CN214083379U

CN214083379U - Limiting device suitable for single-concave machine

Info

Publication number: CN214083379U
Application number: CN202022766372.9U
Authority: CN
Inventors: 刘献忠; 陈正军; 冷勇; 谭旭东
Original assignee: Sichuan Kuanzhai Printing Co ltd
Current assignee: Sichuan Kuanzhai Printing Co ltd
Priority date: 2020-11-25
Filing date: 2020-11-25
Publication date: 2021-08-31
Anticipated expiration: 2030-11-25

Abstract

The utility model discloses a stop device suitable for single concave machine, relate to the machine-building technical field, it is poor to solve the controllability of paper blocking mechanism in the printing process of single concave machine, easily contradict with the printing platform application of force and cause the equipment to damage the problem, including the spacing post of fixed setting, spacing post and single concave machine paper blocking mechanism's drive shaft parallel, the terminal threaded connection of spacing post has spacing bolt, the axial lead of spacing bolt and the axial lead of spacing post are mutually perpendicular, be equipped with fastening nut on the spacing bolt, the terminal fixed connection of spacing bolt has the stopper, still include the locating piece that corresponds with the stopper and can laminate with the stopper and support tightly, the locating piece fixed connection is along with the synchronous rotation of drive shaft on the axial plane of drive shaft; the utility model effectively avoids the abnormal collision of the paper blocking mechanism when the driving shaft rotates over an angle due to the fault of the machine table and other reasons, and reduces the maintenance cost and the waste of production time; the whole structure is simple, the material cost is low, the processing and the installation are convenient, and the practicability is strong.

Description

Limiting device suitable for single-concave machine

Technical Field

The utility model relates to a machine-building technical field, concretely relates to stop device suitable for single concave machine.

Background

The gravure printing refers to gravure printing, patterns and characters to be printed are recessed on a printing plate, ink on a non-printing surface of the printing plate is scraped clean during printing, then a rubber roller on a printing machine is used for applying proper pressure to a printed object on the printing plate, and the ink is extruded to the printed object from the interior of the recessed surface, so that the purpose of printing is achieved. The printing machine using the gravure printing is a gravure printing machine, and the type of the gravure printing machine is classified into a sheet gravure printing machine and a web gravure printing machine according to the difference of the used paper, and the sheet gravure printing machine is also called a single gravure printing machine.

The single concave machine is in a single paper printing mode when printing, a single paper is conveyed to a printing station through the paper conveying mechanism and then is stopped for printing, and then the next paper is conveyed.

Its paper blocking mechanism mainly includes the drive shaft, the drive shaft drives the paper blocking front end positive and negative rotation rather than being connected, make the paper blocking front end repeated fall and lift up the action, realize paper blocking and the defeated paper operation that resets, what the paper blocking front end lifted up and fell down realizes through the positive and negative rotation angle of control drive shaft, however, in the practical application process, motor drive shaft is rotatory when breaking down or increase the back along with operating duration and accumulative error, can cause paper blocking mechanism and platform application of force contact because practical rotation angle increases, thereby lead to the damage of paper blocking mechanism and printing platform different degree, influence the normal operating of board, the equipment maintenance is frequent, maintenance cost is high, and there is certain potential safety hazard.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a: in order to solve the poor, easy conflict and cause equipment damage problem with the printing platform application of force of single concave quick-witted printing in-process fender paper mechanism controllability, the utility model provides a stop device who avoids keeping off excessive whereabouts of paper mechanism suitable for single concave machine.

The utility model discloses a realize above-mentioned purpose and specifically adopt following technical scheme: the utility model provides a stop device suitable for single concave machine, includes the fixed spacing post that sets up, spacing post parallels with the drive shaft that single concave machine kept off paper mechanism, the terminal threaded connection of spacing post has spacing bolt, the axial lead of spacing bolt and the axial lead mutually perpendicular of spacing post, be equipped with fastening nut on the spacing bolt, the terminal fixedly connected with stopper of spacing bolt still includes corresponding and can support tight locating piece with the stopper laminating, locating piece fixed connection is along with the drive shaft synchronous revolution on the axial plane of drive shaft.

Preferably, the cross-sectional area of the positioning block is a right trapezoid, the bottom surface of the positioning block is in full-contact fixed connection with the axial surface of the driving shaft, and the plane where the high side of the positioning block is located corresponds to the limiting block.

Preferably, the opposite side surfaces of the limiting bolts connected with the limiting blocks correspond to the positioning blocks.

Preferably, one end of the limiting column, which is far away from the limiting bolt, is fixedly connected with a fastening disc, the diameter of which is larger than that of the limiting column, and the fastening disc is fixedly connected with the fixing surface through a bolt.

Preferably, the fastening disc is fixedly connected with the inner wall of the single concave machine through threads.

The utility model has the advantages as follows:

1. the utility model discloses set up spacing post, through spacing bolted connection stopper on the spacing post, be equipped with the locating piece in the drive shaft of paper blocking mechanism, the drive shaft is rotatory to drive the locating piece synchronous revolution, after the drive shaft rotated to preset angle, the locating piece contacted with the stopper, the stopper supported the locating piece, thereby prevent the drive shaft to continue inertial rotation, play mechanical limiting displacement to the rotation of rotating shaft, thereby avoid paper blocking mechanism application of force to contact, the steady operation of maintenance of equipment avoids the frequent damage of relevant functional component, effectively reduce maintenance cost and production time waste; the utility model has simple integral structure, low material cost, convenient processing and installation and strong practicability;

2. the utility model discloses a stopper is fixed to the screw rod, and the setting of screw rod can satisfy that the extension length of stopper is adjustable in certain extent, reduces spacing post installation accuracy requirement, ensures that the relative position of stopper and locating piece is certain, and it is convenient to further guarantee the installation and debugging of device;

3. the utility model discloses a cross-sectional area of locating piece is right trapezoid, the bottom surface of locating piece and the full contact fixed connection of axial plane of drive shaft, and the locating piece is big with the axial plane fixed area of drive shaft contact, effectively guarantees the stability of whole locating piece, further guarantees stop device limit function's stability.

4. The utility model discloses the opposite side that spacing bolt was connected to the stopper is corresponding with the locating piece for the atress of stopper is in the opposite direction effect with the support, has guaranteed the rigidity of stopper.

5. The utility model discloses spacing bolt was kept away from to spacing post one end fixedly connected with diameter is greater than the fastening disc of spacing post diameter, and the fastening disc passes through bolt fixed connection with the stationary plane, effectively improves the contact and the fixed area of spacing post and stationary plane, improves the rigidity of spacing post, effectively reduces the risk that spacing post atress was bent.

Drawings

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

fig. 2 is a right side view of fig. 1.

Description of the drawings: 1-fastening disc, 2-limiting column, 3-fastening nut, 4-limiting bolt, 5-limiting block, 6-positioning block and 7-driving shaft.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures. Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.

In the description of the embodiments of the present invention, it should be noted that the terms "inside", "outside", "up", and the like indicate the directions or positional relationships based on the directions or positional relationships shown in the drawings, or the directions or positional relationships that the products of the present invention are conventionally placed when used, and are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the device or element to which the term refers must have a specific direction, be constructed and operated in a specific direction, and thus, should not be construed as limiting the present invention.

Example 1

As shown in fig. 1 and fig. 2, the limiting device suitable for the single concave machine provided in this embodiment includes a fixedly disposed limiting post 2, the limiting post 2 is parallel to the driving shaft 7 of the paper stop mechanism of the single concave machine, in practical application, the limiting post 2 is fixed beside the driving shaft according to the situation of the actual machine and the preset limiting position of the rotation angle of the driving shaft, in this embodiment, the limiting post 2 is fixed on the installation surface of the driving shaft. The end of spacing post 2 is equipped with screw hole threaded connection and has spacing bolt 4, the axial lead of spacing bolt 4 and the axial lead mutually perpendicular of spacing post 2, be equipped with fastening nut 3 on the spacing bolt 4 and be convenient for spacing bolt 4 in the position control of threaded hole and fixed, in order to adjust the extension length of spacing bolt 4 according to the size flexibility of actual installation space, reduce installation environment requirement and restriction, the terminal fixedly connected with stopper 5 of spacing bolt 4, still include corresponding and can support tight locating piece 6 with stopper 5 laminating with stopper 5, locating piece 6 fixed connection is along with drive shaft synchronous revolution on the axial plane of drive shaft 7.

The working principle is as follows: the drive shaft drives the function of keeping off paper and rising to reset in order to realize the whereabouts and keeping off paper and rising to decide the angle rotation in the positive and negative direction of keeping off paper front end, and at this in-process, the drive shaft drives the locating piece synchronous revolution, runs into board trouble or rotation error or artificial trial machine maloperation and leads to the drive shaft when the angle is rotatory, and the stopper supports tightly with the locating piece contact, and the stopper effectively prevents the drive shaft to continue to rotate, avoids keeping off paper mechanism and takes place to hit the quick-witted anomaly.

Example 2

As shown in fig. 1 and fig. 2, the present embodiment is further optimized based on embodiment 1, specifically:

the cross-sectional area of the positioning block 6 is a right trapezoid, the bottom surface of the positioning block 6 is in full-contact fixed connection with the axial surface of the driving shaft, and the plane of the high side of the positioning block 6 corresponds to the limiting block 5. Like this, the locating piece is big with the axial plane contact fixed area of drive shaft, effectively guarantees the stability of whole locating piece, further guarantees stop device limit function's stability, and the high limit place plane of locating piece is perpendicular with the drive shaft terminal surface, effectively guarantees to contact with the whole face of stopper and atress direction perpendicular to contact surface after rotatory, effectively guarantees to contact back stability.

As a preferable implementation manner of this embodiment, the opposite side surfaces of the limiting block 5 connected to the limiting bolt 4 correspond to the positioning block 6, so that the force application directions are perpendicular to the joint surfaces of the limiting block and the positioning block, and the stability of the contact force is further improved.

Example 3

As shown in fig. 1 and fig. 2, the present embodiment is further optimized based on the

embodiments

1 and 2, specifically:

spacing post 2 is kept away from the one end fixedly connected with diameter of spacing bolt 4 and is greater than the fastening disc 1 of spacing post 2 diameter, and fastening disc 1 passes through bolt fixed connection with the stationary plane. Preferably, the fastening disc 1 is fixedly connected with the inner wall of the single concave machine through threads.

The setting of fastening disc effectively improves the contact and the fixed area of spacing post and stationary plane, improves the rigidity of spacing post, effectively reduces the risk that spacing post atress was bent.

Claims

1. The utility model provides a stop device suitable for single concave machine, its characterized in that, including fixed spacing post (2) that sets up, spacing post (2) parallel with drive shaft (7) of single concave machine paper blocking mechanism, the terminal threaded connection of spacing post (2) has spacing bolt (4), the axial lead of spacing bolt (4) and the axial lead mutually perpendicular of spacing post (2), be equipped with fastening nut (3) on spacing bolt (4), the terminal fixedly connected with stopper (5) of spacing bolt (4), still include and correspond with stopper (5) and can support tight locating piece (6) with stopper (5) laminating, locating piece (6) fixed connection is along with drive shaft synchronous rotation on the axial plane of drive shaft (7).

2. The limiting device suitable for the single-concave machine is characterized in that the cross section area of the positioning block (6) is a right trapezoid, the bottom surface of the positioning block (6) is fixedly connected with the axial surface of the driving shaft (7) in a full-contact mode, and the plane of the high side of the positioning block (6) corresponds to the limiting block (5).

3. The limiting device suitable for the single-concave machine is characterized in that the limiting block (5) is connected with the opposite side surface of the limiting bolt (4) and corresponds to the positioning block (6).

4. The limiting device suitable for the single concave machine is characterized in that one end, far away from the limiting bolt (4), of the limiting column (2) is fixedly connected with a fastening disc (1) with the diameter larger than that of the limiting column (2), and the fastening disc (1) is fixedly connected with the fixing surface through the bolt.

5. The limiting device suitable for the single-groove machine is characterized in that the fastening disc (1) is fixedly connected with the inner wall of the single-groove machine in a threaded mode.