CN211120933U

CN211120933U - Hole site precision detection device

Info

Publication number: CN211120933U
Application number: CN201922405628.0U
Authority: CN
Inventors: 陈明发
Original assignee: Zhuhai Chenghui Machinery Mould Co ltd
Current assignee: Zhuhai Chenghui Machinery Mould Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-07-28
Anticipated expiration: 2029-12-27

Abstract

The utility model aims at providing a hole site precision detection device that measuring speed is fast, the precision is high, simple structure, easy dismounting, be fit for multiple model work piece and be applicable to workshop on-line measuring. The utility model discloses a bottom plate, riser, horizontal measuring plate, through-hole measuring stick and blind hole measuring stick, the riser vertically sets up on the edge of bottom plate side, horizontal measuring plate transversely sets up the upper end of riser, be equipped with spacing hole and through-hole on the horizontal measuring plate, spacing hole with the outer wall of blind hole measuring stick is laminated mutually, the blind hole measuring stick can make the reciprocating motion of vertical direction on the spacing hole, be equipped with on the bottom plate with the guiding hole of through-hole measuring stick bottom end looks adaptation and two at least reference columns with product looks adaptation, the through-hole measuring stick can pass the through-hole makes the outer wall of through-hole measuring stick bottom with the guiding hole is laminated mutually. The utility model discloses be applied to work piece machining precision measuring technical field.

Description

Hole site precision detection device

Technical Field

The utility model relates to a work piece machining precision measuring's technical field, in particular to hole site precision detection device.

Background

The peripheral design of mechanical parts generally comprises a central hole, a plurality of peripheral holes and blind holes, for example, the peripheral holes use the central hole as a reference, usually have certain position accuracy requirements, and in the field of precision measurement, coordinate measurement or optical measurement is generally adopted for measurement; for example, chinese patent publication No. CN209495614U discloses a hole location scanning fixture, which cleans a location surface and a location hole of a detection part, places the detection part on the hole location scanning fixture, ensures that the lower end surface of the detection part contacts with a reference surface of a bottom plate, slightly rotates the detection part, quickly and accurately determines that a location pin falls into the location hole, and completes the location of the detection part; the scanning rod of the detection device passes through the detection hole on the detection part and is inserted into the reference hole on the bottom plate, the dial indicator is reset to zero, the scanning rod is rotated manually for a circle, the detection ball in the detection device passes through the detection hole contacting the detection part, the detection ball reflects the detection condition to the detection end of the dial indicator through the lever principle, because the contact part of the detection ball mounting position and the detection end of the dial indicator is symmetrical about the center of the articulated shaft, the overflow value can be displayed according to the proportion of 1 to 1 on the dial indicator, namely, the maximum value of the gap is subtracted from the minimum value, the value is the comprehensive position degree of the detection hole, the measurement process is complex, the single piece detection time is long, and the online detection device is.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problem that overcome prior art not enough, provide a measuring speed is fast, the precision is high, simple structure, easy dismounting, be fit for multiple model work piece and be applicable to workshop on-line measuring's hole site precision detection device.

The utility model adopts the technical proposal that: the utility model discloses a bottom plate, riser, horizontal measuring plate, through-hole measuring stick and blind hole measuring stick, the riser vertically sets up on the edge of bottom plate side, horizontal measuring plate transversely sets up the upper end of riser, be equipped with spacing hole and through-hole on the horizontal measuring plate, spacing hole with the outer wall of blind hole measuring stick is laminated mutually, the blind hole measuring stick can make the reciprocating motion of vertical direction on the spacing hole, be equipped with on the bottom plate with the guiding hole of through-hole measuring stick bottom end looks adaptation and two at least reference columns with product looks adaptation, the through-hole measuring stick can pass the through-hole makes the outer wall of through-hole measuring stick bottom with the guiding hole is laminated mutually.

According to the above technical scheme, through placing the work piece product on the reference column, make the reference column is spacing fixed with the work piece product, through promoting fast afterwards the blind hole measuring stick makes the blind hole measuring stick stretches into in the blind hole of work piece product, so that test its precision, at this in-process, the setting of spacing hole has been guaranteed the lateral shifting can not take place for the blind hole measuring stick to this guarantees measuring precision and the machining precision of work piece product, through promoting fast the through-hole measuring stick makes the through-hole measuring stick passes through-hole and work piece product in proper order, and makes at last the bottom of through-hole measuring stick with the guiding hole laminating, with this assurance work piece product's machining precision, because spacing hole with the setting of guiding hole makes the machining precision that can accurate detection work piece product, consequently the utility model has the advantages of simple structure, The measurement is fast and the precision is high.

One preferred scheme is, the four corners department of bottom plate bottom all is equipped with the callus on the sole, the callus on the sole is round platform column structure, and the diameter of this round platform column structure is gradually big structure from top to bottom.

According to the scheme, the foot pad has the effects of shock resistance and skid resistance.

According to a preferable scheme, handles are arranged at the left end and the right end of the bottom plate, and the handles are of upward bending structures from the end close to the bottom plate to the direction far away from the end of the bottom plate.

According to the scheme, the handle with the upward bending structure enables the device to be conveniently carried.

Preferably, the bottom plate and the vertical plate and the transverse measuring plate are connected through threads.

According to the scheme, the bottom plate and the vertical plate and the transverse measuring plate are detachably connected in a threaded connection mode, and the device can be suitable for workpiece products of different models by replacing the bottom plate and the vertical plate of different models.

Preferably, the positioning column is detachably connected with the bottom plate.

According to the scheme, the positioning column is designed to be detachable, and the bottom plate can be suitable for workpiece products of different models by replacing the position of the positioning column.

Preferably, the positioning column is of an imitation cylindrical structure, and the diameter of the top of the imitation cylindrical structure is gradually reduced from bottom to top.

According to the scheme, the diameter of the top of the positioning column with the imitation cylindrical structure is of a gradually-reduced structure from bottom to top, so that a workpiece product can be quickly positioned on the positioning column.

Preferably, the top of each of the through hole measuring rod and the blind hole measuring rod is provided with a holding part.

According to the scheme, the arrangement of the holding part is convenient for pushing the through hole measuring rod and the blind hole measuring rod.

Drawings

Fig. 1 is a schematic structural diagram of the present invention;

FIG. 2 is a schematic structural view of another embodiment of the present invention;

fig. 3 is a schematic diagram of the present invention.

Detailed Description

As shown in fig. 1 to 3, in this embodiment, the utility model discloses a bottom plate 1, a vertical plate 2, a transverse measuring plate 3, a through-hole measuring rod 4 and a blind hole measuring rod 5, the vertical plate 2 is vertically arranged on the edge of the side end of the bottom plate 1, the transverse measuring plate 3 is transversely arranged at the upper end of the vertical plate 2, the transverse measuring plate 3 is provided with a limiting hole 6 and a through-hole 7, the limiting hole 6 is attached to the outer wall of the blind hole measuring rod 5, the blind hole measuring rod 5 can make a reciprocating motion in the vertical direction on the limiting hole 6, the bottom plate 1 is provided with a guide hole 8 adapted to the bottom end of the through-hole measuring rod 4 and at least two positioning columns 9 adapted to the product, and the through-hole measuring rod 4 can pass through the through-hole 7 and make the outer wall of the bottom of the through-hole measuring rod 4 attached to the guide hole 8; the top parts of the through hole measuring rod 4 and the blind hole measuring rod 5 are respectively provided with a holding part 12; in the design, a linear bearing or a guide sleeve can be additionally arranged in the limiting hole 6 and the through hole 7, and the linear bearing and the guide sleeve are attached to the outer wall of the blind hole measuring rod 5, so that the blind hole measuring rod 5 can move down quickly.

Further, as shown in fig. 1 and 2, foot pads 10 are arranged at four corners of the bottom plate 1, the foot pads 10 are in a circular truncated cone-shaped structure, and the diameter of the circular truncated cone-shaped structure is gradually increased from top to bottom; handles 11 are arranged at the left end and the right end of the bottom plate 1, and the handles 11 are of an upward bending structure from one end close to the bottom plate 1 to the direction far away from one end of the bottom plate 1; the bottom plate 1 is connected with the vertical plate 2 through threads, and the vertical plate 2 is connected with the transverse measuring plate 3 through threads.

Further, as shown in fig. 1, the positioning column 9 is detachably connected with the bottom plate 1; the positioning column 9 is of an imitation cylindrical structure, the diameter of the top of the imitation cylindrical structure is gradually reduced from bottom to top, and in the design, the positioning column 9 is used for limiting and fixing the workpiece product 13.

The embodiments of the present invention have been described in detail with reference to the accompanying drawings, but the present invention is not limited to the described embodiments. It will be apparent to those skilled in the art that various changes, modifications, substitutions and alterations can be made in the embodiments without departing from the principles and spirit of the invention, and the scope of the invention is to be accorded the full scope of the claims.

Claims

1. The utility model provides a hole site precision detection device which characterized in that: it comprises a bottom plate (1), a vertical plate (2), a transverse measuring plate (3), a through hole measuring rod (4) and a blind hole measuring rod (5), the vertical plate (2) is longitudinally arranged on the edge of the side end of the bottom plate (1), the transverse measuring plate (3) is transversely arranged at the upper end of the vertical plate (2), the transverse measuring plate (3) is provided with a limit hole (6) and a through hole (7), the limiting hole (6) is attached to the outer wall of the blind hole measuring rod (5), the blind hole measuring rod (5) can do reciprocating motion in the vertical direction on the limiting hole (6), the bottom plate (1) is provided with a guide hole (8) matched with the bottom end of the through hole measuring rod (4) and at least two positioning columns (9) matched with the product, the through hole measuring rod (4) can penetrate through the through hole (7) and enables the outer wall of the bottom of the through hole measuring rod (4) to be attached to the guide hole (8).

2. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the four corners department of bottom plate (1) bottom all is equipped with callus on the sole (10), callus on the sole (10) are round platform column structure, and the diameter of this round platform column structure is gradually big structure from top to bottom.

3. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the handle is characterized in that handles (11) are arranged at the left end and the right end of the bottom plate (1), and the handles (11) are of an upward bending structure from the end close to the bottom plate (1) to the direction far away from the end of the bottom plate (1).

4. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the bottom plate (1) is connected with the vertical plate (2) through threads, and the vertical plate (2) is connected with the transverse measuring plate (3) through threads.

5. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the positioning column (9) is detachably connected with the bottom plate (1).

6. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the positioning column (9) is of an imitation cylindrical structure, and the diameter of the top of the imitation cylindrical structure is gradually reduced from bottom to top.

7. The hole site accuracy detecting apparatus according to claim 1, characterized in that: the top of the through hole measuring rod (4) and the top of the blind hole measuring rod (5) are both provided with holding parts (12).