Clamping device of stamping die

By designing a clamping device for stamping dies, the clamping components and lead screw system are used to achieve rapid die fixing and position control, solving the problems of poor die adaptability and complex installation in the existing technology, and improving processing efficiency and stability.

CN224101654UActive Publication Date: 2026-04-10GAOJIN TIANJIN AUTOMOTIVE EQUIP CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-12
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

Existing stamping dies are difficult to adapt to small-scale processing of sheet metal parts of various specifications, and the process of installing them into hydraulic presses is complicated. The dies are also prone to displacement or loosening during operation.

Method used

A clamping device for stamping dies was designed, which uses a clamping assembly and a lead screw system to achieve rapid fixing and position control of the die. The die is fixed to the support plate by the clamping assembly, and the movement of the clamping assembly is controlled by the lead screw, thereby reducing the complexity of operation.

Benefits of technology

It enables quick mold replacement and fixation, reduces the operational complexity of small-batch processing of multi-specification sheet metal parts, and ensures that the mold does not shift or loosen during operation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model provides a clamping device of a stamping die, which comprises a bottom plate, a clamping device, a clamping device and a clamping device. A bearing plate used for bearing the stamping die is fixedly arranged on one end face of the bottom plate, and a lead screw is arranged on the other end face of the bottom plate; the number of the clamping assemblies is two, the two clamping assemblies are symmetrically arranged on the two sides of the bearing plate, driven blocks are fixedly arranged on the end faces, close to the bottom plate, of the clamping assemblies, and the driven blocks penetrate through the bottom plate to be in threaded connection with the lead screws; a clamping position used for clamping a stamping die is formed between the two clamping assemblies. The stamping die fixing device has the advantages that the stamping die is fixed to the bearing plate through the clamping assembly, replacement of the stamping die is facilitated, the clamping assembly is controlled to move through the lead screw, rapid fixing of the stamping die is achieved, and the operation complexity of operators in the small-batch machining process of multi-specification sheet metal parts is reduced.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to sheet metal processing field, especially a kind of clamping device of stamping die. BACKGROUND

[0002] The purpose of stamping die is mainly to make metal plate to occur plastic deformation by exerting pressure, so that the required shape and size of parts are obtained, which is widely used in the processing of metal plate, especially in the automobile, household appliance, electronic and other industries, for mass production of various metal parts, such as body parts, household appliance shell, electronic product shell, etc., and through stamping die, metal plate can be processed into various complex shapes, including bending, drawing, punching, cutting, etc. This makes the die play a very important role in manufacturing industry, and can produce shape accurate and design requirement met parts.

[0003] However, the existing stamping die can only perform one specification of processing operation, and the process of installing stamping die into hydraulic machine is relatively complicated, and it is difficult to adapt to small-scale processing of various specifications of sheet metal parts, so a clamping device of stamping die is needed, mainly used for fixing die during stamping process, to ensure that the die does not displace or loosen during work, through the fixing effect of clamping device. CONTENT OF THE UTILITY MODEL

[0004] Therefore, the utility model aims at providing a clamping device of stamping die to solve at least one of the above technical problems.

[0005] To achieve the above purpose, the technical scheme of the utility model is as follows:

[0006] A clamping device of stamping die, comprising:

[0007] The bottom plate is provided with a bearing plate for bearing stamping die on one end face, and a lead screw on the other end face;

[0008] The clamping assembly is symmetrical on both sides of the bearing plate, and the driven block is fixed on the end face of the clamping assembly close to the bottom plate, and the driven block is threadedly connected with the lead screw through the bottom plate;

[0009] The clamping position for clamping stamping die is formed between the two clamping assemblies.

[0010] Further, the bottom plate is provided with a guide hole corresponding to the driven block, and one end of the driven block is fixedly connected with the clamping assembly, and the other end penetrates the guide hole and is fixedly connected with the driving block;

[0011] The driving block is provided with a threaded hole corresponding to the screw rod, and the driving block is threadedly connected with the screw rod.

[0012] Further, the bottom plate is provided with guide rails, and the guide rails are symmetrically distributed on both sides of the bearing plate.

[0013] Further, the middle position of the end of the bottom plate away from the bearing plate is provided with a rotating block, the rotating block is provided with a rotating hole, and the screw rod is located inside the rotating hole.

[0014] The bottom plate is provided with a stabilizing block away from the end of the bearing plate, the stabilizing block is provided with a stabilizing hole corresponding to the screw rod, and the screw rod penetrates the stabilizing hole.

[0015] One end of the screw rod is fixedly connected with the power output end of the motor.

[0016] Further, the part of the screw rod located at one end of the rotating hole is provided with an external thread corresponding to one driven block, the part of the screw rod located at the other end of the rotating hole is provided with an external thread corresponding to another driven block, and the external threads located at both ends of the rotating hole are provided in opposite directions.

[0017] Further, the clamping assembly comprises:

[0018] The clamping block is fixedly connected to the end surface of the clamping block close to the bottom plate, and the clamping block is provided with a sliding hole inside.

[0019] The buffer plate is provided on the side of the clamping block close to the bearing plate, and the buffer plate is provided with a sliding column corresponding to the sliding hole.

[0020] The mounting plate is fixedly connected to the side of the clamping block away from the bearing plate, and the mounting plate is provided with a through hole corresponding to the threaded groove.

[0021] Further, the compression spring is located inside the sliding hole, one end of the compression spring is fixedly connected with the mounting plate, and the other end of the compression spring is fixedly connected with the sliding column.

[0022] Further, both ends of the clamping block are provided with limiting grooves, both sides of the buffer plate are bent towards the clamping block to form hooks corresponding to the limiting grooves, and the hooks are located inside the limiting grooves.

[0023] Further, the bearing plate is provided with a sliding groove on the end away from the bottom plate, and the sliding groove is provided with a positioning plate.

[0024] The columnar groove is communicated with the sliding groove in the bearing plate along the direction of the positioning plate moving, the screw rod is arranged in the columnar groove, the positioning plate is in threaded connection with the screw rod, one end of the screw rod is in rotary connection with the bottom surface of the columnar groove, and the other end is located outside the bearing plate and is fixedly provided with a knob.

[0025] Further, the edge portion of the bottom plate is fixedly provided with a top column, and the height of the top column is greater than the distance from the top of the clamping assembly to the bottom plate.

[0026] Compared with the prior art, the clamping device of the stamping die has the following beneficial effects:

[0027] The stamping die is fixed on the bearing plate through the clamping assembly, the replacement of the stamping die is facilitated, the movement of the clamping assembly is controlled through the lead screw, the stamping die is quickly fixed, and the operation complexity of an operator in the process of small-batch processing of multiple specifications of sheet metal parts is reduced. BRIEF DESCRIPTION OF DRAWINGS

[0028] The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0029] Figure 1 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0030] Figure 2 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0031] Figure 3 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0032] Figure 4 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0033] Figure 5 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0034] Figure 6 The accompanying drawings, which form a part of this application, are included to provide a further understanding of the application, and are incorporated herein for illustration only. The embodiments of the present application and the description thereof are presented for the purpose of enabling one of ordinary skill in the art to make and use the application and to incorporate it into other walkways as suited to the particular use, but the scope of the present application is defined by the claims.

[0035] Legend of the drawings:

[0036] 1, bottom plate; 101, guide hole; 102, guide rail; 103, rotating block; 104, stabilizing block; 2, clamping assembly; 201, sliding block; 202, clamping block; 203, buffer plate; 204, mounting plate; 205, sliding column; 206, limiting groove; 3, bearing plate; 301, sliding groove; 302, positioning plate; 4, lead screw; 5, driven block; 501, driving block; 6, jacking column. DETAILED DESCRIPTION

[0037] It should be noted that the embodiments in the utility model and the features in the embodiments can be combined with each other without conflict.

[0038] In the description of the utility model, it should be understood that the orientation or position relationship indicated by the terms 'center', 'longitudinal', 'transverse', 'upper', 'lower', 'front','rear', 'left', 'right','vertical', 'horizontal', 'top', 'bottom', 'inner', 'outer' and the like is the orientation or position relationship shown based on the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as indicating or implying that the devices or elements indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the utility model. In addition, the terms 'first','second' and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features limited by 'first','second' and the like can explicitly or implicitly include one or more features. In the description of the utility model, unless otherwise specified, the meaning of 'a plurality of' is two or more.

[0039] In the description of the utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms'mounting', 'connection', 'connection' should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication inside two elements. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0040] The utility model will be described in detail below with reference to the drawings and in combination with the embodiments.

[0041] A clamping device of a stamping die, comprising:

[0042] A bottom plate 1, one end face of the bottom plate 1 is fixed with a bearing plate 3 for bearing a stamping die, and the other end face is provided with a lead screw 4;

[0043] Clamping assembly 2, two, two clamping assembly 2 is symmetrically arranged on both sides of the bearing plate 3, clamping assembly 2 is close to the end face of the bottom plate 1 is fixed with driven block 5, the driven block 5 through the bottom plate 1 and screw 4 is connected with the screw;

[0044] Two said clamping assembly 2 between the clamping position for clamping stamping die is formed.

[0045] In some embodiments, the screw 4 outside is provided with the corresponding locking device, when the locking device is locked, the screw 4 can't rotate, unlock can rotate.

[0046] The bottom plate 1 is opened with the corresponding guide hole 101 of the driven block 5, one end of the driven block 5 is fixedly connected with the clamping assembly 2, and the other end is fixedly connected with the driving block 501 through the guide hole 101;

[0047] The driving block 501 is opened with the corresponding threaded hole of the screw 4, the driving block 501 is connected with the screw 4 in screw, and the end face of the driving block 501 is close to the bottom plate 1.

[0048] The bottom plate 1 is fixedly provided with guide rail 102, the guide rail 102 is provided with a plurality of, a plurality of guide rail 102 is symmetrically distributed on both sides of the bearing plate 3, the clamping assembly 2 is close to the end face of the bottom plate 1 is fixedly provided with the corresponding sliding block 201 of the guide rail 102.

[0049] The middle position of the end face of the bottom plate 1 away from the bearing plate 3 is fixedly provided with rotating block 103, the rotating block 103 is opened with rotating hole, and the screw 4 is located in the inside of the rotating hole;

[0050] The end face of the bottom plate 1 away from the bearing plate 3 is fixedly provided with stable block 104, the stable block 104 is opened with the corresponding stable hole of the screw 4, and the screw 4 penetrates the stable hole;

[0051] One end of the screw 4 is fixedly connected with the power output end of the motor.

[0052] The part of the screw 4 located at one end of the rotating hole is opened with the corresponding external thread of one driven block 5, the part located at the other end of the rotating hole is opened with the corresponding external thread of another driven block 5, and the opening direction of the external threads located at both ends of the rotating hole is opposite.

[0053] The clamping assembly 2 comprises:

[0054] Clamping block 202, the driven block 5 is fixedly connected to the section of the clamping block 202 close to the bottom plate 1, the clamping block 202 is opened with sliding hole in, and the side of the clamping block 202 away from the bearing plate 3 is opened with thread groove;

[0055] A buffer plate 203 is arranged on the side of the clamping block 202 close to the bearing plate 3, and a sliding column 205 corresponding to the sliding hole is fixed on the buffer plate 203 and located inside the sliding hole;

[0056] A mounting plate 204 is fixed on the side of the clamping block 202 away from the bearing plate 3, and a through hole corresponding to the threaded groove is formed in the mounting plate 204, a bolt is arranged in the through hole, the bolt is threadedly connected to the inside of the threaded groove through the through hole, and a compression spring is arranged between the mounting plate 204 and the buffer plate 203.

[0057] The compression spring is located inside the sliding hole, one end of the compression spring is fixedly connected with the mounting plate 204, and the other end is fixedly connected with the sliding column 205.

[0058] Under the action of the compression spring, the buffer plate 203 plays a buffering role in the clamping process, preventing damage to the stamping die during motor driving due to excessive speed or excessive torque.

[0059] The clamping block 202 is provided with a limiting groove 206 at both ends, the buffer plate 203 is bent towards the clamping block 202 at both sides to form a hook claw corresponding to the limiting groove 206, and the hook claw is located inside the limiting groove 206.

[0060] The end surface of the bearing plate 3 away from the bottom plate 1 is provided with a sliding groove 301, and the sliding groove 301 is provided with a positioning plate 302;

[0061] The bearing plate 3 is provided with a columnar groove in communication with the sliding groove 301 along the movement direction of the positioning plate 302, and the columnar groove is provided with a threaded rod, the positioning plate 302 is threadedly connected with the threaded rod, one end of the threaded rod is rotatably connected with the bottom surface of the columnar groove, and the other end is located outside the bearing plate 3 and is fixedly provided with a knob.

[0062] The positioning plate 302 is controlled by the threaded rod to realize the control function of the position of the stamping die, and the outside of the sliding groove 301 is provided with a scale, which facilitates the adjustment of the specific position by the staff.

[0063] The edge portion of the bottom plate 1 is fixedly provided with a top column 6, and the height of the top column 6 is greater than the distance from the top of the clamping assembly 2 to the bottom plate 1.

[0064] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, and are not limited thereto. Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art should understand that the technical solutions described in the foregoing embodiments can still be modified, or some or all of the technical features can be replaced by equivalents. The modifications or replacements do not change the essence of the corresponding technical solutions, which should be included in the scope of the claims and the description of the present application.

[0065] The above is only a preferred embodiment of the present application, and is not intended to limit the present application. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. A clamping device for a punch tool, characterized in that The utility model provides a stamping die clamping device, including: The bottom plate (1) one end face is fixed with the bearing plate (3) for bearing the punch die, and the other end face is provided with the lead screw (4); Clamping assembly (2), the clamping assembly (2) has two, two clamping assemblies (2) are symmetrically arranged in bearing plate (3) both sides, and the clamping assembly (2) is fixed with driven block (5) on the end face close to the bottom plate (1), and the driven block (5) is screwed with the lead screw (4) through the bottom plate (1); Two the clamping assembly (2) between the clamping position for clamping punch die is formed.

2. A clamping device for a punch and die assembly according to claim 1, wherein The bottom plate (1) is opened with the guide hole (101) corresponding with driven block (5), one end of driven block (5) is fixedly connected with clamping assembly (2), the other end is screwed with driving block (501) through the guide hole (101); The driving block (501) is opened with the screw hole corresponding with the lead screw (4), and the driving block (501) is screwed with the lead screw (4), and the end face close to the bottom plate (1) of the driving block (501) is attached with the bottom plate (1).

3. A clamping device for a punch and die assembly according to claim 1, wherein The bottom plate (1) is fixed with guide rail (102), the guide rail (102) is equipped with a plurality of, and a plurality of guide rails (102) are symmetrically distributed in the both sides of bearing plate (3), and the clamping assembly (2) is fixed with the sliding block (201) corresponding with the guide rail (102) on the end face close to the bottom plate (1).

4. The clamping device of a punch die according to claim 1, wherein The bottom plate (1) is fixed with rotating block (103) in the middle position of the end face away from bearing plate (3), the rotating block (103) is opened with rotating hole, and the lead screw (4) is located in the inside of rotating hole; The bottom plate (1) is fixed with stabilizing block (104) on the end face away from bearing plate (3), the stabilizing block (104) is opened with the stabilizing hole corresponding with the lead screw (4), the lead screw (4) is screwed through the stabilizing hole, and one end of the lead screw (4) is fixedly connected with the power output end of motor.

5. A clamping device for a punch and die assembly according to claim 4, wherein The lead screw (4) is opened with the external thread corresponding with one driven block (5) in the part of one end of rotating hole, is opened with the external thread corresponding with another driven block (5) in the part of the other end of rotating hole, and the external thread in the both ends of rotating hole is opened in opposite directions.

6. A clamping device for a punch and die assembly according to claim 1, wherein The clamping assembly (2) includes: Clamping block (202), the driven block (5) is fixedly connected on the section close to the bottom plate (1) of clamping block (202), and the sliding hole is opened in clamping block (202), and the threaded groove is opened on the side away from bearing plate (3) of clamping block (202); Buffer plate (203), the buffer plate (203) is arranged on the side close to bearing plate (3) of clamping block (202), and the sliding column (205) corresponding with sliding hole is fixed on the buffer plate (203), and the sliding column (205) is located in the inside of sliding hole; Mounting plate (204), the mounting plate (204) is fixed on the side away from bearing plate (3) of clamping block (202), and the through hole corresponding with threaded groove is opened on the mounting plate (204), and the bolt is arranged in the through hole, the bolt is screwed in the inside of threaded groove through the through hole, and the compression spring is arranged between the mounting plate (204) and buffer plate (203).

7. A clamping device for a punch and die assembly according to claim 6, wherein The compression spring is located inside the sliding hole, one end of the compression spring is fixedly connected with the mounting plate (204), and the other end is fixedly connected with the sliding column (205).

8. A clamping device for a punch and die assembly according to claim 6, wherein Two ends of the clamping block (202) are provided with limiting grooves (206), two sides of the buffer plate (203) are bent towards the clamping block (202) to form hooks corresponding to the limiting grooves (206), and the hooks are located inside the limiting grooves (206).

9. The clamping device of a punch die according to claim 1, wherein An end face of the bearing plate (3) away from the bottom plate (1) is provided with a sliding groove (301), and the sliding groove (301) is provided with a positioning plate (302); The bearing plate (3) is provided with a columnar groove in communication with the sliding groove (301) along the moving direction of the positioning plate (302), the columnar groove is provided with a threaded rod, the positioning plate (302) is threadedly connected with the threaded rod, one end of the threaded rod is rotatably connected with the bottom surface of the columnar groove, and the other end is located outside the bearing plate (3) and is fixedly provided with a knob.

10. The clamping device of a punch die according to claim 1, wherein An edge portion of the bottom plate (1) is fixedly provided with a top column (6), and the height of the top column (6) is greater than the distance from the top of the clamping assembly (2) to the bottom plate (1).