Keyboard circuit board gum bubble pressing and removing device

Abstract

The utility model relates to the technical field of circuit board processing, and discloses a keyboard circuit board gum bubble pressing and removing device which comprises a machine table, the top of the machine table is fixedly connected with an extrusion mechanism, and the middle of the top of the machine table is fixedly connected with a clamping mechanism; the extrusion mechanism comprises a driving assembly and an adjusting assembly, and the adjusting assembly is arranged on the surface of the driving assembly; the surface of the driving assembly is provided with a top cover, the top cover is fixedly connected to the top of the machine table, the left end of the top cover is fixedly connected with a motor, the right end of the motor is fixedly connected with a lead screw, the surface of the lead screw is in threaded connection with a threaded block, the interior of the threaded block is fixedly connected with a first spring, and the bottom end of the first spring is fixedly connected with a supporting frame. According to the keyboard circuit board gum bubble pressing and removing device, through the arranged extrusion mechanism, when bubble pressing and removing are carried out, the surface of a workpiece can be protected through the elastic supporting acting force of a second spring, and the phenomenon that the workpiece is fractured when bubble pressing and removing are carried out is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board processing, in particular to a device for removing bubbles from the adhesive backing of a keyboard circuit board. Background Art

[0002] The keyboard circuit board is an important component in the keyboard that connects the keys and control circuits. It is widely used in electronic mechanical automation control, instrumentation, medical equipment, consumer electronics, computers, communications, measurement, household appliances, toys, etc.

[0003] According to announcement number CN216017284U, a PCB circuit board back glue bubble removal device is disclosed, which includes a base, a support frame, a pressure plate fixing seat, a pressure plate, a lifting cylinder, a pressing bottom plate, and a positioning plate. The support frame is vertically arranged on the base, the lifting cylinder is installed on the support frame, the telescopic rod of the lifting cylinder is connected to the pressure plate fixing seat, and the pressure plate is arranged below the pressure plate fixing seat.

[0004] The PCB circuit board back glue bubble removal device can remove the bubbles in the back glue under the pressure of the pressing plate during the bubble removal operation. However, the original solution lacks corresponding protection when removing the bubbles from the circuit board, which may cause the workpiece to be cracked during the bubble removal. Therefore, the device needs to be improved accordingly. Utility Model Content

[0005] The utility model aims to provide a keyboard circuit board back glue bubble removal device to solve the problems raised in the above background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a keyboard circuit board adhesive bubble pressing device, comprising a machine platform, a squeezing mechanism is fixedly connected to the top of the machine platform, and a clamping mechanism is fixedly connected to the middle of the top of the machine platform;

[0007] The extrusion mechanism includes a driving component and an adjusting component, and the adjusting component is arranged on the surface of the driving component;

[0008] The driving component surface has a top cover, which is fixedly connected to the top of the machine platform, the left end of the top cover is fixedly connected to a motor, the right end of the motor is fixedly connected to a screw, the surface of the screw is threadedly connected to a threaded block, the inside of the threaded block is fixedly connected to a first spring, the bottom end of the first spring is fixedly connected to a support frame, the inside of the support frame is rotatably connected to a rotating rod, the middle of the rotating rod surface is fixedly connected to an extrusion roller, both ends of the rotating rod are respectively fixedly connected to gears, and the surface of the gear is meshingly connected to a rack.

[0009] Preferably, a guide groove is provided inside the top end of the top cover, and the surface of the threaded block is slidably connected to the inside of the guide groove, so that the threaded block can move accordingly under the limit of the inside of the guide groove.

[0010] Preferably, the adjustment assembly includes a second spring, the second spring is fixedly connected to the top of the top cover, the top of the second spring is fixedly connected to a T-shaped rod, the bottom end of the T-shaped rod is fixedly connected to a support seat, the two ends of the top of the support seat are respectively fixedly connected to limit rods, the surface of the support seat is located inside the top cover, and the surface of the rack is fixedly connected to the bottom end of the support seat.

[0011] Preferably, a through hole is provided inside the top cover, and the surface of the T-shaped rod passes through the through hole provided inside the top cover, so that the T-shaped rod can perform a supporting function under the limit position in the through hole provided inside the top cover.

[0012] Preferably, rectangular holes are respectively provided inside the two ends of the second spring, and the surface of the limiting rod is slidably connected to the inside of the rectangular hole.

[0013] Preferably, the clamping mechanism includes an L-shaped frame, which is fixedly connected to the middle of the top of the machine platform, a third spring is fixedly connected to the top of the L-shaped frame, a T-shaped bar is fixedly connected to the top of the third spring, a clamping block is fixedly connected to the bottom end of the T-shaped bar, an inclined block is provided on the surface of the clamping block, and an adjusting screw is fixedly connected to the left end of the inclined block.

[0014] Preferably, a threaded hole is provided inside the L-shaped frame, and the surface of the adjusting screw is threadedly connected to the inside of the threaded hole, so that the adjusting screw can adjust the clamping of the workpiece inside the threaded hole.

[0015] Compared with the prior art, the utility model provides a keyboard circuit board adhesive bubble removal device, which has the following beneficial effects:

[0016] The keyboard circuit board back glue bubble removal device, through the provided extrusion mechanism, the gear rotates under the action of the rack, thereby driving the support frame to rotate while squeezing the workpiece and removing bubbles. In addition, when removing bubbles, the elastic supporting force of the second spring can be used to protect the surface of the workpiece to prevent the workpiece from being crushed when removing bubbles.

[0017] The keyboard circuit board back glue bubble removal device places the workpiece at the bottom of the clamping block through a set clamping mechanism, then rotates the adjusting screw to drive the inclined block to move under the limit at the bottom of the L-shaped frame, and then pushes the clamping block downward to overcome the force of the third spring, thereby driving the clamping block to clamp and fix the workpiece. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the following briefly introduces the drawings required for use in the description of the embodiments. Obviously, the drawings described below are only some embodiments of the present invention. For those skilled in the art, other drawings can be obtained based on these drawings without creative labor:

[0019] Figure 1 It is a three-dimensional diagram of the overall structure of the utility model;

[0020] Figure 2 This is a three-dimensional split cross-sectional view of the drive assembly of the utility model;

[0021] Figure 3 This is a three-dimensional diagram of the adjustment component of the utility model;

[0022] Figure 4 This is a three-dimensional exploded view of the clamping mechanism of the utility model.

[0023] In the figure: 1. machine table; 2. extrusion mechanism; 21. drive assembly; 211. top cover; 212. motor; 213. screw rod; 214. threaded block; 2141. first spring; 215. support frame; 216. extrusion roller; 217. rotating rod; 218. gear; 219. rack; 22. adjustment assembly; 221. second spring; 222. T-shaped rod; 223. support seat; 224. limit rod; 3. clamping mechanism; 31. L-shaped frame; 32. third spring; 33. T-shaped bar; 34. clamping block; 35. adjusting screw; 36. inclined block. DETAILED DESCRIPTION

[0024] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0025] In the present invention, unless otherwise clearly specified and limited, the terms "install", "connect", "connect", "fix" and the like should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection or an indirect connection through an intermediate medium, it can be the internal connection of two elements or the interaction relationship between two elements. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0026] The utility model provides the following technical solutions:

[0027] Embodiment 1

[0028] Combination Figures 2 to 4 , a keyboard circuit board back glue bubble pressing device, comprising a machine platform 1, a pressing mechanism 2 is fixedly connected to the top of the machine platform 1, and a clamping mechanism 3 is fixedly connected to the middle of the top of the machine platform 1;

[0029] The extrusion mechanism 2 includes a driving component 21 and an adjusting component 22, and the adjusting component 22 is arranged on the surface of the driving component 21;

[0030] The driving component 21 has a top cover 211 on the surface, which is fixedly connected to the top of the machine 1. The left end of the top cover 211 is fixedly connected to a motor 212, and the right end of the motor 212 is fixedly connected to a screw rod 213. The surface of the screw rod 213 is threadedly connected to a thread block 214, and the inside of the thread block 214 is fixedly connected to a first spring 2141. The bottom end of the first spring 2141 is fixedly connected to a support frame 215, and the inside of the support frame 215 is rotatably connected to a rotating rod 217. The middle of the surface of the rotating rod 217 is fixedly connected to an extrusion roller 216, and the two ends of the rotating rod 217 are respectively fixedly connected to gears 218. The surface of the wheel 218 is meshedly connected with a rack 219, a guide groove is provided inside the top of the top cover 211, the surface of the threaded block 214 is slidably connected to the inside of the guide groove, the adjustment component 22 includes a second spring 221, the second spring 221 is fixedly connected to the top of the top cover 211, the top of the second spring 221 is fixedly connected with a T-shaped rod 222, the bottom end of the T-shaped rod 222 is fixedly connected to a support seat 223, the two ends of the top of the support seat 223 are respectively fixedly connected to a limiting rod 224, the surface of the support seat 223 is located inside the top cover 211, and the surface of the rack 219 is fixedly connected to the bottom end of the inside of the support seat 223.

[0031] Furthermore, a through hole is opened inside the top cover 211, the surface of the T-shaped rod 222 passes through the through hole opened inside the top cover 211, rectangular holes are opened inside the two ends of the second spring 221 respectively, the surface of the limiting rod 224 is slidably connected with the inside of the rectangular hole, and the gear 218 rotates under the action of the rack 219, thereby driving the support frame 215 to rotate while squeezing the workpiece and removing bubbles. In addition, when removing bubbles, the elastic supporting force of the second spring 221 can be used to protect the surface of the workpiece to prevent the workpiece from being crushed when removing bubbles.

[0032] Embodiment 2

[0033] See also Figure 1-4On the basis of the first embodiment, the clamping mechanism 3 further comprises an L-shaped frame 31, the L-shaped frame 31 is fixedly connected to the middle of the top of the machine platform 1, a third spring 32 is fixedly connected to the top of the L-shaped frame 31, a T-shaped bar 33 is fixedly connected to the top of the third spring 32, a clamping block 34 is fixedly connected to the bottom end of the T-shaped bar 33, an inclined block 36 is arranged on the surface of the clamping block 34, and an adjusting screw 35 is fixedly connected to the left end of the inclined block 36.

[0034] Furthermore, a threaded hole is opened inside the L-shaped frame 31, and the surface of the adjusting screw 35 is threadedly connected to the inside of the threaded hole. The workpiece is placed at the bottom of the clamping block 34, and then the adjusting screw 35 is rotated to drive the inclined block 36 to move under the limit at the bottom of the L-shaped frame 31, and then the clamping block 34 is pushed downward to overcome the force of the third spring 32, thereby driving the clamping block 34 to clamp and fix the workpiece.

[0035] In actual operation, when the device is used, when removing bubbles from the adhesive backing of the keyboard circuit board, the workpiece is first clamped, and the workpiece is placed at the bottom of the clamping block 34, and then the adjusting screw 35 is rotated to drive the inclined block 36 to move under the limit at the bottom of the L-shaped frame 31, and then the clamping block 34 is pushed downward to overcome the force of the third spring 32, so that the clamping block 34 can be driven to clamp and fix the workpiece;

[0036] Later, when the bubbles are being compressed, the motor 212 drives the screw rod 213 to rotate, drives the threaded block 214 and the rotating rod 217 to move, and then drives the gear 218 to rotate under the action of the rack 219, thereby driving the support frame 215 to rotate while squeezing the workpiece and compressing the bubbles. In addition, when the bubbles are being compressed, the elastic supporting force of the second spring 221 can be used to protect the surface of the workpiece to prevent the workpiece from being crushed when the bubbles are being compressed.

[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device. In the absence of further restrictions, the elements defined by the statement "comprise a ..." do not exclude the presence of other identical elements in the process, method, article or device including the elements.

Claims

1. A keyboard circuit board adhesive bubble removal device, comprising a machine (1), characterized in that: The top of the machine platform (1) is fixedly connected to a pressing mechanism (2), and the middle of the top of the machine platform (1) is fixedly connected to a clamping mechanism (3); The extrusion mechanism (2) comprises a driving component (21) and an adjusting component (22), wherein the adjusting component (22) is arranged on the surface of the driving component (21); The driving assembly (21) has a top cover (211) on its surface. The top cover (211) is fixedly connected to the top of the machine platform (1). The left end of the top cover (211) is fixedly connected to a motor (212). The right end of the motor (212) is fixedly connected to a screw rod (213). The surface of the screw rod (213) is threadedly connected to a threaded block (214). The threaded block (214) is fixedly connected to a first spring (2141) inside. The bottom end of the first spring (2141) is fixedly connected to a support frame (215). The support frame (215) is rotatably connected to a rotating rod (217) inside. The middle of the surface of the rotating rod (217) is fixedly connected to an extrusion roller (216). The two ends of the rotating rod (217) are respectively fixedly connected to gears (218). The surface of the gear (218) is meshingly connected to a rack (219).

2. The keyboard circuit board adhesive bubble removal device according to claim 1, characterized in that: A guide groove is provided inside the top end of the top cover (211), and the surface of the threaded block (214) is slidably connected to the inside of the guide groove.

3. The keyboard circuit board adhesive bubble removal device according to claim 1, characterized in that: The adjustment assembly (22) comprises a second spring (221), the second spring (221) being fixedly connected to the top of the top cover (211), the top of the second spring (221) being fixedly connected to a T-shaped rod (222), the bottom of the T-shaped rod (222) being fixedly connected to a support seat (223), the top ends of the support seat (223) being fixedly connected to limiting rods (224) respectively, the surface of the support seat (223) being located inside the top cover (211), and the surface of the rack (219) being fixedly connected to the bottom end inside the support seat (223).

4. The keyboard circuit board adhesive bubble removal device according to claim 3, characterized in that: A through hole is provided inside the top cover (211), and the surface of the T-shaped rod (222) passes through the through hole provided inside the top cover (211).

5. The keyboard circuit board adhesive bubble removal device according to claim 3, characterized in that: Rectangular holes are respectively provided inside the two ends of the second spring (221), and the surface of the limiting rod (224) is slidably connected to the inside of the rectangular hole.

6. The keyboard circuit board adhesive bubble removal device according to claim 1, characterized in that: The clamping mechanism (3) comprises an L-shaped frame (31), the L-shaped frame (31) being fixedly connected to the middle of the top of the machine platform (1), the top of the L-shaped frame (31) being fixedly connected to a third spring (32), the top of the third spring (32) being fixedly connected to a T-shaped bar (33), the bottom of the T-shaped bar (33) being fixedly connected to a clamping block (34), the surface of the clamping block (34) being provided with an inclined block (36), and the left end of the inclined block (36) being fixedly connected to an adjusting screw (35).

7. The keyboard circuit board adhesive bubble removal device according to claim 6, characterized in that: A threaded hole is provided inside the L-shaped frame (31), and the surface of the adjusting screw rod (35) is threadedly connected to the inside of the threaded hole.

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