Tool clamp for circular tube laser cutting machine

Abstract

The utility model discloses a work fixture for a circular tube laser cutting machine, which comprises a support, the support comprises side plates arranged on two sides, a cross beam is arranged at the tops of the two side plates, and a cutting head is arranged on the cross beam in a sliding manner; a driving rotating shaft and a driven rotating shaft are arranged at the lower end between the two side plates in parallel at intervals, a plurality of transmission rollers are arranged on the driving rotating shaft and the driven rotating shaft respectively, the driving rotating shaft and the driven rotating shaft are used for supporting the circular pipe, and the transmission rollers are in transmission fit with the circular pipe; a sliding rod is further arranged at the lower end between the two side plates, the two ends of the sliding rod are each provided with a round pipe positioning device, each round pipe positioning device comprises a rotating and vertically-arranged vertical rod, and the vertical rods conduct axial positioning on the round pipes. The circular steel pipe clamping device can facilitate fixed clamping of a circular steel pipe, is convenient to machine and high in machining precision, and further facilitates feeding and discharging of the circular pipe.

Description

Technical Field

[0001] The utility model relates to a fixture for a circular tube laser cutting machine, belonging to the technical field of circular tube laser cutting. Background Technique

[0002] A laser cutting machine is a machine device that uses the energy released by a laser beam. By irradiating the laser beam on the surface of the workpiece to be processed, the irradiated part of the workpiece is melted and evaporated, so as to achieve the purpose of cutting. Due to its advantages of high processing efficiency, low processing cost, and guaranteed workpiece quality, it is widely used in the processing field of metal or non-metal materials and gradually replaces traditional cutting tools as the future development trend. A pipeline is an important tool for liquid transportation. In order to facilitate transportation and installation, a laser cutting machine is used to cut the pipeline into equidistant pipes according to specifications.

[0003] However, in the process of processing some circular steel pipes with a laser cutting machine, it is necessary to cut the circular side of the steel pipe. The existing laser cutting machine is more inconvenient in such processing, mainly because it is difficult to obtain a better fixing effect for the circular steel pipe and it is not convenient for loading and unloading.

[0004] In summary, it is obvious that there are inconveniences and defects in the actual use of the existing technology, so it is necessary to improve it. Content of the Utility Model

[0005] Aiming at the deficiencies in the background technique, the utility model provides a fixture for a circular tube laser cutting machine, which can facilitate the clamping and fixing of circular steel pipes, is convenient for processing and has high processing accuracy. In addition, it is also convenient for loading and unloading of circular tubes.

[0006] To solve the above technical problems, the utility model adopts the following technical solutions:

[0007] A fixture for a circular tube laser cutting machine includes a bracket. The bracket includes side plates arranged on both sides. Cross beams are provided at the tops of the two side plates, and a cutting head is slidably arranged on the cross beam;

[0008] An active rotating shaft and a driven rotating shaft are arranged in parallel at intervals at the lower end between the two side plates. A plurality of transmission rollers are respectively arranged on the active rotating shaft and the driven rotating shaft. The active rotating shaft and the driven rotating shaft are used to support the circular tube, and the transmission rollers are in transmission cooperation with the circular tube;

[0009] A sliding rod is further arranged at the lower end between the two side plates. A circular tube positioning device is arranged at each end of the sliding rod. The circular tube positioning device includes a vertically arranged standing rod that rotates and axially positions the circular tube.

[0010] Furthermore, a synchronous motor is installed on one of the side plates, and the rotating shaft of the synchronous motor is connected to the active rotating shaft.

[0011] Further, the circular tube positioning device includes a positioning plate which is slidably mounted on a sliding rod, and the vertical rod is vertically rotatably mounted on the positioning plate.

[0012] Further, the positioning plate of one of the circular tube positioning devices is fixedly mounted on the sliding rod with adjustable position; the other circular tube positioning device is slidably mounted on the sliding rod, and the positioning plate of the other circular tube positioning device is driven by a cylinder to move back and forth.

[0013] Further, a push plate is fixed to the end of the telescopic rod of the cylinder, a connecting rod is mounted on the positioning plate of the other circular tube positioning device, the connecting rod is slidably mounted on the push plate, and a compression spring is sleeved outside the connecting rod.

[0014] Further, a bottom plate is provided at the bottom between the two side plates, a vertical plate is vertically fixed to one side of the bottom plate, a support plate is hingedly mounted on the outside of the vertical plate, a feeding cylinder is mounted at the bottom of the support plate, the bottom end of the feeding cylinder is hinged to the bottom plate, and the upper end is hinged to the bottom of the support plate.

[0015] Further, a discharging cylinder is vertically mounted on one side of the upper surface of the bottom plate close to the driving rotating shaft.

[0016] After the present utility model adopts the above technical solutions, compared with the prior art, it has the following advantages:

[0017] 1. A plurality of transmission rollers are respectively provided on the driving rotating shaft and the driven rotating shaft. When the cutting head performs cutting, the transmission rollers drive the circular tube to rotate; a circular tube positioning device is provided at each end of the circular tube. The circular tube positioning device on one side is fixedly arranged to play a role in positioning one side of the circular tube, and the circular tube positioning device at the other end can be slidably arranged by being driven by a cylinder, so that the fixing and clamping of the circular steel pipe can be facilitated, the processing is convenient and the processing accuracy is high.

[0018] 2. A support plate is hingedly mounted on the outside of the vertical plate 17. During feeding, the feeding cylinder can push the support plate to rotate obliquely upward, and the circular tube rolls between the driving rotating shaft and the driven rotating shaft. After processing is completed, the discharging cylinder jacks up to make the circular tube roll down to complete discharging, so that automatic loading and unloading can be realized.

[0019] The present utility model will be described in detail below with reference to the drawings and embodiments. Description of the Drawings

[0020] Figure 1 is a three-dimensional structural schematic diagram of the present utility model;

[0021] Figure 2 is Figure 1 an enlarged schematic diagram of part A in

[0022] Figure 3It is the side view of the present utility model;

[0023] Figure 4 is Figure 3 the sectional view of.

[0024] In the figure,

[0025] 1 - bracket, 2 - cross beam, 3 - cutting head, 4 - support plate, 5 - circular tube, 6 - active rotating shaft, 7 - driven rotating shaft, 8 - synchronous motor, 9 - positioning plate, 10 - vertical rod, 11 - sliding rod, 12 - cylinder, 13 - push plate, 14 - connecting rod, 15 - unloading cylinder, 16 - loading cylinder, 17 - vertical plate, 18 - driving roller. Specific embodiments

[0026] For a clearer understanding of the technical features, objectives, and effects of the present utility model, the specific embodiments of the present utility model will now be described with reference to the accompanying drawings.

[0027] As Figures 1-4 shown, the present utility model provides a tooling fixture for a circular tube laser cutting machine, including a bracket 1. The bracket 1 includes side plates arranged on both sides, and a cross beam 2 is provided at the top of the two side plates. A cutting head 3 is slidably arranged on the cross beam.

[0028] An active rotating shaft 6 and a driven rotating shaft 7 are arranged in parallel at intervals at the lower end between the two side plates. A plurality of driving rollers 18 are respectively arranged on the active rotating shaft 6 and the driven rotating shaft 7. The active rotating shaft 6 and the driven rotating shaft 7 are used to support the circular tube 5, and the driving rollers 18 are in driving cooperation with the circular tube 5.

[0029] A sliding rod 11 is further provided at the lower end between the two side plates. A circular tube positioning device is arranged at each end of the sliding rod 11. The circular tube positioning device includes a vertically arranged vertical rod 10 that rotates, and the vertical rod 10 positions the circular tube 5 axially.

[0030] A synchronous motor 8 is installed on one of the side plates, and the rotating shaft of the synchronous motor 8 is connected to the active rotating shaft 6.

[0031] The circular tube positioning device includes a positioning plate 9. The positioning plate 9 is slidably installed on the sliding rod 11, and the vertical rod 10 is vertically and rotatably installed on the positioning plate 9.

[0032] The positioning plate 9 of one of the circular tube positioning devices is fixedly arranged on the sliding rod 11 with adjustable position; the other circular tube positioning device is slidably installed on the sliding rod 11, and the positioning plate 9 of the other circular tube positioning device is driven to move back and forth by a cylinder 12.

[0033] A push plate 13 is fixed to the end of the telescopic rod of the cylinder 12. A connecting rod 14 is installed on the positioning plate 9 of another circular tube positioning device. The connecting rod 14 is slidably installed on the push plate 13, and a compression spring (not shown in the figure) is sleeved outside the connecting rod 14.

[0034] A bottom plate is provided at the bottom between the two side plates. A vertical plate 17 is fixedly installed on one side of the bottom plate. A support plate 4 is hingedly installed outside the vertical plate 17. A feeding cylinder 16 is installed at the bottom of the support plate 4. The bottom end of the feeding cylinder 16 is hinged to the bottom plate, and the upper end is hinged to the bottom of the support plate 4.

[0035] A discharging cylinder 15 is vertically installed on the upper surface of the bottom plate near the driving rotating shaft 6.

[0036] The specific working principle of the present utility model:

[0037] The circular tube 5 is placed between the driving rotating shaft 6 and the driven rotating shaft 7. A plurality of transmission rollers 18 are respectively provided on the driving rotating shaft 6 and the driven rotating shaft 7. When the cutting head 3 performs cutting, the transmission rollers 18 drive the circular tube 5 to rotate;

[0038] A circular tube positioning device is provided at both ends of the circular tube. The circular tube positioning device includes a positioning plate 9 slidably installed on the sliding rod 11 and a vertical rod 10 rotatably installed on the positioning plate 9. One of the circular tube positioning devices is fixedly arranged to play a role in positioning one side of the circular tube. The circular tube positioning device at the other end can be slidably arranged by being driven by the cylinder 12, so as to facilitate the clamping of the fixing of the circular steel pipe, facilitate processing and have high processing accuracy.

[0039] In addition, a vertical plate 17 is fixedly installed on one side of the bottom plate. A support plate 4 is hingedly installed outside the vertical plate 17. A feeding cylinder 16 is installed at the bottom of the support plate 4. During feeding, the circular tube is hoisted on the support plate 4. The feeding cylinder 16 can push the support plate 4 to rotate obliquely upward, and the circular tube 5 rolls between the driving rotating shaft 6 and the driven rotating shaft 7. After processing is completed, the discharging cylinder 15 jacks up to make the circular tube 5 roll down to complete discharging, so as to be able to automatically load and unload materials.

[0040] The above is an example of the best implementation mode of the present utility model. The parts not described in detail are all common general knowledge of those skilled in the art. The protection scope of the present utility model shall be subject to the content of the claims. Any equivalent transformation based on the technical inspiration of the present utility model is also within the protection scope of the present utility model.

Claims

1. A fixture for a round tube laser cutting machine, characterized in that: The invention comprises a bracket (1), wherein the bracket (1) comprises side plates arranged on both sides, a crossbeam (2) is arranged on the top of the two side plates, and a cutting head (3) is slidably arranged on the crossbeam; A driving shaft (6) and a driven shaft (7) are arranged in parallel at intervals at the lower ends between the two side plates. A plurality of transmission rollers (18) are respectively arranged on the driving shaft (6) and the driven shaft (7). The driving shaft (6) and the driven shaft (7) are used to support the round tube (5). The transmission rollers (18) are in transmission cooperation with the round tube (5). A sliding rod (11) is also provided at the lower end between the two side plates. A round tube positioning device is respectively provided at both ends of the sliding rod (11). The round tube positioning device comprises a rotatable and vertically arranged vertical rod (10). The vertical rod (10) positions the round tube (5) axially.

2. A fixture for a round tube laser cutting machine as claimed in claim 1, characterized in that: A synchronous motor (8) is installed on the side plate on one side, and the rotating shaft of the synchronous motor (8) is connected to the driving rotating shaft (6).

3. A fixture for a round tube laser cutting machine as claimed in claim 1, characterized in that: The round tube positioning device comprises a positioning plate (9), the positioning plate (9) is slidably mounted on a sliding rod (11), and the vertical rod (10) is vertically rotatably mounted on the positioning plate (9).

4. A fixture for a round tube laser cutting machine as claimed in claim 3, characterized in that: The positioning plate (9) of one of the round tube positioning devices is adjustably fixed on the sliding rod (11); the other round tube positioning device is slidably mounted on the sliding rod (11), and the positioning plate (9) of the other round tube positioning device is driven to move back and forth by the cylinder (12).

5. A fixture for a round tube laser cutting machine as claimed in claim 4, characterized in that: A push plate (13) is fixed to the end of the telescopic rod of the cylinder (12), and a connecting rod (14) is installed on the positioning plate (9) of another round tube positioning device. The connecting rod (14) is slidably installed on the push plate (13), and a compression spring is sleeved on the outer side of the connecting rod (14).

6. A fixture for a round tube laser cutting machine as claimed in claim 1, characterized in that: A bottom plate is provided at the bottom between the two side plates, a vertical plate (17) is vertically fixed on one side of the bottom plate, a support plate (4) is hingedly installed on the outer side of the vertical plate (17), and a loading cylinder (16) is installed at the bottom of the support plate (4), the bottom end of the loading cylinder (16) is hinged on the bottom plate, and the upper end is hinged on the bottom of the support plate (4).

7. A fixture for a round tube laser cutting machine as claimed in claim 6, characterized in that: A discharge cylinder (15) is vertically mounted on one side of the upper surface of the bottom plate close to the driving rotating shaft (6).

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