CN219618379U - Thick wall plastic guardrail injection mold with cut clout structure - Google Patents
Thick wall plastic guardrail injection mold with cut clout structure Download PDFInfo
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- CN219618379U CN219618379U CN202320666150.0U CN202320666150U CN219618379U CN 219618379 U CN219618379 U CN 219618379U CN 202320666150 U CN202320666150 U CN 202320666150U CN 219618379 U CN219618379 U CN 219618379U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/62—Plastics recycling; Rubber recycling
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Abstract
The utility model provides a thick-wall plastic guardrail injection mold with a shearing excess material structure, and belongs to the technical field of molds. The plastic injection molding machine comprises an upper die plate and a lower die plate, wherein a plurality of guardrail molding cavities are arranged between the upper die plate and the lower die plate, the plastic injection molding machine further comprises a plurality of plastic injection runners for injecting injection molding liquid into the guardrail molding cavities, and residual material shearing assemblies are further arranged on two sides of the plastic injection runners and at the joint of the plastic injection runners and the guardrail molding cavities. Injection molding liquid can flow into the guardrail forming cavity through the glue inlet flow passage, after injection molding liquid is condensed, the residual material shearing assembly can shear the residual material, the product and the joints of the two ends of the residual material and the glue inlet flow passage, so that the guardrail product does not need to be sheared again after the product is ejected.
Description
Technical Field
The utility model belongs to the technical field of molds, and relates to a thick-wall plastic guardrail injection mold with a shearing excess material structure.
Background
The plastic guardrail is generally through injection moulding, and plastic guardrail injection mold can leave partial clout in the runner of gluing when moulding plastics, and after the injection molding liquid solidifies, this partial clout can solidify in the runner of gluing, and though there is the ejecting clout ejection mechanism of clout in the runner of gluing that can advance in the prior art, the clout after ejecting still can adhere on the guardrail product, needs the manual work to cut out, and the human cost during production is great.
For example, chinese patent discloses an injection molding mold for a combined isolation barrier [ application number: 202023250195.5, including last mould, the top fixed mounting injection pipe of last mould, the side fixed mounting of injection pipe bottom has preheating device, the bottom movable mounting of last mould has the bed die, the bottom fixed mounting of bed die has ejecting device, ejecting device's bottom fixed mounting has heat abstractor.
Disclosure of Invention
The utility model aims to solve the problems and provides a thick-wall plastic guardrail injection mold with a shearing excess material structure.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
the utility model provides a thick wall plastics guardrail injection mold with cut clout structure, includes cope match-plate pattern and lower bolster, cope match-plate pattern and lower bolster between be equipped with a plurality of guardrail molding cavity, still include a plurality of glue runners that are used for pouring into injection molding liquid into the guardrail molding cavity into, glue runner both sides and the junction of glue runner and guardrail molding cavity still be equipped with clout shearing module.
In the thick-wall plastic guardrail injection mold with the cutting excess material structure, the excess material cutting assembly comprises a cutting head and a push rod, wherein the cutting head is vertically arranged on the lower die plate, and the bottom of the cutting head is connected with a push rod driving plate arranged on the lower side of the lower die plate through the push rod.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the lower mold plate is also provided with a limiting rod which is inserted into the bottom of the shearing head and is in sliding connection with the ejector rod.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the ejector rod driving plate is arranged at the lower side of the ejector pin fixing plate connected with the ejection mechanism, the ejector rod vertically penetrates through the ejector pin fixing plate and is in sliding connection with the ejector pin fixing plate, and a section of gap is formed between the ejector rod driving plate and the ejector pin fixing plate.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, four guardrail forming cavities are arranged between the upper template and the lower template and are respectively positioned at four side wall positions of the upper template and the lower template, one side of each guardrail forming cavity, which is far away from the glue inlet runner, is provided with a sliding core drawing seat which is in sliding connection with the lower template and the inner end of each guardrail forming cavity is inserted into the corresponding guardrail forming cavity, and one side of each guardrail forming cavity is also provided with a guardrail mounting part forming structure connected with the corresponding sliding core drawing seat.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the guardrail mounting part forming structure comprises a forming seat fixedly connected with the sliding core drawing seat, an upper forming block, a middle forming block and a lower forming block which are horizontally arranged are fixedly connected on the forming seat, a rectangular mounting part forming groove is formed among the upper forming block, the middle forming block and the lower forming block, the mounting part forming groove is connected with the side part of the guardrail forming cavity, and a translation assembly capable of driving the upper forming block, the middle forming block and the lower forming block to approach or separate from the guardrail forming cavity along the horizontal direction is further arranged on the lower template.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the cross section of the middle forming block is square, the upper forming block is provided with an upper horizontal forming surface and a vertical forming surface, the top of the lower forming block is provided with a lower horizontal forming surface, and the upper horizontal forming surface, the vertical forming surface and the lower horizontal forming surface are respectively arranged corresponding to the rest three side walls of the middle forming block, which are far away from one side of the guardrail forming cavity.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are convexly provided with molding lugs with isosceles trapezoid cross sections, the three side walls of the middle molding lugs corresponding to the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are provided with inward concave first molding grooves, and the molding lugs are inserted into the first molding grooves.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the side wall of the middle forming block, which is close to one side of the guardrail forming cavity, is provided with two inward concave second forming grooves.
In the thick-wall plastic guardrail injection mold with the shearing excess material structure, the translation assembly comprises a translation seat fixed on the lower template, the forming seat is arranged on the translation seat and is in sliding connection with the translation seat, and the translation seat is fixedly connected with a linear driver connected with the forming seat;
the forming seat on still be equipped with the T type stopper of inserting to translation seat in, the lower bolster on still be equipped with two at least T type stoppers of inserting to sliding in the core seat of taking out.
Compared with the prior art, the utility model has the advantages that:
1. injection molding liquid can flow into the guardrail forming cavity through the glue inlet flow passage, after injection molding liquid is condensed, the residual material shearing assembly can shear the residual material, the product and the joints of the two ends of the residual material and the glue inlet flow passage, so that the guardrail product does not need to be sheared again after the product is ejected.
2. The ejector rod driving plate is externally connected with a driving mechanism, the driving mechanism can drive the shearing head to move along the vertical direction through the ejector rod, and the sharp edge at the top surface of the shearing head can shear condensed injection molding liquid.
3. Guardrail installation department shaping structure can be in guardrail product lateral part shaping play guardrail installation department, need not later stage secondary operation, can effectively improve the production efficiency of guardrail product.
4. The installation part forming groove formed by combining the upper forming block, the middle forming block and the lower forming block can form a rectangular guardrail installation part on the side part of a product, after the product is injection molded, the translation assembly can drive the forming seat, the sliding core drawing seat connected with the forming seat and the upper forming block, the middle forming block and the lower forming block on the forming seat to move in the direction away from the guardrail forming cavity, so that the sliding core drawing seat, the upper forming block, the middle forming block and the lower forming block are separated from the product, and the product is convenient to be demoulded.
Additional advantages, objects, and features of the utility model will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the utility model.
Drawings
FIG. 1 is a schematic view of the external structure of the present utility model;
FIG. 2 is a schematic view of the structure of the lower die plate;
FIG. 3 is a schematic structural view of a sliding core print and guardrail mounting portion forming structure;
FIG. 4 is a schematic structural view of a guardrail mounting portion forming structure;
fig. 5 is a schematic structural view of the trim component.
In the figure, an upper die plate 1, a lower die plate 2, a guardrail forming cavity 3, a glue inlet runner 4, a residual material shearing assembly 5, a shearing head 6, a mandril 7, a limiting rod 8, a sliding core drawing seat 9, a guardrail mounting part forming structure 10, a forming seat 11, an upper forming block 12, a middle forming block 13, a lower forming block 14, a mounting part forming groove 15, a forming lug 16, a first forming groove 17, a second forming groove 18, a translation seat 19, a first T-shaped limiting block 20 and a second T-shaped limiting block 21.
Detailed Description
As shown in fig. 1-5, the thick-wall plastic guardrail injection mold with the excess material shearing structure comprises an upper mold plate 1 and a lower mold plate 2, wherein a plurality of guardrail forming cavities 3 are arranged between the upper mold plate 1 and the lower mold plate 2, the thick-wall plastic guardrail injection mold further comprises a plurality of glue inlet flow passages 4 for injecting injection molding liquid into the guardrail forming cavities 3, and excess material shearing assemblies 5 are further arranged on two sides of the glue inlet flow passages 4 and at the joint of the glue inlet flow passages 4 and the guardrail forming cavities 3.
According to the utility model, injection molding liquid can flow into the guardrail forming cavity through the glue inlet flow channel 4, after the injection molding liquid is condensed, the residual material shearing assembly can shear off the residual material, the product and the connection parts of the two ends of the residual material and the glue inlet flow channel, so that the guardrail product does not need to be sheared again after the product is ejected.
Specifically, as shown in fig. 5, the residual material shearing assembly 5 comprises a shearing head 6 and a push rod 7, wherein the shearing head 6 is vertically arranged on the lower die plate 2, and the bottom of the shearing head 6 is connected with a push rod driving plate arranged on the lower side of the lower die plate 2 through the push rod 7. The ejector rod driving plate is externally connected with a driving mechanism, the driving mechanism can drive the shearing head to move along the vertical direction through the ejector rod, and the sharp edge at the top surface of the shearing head can shear condensed injection molding liquid.
Preferably, the lower die plate 2 is also provided with a limiting rod 8, and the limiting rod 8 is inserted into the bottom of the shearing head 6 and is in sliding connection with the ejector rod 7. The limiting rod can limit the shearing head.
Specifically speaking, ejector pin drive plate sets up the downside at the thimble fixed plate that links to each other with ejection mechanism, and ejector pin 7 vertically runs through the thimble fixed plate and with thimble fixed plate sliding connection, ejector pin drive plate and thimble fixed plate between have a section clearance.
Specifically, as shown in fig. 2, four side wall positions of the upper template 1 and the lower template 2 are respectively arranged between the upper template 1 and the lower template 2, a sliding core drawing seat 9 which is connected with the lower template 2 in a sliding manner and is inserted into the guardrail forming cavity 3 at the inner end is arranged on one side of the guardrail forming cavity 3 far away from the glue inlet runner 4, and a guardrail mounting part forming structure 10 connected with the sliding core drawing seat 9 is further arranged on one side of the guardrail forming cavity 3. The guardrail mounting portion shaping structure 10 can be in guardrail product lateral part shaping play guardrail mounting portion, need not later stage secondary operation, can effectively improve the production efficiency of guardrail product.
Specifically, as shown in fig. 3 and 4, the guard rail mounting portion forming structure 10 includes a forming seat 11 fixedly connected with the sliding core drawing seat 9, the forming seat 11 is fixedly connected with an upper forming block 12, a middle forming block 13 and a lower forming block 14 which are horizontally arranged, a rectangular mounting portion forming groove 15 is formed among the upper forming block 12, the middle forming block 13 and the lower forming block 14, the mounting portion forming groove 15 is connected with the side portion of the guard rail forming cavity 3, and a translation assembly capable of driving the upper forming block 12, the middle forming block 13 and the lower forming block 14 to approach or separate from the guard rail forming cavity 3 along the horizontal direction is further arranged on the lower die plate 2. The mounting part forming groove 15 formed by combining the upper forming block 12, the middle forming block 13 and the lower forming block 14 can form a rectangular guardrail mounting part on the side part of a product, after the product is injection molded, the translation assembly can drive the forming seat 11, the sliding core drawing seat connected with the forming seat and the upper forming block 12, the middle forming block 13 and the lower forming block 14 on the forming seat to move away from the guardrail forming cavity, so that the sliding core drawing seat, the upper forming block 12, the middle forming block 13 and the lower forming block 14 can be separated from the product, and the product is convenient to be demoulded.
Specifically, the cross section of the middle molding block 13 is square, the upper molding block 12 is provided with an upper horizontal molding surface and a vertical molding surface, the top of the lower molding block 14 is provided with a lower horizontal molding surface, and the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are respectively and correspondingly arranged with the other three side walls of the middle molding block 13, which are far away from the side of the guardrail molding cavity 3.
Preferably, forming convex blocks 16 with isosceles trapezoid cross sections are convexly arranged on the upper horizontal forming surface, the vertical forming surface and the lower horizontal forming surface, a first forming groove 17 which is concave inwards is formed on three side walls of the middle forming block 13 corresponding to the upper horizontal forming surface, the vertical forming surface and the lower horizontal forming surface, and the forming convex blocks 16 are inserted into the first forming groove 17; the side wall of the middle forming block 13, which is close to one side of the guardrail forming cavity 3, is provided with two inward concave second forming grooves 18. The first forming groove 17 and the second forming groove 18 can form reinforcing ribs in the guardrail mounting portion, so that the strength of the guardrail mounting portion can be improved, and the forming protruding block 16 can form a concave limiting slideway outside the guardrail mounting portion.
Specifically, the translation assembly comprises a translation seat 19 fixed on the lower template 2, the forming seat 11 is arranged on the translation seat 19 and is in sliding connection with the translation seat 19, and the translation seat 19 is fixedly connected with a linear driver connected with the forming seat 11; the linear driver can drive the forming seat to reciprocate along the translation seat.
Those skilled in the art will appreciate that the linear actuator is not shown in the figures and that the linear actuator may be a cylinder, a linear motor, or the like.
Preferably, the forming seat 11 is further provided with a first T-shaped limiting block 20 inserted into the translation seat 19, and the lower die plate 2 is further provided with at least two second T-shaped limiting blocks 21 inserted into the sliding core drawing seat 9. The first T-shaped limiting block 20 can limit the forming seat, and the second T-shaped limiting block 21 can limit the sliding core drawing seat.
The working principle of the utility model is as follows: the injection molding liquid can flow into the guardrail forming cavity through the glue inlet flow channel 4, after the injection molding liquid is condensed, the residual material shearing assembly can shear the residual material and the product and the joints of the two ends of the residual material and the glue inlet flow channel, so that the guardrail product does not need to be sheared again after the product is ejected;
the ejector rod driving plate is externally connected with a driving mechanism, the driving mechanism can drive the shearing head to move along the vertical direction through the ejector rod, the sharp edge at the top surface of the shearing head can shear condensed injection molding liquid, the guardrail mounting part forming structure 10 can form a guardrail mounting part at the side part of a guardrail product, post secondary processing is not needed, and the production efficiency of the guardrail product can be effectively improved;
the installation part forming groove 15 formed by combining the upper forming block 12, the middle forming block 13 and the lower forming block 14 can form a rectangular guardrail installation part on the side part of a product, after the product is subjected to injection molding, the translation assembly can drive the forming seat 11, the sliding core drawing seat connected with the forming seat and the upper forming block 12, the middle forming block 13 and the lower forming block 14 on the forming seat to move away from the guardrail forming cavity, so that the sliding core drawing seat, the upper forming block 12, the middle forming block 13 and the lower forming block 14 can be separated from the product, the product is convenient to demould, the first forming groove 17 and the second forming groove 18 can form reinforcing ribs in the guardrail installation part, the strength of the guardrail installation part can be improved, the forming projection 16 can form a concave limiting slide way on the outer side of the guardrail installation part, the linear driver can drive the forming seat to reciprocate along the translation seat, the first T-shaped limiting block 20 can limit the forming seat, and the second T-shaped limiting block 21 can limit the sliding core drawing seat.
The specific embodiments described herein are offered by way of example only to illustrate the spirit of the utility model. Those skilled in the art may make various modifications or additions to the described embodiments or substitutions thereof without departing from the spirit of the utility model or exceeding the scope of the utility model as defined in the accompanying claims.
Although the upper die plate 1, the lower die plate 2, the guardrail forming cavity 3, the glue inlet flow passage 4, the surplus material shearing assembly 5, the shearing head 6, the ejector rod 7, the limit rod 8, the sliding core drawing seat 9, the guardrail mounting portion forming structure 10, the forming seat 11, the upper forming block 12, the middle forming block 13, the lower forming block 14, the mounting portion forming groove 15, the forming projection 16, the first forming groove 17, the second forming groove 18, the translation seat 19, the first T-shaped limiting block 20, the second T-shaped limiting block 21 and the like are used more herein, these terms are used only for more convenience in describing and explaining the essence of the present utility model; they are to be interpreted as any additional limitation that is not inconsistent with the spirit of the present utility model.
Claims (10)
1. The utility model provides a thick wall plastics guardrail injection mold with cut clout structure, includes cope match-plate pattern (1) and lower bolster (2), its characterized in that cope match-plate pattern (1) and lower bolster (2) between be equipped with a plurality of guardrail and take shape die cavity (3), still include a plurality of glue runner (4) that are used for pouring into injection molding liquid into in guardrail takes shape die cavity (3), glue runner (4) both sides and glue runner (4) and guardrail take shape the junction of die cavity (3) and still be equipped with clout shearing module (5).
2. The thick-wall plastic guardrail injection mold with the shearing excess material structure according to claim 1, wherein the excess material shearing assembly (5) comprises a shearing head (6) and a push rod (7), the shearing head (6) is vertically arranged on the lower die plate (2), and the bottom of the shearing head (6) is connected with a push rod driving plate arranged on the lower side of the lower die plate (2) through the push rod (7).
3. The injection mold for the thick-wall plastic guardrail with the shearing excess structure according to claim 2, wherein a limiting rod (8) is further arranged on the lower die plate (2), and the limiting rod (8) is inserted into the bottom of the shearing head (6) and is in sliding connection with the ejector rod (7).
4. The injection mold for thick-wall plastic guardrails with the shearing excess structure according to claim 3, wherein the ejector rod driving plate is arranged at the lower side of an ejector pin fixing plate connected with the ejection mechanism, the ejector rod (7) vertically penetrates through the ejector pin fixing plate and is in sliding connection with the ejector pin fixing plate, and a section of gap is formed between the ejector rod driving plate and the ejector pin fixing plate.
5. The thick-wall plastic guardrail injection mold with the shearing excess material structure according to claim 1, characterized in that four guardrail forming cavities (3) are arranged between the upper template (1) and the lower template (2) and are respectively positioned at four side wall positions of the upper template (1) and the lower template (2), a sliding core drawing seat (9) which is in sliding connection with the lower template (2) and is inserted into the guardrail forming cavities (3) at the inner end is arranged at one side of the guardrail forming cavities (3), and a guardrail mounting part forming structure (10) which is connected with the sliding core drawing seat (9) is further arranged at one side of the guardrail forming cavities (3).
6. The thick-wall plastic guardrail injection mold with the shearing excess material structure according to claim 5, wherein the guardrail mounting portion forming structure (10) comprises a forming seat (11) fixedly connected with a sliding core drawing seat (9), an upper forming block (12), a middle forming block (13) and a lower forming block (14) which are horizontally arranged are fixedly connected on the forming seat (11), a rectangular mounting portion forming groove (15) is formed among the upper forming block (12), the middle forming block (13) and the lower forming block (14), the mounting portion forming groove (15) is connected with the side portion of a guardrail forming cavity (3), and a translation assembly capable of driving the upper forming block (12), the middle forming block (13) and the lower forming block (14) to approach or separate from the guardrail forming cavity (3) along the horizontal direction is further arranged on the lower template (2).
7. The thick-wall plastic guardrail injection mold with the shearing excess material structure as claimed in claim 6, wherein the cross section of the middle molding block (13) is square, the upper molding block (12) is provided with an upper horizontal molding surface and a vertical molding surface, the top of the lower molding block (14) is provided with a lower horizontal molding surface, and the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are respectively arranged corresponding to the three other side walls of one side, far away from the guardrail molding cavity (3), of the middle molding block (13).
8. The thick-wall plastic guardrail injection mold with the shearing excess material structure according to claim 7, wherein the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are convexly provided with molding convex blocks (16) with isosceles trapezoid cross sections, three side walls of the middle molding block (13) corresponding to the upper horizontal molding surface, the vertical molding surface and the lower horizontal molding surface are provided with inward concave first molding grooves (17), and the molding convex blocks (16) are inserted into the first molding grooves (17).
9. The injection mold for the thick-wall plastic guardrail with the shearing excess structure as claimed in claim 8, wherein two inward concave second forming grooves (18) are formed in the side wall of the middle forming block (13) close to one side of the guardrail forming cavity (3).
10. The thick-wall plastic guardrail injection mold with the shearing excess structure according to claim 6, wherein the translation assembly comprises a translation seat (19) fixed on the lower template (2), the molding seat (11) is arranged on the translation seat (19) and is in sliding connection with the translation seat (19), and a linear driver connected with the molding seat (11) is fixedly connected on the translation seat (19);
the forming seat (11) is also provided with a first T-shaped limiting block (20) which is inserted into the translation seat (19), and the lower die plate (2) is also provided with at least two second T-shaped limiting blocks (21) which are inserted into the sliding core drawing seat (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320666150.0U CN219618379U (en) | 2023-03-27 | 2023-03-27 | Thick wall plastic guardrail injection mold with cut clout structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320666150.0U CN219618379U (en) | 2023-03-27 | 2023-03-27 | Thick wall plastic guardrail injection mold with cut clout structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219618379U true CN219618379U (en) | 2023-09-01 |
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ID=87797098
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320666150.0U Active CN219618379U (en) | 2023-03-27 | 2023-03-27 | Thick wall plastic guardrail injection mold with cut clout structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219618379U (en) |
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2023
- 2023-03-27 CN CN202320666150.0U patent/CN219618379U/en active Active
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