CN216138519U - Rapid clamping device for machining - Google Patents
Rapid clamping device for machining Download PDFInfo
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- CN216138519U CN216138519U CN202121882756.5U CN202121882756U CN216138519U CN 216138519 U CN216138519 U CN 216138519U CN 202121882756 U CN202121882756 U CN 202121882756U CN 216138519 U CN216138519 U CN 216138519U
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- pull rod
- arc
- clamping device
- mounting groove
- shaped surface
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Abstract
The utility model provides a quick clamping device for machining. Quick clamping device for machining includes: the support is fixedly arranged at the bottom of the base; the mounting groove is formed in the base; the mounting hole is formed in the top of the mounting groove; the fixing mechanism comprises a pull rod, the pull rod is arranged in the mounting groove, the pull rod penetrates through the bottom of the mounting groove and is in sliding connection with the base, four locking components are arranged at the top of the pull rod, and the four locking components are distributed in an annular array; the locking member includes a carrier rod. According to the rapid clamping device for machining, provided by the utility model, the fixing mechanism comprising the four locking components distributed in the annular array is arranged, so that the workpiece can be automatically aligned, a large amount of calibration time is saved, the clamping speed of the workpiece is high, and the production efficiency is improved to a certain extent.
Description
Technical Field
The utility model relates to the technical field of clamping device manufacturing, in particular to a rapid clamping device for machining.
Background
In the process of machining a large-sized disc, a vertical machine tool is generally used for machining due to large size, and the vertical machining has the machining capacity of a workpiece with larger size and strong machining capacity on large-sized parts.
When the existing vertical machine tool is used for processing workpieces with center holes, such as large-size gears and the like, the positioning columns are generally adopted for positioning, clamping processing can be carried out after manual or machine calibration, and the clamping speed is low.
Therefore, it is necessary to provide a quick clamping device for machining to solve the above technical problems.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a quick clamping device for machining.
In order to solve the technical problem, the utility model provides a quick clamping device for machining, which comprises: the support is fixedly arranged at the bottom of the base; the mounting groove is formed in the base; the mounting hole is formed in the top of the mounting groove; the fixing mechanism comprises a pull rod, the pull rod is arranged in the mounting groove, the pull rod penetrates through the bottom of the mounting groove and is in sliding connection with the base, four locking components are arranged at the top of the pull rod, and the four locking components are distributed in an annular array; the locking part comprises an ejector rod, the bottom of the ejector rod is rotatably connected with the pull rod, connecting rods are rotatably mounted on two sides of the ejector rod, the other ends of the connecting rods are rotatably connected with the inner wall of the mounting groove, and the top of the ejector rod extends to the outside of the mounting hole.
Preferably, one side of the ejector rod is provided with a fixed block, the fixed block is provided with two counter bores, the ejector rod is provided with two thread grooves, two screws are installed in the two counter bores, and the first screw extends into the corresponding thread groove and is in threaded connection with the thread groove.
Preferably, the ejector rod is provided with a first arc-shaped surface, one side of the fixing block is provided with a second arc-shaped surface, and the first arc-shaped surface is matched with the second arc-shaped surface.
Preferably, one side of the fixed block is provided with a third arc-shaped surface and a fourth arc-shaped surface, and the third arc-shaped surface is a conical arc surface.
Preferably, the bottom fixed mounting of pull rod has the connecting plate, the top of connecting plate is equipped with two electric putter, electric putter's top and bottom respectively with the connecting plate with the bottom fixed connection of base.
Preferably, a guide cylinder is arranged on the pull rod, the pull rod is matched with the guide cylinder, and the bottom of the guide cylinder is fixedly connected with the bottom of the mounting groove.
Compared with the prior art, the quick clamping device for machining provided by the utility model has the following beneficial effects:
(1) the workpiece can be automatically aligned by arranging the fixing mechanism comprising four locking components distributed in an annular array, a large amount of calibration time is saved, the clamping speed of the workpiece is high, and the production efficiency is improved to a certain extent.
(2) Through setting up fixed block and screw, the work piece centre bore size that can be based on, to the expansion of ejector pin, reach the needs that can carry out the clamping.
(3) And through the second arc-shaped surface provided with the first arc-shaped surface and the matched second arc-shaped surface, the gap is smaller when the ejector rod and the fixed block are installed, the strength is higher, and the precision is higher.
(4) Through the third arc-shaped surface and the fourth arc-shaped surface which are provided with the conical arc surfaces, the fixed block can be more smooth when descending in the clamping process.
(5) Through setting up connecting plate and two electric putter, the lift of drive pull rod that can make things convenient for laborsaving.
(6) Through setting up the guide cylinder, can strengthen the lift directionality of pull rod, make the pull rod more stable when removing.
Drawings
FIG. 1 is a schematic structural view of a quick clamping device for machining according to the present invention;
FIG. 2 is an enlarged view of portion A of FIG. 1;
FIG. 3 is an enlarged view of portion B of FIG. 1;
FIG. 4 is a schematic structural diagram of a fixing block in the quick clamping device for machining shown in FIG. 1;
fig. 5 is a schematic structural view of the ejector rod in the quick clamping device for machining shown in fig. 1.
Reference numbers in the figures: 1. the base, 2, support, 3, mounting groove, 4, pull rod, 5, ejector pin, 6, connecting rod, 7, connecting plate, 8, electric putter, 9, mounting hole, 10, fixed block, 11, first arcwall face, 12, second arcwall face, 13, counter bore, 14, thread groove, 15, screw, 16, third arcwall face, 17, guide cylinder, 18, fourth arcwall face.
Detailed Description
The utility model is further described with reference to the following figures and embodiments.
Referring to fig. 1, fig. 2, and fig. 3, in an embodiment of the present invention, a quick clamping device for machining includes: the device comprises a base 1, a bracket 2 and a fixing mechanism, wherein the bracket 2 is fixedly arranged at the bottom of the base 1; the mounting groove 3 is formed in the base 1; the mounting hole 9 is formed in the top of the mounting groove 3, and the mounting hole 9 is formed in the top of the mounting groove 3; the fixing mechanism comprises a pull rod 4, the pull rod 4 is arranged in the mounting groove 3, the pull rod 4 penetrates through the bottom of the mounting groove 3 and is in sliding connection with the base 1, four locking components are arranged at the top of the pull rod 4, and the four locking components are distributed in an annular array; the locking part comprises ejector rods 5, the bottoms of the ejector rods 5 are rotatably connected with the pull rods 4, connecting rods 6 are rotatably mounted on two sides of the ejector rods 5, the other ends of the connecting rods 6 are rotatably connected with the inner wall of the mounting groove 3, the tops of the ejector rods 5 extend out of the mounting holes 9, when the locking part is used, a workpiece is placed at the top of the fixing seat 1, the four ejector rods 5 penetrate through center holes of the workpiece, the pull rods 4 are pulled to descend, the pull rods 4 descend to drive the connecting rods 6 to rotate and descend, meanwhile, the pull rods 4 descend to drive the ejector rods 5 to descend, the upper portions of the ejector rods 5 rotate outwards under the action of the connecting rods 6, and the centers of the workpiece are aligned when the outer sides of the four ejector rods 5 move uniformly.
Through setting up the fixed establishment including four locking part that are the annular array and distribute, can save a large amount of alignment time with the automatic alignment of work piece, the clamping of work piece is fast, has improved production efficiency to a certain extent.
As shown in fig. 3, 4 and 5, a fixing block 10 is disposed on one side of the ejector rod 5, the fixing block 10 is provided with two counter bores 13, the ejector rod 5 is provided with two thread grooves 14, two screws 15 are mounted in the two counter bores 13, a first of the two screws 15 extends into the corresponding thread groove 14 and is in threaded connection with the thread groove 14, when the fixing block 10 is required to be replaced according to the size of the center hole of the workpiece, the screws 10 are unscrewed, and the fixing block 10 is removed and replaced with the fixing block 10 of the required size.
Through setting up fixed block 10 and screw 15, can be according to work piece centre bore size, expand ejector pin 5, reach the needs that can carry out the clamping.
As shown in fig. 4 and 5, the ejector rod 5 is provided with a first arc-shaped surface 11, one side of the fixing block 10 is provided with a second arc-shaped surface 12, the first arc-shaped surface 11 is matched with the second arc-shaped surface 12, and when the fixing block is used, the first arc-shaped surface 11 is matched with the second arc-shaped surface 12, so that the contact area is larger, the structural rigidity is stronger, the deformation resistance is strong, and the precision is higher.
Through setting up first arcwall face 11 and the second arcwall face 12 of looks adaptation, the gap is littleer when making the installation between ejector pin 5 and the fixed block 10, and intensity is higher, and the precision is higher.
As shown in fig. 4, a third arc-shaped surface 16 and a fourth arc-shaped surface 18 are arranged on one side of the fixed block 10, the third arc-shaped surface 16 is a conical arc surface, when the ejector rod 5 descends in use, the fixed block 10 descends along with the conical arc surface, the side surface of the central hole is in contact with the conical arc surface 16, the side surface descends and moves along a conical route, damage to the edge of the central hole is reduced, and meanwhile, the fourth arc-shaped surface 18 is matched with the central hole of the workpiece, so that the stability of the workpiece during processing is enhanced.
Through the third arc-shaped surface 16 and the fourth arc-shaped surface 18 which are provided with the conical arc-shaped surfaces, the fixed block 10 can be smoother when descending in the clamping process.
As shown in fig. 1, a connecting plate 7 is fixedly mounted at the bottom end of the pull rod 4, two electric push rods 8 are arranged at the top of the connecting plate 7, the top and the bottom of each electric push rod 8 are respectively and fixedly connected with the connecting plate 7 and the bottom of the base 1, when the device is used, the electric push rods 8 are started to extend the output shaft, and the electric push rods 8 are started to drive the pull rod 4 to descend.
Through setting up connecting plate 7 and two electric putter 8, the lift of drive pull rod 4 that can make things convenient for laborsavingly.
As shown in fig. 1, a guide cylinder 17 is arranged on the pull rod 4, the pull rod 4 is matched with the guide cylinder 17, the bottom of the guide cylinder 17 is fixedly connected with the bottom of the mounting groove 3, and when the device is used, the contact area between the inner wall of the guide cylinder 17 and the pull rod 4 reaches a guide length, so that the state of the pull rod 4 is more stable when the device moves.
By providing the guide cylinder 17, the lifting directivity of the pull rod 4 can be enhanced, and the pull rod 4 is more stable when moving.
The working principle of the rapid clamping device for machining provided by the utility model is as follows:
firstly, a workpiece is placed at the top of a fixed seat 1, four ejector rods 5 penetrate through a central hole of the workpiece, an electric push rod 8 is started to enable an output shaft to extend, the electric push rod 8 is started to drive a pull rod 4 to descend, the pull rod 4 descends to drive a connecting rod 6 to rotate and descend, meanwhile, the pull rod 4 descends to drive the ejector rods 5 to descend, the upper portions of the ejector rods 5 rotate outwards under the action of the connecting rod 6, the ejector rods 5 swing to drive fixed blocks 10 to move outwards and descend, a third arc-shaped surface 16 line on the fixed blocks 10 contacts one side of the workpiece, the workpiece is pushed outwards, the four fixed blocks 10 all move outwards to align the center of the workpiece, and finally, a fourth arc-shaped surface 18 on the fixed blocks contacts with the side face of the central hole;
when the fixing block 10 needs to be replaced according to the size of the center hole of the workpiece, the screw 10 is unscrewed, and the fixing block 10 is taken down and the fixing block 10 with the required size is replaced.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (6)
1. The utility model provides a quick clamping device for machining which characterized in that includes:
the support is fixedly arranged at the bottom of the base;
the mounting groove is formed in the base;
the mounting hole is formed in the top of the mounting groove;
the fixing mechanism comprises a pull rod, the pull rod is arranged in the mounting groove, the pull rod penetrates through the bottom of the mounting groove and is in sliding connection with the base, four locking components are arranged at the top of the pull rod, and the four locking components are distributed in an annular array;
the locking part comprises an ejector rod, the bottom of the ejector rod is rotatably connected with the pull rod, connecting rods are rotatably mounted on two sides of the ejector rod, the other ends of the connecting rods are rotatably connected with the inner wall of the mounting groove, and the top of the ejector rod extends to the outside of the mounting hole.
2. The quick clamping device for machining according to claim 1, wherein a fixed block is arranged on one side of the ejector rod, the fixed block is provided with two counter bores, the ejector rod is provided with two thread grooves, two screws are mounted in the two counter bores, and a first screw of the two screws extends into the corresponding thread groove and is in threaded connection with the thread groove.
3. The quick clamping device for machining according to claim 2, wherein a first arc-shaped surface is arranged on the ejector rod, a second arc-shaped surface is arranged on one side of the fixing block, and the first arc-shaped surface is matched with the second arc-shaped surface.
4. The quick clamping device for machining according to claim 2, wherein a third arc-shaped surface and a fourth arc-shaped surface are arranged on one side of the fixing block, and the third arc-shaped surface is a conical arc surface.
5. The quick clamping device for machining according to claim 1, wherein a connecting plate is fixedly mounted at the bottom end of the pull rod, two electric push rods are arranged at the top of the connecting plate, and the top and the bottom of each electric push rod are fixedly connected with the connecting plate and the bottom of the base respectively.
6. The quick clamping device for machining according to claim 1, wherein a guide cylinder is arranged on the pull rod, the pull rod is matched with the guide cylinder, and the bottom of the guide cylinder is fixedly connected with the bottom of the mounting groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121882756.5U CN216138519U (en) | 2021-08-12 | 2021-08-12 | Rapid clamping device for machining |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121882756.5U CN216138519U (en) | 2021-08-12 | 2021-08-12 | Rapid clamping device for machining |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216138519U true CN216138519U (en) | 2022-03-29 |
Family
ID=80805704
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202121882756.5U Active CN216138519U (en) | 2021-08-12 | 2021-08-12 | Rapid clamping device for machining |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN216138519U (en) |
-
2021
- 2021-08-12 CN CN202121882756.5U patent/CN216138519U/en active Active
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