Printed circuit board holder

Abstract

The utility model discloses a printed circuit board holder comprising a pedestal, the left side of the pedestal is provided with an up-down through groove, the through groove is horizontally provided with a support plate capable of transversely sliding in the through groove, the protruding horizontal height of the upper side surface of the support plate is greater than the horizontal height of the upper side surface of the pedestal, and the support plate is uniformly provided with a plurality of up-down through holes. An adsorption head is fixedly arranged on the lower side face of the base corresponding to the supporting plate and communicated with external air exhaust equipment through a connecting hose, a positioning plate is fixedly arranged on the right side of the upper side face of the base corresponding to the supporting plate, and adjustable positioning structures are arranged on the front side and the rear side of the upper side face of the base corresponding to the supporting plate respectively. Through the arrangement of the positioning structure, the printed circuit board can be preliminarily positioned, meanwhile, the positioning structure can clamp and position the printed circuit boards of different sizes, and the applicability is wide.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of clamp, concretely to a printed circuit board holder. BACKGROUND

[0002] When processing printed circuit board in small laboratory or small factory, the printed circuit board to be processed is clamped by positioning fixture, and then the printed circuit board is processed according to design drawing by corresponding device.

[0003] The printed circuit board needs to be positioned and clamped during processing, and the traditional clamping and positioning tool can only be applied to the processing requirement of printed circuit board with specified size, and the applicability is low. CONTENT OF UTILITY MODEL

[0004] In view of the technical problems in the prior art, the utility model provides a printed circuit board holder, which aims at solving the above problems.

[0005] To achieve the above purpose, the utility model provides the following technical scheme:

[0006] A printed circuit board holder, including base, the upper side of the base is provided with an upper and lower through slot, the support plate is horizontally arranged in the through slot and can slide horizontally in the through slot, the horizontal height of the upper side of the support plate protruding is higher than the horizontal height of the upper side of the base, a plurality of upper and lower through holes are uniformly arranged on the support plate, the adsorption head is fixedly arranged on the lower side of the base corresponding to the support plate, the adsorption head is communicated with the external air extraction equipment through the connecting hose, the positioning plate is fixedly arranged on the upper side of the base right side corresponding to the support plate, and the positioning structure is arranged on the upper side of the base corresponding to the support plate.

[0007] Preferably, the positioning structure includes a transversely arranged positioning strip, a first sliding groove is longitudinally arranged on the upper side of the base corresponding to the middle part of the positioning strip, and a limiting sliding block is arranged on the lower side of the positioning strip corresponding to the first sliding groove and can be inserted into the first sliding groove and be in sliding connection with the first sliding groove.

[0008] Preferably, the threaded rotating rod is arranged perpendicularly to the side wall of the base, one end of the threaded rotating rod extending into the first sliding groove through the side wall of the base and being in threaded connection with the limiting sliding block, and the threaded rotating rod is in rotational connection with the base.

[0009] Preferably, the guiding blocks are arranged on the lower side of the positioning strip corresponding to the left and right sides of the limiting sliding block, the guide grooves are longitudinally arranged on the upper side of the base corresponding to the two guiding blocks, the guide rods are longitudinally arranged in the guide grooves and are fixedly arranged on the front and rear side walls in the guide grooves, and the guide rods pass through the guiding blocks and are in sliding connection with the guiding blocks.

[0010] Preferably, the opposite sides of the positioning strips of the two positioning structures are respectively provided with a plurality of rollers in transverse array, and the upper and lower ends of the plurality of rollers are rotationally connected with the corresponding positioning strips.

[0011] Preferably, the front and rear sidewalls of the through slot are respectively provided with a second sliding groove in transverse array at the positions corresponding to the support plates, and the support plates are respectively provided with a sliding rail slidably connected with the corresponding second sliding groove.

[0012] Preferably, the right sidewall of the through slot is provided with an electric push rod in transverse array at the position corresponding to the support plate, and the left end of the electric push rod is fixedly connected with the right sidewall of the support plate.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model provides a kind of printed circuit board holder, according to the size of the printed circuit board to be processed, manually rotates threaded rotating rod to adjust the positioning strip of its two sides, cooperate with the air extraction equipment of outside air extraction, the circuit board that is placed on support plate carries out initial positioning and is preliminarily adsorbed, while the setting of positioning strip can make it position different size circuit board, and applicability is wide;Then start electric push rod contraction, make circuit board move to the right to processing area, after moving, the right side of circuit board is abutted on positioning plate, and again accurately positioned under the cooperation of positioning strip, and simultaneously increase adsorption degree, to complete the accurate positioning and fixing of circuit board, entire operation process is simple and convenient, and positioning is accurate, and applicability is wide. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is the overall sectional view of the utility model described a kind of printed circuit board holder;

[0016] Figure 2 It is the split schematic view of the utility model described a kind of printed circuit board holder;

[0017] Figure 3 It is the side sectional view of the utility model described a kind of printed circuit board holder;

[0018] Figure 4 It is the front part sectional view of the utility model described a kind of printed circuit board holder.

[0019] In the drawing: 1, base;11, through slot;12, first sliding groove;13, guide slot;14, guide rod;15, second sliding groove;2, support plate;21, through hole;22, sliding rail;23, electric push rod;3, adsorption head;31, connecting hose;4, positioning plate;5, positioning structure;51, positioning strip;52, limit sliding block;53, threaded rotating rod;54, guide block;55, roller. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the protection scope of the utility model.

[0021] Please refer to Figures 1-4 The embodiment provided in the application is characterized in that: a printed circuit board holder comprises a base 1, a through slot 11 is formed on the left side of the base 1 and penetrates the base 1 upward and downward, a support plate 2 horizontally arranged in the through slot 11 is capable of sliding transversely in the through slot 11, the horizontal height of the upper side of the support plate 2 protruding outward is higher than the horizontal height of the upper side of the base 1, which is convenient for supporting the printed circuit board, a plurality of through holes 21 are uniformly formed on the upper side of the support plate 2, a suction head 3 is fixedly arranged on the lower side of the base 1 corresponding to the support plate 2, the suction head 3 is communicated with external air extraction equipment through a connecting hose 31, a positioning plate 4 is fixedly arranged on the upper side of the base 1 corresponding to the support plate 2 on the right side, and adjustable positioning structures 5 are arranged on the upper side of the base 1 corresponding to the support plate 2 on the front and back sides respectively.

[0022] Specifically, the positioning of the printed circuit board is realized through the positioning structures 5, the positioning structures 5 can clamp and position printed circuit boards of different sizes, the applicability is wide, the printed circuit board is preliminarily adsorbed on the support plate 2 by cooperating with the external air extraction equipment (a conventional component in the prior art), the support plate 2 slides to the processing area at the same time, the printed circuit board is positioned again by cooperating with the positioning plate 4 (the preliminary adsorption of the air extraction equipment is convenient for the positioning and adjustment of the printed circuit board again), after the positioning is completed, the adsorption strength is increased, the printed circuit board is further fixed, and the subsequent processing work is facilitated.

[0023] Further, the positioning structure 5 comprises a positioning strip 51 arranged transversely, a first sliding groove 12 is longitudinally formed on the upper side of the base 1 corresponding to the middle part of the positioning strip 51, a limiting sliding block 52 capable of extending into the first sliding groove 12 and being in sliding connection with the first sliding groove 12 is arranged on the lower side of the positioning strip 51 corresponding to the first sliding groove 12, a threaded rotating rod 53 is arranged on the side wall of the base 1 corresponding to the limiting sliding block 52, the threaded rotating rod 53 is arranged perpendicularly to the side wall of the base 1, one end of the threaded rotating rod 53 extending to the first sliding groove 12 through the side wall of the base 1 is in threaded connection with the limiting sliding block 52, and the threaded rotating rod 53 is in rotational connection with the base 1; the positioning strip 51 is driven to move longitudinally by screwing the threaded rotating rod 53, the corresponding positioning distance is adjusted according to the size of the printed circuit board, and the self-locking function of the thread is used to keep the printed circuit boards of the same size to be processed in batches.

[0024] Meanwhile, the lower side of the positioning strip 51 is provided with guide blocks 54 at the left and right sides of the limiting sliding block 52, the upper side of the base 1 is provided with guide grooves 13 corresponding to the two guide blocks 54, the guide grooves 13 are longitudinally provided with guide rods 14 fixed at the front and rear sidewalls of the guide grooves 13, the guide rods 14 pass through the guide blocks 54 and are slidably connected with the guide blocks 54, so that the positioning strip 51 can move more smoothly in the longitudinal direction; and the opposite side of the positioning strip 51 of the two positioning structures 5 is provided with a plurality of rollers 55 arranged in an array in the transverse direction, the upper and lower ends of the plurality of rollers 55 are rotatably connected with the corresponding positioning strip 51, when the printed circuit board moves to the right side working area, the friction between the limited two sides of the printed circuit board and the positioning strip 51 is reduced, so that the damage to the printed circuit board is reduced.

[0025] In another embodiment, referring to Figure 2 , the front and rear sidewalls of the through groove 11 are provided with second sliding grooves 15 corresponding to the support plates 2, the support plates 2 are provided with sliding rails 22 slidably connected with the second sliding grooves 15, the right sidewall of the through groove 11 is provided with an electric push rod 23 corresponding to the support plate 2, and the left end of the electric push rod 23 is fixedly connected with the right sidewall of the support plate 2; the support plate 2 can move mechanically through the arrangement of the electric push rod 23, so that the labor is saved and the work efficiency is improved, and the control movement mode and the control method of the electric push rod 23 are both prior art, which will not be described here.

[0026] It should be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily implying any actual relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. In other words, without limitation, an element preceded by "comprises... a" does not, without more constraints, foreclose the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

[0027] In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more than two; the orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the present application and simplifying the description, and does not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present application.

[0028] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A printed circuit board holder comprising a base (1), characterized in that: The upper left side of the base (1) is provided with a through slot (11) penetrating from top to bottom, a support plate (2) horizontally sliding in the through slot (11) is arranged in the through slot (11), the horizontal height of the upper side of the support plate (2) protruding from the upper side of the base (1) is higher than the horizontal height of the upper side of the base (1), a plurality of through holes (21) penetrating from top to bottom are uniformly arranged on the support plate (2), a suction head (3) is fixedly arranged on the lower side of the base (1) corresponding to the support plate (2), the suction head (3) is communicated with external air extraction equipment through a connecting hose (31), a positioning plate (4) is fixedly arranged on the upper right side of the base (1) corresponding to the support plate (2), and positioning structures (5) are arranged on the upper front side and the upper rear side of the base (1) corresponding to the support plate (2) respectively.

2. The printed circuit board holder of claim 1, wherein, The positioning structure (5) comprises a transversely arranged positioning strip (51), a first sliding groove (12) is longitudinally arranged on the upper side of the base (1) corresponding to the middle part of the positioning strip (51), and a limiting sliding block (52) extending into the first sliding groove (12) and in sliding connection with the first sliding groove (12) is arranged on the lower side of the positioning strip (51) corresponding to the first sliding groove (12).

3. The printed circuit board holder of claim 2, wherein, A threaded rotating rod (53) is arranged on the side wall of the base (1) corresponding to the limiting sliding block (52), the threaded rotating rod (53) is perpendicular to the side wall of the base (1), one end of the threaded rotating rod (53) extending to the first sliding groove (12) through the side wall of the base (1) is in threaded connection with the limiting sliding block (52), and the threaded rotating rod (53) is in rotational connection with the base (1).

4. The printed circuit board holder of claim 3, wherein, The lower side of the positioning strip (51) is provided with guide blocks (54) located on the left side and the right side of the limiting sliding block (52) respectively, guide grooves (13) are longitudinally arranged on the upper side of the base (1) corresponding to the two guide blocks (54) respectively, guide rods (14) fixedly arranged on the front and rear side walls of the guide groove (13) are longitudinally arranged in the guide groove (13), and the guide rods (14) pass through the guide blocks (54) and are in sliding connection with the guide blocks (54).

5. A printed circuit board holder according to any one of claims 2-4, c h a r a c t e r i z e d in that A plurality of rollers (55) are transversely arranged on the opposite side of the positioning strip (51) of the positioning structure (5) respectively, and the upper and lower ends of the plurality of rollers (55) are in rotational connection with the corresponding positioning strip (51).

6. The printed circuit board holder of claim 1, wherein, Second sliding grooves (15) are transversely arranged on the front and rear side walls of the through slot (11) corresponding to the support plate (2) respectively, and slide rails (22) in sliding connection with the second sliding grooves (15) are arranged on the front and rear side walls of the support plate (2) corresponding to the second sliding grooves (15) respectively.

7. The printed circuit board holder of claim 6, wherein, An electric push rod (23) is transversely arranged on the right side wall of the through slot (11) corresponding to the support plate (2), and the left end of the electric push rod (23) is fixedly connected with the right side wall of the support plate (2).

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