Belt pulley assembly fixture

Abstract

The utility model relates to the technical field of assembly clamps, in particular to a belt pulley assembly clamp which comprises a bottom plate, a vertical plate is arranged at the top of the bottom plate, a clamp seat is arranged on the right side of the vertical plate, and two clamping mechanisms are arranged on the right side of the clamp seat. Each clamping mechanism is composed of an adjusting base, a fastening groove, a spring, a fastening clamping plate and a fastening rotary knob, the fastening groove is formed in one side of the adjusting base, the belt pulley is vertically placed between the two clamping mechanisms, an electric telescopic rod is started, a movable sliding base is driven to move inwards along with the adjusting base, and the belt pulley is clamped in the fastening clamping plate. In the process, the fastening clamping plate in the fastening groove compresses the spring inwards according to the shape and the size of the belt pulley, the position of the fastening clamping plate is fixed through the fastening knob after the spring reaches a proper position, and the belt pulley needing to be assembled can be clamped by matching with the non-slip cushion block to continuously move inwards. The problem that an existing belt pulley assembling clamp is difficult to stably clamp and fix according to the size of a belt pulley is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of assembly fixtures, in particular to an assembly fixture for a pulley. Background Art

[0002] Pulleys are disk-hub parts, and are generally relatively large in size. The manufacturing process is generally based on casting and forging. Generally, larger designs are cast, and the material is generally cast iron (better casting performance), and cast steel is rarely used (steel has poor casting performance); generally, smaller designs can be forged, and the material is steel.

[0003] The patent with publication number CN 215616598 U discloses a lightweight motor pulley assembly fixture, which includes a base, a bottom plate is fixedly installed on the base, a placement plate is fixedly installed on the bottom plate, a flat plate moving in the vertical direction is provided above the bottom plate, and two through grooves are provided in the bottom plate. The device places the upper shell and the lower shell on the placement plate, starts the drive motor to rotate forward, drives the second rotating wheel to rotate forward, drives the first rotating wheel to rotate forward through the belt, drives the screw to rotate forward, and drives the moving blocks to move toward each other according to the principle of thread transmission, and drives the arc clamping block to clamp the lower shell. However, the device has the problem that the pulley is clamped and fixed by the principle of the drive motor, the second rotating wheel and the screw thread, but the size and arc of the arc clamping block responsible for clamping and fixing the belt cannot be adjusted, and the pulley sizes and types required to be assembled are various, so it is difficult to use the arc block with inconvenient shape and size to stably clamp and fix the pulley. For this reason, a pulley assembly fixture is proposed to solve the problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the pulley size. Utility Model Content

[0004] 1. Technical issues to be resolved

[0005] In view of the shortcomings of the prior art, the utility model provides a pulley assembly fixture to solve the technical problem that the prior pulley assembly fixture is difficult to stably clamp and fix according to the pulley size.

[0006] (II) Technical solution

[0007] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:

[0008] A pulley assembly fixture, comprising a bottom plate, a vertical plate is arranged on the top of the bottom plate, a fixture seat is arranged on the right side of the vertical plate, two groups of clamping mechanisms are arranged on the right side of the clamp seat, the clamping mechanism is composed of an adjustment seat, a fastening groove, a spring, a fastening clamping plate and a fastening knob, a fastening groove is opened on one side of the adjustment seat, the spring is arranged in the fastening groove and one end is fixedly connected to the fastening clamping plate, an anti-slip pad is arranged at the end of the fastening clamping plate, two groups of moving grooves are opened on the right side of the adjustment seat, and a moving slide seat and an electric telescopic rod are arranged in the inner cavity of the moving groove;

[0009] Among them, one end of the tightening knob is provided with a screw that passes through the adjustment seat and is connected by thread. The movable slide is fixedly connected to the adjustment seat. One end of the electric telescopic rod is connected to the movable slide, and the other end is connected to the inner cavity wall of the movable groove.

[0010] Preferably: both the front and back sides of the vertical plate are provided with limiting mechanisms;

[0011] The limiting mechanisms are axially symmetrically distributed at two ends of the fixture seat.

[0012] Preferably: the limiting mechanism is composed of a groove, a limiting rod, a limiting block, a clamping slot and a progressive motor;

[0013] Wherein, grooves are provided on the front and back sides of the vertical plate, and the limiting rod passes through the bottom and top of the inner cavity of the groove and the inner wall of the bottom plate.

[0014] Preferably: the limit block is fixedly connected to the outer ring of the limit rod, and a clamping groove is provided on the inner wall of the groove;

[0015] The shape of the slot is the same as that of the limit block, and there is a large friction force between the two.

[0016] Preferably: the motor is fixed at the middle position of the inner wall of the bottom plate;

[0017] Wherein, the output shaft of the motor passes through the inner cavity of the vertical plate and is fixedly connected.

[0018] Preferably: two groups of stabilizing grooves are provided on the top of the clamp seat, and two groups of stabilizing rods and a lifting device are fixedly connected to the right side of the vertical plate;

[0019] The stabilizing rod is located in the inner cavity of the stabilizing groove, and the top and bottom are fixedly connected to the vertical plate and the bottom plate respectively, and the top and bottom of the lifting device are fixedly connected to the vertical plate and the clamp seat respectively.

[0020] (III) Beneficial effects

[0021] 1. Place the pulley vertically between the two clamping mechanisms, turn on the electric telescopic rod, and drive the movable slide seat and the adjusting seat to move toward the center. During the process, the fastening clamp in the fastening groove compresses the spring inward according to the shape and size of the pulley. After reaching the appropriate position, use the fastening knob to fix the position of the fastening clamp, and continue to move toward the center with the anti-slip pad to clamp the pulley to be assembled, which solves the problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the size of the pulley.

[0022] 2. Place multiple pulleys on the base. When assembling, use the limit block together with the limit rod to move up to detach from the base, use the card slot to fix the limit rod position, start the progressive motor, drive the vertical plate to rotate 180 degrees, and then the pulley on the base can be clamped and assembled, which improves the convenience of using the pulley assembly fixture. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The above description is only an overview of the technical solution of the utility model. In order to more clearly understand the technical means of the utility model and implement it according to the contents of the specification, the following is a detailed description of the preferred embodiments of the utility model in conjunction with the accompanying drawings.

[0024] Figure 1 This is the structural diagram of the utility model;

[0025] Figure 2 This is a structural diagram of the clamping mechanism of the utility model;

[0026] Figure 3 This is a cross-sectional view of the clamping mechanism of the utility model structure;

[0027] Figure 4 It is a cross-sectional view of the structure of the utility model.

[0028] Legend: 1. Base plate; 2. Vertical plate; 3. Clamp seat; 4. Clamping mechanism; 41. Adjusting seat; 42. Fastening groove; 43. Spring; 44. Fastening clamp plate; 45. Fastening knob; 5. Anti-slip pad; 6. Moving groove; 7. Moving slide; 8. Electric telescopic rod; 9. Limiting mechanism; 91. Groove; 92. Limiting rod; 93. Limiting block; 94. Card slot; 95. Stepping motor; 10. Stabilizing groove; 11. Stabilizing rod; 12. Lifting device. DETAILED DESCRIPTION

[0029] The embodiment of the present application provides a pulley assembly fixture, which effectively solves the problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the size of the pulley. The pulley is placed vertically between the two clamping mechanisms, and the electric telescopic rod is turned on to drive the movable slide seat and the adjustment seat to move toward the center. During the process, the fastening clamp in the fastening groove compresses the spring inward according to the shape and size of the pulley. After reaching the appropriate position, the position of the fastening clamp is fixed by the fastening knob, and the anti-slip pad is used to continue to move toward the center, so that the pulley to be assembled can be clamped.

[0030] Example

[0031] The technical solution in the embodiment of the present application effectively solves the technical problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the pulley size. The overall idea is as follows:

[0032] In view of the problems existing in the prior art, the utility model provides a pulley assembly fixture, including a base plate 1, a vertical plate 2 is arranged on the top of the base plate 1, a fixture seat 3 is arranged on the right side of the vertical plate 2, two groups of clamping mechanisms 4 are arranged on the right side of the clamp seat 3, and the clamping mechanism 4 is composed of an adjustment seat 41, a fastening groove 42, a spring 43, a fastening clamping plate 44 and a fastening knob 45. A fastening groove 42 is opened on one side of the adjustment seat 41, and the spring 43 is arranged in the fastening groove 42 and one end is fixedly connected to the fastening clamping plate 44. An anti-slip pad 5 is arranged at the end of the fastening clamping plate 44. The right side of the adjustment seat 41 is opened Two groups of movable grooves 6 are provided with a movable slide 7 and an electric telescopic rod 8 in the inner cavity of the movable groove 6. The pulley is placed vertically between the two clamping mechanisms 4, and the electric telescopic rod 8 is turned on to drive the movable slide 7 together with the adjustment seat 41 to move toward the center. During the process, the fastening clamp 44 in the fastening groove 42 compresses the spring 43 inward according to the shape and size of the pulley. After reaching the appropriate position, the position of the fastening clamp 44 is fixed by the fastening knob 45, and the anti-slip pad 5 continues to move toward the center to clamp the pulley to be assembled, thereby solving the problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the size of the pulley.

[0033] Among them, a screw is provided at one end of the tightening knob 45 and passes through the adjustment seat 41, and is fixedly connected to the adjustment seat 41 by means of a threaded connection. One end of the electric telescopic rod 8 is connected to the moving slide 7, and the other end is connected to the inner cavity wall of the moving groove 6.

[0034] The front and back sides of the vertical plate 2 are both provided with a limiting mechanism 9; wherein the limiting mechanism 9 is axially symmetrically distributed at both ends of the clamp seat 3; the limiting mechanism 9 is composed of a groove 91, a limiting rod 92, a limiting block 93, a clamping groove 94 and a progressive motor 95; wherein the front and back grooves 91 of the vertical plate 2 are both provided with a groove 91, and the limiting rod 92 penetrates the bottom and top of the inner cavity of the groove 91 and the inner wall of the bottom plate 1; the limiting block 93 is fixedly connected to the outer ring of the limiting rod 92, and the inner wall of the groove 91 is provided with a clamping groove 94; wherein the shape of the clamping groove 94 is similar to The limit blocks 93 are the same, and there is a large friction between the two. The motor 95 is fixed in the middle position of the inner wall of the base plate 1; wherein, the output shaft of the motor 95 passes through the inner cavity of the vertical plate 2 and is fixedly connected, and multiple pulleys are placed on the base 1. During assembly, the limit block 93 can be used together with the limit rod 92 to move up to detach from the base 1, and the limit rod 92 is fixed in the position with the card slot 94. The progressive motor 95 is turned on to drive the vertical plate 2 to rotate 180 degrees, and the pulley on the base 1 can be clamped and assembled, thereby improving the convenience of using the pulley assembly fixture.

[0035] Two groups of stabilizing grooves 10 are provided on the top of the clamp seat 3, and two groups of stabilizing rods 11 and a lifting device 12 are fixedly connected to the right side of the vertical plate 2; wherein, the stabilizing rod 11 is located in the inner cavity of the stabilizing groove 10, and the top and bottom are respectively fixedly connected to the vertical plate 2 and the bottom plate 1, and the top and bottom of the lifting device 12 are respectively fixedly connected to the vertical plate 2 and the clamp seat 3. After the pulley is clamped by the clamping mechanism 4, the clamp seat 3 can be driven to a suitable assembly position in cooperation with the lifting device 12 under the action of the stabilizing rod 11 in the stabilizing groove 10, thereby improving the convenience of pulley assembly.

[0036] Working principle: When in use, the pulley to be clamped and assembled is placed vertically on the base plate 1 and located between the two clamping mechanisms 4, and then the electric telescopic rod 8 is turned on to drive the movable slide 7 together with the adjustment seat 41 to move toward the middle. During the process, the fastening clamp 44 in the fastening groove 42 compresses the spring 43 inward according to the shape and size of the pulley. After reaching the appropriate position, the position of the fastening clamp 44 is fixed by the fastening knob 45, and the anti-slip pad 5 is continued to move in the middle to clamp the pulley to be assembled, which solves the problem that the existing pulley assembly fixture is difficult to stably clamp and fix according to the size of the pulley.

[0037] Finally, it should be noted that: Obviously, the above embodiments are only examples for clearly explaining the present invention, and are not intended to limit the implementation methods. For ordinary technicians in the relevant field, other different forms of changes or modifications can be made based on the above description. It is not necessary and impossible to list all the implementation methods here. The obvious changes or modifications derived from this are still within the scope of protection of the present invention.

Claims

1. A pulley assembly fixture, comprising a base plate (1), a vertical plate (2) being arranged on the top of the base plate (1), characterized in that: A clamp seat (3) is arranged on the right side of the vertical plate (2), and two groups of clamping mechanisms (4) are arranged on the right side of the clamp seat (3). The clamping mechanism (4) consists of an adjustment seat (41), a fastening groove (42), a spring (43), a fastening clamping plate (44) and a fastening knob (45). A fastening groove (42) is provided on one side of the adjustment seat (41), and the spring (43) is arranged in the fastening groove (42) and one end is fixedly connected to the fastening clamping plate (44). An anti-slip pad (5) is arranged at the end of the fastening clamping plate (44). Two groups of moving grooves (6) are arranged on the right side of the adjustment seat (41), and a moving slide seat (7) and an electric telescopic rod (8) are arranged in the inner cavity of the moving groove (6); One end of the tightening knob (45) is provided with a screw which passes through the adjustment seat (41) and is connected by a thread. The movable slide seat (7) is fixedly connected to the adjustment seat (41). One end of the electric telescopic rod (8) is connected to the movable slide seat (7) and the other end is connected to the inner cavity wall of the movable groove (6).

2. A pulley assembly fixture as claimed in claim 1, characterized in that: The front and back sides of the vertical plate (2) are both provided with limiting mechanisms (9); The limiting mechanisms (9) are axially symmetrically distributed at the two ends of the clamp seat (3).

3. A pulley assembly fixture as claimed in claim 2, characterized in that: The limiting mechanism (9) is composed of a groove (91), a limiting rod (92), a limiting block (93), a clamping slot (94) and a progressive motor (95); Wherein, the front and back grooves (91) of the vertical plate (2) are both provided with grooves (91), and the limiting rod (92) passes through the bottom and top of the inner cavity of the groove (91) and the inner wall of the bottom plate (1).

4. A pulley assembly fixture as claimed in claim 3, characterized in that: The limiting block (93) is fixedly connected to the outer ring of the limiting rod (92), and the inner wall of the groove (91) is provided with a clamping groove (94); The shape of the clamping groove (94) is the same as that of the limiting block (93), and there is a large friction force between the two.

5. A pulley assembly fixture as claimed in claim 3, characterized in that: The motor (95) is fixed to the middle of the inner wall of the bottom plate (1); Wherein, the output shaft of the motor (95) passes through the inner cavity of the vertical plate (2) and is fixedly connected.

6. A pulley assembly fixture as claimed in claim 1, characterized in that: The top of the clamp seat (3) is provided with two groups of stabilizing grooves (10), and the right side of the vertical plate (2) is fixedly connected with two groups of stabilizing rods (11) and a lifting device (12); The stabilizing rod (11) is located in the inner cavity of the stabilizing groove (10), and the top and bottom are fixedly connected to the vertical plate (2) and the bottom plate (1) respectively, and the top and bottom of the lifting device (12) are fixedly connected to the vertical plate (2) and the clamp seat (3) respectively.

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