Small shaft part detection limiting tool

Abstract

The utility model discloses a small shaft part detection limiting tool, which relates to the technical field of shaft detection and comprises a supporting seat which is of a square structure and is horizontally arranged. The two bearing blocks are respectively provided with a bearing groove, each bearing groove is in a V shape, the two bearing blocks are symmetrically arranged on the supporting seat, and the bearing blocks carry and place a tested workpiece through the bearing grooves; a pressure bearing plate; a plurality of pressing assemblies; and a detection table. According to the utility model, the horizontal detection surface is constructed through the supporting seat, then the two ends of the workpiece to be detected are placed in the bearing grooves of the two bearing blocks, and the bearing plate abuts against the two bearing blocks through the pressing assembly, so that the workpiece to be detected is horizontally and integrally limited in the bearing grooves. And then the detection meter can be used for detecting the outer surface of the detected workpiece. The defect that the detected object cannot be detected at the horizontal position due to manual limiting in the prior art is effectively overcome.

Description

TECHNICAL FIELD

[0001] The utility model relates to shaft detection technical field especially relates to a small -size shaft parts detection limit frock. BACKGROUND

[0002] The machining precision of shaft parts directly influences the performance and service life of mechanical equipment, especially for small -size shaft parts, therefore needs to carry out surface run -out value detection to its outer surface after completing the processing to small -size shaft parts, can through run -out detection, can ensure that the machining precision of shaft parts meets the design requirement.

[0003] At present, the outer surface detection of small -size shaft parts is generally that the measured workpiece is manually positioned and then the outer surface is detected, this detection method cannot guarantee that the detected object is in a horizontal position for detection due to the manual positioning factor, which easily affects the detection precision of the measured workpiece. UTILITY MODEL CONTENT

[0004] The utility model provides a small -size shaft parts detection limit frock to solve the shortcoming that the prior art cannot guarantee that the detected object is in a horizontal position for detection by manual positioning.

[0005] In order to realize the above -mentioned purpose, the utility model adopts the following technical scheme:

[0006] A small -size shaft parts detection limit frock, comprising:

[0007] Support seat, the support seat is square structure, the support seat is horizontally arranged;

[0008] Two bearing blocks, two bearing grooves are arranged on the two bearing blocks, the bearing groove is V-shaped, two bearing blocks are symmetrically arranged on the support seat, and the bearing block is placed by the bearing groove bearing measured workpiece;

[0009] Pressure plate, the pressure plate is arranged on the upper part of the bearing block, and the bottom of the pressure plate is respectively connected with the two bearing blocks in abutment to realize that the measured workpiece is limited in the bearing groove of the bearing block as a whole;

[0010] A plurality of down pressure assemblies, the down pressure assembly is arranged on one side of the support seat, and the down pressure assembly is located above the pressure plate, and the down pressure assembly is used for down pressure on the pressure plate;

[0011] Detection table, the detection table is arranged on the side of the support seat away from the down pressure assembly, and the detection table is used for outer surface detection of the measured workpiece in the bearing groove.

[0012] In some possible embodiments, the pressure plate is detachably connected to the two bearing blocks respectively.

[0013] In some possible embodiments, the limiting tool further comprises:

[0014] A plurality of positioning rods, the pressure plate is detachably connected to the two bearing blocks through the plurality of positioning rods;

[0015] Wherein, the plurality of positioning rods are symmetrically arranged on both sides of the top of the pressure plate, one end of the plurality of positioning rods is sequentially connected through the pressure plate, the bearing block and the support seat, and the pressure plate is connected by sliding on the plurality of positioning rods.

[0016] In some possible embodiments, the number of the positioning rods is 2 or 4.

[0017] In some possible embodiments, the lower pressing assembly comprises:

[0018] A support column is arranged on one side of the support seat, and a connecting piece is arranged at the top end of the support column, the connecting piece being above the pressure plate;

[0019] A pusher, one end of the pusher is connected to the connecting piece through the Y-shaped interior of the pusher, and the pusher is connected to the pusher through the Y-shaped interior of the pusher;

[0020] A pusher, one end of the pusher is connected to the connecting piece through the Y-shaped interior of the pusher, and the pusher is connected to the pusher through the Y-shaped interior of the pusher;

[0021] A lower pressing plate is arranged on the pressure plate, and the lower pressing plate abuts against the pressure plate;

[0022] A connecting rod, one end of the connecting rod is vertically connected to the other end of the pusher, and the end of the connecting rod penetrating the pusher is connected to the lower pressing plate, the connecting rod being used to drive the lower pressing plate to cooperate with the bearing groove of the pressure plate to limit the whole workpiece.

[0023] In some possible embodiments, the end of the pusher away from the connecting piece is in the shape of a strip hole, and the lower pressing assembly further comprises:

[0024] Two locking nuts, the two locking nuts are symmetrically arranged at both ends of the strip hole, the two locking nuts abutting against both ends of the strip hole respectively, and the two locking nuts are threadedly connected to the connecting rod.

[0025] In some possible embodiments, the detection table comprises:

[0026] It is a dial gauge or a micrometer.

[0027] The utility model discloses a beneficial effect is:

[0028] The utility model discloses first constructs horizontal detection surface through support seat, and then places two ends of the measured workpiece in the bearing groove of two bearing blocks, and utilizes the down -pressing subassembly to abut with two bearing blocks to the bearing plate, to realize the measured workpiece horizontal integral location in the bearing groove, and then can utilize the detection table to the measured workpiece and carry out the outer surface detection. BRIEF DESCRIPTION OF DRAWINGS

[0029] Figure 1 It is a small -size shaft parts detection limiting frock whole structure schematic diagram provided in the utility model embodiment;

[0030] Figure 2 It is a small -size shaft parts detection limiting frock whole structure schematic diagram provided in the utility model embodiment;

[0031] Figure 3 It is the structure schematic diagram of down -pressing subassembly in the small -size shaft parts detection limiting frock provided in the utility model embodiment.

[0032] The figure mark is as follows:

[0033] 1, support seat;11, bearing block;12, bearing plate;13, positioning rod;

[0034] 2, measured workpiece;

[0035] 3, support column;

[0036] 4, down -pressing subassembly;41, connecting piece;42, knob;421, knob handle;43, pusher;431, connecting rod;432, locking nut;44, down -pressing plate;

[0037] 5, detection table. DETAILED DESCRIPTION

[0038] The technical scheme in the utility model embodiment will be described clearly and completely below in conjunction with the drawings in the utility model embodiment, and obviously, the described embodiment is only a part of the embodiment of the utility model, not all the embodiment. Based on the embodiment in the utility model, all other embodiments obtained by the person skilled in the art without making creative labor belong to the range of the utility model protection.

[0039] It should be noted that all directional indications (such as upper, lower, left, right, front, rear, etc.) in the embodiments of the present application are only used to explain the relative position relationship, movement condition, etc. between components in a certain specific posture (as shown in the drawings), and if the specific posture changes, the directional indications will also change accordingly.

[0040] In the present application, unless otherwise explicitly specified and limited, the terms "connection", "fixing" and the like should be understood broadly, for example, "fixing" can be fixed connection, or detachable connection, or integrated; can be mechanical connection, or electrical connection; can be directly connected, or indirectly connected through intermediate medium; can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise explicitly limited. For ordinary skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0041] In addition, if the description of "first", "second" and the like is involved in the embodiments of the present application, the description of "first", "second" and the like is only for the purpose of description, and cannot be understood as indicating or implying the relative importance of the indicated technical features or implicitly indicating the number of the indicated technical features. Therefore, the features with "first", "second" can explicitly or implicitly include at least one of the features. In addition, the meaning of "and / or" appearing throughout the text includes three parallel schemes. For example, "A and / or B" includes A scheme, or B scheme, or A and B scheme. In addition, the technical solutions of each embodiment can be combined with each other, but it must be based on the realization of ordinary skilled in the art, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor within the protection scope required by the present application.

[0042] Referring to Figures 1 to 3The utility model discloses in this embodiment in order to realize the solution of the existing technology in the human limit cannot guarantee the detected object is in horizontal position detection's shortcoming, here provides a kind of small -size shaft parts detection limit tool, the limit tool includes: support seat 1, two bearing blocks 11, bearing plate 12, lower pressure subassembly 4 and detection table 5.The support seat 1 is square structure, the support seat 1 is horizontally arranged.Two the bearing groove of bearing block 11 is all provided with, the bearing groove is V-shaped, two the bearing block 11 is symmetrically set on the support seat 1, the bearing block 11 is placed by the bearing groove and is measured workpiece 2 is carried.The bearing plate 12 is set on the upper portion of bearing block 11, and the bottom of bearing plate is respectively connected with two bearing block 11 with abutment, to realize the whole limit of measured workpiece 2 in the bearing groove of bearing block 11.The lower pressure subassembly 4 is set on the side of support seat 1, and the lower pressure subassembly 4 is located above bearing plate 12, and the lower pressure subassembly 4 is used to press down bearing plate 12 above bearing plate 12, so as to make bearing plate 12 cooperate with bearing groove and carry out the whole horizontal limit of measured workpiece 2.The detection table 5 is set on the side of support seat 1 away from lower pressure subassembly 4, and the detection table 5 is used to carry out outer surface detection to measured workpiece 2 located in bearing groove.In this embodiment, first, the horizontal detection surface is constructed by support seat 1, then, the two ends of measured workpiece 2 are placed in the bearing groove of two bearing blocks 11, bearing plate 12 is abutted with two bearing blocks 11 by lower pressure subassembly 4, to realize that measured workpiece 2 is horizontally positioned in the bearing groove, and then, the outer surface of measured workpiece 2 can be detected by detection table 5.That is, effectively realize the solution of the existing technology in the human limit cannot guarantee the detected object is in horizontal position detection's shortcoming.

[0043] Refer to Figure 2 In this embodiment, in order to facilitate measured workpiece 2 to be taken out from the bearing groove, the limit tool further comprises: a plurality of positioning rods 13, and the bearing plate 12 is detachably connected with the two bearing blocks 11 through the plurality of positioning rods 13. That is, the plurality of positioning rods 13 are symmetrically arranged on the top two sides of the bearing plate 12, one end of each of the plurality of positioning rods 13 is sequentially connected with the bearing plate 12, the bearing block 11 and the support seat 1, and the bearing plate 12 is slidably connected on the plurality of positioning rods 13. That is, in this embodiment, measured workpiece 2 is placed through the bearing groove on the two bearing blocks 11, and then the bearing plate 12 is used to slide down along the plurality of positioning rods 13, so that the bearing plate 12 cooperates with the bearing groove to limit the measured workpiece 2 as a whole, so as to fix the position of the measured workpiece 2 on the support seat 1. Preferably, the number of positioning rods 13 can be 2 or 4.

[0044] Refer to Figure 1 And Figure 2In order to ensure that the pressure plate 12 matches the bearing groove to limit the effect of the measured workpiece 2, in the embodiment, the lower pressing assembly 4 is provided at least in a group, the lower pressing assembly 4 is pressed by the lower pressing plate 12, and the lower pressing plate 12 is pressed and slid along the plurality of positioning rods 13 to match the bearing groove to limit the overall measured workpiece 2. In order to describe the structure of the lower pressing assembly 4, one lower pressing assembly 4 is described, specifically, the lower pressing assembly 4 comprises a support column 3, a knob 42, a pusher 43, a connecting rod 431 and a lower pressing plate 44. The support column 3 is arranged on one side of the support seat 1, and the top end of the support column 3 is provided with a connecting piece 41, which is located above the pressure plate 12, so as to move the pressure plate 12 downward on the upper side of the pressure plate. The knob 42 is Y-shaped, and the opening end of the knob 42 is hinged to the connecting piece 41. One end of the pusher 43 penetrates the Y-shaped interior of the knob 42 and is hingedly connected to the connecting piece 41, and the pusher 43 is hingedly connected to the knob 42 in the Y-shaped interior of the knob 42. That is, the knob 42 can drive the pusher 43 to hinge on the connecting piece 41. The lower pressing plate 44 is arranged on the pressure plate 12, and the lower pressing plate 44 abuts against the pressure plate 12. One end of the connecting rod 431 penetrates the other end of the pusher 43, and the end of the connecting rod 431 penetrating the pusher 43 is connected to the lower pressing plate 44, so that the knob 42 drives the pusher 43 to hinge on the connecting piece 41. At this time, the other end of the pusher 43 moves the lower pressing plate 44 through the connecting rod 431 to press the pressure plate 12, so as to limit the overall measured workpiece 2 by the pressure plate 12 matched with the bearing groove.

[0045] Referring to Figure 3 In order to facilitate the adjustment of the lower pressing position of the lower pressing plate 44 to the pressure plate 12, the end of the pusher 43 away from the connecting piece 41 is in the shape of a strip hole, and the two ends of the connecting rod 431 are provided with locking nuts 432, and the two locking nuts 432 are symmetrically arranged at the two ends of the strip hole. The two locking nuts 432 respectively abut against the two ends of the strip hole, and the two locking nuts 432 are threadedly connected with the connecting rod 431. That is, the position of the connecting rod 431 in the strip hole can be adjusted by the locking nut 432, so as to adjust the lower pressing position and height of the lower pressing plate 44 to the pressure plate 12. In order to facilitate the knob 42, the knob 42 is further provided with a knob handle 421.

[0046] In the embodiment, the detection table 5 can select a dial gauge, a dial gauge and other detection instruments to detect the surface jump of the measured workpiece 2 according to the actual measurement requirements.

[0047] The above merely describes a preferred embodiment of the present application, and the protection scope of the present application is not limited thereto, and any skilled person in the art, according to the technical scheme and the inventive concept of the present application, makes equivalent replacement or change within the technical range disclosed by the present application, which should be covered within the protection scope of the present application.

Claims

1. A small shaft-type part detection and limiting fixture, characterized in that, include: The support base is square in shape and horizontally positioned. Two support blocks, each with a support groove in the shape of a V, are symmetrically arranged on the support base. The support blocks support and place the workpiece to be measured through the support grooves. A pressure plate is disposed on the upper part of the support block, and the bottom sides of the pressure plate are respectively connected to the two support blocks to abut against each other, so as to limit the entire workpiece to be tested within the support groove of the support block; A plurality of pressing components are provided, wherein the pressing components are disposed on one side of the support base and are located above the pressure plate, and the pressing components are used to press the pressure plate down from above the pressure plate; The test gauge is located on the side of the support base away from the pressing component, and is used to inspect the outer surface of the workpiece located in the bearing groove.

2. The small shaft-type part detection and limiting fixture according to claim 1, characterized in that, The pressure plate is detachably connected to the two bearing blocks respectively.

3. The small shaft-type part detection and limiting fixture according to claim 2, characterized in that, The limiting fixture also includes: Multiple positioning rods are provided, and the pressure plate is detachably connected to the two bearing blocks respectively through the multiple positioning rods; The positioning rods are symmetrically arranged on both sides of the top of the pressure plate. One end of each positioning rod passes through the pressure plate, the bearing block and the support seat in sequence, and the pressure plate slides on the positioning rods.

4. The small shaft-type part detection and limiting fixture according to claim 3, characterized in that, The number of positioning rods is set to 2 or 4.

5. The small shaft-type part detection and limiting fixture according to claim 1, characterized in that, The pressing component includes: A support column is provided on one side of the support base, and a connector is provided at the top of the support column, which is located above the pressure plate. A toggle element, the toggle element being Y-shaped, the open end of the toggle element being hinged to the connector; A pusher, one end of which passes through the Y-shaped interior of the actuating member and is hinged to the connecting member, and the pusher is hinged to the actuating member inside the Y-shaped interior of the actuating member; A lower pressure plate is disposed on the pressure plate and abuts against the pressure plate; A connecting rod, one end of which penetrates vertically through the other end of the pusher, and the end of the connecting rod penetrating the pusher is connected to the lower pressure plate. The connecting rod is used to drive the lower pressure plate so that the pressure plate cooperates with the bearing groove to limit the overall position of the workpiece to be tested.

6. The small shaft-type part detection and limiting fixture according to claim 5, characterized in that, The end of the pusher away from the connector is shaped like a strip hole, and the pressing assembly further includes: Two locking nuts are symmetrically arranged at both ends of the strip hole, and the two locking nuts abut against the two ends of the strip hole respectively, and the two locking nuts are threadedly connected to the connecting rod.

7. The small shaft-type part detection and limiting fixture according to claim 1, characterized in that, The test table includes: It is a dial indicator or a per mille indicator.

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