Magnetic steel dispensing tool and magnetic steel dispensing device

Abstract

The utility model discloses a magnetic steel dispensing tool and magnetic steel dispensing device, the tool comprises a dispensing seat and a pressing block, the dispensing seat comprises a seat body and two limiting blocks, the top surface of the seat body is provided with a positioning hole matched with the lower part of magnetic steel, the two limiting blocks are located on the top surface of the seat body and symmetrically arranged on two sides of the positioning hole in the radial direction, and the pressing block is arranged on the seat body. The magnetic steel, the pressing block and the pole piece between the magnetic steel and the pressing block are coaxially limited between the magnetic steel and the pressing block; the pressing block is used for being pressed on the pole piece so that glue dotted on the surface of the magnetic steel can be laid between the magnetic steel and the pole piece. According to the utility model, not only can the coaxiality of the magnetic steel and the pole piece with the same diameter be ensured, but also the glue overflowing from the surfaces of products and tools can be quickly removed.

Description

Technical Field

[0001] The utility model relates to the technical field of torquer assembly, in particular to a magnetic steel dispensing tool and a magnetic steel dispensing device. Background Art

[0002] Devices that achieve motion in modern electronic products often use the principle of electromagnetic drive. The magnetic field is generated by energizing the coil, and then the magnetic field acts on the magnet to achieve the relevant motion function. The connection between the magnet and other devices is often achieved by glue bonding because the material itself cannot be achieved by welding or threading. For example, in accelerometer components, the assembly of the torquer is mainly in the form of glue bonding; the magnet and the pole piece in the torquer are circular structures with the same diameter. In the process of assembling the two, the coaxiality of the two needs to be controlled. At the same time, a certain amount of pressure needs to be applied to the bonding of the magnet and the pole piece, which will cause the glue to overflow onto the inner surface of the assembly tooling. After the glue is cured, it is difficult to remove the magnet assembly; the existing tooling currently uses a full circumferential limit structure for dispensing operations. Although it meets the control requirements of coaxiality, it does not solve the problem of glue adhering to the inner surface of the tooling, which makes it difficult to clean the tooling and reduces production efficiency. Summary of the invention

[0003] The technical problem to be solved by the utility model is to overcome the deficiencies of the prior art and provide a magnetic steel dispensing tooling which can not only ensure the coaxiality of magnetic steels and pole pieces with the same diameter, but also realize the rapid removal of glue overflowed from the surface of products and tooling, and correspondingly provides a magnetic steel dispensing device having the magnetic steel dispensing tooling.

[0004] In order to solve the above technical problems, the present invention adopts the following technical solutions:

[0005] The utility model provides a magnetic steel dispensing tool, comprising a dispensing seat and a pressing block, the dispensing seat comprising a seat body and two limit blocks, the top surface of the seat body is provided with a positioning hole matched with the lower part of the magnetic steel, the two limit blocks are arranged on the top surface of the seat body and are symmetrically arranged on both sides of the radial direction of the positioning hole, and are used to coaxially limit the magnetic steel, the pressing block, and the pole piece between the magnet and the pressing block; the pressing block is used to be pressed on the pole piece to spread the glue dotted on the surface of the magnetic steel between the magnetic steel and the pole piece.

[0006] Optionally, the wall surface of the limit block facing the magnetic steel is an arc concave surface that matches the outer circle of the upper part of the magnetic steel.

[0007] Optionally, the limiting block is a fan-shaped block.

[0008] Optionally, the two limit blocks are integrally formed with the seat body.

[0009] Optionally, the outer circle of the pressing block has the same diameter as the outer circle of the upper part of the magnetic steel.

[0010] Optionally, the lower portion of the magnetic steel is rotatably mounted in the positioning hole.

[0011] Optionally, a demoulding rod is also included. The bottom surface of the seat body is provided with a demoulding hole connected to the positioning hole. The demoulding rod is used to be inserted into the demoulding hole from bottom to top to remove the solidified magnetic steel and pole piece from the dispensing seat.

[0012] Optionally, it further comprises a base for fixing to the glue dispensing machine, the base is provided with a mounting hole matching with the seat body, and the lower part of the seat body is fixed in the mounting hole.

[0013] Optionally, the base is detachably connected to a workbench of the dispensing machine via a plurality of fasteners.

[0014] As a general inventive concept, the utility model also provides a magnetic steel dispensing device, including a dispensing machine and the magnetic steel dispensing tool as described above, wherein the magnetic steel dispensing tool can be detachably connected to the workbench of the dispensing machine.

[0015] Compared with the prior art, the advantages of the utility model are:

[0016] The magnetic steel dispensing tool of the utility model realizes the limiting and coaxiality control of the magnetic steel and the pole piece by opening a positioning hole matched with the magnetic steel on the dispensing seat body, and symmetrically arranging limit blocks on both sides of the radial direction of the positioning hole. An operating space is provided between the two limit blocks for wiping out the overflowed glue. At the same time, the magnetic steel in the positioning hole can be rotated to expose and remove the previously invisible overflowed glue on the outer circle of the magnetic steel, and the glue on the inner arc surface of the tool can also be brought out and removed, so as to realize the purpose of quickly removing the overflowed glue from the product and the tool. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a structural schematic diagram of the magnetic steel dispensing tooling of Example 1 of the utility model.

[0018] Figure 2 This is a schematic diagram of the structure of the glue dispensing seat of Example 1 of the utility model.

[0019] Figure 3 This is a schematic diagram of the structure of the magnetic steel dispensing device of Example 2 of the utility model.

[0020] Figure 4 Schematic diagram of demoulding of magnetic steel dispensing tooling.

[0021] Legend: 1. Workbench; 2. Base; 21. Mounting hole; 3. Dispensing seat; 31. Seat body; 311. Positioning hole; 312. Demolding hole; 32. Limit block; 4. Magnetic steel; 5. Pole piece; 6. Press block; 7. Demolding rod. DETAILED DESCRIPTION

[0022] The present invention is further described below in conjunction with specific preferred embodiments, but the protection scope of the present invention is not limited thereby.

[0023] Embodiment 1:

[0024] like Figure 1 and Figure 2 As shown, the magnetic steel dispensing tooling of this embodiment includes a dispensing seat 3 and a pressing block 6. The dispensing seat 3 includes a seat body 31 and two limit blocks 32. The top surface of the seat body 31 is provided with a positioning hole 311 that cooperates with the lower part of the magnetic steel 4. The two limit blocks 32 are arranged on the top surface of the seat body 31 and are symmetrically arranged on both sides of the radial direction of the positioning hole 311, and are used to coaxially limit the magnetic steel 4, the pressing block 6, and the pole piece 5 between the magnetic steel 4 and the pressing block 6. The pressing block 6 is used to be pressed on the pole piece 5 to spread the glue dispensed on the surface of the magnetic steel 4 between the magnetic steel 4 and the pole piece 5.

[0025] In this embodiment, in order to achieve coaxial limiting of the magnet 4, the pole piece 5 and the pressure block 6, the pressure block 6 is set to have an outer circle with the same diameter as the outer circle of the magnet 4, and the wall surface of the limit block 32 facing the magnet 4 is an arc concave surface that matches the upper outer circle of the magnet 4.

[0026] Preferably, the two limit blocks 32 of this embodiment are fan-shaped blocks integrally formed with the seat body 31. The molding of the dispensing seat 3 can be realized by the following method:

[0027] First, a cylinder with a height equal to the sum of the heights of the seat body 31 and the limit block 32 is processed, and then the positioning hole 311 is processed. Finally, the redundant sector-shaped blocks whose height on the upper part of the cylinder is equal to the height of the limit block 32 are removed through symmetrical processing, thereby forming a non-full-circle limit structure in which two sector-shaped blocks are symmetrically arranged on both sides of the radial direction of the positioning hole 311. The limit and coaxiality control of the magnetic steel 4, the pole piece 5 and the pressing block 6 are realized through the relative segment arc surfaces of the two limit blocks 32. The position of the sector-shaped blocks removed by processing provides an operating space for wiping off the overflowed glue.

[0028] In this embodiment, the lower part of the magnet 4 is rotatably installed in the positioning hole 311, so that the previously invisible overflow glue on the outer circle of the magnet 4 and the pole piece 5 can be exposed by rotating the magnet 4, and the glue on the inner arc surface of the limit block 32 can also be brought out during the rotation of the magnet 4, thereby facilitating removal, thereby achieving the purpose of quickly removing the overflow glue from the product and tooling.

[0029] In this embodiment, Figure 4 As shown, a demoulding rod 7 is also included. A demoulding hole 312 connected to the positioning hole 311 is opened on the bottom surface of the seat body 31. The demoulding rod is used to be inserted into the demoulding hole 312 from bottom to top to remove the solidified magnetic steel 4 and the pole piece 5 from the dispensing seat 3.

[0030] In this embodiment, Figure 3As shown, it also includes a base 2 for fixing to the glue dispensing machine. The base 2 is provided with a mounting hole 21 that matches with the seat body 31 , and the lower part of the seat body 31 is fixed in the mounting hole 21 .

[0031] In this embodiment, the base 2 is detachably connected to the workbench 1 of the glue dispensing machine through a plurality of fasteners. The process of implementing the magnetic steel glue dispensing tooling in this embodiment is as follows:

[0032] First, fix the base 2 of the glue dispensing tool on the table 1 of the glue dispensing machine, and then put the body 31 of the glue dispensing seat 3 into the mounting hole 21 of the base 2. In this embodiment, the base 2 is made of fluoroplastics and has a certain degree of softness, so the mounting hole 21 of the base 2 and the body 31 of the glue dispensing seat 3 are fixed by interference fit. Then put the magnetic steel 4 into the corresponding positioning hole 311 of the glue dispensing seat 3, and the magnetic steel 4 and the positioning hole 311 of the glue dispensing seat 3 are matched with a gap. After glue is applied on the end face of the magnetic steel 4, place the pole piece 5 on the glue dispensing surface, and finally place the pressing block 6 on the pole piece 5. Use a dust-free cloth to wipe the overflowed glue. Rotate the combination of the magnetic steel 4, the pole piece 5 and the pressing block 6, and wipe the other glue overflow surfaces, so as to achieve the purpose of quickly removing the overflowed glue from the product and tooling.

[0033] After the glue is cured, remove the pressing block 6 and pull the glue dispensing seat 3 out of the mounting hole 21 in the base 2. Figure 4 As shown, a demoulding rod 7 is then used to vertically penetrate the lower end of the demoulding hole 312 to eject the magnetic steel 4 and the pole piece 5 connected together by dispensing glue.

[0034] Specifically, the glue dispensing seat 3 of this embodiment is composed of a single part. The inner hole end face of the positioning hole 311 of the glue dispensing seat 3 is the support surface of the magnetic steel, and a demoulding hole 312 that passes through the glue dispensing seat 3 is processed on the inner hole end face for the demoulding rod 7 to penetrate, so as to facilitate demoulding and removal after the magnetic steel and the pole piece are bonded. The glue dispensing seat 3 adopts a non-full circle limiting structure, and the limiting and coaxiality control of the magnetic steel 4, the pole piece 5 and the pressing block 6 are realized through the relative segment arc surfaces of the two limiting blocks 33. The arc blocks removed by processing provide an operating space for wiping the overflowed glue. At the same time, the inner end face of the positioning hole 311 of the glue dispensing seat 3 is a circular hole structure, and the previously invisible overflowed glue can be exposed and removed by rotating the product, and the glue on the inner arc surface of the tooling can also be brought out and removed, so as to achieve the purpose of quickly removing the overflowed glue on the surface of the product and tooling.

[0035] Embodiment 2:

[0036] The magnetic steel dispensing device of this embodiment includes a dispensing machine and also includes the magnetic steel dispensing tooling of Example 1. The magnetic steel dispensing tooling is detachably connected to the workbench 1 of the dispensing machine through a base 2.

[0037] It should be noted that the “front” and “rear” in the front and rear surfaces and the “upper” and “lower” in the upper and lower end surfaces involved in the textual description of this embodiment are used to express the relative relationship between the above-mentioned surfaces or end surfaces, and should not be understood as a description of the absolute position relationship of the above-mentioned surfaces or end surfaces, which may be expressed differently under different azimuth viewing angles.

[0038] The above is only a preferred embodiment of the present invention. The protection scope of the present invention is not limited to the above embodiments. All technical solutions under the concept of the present invention belong to the protection scope of the present invention. It should be pointed out that for ordinary technicians in this technical field, some improvements and modifications without departing from the principle of the present invention should also be regarded as the protection scope of the present invention.

Claims

1. A magnetic steel dispensing tool, characterized in that: The invention comprises a glue dispensing seat (3) and a pressing block (6), wherein the glue dispensing seat (3) comprises a seat body (31) and two limiting blocks (32), wherein the top surface of the seat body (31) is provided with a positioning hole (311) which cooperates with the lower part of the magnetic steel (4), and the two limiting blocks (32) are arranged on the top surface of the seat body (31) and are symmetrically arranged on both sides of the radial direction of the positioning hole (311), and are used to coaxially limit the magnetic steel (4), the pressing block (6), and the pole piece (5) between the magnetic steel (4) and the pressing block (6) between the two; the pressing block (6) is used to be pressed on the pole piece (5) to spread the glue dispensed on the surface of the magnetic steel (4) between the magnetic steel (4) and the pole piece (5).

2. The magnetic steel dispensing tool according to claim 1 is characterized in that: The wall surface of the limit block (32) facing the magnetic steel (4) is an arc concave surface that matches the outer circle of the upper part of the magnetic steel (4).

3. The magnetic steel dispensing tool according to claim 2, characterized in that: The limiting block (32) is a fan-shaped block.

4. The magnetic steel dispensing tool according to claim 2, characterized in that: The two limit blocks (32) are integrally formed with the seat body (31).

5. The magnetic steel dispensing tool according to any one of claims 1 to 4, characterized in that: The outer circle of the pressing block (6) has the same diameter as the outer circle of the upper part of the magnetic steel (4).

6. The magnetic steel dispensing tool according to any one of claims 1 to 4, characterized in that: The lower part of the magnetic steel (4) is rotatably mounted in the positioning hole (311).

7. The magnetic steel dispensing tool according to any one of claims 1 to 4, characterized in that: It also includes a demoulding rod (7). The bottom surface of the seat body (31) is provided with a demoulding hole (312) connected to the positioning hole (311). The demoulding rod (7) is used to be inserted into the demoulding hole (312) from bottom to top to remove the solidified magnetic steel (4) and the pole piece (5) from the dispensing seat (3).

8. The magnetic steel dispensing tool according to any one of claims 1 to 4, characterized in that: It also includes a base (2) for fixing to the glue dispensing machine, wherein the base (2) is provided with a mounting hole (21) matching with the seat body (31), and the lower part of the seat body (31) is fixed in the mounting hole (21).

9. The magnetic steel dispensing tool according to claim 8, characterized in that: The base (2) is detachably connected to the workbench (1) of the glue dispensing machine via a plurality of fasteners.

10. A magnetic steel glue dispensing device, comprising a glue dispensing machine, characterized in that: It also includes the magnetic steel glue dispensing tool as described in any one of claims 1 to 9, and the magnetic steel glue dispensing tool can be detachably connected to the workbench (1) of the glue dispensing machine.

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