CN218054425U - PCB fixing device for solder paste printing machine - Google Patents
PCB fixing device for solder paste printing machine Download PDFInfo
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- CN218054425U CN218054425U CN202221596228.8U CN202221596228U CN218054425U CN 218054425 U CN218054425 U CN 218054425U CN 202221596228 U CN202221596228 U CN 202221596228U CN 218054425 U CN218054425 U CN 218054425U
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- fixing device
- solder paste
- connecting rod
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Abstract
The utility model relates to a PCB board technical field specifically is a PCB board fixing device for solder paste printing machine. The technical scheme comprises the following steps: including first supporting framework, first supporting component, through being equipped with lifting unit sliding connection between first supporting component and the first supporting framework, be equipped with the centre gripping subassembly in the first supporting framework, the centre gripping subassembly includes first fixed plate, second fixed plate, is connected through first connecting elements between the first fixed plate in both ends, and first supporting component includes first backup pad, second backup pad, is connected through being equipped with damper between first backup pad, the second backup pad. The utility model discloses an installing lifting unit and driving first supporting component along the PCB board that the distance between first supporting component top and the first supporting component top of sliding adjustment can be applicable to multiple specification about first supporting component bottom installation lifting unit, can effectually avoid pressing from both sides the PCB board bad through setting up the buffer board in the clamping component.
Description
Technical Field
The utility model relates to a PCB board technical field specifically is a PCB board fixing device for solder paste printing machine.
Background
Modern solder paste printing machines generally comprise mechanisms such as plate loading, solder paste adding, stamping, power transmission circuit boards and the like. The working principle is as follows: firstly fixing a PCB to be printed on a printing positioning table, then printing solder paste or red glue on a corresponding bonding pad through a steel mesh by a left scraper and a right scraper of a printer, and then inputting the PCB with uniform missing printing to a chip mounter for automatic chip mounting through a transmission table
Through the retrieval, patent publication No. CN215833558U discloses a PCB board fixing device convenient to PCB board detects, including detecting quick-witted body and air exhauster, the rear side fixed mounting that detects the quick-witted body has the installation piece, and the upside of installation piece has seted up first spout, the middle part of first spout is transversely inserted and is equipped with the screw rod. The utility model discloses a set up the helicitic texture of screw rod and swivel nut, place the PCB board between first clamp splice and second clamp splice earlier, rotate again and change the handle, it rotates to rotate the drive screw rod, the screw rod rotates and drives two sets of swivel nuts through the screw thread effect and slide, two sets of swivel nuts slide and drive first clamp splice and the second clamp splice through two sets of first sliders and slide, it presss from both sides the PCB board tightly until first clamp splice and second clamp splice, thereby realize solid with the PCB board, CN215833558U is at the in-process that uses in the prior art, when pressing from both sides the thin PCB board, the top surface of splint of at first both sides is higher than the top surface of PCB board easily, make PCB board and the unable inseparable laminating of steel mesh, can cause solder paste printing thickness too big, the limitation that the device used has increased, we propose a solder paste printing machine PCB board fixing device in view of this and solve current problem.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a solder paste PCB board fixing device for printing machine to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above purpose, the utility model provides a following technical scheme: the utility model provides a PCB board fixing device for tin cream printing machine, includes first braced frame body, first supporting component, through being equipped with elevating system sliding connection between first supporting component and the first braced frame body, be equipped with the centre gripping subassembly in the first braced frame body, the centre gripping subassembly runs through sliding connection between first supporting component and the first supporting component, the centre gripping subassembly includes first fixed plate, second fixed plate, the centre gripping subassembly is located first supporting component both ends, both ends be connected through first connecting element between the first fixed plate, first connecting element is connected with first braced frame body, first supporting component includes first backup pad, second backup pad, be connected through being equipped with damper between first backup pad, the second backup pad.
The utility model provides a solder paste is PCB board fixing device for printing machine, when the device was used, lifting unit drove first supporting component and reciprocates, thereby adjusts the PCB board that the distance between 4 tops of centre gripping subassembly and first backup pad can be applicable to different specification thickness, and the centre gripping subassembly that drives 4 both ends of first backup pad through first coupling assembling removes and presss from both sides tightly the PCB board.
Preferably, the lifting assembly is located between the first support frame and the second support plate.
The lifting assembly comprises a ball screw and a connecting column, the top of the ball screw penetrates through the connecting column and is connected with the connecting column through threads, the top of the connecting column is fixedly connected with the bottom of the second supporting plate, and the two ends of the second supporting plate are connected with the first supporting frame in a sliding mode.
First opening corresponding with the centre gripping subassembly is equipped with at first backup pad both ends, sliding connection between first opening and the first opening is run through to first fixed plate, be equipped with the buffer board between first fixed plate and the second fixed plate.
The second fixing plate and the first fixing plate are connected with the first fixing plate through a buffer plate at one side close to the inner side, and the buffer plate is in a semi-arc shape.
The first connecting assembly comprises a first connecting rod, a second connecting rod and a gear, the first connecting rod and the second connecting rod are fixedly connected with the first fixing plates at the two ends respectively, and racks corresponding to the gear are arranged on the first connecting rod and the second connecting rod respectively.
The gear is located between the first connecting rod and the second connecting rod, and the racks are located between the upper end and the lower end of the gear and fixedly connected with the gear.
The connecting assembly is located between two sides of the first fixing plate and is fixedly connected with the first fixing plate.
And the damping component comprises a spring and a third connecting rod, and the damping component is positioned at two ends of the top of the second supporting plate.
The spring is characterized in that a first connecting block and a second connecting block are arranged at two ends of the spring respectively, the first connecting block is fixedly connected with a second supporting plate, the second connecting block is connected with the second supporting plate in a sliding mode, two ends of a third connecting rod are hinged to the first supporting plate and the second connecting block respectively, and a shock absorber is arranged on the spring.
Compared with the prior art, the beneficial effects of the utility model are that:
the distance between the top of the clamping component and the top of the first supporting component can be suitable for PCB boards of various specifications by installing the lifting component at the bottom of the first supporting component to drive the first supporting component to slide up and down along the first supporting framework, the PCB boards can be fastened by the synchronous motion of the clamping components at two ends through the first connecting component, and the PCB boards can be effectively prevented from being damaged by the buffer board arranged in the clamping component.
Drawings
Fig. 1 is a perspective view of the present invention;
FIG. 2 is a cross-sectional view of the present invention;
fig. 3 is another cross-sectional view of the present invention;
fig. 4 is a schematic view of a partial structure of the present invention.
In the figure: 1. a first support frame; 2. a first fixing plate; 3. a second fixing plate; 4. a first support plate; 5. a second support plate; 6. a ball screw; 7. connecting columns; 8. a buffer plate; 9. a first connecting rod; 10. a second connecting rod; 11. a gear; 12. a spring; 13. and a third connecting rod.
Detailed Description
The following describes the technical solution of the present invention with reference to the accompanying drawings and specific embodiments.
Example one
The utility model provides a PCB fixing device for solder paste printing machine, including first supporting framework 1, first supporting component, through being equipped with lifting unit sliding connection between first supporting component and the first supporting framework 1, be equipped with the centre gripping subassembly in the first supporting framework 1, the centre gripping subassembly runs through sliding connection between first supporting component and the first supporting component, the centre gripping subassembly includes first fixed plate 2, second fixed plate 3, the centre gripping subassembly is located first supporting component both ends, both ends be connected through first connecting element between the first fixed plate 2, first connecting element is connected with first supporting framework 1, first supporting component includes first backup pad 4, second backup pad 5, be connected through being equipped with damper between first backup pad 4, the second backup pad 5.
The utility model discloses well lifting unit is located between first backup pad 1 and the second backup pad 5.
The utility model discloses well lifting unit includes ball 6, spliced pole 7, 6 tops of ball run through between spliced pole 7 and the spliced pole 7 be connected through the screw thread, spliced pole 7 top and 5 bottom fixed connection of second backup pad, sliding connection between 5 both ends of second backup pad and the first framework of support 1.
The utility model discloses well 4 both ends of first backup pad are equipped with the first opening corresponding with the centre gripping subassembly, sliding connection between first fixed plate 2 runs through first opening and the first opening, be equipped with buffer board 8 between first fixed plate 2 and the second fixed plate 3.
The PCB fixing device for the solder paste printing machine based on the embodiment 1 has the working principle that: when the device uses, ball 6 begins to rotate and is connected through the screw thread between the spliced pole 7 and drives first backup pad 4, thereby second backup pad 5 reciprocates and makes first fixed plate 2 slide adjusting first fixed plate 2 about in first opening, thereby the distance between 3 tops of second fixed plate and the 4 tops of first backup pad is applicable to the PCB board of different specification thickness, first connecting element drives the inside first fixed plate 2 that drives both ends and presss from both sides the PCB board through second fixed plate 3 after first backup pad 4 removes the assigned position.
Example two
The utility model provides a pair of PCB board fixing device for solder paste printing machine compares in embodiment one, and this embodiment still includes: the second fixing plate 3 is connected with the first fixing plate 2 through a buffer plate 8 between one side of the first fixing plate 2 close to the inner side, the buffer plate 8 is in a semi-arc shape, the first connecting assembly comprises a first connecting rod 9, a second connecting rod 10 and a gear 11, the first connecting rod 9 and the second connecting rod 10 are fixedly connected with the first fixing plates 2 at two ends respectively, and racks corresponding to the gear 11 are arranged on the first connecting rod 9 and the second connecting rod 10; the gear 11 is positioned between the first connecting rod 9 and the second connecting rod 10, and the racks are positioned at the upper end and the lower end of the gear 11 and fixedly connected with the gear 11; the connecting components are positioned on two sides of the first fixing plate 2 and fixedly connected with the first fixing plate 2; the shock absorption components comprise springs 12 and third connecting rods 13, and the shock absorption components are positioned at two ends of the top of the second supporting plate 5; the two ends of the spring 12 are respectively provided with a first connecting block and a second connecting block, the first connecting block is fixedly connected with the second supporting plate 5, the second connecting block is slidably connected with the second supporting plate 5, the two ends of the third connecting rod 13 are respectively hinged with the first supporting plate 4 and the second connecting block, and the spring 12 is provided with a shock absorber.
In this embodiment, as shown in fig. 1, when the device is fixed, the buffer board 8 buffers between the first fixing board 2 and the second fixing board 3 to avoid damaging the PCB, the gear 11 rotates to drive the first connecting rod 9 and the second connecting rod 10 to move inwards along the inner wall of the first supporting frame body 1 synchronously through the racks at the upper end and the lower end, so as to drive the first fixing board 2 to move inwards to clamp the PCB, when the first supporting board 4 starts to be stressed, the second connecting rod starts to slide towards one end of the spring 12 under the extrusion of the third connecting rod 13, and the spring 12 starts to be stressed to buffer and damp.
The above embodiments are merely some preferred embodiments of the present invention, and those skilled in the art can make various alternative modifications and combinations to the above embodiments based on the technical solution of the present invention and the related teachings of the above embodiments.
Claims (10)
1. The utility model provides a PCB board fixing device for tin cream printing machine, includes first braced frame body, first supporting component, through being equipped with elevating system sliding connection between first supporting component and the first braced frame body, be equipped with the centre gripping subassembly in the first braced frame body, the centre gripping subassembly runs through sliding connection between first supporting component and the first supporting component, the centre gripping subassembly includes first fixed plate, second fixed plate, the centre gripping subassembly is located first supporting component both ends, both ends be connected through first connecting element between the first fixed plate, first connecting element is connected with first braced frame body, first supporting component includes first backup pad, second backup pad, be connected through being equipped with damper between first backup pad, the second backup pad.
2. The PCB fixing device for the solder paste printer of claim 1, wherein: the lifting assembly is positioned between the first supporting frame body and the second supporting plate.
3. The PCB fixing device for the solder paste printer of claim 1, wherein: the lifting assembly comprises a ball screw and a connecting column, the top of the ball screw penetrates through the connecting column and is connected with the connecting column through threads, the top of the connecting column is fixedly connected with the bottom of the second supporting plate, and the two ends of the second supporting plate are connected with the first supporting frame in a sliding mode.
4. The PCB fixing device for the solder paste printer as claimed in claim 1, wherein: first backup pad both ends are equipped with the first opening corresponding with the centre gripping subassembly, sliding connection between first fixed plate runs through first opening and the first opening, be equipped with the buffer board between first fixed plate and the second fixed plate.
5. The PCB fixing device for the solder paste printer of claim 4, wherein: the second fixing plate and the first fixing plate are connected with the first fixing plate through a buffer plate at one side close to the inner side, and the buffer plate is in a semi-arc shape.
6. The PCB fixing device for the solder paste printer as claimed in claim 1, wherein: the first connecting assembly comprises a first connecting rod, a second connecting rod and a gear, the first connecting rod and the second connecting rod are fixedly connected with the first fixing plates at the two ends respectively, and racks corresponding to the gear are arranged on the first connecting rod and the second connecting rod respectively.
7. The PCB fixing device for the solder paste printer of claim 6, wherein: the gear is located between the first connecting rod and the second connecting rod, and the racks are located between the upper end and the lower end of the gear and fixedly connected with the gear.
8. The PCB fixing device for the solder paste printer as claimed in claim 1, wherein: the connecting assembly is located between two sides of the first fixing plate and is fixedly connected with the first fixing plate.
9. The PCB fixing device for the solder paste printer of claim 1, wherein: and the damping components comprise springs and third connecting rods and are positioned at two ends of the top of the second supporting plate.
10. The PCB fixing device for the solder paste printer as claimed in claim 9, wherein: the spring is characterized in that a first connecting block and a second connecting block are arranged at two ends of the spring respectively, the first connecting block is fixedly connected with a second supporting plate, the second connecting block is connected with the second supporting plate in a sliding mode, two ends of a third connecting rod are hinged to the first supporting plate and the second connecting block respectively, and a shock absorber is arranged on the spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596228.8U CN218054425U (en) | 2022-06-24 | 2022-06-24 | PCB fixing device for solder paste printing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221596228.8U CN218054425U (en) | 2022-06-24 | 2022-06-24 | PCB fixing device for solder paste printing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218054425U true CN218054425U (en) | 2022-12-16 |
Family
ID=84435060
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221596228.8U Active CN218054425U (en) | 2022-06-24 | 2022-06-24 | PCB fixing device for solder paste printing machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218054425U (en) |
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2022
- 2022-06-24 CN CN202221596228.8U patent/CN218054425U/en active Active
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