Lathe body measuring parallel arm

By designing a parallel arm for measuring the bed, the problem of difficulty in parallelism measurement caused by the excessive span of the guide rails in large gantry milling machines was solved, achieving high-precision guide rail parallelism detection and improving detection efficiency and equipment durability.

CN223572494UActive Publication Date: 2025-11-21L K PRECISION MACHINERY KUNSHAN
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Patent Information

Application Number
CN202423243385.2
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-27
Publication Date
2025-11-21
Estimated Expiration
2034-12-27

AI Technical Summary

Technical Problem

In large gantry milling machines, traditional measuring tools cannot meet the parallelism measurement requirements when the guide rail span is too large. Especially in moving beam gantry milling machines, ordinary marble straightedges cannot be used to measure across both sides of the bed.

Method used

A parallel arm for measuring bed was designed, including a support mounting base, an adjustment component, a moving plate, and an extension support. The distance between the fixed plates is adjusted by the adjustment component. Combined with a triangular structure and a reinforcing plate, stable support and accurate measurement of the moving plate are achieved. A dial indicator is used to detect the parallelism of the guide rail.

Benefits of technology

It improves the stability and accuracy of guide rail parallelism measurement, reduces the difficulty of inspection and the complexity of operation, is suitable for high-precision measurement needs, and extends the service life of the equipment.

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Abstract

The utility model relates to the technical field of machine tool assembling and measuring, in particular to a parallel arm for measuring a lathe bed, which comprises a bracket mounting seat arranged on a first lathe bed guide rail and a second lathe bed guide rail arranged on one side of the first lathe bed guide rail, and is characterized in that a fixed plate is arranged at one end of the bracket mounting seat, and an adjusting component is arranged on one side of the fixed plate; a moving plate is arranged on one side of the adjusting assembly, three sets of extending supports are arranged on one side of the moving plate, a triangle is formed among the three sets of extending supports, and a support flat plate is arranged at one end of each extending support; the adjusting assembly is used for adjusting the distance between the fixing plates; and a plurality of groups of reinforcing plates are arranged between the extension brackets. Compared with the prior art, the stability and precision of the parallel arm of the lathe bed in different working states are guaranteed, the overall strength of equipment is improved, the service life of the equipment is prolonged, and the high-precision measurement and operation requirements are met.
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Description

TECHNICAL FIELD

[0001] The utility model relates to machine tool assembly measurement technical field especially relates to a measure bed body parallel arm. BACKGROUND

[0002] Gantry machine tool (Gantry Machine Tool or Bridge Machine Tool) is a large, high-precision machine tool, mainly used for heavy industry and large parts processing. Gantry machine tool is usually composed of two vertical columns and a top beam connecting them, forming a portal structure. Due to its portal structure, the gantry machine tool has good stability and rigidity, suitable for bearing the force generated during the processing of large workpieces. The parallelism between the guide rails and the bridge needs to be measured and adjusted during installation.

[0003] In the prior art, the parallelism of the guide rails provided on the machine tool is very high, especially in some large machine tools, the span of the guide rails is very large, and after the customer purchases the machine tool, the guide rails are generally installed after the machine tool is delivered to the customer. After the installation of the guide rails, the parallelism between the two guide rails needs to be detected. The traditional measuring tools cannot meet the measurement requirements of the parallelism and equal height of the guide rails on the machine tool bed, especially for the dynamic beam type gantry machine tool, the effective door width is greater than or equal to 3000mm, and the distance between the two sides of the bed body is too large. The length of the ordinary marble ruler cannot span the two sides of the bed body. Therefore, the utility model provides a measure bed body parallel arm to meet the demand of improving the convenience of gantry bed body parallel measurement. UTILITY MODEL CONTENTS

[0004] Therefore, the utility model provides a measure bed body parallel arm to solve the problem that the distance between the two sides of the bed body is too large and the length of the ordinary marble ruler cannot span the two sides of the bed body for measurement.

[0005] In order to achieve the above purpose, the utility model provides a measure bed body parallel arm, which comprises a first bed body guide rail and a second bed body guide rail arranged on two bed bodies respectively, a support mounting seat is arranged on the first bed body guide rail, one end of the support mounting seat is provided with a fixed plate, an adjusting assembly is arranged on one side of the fixed plate, a moving plate is arranged on one side of the adjusting assembly, three groups of extension supports are arranged on one side of the moving plate, the three groups of extension supports form a triangle, and a support flat plate is arranged at one end of the extension support.

[0006] Preferably, the adjusting assembly comprises a first mounting plate arranged on the fixed plate, guide rods are arranged through four corners of the first mounting plate, a limiting disc is arranged at one end of the guide rod, a second mounting plate is arranged at the other end of the guide rod, one end of the second mounting plate is connected with the moving plate, a rotating rod is arranged through the center of the first mounting plate, a threaded rod is arranged at one end of the rotating rod, a threaded sleeve is arranged on the first mounting plate, the threaded rod is arranged through the threaded sleeve, and one end of the threaded rod is rotationally connected with one side of the second mounting plate.

[0007] Preferably, the bracket flat plate is provided with a dial indicator at one end, and a dial indicator needle is arranged to point to a groove of the second headstock guide rail.

[0008] Preferably, one end of the rotating rod is provided with a rotating arm, and one side of the rotating arm is provided with a handle.

[0009] Preferably, a plurality of groups of mounting grooves are arranged through the rotating arm, the mounting grooves are equidistantly distributed, and one end of the handle can be inserted into the mounting grooves.

[0010] Preferably, a plurality of groups of reinforcing plates are arranged between the extension supports.

[0011] The beneficial effects of the utility model are as follows:

[0012] 1. The bracket mounting seat is connected with the first headstock guide rail, and the second headstock guide rail is arranged on one side of the bracket mounting seat, the adjusting assembly is arranged on the fixed plate at one end of the bracket mounting seat, the adjusting assembly can adjust the distance between the fixed plates, so as to realize the adjustment of the moving plate, the moving plate is connected with three groups of extension supports, the triangular structure between the extension supports provides stable supporting force, the bracket flat plate is arranged at the end of the extension support, the stability in the measurement process is ensured, meanwhile, the structure rigidity is enhanced through the plurality of groups of reinforcing plates between the extension supports, the durability and reliability of the whole equipment are improved; the precise distance adjustment is realized through the adjusting assembly, the stability and precision of the headstock parallel arm in different working states are ensured, the triangular structure between the extension supports effectively disperses the working load, the stability and carrying capacity of the support are improved, in addition, the plurality of groups of reinforcing plates greatly enhance the anti-deformation capacity of the structure, the overall strength and service life of the equipment are improved, and the equipment is suitable for high-precision measurement and operation requirements.

[0013] 2. When parallelism measurement is made on the guide rails on different gantry machines, the rotating rod is synchronously rotated by rotating the handle, at this time the threaded rod is rotated, the second mounting plate is moved under the guidance of the guide rod by the relative rotation of the threaded rod and the threaded sleeve, at this time the moving plate is moved to one side by the movement of the second mounting plate, thereby the distance adjustment of the extension support is realized, so as to adapt to the parallelism measurement of guide rails of different sizes and distances, and the precision during movement and the stability during adjustment are ensured by the different positions of the handle on the mounting groove.

[0014] 3. When the guide rails on the gantry machine are detected, the extension support is moved on the first bed body guide rail and the second bed body guide rail by pushing, the position of the fluctuation of the change of the micrometer value is recorded by the change of the micrometer reading at one end of the support flat plate, the guide rail position is adjusted, so that the parallelism of the guide rails on the machine bed is qualified, the detection difficulty and operation difficulty are reduced, and the detection efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] In order to more clearly illustrate the technical scheme of the present application or the prior art, the following will briefly introduce the drawings needed to be used in the embodiment or the prior art description. Obviously, the drawings in the following description are only the present application, and those skilled in the art can obtain other drawings according to these drawings without creating labor.

[0016] Figure 1 It is the first perspective view of the present application.

[0017] Figure 2 It is the second perspective view of the present application.

[0018] Figure 3 It is the schematic view of the adjusting assembly of the present application.

[0019] Figure 4 It is the local cut schematic view of the moving plate of the present application.

[0020] In the figure, the marks are: 1, first bed body guide rail; 2, second bed body guide rail; 3, support mounting seat; 4, fixed plate; 5, extension support; 6, moving plate; 7, support flat plate; 8, first mounting plate; 9, guide rod; 10, limiting disc; 11, second mounting plate; 12, rotating rod; 13, threaded rod; 14, threaded sleeve; 15, rotating arm; 16, handle; 17, mounting groove; 18, reinforcing plate. DETAILED DESCRIPTION

[0021] In order to make the purpose, technical scheme and advantages of the present application more clear and explicit, the following will further describe the present application in combination with specific embodiments.

[0022] It should be noted that, unless otherwise defined, technical or scientific terms used in the present application should be understood as having the common meaning in the field of the present application to which they belong. The terms "first", "second" and similar terms used in the present application do not indicate any order, number or importance, but are only used to distinguish different components. The terms "include" or "contain" and similar terms mean that the elements or objects listed before the term cover the elements or objects listed after the term and their equivalents, without excluding other elements or objects. The terms "connect" or "connected" and similar terms are not limited to physical or mechanical connections, but can include electrical connections, whether direct or indirect. The terms "up", "down", "left", "right" and the like are only used to indicate relative positional relationships, which may change accordingly when the absolute position of the described object changes.

[0023] As shown in Figures 1-4 A bed body parallel arm for measuring, comprising a first bed body guide rail 1 and a second bed body guide rail 2 respectively arranged on two bed bodies, a support mounting seat 3 is arranged on the first bed body guide rail 1, the support mounting seat 3 is installed on a sliding member on the first bed body guide rail 1, one end of the support mounting seat 3 is provided with a fixed plate 4, an adjusting assembly is arranged on one side of the fixed plate 4, a moving plate 6 is arranged on one side of the adjusting assembly, three groups of extension supports 5 are arranged on one side of the moving plate 6, a triangular shape is formed between the three groups of extension supports 5, and a support flat plate 7 is arranged at one end of the extension support 5; the adjusting assembly is used for adjusting the distance between the fixed plates 4; a plurality of reinforcing plates 18 are arranged between the extension supports 5;

[0024] The support mounting seat 3 is connected with the first bed body guide rail 1, and the second bed body guide rail 2 is arranged on one side of the support mounting seat 3, the adjusting assembly is installed on the fixed plate 4 at one end of the support mounting seat 3, the adjusting assembly can adjust the distance between the fixed plates 4 to realize the adjustment of the moving plate 6, the moving plate 6 is connected with the three groups of extension supports 5, the triangular structure between the extension supports 5 provides stable support force, the support flat plate 7 is arranged at the end of the extension support 5 to ensure the stability during the measurement process, at the same time, the structure rigidity is enhanced by the plurality of reinforcing plates 18 between the extension supports 5 to improve the durability and reliability of the whole equipment; the precise distance adjustment is realized by the adjusting assembly to ensure the stability and precision of the bed body parallel arm under different working conditions, the triangular structure between the extension supports 5 effectively disperses the working load to improve the stability and carrying capacity of the support, in addition, the plurality of reinforcing plates 18 greatly enhance the anti-deformation ability of the structure to improve the overall strength and service life of the equipment, which is suitable for high-precision measurement and operation requirements.

[0025] As shown in Figures 1-4As shown, the adjusting assembly comprises a first mounting plate 8 arranged on the fixed plate 4, a guide rod 9 penetrating through the four corners of the first mounting plate 8, a limiting disc 10 arranged at one end of the guide rod 9, a second mounting plate 11 arranged at the other end of the guide rod 9, one end of the second mounting plate 11 being connected with the moving plate 6, a rotating rod 12 penetrating through the center of the first mounting plate 8, a threaded rod 13 arranged at one end of the rotating rod 12, a threaded sleeve 14 arranged on the first mounting plate 8, the threaded rod 13 penetrating through the threaded sleeve 14, one end of the threaded rod 13 being rotatably connected with one side of the second mounting plate 11; one end of the rotating rod 12 is provided with a rotating arm 15, one side of the rotating arm 15 is provided with a handle 16; a plurality of mounting grooves 17 are arranged on the rotating arm 15, the mounting grooves 17 are equidistantly distributed, one end of the handle 16 can be inserted into the mounting groove 17;

[0026] When the parallelism of the guide rails on different gantry machine tools is measured, the rotating rod 12 can be synchronously rotated by rotating the handle 16, at this time, the threaded rod 13 can be rotated, the second mounting plate 11 can be moved under the guidance of the guide rod 9 by the relative rotation of the threaded rod 13 and the threaded sleeve 14, at this time, the moving plate 6 can be moved to one side by the movement of the second mounting plate 11, thereby the distance adjustment of the extension support 5 can be realized, so as to adapt to the parallelism measurement of guide rails of different sizes and distances, and the accuracy during movement and the stability during adjustment are ensured by the different positions of the handle 16 on the mounting groove 17.

[0027] As shown in Figure 1 and Figure 2 , one end of the support flat plate 7 is provided with a dial gauge, and the dial gauge needle points to the groove of the second bed rail 2;

[0028] When the guide rails of the gantry machine tool are detected, the extension support 5 is pushed to move on the first bed rail 1 and the second bed rail 2, the position where the dial gauge value changes is recorded by the change of the dial gauge reading at one end of the support flat plate 7, and the guide rail position is adjusted, so as to realize the parallelism of the guide rails on the machine tool bed until it is qualified, thereby reducing the detection difficulty and operation difficulty, and improving the detection efficiency.

[0029] It should be understood by those skilled in the art that the discussion of any of the above embodiments is merely exemplary and is not intended to suggest the scope of the present application (including claims) is limited to these examples; under the thought of the present application, the above embodiments or technical features in different embodiments can also be combined, the steps can be implemented in any order, and there are many other changes of different aspects of the present application as described above, which are not provided in detail for the sake of brevity.

[0030] The present application is intended to cover all such alternatives, modifications, and variations that fall within the broad scope of the appended claims. Accordingly, any and all such alternations, modifications, equivalents, improvements and the like are intended to be encompassed by the present application.

Claims

1. A measuring bed parallel arm comprising a first bed guide rail (1) and a second bed guide rail (2) respectively arranged on two beds, a bracket mounting seat (3) is arranged on the first bed guide rail (1), characterized in that, One end of the support mounting base (3) is provided with a fixed plate (4), one side of the fixed plate (4) is provided with an adjusting assembly, one side of the adjusting assembly is provided with a moving plate (6), one side of the moving plate (6) is provided with three groups of extension supports (5), three groups of the extension supports (5) form a triangle, one end of the extension support (5) is provided with a support flat plate (7). The adjusting assembly is used for adjusting the distance between the fixed plates (4).

2. The parallel arm of a measuring bed according to claim 1, characterized in that The adjusting assembly comprises a first mounting plate (8) provided on the fixed plate (4), guide rods (9) penetrating through four corners of the first mounting plate (8), limit discs (10) provided at one end of the guide rods (9), second mounting plates (11) provided at the other end of the guide rods (9), one end of the second mounting plate (11) connected with the moving plate (6), a rotating rod (12) penetrating through the center of the first mounting plate (8), threaded rods (13) provided at one end of the rotating rod (12), threaded sleeve rings (14) provided on the first mounting plate (8), the threaded rods (13) penetrating through the threaded sleeve rings (14), and one end of the threaded rods (13) rotatably connected with one side of the second mounting plate (11).

3. The parallel arm of claim 1, wherein, One end of the support flat plate (7) is provided with a micrometer, and the micrometer needle points to the groove of the second bed body guide rail (2).

4. The parallel arm of a bed according to claim 2, wherein One end of the rotating rod (12) is provided with a rotating arm (15), one side of the rotating arm (15) is provided with a handle (16).

5. A measuring bed parallel arm according to claim 4, characterized in that A plurality of mounting grooves (17) are penetratingly formed on the rotating arm (15), the mounting grooves (17) are equidistantly distributed, and one end of the handle (16) can be inserted into the mounting groove (17).

6. A measuring bed parallel arm according to claim 5, characterized in that A plurality of reinforcing plates (18) are arranged between the extension supports (5).