Broaching machining device for air conditioner refrigeration precision copper pipe

By designing an adjustable pipe clamping and reaming mechanism, the problem of existing devices being unable to adapt to copper pipes of different specifications has been solved, achieving stable clamping and flexible reaming of different copper pipes, thus meeting the diverse processing needs of precision copper pipes for air conditioning and refrigeration.

CN223875940UActive Publication Date: 2026-02-06CHANGZHOU JUNCHANG METAL PROD CO LTD
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Patent Information

Application Number
CN202520506210.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-03-21
Publication Date
2026-02-06
Estimated Expiration
2035-03-21

AI Technical Summary

Technical Problem

Existing air conditioning copper pipe enlargement devices cannot meet the clamping and enlargement requirements of copper pipes of different specifications, thus having limitations in use.

Method used

A hole-expanding processing device for precision copper tubes used in air conditioning and refrigeration has been designed. Through an adjustable tube clamping mechanism and hole-expanding mechanism, it is possible to adapt to different copper tube diameters and change drill bits, thereby improving the flexibility and applicability of the equipment.

Benefits of technology

It achieves stable clamping and flexible hole enlargement of copper tubes of different models, meets various hole enlargement processing needs of precision copper tubes for air conditioning and refrigeration, and expands the application range of the equipment.

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Abstract

The utility model discloses an air conditioner refrigeration precision copper pipe broaching machining device which comprises a workbench, first adjusting mechanisms are symmetrically installed at the top of the workbench, moving blocks are fixedly installed at the moving ends of the first adjusting mechanisms, connecting blocks are fixedly installed at the tops of the first adjusting mechanisms, and the connecting blocks are fixedly installed at the moving ends of the first adjusting mechanisms. The inner side of the connecting block is fixedly connected with a pipe fitting clamping mechanism for fixing a copper pipe through an air cylinder, and a second adjusting mechanism is further fixedly installed on one side of the top of the workbench. The broaching machining device for the precise air conditioner refrigeration copper pipe is reasonable in structural design and convenient to use, the clamping base can be replaced according to the diameter of the copper pipe to be broached, so that the broaching machining device is suitable for fixing and using of copper pipes of different models, correspondingly, a drill bit can be replaced according to the requirement for the broaching size, and the machining efficiency is improved. And therefore, the equipment has high use flexibility and wide application range, and can comprehensively meet the chambering machining use requirements of the air conditioner refrigeration precise copper pipe.
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Description

TECHNICAL FIELD

[0001] The utility model relates to copper pipe processing technical field, concretely is a kind of reaming machining device of air conditioner refrigeration precision copper pipe. BACKGROUND

[0002] According to the patent document CN202322587995.3, a "air conditioner copper pipe reamer" is disclosed, which includes a base, a support plate fixedly connected to the top of the base, and bearing holes one provided in the top and bottom of the support plate.

[0003] In this patent, the clamping plate for clamping the copper pipe cannot be replaced, so it can only be used for clamping one size of copper pipe. Correspondingly, the drill bit cannot be replaced, so it cannot meet the different reaming needs and has certain use limitations. Therefore, we propose a reaming machining device for air conditioner refrigeration precision copper pipe to solve the problems raised in the above background technology. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a reaming machining device for air conditioner refrigeration precision copper pipe to solve the problems raised in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme: a reaming machining device for air conditioner refrigeration precision copper pipe, which comprises a workbench, a first adjusting mechanism symmetrically installed on the top of the workbench, a moving block fixedly installed on the moving end of the first adjusting mechanism, a connecting block fixedly installed on the top of the first adjusting mechanism, a pipe fitting clamping mechanism fixedly connected to the inner side of the connecting block through a gas cylinder for fixing the copper pipe, a second adjusting mechanism also fixedly installed on one side of the top of the workbench, and a reaming mechanism fixedly connected to the moving end of the second adjusting mechanism through an electric push rod.

[0006] Further, the pipe fitting clamping mechanism comprises a plug-in seat, a plug-in slot is provided in the top of one side of the plug-in seat, a splicing plug is arranged in the interior of the plug-in slot, and a pipe fitting clamping seat is fixedly installed on one side of the splicing plug.

[0007] Further, a stable rod is fixedly connected to the bottom of the inner wall of the plug-in slot, the top end of the stable rod extends to the outside of the splicing plug and is movably connected thereto, a fixed shaft is installed on the top of the plug-in seat, a pressing sleeve is rotatably connected to the fixed shaft, a first spring is arranged on the surface of the fixed shaft and above the pressing sleeve in correspondence with the pressing sleeve, and a circular hole matched with the stable rod is provided in the bottom of the pressing sleeve.

[0008] Further, the reaming mechanism comprises a cylindrical shell and a connecting sleeve, the cylindrical shell is fixedly installed at one end of the electric push rod, the connecting sleeve is sleeved on the surface of the cylindrical shell, and an reaming head body is fixedly connected to the right side of the connecting sleeve.

[0009] Further, the outer surface of the cylindrical shell is fixedly connected with a guide rod, the outer side of the connecting sleeve is provided with a guide groove matched with the guide rod, the bottom of the inner wall of the cylindrical shell is fixedly connected with an annular plate through a second spring, the inner side of the annular plate is fixedly connected with a locking rod, and the top end of the locking rod penetrates through the cylindrical shell and extends to the outside of the connecting sleeve.

[0010] Further, the first adjusting mechanism comprises a first fixed shell, one end of the first fixed shell is provided with a convex groove, the other end of the first fixed shell is fixedly installed with a first motor, the output shaft of the first motor extends to the inside of the convex groove and is fixedly connected with a first screw rod, a convex block is axially screwed on the first screw rod, and the moving block is fixedly installed on the top of the convex block.

[0011] Further, the second adjusting mechanism comprises a second fixed shell, the second fixed shell is fixedly installed on the top of the workbench, the top of the second fixed shell is fixedly installed with a second motor, the output shaft of the second motor extends to the inside of the second fixed shell and is fixedly connected with a second screw rod, a rectangular block is axially screwed on the second screw rod, and the electric push rod is fixedly installed on the surface of the rectangular block.

[0012] Compared with the prior art, the utility model has the advantages of the following:

[0013] The utility model discloses a copper pipe is expanded to the size of the copper pipe, and the pipe piece clamping seat of different inner diameters is installed, the pressing sleeve is rotated in operation, the pressing sleeve is separated from the shielding of the insertion slot, the assembly insertion block on the pipe piece clamping seat is inserted into the insertion slot, the stable rod also passes through the assembly insertion block at this moment, the pressing sleeve is lifted upward and is rotated after installation, the round hole at the bottom of the stable rod top is directed, the first spring drives the pressing sleeve to reset after the hand is loosened, the assembly insertion block top is pressed, and the pipe piece clamping seat is fixed, the locking rod is pressed downward when the different size expansion head body needs to be installed, the second spring is contracted under the connection of the annular plate, the connecting sleeve on one side of the expansion head body is inserted into the surface of the cylindrical shell under the guidance of the guide rod at this moment, and the second spring can reset the annular plate and the locking rod, the locking rod passes through the insertion hole on the connecting sleeve, and the fixing is formed. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 is a schematic diagram of the three-dimensional structure of the utility model;

[0015] Figure 2 is a schematic diagram of the three-dimensional structure of the utility model plug-in socket;

[0016] Figure 3 is a sectional view of the utility model pressing sleeve structure;

[0017] Figure 4 is a schematic diagram of the three-dimensional structure of the utility model assembled plug-in block and pipe clamp holder;

[0018] Figure 5 is a schematic diagram of the three-dimensional structure of the utility model reaming mechanism;

[0019] Figure 6 is a sectional view of the structure of the utility model cylindrical shell;

[0020] Figure 7 is a schematic diagram of the three-dimensional structure of the utility model first adjusting mechanism.

[0021] In the drawing: 1 workbench, 2 first adjusting mechanism, 21 first fixed shell, 22 convex groove, 23 first motor, 24 first screw rod, 25 convex block, 3 moving block, 4 connecting block, 5 cylinder, 6 pipe clamp mechanism, 61 plug-in socket, 62 plug-in slot, 63 assembled plug-in block, 64 pipe clamp holder, 65 stabilizing rod, 66 fixed shaft, 67 pressing sleeve, 68 first spring, 7 second adjusting mechanism, 71 second fixed shell, 72 second motor, 73 second screw rod, 74 rectangular block, 8 electric push rod, 9 reaming mechanism, 91 cylindrical shell, 92 connecting sleeve, 93 reaming head body, 94 guide rod, 95 second spring, 96 annular plate, 97 locking rod. DETAILED DESCRIPTION

[0022] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0023] Please refer to Figures 1-7The application discloses a reaming device for air conditioner refrigeration precision copper pipes, which comprises a workbench 1, a first adjusting mechanism 2 symmetrically arranged on the top of the workbench 1, a moving block 3 fixedly arranged on the moving end of the first adjusting mechanism 2, a connecting block 4 fixedly arranged on the top of the first adjusting mechanism 2, a pipe clamping mechanism 6 fixedly connected with the inner side of the connecting block 4 through a pneumatic cylinder 5 and used for fixing the copper pipe, the pipe clamping mechanism 6 above the moving block 3 can clamp the copper pipe near the reaming end, the moving block 3 can be moved to adapt to copper pipes of different lengths, the pipe clamping mechanism 6 above the connecting block 4 can clamp the pipe body of the copper pipe, the pipe can be clamped in two positions, thereby greatly improving the stability of the pipe during reaming, a second adjusting mechanism 7 is further fixedly arranged on one side of the top of the workbench 1, a reaming mechanism 9 is fixedly connected with the moving end of the second adjusting mechanism 7 through an electric push rod 8, and the height of the reaming mechanism 9 can be adjusted through the second adjusting mechanism 7, thereby conveniently aligning the reaming position of the copper pipe.

[0024] The pipe clamping mechanism 6 comprises a plug-in seat 61, a plug-in groove 62 is formed in the top of one side of the plug-in seat 61, an assembly plug 63 is arranged in the plug-in groove 62, and a plurality of waves or zigzags are arranged on one side of the plug-in groove 62, so that the assembly plug 63 has high precision when being inserted into the plug-in groove 62, and a pipe clamping seat 64 is fixedly arranged on one side of the assembly plug 63.

[0025] A stabilizing rod 65 is fixedly connected with the bottom of the inner wall of the plug-in groove 62, the top end of the stabilizing rod 65 extends to the outside of the assembly plug 63 and is movably connected with the assembly plug 63, a fixed shaft 66 is arranged on the top of the plug-in seat 61, a pressing sleeve 67 is rotatably connected with the fixed shaft 66, a first spring 68 is arranged on the surface of the fixed shaft 66 and above the pressing sleeve 67, and a circular hole matched with the stabilizing rod 65 is formed in the bottom of the pressing sleeve 67.

[0026] The reaming mechanism 9 comprises a cylindrical shell 91 and a connecting sleeve 92, the cylindrical shell 91 is fixedly arranged on one end of the electric push rod 8, the connecting sleeve 92 is arranged on the surface of the cylindrical shell 91, and a reaming head body 93 is fixedly connected with the right side of the connecting sleeve 92.

[0027] A guide rod 94 is fixedly connected with the outer surface of the cylindrical shell 91, a guide groove matched with the guide rod 94 is formed in the outer side of the connecting sleeve 92, a ring-shaped plate 96 is fixedly connected with the bottom of the inner wall of the cylindrical shell 91 through a second spring 95, a locking rod 97 is fixedly connected with the inner side of the ring-shaped plate 96, and the top end of the locking rod 97 penetrates through the cylindrical shell 91 and extends to the outside of the connecting sleeve 92.

[0028] The first adjusting mechanism 2 comprises a first fixed shell 21 fixedly installed on the top of the workbench 1, one end of the first fixed shell 21 is provided with a convex groove 22, the other end of the first fixed shell 21 is fixedly installed with a first motor 23, the output shaft of the first motor 23 extends into the first fixed shell 21 and is fixedly connected with a first screw rod 24, the first screw rod 24 is axially screwed with a convex block 25, the moving block 3 is fixedly installed on the top of the convex block 25, after the first motor 23 is turned on, the output shaft drives the first screw rod 24 to rotate, the convex block 25 screwed on the first screw rod 24 is combined with the inner wall of the convex groove 22, thereby the moving block 3 can be moved.

[0029] The second adjusting mechanism 7 comprises a second fixed shell 71 fixedly installed on the top of the workbench 1, the top of the second fixed shell 71 is fixedly installed with a second motor 72, the output shaft of the second motor 72 extends into the second fixed shell 71 and is fixedly connected with a second screw rod 73, the second screw rod 73 is axially screwed with a rectangular block 74, the electric push rod 8 is fixedly installed on the surface of the rectangular block 74, in the same way, after the second motor 72 is turned on, the output shaft drives the second screw rod 73 to rotate, the rectangular block 74 screwed on the second screw rod 73 is combined with the inner wall of the second fixed shell 71 on both sides, so that the rectangular block 74 is moved in the vertical direction through the screw transmission, thereby the height of the hole expanding mechanism 9 is adjusted.

[0030] The hole expanding device for the air conditioner refrigeration precision copper pipe has reasonable structure design and convenient use, the clamping seat can be replaced according to the diameter of the copper pipe to be expanded, so that different models of copper pipes can be fixedly used, and the drill bit can be replaced according to the requirement of the hole expanding size, so that the equipment has high use flexibility and wide application range, and can fully meet the hole expanding use requirement of the air conditioner refrigeration precision copper pipe.

[0031] In use, according to the size of the copper pipe to be reamed, different inner diameter pipe clamping seats 64 can be selected for installation, in operation, the pressing sleeve 67 is rotated to be separated from the shielding of the insertion slot 62, the corresponding assembly insertion block 63 above the pipe clamping seat 64 is inserted into the insertion slot 62, at this time the stabilizing rod 65 also penetrates through the assembly insertion block 63, after installation, the pressing sleeve 67 is lifted upward and rotated, so that the bottom hole is opposite to the top end of the stabilizing rod 65, the first spring 68 drives the pressing sleeve 67 to reset after the hand is loosened, the top of the assembly insertion block 63 is pressed, and the pipe clamping seat 64 is fixed, when different sizes of reaming head bodies 93 need to be installed, the locking rod 97 is pressed downward, the second spring 95 is contracted under the connection of the annular plate 96, at this time the connecting sleeve 92 on one side of the reaming head body 93 is inserted into the surface of the cylindrical shell 91 under the guidance of the guide rod 94, until the second spring 95 can drive the annular plate 96 and the locking rod 97 to reset, so that the locking rod 97 penetrates through the insertion hole on the connecting sleeve 92, and the fixing is formed.

[0032] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and variations can be made to these embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A hole-reaming apparatus for precision copper tubes used in air conditioning refrigeration, comprising a worktable (1), characterized in that: The top of the workbench (1) is symmetrically equipped with a first adjustment mechanism (2). A moving block (3) is fixedly installed on the moving end of the first adjustment mechanism (2). A connecting block (4) is fixedly installed on the top of the first adjustment mechanism (2). A pipe clamping mechanism (6) for fixing copper pipes is fixedly connected to the inner side of the connecting block (4) through a cylinder (5). A second adjustment mechanism (7) is also fixedly installed on one side of the top of the workbench (1). A hole enlarging mechanism (9) is fixedly connected to the moving end of the second adjustment mechanism (7) through an electric push rod (8).

2. The hole-expanding processing device for precision copper tubes in air conditioning refrigeration according to claim 1, characterized in that: The pipe clamping mechanism (6) includes a plug-in seat (61), a plug-in groove (62) is provided on the top of one side of the plug-in seat (61), an assembly plug (63) is provided inside the plug-in groove (62), and a pipe clamping seat (64) is fixedly installed on one side of the assembly plug (63).

3. The hole-expanding processing device for precision copper tubes in air conditioning refrigeration according to claim 2, characterized in that: A stabilizing rod (65) is fixedly connected to the bottom of the inner wall of the insertion slot (62). The top of the stabilizing rod (65) extends to the outside of the assembly block (63) and is movably connected to it. A fixing shaft (66) is installed on the top of the insertion seat (61). A pressure sleeve (67) is rotatably connected to the fixing shaft (66). A first spring (68) is sleeved on the surface of the fixing shaft (66) and above the pressure sleeve (67). A round hole adapted to the stabilizing rod (65) is opened at the bottom of the pressure sleeve (67).

4. The hole-expanding processing device for precision copper tubes in air conditioning refrigeration according to claim 3, characterized in that: The hole-expanding mechanism (9) includes a cylindrical shell (91) and a connecting sleeve (92). The cylindrical shell (91) is fixedly installed at one end of the electric push rod (8). The connecting sleeve (92) is sleeved on the surface of the cylindrical shell (91). The hole-expanding head body (93) is fixedly connected to the right side of the connecting sleeve (92).

5. The hole-reaming apparatus for precision copper tubes used in air conditioning refrigeration according to claim 4, characterized in that: A guide rod (94) is fixedly connected to the outer surface of the cylindrical shell (91). A guide groove adapted to the guide rod (94) is opened on the outer side of the connecting sleeve (92). An annular plate (96) is fixedly connected to the bottom of the inner wall of the cylindrical shell (91) by a second spring (95). A locking rod (97) is fixedly connected to the inner side of the annular plate (96). The top end of the locking rod (97) penetrates the cylindrical shell (91) and extends to the outside of the connecting sleeve (92).

6. The hole-reaming apparatus for precision copper tubes used in air conditioning refrigeration according to claim 5, characterized in that: The first adjustment mechanism (2) includes a first fixed shell (21), which is fixedly installed on the top of the workbench (1). One end of the first fixed shell (21) is provided with a convex groove (22), and the other end of the first fixed shell (21) is fixedly installed with a first motor (23). The output shaft of the first motor (23) extends into the convex groove (22) and is fixedly connected to a first screw (24). A convex block (25) is threaded along the axial direction on the first screw (24), and the moving block (3) is fixedly installed on the top of the convex block (25).

7. The hole-reaming apparatus for precision copper tubes used in air conditioning refrigeration according to claim 6, characterized in that: The second adjustment mechanism (7) includes a second fixed housing (71), which is fixedly installed on the top of the workbench (1). A second motor (72) is fixedly installed on the top of the second fixed housing (71). The output shaft of the second motor (72) extends into the interior of the second fixed housing (71) and is fixedly connected to a second screw (73). A rectangular block (74) is threaded along the axial direction on the second screw (73). The electric push rod (8) is fixedly installed on the surface of the rectangular block (74).

Citation Information

Patent Citations

  • Air conditioner copper pipe reamer

    CN220837498U