CN212981827U

CN212981827U - Printing machine

Info

Publication number: CN212981827U
Application number: CN202021863489.2U
Authority: CN
Inventors: 刘兴光
Original assignee: Hunan Golden Sun Printing Co ltd
Current assignee: Hunan Golden Sun Printing Co ltd
Priority date: 2020-08-31
Filing date: 2020-08-31
Publication date: 2021-04-16
Anticipated expiration: 2030-08-31

Abstract

The utility model relates to a printing machine belongs to the printing technology field, and it includes printing mechanism and feed mechanism, feed mechanism includes the driving piece that lifter plate and drive lifter plate go up and down, be connected with the slide on the lifter plate, be provided with the clamping device who is used for pressing from both sides tight pile of paper on the slide, be provided with vibrating device in the middle of slide and the lifter plate, vibrating device is including the first motor that is fixed in the slide, first motor is connected with the cam, cam rotation in-process intermittent type and lifter plate butt, vibrating device is still including the elastic support piece who connects lifter plate and slide, elastic support piece includes the cover shell, the first spring of vertical setting in the cover shell, the through-hole has been seted up to the cover shell bottom, the connecting rod with first spring coupling is worn to be equipped with by the through-hole, the connecting rod lower extreme stretches. This application has the effect of correcting the paper pile of slope, improving the material loading precision.

Description

Printing machine

Technical Field

The application relates to the technical field of printing, in particular to a printing machine.

Background

The printing machine is mainly applied to the printing industry and used for printing characters and images, and a feeding device of the printing machine is an important part of the printing machine and is used for feeding paper into the printing machine according to a certain rule.

Chinese patent with grant publication number CN204737484U discloses a tray pre-stacking device, as a feeding mechanism of a printing machine, which relates to the field of printing technology, and the technical scheme thereof is characterized in that the device comprises a cart and a lifting paper conveying table, the lifting paper conveying table comprises a fixing frame, a lifting platen is slidably connected on the fixing frame, a lifting driving shaft and a lifting transition sprocket are arranged at the top of the fixing frame, driving sprockets are arranged at both ends of the lifting driving shaft, the lifting platen is in transmission connection with the lifting driving shaft through a lifting chain and the lifting transition sprocket, and rollers are arranged at the lower end of the cart.

The above related technical solutions have the following drawbacks: because the paper generally piles up higher on the shallow, when the shallow was in the lift platen, because the lift platen utilizes chain drive to realize its elevating movement, and during chain drive, receive external interference and rock easily to probably lead to rocking of paper pile on the shallow slope, influence follow-up paper and carry the degree of accuracy of counterpointing, thereby influence the quality of printed product.

SUMMERY OF THE UTILITY MODEL

In order to correct the paper pile of slope, improve material loading accuracy, make the paper pile aim at the pan feeding mouth center and get into, the application provides a printing machine.

The application provides a printing machine adopts following technical scheme:

the utility model provides a printing machine, including printing mechanism and feed mechanism, feed mechanism includes lifter plate and the driving piece that the drive lifter plate goes up and down, be connected with the slide on the lifter plate, be provided with the clamping device who is used for pressing from both sides tight pile on the slide, be provided with vibrating device in the middle of slide and the lifter plate, vibrating device is including the first motor that is fixed in the slide, first motor is connected with the cam, cam rotation process in intermittent type and lifter plate butt, vibrating device is still including the elastic support piece who connects lifter plate and slide, elastic support piece includes the cover shell, vertical first spring of setting in the cover shell, the through-hole has been seted up to the cover shell bottom, the connecting rod with first spring coupling is worn to be equipped with by the through-hole, the connecting rod lower extreme stretches out outside the.

By adopting the technical scheme, when the paper stacking machine is put into use, paper stacks are placed on the sliding plate, the first motor is started, the cam is intermittently abutted against the lifting plate in the rotating process, and the sliding plate continuously vibrates to vibrate the paper stacks under the alternating action of the cam and the elastic supporting piece; meanwhile, the paper stack is slowly limited by a clamping device, so that the paper stack is opposite to the center of a feeding port of the printing machine, the paper stack is fixed, and then the first motor is turned off; and starting the lifting device, lifting the lifting plate, fixing the sliding plate to the feeding inlet, loosening the clamping device, and then lifting along with the sliding plate to realize that the paper enters the printing machine one by one to be printed, thereby finishing the feeding work.

Preferably, a second spring parallel to the first spring is arranged in the casing, a connecting plate is connected to the upper ends of the first spring and the second spring together, and the upper end of the connecting rod is fixed to the bottom surface of the connecting plate.

Through adopting above-mentioned technical scheme, when the cam made the slide vibration, the connecting plate of being connected with the connecting rod was in synchronous vibration, and the first spring and the second spring of being connected with the fishplate bar play buffering and continuation effect to the vibration of connecting plate to when cam contactless lifter plate and slide, elastic support spare still enabled the slide and lasted the vibration.

Preferably, the connecting plate is provided with two guide holes, two guide rods which respectively penetrate through the two guide holes are fixed at the bottom of the inner cavity of the casing, the two guide rods are respectively inserted into the inner holes of the first spring and the second spring, and an auxiliary spring is sleeved outside the guide rods above the connecting plate.

Through adopting above-mentioned technical scheme, the guide bar plays the guide effect to first spring and second spring, makes first spring and second spring keep vertical, prevents to take place bending deformation when the compression capacity is great, improves the life of spring, and auxiliary spring can help the connecting plate to reset.

Preferably, a limiting block fixed on the bottom surface of the inner cavity of the shell is arranged below the connecting plate, a connecting block fixed on the bottom surface of the sliding plate is arranged above the shell, and the limiting block and the connecting block are made of elastic materials.

Through adopting above-mentioned technical scheme, when the connecting rod received great impact in vertical direction, the stopper can play the buffering to the connecting plate of being connected with the connecting rod, and the connecting block can play the buffering to with the cover shell, has improved elastic support's stability, prevents simultaneously that first spring and second spring that are connected with the connecting plate overstretch or the compression from exceeding elastic deformation scope, improves the life of spring.

Preferably, clamping device includes splint, splint are provided with two with the central line symmetry that is on a parallel with the material loading entry, be provided with the slider on the splint, set up the spout of sliding fit slider on the slide, the perpendicular pan feeding direction of the slip direction of slide.

Through adopting above-mentioned technical scheme, slider and spout cooperation, splint can remain the direction removal of parallel pan feeding mouth all the time.

Preferably, the sliding block is provided with an extension part, the extension part is rotatably connected with a bidirectional screw rod, and the bottom surface of the sliding plate is provided with a first fixing block for fixing the bidirectional screw rod; the bidirectional screw rod is provided with a worm wheel, the bottom surface of the sliding plate is provided with a second fixed block vertical to the sliding plate, and the worm wheel is connected with a worm which is rotatably arranged on the second fixed block in a penetrating mode.

Through adopting above-mentioned technical scheme, rotatory worm, worm cooperation worm wheel, the worm wheel drives two-way lead screw rotatory to two splint can realize moving towards in opposite directions or opposite direction in step.

Preferably, the end of the clamping plate close to the feeding inlet is provided with a cross piece in a vertical mode.

Through adopting above-mentioned technical scheme, when splint pressed from both sides tight paper heap, the horizontal piece of perpendicular splint further gave the third face of paper heap spacingly.

Preferably, a pulley is arranged at one end of the connecting rod, which is far away from the connecting plate, a sliding rail matched with the pulley is arranged on the lifting plate, and the sliding rail is provided with a flange; threaded holes perpendicular to the sliding rail direction are formed in the side walls of the two sliding rails, the threaded holes are in threaded fit with the same bolt, and the bolt abuts against the pulley far away from the feeding port.

By adopting the technical scheme, when the vibrating device vibrates, compared with the initial position of the elastic supporting piece, the pulley is limited by the flange in the vertical direction, so that the connecting rod is limited to slide out downwards relative to the casing, and the upward displacement of the connecting rod relative to the initial position is very small; the bolt limits the displacement of the pulley far away from the feeding port, so that the sliding plate is fixed when the paper is conveyed.

Preferably, elevating gear includes the carriage, the driving piece includes two sets of lifting screw rods of rotating the connection on the carriage, two lifting screw rod parallel arrangement just respectively with lifter plate threaded connection, two lifting screw rod bottoms are provided with the band pulley respectively, and the tensioning cover is equipped with the belt between two band pulleys, is provided with the second motor of being connected with a set of band pulley on the carriage.

By adopting the technical scheme, the second motor is started to drive the belt wheel and the belt, the two lifting screw rods synchronously rotate, the equal displacement of the part connected with the lifting plate and the lifting screw rods on the two sides is ensured, and the lifting plate stably ascends or descends.

In summary, the present application includes at least one of the following beneficial technical effects:

1. through the vibrating device and the clamping device, the paper stack on which the feeding mechanism is placed is firstly vibrated, then is well adjusted to be clamped, and finally is sent to a printing machine aiming at the center of the feeding port, so that the quality of printed matters is improved;

2. the lifting plate drives the sliding plate to ascend through the lifting device and the driving piece, so that the paper can enter the printing machine one by one to be printed, and the feeding work is finished; simultaneously, the paper-carrying sliding plate of the feeding mechanism can adapt to different heights and correspond to different feeding ports, so that the paper-carrying sliding plate is suitable for machines with more models.

Drawings

FIG. 1 is a schematic diagram of a printing press according to an embodiment of the present disclosure;

FIG. 2 is a schematic structural diagram of a lifting device of the feeding mechanism in FIG. 1;

FIG. 3 is a schematic structural view of a vibration device of the feeding mechanism in FIG. 1;

fig. 4 is a schematic structural view of a clamping device of the feeding mechanism in fig. 1.

Description of reference numerals: 1. a cam; 2. a first motor; 3. an elastic support member; 31. a housing; 32. a first spring; 321. a second spring; 322. an auxiliary spring; 33. a through hole; 34. a connecting rod; 35. a pulley; 36. a connecting plate; 361. a guide hole; 37. a guide bar; 38. a limiting block; 39. connecting blocks; 4. a slide plate; 41. a chute; 5. a splint; 51. a transverse sheet; 52. a slider; 53. an extension portion; 6. a bidirectional screw rod; 61. a worm gear; 62. a worm; 63. a handle; 64. anti-skid lines; 65. a first fixed block; 66. a second fixed block; 7. a lifting plate; 71. a slide rail; 72. a flange; 73. a guide block; 74. a bolt; 8. a support frame; 81. a guide groove; 9. a drive member; 91. a lifting screw rod; 92. a pulley; 93. a belt; 94. a second motor.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses a printing machine. Referring to fig. 1, the printing machine is provided with a feeding port and a feeding mechanism corresponding to the feeding port, the feeding mechanism comprises a lifting device, the lifting device comprises a lifting plate 7, the lifting plate 7 is lifted through a lifting screw 91 and a driving piece 9, a sliding plate 4 is connected to the lifting plate 7, a clamping device for clamping a paper stack is arranged on the sliding plate 4, the clamping device comprises a clamping plate 5 connected with the sliding plate 4 in a sliding manner, and a vibrating device is arranged between the sliding plate 4 and the lifting plate 7.

Referring to fig. 2, the lifting device comprises a supporting frame 8, 4 guide blocks 73 are arranged on the side edge of the

lifting plate

7, and 4 vertical guide grooves 81 matched with the guide blocks 73 are arranged on the supporting frame 8; the driving piece 9 comprises two groups of lifting screw rods 91 which are rotatably connected to the supporting frame 8, the thread directions of the two lifting screw rods 91 are consistent, the two lifting screw rods 91 are arranged in parallel and are respectively in threaded connection with the lifting plate 7, belt wheels 92 are respectively arranged at the bottom ends of the two lifting screw rods 91, a belt 93 is sleeved between the two belt wheels 92 in a tensioning manner, and a second motor 94 connected with a group of belt wheels 92 is arranged on the supporting frame 8.

Referring to fig. 3, the vibration device comprises a cam 1, the cam 1 is connected with a first motor 2 fixed on a sliding plate 4, the cam 1 is intermittently abutted against a lifting plate 7 in the rotating process, the vibration device further comprises an elastic support member 3 connected with the lifting plate 7 and the sliding plate 4, when the long shaft of the cam 1 is at other positions, the cam 1 does not contact the lifting plate 7 and the sliding plate 4, and the elastic support member 3 continues the vibration support of the sliding plate 4.

Referring to fig. 3, the elastic support 3 includes a sleeve 31, a through hole 33 is formed at the bottom of the sleeve 31, a connecting rod 34 penetrates through the through hole 33, a first spring 32 and a second spring 321 which are parallel to the connecting rod 34 and are bilaterally symmetrical with the central axis of the connecting rod 34 are vertically arranged in the sleeve 31, the upper ends of the first spring 32 and the second spring 321 are connected with a connecting plate 36, and the upper end of the connecting rod 34 is fixed on the bottom surface of the connecting plate 36.

Referring to fig. 3, two guide holes 361 are formed in the connecting plate 36, two guide rods 37 respectively penetrating through the two guide holes 361 are fixed at the bottom of the inner cavity of the housing 31, the two guide rods 37 are respectively inserted into inner holes of the first spring 32 and the second spring 321, an auxiliary spring 322 is also sleeved outside the guide rod 37 above the connecting plate 36, one side of the auxiliary spring 322, far away from the connecting plate 36, abuts against the top of the inner cavity of the housing 31, and the auxiliary spring 322 can help the connecting plate 36 to reset.

Referring to fig. 3, a limiting block 38 fixed on the bottom surface of the inner cavity of the casing 31 is arranged below the connecting plate 36, when the connecting plate 36 is vibrated and displaced by elasticity, the limiting block 38 can buffer and limit the connecting plate 36, a connecting block 39 fixed on the bottom surface of the sliding plate 4 is arranged above the casing 31, the limiting block 38 and the connecting block 39 are made of elastic materials, when the connecting rod 34 is impacted greatly in the vertical direction, the connecting block 39 can buffer the casing 31, and the stability of the elastic support 3 is improved.

Referring to fig. 1 and 3, a slide rail 71 is provided on the lifting plate 7, the lower end of the connecting rod 34 extends out of the inner cavity of the housing 31, the connecting rod 34 is connected with a pulley 35 in sliding fit with the slide rail 71, and the slide rail 71 is provided with a flange 72, so that the pulley 35 cannot be separated from the slide rail 71 when the vibration device works; threaded holes perpendicular to the direction of the sliding rails 71 are formed in the side walls of the two sliding rails 71, the threaded holes are in threaded fit with the same bolt 74, and the bolt 74 abuts against the pulley 35 far away from the feeding port, so that the sliding plate 4 is fixed when paper is conveyed.

Referring to fig. 1 and 4, two clamping plates 5 are symmetrically arranged in parallel with the central line of the feeding inlet, a sliding block 52 is arranged on each clamping plate 5, a sliding groove 41 which is in sliding fit with the sliding block 52 is formed in each sliding plate 4, and the sliding direction of each sliding plate 4 is perpendicular to the feeding direction, so that the clamping plates 5 always move in the direction parallel to the feeding inlet; one end of the clamping plate 5 close to the feeding inlet is provided with a transverse sheet 51, and the transverse sheet 51 of the vertical clamping plate 5 further limits the third surface of the paper stack when the clamping plate 5 clamps the paper stack.

Referring to fig. 4, the extension parts 53 of the sliding blocks 52 of the two clamping plates 5 are rotatably connected with a bidirectional screw rod 6, the bottom surface of the sliding plate 4 is provided with a first fixing block 65 for fixing the bidirectional screw rod 6, the bidirectional screw rod 6 is provided with a worm wheel 61, the bottom surface of the sliding plate 4 is provided with 3 second fixing blocks 66 perpendicular to the sliding plate 4, the connecting line of the centers of the 3 second fixing blocks 66 is perpendicular to the bidirectional screw rod 6, the worm wheel 61 is connected with a worm 62 rotatably penetrating the second fixing blocks 66, the worm 62 is provided with a handle 63, and the handle 63 is provided with anti-skid; the handle 63 is screwed to drive the worm 62 to rotate, the worm 62 is matched with the worm wheel 61, and the worm wheel 61 drives the bidirectional screw rod 6 to rotate, so that the two clamping plates 5 can synchronously move towards the opposite direction or the opposite direction.

The implementation principle of the printing machine in the embodiment of the application is as follows: when needing accurate material loading, vibrate earlier and press from both sides tight pile of paper, adjust the accurate direction of pan feeding: the paper is stacked on the sliding plate 4, the first motor 2 is started, the cam 1 is intermittently abutted with the lifting plate 7 in the rotating process, when the long shaft of the cam 1 is at other positions, the cam 1 does not contact the lifting plate 7 and the sliding plate 4, and the elastic support piece 3 continues the vibration support of the sliding plate 4; under the alternate action of the cam 1 and the elastic supporting piece 3, the sliding plate 4 continuously buffers the vibration to vibrate the paper stack; meanwhile, the paper stack is slowly limited by a clamping device, so that the paper stack is opposite to the center of a feeding port of the printing machine, the paper stack is fixed, and then the first motor 2 is closed; and starting the lifting device, lifting the lifting plate 7, fixing the sliding plate 4 to the feeding inlet, loosening the clamping device, and then enabling the paper to enter the printing machine one by one along with the lifting of the sliding plate 4 to print, thereby finishing the feeding work.

When lifting the paper stack and adjusting the feeding height: the second motor 94 is started to drive the belt pulley 92 and the belt 93 to synchronously drive, the belt pulley 92 drives the two lifting screw rods 91 to synchronously rotate, and the displacement of the part connected with the lifting plate 7 and the lifting screw rods 91 at the two sides is ensured to be equal, so that the sliding plate 4 and the paper stack stably ascend or descend.

When the cam 1 abuts against the lifting plate 7, the lifting plate 7 and the sliding plate 4 are displaced away from each other, the pulley 35 of the elastic support 3 is limited on the sliding rail 71 in the vertical direction, the connecting rod 34 is fixed on the pulley 35, the sleeve 31 is fixed on the sliding plate 4, so that the connecting rod 34 moves downwards relative to the sleeve 31, the connecting plate 36 and the connecting rod 34 are synchronous, the first spring 32 and the second spring 321 are compressed, and the auxiliary spring 322 is stretched; when the long shaft of the cam 1 is at other positions, the elastic support 3 acts on the lifting plate 7 and the sliding plate 4, at this time, the first spring 32 and the second spring 321 are reset and extended, and the auxiliary spring 322 is retracted, so that the lifting plate 7 and the sliding plate 4 are displaced and close to each other; the alternating action of the cam 1 and the elastic support 3 causes the slide 4 to continue to damp vibrations.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a printing machine, includes printing mechanism and feed mechanism, feed mechanism includes elevating gear, elevating gear includes driving piece (9) that lifter plate (7) and drive lifter plate (7) go up and down, be connected with slide (4) on lifter plate (7), be provided with the clamping device who is used for pressing from both sides tight pile of paper on slide (4), its characterized in that: be provided with vibrating device in the middle of slide (4) and lifter plate (7), vibrating device is including first motor (2) that is fixed in slide (4), first motor (2) are connected with cam (1), intermittent type and lifter plate (7) butt in cam (1) rotation process, vibrating device is still including elastic support piece (3) of connecting lifter plate (7) and slide (4), elastic support piece (3) are including cover shell (31), vertical first spring (32) of setting in cover shell (31), through-hole (33) have been seted up to cover shell (31) bottom, connecting rod (34) of being connected with first spring (32) are worn to be equipped with in through-hole (33), connecting rod (34) lower extreme is stretched out outside cover shell (31) and is connected with lifter plate (7).

2. A printing machine according to claim 1, wherein: a second spring (321) parallel to the first spring (32) is arranged in the sleeve (31), the upper ends of the first spring (32) and the second spring (321) are connected with a connecting plate (36) together, and the upper end of the connecting rod (34) is fixed on the bottom surface of the connecting plate (36).

3. A printing machine according to claim 2, wherein: the connecting plate (36) is provided with two guide holes (361), the bottom of the inner cavity of the shell (31) is fixedly provided with two guide rods (37) which respectively penetrate through the two guide holes (361), the two guide rods (37) are respectively inserted into inner holes of the first spring (32) and the second spring (321), and the guide rods (37) above the connecting plate (36) are also sleeved with the auxiliary spring (322).

4. A printing machine according to claim 3, wherein: a limiting block (38) fixed on the bottom surface of an inner cavity of the shell (31) is arranged below the connecting plate (36), a connecting block (39) fixed on the bottom surface of the sliding plate (4) is arranged above the shell (31), and the limiting block (38) and the connecting block (39) are made of elastic materials.

5. A printing machine according to claim 1, wherein: clamping device includes splint (5), splint (5) are provided with two with the central line symmetry that is on a parallel with the material loading entry, be provided with slider (52) on splint (5), set up spout (41) of sliding fit slider (52) on slide (4), the perpendicular pan feeding direction of sliding direction of slide (4).

6. A printing machine according to claim 5, wherein: the sliding block (52) is provided with an extension part (53), the extension part (53) is rotatably connected with a bidirectional screw rod (6), and the bottom surface of the sliding plate (4) is provided with a first fixing block (65) for fixing the bidirectional screw rod (6); a worm wheel (61) is arranged on the bidirectional screw rod (6), a second fixed block (66) vertical to the sliding plate (4) is arranged on the bottom surface of the sliding plate (4), and the worm wheel (61) is connected with a worm (62) rotatably penetrating through the second fixed block (66).

7. A printing machine according to claim 6, wherein: one end of the clamping plate (5) close to the feeding inlet is provided with a cross piece (51) vertical to the clamping plate (5).

8. A printing machine according to claim 1, wherein: a pulley (35) is arranged at one end, far away from the connecting plate (36), of the connecting rod (34), a sliding rail (71) matched with the pulley (35) is arranged on the lifting plate (7), and a flange (72) is arranged on the sliding rail (71); threaded holes perpendicular to the direction of the sliding rails (71) are formed in the side walls of the two sliding rails (71), the threaded holes are in threaded fit with the same bolt (74), and the bolt (74) abuts against the pulley (35) far away from the feeding port.

9. A printing machine according to claim 1, wherein: the lifting device further comprises a supporting frame (8), the driving piece (9) comprises two groups of lifting screw rods (91) which are connected to the supporting frame (8) in a rotating mode, the two groups of lifting screw rods (91) are arranged in parallel and are respectively in threaded connection with the lifting plate (7), belt wheels (92) are respectively arranged at the bottom ends of the two lifting screw rods (91), a belt (93) is sleeved between the two belt wheels (92) in a tensioning mode, and a second motor (94) connected with one group of belt wheels (92) is arranged on the supporting frame (8).