Numerical control abrasive belt grinding machine for scissor production

Abstract

The utility model relates to the technical field of abrasive belt grinding machines, in particular to a numerical control abrasive belt grinding machine for scissor production, which comprises a machine shell, a lifting assembly is arranged in an inner cavity of the machine shell, a machine table is arranged at the top end of the lifting assembly, and telescopic rods are arranged at four corners of the bottom end of the machine table. The bottom ends of the multiple telescopic rods are fixedly connected with the bottom end of an inner cavity of the machine shell, a support is arranged in the middle of the top end of the machine table, a first motor is arranged on the left side of the support, the output end of the first motor extends to the right end of the support and is fixedly connected with a driving wheel, and a fixing box is arranged on the right side of the support. The numerical control abrasive belt grinding machine for scissor production solves the problems that in the prior art, in the actual using process of an abrasive belt grinding machine, the distance between grinding wheels cannot be adjusted, due to the fact that an abrasive belt is not elastic, the abrasive belt is very inconvenient to disassemble and assemble, and the abrasive belt grinding machine cannot adjust the height of a machine table; and the operation is inconvenient for users with different heights.

Description

Technical Field

[0001] The utility model relates to the technical field of abrasive belt grinders, in particular to a numerically controlled abrasive belt grinder for producing scissors. Background Art

[0002] Belt grinders use fast-moving abrasive belts as abrasive tools for grinding and polishing. They improve the dimensional accuracy and smoothness of workpieces. Belt grinders are divided into universal belt grinders, external cylindrical belt grinders, internal cylindrical belt grinders, flat belt grinders, and profile belt grinders.

[0003] However, the distance between the grinding wheels of the belt grinder in the prior art cannot be adjusted during actual use. Since the belt is not elastic, it is very inconvenient to disassemble and assemble the belt. The height of the machine cannot be adjusted, which is inconvenient for users of different heights to operate. To address this problem, a CNC belt grinder for scissors production is provided. Utility Model Content

[0004] The purpose of the utility model is to provide a CNC abrasive belt grinder for scissors production to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: A CNC abrasive belt grinder for scissors production, including a housing, the inner cavity of the housing is provided with a lifting assembly, the top of the lifting assembly is provided with a machine table, the four corners of the bottom end of the machine table are provided with telescopic rods, the bottom ends of the plurality of telescopic rods are fixedly connected to the bottom end of the inner cavity of the housing, a bracket is provided in the middle of the top of the machine table, a first motor is provided on the left side of the bracket, the output end of the first motor extends to the right end of the bracket and is fixedly connected to a driving wheel, a fixed box is provided on the right side of the bracket, and the front and rear sides of the inner cavity of the fixed box are respectively slidably plugged with adjustment rods, the two adjustment rods are rotatably connected to driven wheels through bearings, the outer parts of the driving wheel and the two driven wheels are sleeved with abrasive belts, and the inner cavity of the fixed box is provided with a driving assembly.

[0005] Preferably, the driving assembly includes a dual-axis motor, a screw rod and a limit assembly. The dual-axis motor is arranged in the middle of the inner cavity of the fixed box. The two screw rods are respectively fixedly connected to the output ends of the dual-axis motor and are respectively screwed to the outer walls of the two screw rods. The multiple limit assemblies are all arranged on the inner wall of the fixed box and are respectively fixedly connected to the outer walls of the two adjusting rods.

[0006] Preferably, the limiting assembly includes a limiting groove and a limiting block, the limiting groove is formed on the inner wall of the fixed box, and the limiting block is slidably embedded in the inner cavity of the limiting groove and fixedly connected to the outer wall of the adjusting rod.

[0007] Preferably, the inner cavity of the limiting groove and the outer wall of the limiting block are matched and both are dovetail-shaped.

[0008] Preferably, placement grooves are provided on the circumferences of the outer walls of the driving wheel and the driven wheel.

[0009] Preferably, the lifting assembly includes a second motor, a worm, a screw, a worm wheel and a moving cylinder. The second motor is arranged at the right end of the casing, and the output end of the second motor extends to the inner cavity of the casing. One end of the worm is rotatably connected to the left side of the inner cavity of the casing through a bearing, and the other end of the worm is fixedly connected to the output end of the second motor. The screw is rotatably connected to the bottom end of the inner cavity of the casing through a bearing, the moving cylinder is threaded on the outer wall of the screw and fixedly connected to the bottom end of the machine, and the worm wheel is fixedly sleeved on the outer wall of the screw.

[0010] Preferably, the worm wheel is meshed with the worm.

[0011] Compared with the prior art, the utility model has the following beneficial effects:

[0012] 1. Through the setting of the driving assembly, the distance between the two adjusting rods can be adjusted, thereby realizing the distance adjustment between the two driven wheels, achieving the purpose of adjusting the tightness of the sanding belt, facilitating the disassembly and replacement of the sanding belt, and solving the problem that the distance between the grinding wheels of the sanding belt grinder in the prior art cannot be adjusted during actual use, and the sanding belt is very inconvenient to disassemble and assemble because the sanding belt is not elastic;

[0013] 2. Through the setting of the lifting assembly, the machine can slide up and down along a straight line under the limiting action of multiple telescopic rods, so that the user can adjust the height of the machine according to his or her own height conditions, solving the problem that the belt grinder in the prior art cannot adjust the height of the machine, which is inconvenient for users of different heights to operate. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0015] Figure 2 It is a top sectional view of the casing of the utility model;

[0016] Figure 3 This is a front cross-sectional view of the housing of the utility model;

[0017] Figure 4 It is a right side sectional view of the fixed box of the utility model;

[0018] Figure 5 For this utility model Figure 4 Enlarged view of point A.

[0019] In the figure: 1. casing; 2. telescopic rod; 3. machine platform; 4. bracket; 5. first motor; 6. driving wheel; 7. fixing box; 8. adjusting rod; 9. driven wheel; 10. sanding belt; 11. double-axis motor; 12. limiting groove; 13. limiting block; 14. second motor; 15. worm; 16. screw; 17. worm wheel; 18. moving cylinder; 19. screw. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 5 The utility model provides a technical solution: a CNC abrasive belt grinder for scissors production, comprising a casing 1, an inner cavity of the casing 1 is provided with a lifting assembly, a machine table 3 is provided at the top of the lifting assembly, telescopic rods 2 are provided at the four corners of the bottom end of the machine table 3, the bottom ends of the plurality of telescopic rods 2 are fixedly connected to the bottom end of the inner cavity of the casing 1, a bracket 4 is provided at the middle of the top end of the machine table 3, a first motor 5 is provided on the left side of the bracket 4, the output end of the first motor 5 extends to the right end of the bracket 4 and is fixedly connected to a driving wheel 6, a fixed box 7 is provided on the right side of the bracket 4, and adjusting rods 8 are slidably inserted at the front and rear sides of the inner cavity of the fixed box 7, and driven wheels 9 are rotatably connected to the two adjusting rods 8 through bearings, and a sanding belt 10 is sleeved on the outside of the driving wheel 6 and the two driven wheels 9, and a driving belt 10 is provided in the inner cavity of the fixed box 7. The movable component can adjust the distance between the two adjusting rods 8 through the setting of the driving component, thereby realizing the adjustment of the distance between the two driven wheels 9, realizing the purpose of adjusting the tightness of the sand belt 10, facilitating the disassembly and replacement of the sand belt 10, and solving the problem that the distance between the grinding wheels of the sand belt 10 grinder in the prior art cannot be adjusted during actual use, and the sand belt 10 is very inconvenient to disassemble and assemble because the sand belt 10 does not have elasticity. Through the setting of the lifting component, the machine table 3 can slide up and down along a straight line under the limiting action of multiple telescopic rods 2, thereby facilitating the user to adjust the height of the machine table 3 according to his own height conditions, solving the problem that the sand belt 10 grinder in the prior art cannot adjust the height of the machine table 3, and it is inconvenient for users of different heights to operate.

[0022] In this embodiment, the driving assembly includes a dual-axis motor 11, a screw rod 19 and a limit assembly. The dual-axis motor 11 is arranged in the middle of the inner cavity of the fixed box 7. The two screw rods 19 are respectively fixedly connected to the output ends of the dual-axis motor 11 and are respectively screwed on the outer walls of the two screw rods 19. Multiple limit assemblies are arranged on the inner wall of the fixed box 7 and are respectively fixedly connected to the outer walls of the two adjusting rods 8. The dual-axis motor 11 is started to drive the two screw rods 19 to rotate, so that the two adjusting rods 8 slide relatively at the same time under the limiting action of the limiting groove 12 and the limiting block 13, so as to adjust the distance between the two adjusting rods 8, and thus adjust the distance between the two driven wheels 9, so as to achieve the purpose of adjusting the tightness of the sand belt 10, facilitate the disassembly and replacement of the sand belt 10, and solve the problem that the distance between the grinding wheels of the sand belt 10 grinder in the prior art cannot be adjusted during actual use, and the sand belt 10 is very inconvenient to disassemble and assemble because the sand belt 10 does not have elasticity.

[0023] In this embodiment, the limit assembly includes a limit groove 12 and a limit block 13. The limit groove 12 is opened on the inner wall of the fixed box 7. The limit block 13 can be slidably embedded in the inner cavity of the limit groove 12 and fixedly connected to the outer wall of the adjusting rod 8. Under the joint action of the limit groove 12 and the limit block 13, the adjusting rod 8 can be prevented from rotating with the screw rod 19 when the screw rod 19 rotates, and the adjusting rod 8 can be prevented from detaching from the inner cavity of the fixed box 7, thereby improving the stability of the device during use.

[0024] In this embodiment, the inner cavity of the limiting groove 12 is matched with the outer wall of the limiting block 13 and both are dovetail-shaped, so that one end of the limiting block 13 can always remain embedded in the inner cavity of the limiting groove 12, thereby improving the stability of the limiting assembly during use.

[0025] In this embodiment, the outer wall circumferences of the driving wheel 6 and the driven wheel 9 are provided with placement grooves, which allow the sanding belt 10 to be embedded in the inner cavity of the placement groove to prevent the sanding belt 10 from escaping from the outer wall circumferences of the driving wheel 6 or the driven wheel 9, thereby improving the stability of the device during use.

[0026] In this embodiment, the lifting assembly includes a second motor 14, a worm 15, a screw 16, a worm wheel 17 and a moving cylinder 18. The second motor 14 is arranged at the right end of the casing 1, and the output end of the second motor 14 extends to the inner cavity of the casing 1. One end of the worm 15 is rotatably connected to the left side of the inner cavity of the casing 1 through a bearing, and the other end of the worm 15 is fixedly connected to the output end of the second motor 14. The screw 16 is rotatably connected to the bottom end of the inner cavity of the casing 1 through a bearing. The moving cylinder 18 is screwed to the outer wall of the screw 16 and is fixedly connected to the bottom end of the machine table 3. The worm wheel 17 is fixedly sleeved on the outer wall of the screw 16, and the start The second motor 14 drives the worm 15 to rotate. Since the worm 15 is meshed with the worm wheel 17, when the worm 15 rotates, the worm wheel 17 can drive the screw 16 to rotate. Under the action of the rotational force of the outer wall thread of the screw 16, when the screw 16 rotates, the movable cylinder 18 can push the machine 3 to slide up and down along a straight line under the limiting action of the multiple telescopic rods 2, which can facilitate the user to adjust the height of the machine 3 according to his or her own height conditions, and solves the problem that the belt grinder 10 in the prior art cannot adjust the height of the machine 3, which is inconvenient for users of different heights to operate.

[0027] In this embodiment, the worm wheel 17 is meshed with the worm 15 , so that when the worm 15 rotates, the worm wheel 17 drives the screw 16 to rotate.

[0028] The use method and advantages of the utility model: When in use, the working process is as follows:

[0029] The first motor 5 is started to drive the driving wheel 6 to rotate, so that the sanding belt 10 can rotate at a high speed under the joint action of the two driven wheels 9 and the driving wheel 6, so as to achieve the grinding of the scissors. The second motor 14 is started to drive the worm 15 to rotate. Since the worm 15 is meshed with the worm wheel 17, when the worm 15 rotates, the worm wheel 17 can drive the screw 16 to rotate. Under the action of the rotation force of the outer wall of the screw 16, when the screw 16 rotates, the movable cylinder 18 can push the machine 3 to slide up and down along a straight line under the limiting action of the multiple telescopic rods 2, which can facilitate the user to adjust the height of the machine 3 according to his or her own height conditions, and solve the problem of the sanding belt 10 in the prior art. The grinding machine cannot adjust the height of the machine table 3, which is inconvenient for users of different heights to operate. The dual-axis motor 11 is started to make the dual-axis motor 11 drive the two screw rods 19 to rotate, so that the two adjusting rods 8 slide relatively at the same time under the limiting action of the limit groove 12 and the limit block 13, so as to adjust the distance between the two adjusting rods 8, thereby achieving the purpose of adjusting the distance between the two driven wheels 9, and achieving the purpose of adjusting the tightness of the sanding belt 10, which is convenient for the disassembly and replacement of the sanding belt 10, and solves the problem that the distance between the grinding wheels of the sanding belt 10 grinder in the prior art cannot be adjusted during actual use, and the sanding belt 10 is not elastic, which makes it very inconvenient to disassemble and assemble the sanding belt 10.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A CNC belt grinder for producing scissors, comprising a housing (1), characterized in that: The inner cavity of the casing (1) is provided with a lifting assembly, a machine table (3) is provided at the top of the lifting assembly, telescopic rods (2) are provided at the four corners of the bottom end of the machine table (3), the bottom ends of the plurality of telescopic rods (2) are fixedly connected to the bottom end of the inner cavity of the casing (1), a bracket (4) is provided at the middle of the top end of the machine table (3), a first motor (5) is provided on the left side of the bracket (4), the output end of the first motor (5) extends to the right end of the bracket (4) and is fixedly connected to a driving wheel (6), a fixed box (7) is provided on the right side of the bracket (4), and adjusting rods (8) are slidably inserted at the front and rear sides of the inner cavity of the fixed box (7), and the two adjusting rods (8) are rotatably connected to driven wheels (9) through bearings, and the outer parts of the driving wheel (6) and the two driven wheels (9) are sleeved with sanding belts (10), and the inner cavity of the fixed box (7) is provided with a driving assembly.

2. A CNC belt grinder for scissors production according to claim 1, characterized in that: The driving assembly comprises a dual-axis motor (11), a screw rod (19) and a limit assembly. The dual-axis motor (11) is arranged in the middle of the inner cavity of the fixed box (7). The two screw rods (19) are respectively fixedly connected to the output ends of the dual-axis motor (11) and are respectively screwed to the outer walls of the two screw rods (19). The plurality of limit assemblies are all arranged on the inner wall of the fixed box (7) and are respectively fixedly connected to the outer walls of the two adjustment rods (8).

3. A CNC belt grinder for scissors production according to claim 2, characterized in that: The limiting assembly comprises a limiting groove (12) and a limiting block (13); the limiting groove (12) is formed on the inner wall of the fixed box (7); the limiting block (13) is slidably embedded in the inner cavity of the limiting groove (12) and is fixedly connected to the outer wall of the adjusting rod (8).

4. A CNC belt grinder for scissors production according to claim 3, characterized in that: The inner cavity of the limiting groove (12) and the outer wall of the limiting block (13) are matched and both are dovetail-shaped.

5. The CNC belt grinder for scissors production according to claim 1, characterized in that: The outer walls of the driving wheel (6) and the driven wheel (9) are both provided with placement grooves on their circumferences.

6. The CNC belt grinder for scissors production according to claim 1, characterized in that: The lifting assembly comprises a second motor (14), a worm (15), a screw (16), a worm wheel (17) and a moving cylinder (18); the second motor (14) is arranged at the right end of the casing (1); the output end of the second motor (14) extends to the inner cavity of the casing (1); one end of the worm (15) is rotatably connected to the left side of the inner cavity of the casing (1) through a bearing; the other end of the worm (15) is fixedly connected to the output end of the second motor (14); the screw (16) is rotatably connected to the bottom end of the inner cavity of the casing (1) through a bearing; the moving cylinder (18) is screwed to the outer wall of the screw (16) and fixedly connected to the bottom end of the machine platform (3); and the worm wheel (17) is fixedly sleeved on the outer wall of the screw (16).

7. A CNC belt grinder for scissors production according to claim 6, characterized in that: The worm wheel (17) is meshed with the worm (15).

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