Center frame supporting device and machining equipment

Abstract

The utility model provides a center frame supporting device and machining equipment, the supporting device comprises a supporting base, the supporting base comprises a support body and two inclined plane supporting blocks arranged on the support body, the two inclined plane supporting blocks are symmetrically arranged relative to the center line of the support body, and two V-shaped supporting points are formed; the supporting and adjusting assembly is correspondingly arranged on the inclined plane of the inclined plane supporting block, is arranged in the normal direction of the inclined plane and is used for supporting and adjusting the height of the supporting center; the pressing assembly is erected on the supporting base and used for pressing a workpiece to be machined from the upper portion, and the pressing assembly comprises a pressing support and a pressing wheel assembly arranged in the middle of the pressing support; the pressing support is arranged on the supporting base in a height-adjustable mode. The workpiece can be conveniently clamped, the center height of the workpiece can be adjusted, and the workpiece is not prone to retreat.

Description

Technical Field

[0001] The utility model relates to the technical field of machining equipment, in particular to a steady rest support device and a machining equipment. Background Art

[0002] When the existing machine tool processes heavy stepped shaft workpieces, due to the large deviation of the workpiece center of gravity from the center and the limitations of the existing steady rest structure, it is difficult to clamp the workpiece; and when adjusting the center height of the workpiece, due to the large weight of the workpiece, it is laborious to turn the adjusting screw. Often, after adjustment, the adjusting screw has a retraction phenomenon during use, resulting in repeated adjustment of the center height and seriously affecting the machining efficiency of the workpiece.

[0003] Therefore, there is an urgent need for a steady rest support device and a machining equipment, which are convenient for workpiece clamping, easy to adjust the center height of the workpiece and not easy to retract. Summary of the Utility Model

[0004] The purpose of the utility model is to provide a steady rest support device and a machining equipment, aiming to solve the technical problems that the traditional steady rest is difficult to clamp heavy workpieces and difficult to adjust the center height of the workpiece.

[0005] To achieve the above purpose, in the first aspect, the utility model provides a steady rest support device, including:

[0006] A support base, including a support body and two inclined plane support blocks arranged on the support body. The two inclined plane support blocks are symmetrically arranged about the center line of the support body and form two V-shaped support points;

[0007] A support adjustment component, correspondingly arranged on the inclined plane of the inclined plane support block and arranged along the normal direction of the inclined plane, for supporting and adjusting the height of the support center;

[0008] A pressing component, erected on the support base, for pressing the workpiece to be machined from above, which includes a pressing bracket and a pressing wheel component arranged in the middle of the pressing bracket; the height of the pressing bracket is adjustable and arranged on the support base.

[0009] As a further improvement of the above solution, the support base is integrally formed by casting.

[0010] As a further improvement of the above solution, the support adjustment component includes a support rod, a support wheel set arranged at one end of the support rod, and an adjustment pad block detachably sleeved on the support rod;

[0011] Correspondingly, a support rod mounting hole is arranged on the inclined plane support block along the normal direction of its inclined plane;

[0012] The other end of the support rod passes through the adjustment spacer and is arranged in the support rod mounting hole, so that the adjustment spacer is detachably arranged between the inclined surface and the support wheel set.

[0013] As a further improvement of the above solution, the support wheel set includes a support shaft and hard rollers arranged on the support shaft, and the hard rollers are rotatably arranged on the support shaft through heavy-duty bearings.

[0014] As a further improvement of the above solution, the support rod includes a rod body and a roller mounting seat arranged at one end of the rod body, and the support wheel set is arranged on the roller mounting seat;

[0015] At least one limiting surface is arranged along the length direction of the rod body to prevent it from rotating in the support rod mounting hole.

[0016] As a further improvement of the above solution, a set screw is further arranged on the side surface of the inclined plane support block for fixing the rod body.

[0017] As a further improvement of the above solution, the pressing bracket includes a pressing cross bar and two pressing columns. The two pressing columns are vertically arranged on both sides of the support base and are symmetrically arranged about the center line of the support body. The pressing cross bar is horizontally arranged at the top ends of the two pressing columns;

[0018] The pressing wheel assembly is arranged in the middle of the pressing cross bar;

[0019] And an adjusting sleeve is further arranged between the top end of the pressing column and the pressing cross bar for adjusting the suspension pressing height of the pressing wheel assembly according to the diameter of the workpiece.

[0020] As a further improvement of the above solution, the pressing wheel assembly includes a pressing rod and a hard pressing wheel arranged at one end of the pressing rod, and the pressing rod is detachably arranged in the middle of the pressing cross bar;

[0021] Preferably, a threaded section is arranged on the pressing rod, and the pressing rod is detachably arranged in the middle of the pressing cross bar through a locking nut.

[0022] In a second aspect, the present invention further provides a machining device, including a rotary table, a center chuck arranged on the rotary table, and a center frame support device as provided in the first aspect opposite to the center chuck.

[0023] Since the present invention adopts the above technical solutions, the beneficial effects of the present application are as follows:

[0024] The present utility model provides a steady rest support device, comprising: a support base, including a support body and two inclined surface support blocks arranged on the support body, the two inclined surface support blocks being symmetrically arranged with respect to the center line of the support body and forming two V-shaped support points; a support adjustment assembly, correspondingly arranged on the inclined surfaces of the inclined surface support blocks and arranged along the normal direction of the inclined surface, for supporting and adjusting the height of the support center; a pressing assembly, erected on the support base, for pressing the workpiece to be processed from above, which includes a pressing bracket and a pressing wheel assembly arranged in the middle of the pressing bracket; the height of the pressing bracket is adjustable and arranged on the support base; in the present utility model, two inclined surface support blocks are arranged on the support base, and a support adjustment assembly is arranged on each inclined surface support block along its normal direction, the two support adjustment assemblies form two V-shaped support points, and together with the pressing wheel assembly arranged in the middle of the pressing bracket, a stable three-point support method is formed; and the support adjustment assembly can adjust the height of the support center, and the pressing bracket is also adjustable in height and arranged on the support base, so that the heights of the support adjustment assembly and the pressing bracket can be calculated and adjusted according to the size of the workpiece. At the same time, the setting of the two V-shaped support points forms a stable support for the workpiece; during clamping, only need to adjust the support adjustment assembly to the preset center height according to the previously calculated center height, then the workpiece can be clamped on this heavy-duty steady rest, then adjust the pressing bracket to a suitable height, and then press the workpiece through the pressing wheel assembly to complete the clamping of the workpiece.

[0025] In some preferred embodiments, the support adjustment assembly includes a support rod, a support wheel set arranged at one end of the support rod, and an adjustment pad block detachably sleeved on the support rod; the arrangement of the adjustment pad block detachably sleeved on the support rod facilitates setting adjustment pad blocks with different thickness specifications according to the diameter of the workpiece. During subsequent adjustment, only need to select and sleeve adjustment pad blocks with different thicknesses according to the calculated height of the steady rest to be adjusted, and it will not retract after reaching the preset center height, so that the present utility model is convenient for adjusting the center height of the workpiece and is not prone to retraction. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the following will briefly introduce the drawings required for use in the description of the embodiments or the prior art. Obviously, the following drawings are only some embodiments of the present utility model. For those of ordinary skill in the art, other drawings can be obtained based on the structures shown in these drawings without creative efforts.

[0027] Figure 1 It is a partially sectional front view schematic diagram of a steady rest support device disclosed by the present utility model;

[0028] Figure 2 Partial sectional view schematic diagram of the support base disclosed by the present utility model;

[0029] Figure 3 Sectional view schematic diagram of the support adjustment assembly disclosed by the present utility model;

[0030] Figure 4 Front view schematic diagram of the support adjustment assembly disclosed by the present utility model;

[0031] Figure 5 Partial three-dimensional view schematic diagram of a machining device disclosed by the present utility model.

[0032] Reference numerals:

[0033] 0, heavy-duty center rest support device;

[0034] 1, support base; 11, support body; 12, inclined plane support block; 121, support rod mounting hole;

[0035] 2, support adjustment assembly; 21, support rod; 211, rod body; 212, roller mounting seat; 213, limiting surface; 22, support wheel set; 221, support shaft; 222, hard roller; 223, heavy-duty bearing;

[0036] 23, adjustment pad; 24, set screw;

[0037] 3, pressing assembly; 31, pressing bracket; 311, pressing cross bar; 312, pressing support; 313, adjusting sleeve; 32, pressing wheel assembly; 321, pressing rod; 322, hard pressing wheel;

[0038] 4, rotary table; 5, center chuck; 6, workpiece; 7, machine body bottom plate.

[0039] The realization, functional characteristics and advantages of the purpose of the present utility model will be further described in conjunction with the embodiments with reference to the accompanying drawings. Specific embodiments

[0040] Next, the technical solutions in the embodiments of the present utility model will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present utility model. Obviously, the described embodiments are only a part of the embodiments of the present utility model, rather than all of the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present utility model without making creative efforts fall within the scope of protection of the present utility model.

[0041] It should be noted that all directional indications (such as up, down, etc.) in the embodiments of the present utility model are only used to explain the relative positional relationship, movement conditions, etc. between components in a specific posture (as shown in the attached drawings). If the specific posture changes, the directional indications will also change accordingly.

[0042] In addition, in the present utility model, descriptions such as "first", "second", etc. are only for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly specifying the quantity of the indicated technical features. Thus, features defined with "first" and "second" may explicitly or implicitly include at least one such feature.

[0043] Moreover, the technical solutions between various embodiments of the present utility model can be combined with each other, but it must be based on the ability of those of ordinary skill in the art to implement. When the combination of technical solutions results in contradictions or cannot be implemented, it should be considered that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0044] Embodiment 1:

[0045] Refer to Figures 1-4 , the present utility model provides a steady rest support device, including:

[0046] A support base 1, including a support body 11 and two inclined surface support blocks 12 arranged on the support body 11. The two inclined surface support blocks 12 are symmetrically arranged about the center line of the support body 11 and form two V-shaped support points; in this embodiment, the support base 1 is integrally formed by casting. By arranging two inclined surface support blocks 12 and integrally casting them with the support body 11, the support base 1 has a large load-bearing capacity and can provide a good support foundation for a heavy workpiece 6;

[0047] A support adjustment assembly 2, correspondingly arranged on the inclined surface of the inclined surface support block 12 and arranged along the normal direction of the inclined surface, for supporting and adjusting the height of the support center; specifically, the support adjustment assembly 2 includes a support rod 21, a support wheel set 22 arranged at one end of the support rod 21, and an adjustment pad 23 detachably sleeved on the support rod 21; correspondingly, a support rod installation hole 121 is provided on the inclined surface support block 12 along the normal direction of its inclined surface; the other end of the support rod 21 passes through the adjustment pad 23 and is arranged in the support rod installation hole 121, so that the adjustment pad 23 is detachably arranged between the inclined surface and the support wheel set 22

[0048] The pressing assembly 3 is mounted on the support base 1 and is used to press the workpiece 6 to be processed from above. It includes a pressing bracket 31 and a pressing wheel assembly 32 arranged in the middle of the pressing bracket 31. The height of the pressing bracket 31 is adjustable and is arranged on the support base 1.

[0049] In the present utility model, two inclined surface support blocks 12 are provided on the support base 1, and a support adjustment assembly 2 is arranged on each inclined surface support block 12 along its normal direction. These two support adjustment assemblies 2 form two V-shaped support points, and together with the pressing wheel assembly 32 arranged in the middle of the pressing bracket 31, a stable three-point support method is formed. And the support adjustment assembly 2 can adjust the height of the support center, and the pressing bracket 31 is also arranged on the support base 1 with adjustable height. Thus, the heights of the support adjustment assembly 2 and the pressing bracket 31 can be calculated and adjusted according to the size of the workpiece 6. At the same time, the setting of the two V-shaped support points forms a stable support for the workpiece 6. During clamping, only need to adjust the support adjustment assembly 2 to the preset center height according to the previously calculated center height, then the workpiece 6 can be clamped on this heavy-duty center rest, then adjust the pressing bracket 31 to a suitable height, and then press the workpiece 6 through the pressing wheel assembly 32 to complete the clamping of the workpiece 6. The setting of the adjustment cushion block 23 that can be detachably sleeved on the support rod 21 facilitates setting adjustment cushion blocks 23 with different thickness specifications according to the diameter of the workpiece 6. During subsequent adjustment, only need to select and sleeve adjustment cushion blocks 23 with different thicknesses according to the calculated center rest height to be adjusted, and it will not retract after reaching the preset center height. Therefore, the present utility model is convenient for adjusting the center height of the workpiece 6 and is not easy to retract.

[0050] As a preferred embodiment, see Figure 3 and Figure 4 The support wheel set 22 includes a support shaft 221 and a hard roller 222 arranged on the support shaft 221. The hard roller 222 is rotatably arranged on the support shaft 221 through a heavy-duty bearing 223.

[0051] Specifically, the hard roller 222 is made of a high-hardness material and is not easily deformed under heavy loads. And the outer surface of the hard roller 222 has a low roughness to reduce the friction between the workpiece 6 and the hard roller 222, which is beneficial to the rotation of the workpiece 6. The setting of the hard roller 222 ensures that the center height will not be deformed due to the size of the workpiece 6 carried through hard contact.

[0052] As a preferred embodiment, see Figure 4 The support rod 21 includes a rod body 211 and a roller mounting seat 212 arranged at one end of the rod body 211. The support wheel set 22 is arranged on the roller mounting seat 212.

[0053] The rod body 211 is provided with at least one limiting surface 213 along its length direction to prevent it from rotating in the support rod mounting hole 121. Specifically, in this embodiment, two opposite surfaces of the rod body 211 are respectively provided with limiting surfaces 213. Correspondingly, there are top contact surfaces in the support rod mounting hole 121 that are matched and limited with the limiting surfaces 213. The adjusting cushion block 23 is also provided with a sleeve limiting hole that matches the rod body 211.

[0054] The setting of the limiting surface 213 enables the support rod 21 to be stably arranged in the support rod mounting hole 121 without a fastening component and without retracting, and also makes the operation of the support adjustment component 2 convenient when adjusting the center height.

[0055] As a preferred embodiment, a set screw 24 is further provided on the side surface of the inclined plane support block 12 for fixing the rod body 211. Specifically, in this embodiment, two set screws 24 are provided on the side surface of the inclined plane support block 12. After the center height is adjusted to the preset center height, the current position can be fixed through the set screw 24 to further prevent retraction.

[0056] As a preferred embodiment, see Figure 1 , the pressing bracket 31 includes a pressing cross bar 311 and two pressing columns 312. The two pressing columns 312 are vertically arranged on both sides of the support base 1 and are symmetrically arranged about the center line of the support body 11. The pressing cross bar 311 is horizontally arranged at the top ends of the two pressing columns 312.

[0057] The pressing wheel assembly 32 is arranged in the middle of the pressing cross bar 311.

[0058] And an adjusting sleeve 313 is further arranged between the top end of the pressing column 312 and the pressing cross bar 311 for adjusting the suspension pressing height of the pressing wheel assembly 32 according to the diameter of the workpiece 6.

[0059] Specifically, in this embodiment, the bottom end of the pressing column is connected to the support base 1 through a thread pair. The pressing cross bar 311, the adjusting sleeve 313 and the top end of the pressing column are detachably connected and fastened through a bolt assembly. And the adjusting sleeve 313 can be set to have different length specifications, which is convenient to select an appropriate length adjusting sleeve 313 according to the size of the workpiece 6, so as to realize that the pressing bracket 31 is height-adjustably arranged on the support base 1.

[0060] As a preferred embodiment, the pressing wheel assembly 32 includes a pressing rod 321 and a hard pressing wheel 322 arranged at one end of the pressing rod 321. The pressing rod 321 is detachably arranged in the middle of the pressing cross bar 311.

[0061] Preferably, a threaded section is provided on the pressing rod 321, and the pressing rod 321 is detachably arranged in the middle of the pressing cross bar 311 through a locking nut; the hard pressing wheel 322 adopts a heavy-duty bearing 223 to ensure that the whole pressing is a rigid connection.

[0062] Embodiment 2:

[0063] See Figure 5 , the present invention also provides a machining device, including a machine body bottom plate 7, a rotary table 4 arranged on the machine body bottom plate 7 and a center support device 0 as provided in Embodiment 1. A center chuck 5 is arranged on the rotary table 4, and the center chuck 5 and the center support device 0 are arranged opposite to each other for supporting and clamping a workpiece; specifically, one end of the workpiece is clamped in the center chuck, and the other end is clamped on the center support device 0. According to the diameter of the clamped workpiece, the required support center height can be calculated, and an adjustment pad block with a preset thickness can be sleeved and installed on the center support device 0; the overall structure of the heavy-duty center support device 0 has high rigidity, is convenient to adjust, and has strong operability. It can be widely used in the processing of heavy-duty stepped shaft parts such as large horizontal machining centers, boring and milling machines, and gantry milling machines. By configuring the rotary table 4, compound machining of all aspects of the workpiece 6 can be realized.

[0064] The above are only the preferred embodiments of the present invention, and do not limit the patent scope of the present invention accordingly. Any equivalent structural transformation made under the inventive concept of the present invention by using the content of the specification and drawings of the present invention, or directly / indirectly applied in other related technical fields, is included in the patent protection scope of the present invention.

Claims

1. A steady rest support device, characterized in that, Comprising: A support base, which includes a support body and two inclined support blocks arranged on the support body. The two inclined support blocks are symmetrically arranged with respect to the center line of the support body and form two V-shaped support points; A support adjustment assembly, which is correspondingly arranged on the inclined surface of the inclined support block and arranged along the normal direction of the inclined surface, and is used to support and adjust the height of the support center; A pressing assembly, which is erected on the support base and is used to press the workpiece to be processed from above. It includes a pressing bracket and a pressing wheel assembly arranged in the middle of the pressing bracket; the height of the pressing bracket is adjustable and arranged on the support base.

2. The center rest support device according to claim 1, characterized in that The support adjustment assembly includes a support rod, a support wheel set arranged at one end of the support rod, and an adjustment pad detachably sleeved on the support rod; Correspondingly, a support rod mounting hole is provided on the inclined support block along the normal direction of its inclined surface; The other end of the support rod passes through the adjustment pad and is arranged in the support rod mounting hole, so that the adjustment pad is detachably arranged between the inclined surface and the support wheel set.

3. The center rest support device according to claim 2, characterized in that The support wheel set includes a support shaft and a hard roller arranged on the support shaft, and the hard roller is rotatably arranged on the support shaft.

4. The center rest support device according to claim 2 or 3, characterized in that The support rod includes a rod body and a roller mounting seat arranged at one end of the rod body, and the support wheel set is arranged on the roller mounting seat; The rod body is provided with at least one limiting surface along its length direction to prevent it from rotating in the support rod mounting hole.

5. A center rest support device according to any one of claims 1-3, characterized in that, The support base is integrally formed by casting.

6. A center rest support device according to any one of claims 1-3, characterized in that, The pressing bracket includes a pressing cross bar and two pressing columns. The two pressing columns are vertically arranged on both sides of the support base and are symmetrically arranged with respect to the center line of the support body; The pressing cross bar is horizontally arranged at the top of the two pressing columns; the pressing wheel assembly is arranged in the middle of the pressing cross bar; An adjusting sleeve is further arranged between the top of the pressing column and the pressing cross bar for adjusting the suspended pressing height of the pressing wheel assembly according to the diameter of the workpiece.

7. The center rest support device according to claim 6, characterized in that, The pressing wheel assembly includes a pressing rod and a hard pressing wheel arranged at one end of the pressing rod, and the pressing rod is detachably arranged in the middle of the pressing cross bar.

8. A machining device, characterized in that, Including a rotary table, a center chuck arranged on the rotary table, and a center rest support device according to any one of claims 1-7 arranged opposite to the center chuck.

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