Knife rest for quickly installing ink scraper
By designing the housing, connecting plate, sliding plate, drive mechanism, limiting mechanism, and disassembly mechanism, the problems of cumbersome replacement and difficult cleaning of existing ink doctor blade holders have been solved, realizing the quick loading and unloading and stable clamping of ink doctor blades, thus improving printing efficiency and effect.
Patent Information
- Application Number
- CN202520621194.0
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-01-16
- Estimated Expiration
- 2035-04-03
AI Technical Summary
The existing ink doctor blade holder design makes changing the doctor blade cumbersome and difficult to clean, affecting production efficiency and printing results.
The design includes a housing, connecting plate, sliding plate, drive mechanism, limit mechanism, and disassembly mechanism. Through push rod, locking assembly, and snap-fit assembly, the ink doctor blade can be quickly installed, removed, and stably clamped, simplifying the replacement process and improving stability.
It enables quick replacement and cleaning of the ink doctor blade, improves production efficiency, enhances the stability of the printing process and printing effect, and reduces usage costs.
Smart Images

Figure CN223803257U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to ink scraper knife rest technical field, concretely relates to a kind of ink scraper quick tool mounting knife rest. BACKGROUND
[0002] Ink scraper knife rest is important accessory in printing machinery, mainly used to fix and adjust the position of ink scraper, to ensure the uniformity of ink in the printing process and transfer. The design and material of ink scraper knife rest have important influence on its performance. High-quality ink scraper rest usually adopts aluminum alloy material, which is light and solid, can firmly fix blade. In design, good knife rest should have the function of flexible adjustment of blade angle, to reduce wear and prolong service life. Ink scraper is mainly applied to printing machinery industry, including gravure printing, flexographic printing, plastic printing etc. According to the printing speed, ink scraper is divided into low-speed, medium-speed and high-speed machine scraper, suitable for the long-term and high-speed demand of modern gravure printing.
[0003] The existing ink scraper knife rest technology has the following shortcomings:
[0004] 1. Most of the existing ink scraper clamping plates are designed as an integral installation with the knife rest, which is not easy to replace if damaged, and it is also inconvenient to clean the residual ink on the knife rest.
[0005] 2. The existing knife rest for installing ink scraper is generally designed to be disassembled by several bolts. When the ink scraper needs to be replaced, the several bolts need to be disassembled one by one, and then the several bolts need to be tightened one by one after the scraper is installed. The replacement process is very tedious, which reduces the disassembly efficiency. INVENTION CONTENTS
[0006] The utility model aims at providing a kind of ink scraper quick tool mounting knife rest.
[0007] To achieve this purpose, the utility model adopts the following technical solutions:
[0008] Provide a kind of ink scraper quick tool mounting knife rest, including shell, connecting plate and sliding plate, connecting plate is fixedly connected with shell, sliding plate is slidably arranged on the inner wall of shell, and sliding plate is located below connecting plate;
[0009] It also includes driving mechanism, limiting mechanism, dismounting mechanism and two clamping plates, two clamping plates are fixedly arranged on dismounting mechanism, and two clamping plates are tightly attached to connecting plate and sliding plate respectively;
[0010] Driving mechanism is fixedly arranged between shell and sliding plate, and driving mechanism includes two push components and two push rods, two push components are arranged at two ends of sliding plate respectively, each push rod is arranged on one push component, and two push rods pass through shell;
[0011] The limiting mechanism is arranged on the shell, and comprises two locking assemblies and two sliding rods.
[0012] The dismounting mechanism is fixedly arranged between the connecting plate and the sliding plate, and comprises four clamping assemblies.
[0013] Preferably, each pushing assembly comprises a missing-tooth gear, a rack, a return spring and a rotating shaft, the rack is fixedly arranged at one end of the sliding plate, the return spring is fixedly arranged between the top of the rack and the inner top of the shell, the rotating shaft is rotatably arranged in the shell, the missing-tooth gear is fixedly arranged on the rotating shaft, and the missing-tooth gear is in meshing connection with the rack.
[0014] Preferably, each locking assembly comprises a connecting block, an extension spring, a supporting block and a locking block, the locking block is rotatably arranged in the shell, the supporting block is fixedly arranged at the bottom of the locking block, the connecting block is fixedly arranged in the shell, the extension spring is fixedly arranged between the connecting block and the supporting block, the sliding rod is fixedly connected with the top of the locking block, the outer wall of the locking block is provided with a clamping groove for inserting the pushing rod, and the top of the locking block is provided with a round corner.
[0015] Preferably, each clamping assembly comprises a buckle, a mounting seat, two hinged pieces and two abutting springs, the mounting seat is fixedly arranged on one of the clamping plates, the two hinged pieces are symmetrically arranged on the mounting seat and are hinged, the buckle is fixedly arranged on the connecting plate, and each abutting spring is fixedly arranged between the top end of the mounting seat and the outer wall of one of the hinged pieces.
[0016] Preferably, a protective sleeve is sleeved on each sliding rod, and the protective sleeve is made of rubber material.
[0017] Preferably, the inner walls of the shell are provided with sliding grooves at two ends, and the sliding plate is in sliding connection with the two sliding grooves through two sliding rods.
[0018] Preferably, four screw holes are symmetrically arranged on the outer walls of the two ends of the shell.
[0019] Preferably, L-shaped avoiding grooves for rotating the pushing rods are arranged at the two ends of the shell.
[0020] The utility model discloses the beneficial effects of:
[0021] 1. The knife holder is provided with a dismounting mechanism on the clamping plate, so that when the clamping plate is damaged, the clamping plate can be quickly replaced in time, the whole knife holder does not need to be dismounted and replaced, production efficiency is improved, production cost is saved, the clamping plate can be quickly dismounted after printing, and residual ink on the clamping plate can be cleaned, so that the whole knife holder does not need to be cleaned.
[0022] 2. The knife holder is provided with a limiting mechanism inside the shell, so that the push rod can be completely matched with the slot on the outer wall of the lock block, thereby enhancing the stability of the ink scraper during use, avoiding uneven printing caused by scraper vibration during high-speed printing, and improving the printing effect.
[0023] 3. The knife holder is symmetrically provided with four screw holes on the outer wall of the shell at both ends, which facilitates the installation of the knife holder and improves work efficiency without complicated process. BRIEF DESCRIPTION OF DRAWINGS
[0024] In order to more clearly illustrate the technical solutions of the embodiments of the present application, the drawings in the embodiments of the present application are briefly introduced as follows.
[0025] Figure 1 is a schematic view of the three-dimensional structure of the present application;
[0026] Figure 2 is a plane cross-section of the present application Figure 1 ;
[0027] Figure 3 is a plane cross-section of the present application Figure 2 ;
[0028] Figure 4 is Figure 3 an enlarged schematic view of position A in the present application;
[0029] Figure 5 is a plane cross-section of the present application Figure 3 ;
[0030] Figure 6 is Figure 5 an enlarged schematic view of position B in the present application;
[0031] Figure 7 is a rear view of the present application;
[0032] The reference signs are: 1, shell; 2, connecting plate; 3, sliding plate; 4, clamping plate; 5, push rod; 6, sliding rod; 7, arc-shaped sliding groove; 8, missing tooth gear; 9, rack; 10, return spring; 11, rotating shaft; 12, connecting block; 13, extension spring; 14, supporting block; 15, lock block; 16, round corner; 17, buckle; 18, mounting seat; 19, hinged piece; 20, abutting spring; 21, anti-skid sleeve; 22, screw hole; 23, L-shaped avoidance groove. DETAILED DESCRIPTION
[0033] The technical solutions of the present application will be further illustrated by specific embodiments in combination with the drawings.
[0034] The accompanying drawings are only used for illustrative purposes, and the representation is only a schematic diagram, not a physical diagram, and cannot be understood as a limitation of the patent; in order to better illustrate the embodiments of the present application, some components of the drawings may be omitted, enlarged or reduced, and do not represent the size of the actual product.
[0035] Referring to Figures 1 to 7 As shown in the figure, an ink scraper quick knife mounting rack includes a shell 1, a connecting plate 2 and a sliding plate 3, the connecting plate 2 is fixedly connected with the shell 1, and the sliding plate 3 is slidingly arranged on the inner wall of the shell 1, and the sliding plate 3 is located directly below the connecting plate 2;
[0036] It also includes a driving mechanism, a limiting mechanism, a dismounting mechanism and two clamping plates 4, the two clamping plates 4 are fixedly arranged on the dismounting mechanism, and the two clamping plates 4 are tightly attached to the connecting plate 2 and the sliding plate 3, respectively;
[0037] The driving mechanism is fixedly arranged between the shell 1 and the sliding plate 3, the driving mechanism includes two pushing assemblies and two push rods 5, the two pushing assemblies are arranged at two ends of the sliding plate 3, respectively, each push rod 5 is arranged on one pushing assembly, and the two push rods 5 pass through the shell 1;
[0038] The limiting mechanism is arranged on the shell 1, the limiting mechanism includes two locking assemblies and two sliding rods 6, the two locking assemblies are arranged in the shell 1, respectively, the two sliding rods 6 are symmetrically inserted into the shell 1, each sliding rod 6 is fixedly connected with one locking assembly, and the shell 1 is symmetrically provided with an arc-shaped sliding groove 7 for sliding of the two sliding rods 6;
[0039] The dismounting mechanism is fixedly arranged between the connecting plate 2 and the sliding plate 3, and the dismounting mechanism includes four clamping assemblies, the four clamping assemblies are symmetrically arranged on the connecting plate 2 and the sliding plate 3.
[0040] Referring to Figures 1 to 7As shown, each pushing assembly comprises a missing tooth gear 8, a rack 9, a return spring 10 and a rotating shaft 11, the rack 9 is fixedly arranged at one end of the sliding plate 3, the return spring 10 is fixedly arranged between the top of the rack 9 and the inner top of the shell 1, the rotating shaft 11 is rotatably arranged in the shell 1, the missing tooth gear 8 is fixedly arranged on the rotating shaft 11, the missing tooth gear 8 is meshingly connected with the rack 9, the push rod 5 is fixedly connected with the missing tooth gear 8, when the installation work of the ink doctor blade is carried out, first manually place the ink doctor blade horizontally between the two clamping plates 4, then the worker holds the push rod 5 and pulls it to the end close to the protective sleeve 21, since the push rod 5 is fixedly connected with the missing tooth gear 8, the missing tooth gear 8 is meshingly connected with the rack 9, and the rack 9 is fixedly connected with one end of the sliding plate 3, so that the missing tooth gear 8 rotates, thereby driving the rack 9 to vertically rise, so that the sliding plate 3 vertically rises under the driving of the rack 9, thereby driving the clamping plate 4 at the top of the sliding plate 3 to close to the clamping plate 4 at the bottom of the connecting plate 2, realizing clamping of the ink doctor blade, in this process, since the return spring 10 is fixedly arranged between the top of the rack 9 and the inner top of the shell 1, the return spring 10 changes from the initial state to the contraction state, when the ink doctor blade needs to be removed, the reverse is true.
[0041] With reference to Figures 1 to 7As shown, each locking assembly comprises a connecting block 12, a telescopic spring 13, a supporting block 14 and a locking block 15, the locking block 15 is rotatably arranged in the interior of the shell 1, the supporting block 14 is fixedly arranged at the bottom of the locking block 15 and fixedly connected with the shell 1, the connecting block 12 is fixedly arranged in the interior of the shell 1, the telescopic spring 13 is fixedly arranged between the connecting block 12 and the locking block 15, the slide rod 6 is fixedly connected with the top of the locking block 15, the outer wall of the locking block 15 is provided with a clamping groove for the push rod 5 to insert, the top of the locking block 15 is provided with a round corner 16, when the push rod 5 is manually pulled to rotate towards the end close to the protective sleeve 21, the push rod 5 is in contact with the round corner 16 due to the design of the round corner 16 on the top of the locking block 15, and the locking block 15 is rotated due to the rotatable connection between the locking block and the shell 1, at this time, the telescopic spring 13 changes from the initial state to the stretched state, when the push rod 5 is pulled to be horizontal, the push rod 5 will be completely clamped into the clamping groove on the outer wall of the locking block 15, at this time, the push rod 5 is no longer in contact with the locking block 15, so that the locking block 15 rotates back to the original position under the reset action of the telescopic spring, thereby locking the push rod 5, so as to realize the stable clamping of the ink scraper by the clamping plate 4, when the ink scraper needs to be removed, the slide rod 6 is pulled along the arc-shaped sliding groove 7 by hand, the locking block 15 is rotated due to the fixed connection between the slide rod 6 and the top of the locking block 15, so that the push rod 5 can rotate away from the end of the slide rod 6, since the connecting block 12 is fixedly connected with the inner wall of the shell 1 and the connecting block 12 and the locking block 15 are fixedly connected with the two ends of the telescopic spring 13 respectively, when the push rod 5 is pulled out of the clamping groove on the outer wall of the locking block 15, the telescopic spring 13 in the stretched state changes to the contracted state, so that the locking block 15 can be accurately restored to the initial position under the pulling force of the telescopic spring 13, so as to prevent the position of the locking block 15 from being deviated due to the excessive pulling force of the telescopic spring 13.
[0042] Referring to Figures 1 to 7As shown, each clamping assembly comprises a buckle 17, a mounting seat 18, two hinged pieces 19 and two abutting springs 20, the mounting seat 18 is fixedly arranged on one of the clamping plates 4, the two hinged pieces 19 are symmetrically arranged on the mounting seat 18 and are hinged, the buckle 17 is fixedly arranged on the connecting plate 2, and each abutting spring 2010 is fixedly arranged between the top end of the mounting seat 18 and the outer wall of one of the hinged pieces 19. When the slide plate 3 is lifted under the drive of the rack 9, since the mounting seat 18 is fixedly connected with one of the clamping plates 4 and the buckle 17 is fixedly connected with the slide plate 3, the clamping plate 4 below is lifted under the drive of the slide plate 3, thereby achieving clamping of the ink doctor blade. When the ink doctor blade needs to be removed, the above-mentioned process is reversed. When one of the clamping plates 4 needs to be removed, the clamping plate 4 is manually gripped and pulled away from the buckle 17. When the two hinged pieces 19 are resisted by the buckle 17, the two abutting springs 20 are retracted. Since the top end of the mounting seat 18 and the outer wall of one of the hinged pieces 19 are fixedly connected with the two ends of each abutting spring 20 respectively, and the two hinged pieces 19 are hinged, the two hinged pieces 19 are opened, the buckle 17 is separated from the two hinged pieces 19, the clamping plate 4 and the slide plate 3 are disassembled, and replacement is facilitated. When the clamping plate 4 needs to be installed, the above-mentioned process is reversed. Therefore, when one of the clamping plates 4 is damaged, it can be replaced without replacing the entire knife holder, thereby reducing the use cost.
[0043] Referring to Figures 1 to 7 As shown, a protective sleeve 21 is sleeved on each slide rod 6, the protective sleeve 21 is made of rubber material, the protective sleeve 21 facilitates manual gripping of the slide rod 6, thereby increasing the friction force, facilitating workers to pull the slide rod 6, improving the unlocking efficiency of the push rod 5, and improving the comfort of the workers' hands, thereby improving the use experience of the present knife holder.
[0044] Referring to Figures 1 to 7 As shown, the inner walls of the shell 1 are provided with sliding grooves at both ends, the slide plate 3 is slidably connected with the two sliding grooves through two sliding rods, so that the slide plate 3 can stably reciprocate, thereby facilitating the clamping plate 4 on the top of the slide plate 3 to stably approach or move away from the clamping plate 4 at the bottom of the connecting plate 2, and achieving disassembly and assembly of the ink doctor blade.
[0045] Referring to Figures 1 to 7 As shown, four screw holes 22 are symmetrically arranged on the outer walls of both ends of the shell 1, and eight screw holes 22 are matched, thereby facilitating fixed installation of the ink doctor blade holder with existing equipment and improving the matching use effect of the present knife holder with existing equipment.
[0046] Referring to Figures 1 to 7 As shown, L-shaped avoiding grooves 23 are formed in both ends of the shell 1 for rotation of the push rod 5. When the worker grips the push rod 5 with his hand and pulls it towards the end close to the protective sleeve 21, the two L-shaped avoiding grooves 23 provide avoiding space for the two rotating push rods 5, thereby achieving avoiding effect.
Claims
1. An ink scraper quick knife mounting rack, comprising a shell (1), a connecting plate (2) and a sliding plate (3), the connecting plate (2) is fixedly connected with the shell (1), the sliding plate (3) is slidingly arranged on the inner wall of the shell (1), and the sliding plate (3) is located directly below the connecting plate (2), characterized in that: It also comprises a driving mechanism, a limiting mechanism, a dismounting mechanism and two clamping plates (4), the two clamping plates (4) are fixedly arranged on the dismounting mechanism, and the two clamping plates (4) are tightly attached to the connecting plate (2) and the sliding plate (3) respectively; The driving mechanism is fixedly arranged between the shell (1) and the sliding plate (3), the driving mechanism comprises two pushing assemblies and two push rods (5), the two pushing assemblies are arranged at two ends of the sliding plate (3) respectively, each push rod (5) is arranged on one pushing assembly, and the two push rods (5) penetrate through the shell (1); The limiting mechanism is arranged on the shell (1), the limiting mechanism comprises two locking assemblies and two sliding rods (6), the two locking assemblies are arranged in the shell (1) respectively, the two sliding rods (6) are symmetrically inserted into the shell (1), each sliding rod (6) is fixedly connected with one locking assembly, and the shell (1) is symmetrically provided with arc-shaped sliding grooves (7) for sliding of the two sliding rods (6); The dismounting mechanism is fixedly arranged between the connecting plate (2) and the sliding plate (3), and the dismounting mechanism comprises four clamping assemblies, the four clamping assemblies are symmetrically arranged on the connecting plate (2) and the sliding plate (3).
2. The quick blade loading holder for an ink blade according to claim 1, wherein: Each pushing assembly comprises a toothless gear (8), a rack (9), a return spring (10) and a rotating shaft (11), the rack (9) is fixedly arranged at one end of the sliding plate (3), the return spring (10) is fixedly arranged between the top of the rack (9) and the inner top of the shell (1), the rotating shaft (11) is rotatably arranged in the shell (1), and the toothless gear (8) is fixedly arranged on the rotating shaft (11). The toothless gear (8) is in meshing connection with the rack (9).
3. The quick-mounting blade holder for an ink blade according to claim 2, characterized in that: Each locking assembly comprises a connecting block (12), a telescopic spring (13), a supporting block (14) and a locking block (15), the locking block (15) is rotatably arranged in the shell (1), the supporting block (14) is fixedly arranged at the bottom of the locking block (15), the connecting block (12) is fixedly arranged in the shell (1), the telescopic spring (13) is fixedly arranged between the connecting block (12) and the supporting block (14), the sliding rod (6) is fixedly connected with the top of the locking block (15), the outer wall of the locking block (15) is provided with a clamping groove for insertion of the push rod (5), and the top of the locking block (15) is provided with a round corner (16).
4. The quick-mounting blade holder for an ink blade according to claim 3, characterized in that: Each clamping assembly comprises a buckle (17), a mounting seat (18), two hinged pieces (19) and two abutting springs (20), the mounting seat (18) is fixedly arranged on one of the clamping plates (4), the two hinged pieces (19) are symmetrically arranged on the mounting seat (18) and are hinged, the buckle (17) is fixedly arranged on the connecting plate (2), and each abutting spring (20) is fixedly arranged between the top end of the mounting seat (18) and the outer wall of one of the hinged pieces (19).
5. The quick change blade holder for an ink knife according to claim 4, wherein: A protective sleeve (21) is sleeved on each sliding rod (6), and the protective sleeve (21) is made of rubber material.
6. The quick change blade holder for an ink knife according to claim 5, wherein: The inner wall of the shell (1) is provided with a sliding groove at both ends, and the sliding plate (3) is slidably connected with the two sliding grooves through two sliding strips.
7. The quick change blade holder for an ink knife according to claim 6, wherein: The outer wall of the shell (1) is symmetrically provided with four screw holes (22) at both ends.
8. The quick-change blade holder for an ink knife according to claim 7, wherein: The L-shaped avoiding grooves (23) for the rotation of the push rod (5) are arranged at both ends of the shell (1).
Citation Information
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