CN213004854U

CN213004854U - Flexible universal positioner

Info

Publication number: CN213004854U
Application number: CN202021571738.0U
Authority: CN
Inventors: 程永强
Original assignee: Xiamen Dianwei Intelligent Technology Co ltd
Current assignee: Xiamen Dianwei Intelligent Technology Co ltd
Priority date: 2020-07-31
Filing date: 2020-07-31
Publication date: 2021-04-20
Anticipated expiration: 2030-07-31

Abstract

The utility model discloses a flexible universal positioner, which belongs to the technical field of curved surface positioning devices and comprises a base, a plurality of thimble assemblies and a thimble locking plate, wherein each thimble assembly comprises a top rod, a reset spring and a top rod sleeve, the top rod sleeve is fixed at the inner bottom of the base, the top rod is connected in the top rod sleeve through the reset spring after vertically passing through the upper end surface of the base, one end of the top rod, which is far away from the base, is provided with a magnetic part, one end of the side wall of the top rod, which is close to the magnetic part, is provided with an elastic device, the thimble locking plate is arranged between the top rod sleeve and the upper end surface of the base and is provided with a plurality of thimble locking holes for the thimble assemblies to pass through, the side wall of the base is provided with a control handle for pushing the thimble locking plate to slide along the horizontal direction, when the control handle rotates, the thimble, and the rapid clamping of workpieces in the same batch is conveniently realized.

Description

Flexible universal positioner

Technical Field

The utility model relates to a curved surface positioner technical field specifically is a flexible universal locator.

Background

At present, different measuring devices need to be developed and designed according to curved surface workpieces with different shapes or sizes aiming at the processing or measurement of the curved surface workpieces, so that the measuring cost is increased, the measuring period is also increased, and the overall working efficiency is reduced.

Therefore, a person skilled in the relevant art improves this, for example, chinese patent publication No. CN101804606A discloses a "spring type split block structure positioning fixture for a free-form surface workpiece", which includes a base, an upper cover plate, a thimble, a load spring, a left bracket, a right bracket, a thimble clamping frame, a return spring, a locking screw and a fixed top block, and by tightening the locking screw, the thimble clamping frame is pushed to move rightwards to compress the return spring; and when the locking screw is loosened, the reset spring pushes the thimble clamping frame back leftwards so as to realize the clamping and positioning of the free-form surface workpiece.

However, the technical scheme in the application document still has the defects that if one end of the thimble, which is in contact with the curved surface, is only in point contact, the side wall of a common curved surface to be measured, such as a pipe fitting workpiece and other workpieces with curved surfaces, is smooth, dislocation is easy to occur when the base is pressed for positioning, and reading of curved surface data is not facilitated.

Based on this, the utility model designs a flexible omnipotent locator to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a flexible universal positioner to solve above-mentioned technical problem.

In order to achieve the above object, the utility model provides a following technical scheme:

the utility model provides a flexible universal locator, includes base, a plurality of thimble assembly and thimble locking plate, the thimble assembly includes ejector pin, reset spring and ejector pin cover, the ejector pin cover is fixed in the base inner bottom, the ejector pin passes through the base up end perpendicularly after and connects in the ejector pin cover through reset spring, the one end that the base was kept away from to the ejector pin is equipped with magnetism portion, the ejector pin lateral wall is equipped with resilient means in magnetism portion one end symmetry, thimble locking plate is located between ejector pin cover and the base up end and has been seted up a plurality of thimble locking holes that supply the thimble assembly to pass, the base lateral wall is equipped with and is used for promoting the control handle that thimble locking plate slided along the horizontal direction, when control handle rotates, thimble locking plate removes along the horizontal direction, and thimble locking hole lateral wall supports tightly or keeps away from the ejector pin.

Preferably, the lateral wall that the ejector pin kept away from base one end is worn to be equipped with the installation through-hole symmetrically, resilient means is including locating the steel ball at installation through-hole both ends and locating in the installation through-hole and the locking spring of both ends rigid coupling steel ball.

Preferably, the base includes roof, bottom plate and four curb plates of connecting roof and bottom plate, be equipped with the thimble fixed plate parallel with the roof between roof and the bottom plate, the thimble fixed plate is worn to be equipped with the spacing hole of a plurality of thimbles that supply the ejector pin to pass, thimble locking plate slides in thimble fixed plate up end, the ejector pin cover is located thimble fixed plate and is greater than the spacing hole diameter of thimble in the ejector pin cover internal diameter between the bottom plate, the one end that the ejector pin is close the bottom plate is equipped with the spacing portion of laminating with ejector pin cover inner wall.

Preferably, the spout has been seted up along the horizontal direction to the curb plate inner wall around, thimble locking plate includes the shifting board and locates the drive plate that shifting board one side and control handle are connected, the shifting board both sides extend have with the spout complex sliding block that slides, the sliding block forms the groove of stepping down along length direction's both sides lateral wall and between the shifting board lateral wall, thimble fixed plate up end is equipped with in four corner positions and steps down groove complex position sleeve.

Preferably, the thimble locking hole is an annular taper hole with an inverted cone-shaped cross section, a sharp cone-shaped chamfer is formed at the lower end of the thimble locking hole, and an annular gear ring embedded with the sharp cone-shaped chamfer is arranged on the side wall of the ejector rod along the length direction of the ejector rod.

Preferably, a thimble guide rod hole for the ejector rod to pass through is arranged on the upper end surface of the base in a penetrating manner, guide grooves with conical sections are symmetrically formed in the upper end and the lower end of the thimble guide rod hole, and the section inclination directions of the guide grooves face to the central position of the thimble guide rod hole.

Preferably, the thimble assembly is equipped with a plurality of and personally submits rectangular shape array distribution along the base upper end.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses an elastic device and by the buckle formula locking mode between thimble locking plate and the ejector pin lateral wall form, when loosening brake valve lever, thimble locking hole has the interval with the ejector pin lateral wall, when the magnetism portion of curved surface or special-shaped pipe fitting contact ejector pin tip, whole device adsorbs automatically, press the base hard afterwards, make the contact surface whole contact magnet or elastic device position of contact, can lock brake valve lever, make thimble locking plate remove, thimble locking hole supports tight ejector pin lateral wall, make ejector pin rigidity, work piece surface data is whole to be read in flexible universal locator this moment. Therefore, the data on the surface of the workpiece can be read quickly, and the workpieces in the same batch can be clamped quickly.

Drawings

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

FIG. 1 is a schematic view of the overall structure of the present embodiment;

FIG. 2 is a front exploded view of the present embodiment;

FIG. 3 is a perspective exploded view of the present embodiment;

FIG. 4 is a schematic cross-sectional view of the present embodiment;

FIG. 5 is an enlarged view of area A of FIG. 4;

FIG. 6 is a schematic sectional view showing the ejector pin;

fig. 7 is a partial structural view highlighting the control handle.

In the drawings, the components represented by the respective reference numerals are listed below:

1. a base; 11. a top plate; 111. a thimble guide rod hole; 112. a guide groove; 12. a base plate; 121. mounting grooves; 13. a side plate; 131. a chute; 14. locking the screw rod; 2. a thimble assembly; 21. a top rod; 211. a limiting part; 212. fixing grooves; 213. a magnetic part; 214. mounting a through hole; 215. steel balls; 216. a locking spring; 217. an annular gear ring; 22. a return spring; 23. a jack rod sleeve; 3. a thimble locking plate; 31. a thimble locking hole; 311. a sharp cone-shaped chamfer; 32. a slide plate; 321. a slider; 322. a yielding groove; 323. a positioning sleeve; 33. a drive plate; 4. a thimble fixing plate; 41. a thimble limiting hole; 5. a control handle; 51. a handle; 52. The spring is rotated.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a flexible universal locator comprises a base 1, a plurality of thimble assemblies 2 and a thimble locking plate 3. Specifically, the thimble assembly 2 includes ejector pin 21, reset spring 22 and ejector pin cover 23, base 1 includes roof 11, bottom plate 12 and four curb plates 13 of connecting roof 11 and bottom plate 12, install fixedly through locking screw 14 between roof 11 and the bottom plate 12, be equipped with the thimble fixed plate 4 parallel with roof 11 between roof 11 and the bottom plate 12, thimble fixed plate 4 wears to be equipped with a plurality of thimble spacing holes 41 that are the matrix form range, thimble locking plate 3 slides in thimble fixed plate 4 up end, and set up the thimble locking hole 31 with thimble spacing hole 41 one-to-one, ejector pin cover 23 is fixed in between thimble fixed plate 4 and the bottom plate 12 and ejector pin cover 23 internal diameter is greater than thimble spacing hole 41 diameter, the one end that ejector pin 21 is close to bottom plate 12 is equipped with the spacing portion 211 with the laminating of ejector pin cover 23 inner wall.

Preferably, the top end of the top plate 11 is provided with a thimble guide rod hole 111 corresponding to the thimble limit hole 41 one by one, the top and bottom ends of the thimble guide rod hole 111 are symmetrically provided with guide grooves 112 having tapered sections, the inclined directions of the sections of the guide grooves 112 face the central position of the thimble guide rod hole 111, the thimble 21 sequentially and vertically penetrates through the thimble lock hole 31 of the thimble guide rod hole 111 and the thimble limit hole 41 and then penetrates into the thimble sleeve 23, the lower end of the thimble lock hole is connected with the bottom plate 12 through a return spring 22, the top end of the bottom plate 12 is provided with a plurality of mounting grooves 121 embedded with the thimble sleeve 23, the side plate 13 on the right side is provided with a control handle 5 for pushing the thimble lock plate 3 to slide along the horizontal direction, when the control handle 5 rotates, the thimble lock plate 3 moves along the horizontal direction, the side wall of the thimble lock hole 31 abuts against or is far away from the side wall of the thimble 21, thereby, the thimble guide rod hole 111 and the guide grooves 112 at, the ejector rod 21 can stably slide along the ejector pin guide rod hole 111, and the curved surface is conveniently positioned.

Preferably, the one end that base 1 was kept away from to ejector pin 21 has seted up fixed slot 212, the embedded magnetism portion 213 that is equipped with of fixed slot 212, magnetism portion 213 is magnet in this embodiment, the lateral wall symmetry that base 1 one end was kept away from to ejector pin 21 wears to be equipped with mounting hole 214, steel ball 215 is installed at mounting hole 214 both ends, install the locking spring 216 of rigid coupling both ends steel ball 215 in the mounting hole 214, therefore, when fixing the curved surface work piece of pipe fitting class, after ejector pin 21 got into the pipe fitting lateral wall, steel ball 215 retracted to mounting hole 214 in under the lateral wall extrusion, treat that ejector pin 21 gets into the pipe fitting completely, steel ball 215 supported in the pipe fitting lateral wall, with the rigidity of ejector pin 21, thereby conveniently realize fixing a position the inside curved surface.

Preferably, the thimble locking hole 31 is an annular tapered hole with an inverted cone-shaped cross section, a sharp cone-shaped chamfer 311 is formed at the lower end of the thimble locking hole, and an annular toothed ring 217 embedded with the sharp cone-shaped chamfer 311 is arranged on the side wall of the thimble 21 along the length direction of the thimble locking hole, so that when the thimble fixing plate 4 moves, the distance between the annular toothed ring 217 and the sharp cone-shaped chamfer 311 changes, and when the sharp cone-shaped chamfer 311 is embedded with the annular toothed ring 217, the position of the thimble 21 is fixed, thereby conveniently fixing the position of the thimble 21 with curved surface positioning, and facilitating quick clamping of subsequent workpieces in the same batch.

Preferably, with reference to fig. 3, the sliding grooves 131 are formed in the inner walls of the front and rear side plates 13 in the horizontal direction, the thimble locking plate 3 includes a sliding plate 32 and a driving plate 33 disposed on one side of the sliding plate 32 and connected to the control handle 5, sliding blocks 321 slidably engaged with the sliding grooves 131 extend from two sides of the sliding plate 32, an abdicating groove 322 is formed between the side walls of the two sides of the sliding block 321 in the length direction and the side wall of the sliding plate 32, positioning sleeves 323 engaged with the abdicating groove 322 are disposed at four corners of the upper end surface of the thimble fixing plate 4, and the four positioning sleeves 323 are respectively disposed on two sides of the sliding plate 32 in the sliding direction and used for limiting the abdicating groove 322. In this embodiment, the positioning sleeve 323 is matched with the locking screw 14 for the locking screw 14 to pass through, and the upper end surface and the lower end surface of the positioning sleeve 323 are respectively abutted against the thimble fixing plate 4 and the top plate 11, so that the thimble locking plate 3 can be conveniently slid between the front side plate and the rear side plate 13, and the taper-shaped chamfer 311 and the annular toothed ring 217 are matched to fix the position of the ejector rod 21.

Specifically, the driving plate 33 is L-shaped, and the end of the driving plate extends in the vertical upward direction, the control handle 5 includes a handle 51 in threaded connection with the right side plate 13 and a rotating spring 52 fixedly connected with a rotating shaft of the handle 51, the rotating shaft of the handle 51 is rotatably connected with the driving plate 33, and the outer wall of the right side plate 13 is provided with two positions of OPEN and LOCK, which respectively correspond to two states of releasing and locking of the handle 51, when the handle 51 is rotated to the OPEN position, the thimble locking plate 3 moves to a position close to the right side plate 13 and the abdicating groove 322 contacts with two positioning sleeves 323 close to the right side plate 13, at this time, the thimble locking hole 31 and the ejector rod 21 are in a concentric position, and the taper chamfer 311 does not contact with the annular toothed ring 217; when the handle 51 is rotated to the LOCK position, the thimble locking plate 3 moves to a position away from the right side plate 13 and the receding groove 322 contacts with the two positioning sleeves 323 close to the left side plate 13, at this time, the tapered chamfer 311 on the thimble locking hole 31 moves to a position close to and embedded with the annular toothed ring 217, and the position of the push rod 21 in the vertical direction is fixed.

Preferably, in this embodiment, 20 thimble assemblies 2 are arranged and distributed along the upper end surface of the base 1 in a rectangular array of 4 rows and 5 columns, so as to achieve sufficient positioning of the curved surface.

One specific application of this embodiment is:

the utility model discloses an elastic device and by the buckle formula locking mode between thimble locking plate 3 and the ejector pin 21 lateral wall form, when loosening brake valve lever 5, thimble locking hole 31 has the interval with ejector pin 21 lateral wall, when the magnetic part 213 of curved surface or special-shaped pipe fitting contact ejector pin 21 tip, whole device adsorbs automatically, press down base 1 hard afterwards, make the contact surface all contact magnet or 215 contact position of steel ball, can lock brake valve lever 5, make thimble locking plate 3 remove, thimble locking hole 31 supports tight ejector pin 21 lateral wall, make ejector pin 21 rigidity, workpiece surface data all reads in flexible omnipotent locator this moment.

In summary, the magnetic portion 213, the elastic device, the thimble clamping plate and the control handle 5 can be used to quickly read the data on the surface of the workpiece, and facilitate quick clamping of workpieces in the same batch.

In the description of the present invention, it is to be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "one side", "top", "inner", "front", "center", "both ends", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "disposed," "connected," "fixed," "screwed" and the like are to be construed broadly, e.g., as meaning fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; they may be directly connected or indirectly connected through an intermediate medium, and may be connected through the inside of two elements or in an interaction relationship between two elements, unless otherwise specifically defined, and the specific meaning of the above terms in the present invention will be understood by those skilled in the art according to specific situations.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a flexible omnipotent locator, includes base (1), a plurality of thimble assembly (2) and thimble locking plate (3), its characterized in that: the thimble assembly (2) comprises a push rod (21), a reset spring (22) and a push rod sleeve (23), the push rod sleeve (23) is fixed at the inner bottom of the base (1), the push rod (21) vertically penetrates through the upper end face of the base (1) and then is connected in the push rod sleeve (23) through the reset spring (22), one end of the push rod (21) far away from the base (1) is provided with a magnetic part (213), the side wall of the push rod (21) is symmetrically provided with an elastic device at one end of the magnetic part (213), the thimble locking plate (3) is arranged between the upper end faces of the push rod sleeve (23) and the base (1) and is provided with a plurality of thimble locking holes (31) for the thimble assembly (2) to pass through, the side wall of the base (1) is provided with a control handle (5) for pushing the thimble locking plate (3) to slide along the horizontal direction, and when the control handle (5) rotates, the thimble locking plate (, the side wall of the thimble locking hole (31) is propped against or is far away from the side wall of the ejector rod (21).

2. A flexible universal locator according to claim 1 wherein: the side wall of one end, far away from the base (1), of the ejector rod (21) is symmetrically provided with installation through holes (214) in a penetrating mode, and the elastic device comprises steel balls (215) arranged at two ends of the installation through holes (214) and locking springs (216) arranged in the installation through holes (214) and fixedly connected with the steel balls (215) at two ends.

3. A flexible universal locator according to claim 1 wherein: base (1) includes roof (11), bottom plate (12) and four curb plates (13) of connecting roof (11) and bottom plate (12), be equipped with between roof (11) and bottom plate (12) thimble fixed plate (4) parallel with roof (11), thimble fixed plate (4) are worn to be equipped with a plurality of thimble spacing holes (41) that supply ejector pin (21) to pass, thimble locking plate (3) slide in thimble fixed plate (4) up end, ejector pin cover (23) are located thimble fixed plate (4) between bottom plate (12) and ejector pin cover (23) internal diameter and are greater than thimble spacing hole (41) diameter, the one end that ejector pin (21) are close bottom plate (12) is equipped with spacing portion (211) of laminating with ejector pin cover (23) inner wall.

4. A flexible universal locator according to claim 3 wherein: front and back two curb plate (13) inner wall has seted up spout (131) along the horizontal direction, thimble locking plate (3) including slide block (32) and locate drive plate (33) that slide block (32) one side and brake valve lever (5) are connected, slide block (32) both sides extend have with spout (131) complex sliding block (321) that slides, sliding block (321) form between length direction's both sides lateral wall and slide block (32) lateral wall and step down groove (322), thimble fixed plate (4) up end is equipped with and steps down groove (322) complex position sleeve (323) in four corner positions.

5. A flexible universal locator according to claim 1 wherein: the thimble locking hole (31) is an annular taper hole with an inverted cone-shaped section, a sharp cone-shaped chamfer (311) is formed at the lower end of the thimble locking hole, and an annular gear ring (217) embedded with the sharp cone-shaped chamfer (311) is arranged on the side wall of the ejector rod (21) along the length direction of the ejector rod.

6. A flexible universal locator according to claim 1 wherein: the ejector pin guide rod hole (111) that supplies ejector pin (21) to pass is worn to be equipped with by base (1) up end, guiding groove (112) that the cross-section is the taper are seted up to the upper and lower both ends symmetry of ejector pin guide rod hole (111), and the cross-section incline direction of guiding groove (112) all towards the central point of ejector pin guide rod hole (111) puts.

7. A flexible universal locator according to claim 1 wherein: the thimble assembly (2) is provided with a plurality of pins and is distributed along the upper end surface of the base (1) in a rectangular array.