CN212887773U

CN212887773U - Hob for papermaking equipment

Info

Publication number: CN212887773U
Application number: CN202021691933.7U
Authority: CN
Inventors: 成志林
Original assignee: Nantong Tronic Electromechanical Equipment Co ltd
Current assignee: Nantong Tronic Electromechanical Equipment Co ltd
Priority date: 2020-08-13
Filing date: 2020-08-13
Publication date: 2021-04-06
Anticipated expiration: 2030-08-13

Abstract

The utility model discloses a hob for papermaking equipment, which comprises a supporting frame and a conveying component, wherein the conveying component is arranged on the supporting frame, the hob also comprises a hob component, and the front side and the rear side of the hob component are respectively connected with the conveying component; the hob assembly comprises a hob head and a spiral hob head; the middle of the spiral tool rest is provided with a central shaft; a plurality of connecting grooves are uniformly formed in the surface of the spiral knife rest; an upper tool mounting groove is formed in the surface of the spiral tool rest; a partition plate is arranged between the upper cutter mounting groove and the connecting groove; an upper knife is arranged in the upper knife mounting groove; a shaft seat is fixedly connected below the spiral tool rest; a hinged frame is hinged in the shaft seat; a fixed sleeve is arranged in the hinged frame through a screw; a bearing is arranged in the fixed sleeve; a lower cutter is arranged in the bearing. The utility model discloses not only the shearing speed is fast, the precision is high, cuts sound moreover and reduces, has reduced the rate of wear of blade, has prolonged the life of blade, avoids the paper to upwards beat simultaneously, can not cause the damage to the paper, has extensive suitability.

Description

Hob for papermaking equipment

Technical Field

The utility model relates to a hobbing cutter especially relates to a hobbing cutter for papermaking equipment.

Background

At present, in the papermaking process, a plurality of procedures are needed to be processed, wherein the paper needs to be transported, so that the paper enters each procedure. The paper cutter is a traditional product and is used for processing the paper cutting requirement at the later stage of printing. The development has progressed from a mechanic's guillotine to a tape control room guillotine to a cutting system for crisis programming, color display, full image operation guided visualization processing, and non-programming and editing production data beyond computer-assisted cutting.

The cutting precision of the paper cutting hob cutter in the market is not high at present; the cutter shaft needs to start and stop once every time the cutter shaft cuts, the high-speed shearing cannot be met due to the acceleration and deceleration time of the motor, the upper cutter and the lower cutter are in linear contact during shearing, the sound is large, and the abrasion of the blades is fast; moreover, paper is generally conveyed through a roller shaft, and the paper is easy to bounce upwards during the conveying process, which easily causes the paper to wrinkle in subsequent conveying, so that a scraper is generally arranged on the device to limit the paper from bouncing upwards, but the scraper is easy to damage the paper.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides a hob for papermaking equipment.

In order to solve the technical problem, the utility model discloses a technical scheme is: a hob for papermaking equipment comprises a support frame and a conveying assembly, wherein the conveying assembly is arranged on the support frame, the hob also comprises a hob assembly, and the front side and the rear side of the hob assembly are respectively connected with the conveying assembly; the hob assembly comprises a hob head and a spiral hob head;

the middle of the spiral tool rest is provided with a central shaft; a plurality of connecting grooves are uniformly formed in the surface of the spiral knife rest; an upper tool mounting groove is formed in the surface of the spiral tool rest; a partition plate is arranged between the upper cutter mounting groove and the connecting groove; an upper knife is arranged in the upper knife mounting groove; the upper knife is provided with a spiral blade;

a shaft seat is fixedly connected below the spiral tool rest; a hinged frame is hinged in the shaft seat; a fixed sleeve is arranged in the hinged frame through a screw; a bearing is arranged in the fixed sleeve; a lower cutter is arranged in the bearing; the lower cutter is provided with a shaft shoulder and a rotating shaft; the rotating shaft is sleeved in the bearing.

Furthermore, one end of the central shaft penetrates through the tool rest and is connected with the power device; the power device comprises a motor and a coupler, and an output shaft of the motor is connected with the central shaft through the coupler.

Furthermore, bolts are arranged in the connecting grooves in a matching manner; the bolts penetrate through the partition plate and are connected with the upper knife.

Further, the tool rest is arranged on the support frame; the knife rest is provided with a spiral knife rest.

Further, the knife rest is perpendicular to the paper feeding roller; the paper feeding roller and the paper discharging roller are parallel to each other.

Further, the conveying assembly comprises a paper feeding roller and a paper discharging roller; a hob assembly is arranged between the paper inlet roller and the paper outlet roller; the paper feeding roller and the paper discharging roller are both arranged on the support frames at the two sides of the knife rest through bearings.

Furthermore, a connecting rod is arranged on the hinged frame; the tail end of the connecting rod is fixedly connected with a handle.

The utility model discloses not only the shearing speed is fast, the precision is high, has satisfied telling the shearing, and when shearing, the upper and lower sword is the point contact moreover, and shearing sound reduces, has improved workman's operational environment, has reduced the rate of wear of blade, has prolonged the life of blade, avoids the paper to beat upwards simultaneously, can not cause the damage to the paper, has extensive suitability.

Drawings

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

In the figure: 1. a support frame; 2. a paper feeding roller; 3. a paper outlet roller; 4. a tool holder; 5. a screw tool holder; 6. a central shaft; 7. connecting grooves; 8. feeding a cutter; 9. a shaft seat; 10. a hinged frame; 11. cutting; 12. a connecting rod.

Detailed Description

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

The hob for the papermaking equipment as shown in fig. 1 comprises a support frame 1, a conveying assembly, a hob assembly and a hob assembly, wherein the conveying assembly is arranged on the support frame 1, and the front side and the rear side of the hob assembly are respectively connected with the conveying assembly; the hob assembly comprises a hob head 4 and a spiral hob head 5;

the center of the spiral tool rest 5 is provided with a central shaft 6; a plurality of connecting grooves 7 are uniformly formed in the surface of the spiral knife rest 5; bolts are arranged in the connecting grooves 7 in a matching manner; the bolts all penetrate through the partition plate to be connected with the upper knife 8. An upper tool mounting groove is formed in the surface of the spiral tool rest 5; a partition plate is arranged between the upper cutter mounting groove and the connecting groove 7; an upper knife 8 is arranged in the upper knife mounting groove; the upper knife 8 is provided with a spiral blade; the spiral blade can reduce the abrasion of the blade during shearing, thereby effectively reducing the noise.

A shaft seat 9 is fixedly connected below the spiral tool rest 5; a hinge frame 10 is hinged in the shaft seat 9; the articulated frame 10 is provided with a connecting rod 12; the end of the connecting rod 12 is fixedly connected with a handle. The handle can drive the connecting rod 12 to deflect, the connecting rod 12 drives the hinge frame 10 to deflect, and a fixing sleeve is arranged in the hinge frame 10 through a screw; a bearing is arranged in the fixed sleeve; a lower cutter 11 is arranged in the bearing; the lower cutter 11 is provided with a shaft shoulder and a rotating shaft; the rotating shaft is sleeved in the bearing. Through the cooperation of shaft shoulder and bearing, can avoid the lower sword to take place axial displacement.

One end of the central shaft 6 penetrates through the tool rest 4 to be connected with a power device; the power device comprises a motor and a coupler, and an output shaft of the motor is connected with the central shaft 6 through the coupler.

The tool rest 4 is arranged on the support frame 1; the knife rest 4 is provided with a spiral knife rest 5. At least two first auxiliary connecting posts are arranged on the support frame 1, a second auxiliary connecting post is arranged on the knife rest 4, the stability of the support frame 1 is enhanced through the first auxiliary connecting posts, the stability of the knife rest 4 is enhanced through the second auxiliary connecting posts, and the service life is prolonged. The knife rest 4 is vertical to the paper feeding roller 2; the paper feeding roller 2 and the paper discharging roller 3 are parallel to each other.

The conveying assembly comprises a paper feeding roller 2 and a paper outlet roller 3; a hob assembly is arranged between the paper feeding roller 2 and the paper outlet roller 3; the paper feeding roller 2 and the paper discharging roller 3 are both arranged on the supporting frames 1 at two sides of the knife rest 4 through bearings. The paper tape enters the shearing operation between the upper blade 8 and the lower blade 11 through the conveying of the paper feeding roller 2 and then is conveyed out through the conveying of the paper discharging roller 3.

When paper needs to be transmitted, the handle is moved upwards firstly, the handle drives the connecting rod 12 to deflect upwards, the connecting rod 12 drives the hinged frame 10 to deflect upwards, the hinged frame 10 drives the fixed sleeve to deflect upwards, the fixed sleeve drives the bearing to deflect upwards, the bearing drives the rotating shaft to deflect upwards, the rotating shaft drives the shaft shoulder to deflect upwards, the shaft shoulder drives the lower cutter 11 to deflect upwards, then the paper is placed on the transmission roller, and the paper is placed between the upper cutter 8 and the lower cutter 11, then the handle is moved downwards, the connecting rod 12 resets, the hinged frame 10 resets, the fixed sleeve resets, the bearing resets, the rotating shaft resets, the shaft shoulder resets, the lower cutter 11 resets, the paper is pressed tightly, the paper is prevented from jumping upwards, the paper cannot be wrinkled in the transmission process, and the paper cannot be damaged.

The utility model has fast shearing speed when shearing operation is carried out, effectively ensures that the production line can produce at higher speed, and greatly improves the yield; the shearing precision is high, the length of the sheared finished paper is consistent, the finished paper is stacked in a flush manner, and the loss of the finished paper on the size error is reduced due to the improvement of the shearing precision on the premise of ensuring the shortest size of the finished paper; the spiral knife rest structure is adopted, so that the upper knife and the lower knife are in point contact when the knives are sheared, the shearing sound is reduced, the working environment of workers is improved, the abrasion speed of the blades is greatly reduced by applying the spiral knife rest structure, the service life of the blades is prolonged, the replacement frequency of the blades is reduced, and the maintenance cost is saved; simultaneously can press from both sides tightly through its self gravity paper on the roller shaft, lead to the paper phenomenon of crumpling to appear in the transmission course to avoid causing the damage to the paper. In addition, the design structure is simple, the use is convenient, and the paper making machine can be widely applied to various paper making equipment.

The above embodiments are not intended to limit the present invention, and the present invention is not limited to the above examples, and the technical personnel in the technical field are in the present invention, which can also belong to the protection scope of the present invention.

Claims

1. The utility model provides a hobbing cutter for papermaking equipment, includes support frame (1), conveying assembly sets up on support frame (1), its characterized in that: the front side and the rear side of the hob assembly are respectively connected with the conveying assembly; the hob assembly comprises a hob head (4) and a spiral hob head (5);

a central shaft (6) is arranged in the middle of the spiral tool rest (5); a plurality of connecting grooves (7) are uniformly formed in the surface of the spiral knife rest (5); an upper tool mounting groove is formed in the surface of the spiral tool rest (5); a partition plate is arranged between the upper cutter mounting groove and the connecting groove (7); an upper knife (8) is arranged in the upper knife mounting groove; the upper knife (8) is provided with a spiral blade;

a shaft seat (9) is fixedly connected below the spiral tool rest (5); a hinged frame (10) is hinged in the shaft seat (9); a fixed sleeve is arranged in the hinged frame (10) through a screw; a bearing is arranged in the fixed sleeve; a lower cutter (11) is arranged in the bearing; the lower cutter (11) is provided with a shaft shoulder and a rotating shaft; the rotating shaft is sleeved in the bearing.

2. The rotary knife for a papermaking plant according to claim 1, characterized in that: one end of the central shaft (6) penetrates through the tool rest (4) to be connected with the power device; the power device comprises a motor and a coupler, and an output shaft of the motor is connected with the central shaft (6) through the coupler.

3. The rotary knife for a papermaking plant according to claim 2, characterized in that: bolts are arranged in the connecting grooves (7) in a matching manner; the bolts penetrate through the partition plate and are connected with the upper knife (8).

4. The hob for a paper production plant according to claim 3, characterized in that: the tool rest (4) is arranged on the support frame (1); the knife rest (4) is provided with a spiral knife rest (5).

5. The rotary knife for a papermaking plant according to claim 4, characterized in that: the knife rest (4) is vertical to the paper feeding roller (2); the paper feeding roller (2) and the paper discharging roller (3) are parallel to each other.

6. The rotary knife for a papermaking plant according to claim 5, characterized in that: the conveying assembly comprises a paper feeding roller (2) and a paper discharging roller (3); a hob assembly is arranged between the paper feeding roller (2) and the paper outlet roller (3); the paper feeding roller (2) and the paper discharging roller (3) are both arranged on the support frames (1) at two sides of the knife rest (4) through bearings.

7. The rotary knife for a papermaking plant according to claim 6, characterized in that: the hinged frame (10) is provided with a connecting rod (12); the tail end of the connecting rod (12) is fixedly connected with a handle.