CN118238491A - Structure and processing method of robot integrated head shell - Google Patents
Structure and processing method of robot integrated head shell Download PDFInfo
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- CN118238491A CN118238491A CN202410236433.0A CN202410236433A CN118238491A CN 118238491 A CN118238491 A CN 118238491A CN 202410236433 A CN202410236433 A CN 202410236433A CN 118238491 A CN118238491 A CN 118238491A
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- shell
- head
- casing
- mold cavity
- robot
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- 238000003672 processing method Methods 0.000 title abstract description 9
- 239000000463 material Substances 0.000 claims abstract description 25
- 238000001746 injection moulding Methods 0.000 claims abstract description 24
- 238000002347 injection Methods 0.000 claims abstract description 7
- 239000007924 injection Substances 0.000 claims abstract description 7
- 238000001816 cooling Methods 0.000 claims description 14
- 239000002131 composite material Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 8
- 238000000465 moulding Methods 0.000 claims description 8
- 238000002844 melting Methods 0.000 claims description 7
- 230000008018 melting Effects 0.000 claims description 7
- 238000003754 machining Methods 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 claims description 3
- 229920000122 acrylonitrile butadiene styrene Polymers 0.000 description 4
- 238000002513 implantation Methods 0.000 description 4
- 238000002360 preparation method Methods 0.000 description 4
- 239000003365 glass fiber Substances 0.000 description 3
- 230000009467 reduction Effects 0.000 description 3
- 238000007493 shaping process Methods 0.000 description 3
- 229920006834 PC+ABS Polymers 0.000 description 2
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000007639 printing Methods 0.000 description 2
- 238000000926 separation method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
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- Injection Moulding Of Plastics Or The Like (AREA)
Abstract
The invention relates to a structure and a processing method of an integrated head shell of a robot, comprising a first shell and a second shell, wherein the first shell is fixedly sleeved outside the second shell through injection molding, a head shell cavity is arranged inside the second shell, and the inner walls of the left side and the right side of the head shell cavity are all plane surfaces and are parallel to each other. The head shell is divided into two mutually nested shells by using an injection molding method, and the two sides of the second shell are added with material thickness, so that the inner walls of the two sides form a plane convenient for demolding, and meanwhile, when the first shell outside is injection molded, the outer surface of the second shell is uniform, so that the formed thickness is uniform, and the generation of shrinkage marks is avoided.
Description
Technical Field
The invention relates to the technical field of head shell injection molding, in particular to a structure and a processing method of an integrated head shell of a robot.
Background
At present, on-vehicle mobile robot on the market, its head housing is spherical generally, if want to guarantee head housing part material thickness even, can lead to inside the existence back-off of part, after the shaping with the mould, the unable problem of taking out of head housing, unable normal production, in order to solve this problem on the market at present, usually adopt following three kinds of schemes:
① Removing the back-off inside the part, and increasing the material thickness at two sides of the part, so that a plane convenient for demoulding is formed at two sides;
② The head shell part is split into two parts from front to back or split into two parts from left to right, and the two parts are spliced and fixed. Therefore, although the problems of inverted buckle and shrinkage seal of the injection molding of the product can be solved, the split line exists between the two parts after the two parts are assembled, so that the appearance and the performances of water resistance, dust resistance, static resistance and the like of the whole product are affected.
However, the two processing and preparation methods have the following problems:
For the first processing method, the thickness of the part cannot be consistent, and after injection molding, the shrinkage of the part is inconsistent due to inconsistent thickness of the part material, so that the shrinkage mark is generated on the surface of the part, and the attractiveness of the product is affected;
For the second processing method, although the problems of back-off and shrinkage printing of the injection molding of the product can be solved, after the two parts are assembled, a separation line exists between the two parts, so that the appearance and the performances of water resistance, dust resistance, static resistance and the like of the whole product are affected.
Disclosure of Invention
The invention aims to solve the technical problems that the existing preparation method of the spherical hollow head shell of the vehicle-mounted robot is difficult to demould, the exterior of the head shell is contracted and printed or the appearance is not smooth enough, and a split line exists.
The technical scheme for solving the technical problems is as follows: the utility model provides a robot integral type head cover structure, includes first casing and second casing, first casing is established in the second casing outside through the fixed cover of moulding plastics, the inside head cover chamber that is equipped with of second casing, head cover chamber left and right sides inner wall is the plane, and is parallel to each other.
The beneficial effects of the invention are as follows: the head shell is divided into two mutually nested shells by using an injection molding method, and the two sides of the second shell are added with material thickness, so that the inner walls of the two sides form a plane convenient for demolding, and meanwhile, when the first shell outside is injection molded, the outer surface of the second shell is uniform, so that the formed thickness is uniform, and the generation of shrinkage marks is avoided.
On the basis of the technical scheme, the invention can be improved as follows.
Further, the second housing is a composite material member, and the first housing is a plastic material member.
Further, the material melting point of the second shell is higher than that of the first shell.
The machining method of the robot integrated head shell structure comprises a double-color injection molding machine, wherein a first mold cavity and a second mold cavity are arranged in the double-color injection molding machine, the first mold cavity is used for preparing a second shell, and the second mold cavity is used for preparing a first shell, and the machining method comprises the following steps:
Step one: injecting a composite material in a molten state into a first mold cavity;
step two: after pressure maintaining and cooling, opening the die to obtain a second shell;
Step three: the second shell moves to the inside of a second mold cavity, and molten plastic is injected into the second mold cavity;
step four: after pressure maintaining and cooling, opening a die to obtain a product shell;
step five: demolding the product shell, and repeating the first to fourth steps.
Further, the implantation time of the first step is 6s.
Further, the implantation time in the third step is 6s.
Further, the dwell time of the second step is 3-5s, and the cooling time is 4-6s.
Further, the dwell time of the fourth step is 4-6s, and the cooling time is 5-7s.
Drawings
FIG. 1 is a schematic plan view of an embodiment of the present invention;
fig. 2 is a schematic exploded view of a first mold cavity and a second mold cavity according to an embodiment of the present invention.
In the drawings, the list of components represented by the various numbers is as follows:
1. a first housing; 2. a second housing; 201. head shell cavity.
Detailed Description
The principles and features of the present invention are described below with reference to the drawings, the examples are illustrated for the purpose of illustrating the invention and are not to be construed as limiting the scope of the invention.
Examples
As shown in fig. 1, an integral head shell structure of a robot comprises a first shell 1 and a second shell 2, wherein the first shell 1 is fixedly sleeved outside the second shell 2 through injection molding, a head shell cavity 201 is formed in the second shell 2, and inner walls on the left side and the right side of the head shell cavity 201 are all planes and are parallel to each other.
The working principle is as follows: after the shell is prepared and molded, when demolding is needed, the shell can be directly ejected out by the ejector pins because the two sides of the head shell cavity 201 are flat surfaces, so that the demolding convenience of the device is improved, and meanwhile, the first shell 1 is molded outside the second shell 2 in an injection mode, so that the thickness of each part of the first shell 1 is consistent during molding, and shrink marks cannot be generated during molding.
According to the technical scheme, the first shell 1 can be sleeved outside the second shell 2 through injection molding, so that the thickness of each part of the first shell is uniform, the occurrence of shrinkage marks is avoided, meanwhile, the thickness of two sides of the second shell 2 is increased, the inner walls of the two sides of the second shell form a plane which is convenient for demoulding, and the demoulding efficiency of the device is improved.
Preferably, the second housing 2 is a composite material member, and the first housing 1 is a plastic material member.
Wherein, the composite material of the second shell 2 is preferably PC+ABS+15% glass fiber material.
Wherein, the plastic material of the first shell 1 is ABS plastic.
The working principle is as follows: when the second shell 2 is injection molded, a molten PC+ABS+15% glass fiber material is adopted for injection molding, the material is good in heat resistance, high in rigidity and high in strength, the integral strength and the dimensional stability of the part are guaranteed, and meanwhile, when the first shell 1 is injection molded, ABS plastic is adopted, so that the molded surface is smooth, and certain strength is guaranteed.
Above-mentioned technical scheme can be through setting up second casing 2 and first casing 1 of two different materials for the device can carry out double-shot moulding, improves injection moulding's convenience.
Preferably, the melting point of the material of the second housing 2 is higher than the melting point of the material of the first housing 2.
The working principle is as follows: since the material of the second housing 2 is a composite material, which contains a high temperature resistant glass fiber material, the melting point of the material is higher than that of the ABS material of the first housing 1, so that the subsequent two-shot molding process is facilitated.
According to the technical scheme, the second shell 2 and the first shell 1 can be prepared by setting two materials with different melting points, so that convenience in injection molding is improved.
As shown in fig. 2, the processing method of the robot integrated head shell structure comprises a double-color injection molding machine, wherein a first mold cavity and a second mold cavity are arranged in the double-color injection molding machine, the first mold cavity is used for preparing a second shell 2, and the second mold cavity is used for preparing a first shell 1, and the processing method comprises the following steps:
Step one: injecting a composite material in a molten state into a first mold cavity;
step two: after pressure maintaining and cooling, opening the die to obtain a second shell 2;
Step three: the second shell 2 moves to the inside of a second mold cavity, and molten plastic is injected into the second mold cavity;
step four: after pressure maintaining and cooling, opening a die to obtain a product shell;
step five: demolding the product shell, and repeating the first to fourth steps.
Wherein, the inside dwang that still includes the bar of bicolor injection molding machine to both ends at the dwang all set up a color core and two look cores, a color core is used for the shaping of second casing 2, and two look cores are used for the shaping of first casing 1.
Wherein the rotating plate is connected with an external rotating driving device.
The driving device comprises a servo motor and a reduction gear box, wherein a driving shaft of the servo motor is connected with the reduction gear box, and the reduction gear box is connected with the rotating plate to drive the rotating plate to rotate on the horizontal plane.
Wherein, the double-color injection molding machine also comprises two groups of a color hollow block component and a two-color hollow block component which can be mutually folded or separated, the color hollow block assemblies and the two-color hollow block assemblies are respectively arranged outside the color core and the two-color core in a one-to-one correspondence mode, and respectively form a first mold cavity and a second mold cavity with the color core and the two-color core.
Wherein, a hollow block subassembly and two hollow block subassemblies are by two hollow blocks constitution, and hollow block links to each other with outside linear drive to separate or close, and two hollow blocks are when folding, form hollow block subassembly, with the corresponding core formation die cavity of cooperation, carry out injection moulding, and two hollow blocks are when the separation, open the curtain, the deflection removal of second casing 2 and the drawing of patterns of first casing 1 of being convenient for.
The linear driving device is a pair of air cylinders, and driving shafts of the two air cylinders are respectively connected and fixed with two hollow blocks in the color hollow block assembly and the two color hollow block assembly and used for driving the two hollow blocks to be separated or folded.
The working principle is as follows: when the injection molding preparation of the product head shell is carried out, the composite material is injected into a first mold cavity, and is cooled by pressure maintaining and then is opened to form a second shell 2, and the second shell 2 is driven to deflect into the second mold cavity through a rotating mechanism in the double-color injection molding machine, after the film is recombined, the ABS plastic material is injected into the second mold cavity, and is cooled by pressure maintaining, so that a first shell 1 is formed outside the second shell 2, and after the mold is opened, the product shell is ejected out by using a thimble.
According to the technical scheme, the double-color injection molding machine can be used for respectively preparing the second shell 2 and the first shell 1, so that the preparation speed is improved, meanwhile, the demolding is convenient, and the shrinkage printing is avoided.
Preferably, the implantation time of the first step is 6s.
Preferably, the implantation time in step three is 6s.
Preferably, the dwell time of step two is 3-5s and the cooling time is 4-6s.
Preferably, the dwell time in step four is 4-6s and the cooling time is 5-7s
The working principle is as follows: after the first shell is subjected to injection molding, the pressure maintaining and cooling time is prolonged, the first shell and the second shell are connected and fixed more tightly, and the structural strength of the device is improved.
The invention can utilize stepwise pressure maintaining cooling to ensure that the first shell 1 is more stable during molding, and the second shell 2 is more tightly connected with the first shell 1 during molding.
In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present invention and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present invention.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present invention, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present invention, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present invention, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.
While embodiments of the present invention have been shown and described above, it will be understood that the above embodiments are illustrative and not to be construed as limiting the invention, and that variations, modifications, alternatives and variations may be made to the above embodiments by one of ordinary skill in the art within the scope of the invention.
Claims (8)
1. The utility model provides a robot integral type head cover structure, its characterized in that includes first casing (1) and second casing (2), first casing (1) is established in second casing (2) outside through the fixed cover of moulding plastics, second casing (2) inside is equipped with head shell chamber (201), head shell chamber (201) left and right sides inner wall is the plane, and is parallel to each other.
2. A robotic integrated head shell structure according to claim 1, wherein the second housing (2) is a composite member and the first housing (1) is a plastic member.
3. A robotic integrated head-shell structure according to claim 2, characterized in that the material melting point of the second shell (2) is higher than the material melting point of the first shell (1).
4. A method of machining a robotic integrated head-shell structure as claimed in any one of claims 1 to 3, comprising a two-shot injection molding machine provided internally with a first mold cavity for preparing the second shell (2) and a second mold cavity for preparing the first shell (1), characterized in that it comprises the steps of:
Step one: injecting a composite material in a molten state into a first mold cavity;
Step two: after pressure maintaining and cooling, opening a die to obtain a second shell (2);
Step three: the second shell (2) moves to the inside of a second mould cavity, and molten plastic is injected into the second mould cavity;
step four: after pressure maintaining and cooling, opening a die to obtain a product shell;
step five: demolding the product shell, and repeating the first to fourth steps.
5. The method of claim 4, wherein the injection time of the first step is 6s.
6. The method for manufacturing a head and shell structure integrated with a robot as set forth in claim 4 or 5, wherein the injection time in the third step is 6s.
7. The method for manufacturing the integrated head shell structure of the robot of claim 4, wherein the dwell time in the second step is 3-5s, and the cooling time is 4-6s.
8. The method according to claim 4 or 7, wherein the dwell time in the fourth step is 4-6s and the cooling time is 5-7s.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410236433.0A CN118238491A (en) | 2024-03-01 | 2024-03-01 | Structure and processing method of robot integrated head shell |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410236433.0A CN118238491A (en) | 2024-03-01 | 2024-03-01 | Structure and processing method of robot integrated head shell |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN118238491A true CN118238491A (en) | 2024-06-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410236433.0A Pending CN118238491A (en) | 2024-03-01 | 2024-03-01 | Structure and processing method of robot integrated head shell |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN118238491A (en) |
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2024
- 2024-03-01 CN CN202410236433.0A patent/CN118238491A/en active Pending
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