CN210287440U

CN210287440U - Quenching pliers for plate spring processing

Info

Publication number: CN210287440U
Application number: CN201920819867.8U
Authority: CN
Inventors: 蔡春伟; 任秀云
Original assignee: Harbin Institute of Technology Weihai
Current assignee: Harbin Institute of Technology Weihai
Priority date: 2019-06-03
Filing date: 2019-06-03
Publication date: 2020-04-10
Anticipated expiration: 2029-06-03

Abstract

The utility model provides a quenching pliers for plate spring processing, including the first pincers body and the second pincers body, the first pincers body and the second pincers body are arranged relatively, the first pincers body and the second pincers body can move relatively to clamp or loosen the plate spring, a plurality of guide structures are arranged side by side on the first pincers body and the second pincers body, the quenching pliers also includes a plurality of sets of jaw components, the guide structures are arranged corresponding to the jaw components, the jaw components include jaw bodies capable of being used for compressing the plate spring, in the corresponding set of guide structures and jaw components, the guide structures are long, the jaw bodies can move along the extending direction of the guide structures, the extending direction is parallel to the relative direction of the first pincers body and the second pincers body or is an acute angle, the position of the jaw bodies can be adjusted rapidly and accurately by using the guide structures, because the guide structures can limit the jaw bodies, the clamp claw body is not easy to rotate and dislocate, and the processed plate spring has good product consistency.

Description

Quenching pliers for plate spring processing

Technical Field

The utility model relates to a leaf spring processing technology field, concretely relates to quenching pincers for leaf spring processing.

Background

The leaf spring is an important elastic element in a vehicle suspension system, has the functions of buffering and damping, can effectively relieve the vibration of a vehicle body of the vehicle, improves the running stability of the vehicle, and prolongs the service life of each part of the vehicle.

In order to ensure that all technical indexes of the processed and prepared plate spring products meet the requirements, the plate spring is produced and processed by a hard die processing method, and a special plate spring quenching clamp is needed to be used for processing the plate spring in the processing process. Because the leaf spring has different product dimensions, therefore, when the production processing, need adjust the leaf spring quenching pincers according to the production requirement of product to the leaf spring of different dimensions is processed.

The prior plate spring quenching pliers have the following two problems in use:

firstly, in the adjusting stage of the plate spring quenching clamp die, an operator is required to respectively adjust and fasten each quenching clamp claw, and the plate spring quenching clamp is provided with a plurality of quenching clamp claws, so that the adjusting process of the plate spring quenching clamp is long in time consumption, a large amount of labor cost is consumed, and the production period is prolonged;

secondly, because the precision of the plate spring quenching clamp die depends on operators seriously, the fastening of the quenching clamp claw is realized only by the locking nut, so that the problems that the quenching clamp claw is easy to rotate and dislocate and the like in the use process are caused, the plate spring quenching clamp die deforms, and the quality of processed plate spring products is uneven.

Disclosure of Invention

In view of this, an object of the utility model is to provide a quenching pincers for leaf spring processing to solve the long consuming time of mould adjustment that the leaf spring quenches pincers and exists among the prior art, and the insecure problem of quenching claw fixed.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the quenching clamp comprises a first clamp body and a second clamp body, wherein the first clamp body and the second clamp body are used for clamping a plate spring, the first clamp body and the second clamp body are arranged oppositely, the first clamp body and the second clamp body can move relatively to clamp or loosen the plate spring, a plurality of guide structures which are arranged side by side are arranged on the first clamp body and the second clamp body, the quenching clamp further comprises a plurality of groups of clamp claw assemblies, the guide structures and the clamp claw assemblies are correspondingly arranged, each clamp claw assembly comprises a clamp claw body which can be used for pressing the plate spring, one group of guide structures and the clamp claw assemblies which are correspondingly arranged are long, the clamp claw bodies can move along the extension direction of the guide structures, and the extension direction is parallel to or is an acute angle with the relative direction of the first clamp body and the second clamp body.

Preferably, the guide structure includes a guide groove structure forming a guide groove along the extending direction, a part of the jaw body being insertable into the guide groove and movable along the extending direction, and an open end of the guide groove structure having a stopper for restricting the jaw body from coming out of the open end of the guide groove structure.

Preferably, the guide groove structure has a side wall, the top end of the side wall extends towards the inner side of the guide groove structure to form the blocking part, and two adjacent guide groove structures share one side wall.

Preferably, the jaw body includes an adjustment portion insertable into the guide groove and a pressing portion connected to the adjustment portion and capable of pressing the plate spring, the adjustment portion being disposed at a predetermined angle to the pressing portion.

Preferably, the jaw assembly further comprises a locking structure, the locking structure has a locking state and a releasing state, the locking structure is in the locking state, and the position of the adjusting part relative to the guide groove structure is fixed;

the locking structure is in the relaxed state, the regulating part can move relative to the guide groove structure.

Preferably, the locking structure comprises a pressing block, a locking nut and a locking bolt, and the locking bolt penetrates through the guide groove structure, the adjusting part and the pressing block to form threaded fastening connection with the locking nut so as to limit the adjusting part to move relative to the guide groove structure.

Preferably, the jaw assembly further comprises an adjusting structure, the adjusting structure comprises an elastic member and an adjusting fixing block, one end of the adjusting portion, which is far away from the pressing portion, is connected to a first end of the elastic member, a second end of the elastic member is fixedly connected to the adjusting fixing block, the elastic member is located in the guide groove, and when the adjusting portion moves relative to the guide groove structure, the elastic member can be stretched or compressed.

Preferably, the adjusting fixing block is arranged at one end of the guide groove structure far away from the pressing part, two ends of the elastic part are respectively connected with the adjusting fixing block and the adjusting part, and a threaded fastener penetrates through the adjusting fixing block and is connected with the guide groove structure;

and moving the adjusting fixed block to adjust the position of the adjusting fixed block relative to the guide groove structure, so as to stretch or compress the elastic element.

Preferably, the elastic member includes a spring; and/or the presence of a gas in the gas,

the adjusting part and the pressing part are of an integral structure; and/or the presence of a gas in the gas,

the predetermined angle is 90 °.

Preferably, the first clamp body and the second clamp body are arranged oppositely along the vertical direction, the quenching clamp further comprises a first fixing plate connected with the first clamp body and a second fixing plate connected with the second clamp body, a driving device is arranged on the second fixing plate, and the driving device is connected with the first fixing plate so as to drive the first fixing plate and the first clamp body to move relative to the second clamp body along the vertical direction.

Quenching pincers for leaf spring processing in this application owing to be provided with guide structure, can adjust the position of tong claw body fast, accurately through using guide structure, and in to leaf spring course of working, because guide structure can carry on spacingly to the tong claw body, consequently, the difficult circumstances such as dislocation of appearing rotating of tong claw body, the product uniformity of the leaf spring of processing is good.

Use the quenching pincers that are used for leaf spring processing in this application to process the leaf spring, can effectively guarantee the quality of the leaf spring of processing, reduce the time that adjustment tong claw body consumeed, lower operating personnel's technical requirement, shortened production cycle, improved production efficiency, be fit for using widely on a large scale.

Drawings

The above and other objects, features and advantages of the present invention will become more apparent from the following description of the embodiments of the present invention with reference to the accompanying drawings, in which:

fig. 1 is a schematic structural diagram of a first caliper body and a first fixing plate according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a jaw body according to an embodiment of the present invention;

FIG. 3 is a schematic structural view of a first caliper body with a jaw assembly according to an embodiment of the present invention;

FIG. 4 shows an enlarged view of area A in FIG. 3;

FIG. 5 is a view showing the connection structure of the locking structure to the body of the jaw;

FIG. 6 is a view showing a connection structure of an adjusting fixing block, a guide groove and an elastic member;

fig. 7 is a schematic structural diagram of a second caliper body and a second fixing plate according to an embodiment of the present invention;

FIG. 8 is a schematic structural view of a second plier body with a plier jaw assembly mounted thereon according to an embodiment of the invention;

FIG. 9 shows an enlarged view of area B of FIG. 8;

fig. 10 is a schematic view illustrating an overall structure of a quenching clamp according to an embodiment of the present invention.

In the figure:

1. a first caliper body; 11. an upper portion; 12. a lower portion; 13. a first fixing plate;

2. a second caliper body; 21. an upper portion; 22. a lower portion; 23. a second fixing plate;

3. a jaw assembly; 31. a jaw body; 311. an adjustment section; 312. a pressing part; 32. a locking structure; 321. briquetting; 322. locking the nut; 33. an adjustment structure; 331. an elastic member; 332. adjusting the fixed block;

4. a guide structure; 41. a guide groove structure; 411. an open end portion; 412. a blocking portion; 413. a side wall; 42. a guide groove.

Detailed Description

The present invention is described below based on embodiments, and it is understood by those of ordinary skill in the art that the drawings provided herein are for illustrative purposes and are not necessarily drawn to scale.

Unless the context clearly requires otherwise, throughout the description and the claims, the words "comprise", "comprising", and the like are to be construed in an inclusive sense as opposed to an exclusive or exhaustive sense; that is, what is meant is "including, but not limited to".

In the description of the present invention, it is to be understood that the terms "first," "second," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance. In addition, in the description of the present invention, "a plurality" means two or more unless otherwise specified.

Description of the drawings: the upper and lower equal orientations in the present application are described with reference to the orientation shown in fig. 10.

As shown in fig. 1 to 10, the present application provides a quenching pliers for plate spring processing, and the quenching pliers can be used for processing a plate spring (not shown in the drawings), so that the problem of rotation dislocation of a jaw body 31 in the processing process can be effectively avoided, and the consistency of the processed plate spring is good. Moreover, the quenching pliers are used for processing the plate spring, the jaw body 31 is conveniently adjusted, time and labor are saved, and meanwhile, the processing production efficiency is improved.

As shown in fig. 10, fig. 1 and fig. 7, the quenching pliers of the present application include a first pliers body 1 and a second pliers body 2 for clamping a leaf spring, the first pliers body 1 and the second pliers body 2 are oppositely arranged, and the first pliers body 1 and the second pliers body 2 can relatively move to clamp or release the leaf spring. In the actual use process, the first clamp body 1 and the second clamp body 2 are arranged along the vertical direction, the first clamp body 1 is positioned above the second clamp body 2, and the first clamp body 1 and the second clamp body 2 are positioned on the same vertical plane. In the process of processing the plate spring, the second clamp body 2 is fixed, and the first clamp body 1 moves downwards relative to the second clamp body 2 so as to clamp and extrude the plate spring and achieve the purpose of quenching the plate spring. The first caliper body 1 and the second caliper body 2 are approximately in a fan-shaped structure, the lower portion 12 of the first caliper body is adjacent to the upper portion 21 of the second caliper body 2, the lower portion 12 of the first caliper body 1 and the upper portion 21 of the second caliper body 2 are both in an arc shape, the lower portion 12 of the first caliper body 1 and the upper portion 21 of the second caliper body 2 are in the same bending direction, and as shown in fig. 10, the lower portion 12 of the first caliper body 1 and the upper portion 21 of the second caliper body 2 are both downward convex in the vertical direction and have approximately the same curvature.

In a specific embodiment, in order to fix the first caliper body 1 and the second caliper body 2, the quenching caliper further comprises a first fixing plate 13 connected with the first caliper body 1, and a second fixing plate 23 connected with the second caliper body 2. Preferably, the first fixing plate 13 is integrated with the first caliper body 1, the first fixing plate 13 is connected with the upper portion 11 of the first caliper body 1, the second fixing plate 23 is integrated with the second caliper body 2, and the second fixing plate 23 is connected with the lower portion 22 of the second caliper body 2. The second fixing plate 23 is provided with a driving device (not shown in the figure), and the driving device is connected to the first fixing plate 13 to drive the first fixing plate 13 and the first caliper body 1 to move along the vertical direction relative to the second caliper body 2. The driving device is preferably a hydraulic driving device or a pneumatic driving device, and comprises a driving rod, the driving rod is fixedly connected with the first fixing plate 13, and the driving rod performs piston motion along the vertical direction so as to drive the first caliper body 1 to move up and down along the vertical direction.

Further, as shown in fig. 3, 4, 8 and 9, the first caliper body 1 and the second caliper body 2 are respectively provided with a plurality of guide structures 4 arranged side by side, the quenching caliper further includes a plurality of sets of jaw assemblies 3, and the plurality of guide structures 4 and the plurality of sets of jaw assemblies 3 are arranged in a one-to-one correspondence manner. The jaw assembly 3 comprises a jaw body 31 capable of being used for pressing a leaf spring, the guide structure 4 is long in a set of correspondingly arranged guide structures 4 and the jaw assembly 3, the jaw body 31 can move along the extension direction of the guide structures 4, and the first jaw body 1 and the second jaw body 2 are approximately fan-shaped structures, so that the position of the jaw body 31 can be conveniently adjusted to process leaf springs of different specifications, and the extension direction is parallel to or is an acute angle with the relative direction of the first jaw body 1 and the second jaw body 2. Due to the fact that the guide structure 4 is arranged, when the position of the jaw body 31 is adjusted, technical requirements for operators are reduced, labor cost is saved, meanwhile, adjusting time of a fixed die process is shortened, and production efficiency is improved.

In a preferred embodiment, as shown in fig. 1 and 7, the guide structure 4 comprises a guide groove structure 41, the guide groove structure 41 forms a guide groove 42 along the extending direction, a part of the structure of the jaw body 31 can be inserted into the guide groove 42 and can be moved along the extending direction to adjust the length of the jaw body 31 protruding outside the guide groove 42, an open end 411 of the guide groove structure 41 is provided with a stopper 412, and the stopper 412 is used for limiting the jaw body 31 from coming out of the open end 411 of the guide groove structure 41. Here, the open end 411 is a structure that can communicate the guide groove 42 with the outside, in addition to an opening through which the jaw body 31 protrudes outside the guide groove 42, and the opening direction of the open end 411 and the extending direction of the guide groove 42 are perpendicular to each other. Specifically, the guide groove structures 41 have side walls 413, the top ends of the side walls 413 extend towards the inner sides of the guide groove structures 41 to form the blocking portions 412, and two adjacent guide groove structures 41 share one side wall 413, that is, the guide groove 42 is a T-shaped groove. The side wall 413 of the guide groove structure 41 can effectively limit the rotation of the jaw body 31, the jaw body 31 is prevented from rotating in the fixed die and the subsequent processing process, and the processing precision of a plate spring product is improved.

Further, as shown in fig. 2, the jaw body 31 has a substantially T-shaped structure or an L-shaped structure, the jaw body 31 includes an adjusting portion 311 that can be inserted into the guide groove 42 and a pressing portion 312 connected to the adjusting portion 311 that can be used to press the plate spring, and the adjusting portion 311 is disposed at a predetermined angle to the pressing portion 312. Preferably, the predetermined angle is 90 °, i.e., the regulating portion 311 and the pressing portion 312 are perpendicular to each other. The adjusting portion 311 and the pressing portion 312 are integrally formed, and are preferably integrally formed by casting. In a specific embodiment, since the pressing portion 312 is to contact and press the plate spring, the pressing portion 312 has a solid block structure to ensure the reliability of use; since the adjusting portion 311 is to move in the guide groove 42 and needs to be fixedly connected with the guide groove 42 through the locking structure 32, the adjusting portion 311 is of a U-shaped structure so as to pass through the middle space of the U-shaped structure using the locking structure 32, thereby improving fastening efficiency.

Further, as shown in fig. 3, 4, 8 and 9, the jaw assembly 3 further comprises the above-mentioned locking structure 32 for fastening the jaw body 31, the locking structure 32 has a locking state and a releasing state, the locking structure 32 is in the locking state, and the position of the adjusting portion 311 is fixed relative to the guide groove structure 41; in the relaxed state of the locking structure 32, the adjustment portion 311 is able to move relative to the guide slot structure 41. The locking structure 32 includes a pressing block 321, a locking nut 322 and a locking bolt (not shown in the figure), which passes through the guide slot structure 41, the adjusting portion 311 and the pressing block 321 to form a screw fastening connection with the locking nut 322, so as to limit the movement of the adjusting portion 311 relative to the guide slot structure 41. When the pressing block 321 and the adjusting part 311 are pressed tightly and the locking nut 322 and the locking bolt form a threaded fastening connection, the locking structure 32 is in a locking state; when the pressing piece 321 and the adjusting part 311 are not pressed, the locking structure 32 is in a relaxed state.

Further, as shown in fig. 3, 4, 8 and 9, the jaw assembly 3 further includes an adjusting structure 33, the adjusting structure 33 includes an elastic member 331 and an adjusting fixing block 332, an end of the adjusting portion 311 away from the pressing portion 312 is connected to a first end of the elastic member 331, a second end of the elastic member 331 is fixedly connected to the adjusting fixing block 332, the elastic member 331 is located in the guide slot 42, and when the adjusting portion 311 moves relative to the guide slot structure 41, the elastic member 331 can be stretched or compressed. Preferably, the elastic member 331 includes a spring. Of course, it is understood that the elastic member 331 may also include an elastic solid member with a certain elasticity, such as rubber or silicone, to apply a certain pressure to the jaw body 31, and assist the jaw body 31 to press the plate spring, thereby effectively improving the machining precision. Further, as shown in fig. 5 and 6, an adjusting fixing block 332 is disposed at an end of the guide groove structure 41 far from the pressing portion 312, two ends of the elastic member 331 are respectively connected with the adjusting fixing block 332 and the adjusting portion 311, and a threaded fastener penetrates through the adjusting fixing block 332 and is connected with the guide groove structure 41. The threaded fastener is preferably a screw, and the adjusting fixing block 332 has threads therein, and the screw is in threaded connection with the adjusting fixing block 332 and in threaded connection with the guide groove structure 41 through the adjusting fixing block 332, so that the adjusting fixing block 332 is fixed on the guide groove structure 41 to apply force to the elastic member 331. When the length of the elastic member 331 needs to be adjusted, the screw is manually loosened, and the adjusting fixing block 332 can freely move relative to the guide groove structure 41. The adjusting fixing block 332 is moved to adjust the position of the adjusting fixing block 332 relative to the guide groove structure 41, thereby stretching or compressing the elastic member 331.

When the quenching pliers are used for processing the plate spring, the following steps are adopted:

s1, placing a standard plate spring between the first caliper body 1 and the second caliper body 2 by an operator;

s2, only keeping the two jaw bodies 31 of the first jaw body 1 and the second jaw body 2 on two sides of the axis in a locked state, and keeping the rest jaw bodies 31 on the first jaw body 1 and the second jaw body 2 in a released state;

s3, the driving device drives the first clamp body 1 to move downwards until the clamp claw body 31 in the locking state presses the plate spring;

at this time, the jaw bodies 31 provided in the first and second jaws 1 and 2 in the sending state move downward by their own weight and come into contact with the upper surfaces of the standard plate springs, and at this time, the positions of the respective jaw bodies 31 on the first and second jaws 1 and 2 form the mold shape of the plate spring to be processed.

And S4, quickly tightening the locking nut 322 to complete the plate spring fixing process.

After the fixed die process is completed, an operator places the plate spring to be processed between the first clamp body 1 and the second clamp body 2, the driving device drives the first clamp body 1 to move downwards and compress the plate spring to be processed, after the processing process is completed, the driving device controls the first clamp body 1 to move upwards, the operator takes out the plate spring to be processed, the next plate spring to be processed is put in, and the steps are repeated.

By adopting the fixed die method, the time for fixing the die can be effectively shortened, and in the process of fixing the die and processing, the quenching pliers are provided with the guide structures, so that the jaw body is not easy to rotate to cause die deformation, the processed plate spring has good consistency and high yield.

Those skilled in the art will readily appreciate that the above-described preferred embodiments may be freely combined, superimposed, without conflict.

The above is only a preferred embodiment of the present invention, and is not intended to limit the present invention, and those skilled in the art can make various modifications and variations. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included within the protection scope of the present invention.

Claims

1. Quenching pliers for machining a plate spring, comprising a first pliers body and a second pliers body for clamping the plate spring, wherein the first pliers body and the second pliers body are oppositely arranged, and the first pliers body and the second pliers body can relatively move to clamp or loosen the plate spring, and the quenching pliers are characterized in that: the quenching clamp comprises a first clamp body, a second clamp body and a plurality of guide structures, wherein the first clamp body and the second clamp body are respectively provided with a plurality of guide structures which are arranged side by side, the quenching clamp further comprises a plurality of groups of clamp claw assemblies, the guide structures and the clamp claw assemblies are correspondingly arranged, each clamp claw assembly comprises a clamp claw body which can be used for compressing a plate spring, one group of guide structures and the corresponding clamp claw assemblies are correspondingly arranged, each guide structure is long, each clamp claw body can move along the extending direction of each guide structure, and the extending direction is parallel to or is an acute angle with the relative direction of the first clamp body and the second clamp body.

2. The quenching pliers for plate spring machining according to claim 1, characterized in that: the guide structure comprises a guide groove structure, the guide groove structure forms a guide groove along the extending direction, part of the structure of the jaw body can be inserted into the guide groove and can move along the extending direction, and the opening end part of the guide groove structure is provided with a blocking part which is used for limiting the jaw body to be separated from the opening end part of the guide groove structure.

3. The quenching pliers for plate spring machining according to claim 2, characterized in that: the guide groove structure is provided with a side wall, the top end of the side wall extends towards the inner side of the guide groove structure to form the blocking part, and two adjacent guide groove structures share one side wall.

4. The quenching pliers for plate spring machining according to claim 3, characterized in that: the clamp claw body comprises an adjusting part which can be inserted into the guide groove and a pressing part which is connected with the adjusting part and can be used for pressing the plate spring, and the adjusting part and the pressing part are arranged at a preset angle.

5. The quenching pliers for plate spring machining according to claim 4, characterized in that: the clamping jaw assembly further comprises a locking structure, the locking structure is provided with a locking state and a releasing state, the locking structure is in the locking state, and the position of the adjusting part relative to the guide groove structure is fixed;

6. The quenching pliers for plate spring machining according to claim 5, characterized in that: the locking structure comprises a pressing block, a locking nut and a locking bolt, and the locking bolt penetrates through the guide groove structure, the adjusting part and the pressing block to be in threaded fastening connection with the locking nut so as to limit the adjusting part to move relative to the guide groove structure.

7. The quenching pliers for plate spring machining according to claim 4, characterized in that: the jaw assembly further comprises an adjusting structure, the adjusting structure comprises an elastic piece and an adjusting fixing block, one end, far away from the pressing portion, of the adjusting portion is connected with the first end of the elastic piece, the second end of the elastic piece is fixedly connected with the adjusting fixing block, the elastic piece is located in the guide groove, and when the adjusting portion moves relative to the guide groove structure, the elastic piece can be stretched or compressed.

8. The quenching pliers for plate spring machining according to claim 7, characterized in that: the adjusting fixing block is arranged at one end of the guide groove structure far away from the pressing part, two ends of the elastic part are respectively connected with the adjusting fixing block and the adjusting part, and a threaded fastener penetrates through the adjusting fixing block and is connected with the guide groove structure;

9. The quenching pliers for leaf spring machining of claim 7 wherein the resilient member comprises a spring; and/or the presence of a gas in the gas,

the predetermined angle is 90 °.

10. The quenching pliers for plate spring machining according to one of claims 1 to 9, characterized in that: the quenching clamp comprises a first clamp body, a second clamp body, a first fixing plate and a second fixing plate, wherein the first clamp body and the second clamp body are arranged oppositely along the vertical direction, the quenching clamp further comprises the first fixing plate connected with the first clamp body, the second fixing plate connected with the second clamp body is provided with a driving device, and the driving device is connected with the first fixing plate so as to drive the first fixing plate and the first clamp body to move relatively along the vertical direction along the second clamp body.