CN110315461B

CN110315461B - Pressing tool

Info

Publication number: CN110315461B
Application number: CN201810264647.3A
Authority: CN
Inventors: 李欢
Original assignee: Nanning Fugui Precision Industrial Co Ltd
Current assignee: Nanning Fulian Fugui Precision Industrial Co Ltd
Priority date: 2018-03-28
Filing date: 2018-03-28
Publication date: 2021-07-13
Anticipated expiration: 2038-03-28
Also published as: CN110315461A

Abstract

The invention provides a pressing tool for pressing a first pressed object to a second pressed object, comprising: a support comprising a snap-fit portion for positioning the first compression compound; the pressing piece comprises a pressing part for pressing the first pressing material; and a connecting assembly movably connecting the support member and the pressing member; when the first pressing object is positioned at the clamping part and the supporting part is pressed against the second pressing object, the pressing element is pressed and moves towards the supporting part, and the pressing part acts on the first pressing object so that the first pressing object is clamped to the second pressing object. The pressing tool provided by the invention firstly positions the first pressing object through the clamping part of the supporting piece, and then presses the first pressing object into the second pressing object through the pressing piece, so that the first pressing object is stably stressed, and electronic components on the second pressing object cannot be extruded; simple structure, convenient to use, effectual pressfitting efficiency and the pressfitting quality of having improved.

Description

Pressing tool

Technical Field

The invention relates to the technical field of auxiliary tools, in particular to a pressing tool.

Background

For electronic products, various chips integrated on a circuit board are very important parts. When the chip works, the chip emits a large amount of heat, and for the normal work of the chip, the radiating fin is required to be installed on the circuit board, and the heat emitted by the chip is conducted out in time through the radiating fin.

Currently, when the heat sink is mounted on the circuit board, the expansion nail is generally mounted on the heat sink, and the expansion nail is pressed into the circuit board by pressing one end of the heat sink manually or with the aid of a tool, and then pressing the other end of the heat sink. However, the manual or tool-assisted step-by-step pressing method easily causes uneven stress on the heat sink during pressing, and the heat sink may crush the chip on the circuit board, so that the chip cannot work normally, and the yield and quality are affected.

Disclosure of Invention

In view of the above, it is desirable to provide a bonding tool with a simple structure and uniform force during pressing, so as to prevent the chip from being crushed during the mounting of the heat sink.

In order to achieve the above object, the present invention provides a press tool including:

a bonding tool for pressing a first bonding object to a second bonding object, comprising:

a support comprising a snap-fit portion for positioning the first compression compound;

the pressing piece comprises a pressing part for pressing the first pressing material; and

a connecting assembly movably connecting the support member and the press member;

when the first stitching object is positioned at the clamping part and the supporting piece is pressed against the second stitching object, the stitching object is pressed and moves towards the supporting piece, and the stitching part acts on the first stitching object so that the first stitching object is clamped to the second stitching object.

Furthermore, the clamping part is of a hollow structure and comprises a first opening and a first clamping wall; the pressing part is a groove and comprises a second opening and a second clamping wall; the first pressfitting object comprises a cap part and a rod part, the first opening is sleeved in the rod part, the first clamping wall is abutted against the rod part, the second opening is sleeved in the cap part, and the second clamping wall is abutted against the cap part, so that the first pressfitting object is positioned in the supporting part.

Further, the pressing part further comprises a pressing wall, and the pressing wall acts on the cap part in the process that the pressing part is pressed and moves towards the support part, so that the rod part is clamped to the second pressing part.

Further, the connecting assembly comprises a first connecting piece and a second connecting piece which are respectively movably sleeved on the pressing piece and the supporting piece, and the first connecting piece is connected with the second connecting piece so as to movably connect the pressing piece to the supporting piece.

Further, coupling assembling still includes the elastic component, the elastic component cover is located first connecting piece, works as the pressfitting spare is pressed to when support piece, the both ends of elastic component support respectively the pressfitting spare with support piece.

Furthermore, the first connecting piece is provided with an internal thread, the second connecting piece is provided with an external thread, and the first connecting piece and the second connecting piece are connected through the matching of the internal thread and the external thread.

Further, when the first connecting piece is rotated clockwise or anticlockwise and is rotated relative to the second connecting piece, the screwing length of the internal thread and the external thread is reduced or increased, and the distance between the pressing piece and the supporting piece is reduced or increased so as to adapt to the first pressing compounds with different lengths.

Furthermore, the pressing piece comprises a plurality of pressing arms, the pressing parts are arranged on the pressing arms, and the pressing arms are sequentially connected end to form through holes; the support piece comprises a first support arm, a second support arm and an insertion opening formed between the first support arm and the second support arm, and the insertion opening is arranged corresponding to the through hole.

Further, the first support arm is longer than the second support arm.

Further, the pressing piece and the supporting piece are both made of bakelite.

Therefore, the pressing tool provided by the invention firstly positions the first pressing object through the clamping part of the supporting part and then presses the first pressing object into the second pressing object through the pressing part, the first pressing object is stably stressed, and the electronic component on the second pressing object cannot be extruded; the distance between the supporting piece and the pressing piece is adjusted through the connecting component so as to adapt to the first pressing materials with different lengths, and the application range is wide; simple structure, easily equipment, labour saving and time saving has effectually improved pressfitting efficiency and pressfitting quality.

Drawings

Fig. 1 is a schematic structural diagram of a bonding tool according to an embodiment of the present invention, the bonding tool includes a supporting member, a connecting member, and a pressing member.

Fig. 2 is a schematic structural view of the pressing tool shown in fig. 1 at another angle.

Fig. 3 shows an exploded view of the connection assembly of fig. 1.

Fig. 4 is a schematic structural view illustrating the combination of the pressing tool and the first pressing object of the heat sink in fig. 1.

Fig. 5 is a schematic structural view illustrating the pressing tool in fig. 4 pressing the first pressing member of the heat spreader to the second pressing member.

Description of the main elements

The following detailed description will further illustrate the invention in conjunction with the above-described figures.

Detailed Description

Fig. 1 is a schematic structural diagram of a bonding tool 100 according to an embodiment of the invention. In fig. 1, the pressing tool 100 includes a supporting member 110, a connecting member 120, and a pressing member 130, wherein the supporting member 110 is movably connected to the pressing member 130 via the connecting member 120. In order to prolong the service life of the pressing tool, it is preferable that the supporting member 110 and the pressing member 130 are made of bakelite.

Referring to fig. 2, the supporting member 110 includes supporting

arms

111, 112 and 113, the supporting arm 111 connects the supporting

arms

112 and 113, and the supporting

arms

111, 112 and 113 form a frame similar to a U shape, so that an insertion opening 114 is formed at an end of the supporting

arms

112 and 113 far from the supporting arm 111. The

support arms

112 and 113 are provided with a plurality of engaging portions 115 at corresponding positions, and the engaging portions 115 are hollow structures formed on the

support arms

112 and 113. Each of the engaging portions 115 includes an engaging wall 1151 and an opening 1152, the engaging wall 1151 is an unclosed inner wall having two ends, and the opening 1152 is formed between the two ends of the engaging wall 1151. The engaging wall 1151 is an inner wall of the hollow structure, and the engaging wall 1151 is substantially arc-shaped.

Alternatively, the

support arms

112 and 113 are parallel to each other, and the length of the support arm 112 is slightly longer than the length of the support arm 113.

The pressing member 130 is a hollow square frame as a whole, and includes pressing

arms

131, 132, 133 and 134, the

pressing arms

131, 132, 133 and 134 are connected end to end in sequence to form a through hole 135, a plurality of pressing portions 136 are respectively disposed at positions corresponding to the

pressing arms

132 and 134, each pressing portion 136 includes a clamping wall 1361, an opening 1362, a pressing wall 1363 and a planar wall (not shown), the clamping wall 1361 and the planar wall are disposed opposite to each other, the clamping wall 1361 and the planar wall are perpendicular and connected to the pressing wall 1363, the opening 1362 is disposed between the clamping wall 1361 and the planar wall, and the pressing portion 136 is disposed on a surface of the pressing member 130 facing the supporting member 110.

In this embodiment, preferably, the pressing member 130 is a square thin plate, the through hole 135 is a square, the pressing portion 136 is a groove structure disposed on the bottom surface of the pressing member 130, specifically, two opposite openings 1362 are formed on the inner wall of the groove structure, so as to divide the inner wall of the groove structure into an engaging wall 1361 and a planar wall which are disposed oppositely, the engaging wall 1361 is arc-shaped, the planar wall is planar, and the pressing wall 1363 is the bottom wall of the groove structure.

Referring to fig. 3, the connecting assembly includes a first connecting member 121, an elastic member 122 and a second connecting member 123, the second connecting member 123 is movably mounted on the supporting member 110, the first connecting member 121 is movably mounted on the pressing member 130, and the first connecting member 121 and the second connecting member 123 are connected to each other, so as to movably connect the supporting member 110 and the pressing member 130 together. The elastic member 122 is sleeved on the first connecting member 121 and the second connecting member 123 to provide a restoring force for the pressing member 130 when the pressing member 130 moves relative to the supporting member 110. The first connecting member 121 is a sleeve structure and has an internal thread 1211, the second connecting member 123 has an external thread 1231, the second connecting member 123 is inserted into the first connecting member 121, the first connecting member 121 and the second connecting member 123 are adjustably connected together by the threaded connection of the internal thread 1211 and the external thread 1231, and the distance between the supporting member 110 and the pressing member 130 can be adjusted by adjusting the screwing length of the internal thread 1211 and the external thread 1231.

In the present embodiment, it is preferable that the press tool 100 connects the supporting member 110 and the pressing member 130 together by two connecting members 120. Specifically, one connecting member 120 connects the joint of the

support arms

111 and 113 and the joint of the

pressing arms

133 and 134, and the other connecting member 120 connects the end of the support arm 112 remote from the support arm 111 and the joint of the

pressing arms

131 and 132. The pressing tool 100 has two connecting components 120 arranged on the diagonal line of the supporting component 110 and the pressing component 130, so that the use stability is improved, the structure is simplified, and the material is saved.

The operation of the bonding tool 100 will be described with reference to fig. 1 to 5:

the bonding tool 100 is used to bond a first bonding compound 200 into a second bonding compound 300, wherein the first bonding compound 200 may be a tack or a standoff, and the second bonding compound 300 may be a circuit board. As shown in fig. 4 and 5, in the present embodiment, the first compression compound 200 is an expansion nail on the heat sink 400, the second compression compound 300 is a circuit board, the first compression compound 200 includes a cap portion 210 and a rod portion 220 which are integrally formed, and the second compression compound 300 is provided with a clamping hole 310 for clamping with the rod portion 220. Two first laminates 200 are mounted on the heat sink 400. In other embodiments, the number of fins 400 provided with first laminate 200 is not limited to two.

Referring to fig. 1 to 4, before the pressing, the screwing length of the internal thread 1211 of the first connecting member 121 and the external thread 1231 of the second connecting member 123 is adjusted according to the height of the heat sink 400 and the length of the first pressing member 200, and the distance between the supporting member 110 and the pressing member 130 is adjusted, so as to place the heat sink 400 in the pressing tool 100. Then, the heat sink 400 is inserted into the insertion opening 114 of the support member 110, and the rod portion 220 of the first laminate 200 on the heat sink 400 is snapped into the engaging wall 1151 through the opening 1152, and at the same time, the cap portion 210 is also snapped into the engaging wall 1361 through the opening 1362, thereby positioning the two first laminates 200 on the bonding tool 100. At this time, the heat sink 400 is located at a position corresponding to the through hole 135 of the compression element 130, and the heat sink 400 can freely pass through the through hole 135 of the compression element 130.

Referring to fig. 5, during pressing, the supporting member 110 of the pressing tool 100 is first placed on the second pressing member 300; then, the rod parts 220 of the two first pressing materials 200 are respectively aligned with the two clamping holes 310 on the second pressing material 300; finally, the pressing member 130 is pressed, the two pressing walls 1363 of the pressing member 130 simultaneously apply pressure to the stem portions 210 of the two first laminates 200, respectively, and the pressing member 130 moves toward the support member 110 while pressing the stem portions 220 of the two first laminates 200 into the card holes 310 of the second laminate 300, supported by the support member 110, thereby fixing the heat sink 400 to the second laminate 300. After the pressing, the pressing tool 100 can be pulled out from the heat sink 400 by slightly pressing the pressing tool 100, and the pressing operation can be completed by a single operation, so that the pressing operation is simple and convenient to use.

In other embodiments, the first laminate 200 may not be disposed on the heat sink 400, but may be directly mounted to the bonding tool 100 and directly bonded into the second laminate 300 by the bonding tool 100. For the first pressing materials 200 with different lengths, the screwing lengths of the first connecting piece 121 and the second connecting piece 123 are adjusted, so that the pressing tool 100 can press the first pressing materials 200 with different lengths, and the application range is wide.

Therefore, the pressing tool 100 provided by the invention firstly positions the first pressing member 100 through the clamping part 115 of the supporting member 110, and then presses the first pressing member 200 into the second pressing member 300 through the pressing member 130, so that the first pressing member 200 is stressed stably, and the electronic component on the second pressing member 300 is not pressed; the distance between the supporting part 110 and the pressing part 130 can be adjusted by adjusting the screwing length of the first connecting part 121 and the second connecting part 123, so that the first pressing body 200 with different lengths can be adapted, and the application range is wide; simple structure, easily equipment, labour saving and time saving has effectually improved pressfitting efficiency and pressfitting quality.

It will be apparent to those skilled in the art that other corresponding changes and modifications can be made according to the actual needs created by the inventive arrangements and inventive concepts herein, and such changes and modifications are intended to fall within the scope of the appended claims.

Claims

1. A bonding tool for pressing a first bonding object to a second bonding object, comprising:

when the first stitching object is positioned at the clamping part and the support piece is abutted against the second stitching object, the stitching object is pressed and moves towards the support piece, the stitching part acts on the first stitching object to enable the first stitching object to be clamped to the second stitching object, the stitching element comprises a plurality of stitching arms, the stitching part is arranged on the plurality of stitching arms, the stitching arms are sequentially connected end to form a through hole, the support piece comprises a first support arm, a second support arm and an insertion hole formed between the first support arm and the second support arm, the insertion hole is arranged corresponding to the through hole, and the support piece is positioned between the stitching object and the second stitching object.

2. The laminating tool of claim 1, wherein the engaging portion is a hollowed-out structure including a first opening and a first engaging wall; the pressing part is a groove and comprises a second opening and a second clamping wall; the first pressfitting object comprises a cap part and a rod part, the first opening is sleeved in the rod part, the first clamping wall is abutted against the rod part, the second opening is sleeved in the cap part, and the second clamping wall is abutted against the cap part, so that the first pressfitting object is positioned in the supporting part.

3. The bonding tool of claim 2, wherein the bonding portion further comprises a bonding wall that acts on the cap portion to snap the stem portion to the second bonding material during pressing and moving of the bonding element toward the support member.

4. The bonding tool of claim 1, wherein the coupling assembly includes a first coupling member and a second coupling member that are movably coupled to the bonding element and the support member, respectively, the first coupling member coupling the second coupling member to movably couple the bonding element to the support member.

5. The bonding tool of claim 4, wherein the connecting assembly further comprises a resilient member, the resilient member is sleeved on the first connecting member, and when the bonding member is pressed to the supporting member, two ends of the resilient member respectively press against the bonding member and the supporting member.

6. The laminating tool of claim 4, wherein the first coupling member is internally threaded and the second coupling member is externally threaded, the first coupling member and the second coupling member being coupled by engagement of the internal threads and the external threads.

7. The bonding tool of claim 6, wherein when the first connecting member is rotated clockwise or counterclockwise relative to the second connecting member, the engagement length of the internal threads and the external threads decreases or increases, such that the distance between the bonding element and the supporting member decreases or increases to accommodate different lengths of the first bonding material.

8. The laminating tool of claim 1, wherein the first support arm is longer than the second support arm.

9. The bonding tool of claim 1, wherein the bonding element and the support element are made of bakelite.