Pipe cutting device

Abstract

The utility model discloses a pipe cutting device, which belongs to the technical field of bearing ring production, and comprises a base plate, a pipe cutting assembly and an adjusting assembly; the pipe cutting assembly is arranged on the base plate; the pipe cutting assembly comprises a fixed plate, a limit plate, a support plate, a servo motor, a cam, a movable plate, a T-type transmission rod, a spring, an extrusion block and a bearing ring cutter; the fixed plate is fixedly arranged on the base plate; the limit plate is fixedly arranged on the base plate; at least one support plate is fixedly arranged on the base plate and arranged between the fixed plate and the limit plate; the servo motor is connected to the fixed plate; the cam is sleeved on the output shaft of the servo motor; the movable plate is connected to the fixed plate through the adjusting assembly; the T-type transmission rod is penetrated on the movable plate; the spring is sleeved on the T-type transmission rod, and the two ends of the spring are respectively fixedly connected to the movable plate and the T-type transmission rod; the extrusion block is fixedly arranged on the T-type transmission rod; the bearing ring cutter is connected to the T-type transmission rod. The pipe cutting device can realize continuous cutting of the bearing ring raw material, and greatly improves the cutting efficiency.

Description

Technical Field

[0001] The utility model belongs to the technical field of bearing ring production, in particular to a pipe cutting device. Background Art

[0002] Bearings are an important component in contemporary mechanical equipment. Their main function is to support mechanical rotating bodies, reduce the friction coefficient during their movement, and ensure their rotation accuracy. Bearing rings are annular parts of radial rolling bearings with one or more raceways.

[0003] When producing bearing rings, a tube cutting device is required to cut the raw materials of the bearing rings. However, in the prior art, most tube cutting devices first fix the raw materials of the bearing rings and then cut them. This makes it difficult to continuously cut the raw tubes of the bearing rings, which reduces the cutting efficiency of the raw materials of the bearing rings and affects the use effect of the tube cutting device. Utility Model Content

[0004] The utility model aims to provide a pipe cutting device to solve the problems raised in the background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a pipe cutting device, comprising a base plate, a pipe cutting assembly and an adjusting assembly; the pipe cutting assembly is arranged on the base plate; wherein the pipe cutting assembly comprises a fixed plate, a limit plate, a support plate, a servo motor, a cam, a movable plate, a T-type transmission rod, a spring, an extrusion block and a bearing ring cutter; the fixed plate is fixedly arranged on the base plate; the limit plate is fixedly arranged on the base plate; at least one of the support plates is fixedly arranged on the base plate and arranged between the fixed plate and the limit plate; the servo motor is connected to the fixed plate by bolts; the cam is sleeved on the output shaft of the servo motor; the movable plate is connected to the fixed plate by an adjusting assembly; the T-type transmission rod is passed through the movable plate; the spring is sleeved on the T-type transmission rod, and the two ends of the spring are respectively fixedly connected to the movable plate and the T-type transmission rod; the extrusion block is fixedly arranged on the T-type transmission rod; the bearing ring cutter is connected to the T-type transmission rod by bolts.

[0006] As a preferred embodiment, the top surface of the limiting plate is an arc surface, and the lowest end of the arc surface of the limiting plate and the lowest end of the through hole groove of the supporting plate are in the same straight line.

[0007] As a preferred embodiment, the extrusion block is in an arc-shaped structure, and the arc-shaped surface of the extrusion block is in sliding contact with the cam surface.

[0008] As a preferred embodiment, the adjustment assembly includes a guide rod and a screw rod; the guide rod is passed through the movable plate, and the end of the guide rod is fixedly connected to the fixed plate; the screw rod is passed through the movable plate, and the end of the screw rod is connected to the fixed plate through a limiting assembly.

[0009] As a preferred embodiment, the screw rod is threadedly connected to the movable plate.

[0010] As a preferred embodiment, the limit assembly includes a limit slot and a ball connecting rod; the fixed plate is provided with a limit slot on one side close to the movable plate; the ball connecting rod is fixedly connected to the end of the screw rod; wherein the ball connecting rod is rotationally matched with the limit slot.

[0011] As a preferred embodiment, more than half of the volume of the ball head end of the ball head connecting rod is located in the limiting groove.

[0012] Compared with the prior art, the technical effects and advantages of the utility model are as follows:

[0013] The tube cutting device is provided with a tube cutting assembly. When in use, the raw material tube of the bearing ring is passed through the through hole groove of the support plate and placed on the top surface of the limit plate. Then, the raw material tube of the bearing ring is conveyed by a conveying mechanism (not shown in the figure) to move the raw material tube of the bearing ring until the end of the raw material tube of the bearing ring contacts the fixed plate. At this time, the servo motor is started to rotate the output shaft of the servo motor, so that the cam rotates, so that the raised part of the cam squeezes the arc surface of the squeezing block, so that the T-shaped transmission rod moves downward on the movable plate, so that the spring is contracted by force, so that the bearing ring cutter moves downward, and the bearing ring is cut. The ring raw material tube is cut until the cam protrusion is no longer in contact with the arc surface of the extrusion block. At this time, the spring is no longer under stress and begins to stretch, causing the T-type transmission rod to move upward on the movable plate, causing the bearing ring cutter to move upward until the spring returns to its original shape. At this time, the bearing ring cutter is no longer in contact with the bearing ring raw material tube. At this time, the bearing ring raw material tube will move, causing the end of the bearing ring raw material tube to contact the fixed plate again, causing the bearing ring cutter to move downward again, and this is repeated. The structural layout of the utility model is simple and reasonable, and can realize continuous cutting of the bearing ring raw material tube, which is worthy of promotion.

[0014] The pipe cutting device is provided with a guide rod and a screw rod. Before use, first, according to the required bearing ring size, the rotating wheel on the screw rod is rotated to make the screw rod rotate through the limit assembly, so that the screw rod is threadedly connected with the movable plate, so that the movable plate drives the bearing ring cutter to move, the extrusion block slides on the cam surface, and the movable plate rotates on the guide rod until the bearing ring cutter moves to a suitable position.

[0015] The pipe cutting device is provided with a limiting groove and a ball head connecting rod, and utilizes the rotational cooperation between the ball head connecting rod and the limiting groove so that the force generated by the rotation of the screw rod can be converted into the force for the lateral movement of the movable plate, so that more than half of the volume of the ball head end of the ball head connecting rod is located in the limiting groove, so as to facilitate limiting the position of the ball head connecting rod and prevent the ball head connecting rod from being separated from the cooperation with the limiting groove. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the specific implementation methods of the utility model or the technical solutions in the prior art, the drawings required for use in the specific implementation methods or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some implementation methods of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 It is a cross-sectional view of the overall structure of the utility model;

[0019] Figure 3 It is a partial structural split cross-sectional view of the utility model;

[0020] Figure 4 For the utility model Figure 2 Enlarged schematic diagram at point A in the middle.

[0021] Description of reference numerals:

[0022] In the figure:

[0023] 1. Bottom plate; 2. Pipe cutting assembly; 3. Adjustment assembly; 4. Limiting assembly;

[0024] 201, fixed plate; 202, limit plate; 203, support plate; 204, servo motor; 205, cam; 206, movable plate; 207, T-type transmission rod; 208, spring; 209, extrusion block; 210, bearing ring cutter;

[0025] 301, guide rod; 302, screw rod;

[0026] 401, limiting groove; 402, ball head connecting rod. DETAILED DESCRIPTION

[0027] In the following description, a large number of specific details are given to provide a more thorough understanding of the utility model. However, it is obvious to those skilled in the art that the utility model can be implemented without one or more of these details. In other examples, in order to avoid confusion with the utility model, some technical features known in the art are not described.

[0028] Unless otherwise defined, the directions of up, down, left, right, front, back, inside and outside involved in this document are based on the directions of up, down, left, right, front, back, inside and outside in the figures shown in the present utility model, and are explained here together.

[0029] The connection method can be bonding, welding, bolt connection, etc., depending on actual needs.

[0030] See also Figures 1 to 4 As shown, this embodiment includes a base plate 1, a pipe cutting assembly 2 and an adjustment assembly 3;

[0031] The pipe cutting assembly 2 is arranged on the bottom plate 1; wherein the pipe cutting assembly 2 includes a fixed plate 201, a limiting plate 202, a supporting plate 203, a servo motor 204, a cam 205, a movable plate 206, a T-shaped transmission rod 207, a spring 208, an extrusion block 209 and a bearing ring cutter 210; the fixed plate 201 is fixed on the bottom plate 1; the limiting plate 202 is fixed on the bottom plate 1; two supporting plates 203 are fixed on the bottom plate 1 in a linear array and are arranged between the fixed plate 201 and the limiting plate 202; wherein the top surface of the limiting plate 202 is an arc surface, and the lowest end of the arc surface of the limiting plate 202 is on the same straight line as the lowest end of the through hole groove of the supporting plate 203, so as to facilitate the original bearing ring The material is in a horizontal state; the servo motor 204 is connected to the fixed plate 201 by bolts; the cam 205 is sleeved on the output shaft of the servo motor 204; the movable plate 206 is connected to the fixed plate 201 through the adjustment component 3; the T-type transmission rod 207 is passed through the movable plate 206; the spring 208 is sleeved on the T-type transmission rod 207, and the two ends of the spring 208 are respectively fixedly connected to the movable plate 206 and the T-type transmission rod 207; the extrusion block 209 is fixed on the T-type transmission rod 207; wherein the extrusion block 209 is an arc-shaped structure, and the arc-shaped surface of the extrusion block 209 is in sliding contact with the surface of the cam 205; the bearing ring cutter 210 is connected to the T-type transmission rod 207 by bolts.

[0032] The utility model is provided with a tube cutting assembly 2. When in use, the raw material tube of the bearing ring is passed through the through hole groove of the support plate 203 and placed on the top surface of the limit plate 202. Then, the raw material tube of the bearing ring is conveyed by a conveying mechanism (not shown in the figure) to move the raw material tube of the bearing ring until the end of the raw material tube of the bearing ring contacts the fixed plate 201. At this time, the servo motor 204 is started to rotate the output shaft of the servo motor 204, so that the cam 205 rotates, so that the raised part of the cam 205 squeezes the arc surface of the squeezing block 209, so that the T-shaped transmission rod 207 moves downward on the movable plate 206, so that the spring 208 is forced to contract, so that the bearing ring cutter 210 moves downward, and The bearing ring raw material tube is cut until the raised part of the cam 205 is no longer in contact with the arc surface of the extrusion block 209. At this time, the spring 208 is no longer under force and begins to stretch, so that the T-type transmission rod 207 moves upward on the movable plate 206, and the bearing ring cutter 210 moves upward until the spring 208 returns to its original shape. At this time, the bearing ring cutter 210 is no longer in contact with the bearing ring raw material tube. At this time, the bearing ring raw material tube will move, so that the end of the bearing ring raw material tube will contact the fixed plate 201 again, and the bearing ring cutter 210 will move downward again. This is repeated. The structural layout of the utility model is simple and reasonable, and can realize continuous cutting of the bearing ring raw material tube, which is worthy of promotion.

[0033] As a preferred embodiment, the adjustment component 3 includes a guide rod 301 and a screw rod 302; the guide rod 301 is passed through the movable plate 206, and the end of the guide rod 301 is fixedly connected to the fixed plate 201; the screw rod 302 is passed through the movable plate 206, and the end of the screw rod 302 is connected to the fixed plate 201 through the limiting component 4; wherein, the screw rod 302 is threadedly connected to the movable plate 206.

[0034] The utility model is provided with a guide rod 301 and a screw rod 302. Before use, first, according to the required bearing ring size, the rotating wheel on the screw rod 302 is rotated to make the screw rod 302 rotate through the limit assembly 4, so that the screw rod 302 is threadedly connected with the movable plate 206, so that the movable plate 206 drives the bearing ring cutter 210 to move, the extrusion block 209 slides on the surface of the cam 205, and the movable plate 206 rotates on the guide rod 301 until the bearing ring cutter 210 moves to a suitable position.

[0035] As a preferred embodiment, the limiting assembly 4 includes a limiting groove 401 and a ball head connecting rod 402; a limiting groove 401 is provided on the side of the fixed plate 201 close to the movable plate 206; the ball head connecting rod 402 is fixedly connected to the end of the screw rod 302; wherein the ball head connecting rod 402 and the limiting groove 401 are rotatably matched; wherein more than half of the volume of the ball head end of the ball head connecting rod 402 is located in the limiting groove 401; when the movable plate 206 contacts the fixed plate 201 or the movable plate 206 contacts the rotating wheel on the screw rod 302, the extrusion block 209 is still in contact with the surface of the cam 205.

[0036] The utility model sets a limit groove 401 and a ball head connecting rod 402, and utilizes the rotational cooperation between the ball head connecting rod 402 and the limit groove 401, so that the force generated by the rotation of the screw rod 302 can be converted into a force for the lateral movement of the movable plate 206, and more than half of the volume of the ball head end of the ball head connecting rod 402 is located in the limit groove 401, so as to facilitate the limitation of the position of the ball head connecting rod 402 and prevent the ball head connecting rod 402 from being separated from the limit groove 401.

[0037] The servo motor 204 is a conventional instrument, and its working principle, size and model are irrelevant to the problem solved by the present application, so no further description is given. The control method of the present invention is controlled by a controller, and the control circuit of the controller can be realized by simple programming by technicians in this field. The provision of power is also common knowledge in this field, and the present invention is mainly used to protect mechanical devices, so the present invention will no longer explain the control method and circuit connection in detail.

[0038] How it works

[0039] Before using the pipe cutting device, first, according to the required bearing ring size, the rotating wheel on the screw rod 302 is rotated to rotate the screw rod 302, so that the ball head connecting rod 402 rotates in the limiting groove 401, the screw rod 302 is threadedly connected with the movable plate 206, the movable plate 206 drives the bearing ring cutter 210 to move, the extrusion block 209 slides on the surface of the cam 205, and the movable plate 206 rotates on the guide rod 301 until the bearing ring cutter 210 moves to a suitable position;

[0040] When in use, the bearing ring raw material tube is passed through the through hole groove of the support plate 203 and placed on the top surface of the limit plate 202. Then, the bearing ring raw material tube is conveyed by a conveying mechanism (not shown in the figure) to move the bearing ring raw material tube until the end of the bearing ring raw material tube contacts the fixed plate 201. At this time, the servo motor 204 is started to rotate the output shaft of the servo motor 204, so that the cam 205 rotates, so that the raised part of the cam 205 squeezes the arc surface of the squeezing block 209, so that the T-shaped transmission rod 207 moves downward on the movable plate 206, so that the spring 208 is forced to contract, and the bearing ring cutter 210 moves downward. , and cut the bearing ring raw material tube until the raised part of the cam 205 is no longer in contact with the arc surface of the extrusion block 209. At this time, the spring 208 is no longer under force and begins to stretch, so that the T-type transmission rod 207 moves upward on the movable plate 206, and the bearing ring cutter 210 moves upward until the spring 208 returns to its original shape. At this time, the bearing ring cutter 210 is no longer in contact with the bearing ring raw material tube. At this time, the bearing ring raw material tube will move, so that the end of the bearing ring raw material tube will contact the fixed plate 201 again, so that the bearing ring cutter 210 will move downward again, and this is repeated to achieve continuous cutting of the bearing ring raw material tube.

[0041] It should be noted that, in this article, relational terms such as one and two are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions. The sentence "includes an element defined by ... does not exclude the existence of other identical elements in the process, method, article or device including the element".

[0042] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe cutting device, characterized in that: include: Bottom plate (1); A pipe cutting assembly (2) is arranged on the bottom plate (1); The pipe cutting assembly (2) comprises a fixed plate (201), a limiting plate (202), a supporting plate (203), a servo motor (204), a cam (205), a movable plate (206), a T-shaped transmission rod (207), a spring (208), an extrusion block (209) and a bearing ring cutter (210); the fixed plate (201) is fixedly mounted on the bottom plate (1); the limiting plate (202) is fixedly mounted on the bottom plate (1); at least one supporting plate (203) is fixedly mounted on the bottom plate (1) and is arranged between the fixed plate (201) and the limiting plate (202); the servo motor (204) is connected to the fixed plate by bolts. (201); the cam (205) is sleeved on the output shaft of the servo motor (204); the movable plate (206) is connected to the fixed plate (201) through the adjustment component (3); the T-shaped transmission rod (207) is passed through the movable plate (206); the spring (208) is sleeved on the T-shaped transmission rod (207), and the two ends of the spring (208) are respectively fixedly connected to the movable plate (206) and the T-shaped transmission rod (207); the extrusion block (209) is fixedly mounted on the T-shaped transmission rod (207); the bearing ring cutter (210) is connected to the T-shaped transmission rod (207) through bolts.

2. A pipe cutting device according to claim 1, characterized in that: The top surface of the limiting plate (202) is an arc surface, and the lowest end of the arc surface of the limiting plate (202) and the lowest end of the through hole groove of the support plate (203) are on the same straight line.

3. A pipe cutting device according to claim 1, characterized in that: The extrusion block (209) has an arc-shaped structure, and the arc-shaped surface of the extrusion block (209) is in sliding contact with the surface of the cam (205).

4. A pipe cutting device according to claim 1, characterized in that: The regulating component (3) comprises: A guide rod (301) is passed through the movable plate (206), and an end of the guide rod (301) is fixedly connected to the fixed plate (201); The screw rod (302) is passed through the movable plate (206), and the end of the screw rod (302) is connected to the fixed plate (201) via a limiting assembly (4).

5. A pipe cutting device according to claim 4, characterized in that: The screw rod (302) is threadedly connected to the movable plate (206).

6. A pipe cutting device according to claim 5, characterized in that: The limiting component (4) comprises: The fixed plate (201) is provided with a limiting groove (401) on one side close to the movable plate (206); A ball-end connecting rod (402) fixedly connected to the end of the screw rod (302); Wherein, the ball head connecting rod (402) is rotationally matched with the limiting groove (401).

7. A pipe cutting device according to claim 6, characterized in that: More than half of the volume of the ball head end of the ball head connecting rod (402) is located in the limiting groove (401).

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