CN221518647U - High-precision arc core pulling mechanism - Google Patents
High-precision arc core pulling mechanism Download PDFInfo
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- CN221518647U CN221518647U CN202323488614.2U CN202323488614U CN221518647U CN 221518647 U CN221518647 U CN 221518647U CN 202323488614 U CN202323488614 U CN 202323488614U CN 221518647 U CN221518647 U CN 221518647U
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- arc core
- core pulling
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- 238000003825 pressing Methods 0.000 claims description 13
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- 230000033001 locomotion Effects 0.000 description 5
- 238000000034 method Methods 0.000 description 3
- 238000000465 moulding Methods 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 238000009413 insulation Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
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- 230000007797 corrosion Effects 0.000 description 1
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Abstract
The utility model provides a high accuracy circular arc mechanism of loosing core, includes hydro-cylinder, first horizontal slider, circular arc loose core subassembly and second horizontal slider, wherein: the output end of the oil cylinder is provided with a pull rod; the circular arc core-pulling assembly comprises a circular arc core-pulling sliding block, a guide block and a swinging rod, wherein the upper end of the circular arc core-pulling sliding block is provided with a rotating shaft and a circular arc core, the cambered surface axis of the circular arc core-pulling sliding block coincides with the axis of the rotating shaft, two sides of the circular arc core-pulling sliding block are provided with arc sliding grooves, the circle center of each arc sliding groove is positioned on the axis of the rotating shaft, the guide block is provided with a guide lug, the guide lug is in sliding connection with each arc sliding groove, and the right side of the circular arc core-pulling sliding block is provided with a limit groove; the second horizontal sliding block is provided with a horizontal shovel base and an inclined guide hole, the horizontal shovel base can be inserted into the limit groove, and the inclined guide hole is movably connected with the inclined guide pillar.
Description
Technical Field
The utility model relates to the technical field of mold forming, in particular to a high-precision circular arc core pulling mechanism.
Background
The plastic products are used in the manufacture of aviation, aerospace and automobile and household appliances because of the characteristics of light weight, insulation, corrosion resistance, heat insulation and noise reduction, while the injection mold is used as a tool for producing plastic products, has the characteristics of endowing the plastic products with complete structure and precise size, and is widely used in mass production of plastic products with complex shapes.
At present, due to the wide use of plastic products, the structure of the plastic products is more complicated, arc-shaped back-off mechanisms exist on some products, the traditional demolding mechanism cannot be used for demolding due to the fact that the arc surfaces are longer, and a strong demolding mode cannot be used because the requirements on the precision and the surface quality of molded arc surfaces are higher.
Therefore, aiming at the defects in the prior art, the utility model designs a high-precision arc core pulling mechanism to solve the problems.
It should be noted that the foregoing description of the background art is only for the purpose of providing a clear and complete description of the technical solution of the present utility model and is for the convenience of understanding by those skilled in the art, and is not to be construed as merely illustrative of the background art of the present utility model.
Disclosure of utility model
In order to overcome the defects in the prior art, the utility model aims to provide a high-precision arc core pulling mechanism, which ensures the forming and core pulling precision of an arc back-off structure by designing a core pulling assembly with a motion track matched with the arc back-off of a product, and avoids damage to the arc back-off surface caused by the mechanism in the core pulling process.
To achieve the above and other related objects, the present utility model provides the following technical solutions: the utility model provides a high accuracy circular arc mechanism of loosing core, includes hydro-cylinder, first horizontal slider, circular arc loose core subassembly and second horizontal slider, wherein:
the oil cylinder is fixed on the rear template, and the output end of the oil cylinder is provided with a pull rod.
The first horizontal sliding block is arranged on the left side of the molded product, the front end of the first horizontal sliding block is in transmission connection with the pull rod, first pressing strips used for guiding are arranged on two sides of the first horizontal sliding block, and the first pressing strips are fixed on the rear template.
The arc core pulling assembly is arranged on the lower side of a formed product and structurally comprises an arc core pulling sliding block, a guide block and a swinging rod, a rotating shaft and an arc core for arc back-off of the formed product are arranged at the upper end of the arc core pulling sliding block, the rotating shaft is fixed on a rear template, the axis center of the arc core is coincident with the axis center of the rotating shaft, arc sliding grooves are formed in two sides of the arc core pulling sliding block, the circle center of each arc sliding groove is located on the axis center of the rotating shaft, the guide block is fixed on templates on two sides of the arc core pulling sliding block, a guide lug is arranged on one side, close to the arc core pulling sliding block, of the guide lug and is in sliding connection with the arc sliding groove, a limit groove is formed in the right side of the arc core pulling sliding block, and two ends of the swinging rod are hinged with the arc core pulling sliding block and the first horizontal sliding block respectively.
The second horizontal sliding block is arranged on the right side of the molded product, a horizontal shovel base and an inclined guide hole are arranged on the second horizontal sliding block, the horizontal shovel base can be inserted into the limit groove, an inclined guide pillar is movably connected in the inclined guide hole, the inclined guide pillar is arranged on the front mold, second pressing strips for guiding are arranged on two sides of the second horizontal sliding block, and the second pressing strips are fixed on the rear mold plate.
The preferable technical scheme is as follows: the first horizontal sliding block and the second horizontal sliding block are respectively provided with a first horizontal core pulling device and a second horizontal core pulling device which are used for forming the side face inverted buckle, and the same driving device is used for horizontally pulling the cores when arc core pulling is carried out, so that space occupation is reduced.
The preferable technical scheme is as follows: the limit sensor used for feeding back the position of the first horizontal sliding block to the machine is arranged on the side edge of the first horizontal sliding block, the oil cylinder is controlled through signals fed back by the sensor, and the operation efficiency of the oil cylinder is improved.
The preferable technical scheme is as follows: the two ends of the swing rod are respectively hinged with the arc core-pulling slide block and the first horizontal slide block through the rotary pin, and the rotary pin is convenient to assemble and disassemble and convenient to install and maintain the assembly.
The preferable technical scheme is as follows: the pull rod right side is equipped with the buckle, and first horizontal slider front end is equipped with the draw-in groove, and the buckle setting is in the draw-in groove rather than the joint, conveniently carries out the dismouting.
Due to the application of the technical scheme, the high-precision circular-arc core-pulling mechanism provided by the utility model adopts the core-pulling mechanism matched with the circular-arc back-off of the product, and the movement track of the circular-arc core-pulling assembly is ensured to always coincide with the circular-arc structure of the product through the limiting guide part, so that the molding and core-pulling precision is ensured.
Drawings
FIG. 1 is a schematic structural view of a high-precision circular arc core pulling mechanism of the present utility model;
FIG. 2 is a longitudinal cross-sectional view of a molded product of the present utility model;
FIG. 3 is a schematic structural view of an arc core-pulling slide block in the utility model;
FIG. 4 is a schematic view of the structure of the guide block according to the present utility model;
Fig. 5 is a schematic structural view of the swing rod in the present utility model.
In the drawings, 1, an oil cylinder; 11. a pull rod; 11a, a buckle; 2. a first horizontal slider; 21. a first batten; 22. a first horizontal core pulling; 23. a limit sensor; 24. a clamping groove; 3. arc core pulling assembly; 31. arc core-pulling sliding blocks; 31a, a rotation shaft; 31b, a circular arc core; 31c, an arc chute; 31d, a limit groove; 32. a guide block; 32a, guide lugs; 33. swing rod; 33a, a rotating pin; 4. a second horizontal slider; 41. a horizontal shovel base; 42. oblique guide holes; 43. oblique guide posts; 44. a second pressing bar; 45. a second horizontal core pulling; 5. molding the product; 51. and (5) reversing the arc.
Detailed Description
Further advantages and effects of the present utility model will become apparent to those skilled in the art from the disclosure of the present utility model, which is described by the following specific examples.
In the description of the present utility model, it should be noted that, the azimuth or positional relationship indicated by the terms "center", "up", "down", "left", "right", "vertical", "horizontal", "inside", "outside", etc. are azimuth or positional relationships based on those shown in the drawings, or azimuth or positional relationships in which the inventive product is conventionally put in use, are merely for convenience of describing the present utility model and for simplifying the description, and are not indicative or implying that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," "third," and the like are used merely to distinguish between descriptions and are not to be construed as indicating or implying relative importance. The terms "horizontal," "vertical," "overhang" and the like do not denote that the component is required to be absolutely horizontal or overhang, but may be slightly inclined. As "horizontal" merely means that its direction is more horizontal than "vertical", and does not mean that the structure must be perfectly horizontal, but may be slightly inclined.
As shown in fig. 1 and 2, there is an arc back-off 51 on a molded product 5, and molding accuracy cannot be ensured by using a conventional demolding method, and the high-accuracy arc core-pulling mechanism provided by the utility model comprises an oil cylinder 1, a first horizontal slide block 2, an arc core-pulling assembly 3 and a second horizontal slide block 4, and the main components of the utility model are described in detail below.
As shown in fig. 1, an oil cylinder 1 is fixed on a rear template, a pull rod 11 is arranged at the output end of the oil cylinder 1, and a buckle 11a is arranged on the right side of the pull rod 11.
As shown in fig. 1, the first horizontal sliding block 2 is disposed on the left side of the molded product 5, the front end of the first horizontal sliding block 2 is provided with a clamping groove 24, a buckle 11a is disposed in the clamping groove 24 and is clamped with the clamping groove, two sides of the first horizontal sliding block 2 are provided with first pressing strips 21 for guiding, the first pressing strips 21 are fixed on a rear template, and the first horizontal sliding block 2 is provided with a first horizontal core pulling 22 for forming side back-off and a limit sensor 23 for feeding back the position of the first horizontal sliding block 2 to a machine.
As shown in fig. 1, fig. 3, fig. 4 and fig. 5, the circular arc core pulling assembly 3 is arranged at the lower side of the molded product 5, the structure of the circular arc core pulling assembly comprises a circular arc core pulling slide block 31, a guide block 32 and a swing rod 33, a rotating shaft 31a and a circular arc core 31b for arc back-buckling of the molded product are arranged at the upper end of the circular arc core pulling slide block 31, the rotating shaft 31a is fixed on a rear template, the cambered surface axle center of the circular arc core 31b coincides with the axle center of the rotating shaft 31a, arc sliding grooves 31c are arranged at two sides of the circular arc core pulling slide block 31, the circle center of the arc sliding grooves 31c is positioned on the axle center of the rotating shaft 31a, the guide block 32 is fixed on templates at two sides of the circular arc core pulling slide block 31, the guide block 32 is provided with a guide lug 32a close to one side of the circular arc core pulling slide block 31, the guide lug 32a is in sliding connection with the arc sliding grooves 31c, and two ends of the swing rod 33 are respectively hinged with the circular arc core pulling slide block 31 and the first horizontal slide block 2 through a rotating pin 33 a.
As shown in fig. 1 and 3, the second horizontal sliding block 4 is arranged on the right side of the molded product 5, a horizontal shovel base 41 and an inclined guide hole 42 are arranged on the second horizontal sliding block, the horizontal shovel base 41 can be inserted into the limit groove 31d, an inclined guide pillar 43 is movably connected in the inclined guide hole 42, the inclined guide pillar 43 is arranged on the front mold, second pressing strips 44 for guiding are arranged on two sides of the second horizontal sliding block 4, the second pressing strips 44 are fixed on the rear mold plate, and a second horizontal core pulling 45 for reversely buckling the molded side face is further arranged on the second horizontal sliding block 4.
Referring to fig. 1, fig. 2, fig. 3, fig. 4 and fig. 5, when the mold is opened, the inclined guide post 43 located in the front mold starts to withdraw from the inclined guide hole 42, drives the horizontal shovel base 41 and the second horizontal core-pulling 45 on the second horizontal slide 4 to move away from the molded product 5 until the horizontal shovel base 41 is completely separated from the molded product 5, at this time, the horizontal shovel base 41 completely withdraws from the limit groove 31d on the circular arc core-pulling slide 31, contacts with the limit of the circular arc core-pulling slide 31 to perform rotary motion, simultaneously the oil cylinder 1 pulls the first horizontal slide 2 to the direction away from the molded product 5 through the pull rod 11, so that the first horizontal core-pulling 22 on the first horizontal slide 2 gradually leaves from the molded product 5 until the inclined guide hole is completely separated, during the process, the two ends of the swing rod 33 hinged with the circular arc core-pulling slide 31 and the first horizontal slide 2 through the rotary pin 33a also start to move, the circular arc core-pulling slide 31 is driven by the swing rod 33 to rotate around the rotary shaft 31a, the circular arc core-pulling slide 31b performs core-pulling motion along the arc surface of the circular arc core-pulling slide 31, and simultaneously the guide lugs 32a on two sides of the guide blocks are matched with the arc slide 31c of the circular arc chute 31.
In summary, the high-precision circular arc core pulling mechanism disclosed by the utility model has the advantages of stable core pulling movement and improvement of the precision of the circular arc inverted buckle forming quality of the product, and meanwhile, the same driving assembly can be used with the conventional horizontal core pulling, so that the space occupation is greatly reduced.
The present utility model provides a single embodiment which is merely illustrative of the principles of the present utility model and its effectiveness, and not in limitation thereof. Modifications and variations may be made to the above-described embodiments by those skilled in the art without departing from the spirit and scope of the utility model. Accordingly, it is intended that all equivalent modifications and variations which can be accomplished by persons skilled in the art without departing from the spirit and technical spirit of the present utility model shall be covered by the appended claims.
Claims (5)
1. A high-precision arc core pulling mechanism is characterized in that: the mechanism comprises an oil cylinder (1), a first horizontal sliding block (2), an arc core-pulling assembly (3) and a second horizontal sliding block (4), wherein:
The oil cylinder (1) is fixed on the rear template, and a pull rod (11) is arranged at the output end of the oil cylinder (1);
The first horizontal sliding block (2) is arranged on the left side of the molded product (5), the front end of the first horizontal sliding block is in transmission connection with the pull rod (11), first pressing strips (21) for guiding are arranged on two sides of the first horizontal sliding block (2), and the first pressing strips (21) are fixed on the rear template;
The arc core pulling assembly (3) is arranged at the lower side of a molded product (5), the structure of the arc core pulling assembly comprises an arc core pulling sliding block (31), a guide block (32) and a swing rod (33), a rotating shaft (31 a) and an arc core (31 b) for arc back-fastening of the molded product are arranged at the upper end of the arc core pulling sliding block (31), the rotating shaft (31 a) is fixed on a rear template, the arc axis of the arc core (31 b) coincides with the axis of the rotating shaft (31 a), arc sliding grooves (31 c) are formed in two sides of the arc core pulling sliding block (31), the circle center of the arc sliding groove (31 c) is located on the axis of the rotating shaft (31 a), the guide block (32) is fixed on the templates on two sides of the arc core pulling sliding block (31), the guide block (32) is close to one side of the arc core pulling sliding block (31), the guide protrusion (32 a) is in sliding connection with the arc sliding groove (31 c), and a limit groove (31 d) is formed in the right side of the arc core pulling sliding block (31), and two ends of the swing rod (33) are respectively hinged with the arc sliding block (31) and the first arc sliding block (31) horizontally (2).
The second horizontal sliding block (4) is arranged on the right side of a formed product (5), a horizontal shovel base (41) and an inclined guide hole (42) are formed in the second horizontal sliding block, the horizontal shovel base (41) can be inserted into a limit groove (31 d), an inclined guide pillar (43) is movably connected in the inclined guide hole (42), the inclined guide pillar (43) is arranged on a front die, second pressing strips (44) used for guiding are arranged on two sides of the second horizontal sliding block (4), and the second pressing strips (44) are fixed on a rear die plate.
2. The high-precision circular arc core pulling mechanism according to claim 1, wherein: the first horizontal sliding block (2) and the second horizontal sliding block (4) are respectively provided with a first horizontal core pulling (22) and a second horizontal core pulling (45) for forming the side face inverted buckle.
3. The high-precision circular arc core pulling mechanism according to claim 1, wherein: and a limit sensor (23) for feeding back the position of the first horizontal sliding block (2) to the machine is arranged on the side edge of the first horizontal sliding block (2).
4. The high-precision circular arc core pulling mechanism according to claim 1, wherein: the two ends of the swing rod (33) are hinged with the circular-arc core-pulling sliding block (31) and the first horizontal sliding block (2) through a rotating pin (33 a) respectively.
5. The high-precision circular arc core pulling mechanism according to claim 1, wherein: the right side of the pull rod (11) is provided with a buckle (11 a), the front end of the first horizontal sliding block (2) is provided with a clamping groove (24), and the buckle (11 a) is arranged in the clamping groove (24) and is clamped with the clamping groove.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323488614.2U CN221518647U (en) | 2023-12-20 | 2023-12-20 | High-precision arc core pulling mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323488614.2U CN221518647U (en) | 2023-12-20 | 2023-12-20 | High-precision arc core pulling mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221518647U true CN221518647U (en) | 2024-08-13 |
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ID=92206198
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323488614.2U Active CN221518647U (en) | 2023-12-20 | 2023-12-20 | High-precision arc core pulling mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221518647U (en) |
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2023
- 2023-12-20 CN CN202323488614.2U patent/CN221518647U/en active Active
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