Printing ink heating device of offset press
By incorporating a sliding heating ring and stirring structure within the ink tank of the offset printing machine, the problems of localized ink overheating and clogging are solved, achieving uniform ink heating and flowability, and ensuring printing quality.
Patent Information
- Application Number
- CN202423291027.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-31
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-12-31
AI Technical Summary
The existing ink heating method in offset printing machines causes localized overheating, leading to ink clumping and clogging of the ink outlet, which affects printing quality.
The system employs a combination of bottom and top heating rings, which slide up and down via a drive mechanism. Combined with a stirring rod and cleaning pins, this achieves dynamic heating and stirring within the ink container, preventing localized overheating and clogging.
It achieves uniform heating of the ink, prevents clumping and sedimentation, maintains fluidity, and keeps the ink outlet tube unobstructed to ensure normal printing.
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Figure CN223456658U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to offset press technical field more specifically, the utility model relates to an ink heating device of offset press. BACKGROUND
[0002] Offset press is a kind of lithographic press. Through rubber cloth, the figure and text on the plate are transferred to the printing material. Offset press has higher requirements for the flowability of ink during printing, but due to the influence of air temperature and ink concentration, sometimes the flowability cannot meet the use requirements. The current solution is to heat the ink. The heating methods commonly used are electric heating or water bath heating, such as setting heating wires on the outer wall of the cylinder.
[0003] However, the heat of the above two heating methods is mainly transferred from the outer wall, which causes overheating in the local area close to the outer wall, which may change the composition of the ink, affect the flowability of the ink, etc. The discharged ink may appear clumping phenomenon and block the ink outlet of the offset press, thereby affecting the normal work of the offset press. UTILITY MODEL CONTENT
[0004] In order to overcome the above-mentioned defects of the prior art, the embodiment of the utility model provides an ink heating device of offset press. The technical problem to be solved by the utility model is that the ink heating is uneven by using electric heating or water bath heating, which causes the discharged ink to appear clumping phenomenon and block the ink outlet of the offset press, thereby affecting the normal work of the offset press.
[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:
[0006] An ink heating device of offset press, comprising an ink barrel, a feed pipe is fixed and communicated on the top surface of the ink barrel, a discharge pipe is fixed and communicated on the bottom wall of the ink barrel, a bottom heating ring and a top heating ring are respectively slidably connected in the ink barrel, the bottom heating ring and the top heating ring are driven to slide up and down by a driving mechanism, a first threaded rod is fixedly installed in the ink barrel, a threaded sleeve is threadedly connected on the first threaded rod, and the threaded sleeve is located between the bottom heating ring and the top heating ring, a plurality of stirring rods are fixedly installed on the outside of the threaded sleeve, a heating pipe is installed in each stirring rod, a cleaning pin is elastically connected in the ink barrel, a cleaning ring is fixedly installed on the outside of the cleaning pin, and the cleaning pin is connected with the bottom surface of the bottom heating ring through a connecting mechanism.
[0007] As Figures 1-3The embodiment is specific as follows: by arranging the top heating ring, the bottom heating ring and the driving mechanism, the inside of the ink barrel is heated, the different positions of the ink can be heated by the up-down sliding of the top heating ring and the bottom heating ring, the local overheating can be avoided by the dynamic heating mode, the heat can be transmitted to each position more quickly, the temperature difference is reduced, the performance stability of the ink is ensured, by arranging the first threaded rod, the threaded sleeve, the stirring rod and the heating pipe, the top heating ring and the bottom heating ring slide and drive the threaded sleeve to slide, the threaded sleeve rotates to drive the stirring rod to rotate, and the ink is heated by the heating pipe on the stirring rod, so that multi-directional heating is realized, the ink is continuously stirred, the temperature stratification possibly existing is broken, the ink agglomeration and deposition are prevented, and the liquidity of the ink is maintained, and by the cleaning pin and the cleaning ring, the cleaning pin and the cleaning ring slide in the discharge pipe, and the discharge pipe is prevented from being blocked.
[0008] In a preferred embodiment, the driving mechanism comprises a second threaded rod, the second threaded rod is rotationally connected to the top wall of the ink barrel, and the bottom heating ring and the top heating ring are both threadedly connected with the second threaded rod, a limiting rod is fixedly installed on the top wall of the ink barrel, and the bottom heating ring and the top heating ring are both slidingly connected with the limiting rod.
[0009] In a preferred embodiment, two link rods are symmetrically installed on the inner sides of the bottom heating ring and the top heating ring, corresponding two link rods are commonly provided with a fixed sleeve, the fixed sleeve is slidingly connected with the first threaded rod, and the top surface and the bottom surface of the threaded sleeve are both in contact with the side surface of the corresponding fixed sleeve.
[0010] In a preferred embodiment, the link mechanism comprises a fixed frame, the fixed frame is fixedly installed on the inner wall of the ink barrel, and the bottom end of the first threaded rod is fixedly installed on the top surface of the fixed frame, a spring telescopic rod is fixedly installed on the bottom surface of the fixed frame, the bottom end of the spring telescopic rod is fixedly installed with a push plate, and the cleaning pin is fixedly installed on the bottom surface of the push plate, a plurality of push rods are symmetrically installed on the bottom surface of the bottom heating ring, each push rod is fixedly installed on the bottom surface of the corresponding link rod, and the bottom end of each push rod is in position correspondence with the push plate.
[0011] In a preferred embodiment, a motor is fixedly installed on the top surface of the ink barrel, and the output shaft of the motor is connected with the second threaded rod.
[0012] In a preferred embodiment, the diameter of the cleaning pin is smaller than the inner diameter of the discharge pipe.
[0013] Compared with the prior art, the beneficial effects of the utility model are as follows:
[0014] 1. The utility model discloses a bottom heating ring, top heating ring, first threaded rod, second threaded rod, stirring rod etc. device is set up, realized through the rotation of first threaded rod and drives bottom heating ring and top heating ring to slide up and down, through second threaded rod and threaded bushing realizes the rotation of stirring rod simultaneously, and then realizes the internal dynamic heating of ink bucket, to avoid partial overheating of ink, make heat more quickly transfer to each part simultaneously, reduce temperature difference, ensure the stable performance of ink, and the stirring of stirring rod can break the bottom of ink and agglomerate, keep the flow of ink.
[0015] 2. The utility model discloses a spring telescopic link, cleaning pin, cleaning ring etc. device is set up, realized bottom heating ring sliding up and down, push cleaning pin and cleaning ring slide in the discharge pipe, and through spring telescopic link makes cleaning pin and cleaning ring reset, to keep the unobstructed of discharge pipe, avoid its purpose of appearing the block.
[0016] Summarized above, the utility model discloses in use, simple operation can realize the internal dynamic heating of ink bucket of ink, make ink heating even, break the bottom of ink and agglomerate simultaneously, keep the flow of ink, cleaning pin and cleaning ring can reciprocating slide in the discharge pipe simultaneously, to keep the unobstructed of discharge pipe, avoid its appearance block. ACCURACY OF DRAWINGS
[0017] Figure 1 The utility model discloses an ink heating device's ink bucket sectional view structure schematic diagram of offset press is proposed;
[0018] Figure 2 The utility model discloses an ink heating device's stirring rod sectional view structure schematic diagram of offset press is proposed;
[0019] Figure 3 The utility model discloses an ink heating device's cleaning ring installation structure schematic diagram of offset press is proposed.
[0020] In the drawing: 1 ink bucket, 2 feed pipe, 3 motor, 4 discharge pipe, 5 first threaded rod, 6 second threaded rod, 7 limit rod, 8 bottom heating ring, 9 top heating ring, 10 link rod, 11 fixed cover, 12 threaded bushing, 13 stirring rod, 14 heating pipe, 15 push rod, 16 fixed frame, 17 spring telescopic link, 18 push plate, 19 cleaning pin, 20 cleaning ring. DETAILED DESCRIPTION
[0021] Clearly, the described embodiments are merely a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.
[0022] Referring to Figures 1-3 An ink heating device of a printing machine, comprising an ink barrel 1, a feeding pipe 2 fixedly connected and communicated with the top surface of the ink barrel 1, a discharging pipe 4 fixedly connected and communicated with the bottom wall of the ink barrel 1, a bottom heating ring 8 and a top heating ring 9 slidably connected in the ink barrel 1 respectively, the bottom heating ring 8 and the top heating ring 9 driven to slide up and down by a driving mechanism, a first threaded rod 5 fixedly installed in the ink barrel 1, a threaded sleeve 12 threadedly connected with the first threaded rod 5, and the threaded sleeve 12 located between the bottom heating ring 8 and the top heating ring 9, a plurality of stirring rods 13 fixedly installed on the outer side of the threaded sleeve 12, a heating pipe 14 installed in each stirring rod 13, a cleaning pin 19 elastically connected in the ink barrel 1, a cleaning ring 20 fixedly installed on the outer side of the cleaning pin 19, and the cleaning pin 19 connected with the bottom surface of the bottom heating ring 8 through a connecting mechanism.
[0023] It is worth mentioning that the top heating ring 9 and the bottom heating ring 8 can be provided with heating elements to increase the temperature of the top heating ring 9 and the bottom heating ring 8.
[0024] As Figures 1-3 shown, the embodiment is specific: by setting the top heating ring 9, the bottom heating ring 8 and the driving mechanism, the inside of the ink barrel 1 is heated, and by sliding the top heating ring 9 and the bottom heating ring 8 up and down, different positions of the ink can be heated, and by using the dynamic heating mode, local overheating can be avoided, and heat can be transferred to each part more quickly, the temperature difference is reduced, the performance of the ink is stable, by setting the first threaded rod 5, the threaded sleeve 12, the stirring rod 13 and the heating pipe 14, the threaded sleeve 12 is driven to slide while the top heating ring 9 and the bottom heating ring 8 slide, since the first threaded rod 5 cannot rotate, the threaded sleeve 12 rotates to drive the stirring rod 13 to rotate, and the heating pipe 14 on the stirring rod 13 heats the ink, thereby realizing multi-directional heating, and the ink is continuously stirred to break the possible temperature stratification, prevent the ink from caking and depositing, and maintain the fluidity of the ink, by the cleaning pin 19 and the cleaning ring 20, the cleaning pin 19 and the cleaning ring 20 can slide in the discharging pipe 4, thereby avoiding the blockage of the discharging pipe 4.
[0025] The driving mechanism comprises a second threaded rod 6, the second threaded rod 6 is rotationally connected to the top wall of the ink barrel 1, and the bottom heating ring 8 and the top heating ring 9 are both threadedly connected with the second threaded rod 6; the top wall of the ink barrel 1 is fixedly installed with a limiting rod 7, and the bottom heating ring 8 and the top heating ring 9 are both slidingly connected with the limiting rod 7; it should be noted that the top heating ring 9 and the bottom heating ring 8 are limited by the limiting rod 7 and cannot rotate, and can only linearly slide.
[0026] The bottom heating ring 8 and the top heating ring 9 are symmetrically installed with two connecting rods 10 on the inner sides, and the two connecting rods 10 corresponding in position are jointly installed with a fixed sleeve 11, and the fixed sleeve 11 is slidingly connected with the first threaded rod 5, and the top surface and the bottom surface of the threaded sleeve 12 are both attached to the side surface of the fixed sleeve 11 corresponding in position; it should be noted that the inner diameter length of the fixed sleeve 11 is greater than the diameter length of the first threaded rod 5.
[0027] The connecting mechanism comprises a fixed frame 16, the fixed frame 16 is fixedly installed on the inner wall of the ink barrel 1, and the bottom end of the first threaded rod 5 is fixedly installed on the top surface of the fixed frame 16; the bottom surface of the fixed frame 16 is fixedly installed with a spring telescopic rod 17, the bottom end of the spring telescopic rod 17 is fixedly installed with a push plate 18, and the bottom surface of the push plate 18 is fixedly installed with a cleaning pin 19; the bottom surface of the bottom heating ring 8 is symmetrically installed with a plurality of push rods 15, and each push rod 15 is fixedly installed on the bottom surface of the connecting rod 10 corresponding in position, and the bottom end of each push rod 15 corresponds in position with the push plate 18.
[0028] Through the spring force of the spring telescopic rod 17, the cleaning pin 19 and the cleaning ring 20 can be reset.
[0029] The top surface of the ink barrel 1 is fixedly installed with a motor 3, and the output shaft of the motor 3 is connected with the second threaded rod 6.
[0030] The diameter length of the cleaning pin 19 is less than the inner diameter length of the discharge pipe 4.
[0031] The utility model discloses when using, through feed pipe 2 to the ink barrel 1 injects the ink, then starts motor 3 and drives second screw rod 6 to rotate, thereby make bottom heating ring 8 with top heating ring 9 slide look, simultaneously through the positive and negative rotation of motor 3, can make bottom heating ring 8 with top heating ring 9 reciprocating slide up and down, bottom heating ring 8 with top heating ring 9 slide, through the fixed sleeve 11 drive screw bushing 12 to slide simultaneously, because screw bushing 12 is connected with first screw rod 5 screw, and first screw rod 5 can not rotate, and then screw bushing 12 rotates, and drives stirring rod 13 to rotate, and then through bottom heating ring 8 with top heating ring 9 and the heating pipe 14 in stirring rod 13 can be to the ink barrel 1 from inside dynamic heating, avoid the local overheating of ink, make heat more quickly transfer to each part simultaneously, reduce temperature difference, ensure the performance stability of ink, simultaneously through the agitation of stirring rod 13 can break the bottom of ink and agglomerate, keep the fluidity of ink;
[0032] Meanwhile bottom heating ring 8 slides up and down simultaneously through push rod 15 to push plate 18, thereby drive cleaning pin 19 with cleaning ring 20 to slide down, and through spring telescopic link 17 can make cleaning pin 19 with cleaning ring 20 reset, and then through cleaning pin 19 with cleaning ring 20 to the inside of discharge pipe 4 clean, thereby keep the unobstructed of discharge pipe 4, avoid its emergence jam.
[0033] The above only through the description mode of some demonstrative embodiments of the utility model, without doubt, for the ordinary skill of the people in this field, under the condition of not deviating from the spirit and scope of the utility model, can make the correction of the described embodiment with various different ways. Therefore, the above figure and description are illustrative in nature, should not be understood as the limitation of the utility model patent claim protection scope.
Claims
1. An ink heating device for an offset printing press, comprising an ink tank (1), characterized in that: The top surface of the ink barrel (1) is fixed and communicated with a feeding pipe (2), the bottom wall of the ink barrel (1) is fixed and communicated with a discharging pipe (4), the ink barrel (1) is slidably connected with a bottom heating ring (8) and a top heating ring (9) respectively, the ink barrel (1) drives the bottom heating ring (8) and the top heating ring (9) to slide up and down through a driving mechanism, the ink barrel (1) is fixedly installed with a first threaded rod (5), the first threaded rod (5) is threadedly connected with a threaded sleeve (12), and the threaded sleeve (12) is located between the bottom heating ring (8) and the top heating ring (9), a plurality of stirring rods (13) are fixedly installed on the outer side of the threaded sleeve (12), and a heating pipe (14) is installed in each stirring rod (13), the ink barrel (1) is elastically connected with a cleaning pin (19), the cleaning pin (19) is fixedly installed with a cleaning ring (20) on the outer side, and the cleaning pin (19) is connected with the bottom surface of the bottom heating ring (8) through a connecting mechanism.
2. An ink heating device for an offset printing press according to claim 1, characterized in that: The driving mechanism comprises a second threaded rod (6), and the second threaded rod (6) is rotatably connected to the top wall of the ink barrel (1), and the bottom heating ring (8) and the top heating ring (9) are threadedly connected with the second threaded rod (6), and the top wall of the ink barrel (1) is fixedly installed with a limiting rod (7), and the bottom heating ring (8) and the top heating ring (9) are slidably connected with the limiting rod (7).
3. An ink heating device for an offset printing press according to claim 2, wherein: The inner sides of the bottom heating ring (8) and the top heating ring (9) are symmetrically installed with two connecting rods (10), and the two connecting rods (10) corresponding in position are jointly installed with a fixed sleeve (11), and the fixed sleeve (11) is slidably connected with the first threaded rod (5), and the top surface and the bottom surface of the threaded sleeve (12) are in close contact with the side surface of the fixed sleeve (11) corresponding in position.
4. An ink heating device for an offset printing press according to claim 3, wherein: The connecting mechanism comprises a fixed frame (16), and the fixed frame (16) is fixedly installed on the inner wall of the ink barrel (1), and the bottom end of the first threaded rod (5) is fixedly installed on the top surface of the fixed frame (16), the bottom surface of the fixed frame (16) is fixedly installed with a spring telescopic rod (17), the bottom end of the spring telescopic rod (17) is fixedly installed with a push plate (18), and the cleaning pin (19) is fixedly installed on the bottom surface of the push plate (18), the bottom surface of the bottom heating ring (8) is symmetrically installed with a plurality of push rods (15), and each push rod (15) is fixedly installed on the bottom surface of the connecting rod (10) corresponding in position, and the bottom end of each push rod (15) corresponds in position with the push plate (18).
5. An ink heating device for an offset printing press according to claim 4, wherein: The top surface of the ink barrel (1) is fixedly installed with a motor (3), and the output shaft of the motor (3) is connected with the second threaded rod (6).
6. An ink heating device for an offset printing press according to claim 5, wherein: The diameter of the cleaning pin (19) is smaller than the inner diameter of the discharging pipe (4).