Multi-layer board baking cart for PCB (printed circuit board) production

Abstract

The utility model belongs to the technical field of PCB (printed circuit board) production, and particularly relates to a multilayer board baking cart for PCB production, which comprises a cart body capable of transferring PCBs in batches, a plurality of material placing components capable of conveniently taking and placing the PCBs are arranged in the cart body, and limiting components capable of fixing the PCBs of various specifications are arranged in the material placing components. According to the utility model, a plurality of PCBs can be stored in the material placing assemblies which are vertically arranged and mutually independent without mutual interference by adopting a layered layout mode in the cart body, and a worker only needs to pull an insertion rod to quickly relieve the constraint of the bracket so as to take and place the PCBs in combination with the arrangement of the special limiting assemblies in the material placing assemblies, so that the working efficiency is greatly improved. Therefore, the taking and placing work of the PCBs is not interfered with each other, and the operation is safer and more convenient.

Description

Technical Field

[0001] This utility model belongs to the field of PCB board production technology, specifically relating to a multi-layer baking board trolley for PCB board production. Background Technology

[0002] Multilayer PCB trolleys are industrial equipment specifically designed for the printed circuit board (PCB) manufacturing process. They are mainly used to efficiently and safely carry and transport multilayer PCBs during baking, curing, and cooling processes.

[0003] Chinese patent document CN217936105U discloses a novel baking tray for PCB board production. It uses push plates that can move towards each other or away from each other in the frame to clamp the PCB boards placed on the pads at the bottom of the placement plates. Multiple clamping plates that can be translated when the lead screw rotates cooperate with their respective adjacent placement plates to clamp each PCB board, thereby fixing the PCB boards and preventing them from being damaged by shaking during transportation.

[0004] However, in the existing technology, multiple PCB boards are clamped and limited at the same time. When a PCB board is taken out, the remaining boards will be released from the limit at the same time. If the transport frame encounters an accidental collision, the PCB boards left in the frame are prone to damage due to the loss of mechanical limit protection. Therefore, a multi-layer baking board trolley for PCB board production is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a multi-layer baking tray trolley for PCB board production.

[0006] The technical solution adopted in this utility model is as follows:

[0007] A multi-layer baking board trolley for PCB board production includes a trolley body capable of batch transfer of PCB boards. The trolley body is provided with multiple material placement components for easy picking and placing of PCB boards. Each material placement component is provided with a limiting component for fixing PCB boards of various specifications.

[0008] The material placement assembly includes a frame that is fixedly installed on both sides inside the trolley body, and a bracket is movably connected between the frames of the same height;

[0009] The limiting components include a pressing component that can flexibly adjust its height above the bracket according to the PCB board fixing requirements, and a lateral component that can quickly fix or release the PCB board.

[0010] The lower pressure component includes a lifting frame that is movably installed in the carrier frame, and a pressure frame located above the bracket is movably installed in the lifting frame;

[0011] The lateral movement component includes inserts that are movably connected to both sides of the pressure frame.

[0012] Preferably, the pressing component further includes limiting rods fixedly connected to the front and rear of the lifting frame, a second spring movably connected to the outer side of the limiting rod, a pressure frame movably connected to the limiting rod above the second spring of the same height, a fastening cap threadedly connected to the lifting frame on one side of the carrier frame, and a cover plate fixedly connected to the top of the lifting frame.

[0013] Preferably, a rod is provided between the lifting frame and the cover plate.

[0014] Preferably, the lateral movement component further includes a lever movably mounted inside the insertion rod, and a third spring is movably connected to the outer side of the insertion rod.

[0015] Preferably, the upper side of the pressure frame has an integrally formed groove, the insertion rod fits into the groove, and the lower side of the pressure frame has a fixedly connected protrusion.

[0016] Preferably, the carrier frame and the lifting frame are slidably connected, the lifting frame and the limiting rod are both slidably connected to the pressure frame, and the limiting rod is slidably connected to the second spring.

[0017] Preferably, the lifting frame, cover plate, and pressure frame are all slidably connected to the insertion rod, the insertion rod is rotatably connected to the toggle block, and the insertion rod is slidably connected to the third spring.

[0018] The beneficial effects of this utility model are as follows: by adopting a layered layout inside the trolley body, multiple PCB boards can be stored in vertically arranged and independent material placement components without interfering with each other. Combined with the setting of a dedicated limiting component in the material placement component, the operator can quickly release the constraint of the bracket to pick up and put down the PCB board by simply pulling the insertion rod, so that the picking and putting down of each PCB board does not interfere with each other and is safer and more convenient. Attached Figure Description

[0019] The accompanying drawings are provided to further illustrate the present invention and form part of the specification. They are used together with the following detailed description to explain the present invention, but do not constitute a limitation thereof. In the drawings:

[0020] Figure 1 This is a schematic diagram of the structure of a multi-layer baking tray trolley for PCB board production according to the present invention;

[0021] Figure 2 This is a front view structural schematic diagram of a multi-layer baking tray trolley for PCB board production according to the present invention;

[0022] Figure 3 yes Figure 1 Schematic diagram of some component structures;

[0023] Figure 4 yes Figure 3 A structural schematic diagram of some components from another perspective;

[0024] Figure 5 yes Figure 3 Schematic diagram of some of the exploded components;

[0025] Figure 6 yes Figure 3 A schematic diagram of the cross-sectional structure;

[0026] Figure 7 yes Figure 6 A proportionally enlarged structural diagram at point A;

[0027] Figure 8 yes Figure 3 A schematic diagram of the cross-sectional structure;

[0028] Figure 9 yes Figure 8 A proportionally enlarged structural diagram of point B.

[0029] The annotations in the attached figures are explained as follows:

[0030] 1. Trolley body; 101. Base plate; 102. Rollers; 103. Side frame; 104. Reinforcing rod; 2. Material placement assembly; 201. Carrier frame; 202. Guide cylinder; 203. Cylinder cover; 204. Positioning rod; 205. First spring; 206. Bracket; 3. Limiting assembly; 301. Lifting frame; 302. Limiting rod; 303. Second spring; 304. Pressure frame; 305. Fastening cap; 306. Cover plate; 307. Insert rod; 308. Pulley; 309. Third spring. Detailed Implementation

[0031] In the description of this utility model, it should be understood that the terms "center," "longitudinal," "lateral," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," and "outer," etc., indicating orientation or positional relationships based on the orientation or positional relationships shown in the accompanying drawings, are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. Furthermore, the terms "first," "second," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of indicated technical features. Thus, features defined with "first," "second," etc., may explicitly or implicitly include one or more of that feature. In the description of this utility model, unless otherwise stated, "a plurality of" means two or more.

[0032] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0033] The present invention will be further described below with reference to the embodiments and accompanying drawings.

[0034] like Figures 1-9 As shown, a multi-layer baking board trolley for PCB board production includes a trolley body 1 for batch transfer of PCB boards. The trolley body 1 is provided with multiple material placement components 2 for convenient picking and placing of PCB boards. The material placement components 2 are provided with limiting components 3 for fixing PCB boards of various specifications.

[0035] In this embodiment: the trolley body 1 includes a base plate 101, a roller 102 is fixedly installed under the base plate 101, a side frame 103 is fixedly connected to both sides of the base plate 101, and a reinforcing rod 104 is fixedly connected between the side frames 103.

[0036] The base plate 101 with rollers 102 serves as the load-bearing foundation of the trolley, making it easy to move. The side frame 103 provides an installation position for the carrier 201, and the part protruding from the main body on one side allows workers to easily hold and push the trolley. The reinforcing rod 104 prevents the side frame 103, which is connected to the base plate 101 at the bottom, from tilting under stress.

[0037] In this embodiment: the material placement assembly 2 includes a carrier frame 201 fixedly installed on both sides inside the trolley body 1. Two guide cylinders 202 are threadedly connected to the bottom of the carrier frame 201. A cylinder cover 203 is threadedly connected to the bottom of the guide cylinder 202. A positioning rod 204 is movably connected between the guide cylinder 202 and the cylinder cover 203. A first spring 205 is movably connected to the outer side of the positioning rod 204. A bracket 206 is movably connected between the carrier frames 201 of the same height.

[0038] The lower side of the bracket 206 is integrally formed with a positioning hole. The inner diameter of the positioning hole is the same as the outer diameter of the positioning rod 204. The guide cylinder 202, the cylinder cover 203, the first spring 205, and the bracket 206 are all slidably connected to the positioning rod 204.

[0039] The carrier 201 provides installation positions for components such as the guide cylinder 202 and the lifting frame 301, and supports the bracket 206. The guide cylinder 202 and the first spring 205, whose movable range is limited by the cylinder cover 203, together limit the positioning rod 204 and make the positioning rod 204, which is not subjected to external force, tend to move upward. By inserting the positioning rod 204 into the positioning hole of the bracket 206, the horizontal movement of the bracket 206, which can hold the PCB board, on the carrier 201 is restricted.

[0040] In this embodiment: the limiting component 3 includes a pressing component that can flexibly adjust its height above the bracket 206 according to the fixing requirements of the PCB board, and a lateral component that can quickly complete the fixing or release of the PCB board;

[0041] The pressing component includes a lifting frame 301 movably installed in the carrier 201, and a pressing frame 304 located above the bracket 206 is movably installed in the lifting frame 301. The lateral movement component includes insert rods 307 movably connected to both sides of the pressing frame 304. The pressing component also includes limiting rods 302 fixedly connected to the front and rear of the lifting frame 301 respectively. A second spring 303 is movably connected to the outer side of the limiting rod 302. A pressing frame 304 movably connected to the limiting rod 302 is provided above the second spring 303 of the same height. A fastening cap 305 threadedly connected to the lifting frame 301 is provided on one side of the carrier 201. A cover plate 306 is fixedly connected to the top of the lifting frame 301. An insert rod 307 is provided between the lifting frame 301 and the cover plate 306. The lateral movement component also includes a lever 308 movably installed in the insert rod 307. A third spring 309 is movably connected to the outer side of the insert rod 307.

[0042] The upper side of the pressure frame 304 is integrally formed with a sliding groove, and the insertion rod 307 fits into the sliding groove. The lower side of the pressure frame 304 is fixedly connected with a protrusion. The carrier frame 201 is slidably connected to the lifting frame 301. The lifting frame 301 and the limiting rod 302 are both slidably connected to the pressure frame 304. The limiting rod 302 is slidably connected to the second spring 303. The lifting frame 301, the cover plate 306, and the pressure frame 304 are all slidably connected to the insertion rod 307. The insertion rod 307 is rotatably connected to the toggle block 308. The insertion rod 307 is slidably connected to the third spring 309.

[0043] The lifting frame 301 provides installation positions for components such as the limiting rod 302 and the cover plate 306. The limiting rod 302 and the second spring 303 together limit the movable range of the pressure frame 304 between the two lifting frames 301, and allow the pressure frame 304, which is not subjected to external force, to have an upward tendency. The pressure frame 304 can rise and fall with the lifting frame 301, and can also rise and fall relative to the lifting frame 301. When the pressure frame 304 moves towards the bracket 206 under the action of external force, it can apply pressure to the PCB board on the bracket 206 through the protrusion on its lower side, thereby fixing the PCB board. The lifting frame is realized by tightening and loosening the fastening cap 305. The height of 301 within the carrier 201 is locked, or the lifting frame 301 can drive the pressure frame 304 and other components to rise and fall relative to the carrier 201. The cover plate 306 cooperates with the lifting frame 301 to install the insertion rod 307 and the third spring 309. The third spring 309 can cause the insertion rod 307, which is not subjected to external force, to tend to move laterally towards the pressure frame 304. In addition, when the toggle block 308 is located between the lifting frame 301 and the cover plate 306, the third spring 309 can limit the rotation range of the toggle block 308 relative to the insertion rod 307, preventing the toggle block 308 from rotating out of the rod body of the insertion rod 307.

[0044] Working principle: When this multi-layer baking tray is installed and used for PCB board production, if it is necessary to remove the bracket 206 to pick up and place the PCB board, the insert rod 307 can be pulled horizontally away from the side frame 103. When the lever 308 moves with the insert rod 307 outside the main body of the trolley, the lever 308 is turned to rotate to a position perpendicular to the rod body of the insert rod 307. At this time, the insert rod 307 is released and will be reset under the action of the third spring 309. However, since the lever 308 is blocked by the carrier 201, the insert rod 307 cannot be fully reset and contact the pressure frame 304. In this case, the pressure frame 304, which is not blocked by the insert rod 307, will move upward under the action of the second spring 303 and move away from the bracket 206 below it. At this time, the bracket 206 is slightly lifted to separate it from the positioning rod 204, so that it can be easily removed from the trolley to pick up and place the PCB board.

[0045] When the bracket 206 is returned, simply pull the insert rod 307 horizontally again and reset the lever 308 so that the lever 308 is fully within the range of the insert rod 307. Then, the fully reset insert rod 307 can press down the pressure frame 304 again, causing the pressure frame 304 to move toward the bracket 206 to fix the PCB board on the bracket 206.

[0046] In addition, the height of the lifting frame 301 within the carrier 201 can be adjusted and locked by loosening and tightening the fastening cap 305, so that the staff can adjust the contact effect and pressure of the pressure frame 304 and the PCB board on the bracket 206 according to the specifications of the PCB board.

[0047] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Within the scope of knowledge possessed by those skilled in the art, various changes can be made without departing from the spirit of the present invention.

Claims

1. A multi-layer baking tray for PCB board production, characterized in that: The trolley body (1) is used for batch transfer of PCB boards. The trolley body (1) is provided with multiple material placement components (2) for convenient picking up and placing of PCB boards. The material placement components (2) are provided with limiting components (3) for fixing PCB boards of various specifications. The material placement assembly (2) includes a carrier frame (201) fixedly installed on both sides inside the trolley body (1), and a bracket (206) is movably connected between the carrier frames (201) of the same height; The limiting component (3) includes a pressing component that can flexibly adjust its height above the bracket (206) according to the fixing requirements of the PCB board, and a lateral component that can quickly complete the fixing or release of the PCB board. The lower pressing component includes a lifting frame (301) movably installed in the carrier (201), and a pressing frame (304) located above the bracket (206) is movably installed in the lifting frame (301); The transverse component includes insert rods (307) movably connected to both sides of the pressure frame (304).

2. The multi-layer baking tray for PCB board production according to claim 1, characterized in that: The pressing component also includes limiting rods (302) fixedly connected to the front and rear of the lifting frame (301), respectively. A second spring (303) is movably connected to the outer side of the limiting rod (302). Above the second spring (303) of the same height, a pressing frame (304) is provided, which is movably connected to the limiting rod (302). A fastening cap (305) threadedly connected to the lifting frame (301) is provided on one side of the carrier (201). A cover plate (306) is fixedly connected to the top of the lifting frame (301).

3. The multi-layer baking tray for PCB board production according to claim 2, characterized in that: The insertion rod (307) is provided between the lifting frame (301) and the cover plate (306).

4. A multi-layer baking tray for PCB board production according to claim 3, characterized in that: The lateral movement component also includes a lever (308) movably installed inside the insert rod (307), and a third spring (309) is movably connected to the outer side of the insert rod (307).

5. A multi-layer baking tray for PCB board production according to claim 4, characterized in that: The upper side of the pressure frame (304) is integrally formed with a sliding groove, the insertion rod (307) is fitted with the sliding groove, and the lower side of the pressure frame (304) is fixedly connected with a protrusion.

6. A multi-layer baking tray for PCB board production according to claim 2, characterized in that: The carrier (201) is slidably connected to the lifting frame (301), the lifting frame (301) and the limiting rod (302) are both slidably connected to the pressure frame (304), and the limiting rod (302) is slidably connected to the second spring (303).

7. A multi-layer baking tray for PCB board production according to claim 4, characterized in that: The lifting frame (301), the cover plate (306), and the pressure frame (304) are all slidably connected to the insertion rod (307), the insertion rod (307) is rotatably connected to the toggle block (308), and the insertion rod (307) is slidably connected to the third spring (309).

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