CN211414694U

CN211414694U - Wood polishing machine capable of automatically protecting abrasive belt during fracture

Info

Publication number: CN211414694U
Application number: CN201921588231.3U
Authority: CN
Inventors: 唐兰芳
Original assignee: Zhejiang Zhiduo Network Technology Co ltd
Current assignee: Heze Mingcheng Wood Industry Co ltd
Priority date: 2019-09-24
Filing date: 2019-09-24
Publication date: 2020-09-04
Anticipated expiration: 2029-09-24

Abstract

The utility model relates to a burnishing machine technical field, and disclose a timber burnishing machine of automatic protection when abrasive band breaks, the both sides sliding connection who goes up the box has the guide rail, the inside fixedly connected with ball of motor, one side fixedly connected with overhead gage that the top of driving shaft is close to the motor, antifriction bearing's inside is fixed to be pegged graft and is had the driven shaft, the abrasive band has been cup jointed with the surface of driving shaft to the driven shaft, go up the box and install the sensor transmitting terminal, the top of backup pad is connected with the sensor receiving terminal that corresponds with the sensor transmitting terminal. When the abrasive belt is broken, the motor starts to move to drive the ball screw to rotate, so that the upper box body moves upwards and is far away from the surface of a machined profile, the machined part is automatically far away when the abrasive belt is broken, early warning is carried out when the abrasive belt is worn or the abrasive belt is cheap at the original position, the tangent line of the driving shaft is the position which is most easily broken, and therefore the upper baffle is designed in an arc shape, and the safety coefficient is high.

Description

Wood polishing machine capable of automatically protecting abrasive belt during fracture

Technical Field

The utility model relates to a burnishing machine technical field specifically is a timber burnishing machine of automatic protection when abrasive band fracture.

Background

The wood polishing machine drives the abrasive belt arranged on the shaft to run at a high speed through the motor, and the abrasive belt rubs with the surface of the wood, so that burrs on the surface of the wood can be polished, the surface of the wood is smooth, the thickness of the wood can be polished according to needs, and the distance between the abrasive belt and the wood can be adjusted at any time during construction according to needs.

The wood polishing machine mainly adopts an abrasive belt to rub the surface of wood, and the wood being polished is stressed and changed after the abrasive belt is broken, so that the movement track is changed, and the interior of the polishing machine is easily damaged. The abrasive belt can not be stopped in time after being broken, is easy to be rolled by a shaft moving at high speed, and increases the difficulty of replacing the abrasive belt at the later stage while easily damaging equipment. Many wood polishers have abrasive belts exposed to the outside, and when the abrasive belt breaks, workers nearby are vulnerable to injury, and safety is low. The abrasive belt is mostly subjected to the phenomena of abrasion holes and abrasive belt deviation before fracture, and the judgment cannot be accurately carried out by workers after the fracture precursor occurs.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

The not enough to prior art, the utility model provides a timber burnishing machine of automatic protection when abrasive band fracture, the machined part is kept away from automatically when possessing abrasive band fracture, and factor of safety is high, and advantages such as abrasive band fracture early warning in advance have solved the fragile equipment in abrasive band fracture back, and factor of safety is low, can't accurately differentiate the problem of abrasive band fracture precursor.

(II) technical scheme

Automatically, keep away from the machined part when possessing the abrasive band fracture for realizing above-mentioned, factor of safety is high, and automatic judgement abrasive band has the premonition purpose of fracture, the utility model provides a following technical scheme: a wood polishing machine capable of automatically protecting when an abrasive belt is broken comprises an upper box body, wherein a guide rail is connected inside the upper box body in a sliding mode, a motor is movably mounted at the top end of the guide rail, a ball screw is fixedly connected inside the motor, the surface of the ball screw is connected with the upper box body, a driving shaft is rotatably connected inside the upper box body, an upper baffle is fixedly connected to one side, close to the motor, above the driving shaft, an upper baffle is fixedly connected to the bottom end of the upper box body, a rolling bearing is fixedly inserted inside the rolling bearing, a driven shaft is fixedly inserted into the inside of the rolling bearing, an abrasive belt is sleeved on the outer surfaces of the driven shaft and the driving shaft, a sensor transmitting end is fixedly connected inside the abrasive belt, a supporting plate is fixedly connected between the driving shaft and the rolling, the lower box body is rotatably connected with a transmission shaft.

Preferably, a brake mechanism is additionally arranged on a coupler between the motor and the ball screw, so that the self-locking function is better, and the distance between the upper box body and the lower box body is fixed.

Preferably, the connection relationship between the ball screw and the upper box body is fixed connection.

Preferably, the lower baffle is connected with the support plate through a bolt, so that a broken abrasive belt which is broken when the abrasive belt is broken can be effectively blocked.

Preferably, the upper baffle plate is connected with the upper box body through a bolt.

Preferably, the guide rail is fixedly connected to the workbench, and can be installed in different scenes according to different working conditions.

Preferably, the conveying shaft is connected with a motor through a conveying belt, and the motor is started to convey the wood to a working position.

Preferably, the tangent of the driving shaft is the position where the abrasive belt is most prone to fracture, so that the upper baffle is in an arc-shaped design.

(III) advantageous effects

Compared with the prior art, the utility model provides a timber burnishing machine of automatic protection when abrasive band breaks possesses following beneficial effect:

1. this automatic protection's wood polishing machine when abrasive band fracture transports the section bar through the conveying axle, and the abrasive band is polished it, and when damaged hole or abrasive band's position had taken place the skew in the abrasive band, the sensor receiving terminal received the signal that the sensor transmitting terminal transmitted, driving shaft and conveying axle stall this moment, and the motor begins to move and drives ball screw and rotate, makes the upper box body upwards remove, keeps away from processing section bar surface to automatic machined part of keeping away from when having reached the fracture, the advantage of abrasive band fracture early warning in advance.

2. The wood polishing machine capable of automatically protecting when the abrasive belt is broken can prevent the danger of injury to personnel when the lower end of the abrasive belt is broken through the lower baffle connected to the supporting plate. The tangent line department of driving shaft is the position that breaks most easily, so go up the baffle and adopted the arc design, install the baffle on the driving shaft to when effectual protection abrasive band broke, the broken abrasive band is to the damage of equipment such as sensor, and factor of safety is high.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a top view of the present invention;

FIG. 3 is a left side view of the structure of the present invention;

fig. 4 is a front view of the structure of the present invention.

In the figure: 1-guide rail, 2-ball screw, 3-motor, 4-driving shaft, 5-support plate, 6-upper box, 7-lower box, 8-rolling bearing, 9-driven shaft, 10-transmission shaft, 11-lower baffle, 12-sensor transmitting end, 13-upper baffle, 14-abrasive belt and 15-sensor receiving end.

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. 1-4, a wood polishing machine with an automatic protection function when an abrasive belt is broken comprises an upper box body 6, guide rails 1 are slidably connected to two sides of the upper box body 6, the guide rails 1 are fixedly connected to a workbench and can be installed in different scenes according to different working conditions, a motor 3 is movably installed at the top end of each guide rail 1, a ball screw 2 is fixedly connected inside each motor 3, the type of each motor 3 is 110s-M06030, and the rated torque is 6 n.m. The coupler between the motor 3 and the ball screw 2 is additionally provided with a band-type brake mechanism and has a better self-locking function, so that the distance between the upper box body 6 and the lower box body 7 is fixed, and the connection relation between the ball screw 2 and the upper box body 6 is fixedly connected. The inner part of the upper box body 6 is rotatably connected with a driving shaft 4, one side of the upper part of the driving shaft 4 close to the motor 3 is fixedly connected with an upper baffle 13, the tangent of the driving shaft 4 is the position where an abrasive belt 14 is most prone to fracture, the upper baffle 13 adopts an arc design, the upper baffle 13 is connected with the upper box body 6 through a bolt, the inner part of the upper box body 6 and the lower part of the driving shaft 4 are rotatably connected with a rolling bearing 8, the inner part of the rolling bearing 8 is fixedly inserted with a driven shaft 9, the outer surfaces of the driven shaft 9 and the driving shaft 4 are sleeved with the abrasive belt 14, a sensor transmitting end 12 is fixedly arranged on the upper box body 6 and positioned in the abrasive belt 14, a supporting plate 5 is fixedly connected on the upper box body 6 and positioned between the driving shaft 4 and the rolling bearing 8, the top of the supporting plate 5 is fixedly connected with a sensor receiving end 15, the light source is an infrared light emitting diode, and the response time is 10 ms-30 ms. The front and the back of the supporting plate 5 are both fixedly connected with a lower baffle 11, and the lower baffle 11 is connected with the supporting plate 5 through a bolt, so that a broken abrasive belt 14 which is broken when the abrasive belt 14 is broken can be effectively blocked. The bottom fixedly connected with of guide rail 1 is box 7 down, and the inside of box 7 rotates down and is connected with conveying axle 10, and conveying axle 10 passes through the conveyer belt to be connected with the motor, transports timber to operating position behind the starter motor.

The working principle is as follows: the conveying shaft 10 conveys the section bar, polishes the section bar through the abrasive belt 14, when the abrasive belt 14 is worn and damaged or the abrasive belt 14 deviates relative to the positions of the driving shaft 4 and the driven shaft 9, the sensor receiving end 15 receives a signal transmitted by the sensor transmitting end 12, the driving shaft 4 and the conveying shaft 10 stop rotating at the moment, and the motor 3 drives the ball screw 2 to rotate, so that the upper box body 6 moves upwards and is far away from the surface of the processed section bar. Considering that the tangent of the driving shaft 4 is the most easily broken part, the upper baffle 13 is designed in an arc shape, the upper baffle 13 is connected to the upper box 6 through bolts and positioned above the driving shaft 4, and the lower baffle 11 is connected to the support plate 5 through bolts.

To sum up, when the abrasive belt 14 is damaged, broken or deviated, the sensor receiving end 15 receives a signal and transmits the signal to the motor 3, so as to drive the ball screw 2 to move, drive the upper box 6 to process the surface of the section bar according to the principle that the upper box is stable and quick, and the wood polishing machine capable of automatically protecting when the abrasive belt is broken has the advantages that the machined part is automatically kept away when the equipment is broken, and the breakage is early warned. Due to the arc-shaped design of the upper baffle 13, the damage to equipment such as a human body and a sensor receiving end 15 caused by centrifugal force caused by the broken abrasive belt 14 is effectively prevented, and the safety factor is high.

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

1. The utility model provides a timber burnishing machine of automatic protection when abrasive band breaks, includes box (6), its characterized in that: the left side and the right side of the upper box body (6) are both connected with a guide rail (1) in a sliding manner, the top end of the guide rail (1) is movably provided with a motor (3), a ball screw (2) is fixedly connected inside the motor (3), a driving shaft (4) is rotatably connected inside the upper box body (6), an upper baffle (13) is fixedly connected above the driving shaft (4) and on one side close to the motor (3), a rolling bearing (8) is rotatably connected inside the upper box body (6) and below the driving shaft (4), a driven shaft (9) is fixedly inserted inside the rolling bearing (8), an abrasive belt (14) is sleeved between the driven shaft (9) and the outer surface of the driving shaft (4), a sensor transmitting end (12) is fixedly arranged on the upper box body (6) and inside the abrasive belt (14), and a supporting plate (5) is fixedly connected on the upper box body (6) and between the driving shaft (4) and the rolling bearing, the top fixedly connected with of backup pad (5) and sensor receiving terminal (15) that sensor transmitting terminal (12) correspond, baffle (11) under the equal fixedly connected with in front and the back of backup pad (5), box (7) under the bottom fixedly connected with of guide rail (1), the inside of lower box (7) rotates and is connected with conveying axle (10).

2. A wood polisher with automatic protection at belt break according to claim 1 characterized by: and a band-type brake mechanism is arranged on a coupler between the motor (3) and the ball screw (2).

3. A wood polisher with automatic protection at belt break according to claim 1 characterized by: the connection relation between the ball screw (2) and the upper box body (6) is fixed connection.

4. A wood polisher with automatic protection at belt break according to claim 1 characterized by: the lower baffle (11) is connected with the support plate (5) through bolts.

5. A wood polisher with automatic protection at belt break according to claim 1 characterized by: the upper baffle (13) is connected with the upper box body (6) through bolts.

6. A wood polisher with automatic protection at belt break according to claim 1 characterized by: the guide rail (1) is fixedly connected to the workbench.

7. A wood polisher with automatic protection at belt break according to claim 1 characterized by: the transmission shaft (10) is driven by a transmission belt and a motor.