Flexographic printing machine sleeve plate-mounting adjusting mechanism
By combining the overprinting motor and the locking cylinder, the radial and lateral runout of the sleeve core is eliminated, thereby improving the printing accuracy and overprinting stability of the flexographic printing press.
Patent Information
- Application Number
- CN202520765629.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-22
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-22
AI Technical Summary
In existing flexographic printing presses, radial and lateral runout of the sleeve core occurs during high-speed printing, affecting printing accuracy.
The installation slide sleeve is moved laterally by a motor driven by an overprinting motor. The output shaft of the locking cylinder is inserted into the locking air chamber, increasing the air pressure to tighten the top slide sleeve and the sleeve core. Combined with the limiting hole, the radial and lateral runout of the sleeve core is eliminated.
It effectively eliminates radial and lateral runout of the sleeve core, improving printing accuracy and registration stability.
Smart Images

Figure CN223803229U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a flexographic printing machine, especially relates to a sleeve mounting plate adjusting mechanism of flexographic printing machine. BACKGROUND
[0002] The Chinese utility model with the publication number CN215096418U discloses a whole mobile type transverse register mechanism, and plate roller, screen wire roller and printing roller are arranged on the first mounting seat through petal support, the first motor drives screw rod to rotate, drives the first mounting seat to slide along the transverse guide rail, and transverse overprint is carried out, and in the high -speed printing process, sleeve core can occur radial jumping and transverse jumping. UTILITY MODEL CONTENTS
[0003] In view of the technical problems in the background art, the utility model aims at providing a sleeve mounting plate adjusting mechanism of flexographic printing machine, and the locking cylinder action sleeves the sleeve core with the top head sliding sleeve, and the radial jumping and transverse jumping of sleeve core are eliminated.
[0004] To solve the above technical problems, the utility model adopts the following technical scheme: the sleeve mounting plate adjusting mechanism of flexographic printing machine, including two side wallboards, first mounting seat and second mounting seat, first mounting seat and second mounting seat are arranged on the two side wallboards respectively, locking cylinder and guide sleeve are equipped on the first mounting seat, the top head sliding sleeve for sleeve core installation is arranged in the guide sleeve and slides horizontally, the top head sliding sleeve is equipped with the limiting hole corresponding to the outer contour of sleeve core, the guide sleeve and the top head sliding sleeve form the locking air cavity together, the other end of the guide sleeve is equipped with the locking cylinder, the output shaft of the locking cylinder extends into the locking air cavity, the installation sliding sleeve and the overprint motor are equipped on the second mounting seat, the installation sliding sleeve moves horizontally, one end of the installation sliding sleeve is equipped with the driving motor, the other end of the installation sliding sleeve is equipped with the opening for sleeve core to pass through, the overprint motor drives the installation sliding sleeve to move horizontally.
[0005] In this scheme, the overprint motor drives the installation sliding sleeve to move horizontally and drives the sleeve core to move horizontally for overprint, the output shaft of the locking cylinder extends into the locking air cavity, the air pressure increases, the top head sliding sleeve is sleeved with the sleeve core, the transverse jumping of the sleeve core is eliminated, and the limiting hole eliminates the radial jumping of the sleeve core.
[0006] Preferably, the other end of the installation sliding sleeve is equipped with the inflation sleeve for the sleeve core to pass through, the outer side of the inflation sleeve is equipped with the air inlet, the inner side of the inflation sleeve is equipped with the annular inflation cavity, and the annular inflation cavity is communicated with the air inlet.
[0007] In this scheme, the annular inflation cavity is communicated with the inflation port of the air core, and the rotation of the air core does not affect the air path communication.
[0008] Preferably, the overprint motor is connected with a screw rod, the screw rod is connected with a nut, and the nut is connected with the mounting sliding sleeve.
[0009] In this scheme, the screw rod and the nut are matched to complete the transmission.
[0010] Preferably, the inside of the inflatable sleeve is provided with a bearing and a sealing ring.
[0011] In this scheme, the bearing reduces the friction generated by the rotation of the sleeve core, and the sealing ring forms a reliable annular inflatable cavity.
[0012] Preferably, the mounting sliding sleeve is transversely arranged in the second mounting seat, the nut is connected with the mounting sliding sleeve through a driving block, and the second mounting seat is provided with a guide groove for the driving block to pass through and move transversely.
[0013] In this scheme, the second mounting seat guides the sliding of the mounting sliding sleeve.
[0014] Preferably, the first mounting seat is arranged to slide on a guide rail, the guide rail is arranged to swing, the guide rail has a mounting state and an avoiding state, and the guide rail swings between the mounting state and the avoiding state.
[0015] In this scheme, the first mounting seat is pulled out, the guide rail swings to drive the first mounting seat to avoid, and the sleeve core is convenient to disassemble and assemble.
[0016] Preferably, the first mounting seat is provided with a positioning seat, the first mounting seat extends a locking block, the positioning seat is provided with a positioning groove corresponding to the locking block, and the positioning groove extends along the transverse direction.
[0017] In this scheme, the positioning groove is used for the locking block to enter, and the first mounting seat is longitudinally limited.
[0018] Preferably, the locking block is arranged below the first mounting seat, the positioning seat includes an adjusting block and a pad block, the adjusting block is arranged to adjust transversely on the pad block, the lower surface of the adjusting block is attached to the upper surface of the pad block and is arranged to be inclined along the transverse direction, and the positioning groove is arranged on the adjusting block.
[0019] In this scheme, there is a gap between the first mounting seat and the guide rail, the adjusting block is adjusted transversely, the adjusting block is lifted along the inclined surface of the pad block, the first mounting seat is lifted through the cooperation of the positioning groove and the locking block, the concentricity of the two ends of the sleeve core is ensured, and the machining error and the assembly error are eliminated.
[0020] Preferably, the locking block and the positioning groove are in inverse T shape, the locking block is connected with a handle, and the locking block is threadedly connected with the first mounting seat.
[0021] In this scheme, the handle is rotated to drive the locking block to lift, and unlocking and locking are realized.
[0022] Preferably, the head sleeve is provided with a rotating head, and the head is provided with the limiting hole.
[0023] In this scheme, the head rotates with the sleeve core, and the head sleeve is relatively fixed, thereby ensuring the sealing of the locking air cavity.
[0024] The utility model discloses a beneficial effect is, the overprint motor drive installation sliding sleeve horizontal movement drives sleeve core horizontal shift to overprint, and the locking cylinder output shaft goes into the locking air cavity, and the air pressure increases, and the head sleeve is tightly sleeved with sleeve core, and the lateral jumping of sleeve core is eliminated, and the radial jumping of sleeve core is eliminated by the limiting hole. BRIEF DESCRIPTION OF DRAWINGS
[0025] The embodiments and examples of the utility model will be described below in conjunction with the drawings.
[0026] Figure 1 It is the three-dimensional structure schematic diagram of the utility model.
[0027] Figure 2 It is the sectional view of the utility model.
[0028] Figure 3 It is the three-dimensional structure schematic diagram of the first mounting seat in the utility model.
[0029] In the drawing: 1, wallboard, 2, first mounting seat, 3, second mounting seat, 4, locking cylinder, 5, guide sleeve, 6, head sleeve, 8, locking air cavity, 9, installation sliding sleeve, 10, overprint motor, 11, drive motor, 12, inflation sleeve, 13, air inlet, 14, annular inflation cavity, 15, screw rod, 16, nut, 17, drive block, 18, guide rail, 19, locking block, 20, positioning seat, 21, positioning groove, 22, adjusting block, 23, cushion block, 24, handle, 25, head. DETAILED DESCRIPTION
[0030] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model; Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments, and all other embodiments obtained by the person skilled in the art without creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.
[0031] In the description of the present application, it should be understood that the terms "upper", "lower" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the purpose of facilitating the description of the present application and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application.
[0032] In the description of the present application, the terms "first", "second" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features.
[0033] Referring to the accompanying drawings Figures 1-2 , the sleeve adjusting mechanism of the flexographic printing machine in the embodiment of the present embodiment comprises two side wall plates 1, a first mounting seat 2 and a second mounting seat 3, the first mounting seat 2 and the second mounting seat 3 are respectively arranged on the two side wall plates 1, the first mounting seat 2 is provided with a locking air cylinder 4 and a guide sleeve 5, a top head 25 sliding sleeve 6 for mounting a sleeve core is horizontally arranged in the guide sleeve 5, the top head 25 sliding sleeve 6 is provided with a rotating top head 25, the top head 25 is provided with a limiting hole, the guide sleeve 5 and the top head 25 sliding sleeve 6 jointly form a locking air cavity 8, the other end of the guide sleeve 5 is provided with the locking air cylinder 4, the output shaft of the locking air cylinder 4 extends into the locking air cavity 8, the second mounting seat 3 is provided with a mounting sliding sleeve 9 and a sleeve printing motor 10, the mounting sliding sleeve 9 is horizontally arranged in the second mounting seat 3, one end of the mounting sliding sleeve 9 is provided with a driving motor 11, the other end of the mounting sliding sleeve 9 is provided with an opening for the sleeve core to pass through, the sleeve printing motor 10 is connected with a lead screw 15, the lead screw 15 is connected with a nut 16, the nut 16 is connected with the mounting sliding sleeve 9 through a driving block 17, the second mounting seat 3 is provided with a guide groove for the driving block 17 to pass through and move horizontally.
[0034] In the embodiment, when the sleeve is printed horizontally, the sleeve printing motor 10 drives the mounting sliding sleeve 9 to move horizontally through the lead screw 15 and the nut 16, the top head 25 sliding sleeve 6 aligns the center of the sleeve core, eliminates the gap between the lead screw 15 and the nut 16, and after the sleeve is printed in place, the locking air cylinder 4 acts, the output shaft deeply enters the locking air cavity 8, the air pressure increases to complete the locking, wherein the driving motor 11 is drivingly connected with the sleeve core through a shaft coupling; the locking air cavity 8 can be compressed to adapt to horizontal sleeve printing.
[0035] Referring to the accompanying drawings Figure 2 , the other end of the mounting sliding sleeve 9 is provided with an inflation sleeve 12 for the sleeve core to pass through, the outer side of the inflation sleeve 12 is provided with an air inlet 13, the inner side of the inflation sleeve 12 is provided with an annular inflation cavity 14, the annular inflation cavity 14 is communicated with the air inlet 13, and the inner side of the inflation sleeve 12 is provided with a bearing and a sealing ring.
[0036] In this embodiment, the air core is inflated by the inflation sleeve 12, and the air film is formed between the air core and the sleeve, which facilitates the disassembly of the sleeve, and the air inlet 13 is fixed, and the sleeve air core can be inflated at will, which solves the problems of misalignment of the air core air inlet and the air inlet hole and inconvenient operation.
[0037] Referring to the drawings Figures 1-3 The first mounting seat 2 is slidingly arranged on the guide rail 18, the guide rail 18 is swingably arranged, the guide rail 18 has a mounting state and an avoiding state, the guide rail 18 swings between the mounting state and the avoiding state, the first mounting seat 2 is provided with a positioning seat 20, the positioning seat 20 is provided with a positioning groove 21 corresponding to the locking block 19, the positioning groove 21 extends in the transverse direction, the locking block 19 is arranged below the first mounting seat 2, the positioning seat 20 includes an adjusting block 22 and a pad block 23, the adjusting block 22 is transversely arranged on the pad block 23, the lower surface of the adjusting block 22 is attached to the upper surface of the pad block 23 and is arranged in the transverse direction, the positioning groove 21 is arranged on the adjusting block 22, the locking block 19 and the positioning groove 21 are in the shape of an inverted T, the locking block 19 is connected with a handle 24, and the locking block 19 is threadedly connected with the first mounting seat 2.
[0038] In this embodiment, the two guide rails 18 are reversely swung into the avoiding state during plate mounting, the sleeve core is mounted into the mounting sleeve 9 to the position, the guide rail 18 is swung back to the mounting state, the first mounting seat 2 is pushed along the guide rail 18, the locking block 19 enters the positioning groove 21, after the first mounting seat 2 is pushed to the position, the handle 24 is rotated to finely adjust the locking block 19, and the upper surface of the locking block 19 abuts against the positioning groove 21 to complete positioning.
[0039] When the concentricity of the sleeve core is adjusted, the transverse fine adjustment of the adjusting block 22 changes the height of the first mounting seat 2, so that the concentricity of the first mounting seat 2 and the second mounting seat 3 is ensured, wherein one end of the guide rail 18 is connected with a rotating bearing; the adjusting block 22 is threadedly connected with a limiting screw, the pad block 23 is threadedly connected with a positioning screw, the limiting screw is threadedly connected with the adjusting block 22 through a through hole in the pad block 23, the adjusting block 22 is limited to move away from the through hole, the positioning screw abuts against the adjusting block 22 to limit the adjusting block 22 to move close to the through hole, and the two cooperate to realize positioning of the adjusting block 22, and the adjusting can be realized by changing the depth of the threaded connection; the positioning groove 21 is formed by the adjusting block 22 and the pad block 23, and a positioning block can be arranged in the positioning groove 21; the guide rail 18 can be provided with a swing positioning block, so that the guide rail 18 is swung to the position to be in the mounting state; the second mounting seat 3 is also provided with a sleeve core extractor driven by a pneumatic cylinder.
[0040] The above is the preferred embodiment of the present application, it should be pointed out that the protection scope of the present application is not limited to this. For those skilled in the art, without departing from the technical range disclosed by the present application, on the premise of equivalent application concept, a plurality of improvements and refinements or equivalent replacements can also be made, which is also regarded as the protection scope of the present application.
Claims
1. A flexographic printing press sleeve mount adjustment mechanism characterized by: The utility model provides a kind of two-sided wallboard (1), which is respectively provided with first mounting seat (2) and second mounting seat (3) on it. First mounting seat (2) is provided with locking cylinder (4) and guide sleeve (5) on it, the guide sleeve (5) is provided with the head (25) slide sleeve (6) for installing sleeve core inside transversely sliding, the head (25) slide sleeve (6) is provided with the limiting hole corresponding the outer contour of sleeve core, the guide sleeve (5) and the head (25) slide sleeve (6) form locking air cavity (8) jointly, the guide sleeve (5) is provided with the locking cylinder (4) at the other end, the output shaft of the locking cylinder (4) extends into the locking air cavity (8). Second mounting seat (3) is provided with mounting slide sleeve (9) and sleeve printing motor (10) on it, the mounting slide sleeve (9) is transversely movably arranged, the mounting slide sleeve (9) is provided with driving motor (11) at one end, the other end of the mounting slide sleeve (9) is provided with an opening for the sleeve core to pass through, and the sleeve printing motor (10) drives the mounting slide sleeve (9) to move transversely. The other end of the mounting slide sleeve (9) is provided with an inflation sleeve (12) for the sleeve core to pass through, the inflation sleeve (12) is provided with an air inlet (13) on the outside, and the inflation sleeve (12) is provided with an annular inflation cavity (14) on the inside, which is in communication with the air inlet (13).
2. A sleeve mount plate adjustment mechanism for a flexographic printing press as claimed in claim 1, characterized in that: The sleeve printing motor (10) is connected with a lead screw (15), the lead screw (15) is connected with a nut (16), and the nut (16) is connected with the mounting slide sleeve (9).
3. A sleeve mount plate adjustment mechanism for a flexographic printing press as claimed in claim 1, characterized in that: The inside of the inflation sleeve (12) is provided with a bearing and a sealing ring.
4. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 2, characterized in that: The mounting slide sleeve (9) is transversely movably arranged in the second mounting seat (3), the nut (16) is connected with the mounting slide sleeve (9) through a driving block (17), and the second mounting seat (3) is provided with a guide groove for the driving block (17) to pass through and move transversely.
5. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 3, characterized in that: The first mounting seat (2) is movably arranged on a guide rail (18), the guide rail (18) is swingably arranged, the guide rail (18) has a mounting state and an avoiding state, and the guide rail (18) swings between the mounting state and the avoiding state.
6. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 1, characterized in that: The first mounting seat (2) is provided with a positioning seat (20), the first mounting seat (2) extends a locking block (19), the positioning seat (20) is provided with a positioning groove (21) corresponding to the locking block (19), and the positioning groove (21) extends along the transverse direction.
7. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 6, characterised in that: The locking block (19) is arranged below the first mounting seat (2), the positioning seat (20) includes an adjusting block (22) and a pad block (23), the adjusting block (22) is transversely arranged on the pad block (23), the lower surface of the adjusting block (22) is attached to the upper surface of the pad block (23) and is arranged along the transverse direction, and the positioning groove (21) is arranged on the adjusting block (22).
8. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 7, characterised in that: The locking block (19) and the positioning groove (21) are in inverted T shape, the locking block (19) is connected with a handle (24), and the locking block (19) is threadedly connected with the first mounting seat (2).
9. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 8, characterised in that: 10. A flexographic printing press sleeve mounting adjustment mechanism as claimed in claim 1, characterized in that: The top head (25) sliding sleeve (6) is provided with a rotating top head (25), and the top head (25) is provided with the limiting hole.
Citation Information
Patent Citations
Integral moving type transverse registration mechanism
CN215096418U