CN219151808U

CN219151808U - Fixture tool for reflow soldering

Info

Publication number: CN219151808U
Application number: CN202223110359.3U
Authority: CN
Inventors: 方浩; 王德
Original assignee: Wuhu Tianruijie Precision Electronic Equipment Co ltd
Current assignee: Wuhu Tianruijie Precision Electronic Equipment Co ltd
Priority date: 2022-11-23
Filing date: 2022-11-23
Publication date: 2023-06-09
Anticipated expiration: 2032-11-23

Abstract

The utility model discloses a fixture tool for reflow soldering, which comprises a base, a workpiece and a long pressing plate, wherein the workpiece is arranged at the top end of the base, the long pressing plate is arranged above the workpiece, a plurality of positioning holes are formed in the top end of the long pressing plate, a movable groove is formed in one end of the workpiece, mounting holes are formed in four corners of the top end of the long pressing plate, a first positioning cylinder is arranged at the four corners of the top end of the base, a first multi-layer step is arranged on the outer wall of the first positioning cylinder, a second positioning cylinder is arranged at the four corners of the outer wall of the base, a second multi-layer step is arranged on the outer wall of the second positioning cylinder, a side plate is arranged on the outer wall of the second multi-layer step, a plurality of movable grooves are formed in the side plate and the long pressing plate, the device is in contact with the workpiece through a top column, a spring is contracted, the position of the workpiece can be automatically elastically compressed under the spring action, and the production efficiency is improved.

Description

Fixture tool for reflow soldering

Technical Field

The utility model relates to the technical field of fixture tools, in particular to a fixture tool for reflow soldering.

Background

Reflow soldering refers to the process of soldering one or more electronic components to a printed circuit board by using solder paste, after which the solder is melted by controlling the heating to achieve permanent bonding, and soldering can be performed by using a reflow oven, an infrared heating lamp or a heat gun, etc. which are the most commonly used methods for bonding electronic components to printed circuit boards by using surface mount technology, and connecting electronic components by through-hole insertion. The through hole insertion is to fill the existing holes on the circuit board with solder paste, insert pins into the solder paste, and insert the electronic component onto the board for soldering.

However, the existing jig tools for reflow soldering have the following problems in use: during traditional welding, a positioning and scribing welding mode is needed, so that the working steps are increased, the production efficiency is low, in addition, workpiece products and components with different heights cannot be positioned and pressed, the size is easy to deviate during welding, and the product precision is low.

Disclosure of Invention

The utility model aims to provide a fixture tool for reflow soldering, which solves the related problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a fixture for reflow soldering, includes base, work piece and long clamp plate, the top of base is provided with the work piece, and the top of work piece is provided with long clamp plate, a plurality of locating holes have been seted up on the top of long clamp plate, the one end of work piece is provided with the movable groove, the mounting hole has been seted up to the four corners position department on long clamp plate top, first positioning cylinder is installed to the four corners position department on base top, and the outer wall of first positioning cylinder is provided with first multilayer step, second positioning cylinder is installed to the four corners position department of base outer wall, and the outer wall of second positioning cylinder is provided with second multilayer step, the outer wall of second multilayer step is provided with the sideboard, and a plurality of movable grooves have all been seted up to sideboard and long clamp plate inside, the movable groove inside is provided with and is used for compressing tightly the hold-down assembly of work piece position.

The technical scheme provides a fixture for reflow soldering, the inside of locating hole is provided with the locating lever, and locating lever and locating hole belong to threaded connection relation.

The technical scheme provides a fixture for reflow soldering, a plurality of lightening holes have all been seted up to base, long clamp plate and side board department.

The technical scheme provides a fixture for reflow soldering, the outer wall of first multilayer step is provided with the screw layer, and the outside on screw layer is provided with fixation nut.

According to the fixture tool for reflow soldering, the outer wall of the second multilayer step is provided with the threaded layer, and the fixing nut is arranged outside the threaded layer.

The technical scheme provides a fixture for reflow soldering, compress tightly the subassembly and include spliced pole and spring, the inside spliced pole that contacts with the work piece that is provided with of movable groove, and the outer wall cover of spliced pole is equipped with the spring.

Compared with the prior art, the utility model provides a fixture tool for reflow soldering, which has the following beneficial effects:

1. according to the utility model, the long pressing plate drives the jacking column to downwards contact with the workpiece, the jacking column contacts with the workpiece, and the extrusion force drives the jacking column to move in the movable groove, so that the spring is contracted, the workpiece can be elastically and automatically pressed under the action of the self elasticity of the spring, and the production efficiency is improved.

2. According to the utility model, the long pressing plate penetrates through the first multi-layer step to be retained at the step positions with different widths at the first multi-layer step, and at the moment, the rotary fixing nut is sleeved at the outer wall position of the first multi-layer step, so that the positions of the base and the long pressing plate are fixed, and the requirements of workpieces with different heights are met through the steps with different widths.

Drawings

FIG. 1 is a perspective view of the present utility model;

FIG. 2 is a perspective view of a base and a first positioning cylinder of the present utility model;

FIG. 3 is a perspective view of a long platen and pilot hole of the present utility model;

fig. 4 is a front cross-sectional view of the long platen and the hold down of the present utility model.

In the figure: 1. a base; 2. a workpiece; 3. a long pressing plate; 4. a mounting hole; 5. a lightening hole; 6. positioning holes; 7. a first positioning cylinder; 8. a first multi-layer step; 9. a side plate; 10. a second positioning cylinder; 11. a second multi-layer step; 12. a spring; 13. a movable groove; 14. and (5) a top column.

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.

Embodiment 1, as shown in fig. 1-2, the present utility model provides a technical solution: a fixture for reflow soldering comprises a base 1, a workpiece 2 and a long pressing plate 3, wherein the workpiece 2 is arranged at the top end of the base 1, the long pressing plate 3 is arranged above the workpiece 2, a plurality of positioning holes 6 are formed in the top end of the long pressing plate 3, a movable groove 13 is formed in one end of the workpiece 2, mounting holes 4 are formed in the four corners of the top end of the long pressing plate 3, a first positioning cylinder 7 is arranged at the four corners of the top end of the base 1, a first multilayer step 8 is arranged on the outer wall of the first positioning cylinder 7, a thread layer is arranged on the outer wall of the first multilayer step 8, a fixing nut is arranged on the outer portion of the thread layer, a thread layer is arranged on the outer wall of a second multilayer step 11, a plurality of weight reducing holes 5 are formed in the positions of the base 1, the long pressing plate 3 and the side plate 9, the weight of the long pressing plate can be reduced by arranging the workpiece 2 at the positions of the base 1, the long pressing plate 3 penetrates through the first multilayer step 8, the fixing nut is meshed with the first multilayer step 8 on the first multilayer step 8, and the first multilayer step 8 is meshed with the first multilayer step 8 on the first multilayer plate 9.

In example 2, as shown in fig. 1-4, the present utility model provides a technical solution: the utility model provides a fixture for reflow soldering, include, second positioning tube 10 is installed to the four corners position department of base 1 outer wall, and the outer wall of second positioning tube 10 is provided with second multilayer step 11, the outer wall of second multilayer step 11 is provided with side board 9, and a plurality of movable slots 13 have all been seted up to side board 9 and long clamp plate 3 inside, the inside hold-down subassembly that is used for compressing tightly work piece 2 positions that is provided with of movable slot 13, the inside of locating hole 6 is provided with the locating lever, and the locating lever belongs to threaded connection relation with locating hole 6, hold-down subassembly includes jack post 14 and spring 12, the inside jack post 14 that is provided with of movable slot 13 is contacted with work piece 2, and the outer wall cover of jack post 14 is equipped with spring 12, drive jack post 14 downward and work piece 2 department through long clamp plate 3 and contact, then contact with work piece 2 through jack post 14, and drive jack post 14 at movable slot 13 internal movement through the extrusion force, thereby spring 12 takes place to shrink, and can carry out elastic compaction to work piece 2 positions under the effect through spring 12 self elasticity.

Working principle: firstly, the workpiece 2 is placed at the base 1, then the long pressing plate 3 passes through the first multi-layer step 8, the long pressing plate is retained at the step positions with different widths at the first multi-layer step 8, then the fixing nut is sleeved at the outer wall position of the first multi-layer step 8, at the moment, when the long pressing plate 3 moves downwards, the workpiece 2 is extruded through the jacking posts 14, the spring 12 is contracted, the position of the workpiece 2 can be elastically compressed under the action of the self elastic force of the spring 12, when the position of the workpiece 2 is required to be further fixed, the positioning rod is required to rotate in the positioning hole 6 to fix the position of the workpiece 2, and the structure is simple to operate and convenient to use.

Finally, it should be noted that the above description is only for illustrating the technical solution of the present utility model, and not for limiting the scope of the present utility model, and that the simple modification and equivalent substitution of the technical solution of the present utility model can be made by those skilled in the art without departing from the spirit and scope of the technical solution of the present utility model.

Claims

1. A fixture for reflow soldering, includes base, work piece and long clamp plate, its characterized in that: the top of base is provided with the work piece, and the top of work piece is provided with long clamp plate, a plurality of locating holes have been seted up on the top of long clamp plate, the one end of work piece is provided with the movable groove, the mounting hole has been seted up to the four corners position department on long clamp plate top, first positioning cylinder is installed to the four corners position department on base top, and the outer wall of first positioning cylinder is provided with first multilayer step, the second positioning cylinder is installed to the four corners position department of base outer wall, and the outer wall of second positioning cylinder is provided with the second multilayer step, the outer wall of second multilayer step is provided with the sideboard, and a plurality of movable grooves have all been seted up to sideboard and long clamp plate inside, the movable groove is inside to be provided with and is used for compressing tightly the compression assembly of work piece position.

2. The fixture tool for reflow soldering of claim 1, wherein: the inside of locating hole is provided with the locating lever, and locating lever and locating hole belong to threaded connection relation.

3. The fixture tool for reflow soldering of claim 1, wherein: the base, the long pressing plate and the side plates are provided with a plurality of lightening holes.

4. The fixture tool for reflow soldering of claim 1, wherein: the outer wall of the first multilayer step is provided with a thread layer, and the outside of the thread layer is provided with a fixing nut.

5. The fixture tool for reflow soldering of claim 1, wherein: the outer wall of the second multilayer step is provided with a thread layer, and the outside of the thread layer is provided with a fixing nut.

6. The fixture tool for reflow soldering of claim 1, wherein: the pressing assembly comprises a jacking column and a spring, the jacking column is arranged in the movable groove and is contacted with the workpiece, and the spring is sleeved on the outer wall of the jacking column.