CN207432813U - A kind of sealing strip heat sealing machine - Google Patents

Abstract

The utility model discloses a sealing strip welding machine, which comprises a machine frame, a left welding mold assembly and a right welding mold assembly, a backing plate and a heating plate device, and the left and right welding mold assemblies respectively include a backing plate and a fixing block, The fixed block can be adjusted for horizontal and vertical displacement on the backing plate; there is an angle adjustment block on the fixed block, which can perform horizontal displacement and angle adjustment on the fixed block, and there is a welding mold on the angle adjustment block. There is a groove in the mold, and the groove runs through the welding mold in the horizontal direction; a pressing device for pressing the angle adjusting block is arranged behind the angle adjusting block, and the pressing device includes a pressing cylinder and a pressing block, and the pressing block The fixed block is fixed on the compressed air cylinder by pressing the fixed block; a cylinder for driving the fixed block is arranged on the side of the angle adjustment block. The utility model has the advantages of high production efficiency, simple structure, convenient operation, no deformation of the sealing strip and adjustable welding angle.

Description

A sealing strip welding machine

technical field

The utility model relates to the technical field of welding of automobile sealing strip parts, in particular to a sealing strip welding machine.

Background technique

The current sealing strip welding technology of PVC material is hot plate welding, which uses electric heating tubes or plates to reach the set temperature for sealing strip welding. One of the hot plate sliding technology slides from the side hot plate to the positioning block. The end face of the root sealing strip is connected with the hot plate after being melted. However, there are still some deficiencies in the existing welding machines. First, the production efficiency of this welding method is not high; second, the mold material is deformed due to heat; finally, molten plastic will be bonded to both sides of the hot plate, which affects product quality.

Utility model content

The technical problem to be solved by the utility model is to provide a sealing strip welding machine, which has the advantages of high production efficiency, simple structure, convenient operation, difficult deformation of the sealing strip and adjustable welding angle.

The technical solution adopted by the utility model is to provide a sealing strip welding machine, which includes a frame, a left welding mold assembly and a right welding mold assembly located in the front of the frame for fixing the sealing strip, and a welding mold assembly located in the middle of the frame for The backing plate for fixing the left welding mold assembly and the right welding mold assembly, and the heating plate device for melting the sealing strip at the rear of the frame are characterized in that: the left welding mold assembly includes a backing plate and is fixed on the backing plate The first fixed block on the first fixed block can perform horizontal and vertical displacement adjustment on the backing plate; the first fixed block is provided with a first angle adjustment block, and the first angle adjustment block Horizontal displacement and angle adjustment can be performed on the first fixed block. The first angle adjustment block is provided with a first welding mold, and a first groove for placing a sealing strip is opened in the first welding mold. The first The groove runs through the first welding mold in the horizontal direction; the first pressing device for pressing the first angle adjusting block is arranged behind the first angle adjusting block, and the first pressing device includes a first pressing cylinder and a first pressing device. A pressing block, the first pressing block is fixed on the first pressing cylinder through a first pressing and fixing block; a first cylinder for driving the first fixing block is provided on the side of the first angle adjusting block.

The right welding mold assembly includes a second fixed block fixed on the backing plate, and the second fixed block can be adjusted for horizontal and vertical displacement on the backing plate; the second fixed block is provided with The second angle adjustment block, the second angle adjustment block can perform horizontal displacement and angle adjustment on the second fixed block, the second angle adjustment block is provided with a second welding mold, and the second welding mold is used for internal opening In the second groove for placing the sealing strip, the second groove runs through the second welding mold in the horizontal direction; behind the second angle adjustment block, there is a second pressing device for pressing the second angle adjustment block. The second compression device includes a second compression cylinder and a second compression block, and the second compression block is fixed on the second compression cylinder through a second compression fixing block; the side of the second angle adjustment block is provided There is a second cylinder for driving the second fixed block.

The heating plate device includes a third cylinder and a connecting rod, one end of the connecting rod is hinged on the third cylinder through a joint, a heating plate is provided at the other end, and a fixing block is arranged in the middle of the connecting rod, The fixing block is hinged on the third cylinder, the direction of the heating plate is towards the front of the frame, a pit is formed at the bottom of the heating plate, and the heating plate device also includes a base, and the base is located on The first angle adjustment block and the second angle adjustment block are fixed on the frame, and when the heating plate swings down, the base can be embedded in the pit at the bottom of the heating plate.

After adopting the above structure, compared with the prior art, a sealing strip welding machine of the present utility model realizes the semi-automatic welding processing technology of the sealing strip, and places the ends of the two sealing strips on the first welding mold and the second welding mold respectively. In the second welding mold, when the heating plate between the first welding mold and the second welding mold swings down to the frame and embedded in the base, one end of the first welding mold and the second welding mold are respectively close to the two sides of the heating plate, At this time, the end face of the sealing strip that is close to the heating plate is heated and melted, the heating plate leaves, the first welding mold and the second welding mold move towards each other, and the two end surfaces are bonded together. At this time, the melting ends of the two sealing strips overlap closely to complete the welding , due to the limiting effect of the base, the heating plate will not be offset, so that the heating end surface of the sealing strip will not be heated unevenly or excessively melted, and different angles can be welded by adjusting the first angle adjustment block and the second angle adjustment block sealing strip. In summary, it has the advantages of high production efficiency, simple structure, convenient operation and adjustable welding angle.

As a further optimization, the first welding mold and the second welding mold are respectively provided with a first upper cover plate and a second upper cover plate which can be opened and closed. The upper cover plate tightly presses the sealing strip, so that the sealing strip is not easily deformed during the welding process.

For further optimization, a plurality of adjusting screws are respectively provided on the first angle adjusting block and the second angle adjusting block. The adjusting screw can adjust the tightness of the first welding mold and the second welding mold on the first angle adjusting block and the second angle adjusting block respectively, so as to prevent the first welding mold and the second welding mold from moving when the first fixing block and the second fixing block move The displacement of the mold changes, which causes the angle misalignment of the sealing strip.

Description of drawings

Fig. 1 is a structural front view of a sealing strip welding machine of the present invention.

Fig. 2 is a top view of the structure of the left and right mold welding mold components of the utility model except the first and second pressing devices.

Fig. 3 is a schematic diagram of the structure of the heating plate device of the present invention.

Among them, 1. Rack, 2. Left welding mold assembly, 3. Right welding mold assembly, 4. Backing plate, 5. Heating plate device, 6. First fixing block, 7. First angle adjustment block, 8. Second A welding mold, 9, the first groove, 10, the first pressing device, 11, the first pressing cylinder, 12, the first pressing block, 13, the first pressing and fixing block, 14, the first air cylinder, 15 , the second fixed block, 16, the second angle adjustment block, 17, the second welding mold, 18, the second groove, 19, the second pressing device, 20, the second pressing cylinder, 21, the second pressing block , 22, the second compression fixed block, 23, the second cylinder, 24, the third cylinder, 25, the connecting rod, 26, the connector, 27, the heating plate, 28, the fixed block, 29, the pit, 30, the base , 31, the first upper cover plate, 32, the second upper cover plate, 33, the adjusting screw, 34, the first chute, 35, the second chute, 36, arc-shaped long waist hole.

Detailed ways

Below in conjunction with accompanying drawing and specific embodiment, the utility model is further described.

As shown in FIG. 2 , the first angle adjusting block 7 and the second angle adjusting block 16 are respectively provided with a first sliding slot 34 and a second sliding slot 35 . The first welding mold 8 and the second welding mold 17 move in the first chute 34 and the second chute 35 respectively, and can be fixed on the first angle adjustment block 7 and the second angle adjustment block 16 by adjusting screws 33 . Two arc-shaped long waist holes 36 are opened on the first angle adjusting block 7, and the two arc-shaped long waist holes 36 are distributed in a circular array along the edge of the first angle adjusting block 7, and pass through the arc-shaped long waist holes. Screws in 36, the first angle adjustment block 7 can carry out angle rotation adjustment on the horizontal plane on the first fixed block 6, and the second angle adjustment block 16 is also like this, promptly realizes by the screw in the arc-shaped long waist hole 35 on the first fixed block 6 Angle rotation adjustment on the horizontal plane is carried out on the second fixed block 15 . The first fixed block 6 and the second fixed block 15 are respectively driven by the first air cylinder 14 and the second air cylinder 23 to move synchronously back and forth linearly along the backing plate 4 .

As shown in Figure 1, open the first upper cover plate 31 and the second upper cover plate 32, put the ends of the two sealing strips to be welded into the first groove 9 in the first welding mold 8 and the second welding mold 17 respectively In the second inner groove 18, because the first groove 9 and the second groove 18 run through the first welding mold 8 and the second welding mold 17 horizontally respectively, the end face of the sealing strip to be welded is flush with the end surface of the welding mold. After the sealing strip is installed, Close the first upper cover 31 and the second upper cover 32, the first pressing device 10 is pushed to the first upper cover 31 by the first pressing cylinder 11 and press the first upper cover 31, the second pressing The tightening device 19 is pushed to the second upper cover plate 32 by the second pressing cylinder 20 and compresses the second upper cover plate 32, and the third cylinder 24 pushes the connecting head 26 to move upward, driving the connecting rod 25 and the heating on the connecting rod 25. Plate 27 moves up, and the fixed block 28 that is positioned at connecting rod 25 intermediate positions, one end is hinged on the 3rd cylinder 24, and fixed block 28 pulls connecting rod 25, causes connecting rod 25 to be provided with the hem of one end of heating plate 27, and heating plate 27 swings down to a base 30 which fits into a recess 29 at the bottom of the heating plate 27 .

The first cylinder 14 and the second cylinder 23 respectively drive the first fixed block 6 and the second fixed block 15 to move synchronously along the backing plate 4, driving the first welding mold 8 on the first angle adjustment block 7 and the second one on the second The second welding mold 17 on the angle adjustment block 16 moves toward each other, and the opposite end surfaces of the first welding mold 8 and the second welding mold 17 are attached to both sides of the heating plate 27 respectively, so that the end surface of the sealing strip is heated and melted, and the end surface of the sealing strip is heated After melting, as shown in Figure 3, the third cylinder 24 pushes the connecting head 26 to move downward, and drives the heating plate 27 on the connecting rod 25 and the connecting rod 25 to move downward, and the fixed block 28 positioned at the middle position of the connecting rod 25, due to One end is hinged on the third cylinder 24, and the fixed block 28 withstands the connecting rod 25, so that the end of the connecting rod 25 provided with the heating plate 27 swings up, and the heating plate 27 leaves the base, and the first cylinder 14 and the second cylinder 23 respectively drive again The first fixed block 6 and the second fixed block 15 move toward each other, driving the first welding mold 8 on the first angle adjustment block 7 and the second welding mold 17 on the second angle adjustment block 16 to move toward each other, the first welding The heated end surfaces of the mold 8 and the second welding mold 17 have moved toward each other until they come into contact, so that the melting end surfaces of the two sealing strips are completely overlapped. The pressing device 19 restricts the positioning of the first upper cover plate 31 and the second upper cover plate 32, and taking out the finished product promptly completes the sealing strip welding work.

Preferred embodiments of the utility model have been described, but should not be construed as limiting the claims. The utility model is not limited to the above embodiments, and its specific structure is allowed to change, and all the various changes made within the protection scope of the independent requirements of the utility model are all within the protection scope of the utility model.

Claims (3)

1. A sealing strip welding machine, comprising a frame (1), a left welding mold assembly (2) and a right welding mold assembly (3) positioned at the front of the frame (1) for fixing the sealing strip, located at The middle of the frame (1) is used to fix the backing plate (4) of the left welding mold assembly (2) and the right welding mold assembly (3), and the back part of the frame (1) is used to heat the sealing strip Plate device (5), characterized in that: the left welding mold assembly (2) includes a first fixing block (6) fixed on the backing plate (4), and the first fixing block (6) can be The horizontal and vertical displacement adjustments are carried out on the backing plate (4); the first fixed block (6) is provided with a first angle adjustment block (7), and the first angle adjustment block (7) can be adjusted at the second A fixed block (6) is used to adjust the angle of the horizontal plane, and the first angle adjustment block (7) is provided with a first welding mold (8), and the first welding mold (8) is provided with a first hole for placing the sealing strip. slot (9), the first slot (9) runs through the first welding mold (8) in the horizontal direction; the frame (1) behind the first angle adjustment block (7) is provided with a The first compression device (10) of the first angle adjustment block (7), the first compression device (10) includes a first compression cylinder (11) and a first compression block (12), and the first compression device (10) includes a first compression cylinder (11) and a first compression block (12), the first compression device (10) A pressing block (12) is fixed on the first pressing cylinder (11) through the first pressing and fixing block (13); the frame (1) on the side of the first angle adjusting block (7) A first air cylinder (14) for driving the first fixed block (6) is arranged on it; The right welding mold assembly (3) includes a second fixing block (15) fixed on the backing plate (4), and the second fixing block (15) can be horizontally mounted on the backing plate (4). and vertical displacement adjustment; the second fixed block (15) is provided with a second angle adjustment block (16), and the second angle adjustment block (16) can carry out a horizontal plane angle on the second fixed block (15). Adjustment, the second angle adjustment block (16) is provided with a second welding mold (17), and a second groove (18) for placing a sealing strip is opened in the second welding mold (17), and the second groove (18) run through the second welding mold (17) in the horizontal direction; the frame (1) positioned at the rear of the second angle adjustment block (16) is provided with a second angle adjustment block (16) for pressing Two compression devices (19), the second compression device (19) includes a second compression cylinder (20) and a second compression block (21), and the second compression block (21) passes through the second Compression fixed block (22) is fixed on the described second compression cylinder (20); The described frame (1) that is positioned at the second angle adjustment block (16) side is provided with and is used for driving the second fixed block (15) of the second cylinder (23); The heating plate device (5) includes a third cylinder (24) and a connecting rod (25), one end of the connecting rod (25) is hinged on the third cylinder (24) through a joint (26), and the other One end is provided with a heating plate (27), and the middle position of the connecting rod (25) is provided with a fixed block (28), and the fixed block (28) is hinged on the third cylinder (24), and the heating plate (27) direction is towards the front of the frame (1), the bottom of the heating plate (27) has a pit (29), and the heating plate device (5) also includes a base (30), the base (30) is located between the first angle adjustment block (7) and the second angle adjustment block (16) and is fixed on the frame (1), when the heating plate (27) swings down, the base ( 30) Can be embedded in a recess (29) at the bottom of said heating plate (27). 2. A sealing strip welding machine according to claim 1, characterized in that: the first welding mold (8) and the second welding mold (17) are respectively provided with a first upper cover plate ( 31) and the second upper cover plate (32). 3. A sealing strip welding machine according to claim 1, characterized in that: each of the first angle adjusting block (7) and the second angle adjusting block (16) is provided with a plurality of adjusting screws (33) .