Gantry ram assembling method and structure

Abstract

The invention discloses a gantry ram assembling method and structure and belongs to the field of machine tools. According to the gantry ram assembling method, coarse positioning is conducted on a pressing plate and a sliding saddle through side edges, the pressing plate and the sliding saddle which are subjected to coarse positioning are fixed through a first fastener, and at the moment, a mounting area is formed between the pressing plate and the sliding saddle; the fixed pressing plate and the sliding saddle serve as a whole, the pressing plate and the sliding saddle are machined at the same time, and a plurality of key grooves are machined in the pressing plate and the sliding saddle; fixing keys are installed in the key grooves so that the pressing plate and the sliding saddle can be further fixed; taking the second positioning surface and the third positioning surface of the sliding saddle as a reference, enabling the second positioning surface to be adjacent to and perpendicular to the third positioning surface, and placing the ram in the mounting area; a fit strip assembly is mounted in a gap between the ram and the saddle, and a fit strip assembly is mounted in a gap between the ram and the pressing plate; through the steps, the connecting strength of the pressing plate and the sliding saddle is high, and the stability of the ram is better during powerful cutting; the guide rail is longer in service life and more stable and reliable in machining.

Description

Technical Field

[0001] The invention relates to the field of machine tools, and in particular to an assembly method and structure of a gantry slide. Background Art

[0002] A CNC machine tool is an automated machine tool equipped with a program control system. It can move the machine tool and process parts according to the programmed program. It integrates mechanical, automation, computer and microelectronic technologies to solve the processing problems of complex and precision parts. It is a flexible and high-efficiency automated machine tool with a high degree of automation, which is conducive to the modernization of production management, shortens the production cycle, and saves a lot of process equipment costs. The saddle, as a structural part above the crossbeam of most current machining centers, has a great influence on the machining accuracy.

[0003] In the prior art, the fixing method of the pressure plate and the slide saddle is to locate by pins and lock by screws. In general cutting, the strength is sufficient, but in strong cutting, especially left and right cutting, the inclusive strength of the slide saddle and the pressure plate is insufficient, which will cause vibration and affect processing. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, one of the objectives of the present invention is to provide a gantry slide assembly method with high structural strength and high processing accuracy.

[0005] In order to overcome the deficiencies of the prior art, a second object of the present invention is to provide a gantry slide assembly structure with high structural strength and high processing precision.

[0006] One of the purposes of the present invention is achieved by the following technical solution:

[0007] A gantry ram assembly method comprises the following steps:

[0008] The pressing plate and the sliding saddle are roughly positioned through the side, and the roughly positioned pressing plate and the sliding saddle are fixed through a first fastener, and a mounting area is formed between the pressing plate and the sliding saddle;

[0009] The fixed pressing plate and the sliding saddle are taken as a whole, and the pressing plate and the sliding saddle are processed simultaneously to form a plurality of keyways on the pressing plate and the sliding saddle;

[0010] Installing a fixing key in the keyway to further fix the pressing plate and the saddle;

[0011] Taking the second positioning surface and the third positioning surface of the saddle as references, the second positioning surface is adjacent to and perpendicular to the third positioning surface, and placing the ram in the installation area;

[0012] A strip insert assembly is installed in the gap between the ram and the saddle, and a strip insert assembly is installed in the gap between the ram and the pressure plate.

[0013] Furthermore, the gap between the slide ram and the slide saddle is parallel to the third positioning surface, and the gap between the slide ram and the pressure plate is parallel to the second positioning surface.

[0014] Furthermore, the second positioning surface and the third positioning surface are both guide rail surfaces.

[0015] Furthermore, the pressure plate includes a main body and a convex strip extending from the main body, the length of the convex strip is smaller than the length of the main body, the saddle is provided with a slide groove for forming the installation area, the convex strip is located in the slide groove, and the edge of the convex strip forms the side for rough positioning.

[0016] Furthermore, the first fastener is a screw.

[0017] The second object of the present invention is achieved by adopting the following technical solution:

[0018] A gantry ram assembly structure is used to implement any one of the above-mentioned gantry ram assembly methods, the gantry ram assembly structure includes a saddle, a pressure plate, a first fastener and a ram, the saddle is provided with a slide groove, the pressure plate and the saddle are fixed by the first fastener, an installation area is formed between the pressure plate and the saddle, the pressure plate and the saddle are provided with a keyway, the gantry ram assembly structure also includes a fixing key and a fillet assembly, the fixing key is installed in the keyway of the pressure plate and the saddle, the ram is located in the installation area, the fillet assembly is installed in the gap between the ram and the saddle, and the fillet assembly is installed in the gap between the ram and the pressure plate.

[0019] Furthermore, the first fastener is a screw.

[0020] Furthermore, the fixed key is a flat key.

[0021] Furthermore, the pressure plate includes a main body and a convex strip extending from the main body, the length of the convex strip is smaller than the length of the main body, the saddle is provided with a slide groove for forming the installation area, the convex strip is located in the slide groove, and the edge of the convex strip forms a side for rough positioning of the pressure plate and the saddle.

[0022] Furthermore, the slide saddle is provided with two guide rail surfaces, the two guide rail surfaces are perpendicular to each other, and the two guide rail surfaces are positioning surfaces between the slide ram and the slide saddle.

[0023] Compared with the prior art, the gantry slide assembly method of the present invention performs rough positioning of the pressure plate and the saddle through the side, and fixes the roughly positioned pressure plate and the saddle through the first fastener, at which time an installation area is formed between the pressure plate and the saddle; the fixed pressure plate and the saddle are taken as a whole, and the pressure plate and the saddle are processed simultaneously, and a plurality of key slots are formed on the pressure plate and the saddle; the fixing key is installed in the key slot to further fix the pressure plate and the saddle; the second positioning surface and the third positioning surface of the saddle are used as references, and the second positioning surface is adjacent to and perpendicular to the third positioning surface, and the slide is placed in the installation area; the insert strip assembly is installed in the gap between the slide and the saddle, and the insert strip assembly is installed in the gap between the slide and the pressure plate; through the above steps, the connection strength between the pressure plate and the saddle is high, and the slide stability is better during strong cutting; the guide rail has a longer service life, and the processing is more stable and reliable. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 It is a flow chart of the gantry ram assembly method of the present invention;

[0025] Figure 2 A top view of the gantry ram assembly structure of the present invention;

[0026] Figure 3 for Figure 2 Enlarged view of the gantry ram assembly structure A;

[0027] Figure 4 for Figure 2 Front view of the gantry ram assembly structure;

[0028] Figure 5 for Figure 2 Bottom view of the gantry ram assembly structure.

[0029] In the figure: 10, saddle; 11, slide groove; 12, first positioning surface; 13, second positioning surface; 14, third positioning surface; 20, pressure plate; 21, main body; 22, convex strip; 220, side; 30, first fastener; 40, keyway; 50, fixing key; 60, main shaft; 70, slide pillow; 80, insert assembly; 81, insert main body; 82, second fastener; 83, set screw; 90, third fastener. DETAILED DESCRIPTION

[0030] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0031] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as those commonly understood by those skilled in the art of the present invention. The terms used herein in the specification of the present invention are only for the purpose of describing specific embodiments and are not intended to limit the present invention. The term "and / or" used herein includes any and all combinations of one or more related listed items.

[0032] See also Figures 1 to 5 The present invention provides a gantry ram assembly method, comprising the following steps:

[0033] The pressing plate 20 and the saddle 10 are roughly positioned by the side edge 220, and the roughly positioned pressing plate 20 and the saddle 10 are fixed by the first fastener 30, and at this time, a mounting area is formed between the pressing plate 20 and the saddle 10;

[0034] The fixed pressing plate 20 and the saddle 10 are taken as a whole, and the pressing plate 20 and the saddle 10 are processed simultaneously to form a plurality of key grooves 40 on the pressing plate 20 and the saddle 10;

[0035] Install the fixing key 50 in the keyway 40 to further fix the pressing plate 20 and the saddle 10;

[0036] With the second positioning surface 13 and the third positioning surface 14 of the saddle 10 as references, the second positioning surface 13 is adjacent to and perpendicular to the third positioning surface 14, and the ram 70 is placed in the installation area;

[0037] A strip insert assembly 80 is installed in the gap between the ram 70 and the saddle 10 , and a strip insert assembly 80 is installed in the gap between the ram 70 and the pressure plate 20 .

[0038] Specifically, the pressing plate 20 includes a main body 21 and a convex strip 22 extending from the main body 21, the length of the convex strip 22 is less than the length of the main body 21, the slide saddle 10 is provided with a slide groove 11 for forming a mounting area, the convex strip 22 is located in the slide groove 11, and the edge of the convex strip 22 forms a side edge 220 for roughly positioning the pressing plate 20 and the slide saddle 10. The first fastener 30 is a screw.

[0039] The fixed key 50 is a flat key.

[0040] The second positioning surface 13 and the third positioning surface 14 of the saddle 10 are both guide rail surfaces. The main shaft 60 is fixed on the ram 70, and the main shaft 60 is fixed to the ram 70 through a third fastener 90. Specifically, the third fastener 90 is a screw.

[0041] The insert strip assembly 80 is wedge-shaped, and the installation tightness between the slide ram 70 and the slide saddle 10 is adjusted by the insert strip assembly 80 .

[0042] The present application also discloses a gantry ram assembly structure for implementing the gantry ram assembly method. The gantry ram assembly structure includes a saddle 10, a pressure plate 20, a first fastener 30, a fixing key 50, a spindle 60, a ram 70, a slat assembly 80 and a third fastener 90.

[0043] The slide saddle 10 is provided with a slide groove 11, which is rectangular, and the two adjacent surfaces of the slide groove 11 are guide rail surfaces, and the two guide rail surfaces respectively form a second positioning surface 13 and a third positioning surface 14. The second positioning surface 13 is perpendicular to the third positioning surface 14. The slide groove 11 is an open structure, and the opening of the slide groove 11 is recessed to form a first positioning surface 12, and the first positioning surface 12 is parallel to the third positioning surface 14.

[0044] The pressing plate 20 includes a main body 21 and a convex strip 22 extending from the main body 21 . The length of the convex strip 22 is less than that of the main body 21 . The edge of the convex strip 22 forms a side edge 220 for roughly positioning the pressing plate 20 and the saddle 10 .

[0045] The first fastener 30 is a screw.

[0046] The fixed key 50 is a flat key.

[0047] The main shaft 60 is fixed to the ram 70 via a third fastener 90 , and the third fastener 90 is a screw.

[0048] The ram 70 is in the shape of a rectangular parallelepiped as a whole.

[0049] The trim assembly 80 includes a trim body 81 , a second fastener 82 and a set screw 83 , wherein the second fastener 82 is a screw.

[0050] When assembling the gantry ram assembly structure, the pressing plate 20 and the saddle 10 are roughly positioned through the side 220, and the roughly positioned pressing plate 20 and the saddle 10 are fixed by the first fastener 30, at which time an installation area is formed between the pressing plate 20 and the saddle 10; the fixed pressing plate 20 and the saddle 10 are taken as a whole, and the pressing plate 20 and the saddle 10 are processed simultaneously, and a plurality of key slots 40 are formed on the pressing plate 20 and the saddle 10; the fixing key 50 is installed in the key slot 40 to further fix the pressing plate 20 and the saddle 10. With the second positioning surface 13 and the third positioning surface 14 of the saddle 10 as references, the second positioning surface 13 and the third positioning surface 14 are adjacent and perpendicular, and the ram 70 is placed in the installation area; the insert strip assembly 80 is installed in the gap between the ram 70 and the saddle 10, and the insert strip assembly 80 is installed in the gap between the ram 70 and the pressing plate 20. Through the above steps, the connection strength between the pressure plate 20 and the slide saddle 10 is high, and the slide ram 70 is more stable during strong cutting; the service life of the guide rail is longer, and the processing is more stable and reliable.

[0051] The above embodiments only express several implementation methods of the present invention, and the descriptions thereof are relatively specific and detailed, but they cannot be understood as limiting the scope of the invention patent. It should be pointed out that, for ordinary technicians in this field, several modifications and improvements can be made without departing from the concept of the present invention, which are equivalent modifications and improvements made to the above embodiments based on the essential technology of the present invention, and all of them belong to the protection scope of the present invention.

Claims

1. A gantry ram assembly method, characterized in that: The following steps are involved: The pressing plate and the sliding saddle are roughly positioned through the side, and the roughly positioned pressing plate and the sliding saddle are fixed through a first fastener, and a mounting area is formed between the pressing plate and the sliding saddle; The fixed pressing plate and the sliding saddle are taken as a whole, and the pressing plate and the sliding saddle are processed simultaneously to form a plurality of keyways on the pressing plate and the sliding saddle; Installing a fixing key in the keyway to further fix the pressing plate and the saddle; Taking the second positioning surface and the third positioning surface of the saddle as references, the second positioning surface is adjacent to and perpendicular to the third positioning surface, and placing the ram in the installation area; A strip insert assembly is installed in the gap between the ram and the saddle, and a strip insert assembly is installed in the gap between the ram and the pressure plate.

2. The gantry ram assembly method according to claim 1, characterized in that: The gap between the ram and the saddle is parallel to the third positioning surface, and the gap between the ram and the pressure plate is parallel to the second positioning surface.

3. The gantry ram assembly method according to claim 2, characterized in that: The second positioning surface and the third positioning surface are both guide rail surfaces.

4. The gantry ram assembly method according to claim 1, characterized in that: The pressure plate includes a main body and a convex strip extending from the main body, the length of the convex strip is smaller than the length of the main body, the saddle is provided with a slide groove for forming the installation area, the convex strip is located in the slide groove, and the edge of the convex strip forms the side for rough positioning.

5. The gantry ram assembly method according to claim 1, characterized in that: The first fastener is a screw.

6. A gantry ram assembly structure, used for implementing the gantry ram assembly method according to any one of claims 1 to 5, the gantry ram assembly structure comprising a saddle, a pressure plate, a first fastener and a ram, characterized in that: The saddle is provided with a slide groove, the pressure plate and the saddle are fixed by the first fastener, an installation area is formed between the pressure plate and the saddle, key grooves are provided on the pressure plate and the saddle, the gantry slide ram assembly structure also includes a fixed key and a insert strip assembly, the fixed key is installed in the key grooves of the pressure plate and the saddle, the ram is located in the installation area, the insert strip assembly is installed in the gap between the ram and the saddle, and the insert strip assembly is installed in the gap between the ram and the pressure plate.

7. The gantry ram assembly structure according to claim 6, characterized in that: The first fastener is a screw.

8. The gantry ram assembly structure according to claim 6, characterized in that: The fixed key is a flat key.

9. The gantry ram assembly structure according to claim 6, characterized in that: The pressure plate includes a main body and a convex strip extending from the main body, the length of the convex strip is smaller than the length of the main body, the saddle is provided with a slide groove for forming the installation area, the convex strip is located in the slide groove, and the edge of the convex strip forms the side for rough positioning of the pressure plate and the saddle.

10. The gantry ram assembly structure according to claim 6, characterized in that: The slide saddle is provided with two guide rail surfaces, the two guide rail surfaces are perpendicular to each other, and the two guide rail surfaces are positioning surfaces between the slide ram and the slide saddle.

Images