CN214135067U - A centering device for CNC drilling shaft parts - Google Patents
A centering device for CNC drilling shaft parts Download PDFInfo
- Publication number
- CN214135067U CN214135067U CN202023347244.7U CN202023347244U CN214135067U CN 214135067 U CN214135067 U CN 214135067U CN 202023347244 U CN202023347244 U CN 202023347244U CN 214135067 U CN214135067 U CN 214135067U
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- clamping
- seat cushion
- sliding seat
- cushion block
- block
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Abstract
本实用新型公开了一种数控钻轴类零件定心装置，涉及定心夹紧装置技术领域，包括气动驱动部和夹紧部，所述的气动驱动部包括主动气缸和从动气缸，所述的夹紧部包括支架、拉座、安装板、长拉座、芯轴、多角转盘、连杆、导轨、滑块、滑座垫块和卡爪；通过采用本装置，可以完成对轴类工件的自动定心夹紧，结构简单，且利用三点成圆原理和类似曲柄滑块机构原理，对圆管类轴类工件定心精度和效率较高，避免了采用液压三爪卡盘夹紧装置时复杂庞大的系统，结构制造和后期维护简单，便于控制，节省费用。
The utility model discloses a centering device for numerically controlled drill shaft parts, which relates to the technical field of centering and clamping devices, and comprises a pneumatic driving part and a clamping part. The clamping part includes bracket, pull seat, mounting plate, long pull seat, mandrel, polygonal turntable, connecting rod, guide rail, slider, sliding seat pad and jaw; The automatic centering and clamping, the structure is simple, and the use of the three-point circle principle and the similar crank-slider mechanism principle, the centering accuracy and efficiency of the cylindrical shaft workpiece is high, avoiding the use of hydraulic three-jaw chuck clamping The device is a complex and huge system, the structure manufacturing and later maintenance are simple, easy to control, and cost saving.
Description
Technical Field
The utility model belongs to the technical field of the centring means technique and specifically relates to a numerical control bores axle class part centring means is related to.
Background
Along with the increasing processing of axle type part on the numerically-controlled drilling machine, how to carry out the centering clamp to axle type part high efficiency, it is also more and more important.
At present, a traditional numerical control drilling machine basically clamps by using a three-jaw chuck when processing shaft parts, the common three-jaw chuck is inconvenient to lock by using a vertical type installation, the efficiency is low, the time and labor are wasted, the effect is not ideal, the hydraulic three-jaw chuck needs a huge and complicated hydraulic system in batch layout, the requirements of superposition of components on electrical control and maintenance are high, and meanwhile, the hydraulic three-jaw chuck is not suitable for working under severe working conditions for a long time.
SUMMERY OF THE UTILITY MODEL
In view of the deficiencies and defects in the prior art, the utility model aims to provide a centering device for numerical control drilling shaft parts.
In order to solve the technical problem, the utility model discloses a following technical scheme: a centering device for numerical control drilling shaft parts comprises a pneumatic driving part and a clamping part, wherein the pneumatic driving part comprises a driving cylinder and a driven cylinder, and the clamping part comprises a support, a pulling seat, a mounting plate, a long pulling seat, a mandrel, a multi-angle turntable, a connecting rod, a guide rail, a sliding block, a sliding seat cushion block and a clamping jaw;
the left side and the right side of the mounting plate are respectively fixed with a fixing support with a vertical plate, the driving air cylinder and the driven air cylinder are respectively arranged on the two fixing supports, a driving piston rod of the driving air cylinder is connected with a pull seat, a driven piston rod of the driven air cylinder is connected with a long pull seat, and the pull seat and the long pull seat are both connected with the same sliding seat cushion block;
the middle part of the mounting plate is vertically provided with a mandrel, the other end of the mandrel is connected with the center of a polygonal turntable through a bearing, the polygonal turntable can rotate around the mandrel, the polygonal turntable is polygonal, a convex edge angle is arranged at the intersection of every two edges, guide rails with the same number as the convex edge angles are uniformly distributed on the circumference direction of the mandrel, and the guide rails are fixed on the mounting plate and face the center of the mandrel;
the number of the sliding seat cushion blocks is the same as that of the guide rail, the upper end of each sliding seat cushion block is provided with a clamping jaw, the lower end of each sliding seat cushion block is fixedly connected with a sliding block, the middle lower part of each sliding seat cushion block is hinged with one end of a connecting rod, and the sliding block is clamped on the guide rail and can slide along the guide rail;
the other end of each connecting rod is hinged with each protruding edge of the polygonal turntable.
As a further improvement of the utility model, the polygonal rotary table is triangular and has three convex edges and corners.
As a further improvement of the utility model, the clamping jaw is L-shaped, and is fixed on the sliding seat cushion block while contacting and clamping the workpiece.
As a further improvement of the utility model, the clamping jaw is detachably fixed at the upper end of the sliding seat cushion block, a cross convex block is arranged on the top surface of the sliding seat cushion block, and two threaded holes are arranged at the cross position of the cross convex block; the clamping jaw is characterized in that a cross clamping groove matched with the cross protruding block is formed in the bottom of the clamping jaw, the cross clamping groove in the bottom of the clamping jaw is clamped on the cross protruding block of the sliding seat cushion block, and two through holes corresponding to threaded holes in the cross protruding block are formed in the clamping jaw and are fixedly connected through bolts.
As a further improvement of the utility model, the pull seat and the long pull seat be the U type, the both sides limit of the U type of pulling seat and long pull seat passes through the both sides of bolt fastening at same slide cushion.
Compared with the prior art, the utility model discloses the beneficial effect who has does: by adopting the device, the automatic centering and clamping of shaft workpieces can be completed, the structure is simple, the three-point rounding principle and the similar crank block mechanism principle are utilized, the centering precision and efficiency of the circular tube shaft workpieces are high, a complex and huge system is avoided when the hydraulic three-jaw chuck clamping device is adopted, the structure manufacturing and the later maintenance are simple, the control is convenient, and the cost is saved.
Drawings
The invention will be further described with reference to the accompanying drawings:
fig. 1 is a schematic plan structure view of a centering device for numerically controlled drilling shaft parts according to the present invention;
FIG. 2 is a top view of FIG. 1;
fig. 3 is a schematic view of a three-dimensional structure of the centering device for numerically controlled drilling shaft parts of the present invention;
in the figure: the device comprises a pneumatic driving part 1, a driving air cylinder 101, a driving piston rod 1011, a driven air cylinder 102, a driven piston rod 1021, a clamping part 2, a bracket 201, a pulling seat 202, a mounting plate 203, a long pulling seat 204, a mandrel 205, a multi-angle rotating disc 206, a convex edge and corner 2061, a connecting rod 207, a guide rail 208, a cross convex block 2081, a threaded hole 2082, a sliding block 209, a sliding seat cushion block 210 and a clamping jaw 211.
Detailed Description
The present invention will be described in further detail with reference to the accompanying fig. 1-3.
The embodiment of the utility model discloses axle type part centring means is bored in numerical control. Referring to fig. 1-3, a numerical control bores axle type part centring means, its characterized in that: the pneumatic clamping device comprises a pneumatic driving part 1 and a clamping part 2, wherein the pneumatic driving part 1 comprises a driving air cylinder 101 and a driven air cylinder 102, and the clamping part 2 comprises a bracket 201, a pull seat 202, a mounting plate 203, a long pull seat 204, a mandrel 205, a multi-angle turntable 206, a connecting rod 207, a guide rail 208, a sliding block 209, a sliding seat cushion block 210 and a clamping jaw 211;
the left side and the right side of the mounting plate 203 are respectively fixed with a fixing support 201 with a vertical plate, the driving cylinder 101 and the driven cylinder 102 are respectively mounted on the two fixing supports 201, a driving piston rod 1011 of the driving cylinder 101 is connected with a pull seat 202, a driven piston rod 1021 of the driven cylinder 102 is connected with a long pull seat 204, and the pull seat 202 and the long pull seat 204 are both connected with the same sliding seat cushion block 210; the pull seat 202 and the long pull seat 204 are both U-shaped, and two sides of the U-shape of the pull seat 202 and the long pull seat 204 are fixed on two sides of the same sliding seat cushion block 210 by bolts.
A spindle 205 is vertically arranged in the middle of the mounting plate 203, the other end of the spindle 205 is connected with the center of a polygonal turntable 206 through a bearing, the polygonal turntable 206 can rotate around the spindle 205, the polygonal turntable 206 is approximately triangular, a convex corner 2061 is arranged at the intersection of every two sides, three guide rails 208 are uniformly distributed on the periphery of the spindle 205 in the circumferential direction, and the guide rails 208 are fixed on the mounting plate 203 and face the center of the spindle 205 in the directions;
the number of the sliding seat cushion blocks 210 is three, the upper end of each sliding seat cushion block 210 is provided with a clamping jaw 211, the lower end of each sliding seat cushion block is fixedly connected with a sliding block 209, the middle lower part of each sliding seat cushion block is hinged with one end of a connecting rod 207, and the sliding block 209 is clamped on the guide rail 208 and can slide along the guide rail 208; preferably, the clamping jaw 211 is L-shaped, the bottom of the clamping jaw is detachably fixed on the sliding seat cushion block 210, and a vertical end surface contacts and clamps a workpiece; the fixing mode of the clamping jaw 211 and the sliding seat cushion block 210 is as follows: a cross protruding block 2081 is arranged on the top surface of the sliding seat cushion block 210, and two threaded holes 2082 are formed at the cross of the cross protruding block 2081; the bottom of the clamping jaw 211 is provided with a cross clamping groove matched with the cross protruding block 2081, the cross clamping groove at the bottom of the clamping jaw 211 is clamped on the cross protruding block 2081 of the sliding seat cushion block 210, and the clamping jaw 211 is provided with two through holes corresponding to the threaded holes 2082 on the cross protruding block 2081 and is fixedly connected through bolts.
The other end of each connecting rod 207 is hinged with each protruding corner 2061 of the multi-angle rotary disc 206.
The embodiment of the utility model provides a numerical control bores axle type part centring means's implementation principle does: before working, the shaft part is vertically placed in the middle of the three clamping jaws 211, the driving cylinder 101 is started, the driving piston rod 1011 of the driving cylinder 101 extends out to drive one of the slide seat cushion blocks 210 connected with the driving cylinder and the slide block 209 below the slide seat cushion block 210 to move forwards along the guide rail 208, during the forward movement of the carriage pad 210 connected to the active piston rod 1011, the long pull cup 204 connected to the carriage pad 210 moves backward, thereby causing the driven piston rod 1021 connected to the long pulling seat 204 to retract, and at the same time, the polygon turntable 206, which is hinged to the carriage pads 210, rotates around the spindle 205 under the push of the advancing carriage pads 210, and during the rotation of the polygon turntable 206, the other two sliding seat cushion blocks 210 are driven to move towards the mandrel 205 until the three jaws 211 completely clamp the central shaft part, and thus the automatic clamping and centering of the shaft part are completed.
Conversely, when the central shaft part needs to be loosened, the driving piston rod 1011 of the driving cylinder 101 retracts, so as to drive the three jaws 211 to move away from the center of the mandrel 205, and thus the shaft part is loosened.
In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art. It should be understood that the detailed description and specific examples, while indicating the invention, are given by way of illustration only, not by way of limitation, since other embodiments will become apparent to those skilled in the art upon consideration of the following detailed description of the invention without any creative effort.
Claims (5)
1. The utility model provides a numerical control bores axle type part centring means which characterized in that: the pneumatic clamping device comprises a pneumatic driving part (1) and a clamping part (2), wherein the pneumatic driving part (1) comprises a driving cylinder (101) and a driven cylinder (102), and the clamping part (2) comprises a support (201), a pull seat (202), a mounting plate (203), a long pull seat (204), a mandrel (205), a multi-angle turntable (206), a connecting rod (207), a guide rail (208), a sliding block (209), a sliding seat cushion block (210) and clamping jaws (211);
the left side and the right side of the mounting plate (203) are respectively fixed with a fixing support (201) with a vertical plate, the driving cylinder (101) and the driven cylinder (102) are respectively mounted on the two fixing supports (201), a driving piston rod (1011) of the driving cylinder (101) is connected with the pull seat (202), a driven piston rod (1021) of the driven cylinder (102) is connected with the long pull seat (204), and the pull seat (202) and the long pull seat (204) are both connected with the same sliding seat cushion block (210);
the middle of the mounting plate (203) is vertically provided with a mandrel (205), the other end of the mandrel (205) is connected with the center of a polygonal turntable (206) through a bearing, the polygonal turntable (206) can rotate around the mandrel (205), the polygonal turntable (206) is polygonal, a convex corner angle (2061) is arranged at the intersection position of every two edges, guide rails (208) with the same number as the convex corner angles (2061) are uniformly distributed on the circumference direction of the mandrel (205), the guide rails (208) are fixed on the mounting plate (203), and the directions of the guide rails are opposite to the center of the mandrel (205);
the number of the sliding seat cushion blocks (210) is the same as that of the guide rails (208), the upper end of each sliding seat cushion block (210) is provided with a clamping jaw (211), the lower end of each sliding seat cushion block is fixedly connected with a sliding block (209), the middle lower part of each sliding seat cushion block is hinged with one end of a connecting rod (207), and the sliding blocks (209) are clamped on the guide rails (208) and can slide along the guide rails (208);
the other end of each connecting rod (207) is hinged with each protruding corner (2061) of the multi-angle rotary table (206).
2. The numerical control drilling shaft part centering device of claim 1, characterized in that: the polygonal rotating disc (206) is triangular and is provided with three convex edges (2061).
3. The numerical control drilling shaft part centering device of claim 1, characterized in that: the clamping jaw (211) is L-shaped, is fixed on the sliding seat cushion block (210) while contacting and clamping a workpiece.
4. The numerical control drilling shaft part centering device of claim 1, characterized in that: the clamping jaw (211) is detachably fixed at the upper end of the sliding seat cushion block (210), a cross-shaped protruding block (2081) is arranged on the top surface of the sliding seat cushion block (210), and two threaded holes (2082) are formed in the cross-shaped position of the cross-shaped protruding block (2081); the clamping jaw is characterized in that a cross clamping groove matched with the cross protruding block (2081) is formed in the bottom of the clamping jaw (211), the cross clamping groove in the bottom of the clamping jaw (211) is clamped on the cross protruding block (2081) of the sliding seat cushion block (210), and two through holes corresponding to threaded holes (2082) in the cross protruding block (2081) are formed in the clamping jaw (211) and are fixedly connected through bolts.
5. The numerically controlled drill spindle part centering device according to any one of claims 1 to 4, wherein: the pull seat (202) and the long pull seat (204) are both U-shaped, and two sides of the U-shaped pull seat (202) and the two sides of the U-shaped long pull seat (204) are fixed on two sides of the same sliding seat cushion block (210) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347244.7U CN214135067U (en) | 2020-12-31 | 2020-12-31 | A centering device for CNC drilling shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023347244.7U CN214135067U (en) | 2020-12-31 | 2020-12-31 | A centering device for CNC drilling shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214135067U true CN214135067U (en) | 2021-09-07 |
Family
ID=77546326
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023347244.7U Expired - Fee Related CN214135067U (en) | 2020-12-31 | 2020-12-31 | A centering device for CNC drilling shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214135067U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475806A (en) * | 2023-03-31 | 2023-07-25 | 重庆市皓峰模具有限公司 | A pneumatic clamping mechanism |
| CN118372050A (en) * | 2024-05-07 | 2024-07-23 | 江苏广大鑫盛精密智造有限公司 | A large shaft clamping mechanism and shaft processing platform |
-
2020
- 2020-12-31 CN CN202023347244.7U patent/CN214135067U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN116475806A (en) * | 2023-03-31 | 2023-07-25 | 重庆市皓峰模具有限公司 | A pneumatic clamping mechanism |
| CN118372050A (en) * | 2024-05-07 | 2024-07-23 | 江苏广大鑫盛精密智造有限公司 | A large shaft clamping mechanism and shaft processing platform |
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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 |
Granted publication date: 20210907 |
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| CF01 | Termination of patent right due to non-payment of annual fee |