CN113232096B - A high-efficiency vertical frame saw machine - Google Patents
A high-efficiency vertical frame saw machine Download PDFInfo
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- CN113232096B CN113232096B CN202110575490.8A CN202110575490A CN113232096B CN 113232096 B CN113232096 B CN 113232096B CN 202110575490 A CN202110575490 A CN 202110575490A CN 113232096 B CN113232096 B CN 113232096B
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- saw
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- gear
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- 230000007246 mechanism Effects 0.000 claims abstract description 41
- 230000005540 biological transmission Effects 0.000 claims abstract description 13
- 230000033001 locomotion Effects 0.000 claims description 18
- 239000002023 wood Substances 0.000 abstract description 5
- 239000000428 dust Substances 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 230000013011 mating Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
- B27B3/02—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks with vertically-reciprocating saw frame
- B27B3/04—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks with vertically-reciprocating saw frame with multiple- blade saw frame
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
- B27B3/28—Components
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27B—SAWS FOR WOOD OR SIMILAR MATERIAL; COMPONENTS OR ACCESSORIES THEREFOR
- B27B3/00—Gang saw mills; Other sawing machines with reciprocating saw blades, specially designed for length sawing of trunks
- B27B3/28—Components
- B27B3/30—Blade attachments, e.g. saw buckles; Stretching devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B27—WORKING OR PRESERVING WOOD OR SIMILAR MATERIAL; NAILING OR STAPLING MACHINES IN GENERAL
- B27G—ACCESSORY MACHINES OR APPARATUS FOR WORKING WOOD OR SIMILAR MATERIALS; TOOLS FOR WORKING WOOD OR SIMILAR MATERIALS; SAFETY DEVICES FOR WOOD WORKING MACHINES OR TOOLS
- B27G3/00—Arrangements for removing bark-zones, chips, waste, or dust, specially designed for use in connection with wood-working machine or in wood-working plants
Landscapes
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Wood Science & Technology (AREA)
- Forests & Forestry (AREA)
- Sawing (AREA)
Abstract
一种高效率的立式框锯机，包括底座、电机、上箱座、锯切机构、两偏心连杆机构；电机驱动两偏心连杆机构带动锯切机构进行上下运动；两偏心连杆机构之间通过一主轴连接；主轴上设有一第一链轮，底座还设一传动机构；第一链轮连接传动机构；传动机构连接两小连杆的一端；两小连杆的另一端分别固定连接到锯切机构靠近底部的两侧边；锯切机构的两侧中部各设一中心轴固定到上箱座上；电机带动第一主轴做旋转运动，第一主轴上的第一链轮驱动传动机构，传动机构带动两小连杆驱动锯切机构左右摆动；锯条在从上向下运动后再做从左往右运动，再从下往上运动后再从右往左运动，周而复始。本发明的锯条在向下和向上运动时均对木材进行锯切，提高了工作效率。
A high-efficiency vertical frame saw includes a base, a motor, an upper box seat, a sawing mechanism, and two eccentric connecting rod mechanisms; the motor drives the two eccentric connecting rod mechanisms to drive the sawing mechanism to move up and down; the two eccentric connecting rod mechanisms are connected by a main shaft; a first sprocket is provided on the main shaft, and a transmission mechanism is also provided on the base; the first sprocket is connected to the transmission mechanism; the transmission mechanism is connected to one end of two small connecting rods; the other ends of the two small connecting rods are respectively fixedly connected to the two sides of the sawing mechanism near the bottom; a central axis is respectively provided in the middle of the two sides of the sawing mechanism and fixed to the upper box seat; the motor drives the first main shaft to rotate, the first sprocket on the first main shaft drives the transmission mechanism, and the transmission mechanism drives the two small connecting rods to drive the sawing mechanism to swing left and right; the saw blade moves from top to bottom and then moves from left to right, and then moves from bottom to top and then moves from right to left, and repeats. The saw blade of the present invention saws wood when moving downward and upward, thereby improving work efficiency.
Description
Technical Field
The invention belongs to the technical field of frame sawing machines, and particularly relates to a high-efficiency vertical frame sawing machine.
Background
The frame sawing machine is a machine which tightens a plurality of saw blades on a saw frame, and drives the saw frame to do up-down or left-right reciprocating motion by a crank (eccentric) connecting rod mechanism, so that the saw blades on the saw frame longitudinally saw logs or battens.
The frame sawing machine used in the market at present comprises a frame, a motor, a main shaft, a workbench and a frame-type saw bow, wherein the motor is arranged on the frame, the motor drives the main shaft to rotate through a belt, a plurality of saw blades are installed on the frame-type saw bow in parallel in a tensioning mode, the workbench is arranged on a guide rail horizontally arranged on the frame through guide wheels, a support is arranged above two sides of the frame, a sliding rail is fixedly arranged on the inner side of the support, two eccentric connecting rod mechanisms are arranged on the main shaft, the upper end of each eccentric connecting rod mechanism is connected with the lower frame of the frame-type saw bow, a sliding plate is arranged on the side frame of the frame-type saw bow, the motor drives the main shaft to rotate, and the frame-type saw bow is driven to move up and down along the sliding rail on the inner sides of the two supports through the eccentric connecting rod mechanisms. The frame type saw bow has the advantages of compact structure, simple operation and convenient adjustment.
However, the vertical frame sawing machine with the structure has the defects that as the guide rails of the upper sliding block and the lower sliding block are fixed, when the sliding block downwards drives the saw blade (the structure of the saw blade in the prior art is shown in fig. 1) to downwards move (as shown in fig. 2), wood is sawed, when the sliding block upwards drives the saw blade to upwards move (as shown in fig. 3), the saw blade is lifted, sawing action is not generated on the wood, and chip removal is carried out, so that only when the sliding block downwards moves, the sawing effect is realized, the upwards time is provided, and the overall processing efficiency is low. And when sawing large wood, a large stroke as that of the log is required to thoroughly discharge saw dust, which also increases the difficulty and complexity of mechanical manufacture.
Disclosure of Invention
The invention aims to solve the technical problem of providing a high-efficiency vertical frame sawing machine, wherein a saw blade saw cuts wood when moving downwards and upwards.
The invention is realized in the following way:
The high-efficiency vertical frame sawing machine comprises a base, a motor, an upper box seat, a sawing mechanism and two eccentric link mechanisms, wherein the motor is arranged below the base, the upper box seat is arranged above the base, the sawing mechanism is arranged in the upper box seat, the sawing mechanism comprises a swinging seat, a saw frame, a frame type saw bow and a plurality of saw blades, the saw blades are installed on the frame type saw bow in parallel in a tensioning mode, two sides of the frame type saw bow are fixed in the saw frame, sliding blocks are arranged on two sides of the saw frame and matched with sliding rails on two sides of the swinging seat, the motor drives the two eccentric link mechanisms to drive the sliding blocks on two sides of the saw frame to move up and down on the sliding rails on two sides of the swinging seat, and the two eccentric link mechanisms are connected through a main shaft;
The main shaft is provided with a first chain wheel, the base is also provided with a transmission mechanism, the first chain wheel is connected with the transmission mechanism, the transmission mechanism is connected with one ends of two small connecting rods, the other ends of the two small connecting rods are respectively fixedly connected to two side edges of the swing seat close to the bottom, and the middle parts of the two sides of the swing seat are respectively provided with a central shaft which is fixed on the upper box seat;
the transmission mechanism comprises a first connecting shaft, a second connecting shaft, a third connecting shaft, a second sprocket, a third sprocket, a fourth sprocket, a first chain, a second chain, a first gear, a second gear and two eccentric discs;
The base is internally provided with a first connecting shaft, the upper box seat above the first connecting shaft is internally provided with a second connecting shaft and a third connecting shaft, the third connecting shaft is arranged above the second connecting shaft, the first connecting shaft is provided with a second chain wheel and a third chain wheel, the second connecting shaft is provided with a fourth chain wheel and a first gear, the middle part of the third connecting shaft is provided with the second gear, two ends of the third connecting shaft are respectively provided with an eccentric disc, the first chain wheel and the second chain wheel are connected through a first chain, the third chain wheel and the fourth chain wheel are connected through a second chain, the first gear is meshed with the second gear, and the two eccentric discs are respectively connected with one end of a small connecting rod;
The motor drives the main shaft to do rotary motion, and a first sprocket on the main shaft sequentially drives the second sprocket, the third sprocket, the first gear, the second gear and the two eccentric discs, so as to drive the two small connecting rods to drive the swing seat to swing left and right;
A part of the upper half part of the saw blade is an upper tooth, and a part of the lower half part is a lower tooth.
The upper part of the saw blade is provided with upper teeth near the upper end, the lower part is provided with lower teeth near the lower end, and the middle part is provided with upper teeth and lower teeth which are alternately arranged.
The saw blade has the advantages that the saw blade is designed to have the saw teeth on the upper half part with a part inclined upwards, the saw teeth on the lower half part with a part inclined downwards, the rest middle parts are alternately arranged upwards and downwards, the moving rail of the saw blade is changed into a 8 shape, the saw blade moves obliquely downwards and rightwards (the lower half part of the saw blade saw cuts the lower half part of the log, the saw teeth on the upper part of the saw blade remove chips), the saw blade moves obliquely upwards and rightwards (the upper half part of the saw blade saw cuts the upper half part of the log, the saw teeth on the lower part remove chips), and then the saw blade moves obliquely downwards and rightwards. The saw blade of the invention saw cuts the upper half part or the lower half part of the log respectively after each upward movement or downward movement, thereby improving the chip removal mode, reducing the requirement on mechanical stroke and greatly improving the working efficiency.
Drawings
The invention will be further described with reference to the accompanying drawings, in conjunction with examples.
Fig. 1 is a schematic view of the structure of a saw blade of a prior art vertical frame saw.
Fig. 2 is a schematic view showing a state of downward movement of a saw blade of a related art vertical frame saw.
Fig. 3 is a schematic view showing the upward movement of the saw blade of the vertical frame saw of the prior art.
Fig. 4 is a front view of the vertical frame saw of the present invention.
Fig. 5 is a left side view of the base portion of the vertical frame saw of the present invention.
Fig. 6 is a right side view of the sawing mechanism of the vertical frame sawing machine of the present invention.
Fig. 7 is a top view of the base portion of the vertical frame saw of the present invention.
Fig. 8 is a schematic view of the structure of a saw blade of the vertical frame saw of the present invention.
Fig. 9 is a schematic view showing a downward movement of a saw blade of the vertical frame saw of the present invention.
Fig. 10 is a schematic view showing the upward movement of the saw blade of the vertical frame saw of the present invention.
Fig. 11 is a side-to-side motion schematic of a sawing mechanism of the vertical frame sawing machine of the present invention.
Fig. 12 is a schematic view of the saw frame of the vertical frame saw of the present invention.
Fig. 13 is a schematic view of the frame bow and blade mating structure of the vertical frame saw of the present invention.
Fig. 14 is a schematic view of the mating structure of the saw frame, frame bow and saw blade of the vertical frame saw of the present invention.
The device comprises a base 1, a motor 2, a small belt pulley 3, a large belt pulley 4, a flywheel 5, a main shaft 6, a first chain wheel 7, a connecting rod 8, a first connecting shaft 9, a second chain wheel 10, a third chain wheel 11, a first gear 12, a second connecting shaft 13, a fourth chain wheel 14, an eccentric disc 15, a second gear 16, a small connecting rod 17, a third connecting shaft 18, a triangular belt 19, an upper box seat 20, a swinging seat 21, a sliding rail 22, a sliding block 23, a first chain 24, a central shaft 25, a saw frame 26, a frame saw bow 27, a saw blade 28, a support plate 29 and a connecting shaft 30.
Detailed Description
Referring to fig. 4 to 14, a high-efficiency vertical frame sawing machine is shown, wherein a motor 2 is arranged below a base 1, an upper box seat 20 is arranged above the base 1, a sawing mechanism is arranged in the upper box seat 20, the sawing mechanism comprises a swinging seat 21, a saw frame 26, a frame saw bow 27 and a plurality of saw blades 28, the saw blades 28 are arranged on the frame saw bow 27 in parallel in a tensioning manner, two sides of the frame saw bow 27 are fixed in the saw frame 26, and two sliding blocks 23 of the saw frame 26 are sleeved on sliding rails 22 on two sides of the swinging seat 21.
The motor 2 drives the small belt pulley 3 to rotate, the small belt pulley 3 drives the large belt pulley 4 to rotate through the V-belt 19, the large belt pulley 4 is connected with a flywheel 5 through a main shaft 6, the flywheel 5 and the large belt pulley 4 are respectively connected to sliding blocks 23 on two sides of a frame saw bow 27 through a connecting rod 8, and the two connecting rods 8 drive the sliding blocks 23 on two sides of a saw frame 26 to move up and down on sliding rails 22 on two sides of a swing seat 21.
The middle part of the main shaft 6 is provided with a first chain wheel 7, a first connecting shaft 9 is arranged in the base 1 beside the main shaft 6, a second connecting shaft 13 and a third connecting shaft 18 are arranged in the upper box seat 20 above the first connecting shaft 9, the third connecting shaft 18 is arranged above the second connecting shaft 13, the first connecting shaft 9 is provided with a second chain wheel 10 and a third chain wheel 11, the second connecting shaft 13 is provided with a fourth chain wheel 14 and a first gear 12, the middle part of the third connecting shaft 18 is provided with a second gear 16, two ends of the second gear 16 are respectively provided with an eccentric disc 15, the first chain wheel 7 and the second chain wheel 10 are connected through a first chain 24, the third chain wheel 11 and the fourth chain wheel 14 are connected through a second chain 31, the first gear 12 is meshed with the second gear 16, the eccentric discs 15 are respectively connected with one ends of a small connecting rod 17, the other ends of the small connecting rods 17 are respectively connected to two side edges of the saw frame 26 near the bottom, the middle parts of two sides of the saw frame 26 are respectively provided with a central shaft 25 which is fixed on the upper box seat 20, the central shaft 25 is arranged on a support plate 29, and the upper box seat 20 is fixed on the support plate 29 through a support bolt.
When the saw frame is in operation, the motor 2 drives the main shaft 6 to rotate, the first chain wheel 7 on the main shaft 6 sequentially drives the second chain wheel 10, the third chain wheel 11, the first gear 12, the second gear 16 and the two eccentric discs 15, so that the two small connecting rods 17 are driven to drive the swinging seat 21 to swing around the central shaft 25 (the middle part of sawing materials) regularly, and the flywheel 5 and the large belt pulley 4 on two sides of the main shaft 6 drive the two connecting rods 8 to drive the saw frame 26 to move up and down.
The specific movement sequence is that the saw frame 26 moves downwards from top to bottom, then the swinging seat 21 drives the saw frame 26 to move left to right, the rear saw frame 26 moves upwards from bottom, then the swinging seat 21 drives the saw frame 26 to move left to right, and an 8-shaped movement track is completed, and the movement track is repeatedly moved according to the movement track.
In this embodiment, as shown in fig. 8, the upper half of the saw blade 28 has upper teeth near the upper end, the lower half has lower teeth near the lower end, and the upper and lower teeth in the middle alternate. When the motor 2 operates to drive the saw frame 26 to reciprocate up and down, the swing seat 21 swings left and right once, so that the saw frame 26 realizes an 8-shaped movement track, when the small connecting rod 17 rotates to a ① point through the eccentric disc 15, the swing seat 21 enables the saw blade 28 to be in a position a, namely, the saw blade 28 makes a saw cut to the upper right along a certain oblique angle, when the small connecting rod 17 rotates to a ② point through the eccentric disc 15, the swing seat 21 enables the saw blade 28 to be in a position b, namely, the saw blade 28 makes a saw cut to the lower right along a certain oblique angle, and therefore, the saw blade 28 realizes the 8-shaped movement track.
The saw blade is designed to have the saw teeth of the upper half part inclined upwards and the saw teeth of the lower half part inclined downwards, and the rest middle parts are arranged alternately up and down, and the moving rail of the saw blade is changed into 8 shape. The saw blade moves obliquely downwards and rightwards, at the moment, the lower half part of the saw blade saw cuts the lower half part (the shadow part in fig. 9) of the log, the saw dust is downwards discharged, and the saw teeth of the original upper half part are swung to the point b (fig. 11) by the swinging seat 21, so that the saw teeth leave the original saw cutting surface (fig. 9), and the saw dust of the saw teeth of the upper half part is instantaneously discharged. When the saw blade moves obliquely upwards and rightwards, the upper half part of the saw blade saw cuts the upper half part (the shadow part in fig. 10) of the log, the saw dust is upwards discharged, and the saw teeth of the original lower half part swing to the point a (fig. 9) due to the swing seat 21, so that the saw teeth leave the original saw cutting surface (fig. 10), and the saw dust of the saw teeth of the lower half part is instantaneously discharged. The saw blade then moves obliquely downward and rightward. The saw blade of the invention saw cuts the upper half part or the lower half part of the log respectively after each upward movement or downward movement, thereby improving the chip removal mode, reducing the requirement on mechanical stroke, greatly improving the working efficiency and greatly reducing the manufacturing complexity of the sawing equipment for large-diameter materials.
The above examples and drawings are not intended to limit the form or form of the present invention, and any suitable variations or modifications thereto by those skilled in the art should be construed as not departing from the scope of the present invention.
Claims (1)
1. The high-efficiency vertical frame sawing machine comprises a base, a motor, an upper box seat, a sawing mechanism and two eccentric link mechanisms, wherein the motor is arranged below the base, the upper box seat is arranged above the base, the sawing mechanism is arranged in the upper box seat, the sawing mechanism comprises a swinging seat, a saw frame, a frame type saw bow and a plurality of saw blades, the saw blades are installed on the frame type saw bow in parallel in a tensioning mode, two sides of the frame type saw bow are fixed in the saw frame, sliding blocks are arranged on two sides of the saw frame and matched with sliding rails on two sides of the swinging seat, the motor drives the two eccentric link mechanisms to drive the sliding blocks on two sides of the saw frame to move up and down on the sliding rails on two sides of the swinging seat, and the two eccentric link mechanisms are connected through a main shaft;
the device is characterized in that a first chain wheel is arranged on the main shaft, a transmission mechanism is further arranged on the base, the first chain wheel is connected with the transmission mechanism, the transmission mechanism is connected with one ends of two small connecting rods, the other ends of the two small connecting rods are respectively fixedly connected to two side edges of the swing seat close to the bottom, and central shafts are respectively arranged in the middle parts of two sides of the swing seat and are fixed on the upper box seat;
The transmission mechanism comprises a first connecting shaft, a second connecting shaft, a third connecting shaft, a second sprocket, a third sprocket, a fourth sprocket, a first chain, a second chain, a first gear, a second gear and two eccentric discs;
The base is internally provided with a first connecting shaft, the upper box seat above the first connecting shaft is internally provided with a second connecting shaft and a third connecting shaft, the third connecting shaft is arranged above the second connecting shaft, the first connecting shaft is provided with a second chain wheel and a third chain wheel, the second connecting shaft is provided with a fourth chain wheel and a first gear, the middle part of the third connecting shaft is provided with the second gear, two ends of the third connecting shaft are respectively provided with an eccentric disc, the first chain wheel and the second chain wheel are connected through a first chain, the third chain wheel and the fourth chain wheel are connected through a second chain, the first gear is meshed with the second gear, and the two eccentric discs are respectively connected with one end of a small connecting rod;
The motor drives the main shaft to do rotary motion, and a first sprocket on the main shaft sequentially drives the second sprocket, the third sprocket, the first gear, the second gear and the two eccentric discs, so as to drive the two small connecting rods to drive the swing seat to swing left and right;
the upper part of the saw blade is provided with upper teeth near the upper end, the lower part is provided with lower teeth near the lower end, and the middle part is provided with upper teeth and lower teeth which are alternately arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575490.8A CN113232096B (en) | 2021-05-26 | 2021-05-26 | A high-efficiency vertical frame saw machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110575490.8A CN113232096B (en) | 2021-05-26 | 2021-05-26 | A high-efficiency vertical frame saw machine |
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| Publication Number | Publication Date |
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| CN113232096A CN113232096A (en) | 2021-08-10 |
| CN113232096B true CN113232096B (en) | 2025-01-28 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110575490.8A Active CN113232096B (en) | 2021-05-26 | 2021-05-26 | A high-efficiency vertical frame saw machine |
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| Country | Link |
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| CN (1) | CN113232096B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115716288B (en) * | 2022-11-21 | 2023-09-26 | 常州机电职业技术学院 | A kind of mechanical automatic cutting equipment |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US735586A (en) * | 1902-10-06 | 1903-08-04 | Zephire Rabie | Saw. |
| US3322170A (en) * | 1965-03-19 | 1967-05-30 | Persson Gustaf Adolf | Gang saws |
| CN217454228U (en) * | 2021-05-26 | 2022-09-20 | 翁涵 | Efficient vertical frame saw |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US377630A (en) * | 1888-02-07 | Saw-mill | ||
| GB189803536A (en) * | 1898-02-12 | 1898-12-03 | Johannes Heyn | Improvements in Double-action Gang-saws. |
| US2726687A (en) * | 1952-04-19 | 1955-12-13 | Dominion Bridge Co Ltd | Oscillating and reciprocating mechanism for saws |
| RU2454317C1 (en) * | 2010-11-22 | 2012-06-27 | Кирилл Геннадьевич Кашкаров | Gang saw |
-
2021
- 2021-05-26 CN CN202110575490.8A patent/CN113232096B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US735586A (en) * | 1902-10-06 | 1903-08-04 | Zephire Rabie | Saw. |
| US3322170A (en) * | 1965-03-19 | 1967-05-30 | Persson Gustaf Adolf | Gang saws |
| CN217454228U (en) * | 2021-05-26 | 2022-09-20 | 翁涵 | Efficient vertical frame saw |
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| CN113232096A (en) | 2021-08-10 |
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