CN112692592A

CN112692592A - Accurate high strength slip table

Info

Publication number: CN112692592A
Application number: CN201911004265.8A
Authority: CN
Inventors: 王硕
Original assignee: Gu'an Aerospace Xingbang Machinery Manufacturing Co Ltd
Current assignee: Gu'an Aerospace Xingbang Machinery Manufacturing Co Ltd
Priority date: 2019-10-22
Filing date: 2019-10-22
Publication date: 2021-04-23

Abstract

The invention belongs to the field of machine tool design, in particular to a precise high-strength sliding table, which aims at the problems that the existing sliding rail has large resistance and slow speed and is not suitable for machining such as rapid cutting, grinding and the like, and the problems of complex manufacturing process, large occupied space, difficult maintenance, weaker stability, larger vibration and low processing precision caused by higher height of the guide rail are solved, which comprises a base, wherein an upper sliding table and a lower sliding table are arranged on the base, pressing plate fixing plates are arranged on two sides of the upper sliding table and the lower sliding table, the invention combines the advantages of a linear rail and a hard rail, and has the characteristics of high rigidity, small thermal deformation, high precision, small vibration, high stability, small volume, high speed, large bearing capacity, long service life and the like, thereby ensuring the actual precision in a processing state, and having simple structure and low manufacturing process requirement.

Description

Accurate high strength slip table

Technical Field

The invention relates to the technical field of machine tool design, in particular to a precise high-strength sliding table.

Background

The sliding table is a mechanical structure capable of realizing linear movement. In the field of machine tools, machine tools often need to be quickly reacted and accurately positioned, the prior art mostly adopts a linear rail or a hard rail sliding table, the linear rail sliding table has higher precision and low rigidity, the hard rail sliding table has higher rigidity and low precision, the friction resistance is larger due to large contact surface, the abrasion is faster, the moving speed is limited, the guide rail has higher height, the stability is weaker, the vibration is larger, the processing precision is low, and the creeping phenomenon is easy to generate, in addition, the linear rail and the hard rail sliding table have short service life and large occupied space, and are not suitable for small-sized precision combined processing machine tools, especially machine tools with strict space requirements,

disclosure of Invention

The invention aims to solve the problems that the traditional sliding rail in the prior art has large resistance, low speed, is not suitable for machining such as rapid cutting and grinding, has complex manufacturing process, large occupied space and difficult maintenance, and has weak stability, large vibration and low machining precision due to high height of the guide rail.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides an accurate high strength slip table, includes the base, be equipped with slip table and lower slip table on the base, the both sides of going up slip table and lower slip table all are equipped with the clamp plate fixed plate, be equipped with V type slot on the base, be equipped with the slider on the V type slot, one side of V type slot is equipped with first defeated oil pipe, is equipped with the defeated oil pipe of second on the slider, is equipped with on the slider and leads the oil groove, and first defeated oil pipe is linked together with leading the oil groove respectively with the second defeated oil pipe.

Preferably, be equipped with clearance compensation system on the clamp plate fixed plate, clearance compensation system is including being equipped with first screw hole and the piston of seting up on the clamp plate fixed plate, and first threaded hole is equipped with hexagon socket head cap screw M6X40 and standard type bullet pad M6.

Preferably, a second threaded hole is formed in the upper sliding table, and an inner hexagonal socket head cap head screw M5X25 and a standard type spring washer M5 are arranged in the second threaded hole.

Preferably, a third threaded hole is formed in the sliding block, and an inner hexagonal socket head cap head screw M12X45 and a standard type spring washer M12 are arranged in the third threaded hole.

The invention combines the advantages of the linear rail and the hard rail, has the characteristics of high rigidity, small thermal deformation, high precision, small vibration, high stability, small volume, high speed, large bearing capacity, long service life and the like, thereby ensuring the actual precision in a processing state, having simple structure and low manufacturing process requirement, not needing to purchase an imported guide rail, not being influenced by the price and the ordering period, having long service life and high precision, greatly reducing the clearance between the sliding tables by using the sliding block type sliding table, reducing the vibration and increasing the processing precision, being provided with the oil guide pipe, realizing self lubrication, and compensating the precision error caused by the abrasion by using the hydraulic clearance compensation.

Drawings

Fig. 1 is a schematic three-dimensional structure diagram of a precision high-strength sliding table according to the present invention;

FIG. 2 is a rear view of a precise high-strength sliding table according to the present invention;

FIG. 3 is a schematic top view of a precision high-strength slide table according to the present invention;

FIG. 4 is a front view of a precision high strength slide table according to the present invention;

FIG. 5 is a schematic structural view of a portion A of FIG. 1 of the precision high-strength slide table according to the present invention;

FIG. 6 is a schematic structural view of a precision high-strength sliding table slider according to the present invention;

FIG. 7 is a schematic structural view of a precise high-strength fixing block for a platen of a sliding table according to the present invention;

FIG. 8 is a schematic view of a precise high strength slipway assembly connection according to the present invention;

fig. 9 is a schematic structural view of a precise high-strength lower sliding table according to the present invention.

In the figure: the automatic oil feeding device comprises a base 1, an upper sliding table 2, a lower sliding table 3, a pressing plate fixing block 4, a 5V-shaped groove, a sliding block 6, a first oil conveying pipe 7, a second oil conveying pipe 8, an oil guide groove 9, a first screw hole 10, a second screw hole 11, a transverse motor assembly 12, a longitudinal motor assembly 13 and a third screw hole 14.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Example one

Referring to fig. 1-9, a precision high-strength sliding table comprises a base 1, wherein an upper sliding table 2 and a lower sliding table 3 are arranged on the base 1, both sides of the upper sliding table 2 and the lower sliding table 3 are respectively provided with a pressing plate fixing plate 4, the base 1 is provided with a V-shaped groove 5, the V-shaped groove 5 is provided with a sliding block 6, one side of the V-shaped groove 5 is provided with a first oil conveying pipe 7, the sliding block 6 is provided with a second oil conveying pipe 8, the sliding block 6 is provided with an oil guide groove 9, and the first oil conveying pipe 7 and the second oil conveying pipe 8 are respectively communicated with the oil.

In the invention, a clearance compensation system is arranged on the pressure plate fixing plate 4, the clearance compensation system comprises a first screw hole 10 and a piston which are arranged on the pressure plate fixing plate 4, and a hexagon socket head cap screw M6X40 and a standard elastic cushion M6 are arranged in the first screw hole 10.

In the invention, a second threaded hole 11 is formed in the upper sliding table 2, and an inner hexagonal socket head cap head screw M5X25 and a standard elastic cushion M5 are arranged in the second threaded hole 11.

In the invention, a third threaded hole 14 is formed in the sliding block 6, and a hexagon socket head cap screw M12X45 and a standard type spring washer M12 are arranged in the third threaded hole 14.

Example two

The change is made on the basis of the first embodiment, the first embodiment adopts a double V-shaped sliding table with a middle sliding block, after the improvement, one side of the sliding table can be a V-shaped sliding rail with the middle sliding block, the other side of the sliding table is a convex V-shaped sliding rail, or the improvement of the double V-shaped sliding table with the middle sliding block is changed into a sliding table, or an inclined sliding table, namely the sliding table is obliquely arranged, so that the vertical movement is realized when the sliding table is horizontally placed,

in the invention, an upper sliding table 2 and a lower sliding table 3 are overlapped, two sides of the upper sliding table 2 and two sides of the lower sliding table 3 are respectively fixed by two pressing plate fixing blocks 4, each sliding table is provided with at least one V-shaped groove 5 for placing a sliding block 6, one side of the sliding groove is provided with a first oil pipeline 7, the sliding block is also provided with a second oil pipeline 8 which is connected to an oil guide groove 9 of the sliding block, the sliding tables use a static pressure technology, lubricating oil with certain pressure is injected into the oil guide pipes and is input into an oil cavity on a guide rail surface through a throttle, so that a bearing oil film can be formed, the guide rail surfaces are in a pure liquid friction state, the friction coefficient is reduced, the precision is increased.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.

Claims

1. The utility model provides a precision high strength slip table, includes base (1), its characterized in that, be equipped with on base (1) slip table (2) and lower slip table (3), the both sides of going up slip table (2) and lower slip table (3) all are equipped with clamp plate fixed plate (4), be equipped with V type slot (5) on base (1), be equipped with slider (6) on V type slot (5), one side of V type slot (5) is equipped with first defeated oil pipe (7), is equipped with the defeated oil pipe of second (8) on slider (6), is equipped with on slider (6) and leads oil groove (9), and first defeated oil pipe (7) are linked together with oil groove (9) of leading respectively with second defeated oil pipe (8).

2. The precise high-strength sliding table according to claim 1, wherein a clearance compensation system is arranged on the pressure plate fixing plate (4), the clearance compensation system comprises a first screw hole (10) and a piston, the first screw hole (10) is formed in the pressure plate fixing plate (4), and an inner hexagonal socket head cap screw M6X40 and a standard elastic cushion M6 are arranged in the first screw hole (10).

3. The precise high-strength sliding table according to claim 1, wherein a second threaded hole (11) is formed in the upper sliding table (2), and a socket head cap screw M5X25 and a standard spring washer M5 are arranged in the second threaded hole (11).

4. The precise high-strength sliding table according to claim 1, wherein a third threaded hole (14) is formed in the sliding block (6), and a socket head cap screw M12X45 and a standard spring washer M12 are arranged in the third threaded hole (14).