CN213858166U

CN213858166U - Tin bar processing special fixture

Info

Publication number: CN213858166U
Application number: CN202022816022.9U
Authority: CN
Inventors: 凌弼颜; 李天添
Original assignee: Hunan Haopu Photoelectric Technology Co ltd
Current assignee: Hunan Haopu Photoelectric Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-03
Anticipated expiration: 2030-11-30

Abstract

A special fixture for processing tin bars comprises a bottom plate and a clamping device, wherein the bottom plate is a uniform rectangular flat plate, and a straight notch is formed in the bottom plate; the clamping device is matched with the straight notch and freely moves along the direction of the straight notch; the clamping device comprises a sliding base and a clamping block; a sliding groove vertical to the straight groove opening is arranged on the sliding base; the clamping block is matched with the sliding groove and freely moves along the direction of the sliding groove; the sliding base is provided with bulges at two ends of the sliding groove, and the bulge at one end is provided with a screw hole. The special fixture for processing the tin blocking strip can realize stable clamping of the tin blocking strip, can clamp a plurality of tin blocking strips at a time, and improves the processing efficiency; aiming at different numbers of tin blocking strips, the clamping blocks with different lengths can be selected, and the adaptability of the clamp is improved.

Description

Tin bar processing special fixture

Technical Field

The utility model relates to a circuit board technical field, concretely relates to keep off tin bar processing special fixture.

Background

When the PCB is produced, some electronic elements need to be accurately inserted into the pin insertion holes preset in the PCB, and then operations such as welding reinforcement and the like are carried out. Various auxiliary tools such as a tin passing jig are frequently used during welding, the tin passing jig generally comprises a middle flat plate and a frame for fixing a PCB, the frame is made of tin blocking strips, and the frame is mainly used for preventing a tin surface from overflowing the surface of the PCB; and it also has a function of reinforcing the PCB, preventing deformation of the PCB. Because PCB circuit board is various at present, the overall dimension is difficult to unify, lead to the tin tool to need to customize according to the structure of actual product, the producer is when the tin tool is crossed in production, generally can use longer tin bar that keeps off, then process the length and the structure of keeping off the tin bar according to actual need, for example cut into actual need's length or trompil etc. on the relevant position of keeping off the tin bar with keeping off the tin bar to make tin bar and corresponding product adaptation. The application aims at providing a keep off tin bar processing special fixture can realize improving machining efficiency to the stable centre gripping of keeping off the tin bar.

Disclosure of Invention

The utility model aims at overcoming the above-mentioned not enough of prior art and providing a keep off tin bar processing special fixture, can realize the stable centre gripping to keeping off the tin bar to improve machining efficiency.

The technical scheme of the utility model is that: a special fixture for processing tin bars comprises a bottom plate and a clamping device, wherein the bottom plate is a uniform rectangular flat plate, and a straight notch is formed in the bottom plate; the clamping device is matched with the straight notch and freely moves along the direction of the straight notch; the clamping device comprises a sliding base and a clamping block; a sliding groove vertical to the straight groove opening is arranged on the sliding base; the clamping block is matched with the sliding groove and freely moves along the direction of the sliding groove; the sliding base is provided with bulges at two ends in the direction of the sliding groove, the bulge at one end is provided with a screw hole and a screw, and the screw is screwed in and out in the screw hole.

Furthermore, the middle part of the other end bulge is provided with an opening which is communicated with the sliding groove, so that fingers can extend out of the sliding groove through the opening, and the tin blocking strip is convenient to take.

Furthermore, one end of the bottom plate is provided with a stop block, and the stop block is used for aligning one end of the tin blocking strip.

Furthermore, a positioning groove is arranged on the stop block, and the length direction of the positioning groove is vertical to the straight groove opening; preferably, the locating slot is rectangular, and a plane of the rectangular groove is parallel to the plane of the bottom plate, so that when the tin blocking device is installed, the coincidence of an end face of the tin blocking strip and a side plane of the rectangular groove can be ensured, and a plurality of tin blocking strips are aligned.

Furthermore, the protruding end of the screw hole on the sliding base is matched with a screw which is a hand-screwed screw.

Furthermore, the clamping blocks are multiple and different in length, and the clamping blocks with proper length are installed according to the number of the tin blocking strips to be clamped during use. Preferably, the clamping block is provided with a notch along the length direction, and the notch has the same function as the opening in the middle of the bulge.

Furthermore, a plurality of straight notches are arranged in parallel; preferably, two straight notch openings are arranged, the sliding base of the clamping device is correspondingly provided with a lug matched with the two straight notch openings, and the two lugs move in the straight notch openings respectively, so that the clamping device is more stable in working.

Furthermore, a plurality of clamping devices are arranged, and the clamping effect can be improved by matching the plurality of clamping devices.

Further, the clamping device and the stopper are detachably mounted on the bottom plate, for example, by a bolt connection or a snap connection.

The utility model has the advantages that: the special fixture for processing the tin blocking strip can realize stable clamping of the tin blocking strip, can clamp a plurality of tin blocking strips at a time, and improves the processing efficiency; aiming at different numbers of tin blocking strips, the clamping blocks with different lengths can be selected, and the adaptability of the clamp is improved.

Drawings

Fig. 1 is a schematic perspective view of an embodiment of the present invention;

fig. 2 is a top view of an embodiment of the invention;

FIG. 3 is a state diagram of the embodiment of the present invention with more solder bars mounted thereon;

FIG. 4 is a state diagram when a fewer solder bars are clamped in an embodiment of the present invention;

in the figure: 1-bottom plate, 2-stop block, 3-sliding base, 4-clamping block, 5-manually screwed screw, 6-tin blocking strip and 11-straight notch.

Detailed Description

The present invention will be described in further detail with reference to specific embodiments, wherein components or systems not specifically described in the embodiments are known in the art. In the description of the present invention, it is to be understood that the terms "center", "upper", "lower", "front", "rear", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential", "longitudinal", and the like, indicate orientations or positional relationships based on the orientations or positional relationships illustrated 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.

Examples

As shown in fig. 1 to 4, the present embodiment is a special fixture for processing a tin bar, and includes a bottom plate 1 and a clamping device, where the bottom plate 1 is a uniform rectangular flat plate, and a straight notch 11 is formed on the bottom plate 1; the clamping device is matched with the straight notch 11 and can move along the direction of the straight notch 11; the clamping device comprises a sliding base 3 and a clamping block 4; a sliding chute which is vertical to the direction of the straight chute opening 11 is arranged on the sliding base 3; the clamping block 4 is matched with the sliding groove and can move along the direction of the sliding groove; the two ends of the sliding base 3 in the direction of the sliding groove are provided with protrusions, the protrusions at one end are provided with screw holes, the middle of the protrusions at the other end is provided with an opening, and the opening is communicated with the sliding groove, so that fingers can stretch out of the sliding groove through the opening, and the tin blocking strips 6 can be taken conveniently.

One end of the bottom plate 1 is provided with a stop block, the stop block is used for aligning one end of the tin blocking strip 6, in the embodiment, the stop block is provided with a positioning groove, the positioning groove is rectangular, and the length direction of the positioning groove is vertical to the straight notch 11; a plane of the rectangular groove is parallel to the plane of the bottom plate 1, so that the end face of the tin blocking strip 6 can be coincided with a side plane of the rectangular groove during installation, and the tin blocking strips 6 are aligned.

The bulge of the sliding base 3 with the screw hole is matched with a screw, and the screw is a hand-screwed screw 5.

The clamp block 4 in this embodiment is provided with a notch along the length direction, and the notch has the same function as the opening in the middle of the protrusion.

The clamping blocks 4 in the embodiment are various, the width of each clamping block 4 is the same as that of the sliding base 3, but the length of each clamping block 4 is different, and the clamping blocks 4 with proper length can be installed according to the number of the tin blocking strips 6 to be clamped when the tin blocking device is used.

In this embodiment, there are two straight notches 11, and they are arranged in parallel; the sliding base 3 of the clamping device is correspondingly provided with a lug matched with the two straight groove openings 11, and the two lugs move in the corresponding straight groove openings, so that the clamping device and the straight groove openings 11 are more stable in the matched work process.

In this embodiment, there are two clamping devices, and both the clamping device and the stopper are mounted on the bottom plate 1 through screws.

When the tin blocking device is used, as shown in fig. 3 or fig. 4, the tin blocking strip 6 is placed on the sliding base 3, the proper clamping block 4 is selected to be installed on the sliding base 3, the total width of the placed tin blocking strip 6 and the clamping block 4 is slightly smaller than the distance between the two bulges on the sliding base 3, then the hand-screwed screw 5 is rotated, one end of the screw presses the clamping block 4 to one side of the tin blocking strip 6, and finally the clamping function is achieved.

It is obvious that the above are only some embodiments of the present invention, and are not used for limiting the present invention, and for those skilled in the art, the present invention can have the combination and modification of the above various technical features, and those skilled in the art can replace the modifications, equivalents, or use the structure or method of the present invention in other fields to achieve the same effect without departing from the spirit and scope of the present invention, and all belong to the protection scope of the present invention.

Claims

1. The utility model provides a keep off tin bar processing special fixture, includes bottom plate and clamping device, and the bottom plate is even rectangle flat board, its characterized in that: a straight notch is arranged on the bottom plate; the clamping device is matched with the straight notch and freely moves along the direction of the straight notch; the clamping device comprises a sliding base and a clamping block; a sliding groove vertical to the straight groove opening is arranged on the sliding base; the clamping block is matched with the sliding groove and freely moves along the direction of the sliding groove; the sliding base is provided with bulges at two ends in the direction of the sliding groove, the bulge at one end is provided with a screw hole and is matched with a screw, and the screw is screwed in and out in the screw hole.

2. The special fixture for processing the tin blocking strip according to claim 1, characterized in that: the middle part of the other end bulge is provided with an opening which is communicated with the chute.

3. The special fixture for processing the tin blocking strip according to claim 1, characterized in that: one end of the bottom plate is provided with a stop block, and the stop block is used for aligning one end of the tin blocking strip.

4. The special fixture for processing the tin blocking strip according to claim 3, wherein: the stop block is provided with a positioning groove, and the length direction of the positioning groove is perpendicular to the straight notch.

5. The special fixture for processing the tin blocking strip according to claim 4, wherein: the locating slot is rectangular, and one plane of the rectangular slot is parallel to the plane of the bottom plate.

6. The special fixture for processing the tin blocking strip according to claim 5, wherein: the protruding end of the sliding base, which is provided with the screw hole, is matched with a screw, and the screw is screwed by hand.

7. The special fixture for processing the tin blocking strip according to claim 1, characterized in that: the clamping blocks are various in length, and the clamping blocks with proper lengths are installed according to the number of the tin blocking strips to be clamped during use.

8. The special fixture for processing the tin blocking strip according to claim 1, characterized in that: the notch has a plurality ofly, and mutual parallel arrangement.

9. The special fixture for processing the tin blocking strip according to claim 1, characterized in that: the clamping device and the stop block can be detachably arranged on the bottom plate.