CN219648695U - Tool bit cold pressing die and powder cold pressing molding machine - Google Patents
Tool bit cold pressing die and powder cold pressing molding machine Download PDFInfo
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- CN219648695U CN219648695U CN202320928416.4U CN202320928416U CN219648695U CN 219648695 U CN219648695 U CN 219648695U CN 202320928416 U CN202320928416 U CN 202320928416U CN 219648695 U CN219648695 U CN 219648695U
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- 239000000843 powder Substances 0.000 title claims abstract description 73
- 238000003825 pressing Methods 0.000 title claims abstract description 44
- 238000000465 moulding Methods 0.000 title claims abstract description 21
- 238000005507 spraying Methods 0.000 claims abstract description 31
- 230000002265 prevention Effects 0.000 claims abstract description 13
- 238000000034 method Methods 0.000 claims abstract description 9
- 229910000831 Steel Inorganic materials 0.000 claims description 8
- 239000010959 steel Substances 0.000 claims description 8
- 238000005452 bending Methods 0.000 claims 3
- 235000013409 condiments Nutrition 0.000 description 3
- 201000009240 nasopharyngitis Diseases 0.000 description 3
- 238000005520 cutting process Methods 0.000 description 2
- 235000011194 food seasoning agent Nutrition 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000004080 punching Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 229910003460 diamond Inorganic materials 0.000 description 1
- 239000010432 diamond Substances 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000002347 injection Methods 0.000 description 1
- 239000007924 injection Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004663 powder metallurgy Methods 0.000 description 1
- 238000009700 powder processing Methods 0.000 description 1
- 239000002994 raw material Substances 0.000 description 1
- 238000007493 shaping process Methods 0.000 description 1
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- Powder Metallurgy (AREA)
Abstract
The utility model discloses a tool bit cold-pressing die which comprises an upper die, a lower die and a template; the upper die comprises an upper die connecting block, an upper pressure head and a powder spraying prevention mechanism, wherein the upper pressure head is fixed on the upper die connecting block; the lower die comprises a lower die block and a lower pressing head, and the lower pressing head is arranged on the lower die block; the die plate is positioned between the upper die and the lower die, a die cavity for containing powder is arranged on the die plate, an upper opening for the upper pressing head to be inserted is formed at the upper end of the die cavity, and a lower opening for the lower pressing head to be inserted is formed at the lower end of the die cavity. According to the utility model, the powder spraying prevention mechanism is arranged on the upper die, so that the powder spraying phenomenon of the traditional powder cold press molding machine in the cold press process can be effectively solved.
Description
Technical Field
The utility model relates to the technical field of powder processing and forming equipment, in particular to a cutter head cold pressing die and a powder cold pressing forming machine.
Background
The powder cold press molding machine is internally provided with the cold press mold so as to realize one-time automatic connection and pressing of powder metallurgy parts with high precision and good finish, and the powder cold press molding machine not only saves a great deal of raw materials and processing time for cutting processing, but also has wide application range and is deeply favored by enterprises.
The utility model provides a have among the prior art and disclose some powder cold-pressing molding machine, as the patent document of application number 201520395419.1 discloses a full-automatic powder cold-pressing molding machine, it includes the roof, frame and bottom plate, the position department of four angles of frame all is provided with four first guide pillars perpendicularly, the both ends of first guide pillar butt respectively between roof and bottom plate, the roof below is equipped with the upper punch mechanism, the last mounting panel and the delivery sheet of sliding of first guide pillar are furnished with, install the hydro-cylinder on the mounting panel, the hydro-cylinder is connected with the upper punch mechanism, install feeding mechanism on the delivery sheet, be equipped with the cope match-plate pattern between mounting panel and the delivery sheet, the cope match-plate pattern is fixed in the bottom surface of mounting panel, the below of delivery sheet is equipped with lower mould and condiment mechanism corresponding to the position department of cope match-plate pattern, condiment mechanism is connected to the lower mould, condiment mechanism sets up on the bottom plate.
When the roof cutter head is cold-press-molded using a powder cold-press molding machine in the related art, as shown in fig. 1, the lower surface of the upper die 10 is curved to have a certain curvature, and the side portion of the upper die 10 forms the blade molding portion 20. After the powder is placed in the cavity of the horizontal steel plate, because the horizontal steel plate is horizontal, when the upper die 10 pushes down to drive the powder to form the roof cutter head, and the lower surface of the upper die 10 with radian contacts with the powder, the upper die 10 has a certain gap with the horizontal steel plate, so that the powder on the upper surface in the cavity is easy to be sprayed out from the opening 30 on the side part of the upper die 10, the powder spraying phenomenon is serious, and the formation of the roof cutter head is influenced. In view of the above, the present inventors have made intensive studies to solve the above-mentioned drawbacks of the prior art.
Disclosure of Invention
The present utility model aims to solve at least to some extent one of the technical problems in the above-described technology. Therefore, an object of the present utility model is to provide a tool bit cold-pressing die, which can effectively solve the powder spraying phenomenon of the conventional powder cold-pressing molding machine in the cold-pressing process by arranging a powder spraying prevention mechanism on an upper die.
A second object of the present utility model is to propose a powder cold press molding machine.
In order to achieve the above purpose, one aspect of the present utility model provides a tool bit cold-pressing die, which comprises an upper die, a lower die and a template;
the upper die comprises an upper die connecting block, an upper pressure head and a powder spraying prevention mechanism, wherein the upper pressure head is fixed on the upper die connecting block; the lower die comprises a lower die block and a lower pressing head, and the lower pressing head is arranged on the lower die block; the die plate is positioned between the upper die and the lower die, a die cavity for containing powder is arranged on the die plate, an upper opening for the upper pressing head to be inserted is formed at the upper end of the die cavity, and a lower opening for the lower pressing head to be inserted is formed at the lower end of the die cavity.
Further, the powder spraying prevention mechanism comprises an upper die movable block and an elastic piece, one end of the elastic piece is fixed on the upper die movable block, and the other end of the elastic piece is fixed on the upper die connecting block.
Further, an accommodating groove for placing the elastic piece is formed in the upper die movable block.
Further, the elastic member is a spring.
Further, the powder spraying prevention mechanism further comprises a movable connecting block, a first fixing piece and a second fixing piece, wherein the movable connecting block is provided with a strip-shaped long hole and a connecting hole, the first fixing piece penetrates through the strip-shaped long hole and then is connected with the upper die connecting block, and the second fixing piece penetrates through the connecting hole and then is connected with the upper die movable block.
Further, the first fixing piece and the second fixing piece are bolts.
Further, the template is a horizontal steel plate.
Further, an upper curved surface and an upper blade forming part are arranged at the end part of the upper pressure head, a lower curved surface opposite to the upper curved surface is arranged at the end part of the lower pressure head, and a lower blade forming part opposite to the upper blade forming part is also arranged at the end part of the lower pressure head.
In order to achieve the above object, a second aspect of the present utility model provides a powder cold press molding machine, comprising the tool bit cold press mold described above.
After the structure is adopted, the tool bit cold pressing die has at least the following beneficial effects:
firstly, in the cold pressing process, after powder is placed in a die cavity of a die plate, an upper die moves towards the direction of a lower die, when the upper die moves, the bottom of a powder spraying prevention mechanism is firstly contacted with the die plate, a perforation is just aligned with an upper opening of the die cavity, then the upper die continues to move, an upper pressure head is inserted into the die cavity from the upper opening through the perforation, a lower pressure head is inserted into a lower opening of the die cavity and is positioned in the die cavity, and the upper pressure head presses down to press and shape the powder. Because the bottom of the powder spraying preventing mechanism contacts with the template when the upper pressure head is pressed down, the powder spraying preventing mechanism effectively prevents powder from being sprayed out of the upper opening, thereby solving the powder spraying phenomenon of the traditional powder cold press molding machine in the cold press process.
And secondly, by arranging the upper die movable block and the elastic piece, after the upper die movable block is abutted against the die plate, the upper die connecting block can continuously move downwards, so that the upper pressure head is inserted into the die cavity through the upper opening to press and form the powder.
Compared with the prior art, the powder spraying prevention mechanism is arranged on the upper die, so that the powder spraying phenomenon of the traditional powder cold press molding machine in the cold press process can be effectively solved.
Drawings
FIG. 1 is a schematic diagram of a conventional cold-pressed powder injection structure;
fig. 2 is a schematic structural view of a cold-pressing die for a cutter head according to an embodiment of the present utility model.
FIG. 3 is an exploded view of a tool tip cold die according to an embodiment of the present utility model;
FIG. 4 is a schematic view of the structure of an upper ram according to an embodiment of the utility model;
FIG. 5 is a schematic view of the structure of a lower ram according to an embodiment of the utility model;
fig. 6 is a schematic view of a roof cutter cold-compression molded using the cutter head of the present utility model.
Description of the reference numerals
The upper die 1, the upper die connecting block 11, the upper ram 12, the upper curved surface 121, the upper blade forming portion 122, the powder-spraying preventing mechanism 13, the upper die movable block 131, the through hole 1311, the accommodating groove 1312, the elastic member 132, the movable connecting block 133, the bar-shaped long hole 1331, the connecting hole 1332, the first fixing member 134, the second fixing member 135, the lower die 2, the lower die block 21, the lower ram 22, the lower curved surface 221, the lower blade forming portion 222, the die plate 3, the die cavity 31, and the upper opening 311.
Detailed Description
Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative and intended to explain the present utility model and should not be construed as limiting the utility model.
As shown in fig. 2 to 6, the cold-pressing die for a tool bit of the present utility model includes an upper die 1, a lower die 2 and a die plate 3; the upper die 1 comprises an upper die connecting block 11, an upper pressure head 12 and a powder spraying prevention mechanism 13, wherein the upper pressure head 12 is fixed on the upper die connecting block 11, the powder spraying prevention mechanism 13 is arranged on the upper die connecting block 11 in a telescopic manner, and a through hole 1311 for the upper pressure head 12 to pass through is arranged on the powder spraying prevention mechanism 13; the lower die 2 comprises a lower die block 21 and a lower pressing head 22, and the lower pressing head 22 is arranged on the lower die block 21; the die plate 3 is located between the upper die 1 and the lower die 2, a die cavity 31 for accommodating powder is arranged on the die plate 3, an upper opening 311 for inserting the upper pressing head 12 is formed at the upper end of the die cavity 31, and a lower opening for inserting the lower pressing head 22 is formed at the lower end of the die cavity 31.
Thus, in the cold pressing process of the cutter head cold pressing die, after powder is placed in the die cavity 31 of the die plate 3, the upper die 1 moves towards the lower die 2, when the upper die 1 moves, the bottom of the powder spraying preventing mechanism 13 is firstly contacted with the die plate 3, the through holes 1311 are just aligned with the upper opening 311 of the die cavity 31, then the upper die 1 continues to move, so that the upper pressing head 12 is inserted into the die cavity 31 from the upper opening 311 through the through holes 1311, and the lower pressing head 22 is inserted into the lower opening of the die cavity 31 and is positioned in the die cavity 31, and the upper pressing head 12 presses down to press and shape the powder. Because the bottom of the powder spraying preventing mechanism 13 contacts with the template 3 when the upper pressure head 12 is pressed down, the powder spraying preventing mechanism 13 effectively prevents powder from being sprayed out of the upper opening 311, thereby solving the powder spraying phenomenon of the traditional powder cold press molding machine in the cold press process.
Optionally, the powder spraying preventing mechanism 13 includes an upper mold movable block 131 and an elastic member 132, one end of the elastic member 132 is fixed on the upper mold movable block 131, and the other end of the elastic member 132 is fixed on the upper mold connecting block 11. Wherein, the through hole 1311 is disposed on the upper movable die block 131, and by disposing the upper movable die block 131 and the elastic member 132, after the upper movable die block 131 abuts against the die plate 3, the upper connecting block 11 can move downward continuously, so as to realize the press forming of the powder by inserting the upper pressing head 12 into the die cavity 31 through the upper opening 311.
Further, an accommodating groove 1312 for accommodating the elastic member 132 is provided on the upper mold movable block 131. Through setting up the holding tank 1312, the installation of the elastic component 132 of being convenient for, wherein, the elastic component 132 is preferably the spring, and the spring has better elasticity, and after powder shaping, during the drawing of patterns, go up mould 1 and can effectively resume the original state.
As shown in fig. 3, in some examples, the powder preventing mechanism 13 further includes a movable connection block 133, a first fixing member 134 and a second fixing member 135, where a long bar hole 1331 and a connection hole 1332 are provided on the movable connection block 133, the first fixing member 134 passes through the long bar hole 1331 and is connected to the upper die connection block 11, and the second fixing member 135 passes through the connection hole 1332 and is connected to the upper die movable block 131. The first fixing member 134 and the second fixing member 135 are preferably bolts.
During installation, the first fixing piece 134 passes through the strip-shaped long hole 1331, then the first fixing piece 134 is locked on the upper die connecting block 11, then the second fixing piece 135 passes through the connecting hole 1332, finally the second fixing piece 135 is locked on the upper die movable block 131, when the upper die movable block 131 abuts against the die plate 3, the upper die connecting block 11 is continuously pressed down, at the moment, the first fixing piece 134 moves along the strip-shaped long hole 1331, and meanwhile, the elastic piece 132 is compressed, so that the upper pressure head 12 is pressed down to form powder.
In this example, the die plate 3 is preferably a horizontal steel plate, and the horizontal steel plate has a large overall hardness, so that the powder is easily compression-molded.
Further, as shown in fig. 4 and 5, the upper ram 12 has an upper curved surface 121 and an upper blade forming portion 122 at its end, the lower ram 22 has a lower curved surface 221 opposite to the upper curved surface 121 at its end, and the lower ram 22 has a lower blade forming portion 222 opposite to the upper blade forming portion 122 at its end. As shown in fig. 6, during forming, the upper ram 12 is positioned adjacent the lower ram 22 within the die cavity 31 to compress the powder into a roof cutter head a. Roof cutter a in this example is a diamond cutter with a curvature to facilitate cutting.
The utility model also provides a powder cold-pressing molding machine, which comprises the cutter head cold-pressing mold, wherein the powder cold-pressing molding machine further comprises a top plate, a rack and a bottom plate, the rack is provided with a first guide pillar, two ends of the first guide pillar are respectively abutted between the top plate and the bottom plate, an upper punching mechanism is arranged below the top plate, a mounting plate and a feeding plate are slidably arranged on the first guide pillar, an oil cylinder is arranged on the mounting plate and is connected with the upper punching mechanism, a feeding mechanism is arranged on the feeding plate, an upper mold 1 is arranged between the mounting plate and the feeding plate, the upper mold 1 is fixed on the bottom surface of the mounting plate, a lower mold 3 and a seasoning mechanism are arranged at the position, corresponding to the upper mold 1, of the lower mold 3, the seasoning mechanism is arranged on the bottom plate; the die plate 3 (cold-pressed horizontal steel plate) is fixed on the feed plate. When the powder cold press molding machine is used for molding powder, the powder spraying phenomenon can not occur due to the fact that the powder spraying preventing mechanism 13 is arranged on the upper die 1.
Compared with the prior art, the powder spraying prevention mechanism 13 is arranged on the upper die 1, so that the powder spraying phenomenon of the traditional powder cold press molding machine in the cold press process can be effectively solved.
The above examples and drawings are not intended to limit the form or form of the present utility model, and any suitable variations or modifications thereof by those skilled in the art should be construed as not departing from the scope of the present utility model.
Claims (9)
1. A tool bit cold-pressing die comprises an upper die, a lower die and a template; the method is characterized in that: the upper die comprises an upper die connecting block, an upper pressure head and a powder spraying prevention mechanism, wherein the upper pressure head is fixed on the upper die connecting block; the lower die comprises a lower die block and a lower pressing head, and the lower pressing head is arranged on the lower die block; the die plate is positioned between the upper die and the lower die, a die cavity for containing powder is arranged on the die plate, an upper opening for the upper pressing head to be inserted is formed at the upper end of the die cavity, and a lower opening for the lower pressing head to be inserted is formed at the lower end of the die cavity.
2. The tool bit cold die of claim 1, wherein: the powder spraying preventing mechanism comprises an upper die movable block and an elastic piece, one end of the elastic piece is fixed on the upper die movable block, and the other end of the elastic piece is fixed on the upper die connecting block.
3. The tool bit cold die of claim 2, wherein: the upper die movable block is provided with a containing groove for placing the elastic piece.
4. The tool bit cold die of claim 2, wherein: the elastic piece is a spring.
5. The tool bit cold die of claim 2, wherein: the powder spraying preventing mechanism further comprises a movable connecting block, a first fixing piece and a second fixing piece, wherein the movable connecting block is provided with a strip-shaped long hole and a connecting hole, the first fixing piece penetrates through the strip-shaped long hole and then is connected with the upper die connecting block, and the second fixing piece penetrates through the connecting hole and then is connected with the upper die movable block.
6. The tool bit cold die of claim 5, wherein: the first fixing piece and the second fixing piece are bolts.
7. The tool bit cold die of claim 1, wherein: the template is a horizontal steel plate.
8. The tool bit cold die of claim 1, wherein: the end part of the upper pressure head is provided with an upper bending surface and an upper blade forming part, the end part of the lower pressure head is provided with a lower bending surface opposite to the upper bending surface, and the end part of the lower pressure head is also provided with a lower blade forming part opposite to the upper blade forming part.
9. A powder cold press molding machine, characterized in that: comprising a tool bit cold die as claimed in any one of claims 1-8.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320928416.4U CN219648695U (en) | 2023-04-23 | 2023-04-23 | Tool bit cold pressing die and powder cold pressing molding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320928416.4U CN219648695U (en) | 2023-04-23 | 2023-04-23 | Tool bit cold pressing die and powder cold pressing molding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219648695U true CN219648695U (en) | 2023-09-08 |
Family
ID=87879594
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320928416.4U Active CN219648695U (en) | 2023-04-23 | 2023-04-23 | Tool bit cold pressing die and powder cold pressing molding machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219648695U (en) |
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2023
- 2023-04-23 CN CN202320928416.4U patent/CN219648695U/en active Active
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