A positioning structure and a circuit board drilling device

Abstract

The present invention relates to the technical field of circuit board positioning components, and specifically, a positioning structure includes a positioning plate. Through holes are formed on the surface of the positioning plate. Two groups of positioning components are installed on the surface of the positioning plate. The positioning components are used for positioning the circuit board. Moreover, a unloading component is arranged on the surface of the positioning plate, which is used for pushing out another group of circuit boards when loading one group of circuit boards. And a shaft body connection mechanism is arranged at the end of the positioning plate. The beneficial effects are as follows: For the positioning structure proposed by the present invention, positioning components are configured on both sides of the positioning plate, which can realize double-sided rotation to switch positions and load two groups of circuit boards. That is, after the upper circuit board is loaded, the lower circuit board will be ejected by the unloading component. That is, loading the circuit board to be processed and unloading the drilled circuit board can be achieved in one operation.

Description

Technical Field

[0001] The present invention relates to the field of circuit board positioning parts, and specifically to a positioning structure and a circuit board punching device. Background Technique

[0002] A circuit board can be called a printed circuit board or a printed wiring board. A flexible printed circuit board, also known as a flexible circuit board, is a highly reliable and excellent flexible printed circuit board made of polyimide or polyester film as the base material. It has the characteristics of high wiring density, light weight, thin thickness, and good bendability.

[0003] In the prior art, holes need to be drilled on the surface of the circuit board. In order to avoid skew during the drilling of the circuit board, a positioning fixture is usually used to clamp and limit the circuit board, that is, the circuit board is clamped from both sides to prevent the circuit board from shaking during drilling.

[0004] However, the traditional clamping of the circuit board is a clamping mechanism, which not only has the potential to squeeze and deform the circuit board, but also requires operating the fixture once when installing the circuit board to be drilled, and operating one side of the fixture when unloading the drilled circuit board, resulting in a large workload. Summary of the Invention

[0005] The purpose of the present invention is to provide a positioning structure and a circuit board punching device to solve the problems raised in the above background technique.

[0006] To achieve the above purpose, the present invention provides the following technical solution: A positioning structure includes a positioning plate. A through hole is provided on the surface of the positioning plate. Two groups of positioning parts are installed on the surface of the positioning plate. The positioning parts are used to position the circuit board, and an unloading part is provided on the surface of the positioning plate for pushing out another group of circuit boards when loading one group of circuit boards, and a shaft body connection mechanism is provided at the end of the positioning plate.

[0007] Preferably, the positioning plate has an "I"-shaped plate structure, the through hole is centered on the horizontal plate of the positioning plate, and the two groups of positioning parts are symmetrically distributed with respect to the horizontal plate of the positioning plate.

[0008] Preferably, the positioning part includes an angle plate and a rubber clamping block. The angle plate has an "L"-shaped plate structure. There are four angle plates, which are respectively distributed at the four corners of the horizontal plate of the positioning plate, and the inner corner of the angle plate faces the through hole, and rubber clamping blocks are provided on both inner corner surfaces of the angle plate.

[0009] Preferably, the unloading part includes a through hole, a traction handle, and a backing plate. There are four groups of through holes, and all four groups of through holes are provided on the surface of the positioning plate. The traction handle is movably inserted into the through hole, the height of the traction handle is greater than the depth of the through hole, the backing plate has an annular plate structure, and there are two groups of backing plates. The traction handle is fixed between the two groups of backing plates.

[0010] Preferably, two sets of receiving mechanisms are symmetrically arranged on the surface of the positioning plate, and the receiving mechanisms limit the circuit board after it falls.

[0011] Preferably, the receiving mechanism includes a receiving bracket, a mounting groove, and a rubber strip. The receiving bracket is in an "L"-shaped plate structure. There are two sets of receiving brackets, and the two sets of receiving brackets are symmetrically distributed with respect to the horizontal plate of the positioning plate. The mounting groove is opened on the end plate of the receiving bracket away from the positioning plate, and the notch of the mounting groove faces the positioning plate. There are multiple mounting grooves, and the rubber strips correspond to the mounting grooves one by one, and the rubber strips are fixed in the mounting grooves.

[0012] Preferably, the shaft body connecting mechanism includes connecting cylinders. There are two sets of connecting cylinders, and the two sets of connecting cylinders are symmetrically distributed with respect to the positioning plate, and the connecting cylinders are fixed on the surface of the positioning plate. A clamping mechanism and a pushing member for limiting the clamping mechanism are arranged on the surface of the connecting cylinder.

[0013] Preferably, the clamping mechanism includes side grooves, limiting shafts, clamping blocks, rubber gaskets,

[0014] a through hole, and an elastic rubber band. The side grooves are opened at one end of the connecting cylinder. There are multiple side grooves, and the multiple side grooves are distributed along the notch of the connecting cylinder. Limiting shafts are arranged on two mutually parallel side walls of the side grooves. The limiting shafts penetrate through the clamping blocks. The diameter of the through hole on the surface of the clamping block is larger than the rod diameter of the limiting shaft. The clamping block is in a flag-shaped sheet. The rubber gasket faces the notch of the connecting cylinder. The through hole is opened on the surface of the clamping block. The elastic rubber band passes through the through hole and is fixed on the side wall of the side groove.

[0015] Preferably, the pushing member includes a pushing ring, a dial, and a retaining piece. The pushing ring is sleeved on the outer side of the connecting cylinder. Internal threads are arranged on the inner ring surface of the pushing ring, and external threads are arranged on the outer wall of the connecting cylinder. The external threads and the internal threads are in threaded connection. There are multiple dials, and the multiple dials are all fixed on the outer ring surface of the pushing ring. The retaining piece is fixed on the outer ring surface of the connecting cylinder. The retaining piece corresponds to the side groove one by one, and the retaining piece and the side groove are alternately distributed.

[0016] A circuit board punching device includes a positioning structure.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] The positioning structure proposed by the present invention is provided with positioning members on both sides of the positioning plate, which can realize the double-sided rotation to switch positions and load two sets of circuit boards. That is, after the upper circuit board is loaded, the lower circuit board will be ejected by the unloading member. That is, one operation can realize loading the circuit board to be processed while unloading the circuit board that has been punched. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 It is a schematic structural diagram of the present invention;

[0020] Figure 2 Schematic semi-sectional view of the structure of the present invention;

[0021] Figure 3 Schematic view of the structure of the present invention without a circuit board installed;

[0022] Figure 4 Schematic view of the structure of the present invention after the backing plate is removed;

[0023] Figure 5 Schematic view of the connection cylinder structure of the present invention;

[0024] Figure 6 Schematic semi-sectional view of the connection cylinder structure of the present invention;

[0025] Figure 7 Schematic view of the connection structure of two groups of backing plates of the present invention;

[0026] Figure 8 Schematic view of the support bracket structure of the present invention.

[0027] In the figure: positioning plate 1, through port 2, perforation 3, traction handle 4, backing plate 5, circuit board 6, angle plate 7, rubber clamping block 8, support bracket 9, installation groove 10, rubber strip 11, connection cylinder 12, side groove 13, limiting shaft 14, clamping block 15, rubber gasket 16, through hole 17, elastic rubber belt 18, pushing ring 19, dial 20, retaining piece 21. Detailed implementation manners

[0028] In order to clearly and completely describe the purpose, technical solution of the present invention, and make the advantages more clearly understood, the following further details the embodiments of the present invention with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are part of the embodiments of the present invention, rather than all of the embodiments, and are only used to explain the embodiments of the present invention, not to limit the embodiments of the present invention. All other embodiments obtained by those of ordinary skill in the art without creative efforts fall within the scope of protection of the present invention.

[0029] In the description of the present invention, it should be noted that the orientation or positional relationship indicated by the terms "center", "middle", "upper", "lower", "left", "right", "inside", "outside", "top", "bottom", "side", "vertical", "horizontal", etc. is based on the orientation or positional relationship shown in the accompanying drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation of the present invention. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are only used for descriptive purposes and cannot be understood as indicating or implying relative importance.

[0030] In the description of the present invention, it should be noted that, unless otherwise clearly specified and defined, the terms "installation", "connection", and "coupling" 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, and it can be the communication inside two components. For those of ordinary skill in the art, the specific meanings of the above terms in the present invention can be understood according to specific situations.

[0031] For the sake of simplicity and illustration, the principles of the embodiments are mainly described by referring to examples. In the following description, many specific details are set forth to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, well-known methods and structures are not described in detail to avoid unnecessarily obscuring these embodiments. Additionally, all embodiments can be used in combination with each other.

[0032] Embodiment 1

[0033] Please refer to Figures 1-4 , the present invention provides a technical solution: a positioning structure, including a positioning plate 1, a through hole 2 is formed on the surface of the positioning plate 1, two groups of positioning members are installed on the surface of the positioning plate 1, the positioning members are used for positioning the circuit board 6, and an unloading member is arranged on the surface of the positioning plate 1 for pushing out another group of circuit boards 6 when loading a group of circuit boards 6, and a shaft connection mechanism is arranged at the end of the positioning plate 1; positioning members are configured on both sides of the positioning plate 1, and the positions of two groups of circuit boards 6 can be switched by double-sided rotation, that is, after the upper circuit board 6 is loaded, the lower circuit board 6 will be pushed out by the unloading member, that is, the operation of loading the circuit board 6 to be processed and unloading the punched circuit board 6 can be achieved at one time.

[0034] Embodiment 2

[0035] On the basis of Embodiment 1, in order to realize the anti-disengagement limit for the circuit board 6 to be punched placed on the positioning plate 1, the positioning plate 1 is in an "I"-shaped plate structure, the through hole 2 is centered on the cross plate of the positioning plate 1, two groups of positioning members are symmetrically distributed with respect to the cross plate of the positioning plate 1, the positioning members include angle plates 7 and rubber clamping blocks 8, the angle plates 7 are in an "L"-shaped plate structure, there are four angle plates 7, the four angle plates 7 are respectively distributed at the four corners of the cross plate of the positioning plate 1, and the inner corners of the angle plates 7 face the through hole 2, and rubber clamping blocks 8 are arranged on both inner corner surfaces of the angle plates 7.

[0036] Embodiment 3

[0037] Refer to the attached Figure 7 and Figure 8On the basis of the second embodiment, in order to load the circuit board 6 to be punched and push out the punched circuit board 6, the unloading member includes a perforation 3, a traction handle 4 and a pad 5. The perforation 3 is provided with four groups, and the four groups of perforations 3 are all opened on the surface of the positioning plate 1. The traction handle 4 is movably inserted in the perforation 3. The height of the traction handle 4 is greater than the depth of the perforation 3. The pad 5 is an annular plate structure. The pad 5 is provided with two groups. The traction handle 4 is fixed between the two groups of pads 5. The surface of the positioning plate 1 is symmetrically provided with two groups of receiving mechanisms. The receiving mechanism limits the circuit board 6 after it falls down. The receiving mechanism includes a supporting bracket 9, a mounting groove 10 and a rubber strip 11. The supporting bracket 9 is an "L"-shaped plate structure. The supporting bracket 9 is provided with two groups. The two groups of supporting brackets 9 are symmetrically distributed about the horizontal plate of the positioning plate 1. The mounting groove 10 is opened on the end plate of the supporting bracket 9 away from the positioning plate 1, and the notch of the mounting groove 10 faces the positioning plate 1. There are multiple mounting grooves 10, and the rubber strip 11 corresponds to the mounting groove 10 one by one, and the rubber strip 11 is fixed in the mounting groove 10.

[0038] Embodiment 4

[0039] See attached Figure 5 and Figure 6 On the basis of the third embodiment, in order to realize the installation of the positioning plate 1 on the shaft body of the existing driving device, the shaft body connecting mechanism includes a connecting tube 12, and the connecting tube 12 is provided with two groups, and the two groups of connecting tubes 12 are symmetrically distributed about the positioning plate 1, and the connecting tube 12 is fixed to the surface of the positioning plate 1, and the surface of the connecting tube 12 is provided with a clamping mechanism and a pushing member for limiting the clamping mechanism. The clamping mechanism includes a side groove 13, a limiting shaft 14, a clamping block 15, a rubber gasket 16, a through-hole 17 and an elastic rubber band 18. The side groove 13 is opened at one end of the connecting tube 12, and a plurality of side grooves 13 are provided. The plurality of side grooves 13 are distributed along the notch of the connecting tube 12, and a limiting shaft 14 is provided on two mutually parallel side walls of the side groove 13, and the limiting shaft 14 passes through the clamping block 15, and the clamping The diameter of the hole on the surface of the holding block 15 is larger than the rod diameter of the limiting shaft 14. The clamping block 15 is a flag-shaped piece. The rubber gasket 16 faces the notch of the connecting tube 12. The hole 17 is opened on the surface of the clamping block 15. The elastic rubber band 18 passes through the hole 17 and is fixed on the side wall of the side groove 13. The pushing member includes a pushing ring 19, a paddle 20 and a baffle 21. The pushing ring 19 is sleeved on the outer side of the connecting tube 12. The inner ring surface of the pushing ring 19 is provided with an internal thread. The outer wall of the connecting tube 12 is provided with an external thread. The external thread and the internal thread are matched and connected. A plurality of paddles 20 are provided, and the plurality of paddles 20 are fixed on the outer ring surface of the pushing ring 19, and the baffle 21 is fixed on the outer ring surface of the connecting tube 12. The baffle 21 corresponds to the side groove 13 one by one, and the baffle 21 and the side groove 13 are distributed alternately.

[0040] Embodiment 5

[0041] A circuit board punching device comprises a positioning structure.

[0042] In actual use, the positioning plate 1 is installed on the shaft body of an existing driving motor through a set of connecting cylinders 12. That is, after the connecting cylinder 12 is sleeved on the shaft body of the driving motor, the rotating pushing ring 19 is pushed towards the notch end of the connecting cylinder 12. During this process, the pushing ring 19 simultaneously squeezes multiple groups of clamping blocks 15 into the slots of the connecting cylinder 12. At this time, the elastic rubber belt 18 is elastically deformed by the clamping blocks 15. When the pushing ring 19 is blocked by the stop piece 21, multiple groups of clamping blocks 15 tightly clamp the shaft body of the driving motor, realizing the connection between the connecting cylinder 12 and the shaft body of the driving motor. Then, the circuit board 6 to be drilled is pushed into the multiple angle plates 7 facing upwards, and the rubber clamping blocks 8 are clamped between the angle plates 7 and the circuit board 6 to prevent the circuit board 6 from falling off. The circuit board 6 is pushed downwards so that the backing plate 5 presses on the cross plate of the positioning plate 1. At this time, the upper backing plate 5 descends and pushes the lower backing plate 5 downwards through the traction handle 4. If a drilled circuit board 6 is clamped in a group of the lower angle plates 7, the circuit board 6 will be pushed out of the angle plate 7 and fall onto the support bracket 9, that is, while loading the circuit board 6 to be drilled, the drilled circuit board 6 is unloaded.

[0043] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principles and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A positioning structure, comprising a positioning plate (1), and a through opening (2) is formed on the surface of the positioning plate (1), characterized in that: Two groups of positioning members are installed on the surface of the positioning plate (1), and the positioning members are used to position the circuit boards (6). The surface of the positioning plate (1) is provided with unloading members, which are used to push out another group of circuit boards (6) when one group of circuit boards (6) is loaded, and the end of the positioning plate (1) is provided with an axle connection mechanism; The unloading member comprises a perforation (3), a traction handle (4) and a pad (5); the perforation (3) is provided with four groups, the four groups of perforations (3) are all opened on the surface of the positioning plate (1); the traction handle (4) is movably inserted into the perforation (3); the height of the traction handle (4) is greater than the depth of the perforation (3); the pad (5) is an annular plate structure; the pad (5) is provided with two groups, and the traction handle (4) is fixed between the two groups of pads (5); two groups of receiving mechanisms are symmetrically provided on the surface of the positioning plate (1); the receiving mechanisms limit the circuit board (6) after it falls; the receiving mechanisms The invention comprises a support frame (9), a mounting groove (10) and a rubber strip (11); the support frame (9) is an "L"-shaped plate structure; two groups of support frames (9) are provided; the two groups of support frames (9) are symmetrically distributed about the transverse plate of the positioning plate (1); the mounting groove (10) is provided on an end plate of the support frame (9) away from the positioning plate (1), and the groove opening of the mounting groove (10) faces the positioning plate (1); a plurality of mounting grooves (10) are provided; the rubber strip (11) corresponds to the mounting groove (10) one by one, and the rubber strip (11) is fixed in the mounting groove (10).

2. The positioning structure according to claim 1, characterized in that: The positioning plate (1) is in the form of an I-shaped plate structure, the through opening (2) is centered on the transverse plate of the positioning plate (1), and the two groups of positioning members are symmetrically distributed about the transverse plate of the positioning plate (1).

3. The positioning structure according to claim 1, characterized in that: The positioning member comprises an angle plate (7) and a rubber clamping block (8); the angle plate (7) is an "L"-shaped plate structure; four angle plates (7) are provided; the four angle plates (7) are respectively distributed at the four corners of the horizontal plate of the positioning plate (1); the inner corners of the angle plates (7) face the through opening (2); and the rubber clamping blocks (8) are provided on both inner corner surfaces of the angle plates (7).

4. The positioning structure according to claim 1, characterized in that: The shaft connection mechanism comprises a connection tube (12), wherein two groups of the connection tubes (12) are provided, the two groups of connection tubes (12) are symmetrically distributed about the positioning plate (1), and the connection tubes (12) are fixed on the surface of the positioning plate (1), and the surface of the connection tubes (12) is provided with a clamping mechanism and a pushing member for limiting the clamping mechanism.

5. The positioning structure according to claim 4, characterized in that: The clamping mechanism includes a side groove (13), a limiting shaft (14), a clamping block (15), a rubber gasket (16), a through hole (17), and an elastic rubber belt (18). The side groove (13) is opened at one end of the connecting cylinder (12). There are multiple side grooves (13), and the multiple side grooves (13) are distributed along the notch of the connecting cylinder (12). Limiting shafts (14) are provided on two parallel side walls of the side groove (13). The limiting shaft (14) penetrates through the clamping block (15). The diameter of the through hole on the surface of the clamping block (15) is larger than the rod diameter of the limiting shaft (14). The clamping block (15) is in the shape of a flag-shaped sheet. The rubber gasket (16) faces the notch of the connecting cylinder (12). The through hole (17) is opened on the surface of the clamping block (15). After the elastic rubber belt (18) passes through the through hole (17), it is fixed on the side wall of the side groove (13).

6. The positioning structure according to claim 5, characterized in that: The pushing member includes a pushing ring (19), a dial (20), and a retaining piece (21). The pushing ring (19) is sleeved on the outer side of the connecting cylinder (12). Internal threads are provided on the inner ring surface of the pushing ring (19). External threads are provided on the outer wall of the connecting cylinder (12). The external threads and the internal threads are in mating connection. There are multiple dials (20), and the multiple dials (20) are all fixed on the outer ring surface of the pushing ring (19). And the retaining piece (21) is fixed on the outer ring surface of the connecting cylinder (12). The retaining piece (21) corresponds to the side groove (13) one by one, and the retaining piece (21) and the side groove (13) are alternately distributed.

7. A circuit board drilling device, characterized in that: It includes the positioning structure according to any one of the above claims 1-6.

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