Clamping jig for gear shaft machining

Abstract

The utility model belongs to the technical field of clamping jigs, and particularly relates to a clamping jig for gear shaft machining, which comprises a bottom plate, a support is fixedly connected to the upper end of the bottom plate, a supporting seat is slidably connected to the upper end of the support, an adjusting mechanism is arranged on the support, a barrel is mounted in the supporting seat through a bearing, and the adjusting mechanism is arranged on the barrel. A limiting ring is fixedly connected to the outer side of the barrel, a limiting mechanism is arranged on the support, a connecting rod is slidably connected to the interior of the barrel, a clamping plate is fixedly connected to one end of the connecting rod, a top block is fixedly connected to the other end of the connecting rod, and a spring is arranged on the outer side of the connecting rod. The technical effects of the scheme are that the bidirectional screw rod and the screw cylinder are rotated to do threaded motion, so that the connecting rod drives the support to slide on the bracket, the cylinder body is convenient to move, and the device can support gear shafts with different lengths.

Description

Technical Field

[0001] The present invention relates to a clamping fixture for machining a gear shaft. Background Art

[0002] The utility model patent with the patent authorization announcement number CN219725885U discloses a gear shaft clamping fixture including a workbench, a mounting plate, a three-jaw chuck, and an adjustment mechanism. The mounting plate is mounted on the workbench. The three-jaw chuck is rotatably connected to the mounting plate. The adjustment mechanism is slidably mounted on the mounting plate. The adjustment mechanism cooperates with the three-jaw chuck to regulate the rotation of the three-jaw chuck relative to the mounting plate, so that the three-jaw chuck rotates relative to the mounting plate in a first rotation direction and is fixed relative to the mounting plate in a second rotation direction. The first rotation direction is opposite to the second rotation direction. When the gear shaft reverses, it affects the processing accuracy of the gear shaft. The adjustment mechanism allows the gear shaft to rotate only in the first rotation direction.

[0003] However, when the device is in use, it is not convenient to adjust the device after the gear shaft is fixed. At the same time, it is inconvenient for the device to support and fix gear shafts of different lengths. Utility Model Content

[0004] The purpose of this solution is to provide a clamping fixture for machining a gear shaft to solve the problem that the device is inconvenient to adjust after the gear shaft is fixed, and at the same time, it is inconvenient for the device to support and fix gear shafts of different lengths.

[0005] In order to achieve the above-mentioned purpose, the present invention provides a clamping fixture for machining a gear shaft, comprising a base plate, the upper end of the base plate is fixedly connected to a bracket, the upper end of the bracket is slidably connected to a support, an adjustment mechanism is provided on the bracket, a cylinder is installed inside the support through a bearing, the outer side of the cylinder is fixedly connected to a limiting ring, a limiting mechanism is provided on the support, a connecting rod is slidably connected to the inside of the cylinder, one end of the connecting rod is fixedly connected to a splint, the other end of the connecting rod is fixedly connected to a top block, and a spring is provided on the outer side of the connecting rod.

[0006] The principle of this solution is that when in use, the bidirectional screw is manually rotated according to the gear shaft length adjustment device. The bidirectional screw rotates and the screw barrel makes a threaded motion, thereby causing the screw barrel to move, the screw barrel drives the connecting rod to move, and the connecting rod drives the support to move, so that the distance between the two barrels changes. By rotating the bidirectional screw and the screw barrel to make a threaded motion, the connecting rod drives the support to slide on the bracket, thereby making the barrel easy to move, so that the device can support gear shafts of different lengths, and then the gear shaft is passed through the barrel and the end cover is manually rotated. The end cover rotates and the barrel makes a threaded motion, thereby making The end cover moves, and the end cover moves to extrude the top block, the top block drives the connecting rod to move, and the connecting rod drives the splint to move, so that the splint and the gear shaft are in contact, and the gear shaft is clamped and fixed. When processing the gear shaft, the slide tube is moved manually, and the slide tube drives the slide rod to move, and the slide rod drives the square rod to move down to extrude the compression spring, and the square rod drives the baffle to move, and the baffle insert moves and disengages from the limit ring, and then the cylinder is rotated, and the cylinder drives the gear shaft to rotate, and the gear shaft is driven to rotate by rotating the cylinder, and the slide rod is controlled to move by the slide tube, so that the square rod drives the insert to cooperate with the compression spring and the limit ring, which is convenient for limiting after the gear shaft is adjusted.

[0007] The technical effect of this solution is that by rotating the bidirectional screw and the screw barrel to perform threaded motion, the connecting rod drives the support to slide on the bracket, thereby making it easy to move the barrel, and the device can support gear shafts of different lengths.

[0008] The gear shaft is driven to rotate by rotating the cylinder, and the slide rod is controlled to move by the slide tube, so that the square rod drives the plug block to cooperate with the compression spring and the limit ring, which is convenient for limiting after the gear shaft is adjusted.

[0009] Furthermore, one end of the spring is fixedly connected to the cylinder, and the other end of the spring is fixedly connected to the top block. By arranging the spring, the top block is easy to reset.

[0010] Furthermore, an end cap is connected to the outer side of the cylinder through a thread, and the end cap is slidably connected to the top block. By arranging the end cap, the movement of the top block is controlled.

[0011] Furthermore, the adjustment mechanism includes a connecting rod, the lower end of the support is fixedly connected to the connecting rod, the lower end of the connecting rod is fixedly connected to a barrel, the interior of the barrel is threadedly connected to a bidirectional screw, the middle outer portion of the bidirectional screw is fixedly connected to a knob, the lower end of the bracket is fixedly connected to a limit plate, and the limit plate and the knob are rotatably connected. By rotating the bidirectional screw and the barrel to make a threaded motion, the connecting rod drives the support to slide on the bracket, thereby facilitating the movement of the barrel, and thus enabling the device to support gear shafts of different lengths.

[0012] Furthermore, the limiting mechanism includes a square tube, the surface of the support is fixedly connected to the square tube, the interior of the square tube is slidably connected to a square rod, a compression spring is provided inside the square tube, the upper end of the square rod is fixedly connected to a baffle, the baffle is in contact with a limiting ring, the upper end of the baffle is fixedly connected to an insert, the insert and the limiting ring are slidably connected, the surface of the square rod is fixedly connected to a sliding rod, the sliding rod is slidably connected to the square tube, and the outer side of the sliding rod is slidably connected to a sliding tube. The gear shaft is driven to rotate by rotating the cylinder, and the sliding rod is controlled to move by the sliding tube, so that the square rod drives the insert to cooperate with the limiting ring in the cooperation of the compression spring, which facilitates the limiting after the gear shaft is adjusted.

[0013] Furthermore, one end of the compression spring is fixedly connected to the support, and the other end of the compression spring is fixedly connected to the square rod. By arranging the compression spring, the square rod is easy to reset.

[0014] Furthermore, a guide rod is fixedly connected to the upper end of the bracket, and the guide rod is slidably connected to the slide tube. By providing the guide rod, the movement of the slide tube is guided. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A three-dimensional diagram of the overall structure of a clamping fixture for machining a gear shaft according to an embodiment of the present invention;

[0016] Figure 2 The clamping fixture for machining the gear shaft according to the embodiment of the present invention Figure 1 Bottom view of

[0017] Figure 3 The clamping fixture for machining the gear shaft according to the embodiment of the present invention Figure 1 The cross-sectional view of the square tube in

[0018] Figure 4 The clamping fixture for machining the gear shaft according to the embodiment of the present invention Figure 1 Cross-sectional view of the cylinder.

[0019] The following is a further detailed description through specific implementation methods:

[0020] The figure marks in the drawings of the specification include: 1. base plate; 2. bracket; 3. support; 4. adjustment mechanism; 5. cylinder; 6. limiting ring; 7. limiting mechanism; 8. connecting rod; 9. splint; 10. top block; 11. spring; 12. end cover; 41. connecting rod; 42. screw barrel; 43. bidirectional screw; 44. knob; 45. limiting plate; 71. square cylinder; 72. square rod; 73. compression spring; 74. baffle; 75. insert; 76. slide rod; 77. slide tube; 78. guide rod. DETAILED DESCRIPTION

[0021] The embodiment is basically as follows Figure 1 、 Figure 2 、 Figure 4 As shown, this embodiment provides a clamping fixture for machining a gear shaft, including a base plate 1, the upper end of the base plate 1 is fixedly connected to a bracket 2, the upper end of the bracket 2 is slidably connected to a support 3, an adjustment mechanism 4 is provided on the bracket 2, a cylinder 5 is installed inside the support 3 through a bearing, the outer side of the cylinder 5 is fixedly connected to a limiting ring 6, a limiting mechanism 7 is provided on the support 3, a connecting rod 8 is slidably connected to the inside of the cylinder 5, one end of the connecting rod 8 is fixedly connected to a splint 9, the other end of the connecting rod 8 is fixedly connected to a top block 10, a spring 11 is provided on the outside of the connecting rod 8, one end of the spring 11 is fixedly connected to the cylinder 5, and the other end of the spring 11 is fixedly connected to the top block 10, by providing the spring 11, the top block 10 is easy to reset, the outer side of the cylinder 5 is connected to an end cover 12 by a thread, the end cover 12 and the top block 10 are slidably connected, and the movement of the top block 10 is controlled by providing the end cover 12.

[0022] Figure 1 、 Figure 2 As shown, the adjustment mechanism 4 includes a connecting rod 41, the lower end of the support 3 is fixedly connected to the connecting rod 41, the lower end of the connecting rod 41 is fixedly connected to a screw barrel 42, the interior of the screw barrel 42 is threadedly connected to a bidirectional screw 43, the middle outer side of the bidirectional screw 43 is fixedly connected to a knob 44, the lower end of the bracket 2 is fixedly connected to a limit plate 45, the limit plate 45 and the knob 44 are rotatably connected, and the bidirectional screw 43 and the screw barrel 42 are rotated to perform threaded movement, thereby causing the connecting rod 41 to drive the support 3 to slide on the bracket 2, thereby facilitating the movement of the cylinder 5, and thereby enabling the device to support gear shafts of different lengths.

[0023] Figure 1 、 Figure 2 、 Figure 3 As shown, the limiting mechanism 7 includes a square tube 71, the surface of the support 3 is fixedly connected to the square tube 71, the interior of the square tube 71 is slidably connected to a square rod 72, a compression spring 73 is provided inside the square tube 71, one end of the compression spring 73 is fixedly connected to the support 3, and the other end of the compression spring 73 is fixedly connected to the square rod 72. By providing the compression spring 73, the square rod 72 is easy to reset, and the upper end of the square rod 72 is fixedly connected to a baffle 74, which contacts the limiting ring 6, and the upper end of the baffle 74 is fixedly connected to an insert block 75, which is slidably connected to the insert block 75 and the limiting ring 6 Then, the surface of the square rod 72 is fixedly connected with a slide rod 76, and the slide rod 76 is slidably connected to the square cylinder 71. The outer side of the slide rod 76 is slidably connected with a slide tube 77. The upper end of the bracket 2 is fixedly connected with a guide rod 78, and the guide rod 78 and the slide tube 77 are slidably connected. By setting the guide rod 78, the movement of the slide tube 77 is guided, and the gear shaft is driven to rotate by rotating the cylinder 5, and the movement of the slide rod 76 is controlled by the slide tube 77, so that the square rod 72 drives the plug block 75 to cooperate with the compression spring 73 and the limit ring 6, which is convenient for limiting after the gear shaft is adjusted.

[0024] The specific implementation process of the utility model is as follows: when in use, according to the gear shaft length adjustment device, the bidirectional screw 43 is manually rotated, the bidirectional screw 43 rotates and the screw barrel 42 performs a threaded motion, thereby causing the screw barrel 42 to move, the screw barrel 42 drives the connecting rod 41 to move, and the connecting rod 41 drives the support 3 to move, so that the distance between the two cylinders 5 changes, by rotating the bidirectional screw 43 and the screw barrel 42 to perform a threaded motion, thereby causing the connecting rod 41 to drive the support 3 to slide on the bracket 2, thereby making it easy to move the cylinder 5, thereby making the device able to support gear shafts of different lengths, and then the gear shaft is passed through the cylinder 5 and the end cover 12 is manually rotated, the end cover 12 rotates and performs a threaded motion with the cylinder 5, thereby causing the end cover 12 to move The end cover 12 moves and extrude the top block 10, and the top block 10 drives the connecting rod 8 to move, and the connecting rod 8 drives the splint 9 to move, so that the splint 9 contacts the gear shaft, clamping and fixing the gear shaft. When processing the gear shaft, the slide tube 77 is manually moved, and the slide tube 77 drives the slide rod 76 to move. The slide rod 76 drives the square rod 72 to move down and extrude the compression spring 73. The square rod 72 drives the baffle 74 to move, and the baffle 74 insert block 75 moves and disengages from the limit ring 6, and then rotates the cylinder 5. The cylinder 5 drives the gear shaft to rotate, and the gear shaft is driven to rotate by rotating the cylinder 5, and the slide rod 76 is controlled to move by the slide tube 77, so that the square rod 72 drives the insert block 75 to cooperate with the compression spring 73 to cooperate with the limit ring 6, which is convenient for limiting after the gear shaft is adjusted.

[0025] By rotating the bidirectional screw 43 and the screw barrel 42 to perform threaded motion, the connecting rod 41 drives the support 3 to slide on the bracket 2, thereby facilitating the movement of the barrel 5, and enabling the device to support gear shafts of different lengths.

[0026] The gear shaft is driven to rotate by rotating the cylinder 5, and the slide rod 76 is controlled to move by the slide tube 77, so that the square rod 72 drives the insert block 75 to cooperate with the compression spring 73 and the limit ring 6, which is convenient for limiting after the gear shaft is adjusted.

[0027] The above is only an embodiment of the present invention, and the commonly known specific structures and characteristics of the scheme are not described in detail here. It should be pointed out that for those skilled in the art, several modifications and improvements can be made without departing from the structure of the present invention, and these should also be regarded as the scope of protection of the present invention. These will not affect the effect of the implementation of the present invention and the practicality of the patent. The scope of protection claimed by this application shall be based on the content of its claims, and the specific implementation methods and other records in the specification can be used to interpret the content of the claims.

Claims

1. A fixture for machining a gear shaft, comprising a base plate, characterized in that: The upper end of the base plate is fixedly connected to a bracket, the upper end of the bracket is slidably connected to a support, an adjustment mechanism is provided on the bracket, a cylinder is installed inside the support through a bearing, the outer side of the cylinder is fixedly connected to a limiting ring, a limiting mechanism is provided on the support, a connecting rod is slidably connected to the inside of the cylinder, one end of the connecting rod is fixedly connected to a splint, the other end of the connecting rod is fixedly connected to a top block, and a spring is provided on the outer side of the connecting rod.

2. The clamping fixture for machining a gear shaft according to claim 1, characterized in that: One end of the spring is fixedly connected to the cylinder, and the other end of the spring is fixedly connected to the top block.

3. The clamping fixture for machining a gear shaft according to claim 1, characterized in that: The outer side of the cylinder is connected with an end cover through a thread, and the end cover is slidably connected to the top block.

4. The clamping fixture for machining a gear shaft according to claim 1, characterized in that: The adjustment mechanism includes a connecting rod, the lower end of the support is fixedly connected to the connecting rod, the lower end of the connecting rod is fixedly connected to a screw barrel, the interior of the screw barrel is connected to a bidirectional screw through a thread, the middle outer side of the bidirectional screw is fixedly connected to a knob, the lower end of the bracket is fixedly connected to a limit plate, and the limit plate and the knob are rotatably connected.

5. The clamping fixture for machining a gear shaft according to claim 1, characterized in that: The limiting mechanism includes a square tube, the surface of the support is fixedly connected to the square tube, the interior of the square tube is slidably connected to a square rod, a compression spring is provided inside the square tube, the upper end of the square rod is fixedly connected to a baffle, the baffle is in contact with a limiting ring, the upper end of the baffle is fixedly connected to an insert block, the insert block and the limiting ring are slidably connected, the surface of the square rod is fixedly connected to a sliding rod, the sliding rod and the square tube are slidably connected, and the outer side of the sliding rod is slidably connected to a sliding tube.

6. The clamping fixture for machining a gear shaft according to claim 5, characterized in that: One end of the compression spring is fixedly connected to the support, and the other end of the compression spring is fixedly connected to the square rod.

7. The clamping fixture for machining a gear shaft according to claim 5, characterized in that: The upper end of the bracket is fixedly connected with a guide rod, and the guide rod is slidably connected to the sliding tube.

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