CN209111209U - A lower axle of a numerically controlled band saw machine - Google Patents

Abstract

The utility model discloses a kind of lower wheel shafts of numerical control band saw, including lower whorl shaft body and saw wheel, the saw wheel is set in lower whorl shaft body, the saw wheel two sides are fixedly connected to fixed plate, and the fixed plate is located at lower whorl shaft body rear end face, movable block is equipped between the fixed plate and lower whorl shaft body, the fixed plate is equipped with fixing screws far from lower whorl shaft body side, the fixing screws pass through fixed plate, and it is fixedly connected with movable block, pass through the setting of threaded rod and nut, so that the position-adjustable of movable block, so that lower wheel shaft can fix the saw wheel of different model size, so that lower wheel shaft can be installed according to need the saw wheel of certain model；Caton phenomenon is avoided the occurrence of so that movable block is more stable when moving horizontally by the setting that gag lever post and first are perforated, ensures being normally carried out for operation.

Description

A lower axle of a numerically controlled band saw machine

technical field

The utility model relates to a lower wheel shaft, in particular to a lower wheel shaft of a numerically controlled band saw machine.

Background technique

CNC band saw machine is a mechanized processing equipment widely used in the processing of wood, glue, plexiglass or iron plate. It is too simple, that is, the stability is poor, and it is easy to cause unnecessary security risks.

Utility model content

The technical problem solved by the utility model is to overcome the defects of the prior art such as poor stability and certain potential safety hazards, and to provide a lower axle of a numerically controlled band saw machine. The lower axle of the numerically controlled band saw has the characteristics of high stability, avoiding certain safety hazards, and the like.

In order to achieve the above purpose, the utility model provides the following technical solutions: a lower axle of a numerically controlled band saw machine, comprising a lower axle body and a saw wheel, the saw wheel is sleeved on the lower axle body, and both sides of the saw wheel are fixed A fixing plate is connected, and the fixing plate is located on the rear end surface of the lower axle body, a movable block is arranged between the fixing plate and the lower axle body, and a fixing screw is arranged on the side of the fixing plate away from the lower axle body, and the fixing The screw passes through the fixing plate and is fixedly connected with the movable block. The lower axle body is provided with a slot that matches with the movable block at both sides, and the movable block extends to the inner cavity of the slot on the side away from the fixing plate. , the slotted inner cavity is provided with two limit rods placed horizontally, and the two limit rods are arranged up and down, the movable block is provided with a first perforation that matches the limit rods, the One end of the limit rod passes through the first through hole, both ends of the limit rod are fixedly connected to both sides of the inner wall of the slot, and both ends of the lower axle body are provided with hand wheels, and the hand wheels are close to one side of the lower axle body A threaded rod is fixedly connected, the inner cavity of the movable block is provided with a second perforation, the inner cavity of the second perforation is fixedly connected with a nut that matches with the threaded rod, and both sides of the movable block are provided with a threaded rod to match each other. The two bearings are fixedly connected to the side wall of the slotted cavity respectively, the end of the threaded rod away from the handwheel passes through one of the bearings and the nut, and is inserted into the other bearing cavity, the threaded rod between the two limit bars.

Preferably, the two fixing plates are arranged symmetrically on the left and right with the center of the lower axle body as the center line.

Preferably, the fixing plate is provided with screw holes matching with the fixing screws.

Preferably, the outer edge of the handwheel is covered with a non-slip rubber cover.

Preferably, the outer edge of the limit rod is polished.

Compared with the prior art, the beneficial effects of the present utility model are:

1. Through the setting of threaded rod and nut, the position of the movable block can be adjusted, so that the lower axle can fix saw wheels of different sizes, so that the lower axle can install certain types of saw wheels according to needs;

2. Through the setting of the limit rod and the first perforation, the movable block is more stable when it moves horizontally, so as to avoid the stuck phenomenon and ensure the normal operation.

Description of drawings

Fig. 1 is the structural representation of the utility model;

Fig. 2 is the top view of the utility model;

FIG. 3 is an enlarged view of A in FIG. 1 .

Labels in the figure: 1. Lower axle body; 2. Saw wheel; 3. Fixed plate; 4. Active block; 5. Slotting; 6. Limit rod; 7. First through hole; rod; 10, bearing; 11, nut; 12, fixing screw; 13, screw hole; 14, second perforation.

Detailed ways

The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all the implementations. example. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative work fall within the protection scope of the present invention.

1-3, the present utility model provides a technical solution: a lower axle of a numerically controlled band saw machine, comprising a lower axle body 1 and a saw wheel 2, the saw wheel 2 is sleeved on the lower axle body 1, and the saw wheel 2 Both sides are fixedly connected with a fixed plate 3, and the fixed plate 3 is located on the rear end surface of the lower axle body 1, and the two fixed plates 3 are arranged symmetrically on the left and right with the center of the lower axle body 1 as the center line, so that the saw wheel 2 is stressed when it is fixed. More uniform, so that the stability is higher, a movable block 4 is arranged between the fixing plate 3 and the lower axle body 1, and a fixing screw 12 is arranged on the side of the fixing plate 3 away from the lower axle body 1, and the fixing screw 12 passes through the fixing plate 3 , and is fixedly connected with the movable block 4, the fixing plate 3 is provided with a screw hole 13 that matches with the fixing screw 12, and the lower axle body 1 is provided with a slot 5 that matches with the movable block 4 on both sides near the The side of the block 4 away from the fixed plate 3 extends to the inner cavity of the slot 5, and the inner cavity of the slot 5 is provided with two limit rods 6 placed horizontally, and the two limit rods 6 are arranged up and down, and the movable block 4 is provided with The first through hole 7 is matched with the limit rod 6, one end of the limit rod 6 passes through the first through hole 7, both ends of the limit rod 6 are fixedly connected to both sides of the inner wall of the slot 5, and the outer edge of the limit rod 6 is polished The purpose of this setting is to reduce the friction on the surface of the limit rod 6 and facilitate the movement of the movable block 4. Both ends of the lower axle body 1 are provided with handwheels 8, and the outer edges of the handwheels The friction force on the surface of the wheel 8 is convenient for the operator to use. A threaded rod 9 is fixedly connected to the side of the hand wheel 8 close to the lower axle body 1. The inner cavity of the movable block 4 is provided with a second through hole 14, and the inner cavity of the second through hole 14 is fixedly connected with a The nut 11 that matches with the threaded rod 9, the two sides of the movable block 4 are provided with bearings 10 that match the threaded rod 9, the two bearings 10 are fixedly connected to the side wall of the inner cavity of the slot 5, and the threaded rod 9 is far away from the hand. One end of the wheel 8 passes through one of the bearings 10 and the nut 11 , and is inserted into the inner cavity of the other bearing 10 , and the threaded rod 9 is located between the two limit rods 6 .

Working principle: When in use, first put the saw wheel 2 on the lower axle body 1, and then adjust the position of the movable block 4 through the handwheels 8 on both sides of the lower axle body 1. The handwheel 8 drives the threaded rod 9 to the bearing 10. And the inner cavity of the nut 11 rotates, the nut 11 drives the movable block 4 to move relative to the threaded rod 9 under the action of the thread, and the movable block 4 moves on the limit rod 6 at the same time. Stop turning the hand wheel 8 , and then fix the fixed plate 3 and the movable block 4 with the fixing screws 12 , so as to fix the saw wheel 2 .

Although the embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes and modifications can be made to these embodiments without departing from the principles and spirit of the present invention , alternatives and modifications, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (5)

1. A lower axle of a numerically controlled band saw machine, comprising a lower axle body (1) and a saw wheel (2), the saw wheel (2) being sleeved on the lower axle body (1), characterized in that: the saw Both sides of the wheel (2) are fixedly connected with a fixing plate (3), and the fixing plate (3) is located on the rear end surface of the lower axle body (1), between the fixing plate (3) and the lower axle body (1). A movable block (4) is provided, and a fixing screw (12) is provided on the side of the fixing plate (3) away from the lower axle body (1), and the fixing screw (12) passes through the fixing plate (3) and is connected with the movable The block (4) is fixedly connected, and the lower axle body (1) is provided with a slot (5) matching with the movable block (4) near both sides, and the movable block (4) is far away from the fixed plate (3). ) one side extends to the inner cavity of the slot (5), the inner cavity of the slot (5) is provided with two limit rods (6) placed horizontally, and the two limit rods (6) are arranged up and down , the movable block (4) is provided with a first through hole (7) matching with the limit rod (6), one end of the limit rod (6) passes through the first through hole (7), the limit Both ends of the rod (6) are fixedly connected to both sides of the inner wall of the slot (5). Both ends of the lower axle body (1) are provided with handwheels (8), and the handwheel (8) is close to the lower axle body ( 1) A threaded rod (9) is fixedly connected to one side, the inner cavity of the movable block (4) is provided with a second through hole (14), and the inner cavity of the second through hole (14) is fixedly connected to the threaded rod (9). Nuts (11) that match each other, bearings (10) matched with the threaded rods (9) are provided on both sides of the movable block (4), and the two bearings (10) are respectively fixedly connected to the slots (5). ) on the side wall of the inner cavity, the end of the threaded rod (9) away from the hand wheel (8) passes through one of the bearings (10) and the nut (11), and is inserted into the inner cavity of the other bearing (10), the The threaded rod (9) is located between the two limit rods (6). 2 . The lower axle of a numerically controlled band saw machine according to claim 1 , wherein the two fixing plates ( 3 ) are arranged symmetrically with the center of the lower axle body ( 1 ) as the center line. 3 . 3 . The lower axle of a numerically controlled band saw machine according to claim 1 , wherein the fixing plate ( 3 ) is provided with screw holes ( 13 ) matching with the fixing screws ( 12 ). 4 . 4 . The lower axle of a numerically controlled band saw machine according to claim 1 , wherein the outer edge of the hand wheel ( 8 ) is covered with a non-slip rubber sleeve. 5 . 5 . The lower axle of a numerically controlled band saw machine according to claim 1 , wherein the outer edge of the limit rod ( 6 ) is polished. 6 .