A filter cloth slitting device

Abstract

The utility model discloses a filter cloth slitting device, including frame, be provided with workbench surface on the frame, be provided with support seat on the workbench surface, be provided with main shaft of rotation and installation on the support seat, be provided with the circular blade of interval setting and fixed installation on the main shaft, be provided with the drive motor of drive installation main shaft rotation on the frame, be provided with a plurality of interval setting tool holder on the workbench surface, and the circular blade one -to -one corresponding cooperation is formed the conveying channel that filter cloth strip passed after convenient cutting between tool holder and tool holder, install the auxiliary pressure device for assisting pressure filter cloth strip on the workbench surface downstream of conveying channel, still be provided with the whetstone device for whetting circular blade on the workbench surface, and this filter cloth slitting device can whet the blade conveniently, and press the filter cloth strip after the division simultaneously, thereby reduce the error when drawing.

Description

Technical Field

[0001] This utility model relates to the field of filter cloth cutting technology, and in particular to a filter cloth cutting strip device. Background Technology

[0002] Filter cloth is generally non-woven fabric, made by laying filter fibers on a base fabric, then needle-punching it, followed by post-processing to form the filter cloth, which is then rolled up. The rolled filter cloth is then slit into filter bags of a specified width on a slitting machine for easy production of filter bags for baghouse dust collectors. The bag opening of a baghouse dust collector filter bag usually needs to be wrapped with a steel ring for easy subsequent installation. In contrast, the opening of a filter belt is typically made by wrapping a narrow strip of filter cloth around a steel ring and then sewing it in. Therefore, the filter cloth strip requires a separate cutting device for slitting. Current cutting devices include a worktable with a motor-driven spindle and blades. These rotating blades slit the filter cloth passing below. However, the blades tend to dull after prolonged use. Furthermore, after being cut by the blades, the filter cloth strip is pulled by a traction device. There is a height difference between the cut and the traction device, causing the strip to suspend in mid-air after cutting. This affects the traction effect and may lead to cutting errors. Utility Model Content

[0003] The technical problem to be solved by this utility model is to provide a filter cloth cutting device that can facilitate the sharpening of the blades and at the same time help to press down the cut filter cloth strips, thereby reducing the error generated during traction.

[0004] To solve the above-mentioned technical problems, the technical solution of this utility model is: a filter cloth cutting device, including a frame, a worktable on the frame, a support base on the worktable, a main shaft rotatably mounted on the support base, and spaced-apart circular blades fixedly mounted on the main shaft. A drive motor for driving the main shaft to rotate is mounted on the frame. A plurality of spaced-apart blade holders are arranged on the worktable, each blade holder corresponding to one of the circular blades. A conveying channel is formed between the blade holders to facilitate the passage of the cut filter cloth strips. An auxiliary pressing device for pressing the filter cloth strips is installed downstream of the conveying channel on the worktable. A sharpening device for sharpening the circular blades is also provided on the worktable.

[0005] As a preferred embodiment, the sharpening device includes a sharpening bracket fixedly mounted on the worktable. A mounting shaft is horizontally arranged on the sharpening bracket and is parallel to the main shaft. A sharpening sleeve is rotatably mounted on the mounting shaft and slides axially on the mounting shaft. A sharpening stone is fixedly mounted on the sharpening sleeve. An operating lever is also provided on the sharpening sleeve. Operating the operating lever causes the sharpening sleeve to slide and deflect, so that the sharpening stone contacts the cutting edge of any circular blade for sharpening.

[0006] As a preferred embodiment, the sharpening sleeve is provided with a blade shank, the length direction of the blade shank is perpendicular to the axial direction of the sharpening sleeve, the sharpening stone is provided at the end of the blade shaft, the blade shaft is arranged parallel to the mounting shaft, and the blade shaft and the blade shank are detachably fixed together.

[0007] As a preferred embodiment, the tool holder is provided with a horizontally penetrating mounting hole, and the end of the tool holder is provided with an axial locking hole that communicates with the mounting hole. The tool shaft passes through the mounting hole, and a locking bolt for tightening the tool shaft is installed in the axial locking hole.

[0008] As a preferred embodiment, the diameter of the whetstone is larger than the diameter of the blade shaft, and both ends of the whetstone are provided with a sharpening area.

[0009] As a preferred embodiment, the auxiliary pressure device includes an auxiliary pressure bracket fixed on the workbench, an auxiliary pressure rod deflectedly mounted on the auxiliary pressure bracket, and the auxiliary pressure rod contacts the workbench to assist in pressing the filter cloth strip.

[0010] As a preferred embodiment, the auxiliary pressure bracket and the grinding tool bracket are the same bracket, the operating rod is provided with a mounting sleeve, and the auxiliary pressure rod passes through the mounting sleeve and is horizontally arranged.

[0011] As a preferred embodiment, the blade holder is inclined, with its upstream end close to and cooperating with the corresponding circular blade to cut strips.

[0012] As a preferred embodiment, the worktable is also fixed with a protective cover that covers the spindle and the circular blade.

[0013] After adopting the above technical solution, the effect of this utility model is as follows: A filter cloth cutting device includes a frame, a worktable on the frame, a support on the worktable, a main shaft rotatably mounted on the support, and spaced-apart circular blades fixedly mounted on the main shaft. A drive motor for driving the main shaft to rotate is mounted on the frame. Several spaced-apart blade holders are provided on the worktable, and each blade holder corresponds to one of the circular blades. A conveying channel is formed between the blade holders to facilitate the passage of the cut filter cloth strips. An auxiliary pressing device for pressing the filter cloth strips is installed downstream of the conveying channel on the worktable. A sharpening device for sharpening the circular blades is also provided on the worktable. Therefore, the sharpening device can contact the cutting edge of the circular blades for sharpening, thus sharpening the blades when they become dull after long-term use. Meanwhile, the auxiliary pressure device can help press down the filter cloth strips, so that the filter cloth strips after being cut can be limited by the auxiliary pressure, preventing the filter cloth strips from being suspended in the air, thereby reducing the interference of subsequent filter cloth strip traction and ensuring the cutting accuracy.

[0014] Furthermore, the sharpening device includes a sharpening bracket fixedly installed on the worktable. A mounting shaft is horizontally arranged on the sharpening bracket, and the mounting shaft is parallel to the main shaft. A sharpening sleeve is rotatably installed on the mounting shaft, and the sharpening sleeve slides axially on the mounting shaft. A sharpening stone is fixedly installed on the sharpening sleeve, and an operating lever is also installed on the sharpening sleeve. Operating the operating lever causes the sharpening sleeve to slide and deflect, so that the sharpening stone contacts the cutting edge of any circular blade for sharpening. Therefore, when sharpening is needed, operating the operating lever causes the sharpening sleeve to deflect and move axially, so that the sharpening stone contacts the cutting edge, and the circular blade rotates, thus all the cutting edges are sharpened, completing the sharpening operation.

[0015] Furthermore, the sharpening sleeve is equipped with a blade shank, the length of which is perpendicular to the axial direction of the sharpening sleeve. The sharpening stone is located at the end of the blade shaft, which is parallel to the mounting shaft. The blade shaft and the blade shank are detachably fixed together. The blade shank has a horizontally penetrating mounting hole, and its end has an axial locking hole that communicates with the mounting hole. The blade shaft passes through the mounting hole, and a locking bolt is threaded into the axial locking hole to tighten the blade shaft. Therefore, the blade shaft can be locked or replaced using the locking bolt, facilitating the replacement of the sharpening stone.

[0016] Furthermore, since the diameter of the whetstone is larger than the diameter of the blade shaft, and both ends of the whetstone are provided with a sharpening area, the two ends of the whetstone can easily contact the two sides of the cutting edge for sharpening.

[0017] Furthermore, since the auxiliary pressure bracket and the sharpening bracket are the same bracket, and the operating rod is provided with a mounting sleeve, the auxiliary pressure rod passes through the mounting sleeve and is horizontally positioned. The blade holder is inclined, and the upstream end of the blade holder is close to and cooperates with the corresponding circular blade for cutting strips. Therefore, when sharpening is required, the auxiliary pressure rod can be pulled out, which makes it easier to hold the operating rod. When sharpening is not required, the auxiliary pressure rod can be directly inserted. Due to its long length and its own weight, the auxiliary pressure rod can press down on the filter cloth strips. Attached Figure Description

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

[0019] Figure 1 This is a structural schematic diagram of an embodiment of the present utility model;

[0020] Figure 2 This is a schematic diagram of the structure of an embodiment of the present invention, omitting the protective cover;

[0021] Figure 3 yes Figure 2 Schematic diagram of the structure at point A;

[0022] In the attached diagram: 1. Frame; 2. Worktable; 3. Support base; 4. Spindle; 5. Circular blade; 6. Drive motor; 7. Tool holder; 8. Conveyor channel; 9. Grinding bracket; 10. Mounting shaft; 11. Grinding sleeve; 12. Grinding stone; 13. Operating lever; 14. Tool holder; 15. Tool shaft; 16. Axial locking hole; 17. Grinding area; 18. Auxiliary pressure rod; 19. Mounting sleeve; 20. Protective cover. Detailed Implementation

[0023] The present invention will be further described in detail below through specific embodiments.

[0024] like Figure 1-3 As shown, a filter cloth cutting device includes a frame 1, a worktable 2 on the frame 1, a support base 3 on the worktable 2, a main shaft 4 rotatably mounted on the support base 3, and circular blades 5 fixedly mounted on the main shaft 4 at intervals. A drive motor 6 is provided on the frame 1 to drive the rotation of the main shaft 4. A plurality of blade holders 7 are provided on the worktable 2 at intervals, and each blade holder 7 corresponds to one of the circular blades 5. A conveying channel 8 is formed between the blade holders 7 to facilitate the passage of the cut filter cloth strips. An auxiliary pressing device for pressing the filter cloth strips is installed on the worktable 2 downstream of the conveying channel 8. A sharpening device for sharpening the circular blades 5 is also provided on the worktable 2.

[0025] In this embodiment, the sharpening device includes a sharpening bracket 9 fixedly mounted on the worktable 2. A mounting shaft 10 is horizontally mounted on the sharpening bracket 9, parallel to the main shaft 4. A sharpening sleeve 11 is rotatably mounted on the mounting shaft 10 and slides axially on the mounting shaft 10. A sharpening stone 12 is fixedly mounted on the sharpening sleeve 11. An operating lever 13 is also mounted on the sharpening sleeve 11. Operating the operating lever 13 causes the sharpening sleeve 11 to slide and deflect, bringing the sharpening stone 12 into contact with the cutting edge of any circular blade 5 for sharpening. The diameter of the sharpening stone 12 is larger than the diameter of the blade shaft 15. Sharpening areas 17 are provided at both ends of the sharpening stone 12. A blade shank 14 is mounted on the sharpening sleeve 11, with its length direction perpendicular to the axial direction of the sharpening sleeve 11. The sharpening stone 12 is located at the end of the blade shaft 15, which is parallel to the mounting shaft 10. The blade shaft 15 and the blade shank 14 are detachably fixed together. The tool holder 14 is provided with a horizontal through mounting hole, and the end of the tool holder 14 is provided with an axial locking hole 16 that communicates with the mounting hole. The tool shaft 15 passes through the mounting hole, and a locking bolt for tightening the tool shaft 15 is installed in the axial locking hole 16.

[0026] The auxiliary pressure device includes an auxiliary pressure bracket fixed on the worktable 2. An auxiliary pressure rod 18 is deflected and mounted on the auxiliary pressure bracket. The auxiliary pressure rod 18 contacts the worktable 2 to assist in pressing the filter cloth strip. In this embodiment, the auxiliary pressure bracket and the grinding blade bracket 9 are the same bracket. The operating lever 13 is provided with a mounting sleeve 19, and the auxiliary pressure rod 18 passes through the mounting sleeve 19 and is horizontally arranged. A protective cover 20 covering the main shaft 4 and the circular blade 5 is also fixed on the worktable 2. The blade holder 7 is inclined, and the upstream end of the blade holder 7 is close to the corresponding circular blade 5 and cooperates to cut strips.

[0027] When sharpening is needed, pull out the auxiliary pressure rod 18, hold the operating rod 13, and the operating rod 13 will cause the sharpening sleeve 11 to slide and deflect, while simultaneously moving axially, so that the sharpening stone 12 contacts the cutting edge of the circular blade 5 for sharpening. The circular blade 5 rotates, and all the cutting edges are sharpened in the sharpening area 17, thus completing the sharpening operation. This allows for timely sharpening when the circular blade 5 becomes dull after prolonged use. When sharpening is not needed, insert the auxiliary pressure rod 18. Because the auxiliary pressure rod 18 is long and has a certain weight, it can hold down the filter cloth strips to ensure cutting accuracy.

[0028] The motor and other actuators, gear transmission mechanisms, and lead screw and nut mechanisms mentioned in this embodiment are all conventional technologies. The specific structure, principle, and other designs of the motor and other transmission mechanisms are disclosed in detail in the 28th printing of the fifth edition of the "Mechanical Design Handbook" in Beijing in April 2008. They belong to the prior art, and their structures are clear and easy to understand.

[0029] The above-described embodiments are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Any modifications and alterations to the technical solution of the present utility model without departing from its design spirit shall fall within the protection scope defined by the claims of the present utility model.

Claims

1. A filter cloth cutting device, comprising a frame, wherein a worktable is provided on the frame, characterized in that: A support base is provided on the worktable, and a main shaft is rotatably mounted on the support base. Circular blades arranged at intervals are fixedly mounted on the main shaft. A drive motor for rotating the main shaft is provided on the frame. Several blade holders are arranged at intervals on the worktable, and each blade holder corresponds to one of the circular blades. A conveying channel is formed between the blade holders to facilitate the passage of the cut filter cloth strips. An auxiliary pressing device for pressing the filter cloth strips is installed downstream of the conveying channel on the worktable. A sharpening device for sharpening the circular blades is also provided on the worktable.

2. The filter cloth cutting device as described in claim 1, characterized in that: The sharpening device includes a sharpening bracket fixedly mounted on the worktable. A mounting shaft is horizontally arranged on the sharpening bracket and is parallel to the main shaft. A sharpening sleeve is rotatably mounted on the mounting shaft and slides axially on the mounting shaft. A sharpening stone is fixedly mounted on the sharpening sleeve. An operating lever is also provided on the sharpening sleeve. Operating the operating lever causes the sharpening sleeve to slide and deflect, so that the sharpening stone contacts the cutting edge of any circular blade for sharpening.

3. The filter cloth cutting device as described in claim 2, characterized in that: The sharpening sleeve is provided with a blade shank, the length direction of which is perpendicular to the axial direction of the sharpening sleeve. The sharpening stone is provided at the end of the blade shaft, which is parallel to the mounting shaft. The blade shaft and the blade shank are detachably fixed together.

4. The filter cloth cutting device as described in claim 3, characterized in that: The tool holder is provided with a horizontal through mounting hole, and the end of the tool holder is provided with an axial locking hole that communicates with the mounting hole. The tool shaft passes through the mounting hole, and a locking bolt for tightening the tool shaft is installed in the axial locking hole.

5. The filter cloth cutting device as described in claim 4, characterized in that: The diameter of the whetstone is larger than the diameter of the blade shaft, and both ends of the whetstone are provided with a sharpening area.

6. The filter cloth cutting device as described in claim 5, characterized in that: The auxiliary pressure device includes an auxiliary pressure bracket fixed on the workbench, and an auxiliary pressure rod is deflected and installed on the auxiliary pressure bracket. The auxiliary pressure rod contacts the workbench and applies auxiliary pressure to the filter cloth strip.

7. The filter cloth cutting device as described in claim 6, characterized in that: The auxiliary pressure bracket and the grinding tool bracket are the same bracket. The operating rod is provided with a mounting sleeve, and the auxiliary pressure rod passes through the mounting sleeve and is set horizontally.

8. The filter cloth cutting device as described in claim 1, characterized in that: The blade holder is inclined, and its upstream end is close to and cooperates with the corresponding circular blade to cut strips.

9. The filter cloth cutting device as described in claim 1, characterized in that: The worktable is also fixed with a protective cover that covers the spindle and the circular blade.

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