CN1329179C

CN1329179C - Hot pressing method for binding post

Info

Publication number: CN1329179C
Application number: CNB2004100696616A
Authority: CN
Inventors: 陈召唐
Original assignee: Inventec Appliances Corp
Current assignee: Inventec Appliances Corp
Priority date: 2004-07-12
Filing date: 2004-07-12
Publication date: 2007-08-01
Anticipated expiration: 2024-07-12
Also published as: CN1721165A

Abstract

The present invention relates to a hot pressing method for a binding post. Firstly, a binding seat made of plastic materials is supplied, wherein the binding face of the binding seat faces to the lower part; subsequently, a binding post which is made of metal materials is supplied, and the binding post is arranged under the binding face of the binding seat; then, the binding post is heated to temperature which is required by hot press; finally, the binding post is exerted with upward force, and the binding post is hot pressed in the binding seat from lower part to upper part.

Description

The hot-press method of column

Technical field

The present invention refers to a kind of method that the column of metal material can be fixed in the plastic cement material connecting support with the hot pressing method especially relevant for a kind of pressing mode of column.

Background technology

Present common on the market electronic product, its assembling mode major part is all interosculated by loam cake and lower cover and is formed.Wherein, loam cake is to constitute this electronic product shell with combining of lower cover, and some main electronic components of electronic product, for example circuit board, IC wafer etc. all are the inside that is installed on shell.

The mode that loam cake combines with lower cover has a variety of, please refer to Fig. 1, and Fig. 1 is common a kind of upper and lower covers combination schematic diagram.Wherein, lower cover 120 (or loam cake) internal preset of electronic product 100 has a plurality of columns 121, is preset with an inner bolt hole 122 in the middle of the column 121; Simultaneously, the loam cake 110 (or lower cover) of electronic product 100 is provided with a plurality of screws 111, the inner bolt hole 122 of the position of screw 111 and column 121 in correspondence with each other, after loam cake 110 and lower cover 120 cover mutually, utilize a plurality of screws 112 again, pass screw 111 by loam cake 110 respectively, and interosculate with the inner bolt hole 122 of the column 121 of lower cover 120, loam cake 110 can firmly be combined with lower cover 120, and then finish the assembling of electronic product 100.

Most electronic product 100, its loam cake 110 is all made by plastic cement material with lower cover 120.In the process of plastic jetting forming, the screw thread of the inner bolt hole 122 of column 121 is difficult to be shaped simultaneously, therefore, the manufacture of column 121 mainly is the lower cover 120 internal configurations connecting supports 123 (please refer to Fig. 2 A) at electronic product 100, and wherein connecting support 123 is a groove structure.Then, ready-made metal material column 130 is incorporated among the connecting support 123 in the mode of hot pressing, because connecting support 123 is a plastic cement material, itself and column 121 be combined into interference engagement, therefore after this hot pressing step of process, column 121 can firmly be combined among the lower cover 120.

Please refer to Fig. 2 A and Fig. 2 B, heating head 130 wherein, in above-mentioned hot pressing process, indispensable machining machine and tool.The major function of heating head 130 is for providing column 121 needed temperature and pressure in the hot pressing process.The structure of heating head 130 comprises a pedestal 131 and a projection 132, wherein, pedestal 131 is a column structure, its bottom is connected (not shown) with a hydraulic cylinder or oil hydraulic cylinder, carry out reciprocal pressing campaign in order to drive pedestal 131, in addition, pedestal 131 (not shown) that more combines with a thermal source; Projection 132 is incorporated into the end of pedestal 131, can with the inner bolt hole 122 mutual fits of column 121.

Before the projection 132 of heating head 130 is inserted in the inner bolt hole 122 of column 121, column at first is disposed at the top of connecting support 123, its bottom surface 124 is against the end face 124 of connecting support 123, then the projection 132 of heating head 130 is inserted in the inner bolt hole 122 of column 121, this moment, the end 133 of pedestal 131 can contact with each other with the surface of column 121, the contact-making surface that the temperature of pedestal 131 can directly see through end 133 is passed to column 121, or see through projection 132 indirectly and be passed to column 121 after the temperature of column 121 reaches the required temperature of hot pressing, again by pedestal 131 with column 121 hot pressings to the connecting support 123 of lower cover 120 inside.At last, again heating head 130 is removed, be the finished product (please refer to Fig. 2 C) of the screw that can lock.

Yet, the hot pressing method of known technology, it is the top that column 121 is configured in connecting support 123 earlier, pedestal 130 is again with down pressing of projection 131, though such hot pressing step can make the column 121 after the heating closely firm with connecting support 123 fits, but will be how the top is an existence technical problem for a long time to the connecting support 123 disposing with column 121 accurately, in addition, even column 121 is configured in connecting support 123 tops accurately, at pedestal 131 down in the process of pressing, because column 121 only is the top that leans against connecting support 123, any effect support force is not arranged between the two, so usually in the process of down pressing, cause the deflection of column 121, though make ensuing hot pressing action to reach, but the combination of the two has the space, and is not exclusively tight, and then has influence on the quality of finished product.Please refer to Fig. 3 A, B and Fig. 4 A, B, Fig. 3 A, B and Fig. 4 A, B are in the known technology, in the column 121 hot pressing processes because of finished product defective schematic diagram that deflection caused.Among Fig. 3 A, when heating head 130 down during pressing, cause deflection because of column 121 lacks support forces, so after pressing finishes, the column 121 that is incorporated in the connecting support 123 is (Fig. 3 B) of deflection.When above-mentioned deflection finished product will be locked the screw of corresponding its inner bolt hole 122, can cause as among Fig. 4 A because of the deflection of column, lock screw 140 firmly and cause the application of force uneven so that the connecting support 123 of plastic cement material and the uneven consequently situation of be full of cracks of loam cake 110 local pressures of plastic cement material, or cause as among Fig. 4 B, the situation that screw 150 can't be locked fully, no matter be above-mentioned which kind of defective, all caused the bad of the problem of screw locking and then quality of finished.

Therefore, for the personage who is engaged in association area, there's no one who doesn't or isn't be devoted to find out the hot pressing method of a greater efficiency, in the hope of solving the shortcoming of known technology, to improve product quality.

Summary of the invention

Main purpose of the present invention provides a kind of hot pressing method, can be with the column of metal material with the hot pressing method not on the connecting support that is fixed in plastic cement material of deflection.

Another main purpose of the present invention provides a kind of hot pressing method, under the prerequisite that does not increase the technology cost, has improved and has utilized column and connecting support to carry out the quality of the product of hot pressing.

The present invention is the hot pressing method that discloses a kind of column, utilizes a heating head with projection, the column of a metal material is incorporated into the connecting support of a plastic cement material.At first this connecting support is disposed down with the faying face direction; Then this column is disposed at the below of this faying face of this connecting support, wherein this column has a combined hole; Next with the mutual fit of the projection of this combined hole and this heating head; Utilize this heating head that this column is heated to the needed temperature of hot pressing afterwards; Utilize this heating head that this column is applied one at last and upward pressure, with this column from lower to upper hot pressing among this connecting support.

The invention is characterized in: support column with heating head earlier, again column is up carried out hot pressing to connecting support, so can avoid column in the process of hot pressing in default of supporter and deflection thereby cause the bad known technology problem of product quality.

Description of drawings

More than all can clearer understanding be arranged in conjunction with the accompanying drawings for various kinds characteristics that the present invention introduced and other about attached advantage of the present invention by following more detailed description, wherein,

Fig. 1 utilizes screw to combine the schematic diagram of loam cake and lower cover with column for the electronic product of known technology;

Fig. 2 A, 2B, 2C are that known technology utilizes heating head column and connecting support to be carried out the schematic diagram of hot pressing;

Fig. 3 A, 3B, 4A, 4B are in the known technology, the finished product defective schematic diagram that is caused because of the column deflection.

Fig. 5 A, 5B, 5C are the specific embodiment schematic flow sheet of disclosed hot pressing method.

The specific embodiment

Please refer to Fig. 5 A, Fig. 5 B, and Fig. 5 C, this three figure is the specific embodiment schematic flow sheet of disclosed hot pressing method.Content as prior art is described, the column 200 of metal material and the connecting support 400 of plastic cement material be carried out combination, mainly need utilize a heating head 300 with the form of hot pressing column 200 to be incorporated among the connecting support 400.Wherein, connecting support 400 is a plastic cement groove, and 200 of columns be combined into an interference engagement; And column 200 employed metal materials are best with copper, a combined hole 210 are arranged, as inner bolt hole in column 200.Employed heating head 300 in the hot pressing method of the present invention has comprised a pedestal 310 and a projection 320, and wherein, projection 320 is positioned at an end 330 of pedestal 310, can be sleeved in the combined hole 210 of above-mentioned column 200; The bottom of pedestal, the (not shown) that links to each other with a drive source and a thermal source, wherein, drive source is a hydraulic cylinder or oil hydraulic cylinder, needed pressure when providing pedestal 310 to carry out hot pressing; Needed temperature when thermal source then provides column 200 and connecting support 400 to carry out hot pressing in order to heating base 310.

Please refer to Fig. 5 A, Fig. 5 A illustrates the disclosed needed primary element of hot pressing method, connecting support 400, column 200, and heating head 300.Wherein, the direction of connecting support 400 is towards the below, heating head 300 then be with projection 320 up direction and with the position configuration of corresponding connecting support.The person of connecing, overlap column 200 on the projection 320 that is bonded to heating head 300 from top to bottom, the lower surface of column 200 contacts with the end 330 complete driving fits of pedestal 310, but 300 of column and heating heads there is no any active force, and column 200 only is to support and be linked on the heating head 300 (please refer to Fig. 5 B) with pedestal 310.This step solved formerly technology described in, column 121 lacks supporter, cause the crooked problem of pressing process, more need not buy more the element of support in the hot pressing process, not only having solved crooked problem also need not increase processing procedure cost in the hot pressing process.

Next, thermal source meeting heating base 310, the temperature of pedestal 310 can directly see through end 330 and projection 320 and be passed to column 200, after the temperature of column 200 arrives the required temperature of hot pressing, drive source can provide hot pressing required power see through pedestal 310 with column 200 from lower to upper hot pressing to connecting support 400, (please refer to Fig. 5 C).Since heating head 300 be configured at the very start connecting support 400 under, therefore, the pedestal 310 that drive source column 200 with fit is up during pressing, it is improper because of allocation position not have the said column 121 of prior art, or no supporter and the crooked problem that produces in the pressing process, hot pressing method of the present invention can make column 200 complete driving fits be pressure bonded among the connecting support 400, has improved the quality of finished product greatly.

In addition, end 330 areas of the pedestal 310 of the heating head 300 in the hot pressing method of the present invention are less than the area on column 121 surfaces, that is the inner edge of end 330 is positioned at the outer rim inboard of column 200, so, can avoid the end 330 of pedestal 310 in the pressing process, directly to contact with connecting support 400, avoid the connecting support 400 of plastic cement material in the hot pressing process to cause damage, and then guarantee the quality of hot pressing because of overheated.

Hot pressing method of the present invention though only be the improved process for making of known hot pressing technology, successfully supports column by not needing to add the processing procedure cost in addition with heating head, has solved the bad subject matter of quality of finished in the known technology.

The above is preferred embodiment of the present invention only, is not so limits claim of the present invention; All other do not break away from following equivalence of finishing of disclosed spirit and changes or modification person, all should be considered as the present invention's protection category.

Claims

1. the hot pressing method of a column, its step comprises:

The connecting support of one plastic cement material is provided, wherein the faying face of this connecting support down, this connecting support is a plastic cement groove;

The column of one metal material is provided, and this column is positioned at the below of the faying face of this connecting support, and this column and this plastic cement groove are interference engagement;

This column is heated to the needed temperature of hot pressing; And

This column is applied one upwards pressure, with this column from lower to upper hot pressing among this connecting support.

2. the hot pressing method of column as claimed in claim 1 is characterized in that, the center of this column is provided with a combined hole.

3. the hot pressing method of column as claimed in claim 2 is characterized in that, the projection of the combined hole of this column and a heating head is fit mutually, and by the upward pressure that this heating head provided, and this column is pressed among this connecting support.

4. the hot pressing method of a column is to utilize a heating head with projection, and the column of a metal material is incorporated into the connecting support of a plastic cement material, and this connecting support has a groove, and this column and this groove are interference engagement, and its step comprises:

This connecting support is disposed down with the faying face direction;

This column is disposed at the below of this faying face of this connecting support, and wherein this column has a combined hole;

The mutual fit of this projection with this combined hole and this heating head;

Utilize this heating head that this column is heated to the needed temperature of hot pressing;

Utilize this heating head that this column is applied one and upward pressure, with this column from lower to upper hot pressing among this connecting support.

5. the hot pressing method of column as claimed in claim 4 is characterized in that, the material of this column is the copper metal.

6. the hot pressing method of column as claimed in claim 4 is characterized in that, the combined hole of this column is an inner bolt hole.

7. the hot pressing method of column as claimed in claim 4 is characterized in that, the top part area of this heating head is less than the surface area of this column.

8. the hot pressing method of column as claimed in claim 4 is characterized in that, the drive source of this heating head is a hydraulic cylinder.

9. the hot pressing method of column as claimed in claim 4 is characterized in that, the drive source of this heating head is an oil hydraulic cylinder.