CN217442835U - Thread detection device - Google Patents

Abstract

The utility model discloses a screw thread detection device uses in screw thread detection technology field, and its technical scheme main points are: a thread detecting device comprises a base; the base is fixedly connected with a transfer mechanism and a fixing tool for fixing a threaded part to be detected, the base is provided with a rotating mechanism for driving the fixing tool to rotate for a certain angle, the transfer mechanism is provided with a detection mechanism for detecting threads, and the detection mechanism comprises a pair of reciprocating detection components for detecting the threads on the part based on screwing a detection screw into an internal threaded hole and detecting the screwing torque force and a supporting seat fixedly connected to the transfer mechanism for supporting the detection components; has the technical effects that: the detection precision is high.

Description

Thread detection device

Technical Field

The utility model relates to a screw thread detects technical field, in particular to screw thread detection device.

Background

For the internal thread arranged on the important part, a screw or a bolt needs to be screwed into the internal thread in the mounting process, and the problem frequently occurs in the screwing process because the internal thread slides or is damaged due to the quality problem of the internal thread, and the damage of the whole important part is often caused due to the damage of one internal thread, so that great loss is caused. Therefore, in the future, the problems are avoided, the quality of the internal thread on the important part needs to be detected in advance, and the internal thread can be used after the defective product is removed.

In the detection process of the thread, the internal thread is positioned in the hole and is difficult to observe, and particularly the internal thread at the position with larger depth is more difficult to detect.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a screw thread detection device, its advantage detects the precision height.

The above technical purpose of the present invention can be achieved by the following technical solutions: a thread detecting device comprises a base; fixedly connected with moves and carries the mechanism and be used for the fixed frock of treating the screw part that waits on the base, set up on the base and be used for driving the rotatory rotary mechanism of certain angle of fixed frock, move and be equipped with the detection mechanism who is used for detecting the screw thread on the mechanism that carries, detection mechanism includes a pair of reciprocal detection subassembly and fixed connection in move and carry the mechanism and be used for supporting the supporting seat of detection subassembly on will detecting the screw and twist in the internal thread hole and detect the twist torsion and realize detecting the screw thread on the part.

Through the technical scheme, the base is fixedly connected with the transferring mechanism, the transferring mechanism is provided with the detection mechanism for detecting the threads, so that the transferring mechanism drives the detection mechanism to move to any position in the detection range of the base, the detection efficiency is improved, the detection mechanism uses a pair of reciprocating detection components which realize the threads on the detection part based on screwing the detection screw into the internal thread hole and detecting the screwing torque force, thereby avoiding the process of visual detection, if the screwing torque force exceeds a standard value in the detection process, the threaded hole of the detection part is not required, the detection precision is high, the detection efficiency is improved, the rotating mechanism which is arranged on the base and used for driving the fixed tool to rotate for a certain angle is used for rotating the fixed tool for fixing the detection part for a certain angle, on the one hand, the condition that the axial lead of the threaded hole is an oblique part can be detected, on the other hand, the application range of the device is improved.

The utility model discloses further set up to: move and carry mechanism including fixed connection in the base is along minor face direction both sides, be used for driving detection mechanism along the first lead screw glide machanism that base minor face direction removed and set up in on the first lead screw glide machanism, be used for driving detection mechanism along the second lead screw glide machanism that base long limit direction removed.

Through the technical scheme, fixed connection is used for driving detection mechanism and removes along base minor face direction at the first lead screw glide mechanism of base along minor face direction both sides, the second lead screw glide mechanism that sets up on first lead screw glide mechanism is used for driving detection mechanism and removes along the long limit direction of base, it can the high-speed movement to the base optional position to have guaranteed that detection mechanism removes, it uses lead screw glide mechanism to move the mechanism simultaneously, on the one hand, the concrete high precision of lead screw glide mechanism, thereby it can be with the axle center with the screw hole that detects to guarantee when detecting the screw hole, avoid not influencing the testing result with the axle center, on the other hand, lead screw glide mechanism moving speed piece, promote detection efficiency.

The utility model discloses further set up to: the detection assembly comprises a lead screw lifting mechanism and a mounting seat, the lead screw lifting mechanism is fixedly connected to the second lead screw sliding mechanism sliding table, the mounting seat is fixedly connected to the lead screw lifting mechanism sliding table, one end of the mounting seat is fixedly connected with the mounting seat to lift and realize first torsion detection assembly for detecting the threads, and the mounting seat is close to the second torsion detection assembly for detecting the threads by means of active lifting of one end of the first torsion detection assembly.

Through above-mentioned technical scheme, mount pad fixed connection is on lead screw elevating system's slip table to first torsion determine module and second torsion determine module of fixed connection on the mount pad, thereby lead screw elevating system removes and drives the mount pad and goes up and down to indirectly drive first torsion determine module and the second torsion determine module of fixed connection on the mount pad and go up and down, guarantees the lift precision.

The utility model discloses further set up to: the first torsion detection assembly comprises a first mounting plate fixedly connected to the mounting base and a first torsion detection motor connected to the first mounting plate in a sliding mode based on a sliding rail and used for driving a detection bolt to rotate and detecting a screwing-in torsion, and a first height adjusting cylinder used for adjusting the height of the first torsion detection motor relative to the base is arranged on the first mounting plate.

Through above-mentioned technical scheme, based on the first torsion detection motor of guide rail sliding connection and drive the detection bolt rotation and detect the torsion of twisting the screw thread on first mounting panel to the realization is used for adjusting first torsion motor for the first altitude mixture control cylinder of base height to the testing process of screw thread, when the screw thread of detecting different parts or when the detection degree of depth can't reach the requirement, thereby can obtain best detection effect through the position of adjusting first altitude mixture control cylinder.

The utility model discloses further set up to: the second torsion detection assembly comprises a second mounting plate which is connected to the mounting seat in a sliding mode based on a sliding rail and a second torsion detection motor which is connected to the second mounting plate in a sliding mode based on a sliding rail and used for driving the detection bolt to rotate and detecting the torsion of the screw, a lifting cylinder which is connected to the mounting seat in a fixed mode and used for driving the second mounting plate to lift is arranged on the mounting seat, blocking blocks which are used for limiting the lifting position of the second mounting plate are arranged at two ends of the mounting seat in the vertical direction, and a second height adjusting cylinder which is used for adjusting the height of the second torsion detection motor relative to the base is arranged on the second mounting plate.

Through the technical scheme, the second torsion detection motor is connected on the second mounting plate in a sliding way based on the guide rail to drive the detection bolt to rotate and detect the torsion of the screwed thread, thereby realizing the detection process of the thread, a second height adjusting cylinder for adjusting the height of the second torsion motor relative to the base is arranged on the second mounting plate, when the threads of different parts are detected or the detection depth cannot meet the requirements, the position of the second height adjusting cylinder can be adjusted to obtain the best detection effect, fixed connection is used for driving the lift cylinder that the second mounting panel goes up and down and sets up the piece that blocks that is used for restricting second mounting panel lift position along the both ends of vertical direction on the mount pad, if partial part screw hole degree of depth is darker, and first torsion determine module can't detect, thereby can realize detecting based on adjustment lift cylinder.

The utility model discloses further set up to: the fixed frock include the frock seat with fixed connection in a plurality of holding tanks that are used for holding and wait to detect the screw thread part on the frock seat and set up in be used for realizing fixing a position in the holding tank and wait to detect the locating pin of screw thread part, be equipped with on the frock seat and be used for fixing a position to compress tightly the location that waits to detect the screw thread part and compress tightly the subassembly.

Through above-mentioned technical scheme, fixed connection holding tank is used for holding the location and treats the detection screw thread part on the frock seat, sets up the locating pin in the holding tank and is used for realizing treating the accurate location that detects the screw thread part, and the location that sets up on the frock seat compresses tightly the subassembly and is used for waiting to detect the screw thread part and fix on the holding tank cell wall to guarantee that the location is accurate, set up a plurality of holding tanks on the frock seat, then can realize a clamping, carrying out the screw thread detection, avoided the clamping repetition time.

The utility model discloses further set up to: the rotary mechanism comprises a rotary seat fixedly connected with the two ends of the base and used for driving and supporting the fixed tool, one end of the rotary seat is rotatably connected with a rotary shaft fixedly connected with the tool seat, and the rotary seat is fixedly connected with a motor assembly used for driving the rotary shaft to rotate.

Through above-mentioned technical scheme, fixed connection is used for driving at the roating seat at base both ends and supports fixed frock, and rotation axis fixed connection is used for driving the rotation axis rotation and then drives the rotatory certain angle of fixed frock on fixed frock and on the roating seat fixed connection motor element to be suitable for the screw thread detection of different parts.

The utility model discloses further set up to: the roating seat is kept away from motor element's one end is equipped with and is used for detecting fixed frock rotation angle's photoelectric sensing subassembly, the photoelectric sensing subassembly include fixed connection in rotatory epaxial tablet and be used for detecting tablet rotation angle's photoelectric sensor.

Through above-mentioned technical scheme, the one end of keeping away from motor element at the roating seat sets up the photoelectric detection subassembly that is used for detecting fixed frock rotation angle, and photoelectric detection subassembly's tablet fixed connection is used for expressing the rotation angle of fixed frock on the rotation axis, thereby photoelectric sensor is used for detecting the rotation angle that the tablet obtained the rotation angle of fixed frock, avoids the part not just to detecting the bolt, has promoted the screw thread detection precision.

To sum up, the utility model discloses following beneficial effect has:

1. the base is fixedly connected with the transferring mechanism, and the transferring mechanism is provided with the detection mechanism for detecting the threads, so that the transferring mechanism drives the detection mechanism to move to any position within the detection range of the base, and the detection efficiency is improved;

2. the detection mechanism uses a pair of reciprocal detection subassembly based on will detecting the screw and twist into the internal thread downthehole and detect the screw and twist the screw thread on the torsion realization detection part to avoided the process that detects visually, if in the testing process, the torsion of twisting exceeds the standard value and then represents the screw hole unsatisfactory of detection part, it is high to detect the precision, has promoted detection efficiency.

Drawings

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

fig. 2 is a schematic structural view of the transfer mechanism of the present embodiment;

FIG. 3 is a schematic structural view of the detecting mechanism of the present embodiment;

fig. 4 is a schematic structural view of the rotating mechanism of the present embodiment.

Reference numerals: 1. a base; 2. a transfer mechanism; 21. a first screw rod sliding mechanism; 22. a second lead screw sliding mechanism; 3. fixing a tool; 31. a tool seat; 32. accommodating grooves; 33. positioning pins; 34. positioning a compression assembly; 4. a rotation mechanism; 41. a rotating base; 42. a rotating shaft; 43. a motor assembly; 5. a detection mechanism; 51. a detection component; 511. a screw rod lifting mechanism; 512. a mounting seat; 513. a first torque detection assembly; 5131. a first mounting plate; 5132. a first torque detection motor; 5133. a first height adjustment cylinder; 514. a second torque detection assembly; 5141. a second mounting plate; 5142. a second torque detection motor; 5143. a lifting cylinder; 5144. a blocking block; 5145. a second height adjustment cylinder; 52. a supporting base; 6. a photoelectric sensing component; 61. an induction plate; 62. a photoelectric induction sensor.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

Example (b):

referring to fig. 1, a thread detection device includes a base 1 fixed on the ground, a transfer mechanism 2 and a fixing tool 3 for fixing a thread part to be detected are fixedly connected to the base 1, a rotating mechanism 4 for driving the fixing tool 3 to rotate by a certain angle is arranged on the base 1, a detection mechanism 5 for detecting threads is arranged on the transfer mechanism 2, and a photoelectric sensing component 6 for detecting the rotation angle of the fixing tool 3 is fixedly connected to one end of the rotating mechanism 4.

Referring to fig. 2, specifically, the transferring mechanism 2 includes a first screw rod sliding mechanism 21 fixedly connected to the base 1 along both sides of the short side direction for driving the detecting mechanism 5 to move along the short side direction of the base 1, and a second screw rod sliding mechanism 22 disposed on the first screw rod sliding mechanism 21 for driving the detecting mechanism 5 to move along the long side direction of the base 1. First lead screw glide machanism 21 is the same with second lead screw glide machanism 22's structure, first lead screw glide machanism 21 includes the seat of sliding of fixed connection at base 1, it is connected with the lead screw module to rotate on the seat of sliding, sliding connection has the slip table with lead screw module complex on the seat of sliding, thereby be used for driving the lead screw module at lead screw module one end fixed connection and rotate the servo motor that the slip table moved on the seat of sliding, base 1 is provided with the slide rail in the one end of keeping away from the seat of sliding, interactive connection has the slip table on the slide rail, second lead screw glide machanism 22 fixed connection is on the slip table.

Referring to fig. 3, in detail, the detecting mechanism 5 includes a pair of reciprocating detecting assemblies 51 for detecting the threads on the parts based on screwing the detecting screws into the female screw holes and detecting the screwing torque force, and a supporting base 52 fixedly connected to the sliding table of the second lead screw sliding mechanism 22 for supporting the detecting assemblies 51.

Specifically, the detecting assembly 51 includes a screw lifting mechanism 511 fixedly connected to the sliding table of the second screw sliding mechanism 22 and a mounting base 512 fixedly connected to the sliding table of the screw lifting mechanism 511, one end of the mounting base 512 is fixedly connected to a first torsion detecting assembly 513 which is lifted along with the mounting base 512 to detect the screw thread, and one end of the mounting base 512, which is close to the first torsion detecting assembly 513, is fixedly connected to a second torsion detecting assembly 514 which is lifted actively to detect the screw thread. When the screw threads of different parts are detected or the detection depth cannot meet the requirement, the position of the second torsion detection assembly 514 can be adjusted to detect the threaded hole.

Referring to fig. 3, specifically, the first torque detection assembly 513 includes a first mounting plate 5131 fixedly connected to the mounting base 512 and a first torque detection motor 5132 slidably connected to the first mounting plate 5131 based on a sliding rail for driving the detection bolt to rotate and detecting a screwing torque, and a first height adjustment cylinder 5133 for adjusting a height of the first torque detection motor 5132 relative to the base 1 is disposed on the first mounting plate 5131, so that when detecting threads of different parts or when a detection depth cannot meet a requirement, an optimal detection effect can be obtained by adjusting a position of the first height adjustment cylinder 5133.

Referring to fig. 3, specifically, the second torsion detecting assembly 514 includes a second mounting plate 5141 slidably connected to the mounting base 512 based on a sliding rail, and a second torsion detecting motor 5142 slidably connected to the second mounting plate 5141 based on a sliding rail for driving the detecting bolt to rotate and detecting the screwing-in torsion, a lifting cylinder 5143 fixedly connected to the mounting base 512 for driving the second mounting plate 5141 to lift is provided at both ends of the mounting base 512 along the vertical direction for limiting the lifting position of the second mounting plate 5141, a second height adjusting cylinder 5145 provided on the second mounting plate 5141 for adjusting the height of the second torsion detecting motor 5142 relative to the base 1 is provided, when the depth of the part to be detected exceeds the range of the first torsion detecting assembly 513, the extending length of the lifting cylinder 5143 can be adjusted by only adjusting the position of the blocking block 5144 fixed to the mounting base 512, so that the second torsion detecting assembly 514 can detect the position where the first torsion detecting assembly 513 does not contact . When the first torsion detecting component 51 is in contact with the second torsion detecting component 514, the height of the second torsion detecting component 514 can be adjusted to be the same as that of the first torsion detecting component 513, so that the simultaneous detection is realized, and the detection efficiency is improved.

Referring to fig. 4, specifically, the fixing tool 3 includes a tool seat 31 fixedly connected to two ends of the base 1, a plurality of accommodating grooves 32 fixedly connected to the tool seat 31 and used for accommodating the threaded part to be detected, and a positioning pin 33 arranged in the accommodating groove 32 and used for positioning the threaded part to be detected, and a positioning pressing assembly 34 used for positioning and pressing the threaded part to be detected is arranged on the tool seat 31. Two liang of relative settings of holding tank 32 that set up on frock seat 31, set up locating pin 33 in holding tank 32 and be used for realizing treating the accurate location that detects the screw thread part, the location compresses tightly subassembly 34 including fixed connection the telescopic cylinder between holding tank 32 on frock seat 31, telescopic end fixed connection at telescopic cylinder is used for waiting to detect the screw thread part and fixes on holding tank 32 cell wall, thereby realize fixedly, in this embodiment, be equipped with 8 holding tanks 32 on the frock seat 31, but not limited to can only set up 8, thereby can increase holding tank 32's quantity and promote clamping efficiency.

Referring to fig. 4, specifically, the rotating mechanism 4 includes a rotating base 41 fixedly connected to two ends of the base 1 for driving and supporting the fixed tooling 3, one end of the rotating base 41 is rotatably connected to a rotating shaft 42 fixedly connected to the tooling base 31, and a motor assembly 43 for driving the rotating shaft 42 to rotate is fixedly connected to the rotating base 41.

Referring to fig. 4, in particular, the photoelectric sensing assembly 6 includes a sensing plate 61 fixedly connected to the rotating shaft 42 and a photoelectric sensing sensor 62 for detecting a rotation angle of the sensing plate 61, and the photoelectric sensing assembly 6 includes a sensing plate 61 fixedly connected to the rotating shaft 42 and a photoelectric sensing sensor 62 for detecting a rotation angle of the sensing plate 61.

Brief description of the use process: firstly, a threaded part to be detected is clamped and fixed on a fixing tool 3, then the fixing tool 3 is rotated by a certain angle through a rotating assembly, the axial lead of the thread of the part to be detected can be perpendicular to a base 1, then a transferring mechanism 2 drives a detecting mechanism 5 to move to a specific position, a screw rod lifting mechanism 511 descends, a first torsion detecting motor 5132 and a second torsion motor rotate to screw a detecting bolt into a detecting threaded hole and detect torsion data, if the torsion is within a specified range, the threaded hole is qualified, and if the torsion exceeds a standard range, the threaded hole is unqualified.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications to the present embodiment without inventive contribution as required after reading the present specification, but all of them are protected by patent laws within the scope of the claims of the present invention.

Claims (8)

1. A thread detecting device comprises a base (1); the detection device is characterized in that a shifting mechanism (2) and a fixing tool (3) for fixing a threaded part to be detected are fixedly connected to the base (1), a rotating mechanism (4) for driving the fixing tool (3) to rotate by a certain angle is arranged on the base (1), a detection mechanism (5) for detecting threads is arranged on the shifting mechanism (2), the detection mechanism (5) comprises a pair of reciprocating detection components (51) which are based on the fact that a detection screw is screwed into an internal threaded hole and the detection screw is screwed into torsion to realize the threads on the detection part, and a support seat (52) fixedly connected to the shifting mechanism (2) and used for supporting the detection components (51).

2. A thread detecting device according to claim 1, wherein the transferring mechanism (2) comprises a first lead screw sliding mechanism (21) fixedly connected to the base (1) along both sides of the short side direction for driving the detecting mechanism (5) to move along the short side direction of the base (1), and a second lead screw sliding mechanism (22) arranged on the first lead screw sliding mechanism (21) for driving the detecting mechanism (5) to move along the long side direction of the base (1).

3. A thread detecting device according to claim 2, wherein the detecting assembly (51) comprises a screw lifting mechanism (511) fixedly connected to the second screw sliding mechanism (22) and a mounting base (512) fixedly connected to the screw lifting mechanism (511), one end of the mounting base (512) is fixedly connected with a first torsion detecting assembly (513) which is lifted along with the mounting base (512) so as to detect the thread, and one end of the mounting base (512) close to the first torsion detecting assembly (513) is fixedly connected with a second torsion detecting assembly (514) which is lifted actively so as to detect the thread.

4. A thread detecting device according to claim 3, wherein the first torque detecting assembly (513) comprises a first mounting plate (5131) fixedly connected to the mounting base (512) and a first torque detecting motor (5132) slidably connected to the first mounting plate (5131) based on a sliding rail for driving a detecting bolt to rotate and detecting a screwing-in torque, and a first height adjusting cylinder (5133) is disposed on the first mounting plate (5131) for adjusting the height of the first torque detecting motor (5132) relative to the base (1).

5. A thread sensing device according to claim 3, wherein the second torsion detecting member (514) comprises a second mounting plate (5141) slidably connected to the mounting base (512) based on a sliding rail and a second mounting plate (5141) slidably connected to the second mounting plate based on a sliding rail, a second torque detection motor (5142) for driving the detection bolt to rotate and detecting the screwing torque, the mounting base (512) is fixedly connected with a lifting cylinder (5143) for driving the second mounting plate (5141) to lift, two ends of the mounting base (512) along the vertical direction are provided with blocking blocks (5144) used for limiting the lifting position of the second mounting plate (5141), and a second height adjusting cylinder (5145) for adjusting the height of the second torsion detection motor (5142) relative to the base (1) is arranged on the second mounting plate (5141).

6. The thread detection device according to claim 1, wherein the fixing tool (3) comprises a tool seat (31), a plurality of accommodating grooves (32) fixedly connected to the tool seat (31) and used for accommodating the threaded part to be detected, and positioning pins (33) arranged in the accommodating grooves (32) and used for positioning the threaded part to be detected, and a positioning and pressing assembly (34) used for positioning and pressing the threaded part to be detected is arranged on the tool seat (31).

7. The thread detecting device according to claim 6, wherein the rotating mechanism (4) comprises a rotating base (41) fixedly connected to two ends of the base (1) for driving and supporting the fixed tool (3), one end of the rotating base (41) is rotatably connected to a rotating shaft (42) fixedly connected to the tool base (31), and a motor assembly (43) for driving the rotating shaft (42) to rotate is fixedly connected to the rotating base (41).

8. The thread detecting device according to claim 7, wherein a photoelectric sensing assembly (6) for detecting the rotation angle of the fixed tool (3) is arranged at one end of the rotating base (41) far away from the motor assembly (43), and the photoelectric sensing assembly (6) comprises a sensing plate (61) fixedly connected to the rotating shaft (42) and a photoelectric sensing sensor (62) for detecting the rotation angle of the sensing plate (61).

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