CN210641151U - PCB processing supporting device - Google Patents
PCB processing supporting device Download PDFInfo
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- CN210641151U CN210641151U CN201921403066.XU CN201921403066U CN210641151U CN 210641151 U CN210641151 U CN 210641151U CN 201921403066 U CN201921403066 U CN 201921403066U CN 210641151 U CN210641151 U CN 210641151U
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Abstract
The utility model discloses a PCB processing supporting device, which comprises a base, wherein a plurality of through holes are arranged on the base, and thimbles corresponding to the shapes of the through holes are arranged in the through holes; the base is arranged below the base, grooves are formed in the base, and a spring is arranged in each groove; a positioning plate is arranged between the base and the base, and is provided with openings corresponding to the number and the positions of the thimbles; the thimble penetrates through the through hole on the base and the opening on the positioning plate to be embedded into the groove on the base and is abutted to the spring in the groove; the end part of the positioning plate is provided with a locking assembly, the top of the ejector pin moves downwards under pressure and compresses the spring, and the locking assembly controls the positioning plate to move in the horizontal direction and lock the ejector pin so that the position of the ejector pin in the vertical direction is kept fixed. The utility model discloses well thimble adjusts the height of self according to the surface condition of PCB board, makes each position of PCB board all keep abundant contact with the thimble to guarantee processing effect.
Description
Technical Field
The utility model relates to a PCB board processing strutting arrangement.
Background
Many electronic components, such as chips, resistors, capacitors, inductors, etc., are disposed on a PCB (printed circuit board) of an electronic product to form a circuit with a specific function. Therefore, a plurality of welding points for welding the components are arranged on the PCB, a layer of material capable of assisting welding is coated on the welding points of the PCB before the components are welded in order to obtain a better welding effect and improve the welding efficiency, and the auxiliary welding material generally selects tin paste.
When the solder paste is applied to the PCB, a corresponding template is generally manufactured according to the position of a solder point disposed on the PCB, and the template is usually made of steel. The template plate is provided with through holes corresponding to the welding points on the PCB, and the through holes are used for guiding the solder paste into the corresponding welding points on the PCB.
In the process of coating the tin paste, firstly, the template is placed on a PCB to be coated with the tin paste, and the through holes on the template are aligned to welding points on the PCB; solder paste is then placed on the stencil and is wiped back and forth across the stencil using a squeegee. The tin cream stirring knife is usually needed to be used when the tin cream is placed on the template, an operator transfers the tin cream to the template through the tin cream supporting and stirring knife, after the tin cream is transferred to the template, the tin cream stirring knife needs to be placed back into the stirring knife placing box to be used next time, and finally various electronic components needing to be welded are placed on the tin cream of the corresponding welding point and heated and baked, so that various electronic components can be welded on the PCB. Various electronic components place and realize through the SMT chip mounter on the pad that corresponds, and the SMT chip mounter needs PCB to effectively support when pasting electronic components on PCB, and supports PCB and need use a plurality of thimbles according to PCB specification size, and it is bad to produce the paster if PCB does not obtain effective support simultaneously, if shift, lacks the piece, flies the piece, influences the paster quality.
The used thimble of PCB supports at present, because the many makeup designs of PCB of cell-phone board, connect with the splice bar between the makeup, the fretwork, PCB intensity is not enough, and PCB warp easily after crossing the stove, causes the unable zero contact in close proximity of PCB lower surface and thimble upper surface, and PCB can't obtain effectual support, can cause the aversion, lacks the piece, flies harmfully such as piece, influences the product quality. In addition, under general conditions, a plurality of thimbles are required to be additionally arranged to meet the supporting requirement of the PCB, so that the working efficiency is low; when a clamp is switched with a non-clamp machine type, the thimbles with different heights need to be manufactured due to the height difference between the thimbles required by the clamp and the non-clamp machine type, so that the cost is increased, and meanwhile, the corresponding increase of the line switching time is also caused due to the switching and placing of the thimbles.
Disclosure of Invention
In view of this, the to-be-solved technical problem of the utility model is to provide a PCB board processing strutting arrangement to solve among the prior art PCB board processing strutting arrangement can't laminate completely with the PCB board, provide the problem of good support.
The utility model provides an above-mentioned technical problem adopted technical scheme as follows:
a PCB processing supporting device comprises:
the base is provided with a plurality of through holes, the directions of the through holes are consistent, ejector pins corresponding to the shapes of the through holes are arranged in the through holes, and the heights of the ejector pins are greater than those of the through holes;
the base is arranged below the base, a plurality of grooves are formed in the base, the grooves in the base correspond to the through holes in the base one by one, and a spring is arranged in each groove; a positioning plate is arranged between the base and the base, and is provided with openings corresponding to the number and positions of the thimbles;
the thimble penetrates through the through hole on the base and the opening on the positioning plate and is embedded into the groove on the base to be abutted against the spring in the groove;
the end part of the positioning plate is provided with a locking assembly, the top of the ejector pin moves downwards under pressure and compresses the spring, and the locking assembly controls the positioning plate to move in the horizontal direction and lock the ejector pin, so that the position of the ejector pin in the vertical direction is kept fixed.
Further, the base is a cuboid metal base, the upper surface of the base is a horizontal plane, a rectangular groove is formed in the lower surface of the base, and the positioning plate is embedded in the rectangular groove.
Furthermore, locking Assembly contains the knob and with knob fixed connection's screw rod, the base side sets up horizontal screw, the screw rod passes the horizontal screw of base side makes the knob be located outside the base side, the tip of screw rod and the end connection of locating plate, when the screw rod rotates, the screw rod drives the locating plate and produces the displacement in the horizontal direction.
Furthermore, the locking assembly comprises a knob and a threaded pipe fixedly connected with the knob, a screw rod is fixed at the end of the positioning plate, the threaded pipe at the end of the knob is connected with the screw rod at the end of the positioning plate, and the knob drives the positioning plate to displace in the horizontal direction when rotating.
Furthermore, the shape of the base corresponds to the shape of the base, and a magnet is arranged below the base.
Further, the base and the base are fixed through screws.
Furthermore, the through holes on the base are arranged in a rectangular array.
The utility model discloses the PCB board processing strutting arrangement who realizes, thereby because the shape that the height of thimble can be along with the planar bending of PCB board adjusts make non-planar PCB board can realize the complete contact with the thimble in each position to make the PCB board be in stable state, realize better processing effect.
Drawings
Fig. 1 is a side view of a PCB processing supporting device according to an embodiment of the present invention;
fig. 2 is a top view of a PCB processing supporting device according to an embodiment of the present invention;
fig. 3 is a schematic view of a processing state of the PCB processing supporting device according to an embodiment of the present invention.
Detailed Description
In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention clearer and more obvious, the following description of the present invention with reference to the accompanying drawings and embodiments is provided for further details. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
A PCB processing supporting device, as shown in fig. 1 and 2, comprising:
base 1, set up a plurality of through-holes on the base 1, the preferred cuboid or square of shape of base also can set up to the cylinder as required. The base 1 at least keeps the bottom surface and the top surface as planes, a plurality of through holes from the top surface to the bottom surface are arranged on the base, the directions of all the through holes are consistent, ejector pins 2 corresponding to the shapes of the through holes are arranged in the through holes, the shapes of the through holes are preferably circular, and the shapes of the ejector pins correspond to the shapes of the through holes on the base; the height of the thimble is greater than that of the through hole, namely after the thimble is inserted into the bottom of the through hole, at least one part of the thimble is kept outside the top surface of the base.
The base 3 is arranged below the base and used for supporting the base 1 and the ejector pin 2, and preferably, the shape of the base 3 corresponds to that of the base 1; a plurality of grooves are formed in the base 3, the grooves in the base 3 correspond to the through holes in the base 1 one by one, and a spring is arranged in each groove in the base 3; a positioning plate is arranged between the base 1 and the base 3, and holes corresponding to the number and the positions of the thimbles are formed in the positioning plate.
The thimble 2 passes through the through hole on the base 1 and the opening on the locating plate and is embedded into the groove on the base 3 and the spring butt in the groove.
A locking assembly is arranged at the end part of the positioning plate, as shown in fig. 3, when the top of the thimble 2 moves downwards under the pressure of the PCB 5, different pressures are applied to the thimble according to the shape of the PCB, and the thimble applies different pressures to the spring below the thimble so as to compress the spring at different heights; when the heights of the thimbles meet the requirements, the locking assembly controls the positioning plate to move in the horizontal direction and lock all the thimbles, so that the positions of the thimbles in the vertical direction are kept fixed, namely the thimbles form the most appropriate support for the PCB on the thimbles.
In one embodiment, the base 1 is a rectangular metal base, the upper surface of the base 1 is a horizontal plane, a rectangular groove is formed in the lower surface of the base 1, and the positioning plate is embedded in the rectangular groove below the base.
In one embodiment, the locking assembly comprises a knob 4 and a screw rod fixedly connected with the knob 4, a horizontal screw hole is formed in the side surface of the base, the screw rod penetrates through the horizontal screw hole in the side surface of the base 1, the knob is located outside the side surface of the base, the end portion of the screw rod is connected with the end portion of the positioning plate, and when the screw rod rotates, the screw rod drives the positioning plate to move in the horizontal direction.
In one embodiment, the locking assembly comprises a knob 4, a threaded pipe is arranged at the end of the knob, a screw is fixed at the end of the positioning plate, the threaded pipe at the end of the knob is connected with the screw at the end of the positioning plate, and the knob drives the positioning plate to displace in the horizontal direction when rotating.
In one embodiment, the shape of the base corresponds to that of the base, a magnet is arranged below the base, and the base can be fixed with a certain iron platform through the magnet fixed at the bottom.
In one embodiment, the base and the base are fixed by screws.
In one embodiment, the through holes on the base are arranged in a rectangular array.
The utility model discloses the PCB board processing strutting arrangement who realizes, thereby because the shape that the height of thimble can be along with the planar bending of PCB board adjusts make non-planar PCB board can realize the complete contact with the thimble in each position to make the PCB board be in stable state, realize better processing effect.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Any modification, equivalent replacement and improvement made by those skilled in the art without departing from the scope and spirit of the present invention should be within the scope of the claims of the present invention.
The preferred embodiments of the present invention have been described above with reference to the accompanying drawings, without thereby limiting the scope of the invention. Those skilled in the art can implement the invention in various modifications, such as features from one embodiment can be used in another embodiment to yield yet a further embodiment, without departing from the scope and spirit of the invention. Any modification, equivalent replacement and improvement made within the technical idea of the present invention should be within the scope of the right of the present invention.
Claims (7)
1. The utility model provides a PCB board processing strutting arrangement which characterized in that contains:
the base is provided with a plurality of through holes, the directions of the through holes are consistent, ejector pins corresponding to the shapes of the through holes are arranged in the through holes, and the heights of the ejector pins are greater than those of the through holes;
the base is arranged below the base, a plurality of grooves are formed in the base, the grooves in the base correspond to the through holes in the base one by one, and a spring is arranged in each groove; a positioning plate is arranged between the base and the base, and is provided with openings corresponding to the number and positions of the thimbles;
the thimble penetrates through the through hole on the base and the opening on the positioning plate and is embedded into the groove on the base to be abutted against the spring in the groove;
the end part of the positioning plate is provided with a locking assembly, the top of the ejector pin moves downwards under pressure and compresses the spring, and the locking assembly controls the positioning plate to move in the horizontal direction and lock the ejector pin, so that the position of the ejector pin in the vertical direction is kept fixed.
2. The PCB processing supporting device of claim 1, wherein the base is a rectangular metal base, the upper surface of the base is a horizontal plane, a rectangular groove is formed in the lower surface of the base, and the positioning plate is embedded in the rectangular groove.
3. The PCB processing supporting device of claim 1, wherein the locking assembly comprises a knob and a screw fixedly connected with the knob, a horizontal screw hole is formed in the side surface of the base, the screw penetrates through the horizontal screw hole in the side surface of the base, so that the knob is located outside the side surface of the base, the end of the screw is connected with the end of the positioning plate, and when the screw rotates, the screw drives the positioning plate to move in the horizontal direction.
4. The PCB processing supporting device of claim 1, wherein the locking assembly comprises a knob and a threaded pipe fixedly connected with the knob, a screw is fixed at the end of the positioning plate, the threaded pipe at the end of the knob is connected with the screw at the end of the positioning plate, and the knob drives the positioning plate to displace in the horizontal direction when rotating.
5. The PCB processing supporting device of claim 1, wherein the base has a shape corresponding to the shape of the base, and a magnet is disposed under the base.
6. The PCB processing supporting device of claim 1, wherein the base and the base are fixed by screws.
7. The PCB processing support device of claim 1, wherein the through holes of the base are arranged in a rectangular array.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921403066.XU CN210641151U (en) | 2019-08-27 | 2019-08-27 | PCB processing supporting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921403066.XU CN210641151U (en) | 2019-08-27 | 2019-08-27 | PCB processing supporting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210641151U true CN210641151U (en) | 2020-05-29 |
Family
ID=70794967
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921403066.XU Active CN210641151U (en) | 2019-08-27 | 2019-08-27 | PCB processing supporting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210641151U (en) |
-
2019
- 2019-08-27 CN CN201921403066.XU patent/CN210641151U/en active Active
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