CN218138579U - Eccentric guider of saw blade for band saw - Google Patents
Eccentric guider of saw blade for band saw Download PDFInfo
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- CN218138579U CN218138579U CN202222375098.1U CN202222375098U CN218138579U CN 218138579 U CN218138579 U CN 218138579U CN 202222375098 U CN202222375098 U CN 202222375098U CN 218138579 U CN218138579 U CN 218138579U
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Abstract
The utility model discloses a saw blade eccentric guide device for a band saw, which comprises a conductor, wherein a longitudinal guide unit and a transverse guide unit are arranged on the conductor; the longitudinal guide unit is used for limiting and guiding the saw blade in the longitudinal direction; the transverse guide unit comprises two sets of first eccentric guide mechanisms which are symmetrically arranged, and a guide channel for the movement of the saw blade is arranged between the two sets of first eccentric guide mechanisms; the first eccentric guide mechanism comprises a first eccentric shaft, a first bearing, a locking handle and a connecting piece, one end of the first eccentric shaft is arranged in a first shaft hole formed in the conductor, the other end of the first eccentric shaft is provided with the first bearing through the connecting piece, the conductor is provided with a locking hole in the side face of the first shaft hole, and the locking handle is matched with the locking hole to lock the first eccentric shaft; the distance between the periphery of the first bearing and the saw blade can be adjusted by rotating the first eccentric shaft. The utility model has compact structure, and can greatly reduce the occupied space and the cost; reliable and stable performance, and convenient installation, use and maintenance.
Description
Technical Field
The utility model belongs to wood working machinery field relates to saw blade guide structure, specifically is a band saw is eccentric guider of saw blade for the machine.
Background
Band saw machines are widely used machines in woodworking machines. Structurally, as shown in fig. 1, the saw blade tensioning device mainly comprises a machine body assembly 1, a material baffle assembly 2, a saw blade tensioning assembly 3, a saw blade guide mechanism assembly 4, a transmission system assembly 5, a workbench assembly 6, a chassis assembly 7 and the like.
The saw blade is a working component of a band saw machine, and particularly, maintaining the stability of the blade during high speed operation is critical to the quality and efficiency of the wood cut. The saw blade guide mechanism assembly is divided into an upper part and a lower part which are respectively positioned on the upper side and the lower side of the workbench, and mainly used for limiting the saw blade transversely and longitudinally and keeping the stability of the saw blade in the working process.
At present, the transverse and longitudinal guide units in the saw blade guide mechanism mostly adopt a sliding structure, the gap between the guide unit and the saw blade is adjusted, the saw blade is limited, and the stability of the saw blade during working is kept.
"carpenter's band saw machine convenient to adjust saw blade" as chinese patent (application number 202022620390.6) discloses includes the frame, the frame upper end is rotated through axis of rotation one and is connected with the saw wheel, the frame lower extreme is rotated through two of axis of rotation and is connected with down the saw wheel, two of axis of rotation are connected with motor drive, it passes through the saw blade with lower saw wheel to go up the saw wheel and is connected, go up the saw wheel and be equipped with the cutting bed down between the saw wheel, the saw blade passes the cutting bed, be equipped with the fixture who is used for adjusting the saw blade in the frame.
The band saw machine comprises a rack, a workbench is arranged on the rack, an upper saw wheel and a lower saw wheel are arranged on the rack, band saw blades are sleeved between the upper saw wheel and the lower saw wheel, a sliding table support is arranged on one side of the workbench, a sliding table is arranged on the sliding table support and slides along the sliding table support, a turnover table and a turnover cylinder are arranged on the sliding table, the turnover table is rotatably connected with the sliding table, one end of the turnover cylinder is rotatably connected with the sliding table, the other end of the turnover cylinder is connected with the turnover table and drives the turnover table to turn over, and the turnover table is used for placing workpieces to be cut.
In the existing and the above technical scheme, the structure of the transverse and longitudinal guide unit used by the band saw machine still has the problems of large volume and complex structure, is inconvenient to use and influences the stability of the cutting work of the saw blade.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a band saw is eccentric guider of saw blade for machine to solve the defect that current saw blade guiding mechanism is bulky and the structure is complicated, make it simple structure and convenient operation.
In order to realize the utility model discloses an aim at, adopt following technical scheme:
the eccentric guide device of the saw blade for the band saw comprises a conductor, wherein a longitudinal guide unit and a transverse guide unit are arranged on the conductor, and the transverse guide unit is arranged on the upper side or the lower side of the longitudinal guide unit; the longitudinal guide unit is used for limiting and guiding the saw blade in the longitudinal direction; the transverse guide unit comprises two sets of first eccentric guide mechanisms which are symmetrically arranged, and a guide channel for the movement of the saw blade is arranged between the two sets of first eccentric guide mechanisms; the first eccentric guide mechanism comprises a first eccentric shaft, a first bearing, a locking handle and a connecting piece, one end of the first eccentric shaft is arranged in a first shaft hole formed in the conductor, the other end of the first eccentric shaft is provided with the first bearing through the connecting piece, the conductor is provided with a locking hole in the side face of the first shaft hole, and the locking handle is matched with the locking hole to lock the first eccentric shaft; the distance between the periphery of the first bearing and the saw blade can be adjusted by rotating the first eccentric shaft.
In order to further realize the purpose of the utility model, the following technical scheme can also be adopted:
the saw blade eccentric guide device for the band saw comprises a longitudinal guide unit, wherein the longitudinal guide unit comprises a second eccentric guide mechanism, the second eccentric guide mechanism comprises a second eccentric shaft, a second bearing, a locking handle and a connecting piece, one end of the second eccentric shaft is installed in a second shaft hole formed in the conductor, the other end of the second eccentric shaft is installed on the second bearing through the connecting piece, a locking hole is formed in the side face of the second shaft hole of the conductor, and the locking handle is matched with the locking hole to lock the second eccentric shaft.
According to the saw blade eccentric guide device for the band saw, the connecting piece is a screw, the end part of the first eccentric shaft is provided with a screw hole, and the screw is matched with the screw hole to movably install the first bearing on the first eccentric shaft.
According to the saw blade eccentric guide device for the band saw, the first eccentric shaft or the second eccentric shaft penetrates through the periphery of the end part of the conductor to be provided with the anti-skidding structure.
Compared with the prior art, the utility model has the advantages of:
the longitudinal guide unit with the eccentric structure and the transverse guide unit with the slide block structure have compact structure, and can greatly reduce the occupied space of the saw blade guide unit; the working performance is reliable and stable, and the installation, the use and the maintenance are convenient; short manufacturing and installation period and low cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below.
FIG. 1 is a schematic view of a conventional band saw machine.
FIG. 2 is a schematic view of the present invention;
fig. 3 is an exploded view of fig. 2.
Reference numerals:
1-a body assembly; 2-a material baffle assembly; 3-a saw blade tensioning assembly; 4-saw blade guide mechanism assembly; 5-a transmission system assembly; 6-a workbench assembly; 7-a chassis assembly; 8-a conductor; 9-transverse guiding unit, 91-first eccentric shaft, 92-first bearing, 93-first shaft hole, 94-locking handle, 95-connecting piece, 951-screw, 952-gasket and 96-locking hole; 10-a longitudinal guide unit, 101-a second eccentric shaft; 102-second bearing, 103-second shaft hole; 11-saw blade.
Detailed Description
In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention.
As shown in fig. 1, the conventional band saw machine mainly comprises a machine body assembly 1, a material baffle assembly 2, a saw blade tensioning assembly 3, a saw blade guide mechanism assembly 4, a transmission system assembly 5, a workbench assembly 6, a bottom frame assembly 7 and the like. The saw blade 11 serves as a cutting work member of the band saw machine.
And the saw blade guide mechanism assembly 4 is divided into an upper part and a lower part which are respectively positioned at the upper side and the lower side of the workbench. The saw blade 11 is inconvenient to use due to the problems of large volume and complex structure, and the stability of the cutting work of the saw blade 11 is influenced.
The embodiment discloses an eccentric guide device of a saw blade for a band saw, which comprises a conductor 8, wherein a longitudinal guide unit 10 and a transverse guide unit 9 are arranged on the conductor 8. The lateral guide unit 9 is disposed at an upper side or a lower side of the longitudinal guide unit 10.
As shown in fig. 2 and 3, the conductor 8 serves as a mounting frame and a positioning base for the transverse guiding unit 9 and the longitudinal guiding unit 10, so that the transverse guiding unit 9 and the longitudinal guiding unit 10 can be fixed on the machine body assembly 1 through the conductor 8 to guide the saw blade when cutting materials.
With continued reference to fig. 2 and 3, the transverse guide unit 9 of the present embodiment is used for limit-guiding the saw blade in the transverse direction.
The transverse guide unit 9 comprises two sets of first eccentric guide mechanisms which are symmetrically arranged, and a guide channel for the movement of the saw blade is arranged between the two sets of first eccentric guide mechanisms; the first eccentric guide mechanism includes a first eccentric shaft 91, a first bearing 92, a lock handle 94, and a link 95. One end of the first eccentric shaft 91 is mounted in a first shaft hole 93 formed in the conductor 8, and the other end is mounted with a first bearing 92 through a connecting member 95. The conductor 8 is provided with a locking hole 96 on the side surface of the first shaft hole 93, and the locking handle 94 is matched with the locking hole 96 to lock the first eccentric shaft 91; the distance between the periphery of the first bearing 92 and the saw blade can be adjusted by rotating the first eccentric shaft 91.
The longitudinal guide unit 10 of this embodiment is used for limit-guiding the saw blade in the longitudinal direction.
The longitudinal guide unit 10 includes a second eccentric guide mechanism, which includes a second eccentric shaft 101, a second bearing 102, a locking handle 94 and a connecting member 95, wherein one end of the second eccentric shaft 101 is installed in a second shaft hole 103 formed on the conductor 8, and the other end is installed with the second bearing 102 through the connecting member 95. The conductor 8 is provided with a locking hole 96 at the side of the second shaft hole 103, and the locking handle 94 is matched with the locking hole 96 to lock the second eccentric shaft 101.
In addition, in order to make the structure compact, easy to install and adjust, the longitudinal guide unit 10 is installed on the upper side of the lateral guide unit 9 in this embodiment.
As shown in fig. 3, the connecting element 95 of this embodiment uses a screw 951, the ends of the first eccentric shaft 91 and the second eccentric shaft 101 are provided with screw holes, and the screw 951 is matched with the screw holes to movably mount the first bearing 92 on the first eccentric shaft 91 or movably mount the second bearing 102 on the second eccentric shaft 101. In order to ensure stable connection, a gasket 952 is sleeved on the screw 951.
In order to facilitate the adjustment of the first eccentric shaft 91 and the second eccentric shaft 101, anti-slip structures are arranged on the peripheries of the ends of the first eccentric shaft 91 and the second eccentric shaft 101 penetrating through the conductor 8. The anti-slip structure in this embodiment employs knurl patterns.
The second eccentric shaft 101 can be slidably or rotatably adjusted in a second shaft hole 103 formed in the conductor 8, thereby changing the distance between the front end surface of the second bearing 102 and the saw blade to guide the second bearing 102 in the longitudinal direction close to the saw blade 11. The first eccentric shaft 91 can slide or rotate and adjust in a first shaft hole 93 formed on the conductor 8, thereby changing the distance between the two sets of first bearings 92 and the saw blade 11 and transversely guiding the saw blade 11.
The specific adjustment process of the eccentric guide device for the saw blade for the band saw machine of the embodiment is as follows:
1. connecting and fixing the conductor 8 with the machine body assembly 1 through a screw 951 and a gasket 952;
2. when the longitudinal guide unit 10 is adjusted, the second eccentric shaft 101 is rotated and longitudinally slid according to the difference of the widths of the saw blades 11, the second bearing 102 is driven to longitudinally move, the locking handle 94 is rotated after the second bearing is longitudinally contacted with the saw blades 11, the longitudinal guide unit 10 is locked, and then the saw blades 11 are longitudinally limited;
3. when the transverse guiding unit 9 is adjusted, firstly, the first eccentric shaft 91 is longitudinally slid to drive the first bearing 92 to longitudinally move, and when the front end face of the first bearing 92 keeps a proper distance from the saw teeth of the saw blade 11; then, the first eccentric shafts 91 are rotated to drive the first bearings 92 to laterally offset, and after the cylindrical surfaces of the first bearings 92 and the saw blades 11 keep proper gaps, the locking handles 94 are rotated to lock the two sets of first eccentric shafts 91, so that the lateral guide units 9 and the conductors 8 are fixed.
The technical contents not described in detail in the present invention are all known techniques.
Claims (5)
1. The eccentric guide device of the saw blade for the band saw comprises a conductor and is characterized in that a longitudinal guide unit and a transverse guide unit are mounted on the conductor, and the transverse guide unit is arranged on the upper side or the lower side of the longitudinal guide unit; the longitudinal guide unit is used for limiting and guiding the saw blade in the longitudinal direction; the transverse guide unit comprises two sets of first eccentric guide mechanisms which are symmetrically arranged, and a guide channel for the movement of the saw blade is arranged between the two sets of first eccentric guide mechanisms; the first eccentric guide mechanism comprises a first eccentric shaft, a first bearing, a locking handle and a connecting piece, one end of the first eccentric shaft is arranged in a first shaft hole formed in the conductor, the other end of the first eccentric shaft is provided with the first bearing through the connecting piece, the conductor is provided with a locking hole on the side face of the first shaft hole, and the locking handle is matched with the locking hole to lock the first eccentric shaft; the distance between the periphery of the first bearing and the saw blade can be adjusted by rotating the first eccentric shaft.
2. The eccentric guide device of a saw blade for a band saw according to claim 1, wherein the longitudinal guide unit comprises a second eccentric guide mechanism, the second eccentric guide mechanism comprises a second eccentric shaft, a second bearing, a locking handle and a connecting piece, one end of the second eccentric shaft is installed in a second shaft hole formed in the conductor, the other end of the second eccentric shaft is installed in the second shaft hole through the connecting piece, the conductor is provided with a locking hole in the side surface of the second shaft hole, and the locking handle is matched with the locking hole to lock the second eccentric shaft.
3. The eccentric guide of claim 1, wherein the connecting member is a screw, the first eccentric shaft has a threaded hole at an end thereof, and the screw is engaged with the threaded hole to movably mount the first bearing on the first eccentric shaft.
4. The eccentric guide of saw blade for band saw machine as claimed in claim 1, wherein said first eccentric shaft is provided with an anti-slip structure through the outer circumference of the end of the conductor.
5. The eccentric guide of saw blade for band saw machine as claimed in claim 2, wherein said second eccentric shaft is provided with an anti-slip structure through the outer circumference of the end of the conductor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222375098.1U CN218138579U (en) | 2022-09-07 | 2022-09-07 | Eccentric guider of saw blade for band saw |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222375098.1U CN218138579U (en) | 2022-09-07 | 2022-09-07 | Eccentric guider of saw blade for band saw |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218138579U true CN218138579U (en) | 2022-12-27 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222375098.1U Active CN218138579U (en) | 2022-09-07 | 2022-09-07 | Eccentric guider of saw blade for band saw |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218138579U (en) |
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2022
- 2022-09-07 CN CN202222375098.1U patent/CN218138579U/en active Active
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