CN215338190U

CN215338190U - Shadow-free SPI solder paste detection machine

Info

Publication number: CN215338190U
Application number: CN202121229848.3U
Authority: CN
Inventors: 王大磊
Original assignee: Dongguan Unicair Communication Technology Co ltd
Current assignee: Dongguan Unicair Communication Technology Co ltd
Priority date: 2021-06-02
Filing date: 2021-06-02
Publication date: 2021-12-28
Anticipated expiration: 2031-06-02

Abstract

The utility model discloses a shadow-free SPI solder paste detector which comprises a base, wherein a detector body is fixedly connected to the side edge of the top end of the base, a workbench is fixedly connected to the top of the base, a positive and negative motor close to the workbench is fixedly arranged on the base, the output end of the positive and negative motor is connected with a lead screw, the lead screw penetrates through the workbench, the other end of the lead screw extends to the outer part of the other side of the workbench, the bottom in the workbench is in a cavity shape, the lead screw is placed in the cavity shape, and a clamping groove is formed in the top of the workbench. Has the advantages that: carry out the dirt of smearing through dirt mechanism to its PCB board surface, when guaranteeing to detect, the cleanness on PCB board surface improves the precision that detects, should press from both sides tight setting, has solved current detector and does not possess the function of fixed PCB board when using, and external rocking influences the precision that the detector detected out easily when detecting to cause the problem that the deviation appears in the detector detection data.

Description

Shadow-free SPI solder paste detection machine

Technical Field

The utility model relates to the field of solder paste detection machines, in particular to a shadow-free SPI (serial peripheral interface) solder paste detection machine.

Background

The solder paste thickness detector is SMT detection equipment which calculates the height of solder paste printed on a PCB (printed Circuit Board) by utilizing an optical principle and a triangulation method, wherein a solder paste thickness gauge and an SPI (Serial peripheral interface) are the same equipment, off-line solder paste thickness detection equipment is only commonly called as the solder paste thickness gauge by domestic habit, the on-line solder paste thickness detection equipment is called as the SPI by the habit, the solder paste thickness detector can be used for detecting and analyzing the quality of solder paste printing and finding SMT process defects as soon as possible, and the solder paste thickness test can be divided into two types, namely 2D measurement and 3D measurement. But current detector does not possess the function of fixed PCB when using, and external rocking influences the precision that the detector detected out easily when detecting to cause the phenomenon that the detector detected data and appear the deviation, not convenient to use person's use.

An effective solution to the problems in the related art has not been proposed yet.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a shadow-free SPI solder paste detector to solve the problems in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme:

a shadow-free SPI solder paste detector comprises a base, wherein a detector body is fixedly connected to the side edge of the top end of the base, a workbench is fixedly connected to the top of the base, a positive and negative motor close to the workbench is fixedly arranged on the base, the output end of the positive and negative motor is connected with a lead screw, the lead screw penetrates through the workbench, the other end of the lead screw extends to the outside of the other side of the workbench, the bottom of the workbench is in a cavity shape, the lead screw is placed in the cavity shape, a clamping groove is formed in the top of the workbench, a transverse moving groove communicated with the bottom of the workbench in the cavity shape is formed in the bottom end of the clamping groove, two threaded plates which are oppositely arranged are arranged on a screw sleeve on the lead screw, the tops of the threaded plates penetrate through the transverse moving groove and extend into the clamping groove, and a cushion pad is fixedly arranged on one side corresponding to the threaded plates, the utility model discloses a dust removal device, including blotter, base, positive and negative motor, pressure sensor, PLC controller, clamping groove, placing platform top, be equipped with mopping mechanism, the blotter is the rubber material, just inlay in the blotter has pressure sensor, be equipped with the PLC controller on the base, the PLC controller respectively with positive and negative motor with pressure sensor electric connection, the fixed platform of placing that is equipped with in the clamping groove, it has miniature double-layered groove to place the platform top, be equipped with mopping mechanism on the base.

Furthermore, a bearing is arranged at the other end of the screw rod and fixed on the outer wall of the other side of the workbench, and a circular penetrating opening for the screw rod to penetrate is formed in the workbench.

Furthermore, an embedding groove for embedding the pressure sensor is formed in the buffer pad.

Furthermore, the plastering mechanism comprises a vertical plate fixed at the top end of the base, a telescopic motor is fixedly arranged on the vertical plate, a plastering block is arranged on the output end of the telescopic motor in a spiral sleeve manner, and a plastering hairbrush is pasted at the bottom end of the plastering block.

Further, the bottom end of the plastering hairbrush is lower than the top end of the thread plate.

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

the PCB to be detected is placed in the micro clamping groove to play a slight clamping effect, the PCB is supported by the placing table, when the left and right clamping cannot be carried out, the PCB is manually held, then the screw rod is driven to rotate by the arranged positive and negative motors, because the screw sleeve on the screw rod is provided with two threaded plates which are oppositely arranged, finally the two threaded plates move away from each other or approach each other, the buffer pads on the threaded plates are enabled to carry out two sides of the PCB, when the threaded plates move, the tops of the threaded plates penetrate through the transverse moving groove to extend into the clamping groove, the threaded plates can normally move by the arranged transverse moving groove, the PCB can be protected by arranging the buffer pads, the PCB is effectively prevented from being clamped when the threaded plates directly contact with the PCB, and when the clamping is carried out, the pressure sensor is contacted with one side wall of the PCB, the pressure sensor transmits a pressure value signal to the PLC in real time, when pressure sensor's pressure value signal reached the pressure value that the PLC controller set for, the positive and negative motor stall work of PLC controller control, thereby carry out the intelligent clamping, play fine protection PCB board effect, press from both sides tight back, carry out the dust removal to its PCB board surface through the dust removal mechanism, when guaranteeing to detect, PCB board surperficial cleanness, improve the precision that detects, this clamp sets up, the function that current detector does not possess fixed PCB board when using has been solved, external rocking influences the precision that the detector detected out easily when detecting, thereby cause the problem that the deviation appears in detector detection data.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

FIG. 1 is a front view of a shadow-free SPI solder paste testing machine according to an embodiment of the present invention;

FIG. 2 is a schematic diagram of a workbench of a shadow-free SPI solder paste testing machine according to an embodiment of the present invention.

Reference numerals:

1. a base; 2. a detector body; 3. a work table; 4. a positive and negative motor; 5. a screw rod; 6. a clamping groove; 7. a lateral movement groove; 8. a thread plate; 9. a cushion pad; 10. a pressure sensor; 11. a PLC controller; 12. a placing table; 13. a micro-clip groove; 14. a bearing; 15. a circular through hole; 16. a vertical plate; 17. a telescopic motor; 18. plastering blocks.

Detailed Description

The following, with reference to the drawings and the detailed description, further description of the present invention is made:

in order that the above objects, features and advantages of the present invention can be more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and thus the present invention is not limited to the specific embodiments of the present disclosure.

The first embodiment is as follows:

referring to fig. 1-2, a shadow-free SPI solder paste tester according to an embodiment of the present invention includes a base 1, a tester body 2 is fixedly connected to a side of a top end of the base 1, a worktable 3 is fixedly connected to a top of the base 1, a positive and negative motor 4 is fixedly disposed on the base 1 and close to the worktable 3, an output end of the positive and negative motor 4 is connected to a lead screw 5, the lead screw 5 passes through the worktable 3, and another end of the lead screw 5 extends to an outside of another side of the worktable 3, a bottom of the worktable 3 is in a cavity shape, the lead screw 5 is disposed in the cavity shape, a clamping groove 6 is disposed at the top of the worktable 3, a transverse moving groove 7 communicated with the bottom of the worktable 3 is in the cavity shape is disposed at a bottom end of the clamping groove 6, two opposite thread plates 8 are disposed on the lead screw 5 in a spiral sleeve, 8 tops of screw plate are passed lateral shifting groove 7 extends to in the tight groove 6 of clamp, 8 corresponding one side of screw plate is fixed and is equipped with blotter 9, blotter 9 is the rubber material, just it has pressure sensor 10 to inlay in the blotter 9, be equipped with PLC controller 11 on the base 1, PLC controller 11 respectively with positive and negative motor 4 with pressure sensor 10 electric connection, the fixed platform 12 that places that is equipped with in the tight groove 6 bottom, place the 12 tops of platform and seted up miniature double-layered groove 13, be equipped with the plastering dust mechanism on the base 1.

Example two:

referring to fig. 2, for the screw rod 5, a bearing 14 is disposed at the other end of the screw rod 5, the bearing 14 is fixed on the outer wall of the other side of the workbench 3, and a circular through hole 15 for the screw rod 5 to pass through is disposed on the workbench 3.

Through the scheme of the utility model, the beneficial effects are as follows: the arrangement of the bearing 14 ensures the stability of the rotation of the screw 5.

Example three:

referring to fig. 1, for the cushion pad 9, an embedding groove for embedding the pressure sensor 10 is formed on the cushion pad 9.

Example four:

referring to fig. 1, for the dust removing mechanism, the dust removing mechanism includes a vertical plate 16 fixed on the top end of the base 1, a telescopic motor 17 is fixed on the vertical plate 16, a dust removing block 18 is spirally sleeved on the output end of the telescopic motor 17, and a dust removing brush is adhered to the bottom end of the dust removing block 18.

Through the scheme of the utility model, the beneficial effects are as follows: the flexible motor 17 drives the plastering block 18 to move in a flexible way, finally the plastering brush contacts the surface detected by the PCB, the plastering brush moves left and right, and the plastering treatment is carried out on the surface of the PCB.

Example five:

referring to fig. 1, for the plastering brush, the bottom end of the plastering brush is lower than the top end of the thread plate 8.

Through the scheme of the utility model, the beneficial effects are as follows: the bottom end of the plastering hairbrush is lower than the top end of the threaded plate 8, so that the movement of the threaded plate 8 is not blocked, and the plastering hairbrush can be ensured to contact the surface detected by the PCB.

For the convenience of understanding the above technical solutions of the present invention, the following detailed description is made of the working principle or the operation mode of the present invention in the practical process:

in practical application, a PCB to be detected is placed in the micro clamping groove 13 to play a slight clamping effect, the PCB is supported by the placing table 12, when the PCB cannot be clamped leftwards and rightwards, the PCB is manually held, then the screw rod 5 is driven to rotate by the arranged positive and negative motor 4, because the screw sleeve on the screw rod 5 is provided with two threaded plates 8 which are oppositely arranged, finally the two threaded plates 8 move away from or approach to each other, the buffer pads 9 on the threaded plates 8 are used for carrying out two sides of the PCB, when the threaded plates 8 move, the top of the threaded plates 8 penetrate through the transverse moving groove 7 and extend into the clamping groove 6, the threaded plates 8 can normally move by the arranged transverse moving groove 7, the buffer pads 9 are arranged to play a role in protecting the PCB, the PCB is effectively prevented from being clamped when the threaded plates 8 are directly contacted with the PCB, and when the PCB is clamped, the pressure sensor 10 is contacted with one side wall of the PCB, pressure sensor 10 gives PLC controller 11 with pressure value signal transmission in real time, when pressure value signal of pressure sensor 10 reached the pressure value that PLC controller 11 set for, PLC controller 11 controls positive and negative motor 4 stall work, thereby carry out the intelligent clamping, play fine protection PCB board effect, press from both sides tightly the back, carry out the dust removal through dust removal mechanism to its PCB board surface, guarantee to examine time measuring, the cleanness on PCB board surface, improve the precision that detects, should press from both sides tight setting, solved current detector and did not possess the function of fixed PCB board when using, external rocking influences the precision that the detector detected out easily when examining, thereby cause the problem that the deviation appears in detector detection data.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The shadow-free SPI solder paste detector is characterized by comprising a base (1), wherein a detector body (2) is fixedly connected to the side edge of the top end of the base (1), a workbench (3) is fixedly connected to the top of the base (1), a positive and negative motor (4) close to the workbench (3) is fixedly arranged on the base (1), a lead screw (5) is connected to the output end of the positive and negative motor (4), the lead screw (5) penetrates through the workbench (3), the other end of the lead screw (5) extends to the outside of the other side of the workbench (3), the bottom in the workbench (3) is in a cavity shape, the lead screw (5) is placed in the cavity shape, a clamping groove (6) is formed in the top of the workbench (3), a transverse moving groove (7) communicated with the bottom in the workbench (3) is formed in the bottom, the utility model discloses a lead screw, including lead screw (5), set up, thread board (8), lateral shifting groove (7) extend to press from both sides in tight groove (6), the fixed blotter (9) that are equipped with in one side that thread board (8) are corresponding, blotter (9) are the rubber material, just inlay in blotter (9) and have pressure sensor (10), be equipped with PLC controller (11) on base (1), PLC controller (11) respectively with positive and negative motor (4) with pressure sensor (10) electric connection, the fixed platform (12) of placing that is equipped with in tight groove (6) inner bottom, place platform (12) top and seted up miniature clamp groove (13), be equipped with the dust removing mechanism on base (1).

2. The shadow-free SPI solder paste detector according to claim 1, characterized in that, a bearing (14) is arranged at the other end of said screw (5), said bearing (14) is fixed on the outer wall of the other side of said worktable (3), a circular through hole (15) for said screw (5) to pass through is arranged on said worktable (3).

3. The shadowless SPI solder paste detector of claim 1, characterized in that, inlay grooves for inlaying said pressure sensors (10) are opened on said buffer pad (9).

4. The shadow-free SPI solder paste detection machine according to claim 1, characterized in that, the plastering mechanism includes a vertical plate (16) fixed on the top of the base (1), a telescopic motor (17) is fixed on the vertical plate (16), a plastering block (18) is arranged on the output end of the telescopic motor (17) in a spiral sleeve, and a plastering brush is pasted on the bottom end of the plastering block (18).

5. The shadowless SPI solder paste detection machine according to claim 4, characterized in that the bottom end of the plastering brush is lower than the top end of the thread plate (8).