PCB (Printed Circuit Board) splitting and positioning jig

Abstract

The utility model discloses a PCB (Printed Circuit Board) splitting and positioning jig, which comprises a positioning substrate and a positioning cover plate in pivot connection with the positioning substrate, the positioning substrate and the positioning cover plate are covered to form a limiting space for limiting a product, and an outer frame positioning assembly and a product positioning assembly which are fixedly arranged on the positioning substrate are arranged in the limiting space. The outer frame positioning assembly at least comprises two outer frame positioning pins and a set of outer frame supporting columns, the set of outer frame supporting columns are arranged at intervals and evenly distributed along the edge of a product outer frame to form a first supporting face matched with the product outer frame, the two outer frame positioning pins are vertically arranged in the diagonal direction of the product outer frame, and the two outer frame positioning pins are vertically arranged along the diagonal direction of the product outer frame to form a second supporting face matched with the product outer frame. A product outer frame is positioned; at least one inner frame used for containing a product is arranged in the product outer frame, the product positioning assembly at least comprises two first product positioning pins and a set of product supporting rods, and the set of product supporting rods are vertically arranged in the inner frame and form a second supporting face matched with the back face of the product. The two first product positioning pins are arranged in the diagonal direction of the inner frame and used for positioning a product. A group of cutting points are distributed on the edge of the inner frame, and first through holes for exposing the cutting points are formed in the positioning cover plate. According to the scheme, the outer frame positioning assembly, the product positioning assembly, the first cover body positioning pin and the second cover body positioning pin are arranged to generate triple positioning on the to-be-cut product, the position stability of the product and the product outer frame is guaranteed through layer-by-layer positioning, and then the cutting precision is guaranteed.

Description

Technical Field

[0001] This utility model relates to the field of positioning fixture technology, and specifically to a PCB board separation positioning fixture. Background Technology

[0002] In the PCB manufacturing process, multiple products may be mounted on a single board, connected by connection points. This necessitates the individual cutting and separation of these products. During cutting, the boards must first be positioned before cutting. Therefore, the positioning accuracy of the PCB directly affects the precision of the final cut product. Existing positioning fixtures suffer from drawbacks such as inconvenient operation and low positioning accuracy, necessitating more convenient and precise positioning fixtures. Utility Model Content

[0003] The purpose of this utility model is to overcome the shortcomings of the existing technology and provide a PCB board separation and positioning fixture.

[0004] The objective of this utility model is achieved through the following technical solution:

[0005] A PCB board separation and positioning fixture includes a positioning base plate and a positioning cover plate pivotally connected thereto. The two plates fit together to form a limiting space for defining a product. The limiting space includes an outer frame positioning assembly and a product positioning assembly fixed on the positioning base plate. The outer frame positioning assembly includes at least two outer frame positioning pins and a set of outer frame support columns. The set of outer frame support columns is spaced apart and evenly distributed along the edge of the product outer frame to form a first support surface that matches the product outer frame. The two outer frame positioning pins are vertically arranged along the diagonal direction of the product outer frame for positioning the product outer frame. The product outer frame has at least one inner frame for placing the product. The product positioning assembly includes at least two first product positioning pins and a set of product support rods. The set of product support rods is vertically arranged in the inner frame and forms a second support surface that matches the back of the product. The two first product positioning pins are arranged along the diagonal direction of the inner frame for positioning the product. A set of cutting points are distributed along the edge of the inner frame. The positioning cover plate has a first through hole for exposing the cutting points.

[0006] Preferably, the positioning base plate is further provided with a set of second product positioning pins, which are spaced apart along the edge of the inner frame and pass through the outer frame of the product.

[0007] Preferably, the positioning substrate is provided with two light-emitting detection points, which are arranged opposite each other along another diagonal of the product frame, and the positioning cover plate has a second through hole for exposing the light-emitting detection points.

[0008] Preferably, at least two first cover plate positioning pins are vertically arranged on the positioning base plate, and a third through hole matching the first cover plate positioning pin is provided on the positioning cover plate. The two first cover plate positioning pins are located along the diagonal of the product outer frame and pass through the product outer frame. A first through hole matching the first cover plate positioning pin is provided on the upper part of the product outer frame, and a rubber ring that engages with the first cover plate positioning pin is embedded in the first through hole.

[0009] Preferably, the positioning base plate is further provided with a set of second cover plate positioning pins, which are respectively located at the four corners of the product frame and pass through the product frame. The positioning cover plate is provided with a fourth through hole that matches the second cover plate positioning pins.

[0010] Preferably, one side of the positioning cover plate is hinged to the positioning base plate, and the other side of the positioning cover plate is provided with a locking hole. The positioning base plate is provided with a limit block and a locking rod. The positioning cover plate abuts against the limit block, and the locking rod is inserted into the locking hole to limit the positioning cover plate.

[0011] Preferably, a protrusion is elastically provided on the top of the limiting block, and the protrusion abuts against the positioning cover plate when the positioning cover plate is closed with the positioning base plate.

[0012] Preferably, a first sensor is provided on the positioning substrate, and a protruding stop is provided on one side of the positioning cover. The first sensor determines the closing state of the positioning cover and the positioning substrate by detecting the position of the stop.

[0013] Preferably, a second sensor for inspecting the product is provided inside the inner frame.

[0014] Preferably, pneumatic rods are connected between the two sides of the positioning cover and the positioning base plate, so that the positioning cover can be flipped relative to the positioning base plate.

[0015] The beneficial effects of this utility model are mainly reflected in:

[0016] 1. On the positioning base plate, outer frame positioning components and product positioning components are set for the outer frame and inner frame of the product respectively to specifically limit the outer frame and the product, so as to ensure the stability of the position of the outer frame and the product on both sides during cutting, thereby effectively ensuring the cutting accuracy and avoiding cutting errors caused by the separation of the product or the outer frame.

[0017] 2. A flip-type positioning cover is set to cooperate with the positioning base plate to quickly divide the area to be cut, which facilitates the quick alignment of the cutting equipment and improves the cutting efficiency.

[0018] 3. First and second cover positioning pins are set to ensure the constant position of the positioning base plate, product frame and positioning cover, so as to avoid displacement of any one of them during the cutting process and effectively ensure the cutting accuracy. The first and second cover positioning pins, together with the frame positioning component and the product positioning component, generate triple positioning of the product to be cut. Layer by layer positioning ensures the positional stability of the product and the product frame, thereby ensuring the cutting accuracy. Attached Figure Description

[0019] The technical solution of this utility model will be further described below with reference to the accompanying drawings:

[0020] Figure 1 : A schematic diagram of the covered state of this utility model embodiment;

[0021] Figure 2 : A schematic diagram of the open state of this utility model embodiment;

[0022] Figure 3 : Figure 2 Top view;

[0023] Figure 4 : Figure 2 A diagram showing the product frame removed. Detailed Implementation

[0024] The present invention will now be described in detail with reference to the specific embodiments shown in the accompanying drawings. However, these embodiments are not limited to the present invention, and any structural, methodological, or functional modifications made by those skilled in the art based on these embodiments are included within the protection scope of the present invention.

[0025] In the description of the solution, it should be noted that the terms "center," "upper," "lower," "left," "right," "front," "rear," "vertical," "horizontal," "inner," and "outer," etc., indicating the orientation or positional relationship, are based on the orientation or positional relationship shown in the accompanying drawings and are only for the convenience and simplification of 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 the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance. Also, in the description of the solution, with the operator as a reference, the direction closer to the operator is the proximal end, and the direction farther from the operator is the distal end.

[0026] like Figures 1 to 4As shown, this utility model discloses a PCB board separation positioning fixture, including a positioning base plate 1 and a positioning cover plate 2 pivotally connected thereto. The two are fitted together to form a limiting space for defining the product. The limiting space includes an outer frame positioning assembly and a product positioning assembly fixed on the positioning base plate 1. The outer frame positioning assembly includes at least two outer frame positioning pins 301 and a set of outer frame support columns 302. The set of outer frame support columns 302 are spaced apart and evenly distributed along the edge of the product outer frame 3, forming a first support surface that matches the product outer frame 3. The two outer frame positioning pins 301 are arranged along the diagonal of the product outer frame 3. The product positioning assembly is vertically arranged for positioning the outer frame 3 of the product; the outer frame 3 has at least one inner frame 4 for placing the product; the product positioning assembly includes at least two first product positioning pins 401 and a set of product support rods 402; the set of product support rods 402 is vertically arranged in the inner frame 4 and forms a second support surface that matches the back of the product; the two first product positioning pins 401 are arranged along the diagonal direction of the inner frame 4 for positioning the product; a set of cutting points 403 are distributed along the edge of the inner frame 4; the positioning cover plate 2 has a first through hole 201 for exposing the cutting points 403.

[0027] This solution provides outer frame positioning components and product positioning components on the positioning base plate 1 for the outer frame 3 and inner frame 4, respectively, to specifically define the outer frame 3 and the product. This ensures the stability of the positions of the outer frame 3 and the product on both sides during cutting, thereby effectively guaranteeing cutting accuracy and preventing cutting errors caused by deviations in the product or outer frame due to separation. The two outer frame positioning pins 301 are arranged diagonally opposite each other to define the position of the outer frame 3 with minimal structural constraints. Similarly, the two first product positioning pins 401 effectively define the product with minimal positioning structure.

[0028] In this design, the inner frame 4 is the area within the outer frame 3 used to set the product. Preferably, the product set within the inner frame 4 is a PCB board. The outer frame 3 and the PCB board are connected together and need to be positioned before cutting to separate the PCB board. Therefore, the positioning cover plate 2 has multiple cutouts for avoiding misalignment, and the edge of the inner frame 4 has several cutting points 403. To further ensure the stability between the outer frame 3 and the product at the cutting points 403 during cutting, the positioning base plate 1 also has a set of second product positioning pins 404. The set of second product positioning pins 404 are spaced along the edge of the inner frame 4 and pass through the outer frame 3. The outer frame 3 has locking holes that fit the second product positioning pins 404 to further enhance the positional limitation of the inner frame 4 and the outer frame 3.

[0029] Furthermore, the positioning substrate 1 is provided with two light-emitting detection points 303, which are arranged opposite each other along another diagonal of the product frame 3. The positioning cover plate 2 has a second through hole 202 for exposing the light-emitting detection points 303. The arrangement of the light-emitting detection points 303 allows the position of the light-emitting detection points 303 to be detected through the second through hole 202 after the positioning cover plate 2 is closed with the positioning substrate 1, thereby determining whether the product and the product frame 3 within the limiting space are correctly positioned.

[0030] like Figures 2-4 As shown, at least two first cover plate positioning pins 203 are vertically arranged on the positioning base plate 1. The positioning cover plate 2 has a third through hole 207 that matches the first cover plate positioning pins 203. The two first cover plate positioning pins 203 are positioned diagonally along the outer frame 3 of the product and pass through the outer frame 3. The outer frame 3 has a first through hole 304 that matches the first cover plate positioning pins 203, and a rubber ring 305 that engages with the first cover plate positioning pins 203 is embedded in the first through hole 304. The arrangement of the first cover plate positioning pins 203 ensures the constant position of the positioning base plate 1, the outer frame 3 of the product, and the positioning cover 2, preventing any one of them from shifting during the cutting process and effectively ensuring cutting accuracy.

[0031] Furthermore, the positioning base plate 1 is also provided with a set of second cover plate positioning pins 204. The set of second cover plate positioning pins 204 are respectively located at the four corners of the product outer frame 3 and pass through the product outer frame 3. The positioning cover plate 2 is provided with a fourth through hole 208 that matches the second cover plate positioning pins 204. The second cover plate positioning pins 204 further enhance the positional stability between the positioning base plate 1, the product outer frame 3, and the positioning cover 2, and also facilitate the assistance of the first cover plate positioning pins 203, enhancing the connection strength between the positioning base plate 1, the product outer frame 3, and the positioning cover 2, and preventing the first cover plate positioning pins 203 from being too thin and breaking, thus causing positioning failure.

[0032] One side of the positioning cover plate 2 is hinged to the positioning base plate 1, and the other side of the positioning cover plate 2 is provided with a locking hole 205. The positioning base plate 1 is provided with a limiting block 101 and a locking rod 6. The positioning cover plate 2 abuts against the limiting block 101, and the locking rod 6 is inserted into the locking hole 205 to limit the positioning cover plate 2. The flip-top positioning cover plate 2 cooperates with the positioning base plate 1 to quickly delineate the area to be cut, facilitating rapid alignment of the cutting equipment and improving cutting efficiency. In other feasible embodiments, the positioning cover plate 2 can also cooperate with the positioning base plate 1 in other feasible ways, such as using a split structure for snap-fit ​​sealing.

[0033] To prevent the positioning cover plate 2 from making hard contact with the positioning base plate 1 when it is closed, a protrusion 102 is elastically provided on the top of the limiting block 101. The protrusion 102 passes through the top of the limiting block 101, and a spring abuts between the bottom of the protrusion 102 and the bottom of the limiting block 101 so that the protrusion 102 can extend and retract relative to the limiting block 101. When the positioning cover plate 2 is closed with the positioning base plate 1, the protrusion 102 abuts against the positioning cover plate 2, so as to use the elastic force of the spring to reduce the wear generated when the positioning cover plate 2 is closed.

[0034] Furthermore, a first sensor 7 is provided on the positioning base plate 1, and a protruding stop 206 is provided on one side of the positioning cover plate 2. The first sensor 7 determines the closing state of the positioning cover plate 2 and the positioning base plate 1 by detecting the position of the stop 206. The first sensor 7 is preferably a photoelectric sensor. When the positioning cover plate 2 and the positioning base plate 1 are closed, the stop 206 blocks the first sensor 7, and the first sensor 7 detects the presence of the stop 206, thereby determining that the positioning cover plate 2 has closed with the positioning base plate 1; otherwise, if the stop 206 is not detected, it is determined that the positioning cover plate 2 has not closed with the positioning base plate 1.

[0035] Similarly, a second sensor 8 for inspecting products is provided inside the inner frame 4. The second sensor 8 determines whether a product exists inside the inner frame 4 by whether it is triggered. To improve cutting efficiency, two inner frames 4 are preferably symmetrically arranged inside the outer product frame 3 to hold the products respectively.

[0036] To facilitate the opening and closing of the positioning cover 2, pneumatic rods 5 are connected to both sides of the positioning cover 2 and the positioning base plate 1, allowing the positioning cover 2 to be flipped relative to the positioning base plate 1. This is prior art and not the focus of this solution, so it will not be elaborated here.

[0037] It should be understood that although this specification describes embodiments, not every embodiment contains only one independent technical solution. This way of describing the specification is only for clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other embodiments that can be understood by those skilled in the art.

[0038] The detailed descriptions listed above are merely specific descriptions of feasible implementations of this utility model, and are not intended to limit the scope of protection of this utility model. All equivalent implementations or modifications made without departing from the spirit of this utility model should be included within the scope of protection of this utility model.

Claims

1. A PCB board separation and positioning fixture, characterized in that: The system includes a positioning base plate (1) and a positioning cover plate (2) pivotally connected thereto, which overlap to form a limiting space for defining the product. The limiting space includes an outer frame positioning assembly and a product positioning assembly fixed on the positioning base plate (1). The outer frame positioning assembly includes at least two outer frame positioning pins (301) and a set of outer frame support columns (302). The set of outer frame support columns (302) are spaced apart and evenly distributed along the edge of the product outer frame (3) to form a first support surface that matches the product outer frame (3). The two outer frame positioning pins (301) are vertically arranged along the diagonal direction of the product outer frame (3) for positioning the product outer frame (3). The outer frame (3) of the product has at least one inner frame (4) for placing the product. The product positioning component includes at least two first product positioning pins (401) and a set of product support rods (402). The set of product support rods (402) is vertically arranged in the inner frame (4) and forms a second support surface that matches the back of the product. The two first product positioning pins (401) are arranged along the diagonal direction of the inner frame (4) for positioning the product. A set of cutting points (403) are distributed along the edge of the inner frame (4). The positioning cover plate (2) has a first through hole (201) for exposing the cutting points (403).

2. The PCB board separation and positioning fixture according to claim 1, characterized in that: A set of second product positioning pins (404) is also provided on the positioning base plate (1). The set of second product positioning pins (404) is arranged at intervals along the edge of the inner frame (4) and passes through the outer frame (3) of the product.

3. The PCB board separation and positioning fixture according to claim 2, characterized in that: The positioning substrate (1) is provided with two light-emitting detection points (303), and the two light-emitting detection points (303) are arranged opposite each other along the other diagonal of the product frame (3). The positioning cover plate (2) has a second through hole (202) for exposing the light-emitting detection points (303).

4. The PCB board separation and positioning fixture according to claim 3, characterized in that: At least two first cover plate positioning pins (203) are vertically arranged on the positioning base plate (1). The positioning cover plate (2) is provided with a third through hole (207) that matches the first cover plate positioning pins (203). The two first cover plate positioning pins (203) are located along the diagonal of the product frame (3) and pass through the product frame (3). The product frame (3) is provided with a first through hole (304) that matches the first cover plate positioning pins (203). The first through hole (304) is embedded with a rubber ring (305) that engages with the first cover plate positioning pins (203).

5. The PCB board separation and positioning fixture according to claim 4, characterized in that: The positioning base plate (1) is also provided with a set of second cover plate positioning pins (204). The set of second cover plate positioning pins (204) are respectively located at the four corners of the product outer frame (3) and pass through the product outer frame (3). The positioning cover plate (2) is provided with a fourth through hole (208) that matches the second cover plate positioning pins (204).

6. The PCB board separation and positioning fixture according to claim 5, characterized in that: One side of the positioning cover plate (2) is hinged to the positioning base plate (1), and the other side of the positioning cover plate (2) is provided with a lock hole (205). The positioning base plate (1) is provided with a limit block (101) and a locking rod (6). The positioning cover plate (2) abuts against the limit block (101), and the locking rod (6) is inserted into the lock hole (205) to limit the positioning cover plate (2).

7. The PCB board separation and positioning fixture according to claim 6, characterized in that: The top of the limiting block (101) is elastically provided with a protrusion (102). When the positioning cover plate (2) is closed with the positioning base plate (1), the protrusion (102) abuts against the positioning cover plate (2).

8. The PCB board separation and positioning fixture according to claim 7, characterized in that: A first sensor (7) is provided on the positioning base plate (1), and a protruding stop (206) is provided on one side of the positioning cover plate (2). The first sensor (7) determines the closing state of the positioning cover plate (2) and the positioning base plate (1) by detecting the position of the stop (206).

9. The PCB board separation and positioning fixture according to claim 8, characterized in that: The inner frame (4) is provided with a second sensor (8) for inspecting the product.

10. The PCB board separation and positioning fixture according to claim 9, characterized in that: Gas rods (5) are connected between the two sides of the positioning cover plate (2) and the positioning base plate (1), so that the positioning cover plate (2) can be flipped relative to the positioning base plate (1).

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