CN219986111U - Extrusion die capable of preventing product molding from being interfered - Google Patents
Extrusion die capable of preventing product molding from being interfered Download PDFInfo
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- CN219986111U CN219986111U CN202321570043.4U CN202321570043U CN219986111U CN 219986111 U CN219986111 U CN 219986111U CN 202321570043 U CN202321570043 U CN 202321570043U CN 219986111 U CN219986111 U CN 219986111U
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- 238000001125 extrusion Methods 0.000 title claims abstract description 24
- 238000000465 moulding Methods 0.000 title claims abstract description 20
- 239000000463 material Substances 0.000 claims abstract description 23
- 230000015572 biosynthetic process Effects 0.000 claims 2
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 238000007493 shaping process Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model provides an extrusion die for preventing product molding interference, which comprises an upper die assembly and a lower die assembly, wherein the upper die assembly sequentially comprises an upper die holder, an upper base plate, an upper clamping plate and a stripper plate from top to bottom, the upper clamping plate and the stripper plate are in sliding connection with an inner ejector block, a first molding inner cavity is arranged below the stripper plate, the inner ejector block penetrates through the first molding inner cavity, a supporting frame is elastically connected in the upper die holder, and the supporting frame is fixedly connected with the inner ejector block. Compared with the prior art, the extrusion die for preventing the product from being interfered during molding has a compact structure, can effectively avoid interference to materials when the die is assembled, and when the die is assembled, the ejector rod is firstly in contact with the lower die plate, so that the extrusion spring pushes the cross rod upwards, the inner ejector block is further pushed upwards to jack up, poor molding caused by the fact that the inner ejector block is firstly in contact with the materials is avoided, the corners of the surface of the product are smooth, the production quality of the product is ensured, and the reject ratio of the product is reduced.
Description
Technical Field
The utility model relates to the technical field of extrusion dies, in particular to an extrusion die for preventing product molding from being interfered.
Background
The extrusion die is to punch a metal blank through an upper die and a lower die to obtain a finished product, when a product (12) with a forming boss upwards shown in a drawing (3) is processed, the existing extrusion die is characterized in that an inner ejector block (5) protrudes downwards in an open die state as shown in a drawing (1) and a drawing (2), when the die is closed, the inner ejector block (5) can be contacted with a material first, and when the product is formed upwards, the downward ejection force of the inner ejector block (5) and the upward forming force form interference, so that the material has poor flowability, and the defects of corner collapse and the like occur at corners of the surface of the product.
Disclosure of Invention
The utility model aims to provide an extrusion die for preventing product molding from being interfered, so as to solve the technical problem in the background technology.
In order to achieve the above object, the present utility model provides the following technical solutions:
the utility model provides an extrusion die that prevents that product shaping from receiving the interference, includes mould subassembly and lower mould subassembly, go up mould subassembly from last die holder, upper padding plate, punch holder and the stripper plate down in proper order, punch holder and stripper plate sliding connection have interior kicking block, the below of stripper plate is equipped with first shaping inner chamber, interior kicking block passes first shaping inner chamber, elastic connection has the support frame in the upper die holder, support frame and interior kicking block fixed connection.
The support frame comprises a cross rod, two sides of the cross rod are respectively and fixedly connected with a top rod, the top of the cross rod is provided with a spring, one end of the spring is in contact with the top of the upper die seat, the other end of the spring is in contact with the top of the cross rod, the top of the inner top block is provided with a connecting rod and the cross rod which are fixedly connected, the bottom of the top rod passes through a stripper plate, and in a die opening state, the top rod protrudes out of the bottom end face of the stripper plate.
The upper die assembly further comprises a material ejection sleeve, the material ejection sleeve is arranged in the upper clamping plate and the material removing plate, the inner ejection block slides in the material ejection sleeve, a sliding hole is formed in the material ejection sleeve, the sliding hole comprises an upper slide way and a lower slide way, the diameter of the upper slide way is smaller than that of the lower slide way, the joint of the upper slide way and the lower slide way is a step part, an annular boss which extends outwards is arranged at the top of the inner ejection block and is matched with the step part, the thickness of the annular boss is smaller than the depth of the upper slide way, and a second molding inner cavity is formed in the bottom of the lower slide way and is communicated with the first molding inner cavity.
The lower die assembly comprises a lower die plate, a lower base plate and a lower die holder from top to bottom.
Compared with the prior art, the extrusion die for preventing the product from being interfered during molding has a compact structure, can effectively avoid interference to materials when the die is assembled, and when the die is assembled, the ejector rod is firstly in contact with the lower die plate, so that the extrusion spring pushes the cross rod upwards, the inner ejector block is further pushed upwards to jack up, poor molding caused by contact of the inner ejector block with the materials is avoided, corners on the surface of the product are smooth, the production quality of the product is ensured, the reject ratio of the product is reduced, meanwhile, the elastic supporting structure of the inner ejector block by the supporting frame can also enable the inner ejector block to keep contact with the product until the product and the die cavity are completely demolded during demolding, the effect of gradually demolding is achieved, and the product is ensured to realize complete demolding.
Drawings
Fig. 1: a die structure diagram of the prior art;
fig. 2: an enlarged view at a of fig. 1;
fig. 3: the structure of the product processed in the utility model is schematically shown;
fig. 4: the extrusion die of the utility model is in a die-opening state structure schematic diagram;
fig. 5: the installation structure of the inner ejector block and the ejector sleeve is schematically shown;
fig. 6: the die clamping state structure of the extrusion die is schematically shown.
Detailed Description
The technical solutions in the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model.
Specific example 1: referring to fig. 4 to 6, in an embodiment of the present utility model, an extrusion die for preventing product forming interference includes an upper die assembly and a lower die assembly, the upper die assembly includes an upper die holder 1, an upper pad 2, an upper clamping plate 3 and a stripper plate 4 sequentially from top to bottom, the upper clamping plate 3 and the stripper plate 4 are slidably connected with an inner ejector block 5, a first forming cavity 401 is disposed below the stripper plate 4, the inner ejector block 5 passes through the first forming cavity 401, a supporting frame 7 is elastically connected in the upper die holder 1, the supporting frame 7 is fixedly connected with the inner ejector block 5, and the lower die assembly includes a lower die plate 9, a lower pad 10 and a lower die holder 11 sequentially from top to bottom.
The support frame 7 includes the horizontal pole 701, the both sides of horizontal pole 701 are fixed connection ejector pin 702 respectively, ejector pin 702 and horizontal pole 701 set up perpendicularly, spring 703 is installed to the horizontal pole 701 top, spring 703 one end is in touch with upper die base 1 top, its other end is in touch with horizontal pole 701 top, connecting rod and horizontal pole 701 fixed connection are installed at the top of interior kicking block 5, stripper plate 4 is passed to the bottom of ejector pin 702, under the die sinking state, ejector pin 702 protrusion stripper plate 4's bottom face is equipped with corresponding movable chamber in upper die base 1 and is used for horizontal pole 701 to carry out the displacement motion from top to bottom in extrusion spring 703 or reset.
The upper die assembly further comprises a material ejection sleeve 6, the material ejection sleeve 6 is arranged in the upper clamping plate 3 and the material removing plate 4, the inner ejection block 5 slides in the material ejection sleeve 6, a sliding hole 601 is formed in the material ejection sleeve 6, the sliding hole 601 comprises an upper slide way 601-1 and a lower slide way 601-2, the diameter of the upper slide way 601-1 is smaller than that of the lower slide way 601-2, the joint of the upper slide way 601-1 and the lower slide way 601-2 is a step part, an annular boss 501 which extends outwards is arranged at the top of the inner ejection block 5 and is matched with the step part, and the thickness H of the annular boss 501 is equal to that of the lower slide way 601-2 2 Depth H less than upper run 601-1 1 Namely, the annular boss 501 slides up and down in the upper slide way 601-1, and a second forming inner cavity 601-2-1 is arranged at the bottom of the lower slide way 601-2 and communicated with the first forming inner cavity 401.
Working principle: in the mold opening state, the bottom of the ejector rod 702 is protruded out of the stripper plate 4, when the mold is closed, along with the continuous rising of the lower mold plate 9, the lower mold plate 9 is in contact with the ejector rod 702, the ejector rod 702 extrudes the spring 703 to enable the cross rod 701 to continuously move upwards, namely, the inner ejector block 5 also continuously slides upwards along with the mold closing of the mold until the mold is completely closed, the inner ejector block 5 also stays at a set molding position, after the extrusion molding of a product is completed, during the mold opening process, the lower mold plate 9 continuously moves downwards, the ejector rod 702 has a downward pressing force under the reaction force of the spring 703, the inner ejector block 5 also keeps in contact with the surface of the product until the stripper plate 4 is completely separated from the lower mold plate 9, the ejector rod 702 is separated from the lower mold plate 9, and the inner ejector block 5 is separated from the product, and the demolding of the product is completed.
Compared with the prior art, the extrusion die for preventing the product from being interfered during molding has a compact structure, can effectively avoid interference to materials when the die is assembled, and when the die is assembled, the ejector rod is firstly in contact with the lower die plate, so that the extrusion spring pushes the cross rod upwards, the inner ejector block is further pushed upwards to jack up, poor molding caused by contact of the inner ejector block with the materials is avoided, corners on the surface of the product are smooth, the production quality of the product is ensured, the reject ratio of the product is reduced, meanwhile, the elastic supporting structure of the inner ejector block by the supporting frame can also enable the inner ejector block to keep contact with the product until the product and the die cavity are completely demolded during demolding, the effect of gradually demolding is achieved, and the product is ensured to realize complete demolding.
It will be evident to those skilled in the art that the utility model is not limited to the details of the foregoing illustrative embodiments, and that the present utility model may be embodied in other specific forms without departing from the spirit or essential characteristics thereof. The present embodiments are, therefore, to be considered in all respects as illustrative and not restrictive, the scope of the utility model being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.
Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.
Claims (4)
1. An extrusion die for preventing product molding from being interfered, which is characterized in that: the upper die assembly comprises an upper die base, an upper base plate, an upper clamping plate and a stripper plate from top to bottom in sequence, an inner ejector block is connected in a sliding manner in the upper clamping plate and the stripper plate, a first forming inner cavity is arranged below the stripper plate, the inner ejector block penetrates through the first forming inner cavity, a supporting frame is elastically connected in the upper die base, and the supporting frame is fixedly connected with the inner ejector block.
2. An extrusion die for preventing interference in product formation according to claim 1, wherein: the support frame comprises a cross rod, two sides of the cross rod are respectively and fixedly connected with a top rod, the top of the cross rod is provided with a spring, one end of the spring is in contact with the top of the upper die seat, the other end of the spring is in contact with the top of the cross rod, the top of the inner top block is provided with a connecting rod and the cross rod which are fixedly connected, the bottom of the top rod passes through a stripper plate, and in a die opening state, the top rod protrudes out of the bottom end face of the stripper plate.
3. An extrusion die for preventing interference in product formation according to claim 2, wherein: the upper die assembly further comprises a material ejection sleeve, the material ejection sleeve is arranged in the upper clamping plate and the material removing plate, the inner ejection block slides in the material ejection sleeve, a sliding hole is formed in the material ejection sleeve, the sliding hole comprises an upper slide way and a lower slide way, the diameter of the upper slide way is smaller than that of the lower slide way, the joint of the upper slide way and the lower slide way is a step part, an annular boss which extends outwards is arranged at the top of the inner ejection block and is matched with the step part, the thickness of the annular boss is smaller than the depth of the upper slide way, and a second molding inner cavity is formed in the bottom of the lower slide way and is communicated with the first molding inner cavity.
4. A extrusion die for preventing interference in product molding as claimed in claim 3, wherein: the lower die assembly comprises a lower die plate, a lower base plate and a lower die holder from top to bottom.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321570043.4U CN219986111U (en) | 2023-06-20 | 2023-06-20 | Extrusion die capable of preventing product molding from being interfered |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321570043.4U CN219986111U (en) | 2023-06-20 | 2023-06-20 | Extrusion die capable of preventing product molding from being interfered |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219986111U true CN219986111U (en) | 2023-11-10 |
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ID=88618248
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321570043.4U Active CN219986111U (en) | 2023-06-20 | 2023-06-20 | Extrusion die capable of preventing product molding from being interfered |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219986111U (en) |
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2023
- 2023-06-20 CN CN202321570043.4U patent/CN219986111U/en active Active
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