CN215615504U

CN215615504U - Saw disc cutting angle adjusting and locking mechanism

Info

Publication number: CN215615504U
Application number: CN202122069278.2U
Authority: CN
Inventors: 姜占元; 王梦凡
Original assignee: Wuxi Yuanyida Technology Co ltd
Current assignee: Wuxi Yuanyida Technology Co ltd
Priority date: 2021-08-30
Filing date: 2021-08-30
Publication date: 2022-01-25
Anticipated expiration: 2031-08-30

Abstract

The utility model discloses a saw disc cutting angle adjusting and locking mechanism, which is applied to the field of metal cutting, and the technical scheme is as follows: the saw disc cutting angle adjusting and locking mechanism comprises a saw disc assembly and a driving mechanism in driving connection with the saw disc assembly; the driving mechanism comprises an installation disc, at least two locking mechanisms are arranged on the installation disc, each locking mechanism comprises a middle shaft, a transmission gear is fixedly sleeved on the middle shaft, and the middle shaft penetrates through the installation disc downwards and drives the locking mechanisms to rotate on the installation disc through the transmission gear; the end part of the middle shaft penetrating through the mounting disc is provided with a locking block, and two diagonal ends of the locking block are provided with locking surfaces for ensuring locking stability; has the technical effects that: the rotating disc is driven to rotate by the driving motor to drive the saw disc to rotate, so that the cutting angle is controlled, meanwhile, a locking mechanism for fixing the saw disc is added, the rotating disc can be locked at any position through a specially designed locking block, the structure is simple, and the equipment cost is low.

Description

Saw disc cutting angle adjusting and locking mechanism

Technical Field

The utility model relates to the field of metal cutting, in particular to a saw disc cutting angle adjusting and locking mechanism.

Background

The Chinese invention patent with the current publication number of CN103372681A discloses: a CNC disc automatic rotating angle circular sawing machine is characterized in that a feeding device and a sawing device are arranged at the upper end of a base of the CNC disc automatic rotating angle circular sawing machine, the sawing device comprises a base, a disc and a sawing component arranged above the disc, an automatic rotating angle device is arranged below the disc and is in driving connection with the disc, and a rotating angle servo motor is arranged on the automatic rotating angle device; the automatic corner device comprises a rotary support, a planetary reducer, a corner pinion arranged at the power output end of the planetary reducer and a corner big gear meshed with the corner pinion, the power output end of a corner servo motor is connected with the power input end of the planetary reducer, and the planetary reducer is arranged on the base.

This kind of traditional circular sawing machine that can automatic corner, automatic corner device structure is complicated, is unfavorable for the installation and debugging, after the circular sawing machine rotated the target angle, relies on the motor to carry out the stability of angle to it, and this kind of mode of stabilizing the circular sawing machine angle can shorten the life of motor, and simultaneously, the angle of saw dish can change after the cutting atress, can reduce the precision of cutting.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a saw disc cutting angle adjusting and locking mechanism which has the advantage that the cutting angle of a saw disc can be automatically locked after the saw disc is adjusted to a target angle.

The technical purpose of the utility model is realized by the following technical scheme:

the saw disc cutting angle adjusting and locking mechanism comprises a saw disc assembly and a driving mechanism in driving connection with the saw disc assembly; the driving mechanism comprises an installation disc, at least two locking mechanisms are arranged on the installation disc, each locking mechanism comprises a middle shaft, a transmission gear is fixedly sleeved on the middle shaft, and the middle shaft penetrates through the installation disc downwards and drives the locking mechanisms to rotate on the installation disc through the transmission gear; the end part of the middle shaft penetrating through the mounting disc is provided with a locking block, and two diagonal ends of the locking block are provided with locking surfaces used for guaranteeing locking stability.

Through the technical scheme: the driving mechanism is used for driving the saw disc assembly to rotate, after the saw disc assembly rotates to a target angle, the locking mechanism fixes the saw disc assembly to the current position, and the locking block arranged on the locking mechanism is matched with the locking surface to increase pressure at the fixed angle, so that the saw disc assembly is prevented from continuously rotating.

The utility model is further configured to: the driving mechanism further comprises a rotating disc, a round rail is arranged in the middle of the rotating disc, at least two limiting sliding blocks are arranged below the mounting disc, and the mounting disc is rotatably connected with the rotating disc through the limiting sliding blocks.

Through the technical scheme: the rolling disc is used for driving the saw disc assembly to rotate, and after the limiting blocks are installed in the circular rails, the rotating stability of the rolling disc can be guaranteed.

The utility model is further configured to: the middle part of mounting disc is provided with the mounting panel, the one end that the mounting panel extends the mounting disc is provided with driving motor, the one end of wearing the mounting panel under driving motor's the axis of rotation is provided with drive gear.

The utility model is further configured to: the outside of circular orbit is provided with the drive tooth row, after the mounting disc is connected with the rolling disc, drive gear and drive tooth row meshing are connected.

Through the technical scheme: the driving motor drives the driving gear row to drive the rotating disc to rotate through the driving gear, so that the saw disc assembly is driven to rotate.

The utility model is further configured to: be provided with the fixed block on the mounting panel, the both sides of fixed block are fixed respectively and are provided with the cylinder, the below that lies in the cylinder on the mounting disc slides and is provided with the drive tooth piece, the drive tooth piece pass through the connecting rod with the telescopic link of cylinder is connected.

Through the technical scheme: the cylinder is used for driving the driving tooth block to slide along the telescopic direction of the telescopic rod of the driving tooth block.

The utility model is further configured to: and racks are respectively arranged at two ends of the driving gear block and are meshed and connected with the transmission gear.

Through the technical scheme: when the cylinder drives the driving gear block to slide, the rack can drive the transmission gear to rotate, and therefore the angle of the locking block at the position in the circular rail is changed.

The utility model is further configured to: and a connecting cylinder is arranged below the rotating disc, and the rotating disc drives the saw disc assembly to rotate through the connecting cylinder.

Through the technical scheme: the connecting cylinder can stably connect the saw disc assembly to the rotating disc and drive the saw disc assembly to rotate to a target angle when the rotating disc rotates.

In conclusion, the utility model has the following beneficial effects:

the rotating disc is driven to rotate by the driving motor to drive the saw disc to rotate, so that the cutting angle is controlled, the locking mechanism for fixing the saw disc is added, the rotating disc can be locked at any position by the aid of the specially designed locking block, the structure is simple, equipment cost is low, the situation that the driving motor is not stressed when the saw disc is cut can be achieved, and the service life of the motor can be prolonged.

Drawings

FIG. 1 is an exploded view of the mechanism of the present embodiment;

FIG. 2 is a schematic view of the entire mechanism of the present embodiment;

FIG. 3 is a schematic sectional view of the drive mechanism of the present embodiment;

fig. 4 is a schematic view of the locking mechanism of the present embodiment.

Reference numerals: 1. a saw disc assembly; 2. a drive mechanism; 21. mounting a disc; 22. a locking mechanism; 221. a middle shaft; 222. a transmission gear; 223. a locking block; 224. a locking surface; 23. rotating the disc; 231. a circular rail; 211. a limiting slide block; 232. grooving; 233. a drive gear row; 234. a connecting cylinder; 24. mounting a plate; 241. a drive motor; 242. a drive gear; 243. a fixed block; 244. a cylinder; 245. a drive block; 246. a rack.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, 2 and 4, the saw disc cutting angle adjusting and locking mechanism comprises a saw disc assembly 1 and a driving mechanism 2 in driving connection with the saw disc assembly 1; the driving mechanism 2 comprises a mounting disc 21, four locking mechanisms 22 are symmetrically arranged on the mounting disc 21, each locking mechanism 22 comprises a middle shaft 221, a transmission gear 222 is fixedly sleeved on the middle shaft 221, the mounting disc 21 penetrates through the middle shaft 221 downwards, and the transmission gear 222 can drive the locking mechanism 22 to rotate on the mounting disc 21 through the middle shaft 221; the end of the middle shaft 221 passing through the mounting disc 21 is provided with a locking block 223, the side of the locking block 223 has a certain radian, two ends of the diagonal line of the locking block 223 are provided with locking surfaces 224 used for ensuring locking stability, and when the transmission gear 222 drives the locking mechanism 22 to rotate, the position of the locking block 223 can be changed by the middle shaft, so that the position of the locking surface 224 can be changed.

Referring to fig. 1, 3 and 4, the driving mechanism 2 further includes a rotating disc 23, a circular rail 231 is disposed in the middle of the rotating disc 23, the outer diameter of the circular rail 231 is the same as the outer diameter of the mounting disc 21, the circular rail 231 is an inverted T-shaped sliding groove, a slot 232 for mounting the central shaft 221 and the locking block 223 into the circular rail 231 is disposed on a side edge of the circular rail, the locking block 223 is slidably connected with the rotating disc 23 through the circular rail 231, when the locking block 223 rotates 45 degrees in the same direction as the rotating disc, the locking surface 224 can be attached to the inner wall of the circular rail 231, so as to lock the rotating disc 23, at least two limiting sliders 211 are disposed below the mounting disc 21, the limiting sliders 211 have the same arc as the circular rail 231, the limiting sliders 211 are slidably mounted in the circular rail 231 in a fit manner, the mounting disc 21 is rotatably connected with the rotating disc 23 through the limiting sliders 211, a connecting shaft is further disposed in the middle of the mounting disc 21, and fixedly connected with a bearing disposed in the middle of the rotating disc 23 after the connecting shaft penetrates the mounting disc 21, when the rotating disc 23 rotates relative to the mounting disc 21, the connecting shaft can ensure that the upper position and the lower position of the rotating disc 23 cannot be changed, the limiting sliding block 211 can ensure that the rotating disc 23 can rotate stably, the connecting cylinder 234 is arranged below the rotating disc 23, and the rotating disc 23 drives the saw disc assembly 1 to rotate through the connecting cylinder 234.

Referring to fig. 1, a mounting plate 24 is disposed in the middle of a mounting plate 21, a driving motor 241 is disposed at one end of the mounting plate 24, which extends out of the mounting plate 21, a driving gear 242 is disposed at one end of a rotating shaft of the driving motor 241, which penetrates through the mounting plate 24, a driving gear 233 is disposed outside a circular rail 231, the length of the driving gear 233 is one third of the circumference of the outside of the circular rail 231, after the mounting plate 21 is connected to a rotating plate 23, the driving gear 242 is engaged with the driving gear 233, and the driving motor 241 drives the rotating plate 23 to rotate through the driving gear 242 and the driving gear 233.

Referring to fig. 1 and 3, a fixing block 243 is arranged on the mounting plate 24, the fixing block 243 is a hollow structure and is arranged between the symmetrical locking mechanisms 22, air cylinders 244 are respectively fixedly arranged on two sides of the fixing block 243, a driving toothed block 245 is slidably arranged on the mounting plate 21 below the air cylinders 244, the driving toothed block 245 is connected with an expansion link of the air cylinders 244 through a connecting rod, the air cylinders 244 can extend or retract through driving the expansion links to drive the driving toothed block 245 to slide back and forth, racks 246 are respectively arranged at two ends of the driving toothed block 245, the racks 246 are meshed with the transmission gears 222, when the driving toothed block 245 slides back and forth, the locking mechanisms 22 can be driven to rotate through the racks 246 and the transmission gears 222, and accordingly, the angle of the locking block 223 can be changed.

The working process and principle of the embodiment are as follows:

when the cutting angle needs to be changed when the metal plate is cut by the saw disc assembly, the driving motor 241 drives the driving gear row 233 to drive the rotating disc 23 to rotate clockwise through the driving gear 242, meanwhile, the rotating disc 23 drives the saw disc assembly 1 to change the cutting angle through the connecting cylinder 234, after the angle adjustment is completed, the air cylinder 244 acts to drive the driving gear block 245 to slide, meanwhile, the rack 246 drives the transmission gear 222 to rotate clockwise by 45 degrees, at the moment, the locking surface 224 is attached to the inner wall of the circular rail 231, and therefore the rotating disc 23 is locked.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment without inventive contribution as needed after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The saw disc cutting angle adjusting and locking mechanism comprises a saw disc assembly (1) and a driving mechanism (2) in driving connection with the saw disc assembly (1);

the device is characterized in that the driving mechanism (2) comprises a mounting disc (21), at least two locking mechanisms (22) are arranged on the mounting disc (21), each locking mechanism (22) comprises a middle shaft (221), a transmission gear (222) is fixedly sleeved on the middle shaft (221), the middle shaft (221) penetrates through the mounting disc (21) downwards, and the locking mechanisms (22) are driven to rotate on the mounting disc (21) through the transmission gear (222);

the end part of the middle shaft (221) penetrating through the mounting disc (21) is provided with a locking block (223), and two diagonal ends of the locking block (223) are provided with locking surfaces (224) used for guaranteeing locking stability.

2. The saw disc cutting angle adjusting and locking mechanism according to claim 1, wherein the driving mechanism (2) further comprises a rotating disc (23), a circular rail (231) is arranged in the middle of the rotating disc (23), at least two limiting sliding blocks (211) are arranged below the mounting disc (21), and the mounting disc (21) is rotatably connected with the rotating disc (23) through the limiting sliding blocks (211).

3. The cutting angle adjusting and locking mechanism of the saw disc as claimed in claim 2, wherein the circular rail (231) is an inverted T-shaped sliding groove, the side edge of the circular rail (231) is provided with a slot (232) for installing the central shaft (221) and the locking block (223) into the circular rail (231), and the locking block (223) is slidably connected with the rotating disc (23) through the circular rail (231).

4. The cutting angle adjusting and locking mechanism for the saw disc as claimed in claim 3, wherein a mounting plate (24) is arranged in the middle of the mounting plate (21), a driving motor (241) is arranged at one end of the mounting plate (24) extending out of the mounting plate (21), and a driving gear (242) is arranged at one end of the driving motor (241) penetrating through the mounting plate (24) under the rotating shaft.

5. The cutting angle adjusting and locking mechanism of the saw disc as claimed in claim 4, wherein the circular rail (231) is provided with a driving gear row (233) at the outer side, and after the mounting disc (21) is connected with the rotating disc (23), the driving gear (242) is meshed with the driving gear row (233).

6. The saw disc cutting angle adjusting and locking mechanism according to claim 4, wherein a fixing block (243) is arranged on the mounting plate (24), air cylinders (244) are respectively fixedly arranged on two sides of the fixing block (243), a driving gear block (245) is slidably arranged on the mounting plate (21) below the air cylinders (244), and the driving gear block (245) is connected with an expansion rod of the air cylinders (244) through a connecting rod.

7. The saw disc cutting angle adjusting and locking mechanism according to claim 6, wherein the driving gear block (245) is provided with a rack (246) at both ends thereof, and the rack (246) is engaged with the transmission gear (222).

8. The saw disc cutting angle adjusting and locking mechanism according to claim 2, characterized in that a connecting cylinder (234) is arranged below the rotating disc (23), and the rotating disc (23) drives the saw disc assembly (1) to rotate through the connecting cylinder (234).