PCB (Printed Circuit Board) double-jointed board cutting equipment and PCB double-jointed board cutting process

Abstract

The invention discloses a double-jointed PCB (printed circuit board) cutting device and a double-jointed PCB cutting process. The PCB double-jointed board cutting equipment comprises a feeding assembly line, a cutting device and a discharging assembly line which are sequentially arranged along a straight line. The feeding assembly line comprises two feeding mechanisms arranged in a spaced mode, and a through type conveying device is arranged between the two feeding mechanisms. A plurality of double-jointed PCBs are sequentially and adjacently arranged on the feeding assembly line along a straight line, and the through type conveying device is used for separating the double-jointed PCBs on the feeding assembly line one by one and pushing the double-jointed PCBs to the cutting device and the discharging assembly line one by one so as to achieve cutting and discharging. According to the PCB double-jointed board cutting equipment and the PCB double-jointed board cutting process, the middle joint strip is stably removed, the edges of the two PCBs cannot be broken, and a simple and efficient structure is used for efficiently cutting a large batch of boards.

Description

Technical Field

[0001] The present invention relates to the technical field of PCB production, and particularly to a PCB double-panel splitting device and a PCB double-panel splitting process. Background Art

[0002] As Figure 1 shown, it is a schematic diagram of realizing PCB production and manufacturing by using double-panel technology. It can be understood that two base materials 11 are spliced together, and a stable connection is formed between the two base materials 11 through an intermediate splicing strip 12. The two base materials are connected together and processed through each process simultaneously, which can greatly improve production efficiency. In the later stage of production, it is necessary to perform splitting treatment on the above-mentioned board to remove the intermediate splicing strip to obtain two independent PCB boards.

[0003] How to stably remove the intermediate splicing strip without causing the edges of the two PCB boards to break, and how to efficiently split a large number of boards with a simple structure are technical problems that non-standard automation engineers need to solve during design. Summary of the Invention

[0004] The purpose of the present invention is to overcome the deficiencies in the prior art, and provide a PCB double-panel splitting device and a PCB double-panel splitting process, which can stably remove the intermediate splicing strip without causing the edges of the two PCB boards to break, and efficiently split a large number of boards with a simple and efficient structure.

[0005] The purpose of the present invention is achieved by the following technical solutions:

[0006] A PCB double-panel splitting device includes a loading conveyor line, a splitting device, and an unloading conveyor line arranged in sequence along a straight line;

[0007] The loading conveyor line includes two loading mechanisms arranged at intervals, and a through-type conveying device is provided between the two loading mechanisms;

[0008] A number of PCB double panels are arranged adjacent to each other in sequence along a straight line on the loading conveyor line, and the through-type conveying device is used to separate and push each of the PCB double panels on the loading conveyor line one by one to the splitting device and the unloading conveyor line to achieve splitting and unloading.

[0009] In one embodiment,

[0010] The loading mechanism includes: side plates, a loading conveyor belt wound around the side plates, and a loading motor drivingly connected to the loading conveyor belt; a loading separation block is provided on the side plates;

[0011] The through - type conveying device includes a conveying substrate and a conveying wire cylinder for driving the reciprocating movement of the conveying substrate; a separating and pushing block is provided on the conveying substrate;

[0012] A number of PCB double - panel boards are arranged in a straight line adjacent to each other in sequence and pressed on the feeding conveyor belt, and the feeding separation block blocks the front - most PCB double - panel board;

[0013] The conveying wire cylinder drives the conveying substrate to retract so that the separating and pushing block jacks up the front - most PCB double - panel board, one end of the front - most PCB double - panel board tilts up, and the feeding conveyor belt drives the front - most PCB double - panel board to cross over the feeding separation block through frictional force. The rear - most PCB double - panel board is blocked by the feeding separation block, and the conveying wire cylinder drives the conveying substrate to advance so that the separating and pushing block pushes the front - most PCB double - panel board to the cutting device and the blanking production line to achieve cutting and blanking.

[0014] In one embodiment, the feeding separation block is in a semi - cylindrical structure, and the feeding separation block has a flat side facing the feeding conveyor belt and a semi - circular arc - shaped side facing away from the feeding conveyor belt.

[0015] In one embodiment, the separating and pushing block is in a wedge - shaped block structure, and the separating and pushing block has a flat pushing surface facing the cutting device and an inclined jacking surface facing away from the cutting device.

[0016] In one embodiment, the cutting device includes: a clamping fixture, a cantilever bracket arranged above the clamping fixture, and a cutting inclined knife installed on the cantilever bracket;

[0017] The clamping fixture includes a fixture body and clamping pieces located on both sides of the fixture body; a blanking hole is formed in the fixture body, and the blanking hole is located below the cutting inclined knife;

[0018] Among them, the cutting inclined knife has a blade forming an inclination angle with the horizontal plane.

[0019] In one embodiment, the fixture body is further provided with limit guiding grooves respectively located on both sides of the blanking hole, and the conveying substrate can slide in the limit guiding grooves.

[0020] A PCB double - panel board cutting process, based on the above - mentioned PCB double - panel board cutting equipment, includes the following steps:

[0021] Step 1, arrange a number of PCB double - panel boards in a straight line adjacent to each other in sequence and press them on the feeding conveyor belt. The feeding motor drives the several PCB double - panel boards on it to move forward through the feeding conveyor belt, and the several PCB double - panel boards are blocked by the feeding separation block and generate sliding frictional force with the feeding conveyor belt;

[0022] Step 2: The transfer wire cylinder drives the transfer substrate to retract, so that the separation push block lifts the front PCB double-panel board, one end of the PCB double-panel board warps up, and the feeding conveyor belt drives the front PCB double-panel board to cross the feeding separation block through friction. The rear PCB double-panel board continues to be blocked by the feeding separation block.

[0023] Step 3: The transfer wire cylinder drives the transfer substrate to advance, so that the separation push block pushes the front PCB double-panel board to the cutting device and the blanking production line. The cutting device removes the intermediate splicing strip to obtain two independent PCB boards, and the blanking production line blanks the two independent PCB boards.

[0024] In one embodiment, in Step 2, first, the separation push block lifts the front PCB double-panel board to make one end warp up. Then, the feeding conveyor belt drives the front PCB double-panel board to continue moving forward through friction. When half of the board body of the front PCB double-panel board crosses the feeding separation block, affected by gravity, the originally warped end presses on the feeding conveyor belt again. Finally, the feeding conveyor belt drives the front PCB double-panel board to continue moving forward through friction, so that the front PCB double-panel board can completely cross the feeding separation block.

[0025] A PCB double-panel board cutting device and a PCB double-panel board cutting process of the present invention stably remove the intermediate splicing strip without causing the edges of the two PCB boards to break, and efficiently cut a large number of boards by using a simple and efficient structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following will briefly introduce the drawings required for use in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention, and therefore should not be regarded as limiting the scope. For those of ordinary skill in the art, other related drawings can be obtained based on these drawings without creative efforts.

[0027] Figure 1 Schematic diagram for realizing PCB production and manufacturing by using double-panel board technology;

[0028] Figure 2 Structural diagram of a PCB double-panel board cutting device according to an embodiment of the present invention;

[0029] Figure 3 For Figure 2 Partial view (I) of the PCB double-panel board cutting device shown;

[0030] Figure 4 For Figure 2 Partial view (II) of the PCB double-panel board cutting device shown;

[0031] Figure 5 A schematic diagram of arranging several PCB double panels in a straight line in sequence and pressing them on a feeding conveyor belt;

[0032] Figure 6 This is a schematic diagram of the front PCB double-jointed board being blocked by the loading separation block;

[0033] Figure 7 This is a schematic diagram showing that one end of the front PCB double-jointed board is tilted;

[0034] Figure 8 This is a schematic diagram of the front half of the front PCB double-piece board crossing the loading separation block;

[0035] Figure 9 This is a schematic diagram of the rear half of the front PCB double-piece board crossing the loading separation block;

[0036] Figure 10 Schematic diagram of the separation push block pushing the front PCB double-piece board to the cutting device and the unloading assembly line;

[0037] Figure 11 A schematic diagram showing a separation push block pushing the front PCB double-piece board to the cutting device to achieve cutting. DETAILED DESCRIPTION

[0038] In order to facilitate the understanding of the present invention, the present invention will be described more fully below with reference to the relevant drawings. The preferred embodiments of the present invention are given in the drawings. However, the present invention can be implemented in many different forms and is not limited to the embodiments described herein. On the contrary, the purpose of providing these embodiments is to make the disclosure of the present invention more thoroughly understood.

[0039] It should be noted that when an element is referred to as being "fixed to" another element, it may be directly on the other element or there may be a central element. When an element is considered to be "connected to" another element, it may be directly connected to the other element or there may be a central element at the same time. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only and do not represent the only implementation method.

[0040] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0041] likeFigure 2 As shown, the present invention discloses a PCB double-panel splitting device 20, which includes a feeding assembly line 100, a splitting device 200, and a discharging assembly line 300 arranged in sequence along a straight line.

[0042] As Figure 2 and Figure 3 shown, the feeding assembly line 100 includes two feeding mechanisms 110 arranged at intervals, and a through-type conveying device 400 is provided between the two feeding mechanisms 110.

[0043] A number of PCB double panels 10 are arranged adjacent to each other in sequence along a straight line on the feeding assembly line 100. The through-type conveying device 400 is used to separate and push each of the PCB double panels 10 on the feeding assembly line 100 to the splitting device 200 and the discharging assembly line 300 in sequence to achieve splitting and discharging.

[0044] Next, the specific structure of the above-mentioned PCB double-panel splitting device 20 will be described:

[0045] As Figure 3 shown, the feeding mechanism 110 includes: side plates 111, a feeding conveyor belt 112 wound around the side plates 111, and a feeding motor 113 drivingly connected to the feeding conveyor belt 112. A feeding separation block 114 is provided on the side plates 111.

[0046] As Figure 3 shown, the through-type conveying device 400 includes a conveying substrate 410 and a conveying wire cylinder 420 for driving the reciprocating movement of the conveying substrate 410. A separation and pushing block 430 is provided on the conveying substrate 410. The separation and pushing block 430 mainly has two functions. On the one hand, it is used to separate the closely connected PCB double panels one by one, and on the other hand, it is used to push the separated PCB double panels to the next station.

[0047] As Figure 5 shown, a number of PCB double panels 10 are arranged adjacent to each other in sequence along a straight line and pressed on the feeding conveyor belt 112, and the feeding separation block 114 blocks the front PCB double panel.

[0048] The conveying wire cylinder 420 drives the conveying substrate 410 to retract so that the separation and pushing block 430 lifts the front PCB double panel, one end of the front PCB double panel warps up, and the feeding conveyor belt 112 drives the front PCB double panel over the feeding separation block 114 through friction. The rear PCB double panel is blocked by the feeding separation block 114, and the conveying wire cylinder 420 drives the conveying substrate 410 to advance so that the separation and pushing block 430 pushes the front PCB double panel to the splitting device 200 and the discharging assembly line 300 to achieve splitting and discharging.

[0049] Preferably, as Figure 3As shown, the loading separation block 114 has a semi-cylindrical structure. The loading separation block 114 has a flat side 1141 facing the loading conveyor belt 112 and a semi-circular arc-shaped side 1142 facing away from the loading conveyor belt 112.

[0050] Preferably, as Figure 3 shown, the separation pushing block 430 has a wedge-shaped block structure. The separation pushing block 430 has a flat pushing surface 431 facing the cutting device 200 and an inclined top surface 432 facing away from the cutting device 200.

[0051] Next, the specific structure of the cutting device 200 will be described (as Figure 4 shown):

[0052] The cutting device 200 includes: a clamping fixture 210, a cantilever bracket 220 provided above the clamping fixture 210, and a cutting inclined knife 230 mounted on the cantilever bracket 220.

[0053] The clamping fixture 210 includes a fixture body 211 and clamping pieces 212 located on both sides of the fixture body 211; a blanking hole 213 is formed in the fixture body 211, and the blanking hole 213 is located below the cutting inclined knife 230.

[0054] Among them, the cutting inclined knife 230 has a cutting edge forming an inclination angle with the horizontal plane.

[0055] As Figure 4 shown, further, the fixture body 211 is also provided with limit guiding grooves 214 respectively located on both sides of the blanking hole 213, and the transfer substrate 410 can slide in the limit guiding grooves 214.

[0056] Next, the working principle of the above PCB double-panel cutting device 20 will be described:

[0057] As Figure 5 and Figure 6 shown, a plurality of PCB double panels 10 are arranged in a straight line adjacent to each other in sequence and pressed on the loading conveyor belt 112. The loading motor 113 causes the plurality of PCB double panels 10 thereon to move forward through the loading conveyor belt 112; in this state, the plurality of PCB double panels 10 are arranged in a straight line adjacent to each other in sequence, and there is no gap between adjacent PCB double panels, which will cause it difficult for the through-type conveying device 400 to separate the frontmost PCB double panel therefrom, affecting the subsequent cutting process;

[0058] Therefore, the present invention provides three mutually cooperating structures, namely the loading conveyor belt 112, the loading separation block 114, and the separation pushing block 430, to realize the continuous transmission, separate separation, cutting, and blanking of the PCB double panel 10 by using a more concise mechanical structure;

[0059] Define the double-sided PCB board 10 that is currently directly blocked by the loading separation block 114 as the front double-sided PCB board, and define the other double-sided PCB boards that have not yet contacted the loading separation block 114 as the rear double-sided PCB boards;

[0060] As Figure 7 shown, the transfer wire cylinder 420 drives the transfer substrate 410 to retract so that the separation push block 430 lifts the front double-sided PCB board. During the retraction of the transfer substrate 410, the inclined lifting surface 432 on the side away from the cutting device 200 can smoothly lift one end of the front double-sided PCB board, so one end of the double-sided PCB board warps up;

[0061] The loading conveyor belt 112 drives the front double-sided PCB board over the loading separation block 114 through friction; the specific description of this crossing process is as follows (as Figure 8 and Figure 9 shown): The loading conveyor belt 112 drives the front double-sided PCB board to move forward through friction (the rear double-sided PCB boards will also provide a thrust for the front double-sided PCB board). When half of the board body of the front double-sided PCB board has passed over the loading separation block and is also affected by gravity, the originally warped end is pressed against the loading conveyor belt 112 again. Finally, the loading conveyor belt 112 drives the front double-sided PCB board to continue moving forward through friction, so that the front double-sided PCB board can completely pass over the loading separation block 114; during the process of the front double-sided PCB board crossing the loading separation block 114, the transfer wire cylinder 420 simultaneously drives the transfer substrate 410 to move forward appropriately to the position of the loading separation block 114 (as Figure 8 and Figure 9 shown), on the one hand, it boosts the crossing of the double-sided PCB board, and on the other hand, it prevents the other adjacent double-sided PCB board from being affected and warping up; since the loading separation block 114 has a semi-circular arc side surface 1142 on the side facing away from the loading conveyor belt 112, this semi-circular arc side surface 1142 provides conditions for the smooth crossing of the front double-sided PCB board;

[0062] As Figure 10 and Figure 11 shown, when the front double-sided PCB board walks in front of the separation push block 430 under the action of the loading conveyor belt 112, the transfer wire cylinder 420 drives the transfer substrate 410 to advance so that the separation push block 430 pushes the front double-sided PCB board to the cutting device 200 and the blanking production line 300. The cutting device 200 removes the intermediate splicing strip to obtain two independent PCB boards, and the blanking production line 300 blanks the two independent PCB boards;

[0063] With the thrust of the separation push block 430, the double-sided PCB board is pushed forward. The two sides of the double-sided PCB board are clamped by the clamping pieces 212 on both sides. Since the cutting inclined knife 230 has a blade forming an inclination angle with the horizontal plane, the middle splicing strip on the double-sided PCB board forms a point contact with the blade, and the force between the blade and the middle splicing strip acts on a single point, so that the middle splicing strip is gradually separated. Such a design is not likely to cause the edges of the two PCB boards to break.

[0064] Next, the structural design features of the above-mentioned double-sided PCB board cutting device 20 will be described:

[0065] 1. In the present invention, the separation push block 430 not only plays the role of separating the double-sided PCB board, but also plays the role of pushing the double-sided PCB board. When designing, it is necessary to make the position of the separation push block 430 slightly higher than the double-sided PCB board. In this way, the separation push block 430 can apply force to the double-sided PCB board to achieve pushing. However, this will also cause the technical problem that the separation push block 430 hinders the double-sided PCB board; Coincidentally, when the separation push block 430 jacks up one end of the double-sided PCB board, the double-sided PCB board can smoothly cross the separation push block 430 by virtue of the friction force of the feeding conveyor belt 112 and the jacking force of the feeding separation block 114. It can be imagined that when the double-sided PCB board crosses the feeding separation block 114, the separation push block 430 is temporarily below the double-sided PCB board (as Figure 8 and Figure 9 shown); and when the double-sided PCB board completely crosses the feeding separation block 114, the separation push block 430 is behind the double-sided PCB board again (as Figure 10 shown). Then, the separation push block 430 can then push the double-sided PCB board forward; as long as the separation push block 430 reciprocates back and forth, the separation and pushing work of the double-sided PCB board can be achieved, which is very simple and efficient;

[0066] 2. In the present invention, it is necessary to make several double-sided PCB boards be separated one by one and pushed by the separation push block 430 to the next cutting station. For this reason, the feeding separation block 114 is designed to temporarily block several double-sided PCB boards. Under the action of the separation push block 430, one end of the front double-sided PCB board will be jacked up. At the same time, under the friction force of the feeding conveyor belt 112, the front double-sided PCB board will smoothly cross the feeding separation block 114, thus completing the one-by-one separation work of the double-sided PCB board; It can be seen that the feeding conveyor belt 112, the feeding separation block 114, and the separation push block 430 cooperate skillfully and synergistically. Without additional complex devices, the feeding, separation, cutting, and discharging work of the double-sided PCB board can be completed;

[0067] 3. In the present invention, the through-type conveying device 400 plays a role in threading the needle. The feeding assembly line 100, the splitting device 200, and the discharging assembly line 300 are connected through the through-type conveying device 400, realizing the feeding, splitting, and discharging of the PCB double-sided board.

[0068] The present invention also discloses a splitting process for the PCB double-sided board. Based on the above-mentioned splitting equipment for the PCB double-sided board, it includes the following steps:

[0069] Step 1: Arrange a plurality of PCB double-sided boards in a straight line adjacent to each other in sequence and press them on the feeding conveyor belt. The feeding motor drives the plurality of PCB double-sided boards on the feeding conveyor belt to move forward. The plurality of PCB double-sided boards are blocked by the feeding separation block and generate sliding friction with the feeding conveyor belt.

[0070] Step 2: The transfer wire cylinder drives the transfer substrate to retract so that the separation push block lifts the front PCB double-sided board, and one end of the PCB double-sided board is lifted. The feeding conveyor belt drives the front PCB double-sided board over the feeding separation block through friction, and the rear PCB double-sided board continues to be blocked by the feeding separation block.

[0071] Step 3: The transfer wire cylinder drives the transfer substrate to advance so that the separation push block pushes the front PCB double-sided board to the splitting device and the discharging assembly line. The splitting device removes the intermediate splicing strip to obtain two independent PCB boards, and the discharging assembly line discharges the two independent PCB boards.

[0072] In Step 2, first, the separation push block lifts the front PCB double-sided board to make one end of it lift. Then, the feeding conveyor belt drives the front PCB double-sided board to continue moving forward through friction. When half of the board body of the front PCB double-sided board passes over the feeding separation block, affected by gravity, the originally lifted end is pressed on the feeding conveyor belt again. Finally, the feeding conveyor belt drives the front PCB double-sided board to continue moving forward through friction, so that the front PCB double-sided board can completely pass over the feeding separation block.

[0073] The above-described embodiments only represent several implementation manners of the present invention. The description is relatively specific and detailed, but it should not be construed as a limitation on the scope of the invention patent. It should be noted that for those of ordinary skill in the art, without departing from the concept of the present invention, several deformations and improvements can still be made, and these all belong to the protection scope of the present invention. Therefore, the protection scope of the present invention patent shall be subject to the appended claims.

Claims

1. A PCB double-piece cutting device, characterized in that: It includes a loading line, a cutting device, and a unloading line arranged in sequence along a straight line; The feeding assembly line comprises two feeding mechanisms spaced apart from each other, and a through-type conveying device is provided between the two feeding mechanisms; A plurality of PCB double panels are arranged closely in sequence along a straight line on the loading assembly line, and the through-type conveying device is used to separate the plurality of PCB double panels on the loading assembly line one by one and push them one by one to the cutting device and the unloading assembly line to realize cutting and unloading.

2. The PCB double-panel cutting device according to claim 1 is characterized in that: The feeding mechanism comprises: a side plate, a feeding conveyor belt wound on the side plate, and a feeding motor drivingly connected to the feeding conveyor belt; a feeding separation block is provided on the side plate; The through-type conveying device comprises a conveying substrate and a conveying wire cylinder for driving the conveying substrate to reciprocate; a separation push block is provided on the conveying substrate; A plurality of PCB double panels are arranged closely in sequence along a straight line and pressed on the feeding conveyor belt, and the feeding separation block blocks the front PCB double panels; The conveying wire cylinder drives the conveying substrate to retract so that the separation pushing block lifts up the front PCB double-piece board, and one end of the front PCB double-piece board is tilted. The loading conveyor belt drives the front PCB double-piece board to pass over the loading separation block through friction, and the rear PCB double-piece board is blocked by the loading separation block. The conveying wire cylinder drives the conveying substrate to move forward so that the separation pushing block pushes the front PCB double-piece board to the cutting device and the unloading assembly line to realize cutting and unloading.

3. The PCB double-panel cutting device according to claim 2 is characterized in that: The feeding separation block is a semi-cylindrical structure, and has a flat side facing the feeding conveyor belt and a semi-circular side facing away from the feeding conveyor belt.

4. The PCB double-piece cutting device according to claim 3 is characterized in that: The separation pushing block is a wedge-shaped block structure, and the separation pushing block has a flat pushing surface facing one side of the cutting device and an inclined pushing surface facing away from the one side of the cutting device.

5. The PCB double-panel cutting device according to claim 2, characterized in that: The cutting device comprises: a clamping fixture, a cantilever bracket arranged above the clamping fixture, and a cutting bevel knife installed on the cantilever bracket; The clamping jig comprises a jig body and clamping pieces located on both sides of the jig body; a blanking hole is provided on the jig body, and the blanking hole is located below the cutting bevel knife; Wherein, the cutting bevel knife has a blade which forms an inclined angle with a horizontal plane.

6. The PCB double-panel cutting device according to claim 5, characterized in that: The fixture body is also provided with limiting guide grooves respectively located on both sides of the blanking hole, and the conveying substrate can slide in the limiting guide grooves.

7. A PCB double-piece cutting process, characterized in that: The PCB double-piece cutting device according to any one of claims 2 to 6 comprises the following steps: Step 1: Arrange several PCB double panels in a straight line and press them on a feeding conveyor belt. The feeding motor drives the several PCB double panels on the feeding conveyor belt to move forward. The several PCB double panels are blocked by the feeding separation block and generate sliding friction with the feeding conveyor belt. Step 2: The conveying wire cylinder drives the conveying substrate to retract so that the separation push block lifts up the front PCB double-joined board, and one end of the PCB double-joined board tilts up. The feeding conveyor belt drives the front PCB double-joined board to pass over the feeding separation block through friction, and the rear PCB double-joined board continues to be blocked by the feeding separation block; Step three, the conveying wire cylinder drives the conveying substrate forward so that the separation pushing block pushes the front PCB double-jointed board to the cutting device and the unloading assembly line. The cutting device removes the middle splicing strip to obtain two independent PCB boards, and the unloading assembly line unloads the two independent PCB boards.

8. The PCB double-panel cutting process according to claim 7, characterized in that: In step two, first, the separation push block lifts up the front PCB double-piece board so that one end is tilted, and then the loading conveyor belt drives the front PCB double-piece board to continue to move forward through friction. When half of the board body of the front PCB double-piece board passes over the loading separation block, the originally tilted end is pressed on the loading conveyor belt again due to gravity. Finally, the loading conveyor belt drives the front PCB double-piece board to continue to move forward through friction, so that the front PCB double-piece board can completely pass over the loading separation block.

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