CN215203187U

CN215203187U - Mould-sticking-preventing fan blade mould

Info

Publication number: CN215203187U
Application number: CN202120603267.5U
Authority: CN
Inventors: 李致成; 郭伟胜; 邱望军; 苟国江
Original assignee: Zhuhai Gree Daikin Precision Mold Co Ltd
Current assignee: Zhuhai Gree Daikin Precision Mold Co Ltd
Priority date: 2021-03-24
Filing date: 2021-03-24
Publication date: 2021-12-17
Anticipated expiration: 2031-03-24

Abstract

The utility model relates to an injection mold field specifically is an antiseized mould flabellum mould, including cover half chamber board and movable mould chamber board, the movable mould chamber board sets up the shaping district and installs the core ring in the shaping district outside at the top, and the core ring sets up the shaping annular in top surface inner edge department, and cover half chamber board is equipped with at least three sets and core ring complex and directly pushes up the mechanism in the bottom. The direct-jacking mechanism comprises a fixed die ejector rod capable of lifting and moving, the fixed die ejector rod penetrates through the fixed die cavity plate, and the direct-jacking mechanism further comprises a reset assembly for connecting the fixed die ejector rod with the fixed die cavity plate. The bottom end of the fixed die ejector rod is abutted against the top surface of the core ring, and the projection part of the bottom end of the fixed die ejector rod in the vertical direction falls into the forming ring groove. The anti-sticking fan blade mold can effectively prevent the movable mold and the fixed mold from sticking, and the straight ejection mechanism contained in the mold is easy to be arranged on the cavity plate of the fixed mold and has lower implementation cost.

Description

Mould-sticking-preventing fan blade mould

Technical Field

The utility model relates to an injection mold field specifically is an antiseized mould flabellum mould.

Background

The fan blade products usually comprise a plurality of sheet-shaped spiral blades, the overall shape is complex, the surface area is large, a movable die and a fixed die corresponding to a die both comprise a plurality of discontinuous forming curved surfaces, and the hidden danger of die sticking is large in the demolding stage. The movable mold can realize smooth demolding of the fan blade products by optimizing inherent demolding structures such as ejector pins and ejector rods, and the fixed mold does not usually have a similar straight ejection structure. Generally speaking, the thickness of the movable mold part of the mold is smaller than that of the movable mold part, and a complex glue inlet and flow passage structure is also arranged, so that the mold sticking prevention straight top structure on the fixed mold needs to be customized for specific products, and the design difficulty is higher.

Disclosure of Invention

The utility model aims to provide a cover half possesses antiseized mould flabellum mould of straight-top structure.

In order to realize the above object, the utility model provides an antiseized mould flabellum mould, including deciding model chamber board and movable mould chamber board, movable mould chamber board top is equipped with the shaping district, and its special character lies in, and movable mould chamber board top is equipped with the core ring in the shaping district outside, and the core ring sets up the shaping annular in top surface inner edge department, and cover half die cavity board is equipped with at least three sets and core ring complex straight pushing mechanism in the bottom. The direct-jacking mechanism comprises a fixed die ejector rod capable of lifting and moving, the fixed die ejector rod penetrates through the fixed die cavity plate, and the direct-jacking mechanism further comprises a reset assembly for connecting the fixed die ejector rod with the fixed die cavity plate. The bottom end of the fixed die ejector rod is abutted against the top surface of the core ring, and the projection part of the bottom end of the fixed die ejector rod in the vertical direction falls into the forming ring groove.

According to the scheme, the part of the bottom end of the fixed die ejector rod, which is located in the forming ring groove area, can participate in local forming of fan blade products, and the core ring can limit the upper ejector rod in a die closing state, so that the accuracy of the local shape and size of the die cavity is guaranteed. When the mold is opened, the plurality of sets of straight ejection mechanisms synchronously operate, and the fixed mold ejector rods on the fixed mold ejector rods can locally eject the fixed mold cavity plate under the action of the reset assembly and continuously abut against the outer ring of the fan blade, so that the fan blade product is ejected away from the fixed mold cavity plate, and the fixed mold anti-sticking effect is realized. The reset assembly directly acts on the fixed die ejector rod and can drive the fixed die ejector rod to perform jacking action. The core component of the straight ejection mechanism is a fixed die ejector rod, and the fixed die ejector rod is matched with the reset assembly without more arrangement space in the horizontal direction, so that the fixed die ejector rod is not easy to interfere with other inherent components on a fixed die cavity plate, and is convenient to implement.

The further scheme is that a ladder mounting hole matched with the straight jacking mechanism is arranged on the fixed mould cavity plate in a penetrating mode, the ladder mounting hole comprises a bolt connection section and an intermediate section, the diameters of the bolt connection section and the intermediate section are gradually decreased from top to bottom, the guide section is matched with the fixed mould ejector rod, and the inner wall of the bolt connection section is provided with an internal thread. The cover half ejector pin middle part sets up spacing bulge loop in the outside, and the cover half ejector pin is equipped with stop cap above spacing bulge loop, and reset assembly includes push spring and adorns the threaded connection spare on the spiro union section down, and push spring and stop cap all are located the interlude down, and on the cover half ejector pin was located to lower push spring cover, push spring top and threaded connection spare butt down, push spring bottom and stop cap butt down.

From the above, only need set up the ladder mounting hole that contains tertiary ladder on deciding the model cavity board and can guarantee the whole assembly of straight top mechanism, consequently the required arrangement space of straight top mechanism is less. The straight-pushing mechanism has fewer parts, and the threaded connecting piece can also use a standard piece such as an inner hexagonal bolt, so that the straight-pushing mechanism is easier to implement.

The further scheme is that the threaded connection piece comprises a cylinder body, the outer side of the cylinder body is provided with an external thread matched with the thread connection section, the top surface of the cylinder body is provided with an avoidance through hole along the axial direction, the horizontal section of the avoidance through hole is a regular hexagon, and the distance between two parallel side surfaces in the avoidance through hole is larger than the diameter of the fixed die ejector rod.

Therefore, the thread connecting piece uses the hexagonal socket hole with larger size as the avoiding through hole, can be disassembled and assembled through the hexagon socket wrench, and can also vacate a backspacing space for the fixed die ejector rod, so that the straight ejection mechanism is easier to be arranged on the thinner fixed die cavity plate.

The further scheme is that the depth of the screw joint section is larger than the thickness of the threaded connecting piece, and the screw joint section is also provided with a locking threaded piece above the threaded connecting piece.

It is from top to bottom visible, set up the spiro union section and adjust down the pretightning force of spring through changing the position of threaded connection spare in the spiro union section then the accessible, introduce locking screw spare and can fix the preset position in the spiro union section with threaded connection spare.

The further proposal is that at least three movable mold mandrils are fixedly arranged at the bottom of the core ring, and the movable mold mandrils are arranged on the movable mold cavity plate in a penetrating way.

Therefore, after the part, used for forming the outer ring of the fan blade product, on the movable model cavity plate is set to be the independent core ring, the fan blade product can be completely separated from the movable model cavity plate through the straight jacking action of the core ring acting on the whole outer ring part, and the mold sticking is not easy to occur in the demolding process.

Drawings

Fig. 1 is a top view of an embodiment of the anti-sticking mold fan blade mold of the present invention.

Fig. 2 is a sectional view a-a of fig. 1.

Fig. 3 is an enlarged structural view at C in fig. 2.

Fig. 4 is a sectional view B-B of fig. 1.

Fig. 5 is a matching structure diagram of the straight-pushing mechanism, the moving mold cavity plate, the core ring, the fan blade product and the moving mold ejector rod in the embodiment of the anti-sticking mold fan blade mold of the utility model.

Fig. 6 is a matching structure diagram of the straight-pushing mechanism, the core ring and the movable mold ejector rod in the embodiment of the anti-sticking mold fan blade mold of the present invention.

The present invention will be further explained with reference to the drawings and examples.

Detailed Description

Referring to fig. 1 to 6, the utility model provides an antiseized mould flabellum mould includes fixed mould chamber board 1 and movable

mould chamber board

2, and 2 tops of movable mould chamber board are equipped with shaping district 21, and movable mould chamber board top 2 is equipped with core ring 3 in the shaping district 21 outside, and core ring 3 sets up shaping annular 31 in top surface inner edge department, and cover half chamber board 1 is equipped with at least three sets and core ring 3 complex straight ejection mechanism 4 in the bottom. The direct-ejecting mechanism 4 comprises a fixed mold ejector rod 41 capable of lifting and moving, the fixed mold ejector rod 41 penetrates through the fixed mold cavity plate 1, and the direct-ejecting mechanism 4 further comprises a reset assembly for connecting the fixed mold ejector rod 41 with the fixed mold cavity plate 1. The bottom end of the fixed mold ejector rod 41 is abutted against the top surface of the core ring 3, and the projection part of the bottom end of the fixed mold ejector rod 41 in the vertical direction falls in the molding ring groove 31.

On the fixed die cavity plate 1, the forming area 21 is used for forming the blade part of the fan blade product 6, and the core ring 3 is used for forming the outer ring part of the fan blade product 6, so that the part of the bottom end of the fixed die ejector rod 41, which is positioned in the forming ring groove 31 area, can participate in the local forming of the fan blade product 6, and the core ring 3 can limit the fixed die ejector rod 41 in a die assembly state, thereby ensuring the accuracy of the local shape and size of the die cavity. The outer ring of the fan blade product 6 can be conducted and dispersed to all positions of the product by external force, so that the straight top action point of the fixed die is arranged at the outer ring of the fan blade product 6, and the product is not easy to be crushed. When the mould is opened, the plurality of sets of straight ejection mechanisms 4 synchronously operate, the fixed mould ejector rods 41 on the fixed mould ejector rods can locally eject out the fixed mould cavity plate 1 under the action of the reset assembly and continuously abut against the outer ring of the fan blade product 6, so that the fan blade product 6 is stably ejected from the fixed mould cavity plate 1, and the mould sticking prevention effect on the fixed mould is realized. The reset component directly acts on the fixed mold mandril 41 and can drive the fixed mold mandril 41 to perform jacking action. The core component of the straight ejection mechanism 4 is a fixed mold ejector rod 41, and after the fixed mold ejector rod is matched with the reset assembly, more arrangement space is not needed in the horizontal direction, so that the fixed mold ejector rod is not easy to interfere with other inherent components on the fixed mold cavity plate 1, and the implementation is convenient.

The fixed mould cavity plate 1 is provided with a ladder mounting hole 11 matched with the straight ejection mechanism 4 in a penetrating mode, the ladder mounting hole 11 comprises a bolt connection section 11a and a middle section 11b with diameters decreasing in sequence from top to bottom and a guide section 11c matched with the fixed mould ejector rod 41, and the bolt connection section 11a is provided with internal threads on the inner wall. The middle part of the fixed mold ejector rod 41 is provided with a limiting convex ring 41a at the outer side, the fixed mold ejector rod 41 is sleeved with a limiting cap 41b above the limiting convex ring 41a, the reset assembly comprises a lower top spring 42 and a threaded connecting piece 43 arranged on the screwing section 11a, the lower top spring 42 and the limiting cap 41b are both positioned in the middle section 11b, the lower top spring 42 is sleeved on the fixed mold ejector rod 41, the top end of the lower top spring 42 is abutted to the threaded connecting piece 43, and the bottom end of the lower top spring 42 is abutted to the limiting cap 41 b.

The integral assembly of the straight-jacking mechanism 4 can be ensured only by arranging the stepped mounting hole 11 with three steps on the fixed model cavity plate 1, so that the arrangement space required by the straight-jacking mechanism 4 is less. The straight-pushing mechanism 4 has a small number of components, and the threaded connector 43 can also use a standard member such as a hexagon socket head cap screw, so that the implementation cost is low. The limiting convex ring 41a can limit the maximum lower top position of the fixed mold ejector rod 41, the fixed mold ejector rod 41 corresponds to the maximum upper top position when being completely retracted into the stepped mounting hole 11, and the bottom end of the fixed mold ejector rod 41 is flush with the top surface of the core ring 3 at the moment.

The threaded connecting piece 43 comprises a column body 43a, the outer side of the column body 43a is provided with an external thread matched with the threaded section 11a, the top surface of the column body 43a is provided with an avoiding through hole 43b along the axial direction, the horizontal section of the avoiding through hole 43b is a regular hexagon, and the distance between two parallel side surfaces in the avoiding through hole 43b is larger than the diameter of the fixed die ejector rod 41.

The thread connecting piece 43 takes a hexagon socket hole with a large size as an avoiding through hole 43b, can be disassembled and assembled by an inner hexagon wrench, and can also vacate a backspacing space for the fixed die ejector rod 41, so that the straight ejection mechanism 4 is easier to be arranged on the thin fixed die cavity plate 1.

The depth of the screw joint section 11a is greater than the thickness of the screw joint 43, and the screw joint section 11a is further provided with a check screw 44 above the screw joint 43.

If the screw-threaded section 11a is set deeper, the pretightening force of the lower spring 42 can be adjusted by changing the position of the screw-threaded connector 43 in the screw-threaded section 11a, and the screw-threaded connector 43 can be fixed at a preset position in the screw-threaded section 11a by introducing the anti-loosening screw 44.

At least three movable mold mandrils 5 are fixedly arranged at the bottom of the core ring 3, and the movable mold mandrils 5 are arranged on the movable mold cavity plate 2 in a penetrating way.

After the part, used for forming the outer ring of the fan blade product 6, on the movable model cavity plate 2 is set to be the independent core ring 3, the fan blade product 6 can completely separate from the movable model cavity plate 2 through the straight ejection action of the core ring 3 acting on the whole outer ring part, and the mold sticking is not easy to occur in the demolding process.

In the embodiment, 14 groups of straight jacking mechanisms 4 are arranged on the fixed

die cavity plate

1, 4 movable die ejector rods 5 are arranged aiming at the core ring 3, and the included angle between the top ends of two adjacent movable die ejector rods 5 and the central connecting line of the core ring 3 is 90 degrees. In this embodiment, the anti-loosening threaded member 44 includes an inner hexagonal through hole having the same side length as the cross section of the avoiding through hole 43b, and the fixed mold ejector rod 41 can also pass through the inner hexagonal through hole, and the anti-loosening threaded member 44 and the threaded connecting member 43 both adopt a stud standard member.

In conclusion, the anti-sticking fan blade mold can effectively prevent the movable mold and the fixed mold from sticking, and the straight ejection mechanism contained in the mold is easy to arrange on the cavity plate of the fixed mold and has lower implementation cost.

Claims

1. The utility model provides an antiseized mould flabellum mould, is including deciding model chamber board and moving model chamber board, moving model chamber board top is equipped with shaping district, its characterized in that:

the movable mould cavity plate top is in the shaping district outside is equipped with the core ring, the core ring sets up the shaping annular in top surface inner edge department, the fixed mould cavity plate bottom be equipped with at least three sets with core ring complex directly pushes up the mechanism, directly push up the mechanism and include the cover half ejector pin of liftable removal, the cover half ejector pin is worn to locate on the fixed mould cavity plate, directly push up the mechanism still including connecting the cover half ejector pin with the reset unit of fixed mould cavity plate, the cover half ejector pin in the bottom with the core ring top surface offsets, and the cover half ejector pin bottom in vertical ascending projection part fall in the shaping annular.

2. The anti-mold fan blade mold of claim 1, wherein:

run through on the cover half model cavity plate set up with direct top mechanism complex ladder mounting hole, the ladder mounting hole from last to including diameter degressive spiro union section, interlude in proper order down and with cover half ejector pin complex direction section, the spiro union section is equipped with the internal thread on the inner wall, cover half ejector pin middle part sets up spacing bulge loop in the outside, the cover half ejector pin is in spacing bulge loop top cover is equipped with stop cap, reset assembly include down the top spring and adorn in threaded connection spare on the spiro union section, down the top spring with stop cap all is located in the interlude, down the top spring housing locate on the cover half ejector pin, down the top spring top with the threaded connection spare butt, down the top spring bottom with the stop cap butt.

3. The anti-mold fan blade mold of claim 2, wherein:

the threaded connection spare includes the cylinder, the cylinder outside be equipped with spiro union section complex external screw thread, the cylinder top surface is equipped with along the axial and dodges the through-hole, the horizontal cross-section of dodging the through-hole is regular hexagon, dodge the interval of two parallel sides in the through-hole and be greater than the diameter of cover half ejector pin.

4. The anti-mold fan blade mold of claim 3, wherein:

the depth of the screw joint section is greater than the thickness of the threaded connection piece, and the screw joint section is provided with a locking threaded piece above the threaded connection piece.

5. An anti-adhesive fan blade mould as claimed in any one of claims 1 to 4, wherein:

at least three movable mold ejector rods are fixedly arranged at the bottom of the core ring, and the movable mold ejector rods penetrate through the movable mold cavity plate.