阅读说明：本技术 一种基于摩擦压力机的自动锻造系统、锻造工艺 (Automatic forging system and forging process based on friction press ) 是由 任勇 谢立秋 方新 于恒彬 周玮俐 于 2021-07-30 设计创作，主要内容包括：本发明公开了一种基于摩擦压力机的自动锻造系统,沿着原料的输送方向,设备包括依次设置的上料操作台、抓取机器人Y1、摩擦压力机、抓取机器人Y2以及送料装置；本设备的摩擦压力机设置有对模具喷涂脱模剂的脱模剂喷涂机构,实现原料与下模具之间不粘连；设置有将原料与模具及时分离的分托机构,实现原料与上模具之间易脱开。相比于现有技术的摩擦压力机,本系统的摩擦压力机锻压后的毛坯不易粘连在模具上,无需操作人员手工取下,自动化程度更高。本发明还提出了一种应用于上述基于摩擦压力机的自动锻造系统的锻造工艺,可实现自动上料、自动打料以及自动拾料,生产过程连贯性更强,减少了原料在各个环节中的流通时间,大大提高了锻造作业效率。(The invention discloses an automatic forging system based on a friction press, which comprises a feeding operation platform, a grabbing robot Y1, the friction press, a grabbing robot Y2 and a feeding device which are sequentially arranged along the conveying direction of raw materials; the friction press of the equipment is provided with a release agent spraying mechanism for spraying the release agent on the die, so that the raw materials are not adhered to the lower die; the support separating mechanism is arranged for separating the raw material from the die in time, so that the raw material and the upper die are easy to separate. Compared with the friction press in the prior art, the blank after being forged and pressed by the friction press of the system is not easy to adhere to the die, the blank is not required to be manually taken down by an operator, and the automation degree is higher. The invention also provides a forging process applied to the automatic forging system based on the friction press, which can realize automatic feeding, automatic beating and automatic picking, has stronger continuity in the production process, reduces the circulation time of raw materials in each link and greatly improves the forging operation efficiency.)

1. A forging system based on a friction press comprises the friction press, the friction press comprises a rack, a driving motor, two friction disks, a flywheel, a lead screw and a slide block, the two friction disks are respectively arranged on two sides of the upper portion of the rack, the driving motor is arranged on the rack, a power output end of the driving motor is in transmission connection with the friction disks, the flywheel is arranged between the two friction disks, a cross beam is arranged on the upper portion of the rack, a first accommodating cavity is arranged in the rack, the slide block is arranged in the first accommodating cavity, a base is arranged at the bottom of the first accommodating cavity on the rack, the lead screw is vertically arranged on the cross beam of the rack in a penetrating mode, one end of the lead screw is connected with the lower end face of the flywheel, the other end of the lead screw is connected to the slide block, an upper die is arranged on the lower portion of the slide block, and a lower die is arranged on the base, and the forging system is characterized in that the conveying direction of raw materials is along, the forging system comprises a feeding operation platform, a grabbing robot Y1, the friction press, a grabbing robot Y2 and a feeding device which are sequentially arranged;

the feeding operation table comprises an operation table frame, a vibration disc, a guiding and conveying assembly and a heating furnace, wherein the vibration disc is arranged beside the operation table frame and is used for matching with the guiding and conveying assembly to sequence and convey raw materials; the discharge end of the guide assembly and the feed end of the heating furnace are correspondingly arranged to form a conveying channel;

the grabbing robot Y1 drives the raw material on the feeding operation table to be transferred to the lower die to achieve feeding operation, and the grabbing robot Y2 drives the forged and pressed raw material on the lower die to be transferred to the feeding device to achieve picking operation.

2. The friction press based forging system as recited in claim 1, wherein the guide assembly comprises a reach cylinder, a guide bracket, a baffle plate, and a obliquely arranged feed box, the reach cylinder being provided at a front side of the heating furnace, a piston end of the reach cylinder being arranged toward the heating furnace, the guide bracket being provided between the reach cylinder and the heating furnace;

the feeding box is arranged on one side of the guide support and is perpendicular to the guide support, the higher end of the feeding box is in butt joint with the discharging rail of the vibration plate, the other end of the feeding box is in butt joint with the guide support, and the baffle is arranged on the other side of the guide support and is arranged corresponding to the other end of the feeding box.

3. The friction press based forging system as recited in claim 1, wherein the heating furnace is an intermediate frequency furnace, two intermediate frequency furnaces are sequentially arranged in sequence, temperature sensors are provided in both of the intermediate frequency furnaces, and a temperature display is provided on the operation table frame at a side of the heating furnace, the temperature display being electrically connected to the temperature sensors for monitoring the temperature in the intermediate frequency furnaces.

4. The friction press based forging system of claim 1, wherein the feeding device is a belt conveyor or a conveying trolley.

5. The friction press based forging system of claim 1, wherein the friction press further comprises a release agent spraying mechanism, the release agent spraying mechanism comprises a spray gun seat, a stop part, a first spring and a spray gun, and the spray gun seat is arranged at the rear part of the frame and is arranged at the side of the first accommodating cavity;

the spray gun comprises a spray gun head and a spray gun body, wherein the spray gun head is arranged at one end of the spray gun body, the other end of the spray gun body is bent to form a bent part, the outer end part of the bent part is rotatably connected with a spray gun seat through a shaft pin, a first spring fixing buckle is arranged on one side, located on the spray gun seat, of the rack, a second spring fixing buckle is arranged on the bent part, two ends of a first spring are respectively connected with the first spring fixing buckle and the second spring fixing buckle, and when the first spring is not deformed and is located at the original length, the spray gun head is located above the lower die so as to spray a release agent on the lower die;

the stopping part is arranged at the rear part of the sliding block and corresponds to the bent part, and when the sliding block moves downwards, the stopping part pushes the bent part to move backwards.

6. The friction press based forging system of claim 5, wherein the stopper is a tilted iron, the tilted iron comprises a first support plate and a second support plate in a right trapezoid shape, one end of the first support plate is vertically connected with the lower bottom end of the second support plate, the first support plate is connected with the slide block, the tilted iron is vertically arranged, and the short waist end face of the second support plate is arranged upward.

7. The friction press-based forging system of claim 1, wherein the friction press is further provided with a support separating mechanism, and the support separating mechanism comprises a support rod, a material ejecting stop block, a second spring, a cushion block, a support seat, a cam rod, an L-shaped fixing rod, a limiting rod, a stop rod and a third spring which are vertically arranged;

the upper end of the supporting rod is provided with a connecting plate, the supporting rod is connected to the cross beam through the connecting plate, the center of the lower end part of the supporting rod is provided with a groove, the plane of the groove bottom and the lower end face of the support rod form an included angle with a set angle, the height of the groove opening of one side of the groove facing the rack is lower than that of the groove opening of one side of the groove departing from the rack, two side walls of the groove are respectively and correspondingly provided with a first rotating shaft hole, two sides of one end of the material ejecting baffle block are respectively provided with a rotating shaft, the material ejecting stop block is matched with the first rotating shaft hole through the rotating shaft to realize the rotation of the material ejecting stop block on the supporting rod, a third spring fixing buckle is also arranged on the material ejecting baffle block, a fourth spring fixing buckle is arranged at the position, positioned at the upper part of the groove, on the supporting rod, two ends of the second spring are respectively connected with the third spring fixing buckle and the fourth spring fixing buckle;

the two cushion blocks are arranged in parallel and are arranged between the sliding block and the upper die, a second accommodating cavity is formed between the two cushion blocks, the cam rod is arranged in the second accommodating cavity, the two supporting seats are provided with two second rotating shaft holes, two ends of the cam rod are respectively matched with the second rotating shaft holes on the two supporting seats, the bottoms of the two supporting seats are fixed on the sliding block, the L-shaped fixing rod comprises a first fixing rod and a second fixing rod which are perpendicular to each other, one end of the first fixing rod is connected with one end of the second fixing rod, one end of the first fixing rod is provided with a third rotating shaft hole, the first fixing rod is matched with the end part of the cam rod, facing one side of the supporting rod, through the third rotating shaft hole, the blocking rod is arranged at the other end of the first fixing rod, and the limiting rod is arranged on the second fixing rod, a fifth spring fixing buckle is further arranged on the second fixing rod, a sixth spring buckle is arranged on the sliding block at a position corresponding to the blocking rod, and two ends of the third spring are respectively connected with the fifth spring buckle and the sixth spring buckle;

and a through groove penetrating through the upper end surface and the lower end surface of the upper die is arranged at the position, corresponding to the cam of the cam rod, on the upper die, and an ejector rod boss is arranged in the through groove.

8. The friction press based forging system of claim 2, wherein the guide support comprises a first bearing seat, a second bearing seat, a first cross bar and a second cross bar, wherein each of the two bearing seats comprises a vertical bar and a U-shaped seat, the outer side surface of the arc-shaped end of the U-shaped seat is connected with one end of the vertical bar, one end of the first cross bar is connected with one side wall of the U-shaped seat of the first bearing seat, and the other end of the first cross bar is connected with one side wall of the U-shaped seat of the second bearing seat; one end of the second cross rod is connected with the other side wall of the first bearing seat U-shaped seat, and the other end of the second cross rod is connected with the other side wall of the second bearing seat U-shaped seat; the two cross bars jointly form a guide track on the two bearing seats.

9. A forging process applied to the friction press based forging system of any one of claims 1 to 8, wherein the forging process comprises the steps of:

s1, placing the raw materials in a vibration disc, and orderly conveying the raw materials to a guide assembly under the action of the vibration disc;

the guide assembly further conveys the raw materials with the preset required quantity to the heating furnace;

the temperature sensor detects the temperature of the heating furnace;

the heated raw materials are transferred to a lower die by a grabbing robot Y1;

s2, starting a friction press forging device, and forging the raw material between the upper die and the lower die by the slide block;

and S3, transferring the forged raw material to a feeding device by the grabbing robot Y2.

10. The forging process as recited in claim 9, wherein a heating temperature in the heating furnace is 420 to 440 ℃ in step S1.

Technical Field

The invention relates to the technical field of forging production equipment, in particular to an automatic forging system and a forging process based on a friction press.

Background

The friction press is a screw press adopting a friction driving mode, also called a double-disc friction press, and works by utilizing the contact transmission of a flywheel and a friction disc and by means of the relative motion principle of a screw rod and a nut. The die forging and upsetting device has the advantages of high universality, simplicity in equipment installation and operation, low cost and the like in production and use, and is widely applied to die forging, upsetting, bending, correcting, coining and other operations in the machining industry.

When the friction press in the prior art forges a metal piece, because the forging pressure is higher, the temperature of the blank is high, the forged blank is very easy to adhere to a die and needs to be manually taken down by an operator, and time and labor are wasted; in addition, most of the feeding equipment, the knockout equipment and the picking equipment used in the existing forging process are arranged in a scattered manner in a workshop, and the continuity of the production process from feeding, knockout to picking is not strong, so that the circulation time of raw materials in each link is too long, and the forging operation efficiency is severely restricted.

Disclosure of Invention

The invention aims to overcome the defects in the prior art and provides an automatic forging system based on a friction press, along the conveying direction of raw materials, the equipment comprises a feeding operation platform, a grabbing robot Y1, the friction press, a grabbing robot Y2 and a feeding device which are sequentially arranged; the friction press of the equipment is provided with a release agent spraying mechanism for spraying the release agent on the die, so that the raw materials are not adhered to the lower die; the support separating mechanism is arranged for separating the raw material from the die in time, so that the raw material and the upper die are easy to separate. Compared with the friction press in the prior art, the blank after the forging and pressing of the friction press of the system is not easy to adhere to the die, the blank is not required to be manually taken down by an operator, the automation degree is higher, and the forging operation quality and the operation efficiency are greatly improved.

The invention also provides a forging process applied to the automatic forging system based on the friction press, which can realize automatic feeding, automatic knockout and automatic material picking, wherein a spray gun is used for automatically spraying the release agent on the die during automatic knockout, the continuity of the production process is stronger, the circulation time of raw materials in each link is reduced, and the forging operation efficiency is greatly improved.

In order to solve the technical problems, the invention provides the following technical scheme:

a forging system based on a friction press comprises the friction press, the friction press comprises a rack, a driving motor, two friction disks, a flywheel, a lead screw and a slide block, the two friction disks are respectively arranged on two sides of the upper portion of the rack, the driving motor is arranged on the rack, a power output end of the driving motor is in transmission connection with the friction disks, the flywheel is arranged between the two friction disks, a cross beam is arranged on the upper portion of the rack, a first accommodating cavity is arranged in the rack, the slide block is arranged in the first accommodating cavity, a base is arranged at the bottom of the first accommodating cavity on the rack, the lead screw is vertically arranged on the cross beam of the rack in a penetrating mode, one end of the lead screw is connected with the lower end face of the flywheel, the other end of the lead screw is connected to the slide block, an upper die is arranged on the lower portion of the slide block, a lower die is arranged on the base, and the lower die is arranged along the conveying direction of raw materials, the forging system comprises a feeding operation platform, a grabbing robot Y1, the friction press, a grabbing robot Y2 and a feeding device which are sequentially arranged;

the feeding operation table comprises an operation table frame, a vibration disc, a guiding and conveying assembly and a heating furnace, wherein the vibration disc is arranged beside the operation table frame and is used for matching with the guiding and conveying assembly to sequence and convey raw materials; the discharge end of the guide assembly and the feed end of the heating furnace are correspondingly arranged to form a conveying channel;

the grabbing robot Y1 drives the raw material on the feeding operation table to be transferred to the lower die to achieve feeding operation, and the grabbing robot Y2 drives the forged and pressed raw material on the lower die to be transferred to the feeding device to achieve picking operation.

The guide conveying assembly comprises an extension cylinder, a guide support, a baffle and a feeding box which is obliquely arranged, the extension cylinder is arranged on the front side of the heating furnace, the piston end of the extension cylinder is arranged towards the heating furnace, and the guide support is arranged between the extension cylinder and the heating furnace;

the feeding box is arranged on one side of the guide support and is perpendicular to the guide support, the higher end of the feeding box is in butt joint with the discharging rail of the vibration plate, the other end of the feeding box is in butt joint with the guide support, and the baffle is arranged on the other side of the guide support and is arranged corresponding to the other end of the feeding box.

The heating furnace is an intermediate frequency furnace, the intermediate frequency furnace has two, and two intermediate frequency furnaces are arranged in proper order, all are equipped with temperature sensor in two intermediate frequency furnaces the one side that lies in the heating furnace on the operation rack is equipped with temperature monitor, temperature monitor is connected with temperature sensor electricity for the temperature in the monitoring intermediate frequency furnace.

The feeding device is a belt conveyor or a conveying trolley.

The friction press is also provided with a release agent spraying mechanism, the release agent spraying mechanism comprises a spray gun seat, a blocking part, a first spring and a spray gun, and the spray gun seat is arranged at the rear part of the frame and positioned beside the first accommodating cavity;

the spray gun comprises a spray gun head and a spray gun body, wherein the spray gun head is arranged at one end of the spray gun body, the other end of the spray gun body is bent to form a bent part, the outer end part of the bent part is rotatably connected with a spray gun seat through a shaft pin, a first spring fixing buckle is arranged on one side, located on the spray gun seat, of the rack, a second spring fixing buckle is arranged on the bent part, two ends of a first spring are respectively connected with the first spring fixing buckle and the second spring fixing buckle, and when the first spring is not deformed and is located at the original length, the spray gun head is located above the lower die so as to spray a release agent on the lower die;

the stopping part is arranged at the rear part of the sliding block and corresponds to the bent part, and when the sliding block moves downwards, the stopping part pushes the bent part to move backwards.

The stopper is an oblique iron, the oblique iron comprises a first supporting plate and a second supporting plate in a right trapezoid shape, one end of the first supporting plate is vertically connected with the lower bottom end of the second supporting plate, the first supporting plate is connected with the sliding block, the oblique iron is vertically arranged, and the short waist end face of the second supporting plate is arranged upwards.

The friction press is also provided with a support separating mechanism, and the support separating mechanism comprises a support rod, a material ejecting stop block, a second spring, a cushion block, a support seat, a cam rod, an L-shaped fixed rod, a limiting rod, a stop lever and a third spring which are vertically arranged;

the upper end of the supporting rod is provided with a connecting plate, the supporting rod is connected to the cross beam through the connecting plate, the center of the lower end part of the supporting rod is provided with a groove, the plane of the groove bottom and the lower end face of the support rod form an included angle with a set angle, the height of the groove opening of one side of the groove facing the rack is lower than that of the groove opening of one side of the groove departing from the rack, two side walls of the groove are respectively and correspondingly provided with a first rotating shaft hole, two sides of one end of the material ejecting baffle block are respectively provided with a rotating shaft, the material ejecting stop block is matched with the first rotating shaft hole through the rotating shaft to realize the rotation of the material ejecting stop block on the supporting rod, a third spring fixing buckle is also arranged on the material ejecting baffle block, a fourth spring fixing buckle is arranged at the position, positioned at the upper part of the groove, on the supporting rod, two ends of the second spring are respectively connected with the third spring fixing buckle and the fourth spring fixing buckle;

the two cushion blocks are arranged in parallel and are arranged between the sliding block and the upper die, a second accommodating cavity is formed between the two cushion blocks, the cam rod is arranged in the second accommodating cavity, the two supporting seats are provided with two second rotating shaft holes, two ends of the cam rod are respectively matched with the second rotating shaft holes on the two supporting seats, the bottoms of the two supporting seats are fixed on the sliding block, the L-shaped fixing rod comprises a first fixing rod and a second fixing rod which are perpendicular to each other, one end of the first fixing rod is connected with one end of the second fixing rod, one end of the first fixing rod is provided with a third rotating shaft hole, the first fixing rod is matched with the end part of the cam rod, facing one side of the supporting rod, through the third rotating shaft hole, the blocking rod is arranged at the other end of the first fixing rod, and the limiting rod is arranged on the second fixing rod, a fifth spring fixing buckle is further arranged on the second fixing rod, a sixth spring buckle is arranged on the sliding block at a position corresponding to the blocking rod, and two ends of the third spring are respectively connected with the fifth spring buckle and the sixth spring buckle;

and a through groove penetrating through the upper end surface and the lower end surface of the upper die is arranged at the position, corresponding to the cam of the cam rod, on the upper die, and an ejector rod boss is arranged in the through groove.

The guide support comprises a first bearing seat, a second bearing seat, a first cross rod and a second cross rod, the two bearing seats respectively comprise a vertical rod and a U-shaped seat, the outer side surface of the arc-shaped end part of the U-shaped seat is connected with one end of the vertical rod, one end of the first cross rod is connected with one side wall of the U-shaped seat of the first bearing seat, and the other end of the first cross rod is connected with one side wall of the U-shaped seat of the second bearing seat; one end of the second cross rod is connected with the other side wall of the first bearing seat U-shaped seat, and the other end of the second cross rod is connected with the other side wall of the second bearing seat U-shaped seat; the two cross bars jointly form a guide track on the two bearing seats.

A forging process applied to the friction press-based forging system, the forging process comprising the steps of:

s1, placing the raw materials in a vibration disc, and orderly conveying the raw materials to a guide assembly under the action of the vibration disc;

the guide assembly further conveys the raw materials with the preset required quantity to the heating furnace;

the temperature sensor detects the temperature of the heating furnace;

the heated raw materials are transferred to a lower die by a grabbing robot Y1;

s2, starting a friction press forging device, and forging the raw material between the upper die and the lower die by the slide block;

and S3, transferring the forged raw material to a feeding device by the grabbing robot Y2.

In step S1, the heating temperature in the heating furnace is 420 to 440 ℃.

The automatic forging system and the forging process based on the friction press have at least the following beneficial effects:

1, arranging a vibration disc to match with a guide assembly to sequence and convey raw materials; the discharge end of the guide assembly and the feed end of the heating furnace are arranged correspondingly to form a conveying channel, so that the raw materials are conveniently conveyed into the heating furnace under the action of the guide assembly; compared with the forging process in the prior art, the feeding operation platform, the friction press and the feeding device of the system are arranged in a centralized mode in a workshop, the continuity from feeding, beating to picking up is stronger, the circulation time of raw materials in each link is shortened, and the forging operation efficiency is greatly improved.

2, the feeding box is arranged in an inclined mode, so that the raw materials conveyed to the feeding box from the vibration plate can be conveyed to the guide support under the action of gravity, and the raw materials on the guide support are pushed to the heating furnace through the stretching cylinder.

3, the feeding box is arranged to be vertical to the guide support, so that the raw materials in the feeding box slide down in the guide support under the action of gravity; through setting up the baffle, play and prevent that the raw materials landing from excessively dropping the condition in the guide bracket outside, guarantee that the raw materials is normally carried in order.

4, the heating furnace is an intermediate frequency furnace, the number of the intermediate frequency furnaces is two, the two intermediate frequency furnaces are sequentially arranged, and the arrangement of the two intermediate frequency furnaces has important significance, wherein the first intermediate frequency furnace close to the guide support mainly plays a role in heating, raw materials can be heated to 420-440 ℃ by using the intermediate frequency furnaces, the plasticity of the raw materials is better at the temperature, and the deformation resistance is smaller during forging; the second intermediate frequency furnace mainly plays a role in continuously heating and preserving heat, the raw materials can be continuously heated and raised to 20 ℃ in the second intermediate frequency furnace and are preserved in heat, and the heat preservation operation can enable the chemical components and tissues of the raw materials to be more uniform, so that the aim of further improving the plasticity is fulfilled.

5, in the invention, the spray gun is rotationally connected to the spray gun seat, the first spring is arranged to connect the spray gun and the frame, and the slide block is provided with the inclined iron to be matched with the spray gun, so that the inclined iron is driven to move the spray gun when the slide block descends, and the spray gun is moved away from the upper part of the lower die; when the slide block ascends, the spray gun is driven to reset under the action of the first spring, the spray gun moves to the upper part of the lower die, and the release agent is sprayed on the lower die. According to the forging rhythm, when the slide block rises, the spray gun moves to spray a release agent above the lower die so as to ensure that a blank formed after the raw materials are forged is easy to separate from the lower die;

compare in prior art's friction press, this equipment carries out the inkjet through setting up the spray gun to the bed die, effectively avoids the problem of the very easy adhesion of blank on the mould because of the forging and pressing pressure is great, the high temperature of blank leads to, has improved operating quality and operating efficiency greatly.

According to the invention, the upper die and the raw material are separately supported by the lifting of the sliding block through the support separating mechanism, and when the sliding block lifts after forging and pressing the raw material; the liftout dog resets under the effect of second spring, and it is put on the bracing piece immediately, and shelves pole and liftout dog contact, and along with the rising of slider, shelves pole is pressed down and is pressed the area and move the cam lever and rotate, and then drives the cam pressure and touch on the ejector pin boss, realizes going up mould and raw materials separation. The slide continues to rise and the cam lever returns under the action of the third spring, ready for the next cycle.

7, the equipment realizes that the raw materials are not adhered to the lower die by arranging a release agent spraying mechanism for spraying a release agent on the die; through setting up the branch that separates raw materials and mould in time and holding in the palm the mechanism, realize easily breaking away between raw materials and the last mould. Compare in prior art's friction press, the blank after this equipment forging and pressing is difficult for gluing on the mould, need not the manual taking off of operating personnel, and degree of automation is higher, the forging operation quality and the operating efficiency who improves greatly.

8, the forging process can realize automatic feeding, automatic knockout and automatic material picking, the production process is more consistent, and when the materials are automatically beaten, the mold is automatically sprayed with the release agent by the spray gun, so that the circulation time of raw materials in each link is reduced, and the forging operation efficiency is greatly improved.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this application, illustrate exemplary embodiments of the invention and, together with the description, serve to explain the invention and are not intended to limit the invention. In the drawings:

FIG. 1 is a schematic diagram of an overall structure of an automatic forging system based on a friction press according to an embodiment of the present invention;

FIG. 2 is another schematic diagram of the overall structure of an automatic forging system based on a friction press according to an embodiment of the present invention;

FIG. 3 is another schematic diagram of the overall structure of an automatic forging system based on a friction press according to an embodiment of the present invention;

FIG. 4 is a schematic view of an overall structure of a loading operation table according to an embodiment of the present invention;

FIG. 5 is another overall structure diagram of the loading operation table according to the embodiment of the invention;

FIG. 6 is a schematic view of the placement of the routing assembly on the operating table according to an embodiment of the present invention;

FIG. 7 is a schematic view of the overall structure of a guide bracket according to an embodiment of the present invention;

FIG. 8 is a schematic view of the position relationship between the wedge and the lance when the slide block is located above the first receiving cavity according to the embodiment of the present invention;

FIG. 9 is a schematic diagram illustrating a position relationship between the ejector retainer and the stopper rod when the slider is located above the first receiving cavity according to an embodiment of the present invention;

FIG. 10 is a schematic view showing the positional relationship between the wedge and the lance when the slide block of the embodiment of the present invention is raised;

FIG. 11 is a schematic view showing the position relationship between the ejector retainer and the stopper rod when the slider is lifted according to the embodiment of the present invention;

FIG. 12 is a schematic view showing the position relationship between the wedge and the stopper when the slider is lowered according to the embodiment of the present invention;

FIG. 13 is a schematic view of the position relationship between the ejector retainer and the stop lever when the slider is lowered according to the embodiment of the present invention;

FIG. 14 is a schematic view of the position relationship between the tilting iron and the lance during forging according to the embodiment of the present invention;

FIG. 15 is a schematic view of the position of the ejector stop and the stop rod during forging according to an embodiment of the present invention;

FIG. 16 is a schematic view of the position of the ejector stop relative to the support rod during forging according to an embodiment of the present invention;

FIG. 17 is a schematic view of the cam rod of the embodiment of the present invention in a position in the second receiving cavity;

FIG. 18 is a schematic view showing the positional relationship of the ejector pin boss with respect to the cam rod in the embodiment of the present invention;

FIG. 19 is a schematic view of the overall structure of a support pole according to an embodiment of the present invention;

FIG. 20 is a schematic view of the overall structure of the wedge of the embodiment of the present invention;

FIG. 21 is a schematic view of the position of a spray gun of an embodiment of the present invention on a spray gun seat;

FIG. 22 is a schematic structural view of a jack boss of the present embodiment;

wherein, 10-an operation bench, 11-a vibration disc, 12-a guide component, 121-an extension cylinder, 122-a guide support, 1221-a first cross bar, 1222-a second cross bar, 1223-a vertical bar, 1224-a U-shaped seat, 123-a baffle, 124-a feeding box, 13-a heating furnace, 14-a temperature display, 20-a frame, 201-a cross beam, 202-a first accommodating cavity, 203-a base, 21-a friction disc, 22-a flywheel, 23-a lead screw, 24-a slide block, 25-an upper die, 26-a lower die, 27-a feeding device, 280-a spray gun seat, 281-a stopping part, 2811-a first support plate, 2812-a second support plate, 282-a first spring, 283-a spray gun and 2831-a spray gun head, 2832-spray gun body, 2833-bending part, 2834-second spring fixing buckle, 2835-shaft pin, 29-first spring fixing buckle, 31-supporting rod, 32-ejecting block, 33-second spring, 34-cushion block, 35-supporting seat, 36-cam rod, 37-blocking rod, 38-third spring, 39-groove, 391-first shaft rotating hole, 40-connecting plate, 41-rotating shaft, 42-third spring fixing buckle, 43-fourth spring fixing buckle, 44-second containing cavity, 45-second shaft rotating hole, 46-fifth spring fixing buckle, 47-sixth spring buckle, 48-through groove, 49-top rod boss, 491-top rod, 492-protruding end, 50-first fixing rod, 51-second fixing rod, 52-third rotating shaft hole, 53-limiting rod, Y1 and Y2 are all grabbing robots.

Detailed Description

In order to make those skilled in the art better understand the technical solution of the present invention, the technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and it is obvious that the described embodiment is only a part of the embodiment of the present invention, and not all embodiments.

Referring to fig. 1-6, an automatic forging apparatus for a friction press includes a feeding console, a grabbing robot Y1, a friction press, a grabbing robot Y2, and a feeding device 27, which are sequentially disposed along a conveying direction of a raw material;

the feeding operation platform comprises an operation platform frame 10, a vibration disc 11, a guiding and conveying assembly 12 and a heating furnace 13, wherein the vibration disc 11 is arranged beside the operation platform frame 10 and is used for matching with the guiding and conveying assembly 12 to sequence and convey raw materials; the discharge end of the guide assembly 12 and the feed end of the heating furnace 13 are arranged correspondingly to form a conveying channel;

the friction press comprises a frame 20, a driving motor (not shown), two friction disks 21, a flywheel 22, a lead screw 23 and a slide block 24, wherein the two friction disks 21 are respectively arranged at two sides of the upper part of the frame 20, the driving motor is arranged on the frame, a power output end of the driving motor is in transmission connection with the friction disks to drive the friction disks to rotate, the flywheel 22 is arranged between the two friction disks 21, the peripheral side of the outer end of the flywheel 22 is in contact with the disk surfaces of the two friction disks 21, a cross beam 201 is arranged at the upper part of the frame 20, a first accommodating cavity 202 is arranged in the frame 20, the slide block 24 is arranged in the first accommodating cavity 202, a base 203 is arranged at the bottom of the first accommodating cavity 202 on the frame 20, the lead screw 23 vertically penetrates through the cross beam 201 of the frame, one end of the lead screw 23 is connected with the lower end surface of the flywheel 22, the other end is connected to the slide block 24, and the slide block 24 can move up and down in the first accommodating cavity 202 under the driving of the lead screw 23, an upper die 25 is arranged at the lower part of the slide block 24, and a lower die 26 is arranged on the base 203;

the frame 20 is further provided with a driving motor (not shown), a power output end of the driving motor is in transmission connection with the friction disc, and the rotation of the friction disc is realized under the driving of the driving motor.

The grabbing robot Y1 drives the raw material on the feeding operation table to be transferred to the lower die 25 to achieve feeding operation, and the grabbing robot Y2 drives the forged and pressed raw material on the lower die to be transferred to the feeding device 27 to achieve material picking operation.

The vibration disc 11 is arranged to be matched with the guide assembly 12 to sequence and convey the raw materials; the discharge end of the guide assembly 12 and the feed end of the heating furnace 13 are arranged correspondingly to form a conveying channel, so that the raw materials are conveniently conveyed into the heating furnace under the action of the guide assembly; compared with the forging process in the prior art, the feeding operation platform, the friction press and the feeding device of the system are arranged in a centralized mode in a workshop, the continuity from feeding, beating to picking up is stronger, the circulation time of raw materials in each link is shortened, and the forging operation efficiency is greatly improved.

The guide assembly 12 comprises a stretching cylinder 121, a guide bracket 122, a baffle plate 123 and a feeding box 124 which is obliquely arranged, wherein the stretching cylinder 121 is arranged at the front side of the heating furnace 13, the piston end of the stretching cylinder 121 is arranged towards the heating furnace 13, and the guide bracket 122 is arranged between the stretching cylinder 121 and the heating furnace 13;

through setting up the pay-off box that the slope was arranged, can make from the vibrations dish transport to the raw materials on the pay-off box under the effect of gravity on the removal of direction support, and then by stretching out the raw materials propelling movement to the heating furnace on the cylinder with the direction support.

Referring to fig. 7, in the present embodiment, the guiding bracket 122 includes a first bearing seat, a second bearing seat, a first cross bar 1221, and a second cross bar 1222, where the two bearing seats include a vertical bar 1223 and a U-shaped seat 1224, the U-shaped seat 1224 includes an arc-shaped end portion and two side walls, the outer side surface of the arc-shaped end portion of the U-shaped seat 1224 is connected to one end of the vertical bar 1223, one end of the first cross bar is connected to one of the side walls of the U-shaped seat of the first bearing seat, and the other end of the first cross bar is connected to one of the side walls of the U-shaped seat of the second bearing seat; one end of the second cross rod is connected with the other side wall of the first bearing seat U-shaped seat, and the other end of the second cross rod is connected with the other side wall of the second bearing seat U-shaped seat; the two cross rods jointly form a guide rail on the two bearing seats, and raw materials conveyed by the system can be material rods matched with the guide rail in size.

The feeding box 124 is arranged at one side of the guide bracket 122 and is vertical to the guide bracket, the higher end of the feeding box 124 is butted with the discharging rail of the vibration plate 11, the other end of the feeding box 124 is butted with the guide bracket 122, the baffle 123 is arranged at the other side of the guide bracket 122 and is corresponding to the other end of the feeding box 124, and the height of the baffle 123 is higher than the highest height of the guide bracket 122. The feeding box is arranged to be vertical to the guide support, so that the raw materials in the feeding box can slide down in the guide support under the action of gravity; through setting up the baffle, play and prevent that the raw materials landing from excessively dropping the condition in the guide bracket outside, guarantee that the raw materials is normally carried in order.

The heating furnace 13 is an intermediate frequency furnace, the number of the intermediate frequency furnaces is two, the two intermediate frequency furnaces are sequentially arranged in sequence, temperature sensors (not shown) are arranged in the two intermediate frequency furnaces, a temperature display 14 is arranged on one side, located on the heating furnace, of the operation rack, and the temperature display 14 is electrically connected with the temperature sensors and used for monitoring the temperature in the intermediate frequency furnaces.

The arrangement of the two intermediate frequency furnaces has important significance, wherein the first intermediate frequency furnace close to the guide support mainly plays a role in heating, raw materials can be heated to 420-440 ℃ by using the intermediate frequency furnace, the plasticity of the raw materials is better at the temperature, and the deformation resistance is smaller during forging; the second intermediate frequency furnace mainly plays a role in continuously heating and preserving heat, the raw materials can be continuously heated and raised to 20 ℃ in the second intermediate frequency furnace and are preserved in heat, and the heat preservation operation can enable the chemical components and tissues of the raw materials to be more uniform, so that the aim of further improving the plasticity is fulfilled.

The feeding device 27 is a belt conveyor or a conveying trolley.

Referring to fig. 1-3, 14, and 20-21, the friction press is further provided with a release agent spraying mechanism, the release agent spraying mechanism includes a spray gun seat 280, a stop portion 281, a first spring 282, and a spray gun 283, the spray gun seat 280 is disposed at the rear portion of the frame 20 and beside the first accommodating cavity 202;

the spray gun 283 comprises a spray gun head 2831 and a spray gun body 2832, the spray gun head 2831 is arranged at one end of the spray gun body 2832, the other end of the spray gun body 2831 is bent to form a bent part 2833, the outer end part of the bent part 2833 is rotatably connected with the spray gun seat 280 through a shaft pin 2835, a first spring fixing buckle 29 is arranged at one side of the spray gun seat 280 on the frame 20, a second spring fixing buckle 2834 is arranged on the bent part 2833, two ends of the first spring 282 are respectively connected with the first spring fixing buckle 29 and the second spring fixing buckle 2834, and when the first spring 282 is not deformed to be in the original length, the spray gun head 2831 is positioned above the lower die 26 so as to spray a release agent on the lower die;

the stopper 281 is provided at a rear portion of the slider at a position corresponding to the bent portion, and when the slider 24 moves downward, the stopper 281 pushes the bent portion 2833 to move rearward.

The stopper is an oblique iron, the oblique iron comprises a first supporting plate 2811 and a second supporting plate 2812 in a right trapezoid shape, one end of the first supporting plate 2811 is vertically connected with the lower bottom end of the second supporting plate 2812, the first supporting plate 2811 is connected with the slider 24, the oblique iron is vertically arranged, and the end face of the short waist edge of the second supporting plate is arranged upwards.

The spraying principle of the spray gun used in the embodiment is the prior art in the field, for example, the spray gun can be communicated with an external spray liquid trigger mechanism through a liquid inlet pipe, the main body of the spray liquid trigger mechanism mainly comprises a liquid storage tank and a suction pump, a release agent is stored in the liquid storage tank, the liquid inlet pipe connects a liquid outlet of the suction pump with the spray gun, and the suction pump is started timely to spray the release agent onto a lower die through the spray gun according to the forging rhythm in the forging operation. Although the spraying principle is the prior art, the device has important significance in being applied to the device, and the automatic spraying of the release agent on the lower die is realized by matching with the up-and-down movement of the sliding block.

The spray gun is rotatably connected to the spray gun seat, the first spring is arranged to connect the spray gun and the rack, and the slide block is provided with the inclined iron to be matched with the spray gun, so that the inclined iron is driven to move the spray gun when the slide block descends, and the spray gun is moved away from the upper part of the lower die; when the slide block ascends, the spray gun is driven to reset under the action of the first spring, the spray gun moves to the upper part of the lower die, and the release agent is sprayed on the lower die. According to the forging rhythm, when the slide block ascends, the spray gun moves to spray a release agent above the lower die so as to ensure that a blank formed after the raw materials are forged is easy to separate from the lower die.

Compare in prior art's friction press, the friction press of this system carries out the inkjet through setting up the spray gun to the bed die, effectively avoids the problem on the mould of very easily adhesion of blank that leads to because of forging and pressing pressure is great, the temperature of blank is high, has improved operating quality and operating efficiency greatly.

Referring to fig. 1-3, fig. 16-19, the friction press is further provided with a support separating mechanism, which includes a support rod 31, a material ejecting stop 32, a second spring 33, a cushion block 34, a support seat 35, a cam rod 36, an L-shaped fixing rod, a limit rod 53, a stop rod 37 and a third spring 38, which are vertically arranged;

the upper end of the supporting rod 31 is provided with a connecting plate 40, the supporting rod 31 is connected to the cross beam 201 through the connecting plate 40, the center of the lower end part of the supporting rod 31 is provided with a groove 39, a plane where the groove bottom of the groove 39 is located and the lower end surface of the supporting rod 31 form an included angle of a set angle, the included angle can be 30 degrees or 45 degrees in the embodiment, namely, the plane where the groove bottom of the groove 39 is located is an inclined plane, the height of the groove opening on one side of the groove facing the rack is lower than that of the groove opening on one side of the groove facing away from the rack, two side walls of the groove are respectively and correspondingly provided with a first rotating shaft hole 391, two sides of one end of the ejecting block 32 are provided with rotating shafts 41, the ejecting block 32 is matched with the first rotating shaft holes 391 through the rotating shafts 41, the rotating of the ejecting block 32 on the supporting rod 31 is realized, when the ejecting block 32 rotates to the groove opening on one side of the rack facing the direction, the ejecting block is in an extending state, the material ejecting stop block protrudes out of the surface of the support rod, and is arranged at a certain included angle with the support rod, and the included angle can be 90 degrees.

A third spring fixing buckle 42 is further arranged on the ejecting stop block 32, a fourth spring fixing buckle 43 is arranged at the position, located at the upper part of the groove 39, on the supporting rod 31, and two ends of the second spring 33 are respectively connected with the third spring fixing buckle 42 and the fourth spring fixing buckle 43;

two cushion blocks 34 are arranged in parallel and are arranged between the sliding block 24 and the upper die 25, a second accommodating cavity 44 is formed between the two cushion blocks 34, the cam rod 36 is arranged in the second accommodating cavity 44, two supporting seats 35 are arranged, second rotating shaft holes 45 are formed in the two supporting seats 35, two ends of the cam rod 36 are respectively matched with the second rotating shaft holes 45 in the two supporting seats, the bottoms of the two supporting seats are fixed on the sliding block 24,

the L-shaped fixing rod comprises a first fixing rod 50 and a second fixing rod 51 which are perpendicular to each other, one end of the first fixing rod 50 is connected with one end of the second fixing rod 51, one end of the first fixing rod 50 is provided with a third rotating shaft hole 52, the first fixing rod 50 is matched with the end part of the cam rod facing to the direction of the supporting rod through the third rotating shaft hole 52, a stop lever 37 is arranged at the other end of the first fixing rod 50, a limiting lever 53 is arranged on the second fixing rod 51, a fifth spring fixing buckle 46 is further arranged on the second fixing rod 51,

a sixth spring fastener 47 is arranged on the slide block 24 at a position corresponding to the stop lever, and two ends of the third spring 38 are respectively connected with the fifth spring fastener 46 and the sixth spring fastener 47;

the limiting rod is used for limiting and supporting the L-shaped fixing rod, and the L-shaped fixing rod is supported at the lower part of the sliding block.

A through groove 48 penetrating the upper and lower end faces of the upper die is provided in the upper die 25 at a position corresponding to the cam of the cam lever 36, and a lift pin boss 49 is provided in the through groove 48. Referring to fig. 22, the structure of the ejector pin boss in the present embodiment may be as follows: the lower part of the ejector rod boss 49 is an ejector rod 491, the upper end is provided with a convex end 492, the diameter of the convex end is larger than that of the ejector rod, the ejector rod can be embedded in the through groove, and the diameter of the convex end is larger than the size of the opening of the through groove. The length of ejector pin is longer than the thickness of last mould, when the ejector pin inlays to be put in last mould and the lower part of last mould does not place the raw materials promptly, the lower part protrusion in the lower terminal surface of last mould of ejector pin, when the lower part of last mould placed the raw materials, the lower part of ejector pin is by the raw materials top into running through the groove in, the upper portion protrusion in the upper end that runs through the groove of ejector pin, if the cam pressure contacts on protruding end, can be ejecting from running through the groove the lower part of ejector pin, and then realize going up the separation between mould and the raw materials. In this embodiment, the dimensional relationship between the protruding end and the ejector pin, and the dimensional relationship between the length of the ejector pin and the thickness of the upper mold include, but are not limited to, the following: the diameter d1 of the protruding end is larger than the opening size d3 of the through groove and larger than the diameter d2 of the ejector rod, the length difference between the diameter d1 of the protruding end and the opening size d3 of the through groove can be 0.1-0.5 cm, the length difference between the opening size d3 of the through groove and the diameter d2 of the ejector rod can be 0.1 cm, the length d4 of the ejector rod is larger than the thickness d5 of the upper die, the size difference between the length d4 of the ejector rod and the thickness d5 of the upper die can be 1 cm, and other optional length ranges can be regarded as equivalent replacements of the embodiment.

Referring to fig. 8 to fig. 15, by providing the support separating mechanism, the upper mold and the raw material are separated and supported by the rising of the slide block, and the working process is as follows:

when the slide block rises after forging and pressing the raw material; the liftout dog resets under the effect of second spring, and it is put on the bracing piece immediately, and shelves pole and liftout dog contact, and along with the rising of slider, shelves pole is pressed down and is pressed the area and move the cam lever and rotate, and then drives the cam pressure and touch on the ejector pin boss, realizes going up mould and raw materials separation. The slide continues to rise and the cam lever returns under the action of the third spring, ready for the next cycle.

When the system is used, when the sliding block is positioned at the upper part of the first accommodating cavity, the spray gun extends above the lower die under the action of the first spring, and the graphite lubricant is sprayed on the lower die;

when the upper die is used for placing raw materials, the sliding block moves downwards, the inclined iron is in contact with the spray gun, and the spray gun is moved away from the lower die; the stop lever is contacted with the ejection stop block, the ejection stop block rotates to enable the stop lever to pass through, and the sliding block continues to move downwards to forge and press the raw materials;

when the sliding block moves upwards after forging and pressing are finished, the inclined iron is separated from the spray gun, and the spray gun extends above the lower die again under the action of the first spring; the gear rod is contacted with the ejection stop block, and under the jacking of the ejection stop block, the gear rod rotates to drive the L-shaped fixed rod to rotate, so that the cam rod is driven to rotate, the cam on the cam rod is pressed on the boss of the ejector rod, and the separation of the upper die and the raw material is realized.

The system realizes that the raw materials are not adhered to the lower die by arranging the release agent spraying mechanism for spraying the release agent on the die; through setting up the branch that separates raw materials and mould in time and holding in the palm the mechanism, realize easily breaking away between raw materials and the last mould. Compared with the friction press in the prior art, the blank after forging and pressing of the system is not easy to adhere to the die, the blank is not required to be manually taken down by an operator, the automation degree is higher, and the forging operation quality and the operation efficiency are greatly improved.

A forging process is applied to the forging system based on the friction press, and comprises the following steps:

s1, placing the raw materials in the vibration disc 11, and orderly delivering the raw materials to the guide assembly 12 under the action of the vibration disc 11;

the guide assembly 12 further conveys the raw materials with the preset required quantity to the heating furnace 13; the heating temperature in the heating furnace 13 is 420-440 ℃;

the temperature sensor detects the temperature of the heating furnace;

the heated raw material is transferred to the lower die 26 by a grabbing robot Y1;

s2, starting the friction press forging device, and forging the raw material between the upper die and the lower die by the slide block 24;

and S3, the forged raw material is transferred to the feeding device 27 by the grabbing robot Y2.

By adopting the forging process, automatic feeding, automatic knockout and automatic material picking can be realized, the continuity of the production process is stronger, the circulation time of raw materials in each link is reduced, and the forging operation efficiency is greatly improved.

In the description of the present invention, the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "vertical", "horizontal", and the like indicate orientations or positional relationships based on those shown in the drawings, and are only for the purpose of describing the present invention but do not require that the present invention must be constructed or operated in a specific orientation, and thus, should not be construed as limiting the present invention. The terms "connected" and "connected" in the present invention should be interpreted broadly, and may be connected or disconnected, for example; the terms may be directly connected or indirectly connected through intermediate components, and specific meanings of the terms may be understood as specific conditions by those skilled in the art.

The above description is of the preferred embodiment of the present invention, and the description of the specific embodiment is only for better understanding of the idea of the present invention. It will be appreciated by those skilled in the art that various modifications and equivalents may be made in accordance with the principles of the invention and are considered to be within the scope of the invention.