CN117020712B - Clamping jig for machining metal parts and application method thereof - Google Patents
Clamping jig for machining metal parts and application method thereof Download PDFInfo
- Publication number
- CN117020712B CN117020712B CN202311290765.9A CN202311290765A CN117020712B CN 117020712 B CN117020712 B CN 117020712B CN 202311290765 A CN202311290765 A CN 202311290765A CN 117020712 B CN117020712 B CN 117020712B
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- pressing
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- extrusion
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- strip
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- 229910052751 metal Inorganic materials 0.000 title claims abstract description 96
- 239000002184 metal Substances 0.000 title claims abstract description 96
- 238000000034 method Methods 0.000 title claims abstract description 18
- 238000003754 machining Methods 0.000 title claims description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 62
- 238000003825 pressing Methods 0.000 claims description 121
- 230000000149 penetrating effect Effects 0.000 claims 1
- 230000000712 assembly Effects 0.000 description 5
- 238000000429 assembly Methods 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 239000004809 Teflon Substances 0.000 description 2
- 229920006362 Teflon® Polymers 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 229910052731 fluorine Inorganic materials 0.000 description 1
- 239000011737 fluorine Substances 0.000 description 1
- 230000017525 heat dissipation Effects 0.000 description 1
- 238000007373 indentation Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
Classifications
-
- 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
- B23Q3/02—Devices 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
- B23Q3/06—Work-clamping means
- B23Q3/061—Work-clamping means adapted for holding a plurality of workpieces
-
- 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
- B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
- B23Q1/25—Movable or adjustable work or tool supports
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
Abstract
The invention relates to the field of clamping jigs, in particular to a clamping jig for processing metal parts and a use method thereof, wherein the clamping jig is arranged on a pneumatic rotary table, the pneumatic rotary table is provided with a rotary table, the top of the rotary table is fixedly provided with a clamping platform, the surface of the clamping platform is provided with a plurality of strip grooves at equal intervals, the clamping jig comprises a plurality of check blocks arranged at the edge of each strip groove, the end part of each check block protrudes into the corresponding strip groove, the clamping jig further comprises an extrusion assembly arranged in the strip groove and close to one side of each check block, and each extrusion assembly is respectively positioned between two corresponding adjacent check blocks.
Description
Technical Field
The invention relates to the field of clamping jigs, in particular to a clamping jig for machining metal parts and a using method thereof.
Background
The special fixture is needed to clamp the tiny parts in the machining process, the fixture can realize positioning and locking of the parts, relative position movement does not occur, the existing fixture is often subjected to factors such as operable space, part characteristics and the like, the fixing effect is poor, the clamping of special-shaped parts is often unable to guarantee stability, movement is easy to occur in the machining process, if the small parts with thinner wall thickness are directly extruded and locked in a traditional mode, deformation and scratch of the parts are easy to cause, appearance and size of the parts are poor, workpiece scrapping is caused, and the existing fixture can clamp single parts mostly, cannot process a plurality of parts at the same time, and the machining efficiency is low.
The utility model provides a chinese patent application CN112847200a of current disclosure is a type part special fixture that easily changes, including the anchor clamps body, the anchor clamps body is formed through the preparation of indisputable fluorine dragon, the opening has been seted up at the top of anchor clamps body, open-ended inner chamber sliding connection has movable kicking block, movable kicking block is formed through aluminum product preparation, movable kicking block's the back fixed mounting has the movable plate, the center department bearing at movable plate top supports has the fastening screw, the top of fastening screw runs through the anchor clamps body and extends to the outside of anchor clamps body and with the inner wall threaded connection of anchor clamps body, the left and right sides at movable plate top all bearing support has the pipe box, the top of pipe box runs through the anchor clamps body and extends to the inner chamber of anchor clamps body, the inner chamber sliding connection of pipe box has the telescopic link, the top of telescopic link runs through pipe box and anchor clamps body in proper order and extends to the outside of anchor clamps body, the positive bottom sliding connection of anchor clamps body has the clamp plate, the front and the right side that is located the open-ended has the movable mouth, and the inner chamber sliding connection of movable mouth has the movable block, the right side supporting screw has the movable plate, the right side supporting body to the front of the anchor clamps body and the long side screw is placed to the outside of the front of the anchor clamps body.
According to the patent, the movable ejector blocks made of the teflon material and the aluminum material are combined, the teflon material has good heat dissipation and is not easy to deform, the processed surface is smooth, the material is soft relative to the part body, and the clamping is not easy to scratch the part body. In addition, for the centre gripping of the less spare part of size, adopt the rigidity centre gripping can lead to the spare part to cause excessively to compress tightly in the course of working, and then appear the indentation and lead to the part to warp even, consequently, need at present one kind can carry out the clamping tool of simultaneous clamping to a plurality of parts.
Disclosure of Invention
According to the clamping jig for machining the metal parts and the application method thereof, the stop blocks are used for resisting the metal parts, so that the positions of the metal parts are limited at the positions corresponding to the extrusion assemblies, the metal parts are pressed against the groove walls of the strip-shaped grooves by the extrusion assemblies, and the clamping platform is clamped with the metal parts simultaneously through the arrangement of the extrusion assemblies and the corresponding stop blocks, so that the machining efficiency is improved.
In order to solve the problems in the prior art, the invention provides a clamping jig for processing metal parts and a use method thereof, the clamping jig is arranged on a pneumatic rotary table, a rotary table is arranged on the pneumatic rotary table, a clamping platform which is in a disc shape and used for placing the metal parts is fixedly arranged at the top of the rotary table, a central shaft which is coaxially connected with the clamping platform is arranged at the center of the rotary table, a plurality of strip-shaped grooves used for placing the metal parts therein are arranged on the surface of the clamping platform at equal intervals, the edge direction of each strip-shaped groove is perpendicular to the axis direction of the central shaft, the clamping jig comprises a plurality of stop blocks which are arranged at the edge of each strip-shaped groove, each stop block is in a strip shape, the end part of each stop block protrudes into the corresponding strip-shaped groove respectively, the clamping jig also comprises an extrusion assembly which is arranged in the strip-shaped groove and is close to one side of each stop block, and each extrusion assembly is respectively positioned between two corresponding adjacent stop blocks; the extrusion assembly is provided with a pressing elastic sheet and an extrusion wedge block, and the pressing elastic sheet is arranged at the bottom of the strip-shaped groove; the pressing elastic sheet is composed of a bottom edge, a first side edge and a second side edge which are symmetrically and vertically connected to the two sides of the bottom edge, the first side edge and the second side edge are elastically connected with the bottom edge, and when the pressing wedge block is pressed downwards between the first side edge and the second side edge towards the direction of the bottom edge, the first side edge and the second side edge are in a state of moving towards the groove wall direction of the strip-shaped groove.
Preferably, gaps for clamping metal parts are reserved between two sides of the pressing spring plate and two side groove walls of the strip-shaped groove, the pressing wedge block is connected with the pressing spring plate in a matched mode, and an extrusion driving piece for driving the pressing wedge block to extrude towards the pressing spring plate is arranged between the pressing wedge block and the pressing spring plate.
Preferably, the outer sides of the upper ends of the first side edge and the second side edge of the pressing elastic sheet are respectively provided with an outer convex part which is used for playing a pressing effect on the metal part.
Preferably, the inner sides of the upper ends of the first side edge and the second side edge of the pressing elastic piece are respectively provided with an inner convex part which is contacted with the pressing wedge block, and the inner surface of the inner convex part is an inclined surface which is inclined inwards from top to bottom.
Preferably, the extrusion wedge block is of an inverted trapezoid structure, the extrusion wedge block is inserted into the pressing elastic sheet, and two side edges of the extrusion wedge block are respectively attached to inclined planes of the inner convex parts of the first side edge and the second side edge.
Preferably, the extrusion driving piece is provided with a first fastening screw, the center of the extrusion wedge block is communicated with the first fastening screw from top to bottom, the end part of the first fastening screw penetrates through the through hole to extend downwards, a nut of the first fastening screw is in contact with the top surface of the extrusion wedge block, the bottom edge of the pressing elastic piece is provided with a sleeve extending downwards vertically through the clamping platform, the sleeve is coaxial with the through hole on the extrusion wedge block, the inner diameter of the sleeve is equal to the diameter of the first fastening screw, the inside of the sleeve is provided with an internal thread matched with the first fastening screw, and the end part of the first fastening screw is in threaded connection with the sleeve.
Preferably, the lower end of the sleeve is fixedly sleeved with an anti-drop ring, and the surface of the anti-drop ring is contacted with the bottom surface of the clamping jig.
Preferably, the clamping platform is provided with a bayonet for inserting the stop block, and the stop block is provided with a second fastening screw for fixing the clamping platform.
Preferably, clamping grooves are formed in two sides of the edge of the rotary table, and clamping blocks matched with the clamping grooves in a clamping mode are arranged at the bottom of the clamping platform.
Compared with the prior art, the beneficial effects of this application are:
1. according to the clamping device, the stop block is used for resisting the metal part, so that the position of the metal part is limited at the position corresponding to the extrusion assembly, the metal part is pressed against the groove wall of the strip-shaped groove by the extrusion assembly along with the operation of the extrusion assembly, a plurality of metal parts are fixed on the clamping platform through the arrangement of the extrusion assemblies and the corresponding stop block on the clamping platform, an operator drives the extrusion wedge block to press the pressing elastic sheet downwards to deform the pressing elastic sheet by using the extrusion driving piece, after the pressing elastic sheet is deformed, pressure is applied to the metal parts on two sides of the pressing elastic sheet, the metal parts are stably and flexibly pressed against the groove wall of the strip-shaped groove, the simultaneous clamping of the metal parts is realized, the protection of the metal parts in the clamping process is realized, the processing efficiency is improved, and the quality of the metal parts is ensured.
2. According to the invention, by means of elastic connection between the first side edge and the second side edge on the pressing elastic sheet and the bottom edge, the first side edge and the second side edge are pressed and fixed on the metal part by outward deformation after being subjected to the downward pressure of the pressing wedge block, until the metal part is processed, the pressing wedge block moves upwards to release the pressing state of the pressing elastic sheet, the first side edge and the second side edge are restored to normal states, the fixed state of the metal part is released, the adjustment of the clamping tightness state of the metal part is realized, and the clamping and the taking out of the metal part are facilitated.
Drawings
Fig. 1 is a schematic perspective view of a clamping fixture for metal part processing and a use method thereof.
Fig. 2 is a schematic exploded view of a three-dimensional structure of a clamping fixture for metal part processing and a method for using the same.
Fig. 3 is a top view of a clamping fixture for metal part processing and a method of use thereof.
Fig. 4 is a schematic three-dimensional structure diagram of a clamping platform, a stopper and an extrusion assembly of a clamping fixture for metal part processing and a using method thereof.
Fig. 5 is a schematic diagram showing a three-dimensional structure of a clamping platform, a stopper and an extrusion assembly of the clamping jig for metal part processing and the using method thereof.
Fig. 6 is a top view of a schematic three-dimensional structure of a clamping platform, a stopper and an extrusion assembly of a clamping jig for metal part processing and a using method thereof.
Fig. 7 is a perspective view of the structure at A-A of fig. 6.
Fig. 8 is a schematic perspective view of a clamping fixture for metal part processing and an extrusion assembly using the same.
Fig. 9 is a front view of a clamping jig for metal part processing and an extrusion assembly for use with the same.
Fig. 10 is an enlarged schematic view at B of fig. 7.
The reference numerals in the figures are: 1-a pneumatic rotary table; 11-a turntable; 111-clamping grooves; 12-center axis; 2-clamping a platform; 21-a bar-shaped groove; 22-clamping blocks; 3-a stop block; 31-a second fastening screw; 4-an extrusion assembly; 41-pressing the spring plate; 411-bottom edge; 412-a first side; 4121-outer flange; 4122-an inner lobe; 413-a second side; 42-pressing the wedge blocks; 43-squeeze drive; 431—a first fastening screw; 432-a cannula; 4321-internal threads; 4322 anticreep ring; 5-metal parts.
Detailed Description
The invention will be further described in detail with reference to the drawings and the detailed description below, in order to further understand the features and technical means of the invention and the specific objects and functions achieved.
Referring to fig. 1-10, a clamping jig for metal part processing and a using method thereof are provided on a pneumatic rotary table 1, a rotary table 11 is provided on the pneumatic rotary table 1, a clamping platform 2 in the shape of a disk for placing metal parts 5 is fixedly provided at the top of the rotary table 11, a central shaft 12 coaxially connected with the clamping platform 2 is provided at the center of the rotary table 11, a plurality of strip-shaped grooves 21 for placing the metal parts 5 are provided on the surface of the clamping platform 2 at equal intervals, the edge direction of the strip-shaped grooves 21 is perpendicular to the axis direction of the central shaft 12, the clamping jig comprises a plurality of stop blocks 3 arranged at the edge of each strip-shaped groove 21, the stop blocks 3 are strip-shaped, the end parts of each stop block 3 protrude into the corresponding strip-shaped groove 21 respectively, the clamping jig further comprises an extrusion assembly 4 arranged in the strip-shaped groove 21 and close to one side of each stop block 3, and each extrusion assembly 4 is positioned between two corresponding adjacent stop blocks 3 respectively.
When the metal part 5 is clamped, an operator places the metal part 5 in the strip-shaped groove 21 of the clamping platform 2, the metal part 5 is a bent hook-shaped special-shaped part, the to-be-processed surface of the metal part 5 faces upwards, the end part of the metal part 5 is abutted against the protruding part of the stop block 3, the metal part 5 is clamped between the extrusion component 4 and the groove wall of the strip-shaped groove 21, the extrusion component 4 is arranged in the strip-shaped groove 21 and is positioned between the groove walls of the two sides of the strip-shaped groove 21, a gap for the clamping of the metal part 5 is reserved between the groove wall of each side of the strip-shaped groove 21 and the extrusion component 4, therefore, the pressure is applied outwards through the extrusion component 4, the surface of the metal part 5, along with the operation of the extrusion component 4 of the operator, the metal part 5 is abutted against the groove wall of the strip-shaped groove 21, and as one extrusion component 4 is arranged between each two adjacent stop blocks 3, each extrusion component 4 can clamp and fix the two metal parts 5, and because a plurality of extrusion components 4 and the extrusion components 4 are respectively arranged in each strip-shaped groove 21 of the clamping platform 2 and are respectively arranged between the groove walls of each side of the strip-shaped groove 21 and the two stop blocks 4, and the gap can finish the machining of the metal part 5 by rotating synchronously by rotating the rotary table 5, and the rotary table 5 is correspondingly rotating the rotary table 11, and the rotary table is driven by the rotary table 5, and the rotary table is correspondingly and the rotary table is finished, and the rotary table is 5 and can finish the rotary processing of the rotary table and the rotary table device.
Referring to fig. 1-8, the pressing assembly 4 is provided with a pressing spring 41 and a pressing wedge 42, the pressing spring 41 is disposed at the bottom of the bar slot 21, gaps for clamping the metal parts 5 are reserved between two sides of the pressing spring 41 and two side slot walls of the bar slot 21, the pressing wedge 42 is connected with the pressing spring 41 in a matching manner, and a pressing driving piece 43 for driving the pressing wedge 42 to press towards the pressing spring 41 is disposed between the pressing wedge 42 and the pressing spring 41.
After the operator clamps the metal part 5 between the pressing spring 41 and the groove wall of the bar-shaped groove 21, the operator drives the pressing wedge 42 to press towards the pressing spring 41 through the pressing driving piece 43, the pressing spring 41 presses the metal part 5 after being pressed, so that the metal part 5 is firmly pressed on the groove wall of the bar-shaped groove 21 by the pressing spring 41, after the metal part 5 is placed on two sides of the pressing spring 41, the two metal parts 5 are simultaneously pressed on two side groove walls of the bar-shaped groove 21, so that the two metal parts 5 are clamped simultaneously, and the pressing of the pressing spring 41 to the metal part 5 is in a flexible pressing state due to the elastic structure of the pressing spring 41, so that the metal part 5 is protected from being damaged.
Referring to fig. 6 to 10, the pressing spring 41 is composed of a bottom edge 411 and a first side edge 412 and a second side edge 413 which are symmetrically and vertically connected to both sides of the bottom edge 411, and the first side edge 412 and the second side edge 413 are elastically connected to the bottom edge 411, and when the pressing wedge 42 is pressed down between the first side edge 412 and the second side edge 413 toward the bottom edge 411, the first side edge 412 and the second side edge 413 are in a state of moving toward the groove wall direction of the bar-shaped groove 21.
When the pressing spring 41 receives the pressing force of the pressing wedge 42, the first side edge 412 and the second side edge 413 on the pressing spring 41 gradually deform outwards during the continuous pressing process of the pressing wedge 42, the metal parts 5 on both sides of the pressing spring 41 are pressed by the first side edge 412 and the second side edge 413, one pressing spring 41 simultaneously fixes the two metal parts 5, after the end face of the metal part 5 is polished, the fixed state of the metal parts 5 is released, and because the first side edge 412 and the second side edge 413 are elastically connected with the bottom edge 411, when the pressing wedge 42 returns to the original position upwards to release the pressing effect on the pressing spring 41, the first side edge 412 and the second side edge 413 gradually return to the normal state from the deformed state, and the metal part 5 can be taken out from between the pressing spring 41 and the groove wall of the bar groove 21.
As shown in fig. 8 and 9, the outer sides of the upper ends of the first side edge 412 and the second side edge 413 of the pressing spring 41 are respectively provided with an outer flange 4121 for pressing the metal part 5.
When the first side 412 and the second side 413 of the pressing spring 41 are deformed outwards by pressure, the outer protrusions 4121 on the first side 412 and the second side 413 are respectively in contact with the surfaces of the corresponding metal parts 5, and the outer protrusions 4121 press the metal parts 5, so that the metal parts 5 are pressed against the wall surfaces of the strip-shaped grooves 21, and the contact between the outer protrusions 4121 and the metal parts 5 improves the stability of the metal parts 5 and effectively clamps the metal parts 5.
As shown in fig. 8 and 9, the inner sides of the upper ends of the first side 412 and the second side 413 of the pressing spring 41 each have an inner convex portion 4122 contacting the pressing wedge 42, and the inner surface of the inner convex portion 4122 is a slope inclined inwardly from top to bottom.
When the pressing wedge 42 is pressed between the first side edge 412 and the second side edge 413 of the pressing spring 41, the side edges of the pressing wedge 42 are in contact with the inner protrusions 4122 of the first side edge 412 and the second side edge 413, and the sliding fit between the pressing wedge 42 and the inner protrusions 4122 effectively promotes the first side edge 412 and the second side edge 413 to deform gradually outwards during the continuous pressing of the pressing wedge 42.
Referring to fig. 8 and 9, the pressing wedge 42 has an inverted trapezoid structure, the pressing wedge 42 is inserted into the pressing spring 41, and two sides of the pressing wedge 42 are respectively attached to the inclined surfaces of the inner protrusions 4122 of the first side 412 and the second side 413.
In the process of pressing the pressing wedge 42 against the elastic sheet 41, since the pressing wedge 42 has an inverted trapezoid structure, the two side steps of the pressing wedge 42 are respectively contacted with the inner protrusions 4122 of the first side 412 and the second side 413, and since the inner surfaces of the inner protrusions 4122 are inclined surfaces, the inclined surfaces of the inner protrusions 4122 are matched with the steps of the pressing wedge 42, and since the width of the upper end of the pressing wedge 42 is greater than the distance between the first side 412 and the second side 413, the pressing wedge 42 is pressed down so as to gradually spread the first side 412 and the second side 413 outwards, thereby effectively achieving the effect of pressing the metal part 5.
Referring to fig. 8 to 10, the pressing driver 43 is provided with a first fastening screw 431, a through hole is formed in the center of the pressing wedge 42 from top to bottom, an end portion of the first fastening screw 431 extends downward through the through hole, a nut of the first fastening screw 431 contacts with the top surface of the pressing wedge 42, a bottom edge 411 of the pressing spring 41 is provided with a sleeve 432 extending vertically downward through the clamping platform 2, the sleeve 432 is coaxial with the through hole on the pressing wedge 42, an inner diameter of the sleeve 432 is equal to a diameter of the first fastening screw 431, an inner thread 4321 matched with the first fastening screw 431 is formed in the sleeve 432, and an end portion of the first fastening screw 431 is connected in the sleeve 432 in a threaded manner.
When the operator drives the extrusion wedge 42 by using the extrusion driver 43, the operator screws the first fastening screw 431 inserted into the extrusion wedge 42 into the sleeve 432, and as the inner wall of the sleeve 432 has the internal thread 4321, the extrusion wedge 42 is gradually driven downward as the first fastening screw 431 is continuously screwed into the deep of the sleeve 432 until the metal part 5 is compressed and then the first fastening screw 431 is stopped, and when the metal part 5 is loosened, the first fastening screw 431 is screwed out of the sleeve 432, so that the pressing spring 41 returns to the normal state, the extrusion wedge 42 is ejected, and the fixed state of the metal part 5 is released.
Referring to fig. 8 to 10, an anti-slip ring 4322 is fixedly sleeved at the lower end of the sleeve 432, and the surface of the anti-slip ring 4322 is in contact with the bottom surface of the clamping jig.
When the pressing spring 41 is installed in the strip-shaped groove 21 of the clamping platform 2, the bottom edge 411 of the pressing spring 41 is contacted with the bottom of the groove, the sleeve 432 arranged on the bottom edge 411 is rotationally connected to the clamping platform 2, the sleeve 432 penetrates through the lower end of the clamping platform 2 and is connected through the anti-drop ring 4322, so that the clamping platform 2 is clamped between the pressing spring 41 and the anti-drop ring 4322, the state that the pressing spring 41 moves vertically relative to the clamping platform 2 is limited, and stable pressing of the pressing spring 41 to the metal part 5 is ensured.
Referring to fig. 6, 7 and 10, a bayonet into which the stopper 3 is inserted is formed on the clamping platform 2, and a second fastening screw 31 for fixing the stopper 3 to the clamping platform 2 is formed on the stopper 3.
When the stop block 3 is installed with the clamping platform 2, the stop block 3 is fixed in the bayonet of the clamping platform 2 through the second fastening screw 31, and the end part of the stop block 3 is kept in the installation state of partially protruding in the strip-shaped groove 21, so that the metal part 5 is abutted against the stop block 3, the clamping position of the metal part 5 is limited, and the stabilizing effect of the abutting elastic piece 41 on the fixing of the metal part 5 is improved.
Referring to fig. 2 and 5, clamping grooves 111 are formed on two sides of the edge of the turntable 11, and clamping blocks 22 which are clamped and matched with the clamping grooves 111 are arranged at the bottom of the clamping platform 2.
When the clamping platform 2 is fixed with the turntable 11 on the pneumatic turntable 1, the clamping block 22 on the clamping platform 2 is clamped and matched with the clamping groove 111 on the turntable 11, so that the movement state of the clamping platform 2 relative to the rotation of the turntable 11 is limited, and the clamping platform 2 and the turntable 11 are kept in a synchronous rotation state, so that the machining position of the metal part 5 by the machining equipment can be conveniently adjusted.
According to the invention, the stop block 3 is used for resisting the metal part 5, so that the position of the metal part 5 is limited at the position corresponding to the extrusion assembly 4, along with the operation of the extrusion assembly 4, the metal part 5 is pressed against the groove wall of the strip-shaped groove 21 by the extrusion assembly 4, and the clamping platform 2 is fixed with a plurality of metal parts 5 through the arrangement of the extrusion assemblies 4 and the corresponding stop blocks 3, so that the processing efficiency is improved.
The foregoing examples merely illustrate one or more embodiments of the invention, which are described in greater detail and are not to be construed as limiting the scope of the invention. It should be noted that it will be apparent to those skilled in the art that several variations and modifications can be made without departing from the spirit of the invention, which are all within the scope of the invention. Accordingly, the scope of the invention should be assessed as that of the appended claims.
Claims (4)
1. The clamping jig for machining the metal parts is arranged on a pneumatic rotary table (1), a rotary table (11) is arranged on the pneumatic rotary table (1), a clamping platform (2) which is in a disc shape and used for placing the metal parts (5) is fixedly arranged at the top of the rotary table (11), a central shaft (12) which is coaxially connected with the clamping platform (2) is arranged in the center of the rotary table (11), a plurality of strip-shaped grooves (21) in which the metal parts (5) are arranged are formed in the surface of the clamping platform (2) at equal intervals, the edge direction of each strip-shaped groove (21) is perpendicular to the axis direction of the central shaft (12), each block (3) is in a strip shape, the end part of each block (3) protrudes into the corresponding strip-shaped groove (21) respectively, each extrusion assembly (4) which is arranged in the strip-shaped groove (21) and is close to one side of each block (3) is positioned between two corresponding adjacent blocks (3) respectively;
the method is characterized in that:
and satisfies the following:
the extrusion assembly (4) and the corresponding adjacent two stop blocks (3) are in plane contact with the inner metal part (5) of the extrusion assembly;
the extrusion component (4) and the corresponding adjacent two stop blocks (3) are not arranged in a collinear way, and
the extrusion direction of the extrusion component (4) on the internal metal part (5) is perpendicular to the extrusion direction of the corresponding adjacent two stop blocks (3) on the internal metal part (5);
the extrusion assembly (4) is provided with a pressing elastic piece (41) and an extrusion wedge block (42), and the pressing elastic piece (41) is arranged at the bottom of the strip-shaped groove (21); the pressing elastic sheet (41) consists of a bottom edge (411) and a first side edge (412) and a second side edge (413) which are symmetrically and vertically connected to two sides of the bottom edge (411), wherein the first side edge (412) and the second side edge (413) are elastically connected with the bottom edge (411), and when the pressing wedge block (42) is pressed downwards between the first side edge (412) and the second side edge (413) towards the bottom edge (411), the first side edge (412) and the second side edge (413) are in a state of moving towards the groove wall direction of the strip-shaped groove (21);
gaps for clamping in the metal parts (5) are reserved between two sides of the pressing elastic piece (41) and two side groove walls of the strip-shaped groove (21), the pressing wedge block (42) is connected with the pressing elastic piece (41) in a matched mode, and a pressing driving piece (43) for driving the pressing wedge block (42) to press towards the pressing elastic piece (41) is arranged between the pressing wedge block (42) and the pressing elastic piece (41);
the extrusion driving piece (43) is provided with a first fastening screw (431), the center of the extrusion wedge block (42) is provided with a through hole from top to bottom in a penetrating way, the end part of the first fastening screw (431) penetrates through the through hole to extend downwards, a nut of the first fastening screw (431) is in contact with the top surface of the extrusion wedge block (42), the bottom edge (411) of the pressing elastic piece (41) is provided with a sleeve (432) which penetrates through the clamping platform (2) to extend downwards vertically, the sleeve (432) is coaxial with the through hole on the extrusion wedge block (42), the inner diameter of the sleeve (432) is equal to the diameter of the first fastening screw (431), the inner part of the sleeve (432) is provided with an inner thread (4321) matched with the first fastening screw (431), and the end part of the first fastening screw (431) is in threaded connection with the sleeve (432);
the lower end of the sleeve (432) is fixedly sleeved with an anti-drop ring (4322), and the surface of the anti-drop ring (4322) is contacted with the bottom surface of the clamping jig;
the clamping platform (2) is provided with a bayonet into which the stop block (3) is inserted, and the stop block (3) is provided with a second fastening screw (31) for fixing the clamping platform (2);
clamping grooves (111) are formed in two sides of the edge of the rotary table (11), and clamping blocks (22) which are matched with the clamping grooves (111) in a clamping mode are arranged at the bottom of the clamping platform (2).
2. The clamping jig for metal part machining according to claim 1, wherein the outer sides of the upper ends of the first side (412) and the second side (413) of the pressing spring piece (41) are respectively provided with an outer protrusion (4121) for pressing the metal part (5).
3. The clamping jig for metal part machining according to claim 1, wherein inner sides of upper ends of the first side edge (412) and the second side edge (413) of the pressing spring piece (41) are respectively provided with an inner convex portion (4122) which is in contact with the pressing wedge block (42), and an inner surface of the inner convex portion (4122) is an inclined surface which is inclined inwards from top to bottom.
4. A clamping jig for metal part processing according to claim 3, wherein the pressing wedge (42) has an inverted trapezoid structure, the pressing wedge (42) is inserted into the pressing spring (41), and both sides of the pressing wedge (42) are respectively attached to inclined surfaces of the inner protrusions (4122) of the first side (412) and the second side (413).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311290765.9A CN117020712B (en) | 2023-10-08 | 2023-10-08 | Clamping jig for machining metal parts and application method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311290765.9A CN117020712B (en) | 2023-10-08 | 2023-10-08 | Clamping jig for machining metal parts and application method thereof |
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| Publication Number | Publication Date |
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| CN117020712A CN117020712A (en) | 2023-11-10 |
| CN117020712B true CN117020712B (en) | 2023-12-19 |
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Citations (5)
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| CN105127793A (en) * | 2015-09-22 | 2015-12-09 | 优德精密工业（昆山）股份有限公司 | Machining jig for convex-V-type guide plate |
| CN107838722A (en) * | 2017-12-06 | 2018-03-27 | 苏州市职业大学 | A kind of multi-station clamp for micro part processing |
| CN110385462A (en) * | 2019-08-26 | 2019-10-29 | 强胜精密机械(苏州)有限公司 | A kind of outer circle part abnormity positioning drilling tool fixture and clamping method |
| CN211192898U (en) * | 2019-12-11 | 2020-08-07 | 无锡圣博爱液压气动有限公司 | Pneumatic actuator cylinder body multistation rotation type frock |
| CN111571262A (en) * | 2020-05-27 | 2020-08-25 | 常州机电职业技术学院 | Combined type is quick positioning mechanism for processing of many work pieces |
-
2023
- 2023-10-08 CN CN202311290765.9A patent/CN117020712B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105127793A (en) * | 2015-09-22 | 2015-12-09 | 优德精密工业（昆山）股份有限公司 | Machining jig for convex-V-type guide plate |
| CN107838722A (en) * | 2017-12-06 | 2018-03-27 | 苏州市职业大学 | A kind of multi-station clamp for micro part processing |
| CN110385462A (en) * | 2019-08-26 | 2019-10-29 | 强胜精密机械(苏州)有限公司 | A kind of outer circle part abnormity positioning drilling tool fixture and clamping method |
| CN211192898U (en) * | 2019-12-11 | 2020-08-07 | 无锡圣博爱液压气动有限公司 | Pneumatic actuator cylinder body multistation rotation type frock |
| CN111571262A (en) * | 2020-05-27 | 2020-08-25 | 常州机电职业技术学院 | Combined type is quick positioning mechanism for processing of many work pieces |
Also Published As
| Publication number | Publication date |
|---|---|
| CN117020712A (en) | 2023-11-10 |
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