Single-machine multi-station linkage type press machine

Abstract

The invention discloses a single-machine multi-station linkage type press machine which comprises a press machine body, a bearing table is arranged on the press machine body, a plurality of bottom dies are arranged on the bearing table, a lower pressing plate is arranged on the bearing table in a guiding and sliding mode, a plurality of punching heads matched with the bottom dies are arranged on the lower pressing plate, and blowing holes blowing dust upwards are formed in the bottom dies. The bottom die is further provided with a detection piece used for detecting flying dust and a cleaning device. The invention provides a single-machine multi-station linkage type press machine which can conduct punching operation on a multi-station die at the same time, meanwhile, a die cavity and a punching head can be automatically cleaned at the same time, dust and particulate matter generated by metal deformation are removed, and therefore the situation that the die is damaged due to the fact that the particulate matter is accumulated in the continuous punching process is avoided. The production cost is reduced, and the production efficiency is improved.

Description

Technical Field

[0001] The present invention relates to the technical field of presses, in particular to a single-machine multi-station linkage type press. Background Art

[0002] A press (including punching machines and hydraulic presses) is a versatile press with an ingenious structure. It has a wide range of uses and high production efficiency. It can be widely used in cutting, punching, blanking, bending, riveting and forming processes. It processes metal blanks into parts by applying strong pressure to them to cause plastic deformation and fracture.

[0003] In the production process of battery shells, a press is needed to stamp the battery shells. The existing battery shell molding is carried out by a single machine and a single station. This method has low molding efficiency and cannot meet the large-scale production needs of battery shells. Therefore, it is necessary to develop a multi-station linkage press.

[0004] During the battery shell production process, since the battery shell is a product obtained by metal deformation, during stamping, some fine metal particles will break off from the metal bends and fall into the molding cavity. After multiple accumulations, the cavity will be damaged. Summary of the invention

[0005] The existing presses can only perform single-station production and are unable to clean the particles in the mold cavity.

[0006] The present invention aims at the deficiencies in the prior art and provides a single-machine multi-station linkage type press.

[0007] To solve the above technical problems, the present invention is solved through the following technical solutions: a single-machine multi-station linkage type press, including a press, a load-bearing platform is arranged on the press, a plurality of bottom molds are arranged on the load-bearing platform, a lower pressure plate on the load-bearing platform is arranged on a guide slide, a plurality of punching heads adapted to the bottom molds are arranged on the lower pressure plate, a purge hole for blowing dust upwards is arranged on the bottom mold, a detection part for detecting dust is also arranged on the bottom mold, and a cleaning device is provided. The cleaning device includes a cleaning part for cleaning particulate matter in the mold cavity and a moving device for driving the cleaning part to enter the stamping station, the cleaning part is an elastic membrane, the punching head moves downward and presses on the elastic membrane, driving the elastic membrane to enter the mold cavity of the bottom mold, a sticky substance is attached to the surface of the elastic membrane, and the surface of the elastic membrane contacts the mold cavity to adhere the particulate matter to the surface of the elastic membrane.

[0008] The beneficial effect is that the linkage press can perform stamping operations on multi-station molds at the same time, and can automatically clean the dust and particles generated by metal deformation in the mold, thereby avoiding damage to the mold due to accumulation of particles during continuous stamping, thereby reducing production costs and improving production efficiency.

[0009] In the above scheme, preferably, an annular groove is provided on the peripheral wall of the mold cavity of the bottom mold, and the annular groove is connected to a dust suction device to absorb dust in the mold cavity.

[0010] In the above scheme, preferably, the cleaning members are provided in two pieces, and the two cleaning members are provided front and back, one layer is used for sticking and removing particles in the mold cavity, and the other layer is used for sticking and removing particles on the punch head.

[0011] In the above scheme, preferably, the cleaning device also includes a feeding piece and a receiving piece, one end of the cleaning piece is wound on the feeding piece, and the other end is wound on it, and the feeding piece and the receiving piece are respectively located on the left and right sides of the punching head.

[0012] In the above scheme, preferably, the cleaning device also includes a closing piece and an expansion device. The closing piece fits and closes the peripheral walls of the two cleaning pieces located above the mold cavity. The expansion device is used to fill the interlayer of the two closed cleaning pieces with fillers. The cleaning pieces expand and deform, and the upper and lower pieces are respectively tightly attached to the mold cavities of the punch head and the bottom mold.

[0013] In the above scheme, preferably, the lower pressure plate is also provided with a top contact block. After the punch head descends into place, the top contact block touches the main frame, and the closing piece is pressurized to fit and seal the surrounding walls of the two cleaning pieces above the mold cavity to form a sealed interlayer.

[0014] In the above scheme, preferably, the cleaning device also includes a main frame, a punching hole for the punching head to pass through is opened on the main frame, and a channel cavity for the cleaning piece to pass through is opened in the transverse direction of the punching hole, and the closing piece includes an annular pressure ring and a guide resistance rod, and the closing piece is slidably arranged in the channel cavity by the guide resistance rod, and moves upward to press the cleaning piece against the upper wall of the channel cavity, so that the two cleaning pieces within the pressure contact range form a sealed interlayer.

[0015] In the above scheme, preferably, the expansion device includes an inflation nozzle, which is arranged on the guide top touch rod, and the head of the inflation nozzle enters into the middle of the two cleaning pieces from the side. When the closing piece closes the upper and lower cleaning pieces, the front end of the inflation nozzle is located in the sealing interlayer of the two cleaning pieces.

[0016] In the above scheme, preferably, an elastic sealing ring is provided on the annular pressure ring, an elastic sealing ring is provided on the upper wall of the channel cavity, and the two elastic sealing rings are aligned with each other in the upper and lower directions.

[0017] In the above scheme, preferably, a sliding groove is provided on the side of the guide abutment rod, and the inflation nozzle is slidably arranged on the sliding groove up and down.

[0018] The beneficial effects of the present invention are as follows: the present invention provides a single-machine multi-station linkage type press, which can perform stamping operations on multi-station molds at the same time, and can automatically clean the mold cavity and the punching head at the same time, remove dust and particulate matter generated by metal deformation, thereby avoiding damage to the mold due to accumulation of particulate matter during continuous stamping, thereby reducing production costs and improving production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic diagram of the present invention.

[0020] Figure 2 It is a front view of the present invention.

[0021] Figure 3 It is a cross-sectional view of the present invention.

[0022] Figure 4 Schematic diagram of the cleaning device of the present invention Figure 5 It is a cross-sectional view of the cleaning device of the present invention.

[0023] Figure 6 It is a schematic diagram of a closure member of the present invention.

[0024] Figure 7 This is a partial enlarged view of the sealing member of the present invention located in the channel cavity. DETAILED DESCRIPTION

[0025] The present invention is further described in detail below in conjunction with the accompanying drawings and specific embodiments: Example 1

[0026] See also Figure 1-Figure 7 , The single-machine multi-station linkage type press includes a press 1, which includes a support platform 11 for fixing the mold and a lower pressing plate 12 for fixing the mold punch. The lower pressing plate 12 is designed to be parallel to the support platform 11. The lower pressing plate 11 can move up and down parallel to the support platform 11 when the press 1 is running.

[0027] A plurality of bottom molds 2 are arranged on the support platform 11, and a mold cavity for molding is arranged on the bottom mold 2. A plurality of purge holes 21 are evenly arranged on the bottom surface of the mold cavity. The purge holes 21 can spray high-pressure airflow upward, thereby blowing the particles or dust in the mold cavity upward out of the mold cavity, and an annular groove 22 is arranged on the peripheral wall in the middle position of the mold cavity. The annular groove 22 is connected to the dust suction port of the dust suction device, and then a negative pressure suction force can be formed on the surroundings in the annular groove 22, so that the surrounding dust or particles are sucked into the dust suction device, thereby reducing the dust in the mold cavity. The annular groove 22 cooperates with the purge holes 21 at the bottom to remove most of the dust and particles.

[0028] The annular groove 22 is arranged in the circumferential direction of the mold cavity, so the particles or dust in the middle position of the mold cavity cannot be adsorbed, and are blown upward out of the upper surface of the bottom mold 2, floating in the surrounding air, and finally falling back into the mold cavity or floating out. The dust and particles falling back to the bottom of the mold cavity will accumulate during the stamping process again and again, and the dust and particles blown out each time subsequently will increase successively.

[0029] The bottom mold 2 is provided with a detection component 3 for detecting dust and particulate matter. The detection component 3 may be a laser dust detector. When the purge hole 21 sprays high-pressure airflow upward, the laser dust detector can perform dust detection on the airflow passing through, and further identify the concentration of dust or particulate matter above the bottom mold 2.

[0030] When the dust or particulate matter content in the mold cavity is high, the more dust or particulate matter content is blown above the bottom mold 2 by the airflow, the larger the value measured by the detection part 3. Therefore, dust detection is performed by the detection part 3, and when the set value is reached, the cleaning device 4 installed on the press can be controlled to clean the mold cavity.

[0031] The cleaning device 4 includes a cleaning part 41, a moving device 42, a feeding part 43, a receiving part 44, a closing part 45, an expansion device 46 and a main frame 47. The moving device 42 includes a track group 421 and a moving block 422. The track group 421 is set on the supporting platform 11, and the moving block 422 is guided and slidably set on the track group 421. The moving block 422 is provided with a servo motor, so that the sliding block 422 can move accurately back and forth on the track group 421. The track group 421 and the sliding block 422 are both large-load-bearing moving components and can withstand a large load-bearing force.

[0032] The main frame 47 is elastically and telescopically connected to the sliding block 422 through an elastic guide sliding member. One end of the elastic guide sliding member is arranged at the bottom of the main frame 47, and the other end is connected to the elastic guide sliding member at the upper end of the sliding block 422. The elastic guide sliding member can elastically shrink when subjected to pressure, and then when the main frame 47 is subjected to downward pressure, it can be guided to move downward as a whole, and when the pressure disappears, it can return to its initial state upward.

[0033] The main frame 47 is provided with a punching hole 471, a channel cavity 472, a material cavity 473 and a receiving cavity 474. The material cavity 473 and the receiving cavity 474 are respectively located at the left and right ends of the main frame 47, and the material cavity 473 and the receiving cavity 474 are horizontally connected through the channel cavity 472. The punching hole 471 is arranged up and down and is perpendicular to the channel cavity 472. The feeding piece 43 and the receiving piece 44 are both rollers, wherein two feeding pieces 43 are provided and one receiving piece 44 is provided. The feeding piece 43 is arranged in the material cavity 473 for damping rotation up and down, and the receiving piece 44 is arranged in the receiving cavity 474, and The receiving piece 44 is provided with a power piece, which can rotate under the control of the electronic control unit. The cleaning piece 41 is an elastic film with stickiness on one side, which can be elastically deformed when subjected to pressure, thereby causing elongation, blowing and the like. The cleaning piece 41 is provided with two pieces, and one end of each piece is respectively wound on two feeding pieces 43, while the other end is jointly provided on the receiving piece 44, and the middle connecting part passes through the channel cavity 472, and the channel cavity 472 is parallel to the lower pressure plate 12, so that when the punch head moves downward, the lower end of the punch head 121 presses on the cleaning piece 41 and drives the cleaning piece 41 into the mold cavity.

[0034] The closure member 45 includes an annular pressing ring 451 and guide abutment rods 452 arranged on four corners of the lower end surface of the annular pressing ring 451. A guide hole is opened on the lower end surface of the channel cavity 472. The closure member 45 is guided and slidably arranged in the guide hole by the four guide abutment rods 452, so that the annular pressing ring 451 is slidably arranged in the channel cavity 472 up and down. An elastic sealing ring 4511 is arranged on the upper surface of the annular pressing ring 451, and an elastic sealing ring 4511 is arranged on the upper end wall of the channel cavity 472 corresponding to the annular pressing ring 451. An elastic sealing ring 4511 is also provided at the position, and the upper and lower elastic sealing rings 4511 are aligned. Four electromagnets are evenly distributed in the upper end wall of the channel cavity 472 above the annular pressure ring 451. The electromagnets can adsorb the annular pressure ring 451 upward when energized, and the positive and negative cleaning members 41 both pass between the two elastic sealing rings 4511. When the electromagnets are energized, the two elastic sealing rings 4511 seal and close the areas of the two cleaning members 41 located in the elastic sealing rings 4511.

[0035] Since the two cleaning members 41 have sticky substances on the outside, and the surface that the elastic sealing ring 4511 presses against is also the surface with sticky substances, after the electromagnet is powered off, the two cleaning members 41 are still adhered to the upper and lower elastic sealing rings 4511 respectively. Therefore, a plurality of small holes are opened on the plane of the elastic sealing ring 4511, and oily substances are stored in the elastic sealing ring 4511. When the two elastic sealing pads 4511 are deformed against each other to seal and close the area where the two cleaning members 41 are located in the elastic sealing ring 4511, the stored oily substances are squeezed out from the plurality of small holes and flow onto the surface of the elastic sealing ring 4511, thereby preventing the contact position between the elastic sealing ring 4511 and the cleaning member 41 from being adhered.

[0036] The expansion device 46 includes an inflation nozzle 461 and a docking joint 462. The inflation nozzle 461 is in a C-shaped structure. A sliding groove 4521 is provided on the guide resistance rod 452. The C-shaped lower end of the inflation nozzle 461 is guided and slidably set in the sliding groove 4521 and is connected to one end of a flexible pipe set in the guide resistance rod 452. A docking hole is provided at the lower end of the guide resistance rod 452, and the other end of the flexible pipe is connected to the docking hole. The docking joint 462 is set on the upper end surface of the bottom mold 2.

[0037] The lower pressure plate 12 is also provided with a top contact block 122. After the punch head 121 moves down to its position, the top contact block 122 contacts the main frame 47. At this time, the docking hole at the lower end of the guide resistance rod 452 is inserted into the docking joint 462 on the bottom mold 2, thereby realizing the supply of compressed air, so that the inflation nozzle 461 can spray compressed air.

[0038] The C-shaped upper end of the inflation nozzle 461 is flat, and enters from the sides of the two cleaning pieces 41 to the middle of the two cleaning pieces 41, that is, one of the two cleaning pieces 41 passes over the inflation nozzle 461, and the other passes under the inflation nozzle 461. When the lower pressure plate 12 starts to descend, the electromagnet is energized, so that the annular pressure ring 451 is adsorbed upward, and the two elastic sealing rings 4511 seal and close the area of ​​the two cleaning pieces 41 located inside the elastic sealing rings 4511, and the inflation nozzle 461 is also located therebetween. At this time, the lower pressure plate 12 continues to descend, and the punch head 121 contacts the cleaning piece 41. At this time, the cleaning piece 41 at the contact position is compressed in an annular shape all around, and as the punch head 121 continues to descend, the cleaning piece 41 elastically deforms and enters the mold cavity together with the punch head 121.

[0039] After the lower pressure plate 12 moves down into position, the docking hole at the lower end of the guide resistance rod 452 is inserted into the docking joint 462 on the bottom mold 2, thereby realizing the supply of compressed air, so that the inflation nozzle 461 can spray compressed air, and then the two cleaning parts 41 expand under the action of the intermediate compressed air, and then the upper cleaning parts 41 are tightly attached to the punch head 121, and the lower cleaning parts 41 are tightly attached to the mold cavity wall, and the sticky substance on the surface of the cleaning parts 41 adheres to the dust or particles on the punch head 121 and the mold cavity.

[0040] Its working principle or usage is as follows: The lower pressing plate 12 moves downward, and at the same time drives the punching heads of multiple stations to perform punching and forming work.

[0041] After each molding is completed, the purge hole 21 at the bottom of the mold cavity can spray high-pressure airflow upward, and the annular groove 22 performs negative pressure adsorption on the high-speed airflow to hit the dust, but some of the dust cannot be removed and will fall back into the mold cavity. After this stamping operation is performed multiple times, the dust and particulate matter on the bottom of the mold cavity accumulate, and then the dust and particulate matter blown out each subsequent time will increase successively. The higher the content of dust or particulate matter blown to the top of the bottom mold 2 by the airflow, the dust is detected by the detection part 3. When the set value is reached, the cleaning device 4 set on the press can be controlled to clean the mold cavity.

[0042] The control moving block 422 moves and sends the main frame 47 to the bottom of the punch head 121. The lower pressure plate 12 starts to descend, and the electromagnet is energized, so that the annular pressure ring 451 is adsorbed upward, and the two elastic sealing rings 4511 seal and close the areas of the two cleaning parts 41 located in the elastic sealing rings 4511, and the inflation nozzle 461 is also located between the two. The lower pressure plate 12 continues to descend, and the punch head 121 contacts the cleaning part 41. At this time, the cleaning part 41 at the contact position is compressed in an annular shape around it, and then the punch head 121 continues to descend in the subsequent process, driving the cleaning part 41 to undergo elastic deformation, and entering the mold cavity together with the punch head 121.

[0043] After the lower pressure plate 12 moves down into position, the docking hole at the lower end of the guide resistance rod 452 is inserted into the docking joint 462 on the bottom mold 2, thereby realizing the supply of compressed air, so that the inflation nozzle 461 can spray compressed air, and then the two cleaning parts 41 expand under the action of the intermediate compressed air, and then the upper cleaning parts 41 are tightly attached to the punch head 121, and the lower cleaning parts 41 are tightly attached to the mold cavity wall, and the sticky substance on the surface of the cleaning parts 41 adheres to the dust or particles on the punch head 121 and the mold cavity.

[0044] After staying for a period of time, the lower pressure plate 12 begins to recover upward. During the recovery process, the docking hole and the docking joint 462 are disconnected first, and then the compressed air supply stops. The two layers of cleaning parts 41 recover to a close fit under the action of their own elastic force, and the air previously filled in is discharged outward through the inflation nozzle 461. The punching head 121 recovers upward, and the cleaning part 41 recovers to its initial flat state.

[0045] The surface finish of the punch head 121 and the mold cavity is relatively high, so the cleaning piece 41 will not adhere to the surfaces of the two and can be detached by itself when subjected to its own elastic restoring force, while dust or particles are adhered to the surface of the cleaning piece 41 .

[0046] When the lower pressure plate 12 returns to its initial height, the electromagnet is powered off, the two cleaning parts 41 are separated, the receiving part 44 starts to rotate, and the used part is wound on the receiving part 44. At the same time, the two feeding parts 43 are pulled to rotate and the unused part is fed to the bottom of the punching head 121 to prepare for the next cleaning. The moving block 422 moves backward, driving the main frame 47 to leave the bottom of the punching head 121, and thus a complete cleaning work is completed. Example 2

[0047] See also Figure 1-Figure 7 , compared with Example 1, the difference is that the operation time of the material receiving member 44 is different, and the rest are the same.

[0048] In this embodiment, after the cleaning piece 41 finishes cleaning the mold cavity and the equipment is reset, the material receiving piece 44 does not rotate, that is, the used material continues to be located in the punching hole, and then when the purge hole 21 sprays air flow upward, part of the dust and particles blown upward will impact the position of the used cleaning piece 41 with the air flow, and then continue to adhere to the dust and particles.

[0049] When the detection part 3 detects that the dust content increases, the receiving part 44 starts to work, winding the used part on the receiving part 44, and the unused part enters the punching hole, so that the cleaning part for cleaning the mold cavity and the punching head is unused, ensuring the stickiness of the surface of the cleaning part 31.

[0050] The above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit the same. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that the technical solutions described in the aforementioned embodiments may still be modified, or some of the technical features may be replaced by equivalents. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. Single machine multi-station linkage press, characterized by: The press machine (1) comprises a press machine (1), wherein a carrying platform (11) is arranged on the press machine (1), and a plurality of bottom molds (2) are arranged on the carrying platform (11); A lower pressing plate (12) is provided on the guide sliding bearing platform (11), a plurality of punching heads (121) adapted to the bottom die (2) are provided on the lower pressing plate (12), a purge hole (21) for blowing dust upward is provided on the bottom die (2), and a detection member (3) for detecting dust is also provided on the bottom die (2); A cleaning device (4), the cleaning device (4) comprising a cleaning member (41) for cleaning particles in the mold cavity and a moving device (42) for driving the cleaning member (41) into the stamping station; The cleaning member (41) is an elastic membrane. The punch head (121) moves downward and presses against the elastic membrane, driving the elastic membrane into the mold cavity of the bottom mold (2). A sticky substance is attached to the surface of the elastic membrane. The surface of the elastic membrane contacts the mold cavity, causing the particles to adhere to the surface of the elastic membrane.

2. The single-machine multi-station linkage press according to claim 1 is characterized in that: An annular groove (22) is provided on the peripheral wall of the mold cavity of the bottom mold (2), and the annular groove (22) is connected to a dust suction device to absorb dust in the mold cavity.

3. The single-machine multi-station linkage press according to claim 1 is characterized in that: The cleaning members (41) are provided in two pieces, and the two pieces are arranged front and back, one layer is used to remove particles in the mold cavity, and the other layer is used to remove particles on the punch head (121).

4. The single-machine multi-station linkage type press according to claim 3 is characterized in that: The cleaning device (4) further comprises a feeding piece (43) and a receiving piece (44); one end of the cleaning piece (41) is wound around the feeding piece (43) and the other end is wound around (44); and the feeding piece (43) and the receiving piece (44) are respectively located on the left and right sides of the punching head (121).

5. The single-machine multi-station linkage type press according to claim 3 is characterized in that: The cleaning device (4) further comprises a sealing member (45) and an expansion device (46); the sealing member (45) seals the peripheral walls of the two cleaning members (41) located above the die cavity; the expansion device (46) is used to fill a filler into the interlayer of the two sealed cleaning members (41); the cleaning members (41) expand and deform so that the upper and lower members are respectively tightly attached to the die cavity of the punch head (121) and the bottom die (2).

6. The single-machine multi-station linkage type press according to claim 5, characterized in that: The lower pressing plate (12) is also provided with a top contact block (122). After the punch head (121) moves down to its position, the top contact block (122) contacts the main frame (47), and the closing member (45) is pressed to close the peripheral walls of the two cleaning members (41) above the mold cavity, thereby forming a sealed interlayer.

7. The single-machine multi-station linkage type press according to claim 5, characterized in that: The cleaning device (4) further comprises a main frame (47), the main frame (47) being provided with a punching hole (471) for the punching head (121) to pass through, a channel cavity (472) being provided in the lateral direction of the punching hole (471) for the cleaning member (41) to pass through, the closing member (45) comprising an annular pressing ring (451) and a guide abutment rod (452), the closing member (45) being guided and slidably arranged in the channel cavity (472) by the guide abutment rod (452) up and down, and moving upward to press the cleaning member (41) against the upper wall of the channel cavity (472), so that the two cleaning members (41) within the pressing range form a sealed interlayer.

8. The single-machine multi-station linkage type press according to claim 7, characterized in that: The expansion device (46) comprises an inflation nozzle (461), the inflation nozzle (461) being arranged on the guide top contact rod (452), and the head of the inflation nozzle (461) entering from the side into the middle of the two cleaning pieces (41), and when the closing piece (45) closes the upper and lower cleaning pieces (41), the front end of the inflation nozzle (461) is located in the sealing interlayer of the two cleaning pieces (41).

9. The single-machine multi-station linkage type press according to claim 7, characterized in that: An elastic sealing ring (4511) is provided on the annular pressure ring (451), and an elastic sealing ring (4511) is provided on the upper wall of the channel cavity (472), and the two elastic sealing rings (4511) are aligned with each other in the upper and lower parts.

10. The single-machine multi-station linkage type press according to claim 8, characterized in that: A sliding groove (4521) is provided on the side of the guide abutment rod (452), and the inflation nozzle (451) is slidably arranged up and down on the sliding groove (4521).

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