Roller-type dressing mechanism

Abstract

The present invention discloses a roller trimming mechanism that can trim the roller surface and end surface of a rubber roller, particularly meeting the processing needs of large rubber rollers, special-shaped rubber rollers, or rubber rollers that do not require secondary processing but have special process requirements. The cut rubber can also be reused for rubber coating operations, greatly saving raw materials. The mechanism includes a bracket, a screw transmission device, a connecting frame, a linear guide, a gear transmission structure, a gear reducer, a slide plate, a replaceable circular / square hot knife device, and a crank slider structure connecting rod. The bracket is used to support and fix the trimming mechanism. The slide plate is connected to the connecting frame via a linear guide and is driven by the screw transmission device to perform feed motion. The replaceable hot knife device is used to adjust the tool position and different tools can be selected according to needs. The crank slider structure design can be used to rotate the gear reducer handwheel to rotate and fold the device to a position perpendicular to the ground when the mechanism is not in use, thereby saving space to the maximum extent and ensuring safety.

Description

Technical Field

[0001] The invention relates to the technical field of rubber roller manufacturing, in particular to a trimming mechanism capable of trimming the roller shape of a rubber roller. Background Art

[0002] In recent years, with the development of economy and technology, rubber products have been applied in more and more fields due to their high strength and elasticity, excellent wear resistance, oil resistance, hydrolysis resistance, solvent resistance and other advantages. At the same time, the demand for large rubber rollers, special-shaped rubber rollers and rubber rollers with special process requirements is also increasing. For example, the large-tonnage fender rubber rollers currently used in some docks have a diameter of 4 or 5 meters. The characteristics of this type of rubber roller are large diameter, thick rubber layer, and the need to install matching fender flanges and brackets on the end face of the rubber roller to ensure the flatness of the end face of the rubber roller, but the requirements for the surface roughness of the rubber roller are not high. There is no need for grinding and polishing procedures after vulcanization of the rubber roller. In addition, the subsequent grinding and polishing equipment for large-diameter rubber rollers is expensive and difficult to process. Therefore, it is best to directly install the matching parts for use after vulcanization of the fender rubber rollers. On the other hand, large rubber rollers and special-shaped rubber rollers have thick rubber layers, large amounts of rubber, and diverse surface shapes. If they are reshaped and removed after vulcanization, the vulcanized rubber cannot be used anymore, resulting in a waste of rubber. At this time, a mechanism is needed to shape the rubber roller after winding and coating and before vulcanization, which can meet the special processing technology while saving rubber materials to the maximum extent. Summary of the Invention

[0003] In order to solve this demand and problem, the present invention discloses a roller trimming mechanism, which can be installed at a suitable position of a rubber roller winding and coating machine to trim the rubber roller after coating. It is particularly suitable for the production of large rubber rollers, special-shaped rubber rollers and rubber rollers that do not require secondary processing and have special process requirements.

[0004] The present invention is achieved through the following technical solutions:

[0005] The present invention proposes a roller-type trimming mechanism, which includes a bracket, a connecting frame and a first driving device provided on the bracket, and the first driving device drives the connecting frame to rotate in a vertical plane relative to the bracket; a slide plate and a second driving device are provided on the connecting frame, and the second driving device drives the slide plate to perform linear motion along the length direction of the connecting frame, and a circular or square hot knife device is installed at one end of the slide plate, and the circular or square hot knife device includes a hot knife swinging frame, a hot knife fixing block and a circular or square hot knife, and the hot knife swinging frame is installed at the end of the slide plate and can swing along the width direction of the slide plate, and the hot knife fixing block is installed on the hot knife swinging frame for fixing the circular or square hot knife.

[0006] As a further technical solution, the circular or square hot knife device further comprises a slide seat, a slide groove is provided vertically on the hot knife swing frame along the height direction of the slide plate, and the slide seat is mounted on the slide groove.

[0007] As a further technical solution, an arc-shaped groove is provided on the top of the hot knife swing frame, and the arc-shaped groove is connected to the top of the slide plate.

[0008] As a further technical solution, an insulating member is provided between the hot knife fixing block and the circular or square hot knife.

[0009] As a further technical solution, a slide groove is also provided on the hot knife fixing block, and the slide groove is connected to the slide plate through a connecting piece.

[0010] As a further technical solution, it also includes a crank slider structure connecting rod, a slide groove is provided on the bracket along the height direction of the bracket, one end of the crank slider structure connecting rod is slidingly connected to the slide groove, and the other end is rotationally connected to the connecting frame.

[0011] As a further technical solution, the first driving device includes a motor or a handle and a gear transmission device. The motor or the handle is fixed on the bracket and drives the connecting frame to rotate through the gear transmission device.

[0012] As a further technical solution, the second driving device includes a motor or a handle and a screw transmission device. The motor or the handle is fixed on the connecting frame and drives the slide plate to slide through the screw transmission device.

[0013] The working principle of the present invention is that after the rubber coating is completed, the rubber roller is reshaped according to its specific process and shape requirements using a roller shaping mechanism. During shaping, a replaceable circular / square hot knife device, driven by a screw drive, can feed along the radial direction of the rubber roller. The unique structure of the replaceable circular / square hot knife device allows the hot knife to be adjusted left and right, up and down, and rotated a certain angle around the axis of the rotatable hot knife fixing block. This allows different hot knives to be adjusted to different positions according to requirements to meet the processing and shaping requirements of rubber rollers with different shapes and different process requirements. After the shaping is completed, the roller shaping mechanism can be rotated to be perpendicular to the ground by rotating the gear reducer handwheel to maximize space saving and ensure safety.

[0014] The beneficial effects of the present invention are:

[0015] The present invention is a roller trimming mechanism, which can trim the end face and roller surface of a rubber roller after winding is completed and before vulcanization, meeting the processing needs of large rubber rollers, special-shaped rubber rollers, especially rubber rollers that do not require secondary processing, are not easy to be secondary processed and have special process requirements. The cut rubber material can also be reused and coated again, which greatly saves raw materials. The overall structure is simple and easy to operate, and it also saves manpower to the greatest extent, reducing costs and floor space. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention, the following is a brief introduction to the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative labor.

[0017] Figure 1 、 Figure 2 It is a schematic diagram of the structure of the roller dressing mechanism;

[0018] Figure 3 It is a partial cross-sectional view of the roller type dressing mechanism;

[0019] In the figure: 1. Interchangeable round / square hot knife device, 1-1. Square hot knife, 1-1A. Round hot knife, 1-2. Square hot knife clamp, 1-2A. Round hot knife clamp, 1-3. Square hot knife holder, 1-3A. Round hot knife holder, 1-4. Hot knife insulating plate, 1-5. Rotatable hot knife fixing block, 1-6. Slide, 1-7. Hot knife swing frame, 2. Slide plate, 3. Screw housing, 4. Bearing seat, 5. Screw, 6. Screw nut, 7. Screw drive device, 8. Crank slider structure connecting rod, 9. Slide, 10. Bracket, 11. Schematic diagram of rubber roller, 12. Gear reducer, 13. Driven gear, 14. Connecting frame, 15. Linear guide, 16. Driving gear. DETAILED DESCRIPTION

[0020] To make the objectives, technical solutions, and advantages of the embodiments of the present invention more clear, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings of the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. All other embodiments obtained by ordinary technicians in this field based on the embodiments of the present invention without making any creative efforts shall fall within the scope of protection of the present invention.

[0021] In order to solve the problems existing in the prior art, the present embodiment proposes a roller trimming mechanism, including a bracket, a screw transmission device, a screw cover, a connecting frame, a linear guide rail, a pair of gear transmission structures, a gear reducer, a slide plate, a replaceable circular / square hot knife device and a crank slider structure connecting rod. The bracket is used to support the entire roller trimming mechanism and is fixed to a suitable position of the winding and coating machine through a threaded connection. A screw drive motor and a reducer are installed at one end of the connecting frame. The slide plate is connected to the connecting frame through a linear guide rail and performs feeding movement under the drive of the screw transmission device. The screw cover is used to protect the screw transmission device installed on the other side of the slide plate; the replaceable circular / square hot knife device is installed at one end of the slide plate structure. The position of the hot knife can be adjusted left and right, up and down, and rotated to a certain angle according to the requirements of the rubber roller core. At the same time, a circular hot knife or a square hot knife can be installed according to needs. Professional hot knives can be quickly added The rubber is cut by heating it to the required temperature. The edges of the cut material are smooth, not loose, and not prone to burring. The incision lines are fused, clean, and free of scorch marks, meeting the special process requirements of the subsequent installation of other components on some rubber rollers. The cut rubber can also be used for coating. The gear reducer is installed and fixed on the bracket, and the driven gear of the gear transmission structure is connected to the bracket through a bearing. The driven gear is fixed to the connecting frame through a thread, and the crank slider structure connecting rod is respectively connected to the connecting frame and the bracket to form a crank slider structure. In this way, the connecting frame and the skateboard connected to the connecting frame and the replaceable round / square hot knife device can be driven to rotate by rotating the handwheel installed on the gear reducer. When the hot knife is not in use, the skateboard is retracted under the drive of the screw transmission device, and the connecting frame is rotated 90° by rotating the handwheel to form a structure vertical to the ground, which saves floor space to the maximum extent, ensures safety, and facilitates the coating operation.

[0022] The structure disclosed in this embodiment is described below with reference to the accompanying drawings:

[0023] like Figure 1 、 Figure 2 、 Figure 3As shown, the roller shape trimming mechanism disclosed in the present invention includes a replaceable circular / square hot knife device 1, a slide plate 2, a screw cover 3, a bearing seat 4, a screw 5, a screw nut 6, a screw drive 7, a crank slider structure connecting rod 8, a slide 9, a bracket 10, a rubber roller schematic 11, a gear reducer 12, a driven gear 13, a connecting frame 14, a linear guide 15, a driving gear 16, etc. The bracket 10 is used to support and fix the entire roller shape trimming mechanism and is fixed to a suitable position of the winding and coating machine through a threaded connection. The gear reducer 12 is fixed to the bracket 10 by screws, and a driving gear 16 is installed on the output shaft of the gear reducer 12. The driven gear 13 is connected to the bracket 10 through a bearing and is fixed to the connecting frame 14 by screws. The driving gear 16 is engaged with the driven gear 13, so that the connecting frame 14 can be driven to rotate by rotating the handwheel (handle) on the gear reducer 12. Furthermore, the handwheel here can also be replaced by a motor.

[0024] Furthermore, a screw drive device 7 is installed at one end of the connecting frame 14, and the skateboard 2 is connected to the connecting frame 14 through a linear guide rail 15. A screw transmission device such as a screw 5, a screw nut 6, and a bearing seat 4 is installed on the other side of the skateboard 2, and the screw transmission device is connected to the screw drive device 7; a circular / square hot knife device 1 is installed at the end of the skateboard 2, and the skateboard 2 drives the replaceable circular / square hot knife device 1 to perform feeding motion under the drive of the screw transmission device; further, the screw drive device 7 can be a handle or a servo motor, and a handle is preferably used.

[0025] Furthermore, the circular / square hot knife device 1 can adjust the position of the hot knife left and right, up and down, and rotate a certain angle according to the requirements of different rubber rollers 11, and can also choose to install a circular hot knife or a square hot knife according to needs; the screw cover 3 is used to protect the screw transmission device; the crank slider structure connecting rod 8 is respectively connected to the connecting frame 14 and the slide groove 9 on the bracket 10 to form a crank slider structure, so that when the roller type trimming mechanism is not used, this structure can be rotated to a state perpendicular to the ground by rotating the handwheel installed on the gear reducer 12, thereby saving floor space to the maximum extent and ensuring safety.

[0026] Furthermore, the replaceable circular / square hot knife device 1 disclosed in this embodiment includes a square hot knife 1-1, a circular hot knife 1-1A, a square hot knife clamp 1-2, a circular hot knife clamp 1-2A, a square hot knife holder 1-3, a circular hot knife holder 1-3A, a hot knife insulating plate 1-4, a rotatable hot knife fixing block 1-5, a slide 1-6, and a hot knife swinging frame 1-7; the hot knife swinging frame 1-7 is installed on the skateboard 2, and a 180-degree circular groove is opened on the top of the hot knife swinging frame 1-7. The circular groove cooperates with the guide member on the top of the skateboard, so that the hot knife swinging frame 1-7 can be rotated 90° left and right relative to the skateboard 2, which is convenient for adjusting the position of the hot knife according to needs; the front end of the hot knife swinging frame 1-7 is opened with a slide groove and a long hole in the vertical direction for installing the slide 1-6, so that the slide 1-6 moves up and down along the slide groove, thereby adjusting the position of the slide 1-6. The rotatable hot knife fixing block 1-5 is mounted on the slide 1-6. A circular groove is also formed in the fixing block 1-5, which is connected to a threaded hole in the slide 6 via a bolt. This allows the upper fixing block 1-5 to rotate relative to the slide 1-6 by a certain angle to adjust the relative angle between the hot knife and the rubber roller 11. The square hot knife holder 1-3 or the circular hot knife holder 1-3A can be mounted and fixed to the rotatable hot knife fixing block 1-5 via a threaded connection. Furthermore, because the hot knife is electrically heated, a hot knife insulating plate 1-4 is used to insulate the connection.

[0027] Furthermore, the square hot knife clamp 1-2 is fixed on the square hot knife holder 1-3; the round hot knife clamp 1-2A is fixed on the round hot knife holder 1-3A; the square hot knife clamp 1-2 and the round hot knife clamp 1-2A are used to fix the square hot knife 1-1 and the round hot knife 1-1A respectively, which is convenient for users to choose to install hot knives of different shapes according to the processing shape and processing position. The rubber material cut by the hot knife can also be reused for coating, which meets the requirements of the rubber roller processing technology while greatly saving raw materials.

[0028] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present invention, rather than to limit it. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art should understand that they can still modify the technical solutions described in the aforementioned embodiments, or make equivalent replacements for some of the technical features therein. However, these modifications or replacements do not deviate the essence of the corresponding technical solutions from the spirit and scope of the technical solutions of the various embodiments of the present invention.

Claims

1. A roller trimming mechanism, comprising a bracket, characterized in that: A connecting frame and a first driving device are provided on the bracket, and the first driving device drives the connecting frame to rotate relative to the bracket in a vertical plane; a slide plate and a second driving device are provided on the connecting frame, and the second driving device drives the slide plate to perform linear motion along the length direction of the connecting frame; a circular or square hot knife device is installed at one end of the slide plate, and the circular or square hot knife device includes a hot knife swinging frame, a rotatable hot knife fixing block and a circular or square hot knife; the hot knife swinging frame is installed at the end of the slide plate and can swing along the width direction of the slide plate; the rotatable hot knife fixing block is installed on the hot knife swinging frame for fixing the circular or square hot knife; The circular or square hot knife device further comprises a slide seat, a slide groove is provided in the vertical direction of the hot knife swing frame along the height direction of the slide plate, the slide seat is mounted on the slide groove, and the rotatable hot knife fixing block is connected to the slide seat; There is a 180-degree circular groove on the top of the hot knife swing frame, which cooperates with the guide piece on the top of the slide, so that the hot knife swing frame can rotate 90 degrees left and right relative to the slide; The rotatable hot knife fixing block is also provided with a circular groove, which is connected to the threaded hole on the slide seat through a bolt, so that the rotatable hot knife fixing block can rotate at a certain angle relative to the slide seat.

2. The roller trimming mechanism according to claim 1, wherein: An insulating piece is also provided between the rotatable hot knife fixing block and the circular or square hot knife.

3. The roller trimming mechanism according to claim 1, wherein: It also includes a crank slider structure connecting rod, a slide groove is provided on the bracket along the height direction of the bracket, one end of the crank slider structure connecting rod is slidably connected to the slide groove, and the other end is rotatably connected to the connecting frame.

4. The roller trimming mechanism according to claim 1, wherein: The first driving device includes a handle, a reducer and a gear transmission device. The handle is connected to the reducer, and the reducer drives the connecting frame to rotate through the gear transmission device.

5. The roller trimming mechanism according to claim 4, wherein: The handle is replaced by a motor.

6. The roller trimming mechanism according to claim 1, wherein: The second driving device includes a handle and a screw transmission device. The handle is fixed on the connecting frame and drives the slide plate to slide through the screw transmission device.

7. The roller trimming mechanism according to claim 6, wherein: The handle is replaced by a motor.

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