Cold heading equipment for outer hexagonal double-thread bolt

Abstract

The utility model discloses outer hexagonal double-thread bolt cold heading equipment, which relates to the technical field of cold heading equipment, and comprises a processing table, the lower part of the processing table is fixedly connected with supporting legs, the left part of the processing table is fixedly connected with a left side plate, and the right part of the processing table is fixedly connected with an abutting plate; a hydraulic cylinder is fixedly installed on the left side plate, the output end of the hydraulic cylinder penetrates through the left side plate to be fixedly connected with a sliding seat, a cold heading head is fixedly connected to the sliding seat, a sliding rail is fixedly connected to the machining table, and the sliding seat is in sliding connection with the sliding rail. Through the arrangement of the hydraulic cylinder, the sliding rail and the sliding seat, pressure can be applied to the single side of a workpiece, and the whole equipment occupies a small space and is convenient to use; and the upper die and the lower die are arranged, so that workpieces can be conveniently put in and taken out, and the operation is convenient.

Description

Technical Field

[0001] The utility model relates to the technical field of cold heading equipment, in particular to cold heading equipment for external hexagonal double-threaded bolts. Background Art

[0002] Cold forging, also known as "cold extrusion", refers to a process in which metal is forged at room temperature with the help of a die to complete the plastic deformation of the metal to achieve the specified geometric shape, size and quality requirements. Cold forging equipment is required when processing hexagonal double-threaded bolts.

[0003] In the existing technology, the cold punching equipment produces products by applying pressure to the upper and lower sides of the workpiece in the vertical direction at the same time. The overall height of the equipment is high, the space it occupies is large, and the workpiece is placed at a high position, which makes it inconvenient to operate. Utility Model Content

[0004] In order to overcome the shortcomings of the prior art, one of the purposes of the utility model is to provide a cold heading equipment for hexagonal double-threaded bolts. Through the provision of a hydraulic cylinder, a slide rail and a slide seat, pressure can be applied to one side of a workpiece. The overall equipment occupies a small space and is easy to use. The upper mold and lower mold provided can facilitate the placement and removal of the workpiece, and the operation is convenient.

[0005] One of the purposes of the utility model is achieved by the following technical solution: a cold heading device for hexagonal double-threaded bolts, comprising a processing table, a supporting leg is fixedly connected to the lower part of the processing table, a left side plate is fixedly connected to the left part of the processing table, an abutment plate is fixedly connected to the right part of the processing table, a hydraulic cylinder is fixedly installed on the left side plate, an output end of the hydraulic cylinder is fixedly connected to a slide seat through the left side plate, a cold heading head is fixedly connected to the slide seat, a slide rail is fixedly connected to the processing table, the slide seat is slidably connected to the slide rail, a lower mold is fixedly connected to the processing table, and a lower fixed mold is fixedly connected to the lower part The fixed plate, the lower fixed plate is fixedly connected to the processing table by bolts, the upper part of the lower mold is provided with a lower forming cavity and a lower outer hexagonal cavity, the right part of the lower mold is fixedly connected with an abutment block, the upper part of the left plate and the abutment plate is fixedly connected with a support frame, the support frame is fixedly installed with an electric push rod, the output end of the electric push rod passes through the support frame and is fixedly connected with a moving plate, the lower part of the moving plate is fixedly connected with an upper mold, the upper part of the upper mold is fixedly connected with an upper fixed plate, the upper fixed plate is fixedly connected with the moving plate by bolts, and the lower part of the upper mold is provided with an upper forming cavity and an upper outer hexagonal cavity. Through the hydraulic cylinder, slide rail and slide seat, pressure can be applied to one side of the workpiece, the overall equipment occupies a small space and is easy to use; the upper mold and lower mold can be convenient for placing and taking out the workpiece, and the operation is convenient.

[0006] According to the cold heading equipment for external hexagonal double-threaded bolts, the movable plate is fixedly connected to a limit rod, the limit rod passes through the supporting frame, and the limit rods are slidably connected to each other.

[0007] According to the cold heading equipment for external hexagonal double-threaded bolts, there are two limit rods, which are located outside the electric push rod.

[0008] According to the cold heading equipment for external hexagonal double-threaded bolts, the shapes of the longitudinal sections of the upper forming cavity and the lower forming cavity are both semicircular, and they are combined to form a circle.

[0009] According to the cold heading equipment for external hexagonal double-threaded bolts, the positions of the lower external hexagonal cavity and the upper external hexagonal cavity correspond to each other and are combined to form a regular hexagon.

[0010] According to the cold heading equipment for external hexagonal double-threaded bolts, the cold heading head cooperates with the cavity body composed of the upper forming cavity and the lower forming cavity.

[0011] According to the cold heading equipment for external hexagonal double-threaded bolts, the upper die is located directly above the lower die.

[0012] According to the cold heading equipment for external hexagonal double-threaded bolts, the longitudinal section of the support frame is in an inverted U shape.

[0013] Beneficial Effects

[0014] Compared with the prior art, the utility model can apply pressure to one side of the workpiece through the hydraulic cylinder, slide rail and slide seat. The overall equipment occupies a small space and is easy to use. The upper mold and lower mold are convenient for placing and removing the workpiece, and the operation is easy.

[0015] Additional aspects and advantages of the present invention will be given in part in the following description, and in part will become apparent from the following description, or will be learned through the practice of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The utility model is further described below in conjunction with the accompanying drawings and embodiments;

[0017] Figure 1 This is a structural schematic diagram of a cold heading device for external hexagonal double-threaded bolts of the utility model;

[0018] Figure 2 This is a structural schematic diagram of the lower die portion of a cold heading device for external hexagonal double-threaded bolts of the utility model;

[0019] Figure 3 This is a schematic structural diagram of the electric push rod part of a cold heading device for external hexagonal double-threaded bolts of the utility model;

[0020] Figure 4 The utility model is a schematic structural diagram of an upper die of a cold heading device for external hexagonal double-threaded bolts.

[0021] Legend:

[0022] 1. Support leg; 101. Processing table; 102. Left side plate; 103. Abutment plate; 201. Support frame; 202. Limit rod; 203. Electric push rod; 301. Slide rail; 302. Slide seat; 303. Cold heading head; 304. Hydraulic cylinder; 4. Lower mold; 401. Lower fixed plate; 402. Lower forming cavity; 403. Lower outer hexagonal cavity; 404. Abutment block; 5. Upper mold; 501. Upper fixed plate; 502. Upper forming cavity; 503. Upper outer hexagonal cavity. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the utility model. The preferred embodiments of the utility model are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and the overall technical solution of the utility model, but it cannot be understood as a limitation on the protection scope of the utility model.

[0024] Reference Figure 1-4The utility model embodiment is a cold heading device for hexagonal double-threaded bolts, which includes a processing table 101, a supporting leg 1 is fixedly connected to the lower part of the processing table 101, a left side plate 102 is fixedly connected to the left part of the processing table 101, and an abutment plate 103 is fixedly connected to the right part of the processing table 101. A hydraulic cylinder 304 is fixedly installed on the left side plate 102, and the output end of the hydraulic cylinder 304 is fixedly connected to a slide seat 302 through the left side plate 102, and a cold heading head 303 is fixedly connected to the slide seat 302. The cold heading head 303 cooperates with the cavity composed of the upper forming cavity 502 and the lower forming cavity 402. The processing table 101 is fixedly connected with a slide rail 301, and the slide seat 302 and the slide The rail 301 is slidably connected, the processing table 101 is fixedly connected with the lower mold 4, the lower part of the lower mold 4 is fixedly connected with the lower fixed plate 401, the lower fixed plate 401 is fixedly connected to the processing table 101 by bolts, the upper part of the lower mold 4 is provided with a lower molding cavity 402 and a lower outer hexagonal cavity 403, the positions of the lower outer hexagonal cavity 403 and the upper outer hexagonal cavity 503 correspond to each other, and are combined into a regular hexagon, the right part of the lower mold 4 is fixedly connected with an abutment block 404, the upper part of the left side plate 102 and the abutment plate 103 is fixedly connected with a support frame 201, the longitudinal section of the support frame 201 is an inverted U-shape, and an electric push rod 20 is fixedly installed on the support frame 201 3. The output end of the electric push rod 203 passes through the support frame 201 and is fixedly connected to a moving plate. The moving plate is fixedly connected to a limiting rod 202. The limiting rod 202 passes through the support frame 201 and is slidably connected to each other. There are two limiting rods 202, which are located on the outside of the electric push rod 203. The lower part of the moving plate is fixedly connected to an upper mold 5, which is located directly above the lower mold 4. The upper part of the upper mold 5 is fixedly connected to an upper fixed plate 501, which is fixedly connected to the moving plate by bolts. The lower part of the upper mold 5 is provided with an upper molding cavity 502 and an upper outer hexagonal cavity 503. The shape of the longitudinal section of the upper molding cavity 502 and the lower molding cavity 402 is The shapes are all semicircular and combined into a circle. First, the unprocessed workpiece is placed in the lower forming cavity 402 of the lower mold 4, and then the electric push rod 203 is powered on to work, driving the moving plate to move down, and the moving plate drives the upper mold 5 to move down and combine with the lower mold 4. Then the hydraulic cylinder 304 drives the slide 302 to move right under the action of the external hydraulic source, and the slide 302 drives the cold heading head 303 to move right. The cold heading head 303 applies pressure to the workpiece. Since the right side of the workpiece is blocked by the abutment block 404, the workpiece is squeezed to form an external hexagon. Then the electric push rod 203 is reset, and the hydraulic cylinder 304 is reset, and the processed workpiece can be taken out to complete the cold heading operation of the workpiece. Through the hydraulic cylinder 304, the slide rail 301, and the slide 302, pressure can be applied to one side of the workpiece. The overall equipment occupies a small space and is easy to use; the upper mold 5 and the lower mold 4 are convenient for placing and taking out workpieces, and the operation is convenient.

[0025] Working principle: When in use, the whole device is connected to an external power source, a hydraulic source, and a controller. The controller is a conventional known device for control;

[0026] First, place the unprocessed workpiece in the lower forming cavity 402 of the lower mold 4, then the electric push rod 203 is energized to work, driving the movable plate to move downward, and the movable plate drives the upper mold 5 to move downward and is combined with the lower mold 4. Then, the hydraulic cylinder 304, under the action of the external hydraulic source, drives the slide 302 to move right, and the slide 302 drives the cold heading head 303 to move right. The cold heading head 303 applies pressure to the workpiece. Since the right side of the workpiece is blocked by the abutment block 404, the workpiece is squeezed to form an external hexagon. Then the electric push rod 203 is reset, and the hydraulic cylinder 304 is reset, and the processed workpiece can be taken out, completing the cold heading operation of the workpiece.

[0027] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A cold heading device for external hexagonal double-threaded bolts, comprising a processing table (101), wherein a support leg (1) is fixedly connected to the lower part of the processing table (101), characterized in that: The left portion of the processing table (101) is fixedly connected to a left side plate (102), the right portion of the processing table (101) is fixedly connected to an abutment plate (103), a hydraulic cylinder (304) is fixedly mounted on the left side plate (102), the output end of the hydraulic cylinder (304) passes through the left side plate (102) and is fixedly connected to a slide seat (302), a cold heading head (303) is fixedly connected to the slide seat (302), a slide rail (301) is fixedly connected to the processing table (101), the slide seat (302) is slidably connected to the slide rail (301), a lower mold (4) is fixedly connected to the processing table (101), a lower portion of the lower mold (4) is fixedly connected to a lower fixed plate (401), and the lower fixed plate (401) is fixedly connected to the processing table (101) by bolts, The upper part of the lower mould (4) is provided with a lower forming cavity (402) and a lower outer hexagonal cavity (403); the right part of the lower mould (4) is fixedly connected to an abutment block (404); the upper parts of the left plate (102) and the abutment plate (103) are fixedly connected to a support frame (201); an electric push rod (203) is fixedly mounted on the support frame (201); the output end of the electric push rod (203) passes through the support frame (201) and is fixedly connected to a moving plate; the lower part of the moving plate is fixedly connected to an upper mould (5); the upper part of the upper mould (5) is fixedly connected to an upper fixed plate (501); the upper fixed plate (501) is fixedly connected to the moving plate via bolts; the lower part of the upper mould (5) is provided with an upper forming cavity (502) and an upper outer hexagonal cavity (503).

2. The cold heading equipment for hexagonal double-threaded bolts according to claim 1, characterized in that: The movable plate is fixedly connected to a limit rod (202), and the limit rod (202) passes through the support frame (201) and is slidably connected to each other.

3. The cold heading equipment for hexagonal double-threaded bolts according to claim 2, characterized in that: There are two limit rods (202) and they are located outside the electric push rod (203).

4. The cold heading equipment for hexagonal double-threaded bolts according to claim 1, characterized in that: The upper molding cavity (502) and the lower molding cavity (402) are both semicircular in longitudinal cross-section and are combined to form a circle.

5. The cold heading equipment for external hexagon double-threaded bolts according to claim 1, characterized in that: The positions of the lower outer hexagonal cavity (403) and the upper outer hexagonal cavity (503) correspond to each other and are combined to form a regular hexagon.

6. The cold heading equipment for hexagonal double-threaded bolts according to claim 1, characterized in that: The cold heading head (303) cooperates with a cavity body formed by the upper forming cavity (502) and the lower forming cavity (402).

7. The cold heading equipment for hexagonal double-threaded bolts according to claim 1, characterized in that: The upper mold (5) is located directly above the lower mold (4).

8. The cold heading equipment for external hexagonal double-threaded bolts according to claim 1, characterized in that: The longitudinal section of the support frame (201) is in an inverted U shape.

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