CN210889948U - Knife box synchronous belt self-tensioning device - Google Patents
Knife box synchronous belt self-tensioning device Download PDFInfo
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- CN210889948U CN210889948U CN201921512236.8U CN201921512236U CN210889948U CN 210889948 U CN210889948 U CN 210889948U CN 201921512236 U CN201921512236 U CN 201921512236U CN 210889948 U CN210889948 U CN 210889948U
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- sliding block
- synchronous belt
- knife box
- box frame
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Abstract
The utility model discloses a knife box hold-in range is from overspeed device tensioner. The lower sliding block is fixed on the knife box frame through screws, a bearing is arranged in the lower sliding block, the lower roller is supported through the bearing, a second synchronous belt wheel is arranged on a shaft head on the outer side of the lower roller, the lower roller and the second synchronous belt wheel are connected through a flat key, a guide groove is processed in the upper sliding block and clamped on one side of the knife box frame, the upper sliding block freely slides up and down along the knife box frame, the bearing is arranged in the upper sliding block, the upper sliding block supports the upper roller through the bearing, a first synchronous belt wheel is arranged on a shaft head on the outer side of the upper roller, the upper roller and the first synchronous belt wheel are connected through the flat key, a first tensioning wheel is fixed on the upper sliding block through screws, the first tensioning wheel slides along with the upper sliding block, a second tensioning. The utility model discloses a install the sound collocation at the take-up pulley of different positions, when the upper and lower roll centre-to-centre spacing of toolbox changes, the hold-in range remains the tensioning state throughout.
Description
Technical Field
The utility model relates to a knife box hold-in range is from overspeed device tensioner belongs to health supplies and equips the field.
Background
In the field of sanitary equipment, in the starting and stopping or adjusting process, the upper roller of the knife box can be automatically lifted, so that the upper roller is separated from the lower roller, and the condition that the center distance between the two rollers is changed is generated. When the upper and lower rolls of the knife box are transmitted in a rewinding mode through the synchronous toothed belt, the tightness of the synchronous toothed belt can be changed due to the change of the center distance. The mutual positions of the upper and lower rollers of the knife box are required to be consistent during working, and when the change value of the center distance is overlarge, the upper and lower rollers are too loose due to the synchronous belt, so that deflection is generated, and the normal work of the knife box mechanism is influenced.
SUMMERY OF THE UTILITY MODEL
In view of this, the utility model provides a sword case hold-in range is from overspeed device tensioner through the sound collocation at the take-up pulley of different positions, when the change of sword case upper and lower roll centre-to-centre spacing, the hold-in range remains the tensioning state throughout.
The utility model discloses an above-mentioned technical problem is solved to following technical means:
a self-tensioning device for a knife box synchronous belt comprises a lower sliding block, an upper sliding block, a first tensioning wheel, a second tensioning wheel and a synchronous belt, wherein the lower sliding block is fixed on a knife box frame through screws, a bearing is arranged in the lower sliding block, a lower roller is supported through the bearing, a second synchronous belt wheel is arranged on a shaft head outside the lower roller, the lower roller is connected with the second synchronous belt wheel through a flat key, a guide groove is processed on the upper sliding block and clamped on one side of the knife box frame, the upper sliding block freely slides up and down along the knife box frame, a bearing is arranged in the upper sliding block, the upper sliding block supports an upper roller through the bearing, a first synchronous belt wheel is arranged on a shaft head outside the upper roller, the upper roller is connected with the first synchronous belt wheel through the flat key, the first tensioning wheel is fixed on the upper sliding block through screws, the first tensioning wheel slides along with the upper sliding block, the second tensioning wheel is fixed, the second synchronous belt wheel, the first tension wheel, the second tension wheel and the synchronous belt form a transmission pair.
The utility model discloses a cutter box frame, including cutter box frame, bottom plate, roof, cylinder connecting block, voussoir and adjusting screw, the lower slider passes through the fix with screw between the left side board of cutter box frame and right side board, the guide way of upper slide block processing, the card is in cutter box frame's left side board and right side board one side, the upper sliding block freely slides from top to bottom along cutter box frame's left side board and right side board, first take-up pulley and second take-up pulley are by the base, the tight axle that rises, tooth type tight pulley and bearing are constituteed, the hold-in range passes through first synchronous pulley, the second synchronous pulley, first take-up pulley, the second take-up pulley constitutes reverse linkage with lower roll and last roll.
The synchronous belt is a double-sided toothed belt.
The utility model has the advantages that: through the dynamic and static collocation of the tensioning wheels arranged at different positions, when the center distance between the upper roller and the lower roller of the cutter box changes, the synchronous belt always keeps a tensioning state.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings and specific embodiments, in which the present invention provides a knife box synchronous belt self-tensioning device, comprising a lower slider 8, an upper slider 2, a first tensioning wheel 3, a second tensioning wheel 4 and a synchronous belt 7, the lower slider 8 is fixed on a knife box frame 1 by screws, a bearing is installed in the lower slider 8, a lower roller 9 is supported by the bearing, a second synchronous pulley 6 is installed on a shaft head outside the lower roller 9, the lower roller 9 and the second synchronous pulley 6 are connected by a flat key, a guide groove is processed on the upper slider 2 and clamped on one side of the knife box frame 1, the upper slider 2 freely slides up and down along the knife box frame 1, the bearing is installed in the upper slider 2, the upper slider 2 supports an upper roller 10 by the bearing, a first synchronous pulley 5 is installed on a shaft head outside the upper roller 10, the upper roller 10 is connected with the first synchronous pulley 5 by a flat key, the first tensioning wheel 3 is fixed on the, the first tensioning wheel 3 slides along with the upper sliding block 2, the second tensioning wheel 4 is fixed on the knife box frame 1 through screws, the second tensioning wheel 4 is fixed, and the first synchronous pulley 5, the second synchronous pulley 6, the first tensioning wheel 3, the second tensioning wheel 4 and the synchronous belt 7 form a transmission pair.
The utility model discloses a cutter box frame, including cutter box frame 1, bottom plate, right side plate, bottom plate, roof 304, cylinder 305, cylinder connecting block 306, voussoir 307 and adjusting screw 308, lower slider 8 passes through the fix with screw between left side plate 301 and the right side plate 302 of cutter box frame 1, the guide way of upper slider 2 processing blocks in cutter box frame 1's left side plate 301 and right side plate 302 one side, upper slider 2 freely slides from top to bottom along left side plate 301 and right side plate 302 of cutter box frame 1, first take-up pulley 3 and second take-up pulley 4 are by base 12, tight axle 13, tooth type tight pulley 11 and bearing constitution, hold-in range 7 constitutes reverse linkage with last roller 10 with lower roll 9 through first synchronous pulley 5, second synchronous pulley 6, first take-up pulley 3, second take-up pulley 4.
The synchronous belt 7 is a double-sided toothed belt.
When the upper roller 10 and the lower roller 9 are attached together, the positions of the first tensioning wheel 3 and the second tensioning wheel 4 are adjusted to enable the connection line of the circle center of the first tensioning wheel and the circle center of the second synchronous pulley 6 to be equal to the connection line of the axle centers of the upper roller 10 and the lower roller 9, when the upper sliding block 2 is lifted upwards along the knife box frame 1, the first tensioning wheel 3 slides synchronously with the second tensioning wheel 4, the length of the first tensioning wheel 4 is fixed, the length of the first tensioning wheel 4 is shortened along the common tangential direction of the first synchronous pulley 5 and the second tensioning wheel 4, and the length of the second synchronous pulley 6 is basically equal to the length of the first tensioning wheel 3 extending along the common tangential direction, so that the tension degree of the synchronous belt 7 in.
Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.
Claims (3)
1. A knife box synchronous belt self-tensioning device is characterized by comprising a lower sliding block (8), an upper sliding block (2), a first tensioning wheel (3), a second tensioning wheel (4) and a synchronous belt (7), wherein the lower sliding block (8) is fixed on a knife box frame (1) through screws, a bearing is arranged in the lower sliding block (8), a lower roller (9) is supported through the bearing, a second synchronous belt wheel (6) is arranged on a shaft head on the outer side of the lower roller (9), the lower roller (9) and the second synchronous belt wheel (6) are connected through a flat key, a guide groove is processed in the upper sliding block (2) and clamped on one side of the knife box frame (1), the upper sliding block (2) freely slides up and down along the knife box frame (1), the bearing is arranged in the upper sliding block (2), the upper sliding block (2) supports the upper roller (10) through the bearing, a first synchronous belt wheel (5) is arranged on the outer side of the upper roller (10), the upper roller (10) and the, the first tensioning wheel (3) is fixed on the upper sliding block (2) through a screw, the first tensioning wheel (3) slides along with the upper sliding block (2), the second tensioning wheel (4) is fixed on the knife box frame (1) through a screw, the second tensioning wheel (4) is fixed, and the first synchronous pulley (5), the second synchronous pulley (6), the first tensioning wheel (3), the second tensioning wheel (4) and the synchronous belt (7) form a transmission pair.
2. The knife box synchronous belt self-tensioning device as claimed in claim 1, characterized in that: the utility model discloses a cutting tool box, including a knife box frame (1), a synchronous belt (7), a synchronous pulley, a bottom plate (303), a roof (304), a cylinder (305), a cylinder connecting block (306), voussoir (307) and adjusting screw (308), lower slider (8) pass through the fix with screw between left side board (301) and right side board (302) of cutting tool box frame (1), the guide way of upper slide (2) processing, block in left side board (301) and right side board (302) one side of cutting tool box frame (1), upper slide (2) freely slide from top to bottom along left side board (301) and right side board (302) of cutting tool box frame (1), first take-up pulley (3) and second take-up pulley (4) are by base (12), tight axle (13), tooth type tight pulley (11) and bearing are constituteed, hold-in range (7) are through first synchronous pulley (5), second synchronous pulley (6), first tight pulley (3), The second tension wheel (4) enables the lower roller (9) and the upper roller (10) to form reverse linkage.
3. The knife box synchronous belt self-tensioning device as claimed in claim 1, characterized in that: the synchronous belt (7) is a double-sided toothed belt.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512236.8U CN210889948U (en) | 2019-09-11 | 2019-09-11 | Knife box synchronous belt self-tensioning device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921512236.8U CN210889948U (en) | 2019-09-11 | 2019-09-11 | Knife box synchronous belt self-tensioning device |
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| Publication Number | Publication Date |
|---|---|
| CN210889948U true CN210889948U (en) | 2020-06-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921512236.8U Active CN210889948U (en) | 2019-09-11 | 2019-09-11 | Knife box synchronous belt self-tensioning device |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879511A (en) * | 2021-05-06 | 2021-06-01 | 新乡天丰机械制造有限公司 | Center distance adjusting mechanism synchronizing wheel subassembly |
| CN117602419A (en) * | 2023-12-29 | 2024-02-27 | 青岛英诺包装科技有限公司 | Unwinding roller replacing device of BOPP film splitting machine |
-
2019
- 2019-09-11 CN CN201921512236.8U patent/CN210889948U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112879511A (en) * | 2021-05-06 | 2021-06-01 | 新乡天丰机械制造有限公司 | Center distance adjusting mechanism synchronizing wheel subassembly |
| CN117602419A (en) * | 2023-12-29 | 2024-02-27 | 青岛英诺包装科技有限公司 | Unwinding roller replacing device of BOPP film splitting machine |
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