阅读说明：本技术 一种机械零部件的数控加工机床 (Numerical control machine tool for mechanical parts ) 是由 熊旭斌 于 2019-11-12 设计创作，主要内容包括：本发明提供一种机械零部件的数控加工机床,包括用于支撑机床设备的机床支架、用于控制设备的数控控制器、用于制成板材和承受冲压力量的活动吸附支撑机构、用于减弱板材两侧反弹力的阻尼消弹机构、电动推杆、弧形挤压板和弧形凹模,所述机床支架包括顶部支撑块、底部支撑块和侧板,涉及机械加工领域。该机械零部件的数控加工机床针对现有的数控弯板机存在的板材位置控制问题,设计相辅相成的特殊机构,彻底取代刚性的限位结构和冲压模具,从而有效的解决了一般的板材折弯机不适宜精准加工,而数控板材折弯机在加工的时候限位装置不固定板材,板材受理点容易轻微偏差,且限位装置承受反弹冲击力,精度容易下降的问题。(The invention provides a numerical control machine tool for mechanical parts, which comprises a machine tool support for supporting machine tool equipment, a numerical control controller for controlling the equipment, a movable adsorption supporting mechanism for manufacturing a plate and bearing stamping force, a damping and bounce eliminating mechanism for weakening bounce forces on two sides of the plate, an electric push rod, an arc-shaped extrusion plate and an arc-shaped female die, wherein the machine tool support comprises a top supporting block, a bottom supporting block and a side plate, and relates to the field of machining. This numerical control machine tool of machine part is to the panel position control problem that current numerical control plate bender exists, the special mechanism that the design complements each other, thoroughly replace rigid limit structure and stamping die to effectual general panel bender of having solved is unsuitable accurate processing, and numerical control panel bender is the unfixed panel of stop device in the processing, the easy slight deviation of panel acceptance point, and stop device bears the bounce-back impact force, the easy problem that descends of precision.)

1. The utility model provides a machine parts's numerical control machine tool which characterized in that: the machine tool support comprises a machine tool support (1) for supporting machine tool equipment, a numerical control controller (2) for controlling the equipment, a movable adsorption supporting mechanism (3) for manufacturing a plate and bearing stamping force, a damping bullet eliminating mechanism (4) for weakening bounce forces on two sides of the plate, an electric push rod (5), an arc-shaped extrusion plate (6) and an arc-shaped female die (7), wherein the machine tool support (1) comprises a top supporting block (11), a bottom supporting block (12) and a side plate (13), the numerical control controller (2) is fixedly arranged on the surface of the side plate (13), the arc-shaped female die (7) is fixedly connected to the surface of the bottom supporting block (12), the movable adsorption supporting mechanism (3) is arranged on the machine tool support (1), the damping bullet eliminating mechanism (4) is arranged on the machine tool support (1), and the electric push rod (5) is fixedly arranged on the top supporting block (11), the input end of the electric push rod (5) is in signal connection with the output end of the numerical control controller (2) through a signal cable, and a data board surface (8) and an operation button (9) are arranged on the numerical control controller (2).

2. The numerical control machine tool for machining parts according to claim 1, characterized in that: the movable adsorption supporting mechanism (3) comprises a movable adsorption film (31), a plurality of negative adsorption holes (32) on the surface of the plate, an exhaust duct (33), an air outlet hole (34), a through hole (35) and a sealing plate (36), the material of the movable adsorption film (31) comprises rubber, the bottom of the movable adsorption film (31) is arc-shaped, the lower surface of the movable adsorption film (31) is fixedly connected with the inner wall of an arc-shaped female die (7), the upper surface of the movable adsorption film (31) is horizontal when the movable adsorption film is not deformed, and the movable adsorption film (31) is formed by fixedly connecting a plurality of rubber rings.

3. The numerical control machine tool for machining parts according to claim 2, characterized in that: the utility model discloses a portable vacuum adsorption device, including bottom supporting shoe (12), face burden inhale hole (32), set up on the surface of activity adsorption film (31), face burden inhale hole (32) sets up in activity adsorption film (31) middle part position, exhaust groove (33) have been seted up to the bottom of activity adsorption film (31), a plurality of through-hole (35) that communicate each other are seted up to the inside of bottom supporting shoe (12), a plurality of venthole (34) have been seted up on bottom supporting shoe (12), exhaust groove (33) are through venthole (34) and through-hole (35) intercommunication, the surface of bottom supporting shoe (12) articulates there are two closing plates (36), the fixed surface of closing plate (36) connects rubber packing pad (37), two closing plate (36) are located the both ends of through-hole (35).

4. The numerical control machine tool for machining mechanical parts as claimed in claim 3, characterized in that: the inside of activity adsorption film (31) is inlayed and is had a plurality of reset spring steel wires (38), each the surface of reset spring steel wire (38) is the same with activity adsorption film (31) side section shape, all is provided with reset spring steel wire (38) in each rubber circle.

5. The numerical control machine tool for machining parts according to claim 4, characterized in that: the damping bullet eliminating mechanism (4) comprises two damping telescopic pipes (41), two damping telescopic rods (42), two transverse pressing bar rods (43), two horizontal rod grooves (44) corresponding to the transverse pressing bar rods (43) one by one, an air control hole (45) and an operation ring (46), wherein the damping telescopic pipes (41) are symmetrically distributed on the lower surface of the top supporting block (11), the damping telescopic rods (42) are respectively connected with the inner walls of the different damping telescopic pipes (41) in a sliding manner, the inner top wall of each damping telescopic pipe (41) is fixedly connected with a resetting elastic belt (47), the surface of each resetting elastic belt (47) is fixedly connected with the surface of each damping telescopic rod (42), and the top of each damping telescopic pipe (41) is provided with a pipe through hole (48).

6. The numerical control machine tool for machining parts according to claim 5, characterized in that: two vertical holes (49) have been seted up on the surface of arc stripper plate (6), two crouch pole groove (44) and set up in the bottom of arc stripper plate (6), two crouch pole groove (44) and use the central line on arc stripper plate (6) surface as the symmetric line and be the symmetric distribution, the surface of damping telescopic link (42) and the inner wall sliding connection who erects hole (49), two violently press a pole (43) respectively with the bottom fixed connection of two damping telescopic links (42), the surface of violently pressing a pole (43) and the inner wall sliding connection who crouches pole groove (44), the inner wall width of crouching pole groove (44) is the same with the width of violently pressing a pole (43).

7. The numerical control machine tool for machining parts according to claim 6, characterized in that: one end of the air control hole (45) is communicated with the inside of the damping telescopic pipe (41) through a pipe through hole (48), the operation ring (46) is connected with the top supporting block (11) in a sliding mode, a sealing rubber ring is sleeved on the surface of the operation ring (46), a large air through hole (410) is formed in the surface of the operation ring (46), the diameter of the large air through hole (410) is the same as that of the air control hole (45), a small damping hole (411) is formed in the surface of the operation ring (46), the surface of the operation ring (46) is fixedly connected with an operation cross rod (412), and the large air through hole (410) and the small damping hole (411) are symmetrically distributed on two sides of the cross rod.

Technical Field

The invention relates to the technical field of machining, in particular to a numerical control machining tool for mechanical parts.

Background

At present, some metal plates are often required to be bent in the machining process of mechanical parts, and a plate bending machine is required to be used. The bender commonly used has the chain form machinery of bending, mainly set up the bend in transmission course, can be bent by the curved transmission chain of both sides by force when panel passes through, this kind of bender is bent the ability reinforce in succession, but be difficult to the in-process panel that stabilizes of bending, panel relies on the frictional force limit panel of transmission chain completely, cause panel wearing and tearing and panel to slide easily, it is not accurate finally to cause panel to bend, it is not very high panel processing often to require in the machining precision, and the production speed is fast.

In addition, the bending machine for the plate is also provided with three superposed roller shafts which are driven by gears and are in a three-legged shape, the plate is bent through the adjusted gap, the plate needs to be pushed manually, the bending strength is low, the bending machine is suitable for bending light and thin plates, and the precision is not very high.

Still have a bender the same with numerical control bender again, through the punching press panel of numerical control lathe control, panel need use stop device to carry on spacingly on the lathe, stop device can not restrict the bending tensile that the panel bent the production simultaneously, at present mainly suppress through the guide pulley, panel receives the restriction of guide pulley but can not fix when bending, both sides guide pulley area of contact is little, panel extrusion point receives the condition that panel self both sides gravity inequality leads to the position deviation easily in the impact process, consider panel resilience, need the excessive punching press of certain degree, panel after the punching press can break away from pressure in the twinkling of an eye and produce the resilience of certain degree, the panel impact guide pulley of resilience, in the long-term, fixing device bears the impact force and leads to the stop device precision to produce the deviation easily.

In summary, a general plate bending machine is not suitable for precise machining, and a limit device of a numerical control plate bending machine does not fix a plate during machining, so that a plate receiving point is easy to slightly deviate, and the limit device bears rebound impact force, so that the precision is easy to decrease.

Disclosure of Invention

Technical problem to be solved

Aiming at the defects of the prior art, the invention provides a numerical control machine tool for mechanical parts, which solves the problems that a common plate bending machine is not suitable for accurate machining, a limiting device is not fixed on a plate during machining of the numerical control plate bending machine, a plate acceptance point is easy to slightly deviate, the limiting device bears rebound impact force, and the precision is easy to reduce.

(II) technical scheme

In order to achieve the purpose, the invention is realized by the following technical scheme: a numerical control machine tool for mechanical parts comprises a machine tool support for supporting machine tool equipment, a numerical control controller for controlling the equipment, a movable adsorption supporting mechanism for manufacturing plates and bearing stamping force, a damping bullet eliminating mechanism for weakening the rebounding force on two sides of the plates, an electric push rod, an arc extrusion plate and an arc female die, wherein the machine tool support comprises a top supporting block, a bottom supporting block and a side plate, the numerical control controller is fixedly installed on the surface of the side plate, the arc female die is fixedly connected to the surface of the bottom supporting block, the movable adsorption supporting mechanism is arranged on the machine tool support, the damping bullet eliminating mechanism is arranged on the machine tool support, the electric push rod is fixedly installed on the top supporting block, the input end of the electric push rod is in signal connection with the output end of the numerical control controller through a signal cable, and the numerical control controller is provided with a data plate surface and an operation button, the data board is arranged for displaying control data, and the operation buttons are arranged for controlling the equipment to run through the buttons.

Preferably, the movable adsorption supporting mechanism comprises a movable adsorption film, a plurality of plate surface negative adsorption holes, an exhaust groove, an air outlet hole, a through hole and a sealing plate, the material of the movable adsorption film comprises rubber, the bottom of the movable adsorption film is arc-shaped, the lower surface of the movable adsorption film is fixedly connected with the inner wall of the arc-shaped concave die, the upper surface of the movable adsorption film is horizontal when not deformed, the movable adsorption film is formed by fixedly connecting a plurality of rubber rings, the movable adsorption film is horizontal when not deformed, so that the back of the plate can be completely attached to the movable adsorption film, thereby can in time produce the adsorption affinity, and to the panel of different shapes, the activity adsorbs the membrane and all can laminate by its shape of self-adaptation, sets up the activity and adsorbs the membrane to constitute by a plurality of rubber circles and be convenient for live the limit parcel of panel at the side upset activity adsorption membrane of panel.

Preferably, the plate surface negative suction hole is arranged on the surface of the movable adsorption film, the plate surface negative suction hole is arranged in the middle of the movable adsorption film, the bottom of the movable adsorption film is provided with an exhaust groove, the inside of the bottom supporting block is provided with a plurality of through holes which are mutually communicated, a plurality of air outlet holes are arranged on the bottom supporting block, the air discharge groove is communicated with the through hole through the air outlet holes, the surface of the bottom supporting block is hinged with two sealing plates, the surfaces of the sealing plates are fixedly connected with rubber sealing gaskets, the two sealing plates are positioned at two ends of the through hole, the sealing plates and the sealing rubber gaskets are arranged at two sides of the through hole to prevent gas from entering the through hole, the sealing plates and the sealing rubber gaskets are used for preventing the movable adsorption film from automatically recovering, and convenient manual operation sets up the face negative suction hole and is in order to pass through gaseous negative pressure adsorption plate at the back of panel.

Preferably, the activity adsorbs the inside of membrane and inlays and have a plurality of reset spring steel wires, each the surface and the activity of reset spring steel wire adsorb that the membrane side section shape is the same, all is provided with the reset spring steel wire in each rubber circle, sets up the reset spring steel wire and adsorbs the comprehensive reseing that the membrane can be quick when needs reset in order to make things convenient for the activity.

Preferably, the damping bullet-eliminating mechanism comprises two damping telescopic pipes, two damping telescopic rods, two transverse pressing rods, two horizontal rod grooves corresponding to the transverse pressing rods one by one, a gas control hole and an operation ring, the damping telescopic pipes are symmetrically distributed on the lower surface of the top supporting block, the damping telescopic rods are respectively in sliding connection with the inner walls of the different damping telescopic pipes, the inner top wall of each damping telescopic pipe is fixedly connected with a reset elastic belt, the surface of each reset elastic belt is fixedly connected with the surface of each damping telescopic rod, a pipe through hole is formed in the top of each damping telescopic pipe, the reset elastic belts are arranged to facilitate quick elastic reset through the reset elastic belts when the damping telescopic rods are required to reset, and the pipe through holes are arranged to facilitate gas flow inside the damping telescopic pipes.

Preferably, two vertical holes are formed in the surface of the arc extrusion plate, two horizontal rod grooves are formed in the bottom of the arc extrusion plate, the horizontal rod grooves are symmetrically distributed by taking the central line of the surface of the arc extrusion plate as a symmetrical line, the surface of each damping telescopic rod is in sliding connection with the inner wall of each vertical hole, the horizontal compression rod is fixedly connected with the bottoms of the two damping telescopic rods respectively, the surface of each horizontal compression rod is in sliding connection with the inner wall of each horizontal rod groove, the width of the inner wall of each horizontal rod groove is the same as that of each horizontal compression rod, the horizontal compression rod grooves are formed in order to accommodate the horizontal compression rods, and the horizontal compression rods are prevented from protruding or sinking, so that friction damage to the surface of the plate is avoided.

Preferably, one end of the air control hole is communicated with the inside of the damping telescopic pipe through a pipe part through hole, the operation ring is connected with the surface of the top supporting block in a sliding mode, the sealing rubber ring is sleeved on the surface of the operation ring, the large air through hole is formed in the surface of the operation ring, the diameter of the large air through hole is the same as that of the air control hole, the small damping hole is formed in the surface of the operation ring, the surface of the operation ring is fixedly connected with the operation cross rod, the large air through hole and the small damping hole are symmetrically distributed on two sides of the cross rod, and the operation ring is arranged to control the speed of air circulation inside the air control hole conveniently through the operation ring so as to control the ascending and resetting speed of the damping telescopic rod.

(III) advantageous effects

(1) According to the invention, the movable adsorption supporting mechanism is arranged, a limit structure is not required to be additionally arranged in the plate bending process, the plate is directly placed at the pressed position, stronger and stronger adsorption force can be generated in the extrusion process, and meanwhile, the movable adsorption film made of rubber can deform in the extrusion process to further bound and fix the punched position of the plate.

(2) The damping and bullet-eliminating mechanism is arranged at the same time, on one hand, the damping telescopic pipes and the damping telescopic rods can play a role in limiting the arc-shaped extrusion plates on two sides of the arc-shaped extrusion plates, the torsional force of the arc-shaped extrusion plates on the electric push rod is reduced, meanwhile, the damping telescopic rods descend along with the electric push rod, whether the damping telescopic rods rapidly ascend or not can be controlled, plates can be continuously pressed on two sides of the punched plates, and the rebound effect caused by insufficient adsorption force on two sides of the plates is avoided.

(3) According to the invention, the movable adsorption film is arranged, so that the movable adsorption film can adsorb and wrap the plate to play a limiting role, and has strong elasticity to be self-adaptive to stretching and rebounding of the plate.

(4) Aiming at the problem of plate position control of the conventional numerical control plate bending machine, the invention designs complementary special mechanisms to completely replace a rigid limiting structure and a stamping die, thereby effectively solving the problems that a common plate bending machine is not suitable for accurate processing, a plate is not fixed by a limiting device when the numerical control plate bending machine is used for processing, a plate acceptance point is easy to slightly deviate, the limiting device bears rebound impact force, and the accuracy is easy to reduce.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a sectional view of the structure of the movable adsorption film of the present invention;

FIG. 3 is a lower surface elevation view of an arcuate squeeze plate of the present invention;

fig. 4 is a sectional view of the damping telescopic tube structure of the invention.

The device comprises a machine tool support 1, a top supporting block 11, a bottom supporting block 12, a side plate 13, a numerical control controller 2, a movable adsorption supporting mechanism 3, a movable adsorption film 31, a negative adsorption hole 32 on the surface of the plate, an exhaust groove 33, an exhaust hole 34, a through hole 35, a sealing plate 36, a rubber sealing gasket 37, a return spring steel wire 38, a damping bullet-eliminating mechanism 4, a damping telescopic pipe 41, a damping telescopic rod 42, a transverse pressing bar 43, a horizontal bar groove 44, a gas control hole 45, an operation ring 46, a return elastic band 47, a pipe part through hole 48, a vertical hole 49, a large vent hole 410, a small damping hole 411, an operation transverse bar 412, an electric push rod 5, an arc extrusion plate 6, an arc female die 7, a data plate 8 and an.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

As shown in fig. 1-4, an embodiment of the present invention provides a numerical control machine tool for machining mechanical parts, including a machine tool support 1 for supporting machine tool equipment, a numerical control controller 2 for controlling the equipment, a movable adsorption support mechanism 3 for making a plate and bearing a punching force, a damping bounce-eliminating mechanism 4 for weakening a bounce force on two sides of the plate, an electric push rod 5, an arc-shaped extrusion plate 6 and an arc-shaped concave die 7, wherein the machine tool support 1 includes a top support block 11, a bottom support block 12 and a side plate 13, the numerical control controller 2 is fixedly mounted on a surface of the side plate 13, the arc-shaped concave die 7 is fixedly connected to a surface of the bottom support block 12, the movable adsorption support mechanism 3 is disposed on the machine tool support 1, the damping bounce-eliminating mechanism 4 is disposed on the machine tool support 1, the electric push rod 5 is fixedly mounted on the top support block 11, an input end of the electric push rod 5, the numerical control controller 2 is provided with a data board surface 8 and an operation button 9.

The movable adsorption supporting mechanism 3 comprises a movable adsorption film 31, a plurality of plate surface negative adsorption holes 32, an exhaust groove 33, an air outlet 34, a through hole 35 and a sealing plate 36, the material of the movable adsorption film 31 comprises rubber, the bottom of the movable adsorption film 31 is arc-shaped, the lower surface of the movable adsorption film 31 is fixedly connected with the inner wall of the arc-shaped female die 7, the upper surface of the movable adsorption film 31 is horizontal when not deformed, the movable adsorption film 31 is formed by fixedly connecting a plurality of rubber rings, the plate surface negative adsorption holes 32 are arranged on the surface of the movable adsorption film 31, the plate surface negative adsorption holes 32 are arranged in the middle of the movable adsorption film 31, the bottom of the movable adsorption film 31 is provided with the exhaust groove 33, the inside of the bottom supporting block 12 is provided with a plurality of mutually communicated through holes 35, the bottom supporting block 12 is provided with a plurality of air outlet 34, the exhaust groove 33 is communicated with the through holes 35 through the air outlet 34, the surface of the bottom, the fixed surface of closing plate 36 connects the rubber packing 37, and two closing plates 36 are located the both ends of through-hole 35, and the inside of activity adsorption film 31 is inlayed and is had a plurality of reset spring steel wires 38, and the surface of each reset spring steel wire 38 is the same with the profile modeling shape of activity adsorption film 31 side, all is provided with reset spring steel wire 38 in each rubber circle.

The damping bullet-eliminating mechanism 4 comprises two damping telescopic pipes 41, two damping telescopic rods 42, two transverse pressure bar rods 43, two horizontal rod grooves 44 corresponding to the transverse pressure bar rods 43 one by one, an air control hole 45 and an operation ring 46, wherein the two damping telescopic pipes 41 are symmetrically distributed on the lower surface of the top support block 11, the two damping telescopic rods 42 are respectively connected with the inner walls of different damping telescopic pipes 41 in a sliding manner, the inner top wall of each damping telescopic pipe 41 is fixedly connected with a resetting elastic belt 47, the surface of each resetting elastic belt 47 is fixedly connected with the surface of each damping telescopic rod 42, the top of each damping telescopic pipe 41 is provided with a pipe through hole 48, the surface of each arc-shaped extrusion plate 6 is provided with two vertical holes 49, the two horizontal rod grooves 44 are arranged at the bottom of the arc-shaped extrusion plate 6, the two horizontal rod grooves 44 are symmetrically distributed by taking the center line of the surface of the arc-shaped extrusion plate 6 as a symmetric line, two horizontal pressure bar rods 43 are respectively fixedly connected with the bottoms of two damping telescopic rods 42, the surface of each horizontal pressure bar rod 43 is in sliding connection with the inner wall of a horizontal rod groove 44, the width of the inner wall of the horizontal rod groove 44 is the same as that of the horizontal pressure bar rods 43, one end of each air control hole 45 is communicated with the inside of each damping telescopic pipe 41 through a pipe through hole 48, an operation ring 46 is in sliding connection with the surface of the top supporting block 11, a sealing rubber ring is sleeved on the surface of the operation ring 46, a large air vent 410 is formed in the surface of the operation ring 46, the diameter of the large air vent 410 is the same as that of the air control hole 45, small damping holes 411 are formed in the surface of the operation ring 46, the surface of the operation ring 46 is fixedly connected with an operation cross rod 412, and the large air vent 410 and the small.

When the device is used, a power supply is connected, a plate to be bent is placed on the surface of a horizontal movable adsorption film 31, the plate completely covers a plate surface negative suction hole 32, then an electric push rod 5 is controlled to be started through a numerical control controller 2, the electric push rod 5 pushes an arc extrusion plate 6 downwards, the arc extrusion plate 6 drives a damping telescopic rod 42 and a transverse pressing bar 43 to descend together to contact the plate and bend the plate, the plate extrudes the movable adsorption film 31 to deform when being bent, gas in the movable adsorption film 31 is exhausted through an exhaust groove 33, a through hole 35 and an air outlet 34, the edge of the deformed movable adsorption film 31 protrudes and is rolled to wrap the edge of the plate, after the plate is bent, an operation cross rod 412 rotates an operation ring 46, the air control hole 45 is sealed and blocked through the operation ring 46, then the electric push rod 5 drives the arc extrusion plate 6 to ascend, the damping telescopic rod 42 does not recover, two transverse pressure bar rods 43 extrude two sides of the plate, the bent part of the plate is adsorbed by the negative pressure and the coating of the movable adsorption film 31, when the plate needs to be loosened, only the operation ring 46 needs to be rotated, the large vent hole 410 is in butt joint with the air control hole 45, air flows inside the damping telescopic pipe 41 through the air control hole 45 and the pipe part through hole 48, the reset elastic band 47 quickly drives the damping telescopic rod 42 to reset elastically, meanwhile, the sealing plates 36 on two sides of the bottom supporting block 12 are manually turned open, the air enters the movable adsorption film 31 through the air outlet hole 34, the through hole 35 and the exhaust groove 33, the movable adsorption film 31 resets, the plate is loosened, and therefore the using process of the numerical control machine tool for the whole mechanical part is completed.