CN219039731U

CN219039731U - Hall chip fixer

Info

Publication number: CN219039731U
Application number: CN202223120167.0U
Authority: CN
Inventors: 代国良; 安伟刚
Original assignee: Tofe Sensing Technology Shanghai Co ltd
Current assignee: Tofe Sensing Technology Shanghai Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-05-16
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a Hall chip fixer, wherein a micrometer is detachably arranged in a first fixing device; the second fixing device is used for detachably fixing the chip to be burned; the first fixing device and the second fixing device are fixed on the third fixing device through bolts; the third fixing device comprises a third base; a groove is formed in the side edge of the third base and used for placing the baffle; the third base is internally provided with a push rod, the burning chip is arranged on one side of the push rod and moves on the third base through the push rod, and the burning chip is pushed to move out of the third fixing device. When the chip is burnt, the Hall chip fixer only needs to return to zero for the first time, and the quick positioning and the zero return can be realized only through the limit of a chip baffle plate on the fixing device in each burning process; the push rod realizes the rapid taking out of the chip; the digital micrometer can directly read the current distance of the burning chip, and the measurement accuracy can reach the micrometer position.

Description

Hall chip fixer

Technical Field

The utility model relates to the field of chip detection, in particular to a Hall chip fixer.

Background

The factory distances of the hall chips are often large in difference (+/-0.5 mm), and the distance requirements of some hall products are high, for example, the hall chips provided by suppliers directly cannot be used because of the large distance difference. After the Hall chip is subjected to secondary burning by using the high-precision burning chip device, the distance deviation is only +/-0.1mm.

The fixing device for the traditional burning Hall chip needs to be subjected to zero setting adjustment every time of burning, so that the burning speed is low; when different chips are burnt, the positions of the fixed chips are not well adjusted and cannot be unified, so that the distance difference between the burnt chips is particularly large; and the analog scale micrometer is used, the reading distance value is slow, and the accuracy is lower.

Disclosure of Invention

In order to solve the technical problems, the utility model provides a Hall chip fixer, which comprises a first fixing device, a micrometer, a second fixing device and a third fixing device; the micrometer is detachably arranged in the first fixing device; the second fixing device is used for detachably fixing the chip to be burned; the first fixing device and the second fixing device are fixed on the third fixing device through bolts; the third fixing device comprises a third base; a groove is formed in the side edge of the third base and used for placing a baffle; the third base is internally provided with a push rod, and the burning chip is arranged on one side of the push rod and moves on the third base through the push rod to push the burning chip to move out of the third fixing device.

Preferably: the first fixing device comprises a first pressing block, and the first pressing block is provided with an arc-shaped notch.

Preferably: the first fixing device further comprises a first base, and the first base is provided with an arc-shaped notch.

Preferably: the first pressing block is fixed above the first base through a bolt, and the connecting surface is a surface of the first pressing block and an arc-shaped notch formed in the first base and is used for fixedly placing the micrometer.

Preferably: the device also comprises an induction device, and the induction device is connected with the micrometer through a connecting device.

Preferably: the second fixing device further comprises a second pressing block, and the second pressing block is used for pressing the back of the burning chip.

Preferably: the third fixing device comprises a second base, and a groove is formed in the second base.

Preferably: the groove is a limiting chute, and the first base and the third base are embedded into the groove.

Preferably: the device also comprises a chip burning connection, and the chip burning connection is fixed on the third base.

Preferably: the chip burning connection is provided with an interface which is connected with the pin of the burning chip.

The utility model has the technical effects and advantages that:

when the chip is burnt, the Hall chip fixer only needs to return to zero for the first time, and the quick positioning and the zero return can be realized only through the limit of a chip baffle plate on the fixing device in each burning process; the push rod realizes the rapid taking out of the chip; the digital micrometer can directly read the current distance of the burning chip, and the measurement accuracy can reach the micrometer position.

Drawings

Fig. 1 is a perspective view of a hall chip holder according to an embodiment of the present application;

FIG. 2 is a perspective view of the device of FIG. 1 from another perspective;

FIG. 3 is a cross-sectional view of a Hall chip holder provided in an embodiment of the present application;

FIG. 4 is a top view of a Hall chip holder provided in an embodiment of the present application;

fig. 5 is a schematic diagram of an internal structure of a hall chip holder according to an embodiment of the present application.

In the figure:

1. a first briquette; 2. a first base; 3. a micrometer; 4. a second base; 5. a baffle; 6. burning the chip; 7. a second briquetting; 8. a connecting device; 9. an induction device; 10. the chip is connected in a burning way; 11. a third base; 12. a push rod.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

In the description of the present utility model, it should be noted that, directions or positional relationships indicated by terms such as "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., are based on directions or positional relationships shown in the drawings, are merely for convenience of description and simplification of description, and do not indicate or imply that the apparatus or element to be referred to must have a specific direction, be constructed and operated in the specific direction, and thus should not be construed as limiting the present utility model; the terms "first," "second," "third," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying relative importance, and furthermore, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "coupled," and the like are to be construed broadly, and may be fixedly coupled, detachably coupled, or integrally coupled, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Referring to fig. 1 to 5, in this embodiment, a hall chip holder is provided, which includes a first fixing device, a micrometer 3, a second fixing device, a third fixing device, a writing chip 6, a connecting device 8, an induction device 9, a chip writing connection 10 and a push rod 12; the first fixing device is used for fixing the micrometer 3, the second fixing device is used for fixing the burning chip 6, and the first fixing device and the second fixing device are fixed on the third fixing device.

The first fixing device comprises a first pressing block 1 and a first base 2, wherein the first pressing block 1 is fixed above the first base 2 through bolts, arc-shaped notches are formed in opposite end faces of the first pressing block 1 and the first base 2 and used for fixedly placing a micrometer 3, and plugs of the micrometer 3 are guaranteed to be at the same height.

The sensing device 9 is a key target for burning the distance of the chip, the magnetism and the position of the sensing device 9 must be ensured, and the connecting device 8 is used for connecting the sensing device 9 and the micrometer 3, so that the sensing device 9 and the micrometer 3 are ensured to be on the same axis; in this embodiment, the micrometer 3 adopts a high-precision digital micrometer, so that the detection precision is higher, and the distance value is more convenient and faster to read.

The second fixing device comprises a second pressing block 7, a third base 11, a baffle plate 5 and a push rod 12, a groove is formed in the side edge of the third base 11 and used for placing the baffle plate 5, the baffle plate 5 is fixed through screws, and repeated zeroing operation of the detection device is avoided when the detection device is used; a push rod 12 is arranged in the third base 11; the surface of the third base 11 is provided with a through hole, the handle of the push rod 12 extends out through the through hole to control the movement of the push rod, and in the embodiment, the handle of the push rod 12 is arranged below a side groove of the third base 11; the side edge of the burning chip 6 is fixed on the third base 11 through a fixed spring, is clung to the baffle 5, and presses the back of the burning chip 6 through the second pressing block 7; the burning chip 6 fixes the chip pins through a chip burning connection 10 and is connected through an interface; the push rod 12 is arranged below the burning chip 6, and the chip can be quickly taken out through the push rod 12 after the burning is completed.

The third fixing device comprises a second base 4, the second base 4 is provided with a limiting chute, in the embodiment, one side of the second base 4 is provided with a fixing slot, the first base 2 is embedded into the fixing slot and is fixed through a bolt, so that the first base 2 is vertical to the second base 4; two limit sliding grooves are formed in the other side of the second base 4, the third base 11 is embedded into the limit sliding grooves, and the distance between the third base 11 and the first base 2 is adjusted through the two limit sliding grooves of the second base 4 according to actual needs.

The operation flow is as follows:

s1, equipment zeroing: when the chip is burned for the first time, the burning chip 6 is fixed on the third base 11, the micrometer 3 is rotated, the sensing device 9 is just clung to the burning chip 6, and the zeroing operation is carried out on the digital gauge head of the micrometer 3;

s2, chip burning: the sensing device 9 is far away from the baffle plate 5 to a preset distance value and fixed, and the burning chip 6 is fixed on the third base 11, and then the chip burning connection 10 is connected with the chip pins, so that the burning chip 6 can be burned through computer software.

S3, taking out the chip: after the writing chip 6 is written, the chip writing connection 10 is separated from the chip pins, and then the second pressing block 7 is pressed, so that the writing chip 6 can be ejected from the writing device.

It will be apparent that the described embodiments are only some, but not all, embodiments of the utility model. All other embodiments, which can be made by those skilled in the art and which are included in the embodiments of the present utility model without the inventive step, are intended to be within the scope of the present utility model. Structures, devices and methods of operation not specifically described and illustrated herein, unless otherwise indicated and limited, are implemented according to conventional means in the art.

Claims

1. The Hall chip fixer is characterized by comprising a first fixing device, a micrometer (3), a second fixing device and a third fixing device;

the micrometer (3) is detachably arranged in the first fixing device;

the second fixing device is used for detachably fixing the chip (6) to be burned;

the first fixing device and the second fixing device are fixed on the third fixing device through bolts;

the third fixing device comprises a third base (11);

a groove is formed in the side edge of the third base (11) and used for placing the baffle (5);

the third base (11) is internally provided with a push rod (12), the burning chip (6) is arranged on one side of the push rod (12), and the burning chip (6) is pushed to move out of the third fixing device by moving the push rod (12) on the third base.

2. The hall chip holder according to claim 1, wherein the first fixing means comprises a first pressing block (1), and the first pressing block (1) is provided with an arc-shaped notch.

3. The hall chip holder according to claim 2, wherein the first fixing device further comprises a first base (2), and the first base (2) is provided with an arc-shaped notch.

4. A hall chip holder according to claim 3, wherein the first pressing block (1) is fixed above the first base (2) by bolts, and the connection surface is a surface of the first pressing block (1) and the first base (2) with arc-shaped notches, and is used for fixedly placing the micrometer (3).

5. A hall chip holder according to claim 1, characterized in that the device further comprises sensing means (9), said sensing means (9) being connected to the micrometer (3) by means of connecting means (8).

6. The hall chip holder according to claim 1, wherein the second fixing means further comprises a second pressing block (7), the second pressing block (7) being configured to press against the back of the burning chip (6).

7. A hall chip holder according to claim 3, wherein the third fixing means comprises a second base (4), the second base (4) being provided with a slot.

8. The hall chip holder according to claim 7, wherein the slot is a limit slot, and the first base (2) and the third base (11) are embedded in the slot.

9. A hall chip holder according to claim 1, characterized in that the device further comprises a chip burn-in connection (10), the chip burn-in connection (10) being fixed to the third base (11).

10. The hall chip holder according to claim 9, wherein the chip burn-in connection (10) is provided with an interface to connect with pins of the burn-in chip (6).