Plastic scraper positioning and polishing device

Abstract

The utility model relates to the technical field of printing machine auxiliary devices, in particular to a plastic scraper positioning and polishing device. Through the arrangement of a first lead screw guide rail assembly, a first nut sliding block, a second lead screw guide rail assembly, a second nut sliding block, a third lead screw guide rail assembly, a third nut sliding block, a fourth nut sliding block, a first tool apron, a second tool apron, a first doctor blade, a second doctor blade, a first doctor blade grinding mechanism, a second doctor blade grinding mechanism and the like. In the process that one doctor blade moves to abut against the surface of the printing roller to conduct ink scraping, the other doctor blade moves to the corresponding doctor blade grinding mechanism area to conduct grinding, the two doctor blades are alternately used and ground, the interruption time for replacing the doctor blades is effectively shortened, and the production efficiency is improved; as the doctor blade can be repeatedly used after being polished, the doctor blade does not need to be directly discarded after being abraded, the utilization rate of the doctor blade is improved, and the production cost is saved.

Description

Technical Field

[0001] The utility model relates to the technical field of auxiliary devices for printing machines, in particular to a positioning and polishing device for plastic scrapers. Background Art

[0002] The printing press structure includes an ink tank, a printing roller and an embossing roller. The lower part of the printing roller is immersed in the ink tank, and the embossing roller is pressed against the upper part of the printing roller. Under the joint rotation and guidance of the printing roller and the embossing roller, the film passes through the gap between the embossing roller and the printing roller. The ink stained on the printing roller is transferred to the film during the passing process. Since the ink stained on the printing roller may not be uniform, a scraper is usually designed in the printing press structure. The blade of the scraper is close to the circumferential surface of the printing roller, so that the excess ink will be blocked by the scraper and scraped off, thereby ensuring the uniformity of printing.

[0003] The body of the ink scraper is made of plastic and is clamped on the scraper seat as a consumable. When the ink scraper rubs against the ink on the surface of the printing roller for a long time, it is easy to wear and affect the ink scraping effect. Therefore, in order to improve production efficiency, the existing practice is to regularly disassemble the ink scraper and replace it with a new one. However, the process of replacing a new ink scraper still takes a long time, resulting in a longer printing time; and the utilization rate of the ink scraper is low, which increases the production cost of film printing. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a plastic scraper positioning and grinding device, which can improve the utilization rate of the scrapers, reduce production costs and shorten the interruption time of printing by using and grinding two scrapers alternately.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] Plastic scraper positioning and grinding device, comprising:

[0007] frame;

[0008] An ink tank connected to the frame;

[0009] A printing roller, wherein the axial direction of the printing roller is the X direction, the printing roller is rotatably connected to the frame, and the lower part of the printing roller is immersed in the ink tank;

[0010] An embossing roller, the circumferential direction of the embossing roller is the X direction, the embossing roller is rotatably connected to the frame, and the lower part of the embossing roller is pressed against the upper part of the printing roller;

[0011] A first screw guide rail assembly, wherein the first screw guide rail assembly is connected to the frame in a vertical direction;

[0012] A first nut slider, wherein the first nut slider is slidably connected to the first screw guide rail assembly;

[0013] A second screw guide rail assembly, wherein the second screw guide rail assembly is connected to the frame in a vertical direction, and the second screw guide rail assembly and the first screw guide rail assembly are symmetrically distributed on the X-direction side and the X-direction reverse side of the printing roller, respectively;

[0014] A second nut slider, wherein the second nut slider is slidably connected to the second screw guide rail assembly;

[0015] A third screw guide rail assembly, wherein the axial direction of the third screw guide rail assembly is connected between the first screw nut slider and the second screw nut slider in the X direction;

[0016] A third nut slider, wherein the third nut slider is slidably connected to the third screw rod guide rail assembly;

[0017] A fourth nut slider, wherein the fourth nut slider is slidably connected to the third screw rod guide rail assembly;

[0018] A first knife seat, wherein the first knife seat is connected to a third nut slider;

[0019] A second knife seat, wherein the second knife seat is connected to a fourth nut slider;

[0020] A first scraper, wherein the first scraper is detachably connected to the first blade holder;

[0021] A second scraper, wherein the second scraper is detachably connected to a second blade holder, and the first scraper is located at an X-direction side of the second scraper;

[0022] A first scraper grinding mechanism, wherein the first scraper grinding mechanism is arranged on the X-direction side of the printing roller;

[0023] The second scraper grinding mechanism is arranged on the X-direction reverse side of the printing roller.

[0024] Furthermore, in the above-mentioned plastic scraper positioning and polishing device structure, the first scraper polishing mechanism comprises:

[0025] A first lifting seat, wherein the first lifting seat is liftably connected to the frame;

[0026] A first lifting driving member, the first lifting driving member is connected between the frame and the first lifting seat, and is used to drive the first lifting seat to move;

[0027] A fourth screw guide rail assembly, wherein the fourth screw guide rail assembly is connected to the first lifting seat along the X direction;

[0028] A fifth nut slider, wherein the fifth nut slider is slidably connected to the fourth screw rod guide rail assembly;

[0029] A first grinding roller, wherein the first grinding roller is rotatably connected to the fifth nut slider, the axial direction of the first grinding roller is the Y direction, and the circumferential surface of the first grinding roller is provided with a first annular groove matching the shape of the first scraper blade edge; a grinding sand layer is provided at the first annular groove;

[0030] A first driving motor is connected to the first grinding roller in driving connection, and is used for driving the first grinding roller to rotate.

[0031] Furthermore, in the above-mentioned plastic scraper positioning and polishing device structure, the first lifting drive component includes one or more first telescopic cylinders arranged in the vertical direction, and the first telescopic cylinder is a pneumatic cylinder, a hydraulic cylinder or an electric cylinder.

[0032] Furthermore, in the above-mentioned plastic scraper positioning and polishing device structure, the second scraper polishing mechanism comprises:

[0033] A second lifting seat, the second lifting seat is liftably connected to the frame;

[0034] A second lifting drive member, the second lifting drive member is connected between the frame and the second lifting seat, and is used to drive the second lifting seat to move;

[0035] A fifth screw guide rail assembly, wherein the fifth screw guide rail assembly is connected to the second lifting seat along the X direction;

[0036] A sixth screw nut slider, wherein the sixth screw nut slider is slidably connected to the fifth screw rod guide rail assembly;

[0037] A second grinding roller, wherein the second grinding roller is rotatably connected to the sixth nut slider, the axial direction of the second grinding roller is the Y direction, and the circumferential surface of the second grinding roller is provided with a second annular groove matching the shape of the second scraper blade edge; a grinding sand layer is provided at the second annular groove;

[0038] A second driving motor is connected to the second grinding roller in driving connection, and is used for driving the second grinding roller to rotate.

[0039] Furthermore, in the above-mentioned plastic scraper positioning and polishing device structure, a first knife groove for fixing the first scraper is provided at the lower part of the first knife seat; the first scraper is fixed in the first knife groove by bolts.

[0040] Furthermore, in the above-mentioned plastic scraper positioning and polishing device structure, a second blade groove for fixing the second scraper is provided at the lower part of the second blade seat; the second scraper is fixed in the second blade groove by bolts.

[0041] The beneficial effects of the utility model are as follows: by arranging the first screw guide rail assembly, the first nut slider, the second screw guide rail assembly, the second nut slider, the third screw guide rail assembly, the third nut slider, the fourth nut slider, the first knife seat, the second knife seat, the first scraper, the second scraper, the first scraper grinding mechanism, the second scraper grinding mechanism and other structures, one of the scrapers is moved to abut against the surface of the printing roller to scrape ink, and the other scraper is moved to the corresponding scraper grinding mechanism area to grind, and the two scrapers are used and polished alternately, which effectively reduces the interruption time of replacing the scraper and improves production efficiency; because the scraper can be reused many times after grinding, it is no longer necessary to directly discard it after being worn, which improves the utilization rate of the scraper and saves production costs. BRIEF DESCRIPTION OF THE DRAWINGS

[0042] Figure 1 This is a structural schematic diagram of a plastic scraper positioning and grinding device according to a specific implementation mode of the utility model;

[0043] Figure 2 for Figure 1 A magnified view of part A;

[0044] Figure 3 for Figure 1 A magnified view of part B;

[0045] Description of labels:

[0046] 1. Frame;

[0047] 2. Ink tank;

[0048] 3. Printing roller;

[0049] 4. Imprinting roller;

[0050] 5. The first screw guide rail assembly;

[0051] 6. The first nut slider;

[0052] 10. The third nut slider;

[0053] 11. Fourth nut slider;

[0054] 12. First knife seat;

[0055] 13. Second knife seat;

[0056] 14. First scraper;

[0057] 15. Second scraper;

[0058] 16. First scraper grinding mechanism; 161. First lifting seat; 162. First lifting drive member; 163. Fourth screw guide rail assembly; 164. Fifth screw nut slider; 165. First grinding roller; 1651. First annular groove; 166. First drive motor. DETAILED DESCRIPTION

[0059] In order to explain the technical content, achieved objectives and effects of the present invention in detail, the following is an explanation in conjunction with the implementation modes and the accompanying drawings.

[0060] Please refer to Figures 1 to 3 The specific implementation of the utility model relates to a plastic scraper positioning and grinding device, comprising:

[0061] Rack 1;

[0062] An ink tank 2, wherein the ink tank 2 is connected to the frame 1;

[0063] A printing roller 3, wherein the axial direction of the printing roller 3 is the X direction, the printing roller 3 is rotatably connected to the frame 1, and the lower part of the printing roller 3 is immersed in the ink tank 2;

[0064] An embossing roller 4, wherein the circumferential direction of the embossing roller 4 is the X direction, the embossing roller 4 is rotatably connected to the frame 1, and the lower part of the embossing roller 4 is pressed against the upper part of the printing roller 3;

[0065] A first screw guide rail assembly 5, wherein the first screw guide rail assembly 5 is connected to the frame 1 along a vertical direction;

[0066] A first screw nut slider 6, wherein the first screw nut slider 6 is slidably connected to the first screw guide rail assembly 5;

[0067] A second screw guide assembly, wherein the second screw guide assembly is connected to the frame 1 in a vertical direction, and the second screw guide assembly and the first screw guide assembly 5 are symmetrically distributed on the X-direction side and the X-direction reverse side of the printing roller 3 respectively;

[0068] A second nut slider, wherein the second nut slider is slidably connected to the second screw guide rail assembly;

[0069] A third screw guide rail assembly, wherein the axial direction of the third screw guide rail assembly is connected between the first screw nut slider 6 and the second screw nut slider in the X direction;

[0070] A third screw nut slider 10, wherein the third screw nut slider 10 is slidably connected to the third screw guide rail assembly;

[0071] A fourth nut slider 11, wherein the fourth nut slider 11 is slidably connected to the third screw guide rail assembly;

[0072] A first knife seat 12, wherein the first knife seat 12 is connected to the third nut slider 10;

[0073] A second knife seat 13, wherein the second knife seat 13 is connected to the fourth nut slider 11;

[0074] A first scraper 14, wherein the first scraper 14 is detachably connected to the first blade holder 12;

[0075] A second scraper 15, wherein the second scraper 15 is detachably connected to the second blade holder 13, and the first scraper 14 is located at the X-direction side of the second scraper 15;

[0076] A first scraper grinding mechanism 16, wherein the first scraper grinding mechanism 16 is arranged on the X-direction side of the printing roller 3;

[0077] A second scraper grinding mechanism, wherein the second scraper grinding mechanism is arranged on the X-direction reverse side of the printing roller 3;

[0078] The polishing method of the plastic scraper positioning polishing device comprises the following steps:

[0079] Control the third screw guide rail assembly to drive the third nut slider 10 and the fourth nut slider 11 to move, so that the second scraper 15 is located on the Y-direction side of the printing roller 3;

[0080] The first screw guide rail assembly 5 and the second screw guide rail assembly are controlled to move synchronously, driving the first nut slider 6 and the second nut slider as well as the third screw guide rail assembly to move in the vertical direction, so that the second scraper 15 just contacts the surface of the printing roller 3; at this time, the first scraper 14 is located in the grinding area of ​​the first scraper grinding mechanism 16;

[0081] Controlling the first scraper grinding mechanism 16 to grind the first ink scraper 14;

[0082] After a period of time, the third screw guide rail assembly is controlled to drive the third screw nut slider 10 and the fourth screw nut slider 11 to move, so that the first scraper 14 is located on the Y-direction side of the printing roller 3;

[0083] The first screw guide rail assembly 5 and the second screw guide rail assembly are controlled to move synchronously, driving the first nut slider 6 and the second nut slider and the third screw guide rail assembly to move in the vertical direction, so that the first scraper 14 just contacts the surface of the printing roller 3; at this time, the second scraper 15 is located in the grinding area of ​​the second scraper grinding mechanism;

[0084] The second scraper grinding mechanism is controlled to grind the first scraper 14 .

[0085] In the above embodiment, by arranging the first screw guide rail assembly 5, the first nut slider 6, the second screw guide rail assembly, the second nut slider, the third screw guide rail assembly, the third nut slider 10, the fourth nut slider 11, the first tool holder 12, the second tool holder 13, the first scraper 14, the second scraper 15, the first scraper grinding mechanism 16, the second scraper grinding mechanism and other structures, one of the scrapers is moved to abut against the surface of the printing roller 3 to scrape ink, and the other scraper is moved to the corresponding scraper grinding mechanism area for grinding. The two scrapers are used alternately and polished alternately, which effectively reduces the interruption time of replacing the scraper and improves production efficiency. Since the scraper can be reused many times after grinding, it no longer needs to be directly discarded after being worn, which improves the utilization rate of the scraper and saves production costs.

[0086] As a preferred embodiment, the first scraper grinding mechanism 16 includes:

[0087] A first lifting seat 161, wherein the first lifting seat 161 is liftably connected to the frame 1;

[0088] A first lifting driving member 162, wherein the first lifting driving member 162 is connected between the frame 1 and the first lifting seat 161, and is used to drive the first lifting seat 161 to move;

[0089] A fourth screw guide rail assembly 163, wherein the fourth screw guide rail assembly 163 is connected to the first lifting seat 161 along the X direction;

[0090] A fifth screw nut slider 164, wherein the fifth screw nut slider 164 is slidably connected to the fourth screw guide rail assembly 163;

[0091] A first grinding roller 165, which is rotatably connected to the fifth nut slider 164, wherein the axial direction of the first grinding roller 165 is the Y direction, and a first annular groove 1651 matching the shape of the edge of the first scraper 14 is provided on the circumferential surface of the first grinding roller 165; a grinding sand layer is provided at the first annular groove 1651;

[0092] A first driving motor 166, which is drivingly connected to the first grinding roller 165 and is used to drive the first grinding roller 165 to rotate;

[0093] In the polishing method, controlling the first scraper polishing mechanism 16 to polish the first ink scraper 14 is specifically as follows: controlling the first lifting drive member 162 to drive the first lifting seat 161 to move, so that the first annular groove 1651 of the first polishing roller 165 contacts the cutting edge of the first ink scraper 14; controlling the fourth screw guide rail assembly 163 to drive the fifth nut slider 164 to reciprocate along the X direction, and controlling the first drive motor 166 to drive the first polishing roller 165 to rotate, so that the first polishing roller 165 polishes the cutting edge of the first ink scraper 14 during the reciprocating movement of the first polishing roller 165.

[0094] As a preferred embodiment, the first lifting drive member 162 includes one or more first telescopic cylinders arranged in a vertical direction, and the first telescopic cylinders are air cylinders, hydraulic cylinders or electric cylinders.

[0095] Furthermore, in the above-mentioned printing press plastic scraper grinding method, the second scraper grinding mechanism comprises:

[0096] A second lifting seat, wherein the second lifting seat is liftably connected to the frame 1;

[0097] A second lifting drive member, the second lifting drive member is connected between the frame 1 and the second lifting seat, and is used to drive the second lifting seat to move;

[0098] A fifth screw guide rail assembly, wherein the fifth screw guide rail assembly is connected to the second lifting seat along the X direction;

[0099] A sixth screw nut slider, wherein the sixth screw nut slider is slidably connected to the fifth screw rod guide rail assembly;

[0100] A second grinding roller, the second grinding roller is rotatably connected to the sixth nut slider, the axial direction of the second grinding roller is the Y direction, and the circumferential surface of the second grinding roller is provided with a second annular groove matching the shape of the edge of the second scraper 15; a grinding sand layer is provided at the second annular groove;

[0101] A second driving motor, the second driving motor is drivingly connected to the second grinding roller and is used to drive the second grinding roller to rotate;

[0102] In the polishing method, controlling the second scraper polishing mechanism to polish the second scraper 15 is specifically as follows: controlling the second lifting drive member to drive the second lifting seat to move, so that the second annular groove of the second polishing roller contacts the cutting edge of the second scraper 15; controlling the fifth screw guide rail assembly to drive the sixth nut slider to reciprocate along the X direction, and controlling the second drive motor to drive the second polishing roller to rotate, so that the cutting edge of the second scraper 15 is polished during the reciprocating movement of the second polishing roller.

[0103] As a preferred embodiment, the second lifting drive member includes one or more second telescopic cylinders arranged in a vertical direction, and the second telescopic cylinders are air cylinders, hydraulic cylinders or electric cylinders.

[0104] As a preferred embodiment, a first blade groove for fixing a first scraper blade 14 is provided at the lower portion of the first blade holder 12; the first scraper blade 14 is fixed in the first blade groove by bolts.

[0105] As a preferred embodiment, a second blade groove for fixing the second scraper 15 is provided at the lower part of the second blade holder 13; the second scraper 15 is fixed in the second blade groove by bolts.

[0106] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent transformations made using the contents of the specification and drawings of the present invention, or directly or indirectly applied in the relevant technical field, are also included in the patent protection scope of the present invention.

Claims

1. Plastic scraper positioning and polishing device, characterized in that: include: frame; An ink tank connected to the frame; A printing roller, wherein the axial direction of the printing roller is the X direction, the printing roller is rotatably connected to the frame, and the lower part of the printing roller is immersed in the ink tank; An embossing roller, the circumferential direction of the embossing roller is the X direction, the embossing roller is rotatably connected to the frame, and the lower part of the embossing roller is pressed against the upper part of the printing roller; A first screw guide rail assembly, wherein the first screw guide rail assembly is connected to the frame in a vertical direction; A first nut slider, wherein the first nut slider is slidably connected to the first screw guide rail assembly; A second screw guide rail assembly, wherein the second screw guide rail assembly is connected to the frame in a vertical direction, and the second screw guide rail assembly and the first screw guide rail assembly are symmetrically distributed on the X-direction side and the X-direction reverse side of the printing roller, respectively; A second nut slider, wherein the second nut slider is slidably connected to the second screw guide rail assembly; A third screw guide rail assembly, wherein the axial direction of the third screw guide rail assembly is connected between the first screw nut slider and the second screw nut slider in the X direction; A third nut slider, wherein the third nut slider is slidably connected to the third screw rod guide rail assembly; A fourth nut slider, wherein the fourth nut slider is slidably connected to the third screw rod guide rail assembly; A first knife seat, wherein the first knife seat is connected to a third nut slider; A second knife seat, wherein the second knife seat is connected to a fourth nut slider; A first scraper, wherein the first scraper is detachably connected to the first blade holder; A second scraper, wherein the second scraper is detachably connected to a second blade holder, and the first scraper is located at an X-direction side of the second scraper; A first scraper grinding mechanism, wherein the first scraper grinding mechanism is arranged on the X-direction side of the printing roller; The second scraper grinding mechanism is arranged on the X-direction reverse side of the printing roller.

2. The plastic scraper positioning and polishing device according to claim 1, characterized in that: The first scraper grinding mechanism comprises: A first lifting seat, wherein the first lifting seat is liftably connected to the frame; A first lifting driving member, the first lifting driving member is connected between the frame and the first lifting seat, and is used to drive the first lifting seat to move; A fourth screw guide rail assembly, wherein the fourth screw guide rail assembly is connected to the first lifting seat along the X direction; A fifth nut slider, wherein the fifth nut slider is slidably connected to the fourth screw rod guide rail assembly; A first grinding roller, wherein the first grinding roller is rotatably connected to the fifth nut slider, the axial direction of the first grinding roller is the Y direction, and the circumferential surface of the first grinding roller is provided with a first annular groove matching the shape of the first scraper blade edge; a grinding sand layer is provided at the first annular groove; A first driving motor is connected to the first grinding roller in driving connection, and is used for driving the first grinding roller to rotate.

3. The plastic scraper positioning and polishing device according to claim 2, characterized in that: The first lifting drive member includes one or more first telescopic cylinders arranged in a vertical direction, and the first telescopic cylinders are air cylinders, hydraulic cylinders or electric cylinders.

4. The plastic scraper positioning and polishing device according to claim 1, characterized in that: The second scraper grinding mechanism comprises: A second lifting seat, the second lifting seat is liftably connected to the frame; A second lifting drive member, the second lifting drive member is connected between the frame and the second lifting seat, and is used to drive the second lifting seat to move; A fifth screw guide rail assembly, wherein the fifth screw guide rail assembly is connected to the second lifting seat along the X direction; A sixth screw nut slider, wherein the sixth screw nut slider is slidably connected to the fifth screw rod guide rail assembly; A second grinding roller, wherein the second grinding roller is rotatably connected to the sixth nut slider, the axial direction of the second grinding roller is the Y direction, and the circumferential surface of the second grinding roller is provided with a second annular groove matching the shape of the second scraper blade edge; a grinding sand layer is provided at the second annular groove; A second driving motor is connected to the second grinding roller in driving connection, and is used for driving the second grinding roller to rotate.

5. The plastic scraper positioning and polishing device according to claim 1, characterized in that: A first knife groove for fixing a first ink scraper is provided at the lower part of the first knife seat; the first ink scraper is fixed in the first knife groove by bolts.

6. The plastic scraper positioning and polishing device according to claim 1, characterized in that: A second knife groove for fixing a second scraper is provided at the lower part of the second knife seat; the second scraper is fixed in the second knife groove by bolts.

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