Sealing strip bonding device with heating structure

Abstract

The utility model relates to the technical field of sealing strip bonding, and discloses a sealing strip bonding device with a heating structure, which comprises a loading box, two groups of symmetrically arranged support plates are fixedly connected in the loading box, and an electric heating sheet is fixedly connected between the two groups of support plates. Two symmetrically arranged rotating assemblies are arranged on the side wall of the loading box, each rotating assembly comprises a rotating cylinder, the rotating cylinders penetrate through and are rotationally connected to the loading box, the side walls of the rotating cylinders are fixedly connected with rotating discs through telescopic rods, inserting holes are formed in the side walls of the rotating cylinders and the side walls of the rotating discs, and gear rings are fixedly connected to the outer walls of the rotating cylinders. According to the sealing strip bonding device with the heating structure, the motor drives the rotating drum to rotate through the gear and the gear ring, the telescopic rod is in linkage with the rotating disc to enable the sealing strip to rotate synchronously, air heated by the electric heating piece forms circulating hot air in cooperation with the fan, the problem of local over-melting or non-melting caused by heating is avoided, and the hot melting efficiency and bonding reliability are improved.

Description

Technical Field

[0001] This utility model relates to the field of sealing strip bonding technology, specifically a sealing strip bonding device with a heating structure. Background Technology

[0002] In underground tunnel excavation environments, due to the harsh working conditions and high equipment wear rate, the main drive seal of the tunneling machine often wears or breaks, causing grease leakage. Timely and regular replacement is necessary to avoid affecting the normal construction progress of the tunneling machine.

[0003] According to the publicly disclosed sealing strip bonding device (Announcement No.: CN220808555U), the above application can monitor the temperature change of the hot melt bonding area and adjust the heating efficiency and the start and stop of the heating mechanism at any time according to the monitored temperature, so as to achieve precise temperature control, reduce the uncertainty of production quality caused by human intervention, and improve the bonding and repair quality of the seal.

[0004] During use, the heating element is fixed directly below the heat-melting zone, and the fan is located below the heating element, introducing air for heating through the vent. However, when the airflow flows from bottom to top, the temperature at the top of the heat-melting zone is lower than that at the bottom, creating a temperature gradient. This results in uneven heating at both ends of the sealing strip during heat melting, leading to localized over-melting or incomplete melting at the bonding joint, thus reducing the bonding strength. Utility Model Content

[0005] The purpose of this invention is to provide a sealing strip bonding device with a heating structure to solve the problems mentioned in the background art.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a sealing strip bonding device with a heating structure, comprising a loading box, wherein two sets of symmetrically arranged support plates are fixedly connected inside the loading box, and an electric heating element is fixedly connected between the two sets of support plates; two sets of symmetrically arranged rotating components are arranged on the side wall of the loading box, each rotating component including a rotating cylinder, which is rotatably connected to the loading box; a turntable is fixedly connected to the side wall of the rotating cylinder via a telescopic rod; insertion holes are provided on the side walls of both the rotating cylinder and the turntable; a gear ring is fixedly connected to the outer wall of the rotating cylinder; a motor is fixedly connected to the side wall of the loading box; a gear is fixedly connected to the output end of the motor, and the gear meshes with the side wall of the gear ring; a vertical plate is rotatably connected to the outer wall of the turntable, and the vertical plate is in contact with the surface of the support plate.

[0007] The turntable has two sets of symmetrically arranged clamping assemblies fixedly connected to its side wall. Each clamping assembly includes a protrusion, a lead screw, a rotating wheel, and a clamping plate. The protrusion is fixedly connected to the side wall of the turntable, the lead screw passes through and is threadedly connected to the side wall of the protrusion, the rotating wheel is fixedly connected to one end of the lead screw, and the clamping plate is rotatably connected to the other end of the lead screw.

[0008] A clamping assembly is provided on the surface of the support plate. The clamping assembly includes a groove, which is formed on the surface of the support plate. A movable seat is slidably connected inside the groove. The movable seat is fixedly connected to the bottom surface of the vertical plate. The movable seat and the inside of the groove are elastically connected by a spring.

[0009] The bottom surface of the loading box has multiple sets of arrayed ventilation holes, and a fan is installed on the inner wall of the loading box above the ventilation holes.

[0010] The side wall of the movable seat has a through hole, and a guide rod is slidably connected in the through hole. The end of the guide rod is fixedly connected to the inner wall of the groove.

[0011] The side wall of the loading box is hinged with a cover plate.

[0012] The bottom surface of the loading box is fixedly connected to four sets of support legs.

[0013] Compared with the prior art, the present invention provides a sealing strip bonding device with a heating structure, which has the following advantages:

[0014] 1. This sealing strip bonding device with a heating structure uses a motor to drive a rotating drum through gears and a gear ring. The telescopic rod links the turntable to make the sealing strip rotate synchronously. The fan, together with the heating element, forms a circulating hot air to avoid local over-melting or under-melting problems caused by heating, thereby improving the heat melting efficiency and bonding reliability.

[0015] 2. The sealing strip bonding device with heating structure uses a spring to apply elastic pressure to the vertical plate through a movable seat. When the sealing strip melts, the material softens and undergoes slight deformation. The spring automatically compensates for the pressure and maintains the clamping force to ensure that the molecules at both ends diffuse fully during the melting process, thereby improving the bonding strength. Attached Figure Description

[0016] Figure 1 This is a schematic diagram of the overall structure of this utility model;

[0017] Figure 2 This is a schematic diagram of the cover plate opening structure of this utility model;

[0018] Figure 3 This is a schematic diagram of the rotating component and support plate structure of this utility model;

[0019] Figure 4 This is a schematic diagram of the fan and vent structure of this utility model;

[0020] Figure 5 This is a schematic diagram of the clamping component structure of this utility model;

[0021] Figure 6This is an enlarged structural diagram of point A in this utility model.

[0022] In the diagram: 1. Loading box; 11. Cover plate; 12. Support leg; 2. Support plate; 21. Heating element; 22. Vent hole; 23. Fan; 3. Rotating assembly; 31. Rotary drum; 32. Telescopic rod; 33. Turntable; 34. Insertion hole; 35. Gear ring; 36. Motor; 37. Gear; 38. Vertical plate; 4. Clamping assembly; 41. Protrusion; 42. Lead screw; 43. Rotary wheel; 44. Clamping plate; 5. Pressing assembly; 51. Groove; 52. Moving seat; 53. Guide rod; 54. Spring. Detailed Implementation

[0023] like Figures 1-4 As shown, this utility model provides a technical solution: a sealing strip bonding device with a heating structure, including a loading box 1, a cover plate 11 hinged to the side wall of the loading box 1, four sets of supporting legs 12 fixedly connected to the bottom surface of the loading box 1, two sets of symmetrically arranged support plates 2 fixedly connected inside the loading box 1, an electric heating element 21 fixedly connected between the two sets of support plates 2, multiple sets of arrayed vent holes 22 opened on the bottom surface of the loading box 1, a fan 23 is provided on the inner wall of the loading box 1 above the vent holes 22, air is introduced through the vent holes 22 on the bottom surface of the loading box 1, and the fan 23 blows the introduced air toward the electric heating element 21 for heating, thereby heating the heat-melting zone of the sealing strip.

[0024] like Figures 1-5 As shown, two sets of symmetrically arranged rotating components 3 are provided on the side wall of the loading box 1. The rotating component 3 includes a rotating cylinder 31, which is rotatably connected to the loading box 1. A turntable 33 is fixedly connected to the side wall of the rotating cylinder 31 through a telescopic rod 32. Insertion holes 34 are provided on the side walls of both the rotating cylinder 31 and the turntable 33. A gear ring 35 is fixedly connected to the outer wall of the rotating cylinder 31. A motor 36 is fixedly connected to the side wall of the loading box 1. A gear 37 is fixedly connected to the output end of the motor 36. The gear 37 meshes with the side wall of the gear ring 35. The insertion hole 34 is used for the sealing strip to be inserted into the interior of the loading box 1. The output shaft of the motor 36 drives the gear 37 and the gear ring 35 to rotate, causing the rotating cylinder 31 to rotate. In turn, the telescopic rod 32 drives the turntable 33 to rotate, causing the sealing strip to rotate, so that the end of the sealing strip is heated evenly when it is heat-melted. A vertical plate 38 is rotatably connected to the outer wall of the turntable 33. The vertical plate 38 is in contact with the surface of the support plate 2. The support plate 2 and the vertical plate 38 are used to support the turntable 33. The turntable 33 is moved laterally by the extension and retraction of the telescopic rod 32.

[0025] like Figures 2-5As shown, two sets of symmetrically arranged clamping assemblies 4 are fixedly connected to the side wall of the turntable 33. The clamping assembly 4 includes a protrusion 41, a lead screw 42, a rotating wheel 43, and a clamping plate 44. The protrusion 41 is fixedly connected to the side wall of the turntable 33, the lead screw 42 passes through and is threadedly connected to the side wall of the protrusion 41, the rotating wheel 43 is fixedly connected to one end of the lead screw 42, and the clamping plate 44 is rotatably connected to the other end of the lead screw 42. Rotating the rotating wheel 43 drives the lead screw 42 to rotate, so that the clamping plate 44 clamps and fixes the sealing strip, ensuring the stability of the sealing strip. At the same time, the movement of the vertical plate 38 can drive the sealing strip to move laterally synchronously.

[0026] like Figure 3 , Figure 6 As shown, a pressing assembly 5 is provided on the surface of the support plate 2. The pressing assembly 5 includes a groove 51, which is formed on the surface of the support plate 2. A movable seat 52 is slidably connected inside the groove 51. The movable seat 52 is fixedly connected to the bottom surface of the vertical plate 38. A through hole is formed on the side wall of the movable seat 52, and a guide rod 53 is slidably connected in the through hole. The end of the guide rod 53 is fixedly connected to the inner wall of the groove 51. The movable seat 52 and the inside of the groove 51 are elastically connected by a spring 54. The guide rod 53 guides the movable seat 52, allowing the movable seat 52 to slide stably in the groove 51. The spring 54 provides elastic pressure to the movable seat 52, causing the vertical plate 38 to move the sealing strip synchronously, so that the ends of the two sets of sealing strips remain in close contact during heat fusion.

[0027] In this utility model, when in use, the loading box 1 is placed stably on a horizontal ground by the support legs 12, the cover plate 11 is opened to expose the internal structure of the loading box 1, and the oil, dust and other impurities at both ends of the broken sealing strip are cleaned to ensure that the bonding surface is clean; if the end of the sealing strip is irregular, it can be trimmed into a flat section with a knife to facilitate precise docking.

[0028] The broken ends of the sealing strip are inserted into the insertion holes 34 on the side wall of the loading box 1, with the two ends aligned with the heat fusion zone between the two sets of support plates 2. By moving the vertical plate 38 laterally, the moving seat 52 compresses the spring 54, rotating the wheel 43 on the side wall of the turntable 33, which in turn rotates the lead screw 42, causing the clamping plate 44 to move towards the protrusion 41, clamping the two ends of the sealing strip. After releasing the vertical plate 38, the spring 54 causes the vertical plate 38 to return to its original position, so that the two ends of the sealing strip are tightly fitted together.

[0029] Turn on the heating element 21 and the fan 23. The fan 23 draws in air from the vent 22 on the bottom of the loading box 1. After being heated by the heating element 21, the air is blown upward to form a circulating hot air in the hot melting zone. Start the motor 36. Its output shaft drives the gear ring 35 to rotate through the gear 37, causing the rotating drum 31 to rotate. Through the telescopic rod 32, the rotating disk 33 and the sealing strip rotate synchronously, thereby improving the uniformity of heating at the end of the sealing strip.

[0030] The present invention has been described in detail above. However, modifications or improvements can be made to it, which will be obvious to those skilled in the art. Therefore, any modifications or improvements that do not depart from the spirit of the present invention are within the protection scope of the present invention.

Claims

1. A sealing strip bonding device with a heating structure, comprising a loading box (1), characterized in that: The loading box (1) is internally fixedly connected to two sets of symmetrically arranged support plates (2), and an electric heating element (21) is fixedly connected between the two sets of support plates (2). The side wall of the loading box (1) is provided with two sets of symmetrically arranged rotating components (3). The rotating components (3) include a rotating cylinder (31), which is rotatably connected to the loading box (1). The side wall of the rotating cylinder (31) is fixedly connected to a turntable (33) via a telescopic rod (32). Insertion holes (34) are provided on the side walls of the rotary drum (31) and the turntable (33). A gear ring (35) is fixedly connected to the outer wall of the rotary drum (31). A motor (36) is fixedly connected to the side wall of the loading box (1). A gear (37) is fixedly connected to the output end of the motor (36). The gear (37) meshes with the side wall of the gear ring (35). A vertical plate (38) is rotatably connected to the outer wall of the turntable (33). The vertical plate (38) is in contact with the surface of the support plate (2).

2. The sealing strip bonding device with a heating structure according to claim 1, characterized in that: The turntable (33) has two sets of symmetrically arranged clamping assemblies (4) fixedly connected to its side wall. The clamping assembly (4) includes a protrusion (41), a lead screw (42), a rotating wheel (43), and a clamping plate (44). The protrusion (41) is fixedly connected to the side wall of the turntable (33). The lead screw (42) passes through and is threadedly connected to the side wall of the protrusion (41). The rotating wheel (43) is fixedly connected to one end of the lead screw (42). The clamping plate (44) is rotatably connected to the other end of the lead screw (42).

3. The sealing strip bonding device with a heating structure according to claim 1, characterized in that: A pressing component (5) is provided on the surface of the support plate (2). The pressing component (5) includes a groove (51). The groove (51) is opened on the surface of the support plate (2). A movable seat (52) is slidably connected inside the groove (51). The movable seat (52) is fixedly connected to the bottom surface of the vertical plate (38). The movable seat (52) and the inside of the groove (51) are elastically connected by a spring (54).

4. The sealing strip bonding device with a heating structure according to claim 1, characterized in that: The bottom surface of the loading box (1) has multiple arrayed ventilation holes (22), and a fan (23) is provided on the inner wall of the loading box (1) above the ventilation holes (22).

5. A sealing strip bonding device with a heating structure according to claim 3, characterized in that: The side wall of the movable seat (52) has a through hole, and a guide rod (53) is slidably connected in the through hole. The end of the guide rod (53) is fixedly connected to the inner wall of the groove (51).

6. The sealing strip bonding device with a heating structure according to claim 1, characterized in that: The side wall of the loading box (1) is hinged with a cover plate (11).

7. A sealing strip bonding device with a heating structure according to claim 1, characterized in that: The bottom surface of the loading box (1) is fixedly connected with four sets of support legs (12).

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