CN219703112U

CN219703112U - Tool pliers bending device

Info

Publication number: CN219703112U
Application number: CN202320598624.2U
Authority: CN
Inventors: 周文鹤
Original assignee: Zhangjiagang Wealth Hardware Tools Co ltd
Current assignee: Zhangjiagang Wealth Hardware Tools Co ltd
Priority date: 2023-03-24
Filing date: 2023-03-24
Publication date: 2023-09-19
Anticipated expiration: 2033-03-24

Abstract

The utility model discloses a tool pliers bending device, which comprises two pliers bodies, wherein each of the two pliers bodies comprises a working part, a connecting part and a handheld part, the bending device comprises a working platform, a supporting unit and a punching unit, the supporting unit comprises a front supporting seat and a rear supporting seat which are arranged on the working platform at intervals from front to back, and the rear supporting seat is inwards recessed from the front end surface and forms a positioning groove; the stamping unit comprises a bottom die fixedly arranged on the working platform and positioned below the part to be bent of the working part, and a stamping die movably arranged above the part to be bent of the working part. According to the utility model, the front and rear supporting seats are arranged, and two pliers bodies are synchronously bent and formed once in a state that the pliers jaws of the tool pliers are closed, so that the ends of the pliers bodies can be kept aligned after bending, errors are reduced, and the production yield is effectively improved; meanwhile, complicated clamping and discharging processes are omitted, feeding and discharging operations are simple and convenient, labor intensity is low, and production efficiency is high.

Description

Tool pliers bending device

Technical Field

The utility model belongs to the technical field of machine manufacturing, and particularly relates to a tool clamp bending device.

Background

As is well known, tool pliers are generally formed by intersecting and rotationally connecting two pliers bodies, wherein the pliers heads of the pliers bodies are assembled after being processed into various structures according to specific design requirements so as to manufacture various tool pliers with different functions.

At present, in the traditional processing procedure of stamping and bending aiming at the jaws of an expansion type tool pliers, firstly, the end part of a single pliers body is stamped and bent, and then, two pliers bodies which are bent are assembled to obtain a tool pliers product.

However, during actual processing, there are the following drawbacks:

1. due to the influence of clamping position errors, each clamp body can generate different errors when being punched and bent independently, so that the problem of misalignment of the end parts of the two clamp bodies is easy to occur during assembly, the assembly precision is poor, and the production yield is low;

2. the structure is complicated, the clamping and the disassembling operation processes are complex, the labor intensity is high, and the production efficiency is low.

Disclosure of Invention

The utility model aims to overcome the defects of the prior art and provide an improved tool clamp bending device.

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides a tool pliers bending device, the tool pliers includes two pincers bodies, wherein two pincers bodies include work portion, connecting portion and handheld portion respectively, bending device includes work platform, supporting unit and punching press unit, wherein the supporting unit includes preceding supporting seat and back supporting seat that the interval set up on work platform around, back supporting seat inwards sunken and forms the constant head tank from the preceding terminal surface, two handheld portion keep flat side by side on preceding supporting seat about, two work portions insert in the constant head tank from the tip closure, and the position of waiting to buckle of two work portions is located between preceding supporting seat and the back supporting seat; the stamping unit comprises a bottom die fixedly arranged on the working platform and positioned below the part to be bent of the working part, and a stamping die movably arranged above the part to be bent of the working part, wherein the bottom die is inwards recessed from the top surface to form a stamping groove, and the stamping die is used for stamping and driving the two working parts to be synchronously bent and formed in the stamping groove at one time from top to bottom.

Preferably, the front supporting seat is further provided with a limiting module, and when the two handheld parts are placed on the front supporting seat, the limiting module is attached to the inner side or/and the outer side of the two handheld parts and prevents the two pliers from rotating relatively. This arrangement prevents the two working parts from being opened relatively during the stamping process.

Specifically, the two clamp bodies are arranged side by side and are rotationally connected from the connecting part; the limiting module is arranged between the two handheld parts, and the limiting module is correspondingly attached to the inner sides of the two handheld parts from the two opposite sides.

Preferably, the front supporting seat comprises a front seat body and a supporting module fixedly arranged on the top surface of the front seat body, wherein the supporting module is inwards sunken from the top surface and forms a placing groove, the limiting module is fixedly arranged at the bottom of the placing groove, and each handheld part is placed in the placing groove and is attached to the corresponding side edge of the limiting module. The arrangement is convenient for the hand-hold part to be positioned on the front supporting seat rapidly.

Preferably, the rear supporting seat comprises a rear seat body and a supporting plate detachably connected to the top of the rear seat body, wherein the positioning groove is formed in the supporting plate, and the working part is inserted into the positioning groove from front to back and abuts against the rear end of the positioning groove from the end part. The device is simple to assemble and disassemble, and convenient for workers to maintain and replace regularly.

Further, the rear end face of the positioning groove forms a downward arched guide cambered surface.

Preferably, at least two positioning grooves are formed on the supporting plate, and the positioning grooves of at least two are arranged side by side at intervals. The setting like this can realize that a plurality of instrument pincers carry out punching press bending in step, effectively promotes production efficiency.

Preferably, the support plate protrudes forward from the front end surface and the rear seat body, wherein the portion of the support plate protruding out of the rear seat body is supported on the top surface of the bottom die from the bottom surface, and the positioning groove penetrates through the support plate up and down, and when the working part is inserted in the positioning groove, the working part is supported on the top surface of the bottom die from the bottom surface. By the arrangement, during stamping, deformation of other parts of the working part can be reduced, and bending precision is improved.

Preferably, when the working part is inserted in the positioning groove, at least one of the two connecting parts protrudes downwards and can be abutted against the front side surface of the bottom die. The setting is so that the worker can conveniently judge whether the tool pliers are put in place each time.

Preferably, the working platform is provided with a plurality of guide rods, and the stamping die comprises a die holder sleeved on the guide rods, a die body fixedly arranged on the bottom surface of the die holder and a driving piece for driving the die holder to move up and down along the guide rods.

Due to the implementation of the technical scheme, compared with the prior art, the utility model has the following advantages:

according to the utility model, the front and rear supporting seats are arranged, and two pliers bodies are synchronously bent and formed once in a state that the pliers jaws of the tool pliers are closed, so that the ends of the pliers bodies can be kept aligned after bending, errors are reduced, and the production yield is effectively improved; meanwhile, the device has the advantages of simple structure, simple and convenient loading and unloading operation, low labor intensity and high production efficiency, and complicated clamping and unloading processes are omitted.

Drawings

The utility model will be described in further detail with reference to the drawings and the detailed description.

FIG. 1 is a schematic view of the structure of the tool pliers of the present utility model;

FIG. 2 is a schematic front view of a tool pliers bending device of the present utility model;

FIG. 3 is a left side schematic view of FIG. 2;

FIG. 4 is a schematic cross-sectional view of A-A of FIG. 3;

FIG. 5 is an enlarged schematic view of the structure of the support plate of FIG. 4;

FIG. 6 is a schematic view in section B-B of FIG. 5;

wherein: q, a clamp body; q1, a working part; q2, a handheld part; q3, a connection part;

1. a working platform; g. a guide rod;

2. a supporting unit; 20. a front support base; 200. a front seat body; 201. a support module; c1, placing a groove; k1, a limit module; 21. a rear support base; 210. a rear seat body; k2, cushion blocks; 211. a support plate; c2, positioning grooves;

3. a punching unit; 30. a bottom die; c3, punching a groove; k3, an auxiliary module; 31. stamping die; 310. a die holder; 311. and a die body.

Detailed Description

In order that the above objects, features and advantages of the utility model will be readily understood, a more particular description of the utility model will be rendered by reference to the appended drawings. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present utility model. The present utility model may be embodied in many other forms than described herein and similarly modified by those skilled in the art without departing from the spirit of the utility model, whereby the utility model is not limited to the specific embodiments disclosed below.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.

In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.

As shown in fig. 1, the tool pliers Q according to the present embodiment are expanding tool pliers, and include two pliers bodies, wherein each of the two pliers bodies includes a working portion Q1, a holding portion Q2, and a connecting portion Q3 connected between the working portion Q1 and the holding portion Q2, and the two pliers bodies are arranged side by side and are rotatably connected from the connecting portion Q3.

As shown in fig. 2 to 6, the tool pliers bending device according to the present embodiment includes a work platform 1, a support unit 2, and a punching unit 3.

Specifically, the supporting unit 2 includes a front supporting seat 20 and a rear supporting seat 21 that are disposed on the working platform 1 at intervals in front and back, the front supporting seat 20 includes a front seat body 200, and a supporting module 201 fixedly disposed on a top surface of the front seat body 200, wherein the supporting module 201 is recessed inward from the top surface and forms a placement groove c1; the rear supporting seat 21 comprises a rear seat body 210 and a supporting plate 211 detachably connected to the top of the rear seat body 210, wherein the supporting plate 211 is recessed inwards from the front end surface and forms a positioning groove c2, during processing, two handheld parts Q2 of the tool pliers Q are horizontally placed in a placing groove c1 on the front supporting seat 20 side by side, two working parts Q1 of the tool pliers Q are inserted into the positioning groove c2 from the front to the rear in a closed mode from the end part, the end parts of the two working parts Q1 are abutted against the rear end of the positioning groove c2, and the to-be-bent parts of the two working parts Q1 are located between the front supporting seat 20 and the rear supporting seat 21.

For convenience of implementation, the front supporting seat 20 is further provided with a limiting module k1, and when the two handheld portions Q2 are placed on the front supporting seat 20, the limiting module k1 is attached to the inner side or/and the outer side of the two handheld portions Q2 and blocks the two pliers from relatively rotating. In this example, since the tool pliers Q are expanded, the limiting module k1 is disposed between the two handheld portions Q2, and the limiting module k1 is fixedly disposed at the bottom of the placement groove c1 and is in a trapezoid gradually widening from the back to the front, each handheld portion Q2 is placed in the placement groove c1, and the limiting module k1 is correspondingly attached to the inner sides of the two handheld portions Q2 from two opposite sides. This arrangement prevents the two working parts from being opened relatively during the stamping process.

Two positioning grooves c2 are formed in the supporting plate 211, wherein the two positioning grooves c2 are arranged side by side at intervals left and right, and the rear end face of each positioning groove c2 forms a downward arched guide cambered surface. The setting like this can realize that a plurality of instrument pincers carry out punching press bending in step, effectively promotes production efficiency.

In this example, the stamping unit 3 includes a bottom die 30 fixedly disposed on the working platform 1 and located below a portion to be bent of the working portion Q1, and a stamping die 31 movably disposed above the portion to be bent of the working portion Q1, where the bottom die 30 is recessed inward from a top surface and forms a V-shaped stamping slot c3, and the stamping die 31 stamps from top to bottom and drives the two working portions Q1 to be bent and formed in the stamping slot c3 at one time synchronously.

In order to further facilitate implementation, the top surface of the rear seat body 210 is provided with a cushion block k2, the supporting plate 211 is connected to the cushion block k2 through a bolt, and the supporting plate 211 is protruded out of the rear seat body 210 from the front end surface, wherein the part of the supporting plate 211 protruded out of the rear seat body 210 is supported on the top surface of the bottom die 30 from the bottom surface, and the positioning groove c2 vertically penetrates through the supporting plate 211, when the working part Q1 is inserted into the positioning groove c2, the working part Q1 is supported on the top surface of the bottom die 30 from the bottom surface, and deformation of other parts of the working part can be reduced during stamping, thereby being beneficial to improving bending precision; an auxiliary module k3 for ensuring the interval between the bottom die 30 and the front seat body 200 is further arranged between the bottom die 30 and the front seat body 200, wherein the front seat body 200, the auxiliary module k3, the bottom die 30 and the rear seat body 210 are tightly attached to the working platform 1 from front to back in sequence.

Meanwhile, when the working portion Q1 is inserted into the positioning groove c2, one of the two connecting portions Q3 protrudes downward and can abut against the front side surface of the bottom die 30. The setting is so that the worker can conveniently judge whether the tool pliers are put in place each time.

In addition, four guide rods g are arranged on the working platform 1, and the stamping die 31 comprises a die holder 310 sleeved on the four guide rods g, a die body 311 fixedly arranged on the bottom surface of the die holder 310, and a driving piece for driving the die holder 310 to move up and down along the four guide rods g. The die body 311 and the punching groove c3 on the bottom die 30 are selected according to the design and bending requirements of the specific tool pliers.

Therefore, the present embodiment has the following advantages:

1. by arranging the front supporting seat and the rear supporting seat, two pliers bodies are synchronously bent and formed at one time under the state that the pliers jaws of the tool pliers are closed, the ends of the pliers bodies can be ensured to be aligned after being bent, errors are reduced, and therefore the production yield is effectively improved;

2. simple structure can save complicated clamping and unloading process, goes up unloading easy operation, convenience, low in labor strength, production efficiency is high.

The present utility model is described in detail above, but the present utility model is not limited to the above-described embodiments. All equivalent changes or modifications made in accordance with the spirit of the present utility model should be construed to be included in the scope of the present utility model.

Claims

1. Tool pliers bending device, the tool pliers includes two pincers bodies, wherein two pincers bodies each include work portion, connecting portion and handheld portion, its characterized in that: the bending device comprises a working platform, a supporting unit and a stamping unit, wherein the supporting unit comprises a front supporting seat and a rear supporting seat which are arranged on the working platform at intervals from front to back, the rear supporting seat is inwards recessed from the front end surface and forms a positioning groove, two handheld parts are horizontally placed on the front supporting seat side by side, two working parts are closely inserted in the positioning groove from the end parts, and the parts to be bent of the two working parts are positioned between the front supporting seat and the rear supporting seat; the stamping unit comprises a bottom die fixedly arranged on the working platform and positioned below the part to be bent of the working part, and a stamping die movably arranged above the part to be bent of the working part, wherein the bottom die is inwards recessed from the top surface to form a stamping groove, and the stamping die is stamped from top to bottom and drives two working parts to be synchronously bent and formed in the stamping groove at one time.

2. The tool pliers bending device of claim 1, wherein: and the front supporting seat is also provided with a limiting module, and when the two handheld parts are placed on the front supporting seat, the limiting module is attached to the inner sides or/and the outer sides of the two handheld parts and prevents the two pliers from rotating relatively.

3. The tool pliers bending device of claim 2, wherein: the two clamp bodies are arranged side by side and are rotationally connected from the connecting part; the limiting module is arranged between the two handheld parts, and the limiting module is correspondingly attached to the inner sides of the two handheld parts from two opposite sides.

4. A tool pliers bending device as defined in claim 3 wherein: the front supporting seat comprises a front seat body and supporting modules fixedly arranged on the top surface of the front seat body, wherein the supporting modules are inwards sunken from the top surface and form a placing groove, the limiting modules are fixedly arranged at the bottom of the placing groove, and each handheld part is placed in the placing groove and attached to the corresponding side edge of the limiting module.

5. The tool pliers bending device of claim 1, wherein: the back supporting seat comprises a back seat body and a supporting plate detachably connected to the top of the back seat body, wherein the positioning groove is formed in the supporting plate, and the working part is inserted into the positioning groove from front to back and abuts against the rear end of the positioning groove from the end part.

6. The tool pliers bending device of claim 5 wherein: the rear end face of the positioning groove forms a downward arched guide cambered surface.

7. Tool pliers bending device according to claim 5 or 6, characterized in that: at least two positioning grooves are formed in the supporting plate, and the left positioning grooves and the right positioning grooves are arranged at intervals side by side.

8. The tool pliers bending device of claim 5 wherein: the back seat body is extruded forward from the front end face to the backup pad, wherein the backup pad is extruded the part of back seat body is supported from the bottom surface the top surface of die block, just the constant head tank runs through from top to bottom the backup pad, when the working portion inserts in the constant head tank, the working portion is supported from the bottom surface the top surface of die block.

9. The tool pliers bending device of claim 8, wherein: when the working part is inserted into the positioning groove, at least one of the two connecting parts protrudes downwards and can be abutted against the front side surface of the bottom die.

10. The tool pliers bending device of claim 1, wherein: the stamping die comprises a die holder sleeved on the guide rods, a die body fixedly arranged on the bottom surface of the die holder and a driving piece for driving the die holder to move up and down along the guide rods.