CN215845374U - Fin evaporator processing equipment in duplex position - Google Patents

Abstract

The utility model discloses double-station fin evaporator processing equipment which comprises a rack and a copper pipe, wherein a material taking device, a tube expanding device, a tube clamping device and at least one group of fin arranging devices for fixing fins are respectively arranged on the rack; the material taking device is arranged on two sides of the rack, and at least one group of fin arranging devices are movably arranged on the lower side of the material taking device and move back and forth between the rack and the material taking device; the fin arranging and expanding process is carried out on the same equipment, the automation degree is high, the working efficiency is higher, the fin arranging and expanding device can be simultaneously suitable for fins and copper pipes of different types or sizes to carry out the fin arranging and expanding operation, and the occupied area of the equipment is relatively small.

Description

Fin evaporator processing equipment in duplex position

Technical Field

The utility model relates to the technical field of fin evaporator production, in particular to double-station fin evaporator processing equipment.

Background

The finned evaporator is widely applied to refrigeration equipment such as refrigerators, freezers and air conditioners in the refrigeration industry, and most of the finned evaporators used for the refrigerators and the freezers are pull-expansion finned evaporators. The traditional production process of the expansion type fin evaporator comprises the following steps: the method comprises the steps of manual or equipment swing sheet, core rod penetration, copper pipe penetration, expansion head installation, pressing, clamping and locking, and then expansion. The production process is complicated, each process is manually operated by personnel, the labor intensity of the personnel is high, the production efficiency of products is low, and the consistency of the product quality cannot be ensured in large-batch continuous production.

SUMMERY OF THE UTILITY MODEL

The present invention solves the problems of the related art at least to some extent, and for this reason, the present invention proposes a solution to the deficiencies of the related art.

The above purpose is realized by the following technical scheme:

a double-station fin evaporator processing device comprises a rack and a copper pipe, wherein a material taking device, a tube expanding device, a tube clamping device and at least one group of fin arranging devices for fixing fins are respectively arranged on the rack, the material taking device places the fins on the fin arranging devices one by one, and the arranged fins are subjected to tube placing and expanding procedures through the tube expanding device and the tube clamping device, so that the fin evaporator is processed and formed; the material taking device is arranged on two sides of the rack, at least one group of fin arranging devices is movably arranged on the lower side of the material taking device and moves back and forth between the rack and the material taking device, the tube expanding device is arranged at the front end part of the rack, and the tube clamping device is arranged at the rear end part of the rack.

In some embodiments, the fin arranging devices are two groups, the material taking devices are also two groups and are respectively arranged corresponding to the fin arranging devices, and the two groups of fin arranging devices alternately enter the rack to perform tube placing and expanding procedures.

In some embodiments, the fin arranging device comprises a die carrier capable of moving back and forth, a pin arranging die capable of moving up and down and a panel capable of moving horizontally, the die carrier moves back and forth between the frame and the material taking device, the pin arranging die and the panel are arranged on the die carrier, the panel is arranged above the pin arranging die, an ejector pin of the pin arranging die vertically penetrates through the panel, and an ejector pin of the pin arranging die ascends and descends on the panel.

In some embodiments, the piece arranging needle die comprises a bottom plate, a plurality of groups of first thimbles and a plurality of groups of second thimbles, the first thimbles are adjacent to the first thimbles, the second thimbles are adjacent to the second thimbles, the second thimbles are arranged between the first thimbles in an equidistance interval mode, the second thimbles are arranged between the first thimbles in a two-group mode, the first thimbles are staggered with the first thimbles, fin intervals for inserting fins are formed between the horizontal direction of the second thimbles, the fins are tightly inserted one by one and vertically in the fin intervals, and the first thimbles are arranged between the vertical direction of the second thimbles, so that the copper pipe intervals for the copper pipe to pass through are formed.

In some embodiments, the material taking device comprises a support, a bin, a servo motor, a screw rod, a vacuum chuck and a material taking cylinder, wherein the bin and the servo motor are fixed on the support, an output shaft of the servo motor is connected with the screw rod, the material taking cylinder is installed on a nut seat of the screw rod, the vacuum chuck is fixed on the output shaft of the material taking cylinder, the vacuum chuck is connected with an external vacuum generator through a pipeline, and the vacuum chuck absorbs fins placed in the bin and inserts the fins into the fin arranging device.

In some embodiments, the tube expansion device includes a tube expansion push rod set, a tube expansion push rod support for fixing the tube expansion push rod set, a driving source for driving the tube expansion push rod support to move in the direction of the tube clamping device, and a secondary flaring mechanism, the tube expansion push rod set is composed of a plurality of tube expansion push rods, the cross-sectional shape of the tube expansion push rod is the same as that of the copper tube, and the secondary flaring mechanism performs a flaring procedure on the tube opening of the copper tube after the tube expansion push rod set exits from the copper tube.

In some embodiments, the tube clamping device comprises a tube clamping and penetrating mechanism and a pressing mechanism for pressing the fins on the fin arranging device, the tube clamping and penetrating mechanism comprises a tube clamping and moving plate and clamping jaws, the clamping jaws are arranged at the end of the tube clamping and moving plate and are used for clamping and propping against the copper tube, and the copper tube completes a tube penetrating process on the fins under the action of the tube clamping and moving plate and the clamping jaws; the pressing mechanism comprises a pressing cylinder and a pressing plate, the pressing cylinder is arranged at the top of the rack, and the pressing plate is connected with an output shaft of the pressing cylinder and movably presses the fins on the fin arranging device.

Compared with the prior art, the utility model at least comprises the following beneficial effects:

the utility model has the following advantages:

firstly, the fin arranging devices at two stations operate simultaneously, which is equivalent to that two production lines work simultaneously, so that the utilization rate of the tube expanding device is improved, and the working efficiency is further improved;

secondly, the fin arranging and tube expanding processes are carried out on the same equipment, so that the labor is reduced, the automation degree is high, the working efficiency is higher, the flexibility is higher, the fin arranging and tube expanding operation can be simultaneously carried out on fins and copper tubes of different types or sizes, the service life is longer, the occupied area of the equipment is relatively smaller, and the monitoring is convenient;

thirdly, the utility model has reasonable design, can simultaneously complete the procedures of arranging sheets, penetrating pipes and expanding pipes, can simultaneously meet the requirement of multi-station arranging sheet expanding pipes, and has the advantages of high production efficiency and good product quality.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural diagram of the double-station fin arranging device.

FIG. 3 is a schematic diagram of the structure of the needle die and the panel of the present invention.

Fig. 4 is a schematic view of the top view of fig. 3.

Fig. 5 is a schematic view of the present invention with respect to a take-off device.

FIG. 6 is a schematic structural diagram of a pipe clamping and threading mechanism of the present invention.

Fig. 7 is a schematic diagram of the structure of the finished evaporator of the utility model.

Fig. 8 is a schematic structural view of the fin hidden in fig. 7.

The labels in the figure are: the device comprises a rack 1, a material taking device 2, a tube expanding device 3, a tube clamping device 4, fins 5, a fin sheet arranging device 6, copper tubes 7, a partition plate 8, a support 20, a bin 21, a servo motor 22, a screw rod 23, a vacuum chuck 24, a material taking cylinder 25, a tube expanding push rod group 30, a tube expanding push rod support 31, a driving source 32, a secondary flaring mechanism 33, a tube clamping and tube penetrating mechanism 40, a pressing mechanism 41, a die carrier 60, a sheet arranging needle die 61, a panel 62, a tube expanding station 100, a tube clamping moving plate 400, a clamping jaw 401, a pressing cylinder 410, a pressing plate 411, a bottom plate 610, a first ejector pin 611, a second ejector pin 612, a fin space 613 and a copper tube space 614.

Detailed Description

The present invention is illustrated by the following examples, but the present invention is not limited to these examples. Modifications to the embodiments of the utility model or equivalent substitutions of parts of technical features without departing from the spirit of the utility model are intended to be covered by the scope of the claims of the utility model.

As shown in fig. 1, the double-station fin evaporator processing equipment comprises a control system (not shown in the figure), a frame 1 and a copper pipe 7, wherein a material taking device 2, a tube expanding device 3, a tube clamping device 4 and at least one group of fin sheet arranging devices 6 for fixing fins 5 are respectively arranged on the frame 1, and the material taking device 2, the tube expanding device 3, the tube clamping device 4 and the fin sheet arranging devices 6 are all controlled by the control system, so that the operation is convenient. The control system is a single chip microcomputer and a display screen, and the control system is understood by a person skilled in the art. The tube expanding station 100 is arranged in the frame 1, when the fin evaporator works, the fins 5 are placed on the fin arranging device 6 one by the material taking device 2, the fins 5 are arranged on the fin arranging device 6 orderly and at equal intervals under the action of the fin arranging device 6, the fin arranging device 6 moves to the tube expanding station 100, and the arranged fins 5 are subjected to tube placing and expanding procedures through the tube expanding device 3 and the tube clamping device 4, so that the processing and forming of the fin evaporator are realized. In the whole process, the fin arranging device 6 operates simultaneously through at least one station, which is equivalent to that two production lines work simultaneously, so that the utilization rate of the whole equipment is improved, and the working efficiency is further improved. In addition, fin row piece, expand the pipe process and go on same equipment, reduce manpower, degree of automation is high, and work efficiency is higher, and the flexibility is higher, can be suitable for fin and copper pipe of different models or size to arrange the piece and expand the pipe operation simultaneously, and life is longer, and equipment area is less relatively, the control of being convenient for.

As shown in fig. 1, the material taking devices 2 are disposed on two sides of the frame 1, in this embodiment, the fin row-fin devices 6 are two groups, the material taking devices 2 are also two groups and respectively disposed corresponding to the fin row-fin devices 6, the two groups of fin row-fin devices 6 alternately enter the frame 1 to perform tube placing and tube expanding processes, and tube penetrating and tube expanding can be alternately performed, so that production without shutdown is realized. The two groups of fin arranging devices 6 are movably arranged on the lower side of the material taking device 2 and move back and forth between the tube expanding station 100 of the rack 1 and the material taking device 2, the tube expanding device 3 is arranged at the front end part of the rack 1, and the tube clamping device 4 is arranged at the rear end part of the rack 1.

Further, as shown in fig. 2, fig. 3, fig. 4, fig. 7 and fig. 8, the fin arranging device 6 includes a mold frame 60 capable of moving back and forth, a pin arranging mold 61 capable of moving up and down, and a panel 62 capable of moving horizontally, the mold frame 60 moves back and forth between the frame 1 and the material taking device 2, the pin arranging mold 61 and the panel 62 are disposed on the mold frame 60, the panel 62 is disposed above the pin arranging mold 61, and the ejector pins of the pin arranging mold 61 penetrate the panel 62 up and down, and the ejector pins of the pin arranging mold 61 are lifted up and down on the panel 62. When the fins 5 are to be placed, the pin header 61 is moved upward by a cylinder (not shown) or a motor and protrudes from the panel 62 to provide a stable sorting interval for the fins 5. After the tube penetration and tube expansion of the fin 5 are completed, the fin arranging needle die 61 is withdrawn from the lower part of the panel 62, so that the formed evaporator can be conveniently taken out of the panel 62. Since the present invention is directed to large evaporator plants, a baffle 8 is added to the panel 62 before the fins 5 are piped to stabilize the overall evaporator, as will be appreciated by those skilled in the art.

Furthermore, the sheet pin arranging mold 61 includes a bottom plate 610, a plurality of groups of first pins 611 and a plurality of groups of second pins 612, the first pins 611 and the adjacent first pins 611 are equidistantly spaced, the second pins 612 and the adjacent second pins 612 are equidistantly spaced, and the second pins 612 are disposed between the two groups of first pins 611 and are staggered from the first pins 611. With such a design, a fin space 613 for inserting fins is formed between the first thimble 611 and the second thimble 612 in the transverse direction, and the fins 5 are tightly inserted into the fin space 613 one by one in the vertical direction, so that the space between the fins 5 can be ensured, the fins 5 are not attached to each other, and the efficiency of the evaporator is prevented from being affected. A copper tube spacing 614 for the copper tube 7 to pass through is formed between the first thimble 611 and the second thimble 612 in the vertical direction, and correspondingly, a plurality of through holes are formed in the fin 5, and the through holes are used for the copper tube 7 to pass through and are arranged in a staggered manner with the first thimble 611 and the second thimble 612, so that the fin 5 can be limited at an appointed position after the copper tube 7 expands, the displacement of the fin 5 in the tube expanding process of the copper tube 7 is reduced, and the stable distance between the fin 5 and the fin 5 is ensured, thereby improving the efficiency of the evaporator. The first thimble 611 and the second thimble 612 have the same structure, which should be understood by those skilled in the art. The piece arranging needle die 61 can realize inserting pieces in a guiding mode, and the problem that the inserting pieces cannot enter or be misaligned due to the twisting of the fins 5 is solved.

In this embodiment, as shown in fig. 5, the material taking device 2 includes a support 20, a bin 21, a servo motor 22, a screw rod 23, a vacuum chuck 24, and a material taking cylinder 25, the bin 21 and the servo motor 22 are both fixed on the support 20, an output shaft of the servo motor 22 is connected to the screw rod 23, the material taking cylinder 25 is installed on a nut seat of the screw rod 23, the vacuum chuck 24 is fixed on an output shaft of the material taking cylinder 25, the vacuum chuck 24 is connected to an external vacuum generator through a pipeline, and the vacuum chuck 24 sucks the fin 5 placed in the bin 21 and inserts the fin 5 into the fin arranging device 6. Under servo motor 22's the drive, lead screw 23 drives get material cylinder 25 and vacuum chuck 24 follows support 20 is the downstream, vacuum chuck 24 reach with when the corresponding position of feed bin 21, it releases to get the telescopic link of material cylinder 25, vacuum generator produces the vacuum, makes vacuum chuck 24 inhale tightly and place on the feed bin 21 fin 5, vacuum chuck 24 inhale tightly behind fin 5, get the telescopic link return of material cylinder 25, vacuum chuck 24 suction fin 5, servo motor 22 passes through lead screw 23 drives get material cylinder 25 and vacuum chuck 24 follows support 20 continues the downstream, will finally fin 5 inserts to be located the extracting device below in the clip mould 61 to accomplish the inserted sheet work. The piece arranging needle die 61 continuously moves forward under the action of the die carrier 60, so that the fins 5 can be orderly placed on the piece arranging needle die 61 one by the vacuum chuck 24, and insertion is realized. The position of the die carrier 60 can be controlled by a servo (not shown in the figure) to drive a screw rod (not shown in the figure), the accuracy of the servo and the screw rod is ensured, and the accuracy of the position of each part can be ensured in the process of inserting the sheet, so that the efficiency and the accuracy of the inserting sheet are improved. The stock bin 21 can be provided with a plurality of stock bins 21 can be stacked on top of each other, so that the vacuum chuck 24 can suck conveniently.

Further, as shown in fig. 1, the tube expansion device 3 includes a tube expansion push rod group 30, a tube expansion push rod support 31 for fixing the tube expansion push rod group 30, a driving source 32 for driving the tube expansion push rod support 31 to move towards the tube clamping device 4, and a secondary flaring mechanism 33, wherein the tube expansion push rod group 30 is composed of a plurality of tube expansion push rods, the shape of the cross section of the tube expansion push rod is the same as that of the copper tube 7, and the secondary flaring mechanism 33 performs a flaring procedure for the tube opening of the copper tube 7 after the tube expansion push rod group 30 exits from the copper tube 7, so that the copper tube 7 and the fins 5 are pressed into a whole, and the assembly and fixation of the copper tube 7 and the fins 5 is completed. The secondary flaring mechanism 33 includes a flaring die head (not shown in the figure) and a servo mechanism for driving the flaring die head to move, and the secondary flaring mechanism 33 is a conventional flaring technology and is not described in detail herein, which should be understood by those skilled in the art.

Further, as shown in fig. 1 and 6, the tube clamping device 4 includes a tube clamping and passing mechanism 40 and a pressing mechanism 41 for pressing the fins 5 on the fin arranging device 6, the tube clamping and passing mechanism 40 includes a tube clamping and moving plate 400 and a clamping jaw 401, the clamping jaw 401 is disposed at an end of the tube clamping and moving plate 400 and is used for clamping and propping the copper tube 7, so that the copper tube 7 can be pushed to be flush, meanwhile, the copper tube 7 can be propped against during tube expansion, the copper tube 7 is prevented from moving, the copper tube 7 can be prevented from being pulled away by the tube expansion pushing rod set 30 after the tube expansion, and the position of the copper tube 7 is ensured. The number of the clamping jaws 401 is several, but not limited to one, and a plurality of copper tubes 7 can be placed at the same time. The copper tube 7 completes the tube penetrating process of the fin 5 under the action of the tube clamping moving plate 400 and the clamping jaws 401. The pressing mechanism 41 comprises a pressing cylinder 410 and a pressing plate 411, the pressing cylinder 410 is arranged at the top of the rack 1, the pressing plate 411 is located above the tube expanding station 100, the pressing plate 411 is connected with an output shaft of the pressing cylinder 410 and movably presses the fins 5 located on the fin arranging device 6, so that the fins 5 are more orderly, and the fins 5 are more tightly connected with the copper tubes 7.

The working principle of the utility model is as follows:

the fins 5 are arranged on the stock bin 21 in sequence, the vacuum chuck 24 sucks the fins 5 vertically arranged on the stock bin 21, then the servo motor 22 and the screw 23 drive the vacuum chuck 24 which sucks the fins 5 to move downwards, the panel 62 of the partition plate 8 and the fin arranging needle die 61 slide to the position under the vacuum chuck 24 along a main line linear guide just horizontally under the action of a ball screw and a sliding motor, the fins 5 are inserted into the fin space 613 of the fin arranging needle die 61, the vacuum chuck 24 sucks the fins 5 and sucks the fins 5 to leave, meanwhile, the fin arranging needle die 61 is pushed forward along the sucking direction of the fins, and the next fin 5 is inserted to arrange the fins in the same mode. After the sheet arrangement is finished, one of the die carriers 60 moves into the tube expansion station 100, and as the sheet arrangement needle die 61 and the panel 62 are arranged on the die carrier 60, the sheet arrangement needle die 61 and the panel 62 enter the tube expansion station 100 along with the die carrier 60 to wait for tube penetration. After the plurality of copper tubes 7 are clamped by the tube clamping and penetrating mechanism 40 and sequentially penetrate through the fins 5, the pressing cylinder 410 pushes the pressing plate 411 to move downwards, so that the fins 5 in the tube expanding station 100 are pressed tightly, and tube expansion is waited. At this time, the driving source 32 is started, the tube expansion push rod group 30 moves towards the direction of the tube expansion station 100 under the action of the tube expansion push rod support 31 and the driving source 32, and the tube expansion push rod group 30 is pushed into the corresponding copper tube 7, so that tube expansion is realized. And after the copper pipe 7 expands, the fin 5 and the copper pipe 7 are pressed into a whole. After the tube expansion is finished, the driving source 32 reversely acts, and after the tube expansion push rod set 30 is withdrawn from the copper tube 7, the secondary flaring mechanism 33 flares the tube openings of the copper tube 7 in sequence. After the flaring is finished, the die carrier 60 of the group returns to the original position from the tube expansion station 100, the other group of the pin arranging dies 61 and the panel 62 which are provided with the fins 5 enter the tube expansion station 100 under the action of the die carrier 60, then the same tube expansion step is carried out, the alternate tube expansion without shutdown is realized, the tube expansion device 3 is fully utilized, and the working efficiency is improved.

What has been described above are merely some embodiments of the present invention. It will be apparent to those skilled in the art that various changes and modifications can be made without departing from the inventive concept thereof, and these changes and modifications can be made without departing from the spirit and scope of the utility model.

Claims (7)

1. The double-station fin evaporator processing equipment is characterized by comprising a rack (1) and a copper pipe (7), wherein a material taking device (2), a pipe expanding device (3), a pipe clamping device (4) and at least one group of fin arranging device (6) for fixing fins (5) are respectively arranged on the rack (1), the fins (5) are placed on the fin arranging device (6) one by the material taking device (2), and the arranged fins (5) are subjected to pipe placing and expanding procedures through the pipe expanding device (3) and the pipe clamping device (4), so that the fin evaporator is processed and formed; extracting device (2) are located the both sides of frame (1), at least a set of fin row piece device (6) are located with moving about extracting device (2) downside and frame (1) with round trip movement between extracting device (2), expand tube device (3) are located the front end portion of frame (1), press from both sides tub device (4) are located the rear end portion of frame (1).

2. The double-station fin evaporator processing equipment according to claim 1, wherein the number of the fin arranging devices (6) is two, the number of the material taking devices (2) is also two, the two material taking devices are respectively arranged corresponding to the fin arranging devices (6), and the two sets of the fin arranging devices (6) alternately enter the rack (1) to perform tube placing and tube expanding procedures.

3. The double-station fin evaporator processing equipment according to claim 2, wherein the fin arranging device (6) comprises a die frame (60) capable of moving back and forth, a pin arranging die (61) capable of moving up and down and a panel (62) capable of moving horizontally, the die frame (60) moves back and forth between the rack (1) and the material taking device (2), the pin arranging die (61) and the panel (62) are arranged on the die frame (60), the panel (62) is arranged above the pin arranging die (61), the ejector pins of the pin arranging die (61) vertically penetrate through the panel (62), and the ejector pins of the pin arranging die (61) lift on the panel (62).

4. The double-station fin evaporator processing equipment according to claim 3, wherein the fin arranging needle die (61) comprises a bottom plate (610), a plurality of groups of first ejector pins (611) and a plurality of groups of second ejector pins (612), the first ejector pins (611) and the adjacent first ejector pins (611) are arranged at equal intervals, the second ejector pins (612) and the adjacent second ejector pins (612) are arranged at equal intervals, the second ejector pins (612) are arranged between the two groups of first ejector pins (611) and are staggered with the first ejector pins (611), fin spaces (613) for inserting fins are formed between the first ejector pins (611) and the second ejector pins (612) in the transverse direction, the fins (5) are vertically inserted into the fin spaces (613) one by one, and copper tubes for the copper tubes (7) to pass through are formed between the first ejector pins (611) and the second ejector pins (612) in the vertical direction Distance (614).

5. The double-station fin evaporator processing equipment according to claim 1, the material taking device (2) comprises a bracket (20), a bin (21), a servo motor (22), a screw rod (23), a vacuum chuck (24) and a material taking cylinder (25), the stock bin (21) and the servo motor (22) are both fixed on the bracket (20), an output shaft of the servo motor (22) is connected with the screw rod (23), the material taking cylinder (25) is arranged on a nut seat of the screw rod (23), the vacuum chuck (24) is fixed on an output shaft of the material taking cylinder (25), vacuum chuck (24) are connected through the pipeline with external vacuum generator, vacuum chuck (24) absorb place in feed bin (21) fin (5) and with fin (5) insert to in fin row piece device (6).

6. The double-station fin evaporator processing equipment according to claim 1, wherein the tube expansion device (3) comprises a tube expansion push rod group (30), a tube expansion push rod support (31) for fixing the tube expansion push rod group (30), a driving source (32) for driving the tube expansion push rod support (31) to move towards the tube clamping device (4), and a secondary flaring mechanism (33), wherein the tube expansion push rod group (30) is composed of a plurality of tube expansion push rods, the cross section shapes of the tube expansion push rods are the same as those of the copper tube (7), and the secondary flaring mechanism (33) performs a flaring procedure on the tube opening of the copper tube (7) after the tube expansion push rod group (30) exits from the copper tube (7).

7. The double-station fin evaporator processing equipment according to claim 1, wherein the tube clamping device (4) comprises a tube clamping and penetrating mechanism (40) and a pressing mechanism (41) for pressing the fins (5) on the fin row device (6), the tube clamping and penetrating mechanism (40) comprises a tube clamping and moving plate (400) and clamping jaws (401), the clamping jaws (401) are arranged at the end of the tube clamping and moving plate (400) and are used for clamping and propping against the copper tube (7), and the copper tube (7) completes a tube penetrating procedure on the fins (5) under the action of the tube clamping and moving plate (400) and the clamping jaws (401); hold-down mechanism (41) are including pushing down cylinder (410) and clamp plate (411), pushing down cylinder (410) are located the top of frame (1), clamp plate (411) with the output shaft of pushing down cylinder (410) links to each other and the activity compresses tightly and is located on fin row piece device (6) fin (5).

Images