CN221136141U

CN221136141U - Slitting assembly structure

Info

Publication number: CN221136141U
Application number: CN202323192720.6U
Authority: CN
Inventors: 吴贻飞; 金超群
Original assignee: Ruian Zhenbang Printing Machinery Co ltd
Current assignee: Ruian Zhenbang Printing Machinery Co ltd
Priority date: 2023-11-27
Filing date: 2023-11-27
Publication date: 2024-06-14
Anticipated expiration: 2033-11-27

Abstract

The utility model discloses a slitting assembly structure, wherein two wallboards are arranged at intervals and are connected through connecting rods; the knife roller assembly comprises a knife roller and a circular knife, wherein two ends of the knife roller are rotationally connected with wallboards on two sides, and the circular knife is arranged on the knife roller; the anvil roll assembly comprises a positioning sleeve, an anvil roll and a pressure-bearing sleeve, wherein the positioning sleeve is connected to the wallboard, a U-shaped groove is formed in the positioning sleeve, two ends of the anvil roll are placed in the U-shaped groove through a notch of the U-shaped groove, the anvil roll is rotationally connected to the positioning sleeve and parallel to the knife roll, and the pressure-bearing sleeve is arranged on the anvil roll and corresponds to the circular knife.

Description

Slitting assembly structure

Technical Field

The application belongs to the technical field of printing equipment, and particularly relates to a slitting assembly structure.

Background

The slitting assembly is an important component for use in a printing press or post-press processing equipment for precisely slitting printed matter to conform to specific dimensional or shape requirements.

Conventional printing and slitting assemblies typically employ a mechanical slitting mechanism that includes a set of cutting blades and an anvil roll. At a specific position of the printed matter, a slitting line can be formed by adjusting the gap between the cutting blade and the anvil roll, thereby realizing the division of the printed matter into different sizes or shapes. The mechanical slitting mechanism has the advantages of simple structure, durability and the like, and the anvil roll needs to be replaced after being used for a long time due to abrasion, and in the existing slitting mechanism, the replacing process is very complicated due to the fact that the anvil roll is mounted and dismounted. Therefore, there is a need to solve the above-mentioned technical problems.

Disclosure of Invention

The embodiment of the application aims to provide a slitting assembly structure so as to solve the technical problem that the anvil roll replacement process is complicated in the prior art.

In order to achieve the above purpose, the application adopts the following technical scheme: there is provided a slitting assembly structure comprising:

The wallboards are arranged at intervals and are connected through connecting rods;

The knife roll assembly comprises a knife roll and a circular knife, wherein two ends of the knife roll are rotationally connected with the wallboards on two sides, and the circular knife is arranged on the knife roll;

the anvil roll assembly comprises a positioning sleeve, an anvil roll and a pressure bearing sleeve, wherein the positioning sleeve is connected to the wallboard, a U-shaped groove is formed in the positioning sleeve, two ends of the anvil roll are placed in the U-shaped groove through notches of the U-shaped groove, the anvil roll is rotationally connected to the positioning sleeve and parallel to the knife roll, and the pressure bearing sleeve is installed on the anvil roll and corresponds to the circular knife.

Optionally, the notch of the U-shaped groove is oriented away from the central axis of the knife roll.

Optionally, bearings are sleeved at two ends of the anvil roll;

the bottom of the U-shaped groove is arc-shaped and is matched with the bearing, and the anvil roll is installed in the U-shaped groove through the bearing.

Optionally, the positioning sleeve is provided with a guiding section;

The wallboard is provided with a guide hole which is adapted to the guide section, and the locating sleeve is installed in the guide hole through the guide section.

Optionally, the anvil roll assembly further comprises an air cylinder and a push rod;

The ejector rod is connected to the power output end of the air cylinder, and a through hole for the ejector rod to pass through and be communicated with the U-shaped groove is formed in the positioning sleeve;

The ejector rod passes through the through hole and is used for extending into the U-shaped groove to be abutted with the end face of the bearing outer ring.

Optionally, the anvil roll assembly further comprises a positioning plate and a pressing plate;

The positioning plate is provided with a preset mounting hole for the ejector rod to pass through, and the ejector rod passes through the preset mounting hole and at least one part of the ejector rod is reserved in the preset mounting hole;

The pressing plate is connected to the positioning plate and used for being abutted against the ejector rod, and the pressing plate and the positioning plate are movably installed in the guide hole;

The power output end of the air cylinder is fixedly connected with the pressing plate and the positioning plate and connects the pressing plate and the positioning plate into a whole.

Optionally, the knife roller assembly further comprises a support, an adjusting bolt and a sliding block;

The support is connected to the wallboard, and the adjusting bolt is connected to the support in a threaded manner;

The wallboard is provided with the guide slot of vertical extension, the slider sliding connection in the guide slot and threaded connection in adjusting bolt.

Optionally, the knife roller assembly further comprises a spring;

The wallboard is provided with the accommodation hole that is used for holding the spring, the one end butt of spring in the slider, the other end butt in the wallboard.

Optionally, the wall plates are used for forming the two side walls of the guide groove with different lengths and forming a notch for the sliding block to separate.

Optionally, the knife roller assembly further comprises a knife roller gear, and the anvil roller assembly further comprises an anvil roller gear;

The knife roller gear is sleeved on the knife roller, the anvil roller gear is sleeved on the anvil roller, and the knife roller gear and the anvil roller gear form a gear pair.

The slitting assembly structure provided by the application has the beneficial effects that: compared with the prior art, the two ends of the anvil roll are respectively arranged on the wallboard through the locating sleeve, and the U-shaped groove for placing the anvil roll is arranged on the locating sleeve, so that the anvil roll can be stably connected to the locating sleeve through the U-shaped groove, and the anvil roll can be conveniently replaced by being directly taken out of the U-shaped groove when the anvil roll needs to be replaced.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings that are needed in the embodiments or the description of the prior art will be briefly described below, it being obvious that the drawings in the following description are only some embodiments of the present application, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is a schematic diagram of the overall structure of a slitting assembly according to an embodiment of the present application;

Fig. 2 is a schematic diagram of the overall structure of a slitting assembly according to an embodiment of the present application;

FIG. 3 is a schematic side view of a slitting assembly according to an embodiment of the present application;

FIG. 4 is a cross-sectional view taken along line A-A of FIG. 3;

FIG. 5 is an enlarged view of the structure at B in FIG. 4;

FIG. 6 is a schematic view of a portion of a slitting assembly according to an embodiment of the present application;

Fig. 7 is a schematic structural diagram of a positioning sleeve according to an embodiment of the present application.

Wherein, each reference sign in the figure: 101. a wallboard; 102. a connecting rod; 111. a guide hole; 112. a guide groove; 113. an accommodation hole; 201. a knife roll; 202. a circular knife; 203. a support; 204. an adjusting bolt; 205. a slide block; 206. a spring; 207. a knife roller gear; 301. a positioning sleeve; 302. an anvil roll; 303. a pressure-bearing sleeve; 304. a bearing; 305. a cylinder; 306. a push rod; 307. a positioning plate; 308. a pressing plate; 309. an anvil roller gear; 311. a U-shaped groove; 312. a guide section; 313. a through hole; 371. and presetting a mounting hole.

Description of the embodiments

In order to make the technical problems, technical schemes and beneficial effects to be solved more clear, the application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the application.

It will be understood that when an element is referred to as being "mounted" or "disposed" on another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It is to be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like are merely for convenience in describing and simplifying the description based on the orientation or positional relationship shown in the drawings, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus are not to be construed as limiting the application.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present application, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

Referring to fig. 1 to 7, a description will now be given of a slitting assembly structure according to an embodiment of the present application. The slitting assembly structure includes a wallboard 101, a knife roller assembly, and an anvil roller assembly. Wherein:

The wallboard 101 is provided with two and is connected through the connecting rod 102 at intervals, and the knife roller assembly includes knife roller 201 and circular knife 202, and the both ends of knife roller 201 rotate the wallboard 101 of being connected in both sides, and circular knife 202 installs on knife roller 201, and knife roller 201 can drive circular knife 202 rotation. The anvil roller assembly comprises a positioning sleeve 301, an anvil roller 302 and a pressure-bearing sleeve 303, wherein the positioning sleeve 301 is connected to the wallboard 101, a U-shaped groove 311 is formed in the positioning sleeve 301, two ends of the anvil roller 302 are placed in the U-shaped groove 311 through notches of the U-shaped groove 311, the anvil roller 302 is rotatably connected to the positioning sleeve 301 and parallel to the cutter roller 201, the pressure-bearing sleeve 303 is arranged on the anvil roller 302 and corresponds to the circular cutter 202, and the anvil roller 302 can rotate to drive the pressure-bearing sleeve 303 to rotate. In this embodiment, the circular knife 202 is matched with the pressure-bearing sleeve 303, so that wide paper can be cut.

According to the above structure provided in the present embodiment, since the U-shaped groove 311 for placing the anvil roll 302 is provided on the positioning sleeve 301, the anvil roll 302 can be stably connected to the positioning sleeve 301 through the U-shaped groove 311 on the one hand, and the anvil roll 302 can be conveniently replaced by directly taking out the anvil roll 302 from the U-shaped groove 311 when the anvil roll 302 needs to be replaced on the other hand, which is far superior to the replacement efficiency of the prior art.

In another embodiment of the present application, referring to fig. 1-7, the notch of the u-shaped groove 311 is oriented away from the central axis of the knife roller 201. According to this structure, when the anvil roll 302 is taken out from the notch of the U-shaped groove 311, the cutter roll 201 can be effectively prevented from interfering with the taking-out process of the anvil roll 302, and the replacement efficiency of the anvil roll 302 can be further improved.

In another embodiment of the present application, referring to fig. 1 to 7, bearings 304 are sleeved on two ends of the anvil roll 302, the bottom of the U-shaped groove 311 is arc-shaped and adapted to the bearings 304, and the anvil roll 302 is installed in the U-shaped groove 311 through the bearings 304. In this embodiment, the bearings 304 are disposed at two ends of the anvil roller 302, so that the anvil roller 302 can rotate more smoothly relative to the U-shaped groove, and the anvil roller 302 can be mounted in the U-shaped groove 311 more stably through the bearings 304.

In another embodiment of the present application, referring to fig. 1 to 7, the positioning sleeve 301 has a guiding section 312, the wall plate 101 is provided with a guiding hole 111 adapted to the guiding section 312, and the positioning sleeve 301 is installed in the guiding hole 111 through the guiding section 312. In this embodiment, the guide section 312 is disposed on the positioning sleeve 301, so that the positioning sleeve 301 can be stably embedded in the guide hole 111 through the guide section 312, and the stability of the anvil roll 302 in the rotation process is ensured.

In another embodiment of the present application, referring to fig. 1 to 7, the anvil roller assembly further includes a cylinder 305 and a push rod 306, the push rod 306 is connected to a power output end of the cylinder 305, the positioning sleeve 301 is provided with a through hole 313 for the push rod 306 to pass through and communicate with the U-shaped slot 311, and the push rod 306 passes through the through hole 313 and is used for extending into the U-shaped slot 311 to abut against an outer ring end face of the bearing 304. According to the above structure provided in this embodiment, the cylinder 305 can push the bearing 304 through the ejector rod 306, so that the anvil roll 302 moves axially, and the outer ring of the bearing at the other end of the anvil roll 302 is tightly pushed in the positioning sleeve 301, so that the axial gap of the anvil roll 302 is eliminated.

In another embodiment of the present application, referring to fig. 1 to 7, the anvil roll assembly further includes a positioning plate 307 and a pressing plate 308, the positioning plate 307 is provided with a preset mounting hole 371 through which the ejector rod 306 passes, the ejector rod 306 passes through the preset mounting hole 371 and at least a part of the ejector rod is remained in the preset mounting hole 371, the pressing plate 308 is connected to the positioning plate 307 and is used for abutting against the ejector rod 306, and the pressing plate 308 and the positioning plate 307 are movably mounted in the guide hole 111; the power output end of the air cylinder 305 is fixedly connected with the pressing plate 308 and the positioning plate 307 and connects the pressing plate 308 and the positioning plate 307 into a whole, wherein the power output end of the air cylinder 305 usually adopts a structure with bolts or internal threads, the embodiment adopts a structure with bolts, the bolts partially penetrate through the centers of the pressing plate 308 and the positioning plate 307 and are locked by nuts so as to connect the pressing plate 308 and the positioning plate 307 into a whole, and further the fixing of the ejector rod 306 between the pressing plate 308 and the positioning plate 307 is completed and is fixedly connected with the power output end of the air cylinder 305, namely, the ejector rod 306 can be conveniently connected to the output end of the air cylinder 305 through the pressing plate 308 and the positioning plate 307 in the embodiment; in addition, since the positioning plate 307 is provided with the preset mounting hole 371, the ejector rod 306 can be kept at a fixed position through the preset mounting hole 371, so that good use effect is ensured.

In another embodiment of the present application, referring to fig. 1 to 7, the cutter roller assembly further includes a support 203, an adjusting bolt 204 and a slider 205. The support 203 is connected to the wall plate 101, and the adjusting bolt 204 is screwed to the support 203. The wall plate 101 is provided with a vertically extending guide slot 112, and a slider 205 is slidably connected to the guide slot 112 and is threadedly connected to the adjusting bolt 204. According to the structure provided in the embodiment, the adjusting bolt 204 can rotate relative to the sliding block 205 and drive the sliding block 205 to move along the extending direction of the guide groove 112, so that different distances between the cutter roller 201 and the anvil roller 302 can be provided, and the adjusting bolt is suitable for printed matters with different thicknesses and has wide application fields.

In another embodiment of the present application, referring to fig. 1 to 7, the knife roller assembly further includes a spring 206, the wall plate 101 is provided with a receiving hole 113 for receiving the spring 206, one end of the spring 206 abuts against the slider 205, and the other end abuts against the wall plate 101. According to the above structure provided in the present embodiment, the spring 206 can make the slider 205 and the adjusting bolt 204 closely abut all the time, ensuring that the adjusting bolt 204 can be effectively used for adjusting the position of the slider 205.

In another embodiment of the present application, referring to fig. 1 to 7, the wall plate 101 is used to form two side walls of the guide slot 112 with different lengths and form a notch for the sliding block 205 to separate. According to the above structure provided in the present embodiment, when the cutter roller 201 needs to be replaced, the slider 205 can be adjusted to the position of the notch, and then the cutter roller 201 is taken out from the notch and replaced, so that the use effect is more flexible.

In another embodiment of the present application, referring to fig. 1 to 7, the knife roller assembly further includes a knife roller gear 207, the anvil roller assembly further includes an anvil roller gear 309, the knife roller gear 207 is sleeved on the knife roller 201, the anvil roller gear 309 is sleeved on the anvil roller 302, and the knife roller gear 207 and the anvil roller gear 309 form a gear pair. According to the above structure provided in the present embodiment, the gear pair composed of the cutter roller gear 207 and the anvil roller gear 309 can ensure stable operation between the cutter roller 201 and the anvil roller 302, with good use effect.

The foregoing description of the preferred embodiments of the application is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the application.

Claims

1. A slitting assembly structure, comprising:

the wall boards (101) are arranged at intervals and are connected through connecting rods (102);

The knife roller assembly comprises a knife roller (201) and a circular knife (202), wherein two ends of the knife roller (201) are rotatably connected with the wallboards (101) on two sides, and the circular knife (202) is arranged on the knife roller (201);

Anvil roller subassembly, including spacer sleeve (301), anvil roller (302) and pressure-bearing cover (303), spacer sleeve (301) connect in wallboard (101), be provided with U type groove (311) on spacer sleeve (301), the both ends of anvil roller (302) are passed through notch in U type groove (311) are placed in U type groove (311), anvil roller (302) rotate connect in spacer sleeve (301) and be on a parallel with knife roller (201), pressure-bearing cover (303) install on anvil roller (302) and correspond circular knife (202).

2. The slitting assembly structure of claim 1, wherein:

the notch of the U-shaped groove (311) is oriented away from the central axis of the knife roller (201).

3. The slitting assembly structure of claim 1, wherein:

bearings (304) are sleeved at two ends of the anvil roll (302);

The bottom of the U-shaped groove (311) is arc-shaped and is matched with the bearing (304), and the anvil roll (302) is arranged in the U-shaped groove (311) through the bearing (304).

4. A slitting assembly structure according to claim 3, wherein:

the positioning sleeve (301) is provided with a guide section (312);

The wallboard (101) is provided with a guide hole (111) which is matched with the guide section (312), and the positioning sleeve (301) is installed in the guide hole (111) through the guide section (312).

5. The slitting assembly structure of claim 4, wherein:

the anvil roll assembly further comprises an air cylinder (305) and a push rod (306);

The ejector rod (306) is connected to the power output end of the air cylinder (305), and the positioning sleeve (301) is provided with a through hole (313) for the ejector rod (306) to pass through and be communicated with the U-shaped groove (311);

The ejector rod (306) passes through the through hole (313) and is used for extending into the U-shaped groove (311) to be abutted with the end face of the outer ring of the bearing (304).

6. The slitting assembly structure of claim 5, wherein:

the anvil roll assembly further comprises a positioning plate (307) and a pressing plate (308);

The positioning plate (307) is provided with a preset mounting hole (371) for the ejector rod (306) to pass through, and the ejector rod (306) passes through the preset mounting hole (371) and at least one part of the ejector rod is reserved in the preset mounting hole (371);

The pressing plate (308) is connected to the positioning plate (307) and is used for abutting against the ejector rod (306), and the pressing plate (308) and the positioning plate (307) are movably installed in the guide hole (111);

The power output end of the air cylinder (305) is fixedly connected with the pressing plate (308) and the positioning plate (307) and connects the pressing plate (308) and the positioning plate (307) into a whole.

7. The slitting assembly structure of claim 1, wherein:

The knife roller assembly further comprises a support (203), an adjusting bolt (204) and a sliding block (205);

The support (203) is connected to the wallboard (101), and the adjusting bolt (204) is in threaded connection with the support (203);

the wallboard (101) is provided with a guide groove (112) extending vertically, and the sliding block (205) is connected with the guide groove (112) in a sliding mode and is connected with the adjusting bolt (204) in a threaded mode.

8. The slitting assembly structure of claim 7, wherein:

the knife roller assembly further includes a spring (206);

The wallboard (101) is provided with a containing hole (113) for containing the spring (206), one end of the spring (206) is abutted to the sliding block (205), and the other end of the spring is abutted to the wallboard (101).

9. The slitting assembly structure of claim 8, wherein:

The wall plate (101) is used for forming the gap that the two side walls of the guide groove (112) are different in length and the sliding block (205) is separated.

10. The slitting assembly structure of claim 1, wherein:

The knife roller assembly further comprises a knife roller gear (207), the anvil roller assembly further comprises an anvil roller gear (309);

The knife roller gear (207) is sleeved on the knife roller (201), the anvil roller gear (309) is sleeved on the anvil roller (302), and the knife roller gear (207) and the anvil roller gear (309) form a gear pair.