Lathe body structure of ultra-precision grinding machine

Abstract

A lathe bed structure of an ultra-precision grinding machine comprises a lathe bed body, and two guide rails which are spaced front and back and extend left and right are arranged at the top of the lathe bed body. The lathe bed main body comprises an upper plate, at least one middle plate and a lower plate which are sequentially arranged at intervals from top to bottom; the upper and lower adjacent plates are connected into a whole through supporting rib plate groups; the supporting rib plate group is divided into two rows of supporting rib plates which are spaced front and back, and the two rows of supporting rib plates are located under the two guide rails respectively; each column of supporting rib plates comprises a plurality of supporting rib plates which are spaced left and right; the supporting rib plates are vertically connected to the adjacent plates, and hollow holes are formed between the left-right adjacent supporting rib plates and between the upper-lower adjacent plates. A middle hole extending left and right is formed between the two rows of supporting rib plates spaced front and back. A plurality of densely distributed supporting rib plates are arranged aiming at the guide rail, so that the supporting bearing capacity of the lathe bed structure can be practically improved, particularly, the supporting performance on the emphatically pressed guide rail area is good, and bending deformation can be resisted.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding machine, in particular to a bed structure of super precision grinding machine. BACKGROUND

[0002] Super precision grinding machine is widely used in various fields of industrial production, such as aviation, aerospace, national defense and military industry and other core special fields of our country. With the application of complex curved surface in high-performance parts more and more widely, the precision of numerical control machine tool is also strict. Among them, the front bed body and the rear bed body are one of the main basic components of the machine tool, not only support and connect various components of the machine tool, but also need to bear various loads such as cutting force. Therefore, the dynamic performance of the front and rear bed bodies not only affects the machining accuracy of the machine tool, but also determines the dynamic characteristics of the whole machine tool.

[0003] Now like Chinese patent CN220197306U, a front bed body with high strength rib plate structure, in the scheme, by setting up continuous arrangement and symmetry rice character rib plate group, at the same time, in the center of rice character rib plate, set up annular reinforcing hole, can improve the bearing capacity and bending resistance of front bed body. However, in actual use, because the two guide rails on the top of the front bed body are distributed on the two sides of the annular reinforcing hole in the center of each rice character rib plate group, the guide rail is supported by the two sides of the inclined edge of the rice character rib plate when it is pressed, and there is still a problem of insufficient support after long-term use. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing a bed structure of super precision grinding machine, which has the advantages of high bearing capacity and strong bending resistance.

[0005] In order to achieve the above purpose, the solution of the utility model is as follows:

[0006] A bed structure of super precision grinding machine, comprising a bed body main body, the top of the bed body main body is provided with two front and rear spaced and left and right extending guide rails;

[0007] The bed body main body comprises upper plates, at least one intermediate plate and lower plates which are sequentially and spaced arranged up and down;

[0008] Each plate adjacent up and down is connected as a whole by a support rib plate group; the support rib plate group is divided into two rows of support rib plates which are spaced front and rear, and the two rows of support rib plates are located directly below the two guide rails respectively;

[0009] Each row of support rib plates comprises a plurality of left and right spaced support rib plates, and the support rib plates are perpendicular to the guide rails; each support rib plate is connected to the adjacent plate up and down, and the left and right adjacent support rib plates and the upper and lower adjacent plates form a hollow hole;

[0010] The two rows of support rib plates spaced front and rear form a left and right extending intermediate hole.

[0011] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0012] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0013] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0014] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0015] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0016] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0017] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0018] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0019] Further, the inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, which is connected between the adjacent support rib plate and the adjacent upper and lower plate.

[0020] According to the technical scheme, the multiple support rib plates densely arranged on the guide rails can effectively improve the support and bearing capacity of the bed body structure, especially the support performance of the guide rail area under pressure, and can resist bending deformation; and the hollow holes are formed to reduce the weight. The middle holes extending left and right are formed between the two rows of support rib plates spaced front and back, so as to further reduce the weight of the bed body main body, save materials, facilitate product assembly, and ensure the bearing performance. BRIEF DESCRIPTION OF DRAWINGS

[0021] Figure 1 It is a perspective view of the embodiment of the utility model;

[0022] Figure 2 It is a front view of the embodiment of the utility model;

[0023] Figure 3 It is a left view of the embodiment of the utility model;

[0024] Figure 4 It is a perspective view of the embodiment of the utility model (one);

[0025] Figure 5 It is a perspective view of the embodiment of the utility model (two);

[0026] Figure 6 It is a perspective view of the embodiment of the utility model (three).

[0027] Label explanation: bed body main body 1, guide rail 11, upper plate 12, middle plate 13, lower plate 14, side bottom hole 141, middle bottom hole 142, support rib plate group 15, support rib plate 151, hollow hole 16, first annular support rib 161, middle hole 17, second annular support rib 171, included angle 18, front connecting wall 191, rear connecting wall 192, recess structure 193, lock hole 194. DETAILED DESCRIPTION

[0028] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical scheme of the embodiments of the present application will be described clearly and completely below in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are part of the embodiments of the present application, not all the embodiments. The components of the embodiments of the present application described and shown in the drawings here can be arranged and designed in various different configurations.

[0029] As Figures 1 to 6 shown, the bed body structure of the ultra-precision grinding machine of the embodiment includes a bed body main body 1, and the top of the bed body main body 1 is provided with two guide rails 11 spaced front and back and extending left and right; the bed body main body 1 can be used for a front bed body or a rear bed body, and the front bed body is taken as an example for description in the embodiment.

[0030] Referring to Figure 6The bed body 1 comprises an upper plate 12, at least one intermediate plate 13 and a lower plate 14 arranged in sequence from top to bottom.

[0031] Referring to Figure 4 The support rib group 15 is divided into two rows of support ribs 151 spaced front and back, and the two rows of support ribs 151 are located directly below the two guide rails 11 respectively; each row of support ribs 151 comprises a plurality of support ribs 151 spaced left and right, and the support ribs 151 are perpendicular to the guide rails 11; each support rib 151 is connected to the adjacent plates from top to bottom, and the left and right adjacent support ribs 151 and the top and bottom adjacent plates form a hollow hole 16; thus, the plurality of support ribs 151 densely arranged for the guide rails 11 can effectively improve the support and load capacity of the bed body structure, especially the support performance of the guide rail 11 area under pressure, which can resist bending deformation; and the hollow hole 16 is formed to reduce weight.

[0032] The two rows of support ribs 151 spaced front and back can form a left and right extending middle hole 17 to further reduce the weight of the bed body 1, save materials, facilitate product assembly, and ensure the load capacity.

[0033] In the embodiment, the intermediate plate 13 is taken as an example for illustration, and there can be one, three or more; and the adjacent intermediate plates 13 are also connected by the support rib group 15; meanwhile, the support ribs 151 of the support rib group 15 adjacent from top to bottom in the bed body 1 correspond to each other from top to bottom, so that the support ribs 151 are connected from top to bottom as a whole to have better support force.

[0034] As Figure 4 And Figure 6 The inner wall of the hollow hole 16 can be protrudingly formed with at least one first annular support rib 161 connected between the adjacent support ribs 151 and the adjacent top and bottom plates. By arranging the first annular support rib 161 in each hollow hole 16, the support performance of the hollow hole 16 can be improved.

[0035] Specifically, the hollow hole 16 of the embodiment can be formed with three first annular support ribs 161 spaced front and back, and the embodiment is formed with three first annular support ribs 161 in each hollow hole 16 above the two intermediate plates 13, and each first annular support rib 161 is perpendicular to the support rib 151, the front and back first annular support ribs 161 are connected to the front and back ends of the support rib 151, and the middle first annular support rib 161 is connected to the middle part of the support rib 151.

[0036] The plurality of first annular support ribs 161 can further improve the support force of the hollow hole 16, thereby improving the support performance below the guide rail 11; each first annular support rib 161 can not only support the adjacent upper and lower plates, but also support the adjacent left and right support rib plates 151, thereby improving the structural stability and the support carrying capacity of the overall bed structure.

[0037] In the embodiment, the inner wall of the middle hole 17 is protrudingly formed with a plurality of second annular support ribs 171 arranged at intervals left and right, and each second annular support rib 171 is connected between the front and rear adjacent support rib plates 151 and the upper and lower plates. Similarly, by arranging the second annular support rib 171, the upper and lower plates can be supported, and the front and rear adjacent support rib plates 151 can also be supported, thereby further improving the structural stability and the support carrying capacity of the overall bed structure.

[0038] Meanwhile, the included angle 18 between the first annular support rib 161 and the inner wall of the hollow hole 16 is chamfered, and the included angle 18 between the second annular support rib 171 and the inner wall of the middle hole 17 is also chamfered. In order to reduce stress and ensure support performance.

[0039] Referring to Figure 3 , the middle hole 17 can pass through the left and right sides of the bed body 1. The hollow hole 16 can be connected to the middle hole 17. The hollow hole 16 above the two middle plates 13 is also connected to the front and rear sides of the bed body 1. In order to facilitate product forming.

[0040] As shown in Figure 5 , the bottom of the lower plate 14 can have a plurality of side bottom holes 141 connected to each hollow hole 16 on the lower plate 14; the bottom of the lower plate 14 has a plurality of middle bottom holes 142, each middle bottom hole 142 is located between adjacent second annular support ribs 171 and is connected to the middle hole 17 on the lower plate 14. It can facilitate product forming and further weight reduction.

[0041] Meanwhile, the front and rear sides of the lower plate 14 and the adjacent middle plate 13 can be provided with a front connecting wall 191 and a rear connecting wall 192, and a plurality of recessed structures 193 are recessed inward on the front connecting wall 191 and the rear connecting wall 192 respectively, each recessed structure 193 is spaced left and right and corresponds to the position of part of the support rib plate 151, and in the embodiment, each recessed structure 193 on the front side and the rear side is spaced by one support rib plate 151, and the front connecting wall 191 and the rear connecting wall 192 also have a supporting effect.

[0042] The bottom of the recessed structure 193 is provided with a lock hole 194 on the lower plate 14. In order to facilitate the product to be assembled on the grinding machine.

[0043] The above merely describes preferred embodiments of the present application, and the protection scope of the present application is not limited to the above-mentioned embodiments. Any technical solution falling within the concept of the present application shall fall within the protection scope of the present application. It should be noted that equivalent changes and modifications made by those skilled in the art without departing from the principles of the present application shall still fall within the protection scope of the present application.

[0044] In the description of the embodiments of the present application, it should be understood that the indicated orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, or is the orientation or positional relationship commonly used when the product of the application is used, or is the orientation or positional relationship commonly understood by those skilled in the art, and is merely for the convenience of describing the present application and simplifying the description, and is not intended to indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In the description of the present application, the meaning of "a plurality of" and "several" is two or more, unless otherwise explicitly and specifically limited.

Claims

1. A bed structure of an ultra-precision grinding machine, characterized in that: comprising a bed main body, the top of the bed main body is provided with two front and rear spaced and left and right extending guide rails; the bed main body comprises upper plate, at least one intermediate plate and lower plate arranged in sequence from top to bottom; each of the upper and lower adjacent plates is connected as a whole by a support rib plate group; the support rib plate group is divided into two columns of support rib plates spaced front and rear, and the two columns of support rib plates are located directly below the two guide rails respectively; each column of support rib plates comprises a plurality of left and right spaced support rib plates, and the support rib plates are perpendicular to the guide rails; each support rib plate is connected to the adjacent plate from top to bottom, and the left and right adjacent support rib plates and the upper and lower adjacent plates form a hollow hole; the front and rear spaced two columns of support rib plates form a left and right extending middle hole. The inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, and the first annular support rib is connected between the adjacent support rib plates and the adjacent upper and lower plates. The inner wall of the hollow hole is protrudingly formed with three first annular support ribs spaced front and rear, and each first annular support rib is perpendicular to the support rib plate, and the front and rear two first annular support ribs are connected to the front and rear ends of the support rib plate, and the middle first annular support rib is connected to the middle part of the support rib plate. The inner wall of the middle hole is protrudingly formed with a plurality of second annular support ribs arranged left and right, and each second annular support rib is connected between the front and rear adjacent support rib plates and the upper and lower plates. The inner wall of the hollow hole is protrudingly formed with at least one first annular support rib, and the first annular support rib is connected between the adjacent support rib plates and the adjacent upper and lower plates; the inner wall of the middle hole is protrudingly formed with a plurality of second annular support ribs arranged left and right, and each second annular support rib is connected between the front and rear adjacent support rib plates and the upper and lower plates; the included angle between the first annular support rib and the inner wall of the hollow hole is chamfered, and the included angle between the second annular support rib and the inner wall of the middle hole is chamfered. The left and right sides of the middle hole penetrate through the left and right sides of the bed main body; the hollow hole is communicated with the middle hole.

2. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: The intermediate plate is two or more; the adjacent intermediate plates are also connected by a support rib plate group; each support rib plate of the support rib plate group of the upper and lower adjacent plates in the bed main body is correspondingly connected from top to bottom.

3. The structure of the machine bed of the ultra-precision grinding machine according to claim 2, characterized in that: The bottom of the lower plate has a plurality of side bottom holes communicating with each hollow hole on the lower plate; the bottom of the lower plate has a plurality of middle bottom holes, and each middle bottom hole is located between the adjacent second annular support ribs and communicates with the middle hole on the lower plate.

4. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: The front and rear sides of the lower plate and the adjacent intermediate plate are provided with front and rear connecting walls, and a plurality of recessed structures are concavely arranged on the front and rear connecting walls respectively; the recessed structures are left and right spaced and correspond to the positions of part of the support rib plates respectively, and a lock hole is arranged on the bottom of the recessed structure.

5. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: The bed main body is used for a front bed or a rear bed.

6. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: ​ 7. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: ​ 8. The structure of the machine bed of the ultra-precision grinding machine according to claim 4, characterized in that: ​ 9. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: ​ 10. The structure of the machine bed of the ultra-precision grinding machine according to claim 1, characterized in that: ​

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