Automatic deburring device suitable for automobile engine camshaft hole
By employing a front-end cam holder and a rear-end cam holder for positioning in the camshaft hole device of an automobile engine, and using a worm gear motor to drive the worm wheel rotation, the problem of needing to fix the camshaft hole on the back of the cam multiple times in the existing technology is solved, thus improving working efficiency and stability.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-31
- Publication Date
- 2026-03-17
AI Technical Summary
Existing deburring devices for automotive engine camshaft holes require multiple fixations when grinding the camshaft hole on the back of the cam, which affects work efficiency.
The front and rear cam frames are used to position the front and rear shafts, and the worm gear motor on the upper part of the drive frame drives the worm wheel to rotate, which in turn drives the cam chuck inside the rear and front shafts to rotate, thereby achieving automatic adjustment of the cam orientation.
The elimination of the need for multiple cam fixations improves the equipment's efficiency and adaptability, while the self-locking function of the worm gear and worm wheel maintains stability during the grinding process.
Smart Images

Figure CN223998012U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the automotive field, and in particular to an automatic deburring device suitable for camshaft holes in automotive engines. Background Technology
[0002] An existing patent (publication number: CN212191575U) discloses an automatic deburring device for automotive engine camshaft holes. It includes a base, with a servo motor mounted on the right side of the upper surface of the base. A threaded rod is fixedly connected to the output end of the servo motor, and a connecting post is threaded to the outer side of the threaded rod. A tool box is fixedly connected to the end of the connecting post away from the servo motor. A circular hole is opened inside the tool box, and a cutting head is fixedly installed in the circular hole. Two support frames are fixedly connected to the left side of the upper surface of the base. However, in this device, "both the front and rear ends of the positioning frame are connected to the support frames by screws." The equipment relies on the two sets of positioning frames on the upper part of the base to fix the cam. When grinding the back shaft hole of the cam, the operator needs to fix the cam multiple times, affecting the working efficiency of the equipment. Summary of the Invention
[0003] This invention addresses the aforementioned shortcomings of existing technologies by providing an automatic deburring device for automotive engine camshaft holes. This device uses a front cam holder and a rear cam holder to position the front and rear rotating shafts, and coordinates with a worm motor on the upper part of the drive frame to drive a worm wheel to rotate. The worm wheel then rotates two sets of cam chucks inside the rear and front rotating shafts, allowing the equipment to adjust the orientation of the cams according to the actual needs of camshaft hole grinding, thereby increasing the equipment's working efficiency.
[0004] The objective of this utility model is achieved through the following technical solution:
[0005] An automatic deburring device for automotive engine camshaft holes includes a worktable, a double-threaded rod, a screw motor, a worm gear, a grinding table, a lead screw table, and a cylinder head lead screw. The worktable has a movable groove inside, with a lead screw groove at the bottom. The lead screw groove is adapted to the lead screw and connects to it, allowing the lead screw to rotate within the groove. The front of the movable groove is fixedly connected to the lead screw motor, and the output shaft of the lead screw motor is fixedly connected to the lead screw. A positioning frame is located at the bottom of the front camshaft seat, and the positioning frame is fixedly connected to an internally threaded cylinder. The lead screw is located inside the internally threaded cylinder. The system features a threaded connection, a movable slot that adapts to the positioning frame, a movable slot that connects to the positioning frame, a positioning frame that slides on the upper part of the movable slot, a front cam seat that is fixedly connected to the front cam frame, a front rotating shaft that is rotatably connected inside the front cam frame, a rear cam seat on the upper part of the worktable, a front part of the rear cam seat that is fixedly connected to the rear cam frame, a rear cam frame that is rotatably connected to the rear rotating shaft, a rear part of the front rotating shaft and a front part of the rear rotating shaft that are both fixedly connected to the cam chuck, a double threaded rod that is rotatably connected inside the cam chuck, and a screw motor that is fixedly connected to the side of the cam chuck.
[0006] The output shaft of the screw motor is fixedly connected to the double threaded rod. The cam clamp slides in front of the cam chuck, and the two sets of cam clamps are in corresponding positions. The cam clamps are threadedly connected to the side of the double threaded rod. The rear cam seat is fixedly connected to the drive frame. The drive frame is adapted to the worm gear and is connected to the worm gear. The worm gear rotates inside the drive frame. The side of the drive frame has a worm shaft groove, and the worm is rotatably connected inside the worm shaft groove. The upper part of the drive frame is fixedly connected to the worm motor.
[0007] The output shaft of the worm motor is fixedly connected to the worm, the worm meshes with the worm wheel on the side, the front of the worm wheel is fixedly connected to the rear shaft, the front of the worktable is fixedly connected to the guide rail frame, the inside of the guide rail frame is fixedly connected to the guide rail, the front of the grinding table is fixedly connected to the guide rail slide, the guide rail and the guide rail slide are compatible, the guide rail connects to the guide rail slide, and the guide rail slide slides on the upper part of the guide rail. Beneficial effects
[0008] 1. In the use of the automatic deburring device for camshaft holes of automobile engines, after the cam is clamped and fixed by two sets of cam clamps, when it is necessary to grind the cam back shaft hole, the front cam frame and the rear cam frame are used to position the front and rear rotating shafts, and the worm motor on the upper part of the drive frame drives the worm wheel to rotate, so that the worm wheel drives the two sets of cam clamps inside the rear and front rotating shafts to rotate. Thus, the equipment can adjust the orientation of the cam according to the actual needs of camshaft hole grinding, without the need to fix the cam multiple times, thereby increasing the working efficiency of the equipment.
[0009] 2. In the operation of the automatic deburring device for the camshaft hole of the automobile engine of this utility model, the lead screw is driven to rotate by the lead screw motor at the front of the movable groove, so that the lead screw drives the positioning frame to move and cooperates with the movable groove to position the positioning frame. This allows the positioning frame to adjust the distance between the two sets of cam clamps on the upper part of the worktable according to the length of the cam, thereby increasing the adaptability of the equipment.
[0010] 3. In the operation of the automatic deburring device for the camshaft hole of the automobile engine of this utility model, the worm motor drives the worm inside the drive frame to rotate the worm wheel. Because the transmission principle of the worm and the worm wheel has a self-locking function, the device maintains the adjusted angle during the grinding process, thereby enhancing the stability of the device. Attached Figure Description
[0011] Figure 1 This is a schematic diagram of an automatic deburring device for automotive engine camshaft holes, as described in this utility model.
[0012] Figure 2 This is a partial cross-sectional schematic diagram of an automatic deburring device for automotive engine camshaft holes, as described in this utility model.
[0013] Figure 3 This is a partial cross-sectional schematic diagram of the movable groove structure of an automatic deburring device for automobile engine camshaft holes, as described in this utility model.
[0014] Figure 4 This is a three-dimensional assembly diagram of the rear cam support structure of an automatic deburring device for automotive engine camshaft holes, as described in this utility model.
[0015] Figure 5 This is a partial cross-sectional three-dimensional assembly schematic diagram of the drive frame structure of an automatic deburring device for automobile engine camshaft holes, as described in this utility model.
[0016] Figure 6 This is a three-dimensional assembly diagram of the cam chuck structure of an automatic deburring device for automotive engine camshaft holes, as described in this utility model.
[0017] Figure 7 This is a partial cross-sectional schematic diagram of the grinding table structure of an automatic deburring device for automobile engine camshaft holes, as described in this utility model.
[0018] Figure 8 This is a three-dimensional assembly diagram of the cylinder block structure of an automatic deburring device for automotive engine camshaft holes, as described in this utility model. Detailed Implementation
[0019] The present invention will be further described in detail below with reference to the accompanying drawings and embodiments:
[0020] Example 1:
[0021] An automatic deburring device for automotive engine camshaft holes includes a worktable 01, a double threaded rod 14, a screw motor 15, a worm gear 20, a grinding table with a lead screw 27, and a cylinder head with a lead screw 32. The worktable 01 has a movable groove 02 inside, and a lead screw groove 03 is located at the bottom of the movable groove 02. The lead screw groove 03 is adapted to a lead screw 04, and the lead screw 04 is connected to the lead screw groove 03, allowing the lead screw 04 to rotate within the groove 03. The front part of the movable groove 02 is fixedly connected to the lead screw motor 05, and the output shaft of the lead screw motor is fixedly connected to the lead screw 04. A positioning frame 07 is located at the bottom of the front cam seat 06, and the positioning frame 07 is fixedly connected to an internal threaded cylinder 08. The lead screw 04 is threadedly connected inside the internal threaded cylinder 08. The movable groove 02 is adapted to the positioning frame 07, and the positioning frame 07 slides on the upper part of the movable groove 02. This automatic deburring device for automotive engine camshaft holes... During use, the lead screw motor 05 at the front of the movable slot 02 drives the lead screw 04 to rotate, causing the lead screw 04 to move the positioning frame 07 and cooperate with the movable slot 02 to position the positioning frame 07. This allows the positioning frame 07 to adjust the spacing between the two sets of cam clamps 16 on the upper part of the worktable 01 according to the length of the cam, thereby increasing the adaptability of the equipment. The upper part of the front cam seat 06 is fixedly connected to the front cam frame 09, and the front rotating shaft 10 is rotatably connected inside the front cam frame 09. The upper part of the worktable 01 has a rear cam seat 22, the front part of the rear cam seat 22 is fixedly connected to the rear cam frame 11, and the rear cam frame 11 is rotatably connected to the rear rotating shaft 12. The rear part of the front rotating shaft 10 and the front part of the rear rotating shaft 12 are both fixedly connected to the cam chuck 13. The double threaded rod 14 is rotatably connected inside the cam chuck 13, and the side of the cam chuck 13 is fixedly connected to the screw motor 15.
[0022] Example 2:
[0023] The output shaft of the screw motor of this utility model is fixedly connected to the double threaded rod 14. The cam clamp 16 slides in front of the cam chuck 13. The two sets of cam clamps 16 are in corresponding positions and are threadedly connected to the side of the double threaded rod 14. The rear cam seat 22 is fixedly connected to the drive frame 17. The drive frame 17 is adapted to the worm gear 18 and is connected to the worm gear 18. The worm gear 18 rotates inside the drive frame 17. The drive frame 17 has a worm shaft groove 19 on its side. After the cam is clamped and fixed by the two sets of cam clamps 16, if it is necessary to grind the shaft hole on the back of the cam, it can be done through the front... The end cam holder 09 and the rear cam holder 11 position the front end rotating shaft 10 and the rear end rotating shaft 12, and cooperate with the worm motor 21 on the upper part of the drive frame 17 to drive the worm wheel 18 to rotate. The worm wheel 18 drives the two sets of cam chucks 13 inside the rear end rotating shaft 12 and the front end rotating shaft 10 to rotate. This allows the equipment to adjust the orientation of the cam according to the actual needs of cam shaft hole grinding without having to fix the cam multiple times, thereby increasing the working efficiency of the equipment. The worm 20 is rotatably connected inside the worm shaft groove 19, and the upper part of the drive frame 17 is fixedly connected to the worm motor 21.
[0024] Example 3:
[0025] The worm motor output shaft of this utility model is fixedly connected to the worm 20. The worm 20 meshes with the side of the worm wheel 18. The front part of the worm wheel 18 is fixedly connected to the rear rotating shaft 12. During the use of the automatic deburring device for the camshaft hole of the automobile engine, the worm motor 21 drives the worm 20 inside the drive frame 17 to drive the worm wheel 18 to rotate. Because the transmission principle of the worm 20 and the worm wheel 18 has a self-locking function, the equipment maintains the adjusted angle during the grinding process, thereby enhancing the stability of the equipment. The front part of the worktable 01 is fixedly connected to the guide rail frame 23. The inside of the guide rail frame 23 is fixedly connected to the guide rail 24. The front part of the grinding table 25 is fixedly connected to the guide rail slide 26. The guide rail 24 and the guide rail slide 26 are adapted to each other. The guide rail 24 connects to the guide rail slide 26, and the guide rail slide 26 slides on the upper part of the guide rail 24.
[0026] Example 4:
[0027] The rear of the worktable 01 of this utility model is fixedly connected to the grinding table lead screw platform 27. The grinding table lead screw 28 is rotatably connected inside the grinding table lead screw platform 27. The rear of the grinding table lead screw platform 27 is fixedly connected to the grinding table motor 29. The output shaft of the grinding table motor is fixedly connected to the grinding table lead screw 28. The rear of the grinding table 25 is fixedly connected to the grinding table threaded bracket 30. The grinding table threaded bracket 30 is threadedly connected to the upper part of the grinding table lead screw 28. The rear of the grinding table 25 slides on the upper part of the grinding table lead screw platform 27. The upper part of the grinding table 25 has a crossbeam 31.
[0028] Example 5:
[0029] The cylinder head screw 32 of this utility model is rotatably connected inside the crossbeam 31. The upper part of the grinding table 25 is fixedly connected to the cylinder head motor 33. The output shaft of the cylinder head motor is fixedly connected to the cylinder head screw 32. The cylinder head 34 slides inside the crossbeam 31. The cylinder head screw 32 is threadedly connected to the upper part of the cylinder head 34. The lower part of the cylinder head 34 is fixedly connected to the cylinder 35. The lower part of the cylinder 35 is fixedly connected to the grinding motor 36. The output shaft of the grinding motor is fixedly connected to the grinding disc 37.
[0030] Example 6:
[0031] The installation steps of this utility model are as follows: Rotate the lead screw 04 inside the lead screw groove 03; fix the front part of the movable groove 02 to the lead screw motor 05; fix the output shaft of the lead screw motor to the lead screw 04; fix the inside of the positioning frame 07 to the internal threaded cylinder 08; thread the lead screw 04 inside the internal threaded cylinder 08; slide the positioning frame 07 on the upper part of the movable groove 02; fix the upper part of the front cam seat 06 to the front cam frame 09; rotatably connect the front rotating shaft 10 inside the front cam frame 09; fix the front part of the rear cam seat 22 to the rear cam frame 11; rotatably connect the inside of the rear cam frame 11 to the rear rotating shaft 12; and then... The front of both the rear and rear shafts 12 are fixedly connected to the cam chuck 13. The double-threaded rod 14 is rotatably connected inside the cam chuck 13. The side of the cam chuck 13 is fixedly connected to the screw motor 15. The output shaft of the screw motor is fixedly connected to the double-threaded rod 14. The cam clamp 16 slides on the front of the cam chuck 13, aligning the two sets of cam clamps 16. The cam clamp 16 is threadedly connected to the side of the double-threaded rod 14. The rear of the rear cam seat 22 is fixedly connected to the drive frame 17. The worm gear 18 rotates inside the drive frame 17. The worm 20 is rotatably connected inside the worm shaft groove 19. The upper part of the drive frame 17 is fixedly connected to the worm motor 21. The machine output shaft is fixedly connected to the worm gear 20, which meshes with the side of the worm wheel 18. The front part of the worm wheel 18 is fixedly connected to the rear rotating shaft 12. The front part of the worktable 01 is fixedly connected to the guide rail frame 23, and the inside of the guide rail frame 23 is fixedly connected to the guide rail 24. The front part of the grinding table 25 is fixedly connected to the guide rail slide 26, and the guide rail slide 26 slides on the upper part of the guide rail 24. The rear part of the worktable 01 is fixedly connected to the grinding table lead screw platform 27, and the grinding table lead screw 28 is rotatably connected inside the grinding table lead screw platform 27. The rear part of the grinding table lead screw platform 27 is fixedly connected to the grinding table motor 29, and the output shaft of the grinding table motor is fixedly connected to the grinding table lead screw 28. The grinding table 25 is then... 5. The rear part is fixedly connected to the grinding table threaded bracket 30. The grinding table threaded bracket 30 is threadedly connected to the upper part of the grinding table lead screw 28. The rear part of the grinding table 25 slides on the upper part of the grinding table lead screw platform 27. The cylinder platform lead screw 32 is rotatably connected inside the crossbeam 31. The upper part of the grinding table 25 is fixedly connected to the cylinder platform motor 33. The output shaft of the cylinder platform motor is fixedly connected to the cylinder platform lead screw 32. The cylinder platform 34 slides inside the crossbeam 31. The cylinder platform lead screw 32 is threadedly connected to the upper part of the cylinder platform 34. The lower part of the cylinder platform 34 is fixedly connected to the cylinder 35. The lower part of the cylinder 35 is fixedly connected to the grinding motor 36. The output shaft of the grinding motor is fixedly connected to the grinding disc 37.
[0032] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. It should be noted that for those skilled in the art, several improvements and modifications can be made without departing from the technical principles of the present utility model, and these improvements and modifications should also be considered within the protection scope of the present utility model.
Claims
1. An automatic burr removing device for the camshaft hole of an automobile engine, characterized in that :Including workbench (01), double thread rod (14), screw motor (15), worm (20), polishing table screw rod table (27), cylinder table screw (32), the workbench (01) has a movable groove (02) inside, the movable groove (02) lower part has a screw groove (03), the screw groove (03) is adapted to the screw rod (04), the screw groove (03) is connected with the screw rod (04), the screw rod (04) rotates inside the screw groove (03), the movable groove (02) front part is fixedly connected with the screw motor (05), the screw motor output shaft is fixedly connected with the screw rod (04), the front end cam seat (06) lower part has a positioning frame (07), the positioning frame (07) inside is fixedly connected with the internal thread cylinder (08), the screw rod (04) is threadedly connected inside the internal thread cylinder (08), the movable groove (02) is adapted to the positioning frame (07), the movable groove (02) is connected with the positioning frame (07), the positioning frame (07) slides on the movable groove (02) upper part, the front end cam seat (06) upper part is fixedly connected with the front end cam frame (09), the front end rotating shaft (10) is rotatably connected inside the front end cam frame (09), the workbench (01) upper part has a rear end cam seat (22), the rear end cam seat (22) front part is fixedly connected with the rear end cam frame (11), the rear end cam frame (11) inside is rotatably connected with the rear end rotating shaft (12), the front end rotating shaft (10) rear part and the rear end rotating shaft (12) front part are fixedly connected with the cam chuck (13), the double thread rod (14) is rotatably connected inside the cam chuck (13), the cam chuck (13) side is fixedly connected with the screw motor (15).
2. An automatic burr removing device for the hole of the camshaft of the engine of the automobile according to claim 1, characterized in that :The screw motor output shaft is fixedly connected with the double thread rod (14), the cam clamp (16) slides in the front part of the cam chuck (13), two groups of cam clamps (16) are corresponding in position, the cam clamp (16) is threadedly connected on the side of the double thread rod (14), the rear end cam seat (22) rear part is fixedly connected with the driving frame (17), the driving frame (17) is adapted to the worm wheel (18), the driving frame (17) is connected with the worm wheel (18), the worm wheel (18) rotates inside the driving frame (17), the driving frame (17) side has a worm shaft slot (19), the worm (20) is rotatably connected inside the worm shaft slot (19), the driving frame (17) upper part is fixedly connected with the worm motor (21).
3. An automatic burr removing device for the hole of the camshaft of the engine of the automobile according to claim 2, characterized in that :The worm motor output shaft is fixedly connected with the worm (20), the worm (20) is engaged on the side of the worm wheel (18), the worm wheel (18) front part is fixedly connected with the rear end rotating shaft (12), the workbench (01) front part is fixedly connected with the guide rail frame (23), the guide rail frame (23) inside is fixedly connected with the guide rail (24), the polishing table (25) front part is fixedly connected with the guide rail slide (26), the guide rail (24) is adapted to the guide rail slide (26), the guide rail (24) is connected with the guide rail slide (26), the guide rail slide (26) slides on the guide rail (24) upper part.
4. An automatic burr removing device for the hole of the camshaft of the engine of the automobile according to claim 3, characterized in that The workbench (01) rear and polishing table screw rod table (27) fixedly connected, polishing table screw rod (28) in polishing table screw rod table (27) inside rotationally connected, polishing table screw rod table (27) rear and polishing table motor (29) fixedly connected, polishing table motor output shaft and polishing table screw rod (28) fixedly connected, polishing table (25) rear and polishing table threaded frame (30) fixedly connected, polishing table threaded frame (30) is screwed on the upper portion of polishing table screw rod (28), polishing table (25) rear slides on the upper portion of polishing table screw rod table (27), and the upper portion of polishing table (25) is provided with a cross beam (31).
5. An automatic burr removing device for the hole of the camshaft of the engine of the automobile according to claim 1, characterized in that The cylinder table screw rod (32) is rotationally connected inside the cross beam (31), the upper portion of polishing table (25) is fixedly connected with the cylinder table motor (33), the output shaft of the cylinder table motor is fixedly connected with the cylinder table screw rod (32), the cylinder table (34) slides inside the cross beam (31), the cylinder table screw rod (32) is screwed on the upper portion of the cylinder table (34), the lower portion of the cylinder table (34) is fixedly connected with the cylinder (35), the lower portion of the cylinder (35) is fixedly connected with the polishing motor (36), and the output shaft of the polishing motor is fixedly connected with the polishing disc (37).
Citation Information
Patent Citations
Automobile engine camshaft deburring machine
CN212191575U