CN209992151U - Service life evaluation tester for paper feeding rubber roller of printer or duplicator - Google Patents
Service life evaluation tester for paper feeding rubber roller of printer or duplicator Download PDFInfo
- Publication number
- CN209992151U CN209992151U CN201920775476.0U CN201920775476U CN209992151U CN 209992151 U CN209992151 U CN 209992151U CN 201920775476 U CN201920775476 U CN 201920775476U CN 209992151 U CN209992151 U CN 209992151U
- Authority
- CN
- China
- Prior art keywords
- paper feeding
- roller
- feeding rubber
- positioning
- conveying roller
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Delivering By Means Of Belts And Rollers (AREA)
Abstract
The utility model discloses a life-span evaluation tester of rubber roll form advances of printer or duplicator, it includes base, positioner, evaluation test paper, transmission device, drive arrangement, wherein the evaluation test paper conveys to second transmission roller between rubber roll form advancing and the first transmission roller. The utility model discloses a simulation paper feed rubber roll is under true use operating mode, combines to set for time and rotational speed information experiment of form advancing, and the user can oneself through measuring before the rubber roll experiment of form advancing and the thickness change after the experiment this moment, can judge whether should form advancing rubber roll life satisfies the requirement, and at every turn only to a paper feed rubber roll carry out the evaluation test, and the evaluation process is the basic noninterference, and the problem discovery is easy, the convenient accuracy of data acquisition.
Description
Technical Field
The utility model belongs to rubber roll life-span detection area, concretely relates to life-span evaluation tester of printer or duplicator rubber roll of form advancing.
Background
As is well known, a paper feeding rubber roller is a key functional component of a printer/copier, and the paper feeding rubber roller mainly realizes the transmission of paper through the friction force formed between the rubber roller and the paper so as to fulfill the purpose of printing or copying.
At present, the performance evaluation of the rubber roller can only be the basic physical properties and static performance parameters (such as hardness, friction coefficient, tensile strength, tear strength, elongation at break, rebound performance, bending performance, surface roughness, compression set, size and tolerance precision, weather resistance and the like). The dynamic parameters and the durability can only depend on the evaluation of a client real machine, and the evaluation result is fed back to a manufacturer for adjusting the material and process parameters, so that the feedback information has long hysteresis, and the adjustment of the material and the process of the paper feeding rubber roll is not facilitated.
Disclosure of Invention
The utility model aims to solve the technical problem that overcome prior art not enough, provide a simulation printer or duplicator rubber roll of form advancing under the operating mode of transmission paper, carry out the tester of life-span evaluation to the rubber roll of form advancing.
For solving the technical problem, the utility model discloses a following technical scheme:
a life evaluation tester for paper feeding rubber rollers of printers or copiers comprises:
a base;
the positioning device is used for positioning the paper feeding rubber roller from two end parts, and the paper feeding rubber roller can rotate around the axis of the paper feeding rubber roller;
evaluation test paper of the same material as paper for a printer or copier and formed end-to-end
An annular closure;
the conveying device comprises a first conveying roller and a second conveying roller which are positioned at two end parts of the annular closing body and used for supporting and leveling the evaluation test paper from the inside of the closing body, and a tensioning roller used for adjusting the tensioning of the evaluation test paper, wherein the first conveying roller, the second conveying roller and the tensioning roller are arranged in parallel and can rotate around the axis direction of the first conveying roller, the first conveying roller is positioned below the paper feeding rubber roller and used for jacking the evaluation test paper at the bottom of the paper feeding rubber roller;
the driving device is used for driving the paper feeding rubber roller to rotate around the axis of the driving device, and is provided with a speed setting module for setting the rotating speed of the paper feeding rubber roller and a time setting module for setting the rotating time of the paper feeding rubber roller, wherein the evaluation test paper is conveyed to the second conveying roller from the position between the paper feeding rubber roller and the first conveying roller.
Preferably, the positioning device comprises a positioning seat fixed on the base, a connecting lug positioned on one side of the upper part of the positioning seat, a positioning clamp rotatably arranged on the connecting lug and capable of being positioned and connected with one end part of the paper feeding rubber roll, and an auxiliary clamp arranged on the positioning seat and rotatably connected with the other end part of the paper feeding rubber roll, wherein the centers of the positioning clamp and the auxiliary clamp are positioned on the same straight line, and the central connecting line of the positioning clamp and the auxiliary clamp is parallel to the first transmission roll.
According to a specific implementation of the utility model and preferred aspect, the locating clip includes that rotate the chuck of connecting at the engaging lug, set up on the chuck and can be in step close to or keep away from the jack catch of motion to the chuck central line through the pivot, and wherein the jack catch has at least threely, and round the circumference evenly distributed of chuck. In the mechanical field, three-jaw chucks or four-jaw chucks are common.
Preferably, the auxiliary clamp comprises an auxiliary frame positioned on the positioning seat and a sleeve rotatably arranged on the auxiliary frame and having an axis coinciding with the axis of the rotating shaft, wherein the end of the paper feeding rubber roller is inserted into the sleeve.
Furthermore, a connecting hole is formed in the sleeve, the connecting hole is a polygonal hole or a flat hole, and the corresponding end part of the paper feeding rubber roll is matched with the connecting hole. Thus, the paper feeding rubber roller is convenient to fix from two end surface parts.
According to another specific implementation and preferred aspect of the present invention, the auxiliary clamp further includes a slide rail extending along the axial lead direction of the sleeve and positioned on the positioning seat, a slide seat slidably disposed on the slide rail, and a locking member for positioning the slide seat relative to the slide rail, wherein the slide seat is fixedly connected to the auxiliary frame. Therefore, the positioning of the paper feeding rubber roller with different lengths can be realized, the adjustment of the position of the rubber roller is facilitated, and the rubber roller is ensured to be positioned in the middle of the evaluation test paper.
According to the utility model discloses a still another concrete implementation and preferred aspect, transmission device still includes the elasticity adjusting part of the first transmission roller up-and-down motion of drive in order to adjust the first transmission roller and exert the pressure adjusting part of effort size, drive second transmission roller translation in order to adjust distance between first transmission roller and the second transmission roller to the rubber roll that form advancing.
Preferably, the base is provided with a support seat for supporting the first transmission roller from two end portions, and the pressure adjusting assembly comprises support rods which can be movably arranged on the support seat up and down along the vertical direction, a support seat which is arranged at the top of each support rod and has a V-shaped support section, a connecting rod for connecting the two support rods, a first lever member with a rotating fulcrum arranged on the positioning seat and one end portion connected with the connecting rod, and a first balance weight module arranged at the other end portion of the first lever member. That is to say, through the weight selection of the first counterweight module, the acting force applied by the first transmission roller to the paper feeding rubber roller is determined, so that the performance of the paper feeding rubber roller can be detected under different working conditions.
Preferably, the tightness adjusting assembly comprises a guide rail erected on the base and extending horizontally along the direction perpendicular to the second conveying roller, a base arranged on the guide rail in a sliding and adjusting mode, and the second conveying roller is fixed on the base from supports at two end portions. That is, by changing the distance between the first conveying roller and the second conveying roller, it is also possible to adjust the evaluation test paper looseness.
In addition, the tensioning roller is located the bottom of annular closing body, and the bracket setting from both ends is in the top of base, transmission device is still including the tension adjusting part that is used for adjusting tensioning roller up-and-down motion, this tension adjusting part includes the branch that sets up on the bracket along vertical direction activity from top to bottom, set up at branch upper end and the cover establish the rod cover at the tensioning roller tip, a connecting rod for connecting two spinal branch poles, the second lever spare that the fulcrum setting was on the support and a tip is connected with the connecting rod, and set up the second counter weight module at another tip of second lever spare. The principle is the same as that of the above-mentioned pressure regulating assembly, and a repeated description thereof will not be made.
As to drive arrangement in this application, it mainly includes motor and the control module that sets up on the positioning seat and pass through drive assembly looks transmission connection with the pivot cap engaging lug tip, and wherein speed setting module and time setting module all communicate with control module.
Due to the implementation of the above technical scheme, compared with the prior art, the utility model have the following advantage:
the utility model discloses a simulation paper feed rubber roll is under true use operating mode, combines to set for time and rotational speed information experiment of form advancing, and the user can oneself through measuring before the rubber roll experiment of form advancing and the thickness change after the experiment this moment, can judge whether should form advancing rubber roll life satisfies the requirement, and at every turn only to a paper feed rubber roll carry out the evaluation test, and the evaluation process is the basic noninterference, and the problem discovery is easy, the convenient accuracy of data acquisition.
Drawings
Fig. 1 is a schematic structural view of the paper feeding rubber roll life evaluation tester of the utility model;
FIG. 2 is an exploded view of FIG. 1;
FIG. 3 is a schematic front view of FIG. 1;
FIG. 4 is a schematic left side view of FIG. 1;
wherein: 1. a base;
2. a positioning device; 20. positioning seats; 20a, a notch; 21. connecting lugs; 22. positioning clips; 220. a chuck; 221. a claw; 23. an auxiliary clamp; 230. an auxiliary frame; 231. a sleeve; 232. a slide rail; 233. a slide base;
3. evaluating the test paper;
4. a transmission device; 41. a first transfer roller; a. a supporting seat; a1, an avoiding groove; 42. a second transfer roller; 43. a tension roller; 44. a pressure regulating assembly; 440. a support bar; 441. a support; 442. a connecting rod; 443. a first lever member; 443a, a first fixing rod; 443b, a first lever; x, a first positioning column; 45. a tightness adjusting assembly; 450. a guide rail; 451. a base; 452. a telescopic rod; b. a support; 46. a tension adjustment assembly; 460. a strut; 461. a rod sleeve; 462. a connecting rod; 463. a second lever member; 463a, a second fixing lever; 463b, a second lever; y, a second positioning column; c. a bracket; c1, elongated hole;
5. a drive device; 50. a motor; 51. a transmission assembly;
G. paper feeding rubber roller.
Detailed Description
In order to make the above objects, features and advantages of the present invention more comprehensible, the present invention is described in detail with reference to the accompanying drawings and the detailed description thereof. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention. The present invention may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein, as those skilled in the art will be able to make similar modifications without departing from the spirit and scope of the present invention.
In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", and the like, indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.
Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.
In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
In the present application, unless expressly stated or limited otherwise, the first feature may be directly on or directly under the second feature or indirectly via intermediate members. Also, a first feature "on," "over," and "above" a second feature may be directly or diagonally above the second feature, or may simply indicate that the first feature is at a higher level than the second feature. A first feature being "under," "below," and "beneath" a second feature may be directly under or obliquely under the first feature, or may simply mean that the first feature is at a lesser elevation than the second feature.
It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like as used herein are for illustrative purposes only and do not denote a unique embodiment.
As shown in fig. 1, the life evaluation tester for paper feeding rollers of printers or copiers according to the present embodiment includes a base 1, a positioning device 2, an evaluation test paper 3, a conveying device 4, and a driving device 5.
Specifically, as shown in fig. 2, the base 1 is a horizontally disposed rectangular frame plate.
The positioning device 2 is used for positioning the paper feeding rubber roller G from two end parts, and the paper feeding rubber roller G can rotate around the axis of the paper feeding rubber roller G.
In this example, the positioning device 2 includes a positioning seat 20 fixed on the rectangular frame plate, a connecting lug 21 located on one side of the upper portion of the positioning seat 20, a positioning clip 22 rotatably disposed on the connecting lug 21 and capable of being positioned and connected with one end of the paper feeding rubber roller G, and an auxiliary clip 23 disposed on the positioning seat 20 and rotatably connected with the other end of the paper feeding rubber roller G, wherein centers of the positioning clip 22 and the auxiliary clip 23 are located on the same straight line.
Specifically, the positioning seat 20 is vertically arranged at the right end of the rectangular frame plate, and the positioning clamp 22 includes a chuck 220 rotatably connected to the engaging lug 21 through a rotating shaft, and three jaws 221 arranged on the chuck 220 and capable of synchronously moving toward or away from the center line of the chuck 220, wherein the jaws 221 are uniformly distributed around the circumference of the chuck 220. In the mechanical field, three-jaw chucks or four-jaw chucks are common structures, and the principle of the three-jaw chucks or the four-jaw chucks is not described in detail and is clear and practicable.
The auxiliary clamp 23 comprises an auxiliary frame 230 positioned on the positioning seat 20, and a sleeve 231 rotatably arranged on the auxiliary frame 230 and having a shaft axis coinciding with that of the rotating shaft, wherein a connecting hole is formed in the sleeve 231, and the end of the paper feeding rubber roller G is inserted into the connecting hole of the sleeve 231.
The connecting hole is a polygonal hole or a flat hole, and the corresponding end part of the paper feeding rubber roll G is matched with the connecting hole. The other end of the paper feeding rubber roller G is cylindrical and is clamped at the center of the three clamping jaws 221. Thus, the paper feeding rubber roller G is convenient to fix from two end surfaces.
Then, in consideration of the position and length of the glue roller, in this example, the auxiliary clamp 23 further includes a slide rail 232 extending along the axial line direction of the sleeve 231 and positioned on the positioning seat 20, a slide seat 233 slidably disposed on the slide rail 232, and a locking member (not shown) for positioning the slide seat 233 and the slide rail 232 relative to each other, wherein the slide seat 233 is fixedly connected to the auxiliary frame 230. Therefore, the positioning of the paper feeding rubber roller with different lengths can be realized, the adjustment of the position of the rubber roller is facilitated, and the rubber roller is ensured to be positioned in the middle of the evaluation test paper.
As for the slide rail 232, which is a rail with an i-shaped cross section, the slide seat 233 has a locking portion extending into two side regions of the i-shaped cross section, wherein a connecting hole is provided on the locking portion, and the locking member is a locking bolt (not shown, but not conceivable) which is matched with the connecting hole and can abut against the rail.
The auxiliary frame 230 is L-shaped, and is fixedly connected to the sliding base 233 from one side, and the other side is parallel to the connecting ear 21.
The sleeve 231 is rotatably disposed on the side of the auxiliary frame 230 parallel to the engaging lug 21 by a bearing.
An evaluation test paper 3 of the same material as that of paper for a printer or a copier and formed in a head-to-tail relationship
An annular closure.
Referring to fig. 3 and 4, the conveying device 4 includes a first conveying roller 41 and a second conveying roller 42 which are located at both ends of the annular closed body and support the evaluation test paper 3 from the inside of the closed body, and a tension roller 43 for adjusting tension of the evaluation test paper, wherein the first conveying roller 41, the second conveying roller 42, and the tension roller 43 are arranged in parallel to each other and are all rotatably arranged around their axes.
Specifically, the first conveying roller 41 is located below the paper feeding rubber roller G, and the evaluation test paper 3 is pressed against the bottom of the paper feeding rubber roller G, wherein the axis of the first conveying roller 41 is parallel to the axis of the paper feeding rubber roller G.
The second conveying roller 42 is located on the left side of the first conveying roller 41, and the third conveying roller 43 is located on the bottom of the evaluation test paper 3.
In this example, the conveying device 4 further includes a pressure adjusting assembly 44 for driving the first conveying roller 41 to move up and down to adjust the force applied by the first conveying roller 41 to the paper feeding rubber roller G, a tension adjusting assembly 45 for driving the second conveying roller 42 to move horizontally to adjust the distance between the first conveying roller 41 and the second conveying roller 42, and a tension adjusting assembly 46 for adjusting the tension roller 43 to move up and down.
The supporting base a supporting the first transferring roller 41 from both ends is provided on the rectangular frame plate, and the pressure adjusting assembly 44 includes supporting rods 440 vertically movably provided on the supporting base a, a support 441 having a V-shaped supporting section and provided on the top of each supporting rod 440, a connecting rod 442 for connecting the two supporting rods 440, a first lever member 443 having a rotation fulcrum provided on the positioning base 20 and having one end connected to the connecting rod, and a first weight module (not shown but not shown) provided on the other end of the first lever member 443. That is to say, through the weight selection of the first counterweight module, the acting force applied by the first transmission roller to the paper feeding rubber roller is determined, so that the performance of the paper feeding rubber roller can be detected under different working conditions.
Specifically, a notch 20a is formed in the bottom of the positioning seat 20, an avoiding groove a1 extending along the up-down direction is formed in the bottom of the supporting seat a, the first lever member 443 includes a first fixing rod 443a extending along the direction parallel to the length direction of the first transmission roller 41 and positioned at the notch 20a to form a rotation fulcrum, and a first lever 443b formed to allow the first fixing rod 443a to pass through the hole and vertically connected to the first fixing rod, wherein one end of the first lever 443b is connected to the middle of the connecting rod 442, the other end is located to be provided with a first positioning column x, and the first counterweight module is sleeved on the first positioning column x.
As for the connection rod 442, it is transversely disposed between the two support seats a, and both ends are located in the avoiding groove a1, and the lower end of the support rod 440 is fixedly connected with the connection rod 442.
As for the V-shaped support 441, a V-shaped groove is formed in the middle of a rectangular module, and the shaft end of the first transfer roller is freely erected on two side walls of the V-shaped groove through a bearing.
The tension adjusting assembly 45 includes a guide rail 450 extending horizontally along a direction perpendicular to the second conveying roller 42 and mounted on the base 1, a base 451 slidably and adjustably provided on the guide rail 450, and a telescopic rod 452 provided parallel to the guide rail 450 and capable of pushing the base 451 to move horizontally, and the second conveying roller 42 is fixed to the base 451 from brackets b at both ends thereof. That is, by changing the distance between the first conveying roller and the second conveying roller, it is also possible to adjust the evaluation test paper looseness.
Specifically, the telescopic rod 452 may be driven pneumatically, hydraulically, or electrically.
The tension roller 43 is located at the bottom of the annular closing body, and brackets c from both ends are disposed above the base 1, and the tension adjusting assembly 46 includes a support rod 460 vertically movably disposed on the bracket c, a rod sleeve 461 disposed on the upper end of the support rod 460 and sleeved on the end of the tension roller 43, a connecting rod 462 for connecting the two support rods 460, a second lever member 463 having a rotation fulcrum disposed on the bracket b and having one end connected to the connecting rod 462, and a second counterweight module (not shown but not difficult to think) disposed on the other end of the second lever member 463. The principle is the same as the pressure regulating assembly 44 described above, and will not be described repeatedly.
As for the structure of the second lever member 463, it includes a second fixing lever 463a extending in a direction parallel to the length direction of the tension roller 43 and locating two brackets b to form a rotation fulcrum, and a second lever 463b formed to allow the second fixing lever 463a to pass through the hole and vertically connected with the second fixing lever 463a, wherein one end of the second lever 463b is connected with the middle part of the connecting rod 462, and the other end is located to be provided with a second locating column y, and the second weight module is sleeved on the second locating column y.
Specifically, the bracket c is provided with an elongated hole c1 formed along the vertical direction, both ends of the link 462 are movable up and down in the elongated hole c1, the lower end of the rod 460 is fixed to the link 462, or the end of the link 462 penetrates the rod 460 and is fixedly connected thereto.
In this example, the tension roller 43 is provided near the second conveying roller 42, and one end of the extendable rod 452 is fixed to the bracket c and the other end is fixed to the bracket b.
The driving device 5 is used for driving the paper feeding rubber roller G to rotate around the axis of the driving device, and comprises a motor 50 and a control module (not shown in the figure, but not difficult to think) which are arranged on the positioning seat 20 and are in transmission connection with the end part of the rotating shaft protruding out of the connecting lug 21 through a transmission assembly 51, and the driving device is provided with a speed setting module (not shown in the figure, but not difficult to think) for setting the rotating speed of the paper feeding rubber roller and a time setting module (not shown in the figure, but not difficult to think) for setting the rotating time of the paper feeding rubber roller, wherein the evaluation test paper 3 is conveyed to the second conveying roller 42 from the position between the paper feeding rubber roller G.
As for the transmission assembly 51, in this example, a pulley type is used. Which are conventional in the art and will not be described in detail herein.
In conclusion, the service life evaluation tester of the paper feeding rubber roll in the embodiment has the following advantages:
1) the implementation equipment is simple, the cost of required accessories and consumables is extremely low, and the paper feeding rubber roll can be tested and detected under different use working conditions;
2) the practicability is strong, the evaluation can be unfolded at any time, and the production and assembly of a prototype are not required to be waited;
3) the user can quickly realize self evaluation after the parts are assembled without depending on a complete machine production plant (technical core);
4) the predictive evaluation in the design stage (prototype-free stage) can be realized;
5) due to the fact that single object evaluation is adopted, the evaluation process is basically free of interference, problems are easy to find, and data collection is convenient, fast and accurate.
The present invention has been described in detail, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and to implement the same, and the protection scope of the present invention should not be limited thereby, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the protection scope of the present invention.
Claims (10)
1. The utility model provides a life-span evaluation tester of printer or duplicator rubber roll that form advances which characterized in that: it includes:
a base;
the positioning device is used for positioning the paper feeding rubber roller from two end parts, and the paper feeding rubber roller can rotate around the axis of the paper feeding rubber roller;
evaluation test paper of the same material as paper for a printer or copier and formed end-to-end
An annular closure;
the conveying device comprises a first conveying roller and a second conveying roller which are positioned at two end parts of the annular closing body and used for supporting and leveling the evaluation test paper from the inside of the closing body, and a tensioning roller used for adjusting the tensioning of the evaluation test paper, wherein the first conveying roller, the second conveying roller and the tensioning roller are arranged in parallel and can rotate around the axis direction of the first conveying roller, and the first conveying roller is positioned below the paper feeding rubber roller and used for pressing the evaluation test paper to the bottom of the paper feeding rubber roller;
the driving device is used for driving the paper feeding rubber roller to rotate around the axis of the driving device, and is provided with a speed setting module for setting the rotating speed of the paper feeding rubber roller and a time setting module for setting the rotating time of the paper feeding rubber roller, wherein the evaluation test paper is conveyed to the second conveying roller from the position between the paper feeding rubber roller and the first conveying roller.
2. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 1, characterized in that: the positioning device comprises a positioning seat fixed on the base, a connecting lug positioned on one side of the upper part of the positioning seat, an auxiliary clamp which is rotatably arranged on the connecting lug and can be in positioning connection with one end part of the paper feeding rubber roll, and the auxiliary clamp which is arranged on the positioning seat and is rotatably connected with the other end part of the paper feeding rubber roll, wherein the centers of the positioning clamp and the auxiliary clamp are positioned on the same straight line, and the center line of the positioning clamp and the auxiliary clamp is parallel to the first transmission roll.
3. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 2, characterized in that: the positioning clamp comprises a chuck which is rotatably connected with the connecting lug through a rotating shaft, and clamping jaws which are arranged on the chuck and can synchronously move close to or away from the center line of the chuck, wherein the number of the clamping jaws is at least three, and the clamping jaws are uniformly distributed around the circumference of the chuck.
4. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 3, characterized in that: the auxiliary clamp comprises an auxiliary frame positioned on the positioning seat and a sleeve which is rotatably arranged on the auxiliary frame and the axis of which is superposed with the axis of the rotating shaft, wherein the end part of the paper feeding rubber roll is inserted into the sleeve.
5. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 4, characterized in that: the paper feeding rubber roll is characterized in that a connecting hole is formed in the sleeve, the connecting hole is a polygonal hole or a flat hole, and the corresponding end of the paper feeding rubber roll is matched with the connecting hole.
6. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 4, characterized in that: the auxiliary clamp further comprises a slide rail, a slide seat and a locking piece, wherein the slide rail extends along the axial lead direction of the sleeve and is positioned on the positioning seat, the slide seat is arranged on the slide rail in a sliding mode, the locking piece is used for positioning the slide seat and the slide rail relatively, and the slide seat is fixedly connected with the auxiliary frame.
7. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 2, characterized in that: the conveying device further comprises a pressure adjusting component for driving the first conveying roller to move up and down so as to adjust the acting force exerted by the first conveying roller on the paper feeding rubber roller, and a tightness adjusting component for driving the second conveying roller to move horizontally so as to adjust the distance between the first conveying roller and the second conveying roller.
8. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 7, wherein: the base on be equipped with from both ends support the supporting seat of first transmission roller, pressure adjusting assembly include respectively along vertical direction can set up with moving about from top to bottom bracing piece on the supporting seat, set up at every bracing piece top and support the cross-section and be the support of V type, be used for with two the connecting rod that the bracing piece is connected, the fulcrum setting is in on the positioning seat and one end with the first lever spare that the connecting rod is connected, and set up and be in first counter weight module of another tip of first lever spare.
9. The life evaluation tester for paper feeding rollers of printers or copiers according to claim 7, wherein: the tightness adjusting assembly comprises a guide rail, a base and a telescopic rod, wherein the guide rail is erected on the base and extends horizontally along the direction perpendicular to the second transmission roller, the base is arranged on the guide rail in a sliding adjusting mode, the telescopic rod is arranged in parallel with the guide rail and can push the base to move horizontally, and the second transmission roller is fixed on the base through supports at two end parts.
10. The life evaluation tester for paper feed rollers of printers or copiers according to claim 9, characterized in that: the tensioning roller be located the bottom of annular closing body, and the bracket setting from both ends is in the top of base, transmission device still including being used for adjusting tensioning roller up-and-down motion's tension adjusting part, tension adjusting part include along vertical direction activity from top to bottom set up branch on the bracket, set up and be in branch upper end and cover are established the rod cover of tensioning roller tip, be used for with two connecting rod, the rotation fulcrum setting that branch is connected are in on the support and a tip with the second lever spare that the connecting rod is connected and setting are in the second counter weight module of another tip of second lever spare.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920775476.0U CN209992151U (en) | 2019-05-27 | 2019-05-27 | Service life evaluation tester for paper feeding rubber roller of printer or duplicator |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920775476.0U CN209992151U (en) | 2019-05-27 | 2019-05-27 | Service life evaluation tester for paper feeding rubber roller of printer or duplicator |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209992151U true CN209992151U (en) | 2020-01-24 |
Family
ID=69295380
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920775476.0U Active CN209992151U (en) | 2019-05-27 | 2019-05-27 | Service life evaluation tester for paper feeding rubber roller of printer or duplicator |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209992151U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207962A (en) * | 2019-05-27 | 2019-09-06 | 橡技工业(苏州)有限公司 | The life assessment tester of printer or copying machine paper feed rubber roller |
-
2019
- 2019-05-27 CN CN201920775476.0U patent/CN209992151U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110207962A (en) * | 2019-05-27 | 2019-09-06 | 橡技工业(苏州)有限公司 | The life assessment tester of printer or copying machine paper feed rubber roller |
| CN110207962B (en) * | 2019-05-27 | 2024-02-27 | 橡技工业(苏州)有限公司 | Service life evaluation tester for paper feeding rubber roller of printer or copying machine |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103250039B (en) | Material testing machine | |
| CN209992151U (en) | Service life evaluation tester for paper feeding rubber roller of printer or duplicator | |
| CN110207962B (en) | Service life evaluation tester for paper feeding rubber roller of printer or copying machine | |
| EP2704613A1 (en) | Media hanger/guide | |
| US7762145B2 (en) | Method for measuring bending moments on a joint and measurement arrangement for performing the method | |
| CN209992150U (en) | Evaluation test paper conveying device for detecting service life of rubber roller of printer or duplicator | |
| CN205879414U (en) | Flexible self -tightening gripper mechanism | |
| GB1567440A (en) | Electric dynamometer | |
| US6622571B2 (en) | Apparatus for measuring tension and stress capable of adjusting an angle of measurement | |
| CN209802644U (en) | Positioning device of printer or copier rubber roll life evaluation tester | |
| CN108414173B (en) | Device and method for measuring torsional rigidity of rubber bushing | |
| CN111579559B (en) | Detection tool of electrode tip detection machine | |
| FI72466C (en) | HAOLLARE FOER TRYCKPLATTA. | |
| CN208476153U (en) | A kind of machine for rolling parts cubing | |
| DE102010038980B4 (en) | Measuring device for measuring a torque curve of an object to be tested | |
| CN112067454B (en) | Extensometer anti-slip device in high-temperature extensometer Gao Wenzhun static loading test | |
| CN210400816U (en) | Quick detection device for handle looseness | |
| CN211042941U (en) | Composite material fracture toughness test testing device | |
| CN210703749U (en) | Clamp for machining and sampling conical steel bars | |
| TWI351514B (en) | ||
| EP1516741A1 (en) | Head support base for thermal printer | |
| CN214407576U (en) | Automobile-used sunshade screen assembly detection device | |
| CN217878669U (en) | Tensile frock of T type structure | |
| CN217688225U (en) | Scraping experimental device | |
| CN220854461U (en) | Special testing machine for bolt stretching |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |