CN108340223A - A kind of equidistant grinding attachment of de- cotton disk component - Google Patents

Abstract

The invention discloses an equidistant grinding device for a doffer disc assembly, which solves the problems of low grinding efficiency and poor grinding quality of the doffer disc assembly, and the technical solution for solving the problem mainly includes a frame with a workbench And the motor assembly installed on the frame, the grinding roller with the grinding disc and the bearing seat for supporting the doffer disc assembly are arranged on the workbench, the axial direction of the grinding roller is consistent with the axial direction of the bearing seat, and the grinding The cutting disk extends between the adjacent doffer disks on the doffer disk assembly, the motor assembly drives the grinding roller and the doffer disk assembly to rotate, the grinding roller is provided with a slide block for supporting the grinding roller, and there is also a There are operating components and sliding rails matched with the sliders, the extending direction of the sliding rails is consistent with the axial direction of the grinding disc, and the operating components drive the sliding blocks to slide along the sliding rails. In the present invention, the slide rail limits the moving direction of the slide block, avoids the deflection of the grinding roller during the repeated axial adjustment process, and improves the grinding accuracy of the grinding roller and the service life of the whole device.

Description

Equidistant grinding device for doffer disc assembly

technical field

The invention relates to an equidistant grinding device for a doffer disc assembly.

Background technique

The spindle assembly for picking cotton in the cotton picker is an equidistant metal piece. When the cotton is wound on the spindle, it is necessary to use the doffer assembly to remove the cotton from the spindle. However, the doffer assembly is under high load for a long time. There will be a certain amount of wear and tear during work, and the different degrees of wear of the doffer discs will easily lead to unequal spacing between the doffer discs, so that it is impossible to ensure that the cotton on each picking spindle can fall off. In order to avoid replacing the doffer disc components, increase the cotton picking Generally, it is necessary to repair the doffer discs, but the efficiency and precision of the existing grinding and repair methods are low, and it is impossible to ensure that the distances between the repaired doffer discs are completely equal.

Contents of the invention

The object to be achieved by the present invention is to provide an equidistant grinding device for a doffer disc assembly, which has high grinding efficiency and grinding quality.

In order to achieve the above object, the present invention adopts the following technical solutions: an equidistant grinding device for a doffer disc assembly, comprising a frame with a workbench and a motor assembly mounted on the frame, the workbench is provided with The grinding roller of the grinding disc and the bearing seat used to support the doffer disc assembly, the axial direction of the grinding roller is consistent with the axial direction of the bearing seat, and the grinding disc extends between the adjacent doffer discs on the doffer disc assembly During the period, the motor assembly drives the grinding roller and the doffer disc assembly to rotate. The grinding roller is provided with a slider for supporting the grinding roller. The workbench is also equipped with an operating assembly and a slide rail that cooperates with the slider. The extension of the slide rail The direction is consistent with the axial direction of the grinding disc, and the operating component drives the slider to slide along the slide rail.

Further, the slide rail includes a first guide plate and a second guide plate installed on the worktable, the first guide plate, the second guide plate and the worktable form a chute for the slide block to slide, the first guide plate and the second guide plate There is a limiting part that limits the upward movement of the slider.

Further, the slider is provided with a support plate for supporting the grinding roller, the support plate is provided with a self-aligning bearing, and the grinding roller is rotatably connected to the support plate through the self-aligning bearing.

Further, the operating assembly includes a hand wheel located in front of the doffer disc assembly and a transmission rod with gears, the transmission rod and the grinding roller are arranged in an axially staggered manner, the workbench is provided with a support seat for supporting the transmission rod, and a slider A rack meshed with a gear is provided on the top.

Further, the workbench is also provided with a mounting seat for installing the doffer tray assembly, the mounting seat includes a mounting plate fixed on the workbench, and the mounting plate is provided with a top tightening column, a first fixing block and a second fixing block. block, the tightening post passes through the first and second fixed blocks and is connected to the end of the doffer assembly far away from the bearing seat, and a spring is sleeved on the top-tightening post, and the spring is located between the first and second fixed blocks and interfere with the second fixed block, and the first fixed block is provided with a locking piece for limiting the axial movement of the jacking column.

Further, the locking member includes a first locking rod and a second locking rod, the two ends of the first locking rod are respectively rotatably connected to the first fixing block and the second locking rod, and the two ends of the second locking rod One end is provided with an operating handle, and the other end is rotatably connected to the end of the tightening column away from the cotton doffer assembly.

Further, the motor assembly includes a first motor and a second motor arranged under the workbench, the first motor is connected to the end of the grinding roller away from the operating assembly, and the second motor is connected to the doffer disc assembly close to the operating assembly one end.

Further, the first motor and the grinding roller are driven by the first transmission belt, and the workbench is provided with a first installation slot for the first transmission belt to pass through; or, the second motor and the doffer disc assembly pass through the second Driven by a transmission belt, the workbench is provided with a second installation slot for the second transmission belt to pass through.

Further, the frame is provided with a guide plate for collecting the grinding residue on the doffer disc assembly, the grinding disc and the doffer disc are located above the guide plate, and the guide plate is inclined downward from front to back.

Further, the angle α between the guide plate and the horizontal plane is greater than or equal to 30°.

After adopting the technical scheme, the present invention has the following advantages:

1. The grinding disc on the grinding roller extends between the adjacent doffer discs, so that when the motor assembly drives the grinding roller and the doffer disc assembly to rotate, the grinding disc will grind the side of the doffer disc, each The grinding discs move at the same distance in the axial direction, so as to ensure that the distance between adjacent doffer discs is equal after grinding; the grinding roller is supported on the worktable by the slider, and the slider is on the axis of the grinding disc along the slide rail. Sliding adjustment, the sliding adjustment resistance is small, which is beneficial to the continuous reciprocating axial movement of the grinding roller to evenly grind the opposite surface to be ground on the adjacent doffing disc. At the same time, the sliding rail limits the moving direction of the slider, and the adjustment accuracy is high. , avoiding the deflection of the grinding roller during repeated axial adjustment, ensuring the coaxial setting of the grinding roller and the doffer disc assembly, improving the grinding accuracy of the grinding roller and the service life of the entire device.

2. The first guide plate and the second guide plate limit the movement of the slider in the front and rear directions, which not only realizes the positioning of the slider, but also facilitates the self-adjustment of the slider sliding in the chute, ensuring that the grinding roller is always adjusted during the adjustment process. It is consistent with the axial direction of the doffer disc assembly. At the same time, the limit part restricts the upward movement of the slider, avoids the upper and lower separation of the slider and the slide rail, and also avoids vibration when the grinding roller rotates.

3. The axial staggered setting of the transmission rod and the grinding roller not only makes full use of the space on the workbench, but also makes the hand wheel closer to the operator, so that the operator can observe the distance between the grinding disc and the doffing disc at the same time Operate the hand wheel to complete the axial adjustment of the grinding roller, avoiding excessive axial movement of the grinding disc and causing extrusion deformation of the doffer disc, improving the adjustment accuracy of the grinding roller and the service life of the motor; in addition, the transmission rod and The slider is connected by the gear and the rack. Not only the structure of the transmission connection is simple, the installation is convenient, but also the adjustment accuracy is high. The installation size requirements of the entire grinding device in the left and right directions are reduced.

4. One end of the doffer assembly is installed on the bearing seat first, and then the tightening column is tightened on the other end of the doffer assembly, so that the doffer assembly is supported by the support column and the bearing seat, and the top is pressed after the spring is compressed. The tightening column has a tendency to move away from the doffing disc assembly, which promotes the tightening of the locking element to achieve the axial locking of the locking column, and when the locking element is opened, the spring drives the tightening column to move away from the doffer The direction of the disc assembly is moved, so that the top tightening column is separated from the doffer disc assembly, which is convenient for the operator to quickly load and unload the doffer disc assembly.

5. The grinding roller and doffer disc assembly are driven by different motors, which is convenient to set the speed of the grinding roller and doffer disc assembly separately, which is beneficial for the grinding roller to grind doffer disc assemblies of different materials, that is, the grinding capacity is enlarged. The scope of application of the device, in addition, the first motor is located at the left end of the frame, and the second motor is located at the right end of the frame, so that the left and right sides of the entire frame are more balanced. Both the first motor and the second motor are fixed on the support legs, and the two motors are located under the workbench, which is beneficial to lower the center of gravity of the entire grinding device, avoiding the rollover of the entire grinding device due to vibration during the operation of the motor, and is stable high sex.

Description of drawings

The present invention will be further described below in conjunction with accompanying drawing:

Fig. 1 is the structural diagram of the equidistant grinding device of the doffer disc assembly in the present invention;

Fig. 2 is the front view of the equidistant grinding device of the doffer disc assembly in the present invention;

Fig. 3 is the top view of the isometric grinding device of the doffer disc assembly in the present invention (the grinding disc grinds one side of the doffer disc);

Fig. 4 is a top view of the isometric grinding device of the doffer disc assembly in the present invention (the grinding disc grinds the other side of the doffer disc).

Detailed ways

As shown in Figures 1 to 4, the present invention provides an equidistant grinding device for a doffer disc assembly, comprising a frame 1 with a workbench 11 and a motor assembly 2 mounted on the frame 1, the workbench 11 is provided with a grinding roller 3 with a grinding disc 30 and a bearing housing 5 for supporting the doffer disc assembly 4, the axial direction of the grinding roller 3 is consistent with the axial direction of the bearing housing 5, and the grinding disc 30 extends into the Between the adjacent doffer discs 40 on the doffer disc assembly 4, the motor assembly 2 drives the grinding roller 3 and the doffer disc assembly 4 to rotate, and the grinding roller 3 is provided with a slide block 8 for supporting the grinding roller 3, and the working The table 11 is also provided with an operating assembly 6 and a slide rail 7 matched with the slide block 8 , the extending direction of the slide rail 7 is consistent with the axial direction of the grinding disc 30 , and the operating assembly 6 drives the slide block 8 to slide along the slide rail 7 .

The grinding disc 30 on the grinding roller 3 stretches between the adjacent doffer discs 40, so that when the motor assembly 2 drives the grinding roller 3 and the doffer disc assembly 4 to rotate, the grinding disc 30 is opposite to the doffer disc 40. Grinding on the side, each grinding disc 30 moves the same distance in the axial direction, so as to ensure that the distance between adjacent doffer discs 40 after grinding is equal, and at the same time, the grinding rollers grind each doffer disc 40 simultaneously The grinding efficiency is high; the grinding roller 3 is supported on the worktable 11 through the slider 8, and the slider 8 is slid and adjusted in the axial direction of the grinding disc 30 along the slide rail 7, and the sliding adjustment resistance is small, which is beneficial to the grinding roller 3 Continuous reciprocating axial movement to evenly grind the opposite surface to be ground on the adjacent doffer 40, at the same time, the slide rail 7 limits the moving direction of the slider 8, and the adjustment accuracy is high, avoiding repeated axial adjustment of the grinding roller 3 The deflection during the process ensures the coaxial setting of the grinding roller 3 and the doffer disc assembly 4, improving the grinding accuracy of the grinding roller 3 and the service life of the entire device.

The slide rail 7 comprises a first guide plate 71 and a second guide plate 72 installed on the workbench 11, the first guide plate 71, the second guide plate 72 and the workbench 11 form a chute 73 for the slide block 8 to slide, on the first guide plate 71 And the second guide plate 72 is provided with a limiting portion 70 that limits the upward movement of the slider 8 . The first guide plate 71 and the second guide plate 72 limit the movement of the slider 8 in the front-back direction, which not only realizes the positioning of the slider 8, but also facilitates the sliding of the slider 8 in the chute 73 for self-adjustment, ensuring that the grinding roller 3 During the adjustment process, it is always consistent with the axial direction of the doffer disc assembly 4. At the same time, the limit part 70 restricts the upward movement of the slider 8, preventing the slider 8 from being separated from the slide rail 7 up and down, and also avoiding vibration when the grinding roller 3 rotates. The stability of the installation is high.

The slide block 8 is provided with a support plate 81 for supporting the grinding roller 3, and the support plate 81 is provided with a self-aligning bearing 82, and the grinding roller 3 is connected to the support plate 81 through the self-aligning bearing 82, so that the self-aligning bearing 82 automatically adjusts the position of the grinding roller 3 to ensure the coaxiality of the grinding roller 3 and the doffer disc assembly 4, and the grinding precision is high.

The operating assembly 6 includes a hand wheel 61 located in front of the doffer disc assembly 4 and a transmission rod 62 with a gear 621. The transmission rod 62 is arranged in an staggered manner with the axial direction of the grinding roller 3. The workbench 11 is provided with a supporting transmission rod 62 The support seat, the slider 8 is provided with a rack 82 meshed with the gear 621 . Not only the space on the workbench 11 is fully utilized, but also the hand wheel 61 is closer to the operator, so that the operator can operate the hand wheel 61 while observing the distance between the grinding disc 30 and the doffer disc 40 to complete the grinding roll 3 The axial adjustment of the grinding disc 30 avoids excessive axial movement of the grinding disc 30 and causes the doffer disc 40 to be squeezed and deformed, thereby improving the adjustment accuracy of the grinding roller 3 and the service life of the motor; in addition, the transmission rod 62 and the slider 8 pass through The gear 621 and the rack 82 are connected by transmission. Not only the structure of the transmission connection is simple, the installation is convenient, but also the adjustment accuracy is high. At the same time, during the transmission process of the gear 621 and the rack 82, the transmission rod 62 reciprocates in the vertical direction of the grinding roller 3 axis The movement reduces the installation size requirements of the entire grinding device in the left and right directions.

The workbench 11 is also provided with a mount 9 for installing the doffer assembly 4, the mount 9 includes a mount plate 91 fixed on the workbench 11, the mount plate 91 is provided with a top tightening column 92, a first fixed block 93 And the second fixing block 94, the tightening column 92 passes through the first fixing block 93 and the second fixing block 94 and is connected to the end of the cotton doffer assembly 4 away from the bearing seat 5, and the tightening column 92 is sleeved with a spring 95, The spring 95 is located between the first fixing block 93 and the second fixing block 94 and is in contact with the second fixing block 94 . The first fixing block 93 is provided with a locking member 96 for restricting the axial movement of the tightening column 92 . One end of the doffer assembly 4 is installed on the bearing seat 5 first, and then the tightening column 92 is tightened on the other end of the doffer assembly 4, so that the doffer assembly 4 is supported by the support column 92 and the bearing seat 5, After the spring 95 is compressed, the tightening column 92 has a tendency to move away from the cotton doffer assembly 4, and promotes the tightening column 92 to tighten the locking member 96 to realize the axial locking of the tightening column 92. When the locking member 96 After opening, the spring 95 drives the tightening column 92 to move away from the doffer tray assembly 4, so that the tightening column 92 is separated from the doffer tray assembly 4, which is convenient for the operator to quickly load and unload the doffer tray assembly 4.

The locking member 96 includes a first locking lever 961 and a second locking lever 962, the two ends of the first locking lever 961 are respectively rotatably connected to the first fixing block 93 and the second locking lever 962, the second locking One end of the tightening rod 962 is provided with an operating handle 963 , and the other end is rotatably connected to the end of the tightening column 92 away from the cotton doffer assembly 4 . When the first locking lever 961 and the second locking lever 962 are on the same line, the distance that the tightening column 92 moves to the doffer tray assembly 4 is the largest, to ensure that the tightening column 92 presses the doffer tray assembly 4 tightly, and the operating handle 963 is pulled Afterwards, the first locking rod 961 and the second locking rod 962 are staggered, the locking member 96 is unlocked, and the tightening column 92 is moved away from the doffer tray assembly 4 under the elastic force of the spring 95, which promotes the contact between the tightening column 92 and the cotton doffer assembly 4. The doffer disc assembly 4 is separated.

The motor assembly 2 includes a first motor 21 and a second motor 22 arranged under the workbench 11. The first motor 21 is connected to the end of the grinding roller 3 away from the operating assembly 6. The second motor 22 is connected to the doffer disc assembly. 4 is connected to the end of the bearing seat 5, and the bearing seat 5 is close to the operating assembly 6 relative to the mounting seat 9. Grinding roller 3 and doffer disk assembly 4 are respectively driven by different motors, which is convenient to control the rotating speeds of grinding roller 3 and doffer disk assembly 4 respectively, and is beneficial to grinding roller 3 to grind doffer disk assemblies 4 of different materials, namely The scope of application of the grinding device is expanded. In addition, the first motor 21 is located at the left end of the frame 1, and the second motor 22 is located at the right end of the frame 1, so that the left and right sides of the entire frame 1 are more balanced. At the same time, the frame 1 also includes Set on the support leg 12 below the workbench 11, the first motor 21 and the second motor 22 are fixed on the support leg 12, and the two motors are located below the workbench 11, which is beneficial to lower the center of gravity of the entire grinding device and avoid the entire The grinding device rolls over due to vibration during the operation of the motor, and has high stability.

The first motor 21 and the grinding roller 3 are driven by the first transmission belt, and the workbench 11 is provided with a first installation groove 111 for the first transmission belt to pass through; the second motor 22 and the doffer disc assembly 4 are driven by the second transmission belt, The workbench 11 is provided with a second installation slot 112 through which the second transmission belt passes. The stability of the belt transmission is high, which reduces the vibration during the transmission process. At the same time, the belt transmission has the function of overload protection, preventing the grinding disc 30 from squeezing the doffer disc in large quantities when the grinding roller 3 or the doffer disc assembly 4 is not installed properly. , the first transmission belt and the second transmission belt pass through the first installation groove 111 and the second installation groove 112 respectively, which not only reduces the size of the entire grinding device in the left and right directions, but also makes full use of the idle space inside the frame 1, making the grinding machine The cutting device has a more compact structure, and avoids safety accidents caused by pulleys and belts being located outside the frame 1. Meanwhile, the first installation groove 111 and the second installation groove 112 also promote the installation and positioning of the bearing seat 5 and the slide rail 7.

The frame 1 is provided with a guide plate 110 for collecting the grinding residue on the doffer disc assembly 4 , the grinding disc 30 and the doffer disc 40 are located above the guide plate 110 , and the guide plate 110 is inclined downward from front to back. Therefore, a trash can is placed behind the grinding device, and the grinding residue moves backward into the trash can, thereby realizing automatic cleaning of the grinding residue and reducing the workload of operators. In this embodiment, the angle α between the guide plate 110 and the horizontal plane is greater than or equal to 30°, so that the sliding force on the grinding residue is greater than the maximum static friction force, ensuring the smooth downward movement of the grinding residue along the guide plate 110 .

Except above-mentioned preferred embodiment, the present invention also has other embodiments, and those skilled in the art can make various changes and deformations according to the present invention, as long as they do not depart from the spirit of the present invention, all should belong to the scope defined in the appended claims of the present invention scope.

Claims (10)

1. a kind of equidistant grinding attachment of de- cotton disk component, which is characterized in that include rack with workbench and be installed on machine Electric machine assembly on frame, the workbench are equipped with the grinding-roller with grinding disc and are used to support the bearing of de- cotton disk component Seat, the axial direction of grinding-roller and the axial direction of bearing block are consistent, and grinding disc stretches between de- cotton disk adjacent on de- cotton disk component, motor Component driver grinding-roller and the rotation of de- cotton disk component, grinding-roller are equipped with the sliding block for being used to support grinding-roller, are additionally provided on workbench Operating assembly and the sliding rail coordinated with sliding block, the extending direction of sliding rail and axial consistent, the operating assembly driving sliding block of grinding disc It is slided along sliding rail.

2. the equidistant grinding attachment of de- cotton disk component according to claim 1, which is characterized in that the sliding rail includes installation In the first guide plate and the second guide plate on workbench, the first guide plate, the second guide plate and workbench form the sliding slot slided for sliding block, On first guide plate and the second guide plate is equipped with the limiting section that limitation sliding block moves up.

3. the equidistant grinding attachment of de- cotton disk component according to claim 2, which is characterized in that the sliding block, which is equipped with, to be used In the support plate of support grinding roller, support plate is equipped with self-aligning bearing, and grinding-roller is rotationally connected with support plate by self-aligning bearing.

4. the equidistant grinding attachment of de- cotton disk component according to claim 1, which is characterized in that the operating assembly includes Handwheel in front of de- cotton disk component and the cogged drive link of tool, the axially staggered setting of drive link and grinding-roller, work Platform is equipped with the support base of support drive link, and sliding block is equipped with the rack engaged with gear.

5. the equidistant grinding attachment of de- cotton disk component according to claim 1, which is characterized in that also set on the workbench It is useful for that the mounting base of de- cotton disk component is installed, mounting base includes the mounting plate being fixed on workbench, and mounting plate is equipped with top Tight column, the first fixed block and the second fixed block, it is remote on the first fixed block and the second fixed block and de- cotton disk component to hold out against column One end connection of off-axis bearing, holds out against and is arranged with spring on column, spring is between the first fixed block and the second fixed block and supports It touches on the second fixed block, the first fixed block is equipped with for limiting the locking member for holding out against column axial movement.

6. the equidistant grinding attachment of de- cotton disk component according to claim 5, which is characterized in that the locking member includes the The both ends of one check lock lever and the second check lock lever, the first check lock lever are rotationally connected with the first fixed block and the second check lock lever respectively, the One end of two check lock levers is equipped with operation handle, the other end is rotationally connected with and holds out against the one end of column far from de- cotton disk component.

7. the equidistant grinding attachment of the de- cotton disk component according to claim 1 to 6 any one, which is characterized in that described Electric machine assembly includes the first motor and the second motor being set to below workbench, and first motor is sequentially connected in grinding-roller far from behaviour Make one end of component, the second motor drive is connected to de- cotton disk component close to one end of operating assembly.

8. the equidistant grinding attachment of de- cotton disk component according to claim 7, which is characterized in that the first motor and mill Roller is cut by the first transmission V belt translation, workbench is equipped with the first mounting groove passed through for the first transmission belt；Alternatively, described second By the second transmission V belt translation, workbench is equipped with the second mounting groove passed through for the second transmission belt for motor and de- cotton disk component.

9. the equidistant grinding attachment of the de- cotton disk component according to claim 1 to 6 any one, which is characterized in that described Rack is equipped with the guide plate for collecting the grinding residue on de- cotton disk component, and grinding disc and de- cotton disk are located at the upper of guide plate Side, guide plate tilt down from front to back.

10. the equidistant grinding attachment of de- cotton disk component according to claim 9, which is characterized in that the guide plate and water Angle α between plane is greater than or equal to 30 °.