CN219648544U - Positioning structure of stamping die - Google Patents

Abstract

The utility model relates to the technical field of stamping dies, in particular to a positioning structure of a stamping die, which comprises a lower die holder, wherein positioning sleeves are arranged at four corners of the upper surface of the lower die holder; the four corners of the bottom end of the upper die holder are provided with positioning pins, and the four positioning pins are inserted into corresponding positioning sleeves; the positioning assembly is provided with two groups, the two groups of positioning assemblies are symmetrically arranged in the mounting groove formed in the lower die holder, the positioning assembly comprises a guide rail, a sliding block, a positioning seat, a guide template and a return spring, the guide rail is fixedly arranged in the mounting groove, and the sliding block is slidably arranged on the guide rail; the pressing mechanism is used for pressing the guide templates of the two groups of positioning assemblies to be close to each other, and is arranged in a through groove formed in the upper die holder. The positioning structure of the stamping die has the advantages of simple structure and automatic clamping and positioning of the material plate.

Description

Positioning structure of stamping die

Technical Field

The utility model relates to the technical field of stamping dies, in particular to a positioning structure of a stamping die.

Background

A stamping die is a special process equipment for processing a material (metal or nonmetal) into a part (or a semi-finished product) in cold stamping processing, and is called a cold stamping die (commonly called a cold stamping die). Stamping is a press working method in which a material is pressed at room temperature by a die attached to a press to be separated or plastically deformed, thereby obtaining a desired part.

The stamping die's accuracy mainly relies on its location structure, and current mould passes through locating pin and spacer sleeve location to and relevant lead mechanism, and mould location accuracy can be guaranteed well when the compound die, but can't provide synchronous positioning to the flitch of waiting to punch to the flitch is when the punching press, and consequently the removal displacement causes the punching defect.

Therefore, it is necessary to provide a new positioning structure of the stamping die to solve the above technical problems.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a positioning structure of a stamping die, which is simple in structure and capable of automatically clamping and positioning a material plate.

The positioning structure of the stamping die provided by the utility model comprises the following components: the four corners of the upper surface of the lower die holder are provided with positioning sleeves;

the four corners of the bottom end of the upper die holder are provided with positioning pins, and the four positioning pins are inserted into corresponding positioning sleeves;

the positioning assembly is provided with two groups and symmetrically arranged in the mounting groove formed in the lower die holder, the positioning assembly comprises a guide rail, a sliding block, a positioning seat, a guide die plate and a reset spring, the guide rail is fixedly arranged in the mounting groove, the sliding block is slidably arranged on the guide rail, the positioning seat is fixedly arranged on the sliding block, the guide die plate which is obliquely arranged is embedded in the outer side wall of the positioning seat, the inner side wall of the positioning seat is provided with a slot, a baffle plate is embedded in the slot, the reset spring is arranged in the mounting groove, one end of the reset spring is fixedly connected with the lower die holder, and the other end of the reset spring is fixedly connected with the sliding block;

the pressing mechanism is used for pressing the guide templates of the two groups of positioning assemblies to be close to each other, and is arranged in a through groove formed in the upper die holder.

Preferably, supporting wheels are arranged on two sides of the positioning seat.

Preferably, the baffle piece comprises a plugboard and a stop block, wherein the plugboard is fixedly arranged in the slot through a screw, and the stop block is movably arranged on the plugboard.

Preferably, the dog includes the sliding sleeve, sliding sleeve slidable mounting is on the picture peg, just the inside wall fixed mounting of sliding sleeve has the limiting plate, and the lateral wall of sliding sleeve inserts and is equipped with the pin pole, the arm-tie is installed to the one end that the pin pole deviates from the sliding sleeve, the symmetry is installed spacing spring on the arm-tie, two spacing spring deviates from the one end and the sliding sleeve fixed connection of arm-tie, evenly offered a plurality of pin holes with pin pole grafting complex on the picture peg.

Preferably, the pressing mechanism comprises a bidirectional threaded rod, a lead block, a U-shaped frame, a guide link rod, a mounting seat and a pressing roller, wherein the bidirectional threaded rod is rotationally mounted on the upper die holder, the lead block is symmetrically mounted on the bidirectional threaded rod, a threaded through hole matched with the thread of the bidirectional threaded rod is formed in the lead block and is in sliding fit with the through groove, the U-shaped frame is fixedly mounted at the bottom end of the lead block, the guide link rod is mounted on the U-shaped frame, the mounting seat is fixedly mounted at the bottom end of the guide link rod, and the pressing roller matched with the guide die plate in a contact manner is mounted on the mounting seat.

Preferably, the guide link rod is sleeved with a compression spring, one end of the compression spring is fixedly connected with the mounting seat, the other end of the compression spring is fixedly connected with the U-shaped frame, the top end of the guide link rod penetrates through the U-shaped frame, a sliding sheet is mounted through a screw, and a sliding groove which is in sliding fit with the sliding sheet is formed in the inner side wall of the U-shaped frame.

Preferably, one end of the bidirectional threaded rod is fixedly provided with a rotating handle, and a handle of the rotating handle is provided with anti-skid patterns or is sleeved with a rubber sleeve.

Compared with the related art, the positioning structure of the stamping die has the following beneficial effects:

1. the utility model provides a positioning structure of a stamping die, wherein positioning components are symmetrically arranged on a lower die holder, and the positioning components utilize a guide rail, a sliding block, a positioning seat, a supporting wheel, a guide template, a reset spring and a slot to be matched with a bidirectional threaded rod, a rotating handle, a lead block, a U-shaped frame, a guide link rod, a mounting seat, a pressing roller, a compression spring, a sliding sheet and a sliding groove of a pressing mechanism, so that a material plate is automatically clamped and positioned when the upper die holder and the lower die holder are matched, and the material plate is loosened when the die is separated, thereby improving the accuracy of stamping processing;

2. through the picture peg, dog, sliding sleeve, limiting plate, round pin pole, arm-tie, limit spring and the cooperation of pinhole of baffle, can be according to the size adjustment baffle of flitch position on the picture peg to be convenient for carry out the centre gripping location to not unidimensional flitch.

Drawings

FIG. 1 is a schematic diagram of a positioning structure of a stamping die according to a preferred embodiment of the present utility model;

FIG. 2 is a schematic view of the positioning assembly and the pressing mechanism shown in FIG. 1;

FIG. 3 is a schematic view of the stopper shown in FIG. 2;

fig. 4 is a schematic structural view of the lead block shown in fig. 2.

Reference numerals in the drawings: 1. a lower die holder; 11. a positioning sleeve; 101. a mounting groove; 2. an upper die holder; 21. a positioning pin; 201. a through groove; 3. a positioning assembly; 31. a guide rail; 32. a slide block; 33. a positioning seat; 331. a support wheel; 34. a template; 35. a return spring; 301. a slot; 4. a baffle member; 41. inserting plate; 42. a stop block; 421. a sliding sleeve; 422. a limiting plate; 423. a pin rod; 424. pulling a plate; 425. a limit spring; 401. a pin hole; 5. a pressing mechanism; 51. a two-way threaded rod; 511. a rotating handle; 52. a lead block; 53. a U-shaped frame; 54. a guide link; 55. a mounting base; 56. a pressing roller; 57. a compression spring; 58. a sliding sheet; 501. and a sliding groove.

Detailed Description

The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.

Specific implementations of the utility model are described in detail below in connection with specific embodiments.

Referring to fig. 1 to 4, a positioning structure of a stamping die according to an embodiment of the present utility model includes: the die comprises a lower die holder 1, an upper die holder 2, a positioning assembly 3, a baffle member 4 and a pressing mechanism 5.

Positioning sleeves 11 are arranged at four corners of the upper surface of the lower die holder 1, positioning pins 21 are arranged at four corners of the bottom end of the upper die holder 2, and the four positioning pins 21 are inserted into the corresponding positioning sleeves 11;

the positioning assembly 3 is provided with two groups, the two groups of positioning assemblies 3 are symmetrically arranged in an installation groove 101 formed in the lower die holder 1, the positioning assembly 3 comprises a guide rail 31, a sliding block 32, a positioning seat 33, a guide die plate 34 and a return spring 35, the guide rail 31 is fixedly arranged in the installation groove 101, the sliding block 32 is slidably arranged on the guide rail 31, the positioning seat 33 is fixedly arranged on the sliding block 32, the guide die plate 34 which is obliquely arranged is embedded on the outer side wall of the positioning seat 33, a slot 301 is formed in the inner side wall of the positioning seat 33, a baffle plate 4 is embedded in the slot 301, the return spring 35 is arranged in the installation groove 101, the end of the return spring 35 is fixedly connected with the lower die holder 1, and the other end of the return spring 35 is fixedly connected with the sliding block 32;

the pressing mechanism 5 is used for pressing the pressing mechanism 5, which is used for pressing the guide templates 34 of the two groups of positioning assemblies 3, to be close to each other, in the through groove 201 formed in the upper die holder 2, the pressing mechanism 5 comprises a bidirectional threaded rod 51, a guide block 52, a U-shaped frame 53, a guide rod 54, a mounting seat 55 and a pressing roller 56, the bidirectional threaded rod 51 is rotatably mounted on the upper die holder 2, the guide block 52 is symmetrically mounted on the bidirectional threaded rod 51, a threaded through hole matched with the bidirectional threaded rod 51 in a threaded manner is formed in the guide block 52, the guide block is in sliding fit with the through groove 201, the U-shaped frame 53 is fixedly mounted at the bottom end of the guide block 52, the guide rod 54 is mounted on the U-shaped frame 53, the mounting seat 55 is fixedly mounted at the bottom end of the guide rod 54, and the pressing roller 56 matched with the guide templates 34 in a contact manner is mounted on the mounting seat 55.

Wherein, one end of the bidirectional threaded rod 51 is fixedly provided with a rotating handle 511, and the handle of the rotating handle 511 is provided with anti-skid patterns or a rubber sleeve.

It should be noted that: when the die is used, the rotating handle 511 is rotated through the width of the stamping plate and the stamping strokes of the upper die holder 1 and the lower die holder 2, the rotating handle 511 drives the bidirectional threaded rod 51 to rotate, when the bidirectional threaded rod 51 rotates, the lead blocks 52 on two sides are driven to slide along the through groove 201, so that the position of the bottom end stamping roller 56 is adjusted, then the slide block 32 pushes the guide die plate 34 of the positioning seat 33 to be always contacted with the stamping roller 56 under the action of the spring force of the reset spring 35, after the stamping plate to be stamped is placed on the lower die holder 1, when the upper die holder 2 and the lower die holder 1 are clamped, the upper die holder 2 moves downwards, the guide die plate 34 and the guide link 54 drive the stamping roller 56 to synchronously move downwards, and in the moving process, the guide die plate 34 which is arranged in a pressing inclined manner drives the positioning seat 33 to be close to a material, and the baffle 4 is driven to clamp and fix the stamping plate, so that the stamping positioning precision is improved.

In the embodiment of the present utility model, referring to fig. 1 and 2, the supporting wheels 331 are installed on two sides of the positioning seat 33.

It should be noted that: thus, the positioning seat 33 is in rolling fit with the lower die holder 1 through the supporting wheels 331 on two sides, so that the positioning seat 33 is supported in an auxiliary manner, and the moving supporting stability of the positioning seat is improved.

In the embodiment of the present utility model, referring to fig. 1, 2 and 3, the baffle member 4 includes a plug board 41 and a stop block 42, the plug board 41 is fixedly installed in the slot 301 by a screw, and the stop block 42 is movably installed on the plug board 41;

wherein, dog 42 includes sliding sleeve 421, sliding sleeve 421 slidable mounting on picture peg 41, and sliding sleeve 421's inside wall fixed mounting has limiting plate 422, and sliding sleeve 421's lateral wall inserts and is equipped with round pin pole 423, and the arm-tie 424 is installed to the one end that round pin pole 423 deviates from sliding sleeve 421, installs spacing spring 425 on the arm-tie 424 symmetrically, and two spacing springs 425 deviate from the one end and sliding sleeve 421 fixed connection of arm-tie 424, evenly offer a plurality of pin holes 401 with round pin pole 423 grafting complex on picture peg 41.

It should be noted that: when the baffle plate member 4 is used, according to the size of a stamping material plate, the pulling plate 424 is pulled outwards, then the pin rod 423 is pulled out of the pin hole 401 formed in the plug plate 41, then the sliding sleeve 421 is driven to slide to a proper position along the plug plate 41, then the pulling plate 424 is loosened to enable the pin rod 423 to be aligned with the pin hole 401 at a new position, the pulling plate 424 is limited to be stably inserted into the pin hole 401 under the action of the limiting spring 425, the limitation of the sliding sleeve 421 is completed, the limiting plate 422 of the baffle plate member 4 is conveniently used for contacting the outer side of the stamping material plate, the stamping material plate is clamped and positioned, and therefore the position of the limiting plate 422 can be flexibly adjusted, the stamping position is avoided, and stamping interference is avoided.

In the embodiment of the present utility model, referring to fig. 1 and 4, a compression spring 57 is sleeved on a guide rod 54, one end of the compression spring 57 is fixedly connected with a mounting seat 55, the other end of the compression spring 57 is fixedly connected with a U-shaped frame 53, the top end of the guide rod 54 passes through the U-shaped frame 53 and is provided with a sliding sheet 58 through a screw, and a sliding groove 501 in sliding fit with the sliding sheet 58 is formed in the inner side wall of the U-shaped frame 53.

It should be noted that: under the spring force of the compression spring 57, the mounting seat 55 drives the pressing roller 56 to downwards contact the guide plate 34, when the die assembly is continued, the guide plate 34 is pressed, the positioning seat 33 drives the baffle plate 4 to clamp and position the stamping material plate, when the upper die holder 2 is further used for stamping and die assembly, the positioning seat 33 is positioned in place, the mounting seat 55 upwards presses the compression spring 57, the guide link rod 54 drives the sliding sheet 58 to upwards synchronously slide along the sliding groove 501, so that the positioning component 3 can not excessively press the stamping material plate after positioning the stamping material plate, when die assembly is continued, the additional deformation of the stamping material plate is caused, and when the accurate positioning of the stamping material plate is ensured, the stamping quality is further improved.

The working principle of the positioning structure of the stamping die provided by the utility model is as follows:

during use, the rotating handle 511 is rotated through the width of the stamping plate and the stamping stroke of the upper die holder 1 and the lower die holder 2, the rotating handle 511 drives the bidirectional threaded rod 51 to rotate, when the bidirectional threaded rod 51 rotates, the guide blocks 52 on two sides are driven to slide along the through grooves 201, so that the position of the bottom pressing roller 56 is adjusted, then the sliding block 32 pushes the guide plate 34 of the positioning seat 33 to be always contacted with the pressing roller 56 under the action of the spring force of the reset spring 35, then after the stamping plate to be stamped is placed on the lower die holder 1, when the upper die holder 2 and the lower die holder 1 are clamped, the upper die holder 2 moves downwards, the guide block 52 and the guide rod 54 drive the pressing roller 56 to synchronously move downwards, during the movement, the mounting seat 55 drives the pressing roller 56 to downwards contact the guide plate 34 under the action of the spring force of the compression spring 57, and when the die clamping is continued, the positioning seat 33 is positioned after the upper die holder 2 is further stamped, the mounting seat 55 presses the compression spring 57 upwards, and drives the sliding plate 54 to drive the sliding rod 58 to slide along the guide rod 501, so that the stamping plate is positioned accurately, and the stamping plate is positioned when the stamping plate is extruded continuously, and the stamping plate is positioned continuously, and the stamping assembly is positioned accurately is prevented from being extruded and deformed;

when the baffle plate member 4 is used, according to the size of a stamping material plate, the pulling plate 424 is pulled outwards, then the pin rod 423 is pulled out of the pin hole 401 formed in the plug plate 41, then the sliding sleeve 421 is driven to slide to a proper position along the plug plate 41, then the pulling plate 424 is loosened to enable the pin rod 423 to be aligned with the pin hole 401 at a new position, the pulling plate 424 is limited to be stably inserted into the pin hole 401 under the action of the limiting spring 425, the limitation of the sliding sleeve 421 is completed, the limiting plate 422 of the baffle plate member 4 is conveniently used for contacting the outer side of the stamping material plate, the stamping material plate is clamped and positioned, and therefore the position of the limiting plate 422 can be flexibly adjusted, the stamping position is avoided, and stamping interference is avoided.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structures or equivalent processes or direct or indirect application in other related technical fields are included in the scope of the present utility model.

Claims (7)

1. A positioning structure of a stamping die, comprising:

the device comprises a lower die holder (1), wherein positioning sleeves (11) are arranged at four corners of the upper surface of the lower die holder (1);

the upper die holder (2), locating pins (21) are installed at four corners of the bottom end of the upper die holder (2), and the four locating pins (21) are inserted into corresponding locating sleeves (11);

characterized by further comprising:

the positioning assembly (3) is provided with two groups, the two groups of positioning assemblies (3) are symmetrically arranged in the mounting groove (101) formed in the lower die holder (1), the positioning assembly (3) comprises a guide rail (31), a sliding block (32), a positioning seat (33), a guide plate (34) and a reset spring (35), the guide rail (31) is fixedly arranged in the mounting groove (101), the sliding block (32) is slidably arranged on the guide rail (31), the positioning seat (33) is fixedly arranged on the sliding block (32), the guide plate (34) which is obliquely arranged is embedded in the outer side wall of the positioning seat (33), the slot (301) is formed in the inner side wall of the positioning seat (33), the baffle piece (4) is embedded in the slot (301), the reset spring (35) is arranged in the mounting groove (101), one end of the reset spring (35) is fixedly connected with the lower die holder (1), and the other end of the reset spring (35) is fixedly connected with the sliding block (32).

The pressing mechanism (5) is used for pressing the guide templates (34) of the two groups of positioning assemblies (3) to be close to each other, and the pressing mechanism (5) is arranged in a through groove (201) formed in the upper die holder (2).

2. The positioning structure of a stamping die according to claim 1, wherein supporting wheels (331) are mounted on both sides of the positioning seat (33).

3. The positioning structure of the stamping die according to claim 1, wherein the baffle member (4) comprises a plugboard (41) and a stopper (42), the plugboard (41) is fixedly mounted in the slot (301) through a screw, and the stopper (42) is movably mounted on the plugboard (41).

4. The positioning structure of a stamping die according to claim 3, wherein the stop block (42) comprises a sliding sleeve (421), the sliding sleeve (421) is slidably mounted on the inserting plate (41), a limiting plate (422) is fixedly mounted on the inner side wall of the sliding sleeve (421), a pin rod (423) is inserted into the outer side wall of the sliding sleeve (421), a pulling plate (424) is mounted at one end, deviating from the sliding sleeve (421), of the pin rod (423), limiting springs (425) are symmetrically mounted on the pulling plate (424), one end, deviating from the pulling plate (424), of each limiting spring (425) is fixedly connected with the sliding sleeve (421), and a plurality of pin holes (401) in insertion fit with the pin rod (423) are uniformly formed in the inserting plate (41).

5. The positioning structure of a stamping die according to claim 1, wherein the pressing mechanism (5) comprises a bidirectional threaded rod (51), a lead block (52), a U-shaped frame (53), a lead rod (54), a mounting seat (55) and a pressing roller (56), the bidirectional threaded rod (51) is rotatably mounted on the upper die holder (2), the lead block (52) is symmetrically mounted on the bidirectional threaded rod (51), a threaded through hole matched with the bidirectional threaded rod (51) in a threaded manner is formed in the lead block (52) and is in sliding fit with the through groove (201), a U-shaped frame (53) is fixedly mounted at the bottom end of the lead block (52), a lead rod (54) is mounted on the U-shaped frame (53), the mounting seat (55) is fixedly mounted at the bottom end of the lead rod (54), and the pressing roller (56) matched with the lead die plate (34) in a contact manner is mounted on the mounting seat (55).

6. The positioning structure of a stamping die according to claim 5, wherein a compression spring (57) is sleeved on the guide link rod (54), one end of the compression spring (57) is fixedly connected with the mounting seat (55), the other end of the compression spring (57) is fixedly connected with the U-shaped frame (53), the top end of the guide link rod (54) penetrates through the U-shaped frame (53) and is provided with a sliding sheet (58) through a screw, and a sliding groove (501) which is in sliding fit with the sliding sheet (58) is formed in the inner side wall of the U-shaped frame (53).

7. The positioning structure of the stamping die according to claim 5, wherein one end of the bidirectional threaded rod (51) is fixedly provided with a rotating handle (511), and a grip of the rotating handle (511) is provided with an anti-skid pattern or a rubber sleeve.