CN213675949U

CN213675949U - But race platform printing machine of accurate positioning screen frame

Info

Publication number: CN213675949U
Application number: CN202022120746.XU
Authority: CN
Inventors: 张春梅; 潘瑞骥
Original assignee: Wenzhou Changs Machinery Co ltd
Current assignee: Wenzhou Changs Machinery Co ltd
Priority date: 2020-09-24
Filing date: 2020-09-24
Publication date: 2021-07-13
Anticipated expiration: 2030-09-24

Abstract

The utility model relates to the field of printing, a race platform printing machine that can accurate location screen frame is disclosed, including the frame body (3) that is used for installing screen frame (5), and be used for providing workstation (1) that frame body (3) removed, be equipped with slide rail (2) on workstation (1), be equipped with on slide rail (2) or workstation (1) and bulge in workstation (1) planar setting element (11), frame body (3) are equipped with the sensor that is used for responding to setting element (11), the sensor cooperatees with setting element (11), when the sensor senses the setting element, frame body (3) can brake; the screen frame (5) is provided with a first convex part (51) and a second convex part corresponding to the working surfaces of the positioning part (11) and the slide rail (2); the utility model discloses a two steps to the frame body slow down fixedly, further carry out the fine setting of position again for the position location of screen frame printing is more accurate, and better assurance stamp quality advances line location simultaneously and moves and make production efficiency higher.

Description

But race platform printing machine of accurate positioning screen frame

Technical Field

The utility model relates to a printing field especially relates to a can accurate positioning screen frame run platform printing machine.

Background

The existing treadmill printing machine is provided with two rows of printing screen plates on a printing table, but only provided with a screen plate scraper, generally only prints a carrier on one side firstly and then prints a carrier on the other side during printing, and generally needs manual positioning, so that the printing efficiency is not high, and the production cost is increased.

In the production process, the printed part can be accurately shifted to ensure automatic high-precision and high-efficiency operation, so that the performance of the running table is very important for the printing quality, and particularly the limiting precision of the workbench at a printing station directly influences the alignment precision of printing. However, the conventional treadmill device of the screen printing machine still adopts a chain type dragging system, and although they are still different in specific form, they all have the defects of low repeated positioning accuracy, large error, slow printing speed, increased weight and the like.

The Chinese patent invention CN201710007503.5 discloses a 3D additive printing machine positioning device, which comprises a preliminary positioning module and an accurate positioning module, wherein more than two positioning columns are arranged on a travelling track of a printing machine, the positioning columns are matched with the preliminary positioning module and the accurate positioning module, the preliminary positioning module comprises a first detection unit and a second detection unit, and the first detection unit and the second detection unit are arranged on one side of the positioning columns along the travelling direction of the printing machine; the accurate positioning module comprises a clamping pair and a pushing device, the clamping pair is arranged on the pushing device, the clamping pair and the pushing device are arranged on the other side of the positioning column along the advancing direction of the printing machine, and the clamping pair is matched with the positioning column. However, the method for positioning still has the defects that the position of the team frame body is preliminarily positioned, and the positioning is not accurate enough in actual operation, so that a running platform device which is automatic and has higher positioning accuracy is needed.

Disclosure of Invention

The utility model discloses shortcoming to among the prior art provides a can accurate positioning screen frame run platform printing machine.

In order to solve the technical problem, the utility model discloses a following technical scheme can solve:

a running platform printing machine capable of accurately positioning a screen frame comprises a frame body and a workbench, wherein the frame body is used for mounting the screen frame, the workbench is used for providing movement of the frame body, the screen frame is mounted in the frame body, a slide rail is arranged on the workbench, the frame body is driven by a first power source to move along the slide rail, a printing assembly matched with the screen frame for printing is arranged on the frame body, two cross beams are arranged on the frame body in a front-back mode, the screen frame is fixed on the cross beams, the cross beams can move on the frame body in the transverse direction, the longitudinal direction and the up-down direction, each moving direction of the cross beams is provided with a power source for enabling the cross beams to act, a positioning piece protruding out of the plane of the workbench is arranged on the slide rail or the workbench, the frame body is provided with a sensor for sensing the positioning; the positioning piece is further used for transversely positioning the screen frame, the slide rail is further provided with a working face for longitudinally positioning the screen frame, the screen frame is provided with a first convex part and a second convex part corresponding to the positioning piece and the working face of the slide rail, and the cross beam drives the screen frame to move transversely and longitudinally and stop when the first convex part touches the positioning piece and the second convex part touches the working face respectively. The sensor may be, but is not limited to, a photoelectric sensor, an infrared sensor, a touch switch, or a sensor requiring an electrical signal or a direct touch sensor.

Preferably, the positioning element is arranged on the slide rail, the first convex part protrudes out of the edge of the screen frame, and when the first convex part is located on the horizontal plane of the positioning element, the positioning element laterally limits the first convex part in the advancing direction to prevent the screen frame from moving further in the lateral direction.

Preferably, the second convex portion is a positioning bolt, the number of the positioning bolts is at least two, and the positioning bolt abuts against the working surface on the inner side of the slide rail to position the screen frame in the longitudinal direction.

Preferably, the sensor comprises a first sensor and a second sensor, the first sensor and the second sensor are arranged along the linear extending direction of the slide rail, and both the first sensor and the second sensor are electrically connected with the controller and transmit sensing signals sensed to the positioning piece to the controller.

Preferably, the frame body is provided with a printing component, the screen frame is matched and installed on the frame body, the printing component comprises a printing head, and the printing component is connected with the second power source, is installed on the frame body in a sliding mode and can move back and forth.

Preferably, the cross beam of the frame body is provided with a clamping groove, the slotting direction of the clamping groove extends towards the inner side, and the screen frame is accommodated in the clamping groove to be locked through the inner buckles of the frame bodies at the two longitudinal ends.

Preferably, the lateral sides of the screen frame are provided with dovetail grooves, the frame body is transversely provided with clamping blocks matched with the dovetail grooves, and the clamping blocks are clamped in the dovetail grooves to transversely fix the screen frame and the frame body.

Preferably, the cross beam of the frame body is provided with an adjusting track, the clamping block is in transmission connection with a power source, and the power source drives the clamping block to move along the adjusting track to adapt to and buckle the corresponding screen frame.

Preferably, the slide rail is provided with two adjacent positioning parts at the turning position, the distance between the first sensor and the second sensor is equal to the distance between the two positioning parts, and when the first sensor and the second sensor sense the positioning parts at the same time, the controller controls the frame body to rotate and slide.

Preferably, the frame body is provided with a positioning element corresponding to the printing assembly, the printing assembly comprises a third sensor, the third sensor is electrically connected with the controller and transmits a sensing signal to the controller when the printing assembly reaches the positioning element, and the controller controls the second power source to start and stop.

Preferably, the frame body is provided with a roller assembly, the roller assembly is matched with the slide rail and slides along the slide rail, and the roller assembly is pivotally arranged on the frame body in the horizontal direction.

The utility model discloses owing to adopted above technical scheme, have apparent technological effect:

the crossbeam on the frame body can be fixed a position and go up and down, makes the screen frame descend and rise and adapt to the printing technology requirement for fix a position more accurate from top to bottom, make the precision of printing higher. Through two steps to the frame body speed reduction fixed, further carry out the fine setting of screen frame left and right sides, front and back position again for the location of screen frame printing is all more accurate in the ascending location of level all sides, and the accurate settlement in location can be better guarantees stamp quality, and the race platform device of going on the operation of fixing a position automatically simultaneously can significantly reduce the manpower of artificially adjusting, the time of having practiced thrift, thereby reduced the cost of labor, messenger production efficiency is higher. And simultaneously the utility model discloses because the setting of location structure can realize the manual work and fix a position the screen frame, need not to operate the computer and can realize complementing colors or other operations, realize man-machine unification, make things convenient for operating personnel to use more.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a plan view of the present invention.

Fig. 3 is a front view of the present invention.

Fig. 4 is a schematic view of the vertical fit between the frame body and the net frame of the present invention.

Fig. 5 is a schematic view of the horizontal fit between the frame body and the net frame of the present invention.

Fig. 6 is a perspective view of the oblique second class of the present invention.

The names of the parts indicated by the numerical references in the above figures are as follows: the device comprises a workbench 1, a slide rail 2, a frame 3, a positioning piece 11, a crossbeam 30, a printing assembly 31, a first sensor 32, a second sensor 33, a first power source 4, a roller assembly 34, a screen frame 5, a clamping groove 35, a clamping block 36 and a first convex part 51.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Example 1

A running platform printing machine capable of accurately positioning a screen frame comprises a frame body 3 used for installing the screen frame 5 and a workbench 1 used for providing movement of the frame body 3, wherein the screen frame 5 is installed in the frame body 3, the workbench 1 is provided with a slide rail 2, the frame body 3 is driven by a first power source 4 to move along the slide rail 2, the frame body 3 is provided with a printing component 31 matched with the screen frame 5 for printing, the frame body 3 is provided with two beams 30 arranged in front and back, the screen frame 5 is fixed on the beams 30, the beams 30 can move on the frame body 3 in the transverse direction, the longitudinal direction and the up-and-down direction, each moving direction of the beams 30 is provided with a power source for enabling the beams to move, the slide rail 2 or the workbench 1 is provided with a positioning part 11 protruding out of the plane of the workbench 1, the frame body 3 is provided with a sensor for sensing the positioning part 11, the sensor is matched with the positioning, the frame body 3 can be braked; the positioning piece 11 is further used for transversely positioning the screen frame 5, the slide rail 2 is further provided with a working surface for longitudinally positioning the screen frame 5, the screen frame 5 is provided with a first convex portion 51 and a second convex portion corresponding to the positioning piece 11 and the slide rail 2, and the cross beam 30 drives the screen frame 5 to move transversely and longitudinally and stop when the first convex portion 51 touches the positioning piece 11 and the second convex portion touches the working surface respectively. When the first sensor 32 reaches the positioning element and triggers the sensing condition to be at the first position, the second sensor 33 reaches the positioning element and triggers the sensing condition to be at the second position, and the frame 3 starts to slide to the second position at the first position in a deceleration manner and stops moving. When the screen frame is in work, the screen frame 5 is positioned by the first convex part 51 and the second convex part in one step, after the screen frame is installed on the frame body 3, the screen frame ascends to be separated from the limiting position of the first convex part 51, freely and transversely moves, stops when the first sensor 32 and the second sensor 33 sense that the screen frame reaches the corresponding positions, moves downwards, and is limited by the first convex part 51 and the second convex part through fine adjustment of transverse and longitudinal power sources to realize transverse and longitudinal positioning. After printing, the frame 5 moves upwards out of the limit position and can slide freely and transversely along the slide rails. The first sensor 32, the second sensor 33, and the sensor may be, but are not limited to, a photoelectric sensor, an infrared sensor, a touch switch, and the like, which require an electrical signal, or a direct contact sensor. The net frame 5 is fixed on the beam 30 of the frame body 3, and the two move synchronously when the machine is on.

The first convex part can be a part fixed on the net frame or a certain part of the net frame, and the second convex part is abutted against the inner side of the sliding rail to realize the limiting effect as long as the positioning part can be contacted and separated from the continuous movement. Confirm the position of the frame body 3 through the sensor earlier before the printing, the third power supply descends the frame body 3, the fourth power supply starts to realize the frame body 3 to 2 side thrusts of slide rail and vertically supports and lean on the location, the fifth power supply drives its motion and realizes transverse positioning after first convex part 51 touching setting element, then begin the printing, the back is accomplished in the printing, the third power supply drives the frame body 3 and rises, make first convex part 51 break away from the setting element place horizontal plane and make the net frame can continue transverse motion, fourth, the fifth power supply also can start and make first setting element and second setting element principle location position, follow-up rethread first power supply drives the motion of the frame body 3.

The controller is a controller which is common in the field and can receive the sensing signal and control the starting and stopping of the motor, and can be a micro-program controller or a plc controller. The workbench can be provided with a plurality of groups of parallel slide rails, the printing components on a plurality of groups of frame bodies can be operated horizontally and simultaneously, a plurality of groups of stations for printing are also longitudinally and simultaneously arranged, and each station is correspondingly provided with a positioning piece. The frame body 3 moves to a first position on the slide rail 2, the first sensor 32 sends a signal to the controller after sensing, the controller controls the first power source 4 to drive the frame body 3 to decelerate until the frame body 3 reaches a second position, the second sensor 33 senses and sends the signal to the controller, the controller controls the first power source 4 to stop and enable the frame body 3 to stop moving, and then further printing on the station is carried out after longitudinal and transverse positioning of the subsequent frame body 3.

Each power supply can be cylinder, motor, and the power supply can drive the position lift and control the regulation of the frame body 3 through the transmission structure of short stroke such as cam structure, eccentric connecting rod structure to guarantee that the frame body 3 has accurate location.

Or the frame body 3 is provided with a sensor, and the side surface of the workbench 1 is provided with a first positioning piece and a second positioning piece for positioning the frame body; the sensor reaches the first position of the first positioning part and triggers the sensing condition and the sensor reaches the second position of the second positioning part and triggers the sensing condition, and the frame body 3 starts to slide to the second position at the first position in a deceleration way and stops moving. The positioning part is used for aligning the frame body, the frame body aligns the cloth to be printed on the workbench, and printing is carried out after alignment is completed.

The positioning element is arranged on the slide rail 2, the first convex part 51 protrudes out of the edge of the screen frame 5, and when the first convex part 51 is located at the horizontal plane of the positioning element, the positioning element limits the first convex part 51 transversely in the advancing direction to prevent the screen frame 5 from moving transversely.

The second convex part is a positioning bolt, the number of the positioning bolts is at least two, and the positioning bolt is abutted against the working surface on the inner side of the slide rail 2 to enable the screen frame 5 to be positioned in the longitudinal direction. The second convex part can also be the screen frame, and the positioning can be realized as long as the bottom surface forms a positioning line or a positioning surface which is parallel to the sliding rail.

The frame body 3 is provided with a printing assembly 31, the printing assembly 31 comprises a printing head, and the printing assembly 31 is connected with a second power source, is slidably arranged on the frame body 3 and can move back and forth.

The crossbeam 30 of the frame body 3 is provided with a clamping groove 35, the slotting direction of the clamping groove 35 extends towards the inner side, and the screen frame 5 is accommodated in the clamping groove 35 to be locked through the inner buckles of the frame bodies 3 at the two longitudinal ends.

The transverse side surfaces of the screen frame 5 are provided with dovetail grooves, the frame body 3 is transversely provided with a fixture block 36 matched with the dovetail grooves, and the fixture block 36 is clamped in the dovetail grooves to transversely fix the screen frame 5 and the frame body 3.

The cross beam 30 of the frame body 3 is provided with an adjusting track, the fixture block 36 is connected with a power source in a transmission way, and the power source drives the fixture block 36 to move along the adjusting track to adapt to and buckle the corresponding screen frame 5. The fixture block 36 is mounted on the lower surface of the cross beam and is locked after being matched with the corresponding clamping groove, the fixture block can be matched with the screen frames 5 of different sizes along the adjusting track structure which is transversely arranged, the fixture block can lock the screen frames 5 on two sides, and the screen frames are locked by the position of the longitudinally adjusting cross beam, so that the screen frames of different sizes can be mounted and fixed. If the space of power supply is not installed in the upper and lower parts of the cross beam, the cross beam can also be grooved, the power supply is installed on the cross beam, and the cross beam is connected with the clamping block below through the groove in a transmission manner, so that the clamping block can be conveniently transversely moved and positioned.

The slide rail 2 is provided with two adjacent positioning parts at the turning position, the distance between the first sensor 32 and the second sensor 33 is equal to the distance between the two positioning parts, and when the positioning parts are sensed by the first sensor 32 and the second sensor 33 at the same time, the controller controls the frame body 3 to rotate and slide.

The frame body 3 is provided with a positioning element corresponding to the printing component 31, the printing component 31 comprises a third sensor, the third sensor is electrically connected with the controller and transmits a sensing signal to the controller when the printing component 31 reaches the positioning element, and the controller controls the second power source to start and stop.

The frame body 3 is provided with a roller assembly 34, the roller assembly 34 is matched with the slide rail 2 and slides along the slide rail 2, and the roller assembly 34 is pivotally arranged on the frame body 3 in the horizontal direction.

The printing component can carry out ink jet work for the mode of ink knife, and the ink knife is installed at the frame body, and the ink knife rises and falls from top to bottom along with the reciprocating of frame body, and accessible cylinder promotes the ink knife rest and reciprocates, prints through the control of controller.

In short, the above description is only a preferred embodiment of the present invention, and all the equivalent changes and modifications made in accordance with the claims of the present invention should be covered by the scope of the present invention.

Claims

1. The utility model provides a can accurate location screen frame run platform printing machine, including the framework (3) that is used for installing screen frame (5) to and be used for providing workstation (1) that framework (3) removed, install in framework (3) screen frame (5), be equipped with slide rail (2) on workstation (1), the framework (3) is moved along slide rail (2) by first power supply (4) drive, be equipped with on framework (3) and carry out printing subassembly (31) of printing with screen frame (5) cooperation, its characterized in that: the frame body (3) is provided with two beams (30) which are arranged in the front and back, the net frame (5) is fixed on the beams (30), the beams (30) can move on the frame body (3) in the transverse direction, the longitudinal direction and the up-down direction, the beams (30) are provided with power sources for enabling the beams to act in each moving direction, a positioning part (11) which protrudes out of the plane of the workbench (1) is arranged on the sliding rail (2) or the workbench (1), the frame body (3) is provided with a sensor for sensing the positioning part (11), the sensor is matched with the positioning part (11), and when the sensor senses the positioning part, the frame body (3) can brake; the positioning piece (11) is further used for transversely positioning the screen frame (5), the slide rail (2) is further provided with a working face for longitudinally positioning the screen frame (5), the screen frame (5) is provided with a first convex portion (51) and a second convex portion corresponding to the positioning piece (11) and the slide rail (2), and the cross beam (30) drives the screen frame (5) to move transversely and longitudinally and stops when the first convex portion (51) touches the positioning piece (11) and the second convex portion touches the working face.

2. A treadmill printer as recited in claim 1, further comprising: the positioning piece (11) is arranged on the sliding rail (2), the first convex part (51) protrudes out of the edge of the screen frame (5), and when the first convex part (51) is located on the horizontal plane of the positioning piece (11), the positioning piece (11) transversely limits the first convex part (51) in the advancing direction to prevent the screen frame (5) from transversely moving continuously.

3. A treadmill printer as recited in claim 1, further comprising: the second convex parts are positioning bolts, the number of the positioning bolts is at least two, and the positioning bolts are abutted against the working surface on the inner side of the sliding rail (2) to enable the screen frame (5) to be positioned in the longitudinal direction.

4. A treadmill printer as recited in claim 1, further comprising: the sensor comprises a first sensor (32) and a second sensor (33), the first sensor (32) and the second sensor (33) are arranged along the linear extending direction of the sliding rail (2), and the first sensor (32) and the second sensor (33) are electrically connected with the controller and transmit sensing signals sensed to the positioning piece (11) to the controller.

5. A treadmill printer as recited in claim 1, further comprising: the printing component (31) comprises a printing head, and the printing component (31) is connected with a second power source, is slidably arranged on the frame body (3) and can move back and forth.

6. A treadmill printer as recited in claim 1, further comprising: a clamping groove (35) is formed in a cross beam (30) of the frame body (3), the groove opening direction of the clamping groove (35) extends towards the inner side, and the net frame (5) is accommodated in the clamping groove (35) to enable the net frame (5) to be locked through inner buckles of the frame bodies (3) at the two longitudinal ends; dovetail grooves are formed in the transverse side surfaces of the screen frame (5), clamping blocks (36) matched with the dovetail grooves are transversely arranged on the frame body (3), and the clamping blocks (36) are clamped in the dovetail grooves to enable the screen frame (5) and the frame body (3) to be transversely fixed.

7. A treadmill printer as recited in claim 6, further comprising: an adjusting track is arranged on a cross beam (30) of the frame body (3), the clamping block (36) is connected with a power source in a transmission way, and the power source drives the clamping block (36) to move along the adjusting track to adapt to and buckle the corresponding net frame (5).

8. A treadmill printer as recited in claim 4, further comprising: two adjacent positioning pieces (11) are arranged at the turning position of the sliding rail (2), the distance between the first sensor (32) and the second sensor (33) is equal to the distance between the two positioning pieces (11), and when the first sensor (32) and the second sensor (33) sense the positioning pieces (11) simultaneously, the controller controls the frame body (3) to rotate and slide.

9. A treadmill printer as recited in claim 5, further comprising: the frame body (3) is provided with a positioning element corresponding to the printing assembly (31), the printing assembly (31) comprises a third sensor, the third sensor is electrically connected with the controller and transmits a sensing signal to the controller when the printing assembly (31) reaches the positioning element, and the controller controls the second power source to start and stop.

10. A treadmill printer as recited in claim 1, further comprising: the frame body (3) is provided with a roller assembly (34), the roller assembly (34) is matched with the slide rail (2) and slides along the slide rail (2), and the roller assembly (34) is pivotally arranged on the frame body (3) in the horizontal direction.