CN212636898U

CN212636898U - Electric paper lifting and pressing mechanism for printing equipment

Info

Publication number: CN212636898U
Application number: CN202021125060.3U
Authority: CN
Inventors: 谢贵玉; 林日富
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-06-17
Filing date: 2020-06-17
Publication date: 2021-03-02
Anticipated expiration: 2030-06-17

Abstract

The utility model provides an electric paper lifting and pressing mechanism for printing equipment, which comprises a compression roller; the compression roller rotates and inlays on lifting the cross axle of pressing the frame bottom, and the outer end of compression roller still clamps the locking piece, lift the upper end of pressing the frame and rotate and install on two sets of supports, and support fixed connection is in the bottom side of shell body, it is equipped with the swing gear still to fix the card in the middle of pressing the frame to lift, and the swing gear is connected with linkage rack B meshing, linkage rack B establishes in the one end outside of alignment jig, and alignment jig slidable mounting is in the inboard of shell body. Drive two-way rack upward movement through electric putter to drive two sets of drive gear respectively and rotate towards different directions, drive the locating rack and at the spacing downstream down of direction montant, make the bottom of lifting the pressure frame outwards swing, utilize the compression roller to drag the pressure to the paper of its bottom side, only need operate a set of electric putter can, can also guarantee that two sets of compression rollers outwards swing in step, avoid the paper to shift.

Description

Electric paper lifting and pressing mechanism for printing equipment

Technical Field

The utility model belongs to the technical field of lithography apparatus, more specifically say, in particular to an electronic nipper that lifts for lithography apparatus.

Background

The printing press requires the placement of paper on a printing platform prior to printing. In order to prevent the paper from arching and causing printing misalignment, a paper pressing mechanism is generally used to press the paper.

If the application number is: CN201822208704.4 discloses an electric paper lifting and pressing mechanism for printing equipment, which comprises a transmission part and a paper pressing part, wherein the transmission part comprises an electric push rod motor, a transmission rod, a rocker and a transmission shaft; the paper pressing part comprises a rotary pressing head, a lifting pressing plate, a pressing wheel, a reset tension spring and a fixed mount fixedly mounted, the rotary pressing head is fixedly mounted on the transmission shaft, the lifting pressing plate is hinged to the fixed mount, one end of the lifting pressing plate is in contact with the rotary pressing head, the pressing wheel is arranged at the other end of the lifting pressing plate, one end of the reset tension spring is connected with the lifting pressing plate, and the other end of the reset tension spring is fixedly mounted on the fixed mount. The utility model discloses a novel structure, pinch roller are when pressing paper, and the roll extrusion of pinch roller can drag the paper for the paper is also straightened when pushing down, solves the problem that the paper arched effectively.

Based on the aforesaid, lift nipper and when straightening the paper, need two sets of electric putter to drive the pinch roller and drag the pressure to the paper in step, device overall cost is higher, and secondly, two sets of electric putter appear asynchronous phenomenon easily at the during operation, lead to the paper of pinch roller bottom side to drag and shift a set of pinch roller, influence the printing and the straightening of paper.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problem, the utility model provides an electronic nipper that lifts for lithography apparatus to the solution needs two sets of electric putter, and device overall cost is higher, appears asynchronous phenomenon easily, leads to the problem that the paper of pinch roller bottom side drags and shifts a set of pinch roller.

The utility model discloses a purpose and efficiency that is used for the electronic nipper that lifts of lithography apparatus reaches by following concrete technological means:

an electric paper lifting and pressing mechanism for printing equipment comprises an outer shell, a support, an electric push rod, a bidirectional rack, a driving gear, an adjusting frame, a linkage rack A, a linkage rack B, a guide vertical rod, a lifting and pressing frame, a swinging gear, a pressing roller, a locking block and an adjusting spring; the compression roller rotates and inlays on lifting the cross axle of pressing the frame bottom, and the outer end of compression roller still clamps the locking piece, lift the upper end of pressing the frame and rotate and install on two sets of supports, and support fixed connection is in the bottom side of shell body, it is equipped with the swing gear still to fix the card in the middle of pressing the frame to lift, and the swing gear is connected with linkage rack B meshing, linkage rack B establishes in the one end outside of alignment jig, and alignment jig slidable mounting is in the inboard of shell body.

Furthermore, the middle of the inner side of the adjusting frame is also connected with three groups of square guide vertical rods, and the guide vertical rods downwards penetrate through the bottom side of the outer shell and are arranged above the compression roller.

Furthermore, a linkage rack A is arranged at the outer end of the other side of the adjusting frame and is meshed and connected with the driving gear.

Furthermore, the driving gears are provided with two groups and are respectively connected to the middle of the bottom side of the outer shell in a rotating mode, a bidirectional rack is further arranged between the two groups of driving gears in a sliding mode, the clamping teeth on the outer sides of the bidirectional racks are respectively connected with the driving gears in a meshing mode, and the top ends of the bidirectional racks are connected to the bottom side of the electric push rod.

Furthermore, the pressure lifting frame is provided with two groups of pressure lifting frames which are in an aligned inclined downward structure, the middle of a transverse shaft at the bottom end of each pressure lifting frame is sleeved with an adjusting spring, and the adjusting spring is arranged between the two groups of pressure rollers.

The utility model discloses at least, include following beneficial effect:

the utility model discloses a set up two sets of counterpoint and lift down to one side and press the frame, and rotate on lifting the cross axle of pressing the frame bottom and inlay the compression roller, accessible electric putter drives two-way rack upward movement, and drive two sets of drive gear respectively and rotate towards different directions, and utilize drive gear and linkage rack A's meshing effect, it moves down at the spacing of direction montant to drive the alignment jig, it is rotatory to lift the swing gear of pressing the frame upper end through linkage rack B drive, thereby make the bottom outwards swing of lifting the frame, utilize the compression roller to drag the pressure to the paper of its bottom side, and flatten the paper, need not two sets of electric putter devices of concurrent operation, only need operate a set of electric putter can, can also guarantee the synchronous outwards swing of two sets of compression rollers, avoid the paper aver.

Secondly, the adjusting spring is sleeved on the cross shaft at the bottom end of the lifting and pressing frame and arranged between the two groups of press rollers, the distance between the two groups of press rollers can be changed by changing the position of the locking block outside the press rollers, and therefore the paper can be better adapted to paper with different widths when in use.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged schematic view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a schematic front view of the present invention.

In the drawings, the corresponding relationship between the component names and the reference numbers is as follows:

1. an outer housing; 101. a support; 2. an electric push rod; 201. a bidirectional rack; 3. a drive gear; 4. an adjusting bracket; 401. a linkage rack A; 402. a linkage rack B; 403. a guide vertical rod; 5. lifting and pressing the frame; 501. a swing gear; 6. a compression roller; 601. a locking block; 602. the spring is adjusted.

Detailed Description

The following describes embodiments of the present invention in further detail with reference to the accompanying drawings and examples. The following examples are intended to illustrate the invention, but are not intended to limit the scope of the invention.

In the description of the present invention, "a plurality" means two or more unless otherwise specified; the terms "upper", "lower", "left", "right", "inner", "outer", "front", "rear", "head", "tail", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," "third," and the like are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "connected" and "connected" are to be interpreted broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Example (b):

as shown in figures 1 to 3:

the utility model provides an electronic paper pressing mechanism that lifts for lithography apparatus, including shell body 1, support 101, electric putter 2, two-way rack 201, drive gear 3, alignment jig 4, linkage rack A401, linkage rack B402, direction montant 403, lift and press frame 5, swing gear 501, compression roller 6, locking piece 601, adjusting spring 602; the compression roller 6 is rotatably embedded on a transverse shaft at the bottom end of the pressure lifting frame 5, the outer end of the compression roller 6 is further clamped with a locking block 601, the upper end of the pressure lifting frame 5 is rotatably installed on the two groups of supports 101, the supports 101 are fixedly connected to the bottom side of the outer shell 1, the swing gear 501 is fixedly clamped in the middle of the pressure lifting frame 5 and is meshed with the linkage rack B402, the linkage rack B402 is arranged on the outer side of one end of the adjusting frame 4, and the adjusting frame 4 is slidably installed on the inner side of the outer shell 1.

Wherein, still be connected with three groups of square direction montants 403 in the middle of the inboard of alignment jig 4, and the direction montant 403 passes the bottom side of shell body 1 downwards and establishes in the top of compression roller 6, utilizes three groups of direction montants 403 to lead and spacing the upper and lower slip of alignment jig 4, prevents that alignment jig 4 from squinting all around in shell body 1.

The outer end of the other side of the adjusting frame 4 is provided with a linkage rack A401, the linkage rack A401 is meshed with the driving gear 3, and when the driving gear 3 rotates, the linkage rack A401 can be driven to move downwards or upwards, so that the adjusting frame 4 is driven to move downwards or upwards synchronously.

Wherein, drive gear 3 is equipped with two sets ofly and rotates respectively to be connected in the middle of the bottom side of shell body 1, and two sets of drive gear 3's centre still slidable mounting have two-way rack 201, the latch in two-way rack 201 outside drives gear 3 meshing respectively and connects, and the bottom side at electric putter 2 is connected on the top of two-way rack 201, and accessible electric putter 2 drives two-way rack 201 upward movement, utilizes two-way rack 201 to drive two sets of drive gear 3 towards different direction rotations of the meshing effect of gear 3 respectively.

Wherein, lift and press frame 5 and be two sets of and be counterpoint structure of descending to one side, and lift and press the middle cover of frame 5 bottom cross axle and be equipped with adjusting spring 602, and adjusting spring 602 establishes between two sets of compression rollers 6, usable pressure frame 5 that lifts drives compression roller 6 and outwards swings, utilize the rotation nature of compression roller 6 on lifting and pressing frame 5 bottom cross axle to drag the paper of its bottom side and press, and draw the paper flat, still can change the interval between two sets of compression rollers 6 through the position that changes compression roller 6 outside locking piece 601, so that the paper of the different width of adaptation that can be better when using.

The specific use mode and function of the embodiment are as follows:

in the utility model, the position of the locking block 601 outside the compression roller 6 is adjusted according to the width of the paper, the adjusting spring 602 between the two compression rollers 6 is used for changing the distance between the two compression rollers 6, the bidirectional rack 201 is driven to move upwards by the electric push rod 2, the meshing action of the bidirectional rack 201 to drive the two sets of driving gears 3 to rotate towards different directions respectively, the meshing action of the driving gears 3 and the linkage rack A401 is used for driving the adjusting frame 4 to move downwards under the limit of the guide vertical rod 403, the linkage rack B402 is used for driving the swing gear 501 at the upper end of the lifting and pressing frame 5 to rotate, so that the bottom end of the lifting and pressing frame 5 swings outwards, the paper at the bottom side of the lifting and pressing frame 5 is dragged and pressed by the rotatability of the compression roller 6 on the horizontal shaft at the bottom end of the lifting and pressing frame 5, the paper is leveled, the meshing action of the gear and the rack, need not two sets of electric putter 2 devices of concurrent operation, only need operate a set of electric putter 2 can, can also guarantee two sets of compression roller 6 outwards swings in step, avoid the paper to shift.

The details of the present invention are well known to those skilled in the art.

The embodiments of the present invention have been presented for purposes of illustration and description, and are not intended to be exhaustive or limited to the invention in the form disclosed. Many modifications and variations will be apparent to those of ordinary skill in the art. The embodiment was chosen and described in order to best explain the principles of the invention and the practical application, and to enable others of ordinary skill in the art to understand the invention for various embodiments with various modifications as are suited to the particular use contemplated.

Claims

1. The utility model provides an electronic nipper that lifts for lithography apparatus which characterized in that: the device comprises an outer shell (1), a support (101), an electric push rod (2), a bidirectional rack (201), a driving gear (3), an adjusting frame (4), a linkage rack A (401), a linkage rack B (402), a guide vertical rod (403), a pressure lifting frame (5), a swinging gear (501), a compression roller (6), a locking block (601) and an adjusting spring (602); compression roller (6) rotate inlay on the cross axle of lifting and pressing frame (5) bottom, and the outer end of compression roller (6) still clamps and has locking piece (601), the upper end of lifting and pressing frame (5) is rotated and is installed on two sets of supports (101), and support (101) fixed connection is in the bottom side of shell body (1), it still fixes the card and is equipped with swing gear (501) to lift the centre of pressing frame (5), and swing gear (501) and linkage rack B (402) meshing are connected, linkage rack B (402) are established in the one end outside of alignment jig (4), and alignment jig (4) slidable mounting is in the inboard of shell body (1).

2. The electric platen lifting mechanism for a printing apparatus according to claim 1, wherein: the middle of the inner side of the adjusting frame (4) is also connected with three groups of square guide vertical rods (403), and the guide vertical rods (403) downwards penetrate through the bottom side of the outer shell (1) and are arranged above the compression roller (6).

3. The electric platen lifting mechanism for a printing apparatus according to claim 1, wherein: and a linkage rack A (401) is arranged at the outer end of the other side of the adjusting frame (4), and the linkage rack A (401) is meshed with the driving gear (3).

4. The electric platen lifting mechanism for a printing apparatus according to claim 1, wherein: the driving gears (3) are provided with two groups and are respectively connected to the middle of the bottom side of the outer shell (1) in a rotating mode, a bidirectional rack (201) is further arranged between the two groups of driving gears (3) in a sliding mode, the clamping teeth on the outer side of the bidirectional rack (201) are respectively connected with the driving gears (3) in a meshing mode, and the top end of the bidirectional rack (201) is connected to the bottom side of the electric push rod (2).

5. The electric platen lifting mechanism for a printing apparatus according to claim 1, wherein: the two groups of pressure lifting frames (5) are arranged and are in an aligned inclined downward structure, the middle of a transverse shaft at the bottom end of each pressure lifting frame (5) is sleeved with an adjusting spring (602), and the adjusting spring (602) is arranged between the two groups of press rollers (6).