CN218109382U

CN218109382U - Device for machining circular truncated cone workpiece

Info

Publication number: CN218109382U
Application number: CN202222311484.4U
Authority: CN
Inventors: 贺韬; 王华强; 李朝恩
Original assignee: Chongqing Tiantai Guanfu New Materials Co ltd
Current assignee: Chongqing Tiantai Guanfu New Materials Co ltd
Priority date: 2022-08-31
Filing date: 2022-08-31
Publication date: 2022-12-23
Anticipated expiration: 2032-08-31

Abstract

The utility model provides a device for processing a circular truncated cone workpiece, which relates to the technical field of lathes and comprises a main spindle box, a base plate, a tool apron, a base and a guide block, wherein a chuck is arranged on the main spindle box and can clamp the workpiece to perform rotary motion; the base is connected with a driving module used for driving the base to slide along the axial direction of the chuck; two ends of the guide block are arranged on the base plate, and the length direction of the guide block is parallel to a bus of the workpiece; the tool apron is along the radial sliding connection of chuck is in on the base, tool bit and connecting piece have set firmly on the tool apron, the tool bit is located the work piece and deviates from one side of guide block, the free end of connecting piece can along the guide block slides. The problem that the clamp of a traditional machine tool cannot be used universally in the prior art and the adaptability is poor is solved.

Description

Device for machining circular truncated cone workpiece

Technical Field

The utility model belongs to the technical field of the lathe technique and specifically relates to a device for processing round platform work piece is related to.

Background

A lathe is a machine tool for turning a rotating workpiece mainly with a turning tool. When a traditional lathe is used for machining a circular truncated cone-shaped shaft workpiece, the turning tool needs to be manually adjusted repeatedly to feed so as to machine the outer wall of the workpiece into a conical surface, and the mode depends on the experience level of workers; in the prior art, although a full-automatic numerical control lathe exists, the cost is often higher, and the popularization of small and medium-sized enterprises is not facilitated; based on this, the prior patent improves the related lathe turning device, but the workpiece needs to be obliquely arranged on the chuck during working, the workpiece is not coaxial with the chuck, so that a special clamp needs to be arranged to clamp the workpiece, and the prior patent cannot be well adapted to the prior lathe.

SUMMERY OF THE UTILITY MODEL

Not enough to exist among the prior art, the utility model provides a device for processing round platform work piece, it has solved the anchor clamps that can not general traditional lathe among the prior art, leads to the relatively poor problem of adaptability.

According to an embodiment of the utility model, the device for processing the circular truncated cone workpiece comprises a main spindle box, a base plate, a tool apron, a base and a guide block, wherein,

a chuck is arranged on the spindle box and can clamp a workpiece to perform rotary motion;

the base is connected with a driving module used for driving the base to slide along the axial direction of the chuck;

two ends of the guide block are arranged on the base plate, and the length direction of the guide block is parallel to a bus of the workpiece;

the tool apron is along the radial sliding connection of chuck is in on the base, tool bit and connecting piece have set firmly on the tool apron, the tool bit is located the work piece and deviates from one side of guide block, the free end of connecting piece can along the guide block slides.

Compared with the prior art, the utility model discloses following beneficial effect has: firstly, a workpiece is coaxially clamped on a chuck, the spindle box drives the workpiece to rotate, a driving module drives a base to move towards the spindle box so as to drive a tool apron to move together, in the process, a connecting piece slides along a guide block so as to push the tool apron to slide along the radial direction of the workpiece, and then the connecting piece gradually deviates from the workpiece, so that the outer wall of the workpiece is processed into a circular truncated cone shape; therefore, the device only needs to clamp a workpiece on the traditional chuck, does not need to specially arrange the chuck, is coaxial with the chuck during workpiece processing, is stable in workpiece rotation, and can be well adapted to the existing machine tool.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a partially enlarged view of fig. 1 at a.

In the above drawings: 1. a main spindle box; 2. a substrate; 3. a tool apron; 4. a guide block; 5. a cutter head; 6. a first chute; 7. a locking assembly; 8. a second chute; 9. a slider; 10. a platen; 11. a joystick; 12. a workpiece; 13. a blanking port; 14. a chuck; 15. a tailstock; 16. a thimble; 17. a base; 18. a connecting member.

Detailed Description

The technical solution of the present invention will be further explained with reference to the accompanying drawings and embodiments.

The utility model provides an embodiment, as shown in figures 1 and 2, comprises a main spindle box 1, a base plate 2, a tool apron 3, a base 17 and a guide block 4, wherein,

the spindle box 1 is provided with a chuck 14, the chuck 14 can clamp a workpiece 12 to perform rotary motion, the specific structures of the spindle box 1 and the chuck 14 are the prior art, for example, the spindle box 1 disclosed in the patent with the publication number of CN203853552U is adopted, or the spindle box is directly purchased from the market according to specific requirements;

the base 17 is connected with a driving module (not shown in the figure) for driving the base 17 to slide along the axial direction of the chuck 14, the driving module may be manual or traditional linear driving mechanism (such as an oil cylinder, an air cylinder, a lead screw or an electric push rod), and the output end of the linear driving mechanism is fixedly connected with the base 17 to push the base 17 to slide;

two T-shaped support lugs are fixedly arranged on the base plate 2 through bolts, two ends of the guide block 4 are arranged on the support lugs of the base plate 2, and the length direction of the guide block 4 is parallel to a bus of the workpiece 12;

be equipped with on the base 17 along the radial slide rail that extends of chuck 14, blade holder 3 can slide along this slide rail, has set firmly tool bit 5 and connecting piece 18 on the blade holder 3, wherein, is equipped with the opening of the notch of flat bottom "U" shape and this notch on the blade holder 3 towards chuck 14, and tool bit 5 is installed in this notch through vertical bolt, and tool bit 5 is located one side that work piece 12 deviates from guide block 4, and the free end of connecting piece 18 can slide along guide block 4.

By adopting the scheme, firstly, the workpiece 12 is coaxially clamped on the chuck 14, the spindle box 1 drives the workpiece 12 to rotate, the driving module drives the base 17 to move towards the spindle box 1 so as to drive the tool apron 3 to move together, in the process, the connecting piece 18 slides along the guide block 4 so as to push the tool apron 3 to slide along the radial direction of the workpiece 12, and further gradually deviates from the workpiece 12, so that the outer wall of the workpiece 12 is processed into a circular truncated cone shape; it can be seen that the device only needs to clamp the workpiece 12 on the traditional chuck 14, the chuck 14 does not need to be specially arranged, the workpiece 12 is coaxial with the chuck 14 during machining, the workpiece 12 is stable in rotation, the rotating speed can be set to be high, and the device can be well adapted to the existing machine tool.

In another embodiment provided by the present invention, the main difference between the above embodiments is that the guide block 4 is set to be adjustable in angle, as shown in fig. 1 and fig. 2, an arc-shaped first chute 6 is fixedly arranged on a support lug of the substrate 2 away from the spindle box 1, a scale mark for marking an angle is arranged on the first chute 6, one end of the guide block 4 is rotatably connected to the substrate 2, and the other end of the guide block 4 can slide along the first chute 6 and is locked by the locking component 7; the guide block 4 can be rotated by loosening the locking assembly 7, and a worker can rapidly adjust the guide block 4 to a required angle according to the scale marks.

Further, the locking assembly 7 comprises a bolt and a nut, wherein one end of the bolt sequentially penetrates through the guide block 4 and the base plate 2 vertically and downwards, the nut is connected to the bottom end of the bolt in a threaded manner, the nut and the bolt are matched to lock the position of the guide block 4, the locking assembly 7 is provided with two groups of bolts which are respectively located at two ends of the guide block 4, and one of the bolts can slide along the first sliding groove 6; the first arrangement enables the guide block 4 to be locked and fastened stably, the second arrangement enables the guide block 4 to be adjusted in a plurality of angle adjusting stages, and the locking assembly 7 can be conveniently locked at any position of the first sliding groove 6.

In another embodiment of the present invention, the main difference from the above embodiments is that a connection manner of one of the connection members 18 and the guide block 4 is provided, specifically, as shown in fig. 1 and fig. 2, the connection member 18 is provided with a second chute 8 extending along the radial direction of the chuck 14, the guide block 4 is provided with a slider 9 capable of sliding along the length direction thereof, the slider 9 is fixedly provided with a screw rod and the screw rod can slide along the second chute 8, the screw rod is sleeved and connected with a pressure plate 10 in a threaded manner, and the diameter of the pressure plate 10 is greater than the width of the second chute 8; when the angle of the guide block 4 is adjusted, the screw rod slides to a proper position along the second sliding groove 8, the pressing plate 10 is screwed in to enable the bottom end of the pressing plate to be attached to the top end face of the connecting piece 18, and therefore the relative position of the connecting piece 18 and the sliding block 9 can be fixed.

Furthermore, in order to rotate the pressure plate 10 conveniently, an operating lever 11 is fixedly arranged on the pressure plate 10, and a ball head is fixedly arranged at the free end of the operating lever 11 so as to be convenient to hold by hands.

In another embodiment of the present invention, as shown in fig. 1 and 2, the apparatus is used for processing a thin shell-shaped workpiece 12, and the three jaws of the chuck 14 extend into the inner cavity of the workpiece 12 and then prop outward to fix the workpiece 12.

Furthermore, a tail seat 15 is disposed at an end of the workpiece 12 away from the chuck 14, a thimble 16 capable of extending into the workpiece 12 along an axis of the chuck 14 is disposed on the tail seat 15, and certainly, the thimble 16 can also retract toward the tail seat 15, the working principle of the tail seat 15 and the thimble 16 is the prior art, for example, the tail seat 15 and the thimble 16 proposed in the patent with the publication number CN209754021U, the thimble 16 of the present device is mainly different from the prior art in that the thimble 16 of the present device has elasticity, for example, can be made of a rubber rod, so that the thimble 16 can be flexibly deformed, inserted into the workpiece 12 and supported, and further, after the machining is completed, the chuck 14 is released, and the thimble 16 can drive the workpiece 12 to exit; in addition, the tail seat 15 is further provided with a stopper, the stopper can be abutted against one end surface of the workpiece 12 to peel the workpiece 12 from the thimble 16, the stopper can be directly fixed on the end surface of the tail seat 15, or the end surface of the tail seat 15 can be directly used as the stopper in the embodiment; the thimble 16 drives the workpiece 12 to move towards the tailstock 15, and when one end of the workpiece 12 departing from the spindle box 1 is in contact with the end face of the tailstock 15, the workpiece 12 is separated from the thimble 16, and automatically falls off for blanking; in addition, the tailstock 15 can be replaced by a conventional linear driving assembly such as an oil cylinder, an air cylinder and an electric push rod, and the output end of the tailstock is fixedly connected with the thimble 16, so that the telescopic function of the thimble 16 can be realized.

Further, be equipped with vertical feed opening 13 that link up on base plate 2, the length of feed opening 13 is greater than the length of work piece 12, and work piece 12 passes feed opening 13 downwards and more is favorable to collecting, sets up the landing leg in base plate 2's bottom in the practice and supports and keep away from ground, can accomodate the work piece 12 after the processing is accomplished in feed opening 13 below.

The working process of the utility model is as follows;

as shown in fig. 1 and fig. 2, a workpiece 12 is clamped by a chuck 14, a tailstock 15 drives a free end of an ejector pin 16 to penetrate into the workpiece 12 to prop the workpiece 12, a headstock 1 drives the chuck 14 and the workpiece 12 to rotate together, a driving module pushes a base 17 and a tool apron 3 to move towards the headstock 1, in the process, a slide block 9 slides along a guide block 4 to drive the tool apron 3 to move away from the workpiece 12 along the radial direction of the workpiece 12, and a tool bit 5 retracts along the axial feeding direction of the workpiece 12 along the radial direction of the workpiece 12 until the outer wall of the workpiece 12 is machined; when the outer wall of the workpiece 12 needs to be machined into different circular tables, the locking assembly 7 is loosened, then the guide block 4 is rotated to be adjusted to a required angle according to needs, the nut on the guide block 4 is screwed to complete locking of the guide block 4, and in the whole adjusting process, the screw rod also slides along the second sliding groove 8 and is finally locked by the pressure plate 10; after the machining is completed, the chuck 14 is loosened, the ejector pin 16 is inserted into the workpiece 12, and the ejector pin 16 has elasticity, so that the ejector pin 16 moves away from the headstock 1 and drives the workpiece 12 to retreat together, when the end surface of the workpiece 12 contacts with the end surface of the tail seat 15, the tail seat 15 peels the workpiece 12 off the ejector pin 16, and the workpiece 12 falls downward and passes through the drop port 13 to be collected.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims

1. A device for processing a circular truncated cone workpiece is characterized by comprising a main spindle box (1), a base plate (2), a tool apron (3), a base (17) and a guide block (4), wherein,

a chuck (14) is arranged on the spindle box (1), and the chuck (14) can clamp a workpiece (12) to perform rotary motion;

the base (17) is connected with a driving module for driving the base to slide along the axial direction of the chuck (14);

two ends of the guide block (4) are arranged on the base plate (2), and the length direction of the guide block (4) is parallel to a bus of the workpiece (12);

the blade holder (3) is followed the radial sliding connection of chuck (14) is in on base (17), set firmly tool bit (5) and connecting piece (18) on blade holder (3), tool bit (5) are located work piece (12) and deviate from one side of guide block (4), the free end of connecting piece (18) can along guide block (4) slide.

2. The apparatus for machining a circular truncated cone workpiece according to claim 1, wherein the base plate (2) is provided with a first curved chute (6), the first chute (6) is provided with angle-marking graduation marks, one end of the guide block (4) is rotatably connected to the base plate (2), and the other end of the guide block (4) can slide along the first chute (6) and is locked by the locking assembly (7).

3. An apparatus for machining round table workpieces according to claim 2, characterized in that the locking assemblies (7) comprise bolts and nuts, wherein one end of the bolt passes vertically downward through the guide block (4) and the base plate (2) in turn, the nuts are screwed onto the bottom ends of the bolts, and the locking assemblies (7) are provided in two sets and located at both ends of the guide block (4), respectively.

4. A device for machining round table workpieces according to claim 2 or 3, characterized in that the connecting member (18) is provided with a second sliding groove (8) extending in the radial direction of the chuck (14), the guide block (4) is provided with a slide block (9) capable of sliding along the length direction thereof, the slide block (9) is fixedly provided with a screw rod capable of sliding along the second sliding groove (8), the screw rod is sleeved and connected with a pressure plate (10) in a threaded manner, and the diameter of the pressure plate (10) is larger than the width of the second sliding groove (8).

5. An apparatus for machining a circular truncated cone workpiece according to claim 4, characterized in that the operating lever (11) is fixed to the pressure plate (10).

6. A device for machining round table workpieces according to any of claims 1 to 3, characterized in that the device is used for machining thin-shell workpieces (12).

7. A device for machining a workpiece provided with a circular truncated cone as claimed in claim 6, characterized in that the end of the workpiece (12) facing away from the chuck (14) is provided with a tail base (15), the tail base (15) is provided with an ejector pin (16) which can extend along the axis of the chuck (14) into the workpiece (12), the ejector pin (16) is provided with elasticity, the tail base (15) is further provided with a stopper, and the stopper can abut against an end face of the workpiece (12) to peel the workpiece (12) from the ejector pin (16).

8. An apparatus as claimed in claim 7, characterized in that the base plate (2) is provided with a vertically through-going blanking opening (13), the length of the blanking opening (13) being greater than the length of the workpiece (12).