CN219358768U

CN219358768U - Machining center work piece turning device

Info

Publication number: CN219358768U
Application number: CN202320808241.3U
Authority: CN
Inventors: 彭玉林; 徐艳; 张谊峰
Original assignee: Linyi Zhenming Machinery Co ltd
Current assignee: Linyi Zhenming Machinery Co ltd
Priority date: 2023-04-13
Filing date: 2023-04-13
Publication date: 2023-07-18
Anticipated expiration: 2033-04-13

Abstract

The utility model discloses a workpiece turnover device of a machining center, which comprises a base, wherein four U-shaped grooves are respectively arranged at the edges of two sides of the base, a substrate is arranged above the base, two ends of the substrate are connected with positioning shafts, the cross sections of the positioning shafts are equilateral polygons, the outer sides of the positioning shafts are provided with pressing brackets, the ends of the positioning shafts are connected with round shafts, guide frames are arranged on the side surfaces of the pressing brackets, the guide frames comprise vertical plates, strip-shaped holes are formed in the end surfaces of the vertical plates, the middle parts of the round shafts penetrate through the guide frames, and locking brackets are arranged at the outer sides of the tail ends of the round shafts, and the pressing brackets, the guide frames and the locking brackets are all connected with a bottom plate through bolts.

Description

Machining center work piece turning device

Technical Field

The utility model relates to the technical field of gear inspection, in particular to a workpiece overturning device for a machining center.

Background

The machining center generally refers to a milling machine, which is used for bearing a workpiece and is provided with a workbench, a clamp is arranged on the workbench to clamp the workpiece, and the front, back, left, right, up and down movement of the workpiece can be realized through controlling the workbench and a main shaft, but the workpiece cannot be overturned generally, and the workpiece needs to be overturned after being disassembled or being overturned according to a certain angle in order to machine other end surfaces of the workpiece, and then clamping and calibrating are carried out again.

The patent number 201920052338.X in the prior art discloses a turnover workbench of a horizontal machining center, which adopts a turnover workbench, but solves the technical problems that the time consumption of clamping a workpiece in the machining process affects the machining efficiency, but not the problem that the machining surface of the same workpiece is changed by turnover in the machining, and the adopted technical scheme is also aimed at reducing the time consumption of clamping;

the patent number 202220255785.7 among the prior art discloses an automatic anchor clamps that overturns of hydraulic pressure, and it adopts the upset subassembly to drive anchor clamps body and rotates to realize the purpose of processing the terminal surface of different angles, but its complicated cost is higher, and it is inconvenient to need external power operation such as air supply to provide well moreover, because its structure restriction, leads to the angle of its effectual upset limited, can't carry out 360 upset more, that is to say that the back of work piece can't carry out processing after the upset, still need the dismouting work piece again to carry out reprocessing.

Therefore, the device capable of overturning the workpiece by 360 degrees is designed, so that the workpiece can be switched on line to be processed at any angle without disassembling and re-clamping, the workpiece clamping operation time is greatly saved, the processing efficiency is improved, and the device capable of overturning the included angle rapidly can be designated, so that the problem to be solved by the inventor is solved.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide the workpiece overturning device for the machining center, which can realize overturning of the workpiece by 360 degrees, so that the workpiece can be switched on line at any angle for machining without disassembling and re-clamping, the workpiece clamping operation time is greatly saved, the machining efficiency is improved, and the function of rapidly overturning the included angle can be designated.

The technical scheme adopted by the device is as follows: the utility model provides a machining center work piece turning device, it includes the base, the both sides edge of base is provided with four U-shaped grooves respectively for unable adjustment base, the base top is provided with the base plate for mounting fixture, the both ends of base plate all are connected with the locating shaft, the cross section of locating shaft is equilateral polygon, the outside of locating shaft is provided with compresses tightly the support for carry out appointed angle spaced rotation, the end connection of locating shaft has the circle axle, the side that compresses tightly the support is provided with the guide frame, the guide frame includes the riser, the bar hole has been seted up on the terminal surface of riser, the middle part of circle axle passes the guide frame, the terminal outside of circle axle is provided with the locking support for arbitrary angle rotation and locking, compress tightly support, guide frame, locking support all are connected with the bottom plate through the bolt, three equiangular circumference distributed's triangular screw hole has been seted up on the base plate, four equiangular circumference distributed's square screw holes have been seted up on the base plate for install multiple anchor clamps, the center department of base plate has the through-hole through connecting fixture.

Further, the pressing support comprises an upper die and a lower die, pressing grooves are formed in the upper die and the lower die, the shape of each pressing groove is identical to the cross section of the positioning shaft, and the upper die and the lower die are connected through pressing bolts and used for pressing the positioning shaft.

Further, the upper die and the lower die are not contacted when the upper die and the lower die press the positioning shaft.

Further, the locking support comprises an upper block and a lower block, the upper block and the lower block are both provided with locking grooves, the locking grooves are of arc structures matched with the circumferential surface of the circular shaft, the radian of the arc structures is smaller than 180 degrees, and the upper block and the lower block are connected through locking bolts and are used for locking the circular shaft.

Further, the upper block and the lower block are not contacted when the upper block and the lower block lock the circular shaft.

Further, the clamp comprises a three-jaw chuck and a pressing plate.

Further, the number of the cross-section sides of the positioning shaft is not less than eight.

Further, the bottom plate is fixedly connected with the machining center workbench through bolts.

Further, four scale marks distributed at equal included angles are arranged on the circumferential surface of the end part of the circular shaft.

Further, a scale ring scale is arranged on the end face of the locking support close to the scale mark.

The device has the beneficial effects that:

1. according to the utility model, a simple mechanism design is adopted, the substrate for clamping the workpiece is arranged on the locking bracket through the rotation of the circular shaft, and the angle of the substrate can be randomly adjusted through the unobstructed rotation of the substrate and the circular shaft, so that the angle of the workpiece clamped by the clamp and the clamp arranged on the substrate can be randomly adjusted, meanwhile, the through hole formed in the middle of the substrate can penetrate through the workpiece, the bottom of the workpiece can be processed from the upper end through the round hole after the substrate is overturned, the workpiece can be overturned by 360 degrees, the workpiece can be switched on line to be processed at any angle without dismounting and clamping again, the workpiece clamping operation time is greatly saved, and the processing efficiency is improved.

2. According to the utility model, the positioning shaft with the equilateral polygon cross section is arranged at the edge of the substrate, and the pressing support with the pressing grooves with the identical shapes is matched, so that the rapid overturning at fixed angle intervals can be performed, and the function of rapidly overturning the appointed included angle is realized.

Drawings

Fig. 1 is a structural view of the present utility model.

Fig. 2 is a top view of the present utility model.

Fig. 3 is a view showing the structure of a substrate according to the present utility model.

Fig. 4 is a view showing the structure of the pressing bracket of the present utility model.

Fig. 5 is a view showing the structure of the guide frame of the present utility model.

Fig. 6 is a cross-sectional view of a positioning shaft of the present utility model.

Reference numerals illustrate: 1-a base; a 2-U-shaped groove; 3-a substrate; 4-clamping; 5-compressing the bracket; 6-a guide frame; 7-locking the bracket; 8-positioning a shaft; 9-a circular shaft; 10-bar-shaped holes; 11-vertical plates; 12-triangular threaded holes; 13-square threaded holes; 14-round holes; 15-upper block; 16-lower block; 17-upper die; 18-lower die; 19-a compaction groove; 20-scale mark.

Detailed Description

The apparatus of the present utility model is further illustrated below in conjunction with specific examples, which are provided to illustrate the utility model and are not intended to limit the scope of the utility model. Further, it is understood that various changes and modifications may be made by those skilled in the art after reading the teachings of the apparatus of the present utility model, and such equivalents are intended to fall within the scope of the claims appended hereto.

Embodiment one:

referring to fig. 1 to 6, the workpiece turnover device for the machining center comprises a base 1, four U-shaped grooves 2 are respectively arranged at two side edges of the base 1, and a bottom plate is connected and fixed with a workbench of the machining center through bolts.

The base 1 top is provided with base plate 3, three triangular screw holes 12 that the contained angle circumference was distributed of waiting has been seted up on the base plate 3, four square screw holes 13 that the contained angle circumference was distributed of waiting has been seted up on the base plate 3, the through-hole has been seted up in the center department of base plate 3, base plate 3 has anchor clamps 4 through bolted connection, anchor clamps 4 include three jaw chuck, the clamp plate, two sets of screw holes that set up on the base plate 3 are used for installing different kinds of anchor clamps 4, for example three jaw chuck can be connected fixedly through three triangular screw holes 12 cooperation bolt, and the clamp plate can be according to direction, the suitable screw hole of position selection suppresses the locking to the work piece, round hole 14 that the department was seted up in the middle of the base plate 3 is used for passing the work piece when the clamping, perhaps pass milling cutter when processing, in order to realize the processing of work piece terminal surface after the upset.

The two ends of the base plate 3 are connected with the positioning shaft 8, the cross section of the positioning shaft 8 is an equilateral polygon, the outer side of the positioning shaft 8 is provided with the pressing support 5, the pressing support 5 comprises an upper die 17 and a lower die 18, the upper die 17 and the lower die 18 are respectively provided with a pressing groove 19, the shape of the pressing groove 19 is matched with that of the cross section of the positioning shaft 8, the upper die 17 and the lower die 18 are connected through pressing bolts, the upper die 17 and the lower die 18 are not contacted when the upper die 17 and the lower die 18 press the positioning shaft 8, the equilateral polygon has a unique characteristic, namely, the arc radian corresponding to each side serving as a chord is the same, namely, the central angle corresponding to each side is the same, and similarly, under the cooperation of the pressing grooves 19, the pressing shaft 8 rotates for one side again, the rotating angle is certain, so that through the characteristic, the rotating operation at a specified angle interval can be rapidly performed, and the base plate 8 can be tightly pressed by loosening the pressing bolts and rotating the upper die 17 without using the locking support 7.

The end of the positioning shaft 8 is connected with a circular shaft 9, the side face of the pressing support 5 is provided with a guide frame 6, the guide frame 6 comprises a vertical plate 11, a strip-shaped hole 10 is formed in the end face of the vertical plate 11, and the middle of the circular shaft 9 penetrates through the guide frame 6.

The outer side of the tail end of the round shaft 9 is provided with a locking bracket 7, the locking bracket 7 comprises an upper block 15 and a lower block 16, the upper block 15 and the lower block 16 are provided with locking grooves, the locking grooves are of arc structures which are anastomotic with the circumferential surface of the round shaft 9, the radian of the arc structures is smaller than 180 degrees, the upper block 15 and the lower block 16 are connected through locking bolts, the upper block 15 and the lower block 16 are not contacted when the round shaft 9 is locked by the upper block 15 and the lower block 16, the round shaft 9 can be driven to rotate through rotating the round shaft 9, the round shaft 3 can be rotated in the same way because of the structural characteristics of the round shaft 9 and the locking grooves, the round shaft 9 can be rotated in 360 degrees without using the pressing bracket 5 or when the round shaft 9 is rotated, and the round shaft 9 can be locked through loosening the locking bolts, so that the fixation of the round shaft 9 can be locked.

The compressing bracket 5, the guide bracket 6 and the locking bracket 7 are connected with the bottom plate through bolts, and the number of the edges of the cross section of the positioning shaft 8 is not less than eight.

Four scale marks 20 distributed at equal included angles are arranged on the circumferential surface of the end part of the circular shaft 9, and a scale ring scale is arranged on the end surface of the locking bracket 7 which is close to the scale marks 20.

The working principle of the utility model is as follows: when the workpiece is clamped on the substrate 3 through the clamp 4, the lower end of the workpiece can pass through the round hole 14 or is exposed in the range of the round hole 14, the substrate 3 can be controlled to turn over a certain angle and be locked again under different conditions through operating the pressing bracket 5 or the locking bracket 7, the workpiece is not required to be disassembled, and even if the workpiece is turned over by 180 degrees, the original upper end and the lower end are inverted, the workpiece passing through the round hole 14 can be directly machined or the workpiece can be machined through the round hole 14.

According to the utility model, a simple mechanism design is adopted, the substrate 3 for clamping the workpiece is rotatably arranged on the locking bracket 7 through the circular shaft 9, the angle of the substrate 3 can be randomly adjusted through the unobstructed rotation of the substrate 3 and the circular shaft 9, so that the angle of the workpiece clamped by the clamp 4 and the clamp 4 arranged on the substrate can be randomly adjusted, meanwhile, a through hole formed in the middle of the substrate 3 can pass through the workpiece, the bottom of the workpiece can be processed from the upper end through the round hole 14 after the substrate 3 is overturned, the workpiece can be overturned by 360 degrees, the workpiece can be switched on line to be processed at any angle without dismounting and clamping again, the workpiece clamping operation time is greatly saved, the processing efficiency is improved, the positioning shaft 8 with the isosceles polygonal cross section is arranged at the edge of the substrate 3, and the clamping bracket 5 with the identical-shaped pressing groove 19 is matched, so that the function of rapidly overturning at a fixed angle interval can be realized.

Claims

1. The utility model provides a machining center work piece turning device which characterized in that: including base (1), the both sides edge of base (1) is provided with four U-shaped grooves (2) respectively, base (1) top is provided with base plate (3), the both ends of base plate (3) all are connected with locating shaft (8), the cross section of locating shaft (8) is equilateral polygon, the outside of locating shaft (8) is provided with compresses tightly support (5), the end connection of locating shaft (8) has circle axle (9), the side of compressing tightly support (5) is provided with leading truck (6), leading truck (6) include riser (11), strip hole (10) have been seted up on the terminal surface of riser (11), leading truck (6) are passed in the middle part of circle axle (9), the end outside of circle axle (9) is provided with locking support (7), triangle (12) that three equiangular distributions were all connected with the bottom plate through the bolt, the centre of circumference (3) are offered to triangle (12) that three equiangular distributions were located on base plate (3), the centre of circumference (3) are offered through bolt (13) are offered to anchor clamps on the terminal surface of riser (3).

2. The machining center work piece turning device according to claim 1, wherein: the pressing support (5) comprises an upper die (17) and a lower die (18), pressing grooves (19) are formed in the upper die (17) and the lower die (18), the shape of each pressing groove (19) is identical with the cross section of the corresponding positioning shaft (8), and the upper die (17) and the lower die (18) are connected through pressing bolts.

3. A machining center work piece turning device according to claim 2, wherein: the upper die (17) and the lower die (18) are not contacted when the upper die (17) and the lower die (18) press the positioning shaft (8).

4. The machining center work piece turning device according to claim 1, wherein: the locking support (7) comprises an upper block (15) and a lower block (16), wherein the upper block (15) and the lower block (16) are respectively provided with a locking groove, the locking grooves are of an arc structure which is anastomotic with the circumferential surface of the circular shaft (9), the radian of the arc structure is smaller than 180 degrees, and the upper block (15) and the lower block (16) are connected through locking bolts.

5. The machining center work piece turning device according to claim 4, wherein: the upper block (15) and the lower block (16) are not contacted when the upper block (15) and the lower block (16) lock the circular shaft (9).

6. The machining center work piece turning device according to claim 1, wherein: the clamp (4) comprises a three-jaw chuck and a pressing plate.

7. The machining center work piece turning device according to claim 1, wherein: the number of the cross section sides of the positioning shaft (8) is not less than eight.

8. The machining center work piece turning device according to claim 1, wherein: the bottom plate is fixedly connected with the machining center workbench through bolts.

9. The machining center work piece turning device according to claim 1, wherein: four scale marks (20) distributed at equal included angles are arranged on the circumferential surface of the end part of the circular shaft (9).

10. The machining center work piece turning device according to claim 9, wherein: the end face of the locking bracket (7) which is close to the scale mark (20) is provided with a scale ring scale.