Threaded go-no go gauge detection device

Abstract

The utility model provides a thread go-no go gauge detection device, and relates to the technical field of thread detection. The thread go-no go gauge detection device comprises a first detection module, a second detection module and a third detection module, the output end of the first detection module is provided with a floating assembly, the lower end face of a fixed handle is slidably clamped with a transmission block, the lower end face of the transmission block is slidably clamped with a floating head, and one end of the floating head is fixedly connected with a thread gauge. The fixed handle is movably sleeved with a limiting shell, a base is arranged at the bottom end of the limiting shell, the floating head is sleeved with the base, the floating head can slide on the transmission block and can slide on the fixed handle through the transmission block, and the sliding directions of the floating head and the transmission block are perpendicular to each other; and when the thread gauge rotates in the threaded hole, the floating assembly can shake back and forth and left and right, so that the contact between the thread gauge and the threaded hole is flexible, the accuracy of torsion detection is ensured to a certain extent, and then the accuracy of the detection result of the thread go-no go gauge is ensured.

Description

Technical Field

[0001] The present application relates to the technical field of thread detection, and in particular to a thread go / no-go gauge detection device. Background Art

[0002] In actual production, after the threaded holes on the product are opened, they need to be tested with a go / no-go gauge. In the prior art, when testing the threaded holes with a go / no-go gauge, a customized thread gauge is often used to rotate into the threaded hole to observe the displacement of the go / no-go gauge to determine whether the threaded hole is qualified.

[0003] However, the contact between the customized thread gauge and the threaded hole is often rigid contact, which cannot guarantee the torque accuracy of the thread gauge, and thus cannot guarantee the accuracy of the thread go / no-go gauge detection results. Utility Model Content

[0004] The present application aims to solve at least one of the technical problems existing in the prior art. To this end, the present application proposes a thread gauge detection device, which aims to improve the problem that the existing thread gauge detection device cannot guarantee the accuracy of the thread gauge detection result because the contact between the thread gauge and the threaded hole is rigid contact.

[0005] The present application proposes a thread go / no-go gauge detection device, which includes a first detection module, a second detection module and a third detection module with the same detection principle, as well as a conveying member and a workpiece.

[0006] The output end of the first detection module is provided with a floating component, the floating component comprises a fixed handle fixedly connected to the output end of the first detection module, a transfer block is slidably connected to the lower end surface of the fixed handle, a floating head is slidably connected to the lower end surface of the transfer block, and the two sliding directions are at right angles, and a thread gauge is fixedly connected to the end of the floating head away from the transfer block;

[0007] A limiting shell is movably sleeved on the fixed handle, and a base is detachably provided on the bottom end of the limiting shell, and the base is sleeved on the floating head.

[0008] According to the thread go / no-go gauge detection device of the embodiment of the present application, the beneficial effect is: the threaded holes at corresponding positions of the workpiece are respectively detected by using the thread gauges connected to the first detection module, the second detection module and the third detection module; during the detection process, the floating head can slide on the transfer block and on the fixed handle through the transfer block, and the sliding directions are at right angles to each other, so when the thread gauge rotates in the threaded hole, the floating assembly can shake back and forth and left and right, so that the contact between the thread gauge and the threaded hole is flexible, which ensures the accuracy of the torque detection to a certain extent, and thus the accuracy of the thread go / no-go gauge detection result can be guaranteed to a certain extent.

[0009] In addition, the thread go / no-go gauge detection device according to the embodiment of the present application also has the following additional technical features:

[0010] In some specific embodiments of the present application, the first detection module includes a bracket, a slide rail is fixedly connected to one side of the bracket, a lifting cylinder is fixedly connected to the other side of the bracket, a servo motor is fixedly connected to the bracket, and an output end of the servo motor is connected to the fixed handle.

[0011] In some specific embodiments of the present application, a lifting block is fixedly connected to the telescopic end of the lifting cylinder, and the lifting block is slidably connected to the slide rail.

[0012] In some specific embodiments of the present application, the output end of the servo motor is keyed to an output shaft, a sleeve is keyed to the output shaft, a fixing block is fixed to the sleeve, and the fixing block and the slide rail are slidably matched.

[0013] In some specific embodiments of the present application, the fixing block and the lifting block are fixedly connected.

[0014] In some specific embodiments of the present application, the fixing handle is fixedly connected to an end of the sleeve away from the output shaft, and a first convex strip is provided on the lower end surface of the fixing handle;

[0015] The two end surfaces of the transmission block are provided with cross grooves, wherein the first convex strip is slidably matched with the cross grooves on the adjacent end surfaces of the transmission block;

[0016] The upper end surface of the floating head is provided with a second convex strip, and the second convex strip is slidably matched with the cross groove on the adjacent end surface of the transfer block.

[0017] In some specific embodiments of the present application, the inner diameter of the limiting shell is larger than the outer diameters of the fixed handle, the transfer block and the floating head, wherein the outer diameters of the fixed handle, the transfer block and the floating head are the same.

[0018] In some specific embodiments of the present application, the thread gauge includes a thread go gauge and a thread stop gauge. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] In order to more clearly illustrate the technical solutions of the implementation methods of the present application, the drawings required for use in the implementation methods will be briefly introduced below. It should be understood that the following drawings only show certain embodiments of the present application and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other related drawings can be obtained based on these drawings without paying creative work.

[0020] Figure 1 It is a schematic diagram of the overall structure of a thread go / no-go gauge detection device according to an embodiment of the present application;

[0021] Figure 2 It is a partial structural schematic diagram of a thread go / no-go gauge detection device according to an embodiment of the present application;

[0022] Figure 3 is a structural exploded diagram of a first detection module according to an embodiment of the present application;

[0023] Figure 4 It is a structural exploded diagram of a floating assembly according to an embodiment of the present application.

[0024] Icons: 1. First detection module; 11. Bracket; 12. Slide rail; 13. Lifting cylinder; 131. Lifting block; 14. Servo motor; 141. Output shaft; 142. Bushing; 143. Fixed block; 15. Floating assembly; 151. Fixed handle; 152. Transfer block; 153. Floating head; 154. First convex strip; 155. Cross groove; 156. Second convex strip; 157. Limit shell; 158. Base; 2. Second detection module; 3. Third detection module; 4. Conveying part; 5. Workpiece; 6. Thread gauge; 61. Thread go gauge; 62. Thread stop gauge. DETAILED DESCRIPTION

[0025] In order to make the purpose, technical solutions and advantages of the implementation methods of this application clearer, the technical solutions in the implementation methods of this application will be clearly and completely described below in conjunction with the drawings in the implementation methods of this application. Obviously, the described implementation methods are part of the implementation methods of this application, not all of the implementation methods. Based on the implementation methods in this application, all other implementation methods obtained by ordinary technicians in this field without creative work are within the scope of protection of this application.

[0026] like Figure 1-Figure 4 As shown, according to the embodiment of the present application, the thread through-and-stop gauge detection device comprises a first detection module 1, a second detection module 2 and a third detection module 3 with the same principle for detection, as well as a conveying member 4 and a workpiece 5, wherein a floating component 15 is provided at the output end of the first detection module 1, and the floating component 15 comprises a fixed handle 151 fixedly connected to the output end of the first detection module 1, and a transfer block 152 is slidably clamped on the lower end surface of the fixed handle 151, and a floating head 153 is slidably clamped on the lower end surface of the transfer block 152, and the two sliding directions are at right angles, and a thread gauge 6 is fixedly connected to the end of the floating head 153 away from the transfer block 152.

[0027] A limiting shell 157 is movably sleeved on the fixed handle 151, and a base 158 is detachably provided on the bottom end of the limiting shell 157. The base 158 is sleeved on the floating head 153, wherein the base 158 is movably sleeved on the floating head 153 to limit the floating head 153 axially, so that the floating head 153 can be displaced to a certain extent in the radial direction.

[0028] It should be noted that the use principles of the multiple first detection modules 1, the second detection modules 2 and the third detection modules 3 are the same, and they can all rotate the thread gauge 6 and move it along the axial direction of the thread gauge 6 to complete the thread gauge detection work.

[0029] Furthermore, the first detection module 1 includes a bracket 11 , a slide rail 12 is fixedly connected to one side of the bracket 11 , a lifting cylinder 13 is fixedly connected to the other side of the bracket 11 , a servo motor 14 is fixedly connected to the bracket 11 , and an output end of the servo motor 14 is connected to the fixed handle 151 .

[0030] Furthermore, a lifting block 131 is fixedly connected to the telescopic end of the lifting cylinder 13 , and the lifting block 131 is slidably connected to the slide rail 12 .

[0031] Furthermore, the output end of the servo motor 14 is key-connected with an output shaft 141 , a sleeve 142 is key-connected on the output shaft 141 , a fixing block 143 is fixedly connected to the sleeve 142 , and the fixing block 143 and the slide rail 12 are slidably matched.

[0032] Furthermore, the fixing block 143 and the lifting block 131 are fixedly connected.

[0033] Thus, the lifting cylinder 13 can drive the fixing block 143 to synchronously displace on the slide rail 12 through the lifting block 131 , and further drive the shaft sleeve 142 to axially displace on the output shaft 141 .

[0034] Furthermore, the fixing handle 151 is fixed to one end of the sleeve 142 away from the output shaft 141 , and a first convex strip 154 ​​is provided on the lower end surface of the fixing handle 151 ;

[0035] like Figure 4 As shown, cross grooves 155 are provided on the two end surfaces of the transmission block 152, wherein the first convex strip 154 ​​and the cross grooves 155 on the adjacent end surfaces of the transmission block 152 are slidably matched;

[0036] The upper end surface of the floating head 153 is provided with a second convex strip 156 , and the second convex strip 156 is slidably matched with the cross groove 155 on the adjacent end surface of the transfer block 152 .

[0037] In this way, the floating head 153 can be laterally displaced on the transfer block 152 . At the same time, the floating head 153 can drive the transfer block 152 to be laterally displaced on the fixed handle 151 in a direction perpendicular to the displacement direction of the floating head 153 on the transfer block 152 (in a cross shape).

[0038] Furthermore, the inner diameter of the limiting shell 157 is larger than the outer diameters of the fixed handle 151, the transfer block 152 and the floating head 153, wherein the outer diameters of the fixed handle 151, the transfer block 152 and the floating head 153 are the same, so that the floating head 153 or the floating head 153 and the transfer block 152 can be displaced forward, backward, left and right in the limiting shell 157.

[0039] Furthermore, the thread gauge 6 includes a thread go gauge 61 and a thread stop gauge 62 , so as to perform corresponding go and stop gauge inspections on the threaded holes on the workpiece 5 .

[0040] Specifically, the servo motor 14 can drive the thread gauge 6 fixed to the floating assembly 15 to rotate axially through the output shaft 141 and the sleeve 142, and the lifting cylinder 13 can drive the thread gauge 6 to move radially through the sleeve 142, so that the thread gauge 6 can rotate in the threaded hole. Since the sleeve 142 and the output shaft 141 are in a sliding key connection relationship, the thread gauge 6 can be screwed into the threaded hole. In the process of the thread gauge 6 being screwed into the threaded hole, the floating head 153 can be laterally displaced on the transfer block 152. At the same time, the floating head 153 can drive the transfer block 152 to make a lateral displacement (cross-shaped) on the fixed handle 151 that is perpendicular to the displacement direction of the floating head 153 on the transfer block 152. The floating head 153 is fixed to the thread gauge 6, so the front, back, left and right shaking of the floating head 153 makes the thread gauge 6 and the threaded hole in flexible contact, thereby ensuring the accuracy of the torque detection as much as possible, and then the accuracy of the thread through gauge detection result can be guaranteed to a certain extent.

[0041] It should be noted that the specific models and specifications of the slide rail 12, lifting cylinder 13, servo motor 14, conveying member 4, thread go gauge 61 and thread stop gauge 62 need to be selected and determined according to the actual specifications of the device, etc. The specific selection and calculation method adopts the existing technology in this field, so it will not be described in detail.

[0042] The above are only preferred implementations of the present application and are not intended to limit the present application. For those skilled in the art, the present application may have various modifications and variations. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A thread go / no-go gauge detection device, comprising a plurality of first detection modules (1), a second detection module (2) and a third detection module (3) for detection with the same principle, as well as a conveying member (4) and a workpiece (5), characterized in that: The output end of the first detection module (1) is provided with a floating component (15), the floating component (15) comprises a fixed handle (151) fixedly connected to the output end of the first detection module (1), the lower end surface of the fixed handle (151) is slidably engaged with a transfer block (152), the lower end surface of the transfer block (152) is slidably engaged with a floating head (153), and the two sliding directions are at right angles, and the end of the floating head (153) away from the transfer block (152) is fixedly connected with a thread gauge (6); A limiting shell (157) is movably sleeved on the fixed handle (151), and a base (158) is detachably provided at the bottom end of the limiting shell (157), and the base (158) is sleeved on the floating head (153).

2. The thread go / no-go gauge detection device according to claim 1, characterized in that: The first detection module (1) comprises a bracket (11), a slide rail (12) is fixedly connected to one side of the bracket (11), a lifting cylinder (13) is fixedly connected to the other side of the bracket (11), a servo motor (14) is fixedly connected to the bracket (11), and an output end of the servo motor (14) is connected to the fixed handle (151).

3. The thread go / no-go gauge detection device according to claim 2, characterized in that: A lifting block (131) is fixedly connected to the telescopic end of the lifting cylinder (13), and the lifting block (131) is slidably connected to the slide rail (12).

4. The thread go / no-go gauge detection device according to claim 3, characterized in that: The output end of the servo motor (14) is key-connected to an output shaft (141), a sleeve (142) is key-connected to the output shaft (141), a fixing block (143) is fixed to the sleeve (142), and the fixing block (143) and the slide rail (12) are in sliding cooperation.

5. The thread go / no-go gauge detection device according to claim 4, characterized in that: The fixed block (143) and the lifting block (131) are fixedly connected.

6. The thread go / no-go gauge detection device according to claim 5, characterized in that: The fixing handle (151) is fixedly connected to an end of the shaft sleeve (142) away from the output shaft (141), and a first convex strip (154) is provided on the lower end surface of the fixing handle (151); Cross grooves (155) are provided on two end surfaces of the transmission block (152), wherein the first convex strip (154) and the cross grooves (155) on the adjacent end surfaces of the transmission block (152) are slidably matched; The upper end surface of the floating head (153) is provided with a second convex strip (156), and the second convex strip (156) is slidably matched with the cross groove (155) on the adjacent end surface of the transfer block (152).

7. The thread go / no-go gauge detection device according to claim 1, characterized in that: The inner diameter of the limiting shell (157) is greater than the outer diameters of the fixed handle (151), the transmission block (152) and the floating head (153), wherein the outer diameters of the fixed handle (151), the transmission block (152) and the floating head (153) are the same.

8. The thread go / no-go gauge detection device according to claim 1, characterized in that: The thread gauge (6) comprises a thread through gauge (61) and a thread stop gauge (62).

Images