A portable PE pipe welding device and its usage method

Abstract

The present invention discloses a portable PE pipeline welding device and its usage method, including a bearing block. On both the left and right sides of the surface of the bearing block, there are deployment blocks. The two deployment blocks can rotate towards or away from each other with the position connected to the bearing block as the center of the circle to complete the folding and storage action. A fixing mechanism, the top surface of the deployment block is a semi-circular groove, and the two fixing mechanisms are respectively arranged in the semi-circular grooves of the two deployment blocks. A position adjustment mechanism, the position adjustment mechanism is arranged on the fixing mechanism and is used to drive the fixing mechanism to move. The portable PE pipeline welding device of the present invention has a simple and convenient usage method. Through the reasonable setting of each component and the design of the usage method, it can effectively realize on-site welding operations of PE pipelines, improve the operation efficiency, and has important practical value.

Description

Technical Field

[0001] The present invention relates to a portable PE pipe welding device and a method for using the same. Background Art

[0002] Due to its excellent performance, polyethylene (PE) pipes have been widely used in the fields of water supply, drainage, etc. However, the connection of PE pipes generally needs to be completed by hot melt welding. The existing PE pipe welding equipment is large in volume and inconvenient to carry, which brings certain inconvenience to construction.

[0003] Currently, the volume of existing PE pipe welding equipment is usually large, generally including components such as an independent power supply device, a pressurizing device, a heating device, and a pipe clamp fixture. For example, for the PE pipe welding machine A produced by a well-known brand, the volume of its power supply device reaches 60x50x40 cm, and the overall volume can reach more than 1 cubic meter after assembling other components, with a weight of about 50 kg, which is very inconvenient to carry. Another well-known brand's PE pipe welding machine B adopts a modular design, making units such as power supply and heating into different modules that can be disassembled and separated, but it needs to be assembled on-site during use, with numerous operation steps and low efficiency.

[0004] The large volume and weight of these devices bring certain difficulties to pipe construction. Especially in outdoor, high-altitude and other working environments, the equipment cannot be easily moved, affecting the operation efficiency. Therefore, designing a PE pipe welding device with high integration, small volume and easy to carry is an urgent need in this field. Summary of the Invention

[0005] The purpose of the present invention is to provide a portable PE pipe welding device and a method for using the same to solve the problems raised in the above background art.

[0006] To solve the above technical problems, the present invention provides the following technical solutions: including,

[0007] A bearing block, on both the left and right sides of the surface of the bearing block, expansion blocks are provided, and the two expansion blocks can rotate towards or away from each other with the position connected to the bearing block as the center to complete the folding and storage action;

[0008] A fixing mechanism, the top surface of the expansion block is in a semi-circular groove, and the two fixing mechanisms are respectively arranged in the semi-circular grooves of the two expansion blocks;

[0009] A position adjustment mechanism, the position adjustment mechanism is arranged on the fixing mechanism and is used to drive the fixing mechanism to move;

[0010] A part placement mechanism, the part placement mechanism is arranged on the bottom surface of the bearing block and can be connected to the two expansion blocks after storage.

[0011] Preferably, the fixing mechanism includes

[0012] a plurality of arc-shaped lower fixing rings, the plurality of lower fixing rings are arranged in the semi-circular groove of the unfolding block, and the lower fixing rings can move in the semi-circular groove of the unfolding block;

[0013] upper fixing rings having the same number as the lower fixing rings, and the upper fixing rings are connected to the lower fixing rings by screws.

[0014] Preferably, the position adjusting mechanism includes

[0015] a transmission rod in a rod shape with gears provided at both ends, the transmission rod is arranged in the cavity of the bearing block;

[0016] rack bars, the rack bars are symmetrically arranged in the cavity of the bearing block, and the rack bars can reciprocate in the cavity of the bearing block;

[0017] Z-shaped rack bars, the Z-shaped rack bars are symmetrically arranged in the cavity of the bearing block, and the Z-shaped rack bars can reciprocate in the cavity of the bearing block;

[0018] the rack bars and the Z-shaped rack bars on the same side are connected by the gears on the transmission rod;

[0019] the extended ends of the rack bars are located in one unfolding block, the extended ends of the Z-shaped rack bars are located in the other unfolding block, and the lower fixing rings on the two unfolding blocks are respectively arranged on the extended ends of the rack bars or the extended ends of the Z-shaped rack bars.

[0020] Preferably, the part placing mechanism includes

[0021] a placing block, the placing block is arranged on the bottom surface of the bearing block and can be connected to the two unfolded blocks after being received;

[0022] abnormal-shaped grooves, the abnormal-shaped grooves are arranged on the top surface and the bottom surface of the placing block, and the number is greater than the number of the upper fixing rings;

[0023] insertion slots, the insertion slots are symmetrically arranged on the side surface of the placing block, and elastic blocks are symmetrically arranged in the slot bodies of the insertion slots.

[0024] Preferably, rubber pads are arranged on the inner circumferential sides of the upper fixing rings and the lower fixing rings, and the surfaces of the rubber pads are rough.

[0025] Preferably, an operating handle is arranged on the surface of the bearing block, and the operating handle penetrates through the surface of the bearing block and is connected to the transmission rod.

[0026] Preferably, a grinding machine and a pipe orifice heating machine are respectively inserted into the two insertion slots.

[0027] Preferably, limiting grooves are provided on both the front and back sides of the two expansion blocks, insertion blocks are symmetrically arranged on the front and back sides of the placement block, and the insertion blocks can be inserted into the limiting grooves to complete the mutual locking of the expansion blocks and the placement block.

[0028] Preferably, a plurality of support legs are provided on the bottom surface of the expansion block.

[0029] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0030] 1. The present invention as a whole adopts the design concept of modularization and standardization, and its overall structure is a folding structure, which can achieve the effects of small volume in the storage state and easy to carry.

[0031] 2. The portable PE pipe welding device of the present invention has a simple and convenient usage method. Through the reasonable setting of each component and the design of the usage method, the on-site welding operation of PE pipes can be effectively realized, the operation efficiency can be improved, and it has important practical value. Description of the Drawings

[0032] Figure 1 is a schematic diagram of the overall structure of an embodiment of the present invention;

[0033] Figure 2 is a schematic diagram of the placement block and its surface structure of an embodiment of the present invention;

[0034] Figure 3 is a schematic diagram of the rack and its surface structure of an embodiment of the present invention;

[0035] Figure 4 is a schematic diagram of the overall bottom view structure of an embodiment of the present invention;

[0036] Figure 5 is a schematic diagram of the insertion slot structure of an embodiment of the present invention.

[0037] In the figure: 1, bearing block; 2, expansion block; 3, lower fixing ring; 4, upper fixing ring; 5, transmission rod; 6, rack; 7, Z-shaped rack; 8, placement block; 9, special-shaped groove; 10, insertion slot; 11, operating handle; 12, grinding machine; 13, heating machine; 14, limiting groove; 15, support leg; 16, elastic block; 17, insertion block. Detailed Embodiments

[0038] In order to facilitate the solution of the existing problem of being inconvenient to carry, the present invention provides a portable PE pipe welding device and its usage method. The following will clearly and completely describe the technical solutions in the present invention with reference to the accompanying drawings in the present invention. Obviously, the described invention is only a part of the invention of the present invention, rather than all of the invention. All other inventions obtained by those of ordinary skill in the art based on the invention in the present invention without creative work belong to the scope of protection of the present invention.

[0039] Please refer to Figures 1-5 , the present invention provides a portable PE pipe welding device, including,

[0040] A bearing block 1, on both left and right sides of the surface of the bearing block 1, expansion blocks 2 are provided. The two expansion blocks 2 can rotate towards or away from each other with the position connected to the bearing block 1 as the center of the circle to complete the folding and storage actions;

[0041] A fixing mechanism, the top surface of the expansion block 2 is in a semi-circular groove, and the two fixing mechanisms are respectively arranged in the semi-circular grooves of the two expansion blocks 2;

[0042] A position adjustment mechanism, the position adjustment mechanism is arranged on the fixing mechanism and is used to drive the fixing mechanism to move;

[0043] A part placement mechanism, the part placement mechanism is arranged on the bottom surface of the bearing block 1 and can be connected to the two expansion blocks 2 after being stored.

[0044] Specifically, the fixing mechanism includes,

[0045] Multiple arc-shaped lower fixing rings 3, the multiple lower fixing rings 3 are arranged in the semi-circular grooves of the expansion blocks 2, and the lower fixing rings 3 can move in the semi-circular grooves of the expansion blocks 2;

[0046] Upper fixing rings 4 with the same number as the lower fixing rings 3, the upper fixing rings 4 are connected to the lower fixing rings 3 by means of screws; the upper fixing rings 4 are connected to the lower fixing rings 3 by means of screws. Place the pipe orifices of the PE pipes to be welded on the two expansion blocks 2 respectively. Take out the upper fixing rings 4 from the special-shaped grooves 9 and fix the PE pipes in the multiple upper fixing rings 4 and lower fixing rings 3 by means of bolts.

[0047] Specifically, the position adjustment mechanism includes,

[0048] A transmission rod 5 in a rod shape with gears provided at both ends, the transmission rod 5 is arranged in the cavity of the bearing block 1;

[0049] Rack bars 6, the rack bars 6 are symmetrically arranged in the cavity of the bearing block 1, and the rack bars 6 can reciprocate in the cavity of the bearing block 1;

[0050] The Z-shaped rack 7 is symmetrically arranged inside the bearing block 1, and the Z-shaped rack 7 can reciprocate inside the bearing block 1;

[0051] The rack 6 and the Z-shaped rack 7 on the same side are connected by gears on the transmission rod 5;

[0052] The extended end of the rack 6 is located inside one expansion block 2, and the extended end of the Z-shaped rack 7 is located inside the other expansion block 2. The lower fixing rings 3 on the two expansion blocks 2 are respectively arranged on the extended end of the rack 6 or the extended end of the Z-shaped rack 7; Rotate the operating handle 11, the operating handle 11 drives the transmission rod 5 to rotate, and drives the rack 6 and the Z-shaped rack 7 to move towards each other under the action of meshing, thereby driving the lower fixing ring 4 on the surfaces of the rack 6 and the Z-shaped rack 7 to drive the PE pipe to move.

[0053] Specifically, the part placement mechanism includes,

[0054] The placement block 8 is arranged on the bottom surface of the bearing block 1 and can be connected to the two expanded blocks 2 after being stored;

[0055] The special-shaped groove 9 is arranged on the top and bottom surfaces of the placement block 8, and the number is greater than the number of the upper fixing rings 4;

[0056] The insertion slots 10 are symmetrically arranged on the side surfaces of the placement block 8, and elastic blocks 16 are symmetrically arranged in the slot bodies of the insertion slots 10; Parts are placed by means of the special-shaped grooves 9 and insertion slots 10 on the placement block 8.

[0057] Specifically, rubber pads are arranged on the inner circumferential sides of the upper fixing ring 4 and the lower fixing ring 3, and the surfaces of the rubber pads are rough; The friction between the upper fixing ring 4 and the lower fixing ring 3 is increased by means of the rubber pads, so that the PE pipe can be driven better.

[0058] Specifically, an operating handle 11 is arranged on the surface of the bearing block 1, and the operating handle 11 penetrates through the surface of the bearing block 1 and is connected to the transmission rod 5; It is convenient for external users to operate by means of the operating handle 11.

[0059] Specifically, a grinding machine 12 and a pipe orifice heating machine 13 are respectively inserted into the two insertion slots 10; The PE pipe orifice is polished by means of the grinding machine 12 for easy welding, and the pipe orifice is melted by means of the heating machine 13 for welding.

[0060] Specifically, limiting grooves 14 are arranged on the front and back surfaces of the two expansion blocks 2, and insertion blocks 17 are symmetrically arranged on the front and back surfaces of the placement block 8. The insertion blocks 17 can be inserted into the limiting grooves 14 to complete the mutual locking of the expansion block 2 and the placement block 8; After the insertion block 17 is inserted into the limiting groove 14, the mutual locking of the expansion block 2 and the placement block 8 can be completed.

[0061] Specifically, a plurality of support legs 15 are provided on the bottom surface of the unfolding block 2; it is convenient to support the entire device.

[0062] During use:

[0063] A method for using a portable PE pipe welding device includes the following steps:

[0064] Step A: When welding is required, first pull out the placing block 8 from the unfolding block 2 and fully unfold the unfolding block 2;

[0065] Step B: Place the pipe orifices of the PE pipes to be welded on the two unfolding blocks 2 respectively. Take out the upper fixing rings 4 from the special-shaped grooves 9 and fix the PE pipes in a plurality of upper fixing rings 4 and lower fixing rings 3 by means of bolts;

[0066] Step C: Rotate the operating handle 11. The operating handle 11 drives the transmission rod 5 to rotate. Under the action of meshing, it drives the rack 6 and the Z-shaped rack 7 to move towards each other. Take out the grinding machine 12 in the insertion slot 10 and place it between the two PE pipes. Continue to rotate the operating handle 11 to make the pipe orifices of the two PE pipes contact and press against the grinding machine 12. Start the grinding machine 12 to perform grinding treatment on the two PE pipes. After the treatment is completed, take out the grinding machine 12 and place the heating machine 13 between the two PE pipes. Continue to rotate the operating handle 11 to make the pipe orifices of the two PE pipes contact and press against the heating machine 13. After the pipe orifices are melted, take out the heating machine 13 and rotate the operating handle 11 to make the pipe orifices of the two PE pipes press against each other until they are cooled to complete the welding;

[0067] Step D: When storage is required after welding is completed, only need to first take out the upper fixing rings 4 from the lower fixing rings 3, insert them into the special-shaped grooves 9, insert the grinding machine 12 and the heating machine 13 into the insertion slot 10, rotate the two unfolding blocks 2 to make them in the storage end, and insert the insertion blocks 17 on the surface of the placing block 8 into the limiting slots 14 to complete the storage.

[0068] A portable PE pipe welding device and its using method of the present invention have the following advantages:

[0069] 1. The whole of the present invention adopts the design concept of modularization and standardization, and its whole adopts a folding structure, which can achieve the effects of small volume in the storage state and being convenient to carry;

[0070] 2. The portable PE pipe welding device of the present invention has a simple and convenient using method. Through the reasonable setting of each component and the design of the using method, the on-site welding operation of PE pipes can be effectively realized, the operation efficiency can be improved, and it has important practical value.

[0071] Although the inventions of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that various changes, modifications, substitutions and variations can be made to these inventions without departing from the principles and spirit of the present invention, and the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A portable PE pipe welding device, characterized in that: Including, a bearing block (1), on both the left and right sides of the surface of the bearing block (1), unfolding blocks (2) are provided. The two unfolding blocks (2) can rotate towards or away from each other with the position connected to the bearing block (1) as the center to complete the folding and storage action; a fixing mechanism. The top surface of the unfolding block (2) is a semi-circular groove, and the two fixing mechanisms are respectively arranged in the semi-circular grooves of the two unfolding blocks (2); a position adjustment mechanism. The position adjustment mechanism is arranged on the fixing mechanism and is used to drive the fixing mechanism to move; a part placement mechanism. The part placement mechanism is arranged on the bottom surface of the bearing block (1) and can be connected to the two unfolded blocks (2) after storage; The fixing mechanism includes, a plurality of arc-shaped lower fixing rings (3). The plurality of lower fixing rings (3) are arranged in the semi-circular grooves of the unfolding blocks (2), and the lower fixing rings (3) can move in the semi-circular grooves of the unfolding blocks (2); upper fixing rings (4) with the same number as the lower fixing rings (3). The upper fixing rings (4) are connected to the lower fixing rings (3) by means of screws; The position adjustment mechanism includes, a transmission rod (5) in a rod shape with gears provided at both ends. The transmission rod (5) is arranged in the cavity of the bearing block (1); rack bars (6). The rack bars (6) are symmetrically arranged in the cavity of the bearing block (1), and the rack bars (6) can reciprocate in the cavity of the bearing block (1); Z-shaped rack bars (7). The Z-shaped rack bars (7) are symmetrically arranged in the cavity of the bearing block (1), and the Z-shaped rack bars (7) can reciprocate in the cavity of the bearing block (1); The rack bars (6) and the Z-shaped rack bars (7) on the same side are connected by the gears on the transmission rod (5); The extended ends of the rack bars (6) are located in one unfolding block (2), and the extended ends of the Z-shaped rack bars (7) are located in the other unfolding block (2). The lower fixing rings (3) on the two unfolding blocks (2) are respectively arranged on the extended ends of the rack bars (6) or the Z-shaped rack bars (7); The part placement mechanism includes, a placement block (8). The placement block (8) is arranged on the bottom surface of the bearing block (1) and can be connected to the two unfolded blocks (2) after storage; insertion slots (10). The insertion slots (10) are symmetrically arranged on the side surface of the placement block (8), and elastic blocks (16) are symmetrically arranged in the slot bodies of the insertion slots (10); A grinding machine (12) and a pipe orifice heating machine (13) are respectively inserted into the two insertion slots (10).

2. The portable PE pipe welding device according to claim 1, wherein: The part placement mechanism includes a special-shaped groove (9). The special-shaped groove (9) is arranged on the top and bottom surfaces of the placement block (8), and the number is greater than the number of the upper fixing rings (4).

3. A portable PE pipe welding device according to claim 1, characterized in that: Rubber pads are arranged on the inner circumferential sides of the upper fixing rings (4) and the lower fixing rings (3), and the surfaces of the rubber pads are rough.

4. A portable PE pipe welding device according to claim 1, characterized in that: An operation handle (11) is arranged on the surface of the bearing block (1), and the operation handle (11) penetrates the surface of the bearing block (1) and is connected to the transmission rod (5).

5. A portable PE pipe welding device according to claim 1, characterized in that: Limiting slots (14) are arranged on the front and back surfaces of the two unfolding blocks (2). Insertion blocks (17) are symmetrically arranged on the front and back surfaces of the placement block (8). The insertion blocks (17) can be inserted into the limiting slots (14) to complete the mutual locking of the unfolding blocks (2) and the placement block (8).

6. The portable PE pipeline welding device according to claim 1, wherein: A plurality of support legs (15) are provided on the bottom surface of the unfolding block (2).

7. A method for using a portable PE pipe welding device according to any one of claims 1-6, characterized in that: The method includes the following steps: Step (A): When welding is required, first pull out the placing block (8) from the unfolding block (2) and fully unfold the unfolding block (2). Step (B): Place the pipe orifices of the PE pipes to be welded on the two unfolding blocks (2) respectively. Take out the upper fixing ring (4) from the special-shaped groove (9), and fix the PE pipes in a plurality of upper fixing rings (4) and lower fixing rings (3) by means of bolts. Step (C): Rotate the operating handle (11). The operating handle (11) drives the transmission rod (5) to rotate. Under the action of meshing, the rack (6) and the Z-shaped rack (7) are driven to move towards each other. Take out the grinding machine (12) in the insertion slot (10), place it between the two PE pipes, and continue to rotate the operating handle (11) to make the pipe orifices of the two PE pipes contact and press against the grinding machine (12). Start the grinding machine (12) to perform grinding treatment on the two PE pipes. After the treatment is completed, take out the grinding machine (12), place the heating machine (13) between the two PE pipes, and continue to rotate the operating handle (11) to make the pipe orifices of the two PE pipes contact and press against the heating machine (13). After the pipe orifices are melted, take out the heating machine (13), and rotate the operating handle (11) to make the pipe orifices of the two PE pipes press against each other until they are cooled to complete the welding. Step (D): When storage is required after welding, only need to first take out the upper fixing ring (4) from the lower fixing ring (3), insert it into the special-shaped groove (9), insert the grinding machine (12) and the heating machine (13) into the insertion slot (10), rotate the two unfolding blocks (2) to make them at the storage end, and insert the insertion block (17) on the surface of the placing block (8) into the limiting slot (14) to complete the storage.

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