CN214354924U - Printing machine scraper and printing machine with same - Google Patents

Abstract

The utility model discloses a printing machine scraper and printing machine that has it, the printing machine scraper includes: a fixed mount; the blade is arranged on the fixing frame, and one side of the blade forms a forward side and the other side of the blade forms a backward side; the stop block is arranged on the fixing frame and located at the end part of the blade, a soldering paste recovery groove is formed in one surface, facing the blade, of the stop block, and the soldering paste recovery groove is located on the advancing side. According to the utility model discloses printing machine scraper can effectively retrieve the soldering paste, has advantages such as the soldering paste is extravagant few, low in production cost and printing quality are good.

Description

Printing machine scraper and printing machine with same

Technical Field

The utility model belongs to the technical field of circuit board printing technique and specifically relates to a printing machine scraper and have its printing machine is related to.

Background

In the related art, the printer scraper generally comprises a blade and a fixing frame for fixing the blade, in the working process of the printer scraper, the solder paste can continuously overflow to two ends of the printer scraper, and the overflowing solder paste is not stirred for a long time and is easy to dry, so that the service life and the working performance of the solder paste are affected, a large amount of waste of the solder paste is caused, and the production cost is increased.

Some printer scrapers have the baffle additionally arranged at two ends for avoiding the overflow of soldering paste, but the soldering paste still can move to the two ends of the blade continuously in the movement of the printer scrapers and is stacked at the included angle between the blade and the baffle, so that the stacked soldering paste still has the problem of difficulty in recovery and can also cause a large amount of waste, and the stacked soldering paste can cause the surface of a template of the printer to be disordered and influence the printing quality.

SUMMERY OF THE UTILITY MODEL

The utility model discloses aim at solving one of the technical problem that exists among the prior art at least. Therefore, an object of the utility model is to provide a printing machine scraper, this printing machine scraper can effectively retrieve the soldering paste, has advantages such as the soldering paste is extravagant few, low in production cost and printing quality is good.

The utility model also provides a printing machine of having above-mentioned printing machine scraper.

In order to achieve the above object, an embodiment according to a first aspect of the present invention provides a printing press doctor blade, including: a fixed mount; the blade is arranged on the fixing frame, and one side of the blade forms a forward side and the other side of the blade forms a backward side; the stop block is arranged on the fixing frame and located at the end part of the blade, a soldering paste recovery groove is formed in one surface, facing the blade, of the stop block, and the soldering paste recovery groove is located on the advancing side.

According to the utility model discloses printer scraper, through installing the blade in the mount, the dog sets up on the mount, can realize the fixed of blade and dog through the mount, guaranteed the stability of relative position between blade and the dog promptly, can block that the soldering paste spills over, make the soldering paste blockked between dog and blade, the soldering paste can be by continuous stirring, avoided the soldering paste to dry out, can guarantee the life and the working property of soldering paste, the waste of soldering paste has been reduced, and then manufacturing cost has been reduced.

In addition, the one side that the dog faced the blade is provided with the soldering paste accumulator, when the printing machine scraper was lifted up (when the printing machine scraper moved towards the direction of keeping away from the template), the template was kept away from simultaneously to the soldering paste that is located the soldering paste accumulator, was convenient for retrieve the soldering paste in the soldering paste accumulator, has reduced the recovery degree of difficulty of soldering paste, has further reduced the waste of soldering paste to further reduction in production cost. And because the soldering paste has got into the soldering paste accumulator, can avoid the soldering paste to pile up in the contained angle department of dog and blade, can maintain the clean and tidy of the template surface of printing machine, improve printing quality.

According to the utility model discloses printing machine scraper can retrieve the soldering paste effectively, has advantages such as the soldering paste is extravagant few, low in production cost and printing quality are good.

According to some embodiments of the present invention, the solder paste recovery tank has a first sidewall, a second sidewall and a bottom wall, the first sidewall and the bottom wall are located on a forward side of the blade, the second sidewall is located on a backward side of the blade and is attached to the blade; and one surface of the stop block facing the blade is provided with a slot communicated with the soldering paste recovery groove, and the end part of the blade is inserted into the slot. Not only holds more soldering paste, improves the recycling efficiency of the soldering paste, but also reduces the probability of damage or breakage of the blade and prolongs the service life of the scraper of the printing machine.

According to some embodiments of the invention, a side surface of the stop facing the blade is configured with a first inclined surface which is inclined gradually towards a direction away from the blade in a direction towards a printing press stencil; a second inclined surface is formed on the surface of one side of the stop block, which faces away from the blade, and the second inclined surface gradually inclines towards the direction close to the blade along the direction close to the printing machine template; wherein the stop forms a template contact edge between the first inclined surface and the second inclined surface. Therefore, the contact area between the stop block and the template can be reduced, and the friction force between the stop block and the template can be further reduced, so that the probability of damage to the template caused by the stop block in the moving process is reduced, and the service life of the template is prolonged.

According to some embodiments of the present invention, the first inclined surface is inclined gradually toward a direction away from the blade in a direction from the advancing side to the retreating side, and a width of the first inclined surface is increased gradually; the second inclined surface is inclined gradually toward a direction approaching the blade in a direction from the retreating side to the advancing side, and a width of the second inclined surface is gradually increased. The drainage effect of the first inclined surface and the second inclined surface is better, and the resistance to movement of a scraper of the printing machine is further reduced.

According to some embodiments of the utility model, one side of soldering paste accumulator back to printing machine template has the opening, the dog is constructed with the anti-overflow muscle, the anti-overflow muscle is located the opening part, the tip of blade stop to in the anti-overflow muscle. The structure of soldering paste accumulator can be simplified on the one hand, the preparation processing of being convenient for, on the other hand does benefit to and takes out the soldering paste in the soldering paste accumulator from the opening part.

According to some embodiments of the invention, the stopper comprises: the mounting part is mounted on the fixed frame; the recovery part, the installation department with one in the recovery part is provided with the constant head tank and another is provided with the locating piece, the locating piece can install in plug-in the constant head tank, the soldering paste recovery groove form in the recovery part. The recovery part can be disassembled and assembled with the installation part through sliding, so that the disassembly and assembly difficulty between the installation part and the recovery part is further reduced, and the solder paste is convenient to recover.

According to some embodiments of the present invention, the recovery portion comprises a rigid core and a flexible sheath, the flexible sheath wrapping the rigid core. The flexible outer sleeve can play a buffering role, and the rigid core body can strengthen the structural strength of the recovery part.

According to some embodiments of the invention, the flexible casing is injection molded; a first bulge is arranged on one side surface of the recovery part facing the blade, and the soldering paste recovery groove is arranged on the first bulge; and a second protruding part is arranged on the surface of one side of the recovery part, which faces away from the blade. The production efficiency is high, and the structural strength of the recovery part can be further enhanced.

According to the utility model discloses a second aspect embodiment provides a printing machine, include: according to the utility model discloses a printing machine scraper of first aspect embodiment.

According to the utility model discloses a printing machine of second aspect embodiment, through utilizing according to the utility model discloses a first aspect embodiment the printing machine scraper, can retrieve the soldering paste effectively, have advantages such as the soldering paste is extravagant few, low in production cost and printing quality is good.

According to some embodiments of the utility model, the printing machine scraper is two and sets up side by side, two distance between the blade of printing machine scraper is along keeping away from the direction of mount is crescent. The printing efficiency of the printer is improved, and the recovery efficiency of the soldering paste can be ensured.

Additional aspects and advantages of the invention will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the invention.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

fig. 1 is a schematic structural diagram of a printing press doctor according to an embodiment of the present invention.

Fig. 2 is an exploded view of a printer blade according to an embodiment of the present invention.

Fig. 3 is a schematic structural diagram of a stop of a printing press doctor according to an embodiment of the present invention.

Fig. 4 is a schematic structural diagram of another view angle of a stopper of a printing press squeegee according to an embodiment of the present invention.

Fig. 5 is an exploded view of a stop of a printer squeegee according to an embodiment of the present invention.

Fig. 6 is a schematic structural view of two rows of printing press blades of a printing press according to an embodiment of the present invention.

Reference numerals:

a scraper 1 of the printing machine,

The soldering paste recovery device comprises a fixed frame 100, a blade 200, an advancing side 210, a retreating side 220, a blade back 230, a blade edge 240, a stopper 300, a soldering paste recovery groove 310, a first side wall 311, a second side wall 312, a bottom wall 313, an opening 314, a third side wall 315, a first inclined surface 320, a second inclined surface 330, an anti-overflow rib 340, a slot 350, a mounting portion 360, a mounting groove 361, a recovery portion 370, a flexible outer sleeve 371, a positioning block 372, a first protrusion portion 373, a second protrusion portion 374 and a template contact edge 380.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. 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.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element so referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.

In the description of the present invention, "a plurality" means two or more, and "a plurality" means one or more.

A printing press according to an embodiment of the present invention, which includes a printing press blade 1, will be described first with reference to the drawings.

For example, the above-described printer may be used for an SMT (Surface Mounted Technology) process, and has a stencil, which may be a metal mesh structure, such as a steel mesh. Wherein the printer blade 1 and the circuit board to be printed are located on opposite sides of the stencil and solder paste is placed on the side of the stencil facing the printer blade 1. It will be appreciated that the stencil has a plurality of apertures through which solder paste falls onto corresponding locations on the circuit board during movement of the solder paste by the squeegee 1 of the printer, thereby effecting printing of the circuit board.

A printing press blade 1 according to an embodiment of the present invention is described below with reference to the drawings.

As shown in fig. 1 to 5, a printing press doctor 1 according to an embodiment of the present invention includes a holder 100, a blade 200, and a stopper 300.

The blade 200 is mounted on the holder 100, one side of the blade 200 forms an advancing side 210 and the other side forms a retreating side 220, the advancing side 210 and the retreating side 220 are opposite sides of the blade 200, the stopper 300 is disposed on the holder 100 and located at an end portion of the blade 200, both ends of the blade 200 are provided with the stoppers 300, one surface of the stopper 300 facing the blade 200 is configured with a solder paste recovery groove 310, and the solder paste recovery groove 310 is located at the advancing side 210. The solder paste may be solder paste.

For example, the blade 200 is mounted on the fixing frame 100 by a threaded fastener, the blade 200 may be a stainless steel member with a thickness of 0.3mm, the threaded fastener includes a nut and a bolt, the bolt passes through the blade 200 and the nut is located on a side of the blade 200 facing away from the fixing frame 100 and connected with the bolt, a fixing plate may be disposed between the nut and the blade 200, a thickness of the fixing plate is greater than a thickness of the blade 200, for example, the fixing plate is a stainless steel member with a thickness of 1mm, and a width of the fixing plate is smaller than a width of the blade 200. By the arrangement of the fixing plate, damage and breakage of the blade 200 can be reduced while the stability of the connection between the blade 200 and the holder 100 is increased.

According to the utility model discloses printing machine scraper 1, through installing blade 200 in mount 100, dog 300 sets up on mount 100, can realize fixing blade 200 and dog 300 through mount 100, has guaranteed the stability of relative position between blade 200 and the dog 300 promptly, makes blade 200 not take place relative displacement between printing machine scraper 1 removal in-process and dog 300. And dog 300 is located the tip of blade 200, can block that the soldering paste overflows, makes the soldering paste blockked between dog 300 and blade 200, and the soldering paste can be by continuous stirring, has avoided the soldering paste to dry, can guarantee the life and the working property of soldering paste, has reduced the waste of soldering paste, and then has reduced manufacturing cost.

In addition, one side of the blade 200 forms an advancing side 210 and the other side forms a retreating side 220, one surface of the stopper 300 facing the blade 200 is provided with a solder paste recovery groove 310, the solder paste recovery groove 310 is positioned on the advancing side 210 and is recessed back to the blade 200, so that solder paste overflowing from two ends of the blade 200 can enter the solder paste recovery groove 310, when the printer scraper 1 is lifted up (when the printer scraper 1 moves towards a direction away from the stencil), the solder paste positioned in the solder paste recovery groove 310 is simultaneously away from the stencil, which is convenient for recovering the solder paste in the solder paste recovery groove 310, the recovery difficulty of the solder paste is reduced, the waste of the solder paste is further reduced, and the production cost is further reduced. And as the solder paste enters the solder paste recovery groove 310, the solder paste can be prevented from being accumulated at the included angle between the stopper 300 and the blade 200, the neatness of the template surface of the printer can be maintained, and the printing quality is improved.

Therefore, according to the utility model discloses printing machine scraper 1 and printing machine can effectively retrieve and remain the soldering paste, have that the soldering paste is extravagant few, low in production cost and printing quality advantage such as good.

According to some embodiments of the present invention, as shown in fig. 1 and 3, the solder paste recovery tank 310 has a first sidewall 311, a second sidewall 312, and a bottom wall 313, the first sidewall 311 and the bottom wall 313 are located on the advancing side 210 of the blade 200, and the second sidewall 312 is located on the retreating side 220 of the blade 200.

It can be appreciated that when the printer blade 1 is operated with solder paste placed on the advancing side 210 of the blade 200, the solder paste is mainly deposited on both ends of the advancing side 210 of the blade 200, and since the first sidewall 311 and the bottom wall 313 are located on the advancing side 210 of the blade 200, when the solder paste enters the solder paste reclamation groove 310, the first sidewall 311, the bottom wall 313 and the blade 200 can jointly prevent the solder paste from moving, so that the solder paste can be stably located in the solder paste reclamation groove 310, and the reclamation of the solder paste is facilitated. In addition, the second sidewall 312 is located on the receding side 220 of the blade 200, so that the blade 200 can be conveniently placed in the solder paste recovery tank 310, wherein the solder paste recovery tank 310 may have a third sidewall 315, and the third sidewall 315 is located at an end of the blade 200 and is attached to an end of the blade 200, so that the first sidewall 311, the third sidewall 315, the bottom wall 313 and the blade 200 can jointly prevent the solder paste from moving, the solder paste can be prevented from moving to the receding side 220, and the convenience of solder paste recovery is further increased.

Further, the second sidewall 312 conforms to the blade 200. Therefore, on one hand, the space formed by the first side wall 311, the bottom wall 313 and the blade 200 can be enlarged, so that more solder paste can be accommodated, and the recycling efficiency of the solder paste is improved; on the other hand, the second side wall 312 can support and position the blade 200, so that the damage or breakage probability of the blade 200 is further reduced, and the service life of the printing press scraper 1 is prolonged.

According to some embodiments of the present invention, as shown in fig. 3, the included angle between the bottom wall 313 and the first side wall 311 is an obtuse angle. This can further enlarge the accommodating space of the solder paste recovery tank 310 to accommodate more solder paste, and reduce the probability of overflow of solder paste from the solder paste recovery tank 310.

According to some embodiments of the present invention, as shown in fig. 3, the first sidewall 311 and the bottom wall 313 are in a circular arc transition. Therefore, on one hand, the stress at the joint of the first side wall 311 and the bottom wall 313 is uniform, the stress concentration at the joint of the first side wall 311 and the bottom wall 313 can be effectively avoided, and the integral stress capacity of the solder paste recovery tank 310 is improved; on the other hand, the transition between the first side wall 311 and the bottom wall 313 is smoother, the processing difficulty can be reduced, the processing is convenient, the production efficiency is improved, in addition, the dead angle can be eliminated, and the solder paste can be prevented from remaining at the connecting part of the first side wall 311 and the bottom wall 313.

According to some embodiments of the present invention, as shown in fig. 4 and 5, a side surface of the stopper 300 facing the blade 200 is configured with a first inclined surface 320, and the first inclined surface 320 is gradually inclined toward a direction close to the printing press template toward a direction away from the blade 200. The side surface of the stopper 300 facing away from the blade 200 is configured with a second inclined surface 330, and the second inclined surface 330 is gradually inclined toward the blade 200 toward the direction of approaching the printer stencil. The stop 300 forms a template contact edge 380 between the first angled surface 320 and the second angled surface 330. Wherein the stencil contact edge 380 directly contacts the stencil of the printer to block solder paste from spilling over the ends of the blade 200.

Through the arrangement of the first inclined surface 320 and the second inclined surface 330, the stopper 300 can have a flow guiding effect, and the movement resistance of the stopper 300 is reduced during the movement of the printing press doctor 1. In addition, the formation of the template contact edge 380 can reduce the contact area between the stopper 300 and the template, and further reduce the friction force between the stopper 300 and the template, thereby reducing the probability of damage to the template caused by the stopper 300 in the moving process and prolonging the service life of the template.

Further, as shown in fig. 2 and 4, the first inclined surface 320 is inclined in a direction from the forward side 210 to the backward side 220 to be gradually away from the blade 200, so that the contact between the portion of the surface of the stopper 300 facing the blade 200 on the forward side 210 and the blade 200 is ensured to be tight, the leakage of the solder paste can be avoided, the width of the stencil contact edge 380 can be reduced, and the resistance to the movement of the stopper 300 toward the backward side 220 can be reduced.

In addition, the second inclined surface 330 is inclined gradually in a direction from the retreating side 220 to the advancing side 210 toward the insert 200. Thus, the width of the die plate contact edge 380 is small from the advancing side 210 to the retreating side 220, and the resistance to the movement of the stopper 300 toward the advancing side 210 can be reduced.

Further, the width of the first inclined surface 320 gradually increases in a direction from the advancing side 210 to the retreating side 220, that is, the width of the end of the first inclined surface 320 close to the advancing side 210 is smallest and the width of the end close to the retreating side 220 is largest, wherein the width of the first inclined surface 320 refers to a distance between a side edge of the first inclined surface 320 far from the die plate and a side edge of the first inclined surface 320 close to the die plate. The width of the second inclined surface 330 gradually increases in a direction from the receding side 220 to the advancing side 210, that is, the width of the end of the second inclined surface 330 near the advancing side 210 is the largest and the width of the end near the receding side 220 is the smallest, wherein the width of the second inclined surface 330 refers to the distance between the edge of the second inclined surface 330 far from the template and the edge of the second inclined surface 330 near the template. Thus, the first inclined surface 320 and the second inclined surface 330 have better drainage effect, and further reduce the resistance of the movement of the printing press doctor 1.

According to some embodiments of the present invention, as shown in fig. 3 and 5, one side of the solder paste recovery tank 310 facing away from the printer stencil has an opening 314, the stopper 300 is configured with an anti-overflow rib 340, the anti-overflow rib 340 is located at the opening 314, and the end of the blade 200 abuts against the anti-overflow rib 340. In the single printing operation of the printer, the space of the solder paste recycling groove 310 is generally enough to accommodate the solder paste moving to the two ends of the blade 200, so that the opening 314 is provided, on one hand, the structure of the solder paste recycling groove 310 can be simplified, and the manufacturing and processing are convenient, and on the other hand, the solder paste in the solder paste recycling groove 310 can be taken out from the opening 314.

Optionally, the anti-overflow rib 340 may be configured to be a semi-cylindrical shape, the arc surface is convenient to process and is not prone to stress concentration, in addition, the anti-overflow rib 340 may be disposed at the position close to the opening 314 and extend to the backward side 220 along the forward side 210, the anti-overflow rib 340 is additionally disposed, the end portion of the blade 200 abuts against the anti-overflow rib 340, solder paste is further prevented from overflowing from the opening 314, and meanwhile the blade and the stopper 300 can be tightly attached to each other.

According to some embodiments of the present invention, as shown in fig. 3, a side of the stopper 300 facing the blade 200 is configured with a slot 350 communicating with the solder paste recovery groove 310, and an end of the blade 200 is inserted into the slot 350. Wherein the side wall of the slot 350 on the back side 220 of the blade 200 may be smoothly connected with the second side wall 312, e.g., flush to be in the same plane.

It is understood that the arrangement of the slot 350 increases the positional stability between the blade 200 and the stopper 300, with one portion of the end of the blade 200 inserted into the slot 350 and the other portion positioned in the solder paste recovery groove 310.

According to some embodiments of the present invention, as shown in fig. 1 and 2, the blade 200 has a blade back 230 and a blade edge 240, and the blade edge 240 is disposed obliquely to the advancing side 210 with respect to the blade back 230. Wherein the blade 240 contacts the template, and the blade back 230 contacts the holder 100. Therefore, the pressure of the blade 200 on the template can be reduced, the template is prevented from being damaged, the movement resistance of the blade 200 can be reduced, and the moving fluency of the printing machine scraper 1 is improved. In addition, the blade 200 is thus easily pushed to move as it moves toward the advancing side 210; the position of the solder paste changes little or no as the blade 200 moves toward the receding side 220.

It should be understood that the blade 240 of the blade 200 does not mean that the structure is required to be very sharp, but only that the side edge of the blade 200 that faces the stencil is used.

According to some embodiments of the present invention, as shown in fig. 3-5, the stopper 300 includes an installation portion 360 and a recovery portion 370, the installation portion 360 is installed in the fixing frame 100, the recovery portion 370 is installed in the installation portion 360 and contacts with the blade 200, and the solder paste recovery groove 310 is formed in the recovery portion 370.

Through setting up the dog 300 components of a whole that can function independently, recovery portion 370 detachably installs in installation department 360, and when printing machine scraper 1 stopped working, only need pull down recovery portion 370 and blade 200 and can retrieve the interior soldering paste of soldering paste recovery tank 310, and need not carry out holistic dismantlement to printing machine scraper 1, be convenient for further retrieve the soldering paste.

According to some embodiments of the present invention, the recycling portion 370 includes a rigid core (not shown) and a flexible outer sleeve 371, the flexible outer sleeve 371 enveloping the rigid core.

For example, the flexible outer sleeve 371 can be an elastic member (e.g., a silicone member), elastic deformation can occur, and through the setting of the flexible outer sleeve 371, when the recovery part 370 stops abutting against the template, the flexible outer sleeve 371 can play a role in buffering, which can ensure tight contact between the recovery part 370 and the template, and avoid damage due to too large stress on the template, and because the flexible outer sleeve 371 can occur elastic deformation, the universality of the printing machine scraper 1 is improved, so the printing machine scraper 1 can be used for printing machines of different types. In addition, the rigid core may be a metal member, such as an aluminum alloy member, and by providing the rigid core, the structural strength of the recycling portion 370 may be enhanced, and deformation of the recycling portion 370 during operation may be avoided.

According to some embodiments of the present invention, as shown in fig. 3-5, one of the installation part 360 and the recovery part 370 is provided with a positioning groove 361 and the other is provided with a positioning block 372, and the positioning block 372 is installed in the positioning groove 361 in a pluggable manner.

Alternatively, the mounting part 360 may be provided with a positioning groove 361, the recovery part 370 may be provided with a positioning block 372, the positioning groove 361 extends along the forward side 210 to the backward side 220 and penetrates through the mounting part 360, and a cross section of the positioning groove 361 and a cross section of the positioning block 372 may be T-shaped and adapted to each other. Thus, the recovery part 370 can be detached from the installation part 360 by sliding, the difficulty in detaching the installation part 360 from the recovery part 370 is further reduced, and the stability in connection between the recovery part 370 and the installation part 360 can be ensured.

According to some embodiments of the present invention, as shown in fig. 4 and 5, the flexible outer sleeve 371 is injection molded, i.e. the flexible outer sleeve 371 is formed on the outer surface of the rigid core by injection molding. Thus, the production efficiency is high, and the wrapping effect of the flexible outer sleeve 371 on the rigid core is better.

In addition, a side surface of the recovery part 370 facing the blade 300 is provided with a first protrusion 373, the solder paste recovery groove 310 is provided with the first protrusion 373, and a side surface of the recovery part 370 facing away from the blade 200 is provided with a second protrusion 374. Since the solder paste recovery groove 310 is provided in the first protrusion portion 373, and the first protrusion portion 373 protrudes toward the blade 300, the accommodation space of the solder paste recovery portion 310 can be increased. Moreover, the first protrusion 373 and the second protrusion 374 can further enhance the structural strength of the recycling portion 370, and facilitate the flexible outer sleeve 371 to be ejected after injection molding.

According to some embodiments of the present invention, as shown in fig. 6, the two printing press scrapers 1 are arranged side by side, and the distance between the blades 200 of the two printing press scrapers 1 gradually increases in the direction away from the fixing frame 100.

It will be appreciated that the blades 200 of the two printer blades 1 each have a printer blade 1 on the trailing side 220 of the other printer blade 1, so that the two printer blades 1 can move back and forth together, and when the two printer blades 1 move back and forth together, one printer blade 1 always works normally, which is beneficial to improving the printing efficiency of the printer.

In addition, the solder paste recovery groove 310 of each of the two printer blades 1 is located on the side facing away from the other printer blade 1, so that one solder paste recovery groove 310 can always fully recover the solder paste during the reciprocating movement of the two printer blades 1 together, and the recovery efficiency of the solder paste can be ensured.

Other configurations and operations of the printing press doctor blade 1 and the printing press having the same according to the embodiments of the present invention are known to those skilled in the art and will not be described in detail herein.

In the description herein, references to the description of the term "one embodiment," "some embodiments," "an illustrative embodiment," "an example," "a specific example," or "some examples" or the like mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents.

Claims (10)

1. A printing press doctor, characterized in that it comprises:

a fixed mount;

the blade is arranged on the fixing frame, and one side of the blade forms a forward side and the other side of the blade forms a backward side;

the stop block is arranged on the fixing frame and located at the end part of the blade, a soldering paste recovery groove is formed in one surface, facing the blade, of the stop block, and the soldering paste recovery groove is located on the advancing side.

2. The printer squeegee of claim 1, wherein the solder paste recovery gutter has a first sidewall, a second sidewall, and a bottom wall, the first sidewall and the bottom wall being on a forward side of the blade, the second sidewall being on a reverse side of the blade and abutting the blade;

and one surface of the stop block facing the blade is provided with a slot communicated with the soldering paste recovery groove, and the end part of the blade is inserted into the slot.

3. The printer squeegee of claim 1 wherein a side surface of the stopper facing the blade is configured with a first inclined surface that is gradually inclined in a direction away from the blade in a direction toward the printer stencil;

a second inclined surface is formed on the surface of one side of the stop block, which faces away from the blade, and the second inclined surface is gradually inclined towards the direction close to the blade along the direction close to the printing machine template;

wherein the stop forms a template contact edge between the first inclined surface and the second inclined surface.

4. The printer blade according to claim 3 wherein the first inclined surface is inclined gradually in a direction from the advancing side to the retreating side, in a direction away from the blade, and the width of the first inclined surface is gradually increased;

the second inclined surface is inclined gradually toward a direction approaching the blade in a direction from the retreating side to the advancing side, and a width of the second inclined surface is gradually increased.

5. The printer squeegee of claim 1, wherein a side of the solder paste recovery gutter facing away from the printer stencil has an opening, the stop is configured with an anti-overflow rib, the anti-overflow rib is located at the opening, and an end of the blade abuts against the anti-overflow rib.

6. The printer squeegee of claim 1, wherein the stop comprises:

the mounting part is mounted on the fixed frame;

the recovery part, the installation department with one in the recovery part is provided with the constant head tank and another is provided with the locating piece, the locating piece can install in plug-in the constant head tank, the soldering paste recovery groove form in the recovery part.

7. The printer blade of claim 6 wherein the recovery portion comprises a rigid core and a flexible jacket, the flexible jacket encasing the rigid core.

8. The printer doctor according to claim 7, characterised in that the flexible jacket is injection moulded;

a first bulge is arranged on one side surface of the recovery part facing the blade, and the soldering paste recovery groove is arranged on the first bulge;

and a second protruding part is arranged on the surface of one side of the recovery part, which faces away from the blade.

9. A printing press, comprising:

the printer blade of any of claims 1-8.

10. A printing press according to claim 9, wherein the two printing press blades are arranged side by side, the distance between the blades of the two printing press blades increasing in a direction away from the holder.

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