CN111589899A - Rear cover machining system - Google Patents
Rear cover machining system Download PDFInfo
- Publication number
- CN111589899A CN111589899A CN202010472061.3A CN202010472061A CN111589899A CN 111589899 A CN111589899 A CN 111589899A CN 202010472061 A CN202010472061 A CN 202010472061A CN 111589899 A CN111589899 A CN 111589899A
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- rear cover
- hole
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- mounting hole
- pressing
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- 238000003754 machining Methods 0.000 title claims description 5
- 238000003825 pressing Methods 0.000 claims abstract description 83
- 230000007246 mechanism Effects 0.000 claims abstract description 68
- 238000001179 sorption measurement Methods 0.000 claims abstract description 20
- 210000000078 claw Anatomy 0.000 claims description 13
- 239000011247 coating layer Substances 0.000 claims description 6
- 230000000149 penetrating effect Effects 0.000 claims description 4
- 230000000694 effects Effects 0.000 abstract description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 238000007789 sealing Methods 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 230000003139 buffering effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000009467 reduction Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Casings For Electric Apparatus (AREA)
Abstract
A rear cover processing system comprises a rear cover fixing mechanism and a pressing mechanism; the rear cover fixing mechanism comprises a bottom plate, a supporting column, a mounting plate, a fixing mechanism and an adsorption mechanism; the mounting plate is fixedly arranged on the bottom plate through the support columns; the fixing mechanism is arranged on the mounting plate and used for fixing the periphery of the rear cover on the mounting plate; the mounting plate is provided with a mounting hole, the adsorption mechanism is mounted in the mounting hole, the rear cover is arranged on one side of the adsorption mechanism, which is far away from the bottom plate, and the middle part of the rear cover is adsorbed by the adsorption mechanism; the pressing mechanism is arranged on one side, far away from the bottom plate, of the mounting plate and used for flattening the middle of the rear cover. According to the rear cover processing system, the fixing mechanism can fix the rear cover on the mounting plate, and the adsorption mechanism can adsorb the rear cover, so that the rear cover can be positioned. After the rear cover is processed, the rear cover is pressed down through the pressing mechanism, the protruding part of the rear cover can be flattened, and therefore the poor protruding effect of the rear cover of the notebook computer can be improved.
Description
Technical Field
The application relates to the technical field of processing equipment, in particular to a rear cover processing system.
Background
The notebook computer is a common office supply due to small volume and light weight. As the demand increases, consumers prefer products that are thin, lightweight, and highly portable.
The back cover of a conventional notebook computer is generally designed to be 0.7mm thick, which allows more internal parts to be placed, thereby enabling a reduction in the overall thickness of the product. However, after the thickness of the rear cover of the notebook computer is reduced, the rear cover of the notebook computer is easy to deform after being processed, and the middle position of the rear cover is raised after being processed by general numerical control, so that the electrical appliance element is pressed by the raised part, and the defects are caused after being processed.
Disclosure of Invention
In view of the above, it is desirable to provide a rear cover processing system capable of improving the poor protrusion of the rear cover of the notebook computer.
A rear cover processing system comprises a rear cover fixing mechanism and a pressing mechanism;
the rear cover fixing mechanism comprises a bottom plate, a supporting column, a mounting plate, a fixing mechanism and an adsorption mechanism;
the mounting plate is fixedly arranged on the bottom plate through the support columns;
the fixing mechanism is arranged on the mounting plate and used for fixing the periphery of the rear cover on the mounting plate;
the mounting plate is provided with a mounting hole, the adsorption mechanism is mounted in the mounting hole, the rear cover is arranged on one side of the adsorption mechanism, which is far away from the bottom plate, and the middle part of the rear cover is adsorbed by the adsorption mechanism;
the pushing mechanism is arranged on one side, away from the bottom plate, of the mounting plate and used for flattening the middle of the rear cover.
In one embodiment, the fixing mechanism comprises a first air cylinder and a pressing claw, the first air cylinder is fixedly arranged on the mounting plate, the pressing claw is connected with a driving shaft of the first air cylinder, and the pressing claw is used for pressing the rear cover.
In one embodiment, the suction mechanism includes a second cylinder and a vacuum assembly;
the vacuum assembly comprises a back plate and a sucker, a cavity is formed between the sucker and the back plate, a suction hole is formed in the sucker and communicated with the cavity, and a through hole is formed in the back plate and communicated with a vacuumizing device;
the second cylinder is fixedly arranged on the bottom plate, and a driving shaft of the second cylinder is fixedly connected with the rear plate.
In one embodiment, the suction mechanism further comprises a limiting assembly, one end of the limiting assembly is fixedly arranged on the bottom plate, and the limiting assembly is used for limiting the sinking height of the vacuum assembly.
In one embodiment, the vacuum assembly further comprises a sealing ring disposed at a junction of the suction cup and the back plate.
In one embodiment, one side of the inner wall of the mounting plate, which is provided with the mounting hole and is far away from the bottom plate, extends to the center of the mounting hole to form a first limiting step;
one side of the edge of the sucker, which is close to the rear plate, extends to the outer periphery to form a second limiting step, and the first limiting step and the second limiting step are correspondingly arranged.
In one embodiment, the pressing mechanism comprises a cutter head and a pressing component, the cutter head is connected with the pressing component, and the pressing component is arranged on one side, far away from the bottom plate, of the mounting plate.
In one embodiment, the pressing assembly comprises a pressing block unit and an elastic coating layer, the tool bit is connected with the pressing block unit, and the elastic coating layer is wrapped on one side, facing the mounting plate, of the pressing block unit.
In one embodiment, the pressing block unit comprises a first pressing block, a second pressing block, a buffer module and a locking screw rod;
the first pressing block is provided with a first spring mounting hole and a through hole, and the bottom of the first spring mounting hole is provided with a first bolt hole penetrating through the first pressing block;
the second press block is provided with a second spring mounting hole and a locking hole, the second spring mounting hole and the first spring mounting hole are oppositely arranged, and the bottom of the second spring mounting hole is provided with a bolt accommodating hole;
the first bolt hole, the first spring mounting hole, the second spring mounting hole and the bolt accommodating hole form a buffer space;
the buffer module comprises a guide bolt and a spring, one end of the guide bolt is arranged in the buffer space, the spring is sleeved on the guide bolt, and the spring is accommodated in a spring mounting hole formed by the first spring mounting hole and the second spring mounting hole;
one end of the locking screw rod is arranged in the accommodating space formed by the through hole and the locking hole, the locking screw rod is fixedly connected with the second pressing block, and the locking screw rod can move relative to the first pressing block.
In one embodiment, the number of the buffer modules is four, and the four buffer modules are arranged along four corners of a rectangle.
According to the rear cover processing system, the fixing mechanism can fix the rear cover on the mounting plate, and the adsorption mechanism can adsorb the rear cover, so that the rear cover can be positioned. After the rear cover is processed, the rear cover is pressed down through the pressing mechanism, the protruding part of the rear cover can be flattened, and therefore the poor protruding effect of the rear cover of the notebook computer can be improved.
Drawings
The accompanying drawings, which are included to provide a further understanding of the application and are incorporated in and constitute a part of this application, illustrate embodiment(s) of the application and together with the description serve to explain the application and not to limit the application. In the drawings:
FIG. 1 is a schematic structural view of a rear cover processing system of the present application;
FIG. 2 is a schematic cross-sectional view of the rear cover processing system shown in FIG. 1;
FIG. 3 is a schematic structural view of the adsorption mechanism of the present application;
FIG. 4 is a schematic diagram of a partial structure at B of the rear cover tooling system shown in FIG. 2;
FIG. 5 is a schematic view of the pressing mechanism of the present application;
FIG. 6 is a top view of a briquetting unit of the present application;
FIG. 7 is a schematic cross-sectional view of the briquetting unit shown in FIG. 6 taken along line D;
fig. 8 is a schematic structural view of the briquetting unit shown in fig. 6 taken along a section at C.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the technical solutions of the present application will be described in detail and completely with reference to the following specific embodiments of the present application and the accompanying drawings. It should be apparent that the described embodiments are only some of the embodiments of the present application, and not all of the embodiments.
The following detailed description of embodiments of the invention refers to the accompanying drawings.
As shown in fig. 1, the rear cover processing system of an embodiment includes a rear cover fixing mechanism 100 and a pressing mechanism 200.
The rear cover fixing mechanism 100 includes a base plate 110, a support column 120, a mounting plate 130, a fixing mechanism, and a suction mechanism.
The mounting plate 130 is fixed to the base plate 110 by the support column 120.
The fixing mechanism is disposed on the mounting plate 130, and the fixing mechanism is used for fixing the periphery of the rear cover 300 on the mounting plate 130.
The mounting plate 130 is provided with a mounting hole (not shown), and the adsorption mechanism is mounted in the mounting hole. The rear cover 300 is disposed on a side of the adsorption mechanism away from the bottom plate 110, and the middle of the rear cover 300 is adsorbed by the adsorption mechanism.
The pressing mechanism 200 is disposed opposite to the side of the mounting plate 130 away from the bottom plate 110, and the pressing mechanism 200 is used for pressing the middle of the rear cover 300 flat.
In the rear cover processing system, the fixing mechanism can fix the rear cover on the mounting plate 130, and the adsorption mechanism can adsorb the rear cover 300, so that the rear cover 300 can be positioned. After the rear cover 300 is processed, the rear cover 300 is pressed down by the pressing mechanism 200, so that the convex part of the rear cover 300 can be flattened, and poor convex of the rear cover 300 of the notebook computer can be improved.
In one embodiment, the fixing mechanism includes a first cylinder 142 and a pressing claw 144, the first cylinder 142 is fixedly disposed on the mounting plate 130, the pressing claw 144 is connected to a driving shaft of the first cylinder 142, and the pressing claw 144 is used for pressing the rear cover 300.
Specifically, the periphery of the rear cover 300 is provided with 10 fixing mechanisms, wherein the upper end of the rear cover 300 is pressed and fixed by two pressing claws 144. The lower end of the rear cover 300 is pressed and fixed by two pressing claws 144. The left end of the rear cover 300 is pressed and fixed by three pressing claws 144. The right end of the rear cover 300 is pressed and fixed by three pressing claws 144. The rear cover 300 is conveniently fixed or released by the pressing jaw 144 and the first cylinder 142, thereby simplifying the process.
In one embodiment, referring to fig. 2 and 3, the suction mechanism includes a second cylinder 152 and a vacuum assembly.
The vacuum assembly includes a back plate 154 and a suction cup 156. A cavity 151 is formed between the suction cup 156 and the back plate 154. The suction cup 156 is provided with a suction hole 153, and the suction hole 153 is communicated with the cavity 151. The back plate 154 is provided with a through hole 155, and the through hole 155 is used for communicating with a vacuum extractor. An electromagnetic valve is arranged between the through hole 155 and the vacuum pumping device. The vacuum pumping or the vacuum closing is controlled by an electromagnetic valve.
The second cylinder 152 is fixedly installed on the base plate 110, and a driving shaft of the second cylinder 152 is fixedly connected to the rear plate 154. Specifically, the drive shaft of the second cylinder 152 is fixedly coupled to the back plate 154 via a cylinder bracket 158.
The cavity 151 can be vacuumized by the vacuumizing device, so that the vacuum assembly can tightly adsorb the rear cover 300 and fix the rear cover 300.
The second cylinder 152 may drive the vacuum assembly up and down relative to the base plate 110.
Further, the adsorption mechanism further comprises a limiting component 157, one end of the limiting component 157 is fixedly arranged on the bottom plate 110, and the limiting component 157 is used for limiting the sinking height of the vacuum component. Specifically, the number of the limiting assemblies 157 is 2, and the 2 limiting assemblies 157 are respectively disposed on two sides of the second cylinder 152.
Specifically, the limiting assembly 157 limits the movement of the suction cup 156 in a direction approaching the base plate 110. Referring to fig. 4, after the vacuum assembly is lowered, there is a gap of 0.2mm between the back cover 300 and the vacuum assembly.
After the rear cover 300 is completely processed, the vacuum is turned off, and then the vacuum assembly is driven by the second cylinder 152 to sink toward the bottom plate 110, so that a gap is formed between the rear cover 300 and the vacuum assembly, and when the rear cover 300 is pressed down by the pressing mechanism 200, the middle of the rear cover 300 protrudes outward, thereby increasing the volume inside the notebook computer.
Further, the vacuum assembly includes a sealing ring 159, the sealing ring 159 being disposed at the junction of the suction cup 156 and the back plate 154.
By providing the seal ring 159, air leakage can be reduced, the vacuum degree of the cavity 151 formed between the suction cup 156 and the back plate 154 can be increased, and the suction force of the suction cup 156 to the back cover 300 can be increased.
Further, a side of the mounting plate 130, which is away from the bottom plate 110, on the inner wall of the mounting plate 130, where the mounting hole is formed, extends toward the center of the mounting hole to form a first limit step 132.
The edge of the suction cup 156 is extended to the outer circumference near one side of the back plate 154 to form a second limit step 1562, and the first limit step 132 and the second limit step 1562 are correspondingly arranged.
By providing the first limit step 132, the movement of the suction cup 156 in a direction away from the base plate 110 can be limited. The first and second limiting steps 132 and 1562 are correspondingly configured to limit the movement of the suction cup 156 in a direction parallel to the plane of the mounting plate 130 by positioning the suction cup 156 within the mounting hole.
In one embodiment, referring to fig. 5, the hold-down mechanism includes a tool bit 210 and a hold-down assembly. The cutting head 210 is coupled to a hold-down assembly that is positioned relative to the side of the mounting plate 130 that is distal from the base plate 110.
Further, the pressing assembly includes a pressing block unit and an elastic coating layer 222, the cutter head 210 is connected to the pressing block unit, and the elastic coating layer 222 is wrapped on one side of the pressing block unit facing the mounting plate 130.
The elastic coating 222 may be rubber. Through setting up elasticity coating 222, when pushing down the mechanism and pushing down the arch of back lid 300, because the existence of elasticity coating 222, can transmit the effort of pushing down, simultaneously, because cushioning effect is difficult to cause the damage to back lid 300.
Further, referring to fig. 6 to 8, the pressing block unit includes a first pressing block 224, a second pressing block 226, a buffer module and a locking screw 228. Specifically, the first pressing block 224 and the second pressing block 226 are made of a metal material. Specifically, the metal material may be stainless steel. Further, the edge of the second pressing block 226 is arc-shaped. The edges of the elastic covering 222 are curved. The arc design is less likely to cause damage to the rear cover 300.
The first pressing block 224 is provided with a first spring mounting hole (not shown) and a through hole 221, and a first bolt hole (not shown) penetrating through the first pressing block 224 is formed at the bottom of the first spring mounting hole (not shown).
The second press block 226 is provided with a second spring mounting hole (not shown) and a locking hole (not shown), the second spring mounting hole and the first spring mounting hole are oppositely arranged, and a bolt receiving hole (not shown) is formed in the bottom of the second spring mounting hole.
The first bolt hole, the first spring mounting hole, the second spring mounting hole and the bolt accommodating hole form a buffer space.
Referring to fig. 7, the buffer module includes a guide bolt 223 and a spring 225, one end of the guide bolt 223 is disposed in the buffer space, the spring 225 is sleeved on the guide bolt 223, and the spring 225 is received in a spring mounting hole formed by the first spring mounting hole and the second spring mounting hole.
Referring to fig. 8, one end of the locking screw 227 is disposed in the receiving space formed by the through hole 221 and the locking hole. The locking screw 227 is fixedly connected with the second pressing block 226, and the locking screw 227 can move relative to the first pressing block 224. There is a gap between the locking screw 227 and the inner wall of the through hole 221 of the first pressing block 224.
The locking screw 227 can fix the first pressing block 224 and the second pressing block 226, and meanwhile, a certain movable space can exist between the first pressing block 224 and the second pressing block 226.
The briquetting unit is provided with a buffer module, and the spring 225 has a certain buffer effect. When the downforce of the cutter head 210 is transmitted to the second pressing block 226 through the first pressing block 224, the spring 225 is arranged between the first pressing block 224 and the second pressing block 226, and the spring 225 can also play a role in buffering when transmitting the downforce, so that the downforce of the cutter head 210 is softer, and the damage to the rear cover 300 is not easy to cause. Therefore, the pressing component can improve the pressing buffer function of the pressing component through the double buffer function of the buffer module and the elastic coating layer 222.
In one embodiment, the number of the buffer modules is four, and the four buffer modules are arranged along four corners of the rectangle. Namely, the first press block 224 is provided with four first spring mounting holes. The four first spring mounting holes are respectively arranged at four corners of the first press block 224. The second pressing block 226 is provided with four second spring mounting holes. The four second spring mounting holes are respectively formed at four corners of the second pressing block 226. Four guide bolts 223 of the four buffer modules are respectively arranged in the four spring mounting holes in a penetrating manner, and four springs 225 are respectively arranged in the four spring mounting holes.
In one embodiment, the number of locking screws 227 is two. Locking screw 227 is provided between the two buffer modules.
The above description is only an example of the present application and is not intended to limit the present application. Various modifications and changes may occur to those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present application should be included in the scope of the claims of the present application.
Claims (10)
1. A rear cover processing system is characterized by comprising a rear cover fixing mechanism and a pressing mechanism;
the rear cover fixing mechanism comprises a bottom plate, a supporting column, a mounting plate, a fixing mechanism and an adsorption mechanism;
the mounting plate is fixedly arranged on the bottom plate through the support columns;
the fixing mechanism is arranged on the mounting plate and used for fixing the periphery of the rear cover on the mounting plate;
the mounting plate is provided with a mounting hole, the adsorption mechanism is mounted in the mounting hole, the rear cover is arranged on one side of the adsorption mechanism, which is far away from the bottom plate, and the middle part of the rear cover is adsorbed by the adsorption mechanism;
the pushing mechanism is arranged on one side, away from the bottom plate, of the mounting plate and used for flattening the middle of the rear cover.
2. The rear cover processing system according to claim 1, wherein the fixing mechanism includes a first cylinder and a pressing claw, the first cylinder is fixedly provided on the mounting plate, the pressing claw is connected to a driving shaft of the first cylinder, and the pressing claw is used for pressing the rear cover.
3. The back cover processing system according to claim 1, wherein the suction mechanism includes a second cylinder and a vacuum assembly;
the vacuum assembly comprises a back plate and a sucker, a cavity is formed between the sucker and the back plate, a suction hole is formed in the sucker and communicated with the cavity, and a through hole is formed in the back plate and communicated with a vacuumizing device;
the second cylinder is fixedly arranged on the bottom plate, and a driving shaft of the second cylinder is fixedly connected with the rear plate.
4. The rear cover processing system according to claim 3, wherein the suction mechanism further comprises a limiting assembly, one end of the limiting assembly is fixedly arranged on the bottom plate, and the limiting assembly is used for limiting the sinking height of the vacuum assembly.
5. The back cover processing system according to claim 4, wherein the vacuum assembly further comprises a gasket disposed at a junction of the suction cup and the back plate.
6. The rear cover processing system as claimed in claim 3, wherein the side of the inner wall of the mounting plate, which is provided with the mounting hole, away from the bottom plate extends towards the center of the mounting hole to form a first limit step;
one side of the edge of the sucker, which is close to the rear plate, extends to the outer periphery to form a second limiting step, and the first limiting step and the second limiting step are correspondingly arranged.
7. The rear cover machining system of claim 1, wherein the hold-down mechanism includes a tool bit and a hold-down assembly, the tool bit and the hold-down assembly being coupled, the hold-down assembly being disposed relative to a side of the mounting plate away from the base plate.
8. The rear cover machining system according to claim 7, wherein the pressing assembly includes a pressing block unit to which the tool bit is coupled and an elastic coating layer that covers a side of the pressing block unit facing the mounting plate.
9. The back cover machining system according to claim 8, wherein the pressing block unit includes a first pressing block, a second pressing block, a cushion module, and a locking screw;
the first pressing block is provided with a first spring mounting hole and a through hole, and the bottom of the first spring mounting hole is provided with a first bolt hole penetrating through the first pressing block;
the second press block is provided with a second spring mounting hole and a locking hole, the second spring mounting hole and the first spring mounting hole are oppositely arranged, and the bottom of the second spring mounting hole is provided with a bolt accommodating hole;
the first bolt hole, the first spring mounting hole, the second spring mounting hole and the bolt accommodating hole form a buffer space;
the buffer module comprises a guide bolt and a spring, one end of the guide bolt is arranged in the buffer space, the spring is sleeved on the guide bolt, and the spring is accommodated in a spring mounting hole formed by the first spring mounting hole and the second spring mounting hole;
one end of the locking screw rod is arranged in the accommodating space formed by the through hole and the locking hole, the locking screw rod is fixedly connected with the second pressing block, and the locking screw rod can move relative to the first pressing block.
10. The rear cover processing system according to claim 9, wherein the number of the buffer modules is four, and the four buffer modules are arranged along four corners of a rectangle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472061.3A CN111589899A (en) | 2020-05-28 | 2020-05-28 | Rear cover machining system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010472061.3A CN111589899A (en) | 2020-05-28 | 2020-05-28 | Rear cover machining system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111589899A true CN111589899A (en) | 2020-08-28 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010472061.3A Pending CN111589899A (en) | 2020-05-28 | 2020-05-28 | Rear cover machining system |
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| Country | Link |
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| CN (1) | CN111589899A (en) |
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| US20190176428A1 (en) * | 2016-04-15 | 2019-06-13 | Towa Corporation | Tableting punch or die and tableting machine including the same |
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| CN209565387U (en) * | 2019-01-23 | 2019-11-01 | 烟台市东林精密金属制品有限公司 | Evener is used in a kind of spring leaf production of automobile pressing piece |
| CN209935578U (en) * | 2019-03-14 | 2020-01-14 | 南京汽枪厂有限公司 | Novel air gun barrel straightener |
| CN212370866U (en) * | 2020-05-28 | 2021-01-19 | 东莞市新美洋技术有限公司 | Rear cover machining system |
-
2020
- 2020-05-28 CN CN202010472061.3A patent/CN111589899A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20190176428A1 (en) * | 2016-04-15 | 2019-06-13 | Towa Corporation | Tableting punch or die and tableting machine including the same |
| CN207189227U (en) * | 2017-06-30 | 2018-04-06 | 惠州市金鸿丰高精密五金有限公司 | A kind of sheet fabrication fixture |
| CN109332495A (en) * | 2018-11-15 | 2019-02-15 | 江苏纽克光谱科技有限公司 | A kind of press machine that machining accuracy is high |
| CN209223010U (en) * | 2018-11-28 | 2019-08-09 | 深圳市正晋昌科技有限公司 | One kind having shock-absorbing function and antiwear stamping die |
| CN209565387U (en) * | 2019-01-23 | 2019-11-01 | 烟台市东林精密金属制品有限公司 | Evener is used in a kind of spring leaf production of automobile pressing piece |
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