Ratchet wheel retaining structure of cold header

Abstract

The utility model belongs to the field of ratchet wheels, and particularly relates to a ratchet wheel retaining structure of a cold header, which comprises a machine body, a gear rotationally connected to the left side of the front surface of the machine body, a ratchet wheel fixedly mounted on the front surface of the gear, and a ratchet wheel retaining device arranged on the front surface of the machine body and positioned below the left side of the ratchet wheel, the mounting seat is fixedly mounted on the front side of the machine body, a retaining seat is arranged on the front side of the mounting seat, a containing through groove is formed in the retaining seat, a retaining rod is arranged in the containing through groove in a penetrating mode, and the retaining rod is clamped into the ratchet wheel; the length of raw materials entering the machine body is adjusted through adjustment of the ratchet wheel retaining device and the gear, the retaining rod is installed and contained through arrangement of the installation base, the retaining base and the containing through groove, and the retaining rod penetrates into the ratchet wheel to avoid reverse rotation when the ratchet wheel drives the ratchet wheel retaining device to rotate and adjust. Therefore, the adjustment on the feeding length is influenced.

Description

Technical Field

[0001] The utility model relates to the field of ratchet stops, in particular to a ratchet anti-reverse structure of a cold heading machine. Background Art

[0002] A cold heading machine is a special equipment mainly used for mass-producing fasteners such as nuts and bolts by heading. There are already various models and series of cold heading bolt and nut forming machines, with reliable equipment performance, high efficiency, and stable product quality.

[0003] When a cold heading machine is in production, it is often necessary to send raw materials into it. When feeding, it is often necessary to adjust the rotation of the ratchet through the ratchet teeth according to the feeding length, so as to adjust the feeding length. After the ratchet teeth disengage from the ratchet, the ratchet often reverses, resulting in the failure of adjusting the length and not being able to meet the production requirements. Summary of the Utility Model

[0004] In order to make up for the deficiencies of the prior art, when feeding, it is often necessary to adjust the rotation of the ratchet through the ratchet teeth according to the feeding length, so as to adjust the feeding length. After the ratchet teeth disengage from the ratchet, the ratchet often reverses, resulting in the problem of the failure of adjusting the length. The utility model provides a ratchet anti-reverse structure of a cold heading machine.

[0005] The technical solution adopted by the utility model to solve its technical problems is: a ratchet anti-reverse structure of a cold heading machine, including a machine body. A gear is rotatably connected to the left side of the front surface of the machine body. A ratchet is fixedly installed on the front surface of the gear. A ratchet anti-reverse device is arranged below the left side of the ratchet on the front surface of the machine body;

[0006] The ratchet anti-reverse device includes a mounting seat. The mounting seat is fixedly installed on the front side of the machine body. A reverse stop seat is arranged on the front side of the mounting seat. A receiving through groove is opened inside the reverse stop seat. A reverse stop rod is inserted into the receiving through groove. The reverse stop rod is clamped into the inside of the ratchet.

[0007] Preferably, a spring is inserted into the receiving through groove. One side of the spring penetrates into the inside of the reverse stop rod.

[0008] Preferably, a reverse stop rod anti-rotation screw is threadedly connected to the reverse stop seat. The top of the reverse stop rod anti-rotation screw contacts the bottom of the reverse stop rod.

[0009] Preferably, a spring elasticity adjusting screw is inserted into the left side of the receiving through groove. A nut is threadedly connected to the outside of the spring elasticity adjusting screw.

[0010] Preferably, two limit grooves are threadedly connected to the front side of the mounting seat. A limit rod matched with the limit grooves is opened inside the reverse stop seat. The limit grooves are located inside the limit rod.

[0011] The beneficial effects of the present utility model are as follows:

[0012] The present utility model realizes the adjustment of the length of the raw material entering the interior of the machine body through the ratchet anti-backward device and the adjustment of the gear. The installation seat, the anti-backward seat and the accommodation through groove are provided for installing and accommodating the anti-backward rod. The anti-backward rod penetrates into the interior of the ratchet to prevent the reverse rotation of the ratchet when driving the ratchet anti-backward device to rotate and adjust, thereby affecting the adjustment of the feeding length. Brief Description of the Drawings

[0013] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model or the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the drawings in the following description are only some embodiments of the present utility model. For those of ordinary skill in the art, without creative efforts, other drawings can also be obtained based on these drawings.

[0014] Figure 1 It is a structural schematic diagram of the present utility model;

[0015] Figure 2 It is a structural schematic diagram of the ratchet anti-backward device of the present utility model.

[0016] In the figure: 1, machine body; 2, ratchet; 3, ratchet anti-backward device; 301, mounting seat; 302, anti-backward seat; 303, anti-backward rod; 304, spring; 305, nut; 306, spring tension adjustment screw; 307, accommodation through groove; 308, anti-backward rod anti-rotation screw; 309, limiting rod; 310, limiting groove; 4, gear. Detailed Description of the Embodiments

[0017] The following will clearly and completely describe the technical solutions in the embodiments of the present utility model with reference to the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, rather than all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative efforts belong to the scope of protection of the present utility model.

[0018] The following will further describe the present application in detail Figure 1-2 in conjunction with the attached

[0019] The embodiment of the present application discloses a ratchet anti-backward structure of a cold heading machine. Referring to Figure 1 and Figure 2 , the ratchet anti-backward structure of the cold heading machine includes a machine body 1. A gear 4 is rotatably connected to the left side of the front surface of the machine body 1. A ratchet 2 is fixedly installed on the front surface of the gear 4. A ratchet anti-backward device 3 is provided on the front surface of the machine body 1 and below the left side of the ratchet 2;

[0020] The ratchet anti-reverse device 3 includes a mounting base 301, the mounting base 301 is fixedly installed on the front side of the machine body 1, a anti-reverse base 302 is arranged on the front side of the mounting base 301, a receiving through groove 307 is opened inside the anti-reverse base 302, a anti-reverse rod 303 is inserted inside the receiving through groove 307, and the anti-reverse rod 303 is clamped into the inside of the ratchet 2.

[0021] Refer to Figure 2 , a spring 304 is inserted inside the receiving through groove 307, one side of the spring 304 penetrates into the inside of the anti-reverse rod 303, and the spring 304 is arranged to extrude the anti-reverse rod 303, and then the anti-reverse rod 303 is extruded into the inside of the ratchet 2 to prevent the ratchet 2 from reversing.

[0022] Refer to Figure 2 , a anti-rotation screw 308 of the anti-reverse rod is threadedly connected to the anti-reverse base 302, the top of the anti-rotation screw 308 of the anti-reverse rod contacts the bottom of the anti-reverse rod 303, and the anti-rotation screw 308 of the anti-reverse rod is arranged to limit the anti-reverse rod 303, so as to increase the stability of the anti-reverse rod 303.

[0023] Refer to Figure 2 , a spring elasticity adjusting screw 306 is inserted on the left side of the receiving through groove 307, a nut 305 is threadedly connected to the outside of the spring elasticity adjusting screw 306, and the spring elasticity adjusting screw 306 is arranged to adjust the elasticity of the spring 304, and then adjust the extrusion force of the anti-reverse rod 303 on the ratchet 2.

[0024] Refer to Figure 1 , two limiting grooves 310 are threadedly connected to the front side of the mounting base 301, a limiting rod 309 matched with the limiting grooves 310 is opened inside the anti-reverse base 302, the limiting grooves 310 are located inside the limiting rod 309, and the angles of the anti-reverse base 302 and the anti-reverse rod 303 are adjusted through the arrangement of the limiting rod 309 and the limiting grooves 310, so as to realize that the anti-reverse rod 303 penetrates into the inside of the ratchet 2.

[0025] Working principle: According to the size of the ratchet 2 and the angle of contact between the anti-reverse rod 303 and the ratchet 2, the anti-reverse base 302 is adjusted by loosening the mounting base 301, so that the anti-reverse rod 303 penetrates into the inside of the ratchet 2. During actual use, the ratchet 2 and the gear 4 are adjusted to rotate. When the ratchet 2 rotates, the anti-reverse rod 303 always penetrates into the inside of the ratchet 2 to prevent the ratchet 2 from reversing during adjustment and affecting the adjustment of the feeding length.

[0026] The foregoing has shown and described the basic principles, main features and advantages of the present utility model. Those skilled in the art should understand that the present utility model is not limited by the above embodiments, and what is described in the above embodiments and the specification only illustrates the principles of the present utility model. Without departing from the spirit and scope of the present utility model, the present utility model will have various changes and improvements, and these changes and improvements fall within the scope of the present utility model claimed.

Claims

1. Cold heading machine ratchet stop structure, characterized by: The machine comprises a body (1), the left side of the front of the body (1) being rotatably connected to a gear (4), the front of the gear (4) being fixedly mounted with a ratchet (2), and a ratchet stop device (3) being arranged on the front of the body (1) and located below the left side of the ratchet (2); The ratchet backlash device (3) comprises a mounting seat (301), the mounting seat (301) being fixedly mounted on the front side of the machine body (1), a backlash seat (302) being arranged on the front side of the mounting seat (301), a receiving slot (307) being arranged inside the backlash seat (302), a backlash rod (303) being inserted inside the receiving slot (307), and the backlash rod (303) being snap-connected to the inside of the ratchet (2).

2. The cold heading machine ratchet stop structure according to claim 1, characterized in that: A spring (304) is inserted into the interior of the accommodating through slot (307), and one side of the spring (304) penetrates into the interior of the back-stopping rod (303).

3. The cold heading machine ratchet stop structure according to claim 1, characterized in that: The anti-retraction seat (302) is threadedly connected with an anti-retraction rod anti-rotation screw (308), and the top of the anti-retraction rod anti-rotation screw (308) contacts the bottom of the anti-retraction rod (303).

4. The cold heading machine ratchet stop structure according to claim 1, characterized in that: A spring force adjustment screw (306) is inserted into the left side of the receiving slot (307), and a nut (305) is threadedly connected to the outer side of the spring force adjustment screw (306).

5. The cold heading machine ratchet stop structure according to claim 1, characterized in that: The front side of the mounting seat (301) is threadedly connected with two limiting grooves (310), and the interior of the anti-retraction seat (302) is provided with a limiting rod (309) used in conjunction with the limiting grooves (310), and the limiting grooves (310) are located inside the limiting rod (309).

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