Cutting equipment for metal pipe fittings of sports equipment

Abstract

The utility model relates to the technical field of cutting equipment, and discloses cutting equipment for sports equipment metal pipe fittings, which comprises a conveying support frame, a feeding device and a laser cutting device, the conveying support frame and the feeding device are matched to limit and convey the metal pipe fittings, and the metal pipe fittings are cut through the laser cutting device. A limiting groove is formed in the top of the conveying supporting frame, a limiting frame is further fixedly connected to the top of the conveying supporting frame, the axis of the limiting frame and the axis of the conveying supporting frame are collinear, and a through hole matched with the limiting groove is formed in the bottom of the limiting frame. According to the cutting equipment for the sports equipment metal pipe fitting, the rotating base is arranged at the top of the conveying supporting frame, the laser cutter supporting frame is driven by the rotating base to enable a laser cutter installed on the laser cutter supporting frame to move in an arc-shaped track, and therefore when the metal pipe fitting is cut, the laser cutter can be driven by the laser cutter supporting frame to move in the arc-shaped track; and the cut part of the metal pipe fitting is provided with an arc surface, so that a groove formed by the arc surface is attached to the outer surface of the metal pipe during welding.

Description

Technical Field

[0001] The utility model relates to the technical field of cutting equipment, in particular to a cutting device for metal pipe fittings of sports equipment. Background Art

[0002] Many sports equipment are made of welded metal pipes, such as the pull-up bars and parallel bars set up in community squares, and the welded metal pipes are cut from large pipes.

[0003] China Patent Publication No.: CN 215145806 U discloses "A laser cutting device for metal pipe fittings of sports equipment", which includes a laser cutting head, a fixing seat, a ring body, a ring gear, a guide sleeve, a motor 1, a driving gear, a ring groove, a mounting seat, a driven roller, a conveyor belt, a support block, a driving roller, a motor 2, a storage shell, a clamping roller 1, a clamping belt and a clamping roller 2.

[0004] The above-mentioned prior art has achieved reasonable and simple structure, low production cost, convenient installation and complete functions. As the pipe on the conveyor belt moves to the right, the pipe in the storage shell will fall onto the conveyor belt, thereby improving the efficiency of continuous cutting.

[0005] However, sports equipment needs to bear a certain weight when in use, and the ends of the metal pipes cut by the above-mentioned prior art are flat and smooth. During welding, the stress-bearing area is small, and a large amount of additive welding is required.

[0006] It can be seen that there is an urgent need for a cutting device for metal pipe fittings of sports equipment to improve the cross-section of metal pipe fittings when cutting and to improve the firmness of metal pipe fittings when welding. Summary of the invention

[0007] The purpose of the utility model is to provide a cutting device for metal pipes of sports equipment to solve the problems raised in the above background technology.

[0008] In order to solve the above technical problems, the utility model provides the following technical solutions: a cutting device for metal pipe fittings of sports equipment, comprising a conveying support frame, a feeding device and a laser cutting device, wherein the conveying support frame and the feeding device cooperate to limit and convey the metal pipe fittings, and the metal pipe fittings are cut by the laser cutting device, a limiting groove is provided on the top of the conveying support frame, and a limiting frame is fixedly connected to the top of the conveying support frame, the limiting frame is colinear with the axis of the conveying support frame, and a through hole matching the limiting groove is provided on the bottom of the limiting frame;

[0009] The feeding device comprises a support rod, the support rod spans across the two sides of the limiting groove, the support rod supports a roller connecting frame, a rotatable feeding roller is installed between the roller connecting frames, and a transmission motor is installed on the side of the roller connecting frame, the transmission motor drives the feeding roller, so that the feeding roller transmits the metal pipe fitting located in the limiting groove;

[0010] The laser cutting device includes a rotating base spanning a limiting groove, a laser cutter support frame is installed on the top of the rotating base, the laser cutter support frame is driven by power to move in an arc trajectory, and a laser cutter is installed at the end of the laser cutter support frame to cut metal pipes.

[0011] Preferably, a cutting groove is also provided on the top of the conveying support frame, and the cutting groove is located directly below the laser cutter, and the cutting groove is an arc-shaped through-limiting groove.

[0012] Preferably, there are two laser cutting devices, which are respectively installed on the left side of the limiting frame and the left side of the rotating base.

[0013] Preferably, the transmission motors installed on the two laser cutting devices are connected to a controller, and a PLC control board is arranged inside the rotating base.

[0014] Preferably, an arc-shaped groove is provided on the outer surface of the feed roller shaft, and a rubber pad is provided on the inner wall of the arc-shaped groove.

[0015] Preferably, the roller connecting frame is in an inverted T-shape, the support rod is connected to both sides of the T-shape of the roller connecting frame, and the feeding roller is connected to the middle of the T-shape of the roller connecting frame.

[0016] Preferably, the top of the support rod is fixedly connected to a limit baffle, the roller shaft connecting frame is movably connected to the outer surface of the support rod, the outer surface of the support rod is sleeved with an elastic member, and the elastic member is located between the roller shaft connecting frame and the limit baffle.

[0017] Compared with the prior art, the beneficial effects achieved by the utility model are:

[0018] First, the utility model sets a rotating base on the top of the conveying support frame, and drives the laser cutter support frame through the rotating base to make the laser cutter installed on the laser cutter support frame move in an arc track, so that when cutting the metal pipe fitting, the cut part of the metal pipe fitting has an arc surface, so that when welding, the groove formed by the arc surface fits with the outer surface of the metal pipe, without adding material for welding, so as to improve the welding strength and reduce the welding process.

[0019] Second, the utility model supports the roller connecting frame by arranging support rods on both sides of the limit groove, and enables the roller connecting frame to move up and down along the support rods as the movable axis, and applies downward pressure to the roller connecting frame through elastic parts, so that when the metal pipes are transported, they can adapt to metal pipes of different diameters, thereby achieving the effect of improving adaptability. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the structure of the utility model;

[0021] Figure 2 This is a side view of the structure of the utility model;

[0022] Figure 3 This is a top view of the structure of the utility model;

[0023] Figure 4 This is a schematic diagram of the structure of the feeding device of the utility model;

[0024] Figure 5 This is a schematic diagram of welding metal pipe fittings after cutting in the utility model.

[0025] Among them: 1. Conveying support frame; 101. Limiting groove; 102. Limiting frame; 103. Cutting groove; 2. Feeding device; 201. Support rod; 202. Limiting baffle; 203. Roller connecting frame; 204. Feeding roller; 205. Transmission motor; 206. Elastic part; 3. Laser cutting device; 301. Rotating base; 302. Laser cutter support frame; 303. Laser cutter. DETAILED DESCRIPTION

[0026] 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 technicians in this field without creative work are within the scope of protection of the utility model.

[0027] See also Figure 1-4 , a cutting device for metal pipes of sports equipment, comprising a conveying support frame 1, a feeding device 2 and a laser cutting device 3, the conveying support frame 1 and the feeding device 2 cooperate to limit and convey the metal pipes, and cut them by the laser cutting device 3, the top of the conveying support frame 1 is provided with a limiting groove 101, which is used to prevent the metal pipes from deviating from the conveying track, the top of the conveying support frame 1 is also fixedly connected with a limiting frame 102, the limiting frame 102 is colinear with the axis of the conveying support frame 1, and the bottom of the limiting frame 102 is provided with a through hole adapted to the limiting groove 101;

[0028] The feeding device 2 includes a support rod 201, the support rod 201 spans across the two sides of the limiting groove 101, and a roller connecting frame 203 is supported on the support rod 201. A rotatable feeding roller 204 is installed between the roller connecting frames 203, and a transmission motor 205 is installed on the side of the roller connecting frame 203. The transmission motor 205 drives the feeding roller 204, so that the feeding roller 204 can convey the metal pipe fittings located in the limiting groove 101;

[0029] The laser cutting device 3 includes a rotating base 301 spanning the limiting groove 101, and a laser cutter support frame 302 is installed on the top of the rotating base 301. The laser cutter support frame 302 is driven by power to move in an arc trajectory. Its specific structure is the same as that of an industrial robot arm. A laser cutter 303 is installed at the end of the laser cutter support frame 302 to cut metal pipes, and the laser cutter 303 is powered by an external power supply.

[0030] Through the above technical solution, a rotating base 301 is arranged on the top of the conveying support frame 1, and the rotating base 301 drives the laser cutter support frame 302 to make the laser cutter 303 installed on the laser cutter support frame 302 move in an arc track, so that when cutting the metal pipe fitting, the cut part of the metal pipe fitting has an arc surface, so that when welding, the groove formed by the arc surface fits with the outer surface of the metal pipe, and no additional material welding is required, so as to improve the welding strength and reduce the welding process. Figure 5 shown.

[0031] Specifically, a cutting groove 103 is further provided on the top of the conveying support frame 1 . The cutting groove 103 is located directly below the laser cutter 303 , and the cutting groove 103 is an arc-shaped groove that penetrates the limiting groove 101 .

[0032] Through the above technical solution, the provided cutting groove 103 is used to protect the conveying support frame 1, thereby preventing the laser from damaging the surface of the conveying support frame 1 when the laser cutter 303 cuts the metal pipe, and is also used to collect metal debris.

[0033] Specifically, there are two laser cutting devices 3 , which are respectively installed on the left side of the limiting frame 102 and the left side of the rotating base 301 .

[0034] Through the above technical solution, the purpose of setting up two laser cutting devices 3 is to respectively transmit the metal pipe raw materials and the metal pipes after cutting, improve the degree of automation, reduce manual intervention and improve safety.

[0035] Specifically, the transmission motors 205 installed on the two laser cutting devices 3 are connected to a controller, and a PLC control board is arranged inside the rotating base 301 .

[0036] Through the above technical solution, the controller is used to control the transmission motor 205, so that the transmission motor 205 can be accurately controlled to work, so that the transmission motor 205 drives the feeding roller 204 to transmit the set length of the metal pipe. In order to cooperate with the controller, the transmission motor 205 is a servo motor.

[0037] Specifically, an arc groove is provided on the outer surface of the feeding roller shaft 204, and a rubber pad is provided on the inner wall of the arc groove.

[0038] Through the above technical solution, an arc groove is set on the outer surface of the feed roller 204 to increase the contact area with the outer surface of the metal pipe, and a rubber pad is set on the inner wall of the arc groove to increase the friction between the feed roller 204 and the outer surface of the metal pipe, thereby improving the accuracy of the feed roller 204 in transmitting the metal pipe.

[0039] Specifically, the roller connecting frame 203 is in an inverted T shape, the support rod 201 is connected to both sides of the T-shape of the roller connecting frame 203, and the feeding roller 204 is connected to the middle of the T-shape of the roller connecting frame 203.

[0040] Through the above technical solution, the roller connecting frame 203 is set to an inverted T shape, so that the two sides of the roller connecting frame 203 are conveniently connected by the support rod 201, and the middle part is used to facilitate the installation of the feeding roller 204 and the transmission motor 205.

[0041] Specifically, the top of the support rod 201 is fixedly connected to the limit baffle 202, the roller connecting frame 203 is movably connected to the outer surface of the support rod 201, and the outer surface of the support rod 201 is sleeved with an elastic member 206, which is located between the roller connecting frame 203 and the limit baffle 202.

[0042] Through the above technical solution, support rods 201 are arranged on both sides of the limit groove 101 to support the roller connecting frame 203, and the roller connecting frame 203 can move up and down along the support rods 201 as the movable axis, and downward pressure is applied to the roller connecting frame 203 through the elastic member 206, so that when the metal pipe fittings are conveyed, the feeding roller 204 can adapt to the metal pipe fittings of different diameters, thereby achieving the effect of improving adaptability.

[0043] When in use, the cutting of metal pipes is completed by the following steps:

[0044] S1, manually inserting a long metal pipe from the limiting groove 101 at one end of the conveying support frame 1 and passing through the bottom of the limiting frame 102 to contact the feeding roller shaft 204;

[0045] S2, synchronously start the two transmission motors 205 to make the two feeding rollers 204 rotate synchronously to transmit the metal pipe so that the metal pipe is located below the laser cutter 303 according to the set length;

[0046] S3, when the metal pipe has been transmitted over a set length, all transmission motors 205 are stopped;

[0047] S4, when the transmission motor 205 stops, the rotating base 301 drives the laser cutter support frame 302 to start rotating, and the laser cutter 303 starts to work and cut while the laser cutter support frame 302 rotates;

[0048] S5. After the laser cutter 303 completes the cutting work, the laser cutter 303 stops to cool down briefly, and the transmission motor 205 works again to respectively convey the cut metal pipe to the equipment and convey the subsequent pipe to the bottom of the laser cutter 303;

[0049] S6. Repeat steps S2 to S5 until the metal pipes are used up and then proceed to step S1 to add raw materials.

[0050] 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 cutting device for metal pipes of sports equipment, comprising a conveying support frame (1), a feeding device (2) and a laser cutting device (3), wherein the conveying support frame (1) and the feeding device (2) cooperate to limit and convey the metal pipes, and the laser cutting device (3) performs cutting, characterized in that: The top of the conveying support frame (1) is provided with a limiting groove (101), the top of the conveying support frame (1) is also fixedly connected to a limiting frame (102), the limiting frame (102) and the axis of the conveying support frame (1) are colinear, and the bottom of the limiting frame (102) is provided with a through hole that is compatible with the limiting groove (101); The feeding device (2) comprises a support rod (201), the support rod (201) spanning across two sides of the limiting groove (101), a roller connecting frame (203) supported on the support rod (201), a rotatable feeding roller (204) installed between the roller connecting frames (203), a transmission motor (205) installed on the side of the roller connecting frame (203), the transmission motor (205) driving the feeding roller (204), so that the feeding roller (204) conveys the metal pipe fitting located in the limiting groove (101); The laser cutting device (3) comprises a rotating base (301) spanning the limiting groove (101), a laser cutter support frame (302) being installed on the top of the rotating base (301), the laser cutter support frame (302) being driven by power to move in an arc track, and a laser cutter (303) being installed at the end of the laser cutter support frame (302) for cutting metal pipe fittings.

2. The cutting device for metal pipes of sports equipment according to claim 1, characterized in that: A cutting groove (103) is also provided on the top of the conveying support frame (1), wherein the cutting groove (103) is located directly below the laser cutter (303), and the cutting groove (103) is an arc-shaped groove that penetrates the limiting groove (101).

3. The cutting device for metal pipes of sports equipment according to claim 1, characterized in that: The number of the laser cutting devices (3) is two, and the two laser cutting devices (3) are respectively installed on the left side of the limiting frame (102) and the left side of the rotating base (301).

4. The cutting device for metal pipes of sports equipment according to claim 1, characterized in that: The transmission motors (205) installed on the two laser cutting devices (3) are connected to a controller, and a PLC control panel is arranged inside the rotating base (301).

5. The cutting device for metal pipes of sports equipment according to claim 1, characterized in that: The outer surface of the feeding roller shaft (204) is provided with an arc-shaped groove, and the inner wall of the arc-shaped groove is provided with a rubber pad.

6. The cutting device for metal pipes of sports equipment according to claim 1, characterized in that: The roller connecting frame (203) is in an inverted T-shape, the support rod (201) is connected to both sides of the T-shape of the roller connecting frame (203), and the feeding roller (204) is connected to the middle of the T-shape of the roller connecting frame (203).

7. The cutting device for metal pipes of sports equipment according to claim 6, characterized in that: The top of the support rod (201) is fixedly connected to a limit baffle (202); the roller shaft connecting frame (203) is movably connected to the outer surface of the support rod (201); an elastic member (206) is sleeved on the outer surface of the support rod (201); and the elastic member (206) is located between the roller shaft connecting frame (203) and the limit baffle (202).

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