Square ram of double-wall structure and machining center

Abstract

The utility model relates to the technical field of square rams, in particular to a square ram with a double-wall structure and a machining center, which comprises a cuboid-shaped outer wall layer, a cylindrical inner wall layer and connecting ribs, the inner wall layer is connected in the outer wall layer through the connecting ribs, a mounting hole is arranged in the inner wall layer in a penetrating manner, and the mounting hole is communicated with the inner wall layer. The size of the cross section of the square ram does not exceed 300 * 300 mm. The square ram has the advantages that the area of the cross section of the square ram is smaller, the self weight of the square ram is greatly reduced, the overall rigidity of the square ram is improved, the torsion resistance and bending resistance are better, the square ram can extend into a working table of a machining center to machine a deeper workpiece, and the machining precision is higher.

Description

TECHNICAL FIELD

[0001] The utility model relates to square slide ram technical field, concretely relates to square slide ram and processing center of double -deck wall structure. BACKGROUND

[0002] As the most key component on major machine tool, slide ram is the pivot of the connection between crossbeam and main shaft, and plays the role of positioning and supporting main shaft and extending main shaft in structure. Its dimensional accuracy and accuracy stability will directly affect the accuracy of machine tool. Figure 1 As shown in 2 The structure of the existing square slide ram is 500*500mm in cross-sectional size, which is large and heavy, cannot be inserted into the workpiece for processing, bears the weight of the main shaft box in addition to its own weight, and is not balanced and stable in design, so that the centroid of the Z-axis assembly composed of the square slide ram and the main shaft is in front, deformation and stress concentration are prone to occur at the center of the crossbeam, the torsional and bending resistance of the square slide ram is poor, resonance occurs between the square slide ram and the main shaft, and the processing accuracy is insufficient. SUMMARY

[0003] The utility model aims at providing a square slide ram with double -deck wall structure to solve the above -mentioned technical problems.

[0004] To achieve the above purpose, the technical scheme of the utility model is as follows: a square slide ram with double -deck wall structure, which comprises an outer wall layer in the shape of a rectangular parallelepiped, an inner wall layer in the shape of a cylinder and connecting ribs, the inner wall layer is connected to the outer wall layer through the connecting ribs, the inner wall layer is provided with a mounting hole inside, and the size of the cross section of the square slide ram is not more than 300*300mm.

[0005] Preferably, the size of the cross section of the square slide ram is 300*300mm.

[0006] Preferably, the connecting ribs are distributed in the shape of a rice character between the outer wall layer and the inner wall layer.

[0007] Preferably, a plurality of first heat dissipation through holes are formed in the four side walls of the outer wall layer.

[0008] Preferably, the plurality of first heat dissipation through holes in each side wall of the outer wall layer are arranged in double rows.

[0009] Preferably, second heat dissipation through holes are formed in the two opposite side walls of the outer wall layer, and third heat dissipation through holes are formed in the opposite side walls of the inner wall layer, and the mounting through hole is in communication with the outside through the third heat dissipation through holes and the second heat dissipation through holes.

[0010] Preferably, the shape and size of the second heat dissipation through holes and the third heat dissipation through holes are the same and on the same axis.

[0011] Preferably, the mounting hole is a circular mounting hole, the outer wall layer comprises a first outer wall layer, a second outer wall layer and a third outer wall layer arranged coaxially in sequence, the connecting rib comprises a first connecting rib and a second connecting rib, the inner wall layer is connected in the first outer wall layer through the first connecting rib, the second connecting rib is connected in the second outer wall layer, the third outer wall layer extends inwardly to form a support body, a circular support hole coaxial with the circular mounting hole is formed in the support body, and the circular support hole and the circular mounting hole have the same shape and size in cross section.

[0012] Preferably, the second outer wall layer extends circumferentially inwardly to form a plurality of support plates, and the support plates cooperate with the second connecting rib to form a circular bayonet.

[0013] The utility model also provides a machining center which comprises the double-wall structure square slide block.

[0014] The utility model has the following beneficial effects:

[0015] The utility model discloses a double-wall structure square slide block which comprises an outer wall layer in the shape of a cuboid, an inner wall layer in the shape of a cylinder and a connecting rib, wherein the inner wall layer is connected in the outer wall layer through the connecting rib, and a mounting hole is arranged through the inner wall layer, the mounting hole is used for mounting a main shaft therein, and the size of the cross section of the square slide block is 300*300mm. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structure schematic view of prior art square slide block.

[0017] Figure 2 It is a transverse sectional view of prior art square slide block.

[0018] Figure 3 It is an appearance schematic view of the embodiment of the utility model under one visual angle.

[0019] Figure 4 It is an appearance schematic view of the embodiment of the utility model under another visual angle.

[0020] Figure 5 It is a longitudinal sectional view of the embodiment of the utility model.

[0021] Figure 6 This is a transverse sectional view of an embodiment of the present invention at the first outer wall layer.

[0022] Figure 7 This is a cross-sectional view of an embodiment of the present invention at the second outer wall layer.

[0023] Figure labels: 1 outer wall layer, 11 first outer wall layer, 12 second outer wall layer, 13 third outer wall layer, 2 inner wall layer, 3 connecting ribs, 31 first connecting ribs, 31 second connecting ribs, 4 mounting hole, 5 support body, 51 circular support hole, 6 first heat dissipation through hole, 7 second heat dissipation through hole, 8 third heat dissipation through hole, 9 support plate, 10 circular bayonet. Detailed Implementation

[0024] To further illustrate the various embodiments, the present invention provides accompanying drawings. These drawings are part of the disclosure of the present invention and are mainly used to illustrate the embodiments, and can be used in conjunction with the relevant descriptions in the specification to explain the operating principles of the embodiments. With reference to these drawings, those skilled in the art should be able to understand other possible implementations and the advantages of the present invention. Components in the drawings are not drawn to scale, and similar component symbols are generally used to represent similar components.

[0025] In the description of this utility model, unless otherwise stated, "a plurality of" means two or more; the terms "upper," "lower," "left," "right," "inner," "outer," "front end," "rear end," "head," "tail," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, and are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this utility model. In addition, the terms "first," "second," "third," etc., are used for descriptive purposes only and should not be construed as indicating or implying relative importance.

[0026] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "connected" and "linked" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium. Those skilled in the art can understand the specific meaning of the above terms in this utility model based on the specific circumstances.

[0027] See Figures 3-7As shown, as an embodiment of the utility model, provide a double wall structure's square slide rest, including cuboid outer wall layer 1, cylindrical inner wall layer 2 and connecting rib 3, inner wall layer 2 is connected in outer wall layer 1 through connecting rib 3, the inside of inner wall layer 2 is provided with mounting hole 4, mounting hole 4 is used for the main shaft installation in it, the size of the cross section of square slide rest is 300*300mm, compared with the size of the single wall structure's square slide rest of 500*500mm of prior art, the cross section area of the double wall structure's square slide rest of the utility model is smaller, the weight of square slide rest is greatly reduced, the overall rigidity of square slide rest is improved, and the torsional resistance and bending resistance are better, and square slide rest can be inserted into the worktable of machining center to process deeper workpieces, and the structure design of square slide rest is more balanced and stable, so that the overall centroid of Z-axis assembly composed of square slide rest and main shaft is in the center, is not easy to produce deformation and stress concentration in the center of crossbeam, so that the torsional resistance and bending resistance of square slide rest are better, and square slide rest and main shaft will not produce resonance, and the machining precision is higher.

[0028] In the embodiment, the connecting rib 3 is distributed in the form of a sun symbol between the outer wall layer 1 and the inner wall layer 2, which has better structural rigidity, better centroid centering, and more stable support. Of course, it can also be in other shapes as long as it is a sun-like divergent shape.

[0029] In the embodiment, a plurality of first heat dissipation holes 6 are formed in the four side walls of the outer wall layer 1, and the first heat dissipation holes 6 are circular. Specifically, the plurality of first heat dissipation holes 6 on each side wall of the outer wall layer 1 are arranged in two rows, which has better heat dissipation effect and is more beautiful.

[0030] In the embodiment, a plurality of first heat dissipation holes 6 are formed in the four side walls of the outer wall layer 1, and the first heat dissipation holes 6 are circular. Specifically, the plurality of first heat dissipation holes 6 on each side wall of the outer wall layer 1 are arranged in two rows, which has better heat dissipation effect and is more beautiful.

[0031] In the embodiment, the mounting hole 4 is a circular mounting hole, the outer wall layer 1 includes a first outer wall layer 11, a second outer wall layer 12 and a third outer wall layer 13 arranged coaxially in sequence, the connecting rib 3 includes a first connecting rib 31 and a second connecting rib 32, the inner wall layer 2 is connected to the first outer wall layer 11 through the first connecting rib 31, the second connecting rib 32 is connected to the second outer wall layer 12, and the third outer wall layer 13 extends inwardly to form a support body 5. A circular support hole 51 coaxial with the circular mounting hole is formed in the support body 5. The cross-sectional shape of the circular support hole 51 and the circular mounting hole is the same, thereby ensuring the stability of the support and installation of the main shaft.

[0032] In the embodiment, the second outer wall layer 12 is formed with a plurality of support plates 9 extending circumferentially inwardly, and the support plates 9 cooperate with the second connecting ribs 32 to form circular sockets 10 for supporting and positioning the main shaft.

[0033] The utility model discloses still provide a kind of machining center, including the square slide block of double-layer wall structure described in above embodiment, the setting makes the area of square slide block cross section smaller, greatly reduce the self weight of square slide block, improve the overall rigidity of square slide block, and torsional resistance and bending resistance are better, and square slide block can be extended into the worktable of machining center to process deeper workpiece, and higher processing precision.

[0034] Although the utility model is specifically shown and introduced in combination with preferred embodiments, those skilled in the art should understand that various changes can be made to the utility model in form and details without departing from the spirit and scope of the utility model defined in the appended claims, and all fall within the protection scope of the utility model.

Claims

1. A square slide of double-walled construction, characterized in that: The square slide block includes a cuboid outer wall layer, a cylindrical inner wall layer and connecting ribs, the inner wall layer is connected in the outer wall layer through the connecting ribs, an installation hole is arranged through the inner wall layer, and the size of the cross section of the square slide block is not more than 300*300 mm.

2. The double-walled square ram of claim 1, wherein: The size of the cross section of the square slide block is 300*300 mm.

3. The double-walled square ram of claim 1, wherein: The connecting ribs are in a rice-shaped distribution between the outer wall layer and the inner wall layer.

4. The double-walled square ram of claim 1, wherein: A plurality of first heat dissipation through holes are arranged on each side wall of the outer wall layer.

5. The double-walled structural square-temple according to claim 4, characterized in that: The plurality of first heat dissipation through holes on each side wall of the outer wall layer are arranged in double rows.

6. The double-walled structural square-temple according to claim 1, wherein: Second heat dissipation through holes are arranged on two opposite side walls of the outer wall layer, third heat dissipation through holes are arranged on the opposite two side walls of the inner wall layer, and the installation through hole is communicated with the outside through the third heat dissipation through hole and the second heat dissipation through hole.

7. The double-walled structural square-temple according to claim 6, characterized in that: The second heat dissipation through hole and the third heat dissipation through hole are the same in shape and size and are on the same axis.

8. The double-walled structural square-temple according to claim 1, wherein: The installation hole is a circular installation hole, the outer wall layer includes a first outer wall layer, a second outer wall layer and a third outer wall layer arranged in sequence in the same axis, the connecting ribs include a first connecting rib and a second connecting rib, the inner wall layer is connected in the first outer wall layer through the first connecting rib, the second connecting rib is connected in the second outer wall layer, the third outer wall layer extends inward to form a support body, a circular support hole coaxial with the circular installation hole is arranged in the support body, and the cross section of the circular support hole and the circular installation hole is the same in shape and size.

9. The double-walled structural square-temple according to claim 1, wherein: The second outer wall layer extends inward in the same axis to form a plurality of support plates, and the support plates and the second connecting rib cooperate to form a circular clamping hole.

10. A machining center characterized by: The square slide block with the double-wall structure of any one of claims 1-9.

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