CN210709799U

CN210709799U - Hanging rack for paper feeding head

Info

Publication number: CN210709799U
Application number: CN201921756637.8U
Authority: CN
Inventors: 徐培泽
Original assignee: Zhejiang Jucheng Machinery Technology Co ltd
Current assignee: Zhejiang Jucheng Machinery Technology Co ltd
Priority date: 2019-10-19
Filing date: 2019-10-19
Publication date: 2020-06-09
Anticipated expiration: 2029-10-19

Abstract

The utility model discloses a hanging rack of a paper feeding head, which comprises a positioning component and a displacement component, wherein the positioning component comprises a hand wheel, a screw rod with the upper end fixed on the hand wheel and a fixed seat fixed with a beam of a paper feeding machine; the displacement assembly comprises an upper mounting plate, a guide pillar, a pressure spring and a lower mounting plate, the bottom of the lower mounting plate is fixedly connected with the paper conveying head, the guide pillar is inserted into a guide hole of the fixed seat, and the upper end and the lower end of the guide pillar are respectively fixed on the upper mounting plate and the lower mounting plate; the pressure spring is arranged in the blind hole of the fixed seat, and the lower end of the pressure spring is abutted against the lower mounting plate; the lower end of the screw rod passes through the threaded hole and abuts against the top surface of the fixed seat. The utility model discloses a fixing base fixed mounting is on the crossbeam of paper guide, and the hand wheel drives the screw rod rotation and makes the whole reciprocating of displacement subassembly to the regulation of position about making paper feed head carry out. The utility model discloses a pressure spring is in compression state, and it has a power of pushing down all the time, can eliminate the screw rod clearance and make the condition that the defeated paper head disappearance rocked.

Description

Hanging rack for paper feeding head

Technical Field

The utility model relates to a paper guide part especially indicates a stores pylon for adjusting paper feed head height.

Background

The paper feeder is an important part of modern offset press, and its function is to automatically, accurately and smoothly feed paper to the positioning or printing device according to a certain rule.

The height of the paper feeding head on the paper feeder is required to be adjusted according to different paper conveying requirements, and the up-down height adjustment of the paper feeding head is very critical and can influence the paper feeding efficiency and the overall working efficiency.

The patent CN202944902U discloses a vertical adjustment mechanism for a paper feeding head, which comprises a hand wheel structure, wherein the hand wheel structure is arranged on a cross bar through an adjustment seat and connected with a paper feeder, and is connected with the paper feeding head through an adjustment frame bottom plate; the hand wheel structure comprises a hand wheel, a screw rod and a supporting frame. Although the adjusting mechanism with the screw rod structure is simple in structure, the screw rod gap cannot be eliminated, the shaking of the paper conveying head is obvious during use, the stability of paper during conveying is poor, and the conveying efficiency of the paper is affected.

SUMMERY OF THE UTILITY MODEL

The utility model provides a stores pylon of paper feed head, the paper feed head that its aim at overcome prior art existence rocks easily, leads to the paper to carry unstable problem.

In order to achieve the purpose, the utility model provides a technical scheme as follows:

a paper feeding head hanging rack comprises a positioning component and a displacement component capable of being adjusted up and down, wherein the positioning component comprises a hand wheel, a screw rod and a fixed seat fixedly arranged with a cross beam of a paper feeder; the displacement assembly comprises an upper mounting plate, at least one guide post, at least one pressure spring and a lower mounting plate, the bottom of the lower mounting plate is fixedly connected with the paper conveying head, at least one vertical guide hole is formed in the fixed seat, and the guide holes simultaneously penetrate through the top surface and the bottom surface of the fixed seat; the guide posts are inserted into the corresponding guide holes, the upper ends of the guide posts are fixedly connected to the bottom surface of the upper mounting plate, and the lower ends of the guide posts are fixedly connected to the top surface of the lower mounting plate; the bottom surface of the fixed seat is provided with at least one vertical blind hole, each pressure spring is arranged in the corresponding blind hole, and the upper end of each pressure spring abuts against the bottom surface of the corresponding blind hole; the lower end of the pressure spring is abutted against the top surface of the lower mounting plate; go up the mounting panel middle part and be equipped with a screw hole, screw rod and above-mentioned screw hole threaded connection to the upper end and the hand wheel fixed connection of screw rod, the lower extreme of screw rod passes the screw hole and supports and lean on in the top surface of fixing base.

Further, the hanging rack comprises three guide columns; the fixing seat is provided with three guide holes, and the guide posts are respectively inserted into the corresponding guide holes.

Furthermore, two rolling shaft sleeves are respectively arranged between each guide post and the corresponding guide hole, and the inner side surfaces of the rolling shaft sleeves are tightly attached to the outer surfaces of the guide posts; the outer side surface of each rolling shaft sleeve is tightly attached to the inner wall of the guide hole, and the rolling shaft sleeves are respectively close to the upper end opening and the lower end opening of the corresponding guide hole. The rolling shaft sleeve can effectively prevent the guide pillar from moving.

Still further, the shape of the upper mounting plate is in an equilateral triangle; the fixed seat is cubic; the lower mounting plate is rectangular, and the upper ends of the guide pillars are connected to three corners of the upper mounting plate respectively. The three guide posts form an equilateral triangle, so that the structure is compact and more stable.

Furthermore, a circular groove is formed in the top surface of the lower mounting plate opposite to the pressure spring, and the lower end of the pressure spring is clamped into the groove. For preventing the lateral displacement of the compression spring.

Adopt the technical scheme provided by the utility model, compare with prior art, have following beneficial effect:

the utility model discloses a fixing base fixed mounting is on the crossbeam of paper guide, and the hand wheel drives the screw rod rotation and makes the whole reciprocating of displacement subassembly to the regulation of position about making paper feed head carry out. The utility model discloses a pressure spring is in compression state, and it has a power of pushing down all the time, can eliminate the screw rod clearance and make the condition that the defeated paper head disappearance rocked, and work is more stable to defeated paper efficiency is higher.

Drawings

Fig. 1 is a schematic perspective view of a hanger and a beam.

Fig. 2 is a schematic cross-sectional structure view of the hanger.

Detailed Description

For further understanding of the present invention, the present invention will be described in detail with reference to the following examples, which are provided for illustration of the present invention but are not intended to limit the scope of the present invention.

Referring to fig. 1 and 2, a hanging rack for a paper feeding head includes a positioning assembly and a displacement assembly which can be adjusted up/down.

The positioning assembly comprises a hand wheel 1, a screw rod 2 and a fixing seat 4 fixedly mounted with a cross beam 3 of the paper feeder. The upper ends of the hand wheel 1 and the screw rod 2 are fixedly connected, and the screw rod 2 can be driven to synchronously rotate by the rotation of the hand wheel 1. As can be seen from fig. 1, the fixing base 4 has a cubic shape and has four side walls, each of which is provided with a mounting hole through which the fixing base can be fixedly mounted with the cross beam 3. In practical use, corresponding side walls can be selected as assembling surfaces matched with the cross beams 3 according to requirements, the number of the cross beams 3 is not determined, the number of the cross beams can be one or more than one in the embodiment, and the adjustment is flexibly carried out according to actual requirements.

The displacement assembly comprises an upper mounting plate 5, three vertical guide posts 6, a pressure spring 7 and a lower mounting plate 8, the bottom of which is fixedly connected with a paper feeding head (not shown in the figure). The upper mounting plate 5 of the present embodiment is shaped as an equilateral triangle; the lower mounting plate 8 is rectangular in shape.

Go up mounting panel 5 middle part and be equipped with a screw hole 51, screw rod 2 and above-mentioned screw hole 51 threaded connection to the upper end and the hand wheel 1 fixed connection of screw rod 2, the lower extreme of screw rod 2 passes screw hole 51 and supports by in the top surface of fixing base 4.

Referring to fig. 2, three vertical guide holes 41 are formed in the fixing base 4, the guide holes 41 simultaneously penetrate through the top surface and the bottom surface of the fixing base 4, and the three guide holes 41 form an equilateral triangle. Each guide post 6 is inserted into the corresponding guide hole 41, the upper end of each guide post 6 is fixedly connected to the bottom surface of the upper mounting plate 5, and the lower end of each guide post 6 is fixedly connected to the top surface of the lower mounting plate 8. In this embodiment, the upper ends of the guide posts 6 are connected to three corners of the upper mounting plate 5, respectively. The bottom surface of the fixed seat 4 is provided with at least one vertical blind hole 42, the shape of the blind hole 42 is circular, the inner diameter of the blind hole 42 is the same as or close to the outer diameter of the compression spring 7, each compression spring 7 is arranged in the corresponding blind hole 42, and the upper end of each compression spring 7 abuts against the bottom surface of the blind hole 42; the lower end of the pressure spring 7 is abutted against the top surface of the lower mounting plate 8. Referring to fig. 2, in order to prevent the compression spring 7 from shifting laterally, a circular groove 81 is formed in the top surface of the lower mounting plate 8 opposite to the compression spring 7, and the lower end of the compression spring 7 is clamped into the groove 81.

Continuing to refer to fig. 2, two rolling shaft sleeves 9 are respectively arranged between each guide post 6 and the corresponding guide hole 41, and the inner side surfaces of the rolling shaft sleeves 9 are tightly attached to the outer surfaces of the guide posts 6; the outer side surface of each rolling shaft sleeve 9 is closely attached to the inner wall of the guide hole 41, and each rolling shaft sleeve 9 is close to the upper end opening and the lower end opening of the corresponding guide hole 41 respectively.

The utility model discloses a fixing base 4 fixed mounting is on the crossbeam 3 of paper feeder, and hand wheel 1 drives the rotation of screw rod 2 and makes the displacement subassembly wholly carry out the up/down movement to the regulation of position about making paper feed head (not drawn in the picture) carry out. The utility model discloses a pressure spring 7 is in compression state, and it has a power of pushing down all the time, can eliminate the screw rod clearance and make the defeated paper head disappearance condition of rocking, and work is more stable to defeated paper efficiency is higher.

The present invention has been described in detail with reference to the embodiments, but the description is only for the preferred embodiments of the present invention and should not be construed as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.

Claims

1. The utility model provides a stores pylon of paper feed head which characterized in that: the paper feeder comprises a positioning component and a displacement component capable of being adjusted up and down, wherein the positioning component comprises a hand wheel, a screw rod and a fixed seat fixedly mounted with a cross beam of a paper feeder; the displacement assembly comprises an upper mounting plate, at least one guide post, at least one pressure spring and a lower mounting plate, the bottom of the lower mounting plate is fixedly connected with the paper conveying head, at least one vertical guide hole is formed in the fixed seat, and the guide holes simultaneously penetrate through the top surface and the bottom surface of the fixed seat; the guide posts are inserted into the corresponding guide holes, the upper ends of the guide posts are fixedly connected to the bottom surface of the upper mounting plate, and the lower ends of the guide posts are fixedly connected to the top surface of the lower mounting plate; the bottom surface of the fixed seat is provided with at least one vertical blind hole, each pressure spring is arranged in the corresponding blind hole, and the upper end of each pressure spring abuts against the bottom surface of the corresponding blind hole; the lower end of the pressure spring is abutted against the top surface of the lower mounting plate; go up the mounting panel middle part and be equipped with a screw hole, screw rod and above-mentioned screw hole threaded connection to the upper end and the hand wheel fixed connection of screw rod, the lower extreme of screw rod passes the screw hole and supports and lean on in the top surface of fixing base.

2. A hanging rack for a paper feeding head according to claim 1, characterized in that: the hanging rack comprises three guide columns; the fixing seat is provided with three guide holes, and the guide posts are respectively inserted into the corresponding guide holes.

3. A rack for a paper feed head as claimed in claim 2, wherein: two rolling shaft sleeves are respectively arranged between each guide post and the corresponding guide hole, and the inner side surfaces of the rolling shaft sleeves are tightly attached to the outer surfaces of the guide posts; the outer side surface of each rolling shaft sleeve is tightly attached to the inner wall of the guide hole, and the rolling shaft sleeves are respectively close to the upper end opening and the lower end opening of the corresponding guide hole.

4. A hanging rack for a paper feeding head according to claim 3, characterized in that: the upper mounting plate is in an equilateral triangle shape; the fixed seat is cubic; the lower mounting plate is rectangular, and the upper ends of the guide pillars are connected to three corners of the upper mounting plate respectively.

5. A rack for a paper feed head according to any one of claims 1 to 4, characterized in that: and the top surface of the lower mounting plate opposite to the pressure spring is provided with a circular groove, and the lower end of the pressure spring is clamped in the groove.