CN202344095U

CN202344095U - Jig for tin furnace treatment

Info

Publication number: CN202344095U
Application number: CN2011204924689U
Authority: CN
Inventors: 黎增祺; 李俊武; 李进; 吴小明; 何成亮
Original assignee: Kunshan Ming Chuan Electronic Science And Technology Co Ltd
Current assignee: Kunshan Ming Chuan Electronic Science And Technology Co Ltd
Priority date: 2011-12-01
Filing date: 2011-12-01
Publication date: 2012-07-25
Anticipated expiration: 2021-12-01

Abstract

The utility model discloses a jig for tin furnace treatment. The jig comprises a frame and is characterized in that the inner side of the frame is at least provided with two parallelly opposite support seats, each support seat is provided with at least two groove groups, each groove group consists of multiple grooves, the grooves of different groove groups are equal in width while different in depth, at least two support rods are arranged on the support seats, two ends of the support rods are respectively erected in the grooves of the two opposite support seats, a plurality of fixing columns are arranged above the support rods, and the support rods are in threaded connection with the fixing columns. The jig is simple in structure and convenient to use, can effectively support printed circuit boards with various dimensions, and can adapt to printed circuit boards with elements in different heights.

Description

Tin furnace tool

Technical field

The utility model relates to a kind of tool, particularly relates to a kind of tin furnace tool.

Background technology

Final stage in the SMT stage; Usually need utilize the high temperature of tin stove that the inserting element on the printed circuit board (PCB) is carried out wave-soldering; The tin stove is through the chain shipping products; The orbital plane that its chain constitutes is that the maximum of horizontal plane and tin stove is held and highly is therefore in production, for the components and parts height on the printed circuit board (PCB) very big restriction is arranged by 22mm.

But along with the development and the demand of technology, the height of components and parts has been broken through the restriction of 22mm already, and traditional technical approach is owing to receive the condition restriction of tin stove; Be difficult to accomplish smoothly welding job,, then must cause the increase of cost if update the equipment; As do not update the equipment, its production is restricted, and has a strong impact on production capacity; Can't comply with the demand in market, and the size excursion of printed circuit board (PCB) itself is very big, the tool of existing single size shape can't satisfy the demand of different size printed circuit board (PCB); According to different circuits plate different tool customized, with high costs.

Moreover, the printed circuit board (PCB) of large-size is when passing through the tin stove, under the influence of high temperature; Circuit board is easy to generate deformation, even can drop from transmission chain, has a strong impact on production efficiency; And traditional tool can't address this problem for the middle part underbraced of printed circuit board.

The utility model content

The utility model technical problem to be solved is the deficiency that overcomes prior art; Provide a kind of simple in structure; Easy to use, can effectively support the tin furnace tool that also can adapt to the printed circuit board (PCB) of differing heights components and parts to the printed circuit board (PCB) of various sizes.

For solving the problems of the technologies described above, the utility model provides a kind of tin furnace tool, comprises frame; It is characterized in that: said scuncheon is provided with two parallel relative supporting seats at least; Said each supporting seat is provided with at least two groove groups, and said each groove group is made up of a plurality of grooves, and the recess width of said different groove groups is identical and the degree of depth is all inequality; Said supporting seat is provided with at least two support bars; The two ends of said support bar are set up in respectively in the groove of two relative supporting seats, and said support bar top is provided with a plurality of fixed legs, and said support bar is threaded with fixing.Through with width but at least two groove groups that different depth recess is formed, can obtain the various supports height in the different recesses group and support bar is arranged at, two support bars are arranged in the different grooves of a groove group; Can obtain a steady supporting surface, so that printed circuit board (PCB) is carried out good supporting, when the components and parts height is higher; When especially the components and parts height surpasses 22mm on the printed circuit board (PCB), can support bar be arranged in the lower groove group, otherwise then be arranged in the higher groove group; The demand that has adapted to differing heights components and parts circuit board through the groove location of adjustable support bar in the groove group, can be selected proper supporting bar spacing distance as required; To adapt to the printed circuit board (PCB) of different size specification, guarantee firm support, for large-sized printed circuit board (PCB); Support bar more than three or three can also be set; So that the support to printed circuit board (PCB) middle part or yielding zone to be provided, prevent after the printed circuit board (PCB) temperature distortion that on tool offset even the situation that drops take place, moreover; Support bar is provided with the fixed leg that is threaded; Can be used for printed circuit board (PCB) on the reservation fixing hole link to each other, make being fixed on the support bar that printed circuit board (PCB) can be more stable, guarantee that non-migration does not drop in the operation.

Aforesaid tin furnace tool is characterized in that: said supporting seat has four, the foursquare carriage of the parallel in twos relative formation of said four supporting seats.Four supporting seats constitute foursquare carriage, so support bar can select two relative supporting seats to set up arbitrarily, have enlarged the applicability of tool.

Aforesaid tin furnace tool is characterized in that: be equipped with two groove groups on said each supporting seat, the groove of said two groove groups is provided with successively at interval.The groove of two groove groups and different groove groups is provided with successively at interval; Arrangement regulation; Simple in structure, the space makes the support bar that sets up also have minimum separation distances simultaneously, because support bar need not adjacent setting up usually; So the practicality of this aligning method is stronger, the space waste that also can avoid unreasonable groove to arrange and cause.

Aforesaid tin furnace tool is characterized in that: said support bar has four.Four support bars can especially provide extra support in the middle part in the zone to easy temperature distortion through rational layout when guaranteeing steady supporting printing board.

The beneficial effect that the utility model reached is:

Simple in structure, easy to use, can effectively support the printed circuit board (PCB) that also can adapt to the differing heights components and parts to the printed circuit board (PCB) of various sizes.

Description of drawings

Fig. 1 is the overall structure sketch map of the utility model;

Fig. 2 is the structure cutaway view of A-A direction among Fig. 1.

The specific embodiment

Below in conjunction with accompanying drawing the utility model is further described.

Like Fig. 1, shown in Figure 2; Frame 1 inboard of tin furnace tool is provided with four supporting seats 2 and the foursquare carriage of parallel in twos relative composition, is equipped with two groove groups on each supporting seat 2, and each groove group is made up of a plurality of grooves 3; Groove 3 width of two groove groups are identical and the degree of depth is different; And the groove 3 of different groove groups is provided with at interval successively, and supporting seat 2 is provided with four support bars 4, and the two ends of support bar 4 are set up in respectively in the groove 3 of the same degree of depth of two relative supporting seats 2; Support bar 4 tops are provided with a plurality of fixing 5 posts, and support bar 4 is threaded with fixed leg 5.

During practical operation, just select suitable groove group and support bar 4 layouts according to the size of printed circuit board (PCB) and the height of components and parts, the height that is specially components and parts is high; Then support bar 4 is set up in the darker groove group of groove 3 degree of depth, promptly obtain lower supporting plane, otherwise the height of components and parts is low; Then can support bar 4 be set up in the more shallow groove group of groove 3 degree of depth; Promptly obtain higher supporting plane, when printed circuit board sizes is big, support bar 4 is disperseed to set up to make it stable support is provided to printed circuit board (PCB) two ends and middle part; When printed circuit board sizes hour; Can with support bar 4 set up comparatively tight, guaranteeing to support under the sufficiently stable prerequisite even can reduce the use of support bar 4, printed circuit board (PCB) is connected with support bar 4 through fixed leg 5; Earlier with fixed leg 5 fixed positions alignment on fixing hole of reserving on the printed circuit board (PCB) and the printed circuit board (PCB); Then with fixed leg 5 pass on the printed circuit board (PCB) fixing hole and through being threaded into support bar 4, thereby printed circuit board (PCB) and support bar 4 is fixing, support effect is more firm.

Because two groove group degree of depth of supporting seat 2 differ; Therefore when frame 1 is connected with supporting seat 2; The groove 3 that horizontal level is lower can be arranged on supporting seat 2 with respect to frame 1 local structure of sinking; So can further improve applicability, owing to this structure obtains for those skilled in the art combine the easy association of this programme, so do not give unnecessary details to the higher printed circuit board (PCB) of components and parts height.

The utility model is simple in structure, and is easy to use, can effectively support and can adapt to the printed circuit board (PCB) of differing heights components and parts to the printed circuit board (PCB) of various sizes.

Above embodiment limits the utility model never in any form, every above embodiment is made with the equivalent transformation mode other improve and use, all belong to the protection domain of the utility model.

Claims

1. tin furnace tool; Comprise frame, it is characterized in that: said scuncheon is provided with two parallel relative supporting seats at least, and said each supporting seat is provided with at least two groove groups; Said each groove group is made up of a plurality of grooves; The recess width of said different groove groups is identical and the degree of depth is all inequality, and said supporting seat top is provided with at least two support bars, and the two ends of said support bar are set up in respectively in the groove of two relative supporting seats; Said support bar top is provided with a plurality of fixed legs, and said support bar is threaded with fixing.

2. tin furnace tool according to claim 1 is characterized in that: said supporting seat has four, the foursquare carriage of the parallel in twos relative formation of said four supporting seats.

3. tin furnace tool according to claim 2 is characterized in that: be equipped with two groove groups on said each supporting seat, the groove of said two groove groups is provided with successively at interval.

4. tin furnace tool according to claim 3 is characterized in that: said support bar has four.