Deburring device used after gear hobbing of gear pump

Abstract

The utility model relates to a gear machining device, in particular to a deburring device used after gear hobbing of a gear pump. The gear machining device structurally comprises a rack, a feeding scraper mechanism is arranged on one side of the upper portion of the rack, a workpiece positioning mechanism is arranged on the other side of the upper portion of the rack, a to-be-machined gear is fixed and rapidly rotated through the workpiece positioning mechanism, and burrs of the to-be-machined gear are removed through the feeding scraper mechanism. The deburring device used after gear hobbing of the gear pump can remove large burrs at the lower end of the gear after gear hobbing, improves machining precision, lays a good foundation for subsequent machining, improves machining efficiency and improves operation safety.

Description

Technical Field

[0001] The utility model relates to a gear processing device, in particular to a deburring device for gears of a gear pump after hobbing. Background Technique

[0002] The burrs at the lower end of the gear after hobbing are relatively large and hard, and are not easy to remove, which affects the processing quality of the subsequent processes. The previous removal method was to clamp the gear shaft with a chuck and remove the burrs at the lower end of the gear with a scraper. The operation was difficult, time-consuming, and it was very easy to hurt the operator. Summary of the Invention

[0003] In order to solve the problems of the prior art, the utility model provides a deburring device for gears of a gear pump after hobbing, which can remove large burrs at the lower end of the gear after hobbing, improve the processing accuracy, lay a good foundation for the subsequent processing, improve the processing efficiency, and improve the operation safety.

[0004] The technical solution adopted by the utility model is as follows:

[0005] A deburring device for gears of a gear pump after hobbing includes a frame. On one side above the frame, a feeding scraper mechanism is arranged, and on the other side, a workpiece positioning mechanism is arranged. The workpiece positioning mechanism realizes the fixation and rapid rotation of the gear to be processed, and the feeding scraper mechanism realizes the removal of burrs on the gear to be processed.

[0006] Preferably, the feeding scraper mechanism includes a feeding cylinder and a slide rail fixed on the frame. The axis of the feeding cylinder is connected with a push rod, the front end of the push rod is connected with a slider on the slide rail, and a scraper is arranged above the slider through a tool holder.

[0007] Preferably, the workpiece positioning mechanism includes a gear top plate and a rotating cylinder column arranged on the frame. Above the gear top plate, a gear positioning sleeve is arranged. On the gear positioning sleeve, a gear positioning pin is arranged. The lower end of the rotating shaft of the gear top plate is connected with a main shaft arranged in the frame. The main shaft is connected with a motor arranged in the frame through a belt transmission mechanism. A rotating cylinder is arranged on the rotating cylinder column, and a top pressing plate assembly is arranged above the rotating cylinder.

[0008] Preferably, the top pressing plate assembly includes an upper top pressing plate connected to the rotating cylinder. At both ends of the upper top pressing plate, top adjusting lead screws are respectively arranged. The upper ends of the top adjusting lead screws are connected with top adjusting handles, and the lower ends are connected with gear pressing tips. Locking nuts are also arranged on the top adjusting lead screws.

[0009] Preferably, an air source distributor and an oil mist separator are arranged inside the frame.

[0010] The beneficial effects brought by the technical solution provided by the present utility model are as follows:

[0011] A deburring device for a gear pump gear after hobbing according to the present utility model can quickly remove large burrs at the lower end of the gear after hobbing, improve the machining accuracy, lay a good foundation for subsequent machining, improve the machining efficiency, and improve the operation safety. Description of the Drawings

[0012] In order to more clearly illustrate the technical solutions in the embodiments of the present utility model, the following will briefly introduce the drawings required for the description of the embodiments. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on these drawings without creative efforts.

[0013] Figure 1 It is a schematic diagram of the overall structure of a deburring device for a gear pump gear after hobbing according to the present utility model. Detailed Embodiments

[0014] To make the objectives, technical solutions, and advantages of the present utility model clearer, the following will further describe the embodiments of the present utility model in detail with reference to the drawings. Embodiment

[0015] As shown in the Figure 1 drawings, a deburring device for a gear pump gear after hobbing in this embodiment includes a frame 1. On one side above the frame 1, a feeding scraper mechanism is provided, and on the other side, a workpiece positioning mechanism is provided. The workpiece positioning mechanism realizes the fixation and rapid rotation of the gear to be machined, and the feeding scraper mechanism realizes the removal of burrs on the gear to be machined.

[0016] In this embodiment, the feeding scraper mechanism includes a feeding cylinder 2 and a slide rail 3 fixed on the frame 1. The shaft core of the feeding cylinder 2 is connected to a push rod 4. The front end of the push rod 4 is connected to a slider 5 on the slide rail 3. Above the slider 5, a scraper 7 is provided through a tool holder 6.

[0017] In this embodiment, the workpiece positioning mechanism includes a gear top plate 8 and a rotating cylinder column 9 provided on the frame 1. Above the gear top plate 8, a gear positioning sleeve 10 is provided. On the gear positioning sleeve 10, a gear positioning pin 11 is provided. Below the rotating shaft of the gear top plate 8, a main shaft 12 provided inside the frame 1 is connected. The main shaft 12 is connected to a motor 14 provided inside the frame 1 through a belt transmission mechanism 13. On the rotating cylinder column 9, a rotating cylinder 15 is provided. Above the rotating cylinder 15, a top clamp plate assembly is provided.

[0018] The center-point pressing plate assembly of this embodiment includes an upper center-point pressing plate 16 connected to a rotary cylinder 15. At both ends of the upper center-point pressing plate 16, center-point adjusting lead screws 17 are respectively arranged. The upper ends of the center-point adjusting lead screws 17 are connected to center-point adjusting handles 18, and the lower ends are connected to gear pressing center-points 19. Locking nuts 20 are also arranged on the center-point adjusting lead screws 17.

[0019] Inside the frame 1 of this embodiment, an air source splitter 21 and an oil mist separator 22 are arranged.

[0020] When this embodiment is specifically used, the workpiece to be deburred is placed in the gear positioning hole at the upper end of the main shaft 12, and the gear positioning pin 11 of the positioning sleeve 10 is stuck between two teeth of the workpiece gear to fix the gear. Press the start button, the rotary cylinder 15 intakes air, the cylinder drives the upper center-point pressing plate 16 to press downwards, the gear pressing center-point 19 presses the workpiece gear, the main shaft 12 rotates, the operator manipulates the feed operation handle, the feed cylinder 2 intakes air, drives the tool rest 6 to feed, after the burrs on the gear end face are removed by the scraping tool 7, the operator manually manipulates the tool rest 6 to retract, presses the stop button, the main shaft 12 stops rotating, the rotary cylinder 15 rotates, the gear pressing center-point 19 releases the workpiece, and the operator takes down the workpiece, and the processing is completed.

[0021] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention shall be included within the protection scope of the present invention.

Claims

1. A gear pump gear deburring device after gear hobbing, comprising a frame, characterized in that: A feed scraper mechanism is arranged on one side above the frame, and a workpiece positioning mechanism is arranged on the other side. The workpiece positioning mechanism realizes the fixation and rapid rotation of the gear to be processed, and the feed scraper mechanism realizes the removal of burrs on the gear to be processed.

2. The gear pump gear deburring device after gear hobbing according to claim 1, characterized in that: The feed scraper mechanism comprises a feed cylinder and a slide rail fixed on the frame, the shaft core of the feed cylinder is connected to a push rod, the front end of the push rod is connected to a slider on the slide rail, and a scraper is arranged above the slider through a tool holder.

3. The gear pump gear deburring device after gear hobbing according to claim 1, characterized in that: The workpiece positioning mechanism includes a gear top plate and a rotating cylinder column arranged on the frame, a gear positioning sleeve is arranged above the gear top plate, a gear positioning pin is arranged on the gear positioning sleeve, the lower part of the rotating shaft of the gear top plate is connected to the main shaft arranged in the frame, the main shaft is connected to the motor arranged in the frame through a belt transmission mechanism, a rotating cylinder is arranged on the rotating cylinder column, and a top pressure plate assembly is arranged above the rotating cylinder.

4. The gear pump gear deburring device after gear hobbing according to claim 3, characterized in that: The top pressure plate assembly includes an upper top pressure plate connected to a rotating cylinder, and top adjustment screws are respectively provided at both ends of the upper top pressure plate. The upper end of the top adjustment screw is connected to a top adjustment handle, and the lower end is connected to a gear to press the top. A locking nut is also provided on the top adjustment screw.

5. The gear pump gear deburring device after gear hobbing according to claim 1, characterized in that: An air source branch and an oil mist separator are arranged inside the frame.

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