CN210605254U - Upper and lower roller clearance adjusting device - Google Patents
Upper and lower roller clearance adjusting device Download PDFInfo
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- CN210605254U CN210605254U CN201921636988.5U CN201921636988U CN210605254U CN 210605254 U CN210605254 U CN 210605254U CN 201921636988 U CN201921636988 U CN 201921636988U CN 210605254 U CN210605254 U CN 210605254U
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- roller
- lower roller
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- adjusting device
- lower roll
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Abstract
The utility model relates to an upper and lower roller gap adjusting device, which comprises a frame arranged at two sides, an upper roller is fixedly arranged on the frame, the machine frame at two sides below the upper roll is respectively provided with a sliding rail, the sliding rails at two sides are respectively provided with a lower roll adjusting device in a moving way, a lower roll is arranged between the two lower roll adjusting devices, the lower side of the lower roll adjusting device is respectively provided with a worm gear lead screw lifter which is respectively driven by a driving mechanism, the lower roller adjusting device is also respectively provided with a position sensor relative to the upper roller, the lower roller is adjusted by the worm gear lead screw lifter, the position self-locking can be realized, the impact resistance is large, the supporting force is strong, and the distance adjustment that the precision can reach for 0.001mm can be realized to cooperation position sensor for the machining precision is higher, and the lower roll is independently adjusted respectively about, and it is more convenient to adjust.
Description
Technical Field
The utility model relates to an upper and lower roller clearance adjustment device belongs to automation equipment technical field.
Background
In general, as one of flat panel display devices that display images using liquid crystal, liquid crystal display devices are widely used in various industries because they have advantages of being thinner, lighter, and having a lower driving voltage and lower power consumption than other display devices.
The most important of the flat panel display devices is a light guide plate, which is used to convert a point light source provided on one side into a surface light source in a display device. The light guide plate minimizes light loss occurring at the light source and uniformly disperses the light over the entire surface using various light diffusion patterns.
Such a light diffusion pattern is formed when the light guide plate is manufactured, the light guide plate passing between a pair of rollers that rotate. However, in order to form the light diffusion pattern by transferring the light guide plate between the rollers, there is a limit to make the thickness of the light guide plate constant, and the distance between the rollers is often required to be adjusted in response to the difference in thickness between the light guide plates of different models.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: in order to overcome the problems, the upper and lower roller gap adjusting device with high adjusting precision is provided.
The utility model provides a technical scheme that its technical problem adopted is:
the utility model provides an upper and lower roller clearance adjustment device, includes the frame that both sides set up, the fixed roller that is provided with in the frame, be provided with the slide rail respectively in the frame of roller below both sides, what remove respectively on the slide rail of both sides is provided with lower roll adjusting device, two be provided with the lower roll between the lower roll adjusting device, lower roll adjusting device downside all is provided with worm gear lead screw lift respectively, worm gear lead screw lift is driven by actuating mechanism respectively, still be provided with position sensor for last roller respectively on the lower roll adjusting device.
Preferably, the lower roll adjusting device comprises a fixing plate provided with a shaft hole, and a compression spring is arranged between the fixing plate and an upper roll plate for fixing the upper roll.
Preferably, a mounting flange is fixedly arranged on the lower side of the lower roller adjusting device, and the mounting flange is fixedly mounted with a head flange on the worm gear screw rod lifter.
Preferably, the lower roll adjusting device is arranged on the slide rails on two sides in a sliding manner through a plurality of slide blocks on two sides.
Preferably, the driving mechanism is a servo motor, and the servo motor is connected with the worm wheel screw rod lifter sequentially through a speed reducer and a coupler and drives the worm wheel screw rod lifter to lift.
Preferably, the position sensors are all connected to a controller, which is also connected to the drive mechanism.
Preferably, the position sensor is a grating ruler for measuring the distance between the lower roller and the upper roller.
The utility model has the advantages that: the utility model discloses a lower roll is adjusted to worm wheel lead screw lift, can the position auto-lock, and the impact resistance is big, and the holding power is strong to cooperation position sensor can reach the distance adjustment that the precision is 0.001mm, makes the machining precision higher, and independently adjusts respectively about the lower roll, and it is more convenient to adjust.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a cross-sectional view of one embodiment of the present invention;
fig. 2 is a side view of an embodiment of the present invention.
The labels in the figure are: 1-a machine frame, 2-an upper roller, 3-a lower roller, 4-a worm-gear screw rod lifter, 5-a lower roller adjusting device, 6-a driving mechanism, 7-a head flange, 8-a mounting flange, 9-a servo motor, 10-a speed reducer, 11-a coupler, 12-a compression spring, 13-a fixing plate, 14-an upper roller plate, 15-a slide rail, 16-a slide block and 17-a position sensor.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
Example 1
As shown in figure 1, the utility model relates to an upper and lower roller gap adjusting device, which comprises a frame 1 arranged on two sides, wherein the frame 1 plays a role of supporting and fixing, an upper roller 2 is fixedly arranged on the frame 1, the upper roller 2 is fixed in the utility model, slide rails 15 are respectively arranged on the frame 1 on two sides below the upper roller 2, lower roller adjusting devices 5 are respectively arranged on the slide rails 15 on two sides in a moving way, a lower roller 3 is arranged between the two lower roller adjusting devices 5, worm wheel screw lifters 4 are respectively arranged on the lower sides of the lower roller adjusting devices 5, the worm wheel screw lifters 4 are respectively driven by a driving mechanism 6, position sensors 17 are respectively arranged on the lower roller adjusting devices 5 relative to the upper roller 2, the position sensors 17 are used for measuring the distance between the lower roller 3 and the upper roller 2, the lower roller 3 is adjusted by the worm wheel screw lifters 4, can the position auto-lock, the impact resistance is big, and the holding power is strong to cooperation position sensor 17 can reach the distance adjustment that the precision is 0.001mm, makes the machining precision higher, and lower roll 3 is controlled independently respectively and is adjusted, and it is more convenient to adjust.
In a preferred embodiment, the lower roll adjusting device 5 comprises a fixing plate 13 provided with a shaft hole, the fixing plate 13 on both sides respectively fixes a lower roll on both sides, the lower roll passes through the shaft hole and is fixed, a compression spring 12 is arranged between the fixing plate 13 and an upper roll plate 14 for fixing the upper roll 2, the compression spring 12 is used for providing a rebound force, and when the fixing plate 13 is adjusted downwards, the rebound force is provided, so that the position of the fixing plate 13 is ensured to be stable.
In a preferred embodiment, a mounting flange 8 is fixedly arranged on the lower side of the lower roller adjusting device 5, and the mounting flange 8 is fixedly mounted with the head flange 7 on the worm gear-screw elevator 4, so that the fixing is more stable.
In a preferred embodiment, as shown in fig. 2, the lower roller adjusting device 5 is slidably disposed on the slide rails 15 on both sides by a plurality of slide blocks 16 on both sides, that is, the fixed plate 13 is fixedly connected with the slide blocks 16, and the number of the slide blocks 16 is determined according to the size of the fixed plate 13.
In a preferred embodiment, the driving mechanism 6 is a servo motor 9, the servo motor 9 is connected with the worm screw lifter 4 sequentially through a speed reducer 10 and a coupler 11 and drives the worm screw lifter to ascend and descend, and the servo motor 9 is adopted for more accurate control.
In the preferred embodiment, position sensor 17 all is connected to the controller, the controller still is connected with actuating mechanism 6, the utility model discloses in not use the controller also can, position sensor 17 is connected with the display, in time shows position value, also can adjust according to the circumstances.
In the preferred embodiment, the position sensor 17 is a grating scale for measuring the distance between the lower roller 3 and the upper roller 2, but the position sensor 17 is not limited to the grating scale, and other industrial sensors may be used.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (7)
1. The upper and lower roller gap adjusting device is characterized by comprising a machine frame arranged on two sides, wherein upper rollers are fixedly arranged on the machine frame, slide rails are respectively arranged on the machine frame on two sides below the upper rollers, lower roller adjusting devices are respectively arranged on the slide rails on the two sides in a moving mode, lower rollers are arranged between the lower roller adjusting devices, worm gear lead screw lifters are respectively arranged on the lower sides of the lower roller adjusting devices, the worm gear lead screw lifters are respectively driven by driving mechanisms, and position sensors are respectively arranged on the lower roller adjusting devices relative to the upper rollers.
2. The upper and lower roller gap adjusting apparatus as claimed in claim 1, wherein the lower roller adjusting apparatus includes a fixing plate provided with a shaft hole, and a pressing spring is provided between the fixing plate and an upper roller plate fixing the upper roller.
3. The upper and lower roll gap adjusting device according to claim 1, wherein a mounting flange is fixedly provided at a lower side of the lower roll adjusting device, and the mounting flange is fixedly mounted with a head flange on the worm screw elevator.
4. The upper and lower roll gap adjusting apparatus as claimed in any one of claims 1 to 3, wherein the lower roll adjusting apparatus is slidably provided on the slide rails on both sides by a plurality of slide blocks on both sides.
5. The upper and lower roll gap adjusting apparatus according to claim 4, wherein the driving mechanism is a servo motor, and the servo motor is connected to the worm screw lifter through a reducer and a coupling in order and drives the worm screw lifter to ascend and descend.
6. The upper and lower roll gap adjusting apparatus according to claim 5, wherein the position sensor is connected to a controller, and the controller is further connected to a driving mechanism.
7. The upper and lower roller gap adjusting apparatus according to claim 6, wherein the position sensor is a grating scale for measuring a distance between the lower roller and the upper roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921636988.5U CN210605254U (en) | 2019-09-29 | 2019-09-29 | Upper and lower roller clearance adjusting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921636988.5U CN210605254U (en) | 2019-09-29 | 2019-09-29 | Upper and lower roller clearance adjusting device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210605254U true CN210605254U (en) | 2020-05-22 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921636988.5U Active CN210605254U (en) | 2019-09-29 | 2019-09-29 | Upper and lower roller clearance adjusting device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210605254U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531544A (en) * | 2019-09-29 | 2019-12-03 | 苏州盟讯电子有限公司 | A kind of up-down rollers slack adjuster |
-
2019
- 2019-09-29 CN CN201921636988.5U patent/CN210605254U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110531544A (en) * | 2019-09-29 | 2019-12-03 | 苏州盟讯电子有限公司 | A kind of up-down rollers slack adjuster |
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