Quick replacement mechanism for punching machine die

Abstract

The utility model discloses a rapid die replacing mechanism of a punching machine, and relates to the technical field of punching machines. The punching machine comprises a machine table and a female die arranged in the machine table, a male die is arranged above the female die, and the punching machine further comprises a punching machine part arranged on the machine table; the plurality of fixing parts are arranged in the machine table in a mirror image manner and extend out of the machine table; the plurality of self-locking parts are arranged in the machine table in a mirror image manner; wherein the number of the fixing parts and the number of the self-locking parts are both four, the punching machine part comprises a plurality of mounting grooves formed in the machine table, and limiting grooves are formed in the sides, close to each other, of the mounting grooves. According to the punching machine, the fixing part is arranged, so that the problems that when an existing punching machine is used, a die is inconvenient to replace, professional tools and complex operation are needed, the difficulty of replacing the die is increased, the replacing efficiency is reduced, and the requirement of frequently replacing the die in production is difficult to meet are solved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to punch press technical field, especially, relate to a punch press die quick replacement mechanism. BACKGROUND

[0002] With the rapid development of manufacturing industry, metal stamping forming technology as a kind of efficient, precision processing mode, its application industry expands continuously, in the metal stamping production process, punch press as core processing equipment, its performance directly determines the forming quality and production efficiency of product, therefore, need high efficiency punch press to meet the growing demand of precision machining.

[0003] But the punch press of prior art is inconvenient to replace die when using, needs to need professional tool and complex operation, not only increase the difficulty of replacing die, also reduce the efficiency of replacement, it is difficult to adapt to the demand of frequently replacing die in production. UTILITY MODEL CONTENT

[0004] The utility model discloses a punch press die quick replacement mechanism, set up fixed part, solve the punch press of prior art when using, it is inconvenient to replace die, needs to need professional tool and complex operation, not only increase the difficulty of replacing die, also reduce the efficiency of replacement, it is difficult to adapt to the demand of frequently replacing die in production problem.

[0005] To solve the above technical problems, the utility model is realized through the following technical schemes:

[0006] The utility model discloses a punch press die quick replacement mechanism, including machine table and the recess die of setting in the machine table, the top of recess die is provided with male die, still include: punch press part, punch press part sets up on the machine table, a plurality of fixed parts, a plurality of fixed parts are mirror image and extend to the outside of machine table in the machine table, and a plurality of self-locking parts, a plurality of self-locking parts are mirror image and set in the machine table, wherein, fixed part and self-locking part all are provided with four.

[0007] Further, the punch press part includes a plurality of mounting slots opened in the machine table, a plurality of mounting slots are opened in the limit slot on the side close to each other, a plurality of mounting slots are provided with a slotted fixed block, wherein, the slotted fixed block, mounting slot and limit slot are provided with four, a plurality of slotted fixed blocks are fixedly connected with recess die and male die on the side close to each other respectively.

[0008] Further, the fixed part includes a transmission assembly, the transmission assembly is arranged on the corresponding mounting slot, and an external support assembly is arranged on the inner wall of the corresponding mounting slot, wherein, the external support assembly is provided with four, and the four external support assemblies are distributed in a circumferential array on the inner wall of the mounting slot.

[0009] Further, the self-locking part comprises a limiting assembly arranged on the machine table, and an elastic assembly installed in the corresponding installation slot; wherein the limiting assembly and the elastic assembly are both located on the transmission assembly.

[0010] Further, the transmission assembly comprises a bidirectional threaded rod arranged in the corresponding installation slot, the outer wall of the bidirectional threaded rod is rotationally connected with a disc, the right side of the disc is fixedly connected with a plurality of limiting slide rods, a sliding piece is arranged on the plurality of limiting slide rods; wherein the left side of the bidirectional threaded rod extends to the outside of the installation slot, the sliding piece comprises a limiting block fixedly connected to the right side of the plurality of limiting slide rods, the outer wall of the plurality of limiting blocks is slidably connected with two sliding blocks; wherein the bidirectional threaded rod is threadedly penetrated through the two sliding blocks, the sides of the two sliding blocks, which are close to each other, are respectively hingedly connected with two hinge rods, and the outer wall of the limiting block is in contact with the inner wall of the limiting groove.

[0011] Further, the outer supporting assembly comprises two hinge rods arranged in the corresponding installation slot, and a pressing block is hingedly arranged on the side, away from the bidirectional threaded rod, of the two bidirectional threaded rods; wherein the side, away from the bidirectional threaded rod, of the pressing block is in abutment with the inner wall of the corresponding installation slot, through the linkage of the transmission assembly and the outer supporting assembly, after the mold is placed into the installation slot, only the bidirectional threaded rod needs to be rotated, so that the pressing block can be outwardly expanded and pressed against the inner wall of the mold and the machine table, and the concave mold and the convex mold can be quickly and firmly fixed on the machine table.

[0012] Further, the limiting assembly comprises a protection shell fixedly connected to the right side of the disc, the outer wall of the bidirectional threaded rod is fixedly connected with a circular ring, and a plurality of clamping grooves are formed in the outer wall of the circular ring; wherein the circular ring is located in the protection shell, the self-locking assembly is automatically locked after the bidirectional threaded rod is adjusted by cooperation of the clamping block of the elastic assembly and the clamping grooves on the circular ring of the supporting assembly, the bidirectional threaded rod is prevented from being accidentally rotated due to vibration and other factors, the pressing block of the fixing part is prevented from loosening, and the stability of the fixed state of the mold is ensured.

[0013] Further, the elastic assembly comprises a fixed block fixedly connected to the right side of the disc, a spring telescopic rod is fixedly connected to the rear side of the fixed block, a clamping block is fixedly connected to the rear side of the spring telescopic rod, and a pull rod is fixedly connected to the front side of the clamping block; wherein the side, close to the circular ring, of the clamping block extends to the corresponding clamping groove and is in abutment with the inner wall thereof, a sliding groove is formed in the protection shell, and the pull rod extends to the outside of the protection shell through the sliding groove.

[0014] The utility model has the following beneficial effects:

[0015] 1. By setting the fixed part, when installing the concave die, the two slotted fixed blocks below are put into the two installation slots on the machine table below, at this time the concave die is also placed on the machine table, then the fixed part is inserted into an installation slot through the slot on the slotted fixed block, the limiting block is clamped in the limiting slot, then the bidirectional threaded rod is rotated, the bidirectional threaded rod drives the two hinged rods through the two sliding blocks to rotate, the pressing block moves away from the bidirectional threaded rod, until the pressing block contacts and extrudes the inner wall of the installation slot and the slotted fixed block, during this process, the other three outer support assemblies move similarly, that is, the fixed part clamps the slotted fixed block in the installation slot, because the several pressing blocks are away from the bidirectional threaded rod to complete the outer support movement, the fixed part cannot be taken out through the slot of the installation slot, and the other fixed part is installed in the same way, that is, the installation of the concave die is completed, the installation of the convex die is the same, and vice versa, after the self-locking part is unlocked, the bidirectional threaded rod is reversed to remove the concave die and the convex die to complete the replacement, which can conveniently install and disassemble the die during die replacement, greatly shortens the die replacement time, thereby improving the equipment use efficiency and meeting the needs of frequent die replacement in production;

[0016] 2. By setting the self-locking part, when the bidirectional threaded rod rotates, the ring on it rotates, thereby driving the corresponding clamping groove to extrude the clamping block, so that the clamping block approaches the fixed block and compresses the spring telescopic rod, until the clamping block slides into the next clamping groove, the spring telescopic rod rebounds to drive the clamping block to be clamped into the clamping groove, thereby completing self-locking, the ring prevents the bidirectional threaded rod from accidentally rotating when not adjusting, and when unlocking the self-locking part, only the pull rod needs to be pulled towards the fixed block to separate the clamping block from the clamping groove, and after adjustment, the pull rod is released, the spring telescopic rod rebounds to drive the clamping block to be clamped into the corresponding clamping groove to complete self-locking, which can avoid the risk of die falling caused by accidental movement of the threaded rod, enhance the stability of the mechanism during long-term use, and ensure the safety and continuity of the stamping operation.

[0017] Of course, any product implementing the present application does not necessarily need to achieve all the advantages described above. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creating laborious work.

[0019] Figure 1 It is a front side sectional view structure schematic diagram of the present application;

[0020] Figure 2 It is a partial sectional view structure schematic diagram of the stamping machine part of the present application;

[0021] Figure 3It is partial sectional view structure schematic diagram of fixed part of the utility model;

[0022] Figure 4 It is partial sectional view structure schematic diagram of fixed part of the utility model;

[0023] Figure 5 It is the utility model Figure 4 Amplification structure schematic diagram of A.

[0024] In the drawing, the component list represented by each sign is as follows:

[0025] 1, punch press part;111, machine table;112, concave die;113, convex die;114, mounting groove;115, limiting groove;116, fixed block with groove;2, fixed part;21, transmission assembly;211, two-way threaded rod;212, disc;213, limiting slide rod;214, limiting block;215, sliding block;22, outer support assembly;221, hinged rod;222, pressing block;3, self-locking part;31, limiting assembly;311, protective shell;312, circular ring;313, clamping groove;32, elastic assembly;321, fixed block;322, spring telescopic rod;323, clamping block;324, pull rod. DETAILED DESCRIPTION

[0026] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0027] Please refer to Figures 1-5 The utility model discloses a punch press die quick replacement mechanism, including machine table 111 and the concave die 112 of setting in machine table 111, the upper portion of concave die 112 is provided with convex die 113, still including: punch press part 1, punch press part 1 sets up in machine table 111, several fixed parts 2, several fixed parts 2 are mirror image and extend to the outside of machine table 111 and set in machine table 111, and self-locking part 3, several self-locking parts 3 are mirror image and set in machine table 111, wherein, fixed part 2 and self-locking part 3 all are provided with four, punch press part 1 includes several mounting grooves 114 that set up on machine table 111, the side of mutual approach of several mounting grooves 114 all is set up with limiting groove 115, and several mounting grooves 114 all are provided with fixed block with groove 116, wherein, fixed block with groove 116, mounting groove 114 and limiting groove 115 all are provided with four, and the side of mutual approach of several fixed blocks with groove 116 is fixedly connected with concave die 112 and convex die 113 respectively.

[0028] The fixed part 2 comprises a transmission assembly 21 arranged on the corresponding mounting groove 114, and an outer support assembly 22 arranged on the inner wall of the corresponding mounting groove 114; wherein the outer support assembly 22 is provided with four, which are arranged in a circumferential array on the inner wall of the mounting groove 114, the transmission assembly 21 comprises a bidirectional threaded rod 211 arranged in the corresponding mounting groove 114, the outer wall of the bidirectional threaded rod 211 is rotatably connected with a disc 212, the right side of the disc 212 is fixedly connected with a plurality of limiting slide rods 213, and a sliding piece is arranged on the plurality of limiting slide rods 213; wherein the left side of the bidirectional threaded rod 211 extends to the outside of the mounting groove 114, the outer support assembly 22 comprises two hinged rods 221 arranged in the corresponding mounting groove 114, and the side away from the bidirectional threaded rod 211 of the two bidirectional threaded rods 211 is hingedly provided with a pressing block 222; wherein the side away from the bidirectional threaded rod 211 of the pressing block 222 abuts against the inner wall of the corresponding mounting groove 114, the sliding piece comprises a limiting block 214 fixedly connected with the right side of the plurality of limiting slide rods 213, and the outer wall of the plurality of limiting blocks 214 is slidably connected with two sliding blocks 215; wherein the bidirectional threaded rod 211 is threaded through the two sliding blocks 215, the sides away from each other of the two sliding blocks 215 are respectively hingedly connected with the two hinged rods 221, and the outer wall of the limiting block 214 is in contact with the inner wall of the limiting groove 115. By arranging the fixed part 2, the installation and disassembly operation can be conveniently performed during mold replacement, the mold replacement time is greatly shortened, the equipment use efficiency is improved, and the demand for frequent mold replacement in production is met.

[0029] The self-locking part 3 comprises a limiting assembly 31 arranged on the machine table 111, and an elastic assembly 32 arranged in the corresponding mounting groove 114; wherein the limiting assembly 31 and the elastic assembly 32 are both located on the transmission assembly 21, the limiting assembly 31 comprises a protective shell 311 fixedly connected with the right side of the disc 212, the outer wall of the bidirectional threaded rod 211 is fixedly connected with a circular ring 312, and a plurality of clamping grooves 313 are formed in the outer wall of the circular ring 312; wherein the circular ring 312 is located in the protective shell 311, the elastic assembly 32 comprises a fixed block 321 fixedly connected with the right side of the disc 212, a spring telescopic rod 322 fixedly connected with the rear side of the fixed block 321, a clamping block 323 fixedly connected with the rear side of the spring telescopic rod 322, and a pull rod 324 fixedly connected with the front side of the clamping block 323; wherein the side close to the circular ring 312 of the clamping block 323 extends to the corresponding clamping groove 313 and abuts against the inner wall thereof, a sliding groove is formed in the protective shell 311, and the pull rod 324 extends to the outside of the protective shell 311 through the sliding groove. By arranging the self-locking part 3, the risk of mold falling caused by the misoperation of the threaded rod can be avoided, the stability of the mechanism in long-term use is enhanced, and the safety and continuity of the stamping operation are ensured.

[0030] One specific application of the embodiment is: when in use, when installing the concave die 112, the two slotted fixing blocks 116 below are put into the two installation slots 114 below on the machine table 111 at this time, the concave die 112 is also placed on the machine table 111, then the fixed part 2 is inserted into an installation slot 114 through the slot on the slotted fixing block 116, so that the limiting block 214 is clamped in the limiting slot 115, then the bidirectional threaded rod 211 is rotated, the bidirectional threaded rod 211 drives the two hinged rods 221 through the two sliding blocks 215 to rotate, so that the pressing block 222 moves away from the bidirectional threaded rod 211, until the pressing block 222 contacts and extrudes the inner wall of the installation slot 114 and the slotted fixing block 116, during this process, the other three outer supporting assemblies 22 move similarly, that is, the fixed part 2 is clamped in this installation slot 114, because several pressing blocks 222 are away from the bidirectional threaded rod 211 to complete the outer supporting movement, so that the fixed part 2 cannot be taken out through the slot of the installation slot 114, and the other fixed part 2 is installed in the same way, which completes the installation of the concave die 112, the installation of the convex die 113 is the same, and vice versa, after unlocking the self-locking part 3, the bidirectional threaded rod 211 is reversed to remove the concave die 112 and the convex die 113 to complete the replacement, when the bidirectional threaded rod 211 rotates, the ring 312 thereon rotates, thereby driving the corresponding clamping slot 313 to extrude the clamping block 323, so that the clamping block 323 approaches the fixed block 321 and compresses the spring telescopic rod 322, until the clamping block 323 slides into the next clamping slot 313, the spring telescopic rod 322 rebounds to drive the clamping block 323 to be clamped in the clamping slot 313, thereby completing the self-locking, the ring 312 prevents the bidirectional threaded rod 211 from rotating accidentally when not adjusting, when unlocking the self-locking part 3, only the pull rod 324 is pulled towards the fixed block 321, so that the clamping block 323 is separated from the clamping slot 313, after adjustment, the pull rod 324 is released, the spring telescopic rod 322 rebounds to drive the clamping block 323 to be clamped in the corresponding clamping slot 313 to complete the self-locking.

[0031] In the description of the present specification, the description of the terms "one embodiment", "example", "specific example" and the like means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are contained in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0032] The preferred embodiments disclosed above are only used to help describe the utility model. The preferred embodiments do not describe all the details and do not limit the utility model to the specific embodiments. Obviously, according to the content of the specification, many modifications and changes can be made. The specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that the persons skilled in the art can well understand and utilize the utility model. The utility model is limited by the claims and the entire scope and equivalents thereof.

Claims

1. A punch die quick change mechanism of a punch press, comprising a machine table (111) and a female die (112) arranged in the machine table (111), an upper portion of the female die (112) being provided with a male die (113), characterized in that, Also include: Punching machine part (1), the punching machine part (1) is arranged on the machine table (111); Several fixed parts (2), several fixed parts (2) are mirror image arranged in the machine table (111) and extend to the outside of the machine table (111);And Self-locking part (3), several self-locking parts (3) are mirror image arranged in the machine table (111); Wherein, the fixed part (2) and the self-locking part (3) are provided with four.

2. A punch press die quick change mechanism according to claim 1 wherein, The punching machine part (1) includes several installation grooves (114) opened on the machine table (111), the side of the mutually close several installation grooves (114) is provided with a limiting groove (115), and the several installation grooves (114) are provided with a grooved fixed block (116); Wherein, the grooved fixed block (116), the installation groove (114) and the limiting groove (115) are provided with four, and the side of the mutually close several grooved fixed blocks (116) is respectively fixedly connected with the concave die (112) and the convex die (113).

3. A punch press die quick change mechanism according to claim 2 wherein, The fixed part (2) includes a transmission assembly (21), and the transmission assembly (21) is arranged on the corresponding installation groove (114);And Outer support assembly (22), the outer support assembly (22) is arranged on the inner wall of the corresponding installation groove (114); Wherein, the outer support assembly (22) is provided with four, and the four outer support assemblies (22) are distributed in a circumferential array on the inner wall of the installation groove (114).

4. A punch press die quick change mechanism according to claim 3 wherein, The self-locking part (3) includes a limiting assembly (31), and the limiting assembly (31) is arranged on the machine table (111);And Elastic assembly (32), the elastic assembly (32) is installed in the corresponding installation groove (114); Wherein, the limiting assembly (31) and the elastic assembly (32) are located on the transmission assembly (21).

5. A punch press die quick change mechanism according to claim 4 wherein, The transmission assembly (21) includes a bidirectional threaded rod (211) arranged in the corresponding installation groove (114), the outer wall of the bidirectional threaded rod (211) is rotatably connected with a disc (212), the right side of the disc (212) is fixedly connected with a plurality of limiting sliding rods (213), and a sliding piece is arranged on the plurality of limiting sliding rods (213); Wherein, the left side of the bidirectional threaded rod (211) extends to the outside of the installation groove (114).

6. A punch press die quick change mechanism according to claim 5 wherein, The outer support assembly (22) includes two hinged rods (221) arranged in the corresponding installation groove (114), and the side, away from the bidirectional threaded rod (211), of the two bidirectional threaded rods (211) is hingedly provided with a pressing block (222); Wherein, the side, away from the bidirectional threaded rod (211), of the pressing block (222) abuts against the inner wall of the corresponding installation groove (114).

7. A punch press die quick change mechanism according to claim 6 wherein, The limiting assembly (31) includes a protection shell (311) fixedly connected to the right side of the disc (212), the outer wall of the bidirectional threaded rod (211) is fixedly connected with a circular ring (312), and the outer wall of the circular ring (312) is provided with a plurality of clamping grooves (313); Wherein, the circular ring (312) is located in the protection shell (311).

8. A punch press die quick change mechanism according to claim 7 wherein, The elastic assembly (32) comprises a fixed block (321) fixedly connected to the right side of the disc (212), the rear side of the fixed block (321) is fixedly connected with a spring telescopic rod (322), the rear side of the spring telescopic rod (322) is fixedly connected with a clamping block (323), and the front side of the clamping block (323) is fixedly connected with a pull rod (324); Wherein, the side of the clamping block (323) close to the annular ring (312) extends into the corresponding clamping groove (313) and abuts against the inner wall, the protection shell (311) is provided with a sliding groove, and the pull rod (324) extends out of the protection shell (311) through the sliding groove.

9. A punch press die quick change mechanism according to claim 8 wherein, The sliding piece comprises a limiting block (214) fixedly connected to the right side of the plurality of limiting sliding rods (213), and the outer wall of the plurality of limiting blocks (214) is slidably connected with two sliding blocks (215); Wherein, the two-way threaded rod (211) is screwed through the two sliding blocks (215), the sides, away from each other, of the two sliding blocks (215) are respectively hingedly connected with the two hinged rods (221), and the outer wall of the limiting block (214) is in contact with the inner wall of the limiting groove (115).

Images