A new chip tin brushing fixture

Abstract

The utility model discloses a novel chip tin brushing fixing device, including a base, a rotating shaft is rotatably installed at the bottom of the base, a rotating disk is fixedly connected to the bottom end of the rotating shaft, the top end of the rotating shaft extends to the top of the base and is fixedly connected to a gear, the rotating disk and the rotating shaft cooperate to drive the gear to rotate, the top front side and the top rear side of the base are fixedly connected to a slide rail, a sliding block is slidably installed on the slide rail, a rack is fixedly fixed to the top thread of the sliding block, and the slide rail and the corresponding sliding block cooperate to guide the rack. The utility model can stably fix the chip in two V-shaped grooves when tinning the chip through a series of structural settings, which can effectively avoid the displacement of the chip during the tinning process, and cooperate with the setting of the tinning steel mesh to evenly apply tin on the chip, and can make the thickness of the solder paste uniform, easy to operate, and improve the stability and work efficiency of tinning.

Description

Technical Field

[0001] The utility model relates to the technical field of fixing tooling, in particular to a novel chip tin brushing fixing tooling. Background Art

[0002] When the chip on the existing company's PCB board is replaced after it is damaged, the tin on the bottom of the chip is manually applied to the chip by using a small tool. The existing process lacks a stable and fixed structure for the chip when applying tin. The direct pressing method of applying tin makes the chip easy to move during the application process, making it difficult to evenly apply tin on the metal pins of the chip, and the thickness of the tin coating is difficult to control, which directly affects the chip welding quality and the work efficiency of the personnel. For this reason, we proposed a new chip tin brushing and fixing tool. Utility Model Content

[0003] The utility model aims to solve the shortcomings in the prior art and proposes a novel chip tin brushing fixing tool.

[0004] In order to achieve the above purpose, the utility model adopts the following technical solutions:

[0005] The top end of the chip tin brushing fixing device comprises a base, a rotating shaft is rotatably installed at the bottom of the base, and a rotating disk is fixedly connected to the bottom end of the rotating shaft. The top end of the rotating shaft extends to the top of the base and is fixedly connected to a gear. The rotating disk and the rotating shaft cooperate to drive the gear to rotate. The top front side and the top rear side of the base are fixedly connected to a slide rail, and a sliding block is slidably installed on the slide rail. A rack is fixedly provided on the top of the sliding block. The slide rail cooperates with the corresponding sliding block to guide the rack. The two racks are symmetrically arranged and meshed with the front and rear sides of the gear respectively. A product tray is fixedly provided with a product tray on the top of the rack. The two product trays are arranged on the left and right sides. A V-shaped groove with an opening at the top is provided on the side where the two product trays are close to each other. The same chip is cooperated in the two V-shaped grooves, and the V-shaped groove positions the chip. A tin brushing steel mesh is cooperated on the top of the chip. The arrangement of the tin brushing steel mesh can improve the uniformity of the tin brushing process. Two positioning columns are fixedly connected to the top of the product tray. The tin brushing steel mesh is movably sleeved on four positioning columns, and the positioning columns have a positioning effect on the tin brushing steel mesh.

[0006] Preferably, a sliding groove with openings on both sides is provided at the bottom of the sliding block, and the sliding groove is slidably connected to the corresponding sliding rail.

[0007] Preferably, four positioning holes are provided on the top of the tin-brushing steel mesh, and the inner walls of the positioning holes are in movably contact with the outer sides of the corresponding positioning columns.

[0008] Preferably, two first bolt holes are provided on the top front side and the top rear side of the product tray, two first bolt grooves are provided on both sides of the top of the rack, the two first bolt holes on the left front side and the two first bolt holes on the right rear side are threaded with first T-shaped fixing bolts, and the first T-shaped fixing bolts are threaded in the corresponding first bolt grooves, and the fixation between the product tray and the rack can be achieved by cooperating with the first bolt grooves, the first bolt holes and the first T-shaped fixing bolts.

[0009] Preferably, two second bolt grooves are provided on the top of the sliding block, and a second T-shaped fixing bolt is threadedly sleeved in the second thread groove. Two second bolt holes are provided on the top of the rack, and the second T-shaped fixing bolt is threadedly sleeved in the corresponding second bolt holes. The fixing between the sliding block and the rack can be achieved by matching the second bolt groove, the second T-shaped fixing bolt and the second bolt hole.

[0010] Preferably, a circular hole is opened at the center of the top of the base, a bearing is fixedly sleeved in the circular hole, the inner side of the inner ring of the bearing is fixedly connected to the outer side of the rotating shaft, and the bearing serves to provide a rotatable installation for the rotating shaft.

[0011] Compared with the existing technology, the beneficial effects of the utility model are:

[0012] The utility model adopts a series of structural settings to stably fix the chip in two V-shaped grooves when brushing tin on it, which can effectively avoid the chip displacement during the brushing tin process. In combination with the setting of the tin brushing steel mesh, the tin can be evenly applied to the chip, and the thickness of the solder paste can be uniform. The operation is convenient, and the stability and work efficiency of brushing tin are improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 The utility model discloses a three-dimensional structural diagram of a chip and a tin brushing steel mesh of a novel chip tin brushing fixing tooling proposed by the utility model in an uninstalled state.

[0014] In the figure: 1. sliding block; 2. rotating disk; 3. base; 4. slide rail; 5. rack; 6. product tray; 7. V-shaped groove; 8. positioning column; 9. tin-brushed steel mesh; 901, positioning hole; 10. chip; 11. gear; 12. first bolt hole; 13. first T-shaped fixing bolt. DETAILED DESCRIPTION

[0015] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0016] Reference Figure 1A novel chip tin brushing fixing tool comprises a base 3, a rotating shaft is rotatably installed at the bottom of the base 3, a circular hole is opened at the center of the top of the base 3, a bearing is fixedly sleeved in the circular hole, the inner side of the inner ring of the bearing is fixedly connected to the outer side of the rotating shaft, and the bearing plays the role of providing the rotating shaft with a rotating installation, a rotating disk 2 is fixedly connected to the bottom end of the rotating shaft, the top end of the rotating shaft extends to the top of the base 3 and is fixedly connected to a gear 11, the rotating disk 2 and the rotating shaft cooperate to drive the gear 11 to rotate, the top front side and the top rear side of the base 3 are fixedly connected to the slide rail 4, a sliding block 1 is slidably installed on the slide rail 4, wherein the bottom of the sliding block 1 is opened with both sides open The sliding groove is provided at the mouth, and the sliding groove is slidably connected with the corresponding sliding rail 4. The top of the sliding block 1 is threadedly fixed with a rack 5, wherein the top of the sliding block 1 is provided with two second bolt grooves, and the second thread grooves are threadedly sleeved with second T-shaped fixing bolts. The top of the rack 5 is provided with two second bolt holes, and the second T-shaped fixing bolts are threadedly sleeved in the corresponding second bolt holes. The fixing between the sliding block 1 and the rack 5 can be achieved by matching the second bolt grooves, the second T-shaped fixing bolts and the second bolt holes. The sliding rail 4 and the corresponding sliding block 1 match to guide the rack 5. The two racks 5 are symmetrically arranged and respectively mesh with the front and rear sides of the gear 11;

[0017] A product tray 6 is threadedly fixed to the top of the rack 5, wherein two first bolt holes 12 are provided on the top front side and the top rear side of the product tray 6, and two first bolt grooves are provided on both sides of the top of the rack 5. First T-shaped fixing bolts 13 are threadedly sleeved in the two first bolt holes 12 on the left front side and the two first bolt holes 12 on the right rear side, and the first T-shaped fixing bolts 13 are threadedly sleeved in the corresponding first bolt grooves. The product tray 6 and the rack 5 can be fixed by matching the first bolt grooves, the first bolt holes 12 and the first T-shaped fixing bolts 13. Two product trays 6 are arranged on the left and right sides, and a V-shaped groove 7 with an opening on the top is provided on the side where the two product trays 6 are close to each other. The same chip 10 is matched in the two V-shaped grooves 7, and the V-shaped grooves 7 are used to position the chip 10. A tin-brushing steel mesh 9 is provided on the top of the chip 10. The setting of the tin-brushing steel mesh 9 can improve the uniformity of the tin-brushing process. Two positioning columns 8 are fixedly connected to the top of the product tray 6. The tin-brushing steel mesh 9 is movably sleeved on the four positioning columns 8. Four positioning holes 901 are opened on the top of the tin-brushing steel mesh 9. The inner walls of the positioning holes 901 are movably contacted with the outer sides of the corresponding positioning columns 8. The positioning columns 8 have a positioning effect on the tin-brushing steel mesh 9. The utility model can stably fix the chip 10 in the two V-shaped grooves 7 when tinning the chip 10 through a series of structural settings, which can effectively avoid the displacement of the chip 10 during the tin-brushing process. In combination with the setting of the tin-brushing steel mesh 9, the tin can be evenly applied to the chip 10, and the thickness of the solder paste can be uniform, the operation is convenient, and the stability and work efficiency of tin-brushing are improved.

[0018] Working principle: When the chip 10 is not fixed, the chip 10 is placed between the two product trays 6, and then the rotating disk 2 is rotated. The rotating disk 2 drives the gear 11 to rotate through the rotating shaft, and the gear 11 drives the two racks 5 meshing with it to move relative positions. The racks 5 drive the corresponding sliding blocks 1 to slide on the slide rails 4. The two racks 5 drive the two product trays 6 to move towards each other. When the two product trays 6 drive the two V-shaped grooves 7 to move to contact the outer side of the chip 10, the rotating disk 2 can be stopped. At this time, the chip 10 is positioned in the two V-shaped grooves 7. Then, the four positioning holes 901 on the tin-brushing steel mesh 9 are respectively mounted on the corresponding positioning posts 8. The tin-brushing steel mesh 9 cooperates with the setting of the four positioning posts 8 to fix the two product trays 6, and can effectively prevent the product trays 6 from loosening to both sides, thereby improving the stability of the chip 10 being fixed. After the chip 10 is fixed, the tin-brushing operation can be performed through the tin-brushing steel mesh 9. During the tin-brushing process, the displacement of the chip 10 can be effectively avoided, and the tin-brushing stability is improved. In addition, through the setting of the tin-brushing steel mesh 9, the thickness of the solder paste can be uniform and the operation is convenient.

[0019] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A novel chip tinning fixing tool, comprising a base (3), characterized in that: A rotating shaft is rotatably mounted at the bottom of the base (3), a rotating disk (2) is fixedly connected to the bottom end of the rotating shaft, a gear (11) is fixedly connected to the top of the base (3), a slide rail (4) is fixedly connected to the top front side and the top rear side of the base (3), a sliding block (1) is slidably mounted on the slide rail (4), a rack (5) is threadedly fixed to the top of the sliding block (1), two racks (5) are symmetrically arranged and mesh with the front side and the rear side of the gear (11) respectively, and the gears (5) are symmetrically arranged and mesh with the front side and the rear side of the gear (11) respectively. A product tray (6) is fixed to the top of the strip (5) by a thread. Two product trays (6) are arranged on the left and right. A V-shaped groove (7) with an open top is provided on the sides of the two product trays (6) close to each other. The same chip (10) is arranged in cooperation with the two V-shaped grooves (7). A tin-brushing steel mesh (9) is arranged on the top of the chip (10). Two positioning columns (8) are fixedly connected to the top of the product tray (6). The tin-brushing steel mesh (9) is movably sleeved on the four positioning columns (8).

2. According to the novel chip tinning fixing tool as described in claim 1, it is characterized in that: The bottom of the sliding block (1) is provided with a sliding groove with openings on both sides, and the sliding groove is slidably connected to the corresponding sliding rail (4).

3. According to the novel chip tinning fixing tool as described in claim 1, it is characterized in that: The top of the tin brushing steel mesh (9) is provided with four positioning holes (901), and the inner walls of the positioning holes (901) are in active contact with the outer sides of the corresponding positioning columns (8).

4. According to the novel chip tinning fixing tool as described in claim 1, it is characterized in that: The top front side and the top rear side of the product tray (6) are each provided with two first bolt holes (12), and the top two sides of the rack (5) are each provided with two first bolt grooves, and the two first bolt holes (12) on the left front side and the two first bolt holes (12) on the right rear side are both threadedly sleeved with first T-shaped fixing bolts (13), and the first T-shaped fixing bolts (13) are threadedly sleeved in the corresponding first bolt grooves.

5. The novel chip tinning fixing tool according to claim 1 is characterized in that: The top of the sliding block (1) is provided with two second bolt grooves, and the second T-shaped fixing bolts are threadedly sleeved in the second thread grooves. The top of the rack (5) is provided with two second bolt holes, and the second T-shaped fixing bolts are threadedly sleeved in the corresponding second bolt holes.

6. The novel chip tinning fixing tool according to claim 1 is characterized in that: A circular hole is provided at the center of the top of the base (3), a bearing is fixedly sleeved in the circular hole, and the inner side of the inner ring of the bearing is fixedly connected to the outer side of the rotating shaft.

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