Press fitting equipment for rotating shaft
By combining the positioning and clamping mechanism with the pressure sensor, the problems of workpiece displacement and inaccurate positioning in the rotary shaft press-fitting device are solved, achieving efficient and accurate workpiece positioning and stable press-fitting, and improving the product qualification rate.
Patent Information
- Application Number
- CN202520342396.1
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-28
AI Technical Summary
Existing rotary shaft pressing devices suffer from problems such as workpiece displacement, incomplete pressing, and inaccurate positioning, resulting in scratched workpieces and low product qualification rates.
The system employs a positioning and clamping mechanism and a pressure sensor. The workpiece is held in place by a contouring fixture, the positioning pin is precisely positioned, the limit gripper holds the rear end of the workpiece, and the pressure sensor detects the pressing force to ensure accurate positioning and stable pressing of the workpiece.
It achieves precise positioning and stable pressing of workpieces, improves product yield, avoids problems of workpiece displacement and inaccurate positioning, and ensures high-quality pressing effect.
Smart Images

Figure CN223876458U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a rotating shaft press fitting equipment field especially relates to a rotating shaft's press fitting equipment. BACKGROUND
[0002] At present, in the installation of the tail wing rotating fairing of the missile, the rotating shaft is usually pressed into the tail wing fairing, and the application of the rotating shaft can ensure that the tail wing fairing is retracted to save space when the missile is in the missile well, and in the flight process, the fairing is rotated to open to ensure the stability of flight and the flight trajectory according to the predetermined trajectory.
[0003] For example, the patent document with the announcement number CN208713308U discloses a new type of connecting rod bushing press fitting equipment, which comprises a rack, a pressure bearing C-shaped frame, a pressure head device, a positioning plate, a servo moving slide table; the rack is located at the bottom of the whole machine, the pressure bearing C-shaped frame is fixed on the rack, the servo moving slide table is arranged at the lower end of the pressure bearing C-shaped frame, the positioning plate is arranged on the servo moving slide table, and the pressure head device penetrates through the upper part of the pressure bearing C-shaped frame. The scheme realizes automatic press fitting of the connecting rod bushing, the equipment is convenient to use, high in working efficiency, and can meet the press fitting of bushings with two different inner hole diameters. In the existing rotating shaft press fitting device, the phenomenon of workpiece displacement during press fitting and the phenomenon of out-of-position press fitting of the rotating shaft still exist, and if the rotating shaft and the press-in position are not accurately positioned, the workpiece may be scratched, the rotating shaft and the fairing may not be accurately attached, and the product qualification rate is low, and therefore a rotating shaft press fitting equipment capable of clamping the workpiece during press fitting of the rotating shaft is required to ensure that the press fitting position and the press fitting effect are completed with high quality. UTILITY MODEL CONTENTS
[0004] The utility model discloses a rotating shaft press fitting equipment that can solve the above -mentioned problem.
[0005] The utility model discloses a rotating shaft press fitting equipment that can solve the above -mentioned problem.
[0006] A kind of press fitting equipment of rotating shaft, including press fitting mechanism, press fitting mechanism includes press fitting rod, press fitting rod lower part is provided with positioning clamping mechanism, positioning clamping mechanism includes clamping base, clamping base top is fixedly connected with profiling tooling, profiling tooling is clamped with workpiece, clamping base rear end is slidably connected with positioning pin, positioning pin is symmetrically arranged with press fitting rod upside and downside, positioning pin can be contacted with the bottom of the workpiece to be press fitted position, clamping base rear is provided with feeding mechanism, and feeding mechanism includes feeding support, feeding support front side is fixedly connected with limit clamp hand, and limit clamp hand can hold workpiece rear end.
[0007] Preferably, the bottom of the clamping base is fixedly connected with a positioning bracket, the bottom of the positioning bracket is fixedly connected with a positioning cylinder, and the output end of the positioning cylinder is fixedly connected with the positioning pin.
[0008] Preferably, the clamping base bottom is fixedly connected with a working platform, the working platform top is fixedly connected with a pressing support, the pressing support top is fixedly connected with an electric telescopic rod, the pressing support is slidably connected with a lifting frame, and the pressing rod top is fixedly connected with the lifting frame bottom.
[0009] Preferably, the electric telescopic rod output end is slidably connected with the lifting frame lower end, the lifting frame lower end is fixedly connected with a pressure sensor, and the electric telescopic rod output end is in abutment with the pressure sensor top.
[0010] Preferably, the working platform top rear end is fixedly connected with a feeding base, the feeding base top is fixedly connected with a feeding cylinder, the feeding cylinder output end is fixedly connected with a feeding support, the feeding support is slidably connected with the feeding base, the feeding support top is fixedly connected with a lifting cylinder, the lifting cylinder output end is fixedly connected with a lifting support, and the lifting support is slidably connected with the feeding support.
[0011] Preferably, the lifting support two sides are fixedly connected with symmetrically arranged clamping cylinders, the clamping cylinder output end is fixedly connected with a clamping block, the clamping block is slidably connected with the lifting support, and the two clamping blocks are clamped with a rotating shaft.
[0012] The beneficial effect is that: through the setting of the positioning and clamping mechanism, the workpiece is stably clamped under the pressing rod by using the profiling tool, then the positioning pin is raised to ensure the accurate position of the workpiece, when the feeding mechanism feeds, the limit clamp clamps the rear end of the workpiece to ensure that the workpiece will not displace during clamping, thus realizing the functions of accurate positioning of the workpiece and stable workpiece during pressing, greatly improving the yield of the workpiece, in addition, through the setting of the pressure sensor, the change of force during pressing can detect whether the rotating shaft is pressed in place.
[0013] The additional technical features and advantages of the present application will be more apparent in the following description, or can be understood through the specific practice of the present application. BRIEF DESCRIPTION OF DRAWINGS
[0014] The accompanying drawings are used to provide a further understanding of the present application, and constitute a part of the specification, and are used together with the following specific embodiments to explain the present application, but do not constitute a limitation on the present application. In the drawings:
[0015] Figure 1 is a perspective view of a rotating shaft pressing equipment according to the present application;
[0016] Figure 2 is a left view of a rotating shaft pressing equipment according to the present application;
[0017] Figure 3 is a structure schematic view of a pressing mechanism of a rotating shaft pressing equipment according to the present application;
[0018] Figure 4 is the relative position diagram of the pressure sensor and the lifting frame of the press fitting equipment of the rotating shaft of the utility model
[0019] Figure 5 is the structural diagram of the feeding mechanism of the press fitting equipment of the rotating shaft of the utility model
[0020] Figure 6 is the relative position diagram of the feeding cylinder and the feeding base of the press fitting equipment of the rotating shaft of the utility model
[0021] Figure 7 is the relative position diagram of the positioning clamping mechanism and the working platform of the press fitting equipment of the rotating shaft of the utility model
[0022] Figure 8 is the structural diagram of the positioning clamping mechanism of the press fitting equipment of the rotating shaft of the utility model
[0023] The sign of the drawing is explained as follows:
[0024] 1, press fitting mechanism; 101, working platform; 102, press fitting support; 103, electric telescopic rod; 104, lifting frame; 105, press fitting rod; 106, pressure sensor; 2, positioning clamping mechanism; 201, clamping base; 202, profiling tooling; 203, positioning support; 204, positioning cylinder; 205, positioning pin; 3, feeding mechanism; 301, feeding base; 302, feeding support; 303, lifting support; 304, clamping cylinder; 305, clamping block; 306, lifting cylinder; 307, limiting clamp hand; 308, feeding cylinder; 309, rotating shaft; 4, workpiece. DETAILED DESCRIPTION
[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments.
[0026] In the description of the utility model, it is understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.
[0027] The utility model will be further described below in combination with the drawings:
[0028] As Figures 1-8 shown, a shaft press-fitting device, comprising a press-fitting mechanism 1, the press-fitting mechanism 1 comprising a press-fitting rod 105, below the press-fitting rod 105 is provided with a positioning and clamping mechanism 2, the positioning and clamping mechanism 2 comprising a clamping base 201, the top of the clamping base 201 is fixedly connected with a profiling tool 202, the profiling tool 202 clamps a workpiece 4, the rear end of the clamping base 201 is slidingly connected with a positioning pin 205, the positioning pin 205 is symmetrically arranged above and below the press-fitting rod 105, the positioning pin 205 can contact the bottom of the position to be press-fitted of the workpiece 4, the rear of the clamping base 201 is provided with a feeding mechanism 3, the feeding mechanism 3 comprising a feeding support 302, the front side of the feeding support 302 is fixedly connected with a limiting clamp hand 307, the limiting clamp hand 307 can clamp the rear end of the workpiece 4, the bottom of the clamping base 201 is fixedly connected with a positioning support 203, the bottom of the positioning support 203 is fixedly connected with a positioning cylinder 204, the output end of the positioning cylinder 204 is fixedly connected with the positioning pin 205, the worker clamps the workpiece 4 on the profiling tool 202, then the positioning cylinder 204 drives the positioning pin 205 to rise, the positioning pin 205 rises and touches the bottom of the position to be press-fitted of the workpiece 4, the positioning pin 205 can detect whether the workpiece 4 reaches the accurate position and position the workpiece 4.
[0029] The bottom of the clamping base 201 is fixedly connected with a working platform 101, the top of the working platform 101 is fixedly connected with a press-fitting support 102, the top of the press-fitting support 102 is fixedly connected with an electric telescopic rod 103, the press-fitting support 102 is slidingly connected with a lifting frame 104, the top of the press-fitting rod 105 is fixedly connected with the bottom of the lifting frame 104, the output end of the electric telescopic rod 103 is slidingly connected with the lower end of the lifting frame 104, the lower end of the lifting frame 104 is fixedly connected with a pressure sensor 106, the output end of the electric telescopic rod 103 is in contact with the top of the pressure sensor 106, after the workpiece 4 is clamped and positioned and the rotating shaft 309 reaches above the position to be press-fitted of the workpiece 4, the electric telescopic rod 103 drives the lifting frame 104 to move downward, the press-fitting rod 105 drives the pressing rotating shaft 309 into the workpiece 4, at this time the pressure sensor 106 can sense the pressure applied by the electric telescopic rod 103 to the lifting frame 104, and the electric telescopic rod 103 stops elongating when reaching the predetermined value, thus completing the press-fitting of the rotating shaft.
[0030] The top rear end of the work platform 101 is fixedly connected with a feeding base 301, the top of the feeding base 301 is fixedly connected with a feeding cylinder 308, the output end of the feeding cylinder 308 is fixedly connected with a feeding support 302, the feeding support 302 is slidingly connected with the feeding base 301, the top of the feeding support 302 is fixedly connected with a lifting cylinder 306, the output end of the lifting cylinder 306 is fixedly connected with a lifting support 303, the lifting support 303 is slidingly connected with the feeding support 302, the two sides of the lifting support 303 are fixedly connected with symmetrically arranged clamping cylinders 304, the output end of the clamping cylinder 304 is fixedly connected with a clamping block 305, the clamping block 305 is slidingly connected with the lifting support 303, the rotating shaft 309 is clamped in the middle of the two clamping blocks 305, the worker places the rotating shaft 309 between the two clamping blocks 305, the clamping cylinder 304 drives the clamping block 305 to move, the clamping block 305 clamps the rotating shaft 309 in the middle, the feeding cylinder 308 is elongated to drive the feeding support 302 to move forward, the feeding support 302 drives the rotating shaft 309 to move to above the to-be-pressed position of the workpiece 4, at the same time, the feeding support 302 drives the limiting clamp hand 307 to move, the limiting clamp hand 307 clamps the rear end of the workpiece 4 to limit the displacement of the workpiece 4, in the process that the pressing rod 105 presses the clamping block 305 into the workpiece 4, the clamping block 305 still needs to clamp the rotating shaft 309, at this time, the lifting cylinder 306 is elongated to drive the lifting support 303 to descend, the lifting support 303 drives the rotating shaft 309 to descend, the descending rate of the lifting support 303 should be the same as the descending rate of the lifting frame 104, when the rotating shaft 309 receives a certain supporting force of the workpiece 4, the clamping block 305 releases the clamping of the rotating shaft 309, and the feeding mechanism 3 is reset.
[0031] Working principle: the worker clamps the workpiece 4 on the profiling tool 202, and then the positioning cylinder 204 drives the positioning pin 205 to rise, the positioning pin 205 rises and touches the bottom of the position to be pressed and mounted of the workpiece 4, the positioning pin 205 can detect whether the workpiece 4 reaches the accurate position and position the workpiece 4, the worker places the rotating shaft 309 between the two clamping blocks 305, the clamping cylinder 304 drives the clamping block 305 to move, the clamping block 305 clamps the rotating shaft 309 in the middle, the feeding cylinder 308 is elongated to drive the feeding support 302 to move forward, the feeding support 302 drives the rotating shaft 309 to move above the position to be pressed and mounted of the workpiece 4, at the same time, the feeding support 302 drives the limiting clamp hand 307 to move, the limiting clamp hand 307 clamps the rear end of the workpiece 4 to limit the displacement of the workpiece 4, the workpiece 4 is clamped and positioned, and after the rotating shaft 309 reaches above the position to be pressed and mounted of the workpiece 4, the electric telescopic rod 103 drives the lifting frame 104 to move down, the pressing rod 105 drives the rotating shaft 309 to enter the workpiece 4, in the process that the pressing rod 105 presses the clamping block 305 to enter the workpiece 4, the clamping block 305 still needs to clamp the rotating shaft 309, at this time, the lifting cylinder 306 is elongated to drive the lifting support 303 to descend, the lifting support 303 drives the rotating shaft 309 to descend, the descending speed of the lifting support 303 should be the same as the descending speed of the lifting frame 104, when the rotating shaft 309 receives a certain supporting force of the workpiece 4, the clamping block 305 releases the clamping of the rotating shaft 309, and the feeding mechanism 3 resets, in the pressing process of the pressing rod 105, the pressure sensor 106 can sense the pressure applied by the electric telescopic rod 103 to the lifting frame 104, and the electric telescopic rod 103 stops elongation when reaching a predetermined value, so that the pressing of the rotating shaft is completed.
[0032] The basic principle, main features and advantages of the present application are shown and described above. It should be understood by those skilled in the art that the present application is not limited by the above embodiments, and the above embodiments and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application.
Claims
1. A press fitting apparatus of a rotating shaft, comprising a press fitting mechanism (1), characterized in that: The press-fitting mechanism (1) comprises a press-fitting rod (105), a positioning clamping mechanism (2) is arranged below the press-fitting rod (105), the positioning clamping mechanism (2) comprises a clamping base (201), a profiling tool (202) is fixedly connected to the top of the clamping base (201), a workpiece (4) is clamped on the profiling tool (202), a positioning pin (205) is slidably connected to the rear end of the clamping base (201), the positioning pin (205) is arranged symmetrically above and below the press-fitting rod (105), the positioning pin (205) can be in contact with the bottom of the position to be press-fitted of the workpiece (4), a feeding mechanism (3) is arranged behind the clamping base (201), the feeding mechanism (3) comprises a feeding support (302), a limiting clamp hand (307) is fixedly connected to the front side of the feeding support (302), and the limiting clamp hand (307) can clamp the rear end of the workpiece (4).
2. The press fitting apparatus of a rotating shaft according to claim 1, wherein: The clamping base (201) is fixedly connected with a positioning support (203) at the bottom, the positioning support (203) is fixedly connected with a positioning air cylinder (204) at the bottom, and the output end of the positioning air cylinder (204) is fixedly connected with the positioning pin (205).
3. The press fitting apparatus of claim 1, wherein: The clamping base (201) is fixedly connected with a work platform (101) at the bottom, the work platform (101) is fixedly connected with a press-fitting support (102) at the top, the press-fitting support (102) is fixedly connected with an electric telescopic rod (103) at the top, the press-fitting support (102) is slidably connected with a lifting frame (104), and the top of the press-fitting rod (105) is fixedly connected with the bottom of the lifting frame (104).
4. The press fitting apparatus of a rotating shaft according to claim 3, wherein: The output end of the electric telescopic rod (103) is slidably connected with the lower end of the lifting frame (104), the lower end of the lifting frame (104) is fixedly connected with a pressure sensor (106), and the output end of the electric telescopic rod (103) is in contact with the top of the pressure sensor (106).
5. The press fitting apparatus of claim 3, wherein: The work platform (101) is fixedly connected with a feeding base (301) at the top and rear end, the feeding base (301) is fixedly connected with a feeding air cylinder (308) at the top, the output end of the feeding air cylinder (308) is fixedly connected with the feeding support (302), the feeding support (302) is slidably connected with the feeding base (301), the feeding support (302) is fixedly connected with a lifting air cylinder (306) at the top, the output end of the lifting air cylinder (306) is fixedly connected with a lifting support (303), and the lifting support (303) is slidably connected with the feeding support (302).
6. A press fitting apparatus for a rotating shaft according to claim 5, wherein: The lifting support (303) is fixedly connected with symmetrically arranged clamping air cylinders (304) on both sides, the output end of the clamping air cylinder (304) is fixedly connected with a clamping block (305), the clamping block (305) is slidably connected with the lifting support (303), and a rotating shaft (309) is clamped in the middle of the two clamping blocks (305).
Citation Information
Patent Citations
Novel connecting rod bush press fitting equipment
CN208713308U