CN210390433U

CN210390433U - Screen printing equipment

Info

Publication number: CN210390433U
Application number: CN201920810334.3U
Authority: CN
Inventors: 段锡波; 陈新飞; 吴庭; 刘志盛; 凌志; 袁树根
Original assignee: Dongguan Zhanxun Machinery Technology Co ltd
Current assignee: Guangdong Zhanxun Intelligent Equipment Technology Co ltd
Priority date: 2019-05-30
Filing date: 2019-05-30
Publication date: 2020-04-24
Anticipated expiration: 2029-05-30

Abstract

The utility model belongs to the technical field of the screen printing technique and specifically relates to indicate a screen printing equipment, including last unloader, dust collector, screen printing device, carousel, be used for driving carousel pivoted carousel actuating mechanism, be used for carrying the conveyor that the carrier removed, be used for setting up in a plurality of positioner of carousel to feedway and the annular array of the carrier that the conveyor supplied the bearing load with the material, dust collector is used for removing dust to the material on the carousel, and positioner is used for fixing a position the material after removing dust, and screen printing device is used for carrying out screen printing to the material after the location, last unloader is used for carrying the material on the carrier that conveyor carried to the carousel or carries the material after printing on the carousel to the carrier that conveyor carried. The utility model discloses uninterruptedly realized the automatic material loading of material, remove dust, location, printing and unloading, reduced intensity of labour and cost, improved screen printing's efficiency and quality effectively.

Description

Screen printing equipment

Technical Field

The utility model belongs to the technical field of the screen printing technique and specifically relates to indicate a screen printing equipment.

Background

Screen printing is a widely used printing technique, in which the paste is transferred to a printing material through the meshes of the image-text part of a printing plate by the extrusion of a scraper to form the image-text same as that of an original. The screen printing equipment is simple, the operation is convenient, the printing and the plate making are simple and easy, the cost is low, and the adaptability is strong. With the continuous improvement of printing technology, full-automatic printing equipment is a development trend of the screen printing industry, and although some automatic screen printing machines exist at present, the processing procedures of feeding, screen printing, blanking and the like still need to be finished manually according to the development trend, so that the processing efficiency is low, the printing precision is low, and the printing cost is high.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, an object of the utility model is to provide a screen printing equipment, its automatic material loading, dust removal, location, printing and the unloading that has uninterruptedly realized the material have reduced intensity of labour and cost, have improved screen printing's efficiency and quality effectively.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a screen printing equipment, its includes unloader, dust collector, screen printing device, carousel, is used for driving carousel pivoted carousel actuating mechanism, is used for carrying the conveyor that the carrier removed, is used for supplying feedway and the annular array that bears the weight of the carrier of material to conveyor and sets up in a plurality of positioner of carousel, dust collector is used for removing dust to the material on the carousel, positioner is used for fixing a position the material after removing dust, screen printing device is used for carrying out screen printing to the material after the location, unloader is used for carrying the material on the carrier that conveyor carried to the carousel or carrying the material after printing on the carousel to the carrier that conveyor carried.

Furthermore, the feeding and discharging device comprises a frame, a first feeding and discharging mechanism for feeding and discharging materials, a second feeding and discharging mechanism for feeding and discharging materials, a first moving driving mechanism installed in the frame and used for driving the first feeding and discharging mechanism to move along the length direction of the frame, and a second moving driving mechanism installed in the frame and used for driving the second feeding and discharging mechanism to move along the length direction of the frame, wherein the second feeding and discharging mechanism is arranged below the rear part of the first feeding and discharging mechanism in a sliding manner, the first feeding and discharging mechanism is connected with the frame in a sliding manner through a first sliding seat, the second feeding and discharging mechanism is connected with the frame in a sliding manner through a second sliding seat, the first sliding seat is arranged above the second sliding seat in a sliding manner, and the first sliding seat is provided with a clearance groove for the second sliding seat to pass through.

Furthermore, the screen printing equipment also comprises a material receiving device for receiving the carrier which is output by the conveying device and bears the printed materials, and the material receiving device and the feeding device are respectively arranged at the discharging end and the feeding end of the conveying device.

Furthermore, the conveying device is provided with a material placing space, the feeding device comprises a material placing mechanism arranged in the material placing space in a lifting mode, a material supporting mechanism arranged at the feeding end of the conveying device and a positioning frame arranged at the feeding end of the conveying device, the material placing mechanism is located in the positioning frame and is used for bearing stacked carriers and placing the carrier at the bottommost layer on the conveying device, the positioning frame is used for positioning the stacked carriers, and the material supporting mechanism is used for supporting the carriers above the bottommost layer.

Furthermore, the discharging mechanism comprises a discharging seat positioned below the conveying device, a discharging plate arranged on the discharging seat in a sliding manner, and a lifting driver which is arranged on the discharging seat and used for driving the discharging plate to lift; the material placing plate is provided with a material clamping device, and the material clamping device is used for clamping the carrier at the bottommost layer.

Furthermore, the material clamping device comprises two material clamping components symmetrically arranged at two ends of the material discharging plate, and each material clamping component comprises a material clamping cylinder arranged at the bottom of the material discharging plate and a material clamping plate arranged on a piston rod of the material clamping cylinder; the material supporting mechanism comprises two material supporting components symmetrically arranged on two sides of the conveying device, each material supporting component comprises a material supporting seat, a material supporting cylinder arranged on the material supporting seat, a movable plate arranged on a piston rod of the material supporting cylinder and a material supporting part arranged on the movable plate, and the material supporting part is connected with the material supporting seat in a sliding mode.

Furthermore, the positioning device comprises a positioning seat, a transverse positioning assembly arranged on the positioning seat in a sliding manner, a transverse moving driving mechanism used for driving the transverse positioning assembly to position the transverse position of the material, a longitudinal positioning assembly arranged on the positioning seat in a sliding manner, a longitudinal moving driving mechanism used for driving the longitudinal positioning assembly to position the longitudinal position of the material, and a lifting driving mechanism used for driving the positioning seat to be close to or far away from the turntable.

Furthermore, the transverse positioning assembly comprises a first transverse sliding block connected to the positioning seat in a sliding manner, a second transverse sliding block connected to the positioning seat in a sliding manner, a first transverse positioning rod arranged on the first transverse sliding block and a second transverse positioning rod arranged on the second transverse sliding block, and the transverse movement driving mechanism is used for driving the first transverse sliding block and the second transverse sliding block to be close to or far away from each other; the longitudinal positioning assembly comprises a first longitudinal sliding block, a second longitudinal sliding block, a first longitudinal positioning rod and a second longitudinal positioning rod, the first longitudinal positioning rod is slidably connected to the positioning seat, the second longitudinal positioning rod is slidably connected to the positioning seat, the first longitudinal positioning rod is arranged on the first longitudinal sliding block, the second longitudinal positioning rod is arranged on the second longitudinal sliding block, the turntable is provided with a transverse sliding groove and a longitudinal sliding groove, the first transverse positioning rod and the second transverse positioning rod are slidably arranged in the transverse sliding groove, and the first longitudinal positioning rod and the second longitudinal positioning rod are slidably arranged in the longitudinal sliding.

Furthermore, the carousel is provided with a plurality of feed chutes that are used for sucking the material after tight location, and a plurality of feed chutes that inhale are the annular array and set up in the carousel, inhale the feed chute and set up with positioner one-to-one, inhale the central point that the feed chute is located horizontal locating component and vertical locating component and put.

Furthermore, the first feeding and discharging mechanism comprises a first lifting cylinder arranged on the first sliding seat, a first lifting seat arranged on a piston rod of the first lifting cylinder, and a first material absorbing piece arranged at the bottom of the first lifting seat.

The utility model has the advantages that: in actual work, a feeding device supplies carriers carrying a plurality of orderly placed materials to be printed to a conveying device, the conveying device conveys the carriers to a set position, one positioning device on a turntable is positioned at a feeding and discharging station, the feeding and discharging device conveys the materials to be printed on the carriers conveyed by the conveying device to the turntable, the materials to be printed and the positioning devices positioned at the feeding and discharging station are correspondingly arranged, the turntable is driven by a turntable driving mechanism to be sequentially and circularly transferred among the feeding and discharging station, a dust removing station, the positioning station and a printing station, the materials are sequentially transferred to the dust removing station, the positioning station, the printing station and the feeding and discharging station, the dust removing device removes dust from the materials to be printed on the turntable, the positioning device positions the materials after dust removal on the turntable, and the screen printing device performs screen printing on the positioned materials, the feeding and discharging device conveys the printed materials to the empty position in the carrier conveyed by the conveying device, so that the automatic feeding, dust removal, positioning, printing and discharging of the materials are uninterruptedly realized, the labor intensity and the cost are reduced, and the efficiency and the quality of the screen printing are effectively improved. Of course, after the material to be printed is conveyed to one of the positioning devices on the rotary table by the feeding and discharging device, the positioning device can also perform primary positioning on the material to be printed, and the material after primary positioning is transferred to the dust removal station for dust removal treatment, so that the position precision of the material is ensured, the dust removal quality of the material is improved, and the screen printing quality is further improved.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic view of the three-dimensional structure of the utility model after the machine platform is hidden.

Fig. 3 is a schematic perspective view of the conveying device and the feeding device of the present invention.

Fig. 4 is a schematic perspective view of the positioning device of the present invention.

Fig. 5 is a schematic perspective view of the loading and unloading device of the present invention.

Fig. 6 is a schematic perspective view of another viewing angle of the loading and unloading device of the present invention.

Fig. 7 is a schematic view of the three-dimensional structure of the loading and unloading device of the present invention after the frame is hidden.

Fig. 8 is an exploded schematic view of the first feeding and discharging mechanism and the second feeding and discharging mechanism of the present invention.

Description of reference numerals:

1. a loading and unloading device; 11. a frame; 111. a first limit piece; 112. a second limiting member; 113. a first slide rail; 114. a second slide rail; 115. a first inductor; 116. a second inductor; 12. a first loading and unloading mechanism; 121. a first lifting cylinder; 122. a first lifting seat; 123. a first suction member; 13. a second loading and unloading mechanism; 131. a second lifting cylinder; 132. a second lifting seat; 133. a second suction member; 14. a first movement driving mechanism; 141. a first drive wheel; 142. a first driven wheel; 143. a first drive belt; 144. a first clamp; 145. a first motor; 15. a second movement driving mechanism; 151. a second drive wheel; 152. a second driven wheel; 153. a second belt; 154. a second clamp; 155. a second motor; 16. a first slider; 161. an empty avoiding groove; 162. a first slide hole; 163. a first sensing piece; 17. a second slide carriage; 171. a guide sleeve; 172. a guide bar; 173. a third limiting member; 174. a fourth limiting member; 175. a second slide hole; 176. a second sensing piece; 2. a dust removal device; 3. a screen printing device; 4. a turntable; 41. a turntable driving mechanism; 42. a transverse chute; 43. a longitudinal chute; 44. a material suction groove; 5. a conveying device; 51. a material placing space; 6. a feeding device; 61. a discharging mechanism; 611. a material placing seat; 612. a material placing plate; 613. a lift drive; 62. a material supporting component; 621. a material supporting seat; 622. a material supporting cylinder; 623. moving the plate; 624. a material supporting part; 63. a corner bracket; 64. a material clamping component; 641. a material clamping cylinder; 642. a material clamping plate; 7. a positioning device; 71. positioning seats; 72. a traverse driving mechanism; 73. a longitudinal movement driving mechanism; 74. a lifting drive mechanism; 75. a first lateral slider; 751. a second lateral slider; 752. a first transverse positioning rod; 753. a second transverse positioning rod; 76. a first longitudinal slide; 761. a second longitudinal slide; 762. a first longitudinal positioning rod; 763. a second longitudinal positioning rod; 8. a material receiving device; 9. a carrier; 91. and (3) feeding.

Detailed Description

In order to facilitate understanding of those skilled in the art, the present invention will be further described with reference to the following examples and drawings, which are not intended to limit the present invention.

As shown in fig. 1 to 8, the screen printing apparatus provided by the present invention comprises a machine table, a loading and unloading device 1, a dust removing device 2, a screen printing device 3, a rotary table 4, a rotary table driving mechanism 41 for driving the rotary table 4 to rotate, a conveying device 5 for conveying carriers 9 to move, a feeding device 6 for supplying the carriers 9 carrying materials 91 to the conveying device 5, and a plurality of positioning devices 7 arranged on the rotary table 4 in an annular array, the dust removing device 2 is used for removing dust from the materials 91 on the turntable 4, the positioning device 7 is used for positioning the materials 91 after dust removal, the screen printing device 3 is used for screen printing on the positioned materials 91, and the feeding and discharging device 1 is used for conveying the materials 91 on the carriers 9 conveyed by the conveying device 5 to the turntable 4 or conveying the materials 91 printed on the turntable 4 to the carriers 9 conveyed by the conveying device 5. Specifically, the printing device is located above the turntable 4, the dust removal device 2 is located between the turntable 4 and the conveying device 5, the material 91 to be printed is loaded to the turntable 4 by the loading and unloading device 1 or the material 91 printed on the turntable 4 is unloaded by the loading and unloading device 1, the material 91 on the turntable 4 is dedusted by the dust removal device 2, the material 91 screen-printed by the screen printing device 3 is printed, the material 91 between the dedusting station and the printing station is positioned, and the turntable 4 is driven by the turntable driving mechanism 41 to be sequentially circularly transferred among the loading and unloading station, the dedusting station, the positioning station and the printing station. In this embodiment, the material 91 may be a glass sheet.

In actual work, the feeding device 6 supplies a carrier 9 carrying a plurality of orderly placed materials 91 to be printed to the conveying device 5, the conveying device 5 conveys the carrier 9 to a set position, one positioning device 7 on the rotary table 4 is positioned at a feeding and discharging station, the feeding and discharging device 1 conveys the materials 91 to be printed on the carrier 9 conveyed by the conveying device 5 to the rotary table 4, so that the materials 91 to be printed are arranged corresponding to the positioning device 7 positioned at the feeding and discharging station, the rotary table 4 is driven by the rotary table driving mechanism 41 to be sequentially and circularly transferred among the feeding and discharging station, the dust removing station, the positioning station and the printing station, the materials 91 are sequentially transferred to the dust removing station, the positioning station, the printing station and the feeding and discharging station, so that the dust removing device 2 removes dust from the materials 91 to be printed on the rotary table 4, the positioning device 7 positions the materials 91 after dust removal on the turntable 4, the screen printing device 3 performs screen printing on the positioned materials 91, and the feeding and discharging device 1 conveys the printed materials 91 to the empty position in the carrier 9 conveyed by the conveying device 5, so that automatic feeding, dust removal, positioning, printing and discharging of the materials 91 are uninterruptedly realized, the labor intensity and the cost are reduced, and the efficiency and the quality of the screen printing are effectively improved. Of course, after the material 91 to be printed is conveyed to one of the positioning devices 7 on the rotary table 4 by the upper and lower feeding devices 1, the positioning device 7 can also perform primary positioning on the material 91 to be printed, and the material 91 after primary positioning is transferred to a dust removal station for dust removal treatment, so that the position precision of the material 91 is ensured, the dust removal quality of the material 91 is improved, and the screen printing quality is further improved.

Preferably, the number of said positioning means 7 is four.

In this embodiment, the screen printing apparatus further includes a material receiving device 8 for receiving the carrier 9 carrying the printed material 91 output by the conveying device 5, and the material receiving device 8 and the feeding device 6 are respectively disposed at the discharging end and the feeding end of the conveying device 5. When the carrier 9 conveyed by the conveying device 5 is fully loaded with the printed materials 91, the conveying device 5 conveys the carrier 9 to the material receiving device 8, and the material receiving device 8 automatically collects the carrier 9.

In this embodiment, the loading and unloading device 1 includes a frame 11, a first loading and unloading mechanism 12 for loading and unloading the material 91, a second loading and unloading mechanism 13 for loading and unloading the material 91, a first moving driving mechanism 14 installed on the frame 11 and used for driving the first loading and unloading mechanism 12 to move along the length direction of the frame 11, and a second moving driving mechanism 15 installed on the frame 11 and used for driving the second loading and unloading mechanism 13 to move along the length direction of the frame 11, the second loading and unloading mechanism 13 is slidably disposed at the rear lower part of the first loading and unloading mechanism 12, the first loading and unloading mechanism 12 is slidably connected with the frame 11 through a first sliding seat 16, the second loading and unloading mechanism 13 is slidably connected with the frame 11 through a second sliding seat 17, the first sliding seat 16 is slidably disposed above the second sliding seat 17, the first sliding seat 16 is provided with an empty avoiding groove 161 for the second sliding seat 17 to pass through, the first feeding and discharging mechanism 12 and the second feeding and discharging mechanism 13 are used for picking up the material 91.

In actual work, the first moving driving mechanism 14 drives the first loading and unloading mechanism 12 to reciprocate on the frame 11 through the first sliding seat 16, the second moving driving mechanism 15 drives the second loading and unloading mechanism 13 to reciprocate on the frame 11 through the second sliding seat 17, so that the first loading and unloading mechanism 12 and the second loading and unloading mechanism 13 both reciprocate between the rotary table 4 (loading and unloading station) and the conveying device 5, and because the first sliding seat 16 is provided with the clearance groove 161, the clearance groove 161 provides a space for the movement of the second sliding seat 17, so that the second sliding seat 17 can penetrate through the first sliding seat 16, the movement of the first sliding seat 16 and the movement of the second sliding seat 17 are not interfered with each other, namely, the work of the first loading and unloading mechanism 12 and the work of the second loading and unloading mechanism 13 are not influenced with each other, and the two can work at the same time, so that when the first loading and unloading mechanism 12 carries out unloading on the printed material 91 on the rotary table 4, the second feeding and discharging mechanism 13 feeds the material 91 to be printed, which is carried by the conveying device 5, onto the turntable 4, so that the feeding and discharging period is shortened, and the feeding and discharging efficiency is greatly improved.

In this embodiment, the first loading and unloading mechanism 12 includes a first lifting cylinder 121 installed on the first sliding base 16, a first lifting base 122 installed on a piston rod of the first lifting cylinder 121, and a first material sucking member 123 installed at the bottom of the first lifting base 122. When the first moving driving mechanism 14 drives the first loading and unloading mechanism 12 to move to the loading and unloading station, the first lifting cylinder 121 drives the first lifting seat 122 to move downward close to the material 91 until the first material absorbing member 123 on the first lifting seat 122 absorbs the printed material 91 on the loading and unloading station, then the first lifting cylinder 121 drives the first material absorbing member 123 to move upward together with the printed material 91, the first moving driving mechanism 14 drives the first loading and unloading mechanism 12 to move together with the absorbed printed material 91 to the carrier 9 carried by the conveying device 5, and the first lifting cylinder 121 drives the first material absorbing member 123 to move downward together with the printed material 91 and place the printed material 91 at an empty position of the carrier 9.

Preferably, both ends of the machine frame 11 are provided with a first limiting member 111 and a second limiting member 112, the first limiting member 111 is used for limiting the sliding stroke of the first sliding seat 16 on the machine frame 11, so as to prevent the first sliding seat 16 from exceeding the set sliding stroke, and the second limiting member 112 is used for limiting the sliding stroke of the second sliding seat 17 on the machine frame 11, so as to prevent the second sliding seat 17 from exceeding the set sliding stroke.

Preferably, the number of the first suction members 123 is two, and the first suction members 123 are suction nozzles; when two first material sucking parts 123 suck the same material 91, the stability of sucking the material 91 is improved; when two first material 91 of inhaling 123 absorption respectively for can go up unloading to two materials 91, further improve the efficiency of going up unloading.

Preferably, the first movement driving mechanism 14 includes a first driving wheel 141 rotatably disposed at one end of the frame 11, a first driven wheel 142 rotatably disposed at the other end of the frame 11, a first driving belt 143 wound around the first driving wheel 141 and the first driven wheel 142, a first clamp 144 disposed on the first sliding seat 16 and configured to clamp the first driving belt 143, and a first motor 145 disposed on the frame 11 and configured to drive the first driving wheel 141 to rotate. The first movement driving mechanism 14 has a simple structure and stable transmission, and improves the movement stability of the first slide 16.

Preferably, the first driving pulley 141 and the first driven pulley 142 are both synchronous pulleys, and the first transmission belt 143 is a synchronous belt.

In this embodiment, the second loading and unloading mechanism 13 includes a second lifting cylinder 131 installed on the second sliding base 17, a second lifting base 132 installed on a piston rod of the second lifting cylinder 131, and a second material sucking member 133 installed at the bottom of the second lifting base 132. The working principle of the second loading and unloading mechanism 13 is the same as that of the first loading and unloading mechanism 12, and is not described herein again.

Preferably, the number of the second suction members 133 is two, and the second suction members 133 are suction nozzles; when two second material suction members 133 suck the same material 91, the stability of sucking the material 91 is improved; when two second suction piece 133 absorb a material 91 respectively, it is feasible to go up unloading to two materials 91, has further improved the efficiency of unloading of going up.

In this embodiment, the second moving driving mechanism 15 includes a second driving wheel 151 rotatably disposed at one end of the frame 11, a second driven wheel 152 rotatably disposed at the other end of the frame 11, a second driving belt 153 wound around the second driving wheel 151 and the second driven wheel 152, a second clamp 154 mounted on the second sliding seat 17 and configured to clamp the second driving belt 153, and a second motor 155 mounted on the frame 11 and configured to drive the second driving wheel 151 to rotate. The second movement driving mechanism 15 has a simple structure and stable transmission, and improves the movement stability of the second sliding seat 17.

Preferably, the second driving wheel 151 and the second driven wheel 152 are both synchronous wheels, and the second transmission belt 153 is a synchronous belt.

In this embodiment, the guide sleeve 171 is installed on the second sliding seat 17, the guide rod 172 slidably engaged with the guide sleeve 171 is installed on the second lifting seat 132, and the guide sleeve 171 slidably engages with the guide rod 172, so as to improve the lifting stability of the second lifting seat 132, and further improve the lifting stability of the second material sucking member 133 for sucking the material 91.

In this embodiment, a third limiting member 173 is disposed between the second lifting seat 132 and the second sliding seat 17, and a fourth limiting member 174 is disposed at an end of the guide rod 172 far away from the second lifting seat 132. The third limiting member 173 and the fourth limiting member 174 limit the lifting stroke of the second lifting base 132, so as to prevent the second lifting base 132 from exceeding the set lifting stroke.

In this embodiment, the first sliding seat 16 is provided with a first sliding hole 162, the frame 11 is provided with a first sliding rail 113 penetrating through the first sliding hole 162, and the first sliding seat 16 moves along the first sliding rail 113, so that the moving stability of the first sliding seat 16 is further improved; the second slide carriage 17 is provided with a second slide hole 175, the rack 11 is provided with a second slide rail 114 penetrating through the second slide hole 175, and the first slide carriage 16 moves along the second slide rail 114, so that the moving stability of the second slide carriage 17 is further improved.

In this embodiment, the two ends of the rack 11 are respectively provided with a first inductor 115 and a second inductor 116, the first sliding seat 16 is provided with a first induction sheet 163 for triggering the first inductor 115, the second sliding seat 17 is provided with a second induction sheet 176 for abutting against the second inductor 116, the first inductor 115 is electrically connected with the first moving driving mechanism 14, the second inductor 116 is electrically connected with the second moving driving mechanism 15, and the first inductor 115 and the second inductor 116 are respectively located at the top and the bottom of the rack 11. Through the cooperation of first inductor 115 and first response piece 163, second inductor 116 cooperates with second response piece 176, and the unloading mechanism 12 returns to zero respectively to reset on the first unloading mechanism 12 of being convenient for and the unloading mechanism 13 of second. When the apparatus is just started or tested, a user needs to return to the zero point of the first feeding and discharging mechanism 12 and the second feeding and discharging mechanism 13, the user only needs to click the zero-return button of the control panel to make the first slide carriage 16 and the first feeding and discharging mechanism 12 return to the zero point, the second slide carriage 17 and the second feeding and discharging mechanism 13 return to the zero point, that is, the first sensing piece 163 on the first slide carriage 16 returns to the first sensor 115, and the second sensing piece 176 on the second slide carriage 17 returns to the second sensor 116.

Preferably, the first limiting member 111, the second limiting member 112, the third limiting member 173 and the fourth limiting member 174 are made of an elastic material, such as rubber, so that the first limiting member 111, the second limiting member 112, the third limiting member 173 and the fourth limiting member 174 have certain elasticity, and play a role of buffering, thereby avoiding the hard collision between the first sliding seat 16 and the first limiting member 111, the hard collision between the second sliding seat 17 and the second limiting member 112, the hard collision between the second lifting seat 132 and the second sliding seat 17, and the hard collision between the fourth limiting member 174 and the second lifting seat 132.

In this embodiment, the conveying device 5 is provided with a material placing space 51, the feeding device 6 includes a material placing mechanism 61 arranged in the material placing space 51 in a lifting manner, a material supporting mechanism arranged at a feeding end of the conveying device 5, and a positioning frame arranged at the feeding end of the conveying device 5, the material placing mechanism 61 is arranged in the positioning frame, the material placing mechanism 61 is used for bearing stacked carriers 9 and placing the carriers 9 at the bottom layer on the conveying device 5, the positioning frame positions the stacked carriers 9, and the material supporting mechanism is used for supporting the carriers 9 above the bottom layer.

During actual work, a plurality of carriers 9 bearing materials 91 are stacked on the discharging mechanism 61, and the stacked carriers 9 are positioned by the positioning frame so as to ensure the position accuracy of the carriers 9; when the carriers 9 are supplied to the conveying device 5, the material supporting mechanism supports the carriers 9 above the bottommost layer on the material placing mechanism 61, then the material placing mechanism 61 conveys the carriers 9 at the bottommost layer to the conveying device 5, and the conveying device 5 conveys the carriers 9 to the set position. When the carrier 9 needs to be supplied to the conveying device 5 again, the discharging mechanism 61 ascends and bears the stacked carrier 9 supported by the supporting mechanism, the supporting mechanism releases the stacked carrier 9, the discharging mechanism 61 descends and drives the stacked carrier 9 to integrally descend by the height of one carrier 9, then the supporting mechanism supports the carrier 9 above the bottommost layer on the discharging mechanism 61, the discharging mechanism 61 conveys the carrier 9 at the bottommost layer to the conveying device 5, the conveying device 5 conveys the carrier 9 to a set position, and the operation is repeated, so that the carrier 9 is automatically supplied to the conveying device 5. This feedway 6 is automatic and supply carrier 9 to conveyor 5 in an orderly manner, and degree of automation is high, has reduced the cost of labor, has improved the efficiency of supply carrier 9, fixes a position range upon range of carrier 9 through the locating rack, has not only guaranteed the position accuracy and the stability of the carrier 9 of waiting to carry, and the operator of still being convenient for adds carrier 9 in to the locating rack, and does not influence at the in-process that adds carrier 9 the utility model discloses a normal work.

In this embodiment, the discharging mechanism 61 includes a discharging base 611 located below the conveying device 5, a discharging plate 612 slidably disposed on the discharging base 611, and a lifting driver 613 disposed on the discharging base 611 and used for driving the discharging plate 612 to lift; specifically, the lifting driver 613 drives the material discharging plate 612 to move up and down by adopting a structure that a motor drives a screw rod. The discharging mechanism 61 of this structure enables the discharging plate 612 to be smoothly lifted.

In this embodiment, the material placing plate 612 is provided with a material clamping device, and the material clamping device is used for clamping the carrier 9 at the bottommost layer; specifically, the clamping device includes two clamping assemblies 64 symmetrically disposed at two ends of the material discharging plate 612, and the clamping assemblies 64 include a clamping cylinder 641 disposed at the bottom of the material discharging plate 612 and a clamping plate 642 disposed on a piston rod of the clamping cylinder 641.

When the material supporting mechanism supports the carriers 9 above the bottommost layer, the material clamping cylinder 641 on the material placing plate 612 drives the material clamping plate 642 to move close to the carriers 9 at the bottommost layer until the material clamping plate 642 butts against the carriers 9 at the bottommost layer, so that the material clamping plates 642 of the two material clamping assemblies 64 clamp the carriers 9 at the bottommost layer, and then the lifting driver 613 drives the material placing plate 612 together with the carriers 9 at the bottommost layer to move close to the conveying device 5 until the carriers 9 at the bottommost layer are conveyed to a set position through the conveying device 5. In the process that the material placing mechanism 61 drives the carrier 9 at the bottommost layer to move downwards, the material clamping device clamps the carrier 9, so that the carrier 9 is prevented from shifting in the process of moving downwards, and the position precision of the carrier 9 is ensured.

In this embodiment, the material supporting mechanism includes two material supporting components 62 symmetrically disposed on two sides of the conveying device 5, each material supporting component 62 includes a material supporting seat 621, a material supporting cylinder 622 installed on the material supporting seat 621, a moving plate 623 installed on a piston rod of the material supporting cylinder 622, and a material supporting member 624 installed on the moving plate 623, and the material supporting member 624 is slidably connected to the material supporting seat 621.

In actual operation, the material supporting cylinders 622 of the two material supporting assemblies 62 drive the moving plate 623 to move close to the carriers 9 in the positioning rack, and the moving plate 623 drives the material supporting member 624 to move close to the carriers 9 in the positioning rack until one end of the material supporting member 624 is inserted into the top of the carrier 9 at the bottommost layer, that is, the material supporting members 624 of the two material supporting assemblies 62 simultaneously support the carriers 9 above the bottommost layer, so that the carriers 9 at the bottommost layer are separated from the other carriers 9.

Preferably, the locating rack includes four corner brackets 63 that are rectangular distribution, and two corner brackets 63 that are located the same side of conveyor 5 are installed respectively in the both ends of holding in the palm material seat 621, form the location space with blowing space 51 intercommunication between four corner brackets 63, corner bracket 63 is the right angle form, and four corner brackets 63 are fixed a position four angles of carrier 9 respectively to guarantee the position accuracy of carrier 9.

In this embodiment, the positioning device 7 includes a positioning seat 71, a transverse positioning assembly slidably disposed on the positioning seat 71, a transverse movement driving mechanism 72 for driving the transverse positioning assembly to position the transverse position of the material 91, a longitudinal positioning assembly slidably disposed on the positioning seat 71, a longitudinal movement driving mechanism 73 for driving the longitudinal positioning assembly to position the longitudinal position of the material 91, and a lifting driving mechanism 74 for driving the positioning seat 71 to approach or leave the turntable 4; specifically, the transverse positioning assembly includes a first transverse slider 75 slidably connected to the positioning seat 71, a second transverse slider 751 slidably connected to the positioning seat 71, a first transverse positioning rod 752 mounted on the first transverse slider 75, and a second transverse positioning rod 753 mounted on the second transverse slider 751, and the transverse driving mechanism 72 is configured to drive the first transverse slider 75 and the second transverse slider 751 to move closer to or away from each other; the longitudinal positioning assembly comprises a first longitudinal sliding block 76 slidably connected to the positioning seat 71, a second longitudinal sliding block 761 slidably connected to the positioning seat 71, a first longitudinal positioning rod 762 mounted on the first longitudinal sliding block 76, and a second longitudinal positioning rod 763 mounted on the second longitudinal sliding block 761, the turntable 4 is provided with a transverse sliding groove 42 and a longitudinal sliding groove 43, the first transverse positioning rod 752 and the second transverse positioning rod 753 are both slidably arranged on the transverse sliding groove 42, and the first longitudinal positioning rod 762 and the second longitudinal positioning rod 763 are both slidably arranged on the longitudinal sliding groove 43; specifically, the traverse driving mechanism 72 and the traverse driving mechanism 73 may each be driven by a motor driving a timing belt, and the lift driving mechanism 74 may be an air cylinder.

After the dust removing device 2 removes dust from the material 91 on the turntable 4, the lifting driving mechanism 74 drives the positioning seat 71 to move close to the turntable 4 until the first transverse positioning rod 752 and the second transverse positioning rod 753 protrude out of the transverse sliding slot 42, the first longitudinal positioning rod 762 and the second longitudinal positioning rod 763 protrude out of the longitudinal sliding slot 43, then the transverse driving mechanism 72 drives the first transverse slider 75 and the second transverse slider 751 to move close to each other, so that the first transverse positioning rod 752 and the second transverse positioning rod 753 move close to each other, thereby determining the transverse position of the dust-removed material 91 on the turntable 4, and simultaneously the longitudinal driving mechanism 73 drives the first longitudinal slider 76 and the second longitudinal slider 761 to move close to each other, so that the first longitudinal positioning rod 762 and the second longitudinal positioning rod 763 move close to each other, thereby determining the longitudinal position of the dust-removed material 91 on the turntable 4, thereby realized fixing a position material 91, guaranteed the position accuracy of material 91.

In this embodiment, the turntable 4 is provided with a plurality of material suction grooves 44 for tightly sucking the positioned materials 91, the material suction grooves 44 are arranged on the turntable 4 in an annular array, the material suction grooves 44 are arranged in one-to-one correspondence with the positioning devices 7, and the material suction grooves 44 are located at the center positions of the transverse positioning assembly and the longitudinal positioning assembly. The material suction groove 44 is communicated with an external vacuum pumping device (such as an air pump) and sucks the material 91 on the turntable 4 through the material suction groove 44 to ensure the stability of the material 91.

Preferably, the turntable driving mechanism 41 can be driven by a motor driving divider.

Preferably, the structure of the receiving device 8 is the same as that of the feeding device 6, and the description thereof is omitted.

Preferably, the screen printing device 3 and the dust removing device 2 can be both devices in the prior art, and are not described in detail herein.

All the technical features in the embodiment can be freely combined according to actual needs.

The above-mentioned embodiment is the utility model discloses the implementation scheme of preferred, in addition, the utility model discloses can also realize by other modes, any obvious replacement is all within the protection scope of the utility model under the prerequisite that does not deviate from this technical scheme design.

Claims

1. A screen printing apparatus characterized in that: including unloader, dust collector, screen printing device, carousel, be used for driving carousel pivoted carousel actuating mechanism, be used for carrying the conveyor that the carrier removed, be used for supplying feedway and the annular array that bears the weight of the carrier of material to conveyor and set up in a plurality of positioner of carousel, dust collector is used for removing dust to the material on the carousel, positioner is used for fixing a position the material after removing dust, screen printing device is used for carrying out screen printing to the material after the location, unloader is used for carrying the material on the carrier that conveyor carried to the carousel or carries the material after printing on the carousel to the carrier that conveyor carried.

2. A screen printing apparatus according to claim 1, wherein: the feeding and discharging device comprises a rack, a first feeding and discharging mechanism used for feeding and discharging materials, a second feeding and discharging mechanism used for feeding and discharging materials, a first moving driving mechanism installed on the rack and used for driving the first feeding and discharging mechanism to move along the length direction of the rack, and a second moving driving mechanism installed on the rack and used for driving the second feeding and discharging mechanism to move along the length direction of the rack, wherein the second feeding and discharging mechanism is arranged below the rear part of the first feeding and discharging mechanism in a sliding mode, the first feeding and discharging mechanism is connected with the rack in a sliding mode through a first sliding seat, the second feeding and discharging mechanism is connected with the rack in a sliding mode through a second sliding seat, the first sliding seat is arranged above the second sliding seat in a sliding mode, and the first sliding seat is provided with a clearance groove used for the second sliding.

3. A screen printing apparatus according to claim 1, wherein: the screen printing equipment further comprises a material receiving device for receiving the carrier which is output by the conveying device and bears the printed materials, and the material receiving device and the feeding device are respectively arranged at the discharging end and the feeding end of the conveying device.

4. A screen printing apparatus according to claim 1, wherein: conveyor is provided with the blowing space, feedway sets up the drop feed mechanism in the blowing space including going up and down, sets up in the support material mechanism of conveyor's feed end and sets up in the locating rack of conveyor's feed end, drop feed mechanism is located the locating rack, drop feed mechanism is used for bearing range upon range of carrier and places the carrier of bottom on conveyor, the locating rack is fixed a position range upon range of carrier, it is used for holding up the carrier more than the bottom to hold in the palm the material mechanism.

5. A screen printing apparatus according to claim 4, wherein: the discharging mechanism comprises a discharging seat positioned below the conveying device, a discharging plate arranged on the discharging seat in a sliding manner, and a lifting driver arranged on the discharging seat and used for driving the discharging plate to lift; the material placing plate is provided with a material clamping device, and the material clamping device is used for clamping the carrier at the bottommost layer.

6. A screen printing apparatus according to claim 5, wherein: the material clamping device comprises two material clamping components symmetrically arranged at two ends of the material discharging plate, and each material clamping component comprises a material clamping cylinder arranged at the bottom of the material discharging plate and a material clamping plate arranged on a piston rod of the material clamping cylinder; the material supporting mechanism comprises two material supporting components symmetrically arranged on two sides of the conveying device, each material supporting component comprises a material supporting seat, a material supporting cylinder arranged on the material supporting seat, a movable plate arranged on a piston rod of the material supporting cylinder and a material supporting part arranged on the movable plate, and the material supporting part is connected with the material supporting seat in a sliding mode.

7. A screen printing apparatus according to claim 1, wherein: the positioning device comprises a positioning seat, a transverse positioning assembly, a transverse moving driving mechanism, a longitudinal positioning assembly, a longitudinal moving driving mechanism and a lifting driving mechanism, wherein the transverse positioning assembly is arranged on the positioning seat in a sliding mode, the transverse moving driving mechanism is used for driving the transverse positioning assembly to position the transverse position of the material, the longitudinal positioning assembly is arranged on the positioning seat in a sliding mode, the longitudinal moving driving mechanism is used for driving the longitudinal positioning assembly to position the longitudinal position of the material, and the lifting driving mechanism is used for driving the.

8. A screen printing apparatus according to claim 7, wherein: the transverse positioning assembly comprises a first transverse sliding block, a second transverse sliding block, a first transverse positioning rod and a second transverse positioning rod, the first transverse sliding block is connected with the positioning seat in a sliding mode, the first transverse positioning rod is arranged on the first transverse sliding block, the second transverse positioning rod is arranged on the second transverse sliding block, and the transverse movement driving mechanism is used for driving the first transverse sliding block and the second transverse sliding block to be close to or far away from each other; the longitudinal positioning assembly comprises a first longitudinal sliding block, a second longitudinal sliding block, a first longitudinal positioning rod and a second longitudinal positioning rod, the first longitudinal positioning rod is slidably connected to the positioning seat, the second longitudinal positioning rod is slidably connected to the positioning seat, the first longitudinal positioning rod is arranged on the first longitudinal sliding block, the second longitudinal positioning rod is arranged on the second longitudinal sliding block, the turntable is provided with a transverse sliding groove and a longitudinal sliding groove, the first transverse positioning rod and the second transverse positioning rod are slidably arranged in the transverse sliding groove, and the first longitudinal positioning rod and the second longitudinal positioning rod are slidably arranged in the longitudinal sliding.

9. A screen printing apparatus according to claim 7, wherein: the rotary table is provided with a plurality of material sucking grooves used for sucking tightly positioned materials, the material sucking grooves are arranged on the rotary table in an annular array mode, the material sucking grooves are arranged in one-to-one correspondence with the positioning devices, and the material sucking grooves are located in the center positions of the transverse positioning assembly and the longitudinal positioning assembly.

10. A screen printing apparatus according to claim 2, wherein: the first feeding and discharging mechanism comprises a first lifting cylinder arranged on the first sliding seat, a first lifting seat arranged on a piston rod of the first lifting cylinder and a first material absorbing piece arranged at the bottom of the first lifting seat.