CN111267300A - Demoulding mechanism for automobile instrument panel decorative strip - Google Patents
Demoulding mechanism for automobile instrument panel decorative strip Download PDFInfo
- Publication number
- CN111267300A CN111267300A CN202010084266.4A CN202010084266A CN111267300A CN 111267300 A CN111267300 A CN 111267300A CN 202010084266 A CN202010084266 A CN 202010084266A CN 111267300 A CN111267300 A CN 111267300A
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- CN
- China
- Prior art keywords
- groove
- bottom plate
- guide sleeve
- block
- roof
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/26—Moulds
- B29C45/33—Moulds having transversely, e.g. radially, movable mould parts
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/40—Removing or ejecting moulded articles
- B29C45/4005—Ejector constructions; Ejector operating mechanisms
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29L—INDEXING SCHEME ASSOCIATED WITH SUBCLASS B29C, RELATING TO PARTICULAR ARTICLES
- B29L2031/00—Other particular articles
- B29L2031/30—Vehicles, e.g. ships or aircraft, or body parts thereof
- B29L2031/3005—Body finishings
- B29L2031/302—Trim strips
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The invention discloses a demoulding mechanism of a decorative strip of an automobile instrument panel, which comprises a bottom plate, a lower top plate, an upper top plate and a thimble positioned below a sliding block, the lower top plate and the upper top plate are both arranged on the upper surface of the bottom plate, the lower top plate is positioned between the upper top plate and the bottom plate, the device also comprises an elastic block and a compression spring, the upper surface of the bottom plate is provided with a groove, the diameter of the lower end of the groove is larger than that of the upper end of the groove, the diameter of the lower end of the elastic block is larger than that of the upper end of the elastic block, the lower end of the elastic block is in sliding fit with the lower end of the groove, the upper end of the elastic block is in sliding fit with the upper end of the groove, the end part of the upper end of the elastic block penetrates through the lower top plate and abuts against the bottom surface of the upper top plate, the lower end of the ejector pin is arranged on the upper surface of the elastic block, the upper end of the ejector pin is abutted against the lower surface of a product, and the bottom surface of the elastic block is provided with an open slot.
Description
Technical Field
The invention relates to the field of injection molds, in particular to a demolding mechanism for an automobile instrument panel trim.
Background
The automobile instrument panel trim is one of important parts of an automobile, the automobile instrument panel trim is formed by injection molding through an injection mold, according to the prior art, due to the fact that the reverse buckle on the side face of a product is long in stroke, when the reverse buckle is drawn out by the sliding block and then the ejector pin is used for ejecting the product, the sliding block is ejected by the ejector pin below the sliding block because the sliding block is not completely separated from the product, and meanwhile, when the sliding block is reset, the ejector pin is not reset, the sliding block is collided with the ejector pin, so that normal production.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the defects of the prior art are overcome, and the demolding mechanism of the automobile instrument panel trim, which can be normally produced and has high safety coefficient, is provided.
The technical scheme adopted by the invention is as follows: the utility model provides a demoulding mechanism of motormeter dish trim, includes bottom plate, roof down, goes up the roof and is located the thimble of slider below, roof down and last roof all establish at the bottom plate upper surface, roof down be located between roof and the bottom plate, it still includes kicking block and compression spring, bottom plate upper surface be equipped with the recess, recess lower extreme diameter be greater than recess upper end diameter, kicking block lower extreme diameter be greater than kicking block upper end diameter, kicking block lower extreme sliding fit at the recess lower extreme, kicking block upper end sliding fit in recess upper end, the tip of kicking block upper end run through roof down and support and lean on at last roof basal surface, the thimble lower extreme establish at the kicking block upper surface, the thimble upper end top at the product lower surface, kicking block basal surface be equipped with the open slot, compression spring upper end be located the open slot, the compression spring lower extreme support and lean on at the recess basal surface, and a gap is reserved between the lower end of the elastic block and the end surface of the lower end of the groove when the mold is closed.
After adopting the structure, compared with the prior art, the invention has the following advantages: the ejector pin is in a reset state, a compression spring is convenient to push the ejector pin to move upwards, the ejector pin is ejected out by the compression spring when the ejector plate is opened, the ejection distance of the ejector pin is the distance of the gap, the ejector pin is ejected out under the state that the slide block does not exit, the ejector pin cannot collide with the slide block, and the normal production and safety coefficient are high.
Preferably, the gap is smaller than the wall thickness of the product, the ejection distance of the ejector pin is smaller than the wall thickness of the product, and the ejector pin cannot collide with the sliding block.
Preferably, the elastic block is in up-and-down sliding fit in the guide sleeve, and the guide sleeve plays a guiding role, is wear-resistant and is convenient to install and replace.
Preferably, the upper surface of the bottom plate is provided with a first groove, the diameter of the lower end of the first groove is larger than that of the upper end of the first groove, and the lower end of the guide sleeve is clamped in the first groove, so that the guide sleeve is convenient to fix.
Preferably, the spring block installation device further comprises a pressing plate, a second groove communicated with the lower end of the first groove is formed in the bottom surface of the bottom plate, the diameter of the second groove is larger than that of the lower end of the first groove, the pressing plate is fixed in the second groove, and the lower end of the guide sleeve and the lower end of the spring block are abutted against the upper surface of the pressing block, so that the spring block and the guide sleeve are convenient to install.
Preferably, the upper surface of the elastic block is provided with an inverted T-shaped groove, the lower end of the ejector pin is arranged in the inverted T-shaped groove, so that the ejector pin can move and eject conveniently, the lower end of the ejector pin can be in sliding fit in the inverted T-shaped groove, and the reliability is high.
Preferably, the upper surface of the lower top plate is provided with a through hole, and the guide sleeve is positioned in the through hole, so that the installation and the disassembly are convenient.
Drawings
Fig. 1 is a perspective view of a release mechanism of an automobile instrument panel molding of the present invention;
fig. 2 is a front sectional view of the ejector mechanism of the molding for automobile instrument panel of the invention with the slider removed and the product.
The device comprises a base plate 1, a bottom plate 2, a lower top plate 3, an upper top plate 4, a sliding block 5, a thimble 6, an elastic block 7, a compression spring 8, a groove 9, an open groove 10, a product 11, a guide sleeve 12, a first groove 13, a second groove 14, an inverted T-shaped groove 15, a through hole 16 and a pressing plate.
Detailed Description
The invention is further described with reference to the following figures and detailed description.
As shown in the figure, the invention provides a demoulding mechanism of an automobile instrument panel decorative strip, which comprises a bottom plate 1, a lower top plate 2, an upper top plate 3 and a thimble 5 positioned below a slide block 4, wherein the lower top plate 2 and the upper top plate 3 are both arranged on the upper surface of the bottom plate 1, the lower top plate 2 is positioned between the upper top plate 3 and the bottom plate 1, the demoulding mechanism also comprises an elastic block 6 and a compression spring 7, the upper surface of the bottom plate 1 is provided with a groove 8, the diameter of the lower end of the groove 8 is larger than that of the upper end of the groove 8, the diameter of the lower end of the elastic block 6 is larger than that of the upper end of the elastic block 6, the lower end of the elastic block 6 is in sliding fit at the lower end of the groove 8, the upper end of the elastic block 6 is in sliding fit at the upper end of the groove 8, the end of the upper end of the elastic block 6 penetrates through the lower top plate 2 and, the bottom surface of the elastic block 6 is provided with an open slot 9, the upper end of the compression spring 7 is positioned in the open slot 9, the lower end of the compression spring 7 is abutted against the bottom surface of the groove 8, and a gap is reserved between the lower end of the elastic block 6 and the end surface of the lower end of the groove 8 during die assembly, the invention has the advantages that the elastic block 6 is arranged among the bottom plate 1, the lower top plate 2 and the upper top plate 3, the groove 8 is arranged on the bottom plate 1, the upper end of the groove 8 is small, the lower end of the groove 8 is large, the elastic block 6 is also the same as the groove 8, the upper end of the groove 8 is large, the lower end of the elastic block 6 is in sliding fit with the lower end of the groove 8, a gap is reserved between the lower end of the elastic block 6 and the end surface of the lower end of the groove 8, the upper top plate 3 presses the elastic block 6 during die assembly, the, the distance of the ejection of the elastic block 6 is the distance of the gap, the ejection is performed in the state that the sliding block 4 is not withdrawn, the ejector pin 5 cannot collide with the sliding block 4, normal production can be realized, and the safety factor is high.
The clearance is smaller than the wall thickness of the product 10, the ejection distance of the ejector pin is smaller than the wall thickness of the product, and the ejector pin cannot collide with the sliding block.
It still includes uide bushing 11, 11 lower extremes of uide bushing fix on bottom plate 1 upper surface, 11 upper ends of uide bushing pass through lower plate 2 and support and lean on 3 basal surfaces at last roof, recess 8 establish in uide bushing 11, bullet piece 6 upper and lower sliding fit in uide bushing 11, the uide bushing plays the guide effect, wear-resisting, is convenient for install and change.
The upper surface of the bottom plate 1 is provided with a first groove 12, the diameter of the lower end of the first groove 12 is larger than the diameter of the upper end of the first groove 12, and the lower end of the guide sleeve 11 is clamped in the first groove 12, so that the guide sleeve is convenient to fix.
The spring block installation device is characterized by further comprising a pressing plate 16, a second groove 13 communicated with the lower end of the first groove 12 is formed in the bottom surface of the bottom plate 1, the diameter of the second groove 13 is larger than that of the lower end of the first groove 12, the pressing plate 16 is fixed in the second groove 13, and the lower end of the guide sleeve 11 and the lower end of the spring block 6 are abutted against the upper surface of the pressing block 13, so that the spring block and the guide sleeve can be installed conveniently.
The upper surface of the elastic block 6 is provided with an inverted T-shaped groove 14, the lower end of the thimble 5 is arranged in the inverted T-shaped groove 14, so that the thimble can move and be ejected conveniently, the lower end of the thimble 5 can be in sliding fit in the inverted T-shaped groove, and the reliability is high.
The upper surface of the lower top plate 2 is provided with a through hole 15, and the guide sleeve 11 is positioned in the through hole 15, so that the installation and the disassembly are convenient.
In particular, the principle of the invention is that a spring block 6 is arranged among a bottom plate 1, a lower top plate 2 and an upper top plate 3, meanwhile, a groove 8 is formed in the bottom plate 1, the upper end of the groove 8 is small, the lower end of the groove 8 is large, the elastic block 6 is also as large as the groove 8, the upper end of the elastic block 6 is small, the lower end of the elastic block 6 is in sliding fit with the lower end of the groove 8, a gap exists between the lower end of the elastic block 6 and the end surface of the lower end of the groove 8, the upper top plate 3 presses the elastic block 6 during die assembly, the ejector pin 5 is in a reset state, the compression spring 7 is convenient to push the elastic block 6 to move upwards, the upper top plate 3 is ejected during die assembly, the elastic block 6 is ejected by the compression spring 7, the ejector pin 5 is ejected out under the state that the sliding block 4 is not withdrawn, the ejector pin 5 cannot collide with the sliding block 4, normal production can be realized, the safety factor is high, and the risk that the ejector pin 5 arranged below the sliding block 4 can collide with the sliding block 10 can be avoided by using the mechanism; the die is safely produced, the distance of the gap is 2mm, and except that the ejector pins 5 below the sliding block 4 are ejected by 2mm, other ejector pins (other ejector pins are arranged on the upper top plate 3) are still used for completely ejecting a product 10(60 mm).
The action process is as follows: firstly, when the ejection is carried out, the upper top plate 3 is ejected out, the upper top plate 3 is separated from the lower fixed plate 2, the compression spring 7 ejects the elastic block 6 because the compression spring 7 is compressed, the lower end of the elastic block 6 is in sliding fit with the lower end of the groove 8, and the upper end of the elastic block 6 is in sliding fit with the upper end of the groove 8; secondly, when the elastic block 6 is ejected by 2mm, the lower end of the elastic block 6 is abutted against the end face of the lower end of the groove 8, and the ejector pin 5 ejects a product by 2 mm; and thirdly, when resetting, the upper top plate 3 resets, the elastic block 6 is pressed downwards by the upper top plate 3, the elastic block 6 resets, the thimble 5 resets, and the compression spring 7 is compressed.
The foregoing has described preferred embodiments of the present invention and is not to be construed as limiting the claims. The present invention is not limited to the above embodiments, and the specific structure thereof is allowed to vary, and various changes made within the scope of the independent claims of the present invention are within the scope of the present invention.
Claims (7)
1. The utility model provides a demoulding mechanism of motormeter dish trim, includes bottom plate (1), roof (2) down, goes up roof (3) and is located thimble (5) of slider (4) below, roof (2) down and last roof (3) all establish at bottom plate (1) upper surface, roof (2) down be located between roof (3) and bottom plate (1), its characterized in that: it still includes bullet piece (6) and compression spring (7), bottom plate (1) upper surface be equipped with recess (8), recess (8) lower extreme diameter be greater than recess (8) upper end diameter, bullet piece (6) lower extreme diameter be greater than bullet piece (6) upper end diameter, bullet piece (6) lower extreme sliding fit at recess (8) lower extreme, bullet piece (6) upper end sliding fit in recess (8) upper end, tip of bullet piece (6) upper end run through down roof (2) and support and lean on at last roof (3) basal surface, thimble (5) lower extreme establish at bullet piece (6) upper surface, thimble (5) upper end top at product (10) lower surface, bullet piece (6) basal surface be equipped with open slot (9), compression spring (7) upper end be located open slot (9), compression spring (7) lower extreme support and lean on recess (8) basal surface, and a gap is reserved between the lower end of the elastic block (6) and the end surface of the lower end of the groove (8) when the mold is closed.
2. The ejector mechanism for an instrument panel molding of an automobile according to claim 1, characterized in that: the gap is smaller than the wall thickness of the product (10).
3. The ejector mechanism for an instrument panel molding of an automobile according to claim 1, characterized in that: the spring block type spring support is characterized by further comprising a guide sleeve (11), the lower end of the guide sleeve (11) is fixed on the upper surface of the bottom plate (1), the upper end of the guide sleeve (11) penetrates through the lower bottom plate (2) and abuts against the bottom surface of the upper top plate (3), the groove (8) is formed in the guide sleeve (11), and the spring block (6) is in up-and-down sliding fit in the guide sleeve (11).
4. The ejector mechanism for an instrument panel molding of an automobile according to claim 3, characterized in that: the upper surface of the bottom plate (1) is provided with a first groove (12), the diameter of the lower end of the first groove (12) is larger than that of the upper end of the first groove (12), and the lower end of the guide sleeve (11) is clamped in the first groove (12).
5. The ejector mechanism for an instrument panel molding of an automobile according to claim 4, characterized in that: the spring block pressing device is characterized by further comprising a pressing plate (16), a second groove (13) communicated with the lower end of the first groove (12) is formed in the bottom surface of the bottom plate (1), the diameter of the second groove (13) is larger than that of the lower end of the first groove (12), the pressing plate (16) is fixed in the second groove (13), and the lower end of the guide sleeve (11) and the lower end of the spring block (6) are abutted against the upper surface of the pressing block (13).
6. The ejector mechanism for an instrument panel molding of an automobile according to claim 1, characterized in that: the upper surface of the elastic block (6) is provided with an inverted T-shaped groove (14), and the lower end of the thimble (5) is arranged in the inverted T-shaped groove (14).
7. The ejector mechanism for an instrument panel molding of an automobile according to claim 3, characterized in that: the upper surface of the lower top plate (2) is provided with a through hole (15), and the guide sleeve (11) is positioned in the through hole (15).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084266.4A CN111267300A (en) | 2020-02-10 | 2020-02-10 | Demoulding mechanism for automobile instrument panel decorative strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010084266.4A CN111267300A (en) | 2020-02-10 | 2020-02-10 | Demoulding mechanism for automobile instrument panel decorative strip |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN111267300A true CN111267300A (en) | 2020-06-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202010084266.4A Pending CN111267300A (en) | 2020-02-10 | 2020-02-10 | Demoulding mechanism for automobile instrument panel decorative strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN111267300A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297358A (en) * | 2020-10-12 | 2021-02-02 | 辽宁工程技术大学 | Demoulding mechanism of motormeter dish trim |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979635U (en) * | 2010-11-29 | 2011-09-21 | 富泰克精密注塑(苏州)有限公司 | Anti-collision mechanism of die sliding block |
| CN203460362U (en) * | 2013-09-10 | 2014-03-05 | 天津国丰模具有限公司 | Safe ejector for slide blocks |
| CN106142466A (en) * | 2016-08-29 | 2016-11-23 | 武汉燎原模塑有限公司 | The structure that a kind of anti-limited slip block and push rod bump against |
| CN205905346U (en) * | 2016-06-21 | 2017-01-25 | 杭州友成机工有限公司 | Be used for preventing that slider from hitting thimble mechanism |
| CN206623349U (en) * | 2017-03-12 | 2017-11-10 | 福建和动力智能科技有限公司 | A kind of mould back-off mould unloading structure |
| CN107839175A (en) * | 2017-10-12 | 2018-03-27 | 宁波南方塑料模具有限公司 | A kind of release mechanism for preventing from colliding in ejection process |
-
2020
- 2020-02-10 CN CN202010084266.4A patent/CN111267300A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201979635U (en) * | 2010-11-29 | 2011-09-21 | 富泰克精密注塑(苏州)有限公司 | Anti-collision mechanism of die sliding block |
| CN203460362U (en) * | 2013-09-10 | 2014-03-05 | 天津国丰模具有限公司 | Safe ejector for slide blocks |
| CN205905346U (en) * | 2016-06-21 | 2017-01-25 | 杭州友成机工有限公司 | Be used for preventing that slider from hitting thimble mechanism |
| CN106142466A (en) * | 2016-08-29 | 2016-11-23 | 武汉燎原模塑有限公司 | The structure that a kind of anti-limited slip block and push rod bump against |
| CN206623349U (en) * | 2017-03-12 | 2017-11-10 | 福建和动力智能科技有限公司 | A kind of mould back-off mould unloading structure |
| CN107839175A (en) * | 2017-10-12 | 2018-03-27 | 宁波南方塑料模具有限公司 | A kind of release mechanism for preventing from colliding in ejection process |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112297358A (en) * | 2020-10-12 | 2021-02-02 | 辽宁工程技术大学 | Demoulding mechanism of motormeter dish trim |
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| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20200612 |
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| RJ01 | Rejection of invention patent application after publication |