CN211916197U - Fixed mechanical fixture for machining - Google Patents
Fixed mechanical fixture for machining Download PDFInfo
- Publication number
- CN211916197U CN211916197U CN202020598914.3U CN202020598914U CN211916197U CN 211916197 U CN211916197 U CN 211916197U CN 202020598914 U CN202020598914 U CN 202020598914U CN 211916197 U CN211916197 U CN 211916197U
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- CN
- China
- Prior art keywords
- fixedly connected
- centre gripping
- side wall
- cylindrical workpiece
- clamping
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- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a fixed mechanical fixture for machining, which comprises a base, be equipped with the spacing groove on the upper end lateral wall of base, be equipped with four lower chucking mechanisms, four around its circumference equidistant on the spacing groove chucking mechanism all includes chucking piece and two springs down, the C shape frame of two mutual symmetries of fixedly connected with on the upper end lateral wall of base, two equal fixedly connected with first electric jar on the C shape frame. The utility model discloses chucking mechanism, centre gripping arc board and pressing solid board many sides carry out the centre gripping fixedly under the accessible to cylindrical workpiece, and cylindrical workpiece is fixed to the follow arc side that its centre gripping arc board can be fine, and the centre gripping is firm, avoids taking place to remove the product quality and the precision problem that lead to because of the centre gripping is not tight, and conveniently dismantles and change the centre gripping arc board to the cylindrical workpiece of different footpath length is held in the centre gripping, and it is very convenient quick to dismantle the change, and the suitability is wider, has more the practicality.
Description
Technical Field
The utility model relates to a machining anchor clamps technical field especially relates to a fixed machinery anchor clamps for machining.
Background
Machining refers to a process of changing the overall dimension or performance of a workpiece through a mechanical device, and can be divided into cutting machining and pressure machining according to differences in machining modes, but no matter the cutting machining or the pressure machining, a mechanical fixture is required to clamp and fix the machined workpiece, so that the workpiece is conveniently machined, at present, the axial surface of the cylindrical workpiece is often required to be machined such as a drill groove, and the arc-shaped side edge of the cylindrical workpiece is required to be fixed.
The clamping face of some existing fixed mechanical clamps for machining is a flat face, a cylindrical workpiece cannot be well fixed from an arc-shaped side edge, the clamping is unstable, the product quality and the precision are prone to being caused, and the clamps are inconvenient to disassemble and replace so as to clamp the cylindrical workpieces with different diameters.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the shortcoming that exists among the prior art, and the fixed mechanical fixture for machining who proposes, chucking mechanism under its accessible, the centre gripping arc board carries out the centre gripping with pressing solid board many ways to cylindrical workpiece fixed, cylindrical workpiece is fixed from the arc side that its centre gripping arc board can be fine, the centre gripping is firm, avoid taking place to remove product quality and the precision problem that leads to because of the centre gripping is not tight, and conveniently dismantle and change the centre gripping arc board, so that the cylindrical workpiece of different footpath length is held to the clamp, it is very convenient quick to dismantle and change, the suitability is wider, have more the practicality.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a fixed mechanical clamp for machining comprises a base, a limiting groove is arranged on the side wall of the upper end of the base, four lower clamping mechanisms are arranged on the limiting groove at equal intervals around the circumference of the limiting groove, each lower clamping mechanism comprises a clamping sheet and two springs, two mutually symmetrical C-shaped frames are fixedly connected on the side wall of the upper end of the base, first electric cylinders are fixedly connected on the two C-shaped frames, the tail ends of output shafts of the two first electric cylinders are detachably connected with clamping arc plates through a magnetic suction insertion mechanism, the magnetic suction insertion mechanism comprises a connecting block, an inserting groove, a permanent magnet and an iron inserting block, wherein two second electric cylinders are arranged on the C-shaped frame, the tail ends of output shafts of the second electric cylinders are fixedly connected with a pressing plate, sleeves are fixedly connected to the side walls of the upper ends of the second electric cylinders, and the sleeves are sleeved on the C-shaped frame in a sliding mode.
Preferably, the inner wall of the limiting groove is provided with a groove corresponding to the position of the spring, one end of the spring is fixedly connected with the inner wall of the groove, and the other end of the spring is fixedly connected with the side wall of the clamping piece.
Preferably, the connecting block is fixedly connected with the tail end of the output shaft of the first electric cylinder, and the iron insert block is fixedly connected with the side wall of the clamping arc plate.
Preferably, the slot is arranged on the side wall of the upper end of the connecting block, the slot corresponds to the iron insertion block in position, and the iron insertion block is slidably connected with the slot and abutted against the slot.
Preferably, the permanent magnet is fixedly connected with the inner wall of the lower end of the slot, and the iron insertion block is located on the side wall of the lower end of the slot and is in contact with the side wall of the upper end of the permanent magnet in an abutting mode.
Preferably, a fastening bolt penetrates through and is in threaded connection with the side wall of the sleeve.
The utility model discloses following beneficial effect has:
1. through setting up spacing groove and lower chucking mechanism, the spacing groove is used for placing cylindrical workpiece, and lower chucking mechanism is used for realizing preliminary spacing centre gripping to cylindrical workpiece at the spacing inslot, inserts when cylindrical workpiece and establishes and place behind the spacing inslot, and four chucking pieces all carry out the centre gripping to cylindrical workpiece from circumference through two springs.
2. Through setting up C shape frame, first electric jar, magnetism is inhaled and is inserted even mechanism and centre gripping arc board, insert when cylindrical workpiece and establish and place after the preliminary centre gripping of chucking mechanism under the spacing inslot, control starts first electric jar, first electric jar can drive centre gripping arc board and remove towards cylindrical workpiece, thereby can be fine fix cylindrical workpiece from the arc side, and simultaneously, conveniently dismantle and change the centre gripping arc board, only need manual lifting to take up the centre gripping arc board during the dismantlement, make indisputable inserted block and permanent magnet separation, and make it break away from the slot on the connecting block can, then change the centre gripping arc board of the footpath length specification that is fit for, insert the indisputable inserted block in the slot and by the permanent magnet catch can, so that the cylindrical workpiece of different footpath lengths is held, it is very convenient quick to dismantle the change, the suitability is wider, have more the practicality.
3. Through setting up the second electric cylinder, pressing solid board, sleeve and fastening bolt, after cylindrical workpiece was held by the centre gripping arc board centre gripping, steerable second electric cylinder that starts, the second electric cylinder can drive and press solid board to remove to can follow the top and push down cylindrical workpiece fixedly, make cylindrical workpiece more firm by fixed ground, avoid taking place to remove product quality and the precision problem that leads to because of the centre gripping is tight.
To sum up, the utility model discloses chucking mechanism, centre gripping arc board and solid board many sides carry out the centre gripping fixedly in the face of cylindrical workpiece under the accessible, and cylindrical workpiece is fixed from the arc side to its centre gripping arc board can be fine, and the centre gripping is firm, avoids taking place to remove product quality and the precision problem that leads to because of the centre gripping is not tight, and conveniently dismantles and changes the centre gripping arc board to the cylindrical workpiece of different footpath lengths is held in the centre gripping, dismantles to change very convenient quick, and the suitability is wider, has more the practicality.
Drawings
Fig. 1 is a schematic structural view of a fixed mechanical fixture for machining according to the present invention;
FIG. 2 is an enlarged view of the structure at A in FIG. 1;
fig. 3 is the utility model provides a fixed mechanical fixture's for machining structural schematic.
In the figure: the device comprises a base 1, a limiting groove 2, a lower clamping mechanism 3, a clamping piece 31, a groove 32, a spring 33, a 4C-shaped frame, a first electric cylinder 5, a magnetic suction insertion connecting mechanism 6, a connecting block 61, a slot 62, a permanent magnet 63, an iron insertion block 64, a clamping arc plate 7, a second electric cylinder 8, a pressing plate 9, a sleeve 10 and a fastening bolt 11.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.
Referring to fig. 1-3, a fixed mechanical fixture for machining comprises a base 1, a limiting groove 2 is arranged on the upper end side wall of the base 1, four lower clamping mechanisms 3 are arranged on the limiting groove 2 at equal intervals around the circumference, each of the four lower clamping mechanisms 3 comprises a clamping sheet 31 and two springs 33, a groove 32 corresponding to the position of each spring 33 is arranged on the inner wall of the limiting groove 2, one end of each spring 33 is fixedly connected with the inner wall of the corresponding groove 32, the other end of each spring 33 is fixedly connected with the side wall of the corresponding clamping sheet 31, by arranging the limiting groove 2 and the lower clamping mechanism 3, the limiting groove 2 is used for placing the cylindrical workpiece, the lower clamping mechanism 3 is used for realizing primary limiting and clamping on the cylindrical workpiece in the limiting groove 2, after the cylindrical workpiece is inserted and placed in the limiting groove 2, the four clamping pieces 31 clamp the cylindrical workpiece from the circumferential direction through the two springs 33.
Wherein, two mutually symmetrical C-shaped frames 4 are fixedly connected on the side wall of the upper end of the base 1, the two C-shaped frames 4 are both fixedly connected with first electric cylinders 5, the tail ends of the output shafts of the two first electric cylinders 5 are both detachably connected with clamping arc plates 7 through magnetic suction insertion connecting mechanisms 6, the clamping arc plates 7 are arranged in an arc shape, the clamping arc plates 7 have various specifications with different diameters and lengths so as to be suitable for clamping cylindrical workpieces with different diameters, the magnetic suction insertion connecting mechanisms 6 comprise connecting blocks 61, slots 62, permanent magnets 63 and iron insertion blocks 64, the connecting blocks 61 are fixedly connected with the tail ends of the output shafts of the first electric cylinders 5, the iron insertion blocks 64 are fixedly connected with the side wall of the clamping arc plates 7, the slots 62 are arranged on the side wall of the upper end of the connecting blocks 61, the slots 62 correspond to the positions of the iron insertion blocks 64, the iron insertion blocks 64 are in sliding connection and are abutted against the slots 62, the permanent magnets 63 are fixedly connected, the iron insert block 64 is positioned at the lower end side wall of the slot 62 part and is abutted against the upper end side wall of the permanent magnet 63, the permanent magnet 63 can generate magnetic attraction force on the iron insert block 64, which is favorable for fixing, when a cylindrical workpiece is inserted and placed in the limiting groove 2 and is preliminarily clamped by the lower clamping mechanism 3, the first electric cylinder 5 is controlled to be started, the first electric cylinder 5 can drive the clamping arc plate 7 to move towards the cylindrical workpiece, so that the cylindrical workpiece can be well fixed from the arc side edge, meanwhile, the clamping arc plate 7 is convenient to disassemble and replace, only the clamping arc plate 7 needs to be manually lifted up during disassembly, the iron insert block 64 is separated from the permanent magnet 63 and is separated from the slot 62 on the connecting block 61, then the clamping arc plate 7 with a proper diameter and length specification is replaced, the iron insert block 64 is inserted into the slot 62 and is absorbed by the permanent magnet 63, so as to clamp cylindrical workpieces with different diameters, the disassembly and the replacement are very convenient and quick, the applicability is wider, and the practicability is higher.
Wherein, all be equipped with two second electricity jars 8 on two C shape framves 4, the equal fixed connection of the end of the 8 output shafts of two second electricity jars has the pressure solid board 9, equal fixedly connected with sleeve 10 on the upper end lateral wall of two second electricity jars 8, sleeve 10 slides and cup joints on C shape frame 4, run through and threaded connection has fastening bolt 11 on the lateral wall of sleeve 10, through setting up second electricity jar 8, pressure solid board 9, sleeve 10 and fastening bolt 11, after cylindrical workpiece is held by centre gripping arc board 7, steerable start second electricity jar 8, second electricity jar 8 can drive pressure solid board 9 and remove, thereby can follow the top and push down fixedly to cylindrical workpiece, make cylindrical workpiece more firm with fixed, avoid taking place to remove the product quality and the precision problem that lead to because of the centre gripping is not tight.
In the utility model, when in use, a cylindrical workpiece is manually inserted and placed in the limiting groove 2, the four clamping sheets 31 are used for clamping the cylindrical workpiece from the circumferential direction through the two springs 33, then the first electric cylinder 5 is controlled to be started, the first electric cylinder 5 can drive the clamping arc plate 7 to move towards the cylindrical workpiece, thereby the cylindrical workpiece can be well fixed from the arc side edge, the second electric cylinder 8 is controlled to be started, the second electric cylinder 8 can drive the clamping plate 9 to move, thereby the cylindrical workpiece can be pressed and fixed from the upper part, the cylindrical workpiece is fixed more stably, the product quality and precision problems caused by movement due to loose clamping are avoided, in the using process, the clamping arc plate 7 is convenient to be disassembled and replaced, only the clamping arc plate 7 needs to be manually lifted up during disassembly, the iron insertion block 64 is separated from the permanent magnet 63, and is separated from the insertion groove 62 on the connecting block 61, then the clamping arc plate 7 with the suitable diameter and length specification is replaced, the iron insert block 64 is inserted into the slot 62 and is sucked by the permanent magnet 63, so that cylindrical workpieces with different diameters can be clamped, the disassembly and replacement are very convenient and quick, the applicability is wider, and the practicability is higher.
The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.
Claims (6)
1. A fixed mechanical fixture for machining comprises a base (1) and is characterized in that a limiting groove (2) is formed in the side wall of the upper end of the base (1), four lower clamping mechanisms (3) are arranged on the limiting groove (2) at equal intervals around the circumference of the limiting groove, each of the four lower clamping mechanisms (3) comprises a clamping sheet (31) and two springs (33), two C-shaped frames (4) which are mutually symmetrical are fixedly connected to the side wall of the upper end of the base (1), first electric cylinders (5) are fixedly connected to the two C-shaped frames (4), clamping arc plates (7) are detachably connected to the tail ends of output shafts of the two first electric cylinders (5) through magnetic attraction insertion mechanisms (6), each magnetic attraction insertion mechanism (6) comprises a connecting block (61), an inserting groove (62), a permanent magnet (63) and an iron insertion block (64), two second electric cylinders (8) are arranged on the two C-shaped frames (4), the tail ends of the output shafts of the two second electric cylinders (8) are fixedly connected with a compression plate (9), the side walls of the upper ends of the two second electric cylinders (8) are fixedly connected with sleeves (10), and the sleeves (10) are sleeved on the C-shaped frame (4) in a sliding mode.
2. The fixed mechanical fixture for machining according to claim 1, wherein a groove (32) corresponding to the position of the spring (33) is formed in the inner wall of the limiting groove (2), one end of the spring (33) is fixedly connected with the inner wall of the groove (32), and the other end of the spring (33) is fixedly connected with the side wall of the clamping sheet (31).
3. A fixed mechanical fixture for machining according to claim 1, wherein the connecting block (61) is fixedly connected with the tail end of the output shaft of the first electric cylinder (5), and the iron insert block (64) is fixedly connected with the side wall of the clamping arc plate (7).
4. A fixed mechanical fixture for machining according to claim 1, wherein the slot (62) is disposed on the upper end side wall of the connecting block (61), the slot (62) corresponds to the position of the iron insert block (64), and the iron insert block (64) is slidably connected with and abutted against the slot (62).
5. A fixed mechanical fixture for machining according to claim 1, wherein the permanent magnet (63) is fixedly connected with the inner wall of the lower end of the slot (62), and the iron insert block (64) is located on the lower end side wall of the slot (62) and is in contact with the upper end side wall of the permanent magnet (63) in an abutting manner.
6. A stationary mechanical clamp for machining according to claim 1, characterized in that fastening bolts (11) are inserted and screwed into the side walls of said sleeve (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598914.3U CN211916197U (en) | 2020-04-20 | 2020-04-20 | Fixed mechanical fixture for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020598914.3U CN211916197U (en) | 2020-04-20 | 2020-04-20 | Fixed mechanical fixture for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211916197U true CN211916197U (en) | 2020-11-13 |
Family
ID=73327948
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020598914.3U Expired - Fee Related CN211916197U (en) | 2020-04-20 | 2020-04-20 | Fixed mechanical fixture for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211916197U (en) |
-
2020
- 2020-04-20 CN CN202020598914.3U patent/CN211916197U/en not_active Expired - Fee Related
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20201113 Termination date: 20210420 |