CN217666825U - Rotor draws internal spline hole anchor clamps - Google Patents

Abstract

The utility model provides a rotor draws internal spline hole anchor clamps relates to anchor clamps technical field, including the dabber, the one end rotation of dabber is connected with the nut, the dabber is located broaching machine piston rod base, the top that the top surface of dabber is located broaching machine piston rod base is provided with the guide pin bushing, the surface of guide pin bushing is provided with protection drum a, the surface of dabber is provided with protection drum b, during the in-service use, through setting up dabber, nut, broaching machine piston rod base, guide pin bushing, protection drum a, protection drum b, cylinder compression spring a, jack catch, cylinder compression spring b, plug screw, air pipe joint, trachea, broach positioning seat, rotor positioning seat, broaching machine workstation, by processing rotor and internal spline hole broach, utilize to draw internal spline hole anchor clamps at the rotor and increase protection drum, blow and increase the three aspect of sealing member and prevent that iron fillings from getting into, and rational in infrastructure, job stabilization is reliable, has reduced the anchor clamps cost.

Description

Rotor draws internal spline hole anchor clamps

Technical Field

The utility model relates to an anchor clamps technical field especially relates to a rotor draws internal spline hole anchor clamps.

Background

The rotor, the cylinder body, the spherical hinge and other parts of the hydraulic pump or the hydraulic motor are in spline connection with the driving shaft, so that the mechanical processing, assembly and maintenance can be facilitated, wherein the involute inner spline and the involute outer spline are matched and can be automatically centered, the strength of a part base is weakened, the application is the most extensive, the tooth profile of the involute inner spline is complex, the requirement on the vertical precision of an inner spline hole relative to the end surface is very high, a formed inner spline broach is usually adopted for one-time broaching forming on a vertical inner broaching machine, scrap iron is downwards dropped and discharged when the vertical inner broaching machine works, the existing broaching machine clamp at the lower part of the broaching machine is insufficient in protection, the phenomena of clamping stagnation and damage caused by scrap iron entering between clamp sliding parts are frequently generated in use, the processing is unstable, the cost is increased, and the improvement is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a rotor pull internal spline hole clamp.

In order to realize the purpose, the utility model adopts the following technical scheme: the utility model provides a rotor draws internally splined hole anchor clamps, includes the dabber, the one end of dabber rotates and is connected with the nut, the dabber is located broaching machine piston rod base, the top that the top surface of dabber is located broaching machine piston rod base is provided with the guide pin bushing, the surface of guide pin bushing is provided with protection drum a, the surface of dabber is provided with protection drum b, the inside of guide pin bushing is provided with the jack catch, be provided with cylinder compression spring b between jack catch and the dabber, be provided with cylinder compression spring a between guide pin bushing and the dabber, the inside of guide pin bushing is located one side position department and is provided with the plug, the bottom of dabber is equipped with the air pipe connector admittedly, the inside of air pipe connector is provided with the trachea, the top of guide pin bushing is provided with the broach positioning seat, the surface of broach positioning seat has the broaching machine workstation, the top of broaching machine workstation is provided with the rotor positioning seat, the top surface of rotor is provided with the processing rotor, the downthehole that is equipped with the internally splined hole broach.

In order to prevent the nut from loosening, the utility model discloses the improvement has, be provided with plain washer a between nut and the dabber.

In order to fix protection drum b, the utility model discloses the improvement has, it is connected with hexagon socket head cap screw a to rotate between dabber and the protection drum b, be provided with plain washer b between protection drum b and the hexagon socket head cap screw a, it is connected with hexagon socket head cap screw b to rotate between broach positioning seat and the dabber, the outer disc of broach positioning seat still is provided with O shape circle.

In order to make dabber and broaching machine piston rod base be connected, the utility model discloses the improvement has, dabber lower extreme excircle is located broacher piston rod base downthehole, and the step face is flat with broacher piston rod base up end subsides, and under plain washer a and the broacher piston rod base terminal surface subsides.

In order to make the jack catch steady operation, the utility model discloses the improvement has, the cross bore and the square groove of the epaxial equipartition that is equipped with of dabber, and jack catch and cross bore and square groove sliding connection, dabber upper end excircle and guide pin bushing hole cooperation, the guide pin bushing is equipped with and holds the radial annular that contracts of contracting of jack catch.

In order to discharge the redundant air, the utility model discloses the improvement has, the exhaust hole has been seted up on the rotor positioning seat.

Compared with the prior art, the utility model has the advantages and positive effects that,

the utility model discloses in, during the in-service use, through setting up the dabber, the nut, broaching machine piston rod base, the guide pin bushing, protection drum a, protection drum b, cylinder compression spring a, the jack catch, cylinder compression spring b, the plug screw, the pipe joint, the trachea, the broach positioning seat, the rotor positioning seat, the broaching machine workstation, by processing rotor and internally splined hole broach, the utilization is drawn internally splined hole anchor clamps at the rotor and is increased the protection drum, blow and increase the three aspect of sealing member and prevent that iron fillings from getting into, rational in infrastructure, job stabilization is reliable, the anchor clamps cost is reduced.

Drawings

Fig. 1 is a schematic view of the overall structure of a rotor pull-inner spline hole fixture provided by the utility model;

fig. 2 is a schematic structural view of the claw in fig. 1 in the rotor pull internal spline hole fixture provided by the present invention;

fig. 3 is a schematic view of the expanded structure of fig. 1 in a rotor pull-internal spline hole fixture provided by the present invention;

fig. 4 is the utility model provides a rotor draws structural schematic of jack catch in fig. 2 in the internal spline hole anchor clamps.

Illustration of the drawings:

1. a mandrel; 2. a nut; 3. a flat washer a; 4. a broaching machine piston rod base; 5. a flat washer b; 6. a hexagon socket head cap screw a; 7. a guide sleeve; 8. a protective cylinder a; 9. a protective cylinder b; 10. a cylindrical compression spring a; 11. a claw; 12. a cylindrical compression spring b; 13. plugging by screwing; 14. a gas pipe joint; 15. an air tube; 16. a hexagon socket head cap screw b; 17. an O-shaped ring; 18. a broach positioning seat; 19. a rotor positioning seat; 20. a broaching machine table; 21. a rotor to be processed; 22. internal spline hole broach.

Detailed Description

In order to make the above objects, features and advantages of the present invention more clearly understood, the present invention will be further described with reference to the accompanying drawings and examples. It should be noted that the embodiments and features of the embodiments of the present application may be combined with each other without conflict.

In the following description, numerous specific details are set forth in order to provide a thorough understanding of the present invention, however, the present invention may be practiced in other ways than those specifically described herein, and therefore the present invention is not limited to the limitations of the specific embodiments of the present disclosure.

In a first embodiment, please refer to fig. 1-4, the present invention provides a technical solution: the utility model provides a rotor draws internal spline hole anchor clamps, including dabber 1, the one end of dabber 1 is rotated and is connected with nut 2, be provided with plain washer a3 between nut 2 and the dabber 1, the plain washer is the thin piece of various shapes usually, be used for keeping apart, prevent pine and take off or dispersed pressure, 1 lower extreme excircle of dabber is located broaching machine piston rod base 4 downthehole, the step face is laminated with 4 up end of broaching machine piston rod base, and plain washer a3 is laminated with 4 lower end faces of broaching machine piston rod base, the top surface of dabber 1 is located the top of broaching machine piston rod base 4 and is provided with guide pin bushing 7, the surface of guide pin bushing 7 is provided with protection drum a8, the surface of dabber 1 is provided with protection drum b9, it is connected with hexagon socket head cap screw a6 to rotate between dabber 1 and the protection drum b9, be provided with plain washer b5 between protection drum b9 and the hexagon socket head cap head screw a 6.

Referring to fig. 1-4, a jaw 11 is arranged inside a guide sleeve 7, a transverse hole and a square groove are uniformly arranged on a mandrel 1, the jaw 11 is slidably connected with the transverse hole and the square groove, an outer circle of the upper end of the mandrel 1 is matched with an inner hole of the guide sleeve 7, the guide sleeve 7 is provided with a circular groove for accommodating the jaw 11 to retract radially, a cylindrical compression spring b12 is arranged between the jaw 11 and the mandrel 1, a cylindrical compression spring a10 is arranged between the guide sleeve 7 and the mandrel 1, a plug 13 is arranged at one side position inside the guide sleeve 7, an air pipe joint 14 is fixedly arranged at the bottom end of the mandrel 1, an air pipe 15 is arranged inside the air pipe joint 14, a broach positioning seat 18 is arranged above the guide sleeve 7, an inner hexagonal cylindrical head screw b16 is rotatably connected between the broach positioning seat 18 and the mandrel 1, an O-shaped ring 17 is further arranged on the outer circular surface of the broach positioning seat 18, the O-shaped ring 17 is movably sealed along the inner hole of the broach positioning seat 20 to prevent iron chips from entering, a broaching seat 20 is provided on the outer surface of the broach positioning seat 18, a broach working table 20 is provided with a rotor 19, a rotor exhaust hole is provided on the rotor positioning seat 19, a spline hole 21 is provided in the broach positioning seat 21.

The working principle is as follows: by arranging a mandrel 1, a nut 2, a broaching machine piston rod base 4, a guide sleeve 7, a protective cylinder a8, a protective cylinder b9, a cylindrical compression spring a10, a jaw 11, a cylindrical compression spring b12, a plug 13, an air pipe joint 14, an air pipe 15, a broach positioning seat 18, a rotor positioning seat 19, a broaching machine workbench 20, a processed rotor 21 and an inner spline hole broach 22, firstly, the broaching machine piston rod base 4 drives the mandrel 1 to move upwards and return to an upper limit (controlled by a stroke switch), the guide sleeve 7 is pushed to the left side view position in figure 2 at the intersection of an inner hole and a bottom surface of the broaching machine workbench 20, the jaw 11 retracts radially under the action of a cylindrical compression spring b12, the outer end of the jaw 11 is moved into a ring groove of the guide sleeve 7, and the inner end of the jaw 11 also retracts into a transverse hole of the mandrel 1, at the moment, compressed air (controlled by an electromagnetic air valve and a time relay) is briefly introduced through an air pipe 15, an air pipe joint 14 and an air hole of a mandrel 1, scrap iron in a middle hole of the mandrel 1 is blown off, the handle part of an inner spline hole broach 22 penetrates through an inner hole of a processed rotor 21 and an inner hole of a broach positioning seat 18 to enter a middle step hole of the mandrel 1, then a broaching machine piston rod base 4 drives the mandrel 1 to gradually move downwards, a guide sleeve 7 moves upwards under the action of a cylindrical compression spring a10 until the upper end surface of the guide sleeve 7 is flush with the step surface of the broach positioning seat 18, meanwhile, the guide sleeve 7 drives a clamping jaw 11 to radially extend inwards, the inner end of the clamping jaw 11 extends out to clamp an inclined plane ring groove of the handle part of the inner spline hole broach 22, as shown in the right side view of fig. 2, finally, the broaching machine piston rod base 4 drives the mandrel 1 and the inner spline hole broach 22 to continuously move downwards until the lower limit (controlled by a travel switch), and broaching of the rotor is finished.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in other forms, and any person skilled in the art may apply the equivalent embodiments modified or modified by the above technical contents disclosed as equivalent variations to other fields, but any simple modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims (6)

1. The utility model provides a rotor draws internal spline hole anchor clamps, includes dabber (1), its characterized in that: one end of the mandrel (1) is rotatably connected with a nut (2), the mandrel (1) is positioned on a piston rod base (4) of a broaching machine, a guide sleeve (7) is arranged on the top surface of the mandrel (1) above the piston rod base (4) of the broaching machine, the outer surface of the guide sleeve (7) is provided with a protective cylinder a (8), the outer surface of the mandrel (1) is provided with a protective cylinder b (9), a clamping jaw (11) is arranged inside the guide sleeve (7), a cylindrical compression spring b (12) is arranged between the clamping jaw (11) and the mandrel (1), a cylindrical compression spring a (10) is arranged between the guide sleeve (7) and the mandrel (1), a plug (13) is arranged at one side position inside the guide sleeve (7), the bottom end of the mandrel (1) is fixedly provided with an air pipe joint (14), an air pipe (15) is arranged in the air pipe joint (14), a broach positioning seat (18) is arranged above the guide sleeve (7), the outer surface of the broach positioning seat (18) is provided with a broaching machine workbench (20), a rotor positioning seat (19) is arranged above the broaching machine workbench (20), the top surface of the rotor positioning seat (19) is provided with a processed rotor (21), and an internal spline hole broach (22) is arranged in the hole of the processed rotor (21).

2. The rotor internally splined bore clamp of claim 1, wherein: a flat washer a (3) is arranged between the nut (2) and the mandrel (1).

3. The rotor pull internally splined bore clamp of claim 2, wherein: an inner hexagonal socket head cap screw a (6) is rotatably connected between the mandrel (1) and the protective cylinder b (9), a flat washer b (5) is arranged between the protective cylinder b (9) and the inner hexagonal socket head cap screw a (6), an inner hexagonal socket head cap screw b (16) is rotatably connected between the broach positioning seat (18) and the mandrel (1), and an O-shaped ring (17) is further arranged on the outer circular surface of the broach positioning seat (18).

4. The rotor internally splined bore clamp of claim 3, wherein: the excircle of the lower end of the mandrel (1) is positioned in a hole of a piston rod base (4) of the broaching machine, the step surface is flatly attached to the upper end surface of the piston rod base (4) of the broaching machine, and the flat washer a (3) is flatly attached to the lower end surface of the piston rod base (4) of the broaching machine.

5. The rotor internally splined bore clamp of claim 4, wherein: be equipped with the cross bore and the square groove of equipartition on dabber (1), and jack catch (11) and cross bore and square groove sliding connection, dabber (1) upper end excircle and guide pin bushing (7) hole cooperation, guide pin bushing (7) are equipped with the annular that holds radial retraction of jack catch (11).

6. The rotor internally splined bore clamp of claim 1, wherein: the rotor positioning seat (19) is provided with an exhaust hole.

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