CN112059651B - Multi-station integrated composite clamp - Google Patents
Multi-station integrated composite clamp Download PDFInfo
- Publication number
- CN112059651B CN112059651B CN202010759021.7A CN202010759021A CN112059651B CN 112059651 B CN112059651 B CN 112059651B CN 202010759021 A CN202010759021 A CN 202010759021A CN 112059651 B CN112059651 B CN 112059651B
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- Prior art keywords
- hole
- station
- fixing
- shoulder
- clamp
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23B—TURNING; BORING
- B23B31/00—Chucks; Expansion mandrels; Adaptations thereof for remote control
- B23B31/40—Expansion mandrels
- B23B31/404—Gripping the work or tool by jaws moving radially controlled by conical surfaces
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, 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
- B23Q2703/00—Work clamping
- B23Q2703/02—Work clamping means
- B23Q2703/08—Devices for clamping a plurality of workpieces
Abstract
The invention provides a multi-station integrated composite clamp, which comprises a multi-station clamp mounting seat and a clamp, and is characterized in that: the clamp comprises a shoulder expansion sleeve, a taper rod expansion core, a fixed retaining ring and a fixing bolt, wherein the upper portion and the lower portion of the outer side wall of the shoulder expansion sleeve are respectively provided with an annular convex shoulder and a convex ring, and the multi-station clamp mounting seat comprises a rotating body and a multi-station fixing base. The multi-station fixing base is provided with a plurality of workpiece fixing stations, bosses and taper rod expansion core fixing holes are respectively arranged on two sides of each workpiece fixing station, and fixing bolt holes are formed in the top surfaces of the bosses. The conical rod expansion core penetrates through an inner hole of the shoulder expansion sleeve, the lower end of the conical rod expansion core is screwed into a conical rod expansion core fixing hole, a fixing bolt penetrates through the fixing retaining ring, and the lower end of the conical rod expansion core is screwed into a fixing bolt hole. The annular convex shoulder and the fixed baffle ring are respectively used for pressing downwards at two ends of the top surface of the workpiece, the side surface of the boss is used for limiting, and the conical rod expansion core is used for increasing the outer diameter of the convex ring to clamp and position the workpiece. The positioning device has the advantages of simple and compact structure, convenient and reliable positioning, and can be used for machining a plurality of workpieces in batches by a numerical control machine tool.
Description
Technical Field
The invention relates to a mechanical clamping device, which is used for clamping and fixing mechanical parts in the cutting process, is particularly suitable for clamping a plurality of workpieces processed by a numerical control machine tool in batches, belongs to the technical field of machining, and particularly relates to a multi-station integrated composite clamp.
Background
In general mechanical cutting and clamping, the most common clamping is performed by a bench vice, a fixed chuck and a movable chuck are used for clamping and fixing a workpiece, the clamping mode is convenient to operate and widely applied to various cutting processes, the clamping and positioning performance of the clamping mode is poor, particularly, no pressure and positioning constraint exist in the vertical direction, the possible displacement of the workpiece in the vertical direction is constrained only by the friction force generated by the side surface pressurization, the processing quality is controlled by the operation adjustment and experience of skilled technicians, hidden dangers are brought to the stability of the processing quality, and the clamping mode is generally only applied to a single-piece or small-batch production mode.
The lower and side linkage pressurizing structures in the prior art are mostly in a linkage floating pressing block form, and the structure has more structural components and larger occupied space and is difficult to be practically adopted in a multi-station integrated clamp.
Disclosure of Invention
The invention aims to solve the problems in the prior art, and provides a multi-station integrated composite clamp which can simultaneously complete downward pressurization and lateral pressurization on workpieces, has a simple and compact structure, is convenient and reliable to position, can be conveniently used for clamping a plurality of workpieces processed by a numerical control machine tool in batches, and can improve the processing efficiency.
The purpose of the invention is realized by the following technical scheme:
a multi-station integrated composite clamp comprises a multi-station clamp mounting seat and a clamp, and is characterized in that the clamp comprises a shoulder expansion sleeve, a conical rod expansion core, a fixed retaining ring and a fixing bolt, the shoulder expansion sleeve is cylindrical, an annular convex shoulder is arranged on the upper portion of the outer side wall of the shoulder expansion sleeve, a convex ring is arranged on the lower portion of the outer side wall, the multi-station clamp mounting seat comprises a rotating body and a multi-station fixing base arranged on the rotating body, a plurality of workpiece fixing stations are arranged on the multi-station fixing base, bosses and conical rod expansion core fixing holes are respectively arranged on two sides of each workpiece fixing station, fixing bolt holes are formed in the top surface of each boss, external threads are arranged at the lower end of the conical rod expansion core, the conical rod expansion core penetrates into the inner hole of the shoulder expansion sleeve, the lower end of the conical rod expansion core fixing hole is screwed in, the fixing bolt penetrates into the fixed retaining ring, and the lower end of the fixing bolt hole is screwed in the fixing bolt hole, the annular convex shoulder and the fixed stop ring are respectively used for pressing downwards at two ends of the top surface of the workpiece, the side surface of the boss is used for leaning against one side surface of the workpiece for limiting, and the conical rod expansion core is used for increasing the outer diameter of the convex ring on the shoulder expansion sleeve and clamping and positioning the side surface of the workpiece.
The improvement of the technical scheme is as follows: the conical rod expansion core comprises a thick cylindrical section at the upper end, a middle cylindrical section and a thin cylindrical section at the lower end, the upper end and the lower end of the cylindrical section are respectively consistent with the outer diameters of the thick cylindrical section and the thin cylindrical section, an inner hole of the shoulder expansion sleeve comprises a cylindrical hole at the upper section and a circular truncated cone hole at the lower section, and the taper of the circular truncated cone section of the conical rod expansion core is matched with that of the circular truncated cone hole.
The technical scheme is further improved as follows: the upper part of the side wall of the shoulder expansion sleeve is provided with a transverse slotted hole, the lower end edge of the side wall of the shoulder expansion sleeve is provided with a vertical slotted hole extending upwards, the upper end of the vertical slotted hole is communicated with the transverse slotted hole, the vertical slotted hole and the transverse slotted hole form a T-shaped slotted hole, and the two T-shaped slotted holes are symmetrically arranged.
The technical scheme is further improved as follows: the fixed baffle ring is in a ring shape and comprises an upper-end large-diameter section and a lower-end small-diameter section, the inner hole of the upper-end large-diameter section is consistent with the outer diameter of the head of the fixing bolt, the inner hole of the lower-end small-diameter section is consistent with the outer diameter of the lower end of the fixing bolt, the fixing bolt hole of the boss comprises an upper-section large-diameter round hole and a lower-section internal thread hole, the upper-section large-diameter round hole is matched with the lower-end small-diameter section of the fixed baffle ring, the lower-section internal thread hole is matched with external threads at the lower end of the fixing bolt, and the lowest end height of the lower-section internal thread hole is basically consistent with the lowest end height of the expansion core fixing hole of the taper rod.
The technical scheme is further improved: the multi-station fixing base at least comprises a long strip mounting plate, and the workpiece fixing stations are arranged on the long strip mounting plate at intervals in parallel.
The technical scheme is further improved: the rotator includes two rotary disks of installation on rotation axis and the rotation axis, two are followed respectively at the both ends of rotation axis wear out in the center of rotary disk, rectangular mounting panel has 4 at least, each the both ends of rectangular mounting panel are fixed respectively two on the medial surface of rotary disk, multistation anchor clamps mount pad has 4 installation faces at least, every install one on the installation face rectangular mounting panel, each the installation face with the axis distance of rotation axis is the same.
The invention has the advantages and positive effects that:
the multi-station integrated composite clamp can simultaneously complete downward pressurization and lateral pressurization on workpieces, has the advantages of simple and compact structure, small occupied space, convenient and reliable positioning, convenient processing and high working efficiency, and can be conveniently used for clamping a plurality of workpieces processed in batches by a numerical control machine tool.
Drawings
FIG. 1 is a perspective view of a multi-station integrated composite fixture according to the present invention in use;
FIG. 2 is a schematic view showing the use states of two long mounting plates on a mounting surface of a multi-station fixture mounting seat of the multi-station integrated composite fixture according to the present invention;
FIG. 3 is a sectional view taken along line A-A of FIG. 2;
FIG. 4 is an axial cross-sectional view of the shoulder expanding sleeve in the multi-station integrated composite clamp of the present invention.
Fig. 5 is a perspective view of the shoulder expanding sleeve in the multi-station integrated composite clamp of the invention.
The numbering in the figure is: 1-fixed bolt, 2-fixed baffle ring, 3-taper rod expansion core, 4-shouldered expansion sleeve, 4.1-annular shoulder, 4.2-inner hole of shouldered expansion sleeve, 4.3-transverse slotted hole, 4.4-vertical slotted hole, 4.5-convex ring, 4.6-side wall of shouldered expansion sleeve, 5-strip mounting plate, 5.1-boss, 6-workpiece, 7-rotating shaft and 8-rotating disk.
Detailed Description
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1-3, the embodiment of the invention relates to a multi-station integrated composite clamp, which comprises a multi-station clamp mounting seat and a clamp, wherein the clamp comprises a shoulder expansion sleeve 4, a taper rod expansion core 3, a fixed stop ring 2 and a fixed bolt 1, the shoulder expansion sleeve 4 is cylindrical, an annular shoulder 4.1 is arranged on the upper portion of the outer side wall of the shoulder expansion sleeve 4, and a convex ring 4.5 is arranged on the lower portion of the outer side wall. The multi-station fixture mounting base comprises a rotating body and a multi-station fixing base arranged on the rotating body, a plurality of workpiece fixing stations are arranged on the multi-station fixing base, bosses 5.1 and taper rod expansion core fixing holes are respectively arranged on two sides of each workpiece fixing station, and fixing bolt holes are formed in the top surfaces of the bosses 5.1. The lower end of the conical rod expansion core 3 is provided with external threads, the conical rod expansion core 3 penetrates through an inner hole 4.2 of the shoulder expansion sleeve, and the lower end of the conical rod expansion core 3 is screwed into the conical rod expansion core fixing hole; the fixing bolt 1 penetrates through the fixing retaining ring 2, and the lower end of the fixing bolt is screwed into the fixing bolt hole. The annular convex shoulder 4.1 and the fixed stop ring 3 are respectively used for pressing downwards at two ends of the top surface of the workpiece 6, the side surface of the boss 5.1 is used for being limited by leaning against one side surface of the workpiece 6, and the conical rod expansion core 3 is used for increasing the outer diameter of the convex ring 4.5 on the shouldered expansion sleeve 4 and clamping and positioning the side surface of the workpiece 6.
Specifically, the method comprises the following steps: as shown in fig. 3, the cone beam expansion core 3 includes a thick cylindrical section at the upper end, a middle circular truncated cone section and a thin cylindrical section at the lower end, the upper end and the lower end of the circular truncated cone section are respectively consistent with the outer diameters of the thick cylindrical section and the thin cylindrical section, the inner hole 4.2 of the shoulder expansion sleeve includes a cylindrical hole at the upper section and a circular truncated cone hole at the lower section, and the taper of the circular truncated cone section of the cone beam expansion core 3 is matched with the taper of the circular truncated cone hole.
Further, as shown in fig. 4 and 5, a transverse slot 4.3 is formed in the upper portion of the shoulder expansion sleeve side wall 4.6, an upwardly extending vertical slot 4.4 is formed in the lower end edge of the shoulder expansion sleeve side wall 4.6, the upper end of the vertical slot 4.4 is communicated with the transverse slot 4.3, the vertical slot 4.4 and the transverse slot 4.3 form a T-shaped slot, and two of the T-shaped slots are symmetrically arranged. Two T-shaped slotted holes are formed in the side wall 4.6 of the shoulder expansion sleeve, so that in the process that the lower end of the conical rod expansion core 2 is screwed into the conical rod expansion core fixing hole, the conical rod expansion core 2 is screwed to enable the side wall 4.6 of the shoulder expansion sleeve to be easily expanded, the outer diameter of the convex ring 4.5 is increased, and the workpiece 6 is laterally pressurized.
Still further, as shown in fig. 2 and 3, the fixed baffle ring 2 is a circular ring, the fixed baffle ring 2 includes an upper large diameter section and a lower small diameter section, an inner hole of the upper large diameter section is consistent with an outer diameter of a head of the fixing bolt 1, an inner hole of the lower small diameter section is consistent with an outer diameter of a lower end of the fixing bolt 1, the fixing bolt hole of the boss 5.1 includes an upper large diameter round hole and a lower internal thread hole, the upper large diameter round hole is matched with the lower small diameter section of the fixed baffle ring 2, the lower internal thread hole is matched with an external thread at a lower end of the fixing bolt 1, and a height of a lowest end of the lower internal thread hole is substantially consistent with a height of a lowest end of the expansion core fixing hole of the taper rod.
Still further, above-mentioned multistation unable adjustment base includes a rectangular mounting panel 5 at least, on the rectangular mounting panel 5 at least one row parallel interval set up the work piece fixed station.
The specific implementation manner of the multi-station fixture mounting seat is as follows: as shown in fig. 1, the rotating body includes a rotating shaft 8 and two rotating disks 8 attached to the rotating shaft, and both ends of the rotating shaft 8 protrude from the centers of the two rotating disks 7. The multi-station fixture mounting seat is provided with 4 mounting surfaces, the adjacent mounting surfaces are perpendicular to each other, the distance between each mounting surface and the axis of the rotating shaft 8 is the same, each mounting surface is provided with two long mounting plates 5, two ends of each long mounting plate 5 are respectively fixed on the inner side surfaces of the two rotating disks 7, and each long mounting plate 5 is provided with at least 6 workpiece fixing stations.
When a workpiece 6 is machined, the machined workpiece 6 is arranged at a workpiece fixing station, one side of the workpiece 6 leans against the side face of a boss 5.1, when the lower end of a conical rod expansion core 3 is screwed into a conical rod expansion core fixing hole, the joint part of a circular table section in the middle of the conical rod expansion core 3 and a circular table hole at the lower section of an inner hole 4.2 of a shouldered expansion sleeve can generate axial relative displacement, through reasonable design and matching size, when the shouldered expansion sleeve 4 initially moves downwards, the shouldered expansion sleeve 4 can move downwards synchronously along with the conical rod expansion core 3, when an annular shoulder 4.1 of the shouldered expansion sleeve 4 contacts the top face of the workpiece 6, the downward movement of the shouldered expansion sleeve 4 is blocked and stopped, the conical rod expansion core 3 is continuously screwed, and the diameter of a convex ring 4.5 arranged at the lower part of the side wall 4.6 of the shouldered expansion sleeve is increased, so that the side face of the workpiece 6 is pressurized.
Install the rotation axis 8 at rotator both ends respectively on processing equipment drive axle bed and fixed axle bed, install work piece 6 on all work piece fixed stations again, rotate the rectangular mounting panel 5 of rotator to a certain mounting plane and aim at the processing cutter, carry out the machine tooling, accomplish the work piece 6 processing of the rectangular mounting panel 5 of a mounting plane, aim at the processing cutter with the rectangular mounting panel 5 of rotator rotation to another mounting plane again, carry out the machine tooling, until work piece 6 on all work piece fixed stations is processed and is accomplished.
It is to be understood that the above description is not intended to limit the present invention, and the present invention is not limited to the above examples, and those skilled in the art may make modifications, alterations, additions or substitutions within the spirit and scope of the present invention.
Claims (7)
1. A multi-station integrated composite clamp comprises a multi-station clamp mounting seat and a clamp, and is characterized in that the clamp comprises a shoulder expansion sleeve, a conical rod expansion core, a fixed retaining ring and a fixing bolt, the shoulder expansion sleeve is cylindrical, an annular convex shoulder is arranged on the upper portion of the outer side wall of the shoulder expansion sleeve, a convex ring is arranged on the lower portion of the outer side wall, the multi-station clamp mounting seat comprises a rotating body and a multi-station fixing base arranged on the rotating body, a plurality of workpiece fixing stations are arranged on the multi-station fixing base, bosses and conical rod expansion core fixing holes are respectively arranged on two sides of each workpiece fixing station, fixing bolt holes are formed in the top surface of each boss, external threads are arranged at the lower end of the conical rod expansion core, the conical rod expansion core penetrates into the inner hole of the shoulder expansion sleeve, the lower end of the conical rod expansion core fixing hole is screwed in, the fixing bolt penetrates into the fixed retaining ring, and the lower end of the fixing bolt hole is screwed in the fixing bolt hole, the annular convex shoulder and the fixed baffle ring are respectively used for pressing downwards at two ends of the top surface of a workpiece, the side surface of the boss is used for leaning against one side surface of the workpiece for limiting, and the conical rod expansion core is used for increasing the outer diameter of the convex ring on the shoulder expansion sleeve and clamping and positioning the side surface of the workpiece; the upper part of the side wall of the shoulder expansion sleeve is provided with a transverse slotted hole, the lower end edge of the side wall of the shoulder expansion sleeve is provided with a vertical slotted hole extending upwards, the upper end of the vertical slotted hole is communicated with the transverse slotted hole, the vertical slotted hole and the transverse slotted hole form a T-shaped slotted hole, and the two T-shaped slotted holes are symmetrically arranged.
2. The multi-station integrated composite clamp according to claim 1, wherein the conical rod expansion core comprises a thick cylindrical section at the upper end, a middle cylindrical section and a thin cylindrical section at the lower end, the upper end and the lower end of the cylindrical section are respectively consistent with the outer diameters of the thick cylindrical section and the thin cylindrical section, the inner hole of the shoulder expansion sleeve comprises a cylindrical hole at the upper section and a circular truncated cone hole at the lower section, and the conical degree of the circular truncated cone section of the conical rod expansion core is matched with that of the circular truncated cone hole.
3. The multi-station integrated composite clamp according to claim 1 or 2, wherein the fixed baffle ring is circular and comprises an upper large diameter section and a lower small diameter section, the inner hole of the upper large diameter section is consistent with the outer diameter of the head of the fixing bolt, the inner hole of the lower small diameter section is consistent with the outer diameter of the lower end of the fixing bolt, the fixing bolt hole of the boss comprises an upper large diameter round hole and a lower internal thread hole, the upper large diameter round hole is matched with the lower small diameter section of the fixed baffle ring, the lower internal thread hole is matched with the external thread of the lower end of the fixing bolt, and the height of the lowest end of the lower internal thread hole is substantially consistent with the height of the lowest end of the expansion core fixing hole of the taper rod.
4. The multi-station integrated composite clamp according to claim 1 or 2, wherein the multi-station fixing base comprises at least one strip mounting plate, and at least one row of the workpiece fixing stations are arranged on the strip mounting plate in parallel at intervals.
5. The multi-station integrated composite fixture according to claim 3, wherein the multi-station fixing base comprises at least one strip-shaped mounting plate, and at least one row of the workpiece fixing stations are arranged on the strip-shaped mounting plate at intervals in parallel.
6. The multi-station integrated composite clamp according to claim 4, wherein the rotating body comprises a rotating shaft and two rotating disks mounted on the rotating shaft, two ends of the rotating shaft respectively penetrate through the centers of the two rotating disks, the number of the strip mounting plates is at least 4, two ends of each strip mounting plate are respectively fixed on inner side faces of the two rotating disks, the multi-station clamp mounting seat is provided with at least 4 mounting faces, each mounting face is provided with at least one strip mounting plate, and the mounting faces are the same as the rotating shaft in axial distance.
7. The multi-station integrated composite clamp according to claim 5, wherein the rotating body comprises a rotating shaft and two rotating disks mounted on the rotating shaft, two ends of the rotating shaft respectively penetrate through the centers of the two rotating disks, the number of the strip mounting plates is at least 4, two ends of each strip mounting plate are respectively fixed on the inner side surfaces of the two rotating disks, the multi-station clamp mounting seat is provided with at least 4 mounting surfaces, each mounting surface is provided with at least one strip mounting plate, and the distance between each mounting surface and the axis of the rotating shaft is the same.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759021.7A CN112059651B (en) | 2020-07-31 | 2020-07-31 | Multi-station integrated composite clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010759021.7A CN112059651B (en) | 2020-07-31 | 2020-07-31 | Multi-station integrated composite clamp |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112059651A CN112059651A (en) | 2020-12-11 |
| CN112059651B true CN112059651B (en) | 2022-06-21 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010759021.7A Active CN112059651B (en) | 2020-07-31 | 2020-07-31 | Multi-station integrated composite clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112059651B (en) |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1552482A1 (en) * | 1966-11-10 | 1969-10-23 | Diebold Vulkan Werk W | Quick release mandrel |
| DE4307342C2 (en) * | 1993-03-09 | 1994-12-08 | Erowa Ag | Device for the position-defined clamping of a workpiece at the workplace of a processing machine |
| JP2003136358A (en) * | 2001-11-07 | 2003-05-14 | Kosmek Ltd | Positioning device |
| CN109420916B (en) * | 2017-09-05 | 2020-09-11 | 深圳市泛海统联精密制造股份有限公司 | Multi-station self-centering clamp |
| CN210524540U (en) * | 2019-09-29 | 2020-05-15 | 青岛精益精锻齿轮有限公司 | Numerical control lathe clamp with cross oil line on spherical surface of planetary gear of differential mechanism |
-
2020
- 2020-07-31 CN CN202010759021.7A patent/CN112059651B/en active Active
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| Publication number | Publication date |
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| CN112059651A (en) | 2020-12-11 |
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