A polishing device for excavator bucket tooth production

Abstract

The utility model relates to polishing device technical field, and disclose a kind of polishing device for excavator bucket tooth production, and realize synchronous drive starting motor by setting click, gear, gear ring, tooth, bevel gear and so on structure, the output shaft of motor is rotated by coupling drive gear, gear rotation drives gear ring to rotate together, gear ring is engaged with multiple bevel gears due to ring groove, gear ring rotates and synchronously drives multiple bevel gears to rotate synchronously by ring groove, when stud rotates, moving frame can only be located in the sliding of limiting groove inside due to the restriction of limiting groove, the position of moving frame in limiting groove inside is adjusted by the forward rotation and reverse rotation of motor output shaft, moving frame slides and drives bucket tooth synchronous movement by clamping frame, and the effect of synchronous movement is achieved.

Description

Technical Field

[0001] This utility model relates to the field of grinding device technology, and in particular to a grinding device for producing excavator bucket teeth. Background Technology

[0002] Excavator bucket teeth are crucial components of excavators, similar to human teeth. They are also wear parts, consisting of a tooth base and tooth tips connected by a pin. Since the wear and failure of the bucket teeth occurs only at the tooth tips, replacing the tips is sufficient. Due to the casting process used in the production of excavator bucket teeth, burrs and other imperfections may exist on their surface. These require polishing to smooth the surface and refine the curvature of the teeth.

[0003] In the prior art, according to the utility model patent publication number CN221640538U, a high-efficiency grinding device for excavator bucket tooth workpiece production belongs to the field of excavator production technology. It includes an equipment platform and a grinding wheel, with the grinding wheel positioned directly above the equipment platform. An adjustment assembly is located on the outer wall of the equipment platform. The adjustment assembly includes a moving frame, a pressing cylinder, a main clamping frame, a secondary clamping frame, a pressing plate, bolts, and a drive assembly. A limiting groove is formed on the outer wall of the equipment platform. The moving frame is slidably embedded in the inner wall of the limiting groove. The main clamping frame is rotatably embedded at the top of the outer wall of the moving frame, and the secondary clamping frame is slidably embedded in the groove on the inner wall of the main clamping frame. Using the adjustment assembly, bucket teeth can be quickly installed and disassembled, and bucket teeth of different sizes can be positioned and fixed. During the subsequent grinding process, the grinding surface of the bucket teeth can be adjusted, improving grinding efficiency while allowing for fine adjustment of the grinding angle to avoid grinding dead angles and the resulting side burrs.

[0004] In the above-mentioned technologies, each moving frame requires a separate motor for driving and feeding, which is more expensive than traditional devices. Furthermore, since it is used in the production process, it is often used for batch production and batch grinding. To control multiple motors to work synchronously, external sensors and other equipment are required, which is not efficient. In addition, when fixing the bucket teeth, they need to be manually fixed to the clamping frame and bolted, which is not efficient. Utility Model Content

[0005] To address the shortcomings of existing technologies, this utility model provides a grinding device for excavator bucket tooth production, which has the advantages of synchronous feeding and quick clamping and fixing, thus solving the problems mentioned in the background technology.

[0006] This utility model provides the following technical solution: a grinding device for excavator bucket tooth production, including a machine platform, the surface of which is uniformly provided with a circular limiting groove, a pad fixedly installed at the bottom of the machine platform, a motor fixedly installed on the top surface of the pad, the output shaft end of the motor being connected to a gear via a coupling, a locking post uniformly provided at the bottom of the machine platform in a circular shape, a gear ring provided at the lower center of the machine platform, a stud rotatably installed inside the limiting groove, a bevel gear located at the end of the stud inside the machine platform, a movable frame slidably installed inside the limiting groove, and a clamping device fixedly installed at the lower end of the movable frame.

[0007] With the above structural setup, the gear ring and stud work together to enable the gear ring to drive multiple movable frames to slide inside the limiting groove. The clamping device works together with the movable frames to achieve pneumatic clamping of the bucket teeth.

[0008] Preferably, the toothed ring meshes with the gear, the bottom of the toothed ring has an annular groove, the annular groove is slidably sleeved on the outer ring of the end of the retainer, and the upper surface of the toothed ring is uniformly provided with teeth in an annular shape, the teeth meshing with the bevel gear.

[0009] With the above structural design, the gear ring drives the bevel gear to rotate by meshing with the bevel gear through its teeth. Since the teeth mesh with multiple bevel gears at the same time, a synchronous driving effect can be achieved.

[0010] Preferably, the movable frame is threaded onto the outer ring of the stud, the threads of the movable frame and the stud are compatible, and a clamping frame is fixedly installed above the end of the movable frame, the clamping frame having a sliding groove inside.

[0011] With the above-mentioned structural setup, the bucket teeth are placed on the bottom wall of the clamping frame, so that the pin holes of the bucket teeth are flush with the slide groove. Then, through the operation of the clamping device, the sliding sleeve passes through the pin holes and enters the interior of the slide groove, thereby fixing and clamping the position of the bucket teeth.

[0012] Preferably, the clamping device includes a double-acting cylinder and a piston rod. The double-acting cylinder is fixedly installed below the end of the movable frame. The piston rod is slidably installed inside the double-acting cylinder, dividing the interior of the double-acting cylinder into a rodless chamber and a rod chamber. An air groove A is formed from the interior of the rodless chamber to the outside of the double-acting cylinder. An air groove B is formed from the interior of the rod chamber to the outside of the double-acting cylinder. An air groove C is formed from the interior of the piston rod to the interior of the rod chamber. The interior of the piston rod is connected to the interior of the rod chamber through the air groove C.

[0013] With the above structural setup, by supplying air into air groove A and air groove B, the position of the piston rod inside the double-acting cylinder can be adjusted. When air is supplied into air groove A, the piston rod slides upward while the gas inside the rod chamber is discharged through air groove B.

[0014] Preferably, a sliding cylinder is fixedly connected to the top of the piston rod, the piston rod is connected to the inside of the sliding cylinder, and sliding sleeves are slidably sleeved at both ends of the sliding cylinder, with the outer ring of the sliding sleeve and the inner ring of the sliding groove being adapted in size and shape.

[0015] With the above structural setup, air is supplied to the rod chamber through air groove B. The gas inside the rod chamber enters the slide cylinder through air groove C. The gas inside the slide cylinder generates a thrust on the sliding sleeve, causing the sliding sleeve to slide on the outer ring of the slide cylinder. When the sliding sleeve passes through the pin hole of the bucket tooth and enters the slide groove, the position of the bucket tooth is restricted.

[0016] This utility model has the following advantages:

[0017] 1. This grinding device for excavator bucket teeth production uses a structure including a motor, gears, gear rings, teeth, and bevel gears to synchronously drive the start-up motor. The motor's output shaft drives the gears to rotate via a coupling. When the gears rotate, they drive the gear rings to rotate as well. Because the gear ring grooves mesh with multiple bevel gears, the rotation of the gear ring synchronously drives the multiple bevel gears to rotate synchronously. When the stud rotates, the moving frame can only slide inside the limiting groove due to the restriction of the limiting groove. The position of the moving frame inside the limiting groove is adjusted by the forward and reverse rotation of the motor output shaft. When the moving frame slides, it drives the bucket teeth to move synchronously through the clamping frame, achieving the effect of synchronous movement.

[0018] 2. The grinding device for excavator bucket teeth production uses a clamping frame, sliding groove, sliding cylinder, and sliding sleeve to clamp and fix the position of the bucket teeth. Air is supplied to the rod chamber through air groove B. The gas inside the rod chamber enters the sliding cylinder through air groove C. The gas inside the sliding cylinder exerts a thrust on the sliding sleeve, causing the sliding sleeve to slide on the outer ring of the sliding cylinder. When the sliding sleeve passes through the pin hole of the bucket tooth and enters the sliding groove, the position of the bucket tooth is restricted. Then, gas is supplied to the rod chamber, and the gas pressure in the rodless chamber is released through air groove A, causing the piston rod to drive the sliding cylinder and sliding sleeve to descend. The lower surface of the bucket tooth is pressed tightly against the bottom wall of the clamping frame by the sliding sleeve. The combination of the clamping frame and the sliding sleeve achieves the effect of fixing and clamping the position of the bucket teeth. Attached Figure Description

[0019] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0020] Figure 2 This is a schematic diagram of the internal structure of the equipment platform of this utility model;

[0021] Figure 3 This is a schematic diagram of the internal structure of the equipment platform of this utility model from another perspective;

[0022] Figure 4 This is a schematic diagram of the internal structure of the clamping device of this utility model;

[0023] Figure 5 This is a schematic diagram of the working structure of the clamping device of this utility model.

[0024] In the diagram: 1. Equipment platform; 11. Limiting groove; 12. Pad; 13. Clamping post; 2. Motor; 21. Gear; 3. Gear ring; 31. Ring groove; 32. Tooth; 4. Stud; 41. Bevel gear; 5. Moving frame; 51. Clamping frame; 52. Slide groove; 6. Clamping device; 61. Double-acting cylinder; 62. Piston rod; 63. Rodless chamber; 64. Rod chamber; 65. Air groove A; 66. Air groove B; 67. Air groove C; 68. Slide cylinder; 69. Slide sleeve. Detailed Implementation

[0025] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0026] Please see Figures 1-3 A grinding device for producing excavator bucket teeth includes a platform 1. The surface of the platform 1 is evenly provided with a limiting groove 11 in a circular shape. A pad 12 is fixedly installed at the bottom of the platform 1. A motor 2 is fixedly installed on the top surface of the pad 12. The output shaft end of the motor 2 is connected to a gear 21 through a coupling. The bottom of the platform 1 is evenly provided with locking pins 13 in a circular shape. A gear ring 3 is provided at the lower center of the platform 1. A stud 4 is rotatably installed inside the limiting groove 11. The end of the stud 4 is provided with a bevel gear 41 inside the platform 1. A movable frame 5 is slidably installed inside the limiting groove 11. A clamping device 6 is fixedly installed at the lower end of the movable frame 5.

[0027] In practical applications, this device achieves synchronous drive by setting up the interaction between motor 2, gear ring 3, and stud 4. After motor 2 is started, the output shaft of motor 2 drives gear 21 to rotate through the coupling. Since motor 2 and gear ring 3 are meshed, when gear 21 rotates, it drives the outer ring of gear ring 3 located at the end of the locking post 13 to rotate. When gear ring 3 rotates, it meshes with bevel gear 41 through ring groove 31, synchronously driving multiple bevel gear 41 to rotate. Since stud 4 and moving frame 5 are threaded together, when stud 4 rotates, it drives moving frame 5 to slide inside the limiting groove 11. Through the synchronous drive of bevel gear 41 by ring groove 31, gear ring 3 drives multiple moving frames 5 to slide inside the limiting groove 11.

[0028] By setting up the clamping device 6 and the moving frame 5 to cooperate with each other, the pneumatic clamping of the bucket teeth is achieved. First, the bucket teeth are placed inside the clamping frame 51, so that the direction of the pin hole is aligned with the direction of the slide groove 52. Then, air is supplied to the rodless chamber 63 through the air groove A65, which pushes the piston rod 62 to move the slide cylinder 68 and the sliding sleeve 69 upward. At the same time, the gas inside the rod chamber 64 is discharged through the air groove B66. When the sliding sleeve 69 moves to the position corresponding to the pin hole of the bucket teeth, the air supply to the air groove A65 is stopped, so that the air pressure inside the rod chamber 64 is maintained. Then, air is supplied to the rod chamber 64 through the air groove B66. Since the rodless chamber 63 is pressurized, the gas will first enter the slide cylinder 68 through the air groove C67. The gas inside the slide cylinder 68 accumulates and pushes the slide sleeve 69, causing the slide sleeve 69 to move towards the slide groove 52 from the outer ring of the slide cylinder 68. When the slide sleeve 69 passes through the pin hole and enters the slide groove 52, the gas supply to the gas groove B66 continues. When the rod chamber 64 is full of gas, part of the gas pressure inside the rodless chamber 63 is released through the gas groove A65, causing the gas inside the rod chamber 64 to compress the piston rod 62. This causes the slide cylinder 68 and the slide sleeve 69 to drive the bucket teeth to press down, so that the lower surface of the bucket teeth is tightly attached to the inner wall of the clamping frame 51. Then, the gas supply to the gas groove B66 and the pressure release of the gas groove A65 are simultaneously disconnected, so that the pressure inside the rodless chamber 63 and the rod chamber 64 is maintained, achieving the effect of clamping and fixing the bucket teeth.

[0029] Please see Figures 1-3 The toothed ring 3 meshes with the gear 21. The bottom of the toothed ring 3 has an annular groove 31, which is slidably sleeved on the outer ring of the end of the retainer 13. The upper surface of the toothed ring 3 is uniformly provided with teeth 32 in a circular shape, which mesh with the bevel gear 41.

[0030] The gear ring 3 is a combination of spur gear and bevel gear. The gear ring 3, through its engagement with the tooth 32, achieves the effect of a bevel gear. The gear ring 3 meshes with the gear 21 through the spur gear teeth on its outer surface and with the bevel gear teeth on its upper surface. Through the combination of the spur gear and the bevel gear, the gear ring 3 transmits the power from the gear 21 to the bevel gear 41. Through the rotation of the gear ring 3, the tooth 32 can simultaneously drive multiple bevel gears 41, thus achieving a good meshing effect.

[0031] When the gear 21 rotates, it drives the gear ring 3 to rotate on the outer ring of the end of the locking post 13. The gear ring 3 drives the bevel gear 41 to rotate through the meshing of the teeth 32. Since the teeth 32 mesh with multiple bevel gears 41 at the same time, the synchronous driving effect can be achieved. The rotation of the stud 4 causes the moving frame 5 to slide at a constant speed inside the limiting groove 11.

[0032] Please see Figures 1-4 The movable frame 5 is threaded onto the outer ring of the stud 4. The threads of the movable frame 5 and the stud 4 are compatible. A clamping frame 51 is fixedly installed on the upper end of the movable frame 5. A sliding groove 52 is provided inside the clamping frame 51.

[0033] The movable frame 5 clamps and fixes the bucket teeth through the cooperation between the clamping frame 51 and the clamping device 6. The bucket teeth are placed on the bottom wall of the clamping frame 51 so that the pin hole of the bucket teeth is flush with the slide groove 52. Then, through the operation of the clamping device 6, the sliding sleeve 69 passes through the pin hole and enters the interior of the slide groove 52, thereby fixing and clamping the position of the bucket teeth.

[0034] Please see Figures 1-4 The clamping device 6 includes a double-acting cylinder 61 and a piston rod 62. The double-acting cylinder 61 is fixedly installed below the end of the movable frame 5. The piston rod 62 is slidably installed inside the double-acting cylinder 61. The piston rod 62 divides the inside of the double-acting cylinder 61 into a rodless chamber 63 and a rod chamber 64. An air groove A65 is opened from the inside of the rodless chamber 63 to the outside of the double-acting cylinder 61. An air groove B66 is opened from the inside of the rod chamber 64 to the outside of the double-acting cylinder 61. An air groove C67 is opened from the inside of the piston rod 62 to the inside of the rod chamber 64. The inside of the piston rod 62 is connected to the inside of the rod chamber 64 through the air groove C67.

[0035] The overall device of the double-acting cylinder 61 is a double-acting cylinder in the prior art. In this application, it is a conventional application of the prior art. By supplying air into the air groove A65 and the air groove B66, the position of the piston rod 62 inside the double-acting cylinder 61 is adjusted. When air is supplied into the air groove A65, the piston rod 62 slides upward while the gas inside the rod chamber 64 is discharged through the air groove B66. Conversely, the piston rod 62 slides downward.

[0036] Please see Figures 1-4The piston rod 62 is fixedly connected to the top of the slide cylinder 68. The piston rod 62 is connected to the inside of the slide cylinder 68. Both ends of the slide cylinder 68 are slidably sleeved with slide sleeves 69. The outer ring of the slide sleeve 69 and the inner ring of the slide groove 52 are matched in size and shape.

[0037] Air is supplied to the rod chamber 64 through the air groove B66. Due to the pressure holding or residual air pressure inside the rodless chamber 63, the gas inside the rod chamber 64 enters the slide cylinder 68 through the air groove C67. The gas inside the slide cylinder 68 exerts a thrust on the sliding sleeve 69, causing the sliding sleeve 69 to slide on the outer ring of the slide cylinder 68. When the sliding sleeve 69 passes through the pin hole of the bucket tooth and enters the slide groove 52, the position of the bucket tooth is restricted. Then, gas is supplied to the rod chamber 64, and the gas pressure in the rodless chamber 63 is released through the air groove A65, causing the piston rod 62 to drive the slide cylinder 68 and the sliding sleeve 69 to descend. The lower surface of the bucket tooth is pressed tightly against the bottom wall of the clamping frame 51 by the sliding sleeve 69. Through the combination of the clamping frame 51 and the sliding sleeve 69, the position of the bucket tooth is fixed and clamped.

[0038] Working principle: In use, first, place the bucket teeth evenly on the bottom wall of the clamping frame 51, and adjust the pin holes of the bucket teeth to align with the direction of the slide groove 52. First, supply air to the rodless chamber 63 through the air groove A65, pushing the piston rod 62 to move the slide cylinder 68 and the sliding sleeve 69 upward. At the same time, the gas inside the rod chamber 64 is discharged through the air groove B66. When the position of the sliding sleeve 69 corresponds to the pin hole of the bucket teeth, stop supplying air to the air groove A65 to maintain air pressure inside the rod chamber 64. Then, supply air to the rod chamber 64 through the air groove B66. Since the rodless chamber 63 is pressurized, the gas will first enter the slide cylinder 68 through the air groove C67. The gas inside the slide cylinder 68 exerts a thrust on the slide sleeve 69, causing the slide sleeve 69 to move towards the slide groove 52 from the outer ring of the slide cylinder 68. After the slide sleeve 69 passes through the pin hole and enters the slide groove 52, it continues to supply gas to the gas groove B66. Part of the gas pressure inside the rodless chamber 63 is released through the gas groove A65, causing the gas inside the rod chamber 64 to compress the piston rod 62. This causes the slide cylinder 68 and the slide sleeve 69 to drive the bucket teeth to press down, so that the lower surface of the bucket teeth is tightly attached to the inner wall of the clamping frame 51. Then, the gas supply to the gas groove B66 and the pressure release of the gas groove A65 are simultaneously disconnected, so that the pressure inside the rodless chamber 63 and the rod chamber 64 is maintained, achieving the effect of clamping and fixing the bucket teeth.

[0039] Subsequently, by starting motor 2, the output shaft of motor 2 drives gear 21 to rotate through coupling. When gear 21 rotates, it drives gear ring 3 to rotate together. Since gear ring 3 meshes with multiple bevel gears 41 through ring groove 31, gear ring 3 drives multiple bevel gears 41 to rotate synchronously through ring groove 31. When stud 4 rotates, moving frame 5 can only slide inside the limiting groove 11 due to the restriction of limiting groove 11. The position of moving frame 5 inside the limiting groove 11 is adjusted by the forward and reverse rotation of the output shaft of motor 2. When moving frame 5 slides, it drives bucket teeth to move synchronously through clamping frame 51, realizing the effect of a single motor 2 driving multiple moving frames 5 to move synchronously.

Claims

1. A grinding device for producing excavator bucket teeth, comprising a machine platform (1), characterized in that: The surface of the equipment platform (1) is uniformly provided with a circular groove (11). A pad (12) is fixedly installed at the bottom of the equipment platform (1). A motor (2) is fixedly installed on the top surface of the pad (12). The output shaft end of the motor (2) is connected to a gear (21) through a coupling. A locking post (13) is uniformly provided in a circular shape at the bottom of the equipment platform (1). A toothed ring (3) is provided below the middle part of the equipment platform (1). A stud (4) is rotatably installed inside the groove (11). A bevel gear (41) is provided at the end of the stud (4) inside the equipment platform (1). A movable frame (5) is slidably installed inside the groove (11). A clamping device (6) is fixedly installed below the end of the movable frame (5).

2. The grinding device for excavator bucket tooth production according to claim 1, characterized in that: The toothed ring (3) meshes with the gear (21). The bottom of the toothed ring (3) is provided with an annular groove (31). The annular groove (31) is slidably sleeved on the outer ring of the end of the pin (13). The upper surface of the toothed ring (3) is provided with teeth (32) in a circular shape. The teeth (32) mesh with the bevel gear (41).

3. A grinding device for excavator bucket tooth production according to claim 2, characterized in that: The movable frame (5) is threaded onto the outer ring of the stud (4), and the threads of the movable frame (5) and the stud (4) are compatible. A clamping frame (51) is fixedly installed above the end of the movable frame (5), and a sliding groove (52) is provided inside the clamping frame (51).

4. A grinding device for excavator bucket tooth production according to claim 3, characterized in that: The clamping device (6) includes a double-acting cylinder (61) and a piston rod (62). The double-acting cylinder (61) is fixedly installed below the end of the movable frame (5). The piston rod (62) is slidably installed inside the double-acting cylinder (61). The piston rod (62) divides the inside of the double-acting cylinder (61) into a rodless chamber (63) and a rod chamber (64). An air groove A (65) is opened from the inside of the rodless chamber (63) to the outside of the double-acting cylinder (61). An air groove B (66) is opened from the inside of the rod chamber (64) to the outside of the double-acting cylinder (61). An air groove C (67) is opened from the inside of the piston rod (62) to the inside of the rod chamber (64). The inside of the piston rod (62) is connected to the inside of the rod chamber (64) through the air groove C (67).

5. A grinding device for excavator bucket tooth production according to claim 4, characterized in that: The piston rod (62) is fixedly connected to the top of the slide cylinder (68), and the piston rod (62) is connected to the inside of the slide cylinder (68). Both ends of the slide cylinder (68) are slidably sleeved with slide sleeves (69), and the outer ring of the slide sleeve (69) is matched with the inner ring of the slide groove (52) in terms of size and shape.

Images