CN215041192U

CN215041192U - Automatic positioning type screen printer

Info

Publication number: CN215041192U
Application number: CN202120931022.5U
Authority: CN
Inventors: 张思红; 张赫
Original assignee: Weihai Hongwei Technology Development Co ltd
Current assignee: Weihai Hongwei Technology Development Co ltd
Priority date: 2021-04-30
Filing date: 2021-04-30
Publication date: 2021-12-07
Anticipated expiration: 2031-04-30

Abstract

The utility model belongs to the technical field of the lithography apparatus technique and specifically relates to an automatic positioning formula screen printing machine. The automatic positioning type screen printing machine comprises a frame, an operation platform, a lifting device, a translation device, an installation track, a printing device, a screen plate clamp, a positioning device, a first position sensor and a controller, the frame comprises the operation platform, the lifting device is installed in the frame, the translation device is installed at the upper end of the lifting device, the installation track is connected to the lower end of the translation device, the printing device is installed on the translation device through a sliding seat, the screen plate clamp is installed on the installation track, the two sides of the printing device are provided with the screen plate clamp, the positioning device is installed on the installation track, the positioning device is located between the two screen plate clamps, the first position sensor used for detecting the position of the lower end face of the positioning device is installed in the frame, the controller is connected with the first position sensor, the lifting device, the translation device and the printing device are electrically connected. The utility model discloses realize continuous operation, simple structure practices thrift the cost.

Description

Automatic positioning type screen printer

Technical Field

The utility model belongs to the technical field of the lithography apparatus technique and specifically relates to an automatic positioning formula screen printing machine.

Background

The screen printing machine belongs to the representative printing equipment in the porous printing machine, and its printing plate is a criss-cross screen with clear latitude and longitude which is made up by using silk material and other material through the process of weaving. Various screen printing machines have been produced, including flat, curved, forming, printing, printed circuit and new rotary.

The printing unit of screen printing machine includes ink scraping system and ink returning system, the ink scraping and ink returning system are the main actions for screen printing, and the ink scraping system and ink returning system are usually mounted on the translation device, and in the course of reciprocating movement the ink scraping plate and ink returning plate can be alternatively lifted and lowered so as to respectively implement ink scraping and ink returning actions.

The existing screen printing machine has a plurality of defects in practical use, such as: (1) the cloth cannot be stacked for continuous printing, and in order to realize the continuous printing, the cloth needs to be continuously placed below a printing device of a screen printing machine through a conveyor belt or a rotating device, so that the realization method has high cost; (2) after the printing is finished, the cloth is easily driven to move upwards in the lifting process of the printing device, so that the flatness of the cloth is reduced, the dye is stained at the non-printed part, and defective products are generated.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic positioning formula screen printing machine, overcome the not enough of aforementioned prior art, put the cloth on the operation platform of printing device below neatly piling up, printing device can accurately move down to the cloth top that is located the top according to the thickness that the cloth piled up and print the operation, printing device and otter board rise after the printing is accomplished, the cloth keeps leveling not taken up by the otter board, it can to take off the printing that the cloth that prints continues to move down the cloth, realize continuous operation, moreover, the steam generator is simple in structure, and the cost is saved.

The utility model provides a technical scheme that its technical problem adopted is:

an automatic positioning type screen printer comprises a rack, an operating platform, a lifting device, a translation device, an installation track, a printing device, a screen plate clamp, a positioning device, a first position sensor and a controller, wherein the rack comprises the operating platform, the lifting device is installed on the rack, the translation device is positioned above the operating platform and installed at the upper end of the lifting device, the installation track is connected with the lower end of the translation device, the printing device is installed on the translation device through a sliding seat, the printing device is controlled by the translation device to generate translation, the screen plate clamp is installed on the installation track, both sides of the printing device are provided with the screen plate clamp, the screen plate clamp is used for clamping a screen plate for printing, the positioning device is installed on the installation track, the positioning device is positioned between the two screen plate clamps, the rack is provided with the first position sensor for detecting the position of the lower end face of the positioning device, the controller is electrically connected with the first position sensor, the lifting device, the translation device and the printing device and is used for receiving signals of the first position sensor and controlling the actions of the lifting device, the translation device and the printing device; when the device is used, cloth is orderly stacked on an operation platform below a printing device, screens are installed in a left screen clamp and a right screen clamp, the lifting device drives the printing device to descend, the positioning device is firstly contacted with the stacked cloth, the positioning device is highly stable under the limit of the stacked cloth, a first position sensor detects the height of the positioning device and transmits a height signal to a controller, the controller controls the action of the lifting device to enable the screens to fall on the upper end surface of the uppermost cloth, the controller controls a translation device to drive the printing device to translate left and right on the screens, the controller controls an ink scraping plate and an ink returning plate of the printing device to alternately rise and fall in the process of translating left and right of the printing device to respectively realize ink scraping and ink returning actions, the controller controls the lifting device to rise after printing is finished, the uppermost cloth is taken down, and the lifting device is controlled to descend by the controller, the above steps are repeated to achieve a continuous printing operation.

Further, the positioning device comprises a clamping plate, a first bolt, a first connecting plate, a first linear bearing, a first guide shaft and a first pressing plate, the clamping plate is of a U-shaped structure, a threaded hole is formed in the clamping plate, the first bolt is connected in the threaded hole and clamped on the mounting rail, the clamping plate is pressed on the mounting rail by screwing the first bolt, the first connecting plate is arranged at the lower end of the clamping plate, the first linear bearing is arranged on at least one plate surface of the first connecting plate, the first guide shaft penetrates through the first linear bearing, a limiting block is arranged at the upper end of the first guide shaft, the lower end of the first guide shaft is connected with the first pressing plate which is horizontally arranged, the position of the first pressing plate is detected by a first position sensor, when the lifting device moves downwards, the first pressing plate is firstly contacted with the cloth positioned at the uppermost end, the first pressing plate presses on the stacked cloth and is limited by the height of the stacked cloth, the position of the first pressing plate is stable, and the first position sensor detects the position information of the first pressing plate and transmits the position information to the controller.

Furthermore, elevating gear includes first telescopic machanism and second guide shaft, and first telescopic machanism and second guide shaft all install in the frame, and the both sides of first telescopic machanism all are provided with the second guide shaft, and the flexible in-process second guide shaft of first telescopic machanism forms the direction to first telescopic machanism, the flexible stability of celebrating first telescopic machanism.

Further, the translation device includes first frame plate, set up in the first backup pad of first frame plate preceding terminal surface both sides, set up two at least optical axes between two first backup pads, set up in epaxial slide and set up in the second telescopic machanism of first backup pad top, the upper end of slide is fixed with the extension board, and the direction that sets up of extension board and second telescopic machanism all is unanimous with the direction that sets up of optical axis, the end of the piston rod of second telescopic machanism and one of them first backup pad fixed connection, and the cylinder of second telescopic machanism is fixed on the extension board, and the flexible slide translation that drives of second telescopic machanism is controlled by the controller, and then drives the printing mechanism translation of installing on the slide.

Further, the height of first frame plate is less than the height of first backup pad, is provided with the mounting rail between the lower extreme of first backup pad.

Further, the setting direction of the mounting rail is consistent with the setting direction of the optical axis, a T-shaped groove is formed in the front end face of the mounting rail along the setting direction of the optical axis, the screen plate clamp and the positioning device are convenient to install, and the mounting positions of the screen plate clamp and the positioning device on the mounting rail can be adjusted according to operation needs.

Further, the screen plate clamp comprises a second connecting plate, a second bolt, a second supporting plate, a clamping plate, a third bolt, an extrusion plate and a pressing mechanism, the upper end of the second connecting plate is mounted on the mounting rail through the second bolt, the lower end of the second connecting plate is provided with the second supporting plate, the second supporting plate is horizontally arranged and is perpendicular to the arrangement direction of the optical axis, the surface of the second supporting plate facing the printing device is fixed with the clamping plate, the clamping plate is C-shaped, the upper end plate body or the lower end plate body of the clamping plate is provided with a threaded hole, the second bolt is screwed into the threaded hole of the clamping plate, the tail end of a stud of the second bolt is provided with the extrusion plate, the screen plate for printing is mounted in the left clamping plate and the right clamping plate and is screwed with the third bolt, the extrusion plate is pressed at the edge of the screen plate to fix the screen plate, the other surface of the second supporting plate is provided with the pressing mechanism, and the pressing mechanism is pressed on the stacked cloth in the printing process, when the lifting device rises, the screen plate moves upwards, and the material pressing mechanism still presses the cloth at the moment, so that the cloth is prevented from being taken up by the screen plate.

Further, swager constructs including second linear bearing, third guide shaft, first yoke plate and second yoke plate, the second linear bearing interval sets up on the face of second backup pad, all passes the third guide shaft in every second linear bearing, is connected with first yoke plate between the upper end of third guide shaft, is connected with the second yoke plate between the lower extreme of third guide shaft, and the second yoke plate presses the cloth of piling up when elevating gear moves down, and the second linear bearing shifts up when elevating gear moves up, but the second yoke plate still presses on the cloth of piling up, prevents that the cloth from being taken up, and when first yoke plate contradicted in second linear bearing top, the second yoke plate breaks away from the cloth.

The utility model has the advantages that: compared with the prior art, the utility model discloses an automatic positioning formula screen printing machine has following advantage: the cloth is placed on the operating platform below the printing device in a neatly stacked mode, the printing device can accurately move downwards to the position above the uppermost-end cloth according to the thickness of the stacked cloth to perform printing operation, the printing device and the screen plate ascend after printing is completed, the cloth is kept flat and not taken up by the screen plate, the printed cloth is taken down, and the cloth is continuously moved downwards to perform printing, so that continuous operation is achieved, the structure is simple, and cost is saved.

Drawings

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

FIG. 2 is a schematic view of another angle overall structure of the present invention;

fig. 3 is a schematic view of the installation structure of the translation device, the installation rail, the grid clamp and the positioning device of the present invention;

FIG. 4 is an enlarged schematic view of the positioning device of the present invention;

the automatic printing machine comprises a machine frame 1, an operation platform 2, a lifting device 3, a first telescopic mechanism 301, a second guide shaft 302, a translation device 4, a first frame plate 401, a first support plate 402, an optical axis 403, a sliding seat 404, a second telescopic mechanism 405, an extension plate 406, a mounting rail 5, a printing device 6, a mesh plate clamp 7, a second connecting plate 701, a second bolt 702, a second support plate 703, a clamping plate 704, a third bolt 705, a squeezing plate 706, a second linear bearing 707, a third guide shaft 708, a first connecting plate 709, a second connecting plate 710, a positioning device 8, a clamping plate 801, a first bolt 802, a first connecting plate 803, a first linear bearing 804, a first guide shaft 805 and a first pressing plate 806.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the drawings in the embodiments of the present invention are combined below to clearly and completely describe the technical solutions in the embodiments of the present invention.

In the embodiment shown in fig. 1-4, an automatic positioning type screen printing machine comprises a frame 1, an operation platform 2, a lifting device 3, a translation device 4, a mounting rail 5, a printing device 6, a screen clamp 7, a positioning device 8, a first position sensor and a controller, wherein the frame 1 comprises the operation platform 2, the lifting device 3 is mounted on the frame 1, the translation device 4 is positioned above the operation platform 2 and mounted at the upper end of the lifting device 3, the mounting rail 5 is connected to the lower end of the translation device 4, the printing device 6 is mounted on the translation device 4 through a sliding seat 404, the printing device 6 is controlled by the translation device 4 to translate, the screen clamp 7 is mounted on the mounting rail 5, screen clamps 7 are arranged at two sides of the printing device 6, the screen clamps 7 are used for clamping a screen for printing, the positioning device 8 is mounted on the mounting rail 5, the positioning device 8 is positioned between the two screen plate clamps 7, the rack 1 is provided with a first position sensor for detecting the position of the lower end face of the positioning device 8, and the controller is electrically connected with the first position sensor, the lifting device 3, the translation device 4 and the printing device 6 and is used for receiving signals of the first position sensor and controlling the actions of the lifting device 3, the translation device 4 and the printing device 6; when the device is used, cloth is neatly stacked on the operating platform 2 below the printing device 6, the screen plates are installed in the left screen plate clamp 7 and the right screen plate clamp 7, the lifting device 3 drives the printing device 6 to descend, the positioning device 8 is firstly contacted with the stacked cloth, the positioning device 8 is highly stable under the limit of the stacked cloth, the first position sensor detects the height of the positioning device 8 and transmits a height signal to the controller, the controller controls the lifting device 3 to move, so that the screen plates fall on the upper end surface of the uppermost cloth, the controller controls the translation device 4 to drive the printing device 6 to translate left and right on the screen plates, the controller controls the ink scraping plates and the ink returning plates of the printing device 6 to alternately rise and fall in the process of translating left and right of the printing device 6, ink scraping and ink returning actions are respectively realized, the lifting device 3 is controlled by the controller after printing is finished, and the uppermost cloth is lifted, the controller controls the lifting device 3 to descend, and the steps are repeated to realize continuous printing operation.

In this embodiment, the positioning device 8 includes a clamping plate 801, a first bolt 802, a first connecting plate 803, a first linear bearing 804, a first guide shaft 805, and a first pressing plate 806, the clamping plate 801 is U-shaped, a threaded hole is formed in the clamping plate 801, the first bolt 802 is connected in the threaded hole, the clamping plate 801 is clamped on the mounting rail 5, the first bolt 802 is tightened to press the clamping plate 801 onto the mounting rail 5, the first connecting plate 803 is disposed at a lower end of the clamping plate 801, the first linear bearing 804 is mounted on at least one plate surface of the first connecting plate 803, the first guide shaft 805 passes through the first linear bearing 804, a limit block is disposed at an upper end of the first guide shaft 805, a lower end of the first guide shaft 805 is connected to the first pressing plate 806 disposed horizontally, a position of the first pressing plate 806 is detected by a first position sensor, when the lifting device 3 moves down, the first pressing plate 806 is in contact with the cloth located at the uppermost end, the first pressing plate 806 is pressed against the stacked cloth, limited by the height of the stacked cloth, the position of the first pressing plate 806 is stabilized, and the position information of the first pressing plate 806 is detected by the first position sensor and transmitted to the controller.

In this embodiment, the lifting device 3 includes a first telescopic mechanism 301 and a second guide shaft 302, the first telescopic mechanism 301 and the second guide shaft 302 are both installed on the frame 1, the second guide shaft 302 is respectively disposed on both sides of the first telescopic mechanism 301, and the second guide shaft 302 guides the first telescopic mechanism 301 in the process of extending and retracting the first telescopic mechanism 301, so as to improve the extending and retracting stability of the first telescopic mechanism 301.

In this embodiment, the translation device 4 includes a first frame plate 401, first support plates 402 disposed on two sides of a front end surface of the first frame plate 401, at least two optical axes 403 disposed between the two first support plates 402, a slide 404 disposed on the optical axes 403, and a second telescoping mechanism 405 disposed above the first support plate 402, an extension plate 406 is fixed on an upper end of the slide 404, directions of the extension plate 406 and the second telescoping mechanism 405 are consistent with a direction of the optical axes 403, a piston rod end of the second telescoping mechanism 405 is fixedly connected to one of the first support plates 402, a cylinder of the second telescoping mechanism 405 is fixed to the extension plate 406, extension of the second telescoping mechanism 405 is controlled by a controller, extension of the second telescoping mechanism 405 drives the slide 404 to translate, and further drives the printing device mounted on the slide 404 to translate.

In this embodiment, the height of the first frame plate 401 is smaller than that of the first support plate 402, and a mounting rail 5 is disposed between the lower ends of the first support plate 402.

In this embodiment, the setting direction of the mounting rail 5 is the same as the setting direction of the optical axis 403, a "T" shaped groove is formed in the front end face of the mounting rail 5 along the setting direction of the optical axis 403, so that the screen plate clamp 7 and the positioning device 8 can be conveniently mounted, and the mounting positions of the screen plate clamp 7 and the positioning device 8 on the mounting rail 5 can be adjusted according to the operation requirement.

In this embodiment, the screen board clamp 7 includes a second connecting plate 701, a second bolt 702, a second supporting plate 703, a clamping plate 704, a third bolt 705, a pressing plate 706 and a pressing mechanism, the upper end of the second connecting plate 701 is mounted on the mounting rail 5 through the second bolt 702, the lower end of the second connecting plate 701 is provided with the second supporting plate 703, the second supporting plate 703 is horizontally arranged and perpendicular to the arrangement direction of the optical axis 403, the surface of the second supporting plate 703 facing the printing device 6 is fixed with the clamping plate 704, the clamping plate 704 is "C" shaped, the upper end plate body or the lower end plate body of the clamping plate 704 is provided with a threaded hole, the second bolt 702 is screwed into the threaded hole of the clamping plate 704, the tail end of the stud of the second bolt 702 is provided with the pressing plate 706, the screen board for printing is mounted in the left and right clamping plates 704, the third bolt 705 is screwed, the pressing plate 706 is pressed on the edge of the screen board to fix the screen board, a pressing mechanism is arranged on the other plate surface of the second supporting plate 703, the pressing mechanism presses on the stacked cloth in the printing process, when the lifting device 3 rises, the screen plate moves upwards, and the pressing mechanism still presses on the cloth at the moment, so that the cloth is prevented from being brought up by the screen plate.

In this embodiment, the material pressing mechanism includes a second linear bearing 707, a third guide shaft 708, a first link plate 709 and a second link plate 710, the second linear bearings 707 are disposed on the plate surface of the second support plate 703 at intervals, each second linear bearing 707 penetrates through the third guide shaft 708, the first link plate 709 is connected between the upper ends of the third guide shafts 708, the second link plate 710 is connected between the lower ends of the third guide shafts 708, when the lifting device 3 moves down, the second link plate 710 is pressed onto the stacked fabric, when the lifting device moves up, the second linear bearing 707 moves up, but the second link plate 710 is still pressed onto the stacked fabric, the fabric is prevented from being taken up, and when the first link plate 709 abuts against the upper side of the second linear bearing 707, the second link plate 710 is separated from the fabric.

The working principle is as follows: when the device is used, cloth is neatly stacked on the operating platform 2 below the printing device 6, the screen plates are installed in the left screen plate clamp 7 and the right screen plate clamp 7, the lifting device 3 drives the printing device 6 to descend, the positioning device 8 is firstly contacted with the stacked cloth, the positioning device 8 is highly stable under the limit of the stacked cloth, the first position sensor detects the height of the positioning device 8 and transmits a height signal to the controller, the controller controls the lifting device 3 to move, so that the screen plates fall on the upper end surface of the uppermost cloth, the controller controls the translation device 4 to drive the printing device 6 to translate left and right on the screen plates, the controller controls the ink scraping plates and the ink returning plates of the printing device 6 to alternately rise and fall in the process of translating left and right of the printing device 6, ink scraping and ink returning actions are respectively realized, the lifting device 3 is controlled by the controller after printing is finished, and the uppermost cloth is lifted, the controller controls the lifting device 3 to descend, and the steps are repeated to realize continuous printing operation; when the lifting device moves upwards, the second linear bearing 707 moves upwards, but the second linking plate 710 is still pressed on the stacked cloth to prevent the cloth from being taken up, and when the first linking plate 709 abuts on the second linear bearing 707, the second linking plate 710 is separated from the cloth.

The above embodiments are only specific cases of the present invention, and the protection scope of the present invention includes but is not limited to the forms and styles of the above embodiments, and any suitable changes or modifications made thereto by those skilled in the art according to the claims of the present invention shall fall within the protection scope of the present invention.

Claims

1. The utility model provides an automatic locate mode screen printing machine which characterized in that: including frame, operation platform, elevating gear, translation device, mounting rail, printing device, otter board clamp, positioner, first position sensor and controller, the frame includes operation platform, elevating gear installs in the frame, translation device installs the upper end at elevating gear, mounting rail connects in translation device's lower extreme, printing device passes through the slide and installs on translation device, the otter board clamp is installed on mounting rail, and printing device's both sides all are provided with the otter board and press from both sides, positioner installs on mounting rail, and positioner is located between two otter board clamps, install the first position sensor who is used for detecting positioner down end face position in the frame, controller and first position sensor, elevating gear, translation device and printing device electric connection.

2. The automatic positioning type screen printing machine according to claim 1, wherein: the positioning device comprises a clamping plate, a first bolt, a first connecting plate, a first linear bearing, a first guide shaft and a first pressing plate, the clamping plate is fixed on the mounting rail through the first bolt, the lower end of the clamping plate is provided with the first connecting plate, the first linear bearing is mounted on at least one plate surface of the first connecting plate, the first guide shaft penetrates through the first linear bearing, the upper end of the first guide shaft is provided with a limiting block, the lower end of the first guide shaft is connected with the first pressing plate horizontally arranged, and the position of the first pressing plate is detected through a first position sensor.

3. The automatic positioning type screen printing machine according to claim 1, wherein: the lifting device comprises a first telescopic mechanism and a second guide shaft, the first telescopic mechanism and the second guide shaft are both mounted on the frame, and the second guide shaft is arranged on both sides of the first telescopic mechanism.

4. The automatic positioning type screen printing machine according to claim 1, wherein: the translation device includes first frame plate, set up in the first backup pad of first frame plate preceding terminal surface both sides, set up two at least optical axes between two first backup pads, set up in epaxial slide and set up in the second telescopic machanism of first backup pad top, the upper end of slide is fixed with the extension board, and the direction that sets up of extension board and second telescopic machanism all is unanimous with the direction that sets up of optical axis, and second telescopic machanism's piston rod end and one of them first backup pad fixed connection, and second telescopic machanism's cylinder is fixed on the extension board.

5. The automatic positioning type screen printing machine according to claim 4, wherein: the height of first frame plate is less than the height of first backup pad, is provided with the mounting rail between the lower extreme of first backup pad.

6. The automatic positioning type screen printing machine according to claim 5, wherein: the setting direction of the mounting rail is consistent with the setting direction of the optical axis, and a T-shaped groove is formed in the front end face of the mounting rail along the setting direction of the optical axis.

7. The automatic positioning type screen printing machine according to claim 6, wherein: the net plate clamp comprises a second connecting plate, a second bolt, a second supporting plate, a clamping plate, a third bolt, an extruding plate and a material pressing mechanism, the upper end of the second connecting plate is installed on the installation rail through the second bolt, the lower end of the second connecting plate is provided with the second supporting plate, the second supporting plate is horizontally arranged and is perpendicular to the setting direction of the optical axis, the clamping plate is fixed on the surface of the second supporting plate facing the printing device, the clamping plate is C-shaped, a threaded hole is formed in the upper end plate body or the lower end plate body of the clamping plate, the second bolt is screwed into the threaded hole of the clamping plate, the extruding plate is arranged at the tail end of a stud of the second bolt, and the material pressing mechanism is arranged on the other surface of the second supporting plate.

8. The automatic positioning type screen printing machine according to claim 7, wherein: the swaging mechanism comprises second linear bearings, third guide shafts, a first connecting plate and second connecting plates, the second linear bearings are arranged on the plate surface of the second supporting plate at intervals, the third guide shafts penetrate through each second linear bearing, the first connecting plate is connected between the upper ends of the third guide shafts, and the second connecting plate is connected between the lower ends of the third guide shafts.