Double-tray type exchange device for discharging of winding machine and operation method of double-tray type exchange device

Abstract

The invention discloses a double-tray type exchange device for discharging of a winding machine and an operation method thereof.The double-tray type exchange device comprises a feeding rotating mechanism, two tray storage frames, a tray taking mechanism and a tray grabbing mechanism, the feeding rotating mechanism is installed on the left side of an n-shaped frame, the n-shaped frame is fixedly connected to a workbench, and the tray taking mechanism is installed on the left side of the n-shaped frame; the tray taking mechanism is installed on the tray taking rack and located on the right side of the tray storage frame, and two tray containing grooves capable of moving left and right are formed in the right side of the tray taking rack. The tray grabbing mechanism is installed on the n-shaped frame and can move left and right and grab or put trays into the tray grabbing and taking mechanism. According to the tray storage device, empty trays and trays filled with materials can be exchanged, the efficiency can be greatly improved, the labor intensity is reduced, the double-tray structure is adopted, the time for manually replacing the tray storage baskets is shortened, and the labor intensity is reduced.

Description

Technical Field

[0001] The invention relates to a double-tray type exchange device for material discharging of a winding machine and an operation method thereof, belonging to the technical field of automatic exchange of trays for material discharging of a winding machine. Background Art

[0002] After the winding machine has wound the ceramic inductor, it will discharge the material onto a placement plate on a tray. The existing operating method is to manually remove the empty tray from the tray basket and place it on the discharge placement position of the winding machine. After the placement plate on the tray is filled with material, the equipment automatically alarms and stops, and the full tray is manually removed and replaced with a new empty tray, resulting in low efficiency, time-consuming and labor-intensive. In addition, after the inventor used the tray changing device, it was found that after the winding machine is full of material, the operator needs to replace the tray storage basket as soon as possible, which is time-consuming and labor-intensive. Summary of the invention

[0003] The technical problem to be solved by the present invention is to provide a double-tray exchange device for discharging materials in a winding machine and an operation method thereof, so as to solve the problems existing in the above-mentioned prior art.

[0004] The technical solution adopted by the present invention is: a double-pallet exchange device for winding machine discharging, including a feeding rotating mechanism, a pallet storage frame, a pallet picking mechanism and a pallet grasping mechanism. The feeding rotating mechanism is installed on the left side of the door frame, and the door frame is fixedly connected to the workbench. Two pallet storage frames are used, which are axially symmetrically arranged at the rotating structure of the feeding rotating mechanism. The pallet picking mechanism is installed on the pallet picking machine frame and is located on the right side of the pallet storage frame. Two pallet placement slots that can move left and right are provided on the right side of the pallet picking frame. The pallet picking mechanism can take out or put a pallet into or into an opposite pallet storage frame. The pallet grasping mechanism is installed on the door frame and can move left and right and grab or put a pallet into the grab pallet picking mechanism. The pallet grasping mechanism can place the pallet into or take it out of the pallet placement slot.

[0005] Furthermore, the above-mentioned feeding rotating mechanism includes an inverted L-shaped bracket plate and a vertical linear moving module, a vertical plate of the bracket plate is installed on a slider one on the front side of the vertical linear moving module, a horizontal plate of the bracket plate is rotatably connected to a rotating shaft, after the lower end of the rotating shaft extends out of the horizontal plate, the cantilever is fixedly connected to the center of the rotating disk, and the distance from the upper end surface of the rotating disk to the bottom end surface of the horizontal plate is greater than the maximum height of the tray storage frame, and the upper end of the rotating shaft extends out of the horizontal plate and is connected to a servo motor three, and the servo motor three is fixedly connected to the top of the bracket plate through a servo motor frame, and an axially symmetrically arranged inlay groove is provided on the upper side of the rotating disk, and the inlay groove can be embedded in the bottom of the tray storage frame for positioning.

[0006] Furthermore, the above-mentioned pallet storage frame includes a top plate, a bottom plate and a side plate. The left and right ends of the top plate and the bottom plate are respectively fixedly connected to two side plates. Two groups of card slots are arranged on the corresponding inner sides of the two side plates. The two groups of card slots can embed multiple pallets. A limiting platform is arranged on the left side of the two groups of card slots, and a handle is arranged on the top surface of the top plate.

[0007] Furthermore, the above-mentioned pallet picking mechanism includes a pallet temporary placement table and a left and right linear moving mechanism. The pallet temporary placement table is cantilevered and connected to the slider 2 of the left and right linear moving mechanism. The pallet temporary placement table can extend into the pallet storage frame to hold up the pallet and its front and rear width is smaller than the front and rear width of the pallet.

[0008] Furthermore, the above-mentioned pallet temporary storage table includes a base plate and a positioning table. The right end of the base plate is fixedly connected to the slider 2, the positioning table is fixedly connected to the top of the base plate and the left end surface is located on the left side of the slider 2, and the base plate is located on the left side of the positioning table and is provided with a plurality of left-right oriented strip through holes.

[0009] Furthermore, the above-mentioned left and right linear moving mechanism includes a cantilever pushing plate and a horizontal telescopic cylinder. The front end of the cantilever pushing plate is vertically fixedly connected to the slider 2, and the bottom of the rear end of the cantilever pushing plate is fixedly connected to a cylinder rod connecting seat. The cylinder rod of the horizontal telescopic cylinder is connected to the cylinder rod connecting seat, and the cylinder seat of the horizontal telescopic cylinder is fixedly connected to the cylinder seat frame. The cylinder seat frame is fixedly connected to the workbench, and the bottom plate is fixedly connected to the top of the cantilever pushing plate.

[0010] Furthermore, the above-mentioned pallet grabbing mechanism includes a pallet clamp, a pneumatic vertical linear motion mechanism and a grabbing horizontal linear motion mechanism, the pallet clamp is installed on the pneumatic vertical linear motion mechanism, and the pneumatic vertical linear motion mechanism is installed on the grabbing horizontal linear motion mechanism.

[0011] Furthermore, the above-mentioned pallet clamp adopts pneumatic fingers, and the clamping fingers at the bottom are set as symmetrical outward vertical bending structures. The base of the pallet clamp is fixedly connected to an L-shaped fixing plate, and the fixing plate is fixedly connected to the slide plate of the pneumatic vertical linear moving mechanism.

[0012] Furthermore, the pneumatic vertical linear motion mechanism adopts a rodless cylinder motion mechanism, and a travel switch is installed on one side of the pneumatic vertical linear motion mechanism.

[0013] An operating method of a double-tray exchange device for material discharging of a winding machine, the method comprising: firstly taking out a pallet from a pallet storage frame at the rear side, controlling the pallet temporary placement table to move to the left by a horizontal telescopic cylinder, cooperating with a vertical linear moving module to move up and down, entering under the designated pallet to be taken out, and then cooperating with the vertical linear moving module to move upward to hold up the pallet, controlling the horizontal telescopic cylinder to move the pallet temporary placement table to the right, taking out the pallet from the pallet storage frame, and then driving the pallet clamp to move to the left to the top of the pallet on the pallet temporary placement table by a grabbing horizontal linear moving mechanism, and then moving the pallet through the pneumatic vertical linear moving mechanism. Move the pallet clamp downward to the designated position and touch the travel switch to stop, control the pallet clamp to clamp the pallet on the pallet temporary storage table, move the pallet clamp upward through the pneumatic vertical linear motion mechanism, control the grabbing horizontal linear motion mechanism to move the pallet clamp to the right to the top of the pallet placement slot on the right, and the pneumatic vertical linear motion mechanism moves the pallet clamp downward to the pallet placement slot. The pallet clamp releases the pallet, places the pallet on the pallet placement slot on the right, and moves the pallet placement slot to the appropriate position for discharge and filling. The pneumatic vertical linear motion mechanism moves the pallet clamp upward; vertical linear motion module The pallet storage frame is driven to move upward by one grid, and the second pallet of the pallet storage frame moves to the pallet grabbing position. The pallet temporary placement table continues to grab the second pallet. After the pallet on the right pallet placement slot is fully loaded, the pallet clamp is controlled to place the second empty pallet grabbed on the left pallet placement slot, and the pallet clamp is controlled to take the full pallet from the right pallet placement slot and place it on the pallet temporary placement table. The pallet placement slot is moved to the appropriate position for discharge and filling. The vertical linear movement module drives the pallet storage frame to move downward to the first pallet storage position of the pallet storage frame and the pallet The height of the temporary storage table is consistent. The pallet temporary storage table moves to the left to place the fully loaded pallet in the first position of the pallet storage frame. The pallet temporary storage table is controlled to return to the initial position. The vertical linear movement module moves the third pallet of the pallet storage frame to the pallet grabbing position. The temporary storage table grabs the third pallet in the basket and performs the aforementioned reciprocating motion until the exchange of all empty pallets and fully loaded pallets is completed. After the rear pallet is taken out and exchanged, the rotating structure of the feeding rotating mechanism rotates 180°, and the front pallet storage frame symmetrical to the rear axis is rotated to the rear side, and the pallet is exchanged after material discharge.

[0014] Beneficial effects of the present invention: Compared with the prior art, the present invention can realize the exchange of empty pallets and fully loaded pallets, which can greatly improve efficiency, reduce labor intensity, and avoid the problem of low efficiency caused by downtime. Moreover, the use of a double-disc structure can reduce the time for manual replacement of pallet storage baskets, reduce labor intensity, and avoid short-term interruptions caused by the process of replacing pallet storage baskets. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the structure of the automatic tray exchange device for the winding machine; Figure 2 It is a schematic diagram of the feeding rotating mechanism structure; Figure 3 is a schematic diagram of the structure of a pallet storage frame; Figure 4 It is a schematic diagram of the tray clamp structure; Figure 5 It is a schematic diagram of the three-dimensional structure of the automatic pallet exchange device for winding machine discharging. DETAILED DESCRIPTION

[0016] The present invention is further described below in conjunction with the accompanying drawings and specific embodiments.

[0017] Example 1: Figure 1-5 As shown, a double-tray exchange device for winding machine discharging includes a feeding rotating mechanism 1, a tray storage frame 2, a tray picking mechanism 3 and a tray grabbing mechanism 4. The feeding rotating mechanism 1 is installed on the left side of a door frame 5, and the door frame 5 is fixedly connected to a workbench 6. Two tray storage frames 2 are used, which are axially symmetrically arranged at the rotating structure of the feeding rotating mechanism 1. The tray picking mechanism 3 is installed on a tray picking machine frame 7 and is located on the right side of the tray storage frame 2. Two tray placement slots 8 that can move left and right are provided on the right side of the tray picking machine frame 7. The pallet picking mechanism 3 can take out or put in a pallet 9 into a pallet storage frame 2 facing it. The pallet grabbing mechanism 4 is installed on the door frame 5 and can move left and right and grab or put in the pallet 9 into the pallet picking mechanism 3. The pallet grabbing mechanism 4 can place the pallet 9 into the pallet placement groove 8 or take it out. The pallet placement groove 8 is the pallet placement groove at the existing winding machine discharge location and has not been improved. Under the action of the motor-driven lead screw nut pair, the pallet placement groove can move left and right along the slide rail to cooperate with the pallet clamp to grab and place the pallet.

[0018] The feeding rotating mechanism 1 includes an inverted L-shaped bracket plate 101 and a vertical linear moving module 102. A vertical plate of the bracket plate 101 is installed on a slider 1 on the front side of the vertical linear moving module 102. The bracket plate 101 is a horizontal plate that is rotatably connected to a rotating shaft 106. The lower end of the rotating shaft 106 extends out of the horizontal plate and then the cantilever is fixedly connected to the center of the rotating disk 105. The distance from the upper end surface of the rotating disk 105 to the bottom end surface of the horizontal plate is greater than the maximum height of the tray storage frame 2. The upper end of the rotating shaft 106 extends out of the horizontal plate and then connects to the servo drive. Motor three 107, servo motor three 107 is fixedly connected to the top of the bracket plate 101 through a servo motor frame 108, and an axisymmetrically arranged inlay groove 109 is provided on the upper side of the rotating disk 105. The inlay groove 109 can be embedded in the bottom of the tray storage frame 2 for positioning. The servo motor three drives the rotating shaft to rotate, thereby realizing a 180° rotation of the rotating disk, realizing the position change of the axisymmetrically arranged tray storage basket, and facilitating the next round of tray exchange. In addition, the vertical linear moving module 102 moves up and down, and the positioning is accurate and reliable.

[0019] The vertical linear moving module 102 is driven by a servo motor 103, and the servo motor 103 is arranged on the top of the vertical linear moving module 102. The bracket plate 101 is lifted and lowered after being decelerated by a transmission 104. The movement is precise and stable. The frame structure of the bracket plate is lighter in weight. A weight reduction setting can be achieved when a pallet storage frame (pallet basket) can be stored, which is more conducive to lifting control and reduces energy consumption.

[0020] In order to achieve the light weight of the pallet storage frame, the pallet storage frame 2 includes a top plate 201, a bottom plate 202 and a side plate 203. The left and right ends of the top plate 201 and the bottom plate 202 are respectively fixedly connected to the two side plates 203. Two groups of card slots 204 are provided on the corresponding inner sides of the two side plates 203. The two groups of card slots 204 can embed multiple pallets 9. A limiting platform 205 is provided on the left side of the two groups of card slots 204. A handle 206 is provided on the top surface of the top plate 201. The setting of the limiting platform can realize the rapid positioning of the pallet placement and can cooperate with the pallet limitation during the pushing process of the pallet temporary placement platform to avoid the displacement of the pallet caused by pushing, and then the placement position on the pallet temporary placement platform is inaccurate. Two groups of card slots are provided, the card connection is stable and reliable, and the upper and lower distribution arrangements are convenient for taking and placing the pallet temporary placement platform. The overall frame structure is light in weight and easy to lift and lower.

[0021] Among them, the pallet picking mechanism 3 includes a pallet temporary placement table 301 and a left and right linear moving mechanism 302. The pallet temporary placement table 301 is cantilevered and connected to the slider 2 of the left and right linear moving mechanism 302. The pallet temporary placement table 301 can be extended into the pallet storage frame 2 to hold up the pallet 9 and the front and rear width is smaller than the front and rear width of the pallet 9. Through the pallet temporary placement table, the left and right linear moving mechanism 302 is controlled to move left and right, and in conjunction with the lifting of the pallet, it can be extended into the pallet storage frame to retrieve the pallet, and the retrieval is convenient and fast.

[0022] In order to simplify the structure of the tray temporary placement table, the tray temporary placement table 301 includes a base plate 303 and a positioning table 304. The right end of the base plate 303 is fixedly connected to the slider 2, the positioning table 304 is fixedly connected to the top of the base plate 303 and the left end face is located on the left side of the slider 2, and the base plate 303 is located on the left side of the positioning table 304. A plurality of left- and right-oriented strip through holes 305 are arranged. The strip through holes can increase the effective contact surface and improve the placement stability. The positioning table is used for positioning. During the process of feeding the base plate into the tray, the positioning table can be brought into contact with the right end of the tray for positioning, thereby achieving precise placement of the tray.

[0023] Among them, the left and right linear moving mechanism 302 includes a cantilever pushing plate 306 and a horizontal telescopic cylinder 307. The front end of the cantilever pushing plate 306 is vertically fixedly connected to the slider 2, and the bottom of the rear end of the cantilever pushing plate 306 is fixedly connected to a cylinder rod connecting seat 308. The cylinder rod of the horizontal telescopic cylinder 307 is connected to the cylinder rod connecting seat 308, and the cylinder seat of the horizontal telescopic cylinder 307 is fixedly connected to the cylinder seat frame. The cylinder seat frame is fixedly connected to the workbench 6, and the bottom plate 303 is fixedly connected to the top of the cantilever pushing plate 306. The power is led to the rear side through the cantilever pushing plate, the structure is simplified, the occupied space is reduced, and the directional movement of the cantilever pushing plate can be realized. The horizontal telescopic cylinder 307 can also be replaced by an electric push rod.

[0024] Among them, the pallet grabbing mechanism 4 includes a pallet clamp 401, a pneumatic vertical linear motion mechanism 402 and a grabbing horizontal linear motion mechanism 403. The pallet clamp 401 is installed on the pneumatic vertical linear motion mechanism 402, and the pneumatic vertical linear motion mechanism 402 is installed on the grabbing horizontal linear motion mechanism 403. After the pallet is clamped by the pallet clamp, the pneumatic vertical linear motion mechanism 402 and the grabbing horizontal linear motion mechanism 403 are used to realize horizontal lateral movement and vertical movement, so as to accurately control the pallet clamp to move to the pallet temporary storage table and the placement slot; the grabbing horizontal linear motion mechanism 403 includes a horizontal sliding plate 407, a slider guide pair 408, a screw nut pair 409 and a servo motor 410. The horizontal sliding plate 407 is a vertical strip structure, which is connected to the top of the door frame 5 through a slider guide pair 408 near the rear side of the upper end. A nut seat is fixedly connected to the rear side of the horizontal sliding plate 407 located above the slider guide pair 408. The nut seat is fixedly connected to the nut of the screw nut pair 409. Both ends of the screw of the screw nut pair 409 are connected to the door frame 5 through bearing seats, and the right end of the screw extends out of the bearing seat and is connected to the transmission 2 411. The transmission 2 411 is connected to the servo motor 2 410 through a synchronous belt mechanism 412. The transmission 2 411 is installed on the door frame 5. The servo motor 2 410 is installed on the top of the transmission 2 411. The horizontal sliding plate is driven to move left and right by the servo motor 2 to achieve precise left and right positioning of the pallet clamp.

[0025] In order to simplify the structure, the pallet clamp 401 adopts pneumatic fingers, and the clamping fingers at the bottom are arranged as a symmetrical outward vertical bending structure. The base of the pallet clamp 401 is fixedly connected to the L-shaped fixed plate 404, and the fixed plate 404 is fixedly connected to the slide plate of the pneumatic vertical linear moving mechanism 402. The vertically bent clamping fingers can accommodate wider pallets for clamping.

[0026] In order to simplify the structure, the pneumatic vertical linear moving mechanism 402 adopts a rodless cylinder moving mechanism. In order to achieve safety limit, a travel switch 405 is installed on one side of the pneumatic vertical linear moving mechanism 402. When the travel switch 405 touches the stop block 406 installed on the side of the pneumatic vertical linear moving mechanism, it automatically stops moving, thereby achieving precise positioning of the downward movement of the pallet clamp.

[0027] Embodiment 2: An operating method of a double-tray exchange device for winding machine discharging, the method is: first, take out the pallet in the pallet storage frame on the rear side, control the pallet temporary placement table to move to the left by the horizontal telescopic cylinder, cooperate with the vertical linear movement module to move up and down, enter under the designated pallet to be taken out, and then cooperate with the vertical linear movement module to move upward to hold up the pallet, control the horizontal telescopic cylinder to move the pallet temporary placement table to the right, take out the pallet from the pallet storage frame, and then use the grabbing horizontal linear movement mechanism to drive the pallet clamp to move to the left to the top of the pallet on the pallet temporary placement table, and then move the pallet to the top of the pallet on the pallet temporary placement table by the pneumatic vertical linear movement module. The moving mechanism moves the pallet clamp downward, moves to the specified position and touches the travel switch to stop, controls the pallet clamp to clamp the pallet on the pallet temporary storage table, moves the pallet clamp upward through the pneumatic vertical linear moving mechanism, controls the grabbing horizontal linear moving mechanism to move the pallet clamp to the right to above the pallet placement slot on the right, and the pneumatic vertical linear moving mechanism moves the pallet clamp downward to the pallet placement slot. The pallet clamp releases the pallet, places the pallet on the pallet placement slot on the right, and moves the pallet placement slot to a suitable position for discharge and filling. The pneumatic vertical linear moving mechanism moves the pallet clamp upward; the vertical linear moving mechanism The moving module drives the pallet storage frame to move upward one grid, and the second pallet of the pallet storage frame moves to the pallet grabbing position. The pallet temporary placement table continues to grab the second pallet. After the pallet on the right pallet placement slot is full, the pallet clamp is controlled to place the grabbed second empty pallet on the left pallet placement slot, and the pallet clamp is controlled to take the full pallet from the right pallet placement slot and place it on the pallet temporary placement table. The pallet placement slot is moved to the appropriate position for discharge and filling. The vertical linear moving module drives the pallet storage frame to move downward to the first pallet storage position of the pallet storage frame and the pallet The pallet temporary storage table has the same height. The pallet temporary storage table moves to the left to place the fully loaded pallet in the first position of the pallet storage frame. The pallet temporary storage table is controlled to return to its initial position. The vertical linear movement module moves the third pallet of the pallet storage frame to the pallet grabbing position. The temporary storage table grabs the third pallet in the basket and performs the aforementioned reciprocating motion until the exchange of all empty pallets and fully loaded pallets is completed. After the rear pallet is taken out and exchanged, the rotating structure of the feeding rotating mechanism rotates 180°, and the front pallet storage frame symmetrical to the rear axis is rotated to the rear side, and the pallet exchange after material discharge continues.

[0028] The two placement positions of the tray placement slot are staggered for placing and retrieving trays.

[0029] The above description is only a specific implementation mode of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can easily think of changes or substitutions within the technical scope disclosed by the present invention, which should be included in the protection scope of the present invention. Therefore, the protection scope of the present invention should be based on the protection scope of the claims.

Claims

1. A double tray exchange device for winding machine discharging, characterized in that: The invention comprises a feeding rotating mechanism (1), a pallet storage frame (2), a pallet picking mechanism (3) and a pallet grabbing mechanism (4), wherein the feeding rotating mechanism (1) is mounted on the left side of a door frame (5), the door frame (5) is fixedly connected to a workbench (6), two pallet storage frames (2) are arranged axially symmetrically at the rotating structure of the feeding rotating mechanism (1), the pallet picking mechanism (3) is mounted on a pallet picking frame (7) and is located on the right side of the pallet storage frame (2), two pallet placement slots (8) that can move left and right are arranged on the right side of the pallet picking frame (7), the pallet picking mechanism (3) can take out or put in a pallet (9) into a pallet storage frame (2) that is facing the pallet picking mechanism (3), the pallet grabbing mechanism (4) is mounted on the door frame (5) and can move left and right and grab or put in a pallet (9) into the grabbing pallet picking mechanism (3), and the pallet grabbing mechanism (4) can place the pallet (9) into or take it out of the pallet placement slot (8).

2. A double-tray exchange device for discharging materials in a winding machine according to claim 1, characterized in that: The feeding rotating mechanism (1) comprises an inverted L-shaped bracket plate (101), a vertical linear moving module (102), a rotating disk (105) and a rotating shaft (106); the bracket plate (101) is a vertical plate mounted on a slider (1) on the front side of the vertical linear moving module (102); the bracket plate (101) is a horizontal plate rotatably connected to the rotating shaft (106); the lower end of the rotating shaft (106) extends out of the horizontal plate and then is cantilevered and fixedly connected to the center of the rotating disk (105); and the distance between the upper end surface of the rotating disk (105) and the lower end surface of the horizontal plate is greater than the maximum height of the tray storage frame (2); the upper end of the rotating shaft (106) extends out of the horizontal plate and then is connected to a servo motor (107); the servo motor (107) is fixedly connected to the top of the bracket plate (101) via a servo motor frame (108); and the upper side of the rotating disk (105) is provided with an axisymmetrically arranged inlay groove (109), and the inlay groove (109) can be embedded in the bottom of the tray storage frame (2) for positioning.

3. A double-tray exchange device for discharging materials for a winding machine according to claim 1 or 2, characterized in that: The tray storage frame (2) comprises a top plate (201), a bottom plate (202) and side plates (203); the top plate (201) and the bottom plate (202) are respectively fixedly connected to two side plates (203) at their left and right ends; two groups of card slots (204) are provided on the corresponding inner sides of the two side plates (203); the two groups of card slots (204) can be embedded with a plurality of trays (9); a limiting platform (205) is provided on the left side of the two groups of card slots (204); and a handle (206) is provided on the top surface of the top plate (201).

4. A double-tray exchange device for discharging materials in a winding machine according to claim 2, characterized in that: The tray picking mechanism (3) comprises a tray temporary placement platform (301) and a left-right linear moving mechanism (302). The tray temporary placement platform (301) is cantilevered and connected to a slider 2 of the left-right linear moving mechanism (302). The tray temporary placement platform (301) can be extended into the tray storage frame (2) to hold up the tray (9), and the front-to-back width of the tray (9) is smaller than the front-to-back width of the tray (9).

5. A double-tray exchange device for discharging materials in a winding machine according to claim 4, characterized in that: The tray temporary placement table (301) comprises a bottom plate (303) and a positioning table (304); the right end of the bottom plate (303) is fixedly connected to the second slide block; the positioning table (304) is fixedly connected to the top of the bottom plate (303) and the left end surface is located on the left side of the second slide block; the bottom plate (303) is located on the left side of the positioning table (304) and is provided with a plurality of left-right oriented strip-shaped through holes (305).

6. A double-tray exchange device for discharging materials in a winding machine according to claim 5, characterized in that: The left-right linear moving mechanism (302) comprises a cantilever push plate (306) and a horizontal telescopic cylinder (307). The front end of the cantilever push plate (306) is vertically fixedly connected to the slider 2. The bottom of the rear end of the cantilever push plate (306) is fixedly connected to a cylinder rod connecting seat (308). The cylinder rod of the horizontal telescopic cylinder (307) is connected to the cylinder rod connecting seat (308). The cylinder seat of the horizontal telescopic cylinder (307) is fixedly connected to a cylinder seat frame. The cylinder seat frame is fixedly connected to the workbench (6). The bottom plate (303) is fixedly connected to the top of the cantilever push plate (306).

7. A double-tray exchange device for discharging materials in a winding machine according to claim 1, characterized in that: The pallet grabbing mechanism (4) comprises a pallet clamp (401), a pneumatic vertical linear motion mechanism (402) and a grabbing horizontal linear motion mechanism (403); the pallet clamp (401) is mounted on the pneumatic vertical linear motion mechanism (402), and the pneumatic vertical linear motion mechanism (402) is mounted on the grabbing horizontal linear motion mechanism (403).

8. A double-tray exchange device for discharging materials in a winding machine according to claim 7, characterized in that: The pallet clamp (401) adopts pneumatic fingers, and the clamping fingers at the bottom are arranged as symmetrical outward vertical bending structures. The base of the pallet clamp (401) is fixedly connected to an L-shaped fixing plate (404), and the fixing plate (404) is fixedly connected to a slide plate of the pneumatic vertical linear moving mechanism (402).

9. A double-tray exchange device for discharging materials in a winding machine according to claim 7, characterized in that: The pneumatic vertical linear moving mechanism (402) adopts a rodless cylinder moving mechanism, and a travel switch (405) is installed on one side of the pneumatic vertical linear moving mechanism (402).

10. The method for operating a double-tray exchange device for discharging materials in a winding machine according to claim 1, characterized in that: The method is as follows: first, the pallet in the pallet storage frame at the rear side is taken out, the pallet temporary placement table is controlled by the horizontal telescopic cylinder to move to the left, and the vertical linear moving module is coordinated to move up and down to enter under the designated pallet to be taken out, and then the vertical linear moving module is coordinated to move upward to hold up the pallet, and the horizontal telescopic cylinder is controlled to move the pallet temporary placement table to the right, and the pallet is taken out from the pallet storage frame, and then the pallet clamp is driven by the grasping horizontal linear moving mechanism to move to the left to the top of the pallet on the pallet temporary placement table, and the pallet clamp is moved downward by the pneumatic vertical linear moving mechanism to the designated position to trigger The stroke switch stops, the pallet clamp is controlled to clamp the pallet on the pallet temporary storage table, the pallet clamp is moved upward by the pneumatic vertical linear motion mechanism, the grabbing horizontal linear motion mechanism is controlled to move the pallet clamp to the right to the top of the pallet placement slot on the right, the pneumatic vertical linear motion mechanism moves the pallet clamp downward to the pallet placement slot, the pallet clamp releases the pallet, the pallet is placed on the pallet placement slot on the right, and the pallet placement slot is moved to a suitable position for discharge and filling, the pneumatic vertical linear motion mechanism moves the pallet clamp upward; the vertical linear motion module drives the pallet storage frame to move upward The second pallet of the pallet storage frame moves to the pallet grabbing position, and the pallet temporary placement table continues to grab the second pallet. After the pallet on the right pallet placement slot is full, the pallet clamp is controlled to place the second empty pallet grabbed on the left pallet placement slot, and the pallet clamp is controlled to take the full pallet from the right pallet placement slot and place it on the pallet temporary placement table, and the pallet placement slot is moved to a suitable position for discharge and filling. The vertical linear movement module drives the pallet storage frame to move downward until the first pallet storage position of the pallet storage frame is the same height as the pallet temporary placement table. The pallet temporary placement table moves to the left to place the fully loaded pallet in the first position of the pallet storage frame, the pallet temporary placement table is controlled to return to the initial position, the vertical linear movement module moves the third pallet of the pallet storage frame to the pallet grabbing position, the temporary storage table grabs the third pallet in the basket, and performs the aforementioned reciprocating motion until the exchange of all empty pallets and fully loaded pallets is completed. After the rear pallet is taken out and exchanged, the rotating structure of the feeding rotating mechanism is rotated 180°, and the front pallet storage frame symmetrical to the rear axis is rotated to the rear side, and the pallet is exchanged after material discharge.

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