CN216151397U

CN216151397U - Automatic brush tin cream equipment

Info

Publication number: CN216151397U
Application number: CN202122259973.5U
Authority: CN
Inventors: 顾建华; 潘云花
Original assignee: Suzhou Zhenyu Tools Co ltd
Current assignee: Suzhou Zhenyu Tools Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-04-01
Anticipated expiration: 2031-09-17

Abstract

The utility model relates to an automatic solder paste brushing device, which comprises: the device comprises a base, a workbench fixed on the top of the base, a placing groove formed in the workbench, a lifting plate arranged above the workbench in a lifting manner, a movable plate movably arranged on one side of the lifting plate, a plurality of groups of brushing assemblies arranged on the movable plate at intervals in a penetrating manner, a support plate fixedly connected below the lifting plate, material holes formed in the support plate, a first driving device driving the lifting plate to lift and a second driving device driving the movable plate to move; the automatic tin paste brushing equipment has high automation degree and high brushing efficiency; the brushing amount of each time of the automatic operation of the machine is the same, the condition of wasting the solder paste is avoided, the solder paste brushed on the circuit board is uniform, the subsequent welding is convenient, and the qualification rate of the product is indirectly improved; the labor input is saved, and the cost is saved.

Description

Automatic brush tin cream equipment

Technical Field

The utility model belongs to the technical field of automatic processing, and particularly relates to automatic solder paste brushing equipment.

Background

The tin paste is a paste mixture formed by mixing tin powder, soldering flux and other surfactants, thixotropic agents and the like, is mainly used for welding electronic components such as PCB surface resistors, capacitors, ICs and the like, has certain viscosity at normal temperature, can initially adhere the electronic components to a set position, and then welds the welded components and printed circuit pads together at a welding temperature to form permanent connection.

In the prior art, the tin paste needs to be manually brushed on a circuit board to be welded, and the manual operation has the following defects:

1. the manual brushing efficiency is low, and the overall welding efficiency is influenced;

2. the manual brushing can cause the solder paste on the circuit board to be uneven, improve the welding difficulty and increase the rejection rate of finished products;

3. the manual brushing amount is different every time, so that the condition of wasting tin paste occurs, and the production cost is improved;

4. a large amount of labor investment is needed, and the production cost is further increased.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide automatic solder paste brushing equipment for overcoming the defects of the prior art.

In order to achieve the purpose, the utility model adopts the technical scheme that: an automatic solder paste brushing apparatus comprising:

the base, fix the workstation at base top, set up standing groove, liftable ground on the workstation set up the lifter plate of workstation top, movably setting are in the movable plate of lifter plate one side, interval are worn to establish multiunit brush material subassembly, fixed connection on the movable plate are in the support plate of lifter plate below, set up material hole on the support plate, drive the first drive arrangement and the drive of lifter plate lift the second drive arrangement that the movable plate removed.

Optimally, the lifting device further comprises a fixed column fixed on the base, a first top plate fixedly connected to the top of the fixed column, connecting plates relatively fixed to two sides of the lifting plate and clamping plates fixed on the connecting plates and used for fixing the carrier plate.

Optimally, each group of brushing assemblies comprises a lifting column arranged on the moving plate in a penetrating mode, a second top plate fixedly connected to the top of the lifting column, a brushing plate fixedly connected to the bottom of the lifting column and a third driving device fixed to the moving plate and used for driving the second top plate to lift.

Preferably, the first driving device is a ball screw, the second driving device is a rodless cylinder, the lifting plate is fixed on the ball screw, and the moving plate is fixed on the rodless cylinder.

Preferably, the third driving device is a lifting cylinder, a cylinder body of the lifting cylinder is fixed on the moving plate, and a guide rod of the lifting cylinder is connected to the second top plate.

Preferably, the length of the carrier plate is greater than the length of the placing groove, and the width of the carrier plate is greater than the width of the placing groove.

Due to the application of the technical scheme, compared with the prior art, the utility model has the following advantages:

the automatic tin paste brushing equipment has high automation degree and high brushing efficiency; the brushing amount of each time of the automatic operation of the machine is the same, the condition of wasting the solder paste is avoided, the solder paste brushed on the circuit board is uniform, the subsequent welding is convenient, and the qualification rate of the product is indirectly improved; the labor input is saved, and the cost is saved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of another embodiment of the present invention;

FIG. 3 is a front view of the present invention;

FIG. 4 is a right side view of the present invention;

description of reference numerals:

1. a base; 2. a work table; 3. a placement groove; 4. fixing a column; 5. a first top plate; 6. a fixing plate; 7. a proximity switch; 8. a ball screw; 9. a lifting plate; 10. a rodless cylinder; 11. moving the plate; 12. a connecting plate; 13. a splint; 14. a carrier plate; 15. material holes; 16. a brushing component; 161. a lifting column; 162. a second top plate; 163. a lifting cylinder; 164. and (7) brushing the board.

Detailed Description

The utility model will be further described with reference to examples of embodiments shown in the drawings to which the utility model is attached.

As shown in fig. 1 to 4, which are schematic views of an automatic solder paste brushing apparatus according to the present invention, which is generally used for brushing solder paste on a circuit board to facilitate subsequent soldering, the apparatus includes a base 1, a worktable 2, a placing groove 3, a fixed column 4, a first top plate 5, a fixed plate 6, a proximity switch 7, a ball screw 8, a lifting plate 9, a rodless cylinder 10, a moving plate 11, a connecting plate 12, a clamping plate 13, a carrier plate 14, a material hole 15, and a material brushing assembly 16.

The base 1 mainly plays a supporting role (the base 1 is usually formed by welding aluminum profiles or stainless steel plates). The workbench 2 is fixed on the top of the base 1 (the workbench 2 is fixed on the base 1 in a bolt and nut matching mode; in the embodiment, the workbench 2 is provided with a placing groove 3, a circuit board to be welded is placed in the placing groove 3, and the placing groove 3 is the same as the circuit board to be welded in size).

The fixed column 4 has a plurality of fixed columns which are fixed on the base 1 (two fixed columns 4 are fixed on the upper surface of the base 1 by welding). The first top plate 5 is fixed on the top of the two fixing posts 4. The lifting plate 9 is arranged above the workbench 2 in a lifting manner (the lifting plate 9 is in a shape of a [ ", the lifting plate 9 is driven by a first driving device to lift, the first driving device is a ball screw 8, the ball screw 8 converts rotary motion into linear motion, and has the characteristics of high precision, reversibility and high efficiency; in the embodiment, one end of the ball screw 8 is fixed on the base 1, the other end of the ball screw is fixed on the first top plate 5, and the lifting plate 9 is fixed on a nut of the ball screw 8). The fixed plate 6 is fixed on two fixed columns 4, and the proximity switch 7 is installed on the lower surface of the fixed plate 6 and faces the lifting plate 9 (in the lifting process of the lifting plate 9, the proximity switch 7 can detect the position of the lifting plate 9 in real time).

The two connecting plates 12 are oppositely fixed on two sides of the lifting plate 9 (the connecting plates 12 are in a [ "shape). The clamping plate 13 is provided with two clamping plates which are respectively fixed at the opposite sides of the bottom of the connecting plate 12 (the section of the clamping plate 13 is in a concave shape). The carrier plate 14 is fixed between the two clamping plates 13 (the carrier plate 14 is placed with solder paste to be brushed, the carrier plate 14 is provided with material holes 15 at intervals for leaking the solder paste on the carrier plate 14 to the circuit boards in the lower placing groove 3, and in actual use, the carrier plate 14 with the material holes 15 of different shapes is replaced according to the actual situation on the circuit boards; in this embodiment, the length of the carrier plate 14 is greater than the length of the material holes 15, and the width of the carrier plate 14 is greater than the width of the material holes 15).

The moving plate 11 is movably arranged on one side of the lifting plate 9 far away from the fixed column 4 (the moving plate 11 is driven by a second driving device to move, the second driving device is a rodless cylinder 10, the rodless cylinder 10 is fixed on one side of the lifting plate 9, and the moving plate 11 is arranged on a sliding block of the rodless cylinder 10). The two groups of the brushing assemblies 16 are arranged on the moving plate 11 at intervals, and are used for brushing the solder paste on the carrier plate 14, so that the solder paste falls onto the circuit board in the placing groove 3 through the carrier plate 14. Each group of brushing assemblies 16 comprises two lifting columns 161, a second top plate 162, a lifting cylinder 163 and a brushing plate 164, and the two lifting columns 161 are arranged on the moving plate 11 in a penetrating way. The second top plate 162 is fixedly connected to the tops of the two lifting columns 161 (the second top plate 162 is driven by a third driving device to lift, the third driving device is a lifting cylinder 163, the cylinder body of the lifting cylinder 163 is fixed on the moving plate 11, and the guide rod of the lifting cylinder 163 is connected to the lower surface of the second top plate 162). The brush plates 164 are fixedly attached to the lower surfaces of the two lift columns 161 (in practice, one of the brush plates 164 brushes from right to left, and then the other brush plate brushes from left to right to continue to collect the scraped solder paste).

The principle of the automatic solder paste brushing equipment comprises the following steps:

firstly, pouring solder paste onto a carrier plate 14, then manually placing the circuit board in a placing groove 3, and driving a lifting plate 9 to descend by a ball screw 8 until the carrier plate 14 is attached to a workbench 2; the rodless cylinder 10 drives the brush assembly 16 to brush the solder paste on the carrier plate 14, and in the process, the solder paste falls onto a circuit board below through the material holes 15 (in the process, one group of lifting cylinders 163 drives the brush plate 164 to descend, then the rodless cylinder 10 drives the brush assembly 16 to finish one-time brush coating on the carrier plate 14, after the brush coating is finished, the group of lifting cylinders 163 drives the brush plate 164 to ascend, the other group of lifting cylinders 163 drives the brush plate 164 to descend, and then the rodless cylinder 10 drives the brush assembly 16 to finish one-time brush coating in the opposite direction on the carrier plate 14, so that the scraped solder paste is continuously gathered up); then ball screw 8 drives lifter plate 9 and rises, and proximity switch 7 real-time detection lifter plate 9's rising position, the workman take off the circuit board in the standing groove 3 can.

The technical idea and features of the present invention are intended to be understood and implemented by those skilled in the art, and the scope of the present invention is not limited thereby. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.

Claims

1. An automatic brush tin cream equipment which characterized in that, it includes:

base (1), fix workstation (2) at base (1) top, set up standing groove (3) on workstation (2), set up with liftable lifting plate (9) of workstation (2) top, movably setting are in movable plate (11), the interval of lifting plate (9) one side is worn to establish multiunit brush material subassembly (16), fixed connection on movable plate (11) support plate (14) of lifting plate (9) below, set up material hole (15) on support plate (14), drive the first drive arrangement and the drive that lifting plate (9) go up and down the second drive arrangement that movable plate (11) removed.

2. The automatic solder paste brushing device according to claim 1, wherein: the lifting plate is characterized by further comprising a fixing column (4) fixed on the base (1), a first top plate (5) fixedly connected to the top of the fixing column (4), connecting plates (12) relatively fixed to two sides of the lifting plate (9), and clamping plates (13) fixed on the connecting plates (12) and used for fixing the carrier plate (14).

3. The automatic solder paste brushing device according to claim 1, wherein: each group of the brushing assemblies (16) comprises a lifting column (161) arranged on the moving plate (11) in a penetrating mode, a second top plate (162) fixedly connected to the top of the lifting column (161), a brushing plate (164) fixedly connected to the bottom of the lifting column (161), and a third driving device fixed to the moving plate (11) and used for driving the second top plate (162) to lift.

4. The automatic solder paste brushing device according to claim 1, wherein: the first driving device is a ball screw (8), the second driving device is a rodless cylinder (10), the lifting plate (9) is fixed on the ball screw (8), and the moving plate (11) is fixed on the rodless cylinder (10).

5. The automatic solder paste brushing device according to claim 3, wherein: the third driving device is a lifting cylinder (163), a cylinder body of the lifting cylinder (163) is fixed on the moving plate (11), and a guide rod of the lifting cylinder (163) is connected to the second top plate (162).

6. The automatic solder paste brushing device according to claim 1, wherein: the length of the carrier plate (14) is larger than that of the placing groove (3), and the width of the carrier plate (14) is larger than that of the placing groove (3).