CN211591719U

CN211591719U - A over-and-under type silk screen printing machine for circular cone shake flask

Info

Publication number: CN211591719U
Application number: CN201922340488.3U
Authority: CN
Inventors: 李志传
Original assignee: Chongzhou Shubo Scientific Instrument Co ltd
Current assignee: Chongzhou Shubo Scientific Instrument Co ltd
Priority date: 2019-12-23
Filing date: 2019-12-23
Publication date: 2020-09-29
Anticipated expiration: 2029-12-23

Abstract

The utility model relates to an over-and-under type silk screen printing machine for circular cone shakes bottle, it includes that organism and level rotate the silk screen printing plate that sets up on the organism, are equipped with on the organism and scrape the seal device, are provided with on the organism and are used for ordering about the reciprocal pivoted actuating mechanism of silk screen printing plate, and the vertical slip in silk screen printing plate below is provided with the elevating platform, is provided with the driving source that is used for ordering about the elevating platform lift on the organism, is provided with on the elevating platform and places the seat, and the top of placing the seat is rotated and is provided with two sets. When carrying out printing work, shake the bottle with the toper and place on placing the seat, rise the elevating platform after that, make shake bottle top edge butt on the diapire of silk screen printing plate, order about the silk screen printing plate again and stretch out organism one end and be horizontal sector reciprocating motion, shake the bottle roll through frictional force drive, and then make the silk screen printing plate keep sharp roll throughout with shaking bottle contact department, the utility model discloses have the realization shake the printing work's of bottle outer wall function to the toper.

Description

A over-and-under type silk screen printing machine for circular cone shake flask

Technical Field

The utility model belongs to the technical field of the technique of printing machine and specifically relates to a over-and-under type silk screen printing machine for conical flask shakes.

Background

The printing component of the screen printing machine is characterized in that the ink scraping plate extrudes ink and a screen printing plate in motion, the screen printing plate and a printing stock form a press mark, the screen has tension to generate force on the ink scraping plate, the screen printing plate is not contacted with the printing stock except the press mark by resilience force, and the ink is leaked and printed on the printing stock from the moving press mark through meshes under the extrusion force of the ink scraping plate.

Chinese patent with publication number CN205395427U discloses a screen printing machine, including the frame that is connected with the screen printing plate, screen printing plate below is equipped with the installation department that is used for fixed bottle lid, and the frame is equipped with the drive arrangement who is used for lifting the installation department, and the frame is equipped with the cleaning device who is used for cleaing away the bottle lid and is used for placing the clearance station of bottle lid, cleaning device still includes the tuber pipe, and the tuber pipe mouth of pipe is towards the clearance station, and the tuber pipe is kept away from clearance station one end and is connected with the fan. The cleaning station comprises a fixed rod fixedly connected to the rack, one end, far away from the rack, of the fixed rod is rotatably connected with a disc, and the edge of the disc is abutted to the bottle cap. The structure can remove surface impurity dust before printing.

The above prior art solutions have the following drawbacks: because the scraping plate moves linearly on the screen printing plate relatively, in the existing mechanism, the surface of the plane glass and the surface of the cylinder glass bottle can be printed only, and the conical shake flask in the scientific glassware can not be printed.

SUMMERY OF THE UTILITY MODEL

To the not enough of prior art existence, one of the purposes of the utility model is to provide an ability is at toper shake bottle surface seal mark over-and-under type silk screen printing machine.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:

a lifting type screen printing machine for conical shake flasks comprises a machine body, wherein a scraping device for scraping and printing coatings and a screen printing plate are arranged on the machine body, the screen printing plate is horizontally and rotatably arranged on the machine body, a screen plate of the screen printing plate extends out of one side wall of the machine body in parallel with the length direction of the machine body, the rotating point of the screen printing plate is located in the middle of the machine body, a driving mechanism for driving the screen printing plate to rotate in a reciprocating mode is arranged on the machine body, a lifting table is arranged below the screen printing plate and vertically and slidably arranged on a frame body, a driving source for driving the lifting table to vertically lift is arranged on the machine body, a placing seat for placing the shake flasks is arranged on the lifting table, rollers are rotatably arranged at the top of the placing seat, the axes of the rollers are parallel with the width direction of the machine body, and two rollers are arranged in parallel with, two pairs of rollers are arranged in parallel along the width direction of the machine body, and the height of the horizontal plane where the axes of the pair of rollers far away from the machine body are located is lower than that of the horizontal plane where the axes of the pair of rollers close to the machine body are located.

By adopting the technical scheme, when an operator prints the outer wall of the conical shake flask, the conical shake flask is firstly placed on two rows of idler wheels on the placing seat, the end with the larger diameter of the shake flask is placed on the row of idler wheels with the lower height on the placing seat, the upper edge of the outer wall of the conical surface of the conical shake flask is in a horizontal straight line, then the driving source is started, the lifting platform is lifted, the upper edge of the shake flask is abutted to the bottom wall of the screen printing plate, the driving moving mechanism is started again, the screen printing plate is driven to rotate around the rotating point of the screen printing plate on the machine body in a reciprocating mode, the end, extending out of the machine body, of the screen printing plate is in a horizontal sector reciprocating mode, and when the screen printing plate rotates, the shake flask is driven to roll through friction force between the screen printing plate and the.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises a reciprocating screw rod, a motor, a first sliding block and a first connecting rod, the reciprocating screw rod is arranged on the machine body along the length direction of the machine body, two ends of the reciprocating screw rod are rotatably connected to the machine body, the first sliding block is arranged on the machine body along the length direction of the machine body in a sliding mode, a sliding sleeve is arranged on the first sliding block, the reciprocating screw rod is sleeved with the sliding sleeve in a sliding mode, the motor is fixedly arranged on the machine body, an output shaft of the motor is fixedly connected with one end of the screw rod in a coaxial mode, one end of the first connecting rod is hinged to the first sliding block, the other end of the first connecting rod is hinged to the screen plate, and a hinged point of the first connecting rod and the screen plate is located on one.

Through adopting above-mentioned technical scheme, order about the silk screen printing plate when organism coparallel rotates at operating personnel, starter motor earlier, order about reciprocal lead screw and rotate, through roll transmission between the sliding sleeve on reciprocal lead screw and the first slider, with the guide effect of organism to first slider, thereby make first slider make a round trip to slide on reciprocal lead screw, and through the connecting rod transmission between first connecting rod and the silk screen printing plate on the first slider, thereby the one end that drives the silk screen printing plate makes a round trip to rotate around self rotation point, so that the one end that makes the silk screen printing plate stretch out the organism is fan-shaped rotation, the realization is to the printing work of toper shake bottle outer wall.

The present invention may be further configured in a preferred embodiment as: the driving mechanism comprises an air cylinder, a second sliding block and a second connecting rod, the second sliding block is arranged on the machine body in a sliding mode along the length direction of the machine body, the air cylinder is fixedly arranged on the machine body along the length direction of the machine body, a piston rod of the air cylinder is fixedly connected with the second sliding block, two travel switches are arranged on the machine body and are respectively located on sliding paths on two sides of the sliding block, and the two travel switches are respectively used for driving the piston rod of the air cylinder to stretch out and retract.

Through adopting above-mentioned technical scheme, order about the silk screen printing plate when organism upper level rotates at operating personnel, start the cylinder earlier, promote the second slider through the cylinder and slide on the organism, when the second slider slides to and advance direction one travel switch contact, travel switch triggers, and control cylinder piston rod withdraws, drive the second slider at cylinder piston rod and move the in-process backward, the second slider contacts with another travel switch, and trigger this travel switch, and stretch out again by this travel switch control cylinder piston rod, thereby make the reciprocal slip of second slider, and then make the silk screen printing plate stretch out one end of organism and be fan-shaped rotation, the realization is shaken the printing work of bottle outer wall to the toper.

The present invention may be further configured in a preferred embodiment as: the machine body is fixedly provided with a guide rod along the length direction of the machine body, the travel switches are arranged on the guide rod in a sliding mode along the length direction of the guide rod, the travel switches are connected with positioning bolts in a threaded mode, and one ends of the positioning bolts can be abutted to the guide rod.

Through adopting above-mentioned technical scheme, operating personnel can slide two travel switch on the guide bar to use positioning bolt to fix its location, through adjusting two travel switch and the vertical distance between the median plane of silk screen printing plate, thereby adjust the turned angle that the silk screen printing plate stretches out organism one end, with being applicable to not unidimensional sign printing, and in time stop the second slider and remove, improve the toper and shake a bottle surface sign printing efficiency.

The present invention may be further configured in a preferred embodiment as: the top of elevating platform is provided with the dwang along organism width direction, the axis of rotation of dwang is on a parallel with the length direction of organism, the axis of rotation of dwang is close to the organism, place the seat and set firmly the roof at the dwang, be provided with the hoist mechanism that is used for ordering about the expansion end lift of dwang on the elevating platform.

Through adopting above-mentioned technical scheme, operating personnel is through operating hoist mechanism, and then adjusts the dwang apart from dwang turned angle to adjust and place two sets of gyro wheels on the seat around on the seat and interval on vertical horizontal plane, so that place the seat on the gyro wheel can be applicable to different tapering cones and shake the bottle and place, improve silk screen printing machine application scope.

The present invention may be further configured in a preferred embodiment as: hoist mechanism includes supporting seat and carousel, the spout has been seted up along self length direction on the dwang is on a parallel with organism width direction's the vertical lateral wall, the supporting seat is improved level and has set firmly the bracing piece, the cross-section of bracing piece is circular, the bracing piece slides and wears to establish in the spout, the bottom of supporting seat is vertical to be set firmly the double-screw bolt, the carousel rotates and sets up on the elevating platform, the axis of carousel is on a parallel with vertical direction, follow the coaxial set up screw hole of vertical direction on the carousel, double-screw bolt and the coaxial threaded connection of carousel.

Through adopting above-mentioned technical scheme, when operating personnel rotated pole turned angle on adjusting the elevating platform, the manual carousel that rotates was through screw thread transmission between screw hole and the double-screw bolt on the carousel to drive the double-screw bolt and stretch up, make the expansion end of dwang rise, and then adjust the rotation angle of dwang, so that place on the seat gyro wheel can be applicable to different tapering toper and shake the bottle and place, improve silk screen printing machine application scope.

The present invention may be further configured in a preferred embodiment as: and anti-skid grains are arranged on the side wall of the turntable.

Through adopting above-mentioned technical scheme, add anti-skidding line on the carousel lateral wall, frictional force between staff and the carousel when improving the rotation carousel makes things convenient for the carousel to rotate.

The present invention may be further configured in a preferred embodiment as: the turntable is coaxially fixed with a connecting cylinder on the shaft, the connecting cylinder is rotatably arranged on the lifting platform in a penetrating mode, a locking bolt is horizontally and threadedly connected to the side wall of the lifting platform, and one end of the locking bolt can abut against the outer wall of the connecting cylinder.

Through adopting above-mentioned technical scheme, when operating personnel rotated the locking bolt, the locking bolt supported the outer wall of tight connecting cylinder to it is fixed with the carousel, and the restriction carousel rotates, thereby makes the angle of dwang fixed, improves dwang fixed stability.

To sum up, the utility model discloses a following at least one useful technological effect:

1. when an operator prints the outer wall of the conical shake flask, the conical shake flask is placed on two rows of idler wheels on the placing seat, the upper edge of the outer wall of the conical surface of the shake flask is horizontal, then the lifting platform is lifted, the upper edge of the shake flask is abutted against the bottom wall of the screen printing plate, then the screen printing plate is driven to extend out of one end of the machine body to do horizontal sector reciprocating motion, the shake flask is driven to roll through friction force, and the screen printing plate is always kept to roll linearly at the contact position with the shake flask, so that the printing work on the outer wall of the conical shake flask is realized;

2. when an operator drives the screen printing plate to horizontally rotate on the machine body, the air cylinder is started firstly to push the second sliding block to slide on the machine body, and the air cylinder is controlled to stretch back and forth through two travel switches in front of and behind the traveling path of the second sliding block, so that the second sliding block slides back and forth, one end of the screen printing plate extending out of the machine body rotates in a fan shape, and the printing work on the outer wall of the conical shake flask is realized;

3. when operating personnel rotated pole turned angle on adjusting the elevating platform, the manual carousel that rotates was through screw thread transmission between screw hole and the double-screw bolt on the carousel to drive the double-screw bolt and stretch, make the expansion end of dwang rise, and then adjusted the rotation angle of dwang, so that place seat top roller and can be applicable to different tapering toper shake flasks and place, improve silk screen printing machine application scope.

Drawings

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

Fig. 2 is a partially enlarged schematic view of a portion a in fig. 1.

Fig. 3 is a schematic partial structure diagram according to a first embodiment of the present invention.

Fig. 4 is a partially enlarged schematic view of a portion B in fig. 3.

Fig. 5 is a schematic partial structure diagram of a second embodiment of the present invention.

Fig. 6 is a partially enlarged schematic view of a portion C in fig. 5.

In the figure, 1, a machine body; 11. a squeegee device; 2. a screen printing plate; 3. a drive mechanism; 31. a reciprocating screw rod; 32. a motor; 33. a first slider; 34. a first link; 35. a sliding sleeve; 311. a cylinder; 321. a second slider; 331. a second link; 341. a travel switch; 351. a guide bar; 361. positioning the bolt; 4. a lifting platform; 41. a drive source; 42. rotating the rod; 5. a placing seat; 51. a roller; 6. a lifting mechanism; 61. a supporting seat; 62. a turntable; 63. a chute; 64. a stud; 65. a connecting cylinder; 66. locking the bolt; 67. a support rod.

Detailed Description

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

Referring to fig. 1, for the utility model discloses an over-and-under type silk screen printing machine for circular cone shakes bottle, including organism 1 and screen plate 2, the top of organism 1 is equipped with the installation room, and the bolted connection in installation room top has the apron, and the installation room is close to a lateral wall that is on a parallel with organism 1 length direction and establishes to the opening. The screen printing plate 2 is rotatably arranged on the machine body 1, and the rotating center line of the screen printing plate 2 is vertical and is positioned in the center of the installation chamber. The frame of the screen printing forme 2 extends out of the mounting chamber for mounting a replacement forme pattern. And a scraping and printing device 11 is fixedly arranged at the top of the machine body 1 and used for scraping and coating the paint on the screen printing plate 2.

Referring to fig. 1 and 2, a lifting table 4 is arranged below the screen printing plate 2, the lifting table 4 is vertically slidably mounted on the machine body 1, a driving source 41 for driving the lifting table 4 to vertically lift is arranged in the machine body 1, the driving source 41 is a hydraulic cylinder, the hydraulic cylinder is vertically mounted in the machine body 1, and a piston rod of the hydraulic cylinder is fixedly connected with the lifting table 4. The rotating rod 42 is rotatably installed on the lifting platform 4, and the central line of the rotating rod 42 is positioned on the vertical middle plane of the machine body 1 parallel to the width direction of the machine body 1. The one end that dwang 42 is close to organism 1 is articulated with elevating platform 4, is equipped with the hoist mechanism 6 of adjusting the expansion end height of dwang 42 on elevating platform 4, and hoist mechanism 6 includes supporting seat 61 and carousel 62. The spout 63 has been seted up along self length direction to the both sides of dwang 42, and the below slidable mounting of dwang 42 has supporting seat 61, and the welding has horizontal support pole 67 on the supporting seat 61, and the bracing piece 67 cross-section is circular, and the bracing piece 67 slides in wearing to establish the spout 63 on dwang 42. The bottom welding of supporting seat 61 has double-screw bolt 64, has vertically seted up the trompil on elevating platform 4, and coaxial welding has connecting cylinder 65 on the carousel 62, and connecting cylinder 65 coaxial rotation is worn to establish in the trompil. The outer wall of the rotary table 62 is provided with anti-slip threads, the rotary table 62 is provided with threaded holes along the axis of the rotary table, and the stud 64 is in threaded connection with the threaded holes. Horizontal screw holes are formed in the lifting platform 4, the screw holes penetrate through the open holes, locking bolts 66 are connected to the screw holes in an internal thread mode, the locking bolts 66 can abut against the connecting cylinders 65, and the rotary table 62 is fixed.

Referring to fig. 1 and 2, the rotatable lever 42 is slidably mounted with the placement base 5 along its longitudinal direction, and the placement base 5 is fixed by bolts. Place 5 tops of seat and rotate and install gyro wheel 51, gyro wheel 51's axis is on a parallel with organism 1 width direction, and the ball is symmetrical to organism 1 and is on a parallel with organism 1 self vertical median plane and sets up in pairs to set up two rows along organism 1 width direction interval, the central line place horizontal plane of two rows of gyro wheels 51 is not coplane, and gyro wheel 51 is close to organism 1 one row axis place horizontal plane higher. A rubber stopper for abutting against the bottom of the conical shake flask is arranged on the rotating rod 42 at one side of the placing seat 5 away from the machine body 1 in a sliding manner.

Referring to fig. 1 and 2, a rubber layer is arranged at the bottom of the screen printing plate 2, and a driving mechanism 3 for driving the screen printing plate 2 to rotate around the rotation center line of the screen printing plate is arranged in the mounting chamber in a reciprocating manner.

Example one

Referring to fig. 3 and 4, the driving mechanism 3 may include a reciprocating screw 31, a motor 32, a first slider 33, and a first link 34. The reciprocating screw rod 31 is arranged in parallel with the length direction of the machine body 1, and two ends of the reciprocating screw rod are rotatably connected to the inner wall of the installation chamber. The motor 32 is fixedly installed on the machine body 1, and an output shaft thereof is coaxially and fixedly connected with one end of the reciprocating screw rod 31. A guide rod is arranged in the installation chamber along the length direction of the installation chamber, the first sliding block 33 is slidably installed on the guide rod, a sliding sleeve 35 penetrates through the first sliding block 33 along the length direction of the machine body 1, and the sliding sleeve 35 is slidably sleeved on the reciprocating screw rod 31. One end of the first connecting rod 34 is rotatably connected with one end of the screen printing plate 2 extending into the mounting chamber, the other end of the first connecting rod is rotatably connected with the first sliding block 33, and the rotating axes at the two ends of the first connecting rod 34 are vertically arranged.

The implementation principle of the embodiment is as follows: when printing the outer wall of the conical shake flask, an operator firstly places the conical shake flask on the two rows of idler wheels 51 on the placing seat 5, so that the end with the larger diameter of the shake flask is placed on the row of idler wheels 51 with the lower height on the placing seat 5, and the upper edge of the conical surface outer wall of the conical shake flask is a horizontal straight line. The hydraulic cylinder is then actuated to raise the lift table 4 so that the upper edge of the shake flask abuts the bottom wall of the screen printing plate 2. And then, the motor 32 is started to drive the reciprocating screw rod 31 to rotate, and the reciprocating screw rod 31 and the sliding sleeve 35 on the first sliding block 33 are in rolling transmission to guide the first sliding block 33 by the machine body 1, so that the first sliding block 33 slides back and forth on the reciprocating screw rod 31, and the screen printing plate 2 is driven to rotate around a rotation point of the screen printing plate 2 on the machine body 1 in a reciprocating manner through the connection rod transmission between the first connecting rod 34 on the first sliding block 33 and the screen printing plate 2, and the screen printing plate 2 extends out of one end of the machine body 1 to do horizontal sector reciprocating motion. When the screen printing plate 2 rotates, the shake flask is driven to roll by friction force between the screen printing plate and the shake flask, so that the screen printing plate 2 always keeps linear rolling at the contact part of the screen printing plate and the shake flask, and the printing work on the outer wall of the conical shake flask is realized.

Example two

Referring to fig. 5 and 6, the driving mechanism 3 may include a cylinder 311, a second slider 321, and a second link 331. The guide rod 351 and the guide rod are fixedly installed in the installation chamber along the length direction of the machine body 1, the second sliding block 321 is installed on the guide rod in a sliding mode, and the two travel switches 341 are installed on the guide rod 351 in a sliding mode. A positioning bolt 361 is screwed to the travel switch 341, and an end of the positioning bolt 361 can abut against the guide rod 351 to fix the position of the travel switch 341. The two travel switches 341 are trigger switches, the travel switches 341 are respectively located at two sides of the second sliding block 321, and the contacts of the two travel switches 341 face the second sliding block 321. The machine body 1 is provided with a two-position four-way electromagnetic valve, the two travel switches 341 are electrically connected with the electromagnetic valve, when the travel switch 341 close to the air cylinder 311 is triggered, the piston rod of the air cylinder 311 extends out of the channel to be switched on, and when the travel switch 341 far away from the air cylinder 311 is triggered, the piston rod recovery channel of the air cylinder 311 is switched on. The machine body 1 is also provided with a switch for controlling the cylinder 311 to stop or start suddenly. One end of the second link 331 is rotatably connected to one end of the screen printing plate 2 extending into the mounting chamber, the other end is rotatably connected to the second slider 321, and the rotation axes at both ends of the second link 331 are both vertically arranged.

The implementation principle of the embodiment is as follows: when printing the outer wall of the conical shake flask, an operator firstly places the conical shake flask on the two rows of idler wheels 51 on the placing seat 5, so that the end with the larger diameter of the shake flask is placed on the row of idler wheels 51 with the lower height on the placing seat 5, and the upper edge of the conical surface outer wall of the conical shake flask is a horizontal straight line. The hydraulic cylinder is then actuated to raise the lift table 4 so that the upper edge of the shake flask abuts the bottom wall of the screen printing plate 2. And then starting the air cylinder 311, pushing the second sliding block 321 to slide on the machine body 1, when the second sliding block 321 slides to be in contact with one travel switch 341 in the advancing direction, triggering the travel switch 341, controlling the piston rod of the air cylinder 311 to retract, and when the piston rod of the air cylinder 311 drives the second sliding block 321 to move back, contacting the second sliding block 321 with the other travel switch 341, triggering the travel switch 341, and controlling the piston rod of the air cylinder 311 to extend out again by the travel switch 341. So that the second slider 321 is reciprocally slid and the end of the screen plate 2 protruding out of the machine body 1 is reciprocally rotated in a fan shape. And when the screen printing plate 2 rotates, the shaking bottle is driven to roll by friction force between the screen printing plate and the shaking bottle, so that the screen printing plate 2 always keeps linear rolling at the contact part with the shaking bottle, and the printing work on the outer wall of the conical shaking bottle is realized.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides a over-and-under type silk screen printing machine for conical flask shakes, includes organism (1), be provided with on organism (1) and be used for scraping the seal device (11) of seal coating, its characterized in that: the screen printing machine is characterized by further comprising a screen printing plate (2), the screen printing plate (2) is horizontally and rotatably arranged on the machine body (1), a screen plate of the screen printing plate (2) extends out of one side wall of the machine body (1) and is parallel to the length direction of the screen printing plate, the rotating point of the screen printing plate (2) is located in the middle of the machine body, a driving mechanism (3) used for driving the screen printing plate (2) to rotate in a reciprocating mode is arranged on the machine body (1), a lifting table (4) is arranged below the screen printing plate (2), the lifting table (4) is vertically and slidably arranged on a frame body, a driving source (41) used for driving the lifting table (4) to vertically lift is arranged on the machine body (1), a placing seat (5) used for placing a shake flask is arranged on the lifting table (4), a roller (51) is rotatably arranged at the top of the placing seat (5), and the axis of the roller, the two rollers (51) are arranged in parallel along the length direction of the machine body (1), two pairs of rollers (51) are arranged in parallel along the width direction of the machine body (1), and the height of the horizontal plane where the axes of a pair of rollers (51) far away from the machine body (1) are located is lower than the height of the horizontal plane where the axes of a pair of rollers (51) close to the machine body (1) are located.

2. The elevating screen printing machine for conical shake flasks as claimed in claim 1, wherein: the driving mechanism (3) comprises a reciprocating screw rod (31), a motor (32), a first sliding block (33) and a first connecting rod (34), the reciprocating screw rod (31) is arranged on the machine body (1) along the length direction of the machine body (1), two ends of the reciprocating screw rod (31) are rotatably connected to the machine body (1), the first sliding block (33) is arranged on the machine body (1) in a sliding mode along the length direction of the machine body (1), a sliding sleeve (35) is arranged on the first sliding block (33), the sliding sleeve (35) is sleeved on the reciprocating screw rod (31) in a sliding mode, the motor (32) is fixedly arranged on the machine body (1), an output shaft of the motor (32) is fixedly connected with one end of the screw rod in a coaxial mode, one end of the first connecting rod (34) is hinged to the first sliding block (33), the other end of the first connecting rod is hinged to the screen printing plate (2), and a hinge point of the first connecting rod (34) and the screen printing plate (2) is located on a rotation point of the screen printing plate The screen side of the plate (2).

3. The elevating screen printing machine for conical shake flasks as claimed in claim 1, wherein: the driving mechanism (3) comprises an air cylinder (311), a second sliding block (321) and a second connecting rod (331), the second sliding block (321) is arranged on the machine body (1) in a sliding mode along the length direction of the machine body (1), the air cylinder (311) is fixedly arranged on the machine body (1) along the length direction of the machine body (1), a piston rod of the air cylinder (311) is fixedly connected with the second sliding block (321), the machine body (1) is provided with two travel switches (341), the two travel switches (341) are respectively located on sliding paths on two sides of the sliding block, and the two travel switches (341) are respectively used for driving the piston rod of the air cylinder (311) to stretch out and retract.

4. The elevating screen printer for conical shake flasks as claimed in claim 3, wherein: the machine body (1) is fixedly provided with a guide rod (351) along the length direction of the machine body, the two travel switches (341) are arranged on the guide rod (351) in a sliding mode along the length direction of the guide rod (351), the travel switches (341) are connected with positioning bolts (361) in a threaded mode, and one ends of the positioning bolts (361) can be abutted to the guide rod (351).

5. The elevating screen printing machine for conical shake flasks as claimed in claim 1, wherein: the top of elevating platform (4) is provided with dwang (42) along organism (1) width direction, the axis of rotation of dwang (42) is on a parallel with the length direction of organism (1), the axis of rotation of dwang (42) is close to organism (1), place seat (5) and set firmly the roof at dwang (42), be provided with lifting mechanism (6) that are used for ordering about the expansion end lift of dwang (42) on elevating platform (4).

6. The elevating screen printing machine for conical shake flasks as claimed in claim 5, wherein: hoist mechanism (6) are including supporting seat (61) and carousel (62), spout (63) have been seted up along self length direction on the vertical lateral wall that dwang (42) is on a parallel with organism (1) width direction, supporting seat (61) is improved level and has been set firmly bracing piece (67), the cross-section of bracing piece (67) is circular, bracing piece (67) slide and wear to establish in spout (63), the bottom of supporting seat (61) is vertical to be set firmly double-screw bolt (64), carousel (62) rotate to set up on elevating platform (4), the axis of carousel (62) is on a parallel with vertical direction, follow the coaxial screw hole of seting up of vertical direction on carousel (62), double-screw bolt (64) and the coaxial threaded connection of carousel (62).

7. The elevating screen printing machine for conical shake flasks as claimed in claim 6, wherein: the side wall of the turntable (62) is provided with anti-skid lines.

8. The elevating screen printing machine for conical shake flasks as claimed in claim 6, wherein: the coaxial solid axle has connecting cylinder (65) on carousel (62), connecting cylinder (65) rotate and wear to establish on elevating platform (4), horizontal threaded connection has locking bolt (66) on the lateral wall of elevating platform (4), the one end ability butt of locking bolt (66) is on the outer wall of connecting cylinder (65).