CN204988228U - Screw rod detection device - Google Patents

Screw rod detection device Download PDF

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Publication number
CN204988228U
CN204988228U CN201520433115.XU CN201520433115U CN204988228U CN 204988228 U CN204988228 U CN 204988228U CN 201520433115 U CN201520433115 U CN 201520433115U CN 204988228 U CN204988228 U CN 204988228U
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CN
China
Prior art keywords
screw rod
outer tube
unit
pick
base
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Expired - Fee Related
Application number
CN201520433115.XU
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Chinese (zh)
Inventor
吴叁贵
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CHUAN HONG PRECISION TOOLS Co Ltd
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CHUAN HONG PRECISION TOOLS Co Ltd
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Priority to CN201520433115.XU priority Critical patent/CN204988228U/en
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Publication of CN204988228U publication Critical patent/CN204988228U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a screw rod detection device for improve mesh front screw bar and detect the problem that the precision is not good and the operation is difficult. This screw rod detection device contains: a base, a centre gripping module, this centre gripping module has a base of locating on this base, and locate two rotating members and the drive assembly on this base, this drive assembly connects these two rotating members, it is rotatory in order to drive these two rotating members, press pressure arm pin joint in this base for one, a pinch roller is rotatably connected should press the pressure arm, axial direction parallel in the axial of these two rotating members of this pinch roller, the ring of this pinch roller is global relative with rings these two rotating members, and the ring of these two rotating members is global to be equipped with a screw thread portion respectively, and a measured module, this measured module has a supporting seat and a caliber, and on this base was located to this supporting seat, on this supporting seat was located to this caliber, one was detected this caliber of first telescopically connection, and is somebody's turn to do the screw portion that the free tip that detects the head moved towards these two rotating members.

Description

Screw rod pick-up unit
Technical field
The utility model is about a kind of pick-up unit, especially a kind of screw rod pick-up unit in order to detect screw rod specification.
Background technology
When general external thread and internal thread engagement, the paddy footpath of externally threaded external diameter and internal thread, and between the internal diameter of internal thread and externally threaded paddy footpath, small gap can be had, flank of thread then should abut mutually; This position abutted mutually is the tangent place of pitch circle of this external thread and internal thread, is the position of actual transfer strength between screw thread, and defines " pitch diameter " of this external thread and internal thread, also known as " effective diameter ".When the effective diameter of external thread and internal thread is close, the two intermeshing situation is better; Relatively, effective diameter differs greatly, and can produce gap, causes the problem that engagement is bad.Whether therefore, whether the effective diameter of external thread and internal thread meets specification, be one of important test item of certified products for inspecting this screw element.
For being provided with externally threaded screw rod, whether its externally threaded effective diameter of early detection is qualified, is all to use " ring thread gage ".During detection, should have two female ring thread gages of tool, wherein the effective diameter of the internal thread of a ring thread gage is the lower limit of screw rod nominal size, and the effective diameter of the internal thread of another ring thread gage is then the higher limit of screw rod nominal size.Accordingly, whether the external thread that user can detect screw rod can be screwed into the internal thread of this two ring thread gage.Wherein, the screw rod of the ring thread gage with screw thread nominal size higher limit cannot be screwed into, and the screw rod that can be screwed into the ring thread gage with screw thread nominal size lower limit is defective products; The ring thread gage with screw thread nominal size higher limit can be screwed into and the screw rod that can not be screwed into the ring thread gage with screw thread nominal size lower limit, then for meeting the non-defective unit of product pipe standards, that is, the effective diameter of this screw rod falls between the upper and lower limit of nominal size, this screw rod can be screwed into the nut meeting nominal size, and can not produce loosening after combining.
Just, during the effective diameter of current detection external thread of screw, can only learn that the external thread of tested screw rod is whether between the upper and lower limit of nominal size, and the just size of the effective diameter of external thread of screw cannot be learnt definitely, and, the externally threaded center line of this screw rod whether with the axis co-axial of this screw rod, the contiguity of average force can be formed during to guarantee that this screw rod engages with other screw elements.
In order to solve the problem, please refer to Fig. 1, it is the schematic diagram using a kind of existing three wire gauges 9 to measure the externally threaded effective diameter of screw rod S; During operation, first measure the externally threaded pitch P of tested screw rod S, then select corresponding formula according to screw thread kenel, substitute into this pitch P to calculate best steel wire diameter d; Such as, when the external thread of tested screw rod S is 60 degree of V-type threads, best steel wire diameter d approximates the pitch P of 0.5774 times.Then, from a whole set of survey instrument, find out two three wire gauges 9a, 9b meeting numerical value according to this best steel wire diameter d, one of them three wire gauge 9a has two steel wires 91, and another three wire gauge 9b then has a steel wire 91.Continue and these two three wire gauges 9a, 9b are assembled on a mircrometer gauge (figure does not illustrate), again this tested screw rod S is located between these two three wire gauges 9a, 9b, adjust this mircrometer gauge is firmly connected to this screw rod S flank of thread by these three steel wires 91, then read measured value M.Finally this measured value M is substituted into corresponding formula to calculate the externally threaded effective diameter D of this screw rod S; Such as, D=M+0.866025P-3d.
But to arrange in pairs or groups mircrometer gauge by three wire gauges 9, though actually can record the externally threaded effective diameter value of screw rod S, operation steps is numerous and diverse, new hand's study is not easily difficult to left-hand seat; And have in assembling or measuring process many people for judging whether to install, whether contraposition, the action such as whether to clamp, as long as slightly deviation, capital affects the accuracy of measurement result, and for the screw rod S needing high precision, this existing screw rod pick-up unit is real to be difficult to be suitable for.Again and, this existing screw rod pick-up unit still cannot learn whether the external thread of screw rod S has eccentricity issues, and its degree of eccentricity is how many.
In view of this, existing screw rod pick-up unit still has the necessity improved really.
Utility model content
The utility model provides a kind of screw rod pick-up unit, not only in order to detect the effective diameter size of external thread of screw, can also detect the externally threaded degree of eccentricity of screw rod.
The utility model provides a kind of screw rod pick-up unit, is not only easy to operation, and it is high to detect degree of accuracy, and the screw rod that can be applicable to have high precision requirement detects.
Screw rod pick-up unit of the present utility model, comprises: a base; One self-clamping module, this self-clamping module has the pedestal be located on this base, and two revolving parts be located on this pedestal and a driven unit, this driven unit connects this two revolving part, and to drive this two revolving part to rotate, a press arm is articulated in this pedestal, one pinch roller rotatably connects this press arm, the axis being axially parallel to this two revolving part of this pinch roller, the ring side face of this pinch roller is relative with the ring side face of this two revolving part, and the ring side face of this two revolving part is respectively equipped with a threaded portion; And a measurement module, this measurement module has a supporting seat and a measuring appliance, and this supporting seat is located on this base, and this measuring appliance is located on this supporting seat, one detection head telescopically connects this measuring appliance, and the free end of this detection head is towards the threaded portion of this two revolving part.
Wherein, the threaded portion of this two revolving part and the free end of this detection head meet the externally threaded thread specification of screw rod for detecting.Again, the free end of this detection head can be the kenel of single thread.
Wherein, this measuring appliance can comprise an outer tube, an extension stem and a display element, and this extension stem is extended through the inside of this outer tube, and one end of this extension stem protrudes out and passes this outer tube and be provided with a location division, and this detection head is combined in this location division; This display element connects this outer tube, and this display element has a display part and an extensible member, and this display part is exposed outside this outer tube, and this extensible member is extended through the inside of this outer tube and is abutted by the other end of this extension stem.
Wherein, one end of this outer tube is provided with a joint portion and a lid, and this lid is removably incorporated into this joint portion.
Wherein, a perforation axially runs through this lid, and this display element has a blocking part, and one end of this blocking part connects this display part, and this extensible member telescopically protrudes out the other end passing this blocking part, and the connection of this blocking part is positioned this perforation.
Wherein, the inside of this outer tube forms a shoulder with difference in internal diameters between two ends, and the inside of this outer tube is divided into Yi great Jing district and a path district according to this shoulder, and this great Jing district is this path district this lid contiguous comparatively; This extension stem has a pitman, a stop section and a support rod, and this stop section is connected between this pitman and this support rod, and the footpath that the footpath of this stop section is wider than this pitman and this support rod is wide, and this pitman one end away from this stop section is located in this location division; This pitman is stretched through this path district, and the local of this pitman protrudes out and passes this outer tube, and make this location division exposed outside this outer tube, this support rod is extended through this great Jing district, and this support rod abuts the extensible member of this display element away from one end of this stop section.
Wherein, this measuring appliance is provided with an elastic component, and this elastic component is set in the periphery of this support rod, and one end of this elastic component abuts the stop section of this extension stem, and the other end abuts this lid.
Wherein, the measuring appliance of this measurement module is located in adjustable height on this supporting seat.
Wherein, this base can have an installation surface, and this self-clamping module and this measurement module are assembled directly or indirectly and be positioned this installation surface.Again, this installation surface can be provided with a translation assembly, the supporting seat assembling of the pedestal of this self-clamping module or this measurement module is positioned this translation assembly.
Wherein, two ends of this press arm are respectively a binding end and a press-side, and this pinch roller is rotatably located at the binding end of this press arm, can be provided with an articulated section between the binding end of this press arm and press-side, and this press arm is by this this pedestal of articulated section pivot joint.Again, this self-clamping module can have a reposition element, and this reposition element is located in this pedestal, and one end of this reposition element is connected to the below of this press arm, and this reposition element is between the articulated section and press-side of this press arm.
Wherein, this driven unit can have a rolling disc and two moving parts, and this rolling disc rotatably connects this pedestal, and wherein a moving part connects one end of this rolling disc and a wherein revolving part, and another moving part connects one end of this rolling disc and another revolving part.
Accordingly, screw rod pick-up unit of the present utility model, not only in order to detect the effective diameter size of external thread of screw, can also detect the axle center degree of eccentricity of screw rod.Moreover screw rod pick-up unit of the present utility model is not only easy to operation, and decreases the factor of artificial error in judgement in testing process, can promote detection degree of accuracy, therefore the screw rod that can be applicable to have high precision requirement detects.
Accompanying drawing explanation
Fig. 1: use a kind of existing three wire gauges to measure the schematic diagram of the effective diameter of external thread of screw.
Fig. 2: the perspective view of the utility model one embodiment.
Fig. 3: the stereo decomposing structural representation of the measuring appliance that the utility model uses.
Fig. 4: the utility model one embodiment inserts enforcement schematic diagram during master screw.
Fig. 5: the utility model engages for master screw with two revolving parts, and by side-looking structural representation during pinch roller abutting master screw.
Fig. 6: the utility model is with side-looking structural representation during detection head abutting master screw.
Fig. 7: the utility model one embodiment inserts the enforcement schematic diagram during screw rod for detecting.
Fig. 8: when the utility model abuts the screw rod for detecting with detection head, structural representation is cutd open in the side of this measuring appliance.
The partial enlargement structural representation of Fig. 9: Fig. 8.
[main element symbol description]
This Shi of ﹝ Xin Xing ﹞
1 base 11 installation surface
12 translation assemblies
2 self-clamping module 21 pedestals
22 revolving part 221 threaded portions
23 driven units
231 rolling disc 232 moving parts
24 press arm 24a binding ends
24b press-side 241 articulated section
25 pinch roller 26 reposition elements
3 measurement module 31 supporting seats
32 measuring appliance 321 outer tubes
3211 joint portion 3212 lids
3213 shoulder 3214 great Jing districts
Bore a hole in 3215 path districts 3216
322 extension stem 3221 location divisions
3222 pitman 3223 stop sections
3224 support rod 323 display elements
3231 display part 3232 extensible members
3233 blocking part 324 elastic components
A master screw H detection head
S screw rod
﹝ Xian You Ji Shu ﹞
9,9a, 9b tri-wire gauge 91 steel wire
D steel wire diameter D effective diameter
M measured value P pitch
S screw rod.
Embodiment
For above-mentioned and other object of the present utility model, feature and advantage can be become apparent, preferred embodiment of the present utility model cited below particularly, and coordinate institute's accompanying drawings, be described in detail below:
Please refer to Fig. 2, it is an embodiment of the utility model screw rod pick-up unit, and this screw rod pick-up unit comprises base 1, self-clamping module 2 and a measurement module 3 haply, and this self-clamping module 2 and this measurement module 3 are located at this base 1.
The kenel of this base 1 is not limit, and carries this component such as self-clamping module 2 and this measurement module 3 for principle taking advantage of.This base 1 has an installation surface 11, and this installation surface 11 can assemble location directly or indirectly for this self-clamping module 2 and this measurement module 3.Again, the installation surface 11 of this base 1 can be provided with a translation assembly 12, this translation assembly 12 can assemble location for this self-clamping module 2 or this measurement module 3, to pass through this translation assembly 12 of adjustment, change spacing or the relative position of this self-clamping module 2 and this measurement module 3, be applicable to different measurement demands.For example, this translation assembly 12 can be such as the slide rail that is stacked of array and slide block structure, or as shown in the figure, a plate body arranges the elongated hole of different directions, and collocation lock member adjusts spacing or the relative position of this self-clamping module 2 and this measurement module 3.
Please refer to Fig. 2,4, this self-clamping module 2 has the pedestal 21 be located on this base 1, this pedestal 21 can assemble be positioned at this base 1 installation surface 11 or translation assembly 12 on.This self-clamping module 2 separately comprises two revolving part 22 and the driven units 23 be located on this pedestal 21, and this driven unit 23 connects this two revolving part 22, rotates to drive this two revolving part 22.In the present embodiment, the axis of this two revolving part 22 is parallel, and this two revolving part 22 is erected on this pedestal 21 at intervals; Respectively the ring side face of this revolving part 22 is provided with a threaded portion 221 at the position of this measurement module 3 comparatively contiguous, and the thread specification of this threaded portion 221 meets the externally threaded thread specification of institute for the screw rod S of detection, and this screw rod S can be engaged with this two revolving part 22.
This driven unit 23 comprises rolling disc 231 and two moving parts 232, and this rolling disc 231 rotatably connects this pedestal 21, and this two moving part 232 can be such as belt or chain; Wherein a moving part 232 connects one end of this rolling disc 231 and a wherein revolving part 22, and another moving part 232 connects one end of this rolling disc 231 and another revolving part 22.Accordingly, user can rotate by this rolling disc 231 of manipulation, and then produces rotation in the same way by this this two revolving part 22 of two moving part 232 interlock simultaneously, this screw rod S engaged can be produced rotate and axial displacement with this two revolving part 22.
This self-clamping module 2 also comprises press arm 24 and a pinch roller 25, this press arm 24 is articulated in this pedestal 21, this pinch roller 25 rotatably connects this press arm 24, the axis being axially parallel to this two revolving part 22 of this pinch roller 25, and the ring side face of this pinch roller 25 is relative with the ring side face of this two revolving part 22, to be supported this screw rod S engaged with this two revolving part 22 by this pinch roller 25, guarantee that this screw rod S can not come off from this two revolving part 22.Concrete, two ends of this press arm 24 are respectively an a binding end 24a and press-side 24b, this pinch roller 25 is rotatably located at the binding end 24a of this press arm 24, separately be provided with an articulated section 241 between the binding end 24a of this press arm 24 and press-side 24b, this press arm 24 is by this pedestal 21 of this articulated section 241 pivot joint.
Again, for convenience during lifting operation, the self-clamping module 2 of the present embodiment separately can be provided with a reposition element 26, this reposition element 26 is located in this pedestal 21, one end of this reposition element 26 is connected to the below of this press arm 24, and this reposition element 26 is between the articulated section 241 and press-side 24b of this press arm 24.Accordingly, when user presses the press-side 24b of this press arm 24, this press arm 24 produces pivotable relative to this pedestal 21, and the binding end 24a of this press arm 24 is tilted (as shown in Figure 4) relatively, meanwhile, this reposition element 26 can be compressed and produce elastic deformation; And user is when decontroling this press arm 24, this reposition element 26 can elastic reset, and then pushes against this press arm 24 oppositely pivotable, makes two ends of this press arm 24 all automatically return to initial position when not being pressed.
This measurement module 3 is located on this base 1, this measurement module 3 has supporting seat 31 and a measuring appliance 32, this supporting seat 31 can assemble be positioned at this base 1 installation surface 11 or translation assembly 12 on, 32 assemblings of this measuring appliance are positioned on this supporting seat 31, one detection head H telescopically connects this measuring appliance 32, to be measured the displacement of this detection head H by this measuring appliance 32; The free end of this detection head H is towards the threaded portion 221 of this two revolving part 22.
Please refer to Fig. 3,8, this measuring appliance 32 comprises outer tube 321, extension stem 322 and a display element 323.This extension stem 322 can be extended through the inside of this outer tube 321 axially, and one end of this extension stem 322 protrudes out and passes this outer tube 321 and be provided with a location division 3221, and this detection head H is combined in this location division 3221.This display element 323 connects this outer tube 321, this display element 323 has display part 3231 and an extensible member 3232, this display part 3231 is exposed outside this outer tube 321, and this extensible member 3232 is extended through the inside of this outer tube 321 and is abutted by the other end of this extension stem 322.Accordingly, when this detection head H is pushed against, this extension stem 322 can synchronous this extensible member 3232 of interlock, thus is shown the displacement of this detection head H by this display part 3231.
In the present embodiment, one end of this outer tube 321 is provided with joint portion 3211 and a lid 3212, the inside of this outer tube 321 forms a shoulder 3213 with difference in internal diameters between two ends, and Yi great Jing district 3214 and a path district 3215 are divided into according to this shoulder 3211 in the inside of this outer tube 321, this great Jing district 3214 is this path district 3215 this lid 3212 contiguous comparatively.One perforation 3216 axially runs through this lid 3212, and this perforation 3216 is communicated with the great Jing district 3214 of this outer tube 321 inside.This display element 323 separately has a blocking part 3233, and one end of this blocking part 3233 connects this display part 3231, and this extensible member 3232 telescopically protrudes out the other end passing this blocking part 3233, and the connection of this blocking part 3233 is positioned this perforation 3212.
This extension stem 322 has pitman 3222, stop section 3223 and a support rod 3224, this stop section 3223 is connected between this pitman 3222 and this support rod 3224, the footpath that the footpath of this stop section 3223 is wider than this pitman 3222 and this support rod 3224 is wide, and this pitman 3222 one end away from this stop section 3223 is located in this location division 3221.This pitman 3222 is stretched through the path district 3215 of this outer tube 321 inside, and the local of this pitman 3222 protrudes out and passes this outer tube 321, make this location division 3221 exposed outside this outer tube 321, this support rod 3224 is extended through the great Jing district 3214 of this outer tube 321 inside, and this support rod 3224 abuts the extensible member 3232 of this display element 323 away from one end of this stop section 3223.
This measuring appliance 32 also separately can comprise an elastic component 324, this elastic component 324 is set in the periphery of this support rod 3224, one end of this elastic component 324 abuts the stop section 3223 of this extension stem 322, the other end then abuts this lid 3212, is connected to shoulder 3213 in this outer tube 321 to be pushed against this stop section 3223 by this elastic component 324.
According to by aforementioned structure, the utility model in order to detect the externally threaded effective diameter size of screw rod S, and can detect the axle center degree of eccentricity of screw rod S; This screw rod detection method comprises following steps:
Please refer to Fig. 4, according to institute for the thread specification of screw rod S detected, select a master screw A and a screw rod pick-up unit, and this screw rod pick-up unit has two revolving parts 22 meeting this thread specification and the detection head H being combined in measuring appliance 32.Wherein, the free end of this detection head H can be the kenel of single thread or many threads, engaging as principle with the master screw A of corresponding thread specification; Again, select to make the free end of this detection head H be single thread kenel, each thread of tested screw rod S can be detected one by one, there is preferably accuracy of measurement.
Then, user can press the press arm 24 of this self-clamping module 2, makes this press arm 24 pivotable, makes its binding end 24a relatively tilt, and to be inserted between this pinch roller 25 and this two revolving part 22 by this master screw A, this master screw A is engaged with this two revolving part 22.
Please refer to Fig. 5, continuous decontrol this press arm 24, two ends of this press arm 24 are all automatically returned to initial position when not being pressed by this reposition element 26.Now, the external thread of this master screw A engages with this two revolving part 22, and the externally threaded Luo Feng of this master screw A is then firmly abutted by the ring side face of this pinch roller 25.
Please refer to Fig. 6,8, adjust the position of this measuring appliance 32, make the free end of this detection head H can stretch into the external thread gap of this master screw A, until the free end telescopically of this detection head H abuts the flank of thread of this master screw A, and by the numerical value zero shown by the display part 3231 of this display element 323.
Then, again as shown in Figure 5, adjust the position of this measuring appliance 32, make this measuring appliance 32 relative to this supporting seat 31 after top offset one predeterminable range, as shown in Figure 7, again press the press arm 24 of this self-clamping module 2, make this press arm 24 pivotable, its binding end 24a is tilted relatively, to take off this master screw A, again by for detect screw rod S insert between this pinch roller 25 and this two revolving part 22, this screw rod S is engaged with this two revolving part 22, make this measuring appliance 32 again relative to this supporting seat 31 to the aforesaid predeterminable range of bottom offset, and read the measured value shown by display part 3231 of this display element 323.
Namely, please refer to Fig. 9, this measured value shown by display part 3231 is this screw rod S and this master screw A(is shown in Fig. 6) externally threaded effective diameter poor, as long as whether this effective diameter difference of user's interpretation is in margin tolerance, can detect the externally threaded effective diameter size of screw rod S, and whether the externally threaded effective diameter size judging this screw rod S is according to this certified products.
Continuous referring again to Fig. 2,9, user can rotate by this rolling disc 231 of manipulation, and then produce rotation in the same way by this this two revolving part 22 of two moving part 232 interlock simultaneously, make this pinch roller 25 and this screw rod S also synchronous rotary, the telescopic displacement state of this detection head H is detected, to record the axle center degree of eccentricity of this screw rod S by this measuring appliance 32.
Concrete, if the axle center of this screw rod S there is no eccentric phenomena, then in the process that this screw rod S rotates a circle, the distance in this detection head H to this screw rod S axle center should remain unchanged, therefore the measured value shown by display part 3231 of this display element 323 also should remain unchanged.Relatively, if there is eccentric phenomena in the axle center of this screw rod S, in the process then rotated a circle at this screw rod S, the distance in this detection head H to this screw rod S axle center changes, and the elastic component 324 of this measuring appliance 32 pushes against the helicoid that this extension stem 322 makes this screw rod of this detection head H maintenance abutting S, therefore the measured value shown by display part 3231 of this display element 323 will change to some extent, and the axle center degree of eccentricity of this screw rod S can be learnt by the difference conversion of this change.
In sum, screw rod pick-up unit of the present utility model, not only in order to detect the effective diameter size of external thread of screw, can also detect the external thread axle center degree of eccentricity of screw rod.Accordingly, the utility model can reach following advantages:
One, can manufacture in the process of a large amount of screw rod continuously, random sampling at any time detects, directly to learn whether the running of tooth machining unit has problems, and whether reached need repair problem immediately opportunity (such as in order to whether the tapping cutter of screw rod tapping has been worn up to need change, or whether the deflection degree of tapping cutter is still in admissible scope etc.), help the yield of improving product.
Two, due to the utility model can definitely learn screw rod by measured value, therefore when tooth machining unit drives the deflection degree during running of tapping cutter cannot be adjusted to ideal value, this then can be utilized to calculate by measured value, suitable to select in multiple tapping cutter rapidly, thus process the screw rod with qualified size by this suitable tapping cutter.
Three, the utility model can via measuring the forward and backward screw rod of the processing such as thermal treatment or plating, simply and detect heat treated deflection rapidly or whether electroplating film thickness is desirable.
Therefore the utility model is except carrying out except specification inspection to screw rod finished product, can also in the whole processing procedure of screw rod, inspect the forward and backward semi-manufacture of particular process step at any time by random samples, and datumization testing result, can help to get rid of the problem in processing procedure fast, practicality is splendid.
Moreover screw rod pick-up unit of the present utility model, is not only easy to operation, and decreases the factor of artificial error in judgement in testing process, can promote detection degree of accuracy, therefore the screw rod that can be applicable to have high precision requirement detects.

Claims (14)

1. a screw rod pick-up unit, is characterized in that, it comprises:
A base;
A self-clamping module, this self-clamping module has the pedestal be located on this base, and two revolving parts be located on this pedestal and a driven unit, this driven unit connects this two revolving parts, rotate to drive these two revolving parts, a press arm is articulated in this pedestal, a pinch roller rotatably connects this press arm, the axis being axially parallel to these two revolving parts of this pinch roller, the ring side face of this pinch roller is relative with the ring side face of these two revolving parts, and the ring side face of these two revolving parts is respectively equipped with a threaded portion; And
A measurement module, this measurement module has a supporting seat and a measuring appliance, and this supporting seat is located on this base, and this measuring appliance is located on this supporting seat, a detection head telescopically connects this measuring appliance, and the free end of this detection head is towards the threaded portion of these two revolving parts.
2. screw rod pick-up unit as claimed in claim 1, is characterized in that: the threaded portion of these two revolving parts and the free end of this detection head meet the externally threaded thread specification of institute for the screw rod of detection.
3. screw rod pick-up unit as claimed in claim 2, is characterized in that: the free end of this detection head is the kenel of single thread.
4. screw rod pick-up unit as claimed in claim 1, it is characterized in that: this measuring appliance comprises an outer tube, an extension stem and a display element, this extension stem is extended through the inside of this outer tube, one end of this extension stem protrudes out and passes this outer tube and be provided with a location division, and this detection head is combined in this location division; This display element connects this outer tube, and this display element has a display part and an extensible member, and this display part is exposed outside this outer tube, and this extensible member is extended through the inside of this outer tube and is abutted by the other end of this extension stem.
5. screw rod pick-up unit as claimed in claim 4, is characterized in that: one end of this outer tube is provided with a joint portion and a lid, and this lid is removably incorporated into this joint portion.
6. screw rod pick-up unit as claimed in claim 5, it is characterized in that: a perforation axially runs through this lid, this display element has a blocking part, one end of this blocking part connects this display part, this extensible member telescopically protrudes out the other end passing this blocking part, and the connection of this blocking part is positioned this perforation.
7. screw rod pick-up unit as claimed in claim 5, it is characterized in that: the inside of this outer tube forms a shoulder with difference in internal diameters between two ends, the inside of this outer tube is divided into a Ge great Jing district and a path district according to this shoulder, and this great Jing district is this path district this lid contiguous comparatively; This extension stem has a pitman, a stop section and a support rod, this stop section is connected between this pitman and this support rod, the footpath that the footpath of this stop section is wider than this pitman and this support rod is wide, and this pitman one end away from this stop section is located in this location division; This pitman is stretched through this path district, and the local of this pitman protrudes out and passes this outer tube, and make this location division exposed outside this outer tube, this support rod is extended through this great Jing district, and this support rod abuts the extensible member of this display element away from one end of this stop section.
8. screw rod pick-up unit as claimed in claim 7, it is characterized in that: this measuring appliance is provided with an elastic component, and this elastic component is set in the periphery of this support rod, one end of this elastic component abuts the stop section of this extension stem, and the other end abuts this lid.
9. the screw rod pick-up unit according to any one of claim 1 to 8, is characterized in that: the measuring appliance of this measurement module is located in adjustable height on this supporting seat.
10. the screw rod pick-up unit according to any one of claim 1 to 8, is characterized in that: this base has an installation surface, and this self-clamping module and this measurement module are assembled directly or indirectly and be positioned this installation surface.
11. screw rod pick-up units as claimed in claim 10, is characterized in that: this installation surface is provided with a translation assembly, and the supporting seat assembling of the pedestal of this self-clamping module or this measurement module is positioned this translation assembly.
12. screw rod pick-up units according to any one of claim 1 to 8, it is characterized in that: two ends of this press arm are respectively a binding end and a press-side, this pinch roller is rotatably located at the binding end of this press arm, be provided with an articulated section between the binding end of this press arm and press-side, this press arm is by this this pedestal of articulated section pivot joint.
13. screw rod pick-up units as claimed in claim 12, it is characterized in that: this self-clamping module has a reposition element, this reposition element is located in this pedestal, and one end of this reposition element is connected to the below of this press arm, and this reposition element is between the articulated section and press-side of this press arm.
14. screw rod pick-up units according to any one of claim 1 to 8, it is characterized in that: this driven unit has a rolling disc and two moving parts, this rolling disc rotatably connects this pedestal, one of them moving part connects one end of this rolling disc and one of them revolving part, and another moving part connects one end of this rolling disc and another revolving part.
CN201520433115.XU 2015-06-23 2015-06-23 Screw rod detection device Expired - Fee Related CN204988228U (en)

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Application Number Priority Date Filing Date Title
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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323216A (en) * 2015-06-23 2017-01-11 诠丰精密工具股份有限公司 Screw detection device and method
CN108827619A (en) * 2018-07-27 2018-11-16 宁波江宸智能装备股份有限公司 A kind of bolt detection device of bolt pressing machine

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106323216A (en) * 2015-06-23 2017-01-11 诠丰精密工具股份有限公司 Screw detection device and method
CN108827619A (en) * 2018-07-27 2018-11-16 宁波江宸智能装备股份有限公司 A kind of bolt detection device of bolt pressing machine
CN108827619B (en) * 2018-07-27 2024-04-09 宁波江宸智能装备股份有限公司 Bolt detection equipment of bolt press-fitting machine

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