Bamboo board double-face synchronous accurate grinding device

Abstract

The invention relates to the technology of bamboo product processing equipment, in particular to a bamboo board double-face synchronous accurate grinding device which comprises conveying rollers, a machine shell and the like, the conveying rollers used for conveying bamboo boards are arranged at inlets and outlets in the left side and the right side of the machine shell correspondingly, a center base is installed in the machine shell, and the upper end and the lower end of the center base are slidably connected with movable frames correspondingly; the two sides of the center base are each provided with an electric cylinder, and telescopic shafts of the two electric cylinders are rotationally connected with the upper movable frame and the lower movable frame respectively. The grinding wheels which are vertically symmetrical are arranged in the machine shell, high-speed rotating grinding is achieved, the grinding effect and efficiency are guaranteed, meanwhile, the rotating speed difference of the grinding wheels at the inlet end and the outlet end is designed, and under the combined action of the grinding wheels, the grinding wheels can be kept in the high-speed rotating grinding state, and the moving speed of the bamboo board can be effectively controlled; and insufficient grinding caused by too fast movement of the bamboo board is avoided, and synchronous accurate grinding of the two faces of the bamboo board is achieved.

Description

Technical Field

[0001] The invention relates to bamboo product processing equipment technology, in particular to a double-sided synchronous fine grinding device for bamboo boards. Background Art

[0002] In the processing of bamboo products, polishing of bamboo boards is a key process. Its purpose is to remove burrs and defects on the surface of bamboo boards and make the surface of bamboo boards smooth and flat for subsequent processing.

[0003] Currently, most bamboo board grinding devices on the market can only grind a single side of a bamboo board. To grind both sides of a bamboo board, two operations are required. This is not only time-consuming and labor-intensive, but also has low grinding efficiency. Furthermore, it is difficult to ensure the parallelism and consistency of the two sides of the bamboo board during the two grinding operations, which affects the processing quality of the bamboo board. Furthermore, during the grinding process, the bamboo board is prone to deviation, resulting in uneven grinding, which further reduces the product qualification rate. Furthermore, the grinding process generates a large amount of bamboo chips and dust, which not only pollutes the working environment and endangers the health of the operator, but is also very inconvenient to clean. Therefore, there is an urgent need for a bamboo board double-sided synchronous fine grinding device that can achieve double-sided synchronous fine grinding of bamboo boards, improve grinding efficiency and precision, and facilitate the collection of grinding dust. Summary of the Invention

[0004] In order to overcome the shortcomings of existing bamboo board grinding devices, such as the inability to grind both sides synchronously, low grinding efficiency, easy deviation of bamboo boards, and difficulty in dust collection, the purpose of the present invention is to provide a bamboo board double-sided synchronous fine grinding device.

[0005] The technical solution is: a double-sided synchronous fine grinding device for bamboo boards, including a conveying roller, a casing, a center seat, an electric cylinder, a movable frame, a mounting frame, a first motor, a grinding wheel, a mounting plate and a limiting structure. Conveying rollers for conveying bamboo boards are provided at the inlets and outlets on the left and right sides of the casing. A center seat is installed inside the casing. The upper and lower ends of the center seat are slidably connected to the movable frame. An electric cylinder is installed on both sides of the center seat. The telescopic shafts of the two electric cylinders are fixedly connected to the two movable frames respectively. The movable frames are fixedly connected with mounting frames. The first motor is installed on both sides of the mounting frame. The grinding wheel is fixedly connected to the output shaft of the first motor. The grinding wheels of the upper and lower movable frames are symmetrical with each other. The center seat is fixedly connected to the mounting plate near the inlet end of the casing, and the limiting structure is installed on the mounting plate.

[0006] As a further preferred solution, it further includes an inclined block and an ash collecting box. The bottom end of the housing is fixedly connected to two mutually symmetrical inclined blocks, and the ash collecting box is slidably connected between the two inclined blocks.

[0007] As a further preferred solution, a window is also included, and a transparent window is opened on the front side of the casing.

[0008] As a further preferred solution, a controller is further included. The controller is installed on the front of the casing and is electrically connected to the first motor, the second motor, the third motor and the electric cylinder.

[0009] As a further preferred solution, it also includes a roller. A through-hole is opened in the center of the center seat. A roller is rotatably connected in the through-hole of the center seat. The height of the roller is consistent with the conveying roller. The roller is used to support the bamboo board when it transitions from the grinding wheel at the inlet end through the through-hole to the grinding wheel at the outlet end.

[0010] As a further preferred solution, the limiting structure includes a clamping seat, a movable clamp, a third motor and a limiting wheel. The clamping seat is installed on the mounting plate, and the movable clamp is slidably connected on both sides of the clamping seat. The third motor is installed on the movable clamp, and the limiting wheel is fixedly connected to the output shaft of the third motor.

[0011] As a further preferred solution, the limiting structure also includes a second motor and a double-axis screw. The second motor is installed on the top of the clamping seat. The double-axis screw is fixedly connected to the output shaft of the second motor. The two ends of the double-axis screw are respectively connected to the movable clamp threads on both sides.

[0012] As a further preferred solution, a plurality of mounting holes are provided on the mounting plate, and the limiting structure can select different mounting holes through bolts to adjust the installation position of the limiting structure.

[0013] As a further preferred solution, it also includes a positioning block, a shift block, a spring, a ratchet, a gear and a rack. The positioning block is fixedly connected to the top of the center seat, and the shift block and the ratchet are rotatably connected to the positioning block. The tooth end of the shift block engages with the ratchet teeth of the ratchet to form a one-way non-return fit. The tail end of the shift block is fixedly connected to the spring through a hook, and the other end of the spring is fixedly connected to the boss of the positioning block. The ratchet is coaxially fixedly connected to the gear through a flat key, and the bottom end of the upper movable frame is fixedly connected to the rack by bolts. The tooth surface of the rack engages with the teeth of the gear to form a transmission pair.

[0014] The present invention has the following advantages: 1. The present invention arranges vertically symmetrical grinding wheels inside the housing, with the grinding wheel speed set to 1500-3000 rpm, which can achieve high-speed rotary grinding and ensure grinding effect and efficiency. At the same time, the speed difference between the grinding wheels at the inlet and outlet is designed, with the speed of the grinding wheel at the inlet being 5%-15% slower than that at the outlet. The clockwise rotation of the grinding wheel at the inlet generates resistance, while the counterclockwise rotation of the grinding wheel at the outlet generates driving force. Under the combined action of the two, the grinding wheels can maintain a high-speed rotary grinding state and effectively control the movement speed of the bamboo board, avoiding insufficient grinding due to excessive movement of the bamboo board, thereby achieving double-sided synchronous fine grinding of the bamboo board. Compared with the traditional single-sided grinding method, this greatly improves the grinding efficiency, while ensuring the consistency and parallelism of the grinding on both sides of the bamboo board, thereby improving the processing quality of the bamboo board.

[0015] 2. This invention incorporates a limiting mechanism. A second motor drives the dual-axis screw, adjusting the distance between the two movable clamps. This allows the limiting wheels to contact both sides of the bamboo board, effectively limiting and guiding the board. This ensures the board remains centered during the polishing process, preventing deviation and improving polishing accuracy. Furthermore, the limiting mechanism can be adjusted through mounting holes on the mounting plate to accommodate different polishing requirements, enhancing the device's applicability.

[0016] 3. By providing an inclined block and dust collection box, the present invention guides dust generated during grinding into the dust collection box under the guidance of the inclined block, facilitating dust collection and cleaning, reducing pollution to the working environment and improving the health of operators. Furthermore, the transparent window on the casing allows operators to observe the internal grinding process, facilitating the timely detection and resolution of problems.

[0017] 4. This invention uses an electric cylinder to adjust the distance between the upper and lower movable frames, thereby adjusting the spacing between the grinding wheels to accommodate bamboo boards of varying thicknesses, expanding the device's applicability. Furthermore, the controller provides automated control of the motors and electric cylinders, making operation more convenient and improving the device's efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention.

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the conveying roller, center seat and limiting structure of the present invention.

[0020] Figure 3 It is a schematic diagram of the three-dimensional structure of the center seat, mounting plate and clamping seat of the present invention.

[0021] Figure 4 It is a schematic diagram of the three-dimensional structure of the electric cylinder, movable frame and mounting frame of the present invention.

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the first motor, grinding wheel and roller of the present invention.

[0023] Figure 6 It is a schematic diagram of the three-dimensional structure of the movable frame, the mounting frame, the first motor and the grinding wheel of the present invention.

[0024] Figure 7 It is a schematic diagram of the three-dimensional structure of the clamping seat, the second motor and the double-axis screw rod of the present invention.

[0025] Figure 8 It is a schematic diagram of the three-dimensional structure of the movable clamp, the third motor and the limiting wheel of the present invention.

[0026] Figure 9 It is a schematic diagram of the three-dimensional structure of the housing and controller of the present invention.

[0027] Figure 10 It is a cross-sectional view of the casing, the inclined block and the ash collecting box of the present invention.

[0028] Figure 11 It is a schematic diagram of the three-dimensional structure of the center seat, positioning block and ratchet of the present invention.

[0029] Figure 12 It is a schematic diagram of the three-dimensional structure of the shift block, spring and ratchet of the present invention.

[0030] Among them: 1-conveying roller, 201-housing, 202-controller, 203-inclined block, 204-ash box, 205-window, 301-center seat, 302-electric cylinder, 303-movable frame, 304-mounting frame, 305-first motor, 306-grinding wheel, 307-mounting plate, 308-roller, 401-clamping seat, 402-second motor, 403-double-axis screw, 404-movable clamp, 405-third motor, 406-limiting wheel, 501-positioning block, 502-shift block, 503-spring, 504-ratchet, 505-gear, 506-rack. DETAILED DESCRIPTION

[0031] Embodiment: A double-sided synchronous fine grinding device for bamboo boards, such as Figures 1-10As shown, it includes a conveying roller 1, a casing 201, a center seat 301, an electric cylinder 302, a movable frame 303, a mounting frame 304, a first motor 305, a grinding wheel 306, a mounting plate 307 and a limiting structure. Conveying rollers 1 for conveying bamboo boards are provided at the inlets and outlets on both sides of the casing 201. The center seat 301 is installed inside the casing 201. The upper and lower ends of the center seat 301 are slidably connected to the movable frame 303. An electric cylinder 302 is installed on both sides of the center seat 301. Cylinder 302, the telescopic shafts of the two electric cylinders 302 are fixedly connected to the two movable frames 303 respectively, and the movable frames 303 are fixedly connected with mounting frames 304. First motors 305 are installed on both sides of the mounting frames 304, and the output shafts of the first motors 305 are fixedly connected with grinding wheels 306. The grinding wheels 306 of the upper and lower movable frames 303 are symmetrical to each other. The center seat 301 is fixedly connected with a mounting plate 307 near the inlet end of the casing 201, and a limiting structure is installed on the mounting plate 307.

[0032] like Figure 9-10 As shown, two symmetrical inclined blocks 203 are fixedly connected to the bottom of the casing 201, and a dust collecting box 204 is slidably connected between the two inclined blocks 203. The two symmetrical inclined blocks 203 at the bottom of the casing 201 cooperate with the slidingly connected dust collecting box 204. The inclined blocks 203 can guide the bamboo chips and dust generated by grinding to gather in the dust collecting box 204. The dust collecting box 204 can be easily pulled out and cleaned, which effectively solves the problems of difficult collection and inconvenience of cleaning of grinding dust, keeps the working environment clean, and reduces the impact of dust on the health of operators.

[0033] like Figure 1 and Figure 9 As shown, a transparent window 205 is provided on the front of the housing 201, so that the operator can clearly observe the grinding status of the internal bamboo board, the working condition of the grinding wheel 306 and the conveying condition of the bamboo board without opening the housing 201, so as to facilitate timely detection of abnormalities in the grinding process and make adjustments, thereby improving the convenience and safety of operation.

[0034] like Figure 1 and Figure 9 As shown, a controller 202 is installed on the front of the housing 201. The controller 202 is electrically connected to the first motor 305, the second motor 402, the third motor 405 and the electric cylinder 302, thereby realizing centralized control of each power component. The operator can accurately adjust the rotation speed of the grinding wheel 306, the spacing between the limiting wheels 406 and the position of the movable frame 303 through the controller 202, thereby simplifying the operating process and improving the stability and automation of the device operation.

[0035] like Figure 3-Figure 7As shown, a through-hole is opened in the center of the center seat 301, and a roller 308 is rotatably connected in the through-hole of the center seat 301. The height of the roller 308 is consistent with the conveying roller 1, which provides stable support when the bamboo board passes through the through-hole from the grinding wheel 306 at the inlet end to the grinding wheel 306 at the outlet end, avoiding the grinding deviation of the bamboo board caused by gravity sagging or offset during the transition process, and ensuring the smooth transportation of the bamboo board and the continuity of the grinding.

[0036] like Figure 3-Figure 8 As shown, the limiting structure includes a clamping seat 401, a movable clamp 404, a third motor 405 and a limiting wheel 406. The clamping seat 401 is installed on the mounting plate 307. The movable clamp 404 is slidably connected on both sides of the clamping seat 401. The third motor 405 is installed on the movable clamp 404. The output shaft of the third motor 405 is fixedly connected with the limiting wheel 406. The third motor 405 drives the limiting wheel 406 to rotate. When the limiting wheel 406 contacts both sides of the bamboo board, it can not only assist the transportation of the bamboo board by rotation, but also limit the lateral deviation of the bamboo board, ensuring that the bamboo board always maintains the correct position during the grinding process, thereby improving the uniformity and accuracy of the grinding.

[0037] like Figure 3-Figure 8 As shown, the limiting structure also includes a second motor 402 and a double-axis screw 403. The second motor 402 is installed on the top of the clamping seat 401. The double-axis screw 403 is fixedly connected to the output shaft of the second motor 402. The two ends of the double-axis screw 403 are respectively threadedly connected to the movable clamps 404 on both sides. When the double-axis screw 403 rotates, the movable clamps 404 on both sides can be synchronously moved closer to or away from the center of the screw, so that the spacing between the limiting wheels 406 can be quickly adjusted to adapt to bamboo boards of different widths without manual adjustment, thereby improving the adaptation efficiency and operation convenience of the device to bamboo boards of different specifications.

[0038] like Figure 3-Figure 8 As shown, a plurality of mounting holes are provided on the mounting plate 307, allowing the limiting structure to select different mounting positions through bolts. The relative position of the limiting wheel 406 and the grinding wheel 306 can be flexibly adjusted according to the length of the bamboo board and the grinding requirements, ensuring that the limiting effect takes effect accurately before the bamboo board enters the grinding area, further enhancing the versatility and flexibility of use of the device.

[0039] like Figure 11 and Figure 12As shown, a positioning block 501 is fixedly connected to the top of the center seat 301. A shift block 502 and a ratchet 504 are rotatably connected to the positioning block 501. The teeth of the shift block 502 mesh with the teeth of the ratchet 504, forming a one-way check. The tail end of the shift block 502 is fixedly connected to a spring 503 via a hook. The other end of the spring 503 is fixedly connected to the boss of the positioning block 501. The ratchet 504 is coaxially fixedly connected to a gear 505 via a flat key. The bottom end of the upper movable frame 303 is fixedly connected to a rack 506 via bolts. The teeth of the rack 506 mesh with the teeth of the gear 505 to form a transmission pair. When the electric cylinder 302 suddenly fails and loses pressure, the upper movable frame 303, driven by gravity, drives the grinding wheel 306 downward. The rack 506 moves downward synchronously with the movable frame 303, driving the meshing gear 505 to rotate clockwise, and the ratchet 504 rotates clockwise synchronously with the gear 505. At this time, the inclined surface of the ratchet teeth of the ratchet wheel 504 contacts the inclined surface of the tooth end of the shift block 502 and produces relative sliding, forcing the tooth end of the shift block 502 to swing counterclockwise around the pin. The tail end of the shift block 502 then moves away from the positioning block 501, and the spring 503 is stretched and accumulates elastic potential energy. During each rotation of the ratchet wheel 504 by one tooth pitch, the tooth end of the shift block 502 re-engages with the next ratchet tooth of the ratchet wheel 504 under the reset force of the spring 503, forming an intermittent damping buffer. The elastic deformation of the spring 503 absorbs the kinetic energy of the falling movable frame 303, and the one-way meshing characteristics of the ratchet wheel 504 and the shift block 502 are used to achieve graded buffering, effectively attenuating the impact force and speed of the grinding wheel 306, avoiding the deformation of equipment parts or the brittle fracture and splashing of the bamboo board caused by the rigid extrusion between the grinding wheel 306 and the bamboo board, and further improving the structural safety of the device in the event of a sudden failure.

[0040] When using the double-sided synchronous fine grinding device for bamboo boards, the controller 202 first controls the electric cylinder 302 to operate according to the thickness of the bamboo board. The telescopic shaft of the electric cylinder 302 drives the upper and lower movable frames 303 to slide on the center seat 301, thereby adjusting the distance between the upper and lower grinding wheels 306 to match the thickness of the bamboo board. Then, according to the width of the bamboo board, the second motor 402 is activated by the controller 202. The output shaft of the second motor 402 drives the double-axis screw 403 to rotate. Since the two ends of the double-axis screw 403 are respectively threadedly connected to the movable clamps 404 on both sides, and the movable clamps 404 are slidably connected to the clamping seat 401, the rotation of the double-axis screw 403 causes the movable clamps 404 on both sides to move simultaneously toward the center or to both sides until the distance between the limiting wheels 406 on both sides matches the width of the bamboo board.

[0041] The bamboo board is transported from the inlet end of the casing 201 to the inside of the casing 201 through the conveying roller 1. When the bamboo board moves to the limiting structure, both sides of the bamboo board contact a limiting wheel 406 respectively. At this time, the third motor 405 is started, and the third motor 405 drives the limiting wheel 406 to rotate. The rotation of the limiting wheel 406 guides the bamboo board, ensuring that the bamboo board remains centered during the conveying process to avoid deviation.

[0042] The bamboo board continues to be transported forward and enters the grinding area of ​​the grinding wheel 306. As the bamboo board passes from the grinding wheel 306 at the inlet end to the grinding wheel 306 at the outlet end, the roller 308 in the opening of the center seat 301 supports the bamboo board. Because the height of the roller 308 is consistent with the height of the conveyor roller 1, the smooth transportation of the bamboo board is ensured. The first motor 305 is then started, and the first motor 305 drives the grinding wheels 306 to rotate at high speed. The symmetrical upper and lower grinding wheels 306 simultaneously grind the upper and lower surfaces of the bamboo board. The rotation speed of the grinding wheels 306 is set to 1500-3000 rpm, which can ensure efficient and fine grinding of the bamboo board surface. The upper and lower grinding wheels 306 near the outlet end of the casing 201 rotate counterclockwise, and their rotation direction is consistent with the conveying direction of the bamboo board, which can generate a forward driving force for the bamboo board and assist the bamboo board to move forward; while the upper and lower grinding wheels 306 near the inlet end of the casing 201 rotate clockwise at a speed slightly slower than the grinding wheel 306 at the outlet end. Specifically, the rotation speed of the grinding wheel 306 at the inlet end is 5%-15% slower than the rotation speed of the grinding wheel 306 at the outlet end, and its rotation direction is opposite to the conveying direction of the bamboo board, which generates a certain resistance to the bamboo board, thereby keeping the grinding wheel in a high-speed rotating grinding state and effectively controlling the moving speed of the bamboo board to avoid insufficient grinding due to excessive movement of the bamboo board, thereby ensuring that the four grinding wheels 306 can finely grind the upper and lower surfaces of the bamboo board.

[0043] The bamboo chips and dust generated during the grinding process will fall downwards. The inclined block 203 at the bottom of the housing 201 can guide the dust to gather in the middle and fall into the dust collection box 204. When there is a lot of dust in the dust collection box 204, it can be pulled out from between the two inclined blocks 203 for cleaning. The operator can observe the grinding condition of the bamboo board through the transparent window 205 on the front of the housing 201 so as to find problems and make adjustments in time. The polished bamboo board is transported out of the housing 201 through the conveyor roller 1 at the outlet end, completing the entire grinding process. During the entire working process, the controller 202 coordinates and controls the operation of the first motor 305, the second motor 402, the third motor 405 and the electric cylinder 302 to ensure that each component works in harmony and improve the degree of automation and work efficiency of the device.

Claims

1. A double-sided synchronous fine grinding device for bamboo boards, comprising a conveying roller (1), a housing (201) and a center seat (301), wherein conveying rollers (1) for conveying bamboo boards are provided at the inlet and outlet on both the left and right sides of the housing (201), and a center seat (301) is installed inside the housing (201), wherein: The machine also includes an electric cylinder (302), a movable frame (303), a mounting frame (304), a first motor (305), a grinding wheel (306), a mounting plate (307) and a limiting structure. The upper and lower ends of the center seat (301) are slidably connected to the movable frame (303). An electric cylinder (302) is respectively installed on both sides of the center seat (301). The telescopic shafts of the two electric cylinders (302) are respectively fixedly connected to the two movable frames (303). The movable frames (303) are fixedly connected to the mounting frames (304). The first motor (305) is installed on both sides of the mounting frames (304). The grinding wheel (306) is fixedly connected to the output shaft of the first motor (305). The grinding wheels (306) of the upper and lower movable frames (303) are symmetrical to each other. The center seat (301) is fixedly connected to the mounting plate (307) near the inlet end of the housing (201). The limiting structure is installed on the mounting plate (307).

2. The double-sided synchronous fine grinding device for bamboo boards according to claim 1, characterized in that: It also includes an inclined block (203) and an ash collecting box (204). The bottom end of the housing (201) is fixedly connected to two mutually symmetrical inclined blocks (203), and the ash collecting box (204) is slidably connected between the two inclined blocks (203).

3. The double-sided synchronous fine grinding device for bamboo boards according to claim 1, characterized in that: The housing (201) further comprises a viewing window (205), wherein a transparent viewing window (205) is provided on the front side of the housing (201).

4. The double-sided synchronous fine grinding device for bamboo boards according to claim 3, characterized in that: The utility model further comprises a roller (308), wherein a through-hole is provided at the center of the center seat (301), and a roller (308) is rotatably connected in the through-hole of the center seat (301), and the height of the roller (308) is consistent with that of the conveying roller (1). The roller (308) is used to support the bamboo board when it passes from the grinding wheel (306) at the inlet end through the through-hole to the grinding wheel (306) at the outlet end.

5. The double-sided synchronous fine grinding device for bamboo boards according to claim 4, characterized in that: The limiting structure comprises a clamping seat (401), a movable clamp (404), a third motor (405) and a limiting wheel (406); the clamping seat (401) is mounted on the mounting plate (307); both sides of the clamping seat (401) are slidably connected to the movable clamp (404); the third motor (405) is mounted on the movable clamp (404); and the limiting wheel (406) is fixedly connected to the output shaft of the third motor (405).

6. The double-sided synchronous fine grinding device for bamboo boards according to claim 1, characterized in that: A plurality of mounting holes are provided on the mounting plate (307), and the limiting structure can select different mounting holes through bolts to adjust the installation position of the limiting structure.

7. The double-sided synchronous fine grinding device for bamboo boards according to claim 6, characterized in that: The limiting structure further comprises a second motor (402) and a double-axis screw rod (403). The second motor (402) is mounted on the top of the clamping seat (401). The double-axis screw rod (403) is fixedly connected to the output shaft of the second motor (402). The two ends of the double-axis screw rod (403) are respectively threadedly connected to the movable clamps (404) on both sides.

8. The double-sided synchronous fine grinding device for bamboo boards according to claim 7, characterized in that: The machine also includes a controller (202). The controller (202) is installed on the front of the housing (201). The controller (202) is electrically connected to the first motor (305), the second motor (402), the third motor (405), and the electric cylinder (302).

9. The double-sided synchronous fine grinding device for bamboo boards according to claim 8, characterized in that: The invention also includes a positioning block (501), a shift block (502), a spring (503), a ratchet (504), a gear (505) and a rack (506), wherein the positioning block (501) is fixedly connected to the top of the center seat (301), the shift block (502) and the ratchet (504) are rotatably connected to the positioning block (501), the tooth end of the shift block (502) meshes with the ratchet teeth of the ratchet (504) to form a one-way non-return fit, the tail end of the shift block (502) is fixedly connected to the spring (503) through a hook, the other end of the spring (503) is fixedly connected to the boss of the positioning block (501), the ratchet (504) is coaxially fixedly connected to the gear (505) through a flat key, the bottom end of the upper movable frame (303) is fixedly connected to the rack (506) by bolts, and the tooth surface of the rack (506) meshes with the gear teeth of the gear (505) to form a transmission pair.

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