Trimming die

Abstract

The utility model relates to a trimming die which comprises a die holder, a cutter holder, a bearing seat and a cutter, the cutter holder is arranged in the die holder, and the cutter holder moves relative to the die holder; the bearing seat is arranged in the die holder, the bearing seat and the tool apron are oppositely arranged, the bearing seat is provided with a containing space used for containing parts, a through hole extending away from the tool apron is formed in the bearing seat, the through hole is communicated with the containing space, and the containing space is provided with a receding hole corresponding to the through hole; the tool is arranged on the side, close to the bearing base, of the tool apron and comprises a grinding part and a punching part which are sequentially arranged in the vertical direction, and the end, away from the grinding part, of the punching part extends into the through hole. When the cutter is used for punching, the hole edge is polished through the polishing part, so that the machining procedures can be reduced, the labor intensity of workers can be reduced, and the working efficiency can be improved.

Description

Technical Field

[0001] The utility model relates to the technical field of stamping, in particular to a trimming die. Background Art

[0002] In the punching production process of parts, the waste needs to be cut off so that it can be effectively discharged. However, after the punching is completed, there are many burrs or uneven defects on the edge of the hole, resulting in high roughness.

[0003] Currently, the burrs or uneven areas are manually ground and then polished. However, manual processing: first, it relies on experience, and the slightest carelessness may cause the aperture deviation to be too large, resulting in an increase in the scrap rate; second, it is time-consuming and labor-intensive, which will increase labor intensity and reduce work efficiency. Utility Model Content

[0004] Based on the above description, the utility model provides a trimming die, which aims to solve the problems of high scrap rate and low efficiency in the existing manual processing of hole edges of parts.

[0005] The technical solution of the utility model to solve the above technical problems is as follows:

[0006] A trimming die, comprising:

[0007] Die base;

[0008] A knife seat is disposed in the mold seat, and the knife seat moves relative to the mold seat;

[0009] A bearing seat is arranged in the mold base, the bearing seat is arranged opposite to the knife seat, the bearing seat has a receiving space for placing parts, a through hole extending away from the knife seat is opened on the bearing seat, and the through hole is connected with the receiving space, and the receiving space is provided with a clearance hole corresponding to the through hole;

[0010] The tool is arranged on one side of the tool holder close to the bearing seat, and the tool comprises a grinding part and a punching part which are arranged in sequence along the vertical direction, and one end of the punching part away from the grinding part extends into the through hole.

[0011] On the basis of the above technical solution, the present invention can also be improved as follows.

[0012] Furthermore, the tool holder is provided with a plurality of mounting holes distributed in an array, each of the mounting holes is provided with a guide assembly, the guide assembly comprises a guide sleeve and a guide rod, the guide sleeve is sleeved on the guide rod, the guide sleeve moves relative to the guide rod, and one end of the guide rod is connected to the mold base.

[0013] Furthermore, the guide assembly includes an elastic member, which is sleeved on the guide rod, one end of the elastic member abuts against the knife seat, and the other end of the elastic member abuts against the mold seat.

[0014] Further, the bearing seat includes a first plate body and a second plate body arranged in sequence, a first groove is formed on a side of the first plate body opposite to the second plate body, and a second groove is formed on a side of the second plate body opposite to the first plate body, when the first plate body and the second plate body are assembled, the first groove and the second groove together form a complete accommodating space, the through hole is formed on the first plate body, and the make way hole is formed in the second groove.

[0015] Furthermore, the punching portion includes a first punching section, a transition section and a second punching section which are sequentially arranged facing the polishing portion.

[0016] Furthermore, it comprises a grinding seat, and the grinding seat is arranged on a side of the first plate body close to the tool.

[0017] Furthermore, it includes a baffle and at least one pair of limiting assemblies, the tool holder is provided with a slide groove extending away from the grinding seat, the grinding seat is provided with a slider on the side away from the tool, the slider is slidably matched with the slide groove, the baffle is arranged in the slide groove and is located at one end of the slider away from the grinding seat, and at least one pair of limiting assemblies are connected to the baffle and the tool holder.

[0018] Furthermore, the limiting assembly includes two relatively arranged pin seats and a latch, one of the pin seats is arranged on the baffle, and the other pin seat is arranged on the knife seat, and one end of the latch pin is inserted into the two pin seats in sequence.

[0019] Compared with the prior art, the technical solution of this application has the following beneficial technical effects:

[0020] (1) The tool of the present application can grind the edge of the hole through the grinding part while punching the hole, which can reduce the roughness. It can not only reduce the processing steps, reduce the labor intensity of the staff, improve the work efficiency, but also save time for the subsequent polishing process.

[0021] (2) The punching part of the present application can reduce the punching force and the impact on the periphery of the hole through a gradual punching method. This can reduce the burrs on the edge of the hole and facilitate the grinding of the grinding part.

[0022] (3) In this application, while grinding the edge of the hole, the grinding seat can grind the arc edge of the component to reduce the roughness. This can not only reduce the processing steps, reduce the labor intensity of the staff, improve work efficiency, but also save time for the subsequent polishing process. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a general assembly diagram of a trimming die provided in an embodiment of the utility model;

[0024] Figure 2 It is a vertical cross-sectional view of a trimming die provided in an embodiment of the utility model;

[0025] Figure 3 This is a schematic diagram of the structure of the knife holder in the embodiment of the utility model;

[0026] Figure 4 It is a structural schematic diagram of the bearing seat in the embodiment of the utility model;

[0027] Figure 5 This is a schematic diagram of the structure of the second plate body in the embodiment of the utility model;

[0028] Figure 6 It is a front view of a tool in an embodiment of the utility model;

[0029] Figure 7 This is a schematic diagram of the structure of the grinding seat in the embodiment of the utility model;

[0030] Figure 8 It is a schematic diagram of the structure of the baffle and the limiting assembly in the embodiment of the utility model.

[0031] In the accompanying drawings, the components represented by the reference numerals are listed as follows:

[0032] 10. Mold base;

[0033] 20, knife seat; 201, mounting hole; 202, slide groove; 21, guide assembly; 211, guide sleeve; 212, guide rod; 213, elastic member;

[0034] 30. bearing seat; 301. accommodating space; 302. through hole; 303. clearance hole; 31. first plate body; 32. second plate body;

[0035] 40. tool; 41. grinding part; 42. punching part; 421. first punching section; 422. transition section; 423. second punching section;

[0036] 50. Grinding seat; 51. Sliding block;

[0037] 60. Baffle;

[0038] 70. Limiting assembly; 71. Pin holder; 72. Latch pin. DETAILED DESCRIPTION

[0039] In order to facilitate understanding of the present application, the present application will be described more fully below with reference to the relevant drawings. Embodiments of the present application are provided in the drawings. However, the present application can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present application more thorough and comprehensive.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art to which this application belongs. The terms used herein in the specification of this application are only for the purpose of describing specific embodiments and are not intended to limit this application.

[0041] It will be appreciated that spatial relationship terms such as "under," "beneath," "below," "under," "above," "above," etc., may be used herein to describe the relationship of an element or feature shown in the figures to other elements or features. It will be appreciated that, in addition to the orientations shown in the figures, spatial relationship terms also include different orientations of the device in use and operation. For example, if the device in the accompanying drawings is flipped, an element or feature described as "under other elements" or "under it" or "under it" will be oriented as being "above" the other elements or features. Thus, the exemplary terms "under" and "under" may include both upper and lower orientations. In addition, the device may also include additional orientations (e.g., rotated 90 degrees or other orientations), and the spatial descriptors used herein are interpreted accordingly.

[0042] When used herein, the singular forms "a", "an", and "said / the" may also include plural forms, unless the context clearly indicates otherwise. It should also be understood that the terms "include / comprise" or "have" etc. specify the presence of stated features, wholes, steps, operations, components, parts or combinations thereof, but do not exclude the possibility of the presence or addition of one or more other features, wholes, steps, operations, components, parts or combinations thereof.

[0043] Refer to the attached Figure 1~2As shown, the utility model provides a technical solution: a trimming mold, comprising a mold base 10, a knife base 20, a bearing seat 30 and a knife 40, the knife base 20 is arranged in the mold base 10, and the knife base 20 moves relative to the mold base 10; the bearing seat 30 is arranged in the mold base 10, and the bearing seat 30 is arranged opposite to the knife base 20, the bearing seat 30 has a receiving space 301 for placing parts, and a through hole 302 extending away from the knife base 20 is opened on the bearing seat 30, and the through hole 302 is connected with the receiving space 301, and a clearance hole 303 is provided in the receiving space 301 corresponding to the through hole 302; the knife 40 is arranged on a side of the knife base 20 close to the bearing seat 30, and the knife 40 includes a grinding part 41 and a punching part 42 arranged in sequence along the vertical direction, and an end of the punching part 42 away from the grinding part 41 extends into the through hole 302.

[0044] Exemplarily, the grinding part 41 may be a grinding rod, or may be composed of a shaft and sandpaper disposed on the surface of the shaft. The punching part 42 may be a punching knife, etc. The die holder 10 may be provided with a linear drive mechanism, which is used to drive the knife holder 20 to move in a vertical direction; wherein the linear drive mechanism is a cylinder, a hydraulic cylinder, an electric cylinder or an electric push rod, etc.

[0045] According to this embodiment, the component is placed in the accommodating space 301, and the tool holder 20 is pushed by the linear drive mechanism to move toward the bearing seat 30. The component is punched by the punching portion 42; then, when the tool holder 20 continues to move and resets, the grinding portion 41 contacts the hole edge and grinds the burrs on the hole edge, thereby reducing the roughness of the hole edge.

[0046] Refer to the attached Figure 1~2 As shown, in some embodiments, a plurality of mounting holes 201 distributed in an array are provided on the tool holder 20, and a guide assembly 21 is provided in each mounting hole 201. The guide assembly 21 includes a guide sleeve 211 and a guide rod 212. The guide sleeve 211 is sleeved on the guide rod 212, and the guide sleeve 211 moves relative to the guide rod 212. One end of the guide rod 212 is connected to the mold base 10.

[0047] According to this embodiment, when the knife holder 20 moves, the knife holder 20 can maintain linear movement through the sliding cooperation between the guide sleeve 211 and the guide rod 212, thereby preventing the knife holder 20 from deviating and causing low punching accuracy.

[0048] Refer to the attached Figure 1~2 As shown, in some embodiments, the guide assembly 21 includes an elastic member 213 , which is sleeved on the guide rod 212 , one end of the elastic member 213 abuts against the knife holder 20 , and the other end of the elastic member 213 abuts against the mold holder 10 .

[0049] Exemplarily, the elastic member 213 may be a spring or the like.

[0050] According to this embodiment, the elastic member 213 can play a buffering role on the knife holder 20 to prevent the knife holder 20 from excessively moving and damaging the knife 40 .

[0051] Refer to the attached Figure 1~2 As shown in Figures 4 to 5, in some embodiments, the supporting seat 30 includes a first plate body 31 and a second plate body 32 which are arranged in sequence, a first groove is provided on a side of the first plate body 31 opposite to the second plate body 32, and a second groove is provided on a side of the second plate body 32 opposite to the first plate body 31. When the first plate body 31 and the second plate body 32 are assembled, the first groove and the second groove together form a complete accommodating space 301, a through hole 302 is formed on the first plate body 31, and a make way hole 303 is formed in the second groove.

[0052] According to this embodiment, the split-type design of the bearing seat 30 facilitates the disassembly and assembly of the bearing seat 30 , thereby providing convenience for replacing the bearing seat 30 with the accommodating space 301 of different specifications.

[0053] Refer to the attached Figure 6 As shown, in some embodiments, the punching portion 42 includes a first punching section 421 , a transition section 422 , and a second punching section 423 which are sequentially arranged facing the polishing portion 41 , and a diameter of the first punching section 421 is smaller than a diameter of the second punching section 423 .

[0054] According to this embodiment, the punching force can be reduced by a gradual punching method, and the impact on the periphery of the hole can be reduced, thereby reducing the burrs on the edge of the hole, which is beneficial to the grinding of the grinding part 41.

[0055] Refer to the attached Figure 2 and 7 As shown, in some embodiments, a grinding seat 50 is included, and the grinding seat 50 is disposed on a side of the first plate body 31 close to the tool 40 .

[0056] For example, the grinding seat 50 and the knife seat 20 may be detachably connected, etc. The grinding seat 50 may be composed of a block structure and a grinding sheet or a grinding paper arranged on the arc surface of the block structure.

[0057] According to this embodiment, while grinding the hole edge, the grinding seat 50 can grind the arc edge of the component to reduce the roughness, thereby reducing the labor intensity of the staff.

[0058] Refer to the attached Figures 2~5As shown in Figures 7-8, in some embodiments, a baffle plate 60 and at least one pair of limiting assemblies 70 are included. A slide groove 202 extending away from the grinding seat 50 is provided on the tool holder 20. A slider 51 is provided on the side of the grinding seat 50 away from the tool 40. The slider 51 slides in cooperation with the slide groove 202. The baffle plate 60 is disposed in the slide groove 202 and is located at one end of the slider 51 away from the grinding seat 50. At least one pair of limiting assemblies 70 are connected to the baffle plate 60 and the tool holder 20.

[0059] Exemplarily, the limiting assembly 70 may be a bolt or a screw.

[0060] According to this embodiment, the sliding cooperation between the slider 51 and the slide groove 202 facilitates the disassembly and assembly of the grinding seat 50, thereby facilitating the replacement of the grinding seat 50 with different arc edges.

[0061] Refer to the attached Figure 8 As shown, in some embodiments, the limiting assembly 70 includes two relatively arranged pin seats 71 and a latch 72, one of the pin seats 71 is arranged on the baffle 60, and the other pin seat 71 is arranged on the knife seat 20, and one end of the latch 72 is inserted into the two pin seats 71 in sequence.

[0062] According to this embodiment, the baffle 60 can be easily disassembled and assembled through the cooperation between the latch 72 and the two pin seats 71, thereby improving work efficiency.

[0063] The above are only preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A trimming die, characterized in that: include: Die base (10); A knife seat (20) is arranged in the mold seat (10), and the knife seat (20) moves relative to the mold seat (10); A bearing seat (30) is arranged in the mold base (10), the bearing seat (30) is arranged opposite to the knife seat (20), the bearing seat (30) has a receiving space (301) for placing parts, the bearing seat (30) is provided with a through hole (302) extending away from the knife seat (20), and the through hole (302) is connected to the receiving space (301), and the receiving space (301) is provided with a clearance hole (303) corresponding to the through hole (302); A tool (40) is arranged on a side of the tool holder (20) close to the bearing seat (30), the tool (40) comprising a grinding portion (41) and a punching portion (42) arranged in sequence along a vertical direction, and an end of the punching portion (42) away from the grinding portion (41) extends into the through hole (302).

2. A trimming die according to claim 1, characterized in that: The knife seat (20) is provided with a plurality of mounting holes (201) distributed in an array, each mounting hole (201) is provided with a guide assembly (21), the guide assembly (21) comprises a guide sleeve (211) and a guide rod (212), the guide sleeve (211) is sleeved on the guide rod (212), the guide sleeve (211) moves relative to the guide rod (212), and one end of the guide rod (212) is connected to the mold seat (10).

3. A trimming die according to claim 2, characterized in that: The guide assembly (21) comprises an elastic member (213), the elastic member (213) being sleeved on the guide rod (212), one end of the elastic member (213) being in contact with the knife seat (20), and the other end of the elastic member (213) being in contact with the mold seat (10).

4. A trimming die according to claim 1, characterized in that: The bearing seat (30) comprises a first plate body (31) and a second plate body (32) which are arranged in sequence, a first groove is formed on a side of the first plate body (31) opposite to the second plate body (32), and a second groove is formed on a side of the second plate body (32) opposite to the first plate body (31), and when the first plate body (31) and the second plate body (32) are assembled, the first groove and the second groove together form a complete accommodating space (301), the through hole (302) is formed on the first plate body (31), and the clearance hole (303) is formed in the second groove.

5. A trimming die according to claim 1, characterized in that: The punching portion (42) comprises a first punching section (421), a transition section (422) and a second punching section (423) which are sequentially arranged facing the polishing portion (41).

6. A trimming die according to claim 4, characterized in that: It comprises a grinding seat (50), wherein the grinding seat (50) is arranged on a side of the first plate body (31) close to the tool (40).

7. A trimming die according to claim 6, characterized in that: The invention comprises a baffle (60) and at least one pair of limiting assemblies (70); a slide groove (202) extending away from the grinding seat (50) is provided on the tool seat (20); a slider (51) is provided on the side of the grinding seat (50) away from the tool (40); the slider (51) is slidably matched with the slide groove (202); the baffle (60) is arranged in the slide groove (202) and is located at one end of the slider (51) away from the grinding seat (50); and at least one pair of limiting assemblies (70) is connected to the baffle (60) and the tool seat (20).

8. A trimming die according to claim 7, characterized in that: The limiting assembly (70) comprises two pin seats (71) and a latch (72) which are arranged opposite to each other, wherein one of the pin seats (71) is arranged on the baffle (60), and the other of the pin seats (71) is arranged on the knife seat (20), and one end of the latch (72) is inserted into the two pin seats (71) in sequence.

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