CN115592424A - Gap adjusting device and method for dragging plate of gantry machine tool - Google Patents

Gap adjusting device and method for dragging plate of gantry machine tool Download PDF

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Publication number
CN115592424A
CN115592424A CN202211235657.7A CN202211235657A CN115592424A CN 115592424 A CN115592424 A CN 115592424A CN 202211235657 A CN202211235657 A CN 202211235657A CN 115592424 A CN115592424 A CN 115592424A
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CN
China
Prior art keywords
screw rod
hole
sliding block
carriage
machine tool
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Pending
Application number
CN202211235657.7A
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Chinese (zh)
Inventor
周大锋
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Dongguan Xinguofeng Machinery Co ltd
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Dongguan Xinguofeng Machinery Co ltd
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Publication date
Application filed by Dongguan Xinguofeng Machinery Co ltd filed Critical Dongguan Xinguofeng Machinery Co ltd
Priority to CN202211235657.7A priority Critical patent/CN115592424A/en
Publication of CN115592424A publication Critical patent/CN115592424A/en
Pending legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0054—Means for adjusting the position of a machine tool with respect to its supporting surface
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/01—Frames, beds, pillars or like members; Arrangement of ways
    • B23Q1/017—Arrangements of ways

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Machine Tool Units (AREA)

Abstract

The utility model provides a portal machine tool planker clearance adjustment device, the crossbeam bottom is equipped with the lower guideway, the glide plane of lower guideway is the inclined plane, clearance adjustment device includes the slider with lower guideway sliding fit, first screw rod, the second screw rod and establish the mount table in the slider below and be connected with the planker, the bottom of slider is equipped with the mounting hole, be equipped with the elastomer in the mounting hole, it is equipped with first screw hole to correspond mounting hole department on the mount table, first screw rod and first screw hole threaded connection, the one end of first screw rod stretches into in the mounting hole and offsets with the elastomer after passing first screw hole, be equipped with the through-hole that the level set up on the slider, it is equipped with the second screw hole to correspond through-hole department on the planker, the second screw rod passes the through-hole back locking of slider in second screw hole department. When the gap between the sliding block and the lower guide rail needs to be adjusted, the second screw rod is unscrewed, the sliding block is upwards jacked under the elastic action of the elastic body and is attached to the sliding surface of the lower guide rail again, the gap adjusting method is simple, and only two operations of tightness of the second screw rod are needed.

Description

Gap adjusting device and method for dragging plate of gantry machine tool
Technical Field
The invention relates to the field of machine tools, in particular to a device and a method for adjusting a gap between a dragging plate of a gantry machine tool.
Background
When the carriage moves transversely, friction is generated between the carriage and the guide rail, and after a sliding part is abraded, the gap between the carriage and the guide rail is enlarged, so that the moving stability of the carriage is influenced, and the gap needs to be adjusted periodically. For example, in a guide rail structure of a Y-axis carriage and a cross beam of a numerical control gantry boring and milling machine with the Chinese patent publication No. CN1857854A, in order to enable the gap between the lower guide rail surface of the cross beam and a pressure plate to be adjustable, the relative positions of a wedge block and the lower guide rail surface of the cross beam and the wedge block and the pressure plate can be adjusted by an adjuster. The adjuster is composed of a coupling plate, a nut, a set screw and a nut. One end of the connecting plate is fixed on the wedge block by a screw, and the other end of the connecting plate is fixed on the pressure plate by a positioning screw and three nuts. The depth of the wedge block can be adjusted by only adjusting the nut and the positioning screw rod, so that the gap between the lower guide surface of the cross beam and the pressure plate can be adjusted. This adjusting device needs the manual work to finely tune the screw just can realize the accurate regulation in clearance, and its regulation step is loaded down with trivial details, and efficiency is lower.
Disclosure of Invention
The invention aims to solve the technical problem of providing a device and a method for adjusting the gap between the dragging plates of a gantry machine tool, which have simple structure and high gap adjusting efficiency.
In order to solve the technical problems, the technical scheme of the invention is as follows: a lower guide rail is arranged at the bottom of a cross beam of a gantry machine tool, a bottom sliding surface of the lower guide rail is an inclined surface, the clearance adjusting device comprises a sliding block, a first screw rod, a second screw rod and an installation platform, the sliding block is in sliding fit with the sliding surface of the lower guide rail, the installation platform is arranged below the sliding block and connected with the carriage, an installation hole is formed in the bottom of the sliding block, an elastic body is arranged in the installation hole, a first threaded hole is formed in the installation platform in a position corresponding to the installation hole, the first screw rod is in threaded connection with the first threaded hole, one end of the first screw rod penetrates through the first threaded hole and then extends into the installation hole and abuts against the elastic body, a through hole is horizontally formed in the sliding block, a second threaded hole is formed in the carriage in a position corresponding to the through hole, and the second screw rod penetrates through the through hole of the sliding block and then is locked in the second threaded hole.
As a refinement, the elastomer is a spring.
As an improvement, a pressing block is arranged between the first screw rod and the spring.
As an improvement, the installation table and the carriage are of an integral structure.
As an improvement, the sliding block is in a strip shape, and the length of the sliding block is the same as that of the carriage; the top surface of the sliding block is an inclined surface and is attached to the lower guide rail, and one surface of the sliding block, facing the carriage, is a plane and is attached to the carriage.
As an improvement, the through hole is a long hole, and the second screw rod can move up and down relative to the through hole.
As an improvement, a locking nut is arranged on the first screw rod and abuts against the bottom of the mounting table.
The clearance adjusting method comprises the following steps:
(1) When the gap between the sliding block and the lower guide rail needs to be adjusted, the second screw rod is unscrewed, and the sliding block is jacked upwards under the action of the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail again;
(2) And locking the second screw rod again to fix the position of the sliding block.
As an improvement thereof,
(3) When the clearance between the sliding block and the lower guide rail is too large, the first screw is screwed down, and the elastic body is further compressed; then the second screw rod is unscrewed, and the sliding block is jacked upwards under the action of the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail again; and finally, locking the second screw rod to fix the position of the sliding block.
Compared with the prior art, the invention has the following beneficial effects:
the first screw and the elastic body provide power for the slide block to trend upwards, and the second screw is used for loosening and tightening the slide block, so that the structure is simple; when the gap between the sliding block and the lower guide rail needs to be adjusted, the second screw rod is unscrewed, the sliding block is upwards jacked up under the elastic action of the elastic body and tightly attached to the sliding surface of the lower guide rail again, the gap adjusting method is simple, and only two operations of tightness of the second screw rod are needed.
Drawings
Fig. 1 is a schematic side view of a machine tool.
Fig. 2 is a schematic diagram of the back of the carriage.
Fig. 3 is a sectional view I of the gap adjusting device.
Fig. 4 is a sectional view II of the gap adjusting device.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
As shown in fig. 1 and 2, a gap adjusting device for a carriage of a gantry machine tool, which can be a gantry milling machine in this embodiment, is configured such that the carriage 1 moves on a cross beam 2 of the gantry milling machine in a Y-axis manner. The lower guide rail 21 is arranged at the position, close to the front end, of the bottom of the cross beam 2 of the gantry machine tool, the lower guide rail 21 can be integrally formed with the cross beam 2, and the sliding surface of the bottom surface of the lower guide rail 21 is an inclined surface.
As shown in fig. 3 and 4, the gap adjusting device 3 includes a slider 34 slidably engaged with the sliding surface of the lower rail 21, a first screw 32, a second screw 33, and a mounting table 31 provided below the slider 34 and connected to the carriage 1. The installation table 31 and the carriage 1 are of an integral structure, the installation table 31 is formed by extending the inner side of the lower part of the carriage 1 outwards, the length of the installation table 31 is the same as that of the carriage 1, and the top surface and the bottom surface of the installation table 31 are both flat surfaces. The slide block 34 is in a long strip shape, the length of the slide block 34 is the same as that of the carriage 1, the top surface of the slide block 34 is an inclined surface and is attached to the lower guide rail 21, one surface, facing the carriage 1, of the slide block 34 is a plane and is attached to the carriage 1, the bottom surface of the slide block 34 is a plane, and the outer side surface of the slide block 34 is a plane. The bottom of slider 34 is equipped with the mounting hole, and this mounting hole is the blind hole, be equipped with the elastomer in the mounting hole, the elastomer of this embodiment is spring 35, and the diameter of mounting hole is greater than the diameter of spring 35 a little, can restrain the installation of spring 35. A first threaded hole is formed in the mounting table 31 corresponding to the mounting hole, the axis of the first threaded hole is perpendicular to the mounting table 31, the first threaded hole penetrates through the top surface and the bottom surface of the mounting table 31, the first screw rod 32 is in threaded connection with the first threaded hole, and the tail end of the first screw rod 32 penetrates through the first threaded hole and then extends into the mounting hole and abuts against the spring 35; in order to better extrude the spring 35 by the first screw 32, a pressing block 36 is arranged between the first screw 32 and the spring 35, and the first screw 32 presses the spring 35 through the pressing block 36; the head end of the first screw rod 32 is arranged below the mounting table 31, a sufficient space is reserved below the mounting table 31 for adjusting the first screw rod 32, a locking nut 37 is arranged on the first screw rod 32, the locking nut 37 abuts against the bottom of the mounting table 31, when the first screw rod 32 needs to be adjusted, the locking nut 37 is unscrewed, and the head end of the first screw rod 32 is operated through a tool. A through hole is horizontally arranged on the sliding block 34, the through hole is vertical to the first threaded hole, and the through hole penetrates through the inner side face and the outer side face of the sliding block 34; a second threaded hole is formed in the carriage 1 corresponding to the through hole, the tail end of the second screw rod 33 penetrates through the through hole of the sliding block 34 and then is locked at the second threaded hole, the head end of the second screw rod 33 is arranged on the outer side surface of the sliding block 34, and enough space is reserved at the position for adjusting the second screw rod 33; the through hole is a long hole, and the second screw 33 can move up and down relative to the through hole.
The clearance adjusting method comprises the following steps:
(1) When the gap between the sliding block 34 and the lower guide rail 21 needs to be adjusted, the second screw 33 is loosened, and the sliding block 34 is jacked upwards under the action of the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail 21 again;
(2) Locking the second screw rod 33 again to fix the position of the sliding block 34;
(3) When the clearance between the slide block 34 and the lower guide rail 21 is too large, the first screw rod 32 is screwed, and the elastic body is further compressed; then the second screw 33 is unscrewed, and the slide block 34 is jacked upwards under the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail 21 again; and finally, locking the second screw 33 to fix the position of the sliding block 34.

Claims (9)

1. The utility model provides a portal machine tool planker clearance adjustment device, the crossbeam bottom of portal machine tool is equipped with the lower guideway, and the bottom surface glide plane of lower guideway is inclined plane, its characterized in that: the clearance adjusting device comprises a sliding block, a first screw rod, a second screw rod and an installation platform, wherein the sliding block is in sliding fit with a sliding surface of the lower guide rail, the installation platform is arranged below the sliding block and is connected with the dragging plate, an installation hole is formed in the bottom of the sliding block, an elastic body is arranged in the installation hole, a first threaded hole is formed in the installation platform corresponding to the installation hole, the first screw rod is in threaded connection with the first threaded hole, one end of the first screw rod penetrates through the first threaded hole and then extends into the installation hole, the elastic body abuts against the first threaded hole, a through hole is horizontally formed in the sliding block, a second threaded hole is formed in the dragging plate corresponding to the through hole, and the second screw rod is locked at the second threaded hole after penetrating through the through hole of the sliding block.
2. The device of claim 1, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: the elastic body is a spring.
3. The device of claim 2, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: and a pressing block is arranged between the first screw and the spring.
4. The device of claim 1, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: the mounting table and the carriage are of an integrated structure.
5. The device of claim 1, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: the slide block is in a long strip shape, and the length of the slide block is the same as that of the carriage; the top surface of the sliding block is an inclined surface and is attached to the lower guide rail, and one surface of the sliding block, facing the carriage, is a plane and is attached to the carriage.
6. The device of claim 1, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: the through hole is a long hole, and the second screw rod can move up and down relative to the through hole.
7. The device of claim 1, wherein the gap adjusting device for the carriage of the gantry machine tool comprises: and a locking nut is arranged on the first screw rod and is abutted against the bottom of the mounting table.
8. The adjusting method of the gap adjusting device for the carriage of the gantry machine tool as claimed in claim 1, characterized by comprising the following steps:
(1) When the gap between the sliding block and the lower guide rail needs to be adjusted, the second screw rod is unscrewed, and the sliding block is jacked upwards under the action of the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail again;
(2) And locking the second screw rod again to fix the position of the sliding block.
9. The method of claim, wherein the method for adjusting the gap between the carriages of the gantry machine tool comprises: (3) When the clearance between the sliding block and the lower guide rail is too large, the first screw rod is screwed down, and the elastic body is further compressed; then the second screw rod is unscrewed, and the sliding block is jacked upwards under the action of the elastic force of the elastic body and is attached to the sliding surface of the lower guide rail again; and finally, locking the second screw rod to fix the position of the sliding block.
CN202211235657.7A 2022-10-10 2022-10-10 Gap adjusting device and method for dragging plate of gantry machine tool Pending CN115592424A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202211235657.7A CN115592424A (en) 2022-10-10 2022-10-10 Gap adjusting device and method for dragging plate of gantry machine tool

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202211235657.7A CN115592424A (en) 2022-10-10 2022-10-10 Gap adjusting device and method for dragging plate of gantry machine tool

Publications (1)

Publication Number Publication Date
CN115592424A true CN115592424A (en) 2023-01-13

Family

ID=84846630

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202211235657.7A Pending CN115592424A (en) 2022-10-10 2022-10-10 Gap adjusting device and method for dragging plate of gantry machine tool

Country Status (1)

Country Link
CN (1) CN115592424A (en)

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