U-shaped copper pipe bending device of condenser

Abstract

The U-shaped copper pipe bending device of the condenser comprises a supporting table, two parallel sliding grooves are formed in the positions, close to the two sides, of the top of the supporting table, a movable frame is slidably connected between the interiors of the two sliding grooves on the same side through sliding blocks, a groove is formed in the center of the bottom of the movable frame, and the sliding blocks are arranged in the groove. First adjusting screw rods are in threaded connection with the upper portions of the front portion and the rear portion of the moving frame in a penetrating mode, the tail ends of the two first adjusting screw rods are located in the groove and fixedly connected with limiting plates, fixing plates are fixedly installed on the upper portions of the two sides of the supporting table, and second adjusting screw rods are in threaded connection with the inner sides of the fixing plates in a penetrating mode; the tail end of the second adjusting screw rod is rotationally connected to the side wall of the moving frame, a supporting frame is installed on the upper portion of the middle of the supporting table, a first hydraulic cylinder is installed on the top of the supporting frame, and a driving shaft of the first hydraulic cylinder penetrates through the bottom of the supporting frame and is connected with a bending pressing wheel. The copper pipe bending device can adapt to bending operation of copper pipes of different specifications, and is convenient to use and high in adjustability.

Description

Technical Field

[0001] The utility model relates to the field of condenser processing, in particular to a U-shaped copper tube bending device for a condenser. Background Art

[0002] The U-shaped tube is one of the most critical components in the condenser. During the molding process, a bending device is required to be used for bending operations. The bending device can bend the copper tube into a U-shaped state, so that it is easy to be loaded into the condenser for use.

[0003] However, the existing U-shaped copper tube bending device lacks good limiting measures and has low adjustability when used. When used for copper tubes of different specifications, the stability of the copper tube during bending cannot be guaranteed, which will affect the bending forming rate. Utility Model Content

[0004] The purpose of the utility model is to provide a U-shaped copper tube bending device for a condenser. The utility model effectively solves the technical problems raised in the background technology.

[0005] The purpose of the utility model can be achieved through the following technical solutions:

[0006] A U-shaped copper tube bending device for a condenser comprises a support platform, wherein two parallel sliding grooves are provided on both sides of the top of the support platform, and a moving frame is slidably connected between the insides of the two sliding grooves on the same side through a sliding block, a groove is provided at the bottom center of the moving frame, and the opposite sides of the two grooves are arranged in an arc shape, and an adjusting screw rod 1 is threadedly connected through the front and rear parts of the moving frame, and the ends of the two adjusting screw rods 1 are located in the grooves and fixedly connected to a limiting plate, and fixed plates are fixedly installed on both sides of the support platform, and an adjusting screw rod 2 is threadedly connected through the inner side of the fixed plate, and the end of the adjusting screw rod 2 is rotatably connected to the side wall of the moving frame, a support frame is installed on the middle part of the support platform, and a hydraulic cylinder rod 1 is installed on the top of the support frame, and a driving shaft of the hydraulic cylinder rod 1 passes through the bottom of the support frame and is connected to a bending pressure wheel.

[0007] As a further solution of the utility model, a rotation groove is provided on the outer side wall of the movable frame, and the end of the second adjusting screw rod is rotatably connected in the rotation groove.

[0008] As a further solution of the utility model, a slot is provided at the bottom of the driving shaft of the hydraulic cylinder 1, a plug rod is inserted into the slot, and a fixing bolt is threadedly connected between the outer wall of the driving shaft of the hydraulic cylinder 1 and the outer wall of the plug rod.

[0009] As a further solution of the utility model, the insertion rod is arranged in an L shape, and the end of the transverse section of the insertion rod is fixedly connected to the outer wall of the bending pressure wheel.

[0010] As a further solution of the utility model, a hydraulic cylinder 2 is installed at the bottom center of the support platform, and a bearing tray is installed at the top end of the driving shaft of the hydraulic cylinder 2.

[0011] As a further solution of the utility model, the support tray is arranged in a circular shape, and the top surface of the support tray is flush with the top surface of the support platform.

[0012] Beneficial effects of the utility model:

[0013] The utility model provides a movable frame, and the two movable frames can be adjusted in horizontal position by rotating the second adjusting screw rod, so that copper tubes of different lengths can be received. At the same time, the position of the movable frame can be adjusted, so that the distance between the two movable frames can be adjusted, and then the distance between the two sides of the copper tube after being bent into a U shape can be controlled, which is convenient to use.

[0014] With the limit plate, for copper tubes of different specifications, the distance between the two limit plates in the same groove can be adjusted by rotating the adjusting screw to limit the copper tube, so as to avoid forward and backward movement during bending and improve the bending stability of the copper tube;

[0015] By setting up a support tray, when bending shorter copper tubes, the hydraulic cylinder 2 can be used to drive the support tray to rise in height, so as to support the bottom of the copper tube after it is bent, avoiding the bending transition caused by the height of the moving frame, and effectively ensuring the forming rate of the copper tube bending. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to facilitate understanding by those skilled in the art, the present invention is further described below in conjunction with the accompanying drawings.

[0017] Figure 1 It is a schematic diagram of the overall structure of the utility model.

[0018] Figure 2 This is a cross-sectional view of the connection between the hydraulic cylinder and the bending pressure wheel of the utility model.

[0019] Figure 3 It is the front view of the utility model.

[0020] In the figure: 1. Support platform; 2. Slide; 3. Moving frame; 4. Groove; 5. Adjusting screw 1; 6. Limiting plate; 7. Fixed plate; 8. Adjusting screw 2; 9. Support frame; 10. Hydraulic cylinder 1; 11. Bending pressure wheel; 12. Hydraulic cylinder 2; 13. Support tray; 14. Insert rod; 15. Fixing bolt. DETAILED DESCRIPTION

[0021] The technical solution of the utility model will be described clearly and completely in conjunction with the embodiments below. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0022] like Figure 1-3 As shown, a U-shaped copper tube bending device for a condenser comprises a support platform 1, two parallel slide grooves 2 are provided on both sides of the top of the support platform 1, and a moving frame 3 is slidably connected between the insides of the two slide grooves 2 on the same side through a slider, a groove 4 is provided at the bottom center of the moving frame 3, and the opposite sides of the two grooves 4 are arc-shaped, and adjusting screws 5 are threadedly connected through the front and rear parts of the moving frame 3, and the ends of the two adjusting screws 5 are located in the groove 4 and fixedly connected to the limiting plate 6, fixed plates 7 are fixedly installed on both sides of the support platform 1, and adjusting screws 8 are threadedly connected through the inner sides of the fixed plates 7, and the ends of the adjusting screws 8 are rotatably connected to the side walls of the moving frame 3, a support frame 9 is installed on the middle part of the support platform 1, and a hydraulic cylinder 10 is installed on the top of the support frame 9, and the driving shaft of the hydraulic cylinder 10 passes through the bottom of the support frame 9 and is connected to a bending pressure wheel 11.

[0023] The outer side wall of the moving frame 3 is provided with a rotation groove, and the end of the adjusting screw rod 8 is rotatably connected in the rotation groove.

[0024] The movable frame 3 can be pushed to move by rotating the adjusting screw rod 8, so that the distance between the two movable frames 3 can be adjusted, and then the copper pipes of different lengths can be adapted to be received.

[0025] A slot is provided at the bottom of the driving shaft of the hydraulic cylinder 10, into which a plug rod 14 is inserted, and a fixing bolt 15 is threadedly connected between the outer wall of the driving shaft of the hydraulic cylinder 10 and the outer wall of the plug rod 14.

[0026] The bending pressure wheel 11 can be easily disassembled and replaced by inserting the inserting rod 14 and fixing it with the fixing bolt 15 .

[0027] The insertion rod 14 is arranged in an L shape, and the end of the transverse section of the insertion rod 14 is fixedly connected to the outer wall of the bending pressure wheel 11 .

[0028] A hydraulic cylinder 2 12 is installed at the bottom center of the support platform 1 , and a bearing plate 13 is installed at the top end of the driving shaft of the hydraulic cylinder 2 12 .

[0029] The height of the receiving tray 13 can be raised, so that the bent copper pipe can be easily received.

[0030] The tray 13 is circular in shape, and the top surface of the tray 13 is flush with the top surface of the support platform 1 .

[0031] A U-shaped copper tube bending device for a condenser, when in use, the spacing between two movable frames 3 is adjusted according to the horizontal length of the copper tube, and the movable frame 3 is driven to slide in the slide groove 2 through the slider by rotating the adjusting screw rod 8, and the spacing between the two movable frames 3 is adjusted so that the two movable frames 3 can support the copper tube, and the two movable frames 3 limit the bending of the copper tube, and can control the spacing on both sides of the copper tube after it is bent into a U shape. After adjusting the spacing, the bending pressure wheel 11 is driven to press down by the hydraulic cylinder 10, so that the copper tube is pressed down from the middle position into a U shape, thereby obtaining a U-shaped copper tube.

[0032] For copper tubes of different specifications, the distance between the two limit plates 6 in the same groove 4 can be adjusted by rotating the adjusting screw 5 to limit the copper tube to avoid forward and backward movement during bending. The bending pressure wheel 11 is easy to disassemble and replace by connecting the insertion rod 14 to the driving shaft of the hydraulic cylinder 10 and then fixing it with the fixing bolt 15.

[0033] When bending a shorter copper tube, the hydraulic cylinder 12 can be used to drive the support tray 13 to rise, so as to support the bottom of the copper tube after bending, avoiding the bending transition caused by the height of the moving frame 3.

[0034] The preferred embodiments of the utility model disclosed above are only used to help explain the utility model. The preferred embodiments do not describe all the details in detail, nor do they limit the utility model to the specific implementation methods described. Obviously, many modifications and changes can be made according to the content of this specification. This specification selects and specifically describes these embodiments in order to better explain the principles and practical applications of the utility model, so that technicians in the relevant technical field can well understand and use the utility model. The utility model is limited only by the claims and their full scope and equivalents.

Claims

1. A U-shaped copper tube bending device for a condenser, comprising a support platform (1), characterized in that: The top of the support platform (1) is provided with two parallel sliding grooves (2) on both sides, and a moving frame (3) is slidably connected between the two sliding grooves (2) on the same side through a slider, a groove (4) is provided at the bottom center of the moving frame (3), and the opposite sides of the two grooves (4) are both arranged in an arc shape, and an adjusting screw rod (5) is threadedly connected to the front and rear parts of the moving frame (3), and the ends of the two adjusting screw rods (5) are both located in the groove (4) and fixedly connected to A limit plate (6) is fixedly installed on both sides of the support platform (1), and a fixing plate (7) is fixedly installed on the upper side. An adjusting screw rod (8) is threadedly connected to the inner side of the fixing plate (7), and the end of the adjusting screw rod (8) is rotatably connected to the side wall of the movable frame (3). A support frame (9) is installed on the upper middle part of the support platform (1), and a hydraulic cylinder (10) is installed on the top of the support frame (9). The driving shaft of the hydraulic cylinder (10) passes through the bottom of the support frame (9) and is connected to a bending pressure wheel (11).

2. The U-shaped copper tube bending device for a condenser according to claim 1, characterized in that: The outer side wall of the movable frame (3) is provided with a rotation groove, and the end of the second adjusting screw rod (8) is rotationally connected in the rotation groove.

3. The U-shaped copper tube bending device for a condenser according to claim 1, characterized in that: A slot is provided at the bottom of the driving shaft of the hydraulic cylinder (10), a plug rod (14) is inserted into the slot, and a fixing bolt (15) is threadedly connected between the outer wall of the driving shaft of the hydraulic cylinder (10) and the outer wall of the plug rod (14).

4. The U-shaped copper tube bending device for a condenser according to claim 3, characterized in that: The insertion rod (14) is arranged in an L shape, and the end of the transverse section of the insertion rod (14) is fixedly connected to the outer wall of the bending pressure wheel (11).

5. The U-shaped copper tube bending device for a condenser according to claim 1, characterized in that: A second hydraulic cylinder (12) is installed at the bottom center of the support platform (1), and a bearing plate (13) is installed at the top end of the driving shaft of the second hydraulic cylinder (12).

6. The U-shaped copper tube bending device for a condenser according to claim 5, characterized in that: The support tray (13) is arranged in a circular shape, and the top surface of the support tray (13) is flush with the top surface of the support platform (1).

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