Pneumatic jacking mechanism on unreeling machine

Abstract

The utility model relates to a pneumatic jacking mechanism on an unreeling machine. The pneumatic jacking mechanism comprises a movable plate, wherein the movable plate is arranged on the outer side of a corresponding rack; the execution assembly is connected with the movable plate and the rack and suitable for controlling the movable plate to be close to or away from the rack. The ejector rod is arranged on the rack in a sliding manner; the motor is fixed on the movable plate; the lead screw is connected with the output end of the motor. The lead screw nut is rotationally arranged at one end of the ejector rod and connected with the lead screw. When the air expansion shaft needs to be centered, the execution assemblies of the two racks work, the movable plates are close to the racks, the two ejector rods extend into the racks, and the ejector rods abut against the ends of the corresponding air expansion shaft, so that the two ends of the air expansion shaft are pre-positioned by the two corresponding ejector rods; then the two motors are matched to rotate forwards and backwards, the two lead screws are driven to rotate forwards and backwards, the two ejector rods are driven to synchronously move leftwards or rightwards, the air expansion shaft between the two ejector rods is adjusted leftwards or rightwards, and centering fine adjustment operation is conducted on the air expansion shaft.

Description

Technical Field

[0001] The utility model relates to the technical field of coating equipment, in particular to an air cap mechanism on an unwinding machine. Background Art

[0002] During the rewinding process after the material is changed, the material needs to be guided through the air expansion shaft for unwinding. During the rewinding process, the air expansion shaft needs to be separated from the air lift mechanism and then installed;

[0003] Conventional pneumatic jacking mechanisms use cylinders to achieve tightening, and do not have the function of fine-tuning the centering of the pneumatic shaft. This will cause the axial position of the pneumatic shaft to deviate during the tightening process, resulting in the material not being able to enter the slitting mechanism accurately. Subsequently, a correction mechanism is required to correct the position.

[0004] In summary, how to achieve fine-tuning and centering of the pneumatic shaft has become an urgent problem that researchers in this field need to solve. Summary of the Invention

[0005] The technical problem to be solved by the utility model is: how to achieve fine adjustment and centering of the air expansion shaft;

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is:

[0007] - tached to said driving mechanism, a floating feeder mounted on 'said mechanism, means for raising and lowering the casing vertically relative to the engine, means for raising and lowering the casing vertically relative to the engine, means for raising and lowering the casing vertically relative to the engine, means for raising and lowering the casing vertically relative to the engine, means for raising and lowering the casing vertically relative to the engine, means for raising and lowering the casing vertically relative to the engine,

[0008] In this solution, both ends of the pneumatic shaft are provided with gas-lift mechanisms. When the pneumatic shaft needs to be centered, the executive components of the two frames work, the movable plate approaches the frame, and the two push rods are extended into the frame, and the push rods are abutted against the ends of the corresponding pneumatic shafts. In this way, the two ends of the pneumatic shaft are pre-positioned by the corresponding two push rods, and then the two motors cooperate to rotate forward and reverse, driving the two screw rods to rotate forward and reverse, so that the spacing between the two screw nuts will not change, but will move synchronously to the left or right, driving the two push rods to move synchronously to the left or right, so that the pneumatic shaft between the two push rods can be adjusted to the left or right, and the pneumatic shaft can be fine-tuned for centering.

[0009] In order to illustrate the specific structure of the actuator, the present invention adopts the actuator comprising: a cylinder, one end of which is connected to the movable plate, and the other end of which is connected to the frame;

[0010] In this solution, the actuator is in the form of a cylinder, and when the cylinder works, the movable plate moves closer to or away from the frame.

[0011] In order to ensure that the movable plate only moves in a straight line when approaching the frame, the utility model adopts a guide rod parallel to the axis of the air expansion shaft provided on the outside of the frame; the movable plate is provided with a guide sleeve matching the guide rod;

[0012] The cooperation of the guide rod and the guide sleeve ensures that the movable plate can only move linearly relative to the frame.

[0013] In order to explain how the push rod is connected to the frame, the utility model adopts a mounting sleeve fixedly provided on the frame; a rotating sleeve is rotatably provided in the mounting sleeve through a bearing; and the push rod sliding sleeve is provided in the rotating sleeve;

[0014] The push rod is slidingly arranged in the rotating sleeve. When the assembly is executed, the push rod moves linearly relative to the rotating sleeve. The rotating sleeve is rotatably arranged on the mounting sleeve. When the air shaft rotates, the push rod and the rotating sleeve rotate relative to the mounting sleeve.

[0015] How to match the end of the push rod with the end of the gas expansion shaft, the utility model adopts a positioning sleeve that is adapted to the end of the gas expansion shaft at the end of the push rod;

[0016] The positioning sleeve has a groove that matches the protrusion at the end of the push rod, thereby realizing the connection between the push rod and the air expansion shaft.

[0017] The beneficial effects of the present invention are as follows: the present invention is an air lift mechanism on an unwinding machine, and air lift mechanisms are provided at both ends of the air shaft. When the air shaft needs to be centered, the execution components of the two frames work, the movable plate approaches the frame, and the two push rods are extended into the frame, and the push rods are abutted against the ends of the corresponding air shafts. In this way, the two ends of the air shaft are pre-positioned by the corresponding two push rods, and then the two motors cooperate to rotate forward and reverse, driving the two screw rods to rotate forward and reverse, so that the spacing between the two screw nuts will not change, but will move synchronously to the left or right, driving the two push rods to move synchronously to the left or right, so that the air shaft between the two push rods can be adjusted to the left or right, and the centering fine-tuning operation of the air shaft after pre-positioning is realized. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0019] Figure 1 This is the coordination diagram of the two gas-top mechanisms and the gas expansion shaft;

[0020] Figure 2 Schematic diagram of the structure of the gas cap mechanism;

[0021] In the figure: 1-frame, 2-movable plate, 3-top rod, 4-motor, 5-screw, 6-screw nut, 7-cylinder, 8-guide rod, 9-guide sleeve, 10-mounting sleeve, 11-rotating sleeve, 12-positioning sleeve, 001-pneumatic shaft. DETAILED DESCRIPTION

[0022] The present invention will now be described in further detail with reference to the accompanying drawings, which are simplified schematic diagrams that illustrate the basic structure of the present invention in a schematic manner.

[0023] like Figure 1-2 As shown, the utility model is an air lift mechanism on an unwinding machine, comprising: a movable plate 2, which is arranged on the outside of the corresponding frame 1; an executive component, which is connected to the movable plate 2 and the frame 1, and is suitable for controlling the movable plate 2 to approach or move away from the frame 1; a push rod 3, which is parallel to the axial direction of the air expansion shaft 001 and is slidably arranged on the frame 1; a motor 4, which is fixed on the movable plate 2; a screw rod 5, which is connected to the output end of the motor 4; a screw nut 6, which is rotatably arranged at one end of the push rod 3 and connected to the screw rod 5; when the axial position of the air expansion shaft 001 needs to be adjusted, the executive component drives the corresponding movable plate 2 to approach the corresponding frame 1, and the push rod 3 follows the movable plate 2 to perform axial movement, so that the end of the push rod 3 abuts against the air expansion shaft 001, and then the motor 4 works, and through the transmission of the screw rod 5 and the screw nut 6, the corresponding push rod 3 is adjusted to perform axial movement, thereby adjusting the axial position of the air expansion shaft 001;

[0024] In this solution, both ends of the pneumatic shaft are provided with gas-lift mechanisms. When the pneumatic shaft needs to be centered, the executive components of the two frames work, the movable plate approaches the frame, and the two push rods are extended into the frame, and the push rods are abutted against the ends of the corresponding pneumatic shafts. In this way, the two ends of the pneumatic shaft are pre-positioned by the corresponding two push rods, and then the two motors cooperate to rotate forward and reverse, driving the two screw rods to rotate forward and reverse, so that the spacing between the two screw nuts will not change, but will move synchronously to the left or right, driving the two push rods to move synchronously to the left or right, so that the pneumatic shaft between the two push rods can be adjusted to the left or right, and the pneumatic shaft can be fine-tuned for centering.

[0025] like Figure 1-2 As shown, in order to illustrate the specific structure of the execution assembly, the execution assembly adopted by the present invention includes: a cylinder 7, one end of which is connected to the movable plate 2, and the other end of which is connected to the frame 1;

[0026] In this solution, the actuator is in the form of a cylinder, and when the cylinder works, the movable plate moves closer to or away from the frame.

[0027] like Figure 1-2 As shown, in order to ensure that the movable plate only makes linear motion when approaching the frame, the utility model adopts a guide rod 8 parallel to the axis of the gas expansion shaft 001 provided on the outer side of the frame 1; the movable plate 2 is provided with a guide sleeve 9 matching the guide rod 8;

[0028] The cooperation of the guide rod and the guide sleeve ensures that the movable plate can only move linearly relative to the frame.

[0029] like Figure 1-2 As shown, in order to illustrate how the push rod is connected to the frame, the utility model adopts a mounting sleeve 10 fixedly provided on the frame 1; a rotating sleeve 11 is rotatably provided in the mounting sleeve 10 through a bearing; and the push rod 3 is slidably sleeved in the rotating sleeve 11;

[0030] The push rod is slidingly arranged in the rotating sleeve. When the assembly is executed, the push rod moves linearly relative to the rotating sleeve. The rotating sleeve is rotatably arranged on the mounting sleeve. When the air shaft rotates, the push rod and the rotating sleeve rotate relative to the mounting sleeve.

[0031] like Figure 1-2 As shown, how to match the end of the push rod with the end of the gas expansion shaft, the utility model adopts the end of the push rod 3 to be provided with a positioning sleeve 12 adapted to the end of the gas expansion shaft 001;

[0032] The positioning sleeve has a groove that matches the protrusion at the end of the push rod, thereby realizing the connection between the push rod and the air expansion shaft.

[0033] Based on the above-mentioned ideal embodiment of the present invention, and in accordance with the above description, relevant personnel can make various changes and modifications without departing from the technical scope of the present invention. The technical scope of the present invention is not limited to the content of the specification, but must be determined according to the scope of the claims.

Claims

1. The air lift mechanism on the unwinder is characterized by: include: A movable plate, which is arranged on the outside of the corresponding frame; an execution component connected to the movable plate and the frame, and adapted to control the movable plate to move closer to or away from the frame; A push rod, which is parallel to the axial direction of the air expansion shaft and is slidably arranged on the frame; a motor fixed to the movable plate; a screw rod connected to an output end of the motor; A screw nut, rotatably disposed at one end of the push rod and connected to the screw; When the axial position of the pneumatic shaft needs to be adjusted, the actuator drives the corresponding movable plate to approach the corresponding frame, and the push rod follows the movable plate to perform axial movement, so that the end of the push rod abuts against the pneumatic shaft. Then the motor works, and through the transmission of the screw rod and the screw nut, the corresponding push rod is adjusted to perform axial movement, thereby adjusting the axial position of the pneumatic shaft.

2. The air lift mechanism on the unwinding machine according to claim 1, characterized in that: The execution components include: The cylinder has one end connected to the movable plate and the other end connected to the frame.

3. The air lift mechanism on the unwinding machine according to claim 1, characterized in that: A guide rod parallel to the axis of the pneumatic shaft is provided on the outside of the frame; The movable plate is provided with a guide sleeve matching the guide rod.

4. The air lift mechanism on the unwinding machine according to claim 1, characterized in that: A mounting sleeve is fixedly provided on the frame; A rotating sleeve, which is rotatably arranged in the mounting sleeve via a bearing; The push rod is slidably sleeved in the rotating sleeve.

5. The air lift mechanism on the unwinding machine according to claim 1, characterized in that: The end of the push rod is provided with a positioning sleeve adapted to the end of the gas expansion shaft.

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