CN215968031U - Sanding length tensioning device for sanding machine - Google Patents
Sanding length tensioning device for sanding machine Download PDFInfo
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- CN215968031U CN215968031U CN202122492063.1U CN202122492063U CN215968031U CN 215968031 U CN215968031 U CN 215968031U CN 202122492063 U CN202122492063 U CN 202122492063U CN 215968031 U CN215968031 U CN 215968031U
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- sanding
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- pulley
- tensioning device
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Abstract
The utility model is suitable for the technical field of equipment adjustment, and provides a sanding length tensioning device for a sanding machine, which comprises two driving rollers arranged side by side and a sanding belt sleeved with the driving rollers, wherein an adjusting device is arranged between the two driving rollers, the adjusting device comprises an eccentric part, a fixed seat and a supporting rod abutted against the eccentric part, the fixed seat is provided with a through hole for accommodating the eccentric part, and the eccentric part penetrates through the through hole and is connected with a power part; the supporting rod comprises a straight edge section and a crescent section, one end of the straight edge section is abutted to the driving roller, the other end of the straight edge section is fixedly connected with the crescent section, a pulley is arranged in the crescent section, and the pulley is abutted to the eccentric part; the crescent section below is equipped with the guide post, is equipped with the guide way that holds the guide post on the fixing base, and the guide post slides in the guide way. Therefore, the sanding belt tensioning device can effectively adjust the tensioning degree of the sanding belt, is convenient for subsequent disassembly and maintenance, can reduce the disassembly efficiency, and improves the working efficiency and the working quality.
Description
Technical Field
The utility model relates to the technical field of equipment adjustment, in particular to a sanding length tensioning device for a sanding machine.
Background
The sander comprises a wide-band sander, a grinding wheel sander and the like, the wide-band sander adopts a sanding belt sleeved with a roller to polish the surface of a workpiece, and in long-time work, the sanding belt can cause fatigue during working, so that the phenomenon of looseness is caused, and the sanding quality and the sanding effect are influenced. The current regulation to the dull polish area tight degree that rises generally adopts the bracing piece of sliding connection running roller on the workstation, then slides and adjust the back and fix with the bolt well, and this mode is firstly that the operation is adjusted and is wasted time and energy, secondly has the potential safety hazard, and the third is that it is inconvenient to change the maintenance.
In view of the above, the prior art is obviously inconvenient and disadvantageous in practical use, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
Aiming at the defects, the utility model aims to provide a sanding length tensioning device for a sanding machine, which can quickly realize effective adjustment of the tensioning degree of a sanding belt, improve the working efficiency and reduce the detection and maintenance cost.
In order to achieve the purpose, the utility model provides a sanding length tensioning device for a sander, which comprises two driving rollers arranged side by side and a sanding belt sleeved with the driving rollers, wherein an adjusting device is arranged between the two driving rollers, the adjusting device comprises an eccentric part, a fixed seat and a supporting rod abutted against the eccentric part, the fixed seat is provided with a through hole for accommodating the eccentric part, and the eccentric part penetrates through the through hole and is connected with a power part; the supporting rod comprises a straight edge section and a crescent section, one end of the straight edge section is abutted to the driving roller, the other end of the straight edge section is fixedly connected with the crescent section, a pulley is arranged in the crescent section, and the pulley is abutted to the eccentric part; crescent section below is equipped with the guide post, be equipped with the guide way that holds the guide post on the fixing base, just the guide post slides in the guide way.
According to the sanding length tensioning device for the sanding machine, the power part is a servo motor, and a speed reducer is arranged between the power part and the eccentric part.
According to the sanding length tensioning device for the sanding machine, the end face of the straight edge section is in a semicircular arrangement, and a plurality of balls are mounted on the inner wall of the end part of the semicircular arrangement.
According to the sanding length tensioning device for the sanding machine, the pulley is connected with the crescent segment through the connecting piece, the connecting piece comprises the transverse rod and the vertical rod which are perpendicular to each other, and the pulley is sleeved with the vertical rod.
According to the sanding length tensioning device for the sander, the pulley and the inner wall of the crescent section are provided with an accommodating gap, and the width of the accommodating gap is 5-8 mm.
According to the sanding length tensioning device for the sanding machine, the sealing gasket is arranged on the guide groove.
According to the sanding length tensioning device for the sanding machine, two guide columns are arranged, two guide grooves are arranged corresponding to the two guide columns, and a lubricant is coated in the guide grooves.
The utility model provides a sanding length tensioning device for a sanding machine, which comprises two driving rollers arranged side by side and a sanding belt sleeved with the driving rollers, wherein an adjusting device is arranged between the two driving rollers, the adjusting device comprises an eccentric part, a fixed seat and a supporting rod abutted against the eccentric part, the fixed seat is provided with a through hole for accommodating the eccentric part, the eccentric part penetrates through the through hole to be connected with a power part, and the power part is used for providing power for the rotation of the eccentric part so as to realize that the rotation of the eccentric part moves the position of the supporting rod, so that the supporting rod can push the two driving rollers, the distance between the two driving rollers is expanded, and the effective tensioning adjustment of the sanding belt is realized; the supporting rod comprises a straight edge section and a crescent section, one end of the straight edge section is abutted to the driving roller, the other end of the straight edge section is fixedly connected with the crescent section, a pulley is arranged in the crescent section, the pulley is abutted to the eccentric part, the position of the pulley is limited through the crescent section, and the falling phenomenon of the pulley is avoided; crescent section below is equipped with the guide post, be equipped with the guide way that holds the guide post on the fixing base, just the guide post slides in the guide way, through guide post and assorted guide way with it, realizes prescribing a limit to the direction of support bar moving direction, guarantees the effective removal of bracing piece, avoids the bracing piece to appear the skew phenomenon at the removal in-process simultaneously. The utility model has the beneficial effects that: realize adjusting the bracing piece position through the eccentric part, and then carry out the top to the position between two drive rollers and move the expansion, realize rising the effective regulation of tight degree to the dull polish area, when dismantling it, only need the counter-rotation to realize simultaneously, easy operation, the security is high.
Drawings
Fig. 1 is a schematic structural view of the present invention.
Fig. 2 is a schematic structural view of the support rod of the present invention.
Fig. 3 is a schematic view showing the structure of the support pole and the connecting member according to the present invention.
Fig. 4 is a schematic structural view of the fixing base of the present invention.
In the figure, 1-driving roller, 2-sanding belt, 31-eccentric part, 32-fixed seat, 321-guide groove, 331-straight edge section, 332-crescent section, 34-pulley, 35-guide column, 361-cross bar and 362-vertical bar.
Detailed Description
For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the present invention will be further described in detail with reference to the accompanying drawings and embodiments, it being understood that the specific embodiments described herein are merely illustrative of the present invention and are not intended to limit the present invention.
It should be noted that in the description of the present invention, the terms of direction or positional relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", etc. are based on the directions or positional relationships shown in the drawings, which are only for convenience of description, and do not indicate or imply that the device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, it should be noted that, in the description of the present invention, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.
Referring to fig. 1 to 4, the utility model provides a sanding length tensioning device for a sanding machine, which comprises two driving rollers 1 arranged side by side and a sanding belt 2 sleeved with the driving rollers 1, wherein an adjusting device is arranged between the two driving rollers 1, the adjusting device comprises an eccentric part 31, a fixed seat 32 and a supporting rod abutted against the eccentric part 31, a through hole for accommodating the eccentric part 31 is formed in the fixed seat 32, the eccentric part 31 penetrates through the through hole and is connected with a power part, and power is provided for rotation of the eccentric part 31 through the power part, so that the position of the supporting rod is moved by the rotation of the eccentric part 31, the supporting rod can conveniently jack the two driving rollers 1, the distance between the two driving rollers is enlarged, and effective tensioning adjustment of the sanding belt 2 is realized; the supporting rod comprises a straight edge section 331 and a crescent section 332, one end of the straight edge section 331 is abutted against the driving roller 1, the other end of the straight edge section 331 is fixedly connected with the crescent section 332, a pulley 34 is arranged in the crescent section 332, the pulley 34 is abutted against the eccentric part 31, the position of the pulley 34 is limited through the crescent section 332, and the falling phenomenon is avoided; crescent segment 332 below is equipped with guide post 35, be equipped with the guide way 321 that holds guide post 35 on the fixing base 32, just guide post 35 slides in guide way 321, through guide post 35 and assorted guide way 321 with it, realizes prescribing a limit to the direction of bracing piece moving direction, guarantees the effective removal of bracing piece, avoids the bracing piece to appear the skew phenomenon at the removal in-process simultaneously.
Preferably, the power part of the present invention is a servo motor, and a speed reducer is installed between the power part and the eccentric part 31, so as to adjust the rotation speed of the power part through the speed reducer, thereby ensuring effective adjustment of the power part to the eccentric part 31, and meanwhile, the servo motor is used to realize accurate adjustment of the rotation angle of the eccentric part 31, thereby ensuring effective movement adjustment of the position of the driving roller 1.
In addition, the end face of the straight section 331 of the present invention is in a semicircular shape, and the inner wall of the end portion of the semicircular shape is provided with a plurality of balls, so that the friction between the end face and the driving roller 1 is reduced by the balls, the sliding friction between the end face and the driving roller is changed into rolling friction, the service life of each component is prolonged, and the manufacturing and maintenance cost is reduced.
Furthermore, the pulley 34 of the present invention is connected to the crescent segment 332 through a connecting member, the connecting member includes a cross bar 361 and a vertical bar 362 which are perpendicular to each other, the pulley 34 is sleeved on the vertical bar 362, and the position of the pulley 34 is effectively limited through the vertical bar 362, so as to ensure the validity of the position of the pulley 34, ensure that the pulley 34 can effectively roll in subsequent work, reduce friction force, and prolong the service life of the pulley.
Preferably, the number of the guide posts 35 is two, the number of the guide grooves 321 is two corresponding to the number of the guide posts 35, and the inside of the guide grooves 321 is coated with a lubricant, so that the guide posts 35 are lubricated by the lubricant, thereby reducing the friction between the guide posts 35 and the guide grooves 321, prolonging the service life of the guide posts, improving the working efficiency and reducing the manufacturing and maintenance cost.
In the implementation process of the utility model: the polishing and grinding device has the advantages that the polishing and grinding device drives the grinding belt 2 sleeved with the driving roller 1 to rotate to polish and grind workpieces, after the polishing and grinding device is used for a long time, the grinding belt 2 can be loosened, and the polishing and grinding device can be used for adjusting the tension degree of the polishing and grinding belt in order to guarantee the tension degree of the polishing and grinding belt. When adjusting it, carry out the top through eccentric 31's rotation to the bracing piece and move, make two bracing pieces realize respectively turning left and turning right synchronous motion, utilize synchronous motion's bracing piece to carry out the top to drive roller 1 and move, make the distance grow between two drive rollers 1, and then realize rising tightly to dull polish area 2 to this effective the going on of assurance work improves its work efficiency and operating mass with rated load. The driving motor is installed to drive roller 1 lower extreme, in order to guarantee the stability of drive roller 1 in work and removal in-process, can install a guide rail in the driving motor below, utilize the guide rail firstly to inject drive roller 1 and driving motor's position, another is when guaranteeing to adjust drive roller 1 position, can guarantee its relative stability, the cooperation of guide rail and driving motor of this department can adopt T type track, and this structure belongs to prior art, and the no detailed description is here again. Pulley 34 has accommodation gap with crescent section 332's inner wall, just accommodation gap width is 5 ~ 8mm, avoids pulley 34 and crescent section 332 to carry out direct contact through accommodation gap, reduces the friction between the two, prolongs its life. Be equipped with sealed the pad on the guide way 321, realize stopping the dust that produces through sealed the pad in the polishing process, avoid it to fall into inside the guide way 321, influence the work efficiency of spare part.
In conclusion, the utility model provides a sanding length tensioning device for a sanding machine, which comprises two driving rollers arranged side by side and a sanding belt sleeved with the driving rollers, wherein an adjusting device is arranged between the two driving rollers and comprises an eccentric part, a fixed seat and a supporting rod abutted against the eccentric part, the fixed seat is provided with a through hole for accommodating the eccentric part, the eccentric part penetrates through the through hole to be connected with a power part, and the power part is used for providing power for the rotation of the eccentric part so as to realize that the rotation of the eccentric part moves the position of the supporting rod, so that the supporting rod can push the two driving rollers, the distance between the two driving rollers is expanded, and the effective tensioning adjustment of the sanding belt is realized; the supporting rod comprises a straight edge section and a crescent section, one end of the straight edge section is abutted to the driving roller, the other end of the straight edge section is fixedly connected with the crescent section, a pulley is arranged in the crescent section, the pulley is abutted to the eccentric part, the position of the pulley is limited through the crescent section, and the falling phenomenon of the pulley is avoided; crescent section below is equipped with the guide post, be equipped with the guide way that holds the guide post on the fixing base, just the guide post slides in the guide way, through guide post and assorted guide way with it, realizes prescribing a limit to the direction of support bar moving direction, guarantees the effective removal of bracing piece, avoids the bracing piece to appear the skew phenomenon at the removal in-process simultaneously. The utility model has the beneficial effects that: realize adjusting the bracing piece position through the eccentric part, and then carry out the top to the position between two drive rollers and move the expansion, realize rising the effective regulation of tight degree to the dull polish area, when dismantling it, only need the counter-rotation to realize simultaneously, easy operation, the security is high.
The present invention may be embodied in other specific forms without departing from the spirit or essential attributes thereof, and it should be understood that various changes and modifications can be effected therein by one skilled in the art without departing from the spirit and scope of the utility model as defined in the appended claims.
Claims (7)
1. A sanding length tensioning device for a sander comprises two driving rollers arranged side by side and a sanding belt sleeved with the driving rollers, and is characterized in that an adjusting device is arranged between the two driving rollers, the adjusting device comprises an eccentric part, a fixing seat and a supporting rod abutted against the eccentric part, a through hole for accommodating the eccentric part is formed in the fixing seat, and the eccentric part penetrates through the through hole and is connected with a power part;
the supporting rod comprises a straight edge section and a crescent section, one end of the straight edge section is abutted to the driving roller, the other end of the straight edge section is fixedly connected with the crescent section, a pulley is arranged in the crescent section, and the pulley is abutted to the eccentric part;
crescent section below is equipped with the guide post, be equipped with the guide way that holds the guide post on the fixing base, just the guide post slides in the guide way.
2. The sanding length tensioning device for sanding machines of claim 1, wherein the power member is a servo motor and a reducer is installed between the power member and the eccentric member.
3. The sanding length tensioning device for sanding machines as defined in claim 1, wherein the end surfaces of the straight sections are arranged in a semicircular shape, and a plurality of balls are mounted on the inner walls of the end portions of the semicircular arrangement.
4. The sanding length tensioning device for sanding machine according to claim 1, wherein the pulley is connected to the crescent segment by a connecting member, the connecting member comprises a cross bar and a vertical bar which are perpendicular to each other, and the pulley is sleeved on the vertical bar.
5. The sanding length tensioning device for the sanding machine as claimed in claim 4, wherein the pulley and the inner wall of the crescent segment have a receiving gap, and the width of the receiving gap is 5-8 mm.
6. The sanding length tensioning device for sanding machines of claim 1 wherein the guide groove is provided with a gasket.
7. The sanding length tensioning device for sanding machines as defined in claim 6, wherein there are two guide posts, there are two guide grooves corresponding to the guide posts, and a lubricant is coated in the guide grooves.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122492063.1U CN215968031U (en) | 2021-10-15 | 2021-10-15 | Sanding length tensioning device for sanding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122492063.1U CN215968031U (en) | 2021-10-15 | 2021-10-15 | Sanding length tensioning device for sanding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN215968031U true CN215968031U (en) | 2022-03-08 |
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ID=80511856
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202122492063.1U Active CN215968031U (en) | 2021-10-15 | 2021-10-15 | Sanding length tensioning device for sanding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN215968031U (en) |
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2021
- 2021-10-15 CN CN202122492063.1U patent/CN215968031U/en active Active
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