CN212822766U - Auxiliary clamping device for disc-shaped workpiece - Google Patents
Auxiliary clamping device for disc-shaped workpiece Download PDFInfo
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- CN212822766U CN212822766U CN202021829307.XU CN202021829307U CN212822766U CN 212822766 U CN212822766 U CN 212822766U CN 202021829307 U CN202021829307 U CN 202021829307U CN 212822766 U CN212822766 U CN 212822766U
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Abstract
The utility model discloses a disc-shaped workpiece auxiliary clamping device, which comprises a disc-shaped workpiece clamping mechanism, three clamping jaw blocks are uniformly arranged on a three-jaw chuck, the three sets of disc-shaped workpiece clamping mechanisms are respectively and fixedly arranged on the three clamping jaw blocks, the disc-shaped workpiece clamping mechanism comprises a clamping block mounting seat, a clamping block and a clamping block fixing component, the clamping block mounting seat is fixedly arranged on the clamping jaw blocks, the clamping blocks are fixed on the clamping block mounting seat through the clamping block fixing component in an inserting way, and clamping cambered surfaces are arranged on the clamping blocks. The clamping blocks can be conveniently replaced, and the clamping requirements of disc-shaped workpieces of different models and sizes are met.
Description
Technical Field
The utility model belongs to the technical field of the machining auxiliary fixtures device technique and specifically relates to a clamping device is assisted to disc work piece.
Background
Three-jaw chuck is a common machining clamping equipment, because of its centre gripping is reliable, receive the wide application, three-jaw chuck's block width is less for the card, consequently its centre gripping area of contact is little, the clamp force is big, some disc work pieces, disc body lateral wall surface has been processed completely, and disc body lateral wall is thinner, if adopt three-jaw chuck to come direct centre gripping this type of work piece, damage disc body lateral wall surface easily, leave the centre gripping seal of a government organization in old china, even the clamping-force is too big, when the lateral wall is very thin, can cause the sunken deformation of lateral wall, become the waste product.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome above-mentioned prior art not enough, provide a disc work piece auxiliary clamping device.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
the utility model provides a clamping device is assisted to disk work piece installs on three-jaw chuck, including disk work piece clamping mechanism, three jack catch piece, three sets are installed to the equipartition on the three-jaw chuck disk work piece clamping mechanism is fixed mounting respectively on three jack catch piece, utilizes the motion of jack catch piece drives disk work piece clamping mechanism and carries out the centre gripping operation, disk work piece clamping mechanism is including pressing from both sides tight piece mount pad, pressing from both sides tight piece fixed subassembly, press from both sides tight piece mount pad fixed mounting on the jack catch piece, press from both sides tight piece and fix on pressing from both sides tight piece mount pad through pressing from both sides tight piece fixed subassembly cartridge, it presss from both sides tight cambered surface to be equipped with on the tight piece, press from both sides.
The clamping block mounting seat is inserted on the clamping jaw block through the mounting seat slot, and the clamping block mounting seat is fixedly connected with the clamping jaw block through bolts.
The clamping block fixing component comprises a screw and an adjusting pad, wherein a tensioning convex disc is welded at one end of the screw, a straight groove is formed in the tensioning convex disc, a screw mounting hole is formed in the clamping block, the diameter of an opening of the screw mounting hole is matched with the outer diameter of the tensioning convex disc, the adjusting pad is installed on the screw, the outer diameter of the adjusting pad is consistent with the outer diameter of the tensioning convex disc, the adjusting pad is installed tightly against the tensioning convex disc, the screw is installed in the screw mounting hole through a threaded end, the threaded end of the screw penetrates through the clamping block and is connected to the clamping block mounting seat in a threaded manner, the threaded end of the screw extends towards the outer side of the clamping block mounting seat and is provided with a clamping nut in a threaded manner, And the clamping nut and the rotating handle are mutually attached and screwed down.
The utility model has the advantages that: the utility model discloses it is rational in infrastructure, can install fast on the piece is grabbed to the card under the condition that does not destroy the original structure of three-jaw chuck, utilized the original clamping-force of three-jaw chuck to realize pressing from both sides tight operation, the centre gripping is reliable, firm, the utility model discloses a press from both sides tight cambered surface of tight piece design with big contact surface, effectively ensured that the disc work piece lateral wall does not receive the damage in the centre gripping, the change that the tight piece of clamp can be convenient satisfies the centre gripping demand of the disc work piece of different model sizes.
Drawings
FIG. 1 is a front view of the present invention;
FIG. 2 is a sectional view of the disk-shaped workpiece clamping mechanism of the present invention;
FIG. 3 is an exploded view of the clamping block securing assembly of the present invention;
fig. 4 is a three-dimensional structure diagram of the clamp block mounting base of the present invention.
In the figure: the three-jaw chuck comprises a three-jaw chuck 1, a jaw block 11, a disc-shaped workpiece clamping mechanism 2, a clamping block mounting seat 21, a mounting seat insertion groove 211, an insertion plate mounting hole 212, a clamping block 22, a clamping arc surface 221, a clamping block insertion plate 222, a screw mounting hole 223, a clamping block fixing assembly 23, a screw 231, a tensioning convex disc 232, a straight groove 2321, an adjusting pad 233, a clamping nut 234 and a rotating handle 235.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments, wherein the descriptions of "left", "right", etc. in the present invention all refer to fig. 1 as the reference direction:
as shown in fig. 1 to 4, a disc-shaped workpiece auxiliary clamping device is installed on a three-jaw chuck 1, and comprises a disc-shaped workpiece clamping mechanism 2, three jaw blocks 11 are uniformly installed on the three-jaw chuck 1, three sets of disc-shaped workpiece clamping mechanisms 2 are respectively and fixedly installed on the three jaw blocks 11, the disc-shaped workpiece clamping mechanism 2 is driven to perform clamping operation by using the movement of the jaw blocks 11, the utility model can be quickly installed on the jaw blocks 11 without destroying the original structure of the three-jaw chuck 1, and the clamping operation is realized by using the original clamping force of the three-jaw chuck 1, the disc-shaped workpiece clamping mechanism 2 comprises a clamping block installation seat 21, a clamping block 22 and a clamping block fixing component 23, the clamping block installation seat 21 is fixedly installed on the jaw blocks 11, the clamping block 22 is fixed on the clamping block installation seat 21 through the clamping block fixing component 23, a clamping arc surface 221 is arranged on the clamping block 22, press from both sides tight cambered surface 221 and disc work piece lateral wall shape phase-match, press from both sides tight cambered surface 221 and enlarged the tight contact surface of clamp, the atress area grow, can effectively share clamping pressure, the protection disc work piece lateral wall is not damaged, press from both sides tight piece mount pad 2 and adopted quick assembly disassembly structural design, make disc work piece clamping mechanism 2 can install fast and dismantle, can satisfy the centre gripping of disc work piece, do not influence the centre gripping processing of other work pieces yet, press from both sides tight piece 22 and also adopt quick assembly disassembly structural design, the centre gripping demand that can satisfy the disc work piece of different model sizes through changing tight piece 22 of clamp, the utility model discloses though use on three-jaw chuck 1, nevertheless not only be limited to three-jaw chuck 1, also be applicable on other multi-jaw chucks, increase and decrease disc work piece clamping mechanism 2 installation quantity according to 11 quantity.
The bottom of the clamping block mounting seat 21 is provided with a mounting seat slot 211, the slot size of the mounting seat slot 211 is matched with that of the jaw block 11, the clamping block mounting seat 21 is inserted in the jaw block 11 through the mounting seat slot 211, the clamping block mounting seat 21 and the jaw block 11 are fixedly connected through bolts, the mounting seat slot 211 adopts a non-front-back through slot design, the slot depth of the mounting seat slot 211 of all the clamping block mounting seats 21 is kept consistent, and the positions of all the clamping block mounting seats 21 on all the jaw blocks 11 are kept consistent.
The end face of the side of the clamping block mounting seat 21 is provided with an insertion plate mounting hole 212, the clamping block 22 is connected with a clamping block insertion plate 222, the shape and size of the clamping block insertion plate 222 are matched with the insertion plate mounting hole 212, the clamping block 22 is inserted on the clamping block mounting seat 21 through the clamping block insertion plate 222, the clamping block fixing component 23 comprises a screw 231 and an adjusting pad 233, one end of the screw 231 is welded with a tensioning convex disc 232 which is a tensioning end, the other end of the screw 231 is a threaded end, the tensioning convex disc 232 is provided with a straight groove 2321, when the screw 231 is mounted, the screw 231 can be screwed through the straight groove 2321, so that the screw 231 is in threaded connection with the clamping block mounting seat 21, the threaded end of the screw can be exposed to the outer side of the clamping block mounting seat 21, a clamping nut 234 and a rotating handle 235 are conveniently mounted, the clamping block 22 is provided with a screw mounting hole 223, the diameter of the screw mounting hole 223 is matched with the outer diameter of the, the outer diameter of the adjusting pad 233 is consistent with that of the tightening convex disc 232, the adjusting pad 233 is tightly attached to the tightening convex disc 232, the screw 231 is installed in the screw installation hole 223 through the threaded end, the threaded end of the screw 231 penetrates through the clamping block 22 and is in threaded connection with the clamping block installation seat 21, the threaded end of the screw 231 extends towards the outer side of the clamping block installation seat 21 and is provided with the clamping nut 234 and the rotating handle 235 through threads, the clamping nut 234 and the rotating handle 235 are mutually attached and screwed, the shapes of all the clamping blocks 22 are consistent, the opening depths of the insertion plate installation holes 212 on all the clamping block installation seats 21 are also consistent, thus after the clamping blocks 22 are inserted and fixed on the clamping block installation seat 21, the installation positions of all the clamping blocks 22 are consistent, the clamping arc surfaces 221 of all the clamping blocks 22 are located on the same circumference, thus the clamping stability can be maintained, and a local false clamping condition can not occur, the clamping nut 234 and the rotating handle 235 are mutually reversely screwed and tightened on the screw 231, so that the rotating handle 235 is fixed on the screw 231, the screw 231 can be driven to rotate by screwing the rotating handle 235, the screw 231 is outwards rotated, the clamping block 22 can be gradually inserted into the mounting hole 212 of the mounting plate by pulling the convex disc 232 until the rotating handle 235 cannot be screwed, the clamping block 22 is completely inserted in place, the adjusting pad 233 plays a role in adjusting machining errors, the clamping arc surface 221 can be ensured to be completely attached to a workpiece, the phenomenon of virtual clamping is prevented, and the adjusting pads 233 with different thicknesses and numbers are additionally arranged to offset the errors according to error conditions discovered during preliminary mounting.
The above description is only for the preferred embodiment of the present invention, and is not intended to limit the present invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included within the protection scope of the present invention.
Claims (3)
1. The utility model provides a clamping device is assisted to disk work piece, installs on three-jaw chuck (1), includes disk work piece clamping mechanism (2), its characterized in that: three jack catch piece (11), three sets are installed to the equipartition on three-jaw chuck (1) disc work piece clamping mechanism (2) fixed mounting respectively on three jack catch piece (11), utilize the motion of jack catch piece (11) drives disc work piece clamping mechanism (2) and carries out the centre gripping operation, disc work piece clamping mechanism (2) are including pressing from both sides tight piece mount pad (21), pressing from both sides tight piece (22), pressing from both sides tight piece fixed component (23), press from both sides tight piece mount pad (21) fixed mounting on jack catch piece (11), press from both sides tight piece (22) and fix on pressing from both sides tight piece mount pad (21) through pressing from both sides tight piece fixed component (23) cartridge, be equipped with on pressing from both sides tight cambered surface (221) pressing from both sides tight piece (22), press from both sides tight cambered surface (221) and disc work piece lateral wall shape phase.
2. A disc-shaped workpiece auxiliary clamping device as claimed in claim 1, wherein: the clamping block mounting seat is characterized in that a mounting seat slot (211) is formed in the bottom of the clamping block mounting seat (21), the groove size of the mounting seat slot (211) is matched with that of the jaw block (11), the clamping block mounting seat (21) is inserted into the jaw block (11) through the mounting seat slot (211), and the clamping block mounting seat (21) and the jaw block (11) are fixedly connected through bolts.
3. A disc-shaped workpiece auxiliary clamping device as claimed in claim 1, wherein: the clamping block fixing component (23) comprises a screw rod (231) and an adjusting pad (233), one end of the screw rod (231) is welded with a tensioning convex disc (232), a straight groove (2321) is formed in the tensioning convex disc (232), the clamping block (22) is provided with a screw rod mounting hole (223), the diameter of the opening of the screw rod mounting hole (223) is matched with the outer diameter of the tensioning convex disc (232), the adjusting pad (233) is sleeved on the screw rod (231), the outer diameter of the adjusting pad (233) is consistent with the outer diameter of the tensioning convex disc (232), the adjusting pad (233) is tightly attached to the tensioning convex disc (232), the screw (231) is installed in the screw installation hole (223) through the threaded end, the threaded end of the screw (231) penetrates through the clamping block (22) and is connected to the clamping block installation seat (21) in a threaded mode, the threaded end of the screw (231) extends towards the outer side of the clamping block installation seat (21) and is provided with the clamping nut (234) and the rotating handle (235) in a threaded mode, and the clamping nut (234) and the rotating handle (235) are mutually attached and screwed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829307.XU CN212822766U (en) | 2020-08-27 | 2020-08-27 | Auxiliary clamping device for disc-shaped workpiece |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021829307.XU CN212822766U (en) | 2020-08-27 | 2020-08-27 | Auxiliary clamping device for disc-shaped workpiece |
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| Publication Number | Publication Date |
|---|---|
| CN212822766U true CN212822766U (en) | 2021-03-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021829307.XU Active CN212822766U (en) | 2020-08-27 | 2020-08-27 | Auxiliary clamping device for disc-shaped workpiece |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247819A (en) * | 2021-12-22 | 2022-03-29 | 重庆歇马机械曲轴有限公司 | Crank oil thrower disc press-fitting and edge riveting tool |
-
2020
- 2020-08-27 CN CN202021829307.XU patent/CN212822766U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114247819A (en) * | 2021-12-22 | 2022-03-29 | 重庆歇马机械曲轴有限公司 | Crank oil thrower disc press-fitting and edge riveting tool |
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