CN220863844U

CN220863844U - Reverse take-out device for positioning pin

Info

Publication number: CN220863844U
Application number: CN202322725661.8U
Authority: CN
Inventors: 徐发; 卢崇武; 范国剑; 朱争
Original assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Current assignee: Zhejiang Zhengneng Electric Power Engineering Technology Co ltd
Priority date: 2023-10-09
Filing date: 2023-10-09
Publication date: 2024-04-30
Anticipated expiration: 2033-10-09

Abstract

The utility model relates to a reverse withdrawing device for a locating pin. The technical problems of low disassembly efficiency and the like of the existing locating pin are solved. The back of setting at the equipment locating hole that has the locating pin, including the base, base one end has magnetism and inhales location structure, has the knocking pin passageway that runs through the base both ends axially in the base, and knocking pin passageway internalization wears to be equipped with by the base keep away from the one end that has magnetism and inhale location structure and the knocking pin that the one end that has magnetism to inhale location structure worn out by the base, and knocking pin wears to have the portion of beating corresponding with the locating pin in the one end of base, is equipped with the elasticity shock-absorbing structure that acts on knocking pin circumference outside in base circumference inboard. The advantages are that: the magnetic positioning structure can enable the base to be rapidly positioned and arranged at the lower end of the positioning pin, and improves the positioning efficiency of the base. Vibration generated in the knocking process of the knocking pin can be damped through the elastic damping structure, the base is protected, the knocking pin can be clamped, and the positioning effect of the knocking pin and the positioning pin is guaranteed.

Description

Reverse take-out device for positioning pin

Technical Field

The utility model belongs to the technical field of positioning pin extraction equipment, and particularly relates to a positioning pin reverse extraction device.

Background

The positioning pin is mainly used for accurately positioning the positions of the upper cover and the lower cover, the positioning pin on the industrial large-scale equipment at present is mainly used for accurately positioning by adopting a screw tail taper pin, and the existing screw tail taper pin is mainly taken out by adopting a pin puller; however, the working environment of the existing industrial large-scale equipment is severe, so that the phenomena of rust, death and the like of the screw tail taper pin are caused frequently, and the thread part is damaged frequently, so that the screw tail taper pin cannot be pulled out by the pin puller, and the dismounting efficiency of the screw tail taper pin is reduced.

Disclosure of Invention

The utility model aims to solve the problems and provide a positioning pin reverse extraction device.

In order to achieve the above purpose, the present utility model adopts the following technical scheme: this reverse take-out device of locating pin sets up the back at the equipment locating hole that has the locating pin, including the base, base one end have magnetism and inhale location structure, the base in have the knocking pin passageway that runs through the base both ends axially, knocking pin passageway in the activity wear to be equipped with by the base keep away from the one end that has magnetism and inhale location structure and the knocking pin that the one end that has magnetism and inhale location structure was worn out by the base, the one end that the knocking pin worn out the base have with the corresponding portion of beating of locating pin, be equipped with the elastic shock-absorbing structure that acts on knocking the peripheral outside of pin in base circumference inboard, can slow down the vibrations that the knocking pin produced when beating through elastic shock-absorbing structure, improve the life of base.

In the reverse take-out device of locating pin, the magnetic attraction locating structure include a plurality of magnet bodies that install the subassembly setting on base one end terminal surface through the magnetic attraction, just magnet body circumference evenly distributed set up, magnet body through circumference setting improves positioning efficiency and guarantees fixed effect.

In the reverse take-out device of locating pin, the installation component is inhaled to magnetism including a plurality of setting up at the installation ear of base one end circumference outside, installation ear integrated into one piece just installation ear one end flush with the base terminal surface on the base, be equipped with magnet mounting groove just respectively at installation ear one end magnet body installation fix in the mounting groove, integrated into one piece structural design can improve the structural strength of installation ear, improves the life of installation ear.

In the reverse take-out device of locating pin, the quantity of installation ear be three and circumference evenly distributed setting, the magnet body be the powerful magnet of neodymium iron boron and the magnet body outside not surpass the mounting groove notch, improve and connect the stationarity, and can guarantee that magnet and equipment link to each other stably.

In the reverse take-out device of locating pin, the elastic damping structure including set up the collet chuck that the locating structure one end was inhaled to magnetism was kept away from to the knocking pin passageway and supplies to beat the round pin and pass, the base keep away from the one end that has magnetism and inhale the locating structure and be equipped with the end cover subassembly that prevents that the collet chuck breaks away from the mounting hole, collet chuck is fixed to be set up in the base when can through the end cover subassembly.

In the reverse withdrawing device of locating pin, the knocking pin channel is far away from the inner side of one end of the magnetic attraction locating structure and is provided with the mounting hole in a flaring shape, the diameter of the mounting hole from one end to the other end of the magnetic attraction locating structure is gradually increased, the spring collet is arranged in the mounting hole, one end of the spring collet is consistent in shape with the mounting hole, and the mounting stability of the spring collet in the mounting hole can be improved.

In the reverse take-out device of locating pin, the collet chuck have the annular portion that supplies to strike the round pin and pass, annular portion circumference outside have a plurality of elastic clamping head portions, elastic clamping head portion evenly distributed strike round pin circumference outside, elastic clamping head portion be the form of buckling just elastic clamping head portion keep away from annular portion's one end and support and lean on the setting in the round pin outside of beating, can effectively slow down the vibrations of beating the round pin, improve the life of base.

In the reverse take-out device of locating pin, the end cover assembly include the removable end cover body that sets up the one end that has the magnetism and inhale the location structure of keeping away from at the base, end cover body center have with strike the corresponding and supply the access hole that the knocking pin penetrated of round pin passageway, the diameter of access hole be less than the mounting hole and keep away from the diameter that the magnetism inhaled location structure one end, can play the guide effect to the knocking pin, and can guarantee that the elasticity pinch portion supports and lean on the knocking pin, guarantee the shock attenuation effect.

In the reverse take-out device of locating pin, end cover body one end have the cover establish at the end cover barrel of base one end circumference outside, just end cover barrel and base link to each other through the screw mode, can improve the connection stability of end cover barrel and base, guarantee the connection effect.

In the reverse withdrawing device of the locating pin, the knocking part is a pointed part arranged at one end of the knocking pin, and one end, far away from the knocking part, of the knocking pin is provided with an expanding part, so that the knocking can be facilitated through the expanding part, and the dismounting efficiency of the dismounting locating pin is improved.

Compared with the prior art, the utility model has the advantages that:

1. The magnetic positioning structure can enable the base to be rapidly positioned and arranged at the lower end of the positioning pin, and improves the positioning efficiency of the base.

2. Vibration that produces the knocking pin in-process of beating through elasticity shock-absorbing structure effectively carries out the shock attenuation, effectively plays the guard effect to the base, improves the life of base, and can press from both sides knocking pin tight setting, guarantees the positioning effect of knocking pin and locating pin.

3. Can effectively play spacing effect to elastic shock-absorbing structure through the end cover subassembly, guarantee elastic shock-absorbing structure's installation stability, guarantee the shock attenuation effect.

Drawings

Fig. 1 is a cross-sectional view of the structure of the present utility model.

Fig. 2 is a schematic structural view of a magnetic attraction positioning structure in the present utility model.

Fig. 3 is an exploded view of the structure of the present utility model.

Fig. 4 is a schematic structural view of an elastic shock absorbing structure according to the present utility model.

Fig. 5 is a cross-sectional view of the structure of the base in the present utility model.

Fig. 6 is a cross-sectional view of the structure of the knock pin in the present utility model.

Fig. 7 is an application scenario diagram of the present utility model.

In the figure: the positioning pin 1, the base 2, the knocking pin channel 21, the mounting hole 22, the magnetic positioning structure 3, the magnet body 31, the knocking pin 4, the knocking portion 41, the expanding portion 42, the elastic shock absorbing structure 5, the spring chuck 51, the annular portion 511, the elastic chuck portion 512, the magnetic mounting assembly 6, the mounting lug 61, the magnet mounting groove 62, the end cover assembly 7, the end cover body 71, the penetrating hole 711, and the end cover cylinder 712.

Detailed Description

The utility model will be described in further detail with reference to the drawings and the detailed description.

As shown in fig. 1, fig. 2, fig. 3, fig. 6, fig. 7, this locating pin reverse take-out device, the back at the equipment locating hole that has locating pin 1 is set up, can be convenient for push out locating pin 1, including base 2, base 2 one end has magnetism and inhale location structure 3, can be convenient for set up base 2 location at the equipment locating hole back through magnetism and inhale location structure 3, improve location efficiency, the interior tapping pin passageway 21 that has the axial and run through base 2 both ends 21 that has, the tapping pin 4 that the one end that has magnetism and inhale location structure 3 was penetrated by base 2 and the one end that has magnetism and inhale location structure 3 was worn out by base 2 is worn to be equipped with in the tapping pin passageway 21, can carry out ejection with locating pin 1 through tapping pin 4, improve the dismantlement efficiency, the one end that tapping pin 4 worn out base 2 has the portion 41 that corresponds with locating pin 1, can improve the dismantlement efficiency to locating pin 1 through portion 41, be equipped with the elasticity shock attenuation structure 5 that acts on the periphery of pin 4 in base 2 circumference inboard, can effectively to the tapping pin 4, and the impact pin 4 is pressed from both sides and prevent to beat the life-span and make the base 2 to be used to the shock-proof.

Specifically, the magnetic positioning structure 3 includes a plurality of magnet bodies 31 that are disposed on an end face of the base 2 through the magnetic mounting assembly 6, and the magnet bodies 31 are uniformly distributed circumferentially, the connection stability can be improved by uniformly arranging circumferentially, and the connection efficiency can be improved by fixing the magnet bodies 31.

Wherein, the installation component 6 is inhaled to magnetism includes a plurality of setting up in the installation ear 61 of base 2 one end circumference outside, and installation ear 61 integrated into one piece just installs ear 61 one end and base 2 terminal surface on base 2 and flushes, can improve the structural strength of installation ear 61, improves the life of installation ear 61, is equipped with magnet mounting groove 62 and magnet body 31 installation respectively in installation ear 61 one end and fixes in the mounting groove, can make magnet body 31 fixed setting in magnet mounting groove 62, guarantees the installation stability of magnet body 31.

As shown in fig. 3, 4 and 5, the number of the mounting lugs 61 is three and the mounting lugs are uniformly distributed circumferentially, the magnet body 31 is a neodymium-iron-boron powerful magnet, the outer side of the magnet body 31 does not exceed the notch of the mounting groove, the connection stability of the magnet body 31 can be ensured, the neodymium-iron-boron powerful magnet has high magnetism, the connection stability is ensured, and the neodymium-iron-boron powerful magnet has the advantages of high temperature resistance and corrosion resistance and can adapt to various use environments.

Further, the elastic damping structure 5 comprises a collet chuck 51 which is arranged on the inner side of one end of the knocking pin channel 21 away from the magnetic positioning structure 3 and used for the knocking pin 4 to pass through, the collet chuck 51 can play a damping role in vibration generated by the knocking pin 4, the base 2 can play a protective role, one end of the base 2 away from the magnetic positioning structure 3 is provided with an end cover assembly 7 for preventing the collet chuck 51 from being separated from the mounting hole 22, and the collet chuck 51 can be effectively prevented from being separated through the end cover assembly 7, so that a limiting effect can be played on the collet chuck 51.

Wherein, strike the pin passageway 21 and keep away from magnetism and inhale locating structure 3 one end inboard and have and be the mounting hole 22 that flaring was described, and the diameter that the mounting hole 22 is close to magnetism and inhale locating structure 3 one end to the other end grow gradually, and collet chuck 51 installs in mounting hole 22, can make collet chuck 51 fixed setting in mounting hole 22, guarantees collet chuck 51 and mounting hole 22 looks adaptation.

The spring chuck 51 is provided with an annular portion 511 through which the knocking pin 4 passes, a plurality of elastic clamping heads 512 are arranged on the outer side of the periphery of the annular portion 511, the elastic clamping heads 512 are uniformly distributed on the outer side of the periphery of the knocking pin 4, one ends, far away from the annular portion 511, of the elastic clamping heads 512 are in a bent shape and are propped against the outer side of the knocking pin 4, the elastic clamping heads 512 are propped against the outer side of the knocking pin 4, the damping effect on the knocking pin 4 in the knocking process can be improved, the base 2 is effectively protected, the service life of the base 2 is prolonged, the knocking pin 4 can be clamped to prevent the knocking pin 4 from falling, and the positioning effect of the knocking pin 4 and the positioning pin 1 can be guaranteed.

Wherein, end cover assembly 7 includes the removable end cover body 71 that sets up in base 2 keep away from the one end that has magnetism and inhale location structure 3, the removable end cover body 71 that sets up can be convenient for the installation and the dismantlement of collet chuck 51, and can play spacing effect to collet chuck 51, end cover body 71 center has the access hole 711 corresponding with strike pin passageway 21 and supplying to strike round pin 4 to penetrate, the size of access hole 711 is suitable with elasticity chuck 512, and elasticity chuck 512 sets up in access hole 711, the diameter of access hole 711 is less than the diameter that the installation hole 22 kept away from magnetism and inhale location structure 3 one end, can be convenient for the installation of collet chuck 51 and guarantee the spacing effect to collet chuck 51.

Specifically, the end cap body 71 has an end cap cylinder 712 that is disposed around one end of the base 2, and the end cap cylinder 712 is screwed to the base 2, so that the connection stability between the end cap body 71 and the base 2 can be improved by screwing the end cap cylinder 712.

Referring to fig. 1, 6 and 7, the knocking portion 41 is a pointed portion disposed at one end of the knocking pin 4, the knocking effect on the positioning pin 1 can be improved through the pointed portion, the knocking pin 4 is provided with an enlarged portion 42 at one end far away from the knocking portion 41, and the knocking area can be increased through the enlarged portion 42, so that the knocking by a user is facilitated, and the dismounting efficiency is improved.

The principle of this embodiment is: the elastic shock-absorbing structure 5 is arranged in the mounting hole 22 and is limited by the end cover body 71, the end cover body 71 is connected with the base 2 through threads, the connection effect is guaranteed, the base 2 is positioned and arranged on the back of the equipment positioning hole through the magnetic positioning structure 3, the magnetic positioning structure 3 can improve the positioning connection effect through the circumferentially arranged magnet body 31, the knocking part 41 of the knocking pin 4 is correspondingly arranged with the positioning pin 1 through the penetrating hole 711 and the knocking pin channel 21, the elastic clamping part 512 is abutted against the circumferential direction of the knocking pin 4, the knocking part 41 is enabled to knock the positioning pin 1 through the knocking expansion part 42 by a user, the elastic shock-absorbing structure 5 can absorb shock generated by knocking the knocking pin 4, the base 2 has a protective effect, the elastic shock-absorbing structure 5 can clamp the knocking pin 4, the knocking pin 4 is effectively prevented from falling or shifting, and the positioning effect of the knocking pin 4 and the positioning pin 1 is guaranteed.

The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.

Although terms such as the dowel 1, the base 2, the knock pin passage 21, the mounting hole 22, the magnetic attraction positioning structure 3, the magnet body 31, the knock pin 4, the knock part 41, the swelling part 42, the elastic shock absorbing structure 5, the collet chuck 51, the annular part 511, the elastic grip part 512, the magnetic attraction mounting assembly 6, the mounting ear 61, the magnet mounting groove 62, the end cap assembly 7, the end cap body 71, the penetration hole 711, the end cap cylinder 712, etc. are used more herein, the possibility of using other terms is not excluded. These terms are used merely for convenience in describing and explaining the nature of the utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.

Claims

1. The utility model provides a reverse take-out device of locating pin, sets up at the back of the equipment locating hole that has locating pin (1), including base (2), its characterized in that, base (2) one end have magnetism and inhale location structure (3), base (2) in have the knocking pin passageway (21) that the axial runs through base (2) both ends, knocking pin passageway (21) in the activity wear to be equipped with by base (2) keep away from having one end that magnetism inhaled location structure (3) penetrate and by base (2) have the one end that magnetism inhaled location structure (3) and wear out knocking pin (4), one end that base (2) were worn out to knocking pin (4) have with corresponding knocking part (41) of locating pin (1), be equipped with in base (2) circumference inboard and act on elastic damping structure (5) of knocking pin (4) circumference outside.

2. The reverse withdrawing device of the positioning pin according to claim 1, wherein the magnetic positioning structure (3) comprises a plurality of magnet bodies (31) which are arranged on one end face of the base (2) through the magnetic mounting assembly (6), and the magnet bodies (31) are uniformly distributed circumferentially.

3. The reverse withdrawing device of a positioning pin according to claim 2, wherein the magnetic mounting assembly (6) comprises a plurality of mounting lugs (61) arranged on the outer side of one end of the base (2) in the circumferential direction, the mounting lugs (61) are integrally formed on the base (2), one end of each mounting lug (61) is flush with the end surface of the base (2), one end of each mounting lug (61) is provided with a magnet mounting groove (62) respectively, and the magnet body (31) is mounted and fixed in the mounting groove.

4. The reverse withdrawing device of a positioning pin according to claim 3, wherein the number of the mounting lugs (61) is three and the mounting lugs are uniformly distributed circumferentially, the magnet body (31) is a neodymium iron boron powerful magnet, and the outer side of the magnet body (31) does not exceed the notch of the mounting groove.

5. The reverse withdrawing device for the positioning pin according to claim 1, 2, 3 or 4, wherein the elastic shock absorbing structure (5) comprises a collet chuck (51) which is arranged on the inner side of one end of the knocking pin channel (21) far away from the magnetic positioning structure (3) and is used for the knocking pin (4) to pass through, and the end of the base (2) far away from the magnetic positioning structure (3) is provided with an end cover assembly (7) for preventing the collet chuck (51) from being separated from the mounting hole (22).

6. The reverse withdrawing device of a positioning pin according to claim 5, wherein the inner side of one end of the knocking pin channel (21) far away from the magnetic positioning structure (3) is provided with a flared mounting hole (22), the diameter of the mounting hole (22) from one end to the other end of the knocking pin channel near to the magnetic positioning structure (3) is gradually increased, and the collet chuck (51) is mounted in the mounting hole (22).

7. The reverse withdrawing device according to claim 5, wherein the spring chuck (51) has an annular portion (511) through which the knocking pin (4) passes, a plurality of elastic clamping heads (512) are arranged on the circumferential outer side of the annular portion (511), the elastic clamping heads (512) are uniformly distributed on the circumferential outer side of the knocking pin (4), the elastic clamping heads (512) are bent, and one end, far away from the annular portion (511), of the elastic clamping heads (512) is propped against the outer side of the knocking pin (4).

8. The reverse withdrawing device for the locating pin according to claim 6, wherein the end cover assembly (7) comprises an end cover body (71) detachably arranged at one end of the base (2) far away from the magnetic locating structure (3), the center of the end cover body (71) is provided with a penetrating hole (711) corresponding to the knocking pin channel (21) and allowing the knocking pin (4) to penetrate, and the diameter of the penetrating hole (711) is smaller than that of one end of the mounting hole (22) far away from the magnetic locating structure (3).

9. The reverse extraction device according to claim 8, wherein the end cap body (71) has an end cap cylinder (712) sleeved on the outer side of the base (2) at one end, and the end cap cylinder (712) and the base (2) are connected by screw threads.

10. The reverse withdrawing device for locating pins according to claim 1, wherein the striking portion (41) is a pointed portion disposed at one end of the striking pin (4), and an enlarged portion (42) is disposed at one end of the striking pin (4) away from the striking portion (41).