CN117300930A - Positioning device - Google Patents

Positioning device Download PDF

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Publication number
CN117300930A
CN117300930A CN202310446346.3A CN202310446346A CN117300930A CN 117300930 A CN117300930 A CN 117300930A CN 202310446346 A CN202310446346 A CN 202310446346A CN 117300930 A CN117300930 A CN 117300930A
Authority
CN
China
Prior art keywords
bevel gear
driving rod
clamping block
clamping
rotating rod
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN202310446346.3A
Other languages
Chinese (zh)
Inventor
林长毅
林长志
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Individual
Original Assignee
Individual
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Individual filed Critical Individual
Publication of CN117300930A publication Critical patent/CN117300930A/en
Pending legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/25—Movable or adjustable work or tool supports
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B1/00—Vices
    • B25B1/06—Arrangements for positively actuating jaws
    • B25B1/10—Arrangements for positively actuating jaws using screws
    • B25B1/103—Arrangements for positively actuating jaws using screws with one screw perpendicular to the jaw faces, e.g. a differential or telescopic screw
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q1/00—Members which are comprised in the general build-up of a form of machine, particularly relatively large fixed members
    • B23Q1/0063—Connecting non-slidable parts of machine tools to each other
    • B23Q1/0072—Connecting non-slidable parts of machine tools to each other using a clamping opening for receiving an insertion bolt or nipple
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q16/00—Equipment for precise positioning of tool or work into particular locations not otherwise provided for
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
    • B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
    • B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
    • B23Q3/06—Work-clamping means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
    • B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Vehicle Body Suspensions (AREA)
  • Die Bonding (AREA)
  • Seal Device For Vehicle (AREA)
  • Automatic Assembly (AREA)
  • Transmission Devices (AREA)

Abstract

The invention relates to a positioning device, which comprises: a base, which comprises a plurality of through holes and a chute; the clamping assembly is arranged in the chute and comprises a first clamping block and a second clamping block; the adjusting component comprises a first driving rod, a second driving rod and at least one rotating rod, wherein the first driving rod comprises a first threaded section and a first bevel gear, the second driving rod comprises a second threaded section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first threaded section and the second threaded section, each rotating rod comprises a third bevel gear, and the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear.

Description

Positioning device
Technical Field
The present invention relates to a positioning device.
Background
In the conventional positioning device, for example, taiwan patent No. I720854, a guide post is screwed on the guide post channel, and a first tapered guide surface of the guide post moves axially to radially push against a plurality of steel balls to drive a first locking member and a second locking member to lock the first locking member and the second locking member.
However, in the conventional positioning device, the guide post pushes the plurality of steel balls and the plurality of steel balls push the first and second clamping members to be in point-to-point contact, so that uneven stress is easily caused in the pushing process, and the first and second clamping members are easily deflected, so that the first and second inserting posts cannot be smoothly moved and cannot be firmly clamped.
Therefore, there is a need to provide a novel and advanced positioning device to solve the above-mentioned problems.
Disclosure of Invention
The main objective of the present invention is to provide a positioning device that can stably drive a first clamping block and a second clamping block to move relatively and have an average stress.
In order to achieve the above object, the present invention provides a positioning device, comprising: a base including a plurality of through holes and a chute extending along a first direction; the clamping assembly is arranged in the chute and comprises a first clamping block and a second clamping block, and the first clamping block and the second clamping block can move relatively to at least one through hole along the first direction between a locking position and a release position; the first driving rod and the second driving rod are respectively and rotatably arranged on the chute, the first driving rod comprises a first thread section and a first bevel gear, the second driving rod comprises a second thread section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first thread section and the second thread section, each rotating rod comprises a third bevel gear, and the third bevel gear is respectively meshed with the first bevel gear and the second bevel gear so that the rotating rod can link the first driving rod and the second driving rod to rotate.
The first bevel gear and the second bevel gear are oppositely arranged at intervals in the first direction, and the third bevel gear of the at least one rotating rod is meshed between the first bevel gear and the second bevel gear.
The adjusting component comprises a plurality of rotating rods, the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is respectively meshed with the different positions of the first bevel gear and the second bevel gear.
Each perforation extends along an axial direction, the axial direction is transverse to the first direction, the plurality of perforations are at least partially arranged at the corners of the chute, the first clamping block comprises at least one first clamping part, and the second clamping block comprises at least one second clamping part; when the first clamping block and the second clamping block are respectively at the locking positions, each first clamping part and each second clamping part respectively protrude into one of the through holes and are used for being clamped into a concave groove of a bolt rod positioned in the through hole; when the first clamping block and the second clamping block are respectively at the release positions, the first clamping part and the second clamping part are respectively separated from the groove of the bolt.
Each first clamping part and each second clamping part are respectively provided with an arc concave surface facing one of the through holes.
Each first clamping part and each second clamping part are wedge-shaped and respectively comprise a first inclined plane and a second inclined plane which are arranged on two opposite sides of the axial direction, the arc concave surface is arranged between the first inclined plane and the second inclined plane, and the first inclined plane and the second inclined plane are gradually close to each other towards the direction of the arc concave surface.
The positioning device further comprises a plurality of positioning rings which are respectively arranged in the plurality of through holes, a through groove is formed in the circumferential wall of each positioning ring in a penetrating way, the through groove is communicated with the arranged through holes and the sliding groove, and each first clamping part and each second clamping part can respectively pass through the through groove of one positioning ring.
The base also comprises a first shaft hole and a blocking piece, the first shaft hole is communicated with the sliding groove and the outside, the adjusting component further comprises a shaft piece, the shaft piece penetrates through the first shaft hole and at least one of the first driving rod and the second driving rod, at least one of the first driving rod and the second driving rod can rotate relative to the shaft piece, and the blocking piece covers the first shaft hole and is positioned between the outside and the sliding groove.
The positioning device further comprises at least one limiting component, the base further comprises at least one containing hole extending along a second direction, each containing hole is communicated with the sliding groove and the outside, the second direction is transverse to the first direction, the at least one rotating rod is rotatably arranged in the at least one containing hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one containing hole far away from the sliding groove, the at least one rotating rod can be clamped against the at least one limiting piece in the second direction, and the gasket is abutted between the limiting piece and the rotating rod.
The first clamping block comprises two first clamping parts, and the first clamping parts are respectively arranged at the corners of the two opposite sides of the first clamping block, which are far away from one side of the first bevel gear and are transverse to the first direction; the second clamping block comprises two second clamping parts, and the second clamping parts are respectively arranged at the corners of the two opposite sides of the second clamping block, which are far away from one side of the second bevel gear and are transverse to the first direction; the spiral directions of the first thread section and the second thread section are opposite; the first bevel gear and the second bevel gear are oppositely arranged at intervals in the first direction, and the third bevel gear of the at least one rotating rod is meshed between the first bevel gear and the second bevel gear; the adjusting component comprises a plurality of rotating rods, wherein the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is respectively meshed with the opposite positions of the first bevel gear and the second bevel gear; at least two rotating rods are coaxially arranged, the first driving rod and the second driving rod are arranged in the first direction, and at least two rotating rods are arranged transversely to the first direction; the positioning device further comprises a plurality of positioning rings which are respectively arranged in the plurality of through holes, a through groove is penetrated through the peripheral wall of each positioning ring, the through groove is communicated with the arranged through holes and the sliding groove, and each first clamping part and each second clamping part can respectively pass through the through groove of one positioning ring; the base comprises a first shaft hole and a blocking piece, wherein the first shaft hole is communicated with the sliding groove and the outside, the adjusting component further comprises a shaft piece, the shaft piece penetrates through the first shaft hole and at least one of the first driving rod and the second driving rod, the at least one of the first driving rod and the second driving rod can rotate relative to the shaft piece, and the blocking piece covers the first shaft hole and is positioned between the outside and the sliding groove; the base further comprises a second shaft hole, the second shaft hole and the first shaft hole are coaxially arranged and are respectively arranged at two opposite sides of the chute, and the shaft piece penetrates through the first driving rod, the second driving rod and the second shaft hole; the positioning device further comprises at least one limiting component, the base further comprises at least one containing hole extending along a second direction, each containing hole is communicated with the sliding groove and the outside, the second direction is transverse to the first direction, the at least one rotating rod is rotatably arranged in the at least one containing hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one containing hole far away from the sliding groove, the at least one rotating rod can be clamped against the at least one limiting piece in the second direction, and the gasket is abutted between the limiting piece and the rotating rod; the limiting piece is a C-shaped buckle, the gasket is a gasket, one end of each rotating rod corresponding to the gasket is provided with a combining part for combining a tool; the base comprises two containing holes which are arranged at intervals in the second direction, and each rotating rod is arranged in one of the containing holes.
The invention has the beneficial effects that: the positioning device can stably drive the first clamping block and the second clamping block to relatively move and bear average force.
Drawings
Fig. 1 is a perspective view of a preferred embodiment of the present invention.
Fig. 2 is a perspective view of a preferred embodiment of the present invention in combination with a clamped workpiece.
FIG. 3 is an exploded view of a preferred embodiment of the present invention.
Fig. 4 is a cross-sectional view of a preferred embodiment of the present invention.
Fig. 4A is a partial enlarged view of fig. 4.
FIG. 5 is a cross-sectional exploded view of a preferred embodiment of the present invention.
FIG. 6 is a cross-sectional exploded view of a first clamp block and a second clamp block in a released position in accordance with a preferred embodiment of the present invention.
FIG. 7 is a cross-sectional exploded view of a first clamp block and a second clamp block in a locked position in accordance with a preferred embodiment of the present invention.
FIG. 8 is a perspective view of a first drive rod according to a preferred embodiment of the present invention.
Fig. 9 is a perspective view of a rotating lever according to a preferred embodiment of the present invention.
10 base
11 perforations
12 sliding groove
13 first shaft hole
14 stop member
15 containing hole
16 second shaft hole
20 clamping Assembly
21 first clamping block
211 first clamping part
22 second clamping block
221 second detent portion
23 arc concave surface
24 first inclined plane
25 second inclined plane
30 adjusting assembly
31 first driving rod
311 first thread segment
312 first bevel gear
313 bottom part
314 first tooth portion
315 concave space
316 first conical surface
317 second conical surface
318 oblique contact surface
319 external tooth surface
32 second driving rod
321 second thread segment
322 second bevel gear
33 rotating rod
331 third bevel gear
332 joint portion
34 shaft element
35 second tooth portion
351 helical tooth face
352 against surface
353 extension surface
354 end face
40 bolt rod
41 groove
42 bottom ring circumferential surface
43 inclined wall surface
50 positioning ring
51 through groove
52 circumferential wall
60 spacing assembly
61 spacing piece
62 gasket
70 clamping workpiece
L1 first direction
L2 second direction
A1 first central axis
A2 second central axis
Detailed Description
The following examples are given to illustrate possible embodiments of the present invention, but are not intended to limit the scope of the invention, and the terms "a" or "an" as used herein are not intended to limit the number of the embodiments, but rather the number of the embodiments is also "a plurality" as required, and the scope of the embodiments is defined by the claims.
Referring to fig. 1 to 9 and fig. 4A, a positioning device according to a preferred embodiment of the invention includes a base 10, a clamping assembly 20 and an adjusting assembly 30.
The base 10 includes a plurality of through holes 11 and a chute 12 extending along a first direction L1; the clamping assembly 20 is disposed in the chute 12, the clamping assembly 20 includes a first clamping block 21 and a second clamping block 22, and the first clamping block 21 and the second clamping block 22 can move between a locking position and a releasing position relative to at least one through hole 11 along the first direction L1 respectively; the adjusting component 30 includes a first driving rod 31, a second driving rod 32 and at least one rotating rod 33, the at least one rotating rod 33 is rotatably disposed on the base 10, the first driving rod 31 and the second driving rod 32 are rotatably disposed on the chute 12, the first driving rod 31 includes a first threaded section 311 and a first bevel gear 312, the second driving rod 32 includes a second threaded section 321 and a second bevel gear 322, the first clamping block 21 and the second clamping block 22 are disposed (screwed) on the first threaded section 311 and the second threaded section 321, respectively, each rotating rod 33 includes a third bevel gear 331, and the third bevel gear 331 is meshed with the first bevel gear 312 and the second bevel gear 322 respectively so that the rotating rod 33 can link the first driving rod 31 and the second driving rod 32 to rotate. In this embodiment, the screw directions of the first screw thread segment 311 and the second screw thread segment 321 are opposite. Thereby, a quick and repeated disassembly, assembly and positioning jig or clamping of the workpiece 70 is provided; and, the first driving rod 31 is screwed with the first clamping block 21, the second driving rod 32 is screwed with the second clamping block 22 respectively to provide surface-to-surface contact combination, so that the first clamping block 21 and the second clamping block 22 are driven to move and position relatively stably by average stress. In addition, according to the requirements, such as the output torque, the driving force, the displacement speed of the first clamping block 21 and the second clamping block 22 or the loading degree of the first driving rod 31 and the second driving rod 32, the gear ratio between the third bevel gear 331 and the first bevel gear 312 and the second bevel gear 322 can be replaced, or at least one of the first bevel gear 312, the second bevel gear 322 and the third bevel gear 331 with different shapes can be replaced, so as to improve the diversity in use.
Each through hole 11 extends along an axial direction, the axial direction is transverse to the first direction L1, the plurality of through holes 11 are at least partially disposed at corners of the chute 12, the first clamping block 21 comprises at least one first clamping portion 211, and the second clamping block 22 comprises at least one second clamping portion 221; when the first clamping block 21 and the second clamping block 22 are respectively at the locking positions, each first clamping portion 211 and each second clamping portion 221 respectively protrude into one of the through holes 11 and are provided for being clamped into a groove 41 of a bolt 40 positioned in the through hole 11; when the first clamping block 21 and the second clamping block 22 are respectively at the release positions, the first clamping portion 211 and the second clamping portion 221 are respectively separated from the groove 41 of the bolt 40. In the present embodiment, the first clamping block 21 includes two first clamping portions 211, and the first clamping block 21 is provided with the first clamping portions 211 at corners of two opposite sides facing to a side away from the first bevel gear 312 and transverse to the first direction L1; the second clamping block 22 comprises two second clamping parts 221, and the second clamping parts 221 are respectively arranged at the corners of the opposite sides of the second clamping block 22, which are far away from the second bevel gear 322 and are transverse to the first direction L1; therefore, each of the first locking portion 211 and the second locking portion 221 provides a force inclined to the first direction L1 for locking in the groove 41 of the bolt 40, so as to resist the reaction force in the first direction L1, and thus the positioning is stable. Furthermore, the first clamping block 21 and the second clamping block 22 are used for respectively clamping and fixing the plurality of bolts 40.
Each of the first engaging portion 211 and the second engaging portion 221 has an arc concave surface 23 facing one of the through holes 11. Each of the first locking portions 211 and each of the second locking portions 221 are wedge-shaped and each of the first locking portions further comprises a first inclined surface 24 and a second inclined surface 25 which are arranged on two opposite sides in the axial direction, the arc concave surface 23 is arranged between the first inclined surface 24 and the second inclined surface 25, and the first inclined surface 24 and the second inclined surface 25 are gradually approaching to each other in the direction of the arc concave surface 23; in this embodiment, the first inclined surface 24 and the second inclined surface 25 are respectively arc-shaped concave, specifically, the first inclined surface 24 and the second inclined surface 25 may abut against two opposite inclined wall surfaces 43 of the groove 41 in the axial direction, and the arc-shaped concave surface 23 may correspond to (or abut against) a bottom circumferential surface 42 of the groove 41; thus, the pins 40 of different sizes may be provided to mate with, for example, the grooves of the bottom ring periphery of different depths, heights or curvatures.
The first bevel gear 312 and the second bevel gear 322 are disposed opposite to each other at intervals in the first direction L1, and the third bevel gear 331 of the at least one rotating rod 33 is engaged between the first bevel gear 312 and the second bevel gear 322. Preferably, the adjusting assembly 30 includes a plurality of rotating rods 33, and the third bevel gear 331 of each rotating rod 33 is located between the first bevel gear 312 and the second bevel gear 322 and is engaged with the first bevel gear 312 and the second bevel gear 322 respectively (opposite to each other in the present embodiment). At least two of the rotating rods 33 are coaxially disposed, the first driving rod 31 and the second driving rod 32 are aligned in the first direction L1, and at least two of the rotating rods 33 are aligned in a direction transverse to the first direction L1. Thus, the first bevel gear 312 and the second bevel gear 322 can be operated in multiple directions for convenient adjustment, and can synchronously and stably rotate without relative deflection.
The base 10 further includes a first shaft hole 13 and a blocking member 14, the first shaft hole 13 communicates with the sliding slot 12 and an outside, the adjusting assembly 30 further includes a shaft member 34, the shaft member 34 is disposed through the first shaft hole 13 and at least one of the first driving rod 31 and the second driving rod 32, the at least one of the first driving rod 31 and the second driving rod 32 can rotate relative to the shaft member 34, and the blocking member 14 covers the first shaft hole 13 and is located between the outside and the sliding slot 12. In this embodiment, the blocking member 14 is a stop screw locked in the first shaft hole 13, which facilitates the assembly and disassembly of the shaft 34. Preferably, the base 10 further includes a second shaft hole 16, the second shaft hole 16 is coaxially disposed with the first shaft hole 13 and is disposed on two opposite sides of the chute 12, and the shaft 34 is disposed through the first driving rod 31, the second driving rod 32 and the second shaft hole 16, so that the first driving rod 31 and the second driving rod 32 are coaxially disposed to rotate stably.
The positioning device further includes at least one limiting component 60, the base 10 further includes at least one receiving hole 15 extending along a second direction L2, each receiving hole 15 communicates with the chute 12 and an outside, the second direction L2 is transverse to the first direction L1, the at least one rotating rod 33 is rotatably disposed in the at least one receiving hole 15, each limiting component 60 includes a limiting member 61 and a spacer 62, the at least one limiting member 61 is detachably disposed at an end of the at least one receiving hole 15 away from the chute 12, the at least one rotating rod 33 can be clamped against the at least one limiting member 61 in the second direction L2, and the spacer 62 is abutted between the limiting member 61 and the rotating rod 33. In this embodiment, the limiting member 61 is a C-shaped buckle, the spacer 62 is a washer, one end of each of the rotating rods 33 corresponding to the washer is provided with a coupling portion 332, the coupling portion 332 is used for coupling a tool, and in this embodiment, the coupling portion 332 is a polygonal hole, which further illustrates that the tool can be directly coupled with the polygonal hole through the C-shaped buckle and the washer. In addition, the base 10 includes two receiving holes 15, the two receiving holes 15 are disposed at intervals in the second direction L2, and each of the rotating rods 33 is disposed in one of the receiving holes 15. Thus, each of the rotation levers 33 is prevented from moving away from the third bevel gear 331 in the second direction L2, and each of the rotation levers 33 is prevented from being disengaged from the first driving lever 31 and the second driving lever 32. The C-shaped buckle can be elastically contracted or expanded to facilitate disassembly and assembly.
In this embodiment, an outer diameter of the first bevel gear 312 is larger than an outer diameter of the first threaded section 311, the first bevel gear 312 and the first threaded section 311 are disposed along a first central axis A1, the first bevel gear 312 includes a bottom 313 and a plurality of first teeth 314 disposed on the first central axis A1, the plurality of first teeth 314 are disposed around the first central axis A1 on the bottom 313 and protrude axially in a direction away from the bottom 313, the plurality of first teeth 314 and the bottom 313 define a concave space 315, each of the first teeth 314 includes a first conical surface 316, a second conical surface 317, two inclined contact surfaces 318 and an outer tooth surface 319, the first conical surface 316 is radially tapered toward the concave space 315, the second conical surface 317 is axially tapered toward a direction away from the bottom 313, the first conical surface 316 is laterally disposed on opposite sides of the second conical surface 317, the outer tooth surface 319 is disposed on a side of the outer tooth surface 319 radially away from the concave space 319, the second conical surface 317 is disposed on a side of the outer tooth surface 319 facing away from the second conical surface 315, and is disposed between the outer tooth surface 317 and the second conical surface 317 in an opposite axial direction of the outer conical surface 315; wherein the second driving rod 32 has the same structure as the first driving rod 31. Each of the rotating rods 33 defines a second central axis A2, each of the rotating rods 33 includes a plurality of second teeth portions 35, the plurality of second teeth portions 35 are disposed around the second central axis A2, each of the second teeth portions 35 includes a beveled tooth surface 351, two abutment surfaces 352, an extending surface 353 and a radially extending end surface 354, the beveled tooth surface 351 is disposed between the end surface 354 and the extending surface 353, the extending surface 353 tapers in the axial direction toward the beveled tooth surface 351, the beveled tooth surface 351 is a quadrilateral, the beveled tooth surface 351 tapers from the extending surface 353 toward the end surface 354 and gradually approaches the second central axis A2, and the two abutment surfaces 352 are disposed at two opposite sides in the circumferential direction and are respectively connected between the extending surface 353, the beveled tooth surface 351 and the end surface 354. One of the abutment surfaces 352 can circumferentially abut one of the sloped abutment surfaces 318 of one of the first teeth 314; whereby each of the rotation rods 33 can smoothly rotate at least one of the first driving rod 31 and the second driving rod 32. The first central axis A1 intersects the second central axis A2. In addition, in other embodiments, each of the first tooth portion and each of the second tooth portion may have a V-shape or a trapezoid shape.
The opposite ends of the first driving rod 31 and the second driving rod 32 respectively lean against the peripheral wall of the chute 12, so as to prevent the first driving rod 31 and the second driving rod 32 from being relatively far away when driven to rotate by the at least one rotating rod 33.
The positioning device further comprises a plurality of positioning rings 50, the positioning rings 50 are respectively disposed in the plurality of through holes 11, a circumferential wall 52 of each positioning ring 50 is provided with a through groove 51, the through groove 51 communicates with the disposed through hole 11 and the chute 12, each of the first locking portion 211 and each of the second locking portion 221 can respectively pass through the through groove 51 of one of the positioning rings 50, specifically, the hardness of each positioning ring 50 is relatively greater than that of each through hole 11, and can be made of metal or plastic, so as to avoid abrasion of the plurality of through holes 11, and in addition, each positioning ring 50 is detachably disposed in one of the through holes 11 to provide replacement.
In use, the at least one rotation rod 33 is rotated to synchronously rotate the first driving rod 31 and the second driving rod 32 to drive the first clamping block 21 and the second clamping block 22 to move relatively so as to lock at least one bolt 40 to position or release at least one bolt 40.

Claims (10)

1. A positioning device, characterized in that: comprising the following steps:
a base including a plurality of through holes and a chute extending along a first direction;
the clamping assembly is arranged in the chute and comprises a first clamping block and a second clamping block, and the first clamping block and the second clamping block can move relatively to at least one through hole along the first direction between a locking position and a releasing position; and
The adjusting component comprises a first driving rod, a second driving rod and at least one rotating rod, wherein the at least one rotating rod is rotatably arranged on the base, the first driving rod and the second driving rod are respectively rotatably arranged on the sliding groove, the first driving rod comprises a first threaded section and a first bevel gear, the second driving rod comprises a second threaded section and a second bevel gear, the first clamping block and the second clamping block are respectively arranged on the first threaded section and the second threaded section, each rotating rod comprises a third bevel gear, and the third bevel gears are respectively meshed with the first bevel gear and the second bevel gear so that the rotating rod can link the first driving rod and the second driving rod to rotate.
2. The positioning device of claim 1, wherein: the first bevel gear and the second bevel gear are oppositely arranged at intervals in the first direction, and the third bevel gear of the at least one rotating rod is meshed between the first bevel gear and the second bevel gear.
3. The positioning device of claim 2, wherein: the adjusting component comprises a plurality of rotating rods, the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is respectively meshed with the different positions of the first bevel gear and the second bevel gear.
4. The positioning device of claim 1, wherein: each perforation extends along an axial direction, the axial direction is transverse to the first direction, the plurality of perforations are at least partially arranged at the corners of the chute, the first clamping block comprises at least one first clamping part, and the second clamping block comprises at least one second clamping part; when the first clamping block and the second clamping block are respectively at the locking positions, each first clamping part and each second clamping part respectively protrude into one of the through holes and are used for being clamped into a concave groove of a bolt rod positioned in the through hole; when the first clamping block and the second clamping block are respectively at the release positions, the first clamping part and the second clamping part are respectively separated from the groove of the bolt.
5. The positioning device of claim 4, wherein: each first clamping part and each second clamping part are respectively provided with an arc concave surface facing one of the through holes.
6. The positioning device of claim 5, wherein: each first clamping part and each second clamping part are wedge-shaped and respectively comprise a first inclined plane and a second inclined plane which are arranged on two opposite sides of the axial direction, the arc concave surface is arranged between the first inclined plane and the second inclined plane, and the first inclined plane and the second inclined plane are gradually close to each other towards the direction of the arc concave surface.
7. The positioning device of claim 4, wherein: the positioning device comprises a plurality of positioning rings, wherein the positioning rings are respectively arranged in the plurality of through holes, a through groove is formed in the circumferential wall of each positioning ring in a penetrating way, the through groove is communicated with the arranged through holes and the sliding groove, and each first clamping part and each second clamping part can respectively pass through the through groove of one positioning ring.
8. The positioning device of claim 1, wherein: the base also comprises a first shaft hole and a blocking piece, the first shaft hole is communicated with the sliding groove and the outside, the adjusting component further comprises a shaft piece, the shaft piece penetrates through the first shaft hole and at least one of the first driving rod and the second driving rod, at least one of the first driving rod and the second driving rod can rotate relative to the shaft piece, and the blocking piece covers the first shaft hole and is positioned between the outside and the sliding groove.
9. The positioning device of claim 1, wherein: the base also comprises at least one limiting component, the base also comprises at least one containing hole extending along a second direction, each containing hole is communicated with the chute and the outside, the second direction is transverse to the first direction, the at least one rotating rod is rotatably arranged in the at least one containing hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one containing hole far away from the chute, the at least one rotating rod can be blocked against the at least one limiting piece in the second direction, and the gasket is abutted between the limiting piece and the rotating rod.
10. The positioning device of claim 5, wherein: the first clamping block comprises two first clamping parts, and the first clamping parts are respectively arranged at the corners of the two opposite sides of the first clamping block, which are far away from one side of the first bevel gear and are transverse to the first direction; the second clamping block comprises two second clamping parts, and the second clamping parts are respectively arranged at the corners of the two opposite sides of the second clamping block, which are far away from one side of the second bevel gear and are transverse to the first direction; the spiral directions of the first thread section and the second thread section are opposite; the first bevel gear and the second bevel gear are oppositely arranged at intervals in the first direction, and the third bevel gear of the at least one rotating rod is meshed between the first bevel gear and the second bevel gear; the adjusting component comprises a plurality of rotating rods, wherein the third bevel gear of each rotating rod is positioned between the first bevel gear and the second bevel gear and is respectively meshed with the opposite positions of the first bevel gear and the second bevel gear; at least two rotating rods are coaxially arranged, the first driving rod and the second driving rod are arranged in the first direction, and at least two rotating rods are arranged transversely to the first direction; the positioning device further comprises a plurality of positioning rings which are respectively arranged in the plurality of through holes, a through groove is penetrated through the peripheral wall of each positioning ring, the through groove is communicated with the arranged through holes and the sliding groove, and each first clamping part and each second clamping part can respectively pass through the through groove of one positioning ring; the base comprises a first shaft hole and a blocking piece, wherein the first shaft hole is communicated with the sliding groove and the outside, the adjusting component further comprises a shaft piece, the shaft piece penetrates through the first shaft hole and at least one of the first driving rod and the second driving rod, the at least one of the first driving rod and the second driving rod can rotate relative to the shaft piece, and the blocking piece covers the first shaft hole and is positioned between the outside and the sliding groove; the base further comprises a second shaft hole, the second shaft hole and the first shaft hole are coaxially arranged and are respectively arranged at two opposite sides of the chute, and the shaft piece penetrates through the first driving rod, the second driving rod and the second shaft hole; the positioning device further comprises at least one limiting component, the base further comprises at least one containing hole extending along a second direction, each containing hole is communicated with the sliding groove and the outside, the second direction is transverse to the first direction, the at least one rotating rod is rotatably arranged in the at least one containing hole, each limiting component comprises a limiting piece and a gasket, the at least one limiting piece is detachably arranged at one end part of the at least one containing hole far away from the sliding groove, the at least one rotating rod can be clamped against the at least one limiting piece in the second direction, and the gasket is abutted between the limiting piece and the rotating rod; the limiting piece is a C-shaped buckle, the gasket is a gasket, one end of each rotating rod corresponding to the gasket is provided with a combining part for combining a tool; the base comprises two containing holes which are arranged at intervals in the second direction, and each rotating rod is arranged in one of the containing holes.
CN202310446346.3A 2022-06-29 2023-04-24 Positioning device Pending CN117300930A (en)

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TW111124350 2022-06-29
TW111124350A TWI798121B (en) 2022-06-29 2022-06-29 Positioning device

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CN (1) CN117300930A (en)
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TW (1) TWI798121B (en)

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TW202400365A (en) 2024-01-01

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