CN116160284A - Clamping and jacking device under rotating state - Google Patents

Abstract

The invention discloses a clamping and jacking device in a rotating state, which comprises a headstock shaft, a bearing seat and a bearing cover, wherein the bearing seat and the bearing cover are fixedly connected and enclosed to form a shaft hole for the headstock shaft to pass through; the headstock shaft is internally provided with a guide hole coaxial with the headstock shaft, the guide hole is movably connected with a back punch sleeve and a chuck, the chuck is provided with a clamping part and an abutting part, the chuck is internally provided with a clamping hole coaxial with the chuck, and the abutting part of the chuck is positioned in the guide hole and abuts against one end of the back punch sleeve; an ejection assembly is arranged at one end of the headstock shaft, which is far away from the feeding end, and drives the back punch sleeve and the chuck which is in butt joint with the back punch sleeve to eject towards the feeding end of the headstock shaft, and the clamping part of the chuck is in butt joint with the inner side wall of the feeding hole so that the clamping part is contracted inwards to clamp a part in the clamping hole; the back flushing rod sleeve is movably connected with a back flushing rod, the back flushing rod is used for ejecting a part clamped by the clamping part of the clamping head, and one end of the back flushing rod, which is positioned at the feeding end, is arranged in the clamping port. According to the clamping and jacking device in the rotating state, the parts to be processed can be clamped and fixed effectively, meanwhile, feeding and discharging operations can be completed in the rotating state, and the production efficiency is improved effectively.

Description

Clamping and jacking device under rotating state

Technical Field

The invention relates to the technical field of machining, in particular to a clamping and jacking device in a rotating state.

Background

Along with the development of social industry, the mechanization and automation degree of various devices in machining are continuously improved, but when the machining devices carry out turning on required parts, the required part raw materials are required to be placed on a stationary machine tool clamping device, the clamping device is started to clamp the raw materials to be machined, then the clamping device is driven to rotate to machine the parts, the device is stopped after one part is machined, the machined part is taken down to reprocess the next part to be machined, and feeding and discharging can not be automatically completed under the rotating working state of the machine tool, so that the machine tool equipment is required to be closed to enable the clamping device to be in the stationary state to carry out feeding and discharging operation during feeding and discharging, the machining efficiency of the machine tool is greatly limited, and a great amount of energy is consumed by continuous starting and stopping of the machine tool.

Disclosure of Invention

The invention aims to solve the defects in the prior art, and provides the clamping and ejecting device in a rotating state, which can finish feeding and discharging operations in the rotating state and effectively improve the production efficiency while effectively clamping and fixing parts to be processed.

In order to achieve the above purpose, the clamping and ejecting device in a rotating state comprises a headstock shaft, a bearing seat and a bearing cover, wherein the bearing seat and the bearing cover are fixedly connected and are enclosed to form a shaft hole for the headstock shaft to pass through, the headstock shaft is rotatably arranged in the shaft hole, one end of the headstock shaft is a feeding end, the feeding end of the headstock shaft is in threaded connection with a chuck sleeve, and one end, far away from the threaded connection with the headstock shaft, of the chuck sleeve is provided with a feeding hole; the lathe head shaft is internally provided with a guide hole coaxial with the lathe head shaft, the guide hole is movably connected with a back punch sleeve and a chuck, the chuck is provided with a clamping part and an abutting part, the chuck is internally provided with a clamping port coaxial with the chuck, and the abutting part of the chuck is positioned in the guide hole and abuts against one end of the back punch sleeve; an ejection assembly is arranged at one end of the headstock shaft, which is far away from the feeding end, and drives the back punch rod sleeve and the clamping head which is in butt joint with the back punch rod sleeve to eject towards the feeding end of the headstock shaft, and the clamping part of the clamping head is in butt joint with the inner side wall of the feeding hole so that the clamping part is contracted inwards to clamp a part which enters the clamping hole; the back flushing rod sleeve is internally and movably connected with a back flushing rod, the back flushing rod is used for ejecting a part clamped by the clamping part of the clamping head, and one end of the back flushing rod, which is positioned at the feeding end, is arranged in the clamping port.

Further, one end of the clamping part, which is abutted against the inner side wall of the feeding hole, is outwards extended to form a conical head, and the inner side surface of the feeding hole is matched with the outer side surface of the conical head.

In order to realize the good ejecting effect of back flushing rod cover, ejecting subassembly includes slider seat, slider, guide slide cylinder and impeller, the one end fixed connection that the feed end was kept away from to slider seat and locomotive axle, slider one end locate in the guiding hole with the back flushing rod cover butt, the other end with slider seat butt, guide slide cylinder and locomotive axle lateral surface sliding connection, impeller passes through pivot and slider seat rotation to be connected, and the impeller has a driving arm and driven arm, when guide slide cylinder slides to the one side of keeping away from the feed end, guide slide cylinder makes the driven arm ejecting and the back flushing rod cover butt of impeller to feed end one side with the driving arm butt of impeller.

In order to improve the stability of the headstock shaft during rotation, the bearing seat and the bearing cover are fixedly connected and enclose to form a shaft hole for the headstock shaft to pass through, and the two ends of the headstock shaft are respectively provided with a flange plate, the flange plates are fixedly connected with the bearing seat and the bearing cover through bolts, a bearing is arranged in the shaft hole, and the headstock shaft is rotationally connected with the inner side wall of the shaft hole formed by enclosing the bearing seat and the bearing cover through the bearing.

In order to enable the pushing piece to effectively push out the sliding block, a sliding block seat outer sleeve is sleeved on the sliding block seat, and when the pushing piece rotates to drive the driven arm to push out to one side of the feeding end through abutting connection of the sliding guide cylinder and the driving arm, one end, abutting connection of the driving arm, far away from the sliding guide cylinder is abutted to the inner side surface of the sliding block seat outer sleeve.

For easy to assemble and maintain, the one end threaded connection that the feed end was kept away from to the locomotive axle has the plug screw, the back flush pole is to the ejecting chuck clamping part of feed end when pressing from both sides tight part, the tip and the plug screw terminal surface butt that the back flush pole kept away from the feed end.

The clamping and jacking device in the rotating state provided by the invention can be used for effectively clamping and fixing the part to be processed, simultaneously completing the feeding and discharging operation in the rotating state, and effectively improving the production efficiency.

Drawings

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

FIG. 2 is a schematic view of the chuck in a clamped state according to the present invention;

FIG. 3 is a cross-sectional view taken at A-A of FIG. 2;

FIG. 4 is an enlarged view at B in FIG. 1;

FIG. 5 is an enlarged view at C in FIG. 2;

FIG. 6 is a schematic view of the connection structure of the headstock shaft and the slider in the present invention;

FIG. 7 is a schematic view of the mating structure of the collet and collet sleeve of the present invention;

FIG. 8 is a schematic view of a slider seat according to the present invention;

FIG. 9 is a schematic view of the connection structure of the bearing housing and the bearing cap in the present invention;

fig. 10 is a schematic view of the structure of the recoil lever of the present invention.

Wherein: the head shaft 1, the feed end 11, the guide hole 12, the screw plug 13, the swing rod 14, the ejection arm 15, the transmission part 16, the bearing seat 2, the flange plate 21, the bearing cover 3, the shaft hole 4, the bearing 41, the head sleeve 5, the feed hole 51, the back punch sleeve 6, the chuck 7, the clamping part 71, the abutting part 72, the clamping opening 73, the cone head 74, the ejection assembly 8, the slide block 81, the slide block 82, the slide guide 83, the pusher 84, the driving arm 841, the driven arm 842, the shaft pin 843, the slide block seat outer sleeve 85 and the back punch 9.

Detailed Description

The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.

Example 1:

as shown in fig. 1-9, the clamping and ejecting device in a rotating state provided by the embodiment comprises a headstock shaft 1, a bearing seat 2 and a bearing cover 3, wherein the bearing seat 2 and the bearing cover 3 are fixedly connected and enclose to form a shaft hole 4 for the headstock shaft 1 to pass through, the headstock shaft 1 is rotatably arranged in the shaft hole 4, one end of the headstock shaft 1 is a feeding end 11, the feeding end 11 of the headstock shaft 1 is in threaded connection with a chuck sleeve 5, and one end, far away from the threaded connection with the headstock shaft 1, of the chuck sleeve 5 is provided with a feeding hole 51; the headstock shaft 1 is internally provided with a guide hole 12 coaxial with the headstock shaft 1, the guide hole 12 is internally and movably connected with a return punch sleeve 6 and a chuck 7, the chuck 7 is provided with a clamping part 71 and an abutting part 72, the chuck 7 is internally provided with a clamping opening 73 coaxial with the chuck 7, and the abutting part 72 of the chuck 7 is positioned in the guide hole 12 and abuts against one end of the return punch sleeve 6; an ejection assembly 8 is arranged at one end of the headstock shaft 1, which is far away from the feeding end 11, and the ejection assembly 8 drives the back punch sleeve 6 and the clamping head 7 which is in butt joint with the back punch sleeve 6 to eject towards the feeding end 11 of the headstock shaft 1, and the clamping part 71 of the clamping head 7 is in butt joint with the inner side wall of the feeding hole 51 so that the clamping part 71 is contracted inwards to clamp a part in the clamping hole 73; the back punch rod sleeve 6 is internally and movably connected with a back punch rod 9, the back punch rod 9 is used for ejecting a part clamped by the clamping part 71 of the clamping head 7, and one end of the back punch rod 9, which is positioned at the feeding end 11, is arranged in the clamping port 73.

During operation, as shown in fig. 1 and fig. 4, in this embodiment, two bearing seats 2 and two bearing covers 3 are respectively provided, and two bearing seats 2 and two bearing covers 3 are all enclosed to form a shaft hole 4, and the use of the two shaft holes 4 makes the rotation of the headstock shaft 1 more stable, further, a transmission part 16 is formed by extending the part of the headstock shaft 1 between the two bearing seats 2 in a radial direction, and the transmission part 16 is used for being connected with an external motor through belt transmission so as to drive the headstock shaft 1 to enter a rotating state; after the headstock shaft 1 enters a rotating state, after a part to be processed is sent into the clamping hole 73 from the feeding hole 51, as shown in fig. 2, the ejection assembly 8 is used for ejecting the back-flushing rod sleeve 6 to the side of the feeding end 11, the structure of the ejection assembly 8 will be described in detail later, after the back-flushing rod sleeve 6 is ejected to the feeding end 11, the back-flushing rod sleeve is ejected to the side of the feeding end 11 and then is abutted with the abutting part 72 of the clamping head 7, so as to drive the clamping head 7 to eject to the side of the feeding end 11, as shown in fig. 5, the clamping part 71 of the clamping head 7 is abutted with the inner side wall of the feeding hole 51, so that the clamping part 71 of the clamping head 7 is contracted inwards to clamp the part to be processed in the clamping hole 73, specifically, as shown in fig. 7, one end of the clamping part 71 abutted with the inner side wall of the feeding hole 51 is outwards extended to form a conical head 74, the inner side surface of the feed hole 51 is adapted to the outer side surface of the conical head 74, when the chuck 7 is ejected toward the feed end 11, the conical head 74 slides along the inner side surface of the feed hole 51 and contracts inwards, so that the clamping part 71 can better clamp a part to be processed in the clamping hole 73, the clamping effect of the clamping part 71 of the chuck 7 on the part to be processed is effectively improved, it can be appreciated that the conical head 74 formed by outwards extending the clamping part 71 can be conical or spherical or other entity with inclined surfaces, and the conical head 74 is not particularly limited herein, so that the feeding clamping action of the part is completed when the head shaft 1 is in a rotating state through the ejection of the chuck 7 and the use of the chuck sleeve 5, as described in conjunction with fig. 4 and 5; after the chuck 7 cooperates with the chuck sleeve 5 to clamp the part to be machined to finish machining, as shown in fig. 1 and 10, an ejector arm 15 may be disposed at one end of the headstock shaft 1 away from the feeding end 11, and is used for ejecting the machined part from the chuck 7 by pushing the ejector rod 9 to slide in the ejector rod sleeve 6, so as to finish the blanking action of the headstock shaft 1 in a rotating state, and reset the ejector rod 9 after the blanking action is finished by ejection, when the part to be machined is fed into the clamping opening 73, the ejector arm 15 may be driven by a motor or a cylinder and other driving devices capable of driving the ejector arm 15 to rotate so as to eject the ejector rod 9, which belongs to conventional technologies well known to those skilled in the art and are not repeated herein.

Example 2:

in order to achieve a good ejection effect of the plunger rod sleeve 6, on the basis of embodiment 1, this embodiment provides an ejection assembly 8 with a specific structure and a related external connection structure, as shown in fig. 1-3, the ejection assembly 8 includes a slide block seat 81, a slide block 82, a slide guide 83 and a push rod 84, wherein the slide block seat 81 is fixedly connected with one end of the plunger rod shaft 1, which is far away from the feed end 11, one end of the slide block 82 is disposed in the guide hole 12 and is abutted against the plunger rod sleeve 6, the other end is abutted against the slide block seat 81, the slide guide 83 is slidably connected with the outer side surface of the plunger rod shaft 1, the push rod 84 is rotatably connected with the slide block seat 81 through a shaft pin 843, the push rod 84 has a driving arm 841 and a driven arm 842, and when the slide guide 83 slides to a side far away from the feed end 11, the slide guide 83 is abutted against the driving arm 841 of the push rod 84, so that the push rod 84 is ejected from the movable arm 842 to the side of the feed end 11 and abutted against the plunger rod sleeve 6.

In this embodiment, in operation, the sliding guide 83 may be further provided with a swinging rod 14, so as to drive the sliding guide 83 to move along the axial direction of the spindle 1 on the spindle 1, after the spindle 1 enters a rotating state, the swinging rod 14 drives the sliding guide 83 to move in a direction opposite to the feeding end 11 and to abut against the driving arm 841 of the pushing element 84, one end of the sliding guide 83 facing the sliding seat 81 is preferably tapered, so that the driving arm 841 can be ejected outwards when the sliding guide 83 abuts against the driving arm 841 of the pushing element 84, as shown in fig. 2 and 6, the pushing element 84 rotates around the axle pin 843 to drive the driven arm 842 to eject against the feeding end 11 and the sliding block 82, so that the sliding block 82 drives the back-flushing rod sleeve 6 to eject against the feeding end 11, and the ejection assembly 8 ejects the back-flushing rod sleeve 6.

Example 3:

according to the clamping and jacking device in the rotating state, on the basis of the implementation of the clamping and jacking device 1 and the implementation of the clamping and jacking device 2, in order to improve the stability of the headstock shaft 1 in rotation, as shown in fig. 1 and 9, the bearing seat 2 and the bearing cover 3 are fixedly connected and enclosed to form a shaft hole 4 for the headstock shaft 1 to pass through, the two ends of the headstock shaft 1 are respectively provided with a flange plate 21, the flange plates 21 are fixedly connected with the bearing seat 2 and the bearing cover 3 through bolts, a bearing 41 is arranged in the shaft hole 4, and the headstock shaft 1 is rotatably connected with the inner side wall of the shaft hole 4 formed by enclosing the bearing seat 2 and the bearing cover 3 through the bearing 41. The flange plate 21 is used, so that the connection between the bearing seat 2 and the bearing cover 3 is more stable, and a good supporting effect can be achieved on the headstock shaft 1 when the headstock shaft rotates, and the practicability of the device is effectively improved.

As shown in fig. 1, in order to facilitate the clamping head 7 to clamp or release the workpiece in the rotating state of the headstock shaft 1, that is, to enable the pusher 84 to effectively eject or retract the slider 82, a slider seat outer sleeve 85 is sleeved on the slider seat 81, and when the driving arm 841 abuts against the slider guide 83 to rotate the pusher 84 to drive the driven arm 842 to eject to the feeding end 11 side, one end of the driving arm 841 abutting against the slider guide 83 is abutted against the inner side surface of the slider seat outer sleeve 85. The use of the slide block seat outer sleeve 85 can effectively limit the rotation amplitude of the push element 84 when the slide guide cylinder 83 moves to be abutted against the driving arm 841 to enable the push element 84 to rotate around the shaft pin 843, ensure that the push element 84 does not fall off or loose when rotating to drive the driven arm 842 to return to the punch rod sleeve 6 to be abutted against, and further improve the clamping effect of the clamping part 71 of the clamping head 7 on parts.

As shown in fig. 1, for convenience in installation and maintenance, a screw plug 13 is screwed on one end of the headstock shaft 1 away from the feeding end 11, and when the part is clamped by the clamping part 71 of the ejection chuck 7 of the feeding end 11 by the back flushing rod 9, the end of the back flushing rod 9 away from the feeding end 11 abuts against the end face of the screw plug 13. It can be understood that the screw plug 13 is provided with a hole for the back punch 9 to pass through, so that the mounting and the maintenance of operators are facilitated while the ejection and the discharging of the back punch 9 to the feeding end 11 are not influenced, and when the back punch 9 finishes the discharging action, the end part of the back punch 9 far away from the feeding end 11 is abutted with the end face of the screw plug 13, so that the impact of the end part of the back punch 9 to the headstock shaft 1 is reduced, and the service life of the headstock shaft 1 is prolonged.

The clamping and jacking device in the rotating state provided by the embodiment can be used for effectively clamping and fixing a part to be processed, and simultaneously can be used for completing feeding and discharging operations in the rotating state, so that the production efficiency is effectively improved.

In the description of the present invention, it should be noted that the azimuth or positional relationship indicated by the terms "vertical", "upper", "lower", "horizontal", etc. are based on the azimuth or positional relationship shown in the drawings, and are merely for convenience of describing the present invention and simplifying the description, and do not indicate or imply that the apparatus or element referred to must have a specific azimuth, be constructed and operated in a specific azimuth, and thus should not be construed as limiting the present invention.

Finally, it should be noted that: the foregoing description is only a preferred embodiment of the present invention, and the present invention is not limited thereto, but it is to be understood that modifications and equivalents of some of the technical features described in the foregoing embodiments may be made by those skilled in the art, although the present invention has been described in detail with reference to the foregoing embodiments. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims (6)

1. The utility model provides a press from both sides material liftout device under rotation state, includes headstock shaft (1), bearing frame (2) and bearing cap (3), characterized by bearing frame (2) and bearing cap (3) fixed connection enclose and close and are formed with shaft hole (4) that supplies headstock shaft (1) to pass, headstock shaft (1) rotatable locate in shaft hole (4), and headstock shaft (1) one end is feed end (11), headstock shaft (1) feed end (11) threaded connection has chuck sleeve (5), chuck sleeve (5) keep away from one end with headstock shaft (1) threaded connection and offered feed port (51); the novel automatic punching machine is characterized in that a guide hole (12) coaxial with the headstock shaft (1) is formed in the headstock shaft (1), a return punch sleeve (6) and a chuck (7) are movably connected in the guide hole (12), the chuck (7) is provided with a clamping part (71) and an abutting part (72), a clamping opening (73) coaxial with the chuck (7) is formed in the chuck (7), and the abutting part (72) of the chuck (7) is positioned in the guide hole (12) and abuts against one end of the return punch sleeve (6); an ejection assembly (8) is arranged at one end, far away from the feeding end (11), of the headstock shaft (1), and the ejection assembly (8) drives a back punch sleeve (6) and a clamping head (7) abutted with the back punch sleeve (6) to eject towards the feeding end (11) of the headstock shaft (1), and a clamping part (71) of the clamping head (7) is abutted with the inner side wall of the feeding hole (51) to enable the clamping part (71) to shrink inwards to clamp a part in a clamping hole (73); the back flushing rod sleeve (6) is internally and movably connected with a back flushing rod (9), the back flushing rod (9) is used for ejecting a part clamped by the clamping part (71) of the clamping head (7), and one end of the back flushing rod (9) positioned at the feeding end (11) is arranged in the clamping opening (73).

2. The material clamping and ejecting device in a rotating state according to claim 1, wherein a conical head (74) is formed by extending outwards one end of the clamping part (71) abutting against the inner side wall of the feeding hole (51), and the inner side surface of the feeding hole (51) is matched with the outer side surface of the conical head (74).

3. The material jacking device under a rotating state according to claim 1, wherein the ejection assembly (8) comprises a sliding block seat (81), a sliding block (82), a guide sliding cylinder (83) and a pushing rod (84), the sliding block seat (81) is fixedly connected with one end of the headstock shaft (1) far away from the feeding end (11), one end of the sliding block (82) is arranged in the guide hole (12) to be abutted with the back punch sleeve (6), the other end of the sliding block (82) is abutted with the sliding block seat (81), the guide sliding cylinder (83) is in sliding connection with the outer side surface of the headstock shaft (1), the pushing rod (84) is in rotating connection with the sliding block seat (81) through a shaft pin (843), and the guide sliding cylinder (83) is provided with a driving arm (841) and a driven arm (842), and when the guide sliding cylinder (83) slides to one side far away from the feeding end (11), the guide sliding cylinder (83) is abutted with the driving arm (841) to enable the driven arm (84) to be abutted with the back punch sleeve (842) to one side of the feeding end (11).

4. The material jacking device is characterized in that the bearing seat (2) and the bearing cover (3) are fixedly connected and are surrounded to form a shaft hole (4) for the headstock shaft (1) to pass through, two ends of the headstock shaft (1) are provided with flange plates (21), the flange plates (21) are fixedly connected with the bearing seat (2) and the bearing cover (3) through bolts, a bearing (41) is arranged in the shaft hole (4), and the headstock shaft (1) is rotatably connected with the inner side wall of the shaft hole (4) formed by surrounding the bearing seat (2) and the bearing cover (3) through the bearing (41).

5. A material clamping and ejecting device in a rotating state according to claim 3, wherein a sliding seat outer sleeve (85) is sleeved on the sliding seat (81), and when the sliding guide cylinder (83) is abutted with the driving arm (841) so that the pushing element (84) rotates to drive the driven arm (842) to eject towards the feeding end (11), one end, which is far away from the abutting end with the sliding guide cylinder (83), of the driving arm (841) is abutted with the inner side surface of the sliding seat outer sleeve (85).

6. The clamping and ejecting device in a rotating state according to claim 1, wherein one end of the headstock shaft (1) far away from the feeding end (11) is in threaded connection with a screw plug (13), and when the back flushing rod (9) clamps a part to a clamping part (71) of the clamping head (7) ejected from the feeding end (11), the end part of the back flushing rod (9) far away from the feeding end (11) is abutted with the end face of the screw plug (13).

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