A belt optical wheel clamping and stopping fixture

Abstract

The present invention discloses a belt smooth wheel clamping and stopping tooling, belonging to the technical field of belt smooth wheel clamping and stopping, and solving the technical problem of cumbersome disassembly and assembly existing in the prior art. The tooling includes an elastic body, the elastic body includes elastic fork arms, cylindrical sleeves adapted to the belt smooth wheel are connected to both arms of the elastic fork arms, through holes are provided at one ends of the elastic fork arms close to the cylindrical sleeves, a transmission screw rod is movably inserted through the through holes, an adjusting nut is provided at one end of the transmission screw rod, a cutting groove portion is provided at the other end, a transmission shaft is rotatably provided in the cutting groove portion, eccentric wheels are respectively provided at both ends of the transmission shaft, and a handle is provided between the two eccentric wheels. The present invention can achieve the purpose of quickly clamping and stopping and quickly removing the tooling.

Description

Technical Field

[0001] The present invention relates to the technical field of belt pulley jamming, and more specifically, it relates to a belt pulley jamming tooling fixture. Background Art

[0002] The belt pulley is a form of engine belt tensioning. Usually, when fastening the belt pulley to the pulley shaft, after installing the belt, the fastening bolts are tightened. The friction between the belt and the pulley can generate sufficient counter torque to resist the torque of tightening the fastening bolts, and the torque can be applied without special jamming. However, when the belt does not need to be installed and the tooling belt is still used as the counter torque tooling, there are problems such as cumbersome disassembly and installation of the tooling belt and delaying the production beat. Summary of the Invention

[0003] The technical problem to be solved by the present invention is in view of the above-mentioned deficiencies of the prior art. The object of the present invention is to provide a belt pulley jamming tooling fixture that can be quickly jammed and quickly disassembled.

[0004] The technical solution of the present invention is: a belt pulley jamming tooling fixture, including an elastic body. The elastic body includes elastic fork arms. Cylindrical sleeves adapted to the belt pulley are connected to both arms of the elastic fork arms. A through hole is provided at one end of the elastic fork arm close to the cylindrical sleeve. A transmission screw is movably inserted through the through hole. An adjusting nut is provided at one end of the transmission screw, and a cutting groove portion is provided at the other end. A transmission shaft is rotatably provided in the cutting groove portion. Eccentric wheels are respectively provided at both ends of the transmission shaft, and a handle is provided between the screw and the eccentric wheel.

[0005] As a further improvement, a threaded portion is provided at one end of the transmission screw, and the adjusting nut is screwed onto the threaded portion of the transmission screw.

[0006] Further, a spherical portion is provided on the side of the adjusting nut in contact with the elastic fork arm.

[0007] Further, a limiting portion is provided at the end of the transmission screw away from the threaded portion. The cutting groove portion is provided in the limiting portion, and the eccentric wheel is buckled on the cutting groove portion of the transmission screw.

[0008] Further, the included angle between the extending direction of the opening of the cutting groove portion and the axis line of the transmission screw is 40° - 50°.

[0009] Further, the included angle between the extending direction of the opening of the cutting groove portion and the axis line of the transmission screw is 45°.

[0010] Further, the elastic fork arm and the cylindrical sleeve are integrally connected.

[0011] Advantageous Effects

[0012] Compared with the prior art, the present invention has the following advantages:

[0013] By providing an elastomer with opening and locking functions, the present invention can quickly stop and disassemble the belt pulley. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 is the front view of the present invention;

[0015] Figure 2 is the side view of the present invention;

[0016] Figure 3 is the schematic diagram of the eccentric wheel of the present invention;

[0017] Figure 4 is the schematic diagram of the elastomer of the present invention;

[0018] Figure 5 is the schematic diagram of the adjusting nut of the present invention;

[0019] Figure 6 is the schematic diagram of the drive screw of the present invention.

[0020] Wherein: 1 - eccentric wheel, 2 - elastomer, 3 - adjusting nut, 4 - drive screw, 11 - handle, 21 - elastic fork arm, 22 - through hole, 23 - cylindrical sleeve, 31 - spherical part, 41 - limiting part, 42 - grooved part, 43 - drive shaft. DETAILED DESCRIPTION OF THE INVENTION

[0021] The present invention will be further described below with reference to the specific embodiments in the drawings.

[0022] Refer to Figures 1 to 6 , a belt pulley clamping fixture, including an elastomer 2, the elastomer 2 includes an elastic fork arm 21, both arms of the elastic fork arm 21 are connected with a cylindrical sleeve 23 adapted to the belt pulley, a through hole 22 is provided at one end of the elastic fork arm 21 close to the cylindrical sleeve 23, a drive screw 4 is movably inserted through the through hole 22, an adjusting nut 3 is provided at one end of the drive screw 4, a grooved part 42 is provided at the other end, a drive shaft 43 is rotatably provided in the grooved part 42, eccentric wheels 1 are respectively provided at both ends of the drive shaft 43, and a handle 11 is provided between the two eccentric wheels 1. By operating the handle 11, the opening or closing of the elastomer 2 can be realized.

[0023] One end of the drive screw 4 is provided with a threaded part, and the adjusting nut 3 is screwed onto the threaded part of the drive screw 4.

[0024] A spherical part 31 is provided on the side of the adjusting nut 3 in contact with the elastic fork arm 21, which can ensure that the elastic fork arm 21 and the adjusting nut 3 are effectively in close contact during the opening or closing of the elastic fork arm 21.

[0025] A limiting part 41 is provided at the end of the drive screw 4 away from the threaded part, the grooved part 42 is provided in the limiting part 41, and the eccentric wheel 1 is buckled on the grooved part 42 of the drive screw 4.

[0026] The included angle between the extending direction of the opening of the grooving portion 42 and the axis line of the transmission screw 4 is 40° to 50°, and the opening of the grooving portion 42 extends towards one end of the threaded portion. The transmission shaft 43 of the eccentric wheel 1 is inclined and clamped in the grooving portion 42, and the transmission shaft 43 is not likely to fall out.

[0027] The included angle between the extending direction of the opening of the grooving portion 42 and the axis line of the transmission screw 4 is 45°.

[0028] The elastic fork arm 21 and the cylindrical sleeve 23 are integrally connected. Specifically, the elastic fork arm 21 and the cylindrical sleeve 23 are integrally formed by welding.

[0029] Working principle:

[0030] When the belt pulley clamping and stopping tooling performs the clamping and stopping operation, the elastic fork arm 21 of the elastic body 2 is in an open state. The cylindrical sleeve 23 is sleeved on the outer peripheral surface of the belt pulley. The handle 11 of the eccentric wheel 1 is operated. When the eccentric wheel 1 rotates and presses the elastic fork arm 21 to close, the cylindrical sleeve 23 is driven to shrink and clamp the belt pulley. At the same time, by interfering with the parts near the belt pulley through the elastic fork arm 21, the rotation of the belt pulley is blocked. After the operation is completed, the handle 11 is operated to release the pressing, and the cylindrical sleeve 23 is relaxed, and the tooling can be quickly withdrawn. The purpose of quickly clamping and stopping, quickly tightening the adjusting nut 3, and quickly removing the tooling is achieved.

[0031] The above is only the preferred implementation manner of the present invention. It should be pointed out that for those skilled in the art, without departing from the structure of the present invention, several deformations and improvements can be made, and these will not affect the implementation effect of the present invention and the practicality of the patent.

Claims

1. A belt pulley clamping fixture, characterized in that It includes an elastomer (2), the elastomer (2) includes elastic fork arms (21), cylindrical sleeves (23) adapted to belt pulleys are connected to both arms of the elastic fork arms (21), a through hole (22) is provided at one end of the elastic fork arm (21) close to the cylindrical sleeve (23), a transmission screw rod (4) is movably inserted through the through hole (22), an adjusting nut (3) is provided at one end of the transmission screw rod (4), a cutting groove part (42) is provided at the other end, a transmission shaft (43) is rotatably provided in the cutting groove part (42), eccentric wheels (1) are respectively provided at both ends of the transmission shaft (43), and a handle (11) is provided between the two eccentric wheels (1); A limiting part (41) is provided at one end of the transmission screw rod (4) away from the threaded part, the cutting groove part (42) is provided on the limiting part (41), and the eccentric wheel (1) is buckled on the cutting groove part (42) of the transmission screw rod (4); The extension direction of the opening of the cutting groove part (42) forms an angle of 40° to 50° with the axis line of the transmission screw rod (4).

2. The belt pulley clamping and stopping work fixture according to claim 1, wherein A threaded part is provided at one end of the transmission screw rod (4), and the adjusting nut (3) is screwed on the threaded part of the transmission screw rod (4).

3. The belt pulley clamping and stopping fixture according to claim 1, characterized in that, A spherical part (31) is provided on the side of the adjusting nut (3) in contact with the elastic fork arm (21).

4. A belt pulley clamping and stopping work fixture according to claim 1, characterized in that, The extension direction of the opening of the cutting groove part (42) forms an angle of 45° with the axis line of the transmission screw rod (4).

5. The belt pulley clamping stop work fixture according to claim 1, characterized in that, The elastic fork arm (21) and the cylindrical sleeve (23) are integrally connected.

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