PVC welding machine
By designing a rotating clamping mechanism and shock-absorbing casters, the PVC welding machine solves the problem of the non-adjustable welding torch angle in traditional welding machines, achieving flexible welding and high-quality welding results in complex environments.
Patent Information
- Application Number
- CN202423042541.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-10
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-12-10
AI Technical Summary
Traditional PVC welding machines have non-adjustable welding torch angles, making them difficult to adapt to complex and ever-changing construction environments, especially in corners and curved pipes where it is difficult to achieve ideal welding results.
A PVC welding machine including a rotary clamping mechanism was designed. The welding torch is rotatably mounted on the support through the rotary clamping mechanism. Combined with an adjustable multi-lobed sleeve and a locking sleeve, the angle of the welding torch can be flexibly adjusted. It is also equipped with shock-absorbing casters and large wheels to improve stability and welding quality.
It enables flexible adjustment of the welding torch angle to adapt to welding needs in different positions, ensures welding quality, maintains equipment stability on uneven ground, and is suitable for welding operations on various PVC materials.
Smart Images
Figure CN223466733U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to a construction tool, in particular to a PVC welding machine. Background Art
[0002] The welding of waterproofing sheets is a crucial process in the construction of buildings, roads, and railways. Waterproofing sheets are primarily used to prevent water penetration and ensure the stability and durability of the structure. Traditional PVC welding machines typically utilize a fixed welding torch bracket with an unadjustable torch angle, which limits the scope and flexibility of welding operations. This is particularly true in complex and changing construction environments, such as corners and curved pipes. Traditional welding machines often struggle to achieve ideal welding results, or even fail to perform welding operations. Utility Model Content
[0003] The purpose of the utility model is to provide a PVC welding machine to solve the problem that the angle of the welding gun of the traditional PVC welding machine cannot be adjusted.
[0004] The utility model is implemented as follows: a PVC welding machine, which structure includes a movable welding frame, a bracket arranged at the lower part of the movable welding frame, a welding gun bracket connected to the bracket, and a PVC welding gun and a PVC welding rod coil arranged on the welding gun bracket; the welding gun bracket is arranged on the bracket through a rotary clamping mechanism, and the rotary clamping mechanism includes a rotating shaft arranged on the welding gun bracket, a shaft sleeve arranged on the bracket, a multi-petal sleeve arranged in the shaft sleeve, and a locking sleeve inserted in the shaft sleeve, and the rotating shaft is inserted in the locking sleeve, the shaft sleeve and the multi-petal sleeve.
[0005] Furthermore, a cavity for accommodating the multi-petal sleeve is provided inside the shaft sleeve, and an internal thread is provided near the opening of the shaft sleeve.
[0006] Furthermore, the locking sleeve includes an external threaded portion and a handle portion, the external threaded portion is used to cooperate with the shaft sleeve, and a through hole for the rotating shaft to pass through is opened on the locking sleeve.
[0007] Furthermore, the multi-petal sleeve is composed of a plurality of petals, a guiding slope is provided on the outer end of the petal, and a locking slope cooperating therewith is provided on the inner wall of the perforation of the locking sleeve.
[0008] Furthermore, a push rod is provided on the movable welding frame, and a handle is provided on the push rod.
[0009] Furthermore, front wheels and rear wheels are provided at the lower end of the movable welding frame.
[0010] Furthermore, the front wheel includes a shell and a shock-absorbing universal wheel partially arranged in the shell.
[0011] Further, the shock-absorbing universal wheel comprises a supporting plate arranged in the shell, a guide rod penetrating through the supporting plate, and a universal wheel connected to the lower end of the guide rod, wherein a lower flange and an upper flange are arranged on the guide rod, and a spring is arranged between the lower flange and the supporting plate.
[0012] The PVC welding gun can be easily adjusted in angle, welding requirements for welding seams at different positions are met, and accurate welding can be realized by adjusting the angle of the welding gun whether it is a ground joint or a corner joint.
[0013] The large wheel design of the rear wheel can compact the welding seam after welding, ensure the welding quality, and avoid insufficient welding strength caused by insufficient pressure on the welding seam after welding.
[0014] The front wheel of the utility model adopts a shock-absorbing universal wheel, so that the mobile welding frame can also move stably on uneven ground. Especially when the welding machine moves on the construction site, the shock-absorbing function can effectively reduce the influence of vibration on the welding quality, and improve the overall stability of the equipment.
[0015] The utility model has high flexibility and adaptability, can be widely applied to welding operations of various PVC materials, and is especially suitable for outdoor or on-site construction environments. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 is the structural schematic diagram of the utility model.
[0017] Figure 2 is the structural schematic diagram of the rotating clamping mechanism.
[0018] Figure 3 is the structural schematic diagram of the shock-absorbing universal wheel.
[0019] In the drawing: 1, mobile welding frame, 2, support, 3, welding gun support, 4, PVC welding gun, 5, PVC welding rod roll, 6, rotating clamping mechanism, 7, push rod, 8, handle, 9, front wheel, 10, rear wheel, 61, rotating shaft, 62, shaft sleeve, 63, multi-petal sleeve, 64, locking sleeve, 621, internal thread section, 631, petal, 641, external thread part, 642, handle part, 91, shell, 92, shock-absorbing universal wheel, 921, supporting plate, 922, guide rod, 923, universal wheel, 924, upper flange, 925, lower flange, 926, spring. DETAILED DESCRIPTION
[0020] As Figure 1As shown, the utility model of mobile welding frame 1, the support 2 who sets in mobile welding frame 1 lower end, connect on the support 2 welding torch support 3 and set up PVC welding torch 4 and PVC electrode roll 5 on welding torch support 3. PVC electrode roll 5 is used to provide the required electrode for the welding operation of PVC welding torch. Mobile welding frame 1 is arched, and the arched design helps to provide additional strength and stability. The support 2 includes the front support connected to the front of the mobile welding frame 1 and the rear support connected to the rear of the mobile welding frame 1, and the front support and the rear support jointly support the welding torch support 3, so that the welding torch support 3 remains horizontal.
[0021] The welding torch support 3 is rotatably arranged on the support 2, and the welding torch support 3 is arranged on the support 2 by a rotating clamping mechanism 6, as shown in Figure 2 As shown, the rotating clamping mechanism 6 includes a rotating shaft 61 arranged on the welding torch support 3, a shaft sleeve 62 arranged on the support 2, a multi-limb sleeve 63 arranged in the shaft sleeve 62, and a locking sleeve 64 arranged in the shaft sleeve 62. The rotating shaft 61 is fixedly connected to the welding torch support 3, and the rotating shaft 61 is arranged in the locking sleeve 64, the shaft sleeve 62 and the multi-limb sleeve 63. The inside of the shaft sleeve 62 is provided with a cavity for accommodating the multi-limb sleeve 63, one end of the shaft sleeve 62 is provided with an opening, and a section near the opening of the shaft sleeve 62 is provided with an internal thread, forming an internal thread section 621, which is used to connect with the locking sleeve 64. The multi-limb sleeve 63 is composed of a plurality of petals 631, which are arranged obliquely, and the multi-limb sleeve 63 is a conical sleeve with an open outer end. The end of the petals 631 close to the support 2 is fixedly connected to the inner wall of the shaft sleeve 62, and the end away from the support 2 is dispersed outward. In this embodiment, the multi-limb sleeve 63 is a four-limb sleeve, and the number of petals 631 can be selected according to actual conditions.
[0022] The locking sleeve 64 includes an external thread part 641 and a handle part 642, the external thread part 641 is used to cooperate with the internal thread section 621 of the shaft sleeve 62, and the handle part 642 is used to adjust the depth of the external thread part 641 into the shaft sleeve 62 to lock or loosen the rotating shaft 61. A through hole is provided on the locking sleeve 64 for the rotating shaft 61 to pass through, and a plurality of grooves are formed on the outer surface of the handle part 642 to increase the friction force when tightening. The external thread part 641 is used to screw with the internal thread section 621 of the shaft sleeve 62. The outer end of the petals 631 contacts the inner end of the locking sleeve 64, and the outer end of the petals 631 is provided with a guide slope. A locking slope is formed on the inner wall of the through hole at one end of the locking sleeve 64 inside the shaft sleeve 62, and the outer end of the locking slope is larger in size and the inner end is smaller in size. When the rotating shaft 61 is locked, the locking sleeve 64 is rotated clockwise, and the locking sleeve 64 moves towards the inside of the shaft sleeve 62. The locking slope of the locking sleeve 64 presses the guide slope of the petals 631 until the petals 631 lock the rotating shaft 61 so that it cannot rotate. The front and rear ends of the welding torch support 3 are connected to the support 2 through the rotating clamping mechanism 6.
[0023] The mobile welding frame 1 is provided with a push rod 7, a handle 8 is arranged on the push rod 7, a front wheel 9 is arranged at the front lower end of the mobile welding frame 1, and a rear wheel 10 is arranged at the rear lower end of the mobile welding frame 1. The front wheel 9 and the rear wheel 10 are connected by bolts, facilitating disassembly and replacement of the front wheel 9 and the rear wheel 10. The handle 8 is a telescopic handle. The rear wheel 10 is a large wheel with a certain weight, and is used to compact the welded seam during ground welding, thereby ensuring the welding quality. Figure 3 As shown in FIG. 6, the front wheel 9 includes a shell 91 and two or more shock-absorbing universal wheels 92 arranged in the shell 91, and the front wheel 9 and the rear wheel 10 jointly support the mobile welding frame 1 to keep the mobile welding frame 1 balanced. In this embodiment, the number of shock-absorbing universal wheels 92 is three, and the number of shock-absorbing universal wheels 92 can be selected according to actual conditions. The shock-absorbing universal wheel 92 includes a support plate 921 arranged inside the shell 91, a guide rod 922 penetrating the support plate 921, and a universal wheel 923 connected to the lower end of the guide rod 922. An upper flange 924 and a lower flange 925 are arranged on the guide rod 922, the upper flange 924 is located above the support plate 921, the lower flange 925 is located below the support plate 921, a spring 926 is arranged between the lower flange 925 and the lower end surface of the support plate 921 to provide shock-absorbing function, so that the mobile welding frame 1 can move smoothly on uneven ground. The universal wheel 923 is located outside the shell 91.
[0024] When the angle of the PVC welding gun 4 needs to be adjusted, the locking sleeve 64 is counterclockwise rotated to unlock the locking of the multi-petal sleeve 63 on the rotating shaft 61; after the angle of the PVC welding gun 4 is adjusted, the locking sleeve 64 is clockwise rotated, the locking inclined surface of the locking sleeve 64 inwardly extrudes the petal 631 of the multi-petal sleeve 63, and the petal 631 locks and fixes the rotating shaft 61. By adjusting the angle of the PVC welding gun, the welding machine can not only weld the joint of the ground, but also weld the joint of the wall corner.
Claims
1. A PVC welding machine characterized in that, The mobile welding frame, the support arranged at the lower part of the mobile welding frame, the welding gun support connected to the support, and the PVC welding gun and the PVC welding rod roll arranged on the welding gun support; the welding gun support is arranged on the support through a rotating clamping mechanism, the rotating clamping mechanism comprises a rotating shaft arranged on the welding gun support, a shaft sleeve arranged on the support, a multi-limb sleeve arranged in the shaft sleeve, and a locking sleeve penetrating the shaft sleeve, and the rotating shaft penetrates the locking sleeve, the shaft sleeve and the multi-limb sleeve.
2. The PVC welding machine of claim 1, wherein, A cavity accommodating the multi-limb sleeve is arranged in the interior of the shaft sleeve, and an internal thread is arranged near the opening of the shaft sleeve.
3. The PVC welding machine of claim 2, wherein, The locking sleeve comprises an external thread part and a handle part, the external thread part is used for cooperating with the shaft sleeve, and a through hole for the rotating shaft to pass through is arranged on the locking sleeve.
4. The PVC welding machine of claim 3, wherein, The multi-limb sleeve is composed of a plurality of limb pieces, a guide inclined surface is arranged at the outer end of the limb piece, and a locking inclined surface matched with the guide inclined surface is arranged on the inner wall of the through hole of the locking sleeve.
5. The PVC welding machine of claim 1, wherein, A push rod is arranged on the mobile welding frame, and a handle is arranged on the push rod.
6. The PVC welding machine of claim 1, wherein, Front wheels and rear wheels are arranged at the lower end of the mobile welding frame.
7. The PVC welding machine of claim 6, wherein, The front wheel comprises a shell and a shock absorbing universal wheel partially arranged in the shell.
8. The PVC welding machine of claim 7, wherein, The shock absorbing universal wheel comprises a support plate arranged in the shell, a guide rod penetrating the support plate, and a universal wheel connected to the lower end of the guide rod, a lower flange and an upper flange are arranged on the guide rod, and a spring is arranged between the lower flange and the support plate.