CN213530497U - Guide sleeve stamping locking pressure device - Google Patents
Guide sleeve stamping locking pressure device Download PDFInfo
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- CN213530497U CN213530497U CN202022348431.0U CN202022348431U CN213530497U CN 213530497 U CN213530497 U CN 213530497U CN 202022348431 U CN202022348431 U CN 202022348431U CN 213530497 U CN213530497 U CN 213530497U
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- guide sleeve
- punch
- valve cover
- annular
- punching
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Abstract
The utility model relates to a guide sleeve stamping locking pressure device, which comprises an upper valve cover, wherein the upper end surface of the upper valve cover is provided with an annular groove with a trapezoidal section; the guide sleeve is arranged in the hole of the upper valve cover; the bottom end of the punch is provided with an annular punching tooth in a downward protruding mode, and the inclined angle of the inner side surface of the annular punching tooth is larger than that of the inner side surface of the annular groove; when the annular punching teeth are arranged in the annular groove, the upper end of the punch is knocked until the lower end face of the punch is attached to the upper end face of the upper valve cover, the inner side face of the annular groove is extruded by the annular punching teeth to deform and turn inwards, and the guide sleeve is fixed in the hole of the upper valve cover.
Description
Technical Field
The utility model relates to an upper valve cover specifically is uide bushing punching press locking pressure gauge.
Background
The upper valve cover is an important part of a valve body assembly of the direct-acting type regulating valve, is arranged on a valve body of the direct-acting type regulating valve and has the functions of bearing (one part of an inner cavity of the valve body), guiding (a valve rod moves up and down to drive a valve core at the lower end to regulate flow), sealing (a stuffing box at the left end realizes sealing of the valve rod) and the like.
As shown in figure 1, a key groove is arranged in the guide sleeve hole, and a guide flat key is arranged in the key groove and is fixed by two hexagon socket head bolts. As shown in fig. 2, the guide sleeve is inserted into the upper bonnet hole (small interference fit) to guide and prevent the rotation of the valve stem. However, as shown in fig. 3, in order to fix the guide sleeve and prevent the guide sleeve from falling off from the upper valve cover hole, it is necessary to lock and fix the guide sleeve by turning the inner edge of the trapezoidal groove on the end surface of the upper valve cover inward after the guide sleeve is assembled.
In conclusion, how to realize the inward turning of the inner edge of the trapezoidal groove on the end surface of the upper valve cover is a problem which needs to be solved urgently by researchers of the company.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: how to realize the inward turning of the inner edge of the trapezoidal groove on the end surface of the upper valve cover;
in order to solve the technical problem, the utility model discloses a following technical scheme:
the utility model relates to a guide sleeve stamping locking pressure device, which comprises an upper valve cover, wherein the upper end surface of the upper valve cover is provided with an annular groove with a trapezoidal section; the guide sleeve is arranged in the hole of the upper valve cover; the bottom end of the punch is provided with an annular punching tooth in a downward protruding mode, and the inclined angle of the inner side surface of the annular punching tooth is larger than that of the inner side surface of the annular groove; when the annular punching tooth is arranged in the annular groove, the upper end of the punch is knocked until the lower end face of the punch is attached to the upper end face of the upper valve cover, the inner side face of the annular groove is extruded by the annular punching tooth to deform and turn inwards, and the guide sleeve is fixed in a hole of the upper valve cover;
the punch is a circular ring-shaped part, the lower part of the punch is provided with a circular punching tooth, the punching tooth is circular, the inner side surface (inner circular curved surface) of the punching tooth is consistent with the shape of the trapezoidal groove of the upper valve cover after being inwards turned, the outer circular conical surface ensures that a gap is formed between the punching tooth and the trapezoidal groove after the punch is in place in punching, the height of the gap is consistent with the depth of the trapezoidal groove, and when the punch is punched to the root part in punching, the positioning surface of the punch is in contact with the end surface of the upper valve cover, so that the.
The material of the punch adopts 9Cr18MoV, and the hardness of the punch after quenching and tempering is HRC50-58, so that the punch can prevent metal pollution on one hand, and has better strength, wear resistance and toughness on the other hand.
In order to prevent the punch head from deviating and inclining in the using process, the punching guide shaft is inserted in the guide sleeve and limited at the step in the guide sleeve; the upper section of the stamping guide shaft is arranged in the inner hole of the punch;
the punching guide shaft is designed for positioning and guiding the punch, so that the position of the punch is accurate in the punching process and the punch is not inclined; because the guide sleeve is internally provided with the guide flat key, the excircle of the stamping guide shaft is milled with the key slot, the key slot is in clearance fit with the flat key, and the excircle of the lower end of the stamping guide shaft is also in clearance fit with the inner hole of the guide sleeve, so that the stamping guide shaft can be conveniently placed into the inner hole of the guide sleeve, and the excircle of the upper end of the stamping guide shaft plays a role in guiding the punch. A3X 15-degree chamfer is designed at the end face of the excircle at the upper end of the stamping guide shaft, so that a punch can be conveniently placed into the guide shaft.
In order to take out the stamping guide shaft, the utility model adopts a threaded hole vertically arranged at the center of the stamping guide shaft;
the middle of the guide shaft is drilled with a threaded hole, and the stamping guide shaft can be conveniently taken out by screwing a bolt.
The utility model has the advantages that: the utility model discloses a uide bushing punching press locking forcer, the annular is towards the tooth and is arranged in the ring channel, strikes the drift upper end, and terminal surface and the up end laminating of last valve gap under to the drift, the medial surface of ring channel is towards the tooth extrusion by the annular and takes place deformation to turn over to the enstrophe, fix the uide bushing in the downthehole of last valve gap.
Drawings
The present invention will be further explained with reference to the drawings and examples.
FIG. 1 is a schematic view of the structure of the guide sleeve of the present invention;
FIG. 2 is a schematic view of the upper valve cover and the guide sleeve;
FIG. 3 is a schematic view of the ring-shaped groove structure of the present invention;
FIG. 4 is a schematic structural view of the present invention;
FIG. 5 is a schematic view of a punch construction;
FIG. 6 is a schematic view of a punch guide shaft structure;
in the figure: 1-upper valve cover, 2-annular groove, 3-guide sleeve, 4-punch, 5-annular punching tooth, 6-punching guide shaft, 7-keyway and 8-threaded hole.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.
As shown in fig. 1-5, the utility model relates to a guide sleeve stamping locking pressure device, which comprises an upper valve cover 1, wherein the upper end surface of the upper valve cover is provided with an annular groove 2 with a trapezoidal section; a guide sleeve 3 arranged in the hole of the upper valve cover 1; the bottom end of the punch 4 is provided with an annular punching tooth 5 in a downward protruding mode, and the inclined angle of the inner side face of the annular punching tooth 5 is larger than that of the inner side face of the annular groove 2; when the annular punching tooth 5 is arranged in the annular groove 2, the upper end of the punch 4 is knocked until the lower end face of the punch 4 is attached to the upper end face of the upper valve cover 1, the inner side face of the annular groove 2 is extruded by the annular punching tooth 5 to deform and turn inwards, and the guide sleeve 3 is fixed in a hole of the upper valve cover 1;
the punch is a circular ring-shaped part, the lower part of the punch is provided with a circular punching tooth, the punching tooth is circular, the inner side surface (inner circular curved surface) of the punching tooth is consistent with the shape of the trapezoidal groove of the upper valve cover after being inwards turned, the outer circular conical surface ensures that a gap is formed between the punching tooth and the trapezoidal groove after the punch is in place in punching, the height of the gap is consistent with the depth of the trapezoidal groove, and when the punch is punched to the root part in punching, the positioning surface of the punch is in contact with the end surface of the upper valve cover, so that the.
The material of the punch adopts 9Cr18MoV, and the hardness of the punch after quenching and tempering is HRC50-58, so that the punch can prevent metal pollution on one hand, and has better strength, wear resistance and toughness on the other hand.
As shown in fig. 6, in order to prevent the punch from deviating and slanting during the use process of the punch, the punching guide shaft 6 is inserted into the guide sleeve 3, and the punching guide shaft 6 is limited at the inner step of the guide sleeve 3; the upper section of the stamping guide shaft 6 is arranged in the inner hole of the punch 4; the lower section of the stamping guide shaft 6 is also provided with a key groove 7 for avoiding a flat key.
The punching guide shaft is designed for positioning and guiding the punch, so that the position of the punch is accurate in the punching process and the punch is not inclined; because the guide sleeve is internally provided with the guide flat key, the excircle of the stamping guide shaft is milled with the key slot, the key slot is in clearance fit with the flat key, and the excircle of the lower end of the stamping guide shaft is also in clearance fit with the inner hole of the guide sleeve, so that the stamping guide shaft can be conveniently placed into the inner hole of the guide sleeve, and the excircle of the upper end of the stamping guide shaft plays a role in guiding the punch. A3X 15-degree chamfer is designed at the end face of the excircle at the upper end of the stamping guide shaft, so that a punch can be conveniently placed into the guide shaft.
As shown in fig. 3, in order to take out the stamping guide shaft, a threaded hole 8 is vertically formed at the center of the stamping guide shaft 6;
the middle of the guide shaft is drilled with a threaded hole, and the stamping guide shaft can be conveniently taken out by screwing a bolt.
The utility model discloses a work flow: when the guide sleeve is in field work, the stamping guide shaft is firstly placed into the inner hole of the guide sleeve, the step is leaned against the step of the guide sleeve, then the punch is placed into the stamping guide shaft and just contacts with the conical surface of the end face trapezoidal groove, the punch is knocked by a hammer to be punched to the limiting position, and therefore the turning locking operation of the guide sleeve is completed. And the punch and the punching guide shaft are taken out, and then the next punching locking work can be carried out.
The utility model discloses a uide bushing punching press locking forcer, the annular is towards the tooth and is arranged in the ring channel, strikes the drift upper end, and terminal surface and the up end laminating of last valve gap under to the drift, the medial surface of ring channel is towards the tooth extrusion by the annular and takes place deformation to turn over to the enstrophe, fix the uide bushing in the downthehole of last valve gap.
In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (3)
1. Uide bushing punching press locking forcer, its characterized in that: comprises that
The upper end surface of the upper valve cover is provided with an annular groove with a trapezoidal section;
the guide sleeve is arranged in the hole of the upper valve cover;
the bottom end of the punch is provided with an annular punching tooth in a downward protruding mode, and the inclined angle of the annular punching tooth is larger than the inclined angle of the inner side face of the annular groove;
when the annular punching teeth are arranged in the annular groove, the upper end of the punching head is knocked until the lower end face of the punching head is attached to the upper end face of the upper valve cover, the inner side face of the annular groove is extruded by the annular punching teeth to deform and turn inwards, and the guide sleeve is fixed in the hole of the upper valve cover.
2. The guide sleeve punch lock forcer according to claim 1, wherein: a stamping guide shaft is inserted into the guide sleeve and limited at a step in the guide sleeve;
the upper section of the stamping guide shaft is arranged in the inner hole of the punch;
and the lower section of the stamping guide shaft is also provided with a key groove for avoiding a flat key.
3. The guide sleeve punch lock forcer according to claim 2, wherein: and a threaded hole is vertically formed in the center of the stamping guide shaft.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022348431.0U CN213530497U (en) | 2020-10-20 | 2020-10-20 | Guide sleeve stamping locking pressure device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022348431.0U CN213530497U (en) | 2020-10-20 | 2020-10-20 | Guide sleeve stamping locking pressure device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213530497U true CN213530497U (en) | 2021-06-25 |
Family
ID=76499059
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022348431.0U Active CN213530497U (en) | 2020-10-20 | 2020-10-20 | Guide sleeve stamping locking pressure device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213530497U (en) |
-
2020
- 2020-10-20 CN CN202022348431.0U patent/CN213530497U/en active Active
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