Abrasive leather grinding mechanism

Abstract

The utility model discloses an abrasive belt grinding mechanism which comprises a product rotating and positioning mechanism and an abrasive belt transmission mechanism which are adjacently arranged, the product rotating and positioning mechanism comprises a bottom rotating and positioning disc and a top pressing structure, and the top pressing structure is arranged on a portal frame. The abrasive paper transmission mechanism comprises a bottom plate connected with the lifting mechanism, a movable plate movably matched on the bottom plate and a plurality of transmission wheels pivoted on the movable plate, the abrasive paper surrounds the plurality of transmission wheels, and a linear driving unit is arranged between the movable plate and the bottom plate. A cylindrical product is positioned on the bottom rotary positioning disc, and the top pressing structure presses the top of the product. And the product rotates, the abrasive paper is fed to the product, and the surface of the product is ground. According to the abrasive leather grinding mechanism, products can be comprehensively and uniformly ground, and the working efficiency and the quality of the products can be improved.

Description

Technical Field

[0001] The utility model relates to metal parts processing equipment, in particular to grinding equipment. Background Art

[0002] The surface of cylindrical metal parts needs to be ground smooth. The commonly used grinding material is sandpaper, and the commonly used grinding method is manual grinding. When manually grinding the product surface, there may be problems such as more grinding times in some places and less grinding times in others, and uneven grinding. Moreover, manual grinding is not efficient and is time-consuming and labor-intensive. Utility Model Content

[0003] The technical problem solved by the utility model is that the surface of a product is polished unevenly by hand, and the efficiency of hand polishing is low.

[0004] In order to solve the above technical problems, the utility model provides the following technical solutions: a sandpaper grinding mechanism, including a product rotation positioning mechanism and a sandpaper transmission mechanism arranged adjacent to each other, the product rotation positioning mechanism including a bottom rotation positioning plate and a top pressing structure, the top pressing structure is arranged on a gantry, the sandpaper transmission mechanism includes a base plate connected to a lifting mechanism, a movable plate movably engaged on the base plate, and a plurality of transmission wheels pivotally connected to the movable plate, the sandpaper paper is wrapped around the plurality of transmission wheels, and a linear drive unit is provided between the movable plate and the base plate.

[0005] According to the above technical solution, the cylindrical product is positioned on the bottom rotating positioning plate, and the top pressing structure descends to press on the top of the product. Driven by the bottom rotating positioning plate, the product rotates. Driven by a plurality of transmission wheels, the sandpaper is driven. Driven by the linear drive unit, the sandpaper is fed to the product to grind the surface of the product. Driven by the lifting mechanism, the sandpaper rises and falls to fully grind the surface of the product.

[0006] The sandpaper grinding mechanism of the utility model can perform comprehensive and uniform grinding on products, which is beneficial to improving work efficiency and product quality.

[0007] The transmission wheel comprises a pair of front transmission wheels and a rear transmission wheel, the rear transmission wheel is connected with a first motor, and the first motor is installed at the bottom of the base plate. The first motor drives the rear transmission wheel, and the rear transmission wheel drives the pair of front transmission wheels through sandpaper.

[0008] The bottom plate is covered with a cover shell, and a dust hood is welded on the cover shell. The cover shell has a dustproof function. The dust hood is connected to a hose, and the hose is connected to an exhaust fan, and the dust hood absorbs dust from the grinding product.

[0009] The linear drive unit is a first hydraulic cylinder installed on the bottom plate. A clearance notch is provided in the middle of the movable plate. The first hydraulic cylinder is located in the clearance notch. The piston rod of the first hydraulic cylinder is connected to the movable plate. Driven by the first hydraulic cylinder, the movable plate moves forward and backward relative to the bottom plate. The movable plate moves forward, and the drive wheel and sandpaper on it move forward. The sandpaper between a pair of front drive wheels contacts the surface of the product to grind the surface of the product.

[0010] The lifting mechanism includes a vertical threaded rod and a vertical guide rod, which are pivotally connected to a frame, and the frame is located below the bottom plate. The bottom plate is provided with a first lug and a second lug on both sides, respectively. The first lug is provided with a threaded hole matched with the vertical threaded rod, and the second lug is provided with a guide hole matched with the vertical guide rod. The bottom end of the vertical threaded rod is connected to a second motor. The second motor drives the vertical threaded rod to rotate. Under the drive of the vertical threaded rod and the guidance of the vertical guide rod, the bottom plate is lifted and lowered, so that the movable plate and the sandpaper thereon are lifted and lowered, and the surface of the product is fully ground.

[0011] The top pressing structure includes a second hydraulic cylinder installed on the gantry, a pressure ring connected to the piston rod of the second hydraulic cylinder, and a follower ring pivoted in the pressure ring. The product is positioned on the bottom rotating positioning plate, and then, driven by the second hydraulic cylinder, the pressure ring brings the follower ring down, and the follower ring presses on the top surface of the product. Driven by the motor, the bottom rotating positioning plate rotates, driving the product to rotate, the follower ring rotates with the product, and the pressure ring remains stationary. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] The utility model is further described below in conjunction with the accompanying drawings:

[0013] Figure 1 It is a schematic diagram of the sandpaper grinding mechanism;

[0014] Figure 2 for Figure 1 A top view of

[0015] Figure 3 for Figure 1 Right view of .

[0016] Explanation of symbols in the figure:

[0017] 10. Product rotation positioning mechanism; 11. Bottom rotation positioning plate; 12. Top pressing structure; 13. Gantry; 14. Second hydraulic cylinder; 15. Pressing ring; 16. Follower ring;

[0018] 20. Sandpaper transmission mechanism; 21. Bottom plate; 22. Movable plate; 221. Notch; 23. Front drive wheel; 24. Sandpaper; 25. Linear drive unit; 26. Rear drive wheel; 27. First motor; 28. Cover; 29. ​​Dust hood; 290. Hose;

[0019] 31. Vertical threaded rod; 32. Vertical guide rod; 33. Frame. DETAILED DESCRIPTION

[0020] Combination Figure 1 , Figure 2 The sandpaper grinding mechanism includes a product rotation positioning mechanism 10 and a sandpaper transmission mechanism 20 which are adjacently arranged. The product rotation positioning mechanism includes a bottom rotation positioning plate 11 and a top pressing structure 12. The top pressing structure is arranged on a gantry 13. The sandpaper transmission mechanism 20 includes a bottom plate 21 connected to a lifting mechanism, a movable plate 22 movably fitted on the bottom plate, and a plurality of transmission wheels pivotally connected to the movable plate. Sandpaper 24 is wrapped around the plurality of transmission wheels. A linear drive unit 25 is arranged between the movable plate and the bottom plate.

[0021] The cylindrical product is positioned on the bottom rotating positioning plate 11, and the top pressing structure 12 is lowered to press on the top of the product. Driven by the bottom rotating positioning plate 11, the product rotates. Driven by a plurality of transmission wheels, the sandpaper 24 is driven. Driven by the linear drive unit 25, the sandpaper 24 is fed to the product to grind the surface of the product. Driven by the lifting mechanism, the sandpaper 24 is lifted and lowered to fully grind the surface of the product.

[0022] The transmission wheel includes a pair of front transmission wheels 23 and a rear transmission wheel 26, and the rear transmission wheel is connected to a first motor 27, and the first motor is installed at the bottom of the bottom plate 21. The first motor 27 drives the rear transmission wheel 26, and the rear transmission wheel drives the pair of front transmission wheels 23 through the sandpaper 24.

[0023] The bottom plate 21 is covered with a cover shell 28, and a dust hood 29 is welded on the cover shell. The dust hood 29 is connected to a hose 290, and the hose is connected to an exhaust fan. The dust hood 29 absorbs dust from the grinding product.

[0024] The linear drive unit 25 is a first hydraulic cylinder installed on the bottom plate 21. A clearance notch 221 is provided in the middle of the movable plate 22. The first hydraulic cylinder is located in the clearance notch. The piston rod of the first hydraulic cylinder is connected to the movable plate. Driven by the first hydraulic cylinder, the movable plate 22 moves forward and backward relative to the bottom plate 21. The movable plate 22 moves forward, and the driving wheel and the sandpaper 24 on it move forward. The sandpaper between the pair of front driving wheels 23 contacts the surface of the product to grind the surface of the product.

[0025] The lifting mechanism includes a vertical threaded rod 31 and a vertical guide rod 32, which are pivotally connected to a frame 33. The frame is located below the bottom plate 21. The bottom plate is provided with a first lug and a second lug on both sides. The first lug is provided with a threaded hole matched with the vertical threaded rod, and the second lug is provided with a guide hole matched with the vertical guide rod. The bottom end of the vertical threaded rod 31 is connected to a second motor. The second motor drives the vertical threaded rod 31 to rotate. Under the drive of the vertical threaded rod and the guidance of the vertical guide rod 32, the bottom plate 21 is lifted and lowered, so that the movable plate 22 and the sandpaper 24 thereon are lifted and lowered, and the surface of the product is fully ground.

[0026] The top pressing structure 12 includes a second hydraulic cylinder 14 mounted on the gantry 13, a pressure ring 15 connected to the piston rod of the second hydraulic cylinder, and a follower ring 16 pivoted in the pressure ring. The product is positioned on the bottom rotating positioning plate 11, and then, driven by the second hydraulic cylinder 14, the pressure ring 15 brings the follower ring 16 down, and the follower ring presses on the top surface of the product. Driven by the motor, the bottom rotating positioning plate 11 rotates, driving the product to rotate, the follower ring 16 rotates with the product, and the pressure ring 15 remains stationary.

[0027] The above contents are only preferred implementation modes of the present invention. For ordinary technicians in this field, according to the concept of the present invention, there may be changes in the specific implementation mode and application scope. The content of this specification should not be understood as limiting the present invention.

Claims

1. A sandpaper grinding mechanism, comprising a product rotation positioning mechanism (10) and a sandpaper transmission mechanism (20) arranged adjacent to each other, wherein the product rotation positioning mechanism comprises a bottom rotation positioning plate (11) and a top pressing structure (12), wherein the top pressing structure is arranged on a gantry (13), and wherein: The sandpaper transmission mechanism (20) comprises a bottom plate (21) connected to the lifting mechanism, a movable plate (22) movably fitted on the bottom plate, and a plurality of transmission wheels pivotally connected to the movable plate. Sandpaper (24) surrounds the plurality of transmission wheels, and a linear drive unit (25) is provided between the movable plate and the bottom plate.

2. The sandpaper grinding mechanism according to claim 1, characterized in that: The transmission wheel comprises a pair of front transmission wheels (23) and a rear transmission wheel (26), the rear transmission wheel is connected to a first motor (27), and the first motor is installed at the bottom of the base plate (21).

3. The sandpaper grinding mechanism according to claim 1, characterized in that: The bottom plate (21) is covered with a cover shell (28), and a dust collecting cover (29) is welded on the cover shell.

4. The sandpaper grinding mechanism according to claim 1, characterized in that: The linear drive unit (25) is a first hydraulic cylinder installed on the bottom plate (21). A clearance notch (221) is provided in the middle of the movable plate (22). The first hydraulic cylinder is located in the clearance notch. The piston rod of the first hydraulic cylinder is connected to the movable plate.

5. The sandpaper grinding mechanism according to claim 1, characterized in that: The lifting mechanism comprises a vertical threaded rod (31) and a vertical guide rod (32), the vertical threaded rod and the vertical guide rod are pivotally connected to a frame (33), the frame is located below a bottom plate (21), and a first lug and a second lug are respectively provided on both sides of the bottom plate, the first lug is provided with a threaded hole matched with the vertical threaded rod, and the second lug is provided with a guide hole matched with the vertical guide rod; the bottom end of the vertical threaded rod (31) is connected to a second motor.

6. The sandpaper grinding mechanism according to claim 1, characterized in that: The top pressing structure (12) comprises a second hydraulic cylinder (14) installed on a gantry (13), a pressing ring (15) connected to a piston rod of the second hydraulic cylinder, and a follower ring (16) pivotally connected to the pressing ring.

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