CN111941130A

CN111941130A - Manual locking control device for driving shaft of numerical control machine tool

Info

Publication number: CN111941130A
Application number: CN202010805824.1A
Authority: CN
Inventors: 余婷
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-08-12
Filing date: 2020-08-12
Publication date: 2020-11-17

Abstract

The invention belongs to the field of numerical control machines, and particularly relates to a manual locking control device for a driving shaft of a numerical control machine tool, which comprises a machine tool control box shell, wherein the inner lower end of the machine tool control box shell is fixedly connected with a micro-switch bearing plate, the inner upper end of the machine tool control box shell is fixedly connected with a motor supporting plate, the outer left lower end of the machine tool control box shell is provided with a sliding groove, the outer left upper end of the machine tool control box shell is fixedly connected with a fixed bearing seat, the outer middle part of the machine tool control box shell is fixedly connected with a first fixed block, and the outer left lower end of the machine tool control box shell is fixedly connected with a. The invention sets the sliding piece, which can implement the emergency stop of the machine tool driving shaft in operation due to certain condition, and the sliding piece is arranged, and the stop rod in the sliding piece is meshed with the moving stop wheel, so that the driving shaft fixedly connected with the stop wheel stops rotating, and the action of stopping the machine tool driving shaft is completed.

Description

Manual locking control device for driving shaft of numerical control machine tool

Technical Field

The invention belongs to the field of numerical control machines, and particularly relates to a manual locking control device for a driving shaft of a numerical control machine.

Background

The numerical control machine tool is a digital control machine tool for short, and is an automatic machine tool provided with a program control system. The control system is capable of logically processing and decoding a program defined by a control code or other symbolic instructions, represented by coded numbers, which are input to the numerical control device via the information carrier. After operation, the numerical control device sends out various control signals to control the action of the machine tool, and the parts are automatically machined according to the shape and the size required by the drawing.

A numerically controlled machine tool is an automated machine tool equipped with a program control system, which is capable of operating the machine tool and machining parts according to a programmed program. The sensor applied to the numerical control machine tool mainly comprises a photoelectric encoder, a linear grating, a proximity switch, a temperature sensor, a Hall sensor, a current sensor, a voltage sensor, a pressure sensor, a liquid level sensor, a rotary transformer, an induction synchronizer, a speed sensor and the like, and is mainly used for detecting position, linear displacement, angular displacement, speed, pressure, temperature and the like.

The numerical control machine tool well solves the problem of machining of complex, precise, small-batch and various parts, is a flexible and high-efficiency automatic machine tool, represents the development direction of the control technology of modern machine tools, and is a typical mechanical and electrical integration product.

Because the numerically-controlled machine tool is in the process of machining small-sized workpieces, if the diameters of the workpieces are different, machining materials need to be replaced in time, and stopping must be controlled manually. And prior art's digit control machine tool is few to be equipped with manual control device, but does not have the automatic shutdown function, must manual shutdown side can change the processing material, and manual control device is slow, and misoperation easily causes the accident during manual control.

Therefore, a manual stopping control device for a driving shaft of a numerical control machine tool is provided to solve the problems.

Disclosure of Invention

The invention aims to solve the problems and provides a manual locking control device for a driving shaft of a numerical control machine tool.

In order to achieve the purpose, the invention adopts the following technical scheme: the utility model provides a manual locking controlling means of digit control machine tool driving shaft, includes machine tool control box casing, the inside lower extreme fixedly connected with micro-gap switch bearing board of machine tool control box casing, the inside upper end fixedly connected with motor support board of machine tool control box casing, open the left lower extreme in the outside of machine tool control box casing has the spout, the upper left end fixedly connected with fixed bearing frame in the outside of machine tool control box casing, the first fixed block of outside middle part fixedly connected with of machine tool control box casing, the lower extreme fixedly connected with second fixed block in the outside of machine tool control box casing.

In the manual stop control device for the driving shaft of the numerical control machine tool, the micro-switch bearing plate is fixedly connected to the inner side of the shell of the control box of the machine tool through the fixture block, the lower end of the fixture block is fixedly connected with the first fixed angle plate, the lower end of the first fixed angle plate is connected with the first bolt through a hole, and the other end of the first bolt is fixedly connected to the inner wall of the shell of the control box of the machine tool.

In the manual brake control device for the driving shaft of the numerical control machine tool, the motor supporting plate is fixedly connected to the inner wall of the shell of the control box of the machine tool through the second fixed angle plate, the lower end of the second fixed angle plate is connected with the second bolt in a penetrating manner, and the other end of the second bolt is fixedly connected to the inner wall of the shell of the control box of the machine tool.

In foretell manual brake control device of digit control machine tool driving shaft, the upper end fixedly connected with damper of motor backup pad, the damper comprises bottom plate, slide cartridge, slide bar and buffer spring, bottom plate fixed connection is in the upper end of motor backup pad, slide cartridge fixed connection is on the bottom plate, slide bar sliding connection is in the inside of slide cartridge, buffer spring fixes the bottom at the slide cartridge, the upper end fixed connection upper plate of slide bar.

In foretell manual brake control device of digit control machine tool driving shaft, the upper end fixedly connected with motor of upper plate, the left end of motor rotates and is connected with the driving shaft, the left end perforation of driving shaft connects machine tool control box casing left side and fixed bearing frame, the middle part fixedly connected with locking wheel of driving shaft.

In the manual stop control device for the driving shaft of the numerical control machine tool, the left end of the first fixed block is fixedly connected with the sliding part, the sliding part is composed of a sliding part shell, a stop rod, a first connecting rod and a bottom sealing seat, the right end of the sliding part shell is fixedly connected to the first fixed block, the stop rod is slidably connected inside the sliding part shell, the first connecting rod is fixedly connected to the lower end of the stop rod, and the bottom sealing seat is fixedly connected to the lower end of the first connecting rod.

In foretell manual stop control device of digit control machine tool driving shaft, the right-hand member fixedly connected with connecting plate of second fixed block, the connecting plate perforation connection has the spring to switch the piece, the spring switches the piece and comprises switching chunk, second connecting rod, compression spring and bull stick, second connecting rod sliding connection connecting plate, the compression spring cover is located on the second connecting rod, the switching chunk passes through the bull stick and rotates the connection second connecting rod.

In the manual stop control device for the driving shaft of the numerical control machine tool, the side surface of the clamping block is fixedly connected with the straight rod, the straight rod is rotatably connected with the sensing block, the sensing block is slidably connected in the sliding groove, and the upper end of the micro switch bearing plate is fixedly connected with the micro switch.

Compared with the prior art, the manual locking control device for the driving shaft of the numerical control machine tool has the advantages that:

1. the damping piece is arranged, so that the motor in the working state can be damped and buffered, the internal structure of the machine tool can be damaged due to vibration generated by high-load running of the motor when the machine tool works, and the damping piece is arranged, so that the damage of the internal structure of the machine tool is effectively avoided, and the damping device is simple and practical.

2. The invention sets the sliding piece, which can implement the emergency stop of the machine tool driving shaft in operation due to certain condition, and the sliding piece is arranged, and the stop rod in the sliding piece is meshed with the moving stop wheel, so that the driving shaft fixedly connected with the stop wheel stops rotating, and the action of stopping the machine tool driving shaft is completed.

3. According to the invention, the spring switching piece is arranged, so that the stop rod can instantly slide upwards under the action of the upward thrust of the spring switching piece, and the instant stopping action of the sliding piece on the rotating driving shaft is realized.

4. According to the invention, the sensing block is arranged, so that the bottom seal seat which moves upwards instantly under the action of the spring switching piece can instantly contact with the sensing block and drive the sensing block to rotate around the straight rod, the on-off regulation of the power supply by the microswitch is realized, the motor stops rotating at the moment when the stop rod is contacted with the stop wheel, and the stop wheel is prevented from damaging the stop rod and continuing rotating under the driving of the motor.

5. According to the invention, the first fixed angle plate and the second fixed angle plate are arranged, the fixture block is fixed in the machine tool control box shell by using the first fixed angle plate and the first bolt, so that the effect of supporting the micro-switch supporting plate is achieved, and the motor supporting plate 3 is fixed in the machine tool control box shell by using the second fixed angle plate and the second bolt, so that the effect of supporting the motor is achieved.

Drawings

FIG. 1 is a schematic structural diagram of a manual locking control device for a drive shaft of a numerical control machine tool provided by the invention;

FIG. 2 is a stopping schematic diagram of a manual stopping control device for a drive shaft of a numerical control machine tool provided by the invention;

FIG. 3 is a side view of a manual locking control device for a drive shaft of a numerical control machine tool provided by the invention;

FIG. 4 is an enlarged schematic view of the shock absorbing member of FIG. 1;

FIG. 5 is an enlarged schematic view of the slider structure of FIG. 1;

fig. 6 is an enlarged schematic view of the spring switch in fig. 1;

fig. 7 is an enlarged schematic view of the sensor block structure in fig. 1.

In the figure, 1 a machine tool control box shell, 2 a micro-switch supporting plate, 21 a sliding groove, 22 a clamping block, 221 a straight rod, 222 a sensing block, 223 a micro-switch, 23 a first fixed angle plate, 24 a first bolt, 3 a motor supporting plate, 31 a second fixed angle plate, 32 a second bolt, 33 a shock absorbing member, 331 a bottom plate, 332 a sliding barrel, 333 a sliding rod, 334 a buffer spring, 34 an upper plate, 4 a fixed bearing seat, 41 a motor, 42 a driving shaft, 43 a stopping wheel, 5 a first fixed block, 51 a sliding member, 511 a sliding member shell, 512 a stopping rod, 513 a first connecting rod, 514 a bottom sealing seat, 6 a second fixed block, 61 a connecting plate, 62 a spring switching member, 621 a switching block, 622 a second connecting rod, 623 a compression spring and 624 a rotating rod.

Detailed Description

The following examples are for illustrative purposes only and are not intended to limit the scope of the present invention.

As shown in fig. 1-7, a manual locking control device for a drive shaft of a numerical control machine tool comprises a machine tool control box housing 1, a micro-switch support plate 2 is fixedly connected to the lower end inside the machine tool control box housing 1, the micro-switch support plate 2 is a convex plate, the micro-switch support plate 2 is in fit connection with a fixture block 22, the micro-switch support plate 2 is fixedly connected to the inner side of the machine tool control box housing 1 through the fixture block 22, a straight rod 221 is fixedly connected to the side surface of the fixture block 22, the straight rod 221 is rotatably connected with a sensing block 222, a contact head is arranged at the end of the sensing block 222, the sensing block 222 is slidably connected in a chute 21, a micro-switch 223 is fixedly connected to the upper end of the micro-switch support plate 2, a first fixed angle plate 23 is fixedly connected to the lower end of the fixture block 22, the first fixed angle plate 23 is a right-angle plate, the other end of the first bolt 24 is fixedly connected to the inner wall of the control box shell 1 of the machine tool.

The upper end of the inside of a machine tool control box shell 1 is fixedly connected with a motor supporting plate 3, the motor supporting plate 3 is fixedly connected to the inner wall of the machine tool control box shell 1 through a second fixed angle plate 31, the structure of the second fixed angle plate 31 is a right-angle plate, the lower end of the second fixed angle plate 31 is connected with a second bolt 32 in a penetrating way, the other end of the second bolt 32 is fixedly connected to the inner wall of the machine tool control box shell 1, the upper end of the motor supporting plate 3 is fixedly connected with a shock absorption piece 33, the shock absorption piece 33 is composed of a bottom plate 331, a sliding cylinder 332, a sliding rod 333 and a buffer spring 334, the bottom plate 331 is fixedly connected to the upper end of the motor supporting plate 3, the sliding cylinder 332 is fixedly connected to the bottom plate 331, the sliding rod 333 is slidably connected to the inside of the sliding cylinder 332, the buffer spring 334 is fixed to the bottom of the sliding cylinder 332, the upper, the left end of the motor 41 is rotatably connected with a driving shaft 42, the left end of the driving shaft 42 is connected with the left side of the machine tool control box shell 1 and the fixed bearing seat 4 in a penetrating way, the middle part of the driving shaft 42 is fixedly connected with a stopping wheel 43, and two sides of the stopping wheel 43 are fixedly provided with fixed seats to prevent the stopping wheel from moving.

The left lower end of the outer side of the machine tool control box shell 1 is provided with a sliding groove 21, the sliding groove 21 is a rectangular sliding groove, the left upper end of the outer side of the machine tool control box shell 1 is fixedly connected with a fixed bearing seat 4, the middle part of the outer side of the machine tool control box shell 1 is fixedly connected with a first fixed block 5, a disc seat is fixed at the joint of the first fixed block 5 and the machine tool control box shell 1, a bolt group is connected with a through hole on the disc seat, the left end of the first fixed block 5 is fixedly connected with a sliding part 51, the sliding part 51 consists of a sliding part shell 511, a stop rod 512, a first connecting rod 513 and a bottom seal seat 514, the right end of the sliding part shell 511 is fixedly connected with the first fixed block 5, the stop rod 512 is slidably connected inside the sliding part shell 511, the first connecting rod 513 is fixedly connected with the lower end of the stop rod 512, the bottom seal seat, the diameter of the connecting block is smaller than that of the opening at the bottom of the sliding part shell 511, and the bottom sealing seat 514 and the connecting block can be matched with the sliding part shell 511 by upward displacement.

The lower extreme fixedly connected with second fixed block 6 in the outside of lathe control box casing 1, the junction fixedly connected with disc seat of second fixed block 6 and lathe control box casing 1, the upper end perforation connection of disc seat has the bolt group, the right-hand member fixedly connected with connecting plate 61 of second fixed block 6, the middle part of connecting plate 61 is equipped with the spout, for the slip of spring switching piece 62, connecting plate 61 perforation connection has spring switching piece 62, spring switching piece 62 is by switching chunk 621, second connecting rod 622, compression spring 623 and bull stick 624 are constituteed, second connecting rod 622 sliding connection connecting plate 61, compression spring 623 cover is located on the second connecting rod 622, switch chunk 621 and rotate through bull stick 624 and connect second connecting rod 622, the lower extreme fixedly connected with who switches chunk 621 stirs the handle.

When the device is used, under the normal working condition of a machine tool, the motor 41 drives the driving shaft 42 to rotate, namely, the stop wheel 43 fixedly connected to the driving shaft 42 rotates along with the driving shaft 42, the shock absorption piece 33 absorbs the shock generated by the motor 41, the force generated by the shock of the motor 41 is transmitted to the shock absorption piece 33 through the upper plate 34, and the shock absorption piece 33 slides in the sliding cylinder 332 through the sliding rod 333 and compresses the shock absorption spring 334 to realize the shock absorption of the motor 41.

As shown in fig. 2, when the driving shaft 42 needs to be suspended in an emergency, the toggle handle is manually toggled to switch the switching block 624 from vertical sliding to horizontal, and the displacement of the switching block 624 changes, so that the distance between the rotating rod 624 and the connecting plate 61 changes, that is, the distance between the second connecting rod 622 and the connecting plate 61 changes, that is, the compression spring 623 on the second connecting rod 622 changes from a compressed state to a relaxed state, so that the second connecting rod 622 rapidly moves upwards under the action of the compression spring 623, pushing the bottom seal seat 514 to move upwards, the bottom seal seat 514 driving the first connecting rod 513 to move upwards, that is, driving the stop rod 512 to move upwards, and causing the stop rod 512 to engage and block the stop wheel 43, wherein the bottom seal seat 514 contacts the sensing block 222 and drives the sensing block 222 to displace upwards during the rapid upwards movement, the sensing block 222 generates displacement, that is, the model is transmitted to the micro switch 223, the micro switch 223 immediately cuts off the power switch of the motor 41 upon receiving the signal of the sensor block 222, and the stop lever 514, the stop wheel 43, the sensor block 222 and the micro switch 223 realize the emergency stop function of the motive shaft 42 and the motor 41.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a manual locking controlling means of digit control machine tool driving shaft, includes machine tool control box casing (1), its characterized in that, the inside lower extreme fixedly connected with micro-gap switch bearing board (2) of machine tool control box casing (1), the inside upper end fixedly connected with motor support board (3) of machine tool control box casing (1), open the left lower extreme in the outside of machine tool control box casing (1) has spout (21), upper left end fixedly connected with fixing bearing frame (4) in the outside of machine tool control box casing (1), the first fixed block of outside middle part fixedly connected with (5) of machine tool control box casing (1), the left lower extreme fixedly connected with second fixed block (6) in the outside of machine tool control box casing (1).

2. The manual locking control device for the driving shaft of the numerical control machine tool according to claim 1, wherein the micro-switch supporting plate (2) is fixedly connected to the inner side of the casing (1) of the machine tool control box through a clamping block (22), a first fixed angle plate (23) is fixedly connected to the lower end of the clamping block (22), a first bolt (24) is connected to the lower end of the first fixed angle plate (23) in a penetrating manner, and the other end of the first bolt (24) is fixedly connected to the inner wall of the casing (1) of the machine tool control box.

3. The manual locking control device for the driving shaft of the numerical control machine tool is characterized in that the motor supporting plate (3) is fixedly connected to the inner wall of the control box shell (1) of the machine tool through a second fixed angle plate (31), a second bolt (32) is connected to the lower end of the second fixed angle plate (31) in a penetrating mode, and the other end of the second bolt (32) is fixedly connected to the inner wall of the control box shell (1) of the machine tool.

4. The manual stopping control device for the driving shaft of the numerical control machine tool according to claim 3, wherein a damping member (33) is fixedly connected to the upper end of the motor supporting plate (3), the damping member (33) is composed of a bottom plate (331), a sliding cylinder (332), a sliding rod (333) and a buffer spring (334), the bottom plate (331) is fixedly connected to the upper end of the motor supporting plate (3), the sliding cylinder (332) is fixedly connected to the bottom plate (331), the sliding rod (333) is slidably connected to the inside of the sliding cylinder (332), the buffer spring (334) is fixed to the bottom of the sliding cylinder (332), and the upper end of the sliding rod (333) is fixedly connected to the upper plate (34).

5. The manual locking control device for the driving shaft of the numerical control machine tool according to claim 1, characterized in that a motor (41) is fixedly connected to the upper end of the upper plate (34), a driving shaft (42) is rotatably connected to the left end of the motor (41), the left end of the driving shaft (42) is connected with the left side of the control box shell (1) of the machine tool and a fixed bearing seat (4) in a penetrating manner, and a locking wheel (43) is fixedly connected to the middle part of the driving shaft (42).

6. The manual locking control device for the driving shaft of the numerical control machine tool as claimed in claim 1, wherein a sliding member (51) is fixedly connected to the left end of the first fixed block (5), the sliding member (51) is composed of a sliding member housing (511), a locking rod (512), a first connecting rod (513) and a bottom sealing seat (514), the right end of the sliding member housing (511) is fixedly connected to the first fixed block (5), the locking rod (512) is slidably connected inside the sliding member housing (511), the first connecting rod (513) is fixedly connected to the lower end of the locking rod (512), and the bottom sealing seat (514) is fixedly connected to the lower end of the first connecting rod (513).

7. The manual locking control device for the driving shaft of the numerical control machine tool according to claim 1, wherein a connecting plate (61) is fixedly connected to the right end of the second fixed block (6), a spring switching piece (62) is connected to the connecting plate (61) through a hole, the spring switching piece (62) is composed of a switching block (621), a second connecting rod (622), a compression spring (623) and a rotating rod (624), the second connecting rod (622) is slidably connected with the connecting plate (61), the compression spring (623) is sleeved on the second connecting rod (622), and the switching block (621) is rotatably connected with the second connecting rod (622) through the rotating rod (624).

8. The manual locking control device for the driving shaft of the numerical control machine tool as claimed in claim 2, wherein a straight rod (221) is fixedly connected to the side surface of the clamping block (22), a sensing block (222) is rotatably connected to the straight rod (221), the sensing block (222) is slidably connected in the sliding groove (21), and a microswitch (223) is fixedly connected to the upper end of the microswitch supporting plate (2).