CN211414240U - Numerical control press with anti-rotation device - Google Patents
Numerical control press with anti-rotation device Download PDFInfo
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- CN211414240U CN211414240U CN201921638831.6U CN201921638831U CN211414240U CN 211414240 U CN211414240 U CN 211414240U CN 201921638831 U CN201921638831 U CN 201921638831U CN 211414240 U CN211414240 U CN 211414240U
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- rotation device
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- screw rod
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Abstract
The utility model discloses a take anti-rotation device's numerical control press, which comprises a housing, install a lead screw in the casing in the vertical direction, the lead screw top is connected with servo motor through drive mechanism, install the screw on the lead screw, a hollow last-generation shaft has been cup jointed in the screw outside, the screw upper end connect in hollow last-generation shaft top is inboard, hollow last-generation shaft can be along with the screw and be reciprocating motion on the lead screw rectilinear direction, hollow last-generation shaft one side still is connected with anti-rotation device. The anti-rotation device and the shell are integrated, the hollow pressing shaft is prevented from rotating, the linearity of axial movement of the hollow pressing shaft is guaranteed, the stability and the working precision of press mounting are improved, main press mounting parameters such as force, displacement and speed can be set in software through the arrangement of the force sensor and the PLC, and a stopping mode of precise press mounting can also be set, so that the aim of quantitatively controlling the press mounting process is fulfilled.
Description
Technical Field
The utility model relates to a press technical field particularly, relates to a take anti-rotation device's numerical control press.
Background
The unit numerical control press is specially designed for precise press-fitting connection, forming and measurement tasks, has the application occasion with the force-displacement monitoring function, is an upgrading and updating product of traditional hydraulic, gas-liquid and pneumatic actuating mechanisms, has the outstanding characteristics of environmental protection, energy conservation, integrated design, convenient installation, low maintenance operation, flexibility, precise positioning, high repeatability, precise press-fitting force setting and the like, and is the priority of an integrated application designer of automatic press-fitting equipment.
The pressure shaft of the existing press machine is often rotated due to an external unstable environment or too long use in the working process, and the linearity of the axial movement of the pressure shaft is difficult to ensure, so that the working precision of the pressure shaft is influenced.
SUMMERY OF THE UTILITY MODEL
An object of the application is to provide a take rotation preventing device's numerical control press to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme:
the utility model provides a take anti-rotation device's numerical control press, includes the casing, install a lead screw in the casing in the vertical direction, the lead screw top is connected with servo motor through drive mechanism, install the screw on the lead screw, a hollow last item has been cup jointed in the screw outside, the screw upper end connect in hollow last item top is inboard, hollow last item can be along the screw reciprocating motion on the straight line direction along with the screw, hollow last item one side still is connected with anti-rotation device.
Furthermore, a force sensor is installed at the bottom of the hollow pressing shaft, and the force sensor and the servo motor are both connected with a PLC (programmable logic controller).
Further, the anti-rotation device comprises an anti-rotation shaft, the anti-rotation shaft is parallel to the screw rod and is arranged inside the machine shell, an anti-rotation linear bearing is installed on the anti-rotation shaft, and the anti-rotation linear bearing is connected to one end of the hollow pressing shaft.
Furthermore, the anti-rotation device further comprises an anti-rotation guide key, the anti-rotation guide key is installed at one end of the hollow pressing shaft, and a corresponding guide groove is formed in the inner side of the casing.
Further, drive mechanism includes driving pulley, driven pulleys and hold-in range, driving pulley install in the servo motor output, driven pulleys install in the lead screw top, driving pulley passes through the hold-in range with driven pulleys and is connected.
Further, the lead screw adopts a precise ball lead screw shaft.
Further, the screw rod is installed inside the casing through a rolling bearing and a bearing seat.
Further, a self-lubricating sliding bearing is installed between the hollow pressing shaft and the bottom of the machine shell.
The utility model discloses the beneficial effect who brings has:
1. the anti-rotation device and the shell are integrated, so that the hollow pressing shaft is prevented from rotating, the linearity of axial movement of the hollow pressing shaft is guaranteed, and the stability and the working precision of press mounting are improved.
2. Through the arrangement of the force sensor and the PLC, main press-fitting parameters such as force, displacement, speed and the like can be set in software, and the purpose of quantitatively controlling the press-fitting process can be realized by setting a stop mode of precise press-fitting, such as a press-fitting position stop mode and a press-fitting load stop mode.
3. The self-lubricating sliding bearing arranged between the hollow pressing shaft and the shell can play a role in lubricating, and can ensure the linearity of the axial movement of the hollow pressing shaft again, so that the stability and the working precision of the press mounting process are further improved.
Drawings
Fig. 1 is a cross-sectional view of a numerical control press with an anti-rotation device according to embodiment 1 of the present invention.
Fig. 2 is a cross-sectional view of a numerical control press with an anti-rotation device according to embodiment 2 of the present invention.
In the figure: 1-shell, 2-hollow press shaft, 3-precision ball screw shaft, 4-nut, 5-rolling bearing, 6-bearing seat, 7-driven pulley, 8-synchronous belt, 9-driving pulley, 10-servo motor, 11-anti-rotation linear bearing, 12-anti-rotation shaft, 13-self-lubricating sliding bearing, 14-force sensor and 15-anti-rotation guide key.
Detailed Description
The technical solution of the present invention will be described in further detail with reference to the following embodiments.
Example 1
Referring to fig. 1, a digital controlled press with an anti-rotation device includes an inverted L-shaped casing 1, a precision ball screw shaft 3 is installed in the casing 1 in a vertical direction through a rolling bearing 5 and a bearing seat 6, and a servo motor 10 is connected to the top of the precision ball screw shaft 3 through a transmission mechanism.
The transmission mechanism comprises a driving belt wheel 9, a driven belt wheel 7 and a synchronous belt 8, the driving belt wheel 9 is installed at the output end of a servo motor 10, the driven belt wheel 7 is installed at the top end of the precision ball screw shaft 3, and the driving belt wheel 9 is connected with the driven belt wheel 7 through the synchronous belt 8.
Install screw 4 on the accurate ball screw axle 3, a hollow last item 2 has been cup jointed in the 4 outsides of screw, and screw 4 upper end is connected in the inboard at 2 tops of hollow last item, and hollow last item 2 can be along the screw 4 reciprocating motion on the accurate ball screw axle 3 rectilinear direction, installs self-lubricating slide bearing 13 between hollow last item 2 and the casing 1 bottom to guarantee the straightness nature of hollow last item 2 motion.
The force sensor 14 is installed at the bottom of the hollow pressure shaft 2, and the force sensor 14 and the servo motor 10 are both connected with a PLC (programmable logic controller (PLC) which is not shown in the figure due to the view angle relation).
One side of the hollow pressing shaft 2 is also connected with an anti-rotating device.
Anti-rotation device includes the anti-rotation axle 12 that sets up on one side of the accurate ball screw axle 3 in the casing 1, prevent installing on the anti-rotation axle 12 and prevent changeing linear bearing 11, prevent changeing linear bearing 11 and connect in 2 one ends of hollow last item, prevent changeing axle 12 and make screw 4 convert rotary motion into linear motion through preventing changeing linear bearing 11, and drive hollow last item 2 and carry out linear motion, carry out linear motion's in-process at hollow last item 2, but the pressure of real-time detection pressure equipment in-process through installing the force transducer 14 at its front end. The displacement can be calculated from the encoder value of the servo motor 10.
Example 2
On the basis of the embodiment 1, the anti-rotation device also comprises another technical scheme:
referring to fig. 2, the rotation preventing device includes a rotation preventing guide key 15, the rotation preventing guide key 15 is installed at one end of the hollow pressing shaft 2, a corresponding guide groove is formed in the inner side of the casing 1, and the rotation preventing guide key 15 is matched with the guide groove to convert the rotation motion of the screw nut 4 into the linear motion and drive the hollow pressing shaft 2 to perform the linear motion.
In the description of the present invention, it is to be understood that the terms "bottom", "top", "one end", and the like, indicate directions or positional relationships based on those shown in the drawings, merely for convenience of description and simplification of description, and do not indicate or imply that the device or component referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the present invention.
The above detailed description of the embodiments of the present invention is only for the preferred embodiments of the present invention, and should not be considered as limiting the scope of the present invention. All the equivalent changes and improvements made according to the application scope of the present invention should still fall within the patent coverage of the present invention.
Claims (8)
1. The utility model provides a take anti-rotation device's numerical control press which characterized in that: the screw rod pressing machine comprises a machine shell, a screw rod is installed in the machine shell in the vertical direction, the top of the screw rod is connected with a servo motor through a transmission mechanism, a screw nut is installed on the screw rod, a hollow pressing shaft is sleeved on the outer side of the screw nut, the upper end of the screw nut is connected to the inner side of the top of the hollow pressing shaft, the hollow pressing shaft can reciprocate along the screw nut in the linear direction of the screw rod, and an anti-rotation device is further connected to one side of the hollow pressing shaft.
2. The numerically controlled press with anti-rotation device according to claim 1, characterized in that: and a force sensor is arranged at the bottom of the hollow pressing shaft, and the force sensor and the servo motor are both connected with a PLC (programmable logic controller).
3. The numerically controlled press with anti-rotation device according to claim 2, characterized in that: the anti-rotation device comprises an anti-rotation shaft, the anti-rotation shaft is parallel to the screw rod and is arranged inside the shell, an anti-rotation linear bearing is installed on the anti-rotation shaft, and the anti-rotation linear bearing is connected to one end of the hollow pressing shaft.
4. The numerically controlled press with anti-rotation device according to claim 2, characterized in that: the anti-rotation device further comprises an anti-rotation guide key, the anti-rotation guide key is mounted at one end of the hollow pressing shaft, and a corresponding guide groove is formed in the inner side of the casing.
5. The numerically controlled press with anti-rotation device according to claim 1, characterized in that: the transmission mechanism comprises a driving belt wheel, a driven belt wheel and a synchronous belt, the driving belt wheel is installed at the output end of the servo motor, the driven belt wheel is installed at the top end of the screw rod, and the driving belt wheel is connected with the driven belt wheel through the synchronous belt.
6. The numerically controlled press with anti-rotation device according to claim 1, characterized in that: the screw rod adopts a precise ball screw rod shaft.
7. The numerically controlled press with anti-rotation device according to claim 1, characterized in that: the screw rod is arranged inside the shell through a rolling bearing and a bearing seat.
8. The numerically controlled press with anti-rotation device according to claim 1, characterized in that: and a self-lubricating sliding bearing is arranged between the hollow pressing shaft and the bottom of the machine shell.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638831.6U CN211414240U (en) | 2019-09-29 | 2019-09-29 | Numerical control press with anti-rotation device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921638831.6U CN211414240U (en) | 2019-09-29 | 2019-09-29 | Numerical control press with anti-rotation device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211414240U true CN211414240U (en) | 2020-09-04 |
Family
ID=72281814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921638831.6U Active CN211414240U (en) | 2019-09-29 | 2019-09-29 | Numerical control press with anti-rotation device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211414240U (en) |
-
2019
- 2019-09-29 CN CN201921638831.6U patent/CN211414240U/en active Active
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