Insertion pipe double-end automatic flaring device for refrigerator compressor pipe connection

By designing a refrigerator compressor pipe connection device with automatic clamping and flaring mechanism, the problem of low connection efficiency of refrigerator compressor pipes in the prior art is solved, and the automatic loading and flaring of the connecting pipes is realized, which significantly improves production efficiency.

CN222856512UActive Publication Date: 2025-05-13CHANGZHOU CITY WUJIN SHUNDA PRECISION STEEL TUBE
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Patent Information

Application Number
CN202421646055.5
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-07-11
Publication Date
2025-05-13
Estimated Expiration
2034-07-11

AI Technical Summary

Technical Problem

When connecting the existing refrigerator compressor pipes, the flaring equipment is inefficient in working efficiency, requires manual feeding, and the short connection pipe leads to low production efficiency.

Method used

A double-headed automatic flaring device for tube connection of refrigerator compressor is designed, including an automatic clamping mechanism and a flaring mechanism. The automatic feeding and unloading of the connecting pipe is realized through the automatic clamping mechanism, and the flaring work is automatically completed through the flaring mechanism.

Benefits of technology

The automatic processing of the connecting pipe is realized, the production efficiency is improved, manual operation is reduced, and the efficiency of flaring is improved.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to a double-end automatic pipe inserting flaring device for refrigerator compressor pipe connection, and belongs to the technical field of refrigerator compressor pipe machining. The double-end automatic pipe inserting flaring device comprises a rack, an automatic clamping mechanism installed in the middle of the rack and flaring mechanisms symmetrically arranged on the two sides of the automatic clamping mechanism; the automatic clamping mechanism comprises a front stopping assembly and a rear feeding clamping assembly arranged corresponding to the front stopping assembly. According to the connecting pipe flaring device, the automatic clamping mechanism is arranged and matched with the vibration feeding disc to achieve automatic feeding of the connecting pipe, the connecting pipe can be automatically clamped to the stop block and the clamping block, after flaring work is completed, automatic discharging of the connecting pipe can be achieved, and the production efficiency is greatly improved.
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Description

Technical Field

[0001] The present application relates to the technical field of refrigerator compressor pipe processing, and in particular to a double-headed automatic expanding device for connecting refrigerator compressor pipes. Background Art

[0002] The refrigerator evaporator is an important heat exchange component of the refrigerator refrigeration system. It is a device that outputs cold in the refrigeration device and its main function is to absorb heat. Its working principle is to evaporate the low-temperature and low-pressure refrigerant liquid sent by the capillary tube into saturated refrigerant steam after absorbing the heat of the food in the box to achieve the purpose of refrigeration.

[0003] Among them, the capillary tube and the refrigerator evaporator pipe are connected by a very short connecting pipe and then welded together. Both ends of the connecting pipe need to be expanded. In the prior art, the expanding equipment used has low working efficiency and requires manual loading. In addition, since the connecting pipe is very short, the production efficiency is relatively low.

[0004] Therefore, in order to improve production efficiency, it is urgent to develop a device that can automatically load and unload materials and automatically expand the opening. Utility Model Content

[0005] The purpose of the present application is to provide a double-end automatic expansion device for connecting refrigerator compressor pipes to solve the problems raised in the above-mentioned background technology.

[0006] To achieve the above purpose, the present application provides a double-ended automatic expansion device for connecting refrigerator compressor pipes, which adopts the following technical solution:

[0007] 4. The repairing kit for automotive dents, according to claim 1, wherein the tool is a chain which is used to repair the bottom of the engine, and the tool is adapted to carry out a vertical movement of the engine to move the cylinder when the bolt is in the air. The cylinder is configured to move upwards to move the cylinder when the bolt is in the air. The cylinder is configured to move the cylinder upwards to move the cylinder when the bolt is in the air. The cylinder is configured to move the cylinder downwards to move the cylinder. , the bracket is fixed on the base, the slide seat is vertically fixed on the side of the bracket, the loading cylinder is fixed on the slide seat, the slide block is slidably arranged on the slide seat and is driven by the loading cylinder, the clamping member includes a clamping arm and a rotating arm, the clamping arm is fixed to the bottom of the slide block, the rotating arm is hinged on the clamping arm, a spring is connected between the rotating arm and the clamping arm, and a notch is provided on the side of the clamping arm close to the rotating arm. The slide seat is fixed with a first connecting rod, a second connecting rod and a third connecting rod, the second connecting rod and the third connecting rod are correspondingly arranged, a through hole is provided on the second connecting rod, the pressure sensor is installed on the third connecting rod and is correspondingly arranged with the through hole, the first connecting rod is arranged at the top end of the third connecting rod, a connecting shaft is vertically fixed on the first connecting rod, a bearing is rotatably installed on the connecting shaft, and when the top of the rotating arm contacts the bearing, the bottom end of the rotating arm can be away from the clamping arm.

[0008] The flaring mechanism includes a hand-cranked slide, a bearing plate, a driving cylinder, an axle seat and a motor. The hand-cranked slide is fixed on the frame, the bearing plate is fixed on the slide of the hand-cranked slide, the axle seat is slidably connected to the bearing plate, the driving cylinder is used to drive the axle seat to move, the motor is fixed to the side of the axle seat, a rotating shaft is rotatably connected in the axle seat, the rotating shaft is driven by the motor, a chuck is fixed at the end of the rotating shaft, and an inner support rod is fixed in the chuck.

[0009] A vibrating loading tray is also installed on the frame, and the output end of the vibrating loading tray is connected to the through hole in the second connecting rod.

[0010] Preferably, a first pushing cylinder is also fixed next to the base, a through hole is provided inside the base, a first L-shaped steel wire is passed through the through hole, one end of the first L-shaped steel wire is fixed to the output shaft of the first pushing cylinder, and the other end of the first L-shaped steel wire can move along the yield groove in the stop block.

[0011] A second L-shaped steel wire is fixed on the base, and a vertical end of the second L-shaped steel wire is arranged in a clearance groove in the clamping block.

[0012] By adopting the above technical solution, during unloading, the first pushing cylinder drives the first L-shaped steel wire to move along the give way groove in the stop block, so as to push out the connecting pipe stuck in the first clamping notch. The second L-shaped steel wire is arranged so that when the clamping block retracts, the second L-shaped steel wire can push out the connecting pipe stuck in the second clamping notch to prevent the material from getting stuck.

[0013] A discharging trough is provided in the frame, and a top of the discharging trough is arranged between the base and the pedestal.

[0014] To summarize, the present application includes at least one of the following beneficial technical effects: the double-head automatic expanding device for connecting the refrigerator compressor pipe is equipped with an automatic clamping mechanism, which cooperates with a vibrating loading plate to realize automatic loading of the connecting pipe, and can automatically clamp the connecting pipe to the stop block and the clamping block. After the expanding work is completed, the automatic unloading of the connecting pipe can also be realized, which greatly improves the production efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of an embodiment of the present application.

[0016] Figure 2 It is a side view structural schematic diagram of the embodiment of the present application with the expansion mechanism hidden.

[0017] Explanation of the reference numerals in the accompanying drawings: 1. frame; 11. discharge chute; 21. base; 22. stop block; 221. first clamping notch; 31. base; 32. clamping cylinder; 33. clamping block; 331. second clamping notch; 34. bracket; 35. slide seat; 36. feeding cylinder; 38. slide block; 39. clamping piece; 391. clamping arm; 3911. notch; 392. rotating arm; 4. pressure sensor; 5. spring; 6. first connecting rod; 61. bearing; 7. second connecting rod; 8. third connecting rod; 9. flaring mechanism; 91. hand slide; 92. load-bearing plate; 93. driving cylinder; 94. shaft seat; 95. motor; 96. inner support rod; 10. first pushing cylinder; 12. first L-shaped steel wire; 13. second L-shaped steel wire; 14. vibrating feeding tray. DETAILED DESCRIPTION

[0018] The following is combined with Figure 1-2 This application is described in further detail.

[0019] The present application embodiment discloses a double-end automatic expansion device for connecting a refrigerator compressor pipe, referring to Figure 1 and Figure 2 , including a frame 1, an automatic clamping mechanism installed in the middle of the frame 1 and an expansion mechanism 9 symmetrically arranged on both sides of the automatic clamping mechanism, the automatic clamping mechanism includes a front stop assembly and a rear feeding clamping assembly corresponding to the front stop assembly, the front stop assembly includes a base 21 and a stop block 22, the base 21 is fixed on the frame 1, the stop block 22 is fixed on the base 21, and a first clamping notch 221 is opened at the end of the stop block 22, the rear feeding clamping assembly includes a base 31, a clamping cylinder 32, a clamping block 33, a bracket 34, a slide 35, a feeding cylinder 36, a slider 38, a clamping member 39 and a pressure sensor 4, the base 31 is fixed on the frame 1, the clamping block 33 is movably arranged in the base 31, and the clamping block 33 is provided with a second clamping notch 331 at a position corresponding to the first clamping notch 221, the stop block 22 and the clamping block 33 are provided with a clearance groove on the surface, the clamping cylinder 32 is fixed on the side of the base 31, and is used to drive the clamping block 33 to move, and the bracket 34 is fixed on On the base 31, the slide 35 is vertically fixed on the side of the bracket 34, the feeding cylinder 36 is fixed on the slide 35, the slider 38 is slidably arranged on the slide 35 and driven by the feeding cylinder 36, the clamping member 39 includes a clamping arm 391 and a rotating arm 392, the clamping arm 391 is fixed at the bottom of the slider 38, the rotating arm 392 is hinged on the clamping arm 391, a spring 5 is connected between the rotating arm 392 and the clamping arm 391, and a notch 3911 is opened on the side of the clamping arm 391 close to the rotating arm 392 The first connecting rod 6, the second connecting rod 7 and the third connecting rod 8 are fixed on the slide 35, the second connecting rod 7 and the third connecting rod 8 are arranged correspondingly, the second connecting rod 7 is provided with a through hole, the pressure sensor 4 is installed on the third connecting rod 8 and is arranged corresponding to the through hole, the first connecting rod 6 is arranged on the top of the third connecting rod 8, a connecting shaft is vertically fixed on the first connecting rod 6, a bearing 61 is rotatably installed on the connecting shaft, when the top of the rotating arm 392 contacts the bearing 61, the bottom end of the rotating arm 392 can be away from the clamping arm 391;

[0020] The flaring mechanism 9 includes a hand-cranked slide 91, a bearing plate 92, a driving cylinder 93, an axle seat 94 and a motor 95. The hand-cranked slide 91 is fixed on the frame 1, the bearing plate 92 is fixed on the slide of the hand-cranked slide 91, the axle seat 94 is slidably connected to the bearing plate 92, the driving cylinder 93 is used to drive the axle seat 94 to move, the motor 95 is fixed to the side of the axle seat 94, a rotating shaft is rotatably connected in the axle seat 94, the rotating shaft is driven by the motor 95, a chuck is fixed at the end of the rotating shaft, and an inner support rod 96 is fixed in the chuck;

[0021] A discharge chute 11 is provided in the frame 1 , and a top of the discharge chute 11 is arranged between the base 31 and the base 21 .

[0022] Reference Figure 1 and Figure 2 A vibrating loading tray 14 is also installed on the frame 1 , and the output end of the vibrating loading tray 14 is connected to the through hole in the second connecting rod 7 .

[0023] Reference Figure 1 and Figure 2 A first pushing cylinder 10 is also fixed next to the base 21. A through hole is provided inside the base 21. A first L-shaped steel wire 12 is passed through the through hole. One end of the first L-shaped steel wire 12 is fixed to the output shaft of the first pushing cylinder 10. The other end of the first L-shaped steel wire 12 can move along the clearance groove in the stop block 22. A second L-shaped steel wire 13 is fixed on the base 31. The vertical end of the second L-shaped steel wire 13 is arranged in the clearance groove in the clamping block 33.

[0024] During unloading, the first pushing cylinder 10 drives the first L-shaped steel wire 12 to move along the make way groove in the stop block 22, so as to push out the connecting pipe stuck in the first clamping notch 221. The second L-shaped steel wire 13 is arranged so that when the clamping block 33 retracts, the second L-shaped steel wire 13 can push out the connecting pipe stuck in the second clamping notch 331 to prevent the material from getting stuck.

[0025] The implementation principle of the double-end automatic expansion device for connecting refrigerator compressor pipes in the embodiment of the present application is as follows:

[0026] In the initial state, the rotating arm 392 is against the bearing 61, the rotating arm 392 and the clamping arm 391 are open, the discharge pipe of the vibrating loading tray 14, the notch 3911 in the clamping arm 391 and the pressure sensor 4 are on the same axis, the vibrating loading tray 14 feeds the connecting pipe into the notch 3911 of the clamping arm 391, the loading cylinder 36 pushes the slider 38 to move downward, and the slider 38 drives the clamping member 39 to move downward. When the rotating arm 392 is separated from the bearing 61, the spring 5 reset, the rotating arm 392 clamps the connecting tube on the clamping arm 391, the feeding cylinder 36 pushes the connecting tube between the stop block 22 and the clamping block 33, and the rear clamping cylinder 32 works to push the clamping block 33 against the stop block 22, so that the connecting tube can be clamped. After that, the feeding cylinder 36 pulls the slide block 38 to reset. Since the connecting tube has been clamped, the rotating arm 392 rotates to separate from the connecting tube during the upward movement of the clamping member 39, and returns to the initial state again to load the connecting tube;

[0027] After the clamping block 33 and the stop block 22 fix the connecting pipe, the expanding mechanisms 9 on both sides work, the motor 95 drives the inner support rod 96 to rotate, and the driving cylinder 93 pushes the rotating inner support rod 96 to squeeze into the connecting pipe, thereby completing the expanding work of the connecting pipe. After the expanding is completed, the clamping cylinder 32 drives the clamping block 33 to reset, and the connecting pipe completes automatic unloading under the action of its own gravity.

[0028] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A double-end automatic expansion device for connecting refrigerator compressor pipes, characterized in that: The invention comprises a frame (1), an automatic material clamping mechanism installed in the middle of the frame (1), and an expansion mechanism (9) symmetrically arranged on both sides of the automatic material clamping mechanism, wherein the automatic material clamping mechanism comprises a front stop assembly and a rear loading clamping assembly arranged corresponding to the front stop assembly, wherein the front stop assembly comprises a base (21) and a stop block (22), wherein the base (21) is fixed on the frame (1), the stop block (22) is fixed on the base (21), and a first clamping notch (221) is formed at the end of the stop block (22), and the rear loading clamping assembly comprises a base (31), a clamping cylinder (32), a clamping block (33), a bracket (34), a slide The invention relates to a machine frame (1), a base (31), a feeding cylinder (36), a slide block (38), a clamping member (39) and a pressure sensor (4), wherein the base (31) is fixed on the frame (1), the clamping block (33) is movably arranged in the base (31), and a second clamping notch (331) is provided at a position corresponding to the first clamping notch (221) of the clamping block (33), and the surfaces of the stop block (22) and the clamping block (33) are both provided with a clearance groove, the clamping cylinder (32) is fixed on the side of the base (31) and is used to drive the clamping block (33) to move, the bracket (34) is fixed on the base (31), and the slide block (3 5) is vertically fixed to the side of the bracket (34), the feeding cylinder (36) is fixed on the slide seat (35), the slider (38) is slidably arranged on the slide seat (35) and driven by the feeding cylinder (36), the clamping member (39) includes a clamping arm (391) and a rotating arm (392), the clamping arm (391) is fixed to the bottom of the slider (38), the rotating arm (392) is hinged on the clamping arm (391), a spring (5) is connected between the rotating arm (392) and the clamping arm (391), and a notch (3911) is provided on one side of the clamping arm (391) close to the rotating arm (392) ), a first connecting rod (6), a second connecting rod (7) and a third connecting rod (8) are fixed on the slide seat (35), the second connecting rod (7) and the third connecting rod (8) are arranged correspondingly, a through hole is opened on the second connecting rod (7), the pressure sensor (4) is installed on the third connecting rod (8) and is arranged corresponding to the through hole, the first connecting rod (6) is arranged on the top of the third connecting rod (8), a connecting shaft is vertically fixed on the first connecting rod (6), a bearing (61) is rotatably installed on the connecting shaft, when the top of the rotating arm (392) contacts the bearing (61), the bottom end of the rotating arm (392) can be away from the clamping arm (391).

2. The double-end automatic expansion device for connecting refrigerator compressor pipes according to claim 1, characterized in that: The flaring mechanism (9) comprises a hand-cranked slide (91), a bearing plate (92), a driving cylinder (93), an axle seat (94) and a motor (95); the hand-cranked slide (91) is fixed on the frame (1); the bearing plate (92) is fixed on the slide of the hand-cranked slide (91); the axle seat (94) is slidably connected to the bearing plate (92); the driving cylinder (93) is used to drive the axle seat (94) to move; the motor (95) is fixed to the side of the axle seat (94); a rotating shaft is rotatably connected in the axle seat (94); the rotating shaft is driven by the motor (95); a chuck is fixed at the end of the rotating shaft; an inner support rod (96) is fixed in the chuck.

3. The double-end automatic expansion device for connecting refrigerator compressor pipes according to claim 1, characterized in that: A vibrating loading tray (14) is also mounted on the frame (1), and an output end of the vibrating loading tray (14) is connected to a through hole in the second connecting rod (7).

4. The double-end automatic expansion device for connecting refrigerator compressor pipes according to claim 1, characterized in that: A first pushing cylinder (10) is also fixed next to the base (21), and a through hole is arranged inside the base (21), and a first L-shaped steel wire (12) is passed through the through hole, one end of the first L-shaped steel wire (12) is fixed to the output shaft of the first pushing cylinder (10), and the other end of the first L-shaped steel wire (12) can move along the clearance groove in the stop block (22).

5. The double-end automatic expansion device for connecting refrigerator compressor pipes according to claim 4, characterized in that: A second L-shaped steel wire (13) is fixed on the base (31), and a vertical end of the second L-shaped steel wire (13) is arranged in a clearance groove in the clamping block (33).

6. The double-end automatic expansion device for connecting a refrigerator compressor pipe according to any one of claims 1 to 5, characterized in that: A discharge chute (11) is provided in the frame (1), and the top of the discharge chute (11) is arranged between the base (31) and the base (21).