CN218054414U - Printing roller adjusting mechanism for printing - Google Patents

Abstract

The utility model relates to the field of printing technology, especially, relate to a printing roller adjustment mechanism for printing. Its technical scheme includes printing roller subassembly, printing roller subassembly's both ends are connected with coupling assembling respectively, two the one end that coupling assembling deviates from mutually rotates and connects adjusting part, coupling assembling includes circle roller and connecting rod, set up horizontal through groove on the circle roller, the connecting rod inserts from the round hole of circle roller one end and stretches into through the inslot, it has the spring to link up the cover on the inslot connecting rod, the other end cover of circle roller has the circle cover, circle cover one end fixedly connected with fixed plate, connecting rod one end and fixed plate fixed connection, the slot has been seted up to the other end of circle roller, the inserted block that the inserted block corresponds is in the slot that injects, the inserted block that the circle cover will inject the slot covers. The utility model has the advantages of can install fast and dismantle printing roller subassembly, save time when reducing working strength.

Description

Printing roller adjusting mechanism for printing

Technical Field

The utility model relates to the field of printing technology, specifically a printing roller adjustment mechanism is used in printing.

Background

Printing is a technique of transferring ink to the surface of paper, textiles, plastics, leather, PVC, PC, or other materials by plate making, inking, and pressing original documents such as characters, pictures, photographs, and forgery prevention, and copying the contents of the original documents in bulk. Printing is the process of transferring the approved printing plate to the printing stock by printing machine and special ink.

The printing roller is one of the accessories of the offset printing machine, and the printing roller needs to be adjusted before use, so that the pressure cannot be too large or too small when the printing roller prints on a carrier, and therefore the printing roller needs to be finely adjusted for different carriers. Through the retrieval, chinese utility model that patent application number is CN201922273332.8 discloses a printing roller adjusting device for printing machine, and printing roller is direct fixed with adjustment mechanism when being connected mostly, leads to need to dismantle fixed knot structure and just can install or dismantle the printing roller when the installation or dismantle the printing roller, dismantles fixed knot and constructs also wasted time when having improved working strength. In view of this. We propose a printing roller adjustment mechanism for printing.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a printing roller adjustment mechanism for printing to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a printing roller adjusting mechanism for printing comprises a printing roller assembly, wherein two ends of the printing roller assembly are respectively connected with a connecting assembly, and one end of each of the two connecting assemblies, which is far away from the connecting assembly, is rotatably connected with an adjusting assembly;

the printing roller assembly consists of a printing roller main body and insertion blocks, and the insertion blocks are fixedly connected between the two ends of the printing roller main body respectively;

coupling assembling includes circle roller and connecting rod, the one end of circle roller is passed through the bearing and is rotated for adjusting part, set up the horizontal groove that link up on the circle roller, the connecting rod inserts from the round hole of circle roller one end and stretches into and link up the inslot, it has the spring to link up to overlap on the connecting rod of inslot, the other end cover of circle roller has the circle cover, the middle fixedly connected with fixed plate of circle cover one end, the connecting rod stretches into one end and the fixed plate fixed connection who link up the inslot, the one end and the inslot wall fixed connection that link up of spring, the other end and the fixed plate fixed connection of spring, the slot has been seted up to the other end of circle roller, in the injection slot that the inserted block corresponds, the circle cover covers the inserted block in the slot to the circle cover other end supports the printing roller main part.

Preferably, the adjusting assembly comprises a connecting frame and a moving block, the inner wall of the connecting frame is symmetrically and fixedly connected with two sliding rails, two sides of the moving block are respectively connected with the inner wall of the connecting frame in a sliding mode through the sliding rails, the top end of the connecting frame is fixedly connected with a hydraulic cylinder, and a hydraulic rod extending out of the bottom end of the hydraulic cylinder penetrates through the top end of the connecting frame and is fixedly connected with the top end of the moving block.

Preferably, the connecting frame is internally and fixedly connected with four baffles in a rectangular array, and the four baffles respectively contact with the moving block.

Preferably, one end of the round roller is connected with an inner bearing ring, an outer bearing ring is embedded in one side of the moving block, which is opposite to one end of the round roller, and the round roller rotates relative to the moving block through a bearing.

Preferably, the inner wall of the round sleeve is transversely and symmetrically fixedly connected with two limiting strips, the outer wall of the inserting block is transversely and symmetrically provided with two first limiting grooves, the outer wall of the round roller between the through groove and the inserting groove is transversely and symmetrically provided with two second limiting grooves, the second limiting grooves are communicated with the first limiting grooves, and the limiting strips are correspondingly inserted into the second limiting grooves and the first limiting grooves.

Preferably, the limiting strip is designed to be of a trapezoid structure, the small end face of the limiting strip faces the round roller, and the second limiting groove and the first limiting groove are respectively matched with the limiting strip.

Compared with the prior art, the beneficial effects of the utility model are that:

1. when installation printing roller main part, with two round cover back of the body removal, along with the removal of round cover, the fixed plate drives the connecting rod and removes, the connecting rod injects in the round roller, the spring at this moment is compressed, inject the relative slot of offering of two round rollers of the inserted block correspondence of printing roller main part both ends, loosen the round cover, under the spring action of spring, two round cover relative movement cover the inserted block, the arcwall face and the laminating contact of round cover inner wall of the horizontal outer wall of inserted block, and the round cover other end supports printing roller main part, under the effect of round cover, make the inserted block remain stable in the slot, it rotates to drive the inserted block when the round roller rotates, thereby make printing roller main part rotate and carry out the printing operation. When the printing roller main body is disassembled, the two round sleeves move away from each other, the round sleeves do not cover the insertion blocks any more, the insertion blocks are taken out of the insertion slots, and the printing roller main body can be directly taken out. Can install fast and dismantle printing roller subassembly, save time when reducing working strength.

2. After the round sleeve covers the inserting block, the limiting strip is correspondingly inserted into the second limiting groove and the first limiting groove, in the rotating process of the printing roller main body, the limiting strip is in butt joint with the second limiting groove and the first limiting groove to enable the round sleeve to have a better limiting effect on the inserting block, and the printing roller main body after connection is more stable.

Drawings

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

FIG. 2 is a schematic view of the connection structure of the adjusting assembly of the present invention;

fig. 3 is a schematic cross-sectional structural view of the connection assembly of the present invention;

FIG. 4 is a schematic structural view of a printing roller assembly according to the present invention;

fig. 5 is an enlarged schematic structural view of fig. 4 according to the present invention;

FIG. 6 is a schematic view of the structure of the round roller of the present invention;

fig. 7 is an enlarged schematic structural view of fig. 6 according to the present invention;

fig. 8 is a schematic structural view of the connection assembly after the round sleeve of the present invention is removed;

in the figure: 1. a printing roller assembly; 2. a connecting assembly; 3. an adjustment assembly;

101. a printing roller main body; 102. inserting a block; 103. a first limit groove;

201. a round roller; 202. a connecting rod; 203. a spring; 204. a round sleeve; 205. a limiting strip;

206. a slot; 207. a through groove; 208. a bearing; 209. a second limit groove; 2010. a fixing plate;

301. a hydraulic cylinder; 302. a connecting frame; 303. a slide rail; 304. a baffle plate; 305. and (6) moving the blocks.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front", "rear", "both ends", "one end", "the other end", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplification of the description, but do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first" and "second" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "disposed," "connected," and the like are to be construed broadly, and for example, "connected" may be either fixedly connected or detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Referring to fig. 1-8, the present invention provides a technical solution:

a printing roller adjusting mechanism for printing comprises a printing roller assembly 1, wherein two ends of the printing roller assembly 1 are respectively connected with a connecting assembly 2, and one end of each of the two connecting assemblies 2, which is far away from the other end, is rotatably connected with an adjusting assembly 3. The adjusting assembly 3 is fixedly connected with an external printing machine frame, so that the printing roller assembly 1 is positioned at the printing position of the printing machine, and a printing carrier in the printing machine passes below the printing roller assembly 1. The height of the printing roller assembly 1 is adjusted through the adjusting assembly 3, so that when the printing roller assembly 1 prints on a carrier, the pressure is not too large or too small, and the printing roller assembly is suitable for different carriers. A driving mechanism on the printing machine penetrates through the adjusting assembly 3 to be in butt joint with the connecting assembly 2, and the driving and connecting assembly 2 rotates to drive the printing roller assembly 1 to rotate to print. The two ends of the printing roller assembly 1 are in butt joint with the connecting assembly 2, the limiting parts arranged on the connecting assembly 2 cover the butt joint parts at the two ends of the printing roller assembly 1, so that the butt joint parts at the two ends of the printing roller assembly 1 are limited, the limiting parts arranged on the connecting assembly 2 can move back and forth, and after the limiting parts arranged on the connecting assembly 2 are moved away from the butt joint parts at the two ends of the printing roller assembly 1, the printing roller assembly 1 can be directly taken down. The printing roller assembly 1 can be quickly installed and detached, and the working strength is reduced while the time is saved.

The printing roller assembly 1 comprises a printing roller main body 101 and insertion blocks 102, wherein the insertion blocks 102 are fixedly connected to the middles of two ends of the printing roller main body 101 respectively. The carrier in the printer is printed by the rotation of the printing roller main body 101.

The connecting assembly 2 comprises a round roller 201 and a connecting rod 202, one end of the round roller 201 rotates relative to the adjusting assembly 3 through a bearing 208, a transverse through groove 207 is formed in the round roller 201, the connecting rod 202 is inserted into the through groove 207 from a round hole in one end of the round roller 201, the connecting rod 202 in the through groove 207 is sleeved with a spring 203, and the elastic coefficient of the spring 203 is selected by a technician in the field according to actual conditions. The other end cover of circle roller 201 has circle cover 204, the middle fixedly connected with fixed plate 2010 of circle cover 204 one end, connecting rod 202 stretches into the one end and the fixed plate 2010 fixed connection who link up in the groove 207, the one end and the inner wall fixed connection who link up the groove 207 of spring 203, the other end and the fixed plate 2010 fixed connection of spring 203, slot 206 has been seted up to the other end of circle roller 201, the corresponding inserted slot 206 that injects of inserted block 102, the circle cover 204 will inject the inserted block 102 cover in the slot 206 to the other end of circle cover 204 supports printing roller main part 101. When the printing roller main body 101 is installed, the two circular sleeves 204 are moved away from each other, along with the movement of the circular sleeves 204, the fixing plate 2010 drives the connecting rod 202 to move, the connecting rod 202 is inserted into the circular roller 201, the springs 203 at the moment are compressed, the inserting blocks 102 at the two ends of the printing roller main body 101 are correspondingly inserted into the slots 206 formed in the opposite ends of the two circular rollers 201, the circular sleeves 204 are loosened, under the elastic action of the springs 203, the two circular sleeves 204 move relatively to cover the inserting blocks 102, the arc-shaped surfaces of the transverse outer walls of the inserting blocks 102 are in fit contact with the inner walls of the circular sleeves 204, the other ends of the circular sleeves 204 abut against the printing roller main body 101, under the action of the circular sleeves 204, the inserting blocks 102 are kept stable in the slots 206, the circular rollers 201 drive the inserting blocks 102 to rotate when rotating, and therefore the printing roller main body 101 rotates to perform printing operation. When the printing roller main body 101 is disassembled, the two round sleeves 204 are moved away from each other, the round sleeves 204 do not cover the insertion blocks 102 any more, the insertion blocks 102 are taken out of the insertion slots 206, and the printing roller main body 101 can be directly taken out. The printing roller assembly 1 can be quickly installed and detached, and the working strength is reduced while the time is saved.

Specifically, the adjusting assembly 3 includes a connecting frame 302 and a moving block 305, two sliding rails 303 are symmetrically and fixedly connected to the inner wall of the connecting frame 302, two sides of the moving block 305 are respectively connected with the inner wall of the connecting frame 302 in a sliding manner through the sliding rails 303, and the moving block 305 moves more smoothly when moving up and down in the connecting frame 302 through the sliding rails 303. The top end of the connecting frame 302 is fixedly connected with a hydraulic cylinder 301, the hydraulic cylinder 301 is connected with an external control mechanism, a hydraulic rod extending out of the bottom end of the hydraulic cylinder 301 penetrates through the top end of the connecting frame 302 and is fixedly connected with the top end of the moving block 305, and the hydraulic cylinder 301 drives the hydraulic cylinder 301 to move up and down in the connecting frame 302.

Furthermore, four baffles 304 are fixedly connected to the inside of the connecting frame 302 in a rectangular array, and the four baffles 304 respectively contact the moving blocks 305. The stop 304 limits the moving block 305, further enabling the moving block 305 to stably move up and down in the connecting frame 302.

Still further, one end of the round roller 201 is connected with an inner ring of a bearing 208, an outer ring of the bearing 208 is embedded and installed on one side of the moving block 305 opposite to one end of the round roller 201, and the round roller 201 rotates relative to the moving block 305 through the bearing 208. A driving mechanism on the printing machine penetrates through the moving block 305 to be in butt joint with the round roller 201, and the driving and connecting assembly 2 rotates to drive the printing roller assembly 1 to rotate for printing.

Furthermore, two limiting strips 205 are fixedly connected to the inner wall of the round sleeve 204 in a transversely symmetrical manner, two first limiting grooves 103 are formed in the outer wall of the inserting block 102 in a transversely symmetrical manner, two second limiting grooves 209 are formed in the outer wall of the round roller 201 between the through groove 207 and the inserting groove 206 in a transversely symmetrical manner, the second limiting grooves 209 are communicated with the first limiting grooves 103, and the limiting strips 205 are correspondingly inserted into the second limiting grooves 209 and the first limiting grooves 103. After the round sleeve 204 covers the plug block 102, the limiting strip 205 is correspondingly inserted into the second limiting groove 209 and the first limiting groove 103, and in the rotating process of the printing roller main body 101, the limiting strip 205 is in butt joint with the second limiting groove 209 and the first limiting groove 103, so that the limiting effect of the round sleeve 204 on the plug block 102 is better, and the connected printing roller main body 101 is more stable.

It should be noted that the limiting strips 205 are designed to have a trapezoid structure, the small end surfaces of the limiting strips 205 face the round roller 201, and the second limiting grooves 209 and the first limiting grooves 103 are respectively matched with the limiting strips 205. The limit strip 205, the second limit groove 209 and the first limit groove 103 which are designed in a trapezoidal structure are butted, so that the limit effect of the round sleeve 204 on the insertion block 102 is better.

The working principle is as follows: when installation printing roller main part 101, with two round cover 204 back of the body removal, along with the removal of round cover 204, fixed plate 2010 drives connecting rod 202 and removes, connecting rod 202 injects in the round roller 201, spring 203 this moment is compressed, inject the relative slot 206 that one end was seted up of two round rollers 201 with the inserted block 102 correspondence of printing roller main part 101 both ends, loosen round cover 204, under the spring action of spring 203, two round cover 204 relative movement cover inserted block 102, spacing 205 corresponds injects in second spacing groove 209 and first spacing groove 103, the arcwall face and the laminating contact of round cover 204 inner wall of the horizontal outer wall of inserted block 102, and the round cover 204 other end supports printing roller main part 101. When the printing roller main body 101 is disassembled, the two round sleeves 204 are moved away from each other, the round sleeves 204 do not cover the insertion blocks 102 any more, the insertion blocks 102 are taken out of the insertion slots 206, and the printing roller main body 101 is directly taken out.

It will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, and that the present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims (6)

1. A printing roller adjusting mechanism for printing comprises a printing roller assembly (1) and is characterized in that: two ends of the printing roller assembly (1) are respectively connected with a connecting assembly (2), and one end of each of the two connecting assemblies (2) which is deviated from each other is rotatably connected with an adjusting assembly (3);

the printing roller assembly (1) consists of a printing roller main body (101) and insertion blocks (102), wherein the insertion blocks (102) are fixedly connected to the middles of two ends of the printing roller main body (101) respectively;

the connecting assembly (2) comprises a round roller (201) and a connecting rod (202), one end of the round roller (201) rotates relative to the adjusting assembly (3) through a bearing (208), a transverse through groove (207) is formed in the round roller (201), the connecting rod (202) is inserted into the through groove (207) from a round hole in one end of the round roller (201), a spring (203) is sleeved on the connecting rod (202) in the through groove (207), a round sleeve (204) is sleeved at the other end of the round roller (201), a fixing plate (2010) is fixedly connected to the middle of one end of the round sleeve (204), one end, extending into the through groove (207), of the connecting rod (202) is fixedly connected with the fixing plate (2010), one end of the spring (203) is fixedly connected with the inner wall of the through groove (207), the other end of the spring (203) is fixedly connected with the fixing plate (2010), a slot (206) is formed in the other end of the round roller (204), the slot (206) corresponds to the insertion block (102), the other end of the round sleeve (204) is inserted into the slot (206), and the printing block (102) is sleeved on the printing cover (101) of the round roller (204).

2. The printing roller adjustment mechanism according to claim 1, wherein: adjusting part (3) including connecting frame (302) and moving piece (305), two slide rails (303) of connecting frame (302) inner wall symmetry fixedly connected with, the both sides of moving piece (305) are respectively through slide rail (303) and connecting frame (302) inner wall sliding connection, connecting frame (302) top fixedly connected with pneumatic cylinder (301), the hydraulic stem that pneumatic cylinder (301) bottom stretched out passes and with moving piece (305) top fixed connection from connecting frame (302) top.

3. A printing roller adjustment mechanism according to claim 2, characterized in that: the connecting frame (302) is internally and fixedly connected with four baffles (304) in a rectangular array, and the four baffles (304) are respectively contacted with the moving block (305).

4. The printing roller adjustment mechanism according to claim 2, wherein: one end of the round roller (201) is connected with an inner ring of a bearing (208), an outer ring of the bearing (208) is embedded and installed on one side of the moving block (305) opposite to one end of the round roller (201), and the round roller (201) rotates relative to the moving block (305) through the bearing (208).

5. A printing roller adjustment mechanism according to claim 1, characterized in that: two spacing (205) of the horizontal symmetry fixedly connected with of circle cover (204) inner wall, two first spacing grooves (103) have been seted up to inserted block (102) outer wall horizontal symmetry, two second spacing grooves (209) have been seted up to circle roller (201) outer wall horizontal symmetry between groove (207) and slot (206) through, second spacing groove (209) and first spacing groove (103) intercommunication, spacing (205) correspond to inject in second spacing groove (209) and first spacing groove (103).

6. The printing roller adjustment mechanism according to claim 5, wherein: spacing (205) adopt the trapezoidal structure design, the little terminal surface of spacing (205) is towards round roller (201), second spacing groove (209) and first spacing groove (103) are respectively with spacing (205) phase-match.

Images