Cold header with positioning structure

By designing the positioning structure in the cold heading machine and using push rods and hydraulic mechanisms to achieve accurate positioning and shaping of the workpiece, the problems of inaccurate positioning and inconvenient mold fixing of the existing cold heading machine are solved, and the processing accuracy and efficiency are improved.

CN222767229UActive Publication Date: 2025-04-18YIXING QUNYI MASCH FACTORY
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Patent Information

Application Number
CN202421624469.8
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-10
Publication Date
2025-04-18
Estimated Expiration
2034-07-10

AI Technical Summary

Technical Problem

The existing cold heading machines are not positioned accurately enough in the workpiece, which is prone to the problem of workpiece misalignment, and the mold is inconvenient to fix, which affects the processing efficiency.

Method used

A cold heading machine with a positioning structure is designed, and the first push rod and the second push rod are used to cooperate with the hydraulic mechanism. The workpiece is accurately positioned and shaped through the limiting plate and the pressure bearing seat, and the stable fixation of the mold is ensured through the guide plate and the limiting groove.

Benefits of technology

The effective positioning of the workpiece is achieved, the machining accuracy is improved, the mold fixing process is simplified, and the overall machining efficiency is improved.

✦ Generated by Eureka AI based on patent content.

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    Figure CN222767229U_ABST
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Abstract

The utility model relates to the technical field of cold headers, in particular to a cold header with a positioning structure, and adopts the technical scheme that the cold header comprises a frame body, a limiting plate is movably mounted at the front end of the inner side of the frame body, a reserved hole is formed in the limiting plate, a mounting groove is formed in the rear end of the frame body, and a pressure-bearing seat is mounted in the mounting groove in an embedded manner; the pressure-bearing seat is provided with a shaping groove, and further comprises a first push rod and a second push rod. The first push rod penetrates through the preformed hole and is in contact with but not fixedly connected with the front end of the pressure-bearing seat; a first pressing plate is fixedly mounted at one end, deviating from the pressure-bearing seat, of the first push rod; the second push rod is movably mounted in the shaping groove; a second pressing plate is fixedly installed at the end, deviating from the shaping groove, of the second push rod. The positioning device solves the problem that in the prior art, a device is inconvenient to position when a workpiece is machined.
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Description

Technical Field

[0001] The utility model relates to the technical field of cold heading machines, in particular to a cold heading machine with a positioning structure. Background Art

[0002] Cold heading machine is a metal processing equipment, mainly used to produce various metal parts, especially fasteners such as bolts, screws, nuts, etc., by forging at room temperature. This equipment uses the principle of plastic deformation of metals to shape metal materials in the mold by applying external force, so as to achieve the desired shape and size. Cold heading machine works at room temperature, does not need to heat the metal material, and plastically deforms the metal blank in the mold by applying pressure to form the desired shape.

[0003] The cold heading machines currently used are not accurate enough when positioning, so the workpiece may be misaligned during the cold heading process, which in turn affects the quality of the workpiece processing. In addition, some existing cold heading machines are inconvenient when fixing the mold, which may affect the efficiency of the fixing work. Therefore, a cold heading machine with a positioning structure is needed to solve the above problems. Utility Model Content

[0004] The utility model aims to provide a cold heading machine with a positioning structure, which has the advantages of effectively positioning the workpiece and facilitating material discharge, and solves the problem of inconvenient positioning of the device during workpiece processing in the prior art.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a cold heading machine with a positioning structure, comprising a frame, a limit plate is movably installed at the front end of the inner side of the frame, a reserved hole is provided on the limit plate, a mounting groove is provided at the rear end of the frame and a pressure bearing seat is embedded and installed, a shaping groove is provided on the pressure bearing seat, and further comprising a first push rod and a second push rod;

[0006] The first push rod passes through the reserved hole and contacts the front end of the pressure bearing seat but is not fixedly connected;

[0007] Wherein, a first pressure plate is fixedly mounted on one end of the first push rod away from the pressure bearing seat;

[0008] The second push rod is movably installed in the shaping groove;

[0009] Wherein, a second pressing plate is fixedly installed on one end of the second push rod away from the shaping groove.

[0010] When using a cold heading machine with a positioning structure in the technical solution, the second hydraulic mechanism body is started to move the second pressure plate to the side away from the pressure seat. At this time, the workpiece is inserted into the shaping groove, and the first hydraulic mechanism body is started to move the first push rod to the side of the pressure seat, and the end of the shaping groove away from the second pressure plate is sealed. At this time, the second hydraulic mechanism body is started to squeeze the workpiece in the shaping groove through the second push rod, so that the workpiece is shaped in the shaping groove. When the shaping of the workpiece is completed, the first hydraulic mechanism body can be started to move the first push rod to the side away from the pressure seat, and the shaped workpiece is squeezed out of the shaping groove through the second push rod, thereby realizing the discharge operation.

[0011] Preferably, a material guide plate is fixedly installed at the bottom of the inner side of the frame body, and first limiting holes are equidistantly provided at the upper and lower ends of the front side of the frame body.

[0012] Preferably, the longitudinal cross-section of the guide plate adopts a right-angled triangle structure design, and the front and rear ends of the guide plate are respectively in contact with the limit plate and the pressure seat but are not fixedly connected.

[0013] Preferably, the limiting plate is provided with limiting grooves at both upper and lower ends, the limiting plate is slidably installed at the front end of the frame through the limiting grooves, and second limiting holes are provided at both upper and lower ends of the front side of the limiting plate.

[0014] Preferably, a limiting frame is movably inserted at the second limiting hole, and the rear end of the limiting frame passes through the second limiting hole and extends into the first limiting hole.

[0015] Preferably, mounting holes are respectively opened on both sides of the rear end of the pressure bearing seat, and the second hydraulic mechanism body is embedded and installed in the mounting holes, and the rear end of the second hydraulic mechanism body is fixedly connected to the second pressure plate.

[0016] Preferably, first hydraulic mechanism bodies are fixedly mounted on both sides of the back side of the first pressing plate, and the rear end of the first hydraulic mechanism body is fixedly connected to the front side of the limiting plate.

[0017] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0018] The utility model provides a first push rod and a second push rod, the first push rod passes through the reserved hole and contacts with the front end of the pressure seat but is not fixedly connected, and the first pressure plate is fixedly installed at the end of the first push rod away from the pressure seat, and the second push rod is movably installed in the shaping groove, and the second pressure plate is fixedly installed at the end of the second push rod away from the shaping groove. When performing specific operations, the second hydraulic mechanism body is started, so that the second pressure plate moves to the side away from the pressure seat. At this time, the workpiece is inserted into the shaping groove, and the first hydraulic mechanism body is started, so that the first push rod moves to the side of the pressure seat, and the end of the shaping groove away from the second pressure plate is sealed. At this time, the second hydraulic mechanism body is started, so that the workpiece in the shaping groove is squeezed by the second push rod, so that the workpiece is shaped in the shaping groove. When the workpiece is shaped, the first hydraulic mechanism body can be started, so that the first push rod moves to the side away from the pressure seat, and the shaped workpiece is squeezed out of the shaping groove by the second push rod, thereby realizing the discharge operation, achieving the effect of effectively positioning the workpiece and facilitating discharge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0020] Figure 2 It is a schematic diagram of the cross-sectional structure of the utility model;

[0021] Figure 3 This is a schematic diagram of the cross-sectional structure of the pressure bearing seat of the utility model;

[0022] Figure 4 This is a schematic diagram of the frame structure of the utility model;

[0023] Figure 5 It is a schematic diagram of the limit plate structure of the utility model.

[0024] In the figure: 1. frame; 2. limit frame; 3. first push rod; 4. first pressure plate; 5. first hydraulic mechanism body; 6. limit plate; 7. guide plate; 8. pressure seat; 9. second push rod; 10. second pressure plate; 11. second hydraulic mechanism body; 12. mounting hole; 13. shaping groove; 14. first limit hole; 15. mounting groove; 16. limit groove; 17. second limit hole; 18. reserved hole. DETAILED DESCRIPTION

[0025] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0026] Example

[0027] like Figures 1 to 5 As shown, the utility model provides an embodiment: a cold heading machine with a positioning structure, including a frame 1, a limit plate 6 is movably installed at the front end of the inner side of the frame 1, and a reserved hole 18 is opened on the limit plate 6, and a mounting groove 15 is opened at the rear end of the frame 1 and embedded with a pressure seat 8, and a shaping groove 13 is opened on the pressure seat 8, and also includes a first push rod 3 and a second push rod 9;

[0028] Specifically, by setting the first push rod 3 and the second push rod 9, the first push rod 3 passes through the reserved hole 18 and contacts with the front end of the pressure seat 8 but is not fixedly connected, and the first pressing plate 4 is fixedly installed at the end of the first push rod 3 away from the pressure seat 8, and the second push rod 9 is movably installed in the shaping groove 13, and the second pressing plate 10 is fixedly installed at the end of the second push rod 9 away from the shaping groove 13. When performing specific operations, the second hydraulic mechanism body 11 is started, so that the second pressing plate 10 moves to the side away from the pressure seat 8. At this time, the workpiece is inserted into the shaping groove 13, and the first hydraulic mechanism body 5 is started, so that The first push rod 3 is moved toward the side of the pressure seat 8, and the end of the shaping groove 13 away from the second pressure plate 10 is sealed. At this time, the second hydraulic mechanism body 11 is started, so that the workpiece in the shaping groove 13 is squeezed by the second push rod 9, so that the workpiece is shaped in the shaping groove 13. When the workpiece is shaped, the first hydraulic mechanism body 5 can be started, so that the first push rod 3 is moved to the side away from the pressure seat 8, and the shaped workpiece is squeezed out of the shaping groove 13 by the second push rod 9, thereby realizing the discharge operation, achieving the effect of effectively positioning the workpiece and facilitating discharge.

[0029] Furthermore, a material guide plate 7 is fixedly installed on the inner bottom of the frame body 1, and first limiting holes 14 are equidistantly provided at the upper and lower ends of the front side of the frame body 1.

[0030] Furthermore, the longitudinal cross-section of the guide plate 7 adopts a right-angled triangle structure design, and the front and rear ends of the guide plate 7 are respectively in contact with the limit plate 6 and the pressure seat 8 but are not fixedly connected.

[0031] Furthermore, the limiting plate 6 has limiting grooves 16 at both ends, through which the limiting plate 6 is slidably mounted at the front end of the frame 1 , and second limiting holes 17 are respectively provided at both ends of the front face of the limiting plate 6 .

[0032] Furthermore, the limiting frame 2 is movably inserted into the second limiting hole 17 , and the rear end of the limiting frame 2 passes through the second limiting hole 17 and extends into the first limiting hole 14 .

[0033] Furthermore, mounting holes 12 are respectively opened on both sides of the rear end of the pressure bearing seat 8 , and the second hydraulic mechanism body 11 is embedded and installed in the mounting holes 12 . The rear end of the second hydraulic mechanism body 11 is fixedly connected to the second pressure plate 10 .

[0034] Furthermore, the first hydraulic mechanism body 5 is fixedly installed on both sides of the back side of the first pressing plate 4 , and the rear end of the first hydraulic mechanism body 5 is fixedly connected to the front side of the limiting plate 6 .

[0035] When the utility model is used, the second hydraulic mechanism body 11 is started, so that the second pressure plate 10 moves to the side away from the pressure seat 8. At this time, the workpiece is inserted into the shaping groove 13, and the first hydraulic mechanism body 5 is started, so that the first push rod 3 moves to the side of the pressure seat 8, and the end of the shaping groove 13 away from the second pressure plate 10 is sealed. At this time, the second hydraulic mechanism body 11 is started, so that the workpiece in the shaping groove 13 is squeezed by the second push rod 9, so that the workpiece is shaped in the shaping groove 13. When the shaping of the workpiece is completed, the first hydraulic mechanism body 5 can be started, so that the first push rod 3 moves to the side away from the pressure seat 8, and the shaped workpiece is squeezed out of the shaping groove 13 by the second push rod 9, thereby realizing the discharge operation.

[0036] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

Claims

1. A cold heading machine with a positioning structure, comprising a frame (1), a limit plate (6) is movably installed at the front end of the inner side of the frame (1), a reserved hole (18) is provided on the limit plate (6), a mounting groove (15) is provided at the rear end of the frame (1) and a pressure bearing seat (8) is embedded and installed, and a shaping groove (13) is provided on the pressure bearing seat (8), characterized in that: Also includes: A first push rod (3) passes through the reserved hole (18) and contacts the front end of the pressure bearing seat (8) but is not fixedly connected thereto; Wherein, a first pressing plate (4) is fixedly mounted on one end of the first push rod (3) away from the pressure bearing seat (8); A second push rod (9) is movably mounted in the shaping groove (13); A second pressing plate (10) is fixedly mounted on one end of the second push rod (9) away from the shaping groove (13).

2. A cold heading machine with a positioning structure according to claim 1, characterized in that: A material guide plate (7) is fixedly mounted on the inner bottom of the frame body (1), and first limiting holes (14) are equidistantly provided at the upper and lower ends of the front surface of the frame body (1).

3. A cold heading machine with a positioning structure according to claim 2, characterized in that: The longitudinal cross section of the guide plate (7) is designed in a right-angled triangle structure, and the front and rear ends of the guide plate (7) are respectively in contact with the limit plate (6) and the pressure bearing seat (8) but are not fixedly connected.

4. The cold heading machine with a positioning structure according to claim 1, characterized in that: The limiting plate (6) is provided with limiting grooves (16) at both ends, and the limiting plate (6) is slidably mounted on the front end of the frame (1) through the limiting grooves (16). The front end of the limiting plate (6) is provided with second limiting holes (17) at both ends.

5. The cold heading machine with a positioning structure according to claim 4, characterized in that: The second limiting hole (17) is movably inserted with a limiting frame (2), and the rear end of the limiting frame (2) passes through the second limiting hole (17) and extends into the first limiting hole (14).

6. The cold heading machine with a positioning structure according to claim 1, characterized in that: The pressure bearing seat (8) has mounting holes (12) on both sides of the rear end, and a second hydraulic mechanism body (11) is embedded and installed in the mounting holes (12). The rear end of the second hydraulic mechanism body (11) is fixedly connected to the second pressure plate (10).

7. The cold heading machine with a positioning structure according to claim 1, characterized in that: A first hydraulic mechanism body (5) is fixedly mounted on both sides of the back side of the first pressing plate (4), and the rear end of the first hydraulic mechanism body (5) is fixedly connected to the front side of the limiting plate (6).