Moving mechanism for die holder of hot welding machine

Abstract

The utility model discloses a hot welding machine die holder moving mechanism which comprises a bottom ring, an upper ring, a die holder body and a welding piece, a plurality of fixing rods are fixedly arranged between the bottom ring and the upper ring, two adjusting screw rods are rotationally arranged between the bottom ring and the upper ring, a containing groove is formed in the upper end face of the die holder body, and the welding piece is arranged in the containing groove. A fixing mechanism used for fixing a welding piece is arranged in the containing groove, connecting blocks are arranged on the outer walls of the two sides of the die holder body, and movable grooves are formed in the connecting blocks. By arranging the adjusting screw rod, the nut, the die holder body, the connecting block, the connecting rod and the connecting groove, the die holder can be conveniently disassembled and assembled relative to the adjusting screw rod, and convenience is provided for overhaul, maintenance, cleaning and the like of the die holder; by arranging the two adjusting screw rods, the rotating ring, the driving gear, the transmission gear and the like, the two adjusting screw rods ensure the stability of the lifting and moving process of the die holder body, and meanwhile, the two adjusting screw rods run by virtue of the same power device, so that the linkage of the device is ensured.

Description

Technical Field

[0001] The utility model relates to the technical field of heat welding machines, in particular to a heat welding machine die base moving mechanism. Background Art

[0002] The die base moving mechanism of the hot welding machine is an important part of the hot welding machine. Its main function is to realize the precise movement of the die base to ensure that the welding parts can be accurately positioned to the required position during the welding process. The mechanism is usually composed of a driving device (such as a motor, a lead screw, etc.), a guide device (such as a guide rail, etc.) and a component connected to the die base. The driving device provides power to enable the die base to move smoothly along the guide device according to the set trajectory and speed.

[0003] In the prior art, the connection between the die base and the components in the above-mentioned moving mechanism is basically a welding connection or a bolt connection. The welding connection has the following disadvantages: once the welding is completed, it will be very difficult to replace the die base or to repair and adjust it later. The welding process may cause thermal deformation of the components, affecting the overall accuracy and assembly. Stress concentration may occur at the welding point, and long-term use may cause fatigue damage. The bolt connection has the following disadvantages: in long-term operation and vibration environment, the bolts may become loose, affecting the stability of the connection. In order to improve it, a hot welding machine die base moving mechanism is proposed. Utility Model Content

[0004] The utility model aims to solve the shortcomings in the prior art and proposes a heat welding machine die base moving mechanism.

[0005] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0006] A hot welding machine die base moving mechanism comprises a bottom ring, an upper ring, a die base body and a welding piece, a plurality of fixing rods are fixedly arranged between the bottom ring and the upper ring, two adjusting screws are rotatably arranged between the bottom ring and the upper ring, the upper end surface of the die base body is provided with a placement groove, and a fixing mechanism for fixing the welding piece is arranged in the placement groove, connecting blocks are arranged on the outer walls of both sides of the die base body, the connecting blocks are provided with a movable groove, a sliding rod is arranged in the movable groove, a connecting rod is arranged on the sliding rod through an extrusion mechanism, a nut is threadedly sleeved on the adjusting screw, and a connecting groove corresponding to the connecting rod is arranged on the nut, a transmission cavity is arranged in the upper ring, a rotating ring is arranged in the transmission cavity, a rotating motor is arranged on the bottom wall of the transmission cavity, the rotating motor is connected to the rotating ring through a rotating mechanism, and the ends of the two adjusting screws extend into the transmission cavity and are connected to the rotating ring through the transmission mechanism.

[0007] Preferably, the fixing mechanism comprises two clamping plates arranged in the placement groove, and a hydraulic cylinder connected to the clamping plates is provided on the inner wall of the placement groove.

[0008] Preferably, the extrusion mechanism comprises a spring sleeved on the outside of the sliding rod, and two ends of the spring are respectively connected to the outer wall of the connecting rod and the inner wall of the movable groove.

[0009] Preferably, the rotating mechanism comprises a driving gear connected to the output shaft of the rotating motor, and a gear ring meshing with the driving gear is provided on the arc-shaped inner wall of the rotating ring.

[0010] Preferably, the transmission mechanism comprises a transmission gear connected to the end of the adjusting screw, and the transmission gear is meshed with a gear ring.

[0011] Preferably, a protective pad is provided on the surface of the clamping plate in contact with the welding piece, and the protective pad is made of rubber.

[0012] Beneficial effects of the utility model:

[0013] 1. By setting the adjusting screw, nut, die base body, connecting block, connecting rod and connecting groove, the die base can be conveniently disassembled and assembled relative to the adjusting screw, which provides convenience for its inspection, maintenance and cleaning.

[0014] 2. By setting two adjusting screws, a rotating ring, a driving gear and a transmission gear, etc., the two adjusting screws ensure the stability of the lifting and moving process of the mold base body. At the same time, the two adjusting screws rely on the same power device to operate, ensuring the linkage of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a structural schematic diagram of a heat welding machine die base moving mechanism proposed by the utility model;

[0016] Figure 2 for Figure 1 A schematic diagram of the structure at A;

[0017] Figure 3 It is a schematic diagram of the structure of the adjusting screw and rotating ring and other components;

[0018] Figure 4 It is a schematic diagram of the structure of the sliding rod, spring and connecting rod.

[0019] In the figure: 1 bottom ring, 2 upper ring, 3 fixing rod, 4 adjusting screw, 5 nut, 6 mold base body, 7 placement groove, 8 welding part, 9 clamping plate, 10 hydraulic cylinder, 11 connecting block, 12 connecting rod, 13 rotating ring, 14 rotating motor, 15 driving gear, 16 transmission gear, 17 sliding rod, 18 spring, 19 gear ring. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0021] Reference Figure 1-4 A hot welding machine die base moving mechanism includes a bottom ring 1, an upper ring 2, a die base body 6 and a welding piece 8. A plurality of fixing rods 3 are fixed between the bottom ring 1 and the upper ring 2. There are two fixing rods 3, and the whole has a large space for taking and placing the welding piece 8 on the die base body 6.

[0022] Two adjusting screws 4 are rotatably provided between the bottom ring 1 and the upper ring 2, a placement groove 7 is provided on the upper end surface of the die base body 6, a fixing mechanism for fixing the welding part 8 is provided in the placement groove 7, connecting blocks 11 are provided on the outer walls of both sides of the die base body 6, a movable groove is provided on the connecting block 11, a slide rod 17 is provided in the movable groove, a connecting rod 12 is provided on the slide rod 17 through an extrusion mechanism, a nut 5 is threadedly sleeved on the adjusting screw 4, and a connecting groove corresponding to the connecting rod 12 is provided on the nut 5, a transmission cavity is provided in the transmission cavity, a rotating ring 13 is provided in the transmission cavity, a rotating motor 14 is provided on the bottom wall of the transmission cavity, the rotating motor 14 is connected to the rotating ring 13 through a rotating mechanism, and the ends of the two adjusting screws 4 extend into the transmission cavity and are connected to the rotating ring 13 through a transmission mechanism.

[0023] The fixing mechanism includes two clamping plates 9 arranged in the placement groove 7. A hydraulic cylinder 10 connected to the clamping plates 9 is provided on the inner wall of the placement groove 7. A protective pad is provided on the surface of the clamping plates 9 that contacts the weldment 8. The protective pad is made of rubber. The surface of the clamping plates 9 that contacts the weldment 8 is provided with a protective pad made of rubber, which can avoid damage to the outer wall of the weldment 8 during the positioning and clamping process.

[0024] The extrusion mechanism includes a spring 18 sleeved on the outside of the sliding rod 17, and the two ends of the spring 18 are respectively connected to the outer wall of the connecting rod 12 and the inner wall of the movable groove. The spring 18 realizes the extrusion operation of the connecting rod 12, and can squeeze it into the connecting groove on the outer wall of the nut 5, thereby realizing a flexible connection between the connecting block 11 and the nut 5.

[0025] The rotating mechanism includes a driving gear 15 connected to the output shaft of the rotating motor 14. A gear ring 19 meshing with the driving gear 15 is provided on the arc-shaped inner wall of the rotating ring 13. The teeth of the gear ring 19 are arranged on its arc-shaped inner wall. The thickness of the rotating ring 13 is the same as the thickness of the transmission cavity, so the rotating ring 13 will not move up and down in the transmission cavity. The outer diameter of the rotating ring 13 is the same as the inner diameter of the transmission cavity, so the rotating ring 13 will not move around in the transmission cavity and will be restricted.

[0026] The transmission mechanism includes a transmission gear 16 connected to the end of the adjusting screw 4 , and the transmission gear 16 is meshed with a gear ring 19 .

[0027] When the utility model is used, the device is placed on the ground with the help of the bottom ring 1, the welding piece 8 is placed in the placement groove 7 on the upper end surface of the die base body 6, and the two clamping plates 9 are driven to approach with the help of the hydraulic cylinder 10 to achieve the clamping and fixing operation of the welding piece 8. The rotating motor 14 in the transmission cavity is started to drive the driving gear 15 to rotate, and the driving gear 15 can drive the rotating ring 13 to rotate with the help of the gear ring 19. The rotating ring 13 can drive the adjusting screw 4 to rotate with the help of the transmission gear 16. When the adjusting screw 4 rotates, the nut 5 on its outer wall cooperates with the connecting block 11 to drive the die base body 6 to move up and down.

[0028] Among them, moving the connecting rod 12 can make it slide on the sliding rod 17, so that it compresses the spring 18 and disengages from the connecting groove on the outer wall of the nut 5, thereby realizing convenient disassembly operation of components such as the mold base body 6 relative to components such as the adjusting screw 4, providing convenience for inspection, maintenance, cleaning or replacement.

[0029] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A heat welding machine die base moving mechanism, comprising a bottom ring (1), an upper ring (2), a die base body (6) and a welding piece (8), characterized in that: A plurality of fixing rods (3) are fixedly arranged between the bottom ring (1) and the upper ring (2); two adjusting screws (4) are rotatably arranged between the bottom ring (1) and the upper ring (2); a placement groove (7) is arranged on the upper end surface of the die base body (6); a fixing mechanism for fixing the welding piece (8) is arranged in the placement groove (7); connecting blocks (11) are arranged on the outer walls of both sides of the die base body (6); a movable groove is arranged on the connecting block (11); a slide bar (17) is arranged in the movable groove; and the slide bar (17) is arranged on the slide bar (17) by extrusion. The pressing mechanism is provided with a connecting rod (12), a nut (5) is threadedly sleeved on the adjusting screw (4), a connecting groove corresponding to the connecting rod (12) is provided on the nut (5), a transmission cavity is provided in the upper ring (2), a rotating ring (13) is provided in the transmission cavity, a rotating motor (14) is provided on the bottom wall of the transmission cavity, the rotating motor (14) is connected to the rotating ring (13) through the rotating mechanism, and the ends of the two adjusting screws (4) extend into the transmission cavity and are connected to the rotating ring (13) through the transmission mechanism.

2. A heat welding machine die base moving mechanism according to claim 1, characterized in that: The fixing mechanism comprises two clamping plates (9) arranged in the placement groove (7), and a hydraulic cylinder (10) connected to the clamping plates (9) is arranged on the inner wall of the placement groove (7).

3. A heat welding machine die base moving mechanism according to claim 2, characterized in that: The squeezing mechanism comprises a spring (18) sleeved on the outside of the sliding rod (17), and two ends of the spring (18) are respectively connected to the outer wall of the connecting rod (12) and the inner wall of the movable groove.

4. A heat welding machine die base moving mechanism according to claim 3, characterized in that: The rotating mechanism comprises a driving gear (15) connected to the output shaft of the rotating motor (14); a gear ring (19) meshing with the driving gear (15) is provided on the arc-shaped inner wall of the rotating ring (13).

5. A heat welding machine die base moving mechanism according to claim 4, characterized in that: The transmission mechanism comprises a transmission gear (16) connected to the end of the adjusting screw (4), and the transmission gear (16) is meshed with a gear ring (19).

6. A heat welding machine die base moving mechanism according to claim 5, characterized in that: A protective pad is provided on the surface of the clamping plate (9) that contacts the welding piece (8), and the protective pad is made of rubber.

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