Automatic press-fitting equipment

Abstract

The invention discloses automatic press-fitting equipment. The automatic press-fitting equipment comprises a rack, an evaporation pipe feeding device and a rubber pipe feeding device. The rubber tube feeding device comprises a rubber tube material box, a rubber tube material distribution disc, a material distribution disc driving mechanism, a rubber tube calibration tube and a push rod mechanism. A plurality of rubber pipe containing grooves are formed in the circumferential face of the rubber pipe distributing disc. When the evaporation pipe and the rubber pipe are assembled, the evaporation pipe feeding device conveys the evaporation pipe to the front side of the rubber pipe calibration pipe. A plurality of rubber pipes are placed in the rubber pipe material box, each rubber pipe is driven to a rubber pipe discharging opening when the rubber pipe material distribution disc rotates by a preset angle, the rubber pipes fall into a rubber pipe calibration pipe from the rubber pipe discharging opening, then the rubber pipes are pushed by a push rod of a push rod mechanism to be combined with an evaporation pipe in a press-fitting mode, and an evaporation pipe assembly is formed. Therefore, according to the automatic press-fitting equipment, automatic operation is achieved, the rubber pipe and the evaporation pipe can be automatically press-fitted together, labor is saved, the assembling efficiency is improved, and the assembling quality of products is also improved.

Description

Technical Field

[0001] The invention relates to the technical field of automobile air-conditioning evaporator pipe assembly, and in particular to an automatic press-fitting device for automatically press-fitting an evaporator pipe and a hose together. Background Art

[0002] The automobile air conditioner includes an evaporator tube assembly, which includes an evaporator tube and a hose. The middle part of the evaporator tube is a thicker tube body, and the two ends of the tube body are relatively thin tube columns. At least one end of the tube column needs to be connected to the hose for medium circulation.

[0003] The hole diameter of the hose is generally slightly smaller than the outer diameter of the pipe column. In the prior art, the operator wears gloves, holds the evaporation tube with one hand and the hose with the other hand, and puts the hose on the pipe column with force, with a depth of about 25mm. During the manual operation, the operator's hand will be painful due to the large resistance of the hose, and long-term operation may even cause deformation of the fingers. In addition, the insertion depth is often insufficient, which affects the assembly quality. Summary of the invention

[0004] The purpose of the present invention is to overcome the deficiencies of the prior art and provide an automatic press-fitting device which realizes automated operation and can automatically press-fit the hose and the evaporator tube together, thereby saving labor, improving assembly efficiency, and improving the assembly quality of the product.

[0005] The technical solution of the present invention provides an automatic press-fitting device for press-fitting a rubber hose and an evaporator tube of an automobile air conditioner to form an evaporator tube assembly;

[0006] The automatic press-fitting equipment comprises a frame and an evaporation tube feeding device and a hose feeding device arranged on the frame;

[0007] The hose feeding device comprises a hose material box with a hose discharge port, a hose distribution plate pivotably arranged in the hose material box, a distribution plate driving mechanism for driving the hose distribution plate to rotate, a hose calibration tube arranged below the hose discharge port and connected to each other, and a push rod mechanism arranged at the rear side of the hose calibration tube;

[0008] A plurality of hose containing grooves extending in the axial direction are arranged at intervals on the circumferential surface of the hose distributing plate, and the hose calibration tube is arranged parallel to the axial direction of the hose distributing plate;

[0009] The evaporation tube feeding device is used to transport the evaporation tube to the front side of the hose calibration tube;

[0010] The push rod of the push rod mechanism extends from the rear end of the hose calibration tube into the hose calibration tube and is used to press and assemble the hose in the hose calibration tube and the evaporation tube together.

[0011] In one of the optional technical solutions, the hose material box includes a funnel-shaped material box body and a sleeve transition portion arranged below the material box body and arranged horizontally, the hose discharge port is arranged at the bottom of the sleeve transition portion, and the top of the sleeve transition portion has a sleeve opening portion connected to the material box body;

[0012] The hose material distribution plate is assembled in the sleeve transition portion and is coaxially arranged with the sleeve transition portion, and the gap between the surface of the hose material distribution plate and the inner surface of the sleeve transition portion is smaller than the diameter of the hose.

[0013] In one of the optional technical solutions, part of the hose material distribution tray is located in the material box body.

[0014] In one of the optional technical solutions, the evaporator tube loading device includes a first support frame for supporting the tube columns at both ends of the evaporator tube, a second support frame provided on the inner side of the first support frame and used to support the tube body of the evaporator tube, a first driving mechanism for driving the second support frame to move up and down, and a second driving mechanism for driving the second support frame to move along the extension direction of the first support frame;

[0015] The extension direction of the first support frame is perpendicular to the hose calibration tube, and the head end of the first support frame is located at the front side of the hose calibration tube;

[0016] The top surface of the first support frame is provided with a plurality of pipe column limiting grooves at intervals along the length direction, and the top surface of the second support frame is provided with a plurality of pipe body limiting grooves at intervals along the length direction;

[0017] Under the action of the first driving mechanism and the second driving mechanism, the second support frame can be lifted and moved toward the hose calibration tube side, so as to move the evaporation tube on the first support frame toward the hose calibration tube side one by one.

[0018] In one of the optional technical solutions, the tail end of the second support frame extends out from the tail end of the first support frame, and the tail end of the second support frame has at least one of the tube body limiting grooves;

[0019] The evaporator tube loading device comprises an evaporator tube loading rack arranged at the rear side of the tail end of the second support frame and a third driving mechanism for driving the first support frame and the second support frame to move forward and backward synchronously;

[0020] Under the joint action of the first driving mechanism, the second driving mechanism and the third driving mechanism, the second support frame can pick up the evaporation tube from the evaporation tube loading rack and send the evaporation tube to the first support frame.

[0021] In one of the optional technical solutions, an inclined unloading plate for unloading the evaporator tube assembly is provided on the frame at the head end side of the first support frame, and the inclined unloading plate has a unloading plate notch for the second support frame to enter, and the width of the unloading plate notch along the front-to-back direction is smaller than the length of the tube body of the evaporator tube.

[0022] In one of the optional technical solutions, the notch of the discharge plate is aligned with the evaporation tube carrier;

[0023] When the head end of the second support frame unloads one evaporation tube assembly toward the inclined unloading plate, the tail end of the second support frame picks up one evaporation tube from the evaporation tube loading rack.

[0024] In one of the optional technical solutions, the first support frame includes two first support plates arranged at intervals, and the pipe column limiting grooves on the two first support plates are arranged in pairs;

[0025] The second support frame includes two second support plates arranged at intervals, the two second support plates are located between the two first support plates, and the tube body limiting grooves on the two second support plates are arranged in pairs.

[0026] In one of the optional technical solutions, the frame is provided with an evaporator tube pressing mechanism, and the evaporator tube pressing mechanism is located at the front side of the hose calibration tube;

[0027] When the rubber hose and the evaporator tube are in a press-fit state, the evaporator tube pressing mechanism presses the evaporator tube.

[0028] In one of the optional technical solutions, a lubrication mechanism is provided on the frame, and before the evaporator tube reaches the pressing station, lubricating liquid is applied to the tube column of the evaporator tube through the lubrication mechanism.

[0029] The above technical solution has the following beneficial effects:

[0030] The automatic pressing device provided by the present invention comprises a frame, an evaporating tube feeding device and a hose feeding device. The hose feeding device comprises a hose material box, a hose distribution plate, a distribution plate driving mechanism, a hose calibration tube and a push rod mechanism. A plurality of hose receiving grooves are arranged on the circumferential surface of the hose distribution plate.

[0031] When assembling the evaporator tube and the hose, the evaporator tube loading device transports the evaporator tube to the front side of the hose calibration tube. Multiple hoses are placed in the hose material box, and the hose distribution plate drives one hose to the hose discharge port every time it rotates a preset angle. The hose falls from the hose discharge port into the hose calibration tube, and then the push rod of the push rod mechanism pushes the hose and the evaporator tube to be pressed together to form an evaporator tube assembly.

[0032] Therefore, the automatic press-fitting equipment provided by the present invention realizes automated operation and can automatically press-fit the hose and the evaporator tube together, thereby saving labor, improving assembly efficiency, and improving the assembly quality of the product. BRIEF DESCRIPTION OF THE DRAWINGS

[0033] The disclosure of the present invention will become more easily understood with reference to the accompanying drawings. It should be understood that these drawings are only for illustrative purposes and are not intended to limit the scope of protection of the present invention. In the drawings:

[0034] Figure 1 A three-dimensional diagram of an automatic press-fitting device provided by an embodiment of the present invention at a first viewing angle;

[0035] Figure 2 A three-dimensional diagram of an automatic press-fitting device provided by an embodiment of the present invention at a second viewing angle;

[0036] Figure 3 A three-dimensional diagram of an automatic press-fitting device provided by an embodiment of the present invention at a third viewing angle;

[0037] Figure 4 It is a three-dimensional diagram of the hose feeding device;

[0038] Figure 5 It is a cross-sectional view of the hose feeding device along the radial direction of the hose calibration tube;

[0039] Figure 6 It is a cross-sectional view of the hose feeding device along the axial direction of the hose calibration tube;

[0040] Figure 7 This is a three-dimensional diagram of the hose distribution tray;

[0041] Figure 8 A perspective view of a hose calibration tube;

[0042] Fig. 9 It is a three-dimensional picture of the evaporation tube feeding device at one viewing angle;

[0043] Fig.10 It is a stereoscopic view of the evaporation tube feeding device from another viewing angle;

[0044] Fig.11 A three-dimensional diagram of the evaporation tube feeding device from another viewing angle;

[0045] Fig.12 is a three-dimensional diagram of a first support frame;

[0046] Fig.13 It is a three-dimensional diagram of the second support frame and the evaporation tube loading frame;

[0047] Fig.14 is a three-dimensional view of an inclined discharge plate;

[0048] Fig.15 It is a three-dimensional diagram of the lubrication mechanism;

[0049] Fig.16 It is a three-dimensional diagram of the evaporation tube pressing mechanism;

[0050] Fig.17 This is an exploded view of the evaporator tube pressing mechanism;

[0051] Fig.18 is a cross-sectional view of the evaporation tube pressing mechanism;

[0052] Fig.19 This is an exploded view of the evaporation tube assembly. DETAILED DESCRIPTION

[0053] The specific embodiments of the present invention are further described below in conjunction with the accompanying drawings. The same components are represented by the same reference numerals. It should be noted that the words "front", "rear", "left", "right", "upper" and "lower" used in the following description refer to directions in the accompanying drawings, and the words "inner" and "outer" refer to directions toward or away from the geometric center of a specific component, respectively.

[0054] like Figure 1-8 and Fig.19 As shown, an automatic press-fitting device provided in one embodiment of the present invention is used to press-fit a hose 7 and an evaporator tube 6 of an automobile air conditioner to form an evaporator tube assembly.

[0055] The automatic pressing device comprises a frame 1 and an evaporation tube feeding device 2 and a hose feeding device 3 arranged on the frame 1 .

[0056] The hose feeding device 3 includes a hose material box 31 with a hose discharge port 314, a hose distribution plate 32 pivotably arranged in the hose material box 31, a distribution plate driving mechanism 33 for driving the hose distribution plate 32 to rotate, a hose calibration tube 34 arranged below the hose discharge port 314 and interconnected, and a push rod mechanism 35 arranged on the rear side of the hose calibration tube 34.

[0057] A plurality of hose containing grooves 322 extending along the axial direction are provided at intervals on the circumferential surface of the hose distributing plate 32 , and the hose calibration tube 34 is arranged parallel to the axial direction of the hose distributing plate 32 .

[0058] The evaporation tube feeding device 2 is used to transport the evaporation tube 6 to the front side of the hose calibration tube 34 .

[0059] The push rod 351 of the push rod mechanism 35 extends from the rear end of the hose calibration tube 34 into the hose calibration tube 34 and is used to press and assemble the hose 7 in the hose calibration tube 34 and the evaporation tube 6 together.

[0060] The automatic press-fitting device provided by the present invention is used to press-fit the evaporation tube 6 and the rubber hose 7 for automobile air conditioner together to form an evaporation tube assembly. The automatic press-fitting device has a control system for controlling the automatic operation of each electrical component.

[0061] The automatic press-fitting device comprises a frame 1, an evaporating tube feeding device 2 and a hose feeding device 3. The frame 1 comprises a main support 11 and an operating platform 12 arranged on the main support 11.

[0062] The evaporator tube feeding device 2 and the hose feeding device 3 are respectively installed on the frame 1. Specifically, the evaporator tube feeding device 2 can be arranged on the main bracket 11, and the hose feeding device 3 can be arranged on the operating platform 12. The hose feeding device 3 is located at the front side of the operating platform 12.

[0063] The evaporator tube feeding device 2 is used to convey the evaporator tube 6 toward the press-fitting station. The evaporator tube feeding device 2 can use a transmission belt with a clamp, or a conveyor frame with a slot, etc. After the evaporator tube 6 is placed, the tube column 62 at one end of the evaporator tube 6 faces the rear side to be press-fitted with the rubber tube 7 conveyed by the rubber tube feeding device 3.

[0064] The hose feeding device 3 comprises a hose material box 31 , a hose distribution tray 32 , a distribution tray driving mechanism 33 , a hose calibration tube 34 and a push rod mechanism 35 .

[0065] The hose material box 31 is connected to the operating platform 12 through the connecting frame 13. The hose material box 31 is used to accommodate multiple hoses 7, and the bottom of the hose material box 31 has a hose discharge port 314. The hose material box 31 is flat, or its cross section is rectangular. The width of the hose material box 31 is substantially equal to the length of the hose 7, and the width direction of the hose material box 31 is arranged along the front-to-back direction. Multiple hoses 7 are stacked in the hose material box 31, and the hoses 7 can fall from the hose discharge port 314.

[0066] In order to ensure that only one hose 7 is dropped from the hose discharge port 314 each time, a hose distribution tray 32 is disposed in the hose material box 31. The hose distribution tray 32 is connected to the two side walls of the hose material box 31 through a rotating shaft 321. The rotating shaft 321 extends along the width direction of the hose material box 31.

[0067] A plurality of hose accommodating grooves 322 are provided on the circumferential surface of the hose distributing plate 32, and the hose accommodating grooves 322 are parallel to the rotating shaft 321. Preferably, the plurality of hose accommodating grooves 322 are evenly distributed on the circumferential surface of the hose distributing plate 32.

[0068] The depth of the hose accommodating groove 322 is slightly greater than the diameter of the hose 7, and the hose accommodating groove 322 accommodates only one hose 7 at a time. When one of the hose accommodating grooves 322 rotates to the top of the hose discharge port 314, the hose 7 in the hose accommodating groove 322 falls from the hose discharge port 314.

[0069] A material distribution plate driving mechanism 33 is arranged outside the hose material box 31, and a stepper motor or a servo motor can be used. The material distribution plate driving mechanism 33 is connected to the rotating shaft 321. The material distribution plate driving mechanism 33 drives the hose material distribution plate 32 to rotate by a preset angle each time, so that a hose receiving groove 322 rotates to the top of the hose discharge port 314, and only one hose 7 falls from the hose discharge port 314 each time. The above preset angle is the central angle between two adjacent hose receiving grooves 322. The material distribution plate driving mechanism 33 can be installed on the operating platform 12.

[0070] The hose calibration tube 34 is disposed below the hose discharge port 314 and extends in the front-rear direction. The front end 34a of the hose calibration tube 34 faces the evaporation tube feeding device 2 , which is used to transport the evaporation tube 6 to the front side of the hose calibration tube 34 .

[0071] The aperture of the hose calibration tube 34 is slightly larger than the diameter of the hose 7. The hose calibration tube 34 can be installed on the operating platform 12. The top of the hose calibration tube 34 is provided with a hose feed port 341, and the hose feed port 341 can be arranged below the hose discharge port 314 at intervals, or can be connected to the hose feed port 341. Preferably, a guide plate 342 is provided on opposite sides of the hose feed port 341, and the opening between the two guide plates 342 gradually becomes larger in the direction from bottom to top, which is conducive to guiding a hose 7 falling from the hose discharge port 314 to fall into the hose feed port 341.

[0072] The push rod mechanism 35 is arranged at the rear side of the hose calibration tube 34, and includes a telescopic drive module and a push rod 351. The push rod 351 is connected to the telescopic drive module and driven by the telescopic drive module to move forward and backward. The telescopic drive module can be a cylinder, an oil cylinder, a motor screw or the like.

[0073] The push rod 351 extends from the rear end 34b of the hose calibration tube 34 into the hose calibration tube 34. In normal state, the front end of the push rod 351 is at the rear side of the hose feed port 341. After the hose 7 falls from the hose feed port 341, the telescopic drive module drives the push rod 351 to extend forward, thereby pushing the hose 7 forward to press the hose 7 onto the tube column 62 of the evaporator tube 6.

[0074] As required, a monitoring module may be provided at the hose feed port 341 to monitor whether the hose 7 falls into the hose feed port 341. The monitoring module may be a camera, a sensor, etc., which is connected to the control system.

[0075] Preferably, the radius of the push rod 351 is greater than the radius of the center hole of the hose 7 , the front end of the push rod 351 is provided with a tip portion for extending into the center hole of the hose 7 , and the main body of the push rod 351 is used to push the rear end of the hose 7 .

[0076] When assembling the evaporation tube 6 and the rubber tube 7, the evaporation tube feeding device 2 delivers the evaporation tube 6 to the front side of the rubber tube calibration tube 34. A plurality of rubber tubes 7 are placed in the rubber tube material box 31 in advance, and the rubber tube distribution plate 32 drives one rubber tube 7 to the rubber tube discharge port 314 every time it rotates a preset angle, and the rubber tube 7 falls into the rubber tube calibration tube 34 from the rubber tube discharge port 314, and then the push rod 351 of the push rod mechanism 35 pushes the rubber tube 7 and the evaporation tube 6 to be pressed and assembled together to form an evaporation tube assembly.

[0077] Therefore, the automatic press-fitting equipment provided by the present invention realizes automated operation and can automatically press-fit the hose 7 and the evaporator tube 6 together to form an evaporator tube assembly, thereby saving labor, improving assembly efficiency, and improving the assembly quality of the product.

[0078] In one embodiment, if Figure 4-5 As shown, the hose material box 31 includes a funnel-shaped material box body 311 and a sleeve transition portion 312 arranged below the material box body 311 and horizontally arranged, the hose discharge port 314 is arranged at the bottom of the sleeve transition portion 312, the top of the sleeve transition portion 312 has a sleeve opening portion 313 connected to the material box body 311, and the hose discharge port 314 is arranged at the bottom of the sleeve transition portion 312.

[0079] The hose distributing plate 32 is assembled in the sleeve transition portion 312 and arranged coaxially with the sleeve transition portion 312 . The gap between the surface of the hose distributing plate 32 and the inner surface of the sleeve transition portion 312 is smaller than the diameter of the hose 7 .

[0080] In this embodiment, the hose material box 31 is divided into a material box body 311 and a sleeve transition part 312. The material box body 311 is funnel-shaped with a wide top and a narrow bottom along the front-to-back direction, and the sleeve transition part 312 is integrally arranged at the bottom of the material box body 311. The sleeve transition part 312 is axially along the front-to-back direction, and the hose material distribution plate 32 is assembled in the sleeve transition part 312, and the rotating shaft 321 is coaxially arranged with the sleeve transition part 312. The top of the sleeve transition part 312 is provided with a sleeve opening 313 for the hose 7 to fall into the sleeve transition part 312. Since the gap between the surface of the hose material distribution plate 32 and the inner surface of the sleeve transition part 312 is smaller than the diameter of the hose 7, the hose 7 will not leak from the gap between the hose material distribution plate 32 and the sleeve transition part 312, and the material can only be distributed to the hose discharge port 314 through the hose receiving groove 322.

[0081] In one embodiment, if Figure 5 As shown, part of the hose distribution plate 32 is located in the material box body 311 so as to carry the hose 7 in the material box body 311 to rotate to the hose discharge port 314 through the hose receiving groove 322 .

[0082] Preferably, the central angle of the sleeve opening 313 is between 45° and 60°, which can ensure that a portion of the hose distribution tray 32 is in the material box body 311 while preventing the opening from being too large.

[0083] In one embodiment, if Figure 1-3 and Figure 9-13 As shown, the evaporator tube loading device 2 includes a first support frame 21 for supporting the tube columns 62 at both ends of the evaporator tube 6, a second support frame 22 arranged on the inner side of the first support frame 21 and used to support the tube body 61 of the evaporator tube 6, a first driving mechanism 25 for driving the second support frame 22 to move up and down, and a second driving mechanism 26 for driving the second support frame 22 to move along the extension direction of the first support frame 21.

[0084] The extending direction of the first support frame 21 is perpendicular to the hose calibration tube 34 , and the head end of the first support frame 21 is located at the front side of the hose calibration tube 34 .

[0085] A plurality of pipe column limiting grooves 212 are provided at intervals along the length direction on the top surface of the first support frame 21 , and a plurality of pipe body limiting grooves 222 are provided at intervals along the length direction on the top surface of the second support frame 22 .

[0086] Under the action of the first driving mechanism 25 and the second driving mechanism 26 , the second support frame 22 can be lifted and moved toward the hose calibration tube 34 to move the evaporation tube 6 on the first support frame 21 toward the hose calibration tube 34 one by one.

[0087] In this embodiment, the evaporation tube loading device 2 includes a first support frame 21 , a second support frame 22 , a first driving mechanism 25 and a second driving mechanism 26 .

[0088] The first support frame 21 and the second support frame 22 are respectively installed on the frame 1 . Specifically, the first support frame 21 and the second support frame 22 are respectively connected to the main support 11 .

[0089] The conveying direction of the evaporation tube 6 is located in front of the hose calibration tube 34 and is perpendicular to the hose calibration tube 34 .

[0090] In the conveying direction along the evaporation tube 6, the first support frame 21 and the second support frame 22 are respectively divided into a head end and a tail end. The head end 21a of the first support frame 21 and the head end 22a of the second support frame 22 are respectively facing the hose calibration tube 34, and the tail end 21b of the first support frame 21 and the tail end 22b of the second support frame 22 are located on one side of the hose calibration tube 34.

[0091] The first support frame 21 is used to support the tube columns 62 at both ends of the evaporation tube 6. The top surface of the first support frame 21 is provided with a plurality of tube column limiting grooves 212, which are arranged at intervals along the length direction of the first support frame 21. The length direction of the first support frame 21 is the direction from the tail end 21b to the head end 21a.

[0092] The second support frame 22 is used to support the tube body 61 of the evaporation tube 6. A plurality of tube body limiting grooves 222 are provided on the top surface of the second support frame 22, and the plurality of tube body limiting grooves 222 are arranged at intervals along the length direction of the second support frame 22. The length direction of the second support frame 22 is the direction from the tail end 22b to the head end 22a.

[0093] The second support frame 22 is assembled in the first support frame 21 , and can move up and down relative to the first support frame 21 , and can also move along the length direction relative to the first support frame 21 .

[0094] The radius of the tube body 61 is much larger than the radius of the tube column 62, so the radius of the tube column limiting groove 212 is much smaller than the radius of the tube body limiting groove 222. When the first support frame 21 supports the tube columns 62 at both ends of the column evaporation tube 6, the tube column 62 is in the tube column limiting groove 212, and the tube body 61 is in the first support frame 21.

[0095] When the second support frame 22 is in the initial state, the top surface of the second support frame 22 is lower than the top surface of the first support frame 21, and there is a tube body limiting groove 222 below each tube column limiting groove 212. When the first support frame 21 supports the evaporation tube 6, a part of the tube body 61 is in the tube body limiting groove 222, and the tube body limiting groove 222 limits the tube body 61.

[0096] When the second support frame 22 is driven to rise, the evaporator tube 6 can be lifted up and the tube column 62 can be separated from the tube column limiting groove 212. Afterwards, when the second support frame 22 is driven to move a preset distance from the tail end side to the head end side, that is, when the second support frame 22 is driven to move a preset distance toward the hose calibration tube 34, the evaporator tube 6 can be moved toward the head end side to the top of the next tube column limiting groove 212, and then the second support frame 22 is dropped and reset, and the tube columns 62 at both ends of the evaporator tube 6 are supported by the first support frame 21. The preset distance is the distance between two adjacent tube column limiting grooves 212. In this way, the evaporator tubes 6 on the tail end side of the first support frame 21 can be successively transferred toward the head end side. The evaporator tube 6 on the most head end side is at the front side of the hose calibration tube 34. After the evaporation tube 6 at the head end and a rubber hose 7 are pressed together to form an evaporation tube assembly, the evaporation tube assembly is removed, and then the evaporation tube 6 is moved from the second support frame 22 toward the head end side of the first support frame 21 .

[0097] In order to achieve the drive adjustment of the second support frame 22, in this embodiment, a first drive mechanism 25 and a second drive mechanism 26 are configured. The first drive mechanism 25 and the second drive mechanism 26 can adopt a linear drive mechanism such as a cylinder, an oil cylinder, a motor screw, etc.

[0098] The first driving mechanism 25 is used to drive the second support frame 22 to move up and down, and the second driving mechanism 26 is used to drive the second support frame 22 to move along the length direction, that is, to reciprocate along the direction of the head end 21a and the tail end 21b of the first support frame 21.

[0099] The connection method among the first driving mechanism 25, the second driving mechanism 26 and the second supporting frame 22 can be set as required.

[0100] In one embodiment, if Figure 1-3 and Figure 9-13 As shown, a mounting seat 28 and a connecting seat 29 are provided on one side of the main support 11. The connecting seat 29 is located above the mounting seat 28. The first driving mechanism 25 is provided on the connecting seat 29 and connected to the second support frame 22, and is used to drive the second support frame 22 to move up and down. The second driving mechanism 26 is provided on the mounting seat 28 and connected to the connecting seat 29, and is used to drive the connecting seat 29 to reciprocate along the direction of the head end 21a and the tail end 21b of the first support frame 21. When the connecting seat 29 moves, it will drive the first driving mechanism 25 and the second support frame 22 to move linearly as a whole.

[0101] In one embodiment, if Figure 9-13 As shown, the tail end 22 b of the second support frame 22 extends out from the tail end 21 b of the first support frame 21 , and the tail end 22 b of the second support frame 22 has at least one tube limiting groove 222 .

[0102] The evaporation tube loading device 2 includes an evaporation tube loading rack 23 disposed at the rear side of the tail end 22 b of the second support frame 22 and a third driving mechanism 27 for driving the first support frame 21 and the second support frame 22 to move forward and backward synchronously.

[0103] Under the combined action of the first driving mechanism 25 , the second driving mechanism 26 and the third driving mechanism 27 , the second support frame 22 can pick up the evaporation tube 6 from the evaporation tube loading rack 23 and deliver the evaporation tube 6 to the first support frame 21 .

[0104] In this embodiment, the evaporation tube loading device 2 further includes an evaporation tube loading rack 23 and a third driving mechanism 27. The evaporation tube loading rack 23 is used to carry the evaporation tubes 6 to be processed and not yet placed on the first support rack 21 and the second support rack 22. The third driving mechanism 27 is used to drive the first support rack 21 and the second support rack 22 to move forward and backward synchronously. The third driving mechanism 27 can be a cylinder, an oil cylinder, a motor screw, etc.

[0105] In order to enable the second support frame 22 to pick up the evaporation tube 6 from the evaporation tube carrier 22, the following design is adopted:

[0106] The tail end 22b of the second support frame 22 extends out of the tail end 21b of the first support frame 21 and has at least one tube limiting groove 222. The evaporation tube loading rack 23 is disposed at the rear side of the tail end 22b of the second support frame 22.

[0107] The evaporation tube carrier 23 includes two side bracket plates 231 arranged side by side, and the tube columns 62 at both ends of the evaporation tube 6 fall on the top surface of the side bracket plates 231. The distance between the two side bracket plates 231 is greater than the width of the second support frame 22.

[0108] In normal state, the top surface of the second support frame 22 is slightly lower than the bottom surface of the evaporation tube carrier 23. When the second support frame 22 moves backward for a certain distance, it reaches the bottom of the evaporation tube carrier 23, and then can extend upward from the bottom of the two side support plates 231 into the evaporation tube carrier 23, so as to position the tube body 61 by using the tube body limiting groove 222, and lift the evaporation tube 6 from the evaporation tube carrier 23, and then move the second support frame 22 forward to pick up the evaporation tube 6 on the evaporation tube carrier 23 onto the second support frame 22.

[0109] The third driving mechanism 27 is connected to the first supporting frame 21 and the second supporting frame 22 and is used for driving the first supporting frame 21 and the second supporting frame 22 to move forward and backward synchronously.

[0110] After the evaporation tube assembly at the head end of the first support frame 21 is removed, the second support frame 22 picks up the evaporation tube 6 from the evaporation tube carrier 23. Specifically, the third driving mechanism 27 first drives the first support frame 21 and the second support frame 22 to move backward synchronously until the second support frame 22 reaches the bottom of the evaporation tube carrier 23. The first driving mechanism 25 starts to work, so that the second support frame 22 moves upward, the tube body limiting groove 222 at the tail end of the second support frame 22 positions the tube body 61, and lifts the evaporation tube 6 from the evaporation tube carrier 23, and the remaining tube body limiting grooves 222 on the second support frame 22 simultaneously lift the evaporation tube 6 on the first support frame 21. The second driving mechanism 26 starts to work, driving the second support frame 22 to move toward the head end side, so that the evaporation tube 6 on the first support frame 21 is gradually transferred to the head end by one station, and the evaporation tube 6 picked up by the tail end of the second support frame 22 is transmitted to the tail end of the first support frame 21.

[0111] In one embodiment, if Figure 9-13As shown, the top surface 232 of the side support plate 231 gradually tilts downward from the tail end to the head end, and a baffle 233 is provided at the head end of the side support plate 231. The evaporation tube 6 falling on the evaporation tube carrier 23 has its tube columns 62 at both ends blocked by the baffle 233.

[0112] In one embodiment, if Figure 9-11 As shown, a base is provided at the bottom of one side of the main support 11, and the base is located below the mounting seat 28, and the mounting seat 28 is connected to the first support frame 22 through a connecting frame 281. The third driving mechanism 27 is provided between the base and the mounting seat 28, and under the action of the third driving mechanism 27, the mounting seat 28 can be driven to move forward and backward, and the mounting seat 28 drives the first support frame 22 to move forward and backward through the connecting frame 281, and at the same time, the mounting seat 28 drives the connecting seat 29 and the second support frame 23 to move forward and backward together.

[0113] In one embodiment, if Figure 2-3 and Fig.14 As shown, an inclined unloading plate 24 for unloading the evaporation tube assembly is provided on the head end side of the first support frame 21 on the frame 1, and the inclined unloading plate 24 has an unloading plate notch 241 for the second support frame 22 to enter, and the width of the unloading plate notch 241 along the front-to-back direction is smaller than the length of the tube body 61 of the evaporation tube 6.

[0114] In this embodiment, an inclined unloading plate 24 is provided on the frame 1 for unloading the evaporation tube assembly. The tail end of the inclined unloading plate 24 is connected to the main support 11 and is located at the head end side of the first support frame 21. In the direction from the tail end to the head end, the main part of the inclined unloading plate 24 gradually tilts downward. A unloading plate notch 241 is provided on the tail end side of the inclined unloading plate 24. In the front-to-back direction, the width of the unloading plate notch 241 is slightly larger than the width of the second support frame 22 and smaller than the length of the tube body 61. The second support frame 22 can enter the unloading plate notch 241. When the second support frame 22 moves from top to bottom, the tube body 61 of the falling evaporation tube assembly will be blocked by the unloading plate notch 241, so that it falls on the inclined unloading plate 24 and rolls along the inclined unloading plate 24 to the receiving trough at the tail end.

[0115] When the evaporation tube assembly needs to be removed from the head end of the first support frame 21, the second support frame 22 is raised, and the head end of the second support frame 22 raises the evaporation tube assembly at the head end of the first support frame 21, and at the same time, the evaporation tube 6 on the first support frame 21 is raised. Then the second support frame 22 is moved toward the tail end by a preset distance, which is equal to the distance between two adjacent pipe column limiting grooves 212. At this time, the head end of the second support frame 22 is above the notch 241 of the unloading plate, and the first support frame 21 drives the evaporation tube 6 to move one station toward the head end side. Then the second support frame 22 is moved downward, and the head end of the second support frame 22 falls along the notch 241 of the unloading plate. The tube body 61 of the evaporation tube assembly will be blocked by the notch 241 of the unloading plate, and thus falls on the inclined unloading plate 24 and rolls along the inclined unloading plate 24 to the receiving groove at the tail end. At the same time, the evaporation tube 6 on the second support frame 22 falls on the first support frame 21, completing an automatic unloading of the evaporation tube assembly and automatic transfer of the evaporation tube 6 to the head end.

[0116] In one embodiment, if Figure 2-3 As shown, the discharge plate notch 241 is aligned with the evaporation tube carrier 23 .

[0117] When the head end 22 a of the second support frame 22 tilts toward the unloading plate 24 to unload an evaporation tube assembly, the tail end 22 b of the second support frame 22 picks up an evaporation tube 6 from the evaporation tube loading rack 23 .

[0118] In this embodiment, the unloading plate notch 241 is located at the rear side of the head end 22a of the second support frame 22. When the second support frame 22 unloads an evaporation tube assembly, the second support frame 22 is used to pick up an evaporation tube 6 and also drives the evaporation tube 6 to move one station toward the head end.

[0119] Specifically, the third driving mechanism 27 is first used to drive the first support frame 21 and the second support frame 22 to move backward to their positions. The first driving mechanism 25 is then used to lift the second support frame 22, and the tail end 22b of the second support frame 22 picks up an evaporation tube 6, and the head end 22a of the second support frame 22 lifts up the evaporation tube assembly, and the second support frame 22 simultaneously lifts the evaporation tube 6 on the first support frame 21. The second driving mechanism 26 is used to move the second support frame 22 toward the head end side by a preset distance. The first driving mechanism 25 is used to drive the second support frame 22 to descend and reset, and the picked-up evaporation tube 6 falls on the first support frame 21, and the evaporation tube assembly falls on the inclined unloading plate 24. The second driving mechanism 26 drives the second support frame 22 to move toward the tail end and reset, and the third driving mechanism 27 drives the first support frame 21 and the second support frame 22 to move forward and reset.

[0120] In one embodiment, if Figure 9-13 As shown, the first support frame 21 includes two first support plates 211 arranged at intervals, and the pipe column limiting grooves 212 on the two first support plates 211 are arranged in pairs.

[0121] The second support frame 22 includes two second support plates 221 arranged at intervals. The two second support plates 221 are located between the two first support plates 211 . The tube limiting grooves 222 on the two second support plates 221 are arranged in pairs.

[0122] In this embodiment, the first support frame 21 includes two first support plates 211 arranged side by side, and the top surface of each first support plate 211 is respectively provided with a plurality of tube column limiting grooves 212. The tube column limiting grooves 212 on the two first support plates 211 are arranged in pairs so as to limit the tube columns 62 at both ends of the evaporation tube 6.

[0123] The second support frame 22 includes two second support plates 221 arranged side by side, and in the front-to-back direction, the two second support plates 221 are located between the two first support plates 211. A plurality of tube body limiting grooves 222 are respectively provided on the top surface of each second support plate 221, and the tube body limiting grooves 222 on the two second support plates 221 are arranged in pairs to support the tube body 61 of the evaporation tube 6.

[0124] In one embodiment, if Figure 1-3 and Figure 16-18 As shown, the frame 1 is provided with an evaporator tube pressing mechanism 4 , and the evaporator tube pressing mechanism 4 is located in front of the hose calibration tube 34 .

[0125] When the rubber hose 7 and the evaporation tube 6 are in a press-fit state, the evaporation tube pressing mechanism 4 presses the evaporation tube 6 so as to press the rubber hose 7 onto the tube column 62 of the evaporation tube 6 .

[0126] The evaporation tube pressing mechanism 4 can be a pressing block, a pressing plate, etc.

[0127] In one embodiment, if Figure 1-3 and Figure 16-18 As shown, the evaporator tube pressing mechanism 4 includes a mounting bracket 41 , a swing arm 42 , a connecting frame 43 and a linear drive module 44 .

[0128] The mounting bracket 41 is connected to the main bracket 11 , and a guide slot 411 extending forward and backward and a mounting hole 412 are provided on the side plate of the mounting bracket 41 . The mounting hole 412 is located above the guide slot 41 .

[0129] The connecting frame 43 is located at the rear side of the mounting bracket 41, and a connecting shaft 431 is disposed at its front end. The connecting shaft 431 is assembled in the guide groove 411 and can slide along the guide groove 411. The linear drive module 44 is connected to the connecting frame 43 and is used to drive the connecting frame 43 to move forward and backward.

[0130] The rear end of the swing arm 42 has an extension arm 421 extending obliquely downward, and a linear slide groove 422 is provided on the extension arm 421. The connecting shaft 431 passes through the linear slide groove 422 and can slide in the linear slide groove 422. The front end of the swing arm 42 has a pressing block 424 for pressing the tube body 61. The rear end of the swing arm 42 is provided with a rotating shaft 424, and the rotating shaft 424 is assembled with the mounting hole 412.

[0131] When the linear drive module 44 drives the connecting frame 43 to move forward, the swing arm 42 is prompted to rotate forward, and the front end of the swing arm 42 drives the pressing block 424 to move upward and away from the tube body 61 .

[0132] When the linear drive module 44 drives the connecting frame 43 to move backward, the swing arm 42 is prompted to rotate in the opposite direction, and the front end of the swing arm 42 drives the pressing block 424 to move downward and press the tube body 61 .

[0133] In one embodiment, if Figure 1-3 and Fig.15 As shown, a lubricating mechanism 5 is provided on the frame 1. Before the evaporating tube 6 reaches the pressing station, a lubricating liquid is applied to the tube column 62 of the evaporating tube 6 through the lubricating mechanism 5 so that the rubber hose 7 can be sleeved on the tube column 62. The lubricating liquid can be water.

[0134] The lubrication mechanism 5 can be a brush, a spray gun, etc.

[0135] In one embodiment, if Figure 1-3 and Fig.15 As shown, the lubrication mechanism 5 includes a lubrication liquid tank 51 , a turntable 52 and a turntable driving mechanism arranged on the operating platform 12 .

[0136] A vertical support 53 is connected to the turntable 52 , a cross bar 54 is connected to the top of the vertical support 53 , a downwardly extending suspension arm 55 is connected to one end of the cross bar 54 , and a sponge body 551 is provided at the lower end of the suspension arm 55 .

[0137] As required, the boom 55 and the vertical support 53 can be configured as telescopic mechanisms, which can drive the sponge body 551 to rise and fall.

[0138] The turntable drive mechanism can adopt a motor or a cylinder drive assembly.

[0139] The turntable driving mechanism drives the turntable 52 to rotate, thereby driving the sponge 551 to reach the top opening of the lubricating liquid tank 51, and then descends to absorb the lubricating liquid, and then rises to a specified height. Finally, the turntable driving mechanism drives the sponge 551 to the evaporating tube feeding device 2, and it will touch the sponge 551 after passing through the tube column 62, so that the lubricating liquid adheres to the tube column 62.

[0140] In one embodiment, if Fig.15As shown, the cylinder drive assembly includes a cylinder 56, a sliding seat 57 disposed on the operating platform 12, and a rack 58 disposed on one side of the sliding seat 57. The outer peripheral surface of the turntable 52 is provided with a circle of teeth, which is a gear. The rack 58 is meshed with the turntable 52 for transmission.

[0141] As needed, the above technical solutions can be combined to achieve the best technical effect.

[0142] The above are only the principles and preferred embodiments of the present invention. It should be noted that, for those skilled in the art, several other modifications can be made based on the principles of the present invention, which should also be considered as the protection scope of the present invention.

Claims

1. An automatic press-fitting device for press-fitting a rubber hose and an evaporator tube of an automobile air conditioner to form an evaporator tube assembly; It is characterized in that The automatic press-fitting equipment comprises a frame and an evaporation tube feeding device and a hose feeding device arranged on the frame; The hose feeding device comprises a hose material box with a hose discharge port, a hose distribution plate pivotably arranged in the hose material box, a distribution plate driving mechanism for driving the hose distribution plate to rotate, a hose calibration tube arranged below the hose discharge port and connected to each other, and a push rod mechanism arranged at the rear side of the hose calibration tube; A plurality of hose containing grooves extending in the axial direction are arranged at intervals on the circumferential surface of the hose distributing plate, and the hose calibration tube is arranged parallel to the axial direction of the hose distributing plate; The evaporation tube feeding device is used to transport the evaporation tube to the front side of the hose calibration tube; The push rod of the push rod mechanism extends from the rear end of the hose calibration tube into the hose calibration tube and is used to press and assemble the hose in the hose calibration tube and the evaporation tube together.

2. The automatic press-fitting equipment according to claim 1, characterized in that: The hose material box includes a funnel-shaped material box body and a sleeve transition portion arranged below the material box body and arranged horizontally, the hose discharge port is arranged at the bottom of the sleeve transition portion, and the top of the sleeve transition portion has a sleeve opening portion connected to the material box body; The hose material distribution plate is assembled in the sleeve transition portion and is coaxially arranged with the sleeve transition portion, and the gap between the surface of the hose material distribution plate and the inner surface of the sleeve transition portion is smaller than the diameter of the hose.

3. The automatic press-fitting equipment according to claim 2, characterized in that: Part of the hose material distribution tray is located in the material box body.

4. The automatic press-fitting equipment according to any one of claims 1 to 3, characterized in that: The evaporator tube loading device comprises a first support frame for supporting the tube columns at both ends of the evaporator tube, a second support frame provided on the inner side of the first support frame and for supporting the tube body of the evaporator tube, a first driving mechanism for driving the second support frame to move up and down, and a second driving mechanism for driving the second support frame to move along the extension direction of the first support frame; The extension direction of the first support frame is perpendicular to the hose calibration tube, and the head end of the first support frame is located at the front side of the hose calibration tube; The top surface of the first support frame is provided with a plurality of pipe column limiting grooves at intervals along the length direction, and the top surface of the second support frame is provided with a plurality of pipe body limiting grooves at intervals along the length direction; Under the action of the first driving mechanism and the second driving mechanism, the second support frame can be lifted and moved toward the hose calibration tube side, so as to move the evaporation tube on the first support frame toward the hose calibration tube side one by one.

5. The automatic press-fitting equipment according to claim 4, characterized in that: The tail end of the second support frame extends out from the tail end of the first support frame, and the tail end of the second support frame has at least one of the tube body limiting grooves; The evaporator tube loading device comprises an evaporator tube loading rack arranged at the rear side of the tail end of the second support frame and a third driving mechanism for driving the first support frame and the second support frame to move forward and backward synchronously; Under the joint action of the first driving mechanism, the second driving mechanism and the third driving mechanism, the second support frame can pick up the evaporation tube from the evaporation tube loading rack and send the evaporation tube to the first support frame.

6. The automatic press-fitting equipment according to claim 5, characterized in that: An inclined unloading plate for unloading the evaporation tube assembly is provided on the frame at the head end side of the first support frame, and the inclined unloading plate has a unloading plate notch for the second support frame to enter, and the width of the unloading plate notch along the front-to-back direction is smaller than the length of the tube body of the evaporation tube.

7. The automatic press-fitting equipment according to claim 6, characterized in that: The notch of the discharge plate is aligned with the evaporation tube carrier; When the head end of the second support frame unloads one evaporation tube assembly toward the inclined unloading plate, the tail end of the second support frame picks up one evaporation tube from the evaporation tube loading rack.

8. The automatic press-fitting equipment according to claim 4, characterized in that: The first support frame comprises two first support plates arranged at intervals, and the pipe column limiting grooves on the two first support plates are arranged in pairs; The second support frame includes two second support plates arranged at intervals, the two second support plates are located between the two first support plates, and the tube body limiting grooves on the two second support plates are arranged in pairs.

9. The automatic press-fitting equipment according to any one of claims 1 to 3, characterized in that: The frame is provided with an evaporation tube pressing mechanism, and the evaporation tube pressing mechanism is located in front of the hose calibration tube; When the rubber hose and the evaporator tube are in a press-fit state, the evaporator tube pressing mechanism presses the evaporator tube.

10. The automatic press-fitting equipment according to any one of claims 1 to 3, characterized in that: The frame is provided with a lubricating mechanism, and before the evaporating tube reaches the pressing station, the lubricating liquid is applied to the tube column of the evaporating tube through the lubricating mechanism.

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