Quick welding tool for hot melting welding
By introducing clamping and dust extraction mechanisms into the welding fixture for plate heat exchangers, the problems of plate limiting and slag removal have been solved, improving welding quality and safety and simplifying the operation process.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-20
- Publication Date
- 2026-03-24
AI Technical Summary
Existing plate heat exchangers lack effective limiting devices during the hot-melt welding process, which leads to plate displacement, affects the sealing effect, increases the risk of leakage, and makes it inconvenient to clean welding residues.
A rapid welding fixture including a clamping mechanism and a dust collection mechanism was designed. The clamping mechanism moves the clamping plate by a motor-driven gear and rack, and the dust collection mechanism removes welding slag by a vacuum cleaner and a collection ring.
It achieves stable and limited welding of plates, reduces the risk of incomplete welding and desoldering, improves welding quality and safety, and makes cleaning welding slag convenient and efficient, thus extending the service life of the equipment.
Smart Images

Figure CN224026868U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to welding tooling technical field, especially relates to a quick welding tooling for hot melt welding. BACKGROUND
[0002] In plate heat exchanger, its core component plate, usually by metal or special material is made, undertakes the key task of heat exchange, under long-term complex heat exchange working condition, the temperature, pressure of equipment interior frequently fluctuate, this puts forward very high demand to the sealing performance between the plate, in order to guarantee that adjacent plate closely fits, prevents medium leakage, the reliable connection of rubber sealing gasket and plate is important, and hot melt welding becomes the common process for realizing this connection.
[0003] In the existing plate heat exchanger plate and rubber sealing gasket hot melt welding process, the plate lacks effective limiting device, when welding, due to lack of accurate limiting and fixing, the plate is prone to displacement under the action of welding thermal stress and external applied pressure, not only leads to rubber sealing gasket unable to accurately welded into the sealing groove of plate predetermined position, influences sealing effect, still can cause welding place to appear virtual welding, delamination and other quality defects, increases the leakage risk of plate heat exchanger when running, therefore, we launch a new quick welding tooling for hot melt welding. UTILITY MODEL CONTENTS
[0004] The utility model discloses a main purpose lies in providing a quick welding tooling for hot melt welding, can effectively solve the problem in the background art.
[0005] To achieve the above object, the technical scheme that the utility model adopts is:
[0006] A quick welding tooling for hot melt welding, including the welding platform, the clamping mechanism is fixedly installed in the middle part of the lower end of the welding platform, the dust extraction mechanism is arranged in the right side of the welding platform, the pad is fixedly connected in the middle part of the upper end of the welding platform, the No.
[0007] Preferably, the clamping mechanism includes a motor, and a gear is fixedly mounted on the output end of the motor via a rotating rod. A rack is meshed with both the front and rear parts of the outer surface of the gear. A first slide rod is fixedly connected to the left front end of the front rack and the right rear end of the rear rack. A first connecting strip is fixedly connected to the ends of the two first slide rods away from the rack. A clamping plate is fixedly connected to the side of the two first connecting strips near the gear. A clamping pad is fixedly connected to the opposite sides of the two clamping plates. A second clamping strip is fixedly connected to the rear end of the left clamping plate and the front end of the right clamping plate. A second slide rod is fixedly connected to the lower part of the side of the two second clamping strips near the gear.
[0008] Preferably, the motor is fixedly installed at the lower end of the welding table, the gear and the two racks are located inside the welding table, and the two first slide rods are respectively slidably connected to the two first slide grooves.
[0009] Preferably, both clamping plates are located above the welding table, and the two clamping plates are symmetrically distributed from left to right, and the two second sliding rods are slidably connected to the two second sliding grooves respectively.
[0010] Preferably, the vacuuming mechanism includes a vacuum cleaner and a storage ring. The upper end of the vacuum cleaner is provided with a vacuum tube, and a vacuum head is fixedly connected to the end of the vacuum tube away from the vacuum cleaner. A fixing plate is fixedly connected to the left side of the outer surface of the storage ring, and a knob is threadedly connected to the right side of the outer surface of the storage ring.
[0011] Preferably, the vacuum cleaner is located on the right side of the welding table, and the vacuum head is interlocked with the storage ring.
[0012] Preferably, the left end of the fixing plate is fixedly connected to the welding table, and the end of the knob is in close contact with the vacuum head.
[0013] Compared with the prior art, the present invention has the following beneficial effects:
[0014] 1. By setting up a clamping mechanism, the plate heat exchanger plates to be welded are placed on the pads. By starting the motor, the motor drives the rotating rod to rotate with the gear. When the gear rotates, the two racks can move relative to each other, thereby allowing the clamping plates to move relative to each other. This makes the two clamping pads tightly adhere to the sides of the plate, thus limiting and fixing the plate on the welding table. Then, hot-melt welding is performed using external hot-melt welding equipment. This can resist the interference of thermal stress and external pressure during the welding process, reduce the possibility of plate displacement, lay a solid foundation for achieving high-quality welding, reduce quality hazards such as incomplete welding and detachment, and ensure the welding quality and operational safety of the plate heat exchanger.
[0015] 2、By setting dust collection mechanism, when the plate heat exchanger plate and rubber sealing gasket hot melt welding is successfully completed, welding table often will be left some welding slag, at this time, start the dust collector, using the dust collection head can easily suck off the welding slag, quickly restore the cleaning state of the table, provide a good operating environment for the subsequent welding work, and after the suction work is completed, insert the dust collection head into the storage ring from below the storage ring, and fix it by rotating the knob, not only save space, but also avoid damage caused by random placement, prolong its service life, further improve the convenience and efficiency of the whole welding work process. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is a whole structure schematic view of the quick welding tool for hot melt welding of the utility model;
[0017] Figure 2 It is a rear view of the quick welding tool for hot melt welding of the utility model;
[0018] Figure 3 It is a whole structure schematic view of the clamping mechanism of the quick welding tool for hot melt welding of the utility model;
[0019] Figure 4 It is a whole structure schematic view of the dust collection mechanism of the quick welding tool for hot melt welding of the utility model.
[0020] In the figure: 1, welding table; 2, clamping mechanism; 21, motor; 22, gear; 23, rack; 24, No. 1 slide rod; 25, No. 1 connecting strip; 26, clamping plate; 27, clamping pad; 28, No. 2 clamping strip; 29, No. 2 slide rod; 3, dust collection mechanism; 31, dust collector; 32, storage ring; 33, dust collection pipe; 34, dust collection head; 35, fixed sheet; 36, knob; 4, pad; 5, No. 1 sliding groove; 6, No. 2 sliding groove; 7, vertical plate; 8, foot pad. DETAILED DESCRIPTION
[0021] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the following will further describe the utility model in combination with specific embodiments.
[0022] In the description of the utility model, it should be pointed out that the orientation or position relationship indicated by the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and therefore cannot be understood as limiting the utility model. In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0023] In the description of the utility model, it is to explain, unless there is explicit provision and limitation, the term "installation", "set with", "connection" and so on, should do broad sense understanding, for example "connection", can be fixed connection, also can be detachable connection, or integrally connected, can be mechanical connection, also can be electrical connection, can be direct connection, also can pass through intermediate medium indirectly connect, can be two element inside intercommunication. For ordinary skilled person in the art, the specific meaning of the above terms in the utility model can be understood according to specific circumstances.
[0024] Please refer to Figures 1-4 The utility model provides a technical scheme:
[0025] A kind of quick welding tool for hot melting welding, including welding table 1, clamping mechanism 2 is fixedly installed in the middle of the lower end of welding table 1, dust extraction mechanism 3 is provided at the right side of welding table 1, backing pad 4 is fixedly connected in the middle of the upper end of welding table 1, one sliding slot 5 is set in the left lower part and the right lower part of the front end of welding table 1, two sliding slots 6 are set in the right upper part and the left upper part of the front end of welding table 1, vertical plate 7 is fixedly connected in the left part and the right part of the lower end of welding table 1, the lower end of two vertical plates 7 is fixedly connected with foot pad 8.
[0026] In the embodiment, clamping mechanism 2 includes motor 21, the output end of motor 21 is fixedly installed with gear 22 through rotating rod, the front part and the rear part of the outer surface of gear 22 are all engagedly connected with rack 23, the left part of the front end of the front rack 23 and the right part of the rear end of the rear rack 23 are all fixedly connected with one sliding rod 24, the end of the two one sliding rods 24 away from rack 23 is all fixedly connected with one connecting strip 25, the side of the two one connecting strips 25 close to gear 22 is all fixedly connected with clamping plate 26, the opposite surface of the two clamping plates 26 is all fixedly connected with clamping pad 27, the rear end of the left clamping plate 26 and the front end of the right clamping plate 26 are all fixedly connected with two clamping strips 28, the lower part of the side of the two two clamping strips 28 close to gear 22 is all fixedly connected with two sliding rods 29, motor 21 is fixedly installed in the lower end of welding table 1, gear 22 and two rack 23 are all located in the inside of welding table 1, two one sliding rods 24 are respectively and two one sliding slots 5 are inserted and slidably connected, two clamping plates 26 are all located above welding table 1, and two clamping plates 26 are symmetrically distributed left and right, two two sliding rods 29 are respectively slidably connected with two two sliding slots 6.
[0027] Through the above scheme: the plate heat exchanger plate to be welded is placed on the backing plate 4, the motor 21 is started, the motor 21 drives the rotating rod to rotate with the gear 22, the gear 22 rotates to enable the two racks 23 to move relatively, thereby enabling the clamping plate 26 to move relatively, enabling the two clamping pads 27 to be tightly attached to the two sides of the plate, thereby enabling the plate to be fixed in position on the welding table 1 and to be hot melt welded by the external hot melt welding equipment.
[0028] In the embodiment, the dust collection mechanism 3 comprises a dust collector 31 and a storage ring 32, the upper end of the dust collector 31 is provided with a dust collection pipe 33, the end of the dust collection pipe 33 away from the dust collector 31 is fixedly connected with a dust collection head 34, the outer surface of the left part of the storage ring 32 is fixedly connected with a fixed sheet 35, the outer surface of the right part of the storage ring 32 is threadedly connected with a knob 36, the dust collector 31 is located on the right side of the welding table 1, the dust collection head 34 is threadedly connected with the storage ring 32, the left end of the fixed sheet 35 is fixedly connected with the welding table 1, and the end of the knob 36 is tightly attached to the dust collection head 34.
[0029] Through the above scheme: when the plate heat exchanger plate is hot melt welded with the rubber sealing gasket, some welding slag is often left on the welding table 1, at this time, the dust collector 31 is started, and the welding slag can be easily sucked and removed by the dust collection head 34, so that the cleaning state of the table is quickly restored, and a good operating environment is provided for subsequent welding work.
[0030] It should be noted that the utility model is a kind of hot melt welding quick welding tool, in the process of using, the plate heat exchanger plate to be welded is placed on the backing plate 4, then the motor 21 is started, the motor 21 drives the rotating rod to drive the gear 22 to rotate, the rotating movement of the gear 22 enables the two racks 23 to move relatively, thereby driving the clamping plate 26 to also move relatively, until the two clamping pads 27 are tightly attached to the two sides of the plate, so that the plate is stably fixed in position on the welding table 1, then the plate is hot melt welded by the external hot melt welding equipment, this fixing mode can resist thermal stress and external pressure in the welding process, reduce the risk of plate displacement, provide strong guarantee for high-quality welding, reduce quality problems such as virtual welding and welding, ensure the welding quality and operation safety of the plate heat exchanger, after welding is completed, some welding slag may be left on the welding table 1, at this time, only the dust collector 31 is started, and the welding slag can be easily removed by the dust collection head 34, so that the cleaning of the welding table 1 is quickly restored, and after the dust collection work is completed, the dust collection head 34 can be inserted from below the storage ring 32 and the knob 36 is tightened to be fixed, so that space is saved, and the dust collection head 34 can be prevented from being damaged due to random placement, the service life is prolonged, and the convenience and efficiency of the welding work process are further improved.
[0031] The basic principle and main features of the present application and the advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.
Claims
1. A rapid welding fixture for hot melt welding, comprising a welding table (1), characterized in that: A clamping mechanism (2) is fixedly installed at the lower middle of the welding table (1). A dust collection mechanism (3) is provided on the right side of the welding table (1). A pad (4) is fixedly connected to the upper middle of the welding table (1). A first sliding groove (5) is opened at the lower left front end and the lower right rear end of the welding table (1). A second sliding groove (6) is opened at the upper right front end and the upper left rear end of the welding table (1). A vertical plate (7) is fixedly connected to the lower left and lower right ends of the welding table (1). A foot pad (8) is fixedly connected to the lower ends of the two vertical plates (7). The clamping mechanism (2) includes a motor (21). A gear (22) is fixedly mounted on the output end of the motor (21) via a rotating rod. A rack (23) is meshed with both the front and rear parts of the outer surface of the gear (22). A first slide rod (24) is fixedly connected to the left front end of the rack (23) and the right rear end of the rack (23). A first connecting rod is fixedly connected to the ends of the two first slide rods (24) away from the rack (23). Each of the two first connecting strips (25) is fixedly connected to a clamping plate (26) on the side near the gear (22). Each of the two clamping plates (26) is fixedly connected to a clamping pad (27) on the opposite side. Each of the two clamping plates (26) is fixedly connected to a second clamping strip (28) at the rear end of the left clamping plate (26) and the front end of the right clamping plate (26). Each of the two second clamping strips (28) is fixedly connected to a second sliding rod (29) at the lower part of the side near the gear (22).
2. The rapid welding fixture for hot melt welding according to claim 1, characterized in that: The motor (21) is fixedly installed at the lower end of the welding table (1). The gear (22) and the two racks (23) are located inside the welding table (1). The two first slide rods (24) are respectively slidably connected to the two first slide grooves (5).
3. The rapid welding fixture for hot melt welding according to claim 1, characterized in that: Both clamping plates (26) are located above the welding table (1), and the two clamping plates (26) are symmetrically distributed from left to right. The two second slide rods (29) are slidably connected to the two second slide grooves (6) respectively.
4. The rapid welding fixture for hot melt welding according to claim 1, characterized in that: The vacuuming mechanism (3) includes a vacuum cleaner (31) and a storage ring (32). The upper end of the vacuum cleaner (31) is provided with a vacuum tube (33). The end of the vacuum tube (33) away from the vacuum cleaner (31) is fixedly connected to a vacuum head (34). The left side of the outer surface of the storage ring (32) is fixedly connected to a fixing piece (35). The right side of the outer surface of the storage ring (32) is threaded with a knob (36).
5. The rapid welding fixture for hot melt welding according to claim 4, characterized in that: The vacuum cleaner (31) is located on the right side of the welding table (1), and the vacuum head (34) is inserted and connected to the storage ring (32).
6. The rapid welding fixture for hot melt welding according to claim 4, characterized in that: The left end of the fixing plate (35) is fixedly connected to the welding table (1), and the end of the knob (36) is in close contact with the dust suction head (34).