CN223833280U - A hydraulic locking rotary table positioning device for a CNC punch press - Google Patents
A hydraulic locking rotary table positioning device for a CNC punch pressInfo
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- CN223833280U CN223833280U CN202520930566.8U CN202520930566U CN223833280U CN 223833280 U CN223833280 U CN 223833280U CN 202520930566 U CN202520930566 U CN 202520930566U CN 223833280 U CN223833280 U CN 223833280U
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- rotary table
- locking
- turntable
- hydraulic
- positioning device
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Abstract
本申请提供一种数控冲床的液压锁紧式转盘定位装置，包括：底座，底座顶面上安装有支撑臂，支撑臂顶部安装有液压冲杆；转盘，转盘转动安装于底座上且与支撑臂同轴设置，转盘上设置多个工件夹持工位，工件夹持工位上设有夹持组件；转盘通过第一驱动装置驱动旋转；多个锁紧件，多个锁紧件分布于转盘的外周侧，且与底座可相对滑动；多个锁紧件通过锁紧驱动组件驱动以同步沿转盘的径向方向移动，以对转盘进行径向锁定；轴向定位组件，轴向定位组件安装于支撑臂上，轴向定位组件用于对转盘进行轴向锁定。本申请提供的定位装置可对转盘进行径向和轴向的双向定位，并且可有效降低转盘变形或锁紧件磨损的风险。
This application provides a hydraulic locking rotary table positioning device for a CNC punch press, comprising: a base, a support arm mounted on the top surface of the base, and a hydraulic punch rod mounted on the top of the support arm; a rotary table, rotatably mounted on the base and coaxially arranged with the support arm, the rotary table having multiple workpiece clamping stations, each workpiece clamping station having a clamping assembly; the rotary table being driven to rotate by a first driving device; multiple locking elements, distributed on the outer periphery of the rotary table and slidable relative to the base; the multiple locking elements being driven by a locking drive assembly to move synchronously along the radial direction of the rotary table to radially lock the rotary table; and an axial positioning assembly, mounted on the support arm, used to axially lock the rotary table. The positioning device provided by this application can perform bidirectional positioning of the rotary table in both radial and axial directions, and can effectively reduce the risk of rotary table deformation or wear of the locking elements.
Description
Technical Field
The present disclosure relates generally to the field of hydraulic punching machines, and more particularly to a hydraulic locking type turntable positioning device of a numerical control punching machine.
Background
The hydraulic punching machine is used as important equipment in the field of metal processing, and the positioning accuracy and the processing efficiency of the hydraulic punching machine directly influence the forming quality and the production efficiency of a workpiece. In the prior art, a turntable structure is often adopted for a hydraulic punching machine to realize multi-station switching so as to improve continuous processing capacity. However, conventional turntable positioning devices rely on a single locking mechanism to secure the turntable via a single point or a small number of locking members. The design is easy to cause uneven distribution of locking force, and the turntable is easy to deform or the locking piece is easy to wear after long-term use, so that the positioning accuracy is reduced, and the equipment fault risk is increased.
Disclosure of utility model
In view of the foregoing drawbacks or shortcomings in the prior art, it is desirable to provide a hydraulic locking type turntable positioning device for a numerical control press to solve the foregoing problems.
The application provides a hydraulic locking type turntable positioning device of a numerical control punch press, which comprises:
The hydraulic punching device comprises a base, wherein a supporting arm is arranged on the top surface of the base, and a hydraulic punching rod is arranged on the top of the supporting arm;
The rotary table is rotatably arranged on the base and is coaxially arranged with the supporting arm, a plurality of workpiece clamping stations are arranged on the rotary table, and clamping assemblies are arranged on the workpiece clamping stations;
The locking pieces are distributed on the outer peripheral side of the turntable and can slide relative to the base; the locking pieces are driven by the locking driving assembly to synchronously move along the radial direction of the turntable so as to radially lock the turntable;
The axial positioning assembly is mounted on the supporting arm and used for axially locking the turntable.
According to the technical scheme provided by the embodiment of the application, the locking groove for inserting the locking piece is formed in the peripheral side of the rotary table, the locking groove is a conical groove, the locking piece is provided with a limiting inclined surface corresponding to the locking groove, and the front end of the limiting inclined surface is provided with a round corner transition.
According to the technical scheme provided by the embodiment of the application, the base is provided with the guide grooves with the same number as the locking pieces, the guide grooves extend along the radial direction of the turntable, connecting rods are slidably arranged in the guide grooves, and one ends of the connecting rods are fixedly connected with the locking pieces;
the lock drive assembly includes:
The driving disc is rotatably arranged in the base, the driving disc and the rotary disc are coaxially arranged, arc-shaped grooves which are in one-to-one correspondence with the guide grooves are formed in the driving disc, and the arc-shaped grooves are matched with the guide grooves to enable the connecting rods to slide along the guide grooves;
and the second driving device is used for driving the driving disc to rotate.
According to the technical scheme provided by the embodiment of the application, the axial positioning assembly comprises a plurality of pushing pieces, the pushing pieces are fixed on the side walls of the supporting arms, the pushing pieces are provided with push rods which are telescopic along the axial direction of the turntable, and the free ends of the push rods are provided with friction plates.
According to the technical scheme provided by the embodiment of the application, the clamping assembly comprises:
The clamping plates are U-shaped plates, openings of the clamping plates are opposite to each other, and two sides of each clamping plate are outwards stretched to increase the opening degree of the clamping plate;
And the third driving device is used for driving the pair of clamping plates to be close to or far away from each other.
According to the technical scheme provided by the embodiment of the application, the rotary table is further provided with the counterweight assembly, and the counterweight assembly is used for adjusting the weight distribution on the rotary table according to the position and the weight of the workpiece clamped by the clamping assembly.
According to the technical scheme provided by the embodiment of the application, the counterweight assembly comprises:
the annular groove is formed in the peripheral edge of the top surface of the turntable, and an annular guide rail is arranged in the annular groove;
The balancing weights are slidably mounted on the annular guide rail.
According to the technical scheme provided by the embodiment of the application, the balancing weight is provided with the locking pin, the locking pin penetrates through the balancing weight and is in threaded connection with the balancing weight, and the locking pin is abutted on the annular guide rail to limit the balancing weight to move.
According to the technical scheme provided by the embodiment of the application, the hard alloy wear-resistant plate is inlaid on the limiting inclined plane.
According to the technical scheme provided by the embodiment of the application, a first bearing is arranged between the rotary table and the supporting arm, and a second bearing is arranged between the rotary shaft of the rotary table and the driving disc.
The rotary table has the advantages that continuous production is achieved by arranging a plurality of workpiece clamping stations on the rotary table and combining the rotary table rotating switching stations driven by the first driving device, downtime is reduced, machining efficiency is improved, the plurality of locking pieces are driven by the locking driving assembly to synchronously move along the radial direction of the rotary table, locking force is evenly applied, deformation or abrasion of the rotary table due to uneven single-point stress is avoided, the locking piece abrasion is avoided, the fault risk of the locking mechanism is reduced, the integral reliability of the device is improved, the locking pieces are coaxially arranged on the periphery side of the rotary table through the rotary table and the supporting arm, the integral space utilization rate is high, the rotary table is suitable for the integral requirements of numerical control punches of different specifications, meanwhile, the rotary table is subjected to bidirectional locking in the radial direction and the axial direction through the synergistic effect of the radial locking pieces and the axial direction, the positioning accuracy and the machining stability of the rotary table are remarkably improved, the consistency of the stamping quality of workpieces is ensured, the radial locking and the axial locking are supplemented, even if a certain locking mechanism fails, the other mechanism still can provide basic positioning guarantee, and the running safety of equipment is improved.
Drawings
Other features, objects and advantages of the present application will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:
FIG. 1 is a schematic diagram of a hydraulic locking type turntable positioning device of a numerical control punch;
FIG. 2 is a schematic top view of a hydraulic locking type turntable positioning device of the numerical control press shown in FIG. 1;
FIG. 3 is a schematic cross-sectional view of a hydraulic locking type turntable positioning device of the numerical control press shown in FIG. 1;
FIG. 4 is an enlarged schematic view of the structure shown at A in FIG. 3;
Fig. 5 is a schematic view of the relative positions of the guide groove and the arc-shaped groove.
The drawing numbers are 1, a base, 2, a supporting arm, 3, a hydraulic punch, 4, a turntable, 5, a first driving device, 6, a locking piece, 7, a locking groove, 8, a limiting inclined plane, 9, a guiding groove, 10, a connecting rod, 11, a driving disc, 12, an arc-shaped groove, 13, a second driving device, 14, a pushing piece, 15, a push rod, 16, a friction plate, 17, a clamping plate, 18, a third driving device, 19, an annular groove, 20, an annular guide rail, 21, a balancing weight, 22, a first bearing, 23, a second bearing, 24, a locking pin and 25, and a handle.
Detailed Description
The application is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the application and are not limiting of the application. It should be noted that, for convenience of description, only the portions related to the application are shown in the drawings.
It should be noted that, without conflict, the embodiments of the present application and features of the embodiments may be combined with each other. The application will be described in detail below with reference to the drawings in connection with embodiments.
Referring to fig. 1-5, the present application provides a hydraulic locking type turntable positioning device of a numerical control punch, comprising:
the hydraulic pressure device comprises a base 1, wherein a supporting arm 2 is arranged on the top surface of the base 1, and a hydraulic punch 3 is arranged on the top of the supporting arm 2;
The rotary table 4 is rotatably arranged on the base 1 and is coaxially arranged with the supporting arm 2, a plurality of workpiece clamping stations are arranged on the rotary table 4, and clamping assemblies are arranged on the workpiece clamping stations;
The locking pieces 6 are arranged on the outer peripheral side of the turntable 4 and can slide relative to the base 1, and the locking pieces 6 are driven by a locking driving assembly to synchronously move along the radial direction of the turntable 4 so as to radially lock the turntable 4;
The axial positioning assembly is mounted on the supporting arm 2 and is used for axially locking the turntable 4.
Specifically, the support arm 2 is arranged at the center of the base 1, the hydraulic punch 3 is arranged at one side of the top of the support arm 2, and the hydraulic punch 3 can stretch downwards to punch the workpiece. The turntable 4 is in a circular ring shape, the turntable 4 is arranged at the top of the base 1, the turntable 4 is sleeved on the peripheral side of the supporting arm 2 and is coaxially arranged with the supporting arm 2, a plurality of clamping stations are uniformly distributed at the top of the turntable 4 along the circumferential direction of the turntable 4, one workpiece to be punched can be arranged on each clamping station through a clamping assembly, in the embodiment, four clamping stations are arranged on the turntable 4, and the workpieces on different clamping stations can be rotated to the lower part of the hydraulic punch rod 3 through rotation of the turntable 4, so that the hydraulic punch rod 3 can punch the workpiece. The first driving device 5 is arranged inside the base 1 and is positioned on one side of the rotary table 4, the first driving device 5 can be a combination of a driving motor and a speed reducer, the speed reducer is used for transmitting between the driving motor and the rotary table 4, and the rotary table 4 is driven to rotate by the driving motor so as to realize the switching of clamping stations.
After the turntable 4 switches the clamping station, the position of the turntable 4 needs to be locked, and in this embodiment, the turntable 4 is locked by two modes, namely radial locking and axial locking. The radial locking is realized by locking pieces 6, a plurality of locking pieces 6 are arranged on the periphery side of the turntable 4, the locking pieces 6 are arranged on the top of the base 1, the locking pieces 6 and the top of the base 1 can slide relatively, and the sliding direction is along the radial direction of the turntable 4. When needs lock carousel 4, drive a plurality of retaining members 6 through locking drive assembly to make a plurality of retaining members 6 radially lock carousel 4 at the periphery side of carousel 4, prevent to influence punching press quality because carousel 4 rotates in the punching press process. The axial locking is realized through axial positioning assembly, and axial positioning assembly compresses tightly carousel 4 axially after carousel 4 switches the station, can further lock carousel 4 on the one hand, avoids carousel 4 to rotate, and on the other hand axial locking also can avoid carousel 4 to rock in the punching press in-process and lead to influencing punching press quality.
According to the application, the turntable 4 is locked in multiple directions through the locking pieces 6 and the axial positioning components, so that the locking effect of the turntable 4 is better, meanwhile, the phenomenon that the whole device cannot be used when a single locking mechanism fails can be avoided, and the reliability of the device for coping with sudden problems is improved.
Further, a locking groove 7 for the locking piece 6 to be inserted is formed in the outer peripheral side of the rotary disc 4, the locking groove 7 is a conical groove, the locking piece 6 is provided with a limiting inclined surface 8 corresponding to the locking groove 7, and the front end of the limiting inclined surface 8 is provided with a round corner transition.
Specifically, the locking member 6 is required to cooperate with the locking groove 7 when locking the turntable 4. A plurality of locking grooves 7 are formed in the periphery side of the rotary table 4 corresponding to the plurality of locking pieces 6, after the rotary table 4 is switched to a station, the plurality of locking pieces 6 are tightened to the inner side of the rotary table 4 and inserted into the corresponding locking grooves 7, and then the position of the rotary table 4 is limited, so that the rotary table 4 is prevented from rotating. In order to avoid the abrasion of the locking member 6 caused by the frequent matching of the locking member 6 with the locking groove 7, and also to enable the locking member 6 to be inserted into the locking groove 7 more easily, the locking groove 7 is arranged into a conical groove, the front end of the corresponding locking member 6 is arranged into a limiting inclined surface 8, and the service life of the locking member 6 can be prolonged through the matching of the limiting inclined surface 8 and the conical groove.
Further, guide grooves 9, the number of which is the same as that of the locking pieces 6, are formed in the base 1, the guide grooves 9 extend along the radial direction of the turntable 4, a connecting rod 10 is slidably mounted in the guide grooves 9, and one end of the connecting rod 10 is fixedly connected with the locking pieces 6;
the lock drive assembly includes:
The driving disc 11 is rotatably installed in the base 1, the driving disc 11 and the rotary disc 4 are coaxially arranged, arc-shaped grooves 12 which are in one-to-one correspondence with the guide grooves 9 are formed in the driving disc 11, and the arc-shaped grooves 12 are matched with the guide grooves 9 to enable the connecting rods 10 to slide along the guide grooves 9;
and a second driving device 13, wherein the second driving device 13 is used for driving the driving disc 11 to rotate.
Specifically, the locking pieces 6 and the base 1 are guided by the guide grooves 9 during relative sliding, the guide grooves 9 are arranged at the top of the base 1, the guide grooves 9 are in one-to-one correspondence with the locking pieces 6, a connecting rod 10 is slidably arranged in each guide groove 9, the sliding direction is along the radial direction of the turntable 4, the connecting rod 10 is fixed with the locking pieces 6, and the locking pieces 6 are driven to slide along the guide grooves 9 by the connecting rod 10.
The locking driving assembly consists of a driving disc 11 and a second driving device 13, wherein the driving disc 11 is a circular ring disc which is arranged in the base 1 and is coaxially arranged with the turntable 4, an arc-shaped groove 12 is arranged on the driving disc 11 corresponding to each guide groove 9, one end of a connecting rod 10 principle locking piece 6 stretches into the arc-shaped groove 12, when the locking piece 6 needs to be moved, the driving disc 11 is rotated, the arc-shaped groove 12 continuously extrudes the connecting rod 10 in the rotating process of the driving disc 11, and then the locking piece 6 can move along the guide grooves 9 under the guiding action of the guide grooves 9. The rotation of the drive disc 11 is driven by a second drive means 13, optionally the second drive means 13 consisting of a drive motor and a speed reducer.
Further, the axial positioning assembly comprises a plurality of pushing pieces 14, wherein the pushing pieces 14 are fixed on the side walls of the supporting arms 2, the pushing pieces 14 are provided with pushing rods 15 which are telescopic along the axial direction of the turntable 4, and friction plates 16 are mounted at the free ends of the pushing rods 15.
Specifically, in this embodiment, three axial positioning assemblies are provided, and the three axial positioning assemblies are respectively provided on the other three sides of the support arm 2 where the hydraulic ram 3 is not provided. The axial positioning assembly consists of a pushing piece 14 and a friction plate 16, wherein the pushing piece 14 comprises a push rod 15 which can extend along the axial direction of the turntable 4, the push rod 15 can be controlled to stretch into the pushing piece 14 through the pushing piece 14, the friction plate 16 is arranged on the free end of the push rod 15, after the turntable 4 is switched in position, the push rod 15 is pushed by the pushing piece 14 to stretch out and drive the friction plate 16 to abut against the surface of the turntable 4, on one hand, the turntable 4 is prevented from rotating through friction force between the friction plate 16 and the turntable 4, and on the other hand, the turntable 4 is prevented from shaking axially in the stamping process through abutting of the friction plate 16 on the turntable 4. Alternatively, the pushing member 14 may be a cylinder or an oil cylinder.
Further, the clamping assembly includes:
a pair of clamping plates 17, wherein the clamping plates 17 are U-shaped plates, openings of the clamping plates 17 are opposite, and two sides of the clamping plates 17 are outwards stretched to increase the opening degree of the clamping plates 17;
And third driving means 18 for driving the pair of the clamping plates 17 toward or away from each other.
Specifically, the clamping assembly is composed of a pair of clamping plates 17 and a third driving device 18, the pair of clamping plates 17 are oppositely arranged to clamp workpieces, and the clamping plates 17 are arranged to be U-shaped and are outwards unfolded at two sides, so that the clamping plates 17 can adapt to workpieces of various shapes, and the stability of clamping workpieces of different shapes is improved. The third driving means 18 includes a pair of air cylinders or a pair of oil cylinders for driving the pair of clamp plates 17, respectively.
Further, a counterweight assembly is further arranged on the turntable 4, and the counterweight assembly adjusts the weight distribution on the turntable 4 according to the position and the weight of the workpiece clamped by the clamping assembly.
Specifically, through set up the counter weight subassembly on carousel 4 for can reduce the inhomogeneous problem of weight part on carousel 4 after installing the work piece on certain centre gripping station, offset the centrifugal force that the work piece produced when carousel 4 rotates, guarantee that carousel 4 is rotatory more stable.
Further, the counterweight assembly includes:
The annular groove 19 is formed in the peripheral edge of the top surface of the turntable 4, and an annular guide rail 20 is arranged in the annular groove 19;
A plurality of balancing weights 21, balancing weights 21 are slidably mounted on annular guide rail 20.
Specifically, the cross section of the annular groove 19 is T-shaped, the annular guide rail 20 is disposed inside the annular groove 19, and the cross section of the annular guide rail 20 is also T-shaped and fixed with the bottom surface of the annular groove 19. One side of the balancing weight 21 extends into the annular groove 19 and is in sliding connection with the annular guide rail 20, the sliding direction is along the extending direction of the annular guide rail 20, and the weight distribution on the turntable 4 can be ensured to be uniform by adjusting the position of the balancing weight 21 along the annular guide rail 20. The weight distribution on the turntable 4 can be adjusted by a single weight 21 or can be adjusted cooperatively by a plurality of weights 21. The weight 21 is made of a material with a relatively high density, and optionally, the weight 21 is a tungsten block.
Further, the balancing weight 21 is provided with a locking pin 24, the locking pin 24 penetrates through the balancing weight 21 and is in threaded connection with the balancing weight 21, and the locking pin 24 is abutted to the annular guide rail 20 to limit the balancing weight 21 to move.
Specifically, after the position of the balancing weights 21 is adjusted, the positions of the balancing weights 21 need to be locked, so that a locking pin 24 is arranged on each balancing weight 21, the locking pin 24 is a threaded rod penetrating through the balancing weights 21, the locking pin 24 is in threaded connection with the balancing weights 21, one end of the locking pin 24 extends into the annular groove 19, and the other end of the locking pin is provided with a handle 25 which is used for facilitating rotation. After the position of the weight 21 is adjusted, the lock pin 24 is rotated to bring the free end of the lock pin 24 into contact with the circular guide rail 20, and the weight 21 is fixed by friction between the lock pin 24 and the circular guide rail 20.
Furthermore, the hard alloy wear-resistant piece is inlaid on the limiting inclined plane 8.
Specifically, by embedding the hard alloy wear-resistant plate on the limiting inclined surface 8, the wear resistance of the locking member 6 can be improved, and the wear of the locking member 6 caused by long-term cooperation between the locking member 6 and the locking groove 7 can be further reduced.
Further, a first bearing 22 is disposed between the turntable 4 and the support arm 2, and a second bearing 23 is disposed between the rotation shaft of the turntable 4 and the drive disk 11.
Specifically, in order to reduce the friction force when the turntable 4 and the support arm 2 rotate relatively, a first bearing 22 is arranged between the turntable 4 and the support arm 2, an inner ring of the first bearing 22 is fixed with the support arm 2, and an outer ring of the first bearing 22 is fixed with the inner side of the turntable 4. In order to reduce friction force when the rotary shaft of the turntable 4 and the driving disk 11 relatively rotate, a second bearing 23 is provided between the rotary shaft of the turntable 4 and the driving disk 11, an inner ring of the second bearing 23 is fixed to the rotary shaft of the turntable 4, and an outer ring of the second bearing 23 is fixed to an inner side of the driving disk 11.
The above description is only illustrative of the preferred embodiments of the present application and of the principles of the technology employed. It will be appreciated by persons skilled in the art that the scope of the application referred to in the present application is not limited to the specific combinations of the technical features described above, but also covers other technical features formed by any combination of the technical features described above or their equivalents without departing from the inventive concept. Such as the above-mentioned features and the technical features disclosed in the present application (but not limited to) having similar functions are replaced with each other.
Claims (10)
1. The utility model provides a hydraulic locking formula carousel positioner of numerical control punch press which characterized in that includes:
The hydraulic pressure device comprises a base (1), wherein a supporting arm (2) is arranged on the top surface of the base (1), and a hydraulic punch rod (3) is arranged on the top of the supporting arm (2);
The rotary table (4) is rotatably arranged on the base (1) and is coaxially arranged with the supporting arm (2), a plurality of workpiece clamping stations are arranged on the rotary table (4), and clamping assemblies are arranged on the workpiece clamping stations;
The locking pieces (6) are distributed on the outer peripheral side of the turntable (4) and can slide relative to the base (1), and the locking pieces (6) are driven by a locking driving assembly to synchronously move along the radial direction of the turntable (4) so as to radially lock the turntable (4);
The axial positioning assembly is arranged on the supporting arm (2) and is used for axially locking the turntable (4).
2. The hydraulic locking type rotary table positioning device of the numerical control punch press according to claim 1 is characterized in that a locking groove (7) for inserting a locking piece (6) is formed in the peripheral side of the rotary table (4), the locking groove (7) is a conical groove, a limiting inclined plane (8) is arranged on the locking piece (6) corresponding to the locking groove (7), and a round corner transition is arranged at the front end of the limiting inclined plane (8).
3. The hydraulic locking type rotary table positioning device of the numerical control punch press according to claim 2 is characterized in that guide grooves (9) which are the same in number as the locking pieces (6) are arranged on the base (1), the guide grooves (9) extend along the radial direction of the rotary table (4), a connecting rod (10) is slidably arranged in the guide grooves (9), and one end of the connecting rod (10) is fixedly connected with the locking pieces (6);
the lock drive assembly includes:
The driving disc (11), the driving disc (11) is rotatably arranged in the base (1), the driving disc (11) and the rotary disc (4) are coaxially arranged, arc-shaped grooves (12) which are in one-to-one correspondence with the guide grooves (9) are formed in the driving disc (11), and the arc-shaped grooves (12) are matched with the guide grooves (9) to enable the connecting rod (10) to slide along the guide grooves (9);
-a second drive means (13), said second drive means (13) being arranged to drive said drive disc (11) in rotation.
4. A hydraulic locking type rotary table positioning device of a numerical control press according to claim 3, characterized in that the axial positioning assembly comprises a plurality of pushing pieces (14), the pushing pieces (14) are fixed on the side walls of the supporting arms (2), the pushing pieces (14) are provided with pushing rods (15) which are telescopic along the axial direction of the rotary table (4), and friction plates (16) are arranged at the free ends of the pushing rods (15).
5. The hydraulic lock type turntable positioning device of a numerical control press according to claim 4, wherein the clamping assembly comprises:
The clamping plates (17) are U-shaped plates, openings of the clamping plates (17) are opposite, and two sides of the clamping plates (17) are outwards stretched to increase the opening degree of the clamping plates (17);
And a third driving device (18), wherein the third driving device (18) is used for driving the pair of clamping plates (17) to be close to or far away from each other.
6. The hydraulic locking type rotary table positioning device of the numerical control press according to claim 5, wherein a counterweight assembly is further arranged on the rotary table (4), and the counterweight assembly adjusts the weight distribution on the rotary table (4) according to the position and the weight of the workpiece clamped by the clamping assembly.
7. The hydraulic lock type turntable positioning device of a numerical control press according to claim 6, wherein the weight assembly includes:
the annular groove (19) is formed in the peripheral edge of the top surface of the turntable (4), and an annular guide rail (20) is arranged in the annular groove (19);
The balancing weights (21) are slidably mounted on the annular guide rail (20).
8. The hydraulic locking type turntable positioning device of a numerical control punch press according to claim 7 is characterized in that a locking pin (24) is arranged on the balancing weight (21), the locking pin (24) penetrates through the balancing weight (21) and is in threaded connection with the balancing weight (21), and the locking pin (24) is abutted to the annular guide rail (20) to limit the balancing weight (21) to move.
9. The hydraulic locking type turntable positioning device of the numerical control punch press according to claim 8 is characterized in that hard alloy wear-resisting sheets are inlaid on the limiting inclined surfaces (8).
10. The hydraulic locking type rotary table positioning device of the numerical control press according to claim 9, characterized in that a first bearing (22) is arranged between the rotary table (4) and the supporting arm (2), and a second bearing (23) is arranged between the rotating shaft of the rotary table (4) and the driving plate (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520930566.8U CN223833280U (en) | 2025-05-13 | 2025-05-13 | A hydraulic locking rotary table positioning device for a CNC punch press |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202520930566.8U CN223833280U (en) | 2025-05-13 | 2025-05-13 | A hydraulic locking rotary table positioning device for a CNC punch press |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN223833280U true CN223833280U (en) | 2026-01-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202520930566.8U Active CN223833280U (en) | 2025-05-13 | 2025-05-13 | A hydraulic locking rotary table positioning device for a CNC punch press |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN223833280U (en) |
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- 2025-05-13 CN CN202520930566.8U patent/CN223833280U/en active Active
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