Feeding tool for free forging

By designing a self-locking free forging feeding tool, and utilizing a toothed bar, toothed groove, and spring structure, the problem of hand discomfort caused by prolonged gripping of the clamping pliers was solved, achieving stable clamping of forgings and labor-saving operation.

CN223876021UActive Publication Date: 2026-02-06HANZHONG XINGHAN MASCH CO LTD
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Patent Information

Application Number
CN202520504288.X
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-06
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

During the free forging process, existing clamps require prolonged gripping, leading to hand soreness and discomfort, and making it difficult to achieve stable clamping of forgings.

Method used

A free forging feeding tool was designed, which adopts a structure of toothed bar, toothed groove, spring and guide groove, so that the clamp head can lock itself to prevent loosening and achieve stable clamping of forgings. The locking state can be released by pulling the pull bar.

Benefits of technology

It enables stable clamping of forgings without the need for continuous gripping of the handle, making operation simple and labor-saving, and is especially suitable for loading small forgings.

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Abstract

The utility model belongs to the technical field of forging tools, and particularly relates to a feeding tool for free forging, which comprises a lower plier handle, an upper plier handle and plier heads, and the front end of the lower plier handle and the front end of the upper plier handle are fixedly connected with the plier heads; the upper portion of the front end of the lower plier handle is fixedly connected with a toothed bar, a plurality of tooth grooves are formed in the rear end of the toothed bar, and the periphery of the outer portion of the bottom end of the toothed bar is connected with a first spring in a sleeved mode. A first guide groove is formed in the inner portion of the front end of the upper plier handle, a fixed sleeve is fixedly connected to the upper portion of the front end of the upper plier handle, a rack is movably connected to the inner portion of the fixed sleeve, and tooth protrusions are integrally formed on the upper side and the lower side of the front end of the rack. The clamp head can be automatically locked and cannot automatically move and loosen, the forge piece can be stably clamped, operation is easy, labor is saved, convenience is achieved, clamping and feeding operation of the forge piece is facilitated, and the clamp is particularly suitable for clamping and feeding in the free forging process of small forge pieces.
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Description

TECHNICAL FIELD

[0001] The utility model belongs to the technical field of forging tools, and particularly relates to a feeding tool for free forging. BACKGROUND

[0002] Free forging is a metal processing technology, and its core process covers multiple steps such as rough steel processing, stretching, punching, bending, cutting, twisting, and shifting. The forged piece produced through the free forging process is called a free forging piece, and free forging is mainly used for small-batch production. This process is well-known for its simple tooling, low cost, strong adaptability, and high flexibility.

[0003] During the free forging process, a clamp is usually used to facilitate the taking and feeding of the forged piece. When using the existing clamp to clamp the forged piece, the operator must continuously hold the two rear handles to prevent the two front clamps from loosening during the clamping process, thereby ensuring that the forged piece can be clamped firmly. However, long-term holding operation can cause hand pain and discomfort, and the use is not good. SUMMARY

[0004] To solve the above problems in the prior art, the utility model provides a feeding tool for free forging, which does not need to hold the lower handle and the upper handle with hands during the clamping process of the forged piece. The clamp head can be automatically locked and will not loosen automatically. The stable clamping of the forged piece can be realized, the operation is simple, labor-saving and convenient, the clamping and feeding operation of the forged piece is facilitated, and it is especially suitable for clamping and feeding in the free forging process of small forged pieces.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a feeding tool for free forging, comprising a lower handle, an upper handle and a clamp head, the front end of the lower handle and the front end of the upper handle are fixedly connected with the clamp head;

[0006] The front end upper part of the lower handle is fixedly connected with a rack bar, a plurality of tooth grooves are formed in the rear end of the rack bar, a spring one is connected around the bottom end of the rack bar, and the upper and lower ends of the spring one are fixedly connected with the upper handle and the lower handle;

[0007] The front end of the upper handle is internally provided with a guide groove one, the upper end of the rack bar is movably connected with the guide groove one, the front end upper part of the upper handle is fixedly connected with a fixed sleeve, the inside of the fixed sleeve is movably connected with a rack, the front end upper and lower sides of the rack are integrally formed with a tooth protrusion, the tooth protrusion is connected with the tooth groove, the rear end of the rack is integrally formed with a pull strip, the front end left and right sides of the tooth protrusion are fixedly connected with a spring two, and the rear end left and right sides of the fixed sleeve are integrally formed with a side protrusion, and the front end of the spring two is fixedly connected with the side protrusion.

[0008] As one kind of free forging feeding tool preferred technical scheme of the utility model, the rear end inside of lower handle is provided with guide groove two, the rear end bottom of upper handle is fixedly connected with guide rod, and the bottom end of guide rod is movably connected with guide groove two, the upper end outside of guide rod is connected with spring three around, and the upper and lower ends of spring three are fixedly connected with upper handle and lower handle respectively.

[0009] As one kind of free forging feeding tool preferred technical scheme of the utility model, the lower handle and upper handle are arc-shaped structure, the front end bottom of lower handle and the front end upper portion of upper handle are fixedly connected with reinforcing rib plate, and the front end of reinforcing rib plate is fixedly connected with tongs head.

[0010] As one kind of free forging feeding tool preferred technical scheme of the utility model, the outer wall of lower handle and upper handle is fixedly connected with handle sleeve around, and the handle sleeve is rubber component.

[0011] As one kind of free forging feeding tool preferred technical scheme of the utility model, the tooth groove and rack are triangular structure, and the tooth groove is linear equidistant distribution.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1、the utility model mainly by lower handle, upper handle and tongs head constitute, when using, through tongs head clamping forging, then hold tightly lower handle and upper handle, to clamp forging, and in this process, through the setting cooperation of tooth bar, tooth groove, spring one, guide groove one, fixed sleeve, rack, tooth convex, draw bar, spring two and side convex, can realize the self-locking limiting of lower handle and upper handle after clamping forging, need not always hold tightly lower handle and upper handle in clamping process, tongs head can be self-locking, will not self-activity loose, can realize the stable clamping of forging, then through pulling draw bar and rack back, make the tooth convex of rack front end and the tooth groove on tooth bar disengage, can quickly release the locking limiting state of lower handle and upper handle with upper handle, and under the resilience of spring one, self-rebound reset, to make tongs head self-activity loose, its operation is simple, labor-saving and convenient, so as to clamp the feeding operation of forging, especially suitable for the clamping feeding use in the free forging process of small forging.

[0014] 2、the utility model in the process of using, through the further setting cooperation of guide groove two, guide rod and spring three, the rear portion of lower handle and upper handle when moving up and down can also be limited and supported, so as to use stably the extension and retraction of lower handle and upper handle, and use better. BRIEF DESCRIPTION OF DRAWINGS

[0015] The accompanying drawings are used to provide further understanding of the present application, and constitute a part of the specification, and are used to explain the present application together with embodiments of the present application, and do not constitute a limitation to the present application. In the drawings:

[0016] Figure 1 is a structural schematic view of the present application;

[0017] Figure 2 is a bottom view structural schematic view of the present application;

[0018] Figure 3 is a bottom view structural schematic view of the present application;

[0019] Figure 4 is a partial structural schematic view of the present application;

[0020] Figure 5 is a bottom view structural schematic view of the present application; Figure 4

[0021] Figure 6 is a side view structural schematic view of the present application. Figure 5 In the drawings: 1, lower handle; 2, upper handle; 3, head; 4, reinforcing rib plate; 5, sleeve; 6, rack; 7, rack slot; 8, spring one; 9, guide slot one; 10, fixed sleeve; 11, rack; 12, tooth convex; 13, stay; 14, spring two; 15, side convex; 16, guide slot two; 17, guide rod; 18, spring three.

[0022] DETAILED DESCRIPTION The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments of the present application. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application. EMBODIMENT

[0023] Please refer to

[0024] Figures 1-6 ​​The utility model provides the following technical scheme: A kind of feeding tool for free forging, including lower handle 1, upper handle 2 and jaw 3, the front end of lower handle 1 and the front end of upper handle 2 are all fixedly connected with jaw 3, lower handle 1 and upper handle 2 are arc structure, the front end bottom of lower handle 1 and the front end upper portion of upper handle 2 are all fixedly connected with reinforcing rib plate 4, and the front end of reinforcing rib plate 4 is fixedly connected with jaw 3, the outer wall of lower handle 1 and upper handle 2 is fixedly connected with handle sleeve 5, and handle sleeve 5 is rubber component, wherein, reinforcing rib plate 4 is used for the reinforcing connection of jaw 3 and lower handle 1 and upper handle 2, by handle sleeve 5 on lower handle 1 and upper handle 2, so that the comfortable holding use of lower handle 1 and upper handle 2.

[0025] Refer to Figure 1 、 Figure 2 、 Figure 3 、 Figure 4 、 Figure 5 And Figure 6 Further, the front end upper portion of lower handle 1 is fixedly connected with rack rod 6, the rear end of rack rod 6 is provided with a plurality of tooth grooves 7, and the tooth grooves 7 are linearly equidistantly distributed, the bottom end of rack rod 6 is peripherally sleeved with spring one 8, and the upper and lower ends of spring one 8 are fixedly connected with upper handle 2 and lower handle 1 respectively.

[0026] The front end of upper handle 2 is provided with guide groove one 9 in the inside, and the upper end of rack rod 6 is movably connected with guide groove one 9, the front end upper portion of upper handle 2 is fixedly connected with fixed sleeve 10, the inside of fixed sleeve 10 is movably connected with rack 11, the front end of rack 11 is integrally formed with tooth protrusion 12 on the upper and lower sides, the tooth grooves 7 and the rack 11 are all triangular structures, and the tooth protrusion 12 is connected with the tooth grooves 7 in a clamping manner, the rear end of rack 11 is integrally formed with pull strip 13, the front end of tooth protrusion 12 is fixedly connected with spring two 14 on the left and right sides, the rear end of fixed sleeve 10 is integrally formed with side protrusion 15 on the left and right sides, and the front end of spring two 14 is fixedly connected with side protrusion 15, wherein, in the process of holding lower handle 1 and upper handle 2 tightly, rack rod 6 can move up relative to guide groove one 9 and compress spring one 8, while rack rod 6 moves up, rack 11 at the front end of rack 11 can be clamped with tooth grooves 7 on rack rod 6 by the elastic cooperation of spring two 14, so as to lock and position lower handle 1 and upper handle 2 which are tightened.

[0027] In the embodiment: in use, the forging is clamped by the jaw 3, and then the lower jaw handle 1 and the upper jaw handle 2 are gripped to clamp the forging, and in the process, through the cooperation of the tooth rod 6, the tooth groove 7, the spring 8, the guide groove 1, the fixed sleeve 10, the rack 11, the tooth protrusion 12, the pull rod 13, the spring 14 and the side protrusion 15, the self-locking limiting of the lower jaw handle 1 and the upper jaw handle 2 after clamping the forging can be realized, and in the clamping process, the lower jaw handle 1 and the upper jaw handle 2 do not need to be gripped by hand all the time, the jaw 3 can be self-locked and cannot be self-loosened, the stable clamping of the forging can be realized, and then by pulling the pull rod 13 and the rack 11 backward, the tooth protrusion 12 at the front end of the rack 11 is separated from the tooth groove 7 on the tooth rod 6, the locking and limiting state of the lower jaw handle 1 and the upper jaw handle 2 can be quickly released, and under the resilience of the spring 8, the lower jaw handle 1 and the upper jaw handle 2 are automatically reset to release the jaw 3, which is simple, labor-saving and convenient, so as to facilitate the clamping and feeding operation of the forging, and is especially suitable for the clamping and feeding in the free forging process of small forgings.

[0028] Referring to Figure 1 , Figure 2 and Figure 3 , further, the rear end of the lower jaw handle 1 is internally provided with a guide groove 16, the rear end of the upper jaw handle 2 is fixedly connected with a guide rod 17, the bottom end of the guide rod 17 is movably connected with the guide groove 16, the upper end of the guide rod 17 is externally connected with a spring 18, and the upper and lower ends of the spring 18 are fixedly connected with the upper jaw handle 2 and the lower jaw handle 1, respectively.

[0029] The use process and working principle of the utility model are as follows: when in use, the lower clamp handle 1 and the upper clamp handle 2 are held by hand, and the forging is clamped by the clamp head 3, then the lower clamp handle 1 and the upper clamp handle 2 are further held tightly to clamp the forging, in this process, the tooth rod 6 can slide on the guide groove 1, and the spring 1 is compressed, at the same time, the rack 11 at the front end of the tooth rod 6 can be clamped with the tooth groove 7 on the tooth rod 6 by the elastic cooperation of the spring 2, the lower clamp handle 1 and the upper clamp handle 2 can be locked and positioned, the clamp head 3 can be locked automatically without being held by hand, and the clamp head 3 cannot be loosened automatically, the stable clamping of the forging can be realized, then the forging is clamped and placed at the machining position, then the tooth protrusion 12 at the front end of the rack 11 is separated from the tooth groove 7 on the tooth rod 6 by pulling the pull rod 13 and the rack 11 backward, the locked and positioned state of the lower clamp handle 1 and the upper clamp handle 2 can be released quickly, the lower clamp handle 1 and the upper clamp handle 2 can be reset automatically under the rebound force of the spring 1 and the spring 3, the clamp head 3 can be opened automatically to place the forging, in this process, the rear part of the lower clamp handle 1 and the upper clamp handle 2 can be positioned and supported by the guide rod 17 sliding on the guide groove 2, the stable use of the lower clamp handle 1 and the upper clamp handle 2 is facilitated, the operation is simple, labor-saving and convenient, the clamping and feeding of the forging are facilitated, and the utility model is especially suitable for the clamping and feeding of the free forging of small forgings.

[0030] In addition, the contents not described in detail in the embodiment are in the category of prior art and common knowledge.

[0031] Finally, it should be noted that: the above is only the preferred embodiment of the utility model, and is not used to limit the utility model, although the utility model is described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical scheme recorded in the foregoing embodiments can be modified, or some technical features can be replaced equivalently. Any modification, equivalent replacement, improvement, etc. within the spirit and principle of the utility model should be included in the protection scope of the utility model.

Claims

1. A charging tool for free forging, characterized by: Including lower handle (1), upper handle (2) and the head (3), the front end of lower handle (1) and the front end of upper handle (2) are fixedly connected with head (3); The upper end of the tooth bar (6) is movably connected with the guide groove one (9), the upper handle (2) is fixedly connected with the tooth bar (11), the tooth bar (11) is integrally formed with the tooth convex (12) on the upper and lower sides of the front end, and the tooth convex (12) is connected with the tooth groove (7), the rear end of the tooth bar (11) is integrally formed with the pull bar (13), the left and right sides of the front end of the tooth convex (12) are fixedly connected with the spring two (14), the rear end of the fixed sleeve (10) is integrally formed with the side convex (15), and the front end of the spring two (14) is fixedly connected with the side convex (15). The rear end of the lower handle (1) is internally provided with a guide groove two (16), the rear end of the upper handle (2) is fixedly connected with a guide rod (17), and the bottom end of the guide rod (17) is movably connected with the guide groove two (16), the upper end of the guide rod (17) is externally connected with a spring three (18), and the upper and lower ends of the spring three (18) are fixedly connected with the upper handle (2) and the lower handle (1).

2. A loading tool for free forging according to claim 1, characterized in that: The lower handle (1) and the upper handle (2) are both arc-shaped structures, the front end bottom of the lower handle (1) and the upper end of the upper handle (2) are fixedly connected with a reinforcing rib plate (4), and the front end of the reinforcing rib plate (4) is fixedly connected with the head (3).

3. The loading tool for free forging according to claim 1, characterized in that: The outer wall of the lower handle (1) and the upper handle (2) is fixedly connected with a handle sleeve (5), and the handle sleeve (5) is a rubber member.

4. The loading tool for free forging according to claim 1, characterized in that: The tooth groove (7) and the tooth bar (11) are both triangular structures, and the tooth groove (7) is linearly and equidistantly distributed.

5. The loading tool for free forging according to claim 1, characterized in that: ​