Rapid and accurate positioning device for sensing magnetic beads

Abstract

The utility model discloses a sensing magnetic bead rapid and accurate in-place device which comprises an upper base, a matching connecting part and a first adjusting part, the upper end face of the first adjusting part forms an inclined end face, and the upper end faces of a lower base and a second adjusting part form inclined end faces. The lower base and the upper base form a base body structure. A first adjusting part and a second adjusting part are evenly arranged on the connecting contact end face, the contact end faces of the first adjusting part and the second adjusting part are both provided with inclined end faces, the distance between the lower base and the upper base is continuously adjusted by rotating the upper base relative to the lower base, and therefore the purpose that a chip is specifically arranged between corresponding installation magnetic sheets is achieved. And the accuracy of the distance can be effectively ensured, and the mounting precision and the yield are improved.

Description

Technical Field

[0001] The utility model relates to the field of tiny magnetic bead installation devices in circuit boards, in particular to a fast and accurate positioning device for sensing magnetic beads. Background Art

[0002] The crane control console is a mechanism that controls the movement direction of the cam by a handle to realize the rotation of the shaft, and radial magnetic beads are installed in the shaft. The crane control console shaft and the radial magnetic beads rotate coaxially and at the same angle to generate magnetic field changes, which are collected by the magnetic sensor of the main control circuit board. The magnetic sensor converts the change of the magnetic field into an electrical signal, and the main control circuit board processes the position, direction, speed and other parameters accordingly, which are converted into control signals to achieve automated control. At this stage, especially for the chip set on the lower side of the circuit board, and when the corresponding tiny magnetic pieces are installed, it is necessary to control the distance between the two, and the size of the distance will directly affect the information transmission efficiency of the circuit board. The current common installation method often uses manual installation, which has insufficient installation accuracy and low product yield. Utility Model Content

[0003] In order to solve the above problems, the utility model proposes a sensor bead fast and accurate positioning device, which solves the problem that the installation method often adopts manual installation, the installation accuracy is insufficient, and the product yield is low.

[0004] The technical solution adopted by the utility model is: a sensor magnetic bead fast and accurate positioning device, comprising an upper base, one end of the upper base is provided with a matching connection part, the upper end surface of the matching connection part forms a plurality of groups of raised first adjustment parts, and the upper end surface of the adjustment part forms an inclined end surface;

[0005] A lower base, one side end surface of the lower base and a plurality of groups of raised second adjustment parts are provided at the lower side of the adjustment part, and the upper end surface of the second adjustment part forms an inclined end surface.

[0006] Furthermore, upper end surfaces of the first adjusting portion and the second adjusting portion both form stepped surfaces.

[0007] Furthermore, a limiting gap is formed between two adjacent groups of the first adjusting parts.

[0008] Furthermore, the upper end surface of the mating connection portion is provided with a rotation mating shaft extending outward, and the first adjustment portion is formed at the edge of the rotation mating shaft.

[0009] Furthermore, a limiting rod extending outward is provided on the outer side wall of the matching connection portion and located on the upper side of the first adjustment portion.

[0010] Furthermore, the upper end surface of the lower base forms a fitting opening which passes through from top to bottom, and the second adjustment portion is arranged at the opening of the fitting opening.

[0011] Furthermore, a protruding fixing block is provided between two adjacent groups of the second mediation parts.

[0012] Furthermore, a matching sliding groove is formed between the second mediation portion and the fixing block.

[0013] Furthermore, the lower end surface of the second mediation portion is located inside the fitting opening, and the end surface forms an inclined surface, which forms a stepped surface.

[0014] Furthermore, a buffer spring is provided between the upper base and the lower base.

[0015] Compared with the prior art, the utility model has the following beneficial effects: the base structure is composed of the lower base and the upper base. The first adjustment part and the second adjustment part are evenly arranged on the connecting contact end surface, and the end surface where the first adjustment part and the second adjustment part contact are both arranged with an inclined end surface. By rotating the upper base relative to the lower base, the distance between the lower base and the upper base is continuously adjusted, thereby realizing the control chip being specifically arranged between the corresponding installation magnetic sheets, and effectively ensuring the accuracy of the distance, thereby improving the installation accuracy and the yield rate. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the utility model. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying creative work.

[0017] Figure 1 This is a diagram of the state of the adjustment device of the utility model in cooperation with the circuit board;

[0018] Figure 2 This is the overall structural diagram of the regulating device of the utility model;

[0019] Figure 3 This is the overall structural diagram of the upper base of the utility model;

[0020] Figure 4 This is the overall structural diagram of the lower base of the utility model;

[0021] Figure 5 This is the overall structural diagram of the lower base of the utility model.

[0022] The realization of the purpose, functional features and advantages of the utility model will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0023] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0024] It should be noted that all directional indications in the embodiments of the present invention (such as up, down, left, right, front, back...) are only used to explain the relative position relationship, movement status, etc. between the components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0025] In addition, the descriptions of "first", "second", etc. in the present utility model are only used for descriptive purposes and cannot be understood as indicating or implying their relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include at least one of the features. In addition, the technical solutions between the various embodiments can be combined with each other, but they must be based on the ability of ordinary technicians in this field to implement them. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such a combination of technical solutions does not exist and is not within the scope of protection required by the present utility model.

[0026] See also Figure 1-5 The utility model is a sensor bead fast and accurate positioning device, including an upper base 31, a matching connection part 301 is provided at one end of the upper base 31, and a plurality of groups of protruding first adjustment parts 310 are formed on the upper end surface of the matching connection part 301, and the upper end surface of the first adjustment part 310 forms an inclined end surface; a lower base 32, a side end surface of the lower base 32, and a plurality of groups of protruding second adjustment parts 320 are provided on the lower side of the adjustment part 310, and the upper end surface of the second adjustment part 320 forms an inclined end surface. When in use, refer to the attached Figure 1 In the embodiment, the adjustment device formed can be arranged at the four corners of the circuit board 1, and the distance between the chip 10 on the circuit board 1 and the magnetic mounting block is adjusted by the adjustment device arranged. The upper base 31 is arranged on the upper side of the circuit board 1, and the lower base 32 is located on the lower side of the circuit board 1. The upper base 31 is arranged on the upper side of the circuit board 1, and the lower base 32 is connected to each other through the first adjustment part 310 and the second adjustment part 320. The upper end faces of both are arranged as inclined end faces. When rotating, the inclined faces cooperate with each other to control the distance between the upper base 31 and the lower base 32. In addition, the upper end faces of the first adjustment part 310 and the second adjustment part 320 are formed with a stepped surface 3020. The stepped end faces can adjust the moving distance, which is more convenient for controlling the distance between the upper base 31 and the lower base 32. When in use, the upper base 31 is rotated, and a plane area 3010 is formed on the side of the upper base 31, which is convenient for rotation and setting.

[0027] Reference Figure 3 In the embodiment, at the matching connection part 301 formed on the lower base, a limiting notch 311 is formed between two groups of adjacent first adjustment parts 310. A rotating matching shaft 3100 extending outward is provided on the upper end surface of the matching connection part 301, and the formed first adjustment part 310 is located at the edge of the rotating matching shaft 3100, so that the first adjustment part 310 surrounds the outer side of the rotating matching shaft 3100. Furthermore, a limiting rod 3001 extending outward is provided on the outer side wall of the matching connection part 301 and located on the upper side of the first adjustment part 310. The end surface of the limiting rod 3001 close to the limiting notch 311 forms a tip surface.

[0028] participate Figure 4-5 In the embodiment, for the formed lower base, the upper end surface of the lower base 32 forms a matching opening 302 that runs through from top to bottom, and the second adjustment part 320 is arranged at the opening of the matching opening 302. The matching opening 302 is formed to rotate with the rotating matching shaft 3100 formed on the upper base 31, and the matching of the shaft and the hole can effectively ensure that the first adjustment part 310 and the second adjustment part 320 are on the same axis. The second adjustment part 320 is arranged at the opening of the matching opening 302, the upper end protrusion is located outside the matching opening 302 and is matched and connected with the first adjustment part 310, the lower end is located inside the matching opening 302, and the end surface forms an inclined surface, which forms a stepped surface 3021. The setting of the end surface is used to match the limit rod 3001 set on the rotating matching shaft 3100, and the end surface of the formed limit rod 3001 in contact with the stepped surface 3021 is set as a tip surface, which is convenient for matching with the stepped surface to prevent the upper base 31 and the lower base 31 from separating when used together.

[0029] participate Figure 3 and Figure 4 In the figure, a protruding fixing block 3002 is provided between two adjacent groups of second adjustment parts 320, and the fixing block 3002 and the limiting notch 311 formed by the upper base serve as a limiting fixing structure when the inclined end faces of the first adjustment part 310 and the second adjustment part 320 completely overlap.

[0030] Specifically, a matching groove 3200 is formed between the second mediation portion 320 and the fixed block 3002 , and the formed groove 3200 is provided for the rotating matching shaft 3100 with the limiting rod 3001 to be matched and connected with the matching opening 302 .

[0031] Specifically, a buffer spring 4 is provided between the upper base and the lower base. When in use, each rotation of 10 degrees is a step, and the adjustment distance of each step is 0.1mm. There are 10 steps in total. The adjustment distance of 100 degrees of rotation angle is 1mm. The distance between the radial magnetic beads and the magnetic sensor is adjusted to achieve the best position for data transmission. The upper base and the lower base are fixed to the upper and lower axes by the position matching and the compression spring.

[0032] The above description is only a preferred embodiment of the utility model, and does not limit the patent scope of the utility model. All equivalent structural changes made by using the contents of the utility model specification and drawings under the utility model concept, or directly / indirectly used in other related technical fields are included in the patent protection scope of the utility model.

Claims

1. A device for quickly and accurately positioning magnetic beads, characterized in that: include: An upper base (31), wherein a matching connection portion (301) is provided at one end of the upper base (31), a plurality of groups of raised first adjustment portions (310) are formed on the upper end surface of the matching connection portion (301), and an inclined end surface is formed on the upper end surface of the first adjustment portion (310); A lower base (32) is provided with a plurality of groups of raised second adjustment parts (320) on one end surface of the lower base (32) and located below the adjustment part (310), and an upper end surface of the second adjustment part (320) forms an inclined end surface.

2. A sensor magnetic bead rapid and accurate positioning device according to claim 1, characterized in that: The upper end surfaces of the first adjusting portion (310) and the second adjusting portion (320) both form stepped surfaces (3020).

3. A sensor magnetic bead rapid and accurate positioning device according to claim 1 or 2, characterized in that: A limiting gap (311) is formed between two adjacent groups of the first adjusting parts (310).

4. A sensor magnetic bead rapid and accurate positioning device according to claim 1 or 2, characterized in that: The upper end surface of the mating connection portion (301) is provided with a rotational mating shaft (3100) extending outward, and the first adjustment portion (310) is formed at the edge of the rotational mating shaft (3100).

5. A sensor magnetic bead rapid and accurate positioning device according to claim 4, characterized in that: A limiting rod (3001) extending outward is provided on the outer side wall of the matching connection portion (301) and located on the upper side of the first adjustment portion (310).

6. A sensor magnetic bead rapid and accurate positioning device according to claim 1 or 2, characterized in that: The upper end surface of the lower base (32) forms a fitting opening (302) that penetrates from top to bottom, and the second adjustment portion (320) is arranged at the opening of the fitting opening (302).

7. A sensor magnetic bead rapid and accurate positioning device according to claim 6, characterized in that: A protruding fixing block (3002) is provided between two adjacent groups of the second mediation parts (320).

8. A sensor magnetic bead rapid and accurate positioning device according to claim 7, characterized in that: A matching sliding groove (3200) is formed between the second mediation portion (320) and the fixing block (3002).

9. A sensor magnetic bead rapid and accurate positioning device according to claim 8, characterized in that: The lower end surface of the second mediation portion (320) is located inside the matching opening (302), and the end surface forms an inclined surface, which forms a stepped surface.

10. The sensor magnetic bead rapid and accurate positioning device according to claim 8, characterized in that: A buffer spring (4) is provided between the upper base (31) and the lower base (32).

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