CN217293278U

CN217293278U - Mould for single forming of multiple wheel trims

Info

Publication number: CN217293278U
Application number: CN202220345317.9U
Authority: CN
Inventors: 何建东
Original assignee: Zhejiang Ruitai Auto Parts Co ltd
Current assignee: Zhejiang Ruitai Auto Parts Co ltd
Priority date: 2022-02-21
Filing date: 2022-02-21
Publication date: 2022-08-26
Anticipated expiration: 2032-02-21

Abstract

The utility model discloses a mould of multiple wheel arch of single shaping, include left side press board, right side press board, left side iron, right side iron, B board, A board, first bush, second bush and be located B board, left side iron, right side iron, left side press board, right side press thimble fixed plate, thimble panel in the space that board encloses. The utility model has the advantages of it is following and effect: the runner is reasonably designed according to the size and the volume of a product, particularly the design of long wheel arch grooves on an A plate and a B plate, a fluid channel with a larger caliber is formed, the problem of resistance of the forming runner of large-size and large-volume parts is solved, two sets of sub female dies with symmetrical die design structures are provided, 3 wheel arch grooves are respectively arranged in the sub female dies and are matched one by one, the sub female dies can be simultaneously formed at one step to produce 3 pairs of different wheel arches, the utilization rate of the die is improved, the die development cost is reduced, and the product quality and the production efficiency are ensured.

Description

Mould for single forming of multiple wheel trims

Technical Field

The utility model relates to a mould, in particular to mould of multiple wheel arch of single shaping.

Background

The wheel arch, the abbreviation of automobile wheel arch, refers to the plated bright strip on the upper edge of the tire, namely a semi-circular part protruding from the automobile tire upper fender. The automobile wheel trims are mostly made of plastic materials, and a forming die is needed in the production process.

However, a single set of mold for molding the automobile wheel arch on the market produces a single wheel arch product, the mold for molding the automobile wheel arch is generally provided with one set of mold only for the wheel arch on the left side and the right side, one mold has two matched products, the mold is low in utilization rate and higher in production cost, and the length of the wheel arch is longer, so that the temperature and pressure of injection mold are not lost and viscous due to unreasonable design of a flow channel, the production efficiency and the quality of the automobile wheel arch are directly influenced, certain defects exist, and improvement is needed.

Disclosure of Invention

The utility model aims at providing a mould of multiple wheel arch of single shaping, this kind of mould reasonable design the runner, realized that a mould is many, improved the utilization ratio of mould, reduced mould development cost, guaranteed product quality and production efficiency.

The above technical object of the present invention can be achieved by the following technical solutions: a mold for molding multiple wheel brows at a single time comprises a left press plate, a right press plate, left iron, right iron, a B plate, an A plate, a first bushing, a second bushing, and an ejector pin fixing plate and an ejector pin panel which are positioned in a space enclosed by the B plate, the left iron, the right iron, the left press plate and the right press plate, wherein the left iron and the right iron are respectively fixed on the left press plate and the right press plate, the B plate is fixed on the left iron and the right iron, the outer side surface of the B plate is flush with the side surfaces of the left iron and the right iron, the ejector pin fixing plate is suspended on the left press plate and the right press plate, the upper surface of the ejector pin fixing plate is provided with the ejector pin panel, the upper surface of the ejector pin panel is provided with a plurality of ejector pins and four reset rods positioned at four corners of the ejector pin panel, the ejector pins and the four reset rods penetrate through the B plate and are flush with the upper surface of the B plate, the A plate penetrates through a guide column arranged on the B plate and can be attached to the B plate, the A plate can move up and down relative to the guide column, a first central hole and a second central hole are formed in the center of the A plate, a first bushing is embedded in the first central hole, and a second bushing is embedded in the second central hole;

the plate B is provided with a first main flow channel, a second main flow channel, a first wheel brow groove, a second wheel brow groove, a first main flow channel and a second main flow channel which are respectively intersected with the first center hole; the first main flow channel is connected with the first round brow groove, and the second main flow channel is connected with the second round brow groove; and a third main flow channel and a long wheel brow groove are further formed in the plate B, the third main flow channel is intersected with the second center hole, and the third main flow channel is connected with the long wheel brow groove.

The utility model discloses further set up to: the first main runner is provided with a first branch runner and a second branch runner, the first branch runner and the second branch runner are respectively connected with the near tail ends of the two ends of the first main runner, the tail end of the second main runner is provided with a third branch runner, the third branch runner is divided into a left side and a right side, and the near tail ends of the left side and the right side of the third branch runner are respectively provided with a first branch and a second branch.

The utility model discloses further set up to: the third main runner is connected with a long branch runner, the long branch runner is further provided with a third branch, a fourth branch, a fifth branch and a sixth branch which are uniformly distributed along the long branch runner, and the fourth branch, the fifth branch and the sixth branch are arranged on the same side of the third main runner.

The utility model discloses further set up to: the first main runner on the plate B is connected with the first wheel brow groove through the first branch runner and the second branch runner; the second main flow channel is connected with the second brow runner trough through the first branch and the second branch.

The utility model discloses further set up to: and the third main flow channel on the plate B is connected with the long wheel arch groove through a third branch, a fourth branch, a fifth branch and a sixth branch.

The utility model discloses further set up to: the second center hole of the plate A is provided with a main runner groove matched with the third main runner on the plate B, the tail end of the main runner groove far away from the second center hole is further provided with a long branch runner groove matched with the long branch runner, and the third main runner, the main runner groove, the long branch runner and the long branch runner groove jointly form a fluid channel with a larger caliber.

To sum up, the utility model discloses following beneficial effect has: the utility model discloses a runner has been designed according to size, the volume size of product is reasonable to the mould, especially long wheel eyebrow groove at the design of A board, B board, has formed the bigger fluid passage of bore, has solved the shaping runner resistance problem of jumbo size, bulky part, and this mould has realized that a mould is three simultaneously, has improved the utilization ratio of mould, has reduced mould development cost, has guaranteed product quality and production efficiency.

Drawings

FIG. 1 is a schematic view of a primary and secondary mold for molding multiple wheel trims in a single step;

FIG. 2 is a schematic representation of the structure of the master mold of FIG. 1;

FIG. 3 is a schematic view of the outer surface structure of the plate A of FIG. 1;

FIG. 4 is a schematic diagram of the structure of B plate in FIG. 2;

FIG. 5 is a half sectional view of the master mold structure of FIG. 1 in the lengthwise direction;

FIG. 6 is an enlarged view of a portion of the flow channel and central hole arrangement of FIG. 5;

fig. 7 is a schematic view of the internal structure of the a plate.

Reference numerals: 1. a left press plate; 2. a right press plate; 3. a left square iron; 4. right square iron; 5. b, plate; 6. a plate; 7. a first bushing; 8. a second bushing; 9. a thimble fixing plate; 10. a thimble panel; 51. a guide post; 52. a first main flow passage; 53. a second main flow passage; 54. a third main flow passage; 55. a first brow roller; 56. a second round brow groove; 57. a long wheel brow groove; 61. a first central aperture; 62. a second central aperture; 63. a main runner groove; 64. a long branch runner groove; 101. a thimble; 102. a reset lever; 521. a first branch flow channel; 522. a second branch flow channel; 531. a third branch flow channel; 541. a long branch flow channel; 611. a first bushing; 621. a second bushing; 5311. a first branch; 5312. a second branch; 5411. a third branch; 5412. a fourth branch; 5413. a fifth branch; 5414. a sixth branch;

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1-7, a mold for single-forming multiple wheel brows comprises a left press plate 1, a right press plate 2, a left iron 3, a right iron 4, a B plate 5, an a plate 6, a first bushing 7, a second bushing 8, and an ejector pin fixing plate 9 and an ejector pin panel 10 located in a space enclosed by the B plate 5, the left iron 3, the right iron 4, the left press plate 1 and the right press plate 2, wherein the left iron 3 and the right iron 4 are respectively fixed on the left press plate 1 and the right press plate 2, the B plate 5 is fixed on the left iron 3 and the right iron 4, the outer side surfaces of the B plate 5 and the left iron 3 and the right iron 4 are flush with the side surfaces of the left iron 3 and the right iron 4, the ejector pin fixing plate 9 is suspended on the left press plate 1 and the right press plate 2, the upper surface of the ejector pin fixing plate 9 is provided with the ejector pin panel 10, the upper surface of the ejector pin panel 10 is provided with a plurality of ejector pins 101 and four reset rods 102 located at four corners of the ejector pin panel, the thimble 101 and the four reset rods 102 penetrate through the B plate 5 and are flush with the upper surface of the B plate 5, the A plate 6 penetrates through a guide post 51 arranged on the B plate 5 and can be attached to the B plate 5, the A plate 6 can move up and down relative to the guide post 51, a first central hole 61 and a second central hole 62 are formed in the center of the A plate 6, a first bush 611 is embedded in the first central hole 61, and a second bush 621 is embedded in the second central hole 62;

the B plate 5 is provided with a first main flow channel 52, a second main flow channel 53, a first brow rolling groove 55, a second brow rolling groove 56, and the first main flow channel 52 and the second main flow channel 53 are respectively intersected with a first central hole 61; wherein the first main flow channel 52 is connected with the first brow groove 55, and the second main flow channel 53 is connected with the second brow groove 56; the B plate 5 is further provided with a third main flow channel 54 and a long wheel arch groove 57, the third main flow channel 54 intersects with the second central hole 62, and the third main flow channel 54 is connected with the long wheel arch groove 57.

The utility model discloses further set up to: the first main flow channel 52 is provided with a first branch flow channel 521 and a second branch flow channel 522, the first branch flow channel 521 and the second branch flow channel 522 are respectively connected to the near ends of the two ends of the first main flow channel 52, the end of the second main flow channel 53 is provided with a third branch flow channel 531, the third branch flow channel 531 is divided into a left side and a right side, and the near ends of the left side and the right side of the third branch flow channel 531 are respectively provided with a first branch 5311 and a second branch 5312.

The utility model discloses further set up to: the third main flow channel 54 is connected with a long branch flow channel 541, the long branch flow channel 541 is further provided with a third branch 5411, a fourth branch 5412, a fifth branch 5413 and a sixth branch 5414 which are uniformly distributed along the long branch flow channel 541, wherein the fourth branch 5412, the fifth branch 5413 and the sixth branch 5414 are on the same side of the third main flow channel 54.

The utility model discloses further set up to: the first main runner 52 on the B plate 5 is connected with the first brow groove 55 through the first branch runner 521 and the second branch runner 522; the second main flow channel 53 is connected to the second brow pan 56 through the first branch 5311 and the second branch 5312.

The utility model discloses further set up to: the third main flow channel 54 of the B plate 5 is connected to the long wheel arch groove 57 through the third branch 5411, the fourth branch 5412, the fifth branch 5413 and the sixth branch 5414.

It should be noted that, because the wheel trims on the two sides of the automobile are symmetrically arranged, two sets of the dies of the present invention can be provided to form the wheel trims on the two sides with symmetrical structures. Two sets of primary and secondary dies which are fuzzy and symmetrical in structure are respectively provided with 3 wheel brow grooves which are matched one by one, and the primary and secondary dies are simultaneously formed at one time to produce 3 pairs of different wheel brows.

Furthermore, a main channel groove 63 matched with the third main channel 54 of the B plate 5 is arranged at the second center hole 62 of the a plate, a long branch channel groove 64 matched with the long branch channel 541 is further formed at the tail end of the main channel groove 63 far away from the second center hole 62, and the third main channel 54, the main channel groove 63, the long branch channel 541 and the long branch channel groove 64 jointly form a fluid channel with a larger caliber.

It should be noted that, because the wheel arch product produced by the long wheel arch groove 57 has a longer size and a larger volume, the formation of the fluid channel with a larger caliber is beneficial to reducing the flow resistance of the injection molding liquid, reducing the pressure drop, and enabling better molding.

The specific embodiments are only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiments without inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. A mold for single-forming of various wheel trims is characterized by comprising a left press plate (1), a right press plate (2), left iron (3), right iron (4), a B plate (5), an A plate (6), a first bushing (7), a second bushing (8), and an ejector fixing plate (9) and an ejector pin panel (10) which are positioned in a space enclosed by the B plate (5), the left iron (3), the right iron (4), the left press plate (1) and the right press plate (2), wherein the left iron (3) and the right iron (4) are respectively fixed on the left press plate (1) and the right press plate (2), the B plate (5) is fixed on the left iron (3) and the right iron (4), the outer side surface of the B plate is flush with the side surfaces of the left iron (3) and the right iron (4), and the ejector pin fixing plate (9) is suspended on the left press plate (1) and the right press plate (2), the ejector pin fixing plate is characterized in that an ejector pin panel (10) is arranged on the upper surface of the ejector pin fixing plate (9), a plurality of ejector pins (101) and four reset rods (102) located at four corners of the ejector pin panel are arranged on the upper surface of the ejector pin panel (10), the ejector pins (101) and the four reset rods (102) penetrate through a B plate (5) and are flush with the upper surface of the B plate (5), an A plate (6) penetrates through a guide post (51) arranged on the B plate (5) and can be attached to the B plate (5), the A plate (6) can move up and down relative to the guide post (51), a first center hole (61) and a second center hole (62) are formed in the center of the A plate (6), a first lining (7) is embedded into the first center hole (61), and a second lining (8) is embedded into the second center hole (62);

the B plate (5) is provided with a first main flow channel (52), a second main flow channel (53), a first wheel brow groove (55), a second wheel brow groove (56), the first main flow channel (52) and the second main flow channel (53) which are respectively intersected with the first central hole (61); wherein the first main flow channel (52) is connected with the first brow roller groove (55), and the second main flow channel (53) is connected with the second brow roller groove (56); and a third main flow channel (54) and a long wheel brow groove (57) are further formed in the B plate (5), the third main flow channel (54) is intersected with the second central hole (62), and the third main flow channel (54) is connected with the long wheel brow groove (57).

2. The mold for molding multiple wheel trims in a single operation as claimed in claim 1, wherein: the first main runner (52) is provided with a first branch runner (521) and a second branch runner (522), the first branch runner (521) and the second branch runner (522) are respectively connected with the near ends of the two ends of the first main runner (52), the tail end of the second main runner (53) is provided with a third branch runner (531), the third branch runner (531) is divided into the left side and the right side, and the near ends of the left side and the right side of the third branch runner (531) are respectively provided with a first branch (5311) and a second branch (5312).

3. The mold for molding multiple wheel arches at a time according to claim 1, wherein: the third main flow channel (54) is connected with a long branch flow channel (541), the long branch flow channel (541) is further provided with a third branch (5411), a fourth branch (5412), a fifth branch (5413) and a sixth branch (5414) which are uniformly distributed along the long branch flow channel (541), and the fourth branch (5412), the fifth branch (5413) and the sixth branch (5414) are arranged on the same side of the third main flow channel (54).

4. The mold for molding multiple wheel trims in a single operation as claimed in claim 2, wherein: a first main runner (52) on the B plate (5) is connected with a first brow runner (55) through the first branch runner (521) and a second branch runner (522); the second main flow channel (53) is connected to the second brow pan (56) by means of said first branch (5311) and second branch (5312).

5. The mold for molding multiple wheel arches at a time according to claim 4, wherein: and a third main flow channel (54) on the B plate (5) is connected with the brow lengthening groove (57) through a third branch (5411), a fourth branch (5412), a fifth branch (5413) and a sixth branch (5414).

6. The mold for molding multiple wheel arches at a time according to claim 3, wherein: second centre bore (62) department of A board be equipped with on B board (5) third sprue (54) complex mainstream channel groove (63), the terminal of second centre bore (62) is kept away from in mainstream channel groove (63) still seted up with long branch runner (541) complex long branch runner groove (64), third sprue (54), sprue groove (63), long branch runner (541) and long branch runner groove (64) form the bigger fluid passage of bore jointly.