Pressing device

Abstract

The utility model relates to the technical field of printed circuit board processing, in particular to a pressing device which comprises a processing table, a base, a bearing plate, a pressing assembly, a fixing assembly and a limiting assembly, the base is fixedly installed on the processing table, the bearing plate is installed on the base, and the limiting assembly comprises a fixing plate, a supporting seat, a movable plate, a rubber pad, a threaded block and a moving component. The fixed plate is installed on the pressure bearing plate, the supporting seat is installed on the fixed plate, the movable plate is installed on the pressure bearing plate, the rubber pad is installed on the movable plate, the threaded block is installed on the movable plate, and the moving component is installed on the supporting seat. The two threaded blocks are made to move linearly through the moving component, the two movable plates are driven to move oppositely through the through holes, the rubber pads abut against and limit the two sides of the circuit board, and therefore adjustment and limiting can be conducted according to the size of the circuit board, and the situation that the pressing quality is affected due to mutual dislocation in the pressing process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of printed circuit board processing, in particular to a pressing device. Background Art

[0002] With the continuous development of electronic communication technology, communication products have more and more functions, and the requirements for circuit boards are getting higher and higher. In the process of circuit board processing, the circuit board needs to be pressed, and the layers of the multi-layer printed circuit board are bonded together to form a whole through heating and pressure.

[0003] The existing patent CN219164846U discloses a pressing device, which comprises a base, a pressing structure, a pressure-bearing structure and a controller; a heating structure is provided in the middle of the base, and the heating structure comprises a mounting groove, which is located in the middle of the base, and evenly distributed heating tubes are installed inside the mounting groove; the pressing structure is connected to the base; the pressure-bearing structure is located at the lower end of the pressing structure and is movably connected to the base; the controller is fixed on the base, and the input end of the controller is electrically connected to the output end of an external power supply; its advantages are: by adopting a separate pressure-bearing structure, the pressure-bearing structure can be disassembled and replaced while ensuring the normal engagement operation of the circuit board, and the pressing of the circuit board and the cleaning of the pressure-bearing structure can be carried out simultaneously, avoiding the time wasted by cleaning first and then pressing, greatly improving the pressing efficiency of the circuit board, thereby improving the production efficiency of the circuit board, and facilitating the promotion and use of the product.

[0004] However, when using the existing patented pressing device, since the pressing groove of the pressure plate is fixed, it can only limit and align circuit boards of specified sizes, and cannot adjust the limit according to different sizes of circuit boards, thereby causing mutual misalignment during the pressing process of multi-layer circuit boards, affecting the pressing quality. Utility Model Content

[0005] The purpose of the utility model is to provide a pressing device, which solves the problem that during the use of the pressing device, since the pressing groove of the pressure plate is fixed, only circuit boards of specified sizes can be limited and aligned, and the limit cannot be adjusted according to different sizes of circuit boards, thereby causing mutual misalignment during the pressing process of multi-layer circuit boards and affecting the pressing quality.

[0006] To achieve the above-mentioned objectives, the utility model provides a pressing device, including a processing table, a base, a pressure plate, a pressing assembly, a fixing assembly and a limiting assembly, the base is fixedly mounted on the processing table, the base has a slide groove, the pressure plate is mounted on the slide groove, the pressing assembly is mounted on the processing table, the fixing assembly is mounted on the base, the limiting assembly includes a fixing plate, a supporting seat, a movable plate, a rubber pad, a threaded block and a movable member, the fixing plate is fixedly mounted on the pressure plate, the supporting seat is fixedly mounted on the fixing plate, the number of the movable plates is two, the two movable plates are respectively mounted on the pressure plate, the movable plate is slidably connected to the pressure plate, each movable plate is mounted with the rubber pad, each movable plate is also mounted with the threaded block, the fixing plate has a through hole, the threaded block cooperates with the through hole, and the movable member is mounted on the supporting seat.

[0007] Among them, the movable component includes a bearing, a bidirectional screw and a rotating component, the bearing is fixedly mounted on the support seat; the bidirectional screw is mounted on the bearing, the bidirectional screw is rotatably connected to the bearing, the thread block is mounted on the bidirectional screw, the thread block is threadedly connected to the bidirectional screw; the rotating component is mounted on the bidirectional screw.

[0008] Wherein, the rotating component includes a rotating rod and a handle, one end of the rotating rod is fixedly mounted on the bidirectional screw, and the other end of the rotating rod passes through the supporting seat and is mounted with the handle.

[0009] Among them, the pressing assembly includes a support frame, an electric cylinder, a driving shaft and a pressing plate, the support frame is fixedly installed on the processing table; the electric cylinder is fixedly installed on the support frame; one end of the driving shaft is fixedly connected to the output shaft of the electric cylinder, and the other end of the driving shaft is installed with the pressing plate.

[0010] Among them, the fixing assembly includes a fixing screw and a fixing nut, the number of the fixing screws is two, the two fixing screws are respectively installed on the base, pass through the base, and abut against the pressure plate; each of the fixing screws is installed with the fixing nut, and the fixing nut is threadedly connected to the fixing screw.

[0011] The utility model provides a pressing device, wherein the fixed plate is fixedly mounted on the pressure plate, the supporting seat is fixedly mounted on the fixed plate, the movable plate is mounted on the pressure plate, the rubber pad is fixedly mounted on the movable plate, and the threaded block is fixedly mounted on the movable plate. The circuit board is placed on the pressure plate so that one side of the circuit board abuts against the fixed plate, and then the handle is rotated to make the rotating rod drive the bidirectional screw to rotate on the bearing, so that the two threaded blocks make a linear motion on the bidirectional screw and drive the two movable plates to move toward each other on the through hole, so that the rubber pad abuts and limits the two sides of the circuit board, and then the electric cylinder is started to push the pushing shaft to move the pressing plate downward to press the circuit board, so that the limit can be adjusted according to the size of the circuit board to avoid mutual misalignment during the pressing process and affect the pressing quality. BRIEF DESCRIPTION OF THE DRAWINGS

[0012] In order to more clearly illustrate the embodiments of the present application or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art are briefly introduced below.

[0013] Figure 1 It is a schematic diagram of the overall structure of the pressing device of the first embodiment of the utility model.

[0014] Figure 2 It is a schematic diagram of the installation structure of the threaded block of the first embodiment of the utility model.

[0015] Figure 3 It is a schematic diagram of the installation structure of the support base of the first embodiment of the utility model.

[0016] Figure 4 It is a schematic diagram of the installation structure of the electric cylinder of the first embodiment of the utility model.

[0017] Figure 5 It is a schematic diagram of the installation structure of the fixing screw rod of the second embodiment of the utility model.

[0018] In the figure: 101-processing table, 102-base, 103-pressure plate, 104-slide, 105-fixed plate, 106-support seat, 107-movable plate, 108-rubber pad, 109-thread block, 110-bearing, 111-bidirectional screw, 112-rotating rod, 113-handle, 114-support frame, 115-electric cylinder, 116-driving shaft, 117-pressing plate, 118-circuit board, 119-through hole, 201-fixed screw, 202-fixed nut. DETAILED DESCRIPTION

[0019] Embodiments of the present invention are described in detail below, and examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and are intended to be used to explain the present invention, but should not be understood as limiting the present invention.

[0020] The first embodiment of the present application is:

[0021] See also Figures 1 to 4 ,in Figure 1 It is a schematic diagram of the overall structure of the pressing device of the first embodiment of the utility model; Figure 2 It is a schematic diagram of the installation structure of the threaded block of the first embodiment of the utility model; Figure 3 It is a schematic diagram of the installation structure of the support base of the first embodiment of the utility model; Figure 4 It is a schematic diagram of the installation structure of the electric cylinder of the first embodiment of the utility model.

[0022] The utility model provides a pressing device: including a processing table 101, a base 102, a pressure plate 103, a pressing assembly, a fixing assembly and a limiting assembly, wherein the limiting assembly includes a fixing plate 105, a supporting seat 106, a movable plate 107, a rubber pad 108, a threaded block 109 and a moving member, wherein the moving member includes a bearing 110, a bidirectional screw 111 and a rotating member, wherein the rotating member includes a rotating rod 112 and a handle 113, and the pressing assembly includes a supporting frame 114, an electric cylinder 115, a driving shaft 116 and a pressing plate 117. The above-mentioned scheme solves the problem that in the process of using the pressing device, since the pressing groove of the pressure plate is fixed, only circuit boards of specified sizes can be limited and aligned, and the limit cannot be adjusted according to different sizes of circuit boards, thereby causing mutual misalignment during the pressing of multi-layer circuit boards, affecting the pressing quality. It can be understood that the above-mentioned scheme can be used in the scene of printed circuit board processing, and can also be used to solve the problem of fixing the pressure plate.

[0023] In this embodiment, the base 102 is fixedly mounted on the processing table 101, the base 102 has a slide groove 104, the pressure plate 103 is mounted on the slide groove 104, the pressing assembly is mounted on the processing table 101, the fixing assembly is mounted on the base 102, and the limiting assembly is mounted on the pressure plate 103, so that the limit can be adjusted according to the size of the circuit board to avoid mutual misalignment during the pressing process and affect the pressing quality.

[0024] Among them, the fixed plate 105 is fixedly installed on the pressure plate 103, the support seat 106 is fixedly installed on the fixed plate 105, the number of the movable plates 107 is two, the two movable plates 107 are respectively installed on the pressure plate 103, the movable plates 107 are slidably connected with the pressure plate 103, each of the movable plates 107 is installed with the rubber pad 108, each of the movable plates 107 is also installed with the threaded block 109, the fixed plate 105 has a through hole 119, the threaded block 109 cooperates with the through hole 119, and the movable member is installed on the support seat 106. The material of the fixed plate 105 is stainless steel, and the fixed plate 105 is fixedly installed on the pressure plate 103 by welding, and the fixed plate 105 abuts against one side of the circuit board 118; the material of the support seat 106 is stainless steel, and the support seat 106 supports the moving member; the material of the movable plate 107 is stainless steel, and the two movable plates 107 slide on the pressure plate 103, driving the rubber pad 108 to move; the material of the rubber pad 108 is rubber, and the rubber pad 108 abuts against and limits the two sides of the circuit board 118, and at the same time provides a buffer force to avoid damage to the circuit board 118 caused by excessive force; the number of the through holes 119 is two, and the through holes 119 accommodate the threaded block 109 moves; the threaded block 109 makes a linear motion through the moving component, and drives the movable plate 107 to move on the through hole 119; the moving component makes the threaded blocks 109 move toward each other; the circuit board 118 is placed on the pressure plate 103, so that one side of the circuit board 118 abuts against the fixed plate 105, and the two threaded blocks 109 are made to move linearly through the moving component, and move toward each other on the two through holes 119, driving the two movable plates 107 to move toward each other, so that the rubber pad 108 abuts and limits the two sides of the circuit board 118, so that the limit can be adjusted according to the size of the circuit board 118 to avoid mutual misalignment during the pressing process and affect the pressing quality.

[0025] Secondly, the bearing 110 is fixedly mounted on the support seat 106; the bidirectional screw 111 is mounted on the bearing 110, the bidirectional screw 111 is rotatably connected to the bearing 110, the thread block 109 is mounted on the bidirectional screw 111, the thread block 109 is threadedly connected to the bidirectional screw 111; the rotating component is mounted on the bidirectional screw 111. The bearing 110 is made of stainless steel, the bearing 110 supports the bidirectional screw 111 to rotate; the bidirectional screw 111 makes the two thread blocks 109 move toward each other; the rotating component makes the bidirectional screw 111 rotate; through the rotating component, the bidirectional screw 111 is rotated on the bearing 110, so that the two thread blocks 109 make linear motion and move toward each other.

[0026] Again, one end of the rotating rod 112 is fixedly mounted on the bidirectional screw 111, and the other end of the rotating rod 112 passes through the support seat 106 and is mounted with the handle 113. The rotating rod 112 drives the bidirectional screw 111 to rotate; the handle 113 drives the rotating rod 112 to rotate; rotating the handle 113 causes the rotating rod 112 to rotate, thereby causing the bidirectional screw 111 to rotate on the bearing 110.

[0027] Then, the support frame 114 is fixedly mounted on the processing table 101; the electric cylinder 115 is fixedly mounted on the support frame 114; one end of the driving shaft 116 is fixedly connected to the output shaft of the electric cylinder 115, and the other end of the driving shaft 116 is mounted with the pressing plate 117. The support frame 114 supports the electric cylinder 115; the electric cylinder 115 drives the driving shaft 116; the driving shaft 116 is made of stainless steel, and the driving shaft 116 connects the electric cylinder 115 and the pressing plate 117, and pushes the pressing plate 117 to move downward to press the circuit board 118; the electric cylinder 115 is started to drive the driving shaft 116, thereby pushing the pressing plate 117 to press the circuit board 118.

[0028] When a pressing device of this embodiment is used, the circuit board 118 is placed on the pressure plate 103, so that one side of the circuit board 118 abuts against the fixed plate 105, and then the handle 113 is rotated to make the rotating rod 112 drive the bidirectional screw 111 to rotate on the bearing 110, so that the two threaded blocks 109 make linear motion on the bidirectional screw 111, and drive the two movable plates 107 to move toward each other on the two through holes 119, so that the rubber pad 108 abuts and limits the two sides of the circuit board 118, and then the electric cylinder 115 is started to push the pushing shaft 116 to move the pressing plate 117 downward to press the circuit board 118, so that the limit can be adjusted according to the size of the circuit board 118 to avoid mutual misalignment during the pressing process and affect the pressing quality.

[0029] The second embodiment of the present application is:

[0030] See also Figure 5 ,in Figure 5 It is a schematic diagram of the installation structure of the fixing screw rod of the second embodiment of the utility model.

[0031] The fixing assembly provided by the utility model includes a fixing screw 201 and a fixing nut 202 .

[0032] There are two fixing screws 201 , which are respectively installed on the base 102 , penetrate the base 102 , and abut against the pressure plate 103 ; each fixing screw 201 is installed with a fixing nut 202 , which is threadedly connected to the fixing screw 201 . The fixing screw 201 is made of stainless steel, and the fixing screw 201 passes through the pressure plate 103 and abuts against the base 102. The fixing screw 201 limits the pressure plate 103 to prevent the pressure plate 103 from being easily pulled or pushed by external forces on the slide groove 104; the fixing nut 202 is made of stainless steel, and the fixing nut 202 rotates on the fixing screw 201 to fix the fixing screw 201 on the base 102; the pressure plate 103 is pushed into the slide groove 104, and the fixing screw 201 is used to limit the pressure plate 103 on the base 102, and then the fixing nut 202 is used to fix the fixing screw 201 on the base 102, thereby limiting the pressure plate 103 to prevent the pressure plate 103 from being easily pulled or pushed by external forces on the slide groove 104.

[0033] When a pressing device of this embodiment is in use, the pressure plate 103 is pushed into the slide groove 104, the fixing screw 201 is used to limit the pressure plate 103 on the base 102, and then the fixing nut 202 is used to fix the fixing screw 201 on the base 102, thereby limiting the pressure plate 103 and preventing the pressure plate 103 from being easily pulled or pushed on the slide groove 104 by external force.

[0034] What is disclosed above is only one or more preferred embodiments of the present application, and cannot be used to limit the scope of rights of the present application. Ordinary technicians in this field can understand that all or part of the processes of implementing the above embodiments and equivalent changes made according to the claims of the present application are still within the scope covered by the present application.

Claims

1. A pressing device, comprising a processing table, a base, a pressure plate, a pressing assembly and a fixing assembly, wherein the base is fixedly mounted on the processing table, the base has a slide groove, the pressure plate is mounted on the slide groove, the pressing assembly is mounted on the processing table, and the fixing assembly is mounted on the base, characterized in that: Also includes a limiter assembly; The limiting assembly includes a fixed plate, a supporting seat, a movable plate, a rubber pad, a threaded block and a movable member, the fixed plate is fixedly mounted on the pressure plate, the supporting seat is fixedly mounted on the fixed plate, there are two movable plates, two movable plates are respectively mounted on the pressure plate, the movable plate is slidably connected to the pressure plate, each movable plate is mounted with the rubber pad, each movable plate is also mounted with the threaded block, the fixed plate has a through hole, the threaded block cooperates with the through hole, and the movable member is mounted on the supporting seat.

2. The pressing device according to claim 1, characterized in that: The movable component includes a bearing, a bidirectional screw and a rotating component. The bearing is fixedly mounted on the support seat; the bidirectional screw is mounted on the bearing, and the bidirectional screw is rotatably connected to the bearing; the threaded block is mounted on the bidirectional screw, and the threaded block is threadedly connected to the bidirectional screw; the rotating component is mounted on the bidirectional screw.

3. The pressing device according to claim 2, characterized in that: The rotating component comprises a rotating rod and a handle. One end of the rotating rod is fixedly mounted on the bidirectional screw rod, and the other end of the rotating rod passes through the supporting seat and is mounted with the handle.

4. The pressing device according to claim 1, characterized in that: The pressing assembly includes a support frame, an electric cylinder, a driving shaft and a pressing plate. The support frame is fixedly mounted on the processing table; the electric cylinder is fixedly mounted on the support frame; one end of the driving shaft is fixedly connected to the output shaft of the electric cylinder, and the other end of the driving shaft is mounted with the pressing plate.

5. The pressing device according to claim 1, characterized in that: The fixing assembly includes a fixing screw and a fixing nut. There are two fixing screws. The two fixing screws are respectively installed on the base, penetrate the base, and abut against the pressure plate. The fixing nut is installed on each fixing screw, and the fixing nut is threadedly connected to the fixing screw.

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