CN215970599U

CN215970599U - Automatic silk-screen machine for two sides of container

Info

Publication number: CN215970599U
Application number: CN202121672332.6U
Authority: CN
Inventors: 林雄; 林和丰
Original assignee: Jiangmen Gude Automatic Welding Equipment Co ltd
Current assignee: Jiangmen Gude Automatic Welding Equipment Co ltd
Priority date: 2021-07-21
Filing date: 2021-07-21
Publication date: 2022-03-08
Anticipated expiration: 2031-07-21

Abstract

The utility model discloses an automatic screen printing machine for two sides of a container, which comprises a bottle feeding mechanism, a screen printing mechanism and a bottle discharging mechanism which are sequentially arranged on a rack, wherein the screen printing mechanism comprises a screen printing screen plate, a screen printing scraper mechanism arranged above the screen printing screen plate, and a steel bottle conveying mechanism, the steel bottle conveying mechanism comprises a rotary clamping claw and an opposite clamping driving mechanism, the rotary clamping claw and the opposite clamping driving mechanism can move oppositely and clamp a bottom ring and a protective cover of a steel bottle, the steel bottle conveying mechanism is arranged on a first sliding rail, and the steel bottle conveying mechanism is driven by a first translation mechanism to move horizontally between the bottle feeding mechanism, the lower part of the screen printing screen plate and the bottle discharging mechanism. The automatic screen printing machine for the two sides of the container can enlarge the printing area of the bottle bodies of the containers such as liquefied gas steel bottles and the like.

Description

Automatic silk-screen machine for two sides of container

Technical Field

The utility model relates to the technical field of liquefied gas steel cylinder processing equipment, in particular to an automatic screen printing machine for two surfaces of a container.

Background

On the production line of the existing container, especially the steel cylinder loaded with liquefied gas, identification patterns such as property information and steel cylinder specification need to be printed on the front and back faces of the steel cylinder body in a silk-screen mode when the steel cylinder leaves a factory, most of the existing container silk-screen machines are erected on a lifting support with a plurality of rollers in a rolling mode through the steel cylinder body of the steel cylinder, a silk-screen device drives a printing screen plate to drag on the surface of the steel cylinder through a translation mechanism to enable the steel cylinder to rotate on the rollers of the lifting support, and the printing screen plate drags the steel cylinder to rotate and simultaneously completes silk-screen printing on the surface of the steel cylinder, but the rollers of the container silk-screen machines limit the printing area on the surface of the steel cylinder body, and the whole-width printing of the body of the container such as the liquefied gas steel cylinder cannot be carried out.

SUMMERY OF THE UTILITY MODEL

Aiming at the defects of the prior art, the utility model provides the automatic screen printing machine for the two surfaces of the container, which can enlarge the printing area of the surfaces of the bottle bodies of the containers such as liquefied gas steel bottles.

The present invention thus achieves the above objects:

automatic silk screen printing machine in container two sides is including locating bottle mechanism, silk screen printing mechanism and the bottle mechanism down in the frame in proper order, silk screen printing mechanism includes the silk screen printing otter board and sets up in the silk screen printing scraper mechanism of silk screen printing otter board top, still includes steel bottle conveying mechanism, steel bottle conveying mechanism is including the rotation gripper jaw and the subtend centre gripping actuating mechanism of opposite direction motion and centre gripping steel bottle end circle and guard shield, and steel bottle conveying mechanism installs on first slide rail, and the below of bottle mechanism, silk screen printing otter board and down between the bottle mechanism in the translational motion under the drive of first translation mechanism.

The rotating clamping claws comprise a pair of clamping supports which are arranged on a steel cylinder sliding seat in an opposite sliding mode through second sliding rails, and the tops of the two clamping supports respectively rotate relatively and are provided with coaxial clamping turntables; the clamping driving mechanism comprises two translation cylinders arranged on the steel cylinder sliding seat, and a piston rod of each translation cylinder is connected with the clamping support and drives the clamping support to slide oppositely along the second sliding rail.

The quantity of silk screen net board is two along steel bottle conveying mechanism translation direction distribution, and two silk screen net boards all go up and down to install in the top of centre gripping carousel under the silk screen printing support through a elevating system, the screen printing scraper mechanism is including setting up first scraper mechanism and the second scraper mechanism on two silk screen net boards respectively.

The first scraper mechanism and the second scraper mechanism comprise a second translation mechanism arranged on the screen printing support, a second lifting mechanism arranged on the second translation mechanism and a scraper arranged at the bottom of the second lifting mechanism, and the bottom of the scraper is in scraping and abutting joint with the top surface of the screen printing screen plate.

And a braking device for braking the clamping turntable is further arranged on one side of the top of the clamping support, and a brake block is arranged at the output end of the braking device in a telescopic manner towards the clamping turntable.

The steel bottle sliding seat comprises a steel bottle sliding seat body, a first translation mechanism and a second translation mechanism, wherein the bottom of the steel bottle sliding seat body is provided with a sliding block matched with a first sliding rail, the first translation mechanism comprises a first motor arranged at the bottom of the steel bottle sliding seat body, a driving gear connected with a first motor output shaft and a rack meshed with the driving gear and connected with one side of the first sliding rail, and the first motor is meshed with the rack through the driving gear to drive the steel bottle sliding seat body to slide on the first sliding rail.

The machine frame is further provided with a positioning mechanism between the bottle feeding mechanism and the screen printing mechanism, the positioning mechanism comprises a steel bottle lifting mechanism and a steel bottle rolling mechanism, the steel bottle lifting mechanism comprises a third lifting mechanism arranged on the machine frame, a placing seat used for placing a steel bottle is arranged on the third lifting mechanism in a lifting mode, and a plurality of driven rollers in rolling and abutting connection with the steel bottle are distributed on the top of the placing seat; the steel bottle rolling mechanism is including locating the support of locating steel bottle lifting mechanism top, it has the second motor to look for a support, the output shaft of second motor is connected with initiative gyro wheel, the one side of looking for a support still is equipped with the sensor that corresponds steel bottle guard shield breach, sensor and second motor electric connection.

The bottle feeding mechanism comprises a bottle feeding turnover mechanism and a bottle pushing mechanism, the bottle feeding turnover mechanism comprises an L-shaped bottle feeding turnover support and a bottle feeding turnover cylinder, the bottle feeding turnover cylinder is arranged on the rack, the L-shaped bottle feeding turnover support consists of a bottle feeding supporting platform and a bottle feeding turnover back frame, the L-shaped bottle feeding turnover support is hinged to the rack on one side of the steel bottle lifting mechanism through a bottle feeding turnover arm on the back of the bottle feeding turnover back frame, a piston rod of the bottle feeding turnover cylinder is connected with the tail end of the bottle feeding turnover arm and drives the bottle feeding turnover arm to rotate, an upper bottle propping cylinder is arranged at the front part of the bottle feeding supporting platform, and the piston rod of the upper bottle propping cylinder is connected with a clamping block to the turnover back frame in a driving mode; the bottle pushing mechanism comprises a bottle pushing transverse moving cylinder arranged on one side of the turnover mechanism through a bottle pushing supporting rod, and a piston rod of the bottle pushing transverse moving cylinder is driven to stretch and retract above the placing seat.

The automatic bottle pushing mechanism is characterized in that a bottle blocking mechanism is further arranged, the bottle blocking mechanism comprises a bottle blocking plate seat which is arranged on one side of the silk-screen printing mechanism and located on the aligning support, a bottle blocking cylinder ascends and descends on the bottle blocking plate seat, a bottle blocking block is arranged on a piston rod which ascends and descends and is located at the bottom of the bottle blocking cylinder, the bottle blocking cylinder descends to the position, corresponding to the bottle pushing transverse moving cylinder, of the other side of the steel bottle lifting mechanism in a driving mode, two guide rods are further arranged on the bottle blocking plate seat, and the bottle blocking block is connected to the bottoms of the guide rods.

The lower bottle mechanism comprises a lower bottle bracket and a lower bottle turnover mechanism, the lower bottle bracket is arranged on the rack, and two sides of the top of the lower bottle bracket are provided with a lower bottle bracket rod which corresponds to the steel bottle shield and the bottom ring and enables the steel bottle to roll to the lower bottle turnover mechanism; the lower bottle overturning mechanism comprises an L-shaped lower bottle overturning support and a lower bottle overturning air cylinder, the lower bottle overturning air cylinder is arranged on the rack, the L-shaped lower bottle overturning support is composed of a lower bottle bearing table and a lower bottle overturning back frame, a lower bottle overturning arm of the L-shaped lower bottle overturning support is hinged to the rack on one side of the lower bottle bearing table through the lower bottle overturning back frame, the piston rod of the lower bottle overturning air cylinder is connected with the tail end of the lower bottle overturning arm and drives the lower bottle overturning arm to rotate, the top of the lower bottle overturning back frame is provided with a lower bottle top leaning air cylinder, and the piston rod of the lower bottle top leaning air cylinder drives the lower bottle bearing table to be connected with a pressing block.

The utility model has the beneficial effects that:

this equipment is sent into through last bottle mechanism of this equipment to the steel bottle on the assembly line, bottom circle and guard shield that clamping jaw clamp opposite direction motion and rotation ground centre gripping steel bottle are rotated in steel bottle conveying mechanism's centre gripping actuating mechanism drive, press from both sides tightly the back, steel bottle conveying mechanism drives the steel bottle and constructs the translation to lower bottle on first slide rail, when silk screen printing mechanism below, the body of steel bottle rolls the bottom surface of butt printing screen board and along 360 rolls in the bottom surface of printing screen board along steel bottle conveying mechanism's translation, accomplish the whole width of cloth of body printing identification pattern, the steel bottle after the printing sends out once more to the production flow line through lower bottle mechanism. This equipment can accomplish the step of going up bottle, silk screen printing and bottle down automatically, and degree of automation is high, and traditional container silk screen printing machine who establishes the body on the gyro wheel that rolls can effectively enlarge the printing area of container bodies such as steel bottle relatively.

Drawings

The utility model is further described below with reference to the accompanying drawings:

FIG. 1 is a perspective view of an angle of the present invention;

fig. 2 is a perspective view of another angle of the present invention.

In the figure, 1, a frame, 2, a silk screen plate, 3, a silk screen support, 4, a first slide rail, 5, a steel cylinder slide seat, 6, a second slide rail, 7, a clamping support, 8, a clamping turntable, 9, a translation cylinder, 10, a first lifting mechanism, 101, a lifting support, 102, a lifting cylinder, 11, a pressing block, 12, a first scraper mechanism, 13, a second scraper mechanism, 14, a second translation mechanism, 15, a second lifting mechanism, 16, a scraper, 17, a braking device, 18, a first motor, 19, a rack, 20, a third lifting mechanism, 21, a placing seat, 22, a driven roller, 23, a positioning support, 24, a second motor, 25, a driving roller, 26, a sensor, 27, an upper bottle support platform, 28, an upper bottle overturning back frame, 29, an upper bottle overturning arm, 30, an upper bottle overturning cylinder, 31, an upper bottle propping cylinder, 32, a clamping block, 33, a clamping block, a first scraper, a second scraper, a clamping turntable, a clamping support, a clamping turntable, a second lifting mechanism, a second scraper, a third lifting mechanism, a second scraper, a, A bottle pushing support rod 34, a bottle pushing transverse moving cylinder 35, a bottle blocking plate seat 36, a lifting bottle blocking cylinder 37, a bottle blocking block 38, a guide rod 39, a bottle discharging bracket 40, a bottle discharging support rod 41, a bottle discharging overturning cylinder 42, a bottle discharging bearing platform 43, a bottle discharging overturning back frame 44, a bottle discharging overturning arm 45 and a bottle discharging propping cylinder.

Detailed Description

The following further describes embodiments of the present invention with reference to the drawings. It should be noted that the description of the embodiments is provided to help understanding of the present invention, but the present invention is not limited thereto. In addition, the technical features involved in the embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

In the description of this patent, it is to be understood that the terms "center," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are used in the orientations and positional relationships indicated in the drawings for the convenience of describing the patent and for the simplicity of description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are not to be considered limiting of the patent.

In the description of this patent, it is noted that unless otherwise specifically stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly and can include, for example, fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed. The specific meaning of the above terms in this patent can be understood by those of ordinary skill in the art as appropriate

As shown in fig. 1 and 2, automatic silk screen printing machine in container two sides, including locating the last bottle mechanism in frame 1 in proper order, silk screen printing mechanism and bottle mechanism down, silk screen printing mechanism includes silk screen printing otter board 2 and sets up in the screen printing scraper 16 mechanism of silk screen printing otter board 2 tops, still include steel bottle conveying mechanism, steel bottle conveying mechanism is including the rotation gripper jaw and the subtend centre gripping actuating mechanism of subtend movement and centre gripping steel bottle foundation circle and guard shield, steel bottle conveying mechanism installs on first slide rail 4, the translational motion is gone up bottle mechanism under the drive of first translational mechanism, the below of silk screen printing otter board 2 reaches between the bottle mechanism down. This equipment is sent into through last bottle mechanism of this equipment to the steel bottle on the assembly line, steel bottle conveying mechanism's centre gripping actuating mechanism drive rotates gripper jaw opposite direction movement and rotates foundation ring and the guard shield of centre gripping steel bottle, press from both sides tightly the back, steel bottle conveying mechanism drives the steel bottle and constructs the translation to lower bottle on first slide rail 4, when silk screen printing mechanism below, the body of steel bottle rolls the bottom surface of butt printing screen board and along 360 rolls in the bottom surface of printing screen board along steel bottle conveying mechanism's translation, accomplish the whole width of cloth of body printing identification pattern, the steel bottle after the printing sends out once more to the production flow on line through lower bottle mechanism. This equipment can accomplish the step of going up bottle, silk screen printing and bottle down automatically, and degree of automation is high, and traditional steel bottle silk screen printing machine who establishes the body on the gyro wheel that rolls relatively can effectively enlarge the printing area of steel bottle bodies such as steel bottle.

The rotary clamping claws can be generally hinged to each other, but considering that the width from a shield of a steel cylinder to a bottom ring of the steel cylinder to be transversely printed is wide, the size of the clamping claws connected in a hinged manner is large, each rotary clamping claw comprises a pair of clamping supports 7 which are arranged on a steel cylinder sliding seat 5 in an opposite sliding manner through second sliding rails 6, the tops of the two clamping supports 7 are respectively and relatively rotatably provided with clamping turntables 8 with the same axle center, and during clamping, the axle center of the steel cylinder and the clamping turntables 8 on the two clamping supports 7 are coaxial, so that the steel cylinder can be ensured to smoothly rotate without deflection, and the printing accuracy of the body of the steel cylinder is improved; the clamping driving mechanism comprises two translation cylinders 9 arranged on the steel cylinder sliding seat 5, piston rods of the translation cylinders 9 are connected with the clamping supports 7 and drive the clamping supports 7 to slide along the second sliding rails 6 in opposite directions, the translation cylinders 9 can rapidly drive the two clamping supports 7 to slide on the second sliding rails 6 in opposite directions, and the operation efficiency of the equipment is improved.

In order to flexibly control the different matching of the identification patterns printed on the front surface and the back surface of the steel cylinder body, the number of the silk screen plates 2 is two blocks distributed along the translation direction of the steel cylinder conveying mechanism, the two silk screen plates 2 are equal in length and width, the two silk screen plates 2 are arranged above the clamping rotary table 8 below the silk screen support 3 in a lifting way through a lifting mechanism, the first lifting mechanism 10 is a plurality of lifting cylinders 102 connected to the top of the silk screen plates 2 through lifting supports 101, when the steel cylinder conveying mechanism drives the steel cylinder to translate on the first slide rail 4 and pass below the silk screen mechanism, the lifting cylinders 102 on the two silk-screen plates 2 respectively drive the two silk-screen plates 2 to descend to abut against the front and the back of the steel cylinder body and respectively perform silk-screen printing, and because the screen printing plate 2 is divided into two, in order to ensure the feed supplement effect of the scraper 16 mechanism, the screen printing scraper 16 mechanism comprises a first scraper mechanism 12 and a second scraper mechanism 13 which are respectively arranged on the two screen printing plates 2.

In order to enable the first scraper mechanism 12 and the second scraper mechanism 13 to uniformly scrape and fill the printing oil on the two screen printing plates 2, the first scraper mechanism 12 and the second scraper mechanism 13 both comprise a second translation mechanism 14 arranged on the screen printing support 3, a second lifting mechanism 15 arranged on the second translation mechanism 14 and a scraper 16 arranged at the bottom of the second lifting mechanism 15, the bottom of the scraper 16 is scraped and abutted against the top surface of the screen printing plate 2, so that when the first scraper mechanism 12 and the second scraper mechanism 13 work, the second lifting mechanism 15 drives the scraper 16 at the bottom to descend and tightly abut against the top surface of the screen printing plate 2, and the second translation mechanism 14 drives the scraper 16 to scrape and move on the top surface of the screen printing plate 2 by driving the second lifting mechanism 15.

In order to avoid the steel bottle idle running to appear on centre gripping support 7 after the rolling butt of end and preceding silk screen net board 2, thereby lead to the printing position dislocation of body another side to influence silk screen quality, one side at centre gripping support 7 top still is equipped with the stop device 17 that is used for stopping centre gripping carousel 8, its output is equipped with the brake block to centre gripping carousel 8 telescopic, after the steel bottle is ending with the rolling butt of preceding silk screen net board 2, the brake block of sarting device stretches out and butt friction centre gripping carousel 8, make centre gripping carousel 8 and the steel bottle of being rotated centre gripping by centre gripping carousel 8 avoid appearing idle running phenomenon, and when steel bottle butt back silk screen net board 2, the brake block retraction of stop device 17, centre gripping carousel 8 and steel bottle can continue to rotate.

In order to drive the steel cylinder conveying mechanism to stably and powerfully slide on the first sliding rail 4, a sliding block matched with the first sliding rail 4 is arranged at the bottom of the steel cylinder sliding seat 5, the first translation mechanism comprises a first motor 18 arranged at the bottom of the steel cylinder sliding seat 5, a driving gear connected with an output shaft of the first motor 18 and a rack 19 meshed and connected with the driving gear at one side of the first sliding rail 4, and the first motor 18 is meshed and connected with the rack 19 through the driving gear to drive the steel cylinder sliding seat 5 to slide on the first sliding rail 4.

Because the steel cylinders on the assembly line are different in rotating direction when being fed into the equipment through the cylinder feeding mechanism, the steel cylinders with different directions directly enter the silk-screen printing mechanism to carry out the silk-screen printing process, so that the positions of printed identification patterns cannot be oriented uniformly, in order to ensure that the identification patterns of the cylinder body of each steel cylinder are put down uniformly during printing, a positioning mechanism is further arranged between the cylinder feeding mechanism and the silk-screen printing mechanism and comprises a steel cylinder lifting mechanism and a steel cylinder rolling mechanism, the steel cylinder lifting mechanism comprises a third lifting mechanism 20 arranged on the rack 1, a placing seat 21 for placing the steel cylinder is arranged on the third lifting mechanism 20 in a lifting manner, and a plurality of driven rollers 22 which are in rolling butt joint with the steel cylinders are distributed on the top of the placing seat 21; steel bottle roll mechanism is including locating the support 23 of locating above steel bottle lifting mechanism, it has second motor 24 to look for a support 23, the output shaft of second motor 24 is connected with initiative gyro wheel 25, the one side of looking for a support 23 still is equipped with the sensor 26 that corresponds the breach of steel bottle guard shield, sensor 26 and 24 electric connection of second motor, thereby it sends the steel bottle with the steel bottle to go up bottle mechanism and places on seat 21 and roll and supposes on a plurality of driven gyro wheels 22, third elevating system 20 drive is placed seat 21 and is risen until the steel bottle roll butt on it to initiative gyro wheel 25, second motor 24 drive initiative gyro wheel 25 rotates this moment, cooperation driven gyro wheel 22 makes the steel bottle rotate, detect the breach of steel bottle guard shield until sensor 26, second motor 24 stall, make the orientation of every steel bottle unified, be convenient for follow-up printing.

The general steel bottle can adopt vertical conveying for facilitating conveying on an assembly line, and for overturning the steel bottle vertically conveyed to a bottle feeding mechanism by 90 degrees and pushing the steel bottle onto a placing seat 21 of a steel bottle lifting mechanism, the bottle feeding mechanism comprises a bottle feeding overturning mechanism and a bottle pushing mechanism, the bottle feeding overturning mechanism comprises an L-shaped bottle feeding overturning bracket and a bottle feeding overturning cylinder 30, the bottle feeding overturning cylinder 30 is arranged on a rack 1, the L-shaped bottle feeding overturning bracket comprises a bottle feeding supporting platform 27 and a bottle feeding overturning back frame 28, the L-shaped bottle feeding overturning bracket is hinged on the rack 1 at one side of the steel bottle lifting mechanism through a bottle feeding overturning arm 29 at the back of the bottle feeding overturning back frame 28, a piston rod of the bottle feeding overturning cylinder 30 is connected with the tail end of the bottle feeding overturning arm 29 and drives the bottle feeding overturning arm 29 to rotate, a bottle feeding abutting cylinder 31 is arranged at the front part of the bottle feeding supporting platform 27, and a piston rod of the bottle abutting cylinder 31 is connected with a clamping block 32 toward the overturning back frame in a driving manner; the bottle pushing mechanism comprises a bottle pushing transverse moving cylinder 34 arranged on one side of the turnover mechanism through a bottle pushing support rod 34, a piston rod of the bottle pushing transverse moving cylinder 34 is driven to stretch and retract towards the upper part of the placing seat 21, in operation, a piston rod of the bottle feeding turnover cylinder 30 retracts, an upper bottle supporting platform 27 of the L-shaped bottle feeding turnover support is parallel to a conveying belt of the assembly line, the conveying belt conveys steel bottles to the upper bottle supporting platform 27, the front part of the supporting platform leans against the cylinder to stretch out the piston rod, a clamping block 32 connected with the end part of the piston rod pushes the steel bottles to the upper bottle turnover back frame 28 to be clamped, the piston rod of the bottle feeding turnover cylinder 30 stretches out and drives the L-shaped bottle feeding turnover support to turn over 90 degrees around a hinged part with the rack 1 through a bottle feeding turnover arm 29, the steel bottles on the L-shaped turnover support turn over 90 degrees synchronously, then the upper bottle leans against the cylinder 31 to drive the clamping block 32 to retract, and the piston rod of the bottle pushing transverse moving cylinder 33 stretches out towards the upper part of the placing seat 21 to stretch out to place the pushing seat 21 which is arranged on the L-shaped upper bottle turnover support And (4) finishing the bottle feeding process on the driven roller 22.

In order to avoid the fault of the equipment caused by the fact that the steel cylinders fall into the equipment from the other side of the steel cylinder lifting mechanism when being pushed onto the placing seat 21, the device is further provided with a bottle blocking mechanism, the bottle blocking mechanism comprises a bottle blocking plate seat 35 arranged on one side of the screen printing mechanism of the positioning support 23, a bottle blocking cylinder 36 ascends and descends on the bottle blocking plate seat 35, a bottle blocking block 37 is arranged on a piston rod at the bottom of the bottle blocking cylinder 36, the bottle blocking cylinder 36 drives the bottle blocking block 37 to descend to the position, corresponding to the bottle pushing transverse moving cylinder 34, on the other side of the steel cylinder lifting mechanism, of the lifting bottle blocking mechanism, two guide rods 38 are further arranged on the bottle blocking plate seat 35, the bottom of each guide rod 38 is connected with the bottle blocking block 37, the bottle blocking cylinder 36 of the bottle blocking mechanism and the bottle pushing transverse moving cylinder 34 of the bottle pushing mechanism synchronously extend out in working, the guide rods 38 of the bottle blocking block 37 at the bottom of the bottle lifting bottle blocking cylinder 36 descend and stop positioning the steel cylinders and are pushed onto the placing seat 21 by the bottle pushing transverse moving cylinder 34, and the fault of the equipment is avoided.

In order to facilitate the conveying of the horizontal steel cylinders on the conveying belt of the assembly line after the screen printing process, the lower cylinder mechanism comprises a lower cylinder bracket 39 and a lower cylinder turnover mechanism, the lower cylinder bracket 39 is arranged on the frame 1, two sides of the top of the lower cylinder bracket 39 are provided with a lower cylinder support rod 40 which corresponds to a steel cylinder shield and a bottom ring and enables the steel cylinder to roll to the lower cylinder support rod of the lower cylinder turnover mechanism, so that when a rotary clamping claw of the steel cylinder conveying mechanism loosens the clamped steel cylinder, the steel cylinder rolls and abuts against the two lower cylinder support rods 40 through the shield and the bottom ring respectively, and the abrasion of identification patterns printed on the body of the steel cylinder when the steel cylinder rolls to the lower cylinder turnover mechanism is avoided; the lower bottle turning mechanism comprises an L-shaped lower bottle turning support and a lower bottle turning cylinder 41, the lower bottle turning cylinder 41 is arranged on the frame 1, the L-shaped lower bottle turning support consists of a lower bottle supporting platform 42 and a lower bottle turning back frame 43, the L-shaped lower bottle turning support is hinged on the frame 1 at one side of the lower bottle bracket 39 through a lower bottle turning arm 44 at the back of the lower bottle turning back frame 43, a piston rod of the lower bottle turning cylinder 41 is connected with the tail end of the lower bottle turning arm 44 and drives the lower bottle turning arm 44 to rotate, a lower bottle propping cylinder 45 is arranged at the top of the lower bottle turning back frame 43, a piston rod of the lower bottle propping cylinder 45 drives the lower bottle supporting platform 42 to be connected with a pressing block 11, during operation, the piston rod of the lower bottle turning cylinder 41 extends outwards, the lower bottle turning back frame 43 of the L-shaped lower bottle turning support is parallel to the lower bottle supporting rod 40 through the lower bottle turning arm 44, a steel bottle rolls from the lower bottle supporting rod 40 and is placed on the lower bottle turning back frame 43 through a protective cover ring, then the piston rod of the lower bottle top leaning on the air cylinder 45 is in press fit with the lower bottle supporting platform 42 through the pressing block 11 to clamp the steel bottle, the lower bottle overturning air cylinder 41 retracts the piston rod and drives the L new lower bottle overturning bracket to turn outwards for 90 degrees, so that the steel bottle is overturned, vertically placed and falls onto a production line outside the equipment, and the transportation of the steel bottle after silk printing is facilitated.

Claims

1. Automatic silk screen printing machine of container two sides, its characterized in that: including locating last bottle mechanism, silk screen printing mechanism and lower bottle mechanism on frame (1) in proper order, silk screen printing mechanism includes silk screen printing otter board (2) and sets up in seal net scraper (16) mechanism above silk screen printing otter board (2), still includes steel bottle conveying mechanism, steel bottle conveying mechanism includes but rotation gripper jaw and the subtend centre gripping actuating mechanism of opposite direction motion and centre gripping steel bottle foundation ring and guard shield, and steel bottle conveying mechanism installs on first slide rail (4), and the below of bottle mechanism, silk screen printing otter board (2) and between the bottle mechanism down in the translational motion under the drive of first translational mechanism.

2. The automatic screen printing machine for two sides of a container according to claim 1, characterized in that: the rotary clamping claw comprises a pair of clamping supports (7) which are arranged on the steel cylinder sliding seat (5) in an opposite sliding mode through a second sliding rail (6), and the tops of the two clamping supports (7) are respectively and relatively rotatably provided with a coaxial clamping turntable (8); the clamping driving mechanism comprises two translation cylinders (9) which are arranged on the steel cylinder sliding seat (5), and piston rods of the translation cylinders (9) are connected with the clamping support (7) and drive the clamping support (7) to slide oppositely along the second sliding rail (6).

3. The automatic screen printing machine for two sides of a container according to claim 2, characterized in that: the quantity of silk screen net board (2) is two along steel bottle conveying mechanism translation direction distribution, and two silk screen net boards (2) are all installed in the top of centre gripping carousel (8) under silk screen support (3) through first elevating system (10) lift, screen printing scraper (16) mechanism is including setting up first scraper mechanism (12) and second scraper mechanism (13) on two silk screen net boards (2) respectively.

4. The automatic screen printing machine for two sides of a container according to claim 3, characterized in that: the first scraper mechanism (12) and the second scraper mechanism (13) comprise a second translation mechanism (14) arranged on the screen printing support (3), a second lifting mechanism (15) arranged on the second translation mechanism (14) and a scraper (16) arranged at the bottom of the second lifting mechanism (15), and the bottom of the scraper (16) is scraped to abut against the top surface of the screen printing screen plate (2).

5. The automatic screen printing machine for two sides of a container according to claim 3, characterized in that: and a braking device (17) for braking the clamping turntable (8) is further arranged on one side of the top of the clamping support (7), and a brake block is arranged at the output end of the braking device in a telescopic manner towards the clamping turntable (8).

6. The automatic screen printing machine for two sides of a container according to claim 2, characterized in that: the bottom of steel bottle sliding seat (5) is equipped with the sliding block of the first slide rail of cooperation (4), first translation mechanism is including first motor (18), the drive gear of first motor (18) output shaft connection and the rack (19) that first slide rail (4) one side and drive gear meshing are connected of locating steel bottle sliding seat (5) bottom, first motor (18) are connected rack (19) through drive gear meshing and are driven steel bottle sliding seat (5) and slide on first slide rail (4).

7. The automatic screen printing machine for two sides of a container according to claim 1, characterized in that: the machine frame is further provided with a positioning mechanism between the bottle feeding mechanism and the screen printing mechanism, the positioning mechanism comprises a steel bottle lifting mechanism and a steel bottle rolling mechanism, the steel bottle lifting mechanism comprises a third lifting mechanism (20) arranged on the machine frame (1), the third lifting mechanism (20) is provided with a placing seat (21) for placing a steel bottle in a lifting mode, and the top of the placing seat (21) is provided with a plurality of driven rollers (22) in rolling and abutting connection with the steel bottle; the steel bottle rolling mechanism is including looking for a support (23) of locating steel bottle lifting mechanism top, look for a support (23) and have second motor (24), the output shaft coupling of second motor (24) has initiative gyro wheel (25), one side of looking for a support (23) still is equipped with sensor (26) that correspond the steel bottle guard shield breach, sensor (26) and second motor (24) electric connection.

8. The automatic screen printing machine for two sides of a container according to claim 7, wherein: the bottle feeding mechanism comprises a bottle feeding turnover mechanism and a bottle pushing mechanism, the bottle feeding turnover mechanism comprises an L-shaped bottle feeding turnover support and a bottle feeding turnover cylinder (30), the bottle feeding turnover cylinder (30) is arranged on the rack (1), the L-shaped bottle feeding turnover support consists of a bottle feeding supporting platform (27) and a bottle feeding turnover back frame (28), the L-shaped bottle feeding turnover support is hinged to the rack (1) on one side of the steel bottle lifting mechanism through a bottle feeding turnover arm (29) on the back of the bottle feeding turnover back frame (28), a piston rod of the bottle feeding turnover cylinder (30) is connected with the tail end of the bottle feeding turnover arm (29) and drives the bottle feeding turnover arm (29) to rotate, a bottle feeding abutting cylinder (31) is arranged on the front portion of the bottle feeding supporting platform (27), and a piston rod of the bottle feeding abutting cylinder (31) is connected with a clamping block (32) to the turnover back frame in a driving manner; the bottle pushing mechanism comprises a bottle pushing transverse moving cylinder (34) arranged on one side of the turnover mechanism through a bottle pushing support rod (33), and a piston rod of the bottle pushing transverse moving cylinder (34) is driven to stretch and retract above the placing seat (21).

9. The automatic screen printing machine for two sides of a container according to claim 8, wherein: still be equipped with and keep off a bottle mechanism, keep off a bottle mechanism including locating and look for a support (23) in bottle board seat (35) that keeps off of silk screen printing mechanism one side, keep off bottle board seat (35) and go up and down to keep off bottle cylinder (36), the piston rod that keeps off bottle cylinder (36) bottom in the lift is equipped with and keeps off bottle piece (37), go up and down to keep off bottle cylinder (36) drive and keep off bottle piece (37) and descend to the position that steel bottle lifting mechanism opposite side corresponds and push away a bottle sideslip cylinder (34), keep off and still be equipped with two guide arms (38) on bottle board seat (35), bottle piece (37) are kept off in the connection of the bottom of guide arm (38).

10. The automatic screen printing machine for two sides of a container according to claim 1, characterized in that: the bottle discharging mechanism comprises a bottle discharging bracket (39) and a bottle discharging turnover mechanism, the bottle discharging bracket (39) is arranged on the rack (1), and two sides of the top of the bottle discharging bracket (39) are provided with a bottle discharging support rod (40) which corresponds to the steel bottle shield and the bottom ring and enables the steel bottle to roll to the bottle discharging turnover mechanism; the lower bottle overturning mechanism comprises an L-shaped lower bottle overturning support and a lower bottle overturning cylinder (41), the lower bottle overturning cylinder (41) is arranged on the rack (1), the L-shaped lower bottle overturning support is composed of a lower bottle bearing table (42) and a lower bottle overturning back frame (43), the L-shaped lower bottle overturning support is hinged to the rack (1) on one side of the lower bottle bracket (39) through a lower bottle overturning arm (44) on the back of the lower bottle overturning back frame (43), a piston rod of the lower bottle overturning cylinder (41) is connected with the tail end of the lower bottle overturning arm (44) and drives the lower bottle overturning arm (44) to rotate, the top of the lower bottle overturning back frame (43) is provided with a lower bottle jacking cylinder (45), and the piston rod of the lower bottle jacking cylinder (45) drives the lower bottle bearing table (42) to be connected with a pressing block (11).