CN217892237U

CN217892237U - Dustproof device for soldering paste printer

Info

Publication number: CN217892237U
Application number: CN202220434930.8U
Authority: CN
Inventors: 李娜娜
Original assignee: Xingyu Automation Shenzhen Co ltd
Current assignee: Xingyu Automation Shenzhen Co ltd
Priority date: 2022-03-02
Filing date: 2022-03-02
Publication date: 2022-11-25
Anticipated expiration: 2032-03-02

Abstract

The utility model discloses a dust keeper for solder paste printing machine relates to the solder paste printing machine field. The utility model discloses a printing machine body, dust cover and dust collection box, the dust collection box is installed at the top of dust cover, the inboard of second motor is provided with the screw rod, the bottom fixed mounting that the movable block was cup jointed in the outside activity of screw rod has the mounting bracket, the axle center department of mounting bracket bottom is provided with the bracing piece, the cleaning brush of making for preventing the static material is installed to the bottom of bracing piece, the utility model discloses a second motor, the dust of adhesion is thoroughly clear away on the drive cleaning brush with the circuit board raw materials in the operation district, make the device have the efficiency of cleaning up that removes dust to the raw materials, the dustproof effect of the device has been promoted, and simultaneously, the dust collection box of setting, can utilize the change of the internal external pressure of box that suction chamber inner structure arouses, the dust that the messenger was swept down by the cleaning brush is carried to the outside through intake pipe and outlet duct, the clean effect of circuit board has further been improved.

Description

Dustproof device for soldering paste printer

Technical Field

The utility model relates to a solder paste printing machine field specifically is a dust keeper 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 of the automatic paster-mounting machine is that a circuit board to be printed is fixed on a printing positioning table, then solder paste or red glue is subjected to screen printing on corresponding bonding pads through a steel mesh by a left scraper and a right scraper of the printing machine, and the PCB with uniform screen printing is input into the paster-mounting machine through a transmission table to be subjected to automatic paster mounting.

According to the inspection, chinese patent No. CN202020509331.9 discloses a dustproof device for solder paste printer, which uses an exhaust fan to blow the clean air filtered by an air filter cartridge and an activated carbon filter screen into the inner cavity of the solder paste printer, so as to ensure that the inner cavity of the solder paste printer always belongs to a positive air pressure state, so that when the movable door is opened, the air in the external environment will not enter the inner cavity of the solder paste printer, and the dustproof effect is significantly improved.

SUMMERY OF THE UTILITY MODEL

Based on this, the utility model aims at providing a dust keeper for soldering paste printing machine to solve and lack the measure of carrying out thorough dust removal to the raw materials, lead to the circuit board raw materials directly to appear the flaw after printing, reduced the dustproof effect of printing machine extremely, make the problem of the quality of printing discount greatly.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a dust keeper for soldering paste printing machine, includes printing machine body, dust cover and dust collection box, the dust cover is installed at the top of printing machine body, the dust collection box is installed at the top of dust cover, the second motor is installed to the top of dust cover one side, the inboard of second motor is provided with the screw rod, the movable block has been cup jointed in the outside activity of screw rod, the dead lever is installed to the inboard of dust cover, the bottom fixed mounting of movable block has the mounting bracket, the axle center department of mounting bracket bottom is provided with the bracing piece, the bottom of bracing piece is installed the cleaning brush for preventing that the static material was made, and the bottom of cleaning brush offsets with the operation district in the printing machine body.

By adopting the technical scheme, through the second motor, the driving screw rotates at a uniform speed, the moving block is enabled to horizontally move back and forth, the cleaning brush is driven to synchronously and reciprocally slide, dust adhered to circuit board raw materials in an operation area is thoroughly removed, the device has the effect of removing dust and cleaning the raw materials, the dustproof effect of the device is improved, meanwhile, the dust collection box is arranged, the change of internal and external pressure in the box caused by the internal structure of the suction cavity can be utilized, the dust removed by the cleaning brush is conveyed to the outside through the air inlet pipe and the air outlet pipe, the cleaning effect of the circuit board is further improved, in addition, when air flow with the dust passes through the purification cavity, the dust and pungent smell on the circuit board are completely purified and then discharged to the outside, the cleanliness of the surrounding operation environment is ensured, the influence on the environment and workers is reduced, the using effect of the device is further improved, and the practicability is better.

Furthermore, the dust collection box comprises a purification cavity, a suction cavity, a through groove, an air inlet pipe and an air outlet pipe, the purification cavity is arranged below the interior of the dust collection box, the suction cavity is arranged above the interior of the dust collection box, the through groove is formed in one end of the joint between the purification cavity and the suction cavity, the air inlet pipe penetrates through the bottom of the dust collection box, and the air outlet pipe penetrates through the top of the dust collection box.

Through adopting above-mentioned technical scheme, make the inside air current of dust cover can the purification treatment after, by the circulating reciprocating suction to the outside, further ensured the dust removal effect of circuit board raw materials, reduce the probability that the flaw appears after the follow-up printing, ensured the processingquality of soldering paste printing machine.

Further, check valves are installed in the air inlet pipe and the air outlet pipe, wherein the flowing direction of the medium in the air inlet pipe is the inside of the dust collection box flowing direction purification cavity, the flowing direction of the medium in the air outlet pipe is the outside of the flowing direction of the inside of the suction cavity, the air inlet pipe is a rubber hose and comprises a branch pipe and a dust hood, the other end of the air inlet pipe, far away from the dust collection box, is communicated with the branch pipe, the other end of the branch pipe is communicated with the dust hood, and the dust hood is arranged in a mirror mode by taking the cleaning brush as a longitudinal central axis.

Through adopting above-mentioned technical scheme, when making the cleaning brush carry out reciprocating motion, drive the intake pipe and carry out synchronous motion to the dust that will be swept down by the cleaning brush is all through intake pipe and outlet duct unidirectional transport to the outside, prevents that the inside medium of pipeline from taking place to flow against the current, leads to the phenomenon that the dust removal process hinders to appear.

Further, purify the chamber and include filter and adsorption plate, purify the inside radial installation in chamber and have filter and adsorption plate, the filter is located the adsorption plate under the position.

Through adopting above-mentioned technical scheme, the messenger has the air current of dust to be purified by filter and adsorption plate to clear away absorption processing with dust and irritability peculiar smell wherein comprehensively, further promoted the device's purifying effect, reduce the influence to external environment and staff, the practicality is better.

Further, the suction chamber includes piston piece, rack, reset spring, first motor and incomplete gear, the inside block in suction chamber has slided the piston piece, and the width of piston piece is greater than the groove width that leads to the groove, the outside fixedly connected with rack of piston piece, and the tooth part in the rack is in the below position, reset spring has been cup jointed in the outside activity of rack, the bottom meshing of the rack other end is connected with incomplete gear, first motor is installed in the outside of incomplete gear, and first motor and external power source electric connection.

Through adopting above-mentioned technical scheme, when making incomplete gear and rack take place the meshing transmission, it slides to drive the piston piece and turn left, extrusion reset spring shrink, thereby pass through the air current that has the dust in the dust cover and get into the purification intracavity by leading to the groove behind the purification chamber purification treatment, and according to reset spring's spring action, it resets to make the piston piece slide right, the clean air current that will purify the intracavity suction passes through the outlet duct and releases to external world at the uniform velocity, so that utilize the difference of pressure, realize the inside and outside air current circulation suction effect of reciprocating of dust cover, the clean effect of circuit board has further been improved.

Furthermore, the second motor is electrically connected with an external power supply, the output end of the second motor is fixedly connected with the screw rod, the screw rod is movably connected with the moving block in a threaded mode, and the moving block is in sliding connection with the fixed rod.

Through adopting above-mentioned technical scheme, drive screw rotates at the uniform velocity, makes the movable block carry out horizontal round trip movement to drive the cleaning brush and carry out synchronous reciprocal slip, clear away thoroughly the dust of adhesion on the circuit board raw materials in the operation district, make the device have the efficiency of removing dust and clearing up the raw materials, promoted the device's dustproof effect.

To sum up, the utility model discloses mainly have following beneficial effect:

1. the utility model discloses a second motor, drive screw take place at the uniform velocity rotation, under the cooperation through the slip mode between movable block and the dead lever, make the bracing piece drive the cleaning brush and carry out horizontal round trip movement to clean the dust of adhesion on the circuit comprehensively, clear away the dust of adhesion on the circuit board raw materials in the operation district thoroughly, make the device have the efficiency of removing dust the clearance to the raw materials, promoted the device's dustproof effect.

2. The utility model discloses a dust collection box that sets up, can utilize the change of the internal and external pressure of box that the suction chamber inner structure arouses, the dust that the messenger was swept down by the cleaning brush passes through the intake pipe and the outlet duct is carried to the outside, the clean effect of circuit board has further been improved, in addition, the air current that has the dust is when purifying the chamber, discharge to the external world after the pungent smell on wherein dust and the circuit board can purify completely, thereby guarantee the cleanliness of operation environment on every side, reduce the influence to environment and staff, the device's result of use has further been promoted, the practicality is better.

Drawings

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

FIG. 2 is a schematic cross-sectional view of the present invention;

FIG. 3 is a schematic view of the internal structure of the dust collecting box of the present invention;

fig. 4 is an enlarged schematic structural diagram of a in fig. 2 according to the present invention.

In the figure: 1. a printer body; 2. a dust cover; 3. a dust collection box; 301. a purification chamber; 3011. a filter plate; 3012. an adsorption plate; 302. a suction lumen; 3021. a piston block; 3022. a rack; 3023. a return spring; 3024. a first motor; 3025. an incomplete gear; 303. a through groove; 304. an air inlet pipe; 3041. a branch pipe; 3042. a dust hood; 305. an air outlet pipe; 4. a second motor; 5. a screw; 6. fixing the rod; 7. a moving block; 8. a mounting frame; 9. a support bar; 10. a cleaning brush.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention. The embodiments described below with reference to the drawings are exemplary only for the purpose of explaining the present invention, and should not be construed as limiting the present invention.

The following describes an embodiment of the present invention according to its overall structure.

A dustproof device for a solder paste printer is shown in figures 1-4 and comprises a printer body 1, a dust cover 2 and a dust collection box 3, wherein the dust cover 2 is installed at the top of the printer body 1, the dust collection box 3 is installed at the top of the dust cover 2, a second motor 4 is installed above one side of the dust cover 2, a screw rod 5 is arranged on the inner side of the second motor 4, a movable block 7 is movably sleeved on the outer side of the screw rod 5, a fixed rod 6 is installed on the inner side of the dust cover 2, an installation frame 8 is fixedly installed at the bottom of the movable block 7, a supporting rod 9 is arranged at the axis of the bottom of the installation frame 8, a cleaning brush 10 made of an antistatic material is installed at the bottom of the supporting rod 9, and the bottom of the cleaning brush 10 is abutted against an operation area in the printer body 1.

Referring to fig. 1-3, the dust box 3 includes a cleaning chamber 301, a suction chamber 302, a through groove 303, an air inlet pipe 304 and an air outlet pipe 305, the cleaning chamber 301 is disposed below the inside of the dust box 3, the suction chamber 302 is disposed above the inside of the dust box 3, the through groove 303 is disposed at one end of the connection between the cleaning chamber 301 and the suction chamber 302, the air inlet pipe 304 penetrates through the bottom of the dust box 3, and the air outlet pipe 305 penetrates through the top of the dust box 3, so that the air flow inside the dust cover 2 is cleaned and then is circularly and reciprocally sucked to the outside, thereby further ensuring the dust removal effect of the circuit board raw material, reducing the probability of defects after subsequent printing, and ensuring the processing quality of the solder paste printer.

Referring to fig. 2-3, the air inlet pipe 304 and the air outlet pipe 305 are both provided with one-way valves, wherein the flow direction of the medium in the air inlet pipe 304 is that the outside of the dust box 3 flows to the inside of the cleaning cavity 301, the flow direction of the medium in the air outlet pipe 305 is that the inside of the suction cavity 302 flows to the outside, the air inlet pipe 304 is a rubber hose, the air inlet pipe 304 comprises a branch pipe 3041 and a dust hood 3042, the other end of the air inlet pipe 304, which is far away from the dust box 3, is communicated with a branch pipe 3041, the other end of the branch pipe 3041 is communicated with a dust hood 3042, and the two dust hoods 3042 are arranged in a mirror image by taking the cleaning brush 10 as a longitudinal central axis, so that the air inlet pipe 304 is driven to move synchronously while the cleaning brush 10 reciprocates, so that all the dust swept down by the cleaning brush 10 is unidirectionally conveyed to the outside through the air inlet pipe 304 and the air outlet pipe 305, thereby preventing the medium inside of the pipe from flowing backwards and causing the phenomenon of blocking the dust removal process.

Referring to fig. 3, the purifying chamber 301 includes a filter plate 3011 and an adsorption plate 3012, the filter plate 3011 and the adsorption plate 3012 are radially installed inside the purifying chamber 301, the filter plate 3011 is located under the adsorption plate 3012, so that the air flow with dust can be purified by the filter plate 3011 and the adsorption plate 3012, thereby completely removing and absorbing the dust and the pungent odor therein, further improving the purifying effect of the device, reducing the influence on the external environment and the staff, and having better practicability.

Referring to fig. 1-3, the suction chamber 302 includes a piston block 3021, a rack 3022, a return spring 3023, a first motor 3024 and an incomplete gear 3025, the piston block 3021 is slidably engaged inside the suction chamber 302, the width of the piston block 3021 is greater than the width of the through groove 303, the rack 3022 is fixedly connected to the outside of the piston block 3021, the teeth of the rack 3022 are located at a lower position, the return spring 3023 is movably sleeved on the outside of the rack 3022, the incomplete gear 3025 is engaged with the bottom of the other end of the rack 3022, the first motor 3024 is mounted on the outside of the incomplete gear 3025, and the first motor 3024 is electrically connected to an external power source, so that when the incomplete gear 3022 is engaged with the rack 3022, the piston block 3021 is driven to slide to the left, the return spring 3023 is compressed, thereby allowing the air flow with the dust in the cleaning chamber 301 to enter the cleaning chamber 301 through the through groove 303, and the return spring force of the return spring 3023, thereby releasing the piston block 3021 to return the air flow in the cleaning chamber 301 to further increase the dust suction effect and further increase the dust suction effect.

Referring to fig. 2 and 4, the second motor 4 is electrically connected to an external power source, an output end of the second motor 4 is fixedly connected to the screw rod 5, the screw rod 5 is movably connected to the moving block 7 in a threaded manner, the moving block 7 is slidably connected to the fixing rod 6, the screw rod 5 is driven to rotate at a constant speed, and the moving block 7 moves horizontally back and forth, so as to drive the cleaning brush 10 to synchronously slide back and forth, and thoroughly remove dust adhered to circuit board raw materials in an operation area, so that the device has the effects of removing dust and cleaning the raw materials, and the dust-proof effect of the device is improved

The implementation principle of the embodiment is as follows: firstly, when a circuit board is far away from an operation area arranged in a printer body 1, a second motor 4 is started to drive a screw rod 5 to rotate at a constant speed, a supporting rod 9 drives a cleaning brush 10 to horizontally move back and forth through the matching of a sliding mode between a moving block 7 and a fixed rod 6 so as to completely clean dust adhered on a circuit, meanwhile, a first motor 3024 is started to drive an incomplete gear 3025 to rotate, the piston 3021 to slide left by using the biting force generated by the meshing of the incomplete gear 3025 and the rack 3022, a return spring 3023 is squeezed to shrink, so that air flow with dust is sucked into a purification cavity 301 through an air inlet pipe 304 to be purified and then enters the purification cavity 301 through a through groove 303, the piston 3021 slides right to be reset according to the elastic force of the return spring 3023, and clean air flow sucked into the purification cavity 301 is released to the outside at a constant speed through an air outlet pipe 305, so that the circular and reciprocating suction action of the air flow inside and outside of a dust cover 2 is realized by using the difference of pressure; in addition, the filter plate 3011 and the adsorption plate 3012 can remove and absorb dust and pungent odor in the air current comprehensively, reduce the influence of its direct discharge on the external environment and staff.

Although embodiments of the present invention have been shown and described, it is intended that the present embodiments be illustrative only and not limiting to the invention, and that the particular features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples, and that modifications, substitutions, variations, and the like, which are not inventive in light of the above teachings, may be made to the embodiments by those skilled in the art without departing from the principles and spirit of the present invention, but are to be construed as broadly as the following claims.

Claims

1. The utility model provides a dust keeper for solder paste printing machine, includes printing machine body (1), dust cover (2) and dust collection box (3), its characterized in that: the printing machine comprises a printing machine body (1), and is characterized in that a dust cover (2) is installed at the top of the printing machine body (1), a dust collection box (3) is installed at the top of the dust cover (2), a second motor (4) is installed above one side of the dust cover (2), a screw rod (5) is arranged on the inner side of the second motor (4), a movable block (7) is movably sleeved on the outer side of the screw rod (5), a fixed rod (6) is installed on the inner side of the dust cover (2), a mounting frame (8) is fixedly installed at the bottom of the movable block (7), a supporting rod (9) is arranged at the axis center of the bottom of the mounting frame (8), a cleaning brush (10) made of an anti-static material is installed at the bottom of the supporting rod (9), and the bottom of the cleaning brush (10) offsets with an operation area in the printing machine body (1).

2. The dust keeper for a solder paste printer of claim 1, wherein: the dust collection box (3) comprises a purification cavity (301), a suction cavity (302), a through groove (303), an air inlet pipe (304) and an air outlet pipe (305), the purification cavity (301) is arranged below the inside of the dust collection box (3), the suction cavity (302) is arranged on the inside of the dust collection box (3), the through groove (303) is formed in one end of the connection part between the purification cavity (301) and the suction cavity (302), the air inlet pipe (304) penetrates through the bottom of the dust collection box (3), and the air outlet pipe (305) penetrates through the top of the dust collection box (3).

3. The dust keeper for a solder paste printer as claimed in claim 2, wherein: the inside of intake pipe (304) and outlet duct (305) all installs check valve, and wherein the flow direction of medium is inside the outside flow direction purification chamber (301) of dust collection box (3) in intake pipe (304), and the flow direction of medium is outside the inside flow direction of suction chamber (302) in outlet duct (305), intake pipe (304) are rubber hose, and intake pipe (304) include branch pipe (3041) and suction hood (3042), the other end intercommunication that the dust collection box (3) was kept away from in intake pipe (304) has branch pipe (3041), the other end intercommunication of branch pipe (3041) has suction hood (3042), and two suction hood (3042) use cleaning brush (10) to be the setting of mirror image as vertical axis.

4. The dust keeper for a solder paste printer of claim 2, wherein: purify chamber (301) including filter (3011) and adsorption plate (3012), filter (3011) and adsorption plate (3012) are radially installed to the inside in purification chamber (301), filter (3011) are located adsorption plate (3012) under the position.

5. The dust keeper for a solder paste printer as claimed in claim 2, wherein: the suction cavity (302) comprises a piston block (3021), a rack (3022), a return spring (3023), a first motor (3024) and an incomplete gear (3025), the inside block of the suction cavity (302) slides the piston block (3021), the width of the piston block (3021) is greater than the width of the through groove (303), the rack (3022) is fixedly connected to the outer side of the piston block (3021), the teeth in the rack (3022) are located at the lower position, the return spring (3023) is movably sleeved on the outer side of the rack (3022), the incomplete gear (3025) is engaged with the bottom of the other end of the rack (3022), the first motor (3024) is installed on the outer side of the incomplete gear (3025), and the first motor (3024) is electrically connected with an external power supply.

6. The dust keeper for a solder paste printer as recited in claim 1, wherein: the second motor (4) is electrically connected with an external power supply, the output end of the second motor (4) is fixedly connected with the screw rod (5), the screw rod (5) is movably connected with the moving block (7) in a threaded mode, and the moving block (7) is in sliding connection with the fixed rod (6).