CN220153486U - Screw concentricity detection jig - Google Patents
Screw concentricity detection jig Download PDFInfo
- Publication number
- CN220153486U CN220153486U CN202321620660.0U CN202321620660U CN220153486U CN 220153486 U CN220153486 U CN 220153486U CN 202321620660 U CN202321620660 U CN 202321620660U CN 220153486 U CN220153486 U CN 220153486U
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- CN
- China
- Prior art keywords
- positioning
- hole
- detection jig
- locating
- piece
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- 238000001514 detection method Methods 0.000 title claims abstract description 29
- 238000006073 displacement reaction Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 230000009977 dual effect Effects 0.000 description 1
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Abstract
The utility model discloses a screw concentricity detection jig, which comprises: a base; the connecting and positioning plate is arranged at one end of the base and provided with a first positioning hole; the positioning piece is arranged on one side of the connecting positioning plate, one end of the positioning piece, which is far away from the connecting positioning plate, is provided with a second positioning hole, and the first positioning hole and the second positioning hole are coaxially arranged; the positioning rod is provided with countersunk holes at two ends, and the countersunk holes and the positioning rod are coaxially arranged; inserting a positioning rod into the first positioning hole, inserting a screw rod into the second positioning hole, and if one end of the screw rod can be inserted into the counter bore, detecting the screw rod to be qualified; otherwise, the lead screw is unqualified in detection; the concentricity detection jig is high in accuracy and convenient to operate.
Description
Technical Field
The utility model belongs to the technical field of detection jigs, and particularly relates to a screw concentricity detection jig.
Background
The concentricity detection jig is a special tool for detecting the quality of products, and in actual production, some products are complex in shape and difficult to directly detect, and in order to improve the production efficiency and ensure the quality of the products, a special detection jig is designed to detect the products which are inconvenient to detect. In the prior art, a machine tool screw rod and a motor shaft are driven by a coupling, and the machine tool screw rod and the motor shaft are required to move on the same straight line, so that concentricity of a motor mounting surface and the screw rod is required to be ensured, the accuracy of circle jump after mounting can be ensured, and when the machine tool screw rod is detected, if the circle jump is directly mounted and detected, the motor is required to be repeatedly dismounted and mounted, and the working hours are wasted, so that the existing mode for detecting the screw rod has an improved need.
Disclosure of Invention
The utility model mainly solves the technical problem of providing a screw rod concentricity detection jig, which solves the problems in the prior art.
In order to solve the technical problems, the utility model adopts a technical scheme that: a lead screw concentricity detection jig, the lead screw concentricity detection jig includes:
a base;
the connecting and positioning plate is arranged at one end of the base and provided with a first positioning hole;
the positioning piece is arranged on one side of the connecting positioning plate, one end of the positioning piece, which is far away from the connecting positioning plate, is provided with a second positioning hole, and the first positioning hole and the second positioning hole are coaxially arranged;
the positioning rod is provided with countersunk holes at two ends, and the countersunk holes and the positioning rod are coaxially arranged;
inserting the positioning rod into the first positioning hole, inserting the screw rod into the second positioning hole, and if one end of the screw rod can be inserted into the counter bore, detecting the screw rod to be qualified.
Preferably, the periphery of the positioning rod is sleeved with a positioning ring, and counter sunk holes at two ends of the positioning rod are set to be counter sunk holes with different diameters.
Preferably, a limiting hole is formed in one side, far away from the locating piece, of the first locating hole, the limiting hole and the first locating hole are coaxially arranged, and the limiting hole is matched with the locating ring.
Preferably, the inside of the positioning piece is provided with a cavity, and the upper part of the positioning piece is provided with an observation hole.
Preferably, the second positioning hole is embedded with a bearing.
Preferably, two connecting pieces are arranged on two sides of the positioning piece, the positioning piece is arranged at the bottom of the base through the connecting pieces, and the positioning piece is connected with the connecting positioning plate through bolts.
The beneficial effects of the utility model are as follows:
(1) The concentricity detection jig inserts a positioning rod into a first positioning hole, inserts a screw rod into a second positioning hole, and if one end of the screw rod can be inserted into a counter bore, the screw rod is detected to be qualified; otherwise, the lead screw is unqualified in detection; the concentricity detection jig is high in accuracy and convenient to operate;
(2) The positioning ring is sleeved on the periphery of the positioning rod of the concentricity detection jig, counter sunk holes at two ends of the positioning rod are set to be counter sunk holes with different diameters, counter sunk holes with different diameters are arranged at two ends of the positioning rod, so that screw rods with different diameters can be detected, the adaptability is high, and the popularization is convenient;
(3) The locating piece of this concentricity detects tool passes through the connecting piece is installed in the bottom of base, and passes through bolted connection between locating piece and the connection locating plate, and is fixed with the locating piece through dual fixed mode, guarantees the stability of locating piece position, prevents to take place the displacement between locating piece and the connection locating plate at the in-process of test, influences the detection precision of tool.
Drawings
FIG. 1 is a schematic illustration of the overall structure of the present utility model;
FIG. 2 is a schematic view of a connecting and positioning plate structure according to the present utility model;
FIG. 3 is a schematic view of a positioning member according to the present utility model;
FIG. 4 is a schematic view of the structure of the positioning rod of the present utility model;
FIG. 5 is a schematic cross-sectional view of the overall structure of the present utility model;
FIG. 6 is a schematic cross-sectional view of the overall structure of the present utility model;
fig. 7 is a partially enlarged schematic cross-sectional view of the overall structure of the present utility model.
The parts in the drawings are marked as follows:
100. a base;
200. connecting a positioning plate; 201. a first positioning hole; 202. a limiting hole;
300. a positioning piece; 301. a second positioning hole; 302. a chamber; 303. an observation hole; 304. a connecting piece;
400. a positioning rod; 401. a countersunk hole; 402. a positioning ring;
500. and (3) a bearing.
Detailed Description
The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.
Examples: a lead screw concentricity detection jig, the lead screw concentricity detection jig includes:
a base 100;
the connecting and positioning plate 200, wherein the connecting and positioning plate 200 is installed at one end of the base 100, and the connecting and positioning plate 200 is provided with a first positioning hole 201;
the positioning piece 300 is arranged on one side of the connecting positioning plate 200, a second positioning hole 301 is formed in one end, far away from the connecting positioning plate 200, of the positioning piece 300, and the first positioning hole 201 and the second positioning hole 301 are coaxially arranged;
the positioning rod 400, wherein counter sunk holes 401 are formed in two ends of the positioning rod 400, and the counter sunk holes 401 and the positioning rod 400 are coaxially arranged;
inserting the positioning rod 400 into the first positioning hole 201, inserting the screw rod into the second positioning hole 301, and if one end of the screw rod can be inserted into the counter bore 401, detecting the screw rod to be qualified; otherwise, the lead screw is unqualified in detection; the concentricity detection jig is high in accuracy and convenient to operate.
Further, referring to fig. 4, a positioning ring 402 is sleeved on the outer circumference of the positioning rod 400, and counter bores 401 at two ends of the positioning rod 400 are set as counter bores 401 with different diameters.
The counter sunk holes 401 with different diameters are arranged at the two ends of the positioning rod 400, so that screw rods with different diameters can be detected, the adaptability is high, and the popularization is convenient.
The side of the first positioning hole 201 away from the positioning piece 300 is provided with a limiting hole 202, the limiting hole 202 and the first positioning hole 201 are coaxially arranged, and the limiting hole 202 is matched with the positioning ring 402. The limiting hole 202 is used for placing the positioning ring 402, and the limiting hole 202 plays a limiting role on the positioning ring 402 at the same time.
It should be further noted that, referring to fig. 3, a chamber 302 is provided in the positioning member 300, and a viewing hole 303 is provided in the upper portion of the positioning member 300. The observation hole 303 is used to facilitate the operator to observe whether one end of the screw is inserted into the counterbore 401.
In particular, as shown in fig. 7, the second positioning hole 301 is embedded with a bearing 500. The purpose of the bearing 500 is to detect screw concentricity. If the positioning rod 400 can rotate one circle, the screw rod is consistent in concentricity.
In addition, two connecting pieces 304 are arranged on two sides of the positioning piece 300, the positioning piece 300 is installed at the bottom of the base 100 through the connecting pieces 304, and the positioning piece 300 is connected with the connecting positioning plate 200 through bolts.
The positioning piece 300 is fixed in a double fixing mode, so that the position of the positioning piece 300 is stable, and displacement between the positioning piece 300 and the connecting positioning plate 200 in the testing process is prevented, and the detection precision of the jig is affected.
The working principle of the utility model is as follows:
inserting the positioning rod 400 into the first positioning hole 201, inserting the screw rod into the second positioning hole 301, and if one end of the screw rod can be inserted into the counter bore 401, detecting the screw rod to be qualified; otherwise, the lead screw is unqualified in detection; meanwhile, if the positioning rod 400 can rotate for one circle, the screw rod is consistent in concentricity, and the concentricity detection jig is high in accuracy and convenient to operate.
The foregoing is only illustrative of the present utility model and is not to be construed as limiting the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.
Claims (6)
1. The utility model provides a lead screw concentricity detects tool which characterized in that: this lead screw concentricity detects tool includes:
a base;
the connecting and positioning plate is arranged at one end of the base and provided with a first positioning hole;
the positioning piece is arranged on one side of the connecting positioning plate, one end of the positioning piece, which is far away from the connecting positioning plate, is provided with a second positioning hole, and the first positioning hole and the second positioning hole are coaxially arranged;
the locating rod, the both ends of locating rod all are provided with the counter bore, counter bore and locating rod coaxial setting.
2. The screw concentricity detection jig according to claim 1, wherein: the periphery cover of locating lever is equipped with the retainer plate, and the countersunk head hole at locating lever both ends sets up to the countersunk head hole of different diameters.
3. The screw concentricity detection jig according to claim 2, characterized in that: one side of the first locating hole, which is far away from the locating piece, is provided with a limiting hole, the limiting hole and the first locating hole are coaxially arranged, and the limiting hole is matched with the locating ring.
4. The screw concentricity detection jig according to claim 3, further comprising: the inside of setting element is provided with the cavity, and the upper portion of setting element is provided with the observation hole.
5. The screw concentricity detection jig according to claim 4, further comprising: the second positioning hole is embedded with a bearing.
6. The screw concentricity detection jig according to claim 5, further comprising: two sides of the positioning piece are provided with two connecting pieces, the positioning piece is arranged at the bottom of the base through the connecting pieces, and the positioning piece is connected with the connecting positioning plate through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620660.0U CN220153486U (en) | 2023-06-26 | 2023-06-26 | Screw concentricity detection jig |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321620660.0U CN220153486U (en) | 2023-06-26 | 2023-06-26 | Screw concentricity detection jig |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220153486U true CN220153486U (en) | 2023-12-08 |
Family
ID=89018420
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321620660.0U Active CN220153486U (en) | 2023-06-26 | 2023-06-26 | Screw concentricity detection jig |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220153486U (en) |
-
2023
- 2023-06-26 CN CN202321620660.0U patent/CN220153486U/en active Active
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| GR01 | Patent grant | ||
| GR01 | Patent grant |