Hot welding machine for plastic pipe fitting machining

Abstract

The utility model relates to the technical field of plastic pipe fitting machining, and discloses a hot welding machine for plastic pipe fitting machining, which comprises a machine table, a connecting block is fixedly connected to the upper surface of the machine table, springs are fixedly connected to the left side and the right side of the connecting block, and a sliding block is fixedly connected to one side, far away from the connecting block, of each spring. Through the arrangement of the connecting block, the spring, the sliding block, the T-shaped groove, the T-shaped column, the first electric push rod, the fixing mechanism and the clamping mechanism, when the clamping mechanism does not clamp the pipe fitting main body, the sliding block can be pushed through the first electric push rod to enable the spring to be stretched, and when the clamping mechanism clamps the pipe fitting main body, the first electric push rod is separated from the sliding block to enable the clamping mechanism to clamp the pipe fitting main body. The stretched spring exerts pulling force on the sliding block, the two sections of pipe fitting bodies make close contact through the pulling force, and then the situation that when the two sections of pipe fitting bodies are welded together, the two sections of pipe fitting bodies make not close contact, and consequently the welding position is unqualified is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic pipe processing, in particular to a heat welding machine for plastic pipe processing. Background Art

[0002] During the processing of plastic pipe fittings, different pipe fittings need to be welded together by hot melting. During welding, the arc heating plate on the heat welding machine is turned on by a controller, and then the pipe fittings are welded by the heated arc heating plate. For example, a heat welding machine for plastic pipe fittings processing disclosed in Chinese patent announcement No. CN220614998U is disclosed. However, when welding pipe fittings, the welded pipe fittings are often unqualified due to insufficient contact between the two sections of the pipe fittings. Utility Model Content

[0003] The purpose of the utility model is to solve the shortcomings existing in the prior art. For example, at present, when a heat welding machine is used to weld two sections of pipe fittings, the contact between the two sections of pipe fittings is often not tight enough, resulting in unqualified pipe fittings after welding. A heat welding machine for processing plastic pipe fittings is proposed.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] A hot welding machine for processing plastic pipe fittings comprises a machine platform, a connecting block is fixedly connected to the upper surface of the machine platform, a spring is fixedly connected to the left and right sides of the connecting block, a slider is fixedly connected to the side of the spring away from the connecting block, a T-shaped slot is provided at the bottom of the slider, a T-shaped column is fitted on the inner wall of the T-shaped slot, the bottom of the T-shaped column is fixedly connected to the upper surface of the machine platform, a first electric push rod is fixedly connected to the left and right sides of the connecting block, a fixing mechanism is fixedly connected to the front and rear sides of the slider, a clamping mechanism is fixedly connected to the upper surface of the slider, a hot welding mechanism is fixedly connected to the upper surface of the connecting block, and a pipe fitting body is fitted on the inner wall of the clamping mechanism.

[0006] Preferably, the fixing mechanism includes a second electric push rod, the front and rear sides of the slider are fixedly connected to the surface of the second electric push rod, the bottom end of the second electric push rod is fixedly connected to a first mounting block, and the bottom of the first mounting block is fixedly connected to a rubber pad.

[0007] Preferably, the clamping mechanism includes a first U-shaped plate, the bottom of the first U-shaped plate is fixedly connected to the upper surface of the slider, the bottom of the inner wall of the first U-shaped plate is fixedly connected to a positioning block, the upper surface of the positioning block is provided with a placement groove, the top of the inner wall of the first U-shaped plate is fixedly connected to a third electric push rod, the bottom end of the third electric push rod is fixedly connected to a pressing block, the bottom of the pressing block and the inner wall of the placement groove are both in contact with the surface of the pipe body.

[0008] Preferably, the hot welding mechanism includes a second U-shaped plate, the bottom of the second U-shaped plate is fixedly connected to the upper surface of the connecting block, the upper and lower sides of the inner wall of the second U-shaped plate are fixedly connected to a fourth electric push rod, the side of the fourth electric push rod close to the pipe body is fixedly connected to a second mounting block, and the side of the second mounting block close to the pipe body is fixedly connected to an arc-shaped heating plate.

[0009] Preferably, a fifth electric push rod is fixedly connected to both the upper and lower sides of the inner wall of the second U-shaped plate, and a support plate is fixedly connected to the side of the fifth electric push rod close to the pipe body. A mounting hole is opened inside the support plate, and a cooling fan is fixedly connected to the inner wall of the mounting hole.

[0010] Preferably, the minimum distance between the first mounting block and the machine platform is greater than the thickness of the rubber pad, and the maximum distance between the first mounting block and the machine platform is greater than the thickness of the rubber pad.

[0011] Compared with the prior art, the beneficial effects of the utility model are:

[0012] (1) The utility model is provided with a connecting block, a spring, a slider, a T-slot, a T-column, a first electric push rod, a fixing mechanism and a clamping mechanism, wherein when the clamping mechanism does not clamp the pipe body, the slider can be pushed by the first electric push rod to stretch the spring; when the clamping mechanism clamps the pipe body, the first electric push rod is separated from the slider, and the stretched spring applies a pulling force to the slider, and the two sections of the pipe body are brought into close contact through the pulling force, thereby preventing the welding of the two sections of the pipe body from being unqualified due to insufficient close contact between the two sections of the pipe body when the two sections of the pipe body are welded together; at the same time, when welding the pipe body, the slider can be locked by the fixing mechanism, thereby preventing the pipe body from moving during the welding process.

[0013] (2) The utility model can adjust the distance between the cooling fan and the pipe body through the fifth electric push rod. At the same time, when the cooling fan is turned on, the airflow generated by the cooling fan can dissipate the heat at the welding point of the two sections of the pipe body, thereby enabling the heat welding machine to reduce the temperature of the welding point. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] Figure 1 It is a schematic diagram of the structure of the utility model;

[0015] Figure 2 It is a side view of the slider in the utility model;

[0016] Figure 3 It is a right side view of the heat welding mechanism in the utility model;

[0017] Figure 4 It is a schematic diagram of the support plate in the utility model.

[0018] In the figure: 1. machine table; 2. connecting block; 3. spring; 4. slider; 5. T-slot; 6. T-column; 7. first electric push rod; 8. fixing mechanism; 81. second electric push rod; 82. first mounting block; 83. rubber pad; 9. clamping mechanism; 91. first U-shaped plate; 92. positioning block; 93. placement groove; 94. third electric push rod; 95. pressing block; 10. hot welding mechanism; 101. second U-shaped plate; 102. fourth electric push rod; 103. second mounting block; 104. arc heating plate; 11. pipe body; 12. fifth electric push rod; 13. support plate; 14. mounting hole; 15. cooling fan. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0020] In the description of the present invention, it should be understood that the terms "upper", "lower", "front", "back", "left", "right", "top", "bottom", "inside", "outside", etc., indicating directions or positional relationships, are based on the directions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and therefore should not be understood as a limitation on the present invention.

[0021] Embodiment 1:

[0022] Reference Figure 1-3 A hot welding machine for processing plastic pipe fittings comprises a machine table 1, a connecting block 2 is fixedly connected to the upper surface of the machine table 1, a spring 3 is fixedly connected to the left and right sides of the connecting block 2, a slider 4 is fixedly connected to the side of the spring 3 away from the connecting block 2, a T-shaped slot 5 is provided at the bottom of the slider 4, a T-shaped column 6 is fitted on the inner wall of the T-shaped slot 5, the bottom of the T-shaped column 6 is fixedly connected to the upper surface of the machine table 1, and the slider 4 can only move left and right through the cooperation of the T-shaped column 6 and the T-shaped slot 5, and the left and right sides of the connecting block 2 are fixedly connected to the first electric push rod 7. When the first electric push rod 7 is extended, the distance between the slider 4 and the connecting block 2 can be increased through the first electric push rod 7, and the spring 3 is stretched, and the front and rear sides of the slider 4 are fixedly connected to the fixing mechanism 8, the upper surface of the slider 4 is fixedly connected to the clamping mechanism 9, the upper surface of the connecting block 2 is fixedly connected to the hot welding mechanism 10, and the inner wall of the clamping mechanism 9 is fitted with a pipe fitting body 11.

[0023] The fixing mechanism 8 includes a second electric push rod 81, and the front and rear sides of the slider 4 are fixedly connected to the surface of the second electric push rod 81. The bottom end of the second electric push rod 81 is fixedly connected to a first mounting block 82, and the bottom of the first mounting block 82 is fixedly connected to a rubber pad 83. The minimum distance between the first mounting block 82 and the machine 1 is greater than the thickness of the rubber pad 83, and the maximum distance between the first mounting block 82 and the machine 1 is greater than the thickness of the rubber pad 83. The rubber pad 83 can be controlled to move up and down by the second electric push rod 81. When the rubber pad 83 contacts the machine 1, the friction between the rubber pad 83 and the machine 1 makes the slider 4 unable to move. When the rubber pad 83 is separated from the machine 1, the slider 4 can move freely.

[0024] The clamping mechanism 9 includes a first U-shaped plate 91, the bottom of which is fixedly connected to the upper surface of the slider 4, a positioning block 92 is fixedly connected to the bottom of the inner wall of the first U-shaped plate 91, a placement groove 93 is provided on the upper surface of the positioning block 92, a third electric push rod 94 is fixedly connected to the top of the inner wall of the first U-shaped plate 91, a pressing block 95 is fixedly connected to the bottom end of the third electric push rod 94, the bottom of the pressing block 95 and the inner wall of the placement groove 93 are both in contact with the surface of the pipe body 11, and the pressing block 95 can be controlled to move up and down by controlling the third electric push rod 94. When the pressing block 95 presses the pipe body 11 in the placement groove 93, the pipe body 11 can be fixed in the placement groove 93 by the pressing block 95, and when the pressing block 95 is separated from the pipe body 11, the pipe body 11 can be directly taken out of the placement groove 93.

[0025] The hot welding mechanism 10 includes a second U-shaped plate 101, the bottom of the second U-shaped plate 101 is fixedly connected to the upper surface of the connecting block 2, the upper and lower sides of the inner wall of the second U-shaped plate 101 are fixedly connected with a fourth electric push rod 102, the side of the fourth electric push rod 102 close to the pipe body 11 is fixedly connected with a second mounting block 103, the side of the second mounting block 103 close to the pipe body 11 is fixedly connected with an arc heating plate 104, the arc heating plate 104 is controlled to move up and down by the fourth electric push rod 102, when the arc heating plate 104 contacts with the pipe body 11 and generates heat, the connection between the two sections of the pipe body 11 is hot-welded by the arc heating plate 104.

[0026] Embodiment 2:

[0027] Reference Figure 1-4A fifth electric push rod 12 is fixedly connected to both upper and lower sides of the inner wall of the second U-shaped plate 101. A support plate 13 is fixedly connected to the side of the fifth electric push rod 12 close to the pipe body 11. A mounting hole 14 is provided inside the support plate 13. A cooling fan 15 is fixedly connected to the inner wall of the mounting hole 14. The distance between the cooling fan 15 and the pipe body 11 can be adjusted by the fifth electric push rod 12. At the same time, when the cooling fan 15 is turned on, the airflow generated by the cooling fan 15 can dissipate the heat at the welding point of the two sections of the pipe body 11, thereby enabling the hot welding machine to have the function of reducing the temperature of the welding point.

[0028] In the utility model, when the user uses the hot welding machine, the distance between the slider 4 and the connecting block 2 is increased by the first electric push rod 7, and the spring 3 is stretched. Then, the pipe body 11 is placed in the placement groove 93, and the pressing block 95 is pressed on the pipe body 11 by the third electric push rod 94. At this time, the pipe body 11 is fixed in the placement groove 93 by the pressing force. Then, the first electric push rod 7 is separated from the slider 4, and the connection between the two sections of the pipe body 11 is closely contacted by the stretched spring 3. Then, the rubber pad 83 is contacted with the machine table 1 by the second electric push rod 81. At this time, the slider 4 is locked by the friction between the rubber pad 83 and the machine table 1. Then, the arc heating plate 104 is contacted with the pipe body 11 by the fourth electric push rod 102, and the arc heating plate 104 is opened to make The arc heating plate 104 generates heat. At this time, the two sections of the pipe body 11 are welded by the heated arc heating plate 104. After the welding of the pipe body 11 is completed, the arc heating plate 104 is separated from the pipe body 11 by the fourth electric push rod 102, and the cooling fan 15 is moved close to the pipe body 11 by the fifth electric push rod 12. Then, the cooling fan 15 is turned on, and the airflow generated by the cooling fan 15 can dissipate the heat at the welding point of the two sections of the pipe body 11. At this time, the temperature of the welding point can be reduced. When the temperature of the welding point is reduced to a specified value, the cooling fan 15 is returned to the initial position by the fifth electric push rod 12, and the pressing block 95 is returned to the initial position by the third electric push rod 94. At this time, the pipe body 11 can be taken out of the placement groove 93, and the rubber pad 83 is separated from the machine 1 by the second electric push rod 81.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

[0030] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

Claims

1. A heat welding machine for processing plastic pipe fittings, comprising a machine platform (1), characterized in that: The upper surface of the machine (1) is fixedly connected to a connecting block (2), the left and right sides of the connecting block (2) are fixedly connected to a spring (3), the side of the spring (3) away from the connecting block (2) is fixedly connected to a slider (4), the bottom of the slider (4) is provided with a T-shaped groove (5), the inner wall of the T-shaped groove (5) is fitted with a T-shaped column (6), the bottom of the T-shaped column (6) is fixedly connected to the upper surface of the machine (1), the left and right sides of the connecting block (2) are fixedly connected to a first electric push rod (7), the front and rear sides of the slider (4) are fixedly connected to a fixing mechanism (8), the upper surface of the slider (4) is fixedly connected to a clamping mechanism (9), the upper surface of the connecting block (2) is fixedly connected to a hot welding mechanism (10), and the inner wall of the clamping mechanism (9) is fitted with a pipe body (11).

2. A heat welding machine for processing plastic pipes according to claim 1, characterized in that: The fixing mechanism (8) comprises a second electric push rod (81), the front and rear sides of the slider (4) are fixedly connected to the surface of the second electric push rod (81), the bottom end of the second electric push rod (81) is fixedly connected to a first mounting block (82), and the bottom of the first mounting block (82) is fixedly connected to a rubber pad (83).

3. A heat welding machine for processing plastic pipes according to claim 1, characterized in that: The clamping mechanism (9) comprises a first U-shaped plate (91), the bottom of the first U-shaped plate (91) is fixedly connected to the upper surface of the slider (4), the bottom of the inner wall of the first U-shaped plate (91) is fixedly connected to a positioning block (92), the upper surface of the positioning block (92) is provided with a placement groove (93), the top of the inner wall of the first U-shaped plate (91) is fixedly connected to a third electric push rod (94), the bottom end of the third electric push rod (94) is fixedly connected to a pressing block (95), and the bottom of the pressing block (95) and the inner wall of the placement groove (93) are both in contact with the surface of the pipe body (11).

4. A heat welding machine for processing plastic pipes according to claim 1, characterized in that: The hot welding mechanism (10) comprises a second U-shaped plate (101), the bottom of the second U-shaped plate (101) is fixedly connected to the upper surface of the connecting block (2), the upper and lower sides of the inner wall of the second U-shaped plate (101) are fixedly connected to a fourth electric push rod (102), the side of the fourth electric push rod (102) close to the pipe body (11) is fixedly connected to a second mounting block (103), and the side of the second mounting block (103) close to the pipe body (11) is fixedly connected to an arc-shaped heating plate (104).

5. A heat welding machine for processing plastic pipes according to claim 4, characterized in that: A fifth electric push rod (12) is fixedly connected to both upper and lower sides of the inner wall of the second U-shaped plate (101); a side of the fifth electric push rod (12) close to the pipe body (11) is fixedly connected to a support plate (13); a mounting hole (14) is provided inside the support plate (13); and a cooling fan (15) is fixedly connected to the inner wall of the mounting hole (14).

6. A heat welding machine for processing plastic pipes according to claim 2, characterized in that: The minimum distance between the first mounting block (82) and the machine platform (1) is greater than the thickness of the rubber pad (83), and the maximum distance between the first mounting block (82) and the machine platform (1) is greater than the thickness of the rubber pad (83).

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