CN206249901U - A kind of multi-functional slide unit of triple speed movement - Google Patents

Abstract

The utility model introduces a multi-functional sliding table with triple speed movement, which includes a sliding table body, a driving block, a sliding table seat, a linear guide rail, a driving oil cylinder, and left and right pulley block units; The oil cylinder and the linear guide rail are all set at the bottom of the slide base, the fixed pulleys of the left and right pulley block units are respectively fixed on the left and right sides of the slide base, and the movable pulley is set at the output end of the driving cylinder; the slide body is set on the linear guide rail; the driving block is fixed on the on the slide body. This patent adopts the transmission principle of the pulley block mechanism, and drives the movable pulley in the pulley block to travel L at a speed V through the drive cylinder, and the travel of the three steel wire ropes is summed and superimposed by the fixed pulleys to drive the drive block to travel 3L at a speed of 3V, realizing three times the speed and stroke. Enlargement; the length of the oil cylinder can be shortened by two-thirds, the feed speed of the piston can be reduced by two-thirds, the process parameters of the drive oil cylinder are reduced, and the cost is saved.

Description

A kind of multi-functional sliding platform with triple speed movement

technical field

The utility model relates to a technique in the field of machinery, in particular to a multifunctional sliding table moving at triple speed.

Background technique

According to the forecast and investment analysis report of China's sliding table industry from 2014 to 2020, the consumption of domestic mechanical sliding tables is currently on the rise year by year, and higher requirements are put forward for sliding tables: longer strokes and greater output force, higher automation control.

Conventional mechanical slides are the main bed of combined machine tools, counter milling machines, and other special machine tools. The working principle of the mechanical slide table is that the slide plate moves longitudinally on the bed, because of the screw drive and the role of the gearbox. Various running speeds such as fast and slow can be obtained.

Mechanical sliding table The use and performance of the mechanical sliding table: After installing the workpiece on the sliding table, it can perform reciprocating motion, and after installing the power head and other related accessories on the sliding table, the workpiece can be cut and drilled through the movement of the sliding table. , Boring movement. Combining multiple sliding tables of different specifications can process complex parts or carry out mass production.

However, various slide tables in the prior art, especially hydraulic slide tables and mechanical slide tables, all have the disadvantages of heavy structure and high product price. Conventional mechanical slides are driven by ball screws. In order to achieve long-distance strokes, non-standard screw screws must be customized. Non-standard screw screws are difficult to process and difficult to guarantee accuracy. The procurement cycle is long and the cost is also greatly increased, which is not conducive to commercial production. However, there is a one-to-one relationship between the stroke of the conventional hydraulic slide table and the stroke of the driving cylinder. In order to meet the long stroke, a non-standard long cylinder must be customized. On the one hand, it is difficult to process, difficult to guarantee accuracy, and the procurement cycle and cost are high. On the other hand The model of the supporting hydraulic station also needs to be increased, resulting in an increase in the cost of use, which is not economical, and is also not conducive to large-scale commercial production.

Contents of the invention

The technical problem to be solved by the utility model is to provide a multi-functional sliding platform with triple speed movement, so as to solve the shortcomings of the prior art, such as heavy structure, high product price, and short service life of the oil cylinder, so as to achieve large output force and short stroke. Long, fast, stable operation, high adaptability, strong expansion ability, and high cost performance, especially through triple-speed movement, compared with double-speed multi-functional sliding table, the moving speed is increased.

In order to achieve the purpose of solving the above technical problems, the utility model adopts the following technical solutions:

A multi-functional slide table with triple speed movement of the present utility model comprises a slide table body, a drive block, a slide base, a linear guide rail, a drive oil cylinder, a left pulley block unit, and a right pulley block unit; The pulley, the second fixed pulley, and the cable; the driving cylinder is a left and right two-way output hydraulic cylinder, and the left and right output ends move in the same direction; the cable includes a force end and a tension end;

Among them, the driving cylinder and the linear guide rail are all arranged at the bottom of the slide base, and the fixed pulleys of the left pulley block unit and the right pulley block unit are respectively fixed on the left and right sides of the slide base;

The slide body is set on the linear guide rail and can slide along the linear guide rail;

The drive block is fixed on the slide body; the force-bearing ends of the cables of the left pulley unit and the right pulley unit are respectively connected to the drive block;

The left and right two-way output hydraulic cylinder includes left output end and right output end, and the left output end and right output end move in the same direction;

The movable pulley of the left pulley block unit is fixed on the left output end of the left and right two-way output hydraulic cylinder, and the first fixed pulley and the second fixed pulley are directly or indirectly fixed on the left side of the sliding platform; the tension end of the cable is directly or indirectly fixed on the left and right two-way output hydraulic pressure The left output end of the oil cylinder; starting from the tension end, the cable bypasses the second fixed pulley, the movable pulley, and the first fixed pulley in turn, and the force-bearing end of the cable is fixed on the driving block;

The movable pulley of the right pulley block unit is fixed on the right output end of the left and right two-way output hydraulic cylinder, and the first fixed pulley and the second fixed pulley are directly or indirectly fixed on the right side of the sliding platform; the tension end of the cable is directly or indirectly fixed on the left and right two-way output hydraulic pressure. The right output end of the oil cylinder; starting from the tension end, the drag cable bypasses the second fixed pulley, the movable pulley, and the first fixed pulley successively, and the stressed end of the drag cable is fixed on the driving block.

More specifically, a cable tensioner may be arranged between the stressed end or pulling end of the cable and the mechanism to which the stressed end or pulling end is fixed. The cable tension can be adjusted by the cable tensioner, so that the equipment can move more synchronously.

Further specifically, there is a single or multiple linear guide rails; when there are multiple linear guide rails, each linear guide rail is distributed in parallel.

Further specifically, the first fixed pulley of the left pulley block unit is fixed on the left side of the slide base, the second fixed pulley is located between the movable pulley and the first fixed pulley, and the rotation axis of the second fixed pulley is fixed on the first fixed pulley. On the pulley or fixed on the left side of the sliding platform seat; the tension end of the cable is fixed on the rotating shaft of the movable pulley or the left output end of the left and right two-way output hydraulic oil cylinder.

More specifically, the movable pulley of the right pulley block unit is fixed on the right output end of the left and right two-way output hydraulic oil cylinder, the first fixed pulley is fixed on the right side of the slide base, and the second fixed pulley is located between the movable pulley and the first fixed pulley. And the rotating shaft of the second fixed pulley is fixed on the first fixed pulley or fixed on the right side of the sliding platform;

In order to achieve better technical effects, the drive block is divided into left and right drive blocks, and the left and right drive blocks are respectively connected to the drag cables of the left pulley block unit and the right pulley block unit.

In order to achieve a better technical effect, a cable tensioner can also be set between the force end and the tension end of the cable, and the mechanism that the force end and the force end are fixed. The cable tension can be adjusted by the cable tensioner, so that the equipment can move more synchronously.

The multi-functional sliding table with triple speed movement of this patent, by adopting the transmission principle of the pulley block mechanism, drives a triple pulley block at both ends of the left and right bidirectional output hydraulic cylinders, and the pulley block drives the driving block through the cable, and the driving block and the sliding table body Connect and drive the slide body, so as to realize the linkage of the entire slide structure. The movable pulley in the pulley block is driven to travel L by driving the cylinder at a speed V. According to the principle of the pulley block, each movable pulley will drive the three cables to travel L. The strokes of the three cables are combined and superimposed by the static pulleys to drive the drive block to travel at a speed of 3V. 3L, so as to achieve three times the speed and stroke amplification.

By adopting the above technical scheme, the utility model has the following beneficial effects:

The technical solution of this patent has a relatively simple structure, is convenient for processing and installation, has low manufacturing cost, adopts high-precision linear guide rails, and has high transmission accuracy. Due to the transmission form of the pulley block, multiple amplifications of the stroke and speed of the driving cylinder can be realized. Compared with the conventional hydraulic slide table and mechanical slide table on the market, there are great advantages in light structure and product price, and the present invention It also has the function of docking and expanding the use of multiple products that conventional sliding tables do not have. This function is still blank in China.

The technical solution of this patent can shorten the length of the cylinder by two-thirds and the feed speed of the piston by two-thirds compared with the conventional hydraulic slide table to achieve the same stroke and feed speed, which greatly reduces the process parameters of the drive cylinder and saves costs. Lightweight product structure, and the service life of the oil cylinder will also be greatly improved.

The technical solution of this patent has the advantages of large output force, long stroke, fast speed, stable operation, high adaptability, strong expansion ability, and high cost performance, and is highly competitive in the market.

Due to its simple structure, high precision, low cost, fast assembly speed, etc., it has a broad application space, and can be widely used in laboratories, mines, petrochemicals, mechanical processing and other routine and Special field, to fill the gap in this aspect of the country. Equipping the present invention with general-purpose turning heads, boring heads, milling heads, wire cutting, welding hands and other processing units, it can be used to process various extra-large and heterogeneous parts by utilizing its high precision and large stroke characteristics, and is suitable for aviation, Ships, wind power, mining and other special fields; especially can be used in various general and special machine tool fields to replace traditional hydraulic slide tables, saving costs and improving product competitiveness.

Description of drawings

Fig. 1 is the overall structure schematic diagram of the multifunctional slide table of triple speed movement of the present patent.

Fig. 2 is the schematic diagram of the left view of the multi-function slide table of triple speed movement of the present patent.

In the figure, 1- slide base, 2- driving block, 3- slide body, 4- cable, 5- driving cylinder, 6- left first fixed pulley, 7- left second fixed pulley, 8- left moving pulley, 9-right moving pulley, 10-right second fixed pulley, 11-right first fixed pulley, 12-linear guide rail.

detailed description

Below in conjunction with accompanying drawing this patent is further explained and illustrated. But the scope of protection of this patent is not limited to the specific implementation.

Example 1

As shown in Fig. 1 and Fig. 2, the multifunctional slide table with triple speed movement of this patent includes a slide table body 3, a driving block 2, a slide table seat 1, a linear guide rail 12, a driving cylinder 5, a left pulley block unit, and a right pulley block unit The left and right pulley block units all include a movable pulley, a first fixed pulley, a second fixed pulley, and a cable 4; the driving cylinder 5 is a left and right bidirectional output hydraulic cylinder, and the left and right output ends move in the same direction; the cable 4 includes a force end and a tension end;

Wherein, the driving cylinder 5 and the linear guide rail 12 are all arranged at the bottom of the slide base 1, and the fixed pulleys of the left pulley block unit and the right pulley block unit are respectively fixed on the left and right sides of the slide base 1; the slide table body 3 is arranged on the linear guide rail 12, And it can slide along the linear guide rail 12; the linear guide rail 12 is single or multiple; when there are multiple linear guide rails 12, each linear guide rail 12 is distributed in parallel.

The drive block 2 is fixed on the slide body 3; the two ends of the drive block 2 are respectively connected to the force-bearing ends of the cables 4 of the left pulley block unit and the right pulley block unit;

The left and right two-way output hydraulic cylinder includes left output end and right output end, and the left output end and right output end move in the same direction;

The movable pulley of the left pulley group unit is fixed on the left output end of the left and right two-way output hydraulic oil cylinders, the first fixed pulley 6 is fixed on the left side of the slide platform seat 1, the second fixed pulley 7 is located between the movable pulley 8 and the first left fixed pulley 6, and The rotation axis of the second fixed pulley 7 is fixed on the first fixed pulley 6; the tension end of the drag cable 4 is fixed on the rotation shaft of the movable pulley 8, and the drag cable 4 bypasses the second fixed pulley 7, the movable pulley 8, and the first fixed pulley in turn. 6. The force-bearing end of the cable 4 is fixed on the left side of the driving block 2 .

The movable pulley 9 of the right pulley block unit is fixed on the right output end of the left and right bidirectional output hydraulic oil cylinders, the first fixed pulley 11 is fixed on the right side of the sliding platform seat 1, and the second fixed pulley 10 is located between the movable pulley 9 and the first fixed pulley 11, and The rotation axis of the second fixed pulley 10 is fixed on the first fixed pulley 11; the tension end of the dragline 4 is fixed on the rotation axis of the movable pulley 9, and the dragline 4 bypasses the second fixed pulley 10, the movable pulley 9, and the first fixed pulley in turn. 11. The stressed end of the cable 4 is fixed on the right side of the driving block 2.

A pull cable 4 tensioner is set between the stressed end of the pull cable 4 and the intermediate drive block 2 .

Example 2

Another multi-functional sliding table with triple speed movement includes a sliding table body 3, a driving block 2, a sliding table seat 1, a linear guide rail 12, a driving cylinder 5, a left pulley block unit, and a right pulley block unit; The fixed pulley, the second fixed pulley, and the cable 4; the driving cylinder 5 is a left and right bidirectional output hydraulic cylinder, and the left and right output ends move in the same direction; the cable 4 includes a force end and a tension end;

Wherein, the driving cylinder 5 and the linear guide rail 12 are all arranged at the bottom of the slide base 1, and the fixed pulleys of the left pulley block unit and the right pulley block unit are respectively fixed on the left and right sides of the slide base 1;

The slide body 3 is arranged on the linear guide rail 12 and can slide along the linear guide rail 12; the linear guide rail 12 is single or multiple; when there are multiple linear guide rails 12, each linear guide rail 12 is distributed in parallel.

The drive block 2 is fixed on the slide body 3; the drive block 2 is divided into left and right drive blocks 2, and the left and right drive blocks 2 are respectively connected to the cables 4 of the left pulley block unit and the right pulley block unit;

The left and right two-way output hydraulic cylinder includes left output end and right output end, and the left output end and right output end move in the same direction;

The movable pulley 8 of the left pulley block unit is fixed on the left output end of the left and right bidirectional output hydraulic oil cylinders, the first fixed pulley 6 is fixed on the left side of the slide platform seat 1, and the second fixed pulley 7 is located between the movable pulley 8 and the first fixed pulley 6, and The rotating shaft of the second fixed pulley 7 is fixed on the left side of the slide base 1; the tension end of the drag cable 4 is fixed on the left output end of the left and right bidirectional output hydraulic cylinders, and the drag cable 4 bypasses the second fixed pulley 7 and the movable pulley 8 in turn. , the first fixed pulley 6, the stressed end of the dragline 4 is fixed on the left drive block;

The movable pulley 9 of the right pulley block unit is fixed on the right output end of the left and right two-way output hydraulic oil cylinder, the first fixed pulley 11 is fixed on the right side of the slide base 1, the second fixed pulley 10 is located between the movable pulley and the first fixed pulley 11, and the The rotation shaft of two fixed pulleys 10 is fixed on the right side fixed on the slide base 1; the drag end of the dragline 4 is fixed on the right output end of the left and right bidirectional output hydraulic oil cylinders, and the dragline 4 bypasses the second fixed pulley 10, the movable pulley 9, The first fixed pulley 11, the stressed end of dragline 4 is fixed on the right drive block.

Between the stressed end and the tension end of the dragline 4, and the fixed mechanism of the stressed end and the tension end, the tensioner of the dragline 4 is set simultaneously. The tension force of the cable 4 can be adjusted through the cable 4 tensioner, so that the equipment can move more synchronously.

Claims (7)

1. A multifunctional slide table that moves at three times the speed is characterized in that: it includes a slide table body, a drive block, a slide table seat, a linear guide rail, a drive cylinder, a left pulley block unit, and a right pulley block unit; A fixed pulley, a second fixed pulley, and a cable; the driving cylinder is a left and right two-way output hydraulic cylinder, and the left and right output ends move in the same direction; the cable includes a force end and a tension end; Among them, the driving cylinder and the linear guide rail are all arranged at the bottom of the slide base, and the fixed pulleys of the left pulley block unit and the right pulley block unit are respectively fixed on the left and right sides of the slide base; The slide body is set on the linear guide rail and can slide along the linear guide rail; The drive block is fixed on the slide body; the force-bearing ends of the cables of the left pulley unit and the right pulley unit are respectively connected to the drive block; The left and right two-way output hydraulic cylinder includes left output end and right output end, and the left output end and right output end move in the same direction; The movable pulley of the left pulley block unit is fixed on the left output end of the left and right two-way output hydraulic cylinder, and the first fixed pulley and the second fixed pulley are directly or indirectly fixed on the left side of the sliding platform; the tension end of the cable is directly or indirectly fixed on the left and right two-way output hydraulic pressure The left output end of the oil cylinder; starting from the tension end, the cable bypasses the second fixed pulley, the movable pulley, and the first fixed pulley in turn, and the force-bearing end of the cable is fixed on the drive block; The movable pulley of the right pulley block unit is fixed on the right output end of the left and right two-way output hydraulic cylinder, and the first fixed pulley and the second fixed pulley are directly or indirectly fixed on the right side of the sliding platform; the tension end of the cable is directly or indirectly fixed on the left and right two-way output hydraulic pressure. The right output end of the oil cylinder; starting from the tension end, the drag cable bypasses the second fixed pulley, the movable pulley, and the first fixed pulley successively, and the stressed end of the drag cable is fixed on the driving block. 2. According to claim 1, the multi-functional sliding platform with triple speed movement is characterized in that: the stress end or tension end of the cable can be set between the force end or tension end and the mechanism that the force end or tension end is fixed. device. 3. According to claim 1, the multi-functional slide table moving at triple speed is characterized in that: there are one or more linear guide rails; when there are multiple linear guide rails, each linear guide rail is distributed in parallel. 4. According to claim 1, the multi-functional sliding table with triple speed movement is characterized in that: a cable tensioner is set between the force end and the tension end of the cable, and the fixed mechanism between the force end and the tension end. tightener. 5. The multifunctional slide table moving at triple speed according to claim 1 is characterized in that: the first fixed pulley of the left pulley block unit is fixed on the left side of the slide base, the second fixed pulley is located at the movable pulley, the first fixed pulley Between the pulleys, and the rotation axis of the second fixed pulley is fixed on the first fixed pulley or fixed on the left side of the slide base; 6. According to claim 1, the multifunctional slide table moving at triple speed is characterized in that: the movable pulley of the right pulley block unit is fixed on the right output end of the left and right two-way output hydraulic oil cylinder, and the first fixed pulley is fixed on the bottom of the slide base. On the right side, the second fixed pulley is located between the movable pulley and the first fixed pulley, and the rotation axis of the second fixed pulley is fixed on the first fixed pulley or on the right side of the slide base; the tension end of the cable is fixed on the rotation of the movable pulley On the shaft or the right output end of the left and right two-way output hydraulic oil cylinder. 7. The multifunctional slide table moving at triple speed according to claim 1 is characterized in that: the drive block is divided into left and right drive blocks, and the left and right drive blocks are respectively connected to the force of the drag cables of the left pulley block unit and the right pulley block unit end.