Precision part excircle groove diameter detector

Abstract

The utility model discloses a precise part excircle groove diameter detector, which relates to the technical field of workpiece processing detection, and comprises a base, a detection platform, a left probe, a right probe and a dial indicator, the detection platform is installed between a left installation block and a right installation block on the base through a supporting assembly, the left probe is installed on the left installation block through a measuring ejector rod assembly, and the right probe is installed on the right installation block through a measuring ejector rod assembly. The right measuring needle is installed on the right installation block through a gauge rod ejector rod assembly, the gauge rod ejector rod assembly comprises a gauge rod ejector rod, a gauge rod ejector rod wrench, a wrench positioning pin, a gauge rod ejector rod pin and a spring, a wrench containing groove is formed in the middle of the right installation block, and the gauge rod ejector rod slidably penetrates through the left side of the wrench containing groove in the left-right direction; the right measuring needle is fixed at the left end of the gauge rod top rod; the gauge rod ejector rod wrench is arranged in the wrench containing groove through the wrench positioning pin, and the gauge rod ejector rod pin is arranged at the right end of the gauge rod ejector rod in a penetrating mode and fixedly connected with the gauge rod ejector rod wrench. The dial indicator is fixed on the right mounting block; and the spring sleeves the measuring end of the dial indicator.

Description

TECHNICAL FIELD

[0001] The utility model relates to work piece processing detection technical field, in particular to a kind of precise parts outer circle groove diameter detector. BACKGROUND

[0002] For the diameter detection of outer circle groove of ordinary workpiece, usually using micrometer or optical detector can be realized. However, when workpiece outer circle has protruding interference site, and has multiple grooves, only through optical detector cannot be measured, and micrometer can be measured but low efficiency, can not keep up with production rhythm, cannot meet the processing detection needs of large quantities of workpieces. UTILITY MODEL CONTENTS

[0003] The utility model discloses a kind of precise parts outer circle groove diameter detector, to solve the problems of above-mentioned related technology, the outer circle groove diameter of measured workpiece can be quickly and accurately detected.

[0004] To achieve the above object, the utility model provides the following scheme:

[0005] The utility model provides a kind of precise parts outer circle groove diameter detector, including base, detection platform, left measuring needle, right measuring needle and micrometer, left mounting block and right mounting block are provided on the base, the detection platform is installed between the left mounting block and the right mounting block by supporting component, the detection platform is used to place measured workpiece, the supporting component can adjust the left and right positions and height of the detection platform;

[0006] The left measuring needle is installed on the left mounting block by measuring top rod component, and the measuring top rod component can adjust the left and right positions of the left measuring needle, so that the right end of the left measuring needle is in contact with the left side of the measured workpiece;

[0007] The right measuring needle is installed on the right mounting block through a dial rod top rod assembly, the dial rod top rod assembly comprises a dial rod top rod, a dial rod top rod wrench, a wrench positioning pin, a dial rod top rod pin and a spring, a middle part of the right mounting block is provided with a wrench containing groove, the dial rod top rod is slidably arranged in the left side of the wrench containing groove, the right measuring needle is fixed to the left end of the dial rod top rod, and the left end of the right measuring needle can contact the right side of the measured workpiece; the dial rod top rod wrench is arranged in the wrench containing groove through the wrench positioning pin and is located below the right end of the dial rod top rod, the dial rod top rod pin is arranged in the right end of the dial rod top rod and is fixedly connected with the dial rod top rod wrench; the dial gauge is fixed on the right mounting block, the measuring rod of the dial gauge is arranged in the right side of the wrench containing groove from right to left, and the right end of the dial rod top rod abuts against the right end of the dial rod top rod, the spring is sleeved on the measuring end of the dial gauge, the left end of the spring abuts against the dial rod top rod pin, and the right end of the spring abuts against the right side wall of the wrench containing groove.

[0008] Preferably, the dial rod top rod assembly further comprises a dial rod top rod sliding sleeve and a sliding sleeve top screw, a top part of the right mounting block is provided with a dial rod top rod mounting hole penetrating in the left side of the wrench containing groove along the left-right direction, the dial rod top rod sliding sleeve is fixed in the dial rod top rod mounting hole through the sliding sleeve top screw, and the dial rod top rod is slidably arranged in the dial rod top rod sliding sleeve.

[0009] Preferably, a top part of the right mounting block is provided with a dial gauge mounting hole penetrating along the left-right direction at a position in the right side of the wrench containing groove, an open sleeve is arranged in the dial gauge mounting hole, the measuring rod of the dial gauge is arranged in the open sleeve, and the measuring rod of the dial gauge is fixed in the dial gauge mounting hole through an open sleeve top screw.

[0010] Preferably, the measuring top rod assembly comprises a measuring top rod outer sleeve, a measuring top rod screw rod, a measuring top rod inner sleeve and an inner sleeve top screw, a top part of the left mounting block is provided with a measuring top rod mounting hole penetrating along the left-right direction, and the measuring top rod outer sleeve is fixed in the measuring top rod mounting hole; the measuring top rod screw rod and the measuring top rod inner sleeve are sequentially arranged in the measuring top rod outer sleeve from left to right, the left end of the measuring top rod screw rod is rotationally connected with the left end of the measuring top rod outer sleeve, the right end of the measuring top rod screw rod is arranged in the left end of the measuring top rod inner sleeve and is threadedly connected with the left end of the measuring top rod inner sleeve, the right end of the measuring top rod inner sleeve is fixedly connected with the left measuring needle, when the measuring top rod screw rod is rotated, the measuring top rod inner sleeve can drive the left measuring needle to move leftward and rightward, and when the rotation of the measuring top rod screw rod is stopped, the measuring top rod inner sleeve can be fixed in the measuring top rod outer sleeve through the inner sleeve top screw.

[0011] Preferably, a groove is arranged on the top outer wall of the measuring ejector rod inner sleeve, the groove extends along the left-right direction, the inner sleeve screw is vertically arranged on the left mounting block and can penetrate the side wall of the measuring ejector rod mounting hole and the measuring ejector rod outer sleeve and is clamped with the groove of the measuring ejector rod inner sleeve.

[0012] Preferably, the measuring ejector rod assembly further comprises an outer sleeve fixing bolt, a horizontal through groove is further arranged on the left mounting block, the horizontal through groove is located on one side of the measuring ejector rod mounting hole and communicates with the measuring ejector rod mounting hole, the outer sleeve fixing bolt is vertically arranged on the left mounting block and can penetrate the horizontal through groove, and when the outer sleeve fixing bolt is tightened, the measuring ejector rod outer sleeve can be fixedly extruded with the measuring ejector rod mounting hole.

[0013] Preferably, the measuring ejector rod assembly further comprises a measuring ejector rod plug, a left end of the measuring ejector rod outer sleeve is provided with an inner ring groove, a left end of the measuring ejector rod screw rod is provided with an outer clasp, the outer clasp is rotationally connected in the inner ring groove, and the measuring ejector rod plug is sleeved on the left end of the measuring ejector rod screw rod and is threadedly connected with the left side of the inner ring groove of the measuring ejector rod outer sleeve.

[0014] Preferably, the support assembly comprises a support base, a left ejector rod, a right ejector rod and a platform screw, the support base is arranged between the left mounting block and the right mounting block, a left ejector rod mounting hole is arranged on the lower part of the left mounting block along the left-right direction, the left ejector rod is threadedly connected in the left ejector rod mounting hole and the right end of the left ejector rod can abut against the left side of the support base, a right ejector rod mounting hole is arranged on the lower part of the right mounting block along the left-right direction, the right ejector rod is threadedly connected in the right ejector rod mounting hole and the left end of the right ejector rod can abut against the right side of the support base, a vertical hole is arranged on the support base, the detection platform is in a columnar structure, the detection platform can be inserted in the vertical hole of the support base and is fixed in the vertical hole through the platform screw.

[0015] Preferably, the spring is a variable-diameter spring, the small-diameter end of the spring abuts against the ejector rod pin, and the large-diameter end of the spring abuts against the right side wall of the wrench accommodating groove.

[0016] Preferably, the dial indicator is a digital display thickness dial indicator.

[0017] Compared with the related art, the utility model discloses the following technical effects:

[0018] The precision part outer circle groove diameter detector provided by the utility model, which comprises a base, a detection platform, a left measuring needle, a right measuring needle and a micrometer, wherein the detection platform is installed between the left mounting block and the right mounting block of the base through a supporting assembly, the left measuring needle is installed on the left mounting block through a measuring top rod assembly, and the right measuring needle is installed on the right mounting block through a table rod top rod assembly; before use, a standard workpiece serving as a standard measuring tool is placed on the detection platform, the left and right positions and the height of the detection platform are adjusted through the supporting assembly, the measured part of the standard workpiece is consistent with the height of the left measuring needle and the right measuring needle, the left measuring needle is in contact with the left side of the standard workpiece through the measuring top rod assembly, meanwhile, the right measuring needle is in contact with the right side of the standard workpiece through the table rod top rod assembly, the standard workpiece is used to set the micrometer to zero, and then the micrometer can be used; when in use, the table rod top rod wrench is pulled to make the right measuring needle slide to the right, the measured workpiece is placed on the detection platform, the left and right positions and the height of the detection platform are adjusted through the supporting assembly, the measured part of the measured workpiece is consistent with the height of the left measuring needle and the right measuring needle, the table rod top rod wrench is loosened, the left measuring needle and the right measuring needle are in contact with the left side and the right side of the measured workpiece respectively, and whether the numerical change of the micrometer is within the required tolerance range is observed, so that whether the size of the measured workpiece is qualified can be judged, and the rapid and accurate detection of the outer circle groove diameter of the measured workpiece is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] In order to more clearly illustrate the technical scheme in the embodiments of the utility model or related technologies, the drawings needed to be used in the embodiments will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the utility model, and other drawings can be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0020] Figure 1 The schematic diagram of the precision part outer circle groove diameter detector provided by the embodiments of the utility model is shown in the figure.

[0021] Figure 2 The front view of the precision part outer circle groove diameter detector provided by the embodiments of the utility model is shown in the figure.

[0022] Figure 3 The top view of the precision part outer circle groove diameter detector provided by the embodiments of the utility model is shown in the figure.

[0023] Figure 4 The Figure 3 The A-A sectional view in the figure.

[0024] In the figure: 01 - measured workpiece, 1 - base, 101 - left mounting block, 102 - right mounting block, 2 - detection platform, 3 - left measuring needle, 4 - right measuring needle, 5 - micrometer, 501 - open sleeve, 502 - open sleeve top screw, 6 - support assembly, 601 - support seat, 602 - left top rod, 603 - right top rod, 604 - platform top screw, 7 - measuring top rod assembly, 701 - measuring top rod outer sleeve, 702 - measuring top rod screw, 703 - measuring top rod inner sleeve, 704 - inner sleeve top screw, 705 - outer sleeve fixing bolt, 706 - measuring top rod plug, 8 - gauge rod top rod assembly, 801 - gauge rod top rod, 802 - gauge rod top rod wrench, 803 - wrench positioning pin, 804 - gauge rod top rod pin, 805 - spring, 806 - gauge rod top rod sliding sleeve, 807 - sliding sleeve top screw. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings of the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0026] The utility model discloses a kind of precise parts outer circle groove diameter detectors, to solve the problems of related technologies, can be measured workpiece's outer circle groove diameter is rapidly accurately detected.

[0027] To make the above-mentioned purposes, features and advantages of the utility model more obvious and easy to understand, the utility model will be further described in detail below in conjunction with the drawings and specific embodiments.

[0028] As Figures 1-4 Indicated, the embodiment provides a kind of precise parts outer circle groove diameter detector, including base 1, detection platform 2, left measuring needle 3, right measuring needle 4 and micrometer 5, base 1 is provided with left mounting block 101 and right mounting block 102, detection platform 2 is installed between left mounting block 101 and right mounting block 102 by support assembly 6, detection platform 2 is used to place measured workpiece 01, support assembly 6 can adjust the left and right positions and height of detection platform 2.

[0029] Further, the support assembly 6 comprises a support base 601, a left top rod 602, a right top rod 603 and a platform top screw 604. The support base 601 is arranged between the left mounting block 101 and the right mounting block 102. The lower part of the left mounting block 101 is provided with a left top rod mounting hole in the left-right direction. The left top rod 602 is threadedly connected in the left top rod mounting hole, and the right end of the left top rod 602 can abut against the left side of the support base 601. The lower part of the right mounting block 102 is provided with a right top rod mounting hole in the left-right direction. The right top rod 603 is threadedly connected in the right top rod mounting hole, and the left end of the right top rod 603 can abut against the right side of the support base 601. The support base 601 is provided with a vertical hole. The detection platform 2 is in a columnar structure, and can be inserted into the vertical hole of the support base 601 and fixed in the vertical hole by the platform top screw 604. In use, the support base 601 is moved to the appropriate position left and right by adjusting and tightening the left top rod 602 and the right top rod 603, and is fixed on the base 1. After adjusting the detection platform 2 to the appropriate height up and down, the platform top screw 604 is tightened through the threaded hole on the side of the support base 601.

[0030] It should be noted that the left top rod 602 in the embodiment is preferably a long screw rod, and the right top rod 603 is composed of a shorter slide rod and a top rod screw. The slide rod and the top rod screw are sequentially arranged in the right top rod mounting hole from left to right, and the top rod screw is threadedly connected in the right top rod mounting hole. When the top rod screw is tightened, the left end of the slide rod can abut against the right side of the support base 601. The right top rod 603 with a split design saves space and is convenient for avoiding the dial head of the micrometer 5 arranged on the right mounting block 102.

[0031] In the embodiment, the left measuring needle 3 is installed on the left mounting block 101 by the measuring top rod assembly 7, and the measuring top rod assembly 7 can adjust the left-right position of the left measuring needle 3, so that the right end of the left measuring needle 3 is in contact with the left side of the measured workpiece 01.

[0032] Further, the measuring top rod assembly 7 comprises a measuring top rod outer sleeve 701, a measuring top rod screw rod 702, a measuring top rod inner sleeve 703 and an inner sleeve top screw 704. The upper part of the left mounting block 101 is provided with a measuring top rod mounting hole in the left-right direction, and the measuring top rod outer sleeve 701 is fixed in the measuring top rod mounting hole. The measuring top rod screw rod 702 and the measuring top rod inner sleeve 703 are sequentially arranged in the measuring top rod outer sleeve 701 from left to right. The left end of the measuring top rod screw rod 702 is rotationally connected with the left end of the measuring top rod outer sleeve 701. The right end of the measuring top rod screw rod 702 is arranged in the left end of the measuring top rod inner sleeve 703 and is threadedly connected therewith. The right end of the measuring top rod inner sleeve 703 is fixedly connected with the left measuring needle 3. When the measuring top rod screw rod 702 is rotated, the measuring top rod inner sleeve 703 can drive the left measuring needle 3 to move left and right. When the rotation of the measuring top rod screw rod 702 is stopped, the measuring top rod inner sleeve 703 can be fixed in the measuring top rod outer sleeve 701 by the inner sleeve top screw 704.

[0033] In the embodiment, the top outer wall of the measuring ejector rod inner sleeve 703 is provided with a groove extending in the left-right direction, the inner sleeve top screw 704 is vertically arranged on the left mounting block 101 and can penetrate the side wall of the measuring ejector rod mounting hole and the measuring ejector rod outer sleeve 701 and be clamped with the groove of the measuring ejector rod inner sleeve 703.

[0034] In the embodiment, the measuring ejector rod assembly 7 further comprises an outer sleeve fixing bolt 705, the left mounting block 101 is further provided with a horizontal through groove located on one side of the measuring ejector rod screw 702 mounting hole and communicating with the same, and the outer sleeve fixing bolt 705 is vertically arranged on the left mounting block 101 and can penetrate the horizontal through groove, so that when the outer sleeve fixing bolt 705 is tightened, the measuring ejector rod outer sleeve 701 can be extruded and fixed with the measuring ejector rod screw 702 mounting hole.

[0035] In the embodiment, the measuring ejector rod assembly 7 further comprises a measuring ejector rod plug 706, the left end of the measuring ejector rod outer sleeve 701 is provided with an inner ring groove, the left end of the measuring ejector rod screw 702 is provided with an outer clamping ring, the outer clamping ring is rotationally connected in the inner ring groove, and the measuring ejector rod plug 706 is sleeved on the left end of the measuring ejector rod screw 702 and is threadedly connected with the left side of the inner ring groove of the measuring ejector rod outer sleeve 701; specifically, the outer sleeve fixing bolt 705 in the embodiment is preferably a cylindrical head internal angle bolt, and the inner sleeve top screw 704 is preferably a inner hexagonal top screw; during assembly, the measuring ejector rod outer sleeve 701 is fixed on the left mounting block 101 by the cylindrical head internal angle bolt, the measuring ejector rod inner sleeve 703 is pushed into the measuring ejector rod outer sleeve 701, the groove of the measuring ejector rod inner sleeve 703 is aligned upward with the inner hexagonal top screw, the inner hexagonal top screw is rotated to clamp the groove of the measuring ejector rod inner sleeve 703, the measuring ejector rod screw 702 is screwed into the measuring ejector rod inner sleeve 703, and the measuring ejector rod plug 706 is tightened.

[0036] In the embodiment, the right measuring needle 4 is installed on the right mounting block 102 through the dial rod lifting rod assembly 8, the dial rod lifting rod assembly 8 includes a dial rod lifting rod 801, a dial rod lifting rod wrench 802, a wrench positioning pin 803, a dial rod lifting rod pin 804 and a spring 805, the middle part of the right mounting block 102 is provided with a wrench containing groove, the dial rod lifting rod 801 slides through the left side of the wrench containing groove along the left-right direction, the right measuring needle 4 is fixed to the left end of the dial rod lifting rod 801, and the left end of the right measuring needle 4 can contact the right side of the measured workpiece 01; the dial rod lifting rod wrench 802 is arranged in the wrench containing groove through the wrench positioning pin 803 and is located below the right end of the dial rod lifting rod 801, the dial rod lifting rod pin 804 is arranged in the right end of the dial rod lifting rod 801 and is fixedly connected with the dial rod lifting rod wrench 802; the dial gauge 5 is fixed on the right mounting block 102, and the measuring rod of the dial gauge 5 is arranged through the right side of the wrench containing groove from right to left and abuts against the right end of the dial rod lifting rod 801, the spring 805 is sleeved on the measuring end of the dial gauge 5, and the left end of the spring 805 abuts against the dial rod lifting rod pin 804 and the right end of the spring 805 abuts against the right side wall of the wrench containing groove; specifically, the spring 805 in the embodiment is preferably a variable diameter spring, the left end of the spring 805 is a small diameter end, and the right end of the spring 805 is a large diameter end.

[0037] Further, the dial rod lifting rod assembly 8 further includes a dial rod lifting rod sliding sleeve 806 and a sliding sleeve lifting pin 807, the upper part of the right mounting block 102 is penetrated by a dial rod lifting rod mounting hole along the left-right direction at a position on the left side of the wrench containing groove, the dial rod lifting rod sliding sleeve 806 is fixed in the dial rod lifting rod mounting hole through the sliding sleeve lifting pin 807, and the dial rod lifting rod 801 is arranged to slide in the dial rod lifting rod sliding sleeve 806.

[0038] In the embodiment, the upper part of the right mounting block 102 is penetrated by a dial gauge mounting hole along the left-right direction at a position on the right side of the wrench containing groove, an open sleeve 501 is arranged in the dial gauge mounting hole, the measuring rod of the dial gauge 5 is arranged in the open sleeve 501 and is fixed in the dial gauge mounting hole through an open sleeve lifting pin 502; specifically, the dial gauge 5 in the embodiment is preferably a digital display thickness dial gauge; during assembly, the dial rod lifting rod wrench 802 is pinned to the base 1 through the wrench positioning pin 803, the dial rod lifting rod sliding sleeve 806 is fixed in the dial rod lifting rod mounting hole through the sliding sleeve lifting pin 807, the dial rod lifting rod 801 is placed in the dial rod lifting rod sliding sleeve 806, the dial rod lifting rod 801 is connected with the dial rod lifting rod wrench 802 through the dial rod lifting rod pin 804, the variable diameter spring is placed, the open sleeve 501 is placed in the dial gauge mounting hole, the dial gauge 5 and the open sleeve 501 are locked through the open sleeve lifting pin 502, and the left measuring needle 3 and the right measuring needle 4 are respectively fixed on the measuring lifting rod inner sleeve 703 and the dial rod lifting rod 801.

[0039] The use process of the precise part outer circle groove diameter detector provided in the embodiment is as follows:

[0040] Before use, the standard workpiece as a standard gauge is placed on the detection platform 2, the left top rod 602 and the right top rod 603 are screwed, the left and right positions of the detection platform 2 are adjusted to the appropriate positions, the left top rod 602 and the right top rod 603 are locked, the detection platform 2 is lifted to the appropriate height, the detection platform 2 is fixed through the platform top wire 604, the measured part of the standard workpiece is consistent with the height of the left measuring needle 3 and the right measuring needle 4, the measuring top rod screw 702 is screwed, the left measuring needle 3 is in contact with the left side of the standard workpiece, at the same time, the right measuring needle 4 is in contact with the right side of the standard workpiece, the inner sleeve top wire 704 is locked, the position of the left measuring needle 3 is fixed, the standard workpiece is used to the table, the dial gauge 5 is zeroed, and then the dial gauge 5 can be used; when in use, the dial lever top rod wrench 802 is pulled, the right measuring needle 4 slides to the right, the measured workpiece 01 is placed on the detection platform 2, the left and right positions and the height of the detection platform 2 are adjusted through the left top rod 602, the right top rod 603 and the platform top wire 604, the measured part of the measured workpiece 01 is consistent with the height of the left measuring needle 3 and the right measuring needle 4, the dial lever top rod wrench 802 is loosened, the left measuring needle 3 and the right measuring needle 4 are in contact with the left side and the right side of the measured workpiece 01 respectively, whether the numerical value change of the dial gauge 5 is within the required tolerance range is observed, whether the size of the measured workpiece 01 is qualified is judged, and the rapid and accurate detection of the outer circle groove diameter of the measured workpiece 01 is realized.

[0041] In summary, the device has the advantages of compact structure, simple operation, easy maintenance and the like, and especially for the workpiece outer circle with a prominent interference position and multiple notches, the rapid and accurate detection of the outer circle groove diameter of the workpiece can also be realized.

[0042] The principle and implementation mode of the specific examples are described in the utility model, and the above embodiment is only used to help understand the method and core idea of the utility model; meanwhile, according to the idea of the utility model, the specific implementation mode and application range will be changed by the general technical personnel in the field. In summary, the content of the specification should not be understood as the limitation of the utility model.

Claims

1. A precision part outer circle groove diameter detector, characterized in that: Including base, detection platform, left measuring needle, right measuring needle and micrometer, the left mounting block and right mounting block are arranged on the base, the detection platform is installed between the left mounting block and the right mounting block through support assembly, the detection platform is used to place the workpiece to be measured, the support assembly can adjust the left and right positions and height of the detection platform; The left measuring needle is installed on the left mounting block through the measuring top rod assembly, and the measuring top rod assembly can adjust the left and right positions of the left measuring needle, so that the right end of the left measuring needle is in contact with the left side of the workpiece to be measured; The right measuring needle is installed on the right mounting block through the table rod top rod assembly, the table rod top rod assembly includes a table rod top rod, a table rod top rod wrench, a wrench positioning pin, a table rod top rod pin and a spring, the middle part of the right mounting block is provided with a wrench containing groove, the table rod top rod is slidably arranged in the left side of the wrench containing groove along the left and right directions, the right end of the table rod top rod is fixed with the right measuring needle, and the left end of the right measuring needle can be in contact with the right side of the workpiece to be measured;The table rod top rod wrench is arranged in the wrench containing groove through the wrench positioning pin and located below the right end of the table rod top rod, the table rod top rod pin is arranged in the right end of the table rod top rod and fixedly connected with the table rod top rod wrench;The micrometer is fixed on the right mounting block, and the measuring rod of the micrometer is arranged in the right side of the wrench containing groove from right to left and abuts against the right end of the table rod top rod, the spring is sleeved on the measuring end of the micrometer, and the left end of the spring abuts against the table rod top rod pin, and the right end of the spring abuts against the right side wall of the wrench containing groove.

2. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The table rod top rod assembly further includes a table rod top rod sliding sleeve and a sliding sleeve top wire, the upper part of the right mounting block is provided with a table rod top rod mounting hole penetrating along the left and right directions at the position of the left side of the wrench containing groove, the table rod top rod sliding sleeve is fixed in the table rod top rod mounting hole through the sliding sleeve top wire, and the table rod top rod is slidably arranged in the table rod top rod sliding sleeve.

3. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The upper part of the right mounting block is provided with a micrometer mounting hole penetrating along the left and right directions at the position of the right side of the wrench containing groove, an open sleeve is arranged in the micrometer mounting hole, the measuring rod of the micrometer is arranged in the open sleeve and fixed in the micrometer mounting hole through the open sleeve top wire.

4. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The measuring top rod assembly comprises a measuring top rod sleeve, a measuring top rod screw rod, a measuring top rod inner sleeve and an inner sleeve top pin, the upper portion of the left mounting block is provided with a measuring top rod mounting hole penetrating in the left-right direction, and the measuring top rod sleeve is fixed in the measuring top rod mounting hole; the measuring top rod screw rod and the measuring top rod inner sleeve are sequentially arranged in the measuring top rod sleeve from left to right, the left end of the measuring top rod screw rod is rotationally connected with the left end of the measuring top rod sleeve, the right end of the measuring top rod screw rod is arranged in the left end of the measuring top rod inner sleeve and is threadedly connected with the left end of the measuring top rod inner sleeve, and the right end of the measuring top rod inner sleeve is fixedly connected with the left measuring needle; when the measuring top rod screw rod is rotated, the measuring top rod inner sleeve can drive the left measuring needle to move leftward and rightward, and when the rotation of the measuring top rod screw rod is stopped, the measuring top rod inner sleeve can be fixed in the measuring top rod sleeve through the inner sleeve top pin.

5. The precision part outer circle groove diameter detector according to claim 4, characterized in that: A groove is arranged on the top outer wall of the measuring top rod inner sleeve, the groove extends in the left-right direction, the inner sleeve top pin is vertically arranged on the left mounting block and can penetrate the side wall of the measuring top rod mounting hole and the measuring top rod sleeve and is clamped with the groove of the measuring top rod inner sleeve.

6. The precision part outer circle groove diameter detector according to claim 4, characterized in that: The measuring top rod assembly further comprises a sleeve fixing bolt, the left mounting block is further provided with a horizontal through groove, the horizontal through groove is located on one side of the measuring top rod mounting hole and communicates with the measuring top rod mounting hole, and the sleeve fixing bolt is vertically arranged on the left mounting block and can penetrate the horizontal through groove; when the sleeve fixing bolt is tightened, the measuring top rod sleeve can be extruded and fixed with the measuring top rod mounting hole.

7. The precision part outer circle groove diameter detector according to claim 4, characterized in that: The measuring top rod assembly further comprises a measuring top rod plug, the left end of the measuring top rod sleeve is provided with an inner ring groove, the left end of the measuring top rod screw rod is provided with an outer clamping ring, the outer clamping ring is rotationally connected in the inner ring groove, and the measuring top rod plug is sleeved on the left end of the measuring top rod screw rod and is threadedly connected with the left side of the inner ring groove of the measuring top rod sleeve.

8. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The support assembly comprises a support base, a left top rod, a right top rod and a platform top pin, the support base is arranged between the left mounting block and the right mounting block, the lower portion of the left mounting block is provided with a left top rod mounting hole in the left-right direction, the left top rod is threadedly connected in the left top rod mounting hole, and the right end of the left top rod can abut against the left side of the support base; the lower portion of the right mounting block is provided with a right top rod mounting hole in the left-right direction, the right top rod is threadedly connected in the right top rod mounting hole, and the left end of the right top rod can abut against the right side of the support base; the support base is provided with a vertical hole, the detection platform is in a columnar structure, the detection platform can be inserted in the vertical hole of the support base and is fixed in the vertical hole through the platform top pin.

9. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The spring is a variable-diameter spring, the small-diameter end of the spring abuts against the surface rod top rod pin, and the large-diameter end of the spring abuts against the right side wall of the wrench accommodating groove.

10. The precision part outer circle groove diameter detector according to claim 1, characterized in that: The dial gauge is a digital thickness gauge.

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