Automatic turnover equipment for circuit board

Abstract

The utility model relates to an automatic turnover device for a circuit board. The equipment comprises a rotary seat mechanism, a tray conveying mechanism and a rotary positioning mechanism, the rotating seat mechanism comprises a rotating supporting seat, a rotating frame rotationally arranged on the rotating supporting seat and a rotating driving part arranged on the rotating supporting seat, and the rotating driving part is connected with the rotating frame and used for driving the rotating frame to rotate; the tray conveying mechanism comprises a conveying supporting frame arranged in the middle of the rotating frame, two conveying frame plates arranged on the conveying supporting frame side by side, and a first conveying belt structure and a second conveying belt structure which are arranged on the upper side and the lower side of the inner side face of each conveying frame plate side by side. The rotary positioning mechanism comprises a first positioning structure and a second positioning structure which are oppositely arranged on the upper side and the lower side of the rotary frame correspondingly. The circuit board turnover device can solve the technical problems that the efficiency is very low, the labor cost is relatively high and the conditions of mistaken turnover and missing turnover are easy to occur when a circuit board product is manually turned over.

Description

TECHNICAL FIELD

[0001] The utility model relates to circuit board production technical field, especially a kind of circuit board automatic turnover equipment. BACKGROUND

[0002] In general, after circuit board product processing is completed, it is in the state of front face up and shipped. However, in some cases, it is necessary to ship the circuit board product in the state of back face up. In the traditional technology, in order to change the circuit board product from the state of front face up to the state of back face up, the circuit board product is usually turned over manually. This manual turning of the circuit board product is inefficient, labor-intensive and prone to errors. SUMMARY

[0003] The utility model provides a kind of circuit board automatic turnover equipment, can solve the technical problem that the efficiency of the way of manual turning of circuit board product in traditional technology is very low, labor-intensive and prone to errors.

[0004] To solve the above technical problems, the utility model provides a kind of circuit board automatic turnover equipment, comprising:

[0005] Rotary seat mechanism, including rotary support seat, rotary frame rotating on the rotary support seat, and rotary drive element on the rotary support seat, the rotary drive element is connected with the rotary frame, for driving the rotary frame to rotate;

[0006] Tray conveying mechanism, including conveying support frame in the middle of the rotary frame, two conveying frame plates are arranged side by side on the conveying support frame, and the first conveyor belt structure and the second conveyor belt structure are arranged side by side on the inner side of each conveying frame plate and the upper side and the lower side;And

[0007] Rotary positioning mechanism, including first positioning structure and second positioning structure respectively arranged on the upper side and the lower side of the rotary frame, the first positioning structure is located on the upper side of the conveying gap formed by two conveying frame plates, and the second positioning structure is located on the lower side of the conveying gap formed by two conveying frame plates.

[0008] Optionally, the first positioning structure and the second positioning structure include a positioning base plate arranged on the top or bottom of the rotary frame, a lifting drive arranged on the positioning base plate, and a positioning frame structure connected with the lifting drive.

[0009] Optionally, the positioning frame structure comprises a movable guide frame structure penetrating through the positioning base plate, and a positioning plate structure arranged at the end of the guide frame structure, the lifting driving member is connected with the guide frame structure, and the positioning plate structure is arranged at the conveying gap formed by the two conveying frame plates.

[0010] Optionally, the positioning plate structure comprises a positioning pressing plate fixedly connected with the guide frame structure.

[0011] The positioning plate structure comprises a positioning pressing plate elastically connected with the guide frame structure, and a positioning guide rod movably penetrating through the guide frame structure and connected with the positioning pressing plate.

[0012] Optionally, the guide frame structure comprises a plurality of guide connecting rods movably penetrating through the positioning base plate, a guide limiting plate arranged at one end of the plurality of guide connecting rods, and a guide connecting plate arranged at the other end of the plurality of guide connecting rods, the guide limiting plate and the guide connecting plate are respectively arranged at the two sides of the positioning base plate, the lifting driving member is connected with the guide connecting plate, and the positioning plate structure is arranged on the guide connecting plate.

[0013] Optionally, the rotating support seat comprises two rotating support seats arranged oppositely.

[0014] The rotating frame comprises two rotating side plates arranged oppositely, and two parallel rotating connecting plates connected between the two rotating side plates, the two rotating side plates are respectively arranged to rotate on the two rotating support seats, the first positioning structure and the second positioning structure are respectively arranged on the two rotating connecting plates, and the conveying support frame is arranged between the two rotating side plates.

[0015] Optionally, the conveying support frame comprises a first conveying support rod and a second conveying support rod arranged between the two rotating side plates, and the upper side and the lower side of the conveying frame plate are respectively arranged on the first conveying support rod and the second conveying support rod.

[0016] Optionally, the conveying support frame comprises two first conveying support rods arranged side by side, and two second conveying support rods arranged side by side.

[0017] The conveying frame plate comprises a main conveying plate, and an upper connecting plate and a lower connecting plate protrudingly arranged on the upper side and the lower side of the main conveying plate respectively, the two first conveying support rods are movably penetrating through the upper connecting plate, and the two second conveying support rods are movably penetrating through the lower connecting plate.

[0018] Optionally, the tray conveying mechanism comprises a conveying frame adjusting member connected with the conveying frame plate.

[0019] The conveying frame adjusting member comprises a telescopic driving member arranged on at least one of the rotating side plates, and the telescopic driving member is connected with one of the conveying frame plates.

[0020] Optionally, the first conveying belt structure and the second conveying belt structure on each of the conveying frame plates share one driving motor.

[0021] The beneficial effects brought by the technical scheme of the utility model include:

[0022] In the initial state, the second conveying belt structure of the two conveying frame plates of the tray conveying mechanism can be used to clamp and convey the circuit board product clamped between the two trays (i.e. the first tray and the second tray); when the two trays and the clamped circuit board product are conveyed to the turnover position, the first positioning structure and the second positioning structure of the rotating positioning mechanism are used to clamp and position the two trays from the upper and lower sides; then, the rotating driving member of the rotating seat mechanism is used to rotate the rotating frame on the rotating support seat, and the rotating positioning mechanism and the tray conveying mechanism on the rotating frame are driven to rotate, so that the two trays and the clamped circuit board product can be rotated by 180 degrees, and the front surface of the clamped circuit board product on the two trays is turned from the upward state to the downward state; then, the first positioning structure and the second positioning structure of the rotating positioning mechanism are used to release the positioning of the two trays and the clamped circuit board product from the two sides, so that the two trays and the clamped circuit board product fall onto the first conveying belt structure of the two conveying frame plates, and the two first conveying belt structures are used to convey the two trays and the clamped circuit board product after the turnover to the next station.

[0023] In this way, the circuit board product can be automatically turned over without manual intervention, and the circuit board product can be turned over from the upward state to the downward state, a plurality of circuit board products can be loaded and turned over at the same time by using the tray, the production efficiency can be greatly improved, a large amount of labor cost can be saved, and the situation of missed turnover or wrong turnover during manual turnover can be avoided. BRIEF DESCRIPTION OF DRAWINGS

[0024] In order to more clearly illustrate the technical scheme in the embodiments of the utility model, the following will briefly introduce the drawings needed to be used in the embodiment description, and obviously, the drawings in the following description are only some embodiments of the utility model, and for those skilled in the art, other drawings can also be obtained according to these drawings without creating labor.

[0025] Figure 1 The utility model discloses a three-dimensional structure schematic of the circuit board automatic turnover equipment Figure 1 ;

[0026] Figure 2The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram Figure 2 ;

[0027] Figure 3 The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram of rotating seat mechanism and tray conveying mechanism Figure 1 ;

[0028] Figure 4 The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram of rotating seat mechanism and tray conveying mechanism Figure 2 ;

[0029] Figure 5 The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram of rotating positioning mechanism;

[0030] Figure 6 The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram of the first positioning structure of rotating positioning mechanism;

[0031] Figure 7 The utility model discloses a circuit board automatic turnover equipment's three-dimensional structure schematic diagram of the second positioning structure of rotating positioning mechanism.

[0032] In the drawing: 10, circuit board automatic turnover equipment;20, tray structure;100, rotating seat mechanism;110, rotating support seat;112, rotating support;120, rotating frame;122, rotating sideboard;124, rotating connecting plate;130, rotating drive part;200, tray conveying mechanism;210, conveying support frame;212, first conveying support pole;214, second conveying support pole;220, conveying frame plate;222, main conveying plate;224, upper connecting plate;226, lower connecting plate;230, first conveyer belt structure;240, second conveyer belt structure;300, rotating positioning mechanism;310, first positioning structure;312, positioning bottom plate;314, lifting drive part;316, positioning frame structure;3162, guide frame structure;31622, guide connecting rod;31624, guide limit plate;31626, guide connecting plate;3164, positioning plate structure;31642, positioning pressing plate;31644, positioning guide rod;320, second positioning structure. DETAILED DESCRIPTION

[0033] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions of the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of this utility model. Based on the embodiments of this utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of this utility model.

[0034] like Figures 1 to 2 As shown, this utility model proposes an automatic circuit board flipping device 10, including a rotating seat mechanism 100, a tray conveying mechanism 200 and a rotating positioning mechanism 300 disposed on the rotating seat mechanism 100. The tray conveying mechanism 200 can automatically receive and convey tray structures 20 loaded with circuit board products (i.e., multiple circuit board products are clamped by two trays) from other workstations or equipment. The rotating positioning mechanism 300 can position the tray structures 20 loaded with circuit board products. Then, the rotating seat mechanism 100 can flip the tray structures 20 loaded with circuit board products, so that the circuit board products clamped between the two trays are flipped from a face-up state to a face-down state.

[0035] Specifically, the rotating seat mechanism 100 may include a rotating support 110, a rotating frame 120 rotatably mounted on the rotating support 110, and a rotating drive member 130 mounted on the rotating support 110. The rotating drive member 130 is connected to the rotating frame 120 and is used to drive the rotating frame 120 to rotate. Furthermore, the pallet conveying mechanism 200 may include a conveying support frame 210 located in the middle of the rotating frame 120, two conveying racks 220 arranged side-by-side on the conveying support frame 210, and a first conveyor belt structure 230 and a second conveyor belt structure 240 arranged side-by-side on the upper and lower sides of the inner surfaces of each conveying rack 220. Moreover, the rotating positioning mechanism 300 may include a first positioning structure 310 and a second positioning structure 320 respectively located opposite each other on the upper and lower sides of the rotating frame 120. The first positioning structure 310 is located above the conveying gap formed by the two conveying racks 220, and the second positioning structure 320 is located below the conveying gap formed by the two conveying racks 220.

[0036] In the initial state, the circuit board products clamped between the two trays (i.e. the first tray and the second tray) can be received and conveyed by the second conveying belt structure 240 of the two conveying frame plates 220 of the tray conveying mechanism 200; when the two trays and the clamped circuit board products are conveyed to the turning position, the two trays are clamped and positioned from the upper and lower sides by the first positioning structure 310 and the second positioning structure 320 of the rotary positioning mechanism 300; then, the rotary frame 120 on the rotary support seat 110 can be driven to rotate by the rotary drive member 130 of the rotary seat mechanism 100, driving the rotary positioning mechanism 300 and the tray conveying mechanism 200 on the rotary frame 120 to rotate together, so that the two trays and the clamped circuit board products can be rotated by 180 degrees, and the front side of the clamped circuit board products on the two trays is turned from the upward state to the downward state; then, the first positioning structure 310 and the second positioning structure 320 of the rotary positioning mechanism 300 are released from the two sides to position the two trays and the clamped circuit board products, so that the two trays and the clamped circuit board products fall onto the first conveying belt structure 230 of the two conveying frame plates 220, and the two first conveying belt structures 230 convey the two trays and the clamped circuit board products after turning to the next station.

[0037] Further, as shown in Figures 2 to 4 The rotary support seat 110 of the rotary seat mechanism 100 can include two rotary support seats 112 arranged oppositely, the rotary frame 120 is rotatably arranged between the two rotary support seats 112, and the rotary drive member 130 can be arranged on one rotary support seat 112 and connected with the rotary frame 120. The two rotary support seats 112 can stably support the rotary frame 120, the tray conveying mechanism 200 and the rotary positioning mechanism 300 arranged on the rotary frame 120.

[0038] Moreover, the rotary frame 120 can include two rotary side plates 122 arranged oppositely, and two parallel rotary connecting plates 124 connected between the two rotary side plates 122, so that the rotary frame 120 forms a square cylindrical structure. The two rotary side plates 122 can be rotatably arranged on the two rotary support seats 112 respectively, i.e. each rotary side plate 122 can be rotatably arranged on one rotary support seat 112 through the rotary shaft protruding from the side face thereof. The first positioning structure 310 and the second positioning structure 320 are arranged on the two rotary connecting plates 124 respectively, and the conveying support frame 210 is arranged between the two rotary side plates 122. That is, the first positioning structure 310 can be arranged between the top ends of the two rotary side plates 122, so that the first positioning structure 310 is located above the tray conveying mechanism 200; and the second positioning structure 320 can be arranged between the bottom ends of the two rotary side plates 122, so that the second positioning structure 320 is located below the tray conveying mechanism 200.

[0039] In addition, as shown inFigures 3 to 4 As shown, the conveying support frame 210 can include a first conveying support rod 212 and a second conveying support rod 214 arranged between the two rotating side plates 122, and the upper side and the lower side of the conveying frame plate 220 of the tray conveying mechanism 200 are arranged on the first conveying support rod 212 and the second conveying support rod 214, respectively. That is, the two conveying frame plates 220 can be supported and positioned from the upper side by the first conveying support rod 212, and the two conveying frame plates 220 can be supported and positioned from the lower side by the first conveying support rod 212, so as to support and limit the tray conveying mechanism 200 between the two rotating side plates 122.

[0040] Further, the conveying support frame 210 can include two first conveying support rods 212 arranged side by side, and two second conveying support rods 214 arranged side by side. The two first conveying support rods 212 can be arranged side by side in front of and behind the upper side of the two rotating side plates 122, so as to support and limit the upper side of the two conveying frame plates 220 from the front and the back. Further, the two second conveying support rods 214 can be arranged side by side in front of and behind the lower side of the two rotating side plates 122, so as to support and limit the lower side of the two conveying frame plates 220 from the front and the back. In addition, according to needs, more than two first conveying support rods 212 can be arranged, and more than two second conveying support rods 214 can be arranged.

[0041] Further, the conveying frame plate 220 can include a main conveying plate 222, and an upper connecting plate 224 and a lower connecting plate 226 protrudingly arranged on the upper side and the lower side of the main conveying plate 222, respectively. The two first conveying support rods 212 are slidably arranged through the upper connecting plate 224, and the two second conveying support rods 214 are slidably arranged through the lower connecting plate 226. By slidably connecting the upper side of the conveying frame plate 220 to the two first conveying support rods 212, and slidably connecting the lower side of the conveying frame plate 220 to the two second conveying support rods 214, the distance between the two conveying frame plates 220 can be adjusted, so as to adjust the distance between the conveying belt structures on the two conveying frame plates 220, so as to adapt to conveying tray structures of different sizes.

[0042] Further, the tray conveying mechanism 200 can include a conveying frame adjusting member connected to the conveying frame plate 220, and the conveying frame adjusting member can be used to adjust the extension of the conveying frame plate 220, so as to adjust the distance between the two conveying frame plates 220. Specifically, the conveying frame adjusting member can include an extension driving member arranged on at least one rotating side plate 122, and the extension driving member is connected to one conveying frame plate 220. That is, one extension driving member can be used to adjust the extension of one conveying frame plate 220, so as to adjust the distance between the two conveying frame plates 220; or two extension driving members can be used to adjust the extension of the two conveying frame plates 220, respectively, so as to adjust the distance between the two conveying frame plates 220.

[0043] In addition, each of the first and second conveyor belt structures 230 and 240 on each of the two conveyor frame plates 220 has a conveying limiting gap, so that the edges of the tray structure can be limited from both the top and bottom sides. Moreover, before the tray structure is flipped, the tray structure can be supported and conveyed by the second conveyor belt structure 240 on the bottom side of the two conveyor frame plates 220; after the tray structure is flipped, the tray structure can be supported and conveyed by the first conveyor belt structure 230 on the top side (which becomes the bottom side after flipping) of the two conveyor frame plates 220.

[0044] Moreover, each of the first and second conveyor belt structures 230 and 240 can include a conveyor belt driving motor arranged on the conveyor frame plate 220, an intermediate transmission structure connected to the conveyor belt driving motor, and a pulley transmission structure connected to the intermediate transmission structure, which is arranged on the inner side of the conveyor frame plate 220 and extends along the length direction of the conveyor frame plate 220, for supporting and conveying the tray structure. Moreover, in some embodiments, the first and second conveyor belt structures 230 and 240 can share one driving motor, i.e., the same conveyor belt driving motor can be used to drive the two pulley transmission structures on each of the two conveyor frame plates 220. In addition, each of the conveyor belt structures can also be driven by a separately arranged conveyor belt driving motor.

[0045] In addition, as shown in Figure 2 , and Figures 5 to 7 , the first and second positioning structures 310 and 320 of the rotary positioning mechanism 300 can each include a positioning base plate 312 arranged on the top or bottom of the rotary frame 120, a lifting driving member 314 arranged on the positioning base plate 312, and a positioning frame structure 316 connected to the lifting driving member 314. The lifting driving member 314 can drive the positioning frame structure 316 to move up and down, so that the first and second positioning structures 310 and 320 can clamp and position the tray structure on the conveyor belt structure of the two conveyor frame plates 220 of the tray conveying mechanism 200 from both the top and bottom sides.

[0046] Further, the positioning frame structure 316 can include a guide frame structure 3162 movably arranged on the positioning base plate 312, and a positioning plate structure 3164 arranged at the end of the guide frame structure 3162, the lifting driving member 314 being connected to the guide frame structure 3162, and the positioning plate structure 3164 being located at the conveying gap formed by the two conveyor frame plates 220. The lifting driving member 314 can drive the guide frame structure 3162 to move up and down in a direction perpendicular to the positioning base plate 312, i.e., the guide frame structure 3162 can move up and down with the positioning plate structure 3164, so that the positioning plate structure 3164 can position the tray structure on the tray conveying mechanism 200 from above or below.

[0047] Moreover, in some embodiments, the positioning plate structure 3164 can include a positioning pressing plate 31642 fixedly connected with the guide frame structure 3162. That is, the positioning pressing plate 31642 can be directly driven to move up and down by the guide frame structure 3162, so that the positioning pressing plate 31642 positions the front or back of the tray structure.

[0048] In addition, in other embodiments, the positioning plate structure 3164 can include a positioning pressing plate 31642 elastically connected with the guide frame structure 3162, and a positioning guide rod 31644 movably penetrating the guide frame structure 3162 and connected with the positioning pressing plate 31642. That is, the positioning plate structure 3164 can be provided as a structure with elastic expansion capability, so as to have a certain elasticity when clamping and positioning the tray structure, thereby avoiding damage to the tray structure and the circuit board product clamped thereby.

[0049] In addition, in other embodiments, the positioning plate structure 3164 of the first positioning structure 310 can include a positioning pressing plate 31642 elastically connected with the guide frame structure 3162, and a positioning guide rod 31644 movably penetrating the guide frame structure 3162 and connected with the positioning pressing plate 31642, and the positioning plate structure 3164 of the second positioning structure 320 can include a positioning pressing plate 31642 fixedly connected with the guide frame structure 3162.

[0050] In addition, the guide frame structure 3162 can include a plurality of guide connecting rods 31622 movably penetrating the positioning bottom plate 312, a guide limiting plate 31624 provided at one end of the plurality of guide connecting rods 31622, and a guide connecting plate 31626 provided at the other end of the plurality of guide connecting rods 31622, the guide limiting plate 31624 and the guide connecting plate 31626 are respectively located at two sides of the positioning bottom plate 312, the lifting driving member 314 is connected with the guide connecting plate 31626, and the positioning plate structure 3164 is arranged on the guide connecting plate 31626.

[0051] In this way, by using the circuit board automatic overturning equipment 10, the circuit board product can be automatically turned over without manual intervention, so that the circuit board product is turned over from the state of the front face upward to the state of the back face upward, a plurality of circuit board products can be simultaneously loaded and turned over by using the tray, the production efficiency can be greatly improved, a large amount of labor cost can be saved, and the situation of missing or wrong turning over during manual turning over can be avoided.

[0052] It should be noted that, in the present application, relational terms such as "first" and "second", and the like, are used solely to distinguish one from another entity or action, without necessarily requiring or implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can also include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0053] The above description is merely that of the specific embodiments of the present application, and enables those skilled in the art to understand or implement the present application. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein can be applied to other embodiments without departing from the spirit or scope of the application. Thus, the present application is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. An automatic circuit board flipping device, characterized in that, include: A rotating base mechanism includes a rotating support base, a rotating frame rotatably mounted on the rotating support base, and a rotating drive member mounted on the rotating support base, wherein the rotating drive member is connected to the rotating frame and is used to drive the rotating frame to rotate. A pallet conveying mechanism includes a conveying support frame located in the middle of the rotating frame, two conveying racks arranged side-by-side on the conveying support frame, and a first conveyor belt structure and a second conveyor belt structure arranged side-by-side on the upper and lower sides of the inner surfaces of each of the conveying racks; and The rotary positioning mechanism includes a first positioning structure and a second positioning structure respectively disposed on the upper and lower sides of the rotary frame. The first positioning structure is located above the conveying gap formed by the two conveying plates, and the second positioning structure is located below the conveying gap formed by the two conveying plates.

2. The automatic circuit board flipping device according to claim 1, characterized in that, The first positioning structure and the second positioning structure include a positioning base plate disposed at the top or bottom of the rotating frame, a lifting drive component disposed on the positioning base plate, and a positioning frame structure connected to the lifting drive component.

3. The automatic circuit board flipping device according to claim 2, characterized in that, The positioning frame structure includes a guide frame structure that is movably mounted on the positioning base plate, and a positioning plate structure located at the end of the guide frame structure. The lifting drive is connected to the guide frame structure, and the positioning plate structure is located at the conveying gap formed by the two conveying frames.

4. The automatic circuit board flipping device according to claim 3, characterized in that, The positioning plate structure includes a positioning pressure plate fixedly connected to the guide frame structure; or... The positioning plate structure includes a positioning pressure plate that is elastically connected to the guide frame structure, and a positioning guide rod that is movably inserted through the guide frame structure and connected to the positioning pressure plate.

5. The automatic circuit board flipping device according to claim 3, characterized in that, The guide frame structure includes multiple guide rods that are movably mounted on the positioning base plate, a guide limiting plate located at one end of the multiple guide rods, and a guide connecting plate located at the other end of the multiple guide rods. The guide limiting plate and the guide connecting plate are respectively located on both sides of the positioning base plate. The lifting drive component is connected to the guide connecting plate, and the positioning plate structure is located on the guide connecting plate.

6. The automatic circuit board flipping device according to any one of claims 1-5, characterized in that, The rotary support includes two rotary supports arranged opposite to each other; The rotating frame includes two rotating side plates arranged opposite each other, and two parallel rotating connecting plates connected between the two rotating side plates. The two rotating side plates are respectively rotatably mounted on two rotating supports. The first positioning structure and the second positioning structure are respectively mounted on the two rotating connecting plates. The conveying support is mounted between the two rotating side plates.

7. The automatic circuit board flipping device according to claim 6, characterized in that, The conveying support frame includes a first conveying support rod and a second conveying support rod disposed between the two rotating side plates, with the upper and lower sides of the conveying frame plate respectively disposed on the first conveying support rod and the second conveying support rod.

8. The automatic circuit board flipping device according to claim 7, characterized in that, The conveying support frame includes two first conveying support rods arranged side by side, and two second conveying support rods arranged side by side; The conveyor frame includes a main conveyor plate, and an upper connecting plate and a lower connecting plate protruding from the upper and lower sides of the main conveyor plate, respectively. Two first conveyor support rods slide through the upper connecting plate, and two second conveyor support rods slide through the lower connecting plate.

9. The automatic circuit board flipping device according to claim 7, characterized in that, The pallet conveying mechanism includes a conveyor frame adjusting component connected to the conveyor frame plate; The conveyor adjustment component includes a telescopic drive component disposed on at least one of the rotating side plates, and the telescopic drive component is connected to one of the conveyor plates.

10. The automatic circuit board flipping device according to any one of claims 1-5, characterized in that, The first and second conveyor belt structures on each of the conveyor racks share a single drive motor.

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