CN213890165U

CN213890165U - Big shutdown mechanism that circles round

Info

Publication number: CN213890165U
Application number: CN202023060283.9U
Authority: CN
Inventors: 罗利华
Original assignee: Guangzhou Jingjing Machinery Equipment Co ltd
Current assignee: Guangzhou Jingjing Machinery Equipment Co ltd
Priority date: 2020-12-18
Filing date: 2020-12-18
Publication date: 2021-08-06
Anticipated expiration: 2030-12-18

Abstract

The utility model discloses a large convolution cutting mechanism, which belongs to the field of cutting equipment, can realize automatic polishing of a cutter on an eccentric cutting mechanism, and improves the production efficiency; the mechanism comprises a rotating seat, a first driving unit for driving the rotating seat to rotate by taking the middle part of the rotating seat as an axis, a cutter arranged at the edge of the rotating seat, a second driving unit for driving the cutter to rotate, and a knife stone unit arranged on the rotating seat and reciprocating along the radial direction of the cutter.

Description

Big shutdown mechanism that circles round

Technical Field

The utility model relates to a cutting equipment field, especially a shutdown mechanism circles round greatly.

Background

In the printing and packaging industry, paperboard packaging boxes are products which need to be produced in large quantities, and paper board cutting is an important process for packaging the products by the paperboard. In some small printing and packaging plants, because of cost consideration, manual paper board cutting is mostly adopted, the working efficiency is low, and the labor intensity is high.

At present, mechanical automatic slitting equipment is adopted too much, the specific structure of the automatic slitting equipment can refer to the technical scheme with the patent application number of 201810302754.0, and the automatic slitting equipment discloses a paperboard slitting device with the rotation adjustment of an eccentric wheel, which comprises a frame, a paperboard lifting supporting device and a paperboard slitting device; the paperboard lifting and supporting device comprises a paperboard supporting plate arranged on a supporting bottom plate in a lifting way; the paperboard slitting device comprises an adjusting support plate and a slitting disc cutter; the adjusting support plate is arranged on the right side of the paperboard blocking plate in a left-right moving mode; a cylindrical rotary central plate which is arranged in a rotary manner is arranged on the adjusting support plate; a cutter driving motor is fixed on the left end surface of the rotary central plate; an output shaft of the cutter driving motor penetrates through the rotary central plate rightwards, and the slitting disc cutter is coaxially fixed at the right end of the output shaft of the cutter driving motor; the center axis of rotation of the output shaft of the cutter drive motor is parallel to and non-collinear with the center axis of rotation of the rotating center plate.

Above-mentioned this scheme, the eccentric turnover motion of cutter has improved cutter cutting performance, but also can accelerate the wearing and tearing of cutter, and the effective cutting time of relative cutter shortens, needs often to dismantle the cutter and polish or change, and is consuming time hard.

The current eccentric cutting mechanism cannot automatically polish and cut slices, has higher maintenance cost and greatly reduces the production efficiency.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a shutdown mechanism circles round greatly realizes the automatic cutter on the eccentric formula cutting mechanism of polishing, improves production efficiency.

The utility model provides a technical scheme does: the utility model provides a shutdown mechanism circles round greatly, includes roating seat, drive roating seat and uses the roating seat middle part as the rotatory first drive unit of axle center, sets up the cutter in roating seat edge, the rotatory second drive unit of drive cutter, still includes the whetstone unit of setting along the radial direction reciprocating motion of cutter on the roating seat.

In the large-convolution cutting mechanism, the knife stone unit comprises a first knife stone and a second knife stone which are obliquely and respectively arranged at two sides of the edge of the cutter, and a driving module for driving the first knife stone and the second knife stone to synchronously reciprocate along the radial direction of the cutter; the first knife stone and the second knife stone are respectively arranged on the rotating seat.

In the large-convolution cutting mechanism, the knife stone unit further comprises a cutter guide seat of a central structure fixed on the rotating seat; the cutting knife comprises a cutting knife guide seat, a first knife stone and a second knife stone, wherein the cutting knife guide seat is provided with a guide groove for the cutting knife to extend to the inside of the cutting knife guide seat, the first knife stone and the second knife stone are respectively arranged in the cutting knife guide seat, and the driving module drives the cutting knife guide seat to reciprocate along the radial direction of the cutting knife.

In the large-convolution cutting-off mechanism, the driving module comprises a screw rod arranged on the rotary seat and extending along the radial direction of the cutter, a first air cylinder for driving the screw rod to rotate, an annular-structure holding block fixed on the screw rod, an ejector pin arranged on one side of the holding block, and a second air cylinder; the holding block is provided with a limiting groove arranged around the screw rod, and the second cylinder drives the thimble to be inserted into the limiting groove.

In the large convolution cutting mechanism, the knife stone unit further comprises a guide rail which is arranged on the rotary seat and extends along the radial direction of the cutting knife; the guide rail is in sliding fit with the cutter guide seat.

In the large convolution cut-off mechanism, the whetstone unit further includes a third cylinder and a fourth cylinder for driving the first whetstone and the second whetstone to rotate, respectively; and the third cylinder and the fourth cylinder are fixed on one side of the cutter guide seat far away from the rotary seat.

In the large-convolution cutting-off mechanism, a counting unit connected with an external rack and used for detecting the rotation number of the rotating seat is further included; the counting unit is arranged on the rotary seat.

In the large convolution cutting-off mechanism, the counting unit comprises a fixed seat, a first transmission rod which is hinged with the fixed seat and extends along the radial direction of the rotating seat, a second transmission rod which is hinged with the second transmission rod and extends along the axial direction of the rotating seat, a first rotating shaft and a second rotating shaft which are respectively matched with the fixed seat in a rotating way, a transmission mechanism module for driving the first rotating shaft and the second rotating shaft to synchronously rotate, and an encoder fixed on the second rotating shaft; the first rotating shaft is fixed on the rotating seat and is arranged in parallel with the second transmission rod.

In the above-mentioned large circle cutting mechanism, the first driving unit includes a first driving shaft fixedly connected to the rotary base, and a first motor for driving the first driving shaft to rotate.

In the above large convolution cut-off mechanism, the second driving unit includes a second driving shaft disposed in the first driving shaft and rotationally engaged with the first driving shaft, a second motor for driving the second driving shaft to rotate, and a hollow transmission block fixed between the first driving shaft and the rotary base; and one side of the transmission block is provided with a notch for connecting the second driving shaft with the cutter.

After the technical scheme is adopted in the utility model, its beneficial effect who has is:

this scheme is through setting up mutually supporting of first drive unit and roating seat, the roating seat is the turnover motion around the middle part, the cutter that the drive is located the edge removes, the eccentric turnover motion is done around the middle part of roating seat to the cutter, and simultaneously, the rotation of second drive unit drive cutter on the roating seat, in order to realize the cutting paper, the cutter is under cutting many times, the cutter border wearing and tearing, and the whetstone unit on the roating seat removes along the radial direction of cutter, need polish when the cutter border, the cutter border on the whetstone unit laminating roating seat, cutter self is rotatory, polish the cutter border, realize the automatic cutter on the eccentric formula cutting mechanism of polishing, and the efficiency of production is improved.

Drawings

Fig. 1 is a schematic structural view of a large convolution cutting mechanism according to embodiment 1 of the present invention;

fig. 2 is a front view of a large convolution cutting mechanism according to embodiment 1 of the present invention;

fig. 3 is a sectional view of a large convolution cutting mechanism according to embodiment 1 of the present invention;

fig. 4 is a side view of a large convolution cutting mechanism according to embodiment 1 of the present invention;

fig. 5 is a partial enlarged view a of embodiment 1 of the present invention.

Reference numerals: 1. a first motor; 2. a second motor; 3. a cutter; 4. a cutter guide seat; 5. a third cylinder; 6. a first rotating shaft; 7. a fixed seat; 8. a second transmission rod; 9. a first drive lever; 10. an encoder; 11. a fourth cylinder; 12. a guide groove; 13. a rotating base; 14. a transmission block; 15. a notch; 16. a first cylinder; 17. a guide rail; 18. a screw; 19. a hugging block; 20. a thimble; 21. a second cylinder; 22. a second drive shaft; 23. a first drive shaft; 24. a first whetstone; 25. a limiting groove; 26. second rotating shaft

Detailed Description

The technical solution of the present invention will be further described in detail with reference to the following detailed description, but the present invention is not limited thereto.

Example 1:

as shown in fig. 1-5, a large convolution cutting mechanism includes a rotary base 13, a first driving unit for driving the rotary base 13 to rotate around the middle of the rotary base 13, a cutting knife 3 disposed at the edge of the rotary base 13, a second driving unit for driving the cutting knife 3 to rotate, and a whetstone unit disposed on the rotary base 13 and reciprocating along the radial direction of the cutting knife 3.

The implementation principle does, through setting up mutually supporting of first drive unit and roating seat 13, the roating seat 13 is the turnover motion around the middle part, the cutter 3 that the drive is located the edge removes, eccentric turnover motion is done around the middle part of roating seat 13 to cutter 3, and simultaneously, second drive unit drives the rotation of cutter 3 on roating seat 13, in order to realize cutting the paper, cutter 3 is under cutting many times, 3 border wearing and tearing of cutter, and the whetstone unit on the roating seat 13 removes along the radial direction of cutter 3, need polish when 3 borders of cutter, 3 borders of cutter on the whetstone unit laminating roating

seat

13, 3 self rotations of cutter, polish at 3 borders of cutter, realize the automatic cutter 3 on the eccentric formula cutting mechanism of polishing, and the efficiency of production is improved.

The knife stone unit comprises a first knife stone 24 and a second knife stone which are obliquely and respectively arranged at two sides of the edge of the cutter 3, and a driving module for driving the first knife stone 24 and the second knife stone to synchronously reciprocate along the radial direction of the cutter 3; the first sharpening stone 24 and the second sharpening stone are respectively arranged on the rotary base 13.

The first whetstone 24 and the second whetstone are obliquely arranged on two opposite sides of the cutter 3, the driving module drives the first whetstone 24 and the second whetstone to touch the edge of the cutter 3, the cutter 3 rotates, and the first whetstone 24 and the second whetstone polish the inner side and the outer side of the edge of the cutter 3 respectively.

In this embodiment, the whetstone unit further includes a centrally-structured cutter guide seat 4 fixed on the rotary seat 13; the cutting knife is characterized in that a guide groove 12 for the cutting knife 3 to extend to the inside of the cutting knife guide seat 4 is formed in the cutting knife guide seat 4, the first knife stone 24 and the second knife stone are respectively arranged in the cutting knife guide seat 4, and the driving module drives the cutting knife guide seat 4 to reciprocate along the radial direction of the cutting knife 3.

The setting of cutter guide holder 4 makes cutter 3 rotate in guide way 12, and guide way 12 is spacing to it, improves accuracy and security, and first whetstone 24 and the setting of second whetstone are in cutter guide holder 4, and the piece of cutter 3, first whetstone 24, second whetstone all is in cutter 3 guide way 12, can not scatter everywhere, avoids polluting all ring edge borders.

The driving module has a specific structure that the driving module comprises a screw 18 arranged on the rotary seat 13 and extending along the radial direction of the cutter 3, a first air cylinder 16 driving the screw 18 to rotate, an annular holding block 19 fixed on the screw 18, an ejector pin 20 arranged on one side of the holding block 19, and a second air cylinder 21; the holding block 19 is provided with a limiting groove 25 arranged around the screw 18, and the second cylinder 21 drives the thimble 20 to be inserted into the limiting groove 25.

The diameter of the cutter 3 is gradually reduced along with the increase of the polishing time of the cutter 3, the driving module needs to drive the cutter guide seat 4 to continuously move towards the cutter 3 for the first whetstone 24 and the second whetstone to touch the cutter 3 for polishing, the driving principle of the driving module is that a screw 18 is used for transmission, a first air cylinder 16 is used for driving the screw 18 to rotate forwards and backwards, and the cutter guide seat 4 is in threaded connection with the screw 18 to drive the cutter guide seat 4 to move in a reciprocating mode; due to the arrangement of the ejector pin 20, the ejector pin 20 is inserted into the limiting groove 25 on the holding block 19, so that the screw 18 is radially and auxiliary positioned in rotation, and the rotation is more stable.

In practical application, the whetstone unit further comprises a guide rail 17 arranged on the rotary base 13 and extending along the radial direction of the cutting knife 3; the guide rail 17 is in sliding fit with the cutter guide seat 4.

The arrangement of the guide rail 17 ensures that the reciprocating lifting of the cutter guide seat 4 is smoother and more stable.

In a further improvement, the knife stone unit further comprises a third cylinder 5 and a fourth cylinder 11 which respectively drive the first knife stone 24 and the second knife stone to rotate; the third cylinder 5 and the fourth cylinder 11 are fixed on one side of the cutter guide seat 4 far away from the rotary seat 13.

In order to improve the use efficiency of the first knife stone 24 and the second knife stone, the third cylinder 5 and the fourth cylinder 11 are used for driving the first knife stone 24 and the second knife stone to rotate respectively, so that the knife sharpening surfaces of the first knife stone 24 and the second knife stone are uniformly rubbed with the cutter 3 respectively, a certain fixed position point of the first knife stone 24 and the second knife stone is prevented from contacting, and the use efficiency is improved.

As a further improvement of the present embodiment, a counting unit connected to the external rack for detecting the number of rotations of the rotary base 13 is further included; the counting unit is arranged on the rotary base 13.

The counting unit has the specific structure that the counting unit comprises a fixed seat 7, a first transmission rod 9 which is hinged with the fixed seat 7 and extends along the radial direction of a rotating seat 13, a second transmission rod 8 which is hinged with the second transmission rod 8 and extends along the axial direction of the rotating seat 13, a first rotating shaft 6 and a second rotating shaft 26 which are respectively in running fit with the fixed seat 7, a transmission mechanism module which drives the first rotating shaft 6 and the second rotating shaft 26 to synchronously rotate, and an encoder 10 which is fixed on the second rotating shaft 26; the first rotary shaft 6 is fixed on the rotary base 13 and arranged parallel to the second transmission rod 8.

The counting principle of the counting unit is that, roating seat 13 rotates, it is the turnover motion with roating seat 13 axle center to drive first pivot 6, fixing

base

7 and 6 normal running fit of first pivot, second pivot 26 sets up on fixing base 7, and with fixing base 7 normal running fit, 6 turnover motion of first pivot, it rotates to drive second pivot 26 through the drive mechanism module, second pivot 26 drives encoder 10 and rotates, form the count record, fixing base 7 then articulates in proper order on the peripheral hardware frame through first transfer line 9 and second transfer line 8, form the transmission of crank rocker mechanism.

In a specific implementation, the transmission mechanism module is specifically a belt transmission mechanism.

The first driving unit has a specific structure that the first driving unit comprises a first driving shaft 23 fixedly connected with the rotating base 13 and a first motor 1 for driving the first driving shaft 23 to rotate.

The second driving unit has a specific structure that the second driving unit comprises a second driving shaft 22 which is arranged in the first driving shaft 23 and is in running fit with the first driving shaft 23, a second motor 2 for driving the second driving shaft 22 to rotate, and a transmission block 14 which is fixed between the first driving shaft 23 and the rotating base 13 and has a hollow structure; one side of the transmission block 14 is provided with a notch 15 for connecting the second driving shaft 22 with the cutter 3.

In addition, in the embodiment, the first motor 1 and the first driving shaft 23, and the second motor 2 and the second driving shaft 22 are connected by a belt transmission manner.

The above embodiments are preferred embodiments of the present invention, but the embodiments of the present invention are not limited to the above embodiments, and any other changes, modifications, substitutions, combinations, and simplifications which do not depart from the spirit and principle of the present invention should be equivalent replacement modes, and all are included in the scope of the present invention.

Claims

1. The utility model provides a shutdown mechanism greatly circles round, includes roating seat (13), drive roating seat (13) and uses roating seat (13) middle part as the rotatory first drive unit of axle center, set up cutter (3) at roating seat (13) edge, the rotatory second drive unit of drive cutter (3), its characterized in that still includes the whetstone unit of setting up on roating seat (13) along cutter (3) radial direction reciprocating motion.

2. The large cyclotron cutting mechanism according to claim 1, wherein the whetstone unit comprises a first whetstone (24) and a second whetstone which are obliquely and respectively arranged at both sides of the edge of the cutter (3), and a driving module which drives the first whetstone (24) and the second whetstone to synchronously reciprocate along the radial direction of the cutter (3); the first knife stone (24) and the second knife stone are respectively arranged on the rotating seat (13).

3. The large-backspin severing mechanism according to claim 2, wherein said whetstone unit further comprises a centrally structured cutter guide seat (4) fixed on the rotary seat (13); the utility model discloses a cutting knife, including cutter guide holder (4), be equipped with on cutter guide holder (4) and supply cutter (3) to extend to inside guide way (12) of cutter guide holder (4), first whetstone (24) and second whetstone are established respectively in cutter guide holder (4), drive module drive cutter guide holder (4) are along cutter (3) radial direction reciprocating motion.

4. The large-convolution cut-off mechanism according to claim 3, wherein the driving module includes a screw (18) arranged on the rotary base (13) and extending along a radial direction of the cutter (3), a first air cylinder (16) for driving the screw (18) to rotate, a clasping block (19) of an annular structure fixed on the screw (18), an ejector pin (20) arranged on one side of the clasping block (19), and a second air cylinder (21); the clamping block (19) is provided with a limiting groove (25) arranged around the screw rod (18), and the second cylinder (21) drives the ejector pin (20) to be inserted into the limiting groove (25).

5. The large cyclotron cutting mechanism according to claim 3, wherein the whetstone unit further comprises a guide rail (17) provided on the rotary base (13) and extending in a radial direction of the cutting knife (3); the guide rail (17) is in sliding fit with the cutter guide seat (4).

6. The large convolution cut-off mechanism according to claim 3, wherein the whetstone unit further includes a third cylinder (5) and a fourth cylinder (11) that drive the first whetstone (24) and the second whetstone to rotate, respectively; and the third cylinder (5) and the fourth cylinder (11) are fixed on one side of the cutter guide seat (4) far away from the rotating seat (13).

7. The large-convolution cutting mechanism according to claim 1, further comprising a counting unit connected to the external rack for detecting the number of rotations of the rotary base (13); the counting unit is arranged on the rotary base (13).

8. The large-convolution cut-off mechanism according to claim 7, wherein the counting unit includes a fixed base (7), a first transmission rod (9) hinged to the fixed base (7) and extending along a radial direction of the rotary base (13), a second transmission rod (8) hinged to the second transmission rod (8) and extending along an axial direction of the rotary base (13), a first rotating shaft (6) and a second rotating shaft (26) respectively rotatably engaged with the fixed base (7), a transmission mechanism module driving the first rotating shaft (6) and the second rotating shaft (26) to synchronously rotate, and an encoder (10) fixed on the second rotating shaft (26); the first rotating shaft (6) is fixed on the rotating seat (13) and is arranged in parallel with the second transmission rod (8).

9. The large-backspin severing mechanism according to claim 1, wherein said first drive unit comprises a first drive shaft (23) fixedly connected to the rotating seat (13), a first motor (1) driving the first drive shaft (23) in rotation.

10. The large cyclotron cutting mechanism according to claim 9, wherein the second driving unit comprises a second driving shaft (22) which is arranged in the first driving shaft (23) and is in running fit with the first driving shaft (23), a second motor (2) which drives the second driving shaft (22) to rotate, and a transmission block (14) which is fixed between the first driving shaft (23) and the rotary base (13) and has a hollow structure; and a notch (15) for connecting the second driving shaft (22) with the cutter (3) is formed in one side of the transmission block (14).