CN-224209414-U - Weld joint positioning mechanism of gravure roll

CN224209414UCN 224209414 UCN224209414 UCN 224209414UCN-224209414-U

Abstract

The utility model relates to the technical field of gravure roll processing, in particular to a weld joint positioning mechanism of a gravure roll, which comprises a positioning table, wherein the positioning table is provided with a rolling module and an identification module, the rolling module comprises a driving wheel and a driven wheel which are arranged at intervals, the identification module comprises a photographing lens arranged at the top of the positioning table, the photographing lens is longitudinally arranged, the photographing direction of the photographing lens faces to the gravure roll, the gravure roll which needs to be welded in a gap is placed in the rolling module, the driving wheel and the driven wheel roll to support the gravure roll, then the driving wheel rotates and is in rolling fit with the gravure roll, friction force is increased, the gravure roll rotates in cooperation with the driven wheel, and the photographing lens at the positioning table continuously photographs until the weld joint of the gravure roll is photographed right above the photographing lens, at the moment, the other transfer mechanisms can clamp the gravure roll, for example, the left side and the right side of the gravure roll are not contacted with a welding gap when the gravure roll is clamped, and deformation of the gravure roll is prevented when the transfer is ensured.

Inventors

LIU WANFENG
CHENG YAFEI
LV XINHANG
WANG XIAOWEI
LI YANWEN
ZHANG XIAOLEI

Assignees

东莞东运机械制造有限公司

Dates

Publication Date: 20260508
Application Date: 20250423

Claims (10)

1. The welding seam positioning mechanism of the gravure roll comprises a positioning table, wherein the positioning table is provided with a rolling module and an identification module, and is characterized in that the rolling module comprises a driving wheel and a driven wheel which are arranged at intervals, the driving wheel and the driven wheel roll and support the gravure roll, the driving wheel and the driven wheel comprise a rotatable wheel body and an encapsulation sleeve sleeved on the wheel body, the encapsulation sleeve is in rolling fit with the gravure roll, the identification module comprises a photographing lens arranged at the top of the positioning table, the photographing lens is longitudinally arranged, and the photographing direction of the photographing lens faces towards the gravure roll.
2. The welding seam positioning mechanism of a gravure roll according to claim 1, wherein the rolling module further comprises a rolling support seat for mounting a driving wheel and a driven wheel, two sides of the rolling support seat are provided with raised side guide plates, and a pair of driving shafts and driven shafts which are arranged in parallel at intervals are arranged between the two side guide plates.
3. The weld positioning mechanism of a gravure roll according to claim 2, wherein the driving shaft is used for installing a driving wheel, and the driven shaft is used for installing a driven wheel.
4. The welding seam positioning mechanism of a gravure roll of claim 3, wherein the side guide plate is formed with a longitudinally arranged mounting groove, an opening is formed at the top of the mounting groove, and the driving shaft is detachably mounted in the mounting groove.
5. The welding seam positioning mechanism of a gravure roll according to claim 4, wherein bearing blocks are mounted at two ends of the driving shaft, the bearing blocks are formed with first connecting holes, the side guide plates are formed with second connecting holes coaxially aligned with the first connecting holes, and the bearing blocks are connected with the side guide plates through the first connecting holes and the second connecting holes.
6. The welding seam positioning mechanism of a gravure roll according to claim 5, wherein the positioning table is further provided with a rotation driving piece for driving the driving wheel to rotate, the rotation driving piece comprises a motor seat, a driving motor is arranged on the motor seat, and the driving motor is in transmission connection with the driving shaft.
7. The welding seam positioning mechanism of a gravure roll according to claim 6, wherein a driving cavity is formed in the positioning table, a motor seat is arranged in the driving cavity of the positioning table, a speed reducer in transmission connection with a driving end of a driving motor is further arranged on the motor seat, a driving synchronous wheel is arranged at the driving end of the speed reducer, a driven synchronous wheel vertically aligned with the driving synchronous wheel is coaxially arranged on the driving shaft, a transmission belt is sleeved between the driving synchronous wheel and the driven synchronous wheel in a transmission mode, and a transmission groove for the transmission belt to pass through is formed at the top of the positioning table.
8. The welding seam positioning mechanism of a gravure roll according to claim 7, wherein the number of the rolling modules is two, the two rolling modules are arranged in parallel at intervals, the two rolling modules are arranged at the top of the positioning table in a transversely aligned manner, and the rotary driving piece is in transmission connection with the driving wheel of one rolling module.
9. The welding seam positioning mechanism of a gravure roll of claim 8, wherein the identification module is located between the two rolling modules, and the identification module further comprises an identification seat for installing a photographing lens, wherein the identification seat can move up and down above the positioning table.
10. The welding seam positioning mechanism of the gravure roll according to claim 9, wherein the positioning table is provided with a lifting groove, a lifting electric cylinder installed in the driving cavity is arranged at the bottom of the lifting groove, the body of the lifting electric cylinder is installed at the bottom of the lifting groove, and the driving end of the lifting electric cylinder penetrates through the lifting groove, and the driving end of the lifting electric cylinder is connected with the identification seat.

Description

Weld joint positioning mechanism of gravure roll Technical Field The utility model relates to the technical field of gravure roll processing, in particular to a weld joint positioning mechanism of a gravure roll. Background The gravure roll is a common coating production jig, can smoothly and uniformly coat the coating on a product, and is suitable for coating production of various coating processes such as direct gravure coating, reverse roll coating and the like. The main parameters of the gravure roll include mesh number, mesh depth and the like, wherein the mesh number is a measurement form of granularity or fineness of the material, and refers to the number of holes of a screen in a 1 inch (25.4 mm) line segment, so that the larger the mesh number is, the finer the particles are, and the mesh depth of the surface of the gravure roll determines the coating carrying amount of the gravure roll. These parameters are all related to the gravure roll manufacturing process, not only affect the coating efficiency, but also directly determine the coating quality, and the gravure roll with the same parameters can generate different adverse phenomena in the coating production of different processes. In order to ensure the coating quality, in coating production, particularly in precision coating production, the gravure roll is generally a special roll, and different processes adopt gravure rolls with different parameters. The gravure roll processing is to wind the iron sheet into a roll-shaped structure, after the winding is completed, gaps are needed to be eliminated in a welding mode, an integrated structure is formed, before welding, the primarily formed gravure roll can be clamped and transferred to a corresponding station in a clamping mode, and during transfer, the clamping device is easy to clamp to the gaps, so that the gravure roll is deformed. Disclosure of utility model The utility model aims to provide a weld joint positioning mechanism of a gravure roll, which aims at overcoming the defects of the prior art. In order to achieve the above purpose, the technical scheme of the utility model is as follows: The weld joint positioning mechanism of the gravure roll comprises a positioning table, wherein the positioning table is provided with a rolling module and an identification module, the rolling module comprises a driving wheel and a driven wheel which are arranged at intervals, the driving wheel and the driven wheel roll-support the gravure roll, the driving wheel and the driven wheel both comprise a rotatable wheel body and an encapsulation sleeve sleeved on the wheel body, the encapsulation sleeve is in rolling fit with the gravure roll, the identification module comprises a photographing lens arranged at the top of the positioning table, the photographing lens is longitudinally arranged, and the photographing direction of the photographing lens faces towards the gravure roll. The rolling module further comprises a rolling support seat for mounting the driving wheel and the driven wheel, wherein two sides of the rolling support seat are provided with raised side guide plates, and a pair of driving shafts and driven shafts which are arranged in parallel at intervals are arranged between the two side guide plates. Further, the driving shaft is used for installing a driving wheel, and the driven shaft is used for installing a driven wheel. Further, the side guide plates are formed with longitudinally arranged mounting grooves, openings are formed in the tops of the mounting grooves, and the driving shafts are detachably mounted in the mounting grooves. Further, bearing seats are arranged at two ends of the driving shaft, first connecting holes are formed in the bearing seats, second connecting holes coaxially aligned with the first connecting holes are formed in the side guide plates, and the bearing seats are connected with the side guide plates through the first connecting holes and the second connecting holes. The positioning table is further provided with a rotation driving piece for driving the driving wheel to rotate, the rotation driving piece comprises a motor seat, the motor seat is provided with a driving motor, and the driving motor is in transmission connection with the driving shaft. Further, a driving cavity is formed in the positioning table, the motor base is arranged in the driving cavity of the positioning table, the motor base is further provided with a speed reducer in transmission connection with the driving end of the driving motor, the driving end of the speed reducer is provided with a driving synchronous wheel, the driving shaft is coaxially provided with a driven synchronous wheel vertically aligned with the driving synchronous wheel, a transmission sleeve is arranged between the driving synchronous wheel and the driven synchronous wheel in a transmission belt, and the top of the positioning table is provided with a transmission groove for the transmission belt to pass through. F