Precise adjustment foot margin of numerical control machining center

Abstract

The utility model discloses a precise adjustment foot margin of a numerical control machining center. The precise adjustment foot margin comprises a foot base, an upper wedge-shaped block, a lower wedge-shaped block, an adjusting bolt, a fixing bolt, a supporting block, a front sealing plate and a rear sealing plate. The supporting block is matched with the spherical cavity of the upper wedge-shaped block through the spherical protrusion, so that the supporting block can automatically adapt to slight angle changes and can be naturally centered when placed so as to compensate tiny deviation generated in the installation process, it is guaranteed that loads can be evenly distributed, and precise adjustment of the numerical control machining center in the horizontal plane is achieved; the operation stability and the machining precision of the numerical control machining center are effectively improved; and during adjustment, the purpose of correspondingly adjusting the supporting height of the foot margin can be achieved by screwing the adjusting bolt, and operation is easy and convenient. In addition, the numerical control machining center can be well and firmly positioned and fixed to the ground through the rivet bolts, fixation is firmer, the problems of looseness and displacement caused by external factors such as vibration are effectively solved, the installation effect is good, and therefore long-term stable operation of the numerical control machining center is guaranteed.

Description

TECHNICAL FIELD

[0001] The utility model relates to numerical control machining center support technical field, concretely relates to a numerical control machining center precision adjustment ground pin. BACKGROUND

[0002] The ground pin is an important component in the machine equipment. The ground pin is adjusted to level the installation of the machine equipment and ensure the stability of the machine equipment production operation. The existing ground pin structure is mostly supported by a simple screw rod to facilitate the adjustment of the height and the levelness. However, the load is light, and when the equipment span is large and the equipment is heavy, it is necessary to ensure the bearing strength and facilitate the adjustment of the levelness. The general ground pin cannot meet such requirements, which affects the working stability of the machine equipment.

[0003] To solve the above problems, the Chinese invention patent application with the publication number "CN102330874A" and the name "machine tool with side top ground pin pad iron" discloses a machine tool with side top ground pin pad iron, which belongs to the machine tool field. The bottom base is provided with an adjusting screw on one side below the bottom base, the adjusting screw is screwed on the adjusting block, the upper side of the adjusting block is processed with an inclined surface, the inclined surface on the upper side of the adjusting block is matched with the lower inclined surface of the wedge plate, and the side top screw is screwed on the upper end of one side of the bottom base. Although the height of the wedge plate can be adjusted by screwing the adjusting screw to adjust the height of the machine tool, if the ground pin is installed with deviation or the ground pins of the machine tool are not at the same height, the ground pins will interfere with each other, the stress of the ground pins is uneven, and the machining stability and the machining precision of the machine tool are affected. CONTENT OF THE UTILITY MODEL

[0004] In view of the above problems, the utility model aims to provide a numerical control machining center precision adjustment ground pin with reasonable structure design and easy operation and adjustment.

[0005] To achieve the above purpose, the technical scheme provided by the utility model is as follows:

[0006] The utility model provides a numerical control machining center precision adjustment ground pin, it includes foot base, upper wedge, lower wedge, adjusting bolt, fixed bolt, supporting block, front seal plate and rear seal plate, the foot base is equipped with the sliding slot of the lower wedge sliding on, the lower wedge is movably arranged in the sliding slot, the adjusting bolt is arranged on the foot base, and the lower wedge can be adjusted in the sliding slot and makes the forward and backward sliding action, the lower wedge is equipped with the long hole extending along its sliding direction, the upper wedge is arranged on the lower wedge, the front seal plate, rear seal plate correspond to the front, rear position of the upper wedge and are correspondingly arranged on the foot base, and the position of the upper wedge between the front seal plate and rear seal plate can be defined, the upper surface of the upper wedge is equipped with spherical cavity, the supporting block is placed on the upper wedge, and the bottom surface is equipped with the spherical convex that is matched with the spherical cavity, and the fixed bolt passes through supporting block, upper wedge and long hole in proper order and is fixed on the bottom surface of the sliding slot.

[0007] As a preferred scheme of the utility model, the side wall of the foot base is equipped with a through hole, and the adjusting bolt is arranged on the through hole through a limiting assembly. The limiting assembly comprises a shaft sleeve, a push core bearing, a disc spring, a gasket and a limiting nut. One end of the shaft sleeve is radially increased to form a head, and the other end passes through the push core bearing and extends into the through hole. The disc spring, the gasket and the limiting nut are located at the inner side of the side wall of the foot base and are sequentially sleeved on the adjusting bolt. The cooperation effect is good, the adjusting bolt is effectively prevented from loosening during use, and the stability and long-term durability of the adjusting structure are ensured.

[0008] As a preferred scheme of the utility model, the supporting block and the upper wedge are both equipped with a circular hole through which the adjusting bolt passes, so that assembly is easy.

[0009] As a preferred scheme of the utility model, the side wall of the lower wedge facing the adjusting bolt is equipped with a screw hole matched with the adjusting bolt, so that the adjusting effect is good.

[0010] As a preferred scheme of the utility model, the two sides of the foot base are symmetrically equipped with U-shaped grooves for installing the pull rivet bolt, so that the pull rivet bolt is not easy to move during installation, the fixing effect is enhanced, and the stability of the overall structure is improved.

[0011] As a preferred scheme of the utility model, the lower end of the pull rivet bolt is provided with a hook, and the upper end is provided with a pull rivet nut, so that the fixing of the bolt is more firm, and the loosening problem caused by external factors such as vibration and load is effectively reduced.

[0012] The utility model discloses beneficial effect is: the utility model discloses reasonable in design, and the ball surface bulge of support block is adapted with the ball surface cavity of upper wedge -shaped piece, not only can automatically adapt slight angle change, and when placing, will be natural in -center, with the slight deviation of compensation produced in the installation process, has guaranteed that load can be evenly distributed, realizes the precision adjustment of numerical control machining center in horizontal plane, effectively promotes the operation stability and processing accuracy of numerical control machining center, and moreover, when adjusting, through the screwing adjusting bolt, the lower wedge -shaped piece can slide in the sliding slot back and forth, and then the purpose of corresponding adjustment footing support height, simple, convenient operation.

[0013] The utility model is further illustrated below in connection with the drawings and examples. DRAWINGS

[0014] Fig. 1 It is the three-dimensional structure schematic diagram of the utility model.

[0015] Fig. 2 It is the whole section structure schematic diagram of the utility model.

[0016] Fig. 3 It is the exploded view schematic diagram of the utility model. CONCRETE IMPLEMENTING METHOD

[0017] Referring to Figs. 1 to 3 The utility model discloses a kind of numerical control machining center precision adjustment footings provided in the embodiment, which includes footrest 1, upper wedge-shaped piece 2, lower wedge-shaped piece 3, adjusting bolt 4, fixed bolt 5, support block 6, front sealing plate 7, rear sealing plate 8 and rivet bolt 9.

[0018] The sliding groove is arranged in the middle of the foot base 1, and the lower wedge block 3 is movably arranged in the sliding groove. The adjusting bolt 4 is arranged on the foot base 1 and can adjust the forward and backward sliding movement of the lower wedge block 3 in the sliding groove. Specifically, a through hole is arranged on the side wall of the foot base 1, and the adjusting bolt 4 is arranged on the through hole through the limiting assembly 10. The limiting assembly 10 comprises a shaft sleeve 101, a push core bearing 102, a disc spring 103, a gasket 104 and a limiting nut 105. One end of the shaft sleeve 101 is radially increased to form a head, and the other end penetrates through the push core bearing 102 and extends into the through hole. The disc spring 103, the gasket 104 and the limiting nut 105 are arranged on the inner side of the side wall of the foot base 1 and are sequentially arranged on the adjusting bolt 4. The limiting nut 105 is locked on the adjusting bolt 4 and can rotate with the adjusting bolt 4, so that the cooperation effect is good, the loosening of the adjusting bolt 4 during use is effectively avoided, and the stability and long-term durability of the adjusting structure are ensured. The side wall of the lower wedge block 3 facing the adjusting bolt 4 is provided with a screw hole matched with the adjusting bolt 4, and the adjusting bolt 4 is screwed into the screw hole, so that the adjusting effect is good.

[0019] The lower wedge block 3 is provided with a long hole extending along the sliding direction thereof, and the upper wedge block 2 is arranged on the lower wedge block 3. The lower surface of the lower wedge block 3 is a plane, and the upper surface is an inclined surface with an inclination angle of 8 degrees. The lower surface of the upper wedge block is an inclined surface with an inclination angle of 8 degrees.

[0020] The front sealing plate 7 and the rear sealing plate 8 are arranged on the foot base 1 corresponding to the front and rear positions of the upper wedge block 2 through screws, and can limit the position of the upper wedge block 2 between the front sealing plate 7 and the rear sealing plate 8. The upper surface of the upper wedge block 2 is provided with a spherical cavity 21, and the supporting block 6 is placed on the upper wedge block 2 and is provided with a spherical convex on the bottom surface matched with the spherical cavity 21.

[0021] The supporting block 6 and the upper wedge block 2 are both provided with a circular hole through which the adjusting bolt 4 penetrates, so that the assembly is easy. The fixing bolt 5 penetrates the circular holes on the supporting block 6 and the upper wedge block 2 and the long hole on the lower wedge block 3 in sequence and is fixed on the bottom surface of the sliding groove. Preferably, a rubber shock-absorbing pad can be additionally arranged on the supporting block 6, which has a shock-absorbing effect and effectively improves the running stability of the numerical control machining center.

[0022] Preferably, U-shaped grooves 11 for installing the pull rivet bolts 9 are symmetrically arranged on both sides of the foot base 1, so that the pull rivet bolts 9 are not easy to move during installation, the fixing effect is enhanced, and the stability of the overall structure is improved. The lower end of the pull rivet bolt 9 is provided with a hook 91 which can be embedded underground. The upper end of the pull rivet bolt 9 is provided with a pull rivet nut 92, so that the fixation of the pull rivet bolt is more firm, and the loosening problem caused by external factors such as vibration and load is effectively reduced.

[0023] When installed, the spherical convex of the block 6 is installed into the spherical cavity 21 of the upper wedge block 2, which can automatically adapt to slight angle changes and will be naturally centered when placed to compensate for slight deviations during installation, ensuring that the load can be evenly distributed, achieving precise adjustment of the numerical control machining center in the horizontal plane, and effectively improving the running stability and machining precision of the numerical control machining center; when the height needs to be adjusted, the lower wedge block 3 can be made to slide forward and backward in the sliding groove by screwing the adjusting bolt 4, thereby correspondingly adjusting the height of the foot support, which is simple and convenient to operate.

[0024] According to the disclosure and teaching of the above description, those skilled in the art of the present application can also make changes and modifications to the above embodiments. Therefore, the present application is not limited to the above specific embodiments, and any obvious improvements, replacements or modifications made by those skilled in the art on the basis of the present application shall fall within the scope of the present application. In addition, although some specific terms are used in the present application, these terms are only for convenience of explanation and do not constitute any limitation on the present application. As described in the above embodiments of the present application, other feet obtained by using the same or similar structures are also within the scope of the present application.

Claims

1. A precision adjustment of the foot of a CNC machining center, comprising a foot base, characterized in that: It also includes the upper wedge, the lower wedge, the adjusting bolt, the fixing bolt, the supporting block, the front sealing plate and the rear sealing plate, the foot base is provided with a sliding groove for the lower wedge to slide, the lower wedge is movably arranged in the sliding groove, the adjusting bolt is arranged on the foot base and can adjust the forward and backward sliding movement of the lower wedge in the sliding groove, the lower wedge is provided with an elongated hole extending along the sliding direction of the lower wedge, the upper wedge is arranged on the lower wedge, the front sealing plate and the rear sealing plate are arranged on the foot base corresponding to the front and rear positions of the upper wedge and can limit the position of the upper wedge between the front sealing plate and the rear sealing plate, the upper surface of the upper wedge is provided with a spherical cavity, the supporting block is placed on the upper wedge and the bottom surface is provided with a spherical convex matching the spherical cavity, and the fixing bolt passes through the supporting block, the upper wedge and the elongated hole in sequence and is fixed on the bottom surface of the sliding groove.

2. The precision adjustment foot for CNC machining centers according to claim 1, characterized in that, The side wall of the foot base is provided with a through hole, and the adjusting bolt is arranged on the through hole through a limiting assembly.

3. The precision adjustment foot for CNC machining centers according to claim 2, characterized in that, The limiting assembly includes a shaft sleeve, a push core bearing, a disc spring, a gasket and a limiting nut, one end of the shaft sleeve is radially increased to form a head, the other end passes through the push core bearing and extends into the through hole, the disc spring, the gasket and the limiting nut are located on the inner side of the side wall of the foot base and are sequentially sleeved on the adjusting bolt.

4. The precision adjustment foot for CNC machining centers according to claim 1, characterized in that, The supporting block and the upper wedge are both provided with a circular hole for the adjusting bolt to pass through.

5. The precision adjustment foot for CNC machining centers according to claim 1, characterized in that, The side wall of the lower wedge facing the adjusting bolt is provided with a screw hole matching the adjusting bolt.

6. The precision adjustment foot for a CNC machining center according to any one of claims 1-5, characterized in that, The two sides of the foot base are symmetrically provided with U-shaped grooves for installing the pull rivet bolt.

7. The precision adjustment foot for CNC machining centers according to claim 6, characterized in that, The lower end of the pull rivet bolt is provided with a hook, and the upper end is provided with a pull rivet nut.

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