阅读说明：本技术 一种双层多浮动粉末热成形液压机 (Double-layer multi-floating powder thermoforming hydraulic machine ) 是由 熊义 马冲 周汉英 于 2021-07-28 设计创作，主要内容包括：本发明公开了一种双层多浮动粉末热成形液压机,主要包括主缸、整体框架机身、滑块、上层浮动工艺梁、上层浮动位移传感器、上层浮动导杆、浮动滑块、下层浮动工艺梁、下层浮动位移传感器、下层浮动导杆、下层浮动缸、上层浮动缸、浮动滑块支架、浮动缸等。本发明针对粉末成形液压机提出了双层压制、同步浮动的结构方案,实现了浮动模具的串联布置,从而成倍提升粉末成形制品的生产效率。(The invention discloses a double-layer multi-floating powder thermoforming hydraulic machine which mainly comprises a main cylinder, an integral frame body, a sliding block, an upper floating process beam, an upper floating displacement sensor, an upper floating guide rod, a floating sliding block, a lower floating process beam, a lower floating displacement sensor, a lower floating guide rod, a lower floating cylinder, an upper floating cylinder, a floating sliding block bracket, a floating cylinder and the like. The invention provides a structural scheme of double-layer pressing and synchronous floating for a powder forming hydraulic press, and realizes the series arrangement of floating dies, thereby exponentially improving the production efficiency of powder forming products.)

1. A double-layer multi-floating powder thermoforming hydraulic machine is characterized in that: the floating type floating frame mainly comprises a main cylinder (1), an integral frame body (2), a sliding block (3), an upper floating process beam (4), an upper floating displacement sensor (401), an upper floating guide rod (5), a floating sliding block (6), a lower floating process beam (7), a lower floating displacement sensor (701), a lower floating guide rod (8), a lower floating cylinder (9), an upper floating cylinder (10), a floating sliding block support (11) and a floating cylinder (12); the integral frame body (2) is a closed frame formed by welding steel plates, and the slide block guide rails are arranged on the left side and the right side of the outer side of an inner hole of the closed frame; the cylinder body of the main cylinder (1) is fixedly arranged in the middle of an upper cross beam of the integral frame body (2) through steps and a lock nut through hole, and a piston rod of the main cylinder (1) is arranged on the upper plane of the sliding block (3); the sliding block (3) is arranged in an inner hole of the integral frame body (2) and completes up-and-down movement under the driving of the main cylinder (1), and the sliding block guide rail has a guiding function on the movement of the sliding block (3); the floating slide block bracket (11) is positioned at the front and rear inner sides of the left and right upright posts of the integral frame body (2) and fixedly arranged at the left and right sides of the floating slide block (6) through bolts; the floating cylinders (12) are positioned at the front and rear inner sides of left and right upright posts of the integral frame body (2), the cylinder bodies of the floating cylinders (12) are fixedly arranged at the left and right sides of a workbench of the integral frame body (2) through steps and lock nut through holes, and piston rods of the floating cylinders (12) are arranged in floating slide block supports (11) at the left and right sides of the floating slide block (6) through the steps and the lock nut through holes; the floating slide block (6) is arranged in an inner hole of the integral frame body (2) and is driven by the floating cylinder (12) to move up and down, and the slide block guide rail has a guiding function on the movement of the floating slide block (6).

2. The hydraulic press for thermoforming of powders with double layers and multiple floats as claimed in claim 1, wherein: an upper layer opening space is formed between the lower plane of the sliding block (3) and the upper plane of the floating sliding block (6); the cylinder bodies of the two upper floating cylinders (10) are fixedly arranged on the front central line and the rear central line of the left side and the right side of the floating sliding block (6) through steps and bolts respectively in a perforation way, and the piston rods of the two upper floating cylinders (10) are arranged on the front central line and the rear central line of the left upper floating process beam and the right upper floating process beam (4) through steps and locknuts respectively in a perforation way; an upper floating guide rod (5) is respectively arranged at the front and rear symmetrical positions of each upper floating cylinder (10), the upper floating guide rods (5) are fixedly arranged on the upper plane of the floating slide block (6) through compression rings, and guide sleeves matched with the upper floating guide rods (5) are arranged at the front and rear corresponding positions of the upper floating process beam (4); the two upper-layer floating displacement sensors (401) are respectively and fixedly arranged on the floating slider supports (11) at the left side and the right side, and the detection ends of the sensors are respectively arranged on the left upper-layer floating process beam and the right upper-layer floating process beam (4); the two upper floating cylinders (10) respectively drive the two upper floating process beams (4) to finish vertical synchronous movement under the control of a hydraulic servo system, and the upper floating guide rod (5) has a guiding function on the movement of the upper floating process beams (4).

3. The hydraulic press for thermoforming of powders with double layers and multiple floats as claimed in claim 1, wherein: a lower layer opening space is formed between the lower plane of the floating slide block (6) and the upper plane of the workbench of the integral frame body (2); the cylinder bodies of the two lower floating cylinders (9) are fixedly arranged on the front central line and the rear central line of the left side and the right side of the workbench of the integral frame body (2) through steps and bolts respectively by punching, and the piston rods of the two lower floating cylinders (9) are arranged on the front central line and the rear central line of the left lower floating process beam and the right lower floating process beam (7) through steps and locknuts respectively by punching; a lower floating guide rod (8) is respectively arranged at the front and back symmetrical positions of each lower floating cylinder (9), the lower floating guide rods (8) are fixedly arranged on the upper plane of the workbench of the integral frame body (2) through compression rings, and guide sleeves matched with the lower floating guide rods (8) are arranged at the front and back corresponding positions of the lower floating process beams (7); two lower-layer floating displacement sensors (701) are respectively and fixedly arranged on the left side and the right side of a workbench of the integral frame body (2), and the detection ends of the sensors are respectively arranged on a left lower-layer floating process beam and a right lower-layer floating process beam (7); the two lower floating cylinders (9) respectively drive the two lower floating process beams (7) to finish vertical synchronous movement under the control of a hydraulic servo system, and the lower floating guide rod (8) has a guiding function on the movement of the lower floating process beams (7).

Technical Field

The invention relates to a powder thermoforming hydraulic machine, in particular to a floating powder thermoforming hydraulic machine, and particularly relates to a double-layer multi-floating powder thermoforming hydraulic machine.

Background

The powder forming process is generally used for manufacturing small-size parts, a powder product needs to be kept warm and pressure for a long time during hot forming, and the production mode of completing one die by one-time pressing through a conventional powder forming hydraulic machine is long in period and low in efficiency. The technical development for improving the production efficiency of the powder forming hydraulic machine on the premise of adapting to the requirements of the complex powder forming process conforms to the development requirement of the current powder forming manufacturing industry.

Disclosure of Invention

The invention aims to provide a technical scheme of a double-layer multi-floating powder thermoforming hydraulic machine, which realizes the series arrangement of floating dies and can exponentially improve the production efficiency of powder forming products on the premise of adapting to the complex process requirements of powder forming.

The technical scheme of the invention is as follows:

the floating frame mainly comprises a main cylinder, an integral frame body, a sliding block, an upper floating process beam, an upper floating displacement sensor, an upper floating guide rod, a floating sliding block, a lower floating process beam, a lower floating displacement sensor, a lower floating guide rod, a lower floating cylinder, an upper floating cylinder, a floating sliding block bracket, a floating cylinder and the like; the integral frame body is a closed frame formed by welding steel plates, and the slide block guide rails are arranged on the left side and the right side of the outer side of an inner hole of the closed frame; the main cylinder body is fixedly arranged in the middle of an upper cross beam of the integral frame body through steps and a lock nut through hole, and a main cylinder piston rod is arranged on the upper plane of the sliding block; the slide block is arranged in an inner hole of the body of the integral frame and is driven by the main cylinder to complete up-and-down movement, and the slide block guide rail has a guiding function on the movement of the slide block; the floating slide block bracket is positioned at the front and rear inner sides of the left and right upright posts of the integral frame body and fixedly arranged at the left and right sides of the floating slide block through bolts; the floating cylinders are positioned at the front and rear inner sides of the left and right stand columns of the integral frame body, the cylinder bodies of the floating cylinders are fixedly arranged at the left and right sides of the workbench of the integral frame body through steps and lock nut through holes, and the piston rods of the floating cylinders are arranged in floating slide block supports at the left and right sides of the floating slide blocks through the steps and the lock nut through holes; the floating slide block is arranged in an inner hole of the machine body of the integral frame and driven by the floating cylinder to move up and down, and the slide block guide rail has a guiding function on the movement of the floating slide block.

Further, the invention relates to a double-layer multi-floating powder thermoforming hydraulic machine, which is characterized in that: an upper layer opening space is formed between the lower plane of the sliding block and the upper plane of the floating sliding block; the cylinder bodies of the two upper floating cylinders are fixedly arranged on the front central line and the rear central line of the left side and the right side of the floating slide block through steps and bolts respectively in a perforation way, and the piston rods of the two upper floating cylinders are arranged on the front central line and the rear central line of the left upper floating process beam and the right upper floating process beam through steps and locking nuts respectively in a perforation way; an upper floating guide rod is respectively arranged at the front and rear symmetrical positions of each upper floating cylinder, the upper floating guide rods are fixedly arranged on the upper plane of the floating slide block through compression rings, and guide sleeves matched with the upper floating guide rods are arranged at the front and rear corresponding positions of the upper floating process beam; the two upper-layer floating displacement sensors are respectively and fixedly arranged on the floating slider supports at the left side and the right side, and the detection ends of the sensors are respectively arranged on the left upper-layer floating process beam and the right upper-layer floating process beam; the two upper floating cylinders respectively drive the two upper floating process beams to finish vertical synchronous movement under the control of a hydraulic servo system, and the upper floating guide rod has a guide effect on the movement of the upper floating process beams.

Further, the invention relates to a double-layer multi-floating powder thermoforming hydraulic machine, which is characterized in that: a lower layer opening space is formed between the lower plane of the floating slide block and the upper plane of the worktable of the integral frame body; the cylinder bodies of the two lower-layer floating cylinders are fixedly arranged on the front central line and the rear central line of the left side and the right side of the worktable of the integral frame body through steps and bolts respectively in a perforation way, and the piston rods of the two lower-layer floating cylinders are arranged on the front central line and the rear central line of the left lower-layer floating process beam and the right lower-layer floating process beam through steps and locking nuts respectively in a perforation way; the front and back symmetrical positions of each lower floating cylinder are respectively provided with a lower floating guide rod, the lower floating guide rods are fixedly arranged on the upper plane of the worktable of the machine body of the integral frame through compression rings, and guide sleeves matched with the lower floating guide rods are arranged at the front and back corresponding positions of the lower floating process beams; the two lower-layer floating displacement sensors are respectively and fixedly arranged on the left side and the right side of the worktable of the machine body of the integral frame, and the detection ends of the sensors are respectively arranged on the left lower-layer floating process beam and the right lower-layer floating process beam; the two lower floating cylinders respectively drive the two lower floating process beams to complete vertical synchronous movement under the control of a hydraulic servo system, and the lower floating guide rod has a guiding effect on the movement of the lower floating process beams.

Compared with the prior art, the invention has the beneficial effects that: the hydraulic machine has the functions of multistage floating and synchronous floating, and can realize double-layer serial floating pressing of powder products, thereby improving the production efficiency of the powder formed products by times.

Drawings

Fig. 1 is a structural front view of the present invention.

Fig. 2 is a side view of the structure of the present invention.

FIG. 3 is a top view of a horizontal cross section of the upper opening space of the present invention.

FIG. 4 is a top view of a horizontal cross section of the lower opening space of the present invention.

FIG. 5 is a schematic view of the assembly of the upper and lower floating process beams according to the present invention.

In fig. 1: 1-main cylinder, 101-main cylinder body step, 102-main cylinder body locknut, 2-integral frame body, 201-upper cross beam, 202-upright post, 203-workbench, 3-slider, 4-upper floating process beam, 402-upper floating process beam step plane, 5-upper floating guide rod, 6-floating slider, 7-lower floating process beam, 701-lower floating displacement sensor, 702-lower floating process beam step plane, 8-lower floating guide rod, 9-lower floating cylinder, 901-lower floating cylinder body step, 902-lower floating cylinder piston rod step, 903-lower floating cylinder piston rod locknut, 10-upper floating cylinder, 1001-upper floating cylinder body step, 1002-upper floating cylinder piston rod step, 1003-upper floating cylinder piston rod locking nut, 11-floating slider bracket, 12-floating cylinder, 1201-floating cylinder body step, 1202-floating cylinder body locking nut, 1203-floating cylinder piston rod step and 1204-floating cylinder piston rod locking nut.

In fig. 2: 1-main cylinder, 2-integral frame body, 201-upper beam, 202-upright post, 203-workbench, 3-slider, 4-upper floating process beam, 401-upper floating displacement sensor, 5-upper floating guide rod, 6-floating slider, 7-lower floating process beam, 8-lower floating guide rod, 10-upper floating cylinder, 11-floating slider bracket, 12-floating cylinder, 1201-floating cylinder body step, 1202-floating cylinder body locking nut, 1203-floating cylinder piston rod step and 1204-floating cylinder piston rod locking nut.

In fig. 3: 202-upright column, 203-workbench, 4-upper floating process beam, 401-upper floating displacement sensor, 402-upper floating process beam step plane, 5-upper floating guide rod, 501-upper floating guide rod guide sleeve, 6-floating slide block, 10-upper floating cylinder, 1003-upper floating cylinder piston rod lock nut, 11-floating slide block bracket, 12-floating cylinder, 1201-floating cylinder body step and 1204-floating cylinder piston rod lock nut.

In fig. 4: 202-upright column, 203-workbench, 7-lower floating process beam, 701-lower floating displacement sensor, 702-lower floating process beam step plane, 8-lower floating guide rod, 801-lower floating guide rod guide sleeve, 9-lower floating cylinder, 903-lower floating cylinder piston rod locking nut, 12-floating cylinder and 1201-floating cylinder body step.

In fig. 5: 202-upright column, 203-workbench, 4-upper floating process beam, 401-upper floating displacement sensor, 5-upper floating guide rod, 501-upper floating guide rod guide sleeve, 502-upper floating guide rod press ring, 6-floating slide block, 7-lower floating process beam, 701-lower floating displacement sensor, 8-lower floating guide rod, 801-lower floating guide rod guide sleeve, 802-lower floating guide rod press ring, 9-lower floating cylinder, 901-lower floating cylinder body step, 902-lower floating cylinder piston rod step, 903-lower floating cylinder piston rod locking nut, 10-upper floating cylinder, 1001-upper floating cylinder body step, 1002-upper floating cylinder piston rod step and 1003-upper floating cylinder piston rod locking nut.

Detailed Description

The invention will be further described with reference to the accompanying drawings.

Referring to fig. 1, 2 and 5, the present invention mainly includes a main cylinder 1, an integral frame body 2, a slider 3, an upper floating process beam 4, an upper floating displacement sensor 401, an upper floating guide rod 5, a floating slider 6, a lower floating process beam 7, a lower floating displacement sensor 701, a lower floating guide rod 8, a lower floating cylinder 9, an upper floating cylinder 10, a floating slider bracket 11, a floating cylinder 12, etc.; the integral frame body 2 is a closed frame formed by welding steel plates, and the slide block guide rails are arranged on the left side and the right side of the outer side of an inner hole of the closed frame; the cylinder body of the main cylinder 1 is fixedly arranged in the middle of an upper cross beam 201 of the integral frame body 2 through a step 101 and a through hole of a lock nut 102, and a piston rod of the main cylinder 1 is arranged on the upper plane of a sliding block 3; the sliding block 3 is arranged in an inner hole of the integral frame body 2 and is driven by the main cylinder 1 to complete up-and-down movement, and the sliding block guide rail has a guiding function on the movement of the sliding block 3; the floating slide block bracket 11 is positioned at the front and rear inner sides of the left and right upright posts 202 of the integral frame body 2 and fixedly arranged at the left and right sides of the floating slide block 6 through bolts; the floating cylinders 12 are positioned at the front and rear inner sides of the left and right upright posts 202 of the integral frame body 2, the cylinder bodies of the floating cylinders 12 are fixedly arranged at the left and right sides of the workbench 203 of the integral frame body 2 through steps 1201 and through holes of the locking nuts 1202, and the piston rods of the floating cylinders 12 are arranged in the floating slider supports 11 at the left and right sides of the floating slider 6 through the steps 1203 and through holes of the locking nuts 1204; the floating slide block 6 is arranged in an inner hole of the integral frame body 2 and is driven by the floating cylinder 12 to complete up-and-down movement, and the slide block guide rail has a guiding function on the movement of the floating slide block 6.

Referring to fig. 1, 3 and 5, an upper layer opening space is formed between the lower plane of the slider 3 and the upper plane of the floating slider 6 according to the present invention; the cylinder bodies of the two upper floating cylinders 10 are fixedly arranged on the front central line and the rear central line of the left side and the right side of the floating slide block 6 through steps 1001 and bolts respectively, and the piston rods of the two upper floating cylinders 10 are arranged on the front central line and the rear central line of the left upper floating process beam 4 and the right upper floating process beam 4 through steps 1002 and locking nuts 1003 respectively; an upper floating guide rod 5 is respectively arranged at the front and rear symmetrical positions of each upper floating cylinder 10, the upper floating guide rods 5 are fixedly arranged on the upper plane of the floating slide block 6 through press rings 502, and guide sleeves 501 matched with the upper floating guide rods 5 are arranged at the front and rear corresponding positions of the upper floating process beam 4; the two upper-layer floating displacement sensors 401 are respectively and fixedly arranged on the floating slider supports 11 on the left side and the right side, and the detection ends of the sensors are respectively arranged on the left upper-layer floating process beam 4 and the right upper-layer floating process beam 4; the two upper floating cylinders 10 respectively drive the two upper floating process beams 4 to complete vertical synchronous movement under the control of a hydraulic servo system, and the upper floating guide rod 5 has a guiding function on the movement of the upper floating process beams 4.

Referring to fig. 1, 4 and 5, a lower layer opening space is formed between the lower plane of the floating slide block 6 and the upper plane of the workbench of the integral frame body 2; the cylinder bodies of the two lower floating cylinders 9 are fixedly arranged on the front central line and the rear central line of the left side and the right side of the workbench 203 of the integral frame body 2 through steps 901 and bolts respectively, and the piston rods of the two lower floating cylinders 9 are arranged on the front central line and the rear central line of the left lower floating technological beam 7 and the right lower floating technological beam 7 through steps 902 and locking nuts 903 respectively; a lower floating guide rod 8 is respectively arranged at the front and back symmetrical positions of each lower floating cylinder 9, the lower floating guide rod 8 is fixedly arranged on the upper plane of the workbench 203 of the integral frame body 2 through a press ring 802, and a guide sleeve 801 matched with the lower floating guide rod 8 is arranged at the front and back corresponding position of the lower floating process beam 7; the two lower-layer floating displacement sensors 701 are respectively and fixedly arranged on the left side and the right side of the workbench 203 of the integral frame body 2, and the detection ends of the sensors are respectively arranged on the left lower-layer floating process beam 7 and the right lower-layer floating process beam 7; the two lower floating cylinders 9 respectively drive the two lower floating process beams 7 to complete vertical synchronous movement under the control of a hydraulic servo system, and the lower floating guide rod 8 has a guiding function on the movement of the lower floating process beams 7.

In the practical application of the invention, a set of dies can be respectively arranged in the upper layer opening space and the lower layer opening space of the hydraulic press, and the two dies can be the same or different. An upper die of an upper layer die is arranged on the lower plane of the sliding block 3, a lower die is arranged on the upper plane of the floating sliding block 6, and a female die is arranged on a step plane 402 of the upper layer floating process beam 4; the upper die of the lower die is arranged on the lower plane of the floating slide block 6, the lower die is arranged on the upper plane of the workbench 203, and the female die is arranged on the step plane 702 of the lower floating technological beam 7. When the hydraulic press works, the sliding block 3 and the floating sliding block 6 move upwards to initial positions under the driving of the main cylinder 1 and the floating cylinder 12 respectively; after the powder is added into the die cavity, the sliding block 3 is driven by the dead weight to quickly descend, and meanwhile, the floating cylinder 12 drives the floating sliding block 6 to quickly descend under the supply of the full flow of the system; when the upper die is about to contact with powder, the sliding block 3 is converted into a working state and driven by the main cylinder 1, meanwhile, the floating cylinder 12 is converted into a passive floating state, the pressing force output by the main cylinder 1 is transmitted to the floating sliding block 6 through the sliding block 3, the upper layer powder and the upper layer die, the floating sliding block 6 is forced to move downwards passively, and the pressing force output by the main cylinder 1 is further acted on the lower layer powder through the floating sliding block 6 and the lower layer die; after the heat preservation and pressure maintaining process is finished, the main cylinder 1 firstly releases the pressure, then the sliding block 3 is lifted to the initial position, then the floating cylinder 12 lifts the floating sliding block 6 to the initial position, the upper floating cylinder 10 and the lower floating cylinder 9 respectively drive the upper floating process beam 4 and the lower floating process beam 7 to move downwards, and the powder forming product is demoulded and taken out; in the whole pressing process, the rising, falling and floating movement of the two upper floating process beams 4 and the two lower floating process beams 7 are kept in left-right synchronization under the control of a hydraulic servo system.