Bolt cold header

Abstract

The utility model discloses a bolt cold heading machine which comprises a supporting bottom plate, the upper side wall of the supporting bottom plate is fixedly connected with a supporting seat, the upper side wall of the supporting seat is provided with an upper sliding groove, and the interior of the upper sliding groove is connected with a cold heading die holder in a sliding mode. A supporting frame is connected to the upper side wall of the supporting seat, a hydraulic cylinder is fixedly connected to the upper side wall of the supporting frame, a connecting joint is fixedly connected to the output end of the hydraulic cylinder, an electromagnetic suction block is arranged in the center of the connecting joint, and a sliding inner groove is formed in the position, located on the outer side of the electromagnetic suction block, in the connecting joint; and the connecting joint is detachably connected with a cold heading head through a limiting insertion block. According to the stamping device, the electromagnetic attraction block can attract the matched sliding block, so that the limiting insertion block is moved out of the cold heading head, the cold heading head can be replaced, operation is convenient, the stamping head is replaced more rapidly and conveniently, the replacement time is greatly shortened, and the working efficiency is also improved.

Description

Technical Field

[0001] The utility model relates to the technical field of bolt processing, in particular to a bolt cold heading machine. Background Art

[0002] Cold heading machines are special equipment used mainly for mass production of nuts, bolts and other fasteners. At that time, the purpose of developing cold heading machines was mainly to produce a large number of bullet casings during World War II. Today's cold heading machines use cold heading methods to forge the heads of bolts and screws, which can minimize cutting work and directly form them into the required shape and size. In the composition of the cold heading machine, each branch is a very important component. In factories that produce and process bolts, workers will use cold heading machines.

[0003] However, the mold and punch of the device can only meet the processing needs of bolts of the same model. When different models of bolts need to be processed, the corresponding punch and mold can only be replaced. This is not only inconvenient to use, but also time-consuming to replace, thus reducing work efficiency. Therefore, further improvement is needed. Utility Model Content

[0004] The purpose of the present invention is to solve at least one of the technical problems existing in the prior art and provide a bolt cold heading machine. The device is provided with a connecting joint and a cold heading head. By turning a control knob, the electromagnetic suction block can be controlled to work. The electromagnetic suction block can attract the matching slider, so that the limit plug is moved out of the cold heading head, and the cold heading head can be replaced. The operation is convenient, and the replacement of the punch head is faster and more convenient, which greatly reduces the replacement time and improves the work efficiency.

[0005] The device is equipped with a permanent magnet damper and a matching base. The permanent magnet damper can absorb the energy transmitted by the support base, and the matching base can cushion the vibration transmitted by the support base. The combination of the two can effectively reduce the equipment failure rate and improve production continuity and efficiency.

[0006] The utility model also provides a bolt cold heading machine as described above, comprising: a supporting base plate, the upper side wall of the supporting base plate is fixedly connected to a supporting seat, the upper side wall of the supporting seat is provided with an upper slide groove, the interior of the upper slide groove is slidably connected to a cold heading die seat, the lower side wall of the supporting base plate is fixedly connected to a plurality of permanent magnetic dampers, the center of the lower side wall of the supporting base plate is fixedly connected to a supporting column, the lower end of the supporting column is slidably connected to a matching base, and an elastic pad is provided between the matching base and the supporting column;

[0007] The upper side wall of the support seat is connected to the support frame, the upper side wall of the support frame is fixedly connected to the hydraulic cylinder, the output end of the hydraulic cylinder is fixedly connected to the connecting joint, the center of the connecting joint is provided with an electromagnetic suction block, the interior of the connecting joint and the outside of the electromagnetic suction block is provided with a sliding inner groove, the interior of the sliding inner groove is slidably connected to a matching slider, the outer side wall of the matching slider is fixedly connected to a limiting plug block, and the connecting joint is detachably connected to a cold heading head through the limiting plug block.

[0008] According to the bolt cold heading machine, the lower side wall of the permanent magnet damper is fixedly connected to a support pad, and the lower side wall of the support pad is provided with anti-slip grooves to increase the friction between the device and the ground, thereby improving the stability of the device.

[0009] According to the bolt cold heading machine, an electric push rod is provided inside the support seat, and the output end of the electric push rod cooperates with the cold heading die seat. The electric push rod can drive the cold heading die seat to move left and right.

[0010] According to the bolt cold heading machine, the upper side wall of the cold heading die base is provided with an upper die groove to facilitate cold heading work.

[0011] According to the bolt cold heading machine, a matching groove is provided inside the upper side wall of the cold heading head, and the matching groove matches with the lower side wall of the connecting joint to improve the stability of the cold heading head connection.

[0012] According to the bolt cold heading machine, the inner side wall of the matching groove is evenly provided with a plurality of matching slots, and the matching slots cooperate with the limiting plug blocks to fix the cold heading head.

[0013] According to the bolt cold heading machine, the outer side wall of each sliding inner groove is provided with a matching sliding groove, the matching sliding groove is located on the inner side of the connecting joint, and the matching sliding groove cooperates with the matching slider to improve the sliding stability of the limiting plug.

[0014] According to the bolt cold heading machine, a reset spring is provided between each of the mating sliders and the electromagnetic suction block to facilitate driving the mating slider to reset, and a control knob is provided on the upper side wall of the connecting joint to control the operation of the electromagnetic suction block.

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

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments;

[0017] Figure 1This is a structural diagram of a bolt cold heading machine of the utility model;

[0018] Figure 2 This is a schematic diagram of the punching die structure of a bolt cold heading machine of the utility model;

[0019] Figure 3 This is a schematic diagram of the interior of a support base of a bolt cold heading machine of the present invention;

[0020] Figure 4 It is a side schematic diagram of a bolt cold heading machine of the utility model.

[0021] Legend:

[0022] 1. Support base plate; 101. Permanent magnet damper; 102. Support pad; 2. Support seat; 201. Upper slide; 202. Electric push rod; 3. Cold heading die seat; 301. Upper die groove; 4. Support frame; 401. Hydraulic cylinder; 402. Connecting joint; 4021. Sliding inner groove; 4022. Return spring; 4023. Matching slide; 403. Control knob; 404. Cold heading head; 4041. Matching slot; 4042. Matching groove; 405. Matching slider; 4051. Limiting plug; 406. Electromagnetic suction block; 5. Matching base; 501. Support column; 502. Elastic pad. DETAILED DESCRIPTION

[0023] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention 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 overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0024] In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings and are only for the convenience of describing the present invention and simplifying the description. They do not indicate or imply that the devices or components referred to must have a specific direction, be constructed and operate in a specific direction. Therefore, they should not be understood as limiting the present invention. The terms "first", "second", and "third" are used for descriptive purposes only and should not be understood as indicating or implying relative importance. In addition, unless otherwise expressly specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense. For example, they can be fixed connections, detachable connections, or integral connections; they can be mechanical connections or electrical connections; they can be direct connections, indirect connections through an intermediate medium, or internal connections between two components. For those skilled in the art, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0025] Reference Figure 1-4 The embodiment of the present invention is a bolt cold heading machine, which includes: a supporting base plate 1, the upper side wall of the supporting base plate 1 is fixedly connected to a supporting base 2, the upper side wall of the supporting base 2 is provided with an upper slide groove 201, the interior of the upper slide groove 201 is slidably connected to a cold heading die base 3, an electric push rod 202 is provided inside the supporting base 2, the output end of the electric push rod 202 cooperates with the cold heading die base 3, the electric push rod 202 can drive the cold heading die base 3 to move left and right, and the upper side wall of the cold heading die base 3 is provided with an upper die groove 301, which is convenient for cold heading work.

[0026] The lower side wall of the support base plate 1 is fixedly connected to a plurality of permanent magnetic dampers 101, and the lower side wall of the permanent magnetic damper 101 is fixedly connected to a support pad 102. The lower side wall of the support pad 102 is provided with anti-slip grooves to increase the friction between the device and the ground, thereby improving the stability of the device. The center of the lower side wall of the support base plate 1 is fixedly connected to a support column 501, and the lower end of the support column 501 is slidably connected to a matching base 5. An elastic pad 502 is provided between the matching base 5 and the support column 501;

[0027] The upper side wall of the support seat 2 is connected to the support frame 4, and the upper side wall of the support frame 4 is fixedly connected to the hydraulic cylinder 401, and the output end of the hydraulic cylinder 401 is fixedly connected to the connecting joint 402, and the center of the connecting joint 402 is provided with an electromagnetic suction block 406, and the interior of the connecting joint 402 and the outside of the electromagnetic suction block 406 are provided with a sliding inner groove 4021, and the interior of the sliding inner groove 4021 is slidably connected to a matching slider 405, and the outer side wall of the matching slider 405 is fixedly connected to a limiting plug block 4051, and the connecting joint 402 is detachably connected to the cold heading head 404 through the limiting plug block 4051, and the interior of the upper side wall of the cold heading head 404 is provided with a matching groove 4042, and the matching groove 4042 matches the lower side wall of the connecting joint 402. The cold heading head 404 is combined to improve the stability of the connection. A matching groove 4042 is provided inside the upper side wall of the cold heading head 404. The matching groove 4042 cooperates with the lower side wall of the connecting joint 402 to improve the stability of the connection of the cold heading head 404. The outer side wall of each sliding inner groove 4021 is provided with a matching slide groove 4023. The matching slide groove 4023 is located on the inner side of the connecting joint 402. The matching slide groove 4023 cooperates with the matching slider 405 to improve the sliding stability of the limiting plug 4051. A reset spring 4022 is provided between each of the matching sliders 405 and the electromagnetic suction block 406 to facilitate the reset of the matching slider 405. The upper side wall of the connecting joint 402 is provided with a control knob 403 for controlling the operation of the electromagnetic suction block 406.

[0028] The electrical components appearing in this article are all electrically connected to an external main controller, and the main controller can be a conventional known device that performs control such as a computer. The electrical components appearing in this article are all electrically connected to an external power supply.

[0029] Working principle: The device is provided with a connecting joint 402 and a cold heading head 404. By turning the control knob 403, the electromagnetic suction block 406 can be controlled to work. The electromagnetic suction block 406 can attract the matching slider 405, so that the limit plug 4051 is moved out of the cold heading head 404, and then the cold heading head 404 can be replaced. The operation is convenient, and when replacing the punching head, it is faster and more convenient, which greatly improves the replacement time and also improves work efficiency; the device is provided with a permanent magnet damper 101 and a matching base 5. The permanent magnet damper 101 can absorb the energy transmitted by the support base 2, and the matching base 5 can buffer the vibration transmitted by the support base 2. The combination of the two can effectively reduce the equipment failure rate and improve production continuity and efficiency.

[0030] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the relevant technical field without departing from the purpose of the present invention.

Claims

1. A bolt cold heading machine, characterized in that: include: A support base plate (1), wherein the upper side wall of the support base plate (1) is fixedly connected to a support seat (2), the upper side wall of the support seat (2) is provided with an upper slide groove (201), the interior of the upper slide groove (201) is slidably connected to a cold heading die seat (3), the lower side wall of the support base plate (1) is fixedly connected to a plurality of permanent magnetic dampers (101), the center of the lower side wall of the support base plate (1) is fixedly connected to a support column (501), the lower end of the support column (501) is slidably connected to a matching base (5), and an elastic pad (502) is provided between the matching base (5) and the support column (501); The upper side wall of the support seat (2) is connected to a support frame (4), the upper side wall of the support frame (4) is fixedly connected to a hydraulic cylinder (401), the output end of the hydraulic cylinder (401) is fixedly connected to a connecting joint (402), an electromagnetic suction block (406) is arranged at the center of the connecting joint (402), a sliding inner groove (4021) is arranged inside the connecting joint (402) and outside the electromagnetic suction block (406), a matching slider (405) is slidably connected inside the sliding inner groove (4021), a limiting plug block (4051) is fixedly connected to the outer side wall of the matching slider (405), and the connecting joint (402) is detachably connected to a cold heading head (404) via the limiting plug block (4051).

2. A bolt cold heading machine according to claim 1, characterized in that: The lower side wall of the permanent magnetic damper (101) is fixedly connected to a support pad (102), and the lower side wall of the support pad (102) is provided with anti-slip grooves.

3. A bolt cold heading machine according to claim 1, characterized in that: An electric push rod (202) is arranged inside the support seat (2), and an output end of the electric push rod (202) cooperates with a cold heading die seat (3).

4. A bolt cold heading machine according to claim 1, characterized in that: An upper die groove (301) is provided on the upper side wall of the cold heading die base (3).

5. A bolt cold heading machine according to claim 1, characterized in that: A matching groove (4042) is provided inside the upper side wall of the cold heading head (404), and the matching groove (4042) matches with the lower side wall of the connecting joint (402).

6. A bolt cold heading machine according to claim 5, characterized in that: The inner side wall of the matching groove (4042) is evenly provided with a plurality of matching slots (4041), and the matching slots (4041) match with the limiting plug block (4051).

7. A bolt cold heading machine according to claim 1, characterized in that: The outer side wall of each of the inner sliding grooves (4021) is provided with a matching sliding groove (4023), and the matching sliding groove (4023) is located on the inner side of the connecting joint (402), and the matching sliding groove (4023) matches with the matching sliding block (405).

8. A bolt cold heading machine according to claim 1, characterized in that: A return spring (4022) is provided between each of the matching sliders (405) and the electromagnetic suction block (406), and a control knob (403) is provided on the upper side wall of the connecting joint (402).

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