CN209982861U

CN209982861U - Circuit board clamp for chip mounter

Info

Publication number: CN209982861U
Application number: CN201920163750.9U
Authority: CN
Inventors: 许志斌
Original assignee: Suzhou Ning Hong Electronic Technology Co Ltd
Current assignee: Suzhou Ning Hong Electronic Technology Co Ltd
Priority date: 2019-01-30
Filing date: 2019-01-30
Publication date: 2020-01-21
Anticipated expiration: 2029-01-30

Abstract

The utility model provides a circuit board anchor clamps for chip mounter, the cavity rectangle that circuit board anchor clamps are formed by the concatenation of the first grip block of U type, second grip block, first grip block includes first body and sets up in the centre gripping arm at first body both ends, the second grip block includes the second body and sets up in the support arm at second body both ends, and first body and second body set up relatively, are connected with a plurality of telescopic strip division boards between first body and the second body, are equipped with the spout along length direction on first body and the second body respectively, and the both ends of strip division board slide respectively in corresponding spout, and the length direction of centre gripping arm edge strip division board slides respectively on corresponding support arm. The utility model discloses can adapt to the circuit board of multiple size, can once only place the processing side by side with a plurality of circuit boards that need to process moreover, improve machining efficiency, avoid the circuit board by direct centre gripping, improve the qualification rate of product.

Description

Circuit board clamp for chip mounter

Technical Field

The utility model particularly relates to a circuit board anchor clamps for chip mounter.

Background

Surface mount technology (smt) is a mounting technology for directly mounting and soldering surface-Mounted components to predetermined positions on the surface of a printed circuit board, and has high mounting density, small size of an electronic product, light weight, high reliability and strong vibration resistance. The welding spot defect rate is low. Good high-frequency characteristics and the like. Electromagnetic and radio frequency interference may be reduced. The automation is easy to realize, and the production efficiency is improved. The cost is reduced by 30-50%. Saving materials, energy, equipment, manpower, time, etc.

In surface mounting technology SMT, a chip mounter is used for accurately mounting surface assembly elements on a fixed position of a circuit board, and the circuit board is required to be fixed on a corresponding fixture device in order to prevent the circuit board from displacing in a mounting process and influencing a mounting effect.

In the prior art, a circuit board to be processed is directly placed on a sliding platform of a chip mounter, sometimes, components on the circuit board are located at the edge of the board, and when the circuit board is placed on the sliding platform, the components at the edge are easily clamped, so that the quality of the circuit board is damaged; in addition, some circuit board structures have small sizes, and single-chip processing needs to go through one-time input time, one-time board beating time and one-time output time, so that the time wasted on input and output is very serious, and the production efficiency is reduced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model discloses a circuit board anchor clamps for chip mounter can once only place the processing with a plurality of circuit boards that need to process side by side, improves machining efficiency, has avoided the possibility that components and parts are held, improves the qualification rate of product.

The utility model adopts the following technical scheme:

the utility model provides a circuit board anchor clamps for chip mounter, the cavity rectangle that circuit board anchor clamps are formed for the concatenation of first grip block, the second grip block by the U type, first grip block includes first body and sets up in the centre gripping arm at first body both ends, the second grip block includes the second body and sets up in the support arm at second body both ends, and first body and second body set up relatively, are connected with a plurality of telescopic strip division boards between first body and the second body, are equipped with the spout along length direction on first body and the second body respectively, and the both ends of strip division board slide respectively in corresponding spout, and the length direction of the strip division board is followed to the centre gripping arm slides respectively on corresponding support arm.

Preferably, the thickness of support arm is greater than the thickness of centre gripping arm, sets up the smooth chamber that runs through along the length direction of second body on the support arm, smooth chamber forms the opening on the terminal surface towards the centre gripping arm, the centre gripping arm passes the opening and slides in smooth intracavity, be equipped with the guide way that runs through along the thickness direction on the centre gripping arm, be equipped with the fastening bolt that is located the guide way along the thickness direction on the support arm, the support arm with the centre gripping arm passes through the fastening bolt fastening.

Preferably, the width of the clamping arm is the same as the width of the support arm.

Preferably, the first body and the second body have the same structure, support plates are respectively arranged on the opposite inner walls of the first body and the second body, the thickness of each support plate is smaller than that of the first body and the second body, the sliding grooves are respectively arranged on the upper surfaces of the support plates, and the strip-shaped partition plates slide on the upper surfaces of the support plates.

Preferably, the spout forms the spread groove on the upper surface of backup pad, the width of spread groove is less than the width of spout, it is equipped with spout width assorted square slider to slide in the spout, square slider has seted up the orientation the screw hole of spread groove, the both sides of strip division board are connected fixedly through locking bolt and square slider respectively.

Preferably, the strip division board includes that the width is the same and is long banding first division board and second division board, and first division board and second division board set up side by side along length direction, and first division board and second division board pass through respectively locking bolt is connected fixedly with the square slider of both sides, the length direction along the spout on the first division board runs through and is equipped with the regulation chamber, forms the opening on the terminal surface of regulation chamber orientation second division board, and the second division board passes the opening and slides in adjusting the intracavity, it is equipped with the adjustment tank to run through along thickness direction on the second division board, be equipped with the adjusting bolt that is located the adjustment tank along thickness direction on the first division board, first division board with the second division board passes through the adjusting bolt fastening.

Preferably, the upper and lower both sides surface of second division board is equipped with the guide slot along the length direction of second division board respectively, first division board is located and is equipped with the guide rail with guide slot matched with on the both sides inner wall in regulation chamber respectively.

Preferably, the guide grooves are symmetrically arranged at two sides of the adjusting groove, and the guide rails corresponding to the guide grooves are respectively arranged on the inner walls at two sides of the adjusting cavity.

The utility model has the advantages that: the utility model discloses can adjust the relative position between first body and the second body and the position of strip division board with the centre gripping circuit board according to the circuit board size, can adapt to the circuit board of multiple size, and can once only place a plurality of circuit boards that need to process side by side between two adjacent strip division boards and process, only need once input, output, just can accomplish a plurality of productions, saved the transport time of a large amount of inputs and outputs like this to improve time utilization and put forward high yield; the circuit board to be processed is placed on the clamp and cannot be directly clamped, so that the possibility that components are clamped is avoided, and the qualification rate of products is improved.

Drawings

The accompanying drawings are included to provide a preferred understanding of the present invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:

fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic structural view of a second clamping plate of the present invention;

FIG. 3 is a schematic structural view of a first clamping plate of the present invention;

FIG. 4 is a schematic structural view of the joint between the holding arm and the supporting arm according to the present invention;

fig. 5 is a schematic view of the overall structure of the strip-shaped partition plate of the present invention;

fig. 6 is a schematic structural view of the first separating plate of the present invention;

FIG. 7 is a schematic sectional view of the chute of the present invention when the components are connected;

fig. 8 is an exploded view of fig. 7.

Labeled as: 1. a first clamping plate; 2. a second clamping plate; 3. a first body; 4. a clamp arm; 5. a second body; 6. a support arm; 7. a strip-shaped partition plate; 8. a chute; 9. a slide chamber; 10. a guide groove; 11. fastening a bolt; 12. a support plate; 13. connecting grooves; 14. a square slider; 15. a threaded hole; 16. locking the bolt; 17. a first partition plate; 18. a second partition plate; 19. an adjustment chamber; 20. an adjustment groove; 21. adjusting the bolt; 22. a guide groove; 23. a guide rail.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1 to 8, a circuit board fixture for a chip mounter according to the present invention is a hollow rectangle formed by relatively splicing a U-shaped first clamping plate 1 and a U-shaped second clamping plate 2, the first clamping plate 1 includes a rectangular first body 3 and clamping arms 4 disposed at both ends of the first body 3 in the length direction, the second clamping plate 2 includes a rectangular second body 5 and supporting arms 6 disposed at both ends of the second body 5 in the length direction, the first body 3 and the second body 5 are disposed oppositely, the clamping arms 4 correspond to the supporting arms 6, a plurality of retractable strip-shaped partition plates 7 are connected between the first body 3 and the second body 5, sliding grooves 8 are respectively disposed on the first body 3 and the second body 5 in the length direction, both ends of the strip-shaped partition plates 7 respectively slide in the corresponding sliding grooves 8, the clamping arms 4 respectively slide on the corresponding supporting arms 6 in the length direction of the strip-shaped partition plates 7, relative position and strip division board 7 between the first body 3 of circuit board size regulation and the second body 5 position according to the circuit board are with the centre gripping circuit board, can adapt to the circuit board of multiple size, can once only place a plurality of circuit boards that need to process side by side and process between two adjacent strip division boards 7, only need once input, output, just can accomplish a plurality of productions, the transport time of having saved a large amount of inputs and outputs like this to improve time utilization and put forward high yield promptly.

The thickness of the supporting arm 6 is larger than that of the clamping arm 4, a sliding cavity 9 penetrating through the supporting arm 6 along the length direction of the second body 5 is formed in the supporting arm 6, an opening is formed in the end face, facing the clamping arm 4, of the sliding cavity 9, the length of the sliding cavity 9 is smaller than the total length of the supporting arm 6, the clamping arm 4 penetrates through the opening to slide in the sliding cavity 9, a guide groove 10 penetrating through the thickness direction is formed in the clamping arm 4, the guide groove 10 does not penetrate through the clamping arm 4 along the length direction, a fastening bolt 11 located in the guide groove 10 is arranged on the supporting arm 6 along the thickness direction, the supporting arm 6 and the clamping arm 4 are fastened through the fastening bolt 11, the distance between the first body 3 and the second body 5 is adjusted, the clamping arm 4 slides along the sliding cavity 9 of the supporting arm 6, the fastening bolt 11 slides along the guide groove 10, and the fastening bolt 11 is screwed to determine the positions of the clamping; the width of centre gripping arm 4 is the same with the width of support arm 6, and the lateral wall of centre gripping arm 4 and the lateral wall of support arm 6 are on the coplanar, and the lateral wall homoenergetic of centre gripping arm 4 and support arm 6 all can produce the clamping action to the circuit board, and the length of sliding chamber 9 is less than the total length of support arm 6 moreover, and support arm 6 leaves the partial lateral wall that can the centre gripping circuit board, avoids extreme condition to appear.

The structure of first body 3 is the same with second body 5, be equipped with backup pad 12 on the relative inner wall of first body 3 and second body 5 respectively, the thickness of backup pad 12 is less than the thickness of first body 3 and second body 5, the upper surface of backup pad 12 is less than the upper surface of first body 3 and second body 5, the upper surface of backup pad 12 is equipped with spout 8 respectively, strip division board 7 slides in the upper surface of backup pad 12, the bottom surface of circuit board is supported by backup pad 12, the left and right sides of circuit board is by the lateral wall centre gripping of first body 3 and second body 5, the front and back both sides of circuit board are by centre gripping arm 4, support arm 6 and the centre gripping of strip division board 7 or the centre gripping of two strip division boards 7.

The slide groove 8 forms a coupling groove 13 on the upper surface of the support plate 12, the width of the coupling groove 13 is smaller than that of the slide groove 8, namely, a clamping part is reserved at the upper end of the sliding chute 8, a square sliding block 14 matched with the width of the sliding chute 8 is arranged in the sliding chute 8 in a sliding way, the height of the square sliding block 14 is smaller than that of the sliding chute 8, the square sliding block 14 is provided with a threaded hole 15 facing to a connecting groove 13, two sides of the strip-shaped partition plate 7 respectively penetrate through the connecting groove 13 through a locking bolt 16 to be connected and fixed with the square sliding block 14, when the locking bolt 16 is fastened with the square sliding block 14, the clamping part at the upper end of the sliding chute 8 is tightly pressed on the lower surface of the strip-shaped partition plate 7 by the square sliding block 14, the strip-shaped partition plate 7 cannot continuously slide, the fastening purpose is achieved, when the locking bolt 16 is loosened, the strip-shaped partition plate 7 can drive the square sliding block 14 to slide along the sliding groove 8 through the locking bolt 16, so that the position adjustment of the strip-shaped partition plate 7 is realized.

The strip-shaped partition plate 7 comprises a first strip-shaped partition plate 17 and a second strip-shaped partition plate 18 which are the same in width, the first strip-shaped partition plate 17 and the second strip-shaped partition plate 18 are arranged in parallel along the length direction, the first strip-shaped partition plate 17 and the second strip-shaped partition plate 18 are respectively connected and fixed with a square sliding block 14 on the corresponding side through a locking bolt 16, an adjusting cavity 19 penetrates through the first strip-shaped partition plate 17 along the length direction of the sliding chute 8, an opening is formed in the end face, facing the second strip-shaped partition plate 18, of the adjusting cavity 19, the length of the adjusting cavity 19 is smaller than the total length of the first strip-shaped partition plate 17, the second strip-shaped partition plate 18 penetrates through the opening and slides in the adjusting cavity 19, an adjusting groove 20 penetrates through the second strip-shaped partition plate 18 along the thickness direction, the adjusting groove 20 does not penetrate along the length direction of the second strip-shaped partition plate 18, an adjusting bolt 21 positioned in the adjusting groove 20, the adjustment principle between the first partition plate 17 and the second partition plate 18 is the same as that of the clamping arm 4 and the supporting arm 6; in this embodiment, the mounting manners of two adjacent strip-shaped partition plates 7 are opposite, that is, the first partition plate 17 of one strip-shaped partition plate 7 is connected with the first body 3, the second partition plate 18 is connected with the second body 5, the second partition plate 18 of the other strip-shaped partition plate 7 is connected with the first body 3, and the first partition plate 17 is connected with the second body 5, because the side wall of the first partition plate 17 is penetrated by the adjusting cavity 19, the side wall of the second partition plate 18 is complete, and the first partition plate 17 and the second partition plate 18 are arranged in a staggered manner, so that a better clamping effect can be provided for a circuit board; when the holding arms 4 and the supporting arms 6 correspond to the first partition plate 17 and the second partition plate 18, the above-described offset arrangement may be also employed.

The upper and lower surfaces of the second partition plate 18 are respectively provided with a guide groove 22 along the length direction of the second partition plate 18, the inner walls of the first partition plate 17 positioned at the two sides of the adjusting cavity 19 are respectively provided with a guide rail 23 matched with the guide groove 22, when the positions of the first partition plate 17 and the second partition plate 18 are adjusted, the guide groove 22 slides along the guide rail 23 to play a role in guiding, and the stability of sliding is ensured; the guide grooves 22 are symmetrically arranged on two sides of the adjusting groove 20, and the inner walls of two sides of the adjusting cavity 19 are respectively provided with a guide rail 23 corresponding to the guide grooves 22, so that the sliding stability is ensured.

The utility model discloses a theory of operation:

adjusting the relative position between the first body 3 and the second body 5 and the position of the strip-shaped partition plate 7 according to the size of the circuit board to clamp the circuit board, firstly sliding the strip-shaped partition plate 7 along the sliding chute 8, screwing the locking bolt 16 to determine the position of the strip-shaped partition plate 7, pulling the first body 3 or the second body 5, sliding the clamping arm 4 along the sliding cavity 9 of the supporting arm 6, sliding the guide groove 10 along the position of the fastening bolt 11, screwing the fastening bolt 11 to determine the positions of the clamping arm 4 and the supporting arm 6, simultaneously sliding the second partition plate 18 along the adjusting cavity 19 of the first partition plate 17, sliding the adjusting groove 20 along the position of the adjusting bolt 21, screwing the adjusting bolt 21 to determine the positions of the first partition plate 17 and the second partition plate 18, namely, after the adjustment, juxtaposing a plurality of circuit boards to be processed between two adjacent strip-shaped partition plates 7 for processing at one time, and inputting only, Output, a plurality of production can be completed, thus saving a large amount of input and output transportation time, and improving the time utilization rate, namely the yield; meanwhile, the circuit board to be processed is placed on the clamp, the clamp is placed on the sliding platform, and the sliding platform does not directly clamp the circuit board, so that the possibility that components are clamped is avoided, and the qualification rate of products is improved.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments described in the foregoing embodiments, or equivalents may be substituted for elements thereof. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. The utility model provides a circuit board anchor clamps for chip mounter, its characterized in that, the cavity rectangle that circuit board anchor clamps are formed by the concatenation of the first grip block of U type, second grip block, first grip block includes first body and sets up in the centre gripping arm at first body both ends, the second grip block includes the second body and sets up in the support arm at second body both ends, and first body and second body set up relatively, are connected with a plurality of telescopic strip division boards between first body and the second body, are equipped with the spout along length direction on first body and the second body respectively, and the both ends of strip division board slide respectively in corresponding spout, and the length direction of centre gripping arm edge strip division board slides respectively on corresponding support arm.

2. The circuit board fixture for a chip mounter according to claim 1, wherein the thickness of the support arm is greater than that of the clamp arm, the support arm is provided with a slide cavity penetrating through the support arm in the length direction of the second body, the slide cavity forms an opening on an end surface facing the clamp arm, the clamp arm passes through the opening and slides in the slide cavity, the clamp arm is provided with a guide groove penetrating through the clamp arm in the thickness direction, the support arm is provided with a fastening bolt located in the guide groove in the thickness direction, and the support arm and the clamp arm are fastened by the fastening bolt.

3. The circuit board fixture for a mounter according to claim 2, wherein the width of said clamping arm is the same as the width of the supporting arm.

4. The circuit board fixture for the chip mounter according to any one of claims 1 to 3, wherein the first body and the second body have the same structure, support plates are respectively provided on opposite inner walls of the first body and the second body, the thickness of each support plate is smaller than that of the first body and the second body, the upper surfaces of the support plates are respectively provided with the sliding grooves, and the strip-shaped partition plates slide on the upper surfaces of the support plates.

5. The circuit board fixture for the chip mounter according to claim 4, wherein the sliding slot forms a connecting slot on the upper surface of the support plate, the connecting slot has a width smaller than that of the sliding slot, a square slider matched with the width of the sliding slot is slidably disposed in the sliding slot, the square slider is provided with a threaded hole facing the connecting slot, and two sides of the strip-shaped separation plate are respectively connected and fixed with the square slider through locking bolts.

6. The circuit board fixture for the chip mounter according to claim 5, wherein the strip-shaped separation plates include a first separation plate and a second separation plate which are of the same width and are of an elongated shape, the first separation plate and the second separation plate are arranged side by side along a length direction, the first separation plate and the second separation plate are respectively connected and fixed with the square sliders on two sides through the locking bolts, an adjusting cavity penetrates through the first separation plate along the length direction of the sliding groove, an opening is formed in an end surface of the adjusting cavity facing the second separation plate, the second separation plate penetrates through the opening and slides in the adjusting cavity, an adjusting groove penetrates through the second separation plate along the thickness direction, an adjusting bolt located in the adjusting groove is arranged on the first separation plate along the thickness direction, and the first separation plate and the second separation plate are fastened through the adjusting bolt.

7. The circuit board fixture for chip mounter according to claim 6, wherein the upper and lower surfaces of said second partition plate are respectively provided with guide grooves along the length direction of the second partition plate, and said first partition plate is provided with guide rails on the inner walls of the two sides of said adjustment cavity, said guide rails being engaged with said guide grooves.

8. The circuit board fixture for chip mounters according to claim 7, wherein the guide grooves are symmetrically disposed on both sides of the adjusting groove, and the guide rails corresponding to the guide grooves are respectively disposed on inner walls of both sides of the adjusting cavity.