CN215524546U

CN215524546U - Z-axis transmission balance adjusting device of three-coordinate measuring machine

Info

Publication number: CN215524546U
Application number: CN202122120600.XU
Authority: CN
Inventors: 李聪
Original assignee: Fang Run Dalian Precision Machinery Manufacturing Co ltd
Current assignee: Fang Run Dalian Precision Machinery Manufacturing Co ltd
Priority date: 2021-09-03
Filing date: 2021-09-03
Publication date: 2022-01-14
Anticipated expiration: 2031-09-03

Abstract

The utility model discloses a Z-axis transmission balance adjusting device of a three-coordinate measuring machine, which comprises a bottom plate, wherein a first hydraulic cylinder is fixedly connected to the left side of a supporting frame, the output end of the first hydraulic cylinder is rotatably connected with a first gear through a rotating shaft, the lower edge of the first gear is meshed with a second rack, the bottom of the second rack is fixedly connected with the supporting frame, one end of the first gear is fixedly connected with a ratchet wheel through the rotating shaft, and the edge of the ratchet wheel is tightly attached with a stop pin. This three-coordinate measuring machine's Z axle transmission balance adjustment device, through the support frame, first pneumatic cylinder, first gear, the ratchet, the backing pin, the second pneumatic cylinder, the cooperation between first rack and the second rack, first rack drives the response needle and removes, after the part was touched to the response needle, the backing pin blocked the epaxial ratchet of Z this moment, prevents Z axle skew, and it is too big to make the Z axle not swing the weight of having solved three-coordinate measuring machine Z axle and lead to the amplitude of oscillation of X axle big, the problem that measurement accuracy is low.

Description

Z-axis transmission balance adjusting device of three-coordinate measuring machine

Technical Field

The utility model relates to the technical field of three-coordinate measuring machines, in particular to a Z-axis transmission balance adjusting device of a three-coordinate measuring machine.

Background

Three-coordinate measuring machines are widely used in the industries of machinery, electronics, instruments, plastics and the like. The three-coordinate measuring machine is one of the most effective methods for measuring and obtaining dimension data, because it can replace various surface measuring tools and expensive combined gauges, and reduce the time required for complex measuring tasks from small to minute, which is an effect that cannot be achieved by other instruments, however, the existing three-coordinate measuring machine has the problems that the swing amplitude of the X axis is large due to the overlarge weight of the Z axis, the measuring precision is low, the distance for the X axis to slide back and forth is small due to the fact that a power source occupies a large space, and only one side of balance can be achieved when the balance is adjusted.

Disclosure of Invention

The utility model aims to provide a Z-axis transmission balance adjusting device of a three-coordinate measuring machine, which aims to solve the problems of large X-axis swinging amplitude and low measuring precision caused by overlarge weight of a Z axis in the background technology.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a Z axle transmission balance adjustment device of three coordinate measuring machine, includes the bottom plate, its characterized in that: the top of the bottom plate is provided with a balancing device;

the balancing device comprises a supporting frame, a first hydraulic cylinder, a first gear, a ratchet wheel, a stop pin, a second hydraulic cylinder, a handle, a first support, a second gear, a first rack and a second rack;

the bottom of the support frame is connected with the bottom plate in a sliding manner through a guide rail, a first hydraulic cylinder is fixedly connected to the left side of the support frame, the output end of the first hydraulic cylinder is rotatably connected with a first gear through a rotating shaft, the edge of the lower portion of the first gear is meshed with a second rack, the bottom of the second rack is fixedly connected with the support frame, one end of the first gear is fixedly connected with a ratchet wheel through a rotating shaft, one end of the ratchet wheel is rotatably connected with a first support column through a rotating shaft, a stop pin is tightly attached to the edge of the ratchet wheel and is rotatably connected with the first support column through a rotating shaft, a handle is fixedly connected to one side of the stop pin, the other side of the stop pin is rotatably connected with a spring through a pin shaft, one end of the spring is fixedly connected to a second shell, a second support column is sleeved on the inner wall of the first support column, and the bottom of the second support column is fixedly connected to the output end of the second hydraulic cylinder, the top of the second supporting column is rotatably connected with a second gear through a rotating shaft, the edge of the second gear is meshed with a first rack, and one end of the first rack is fixedly connected to the second shell.

Preferably, four guide rails are arranged on the rotating shaft of the first gear, and four sliding grooves are arranged on the rotating shaft of the ratchet wheel.

Preferably, the moving end of the first rack is fixedly connected with an induction needle.

Preferably, the support frame is fixedly connected with a first motor through a support, and the output end of the first motor is provided with a rotating device;

the rotating device comprises a worm, a worm wheel, a first shell, a second transverse plate and a sliding block;

the one end rigid coupling of worm is on the output of first motor, the edge mesh of worm is connected with the worm wheel, the top of worm wheel is through pivot and first shell looks rigid coupling, the top of first shell has the second diaphragm through the pillar rigid coupling, the top of second diaphragm is passed through the bearing and is connected with the slider rotation, the outer wall of slider passes through spout and first diaphragm sliding connection, the pillar rigid coupling is passed through on the support frame in the bottom of first diaphragm.

Preferably, the outer wall of the first shell is provided with an auxiliary device;

the auxiliary device comprises a first bevel gear, a second bevel gear, a connecting rod, a second motor and a second shell;

the outer wall of the second motor is fixedly connected to the first shell through a support, the output end of the second motor is fixedly connected with a first bevel gear, the edge of the first bevel gear is meshed with a second bevel gear, the second bevel gear is rotatably connected with the first shell through a bearing, one end of the second bevel gear is fixedly connected with a connecting rod through a rotating shaft, one end of the connecting rod is slidably connected with the second shell through a sliding groove, and the bottom of the second shell is slidably connected with the first shell through a guide rail.

Compared with the prior art, the utility model has the beneficial effects that: this Z axle transmission balance adjustment device of three coordinate measuring machine compares in traditional technology, has following advantage:

the support frame, the first hydraulic cylinder, the first gear, the ratchet wheel, the stop pin, the second hydraulic cylinder, the handle, the first pillar, the second gear, the cooperation between the first rack and the second rack, the first hydraulic cylinder drives the first gear to move leftwards, the first gear rotates under the blocking of the second rack while moving, the first gear drives the ratchet wheel to move, the ratchet wheel drives the first pillar to move, the first pillar drives the second pillar, the second gear and the first rack to move, the first rack drives the induction needle to move, after the induction needle touches a part, the first hydraulic cylinder is stopped, however, the Z axis has inertia to generate deviation, the stop pin blocks the ratchet wheel on the Z axis at the moment, the Z axis deviation is prevented, and the problem that the Z axis does not swing, the problem that the X axis has large swing amplitude and low measurement precision due to the overlarge weight of the Z axis of the three-coordinate measuring machine is solved.

The worm is driven to rotate for half a circle by the first motor matched between the worm, the worm wheel, the first shell, the second transverse plate and the sliding block, the worm drives the worm wheel to rotate for half a circle, the worm wheel drives the first shell to rotate for half a circle, the first shell drives the whole Z-axis inside to rotate for half a circle, a ratchet wheel on the back of the Z-axis is aligned to the first gear, the ratchet wheel on the back is the same as a ratchet wheel on the front, the rack is opposite in inclination direction, the distance which can be measured by the left and the right of the rotating Z-axis is not blocked by a power source, and the problem that the distance of the X-axis sliding back and forth is small due to the fact that the power source occupies a larger space is solved.

Through the cooperation between the first bevel gear, the second bevel gear, the connecting rod, the second motor and the second shell, the second motor drives the first bevel gear to rotate a quarter of a circle, the first bevel gear drives the second bevel gear to rotate a quarter of a circle, the second bevel gear drives the connecting rod to rotate a quarter of a circle, the connecting rod drives the second shell to horizontally move under the action of the sliding grooves, because the rotating shaft of the first gear is provided with four guide rails, the rotating shaft of the ratchet wheel is provided with four sliding grooves, the rotating shaft between the first gear and the ratchet wheel is separated by the second shell, the Z shaft is rotated for a half circle through the cooperation of the rotating device, the rotating shaft of the ratchet wheel at the back is accurately sleeved on the first gear, the ratchet wheel at the back is the same as the ratchet wheel at the front, the inclination directions of the racks are opposite, so that a stop pin can also block the ratchet wheel during reverse measurement, and the problem that only one side of balance can be achieved during balance adjustment is solved.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of a connection structure of the base plate, the first motor and the first cross plate in FIG. 1;

FIG. 3 is a schematic view of a connection structure of the support frame, the first hydraulic cylinder and the first gear in FIG. 1;

FIG. 4 is a schematic view of the connection of the first bevel gear, the second bevel gear and the connecting rod of FIG. 1;

fig. 5 is a schematic view of a connection structure of the first support, the second support and the second gear in fig. 1.

In the figure: 1. the device comprises a base plate, 2, a first motor, 3, a first transverse plate, 4, a balancing device, 401, a supporting frame, 402, a first hydraulic cylinder, 403, a first gear, 404, a ratchet wheel, 405, a stop pin, 406, a second hydraulic cylinder, 407, a handle, 408, a first support, 409, a second support, 410, a second gear, 411, a first rack, 412, a second rack, 5, a rotating device, 501, a worm, 502, a worm wheel, 503, a first shell, 504, a second transverse plate, 505, a sliding block, 6, an auxiliary device, 601, a first bevel gear, 602, a second bevel gear, 603, a connecting rod, 604, a second motor, 605, a second shell, 7 and an induction needle.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a Z-axis transmission balance adjusting device of a three-coordinate measuring machine comprises a base plate 1, a balancing device 4 is arranged at the top of the base plate 1, the balancing device 4 comprises a support frame 401, a first hydraulic cylinder 402, a first gear 403, a ratchet 404, a stop pin 405, a second hydraulic cylinder 406, a handle 407, a first support 408, a second support 409, a second gear 410, a first rack 411 and a second rack 412, the bottom of the support frame 401 is connected with the base plate 1 in a sliding mode through a guide rail, the support frame 401 moves as a Y axis, the left side of the support frame 401 is fixedly connected with the first hydraulic cylinder 402, the model of the first hydraulic cylinder 402 is DG-40 JB40E, the output end of the first hydraulic cylinder 402 is connected with the first gear 403 in a rotating mode through a rotating shaft, the first hydraulic cylinder 402 pushes the first gear 403 to move, the lower edge of the first gear 403 is connected with the second rack 412 in a meshing mode, the first gear 403 rotates under the action of the second rack 412, the bottom of the second rack 412 is fixedly connected with the support frame 401, one end of the first gear 403 is fixedly connected with the ratchet 404 through a rotating shaft, the first gear 403 drives the ratchet 404 to rotate, one end of the ratchet 404 is rotatably connected with the first support column 408 through a rotating shaft, the first support column 408 rotatably supports the ratchet 404 through a rotating shaft, the edge of the ratchet 404 is tightly attached with a stop pin 405, the stop pin 405 prevents the ratchet 404 from reversing, the stop pin 405 is rotatably connected with the first support column 408 through a rotating shaft, the first support column 408 rotatably supports the stop pin 405 through a rotating shaft, one side of the stop pin 405 is fixedly connected with a handle 407, the handle 407 drives the stop pin 405 to move, the other side of the stop pin 405 is rotatably connected with a spring through a pin shaft, the spring drives the stop pin 405 to move, the end through which the spring passes is fixedly connected on the second shell 605, the elastic coefficient of the spring is 5-15N/cm, the inner wall of the first support column 408 is sleeved with the second support column 409, the second support 409 can slide up and down on the first support 408, the bottom of the second support 409 is fixedly connected to the output end of the second hydraulic cylinder 406, the model of the second hydraulic cylinder 406 is DG-JB50E, the top of the second support 409 is rotatably connected to the second gear 410 through a rotating shaft, the second support 409 is pushed to the second gear 410 to move, the edge of the second gear 410 is connected with the first rack 411 in a meshed manner, the second gear 410 drives the first rack 411 to move, one end of the first rack 411 is fixedly connected to the second housing 605, the rotating shaft of the first gear 403 is provided with four guide rails, the rotating shaft of the ratchet 404 is provided with four sliding grooves, the rotating shaft of the ratchet 404 is sleeved on the rotating shaft of the first gear 403, the rotating shaft can be disconnected when necessary, the moving end of the first rack 411 is fixedly connected to the sensing needle 7, and the sensing needle 7 is used for measuring the length of an object.

The support frame 401 is fixedly connected with a first motor 2 through a support, the model number of the first motor 2 is 572F56-01A, the output end of the first motor 2 is provided with a rotating device 5, the rotating device 5 comprises a worm 501, a worm wheel 502, a first outer shell 503, a second transverse plate 504 and a sliding block 505, one end of the worm 501 is fixedly connected with the output end of the first motor 2, the first motor 2 drives the worm 501 to rotate, the edge of the worm 501 is connected with the worm wheel 502 in a meshing manner, the worm 501 drives the worm wheel 502 to rotate, the top of the worm wheel 502 is fixedly connected with the first outer shell 503 through a rotating shaft, the worm wheel 502 drives the first outer shell 503 to rotate, the top of the first outer shell 503 is fixedly connected with the second transverse plate 504 through a support, the first outer shell 503 drives the second transverse plate 504 to rotate, the top of the second transverse plate 504 is rotatably connected with the sliding block 505 through a bearing, the sliding block 505 rotatably supports the second transverse plate 504 through a sliding groove, the outer wall of the sliding block 505 is slidably connected with the first transverse plate 3 through a sliding groove, the first horizontal plate 3 limits the movement of the sliding block 505 through the sliding groove, the bottom of the first horizontal plate 3 is fixedly connected to the supporting frame 401 through a pillar, and the first horizontal plate 3 is used for supporting the whole Z-axis movement.

The outer wall of the first housing 503 is provided with an auxiliary device 6, the auxiliary device 6 comprises a first bevel gear 601, a second bevel gear 602, a connecting rod 603, a second motor 604 and a second housing 605, the outer wall of the second motor 604 is fixedly connected to the first housing 503 through a bracket, the model of the second motor 604 is 572F41-01A, the output end of the second motor 604 is fixedly connected with the first bevel gear 601, the second motor 604 drives the first bevel gear 601 to rotate, the edge of the first bevel gear 601 is connected with the second bevel gear 602 in a meshing manner, the first bevel gear 601 drives the second bevel gear 602 to rotate, the second bevel gear 602 is rotatably connected with the first housing 503 through a bearing, the first housing 503 rotatably supports the second bevel gear 602 through a bearing, one end of the second bevel gear 602 is fixedly connected with the connecting rod 603 through a rotating shaft, the second bevel gear 602 drives the connecting rod 603 to rotate, one end of the connecting rod 603 is slidably connected with the second housing 605 through a sliding groove, the connecting rod 603 drives the second housing 605 to move through the sliding slot, the bottom of the second housing 605 is slidably connected to the first housing 503 through a guide rail, and the first housing 503 limits the moving direction of the second housing 605 through the guide rail.

When the Z-axis transmission balance adjusting device of the three-coordinate measuring machine is used, firstly, a part to be measured is placed on a bottom plate 1, a first hydraulic cylinder 402 is retracted, the first hydraulic cylinder 402 drives a first gear 403 to move leftwards, the first gear 403 rotates while being blocked by a second rack 412, the first gear 403 drives a ratchet 404 to move while rotating, the ratchet 404 drives a first support 408 to move leftwards, the first support 408 drives a second support 409, a second gear 410 and a first rack 411 to move leftwards, the first rack 411 drives an induction needle 7 to move, after the induction needle 7 touches the part, the first hydraulic cylinder 402 is stopped, but the Z-axis is about to shift due to inertia, at the moment, a stop pin 405 blocks the ratchet 404 on the Z-axis to prevent the Z-axis from shifting, so that the Z-axis is not swinging, the measurement precision is improved, a second hydraulic cylinder 406 is started, the second hydraulic cylinder 406 pushes the second gear 410 upwards through the first support 408 and the second support 409, the second gear 410 drives the first rack 411 to move upwards, the first rack 411 drives the induction needle 7 to lift, at this time, the first hydraulic cylinder 402 retracts again, the induction needle 7 receives the leftmost side to stop the first hydraulic cylinder 402, and simultaneously the external power supply of the second motor 604 is switched on, the second motor 604 is started, because the second motor 604 is a stepping motor, the second motor 604 is arranged to rotate a quarter of a circle, the second motor 604 drives the first bevel gear 601 to rotate a quarter of a circle, the first bevel gear 601 drives the second bevel gear 602 to rotate a quarter of a circle, the second bevel gear 602 drives the connecting rod 603 to rotate a quarter of a circle, the connecting rod 603 drives the second housing 605 to move horizontally under the action of the sliding grooves, because the rotating shaft of the first gear is provided with four guide rails, the rotating shaft of the ratchet 404 is provided with four sliding grooves, the second housing 605 separates the rotating shaft between the first gear 403 and the ratchet 404, at this time, the external power supply of the first motor 2 is switched on, starting the first motor 2, setting the first motor 2 to rotate for half a circle, the first motor 2 driving the worm 501 to rotate for half a circle, the worm 501 driving the worm wheel 502 to rotate for half a circle, the worm wheel 502 driving the first housing 503 to rotate for half a circle, the first housing 503 driving the whole Z-axis inside to rotate for half a circle, making the ratchet 404 on the back of the Z-axis align with the first gear 403, the ratchet 404 on the back of the Z-axis have the same size with the ratchet 404 on the front, the rack inclining direction is opposite, then starting the second motor 604 again, making the second motor 604 rotate for a quarter of a circle again, sleeving the rotating shaft of the ratchet 404 on the back on the first gear 403 accurately, adjusting the first hydraulic cylinder 402, repeating the above process again to complete the measurement of the other side, the rotating Z-axis makes the distance that can be measured on the left and right not be blocked by the power source, and simultaneously blocking the ratchet 404 by the blocking pin 405 during the direction measurement, so that the measurement of the two sides can be adjusted, the balance of the equipment is improved.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on those shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the referenced device or element must have a particular orientation, be constructed and operated in a particular orientation, and thus, are not to be construed as limiting the present invention.

In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "disposed," "connected," "secured," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; the terms may be directly connected or indirectly connected through an intermediate, and may be communication between two elements or interaction relationship between two elements, unless otherwise specifically limited, and the specific meaning of the terms in the present invention will be understood by those skilled in the art according to specific situations.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a Z axle transmission balance adjustment device of three coordinate measuring machine, includes bottom plate (1), its characterized in that: the top of the bottom plate (1) is provided with a balancing device (4);

the balance device (4) comprises a support frame (401), a first hydraulic cylinder (402), a first gear (403), a ratchet wheel (404), a stop pin (405), a second hydraulic cylinder (406), a handle (407), a first support column (408), a second support column (409), a second gear (410), a first rack (411) and a second rack (412);

the bottom of support frame (401) is through guide rail and bottom plate (1) sliding connection, the left side rigid coupling of support frame (401) has first pneumatic cylinder (402), the output of first pneumatic cylinder (402) is rotated through pivot and first gear (403) and is connected, the below edge and the meshing of second rack (412) of first gear (403) link to each other, the bottom and the support frame (401) of second rack (412) are looks rigid coupling, the one end of first gear (403) is through pivot and ratchet (404) looks rigid coupling, the one end of ratchet (404) is through pivot and first pillar (408) rotation connection, the edge of ratchet (404) closely laminates and has fender round pin (405), fender round pin (405) rotates through pivot and first pillar (408) to be connected, one side rigid coupling of fender round pin (405) has handle (407), the opposite side of fender round pin (405) rotates through round pin axle and spring to be connected, and one end of the spring is fixedly connected to the second outer shell (605), the inner wall of the first support column (408) is sleeved with a second support column (409), the bottom of the second support column (409) is fixedly connected to the output end of the second hydraulic cylinder (406), the top of the second support column (409) is rotatably connected with a second gear (410) through a rotating shaft, the edge of the second gear (410) is engaged with a first rack (411), and one end of the first rack (411) is fixedly connected to the second outer shell (605).

2. The Z-axis drive balance adjustment device of a three-coordinate measuring machine of claim 1, wherein: four guide rails are arranged on a rotating shaft of the first gear (403), and four sliding grooves are arranged on a rotating shaft of the ratchet wheel (404).

3. The Z-axis drive balance adjustment device of a three-coordinate measuring machine of claim 1, wherein: an induction needle (7) is fixedly connected to the moving end of the first rack (411).

4. The Z-axis drive balance adjustment device of a three-coordinate measuring machine of claim 1, wherein: the support frame (401) is fixedly connected with a first motor (2) through a support, and the output end of the first motor (2) is provided with a rotating device (5);

the rotating device (5) comprises a worm (501), a worm wheel (502), a first shell (503), a second horizontal plate (504) and a sliding block (505);

the one end rigid coupling of worm (501) is on the output of first motor (2), the edge mesh of worm (501) is connected with worm wheel (502), the top of worm wheel (502) is through pivot and first shell (503) looks rigid coupling, the top of first shell (503) has second diaphragm (504) through the pillar rigid coupling, the top of second diaphragm (504) is passed through the bearing and is rotated with slider (505) and be connected, the outer wall of slider (505) passes through spout and first diaphragm (3) sliding connection, the bottom of first diaphragm (3) is passed through the pillar rigid coupling on support frame (401).

5. The Z-axis drive balance adjustment device of a three-coordinate measuring machine of claim 4, wherein: an auxiliary device (6) is arranged on the outer wall of the first shell (503);

the auxiliary device (6) comprises a first bevel gear (601), a second bevel gear (602), a connecting rod (603), a second motor (604) and a second shell (605);

the outer wall of the second motor (604) is fixedly connected to the first shell (503) through a support, the output end of the second motor (604) is fixedly connected with a first bevel gear (601), the edge of the first bevel gear (601) is meshed with a second bevel gear (602), the second bevel gear (602) is rotatably connected with the first shell (503) through a bearing, one end of the second bevel gear (602) is fixedly connected with a connecting rod (603) through a rotating shaft, one end of the connecting rod (603) is slidably connected with the second shell (605) through a sliding groove, and the bottom of the second shell (605) is slidably connected with the first shell (503) through a guide rail.