CN218018153U

CN218018153U - Positioning tool

Info

Publication number: CN218018153U
Application number: CN202222496438.6U
Authority: CN
Inventors: 田亮; 叶建斌; 余家昌
Original assignee: Igenesis Biotechnology Guangzhou Co ltd
Current assignee: Igenesis Biotechnology Guangzhou Co ltd
Priority date: 2022-09-20
Filing date: 2022-09-20
Publication date: 2022-12-13
Anticipated expiration: 2032-09-20

Abstract

The utility model relates to a location frock, a serial communication port, include: the base is used for being fixed on a base of the heating device; the transverse positioning mechanism comprises two clamping units arranged on the base, each clamping unit comprises a measuring block and a transverse elastic piece, the two measuring blocks can be mutually close under the action of the transverse elastic pieces and are used for clamping and fixing a heating copper cup of the heating device, and one clamping unit is connected with a first dial indicator; vertical positioning mechanism, including at least one side baffle unit of setting on the base, every side baffle unit is including measuring baffle and vertical elastic component, measures the baffle and supports one side of leaning on heating copper cup under the effect of vertical elastic component, and every side baffle unit is connected with the second percentage table. Compared with the prior art, the utility model has the advantages of installation accuracy between heating copper cup and the base has been ensured.

Description

Positioning tool

Technical Field

The utility model belongs to the technical field of the check out test set technique and specifically relates to a location frock is related to.

Background

Heating of conical sample tubes (e.g., centrifuge tubes) requires special heating means, typically a copper cup heater comprising a heating copper cup, a heating plate, and a heat sink plate. The heating copper cup is used for heating a row of sample tubes with conical bottoms. However, in the existing heating device, the installation and positioning of the heating copper cup and the base are not accurate, so that the sample tube cannot be accurately inserted into the cup body, and the sample tube is deformed or even damaged.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a location frock in order to overcome the defect that above-mentioned prior art exists, guarantee the installation accuracy of heating copper cup.

The purpose of the utility model can be realized through the following technical scheme:

the utility model provides a location frock, its characterized in that includes:

the base is used for being fixed on a base of the heating device;

the transverse positioning mechanism comprises two clamping units arranged on the base, each clamping unit comprises a measuring block and a transverse elastic piece, the two measuring blocks can be mutually closed under the action of the transverse elastic pieces and are used for clamping and fixing a heating copper cup of the heating device, and one clamping unit is connected with a first dial indicator;

and the longitudinal positioning mechanism comprises at least one side baffle unit arranged on the base, each side baffle unit comprises a measuring baffle and a longitudinal elastic piece, the measuring baffle abuts against one side of the heating copper cup under the action of the longitudinal elastic piece, and each side baffle unit is connected with a second dial indicator.

Further, horizontal elastic component is first spring, the centre gripping unit still includes the spring mounting, the top of spring mounting is equipped with the bending segment, it cup joints to measure the piece the bending segment forms revolution mechanic, first spring housing is located on the bending segment to be located the vertical section of spring mounting with measure between the piece.

Further, the first dial indicator is fixed on the base, and a testing end of the first dial indicator abuts against the measuring block along the axial direction of the first spring.

Furthermore, the base is of a U-shaped structure, the two clamping units are respectively arranged at two ends of the U-shaped base, and the first dial indicator is installed in the U-shaped groove.

Furthermore, the measuring block is strip-shaped, the side face of one end of the measuring block is connected with the spring, and the other end of the measuring block is used for contacting the cup body of the heating copper cup; the base is provided with a guide groove, and one side of the middle section of the measuring block is embedded into the guide groove.

Furthermore, the longitudinal elastic element is a second spring, the side baffle unit further comprises a fixed block and a guide rod, the fixed block is installed on one side of the base at intervals, one end of the guide rod is connected with the fixed block, the other end of the guide rod points to the base, the measuring baffle is sleeved on the guide rod to form a sliding structure, and the second spring is sleeved on the guide rod and located between the fixed block and the measuring baffle.

Furthermore, a plurality of parallel guide rods are arranged between the measuring baffle and the fixed block, and a second spring is sleeved on each guide rod.

Furthermore, a through hole is formed in the fixing block, the second dial indicator is installed on the fixing block, and the testing end of the second dial indicator penetrates through the through hole and abuts against the measuring baffle.

Furthermore, a fixing chuck is arranged on the base, and the base is connected with the base through the fixing chuck.

Furthermore, a pin positioning hole is formed in the base and used for being correspondingly butted with a pin on the base.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses self location is on the base, then fixes the position of heating copper cup through setting up horizontal positioning mechanism and longitudinal positioning mechanism, has effectively ensured the installation accuracy between heating copper cup and the base.

2. And a dial indicator is used for reading, so that high-precision position positioning is ensured.

3. The base is U type structure, installs in the recess of U type at first percentage table, and compact structure is small and exquisite.

4. The base is provided with the fixing chuck and the pin positioning hole, so that the high-precision connection of the base and the base is realized.

Drawings

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

Fig. 2 is a schematic structural view of the heating device.

Fig. 3 is a schematic structural view of the fixing chuck.

FIG. 4 is a calibration diagram of a standard test block.

Fig. 5 is a schematic view of positioning and installation.

Reference numerals:

1-a base; 11-a fixed chuck; 12-a guide groove; 13-pin locating holes;

2-a clamping unit; 21-measuring block; 22-a spring mount;

3-a side dam unit; 31-a measurement baffle; 32-fixed block; 33-a guide rod;

4-a heating device; 41-a base; 41 a-pin; 42-heating the copper cup;

5-a first percentage table;

6-a second dial indicator;

7-Standard test Block.

Detailed Description

Unless otherwise defined, technical or scientific terms used herein shall have the ordinary meaning as is understood by those of ordinary skill in the art to which the invention belongs.

All numerical values recited herein as between the lowest value and the highest value are intended to mean all values between the lowest value and the highest value in increments of one unit when there is more than two units difference between the lowest value and the highest value.

In the description of the present invention, it is to be understood that the terms "center", "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", and the like, indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are used merely for convenience of description and for simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Furthermore, the terms "first", "second", etc. are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first," "second," etc. may explicitly or implicitly include one or more of that feature. In the description of the present invention, "a plurality" means two or more unless otherwise specified.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

The present invention will be described in detail below with reference to the accompanying drawings in conjunction with specific embodiments. It is noted that in the detailed description of these embodiments, in order to provide a concise description, all features of an actual implementation may not be described in detail.

Examples

As shown in fig. 1 and fig. 2, the present embodiment provides a positioning tool for assembling a heating device, which includes a base 1, a transverse positioning mechanism, and a longitudinal positioning mechanism. The base 1 is a plate with a U-shaped structure, and the transverse positioning mechanism and the longitudinal positioning mechanism are arranged at two ends of the U-shaped structure. The heating device 4 includes a base 41 and a heating copper cup 42 fixed to the base 41, as shown in fig. 2. The heating copper cup 42 comprises a heating plate at the bottom and cup bodies distributed on the heating plate in a row, and the positioning tool is used for accurately positioning and mounting the heating copper cup 42 on the base 41.

The transverse positioning mechanism comprises two clamping units 2 arranged on the base 1, and each clamping unit 2 comprises a measuring block 21 and a transverse elastic piece. The two measuring blocks 21 can be drawn together under the action of the transverse elastic piece to form a clamping structure, and the short-side cup body of the heating copper cup 42 is clamped and fixed. One of the clamping units 2 is connected with a first dial indicator 5, so that data quantization is performed on the position, and the positioning precision is improved. The transverse elastic piece is a first spring. In one embodiment, the first spring is a tension spring. The clamping unit 2 further comprises spring fixing pieces 22, the spring fixing pieces 22 are vertically fixed on the upper surfaces of the two ends of the U-shaped plate, and the top ends of the spring fixing pieces are provided with bending sections. The bent sections of the two spring mounts 22 are bent toward each other. The measuring block 21 is a strip-shaped structure, the rear end of the measuring block 21 is slidably sleeved on the bending section and can slide along the bending section, and the first spring is sleeved on the bending section and is positioned between the vertical sections of the measuring block 21 and the spring fixing piece 22. The front end of the measuring block 21 is used for contacting the measuring end of the heating copper cup 42, namely when the two measuring blocks 21 clamp the cup body of the heating copper cup 42, the first spring is compressed towards two sides to form a support. The base 1 is also provided with a guide groove 12, and one side of the middle section of the strip-shaped measuring block 21 is embedded into the guide groove 12, so that the stability of the measuring block 21 during movement is improved. The first dial indicator 5 is fixed on the base 1 and specifically positioned in the U-shaped groove of the U-shaped plate, so that the structure is compact and small. The first dial indicator 5 is connected with one of the clamping units 2, specifically, the end of the test end extending out of the first dial indicator 5 abuts against the measuring block 21 along the axial direction of the first spring, so that the displacement of the measuring block 21 is accurately quantified.

The longitudinal positioning mechanism comprises at least one side baffle unit 3 arranged at the front end side of the U-shaped plate of the base 1, preferably two side baffle units 3 are adopted in the embodiment, and each side baffle unit 3 is correspondingly arranged at one end part of the U-shaped plate. Each side baffle unit 3 comprises a measuring baffle 31 and a longitudinal elastic piece, the measuring baffle 31 abuts against one side of the heating copper cup 42 under the action of the longitudinal elastic piece, and each side baffle unit 3 is connected with a second dial indicator 6. The side barrier unit 3 further comprises a fixing block 32 and a guide rod 33, the fixing block 32 is fixed on one side of the end portion of the U-shaped base 1 at intervals through an L-shaped structural member, one end of the guide rod 33 is connected with the fixing block 32, and the other end of the guide rod 33 points to the base 1 and penetrates through a mounting hole in the measuring barrier 31, so that the guide rod 33 and the measuring barrier 31 form a sliding connection structure. The longitudinal elastic member is embodied by a second spring (not shown in the figures) which is nested on the guide rod 33 and is located between the fixed block 32 and the measuring flap 31 to form an elastic support for the measuring flap 31. The guide rod 33 and the second spring may be disposed in parallel to improve the stability of the measurement flap 31 during movement. The second dial indicator 6 is arranged on the outer side of the fixing block 32, a through hole is further formed in the fixing block 32, and the testing end portion of the second dial indicator 6 penetrates through the through hole and abuts against the measuring baffle 31, so that the displacement of the measuring baffle 31 is accurately quantified.

As shown in fig. 2, a pin 41a and a mounting hole are provided on the base 41 of the heating device 4; as shown in fig. 1, a fixing chuck 11 and a pin positioning hole 13 are provided on a base 1 of the positioning tool. When the base 1 and the base 41 are fixed, the pin positioning holes 13 on the base 1 are aligned with the pins 41a on the base 41, and then the fixing chuck 11 is rotated to insert the fixing chuck 11 into the mounting hole and fastened. The fixing chuck 11 may be of any conventional construction available on the market, as shown in fig. 3, and is similar in principle to an expansion screw, and is not deployed in this embodiment.

As shown in fig. 4 and 5, the positioning using process of the present embodiment is as follows:

I. a calibration step is performed before the fixture is fixed to the base 41 of the heating device 4. The method comprises the following specific steps: the standard detection block 7 is placed in the tool, and the standard detection block 7 is abutted by the left measurement block 21, the right measurement block 21 and the measurement baffle 31. And the reading of the 3 dial indicators at this time is manually adjusted to 0. The short side and the long side of the standard detection block 7 are designed to be tangent to the rightmost or leftmost copper cup on the measurement copper cup at the same time. The left measuring block 21 and the right measuring block 21 are connected by a first spring. Taking the left measuring block 21 as an example, when the standard detecting block 7 or the heating copper cup 42 needs to be placed, the measuring block 21 is moved to the left, and after the standard detecting block 7 or the heating copper cup 42 is placed, the measuring block 21 is reset under the action of the first spring to clamp the standard detecting block 7 or the heating copper cup 42. The measuring stop 31 is controlled by a second spring arranged between the measuring stop 31 and the fixed block 32. When the standard detection block 7 or the heating copper cup 42 needs to be placed, the measurement baffle 31 is moved outwards to compress the second spring, and after the standard detection block 7 or the heating copper cup 42 is placed in, the spring enables the measurement baffle 31 to reset and cling to the standard detection block 7 or the heating copper cup 42.

II. The standard detection block 7 is removed, and the tool is integrally fixed to the base 41 of the heating device 4.

III, putting the heating copper cup 42 into the tool, wherein the operation method is as described above. That is, the left measuring block 21 is moved to the left, the right measuring block 21 is moved to the right, and the measuring stop 31 is moved outward. After being placed in the heated copper cup 42, they automatically abut the leftmost copper cup and the rightmost copper cup on the heated copper cup 42.

IV, adjusting the position of the heating copper cup 42 to ensure that the readings of the 3 dial indicators are all 0. Other numbers are possible but must be the same as the reading at calibration. At this time, the copper cup 42 is heated to meet the positioning requirement.

V, detaching the tool, and successfully installing the heating copper cup 42 on the base 41.

The foregoing has described in detail preferred embodiments of the present invention. It should be understood that numerous modifications and variations can be devised by those skilled in the art in light of the teachings of the present invention without undue experimentation. Therefore, the technical solutions that can be obtained by logical analysis, reasoning or limited experiments based on the prior art according to the concepts of the present invention by those skilled in the art should be within the scope of protection defined by the claims.

Claims

1. The utility model provides a location frock, its characterized in that includes:

a base (1) for fixing to a base (41) of a heating device (4);

the transverse positioning mechanism comprises two clamping units (2) arranged on the base (1), each clamping unit (2) comprises a measuring block (21) and a transverse elastic piece, the two measuring blocks (21) can be mutually closed under the action of the transverse elastic pieces and are used for clamping and fixing a heating copper cup (42) of the heating device (4), and one clamping unit (2) is connected with a first dial indicator (5);

the longitudinal positioning mechanism comprises at least one side baffle unit (3) arranged on the base (1), each side baffle unit (3) comprises a measuring baffle (31) and a longitudinal elastic piece, the measuring baffle (31) abuts against one side of the heating copper cup (42) under the action of the longitudinal elastic piece, and each side baffle unit (3) is connected with a second dial indicator (6).

2. The positioning tool according to claim 1, wherein the transverse elastic member is a first spring, the clamping unit (2) further comprises a spring fixing member (22), a bending section is arranged at the top end of the spring fixing member (22), the measuring block (21) is sleeved on the bending section to form a rotating structure, and the first spring is sleeved on the bending section and located between a vertical section of the spring fixing member (22) and the measuring block (21).

3. A positioning tool according to claim 2, characterized in that the first dial indicator (5) is fixed to the base (1), the testing end of the first dial indicator (5) abutting against the measuring block (21) in the axial direction of the first spring.

4. The positioning tool according to claim 3, wherein the base (1) is of a U-shaped structure, the two clamping units (2) are respectively arranged at two ends of the U-shaped structure, and the first dial indicator (5) is arranged in a groove of the U-shaped structure.

5. The positioning tool according to claim 2, wherein the measuring block (21) is in a long strip shape, the side surface of one end of the measuring block is connected with a spring, and the other end of the measuring block is used for contacting a cup body of the heating copper cup (42); the base (1) is provided with a guide groove (12), and one side of the middle section of the measuring block (21) is embedded into the guide groove (12).

6. The positioning tool according to claim 1, wherein the longitudinal elastic member is a second spring, the side baffle unit (3) further comprises a fixing block (32) and a guide rod (33), the fixing block (32) is installed on one side of the base (1) at intervals, one end of the guide rod (33) is connected with the fixing block (32), the other end of the guide rod points to the base (1), the measuring baffle (31) is sleeved on the guide rod (33) to form a sliding structure, and the second spring is sleeved on the guide rod (33) and located between the fixing block (32) and the measuring baffle (31).

7. The positioning tool according to claim 6, characterized in that a plurality of parallel guide rods (33) are arranged between the measuring baffle (31) and the fixing block (32), and each guide rod (33) is sleeved with a second spring.

8. The positioning tool according to claim 6, characterized in that a through hole is formed in the fixing block (32), the second dial indicator (6) is mounted on the fixing block (32), and a testing end of the second dial indicator (6) passes through the through hole and abuts against the measuring baffle (31).

9. The positioning tool according to claim 1, characterized in that a fixing chuck (11) is arranged on the base (1), and the base (1) is connected with the base (41) through the fixing chuck (11).

10. The positioning tool according to claim 1, wherein the base (1) is provided with a pin positioning hole (13) for correspondingly butting with a pin (41 a) on the base (41).