CN211567090U

CN211567090U - Die-cutting knife roller axial accurate positioning mechanism of corrugated board forming machine

Info

Publication number: CN211567090U
Application number: CN201922200414.XU
Authority: CN
Inventors: 周龙; 韩晓东; 卢波; 陈明跃; 黄畅
Original assignee: Wuhan Baizhida Technology Co ltd
Current assignee: Wuhan Baizhida Technology Co ltd
Priority date: 2019-12-10
Filing date: 2019-12-10
Publication date: 2020-09-25
Anticipated expiration: 2029-12-10

Abstract

The utility model discloses a die-cutting knife roller axial accurate positioning mechanism of corrugated container board make-up machine relates to corrugated container board processing technology field. The die-cutting device comprises a transmission mechanism and a limiting mechanism, wherein the transmission mechanism is used for driving and adjusting the position of a die-cutting knife roller; the limiting mechanism plays a role in protecting the die-cutting knife roller during moving. Drive mechanism passes through each drive assembly drive the mould cutter roller axial removes in the certain limit, plays the effect at the axial displacement that makes the mould cutter roller, through stop gear limits the both ends extreme position of mould cutter roller, plays the guard action to mould cutter roller and subassembly, compares in the mould cutter roller among the prior art, the utility model relates to a structure has that positioning accuracy is high, and response speed is fast, a plurality of advantages of used repeatedly the good reliability.

Description

Die-cutting knife roller axial accurate positioning mechanism of corrugated board forming machine

Technical Field

The utility model belongs to the technical field of corrugated container board processing, concretely relates to die-cutting knife roller axial accurate positioning mechanism of corrugated container board make-up machine.

Background

In the packaging material industry, corrugated cartons used for the outer packaging of small and medium commodities are manufactured in various processes, and the application relates to a production line of the individual foldable cartons, which is formed by printing packaging patterns and characters on the outer surface of corrugated boards and then processing the printed packaging patterns and characters by a special die-cutting slotting edge trimmer (forming machine). In this line, the main task of the die-cutting machine is to cut a set (typically three pairs and six places) of fixed-size slots in desired positions and to cut off an excess of a portion of the corners (typically two places) of the full rectangular cardboard with printed designs or characters. For a die-cutting machine which processes the long edge of a rectangular paperboard in parallel with the advancing direction of the paperboard, a die-cutting knife roller needs to be moved in the long edge direction of the paperboard, namely the direction vertical to the advancing direction of the paperboard, cutters for cutting grooves and corners are installed on the knife roller, the knife roller is positioned close to the shaft ends of two sides and symmetrically arranged, when the paperboard passes through, the die-cutting knife roller rotates, but if the radial central axis of the knife roller is not coincident with the central line of the wide edge of the paperboard, the lengths of notches cut on two sides of the paperboard by slotting are not consistent, the movement of the die-cutting knife roller in the direction vertical to the advancing direction of the paperboard needs to make the radial central axis of the knife roller coincide with the central line of the wide edge of the paperboard, so that the cutters installed on two sides of the die-cutting knife roller can adapt to the paperboards with different sizes, and further cut the paperboard with the symmetric sizes on two sides and the corners, so as to ensure that the paper board forms a required cuboid (or cube) shape after being folded into a paper box.

Therefore, a mechanical device capable of changing the position state of the cutter on the die-cutting cutter roller back and forth along with different orders (each order has a certain number) in a production cycle is needed in the processing link, and each change needs to be completed in one step without manually checking whether the cutter is moved to a required position, namely whether the central axis is coincident with the central axis.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a die-cutting knife roller axial accurate positioning mechanism of corrugated board forming machine in order to solve the not enough of above-mentioned background existence. The problem of the current die-cutting rotor radial axis with the cardboard broadside axis coincidence that changes along with the order is solved.

The utility model adopts the technical proposal that: an axial accurate positioning mechanism for a die-cutting knife roller of a corrugated board forming machine comprises a transmission mechanism and a limiting mechanism, wherein the transmission mechanism is used for driving and adjusting the position of the die-cutting knife roller; the limiting mechanism plays a role in protecting the die-cutting knife roller during moving.

In a further preferred structure, the transmission mechanism comprises a motor, a speed reducer, a screw shaft, a screw rod disc, a sliding disc seat, a sliding disc, a rotary joint and a bearing sleeve, the screw rod disc, the sliding disc seat, the sliding disc, the rotary joint and the bearing sleeve are positioned in the sleeve seat, the motor, the speed reducer and the screw shaft are sequentially in transmission connection, an encoder is arranged at one end of the screw shaft, the screw rod disc is sleeved at the other end of the screw shaft, the sliding disc is sleeved on the sliding disc seat, the sliding disc is in threaded connection with the screw rod disc, the bearing sleeve is in threaded connection with the sliding disc seat, one end of the rotary joint penetrates through the sliding disc seat, and the other end of the rotary.

In a further preferred structure, one end of the sleeve seat is provided with a gland, and a spacer bush, a nut and a bearing are sleeved between the gland and the rotary joint.

In a further preferred structure, the screw shaft is disposed in the motor bearing housing through a bearing.

Further preferred structure, stop gear includes the recess of seting up on steel trachea and the cover barrel seat, the recess is seted up on the cover barrel seat outer wall, steel trachea one end with rotary joint is connected, and the other end passes the recess and stretches out outside the cover barrel seat.

The utility model has the advantages as follows:

the utility model discloses have simple structure, reduced unnecessary part and the fault point that probably brings. The positioning accuracy is high, and through the rotary encoder that power motor was equipped with, can realize that the repeatability is in predetermineeing the within range, and all be electric automatization operation and counterpoint, after the location, need not the manual work and come the reinspection again, has good practicality and commonality. Drive mechanism passes through each drive assembly drive the mould cutter roller axial removes in the certain limit, plays the effect at the axial displacement that makes the mould cutter roller, through stop gear limits the both ends extreme position of mould cutter roller, plays the guard action to mould cutter roller and subassembly, compares in the mould cutter roller among the prior art, the utility model relates to a structure has that positioning accuracy is high, and response speed is fast, a plurality of advantages of used repeatedly the good reliability.

Drawings

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

fig. 2 is a cross-sectional view of the present invention.

In the figure, 1-sleeve seat (1.1-groove), 2-speed reducer, 3-encoder, 4-motor, 5-steel gas pipe, 6-sliding disc, 7-screw shaft, 8-nut, 9-bearing, 10-motor bearing seat, 11-screw disc, 12-sliding disc seat, 13-rotary joint, 14-bearing sleeve and 15-motor seat plate.

Detailed Description

The invention will be further described in detail with reference to the drawings and the following detailed description, which are provided for the purpose of clearly understanding the invention and are not intended to limit the invention.

As shown in fig. 1-2, the utility model comprises a transmission mechanism and a limiting mechanism, wherein the transmission mechanism is used for driving and adjusting the position of the die-cutting knife roller; the limiting mechanism plays a role in protecting the die-cutting knife roller during moving.

In the above technical solution, as shown in fig. 2, the transmission mechanism includes a motor 4, a speed reducer 2, a screw shaft 7, and a screw disc 11, a sliding disc seat 12, a sliding disc 6, a rotary joint 13 and a bearing sleeve 14 which are located inside the sleeve seat 1, the motor 4, the speed reducer 2 and the screw shaft 7 are sequentially connected in a transmission manner, one end of the screw shaft 7 is provided with an encoder 3, the screw disc 11 is sleeved on the other end of the screw shaft 7, the sliding disc 6 is sleeved on the sliding disc seat 12, the sliding disc 6 is screwed with the screw disc 11, the bearing sleeve 14 is screwed with the sliding disc seat 12, one end of the rotary joint 13 penetrates through the sliding disc seat 12, and the other end is connected with a connection shaft head (not shown in the drawing) at a roller end of the die cutter.

In the above technical solution, a gland is provided at one end of the sleeve holder 1, and a spacer, a nut, and a bearing (not shown in the figure) are sleeved between the gland and the rotary joint 13.

In the above technical solution, the screw shaft 7 is disposed in the motor bearing seat 10 through the bearing 9.

In the above technical scheme, stop gear includes recess 1.1 of seting up on steel trachea 5 and the cover cylinder seat 1, recess 1.1 is seted up on the cover cylinder seat 1 outer wall, 5 one end of steel trachea with rotary joint 13 is connected, and the other end passes recess 1.1 and stretches out outside cover cylinder seat 1.

The utility model discloses a theory of operation: the motor 4 outputs power to the speed reducer 2 to indirectly drive the screw shaft 7 to rotate, the bearing 9 is sleeved between the motor bearing seat 10 and the screw shaft 7, when the screw shaft 7 rotates, the motor bearing seat 10 keeps still, the motor 4 and the screw shaft 7 keep still under the fixation of the motor seat plate 15, the screw rod disc 11 is driven by the screw shaft 7 to axially move to indirectly push the sliding disc seat 12, the sliding disc 6, the bearing sleeve 14 and the rotary joint 13 to axially move towards one side of the die cutting knife roller, when the motor 4 rotates reversely, the screw shaft 7 reversely rotates to indirectly drive the screw rod disc 11 and the sliding disc 6 to reversely move, and the sliding disc 6 drives the sliding disc seat 12, the bearing sleeve 14 and the rotary joint 13 to reversely move to complete the axial movement towards one side of the motor 4, and an encoder 3 is arranged at one end of the screw shaft 7, and the moving distance of the axial positioning mechanism is detected by calculating the moving distance of the cutter roller in advance according to the parameters input by the order, so that the radial central axis of the cutter roller is overlapped with the central line of the wide edge of the paperboard, and the accurate positioning is completed. The limiting mechanism comprises a steel air pipe 5 and a groove 1.1 on the sleeve seat 1. The steel gas pipe 5 with rotary joint 13 links to each other, steel gas pipe 5 passes recess 1.1 and places, and drive mechanism is in the motion process, and when reaching axial extreme position, sleeve barrel 1 supports steel gas pipe 5 prevents to continue to move, accomplishes spacing guard action.

Those not described in detail in this specification are within the skill of the art.

Claims

1. The utility model provides a die-cutting rotor axial accurate positioning mechanism of corrugated container board make-up machine which characterized in that: the die-cutting device comprises a transmission mechanism and a limiting mechanism, wherein the transmission mechanism is used for driving and adjusting the position of a die-cutting knife roller; the limiting mechanism plays a role in protecting the die-cutting knife roller during moving.

2. The axial accurate positioning mechanism for the die-cutting knife roller of a corrugated board forming machine according to claim 1, which is characterized in that: the transmission mechanism comprises a motor (4), a speed reducer (2), a screw rod shaft (7), a screw rod disc (11), a sliding disc seat (12), a sliding disc (6), a rotary joint (13) and a bearing sleeve (14), wherein the screw rod disc, the sliding disc seat (12), the sliding disc (6), the rotary joint and the bearing sleeve are positioned in the sleeve seat (1); the motor (4), the speed reducer (2) and the screw shaft (7) are sequentially connected in a transmission manner, an encoder (3) is installed at one end of the screw shaft (7), the screw disc (11) is sleeved on the other end of the screw shaft (7), the sliding disc (6) is sleeved on the sliding disc seat (12), the sliding disc (6) is in threaded connection with the screw disc (11), the bearing sleeve (14) is in threaded connection with the sliding disc seat (12), one end of the rotary joint (13) penetrates through the sliding disc seat (12), and the other end of the rotary joint is connected with a connecting shaft head at the roller end of the die-cutting knife.

3. The axial accurate positioning mechanism for the die-cutting knife roller of a corrugated board forming machine according to claim 2, characterized in that: one end of the sleeve seat (1) is provided with a gland, and a spacer sleeve, a nut and a bearing are sleeved between the gland and the rotary joint (13).

4. The axial accurate positioning mechanism for the die-cutting knife roller of a corrugated board forming machine according to claim 2, characterized in that: the screw shaft (7) is arranged in the motor bearing seat (10) through a bearing (9).

5. The axial accurate positioning mechanism for the die-cutting knife roller of a corrugated board forming machine according to claim 2, characterized in that: limiting mechanism includes recess (1.1) of seting up on steel trachea (5) and cover barrel seat (1), recess (1.1) are seted up on cover barrel seat (1) outer wall, steel trachea (5) one end with rotary joint (13) are connected, and the other end passes recess (1.1) and stretches out outside cover barrel seat (1).