CN217317076U - Self-centering clamping mechanism for shaft parts - Google Patents
Self-centering clamping mechanism for shaft parts Download PDFInfo
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- CN217317076U CN217317076U CN202221044772.1U CN202221044772U CN217317076U CN 217317076 U CN217317076 U CN 217317076U CN 202221044772 U CN202221044772 U CN 202221044772U CN 217317076 U CN217317076 U CN 217317076U
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- centering
- workpiece
- rod
- sliding block
- sleeve
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- 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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Abstract
本实用新型涉及一种轴类零件自定心夹紧机构，所述底座上安装有机台，所述机台中心设置有对中锥杆，所述对中锥杆顶部设置有锥尖，锥尖与工件中心锥孔配合，所述对中锥杆底部设置有弹簧，弹簧使锥尖与工件始终保持配合。所述对中锥尖两端设置有对称的两组夹紧组件、初限位组件，初限位组件在夹紧组件工作前支撑工件。所述夹紧组件包括液压油缸、左滑块、右滑块、下齿条、传动齿轮、上齿条，所述左滑块、右滑块安装在滑轨内且可沿滑轨反向同步移动，所述左滑块、右滑块靠近的一侧安装有V型块，所述初限位组件位于左滑块、右滑块之间，V型块可夹紧工件两端柱面，初限位组件在工件下部支撑工件。本实用新型定位精度高，适用性广，夹持稳固。
The utility model relates to a self-centering clamping mechanism for shaft parts. A machine table is installed on the base, a centering cone rod is arranged in the center of the machine table, and a cone tip is arranged on the top of the centering cone rod. In cooperation with the center taper hole of the workpiece, the bottom of the centering taper rod is provided with a spring, and the spring keeps the taper tip and the workpiece in constant cooperation. The two ends of the centering cone tip are provided with two symmetrical groups of clamping assemblies and an initial limiting assembly, and the initial limiting assembly supports the workpiece before the clamping assemblies work. The clamping assembly includes a hydraulic oil cylinder, a left slider, a right slider, a lower rack, a transmission gear, and an upper rack. The left slider and the right slider are installed in the slide rail and can be synchronized in reverse along the slide rail. Move, a V-shaped block is installed on the side close to the left slider and the right slider, the initial limit component is located between the left slider and the right slider, the V-shaped block can clamp the cylindrical surfaces at both ends of the workpiece, The initial stop assembly supports the workpiece at the lower part of the workpiece. The utility model has high positioning accuracy, wide applicability and stable clamping.
Description
Technical Field
The utility model relates to an axle type parts machining production technical field, concretely relates to axle type part is from centering clamping mechanism.
Background
In industrial products, shaft parts are suitable for maintenance operations of one or more numerically controlled machine-processed parts. Is one of the typical parts frequently encountered in hardware fittings, which is mainly used for supporting transmission parts, transmitting torque and bearing load, and is used for supporting transmission parts such as gears, pulleys and the like in a machine to transmit torque or motion. The shaft parts are rotating body parts, the length of which is greater than the diameter, and generally consist of an outer cylindrical surface, a conical surface, an inner hole, threads and corresponding end surfaces of a concentric shaft.
The existing shaft parts are mainly fixed by end face thimbles when holes, grooves, planes and the like are machined on a milling machine or a machining center, but the mode cannot be suitable for workpieces with higher precision requirements, and has larger bounce and insufficient stability.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing an axle type part is from centering clamping mechanism carries out automatic centering location through axle type part both ends cylinder, and the degree of accuracy of installation, location has been guaranteed to centering subassembly, first spacing subassembly, and during operation cylinder atress, the machining stability is better.
The utility model discloses a following technical scheme realizes: a self-centering clamping mechanism for shaft parts comprises: a clamping component, a primary limiting component, a centering taper rod and a base,
a machine table is arranged on the base, a centering conical rod is arranged in the center of the machine table, a conical tip is arranged at the top of the centering conical rod and matched with a conical hole in the center of a workpiece, a spring is arranged at the bottom of the centering conical rod and enables the conical tip to be always matched with the workpiece,
two symmetrical groups of clamping assemblies and initial limiting assemblies are arranged at two ends of the centering cone tip, and the initial limiting assemblies support the workpiece before the clamping assemblies work;
the clamping assembly comprises a hydraulic oil cylinder, a left sliding block, a right sliding block, a lower rack, a transmission gear and an upper rack, a connecting rod is mounted on a piston rod of the hydraulic oil cylinder, the connecting rod is mounted in the guide sleeve and can move axially along the guide sleeve, a T-shaped connecting block is fixedly mounted in the middle of the connecting rod and connected with the left sliding block, the head of the connecting rod is connected with the lower rack, the lower rack is meshed with the transmission gear, the upper rack is meshed with the upper portion of the transmission gear, the upper rack is connected with the right sliding block, and the lower rack drives the gear to rotate when driven to move by the connecting rod so as to drive the right sliding block to move reversely; the left sliding block and the right sliding block are arranged in the sliding rail and can synchronously move along the sliding rail in the opposite direction,
v-shaped blocks are installed on one sides, close to the left sliding block and the right sliding block, of the initial limiting assemblies are located between the left sliding block and the right sliding block, the V-shaped blocks can clamp cylindrical surfaces at two ends of a workpiece, and the initial limiting assemblies support the workpiece at the lower portion of the workpiece.
Further, the two hydraulic oil cylinders are driven by the same oil way.
Further, first spacing subassembly includes sleeve, spacer pin, buffer spring, adjusting nut, bracing piece, and the sleeve is fixed on the board, installs buffer spring in the sleeve, and the bracing piece lower part inserts the sleeve and contacts with buffer spring, bracing piece top and work piece contact, and the sleeve side is provided with the spacer pin, and the spacer pin cooperates with the spacing groove of bracing piece lower part side, bracing piece upper portion is provided with the screw thread and revolves soon has screwed adjustable nut, and adjustable nut control bracing piece stretches out telescopic length.
Furthermore, the connecting rod passes through threaded connection with T type connecting block, lower rack.
Furthermore, the bottoms of the left sliding block and the right sliding block are T-shaped and are inserted into the sliding rail.
The utility model discloses a theory of operation:
the utility model discloses the centre gripping mode adopts both ends cylinder centre gripping, and V type piece is installed to left slip table, right slip table, makes work piece self-centering through radial concentric movement. The utility model discloses a hydraulic cylinder's hydraulic line control can make piston rod synchronous drive, and when the piston rod moved left slip table with the connecting rod right side, through the cooperation of connecting rod front end and rack, gear, made right slip table move left in step. The extension length of the support rod of the initial limiting assembly is adjustable, the support rod is matched with the centering taper rod, and the support rod is kept in contact with a workpiece through a return spring to perform initial limiting on the workpiece. And finally positioning the workpiece after the left sliding table and the right sliding table move. The V-shaped block is suitable for bars with different diameters, and the application range is wide.
The utility model has the advantages that:
axle type part from centering clamping mechanism, at axle type part both ends, set up the symmetry from the subassembly of centering, through the hydraulic cylinder drive, make axle type part location more accurate. In the positioning process, the positioning device is supported by the primary limiting assembly, and the transverse position of the centering taper rod is kept. The utility model discloses convenient easy-to-use is applicable to the high accuracy processing, can the various diameters of centre gripping, the axle type part of length, and the processing stability is better.
Drawings
Fig. 1 is a schematic front view of a self-centering clamping mechanism for shaft parts according to the present invention;
FIG. 2 is a schematic cross-sectional view of FIG. 1 along a cut line;
fig. 3 is an enlarged schematic view of the primary limiting component of the present invention.
In the figure: 1. a base; 2. a hydraulic cylinder; 3. a connecting rod; 4. a T-shaped connecting block; 5. a guide sleeve; 6. a left slipway; 7. a right sliding table; 8. a V-shaped block; 9. a primary limiting component; 901. a sleeve; 902. a spacing pin; 903. a buffer spring; 904. adjusting the nut; 905. a support bar; 10. a workpiece; 11. a lower rack; 12. a transmission gear; 13. an upper rack; 14. a slide rail; 15. a machine platform; 16. centering the conical rod.
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. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
As shown in fig. 1 and 2, a self-centering clamping mechanism for shaft parts comprises: clamping component, just spacing subassembly 9, centering taper rod 16, base 1. The centering device is characterized in that a machine table 15 is installed on the base 1, a centering taper rod 16 is arranged at the center of the machine table 15, a taper tip is arranged at the top of the centering taper rod 16 and matched with a central taper hole of the workpiece 10, and a spring is arranged at the bottom of the centering taper rod 16 and enables the taper tip to be always matched with the workpiece 10.
Two symmetrical groups of clamping assemblies and initial limiting assemblies 9 are arranged at two ends of the centering cone tip, and the initial limiting assemblies 9 support a workpiece 10 before the clamping assemblies work.
Each group of clamping assemblies respectively comprises a hydraulic oil cylinder 2, a left sliding block, a right sliding block, a lower rack 11, a transmission gear 12 and an upper rack 13, a connecting rod 3 is mounted on a piston rod of the hydraulic oil cylinder 2, the connecting rod 3 is mounted in a guide sleeve 5 and can move axially along the guide sleeve 5, a T-shaped connecting block 4 is fixedly mounted in the middle of the connecting rod 3, the T-shaped connecting block 4 is connected with the left sliding block, the head of the connecting rod 3 is connected with the lower rack 11, the lower rack 11 is meshed with the transmission gear 12, the upper rack 13 is meshed with the upper portion of the transmission gear 12, the upper rack 13 is connected with the right sliding block, and the lower rack 11 is driven by the connecting rod 3 to move so as to drive the right sliding block to move reversely; the left slider and the right slider are mounted in the slide rail 14 and can move along the slide rail 14 reversely and synchronously.
V-shaped blocks 8 are installed on one sides, close to the left sliding block and the right sliding block, of the initial limiting assembly 9, the initial limiting assembly 9 is located between the left sliding block and the right sliding block, the V-shaped blocks 8 can clamp cylindrical surfaces at two ends of a workpiece 10, and the initial limiting assembly 9 supports the workpiece 10 on the lower portion of the workpiece 10.
In one example, the two hydraulic rams 2 are driven by the same oil circuit.
As shown in fig. 3, the initial limiting component 9 includes a sleeve 901, a limiting pin 902, a buffer spring 903, an adjusting nut 904, and a supporting rod 905, the sleeve 901 is fixed on the machine platform 15, the buffer spring 903 is installed in the sleeve 901, the lower portion of the supporting rod 905 is inserted into the sleeve 901 and contacts with the buffer spring 903, the top of the supporting rod 905 contacts with the workpiece 10, the side surface of the sleeve 901 is provided with the limiting pin 902, the limiting pin 902 is matched with a limiting groove on the side surface of the lower portion of the supporting rod 905, the upper portion of the supporting rod 905 is provided with threads and is screwed with an adjustable nut, and the adjustable nut controls the length of the supporting rod 905 extending out of the sleeve 901.
In one example, the connecting rod 3 is connected with the T-shaped connecting block 4 and the lower rack 11 through threads.
In one example, the bottoms of the left slider and the right slider are T-shaped and are inserted into the slide rail 14.
The utility model discloses a theory of operation:
the utility model discloses the centre gripping mode adopts both ends cylinder centre gripping, and V type piece 8 is installed to left slip table 6, right slip table 7, makes work piece 10 self-centering through radial concentric movement. The utility model discloses a hydraulic cylinder 2's hydraulic line control can make piston rod synchronous drive, and when the piston rod moved right with connecting rod 3 drive left slip table 6, through the cooperation of connecting rod 3 front end and rack, gear, made right slip table 7 remove left in step. The extension length of the support rod 905 of the initial limiting component 9 is adjustable, the support rod is matched with the centering taper rod 16, the support rod keeps contact with the workpiece 10 through the reset spring, and the workpiece 10 is initially limited. And after the left sliding table 6 and the right sliding table 7 move, the position of the workpiece 10 is finally positioned. The V-shaped block 8 is suitable for bars with different diameters, and the application range is wide.
To sum up, the utility model discloses positioning accuracy is high, extensive applicability, and the centre gripping is firm.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It should be understood by those skilled in the art that the foregoing embodiments are merely illustrative of the technical concepts and features of the present invention, and the purpose of the present invention is to provide a person skilled in the art with the ability to understand the contents of the present invention and implement the same, and not to limit the scope of the present invention.
Claims (5)
1. The utility model provides an axle type part is from centering clamping mechanism which characterized in that: comprises a clamping component, a primary limiting component (9), a centering taper rod (16) and a base (1),
a machine table (15) is installed on the base (1), a centering conical rod (16) is arranged at the center of the machine table (15), a conical tip is arranged at the top of the centering conical rod (16) and matched with a central conical hole of the workpiece (10), a spring is arranged at the bottom of the centering conical rod (16) and enables the conical tip to be always matched with the workpiece (10),
two symmetrical groups of clamping assemblies and initial limiting assemblies (9) are arranged at two ends of the centering cone tip, and the initial limiting assemblies (9) support a workpiece (10) before the clamping assemblies work;
the clamping assembly comprises a hydraulic oil cylinder (2), a left sliding block, a right sliding block, a lower rack (11), a transmission gear (12) and an upper rack (13), a connecting rod (3) is mounted on a piston rod of the hydraulic oil cylinder (2), the connecting rod (3) is mounted in a guide sleeve (5) and can axially move along the guide sleeve (5), a T-shaped connecting block (4) is fixedly mounted in the middle of the connecting rod (3), the T-shaped connecting block (4) is connected with the left sliding block, the head of the connecting rod (3) is connected with the lower rack (11), the lower rack (11) is meshed with the transmission gear (12), the upper rack (13) is meshed at the upper part of the transmission gear (12), the upper rack (13) is connected with the right sliding block, and when the lower rack (11) is driven to move by the connecting rod (3), the transmission gear is driven to rotate so as to drive the right sliding block to reversely move; the left sliding block and the right sliding block are arranged in the sliding rail (14) and can reversely and synchronously move along the sliding rail (14),
v-shaped block (8) is installed to one side that left side slider, right slider are close to, just spacing subassembly (9) are located between left slider, the right slider, and work piece (10) both ends cylinder can be pressed from both sides tightly to V-shaped block (8), and just spacing subassembly (9) support work piece (10) in work piece (10) lower part.
2. The self-centering clamping mechanism for the shaft part according to claim 1, is characterized in that: the primary limiting component (9) comprises a sleeve (901), a limiting pin (902), a buffer spring (903), an adjusting nut (904) and a supporting rod (905), wherein the sleeve (901) is fixed on a machine table (15), the buffer spring (903) is installed in the sleeve (901), the lower part of the supporting rod (905) is inserted into the sleeve (901) and is in contact with the buffer spring (903), the top of the supporting rod (905) is in contact with a workpiece (10), the side surface of the sleeve (901) is provided with the limiting pin (902), the limiting pin (902) is matched with a limiting groove on the side surface of the lower part of the supporting rod (905), the upper part of the supporting rod (905) is provided with threads and is screwed with the adjustable nut, and the adjustable nut controls the length of the supporting rod (905) to stretch out of the sleeve (901).
3. The self-centering clamping mechanism for the shaft part as claimed in claim 1 or 2, wherein: the two hydraulic oil cylinders (2) are driven by the same oil way.
4. The self-centering clamping mechanism for the shaft part according to claim 1, is characterized in that: the connecting rod (3) is connected with the T-shaped connecting block (4) and the lower rack (11) through threads.
5. The self-centering clamping mechanism for the shaft part according to claim 1, is characterized in that: the bottoms of the left sliding block and the right sliding block are T-shaped and are inserted in the sliding rail (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221044772.1U CN217317076U (en) | 2022-05-05 | 2022-05-05 | Self-centering clamping mechanism for shaft parts |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221044772.1U CN217317076U (en) | 2022-05-05 | 2022-05-05 | Self-centering clamping mechanism for shaft parts |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217317076U true CN217317076U (en) | 2022-08-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221044772.1U Expired - Fee Related CN217317076U (en) | 2022-05-05 | 2022-05-05 | Self-centering clamping mechanism for shaft parts |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217317076U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118857032A (en) * | 2024-07-03 | 2024-10-29 | 隆昌山川机械有限责任公司 | Automobile exhaust pipe outer circle centering and surface detection device |
-
2022
- 2022-05-05 CN CN202221044772.1U patent/CN217317076U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118857032A (en) * | 2024-07-03 | 2024-10-29 | 隆昌山川机械有限责任公司 | Automobile exhaust pipe outer circle centering and surface detection device |
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| 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: 20220830 |