Broaching machining device for air conditioner refrigeration copper pipe

Abstract

The invention provides a broaching machining device for an air conditioner refrigeration copper pipe. The broaching machining device comprises a support, the support is connected with a clamping device and a positioning device, and the positioning device is connected with a copper pipe body; the support is connected with the driving device, the driving device comprises a first air cylinder, a fixing plate and a first motor, the first motor is connected with the reaming device, and the reaming device comprises a rotating seat, a second motor, a first bidirectional lead screw, a moving block, a reaming cutter, a stabilizing assembly and an angle adjusting assembly. A second motor drives a first two-way lead screw to rotate, so that two moving blocks and a reaming cutter move oppositely, the position of the reaming cutter is adjusted, a third motor drives a worm to rotate, a worm gear and the reaming cutter are driven to rotate, the angle of the reaming cutter is adjusted, the reaming cutter is driven to descend through a first air cylinder, and the reaming cutter is driven to rotate. And meanwhile, the first motor drives the rotating seat to rotate, so that the reaming cutter is driven to rotate, and the copper pipe body is reamed by the reaming cutter.

Description

Technical Field

[0001] The invention relates to the technical field of copper tube hole enlarging processing, and mainly relates to a hole enlarging processing device for air-conditioning refrigeration copper tubes. Background Art

[0002] The air conditioner has two connecting pipes, one large and one small. The thick one is called the big pipe, and the other is called the small pipe. They are used to connect the internal and external units, so that the internal and external units form a closed system. The refrigerant can circulate in the internal and external units. Generally, the big pipe carries gaseous refrigerant, and the small pipe carries liquid refrigerant. As for which one goes in and which one goes out, it depends on the cooling and heating modes of the air conditioner. In the cooling mode, copper pipes are used for connection in the air conditioner. In order to facilitate operation, when expanding the hole of the copper pipe, the interface of the copper pipe needs to be heated to facilitate expansion.

[0003] The existing patent publication number is CN109365659A, which is a hole-expanding processing device for air-conditioning and refrigeration copper tubes. The copper tube is expanded by an expansion drill bit to make the hole body into a trumpet shape. Although the device sets all the tools needed on one device, reducing the accidental situation of scattered tools being lost or lost during use, the device needs to replace different drill bits when expanding copper tubes of different specifications, thereby reducing work efficiency and making it difficult to adjust the inclination angle of the trumpet-shaped hole body, resulting in a small scope of application. Therefore, it is necessary to design a hole-expanding processing device for air-conditioning and refrigeration copper tubes to solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a hole expansion processing device for air-conditioning refrigeration copper tubes to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solution: a hole expansion processing device for air conditioning refrigeration copper tube, comprising a bracket, two sides of the bracket are connected to a clamping device, the bottom of the bracket is connected to a positioning device, and the top of the positioning device is connected to a copper tube body;

[0006] The top of the bracket is connected to a driving device, and the driving device includes a first cylinder connected to the top of the bracket, a fixed plate connected to the driving end of the first cylinder and a first motor connected to the bottom of the fixed plate. The driving end of the first motor is connected to a reaming device, and the reaming device includes a rotating seat connected to the driving end of the first motor, a second motor connected to one side of the bottom of the rotating seat, a first bidirectional screw connected to the driving end of the second motor and a moving block connected to both sides of the first bidirectional screw, the bottom of the moving block is rotatably connected to a reaming knife, the bottom of the reaming knife is rotatably connected to a stabilizing component, and one side of the top of the reaming knife is connected to an angle adjustment component.

[0007] In the present invention, the angle adjustment assembly facilitates adjustment of the angle of the reaming knife, thereby reaming the hole according to demand, and the rotation of the first bidirectional screw facilitates movement of the two moving blocks, thereby facilitating adjustment of the position of the reaming knife.

[0008] Furthermore, the angle adjustment assembly includes a worm wheel connected to one side of the top of the reaming knife, a worm meshingly connected to the top of the worm wheel and a third motor connected to one side of the worm, and one side of the third motor is connected to a moving block.

[0009] In the present invention, the worm and the worm wheel cooperate to form a self-locking state, thereby preventing the reaming cutter from rotating.

[0010] Furthermore, the stabilizing assembly includes a stabilizing sleeve rotatably connected to the bottom of one reaming knife and a stabilizing rod rotatably connected to the bottom of another reaming knife, and one side of the stabilizing rod is slidably connected to the inner wall of the stabilizing sleeve.

[0011] In the present invention, the stabilizing assembly facilitates improving the stability of the two reaming knives.

[0012] Furthermore, the positioning device includes a fourth motor connected to one side of the bottom of the bracket, a second bidirectional screw connected to the driving end of the fourth motor, an L-shaped plate connected to both sides of the second bidirectional screw and a buffer assembly connected to the top of the L-shaped plate, and a positioning rod is connected to one side of the top of the L-shaped plate.

[0013] In the present invention, the rotation of the second bidirectional screw rod facilitates the two L-shaped plates and the positioning rod to move in opposite directions, thereby facilitating the positioning rod to contact the copper tube body to achieve positioning of the copper tube body.

[0014] Furthermore, the clamping device includes a second cylinder connected to one side of the bracket and a clamping plate connected to a driving end of the second cylinder.

[0015] In the present invention, the clamping plate clamps the top end of the copper tube body to facilitate fixing the copper tube body and prevent the copper tube body from shaking during the hole expansion process.

[0016] Furthermore, the buffer assembly includes telescopic parts connected to both sides of the top of the L-shaped plate, a first spring sleeved on the telescopic parts, and a buffer plate connected to the top of the telescopic parts.

[0017] In the present invention, the first spring facilitates the reset of the buffer plate and provides a buffer space when the copper tube body contacts the buffer plate.

[0018] Furthermore, both sides of the top of the bracket are connected to a telescopic mechanism, and the telescopic mechanism includes a fixed tube connected to one side of the top of the bracket and a telescopic rod slidably connected to the bottom of the fixed tube, and the bottom of the telescopic rod is connected to a fixed plate.

[0019] In the present invention, the telescopic mechanism is convenient for improving the stability of the fixing plate and avoiding deviation of the fixing plate when the fixing plate is raised or lowered.

[0020] Furthermore, the clamping plate is an arc-shaped plate, and a rubber pad is fixed to the arc-shaped surface on the inner side of the clamping plate.

[0021] In the present invention, the rubber pad is convenient for preventing the clamping plate from leaving clamping marks on the surface of the copper tube body.

[0022] Furthermore, an arc-shaped groove is provided on one side of the buffer plate, and the groove body of the arc-shaped groove is slidably connected to the arc-shaped surface of the positioning rod.

[0023] In the present invention, the arc-shaped groove facilitates providing a support point for the positioning rod, thereby improving the stability of the positioning rod and preventing the positioning rod from bending.

[0024] Furthermore, the tops of the two positioning rods are connected by a second spring.

[0025] In the present invention, the second spring is convenient for providing a rebound force, so as to improve the stability of the positioning rod and prevent the positioning rod from bending.

[0026] Compared with the prior art, the present invention has the following beneficial effects:

[0027] The present invention drives the second bidirectional screw rod to rotate by the fourth motor, so that the two L-shaped plates and the positioning rod move in opposition, so that the positioning rod contacts the copper tube body to achieve the positioning of the copper tube body, and drives the clamping plate to move by the second cylinder, so as to clamp the top end of the copper tube body to prevent the copper tube body from shaking during processing, and drives the first bidirectional screw rod to rotate by the second motor, so that the two moving blocks and the reaming knife move in opposition, thereby adjusting the position of the reaming knife, and drives the worm to rotate by the third motor, thereby driving the worm gear and the reaming knife to rotate, so as to adjust the angle of the reaming knife, and drives the reaming knife to descend by the first cylinder, and at the same time drives the rotating seat to rotate by the first motor, thereby driving the reaming knife to rotate, and then the reaming knife expands the copper tube body. The device can adjust the angle of the reaming knife according to copper tubes of different specifications, avoids the reduction of work efficiency due to the replacement of the drill bit, and can adjust the inclination angle of the reaming knife according to the demand, thereby processing trumpet-shaped hole bodies with different inclination angles, thereby improving the scope of application. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0029] Figure 2 This is a schematic diagram of the structure of the present invention in which the copper tube body is completely removed;

[0030] Figure 3 for Figure 2Enlarged view of point A in the middle;

[0031] Figure 4 This is a cross-sectional view of the present invention with the copper tube body removed as a whole;

[0032] Figure 5 This is a top cross-sectional view of the present invention with the copper tube body removed as a whole;

[0033] Figure 6 This is a bottom sectional view of the present invention with the copper tube body removed as a whole.

[0034] In the figure: 10, bracket; 20, positioning device; 21, fourth motor; 22, second bidirectional screw rod; 23, L-shaped plate; 24, buffer assembly; 241, telescopic member; 242, first spring; 243, buffer plate; 2431, arc groove; 25, positioning rod; 30, clamping device; 31, second cylinder; 32, clamping plate; 321, rubber pad; 40, copper tube body; 50, driving device; 51, first cylinder; 52 , fixed plate; 53, first motor; 60, reaming device; 61, rotating seat; 62, second motor; 63, first bidirectional screw; 64, moving block; 65, reaming knife; 66, angle adjustment assembly; 661, worm gear; 662, worm; 663, third motor; 67, stabilizing assembly; 671, stabilizing sleeve; 672, stabilizing rod; 70, telescopic mechanism; 71, fixed cylinder; 72, telescopic rod; 80, second spring. DETAILED DESCRIPTION

[0035] To facilitate understanding of the present invention, the present invention will be described more comprehensively below with reference to the relevant drawings. Several embodiments of the present invention are given in the drawings, but the present invention can be implemented in different forms and is not limited to the embodiments described in the text. On the contrary, these embodiments are provided to make the content disclosed in the present invention more thorough and comprehensive.

[0036] It should be noted that when an element is referred to as being "fixed on" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used in this article are for illustrative purposes only.

[0037] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by technicians in the technical field to which the present invention belongs. The terms used in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The terms used herein and / or include any and all combinations of one or more related listed items.

[0038] For examples, please refer to the attached Figure 1-6 , a hole expansion processing device for air conditioning refrigeration copper tube, comprising a bracket 10, the two sides of the bracket 10 are connected to a clamping device 30, the bottom of the bracket 10 is connected to a positioning device 20, and the top of the positioning device 20 is connected to a copper tube body 40;

[0039] The top of the bracket 10 is connected to a driving device 50, and the driving device 50 includes a first cylinder 51 connected to the top of the bracket 10, a fixed plate 52 connected to the driving end of the first cylinder 51 and a first motor 53 connected to the bottom of the fixed plate 52, the driving end of the first motor 53 is connected to a reaming device 60, and the reaming device 60 includes a rotating seat 61 connected to the driving end of the first motor 53, a second motor 62 connected to one side of the bottom of the rotating seat 61, a first bidirectional screw rod 63 connected to the driving end of the second motor 62, and a moving block 64 connected to both sides of the first bidirectional screw rod 63, the bottom of the moving block 64 is rotatably connected to a reaming knife 65, the bottom of the reaming knife 65 is rotatably connected to a stabilizing component 67, and the top side of the reaming knife 65 is connected to an angle adjustment component 66.

[0040] It should be noted that, in the present embodiment, the angle adjustment assembly 66 facilitates the adjustment of the angle of the reaming knife 65, so as to facilitate reaming according to needs, and the first bidirectional screw 63 is driven to rotate by the second motor 62, so that the two moving blocks 64 and the reaming knife 65 move in opposite directions, thereby adjusting the position of the reaming knife 65, and then adjusting the angle of the reaming knife 65 by the angle adjustment assembly 66, and then the reaming knife 65 is driven to descend by the first cylinder 51, and at the same time, the rotating seat 61 is driven to rotate by the first motor 53, thereby driving the reaming knife 65 to rotate, and then the reaming knife 65 reams the copper tube body 40.

[0041] For examples, please refer to the attached Figure 3 The angle adjustment assembly 66 includes a worm gear 661 connected to one side of the top of the reaming knife 65, a worm 662 meshingly connected to the top of the worm gear 661 and a third motor 663 connected to one side of the worm 662, and one side of the third motor 663 is connected to the moving block 64.

[0042] It should be noted that, in this embodiment, the worm 662 cooperates with the worm wheel 661 to form a self-locking function to prevent the reaming knife 65 from rotating on its own. The worm 662 is driven to rotate by the third motor 663, thereby driving the worm wheel 661 to rotate, and further driving the reaming knife 65 to rotate.

[0043] For examples, please refer to the attached Figure 6The stabilizing assembly 67 includes a stabilizing sleeve 671 rotatably connected to the bottom of one reaming knife 65 and a stabilizing rod 672 rotatably connected to the bottom of another reaming knife 65 , and one side of the stabilizing rod 672 is slidably connected to the inner wall of the stabilizing sleeve 671 .

[0044] It should be noted that, in this embodiment, the stabilizing assembly 67 facilitates improving the stability of the two reaming knives 65 .

[0045] For examples, please refer to the attached Figure 4 The positioning device 20 includes a fourth motor 21 connected to one side of the bottom of the bracket 10, a second bidirectional screw rod 22 connected to the driving end of the fourth motor 21, an L-shaped plate 23 connected to both sides of the second bidirectional screw rod 22 and a buffer assembly 24 connected to the top of the L-shaped plate 23, and a positioning rod 25 is connected to one side of the top of the L-shaped plate 23.

[0046] It should be noted that, in this embodiment, the fourth motor 21 drives the second bidirectional screw 22 to rotate, so that the two L-shaped plates 23 and the positioning rod 25 move in opposite directions, so that the positioning rod 25 contacts the copper tube body 40 to position the copper tube body 40.

[0047] For examples, please refer to the attached Figure 5 The clamping device 30 includes a second cylinder 31 connected to one side of the bracket 10 and a clamping plate 32 connected to the driving end of the second cylinder 31 .

[0048] It should be noted that, in the present embodiment, the clamping plate 32 is driven to move by the second cylinder 31 , thereby clamping the top end of the copper tube body 40 , so as to prevent the copper tube body 40 from shaking during the hole expansion process.

[0049] For examples, please refer to the attached Figure 4 The buffer assembly 24 includes telescopic members 241 connected to both sides of the top of the L-shaped plate 23 , a first spring 242 sleeved on the telescopic member 241 , and a buffer plate 243 connected to the top of the telescopic member 241 .

[0050] It should be noted that, in this embodiment, the buffer plate 243 is reset by the elastic force of the first spring 242 , and a buffer space is provided when the copper tube body 40 contacts the buffer plate 243 , thereby avoiding rigid contact between the copper tube body 40 and the L-shaped plate 23 .

[0051] For examples, please refer to the attached Figure 4 The two sides of the top of the bracket 10 are connected to a telescopic mechanism 70, and the telescopic mechanism 70 includes a fixed tube 71 connected to one side of the top of the bracket 10 and a telescopic rod 72 slidably connected to the bottom of the fixed tube 71, and the bottom of the telescopic rod 72 is connected to the fixed plate 52.

[0052] It should be noted that, in the present embodiment, the telescopic mechanism 70 is convenient for improving the stability of the fixed plate 52 to avoid the deviation of the fixed plate 52 when the fixed plate 52 is raised or lowered, and the telescopic rod 72 is extended or retracted as the fixed plate 52 is raised or lowered.

[0053] For examples, please refer to the attached Figure 2 The clamping plate 32 is an arc-shaped plate, and a rubber pad 321 is fixed to the arc-shaped surface of the clamping plate 32 on the inner side.

[0054] It should be noted that, in this embodiment, the rubber pad 321 prevents the clamping plate 32 from leaving clamping marks on the surface of the copper tube body 40 , and the clamping plate 32 is an arc-shaped plate that improves the stability of the copper tube body 40 .

[0055] For examples, please refer to the attached Figure 4 The tops of the two positioning rods 25 are connected by a second spring 80.

[0056] It should be noted that in this embodiment, when the positioning rod 25 moves to both sides, the second spring 80 gradually returns to its original state, so that the second spring 80 provides a rebound force acting on the positioning rod 25, thereby improving the stability of the positioning rod 25 and preventing the positioning rod 25 from bending when positioning the copper tube body 40.

[0057] The specific operation mode of the present invention is as follows:

[0058] The present invention firstly sleeves the copper tube body 40 on the positioning rod 25, and drives the second bidirectional screw rod 22 to rotate by the fourth motor 21, so that the two L-shaped plates 23 and the positioning rod 25 move in opposite directions, so that the positioning rod 25 contacts the copper tube body 40, and the copper tube body 40 is positioned. Then, the clamping plate 32 is driven to move by the second cylinder 31, so as to clamp the top end of the copper tube body 40;

[0059] The first bidirectional screw rod 63 is driven to rotate by the second motor 62, so that the two moving blocks 64 and the reaming knife 65 move in opposite directions, thereby adjusting the position of the reaming knife 65, and then the worm 662 is driven to rotate by the third motor 663, thereby driving the worm gear 661 and the reaming knife 65 to rotate, so as to adjust the angle of the reaming knife 65, and then the reaming knife 65 is driven to descend by the first cylinder 51, and at the same time, the rotating seat 61 is driven to rotate by the first motor 53, thereby driving the reaming knife 65 to rotate, so that the reaming knife 65 can expand the copper tube body 40.

[0060] The above is an exemplary description of the present invention in combination with the accompanying drawings. It is obvious that the specific implementation of the present invention is not limited to the above-mentioned method. As long as such non-substantial improvements are made by adopting the method concept and technical solution of the present invention, or the concept and technical solution of the present invention are directly applied to other occasions without improvement, they are all within the protection scope of the present invention.

Claims

1. A hole expansion processing device for air conditioning refrigeration copper tubes, comprising a bracket (10), characterized in that: The two sides of the bracket (10) are connected to the clamping devices (30), the bottom of the bracket (10) is connected to the positioning device (20), and the top of the positioning device (20) is connected to the copper tube body (40); The top of the support (10) is connected to a driving device (50), the driving device (50) comprises a first cylinder (51) connected to the top of the support (10), a fixing plate (52) connected to the driving end of the first cylinder (51) and a first motor (53) connected to the bottom of the fixing plate (52), the driving end of the first motor (53) is connected to a reaming device (60), the reaming device (60) comprises a rotating seat (61) connected to the driving end of the first motor (53), a second motor (62) connected to one side of the bottom of the rotating seat (61), a first bidirectional screw rod (63) connected to the driving end of the second motor (62) and a moving block (64) connected to both sides of the first bidirectional screw rod (63), the bottom of the moving block (64) is rotatably connected to a reaming knife (65), the bottom of the reaming knife (65) is rotatably connected to a stabilizing component (67), and the top side of the reaming knife (65) is connected to an angle adjustment component (66).

2. The hole expansion processing device for air conditioning refrigeration copper tube according to claim 1 is characterized in that: The angle adjustment assembly (66) includes a worm wheel (661) connected to one side of the top of the reaming knife (65), a worm (662) meshingly connected to the top of the worm wheel (661) and a third motor (663) connected to one side of the worm (662), and one side of the third motor (663) is connected to the moving block (64).

3. The hole expansion processing device for air conditioning refrigeration copper tube according to claim 1 is characterized in that: The stabilizing assembly (67) includes a stabilizing sleeve (671) rotatably connected to the bottom of one reaming knife (65) and a stabilizing rod (672) rotatably connected to the bottom of another reaming knife (65), and one side of the stabilizing rod (672) is slidably connected to the inner wall of the stabilizing sleeve (671).

4. The hole expansion processing device for air-conditioning refrigeration copper tube according to claim 1, characterized in that: The positioning device (20) comprises a fourth motor (21) connected to one side of the bottom of the bracket (10), a second bidirectional screw rod (22) connected to the driving end of the fourth motor (21), an L-shaped plate (23) connected to both sides of the second bidirectional screw rod (22) and a buffer assembly (24) connected to the top of the L-shaped plate (23), and a positioning rod (25) is connected to one side of the top of the L-shaped plate (23).

5. The hole expansion processing device for air conditioning refrigeration copper tube according to claim 1, characterized in that: The clamping device (30) comprises a second cylinder (31) connected to one side of the bracket (10) and a clamping plate (32) connected to the driving end of the second cylinder (31).

6. The hole expansion processing device for air conditioning refrigeration copper tube according to claim 4, characterized in that: The buffer assembly (24) comprises a telescopic member (241) connected to both sides of the top of the L-shaped plate (23), a first spring (242) sleeved on the telescopic member (241), and a buffer plate (243) connected to the top of the telescopic member (241).

7. The hole expansion processing device for air-conditioning refrigeration copper tube according to claim 1, characterized in that: The two sides of the top of the bracket (10) are connected to a telescopic mechanism (70), the telescopic mechanism (70) comprising a fixed tube (71) connected to one side of the top of the bracket (10) and a telescopic rod (72) slidably connected to the bottom of the fixed tube (71), and the bottom of the telescopic rod (72) is connected to a fixed plate (52).

8. The hole expansion processing device for air-conditioning refrigeration copper tube according to claim 5, characterized in that: The clamping plate (32) is an arc-shaped plate, and a rubber pad (321) is fixed to the arc-shaped surface on the inner side of the clamping plate (32).

9. The hole expansion processing device for air-conditioning refrigeration copper tube according to claim 6, characterized in that: An arc-shaped groove (2431) is provided on one side of the buffer plate (243), and the groove body of the arc-shaped groove (2431) is slidably connected to the arc-shaped surface of the positioning rod (25).

10. The hole expansion processing device for air conditioning refrigeration copper tube according to claim 4, characterized in that: The tops of the two positioning rods (25) are connected via a second spring (80).

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