CN213499626U

CN213499626U - Precious paper transverse paper cutting small circular cutter holder

Info

Publication number: CN213499626U
Application number: CN202022600001.3U
Authority: CN
Inventors: 何廷龙; 宋庆元; 周承刚; 陈磊; 祝磊
Original assignee: Chongqing Longjing Paper Co ltd
Current assignee: Chongqing Longjing Paper Co ltd
Priority date: 2020-11-11
Filing date: 2020-11-11
Publication date: 2021-06-22
Anticipated expiration: 2030-11-11

Abstract

A small precious paper transverse paper cutting circular knife holder comprises a knife holder body, a connecting shaft, bearings and a positioning sleeve, wherein steps are arranged on the periphery of the knife holder body to form a small circular knife mounting section, a mounting hole penetrating through the knife holder body along the axial direction is formed in the middle of the knife holder body, the mounting hole is a stepped hole, the number of the bearings is two, the two bearings are assembled in a small-diameter section of the mounting hole, a spring clamping ring is arranged in the small-diameter section of the mounting hole and matched with a hole shoulder of the mounting hole, the outer ring of the bearing is axially limited, the connecting shaft is a stepped shaft, the large-diameter section of the stepped shaft is provided with external threads, and the thread fit has two adjusting nuts, the minor diameter section of the stepped shaft passes through the inner rings of the two bearings in sequence, the locating sleeve is of a cylindrical structure with length, the cylinder opening of the cylindrical structure corresponds to the inner ring of the bearing, and a locking bolt passes through the cylinder bottom of the cylindrical structure and is in thread fit with the connecting shaft to tightly press the locating sleeve on the inner ring of the bearing. The utility model discloses simple structure, processing cost are low, and the radial strength of blade holder is high, can effectively prolong the life of little circular knife.

Description

Precious paper transverse paper cutting small circular cutter holder

Technical Field

The utility model relates to a papermaking field, in particular to horizontal cut paper small circle blade holder of precious paper.

Background

The paper making enterprise utilizes treasure paper machine to produce treasure paper. When the treasure paper machine works, the size of the roll diameter is set, and the small circular knife is used for automatically changing the roll and transversely cutting the paper. The small circle blade holder that uses at present, it is weak along radially bearing the effort, lead to the bearing, perhaps take place wearing and tearing between bearing and the blade holder mounted position, and then lead to the small circle sword life of assembly on the blade holder short, easy damage needs to change the maintenance frequently, seriously influences the production efficiency of enterprise.

Disclosure of Invention

The utility model aims at prior art not enough, provide a little circular knife seat of horizontal cut paper of precious paper, its simple structure, processing cost are low, and the radial strength of blade holder is high, can effectively prolong the life of little circular knife.

The technical scheme of the utility model is that: a precious paper transverse paper cutting small round knife holder comprises a knife holder body, a connecting shaft, a bearing and a positioning sleeve, wherein steps are arranged on the periphery of the knife holder body to form a small round knife mounting section, a mounting hole penetrating through the knife holder body in the axial direction is formed in the middle of the knife holder body, the mounting hole is a stepped hole, the number of the bearings is two, the bearings are assembled in the large diameter section of the mounting hole, a spring clamping ring is arranged in the large diameter section of the mounting hole and matched with a hole shoulder of the mounting hole to limit the outer ring of the bearing in the axial direction, the connecting shaft is a stepped shaft, external threads are arranged on the large diameter section of the stepped shaft, two adjusting nuts are matched in a threaded manner, the small diameter section of the stepped shaft sequentially penetrates through inner rings of the two bearings, the positioning sleeve is of a cylindrical structure with length, a cylinder opening of the cylindrical structure corresponds to the inner rings of the bearing, a locking bolt penetrates through the, and pressing the positioning sleeve on the inner ring of the bearing to form a small circular cutter holder.

The screw rod of locking bolt is the step shaft, is equipped with the external screw thread in the path section of this step shaft, and the screw rod of locking bolt passes the barrel head of position sleeve, and the path section of screw rod and connecting axle screw-thread fit, the path section of screw rod form radial positioning to the position sleeve.

The large-diameter section of the mounting hole is provided with an annular groove, and the spring retainer ring is mounted in the annular groove and axially positions the outer ring of the bearing.

The small-diameter section of the connecting shaft extends out of the inner ring of the bearing and does not exceed the mounting hole of the tool apron body.

Adopt above-mentioned technical scheme to have following beneficial effect:

1. the small transverse paper cutting circular cutter holder for the jewellery paper comprises a cutter holder body, a connecting shaft, a bearing and a positioning sleeve. The periphery of the cutter holder body is provided with steps to form a small circular cutter mounting section, and a small circular cutter for transversely cutting paper is mounted on the small circular cutter mounting section. The middle part of the tool apron body is provided with a mounting hole which penetrates through the tool apron body along the axial direction, and the mounting hole is a stepped hole. The bearing is two in quantity, and the assembly is equipped with the spring rand in the big footpath section of mounting hole, and the hole shoulder cooperation of mounting hole forms the axial spacing to the outer lane of bearing, promptly, these two bearings and blade holder body position relatively fixed. The connecting axle is the step shaft, is equipped with the external screw thread on the big footpath section of step shaft, and screw-thread fit has two adjusting nut, and the big footpath section of connecting axle is used for linking to each other with precious paper machine's removal base, through adjusting nut latched position, and accessible control connecting axle and removal base's screw-thread fit length, realizes the purpose of the overhanging length of adjustment connecting axle. The small-diameter section of the stepped shaft sequentially penetrates through the inner rings of the two bearings, so that the tool apron body is rotatably supported on the connecting shaft through two points, the radial bearing strength of the tool apron body is effectively improved, the load of the bearings is reduced, and the service life of a small circular knife arranged on the tool apron body is prolonged. The position sleeve is the tubular structure that has length, the nozzle of tubular structure is corresponding with the inner circle of bearing, a locking bolt passes the bobbin base of tubular structure, with connecting axle screw-thread fit, compress tightly the position sleeve in the inner circle of bearing, the combination constitutes small circle blade holder, that is, the inner circle of two bearings passes through the position sleeve axial and compresses tightly on the connecting axle, guarantee the connection stability between blade holder body and the connecting axle, and the tubular structure of position sleeve for having length, adaptable connecting axle path segment length is because of the unmatched problem of machining error and bearing inner circle width, effectively satisfy the actual assembly demand of enterprise.

2. The screw rod of locking bolt is the step shaft, is equipped with the external screw thread in the path section of this step shaft, and the screw rod of locking bolt passes the barrel head of position sleeve, and the path section and the connecting axle screw-thread fit of screw rod, the big footpath section of screw rod form radial positioning to the position sleeve, guarantee the concentricity of position sleeve and bearing inner circle, and then effectively guarantee the axial spacing intensity of position sleeve to the bearing inner circle.

3. The small diameter section of the connecting shaft extends out of the inner ring of the bearing and does not exceed the mounting hole of the tool apron body, so that the small diameter section of the connecting shaft extends into the cylinder opening of the positioning sleeve to form radial limiting on the cylinder opening of the positioning sleeve, the axial limiting strength of the positioning sleeve on the inner ring of the bearing is further ensured, and meanwhile, the protruding height of the positioning sleeve can be reduced as much as possible.

The following further description is made with reference to the accompanying drawings and detailed description.

Drawings

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

fig. 2 is a sectional view of the tool holder body of the present invention.

In the attached drawing, 1 is a tool apron body, 11 is a small circular cutter mounting section, 12 is a mounting hole, 13 is a ring groove, 2 is a connecting shaft, 3 is a bearing, 4 is a positioning sleeve, 5 is a spring retainer ring, and 6 is a locking bolt.

Detailed Description

The utility model discloses in, do not mark installation, the conventional installation of the general adoption chemical industry field of specific installation, connected mode or install, connect according to the guide suggestion of producer.

Referring to fig. 1 and fig. 2, a specific embodiment of a small precious paper transverse cutting circular knife holder is shown. The small transverse paper cutting circular cutter holder for the jewellery paper comprises a cutter holder body 1, a connecting shaft 2, a bearing 3 and a positioning sleeve 4. The periphery of blade holder body 1 is equipped with the step, forms little circular knife installation section 11, and is specific, still is equipped with the installation annular in the one end of the step is kept away from to the periphery of blade holder body for the assembly takes the hook spring. The middle part of blade holder body 1 is equipped with along the mounting hole 12 that the axial runs through, mounting hole 12 is the shoulder hole, and is concrete, and the path section of mounting hole is located the left end, and the path section of mounting hole is located the right-hand member. The bearing 3 is two in quantity, and the assembly is equipped with spring rand 5 in the big footpath section of mounting hole 12, and with the cooperation of the hole shoulder of mounting hole 12, it is spacing to form the axial to the outer lane of bearing 3, in this embodiment, is equipped with annular 13 in the big footpath section of mounting hole 12, spring rand 5 is installed in annular 13, forms axial positioning to the outer lane of bearing 3. Connecting axle 2 is the step shaft, is equipped with the external screw thread on the big footpath section of step shaft, and screw-thread fit has two adjusting nut, turns right from a left side in the path section of step shaft, passes the inner circle of two bearings 3 in proper order, and is concrete, and the path section stretches out the inner circle of bearing 3 outward, and does not surpass the mounting hole 12 of blade holder body 1. The utility model discloses a bearing, including the connecting axle 3, the connecting axle 2, the position sleeve 4, the cylinder mouth of cylindric structure and the inner circle of bearing 3 are corresponding, a locking bolt 6 passes the bobbin base of cylindric structure, with 2 screw-thread fit of connecting axle, compress tightly position sleeve 4 on the inner circle of bearing 3, the combination constitutes little circular knife seat, in this embodiment, the screw rod of locking bolt 6 is the step shaft, be equipped with the external screw thread on the path section of this step shaft, the screw rod of locking bolt 6 passes the bobbin base of position sleeve 4, the path section and the 2 screw-thread fit of connecting axle of screw rod, the major diameter section of screw rod forms radial positioning to position sleeve.

The utility model discloses a big footpath section of connecting axle passes through screw-thread fit and is connected with precious paper machine's removal base, and through adjustment and removal base's screw-thread fit length, controls the concrete position of blade holder body, then utilizes two adjusting nut locks. The small circular knife is installed on the small circular knife installation section of the knife holder body, and the hook spring is assembled on the small circular knife installation section to complete assembly operation.

Claims

1. The utility model provides a precious paper horizontal cut paper small circle blade holder which characterized in that: comprises a knife holder body (1), a connecting shaft (2), a bearing (3) and a positioning sleeve (4),

the periphery of the tool apron body (1) is provided with steps to form a small circular knife mounting section (11), the middle part of the tool apron body (1) is provided with a mounting hole (12) which penetrates through along the axial direction, the mounting hole (12) is a stepped hole,

the two bearings (3) are assembled in the large-diameter section of the mounting hole (12), the spring clamping ring (5) is arranged in the large-diameter section of the mounting hole (12) and matched with the hole shoulder of the mounting hole (12) to axially limit the outer ring of the bearing (3),

the connecting shaft (2) is a stepped shaft, the large-diameter section of the stepped shaft is provided with external threads, the external threads are matched with two adjusting nuts, the small-diameter section of the stepped shaft sequentially passes through the inner rings of the two bearings (3),

the positioning sleeve (4) is of a cylindrical structure with a length, a cylinder opening of the cylindrical structure corresponds to an inner ring of the bearing (3), and a locking bolt (6) penetrates through the cylinder bottom of the cylindrical structure and is in threaded fit with the connecting shaft (2) to tightly press the positioning sleeve (4) on the inner ring of the bearing (3) to form a small circular knife holder in a combined mode.

2. The small precious paper transverse cutting circular cutter holder according to claim 1, characterized in that: the screw rod of locking bolt (6) is the step shaft, is equipped with the external screw thread in the path section of this step shaft, and the screw rod of locking bolt (6) passes the barrel head of position sleeve (4), and the path section and connecting axle (2) screw-thread fit of screw rod, the path section of screw rod form radial location to position sleeve (4).

3. The small precious paper transverse cutting circular cutter holder according to claim 1, characterized in that: be equipped with annular (13) in the major diameter section of mounting hole (12), install in annular (13) spring rand (5), form axial positioning to the outer lane of bearing (3).

4. The small precious paper transverse cutting circular cutter holder according to claim 1, characterized in that: the small-diameter section of the connecting shaft (2) extends out of the inner ring of the bearing (3) and does not exceed the mounting hole (12) of the tool apron body (1).