CN220839009U - Tool for machining precise parts - Google Patents

Abstract

The utility model discloses a tool for machining precise parts, which belongs to the technical field of machining shaft parts and comprises a supporting box and a connecting box arranged above the supporting box, wherein a double-shaft motor is arranged in the supporting box, two positioning sleeves are symmetrically arranged on the surface of the supporting box, lifting screws are connected in a rotating manner in the positioning sleeves, connecting blocks are connected with the outer walls of the lifting screws in a threaded manner, a fixing rod fixedly connected with the connecting box is fixedly connected to one side of the connecting blocks, a stepping motor is arranged in the connecting box, the output end of the stepping motor is fixedly connected with a guide shaft, two groups of thread grooves with opposite directions are symmetrically arranged on the outer walls of the guide shaft, guide blocks are connected with the outer sides of the two groups of thread grooves on the outer walls of the guide shaft in a threaded manner, and positioning blocks are fixedly connected to one side of the guide blocks. This a frock for precision parts processing can nimble adjustment, is applicable to different axle type parts processing, has improved practicality and suitability.

Description

Tool for machining precise parts

Technical Field

The utility model belongs to the technical field of machining of shaft parts, and particularly relates to a tool for machining of precision parts.

Background

Frock, the technology equipment: refers to the generic term for various tools used in the manufacturing process. Comprises a cutter, a clamp, a die, a measuring tool, a checking tool, an auxiliary tool, a bench tool, a station tool and the like. The fixture is a technological device for fast fastening workpiece during machining to maintain proper relative position of machine tool, cutter and workpiece. That is, the tool holder is an indispensable component for machining.

In industrial products, shaft-like parts are suitable for use in one or more numerically controlled machine tool machining part maintenance operations. Shaft-like parts are one of the typical parts commonly encountered in hardware fittings and are used primarily to support transmission components, transmit torque and carry loads. The utility model discloses a processing anchor clamps of axle type part are announced in authority CN209774026U, including the base, the inner chamber right wall of base has the round axle along controlling direction coupling, and the equal interference fit in outer wall left and right sides of round axle has first gear, and the top left and right sides of base has all welded the rectangle frame, and the inner chamber top of rectangle frame has the screw rod along upper and lower direction coupling, and the bottom of screw rod extends to the inner chamber of base, and the bottom welding of screw rod has the second gear with first gear engaged with. Because some axle type parts require the machining precision higher, but above-mentioned structure can't remove in vertical direction in the use, leads to can not carrying out nimble adjustment according to actual processing demand axle type part's position, has certain use limitation.

Disclosure of utility model

The utility model aims to provide a tool for machining precise parts, which solves the problems in the background art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a frock for accurate part processing, includes the supporting box and sets up in the connection box of supporting box top, install biax motor in the supporting box, and the surface symmetry of supporting box installs two spacer sleeves, spacer sleeve internal rotation is connected with lifting screw, lifting screw's outer wall threaded connection has the connecting block, one side fixedly connected with and the dead lever of connection box fixed connection of connecting block, install step motor in the connection box, step motor's output fixedly connected with guiding axle, two sets of thread groove that trend is opposite have been seted up to the outer wall symmetry of guiding axle, and the equal threaded connection in two sets of thread groove outside the guiding axle outer wall has the guide block, one side fixedly connected with locating piece of guide block.

In a further embodiment, the two output ends of the double-shaft motor are fixedly connected with a driving shaft, and the end face of the driving shaft is fixedly connected with a driving bevel gear.

In a further embodiment, the outer wall of the lower half part of the lifting screw is fixedly connected with a driven bevel gear meshed with the driving bevel gear, and two supporting blocks for supporting the driving shaft are symmetrically arranged on the bottom wall of the inner cavity of the supporting box.

In a further embodiment, the positioning block is provided with a through hole, the surface of the positioning block is provided with a threaded hole, and the threaded hole on the surface of the positioning block is internally and in threaded connection with a fixing screw.

In a further embodiment, the bottom of the fixing screw is rotatably connected with a pressing plate through a bearing, and the top of the fixing screw is fixedly connected with an adjusting block.

In a further embodiment, a guide hole is formed in the surface of the positioning block, and a limiting column fixedly connected with the pressing plate is connected in a sliding manner in the guide hole on the surface of the positioning block.

The utility model has the technical effects and advantages that:

According to the tool for machining the precise parts, the double-shaft motor drives the driving shaft and the driving bevel gear to rotate, so that the driven bevel gear and the lifting screw are driven to rotate, the fixed rod and the connecting box can be driven to move, and the heights of shaft parts can be flexibly adjusted according to actual machining requirements; the guide shaft is driven to rotate by the stepping motor, so that the two guide blocks are driven to move, the distance between the two positioning blocks can be adjusted according to the length of the shaft parts, and the shaft parts with different lengths can be fixed; through rotating the fixing screw, the position of the pressing plate can be adjusted, so that shaft parts with different specifications can be effectively fixed, the tool for machining the precise parts can be flexibly adjusted, and the tool is suitable for machining different shaft parts, and the practicability and applicability are improved.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a cross-sectional view of the junction of the support box and the spacer sleeve of the present utility model;

FIG. 3 is a cross-sectional view of the junction box of the present utility model;

Fig. 4 is a schematic structural view of the positioning block of the present utility model.

In the figure: 1. a supporting box; 11. a biaxial motor; 12. a drive shaft; 13. a drive bevel gear; 14. a support block; 15. a positioning sleeve; 16. lifting screw rods; 17. a driven bevel gear; 18. a connecting block; 19. a fixed rod; 2. a connection box; 21. a stepping motor; 22. a guide shaft; 23. a guide block; 3. a positioning block; 31. a fixed screw; 32. a pressing plate; 33. a limit column; 34. and an adjusting block.

Detailed Description

In the following description, numerous specific details are set forth in order to provide a more thorough understanding of the present utility model. It will be apparent, however, to one skilled in the art that the utility model may be practiced without one or more of these details. In other instances, well-known features have not been described in detail in order to avoid obscuring the utility model.

In order to flexibly adjust the height of shaft parts according to processing requirements, as shown in fig. 1 and 2, a double-shaft motor 11 is mounted on the bottom wall of the inner cavity of a supporting box 1 through bolts, two output ends of the double-shaft motor 11 are fixedly connected with a driving shaft 12 through a coupler, a driving bevel gear 13 is welded and fixed on the end face of the driving shaft 12, two supporting blocks 14 for supporting the driving shaft 12 are symmetrically welded on the bottom wall of the inner cavity of the supporting box 1, the driving shaft 12 is rotationally connected with the supporting blocks 14 through welded bearings, and the supporting blocks 14 can effectively support the driving shaft 12, so that the stability of the driving shaft 12 in the rotation process is ensured;

The surface symmetry welding of supporting box 1 has two spacer bushes 15, be connected with lift screw 16 through welded bearing rotation in the spacer bushes 15, the diapire of lift screw 16 also rotates through welded bearing and the bottom plate of supporting box 1 and is connected, the lower half outer wall fixedly connected with of lift screw 16 and the driven bevel gear 17 of initiative bevel gear 13 engaged with, the outer wall threaded connection of lift screw 16 has connecting block 18, the removal groove that supplies connecting block 18 to remove has all been seted up to the opposite face of two spacer bushes 15, one side welded fastening of connecting block 18 has dead lever 19, the one end welded fastening of dead lever 19 has connecting box 2, drive shaft 12 and initiative bevel gear 13 through biax motor 11 rotates, thereby drive driven bevel gear 17 and lift screw 16 rotate, and then drive dead lever 19 and connecting box 2 go up and down, thereby the convenient height of axle class part carries out flexible adjustment.

In order to facilitate the fixation of shaft parts with different specifications, as shown in fig. 1, 3 and 4, a stepping motor 21 is installed in a connecting box 2 through bolts, the output end of the stepping motor 21 is fixedly connected with a guide shaft 22 through a coupling, two groups of thread grooves with opposite directions are symmetrically formed in the outer wall of the guide shaft 22, guide blocks 23 are connected with the outer threads of the two groups of thread grooves in the outer wall of the guide shaft 22, a guide groove for the guide blocks 23 to move is formed in one side of the connecting box 2 facing a positioning sleeve 15, and a positioning block 3 is welded and fixed on one side of the guide blocks 23;

The through hole for placing shaft parts is formed in the positioning block 3, a threaded hole is formed in the surface of the positioning block 3, a fixing screw 31 is connected with the threaded hole in the surface of the positioning block 3 in a threaded mode, a pressing plate 32 is connected to the bottom of the fixing screw 31 in a rotating mode through a welded bearing, an anti-slip pad is adhered to the bottom of the pressing plate 32, an adjusting block 34 is fixedly welded to the top of the fixing screw 31, a guide hole is formed in the surface of the positioning block 3, a limit column 33 fixedly welded with the pressing plate 32 is connected in the guide hole in a sliding mode on the surface of the positioning block 3, and when the fixing screw 31 rotates, the moving path of the pressing plate 32 is limited, and the pressing plate 32 is guaranteed to vertically lift.

Working principle:

When the tool for machining the precise parts is used, the stepping motor 21 is started, the stepping motor 21 drives the guide shafts 22 to rotate, so that the two guide blocks 23 are driven to move, the distance between the two positioning blocks 3 is adjusted according to the length of the shaft parts, after the position adjustment of the two positioning blocks 3 is completed, the shaft parts are placed into the through holes of the positioning blocks 3, the fixing screw 31 is rotated, the pressing plate 32 is driven to move downwards, the pressing plate 32 is attached to the surfaces of the shaft parts, and the positions of the shaft parts are fixed;

And then the double-shaft motor 11 is started, the double-shaft motor 11 drives the driving shaft 12 and the driving bevel gear 13 to rotate, the driving bevel gear 13 drives the driven bevel gear 17 and the lifting screw 16 to rotate, the lifting screw 16 drives the connecting block 18 and the fixing rod 19 to move, the connecting box 2 is driven to lift, and the heights of shaft parts are flexibly adjusted according to actual processing requirements.

Finally, it should be noted that: the foregoing is merely preferred in the present utility model and is not intended to limit the present utility model.

Claims (6)

1. A frock for precision parts processing, includes supporting box (1) and sets up in connecting box (2) of supporting box (1) top, its characterized in that: install biax motor (11) in supporting box (1), and the surface symmetry of supporting box (1) installs two spacer sleeves (15), spacer sleeve (15) internal rotation is connected with lift screw (16), the outer wall threaded connection of lift screw (16) has connecting block (18), one side fixedly connected with of connecting block (18) and connecting box (2) fixed connection's dead lever (19), install step motor (21) in connecting box (2), the output fixedly connected with guiding axle (22) of step motor (21), two sets of thread grooves that trend is opposite have been seted up to the outer wall symmetry of guiding axle (22), and the equal threaded connection in two sets of thread grooves of guiding axle (22) outer wall has guide block (23), one side fixedly connected with locating piece (3) of guide block (23).

2. The tooling for precision part machining according to claim 1, wherein: two output ends of the double-shaft motor (11) are fixedly connected with a driving shaft (12), and the end face of the driving shaft (12) is fixedly connected with a driving bevel gear (13).

3. The tooling for precision part machining according to claim 2, wherein: the outer wall of the lower half part of the lifting screw (16) is fixedly connected with a driven bevel gear (17) meshed with the driving bevel gear (13), and two supporting blocks (14) used for supporting the driving shaft (12) are symmetrically arranged on the bottom wall of the inner cavity of the supporting box (1).

4. The tooling for precision part machining according to claim 1, wherein: the positioning block (3) is provided with a through hole, the surface of the positioning block (3) is provided with a threaded hole, and the threaded hole in the surface of the positioning block (3) is connected with a fixing screw rod (31) in a threaded manner.

5. The tooling for precision part machining according to claim 4, wherein: the bottom of the fixing screw rod (31) is rotatably connected with a pressing plate (32) through a bearing, and the top of the fixing screw rod (31) is fixedly connected with an adjusting block (34).

6. The tooling for precision part machining according to claim 5, wherein: the surface of the positioning block (3) is provided with a guide hole, and a limit column (33) fixedly connected with the pressing plate (32) is connected in a sliding manner in the guide hole on the surface of the positioning block (3).