Fixing tool for thinning steel plate spring

Abstract

The utility model discloses a fixing tool for thinning a steel plate spring, which comprises a base, at least one positioning piece is arranged on the base, a positioning part is arranged on the positioning piece, a fixing seat is arranged above the positioning part, the steel plate spring is arranged on the side surface of the fixing seat, and a limiting part is arranged on the side surface of the fixing seat. The limiting part is used for limiting one end of the steel plate spring; a limiting piece is arranged on the positioning piece of the base and is matched with the limiting part of the fixed seat to fix the steel plate spring on the side surface of the fixed seat; two sets of positioning pieces are arranged on the base, limiting parts are arranged on the two sides of the fixing seat, the steel plate springs are arranged on the two sides of the fixing part and abut against the limiting parts, limiting pieces are arranged at the tail ends of the steel plate springs, and the steel plate springs can be fixed to the side face of the fixing seat through the limiting pieces and the limiting parts; the side face of the positioning part on the positioning piece is used for conducting thinning machining on the steel plate spring; the two sets of positioning pieces on the base can fix four steel plate spring parts at the same time, a machining thinning datum plane is provided, and therefore the machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel leaf spring processing, and in particular relates to a fixing tool used for thinning a steel leaf spring. Background Art

[0002] In order to improve the elasticity of the leaf spring, it is usually necessary to thin the side of the leaf spring. During the thinning operation, the side of the leaf spring needs to be milled thin with a tool. Therefore, during the milling operation, the leaf spring needs to be fixed and the side that needs to be milled thin is exposed. At the same time, a reference surface for milling thinning needs to be provided. The existing leaf spring fixing device does not have a milling thinning reference surface for the leaf spring, and the clamp for fixing the leaf spring can only fix one at a time, which is inconvenient to process and has low processing efficiency. Utility Model Content

[0003] The utility model aims to provide a fixing tool for thinning a leaf spring, which can fix a plurality of leaf springs at the same time and provide a processing reference for the thinning of the leaf springs.

[0004] The utility model is realized by the following technical solutions:

[0005] A fixing tool for thinning a leaf spring comprises a base, wherein at least one positioning member is arranged on the base, a positioning portion is arranged on the positioning member, the positioning portion is protrudingly arranged, a fixing seat is arranged above the positioning portion, the leaf spring is arranged on the side of the fixing seat and abuts against the positioning portion, and the side of the positioning portion on the positioning member is used to provide a processing reference surface for thinning the leaf spring; at least one limiting portion is arranged on the side of the fixing seat, the limiting portion is protrudingly arranged on the side of the fixing seat, and the limiting portion is used to limit one end of the leaf spring; at least one limiting member is arranged on the positioning member, one end of the limiting member extends into the assembly hole of the leaf spring, and the limiting member cooperates with the limiting portion of the fixing seat to fix the leaf spring on the side of the fixing seat.

[0006] Furthermore, a clamping piece is provided on the limiting portion of the fixing seat, and the clamping piece is connected to the fixing seat by bolts, and the clamping piece is used to clamp the leaf spring on the side of the fixing seat.

[0007] Furthermore, a waist-shaped hole is provided on the pressing piece.

[0008] Furthermore, a pressure plate is provided on the fixing seat, and the pressure plate is connected to the fixing seat by bolts; the side surface of the pressure plate cooperates with the side surface of the positioning part on the positioning member to provide a processing reference surface for thinning the leaf spring, and the pressure plate is used to compress the leaf spring.

[0009] Furthermore, a limiting groove is provided on the fixing seat, and a connecting portion is provided at the bottom of the pressing plate, and the connecting portion is inserted into the limiting groove to position the pressing plate on the fixing seat.

[0010] Furthermore, an elastic member is arranged in the limiting groove, and the elastic member is arranged between the limiting groove and the connecting portion of the pressing plate.

[0011] Furthermore, a plurality of mounting holes are provided on the base.

[0012] Compared with the prior art, the utility model has the following advantages and beneficial effects:

[0013] 1) In the utility model, two groups of positioning members are arranged on the base, the positioning members are provided with protruding positioning parts, the surface of the positioning parts is provided with fixing seats, limiting parts are arranged on both sides of the fixing seats, the leaf springs are arranged on both sides of the fixing parts and abut against the limiting parts, and at the same time, limiting members are arranged at the ends of the leaf springs, and the leaf springs can be fixed to the sides of the fixing seats by the limiting members and the limiting parts on the fixing seats; in addition, the sides of the positioning parts on the positioning members can be used to perform thinning processing on the leaf springs; the two groups of positioning members on the base can fix four leaf spring parts at the same time, so that the four leaf spring parts can be processed at the same time, and a processing thinning reference surface is provided, thereby improving the processing efficiency.

[0014] 2) In the utility model, a clamping member is provided on the side of the fixing seat, and a pressure plate is provided above the fixing seat. The clamping member can press the leaf spring against the side of the fixing seat, and the pressure plate can press the leaf spring against the surface of the positioning portion of the positioning member and limit the leaf spring. At the same time, the side edge of the pressure plate cooperates with the edge of the positioning portion, which can also provide a thinned reference surface for the leaf spring. The cooperation between the pressure plate and the positioning portion of the positioning member can improve the processing accuracy of the thinned surface on the leaf spring. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings in the embodiments will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without creative work.

[0016] Figure 1 The utility model is a schematic diagram of the overall structure of the fixing fixture used for thinning the leaf spring.

[0017] Figure 2 The utility model is a schematic structural diagram of a fixing seat in a fixing tool for thinning a leaf spring.

[0018] Among them: 1-base, 11-mounting hole, 2-positioning piece, 21-positioning part, 3-fixing seat, 31-limiting part, 32-limiting groove, 4-limiting piece, 5-pressing piece, 6-pressure plate, 7-leaf spring. DETAILED DESCRIPTION

[0019] In order to make the purpose, technical solutions and advantages of the embodiments of the utility model clearer, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments.

[0020] Embodiment 1:

[0021] The main structure of this embodiment is a fixing fixture for thinning a leaf spring, such as Figure 1 and Figure 2 As shown, it includes a base 1, on which at least one positioning member 2 is arranged, and a positioning portion 21 is arranged on the positioning member 2, and the positioning portion 21 is protrudingly arranged. A fixing seat 3 is arranged above the positioning portion 21, and the leaf spring 7 is arranged on the side of the fixing seat 3 and abuts against the positioning portion 21. The side of the positioning portion 21 on the positioning member 2 is used to provide a processing reference surface for thinning the leaf spring 7; at least one limiting portion 31 is arranged on the side of the fixing seat 3, and the limiting portion 31 is protrudingly arranged on the side of the fixing seat 3, and the limiting portion 31 is used to limit one end of the leaf spring 7; at least one limiting member 4 is arranged on the positioning member 2 of the base 1, and one end of the limiting member 4 extends into the assembly hole of the leaf spring 7, and the limiting member 4 cooperates with the limiting portion 31 of the fixing seat 3 to fix the leaf spring 7 on the side of the fixing seat 3.

[0022] The base 1 is preferably a square or rectangular metal plate-shaped structural member, on which two positioning members 2 are arranged, each positioning member 2 is provided with a protruding positioning portion 21, and a fixing seat 3 is provided on the positioning portion 21. Both sides of the fixing seat 3 are provided with limiting portions 31, and the limiting portions 31 are located at the ends of the surface of the fixing seat 3. The limiting portions 31 are protrudingly arranged on the side of the fixing seat 3. After the leaf spring 7 is arranged on the side of the fixing seat 3, one end of the leaf spring 7 abuts against the limiting portion 31, and the side of the leaf spring 7 abuts against the side of the fixing seat 3; two limiting members 4 are also arranged on the positioning member 2, and the limiting members 4 and the fixing seat 3 are screwed together. Bolt connection, a limit member 4 matches the limit part 31 on one side of the fixing seat 3, the leaf spring 7 is arranged between the limit part 31 of the fixing seat 3 and the limit member 4, one end of the limit member 4 extends into the assembly hole of the leaf spring 7 and abuts against the assembly hole to fix the leaf spring 7; in addition, the curvature of the side surface of the positioning part 21 on the positioning member 2 is consistent with the curvature of the surface of the leaf spring 7 that needs to be thinned. During the thinning cutting operation, the tool can be placed against the side surface of the positioning part 21 to perform thinning cutting operations on the side surface of the leaf spring 7, and the side surface of the positioning part 21 provides a processing reference surface for the thinning operation of the leaf spring 7.

[0023] Embodiment 2:

[0024] Based on the above embodiment, this embodiment further adds a pressing member 5, such as Figure 1 As shown, a pressing member 5 is provided on the limiting portion 31 of the fixing seat 3, and the pressing member 5 is connected to the fixing seat 3 by bolts. The pressing member 5 is used to press the leaf spring 7 on the side of the fixing seat 3. The pressing member 5 is preferably a plate-shaped structural member, and the pressing member 5 is arranged on the side of the upper limit portion 31 of the fixing seat 3. One side of the pressing member 5 abuts against the surface of the leaf spring 7 to press the leaf spring 7, and the pressing member 5 is connected to the fixing seat 3 by bolts. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0025] Embodiment 3:

[0026] On the basis of the above embodiment, this embodiment further defines a clamping member 5, and a waist-shaped hole is provided on the clamping member 5. The waist-shaped hole is provided on the clamping member 5, and a bolt passes through the waist-shaped hole to fix the clamping member 5 on the surface of the limiting portion 31 of the fixing seat 3. The waist-shaped hole can be used to adjust the protruding length of the clamping member 5 on the limiting portion 31, so that the contact area between the clamping member 5 and the half spring can be adjusted, so that the clamping member 5 can better compress the leaf spring 7. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0027] Embodiment 4:

[0028] On the basis of the above embodiment, this embodiment further adds a pressure plate. A pressure plate 6 is provided on the fixing seat 3, and the pressure plate 6 is connected to the fixing seat 3 by bolts. The side of the pressure plate 6 cooperates with the side of the positioning part 21 on the positioning member 2 to provide a processing reference surface for thinning the leaf spring 7. The pressure plate 6 is used to press the leaf spring 7. The pressure plate 6 is provided above the fixing seat 3, and the pressure plate 6 is also connected to the fixing seat 3 by bolts. The edge of the pressure plate 6 cooperates with the edge of the positioning part 21 on the positioning member 2. The edge of the pressure plate 6 and the edge of the positioning part 21 simultaneously provide a processing reference surface for thinning the leaf spring 7. The tool is close to the edge of the pressure plate 6 and the positioning part 21 to cut and thin the leaf spring 7. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0029] Embodiment 5:

[0030] On the basis of the above embodiment, the present embodiment further defines the pressing plate 6, the fixing seat 3 is provided with a limiting groove 32, the bottom of the pressing plate 6 is provided with a connecting portion, the connecting portion is inserted into the limiting groove 32 to position the pressing plate 6 on the fixing seat 3. The bottom of the pressing plate 6 is provided with a connecting portion, the connecting portion is protrudingly provided, and at the same time, the fixing seat 3 is provided with a limiting groove 32 that matches the connecting portion, the connecting portion of the pressing plate 6 can extend into the limiting groove 32, the connecting portion and the limiting groove 32 match, and the pressing plate 6 can be positioned on the fixing seat 3, so that the edge of the pressing plate 6 can correspond to the edge of the positioning portion 21 on the positioning member 2, thereby providing a thinned reference surface for the leaf spring 7. The other parts of the present embodiment are the same as the above embodiment, and will not be repeated here.

[0031] Embodiment 6:

[0032] On the basis of the above embodiment, this embodiment further adds an elastic member, and the elastic member is arranged in the limit groove 32, and the elastic member is arranged between the limit groove 32 and the connection part of the pressure plate 6. The limit groove 32 is provided with an elastic member, and the elastic member is preferably a spring, and two groups of elastic members are provided. At the same time, a clearance hole is provided on the connection part of the pressure plate 6, and the other end of the elastic member can be inserted into the clearance hole. When the steel leaf spring 7 is processed, the bolts on the pressure plate 6 are loosened, and the pressure plate 6 will be lifted up under the elastic force of the elastic member, which is convenient for disassembling the steel leaf spring 7. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0033] Embodiment 7:

[0034] Based on the above embodiment, this embodiment further defines a base 1, and the base 1 is provided with a plurality of mounting holes 11. The base 1 is provided with a plurality of mounting holes 11, and preferably, the mounting holes 11 are provided on both sides of the base 1, and bolts pass through the mounting holes 11 on the base 1 to connect with the external processing platform to fix the base 1. The other parts of this embodiment are the same as the above embodiment, and will not be repeated here.

[0035] In the description of the present utility model, it should be noted that the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. used to indicate the orientation or position relationship are based on the orientation or position relationship shown in the accompanying drawings, or are the orientation or position relationship in which the utility model product is usually placed when used. They are only for the convenience of describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model.

[0036] In addition, if the terms "horizontal" or "vertical" appear in the description of the present invention, it does not mean that the components are required to be absolutely horizontal or suspended, but can be slightly tilted. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but can be slightly tilted.

[0037] In the description of the present invention, it is also necessary to explain that, unless otherwise clearly specified and limited, the terms "set", "install", "connect", and "connect" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] The above description is only a preferred embodiment of the present invention and does not limit the present invention in any form. Any simple modification or equivalent changes made to the above embodiments based on the technical essence of the present invention shall fall within the protection scope of the present invention.

Claims

1. A fixing device for thinning a leaf spring, characterized in that: It includes a base, at least one positioning member is provided on the base, a positioning part is provided on the positioning member, the positioning part is protruding, a fixing seat is provided above the positioning part, the leaf spring is provided on the side of the fixing seat and abuts against the positioning part, the side of the positioning part on the positioning member is used to provide a processing reference surface for thinning the leaf spring; at least one limiting part is provided on the side of the fixing seat, the limiting part is protruding on the side of the fixing seat, and the limiting part is used to limit one end of the leaf spring; at least one limiting member is provided on the positioning member, one end of the limiting member extends into the assembly hole of the leaf spring, and the limiting member cooperates with the limiting part of the fixing seat to fix the leaf spring on the side of the fixing seat.

2. The fixing fixture for thinning a leaf spring as claimed in claim 1, characterized in that: A pressing piece is arranged on the limiting portion of the fixing seat, and the pressing piece is connected to the fixing seat by bolts. The pressing piece is used to press the leaf spring against the side of the fixing seat.

3. The fixing fixture for thinning a leaf spring as claimed in claim 2, characterized in that: The pressing piece is provided with a waist-shaped hole.

4. The fixing fixture for thinning a leaf spring as claimed in claim 1, characterized in that: A pressure plate is provided on the fixing seat, and the pressure plate is connected to the fixing seat by bolts; the side surface of the pressure plate cooperates with the side surface of the positioning part on the positioning member to provide a processing reference surface for thinning the leaf spring, and the pressure plate is used to compress the leaf spring.

5. The fixing device for thinning a leaf spring as claimed in claim 4, characterized in that: The fixing seat is provided with a limiting groove, and the bottom of the pressing plate is provided with a connecting portion, and the connecting portion is inserted into the limiting groove to position the pressing plate on the fixing seat.

6. The fixing fixture for thinning a leaf spring as claimed in claim 5, characterized in that: An elastic member is arranged in the limiting groove, and the elastic member is arranged between the limiting groove and the connecting portion of the pressing plate.

7. The fixing device for thinning a leaf spring as claimed in claim 1, characterized in that: The base is provided with a plurality of mounting holes.

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