Expansion sleeve type gear clamping device

Abstract

The utility model relates to the technical field of gear machining, in particular to an expansion sleeve type gear clamping device which comprises a supporting base, the upper end of the supporting base is fixedly connected with a fixing cylinder, the side end of the fixing cylinder is fixedly connected with a supporting ring, the upper end of the fixing cylinder is fixedly connected with a fixing expansion sleeve, and the fixing expansion sleeve deforms when acting force is applied. A connecting head is slidably connected to the interior of the lower end of the supporting base, an auxiliary plate is fixedly connected to the side end of the connecting head, a control column is slidably connected to the upper end of the connecting head, the control column is inserted into the supporting base, and an extrusion adjusting ring is fixedly connected to the side end of the control column; according to the gear clamping device, gears of different models can be clamped, the damaged portion of an expansion sleeve can be compensated, and the gear can be conveniently taken out after gear machining is completed.

Description

Technical Field

[0001] This utility model relates to the field of gear processing technology, specifically to an expansion sleeve type gear clamping device. Background Technology

[0002] Gears are mechanical structures used to transmit power and are widely used in various mechanical equipment. When machining gears, they need to be clamped and fixed first. Currently, the main clamping method uses the gear's inner bore as a positioning reference, then an expansion sleeve is used to press and fix the gear's inner bore. After machining, the expansion sleeve will contract and return to its original position due to its own elasticity, making it easy to remove the gear. However, this often leads to deformation of the expansion sleeve. After prolonged use, its elasticity decreases, causing the expansion sleeve to fail to contract and return to its original position promptly after machining. This necessitates hammering the gear, which can easily damage the gear surface. Furthermore, during the pressing and fixing of the gear's inner bore, the outer wall of the expansion sleeve will wear, resulting in an unstable clamping. Utility Model Content

[0003] The purpose of this utility model is to provide an expansion sleeve type gear clamping device to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: a gear clamping device with an expansion sleeve, comprising a support base, a fixed cylinder fixedly connected to the upper end of the support base, a support ring fixedly connected to the side end of the fixed cylinder, a fixed expansion sleeve fixedly connected to the upper end of the fixed cylinder, the fixed expansion sleeve deforming when a force is applied to change the diameter of the outer wall of the fixed expansion sleeve for clamping and fixing the gear, a connector slidably connected to the lower end of the support base, an auxiliary plate fixedly connected to the side end of the connector, a control post slidably connected to the upper end of the connector, the control post being inserted into the support base, a compression adjustment ring fixedly connected to the side end of the control post, a traction plate inserted into the middle of the control post, a positioning threaded rod threadedly connected to the left side of the support base, an auxiliary groove provided in the middle of the control post, a traction ring fixedly connected to the inner wall of the upper end of the fixed expansion sleeve, and a support spring provided at the upper end of the support base.

[0005] Preferably, the fixing expansion sleeve is an elastic rubber sleeve, the inner sidewall of the fixing expansion sleeve is provided with a guide slope, and the outer sidewall of the compression adjustment ring is an inclined surface.

[0006] Preferably, the auxiliary groove has an inverted T-shaped structure, with the upper end of the auxiliary groove located at the upper end face of the control column, and the two ends of the auxiliary groove located on the side wall surface of the control column.

[0007] Preferably, the traction plate has an inverted T-shaped structure, the traction plate is slidably connected in the auxiliary groove, the lower two sides of the traction plate are slidably connected to the inner wall of the fixed cylinder, and the traction plate is located at the upper end of the support spring.

[0008] Preferably, a connecting disc is fixedly connected to the upper end of the traction plate, and both the upper and lower end faces of the traction ring are arc-shaped structures, with the inner hole of the traction ring fixedly connected to the upper end of the connecting disc.

[0009] Preferably, a pressure sensor is rotatably connected to the lower end of the positioning threaded rod, the auxiliary plate and the support base are slidably connected, and the top end of the auxiliary plate extends to the lower end of the positioning threaded rod.

[0010] Compared with the prior art, the beneficial effects of this utility model are as follows: When fixing the inner hole of the gear, the control column drives the extrusion adjusting ring to extrude the guide slope of the inner wall of the fixed expansion sleeve, causing it to deform. The outer wall of the extrusion adjusting ring is an inclined surface, which cooperates with the guide slope of the inner wall of the fixed expansion sleeve to clamp gears with different inner hole diameters. It also compensates for damage to the outer wall of the fixed expansion sleeve, ensuring that the gear is clamped and fixed. After the gear is processed, the extrusion adjusting ring will move downward and extrude the traction plate, thereby controlling the fixed expansion sleeve to deform inward and quickly resetting the fixed expansion sleeve, making it convenient to remove the processed gear. Attached Figure Description

[0011] Figure 1 This is a schematic diagram of the clamping device connection.

[0012] Figure 2 This is a schematic diagram of the three-dimensional structure of the control column and traction plate.

[0013] In the diagram: 1 Support base, 2 Fixed cylinder, 3 Support ring, 4 Fixed expansion sleeve, 5 Guide slope, 6 Control column, 7 Support spring, 8 Connector, 9 Auxiliary plate, 10 Positioning threaded rod, 11 Traction plate, 12 Connecting disc, 13 Traction ring, 14 Extrusion adjustment ring, 15 Auxiliary groove. Detailed Implementation

[0014] To enhance understanding of this utility model, the technical solutions in the embodiments of this utility model will be clearly and completely described and introduced below with reference to the accompanying drawings. Obviously, the described embodiments are merely some embodiments of this utility model, not all embodiments, and are not intended to limit the embodiments in any way. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0015] Please see Figure 1-2This utility model provides a technical solution: a gear clamping device with an expansion sleeve, including a support base 1, a fixed cylinder 2 fixedly connected to the upper end of the support base 1, a support ring 3 fixedly connected to the side end of the fixed cylinder 2, a fixed expansion sleeve 4 fixedly connected to the upper end of the fixed cylinder 2, the fixed expansion sleeve 4 deforms when a force is applied to change the diameter of the outer wall of the fixed expansion sleeve 4 for clamping and fixing the gear, a connector 8 slidably connected to the lower end of the support base 1, an auxiliary plate 9 fixedly connected to the side end of the connector 8, and a control post 6 slidably connected to the upper end of the connector 8, the control post 6 being inserted into... On the support base 1, a compression adjustment ring 14 is fixedly connected to the side end of the control column 6, a traction plate 11 is inserted into the middle of the control column 6, a positioning threaded rod 10 is threadedly connected to the left side of the support base 1, an auxiliary groove 15 is provided in the middle of the control column 6, a traction ring 13 is fixedly connected to the upper inner wall of the fixed expansion sleeve 4, and a support spring 7 is provided at the upper end of the support base 1. The gear is sleeved onto the fixed expansion sleeve 4, the support ring 3 supports the gear, the control column 6 is driven to move upward, thereby driving the compression adjustment ring 14 to compress the fixed expansion sleeve 4, deform it, and compress and fix the inner hole of the gear.

[0016] The fixed expansion sleeve 4 is an elastic rubber sleeve. The inner side wall of the fixed expansion sleeve 4 is provided with a guide slope 5. The outer side wall of the compression adjustment ring 14 is an inclined surface. When the compression adjustment ring 14 moves upward, it will compress the guide slope, thereby deforming the fixed expansion sleeve 4.

[0017] The auxiliary groove 15 has an inverted T-shaped structure. The upper end of the auxiliary groove 15 is located at the upper surface of the control column 6, and both ends of the auxiliary groove 15 are located on the side wall surface of the control column 6. The traction plate 11 has an inverted T-shaped structure and is slidably connected within the auxiliary groove 15. The lower ends of the traction plate 11 are slidably connected to the inner wall of the fixed cylinder 2 on both sides. The traction plate 11 is located above the support spring 7, and a connecting disc 12 is fixedly connected to the upper end of the traction plate 11. The upper and lower surfaces of the traction ring 13 are both arc-shaped structures. The inner hole of the pull ring 13 is fixedly connected to the upper end of the connecting plate 12. The traction ring retracts the upper end of the fixed expansion sleeve 4, so that the gear can be quickly installed on the fixed expansion sleeve 4. After the gear is processed, the control column 6 drives the compression adjustment ring 14 to move downward. The compression adjustment ring 14 compresses the traction plate 11. The traction plate 11 pulls the inner wall of the fixed expansion sleeve 4 through the connecting plate and the traction ring 13, so that the fixed expansion sleeve 4 deforms inward, so that the fixed expansion sleeve 4 quickly resets, making it easy to remove the gear.

[0018] A pressure sensor is rotatably connected to the lower end of the positioning threaded rod 10. The auxiliary plate 9 and the support base 1 are slidably connected. The top end of the auxiliary plate 9 extends to the lower end of the positioning threaded rod 10. The auxiliary plate 9 moves upward together with the connector and the control column 6. After the auxiliary plate 9 hits the pressure sensor, the pressure sensor transmits the data to the power mechanism that drives the connector 8 to move, causing it to stop working. By rotating the positioning threaded rod 10, the rising height of the auxiliary plate 9 is changed, thereby adapting to the clamping of different gears.

[0019] The gear is fitted onto the fixed expansion sleeve 4. The connector 8 drives the control column 6 to move upward. The control column 6 drives the compression adjustment ring 14 to compress the inner wall of the fixed expansion sleeve 4, causing the fixed expansion sleeve 4 to deform and compress and fix the inner hole of the gear. After the gear is processed, the control column 6 drives the compression adjustment ring 14 to move downward. The compression adjustment ring 14 compresses the traction plate 11, thereby causing the fixed expansion sleeve 4 to deform inward, allowing the fixed expansion sleeve 4 to quickly reset and making it easy to remove the gear.

[0020] Although embodiments of the present invention have been shown and described, it should be emphasized that the above description is merely an introduction and description of the usage of the embodiments of the present invention, and is not intended to limit the present invention in any way. Those skilled in the art will understand that various changes, modifications, substitutions, and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A bushing type gear clamping device comprising a support base (1), characterized in that: The upper end of the support base (1) is fixedly connected with a fixing cylinder (2), the side end of the fixing cylinder (2) is fixedly connected with a support ring (3), and the upper end of the fixing cylinder (2) is fixedly connected with a fixing expansion sleeve (4) for clamping and fixing the gear. The lower end of the support base (1) is slidably connected with a connecting head (8), the side end of the connecting head (8) is fixedly connected with an auxiliary plate (9), the upper end of the connecting head (8) is slidably connected with a control column (6), the control column (6) is inserted into the support base (1), the side end of the control column (6) is fixedly connected with an extrusion adjusting ring (14), a traction plate (11) is inserted into the control column (6), the left side of the support base (1) is threadedly connected with a positioning threaded rod (10), an auxiliary groove (15) is arranged in the middle of the control column (6), a traction ring (13) is fixedly connected to the inner wall of the upper end of the fixing expansion sleeve (4), and the upper end of the support base (1) is provided with a support spring (7).

2. A collet type gear chucking device according to claim 1, characterized in that: The fixing expansion sleeve (4) is an elastic rubber sleeve, the inner side wall of the fixing expansion sleeve (4) is provided with a guide inclined surface (5), and the outer side wall of the extrusion adjusting ring (14) is an inclined surface.

3. The expanding sleeve type gear clamping device according to claim 1, characterized in that: The auxiliary groove (15) is a reverse T-shaped structure, the upper end of the auxiliary groove (15) is located at the upper end surface of the control column (6), and the two ends of the auxiliary groove (15) are located at the side wall surface of the control column (6).

4. The expanding sleeve type gear clamping device according to claim 1, characterized in that: The traction plate (11) is a reverse T-shaped structure, the traction plate (11) is slidably connected in the auxiliary groove (15), the lower end of the traction plate (11) is slidably connected with the inner wall of the fixing cylinder (2), and the traction plate (11) is located at the upper end of the support spring (7).

5. The expanding sleeve type gear clamping device according to claim 1, characterized in that: The upper end of the traction plate (11) is fixedly connected with a connecting disc (12), the upper end surface and the lower end surface of the traction ring (13) are both arc-shaped structures, and the inner hole of the traction ring (13) is fixedly connected to the upper end of the connecting disc (12).

6. The expanding sleeve type gear clamping device according to claim 1, characterized in that: The lower end of the positioning threaded rod (10) is rotatably connected with a pressure sensor, the auxiliary plate (9) and the support base (1) are slidably connected, and the top end of the auxiliary plate (9) extends to the lower end of the positioning threaded rod (10).

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