Gearbox gear machining clamp

Abstract

The utility model belongs to the technical field of gear machining, and particularly relates to a gearbox gear machining clamp which comprises a supporting seat, a workbench and a clamping box. The top of the supporting base is fixedly connected with the bottom of the workbench. The bottom of the clamping box is fixedly connected with the top of the workbench. The top of the workbench is fixedly connected with a first motor. The output end of the first motor is fixedly connected with a first gear; one side of the first gear is in engaged connection with an annular rack; the surface of the annular rack is in sliding connection with the inner wall of the clamping box. The inner side of the annular rack is connected with four second gears in an engaged mode. A connecting column is connected to the inner side of the second gear in a sleeving manner; the top end of the connecting column is fixedly connected with the inner wall of the clamping box. And the problem that when an existing clamp for gear polishing machining is used, adjustment cannot be carried out according to gears of different sizes so as to effectively clamp and fix the gears, and therefore the application range of the clamp is reduced is solved.

Description

Technical Field

[0001] The utility model belongs to the technical field of gear processing, in particular to a gearbox gear processing fixture. Background Art

[0002] The automobile transmission is a transmission device used to coordinate the engine speed and the actual driving speed of the wheels to bring out the best performance of the engine. The transmission can produce different speed ratios between the engine and the wheels during the driving process of the car. During the processing of the automobile transmission gear tooth profile, a fixture is required to clamp the automobile transmission gear.

[0003] In the current existing technology, gears need to be ground and polished during their production and processing to improve the stability and accuracy of gear installation. When grinding and polishing the gears, a fixture is needed to fix the gears to ensure the stability of the processing. The primary function of the fixture is to provide accurate positioning for the gears, which is usually achieved through positioning elements (such as locating pins, locating sleeves, etc.) to ensure the correct position of the gears relative to the tool or processing equipment. The fixture must be able to firmly fix the workpiece to prevent movement or vibration during the processing process. Fixing is usually achieved through clamping devices (such as bolts, hydraulic or pneumatic devices).

[0004] However, the existing fixture for gear grinding cannot be adjusted to gears of different sizes to effectively clamp and fix the gears when in use, thereby reducing the applicability of the fixture. Therefore, a gearbox gear processing fixture is proposed to address the above problem. Utility Model Content

[0005] In order to make up for the deficiencies of the prior art and solve at least one technical problem raised in the background technology, the utility model provides a gearbox gear machining fixture.

[0006] The technical solution adopted by the utility model to solve its technical problems is: a gearbox gear processing fixture described in the utility model comprises a support seat, a workbench and a clamping box; the top of the support seat is fixedly connected to the bottom of the workbench; the bottom of the clamping box is fixedly connected to the top of the workbench; the top of the workbench is fixedly connected with a first motor; the output end of the first motor is fixedly connected with a first gear; one side of the first gear is meshed and connected with an annular rack; the surface of the annular rack is slidably connected to the inner wall of the clamping box; the inner side of the annular rack is meshed and connected with four second gears; the inner side of the second gear is sleeved and connected with a connecting column; the top of the connecting column is fixedly connected to the inner wall of the clamping box; one side of the second gear is meshed and connected with a spur rack; the surface of the spur rack is slidably connected to the clamping box; one end of the spur rack is fixedly connected with an arc clamping block; a self-locking component is arranged on the top of the workbench; the self-locking component is used in conjunction with the first gear; the surface of the support seat is arranged with an auxiliary clamping mechanism; the auxiliary clamping mechanism is used in conjunction with the arc clamping block.

[0007] Preferably, the auxiliary clamping mechanism includes a connecting plate; one side of the connecting plate is fixedly connected to one side of the support seat; one side of the connecting plate is fixedly connected to a second motor; the output end of the second motor is fixedly connected to a bidirectional screw rod; the surface of the bidirectional screw rod is threadedly connected to two moving blocks; the top of the moving block is fixedly connected to a first connecting rod; one end of the first connecting rod is fixedly connected to a second connecting rod; one end of the second connecting rod is fixedly connected to an auxiliary clamping plate.

[0008] Preferably, the self-locking component includes an electric telescopic column; the surface of the electric telescopic column is fixedly connected to the inner wall of the workbench; the output end of the electric telescopic column is fixedly connected to a limit block; the limit block is located in the tooth grooves of two adjacent teeth on the first gear.

[0009] Preferably, an auxiliary block is fixedly connected to one side of the connecting plate; a limiting slide bar is fixedly connected between the auxiliary blocks; a limiting slider is fixedly connected to one side of the moving block; and the limiting slider is sleeved on the surface of the limiting slide bar.

[0010] Preferably, the bottom of the auxiliary clamping plate is fixedly connected with an auxiliary slider; the internal sleeve of the auxiliary slider is connected with an auxiliary sliding rod; both ends of the auxiliary sliding rod pass through the auxiliary slider and are fixedly connected with the inner wall of the support seat; an auxiliary sliding groove is opened on the top of the support seat; the auxiliary slider and the auxiliary sliding rod are both located in the auxiliary sliding groove.

[0011] Preferably, one end of the bidirectional screw rod is sleeved and connected with a limit bearing, and the outer surface of the limit bearing is fixedly connected to the inner wall of the connecting plate.

[0012] Preferably, a moving groove is provided on the top of the clamping box, and the moving groove is used in conjunction with a spur gear.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a gearbox gear processing fixture. When adjustment is required according to the inner diameter of the gearbox gear, the gearbox gear is sleeved on the surface of a clamping box, and then the self-locking component is disengaged from the first gear, the first motor is started, the first motor drives the first gear to rotate, the first gear drives the annular rack to rotate, the annular rack simultaneously drives four second gears to rotate, the second gear drives the spur rack to move, the spur rack drives the arc-shaped clamping block to move, the arc-shaped clamping block contacts the inner side of the gearbox gear, thereby clamping and fixing the gearbox gear, thereby achieving the advantage of adjusting the limit according to the inner diameter of the gearbox gear and improving the practicality of the fixture.

[0015] 2. The utility model provides a gearbox gear processing fixture, which starts the second motor, drives the bidirectional screw to rotate, the bidirectional screw drives the two moving blocks to move, the two moving blocks drive the first connecting rod to move, the first connecting rod drives the second connecting rod to move, and the second connecting rod drives the auxiliary clamping plate to move, so that the auxiliary clamping plate can assist in clamping the gearbox gear, so that the gearbox gear can be better fixed and the probability of shaking of the gearbox gear can be reduced. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a sectional stereoscopic diagram of the gearbox gear processing fixture in the utility model;

[0019] Figure 3 It is a three-dimensional diagram of the auxiliary clamping mechanism in the utility model;

[0020] Figure 4 It is a cutaway perspective view of the clamping box in the utility model;

[0021] Figure 5 This utility model Figure 2 Enlarged stereogram of point A in the middle.

[0022] Legend:

[0023] 1. Support seat; 101. Workbench; 102. Clamping box; 103. First motor; 104. First gear; 105. Ring rack; 106. Second gear; 107. Connecting column; 108. Straight rack; 109. Arc clamping block; 2. Connecting plate; 201. Second motor; 202. Bidirectional lead screw; 203. Moving block; 204. First connecting rod; 205. Second connecting rod; 206. Auxiliary clamping plate; 3. Electric telescopic column; 301. Limiting block; 4. Auxiliary block; 401. Limiting slider; 402. Limiting slide rod; 5. Auxiliary slider; 501. Auxiliary slide rod; 502. Auxiliary slide groove; 6. Limiting bearing; 7. Moving groove. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] Specific examples are given below.

[0026] See also Figure 1 - Figure 5The utility model provides a gearbox gear processing fixture, including a support seat 1, a workbench 101 and a clamping box 102; the top of the support seat 1 is fixedly connected to the bottom of the workbench 101; the bottom of the clamping box 102 is fixedly connected to the top of the workbench 101; the top of the workbench 101 is fixedly connected to a first motor 103; the output end of the first motor 103 is fixedly connected to a first gear 104; one side of the first gear 104 is meshedly connected to an annular rack 105; the surface of the annular rack 105 is slidably connected to the inner wall of the clamping box 102; the inner side of the annular rack 105 is meshedly connected to four second gears 106; the inner side of the second gear 106 is sleeved with a connecting column 107; the top of the connecting column 107 is fixedly connected to the inner wall of the clamping box 102; one side of the second gear 106 is meshedly connected to a spur rack 108; the surface of the spur rack 108 is slidably connected to the clamping box 102; one end of the spur rack 108 is fixedly connected The workbench 101 is connected with an arc clamping block 109; a self-locking component is arranged on the top of the workbench 101; the self-locking component is used in conjunction with the first gear 104; an auxiliary clamping mechanism is arranged on the surface of the support seat 1; the auxiliary clamping mechanism is used in conjunction with the arc clamping block 109; during operation, when it is necessary to adjust according to the inner diameter of the gearbox gear, the gearbox gear is sleeved on the surface of the clamping box 102, and then the self-locking component is disengaged from the first gear 104, the first motor 103 is started, the first motor 103 drives the first gear 104 to rotate, the first gear 104 drives the annular rack 105 to rotate, the annular rack 105 drives the four second gears 106 to rotate at the same time, the second gear 106 drives the spur rack 108 to move, the spur rack 108 drives the arc clamping block 109 to move, so that the arc clamping block 109 contacts the inner side of the gearbox gear, thereby clamping and fixing the gearbox gear, thereby achieving the advantage of adjusting the limit according to the inner diameter of the gearbox gear and improving the practicality of the fixture.

[0027] Further, such as Figure 1 and Figure 3As shown, the auxiliary clamping mechanism includes a connecting plate 2; one side of the connecting plate 2 is fixedly connected to one side of the support seat 1; one side of the connecting plate 2 is fixedly connected to a second motor 201; the output end of the second motor 201 is fixedly connected to a bidirectional screw rod 202; the surface of the bidirectional screw rod 202 is threadedly connected to two moving blocks 203; the top of the moving block 203 is fixedly connected to a first connecting rod 204; one end of the first connecting rod 204 is fixedly connected to a second connecting rod 205; one end of the second connecting rod 205 is fixed An auxiliary clamping plate 206 is connected; when working, by starting the second motor 201, the second motor 201 drives the bidirectional screw rod 202 to rotate, the bidirectional screw rod 202 drives the two moving blocks 203 to move, the two moving blocks 203 drive the first connecting rod 204 to move, the first connecting rod 204 drives the second connecting rod 205 to move, and the second connecting rod 205 drives the auxiliary clamping plate 206 to move, so that the auxiliary clamping plate 206 assists in clamping the gearbox gear, so that the gearbox gear is better fixed and the probability of shaking of the gearbox gear is reduced.

[0028] Further, such as Figure 5 As shown, the self-locking component includes an electric telescopic column 3; the surface of the electric telescopic column 3 is fixedly connected to the inner wall of the workbench 101; the output end of the electric telescopic column 3 is fixedly connected to a limit block 301; the limit block 301 is located in the tooth groove of two adjacent teeth on the first gear 104; when working, the user starts the electric telescopic column 3, and the electric telescopic column 3 drives the limit block 301 to disengage from the first gear 104, so that the first gear 104 can rotate. After adjustment, the user resets the limit block 301 to the tooth groove on the first gear 104 to fix the first gear 104, thereby stably clamping the gearbox gear.

[0029] Further, such as Figure 3 As shown, one side of the connecting plate 2 is fixedly connected with an auxiliary block 4; the auxiliary blocks 4 are fixedly connected with a limiting slide bar 402; one side of the moving block 203 is fixedly connected with a limiting slider 401; the limiting slider 401 is sleeved on the surface of the limiting slide bar 402; when working, the moving block 203 drives the limiting slider 401 to slide on the limiting slide bar 402, so that the limiting slider 401 horizontally limits the moving block 203, so that the moving block 203 moves more easily when the bidirectional screw rod 202 rotates, thereby reducing the wear of the moving block 203 and extending the service life of the moving block 203.

[0030] Further, such as Figure 3As shown, the bottom of the auxiliary clamping plate 206 is fixedly connected with an auxiliary slider 5; the internal sleeve of the auxiliary slider 5 is connected with an auxiliary slide bar 501; both ends of the auxiliary slide bar 501 pass through the auxiliary slider 5 and are fixedly connected with the inner wall of the support seat 1; the top of the support seat 1 is provided with an auxiliary slide groove 502; the auxiliary slider 5 and the auxiliary slide bar 501 are both located in the auxiliary slide groove 502; when working, the auxiliary clamping plate 206 drives the auxiliary slider 5 to slide on the auxiliary slide bar 501 and the auxiliary slide groove 502, horizontally limits the auxiliary clamping plate 206, reduces the wear of the auxiliary clamping plate 206, and extends the service life of the auxiliary clamping plate 206.

[0031] Further, such as Figure 3 As shown, one end of the bidirectional screw rod 202 is sleeved and connected with a limit bearing 6, and the outer surface of the limit bearing 6 is fixedly connected to the inner wall of the connecting plate 2; when working, the bidirectional screw rod 202 rotates on the connecting plate 2 through the limit bearing 6, which reduces the wear of the bidirectional screw rod 202 and the connecting plate 2 and extends the service life of the bidirectional screw rod 202.

[0032] Further, such as Figure 4 As shown, a movable groove 7 is provided on the top of the clamping box 102, and the movable groove 7 is used in conjunction with a spur gear; when working, the second gear 106 drives the spur rack 108 to move in the movable groove 7, reducing the wear of the spur rack 108 and extending the service life of the spur rack 108.

[0033] Working principle: When it is necessary to adjust according to the inner diameter of the gearbox, the gearbox is sleeved on the surface of the clamping box 102, and then the self-locking component is disengaged from the first gear 104, the first motor 103 is started, the first motor 103 drives the first gear 104 to rotate, the first gear 104 drives the annular rack 105 to rotate, the annular rack 105 drives the four second gears 106 to rotate at the same time, the second gear 106 drives the spur rack 108 to move, the spur rack 108 drives the arc clamping block 109 to move, so that the arc clamping block 109 contacts the inner side of the gearbox, thereby clamping and fixing the gearbox gear. Thus, the advantage of adjusting the limit according to the inner diameter of the gearbox is achieved, and the practicality of the clamp is improved. By starting the second motor 201, the second motor 201 drives the bidirectional screw rod 202 to rotate, the bidirectional screw rod 202 drives the two moving blocks 203 to move, the two moving blocks 203 drive the first connecting rod 204 to move, the first connecting rod 204 drives the second connecting rod 205 to move, and the second connecting rod 205 drives the auxiliary clamping plate 206 to move, so that the auxiliary clamping plate 206 assists in clamping the gearbox gear, so that the gearbox gear is better fixed and the probability of the gearbox gear shaking is reduced. The user starts the electric telescopic column 3, and the electric telescopic column 3 drives the limit block 301 to disengage from the first gear 104, so that the first gear 104 can rotate. After adjustment, the user resets the limit block 301 to the tooth groove on the first gear 104 to fix the first gear 104, thereby stably clamping the gearbox gear, and the moving block 203 drives the limit slider 401 to slide on the limit slider 402, so that the limit slider 401 horizontally limits the moving block 203, so that the moving block 203 can move more easily when the bidirectional screw rod 202 rotates, thereby reducing the wear of the moving block 203 and extending the moving time. The service life of the moving block 203 is extended, the auxiliary clamping plate 206 drives the auxiliary sliding block 5 to slide in the auxiliary sliding rod 501 and the auxiliary sliding groove 502, and the auxiliary clamping plate 206 is horizontally limited, which reduces the wear of the auxiliary clamping plate 206 and extends the service life of the auxiliary clamping plate 206. The bidirectional screw rod 202 rotates on the connecting plate 2 through the limiting bearing 6, which reduces the wear of the bidirectional screw rod 202 and the connecting plate 2 and extends the service life of the bidirectional screw rod 202. The second gear 106 drives the spur rack 108 to move in the moving groove 7, which reduces the wear of the spur rack 108 and extends the service life of the spur rack 108.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A gearbox gear processing fixture, comprising a support base (1), a workbench (101) and a clamping box (102); characterized in that: The top of the support seat (1) is fixedly connected to the bottom of the workbench (101); the bottom of the clamping box (102) is fixedly connected to the top of the workbench (101); the top of the workbench (101) is fixedly connected to a first motor (103); the output end of the first motor (103) is fixedly connected to a first gear (104); one side of the first gear (104) is meshedly connected to an annular rack (105); the surface of the annular rack (105) is slidably connected to the inner wall of the clamping box (102); the inner side of the annular rack (105) is meshedly connected to four second gears (106); the second gears (106) The inner side of the workbench (101) is sleeved with a connecting column (107); the top end of the connecting column (107) is fixedly connected to the inner wall of the clamping box (102); one side of the second gear (106) is meshingly connected with a spur rack (108); the surface of the spur rack (108) is slidably connected to the clamping box (102); one end of the spur rack (108) is fixedly connected to an arc-shaped clamping block (109); a self-locking component is provided on the top of the workbench (101); the self-locking component is used in conjunction with the first gear (104); an auxiliary clamping mechanism is provided on the surface of the support seat (1); the auxiliary clamping mechanism is used in conjunction with the arc-shaped clamping block (109).

2. The gearbox gear machining fixture according to claim 1, characterized in that: The auxiliary clamping mechanism comprises a connecting plate (2); one side of the connecting plate (2) is fixedly connected to one side of the support seat (1); one side of the connecting plate (2) is fixedly connected to a second motor (201); an output end of the second motor (201) is fixedly connected to a bidirectional screw rod (202); a surface of the bidirectional screw rod (202) is threadedly connected to two moving blocks (203); a top of the moving block (203) is fixedly connected to a first connecting rod (204); one end of the first connecting rod (204) is fixedly connected to a second connecting rod (205); and one end of the second connecting rod (205) is fixedly connected to an auxiliary clamping plate (206).

3. The gearbox gear machining fixture according to claim 1, characterized in that: The self-locking component comprises an electric telescopic column (3); the surface of the electric telescopic column (3) is fixedly connected to the inner wall of the workbench (101); the output end of the electric telescopic column (3) is fixedly connected to a limit block (301); the limit block (301) is located in the tooth grooves of two adjacent teeth on the first gear (104).

4. The gearbox gear machining fixture according to claim 2, characterized in that: One side of the connecting plate (2) is fixedly connected to an auxiliary block (4); a limit slide bar (402) is fixedly connected between the auxiliary blocks (4); one side of the moving block (203) is fixedly connected to a limit slide bar (401); and the limit slide bar (401) is sleeved on the surface of the limit slide bar (402).

5. The gearbox gear machining fixture according to claim 2, characterized in that: The bottom of the auxiliary clamping plate (206) is fixedly connected to an auxiliary sliding block (5); the auxiliary sliding block (5) is sleeved and connected to an auxiliary sliding rod (501) inside; both ends of the auxiliary sliding rod (501) penetrate the auxiliary sliding block (5) and are fixedly connected to the inner wall of the support seat (1); an auxiliary sliding groove (502) is provided on the top of the support seat (1); the auxiliary sliding block (5) and the auxiliary sliding rod (501) are both located in the auxiliary sliding groove (502).

6. The gearbox gear machining fixture according to claim 2, characterized in that: One end of the bidirectional screw rod (202) is sleeved and connected to a limit bearing (6), and the outer surface of the limit bearing (6) is fixedly connected to the inner wall of the connecting plate (2).

7. The gearbox gear machining fixture according to claim 1, characterized in that: The top of the clamping box (102) is provided with a moving groove (7), and the moving groove (7) is used in conjunction with a spur gear.

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