CN219213398U

CN219213398U - Novel upper guide mechanism of woodworking band sawing machine

Info

Publication number: CN219213398U
Application number: CN202222471249.3U
Authority: CN
Inventors: 朱子辰
Original assignee: Qingdao Huabaowei Cnc Technology Co ltd
Current assignee: Qingdao Huabaowei Cnc Technology Co ltd
Priority date: 2022-09-19
Filing date: 2022-09-19
Publication date: 2023-06-20
Anticipated expiration: 2032-09-19

Abstract

The utility model provides an upper guide mechanism of a novel woodworking band saw machine, which comprises an upper conductor, a longitudinal guide unit and a transverse guide unit; the longitudinal guide unit comprises an eccentric shaft, a shaft fixing piece and a locking handle I, wherein one end of the eccentric shaft penetrates through a through hole in the upper part of the upper conductor and then is connected with the shaft fixing piece on the other side of the upper conductor, and the locking handle I is used for locking the eccentric shaft; the transverse guiding unit comprises a first sliding block, a second sliding block and an adjusting handle, wherein the first sliding block and the second sliding block are connected with an upper conductor in parallel, two sides of the upper conductor are respectively connected with the adjusting handle, and circumferential protrusions on the adjusting handle are located in vertical grooves of the first sliding block and the second sliding block. According to the upper guide mechanism provided by the utility model, the longitudinal guide unit with the eccentric structure and the transverse guide unit with the sliding block structure are arranged, so that the upper guide mechanism is simple and compact in structure and convenient to adjust, can realize quick adjustment, and has low cost and larger cost advantage than the existing structure.

Description

Novel upper guide mechanism of woodworking band sawing machine

Technical Field

The utility model belongs to the technical field of wood processing equipment, and particularly relates to an upper guide mechanism of a novel woodworking band saw.

Background

Band sawing machines are common equipment in woodworking machines, and endless band saw blades are wound on two saw wheels to make unidirectional continuous rectilinear motion to saw timber. Band sawing machines are widely applied in the wood industry, have various machine types and can be divided into: large band saw, re-cutting band saw and joiner band saw; the arrangement direction of the saw wheel is divided into: vertical, horizontal and inclined, wherein vertical can be further divided into: left and right.

The vertical band saw structurally comprises a machine body assembly 1, a material baffle assembly 2, a saw blade tensioning assembly 3, a saw blade guiding mechanism assembly 4, a transmission system assembly 5, a workbench assembly 6, a bottom box assembly 7 and the like, as shown in fig. 1. The saw blade guiding mechanism assembly 4 comprises an upper guiding mechanism and a lower guiding mechanism which are respectively positioned at the upper side and the lower side of the workbench and are important components of the woodworking band saw machine, and the upper guiding mechanism and the lower guiding mechanism are used for transversely and longitudinally positioning the saw blade and keeping the stability of the saw blade in the working process.

Among the current guiding mechanism on the saw blade, horizontal and vertical guiding element adopt bearing cylindrical surface guide structure more, through the clearance between adjustment bearing cylindrical surface and the saw blade, carry out spacingly to the saw blade, keep the saw blade job stabilization, but the structure of current horizontal and vertical guiding element exists that bulky, structure is complicated and the cost is higher defect, inconvenient use and regulation.

Disclosure of Invention

The utility model aims to overcome the defects in the prior art and provides the novel upper guide mechanism of the woodworking band saw machine, which has the advantages of simple and compact structure and low cost and can realize rapid adjustment.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows:

an upper guide mechanism of a novel woodworking band saw comprises an upper conductor, a longitudinal guide unit and a transverse guide unit; the longitudinal guide unit comprises an eccentric shaft, a shaft fixing piece and a locking handle I, wherein one end of the eccentric shaft penetrates through a through hole in the upper part of the upper conductor and then is connected with the shaft fixing piece on the other side of the upper conductor, and the locking handle I is used for locking the eccentric shaft; the transverse guiding unit comprises a first sliding block, a second sliding block and an adjusting handle, wherein the first sliding block and the second sliding block are connected with an upper conductor in parallel, two sides of the upper conductor are respectively connected with the adjusting handle, and circumferential protrusions on the adjusting handle are located in vertical grooves of the first sliding block and the second sliding block.

Furthermore, the transverse guiding unit further comprises a sleeve and a locking handle II, and grooves are formed in the first sliding block and the second sliding block; and the second locking handle sequentially penetrates through the sleeve and the groove and is connected with the upper conductor.

Further, the upper guide mechanism also comprises a long guide shaft, and the long guide shaft is respectively connected with the upper conductor and the machine body of the woodworking band saw machine.

Further, the upper conductor is provided with a round hole matched with the long guide shaft, and the long guide shaft and the upper conductor are fixed into a whole through a set screw.

Further, the shaft fixing piece comprises a rotary cap and a bearing, the inner circle of the rotary cap is in interference fit with the outer circle of the bearing, and the rotary cap and the bearing are combined into a whole and then connected with the eccentric shaft.

Further, the tail end of the eccentric shaft is provided with a straight knurling structure.

Further, the groove is a square groove.

Further, the adjusting handle is connected with the upper conductor through threaded fit.

Further, a U-shaped groove is formed in one side, far away from the woodworking band saw machine body, of the lower conductor, and the first sliding block and the second sliding block are connected with the U-shaped groove in a matched mode.

Further, the first locking handle is arranged on one side of the upper part of the upper conductor.

Compared with the prior art, the utility model has the advantages that: the utility model provides a novel upper guide mechanism of a woodworking band saw, which is simple and compact in structure and convenient to adjust by arranging a longitudinal guide unit with an eccentric structure and a transverse guide unit with a sliding block structure, can realize quick adjustment, and has low cost and larger cost advantage than the existing structure.

Drawings

FIG. 1 is a schematic view of a vertical band saw machine.

FIG. 2 is a schematic view of the structure of the upper guide mechanism of the woodworking band saw of example 1.

FIG. 3 is an exploded view of the guide mechanism of the woodworking band saw of example 1.

In the figure, 1, a machine body assembly; 2. a material baffle assembly; 3. saw blade tensioning assembly; 4. saw blade guiding mechanism assembly; 5. a drive train assembly; 6. a workbench assembly; 7. a bottom box assembly; 8. an upper conductor; 9. a longitudinal guide unit; 10. a lateral guide unit; 11. a set screw, 12, long guide shaft; 13. an eccentric shaft; 14. a bearing; 15. a cap is screwed; 16. a locking handle I; 17. an adjustment handle; 18. saw blade; 19. a first sliding block; 20. a second slide block; 21. sleeving; 22. and locking the second handle.

Detailed Description

The technical solution of the present utility model will be further described in detail with reference to the accompanying drawings and the detailed description, but the scope of the utility model is not limited to the scope expressed by examples.

Example 1

Referring to fig. 1 to 3, the present embodiment provides a novel upper guiding mechanism of a woodworking band saw machine, which includes an upper conductor 8, a longitudinal guiding unit 9 and a transverse guiding unit 10.

The longitudinal guiding unit 9 consists of an eccentric shaft 13, a bearing 14, a screw cap 15 and a locking handle I16. Wherein, the inner circle of the rotary cap 15 is in interference fit with the outer circle of the bearing 14, and is assembled into a whole and then is arranged on the eccentric shaft 13, and the eccentric shaft 13 passes through the through hole arranged on the upper conductor 8 and is locked by the locking handle I16. The tail end of the eccentric shaft 13 is provided with a straight knurling structure, so that the manual rotation is convenient.

The transverse guiding unit 10 consists of an adjusting handle 17, a first sliding block 19, a second sliding block 20, a sleeve 21 and a second locking handle 22. The second locking handle 22 sequentially passes through square grooves formed in the sleeve 21, the first sliding block 19 and the second sliding block 20 and then is in threaded fit with the upper conductor 8 to lock the sliding blocks.

The adjusting handle 17 is connected with the upper conductor 8 through threaded fit, circumferential protrusions on the adjusting handle 17 are arranged in vertical grooves formed in the first slide block 19 and the second slide block 20, and the sliding blocks can be driven to move transversely by rotating the adjusting handle 17.

The upper conductor 8 is provided with a round hole matched with the long guide shaft 12, the long guide shaft 12 and the upper conductor 8 are fixed into a whole through a set screw 11, and the saw blade upper guide mechanism is integrally connected with the machine body through the long guide shaft 12 and can move up and down relative to the machine body and the workbench.

The specific adjustment process of the saw blade upper guide mechanism is as follows:

1. the upper guide mechanism of the woodworking band saw machine is connected with the machine body through a long guide shaft 12, the upper conductor 8 is fixed relative to the saw blade 18, and the eccentric shaft 13 is rotated and moved according to the width of the saw blade to drive the bearing 14 and the rotary cap 15 to longitudinally move until contacting with the saw blade 18;

2. the adjusting handle 17 is rotated, the first slide block 19 and the second slide block 20 are transversely displaced under the thrust action of the adjusting handle 17 until a preset gap is reserved between the first slide block and the saw blade 18, the second locking handle 22 is rotated, and the first slide block 19 and the second slide block 20 are tightly contacted with the upper conductor 8 through the pressure of the sleeve 21 so as to be fixed.

The above cases represent only the technical solution of the present utility model, not the limitation of the experiment, and although we improve the experimental solution, the scientific researchers in the same field can still further improve the experimental solution described above or scientifically and equivalently replace the experimental links, and the changes do not deviate the essence of the corresponding technical solution from the spirit and scope of the technical solution claimed by the present utility model.

Claims

1. The novel upper guide mechanism of the woodworking band saw machine is characterized by comprising an upper conductor, a longitudinal guide unit and a transverse guide unit; the longitudinal guide unit comprises an eccentric shaft, a shaft fixing piece and a locking handle I, wherein one end of the eccentric shaft penetrates through a through hole in the upper part of the upper conductor and then is connected with the shaft fixing piece on the other side of the upper conductor, and the locking handle I is used for locking the eccentric shaft; the transverse guiding unit comprises a first sliding block, a second sliding block and an adjusting handle, wherein the first sliding block and the second sliding block are connected with an upper conductor in parallel, two sides of the upper conductor are respectively connected with the adjusting handle, and circumferential protrusions on the adjusting handle are located in vertical grooves of the first sliding block and the second sliding block.

2. The upper guide mechanism of the novel woodworking band saw machine according to claim 1, wherein the transverse guide unit further comprises a sleeve and a locking handle II, and grooves are formed in the first sliding block and the second sliding block; and the second locking handle sequentially penetrates through the sleeve and the groove and is connected with the upper conductor.

3. The upper guide mechanism of the novel woodworking band saw machine according to claim 1, wherein the upper guide mechanism further comprises a long guide shaft, and the long guide shaft is respectively connected with the upper conductor and the machine body of the woodworking band saw machine.

4. The upper guide mechanism of the novel woodworking band saw machine according to claim 3, wherein the upper conductor is provided with a round hole matched with the long guide shaft, and the long guide shaft and the upper conductor are fixed into a whole through a set screw.

5. The upper guide mechanism of the novel woodworking band saw machine according to claim 1, wherein the shaft fixing piece comprises a rotary cap and a bearing, the inner circle of the rotary cap is in interference fit with the outer circle of the bearing, and the rotary cap and the bearing are combined into a whole and then connected with the eccentric shaft.

6. The guide mechanism for a novel woodworking band saw machine according to claim 5, wherein the end of the eccentric shaft is provided with a straight knurl structure.

7. The novel upper guide mechanism for a woodworking band saw machine according to claim 2, wherein the groove is a square groove.

8. The upper guide mechanism of the novel woodworking band saw machine according to claim 1, wherein the adjusting handle is connected with the upper conductor through a threaded fit.

9. The upper guide mechanism of the novel woodworking band saw machine according to claim 1, wherein a U-shaped groove is formed in one side, away from a woodworking band saw machine body, of the upper conductor, and the first sliding block and the second sliding block are connected with the U-shaped groove in a matched mode.