CN114536051B - Device for processing five surfaces of hexahedron in one-step positioning manner - Google Patents

Device for processing five surfaces of hexahedron in one-step positioning manner Download PDF

Info

Publication number
CN114536051B
CN114536051B CN202210119322.2A CN202210119322A CN114536051B CN 114536051 B CN114536051 B CN 114536051B CN 202210119322 A CN202210119322 A CN 202210119322A CN 114536051 B CN114536051 B CN 114536051B
Authority
CN
China
Prior art keywords
clamp body
clamping
connecting piece
top cover
clamp
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
CN202210119322.2A
Other languages
Chinese (zh)
Other versions
CN114536051A (en
Inventor
赵武
徐州青
黄丹
范俊锴
原永亮
张会端
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Henan University of Technology
Original Assignee
Henan University of Technology
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Henan University of Technology filed Critical Henan University of Technology
Priority to CN202210119322.2A priority Critical patent/CN114536051B/en
Publication of CN114536051A publication Critical patent/CN114536051A/en
Application granted granted Critical
Publication of CN114536051B publication Critical patent/CN114536051B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Images

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06Work-clamping means
    • B23Q3/062Work-clamping means adapted for holding workpieces having a special form or being made from a special material
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23QDETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q7/00Arrangements for handling work specially combined with or arranged in, or specially adapted for use in connection with, machine tools, e.g. for conveying, loading, positioning, discharging, sorting

Abstract

The invention discloses a device for processing five surfaces of a hexahedron in a one-step positioning manner, which comprises a clamp body, a positioning element and a clamping mechanism, wherein the clamp body is provided with a clamping groove; the clamp body comprises a clamp body connecting piece and a clamp body top cover; the positioning element comprises a horizontal top surface which is arranged on the top cover of the clamp body and is used as a positioning reference surface of a processed workpiece; the clamping mechanism comprises a plurality of clamping bodies which are arranged on the periphery of the horizontal top surface and can clamp or release the processed workpiece, and a pressing assembly which acts on the clamping bodies to enable the plurality of clamping bodies to clamp or release the processed workpiece periodically and alternately; the extrusion assembly is arranged between the clamp body connecting piece and the clamp body top cover and periodically acts along with the relative rotation of the clamp body top cover and the clamp body connecting piece; in each cycle of action, at least three clamping bodies in different directions in the plurality of clamping bodies clamp the workpiece. The device can enable a common machine tool to complete the processing of five surfaces through one-time positioning, and the process range of the machine tool is enlarged.

Description

Device for processing five surfaces of hexahedron in one-step positioning manner
Technical Field
The invention relates to the technical field of machining equipment, in particular to a device for positioning and machining five surfaces of a hexahedron at one time.
Background
The hexahedral valve manifold block is a key part of a hydraulic regulator of an anti-lock brake system of an automobile, the quality of the hexahedral valve manifold block directly influences the anti-lock brake system of the automobile, and in the machining process of the hexahedral valve manifold block part, the process of finely milling the hexahedral shape and the hexahedral hole system has important influence on the precision of the hexahedral valve manifold block part. Because six surfaces of the part are uniformly provided with different cavities and hole systems, the processing technology is complex, the precision requirement is high, and aiming at the production of the part, if a special machine tool is adopted, the processing efficiency is high, the precision is high, and the like, but the cost is high, and when the condition is not met, a general machine tool and a special clamp are preferentially adopted to process the part.
Disclosure of Invention
The invention aims to provide a device for positioning and processing five surfaces of a hexahedron at one time, which has the advantages of simple structure, high production efficiency and capability of expanding the process range of a machine tool, and overcomes the defects of the prior art.
In order to achieve the purpose, the technical scheme adopted by the invention is as follows:
a device for processing five surfaces of a hexahedron in a one-step positioning mode comprises a clamp body, a positioning element and a clamping mechanism;
the clamp body comprises a clamp body connecting piece and a clamp body top cover which is arranged on the clamp body connecting piece and can rotate relative to the clamp body connecting piece; the positioning element comprises a horizontal top surface which is arranged on the top cover of the clamp body and is used as a positioning reference surface of a processed workpiece; the clamping mechanism comprises a plurality of clamping bodies which are arranged on the periphery of the horizontal top surface and can clamp or release the processed workpiece, and a squeezing assembly which acts on the clamping bodies to enable the plurality of clamping bodies to clamp or release the processed workpiece periodically and alternately;
the extrusion assembly is arranged between the clamp body connecting piece and the clamp body top cover and periodically acts along with the relative rotation of the clamp body top cover and the clamp body connecting piece; in each cycle of action, at least three clamping bodies in different directions in the plurality of clamping bodies clamp the workpiece.
As an improvement of the technical scheme, the top cover of the fixture body and the connecting piece of the fixture body are rotatably connected through a connecting shaft penetrating through the centers of the top cover of the fixture body and the connecting piece of the fixture body; a closed-loop cam track groove is arranged at the center of the clamp body connecting piece, the cam track groove is provided with 1/2 of equal-height groove bottom surface and 1/2 of chute bottom surface, and the highest position of the chute bottom surface is smoothly connected with the connecting position of the equal-height groove bottom surface; the top cover of the fixture body is of a cone frustum rotating structure, a plurality of guide grooves are uniformly arranged on the top cover of the fixture body in a radial shape on the periphery of the lower part of the horizontal top surface, and rectangular notches penetrating through the bottom end are arranged on the lower parts of the guide grooves; the clamping body is arranged in the guide groove in a sliding mode and is close to the horizontal top face, the extrusion assembly is arranged at the position of the rectangular groove, the lower end of the extrusion assembly is in contact with the cam track groove and moves up and down periodically and alternately along with the mutual rotation of the clamp body top cover and the clamp body connecting piece, and the clamping body acts on the clamping body periodically and alternately.
As an improvement to the above technical solution, the clamping body includes a clamping slider, a clamping baffle disposed at an end of the clamping slider, and an inclined plate located between the clamping slider and the clamping baffle, the clamping slider is adapted to a groove width of the guide groove, and a tail end of the clamping slider is an inclined surface; the extrusion assembly comprises a wedge-shaped block matched with the rectangular notch, the surface of the wedge-shaped block facing the tail end of the clamping slide block is an inclined surface so that the wedge-shaped block is matched with the inclined surface of the clamping slide block, and the bottom end of the wedge-shaped block is embedded in the cam track groove and is contacted with the bottom surface of the cam track groove so that the wedge-shaped block can periodically and alternately move up and down along with the rotation of the clamp body connecting piece;
as an improvement on the technical scheme, the inclined plane is a 60-degree inclined plane.
As an improvement to the above technical solution, an end face of the clamping slider facing the horizontal top surface is provided with a center hole, a port of the center hole is embedded with a bushing, the center hole and the bushing are embedded with a spring positioning shaft, a peripheral portion of the spring positioning shaft is sleeved with a return spring, so that one end of the return spring abuts against the end face of the bushing, and the other end of the return spring abuts against an upper end face of the guide groove; the baffle is provided with a screw hole and is connected with a clamping screw rod through the screw hole.
As an improvement to the above technical solution, the wedge-shaped block is further provided with a guide block below the inclined plane, the top cover of the fixture body is provided with a guide groove blind hole at the inner side of the rectangular notch to enable the guide block to be slidably embedded in the guide groove blind hole, the guide groove blind hole is provided with a return spring to enable one end of the return spring to be abutted against the upper end of the guide groove blind hole, and one end of the return spring is abutted against the end face of the guide block.
As an improvement to the technical scheme, the bottom end of the wedge-shaped block is an arc surface which is in high-order contact with the cam track groove.
As an improvement to the above technical solution, the fixture body further includes a fixture body base connected to the machine tool table, the fixture body connecting member is disposed above the fixture body base, and rotatably connected to the fixture body connecting member through a rolling bearing disposed between the fixture body connecting member and the fixture body base, and the side surfaces of the fixture body base and the fixture body connecting member are provided with key grooves and are connected to each other through positioning keys embedded with the key grooves.
As an improvement to the technical scheme, rolling bearings are sleeved on the upper part and the lower part of the connecting shaft to enable the clamp body top cover positioned on the upper part of the connecting shaft and the clamp body connecting piece positioned on the lower part of the connecting shaft to be rotatably connected; the periphery of the clamp body top cover and the clamp body connecting piece is provided with a plurality of positioning grooves and connected and positioned through positioning sliders embedded in the positioning grooves.
Compared with the prior art, the invention has the following beneficial effects:
1. the device for processing five surfaces of a hexahedron at one time is characterized in that a clamping mechanism clamps three side surfaces of a processed workpiece according to a cam track groove on a clamp body connecting piece, the unclamped side surface and a horizontal top surface are processed surfaces, and when the clamp body connecting piece and a clamp body top cover rotate around an axis relatively, the clamping mechanism can clamp and loosen the three side surfaces alternately and periodically according to the cam track groove, so that a common machine tool can be used, five surfaces are processed through one-time positioning, and the process range of the machine tool is expanded. 2. The invention is not limited to processing hexahedrons, and processed workpieces such as octahedrons, polyhedrons and the like can be processed if the structure of the device is changed. 3. The invention can be matched with various devices such as bench drilling, general milling, numerical milling, machining center and the like to complete the side face machining of the polyhedral part, thereby greatly reducing the equipment cost.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a top view of the present invention;
FIG. 3 is a cross-sectional view taken along line A-A of FIG. 2;
FIG. 4 is a schematic view of a top cover of the clamp body;
FIG. 5 is a cross-sectional view of a top cover of the clamp body;
FIG. 6 is a schematic view of the clamp body base and clamp body connector assembly;
fig. 7 is a schematic view of the clamp body structure.
FIG. 8 is a schematic view of a wedge block configuration;
FIG. 9 is an enlarged partial schematic view at D of FIG. 3;
FIG. 10 is an enlarged partial schematic view at C of FIG. 3;
in the figure: 1. a fixture body base; 2. a clamp body connecting piece; 3. a top cover of the fixture body; 4. clamping the screw rod; 5. 13, a return spring; 6. a spring positioning shaft; 7. a horizontal top surface; 8-1, clamping a sliding block; 8-2, an inclined plate; 8-3, clamping a baffle; 9. a wedge block; 10. positioning the sliding block; 11. a guide groove; 12. a positioning key; 14. 17, 18, rolling bearing; 15. a workpiece to be processed; 16. a central bore; 19. a connecting shaft; 20. a rectangular notch; 21. blind holes of the guide grooves; 22. a central hole of a top cover of the fixture body; 23. bearing positioning holes; 24. positioning a groove; 25. a cam track groove; 26. a bushing; 27. a threaded hole; 28. 29, a bevel; 30. and a guide block.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.
Thus, the following detailed description of the embodiments of the present invention, as presented in the figures, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that: like reference numbers and letters refer to like items in the following figures, and thus, once an item is defined in one figure, it need not be further defined and explained in subsequent figures.
In the description of the present invention, it is to be understood that the terms "upper", "lower", "inside", "outside", "left", "right", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, or the orientations or positional relationships that the products of the present invention are conventionally placed in use, or the orientations or positional relationships that are conventionally understood by those skilled in the art, and are used for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like are used merely to distinguish one description from another, and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it is also to be noted that, unless otherwise explicitly stated or limited, the terms "disposed" and "connected" are to be interpreted broadly, and for example, "connected" may be a fixed connection, a detachable connection, or an integral connection; can be mechanically or electrically connected; the connection may be direct or indirect through an intermediate medium, and the connection may be internal to the two elements. The specific meanings of the above terms in the present invention can be understood according to specific situations by those of ordinary skill in the art.
Referring to fig. 1-10, the device for processing five surfaces by one-time positioning of a hexahedron of the invention comprises a clamp body, a positioning element and a clamping mechanism;
the clamp body is taken as an integral basic part and is mainly used for connecting or fixing a clamping mechanism, and the clamp body mainly comprises a clamp body base 1, a clamp body connecting piece 2 and a clamp body top cover 3; the clamping mechanism is mainly used for clamping a workpiece and ensuring that the workpiece keeps a set position during cutting, and mainly comprises a wedge-shaped block 9, a clamping sliding block 8-1, an inclined plate 8-2, a clamping baffle 8-3 and a clamping screw rod 4; the positioning element is used for determining the correct position of the workpiece in the device and the determined position of the device relative to the machine tool, thereby ensuring the correct relative position of the workpiece relative to the tool and the machine tool during machining, and mainly comprises a horizontal top surface 7 of a top cover of the clamp body, a positioning slide 10 and a positioning key 12.
The fixture body base 1 is connected with a workbench (not shown in the figure) of a machine tool through a hole on the fixture body base 1; the fixture body connecting piece 2 is arranged right above the fixture body base 1, and the fixture body base 1 and the fixture body connecting piece 2 are arranged on the same central line through the mutual matching of the inner ring of the rolling bearing 18 on the fixture body base and the minimum excircle of the fixture body connecting piece 2. The side of the fixture body base 1 is provided with a key groove, and the fixture body base 1 and the fixture body connecting piece 2 are mutually positioned and connected through a positioning key 12. The clamp body top cover 3 is arranged right above the clamp body connecting piece 2 and is connected through a connecting shaft 19, so that the central line of the clamp body connecting piece 2 and the central line of the clamp body top cover 3 are on the same line. The upper end part of the connecting shaft 19 penetrates through a top cover central hole 22 of the fixture body and is matched with the rolling bearing 14, the lower end part of the connecting shaft 19 is matched with the rolling bearing 17, the rolling bearing 17 is installed in a bearing positioning hole 23, and the bearing positioning hole 23 is coaxial with the top cover central hole of the fixture body. Four positioning grooves 24 are uniformly distributed on the clamp body connecting piece 2, and the positioning grooves 24 are matched with the positioning slide block 10 and play a role in positioning the top cover 3 of the clamp body;
the cam track groove 25 on the clamp body connecting piece 2 is a closed circle, the cam track groove 25 is provided with 1/2 of the bottom surface of the equal-height groove and 1/2 of the bottom surface of the inclined groove, and the highest position of the bottom surface of the inclined groove is smoothly connected with the connecting part of the bottom surface of the equal-height groove; the cam track groove 25 on the clamp body connector 2 contacts the bottom surface of the wedge block 9 through a raised pair, as shown in fig. 9.
The horizontal top surface 7 of the clamp body top cover 3 is used as a positioning reference surface of a processed workpiece 15, four guide grooves 11 are uniformly distributed on the circumference of the clamp body top cover 3, and the groove width of each guide groove 11 is matched with the clamping slide block 8-1. The spring positioning shaft 6 is matched with the reset spring 5 and used for limiting the degree of freedom of the reset spring 5, the lower end face of the reset spring 5 abuts against the end face of the bushing 26, and the other end of the reset spring abuts against the upper end face of the guide groove to ensure that the clamping body and the wedge-shaped block 9 are always kept in contact.
The middle lower part of the top cover 3 of the fixture body is provided with four rectangular notches 20 which are uniformly distributed, and the wedge-shaped block 9 is matched with the rectangular notches 20 on the top cover 3 of the fixture body; the bottom of the wedge-shaped block 9 is in a circular arc shape, as shown in fig. 9, the wedge-shaped block is in high-order contact with a cam track groove 25 on a fixture body base, and a rectangular notch 20 and a guide groove blind hole 21 on a top cover 3 of the fixture body limit the degree of freedom of the wedge-shaped block 9, so that the wedge-shaped block can only move in the vertical direction;
the wedge-shaped block 9 is provided with a guide block 30 on the left side, the upper end of the guide block 30 is in contact with the lower end part of a return spring 13, and the upper end of the return spring 13 is fixed on the upper part of a guide groove blind hole 21 on the circumference of the top cover 3 of the fixture body, so that the return spring 13 is ensured to be always in a pressed state, and the arc part of the lower end of the wedge-shaped block 9 is ensured to be always in contact with a cam track groove 25 of the base of the fixture body as shown in fig. 9. The upper part of the wedge-shaped block 9 is provided with a slope 29 with an inclination angle of 60 degrees, and the slope 29 is contacted with the slope 28 of the clamping slide 8-1 for controlling the clamping mechanism.
The upper part of the clamping baffle 8-3 is provided with a threaded hole 27, the threaded hole 27 is in threaded connection with the clamping screw rod 4, and the workpiece is clamped and loosened by adjusting the length of the threads. The left side of the clamping slide 8-1 is provided with a slope 28 with an inclination angle of 60 degrees, and the slope 28 is contacted with a slope 29 on the wedge block 9 for controlling the clamping mechanism. The lower part of the clamping slide block 8-1 is provided with a central hole 16, and the central hole 16 and the spring positioning shaft 6 are on the same central line.
The clamping slide block 8-1 is matched with a guide groove 11 on the top cover 3 of the clamp body and used for limiting the degree of freedom of the clamping slide block 8-1; a central hole 16 at the lower part of the clamping slide block 8-1 is in interference fit with an outer ring of a bush 26, the other end of the bush 26 is in contact with a return spring 5, and the return spring 5 is matched with a spring positioning shaft 6 so as to ensure that the return spring 5 has a correct position in compression and ensure that the wedge block 9 and the clamping slide block 8-1 can keep in mutual contact;
the clamp body base 1 is arranged below the clamp body connecting piece 2, the clamp body connecting piece 2 is arranged below the clamp body top cover 3, the connecting shaft 19 is arranged at the center of the clamp body base 1, the clamp body connecting piece 2 and the clamp body top cover 3, the clamp body connecting piece 2 rotates to a certain position, and after the positioning slider 10 and the positioning key 12 are used for positioning, the machining of the side face of a machined piece 15 can be achieved.
When the clamp body connecting piece 2 rotates around the connecting shaft 19, the wedge block 9 moves up and down periodically according to the contour line of the cam track groove 25, and then the inclined surface 29 of the wedge block 9 is abutted against the inclined surface 28 of the clamping slide block 8-1, so that the clamping slide block 8-1 moves on the inclined surface along the guide groove 11, and the clamping and the releasing of the processed workpiece 15 are ensured.
Four guide groove blind holes 21 are uniformly distributed on the circumference of the top cover 3 of the fixture body, and the guide groove blind holes 21 are matched with the reset spring 13 and then are on the same central line. The keys 12 which are mutually positioned between the fixture body connecting piece 2 and the fixture body base 1 are evenly distributed at the centers of the periphery.
The specific implementation process of the invention is as follows:
the first process is as follows: placing a processed workpiece 15 at the horizontal top surface 7 of the top cover 3 of the fixture body, and processing other surfaces by taking the horizontal top surface 7 as a positioning reference of the processed workpiece; three side surfaces of the processed workpiece 15 are clamped and one side surface is loosened by adjusting the pneumatic clamping screw rod 4; then, adjusting the mutual position relationship among the clamp body connecting piece 2, the clamp body base 1 and the clamp body top cover 3 to ensure that the positioning slide block 10 and the positioning key 12 are respectively matched with the positioning groove 24 and the key groove so as to ensure that the processed workpiece 15 occupies a correct position relative to the clamp body base 1, and meanwhile, the positioning slide block 10 can prevent the processed workpiece from generating position dislocation during processing;
and a second process: the cam track groove 25 on the clamp body connecting piece 2 is in clearance fit with the lower part of the wedge block 9, the path of the wedge block 9 moving up and down is changed through the shape of the cam track groove 25, and then the movement is transmitted to the clamping body, so that the effects of clamping and loosening the processed workpiece 15 are achieved.
Following the above principles it can be concluded that:
although the invention mainly aims at the processing of a hexahedron of a processed workpiece, the invention is not limited to the processing of a polyhedron, a plurality of guide grooves 11 are uniformly arranged on the circumference of a top cover 3 of a clamp body, rectangular notches 20 are arranged at the positions of the guide grooves 11, a wedge block 9 matched with the rectangular notches 20 is assembled, a spring positioning shaft 6 matched with the guide grooves 11 is assembled, the spring positioning shaft 6 limits a return spring 5, so that an inclined surface 29 of the wedge block 9 is contacted with an inclined surface 28 of a clamping slide block 8-1, and a workpiece 15 can be clamped and loosened periodically and alternately by relatively rotating the top cover 3 of the clamp body and a connecting piece 2 of the clamp body, thereby achieving the purpose of using a common machine tool to complete the processing of five surfaces by one-time positioning, not only expanding the process range of the machine tool, but also improving the processing efficiency and lightening the labor intensity of workers.
While preferred embodiments of the present invention have been described, additional variations and modifications in those embodiments may occur to those skilled in the art once they learn of the basic inventive concepts. Therefore, it is intended that the appended claims be interpreted as including preferred embodiments and all such alterations and modifications as fall within the scope of the invention.

Claims (9)

1. The utility model provides a device of five faces of hexahedron once location processing which characterized in that: comprises a clamp body, a positioning element and a clamping mechanism;
the clamp body comprises a clamp body connecting piece and a clamp body top cover which is arranged on the clamp body connecting piece and can rotate relative to the clamp body connecting piece; the positioning element comprises a horizontal top surface which is arranged on the top cover of the clamp body and is used as a positioning reference surface of a processed workpiece; the clamping mechanism comprises a plurality of clamping bodies which are arranged on the periphery of the horizontal top surface and can clamp or release the processed workpiece, and a pressing assembly which acts on the clamping bodies to enable the plurality of clamping bodies to clamp or release the processed workpiece periodically and alternately; the extrusion components are arranged between the clamp body connecting piece and the clamp body top cover and periodically act along with the relative rotation of the clamp body top cover and the clamp body connecting piece, and the number of the extrusion components is matched with that of the clamp bodies;
when the workpiece is placed on a horizontal top surface serving as a positioning reference, the top cover of the clamp body and the connecting piece of the clamp body rotate relatively and form a primary processing station when the workpiece is relatively static, the adjacent three clamping bodies in different directions form a group to clamp the workpiece, and the machine tool completes processing of a non-clamping surface on the processing station; in a periodic rotation process, a plurality of clamping bodies sequentially and alternately act according to a rotation direction to form a plurality of groups of clamping workpieces, and the machine tool sequentially completes the processing of other non-clamping surfaces, so that the machine tool completes the processing of five surfaces through one-time positioning.
2. The apparatus of claim 1, wherein: the clamp body top cover and the clamp body connecting piece are rotatably connected through a connecting shaft penetrating through the centers of the clamp body top cover and the clamp body connecting piece, and form periodic rotation after a workpiece to be processed takes a horizontal top surface as a positioning reference; a closed-loop cam track groove is arranged at the center of the clamp body connecting piece, the cam track groove is provided with 1/2 of the bottom surface of the equal-height groove and 1/2 of the bottom surface of the chute, and the highest position of the bottom surface of the chute is smoothly connected with the connecting part of the bottom surface of the equal-height groove; the top cover of the fixture body is of a cone frustum rotating structure, a plurality of guide grooves are uniformly arranged on the top cover of the fixture body in a radial shape on the periphery of the lower part of the horizontal top surface, and rectangular notches penetrating through the bottom end are arranged on the lower parts of the guide grooves; the clamping body is slidably arranged in the guide groove and close to the horizontal top surface, the extrusion assembly is arranged at the position of the rectangular groove, the lower end of the extrusion assembly is in contact with the cam track groove and periodically and alternately moves up and down along with the mutual rotation of the clamp body top cover and the clamp body connecting piece, and the clamping body is periodically and alternately acted on.
3. The apparatus of claim 2, wherein: the clamping body comprises a clamping slide block, a clamping baffle arranged at the end part of the clamping slide block and an inclined plate positioned between the clamping slide block and the clamping baffle, and the clamping body sequentially and alternately acts to clamp the processed workpiece according to the rotating direction in the periodic rotating process; the clamping slide block is matched with the groove width of the guide groove, and the tail end of the clamping slide block is an inclined plane; the extrusion assembly comprises a wedge-shaped block matched with the rectangular notch, the surface of the wedge-shaped block facing the tail end of the clamping slide block is an inclined surface, so that the wedge-shaped block is matched with the inclined surface of the clamping slide block, and the bottom end of the wedge-shaped block is embedded in the cam track groove and is in contact with the bottom surface of the cam track groove, so that the wedge-shaped block moves up and down periodically and alternately along with the rotation of the connecting piece of the clamp body.
4. The apparatus of claim 3, wherein: the inclined plane is a 60-degree inclined plane.
5. The apparatus of claim 3, wherein: the end face, facing the horizontal top face, of the clamping slide block is provided with a central hole, a bushing is embedded at the port of the central hole, a spring positioning shaft is embedded in the central hole and the bushing, and a return spring is sleeved on the periphery of the spring positioning shaft to enable one end of the return spring to abut against the end face of the bushing and enable the other end of the return spring to abut against the upper end face of the guide groove; the clamping baffle is provided with a screw hole and is connected with a clamping screw rod through the screw hole.
6. The apparatus of claim 5, wherein: the wedge still is provided with the guide block in the below on inclined plane, the anchor clamps body top cap has seted up the guide slot blind hole in the inboard of rectangle notch and has made the gliding inlaying of guide block to establish in the guide slot blind hole, in the top of guide block, the guide slot blind hole is provided with reset spring and makes this reset spring one end offset with the upper end of guide slot blind hole, and one end offsets with the terminal surface of guide block.
7. The apparatus of claim 6, wherein: the bottom end of the wedge-shaped block is an arc surface which is in contact with the cam track groove height pair.
8. The apparatus of claim 2, wherein: the fixture body further comprises a fixture body base connected with a machine tool workbench, the fixture body connecting piece is arranged above the fixture body base and is in rotatable connection through a rolling bearing arranged between the fixture body connecting piece and the fixture body base, and key grooves are formed in the side surfaces of the fixture body base and the fixture body connecting piece and are in positioning connection through positioning keys embedded with the key grooves.
9. The apparatus of claim 2, wherein: the upper part and the lower part of the connecting shaft are sleeved with rolling bearings so that the top cover of the fixture body positioned at the upper part of the connecting shaft and the connecting piece of the fixture body positioned at the lower part of the connecting shaft can be rotatably connected; the periphery of the clamp body top cover and the clamp body connecting piece is provided with a plurality of positioning grooves and connected and positioned through positioning sliders embedded in the positioning grooves.
CN202210119322.2A 2022-02-08 2022-02-08 Device for processing five surfaces of hexahedron in one-step positioning manner Active CN114536051B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202210119322.2A CN114536051B (en) 2022-02-08 2022-02-08 Device for processing five surfaces of hexahedron in one-step positioning manner

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202210119322.2A CN114536051B (en) 2022-02-08 2022-02-08 Device for processing five surfaces of hexahedron in one-step positioning manner

Publications (2)

Publication Number Publication Date
CN114536051A CN114536051A (en) 2022-05-27
CN114536051B true CN114536051B (en) 2022-12-09

Family

ID=81674165

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202210119322.2A Active CN114536051B (en) 2022-02-08 2022-02-08 Device for processing five surfaces of hexahedron in one-step positioning manner

Country Status (1)

Country Link
CN (1) CN114536051B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117427855B (en) * 2023-12-20 2024-03-08 常州铭赛机器人科技股份有限公司 Workpiece clamping device and workpiece clamping method

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968241A (en) * 1962-05-16 1964-09-02 Edgar Allen & Co Ltd Improvements in or relating to toolholders provided with chip-breakers
FR1587726A (en) * 1967-09-15 1970-03-27
US5138757A (en) * 1989-03-17 1992-08-18 Motor Wheel Corporation Process for manufacturing a vehicle brake drum
JP2006102887A (en) * 2004-10-06 2006-04-20 Sagami Precision Kk Workpiece clamping device
JP2008229774A (en) * 2007-03-20 2008-10-02 Ishizuka Glass Co Ltd Device for machining and holding polyhedron, and machining method
CN103786039A (en) * 2012-10-30 2014-05-14 曹晓晶 Automatic re-clamping device for numerical control machine tool

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB968241A (en) * 1962-05-16 1964-09-02 Edgar Allen & Co Ltd Improvements in or relating to toolholders provided with chip-breakers
FR1587726A (en) * 1967-09-15 1970-03-27
US5138757A (en) * 1989-03-17 1992-08-18 Motor Wheel Corporation Process for manufacturing a vehicle brake drum
JP2006102887A (en) * 2004-10-06 2006-04-20 Sagami Precision Kk Workpiece clamping device
JP2008229774A (en) * 2007-03-20 2008-10-02 Ishizuka Glass Co Ltd Device for machining and holding polyhedron, and machining method
CN103786039A (en) * 2012-10-30 2014-05-14 曹晓晶 Automatic re-clamping device for numerical control machine tool

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
多面体零件五轴定位加工研究;何延辉等;《机床与液压》;20131028(第20期);全文 *

Also Published As

Publication number Publication date
CN114536051A (en) 2022-05-27

Similar Documents

Publication Publication Date Title
CN114536051B (en) Device for processing five surfaces of hexahedron in one-step positioning manner
CN209175258U (en) Motor car engine rocker multistation one-pass molding clamping apparatus disk and disk machine
CN205465275U (en) Boring antarafacial vertical hole's anchor clamps
CN104588738A (en) Drill jig for machining incongruous inclined holes
CN209902745U (en) Anchor clamps of first hole turning process of adaptation variable
CN108788820B (en) Frock of lathe work back lid casing
CN206066023U (en) A kind of Self-centering device of clamping thin-wall workpiece
CN111055145A (en) A add clamping apparatus for aluminum alloy control arm
CN103753308A (en) Method for machining main pin holes of front axle of automobile
CN210649704U (en) CNC slider part multiaspect is fixed a position fast and is switched processing frock and lathe
CN211490471U (en) Pneumatic accurate revolving stage of biax multi-angle multistation
CN113579750B (en) Speed reducer semi-camshaft accompanying tool
CN111390644B (en) Clamp capable of rotating and adjusting eccentricity on indexing chuck
CN205237106U (en) Magnetic force chuck
CN208880235U (en) A kind of not parallel locking device of single screw rod multiple spot
CN207642696U (en) A kind of rotatable clamp boring circumferential apertures for the ring parts with end-face hole
CN217254656U (en) Positioning tool for lathe
CN219188709U (en) Junction box drilling device
CN220903360U (en) Curved surface work piece self-adaptation clamping jaw can rectify
CN220330632U (en) Self-adaptive universal floating clamp for precision machining of inner holes of parts
CN219945391U (en) Cutter disc interchangeability processing device
CN214560686U (en) Positioning and clamping device and turning positioning and locking device
CN220388673U (en) Multi-angle indexing fixture for four-axis machine tool
CN217571792U (en) Workpiece positioning mechanism of multi-station machine tool
CN204524937U (en) A kind of fixture of multistation modular machine tool

Legal Events

Date Code Title Description
PB01 Publication
PB01 Publication
SE01 Entry into force of request for substantive examination
SE01 Entry into force of request for substantive examination
GR01 Patent grant
GR01 Patent grant