CN210172420U - Multi-stage heat pipe pressing device - Google Patents
Multi-stage heat pipe pressing device Download PDFInfo
- Publication number
- CN210172420U CN210172420U CN201920356251.1U CN201920356251U CN210172420U CN 210172420 U CN210172420 U CN 210172420U CN 201920356251 U CN201920356251 U CN 201920356251U CN 210172420 U CN210172420 U CN 210172420U
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- Prior art keywords
- riveting
- heat pipe
- positioning
- base plate
- upper die
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- 238000003825 pressing Methods 0.000 title claims description 16
- 239000000758 substrate Substances 0.000 claims description 32
- 238000006073 displacement reaction Methods 0.000 claims description 9
- 238000007731 hot pressing Methods 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 11
- 230000017525 heat dissipation Effects 0.000 abstract description 5
- 230000008569 process Effects 0.000 abstract description 5
- 206010063659 Aversion Diseases 0.000 abstract description 2
- 230000000750 progressive effect Effects 0.000 abstract description 2
- 238000000465 moulding Methods 0.000 abstract 1
- 238000004080 punching Methods 0.000 description 6
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 description 5
- 229910052802 copper Inorganic materials 0.000 description 5
- 239000010949 copper Substances 0.000 description 5
- 230000006872 improvement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 230000006978 adaptation Effects 0.000 description 3
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 239000004576 sand Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
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- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
Abstract
The utility model discloses a multistage pressure heat pipe equipment, it includes mould, lower mould, slip subassembly, removal base plate, aversion drive arrangement, side positioner and a plurality of height are the riveting drift that the step form increases gradually, the utility model provides a multistage pressure heat pipe equipment's structural design is ingenious, and is reasonable, adopts a plurality of riveting drifts to carry out the sectional progressive riveting to the heat pipe, effectively solves because the inner wall of heat pipe is thinner to resist the smaller problem that deformation damage easily appears in the riveting process that instability ability is less to be restricted to moulding limit, can rivet the riveting chase of heat pipe embedding heat dissipation base plate better, and the riveting is inlayed effectually, and the wholeness is strong, and the cooperation is inseparable, and then improves heat exchange efficiency, effectively guarantees product quality; and a clamping, alright realize cubic riveting process, not only work accuracy is high, easy operation, work efficiency is high.
Description
Technical Field
The utility model relates to a pressure heat pipe technical field, concretely relates to multistage pressure heat pipe equipment.
Background
The heat dissipation problem is that most devices need to solve. One solution is to inlay the heat pipe on the heat dissipation substrate, for example, it is a common practice to provide an embedding groove on the heat dissipation substrate, and then embed the heat pipe in the embedding groove.
The traditional heat pipe embedding method is that copper pipes are riveted into the embedding grooves of the radiating substrate at one time, and the heat pipe is mostly a copper pipe with a thin inner wall and is limited by shaping limit, so that the instability resistance is small, and if the force for riveting the radiating substrate is not enough rigidly supported, the copper pipe is deformed and damaged easily.
The invention patent with publication number "CN 106180468B" entitled "heat pipe inlaying method" discloses a heat pipe inlaying method, comprising the steps of: an embedding groove is formed in the workpiece, and the width of an opening of the embedding groove is smaller than that of a groove body at the position adjacent to the opening; embedding the heat conduction pipe into the embedding groove; performing first expansion riveting stamping on the top end of the heat conduction pipe, and pressing the bottom end of the heat conduction pipe and the bottom of the embedding groove tightly; performing secondary expansion riveting stamping on the top end of the heat conduction pipe, and pressing the two sides of the heat conduction pipe and the side walls of the embedding grooves tightly; performing third expansion riveting stamping on the top end of the heat conduction pipe, flattening the top end of the heat conduction pipe and fixing the expansion riveting of the heat conduction pipe in the embedding groove; and a third punch used for the third expansion riveting punching is provided with a platform part. According to the heat pipe inlaying method, when the heat pipe is inlaid, the heat pipe can be fixed on a workpiece through cold inlaying, the heat pipe is in close contact with the inlaying groove, and according to the technical scheme, although the expansion riveting punching is performed for three times, the heat pipe which is already located in the inlaying groove is only shaped, so that the matching tightness between the heat pipe and the inlaying groove is enhanced. And just rivet the heat pipe completely when the punching press just rises for the first time and inlay the groove in, because the heat pipe is mostly the thin copper pipe of inner wall, still has the problem that leads to the copper pipe to warp and damage easily, is difficult to guarantee product quality, the defective products easily appear. And expand in the punching press process of riveting three times, need shift the work piece three times, be about to shift the work piece in proper order to the first stamping die of installing first drift, install the second stamping die of second drift and install the third stamping die of third drift, need proofreaying and correct the location again, troublesome poeration, work efficiency is low.
SUMMERY OF THE UTILITY MODEL
Not enough to the aforesaid, the utility model aims to provide a structural design is ingenious, reasonable, can rivet the embedding riveting chase with the heat pipe fast, and easy operation's pressure heat pipe equipment.
In order to achieve the above purpose, the utility model provides a technical scheme is: a multi-stage heat pipe pressing device comprises an upper die, a lower die, a sliding assembly, a movable substrate, a displacement driving device, a side positioning device and a plurality of riveting punch heads with gradually-increased heights in a step shape, wherein a positioning block for positioning the riveting substrate is arranged on the lower die, and riveting pipe grooves matched with the outline of a heat pipe are formed in the surface of the riveting substrate; the riveting punch heads are sequentially arranged on the moving plate from low to high, the moving base plate is arranged on the upper die through the sliding assembly, the shifting driving device is arranged on the upper die and can drive the moving base plate to enable all the riveting punch heads on the moving base plate to be aligned with the riveting pipe grooves one by one, the positions, corresponding to the riveting punch heads, on the edge of the moving base plate are provided with positioning bayonets, and the positions, corresponding to the riveting pipe grooves, on the upper die are provided with side positioning devices which can be clamped into the positioning bayonets.
As an improvement of the utility model, the slip subassembly includes two spacing slivers, and two spacing slivers symmetry sets up on last mould, is equipped with the sand grip on the relative lateral wall of two spacing slivers, and be equipped with the spout with this sand grip looks adaptation on the lateral wall of removal base plate.
As an improvement of the utility model, the aversion drive arrangement includes slide, slide rail and two propulsion cylinders, and the slide passes through the slide rail activity and sets up on last mould, and two propulsion cylinders arrange along the slip orbit of slide rail and set up on the slide, and one of them propulsion cylinder's piston rod is connected with the removal base plate, and another propulsion cylinder's piston rod is connected with last mould.
As an improvement of the utility model, side positioner is including location cylinder and location strip, be equipped with on the spacing draw runner with the flexible groove of location strip looks adaptation, location strip activity is located flexible inslot, the location cylinder sets up on last mould to can drive the location strip and stretch out the card from flexible groove and go into the location bayonet socket.
As an improvement of the present invention, the number of the riveting punches is three.
As an improvement of the utility model, the quantity of moving the base plate is the polylith, is connected through the connecting piece.
The utility model has the advantages that: the multi-stage heat pipe pressing equipment provided by the utility model has the advantages that the structural design is ingenious and reasonable, the heat pipes are subjected to stepped progressive riveting by adopting the plurality of riveting punches, the problem that the deformation and the damage are easy to occur in the riveting process because the inner walls of the heat pipes are thin and the resistance to instability is smaller due to the limitation of shaping limit is effectively solved, the heat pipes can be better riveted and embedded into the riveting pipe grooves of the heat dissipation substrate, the riveting and embedding effect is good, the integrity is strong, the matching is tight, the looseness is not easy to occur, the heat exchange efficiency is further improved, and the product quality is effectively ensured; and a clamping, alright realize cubic riveting process, not only work accuracy is high, easy operation, work efficiency is high.
The present invention will be further explained with reference to the drawings and the embodiments.
Drawings
Fig. 1 is a schematic top view of the present invention.
Fig. 2 is a schematic view of the structure of the present invention.
Fig. 3 is a schematic side view of the present invention.
Fig. 4 is a schematic structural diagram of the rivet head switching device of the present invention.
Detailed Description
Referring to fig. 1 to 4, the multi-stage heat pipe pressing apparatus provided in this embodiment includes an upper die 1, a lower die 2, a sliding assembly 3, a movable substrate 4, a displacement driving device 5, a lateral positioning device 6, and a plurality of riveting punches 7 with gradually increasing heights in a step shape.
In this embodiment, the number of the movable substrates 4 is two, so that a double station is formed, and the working efficiency is greatly improved. The two moving substrates 4 are connected by a connecting member 8. The two ends of the connecting piece 8 are provided with clamping heads, the two movable base plates 4 are provided with bayonets matched with the clamping heads, and the bayonets are buckled through the clamping heads to achieve the purpose of connection. In other embodiments, screws may be used for the connection. Each moving substrate 4 is provided with three riveting punches 7. The three riveting punches 7 are sequentially arranged on the moving plate from low to high in height and are fixed and locked through screws.
The lower die 2 is provided with a positioning block 9 for positioning the riveting base plate 10, specifically, the lower die 2 can be provided with a strip-shaped adjusting hole, and the positioning block 9 is fixed on the lower die 2 through a locking screw. The position of the positioning block 9 can be adjusted by unscrewing the locking screw, and hook legs which can be buckled on the riveting base plate 10 are arranged on the side wall of the positioning block 9; in addition, for improving automation, the positioning block 9 can be mounted on a rotary pressing cylinder, and when positioning is needed, the rotary pressing cylinder drives the positioning block 9 to rotate and press downwards towards one side of the riveting substrate 10, so as to press on the riveting substrate 10; on the contrary, the rotating pressing cylinder drives the positioning block 9 to rotate in the opposite direction and move upwards, so that the riveting base plate 10 is loosened;
the surface of the riveting base plate 10 is provided with a riveting pipe groove matched with the outline of the heat pipe; the moving substrate 4 is disposed on the upper mold 1 through the slide assembly 3. The sliding assembly 3 comprises two limiting sliding strips 31, the two limiting sliding strips 31 are symmetrically arranged on the upper die 1, protruding strips 32 are arranged on opposite side walls of the two limiting sliding strips 31, sliding grooves matched with the protruding strips 32 are formed in the side walls of the movable base plate 4, the protruding strips 32 are clamped into the sliding grooves, and the purpose of limiting linear sliding is achieved.
The displacement driving device 5 is arranged on the upper die 1 and can drive the moving substrate 4 to enable all the riveting punches 7 on the moving substrate 4 to be aligned with the riveting pipe slots one by one. Specifically, the displacement driving device 5 includes a sliding plate 51, a sliding rail 52 and two propulsion cylinders 53, the sliding plate 51 is movably disposed on the upper die 1 through the sliding rail 52, the two propulsion cylinders 53 are disposed on the sliding plate 51 along the sliding track of the sliding rail 52, specifically, the cylinder bodies of the two propulsion cylinders 53 are connected to the cylinder bodies, the piston rod of one of the propulsion cylinders 53 is connected to the moving base plate 4, and the piston rod of the other propulsion cylinder 53 is connected to the upper die 1. When the two propulsion cylinders 53 retract simultaneously, the moving substrate 4 is moved to a first predetermined position; when one of the propulsion cylinders 53 extends, the moving substrate 4 is moved to a second predetermined position; when the two pushing cylinders 53 are simultaneously extended, the moving substrate 4 is moved to the third predetermined position.
A positioning bayonet 41 is arranged on the edge of the movable substrate 4 corresponding to the position of the riveting punch 7, and a side positioning device 6 capable of being clamped into the positioning bayonet 41 is arranged on the upper die 1 corresponding to the position of the riveting pipe groove. Specifically, since the number of the riveting punches 7 is three, three positioning bayonets 41 are correspondingly provided on the movable substrate 4 corresponding to the riveting punches 7 at the first position, the second position, and the third position. Side positioner 6 is including location cylinder 61 and location strip 62, be equipped with the flexible groove with location strip 62 looks adaptation on the spacing draw runner 31, location strip 62 activity is located flexible inslot, location cylinder 61 sets up on last mould 1, and this location cylinder 61's piston rod is connected with location strip 62, and when the piston rod of location cylinder 61 did the action of stretching out, can drive location strip 62 and stretch out the card from flexible groove and go into location bayonet 41 realizes spacing fixed purpose.
During operation, the utility model discloses multistage pressure heat pipe equipment's working procedure as follows:
(1) preparing three riveting punches 7 with gradually increased heights in a step shape, and sequentially arranging the riveting punches on a movable plate from low to high in height; (2) the movable base plate 4 is movably arranged on the upper die 1 through the sliding component 3;
(3) the riveting base plate 10 is positioned on the lower die 2 through the positioning block 9, a strip-shaped adjusting hole can be formed in the lower die 2, and the positioning block 9 is fixed on the lower die 2 through a locking screw. The position of the positioning block 9 can be adjusted by unscrewing the locking screw, and hook legs which can be buckled on the riveting base plate 10 are arranged on the side wall of the positioning block 9; in addition, for improving automation, the positioning block 9 can be mounted on a rotary pressing cylinder, and when positioning is needed, the rotary pressing cylinder drives the positioning block 9 to rotate and press downwards towards one side of the riveting substrate 10, so as to press on the riveting substrate 10; on the contrary, the rotary pressing cylinder drives the positioning block 9 to reversely rotate and move upwards, so that the riveting base plate 10 is loosened. The surface of the riveting base plate 10 is provided with a riveting pipe groove matched with the outline of the heat pipe;
(4) placing a heat pipe to be riveted on the riveting pipe groove;
(5) when the two propulsion cylinders 53 retract simultaneously, the displacement driving device 5 drives the movable substrate 4 to move to a first preset position, so that the riveting punch 7 at the first position is aligned with the heat pipe, the lateral positioning device 6 is ejected out to position the movable substrate 4, the riveting punch 7 at the first position is prevented from shaking, and the working precision is improved;
(6) the punching machine is started, the upper die 1 is pushed to be pressed downwards, the heat pipe is riveted through the riveting punch 7 located at the first position, the heat pipe is riveted and embedded into the riveting pipe groove to a first depth, and then the upper die 1 returns upwards to a preset position;
(7) when one of the propulsion cylinders 53 extends, the displacement driving device 5 drives the movable substrate 4 to move to a second preset position, so that the riveting punch 7 at the second position is aligned with the heat pipe; the lateral positioning device 6 is ejected out to position the moving substrate 4, so that the riveting punch 7 at the second position is prevented from shaking, and the working precision is improved; the punch is started, the upper die 1 is pushed to be pressed downwards, the heat pipe is riveted through the riveting punch 7 located at the second position, the heat pipe is riveted and embedded into the riveting pipe groove by the second depth, and then the upper die 1 returns upwards to the preset position;
(8) one of the propulsion cylinders 53 keeps extending, and the other propulsion cylinder 53 extends, that is, the two propulsion cylinders 53 extend simultaneously, so that the displacement driving device 5 drives the movable substrate 4 to move to a third predetermined position, and the riveting punch 7 at the third position is aligned with the heat pipe; the lateral positioning device 6 is ejected out to position the moving substrate 4, so that the riveting punch 7 at the third position is prevented from shaking, and the working precision is improved; the punching machine is started, the upper die 1 is pushed to be pressed downwards, the heat pipe is riveted through the riveting punch 7, the heat pipe is completely riveted and embedded into the riveting pipe groove to obtain a finished product of the heat pressing pipe, and the three riveting procedures can be realized by clamping once; subsequently, the upper die 1 is retracted upward to a predetermined position;
(9) and (5) taking out the finished product of the heat pressing pipe, and repeating the steps (3) to (8) to realize a new round of multi-stage riveting heat pipe.
Variations and modifications to the above-described embodiments may occur to those skilled in the art, in light of the above teachings and teachings. Therefore, the present invention is not limited to the specific embodiments disclosed and described above, and some modifications and changes to the present invention should fall within the protection scope of the claims of the present invention. In addition, although specific terms are used in the specification, the terms are used for convenience of description and do not limit the present invention, and other devices obtained by using the same or similar structures as those of the above-described embodiments of the present invention are within the protection scope of the present invention.
Claims (7)
1. The utility model provides a hot pipe equipment is pressed to multistage, its includes mould and lower mould, its characterized in that: the riveting die comprises a lower die, a plurality of riveting punches, a sliding assembly, a movable base plate, a displacement driving device, a side positioning device and a plurality of riveting punches, wherein the heights of the riveting punches are gradually increased in a step shape; the riveting punch heads are sequentially arranged on the moving plate from low to high, the moving base plate is arranged on the upper die through the sliding assembly, the shifting driving device is arranged on the upper die and can drive the moving base plate to enable all the riveting punch heads on the moving base plate to be aligned with the riveting pipe grooves one by one, the positions, corresponding to the riveting punch heads, on the edge of the moving base plate are provided with positioning bayonets, and the positions, corresponding to the riveting pipe grooves, on the upper die are provided with side positioning devices which can be clamped into the positioning bayonets.
2. A multi-stage heat pipe pressing device according to claim 1, wherein the sliding assembly comprises two limiting slide bars, the two limiting slide bars are symmetrically arranged on the upper die, protruding strips are arranged on opposite side walls of the two limiting slide bars, and sliding grooves matched with the protruding strips are arranged on the side walls of the movable substrate.
3. A multi-stage heat pipe apparatus according to claim 1, wherein the displacement driving device comprises a slide plate, a slide rail and two propulsion cylinders, the slide plate is movably disposed on the upper mold through the slide rail, the two propulsion cylinders are disposed on the slide plate along a sliding track of the slide rail, a piston rod of one of the propulsion cylinders is connected to the moving base plate, and a piston rod of the other propulsion cylinder is connected to the upper mold.
4. The multi-stage hot-pressing pipe equipment of claim 2, wherein the lateral positioning device comprises a positioning cylinder and a positioning strip, the limiting slide strip is provided with a telescopic groove matched with the positioning strip, the positioning strip is movably positioned in the telescopic groove, and the positioning cylinder is arranged on the upper die and can drive the positioning strip to extend out of the telescopic groove and be clamped into the positioning bayonet.
5. A multi-stage heat pipe apparatus according to any of claims 1 to 4 wherein the number of riveting punches is three.
6. A multi-stage heat pipe apparatus according to any of claims 1 to 4 wherein the number of moving substrates is a plurality of pieces connected by connecting members.
7. A multi-stage heat pipe apparatus according to claim 6, wherein the connecting member is provided with a chuck at both ends thereof, and wherein the two movable base plates are provided with bayonets fitted to the chucks.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356251.1U CN210172420U (en) | 2019-03-20 | 2019-03-20 | Multi-stage heat pipe pressing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920356251.1U CN210172420U (en) | 2019-03-20 | 2019-03-20 | Multi-stage heat pipe pressing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210172420U true CN210172420U (en) | 2020-03-24 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920356251.1U Withdrawn - After Issue CN210172420U (en) | 2019-03-20 | 2019-03-20 | Multi-stage heat pipe pressing device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210172420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026494A (en) * | 2019-03-20 | 2019-07-19 | 东莞市毅帆五金模具有限公司 | Multistage presses heat pipe method and its pressure heat pipe equipment |
-
2019
- 2019-03-20 CN CN201920356251.1U patent/CN210172420U/en not_active Withdrawn - After Issue
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110026494A (en) * | 2019-03-20 | 2019-07-19 | 东莞市毅帆五金模具有限公司 | Multistage presses heat pipe method and its pressure heat pipe equipment |
| CN110026494B (en) * | 2019-03-20 | 2024-01-19 | 东莞市毅帆五金模具有限公司 | Multi-stage heat pipe pressing method and heat pipe pressing equipment thereof |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20200324 Effective date of abandoning: 20240119 |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20200324 Effective date of abandoning: 20240119 |