CN109482513A - Accurate thread detection device based on mechanics induction - Google Patents
Accurate thread detection device based on mechanics induction Download PDFInfo
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- CN109482513A CN109482513A CN201811297820.6A CN201811297820A CN109482513A CN 109482513 A CN109482513 A CN 109482513A CN 201811297820 A CN201811297820 A CN 201811297820A CN 109482513 A CN109482513 A CN 109482513A
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- 238000001514 detection method Methods 0.000 title claims abstract description 161
- 230000006698 induction Effects 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 160
- 238000007599 discharging Methods 0.000 claims abstract description 43
- 238000006073 displacement reaction Methods 0.000 claims description 38
- 230000005540 biological transmission Effects 0.000 claims description 28
- 230000009471 action Effects 0.000 claims description 26
- 238000007689 inspection Methods 0.000 claims description 11
- 230000004044 response Effects 0.000 claims description 2
- 230000002950 deficient Effects 0.000 description 13
- 230000033001 locomotion Effects 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 230000000007 visual effect Effects 0.000 description 1
Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/34—Sorting according to other particular properties
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/02—Measures preceding sorting, e.g. arranging articles in a stream orientating
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B07—SEPARATING SOLIDS FROM SOLIDS; SORTING
- B07C—POSTAL SORTING; SORTING INDIVIDUAL ARTICLES, OR BULK MATERIAL FIT TO BE SORTED PIECE-MEAL, e.g. BY PICKING
- B07C5/00—Sorting according to a characteristic or feature of the articles or material being sorted, e.g. by control effected by devices which detect or measure such characteristic or feature; Sorting by manually actuated devices, e.g. switches
- B07C5/36—Sorting apparatus characterised by the means used for distribution
- B07C5/361—Processing or control devices therefor, e.g. escort memory
- B07C5/362—Separating or distributor mechanisms
Landscapes
- Branching, Merging, And Special Transfer Between Conveyors (AREA)
- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The present invention provides a kind of accurate thread detection devices based on mechanics induction, and whether the screw thread for detecting materials and parts is qualified, including feeding machanism, feeding mechanism, testing agency and shedding mechanism；Feeding machanism includes for material position, and feeding machanism is for being placed on materials and parts for material position；Feeding mechanism is for transporting materials and parts；Testing agency is for detecting the screw thread of materials and parts；Shedding mechanism is used to the materials and parts through detecting carrying out classification discharging.This can be realized the automatic detection operation to the screw thread of materials and parts, without human intervention and detection efficiency can be obviously improved, reduce testing cost, detection accuracy can also be promoted simultaneously, in addition the cooperation of the feeding mechanism and shedding mechanism of detection device realizes the classification discharging of the precise and high efficiency of qualified product and rejected product, and the reliability and stability of detection device entirety are higher.
Description
Technical Field
The invention relates to an automation device, in particular to a precise thread detection device based on mechanical induction.
Background
In the prior art, machine vision is popular in recent years to realize the detection of threads, the detection speed is high, but in the visual detection process, a camera cannot photograph all surfaces of a bolt, the detection dead angle exists, and the detection accuracy is low.
Therefore, it is necessary to provide a new precision thread detecting device based on mechanical induction to solve the above problems.
Disclosure of Invention
The invention provides accurate and automatic precise thread detection equipment based on mechanical induction.
One embodiment of the present invention provides a precision thread detection device based on mechanical induction, which is used for detecting whether a thread of a material part is qualified, and includes: the device comprises a feeding mechanism, a detection mechanism and a discharging mechanism; the feeding mechanism comprises a material feeding position, and is used for placing the material piece on the material feeding position; the feeding mechanism is used for conveying the material parts; the detection mechanism is used for detecting the threads of the material part; the discharging mechanism is used for discharging the detected material pieces in a classified mode.
Preferably, the detection mechanism comprises a detection position, and the discharge mechanism comprises an unqualified product discharge chute and a qualified product discharge chute; the feeding mechanism is used for conveying the material parts to the detection position from the material supply position, and the feeding mechanism is also used for conveying the material parts which are detected to be unqualified by the detection mechanism to the unqualified product discharge chute and conveying the material parts which are detected to be qualified by the detection mechanism to the qualified product discharge chute.
Preferably, the detection mechanism comprises a first detection mechanism and a second detection mechanism; the first detection mechanism comprises a first detection position, and the second detection mechanism comprises a second detection position; the first detection mechanism comprises a go gauge, and the second detection mechanism comprises a no-go gauge; the discharging mechanism comprises a first unqualified product discharging groove, a second unqualified product discharging groove and a qualified product discharging groove; the feeding mechanism is used for conveying the material piece from the material supply position to the first detection position; the feeding mechanism is also used for conveying the unqualified material pieces detected by the first detection mechanism to the first unqualified product discharge chute and conveying the qualified material pieces detected by the first detection mechanism to the second detection position; the feeding mechanism is also used for conveying unqualified materials detected by the second detection mechanism to the second unqualified product discharge chute, and conveying qualified materials detected by the second detection mechanism to the qualified product discharge chute.
Preferably, under the action of a first preset torque T1, the thread of the material piece completely passes through the go gauge, and the material piece is detected to be qualified by the first detection mechanism, otherwise, the material piece is not qualified; under the action of a second preset torque T2, the thread of the material piece can be screwed into the no-go gauge for at most two circles, and then the material piece cannot be screwed into the no-go gauge continuously, and the material piece is detected to be qualified by the second detection mechanism, otherwise, the material piece is not qualified.
Preferably, feeding mechanism includes linear feed guide rail, straight line feeder, feed cylinder, feed slide rail, feed balladeur train, the straight line feeder is used for making material in the linear feed guide rail orientation the tail end motion of linear feed guide rail, the material level that supplies sets up on the feed balladeur train, the feed balladeur train can for the feed slide rail slides between first feed position and second feed position.
Preferably, the feeding mechanism comprises a transverse slide rail, a transverse driving cylinder and a transverse carriage, the transverse driving cylinder can drive the transverse carriage to transversely slide along the transverse slide rail between a first feeding position and a second feeding position, the feeding mechanism also comprises a first feeding component, a second feeding component and a third feeding component which are arranged on the transverse sliding frame at intervals, when the transverse carriage slides between the first feed position and the second feed position, the first feeding component slides between the position above the material supply position and the position above the first detection position, the second feeding component slides between the position above the first detection position and the position above the second detection position, the third feeding assembly slides between the position above the second detection position and the position above the qualified product discharge chute.
Preferably, the first feeding assembly comprises a first longitudinal feeding cylinder, a first longitudinal feeding slide rail, a first longitudinal feeding carriage and a first clamping jaw assembly, and the first longitudinal feeding cylinder is used for driving the first longitudinal feeding carriage to slide longitudinally along the first longitudinal feeding slide rail; the second feeding assembly comprises a second longitudinal feeding cylinder, a second longitudinal feeding slide rail, a second longitudinal feeding sliding frame and a second clamping jaw assembly, and the second longitudinal feeding cylinder is used for driving the second longitudinal feeding sliding frame to longitudinally slide along the second longitudinal feeding slide rail; the third feeding assembly comprises a third longitudinal feeding cylinder, a third longitudinal feeding slide rail, a third longitudinal feeding sliding frame and a third clamping jaw assembly, and the third longitudinal feeding cylinder is used for driving the third longitudinal feeding sliding frame to longitudinally slide along the third longitudinal feeding slide rail.
Preferably, the first clamping jaw assembly comprises a first clamping jaw and a first clamping jaw air cylinder, the first clamping jaw comprises two first clamping jaw arms, and the first clamping jaw air cylinder is used for driving the two first clamping jaw arms to move relatively or oppositely so as to clamp or release the material part; the second clamping jaw assembly comprises a second clamping jaw and a second clamping jaw air cylinder, the second clamping jaw comprises two second clamping jaw arms, and the second clamping jaw air cylinder is used for driving the two second clamping jaw arms to move relatively or move oppositely to clamp or loosen the material; the third clamping jaw assembly comprises a third clamping jaw and a third clamping jaw air cylinder, the third clamping jaw comprises two third clamping jaw arms, and the third clamping jaw air cylinder is used for driving the two third clamping jaw arms to move relatively or move back to back so as to clamp or loosen the material piece.
Preferably, the precision thread detection device based on mechanical induction comprises a table top; the first detection mechanism comprises a first material carrying platform, a first torque transmission rod, a first torque sensor and a first torque motor, the first material carrying platform is connected to the table board through a first flexible assembly, the first detection position is located on the first material carrying platform, the first flexible assembly comprises a first spring, a first sleeve and a first guide pillar, one end of the first guide pillar is fixed to the first material carrying platform, the first sleeve is fixed to the table board, the first spring is sleeved on the first guide pillar and located between the first material carrying platform and the first sleeve, the other end of the first guide pillar penetrates through the table board and can move longitudinally relative to the table board, the go gauge is fixedly arranged at the top of the first torque transmission rod and located below the first detection position, and the first torque motor applies a first force to the first torque transmission rod through the first torque sensor A preset torque T1; the second detection mechanism comprises a second material carrying platform, a second torque transmission rod, a second torque sensor and a second torque motor, the second material carrying platform is connected to the table board through a second flexible assembly, the second detection position is located on the second material carrying platform, the second flexible assembly comprises a second spring, a second sleeve and a second guide pillar, one end of the second guide pillar is fixed to the second material carrying platform, the second sleeve is fixed to the table board, the second spring is sleeved on the second guide pillar and located between the second material carrying platform and the second sleeve, the other end of the second guide pillar penetrates through the table board and can move longitudinally relative to the table board, the stop gauge is fixedly arranged at the top of the second torque transmission rod and located below the second detection position, and the second torque motor applies a second torque to the second torque transmission rod through the second torque sensor The preset torque T2.
Preferably, the first detection mechanism further includes a first rope displacement sensor, the first torque transmission rod, the first torque sensor, the first torque motor and the first rope displacement sensor are relatively fixed in the longitudinal direction with respect to the table top, a rope of the first rope displacement sensor is fixed to the other end of the first guide pillar, and the first rope displacement sensor senses the displacement of the first guide pillar to determine whether the thread of the material piece completely passes through the through gauge; the second detection mechanism further comprises a second pull rope displacement sensor, the second torque transmission rod, the second torque sensor, the second torque motor and the second pull rope displacement sensor are relatively fixed relative to the table board in the longitudinal direction, a pull rope of the second pull rope displacement sensor is fixed to the other end of the second guide pillar, and the second pull rope displacement sensor senses the displacement of the second guide pillar to judge whether the screw thread of the material part is screwed into the stop gauge for more than two turns.
Compared with the prior art, the precise thread detection equipment based on mechanical induction provided by some embodiments of the invention can realize automatic detection operation of threads of a material part, does not need manual operation, can obviously improve detection efficiency, reduces detection cost, and can improve detection precision. The precision thread detection equipment based on mechanical induction provided by some embodiments of the invention can also realize that at most 6 pieces are simultaneously detected and classified for discharging, and the efficiency of detecting and classifying for discharging is very high.
Drawings
FIG. 1 is a perspective view of a precision thread inspection apparatus based on mechanical induction according to an embodiment of the present invention;
FIG. 2 is a perspective view of the precise thread detection device based on mechanical induction shown in FIG. 1 after a box body is hidden;
FIG. 3 is a partial enlarged view of a precision thread inspection apparatus based on mechanical induction according to an embodiment of the present invention;
FIG. 4 is a perspective view of a feeding mechanism of a precision thread detecting device based on mechanical induction according to an embodiment of the present invention;
FIG. 5 is a perspective view of a detection mechanism of a precision thread detection device based on mechanical induction according to an embodiment of the present invention;
FIG. 6 is a cross-sectional view of the detection mechanism shown in FIG. 5;
FIG. 7 is a perspective view of a discharging mechanism of a precision thread detecting device based on mechanical induction according to an embodiment of the present invention;
FIG. 8 is a top view of a mechanical induction based precision thread inspection apparatus hiding box according to an embodiment of the present invention.
Wherein,
1. essence based on mechanical induction
Dense thread detection equipment
10. Feeding mechanism 101, feeding position 103 and linear feeding guide rail
104. Linear feeder 105, feeding cylinder 107, and feeding slide rail
109. A feeding slide rail 111, a first baffle 113 and a second baffle
20. Feeding mechanism 201, transverse slide rail 203 and transverse driving cylinder
205. Transverse sliding frame 207, bracket 209a and first feeding assembly
209c, a second feeding component 209b and a third feeding component
211a, a first longitudinal feeding cylinder 211b and a second longitudinal feeding cylinder
211c, a third longitudinal feeding cylinder 213a, a first longitudinal feeding slide rail
213b, a second longitudinal feeding slide rail 213c, a third longitudinal feeding slide rail
215a, a first longitudinal feed carriage 215b, a second longitudinal feed carriage
215c, a third longitudinal feed carriage 217a, a first jaw assembly
217b, second jaw assembly 217c, third jaw assembly 219a, first jaw
219b, a second clamping jaw 219c, a third clamping jaw 221a and a first clamping jaw cylinder
221b, a second clamping jaw cylinder 221c and a third clamping jaw cylinder
30a, a first detection mechanism 30b, a second detection mechanism 301a, and a first detection position
301b, a second detection bit 303a, a go gauge 303b, and a no-go gauge
305a, a first material loading platform 305b and a second material loading platform
307a, a first torque transmission rod 307b, a second torque transmission rod
309a, a first torque sensor 309b, a second torque sensor
311a, a first torque motor 311b, and a second torque motor
313a, a first jaw avoidance slot 313b, a second jaw avoidance slot
315a, a first spring 315b, a second spring 317a, a first sleeve
317b, a second sleeve 319a, a first guide post 319b, a second guide post
321a, a first rope displacement sensor 321b, and a second rope displacement sensor
40a, a first discharging mechanism 40b, a second discharging mechanism 40c and a qualified product discharging mechanism
401a, a first defective discharge chute 401b, a second defective discharge chute
401c, a qualified product discharge chute 403a, a first discharge cylinder 403b and a second discharge cylinder
405a, a first discharge slide rail 405b, a second discharge slide rail 407a, a first discharge carriage
407b, a second discharging carriage 407c and a qualified product discharging bracket
50. Case 60, table 90 and material
Detailed Description
The present invention will be described in detail below with reference to specific embodiments shown in the drawings of the specification. These embodiments are not intended to limit the present invention, and simple modifications made by those skilled in the art according to these embodiments are included in the scope of the present invention.
Referring to fig. 1 and 2, in some embodiments of the present application, a precision thread inspection apparatus 1 based on mechanical sensing is provided. The precise thread detection equipment 1 based on mechanical induction is used for detecting whether the threads of the material part 90 are qualified or not. The precise thread detection equipment 1 based on mechanical induction comprises a feeding mechanism 10, a feeding mechanism 20, a detection mechanism and a discharging mechanism. Wherein the feeding mechanism 10 comprises a feeding position 101, the feeding mechanism 10 is used for placing the material piece 90 on the feeding position. The feeding mechanism 20 is used for conveying the material member 90. The detection mechanism is used for detecting the threads of the material piece 90. The discharging mechanism 90 is used for sorting and discharging the detected material pieces 90.
Further, in some embodiments of the invention, the detection mechanism includes a detection bit. The discharging mechanism comprises an unqualified product discharging groove and a qualified product discharging groove. The feeding mechanism 20 is used to transport the parts 90 from the feeding station 101 to the inspection station. The feeding mechanism 20 is further configured to convey the unqualified material 90 detected by the detection mechanism to the unqualified product discharge chutes 401a and 401b, and convey the qualified material 90 detected by the detection mechanism to the qualified product discharge chute 401 c.
Further, in some embodiments of the present invention, the detection mechanism includes a first detection mechanism 30a and a second detection mechanism 30 b. The first detection mechanism 30a includes a first detection bit 301 a. The second detection mechanism includes a second detection bit 301 b. The first detection mechanism 30a includes a gauge 303 a. The second detection mechanism 30b includes a no-go gauge 303 b. The discharge mechanism includes a first defective discharge chute 401a, a second defective discharge chute 401b, and a non-defective discharge chute 401 c. The feeding mechanism 20 is used for transporting the material piece 90 from the feeding position 101 to the first detection position 301 a. The feeding mechanism 20 is further configured to convey the material 90 that is detected to be unqualified by the first detecting mechanism 30a to the first unqualified product discharge chute 401a, and convey the material 90 that is detected to be qualified by the first detecting mechanism 30a to the second detecting position 301 b. The feeding mechanism 20 is further configured to convey the material 90 that is detected by the second detecting mechanism 30b as being unqualified to the second unqualified product discharge chute 401b, and convey the material 90 that is detected by the second detecting mechanism 30b as being qualified to the qualified product discharge chute 401 c. Under the action of the first preset torque T1, the thread of the material piece 90 completely passes through the go gauge 303a, and the material piece 90 is detected to be qualified by the first detection mechanism 30a, otherwise, the material piece is not qualified. Under the action of the second preset torque T2, the thread of the material 90 can be screwed into the no-go gauge for at most two turns, and the material 90 cannot be screwed further, and the material 90 is qualified through the second detection mechanism 30b, otherwise, the material is not qualified. The material 90 is qualified when both the first detection mechanism 30a and the second detection mechanism 30b detect the material, and the material 90 is unqualified when either the first detection mechanism 30a or the second detection mechanism 30b detect the material.
Further, referring to fig. 1, in some embodiments of the present invention, the precision thread detecting apparatus 1 based on mechanical induction includes a box 50, and a table 60 fixedly disposed on the box 50.
Further, referring to fig. 2 and 3, in some embodiments of the present invention, the feeding mechanism 10 includes a linear feeding rail 103, a linear feeder 104, a feeding cylinder 105, a feeding slide 107, and a feeding carriage 109. Wherein the linear feeder 104 is adapted to move the parts 90 in the linear feed guide 103 towards the trailing end of the linear feed guide 103. The feed position 101 is arranged on a feed carriage 109. Further, the feed carriage 109 is slidable relative to the feed slide 107 between a first feed position and a second feed position. The feed cylinder 105 is used to drive the feed carriage 109 to slide relative to the feed slide 107. When the feed carriage 109 is in the first feed position, the feed level 101 is at the trailing end of the linear feed guide 103. When the feed carriage 109 is in the second feed position, the feed position 101 is aligned with the jaws of the feed mechanism 20. In some embodiments of the invention, the number of feed locations 101 is two, and the two feed locations 101 are located at both ends of the feed carriage 109. Further, when the feed carriage 109 is in the first feed position, one of the feed locations 101 is at the rear end of the linear feed rail 103 and the other feed location 101 is aligned with the gripper on the side of the feed mechanism 20. When the feed carriage 109 is in the second feed position, one of the feed positions 101 is aligned with the gripper on the other side of the feed mechanism 20 and the other feed position 101 is located at the rear end of the linear feed guide 103. Further, in some embodiments of the present invention, the linear feed guide 103, the feed cylinder 105, and the feed slide 107 are all fixedly disposed on the table top 60.
Further, referring to FIG. 3, in some embodiments of the invention, the feed carriage 109 further includes a first baffle 111. The first baffle 111 and the linear feed guide 103 are located on either side of the feed level 101. The first blocking plate 111 is used for preventing the material member 90 from sliding off from one side of the feeding position 101 after being conveyed from the linear feeding guide 103 to the feeding position 101. Further, in some embodiments of the present invention, the linear feed guide 103 further comprises a second stop 113. The second baffle 113 and the first baffle 111 are located on both sides of the feed level 101. The second stop 113 serves to prevent the material piece 90 from sliding off the other side of the feed station 101 adjacent to the linear feed guide 103 during the sliding movement of the feed carriage 109.
Referring to fig. 4, in some embodiments of the invention, the feed mechanism 20 includes a transverse slide 201, a transverse drive cylinder 203, and a transverse carriage 205. Further, the lateral sliding rail 201 is fixedly connected to the table 60 through a bracket 207. The transverse drive cylinder 203 can drive the transverse carriage 205 to slide transversely along the transverse slide 201 between a first feed position and a second feed position.
Referring to fig. 2 and 4, the feeding mechanism 20 further includes a first feeding assembly 209a, a second feeding assembly 209b and a third feeding assembly 209c disposed on the transverse carriage 205 at intervals. When the transverse carriage 205 slides between the first feeding position and the second feeding position, the first feeding assembly 209a slides between a position above the feeding position 101 and a position above the first detection position 301a, the second feeding assembly 209b slides between a position above the first detection position 301a and a position above the second detection position 301b, and the third feeding assembly 209c slides between a position above the second detection position 301b and a position above the non-defective product discharge chute 401 c.
Further, as shown in fig. 4, in some embodiments of the present invention, the first feed assembly 209a includes a first longitudinal feed cylinder 211a, a first longitudinal feed slide 213a, a first longitudinal feed carriage 215a, and a first jaw assembly 217 a. Wherein, the first longitudinal feeding slide rail 213a is fixedly arranged on the transverse carriage 205. The first longitudinal feeding cylinder 211a is used for driving the first longitudinal feeding carriage 215a to slide longitudinally along the first longitudinal feeding slide rail 213 a. A first jaw assembly 217a is fixedly disposed on the first longitudinal feed carriage 215 a. Further, the second feeding assembly 209b includes a second longitudinal feeding cylinder 211b, a second longitudinal feeding slide rail 213b, a second longitudinal feeding carriage 215b, and a second clamping jaw assembly 217 b. Wherein the second longitudinal feeding slide rail 213b is fixedly arranged on the transversal carriage 205. The second longitudinal feeding cylinder 211b is used for driving the second longitudinal feeding carriage 215b to slide longitudinally along the second longitudinal feeding slide rail 213 b. A second jaw assembly 217b is fixedly disposed on the second longitudinal feed carriage 215 b. Further, the third feeding assembly 209c includes a third longitudinal feeding cylinder 211c, a third longitudinal feeding slide rail 213c, a third longitudinal feeding carriage 215c and a third clamping jaw assembly 217 c. Wherein the third longitudinal feeding rail 213c is fixedly arranged on the transversal carriage 205. The third longitudinal feeding cylinder 211c is used for driving the third longitudinal feeding carriage 215c to slide longitudinally along the third longitudinal feeding slide rail 213 c. A third jaw assembly 217c is fixedly disposed on the third longitudinal feed carriage 215 c.
Further, as shown with reference to fig. 4, in some embodiments of the present invention, the first jaw assembly 217a includes a first jaw 219a and a first jaw cylinder 221 a. The first jaw 219a includes two first jaw arms. The first clamping jaw air cylinder 221a is used for driving the two first clamping jaw arms to move relatively or oppositely so as to clamp or release the material part 90. Further, the second jaw assembly 217b includes a second jaw 219b and a second jaw cylinder 221 b. The second jaw 219b includes two second jaw arms. The second clamping jaw air cylinder 221b is used for driving the two second clamping jaw arms to move relatively or oppositely so as to clamp or release the material part 90. Further, the third jaw assembly 217c includes a third jaw 219c and a third jaw cylinder 221 c. The third jaw 219c includes two third jaw arms. The third clamping jaw air cylinder 221c is used for driving the two third clamping jaw arms to move relatively or oppositely so as to clamp or release the material part 90.
Further, referring to fig. 4, in some embodiments of the present invention, the number of the first feeding assembly 209a, the second feeding assembly 209b and the third feeding assembly 209c is two. And the two first feeding components 209a, the second feeding components 209b and the third feeding components 209c are respectively and fixedly arranged at two sides of the transverse sliding frame 205.
Further, referring to fig. 2, 5 and 6, in some embodiments of the present invention, the first detecting mechanism 30a includes a first material loading platform 305a, a first torque transmission rod 307a, a first torque sensor 309a and a first torque motor 311 a. The first loading platform 305a is connected to the table 60 by a first flexible assembly. The first detection site 301a is located on the first material loading platform 305a, and has a polygonal groove shape, and the bottom of the first detection site has a circular hole shape penetrating through the first material loading platform 305 a. The first detection site 301a further includes first jaw-avoiding grooves 313a on both sides thereof. The first jaw escape groove 313a is used to escape the jaw when the material 90 is gripped or released. The first flexible assembly includes a first spring 315a, a first sleeve 317a, and a first guide post 319 a. One end of the first guide post 319a is fixed on the first loading platform 305 a. The first sleeve 317a is fixed to the table 60. The first spring 315a is disposed on the first guide post 319a and located between the first loading platform 305a and the first sleeve 317 a. The other end of the first guide post 319a penetrates the table top 60. And the first guide post 319a can move longitudinally relative to the table top 60. Further, in some embodiments of the present invention, the number of the first flexible members is plural and the first flexible members are uniformly spaced along the circumferential direction of the first loading table 305 a. Further, a through gauge 303a is fixedly provided on top of the first torque transmission rod 307 a. And the gauge 303a is located below the first detection bit 301 a. The first torque motor 311a applies a first preset torque T1 to the first torque transmission rod 307a through the first torque sensor 309 a. The first detection mechanism 30a further includes a first rope displacement sensor 321 a. The first torque transmission rod 307a, the first torque sensor 309a, the first torque motor 311a, and the first rope displacement sensor 321a are relatively fixed in the longitudinal direction with respect to the table top 60. The rope 323a of the first rope displacement sensor 321a is fixed to the other end of the first guide post 319 a. The first rope displacement sensor 321a determines whether the thread of the material 90 completely passes through the go gauge 303a by sensing the displacement of the first guide post 319 a. Further, when the number of the first flexible members is plural, the pulling rope 323a of the first pulling rope displacement sensor 321a is fixed to the lower end portion of any one of the first guide rods 319 a.
Further, referring to fig. 2, 5 and 6, in some embodiments of the present invention, the second detecting mechanism 30b includes a second loading platform 305b, a second torque transmission rod 307b, a second torque sensor 309b and a second torque motor 311 b. The second loading platform 305b is connected to the table top 60 by a second flexible assembly. The second detection site 301b is located on the second material loading platform 305b, and has a polygonal groove shape, and the bottom of the polygonal groove is a circular hole shape penetrating through the second material loading platform 305 b. The second detection site 301b further includes second jaw escape grooves 313b on both sides thereof. The second jaw escape groove 313b is used to escape the jaw when the material 90 is gripped or released. The second flexible assembly includes a second spring 315b, a second sleeve 317b, and a second guide post 319 b. One end of the second guide post 319b is fixed on the second loading platform 305 b. The second sleeve 317b is secured to the table 60. The second spring 315b is sleeved on the second guide post 319b and located between the second loading platform 305b and the second sleeve 317 b. The other end of the second guide post 319b penetrates the table top 60. And the second guide post 319b can move longitudinally relative to the table top 60. Further, in some embodiments of the present invention, the number of the second flexible members is plural and the second flexible members are uniformly spaced along the circumferential direction of the second loading table 305 b. Further, a no-go gauge 303b is fixedly provided on top of the second torque transmission rod 307 b. And the no-go gauge 303b is located below the second detection bit 301 b. The second torque motor 311b applies a second preset torque T2 to the second torque transmission rod 307b through the second torque sensor 309 b. The second detection mechanism 30b further includes a second rope displacement sensor 321 b. The second torque transmission rod 307b, the second torque sensor 309b, the second torque motor 311b, and the second rope displacement sensor 321b are relatively fixed in the longitudinal direction with respect to the deck surface 60. The rope 323b of the second rope displacement sensor 321b is fixed to the other end of the second guide post 319 b. The second rope displacement sensor 321b determines whether the screw-in stop gauge 303b of the material 90 has more than two turns by sensing the displacement of the second guide post 319 b. Further, when the number of the second flexible members is plural, the pulling rope 323b of the second pulling rope displacement sensor 321b is fixed to the lower end portion of any one of the second guide rods 319 b.
Further, referring to fig. 2 and 7, in some embodiments of the present invention, the discharge mechanism includes a first discharge mechanism 40a, a second discharge mechanism 40b, and a good discharge mechanism 40 c. The first discharge mechanism 40a includes a first reject discharge chute 401a, a first discharge cylinder 403a, a first discharge slide 405a, and a first discharge carriage 407 a. Wherein the first discharge slide 405a is fixedly disposed on the table top 60. The first reject discharge chute 401a is fixedly provided on the first discharge carriage 407 a. The first reject discharge chute 401a is provided obliquely in the extending direction thereof. The first discharge cylinder 403a is used to drive the first discharge carriage 407a to slide along the first discharge slide 405 a. Specifically, the first reject chute 401a is movable between a first discharge position and a second discharge position by the first discharge carriage 407 a. When the first reject discharge chute 401a is in the first discharge position, the higher end of the first reject discharge chute 401a is located above the first detection position 301a and below the first feeding assembly 209 a. When the first reject discharge chute 401a is located at the second discharge position, the higher end of the first reject discharge chute 401a is away from above the first detection position 301 a. In some embodiments of the present invention, the second discharging mechanism 40b is configured similarly to the first discharging mechanism 40a, and is located differently. Specifically, the second discharge mechanism 40b includes a second reject discharge chute 401b, a second discharge cylinder 403b, a second discharge slide 405b, and a second discharge carriage 407 b. Wherein the second discharge slide 405b is fixedly disposed on the table top 60. The second reject discharge chute 401b is fixedly provided on the second discharge carriage 407 b. The second reject discharge chute 401b is provided obliquely in the extending direction thereof. The second discharging cylinder 403b is used for driving the second discharging carriage 407b to slide along the second discharging slide rail 405 b. Specifically, the second reject chute 401b is movable between a first discharge position and a second discharge position on a second discharge carriage 407 b. When the second reject discharge chute 401b is in the first discharge position, the higher end of the second reject discharge chute 401b is located above the second detection position 301b and below the first feeding assembly 209 b. When the second reject discharge chute 401b is located at the second discharge position, the higher end of the second reject discharge chute 401b is away from above the second detection position 301 b. Further, in some embodiments of the present invention, the non-defective discharge mechanism 40c includes a non-defective discharge chute 401c and a non-defective discharge rack 407 c. The non-defective product discharge chute 401c is fixedly arranged on the table 60 by a non-defective product discharge bracket 407 c.
Further, in some embodiments of the present invention, the number of the first discharging mechanism 40a, the second discharging mechanism 40b, and the non-defective discharging mechanism 40c is two. The two first discharging mechanisms 40a, the second discharging mechanism 40b and the qualified product discharging mechanism 40c are respectively positioned at two sides of the feeding mechanism 20.
The operation and principle of the mechanical induction based precision thread inspection apparatus 1 according to some embodiments of the present invention will be described in detail with reference to fig. 1 to 8.
First, linear feed guide 103 delivers a piece 90 to its trailing end by linear feeder 104. The feed carriage 109 slides between a first feed position and a second feed position by the feed cylinder 105. When the feed carriage 109 is in the first feed position, one of the feed positions 101, into which the material 90 enters from the rear end of the linear feed guide 103, is located at the rear end of the linear feed guide 103. When the feed carriage 109 is moved to the second feed position by the feed cylinder 105, the feed position 101 is aligned with the first gripper 219a of the first feeding unit 209a on the side of the feeding mechanism 20, the transverse carriage 205 is moved to the first feed position by the transverse drive cylinder 203, the first feeding unit 209a is located above the feed position 101, the first gripper unit 217a is moved downward by the first longitudinal feed cylinder 211a, the first gripper 219a grips the material piece 90 by the first gripper cylinder 221a, and the other feed position 101 is located at the rear end of the linear feed guide 103, and the material piece 90 enters the feed position from the rear end of the linear feed guide 103. When the feed carriage 109 is moved again to the first feed position by the feed cylinder 105, the further feed position 101 is aligned with the first jaw of the first feed assembly on the other side of the feed mechanism 20 and the material element 90 is gripped by the first jaw.
Next, the first clamping jaw assembly 217a moves upward under the action of the first longitudinal feeding cylinder 211a, and the transverse carriage 205 moves to the second feeding position under the action of the transverse driving cylinder 203, at which time the first feeding assembly 209a is located above the first detection position 301 a. The first clamping jaw assembly 217a moves downwards under the action of the first longitudinal feeding cylinder 211a until the material piece 90 reaches the first detection position 301a, the first clamping jaw 219a releases the material piece 90 under the action of the first clamping jaw cylinder 221a, and the first clamping jaw assembly 217a moves upwards under the action of the first longitudinal feeding cylinder 211 a.
Next, the first torque motor 311a applies the first preset torque T1 to the first torque transmission rod 307a through the first torque sensor 309 a. The first rope displacement sensor 321a determines whether the thread of the material 90 completely passes through the go gauge 303a by sensing the displacement of the first guide post 319 a.
If the thread of the material piece 90 can not completely pass through the through gauge 303a, the material piece 90 is detected to be unqualified by the first detection mechanism 30 a. The first clamping jaw assembly 217a moves downwards under the action of the first longitudinal feeding cylinder 211a, the first clamping jaw 219a clamps the material piece 90 under the action of the first clamping jaw cylinder 221a, and the first clamping jaw assembly 217a moves upwards under the action of the first longitudinal feeding cylinder 211 a. The first reject chute 401a is moved to the first discharge position by the first discharge cylinder 403a, at which time the higher end of the first reject chute 401a is located above the first detection position 301a and below the first feeding assembly 209 a. The first jaw 219a releases the material 90 by the first jaw cylinder 221a, and the material 90 enters the first reject discharge chute 401 a.
If the thread of the material piece 90 can completely pass through the through gauge 303a, the material piece 90 is detected to be qualified by the first detection mechanism 30 a. The transverse carriage 205 is moved to the first feeding position by the transverse driving cylinder 203, and the second feeding unit 209b is located above the first detection position 301 a. The second clamping jaw assembly 217b moves downwards under the action of the second longitudinal feeding cylinder 211a, the second clamping jaw 219b clamps the material piece 90 under the action of the second clamping jaw cylinder 221b, and the second clamping jaw assembly 217b moves upwards under the action of the second longitudinal feeding cylinder 211 b. The transverse carriage 205 is moved to the second feeding position by the transverse driving cylinder 203, and the second feeding unit 209b is located above the second detection position 301 b. The second clamping jaw assembly 217b moves downwards under the action of the second longitudinal feeding cylinder 211b until the material piece 90 reaches the second detection position 301b, the second clamping jaw 219b releases the material piece 90 under the action of the second clamping jaw cylinder 221b, and the second clamping jaw assembly 217b moves upwards under the action of the second longitudinal feeding cylinder 211 b.
Next, the second torque motor 311b applies a second preset torque T2 to the second torque transmission rod 307b through the first torque sensor 309 b. The second rope displacement sensor 321b determines whether the thread of the material 90 is screwed into the stopper 303b more than 2 turns by sensing the displacement of the second guide post 319 b.
If the screw thread of the material member 90 is screwed into the no-go gauge 303b more than 2 times, the material member 90 is not qualified by the second detecting mechanism 30 b. The second clamping jaw assembly 217b moves downwards under the action of the second longitudinal feeding cylinder 211b, the second clamping jaw 219a clamps the material piece 90 under the action of the second clamping jaw cylinder 221a, and the second clamping jaw assembly 217b moves upwards under the action of the second longitudinal feeding cylinder 211 b. The second reject chute 401b is moved to the first discharge position by the second discharge cylinder 403b, at which time the higher end of the first reject chute 401b is located above the second detection position 301b and below the second feeding assembly 209 b. The second gripper 219b releases the material 90 by the second gripper cylinder 221b, and the material 90 enters the second reject discharge chute 401 b.
If the thread of the material piece 90 is screwed into the no-go gauge 303b for no more than 2 circles, the material piece 90 is detected to be qualified by the second detection mechanism 30 b. The transverse carriage 205 is moved to the first feeding position by the transverse driving cylinder 203, and the third feeding unit 209c is located above the second detection position 301 b. The third clamping jaw assembly 217c moves downwards under the action of the third longitudinal feeding cylinder 211b, the third clamping jaw 219c clamps the material piece 90 under the action of the third clamping jaw cylinder 221b, and the third clamping jaw assembly 217c moves upwards under the action of the third longitudinal feeding cylinder 211 c. The transverse carriage 205 is moved by the transverse drive cylinder 203 to a second feed position in which the third feed assembly 209c is positioned above the accept discharge chute 401 c. The third jaw 219c releases the material 90 by the third jaw cylinder 221b, and the material 90 enters the non-defective discharge chute 401 c.
The processes of detecting and sorting the material parts 90 at the other side of the feeding mechanism 20 are the same as those of the material parts 90 at the one side, and are not described herein again.
Compared with the prior art, the precise thread detection equipment based on mechanical induction provided by some embodiments of the invention can realize automatic detection operation of threads of a material part, does not need manual operation, can obviously improve detection efficiency, reduces detection cost, and can improve detection precision. The precision thread detection equipment based on mechanical induction provided by some embodiments of the invention can also realize that at most 6 pieces are simultaneously detected and classified for discharging, and the efficiency of detecting and classifying for discharging is very high.
The above-mentioned embodiments only express several embodiments of the present invention, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present invention. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the inventive concept, which falls within the scope of the present invention. Therefore, the protection scope of the present invention should be subject to the claims.
Claims (10)
1. The utility model provides a precision thread check out test set based on mechanics response for whether the screw thread that detects the material spare is qualified, its characterized in that includes: the device comprises a feeding mechanism, a detection mechanism and a discharging mechanism;
the feeding mechanism comprises a material feeding position, and is used for placing the material piece on the material feeding position;
the feeding mechanism is used for conveying the material parts;
the detection mechanism is used for detecting the threads of the material part;
the discharging mechanism is used for discharging the detected material pieces in a classified mode.
2. The precision thread testing apparatus based on mechanical induction according to claim 1, wherein said testing mechanism comprises a testing station, and said unloading mechanism comprises a reject unloading slot and a reject unloading slot; the feeding mechanism is used for conveying the material parts to the detection position from the material supply position, and the feeding mechanism is also used for conveying the material parts which are detected to be unqualified by the detection mechanism to the unqualified product discharge chute and conveying the material parts which are detected to be qualified by the detection mechanism to the qualified product discharge chute.
3. The precision thread inspection apparatus based on mechanical induction according to claim 2, wherein the inspection mechanism comprises a first inspection mechanism and a second inspection mechanism; the first detection mechanism comprises a first detection position, and the second detection mechanism comprises a second detection position; the first detection mechanism comprises a go gauge, and the second detection mechanism comprises a no-go gauge; the discharging mechanism comprises a first unqualified product discharging groove, a second unqualified product discharging groove and a qualified product discharging groove; the feeding mechanism is used for conveying the material piece from the material supply position to the first detection position; the feeding mechanism is also used for conveying the unqualified material pieces detected by the first detection mechanism to the first unqualified product discharge chute and conveying the qualified material pieces detected by the first detection mechanism to the second detection position; the feeding mechanism is also used for conveying unqualified materials detected by the second detection mechanism to the second unqualified product discharge chute, and conveying qualified materials detected by the second detection mechanism to the qualified product discharge chute.
4. The precise thread detection device based on mechanical induction as claimed in claim 3, wherein under the action of a first preset torque T1, the thread of the material piece completely passes through the go gauge, and the material piece is detected to be qualified by the first detection mechanism, otherwise, the material piece is not qualified; under the action of a second preset torque T2, the thread of the material piece can be screwed into the no-go gauge for at most two circles, and then the material piece cannot be screwed into the no-go gauge continuously, and the material piece is detected to be qualified by the second detection mechanism, otherwise, the material piece is not qualified.
5. The mechanical sensing-based precision thread testing apparatus of claim 4, wherein said feeding mechanism comprises a linear feed rail, a linear feeder for moving a material piece in said linear feed rail toward a trailing end of said linear feed rail, a feed cylinder, a feed slide, and a feed carriage, said feed position being disposed on said feed carriage, said feed carriage being slidable relative to said feed slide between a first feed position and a second feed position.
6. The precision thread inspection apparatus based on mechanical induction according to claim 5, the feeding mechanism comprises a transverse slide rail, a transverse driving air cylinder and a transverse sliding frame, the transverse driving air cylinder can drive the transverse sliding frame to transversely slide along the transverse slide rail between a first feeding position and a second feeding position, the feeding mechanism also comprises a first feeding component, a second feeding component and a third feeding component which are arranged on the transverse sliding frame at intervals, when the transverse carriage slides between the first feed position and the second feed position, the first feeding component slides between the position above the material supply position and the position above the first detection position, the second feeding component slides between the position above the first detection position and the position above the second detection position, the third feeding assembly slides between the position above the second detection position and the position above the qualified product discharge chute.
7. The mechanical induction-based precise thread detection device as claimed in claim 6, wherein the first feeding assembly comprises a first longitudinal feeding cylinder, a first longitudinal feeding slide rail, a first longitudinal feeding carriage and a first clamping jaw assembly, and the first longitudinal feeding cylinder is used for driving the first longitudinal feeding carriage to slide longitudinally along the first longitudinal feeding slide rail; the second feeding assembly comprises a second longitudinal feeding cylinder, a second longitudinal feeding slide rail, a second longitudinal feeding sliding frame and a second clamping jaw assembly, and the second longitudinal feeding cylinder is used for driving the second longitudinal feeding sliding frame to longitudinally slide along the second longitudinal feeding slide rail; the third feeding assembly comprises a third longitudinal feeding cylinder, a third longitudinal feeding slide rail, a third longitudinal feeding sliding frame and a third clamping jaw assembly, and the third longitudinal feeding cylinder is used for driving the third longitudinal feeding sliding frame to longitudinally slide along the third longitudinal feeding slide rail.
8. The precision thread detection device based on mechanical induction according to claim 7, wherein the first clamping jaw assembly comprises a first clamping jaw and a first clamping jaw air cylinder, the first clamping jaw comprises two first clamping jaw arms, and the first clamping jaw air cylinder is used for driving the two first clamping jaw arms to move relatively or oppositely to clamp or release the material piece; the second clamping jaw assembly comprises a second clamping jaw and a second clamping jaw air cylinder, the second clamping jaw comprises two second clamping jaw arms, and the second clamping jaw air cylinder is used for driving the two second clamping jaw arms to move relatively or move oppositely to clamp or loosen the material; the third clamping jaw assembly comprises a third clamping jaw and a third clamping jaw air cylinder, the third clamping jaw comprises two third clamping jaw arms, and the third clamping jaw air cylinder is used for driving the two third clamping jaw arms to move relatively or move back to back so as to clamp or loosen the material piece.
9. The mechanical induction based precision thread detection apparatus of claim 8, wherein the mechanical induction based precision thread detection apparatus comprises a table; the first detection mechanism comprises a first material carrying platform, a first torque transmission rod, a first torque sensor and a first torque motor, the first material carrying platform is connected to the table board through a first flexible assembly, the first detection position is located on the first material carrying platform, the first flexible assembly comprises a first spring, a first sleeve and a first guide pillar, one end of the first guide pillar is fixed to the first material carrying platform, the first sleeve is fixed to the table board, the first spring is sleeved on the first guide pillar and located between the first material carrying platform and the first sleeve, the other end of the first guide pillar penetrates through the table board and can move longitudinally relative to the table board, the go gauge is fixedly arranged at the top of the first torque transmission rod and located below the first detection position, and the first torque motor applies a first force to the first torque transmission rod through the first torque sensor A preset torque T1; the second detection mechanism comprises a second material carrying platform, a second torque transmission rod, a second torque sensor and a second torque motor, the second material carrying platform is connected to the table board through a second flexible assembly, the second detection position is located on the second material carrying platform, the second flexible assembly comprises a second spring, a second sleeve and a second guide pillar, one end of the second guide pillar is fixed to the second material carrying platform, the second sleeve is fixed to the table board, the second spring is sleeved on the second guide pillar and located between the second material carrying platform and the second sleeve, the other end of the second guide pillar penetrates through the table board and can move longitudinally relative to the table board, the stop gauge is fixedly arranged at the top of the second torque transmission rod and located below the second detection position, and the second torque motor applies a second torque to the second torque transmission rod through the second torque sensor The preset torque T2.
10. The mechanical induction based precise thread detecting device according to claim 9, wherein the first detecting mechanism further comprises a first rope displacement sensor, the first torque transmission rod, the first torque sensor, the first torque motor and the first rope displacement sensor are relatively fixed in a longitudinal direction with respect to the table top, a rope of the first rope displacement sensor is fixed on the other end of the first guide pillar, and the first rope displacement sensor judges whether a thread of a material piece passes through the universal gauge completely by sensing a displacement of the first guide pillar; the second detection mechanism further comprises a second pull rope displacement sensor, the second torque transmission rod, the second torque sensor, the second torque motor and the second pull rope displacement sensor are relatively fixed relative to the table board in the longitudinal direction, a pull rope of the second pull rope displacement sensor is fixed to the other end of the second guide pillar, and the second pull rope displacement sensor senses the displacement of the second guide pillar to judge whether the screw thread of the material part is screwed into the stop gauge for more than two turns.
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| CN201811297820.6A CN109482513B (en) | 2018-10-25 | 2018-10-25 | Accurate thread detection equipment based on mechanics response |
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