Anti-offset device for circuit board printing

Abstract

The utility model discloses an anti-offset device for circuit board printing, which particularly relates to the technical field of circuit board printing and comprises a bottom plate, and a circuit board printing stabilizing and limiting device is arranged at the upper end of the bottom plate. The circuit board printing stabilizing and limiting device comprises a front-back positioning assembly and a side edge positioning assembly, wherein the front-back positioning assembly is detachably mounted in the side edge positioning assembly. Compared with the prior art, the circuit board printing anti-deviation device has the advantages that the front end and the rear end of the circuit board can be limited and fixed by the lower ends of the front limiting plate and the rear limiting plate, and the width between the front limiting plate and the rear limiting plate can be compressed and adjusted according to circuit boards of different models and sizes; the front-back positioning assembly and the side edge positioning assembly can be simply adjusted, and the use adaptability of the whole device is further enhanced through the high adjustability of the front-back positioning assembly and the side edge positioning assembly while stable positioning work of the circuit board is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of circuit board printing, and more specifically to a circuit board printing anti-deviation device. Background Art

[0002] With the continuous development of SMT industry technology and the continuous upgrading of products, printing technology requirements are also constantly improving. As the production efficiency of printed circuit boards is getting higher and higher, the electronic components on the boards are getting smaller and smaller, and higher requirements are also put forward for positioning accuracy and speed. For products with strict face-to-face printing requirements, printing defects have always been high, especially printing offset, which leads to less tin. This situation leads to the cleaning of hundreds of PCB boards every day. Existing circuit boards usually use fixed-type positioning equipment when printing. Fixed-type positioning equipment has the problem of long positioning limitations and poor use adaptation performance. Utility Model Content

[0003] In order to overcome the above-mentioned defects of the prior art, an embodiment of the utility model provides a circuit board printing anti-deviation device to solve the problems raised in the above-mentioned background technology.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a circuit board printing anti-deviation device, comprising a base plate, a circuit board printing stable limit device is arranged on the upper end of the base plate; the circuit board printing stable limit device comprises: front and rear positioning components and side positioning components, the front and rear positioning components are detachably installed inside the side positioning components.

[0005] In a preferred embodiment, the side positioning assembly includes: an upper operating platform, an anti-slip pad, an electric hydraulic cylinder, a side positioning baffle and a limit adjustment groove, the limit adjustment groove is opened on the inner side of the side positioning baffle, the outer side of the side positioning baffle is installed on the output end of the electric hydraulic cylinder, the lower end of the electric hydraulic cylinder is installed on the upper end of the base plate, the upper end of the base plate is installed on the lower end of the upper operating platform, and the upper end of the upper operating platform is installed on the lower end of the anti-slip pad.

[0006] In a preferred embodiment, the front and rear positioning components include: front and rear limit plates, an upper telescopic rod group, a lower telescopic rod group and a damping telescopic spring. The front and rear limit plates are provided in two groups, and the inner sides of the two groups of front and rear limit plates are respectively installed at both ends of the damping telescopic spring.

[0007] In a preferred embodiment, the two ends of the upper telescopic rod group and the lower telescopic rod group are respectively installed at the upper and lower ends of the inner sides of the two groups of front and rear limit plates.

[0008] In a preferred embodiment, two groups of the front and rear positioning components are provided, and both ends of the two groups of front and rear limit plates are detachably installed in the limit adjustment grooves.

[0009] In a preferred embodiment, the electric hydraulic cylinder, the side positioning baffle and the limit adjustment groove are each provided with two groups, and multiple groups of positioning installation long grooves are provided in the two groups of limit adjustment grooves.

[0010] In a preferred embodiment, the lower end of the side positioning baffle is arranged on the upper end of the anti-skid pad, and the upper end of the anti-skid pad is provided with a plurality of groups of anti-skid protrusions.

[0011] Technical effects and advantages of the utility model:

[0012] A circuit board printing anti-deviation device, compared with the prior art, after the side positioning baffle is moved inward, the two sides of the circuit board placed on the upper end of the anti-slip pad can be limited and squeezed to fix. After the side of the circuit board is fixed, the front and rear ends can be limited according to the length of the front and rear ends of the circuit board. When the front and rear ends of the circuit board are fixed, the lower ends of the two groups of front and rear limit plates can be placed in the limit adjustment grooves to fix the front and rear limit plates. At the same time, the lower ends of the front and rear limit plates can limit and fix the front and rear ends of the circuit board. The width between the two groups of front and rear limit plates can be compressed and adjusted according to circuit boards of different models and sizes. The front and rear positioning components and the side positioning components can be simply adjusted. While achieving stable positioning of the circuit board, the strong adjustability of the front and rear positioning components and the side positioning components further enhances the adaptability of the entire device. BRIEF DESCRIPTION OF THE DRAWINGS

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

[0014] Figure 2 It is a schematic diagram of the structure of the circuit board printing stable limit device of the utility model.

[0015] Figure 3 It is a schematic diagram of the structure of the side positioning component of the utility model.

[0016] Figure 4 It is a schematic diagram of the structure of the front and rear positioning components of the utility model.

[0017] The accompanying drawings are marked as follows: 1. bottom plate; 2. circuit board printing stabilization limit device; 21. side positioning assembly; 211. upper operating table; 212. anti-slip pad; 213. electric hydraulic cylinder; 214. side positioning baffle; 215. limit adjustment groove; 22. front and rear positioning assembly; 221. front and rear limit plates; 222. upper telescopic rod group; 223. damping telescopic spring; 224. lower telescopic rod group. DETAILED DESCRIPTION

[0018] 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.

[0019] As attached Figure 1-4 As shown, the utility model provides a circuit board printing anti-deviation device, including a base plate 1, and a circuit board printing stable limit device 2 is arranged on the upper end of the base plate 1; the circuit board printing stable limit device 2 includes: front and rear positioning components 22 and side positioning components 21, and the front and rear positioning components 22 can be detachably installed inside the side positioning components 21.

[0020] The side positioning assembly 21 includes: an upper operating platform 211, an anti-slip pad 212, an electric hydraulic cylinder 213, a side positioning baffle 214 and a limit adjustment groove 215. The limit adjustment groove 215 is arranged on the inner side of the side positioning baffle 214, and the outer side of the side positioning baffle 214 is installed on the output end of the electric hydraulic cylinder 213. The lower end of the electric hydraulic cylinder 213 is installed on the upper end of the bottom plate 1, and the upper end of the bottom plate 1 is installed on the lower end of the upper operating platform 211. The upper end of the upper operating platform 211 is installed on the anti-slip pad 212. At the lower end of the sliding pad 212, two groups of front and rear positioning components 22 are provided, and the two ends of the two groups of front and rear limit plates 221 are respectively detachably installed in the limit adjustment groove 215, and the electric hydraulic cylinder 213, the side positioning baffle 214 and the limit adjustment groove 215 are each provided with two groups, and multiple groups of positioning installation long grooves are provided in the two groups of limit adjustment grooves 215. The lower end of the side positioning baffle 214 is arranged at the upper end of the anti-slip pad 212, and the upper end of the anti-slip pad 212 is provided with multiple groups of anti-slip bumps.

[0021] The front and rear positioning components 22 include: front and rear limit plates 221, an upper telescopic rod group 222, a lower telescopic rod group 224 and a damping telescopic spring 223. Two groups of front and rear limit plates 221 are provided, and the inner sides of the two groups of front and rear limit plates 221 are respectively installed at the two ends of the damping telescopic spring 223, and the two ends of the upper telescopic rod group 222 and the lower telescopic rod group 224 are respectively installed at the upper and lower ends of the inner sides of the two groups of front and rear limit plates 221.

[0022] The specific implementation method is as follows: when using the utility model, first place the circuit board to be printed on the upper end of the anti-skid pad 212. After the circuit board is placed, the two sets of electric hydraulic cylinders 213 can be started. After the electric hydraulic cylinders 213 are started, they drive the two sets of side positioning baffles 214 installed on the inner side to move inward and outward. After the side positioning baffles 214 move inward, they can limit and squeeze the two sides of the circuit board placed on the upper end of the anti-skid pad 212. After the side of the circuit board is fixed, the front and rear ends can be limited according to the length of the front and rear ends of the circuit board. When the front and rear ends of the circuit board are fixed, the two sets of front ends can be moved to the front and rear ends. The lower end of the rear limit plate 221 is placed in the limit adjustment groove 215 to fix the front and rear limit plates 221. At the same time, the lower ends of the front and rear limit plates 221 can limit and fix the front and rear ends of the circuit board. The width between the two groups of front and rear limit plates 221 can be compressed and adjusted according to circuit boards of different models and sizes. The front and rear positioning components 22 and the side positioning components 21 can be simply adjusted. While achieving stable positioning of the circuit board, the strong adjustability of the front and rear positioning components 22 and the side positioning components 21 further enhances the adaptability of the entire device.

[0023] Working principle of the utility model: when using the utility model, first place the circuit board to be printed on the upper end of the anti-slip pad 212. After the circuit board is placed, the two groups of electric hydraulic cylinders 213 can be started. After the electric hydraulic cylinder 213 is started, it drives the two groups of side positioning baffles 214 installed on the inner side to move inward and outward. After the side positioning baffles 214 move inward, they can limit and squeeze the two sides of the circuit board placed on the upper end of the anti-slip pad 212 to fix them. After the side of the circuit board is fixed, the front and rear ends can be limited according to the length of the front and rear ends of the circuit board. When the front and rear ends of the circuit board are fixed, the lower ends of the two groups of front and rear limiting plates 221 can be placed in the limiting adjustment groove 215 to fix the front and rear limiting plates 221. At the same time, the lower ends of the front and rear limiting plates 221 can limit and fix the front and rear ends of the circuit board. The width between the two groups of front and rear limiting plates 221 can be compressed and adjusted according to circuit boards of different models and sizes.

[0024] Finally, a few points should be explained: First, in the description of this application, it should be noted that, unless otherwise specified and limited, the terms "installed", "connected", and "connected" should be understood in a broad sense, which may refer to mechanical connection or electrical connection, or internal communication between two components, or direct connection. "upper", "lower", "left", "right", etc. are only used to indicate relative positional relationships. When the absolute position of the object being described changes, the relative positional relationship may change;

[0025] Secondly: In the drawings of the embodiments disclosed in the present utility model, only the structures related to the embodiments disclosed in the present utility model are involved, and other structures can refer to the general design. In the absence of conflict, the same embodiment and different embodiments of the present utility model can be combined with each other;

[0026] Finally: The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present utility model should be included in the protection scope of the present utility model.

Claims

1. A circuit board printing anti-deviation device, comprising a base plate (1), characterized in that: A circuit board printing stabilization limiter (2) is provided at the upper end of the bottom plate (1); The circuit board printing stable limiting device (2) comprises: a front and rear positioning component (22) and a side positioning component (21); the front and rear positioning component (22) can be detachably mounted inside the side positioning component (21).

2. A circuit board printing anti-deviation device according to claim 1, characterized in that: The side positioning assembly (21) comprises: an upper operating platform (211), an anti-skid pad (212), an electric hydraulic cylinder (213), a side positioning baffle (214) and a limit adjustment groove (215); the limit adjustment groove (215) is arranged on the inner side of the side positioning baffle (214); the outer side of the side positioning baffle (214) is mounted on the output end of the electric hydraulic cylinder (213); the lower end of the electric hydraulic cylinder (213) is mounted on the upper end of the bottom plate (1); the upper end of the bottom plate (1) is mounted on the lower end of the upper operating platform (211); and the upper end of the upper operating platform (211) is mounted on the lower end of the anti-skid pad (212).

3. A circuit board printing anti-deviation device according to claim 2, characterized in that: The front and rear positioning assembly (22) comprises: front and rear limit plates (221), an upper telescopic rod group (222), a lower telescopic rod group (224) and a damping telescopic spring (223); two groups of the front and rear limit plates (221) are provided, and the inner sides of the two groups of front and rear limit plates (221) are respectively installed at the two ends of the damping telescopic spring (223).

4. A circuit board printing anti-deviation device according to claim 3, characterized in that: The ends of the upper telescopic rod group (222) and the lower telescopic rod group (224) are respectively mounted on the upper and lower ends of the inner sides of the two groups of front and rear limit plates (221).

5. The circuit board printing anti-deviation device according to claim 3, characterized in that: The front and rear positioning components (22) are provided in two groups, and the two ends of the two groups of front and rear limit plates (221) are respectively detachably mounted in the limit adjustment grooves (215).

6. A circuit board printing anti-deviation device according to claim 2, characterized in that: The electric hydraulic cylinder (213), the side positioning baffle (214) and the limit adjustment groove (215) are each provided with two groups, and the two groups of limit adjustment grooves (215) are each provided with multiple groups of positioning installation long grooves.

7. A circuit board printing anti-deviation device according to claim 2, characterized in that: The lower end of the side positioning baffle (214) is arranged on the upper end of the anti-skid pad (212), and the upper end of the anti-skid pad (212) is provided with a plurality of groups of anti-skid protrusions.

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