CN212289124U

CN212289124U - Multi-station vertical rotary table screen printing machine

Info

Publication number: CN212289124U
Application number: CN202021180148.5U
Authority: CN
Inventors: 陈志明
Original assignee: Hangzhou Tenglonghua Intelligent Technology Co ltd
Current assignee: Hangzhou Tenglonghua Intelligent Technology Co ltd
Priority date: 2020-06-23
Filing date: 2020-06-23
Publication date: 2021-01-05
Anticipated expiration: 2030-06-23

Abstract

The utility model provides a vertical carousel silk screen printing machine of multistation, include: the screen printing device is used for screen printing on the workpiece; the rotary table device is at least sequentially provided with a feeding station, a silk-screen printing station, a detection station and a discharging station along the circumferential direction; the quality detection device is connected with the screen printing device and is used for carrying out screen printing effect inspection on the workpiece processed by the screen printing device; and the defective product recycling mechanism is connected with the quality detection device and is used for recycling the unqualified workpieces detected by the quality detection device. The multi-station vertical rotary table screen printing machine can realize the detection of the screen printing quality of all screen printing workpieces, reject and recover unqualified workpieces, and is higher in detection efficiency and higher in detection accuracy.

Description

Multi-station vertical rotary table screen printing machine

Technical Field

The utility model relates to a silk screen printing machine technical field, the vertical carousel silk screen printing machine of concretely relates to multistation.

Background

The screen printer, also called a screen printer, first makes the characters and images to be printed into a printing plate, installs the printing plate on the printer, then coats the ink on the positions of the printing plate where the characters and images are located, transfers the characters and images to the workpiece through a scraper component, and thus copies the same printed matter as the printing plate.

The screen printer can be divided into a vertical screen printer, a slant arm screen printer and a rotary table screen printer in appearance and function.

Characteristics of the vertical screen printer: aiming at high-precision printing, such as high-tech electronic operation, overprinting multicolor, screen dot printing and the like. Compared with an inclined arm screen printing machine, the power is low, but the accuracy is high.

Characteristics of the oblique arm screen printer: aiming at packaging operation or partial UV printing and the like, the power is high, but the precision is low.

Characteristics of the rotary screen printing machine: for clothes operation or optical disc operation, the operation of poor positioning can adopt a rotating disc type.

Along with the improvement of the requirements on the screen printing quality and the screen printing efficiency in the industry, the traditional three-station rotary table screen printing machine cannot meet the implementation requirements. For example, the chinese patent with application number 201420202760.6 discloses a full-automatic three-station screen printer, which comprises a frame, a feeding device, a screen printing workbench, a discharging device and a control panel, wherein the screen printing workbench comprises a rotary disc and a printing main body, the rotary disc is provided with a plurality of working positions, the rotary disc is driven by a main motor to rotate, the main motor is provided with a divider, the working positions successively pass through the feeding device, the discharging device and the printing main body in the rotating process of the rotary disc, the feeding device and the discharging device are provided with manipulators to clamp a bottle from the feeding device to the working positions or clamp the bottle from the working positions to the discharging device, the production efficiency is improved to a certain extent, but only the feeding station, the screen printing station and the discharging station are provided, but no prepositioning station is provided, the requirements for high-quality screen printing cannot be met, and meanwhile, the quality of the screen printing cannot be effectively detected, in order to inspect the product, the silk-screen printed product needs to be taken out manually at random, and then the silk-screen printing effect is determined by detecting the product with an inspection device (such as a CCD detection system). The random inspection mode has the advantages of low efficiency, high risk, large influence of manual detection on quality and high defective product rate.

Therefore, a need exists for a multi-station rotary screen printing machine, which can meet the requirements for multiple stations and the detection of screen printing quality.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem, the utility model provides a vertical carousel silk screen printing machine of multistation can satisfy the demand to the multistation, improves production efficiency, can satisfy the detection of silk screen printing quality again, rejects the substandard product.

In order to realize the above-mentioned purpose, the utility model provides a vertical carousel silk screen printing machine of multistation, include:

the screen printing device is used for screen printing on the workpiece;

the rotary table device is at least sequentially provided with a feeding station, a silk-screen printing station, a detection station and a discharging station along the circumferential direction;

the quality detection device is connected with the screen printing device and is used for carrying out screen printing effect inspection on the workpiece processed by the screen printing device;

and the defective product recycling mechanism is connected with the quality detection device and is used for recycling the unqualified workpieces detected by the quality detection device.

The multi-station vertical rotary table screen printing machine further comprises a rack, wherein a processing channel for conveying workpieces is arranged on the rack, and the processing channel comprises a feeding side and a discharging side; the silk-screen device is arranged on the processing channel, positioned in the conveying direction of the workpiece and positioned on a silk-screen station of the rotary table device; the rotary table device is arranged on the processing channel and is positioned below the silk-screen device; the quality detection device and the defective product recovery mechanism are both arranged on the processing channel and located on the discharge side, and the quality detection device is located on a detection station of the rotary disc device.

Further, the turntable device and the processing channel are arranged perpendicular to each other.

Furthermore, the turntable device comprises a turntable, a turntable driving motor and a clamping mechanism, wherein the turntable driving motor is arranged on the back of the turntable and drives the turntable to rotate, the clamping mechanism is arranged on the front surface of the turntable and used for clamping workpieces, and the clamping mechanism is respectively arranged on the stations of the turntable device along the circumferential direction of the turntable device.

Further, the card installing mechanisms of the feeding station, the screen printing station and the detection station of the turntable device are all rotatable card installing mechanisms, and particularly, the rotatable card installing mechanisms comprise telescopic clamping mechanisms and clamping driving motors for driving the telescopic clamping mechanisms to rotate.

Further, the multi-station vertical rotary table screen printing machine further comprises a visual positioning device, wherein the visual positioning device is located on the feeding side of the rotary table device and used for acquiring the position information of the workpiece in the machining channel.

Furthermore, the visual positioning device comprises a first shooting assembly and a rotatable clamping assembly, the rotatable clamping assembly is arranged near the feeding position of the turntable device, the first shooting assembly is arranged near the rotatable clamping assembly, and the first shooting assembly can shoot all-dimensional photos of a workpiece to be silk-screened, which is clamped on the rotatable clamping assembly, so that the silk-screening position of the silk-screening workpiece can be accurately positioned; the rotatable clamping assembly is used for clamping a workpiece to be subjected to silk screen printing and can drive the workpiece to be subjected to silk screen printing to rotate.

Furthermore, the quality detection device is arranged on the rack and close to the detection position of the turntable device.

Further, quality detection device is visual detection subassembly, including the second shooting subassembly of shooing the silk screen printing work piece, be used for providing the illumination subassembly of shooing the light source for the silk screen printing work piece, waits to wait to examine the work piece and rotate under the drive of the rotatable dress card mechanism of detection station, and the second shooting subassembly can acquire the surface picture information of silk screen printing work piece to judge whether the silk screen printing quality of the silk screen printing work piece of current detection is known qualified.

Furthermore, a feeding device is arranged on the feeding side and comprises a feeding mechanism and a feeding manipulator, the feeding mechanism is used for conveying the workpiece to be screen-printed to the feeding manipulator, and the feeding manipulator is used for transferring the workpiece from the feeding mechanism, so that the workpiece can be switched among feeding stations of the feeding mechanism, the visual positioning device and the turntable device; the discharging side is provided with a discharging device, the discharging device comprises a discharging mechanism and a discharging manipulator, and the discharging manipulator is used for transferring workpieces from a discharging station of the turntable device, so that the workpieces can be switched between the discharging mechanism and the discharging station of the turntable device; the blanking mechanism is used for conveying the silk-screen printed workpiece to the collecting device.

Further, the defective product recovery mechanism is arranged at a discharging station of the rotary table device, at the moment, the defective product recovery mechanism is provided with a recovery conveying mechanism which is parallel to or arranged at an included angle with the discharging mechanism, meanwhile, the discharging manipulator has a first stroke for transferring qualified workpieces from the discharging station of the rotary table device to the discharging mechanism, and also has a second stroke for transferring defective workpieces from the discharging station of the rotary table device to the recovery conveying mechanism, so that the workpieces can be switched among the discharging station, the discharging mechanism and the recovery conveying mechanism of the rotary table device. Specifically, when defective workpieces are not detected, the blanking manipulator is located at a first stroke, and qualified workpieces are transferred from a blanking position of the turntable device to the blanking mechanism; and when defective workpieces are detected, the blanking manipulator is positioned in the second stroke, and the defective workpieces are transferred from the blanking station of the turntable device to the recovery conveying mechanism.

Further, the defective product recycling mechanism can be arranged on a subsequent station of a blanking station of the turntable device, and specifically, the defective product recycling mechanism is a slide way with an inclined angle; at the moment, the stations of the rotary table device at least comprise five stations which are a feeding station, a screen printing station, a detection station, a blanking station and a recovery station in sequence, the defective product recovery mechanism is connected with the recovery station of the rotary table device, and specifically, when defective workpieces are not detected, the blanking manipulator transfers qualified workpieces from the blanking station of the rotary table device to the blanking mechanism; when defective workpieces are detected, the clamping mechanism located at the blanking station of the rotary table device continues to clamp the defective workpieces, the defective workpieces are moved to the recovery station under the driving of the rotary table driving motor, at the moment, the clamping mechanism located at the recovery station of the rotary table device releases the defective workpieces, and the defective workpieces fall into the slide way with the inclination angle and are recovered.

Furthermore, a UV light-curing device is further arranged on the blanking mechanism and used for curing ink on the silk-screen workpiece.

Further, the silk screen printing device includes: the screen printing assembly comprises a scraper device, a longitudinal moving mechanism for driving the scraper device to move longitudinally, and a vertical lifting mechanism for driving the longitudinal moving mechanism to move vertically, wherein the scraper device is rotatably connected with the longitudinal moving mechanism;

the screen plate assembly is used for supporting and adjusting the screen printing plate;

the transmission assembly comprises a vertical moving module arranged on the rack, a first transverse moving module connected with the screen printing assembly, and a second transverse moving module connected with the screen printing assembly, wherein the first transverse moving module and the second transverse moving module are sequentially arranged at the movable end of the vertical moving module in an up-and-down parallel manner;

the vertical lifting mechanism is connected with the movable end of the first transverse moving module;

the screen printing plate assembly is electrically connected with the visual positioning device and used for adjusting the relative position between the screen printing plate assembly and the second transverse moving module according to the position information of the workpiece acquired by the visual positioning device.

Further, the scraper device comprises at least two groups of scraper assemblies and a group of ink returning knives, wherein each group of scraper assembly and each ink returning knife is provided with a scraper driving part for driving the scraper assembly and the ink returning knives to move up and down respectively, the scraper driving part is connected with a scraper driving part support, and the scraper driving part support is perpendicular to a connecting support frame in a rotatable mode in the plane of the axis of the scraper driving part.

Because the utility model adopts the above technical scheme, make the beneficial effect that this application possesses lie in:

1. the utility model discloses a multistation vertical carousel silk screen printing machine is equipped with material loading station, silk screen printing station, detection station and unloading station at least in proper order along its circumference at the carousel device; and be provided with the quality detection device who is used for detecting the silk screen printing quality at the detection station of carousel device, and link up still to be equipped with the substandard product recovery mechanism that is used for retrieving unqualified silk screen printing work piece in quality detection device, make this vertical carousel silk screen printing machine of multistation can realize the detection of the silk screen printing quality of whole silk screen printing work pieces, and reject and retrieve unqualified work piece, for traditional artifical selective examination's mode, this vertical carousel silk screen printing machine of multistation is higher to the detection efficiency of defective products, and detection accuracy is also higher.

2. The utility model discloses a vertical carousel silk screen printing machine of multistation, the carousel device is equipped with material loading station, silk screen printing station, detection station and unloading station along its circumference at least in proper order, and for three station carousel silk screen printing machines of tradition, this vertical carousel silk screen printing machine of multistation has not only increased detection station, can also extend along its circumference and wait for the station, for example when retrieving the substandard product, increases the recovery station, improves the transport efficiency of carousel, is the work efficiency who improves whole silk screen printing machine promptly.

3. The utility model discloses a vertical carousel silk screen printing machine of multistation, the dress card mechanism of the material loading station of carousel device, silk screen printing station, detection station is rotatable dress card mechanism, and is concrete, but rotatable dress card mechanism includes the rotatory chucking driving motor of scalable chucking mechanism of drive, but rotatable dress card mechanism set up to make the work piece can rotate on corresponding station, especially detection station for quality detection device can acquire the all-round image information of silk screen printing work piece, makes quality detection device's simple structure.

4. The utility model discloses a vertical carousel silk screen printing machine of multistation, substandard product recovery mechanism sets up the unloading station at carousel device, and at this moment, substandard product recovery mechanism is provided with the recovery conveying mechanism who arranges with the unloading mechanism is parallel or be the contained angle, and unloading manipulator has the first stroke that shifts qualified work piece to unloading mechanism from carousel device's unloading station simultaneously, still has the second stroke that shifts the substandard product work piece to recovery conveying mechanism from carousel device's unloading station for the work piece can switch between carousel device's unloading station, unloading mechanism and recovery conveying mechanism. The recovery conveying mechanism is arranged at the blanking station of the rotary table device, and detected unqualified products are collected through the recovery conveying mechanism, so that fragile glass workpieces can be stably conveyed and collected, and the waste of resources is reduced.

5. The utility model discloses a multistation vertical carousel silk screen printing machine, substandard product recovery mechanism can also set up on the follow-up station of carousel device unloading station, specifically, substandard product recovery mechanism is the slide that has inclination; at the moment, the station of the turntable device is at least provided with five stations which are a feeding station, a silk-screen printing station, a detection station, a blanking station and a recovery station in sequence, the defective product recovery mechanism is connected to the recovery station of the turntable device and collects detected defective products through a slide way with an inclined angle, so that plastic workpieces which are not easy to break can be effectively collected, the waste of resources is reduced, and the complexity of the equipment is reduced.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the drawings without creative efforts;

fig. 1 is a schematic internal perspective view 1 of a multi-station vertical rotary screen printing machine of the present invention;

FIG. 2 is a schematic view of the multi-station vertical rotary screen printing machine with the inside of the frame removed;

fig. 3 is a schematic perspective view of the recycling and conveying mechanism of the multi-station vertical rotary table screen printing machine inferior-quality product recycling mechanism of the present invention;

FIG. 4 is a schematic perspective view of a multi-station vertical rotary table screen printer defective product recycling mechanism as a slide way;

fig. 5 is a schematic perspective view of the feeding manipulator of the present invention;

fig. 6 is a schematic perspective view of the discharging manipulator of the present invention;

fig. 7 is a schematic perspective view of the turntable device of the present invention 1;

fig. 8 is a schematic perspective view of the turntable device of the present invention, fig. 2;

fig. 9 is a schematic perspective view of a screen printing apparatus of the present invention;

the reference numbers are as follows:

1	screen printing device	A	Machining passage
				2	Rotary disc device	a	Feeding station
21	Rotary disc	b	Silk-screen printing station
				22	Turntable driving motor	c	Detection station
23	Card loading mechanism	d	Blanking station
				3	Quality detection device	e	Recovery station
4	Inferior product recycling mechanism	A1	Feeding side
				41a	Recovery conveying mechanism	A2	Discharge side
42a	Blanking manipulator
				41b	Slide way
5	Rack
				6	Visual positioning device
61	First shooting assembly
				62	Rotatable clamping assembly
7	Feeding device
				71	Feeding mechanism
72	Feeding manipulator
				8	Blanking device
81	Blanking mechanism
				82	Blanking manipulator
9	UV light-curing device

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that all the directional indicators in the embodiments of the present invention, such as the first, second, upper, lower, left, right, front and rear … …, are only used to explain the relative position relationship between the components, the motion situation, etc. in a specific posture as shown in the drawings, and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the technical solutions between the embodiments of the present invention can be combined with each other, but it is necessary to be able to be realized by a person having ordinary skill in the art as a basis, and when the technical solutions are contradictory or cannot be realized, the combination of such technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

The invention will be further described with reference to the following figures:

referring to fig. 1-4, the utility model provides a vertical carousel 21 silk screen printing machine of multistation, include:

the screen printing device 1 is used for screen printing on the workpiece;

the rotary table device 2 is at least sequentially provided with a feeding station a, a silk-screen printing station b, a detection station c and a blanking station d along the circumferential direction of the rotary table device 2;

the quality detection device 3 is connected with the screen printing device 1 and is used for carrying out screen printing effect inspection on the workpiece processed by the screen printing device 1;

and the inferior-quality product recovery mechanism 4 is connected with the quality detection device 3 and is used for recovering the unqualified workpieces detected by the quality detection device 3. Quality detection device 3 and substandard product recovery mechanism 4 set up and make this vertical carousel 21 silk screen printing machine of multistation can realize the detection of the silk screen printing quality of whole silk screen printing work pieces to reject and retrieve unqualified work pieces, for traditional artifical selective examination's mode, this vertical carousel 21 silk screen printing machine of multistation is higher to the detection efficiency of defective work piece, and detection accuracy is also higher, can also retrieve the substandard product simultaneously, is favorable to the cyclic utilization of resource.

As a preferred embodiment, referring to fig. 1, the multi-station vertical rotary screen printing machine further includes a frame 5, wherein a processing channel a for conveying workpieces is arranged on the frame 5, and the processing channel a includes a feeding side a1 and a discharging side a 2; the silk-screen workpiece enters the processing channel A from the feeding side A1, and then is output to the outer side of the processing channel A from the discharging side A2; it should be noted here that the processing channel a may be a solid channel, such as a pipe (not shown), or may be a channel formed by arranging a plurality of transmission members, such as a solid processing channel a formed by sequentially connecting a feeding conveyor belt, a turntable device 2, and a discharging conveyor belt in this embodiment; the silk-screen device 1 is arranged on the processing channel A, is positioned in the conveying direction of the workpiece and is positioned on a silk-screen station b of the rotary table device 2; the rotary table device 2 is arranged on the processing channel A and is positioned below the silk-screen device 1; the quality detection device 3 and the defective product recovery mechanism 4 are both arranged on the processing channel A and positioned on the discharge side A2, and the quality detection device 3 is positioned on a detection station c of the turntable device 2; the direction of the turntable device 2 is perpendicular to the direction of the processing channel A; in this embodiment, the frame 5 includes a horizontal platform supporting the processing channel a and a vertical frame 5 disposed on the horizontal platform and vertically connected to the horizontal platform, and the turntable device 2 is connected to the vertical frame 5, so that the vertical turntable 21 screen printer occupies a small area and has a more compact structure relative to the horizontal turntable 21 screen printer; but brought the degree of difficulty for quality testing simultaneously, especially bottle class silk screen printing work piece, to some circumstances, need detect the silk screen printing quality of the surface of whole bottle, just need obtain the whole image information of bottle lateral wall, compare the quality testing of plane silk screen printing work piece and increased the degree of difficulty.

As a preferred embodiment, referring to fig. 1, 7, and 8, the turntable device 2 includes a turntable 21, a turntable driving motor 22 installed on the back of the turntable 21 for driving the turntable 21 to rotate, and a chucking mechanism 23 disposed on the front of the turntable 21 for chucking a workpiece, the chucking mechanisms 23 are respectively disposed on the stations of the turntable device 2 along the circumferential direction, and the turntable 21 is disposed to integrate multiple stations required for screen printing on the turntable 21.

As a preferred embodiment, in order to accurately obtain the screen printing position of the screen printing workpiece, the screen printing machine with the multi-station vertical turntable 21 is further provided with a visual positioning device 6, and the visual positioning device 6 is located on the feeding side a1 of the turntable device 2 and is used for obtaining the position information of the workpiece in the processing channel a.

As a preferred embodiment, the visual positioning device 6 comprises a first shooting assembly 61 and a rotatable clamping assembly 62, the rotatable clamping assembly 62 is arranged near the loading position of the turntable device 2, the first shooting assembly 61 is arranged near the rotatable clamping assembly 62, and the first shooting assembly 61 can shoot all-dimensional photos of a workpiece to be silk-screened, which is clamped on the rotatable clamping assembly 62, so as to accurately position the silk-screen position of the silk-screen workpiece; the rotatable clamping assembly 62 is used for clamping a workpiece to be subjected to screen printing and can drive the workpiece to be subjected to screen printing to rotate.

As a preferred embodiment, referring to fig. 7 and 8, in order to match the position information of the workpiece to be screen-printed on the processing channel a, which is acquired by the visual positioning device 6, the card loading mechanism 23 of the feeding station a of the turntable device 2 is a rotatable card loading mechanism; in order to complete silk-screen printing work in cooperation with the silk-screen printing device 1, the card installing mechanism 23 of the silk-screen printing station b of the rotary table device 2 is a rotatable card installing mechanism; in order to cooperate with the quality detection device 3 to acquire all picture information of the outer side wall of the silk-screen workpiece, the card installing mechanism 23 of the detection station c of the turntable device 2 is a rotatable card installing mechanism, specifically, the rotatable card installing mechanism can drive the silk-screen workpiece clamped on the rotatable card installing mechanism to rotate, and the rotatable card installing mechanism comprises a telescopic clamping mechanism and a clamping driving motor for driving the telescopic clamping mechanism to rotate.

Referring to fig. 1 and 2, as a preferred embodiment, the quality inspection device 3 is disposed on the frame 5 adjacent to the inspection site of the turntable device 2. Quality detection device 3 is the visual detection subassembly, including the second shooting subassembly of shooting the silk screen printing work piece, be used for providing the illumination subassembly of shooting the light source for the silk screen printing work piece, waits to examine the work piece and rotates under the drive of the rotatable dress card mechanism of detection station c, and the second shooting subassembly can acquire the surface picture information of silk screen printing work piece to judge whether the silk screen printing quality of the silk screen printing work piece of current detection is known qualified.

As a preferred embodiment, referring to fig. 1 and 2, and fig. 5 to 8, the feeding side a1 is provided with a feeding device 7, the feeding device 7 includes a feeding mechanism 71 and a feeding manipulator 72, the feeding mechanism 71 is used for conveying workpieces to be screen-printed to the feeding manipulator, the feeding manipulator 72 is used for transferring the workpieces from the feeding mechanism 71, so that the workpieces can be switched among the feeding mechanism 71, the visual positioning device 6 and the feeding station a of the turntable device 2; the discharging side A2 is provided with a blanking device 8, the blanking device 8 comprises a blanking mechanism 81 and a blanking manipulator 82, and the blanking manipulator 82 is used for transferring workpieces from a blanking station d of the turntable device 2, so that the workpieces can be switched between the blanking mechanism 81 and the blanking station d of the turntable device 2; the blanking mechanism 81 is used for conveying the silk-screen printed workpiece to the collecting device; in this embodiment, the feeding mechanism 71 and the blanking mechanism 81 are both conveying belts, and the feeding mechanism 71, the feeding manipulator 72, the blanking mechanism 81 and the blanking manipulator 82 are arranged, so that automatic feeding and blanking of the screen printing machine are realized, and the processing efficiency of the screen printing machine is improved.

As a preferred embodiment, referring to fig. 2 and 3, in order to accomplish smooth conveyance and recovery of fragile glass-screen-printed workpieces, the inferior goods recovery mechanism 4 is provided with a recovery conveyance mechanism 4a arranged parallel to or at an angle to the blanking mechanism 81, while the blanking robot 42a has a first stroke for transferring the qualified workpieces from the blanking station d of the turntable device 2 to the blanking mechanism, and has a second stroke for transferring the inferior workpieces from the blanking station d of the turntable device 2 to the recovery conveyance mechanism 4a, so that the workpieces can be switched among the blanking station d of the turntable device 2, the blanking mechanism 81, and the recovery conveyance mechanism 4 a. Specifically, the defective recovery mechanism 4 is arranged at a blanking station d of the turntable device 2, and when the quality detection device 3 does not detect defective workpieces, the blanking manipulator 42a is positioned at a first stroke, and transfers qualified workpieces to the blanking mechanism from the blanking station d of the turntable device 2; when the quality inspection device 3 detects a defective workpiece, the feeding robot 42a is located at the second stroke, and transfers the defective workpiece from the feeding station d of the turntable device 2 to the recovery conveying mechanism 4a, and the defective workpiece is conveyed to the collection device by the recovery conveying mechanism 4a, in this embodiment, the recycling conveying mechanism 4a is a belt conveying mechanism, which is simple in structure and convenient for layout, the feeding manipulator 42a is provided with a horizontal moving mechanism, preferably but not limited to a ball screw module, and the feeding manipulator 42a is driven by the ball screw module, so that the feeding manipulator 42a can move the detected screen printing workpiece to the feeding mechanism 81 and also can move the detected screen printing workpiece to the recycling conveying mechanism 4a, and the stable belt conveying mechanism can convey unqualified silk-screen printing workpieces to a collection place, and the unqualified silk-screen printing workpieces are orderly recycled by matching with a defective product discharging manipulator 42a (not shown in the figure).

As a preferred embodiment, referring to fig. 4, in order to effectively collect the plastic silk-screen printing workpiece which is not fragile, the inferior-quality product recovery mechanism 4 is a slide 41b with an inclined angle, the inferior-quality product recovery mechanism 4 is arranged on a subsequent station of the blanking station d of the turntable device 2, at this time, the circumferential station of the turntable device 2 at least has five stations, which are a feeding station a, a silk-screen printing station b, a detection station c, a blanking station d and a recovery station e in sequence, the inferior-quality product recovery mechanism 4 is connected to the recovery station e of the turntable device 2, and specifically, when the quality detection device 3 does not detect the inferior-quality product workpiece, the blanking manipulator 82 transfers the qualified workpiece from the blanking station d of the turntable device 2 to the blanking mechanism; when the quality detection device 3 detects a defective workpiece, the clamping mechanism 23 located at the blanking station d of the turntable device 2 continues to clamp the defective workpiece, and the defective workpiece is moved to the recycling station e under the driving of the turntable driving motor 22, and at this time, the clamping mechanism 23 located at the recycling station e of the turntable device 2 releases the defective workpiece, and the defective workpiece falls into the slide 41b with the inclined angle and is recycled. The recycling of the inferior-quality products is performed by using the slide rail 41b, the complexity of the blanking manipulator 42a is reduced, and the slide rail 41b is simple in structure, low in manufacturing cost and convenient to arrange.

In this embodiment, in order to improve the transfer efficiency of the turntable, the turntable device 2 is provided with six stations, which are a feeding station a, a screen printing station b, a detection station c, a discharging station d, a recovery station e and a waiting station in sequence, and in the actual processing process, the turntable device 2 can be additionally provided with corresponding stations according to the adjustment of the processing technology.

As a preferred embodiment, referring to fig. 1 to 3, the blanking mechanism 81 is further provided with a UV light-curing device 9 for curing ink on the screen printing workpiece.

As a preferred embodiment, referring to fig. 9, the screen printing apparatus 1 includes: the screen printing assembly comprises a scraper device, a longitudinal moving mechanism for driving the scraper device to move longitudinally, and a vertical lifting mechanism for driving the longitudinal moving mechanism to move vertically, wherein the scraper device is rotatably connected with the longitudinal moving mechanism;

the transmission assembly comprises a vertical moving module arranged on the rack 5, a first transverse moving module connected with the screen printing assembly, and a second transverse moving module connected with the screen printing assembly, wherein the first transverse moving module and the second transverse moving module are sequentially arranged at the movable end of the vertical moving module in an up-and-down parallel manner;

and the vertical lifting mechanism is connected with the movable end of the first transverse moving module.

The screen assembly is electrically connected with the visual positioning device 6, and the screen assembly is used for adjusting the relative position between the screen assembly and the second transverse moving module according to the position information of the workpiece acquired by the visual positioning device 6.

As a preferred embodiment, the scraper device comprises at least two groups of scraper assemblies and a group of ink returning knives, wherein each group of scraper assembly and ink returning knife is respectively provided with a scraper driving part for driving the scraper assembly and the ink returning knives to move up and down, the scraper driving part is connected with a scraper driving part support, and the scraper driving part support is rotatably connected with a connecting support frame in a plane perpendicular to the axis of the scraper driving part.

The above is a detailed introduction of the present invention, and the principles and embodiments of the present invention have been explained herein using specific embodiments, and the explanations of the above embodiments are only used to help understand the methods and core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. The utility model provides a vertical carousel silk screen printing machine of multistation which characterized in that includes:

the screen printing device is used for screen printing on the workpiece;

2. The multi-station vertical rotary table screen printing machine according to claim 1, further comprising a frame, wherein a processing channel for conveying workpieces is arranged on the frame, and the processing channel comprises a feeding side and a discharging side; the silk-screen device is arranged on the processing channel, positioned in the conveying direction of the workpiece and positioned on a silk-screen station of the rotary table device; the rotary table device is arranged on the processing channel and is positioned below the silk-screen device; the quality detection device and the defective product recovery mechanism are both arranged on the processing channel and located on the discharge side, and the quality detection device is located on a detection station of the rotary disc device.

3. The multi-station vertical rotary table screen printing machine according to claim 1 or 2, wherein the rotary table device comprises a rotary table, a rotary table driving motor installed on the back of the rotary table and used for driving the rotary table to rotate, and a clamping mechanism arranged on the front of the rotary table and used for clamping workpieces, and the clamping mechanisms are respectively arranged on the stations of the rotary table device arranged along the circumferential direction of the rotary table device.

4. The multi-station vertical rotary table screen printing machine according to claim 3, wherein the clamping mechanisms of the feeding station, the screen printing station and the detection station of the rotary table device are all rotatable clamping mechanisms, and each rotatable clamping mechanism comprises a telescopic clamping mechanism and a clamping driving motor for driving the telescopic clamping mechanism to rotate.

5. The multi-station vertical rotary table screen printing machine according to claim 2, further comprising a visual positioning device located at a feeding side of the rotary table device.

6. The multi-station vertical rotary table screen printing machine according to any one of claims 1, 2 and 5, wherein the quality detection device is arranged on the frame and is close to the detection position of the rotary table device.

7. The multi-station vertical rotary table screen printing machine according to claim 6, wherein the quality detection device is a visual detection assembly, and comprises a second shooting assembly for shooting the screen printing workpiece and an illumination assembly for providing a shooting light source for the screen printing workpiece.

8. The multi-station vertical rotary table screen printing machine according to claim 2 or 5, wherein a feeding device is arranged on the feeding side, the feeding device comprises a feeding mechanism and a feeding manipulator, the feeding mechanism is used for conveying workpieces to be screen printed to the feeding manipulator, and the feeding manipulator is used for transferring the workpieces from the feeding mechanism; the discharging side is provided with a discharging device, the discharging device comprises a discharging mechanism and a discharging mechanical arm, the discharging mechanical arm is used for transferring workpieces from a discharging station of the turntable device, and the discharging mechanism is used for conveying the silkscreen workpieces to a collecting device.

9. The multi-station vertical rotary table screen printing machine according to claim 8, wherein the substandard product recycling mechanism is provided with a recycling conveying mechanism arranged in parallel or at an included angle with the blanking mechanism, and the recycling conveying mechanism is arranged at a blanking station of the rotary table device; meanwhile, the blanking manipulator is provided with a first position stroke and a second position stroke which are switched among a blanking station, a blanking mechanism and a recovery conveying mechanism of the turntable device.

10. The multi-station vertical rotary table screen printing machine according to claim 8, wherein the defective product recycling mechanism is a slide way with an inclined angle, the slide way is arranged on a subsequent station of a blanking station of the rotary table device, the stations of the rotary table device at least have five stations, namely a feeding station, a screen printing station, a detection station, a blanking station and a recycling station, and the defective product recycling mechanism is connected with the recycling station of the rotary table device.