High-precision cutting device for tunnel steel pipe pieces

Abstract

The utility model relates to the technical field of steel pipe piece machining, and discloses a tunnel steel pipe piece high-precision cutting device which comprises a machining table, a collecting groove is formed in the other side of the machining table, an L-shaped plate is arranged at the position, close to one side, of the top of the machining table, and a rectangular opening is formed in the position, close to the middle, of the top of the machining table. According to the cutting machine, dust generated by cutting can enter an inner cavity of a filter tank through a dust suction pipe and a grid under the work of an exhaust fan, so that the dust generated by cutting can be conveniently sucked into the inner cavity of the filter tank to be filtered and discharged, an operator can be prevented from sucking the dust, and the working environment quality of the operator is improved; when the power output shaft of the servo motor rotates, the thread sleeve connected to the periphery of the servo motor in a threaded mode is limited by the limiting block and the limiting rod, the cut steel pipe pieces can be pushed into the inner cavity of the collecting groove, manual cleaning is not needed, and the cleaning intensity of workers is relieved.

Description

Technical Field

[0001] The utility model relates to the technical field of steel pipe segment processing, in particular to a high-precision cutting device for tunnel steel pipe segments. Background Technique

[0002] Steel pipe segments are a type of precast lining segments. Precast lining segments can be divided into concrete segments, reinforced concrete segments, steel pipe segments, and composite steel and reinforced concrete segments according to different materials. Currently, steel pipe segments are widely used in subways, tunnels, liquid transportation, crude oil storage and other fields, and are a special type of lining segment.

[0003] When installing concrete segments, if the dimensions are not appropriate, the concrete segments need to be cut. During the cutting process of the concrete segments, dust is generated and is easily inhaled by the operators, which will harm the health of the staff.

[0004] Therefore, we propose a high-precision cutting device for tunnel steel pipe segments to solve the problems raised in the above text. Content of the Utility Model

[0005] The purpose of the utility model is to provide a high-precision cutting device for tunnel steel pipe segments to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the utility model provides the following technical solution: A high-precision cutting device for tunnel steel pipe segments, including a processing table. A collection trough is arranged on the other side of the processing table. An L-shaped plate is arranged near one side of the top of the processing table. A rectangular opening is opened near the middle position of the top of the processing table, and a grille is fixedly installed in the inner cavity of the rectangular opening. A cleaning component is arranged near the rear side of the top of the processing table. A dust suction component is arranged at the bottom of the processing table. A lifting hydraulic rod is fixedly installed near the other side of the inner cavity top of the L-shaped plate. The bottom end of the lifting hydraulic rod is fixedly installed with a rectangular plate. A cutting machine is arranged near the front side of the bottom of the rectangular plate.

[0007] The cleaning component includes a filter trough fixedly installed at the middle position of the bottom of the processing table and an exhaust fan installed at the bottom of the filter trough. Support plates are fixedly installed near the middle positions on both sides of the inner cavity of the filter trough. An opening is opened near the top of the front side of the filter trough, and a filter screen is movably penetrated through the inner cavity of the opening. A sealing plate is fixedly installed on the front side of the filter screen. A conduit is inserted into the near top of the rear side of the filter trough. A hose is fixedly installed at the front end of the conduit. A dust suction pipe is fixedly installed at the front side of the hose.

[0008] Preferably, first magnets are fixedly installed near both sides at the rear side of the sealing plate, second magnets are magnetically attracted to the rear sides of the first magnets, grooves are formed near both sides at the front side of the filter tank, and the rear sides of the second magnets are fixedly connected to the rear sides of the inner cavities of the adjacent grooves respectively; a support block is fixedly sleeved around the outer periphery of the conduit near the middle position, and the front side of the support block is fixedly connected to the processing table.

[0009] Preferably, two connecting seats are arranged near one side at the top of the processing table, and the connecting seats are arranged vertically. An adjusting hydraulic rod is fixedly installed at the top of the upper connecting seat, the top end of the adjusting hydraulic rod is fixedly connected to the top of the inner cavity of the L-shaped plate, the lower connecting seat is fixedly connected to the processing table, a receiving groove is formed near the bottom at the other side of the lower connecting seat, a plurality of telescopic rods are fixedly installed on the opposite sides of the connecting seats, fixing blocks are fixedly installed at the ends of the plurality of telescopic rods, springs are movably sleeved around the outer peripheries of the telescopic rods, and the top ends and the bottom ends of the springs are fixedly connected to the adjacent connecting seats and the adjacent fixing blocks respectively.

[0010] Preferably, electric slide rails are fixedly installed near both sides at the bottom of the rectangular plate, an electric slider is slidably connected to the bottoms of the electric slide rails together, and the bottom of the electric slider is fixedly connected to the cutting machine.

[0011] Preferably, the cleaning assembly includes a bracket fixedly installed near the rear side at the other side of the processing table and a threaded rod rotatably connected to one side of the inner cavity of the bracket. The end of the threaded rod movably penetrates through the side wall of the inner cavity of the L-shaped plate. A servo motor is arranged near the bottom at one side of the L-shaped plate, and the power output shaft end of the servo motor is fixedly connected to the threaded rod. A rectangular block is fixedly installed at the top of the servo motor, and the other side of the rectangular block is fixedly connected to the L-shaped plate. A threaded sleeve is threadedly connected to the outer periphery of the servo motor, a cleaning plate is fixedly installed at the front side of the threaded sleeve, and the cleaning plate movably penetrates through the inner cavity of the receiving groove.

[0012] Preferably, a limiting block is fixedly installed at the rear side of the threaded sleeve, a limiting rod movably penetrates through one side of the limiting block, and both ends of the limiting rod are fixedly connected to the L-shaped plate and the bracket respectively.

[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:

[0014] 1. By arranging the dust suction assembly, under the operation of the exhaust fan, the dust generated by cutting can enter the inner cavity of the filter tank through the dust suction pipe and the grille, so as to conveniently suck the dust generated by cutting into the inner cavity of the filter tank for filtering and discharging, which can prevent the operator from inhaling and improve the working environment quality of the staff.

[0015] 2. By setting up a cleaning component, when the power output shaft of the servo motor rotates, the threaded sleeve connected to the outer periphery of the servo motor through threads can push the cut steel pipe pieces into the inner cavity of the collection tank under the limitation of the limiting block and the limiting rod, eliminating the need for manual cleaning and reducing the cleaning intensity of the staff. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 is a schematic three-dimensional structure diagram of the whole of the present utility model;

[0017] Figure 2 is a schematic three-dimensional structure diagram of another perspective of the present utility model;

[0018] Figure 3 is a schematic three-dimensional structure diagram of the collection tank and the threaded rod of the present utility model;

[0019] Figure 4 is a schematic three-dimensional structure diagram of the dust suction component of the present utility model;

[0020] Figure 5 is a schematic partial three-dimensional structure diagram of the telescopic rod, the spring and the fixing block of the present utility model;

[0021] Figure 6 of the present utility model Figure 3 enlarged view at A;

[0022] Figure 7 of the present utility model Figure 4 enlarged view at B.

[0023] In the figure: 1, processing table; 2, L-shaped plate; 21, connecting seat; 22, adjusting hydraulic rod; 23, telescopic rod; 24, spring; 25, fixing block; 3, collection tank; 4, grille; 5, dust suction component; 51, filter tank; 52, exhaust fan; 53, support plate; 54, filter screen; 541, first magnet; 542, second magnet; 55, conduit; 551, support block; 56, hose; 57, dust suction pipe; 6, cleaning component; 61, bracket; 62, threaded rod; 63, servo motor; 64, rectangular block; 65, threaded sleeve; 651, limiting block; 652, limiting rod; 66, cleaning plate; 7, lifting hydraulic rod; 8, rectangular plate; 81, electric slide rail; 82, electric slider; 9, cutting machine. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0024] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without creative efforts shall fall within the protection scope of the present utility model.

[0025] Example 1: Please refer to Figures 1-7 , a high-precision cutting device for tunnel steel segment, including a processing table 1, a collection tank 3 is arranged on the other side of the processing table 1, an L-shaped plate 2 is arranged near one side of the top of the processing table 1, a rectangular opening is opened near the middle position of the top of the processing table 1, and a grille 4 is fixedly installed in the inner cavity of the rectangular opening. A cleaning component 6 is arranged near the rear side of the top of the processing table 1, a dust suction component 5 is arranged at the bottom of the processing table 1, a lifting hydraulic rod 7 is fixedly installed near the other side of the inner cavity top of the L-shaped plate 2, a rectangular plate 8 is fixedly installed at the bottom end of the lifting hydraulic rod 7, and a cutting machine 9 is arranged near the front side of the bottom of the rectangular plate 8;

[0026] The cleaning component 6 includes a filter tank 51 fixedly installed at the middle position of the bottom of the processing table 1 and a suction fan 52 installed at the bottom of the filter tank 51. Support plates 53 are fixedly installed near the middle positions on both sides of the inner cavity of the filter tank 51. An opening is opened near the top of the front side of the filter tank 51, and a filter screen 54 movably penetrates through the inner cavity of the opening. A sealing plate is fixedly installed on the front side of the filter screen 54. A conduit 55 is inserted into the rear side near the top of the filter tank 51. A hose 56 is fixedly installed at the front end of the conduit 55, and a dust suction pipe 57 is fixedly installed at the front side of the hose 56. Under the operation of the suction fan 52, the dust generated by cutting can enter the inner cavity of the filter tank 51 through the dust suction pipe 57 and the grille 4. Furthermore, it is convenient to inhale the dust generated by cutting into the inner cavity of the filter tank 51 for filtering and discharging, which can prevent the operator from inhaling and improve the working environment quality of the staff.

[0027] First magnets 541 are fixedly installed near both sides of the rear side of the sealing plate. The sealing plate can close the opening. When the suction fan 52 is working, external air cannot enter from the opening. Second magnets 542 are magnetically attracted to the rear sides of the first magnets 541. Grooves are opened near both sides of the front side of the filter tank 51, and the rear sides of the second magnets 542 are respectively fixedly connected to the rear sides of the inner cavities of the adjacent grooves, which is convenient for the staff to clean the filter screen 54 and clean its top. A support block 551 is fixedly sleeved near the middle position of the outer periphery of the conduit 55, and the front side of the support block 551 is fixedly connected to the processing table 1.

[0028] There are two connecting seats 21 arranged near one side of the top of the processing table 1, and the connecting seats 21 are arranged vertically. A regulating hydraulic rod 22 is fixedly installed on the top of the top connecting seat 21. The top end of the regulating hydraulic rod 22 is fixedly connected to the top of the inner cavity of the L-shaped plate 2. The connecting seat 21 at the bottom is fixedly connected to the processing table 1. A storage groove is opened near the bottom on the other side of the connecting seat 21 at the bottom. A number of telescopic rods 23 are fixedly installed on the opposite sides of the connecting seat 21. Fixed blocks 25 are fixedly installed at the ends of the number of telescopic rods 23. Springs 24 are movably sleeved on the outer circumferences of the telescopic rods 23, and the top and bottom ends of the springs 24 are fixedly connected to the adjacent connecting seat 21 and the adjacent fixed block 25 respectively, so as to limit the steel pipe slices to be processed.

[0029] Electric slide rails 81 are fixedly installed near both sides of the bottom of the rectangular plate 8. The bottoms of the electric slide rails 81 are jointly slidably connected with an electric slider 82. The bottom of the electric slider 82 is fixedly connected to the cutting machine 9. Through the cutting machine 9, the electric slide rails 81 and the electric slider 82, cutting operations can be performed on the steel pipe slices.

[0030] Embodiment 2: This embodiment is an improvement made on the basis of Embodiment 1. Specifically, please refer to Figure 1 、 Figure 3 and Figure 6 。 The cleaning assembly 6 includes a bracket 61 fixedly installed near the rear side of the other side of the processing table 1 and a threaded rod 62 rotatably connected to one side of the inner cavity of the bracket 61. The end of the threaded rod 62 movably penetrates the side wall of the inner cavity of the L-shaped plate 2. A servo motor 63 is arranged near the bottom of one side of the L-shaped plate 2, and the shaft end of the power output shaft of the servo motor 63 is fixedly connected to the threaded rod 62. A rectangular block 64 is fixedly installed on the top of the servo motor 63, and the other side of the rectangular block 64 is fixedly connected to the L-shaped plate 2. A threaded sleeve 65 is threadedly connected to the outer circumference of the servo motor 63. A cleaning plate 66 is fixedly installed on the front side of the threaded sleeve 65, and the cleaning plate 66 movably penetrates the inner cavity of the storage groove. When the power output shaft of the servo motor 63 rotates, the threaded sleeve 65 threadedly connected to the outer circumference of the servo motor 63 can push the cut steel pipe slices into the inner cavity of the collection tank 3 under the limitation of the limiting block 651 and the limiting rod 652, without manual cleaning, reducing the cleaning intensity of the staff.

[0031] A limiting block 651 is fixedly installed on the rear side of the threaded sleeve 65, and a limiting rod 652 movably penetrates one side of the limiting block 651. The two ends of the limiting rod 652 are fixedly connected to the L-shaped plate 2 and the bracket 61 respectively. The limiting block 651 and the limiting rod 652 can limit the movement of the threaded sleeve 65.

[0032] Working principle: When the utility model is in use, the steel pipe piece to be processed is placed above the bottom connecting seat 21 so that it contacts a plurality of adjacent fixing blocks 25. Then, by adjusting the hydraulic rod 22, the fixing block 25 at the top contacts the inner cavity of the steel pipe piece. With the cooperation of a plurality of telescopic rods 23, springs 24 and fixing blocks 25, the steel pipe piece to be processed can be fixed stably. Then, through the cooperation of the cutting machine 9, the electric slide rail 81 and the electric slider 82, precise cutting operation can be carried out on the steel pipe piece. During the cutting process, the exhaust fan 52 can be started. Under the action of the exhaust fan 52, the dust generated by cutting can be sucked into the inner cavity of the filter tank 51 through the grille 4 and the dust suction pipe 57, and discharged after being filtered by the filter screen 54, which can prevent the operator from inhaling and improve the working environment quality of the staff. When the cutting is completed, the residual blocks of the steel pipe piece fall on the top of the grille 4. At this time, the power output shaft of the servo motor 63 can be rotated, so that the threaded rod 62 fixed at the shaft end of the power output shaft of the servo motor 63 can be rotated, and thus the threaded sleeve 65 threadedly connected to the end of the threaded rod 62 can move to one side under the limitation of the limiting block 651 and the limiting rod 652, and the cut steel pipe piece can be pushed into the inner cavity of the collection tank 3 without manual cleaning, reducing the cleaning intensity of the staff.

[0033] The content not described in detail in this specification belongs to the prior art well-known to those skilled in the art.

[0034] Although the present utility model has been described in detail with reference to the foregoing embodiments, for those skilled in the art, they can still modify the technical solutions described in the foregoing embodiments, or perform equivalent replacements on some of the technical features. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present utility model shall be included within the protection scope of the present utility model.

Claims

1. A high-precision cutting device for tunnel steel pipe segments, comprising a processing table (1), characterized in that: A collecting trough (3) is provided on the other side of the processing table (1); an L-shaped plate (2) is provided on the top of the processing table (1) near one side; a rectangular opening is provided on the top of the processing table (1) near the middle, and a grille (4) is fixedly installed in the inner cavity of the rectangular opening; a cleaning component (6) is provided on the top of the processing table (1) near the rear side; a dust collection component (5) is provided on the bottom of the processing table (1); a lifting hydraulic rod (7) is fixedly installed on the top of the inner cavity of the L-shaped plate (2) near the other side; a rectangular plate (8) is fixedly installed on the bottom end of the lifting hydraulic rod (7); and a cutting machine (9) is provided on the bottom of the rectangular plate (8) near the front side; The cleaning assembly (6) comprises a filter tank (51) fixedly mounted at the middle position of the bottom of the processing table (1) and an exhaust fan (52) mounted at the bottom of the filter tank (51); support plates (53) are fixedly mounted at the middle position of both sides of the inner cavity of the filter tank (51); an opening is provided at the front side of the filter tank (51) near the top, and a filter screen (54) movably penetrates the inner cavity of the opening; a sealing plate is fixedly mounted at the front side of the filter screen (54); a guide tube (55) is plugged into the rear side of the filter tank (51) near the top; a hose (56) is fixedly mounted at the front end of the hose (55); and a dust suction pipe (57) is fixedly mounted at the front side of the hose (56).

2. A high-precision cutting device for tunnel steel pipe segments according to claim 1, characterized in that: A first magnet (541) is fixedly installed on the rear side of the sealing plate near both sides, and a second magnet (542) is magnetically attracted to the rear side of the first magnet (541). Grooves are provided on the front side of the filter tank (51) near both sides, and the rear side of the second magnet (542) is fixedly connected to the rear side of the inner cavity of the adjacent grooves respectively; a support block (551) is fixedly sleeved near the middle position of the outer periphery of the conduit (55), and the front side of the support block (551) is fixedly connected to the processing table (1).

3. The high-precision cutting device for tunnel steel pipe segments according to claim 1 is characterized in that: Two connecting seats (21) are arranged near one side of the top of the processing table (1), and the connecting seats (21) are arranged up and down. An adjusting hydraulic rod (22) is fixedly installed on the top of the top connecting seat (21), and the top end of the adjusting hydraulic rod (22) is fixedly connected to the top of the inner cavity of the L-shaped plate (2). The connecting seat (21) at the bottom is fixedly connected to the processing table (1). A storage groove is provided near the bottom of the other side of the connecting seat (21) at the bottom. A plurality of telescopic rods (23) are fixedly installed on the opposite side of the connecting seat (21), and fixed blocks (25) are fixedly installed at the ends of the plurality of telescopic rods (23). Springs (24) are movably sleeved on the outer periphery of the telescopic rods (23), and the top and bottom ends of the springs (24) are fixedly connected to the adjacent connecting seat (21) and the adjacent fixed block (25), respectively.

4. The high-precision cutting device for tunnel steel pipe segments according to claim 1 is characterized in that: Electric slide rails (81) are fixedly installed at the bottom of the rectangular plate (8) near both sides, the bottom of the electric slide rails (81) is slidably connected to an electric slider (82), and the bottom of the electric slider (82) is fixedly connected to the cutting machine (9).

5. The high-precision cutting device for tunnel steel pipe segments according to claim 1 is characterized in that: The cleaning assembly (6) comprises a bracket (61) fixedly mounted on the other side of the processing table (1) near the rear side and a threaded rod (62) rotatably connected to one side of the inner cavity of the bracket (61); the end of the threaded rod (62) movably penetrates the inner cavity side wall of the L-shaped plate (2); a servo motor (63) is arranged on one side of the L-shaped plate (2) near the bottom, and the end of the power output shaft of the servo motor (63) is fixedly connected to the threaded rod (62); a rectangular block (64) is fixedly mounted on the top of the servo motor (63), and the other side of the rectangular block (64) is fixedly connected to the L-shaped plate (2); a threaded sleeve (65) is threadedly connected to the outer periphery of the servo motor (63); a cleaning plate (66) is fixedly mounted on the front side of the threaded sleeve (65), and the cleaning plate (66) movably penetrates the inner cavity of the storage groove.

6. A high-precision cutting device for tunnel steel pipe segments according to claim 5, characterized in that: A limiting block (651) is fixedly installed on the rear side of the threaded sleeve (65), and one side of the limiting block (651) movably penetrates the limiting rod (652), and the two ends of the limiting rod (652) are respectively fixedly connected to the L-shaped plate (2) and the bracket (61).

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