CN219686435U - Demoulding mechanism of engine elbow - Google Patents
Demoulding mechanism of engine elbow Download PDFInfo
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- CN219686435U CN219686435U CN202320909697.9U CN202320909697U CN219686435U CN 219686435 U CN219686435 U CN 219686435U CN 202320909697 U CN202320909697 U CN 202320909697U CN 219686435 U CN219686435 U CN 219686435U
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- 238000003825 pressing Methods 0.000 claims description 15
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- 238000013461 design Methods 0.000 abstract description 4
- 238000000034 method Methods 0.000 abstract description 3
- 230000008569 process Effects 0.000 abstract description 3
- 238000001816 cooling Methods 0.000 abstract description 2
- 238000007711 solidification Methods 0.000 abstract description 2
- 230000008023 solidification Effects 0.000 abstract description 2
- 230000006872 improvement Effects 0.000 description 9
- 238000000465 moulding Methods 0.000 description 6
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- 239000007924 injection Substances 0.000 description 2
- 238000007493 shaping process Methods 0.000 description 2
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- 230000002512 anti-withdrawal effect Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
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Abstract
The utility model discloses a demoulding mechanism of an engine bent pipe, which comprises an upper mounting plate and a lower mounting plate, wherein an upper template and a lower template are respectively arranged at corresponding positions between the upper mounting plate and the lower mounting plate, an upper die core and a lower die core are respectively arranged at corresponding positions between the upper template and the lower template, the upper die core and the lower die core are combined to form a die cavity, the lower template is provided with a movable first core-pulling mechanism and a rotatable second core-pulling mechanism which is abutted to the front end of the first core-pulling mechanism, the second core-pulling mechanism is provided with a driving device capable of driving the second core-pulling mechanism to rotate, one side of the second core-pulling mechanism is provided with a stop mechanism with a locking function, and the upper die core is provided with a stop block for preventing the second core-pulling mechanism from reversing. The utility model has the advantages that in the forming process, the reverse phenomenon of the second core pulling mechanism is prevented by the design of the stop mechanism and the stop block, the quality of the formed product is ensured, and after cooling and solidification, the demoulding of the product is realized by the driving device.
Description
Technical Field
The utility model relates to the technical field of injection molds, in particular to a demolding mechanism for an engine bent pipe.
Background
The engine is a core part of an automobile, so that the performance of the automobile is completely dependent on the performance of the engine, as shown in fig. 1, a structural schematic diagram of an engine bent pipe is shown, the whole engine bent pipe is in a curved arc structure, and a through hole in the bent pipe is correspondingly in an arc structure, if a general traditional core pulling mechanism is adopted, successful demolding of the through hole cannot be realized; when the product is injection molded, larger pressure is generated in the cavity, so that the core pulling mechanism generates a reversing phenomenon, the product generates flash, the product quality is influenced, and the problems are solved properly.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a demoulding mechanism of an engine bent pipe, so as to solve the problem that the demoulding cannot be realized by a general traditional core pulling mechanism, and prevent the core pulling mechanism from generating a reversing phenomenon by utilizing the arrangement of a stopping mechanism and a stopping block, thereby ensuring the quality of products.
The technical scheme adopted for solving the technical problems is as follows: the utility model provides a demoulding mechanism of engine return bend, includes mounting panel, lower mounting panel, the mounting panel with the relevant position between the mounting panel down is provided with cope match-plate pattern and lower bolster respectively, the cope match-plate pattern with the relevant position between the lower bolster is provided with mould benevolence and lower mould benevolence respectively, last mould benevolence constitute the die cavity after combining with lower mould benevolence, the lower bolster be provided with mobilizable first loose core mechanism and with the front end looks butt and rotatable second loose core mechanism of first loose core mechanism, all have the clearance between first loose core mechanism, second loose core mechanism and the die cavity, the clearance form the cavity of shaping product promptly, second loose core mechanism is provided with and drives its pivoted drive arrangement, is located one side of second loose core mechanism sets up the stopping mechanism that has the locking function, last mould benevolence set up and have the stopping piece that prevents that second loose core mechanism is backed up.
By adopting the structure, the first core-pulling mechanism, the second core-pulling mechanism and the die cavity form a gap, so that a cavity for molding a product is formed, the purpose of molding is achieved, the second core-pulling mechanism is prevented from reversing in the molding process by utilizing the design of the retaining mechanism and the retaining block, the quality of the product is ensured, and after the product is cooled and solidified, the second core-pulling mechanism is pulled out by the driving device to realize smooth demolding, so that the molded product is obtained.
As a further improvement of the utility model, the second core pulling mechanism comprises a support column, a pressing plate and a rotary core pulling and pulling rod positioned between the support column and the pressing plate, wherein the support column is fixedly connected with the pressing plate, the support column is fixedly connected to the lower template, and the rotary core pulling is rotatably arranged between the support column and the pressing plate and drives the rotary core pulling to rotate through the pulling rod. The second core-pulling mechanism is formed by assembling the support column, the pressing plate, the rotary core-pulling mechanism and the pull rod, which is beneficial to processing and assembling of various accessories and helps the second core-pulling mechanism to act correspondingly.
As a further improvement of the utility model, the rotary core pulling device is connected with the pull rod through the rolling gear, the rotary core pulling device is of an arc-shaped structure, a first concave tooth is arranged on the outer side of the arc-shaped structure, the pull rod is of a linear structure, a second concave tooth is arranged on one side of the linear structure, and the rolling gear is provided with convex teeth meshed with the first concave tooth and the second concave tooth. The rotary core pulling and the pull rod are successfully connected through the arrangement of the rolling gear, so that the rotary core pulling can smoothly realize rotary motion under the drive of the pull rod.
As a further improvement of the utility model, the rolling gear is rotatably arranged on the supporting column, the driving device comprises a first cylinder and a die leg, the first cylinder is fixedly connected with the die leg, a telescopic rod positioned at the front end of the first cylinder is fixedly connected with the pull rod, and the die leg is fixedly connected with the lower die plate. The pull rod can realize back and forth movement by means of the pulling force of the first air cylinder, so that the rotary core pulling can realize reciprocating rotary movement, and the demolding step of the mold is completed.
As a further improvement of the utility model, the rotary core pulling device is provided with a countersunk groove in a shape of a reverse pyramid, and a stop block positioned in the upper die core is inserted into the countersunk groove. The locking effect of the retaining block can be well achieved by inserting the retaining block into the sinking groove.
As a further improvement of the utility model, the retaining mechanism comprises a locking block, a sliding block and a push rod capable of pushing the locking block and the sliding block to move, wherein the locking block is fixedly connected with the sliding block, the front end of the locking block is provided with a slot, and the rotary core pulling mechanism is provided with an inserting block which is inserted into the slot. The sliding block and the locking block can be pushed forward under the drive of the push rod, and the slot and the inserting block are combined, so that the backstop function is realized.
As a further improvement of the utility model, the sliding block is provided with an inclined perforation, the push rod is connected with the inclined perforation in a sliding fit manner, and the push rod is fixedly connected with the upper template through the limiting block. Through sliding fit connection between oblique perforation and the push rod, when the push rod reciprocates, drive sliding block and cavity realization combination or separation.
As a further improvement of the utility model, the first core pulling mechanism comprises a drawing block, a middle connecting piece and a second cylinder capable of dragging the middle connecting piece to move, wherein the drawing block is fixedly connected with the middle connecting piece, and the middle connecting piece is in sliding connection with the lower template through an extension piece. The structure is reasonable in design, and the pulling block and the middle connecting piece are driven to move forwards or backwards under the pushing of the second air cylinder, so that the pulling block can be successfully demoulded.
As a further improvement of the utility model, the second cylinder is provided with a travel switch capable of controlling the moving distance thereof. Through travel switch's setting to guarantee that the telescopic rod of second cylinder front end can move in certain distance.
As a further improvement of the utility model, the lower die plate is provided with a thimble penetrating through the lower die plate, and the thimble is provided with a top plate capable of pushing the thimble to move. The ejector pin is pushed upwards by the top plate, so that a molded product is ejected out of the cavity, and demolding is realized.
The utility model has the advantages that the structure is reasonable, the demolding is effective, the cavity for molding the product is formed by utilizing the clearance between the first core pulling mechanism, the second core pulling mechanism and the mold cavity, the smooth molding of the product is ensured, the pressure in the cavity can be increased in the molding process, thereby the second core pulling mechanism is reversed, the second core pulling mechanism is prevented from reversing through the design of the retaining mechanism and the retaining block, the quality of the molded product is ensured, and the demolding of the product is realized through the driving device after cooling and solidification.
Drawings
FIG. 1 is an exploded view of the present utility model;
FIG. 2 is a schematic diagram of the structure of the upper mold core;
FIG. 3 is an exploded view of the second core-pulling mechanism;
FIG. 4 is a schematic diagram of a rotary core pulling structure;
FIG. 5 is a schematic structural view of the retracting mechanism;
fig. 6 is an exploded view of the first core pulling mechanism.
The reference numerals in the figures illustrate:
1. an upper mounting plate; 2. an upper template; 3. an upper die core; 4. a second core pulling mechanism; 5. a lower die core; 6. a lower template; 7. a first core-pulling mechanism; 8. a stopping mechanism; 9. a thimble; 10. a top plate; 11. a lower mounting plate;
31. a stop block; 41. a driving device; 42. a pressing plate; 43. a rolling gear; 44. a support column; 45. rotating core pulling; 46. a pull rod; 71. drawing blocks; 72. a middle connector; 73. a second cylinder; 74. an extension member; 75. a travel switch; 81. a locking piece; 82. a sliding block; 83. a push rod; 84. defining a block;
411. a first cylinder; 412. a mold foot; 431. convex teeth; 451. a first concave tooth; 452. sinking grooves; 453. inserting blocks; 461. the second concave teeth; 811. a slot; 821. and (5) obliquely perforating.
Description of the embodiments
The present utility model will be described in further detail with reference to the drawings and examples, in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
Referring to fig. 1 to 6, there is shown: the utility model provides a demoulding mechanism of engine return bend, including last mounting panel 1, lower mounting panel 11, the relevant position between last mounting panel 1 and the lower mounting panel 11 is provided with cope match-plate pattern 2 and lower bolster 6 respectively, the relevant position between cope match-plate pattern 2 and the lower bolster 6 is provided with mould benevolence 3 and lower mould benevolence 5 respectively, it constitutes the die cavity to go up mould benevolence 3 and lower mould benevolence 5 after combining, lower bolster 6 is provided with mobilizable first mechanism 7 of loosing core, and with first mechanism 7's front end looks butt and rotatable second mechanism 4 of loosing core, all have the clearance between first mechanism 7 of loosing core, second mechanism 4 of loosing core and the die cavity, the clearance is the cavity that forms the shaping product promptly, second mechanism 4 of loosing core is provided with and can drive its pivoted drive arrangement 41, one side that is located second mechanism 4 of loosing core sets up the stopping piece 31 that has the locking function, go up mould benevolence 3 sets up and has the stopping piece 31 that prevents second mechanism 4 of loosing core.
In this embodiment, the upper mounting plate 1, the lower mounting plate 11, the upper die plate 2, the lower die plate 6, the upper die core 3 and the lower die core 5 are all common accessories in the mold, and are well known to those skilled in the art, and need not be repeated here.
Furthermore, in the present embodiment, the novelty lies in that the movable first core-pulling mechanism 7 and the rotatable second core-pulling mechanism 4 are adopted, the front end of the first core-pulling mechanism 7 is abutted against the front end of the second core-pulling mechanism 4, a gap is formed between the front end of the first core-pulling mechanism 7 and the mold cavity, a product is formed, the dual protection effect of the retaining mechanism 8 and the retaining block 31 is utilized to prevent the second core-pulling mechanism 4 from backing up, the product quality is ensured, and finally the driving device 41 can be utilized, so that the product can be smoothly demoulded.
The second core-pulling mechanism 4 comprises a support column 44, a pressing plate 42, a rotary core-pulling 45 and a pull rod 46, wherein the rotary core-pulling 45 and the pull rod 46 are positioned between the support column 44 and the pressing plate 42, the support column 44 is fixedly connected with the pressing plate 42, the support column 44 is fixedly connected to the lower template 6, and the rotary core-pulling 45 is rotatably arranged between the support column 44 and the pressing plate 42 and drives the rotary core-pulling 45 to rotate through the pull rod 46.
Further, in the above structure, the support column 44, the pressing plate 42, the rotary core-pulling 45 and the pull rod 46 together form the second core-pulling mechanism 4, and the parts are looped and fastened, so that the structure is compact, and the rotary core-pulling 45 can be smoothly demoulded.
The rotary core pulling 45 is connected with the pull rod 46 through the rolling gear 43, the rotary core pulling 45 is of an arc-shaped structure, a first concave tooth 451 is arranged on the outer side of the arc-shaped structure, the pull rod 46 is of a linear structure, a second concave tooth 461 is arranged on one side of the linear structure, and the rolling gear 43 is provided with a convex tooth 431 meshed with the first concave tooth 451 and the second concave tooth 461.
Further, in this embodiment, the first concave teeth 451 and the second concave teeth 461 are respectively matched with the convex teeth 431, so as to ensure that the rotary core 45 and the pull rod 46 act cooperatively and the movement is sensitive.
The rolling gear 43 is rotatably disposed on the support column 44, the driving device 41 includes a first cylinder 411 and a die leg 412, the first cylinder 411 is fixedly connected with the die leg 412, a telescopic rod located at the front end of the first cylinder 411 is fixedly connected with the pull rod 46, and the die leg 412 is fixedly connected with the lower die plate 6.
Further, in the above structure, the first cylinder 411 drives the telescopic rod to move back and forth, and gives a certain driving force to the pull rod 46, so as to realize the corresponding demolding action of the mold.
The rotary core pulling 45 is provided with a countersunk groove 452 in a reverse pyramid shape, and the retaining block 31 positioned in the upper die core 3 is inserted into the countersunk groove 452. The inverted pyramid-shaped countersink 452 is matched with the stop block 31, so that the structure is ensured to have enough strength, and firm insertion is ensured.
The retaining mechanism 8 comprises a locking block 81, a sliding block 82 and a push rod 83 capable of pushing the locking block 81 and the sliding block 82 to move, the locking block 81 is fixedly connected with the sliding block 82, a slot 811 is formed in the front end of the locking block 81, and an inserting block 453 which is inserted into the slot 811 is arranged on the rotary core pulling 45.
Further, in the above structure, the slot 811 of the lock block 81 is plugged with the plug block 453 of the rotary core pulling 45, so that the anti-withdrawal effect can be better realized, and the quality of the molded product is ensured.
The sliding block 82 is provided with an inclined through hole 821, the push rod 83 is connected with the inclined through hole 821 in a sliding fit manner, and the push rod 83 is fixedly connected with the upper die plate 2 through a limiting block 84.
Further, in the above structure, the sliding block 82 is ensured to move well by the cooperation of the push rod 83 and the inclined through hole 821.
The first core pulling mechanism 7 comprises a drawing block 71, a middle connecting piece 72 and a second air cylinder 73 capable of dragging the middle connecting piece 72 to move, wherein the drawing block 71 is fixedly connected with the middle connecting piece 72, and the middle connecting piece 72 is slidably connected with the lower die plate 6 through an extension piece 74.
Further, the first core pulling mechanism 7 composed of the pulling block 71, the middle connecting piece 72 and the second air cylinder 73 is beneficial to the assembly of the first core pulling mechanism 7, and when a certain fitting is damaged in movement, only the damaged fitting is needed, so that the cost is saved.
The second cylinder 73 is provided with a travel switch 75 that can control the moving distance thereof.
Further, by setting the travel switch 75, the movement of the pump block 71 is protected within a set range, and the stable operation of the pump block 71 is effectively ensured.
The lower die plate 6 is provided with a thimble 9 penetrating through the lower die plate, and the thimble 9 is provided with a top plate 10 capable of pushing the thimble to move.
Further, in the structure, the ejector pins 9 can eject the formed product out of the cavity under the pushing of the top plate 10, so that the product can be smoothly demoulded.
The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.
Claims (10)
1. The utility model provides a demoulding mechanism of engine return bend, includes mounting panel (1), mounting panel (11) down, mounting panel (1) with corresponding position between mounting panel (11) down is provided with cope match-plate pattern (2) and lower bolster (6) respectively, cope match-plate pattern (2) with corresponding position between lower bolster (6) is provided with mould benevolence (3) and lower mould benevolence (5) respectively, last mould benevolence (3) and lower mould benevolence (5) make up and constitute the die cavity after constituting, characterized in that lower bolster (6) be provided with mobilizable first core-pulling mechanism (7) and with front end looks butt and rotatable second core-pulling mechanism (4) of first core-pulling mechanism (7), second core-pulling mechanism (4) and die cavity between all have the clearance, the clearance form the cavity of molded product promptly, second core-pulling mechanism (4) be provided with can drive its pivoted drive arrangement (41), be located one side of second core-pulling mechanism (4) sets up and has locking mechanism (8), second core-pulling mechanism (4) have the setting of locking mechanism (31).
2. The demoulding mechanism of the engine bent pipe according to claim 1, wherein the second core pulling mechanism (4) comprises a support column (44), a pressing plate (42), and a rotary core pulling (45) and a pull rod (46) which are positioned between the support column (44) and the pressing plate (42), the support column (44) is fixedly connected with the pressing plate (42), the support column (44) is fixedly connected to the lower mould plate (6), and the rotary core pulling (45) is rotatably arranged between the support column (44) and the pressing plate (42) and drives the rotary core pulling (45) to rotate through the pull rod (46).
3. The demoulding mechanism of the engine bent pipe according to claim 2, wherein the rotary core pulling mechanism (45) is connected with the pull rod (46) through a rolling gear (43), the rotary core pulling mechanism (45) is of an arc-shaped structure, a first concave tooth (451) is arranged on the outer side of the arc-shaped structure, the pull rod (46) is of a linear structure, a second concave tooth (461) is arranged on one side of the linear structure, and the rolling gear (43) is provided with a convex tooth (431) meshed with the first concave tooth (451) and the second concave tooth (461).
4. A demoulding mechanism for an engine elbow according to claim 3, characterized in that the rolling gear (43) is rotatably arranged on the supporting column (44), the driving device (41) comprises a first cylinder (411) and a mould leg (412), the first cylinder (411) is fixedly connected with the mould leg (412), a telescopic rod positioned at the front end of the first cylinder (411) is fixedly connected with the pull rod (46), and the mould leg (412) is fixedly connected with the lower mould plate (6).
5. The demoulding mechanism of the engine bent pipe according to claim 2, wherein the rotary core pulling device (45) is provided with a countersunk groove (452) in a shape of a reverse pyramid, and the retaining block (31) positioned in the upper die core (3) is spliced with the countersunk groove (452).
6. The demoulding mechanism of the engine bent pipe according to claim 2, wherein the retaining mechanism (8) comprises a locking piece (81), a sliding piece (82) and a push rod (83) capable of pushing the locking piece (81) and the sliding piece (82) to move, the locking piece (81) is fixedly connected with the sliding piece (82), a slot (811) is formed in the front end of the locking piece (81), and an inserting piece (453) which is inserted into the slot (811) is arranged on the rotary core pulling piece (45).
7. The demoulding mechanism of the engine bent pipe, as set forth in claim 6, characterized in that the sliding block (82) is provided with an inclined through hole (821), the push rod (83) is connected with the inclined through hole (821) in a sliding fit manner, and the push rod (83) is fixedly connected with the upper template (2) through a limiting block (84).
8. The demoulding mechanism of the engine bent pipe according to claim 1, wherein the first core pulling mechanism (7) comprises a drawing block (71), a middle connecting piece (72) and a second cylinder (73) capable of dragging the middle connecting piece (72) to move, the drawing block (71) is fixedly connected with the middle connecting piece (72), and the middle connecting piece (72) is slidably connected with the lower template (6) through an extension piece (74).
9. A demoulding mechanism for engine elbows according to claim 8, characterized in that the second cylinder (73) is provided with a travel switch (75) for controlling the distance of movement.
10. A demoulding mechanism for engine elbows according to claim 1, characterized in that said lower mould plate (6) is provided with a thimble (9) penetrating itself, said thimble (9) being provided with a top plate (10) movable by pushing it.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909697.9U CN219686435U (en) | 2023-04-20 | 2023-04-20 | Demoulding mechanism of engine elbow |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320909697.9U CN219686435U (en) | 2023-04-20 | 2023-04-20 | Demoulding mechanism of engine elbow |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219686435U true CN219686435U (en) | 2023-09-15 |
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ID=87971023
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320909697.9U Active CN219686435U (en) | 2023-04-20 | 2023-04-20 | Demoulding mechanism of engine elbow |
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| Country | Link |
|---|---|
| CN (1) | CN219686435U (en) |
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2023
- 2023-04-20 CN CN202320909697.9U patent/CN219686435U/en active Active
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