Clamp for milling hook head of steel plate spring

Abstract

The utility model discloses a fixture for milling a hook head of a steel plate spring, which comprises a bottom plate and a fixed seat, a processing part and a positioning part are arranged on the fixed seat, and flanges for supporting the steel plate spring are arranged on the side surfaces of the positioning part and the processing part; a sinking table is arranged at the position of the machining part and used for providing a reference surface for edge milling for the steel plate spring; at least one limiting assembly is arranged at the position of the positioning part, and at least one pressing assembly is arranged on the bottom plate. The fixing base is of a triangular structure, two side faces of the fixing base are positioning parts, one side face of the fixing base is a machining part, flanges are arranged on the side faces of the positioning parts and the side faces of the machining part and used for supporting the steel plate spring, and limiting assemblies are arranged on the side faces of the flanges of the positioning parts. The limiting assembly and the pressing assembly can press the steel plate spring on the fixing base to enable the steel plate spring to be stable, meanwhile, the sinking table is arranged at the machining part of the fixing base, the sinking table can provide a machining datum plane for edge milling of the steel plate spring, and therefore the machining precision and the machining efficiency can be improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of steel leaf spring processing, and in particular relates to a clamp used for milling hook heads of steel leaf springs. Background Art

[0002] During processing, leaf springs need to be bent. After bending, a hook needs to be processed at one end. Milling tools are usually used for processing. The bent leaf springs are difficult to fix. After the traditional clamp clamps the bent side, the other side will still shake during processing, making it impossible to perform milling operations. In addition, when milling the hook, it is necessary to refer to the reference plane for processing to prevent over-cutting or insufficient cutting size. Utility Model Content

[0003] The utility model aims to provide a clamp for milling hook heads of leaf springs, which is convenient for fixing the leaf springs and can provide a machining reference surface for milling edges of the leaf springs.

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

[0005] A clamp for milling hook heads of leaf springs, comprising a base plate and a fixed seat, the fixed seat being arranged on the base plate, the fixed seat being provided with a processing portion and a positioning portion, the positioning portions being respectively arranged on the left and right sides of the processing portion, and the positioning portions on both sides of the processing portion being arranged gradually close to each other; flanges are arranged on the sides of the positioning portion and the processing portion, the flanges being used to support the leaf spring; the height of the flange from the surface of the fixed seat is the same as the width of the leaf spring; a sinking platform is arranged on the surface of the fixed seat at the position of the processing portion, the sinking platform being used to provide a reference surface for milling edges for the leaf spring; at least one limiting assembly is arranged at the position of the positioning portion of the fixed seat, the limiting assembly being used to press the middle portion of the leaf spring against the flange on the side of the positioning portion; at least one clamping assembly is arranged on the base plate, the clamping assembly is arranged at the position of the processing portion close to the fixed seat, and is spaced apart from the fixed seat, the clamping assembly being used to press the end of the leaf spring against the flange on the side of the processing portion.

[0006] Furthermore, a pressure plate is provided on the fixing seat, and the pressure plate is arranged above the positioning portion, and the pressure plate is used to compress the leaf spring.

[0007] Furthermore, the limiting assembly includes a limiting plate and a limiting bolt. The limiting plate is arranged on the outer side of the side flange of the positioning part on the fixing seat and is connected to the flange. The limiting bolt is threadedly connected to the limiting plate. The limiting bolt is used to press the leaf spring against the surface of the positioning part.

[0008] Furthermore, the clamping assembly includes a fixing part and a sliding part, the fixing part is connected to the base plate, the sliding part is arranged above the fixing part, the sliding part is provided with a waist-shaped hole, the waist-shaped hole is used to adjust the distance between the sliding part and the fixing seat, and the sliding part and the fixing part are fixed by bolts.

[0009] Furthermore, a clamping portion is provided on the sliding member, the clamping portion is protrudingly provided, and the clamping portion abuts against the surface of the leaf spring.

[0010] Furthermore, the fixing member is provided with a first inclined surface inclined toward the fixing seat, and the sliding member is provided with a second inclined surface matched with the first inclined surface.

[0011] Furthermore, a fixing bolt and a gasket are provided on an end portion of the positioning portion on the fixing seat away from the processing portion.

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

[0013] In the utility model, the fixed seat is arranged as a triangular structure, wherein two side surfaces are positioning parts and one side surface is a processing part. Flanges are arranged on the sides of the positioning part and the processing part for supporting the leaf spring. A limiting component is arranged on the flange side of the positioning part. A clamping component is also arranged on the bottom plate. The limiting component and the clamping component can clamp the leaf spring on the fixed seat to make it stable. At the same time, a sinking platform is arranged at the processing part position of the fixed seat. The sinking platform can provide a processing reference surface when milling the leaf spring, thereby improving the processing accuracy and processing efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] 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.

[0015] Figure 1 The utility model is a schematic diagram of the overall structure of the clamp used for the milling hook head of a leaf spring.

[0016] Figure 2 The utility model is a schematic structural diagram of a fixing seat in a clamp for a milling hook head of a leaf spring.

[0017] Figure 3 The utility model is a schematic structural diagram of a clamping assembly in a clamp for a milling hook head of a leaf spring.

[0018] Among them: 1-bottom plate, 2-fixed seat, 21-positioning part, 22-processing part, 23-flange, 24-sinking platform, 3-pressure plate, 4-limiting assembly, 41-limiting plate, 42-limiting bolt, 5-clamping assembly, 51-fixing part, 52-sliding part, 6-leaf spring, 7-fixing bolt. 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 clamp for milling hooks of leaf springs, such as Figure 1 and Figure 2 As shown, it includes a base plate 1 and a fixing seat 2, the fixing seat 2 is arranged on the base plate 1, and a processing portion 22 and a positioning portion 21 are arranged on the fixing seat 2, the positioning portions 21 are arranged on the left and right sides of the processing portion 22, and the positioning portions 21 on both sides of the processing portion 22 are gradually arranged close to each other; the sides of the positioning portion 21 and the processing portion 22 are both provided with flanges 23, and the flanges 23 are used to support the leaf spring 6; the height of the flange 23 from the surface of the fixing seat 2 is the same as the width of the leaf spring 6; the surface of the fixing seat 2 is provided at the position of the processing portion 22 There is a sinking platform 24, which is used to provide a reference surface for milling the leaf spring 6; at least one limiting component 4 is arranged at the position of the positioning portion 21 of the fixing seat 2, and the limiting component 4 is used to press the middle part of the leaf spring 6 on the flange 23 on the side of the positioning portion 21; at least one clamping component 5 is arranged on the base plate 1, and the clamping component 5 is arranged at a position close to the processing portion 22 of the fixing seat 2 and is spaced apart from the fixing seat 2, and the clamping component 5 is used to press the end of the leaf spring 6 on the flange 23 on the side of the processing portion 22.

[0022] The bottom plate 1 is connected to an external processing table, and a fixing seat 2 is provided on the bottom plate 1. The fixing seat 2 is made according to the bent structure of the leaf spring 6. The fixing seat 2 is preferably set as a triangular structural member. A leaf spring 6 can be placed on both sides of the fixing member 51 at the same time. The left and right sides of the fixing member 51 are positioning parts 21, which are used to locate the position on the leaf spring 6 that does not require milling processing. A processing part 22 is provided between the positioning parts 21 on both sides, and the processing part 22 is used to fix the position of the leaf spring 6 that requires milling processing of the hook head; flanges 23 are provided on the sides of the positioning part 21 and the processing part 22, and the leaf spring 6 is attached to the positioning part 21 and the processing part 22, and its side is in contact with the flange 23, and the flange 23 is used to support the leaf spring 6; a sinking platform 24 is provided on one side of the fixing seat 2 at the processing part 22, and the height of the sinking platform 24 is lower than the height of the upper surface of the fixing seat 2, and the sinking platform 24 can provide a processing reference surface for the leaf spring 6, and the milling tool moves along the sinking platform 24 The steel leaf spring 6 is processed and milled on the plane; the sinking platform 24 includes a middle sinking platform 24 and two side sinking platforms 24, the height of the middle sinking platform 24 is higher than the height of the two side sinking platforms 24, and the steel leaf spring 6 is milled and hooked according to the structure of the stepped sinking platform 24, with high precision; in addition, a limiting component 4 is provided on the fixed seat 2, preferably, four groups of limiting components 4 are provided, and two groups of limiting components 4 are provided on the flange 23 on the side of each positioning part 21 on the fixed seat 2, one group of which is provided at the connection between the positioning part 21 and the processing part 22, for fixing the bending point of the steel leaf spring 6; the other group is provided at the middle position of the positioning part 21, for clamping the steel leaf spring 6; three clamping components 5 are provided on the bottom plate 1, and the clamping component 5 is provided at a position close to the processing part 22 on the fixing piece 51, and the clamping component 5 can clamp the side of the steel leaf spring 6 that needs to be milled at the processing part 22 of the fixed seat 2, which is convenient for milling hook operation.

[0023] Embodiment 2:

[0024] Based on the above embodiment, this embodiment further adds a pressure plate 3, such as Figure 1 As shown, the fixing seat 2 is provided with a pressing plate 3, which is arranged above the positioning portion 21, and is used to press the leaf spring 6. The fixing seat 2 is provided with a pressing plate 3, which is arranged above the positioning portions 21 on both sides, and the pressing plate 3 protrudes from the edge of the positioning portion 21 on the fixing seat 2. The pressing plate 3 is connected to the fixing seat 2 by bolts, and the pressing plate 3 can press the leaf spring 6 on the flange 23, further limiting the position of the leaf spring 6. 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, the present embodiment further defines the limit assembly 4, the limit assembly 4 includes a limit plate 41 and a limit bolt 42, the limit plate 41 is arranged on the outer side of the flange 23 of the side of the positioning part 21 on the fixing seat 2, and is connected to the flange 23, the limit bolt 42 is threadedly connected to the limit plate 41, and the limit bolt 42 is used to press the leaf spring 6 on the surface of the positioning part 21. The limit assembly 4 includes a limit part and a limit bolt 42, the limit plate 41 is arranged on the outer side of the flange 23 of the side of the positioning part 21, and is bolted to the side of the flange 23, the upper part of the limit part is spaced apart from the fixing seat 2, the limit bolt 42 is threadedly connected to the upper part of the limit plate 41, and the limit bolt 42 can be rotated to press the leaf spring 6 on the surface of the positioning part 21. The other parts of the present embodiment are the same as the above embodiment, and will not be repeated here.

[0027] Embodiment 4:

[0028] Based on the above embodiment, this embodiment further defines the clamping assembly 5, such as Figure 3 As shown, the clamping assembly 5 includes a fixing member 51 and a sliding member 52, the fixing member 51 is connected to the bottom plate 1, the sliding member 52 is arranged above the fixing member 51, a waist-shaped hole is arranged on the sliding member 52, the waist-shaped hole is used to adjust the distance between the sliding member 52 and the fixing seat 2, and the sliding member 52 and the fixing member 51 are fixed by bolts. The clamping assembly 5 is arranged on the bottom plate 1 and is movably connected to the bottom plate 1. The clamping assembly 5 includes a fixing member 51 and a sliding member 52, the fixing member 51 is connected to the bottom plate 1 by bolts, the sliding member 52 is arranged above the fixing member 51, a waist-shaped hole is arranged on the sliding member 52, the sliding member 52 can slide above the bottom plate 1 to adjust the distance between it and the fixing seat 2, and the sliding member 52 and the fixing member 51 are also connected by bolts. When the sliding member 52 needs to be adjusted, the bolts are loosened, the sliding member 52 is pushed, and then the bolts are tightened, and the operation is simple. 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, this embodiment further defines a sliding member 52, and a pressing portion is provided on the sliding member 52, and the pressing portion is protrudingly arranged, and the pressing portion abuts against the surface of the leaf spring 6. A pressing portion is provided on the side of the sliding member 52 close to the fixing seat 2, and the pressing portion is protrudingly arranged, and the height of the pressing portion is less than the width of the leaf spring 6. When the sliding member 52 presses the leaf spring 6, the pressing portion abuts against the surface of the leaf spring 6. The other parts of this 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, the present embodiment further defines the clamping assembly 5, the fixing member 51 is provided with a first inclined surface inclined toward the fixing seat 2, and the sliding member 52 is provided with a second inclined surface matched with the first inclined surface. The fixing member 51 is provided with a first inclined surface, and the first inclined surface is inclined toward the direction close to the fixing seat 2. In addition, the sliding member 52 is provided with a second inclined surface matched with the first inclined surface, and the second inclined surface cooperates with the first inclined surface to keep the sliding member 52 parallel to the bottom plate 1, so that the sliding member 52 is easy to adjust on the fixing member 51. The other parts of the present embodiment are the same as the above embodiment, and will not be repeated here.

[0033] Embodiment 7:

[0034] On the basis of the above embodiment, this embodiment further adds a fixing bolt 7, and the end of the positioning portion 21 on the fixing seat 2 away from the processing portion 22 is provided with a fixing bolt 7 and a gasket. The end of the positioning portion 21 on the fixing seat 2 is provided with a fixing bolt 7 and a gasket, and the fixing bolt 7 and the gasket are arranged at the end of the positioning portion 21 away from the processing portion 22; at the same time, a mounting hole is provided at the end of the leaf spring 6, and the fixing bolt 7 and the gasket can cooperate with the mounting hole at the end of the leaf spring 6 to fix the end of the leaf spring 6 on the surface of the positioning portion 21 of the fixing seat 2. 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 fixture for milling hooks of leaf springs, characterized in that: The invention comprises a base plate and a fixing seat, wherein the fixing seat is arranged on the base plate, and a processing part and a positioning part are arranged on the fixing seat, wherein the positioning parts are respectively arranged on the left and right sides of the processing part, and the positioning parts on both sides of the processing part are arranged gradually close to each other; flanges are arranged on the sides of the positioning part and the processing part, and the flanges are used to support the leaf spring; the height of the flange from the surface of the fixing seat is the same as the width of the leaf spring; a sinking platform is arranged on the surface of the fixing seat at the position of the processing part, and the sinking platform is used to provide a reference surface for milling the leaf spring; at least one limiting component is arranged at the position of the positioning part of the fixing seat, and the limiting component is used to press the middle part of the leaf spring against the flange on the side of the positioning part; at least one clamping component is arranged on the base plate, and the clamping component is arranged at the processing part position close to the fixing seat and is spaced apart from the fixing seat, and the clamping component is used to press the end of the leaf spring against the flange on the side of the processing part.

2. The fixture for milling hooks of leaf springs as claimed in claim 1, characterized in that: A pressure plate is arranged on the fixing seat, and the pressure plate is arranged above the positioning portion. The pressure plate is used to compress the leaf spring.

3. The fixture for milling hooks of leaf springs as claimed in claim 1, characterized in that: The limiting assembly includes a limiting plate and a limiting bolt. The limiting plate is arranged on the outer side of the side flange of the positioning part on the fixing seat and is connected to the flange. The limiting bolt is threadedly connected to the limiting plate. The limiting bolt is used to press the leaf spring against the surface of the positioning part.

4. The fixture for milling hooks of leaf springs as claimed in claim 1, characterized in that: The clamping assembly includes a fixing part and a sliding part. The fixing part is connected to the base plate. The sliding part is arranged above the fixing part. A waist-shaped hole is arranged on the sliding part. The waist-shaped hole is used to adjust the distance between the sliding part and the fixing seat. The sliding part and the fixing part are fixed by bolts.

5. The fixture for milling hooks of leaf springs as claimed in claim 4, characterized in that: The sliding member is provided with a pressing portion, which is protruding and abuts against the surface of the leaf spring.

6. The fixture for milling hooks of leaf springs as claimed in claim 5, characterized in that: The fixing member is provided with a first inclined surface inclined toward the fixing seat, and the sliding member is provided with a second inclined surface matched with the first inclined surface.

7. The fixture for milling hooks of leaf springs as claimed in claim 1, characterized in that: A fixing bolt and a gasket are arranged on one end of the positioning portion on the fixing seat away from the processing portion.

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