Copper pipe orifice expanding device

Abstract

The utility model relates to the field of copper pipe orifice expansion, in particular to a copper pipe orifice expansion device. Comprising a base, two sets of supporting plates are symmetrically installed on the edge of the bottom of the base, each set of supporting plates is of a rectangular structure, two sets of sliding grooves are symmetrically formed in the top of the base, two sets of first sliding blocks are slidably connected into each set of sliding grooves, and each set of first sliding blocks is of a rectangular structure; a fixing plate is installed on one side wall of the base, a cavity is formed in the top of the fixing plate, a connecting block is installed on the inner wall of one side of the fixing plate, two sets of lead screws are arranged in the cavity, and a partition block is connected between the two sets of lead screws. The electric push rod is started to drive the clamping structure to move up and down so as to flexibly adjust the height of the copper pipe, the clamping structure is sequentially driven to adjust the orientation angle by adjusting the movable seat, the copper pipe is clamped at different inclination angles, and the compatibility of the device is improved while the flexibility of the device is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of copper pipe opening expansion devices, in particular to a copper pipe opening expansion device. Background Art

[0002] When workers expand copper or aluminum pipes, they often use a conical plug to insert into the pipe port and then rotate the conical plug to expand. However, expansion is a delicate job. When expanding copper pipes, the pipe cannot be well fixed. On the one hand, it is difficult to expand to the required size when expanding the pipe, and when expanding the pipe, the pipe is easily bent and deformed under pressure, resulting in the whole copper pipe being scrapped.

[0003] After searching, in the prior art, Chinese patent publication number: CN206997579U, authorization publication date: 2018-02-13, discloses an electrical pipe expanding device, including a fixing plate, a fixing sleeve is inserted at the bottom of the fixing plate, a pair of fastening bolts are threadedly connected to the outer wall of the fixing sleeve, the top of the fixing plate is fixedly connected to the supporting sleeve, the inner cavity of the supporting sleeve is fixedly connected to the expansion ring, a fixing bracket is arranged on the top of the supporting sleeve, a card slot is opened on the upper end surface of the supporting sleeve, the outer wall of the fixing bracket is fixedly connected to the card block, and the card block is inserted into the inner cavity of the card slot, a threaded rod is threadedly connected to the upper end surface of the fixing bracket, one end of the threaded rod is fixedly connected to the rotating handle, and the other end of the threaded rod is fixedly connected to the expansion head, and a connecting screw is arranged at the bottom of the expansion head. The electrical pipe expanding device realizes the function of expanding, and the expanding process is simple and easy to operate. At the same time, the copper pipe can be firmly fixed during expanding to prevent the copper pipe from bending or deformation.

[0004] However, the device still has the following defects: the clamping height and angle of the copper tube cannot be adjusted, and the expansion requirements of the copper tube at different heights and angles cannot be met, which increases the limitations of the device, reduces the flexibility of the device and reduces the compatibility of the device. Utility Model Content

[0005] In view of the above problems, the utility model provides a copper pipe orifice expansion device. It comprises a base, two groups of support plates are symmetrically installed at the bottom edge of the base, each group of the support plates is a rectangular structure, two groups of slide grooves are symmetrically opened on the top of the base, two groups of first sliders are slidably connected in each group of the slide grooves, each group of the first sliders is a rectangular structure, a fixing plate is installed on one side wall of the base, a cavity is opened on the top of the fixing plate, a connecting block is installed on the inner wall of one side of the fixing plate, two groups of screw rods are arranged in the cavity, a partition block is connected between the two groups of screw rods, the thread directions of the two groups of screw rods are opposite, the central axes of the two groups of screw rods are located on the same straight line, one end of one group of screw rods away from the partition block passes through the fixing plate and is connected to a motor for transmission, and the other end of the screw rods away from the partition block is rotatably connected to the connecting block.

[0006] Furthermore, each group of the screw rods is threadedly connected to a group of second sliders, and each group of the second sliders is slidably connected in the cavity.

[0007] Furthermore, a group of movable brackets are installed on the top of each group of the second sliding blocks after penetrating the fixed plate, and each group of the movable brackets is a rectangular structure.

[0008] Furthermore, the top of each group of the first sliding blocks is mounted on the bottom of the movable bracket, and two groups of first connecting plates are mounted on the top of each group of the movable bracket.

[0009] Furthermore, each group of the first connecting plates is located directly above the first sliding block, and a group of electric push rods is installed at the top center of each group of the first connecting plates.

[0010] Furthermore, a group of second connecting plates are installed at the output end of each group of the electric push rods, and a group of movable seats are installed at the top center of each group of the second connecting plates.

[0011] Furthermore, a group of fixing blocks are installed on the top of each group of the movable seats, and a group of clamping structures are installed on one side wall of each group of the fixing blocks.

[0012] Furthermore, a flaring device is provided on one side of the base close to the fixed plate, the flaring device comprises a workbench, a flare is installed on the top of the workbench, and a flaring tube is installed on one side wall of the flare close to the base.

[0013] The beneficial effects of the utility model are:

[0014] 1. Start the electric push rod to drive the clamping structure to move up and down to flexibly adjust the height of the copper tube. By adjusting the movable seat, the clamping structure is driven to adjust the direction angle to achieve clamping of the copper tube at different inclination angles, which improves the flexibility of the device and the compatibility of the device.

[0015] 2. When using the device, start the motor to drive the two sets of mobile brackets and the clamping structure to move toward the center of the base, put the copper tube that needs to be expanded into the middle of the clamping structure, limit and fix the copper tube, and align the tube while clamping the copper tube, thereby reducing the subsequent labor intensity of the workers.

[0016] Other features and advantages of the utility model will be described in the following description, and partly become apparent from the description, or understood by implementing the utility model. The purpose and other advantages of the utility model can be realized and obtained by the structures indicated in the description, claims and drawings. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative work.

[0018] Figure 1 A schematic diagram of the structure according to an embodiment of the utility model is shown;

[0019] Figure 2 A cross-sectional schematic diagram according to an embodiment of the utility model is shown;

[0020] Figure 3 A schematic diagram of the screw rod structure according to an embodiment of the utility model is shown;

[0021] Figure 4 A schematic diagram of a clamping structure according to an embodiment of the utility model is shown.

[0022] In the figure: 1. base; 2. support plate; 3. slide groove; 4. first slider; 5. fixed plate; 6. cavity; 7. screw rod; 8. partition block; 9. motor; 10. connecting block; 11. second slider; 12. movable bracket; 13. first connecting plate; 14. electric push rod; 15. second connecting plate; 16. movable seat; 17. fixed block; 18. clamping structure; 19. workbench; 20. expander. DETAILED DESCRIPTION

[0023] In order to make the purpose, technical solution and advantages of the embodiment of the utility model clearer, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of 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.

[0024] The utility model embodiment provides a copper pipe opening expansion device. It includes a base 1, exemplarily, as Figure 1 , Figure 2 , Figure 3 and Figure 4As shown, two groups of support plates 2 are symmetrically installed at the bottom edge of the base 1, and each group of the support plates 2 is a rectangular structure. Two groups of slide grooves 3 are symmetrically opened on the top of the base 1, and two groups of first sliders 4 are slidably connected in each group of the slide grooves 3. Each group of the first sliders 4 is a rectangular structure. A fixing plate 5 is installed on one side wall of the base 1, and a cavity 6 is opened on the top of the fixing plate 5. A connecting block 10 is installed on one side inner wall of the fixing plate 5. Two groups of screw rods 7 are arranged in the cavity 6, and a partition block 8 is connected between the two groups of the screw rods 7. The thread directions of the screw rods 7 are opposite, and the central axes of the two groups of the screw rods 7 are located on the same straight line. One end of the screw rods 7 of one group away from the partition block 8 passes through the fixed plate 5 and is transmission-connected to the motor 9, and the other end of the screw rods 7 away from the partition block 8 is rotatably connected to the connecting block 10. Each group of the screw rods 7 is threadedly connected to a group of second sliders 11, and each group of the second sliders 11 is slidably connected in the cavity 6. The top of each group of the second sliders 11 passes through the fixed plate 5 and is installed with a group of movable brackets 12, and each group of the movable brackets 12 is a rectangular structure.

[0025] The top of each group of the first sliding blocks 4 is installed on the bottom of the movable bracket 12, two groups of first connecting plates 13 are installed on the top of each group of the movable bracket 12, each group of the first connecting plates 13 is located directly above the first sliding blocks 4, a group of electric push rods 14 are installed at the top center of each group of the first connecting plates 13, a group of second connecting plates 15 are installed at the output end of each group of the electric push rods 14, a group of movable seats 16 are installed at the top center of each group of the second connecting plates 15, a group of fixed blocks 17 are installed on the top of each group of the movable seats 16, and a group of clamping structures 18 are installed on one side wall of each group of the fixed blocks 17.

[0026] A flaring device is provided on one side of the base 1 close to the fixing plate 5 , and the flaring device comprises a workbench 19 , a flaring tool 20 is installed on the top of the workbench 19 , and a flaring tube is installed on one side wall of the flaring tool 20 close to the base 1 .

[0027] Working principle:

[0028] When the device is used, the motor 9 is started to drive the screw 7 to rotate, and the screw 7 drives the two groups of second sliders 11 to slide in the cavity 6, thereby driving the two groups of movable brackets 12 and the two groups of first sliders 4 to slide in the two groups of slide grooves 3, thereby driving the clamping structure 18 to move toward the center of the base 1.

[0029] Then, the copper tube that needs to be expanded is placed in the middle of the clamping structure 18, and the copper tube is limited and fixed, so that the copper tube can be aligned while being clamped, thereby reducing the subsequent labor intensity of the workers.

[0030] The electric push rod 14 is started to drive the second connecting plate 15 to move up and down, and then drives the movable seat 16 and the clamping structure 18 to move, so as to adjust the height of the copper tube, thereby improving the flexibility of the device.

[0031] By adjusting the movable seat 16, the clamping structure 18 is driven to adjust the orientation angle, so that the copper tube can be clamped at different inclination angles, thereby improving the flexibility of the device and the compatibility of the device.

[0032] Starting the electric push rod 14 drives the clamping structure 18 to move up and down to flexibly adjust the height of the copper tube. By adjusting the movable seat 16, the clamping structure 18 is driven to adjust the direction angle, so that the copper tube can be clamped at different inclination angles, thereby improving the flexibility of the device and the compatibility of the device.

[0033] When using the device, start the motor 9 to drive the two groups of movable brackets 12 and the clamping structure 18 to move toward the center of the base 1, put the copper tube that needs to be expanded into the middle of the clamping structure 18, limit and fix the copper tube, and align the tube while clamping the copper tube, thereby reducing the subsequent labor intensity of the workers.

[0034] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein; and these modifications or replacements do not make the essence of the corresponding technical solutions deviate from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims

1. A copper pipe opening expansion device, comprising a base (1), characterized in that: Two groups of support plates (2) are symmetrically installed at the bottom edge of the base (1), and each group of the support plates (2) is a rectangular structure. Two groups of slide grooves (3) are symmetrically opened on the top of the base (1), and two groups of first slide blocks (4) are slidably connected in each group of the slide grooves (3), and each group of the first slide blocks (4) is a rectangular structure. A fixing plate (5) is installed on one side wall of the base (1), and a cavity (6) is opened on the top of the fixing plate (5). The inner wall of one side of the fixing plate (5) A connecting block (10) is installed on the upper surface, two groups of screw rods (7) are arranged in the cavity (6), a partition block (8) is connected between the two groups of screw rods (7), the thread directions of the two groups of screw rods (7) are opposite, the central axes of the two groups of screw rods (7) are located on the same straight line, one end of one group of screw rods (7) away from the partition block (8) passes through the fixed plate (5) and is then connected to the motor (9), and the other end of the other group of screw rods (7) away from the partition block (8) is rotatably connected to the connecting block (10).

2. The copper pipe opening expansion device according to claim 1, characterized in that: A group of second sliding blocks (11) is threadedly connected to each group of the screw rods (7), and each group of the second sliding blocks (11) is slidably connected in the cavity (6).

3. The copper pipe opening expansion device according to claim 2, characterized in that: The top of each group of the second sliding blocks (11) passes through the fixed plate (5) and is then installed with a group of movable brackets (12), and each group of the movable brackets (12) is a rectangular structure.

4. The copper pipe opening expansion device according to claim 3, characterized in that: The top of each group of the first sliding blocks (4) is mounted on the bottom of the moving bracket (12), and two groups of first connecting plates (13) are mounted on the top of each group of the moving bracket (12).

5. The copper pipe opening expansion device according to claim 4, characterized in that: Each group of the first connecting plates (13) is located directly above the first sliding block (4), and a group of electric push rods (14) is installed at the top center of each group of the first connecting plates (13).

6. The copper pipe opening expansion device according to claim 5, characterized in that: A group of second connecting plates (15) are installed at the output end of each group of the electric push rods (14), and a group of movable seats (16) are installed at the top center of each group of the second connecting plates (15).

7. The copper pipe opening expansion device according to claim 6, characterized in that: A group of fixing blocks (17) is installed on the top of each group of movable seats (16), and a group of clamping structures (18) is installed on one side wall of each group of fixing blocks (17).

8. The copper pipe opening expansion device according to claim 1, characterized in that: A flaring device is provided on one side of the base (1) close to the fixing plate (5), the flaring device comprising a workbench (19), a flaring device (20) is installed on the top of the workbench (19), and a flaring tube is installed on one side wall of the flaring device (20) close to the base (1).

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