Plastic expansion water tank welding machine

By designing an automated welding machine for plastic expansion tanks, a cylinder and guide rail system is used to achieve precise positioning and heating of the neck and tank body. This solves the problems of low welding efficiency and unstable quality in existing technologies, improves product consistency and airtightness, and reduces production costs.

CN223590138UActive Publication Date: 2025-11-25LIUZHOU TONGSHUN AUTO PARTS
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Patent Information

Application Number
CN202422872622.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-25
Publication Date
2025-11-25
Estimated Expiration
2034-11-25

AI Technical Summary

Technical Problem

The existing expansion tank welding process suffers from low production efficiency, poor product consistency, and unreliable welding quality, especially due to defects caused by manual welding.

Method used

A plastic expansion tank welding machine was designed, which uses components such as a workbench, neck clamp, tank clamp and heating plate. The machine achieves automated welding through a cylinder and guide rail system, ensuring precise positioning and heating of the neck and tank. The control system controls the movement of the heating plate and the welding process.

Benefits of technology

This technology enables highly efficient and automated welding of expansion tanks, improving product consistency and airtightness, reducing production costs, and enhancing the company's economic benefits.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a plastic expansion tank welding machine, a plastic expansion tank comprises a tank body and a neck part which are separately arranged, the plastic expansion tank welding machine comprises a workbench, a neck part clamp, a tank body clamp, a heating plate and a control system, and the tank body clamp and the neck part clamp are arranged on the workbench in a left-right spaced mode and are both connected with a driving device; the heating plate is arranged on the side edges of the box clamp and the neck clamp, a first guide rail is arranged below the heating plate and on the workbench, a first sliding block is arranged on the first guide rail, the heating plate is connected with the upper end face of the first sliding block through a first supporting frame, a first air cylinder is arranged on the side edge of the first guide rail in parallel, and a first connecting rod is arranged on the rear end face of the first sliding block. The first connecting rod is parallel to a piston rod of the first air cylinder and connected with the first piston rod through a second connecting rod, so that the first connecting rod and the first piston rod can advance and retreat together, and the heating plate is pushed into or moved out of a gap between the box clamp and the neck clamp. The expansion water tank welded by the welding machine is good in consistency.
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Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of automobile parts production equipment, in particular to a plastic expansion water tank welding machine. BACKGROUND

[0002] In the cooling system of the automobile, the expansion water tank is the subsidiary water tank of the main radiator, its function is to adjust the water quantity in the water tank of the automobile engine, so that the air and steam are no longer discharged and guided into the expansion water tank, in the expansion water tank, the steam can be condensed into water, and then can enter the water tank through the water supplement pipe, so that the water circulation is maintained, the heat dissipation is effectively strengthened, and the service life of the engine is prolonged.

[0003] In the prior art, the upper and lower tank bodies and the neck are usually welded manually, manual welding may cause poor consistency of the water tank due to poor control of force, angle and the like, and there may be problems of poor air tightness, and manual welding is slow, time-consuming and labor-consuming, and the welding quality cannot be guaranteed.

[0004] The disclosure of the above background art content is only used to assist in understanding the concept and technical scheme of the utility model, and it does not necessarily belong to the prior art of the present patent application. UTILITY MODEL CONTENT

[0005] The utility model aims at providing a plastic expansion water tank welding machine to solve the technical problems of low production efficiency, poor product consistency and unguaranteed welding quality in the prior art.

[0006] Therefore, the utility model provides a plastic expansion water tank welding machine.

[0007] Preferably, the utility model can have the following technical features:

[0008] A plastic expansion water tank welding machine, the plastic expansion water tank comprises a tank body and a neck arranged separately, comprising a workbench, a neck clamp, a tank body clamp, a heating plate and a control system, the neck clamp, the tank body clamp and the heating plate are electrically connected with the control system;

[0009] The tank body clamp and the neck clamp are arranged on the workbench with a spacing left and right, and the tank body clamp and the neck clamp are connected with a driving device, so that the tank body clamp and the neck clamp can move left and right to approach and move away from each other;

[0010] The heating plate is arranged at the side of the box clamp and the neck clamp, a first guide rail is arranged below the heating plate on the workbench, a first sliding block is arranged on the first guide rail, the heating plate is connected with the upper end surface of the first sliding block through a first support frame, a first cylinder is arranged in parallel at the side of the first guide rail, a first connecting rod is arranged on the rear end surface of the first sliding block, the first connecting rod is arranged in parallel with the first piston rod of the first cylinder, and the first connecting rod and the first piston rod are connected through a second connecting rod, so that the first connecting rod and the first piston rod can advance and retreat together, so as to push the heating plate into or move the heating plate out of the gap between the box clamp and the neck clamp.

[0011] Preferably, the first support frame comprises a second support frame and a third support frame arranged in sequence, the heating plate is arranged on the second support frame, the third support frame is connected with the first sliding block, and the second support frame and the third support frame are connected through bolts, and the connection position is variable, so as to adjust the height of the heating plate.

[0012] Preferably, a waist-shaped hole is vertically arranged on the second support frame, and the bolt passes through the waist-shaped hole to fix the second support frame to the third support frame.

[0013] Preferably, the first flat plate and the second flat plate are further provided, a plurality of groups of second guide rails and second sliding blocks are arranged on the lower part of the first flat plate and the second flat plate, the neck clamp and the box clamp are arranged on the first flat plate and the second flat plate respectively, the driving device is a second cylinder, and the left side surface of the first flat plate and the right side surface of the second flat plate are connected with the piston rod of the second cylinder.

[0014] Preferably, a limiting device is arranged on the left side surface of the first flat plate and the right side surface of the second flat plate.

[0015] Preferably, the neck clamp comprises a first bracket and a first clamping plate arranged in correspondence, the first bracket and the first clamping plate are connected with a third cylinder and a fourth cylinder respectively, so that the first bracket and the first clamping plate can move up and down.

[0016] Preferably, two first brackets and first clamping plates are arranged side by side, and a first limiting block is arranged on the first bracket away from the heating plate.

[0017] Preferably, the box clamp comprises a second bracket and a second clamping plate, a plurality of second brackets are arranged on the second flat plate to support the bottom of the box, and the second clamping plate is connected with a fifth cylinder, so that the box clamp can clamp or release the box.

[0018] The utility model discloses a welding machine for the expansion tank, which comprises a workbench, a neck clamp, a box clamp, a heating plate, a first guide rail, a first supporting frame, a first cylinder, a first piston rod, a first connecting rod, a second connecting rod, a first flat plate, a second flat plate, a second cylinder and a limiting device. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is the structure diagram of the specific embodiment of the utility model.

[0020] Mark explanation:

[0021] 1 - workbench;2 - neck clamp;21 - first bracket;211 - first limit bump;22 - first clamping plate;23 - third cylinder;24 - fourth cylinder;3 - box clamp;31 - second bracket;311 - second limit bump;32 - second clamping plate;33 - fifth cylinder;4 - heating plate;5 - first guide rail;6 - first supporting frame;7 - first cylinder;71 - first piston rod;8 - first connecting rod;9 - second connecting rod;10 - first flat plate;11 - second flat plate;12 - second cylinder;13 - limiting device. Specific embodiment

[0022] The utility model discloses a welding machine for the expansion tank, which comprises a workbench, a neck clamp, a box clamp, a heating plate, a first guide rail, a first supporting frame, a first cylinder, a first piston rod, a first connecting rod, a second connecting rod, a first flat plate, a second flat plate, a second cylinder and a limiting device.

[0023] With reference to the following drawings, non-limiting and non-exclusive embodiments will be described, in which the same reference numerals indicate the same parts, unless otherwise specified.

[0024] A kind of plastic expansion tank welding machine, such as Figure 1As shown, the plastic expansion water tank includes a separate tank body and neck, and the welding machine includes a workbench 1, a neck clamp 2, a tank clamp 3, a heating plate 4 and a control device, the neck clamp 2, the tank clamp 3 and the heating plate 4 are electrically connected with the control device to control the movement of the neck clamp 2, the tank clamp 3 and the heating plate 4 through the control device. The tank clamp 3 and the neck clamp 2 are arranged on the left and right of the workbench 1 with a certain distance, when the tank body and the neck are placed on the tank clamp 3 and the neck clamp 2 respectively, a certain distance is required between the tank body and the neck to allow the heating plate 4 to enter the gap, the tank clamp 3 and the neck clamp 2 are connected with the driving device, so that the tank clamp 3 and the neck clamp 2 can move left and right to approach and away from each other. The heating plate 4 is arranged on the side of the tank clamp 3 and the neck clamp 2, a first guide rail 5 is arranged below the heating plate 4 on the workbench 1, a first sliding block is arranged on the first guide rail 5, the heating plate 4 is connected with the upper end surface of the first sliding block through a first support frame 6, a first cylinder 7 is arranged parallel to the side of the first guide rail 5, a first connecting rod 8 is arranged on the rear end surface of the first sliding block, the first connecting rod 8 is arranged parallel to the first piston rod 71 of the first cylinder 7, the first connecting rod 8 and the first piston rod 71 are connected through a second connecting rod 9, so that the first connecting rod 8 and the first piston rod 71 can advance and retreat together to push the heating plate 4 into or out of the gap between the tank clamp 3 and the neck clamp 2.

[0025] Specifically, it also includes a first flat plate 10 and a second flat plate 11, which are provided with a plurality of groups of second guide rails and second sliding blocks at the lower part, the neck clamp 2 and the tank clamp 3 are arranged on the first flat plate 10 and the second flat plate 11 respectively, the driving device is a second cylinder 12, the left side surface of the first flat plate 10 and the right side surface of the second flat plate 11 are connected with the piston rod of the second cylinder 12, so that the second cylinder 12 can drive the first flat plate 10 and the second flat plate 11 to move left and right. Specifically, a limiting device 13 can be arranged on the left side surface of the first flat plate 10 and the right side surface of the second flat plate 11 to prevent the first flat plate 10 and the second flat plate 11 from moving out of the workbench due to control system failure.

[0026] Specifically, the neck clamp 2 comprises a first bracket 21 and a first clamping plate 22 arranged correspondingly, the first bracket 21 and the first clamping plate 22 are connected with a third cylinder 23 and a fourth cylinder 24 respectively, so that the first bracket 21 and the first clamping plate 22 can move up and down. In the embodiment, two first brackets 21 and first clamping plates 22 are arranged side by side, the first bracket 21 away from the heating plate 4 is provided with a first limiting protrusion 211 to limit the position of the neck in the horizontal direction. The first bracket 21 and the first clamping plate 22 cooperate to realize multi-directional positioning, avoid displacement of the neck during welding, and affect the welding quality.

[0027] Specifically, the box clamp 3 comprises a second bracket 31 and a second clamping plate 32, a plurality of second brackets 31 are arranged on the second plate 11 to support the bottom of the box; the second clamping plate 32 is connected with a fifth cylinder 33 to enable the box clamp 3 to clamp or loosen the box. As shown in the figure, the second bracket 31 is provided with a second limiting protrusion 311 around the periphery to limit the position of the box in the horizontal direction. The second bracket 31 and the second clamping plate 32 cooperate to realize multi-directional positioning, avoid displacement of the box during welding, and affect the welding quality. Figure 1

[0028] In some examples of the embodiment, the first support frame 6 can be adjusted in height to enable the welding machine to weld expansion tanks of different models in the same series, thereby improving the application range of the welding machine. The first support frame 6 comprises a second support frame and a third support frame arranged vertically, the heating plate 4 is arranged on the second support frame, the third support frame is connected with the first sliding block, the second support frame and the third support frame are connected by bolts, and the connection position is variable. Specifically, a waist-shaped hole can be vertically arranged on the second support frame, the bolt passes through the waist-shaped hole to fix the second support frame to the third support frame, and the height of the heating plate 4 can be adjusted.

[0029] ​The working principle of the above-mentioned plastic expansion tank welding machine is as follows: according to the size of the expansion tank to be produced, the pushing height of the piston rod of the third cylinder 23 and the height of the heating plate 4 are adjusted in advance, the neck and the tank body are respectively placed on the first bracket 21 and the second bracket 31, the control system controls the downward movement of the fourth cylinder 24 and the fifth cylinder 33 to clamp the neck and the tank body respectively, and the heating program of the heating plate 4 is started, after reaching the preset temperature, the first cylinder 7 is started, and under the joint action of the first guide rail 5, the heating plate 4 is pushed into the gap between the tank body and the neck, the second cylinder 12 is started, and the first flat plate 10 and the second flat plate 11 are pushed to move towards the heating plate 4, so that the welding position of the neck and the tank body around the heating plate is heated and melted, after reaching the preset time, the second cylinder 12 is started again, and the first flat plate 10 and the second flat plate 11 are moved away from the heating plate 4, so that the neck and the tank body are separated from the surface of the heating plate 4, then the first cylinder 7 is started again, so that the heating plate 4 returns to its original position, then the second cylinder 12 is started again, and the first flat plate 10 and the second flat plate 11 are pushed to move towards the welding position, so that the welding position on the neck and the tank body is contacted, after a certain time, the neck and the tank body are finally firmly welded together, the fourth cylinder 24 and the fifth cylinder 33 are started, so that the neck clamp 2 and the tank body clamp 3 are opened, and the welded expansion tank is manually taken out, and the second cylinder 12 is reset, so that the welding of one expansion tank is finally completed.

[0030] Those skilled in the art will recognize that numerous modifications can be made to the above description while still falling within the scope of the present application, and that the examples and figures are merely used to describe one or more specific embodiments.

[0031] While the present application has been described and illustrated with respect to what are presently considered to be the most practical embodiments, it is to be understood that the application is capable of further modifications which will occur to those skilled in the art, having the benefit of this disclosure, and that it is intended to cover any and all such modifications and enhancements as fall within the scope of the present application. Furthermore, although the foregoing text has described and illustrated the present application as being applied to a specific situation, it will be appreciated that the present application is capable of application to many other situations and that the present application is not limited in this respect. Therefore, the application is not to be limited to the specific embodiments disclosed herein, but only to the extent allowed by the appended claims.

Claims

1. A plastic expansion tank welding machine, said plastic expansion tank comprising a body and a neck arranged separately, characterized in that: It comprises a workbench, a neck clamp, a box clamp, a heating plate and a control system, and the neck clamp, the box clamp and the heating plate are electrically connected with the control system; The box clamp and the neck clamp are arranged on the workbench in left and right and spaced manner, and are connected with a driving device, so that the box clamp and the neck clamp can move left and right to approach and move away from each other. The heating plate is arranged on the side of the box clamp and the neck clamp, a first guide rail is arranged on the workbench below the heating plate, a first sliding block is arranged on the first guide rail, the heating plate is connected with the upper end surface of the first sliding block through a first support frame, a first cylinder is arranged in parallel on the side of the first guide rail, a first connecting rod is arranged on the rear end surface of the first sliding block, the first connecting rod and a first piston rod of the first cylinder are arranged in parallel, and the first connecting rod and the first piston rod are connected through a second connecting rod, so that the first connecting rod and the first piston rod can move forward and backward together to push the heating plate into or move it out of the gap between the box clamp and the neck clamp.

2. The plastic expansion tank welding machine of claim 1, wherein: The first support frame comprises a second support frame and a third support frame arranged in an up-down manner, the heating plate is arranged on the second support frame, the third support frame is connected with the first sliding block, and the second support frame and the third support frame are connected by bolts, and the connection position is variable to adjust the height of the heating plate.

3. The plastic expansion tank welding machine of claim 2, wherein: A waist-shaped hole is vertically arranged on the second support frame, and the bolt passes through the waist-shaped hole to fix the second support frame to the third support frame.

4. The plastic expansion tank welding machine of claim 1, wherein: It also comprises a first flat plate and a second flat plate, the lower part of which is provided with a plurality of groups of second guide rails and second sliding blocks, the neck clamp and the box clamp are arranged on the first flat plate and the second flat plate respectively, the driving device is a second cylinder, and the left side surface of the first flat plate and the right side surface of the second flat plate are connected with the piston rod of the second cylinder.

5. The plastic expansion tank welding machine of claim 4, wherein: Limiting devices are arranged on the left side surface of the first flat plate and the right side surface of the second flat plate.

6. The plastic expansion tank welding machine of claim 4, wherein: The neck clamp comprises a first bracket and a first clamping plate arranged in a corresponding up-down manner, and the first bracket and the first clamping plate are respectively connected with a third cylinder and a fourth cylinder, so that the first bracket and the first clamping plate can move up and down.

7. The plastic expansion tank welding machine of claim 6, wherein: Two first brackets and first clamping plates are arranged side by side, and a first limiting protrusion is arranged on the first bracket away from the heating plate.

8. The plastic expansion tank welding machine of claim 4, wherein: The box clamp comprises a second bracket and a second clamping plate, a plurality of second brackets are arranged on the second flat plate to support the bottom of the box, and the second clamping plate is connected with a fifth cylinder to enable the box clamp to clamp or release the box.