CN214499688U

CN214499688U - Multipurpose quick-change positioning device with limiting function

Info

Publication number: CN214499688U
Application number: CN202023116028.1U
Authority: CN
Inventors: 杨起; 曹关德; 王乾坤; 李海超; 王教玲; 梁启鹏
Original assignee: Shandong Yijie Hongfeng Energy Equipment Co ltd
Current assignee: Shandong Yijie Hongfeng Energy Equipment Co ltd
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-26
Anticipated expiration: 2030-12-22

Abstract

The utility model belongs to accurate positioning drive mechanism field especially relates to a spacing quick change positioner in multipurpose area. Including the guide bracket and the toper dabber of suit in the guide bracket that are the tubulose setting, the diameter of toper dabber one end is greater than outside guide bracket setting, the other end stretch out the guide bracket, the outside of guide bracket is provided with the toper guide block, be provided with the guiding hole that is used for placing the toper guide block on the guide bracket, toper guide block and toper dabber contact cooperation set up, the toper guide block is annular evenly distributed on the guide bracket, the peripheral cover of toper guide block is equipped with the locking outer lane, the utility model discloses a multiunit integrated configuration can realize quick locking location, is convenient for realize the modularization loading and unloading, can guarantee the installation accuracy, and the interchanging is substituted. The working efficiency is greatly improved, the device can be suitable for various working conditions, the shaft hole positioning precision is ensured, and meanwhile, the device has enough structural rigidity.

Description

Multipurpose quick-change positioning device with limiting function

Technical Field

The utility model belongs to accurate positioning drive mechanism field especially relates to a spacing quick change positioner in multipurpose area.

Background

In the fields of equipment, machinery and the like, positioning and transmission are generally realized through pin shafts. The pin shaft is usually designed into various shapes, various materials are used, and the working condition of the pin shaft is divided into dynamic load bearing and static load bearing. The known widely used hole matching positioning devices are all pin shafts, and the pin shafts and the shaft hole machining tolerance is controlled to be in transition matching for hole matching positioning through machining, so that the pin shafts and the shaft hole machining tolerance are applied to various industries. Belongs to a conventional device in a mechanical device and has the characteristics of reliability and stability.

In the prior art, the pin shaft needs to be assembled and disassembled through auxiliary measures such as cooling or heating shaft holes, and the assembling and disassembling can be completed only through other mechanical equipment under certain conditions, which cannot be realized by manpower alone. In addition, under the working conditions of quick assembly and disassembly, accurate positioning and the like, the traditional pin shaft cannot meet the requirements well, the defects of low assembly and disassembly speed and inconvenience in use mainly exist, and the current equipment requires that the modular assembly cannot be realized and is limited by the traditional pin shaft.

SUMMERY OF THE UTILITY MODEL

The utility model discloses to the technical problem of foretell round pin axle unable fast loading and unloading, accurate location, provide a reasonable in design, simple structure, low cost and can conveniently change, the spacing quick change positioner in multipurpose area of accurate location.

In order to achieve the above object, the utility model adopts the technical scheme that the utility model provides a multi-purpose belt limiting quick-change positioning device, which comprises a guide support in a tubular arrangement and a conical mandrel sleeved in the guide support, wherein the diameter of one end of the conical mandrel is larger than that of the guide support, the other end of the conical mandrel extends out of the guide support, a conical guide block is arranged at the outer side of the guide support, a guide hole for placing the conical guide block is arranged on the guide support, the conical guide block is in contact fit with the conical mandrel and is annularly and uniformly distributed on the guide support, a locking outer ring is sleeved at the periphery of the conical guide block and comprises a plurality of outer ring sheets which are mutually connected, the inner wall of each outer ring sheet is provided with a sliding groove, the conical guide block is fixed in the sliding groove in a sliding manner, and a locking nut is sleeved at the end of the conical mandrel extending out of the guide support, the locking nut is arranged in contact with the guide support.

Preferably, one side of the outer ring piece close to the locking nut is provided with a limiting hole and an axial through pin hole perpendicular to the limiting hole, the axial through pin hole and the conical core shaft are arranged in the same direction, a limiting pin is arranged in the limiting hole, a limiting pin locking rod is arranged in the axial through pin hole, the limiting pin locking rod is sleeved in the limiting pin, a notch used for lifting the limiting pin is formed in the limiting pin locking rod, and a control spring is arranged between the limiting pin locking rod and the axial through pin hole.

Preferably, two ends of the conical guide block are provided with reset grooves, and reset springs are sleeved in the reset grooves.

Preferably, a fixing hole is formed in the middle of the conical guide block, a fixing spring is arranged in the fixing hole, the end portion of the fixing spring is connected with a locking convex block, and a locking hole matched with the locking convex block is formed in the locking outer ring.

Preferably, the limiting pin locking rod extends out of the axial pin hole, the locking nut is sleeved with a limiting fixing ring, and the limiting pin locking rod is in contact with the limiting fixing ring.

Preferably, the outer ring piece comprises an outer ring piece body and a connecting protrusion arranged on one side of the outer ring piece body, and a connecting groove matched with the connecting protrusion is arranged on the other side of the outer ring piece body.

Preferably, the bottom of the connecting groove is provided with a distance limiting hole, a distance limiting spring is arranged in the distance limiting hole, a distance limiting block is arranged at the end part of the distance limiting spring, part of the distance limiting block extends out of the distance limiting hole, and a through hole matched with the distance limiting block is formed in the connecting bulge.

Preferably, one end of the locking nut, which is far away from the guide bracket, is also provided with a locking device.

Preferably, the conical core shaft is further provided with a dust cover, the dust cover wraps the locking nut and the anti-loosening device, and the limiting fixing ring is sleeved on the dust cover.

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

the utility model discloses a multiunit integrated configuration can realize quick locking location, is convenient for realize the modularization loading and unloading, can guarantee the installation accuracy, can exchange and substitute. The working efficiency is greatly improved, the device can be suitable for various working conditions, the shaft hole positioning precision is ensured, and meanwhile, the device has enough structural rigidity. Therefore, the device has good adaptability to complex application conditions of the pin shafts such as equipment and machinery, solves the installation and use requirements of the pin shaft such as difficult working condition for replacement, higher positioning precision requirement and the like, and has the advantages of precise structure, simple and convenient operation, high use efficiency and low use and maintenance cost.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural view of a multipurpose quick-change positioning device with a limit provided in embodiment 1;

fig. 2 is a cross-sectional view of the multipurpose strap limiting quick-change positioning device provided in embodiment 1;

fig. 3 is a side sectional view of the multipurpose strap limiting quick-change positioning device provided in embodiment 1;

fig. 4 is a side partial cross-sectional view of the multipurpose strap limiting quick-change positioning device provided in embodiment 1;

fig. 5 is a partial structural schematic view of the multipurpose belt limiting quick-change positioning device provided in embodiment 1;

in the above figures, 1, a guide bracket; 2. a tapered mandrel; 3. a tapered guide block; 31. a reset groove; 32. a return spring; 33. a fixing hole; 34. fixing the spring; 35. a locking projection; 4. locking the outer ring; 41. an outer ring sheet; 411. an outer ring piece body; 412. connecting the bulges; 413. a joining groove; 414. distance limiting holes; 415. a distance limiting spring; 416. a distance limiting block; 417. a through hole; 42. a locking hole; 43. a sliding groove; 44. a limiting hole; 45. axial pin holes are drilled; 5. locking the nut; 6. a spacing pin; 7. a limit pin locking rod; 8. a limiting fixing ring; 9. a locking device; 10. a dust cover.

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.

Embodiment 1, as shown in fig. 1 to 5, this embodiment provides a multi-purpose belt limiting quick-change positioning device, and aims to solve the technical problems that a pin shaft cannot be quickly assembled and disassembled and is accurately positioned in an existing mechanical assembly structure, for this reason, the multi-purpose belt limiting quick-change positioning device provided by this embodiment includes a guide bracket 1 in a tubular arrangement and a tapered mandrel 2 sleeved in the guide bracket 1, a diameter of one end of the tapered mandrel 2 is larger than that of the guide bracket 1, and the other end of the tapered mandrel extends out of the guide bracket 1, in this embodiment, the tapered mandrel 2 can be regarded as a three-part structure, a tapered portion and connecting portions arranged on two sides of the tapered portion, in this embodiment, a connecting portion near one end of a major diameter of the tapered portion is in a prismatic arrangement, and a connecting portion at the other end is arranged, so that the connection can be facilitated. Be provided with toper guide block 3 in the outside of guide bracket 1, be provided with the guiding hole that is used for placing toper guide block 3 on the guide bracket 1, in this embodiment, toper guide block 3 wholly is key form setting, and the guiding hole has the effect of fixed toper guide block 3. The conical guide block 3 is arranged in contact and matched with the conical core shaft 2, namely the contact surface of the conical guide block 3 and the conical core shaft 2 is also arranged in a conical surface manner.

In order to ensure the stability of the whole structure, the conical guide blocks 3 are uniformly distributed on the guide bracket 1 in an annular shape, in the embodiment, 6 conical guide blocks 3 are arranged, the central angle between adjacent conical guide blocks 3 is 60 degrees, in order to achieve the purpose of realizing the pin shaft function, a locking outer ring 4 is sleeved on the periphery of the conical guide blocks 3, the main purpose of the locking outer ring 4 is to be opened, the connection with the pin shaft hole is realized, and the fixation is ensured, for this reason, the locking outer ring 4 comprises a plurality of outer ring sheets 41 which are mutually connected, in order to fix the outer ring sheets 41 with the whole device, a sliding groove 43 is arranged on the inner wall of the outer ring sheet 41, in the embodiment, the sliding groove 43 is arranged in a T shape, the conical guide blocks 3 are fixed in the sliding groove 43 in a sliding manner, through the arrangement, the conical guide blocks 3 are connected with the locking outer ring 4, a locking nut 5 is sleeved on one end of the conical core shaft 2, which extends out of the guide bracket 1, the locking nut 5 is arranged in contact with the guide bracket 1.

Through foretell setting, put into the round pin downthehole back with the device, rotate lock nut 5, because guide bracket 1's limiting displacement, lock nut 5 can't remove, nevertheless drives toper dabber 2 and removes to 5 directions of lock nut, because the diameter of toper dabber 2 is bigger and bigger, and then makes toper guide block 3 remove to locking outer lane 4, and then props big the diameter of locking outer lane 4, and then accomplishes fixedly.

Considering that the diameter of the pin hole is larger than that of the device after the device is placed in the pin hole, for this reason, when the lock nut 5 is rotated, the whole device can be rotated only by holding the position of the device by hand or other tools, in order to simplify the process and achieve the purpose of convenient installation, one side of the outer ring piece 41 close to the lock nut 5 is provided with a limit hole 44 and an axial through pin hole 45 perpendicular to the limit hole 44, the axial through pin hole 45 and the conical core shaft 2 are arranged in the same direction, a limit pin 6 is arranged in the limit hole 44, a limit pin locking rod 7 is arranged in the axial through pin hole 45, the limit pin locking rod 7 is sleeved in the limit pin 6, a notch for lifting the limit pin 6 is arranged on the limit pin locking rod 7, a control spring (not labeled in the figure) is arranged between the limit pin locking rod 7 and the axial through pin hole 45, the breach is the acute angle form, and spacer pin 6 includes two parts, and the top is cylindric setting, and the bottom is the frame type setting, and spacer pin locking lever 7 passes the frame type part, and like this, under control spring's effect, spacer pin locking lever 7 supports tight contact with spacer pin 6 outside jack-up, makes it can support tight contact with the round pin shaft hole, and then realizes fixing whole device to lock nut 5 is conveniently screwed up. The number of the limit pins 6 is at least 2, and in the embodiment, each outer ring piece 41 is provided with a left limit hole 44 and a right limit hole 44.

In order to ensure that the conical guide block 3 is tightly attached to the conical mandrel 2, the two ends of the conical guide block 3 are provided with the reset grooves 31, the reset grooves 31 are internally sleeved with the reset springs 32, the reset springs 32 are spring rings, and under the action of the spring rings, the conical guide block 3 can be tightly contacted with the conical mandrel 2.

In order to avoid that the locking outer ring 4 slips off the conical guide block 3 when the device is not used, for this purpose, a fixing hole 33 is arranged in the middle of the conical guide block 3, a fixing spring 34 is arranged in the fixing hole 33, a locking lug 35 is connected to the end of the fixing spring 34, and a locking hole 42 matched with the locking lug 35 is arranged on the locking outer ring 4.

In order to keep the state of the limit pin 6, in this embodiment, the limit pin locking rod 7 extends out of the axial through pin hole 45, the locking nut 5 is sleeved with the limit fixing ring 8, the limit pin locking rod 7 is in contact with the limit fixing ring 8, and the state of the limit pin locking rod 7 is kept under the action of the limit fixing ring 8, so that the purpose of keeping the limit pin 6 is achieved.

In order to improve the engagement effect of the outer ring piece 41, in this embodiment, the outer ring piece 41 includes an outer ring piece body 411 and an engagement protrusion 412 disposed on one side of the outer ring piece body 411, and an engagement groove 413 engaged with the engagement protrusion 412 is disposed on the other side of the outer ring piece body 411, so that the locking outer ring 4 is kept in a cylindrical state under the action of the tapered guide block 3 by means of an insertion connection manner.

In order to avoid that the outer ring piece 41 expands too much and causes the connection and separation, for this reason, a distance limiting hole 414 is arranged at the bottom of the connection groove 413, a distance limiting spring 415 is arranged in the distance limiting hole 414, a distance limiting block 416 is arranged at the end part of the distance limiting spring 415, part of the distance limiting block 416 extends out of the distance limiting hole 414, a through hole 417 matched with the distance limiting block 416 is arranged in the connection protrusion 412, the structure is similar to that of the fixed spring 34, and the purpose is to enable the expansion distance of the outer ring piece 41 to be the distance from the distance limiting block 416 to the inner wall of the through hole 417, so that the purpose of limiting the expansion range is achieved.

In order to avoid loosening of the locking nut 5 and cause danger discovery, one end of the locking nut 5 far away from the guide support 1 is further provided with a locking device 9, in the embodiment, the locking device 9 is a thin nut, the loosening effect is effectively improved through the thin nut, and of course, the locking device 9 can also be other nuts.

In order to further achieve the purpose of loosening, a dust cover 10 is further arranged on the conical mandrel 2, the locking nut 5 and the anti-loosening device 9 are wrapped in the dust cover 10, and meanwhile, the limiting fixing ring 8 is sleeved on the dust cover 10, so that the three-layer protection effect is achieved.

Through foretell setting, when using, at first utilize spacer pin 6 to fix in the round pin shaft hole, current rotation lock nut 5, make locking outer lane 4 inflation, reach the purpose that supports tight round pin shaft hole, then installation locking device 9, dust cover 10 and spacing solid fixed ring 8, accomplish the fixed work of whole structure promptly, when needs dismantlement formula, with spacing solid fixed ring 8 in proper order, dust cover 10 and locking device 9 take off the back, reverse rotation lock nut 5 can, under reset spring 32's effect, the taking out of completion device, whole process needs cooling and heating, through, can confirm to connect fixedly at certain extent round pin shaft hole to the error, ensure accurate fixed.

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 use the above-mentioned technical contents to change or modify the equivalent embodiment into equivalent changes and apply to other fields, but any simple modification, equivalent change and modification made to the above embodiments according to the technical matters of the present invention will still fall within the protection scope of the technical solution of the present invention.

Claims

1. A multipurpose quick-change positioning device with a limiting function is characterized by comprising a guide support and a conical mandrel, wherein the guide support is arranged in a tubular shape, the conical mandrel is sleeved in the guide support, one end of the conical mandrel is larger in diameter than the guide support, the other end of the conical mandrel extends out of the guide support, a conical guide block is arranged on the outer side of the guide support, a guide hole for placing the conical guide block is formed in the guide support, the conical guide block is in contact fit with the conical mandrel and is uniformly distributed on the guide support in an annular shape, a locking outer ring is sleeved on the periphery of the conical guide block and comprises a plurality of outer ring pieces which are mutually connected, a sliding groove is formed in the inner wall of each outer ring piece, the conical guide block is fixed in the sliding groove in a sliding manner, and a locking nut is sleeved at one end, extending out of the guide support, of the conical mandrel, the locking nut is arranged in contact with the guide support.

2. The multipurpose quick-change positioning device with the limit function according to claim 1, wherein one side, close to the locking nut, of the outer ring piece is provided with a limit hole and an axial through pin hole perpendicular to the limit hole, the axial through pin hole and the conical core shaft are arranged in the same direction, a limit pin is arranged in the limit hole, a limit pin locking rod is arranged in the axial through pin hole, the limit pin locking rod is sleeved in the limit pin, a notch for lifting the limit pin is formed in the limit pin locking rod, and a control spring is arranged between the axial through pin holes of the limit pin locking rod.

3. The multi-purpose quick-change positioning device with limit function as claimed in claim 2, wherein two ends of the conical guide block are provided with return grooves, and return springs are sleeved in the return grooves.

4. The multipurpose quick-change positioning device with the limiting function according to claim 3, wherein a fixing hole is formed in the middle of the conical guide block, a fixing spring is arranged in the fixing hole, a locking convex block is connected to the end portion of the fixing spring, and a locking hole matched with the locking convex block is formed in the locking outer ring.

5. The multipurpose quick-change positioning device with the limit function according to claim 4, wherein the limit pin locking rod extends out of the axial through pin hole, the locking nut is sleeved with a limit fixing ring, and the limit pin locking rod is in contact with the limit fixing ring.

6. The multipurpose belt limiting quick-change positioning device according to claim 5, wherein the outer ring piece comprises an outer ring piece body and an engaging protrusion arranged on one side of the outer ring piece body, and an engaging groove matched with the engaging protrusion is arranged on the other side of the outer ring piece body.

7. The multipurpose quick-change positioning device with limit function according to claim 6, wherein the bottom of the engaging groove is provided with a distance limiting hole, a distance limiting spring is arranged in the distance limiting hole, a distance limiting block is arranged at the end part of the distance limiting spring, the distance limiting block partially extends out of the distance limiting hole, and a through hole matched with the distance limiting block is arranged in the engaging protrusion.

8. The multipurpose quick-change positioning device with limit function as claimed in claim 7, wherein the locking nut is further provided with a locking device at an end away from the guide bracket.

9. The multipurpose belt limiting quick-change positioning device according to claim 8, wherein a dust cover is further arranged on the conical mandrel, the dust cover wraps the locking nut and the anti-loosening device, and the limiting fixing ring is sleeved on the dust cover.