Sector gear clamping device

Abstract

The utility model belongs to the technical field of tool clamps, and particularly relates to a sector gear clamping device which comprises a first clamping part and a second clamping part which are oppositely arranged, the first clamping part is provided with a first clamping face, at least one first positioning piece is arranged on the first clamping face, and the second clamping part is provided with a second clamping face. At least one second positioning piece is arranged on the second clamping surface; the first positioning piece and the second positioning piece are used for positioning the sector gear on the first clamping part and the second clamping part respectively; the clamping device further comprises a driving assembly and a telescopic assembly, the driving assembly is connected with the first clamping part to drive the first clamping part to rotate relative to the second clamping part, and the telescopic assembly is connected with the second clamping part to enable the second clamping part to stretch out and draw back relative to the first clamping part. When the sector gear clamping device clamps the sector gear, the effect of positioning the sector gear on each clamping part can be achieved, so that the sector gear clamping device is not prone to slipping off when clamping the sector gear.

Description

Technical Field

[0001] This application belongs to the field of tooling and fixture technology, specifically a sector gear clamping device. Background Technology

[0002] like Figure 1 As shown, sector gears generally have a through circular hole and tooth grooves; the purpose of sector gear clamping devices is to weld the sector gear to the shaft that passes through the end of the sector gear. However, existing sector gear clamping devices generally use two clamping plates to clamp the gear, which makes it easy for the gear to slip out of the clamping device and for the sector gear to rotate around its center. Utility Model Content

[0003] The technical problem to be solved by this application is that the existing sector gear clamping device is unstable when clamping the sector gear, and the sector gear is prone to slippage and rotation around the center of the sector gear.

[0004] The technical solution adopted in this application to solve the above problems is:

[0005] A sector gear clamping device is used to clamp a sector gear. The sector gear clamping device includes a first clamping part and a second clamping part disposed opposite to each other. The first clamping part has a first clamping surface and at least one first positioning member is disposed on the first clamping surface. The second clamping part has a second clamping surface and at least one second positioning member is disposed on the second clamping surface. The first positioning member and the second positioning member are used to position the sector gear on the first clamping part and the second clamping part, respectively.

[0006] The sector gear clamping device further includes a drive assembly and a telescopic assembly. The drive assembly is connected to the first clamping part to drive the first clamping part to rotate relative to the second clamping part. The telescopic assembly is connected to the second clamping part to extend or retract relative to the first clamping part.

[0007] Preferably, the drive assembly includes a motor and a telescopic component, the output end of the motor is connected to the first clamping part, and the end of the motor away from the first clamping part is fixedly connected to the output end of the telescopic component.

[0008] Preferably, the telescopic component is a pneumatic cylinder or a hydraulic cylinder.

[0009] Preferably, the telescopic component is a telescopic rod.

[0010] Preferably, the sector gear clamping device further includes a support member, which is connected to the first clamping part to support the sector gear.

[0011] Preferably, the support member has opposite bottom and top portions, the top portion forming a guide slope.

[0012] Preferably, the support member is substantially L-shaped.

[0013] Preferably, the first positioning member is a positioning block, the second positioning member is a positioning column and the number of the second positioning members is two; the positioning block is used for clamping into a circular through hole of the sector gear, and the positioning column is used for clamping into a tooth slot of the sector gear.

[0014] Preferably, the sector gear clamping device further comprises a sensor, the sensor being signal connected with the telescopic member of the first clamping portion.

[0015] Compared with the prior art, the application has the following advantages:

[0016] The sector gear clamping device provided by the embodiment of the application is provided with at least one positioning member on the clamping surface of each clamping portion, so that the sector gear can be positioned on each clamping portion when the sector gear is clamped, and the sector gear clamping device is not prone to sliding off when the sector gear is clamped. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 It is a schematic view of the sector gear structure in the background art;

[0018] Figure 2 It is a schematic view of the three-dimensional structure of the application;

[0019] Figure 3 It is a schematic view of the three-dimensional structure of the application when clamping the sector gear Figure 1 ;

[0020] Figure 4 It is a schematic view of the three-dimensional structure of the application when clamping the sector gear Figure 2 .

[0021] BRIEF DESCRIPTION OF DRAWINGS

[0022] 1. A sector gear clamping device;

[0023] 11. A first clamping portion; 12. A second clamping portion; 13. A first positioning member; 14. A second positioning member; 15. A driving assembly; 16. A telescopic assembly; 17. A support member; 18. A sensor;

[0024] 111. A first clamping surface; 121. A second clamping surface; 151. A motor; 152. A telescopic member; 161. A telescopic rod; 171. A guide slope. DETAILED DESCRIPTION

[0025] Please refer to Figures 2-4The utility model provides a sector gear clamping device 1 for clamping sector gear, sector gear clamping device 1 includes first clamping part 11 and second clamping part 12 of opposite arrangement, first clamping part 11 has first clamping surface 111, and at least one first positioning piece 13 is arranged on first clamping surface 111, and second clamping part 12 has second clamping surface 121, and at least one second positioning piece 14 is arranged on second clamping surface 121, and first positioning piece 13 and second positioning piece 14 are used to position sector gear on first clamping part 11 and second clamping part 12 respectively, and sector gear clamping device 1 further includes drive assembly 15 and telescopic assembly 16, drive assembly 15 is connected with first clamping part 11 to drive first clamping part 11 relative to second clamping part 12 rotation, and telescopic assembly 16 is connected with second clamping part 12 to make second clamping part 12 relative first clamping part 11 telescopic.

[0026] As a preferred mode, the clamping surface of the two clamping parts is provided with at least one positioning piece, so that the sector gear clamping device 1 can position the sector gear on the first clamping part 11 and the second clamping part 12 when clamping the sector gear, so that the sector gear clamping device 1 is not easy to slip and rotate when clamping the sector gear, and the position of the sector gear can be more accurate. The design of the telescopic assembly 16 can drive the second clamping part 12 to move to approach or away from the first clamping part 11, and the design of the drive assembly 15 can drive the first clamping part 11 to rotate relative to the second clamping part 12, and the cooperation of the two can realize the clamping effect of the sector gear.

[0027] As a preferred mode, the connection between the first positioning piece 13 or the second positioning piece 14 and the corresponding clamping surface can be fixed connection or detachable connection, which can be designed according to actual needs. Further, the drive assembly 15 includes a motor 151 and a telescopic piece 152, wherein the telescopic piece 152 can be a pneumatic cylinder or a hydraulic cylinder.

[0028] As a preferred mode, the drive assembly 15 includes a motor 151 and a pneumatic cylinder, the output end of the motor 151 is connected with the first clamping part 11, and the end of the motor 151 away from the first clamping part 11 is fixedly connected with the output end of the pneumatic cylinder.

[0029] As a preferred mode, the drive assembly 15 includes a motor 151 and a hydraulic cylinder, the output end of the motor 151 is connected with the first clamping part 11, and the end of the motor 151 away from the first clamping part 11 is fixedly connected with the output end of the hydraulic cylinder.

[0030] As a preferred mode, the telescopic assembly 16 is a telescopic rod 161.

[0031] It can be understood that the telescopic rod 161 is designed to enable the second clamping part 12 to move towards or away from the first clamping part 11, so that the distance between the first clamping part 11 and the second clamping part 12 is adjustable.

[0032] As a preferred mode, the sector gear clamping device 1 further comprises a support 17 connected with the first clamping part 11 to bear the sector gear. Specifically, the support 17 has opposite bottom and top parts, and the top part forms a guide slope 171.

[0033] It can be understood that the support 17 can provide a certain support force for the processed sector gear, and the guide slope 171 is arranged to enable the worker to place the processed sector gear on the support 17 more conveniently.

[0034] As a preferred mode, the support 17 is substantially L-shaped.

[0035] As a preferred mode, the first positioning part 13 is a positioning block, and the second positioning part 14 is a positioning column and the number thereof is two; the positioning block is used to be clamped into the circular through hole of the sector gear, and the positioning column is used to be clamped into the tooth groove of the sector gear.

[0036] It can be understood that in use, the worker first opens the first clamping part 11 and the second clamping part 12 of the clamping device, then places the sector gear on the first clamping part 11, the positioning block is arranged on the clamping surface of the first clamping part 11 and clamped into the circular through hole of the sector gear, so as to hang the sector gear, and the positioning column clamped into the tooth groove of the sector gear can prevent the sector gear from rotating around the center of the sector gear, and finally the first clamping part 11 and the second clamping part 12 are closed together to achieve the purpose of clamping the sector gear.

[0037] As a preferred mode, the sector gear clamping device 1 further comprises a sensor 18 signal connected with the telescopic part 152 of the first clamping part 11.

[0038] It can be understood that when the sensor 18 detects that the sector gear is placed on the first clamping part 11, it automatically closes to clamp the sector gear. The sensor 18 can be an infrared sensor.

Claims

1. A sector gear clamping device (1), characterized in that: The sector gear clamping device (1) comprises oppositely arranged first clamping part (11) and second clamping part (12), the first clamping part (11) has first clamping surface (111), at least one first positioning member (13) is arranged on the first clamping surface (111), the second clamping part (12) has second clamping surface (121), at least one second positioning member (14) is arranged on the second clamping surface (121), the first positioning member (13) and the second positioning member (14) are used for positioning the sector gear on the first clamping part (11) and the second clamping part (12) respectively; The sector gear clamping device (1) further comprises driving assembly (15) and telescopic assembly (16), the driving assembly (15) is connected with the first clamping part (11) to drive the first clamping part (11) to rotate relative to the second clamping part (12), the telescopic assembly (16) is connected with the second clamping part (12) to make the second clamping part (12) relative to the first clamping part (11) telescopic.

2. The sector gear clamping device (1) according to claim 1, characterized in that: The driving assembly (15) comprises motor (151) and telescopic member (152), the output end of the motor (151) is connected with the first clamping part (11), the end of the motor (151) away from the first clamping part (11) is fixedly connected with the output end of the telescopic member (152).

3. The sector gear clamping device (1) according to claim 2, characterized in that: The telescopic member (152) is a pneumatic cylinder or a hydraulic cylinder.

4. The sector gear clamping device (1) according to claim 1, characterized in that: The telescopic assembly (16) is telescopic rod (161).

5. The sector gear clamping device (1) according to claim 1, characterized in that: The sector gear clamping device (1) further comprises support member (17), the support member (17) is connected with the first clamping part (11) to bear the sector gear.

6. A sector gear clamping device (1) according to claim 5, characterized in that: The support member (17) has opposite bottom and top, the top forms a guide slope (171).

7. A sector gear clamping device (1) according to claim 6, characterized in that: The support member (17) is generally L-shaped.

8. A sector gear clamping device (1) according to claim 3, characterized in that: The first positioning member (13) is a positioning block, the second positioning member (14) is a positioning column and the number thereof is two; The positioning block is used for clamping into the circular through hole of the sector gear, and the positioning column is used for clamping into the tooth groove of the sector gear.

9. A sector gear clamping device (1) according to claim 2, characterized in that: Further comprising sensor (18), sensor (18) is signal connected with the telescopic member (152) of the first clamping part (11).

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