CN217077765U

CN217077765U - Carbonitriding surface treatment protection tool for steering connecting shaft

Info

Publication number: CN217077765U
Application number: CN202220861969.8U
Authority: CN
Inventors: 沈洪卫; 冯林; 陈东
Original assignee: Tongxiang Tiefeng Machinery Co ltd
Current assignee: Tongxiang Tiefeng Machinery Co ltd
Priority date: 2022-04-13
Filing date: 2022-04-13
Publication date: 2022-07-29
Anticipated expiration: 2032-04-13

Abstract

The utility model relates to a carbonitriding surface treatment protection frock that turns to connecting axle. The utility model discloses a flabellum, go up the go-between, go up the connecting rod, go up the frock groove, go up the go-between, lower connecting rod and lower frock groove, go up the go-between and fix respectively at the both ends of flabellum with lower go-between, the one end of going up the connecting rod is fixed with last frock groove, the other end of going up the connecting rod passes through the bolt and installs on last go-between, the one end of connecting rod is fixed with lower frock groove down, the other end of connecting rod is fixed with lower connecting ring down, and its structural feature lies in: still include buffer gear, buffer gear installs on lower tool groove, buffer gear includes spring, clamp plate and clamping ring, the tool groove is under all installed to spring and clamp plate, the one end and the tool groove butt of spring down, the other end and the clamp plate butt of spring, clamp plate and clamping ring contact, the clamping ring rotates to be installed under on the tool groove.

Description

Carbonitriding surface treatment protection tool for steering connecting shaft

Technical Field

The utility model relates to a carbonitriding surface treatment protection frock that turns to connecting axle.

Background

Carbonitriding is a process of simultaneously permeating carbon and nitrogen into the surface layer of steel, is conventionally called as cyaniding, and is widely applied to medium-temperature gas carbonitriding and low-temperature gas carbonitriding at present, the main purpose of medium-temperature gas carbonitriding is to improve the hardness, wear resistance and fatigue strength of steel, and the main purpose of low-temperature gas carbonitriding is to improve the wear resistance and seizure resistance of steel. Need use the protection frock when carrying out carbonitriding to the steering connection axle and handle, the inconvenient spring of changing of protection frock among the prior art, its shock-absorbing capacity is relatively poor, and product quality is difficult to guarantee.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a structural design reasonable's carbonitriding surface treatment protection frock that turns to the connecting axle.

The utility model provides a technical scheme that above-mentioned problem adopted is: this turn to carbonitriding surface treatment protection frock of connecting axle, include the flabellum, go up the go-between, go up the connecting rod, go up the frock groove, go up the go-between, lower go-between, connecting rod and lower frock groove down, go up the go-between and fix respectively at the both ends of flabellum with lower go-between, the one end of going up the connecting rod is fixed with last frock groove, the other end of going up the connecting rod passes through the bolt and installs on last go-between, the one end of connecting rod is fixed with lower frock groove down, the other end of connecting rod is fixed with lower connecting ring down, and its structural feature lies in: still include buffer gear, buffer gear installs on lower tool groove, buffer gear includes spring, clamp plate and clamping ring, the tool groove is under all installed to spring and clamp plate, the one end and the tool groove butt of spring down, the other end and the clamp plate butt of spring, clamp plate and clamping ring contact, the clamping ring rotates to be installed under on the tool groove.

Further, the lower tool groove is fixed with a driving shaft, and the driving shaft is driven by a motor.

Further, buffer gear still includes articulated seat, articulated shaft and articulated groove, the articulated groove sets up on the tool slot down, articulated seat sets up on the clamping ring, articulated seat passes through the articulated shaft to be installed at the articulated inslot.

Further, buffer gear still includes interior draw-in groove, draw-in groove and fixture block, interior draw-in groove sets up on the clamping ring, draw-in groove sets up on lower tool groove, the fixture block is located interior draw-in groove or draw-in groove.

Further, buffer gear still includes screw rod, swivel nut, hand wheel and hand wheel seat, the hand wheel seat is fixed on lower tool groove, the swivel nut is fixed with the hand wheel, the swivel nut rotates and installs on the hand wheel seat, the one end and the fixture block of screw rod are fixed, the other end and the swivel nut of screw rod run through.

Further, buffer gear still includes guide bar and guiding hole, the guiding hole sets up on the handwheel seat, the one end and the fixture block of guide bar are fixed, the other end of guide bar is located the guiding hole.

Furthermore, buffer gear still includes spacing groove and spacing ring, the spacing groove sets up on the hand wheel seat, the spacing ring is fixed with the swivel nut, the spacing ring is located the spacing inslot.

Further, interior draw-in groove, outer draw-in groove and fixture block all are the arc structure setting.

Compared with the prior art, the utility model has the advantages of it is following: when the workpiece is placed into the carbonitriding surface treatment protection tool for installation, the workpiece can be buffered through the spring, the surface damage of the workpiece is avoided, the spring needs to be replaced along with the disappearance of the elasticity of the spring after working for a period of time, the limiting ring can rotate in the limiting groove by the aid of the rotatable hand wheel when the spring is replaced, the screw rod is in threaded connection with the threaded sleeve, the fixture block can move in the guide hole along the guide rod, the compression ring can rotate along the hinged shaft when the fixture block moves to the outer clamping groove, the spring is replaced after the fixture block is taken out, the fixture block can be clamped by the compression ring after the spring is replaced and moved to the inner clamping groove, the workpiece can be conveniently replaced by the carbonitriding surface treatment protection tool, the fixture has good buffering performance, and the surface of the workpiece is prevented from being damaged.

Drawings

Fig. 1 is a schematic perspective view of a carbonitriding surface treatment protection tool for a steering connecting shaft according to an embodiment of the present invention.

Fig. 2 is a schematic view of a partial structure of the carbonitriding surface treatment protection tool for the steering connecting shaft according to the embodiment of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Fig. 4 is a schematic view of a partial structure of the carbonitriding surface treatment protection tool for the steering connecting shaft according to the embodiment of the present invention.

Fig. 5 is an enlarged schematic view of a portion B in fig. 4.

Fig. 6 is a schematic view of a partial structure of the carbonitriding surface treatment protection tool for the steering connecting shaft according to the embodiment of the present invention.

Fig. 7 is a schematic view of the cross-sectional structure C-C of fig. 6.

Fig. 8 is an enlarged view of the portion D in fig. 7.

Fig. 9 is an enlarged schematic view of a portion E in fig. 7.

In the figure: a fan blade 1, an upper connecting ring 2, an upper connecting rod 3, an upper tool groove 4, a lower connecting ring 5, a lower connecting rod 6, a lower tool groove 7, a buffer mechanism 8, a driving shaft 9,

The device comprises a spring 81, a pressing plate 82, a pressing ring 83, a hinge seat 84, a hinge shaft 85, a hinge groove 86, an inner clamping groove 87, an outer clamping groove 88, a clamping block 89, a guide rod 810, a guide hole 811, a screw 812, a screw sleeve 813, a hand wheel 814, a hand wheel seat 815, a limiting groove 816 and a limiting ring 817.

Detailed Description

The present invention will be described in further detail below with reference to the accompanying drawings by way of examples, which are illustrative of the present invention and are not intended to limit the present invention.

Examples are given.

Referring to fig. 1 to 9, it should be understood that the structures, ratios, sizes, etc. shown in the drawings attached to the present specification are only used for matching with the contents disclosed in the specification, so as to be known and read by those skilled in the art, and are not used for limiting the limit conditions that the present invention can be implemented, so that the present invention has no technical essence, and any modification of the structures, changes of the ratio relationship, or adjustment of the sizes should still fall within the scope that the technical contents disclosed in the present invention can cover without affecting the efficacy and the achievable purpose of the present invention. Meanwhile, in the present specification, if there are terms such as "upper", "lower", "left", "right", "middle" and "one", they are used for clarity of description only, and are not intended to limit the scope of the present invention, and changes or adjustments of the relative relationship thereof are considered as the scope of the present invention without substantial changes in the technical content.

The carbonitriding surface treatment protection tool for the steering connecting shaft in the embodiment comprises a fan blade 1, an upper connecting ring 2, an upper connecting rod 3, an upper tool groove 4, a lower connecting ring 5, a lower connecting rod 6, a lower tool groove 7 and a buffer mechanism 8, wherein the upper connecting ring 2 and the lower connecting ring 5 are respectively fixed at two ends of the fan blade 1, one end of the upper connecting rod 3 is fixed with the upper tool groove 4, the other end of the upper connecting rod 3 is installed on the upper connecting ring 2 through a bolt, one end of the lower connecting rod 6 is fixed with the lower tool groove 7, the other end of the lower connecting rod 6 is fixed with the lower connecting ring 5, the buffer mechanism 8 is installed on the lower tool groove 7, the lower tool groove 7 is fixed with a driving shaft 9, and the driving shaft 9 is driven by a motor.

The buffer mechanism 8 in this embodiment includes a spring 81, a pressing plate 82, a pressing ring 83, a hinge seat 84, a hinge shaft 85, a hinge groove 86, an inner groove 87, an outer groove 88, a latch 89, a guide rod 810, a guide hole 811, a screw 812, a screw 813, a hand wheel 814, a hand wheel seat 815, a limit groove 816, and a limit ring 817, the hinge groove 86 is disposed on the lower tooling groove 7, the hinge seat 84 is disposed on the pressing ring 83, and the hinge seat 84 is mounted in the hinge groove 86 through the hinge shaft 85.

In this embodiment, the spring 81 and the pressing plate 82 are both installed in the lower tool groove 7, one end of the spring 81 is abutted to the lower tool groove 7, the other end of the spring 81 is abutted to the pressing plate 82, the pressing plate 82 is in contact with the pressing ring 83, and the pressing ring 83 is rotatably installed on the lower tool groove 7.

In this embodiment, the inner clamping groove 87 is arranged on the pressing ring 83, the outer clamping groove 88 is arranged on the lower tooling groove 7, the clamping block 89 is positioned in the inner clamping groove 87 or the outer clamping groove 88, and the inner clamping groove 87, the outer clamping groove 88 and the clamping block 89 are all arranged in an arc-shaped structure.

In this embodiment, the hand wheel seat 815 is fixed to the lower tool groove 7, the screw sleeve 813 is fixed to the hand wheel 814, the screw sleeve 813 is rotatably installed on the hand wheel seat 815, one end of the screw 812 is fixed to the fixture block 89, and the other end of the screw 812 penetrates through the screw sleeve 813.

In this embodiment, the guide hole 811 and the limiting groove 816 are both disposed on the hand wheel base 815, one end of the guide rod 810 is fixed to the fixture block 89, the other end of the guide rod 810 is located in the guide hole 811, the limiting ring 817 is fixed to the screw sleeve 813, and the limiting ring 817 is located in the limiting groove 816.

Specifically, the carbonitriding surface treatment protection tool is installed inside a carbonitriding furnace and is connected with the output end of a motor through a driving shaft 9, and the motor is positioned outside the carbonitriding furnace; when in use: the upper tool groove 4 is taken down to place the lower end of the workpiece on the lower tool groove 7, the upper tool groove 4 is installed on the upper connecting ring 2 through the upper connecting rod 3, the motor drives the carbonitriding surface treatment protection tool to be installed and rotated, so that the workpiece is driven to rotate, and the surface of the workpiece can be uniformly heated.

When a workpiece is placed on the carbonitriding surface treatment protection tool for installation, the spring 81 can play a role in buffering the workpiece, the surface damage of the workpiece is avoided, the spring 81 needs to be replaced along with the elastic disappearance of the spring 81 after working for a period of time, when the spring 81 is replaced, the hand wheel 814 can be rotated to enable the limiting ring 817 to rotate in the limiting groove 816, as the screw 812 and the screw sleeve 813 are connected through the screw thread, the fixture block 89 can further move in the guide hole 811 along the guide rod 810, when the fixture block 89 moves to the outer clamping groove 88, the press ring 83 can rotate along the hinge shaft 85, the spring 81 is replaced after the press plate 82 is taken out, after the spring 81 is replaced, the fixture block 89 is moved to the inner clamping groove 87 after the spring 81 is replaced, the press ring 83 can be clamped tightly, the spring 81 can be conveniently replaced by adopting the carbonitriding surface treatment protection tool for processing the workpiece, and the workpiece has good buffering performance, avoiding damaging the surface of the workpiece.

In addition, it should be noted that the specific embodiments described in the present specification may be different in the components, the shapes of the components, the names of the components, and the like, and the above description is only an example of the structure of the present invention. All the equivalent changes or simple changes made according to the structure, characteristics and principle of the utility model are included in the protection scope of the utility model. Various modifications, additions and substitutions may be made by those skilled in the art without departing from the scope of the invention as defined in the accompanying claims.

Claims

1. The utility model provides a turn to carbonitriding surface treatment protection frock of connecting axle, includes flabellum (1), goes up go-between (2), goes up connecting rod (3), goes up frock groove (4), go-between (5), connecting rod (6) and lower frock groove (7) down, go up go-between (2) and go-between (5) down and fix respectively at the both ends of flabellum (1), the one end of going up connecting rod (3) is fixed with last frock groove (4), the other end of going up connecting rod (3) passes through the bolt and installs on last go-between (2), the one end of connecting rod (6) is fixed with frock groove (7) down, the other end of connecting rod (6) is fixed with go-between (5) down, its characterized in that: still include buffer gear (8), buffer gear (8) are installed under on tooling groove (7), buffer gear (8) are including spring (81), clamp plate (82) and clamping ring (83), spring (81) and clamp plate (82) are all installed under in tooling groove (7), the one end and the lower tooling groove (7) butt of spring (81), the other end and clamp plate (82) butt of spring (81), clamp plate (82) and clamping ring (83) contact, clamping ring (83) rotate to be installed under on tooling groove (7).

2. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 1, characterized in that: the lower tool groove (7) is fixed with a driving shaft (9), and the driving shaft (9) is driven by a motor.

3. The carbonitriding surface treatment protection tool for the steering connecting shaft according to claim 1, characterized in that: buffer gear (8) still include articulated seat (84), articulated shaft (85) and articulated groove (86), articulated groove (86) set up under on frock groove (7), articulated seat (84) set up on clamping ring (83), articulated seat (84) are installed in articulated groove (86) through articulated shaft (85).

4. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 1, characterized in that: buffer gear (8) still include interior draw-in groove (87), draw-in groove (88) and fixture block (89), interior draw-in groove (87) set up on clamping ring (83), draw-in groove (88) set up under on frock groove (7), fixture block (89) are located interior draw-in groove (87) or draw-in groove (88).

5. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 4, characterized in that: buffer gear (8) still include screw rod (812), swivel nut (813), hand wheel (814) and hand wheel seat (815), hand wheel seat (815) are fixed on lower tool groove (7), swivel nut (813) are fixed with hand wheel (814), swivel nut (813) are rotated and are installed on hand wheel seat (815), the one end and the fixture block (89) of screw rod (812) are fixed, the other end and the swivel nut (813) of screw rod (812) run through.

6. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 4, characterized in that: the buffer mechanism (8) further comprises a guide rod (810) and a guide hole (811), the guide hole (811) is formed in the hand wheel seat (815), one end of the guide rod (810) is fixed with the fixture block (89), and the other end of the guide rod (810) is located in the guide hole (811).

7. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 4, characterized in that: the buffer mechanism (8) further comprises a limiting groove (816) and a limiting ring (817), the limiting groove (816) is arranged on the hand wheel seat (815), the limiting ring (817) is fixed with the screw sleeve (813), and the limiting ring (817) is located in the limiting groove (816).

8. The carbonitriding surface treatment protection tool for a steering connecting shaft according to claim 4, characterized in that: the inner clamping groove (87), the outer clamping groove (88) and the clamping block (89) are all arranged in an arc-shaped structure.