Automatic pipe end forming, pipe drawing and sawing all-in-one machine

Abstract

The invention provides an automatic pipe end forming, pipe drawing and saw cutting all-in-one machine which comprises a rack, a feeding device, an opening flattening device, a stretching device, a saw cutting device and a discharging device are arranged on the rack at equal intervals, and a transfer manipulator is arranged between every two adjacent machining devices; the all-in-one machine has the advantages of being high in automation degree and high in productivity by compositing all machining devices of the copper pipe for the air conditioner and replacing manual work with the transfer mechanical arm.

Description

Technical Field

[0001] The invention relates to pipe processing equipment, in particular to an automatic pipe end forming, pipe drawing and sawing integrated machine. Background Art

[0002] At present, the existing air conditioners use copper tubes, such as Figure 1 As shown, it includes a copper tube body 43, one end of which is integrally formed with a connecting tube body 44, the outer diameter of which is larger than the diameter of the copper tube body 43, and the other end of which is integrally formed with a connecting tube body 45, the outer diameter of which is smaller than the outer diameter of the copper tube body 43.

[0003] When producing the above-mentioned copper tubes for air conditioners, the blanks of the copper tubes for air conditioners need to be first placed in a flattening device, and the end of the connecting tube body one is flattened by the flattening device. The blanks of the copper tubes for air conditioners are then placed in a stretching device, and the end of the connecting tube body two is clamped and stretched by the stretching device. Finally, the blanks of the copper tubes for air conditioners are placed in a sawing device, and the end of the connecting tube body two is sawed by the sawing device to obtain a finished product of the copper tubes for air conditioners.

[0004] In the above process, workers are required to manually control the flow of the blanks of the copper tubes for air conditioners between various devices, which has the defects of low automation and low production efficiency. Summary of the invention

[0005] In view of this, an object of the present invention is to provide an automatic pipe end forming, pipe drawing and sawing machine, which has the advantages of high automation and high production capacity.

[0006] In order to solve the above technical problems, the technical solution of the present invention is: an automatic pipe end forming, drawing and sawing integrated machine, comprising a frame, on which a feeding device, a flat-end device, a stretching device, a sawing device and a feeding device are arranged at equal intervals, and a transfer robot is arranged between two adjacent processing devices; The frame is provided with a mounting bracket, the mounting bracket spans over all processing devices, the mounting bracket is provided with a sliding track, and the sliding track is provided along the flow direction of the copper tube for air conditioning; The transfer manipulator includes a sliding seat slidably arranged on the sliding track, a lifting cylinder vertically arranged downward on the sliding seat, a transfer bracket arranged at the output end of the lifting cylinder, and two clamping cylinders vertically arranged downward on the transfer bracket, and the connection line of the two clamping cylinders is parallel to the copper tube for air conditioning being processed; A connecting rod is arranged between two adjacent sliding seats, and a transfer power cylinder is also arranged on the mounting bracket, and the output end of the transfer power cylinder is connected to the sliding seat close to the feeding device.

[0007] According to the above technical scheme, when in use, the first step is to neatly stack the copper tubes for air conditioners to be processed in the loading device, and supply the copper tubes for air conditioners one by one through the loading device, the second step is to put the copper tubes for air conditioners supplied by the loading device into the flat-end device through the transfer robot between the loading device and the flat-end device, and perform flat-end treatment on the copper tubes for air conditioners through the flat-end device, the third step is to put the copper tubes for air conditioners after flat-end treatment into the stretching device through the transfer robot between the flat-end device and the stretching device, and stretch the side of the copper tube body close to the connecting tube body two to the same size as the connecting tube body two through the stretching device, the fourth step is to put the copper tubes for air conditioners after stretching treatment into the sawing device through the transfer robot between the stretching device and the sawing device, and perform sawing treatment on the end of the connecting tube body two through the sawing device, the fifth step is to put the copper tubes for air conditioners after sawing treatment into the unloading device through the transfer robot between the sawing device and the unloading device, and transport the processed copper tubes for air conditioners away through the unloading device.

[0008] By combining various processing devices for copper tubes for air conditioners and using a transfer robot instead of manual labor, the above-mentioned all-in-one machine has the advantages of high automation and high production capacity.

[0009] When the transfer manipulator is needed to lift the copper tube for air conditioner, the first step is to drive the transfer bracket and the two clamping cylinders to move downwards through the lifting cylinder until the copper tube for air conditioner is located between the two clamping heads of the clamping cylinder. The second step is to clamp the copper tube for air conditioner through the two clamping cylinders. The third step is to drive the transfer bracket and the two clamping cylinders to move upwards through the lifting cylinder. The two clamping cylinders cooperate to stably clamp the copper tube for air conditioner.

[0010] All processing devices are arranged at equal intervals, the sliding seats are connected by connecting rods, and are driven by a single transfer power cylinder, which has the advantages of low energy consumption and high synchronization.

[0011] Preferably, the feeding device comprises a feeding hopper and a storage rack arranged in sequence; A feeding inclined plate is arranged at the bottom of the loading hopper, and the lower end of the feeding inclined plate extends toward one side of the material storage rack. A material ejection through hole is opened at the lower end of the loading hopper near the material storage rack, and the edge of the material ejection through hole is engaged with the lower end of the feeding inclined plate. A material ejection plate is slidably arranged in the material ejection through hole, and a material ejection inclined surface is arranged at the upper end of the material ejection plate, and the material ejection inclined surface is parallel to the feeding inclined plate. A vertical upward material ejection power cylinder is arranged below the loading hopper, and the output end of the material ejection power cylinder is connected to the material ejection plate to drive the material ejection plate to slide up and down in the loading hopper; A guide inclined plate is arranged at the upper end of the feeding hopper near the material storage rack, and the lower end of the guide inclined plate extends to the outside of the feeding hopper, and a material blocking bracket is arranged above the guide inclined plate, and a material blocking cylinder is arranged vertically downward on the material blocking bracket, and a material blocking plate is arranged at the output end of the material blocking cylinder, and the material blocking plate is used to abut against the guide inclined plate; The upper end of the material storage rack is provided with a material storage opening, and the guide inclined plate introduces the copper pipe for air conditioning into the material storage opening.

[0012] Through the above technical scheme, when it is necessary to use a feeding device to supply a single copper tube for air conditioning, the first step is to drive the feeding plate downward by the feeding power cylinder until the upper end of the feeding slope is flush with the top surface of the feeding slope. At this time, a copper tube for air conditioning located in the feeding hopper will move to the top of the feeding slope and abut against the feeding slope and the inner wall of the feeding hopper close to the storage rack. The second step is to drive the feeding plate upward by the feeding power cylinder until the lower end of the feeding slope is flush with the top surface of the guide inclined plate. At this time, the copper tube for air conditioning will slide downward along the feeding slope under the action of its own weight, move to the guide inclined plate and abut against the baffle plate. The third step is to drive the baffle plate upward by the baffle cylinder. At this time, the copper tube for air conditioning will slide downward along the guide inclined plate and finally fall into the storage opening.

[0013] Preferably, the flat-mouth device comprises a flat-mouth clamping mechanism and a rotating flat-mouth mechanism; The flat-mouth clamping mechanism comprises a flat-mouth clamping base, a flat-mouth fixed chuck fixedly arranged on one side of the flat-mouth clamping base, a flat-mouth movable chuck slidably arranged on the other side of the flat-mouth clamping base, and a flat-mouth clamping power cylinder fixedly arranged on the flat-mouth clamping base, and the flat-mouth fixed chuck and the flat-mouth movable chuck are both provided with flat-mouth clamping through grooves at the positions opposite to each other, and the output end of the flat-mouth clamping power cylinder is connected to the flat-mouth movable chuck to drive the flat-mouth movable chuck to approach or move away from the flat-mouth fixed chuck; The rotating flat-mouth mechanism includes a rotating flat-mouth base, a rotating flat-mouth power member arranged on the rotating flat-mouth base, a rotating flat-mouth tool arranged at the output end of the rotating flat-mouth power member, and a translational power member arranged on the frame. The output end of the translational power member is connected to the rotating flat-mouth base to drive the rotating flat-mouth base to approach or move away from the flat-mouth clamping mechanism.

[0014] Through the above technical scheme, when it is necessary to use a flat-end device to perform flat-end processing on the connecting pipe body one, the first step is to drive the flat-end movable chuck to move toward the side of the flat-end fixed chuck through the flat-end clamping power cylinder until the two flat-end clamping grooves of the flat-end movable chuck and the flat-end fixed chuck clamp the air conditioner copper tube. The second step is to drive the rotating flat-end tool to rotate circumferentially through the rotating flat-end power part. The third step is to drive the rotating flat-end base to move toward the flat-end clamping mechanism through the translational power part. When the rotating flat-end tool abuts against the end of the connecting pipe body one, the rotating flat-end tool performs flat-end processing on the end of the connecting pipe body one.

[0015] Preferably, the flat-mouth clamping base is slidably connected to the frame, a base adjustment mechanism is provided on the frame, and an output end of the base adjustment mechanism is connected to the flat-mouth clamping base to drive the flat-mouth clamping base to approach or move away from the rotating flat-mouth mechanism.

[0016] Through the above technical solution, the position of the flat clamping base can be changed as needed during use to adapt to the processing of copper tubes for air conditioners of different lengths.

[0017] Preferably, a rotating die sleeve is also provided at the output end of the rotating flat-edge power component, the rotating flat-edge tool is located on the inner side of the rotating die sleeve, and a tube expanding rod is provided on the inner side of the rotating die sleeve, and the tube expanding rod is used to extend into the connecting tube body and expand the connecting tube body.

[0018] Through the above technical solution, when the end of the copper tube for air conditioner enters the rotating die sleeve and contacts the tube expansion rod, the tube expansion rod can expand the end of the copper tube for air conditioner to form a connected tube body. In other words, by adding the rotating die sleeve and the tube expansion rod, the pre-processing of the copper tube for air conditioner can be reduced, making the production and processing of the copper tube for air conditioner more convenient.

[0019] Preferably, the stretching device comprises a fixed clamping mechanism, a movable clamping mechanism and a movable drawing die mechanism; The fixed clamping mechanism comprises a fixed clamping base, two stretching movable clamps slidably arranged on the fixed clamping base, and a stretching clamping power member fixedly arranged on the fixed clamping base, wherein the stretching clamping power member is connected to the two stretching movable clamps to drive the two stretching movable clamps to move closer to or away from each other; The movable clamping mechanism comprises a movable clamping bracket slidably arranged on the frame, two transport movable clamps slidably arranged on the movable clamping bracket, and a transport clamping power piece fixedly arranged on the movable clamping bracket, the output end of the transport clamping power piece is connected to the two transport movable clamps to drive the two transport movable clamps to move closer to or away from each other, and a moving power piece is arranged on the frame, and the output end of the moving power piece is connected to the movable clamping bracket to drive the movable clamping bracket to move closer to or away from the fixed clamping mechanism; The movable die-drawing mechanism includes a die-drawing seat and a stretching die. The die-drawing seat is slidably arranged on the frame. The die-drawing seat is located between the fixed clamping mechanism and the movable clamping mechanism. The stretching die is arranged in the die-drawing seat. A die-drawing power part is arranged on the frame. The output end of the die-drawing power part is connected to the die-drawing seat to drive the die-drawing seat to approach or move away from the fixed clamping mechanism.

[0020] Through the above technical scheme, when it is necessary to use a stretching device to stretch the copper tube for air conditioning, in the first step, the two transport movable clamps are driven to approach each other through the transport clamping power piece to clamp and fix the connecting tube body 1 of the copper tube for air conditioning; in the second step, the movable clamping bracket is driven to approach the fixed clamping mechanism through the moving power piece until the connecting tube body 2 of the copper tube for air conditioning passes through the stretching die and enters between the two stretching movable clamps; in the third step, the two stretching movable clamps are driven to approach each other through the stretching clamping power piece to clamp the connecting tube body 1 of the copper tube for air conditioning. The second body is clamped and fixed. In the fourth step, the two transport movable clamps are driven away from each other by the transport clamping power piece to loosen the copper tube for air conditioning. In the fifth step, the movable clamping bracket is driven away from the fixed clamping mechanism by the mobile power piece to leave enough workpieces for cold drawing. In the sixth step, the drawing die seat is driven away from the fixed clamping mechanism by the drawing die power piece. When the drawing die is in contact with the copper tube body of the copper tube for air conditioning, the drawing die will perform cold drawing on the copper tube body so that the side of the copper tube body close to the connecting tube body two becomes the same size as the connecting tube body two.

[0021] Preferably, an installation opening is provided at the upper end of the drawing die seat near the movable clamping mechanism, a support frame is provided in the installation opening, a V-shaped support opening is provided at the upper end of the support frame, and both inner side walls of the V-shaped support opening are tangent to the edge of the inner hole of the drawing die.

[0022] Through the above technical scheme, when the stretching process of the copper tube for air conditioning is completed, in the first step, the movable clamping bracket is driven by the moving power member to approach the fixed clamping mechanism until the connecting tube body 1 of the copper tube for air conditioning enters between the two transport movable clamps, in the second step, the two transport movable clamps are driven to approach each other by the transport clamping power member to clamp and fix the connecting tube body 1 of the copper tube for air conditioning, in the third step, the drawing die power member is used to drive the drawing die seat to approach the fixed clamping mechanism, and in the fourth step, the two stretching movable clamps are driven to move away from each other by the stretching clamping power member to loosen the connecting tube body 2 of the copper tube for air conditioning. , the fifth step, driving the movable clamping bracket away from the fixed clamping mechanism by moving the power piece until the connecting tube body 2 of the copper tube for air conditioning is separated from the stretching die and is placed in the V-shaped support opening, at this time, the support frame can support the connecting tube body 2 of the copper tube for air conditioning to ensure that the connecting tube body 2 of the copper tube for air conditioning is not easily deformed, the sixth step, clamping the copper tube for air conditioning by the transfer robot, the seventh step, driving the two transfer movable chucks away from each other by the transfer clamping power piece, so as to loosen the connecting tube body 1 of the copper tube for air conditioning, and then the copper tube for air conditioning can be placed in the sawing device by the transfer robot.

[0023] Preferably, the sawing device comprises a sawing clamping mechanism and a rotary sawing mechanism; The sawing clamping mechanism comprises a sawing clamping base, sawing movable clamps slidably arranged on both sides of the upper end of the sawing clamping base, and sawing clamping power cylinders fixedly arranged on both sides of the sawing clamping base, and sawing clamping through grooves are provided at the opposite positions of the two sawing movable clamps, and the output end of the sawing clamping power cylinder is connected to the sawing movable clamps to drive the sawing movable clamps to move; The rotary sawing mechanism includes a sawing base, a sawing motor and a saw blade. The sawing base is slidably arranged on the frame. A feeding power piece is arranged on the frame. The output end of the feeding power piece is connected to the sawing base to drive the sawing base to move in a direction perpendicular to the copper tube for air conditioning. The sawing motor is arranged at the upper end of the sawing base, and the output end of the sawing motor is arranged toward one side of the sawing clamping mechanism. The saw blade is fixedly arranged at the output end of the sawing motor.

[0024] According to the above technical scheme, when in use, the first step is to drive the sawing movable chuck to move through the sawing clamping power cylinder to clamp and fix the connecting tube body 2 of the copper tube for air conditioning; the second step is to drive the sawing base to move through the feeding power part so that the saw blade is close to the connecting tube body 2 of the copper tube for air conditioning; when the saw blade abuts against the connecting tube body 2 of the copper tube for air conditioning, the rotating sawing mechanism starts to saw the copper tube for air conditioning; when the saw blade completely passes through the connecting tube body 2 of the copper tube for air conditioning, the sawing process of the copper tube for air conditioning is completed.

[0025] Preferably, a shield is provided on the sawing motor, which covers the upper half of the saw blade. An iron chip box is provided on the frame, and an escape opening is opened in the iron chip box near the sawing clamping mechanism for the air-conditioning copper tube to extend therein, and the lower half of the saw blade is stored in the iron chip box.

[0026] Through the above technical solution, the cooperation of the shield and the iron chip box can effectively prevent iron chips from splashing, thereby improving the safety of the above all-in-one machine when in use. Furthermore, the iron chip box can collect the iron chips generated during the sawing process to reduce the waste of raw materials.

[0027] Preferably, the unloading device comprises an unloading inclined plate, and the lower end of the unloading inclined plate extends to the outside of the frame.

[0028] Through the above technical solution, when the copper tubes for air conditioners fall onto the unloading inclined plate, the unloading inclined plate can guide the copper tubes for air conditioners to move to the outside of the rack to complete the collection of the copper tubes for air conditioners. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] Figure 1 This is a schematic diagram of the structure of the copper tube for air conditioning; Figure 2 It is a structural schematic diagram of an embodiment; Figure 3 It is a partial schematic diagram of an embodiment; Figure 4 It is a schematic diagram of the structure of the installation bracket and the transfer manipulator; Figure 5 It is a structural schematic diagram of the feeding device; Figure 6 is a cross-sectional schematic diagram of a feeding device; Figure 7 It is a structural schematic diagram of the flat-mouth device; Figure 8 is a cross-sectional schematic diagram of a rotary die sleeve; Fig. 9 Schematic diagram of the stretching device Figure 1 ; Fig.10 Schematic diagram of the stretching device Figure 2 ; Fig.11 Schematic diagram of the sawing device Figure 1 ; Fig.12 Schematic diagram of the sawing device Figure 2 .

[0030] Figure numerals: 1, frame; 2, mounting bracket; 3, sliding track; 4, connecting rod; 5, transfer power cylinder; 6, transfer manipulator; 61, sliding seat; 62, lifting cylinder; 63, transfer bracket; 64, clamping claw cylinder; 7, feeding hopper; 8, storage rack; 9, feeding inclined plate; 10, ejecting hole; 11, ejecting plate; 12, ejecting inclined surface; 13, ejecting power cylinder; 14, guiding inclined plate; 15, blocking bracket; 16, blocking cylinder; 1 7. Material blocking plate; 18. Material storage opening; 19. Flat clamping mechanism; 191. Flat clamping base; 192. Flat fixed chuck; 193. Flat movable chuck; 194. Flat clamping power cylinder; 20. Rotating flat mechanism; 201. Rotating flat base; 202. Rotating flat power part; 203. Rotating flat tool; 204. Translational power part; 21. Flat clamping slot; 22. Base adjustment mechanism; 23. Rotating die sleeve; 24. Fixed Fixed clamping mechanism; 241, fixed clamping base; 242, stretching movable clamp; 243, stretching clamping power piece; 25, movable clamping mechanism; 251, movable clamping bracket; 252, transport movable clamp; 253, transport clamping power piece; 26, movable drawing die mechanism; 27, moving power piece; 28, drawing die seat; 29, stretching die; 30, drawing die power piece; 31, installation opening; 32, support frame; 33, V-shaped support opening; 34, sawing Clamping mechanism; 341, sawing clamping base; 342, sawing movable chuck; 343, sawing clamping power cylinder; 35, rotating sawing mechanism; 351, sawing base; 352, sawing motor; 353, saw blade; 36, sawing clamping through slot; 37, feeding power part; 38, baffle; 39, iron chip box; 40, avoidance opening; 41, unloading inclined plate; 42, tube expansion rod; 43, copper tube body; 44, connecting tube body one; 45, connecting tube body two. DETAILED DESCRIPTION

[0031] The specific implementation modes of the present invention are further described below in conjunction with the accompanying drawings to make the technical solutions of the present invention easier to understand and grasp.

[0032] An automatic tube end forming, drawing, sawing and cutting machine, such as Figures 1 to 12 As shown, it includes a frame 1, on which a loading device, a flat-end device, a stretching device, a sawing device and a unloading device are arranged at equal intervals, and the loading device, the flat-end device, the stretching device, the sawing device and the unloading device are arranged along the flow direction of the copper tube for air conditioning. A transfer robot 6 is provided between two adjacent processing devices, and the transfer robot 6 is used to transport the copper tube for air conditioning between two adjacent processing devices.

[0033] The frame 1 is provided with a mounting bracket 2, which crosses over all processing devices. The mounting bracket 2 is provided with a sliding track 3, which is provided along the flow direction of the copper tube for air conditioning. The transfer robot 6 includes a sliding seat 61 slidably provided on the sliding track 3, a lifting cylinder 62 vertically downwardly provided on the sliding seat 61, a transfer bracket 63 provided at the output end of the lifting cylinder 62, and two clamping cylinders 64 vertically downwardly provided on the transfer bracket 63, and the connecting line of the two clamping cylinders 64 is parallel to the copper tube for air conditioning being processed. A connecting rod 4 is provided between two adjacent sliding seats 61, and a transfer power cylinder 5 is also provided on the mounting bracket 2, and the output end of the transfer power cylinder 5 is connected to the sliding seat 61 close to the feeding device.

[0034] The feeding device includes a feeding hopper 7 and a storage rack 8 which are sequentially arranged along the flow direction of the copper tubes for air conditioning. The feeding hopper 7 is used to supply the copper tubes for air conditioning to the storage rack 8 one by one.

[0035] A feeding ramp 9 is provided at the bottom of the feeding hopper 7, and the lower end of the feeding ramp 9 extends to one side of the storage rack 8. A material ejection through hole 10 is provided at the lower end of the feeding hopper 7 near the storage rack 8, and the edge of the material ejection through hole 10 is engaged with the lower end of the feeding ramp 9. A material ejection plate 11 is slidably provided in the material ejection through hole 10, and a material ejection inclined surface 12 is provided at the upper end of the material ejection plate 11, and the material ejection inclined surface 12 is parallel to the feeding ramp 9. A vertically upward material ejection power cylinder 13 is provided below the feeding hopper 7, and the output end of the material ejection power cylinder 13 is connected to the material ejection plate 11 to drive the material ejection plate 11 to slide up and down in the feeding hopper 7. A guide ramp 14 is provided at the upper end of the feeding hopper 7 near the storage rack 8, and the lower end of the guide ramp 14 extends to the outside of the feeding hopper 7. A material blocking bracket 15 is arranged above the guide inclined plate 14, and a material blocking cylinder 16 is arranged on the material blocking bracket 15. A material blocking plate 17 is arranged at the output end of the material blocking cylinder 16, and the material blocking plate 17 is used to abut against the guide inclined plate 14. A material storage opening 18 is opened at the upper end of the material storage rack 8, and the guide inclined plate 14 introduces the copper pipe for air conditioning into the material storage opening 18.

[0036] The flat-mouth device includes a flat-mouth clamping mechanism 19 and a rotating flat-mouth mechanism 20 .

[0037] The flat clamping mechanism 19 includes a flat clamping base 191, a flat fixed chuck 192 fixedly arranged on one side of the flat clamping base 191, a flat movable chuck 193 slidably arranged on the other side of the flat clamping base 191, and a flat clamping power cylinder 194 fixedly arranged on the flat clamping base 191. Flat clamping through grooves 21 are provided at the opposite positions of the flat fixed chuck 192 and the flat movable chuck 193. When the copper tube body of the air conditioner copper tube is clamped and fixed by the flat fixed chuck 192 and the flat movable chuck 193, the copper tube body is located in the two flat clamping through grooves 21, and the outer wall of the copper tube body abuts against the inner wall of the two flat clamping through grooves 21. The output end of the flat clamping power cylinder 194 is connected to the flat movable chuck 193 to drive the flat movable chuck 193 to approach or move away from the flat fixed chuck 192.

[0038] The rotating flat-mouth mechanism 20 includes a rotating flat-mouth base 201, a rotating flat-mouth power member 202 disposed on the rotating flat-mouth base 201, a rotating flat-mouth tool 203 disposed at the output end of the rotating flat-mouth power member 202, and a translational force member 204 disposed on the frame 1. In the present embodiment, the rotating flat-mouth power member 202 is a combination of a servo motor and a reduction gearbox. The output end of the translational force member 204 is connected to the rotating flat-mouth base 201 to drive the rotating flat-mouth base 201 to approach or move away from the flat-mouth clamping mechanism 19. In the present embodiment, the translational force member 204 is a combination of a servo motor and a lead screw nut.

[0039] The flat clamping base 191 is slidably connected to the frame 1, and a base adjustment mechanism 22 is provided on the frame 1. The output end of the base adjustment mechanism 22 is connected to the flat clamping base 191 to drive the flat clamping base 191 to move closer to or away from the rotating flat mechanism 20. In this embodiment, the base adjustment mechanism 22 is a lead screw nut, and the worker can manually adjust the position of the flat clamping base 191.

[0040] The output end of the rotary flat-mouth power member 202 is also provided with a rotary die sleeve 23, and the rotary flat-mouth tool 203 is located inside the rotary die sleeve 23. The inner side of the rotary die sleeve 23 is provided with a pipe expansion rod 42, which is used to extend into the connecting pipe body 1 and expand the connecting pipe body 1.

[0041] The stretching device includes a fixed clamping mechanism 24 , a movable clamping mechanism 25 and a movable drawing die mechanism 26 .

[0042] The fixed clamping mechanism 24 includes a fixed clamping base 241, two stretching movable clamps 242 slidably arranged on the fixed clamping base 241, and a stretching clamping power member 243 fixedly arranged on the fixed clamping base 241. The stretching clamping power member 243 connects the two stretching movable clamps 242 to drive the two stretching movable clamps 242 to move closer to or away from each other. In this embodiment, the stretching clamping power member 243 includes a cylinder, an active block arranged at the output end of the cylinder, and a driven block arranged on the stretching movable clamp 242. Among them, both sides of the active block are provided with push inclined surfaces, and the spacing between the two push inclined surfaces gradually decreases toward the side of the driven block. A response inclined surface is provided at the side wall of the driven block, and the response inclined surface fits the push inclined surface.

[0043] The movable clamping mechanism 25 includes a movable clamping bracket 251 slidably arranged on the frame 1, two transport movable clamps 252 slidably arranged on the movable clamping bracket 251, and a transport clamping power member 253 fixedly arranged on the movable clamping bracket 251. The output end of the transport clamping power member 253 is connected to the two transport movable clamps 252 to drive the two transport movable clamps 252 to move closer to or away from each other. In this embodiment, the transport clamping power member 253 includes a cylinder, an active block arranged at the output end of the cylinder, and a driven block arranged on the transport movable clamp 252. Among them, both sides of the active block are provided with push inclined surfaces, and the spacing between the two push inclined surfaces gradually decreases toward the side of the driven block. A response inclined surface is provided at the side wall of the driven block, and the response inclined surface is in contact with the push inclined surface.

[0044] The frame 1 is provided with a moving power member 27, the output end of which is connected to the movable clamping bracket 251 to drive the movable clamping bracket 251 to move closer to or away from the fixed clamping mechanism 24. In this embodiment, the moving power member 27 is located inside the frame 1 and is a combination of a servo motor, a gear and a rack.

[0045] The movable die-drawing mechanism 26 includes a die-drawing seat 28 and a stretching die 29. The die-drawing seat 28 is slidably arranged on the frame 1, and the die-drawing seat 28 is located between the fixed clamping mechanism 24 and the movable clamping mechanism 25, and the stretching die 29 is arranged in the die-drawing seat 28. An installation opening 31 is provided at the upper end of the die-drawing seat 28 near the movable clamping mechanism 25, and a support frame 32 is provided in the installation opening 31. A V-shaped support opening 33 is provided at the upper end of the support frame 32, and both inner side walls of the V-shaped support opening 33 are tangent to the inner hole edge of the stretching die 29. A die-drawing power member 30 is arranged on the frame 1, and the output end of the die-drawing power member 30 is connected to the die-drawing seat 28 to drive the die-drawing seat 28 to approach or move away from the fixed clamping mechanism 24. In this embodiment, the die-drawing power member 30 is a combination of a servo motor and a lead screw nut.

[0046] The sawing device includes a sawing clamping mechanism 34 and a rotating sawing mechanism 35 .

[0047] The sawing clamping mechanism 34 includes a sawing clamping base 341, a sawing movable chuck 342 slidably arranged on both sides of the upper end of the sawing clamping base 341, and a sawing clamping power cylinder 343 fixedly arranged on both sides of the sawing clamping base 341. The two sawing movable chucks 342 are provided with sawing clamping grooves 36 at the opposite positions. The output end of the sawing clamping power cylinder 343 is connected to the sawing movable chuck 342 to drive the sawing movable chuck 342 to move.

[0048] The rotary sawing mechanism 35 includes a sawing base 351, a sawing motor 352 and a saw blade 353. The sawing base 351 is slidably arranged on the frame 1, and a feeding power member 37 is arranged on the frame 1. The output end of the feeding power member 37 is connected to the sawing base 351 to drive the sawing base 351 to move in a direction perpendicular to the copper pipe for air conditioning. In this embodiment, the feeding power member 37 is a cylinder. The sawing motor 352 is arranged at the upper end of the sawing base 351, and the output end of the sawing motor 352 is arranged toward the side of the sawing clamping mechanism 34, and the saw blade 353 is fixedly arranged at the output end of the sawing motor 352.

[0049] The sawing motor 352 is provided with a shield 38, which covers the upper half of the saw blade 353. The frame 1 is provided with an iron chip box 39, which is located between the sawing clamping mechanism 34 and the rotary sawing mechanism 35. The iron chip box 39 is provided with an escape opening 40 near the sawing clamping mechanism 34, for the copper pipe for air conditioning to extend into, and the lower half of the saw blade 353 is stored in the iron chip box 39.

[0050] The unloading device comprises an unloading inclined plate 41 , and the lower end of the unloading inclined plate 41 extends to the outside of the frame 1 .

[0051] Of course, the above are only typical examples of the present invention. In addition, the present invention may also have many other specific implementations. All technical solutions formed by equivalent replacement or equivalent transformation fall within the scope of protection required by the present invention.

Claims

1. An automatic tube end forming, tube drawing and sawing machine, characterized by: It comprises a frame (1), on which a loading device, a flat-mouth device, a stretching device, a sawing device and a unloading device are arranged at equal intervals, and a transfer robot (6) is arranged between two adjacent processing devices; The frame (1) is provided with a mounting bracket (2), the mounting bracket (2) spans over all processing devices, the mounting bracket (2) is provided with a sliding track (3), and the sliding track (3) is provided along the flow direction of the copper tube for the air conditioner; The transfer robot (6) comprises a sliding seat (61) slidably arranged on the sliding track (3), a lifting cylinder (62) vertically downwardly arranged on the sliding seat (61), a transfer bracket (63) arranged at the output end of the lifting cylinder (62), and two clamping cylinders (64) vertically downwardly arranged on the transfer bracket (63), wherein the connection line of the two clamping cylinders (64) is parallel to the copper pipe for air conditioning being processed; A connecting rod (4) is provided between two adjacent sliding seats (61), and a transfer power cylinder (5) is also provided on the mounting bracket (2), wherein the output end of the transfer power cylinder (5) is connected to the sliding seat (61) close to the loading device.

2. The automatic tube end forming, drawing, sawing and cutting machine according to claim 1 is characterized by: The feeding device comprises a feeding hopper (7) and a material storage rack (8) which are arranged in sequence; A feeding inclined plate (9) is provided at the bottom of the feeding hopper (7), and the lower end of the feeding inclined plate (9) extends toward one side of the material storage rack (8). A material ejection hole (10) is provided at the lower end of the feeding hopper (7) near the material storage rack (8). The edge of the material ejection hole (10) is engaged with the lower end of the feeding inclined plate (9). A material ejection plate (11) is slidably provided in the material ejection hole (10). A material ejection inclined surface (12) is provided at the upper end of the material ejection plate (11), and the material ejection inclined surface (12) is parallel to the feeding inclined plate (9). A material ejection power cylinder (13) is provided vertically upward below the feeding hopper (7), and the output end of the material ejection power cylinder (13) is connected to the material ejection plate (11) so as to drive the material ejection plate (11) to slide up and down in the feeding hopper (7); A guide inclined plate (14) is arranged at the upper end of the feeding hopper (7) near the material storage rack (8), the lower end of the guide inclined plate (14) extends to the outside of the feeding hopper (7), a material blocking bracket (15) is arranged above the guide inclined plate (14), a material blocking cylinder (16) vertically downward is arranged on the material blocking bracket (15), and a material blocking plate (17) is arranged at the output end of the material blocking cylinder (16), and the material blocking plate (17) is used to abut against the guide inclined plate (14); The upper end of the material storage rack (8) is provided with a material storage opening (18), and the guide inclined plate (14) guides the copper pipe for air conditioning into the material storage opening (18).

3. The automatic tube end forming, drawing, sawing and cutting machine according to claim 2 is characterized by: The flat-mouth device comprises a flat-mouth clamping mechanism (19) and a rotating flat-mouth mechanism (20); The flat-mouth clamping mechanism (19) comprises a flat-mouth clamping base (191), a flat-mouth fixed chuck (192) fixedly arranged on one side of the flat-mouth clamping base (191), a flat-mouth movable chuck (193) slidably arranged on the other side of the flat-mouth clamping base (191), and a flat-mouth clamping power cylinder (194) fixedly arranged on the flat-mouth clamping base (191); the flat-mouth fixed chuck (192) and the flat-mouth movable chuck (193) are both provided with flat-mouth clamping through grooves (21) at the positions opposite to each other; the output end of the flat-mouth clamping power cylinder (194) is connected to the flat-mouth movable chuck (193) for driving the flat-mouth movable chuck (193) to move closer to or away from the flat-mouth fixed chuck (192); The rotating flat-mouth mechanism (20) comprises a rotating flat-mouth base (201), a rotating flat-mouth power member (202) arranged on the rotating flat-mouth base (201), a rotating flat-mouth tool (203) arranged at the output end of the rotating flat-mouth power member (202), and a translational power member (204) arranged on the frame (1); the output end of the translational power member (204) is connected to the rotating flat-mouth base (201) to drive the rotating flat-mouth base (201) to approach or move away from the flat-mouth clamping mechanism (19).

4. The automatic tube end forming, drawing, sawing and cutting machine according to claim 3 is characterized by: The flat-mouth clamping base (191) is slidably connected to the frame (1); a base adjustment mechanism (22) is provided on the frame (1); an output end of the base adjustment mechanism (22) is connected to the flat-mouth clamping base (191) for driving the flat-mouth clamping base (191) to move closer to or away from the rotating flat-mouth mechanism (20).

5. The automatic pipe end forming, drawing and sawing machine according to claim 3 is characterized by: The output end of the rotating flat-edge power part (202) is also provided with a rotating die sleeve (23), the rotating flat-edge tool (203) is located on the inner side of the rotating die sleeve (23), and the inner side of the rotating die sleeve (23) is provided with a pipe expansion rod (42), and the pipe expansion rod (42) is used to extend into the connecting pipe body and expand the connecting pipe body.

6. The automatic tube end forming, drawing, sawing and cutting machine according to claim 1 is characterized by: The stretching device comprises a fixed clamping mechanism (24), a movable clamping mechanism (25) and a movable drawing die mechanism (26); The fixed clamping mechanism (24) comprises a fixed clamping base (241), two stretching movable clamps (242) slidably arranged on the fixed clamping base (241), and a stretching clamping power member (243) fixedly arranged on the fixed clamping base (241); the stretching clamping power member (243) is connected to the two stretching movable clamps (242) to drive the two stretching movable clamps (242) to move closer to each other or farther away from each other; The movable clamping mechanism (25) comprises a movable clamping bracket (251) slidably arranged on the frame (1), two transport movable clamps (252) slidably arranged on the movable clamping bracket (251), and a transport clamping power member (253) fixedly arranged on the movable clamping bracket (251), the output end of the transport clamping power member (253) being connected to the two transport movable clamps (252) for driving the two transport movable clamps (252) to move closer to or farther away from each other, and a moving power member (27) being arranged on the frame (1), the output end of the moving power member (27) being connected to the movable clamping bracket (251) for driving the movable clamping bracket (251) to move closer to or farther away from the fixed clamping mechanism (24); The movable die-drawing mechanism (26) comprises a die-drawing seat (28) and a stretching die (29); the die-drawing seat (28) is slidably arranged on the frame (1); the die-drawing seat (28) is located between the fixed clamping mechanism (24) and the movable clamping mechanism (25); the stretching die (29) is arranged in the die-drawing seat (28); a die-drawing power part (30) is arranged on the frame (1); an output end of the die-drawing power part (30) is connected to the die-drawing seat (28) for driving the die-drawing seat (28) to approach or move away from the fixed clamping mechanism (24).

7. The automatic tube end forming, drawing, sawing and cutting machine according to claim 6 is characterized by: An installation opening (31) is provided at the upper end of the drawing die seat (28) near the movable clamping mechanism (25), a support frame (32) is arranged in the installation opening (31), a V-shaped support opening (33) is provided at the upper end of the support frame (32), and both inner side walls of the V-shaped support opening (33) are tangent to the inner hole edge of the drawing die (29).

8. The automatic tube end forming, drawing, sawing and cutting machine according to claim 1 is characterized by: The sawing device comprises a sawing clamping mechanism (34) and a rotating sawing mechanism (35); The sawing clamping mechanism (34) comprises a sawing clamping base (341), sawing movable clamps (342) slidably arranged on both sides of the upper end of the sawing clamping base (341), and a sawing clamping power cylinder (343) fixedly arranged on both sides of the sawing clamping base (341), and sawing clamping through grooves (36) are provided at the opposite positions of the two sawing movable clamps (342), and the output end of the sawing clamping power cylinder (343) is connected to the sawing movable clamps (342) for driving the sawing movable clamps (342) to move; The rotary sawing mechanism (35) comprises a sawing base (351), a sawing motor (352) and a saw blade (353); the sawing base (351) is slidably arranged on the frame (1); a feeding power member (37) is arranged on the frame (1); an output end of the feeding power member (37) is connected to the sawing base (351) to drive the sawing base (351) to move in a direction perpendicular to the copper pipe for the air conditioner; the sawing motor (352) is arranged at the upper end of the sawing base (351), and the output end of the sawing motor (352) is arranged toward one side of the sawing clamping mechanism (34); and the saw blade (353) is fixedly arranged at the output end of the sawing motor (352).

9. The automatic tube end forming, drawing, sawing and cutting machine according to claim 8 is characterized by: The sawing motor (352) is provided with a shield (38) which covers the upper half of the saw blade (353). The frame (1) is provided with an iron filing box (39). The iron filing box (39) is provided with an escape opening (40) near the sawing clamping mechanism (34) for the copper pipe for air conditioning to extend therein. The lower half of the saw blade (353) is stored in the iron filing box (39).

10. The automatic tube end forming, drawing, sawing and cutting machine according to claim 1, characterized in that: The material unloading device comprises a material unloading inclined plate (41), and the lower end of the material unloading inclined plate (41) extends to the outside of the frame (1).

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