Efficient multifunctional machining clamp

Abstract

The utility model relates to the technical field of part machining, in particular to an efficient multifunctional machining clamp which comprises a base, the base is provided with a first driving device for driving the base to rotate, the edge of the base is provided with a plurality of sets of positioning units, and each positioning unit is provided with at least two positioning columns. The positioning column is arranged corresponding to a connecting hole of a base of the plate spring fixing support, a pressing device is arranged in the middle of the base and comprises a pressing plate, a plurality of pressing blocks are arranged at the bottom of the pressing plate, and the pressing plate is provided with a second driving device for driving the pressing plate to move. A plurality of workpieces can be fixedly positioned above the base, the first driving device drives the base to rotate during machining, the plate spring fixing support clamping and fixing device can be used for clamping and fixing of multiple machining procedures of a plate spring fixing support, a plurality of workpieces can be clamped and fixed at a time, machining efficiency can be improved, and production cost can be reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of parts processing, in particular to a high-efficiency and multifunctional processing fixture. Background Art

[0002] With the development of society and the advancement of science and technology, cars have become an indispensable means of transportation in people's daily lives. The leaf spring in a car is composed of several pieces of alloy spring steel of unequal length, which is a group of spring beams similar to equal strength, and plays a buffering and guiding role in the suspension system. The fixing of the leaf spring requires the use of a leaf spring fixing bracket. The prior art CN213892089U discloses a leaf spring fixing bracket. During the production process of the leaf spring fixing bracket, it is necessary to drill and countersink several connecting holes of the base, and it is also necessary to process the connecting holes of multiple connecting plate ends. The traditional leaf spring fixing bracket processing fixture can only clamp one workpiece, so there are many defects in production. First, the workpiece needs to be clamped and disassembled repeatedly. Second, after one clamping, the processing tool can only realize the processing of one workpiece. Third, multiple processing procedures require the setting of multiple processing fixtures. Therefore, the traditional processing fixture not only has low work efficiency, increases the labor intensity of workers, but also increases the production cost of the enterprise. Utility Model Content

[0003] The purpose of the utility model is to provide a high-efficiency and multifunctional processing fixture to address the deficiencies of the prior art. The utility model has a reasonable design and is easy to use. It can clamp and fix multiple workpieces at one time and can be used for processing multiple processes of leaf spring fixing brackets, thereby improving production efficiency and reducing enterprise production costs.

[0004] The technical solution adopted by the utility model to solve its technical problems is: an efficient and multifunctional processing fixture, including a base, the base is provided with a first driving device that drives the base to rotate, a plurality of groups of positioning units are provided at the edge of the base, the positioning units are provided with at least two positioning columns, the positioning columns are arranged corresponding to the connecting holes of the base of the leaf spring fixing bracket, a clamping device is provided in the middle of the base, the clamping device includes a pressing plate, a plurality of pressing blocks are provided at the bottom of the pressing plate, and the pressing plate is provided with a second driving device that drives the pressing plate to move.

[0005] Furthermore, the pressing block is a conical column that is smaller at the bottom and larger at the top.

[0006] Furthermore, a plurality of positioning holes are provided in the middle of the base, and the number of the positioning holes corresponds to the number of the pressing blocks.

[0007] Furthermore, a guide rod is provided in the middle of the base, and the guide rod passes through the guide hole of the pressing plate and is movably connected to the pressing plate.

[0008] Furthermore, the second driving device is a driving cylinder.

[0009] Furthermore, the first driving device is a stepping motor, a ring gear coaxial with the base is provided at the bottom of the base, and an output end of the first driving device is meshed with the ring gear or driven by a chain.

[0010] Furthermore, the number of groups of the positioning units is set corresponding to the number of the pressing blocks.

[0011] The beneficial effects of the utility model are as follows: a plurality of workpieces can be fixedly positioned above the base of the utility model, and the first driving device drives the base to rotate during processing. The device of the utility model can be used for clamping and fixing of multiple processing steps of a leaf spring fixing bracket, and a plurality of workpieces can be clamped and fixed at one time, which is beneficial to improving processing efficiency and reducing production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] Figure 1 It is a structural schematic diagram of the utility model.

[0013] Figure 2 It is the front view of the utility model.

[0014] Figure 3 It is a top view of the utility model.

[0015] Figure 4 yes Figure 3 Cross-sectional view along the AA direction after clamping the workpiece.

[0016] Description of reference numerals:

[0017] 1——base, 11——positioning hole, 12——guide rod, 13——ring gear, 2——positioning unit, 3——pressing device, 31——pressing plate, 32——pressing block, 33——second driving device, 4——first driving device. DETAILED DESCRIPTION

[0018] The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments, but the scope of implementation of the present invention is not limited thereto.

[0019] It should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying 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 limiting the present invention. In addition, the terms "first", "second", and "third" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0020] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "connected", and "connected" 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.

[0021] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, an efficient and multifunctional processing fixture of this embodiment includes a base 1, and the base 1 is provided with a first driving device 4 for driving the base 1 to rotate, and a plurality of groups of positioning units 2 are provided at the edge of the base 1, preferably 4 groups of positioning units 2, each group of positioning units can position a leaf spring fixing bracket, and a plurality of groups of positioning units 2 are arranged at equal intervals along the circumferential direction of the base 1, and the positioning units 2 are provided with at least two positioning columns, and the positioning columns are arranged corresponding to the connecting holes of the base of the leaf spring fixing bracket, and a clamping device 3 is provided in the middle of the base 1, and the clamping device 3 includes a pressing plate 31, and a plurality of pressing blocks 32 are provided at the bottom of the pressing plate 31, and the pressing plate 31 is provided with a second driving device 33 for driving the pressing plate 31 to move.

[0022] The working principle of the utility model is: a plurality of leaf spring fixing brackets are placed above the base 1, the positioning column of the positioning unit 2 corresponds to the connecting hole of the leaf spring fixing bracket, the workpiece is positioned and fixed, the pressure block 32 is aligned with the first through hole of the base, the second driving device 33 drives the pressure plate 31 to move downward, the pressure block 32 is inserted into the first through hole, the workpiece is accurately positioned, and the pressure plate 31 presses the base of the leaf spring fixing bracket, thereby realizing the positioning and fixing of the workpiece; the base of the leaf spring fixing bracket is provided with a plurality of connecting holes, when the countersinking tool countersinks the connecting hole, or when realizing the second through hole processing of the connecting plate of the leaf spring fixing bracket, the first driving device 4 drives the base 1 to rotate a certain angle, thereby realizing the countersinking of the connecting hole or the processing operation of the second through hole. The utility model can be used for the clamping and fixing of multiple processing procedures of the leaf spring fixing bracket, and multiple workpieces can be clamped and fixed at one time, thereby improving production efficiency.

[0023] The pressing block 32 is a tapered column with a small bottom and a large top, which facilitates the pressing block 32 to be inserted into the first through hole of the base of the leaf spring fixing bracket to achieve accurate positioning of the workpiece.

[0024] A plurality of positioning holes 11 are provided in the middle of the base 1, and the number of the positioning holes 11 corresponds to the number of the pressing blocks 32. After the pressing blocks 32 are inserted into the first through holes, the ends of the pressing blocks 32 can extend into the positioning holes 11. The positioning accuracy of the workpiece is improved by the pressing blocks 32 and the positioning holes 11, which is beneficial to ensuring the machining accuracy of the workpiece.

[0025] A guide rod 12 is provided in the middle of the base 1, and the guide rod 12 passes through the guide hole of the pressure plate 31 and is movably connected to the pressure plate 31. The guide rod 12 can improve the accuracy of the up and down movement of the pressure plate 31, ensure the positioning accuracy of the leaf spring fixing support, and improve the processing quality of the product.

[0026] The second driving device 33 is a driving cylinder, which is fixedly connected to the base 1 and drives the pressing plate 31 to move upward or downward.

[0027] The first driving device 4 is a stepping motor, and a ring gear 13 coaxial with the base 1 is provided at the bottom of the base 1. The output end of the first driving device 4 is meshed with the ring gear 13 or driven by a chain. The first driving device 4 intermittently drives the base to rotate a certain angle to facilitate the processing of the workpiece.

[0028] The number of the positioning units 2 is set corresponding to the number of the pressing blocks 32 .

[0029] Finally, it should be noted that the above embodiments are only used to illustrate the technical solution of the utility model, rather than to limit the protection scope of the utility model. Although the utility model has been described in detail with reference to the preferred embodiments, ordinary technicians in this field should understand that the technical solution of the utility model can be modified or replaced by equivalents without departing from the essence and scope of the technical solution of the utility model.

Claims

1. A highly efficient and multifunctional processing fixture, characterized by: The invention comprises a base (1), wherein the base (1) is provided with a first driving device (4) for driving the base (1) to rotate, wherein a plurality of positioning units (2) are provided at the edge of the base (1), wherein the positioning units (2) are provided with at least two positioning columns, wherein the positioning columns are arranged corresponding to the connecting holes of the base of the leaf spring fixing bracket, wherein a clamping device (3) is provided at the middle of the base (1), wherein the clamping device (3) comprises a pressing plate (31), wherein a plurality of pressing blocks (32) are provided at the bottom of the pressing plate (31), and wherein the pressing plate (31) is provided with a second driving device (33) for driving the pressing plate (31) to move.

2. The high-efficiency and multifunctional processing fixture according to claim 1, characterized in that: The pressing block (32) is a conical column that is smaller at the bottom and larger at the top.

3. The high-efficiency and multifunctional processing fixture according to claim 1 is characterized in that: A plurality of positioning holes (11) are provided in the middle of the base (1), and the number of the positioning holes (11) corresponds to the number of the pressing blocks (32).

4. The high-efficiency and multifunctional processing fixture according to claim 1, characterized in that: A guide rod (12) is provided in the middle of the base (1), and the guide rod (12) passes through a guide hole of the pressing plate (31) and is movably connected to the pressing plate (31).

5. The high-efficiency and multifunctional processing fixture according to claim 1 is characterized in that: The second driving device (33) is a driving cylinder.

6. The high-efficiency and multifunctional processing fixture according to claim 1, characterized in that: The first driving device (4) is a stepping motor, a ring gear (13) coaxial with the base (1) is provided at the bottom of the base (1), and the output end of the first driving device (4) is meshed with the ring gear (13) or driven by a chain.

7. The high-efficiency and multifunctional processing fixture according to claim 1 is characterized in that: The number of groups of the positioning units (2) is set corresponding to the number of the pressing blocks (32).

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