CN112248311B - Mould demoulding structure of upper frame of automobile door plate - Google Patents
Mould demoulding structure of upper frame of automobile door plate Download PDFInfo
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- CN112248311B CN112248311B CN202011059511.2A CN202011059511A CN112248311B CN 112248311 B CN112248311 B CN 112248311B CN 202011059511 A CN202011059511 A CN 202011059511A CN 112248311 B CN112248311 B CN 112248311B
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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
- B29C33/00—Moulds or cores; Details thereof or accessories therefor
- B29C33/44—Moulds or cores; Details thereof or accessories therefor with means for, or specially constructed to facilitate, the removal of articles, e.g. of undercut articles
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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
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Abstract
The utility model provides a mould demoulding structure of frame on car door plant, includes the base and sets up the lower mould on the base, and the lower mould includes die holder and mold core, its characterized in that: the mould core is embedded with a first straight ejecting block and a second straight ejecting block which correspond to the left side and the right side of the small end of the product, an inclined ejecting block arranged between the first straight ejecting block and the second straight ejecting block and a third straight ejecting block arranged at the mouth part of the front end of the small end, and the first straight ejecting block is also movably embedded with a fourth straight ejecting block; a first straight thimble, a second straight thimble, a third straight thimble, a fourth straight thimble and a first inclined thimble are respectively arranged below the first straight jacking block, the second straight jacking block, the third straight jacking block, the fourth straight jacking block and the inclined jacking block, an elastic needle structure is transversely arranged on the inclined jacking block, and a guide pressing strip is arranged on the mold core and between the inclined jacking block and the first straight jacking block. The mould demoulding structure of the upper frame of the automobile door panel can provide effective support in the demoulding process so as to avoid the deformation of products.
Description
Technical Field
The invention relates to the technical field of molds, in particular to a mold stripping structure of an upper frame of an automobile door panel.
Background
The existing upper frame of an automobile door panel is structurally shown in fig. 1, the shape of the product at the small end is very complex, and it is very difficult to effectively support the small end 1a in the demolding process by using a common mold demolding structure, which is very easy to cause the product to deform in the demolding process.
Disclosure of Invention
The technical problem to be solved by the invention is as follows: the mold demolding structure of the upper frame of the automobile door panel can provide effective support to avoid product deformation in the demolding process.
The technical solution of the invention is as follows: the utility model provides a mould demoulding structure of frame on car door plant, includes base and the lower mould of setting on the base, the lower mould includes die holder and mold core, the base is fixed its characterized in that with the die holder: the mold core is embedded with a first straight ejecting block and a second straight ejecting block which correspond to the left side and the right side of the small end of the product, an inclined ejecting block arranged between the first straight ejecting block and the second straight ejecting block and a third straight ejecting block arranged at the mouth part of the front end of the small end, the first straight ejecting block is also movably embedded with a fourth straight ejecting block, and at least part of the first straight ejecting block, the second straight ejecting block, the third straight ejecting block, the fourth straight ejecting block and the inclined ejecting block are abutted against the inner side wall of the product and are matched with the shape of the product; a first straight thimble, a second straight thimble, a third straight thimble and a fourth straight thimble are respectively arranged below the first straight ejector block, the second straight ejector block, the third straight ejector block and the fourth straight ejector block, a first inclined thimble is arranged below the inclined ejector block, a second inclined thimble and a third inclined thimble which are overlapped with a first barb and a second barb of a product are also included, the first straight thimble, the second straight thimble, the third straight thimble, the fourth straight thimble, the first inclined thimble, the second inclined thimble and the third inclined thimble are all connected with a secondary ejection mechanism arranged on the base and used for ejecting all the straight thimbles and the inclined thimbles for the first time to separate the product from the inclined ejector and the mold core, and only the fourth straight ejector block is ejected for the second time to separate the product from the straight ejector block, an elastic needle structure is transversely arranged on the inclined ejector block, and a guide pressing strip is also arranged on the mold core and between the inclined ejector block and the first straight ejector block, one end of the elastic needle structure abuts against the guide pressing strip, the other end of the elastic needle structure abuts against a product after penetrating through the inclined ejection block, the elastic needle structure is used for abutting against the product by using the guide pressing strip in the initial stage of ejection for the first time, and the elastic needle structure can be separated from the guide pressing strip and ejected when the inclined ejection block moves up to a set position.
The working principle of the mold demoulding structure of the upper frame of the automobile door plate is as follows:
in the initial stage of the first ejection, all the straight ejector pins and the inclined ejector pins are ejected upwards, the inclined ejector pins and a product are slowly separated, in the separation process, the elastic pin structure is pressed by the guide pressing strip to extrude the inner side wall of the product, so that a certain supporting force can be still provided for the product in the separation process of the inclined ejector block and the product, the product is not easy to be adsorbed by the inclined ejector pin, the product is not easy to deform and is more reliably separated, in addition, a third straight ejector block arranged at the front end mouth part of the small head end also plays a certain supporting role for the product, when the inclined ejector block rises to a set position, the elastic pin structure is separated from the guide pressing strip on the mold core to eject, the product is further separated from the inclined ejector block, and the product can be completely separated from the inclined ejector pin and only stays on the straight ejector pin after the first ejection is finished; and then, ejecting for the second time, namely ejecting the product from the straight top only by ejecting the fourth straight ejector pin for the second time, thereby realizing the demoulding of the product.
After the method is adopted, the invention has the following advantages:
according to the mold demolding structure for the upper frame of the automobile door panel, the elastic needle structure is utilized to provide effective support for a product in the initial stage of first ejection, so that the product is not easy to deform and is more reliably separated in the separation process of the inclined top, in addition, the third straight ejection block arranged at the mouth part of the front end of the product also plays a certain supporting role for the product, and further, the product deformation is effectively avoided.
Preferably, the secondary ejection mechanism comprises a first movable plate and a second movable plate which are arranged between the base and the lower die holder, the first movable plate is located above the second movable plate, one end of each of the first straight thimble, the second straight thimble, the third straight thimble, the first inclined thimble, the second inclined thimble and the third inclined thimble is respectively connected with the first straight ejector block, the second straight ejector block, the third straight ejector block, the inclined ejector block, the first barb of the product and the second barb of the product, the other end of each of the first straight thimble, the second inclined ejector block and the second movable plate, one end of the fourth straight thimble is connected with the fourth straight ejector block, the other end of the fourth straight thimble is connected with the first movable plate, an upper linear driving device and a lower linear driving device for driving the first movable plate are arranged on the base or the die holder, an automatic tripping mechanism is further arranged between the first movable plate and the second movable plate and used for tripping the first movable plate and the second movable plate which are in original synchronous motion when the secondary ejection mechanism moves to a set position upwards, and the first movable plate is tripped on the upper linear driving device and the lower linear driving device To move independently and to re-lock the first and second movable plates together for synchronous movement after moving down to the set position. The secondary ejection mechanism is simple in structure and reliable in movement.
Preferably, the bullet needle structure includes horizontal bullet needle and first compression spring, and during initial condition the one end and the direction layering of horizontal bullet needle offset, and the other end offsets with the product after passing oblique kicking block, the one end that horizontal bullet needle is close to the direction layering is equipped with first limit stop, first limit stop activity inlays to be established on one side that oblique kicking block is close to the direction layering, first compression spring cover is established outside horizontal bullet needle, first compression spring's one end offsets with first limit stop, and the other end offsets with oblique kicking block. The bullet needle structure needs fewer parts, and has the advantages of simple structure, low cost and reliable action.
Preferably, the number of the elastic needle structures is two. The ejection can be more powerful and reliable due to the arrangement, and the separation of the product and the inclined top is more facilitated.
Preferably, a groove for accommodating the first compression spring is formed in the inclined ejecting block. The arrangement can ensure that the first compression spring is more convenient and reliable to install and more stable in movement.
Preferably, the device also comprises a spring ejecting mechanism arranged on the second movable plate, the third straight thimble is connected with the second movable plate through the spring ejecting mechanism, the spring ejecting mechanism comprises a slide block and a second compression spring, the slide block is arranged on the second movable plate in a vertical sliding manner, the third straight thimble extends into the slide block and is fixed with the slide block, the first movable plate is provided with a second limit stop block which is used for propping against the top end of the slide block in an initial state, the second movable plate is provided with a third limit stop block which is used for propping against the bottom end of the sliding block in the initial state, the lower part of the sliding block is provided with a spring seat with a downward opening, the second compression spring is arranged in the spring seat of the sliding block, one end of the second compression spring is propped against the top of the spring seat, the other end of the second compression spring is propped against the third limit stop, and a locking structure for preventing the sliding block from being separated during upward movement is further arranged on the second movable plate. This setting is at ejecting in-process of second time, the upwards moving of first fly leaf drives the second limit stop and moves upwards to impel second compression spring upwards to pop out the extension, will make the slider follow first fly leaf and upwards move together like this, and the removal of slider will drive the upward movement of third straight thimble, it continues to shift up to the locking structure restriction slider on the second fly leaf, in the preceding short segment time of ejecting in-process of second time like this, third straight thimble still can upwards move, thereby still can utilize third straight kicking block to play the supporting role to the product in this segment time, further make the difficult emergence of product warp.
Preferably, the locking structure comprises a strip-shaped sliding groove arranged on the sliding block and a positioning pin arranged on the second movable plate and clamped on the strip-shaped sliding groove to slide up and down. The locking structure is simple in structure.
Preferably, one end of the third straight thimble extending into the slider is connected with the first movable plate and the second movable plate in a sliding manner. The arrangement can make the third straight thimble move more stably and reliably.
Preferably, the first straight thimble, the second straight thimble, the fourth straight thimble and the first inclined thimble are all provided with two, and the third straight thimble, the second inclined thimble and the third inclined thimble are all provided with one. The arrangement can simultaneously consider the simplicity of the structure and the reliability and the stability of the straight ejection mechanism and the inclined ejection mechanism.
Preferably, the device further comprises a mechanical arm arranged beside the product. This setting can make things convenient for taking out of product, and the automation level is higher.
Description of the drawings:
FIG. 1 is a schematic structural view of a conventional upper frame for a door panel of an automobile;
FIG. 2 is a schematic structural view of a mold release structure of an upper frame for an automobile door panel according to the present invention in an initial state;
FIG. 3 is a schematic structural view of the mold release structure of the upper frame of the automobile door panel according to the present invention after a portion of the structure is hidden in an initial state;
FIG. 4 is an enlarged view of a portion of FIG. 3 at A;
FIG. 5 is an enlarged view of a portion of FIG. 3 at B;
FIG. 6 is a schematic structural view of each straight ejector block, each designated needle, each inclined ejector block and each inclined ejector pin of the present invention;
FIG. 7 is an enlarged partial schematic view at C of FIG. 6;
FIG. 8 is a schematic structural view of the pogo pin structure of the present invention;
FIG. 9 is a schematic structural view of the spring ejection mechanism of the present invention with the first movable plate and the second movable plate removed;
FIG. 10 is a schematic view of the slider of the present invention;
FIG. 11 is a schematic structural view of the mold release structure of the upper frame of the automobile door panel after 18MM is ejected;
FIG. 12 is a schematic structural view of the mold release structure of the upper frame of the automobile door panel after being ejected 140 MM;
FIG. 13 is a schematic structural view of the mold release structure of the upper frame of the automobile door panel after being ejected 175 MM;
in the prior art figures: 1 a-small head end;
in the figure of the invention: 1-a base, 2-a die holder, 3-a die core, 4-a product small end, 5-a first straight ejector block, 6-a second straight ejector block, 7-an inclined ejector block, 8-a mouth, 9-a third straight ejector block, 10-a fourth straight ejector block, 11-a first straight ejector pin, 12-a second straight ejector pin, 13-a third straight ejector pin, 14-a fourth straight ejector pin, 15-a first inclined ejector pin, 16-a second inclined ejector pin, 17-a third inclined ejector pin, 18-a secondary ejector mechanism, 19-an elastic needle structure, 20-a guide pressing strip, 21-a first movable plate, 22-a second movable plate, 23-a first barb, 24-a second barb, 25-an up-down linear driving device, 26-an automatic tripping mechanism, 27-a horizontal elastic needle, 28-a first compression spring, 29-first limit stop, 30-groove, 31-spring ejecting mechanism, 32-slide block, 33-second compression spring, 34-second limit stop, 35-third limit stop, 36-spring seat, 37-locking structure, 38-strip-shaped chute, 39-positioning pin and 40-product.
Detailed Description
The invention is further described with reference to the following embodiments and drawings.
Example (b):
as shown in fig. 2-13, a mold demolding structure for an upper frame of an automobile door panel comprises a base 1 and a lower mold arranged on the base 1, wherein the lower mold comprises a mold base 2 and a mold core 3, the base 1 is fixed with the mold base 2, a first straight ejector block 5 and a second straight ejector block 6 corresponding to the left and right sides of a small end 4 of a product 40, an inclined ejector block 7 arranged between the first straight ejector block 5 and the second straight ejector block 6, and a third straight ejector block 9 arranged at a front end mouth 8 of the small end 4 are embedded on the mold core 3, a fourth straight ejector block 10 is further movably embedded on the first straight ejector block 5, and at least parts of the first straight ejector block 5, the second straight ejector block 6, the third straight ejector block 9, the fourth straight ejector block 10 and the inclined ejector block 7 are abutted against the inner side wall of the product 40 and matched with the shape of the product 40; a first straight thimble 11, a second straight thimble 12, a third straight thimble 13 and a fourth straight thimble 14 are respectively arranged below the first straight ejector block 5, the second straight ejector block 6, the third straight ejector block 9 and the fourth straight ejector block 10, a first inclined thimble 15 is arranged below the inclined ejector block 7, the inclined ejector block further comprises a second inclined thimble 16 and a third inclined thimble 17 which are overlapped with a first barb 23 and a second barb 24 of a product 40, the first straight thimble 11, the second straight thimble 12, the third straight thimble 13, the fourth straight thimble 14, the first inclined thimble 15, the second inclined thimble 16 and the third inclined thimble 17 are all connected with a secondary ejection mechanism 18 arranged on the base 1 and used for ejecting all the straight thimbles and the inclined thimbles for the first time to separate the product 40 from the inclined thimble and the mold core 3, the fourth straight ejector block 10 is ejected for the second time to separate the product 40 from the straight thimble, and an elastic thimble structure 19 is transversely arranged on the inclined ejector block 7, a guide pressing strip 20 is further arranged on the mold core 3 and between the inclined ejection block 7 and the first straight ejection block 5, one end of the elastic needle structure 19 abuts against the guide pressing strip 20, the other end of the elastic needle structure penetrates through the inclined ejection block 7 and abuts against a product 40, the elastic needle structure 19 is used for abutting against the product 40 through the guide pressing strip 20 in the initial stage of first ejection, and the elastic needle structure 19 can be separated from the guide pressing strip 20 and ejected when the inclined ejection block 7 moves upwards to a set position.
Preferably, the secondary ejection mechanism 18 includes a first movable plate 21 and a second movable plate 22 disposed between the base 1 and the lower die holder 2, the first movable plate 21 is located above the second movable plate 22, one end of each of the first straight thimble 11, the second straight thimble 12, the third straight thimble 13, the first inclined thimble 15, the second inclined thimble 16, and the third inclined thimble 17 is respectively connected to the first straight ejector block 5, the second straight ejector block 6, the third straight ejector block 9, the inclined ejector block 7, the first barb 23 of the product 40, and the second barb 24 of the product 40, the other end of each of the first straight thimble, the second straight thimble 14 is connected to the fourth straight ejector block 10, the other end of each of the fourth straight thimble is connected to the first movable plate 21, an up-down linear driving device 25 for driving the first movable plate 21 is disposed on the base 1 or the die holder 2, the up-down linear driving device 25 is, for example, an oil cylinder, an automatic release mechanism 26 is further disposed between the first movable plate 21 and the second movable plate 22, in each figure, for the sake of clarity of the internal structure, the vertical linear driving device 25, the automatic tripping mechanism 26, and the spring ejecting mechanism 37 described below are only illustrated on the right side, but not on the left side, and the structure on the left side is the same as that on the right side, and the automatic tripping mechanism 26 may be adopted in the prior art, which is not described herein again. The secondary ejection mechanism 18 has a simple structure and reliable movement.
Preferably, the elastic needle structure 19 includes a horizontal elastic needle 27 and a first compression spring 28, in an initial state, one end of the horizontal elastic needle 27 abuts against the guide pressing strip 20, the other end of the horizontal elastic needle passes through the inclined ejector block 7 and abuts against the product 40, one end of the horizontal elastic needle 27 close to the guide pressing strip 20 is provided with a first limit stop 29, the first limit stop 29 is movably embedded on one side of the inclined ejector block 7 close to the guide pressing strip 20, the first compression spring 28 is sleeved outside the horizontal elastic needle 27, one end of the first compression spring 28 abuts against the first limit stop 29, and the other end of the first compression spring 28 abuts against the inclined ejector block 7. The bullet needle structure 19 needs fewer parts, and has the advantages of simple structure, low cost and reliable action.
Preferably, two pogo pin structures 19 are provided. This arrangement makes ejection more robust and reliable, and more conducive to separation of the product 40 from the pitched roof.
Preferably, a groove 30 for accommodating the first compression spring 28 is formed in the slanted ejecting block 7. This arrangement allows the first compression spring 28 to be more easily and reliably mounted and move more stably.
Preferably, the spring ejection mechanism 31 is arranged on the second movable plate 22, the third straight thimble 13 is connected to the second movable plate 22 through the spring ejection mechanism 31, the spring ejection mechanism 31 includes a slider 32 and a second compression spring 33, the slider 32 is arranged on the second movable plate 22 in a vertical sliding manner, the third straight thimble 13 extends into the slider 32 and is fixed to the slider 32, the first movable plate 21 is provided with a second limit stopper 34 for abutting against the top end of the slider 32 in an initial state, the second movable plate 22 is provided with a third limit stopper 35 for abutting against the bottom end of the slider 32 in the initial state, the lower part of the slider 32 is provided with a spring seat 36 with a downward opening, the second compression spring 33 is arranged in the spring seat 36 of the slider 32, one end of the second compression spring 33 abuts against the top of the spring seat 36, and the other end abuts against the third limit stopper 35, the second movable plate 22 is further provided with a locking structure 37 for preventing the slide 32 from being disengaged when moving upwards. In the second ejection process, the upward movement of the first movable plate 21 drives the second limit stop 34 to move upward, so as to cause the second compression spring 33 to pop up and extend upward, so that the slider 32 moves upward along with the first movable plate 21, and the movement of the slider 32 drives the third straight ejector pin 13 to move upward until the locking structure 37 on the second movable plate 22 limits the slider 32 to continue to move upward, so that the third straight ejector pin 13 can still move upward in the previous short period of time in the second ejection process, so that the third straight ejector pin 9 can still be used for supporting the product 40 in the short period of time, and the product 40 is further prevented from being deformed.
Preferably, the locking structure 37 includes a strip-shaped sliding slot 38 disposed on the sliding block 32 and a positioning pin 39 disposed on the second movable plate 22 and clamped on the strip-shaped sliding slot 38 to slide up and down. The locking structure 37 is simple in structure.
Preferably, one end of the third straight thimble 13 extending into the slider 32 is slidably connected to both the first movable plate 21 and the second movable plate 22. This arrangement makes the third straight thimble 13 move more stably and reliably.
Preferably, two first straight thimbles 11, two second straight thimbles 12, two fourth straight thimbles 14 and two first inclined thimbles 15 are provided, and one third straight thimbles 13, one second inclined thimbles 16 and one third inclined thimbles 17 are provided. The arrangement can simultaneously consider the simplicity of the structure and the reliability and the stability of the straight ejection mechanism and the inclined ejection mechanism.
Preferably, a robot is also included, arranged next to the product 40, which is prior art and is not shown schematically. This arrangement facilitates removal of the product 40 with a higher level of automation.
The working principle of the mold demoulding structure of the upper frame of the automobile door plate is as follows:
in the initial stage of the first ejection, all the straight ejector pins and the inclined ejector pins are ejected upwards, the inclined ejector pins and the product 40 start to be separated slowly, in the separation process, the elastic pin structures 19 are pressed by the guide pressing strips 20 to extrude the inner side wall of the product 40, so that a certain supporting force can be still provided for the product 40 in the separation process of the inclined ejector blocks 7 and the product 40, the product 40 is not easily adsorbed by the inclined ejector pins, the product 40 is not easy to deform and is separated more reliably, in addition, the third straight ejector block 9 arranged at the front end mouth part 8 of the small head end 4 also plays a certain supporting role for the product 40, when the inclined ejector block 7 rises to a set position, in the embodiment, when the inclined ejector block 7 rises to 18, the elastic pin structures 19 are separated from the guide pressing strips 20 on the mold core 3 to eject, the product 40 is further separated from the inclined ejector block 7, and the product 40 can be completely separated from the inclined ejector pins after the first ejection is completed, but only on the straight top, the present embodiment ejects 140MM for the first time; then, performing a second ejection, wherein only the first movable plate 21 and the fourth straight thimble 14 disposed on the first movable plate 21 are ejected for the second time, the first movable plate 21 will drive the second limit stop 34 to move upwards within a short period of time after starting to move upwards, so as to cause the second compression spring 33 to pop out and extend upwards, such that the slider 32 will move upwards along with the first movable plate 21, and the movement of the slider 32 will drive the third straight thimble 13 to move upwards until the locking structure 37 on the second movable plate 22 limits the slider 32 to move upwards, and then the first movable plate 21 will drive the fourth straight thimble 14 to move upwards again, so as to cause the product 40 to disengage from the straight thimble, and the second ejection 35MM will continue, such that the total ejection time after the first ejection is 175MM, and the third straight thimble 13 can still move upwards by 10MM within the short period of time before the second ejection process, therefore, the third straight top block 9 can still be used for supporting the product 40 to a certain extent in the period of time, and the product 40 is further not easy to deform; finally, the manipulator grasps the product 40 and moves the product 40 laterally to the barb region of the straight top block, and the manipulator takes the product 40 upward.
Claims (9)
1. The utility model provides a mould demoulding structure of frame on car door plant, includes base (1) and sets up the lower mould on base (1), the lower mould includes die holder (2) and mold core (3), base (1) is fixed its characterized in that with die holder (2): the die core (3) is embedded with a first straight ejector block (5) and a second straight ejector block (6) corresponding to the left side and the right side of the small end (4) of the product, an inclined ejector block (7) arranged between the first straight ejector block (5) and the second straight ejector block (6), and a third straight ejector block (9) arranged at the front end mouth (8) of the small end (4), the first straight ejector block (5) is also movably embedded with a fourth straight ejector block (10), and at least parts of the first straight ejector block (5), the second straight ejector block (6), the third straight ejector block (9), the fourth straight ejector block (10) and the inclined ejector block (7) are abutted against the inner side wall of the product and matched with the shape of the product; a first straight thimble (11), a second straight thimble (12), a third straight thimble (13) and a fourth straight thimble (14) are respectively arranged below the first straight ejector block (5), the second straight ejector block (6), the third straight ejector block (9) and the fourth straight ejector block (10), a first inclined thimble (15) is arranged below the inclined ejector block (7), a second inclined thimble (16) and a third inclined thimble (17) which are overlapped with a first barb (23) and a second barb (24) of a product are also included, the first straight thimble (11), the second straight thimble (12), the third straight thimble (13), the fourth straight thimble (14), the first inclined thimble (15), the second inclined thimble (16) and the third inclined thimble (17) are all connected with a secondary ejection mechanism (18) arranged on the base (1) and are used for ejecting all the straight thimbles and the inclined thimbles for the first time to separate the product from the inclined thimble and the mold core (3), and only ejecting a fourth straight ejection block (10) for the second time to separate the product from the straight ejection, wherein the secondary ejection mechanism (18) comprises a first movable plate (21) and a second movable plate (22) which are arranged between the base (1) and the die holder (2); an elastic needle structure (19) transversely penetrates through the inclined ejection block (7), a guide pressing strip (20) is further arranged on the mold core (3) and between the inclined ejection block (7) and the first straight ejection block (5), one end of the elastic needle structure (19) abuts against the guide pressing strip (20), the other end of the elastic needle structure abuts against a product after penetrating through the inclined ejection block (7), the elastic needle structure (19) is used for abutting against the product by using the guide pressing strip (20) in the initial stage of first ejection, and the elastic needle structure (19) can be separated from the guide pressing strip (20) and ejected when the inclined ejection block (7) moves upwards to a set position; the spring ejection mechanism (31) is arranged on the second movable plate (22), the third straight ejector pin (13) is connected with the second movable plate (22) through the spring ejection mechanism (31), the spring ejection mechanism (31) comprises a sliding block (32) and a second compression spring (33), the sliding block (32) is arranged on the second movable plate (22) in a vertical sliding mode, the third straight ejector pin (13) extends into the sliding block (32) and is fixed with the sliding block (32), a second limit stop (34) used for abutting against the top end of the sliding block (32) in an initial state is arranged on the first movable plate (21), a third limit stop (35) used for abutting against the bottom end of the sliding block (32) in the initial state is arranged on the second movable plate (22), a spring seat (36) with a downward opening is arranged on the lower portion of the sliding block (32), and the second compression spring (33) is arranged in the spring seat (36) of the sliding block (32), one end of the second compression spring (33) abuts against the top of the spring seat (36), the other end of the second compression spring abuts against the third limit stop (35), and a locking structure (37) used for preventing the sliding block (32) from coming off when moving upwards is further arranged on the second movable plate (22).
2. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: the first movable plate (21) is positioned above the second movable plate (22), one end of each of the first straight thimble (11), the second straight thimble (12), the third straight thimble (13), the first inclined thimble (15), the second inclined thimble (16) and the third inclined thimble (17) is respectively connected with the first straight ejection block (5), the second straight ejection block (6), the third straight ejection block (9), the inclined ejection block (7), the first barb (23) of the product and the second barb (24) of the product, the other end of each of the first straight thimbles is connected with the second movable plate (22), one end of each of the fourth straight thimbles (14) is connected with the fourth straight ejection block (10), the other end of each of the fourth straight thimbles is connected with the first movable plate (21), an upper linear driving device (25) and a lower linear driving device (25) for driving the first movable plate (21) are arranged on the base (1) or the die holder (2), and an automatic tripping mechanism (26) is further arranged between the first movable plate (21) and the second movable plate (22), the first movable plate (21) and the second movable plate (22) which are used for tripping to make the original synchronous movement when moving upwards to the set position are separated, the first movable plate (21) moves independently under the driving of the up-and-down linear driving device (25), and the first movable plate (21) and the second movable plate (22) are locked together to make synchronous movement after moving downwards to the set position.
3. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: bullet needle structure (19) include horizontal bullet needle (27) and first compression spring (28), during initial state the one end and the direction layering (20) of horizontal bullet needle (27) offset, and the other end passes and offsets with the product behind oblique kicking block (7), the one end that horizontal bullet needle (27) are close to direction layering (20) is equipped with first limit stop (29), first limit stop (29) activity is inlayed and is established on one side that oblique kicking block (7) are close to direction layering (20), first compression spring (28) cover is established outside horizontal bullet needle (27), the one end and the first limit stop (29) of first compression spring (28) offset, and the other end offsets with oblique kicking block (7).
4. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: the number of the elastic needle structures (19) is two.
5. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: a groove (30) used for accommodating a first compression spring (28) is formed in the inclined ejecting block (7).
6. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: the locking structure (37) comprises a strip-shaped sliding groove (38) arranged on the sliding block (32) and a positioning pin (39) which is arranged on the second movable plate (22) and clamped on the strip-shaped sliding groove (38) to slide up and down.
7. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: one end of the third straight thimble (13) extending into the sliding block (32) is connected with the first movable plate (21) and the second movable plate (22) in a sliding manner.
8. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: the first straight thimble (11), the second straight thimble (12), the fourth straight thimble (14) and the first inclined thimble (15) are all provided with two, and the third straight thimble (13), the second inclined thimble (16) and the third inclined thimble (17) are all provided with one.
9. The mold release structure for an upper frame of an automobile door panel according to claim 1, characterized in that: the device also comprises a manipulator arranged beside the product.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202011059511.2A CN112248311B (en) | 2020-09-30 | 2020-09-30 | Mould demoulding structure of upper frame of automobile door plate |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011059511.2A CN112248311B (en) | 2020-09-30 | 2020-09-30 | Mould demoulding structure of upper frame of automobile door plate |
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| CN112248311A CN112248311A (en) | 2021-01-22 |
| CN112248311B true CN112248311B (en) | 2022-08-09 |
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| CN111688130A (en) * | 2020-05-15 | 2020-09-22 | 浙江零跑科技有限公司 | Sliding block structure of injection mold |
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| CN112248311A (en) | 2021-01-22 |
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