Low-temperature cooling device for ultra-precision machining

Abstract

The utility model discloses a low-temperature cooling device for ultra-precision machining. The low-temperature cooling device comprises a precision lathe; the symmetrical long electric push rods are fixedly connected with a top plate of the precision lathe respectively, push rods of the symmetrical long electric push rods penetrate through the top plate of the precision lathe respectively, the push rods of the symmetrical long electric push rods are fixedly connected with U-shaped plates respectively, and the U-shaped plates are fixedly connected with symmetrical guide rods; the symmetrical guide rods penetrate through the moving groove, the moving groove is fixedly connected with a sliding groove, and a bearing in the sliding groove is connected with a screw rod; the symmetrical sliding blocks are arranged in the sliding grooves respectively. The utility model relates to the technical field of low-temperature cooling, in particular to a low-temperature cooling device for ultra-precision machining. The technical problem to be solved by the utility model is to provide a low-temperature cooling device for ultra-precision machining, which is convenient to adjust a cooling area according to a workpiece, a cutter, a cutting area and the like so as to realize ultra-precision machining.

Description

Technical Field

[0001] The utility model relates to the technical field of cryogenic cooling, in particular to a cryogenic cooling device for ultra-precision machining. Background Technique

[0002] Ultra-precision machining is a machining process that uses the strictly constrained relative motion between a part and a tool on ultra-precision machine tools to perform micro-cutting on materials to obtain extremely high shape accuracy and surface finish. Cryogenic cooling technology is a method of cooling workpieces, tools or cutting areas during the machining process using cryogenic media (such as liquid nitrogen, cryogenic cold air, etc.). This technology has significant advantages, can improve the cutting performance of materials, improve machining accuracy and surface quality, and at the same time extend the tool life.

[0003] At present, there is still a lack of a device that can conveniently adjust the cooling area according to workpieces, tools and cutting areas, etc., to achieve ultra-precision machining. Summary of the Utility Model

[0004] The technical problem to be solved by the utility model is to provide a cryogenic cooling device for ultra-precision machining, which can conveniently adjust the cooling area according to workpieces, tools and cutting areas, etc., to achieve ultra-precision machining.

[0005] The utility model adopts the following technical scheme to achieve the utility model purpose:

[0006] A cryogenic cooling device for ultra-precision machining, characterized in that it includes: a precision lathe; symmetric long electric push rods, respectively fixedly connected to the top plate of the precision lathe, the push rods of the symmetric long electric push rods respectively pass through the top plate of the precision lathe, the push rods of the symmetric long electric push rods are respectively fixedly connected to a U-shaped plate, and the U-shaped plate is fixedly connected to symmetric guide rods; moving grooves, the symmetric guide rods respectively pass through the moving grooves, the moving grooves are fixedly connected to sliding grooves, and a screw rod is connected by a bearing in the sliding grooves; symmetric sliders are respectively arranged in the sliding grooves, the two reverse threads of the screw rod are respectively threadedly connected to the corresponding sliders, the symmetric sliders are respectively fixedly connected to round block shafts; symmetric arc-shaped air pipes are respectively provided with a group of uniformly distributed air outlet holes, one ends of the symmetric arc-shaped air pipes are respectively rotatably connected to the sliding grooves, each round block shaft is respectively rotatably connected to one end of a connecting rod, and the other ends of the symmetric connecting rods are rotatably connected to the middle parts of the corresponding arc-shaped air pipes. By adopting two arc-shaped air pipes, the area formed by the two arc-shaped air pipes can be adjusted, which is convenient to adjust according to workpieces, tools or cutting areas, etc.

[0007] As a further limitation of this technical solution, the sliding groove is fixedly connected to an adjusting motor, and the output shaft of the adjusting motor is fixedly connected to the screw rod. By adopting the adjusting motor, power is provided for the adjustment of the arc-shaped air pipe.

[0008] As a further limitation of this technical solution, the U-shaped plate is fixedly connected to the tank body, the tank body is fixedly connected and communicated with the air inlet pipe, and the air inlet pipe passes through the U-shaped plate. By adopting the tank body, the storage and supply of cooling gas are realized.

[0009] As a further limitation of this technical solution, the tank body is fixedly connected to the motor, the output shaft of the motor is fixedly connected to the power rod, the power rod is fixedly connected to the round block, and the round block is arranged in the moving groove. By adopting the motor, power is provided for the arc-shaped air pipe to move along the workpiece, tool or cutting area.

[0010] As a further limitation of this technical solution, the precision lathe is fixedly connected to the control display, and the precision lathe, the long electric push rod, the tank body, the motor and the adjustment motor are respectively electrically connected to the control display. By adopting the control display, the automatic control of the precision lathe, the long electric push rod, the tank body, the motor and the adjustment motor is realized.

[0011] As a further limitation of this technical solution, the power rod is an electric push rod, the push rod of the electric push rod is fixedly connected to the round block, and the electric push rod is electrically connected to the control display. By adopting the electric push rod, it is convenient to adjust according to the size of the workpiece, so that the stroke of the arc-shaped air pipe matches the workpiece.

[0012] Compared with the related technology, a low-temperature cooling device for ultra-precision machining provided by the present utility model has the following beneficial effects:

[0013] (1) By adopting two arc-shaped air pipes in this device, the area formed by the two arc-shaped air pipes is adjustable, which is convenient to adjust according to the workpiece, tool or cutting area, etc.;

[0014] (2) By adopting the power rod in this device, the arc-shaped air pipe moves when the motor works, realizing the cooling of the workpiece and the tool, and is convenient to use;

[0015] (3) By adopting the electric push rod in this device, the arc-shaped air pipe moves in the height direction, which is convenient for placing the workpiece and subsequent cooling. Description of the Drawings

[0016] Figure 1 is a schematic three-dimensional structure of the present utility model Figure 1 ;

[0017] Figure 2 is a schematic partial three-dimensional structure of the present utility model Figure 1 ;

[0018] Figure 3 is a schematic partial three-dimensional structure of the present utility model Figure 2 ;

[0019] Figure 4 Partial three-dimensional structure schematic diagram of the present utility model Figure 3 ;

[0020] Figure 5 Partial three-dimensional structure schematic diagram of the present utility model Figure 4 ;

[0021] Figure 6 Three-dimensional structure schematic diagram of the present utility model Figure 2 .

[0022] In the figure: 1, precision lathe; 2, long electric push rod; 3, tank body; 4, U-shaped plate; 5, control display; 6, intake pipe; 7, motor; 8, guide rod; 9, power rod; 10, chute; 11, screw rod; 12, slider; 13, adjustment motor; 14, round block shaft; 15, connecting rod; 16, arc-shaped air pipe; 17, air outlet hole; 18, moving groove; 19, round block. Specific implementation manner

[0023] 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 the embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without making creative efforts shall fall within the protection scope of the present utility model.

[0024] Embodiment 1: A low-temperature cooling device for ultra-precision machining, comprising: a precision lathe 1; symmetric long electric push rods 2, respectively fixedly connected to the top plate of the precision lathe 1, the push rods of the symmetric long electric push rods 2 respectively pass through the top plate of the precision lathe 1, the push rods of the symmetric long electric push rods 2 are respectively fixedly connected to the U-shaped plate 4, and the U-shaped plate 4 is fixedly connected to symmetric guide rods 8; a moving groove 18, the symmetric guide rods 8 respectively pass through the moving groove 18, the moving groove 18 is fixedly connected to the chute 10, and the screw rod 11 is connected by a bearing in the chute 10; symmetric sliders 12, respectively arranged in the chute 10, the two reverse-threaded sections of the screw rod 11 are respectively threadedly connected to the corresponding sliders 12, and the symmetric sliders 12 are respectively fixedly connected to the round block shafts 14; symmetric arc-shaped air pipes 16, each provided with a group of uniformly distributed air outlet holes 17, one end of each of the symmetric arc-shaped air pipes 16 is respectively rotatably connected to the chute 10, each round block shaft 14 is respectively rotatably connected to one end of the connecting rod 15, and the other ends of the symmetric connecting rods 15 are rotatably connected to the middle parts of the corresponding arc-shaped air pipes 16. By using two arc-shaped air pipes 16, the area formed by the two arc-shaped air pipes 16 can be adjusted, which is convenient for adjusting according to workpieces, cutting tools or cutting areas, etc.

[0025] The sliding groove 10 is fixedly connected to the adjusting motor 13, and the output shaft of the adjusting motor 13 is fixedly connected to the screw rod 11. By adopting the adjusting motor 13, power is provided for the adjustment of the arc-shaped air pipe 16.

[0026] The U-shaped plate 4 is fixedly connected to the tank body 3, the tank body 3 is fixedly communicated with the air inlet pipe 6, and the air inlet pipe 6 passes through the U-shaped plate 4. By adopting the tank body 3, the storage and supply of the cooling gas are realized.

[0027] The tank body 3 is fixedly connected to the motor 7, the output shaft of the motor 7 is fixedly connected to the power rod 9, the power rod 9 is fixedly connected to the round block 19, and the round block 19 is arranged in the moving groove 18. By adopting the motor 7, power is provided for the movement of the arc-shaped air pipe 16 along the workpiece, tool or cutting area.

[0028] The precision lathe 1 is fixedly connected to the control display 5, and the precision lathe 1, the long electric push rod 2, the tank body 3, the motor 7 and the adjusting motor 13 are respectively electrically connected to the control display 5. By adopting the control display 5, the automatic control of the precision lathe 1, the long electric push rod 2, the tank body 3, the motor 7 and the adjusting motor 13 is realized.

[0029] The control display 5 is built-in with a chip STM32F103VCT6.

[0030] The model of the long electric push rod 2 is JXTL.

[0031] The model of the motor 7 is CHV.

[0032] The model of the adjusting motor 13 is 80A6-M02430.

[0033] A valve is installed on the air inlet pipe 6.

[0034] The working principle of a low-temperature cooling device for ultra-precision machining provided by the present utility model is as follows:

[0035] A hose is used to connect the arc-shaped air pipe 16 and the tank body 3.

[0036] Place the workpiece on the precision lathe 1. Control the electric push rod 2 to extend through the control display 5, so that the arc-shaped air pipe 16 moves downward to a suitable position. Control the control display 5 to control the rotation of the adjustment motor 13. The adjustment motor 13 drives the screw rod 11 to rotate. The screw rod 11 drives the slider 12 to move. The slider 12 drives the round block shaft 14 to move. The round block shaft 14 drives the connecting rod 15 to swing. The connecting rod 15 drives the arc-shaped air pipe 16 to swing, so that the area formed by the arc-shaped air pipes 16 matches the workpiece, the tool and the cutting area. Control the control display 5 to control the operation of the precision lathe 1 to realize the machining of the workpiece. Control the tank body 3 to provide cooling gas. Control the rotation of the motor 7. The motor 7 drives the power rod 9 to swing. The power rod 9 drives the round block 19 to move in the moving groove 18. The round block 19 drives the moving groove 18 to move along the guide rod 8. The moving groove 18 drives the sliding groove 10, the screw rod 11, the slider 12, the round block shaft 14, the connecting rod 15 and the arc-shaped air pipe 16 to move, so that the cold air is ejected from the air outlet hole 17 to realize the cooling of the workpiece and the tool.

[0037] Embodiment 2: This embodiment is further elaborated on the basis of Embodiment 1. The power rod 9 is an electric push rod. The push rod of the electric push rod is fixedly connected to the round block 19. The electric push rod is electrically connected to the control display 5. By using an electric push rod, it is convenient to adjust according to the size of the workpiece, so that the stroke of the arc-shaped air pipe 16 matches the workpiece.

[0038] The model of the electric push rod is SXTL.

[0039] The working principle of a low-temperature cooling device for ultra-precision machining provided by the present invention is as follows:

[0040] According to the size of the workpiece, control the telescopic amount of the electric push rod, so that the stroke of the arc-shaped air pipe 16 matches the workpiece.

[0041] The above are only the embodiments of the present invention, and do not limit the patent scope of the present invention. Any equivalent structure or equivalent process transformation made by using the specification and drawings of the present invention, or directly or indirectly applied to other related technical fields, shall be equally included in the patent protection scope of the present invention.

Claims

1. A cryogenic cooling device for ultra-precision machining, characterized in that: include: Precision lathe (1); Symmetrical long electric push rods (2) are respectively fixedly connected to the top plate of the precision lathe (1); push rods of the symmetrical long electric push rods (2) respectively pass through the top plate of the precision lathe (1); push rods of the symmetrical long electric push rods (2) are respectively fixedly connected to the U-plate (4); and the U-plate (4) is fixedly connected to the symmetrical guide rods (8); A movable groove (18), wherein the symmetrical guide rods (8) respectively pass through the movable grooves (18), the movable grooves (18) are fixedly connected to the slide groove (10), and the inner bearing of the slide groove (10) is connected to the screw rod (11); Symmetrical sliders (12) are respectively arranged in the slide grooves (10); the two reverse threads of the screw rod (11) are respectively threadedly connected to the corresponding sliders (12); and the symmetrical sliders (12) are respectively fixedly connected to the round block shafts (14); The symmetrical arc-shaped air pipes (16) are respectively provided with a group of evenly distributed air outlet holes (17); one end of the symmetrical arc-shaped air pipes (16) is respectively rotatably connected to the slide groove (10); each of the round block shafts (14) is respectively rotatably connected to one end of the connecting rod (15); and the other end of the symmetrical connecting rod (15) is rotatably connected to the middle part of the corresponding arc-shaped air pipe (16).

2. The ultra-precision machining cryogenic cooling device according to claim 1, characterized in that: The slide groove (10) is fixedly connected to the adjusting motor (13), and the output shaft of the adjusting motor (13) is fixedly connected to the screw rod (11).

3. The ultra-precision machining cryogenic cooling device according to claim 2, characterized in that: The U plate (4) is fixedly connected to the tank body (3), the tank body (3) is fixedly connected to the air intake pipe (6), and the air intake pipe (6) passes through the U plate (4).

4. The ultra-precision machining cryogenic cooling device according to claim 3, characterized in that: The tank body (3) is fixedly connected to the motor (7), the output shaft of the motor (7) is fixedly connected to the power rod (9), the power rod (9) is fixedly connected to the round block (19), and the round block (19) is arranged in the movable groove (18).

5. The ultra-precision machining cryogenic cooling device according to claim 4, characterized in that: The precision lathe (1) is fixedly connected to a control display (5), and the precision lathe (1), the long electric push rod (2), the tank (3), the motor (7) and the regulating motor (13) are respectively electrically connected to the control display (5).

6. The ultra-precision machining cryogenic cooling device according to claim 5, characterized in that: The power rod (9) is an electric push rod, a push rod of the electric push rod is fixedly connected to the round block (19), and the electric push rod is electrically connected to the control display (5).

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