CN218699211U

CN218699211U - Cutter lifting mechanism

Info

Publication number: CN218699211U
Application number: CN202122977786.0U
Authority: CN
Inventors: 石颖; 赵建强; 马骁; 刘承亮; 张万祥
Original assignee: Beijing Naura New Energy Lithium Battery Equipment Technology Co ltd
Current assignee: Beijing Naura New Energy Lithium Battery Equipment Technology Co ltd
Priority date: 2021-11-27
Filing date: 2021-11-27
Publication date: 2023-03-24
Anticipated expiration: 2031-11-27

Abstract

The application discloses a cutter lifting mechanism, which relates to the technical field of casting machines and comprises a rotating shaft which is rotatably connected to a rack, wherein an upper cutter shaft is connected to the rotating shaft, and the axial direction of the rotating shaft is parallel to the axial direction of the upper cutter shaft; threaded connection has the rotation cover on the one end outer wall of axis of rotation, rotate the cover and rotate and connect in the frame, go up arbor and last cutter superimposed gravity mutually and be greater than the frictional force between rotation cover and the axis of rotation, just it is used for the drive to rotate the cover and rotates and overlap together pivoted driving piece to rotate to sheathe in to rotate, be provided with the butt portion that supplies the driving piece butt on the one end outer wall of axis of rotation. This application can improve the life of cutter.

Description

Cutter lifting mechanism

Technical Field

The application relates to the technical field of casting machines, in particular to a cutter lifting mechanism.

Background

The casting machine is a film processing device, in the process of film production and preparation, slurry is firstly coated on a base band, a film is prepared through drying and curing, then a cutter set is used for cutting the film into required width, and then the film is collected into a material roll for the next working procedure.

Referring to fig. 1, a cutter set in the related art includes a frame (not shown in the figure), the frame is of a hollow structure, a space in the frame is used for a film to pass through, an upper cutter shaft 2 and a lower cutter shaft 3 which are parallel to each other are installed in the space of the frame, a plurality of upper cutters 4 are arranged on the upper cutter shaft 2, a plurality of lower cutters 5 which are engaged with the upper cutters 4 are arranged on the lower cutter shaft 3, that is, the lower ends of the upper cutters 4 abut against the upper ends of the lower cutters 5. Before slitting, the upper cutter shaft 2 needs to drive the upper cutter 4 to be lifted, the upper cutter shaft 2 is put down after the film passes through the upper cutter 4 and the lower cutter 5, so that the upper cutter 4 is meshed with the lower cutter 5, and the film is slit into a plurality of strips.

However, in the process of lifting the upper cutter 4, the upper cutter 4 and the lower cutter 5 are easy to collide, so that the service life of the cutter is influenced, and the cutter needs to be polished after being cut for a period of time, which causes certain cost.

SUMMERY OF THE UTILITY MODEL

In order to improve the life of cutter, this application provides a cutter lifts up mechanism.

The application provides a cutter lifts up mechanism adopts following technical scheme:

a cutter lifting mechanism comprises a rotating shaft which is rotatably connected to a rack, an upper cutter shaft is connected to the rotating shaft, and the axial direction of the rotating shaft is parallel to the axial direction of the upper cutter shaft; threaded connection has the rotation cover on the one end outer wall of axis of rotation, rotate the cover and rotate and connect in the frame, go up arbor and last cutter superimposed gravity mutually and be greater than the frictional force between rotation cover and the axis of rotation, just it is used for the drive to rotate the cover and rotates and overlap together pivoted driving piece to rotate to sheathe in to rotate, be provided with the butt portion that supplies the driving piece butt on the one end outer wall of axis of rotation.

By adopting the technical scheme, the rotating driving piece drives the rotating sleeve to rotate, the rotating sleeve is rotationally connected to the rack, so that the rotating sleeve cannot move along the axis direction of the rotating shaft, and the gravity of the superposition of the upper cutter shaft and the upper cutter is greater than the friction force between the rotating sleeve and the rotating shaft, so that the rotating shaft cannot rotate along with the rotating sleeve but moves along the axis direction of the rotating shaft in a threaded manner, and drives the upper cutter shaft to move together, so that the rotating shaft can drive the upper cutter to horizontally move to be separated from the meshing state with the lower cutter; when the axis of rotation rotates to on driving piece butt to butt portion, continue to rotate the driving piece and can drive butt portion and together rotate to the arbor lifts up and keeps away from down the arbor in the drive, makes and goes up the cutter and can break away from and down the meshing state of cutter after, lifts up the operation again, thereby makes and goes up the cutter and is difficult for taking place to collide with lower cutter at the in-process that lifts up, thereby can improve the life of cutter.

Optionally, the driving member includes a long handle disposed on the rotating sleeve.

Through adopting above-mentioned technical scheme, long handle conveniently rotates the rotating sleeve, and according to lever principle, long handle is more laborsaving.

Optionally, the driving member further includes a pin disposed on the long handle for abutting against the abutting portion.

Through adopting above-mentioned technical scheme, long handle drives the pin butt back on butt portion, and long handle continues to rotate and to make the pin rotate with long handle together to drive the axis of rotation and rotate together.

Optionally, be provided with in the frame and be used for supplying the installation department that the axis of rotation wore to establish, it is protruding to be provided with the ring that extends to the rotating sleeve on the installation department, it is used for supplying the protruding pivoted recess of ring to sheathe in to rotate.

Through adopting above-mentioned technical scheme, the cover rotates through the protruding cooperation with the recess of ring and connects on the installation department to make the protruding rotation of ring connect in the frame, and can not remove along the horizontal direction.

Optionally, the installation department internal rotation is connected with the sleeve that supplies the axis of rotation slip to wear to establish, be provided with the guide block that extends to the axis of rotation on the sleeve, be provided with the guide way that supplies the guide block to move along axis of rotation direction in the axis of rotation.

By adopting the technical scheme, when the rotating shaft moves along the axis direction, the guide block is driven to move in the guide groove, so that the rotating shaft can be guided by the cooperation of the guide block and the guide groove; when the rotating shaft rotates around the axis, the matching of the guide block and the guide groove enables the rotating shaft to drive the sleeve to rotate in the installation part together, and therefore the rotating shaft is enabled to rotate more stably.

Optionally, an oilless bushing attached to the outer wall of the rotating shaft is arranged on the sleeve.

Through adopting above-mentioned technical scheme, vibration and noise, to the axial displacement of axis of rotation when oilless bush can reduce the axis of rotation motion lead to the axis of rotation protects.

Optionally, a bearing sleeved on the outer wall of the sleeve is arranged in the mounting portion.

Through adopting above-mentioned technical scheme, the bearing makes the sleeve rotate to be connected in the installation department to it is more smooth and easy when making sleeve and axis of rotation rotate.

Optionally, a limit shaft for abutting the long handle is arranged on the rack, and the limit shaft is located on one side, away from the abutting portion, of the long handle.

Through adopting above-mentioned technical scheme, spacing axle makes long handle be difficult for rotating to the one side of keeping away from butt portion to make long handle be difficult for driving the epaxial upward motion of cutter to the direction that is close to down the cutter of last cutter on the arbor, thereby can improve long handle's stability.

In summary, the present application includes at least one of the following advantages:

the long handle drives the rotating sleeve to rotate, so that the rotating shaft rotates along the axis direction of the rotating shaft, the upper cutter leaves the lower cutter along the axis direction of the upper cutter shaft before the upper cutter shaft is lifted, the upper cutter is not easy to collide with the lower cutter in the lifting process of the upper cutter shaft, and the service life of the cutter can be prolonged; when the long handle rotates to the state that the pin is abutted against the abutting part, the long handle continuously rotates to drive the rotating shaft to rotate together, so that the upper cutter shaft is driven to be lifted.

Drawings

FIG. 1 is a schematic structural view of the present related art;

FIG. 2 is a schematic structural diagram of the present embodiment;

FIG. 3 isbase:Sub>A schematic view of the horizontal cross-section A-A of FIG. 2;

fig. 4 is a schematic structural view showing a guide block and a guide groove.

Description of reference numerals: 1. a frame; 2. an upper cutter shaft; 3. a lower cutter shaft; 4. an upper cutter; 5. a lower cutter; 6. a rotating shaft; 7. connecting blocks; 8. rotating the sleeve; 9. a drive member; 91. a long handle; 92. a pin; 10. an abutting portion; 101. briquetting; 11. an installation part; 111. a bearing seat; 112. an end cap; 12. an assembly chamber; 13. the ring is convex; 14. a groove; 15. a sleeve; 16. a guide block; 17. a guide groove; 18. assembling a groove; 19. an oilless bushing; 20. a bearing; 21. and a limiting shaft.

Detailed Description

The present application is described in further detail below with reference to figures 2-4.

The embodiment of the application discloses cutter lifts up mechanism. Referring to fig. 2, the cutter includes an upper cutter shaft 2 installed on the frame 1, a lower cutter shaft 3 having two ends respectively installed on two sides of the frame 1 is provided below the upper cutter shaft 2, a plurality of upper cutters 4 are distributed on the upper cutter shaft 2 in an array manner along the axial direction of the upper cutter shaft 2, and a plurality of lower cutters 5 which are in one-to-one correspondence with and engaged with the upper cutters 4 are distributed on the lower cutter shaft 3 in an array manner along the axial direction of the lower cutter shaft 3.

Referring to fig. 2 and 3, the cutter lifting mechanism includes a rotating shaft 6 horizontally slidably inserted through the frame 1, the axis direction of the rotating shaft 6 is parallel to the axis direction of the lower cutter shaft 3, two ends of the rotating shaft 6 are respectively provided with a portion extending out of two sides of the frame 1, and the rotating shaft 6 can rotate around the axis of the rotating shaft 6 on the frame. Two connecting blocks 7 are fixedly connected to the outer wall of the rotating shaft 6 along the axial direction of the rotating shaft 6, and a certain gap is reserved between each connecting block 7 and the inner wall of the adjacent rack 1; the two ends of the upper cutter shaft 2 are respectively connected with one end of the two connecting blocks 7 far away from the rotating shaft 6, so that the rotating shaft 6 can drive the upper cutter shaft 2 to move together when moving.

Referring to fig. 2 and 3, an installation part 11 is fixed on one side of the rack 1 far away from the upper cutter shaft 2, the installation part 11 includes a bearing seat 111 installed on the outer wall of the rack 1 through a bolt, the bearing seat 111 is coaxial with the rotating shaft 6, an assembly cavity 12 for penetrating one end of the rotating shaft 6 is formed in the bearing seat 111, and the longitudinal cross-sectional area of the assembly cavity 12 is larger than that of the rotating shaft 6; the installation department 11 still includes and installs in the end cover 112 of keeping away from frame 1 outer wall one end through the bolt in bearing frame 111, and end cover 112 is formed by half-and-half concatenation, and the one end that the axis of rotation 6 wore to establish assembly chamber 12 wears to establish end cover 112 simultaneously to extend in the direction of keeping away from end cover 112.

Referring to fig. 2 and 3, the rotating sleeve 8 is coaxially mounted on the outer wall of the rotating shaft 6 close to the end cover 112, and an internal thread in threaded fit with the outer wall of the rotating shaft 6 is arranged on the inner wall of the rotating sleeve 8. The end cover 112 is integrally provided with a ring protrusion 13 extending towards the rotating sleeve 8, the outer wall of the rotating sleeve 8 is provided with a groove 14 for the ring protrusion 13 to rotate, so that the rotating sleeve 8 is rotatably connected to the end cover 112 and cannot move along the axis direction of the rotating shaft 6, and the rotating sleeve 8 is provided with a driving piece 9 for driving the rotating sleeve 8 to rotate and rotate together with the rotating sleeve 8.

Referring to fig. 2 and 3, the driving member 9 includes a long handle 91 connected to the rotary sleeve 8 by a bolt, and a pin 92 mounted on the long handle 91 by a bolt, the long handle 91 extending in a direction away from the rotary sleeve 8. When the upper cutter 4 is engaged with the lower cutter 5, the long handle 91 is in an initial state, and the superposed gravity of the upper cutter shaft 2 and the upper cutter 4 is greater than the friction force between the rotary sleeve 8 and the rotary shaft 6, so that when the rotary sleeve 8 is driven to rotate by rotating the long handle 91, the rotary shaft 6 can move in a threaded manner along the axial direction of the rotary shaft 6, and simultaneously, the upper cutter shaft 2 is driven to horizontally move along the axial direction of the upper cutter shaft 2, so that the upper cutter 4 is disengaged from the lower cutter 5 along the horizontal direction.

Referring to fig. 2 and 3, in order to lift the material penetrating after the upper cutter 4 is disengaged from the lower cutter 5, the pin 92 extends in a direction away from the end cover 112, and the length extending direction of the pin 92 is perpendicular to the length extending direction of the long handle 91; and an abutting part 10 for abutting the pin 92 is arranged on the outer wall of the rotating shaft 6 on the same side as the rotating sleeve 8, the abutting part 10 comprises a pressing block 101 fixed at one end of the rotating shaft 6 far away from the rotating sleeve 8 through a riding bolt, and the pressing block 101 can also be welded on the rotating shaft 6.

When the upper cutter 4 and the lower cutter 5 are in an engaged state, namely when the lower end face of the upper cutter 4 is abutted against the upper end face of the lower cutter 5, a certain distance is reserved between the pressing block 101 and the rotating sleeve 8 in the axial direction of the rotating shaft 6, a certain distance is reserved between the pressing block 101 and the pin 92 in the vertical direction, and the pressing block 101 is positioned below the pin 92; rotate long handle 91 to the direction that is close to briquetting 101 for axis of rotation 6 is along axis direction screw thread movement of axis of rotation 6, thereby make go up cutter 4 break away from with cutter 5's engagement state down, when long handle 91 rotates to pin 92 butt on briquetting 101, continue to rotate long handle 91 and can drive axis of rotation 6 and rotate along axis direction of axis of rotation 6, thereby the arbor rotates around 2 axis of rotation 6 in the drive, make the orientation of going up arbor 2 to keeping away from down arbor 3 lift up.

Referring to fig. 2 and 3, in order to improve the stability of the rotating shaft 6 during rotation, a bearing 20 coaxially sleeved on the rotating shaft 6 is fixed in the bearing seat 111, and a sleeve 15 sleeved on the rotating shaft 6 is arranged between the inner wall of the bearing 20 and the outer wall of the rotating sleeve 8, so that the sleeve 15 can be rotatably connected to the bearing seat 111 through the bearing 20; the sleeve 15 is formed by half-and-half splicing and is coaxially arranged with the rotating shaft 6, and the inner diameter of the sleeve 15 is larger than the outer diameter of the rotating shaft 6, so that the rotating shaft 6 can be slidably arranged in the sleeve 15 in a penetrating manner.

Referring to fig. 3 and 4, a guide block 16 extending towards the rotating shaft 6 is fixed on the inner wall of the sleeve 15, a guide groove 17 for the guide block 16 to move is formed in the rotating shaft 6, and the length extending direction of the guide groove 17 is parallel to the axial direction of the rotating shaft 6, so that when the rotating shaft 6 moves along the axial direction, the guide block 16 can be driven to move in the guide groove 17; when the rotating shaft 6 rotates, the guide block 16 can drive the sleeve 15 to rotate in the bearing 20, so that the rotating shaft 6 can move more stably.

Referring to fig. 2 and 3, further, an assembly groove 18 is formed in the sleeve 15, an oilless bushing 19 coaxially arranged with the rotating shaft 6 is fixed in the assembly groove 18, the inner wall of the oilless bushing 19 is attached to the outer wall of the rotating shaft 6, so that when the rotating shaft 6 moves along the axial direction of the rotating shaft 6, the oilless bushing 19 can guide the rotating shaft 6, and the influence of vibration on the rotating shaft 6 is reduced.

Referring to fig. 2 and 3, the frame 1 is fixed with the spacing axle 21 that extends outward on the one side that is close to long handle 91, when last cutter 4 meshes with lower cutter 5, spacing axle 21 is located the one side that briquetting 101 was kept away from to long handle 91, and one side that briquetting 101 was kept away from to long handle 91 and spacing axle 21 looks butt, make long handle 91 can not rotate to the direction of keeping away from briquetting 101, thereby make and go up difficult upwards motion to the direction that is close to lower cutter 5 of cutter 4, the condition that takes place to collide with between cutter 4 and the lower cutter 5 is gone up in the reduction.

The implementation principle of the cutter lifting mechanism in the embodiment of the application is as follows: the long handle 91 is rotated towards the direction close to the pressing block 101 to drive the rotating sleeve 8 to rotate, so that the rotating shaft 6 moves along the axial direction of the rotating shaft 6 in a threaded manner, and the upper cutter 4 is driven to move horizontally and is separated from the meshing state with the lower cutter 5; when the long handle 91 rotates until the pin 92 abuts against the press block 101, the rotation of the long handle 91 is continued to drive the rotation shaft 6 to rotate together with the long handle 91, so that the upper cutter shaft 2 rotates in a direction away from the lower cutter shaft 3, and the upper cutter 4 is lifted.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a cutter lifts up mechanism which characterized in that: the cutter comprises a rotating shaft (6) which is rotatably connected to a rack (1), an upper cutter shaft (2) is connected to the rotating shaft (6), and the axial direction of the rotating shaft (6) is parallel to the axial direction of the upper cutter shaft (2); the rotary cutter is characterized in that a rotary sleeve (8) is connected to the outer wall of one end of the rotary shaft (6) in a threaded manner, the rotary sleeve (8) is rotatably connected to the rack (1), the gravity of the upper cutter shaft (2) and the upper cutter (4) which are superposed is greater than the friction force between the rotary sleeve (8) and the rotary shaft (6), a driving piece (9) which is used for driving the rotary sleeve (8) to rotate and rotates together with the rotary sleeve (8) is arranged on the rotary sleeve (8), and an abutting portion (10) for abutting against the driving piece (9) is arranged on the outer wall of one end of the rotary shaft (6).

2. A cutter lifting mechanism according to claim 1, wherein: the driving piece (9) comprises a long handle (91) arranged on the rotating sleeve (8).

3. A cutter lifting mechanism according to claim 2, wherein: the driving piece (9) further comprises a pin (92) which is arranged on the long handle (91) and used for being abutted to the abutting part (10).

4. A cutter lifting mechanism according to claim 1, wherein: be provided with installation department (11) that are used for supplying axis of rotation (6) to wear to establish on frame (1), be provided with protruding (13) of ring that extend to rotating sleeve (8) on installation department (11), be provided with on rotating sleeve (8) and be used for supplying protruding (13) pivoted recess (14) of ring.

5. A cutter lifting mechanism according to claim 4, wherein: the installation department (11) internal rotation is connected with and supplies axis of rotation (6) to slide sleeve (15) of wearing to establish, be provided with guide block (16) that extend to axis of rotation (6) on sleeve (15), be provided with guide way (17) that supply guide block (16) to move along axis of rotation (6) axis direction on axis of rotation (6).

6. A cutter lifting mechanism according to claim 5, wherein: an oilless bushing (19) sleeved on the outer wall of the rotating shaft (6) is arranged on the sleeve (15).

7. A cutter lifting mechanism according to claim 5, wherein: and a bearing (20) sleeved on the outer wall of the sleeve (15) is arranged in the mounting part (11).

8. A cutter lifting mechanism according to claim 2, wherein: the rack (1) is provided with a limit shaft (21) for the long handle (91) to abut against, and the limit shaft (21) is located on one side, away from the abutting part (10), of the long handle (91).