Double-station transposition press fitting and cold riveting clamp

Abstract

The utility model discloses a double-station transposition press fitting and cold riveting clamp which is characterized by comprising a rotary table, two clamp fixing plates and two clamp bottom plates, the two clamp fixing plates are symmetrically erected on the rotary table, and the two clamp bottom plates are symmetrically erected on the rotary table. Vertical linear guide rails are arranged on the opposite outer side faces of the clamp fixing plate, the clamp bottom plate is arranged on the linear guide rails in a sliding mode through sliding blocks, a spring is arranged between the lower end face of the clamp bottom plate and the top face of the rotary table, a positioning bottom plate is arranged on the clamp bottom plate, and the positioning bottom plate is connected with the clamp fixing plate. Positioning pins are arranged on a set of opposite angles of the positioning bottom plate, and a pressing block is arranged in the right opposite direction of the positioning bottom plate. The utility model has the beneficial effects that the structure is simple, two working procedures of press fitting and cold riveting can be realized through double-station transposition, the processing efficiency is improved, the clamp stability is high, and the stress deformation of the rotating shaft is avoided.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of clamp, concretely relates to a double-station transposition press -fitting, cold riveting clamp. BACKGROUND

[0002] With the development of automobile technology, electronic throttle body has been more and more widely used, and gradually replaces the traditional mechanical throttle body. Electronic throttle valve is used to build electronic throttle control system, which can realize the best torque output of engine in the whole range, precise control of throttle opening and improvement of engine emission performance. Therefore, the precise control of throttle opening is very critical.

[0003] The shaft of the electronic throttle valve is provided with a sector gear assembly and a magnetic core, the magnetic core is arranged on the sector gear assembly, a magnetic core shell is arranged on the outer side of the magnetic core, and the magnetic core shell is fixed on the sector gear assembly through cold riveting process. Therefore, a press -fitting, cold riveting clamp needs to be designed. SUMMARY

[0004] In view of the above deficiencies in the prior art, the utility model provides a double-station transposition press -fitting, cold riveting clamp, which has a simple structure, realizes double-station press -fitting and cold riveting processing, and improves processing efficiency.

[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:

[0006] A double-station transposition press -fitting, cold riveting clamp, characterized in that: it comprises a rotary table, a clamp fixing plate, a clamp bottom plate, wherein the number of the clamp fixing plate is two, and it is vertically erected on the rotary table, the number of the clamp bottom plate is two, a vertical linear guide rail is arranged on the opposite outer side of the clamp fixing plate, the clamp bottom plate is slidably arranged on the linear guide rail through a sliding block, a spring is arranged between the lower end face of the clamp bottom plate and the top face of the rotary table, a positioning bottom plate is arranged on the clamp bottom plate, a group of positioning pins are arranged diagonally on the positioning bottom plate, and a pressing block is arranged in the opposite direction of the positioning bottom plate.

[0007] Further, the lower part of the positioning bottom plate is provided with a coarse positioning block, and the top face of the coarse positioning block is a profiled supporting surface.

[0008] Further, a spinning cylinder is arranged on the clamp bottom plate, and the pressing block is arranged on the pressing arm of the spinning cylinder.

[0009] Further, an end limiting block is arranged on the upper end of the clamp fixing plate.

[0010] Further, a reduction motor is connected to the bottom of the rotary table, a cam divider is connected to the reduction motor, a divider signal disc and a proximity switch are arranged on the cam divider.

[0011] The utility model discloses the beneficial effect includes: simple structure can double -position transfer and realizes two processes of press -fitting and cold riveting and improves the processing efficiency, and the fixture stability is high, avoids the stress deformation of rotating shaft. BRIEF DESCRIPTION OF DRAWINGS

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

[0013] The utility model discloses the beneficial effect includes: simple structure can double -position transfer and realizes two processes of press -fitting and cold riveting and improves the processing efficiency, and the fixture stability is high, avoids the stress deformation of rotating shaft.

[0014] A double-position transfer press -fitting, cold riveting fixture as Figure 1 The utility model discloses a double -position transfer press -fitting, cold riveting fixture, including revolving stage 1, fixture fixed plate 2, fixture bottom plate 3. Among them, the number of fixture fixed plate 2 is two, and symmetrically stands on revolving stage 1. The number of fixture bottom plate 3 is two, the opposite outer side of fixture fixed plate 2 is provided with the vertical arrangement straight line guide rail 4, and the fixture bottom plate 3 is slidably arranged on the straight line guide rail 4 through the sliding block, the lower end surface of fixture bottom plate 3 is provided with spring 5 between revolving stage 1 top surface, and the fixture bottom plate 3 is provided with the positioning bottom plate 6, a group of diagonal arrangement positioning pin 7 is arranged on the positioning bottom plate 6, and the opposite direction of positioning bottom plate 6 is provided with pressure block 8. Therefore, the fixture bottom plate 3 can be vertically buffered when press -fitting or cold riveting. The lower part of positioning bottom plate 6 is provided with coarse positioning block 9, and the top surface of coarse positioning block 9 is a profiled support surface. The coarse positioning block 9 can support the outer shape of the electronic throttle valve during press -fitting, ensuring the stability of the electronic throttle valve clamping, and avoiding the stress of the rotating shaft of the electronic throttle valve.

[0015] The fixture bottom plate 3 is provided with a spinning cylinder 10, and the pressure block 8 is arranged on the pressure arm of the spinning cylinder 10, so that the clamping is convenient. The upper end of the fixture fixed plate 2 is provided with an end limiting block 11 to prevent the fixture fixed plate 2 from being lifted too high upward.

[0016] To realize the accurate rotation of the revolving stage 1, the bottom of the revolving stage 1 is connected with a speed reducer 12, the speed reducer 12 is connected with a cam divider 13, the cam divider 13 is provided with a divider signal disc 14 and a proximity switch 15, and the proximity switch 15 senses the divider signal disc 14 to determine the angle of rotation of the revolving stage 1.

[0017] The above describes the technical scheme provided by the utility model embodiment in detail, and the principle and implementation mode of the utility model embodiment are described by applying specific examples. The above embodiment is only applicable to help understand the principle of the utility model embodiment. Meanwhile, for those skilled in the art, the specific implementation mode and application range of the utility model embodiment will be changed, and the content of the specification should not be understood as a limitation of the utility model.

Claims

1. A dual station index press, cold rivet fixture, characterized by: Including the rotary table (1), clamp fixed plate (2), clamp bottom plate (3), wherein the clamp fixed plate (2) number is two, and symmetrically stands on the rotary table (1), the clamp bottom plate (3) number is two, the opposite outer side of the clamp fixed plate (2) is provided with the vertical linear guide (4) of arrangement, the clamp bottom plate (3) is slidably arranged on the linear guide (4) through the slider, the lower end surface of the clamp bottom plate (3) and the rotary table (1) top surface between the spring (5) is provided, the clamp bottom plate (3) is provided with the positioning bottom plate (6), a group of diagonal positioning pins (7) are arranged on the positioning bottom plate (6), the opposite direction of the positioning bottom plate (6) is provided with the pressing block (8).

2. The dual station indexing press, cold rivet fixture of claim 1 wherein: The lower part of the positioning bottom plate (6) is provided with a coarse positioning block (9), and the top surface of the coarse positioning block (9) is a profiled support surface.

3. The dual station indexing press, cold rivet fixture of claim 1 wherein: The clamp bottom plate (3) is provided with a spinning cylinder (10), and the pressing block (8) is arranged on the pressing arm of the spinning cylinder (10).

4. The dual station indexing press, cold rivet fixture of claim 1 wherein: The upper end of the clamp fixed plate (2) is provided with an end limiting block (11).

5. The dual station indexing press, cold rivet fixture of claim 1 wherein: The bottom of the rotary table (1) is connected with a speed reducer (12), the speed reducer (12) is connected with a cam divider (13), the cam divider (13) is provided with a divider signal disc (14) and a proximity switch (15).

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