CN216033125U

CN216033125U - Scraper adjusting mechanism

Info

Publication number: CN216033125U
Application number: CN202121720692.9U
Authority: CN
Inventors: 陈能相; 柏禹; 黄炳道; 吕宁; 杨光富
Original assignee: Dongguan City Satisfactory Automation Equipment Co ltd
Current assignee: Dongguan City Satisfactory Automation Equipment Co ltd
Priority date: 2021-07-27
Filing date: 2021-07-27
Publication date: 2022-03-15
Anticipated expiration: 2031-07-27

Abstract

The utility model discloses a scraper adjusting mechanism which comprises a mounting plate, a servo motor, a scraper assembly and a screw rod assembly, wherein the servo motor is arranged above the mounting plate, the scraper assembly is arranged below the mounting plate, the screw rod assembly comprises a rotating screw rod and a sliding sleeve, the rotating screw rod is connected with the servo motor through a coupling, the sliding sleeve is in threaded connection with the rotating screw rod, the scraper assembly is fixedly connected with the sliding sleeve through a connecting piece, and the servo motor drives the screw rod assembly to drive the scraper assembly to move up and down. The utility model provides a scraper adjusting mechanism which is convenient for people to adjust the height of a scraper, so that the matching between the scraper and a screen printing plate can be more accurate, and the printing quality is improved.

Description

Scraper adjusting mechanism

Technical Field

The utility model relates to the technical field of printing equipment, in particular to a scraper adjusting mechanism.

Background

The existing printing equipment mainly adopts a screen printing mode to print, firstly, a printing stock is fixed on a bedplate, then, a screen printing plate is corresponding to the bedplate and the printing stock on the bedplate, the screen printing plate is close to or clings to the printing stock, and then, a scraper is pressed down and moves along the screen printing plate, so that ink or paint on the screen printing plate is scraped on the printing stock, and printing processing of the printing stock is completed.

However, when different printing materials, different screens and different patterns are required, the height of the scraper needs to be adjusted, so that the contact between the scraper and the screens is at a good height, and the scraper can also scrape ink or paint on the printing materials with enough force. The prior scraper is usually fixed on a moving mechanism of a printing machine, the scraper is driven by the moving mechanism to reciprocate, the moving mechanism moves up and down repeatedly through a cylinder at present, but the problem that the self-locking of a stroke adjusting device is poor, the situation of displacement can occur, and the accuracy of the force of the scraper is influenced. In addition, for some special processes, when the force of the scraper needs to be changed, the current adjusting mechanism cannot meet the requirement, the precision problem between the scraper and the screen printing plate is influenced, and the printing quality is reduced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a scraper adjusting mechanism which is convenient for people to adjust the height of a scraper, so that the scraper and a screen printing plate can be matched more accurately, and the printing quality is improved.

The technical scheme adopted by the scraper adjusting mechanism disclosed by the utility model is as follows:

the utility model provides a scraper guiding mechanism, includes mounting panel, servo motor, scraper subassembly and lead screw subassembly, servo motor sets up in the mounting panel top, the scraper subassembly sets up in the mounting panel below, the lead screw subassembly is including rotating lead screw and sliding sleeve, it passes through the coupling joint with servo motor to rotate the lead screw, sliding sleeve and rotation lead screw threaded connection, the scraper subassembly passes through connecting piece and sliding sleeve fixed connection, servo motor drives the lead screw subassembly and drives the scraper subassembly and reciprocate.

As preferred scheme, servo motor is fixed in the mounting panel both sides through the riser, the connecting piece includes slide rail and sliding sleeve, the slide rail sets up in rotation lead screw one side, the sliding sleeve sets up in the slide rail surface, sliding sleeve and slide rail sliding connection, just sliding sleeve and sliding sleeve fixed connection, scraper subassembly both ends respectively with sliding sleeve fixed connection, just the scraper subassembly is located the mounting panel below.

As preferred scheme, servo motor passes through the support frame and sets up in the mounting panel top, the connecting piece includes sleeve pipe and rolling bearing, the rotation lead screw passes the support frame, the rotation lead screw passes through rolling bearing with the support frame and rotates and be connected, the sleeve pipe is fixed in the sliding sleeve below, just the sleeve pipe cover is located and is rotated the lead screw outside, the through-hole has been seted up on the mounting panel surface, sleeve pipe and through-hole sliding connection, the scraper subassembly sets up in the mounting panel below, the scraper subassembly is fixed in the sleeve pipe below.

Preferably, the support frame is provided with a displacement sensor, the surface of the sleeve is provided with a detection sheet, and the detection sheet is matched with the displacement sensor.

Preferably, the scraper assembly comprises a scraper body and a first clamping piece, the scraper body is fixed below the first clamping piece, and the first clamping piece is fixed below the sleeve.

Preferably, the ink recovery device further comprises an ink recovery assembly and a screw rod assembly used for adjusting the height of the ink recovery assembly, the ink recovery assembly is arranged below the mounting plate through the screw rod assembly, and the ink recovery assembly and the scraper assembly are arranged in parallel.

Preferably, the ink returning assembly comprises an ink returning scraper, a second clamping piece and a scraper support, the second clamping piece is identical to the first clamping piece in structure, the second clamping piece is fixed below the screw rod assembly, the scraper support is fixed below the second clamping piece, an opening is formed below the scraper support, and the ink returning scraper is clamped and fixed below the scraper support.

According to the preferable scheme, the first clamping piece comprises a clamping body, a rotating piece and a handle, the rotating piece is connected with one side of the clamping body in a rotating mode through the rotating piece, a pulling rod is arranged between the clamping body and the rotating piece, one end of the pulling rod is fixedly connected with the rotating piece, the other end of the pulling rod extends out of one side of the clamping body, the handle is connected with one end, extending out of the clamping body, of the pulling rod in a rotating mode, the handle is connected with the pulling rod in a rotating mode, one end, connected with the pulling rod in a rotating mode, of the handle is of an eccentric cam structure, and the scraper body is arranged between the clamping body and the rotating piece.

The scraper adjusting mechanism disclosed by the utility model has the beneficial effects that: on earlier being fixed in the calico printing machine wholly through the mounting panel, drive through servo motor and rotate the lead screw and rotate, slip cap and rotation lead screw threaded connection drive the slip cap and reciprocate along rotating the lead screw to the messenger reciprocates along rotating the lead screw through connecting piece and slip cap fixed connection's scraper subassembly. Through adopting servo motor to carry out the mode of controlling, can make the altitude mixture control of scraper subassembly can be more accurate, when guaranteeing scraper subassembly and half tone contact, have sufficient pressure with on the printing stock with printing ink or the coating knife coating on the half tone, improve the printing quality.

Drawings

Fig. 1 is a schematic structural diagram of a doctor blade adjusting mechanism according to embodiment 1 of the present invention.

Fig. 2 is a schematic structural diagram of the doctor blade adjusting mechanism of embodiment 2 of the present invention.

Fig. 3 is a schematic structural diagram of a screw rod assembly of embodiment 2 of the scraper adjustment mechanism of the present invention.

Figure 4 is a schematic view of the doctor assembly configuration of the doctor blade adjustment mechanism of the present invention.

Fig. 5 is a schematic diagram of the ink return assembly of the doctor blade adjustment mechanism of the present invention.

Detailed Description

The utility model will be further elucidated and described with reference to the embodiments and drawings of the specification:

referring to fig. 1 and 2, a doctor blade adjusting mechanism includes a mounting plate 10, a servo motor 11, a doctor blade assembly 20 and a screw rod assembly 30, wherein the servo motor 11 is disposed above the mounting plate 10. The scraper component is arranged below the mounting plate.

The screw rod assembly 30 comprises a rotary screw rod 31 and a sliding sleeve 32, the rotary screw rod 31 is connected with the servo motor 11 through a coupler 35, the sliding sleeve 32 is in threaded connection with the rotary screw rod 31, the scraper assembly 20 is fixedly connected with the sliding sleeve 32 through a connecting piece, and the servo motor 11 drives the screw rod assembly 30 to drive the scraper assembly 20 to move up and down.

The mounting plate 10 is firstly integrally fixed on the printing machine, the servo motor 11 drives the rotating screw rod 31 to rotate, the sliding sleeve 32 is in threaded connection with the rotating screw rod 31, the sliding sleeve 32 is driven to move up and down along the rotating screw rod 31, and therefore the scraper assembly 20 fixedly connected with the sliding sleeve 32 through the connecting piece moves up and down along the rotating screw rod 31. By adopting the servo motor 11 to control, the height adjustment of the scraper component 20 can be more accurate, and when the scraper component 20 is in contact with a screen printing plate, enough pressure is provided to scrape ink or paint on the screen printing plate on a printing stock, so that the printing quality is improved.

In embodiment 1, referring to fig. 1, the servo motor 11 is fixed to two sides of the mounting plate 10 through a vertical plate 15, the connecting member includes a sliding rail 37 and a sliding sleeve 38, the sliding rail 37 is disposed on one side of the rotating screw 31, the sliding sleeve 38 is disposed on a surface of the sliding rail 37, the sliding sleeve 38 is slidably connected to the sliding rail 37, the sliding sleeve 38 is fixedly connected to the sliding sleeve 32, two ends of the scraper assembly 20 are respectively fixedly connected to the sliding sleeve 38, and the scraper assembly 20 is located below the mounting plate 10.

The mounting plate 10 is driven by the scraper moving assembly to move along the support, so as to drive the scraper to move along the surface of the screen main body, the servo motors 11 on the two sides of the mounting plate 10 drive the rotating screw rod 31 to rotate, the sliding sleeve 32 moves along the surface of the rotating screw rod 31, and the sliding sleeve 38 fixedly connected with the sliding sleeve 32 moves up and down along the sliding rail 37, so as to drive the scraper to adjust the height up and down.

In embodiment 2, referring to fig. 2 and 3, the servo motor 11 is disposed above the mounting plate 10 through the supporting frame 12, the connecting member includes a sleeve 33 and a rotating bearing 34, the rotating screw 31 passes through the supporting frame 12, the rotating screw 31 is rotatably connected to the supporting frame 12 through the rotating bearing 34, the sleeve 33 is fixed below the sliding sleeve 32, the sleeve 33 is sleeved outside the rotating screw 31, a through hole is formed in the surface of the mounting plate 10, the sleeve 33 is slidably connected to the through hole, the scraper assembly 20 is disposed below the mounting plate 10, and the scraper assembly 20 is fixed below the sleeve 33.

Through mounting panel 10 earlier with whole be fixed in the calico printing machine on, drive through servo motor 11 and rotate lead screw 31 and rotate, it rotates with mounting panel 10 to rotate lead screw 31 and be connected, sliding sleeve 32 and rotation lead screw 31 threaded connection drive sliding sleeve 32 and reciprocate along rotating lead screw 31, be equipped with sleeve pipe 33 below sliding sleeve 32, sleeve pipe 33 below is fixed with scraper subassembly 20, thereby sleeve pipe 33 and scraper subassembly 20 follow sliding sleeve 32 and together reciprocate along rotating lead screw 31, play the purpose of adjustment scraper subassembly 20.

And adopt the structure of sleeve pipe 33, can guarantee that when sleeve pipe 33 moves upwards along rotating lead screw 31, it is inside that rotating lead screw 31 can accomodate entering sleeve pipe 33 to sleeve pipe 33 can move along rotating lead screw 31, thereby reduces the space that lead screw subassembly 30 occupy, makes overall structure more retrencied.

The support frame 12 is further provided with a displacement sensor, the surface of the sleeve 33 is provided with a detection sheet 36, the detection sheet 36 is matched with the displacement sensor, and the position of the sleeve 33 can be detected through the detection sheet 36, so that the position relation of the movement of the scraper component 20 or the ink return component 40 is judged, and the collision caused by excessive movement is avoided.

Referring to fig. 4, in the above solution, the scraper assembly 20 includes a scraper body 22 and a first clamping member 21, the scraper body 22 is fixed below the first clamping member 21, the first clamping member 21 is fixed below the sleeve 33, the scraper body 22 is fixed by the first clamping member 21, and the sleeve 33 drives the first clamping member 21 and the scraper body 22 to move up and down.

And also includes ink returning component 40 and screw rod component 30 for adjusting the height of ink returning component 40, ink returning component 40 is arranged below mounting plate 10 through screw rod component 30, and ink returning component 40 is arranged in parallel with scraper component 20.

Referring to fig. 5, the ink returning assembly 40 includes an ink returning scraper 41, a second clamping member 42 and a scraper bracket 43, the second clamping member 42 has the same structure as the first clamping member 21, the second clamping member 42 is fixed below the screw rod assembly 30, the scraper bracket 43 is fixed below the second clamping member 42, the lower portion of the scraper bracket 43 is open, and the ink returning scraper 41 is clamped and fixed below the scraper bracket 43. The ink recovery blade 41 is inserted from the side of the blade holder 43, the ink recovery blade 41 is fixed below the blade holder 43, and the second clamp 42, the blade holder 43, and the ink recovery blade 41 are driven by the screw assembly 30 to move up and down.

The height of the ink returning assembly 40 can be driven to be adjusted together through the screw rod assembly 30, when the ink returning assembly is used, ink or paint is firstly scraped on a printing stock through the scraper assembly 20, then the ink returning assembly 40 is provided to re-coat the residual ink and paint on a screen printing plate, and when the scraper assembly 20 and the ink returning assembly 40 work, the height of the scraper assembly and the height of the ink returning assembly are respectively adjusted through the screw rod assembly 30, so that the scraper assembly and the ink returning assembly are not at the same height, and mutual influence is avoided.

Guide rods 13 are arranged on two sides of the scraper component 20 and two sides of the ink returning component 40, one end of each guide rail is fixedly connected with the scraper component 20, the guide rails extend to the upper side of the mounting plate 10, and the guide rails are connected with the mounting plate 10 in a sliding mode. When moving scraper subassembly 20 or ink return subassembly 40 through guide arm 13, play spacing effect, avoid scraper subassembly 20 or ink return subassembly 40 to take place the condition of rocking from side to also make scraper subassembly 20 and ink return subassembly 40 more steady when moving.

The first clamping member 21 includes a clamping body 211, a rotating piece 212 and a handle 213, the rotating piece 212 is rotatably connected around one side of the clamping body 211, a pulling rod 214 is arranged between the clamping body 211 and the rotating piece, one end of the pulling rod 214 is fixedly connected with the rotating piece 212, the other end of the pulling rod extends out of one side of the clamping body 211, the handle 213 and the pulling rod 214 extend out of one end of the clamping body 211 to be rotatably connected, one end of the handle 213 which is rotatably connected with the pulling rod 214 is of an eccentric cam structure, and the scraper body 22 is arranged between the clamping body 211 and the rotating piece 212.

The rotatable sheet 212 can be rotated towards the side close to the holding body 211 or far away from the holding body 211 through the rotatable handle 213, so that the rotatable sheet 212 and the holding body 211 are adjusted to be in a clamped or opened state, and people can conveniently take down the scraper body 22 or the scraper support 43 between the holding body 211 and the rotatable sheet 212 for replacement or adjustment.

The utility model provides a scraper adjusting mechanism, which is characterized in that the whole scraper adjusting mechanism is firstly fixed on a printing machine through a mounting plate, a rotary screw rod is driven to rotate through a servo motor, the rotary screw rod is rotatably connected with the mounting plate, a sliding sleeve is in threaded connection with the rotary screw rod and drives the sliding sleeve to move up and down along the rotary screw rod, a sleeve is arranged below the sliding sleeve, and a scraper assembly is fixed below the sleeve, so that the sleeve and the scraper assembly move up and down along the rotary screw rod along with the sliding sleeve, and the purpose of adjusting the scraper assembly is achieved. And adopt servo motor to control, can make the height adjustment of scraper subassembly can be more accurate, when guaranteeing scraper subassembly and half tone contact, have sufficient pressure with the printing ink or the coating knife coating on the half tone to the stock, improve the printing quality. And adopt sheathed tube structure, when can guaranteeing that the sleeve pipe moves up along rotating the lead screw, it is inside to rotate the lead screw and can accomodate the entering sleeve pipe to the sleeve pipe can be followed and rotated the lead screw and removed, thereby reduces the shared space of lead screw subassembly, makes overall structure retrench more.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention, and not for limiting the protection scope of the present invention, although the present invention is described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications or equivalent substitutions can be made on the technical solutions of the present invention without departing from the spirit and scope of the technical solutions of the present invention.

Claims

1. The utility model provides a scraper guiding mechanism, its characterized in that, includes mounting panel, servo motor, scraper subassembly and lead screw subassembly, servo motor sets up in the mounting panel top, the scraper subassembly sets up in the mounting panel below, the lead screw subassembly is including rotating lead screw and sliding sleeve, it passes through the coupling joint with servo motor to rotate the lead screw, sliding sleeve and rotation lead screw threaded connection, the scraper subassembly passes through connecting piece and sliding sleeve fixed connection, servo motor drives the lead screw subassembly and drives the scraper subassembly and reciprocate.

2. The scraper adjustment mechanism of claim 1, wherein the servo motor is fixed to two sides of the mounting plate through a vertical plate, the connecting member comprises a sliding rail and a sliding sleeve, the sliding rail is disposed on one side of the rotary screw, the sliding sleeve is disposed on a surface of the sliding rail, the sliding sleeve is slidably connected to the sliding rail, the sliding sleeve is fixedly connected to the sliding sleeve, two ends of the scraper assembly are respectively fixedly connected to the sliding sleeve, and the scraper assembly is located below the mounting plate.

3. The doctor blade adjusting mechanism as claimed in claim 2, wherein the servo motor is disposed above the mounting plate via a support frame, the connecting member includes a sleeve and a rotation bearing, the rotation screw passes through the support frame, the rotation screw is rotatably connected with the support frame via the rotation bearing, the sleeve is fixed below the sliding sleeve, the sleeve is disposed outside the rotation screw, a through hole is formed in the surface of the mounting plate, the sleeve is slidably connected with the through hole, the doctor assembly is disposed below the mounting plate, and the doctor assembly is fixed below the sleeve.

4. The doctor blade adjustment mechanism as claimed in claim 1, wherein a displacement sensor is provided on said support frame, and a detection piece is provided on the surface of said sleeve, said detection piece being adapted to said displacement sensor.

5. The doctor blade adjustment mechanism of any of claims 1-4, wherein the doctor blade assembly includes a doctor blade body secured beneath a first clamping member and a first clamping member secured beneath the sleeve.

6. The doctor blade adjustment mechanism as claimed in claim 5, further comprising an ink return assembly and a screw assembly for adjusting the height of the ink return assembly, wherein the ink return assembly is disposed below the mounting plate through the screw assembly, and the ink return assembly is disposed parallel to the doctor blade assembly.

7. The doctor blade adjustment mechanism of claim 6, wherein the ink return assembly includes an ink return blade, a second clamping member, and a blade support, the second clamping member being identical in construction to the first clamping member, the second clamping member being secured beneath the screw assembly, the blade support being secured beneath the second clamping member, the blade support being open beneath, the ink return blade being secured beneath the blade support.

8. The doctor blade adjusting mechanism as claimed in claim 7, wherein the first clamping member includes a clamping body, a rotating piece and a handle, the rotating piece is rotatably connected to one side of the clamping body, a pulling rod is disposed between the clamping body and the rotating piece, one end of the pulling rod is fixedly connected to the rotating piece, the other end of the pulling rod extends out of one side of the clamping body, the handle is rotatably connected to one end of the pulling rod extending out of the clamping body, the end of the handle rotatably connected to the pulling rod is an eccentric cam structure, and the doctor blade body is disposed between the clamping body and the rotating piece.