CN112845758B

CN112845758B - Press machine for producing vortex type connecting sheet

Info

Publication number: CN112845758B
Application number: CN202011339423.8A
Authority: CN
Inventors: 潘杰财
Original assignee: Yueqing Rongtai Electrical Appliance Factory
Current assignee: Yueqing Rongtai Electrical Appliance Factory
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2022-10-28
Anticipated expiration: 2040-11-25
Also published as: CN112845758A

Abstract

The utility model relates to a pressure equipment's field relates to a press for producing vortex type connection piece, which comprises a frame, be equipped with the workstation in the frame, actuating mechanism, the movable mould, be equipped with the drift on the movable mould, the bottom surface of drift is the cambered surface, be equipped with the cover half on the workstation, be equipped with the die cavity that supplies the drift to get into on the cover half, fixed chamber has been seted up to the die cavity inside wall, fixed intracavity is equipped with the die mould pole of die mould pole end fixing, and the die mould pole, the pivot is worn to be equipped with by the tip of transfer line reciprocal anchorage, be equipped with the die mould chamber that supplies die mould pole tip to get into on the lateral wall of drift, the cambered surface chamber wall of die cavity is the die mould face, the tip of die mould pole is the arc that matches with the die mould face. The press machine can be used for stamping to form a vortex-type connecting sheet, and meanwhile, the tensile machine has better transmission performance, so that the manual operation steps are fewer, the workload of workers is reduced, and safety accidents during unloading are also reduced.

Description

Press machine for producing vortex type connecting sheet

Technical Field

The application relates to the field of pressure equipment, in particular to a press machine for producing a vortex type connecting sheet.

Background

The press machine can be widely applied to the processes of cutting, punching, blanking, bending, riveting, forming and the like. The metal is processed into parts by applying a strong pressure to the metal blank to cause plastic deformation and fracture of the metal.

The connecting sheet of the vortex type is applied to the vacuum circuit breaker, and because the arrangement of the assembly parts in the vacuum circuit breaker is complex, sometimes the connecting sheet in the vacuum circuit breaker needs to be manufactured into different shapes including the connecting sheet of the vortex type in order to meet the arrangement of the assembly parts. The vortex-type connecting sheet is usually produced and formed by a coiled material of the connecting sheet to be processed through the working procedures of cutting, stamping and the like.

The invention patent application with application publication number CN108746354A discloses a punching machine, which comprises an upper die holder and a lower die holder, wherein guide sleeves are respectively arranged on two sides of the upper die holder, a guide rod is arranged inside each guide sleeve, an upper top plate is arranged at the lower end of the upper die holder, positioning rods on two sides of the upper top plate are connected with a male die, a female die is arranged at the upper end of the lower die holder, a shock absorption rod is arranged between the upper top plate and the male die, a shock absorption spring is arranged on each guide rod, a first wear-resistant layer is arranged on the punching surface of the male die, and a second wear-resistant layer is arranged on the punching surface of the female die.

In view of the above-described related art, the inventors considered that it is difficult to obtain a scroll-type tab after punching a strip-shaped tab to be processed using the punch.

Disclosure of Invention

In order to adopt the connection piece of press punching production vortex type, this application provides a press for producing vortex type connection piece.

The application provides a press for producing vortex type connection piece adopts following technical scheme:

a press machine for producing a vortex type connecting sheet comprises a machine frame, wherein a workbench, a driving mechanism above the workbench and a movable die driven by the driving mechanism to move are arranged on the machine frame, a punch is arranged on the movable die, the bottom surface of the punch is a cambered surface, a fixed die is arranged on the workbench, a die cavity for the punch to enter is arranged on the fixed die, a fixed cavity is formed in the inner side wall of the die cavity, a compression rod and a transmission rod below the compression rod are arranged in the fixed cavity, the end parts of the compression rod and the transmission rod are fixed, a rotating shaft penetrates through the mutually fixed end parts of the compression rod and the transmission rod, the end part of the rotating shaft is fixed on the cavity wall of the fixed cavity, the axis of the rotating shaft is perpendicular to the moving direction of the punch, the compression cavity for the end part of the compression rod to enter is arranged on the side wall of the punch, the cavity wall of the cambered surface of the compression cavity is a compression surface, and the end part of the compression rod, far away from the rotating shaft, is an arc shape matched with the compression surface;

when the punch head is separated from the die cavity, the end part of the transmission rod protrudes out of the cavity opening of the fixed cavity, and the profiling rod is positioned in the fixed cavity;

when the punch slides into the die cavity, the punch drives the end part of the transmission rod to move downwards, so that the end part of the compression rod is driven to rotate around the rotating shaft to enter the compression cavity and be attached to the compression surface.

By adopting the technical scheme, the driving mechanism drives the movable die to reciprocate up and down, and the fixed die is fixed on the rack, so that the punch is driven to enter or separate from the die cavity. When the punch head is separated from the die cavity, the connecting sheet to be processed is positioned at the notch of the die cavity, the profiling rod is positioned above the transmission rod and positioned in the fixed cavity, and the end part of the transmission rod protrudes out of the cavity opening of the fixed cavity. When the punch slides into the die cavity, the punch presses a connecting sheet to be processed into the die cavity, and meanwhile, the punch drives the end part of the transmission rod to move downwards, so that the end part of the compression rod is driven to rotate around the rotating shaft to enter the compression cavity and be attached to the compression surface, and the connecting sheet in the compression cavity is located between the compression rod and the forming surface. The pressing molded surface is an arc surface, and the bottom surface of the punch is an arc surface, so that the connecting piece formed by punching is of a vortex type.

Optionally, a return spring is arranged in the fixed cavity, and the elastic force of the return spring drives the profiling rod to be located in the fixed cavity and drives the end of the transmission rod to protrude out of the cavity opening of the fixed cavity.

Through adopting above-mentioned technical scheme, when the drift left in the die cavity, reset spring elasticity ordered about the molding pole can return fixed intracavity, still ordered about the tip of transfer line simultaneously and kept the state of the accent of protruding fixed chamber, made things convenient for the drift to treat the processing connection piece next time and punched.

Optionally, the mould inslot slides and is provided with the butt piece, the top and the butt piece of guide bar are fixed, the top surface and the drift bottom surface of butt piece match, the mould groove bottom is equipped with the guiding hole, wear to be equipped with the guide bar in the guiding hole, the tip of the bottom surface butt transfer line of butt piece.

Through adopting above-mentioned technical scheme, the tip of butt transfer line is held in the bottom surface butt of butt piece, and the drift is through pushing down the butt plate to drive the transfer line and rotate around the axis of rotation. The top surface and the drift bottom surface of butt joint piece match, and the arc of the top surface of butt joint piece agrees with the arc of drift bottom surface promptly, can further finalize the design to the punching press of connection piece through its bottom surface butt joint piece during the drift punching press. The guide rod penetrates through the guide hole and guides the abutting block, and the abutting block is not prone to shifting when sliding, so that the lug punching effect is good.

Optionally, a support spring is disposed at the bottom of the abutting block.

Through adopting above-mentioned technical scheme, the gravity of butt piece drives the transfer line easily and overcomes reset spring elasticity and revolves the rotation, makes the tip of molding rod be located the die cavity to arouse the press trouble. Through set up supporting spring in the bottom of butt joint piece, supporting spring elasticity supports the butt joint piece, offsets butt joint piece partial gravity, makes the difficult drive transfer line of gravity of butt joint piece revolute the rotation of axes.

Optionally, the end of the guide rod, which is far away from the abutting block, is provided with an anti-falling block.

Through the technical scheme, the anti-falling block enables the end part of the guide rod to be limited in the guide hole, so that the guide rod is not easy to eject out of the guide hole by the elasticity of the supporting spring.

Optionally, the driving mechanism includes a guide post and an upper supporting spring for supporting the movable mold to be separated from the fixed mold, the guide post is fixed on the workbench, the guide post sequentially passes through the movable mold and the upper supporting spring from top to bottom, and the guide post is slidably connected with the movable mold;

the driving mechanism further comprises a transmission motor and a wheel disc driven to rotate by the transmission motor, an eccentric block is fixed on the wheel disc, a guide block used for being abutted to the eccentric block is arranged at the top of the movable die, and the guide block moves downwards when the eccentric block is abutted to the guide block.

Through adopting above-mentioned technical scheme, the guide post is fixed in on the workstation, and on the guide post was located to movable mould, last spring sleeve that props, upward prop the spring and be located the movable mould below and support it, make the drift keep being located the die cavity top. The transmission motor drives the wheel disc to rotate, so that the eccentric block is driven to rotate, the eccentric block can be driven to move or be close to the guide block after rotating, the eccentric block can be in sliding contact with the guide block, the guide block is driven by the eccentric block to move downwards, namely, the movable die moves downwards, and the movable die is upwards supported by the upward supporting spring force, so that the reciprocating motion of the movable die is realized.

Optionally, the cutting device further comprises a conveying device, a cutter used for cutting the connecting sheet coiled material to be processed is further arranged on the movable die, the cutter is located between the conveying device and the punch, and a cutter groove for the cutter to enter is formed in the fixed die.

Through adopting above-mentioned technical scheme, wait to process the connection piece coiled material and form through convoluteing for having the connection piece of waiting to process of longer length, when conveyor will wait to process the connection piece on the connection piece coiled material and carry to the cover half along its length direction, because of the cutter is located between conveyor and the drift, make and wait to process the connection piece and be located the top in sword groove just, the movable mould moves down and drives the cutter and will wait to cut the connection piece and cut off from the coiled material, the drift is to being processed the coiled material of waiting to process that is cut down on next step.

Optionally, the conveying device includes a conveying frame, two conveying rollers fixed on the conveying frame, and a conveying motor for driving one of the conveying rollers to rotate, a gap into which a coiled material of the connecting sheet to be processed is just fed is left between the two conveying rollers, and the roller surfaces of the two conveying rollers are used for abutting against the connecting sheet to be processed.

Through adopting above-mentioned technical scheme, on two conveying rollers were fixed in the carriage, one of them conveying roller of conveying motor drive rotated, and the roll surface butt of two conveying rollers waits to process the connection piece, and when one of them conveying roller of conveying motor drive rolled, the tight power of waiting to process the connection piece of two conveying rollers ordered about it along self length direction and removed to reach the purpose of carrying. When the connecting sheet to be processed is separated from the coiled material along the length direction of the connecting sheet to be processed, the coiled connecting sheet to be processed is provided with a certain curling degree, the abutting force between the two conveying rollers for the connecting sheet to be processed can also straighten the curled connecting sheet to be processed, and subsequent processing is convenient to carry out.

Optionally, the fixed die further comprises a positioning ring for the connecting sheet coiled material to be processed to penetrate, and the movable die is provided with a positioning groove for the positioning ring to enter.

Through adopting above-mentioned technical scheme, wait to process the connection piece and wear to locate the retaining ring in, the retaining ring is spacing with it, makes and waits to process the difficult its moving direction that squints of connection piece. When the movable mold and the fixed mold are assembled, the positioning ring enters the positioning groove, so that the positioning ring does not influence the assembly of the movable mold and the fixed mold.

Optionally, a hydraulic cylinder and a discharging piece driven by the hydraulic cylinder are arranged on the frame, the moving direction of the discharging piece is the same as the length direction of the rotating shaft, and the discharging piece is used for abutting against the vortex-shaped connecting piece.

Through adopting above-mentioned technical scheme, the drift will wait to process the connection piece punching press and form the connection piece of vortex type, because of connection piece vortex structure, when making the drift leave the die cavity, the connection piece of vortex type still is located the drift. The pneumatic cylinder drives the unloading piece to move along the length direction of the rotating shaft and then abut against the vortex type connecting piece, the vortex type connecting piece is pushed away from the punch, the vortex type connecting piece is unloaded from the punch, the vortex type connecting piece is not required to be manually unloaded, and therefore the safety accident caused by manual unloading is avoided.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the vortex-shaped connecting sheet can be obtained after the connecting sheet to be processed is stamped by the press;

2. the return spring is arranged, so that the molding rod can return to the fixed cavity, and the end part of the transmission rod keeps a state of protruding out of the cavity opening of the fixed cavity, so that the next stamping is facilitated;

3. the conveying device is arranged, so that the curled connecting sheet to be processed can be straightened by the conveying roller, and subsequent processing is facilitated;

4. through setting up discharge apparatus pneumatic cylinder, unloading piece, make the unloading of vortex type connection piece not only convenient but also safe.

Drawings

Fig. 1 is an overall view of a press machine according to an embodiment of the present application.

Fig. 2 isbase:Sub>A cross-sectional view taken along linebase:Sub>A-base:Sub>A of fig. 1.

FIG. 3 is a partial sectional view of the embodiment, mainly projecting the internal structure of the lower die when the punch is disengaged from the cavity.

Fig. 4 is an enlarged view at B of fig. 2.

Fig. 5 is an enlarged view at C of fig. 3.

Fig. 6 is a rear view of the embodiment, mainly highlighting the conveyor motor.

FIG. 7 is a schematic view showing the upper and lower molds of the embodiment after they are separated.

Fig. 8 is an enlarged view at D of fig. 7.

Description of reference numerals: 1. a frame; 11. a work table; 2. moving the mold; 21. a punch; 211. pressing the cavity; 212. pressing a molded surface; 22. a guide block; 23. a cutter; 24. positioning a groove; 3. fixing a mold; 31. a die cavity; 32. a fixed cavity; 321. a profiling rod; 322. a transmission rod; 323. a rotating shaft; 324. a return spring; 33. a knife slot; 34. a positioning ring; 4. a butting block; 41. a guide hole; 42. a guide rod; 421. an anti-drop block; 43. a support spring; 5. a drive mechanism; 51. a guide post; 52. an upper supporting spring; 53. a drive motor; 54. a wheel disc; 541. an eccentric block; 6. a conveying device; 61. a carriage; 62. a conveying roller; 63. a conveying motor; 7. a hydraulic cylinder; 71. and (6) unloading the material sheets.

Detailed Description

The present application is described in further detail below with reference to figures 1-8.

The embodiment of the application discloses a press for producing vortex type connection piece. Referring to fig. 1 and 2, the press machine for producing the vortex type connecting sheet comprises a machine frame 1, a workbench 11 which is arranged on the machine frame 1 in a plane is provided, a fixed die 3 is fixed on the workbench 11, a movable die 2 is erected above the fixed die 3, a driving mechanism 5 for driving the movable die 2 to reciprocate up and down is fixed on the machine frame 1, the movable die 2 is erected right above the fixed die 3 through a driving structure, and two side faces of the movable die 2 in the vertical direction are connected with the machine frame 1 in a sliding manner. The frame 1 is also fixed with a conveying device 6 for conveying the connecting sheets to be processed.

Referring to fig. 2 and 3, the driving mechanism 5 includes a plurality of guide posts 51 and a plurality of upper supporting springs 52, the guide posts 51 are vertically fixed on the fixed mold 3 and located between the fixed mold 3 and the movable mold 2, and top ends of the guide posts 51 penetrate through the movable mold 2 and are slidably connected with the movable mold 2. The upper supporting springs 52 are sleeved on the guide posts 51 in a one-to-one correspondence manner, and the upper supporting springs 52 are positioned below the movable mold 2 and support the movable mold 2 above the fixed mold 3. The driving mechanism 5 further comprises a transmission motor 53 and a wheel disc 54 coaxially arranged with the output end of the transmission motor 53, an eccentric block 541 is fixed on the disc surface of the wheel disc 54 facing the transmission motor 53, a guide block 22 used for being abutted to the eccentric block 541 is fixed at the top of the movable mold 2, the guide block 22 is located between the transmission motor 53 and the wheel disc 51, and when the eccentric block 541 is located under the rotating shaft of the transmission motor 53, the eccentric block 541 is abutted to the guide block 22 to enable the movable mold 2 and the fixed mold 3 to be assembled. The transmission motor 53 drives the wheel disc 54 to rotate and drive the eccentric block 541 to rotate, and the eccentric block 541 can be far away from or close to the guide block 22. When the eccentric block 541 is close to the guide block 22, the guide block 22 is moved downward, thereby moving the movable mold 2 downward, and the upper supporting spring 52 supports the movable mold 2 upward, so that the movable mold 2 is moved up and down.

Referring to fig. 4, a punch 21 is fixed on the bottom surface of the movable die 2, the bottom surface of the punch 21 is an arc surface, a cutter 23 for cutting a connecting piece to be processed is also fixed on the bottom surface of the movable die 2, and a cutter groove 33 for the cutter 23 to enter is arranged on the fixed die 3. The top surface of the fixed die 3 is provided with a die cavity 31 matched with the punch 21, the inner side wall of the die cavity 31 is provided with a fixed cavity 32, the fixed cavity 32 is internally and rotatably provided with a pressing rod 321 and a transmission rod 322, the end parts of the pressing rod 321 and the transmission rod 322 are integrally formed and fixed, a rotating shaft 323 penetrates through the mutual fixed position of the end parts, the pressing rod 321 and the transmission rod 322 are rotatably connected with the rotating shaft 323, and the length direction of the rotating shaft 323 is vertical to the length directions of the pressing rod 321 and the transmission rod 322. Both ends of the rotating shaft 323 are fixed to the inner wall of the fixing cavity 32, and the length direction of the rotating shaft 323 is perpendicular to the moving direction of the punch 21, i.e., perpendicular to the depth direction of the cavity 31.

Referring to fig. 4 and 5, a return spring 324 is fixed to the middle of the profiling rod 321, one end of the return spring 324 is fixed to the middle of the profiling rod 321, and the other end is fixed to the bottom wall of the fixing cavity 32. When the punch 21 is located above the die cavity 31, the return spring 324 elastically locates the profiling rod 321 in the fixing cavity 32, and the end of the transmission rod 322 far away from the rotating shaft 323 protrudes out of the cavity opening of the fixing cavity 32 and is located in the die cavity 31. The side wall of the punch 21 is provided with a profiling cavity 211 for the profiling rod 321 to enter, and the lower wall of the profiling cavity 211 is an arc-shaped profiling surface 212. When the punch 21 moves into the cavity 31, the bottom of the punch 21 drives the transmission rod 322 to rotate around the rotation shaft 323, so that the end of the molding rod 321 enters the molding cavity 211 after rotating and abuts against the molding surface 212. The end of the profiling rod 321 abutting the profiling surface 212 is arc-shaped to fit the profiling surface 212. After the punch 21 is released from the cavity 31, the return spring 324 returns the press rod 321 and the transmission rod 322.

Referring to fig. 4 and 5, the abutting block 4 is slidably provided in the cavity 31, and the sliding direction of the abutting block 4 is along the depth direction of the cavity 31. The top surface of the abutting block 4 is an arc surface matched with the bottom surface of the punch 21, and a guide rod 42 and a support spring 43 are fixed on the bottom surface of the abutting block 4. The bottom of die cavity 31 is fixed with guiding hole 41, and guide bar 42 one end is fixed with butt piece 4, and in the guiding hole 41 was worn to locate by the guide bar 42 other end, the tip integrated into one piece that butt piece 4 was kept away from to guide bar 42 had anticreep piece 421, and the drill way department of guiding hole 41 is fixed with the spacing arch that is used for placing guide bar 42 and breaks away from, and spacing arch is spacing in guiding hole 41 with anticreep piece 421. One end of the support spring 43 is fixed to the abutment block 4, and the other end is fixed to the bottom wall of the cavity 31. The bottom surface of the abutting block 4 also abuts on the end of the transmission lever 322, and the punch 21 drives the transmission lever 322 to rotate by pressing the abutting block 4. The elastic force of the supporting spring 43 is used for supporting the abutting block 4, thereby reducing the gravity of the abutting block 4 on the transmission rod 322, and enabling the transmission rod 322 to be reset smoothly.

Referring to fig. 3 and 6, the conveying device 6 is located on one side of the cutting knife 23 away from the punch 21, the conveying device 6 includes a conveying frame 61, a conveying motor 63, and two conveying rollers 62, the rollers of the two conveying rollers 62 are horizontally arranged and parallel to each other, one of the conveying rollers 62 is located right above the other conveying roller 62, and a gap for the connecting sheet coil to be processed to enter is left between the two conveying rollers 62. When waiting to process the connection piece coiled material and being located between two conveying rollers 62, two conveying rollers 62's roll surface with wait to process the connection piece butt, conveying motor 63 drive below conveying roller 62 rotates, and the tight power of support between two conveying rollers 62 drives and waits to process the connection piece and rotate with the conveying roller 62 of top simultaneously to the realization is waited to process the transport of connection piece.

Referring to fig. 4, a positioning ring 34 for a connecting sheet coil to be processed to penetrate is fixed on the top surface of the fixed mold 3, and a positioning groove 24 for the positioning ring 34 to enter is formed in the bottom surface of the movable mold 2. The connecting sheet to be processed is inserted into the positioning ring 34 to form a limit, so that the connecting sheet to be processed is not easy to deviate from the moving direction.

Referring to fig. 7 and 8, the press machine further comprises a hydraulic cylinder 7 for detaching the scroll-type connecting piece from the punch 21 and a discharging piece 71, wherein the discharging piece 71 is fixed on the output end of the hydraulic cylinder 7, the hydraulic cylinder 7 drives the discharging piece 71 to transversely reciprocate, the moving direction of the discharging piece 71 is the same as the length direction of the rotating shaft 323, the discharging piece 71 is enclosed into a cavity for the punch 21 to pass through, and the end part of the discharging piece 71 far away from the hydraulic cylinder 7 can abut against the scroll-type connecting piece on the punch 21 and push the scroll-type connecting piece down from the punch 21.

The implementation principle of the press machine for producing the vortex-type connecting sheet in the embodiment of the application is as follows: when the press is used, the connecting sheet to be processed is located between the two conveying rollers 62, the conveying motor 63 rotates to drive the conveying rollers 62 below to rotate, and the abutting force between the two conveying rollers 62 drives the connecting sheet to be processed to move towards the punch 21.

The transmission motor 53 rotates to drive the eccentric block 541 on the wheel disc 54 to rotate, the eccentric block 541 drives the movable die 2 to move downwards, the cutter 23 moves downwards to cut the connecting piece to be processed, and the bottom of the punch 21 is abutted to the middle of the cut connecting piece to be processed to punch downwards. During punching, the bottom surface of the punch 21 is abutted against the top surface of the abutting block 4, and a connecting segment between the bottom surface of the punch 21 and the top surface of the abutting block 4 forms an arc shape; the abutting block 4 moves downwards to drive the transmission rod 322 and the profiling rod 321 to rotate around the rotating shaft 323, so that the profiling rod 321 enters the profiling cavity 211 after rotating and abuts against the profiling surface 212, and at the moment, the connecting section between the profiling surface 212 and the profiling rod 321 forms an arc shape, so that a scroll-shaped connecting piece is obtained.

When the guide block 22 is disengaged from the eccentric block 541, the movable die 2 is supported upward by the upward supporting spring 52, the punch 21 is disengaged from the cavity 31, and at this time, the scroll type coupling piece is restrained on the punch 21. The hydraulic cylinder 7 drives the lower sheet end portion to abut against the connecting piece, and the scroll-type connecting piece is detached from the punch 21.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a press for producing vortex type connection piece, includes frame (1), be equipped with actuating mechanism (5) of workstation (11), workstation (11) top in frame (1), by actuating mechanism (5) drive motion's movable mould (2), be equipped with drift (21) on movable mould (2), the bottom surface of drift (21) is the cambered surface, be equipped with cover half (3) on workstation (11), be equipped with die cavity (31) that supply drift (21) to get into on cover half (3), its characterized in that: a fixed cavity (32) is formed in the inner side wall of the die cavity (31), a compression rod (321) and a transmission rod (322) below the compression rod (321) are arranged in the fixed cavity (32), the ends of the compression rod (321) and the transmission rod (322) are fixed, a rotating shaft (323) penetrates through the mutually fixed ends of the compression rod (321) and the transmission rod (322), the end of the rotating shaft (323) is fixed on the cavity wall of the fixed cavity (32), the axis of the rotating shaft (323) is perpendicular to the moving direction of the punch (21), a compression cavity (211) into which the end of the compression rod (321) enters is formed in the side wall of the punch (21), the arc cavity wall of the compression cavity (211) is a compression surface (212), and the end, far away from the rotating shaft (323), of the compression rod (321) is arc-shaped and matched with the compression surface (212);

when the punch (21) is separated from the die cavity (31), the end part of the transmission rod (322) protrudes out of the opening of the fixed cavity (32), and the profiling rod (321) is positioned in the fixed cavity (32);

when the punch head (21) slides into the die cavity (31), the punch head (21) drives the end part of the transmission rod (322) to move downwards, so that the end part of the compression rod (321) is driven to rotate around the rotating shaft (323) to enter the compression cavity (211) and be attached to the compression surface (212);

a return spring (324) is arranged in the fixing cavity (32), the compression rod (321) is driven to be positioned in the fixing cavity (32) by the elastic force of the return spring (324), and the end part of the transmission rod (322) is driven to protrude out of the cavity opening of the fixing cavity (32);

an abutting block (4) is arranged in the die cavity (31) in a sliding mode, the top surface of the abutting block (4) is matched with the bottom surface of the punch (21), the bottom surface of the abutting block (4) abuts against the end portion of the transmission rod (322), a guide hole (41) is formed in the bottom of the die cavity (31), a guide rod (42) penetrates through the guide hole (41), and the top end of the guide rod (42) is fixed with the abutting block (4);

and a supporting spring (43) is arranged at the bottom of the abutting block (4).

2. A press for producing scroll type tabs according to claim 1, wherein: an anti-drop block (421) is arranged at the end part of the guide rod (42) far away from the butting block (4).

3. A press for producing scroll type tabs according to claim 1, wherein: the driving mechanism (5) comprises a guide column (51) and an upper support spring (52) used for supporting the movable mold (2) to be separated from the fixed mold (3), the guide column (51) is fixed on the workbench (11), the guide column (51) sequentially penetrates through the movable mold (2) and the upper support spring (52) from top to bottom, and the guide column (51) is connected with the movable mold (2) in a sliding manner;

the driving mechanism (5) further comprises a transmission motor (53) and a rotary wheel disc (54) driven by the transmission motor (53), an eccentric block (541) is fixed on the wheel disc (54), a guide block (22) used for being abutted to the eccentric block (541) is arranged at the top of the movable die (2), and when the eccentric block (541) is abutted to the guide block (22), the guide block (22) moves downwards.

4. A press for producing scroll type tabs according to claim 1, wherein: still including being used for carrying waiting to process conveyor (6) of connection piece, still be equipped with cutter (23) that are used for cutting waiting to process the connection piece coiled material on movable mould (2), cutter (23) are located between conveyor (6) and drift (21), be equipped with on cover half (3) and supply cutter (23) sword groove (33) that get into.

5. A press for producing scroll type tabs according to claim 4, wherein: the conveying device (6) comprises a conveying frame (61), two conveying rollers (62) fixed on the conveying frame (61) and a conveying motor (63) used for driving and conveying one of the conveying rollers (62) to rotate, a gap which is just used for a connecting sheet coiled material to be processed to enter is reserved between the two conveying rollers (62), and the roller surfaces of the two conveying rollers (62) are used for being abutted to the connecting sheet to be processed.

6. A press for producing a scroll type joint sheet according to claim 5, wherein: still include on the cover half (3) and be used for supplying the holding ring (34) that the connection piece coiled material that waits to process penetrated, be equipped with on the movable mould (2) and supply holding ring (34) entering constant head tank (24).

7. A press for producing scroll type tabs according to claim 1, wherein: the machine frame (1) is further provided with a hydraulic cylinder (7) and a discharging piece (71) driven by the hydraulic cylinder (7), the moving direction of the discharging piece (71) is the same as the length direction of the rotating shaft (323), and the discharging piece (71) is used for abutting against a vortex-shaped connecting piece.