CN211193349U - Three-point deviation rectifying mechanism of abrasive belt machine - Google Patents
Three-point deviation rectifying mechanism of abrasive belt machine Download PDFInfo
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- CN211193349U CN211193349U CN201921461699.6U CN201921461699U CN211193349U CN 211193349 U CN211193349 U CN 211193349U CN 201921461699 U CN201921461699 U CN 201921461699U CN 211193349 U CN211193349 U CN 211193349U
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- base plate
- adjusting bolt
- fulcrum
- central shaft
- driven wheel
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Abstract
The utility model relates to a three-point correcting mechanism of an abrasive belt machine, which comprises a base plate, an adjusting bolt, a locking nut and a central shaft, wherein a tension displacement notch is arranged at one side of a protective cover near a driven wheel, the base plate is arranged outside the tension displacement gap, the adjusting bolt is arranged in the center of the base plate, the rear part of the adjusting bolt is fixedly connected with the base plate, the front part of the adjusting bolt is screwed into the side wall of the protective cover, the base plate is close to the driving wheel, namely, two fulcrum holes are arranged on the right side of the adjusting bolt, the fulcrum holes are positioned on a vertical line, a hemispherical fulcrum is arranged in the fulcrum hole, the fulcrum is positioned between the substrate and the side wall of the protective cover, the substrate is close to the driven wheel part, namely, the left side of the adjusting bolt, one end of the central shaft is fixedly connected on the base plate through a locking nut, and the driven wheel is installed on the central shaft and can rotate around the central shaft. The utility model discloses the assembly degree of difficulty is low, adjusts accurately, and is longe-lived, has reduced the potential safety hazard.
Description
Technical Field
The utility model relates to an abrasive band machine field specifically is an abrasive band machine three point mechanism of rectifying.
Background
The belt sander comprises a sanding belt, a motor, a frame, a shell and a belt wheel or a belt roller; when the abrasive belt works, the abrasive belt is tensioned, and the motor drives one belt wheel or one belt roller to move to drive the abrasive belt to reciprocate, so that the abrasive belt is rubbed with a workpiece, and the surface of the workpiece is ground. The belt sander is widely applied to industries such as hardware, water heating, furniture and the like.
Due to the tension action of the spring of the tensioning mechanism and high-speed operation, a driven wheel of the belt sander is not in the same plane with a driving wheel, so that the rotation fault of the abrasive belt is caused, and the grinding is influenced. Therefore, the belt sander must be provided with a deviation correcting mechanism, as shown in the accompanying drawing 1 and the accompanying drawing 1, the deviation correcting mechanism is a deviation correcting mechanism commonly used in the prior belt sander, the front end of the deviation correcting mechanism is provided with two U-shaped forks which are respectively positioned at two sides of a driven wheel, one end of a central shaft of the driven wheel is hinged with the U-shaped fork at the corresponding side, the other end of the central shaft of the driven wheel is fixed with the front part of an adjusting bolt, the adjusting bolt is screwed on a base, the adjusting bolt is rotated, the distance between the front part of the adjusting.
The problem that current mechanism of rectifying exists is:
1. in order to match with the back and forth movement of the tensioning mechanism, long-strip-shaped gaps need to be reserved on two sides of the protective cover of the U-shaped fork of the deviation correcting mechanism, the integrity of the appearance is firstly influenced, the protective cover is influenced to protect an operator due to the existence of the gaps, carelessness is slight, and the operator can be injured from the long-strip-shaped gaps by the driven wheel and the abrasive belt which rotate at a high speed.
2. The structure of the U-shaped fork and the long notch determines that the diameter of the central shaft of the driven wheel needs to be controlled below a certain size, and the service life and the stability of high-speed rotation are influenced by the excessively thin central shaft.
SUMMERY OF THE UTILITY MODEL
To the not enough of prior art, the utility model discloses the technical problem who solves is: the deviation correcting mechanism of the abrasive belt machine adopts a traditional U-shaped fork structure, so that when the deviation correcting mechanism moves in cooperation with the tensioning mechanism, the side face of the protective cover must be provided with a long strip-shaped notch, the danger is high, the diameter of the central shaft of the driven wheel is too thin, and the service life and the stability of high-speed rotation are influenced.
The utility model provides a following technical scheme: a three-point deviation rectifying mechanism of an abrasive belt machine comprises a base plate, an adjusting bolt, a locking nut and a central shaft,
a tensioning displacement notch is arranged on one side of the protective cover close to the driven wheel, the base plate is arranged outside the tensioning displacement notch, the adjusting bolt is arranged at the center of the base plate, the rear part of the adjusting bolt is fixedly connected with the base plate, the front part of the adjusting bolt is screwed into the side wall of the protective cover,
the part of the base plate close to the driving wheel, namely the right side of the adjusting bolt, is provided with two fulcrum holes, the fulcrum holes are positioned on a vertical line, hemispherical fulcrums are arranged in the fulcrum holes, the fulcrums are positioned between the base plate and the side wall of the protective cover,
the base plate is close to the driven wheel part, namely the left side of the adjusting bolt, one end of the central shaft is fixedly connected onto the base plate through a locking nut, and the driven wheel is installed on the central shaft and can rotate around the central shaft.
Further, in order to facilitate adjustment, the adjusting bolt screwing part is petal-shaped and can be held by fingers.
Further, the central shaft is connected with the driven wheel through a bearing, and the diameter of the central shaft is more than 30 mm.
Further, in order to save cost and ensure stability, the fulcrum in the fulcrum hole is a round head screw.
Further, the base plate adopts 8 millimeter steel sheet, the base plate forms through laser cutting with the fulcrum hole on it, the button head screw is triangle self tapping superstrong screw, installs through electric spanner on the fulcrum hole.
The utility model discloses a theory of operation: the utility model discloses a three point mechanism of rectifying only sets up base plate, the adjusting bolt of 8 millimeters steel sheets in protection casing one side, can control the regulation and deflect, and only one side of protection casing sets up the tight displacement breach that rises, and the back of the body base plate shelters from the protection, is not had the window by the side. Is very safe and beautiful.
The utility model discloses having continued the spring tensioning abrasive band, having been two fulcrums and an adjustment electricity on a straight line at three points, having driven the driving wheel left and right sides and deflecting, guaranteed that the high-speed moving in-process in abrasive band keeps tension. The driven wheel was fine tuned 15 degrees left and right through a 30mm diameter steel central shaft. Therefore, the abrasive belt does not deviate in high-speed operation and is accurately positioned by a laser steel plate cutting technology.
Compared with the prior art, the utility model provides an abrasive band machine three point mechanism of rectifying possesses following beneficial effect:
1. the utility model discloses the assembly degree of difficulty is low, adjusts accurately, and the center pin is thicker, long service life, and stable in structure is reliable.
2. The base plate is used as a part of the deviation rectifying and adjusting mechanism, a tension displacement gap when the tension mechanism moves can be blocked, and potential safety hazards are reduced.
3. The deviation adjustment of the driven wheel by 15 degrees from left to right is realized through the displacement of the base plate, and the adjustment range is large.
Drawings
Fig. 1 is a schematic perspective view of a protective cover and a deviation correcting mechanism of a conventional belt sander according to the present invention;
FIG. 2 is an enlarged schematic perspective view and a top view of a deviation correcting mechanism of a conventional belt sander according to the present invention;
fig. 3 is two schematic perspective views of the three-point deviation rectifying mechanism and the protective cover of the belt sander of the present invention;
fig. 4 is two enlarged schematic perspective views of the three-point deviation rectifying mechanism of the belt sander of the present invention;
fig. 5 is two enlarged top and right views of the three-point deviation correcting mechanism of the belt sander according to the present invention;
fig. 6 is an enlarged schematic view of a portion a of fig. 5.
In the figure: 1. a protective cover; 2. a driven wheel; 3. a substrate; 4. a fulcrum hole; 5. adjusting the bolt; 6. locking the nut; 7. a central shaft; 8. a round head screw; 9. and tensioning the displacement gap.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 3-6, a three-point deviation correcting mechanism for an abrasive belt machine comprises a base plate 3, an adjusting bolt 5, a locking nut 6, a central shaft 7,
as shown in fig. 4, a tension displacement gap 9 is arranged at one side of the protective cover 1 near the driven wheel 2, the substrate 3 is arranged outside the tension displacement gap 9, the adjusting bolt 5 is installed at the center of the substrate 3, the rear part of the adjusting bolt 5 is fixedly connected with the substrate 3, the front part of the adjusting bolt 5 is screwed into the side wall of the protective cover 1,
as shown in fig. 5 and 6, two fulcrum holes 4 are provided at a portion of the base plate 3 close to the driving wheel, i.e. at the right side of the adjusting bolt 5, the fulcrum holes 4 are located on a vertical line, a hemispherical fulcrum is installed in the fulcrum holes 4, the fulcrum is located between the base plate 3 and the side wall of the protective cover 1,
the base plate 3 is close to the driven wheel 2 part, namely the left side of the adjusting bolt 5, one end of a central shaft 7 is fixedly connected to the base plate 3 through a locking nut 6, and the driven wheel 2 is installed on the central shaft 7 and can rotate around the central shaft 7. For convenience of adjustment, the screwing part of the adjusting bolt 5 is petal-shaped and can be held by fingers. The central shaft 7 is connected with the driven wheel 2 through a bearing, and the diameter of the central shaft 7 is more than 30 mm.
As shown in fig. 5 and 6, in order to save cost and ensure stability, the fulcrum in the fulcrum hole 4 is a round head screw 8. The base plate 3 adopts 8 millimeter steel sheet, base plate 3 and fulcrum hole 4 on it form through laser cutting, button head screw 8 is triangle self tapping superstrong screw, installs through electric spanner on the fulcrum hole 4.
The utility model discloses a theory of operation: the utility model discloses a three point mechanism of rectifying only sets up base plate 3, the adjusting bolt 5 of 8 millimeters steel sheets in protection casing 1 one side, can control the regulation and deflect, and protection casing 1 only one side sets up and rises and tightly move breach 9, and carries on the back base plate 3 and shelter from the protection, does not have the window by the side. Is very safe and beautiful.
The utility model discloses having continued the spring tensioning abrasive band, having been two fulcrums and an adjustment electricity on a straight line at three points, having driven the driving wheel 2 left and right sides deflection, guaranteed that the high-speed moving in-process of abrasive band keeps tension. The driven wheel 2 is fine-tuned by 15 degrees from side to side by means of a steel central shaft 7 of 30mm diameter. Therefore, the abrasive belt does not deviate in high-speed operation and is accurately positioned by a laser steel plate cutting technology.
In summary, the following steps: abrasive band machine three point mechanism of rectifying assembly degree of difficulty is low, adjusts accurately, long service life, stable in structure is reliable, has reduced the potential safety hazard.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. The utility model provides an abrasive band machine three point mechanism of rectifying which characterized in that: comprises a base plate (3), an adjusting bolt (5), a locking nut (6) and a central shaft (7),
a tension displacement notch (9) is arranged on one side of the protective cover (1) close to the driven wheel (2), the base plate (3) is arranged on the outer side of the tension displacement notch (9), the adjusting bolt (5) is installed at the center of the base plate (3), the rear part of the adjusting bolt (5) is fixedly connected with the base plate (3), the front part of the adjusting bolt (5) is screwed into the side wall of the protective cover (1),
the part of the base plate (3) close to the driving wheel, namely the right side of the adjusting bolt (5), is provided with two fulcrum holes (4), the fulcrum holes (4) are positioned on a vertical line, a hemispherical fulcrum is arranged in the fulcrum holes (4), the fulcrum is positioned between the base plate (3) and the side wall of the protective cover (1),
the base plate (3) is close to the part of the driven wheel (2), namely the left side of the adjusting bolt (5), one end of a central shaft (7) is fixedly connected onto the base plate (3) through a locking nut (6), and the driven wheel (2) is installed on the central shaft (7) and can rotate around the central shaft (7).
2. The three-point deviation correcting mechanism of the belt sander as recited in claim 1, wherein: the adjusting bolt (5) screwing part is petal-shaped and can be held by fingers.
3. The three-point deviation correcting mechanism of the belt sander as recited in claim 1, wherein: the central shaft (7) is connected with the driven wheel (2) through a bearing, and the diameter of the central shaft (7) is more than 30 mm.
4. The three-point deviation correcting mechanism of the belt sander as recited in claim 1, wherein: the fulcrum in the fulcrum hole (4) is a round head screw (8).
5. The three-point deviation correcting mechanism of the belt sander as recited in claim 4, wherein: the base plate (3) adopts 8 millimeter steel sheet, base plate (3) and fulcrum hole (4) on it form through laser cutting, button head screw (8) are triangle self tapping superstrong screw, install through electric spanner on fulcrum hole (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461699.6U CN211193349U (en) | 2019-09-04 | 2019-09-04 | Three-point deviation rectifying mechanism of abrasive belt machine |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921461699.6U CN211193349U (en) | 2019-09-04 | 2019-09-04 | Three-point deviation rectifying mechanism of abrasive belt machine |
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| CN211193349U true CN211193349U (en) | 2020-08-07 |
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| CN201921461699.6U Active CN211193349U (en) | 2019-09-04 | 2019-09-04 | Three-point deviation rectifying mechanism of abrasive belt machine |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571230A (en) * | 2020-12-10 | 2021-03-30 | 杭州龙砺智能科技有限公司 | Abrasive belt machine and working method thereof |
| CN112571229A (en) * | 2020-12-10 | 2021-03-30 | 杭州龙砺智能科技有限公司 | Polishing equipment and working method thereof |
| CN113001344A (en) * | 2021-01-29 | 2021-06-22 | 重庆大学 | Grinding head equipment for grinding welding line |
-
2019
- 2019-09-04 CN CN201921461699.6U patent/CN211193349U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112571230A (en) * | 2020-12-10 | 2021-03-30 | 杭州龙砺智能科技有限公司 | Abrasive belt machine and working method thereof |
| CN112571229A (en) * | 2020-12-10 | 2021-03-30 | 杭州龙砺智能科技有限公司 | Polishing equipment and working method thereof |
| CN113001344A (en) * | 2021-01-29 | 2021-06-22 | 重庆大学 | Grinding head equipment for grinding welding line |
| CN113001344B (en) * | 2021-01-29 | 2023-12-26 | 重庆大学 | Grinding head equipment for grinding welding line |
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