CN116160785A - Pinch roller mechanism for printer and printer - Google Patents
Pinch roller mechanism for printer and printer Download PDFInfo
- Publication number
- CN116160785A CN116160785A CN202211597785.6A CN202211597785A CN116160785A CN 116160785 A CN116160785 A CN 116160785A CN 202211597785 A CN202211597785 A CN 202211597785A CN 116160785 A CN116160785 A CN 116160785A
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- CN
- China
- Prior art keywords
- pinch roller
- knob
- guide rod
- seat
- printer
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41J—TYPEWRITERS; SELECTIVE PRINTING MECHANISMS, i.e. MECHANISMS PRINTING OTHERWISE THAN FROM A FORME; CORRECTION OF TYPOGRAPHICAL ERRORS
- B41J11/00—Devices or arrangements of selective printing mechanisms, e.g. ink-jet printers or thermal printers, for supporting or handling copy material in sheet or web form
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- Handling Of Cut Paper (AREA)
Abstract
The invention relates to a pinch roller mechanism for a printer and the printer, and relates to the field of pinch rollers of printers. The printer comprises the pinch roller mechanism for the printer. The beneficial effects of the invention are as follows: the pinch roller assembly is used for pressing the printing medium, when the printing medium needs to be maintained, the pinch roller assembly is driven to leave the printing medium by moving the adjusting guide rod, and after the adjusting guide rod is positioned, the position of the pinch roller assembly is unchanged, so that the maintenance is convenient. After maintenance is finished, the pinch roller assembly can be driven to reset by the adjusting guide rod. The pinch roller subassembly is convenient to adjust, need not to tear open release paper fixing base.
Description
Technical Field
The invention relates to the field of press wheels of printers, in particular to a press wheel mechanism for a printer and the printer.
Background
The multicolor printing technology realized by adopting the thermal transfer printer has the advantages of high printing speed, long storage time of printing finished products and the like, and is widely applied to various industries such as car logos, billboards, posters and the like. The pinch roller and the power wheel of the existing thermal transfer printer are installed in a tangential mode, the printing medium is located between the pinch roller and the power wheel, the power wheel drives the printing medium to move by means of friction force, the pinch roller is fixedly installed on the frame, the distance between the pinch roller and the power wheel is fixed, the printing medium or related mechanisms can be adjusted after the pinch roller is detached in the process of disassembling and maintaining the thermal transfer printer, disassembly is complex, and installation is inconvenient.
Disclosure of Invention
The invention aims to solve the technical problem of how to facilitate the position adjustment of the pinch roller.
The technical scheme for solving the technical problems is as follows: the utility model provides a pinch roller mechanism for printer, includes paper fixing base, adjusts guide arm and pinch roller subassembly, paper fixing base is fixed to be set up, adjust the one end of guide arm with the pinch roller subassembly is connected, and the other end passes paper fixing base is pressed, just adjust the guide arm can be relative paper fixing base removes and fixes a position.
The beneficial effects of the invention are as follows: the pinch roller assembly is used for pressing the printing medium, when the printing medium needs to be maintained, the pinch roller assembly is driven to leave the printing medium by moving the adjusting guide rod, and after the adjusting guide rod is positioned, the position of the pinch roller assembly is unchanged, so that the maintenance is convenient. After maintenance is finished, the pinch roller assembly can be driven to reset by the adjusting guide rod. The pinch roller subassembly is convenient to adjust, need not to tear open release paper fixing base.
On the basis of the technical scheme, the invention can be improved as follows.
Further, still include at least a set of elastic component, every group elastic component includes pinch roller guide arm and elastic component, the one end of pinch roller guide arm with press paper fixing base sliding connection, the other end with pinch roller component fixed connection, the elastic component cover is in on the pinch roller guide arm, and both ends respectively with press paper fixing base with pinch roller component butt.
The beneficial effects of adopting the further scheme are as follows: the elastic piece applies elastic force to the pinch roller assembly to enable the pinch roller assembly to be far away from the paper pressing fixing seat.
Further, each group of elastic components further comprises a pinch roller guide rod seat, the pinch roller guide rod seat is fixedly connected with the paper pressing fixing seat, and one end of the pinch roller guide rod is in sliding connection with the pinch roller guide rod seat; the elastic component is provided with at least two groups.
The beneficial effects of adopting the further scheme are as follows: the pinch roller guide rod seat provides sliding guide for the pinch roller guide rod, and the pinch roller guide rod seat can be processed with high precision, so that the precision requirement of the paper pressing fixing seat is reduced, and the processing difficulty and cost are reduced.
Further, the pinch roller assembly is provided with a limiting cavity, and one end of the adjusting guide rod is slidably inserted into the limiting cavity and is provided with a limiting end head of the adjusting guide rod.
The beneficial effects of adopting the further scheme are as follows: after the pinch roller assembly moves in place, the pinch roller assembly can also overcome the small-range movement of the elastic force of the elastic piece under the action of external pressure so as to adapt to the position of an external structure, and one end of the adjusting guide rod can also move in a limiting cavity in a small range; and the elastic piece enables the pinch roller component to always press the printing medium under the action of elastic force.
Further, the elastic piece is a spring.
Further, the paper pressing device also comprises a knob and a knob seat, wherein the knob seat is fixedly connected with the paper pressing fixing seat, the knob is installed on the knob seat and can linearly move relative to the knob seat when the knob seat rotates, and the knob is connected with the other end of the adjusting guide rod and drives the adjusting guide rod to linearly move.
The beneficial effects of adopting the further scheme are as follows: the guide rod is adjusted through knob operation, and the operation is convenient.
Further, the rotary knob comprises a clamp spring, the other end of the adjusting guide rod penetrates through the rotary knob in a sliding mode and is fixedly connected with the clamp spring, and the clamp spring is in butt joint with the rotary knob.
The beneficial effects of adopting the further scheme are as follows: the clamping spring is used for limiting the other end of the adjusting guide rod, and is abutted with the knob under the action of the elastic force of the elastic piece, so that the adjusting guide rod is prevented from being separated from the knob. When the pinch roller assembly moves towards the paper pressing fixing seat under the action of external force, the adjusting guide rod can move relative to the paper pressing fixing seat, and the clamp spring is separated from the knob.
Further, the knob seat is provided with a guide inclined plane and a positioning plane which are sequentially connected, the knob is provided with a knob protrusion, and the knob protrusion is abutted with the guide inclined plane or the positioning plane.
The beneficial effects of adopting the further scheme are as follows: when the knob rotates, the knob bulge moves to a positioning plane at one end of the knob bulge along the guide inclined plane, and the pinch roller assembly is driven to move towards the direction close to the paper pressing fixing seat by the adjusting guide rod, so that the knob is positioned by the positioning plane; or the knob bulge moves to the other end of the knob bulge along the guide inclined plane, and the pinch roller assembly is driven to move away from the paper pressing fixing seat by the adjusting guide rod.
Further, the knob and the knob seat are made of self-lubricating materials.
The beneficial effects of adopting the further scheme are as follows: the friction force of the relative movement of the knob and the knob seat is small, so that the abrasion of the knob and the knob seat is reduced.
Further, the pinch roller assembly comprises a pinch roller and a pinch roller seat, the pinch roller is rotatably arranged on the pinch roller seat, and one end of the adjusting guide rod is connected with the pinch roller seat.
The beneficial effects of adopting the further scheme are as follows: the pinch roller is used for compressing printing media, and the pinch roller seat provides support for the pinch roller.
The invention also provides a printer comprising the pinch roller mechanism for the printer.
Drawings
FIG. 1 is a front view of a pinch roller mechanism for a printer of the present invention;
FIG. 2 is a cross-sectional view of a pinch roller mechanism for a printer of the present invention;
FIG. 3 is a three-dimensional view of a pinch roller mechanism for a printer of the present invention;
fig. 4 is a left side view of the pinch roller mechanism for the printer of fig. 1.
In the drawings, the list of components represented by the various numbers is as follows:
1. a pinch roller; 2. a pinch roller seat; 3. an elastic member; 4. a pinch roller guide rod; 5. a knob; 501. a knob boss; 6. a knob seat; 601. a guide slope; 602. positioning a plane; 7. sheet metal of paper pressing seat; 8. a paper pressing fixing seat; 9. adjusting the guide rod; 10. a pinch roller guide rod seat; 11. and (5) clamping springs.
Detailed Description
The principles and features of the present invention are described below with examples given for the purpose of illustration only and are not intended to limit the scope of the invention.
As shown in fig. 1-4, the present embodiment provides a pinch roller mechanism for a printer, which includes a platen roller fixing seat 8, an adjusting guide rod 9 and a pinch roller assembly, wherein the platen roller fixing seat 8 is fixedly arranged, one end of the adjusting guide rod 9 is connected with the pinch roller assembly, the other end passes through the platen roller fixing seat 8, and the adjusting guide rod 9 can move and be positioned relative to the platen roller fixing seat 8.
The pinch roller assembly is used for pressing the printing medium, when the printing medium needs to be maintained, the pinch roller assembly is driven to leave the printing medium by moving the adjusting guide rod 9, and after the adjusting guide rod 9 is positioned, the position of the pinch roller assembly is unchanged, so that the maintenance is convenient. After maintenance is finished, the pinch roller assembly can be driven to reset by the adjusting guide rod 9. The pinch roller subassembly is convenient to adjust, need not to tear open release paper fixing base 8.
On the basis of the technical scheme, one end of the adjusting guide rod 9 is connected with the pinch roller assembly, and optionally, one end of the adjusting guide rod 9 is fixedly connected with the pinch roller assembly; or, still include at least a set of elastic component, every group elastic component includes pinch roller guide arm 4 and elastic component 3, the one end of pinch roller guide arm 4 with press paper fixing base 8 sliding connection, the other end with pinch roller component fixed connection, elastic component 3 cover is in on the pinch roller guide arm 4, and both ends respectively with press paper fixing base 8 with pinch roller component butt.
The elastic member 3 applies an elastic force to the pinch roller assembly to keep it away from the platen holder 8.
On the basis of any one of the above schemes, each group of elastic components further comprises a pinch roller guide rod seat 10, the pinch roller guide rod seat 10 is fixedly connected with the platen roller fixing seat 8, and one end of the pinch roller guide rod 4 is in sliding connection with the pinch roller guide rod seat 10; the elastic component is provided with at least two groups.
The pinch roller guide rod seat 10 provides sliding guide for the pinch roller guide rod 4, and the pinch roller guide rod seat 10 can be processed with high precision, so that the precision requirement of the paper pressing fixing seat 8 is reduced, and the processing difficulty and cost are reduced.
On the basis of any scheme, the pinch roller assembly is provided with a limiting cavity, and one end of the adjusting guide rod 9 stretches into the limiting cavity in a sliding mode and is provided with an adjusting guide rod limiting end.
After the pinch roller assembly moves in place, the pinch roller assembly can also overcome the small-range movement of the elastic force of the elastic piece 3 under the action of external pressure so as to adapt to the position of an external structure, and one end of the adjusting guide rod 9 can also move in a small range in the limiting cavity; and the elastic piece 3 enables the pinch roller assembly to always press the printing medium under the action of elastic force.
The limiting cavity is provided with a limiting cavity hole, one end of the adjusting guide rod 9 stretches into the limiting cavity hole in a sliding mode, the size of the limiting end of the adjusting guide rod is larger than that of the limiting cavity hole, and the fact that the limiting end of the adjusting guide rod is separated from the limiting cavity can be avoided.
On the basis of any one of the above schemes, the elastic member 3 is a spring.
On the basis of any scheme, the other end of the adjusting guide rod 9 can move and be positioned relative to the paper pressing fixing seat 8, and optionally, the other end of the adjusting guide rod 9 is in threaded connection with the paper pressing fixing seat 8, so that the axial position can be adjusted in a rotating way and is positioned in the axial direction; or, still include knob 5 and knob seat 6, knob seat 6 with press paper fixing base 8 fixed connection, knob 5 installs on the knob seat 6 and can be when its own rotates relative knob seat 6 rectilinear movement, knob 5 with adjust the other end of guide arm 9 and be connected and drive adjust guide arm 9 rectilinear movement.
The guide rod 9 can be operated and adjusted through the knob 5, and the operation is convenient.
On the basis of any one of the above schemes, the device further comprises a clamp spring 11, the other end of the adjusting guide rod 9 slides through the knob 5 and is fixedly connected with the clamp spring 11, and the clamp spring 11 is abutted to the knob 5.
The clamp spring 11 limits the other end of the adjusting guide rod 9, and under the action of the elastic force of the elastic piece 3, the clamp spring 11 is abutted with the knob 5, so that the adjusting guide rod 9 is prevented from being separated from the knob 5. When the pinch roller assembly moves towards the paper pressing fixing seat 8 under the action of external force, the adjusting guide rod 9 can move relative to the paper pressing fixing seat 8, and the clamp spring 11 is separated from the knob 5.
On the basis of any scheme, the knob 5 rotates and moves under the guide of the knob seat 6, and optionally, the knob 5 is in threaded connection with the knob seat 6, and the knob 5 can rotate relative to the knob seat 6 and axially move and then axially position due to a threaded structure;
alternatively, as shown in fig. 3 and 4, the knob seat 6 has a guiding inclined plane 601 and a positioning plane 602 that are sequentially engaged, and the knob 5 has a knob boss 501, and the knob boss 501 abuts against the guiding inclined plane 601 or the positioning plane 602.
When the knob 5 rotates, the knob boss 501 moves to a positioning plane 602 at one end of the knob boss along the guide inclined plane 601, and the pinch roller assembly is driven to move towards the direction close to the platen fixing seat 8 by the adjusting guide rod 9, and the knob 5 is positioned by the positioning plane 602; or the knob boss 501 moves to the other end along the guide inclined plane 601, and drives the pinch roller assembly to move away from the platen fixing seat 8 through the adjusting guide rod 9.
Specifically, the pinch roller subassembly is located paper fixing base 8 below, and knob seat 6 and knob 5 are located paper fixing base 8 top, and paper pressing seat panel beating 7 is fixed in paper pressing fixing base 8, and knob seat 6 and paper pressing seat panel beating 7 fixed connection. Turning the knob 5, the guide inclined surface 601 is inclined upward in the circumferential direction and is connected with the horizontally arranged guide inclined surface 601. The knob boss 501 moves upward along the guide slope 601 and is limited by the positioning plane 602, and when the knob 5 is not rotated, the knob 5, the adjustment guide rod 9 and the pinch roller assembly do not move downward, and at this time the pinch roller assembly leaves the printing medium, thereby facilitating repair and maintenance. After maintenance is finished, the knob 5 is reversely rotated, the knob boss 501 is rotated to be in contact with the guide inclined plane 601, and the knob 5, the adjusting guide rod 9 and the pinch roller assembly move downwards under the action of the elastic force of the elastic piece 3, and the knob boss 501 is in contact with the lowest end of the guide inclined plane 601.
On the basis of any one of the above schemes, the knob 5 and the knob seat 6 are made of self-lubricating materials.
The friction force of the relative movement of the knob 5 and the knob seat 6 is small, and the abrasion of the knob 5 and the knob seat is reduced.
On the basis of any scheme, the pinch roller assembly comprises a pinch roller 1 and a pinch roller seat 2, wherein the pinch roller 1 is rotatably arranged on the pinch roller seat 2, and one end of the adjusting guide rod 9 is connected with the pinch roller seat 2.
The pinch roller 1 is used for compressing printing media, and the pinch roller seat 2 provides support for the pinch roller 1.
The embodiment also provides a printer, which comprises the pinch roller mechanism for the printer.
Specifically, as shown in fig. 4, a plurality of through holes are formed in the platen fixing base 8, and the platen fixing base 8 passes through the through holes by screws or bolts and is fixedly connected with the frame of the printer.
In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "upper", "lower", "axial", "circumferential", etc., are based on the azimuth or positional relationship shown in the drawings, are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element in question must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present invention.
In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
In the description of the present invention, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present invention will be understood in specific cases by those of ordinary skill in the art.
The foregoing description of the preferred embodiments of the invention is not intended to limit the invention to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and scope of the invention are intended to be included within the scope of the invention.
Claims (10)
1. The utility model provides a pinch roller mechanism for printer, its characterized in that includes paper fixing base (8), adjusts guide arm (9) and pinch roller subassembly, paper fixing base (8) are fixed to be set up, the one end of adjusting guide arm (9) with the pinch roller subassembly is connected, and the other end passes paper fixing base (8) is pressed, just adjust guide arm (9) can be relative paper fixing base (8) removal and location.
2. The pinch roller mechanism for the printer according to claim 1, further comprising at least one group of elastic components, wherein each group of elastic components comprises a pinch roller guide rod (4) and an elastic component (3), one end of the pinch roller guide rod (4) is in sliding connection with the pinch roller fixing seat (8), the other end of the pinch roller guide rod is fixedly connected with the pinch roller component, the elastic component (3) is sleeved on the pinch roller guide rod (4), and two ends of the elastic component are respectively abutted with the pinch roller fixing seat (8) and the pinch roller component.
3. The pinch roller mechanism for printers according to claim 2, characterized in that each group of the elastic components further comprises a pinch roller guide rod seat (10), the pinch roller guide rod seat (10) is fixedly connected with the paper pressing fixing seat (8), and one end of the pinch roller guide rod (4) is in sliding connection with the pinch roller guide rod seat (10); the elastic component is provided with at least two groups.
4. A pinch roller mechanism for a printer according to claim 2, wherein the pinch roller assembly has a limiting cavity, and one end of the adjusting guide rod (9) is slidably inserted into the limiting cavity and has an adjusting guide rod limiting end limited in the limiting cavity.
5. The pinch roller mechanism for printers according to claim 2, further comprising a knob (5) and a knob seat (6), wherein the knob seat (6) is fixedly connected with the platen fixing seat (8), the knob (5) is mounted on the knob seat (6) and can move linearly relative to the knob seat (6) when rotating, and the knob (5) is connected with the other end of the adjusting guide rod (9) and drives the adjusting guide rod (9) to move linearly.
6. The pinch roller mechanism for a printer according to claim 5, further comprising a clamp spring (11), wherein the other end of the adjusting guide rod (9) slides through the knob (5) and is fixedly connected with the clamp spring (11), and the clamp spring (11) is abutted with the knob (5).
7. The pinch roller mechanism for printer according to claim 5, wherein the knob seat (6) has a guiding inclined surface (601) and a positioning plane (602) which are sequentially engaged, the knob (5) has a knob boss (501), and the knob boss (501) abuts against the guiding inclined surface (601) or the positioning plane (602).
8. The pinch roller mechanism for printer according to claim 5, wherein the knob (5) and the knob seat (6) are made of self-lubricating materials.
9. A pinch roller mechanism for a printer according to any one of claims 1-8, wherein the pinch roller assembly comprises a pinch roller (1) and a pinch roller holder (2), the pinch roller (1) is rotatably mounted on the pinch roller holder (2), and one end of the adjusting guide rod (9) is connected to the pinch roller holder (2).
10. A printer comprising the pinch roller mechanism for a printer according to any one of claims 1 to 9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597785.6A CN116160785A (en) | 2022-12-12 | 2022-12-12 | Pinch roller mechanism for printer and printer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211597785.6A CN116160785A (en) | 2022-12-12 | 2022-12-12 | Pinch roller mechanism for printer and printer |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116160785A true CN116160785A (en) | 2023-05-26 |
Family
ID=86415374
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211597785.6A Pending CN116160785A (en) | 2022-12-12 | 2022-12-12 | Pinch roller mechanism for printer and printer |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116160785A (en) |
-
2022
- 2022-12-12 CN CN202211597785.6A patent/CN116160785A/en active Pending
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