Large angle inclined top die structure with auxiliary rod and application method thereof

Abstract

The present application relates to a large-angle auxiliary rod assisted inclined top die structure and application method, including an inclined top rod and an inclined top auxiliary rod, further including a telescopic sleeve, the telescopic sleeve includes a plurality of sleeve joints, adjacent sleeve joints maintain relative positions through elastic members; the sleeve joint includes a sheet-shaped body, the sheet-shaped body is provided with a first through hole and a second through hole, the first through hole and the second through hole are respectively provided with a first pressure ring and a second pressure ring; the inclined top rod is guided by the telescopic sleeve to be obliquely ejected, a plurality of sheet-shaped bodies act as fulcrums and disperse the force of the inclined top rod through the first pressure ring and the second pressure ring; when the uppermost sheet-shaped body contacts the back mold, a plurality of elastic members are compressed, the telescopic sleeve is contracted, when the inclined top rod is reset after completing the ejection action, a plurality of elastic members recover deformation, and the telescopic sleeve recovers; the application method can greatly disperse the force of the inclined top rod, and can well improve the strength of the inclined top rod.

Description

TECHNICAL FIELD

[0001] The present application relates to injection mold technology field, more particularly, to a large angle with auxiliary rod of the inclined top mold structure and application method. BACKGROUND

[0002] In the injection mold, the inclined top is a kind of more common component, its function is often used to eject the molded plastic product;Usually, the angle of the inclined top is in the range of 3-12 degrees when it is applied, when the angle of the inclined top needs to be more than 12 degrees (such as 15 degrees), the strength of the inclined top will have higher requirements, in the existing design, in order to deal with this situation, an inclined top auxiliary rod is often designed to disperse stress, such as Chinese application application number CN202023317117.2, a car mold with large angle inclined top auxiliary rod structure is provided, wherein the inclined top auxiliary rod structure is designed, this structure can improve the strength of the inclined top to a certain extent, but the strength improvement is very limited, through stress analysis, it can be clear that, after the inclined top auxiliary rod is designed as above, the difference between the inclined top and the previous structure without the inclined top auxiliary rod is that a guide block is added in the middle part (not the two end positions) of the inclined top as a fulcrum (the fulcrum can move), but the strength of the single fulcrum is limited, the strength of the rod body part between the lower end of the inclined top and the fulcrum is still not high, there is still a risk of being pressed and bent, a large angle with auxiliary rod of the inclined top mold structure and application method are needed to improve the problem. SUMMARY

[0003] The technical problem to be solved by the present application is to provide a large angle with auxiliary rod of the inclined top mold structure and a large angle with auxiliary rod of the inclined top mold structure application method to solve the above defects in the prior art.

[0004] The technical scheme adopted by the present application to solve its technical problem is:

[0005] A large angle with auxiliary rod of the inclined top mold structure is constructed, which comprises an inclined top rod and an inclined top auxiliary rod, the inclined top rod and the inclined top auxiliary rod are parallel, the inclined top auxiliary rod is fixedly connected with the mold, wherein, it further comprises a telescopic sleeve, the telescopic sleeve comprises a plurality of sleeve joints, adjacent sleeve joints keep relative positions through elastic members;The sleeve joint comprises a sheet-shaped body, the sheet-shaped body is provided with a first through hole for the inclined top rod to pass through and a second through hole for the inclined top auxiliary rod to pass through, the first through hole and the second through hole are respectively provided with a first pressure bearing ring and a second pressure bearing ring;The thickness of the first pressure bearing ring and the thickness of the second pressure bearing ring are both greater than the thickness of the sheet-shaped body, the size of the first pressure bearing ring and the size of the second pressure bearing ring are matched with the size of the inclined top rod and the size of the inclined top auxiliary rod respectively.

[0006] The large-angle strip auxiliary rod's inclined top die structure, wherein, among the three continuous sheet bodies, the uppermost one is fixed with a first rack parallel to the inclined top auxiliary rod, the middle one is rotatably provided with a gear, and the lowermost one is fixed with a second rack parallel to the inclined top auxiliary rod, and the first rack and the second rack are respectively located on both sides of the gear and are engaged with the gear.

[0007] The large-angle strip auxiliary rod's inclined top die structure, wherein, the gear is rotatably provided on the sheet body through a rotating shaft, and the elastic member comprises a torsion spring which is correspondingly sleeved on the rotating shaft to reset the gear.

[0008] The large-angle strip auxiliary rod's inclined top die structure, wherein, the sheet body comprises two ring parts and a connecting part connecting the two ring parts, the first through hole and the second through hole are respectively located on the two ring parts, and the connecting part is provided with an avoiding groove on both sides.

[0009] The large-angle strip auxiliary rod's inclined top die structure, wherein, the avoiding groove is internally provided with a glass bead for pressing the first rack or the second rack.

[0010] The large-angle strip auxiliary rod's inclined top die structure, wherein, the upper end and the lower end of the inclined top auxiliary rod are provided with fixed connecting seats fixed with the die.

[0011] The large-angle strip auxiliary rod's inclined top die structure, wherein, the lower end of the inclined top rod is hinged with a sliding block, the sliding block is transversely slidably arranged on a ejector pin plate, the ejector pin plate is provided with a sliding groove matched with the sliding block, the sliding groove is a through groove, and the inclined top auxiliary rod passes through the sliding groove.

[0012] A large-angle strip auxiliary rod's inclined top die structure application method applied to the large-angle strip auxiliary rod's inclined top die structure, wherein, the method comprises the following steps:

[0013] When assembling, a plurality of sheet bodies are sleeved on the inclined top rod and the inclined top auxiliary rod, the inclined top rod is slidably assembled with the ejector pin plate, and the inclined top auxiliary rod is fixedly assembled with the die;

[0014] When the die is opened, the inclined top rod is obliquely ejected under the guidance of the telescopic sleeve, the plurality of sheet bodies act as fulcrums and disperse the stress of the inclined top rod through the first pressure ring and the second pressure ring; when the uppermost sheet body contacts the back mold, the plurality of elastic members are compressed, the telescopic sleeve is contracted, and when the inclined top rod is reset after completing the ejection action, the plurality of elastic members restore the deformation, and the telescopic sleeve restores.

[0015] The beneficial effects of the present application are that: during assembly, the plurality of sheet-shaped bodies are sleeved on the inclined ejector rod and the inclined ejector auxiliary rod, the inclined ejector rod is slidably assembled with the ejector pin plate, and the inclined ejector auxiliary rod is fixedly assembled with the mold; when the mold is opened, the inclined ejector rod is obliquely ejected under the guidance of the telescopic sleeve, the plurality of sheet-shaped bodies act as fulcrums and disperse the stress of the inclined ejector rod through the first pressure ring and the second pressure ring; when the uppermost sheet-shaped body contacts the rear mold, the plurality of elastic members are compressed, the telescopic sleeve is contracted, and when the inclined ejector rod is reset after completing the ejection action, the plurality of elastic members restore the deformation, and the telescopic sleeve restores;

[0016] By applying the method of the present application, the telescopic sleeve 3 plays the role of a movable guide sleeve while providing a plurality of support fulcrums, the assembly is simple and stable, the force borne by the shaft of the inclined ejector rod can be greatly dispersed, the strength of the inclined ejector rod can be well improved, in addition, by using the telescopic sleeve 3 component and relying on its telescopic performance, the inclined ejector rod of different lengths and sizes can be directly applied, and for inclined ejector rods of different thicknesses and sizes, only the corresponding first pressure ring needs to be replaced, which has excellent versatility. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical solutions in the embodiments of the present application or the prior art, the present application will be further described below with reference to the drawings and embodiments. The drawings in the following description are only some embodiments of the present application, and for those skilled in the art, other drawings can be obtained without creative labor on the premise of the drawings:

[0018] Figure 1 is a large-angle inclined ejector mold structure with auxiliary rod structure schematic diagram of the preferred embodiment of the present application (the rack and pinion structure in the middle of the other side is not shown);

[0019] Figure 2 is a large-angle inclined ejector mold structure sheet-shaped body top view of the preferred embodiment of the present application. DETAILED DESCRIPTION

[0020] In order to make the purpose, technical scheme and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described below clearly and completely. Obviously, the described embodiments are some embodiments of the present application, not all embodiments. Based on the embodiments of the present application, all other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present application.

[0021] The large-angle inclined ejector mold structure of the preferred embodiment of the present application is shown in Figure 1 , and Figure 2, including the inclined top rod 1 and the inclined top auxiliary rod 2, the inclined top rod 1 and the inclined top auxiliary rod 2 are parallel, the inclined top auxiliary rod 2 is fixedly connected with the mold, further comprising a telescopic sleeve 3, the telescopic sleeve 3 comprises a plurality of sleeve buckles 30, adjacent sleeve buckles 30 keep relative position through elastic members 31;The sleeve buckle 30 comprises a sheet-shaped body 300, the sheet-shaped body 300 is provided with a first via hole 301 for the inclined top rod 1 to pass through and a second via hole 302 for the inclined top auxiliary rod 2 to pass through, the first via hole 301 and the second via hole 302 are provided with a first pressure ring 303 and a second pressure ring 304 respectively;The thickness of the first pressure ring 303 and the thickness of the second pressure ring 304 are both greater than the thickness of the sheet-shaped body 300, the size of the first pressure ring 303 and the size of the second pressure ring 304 are matched with the size of the inclined top rod 1 and the size of the inclined top auxiliary rod 2 respectively;

[0022] When assembling, a plurality of sheet-shaped bodies 300 are sleeved on the inclined top rod 1 and the inclined top auxiliary rod 2, the inclined top rod 1 is slidingly assembled with the ejector plate 4, and the inclined top auxiliary rod 2 is fixedly assembled with the mold;When the mold is opened, the inclined top rod 1 is inclinedly ejected under the guidance of the telescopic sleeve 3, and the plurality of sheet-shaped bodies serve as fulcrums and disperse the force of the inclined top rod 1 through the first pressure ring 303 and the second pressure ring 304;When the uppermost sheet-shaped body 300 contacts the back mold, the plurality of elastic members 31 are compressed, and the telescopic sleeve 3 is contracted;When the inclined top rod 1 is reset after completing the ejection action, the plurality of elastic members 31 recover deformation, and the telescopic sleeve 3 recovers;

[0023] By using the mode and method of the application, the telescopic sleeve 3 plays the role of a movable guide sleeve and provides a plurality of supporting fulcrums, the assembly is simple and stable, the force on the rod body of the inclined top rod can be greatly dispersed, and the strength of the inclined top rod can be improved well;

[0024] In addition, by using the telescopic sleeve 3 component, different lengths and sizes of the inclined top rod 1 can be directly applied, and different thicknesses and sizes of the inclined top rod only need to replace the corresponding first pressure ring 303, which has excellent universality.

[0025] Preferably, among the three continuous sheet bodies 300, the uppermost one is fixed with a first rack 305 parallel to the auxiliary inclined ejection rod, the middle one is rotationally provided with a gear 306, and the lowermost one is fixed with a second rack 307 parallel to the auxiliary inclined ejection rod, the first rack 305 and the second rack 307 are respectively located on the two sides of the gear 306 and are engaged with the gear 306; the gear 306 is rotationally provided on the sheet body 300 through a rotating shaft 308, the elastic member 31 includes a torsion spring, and the torsion spring is correspondingly sleeved on the rotating shaft 308 to reset the gear 306; the sheet body 300 includes two annular parts 3000 and a connecting part 3001 connecting the two annular parts, the first through hole 301 and the second through hole 302 are respectively located on the two annular parts 3000, the two sides of the connecting part 3001 are provided with avoiding grooves 3002, and the avoiding grooves 3002 are internally provided with glass beads 3003 for pressing the first rack 305 or the second rack 306;

[0026] By adopting the structure, the integrity can be well guaranteed, the gear and rack structure is relied on to make any three continuous sheet bodies keep equidistance when being compressed, the elastic member is arranged to be very concealed, the installation is convenient, the elastic resetting is reliable, in addition, the rack is not prone to displacement under the clamping action of the gear and the glass bead.

[0027] Preferably, the upper end and the lower end of the auxiliary inclined ejection rod 2 are provided with fixed connecting seats 20 fixed with the mold; the lower end of the inclined ejection rod 1 is hingedly connected with a sliding block 10, the sliding block 10 is transversely slidably arranged on a ejector pin plate 4, the ejector pin plate 4 is provided with a sliding groove 40 matched with the sliding block 10, the sliding groove 40 is a through groove and the auxiliary inclined ejection rod 2 passes through the sliding groove; the structure layout is reasonable and compact, the assembly is convenient, and the occupied space is small.

[0028] A large-angle auxiliary rod assisted inclined ejection mold structure application method is applied to the large-angle auxiliary rod assisted inclined ejection mold structure, and the method comprises the following steps:

[0029] When assembling, the plurality of sheet bodies are sleeved on the inclined ejection rod and the auxiliary inclined ejection rod, the inclined ejection rod is slidably assembled with the ejector pin plate, and the auxiliary inclined ejection rod is fixedly assembled with the mold;

[0030] When the mold is opened, the inclined ejection rod is obliquely ejected under the guidance of the telescopic sleeve, the plurality of sheet bodies act as fulcrums and disperse the force of the inclined ejection rod through the first pressure receiving ring and the second pressure receiving ring; when the uppermost sheet body contacts the back mold, the plurality of elastic members are compressed, the telescopic sleeve is contracted, and when the inclined ejection rod is reset after completing the ejection action, the plurality of elastic members recover the deformation and the telescopic sleeve recovers;

[0031] By adopting the method of the application, the assembly is simple and stable, the force on the rod body of the inclined ejection rod can be greatly dispersed, and the strength of the inclined ejection rod can be well improved.

[0032] It is to be understood that the above description is intended to be illustrative and not restrictive. Many other embodiments will be apparent to those of skill in the art upon reviewing the above description. The scope of the application should, therefore, be determined not with reference to the above description, but instead with reference to the appended claims, along with their full scope of equivalents.

Claims

1. A large-angle inclined ejector mold structure with an auxiliary rod, comprising an inclined ejector rod and an inclined ejector auxiliary rod, wherein the inclined ejector rod and the inclined ejector auxiliary rod are parallel to each other, and the inclined ejector auxiliary rod is fixedly connected to the mold, characterized in that: The telescopic sleeve also includes a plurality of socket buckles, and the adjacent socket buckles are kept in relative position by elastic members; the socket buckle includes a sheet-like body, and the sheet-like body is provided with a first through hole for the inclined ejector rod to pass through and a second through hole for the inclined ejector auxiliary rod to pass through, and a first pressure-bearing ring and a second pressure-bearing ring are respectively provided inside the first through hole and inside the second through hole; the thickness of the first pressure-bearing ring and the thickness of the second pressure-bearing ring are both greater than the thickness of the sheet-like body, and the size of the first pressure-bearing ring and the size of the second pressure-bearing ring are respectively the same as the size of the inclined ejector rod The size of the rod matches the size of the tilting auxiliary rod; among the three continuous sheet-like bodies, the top one is fixed with a first rack parallel to the tilting auxiliary rod, the middle one is rotatably provided with a gear, and the bottom one is fixed with a second rack parallel to the tilting auxiliary rod, the first rack and the second rack are respectively located on both sides of the gear and are both engaged with the gear; the gear is rotatably set on the sheet-like body through the rotating shaft, and the elastic member includes a torsion spring, which is correspondingly sleeved on the rotating shaft to reset the gear.

2. The large-angle inclined top mold structure with auxiliary rod according to claim 1 is characterized in that: The sheet-like body includes two annular parts and a connecting part connecting the two annular parts. The first through hole and the second through hole are respectively located on the two annular parts. Avoidance grooves are provided on both sides of the connecting part.

3. The large-angle inclined top mold structure with auxiliary rod according to claim 2 is characterized in that: A glass bead is provided inside the avoidance groove to press the first rack or the second rack.

4. The large-angle inclined top mold structure with auxiliary rod according to claim 1 is characterized in that: The upper end and the lower end of the inclined ejector auxiliary rod are both provided with a fixed connecting seat fixed to the mold.

5. The large-angle inclined top mold structure with auxiliary rod according to claim 4 is characterized in that: The lower end of the inclined ejector rod is hinged with a slider, and the slider is arranged on the ejector plate for horizontal sliding. The ejector plate is provided with a sliding groove that cooperates with the slider. The sliding groove is a through groove and the inclined ejector auxiliary rod passes through the sliding groove.

6. An application method of a large-angle inclined top mold structure with an auxiliary rod, applied to the large-angle inclined top mold structure with an auxiliary rod as claimed in any one of claims 1 to 5, characterized in that: The method comprises the steps of: During assembly, multiple sheet bodies are sleeved onto the inclined ejector rod and the inclined ejector auxiliary rod. The inclined ejector rod is slidably assembled with the ejector plate, and the inclined ejector auxiliary rod is fixedly assembled with the mold. When the mold is opened, the inclined ejector rod is ejected obliquely under the guidance of the telescopic sleeve. The multiple sheet bodies act as fulcrums and disperse the force on the inclined ejector rod through the first pressure ring and the second pressure ring. When the uppermost sheet body contacts the rear mold, the multiple elastic parts are compressed and the telescopic sleeve contracts. When the inclined ejector rod completes the ejection action and resets, the multiple elastic parts resume their deformation and the telescopic sleeve recovers.

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