CN212312643U

CN212312643U - Secondary core-pulling die for barrel body

Info

Publication number: CN212312643U
Application number: CN202020467827.4U
Authority: CN
Inventors: 张磊
Original assignee: Yuyao Craftsman Mould Co ltd
Current assignee: Yuyao Craftsman Mould Co ltd
Priority date: 2020-04-02
Filing date: 2020-04-02
Publication date: 2021-01-08
Anticipated expiration: 2030-04-02

Abstract

The utility model discloses a barrel body secondary core-pulling die, which comprises a top plate, a frame body, side grooves, a push plate, a floating plate, a bottom plate, an upper die core, a lower die insert, a lower die core, a first slide block, a second slide block, a third slide block, a fourth slide block and a guide chute, wherein the barrel body secondary core-pulling die pulls an end seat outwards, the end seat drives a guide sliding frame to slide outwards on the frame body through a notch, so that a pressing column on a connecting end does not extrude the buckle any more, the lower die frame loosens the product, the purpose of primary core-pulling is achieved, the outer frame moves upwards, the outer frame does not extrude and limit the first slide block, the second slide block, the third slide block and the fourth slide block, the first slide block, the second slide block, the third slide block and the fourth slide block loosen the product in clamping, the purpose of secondary core-pulling is achieved, the die adopts secondary core-pulling to avoid the product from being scratched or broken, the product quality is damaged, and the rejection rate of the product is reduced.

Description

Secondary core-pulling die for barrel body

Technical Field

The utility model relates to the technical field of mold, specifically be a staving secondary loose core mould.

Background

The mould is various moulds and tools for obtaining required products by injection molding, blow molding, extrusion, die casting or forging forming, smelting, stamping and other methods in industrial production. In short, a mold is a tool used to make a shaped article, the tool being made up of various parts, different molds being made up of different parts. The method realizes the processing of the shape of an article mainly by changing the physical state of a formed material, and enables a blank to be a tool of a workpiece with a specific shape and size under the action of external force. The method is widely applied to blanking, die forging, cold heading, extrusion, powder metallurgy part pressing, pressure casting and the forming processing of compression molding or injection molding of products such as engineering plastics, rubber, ceramics and the like.

However, in the existing external core-pulling of the injection mold, a mechanical or hydraulic core-pulling mechanism is generally adopted, and the demolding is completed by one-step core-pulling. When the contact part area of the slide block insert and the product is large, if one-time forced core pulling is adopted, the product is subjected to broaching or even breakage, so that the product quality is damaged, and the rejection rate is increased.

Disclosure of Invention

An object of the utility model is to provide a staving secondary loose core mould adopts the secondary to loose core, avoids the product to take place to draw the flower or to break, leads to product quality impaired, reduces the disability rate of product, can solve the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: a secondary core-pulling die for a barrel comprises a top plate, a frame body, a side groove, a push plate, a floating plate, a bottom plate, an upper die core, a lower die insert, a lower die core, a first slide block, a second slide block, a third slide block, a fourth slide block and a guide sliding groove, the bottom end of the top plate is provided with a frame body, the bottom end of the frame body is fixedly arranged on the bottom plate, two sides of the frame body are provided with side grooves, a push plate is arranged below the side groove, a floating plate is arranged below the push plate, an upper die core is arranged below the top plate, a lower die insert is arranged below the upper die core, a lower die core is arranged below the lower die insert, a first slide block is arranged on one side of the lower die insert, a second slide block is arranged on one side of the first slide block, a third slide block is arranged on one side of the second slide block far away from the first slide block, and a fourth sliding block is arranged on one side, away from the second sliding block, of the third sliding block, and a guide sliding groove is formed in the outer side of the fourth sliding block.

Preferably, the upper die core comprises an outer frame, an outer die cavity, a fixing seat and a clamping plate, the outer die cavity is formed in the outer frame, the fixing seat is arranged at the bottom of the outer die cavity, and the clamping plate is arranged in the outer die cavity.

Preferably, the lower die insert comprises a lower die frame, a slot, a buckle and a lower die holder, the slot is formed in one side of the lower die frame, the buckle is fixedly connected to the outer side of the lower die frame, and the lower die holder is fixedly connected to the bottom end of the lower die frame.

Preferably, the guide sliding groove comprises a guide sliding frame, a connecting end, a notch and an end seat, the connecting end is fixedly connected with one end of the guide sliding frame, the notch is formed in the guide sliding frame, and the end seat is fixedly connected with one end of the guide sliding frame far away from the connecting end.

Preferably, one side of the fourth sliding block, which is far away from the third sliding block, is provided with a first sliding block.

Preferably, the top end of the lower mold frame is in contact with the bottom end of the fixed seat.

Preferably, the push plate is positioned below the lower die core.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses staving secondary loose core mould, during the die sinking, through bolt to on the end base not hard up, outside pulling end base, end base drives the smooth frame of leading and passes through the notch and outwards slide in the framework, make the support compression leg on the link no longer extrude the buckle, make the lower mould frame produce not hard up to the product, reach the purpose of loosing core for the first time, lower mould frame is relieved the extrusion back to the product, the frame rebound, make the frame no longer to first slider, the second slider, third slider and fourth slider extrude spacingly, make first slider, the second slider, third slider and fourth slider produce not hard up to the product in the centre gripping, realize the purpose of loosing core for the second time, this mould adopts the secondary to loose core, avoid the product to take place to draw the flower or stretch out, lead to product quality impaired, reduce the disability rate of product.

Drawings

Fig. 1 is a cross-sectional view of the present invention;

FIG. 2 is a schematic structural view of the upper mold insert of the present invention;

FIG. 3 is a schematic structural view of the lower mold insert of the present invention;

fig. 4 is a schematic structural view of the slide guide groove of the present invention.

In the figure: 1. a top plate; 2. a frame body; 3. a side groove; 4. pushing the plate; 5. a floating plate; 6. a base plate; 7. an upper die core; 71. an outer frame; 72. an outer mold cavity; 73. a fixed seat; 74. a clamping plate; 8. a lower die insert; 81. a lower mold frame; 82. grooving; 83. buckling; 84. a lower die holder; 9. a lower die core; 10. a first slider; 11. a second slider; 12. a third slider; 13. a fourth slider; 14. a guide chute; 141. a slide guiding frame; 142. a connecting end; 143. a notch; 144. and a terminal seat.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, a barrel secondary core pulling mold comprises a top plate 1, a frame 2, side grooves 3, a push plate 4, a floating plate 5, a bottom plate 6, an upper mold core 7, a lower mold insert 8, a lower mold core 9, a first slide block 10, a second slide block 11, a third slide block 12, a fourth slide block 13 and a guide sliding groove 14, wherein the bottom end of the top plate 1 is provided with the frame 2, the bottom end of the frame 2 is fixedly installed on the bottom plate 6, the side grooves 3 are formed in two sides of the frame 2, the push plate 4 is arranged below the side grooves 3, the floating plate 5 is arranged below the push plate 4, the upper mold core 7 is arranged below the upper mold core 7, the lower mold insert 8 is arranged below the lower mold insert 8, the push plate 4 is positioned below the lower mold core 9, the first slide block 10 is arranged on one side of the lower mold insert 8, the second slide block 11 is arranged on one side of the first slide block 10, the second slide block 11, a fourth slider 13 is arranged on one side of the third slider 12 far away from the second slider 11, a first slider 10 is arranged on one side of the fourth slider 13 far away from the third slider 12, a guide chute 14 is arranged on the outer side of the fourth slider 13, the upper mold core 7 comprises an outer frame 71, an outer mold cavity 72, a fixing seat 73 and a clamping plate 74, the outer mold cavity 72 is arranged in the outer frame 71, the fixing seat 73 is arranged at the bottom of the outer mold cavity 72, the clamping plate 74 is arranged in the outer mold cavity 72, the lower mold insert 8 comprises a lower mold frame 81, a groove 82, a buckle 83 and a lower mold seat 84, the top end of the lower mold frame 81 is in contact with the bottom end of the fixing seat 73, the groove 82 is arranged on one side of the lower mold frame 81, the buckle 83 is fixedly connected to the outer side of the lower mold frame 81, the bottom end of the lower mold frame 81 is fixedly connected with the lower mold seat 84, and after the lower mold frame 81 releases the extrusion, The third sliding block 12 and the fourth sliding block 13 are extruded and limited, so that the first sliding block 10, the second sliding block 11, the third sliding block 12 and the fourth sliding block 13 loosen the product in clamping, and the purpose of secondary core pulling is achieved.

Referring to fig. 4, the sliding guide groove 14 includes a sliding guide frame 141, a connecting end 142, a notch 143, and an end seat 144, where one end of the sliding guide frame 141 is fixedly connected to the connecting end 142, the inside of the sliding guide frame 141 is provided with the notch 143, and one end of the sliding guide frame 141, which is far away from the connecting end 142, is fixedly connected to the end seat 144, when the mold is opened, the end seat 144 is pulled outwards by loosening a bolt on the end seat 144, and the end seat 144 drives the sliding guide frame 141 to slide outwards on the frame body 2 through the notch 143, so that a pressing column on the connecting end 142 does not extrude the buckle 83 any more, and the lower mold frame 81 loosens the loose core-pulling product, thereby achieving the purpose of the first.

The working principle is as follows: when the mold is opened, the bolt on the end seat 144 is loosened, the end seat 144 is pulled outwards, the end seat 144 drives the guide sliding frame 141 to slide outwards on the frame body 2 through the notch 143, so that the pressing column on the connecting end 142 does not extrude the buckle 83 any more, the lower mold frame 81 is loosened to the product, and the purpose of pulling the core for the first time is achieved.

In summary, the following steps: when the mold is opened, the secondary core-pulling mold for barrel body of the utility model loosens the bolt on the end seat 144, pulls the end seat 144 outwards, the end seat 144 drives the slide guiding frame 141 to slide outwards on the frame body 2 through the notch 143, so that the pressing column on the connecting end 142 does not extrude the buckle 83 any more, the lower mold frame 81 loosens the product, the purpose of the first core-pulling is achieved, after the lower mold frame 81 releases the extrusion to the product, the outer frame 71 moves upwards, so that the outer frame 71 does not extrude and limit the first slide block 10, the second slide block 11, the third slide block 12 and the fourth slide block 13 any more, the first slide block 10, the second slide block 11, the third slide block 12 and the fourth slide block 13 loosen the product in clamping, and the purpose of secondary core pulling is realized, the mold adopts secondary core pulling, so that the phenomenon that the product is scratched or broken to cause damage to the product quality is avoided, and the rejection rate of the product is reduced.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a staving secondary loose core mould, includes roof (1), framework (2), side slot (3), push pedal (4), floating plate (5), bottom plate (6), goes up mould benevolence (7), lower mould mold insert (8), lower mould benevolence (9), first slider (10), second slider (11), third slider (12), fourth slider (13) and leads spout (14), its characterized in that: the bottom end of the top plate (1) is provided with a frame body (2), the bottom end of the frame body (2) is fixedly installed on a bottom plate (6), side grooves (3) are formed in two sides of the frame body (2), a push plate (4) is arranged below the side grooves (3), a floating plate (5) is arranged below the push plate (4), an upper mold insert (7) is arranged below the top plate (1), a lower mold insert (8) is arranged below the upper mold insert (7), a lower mold insert (9) is arranged below the lower mold insert (8), a first slide block (10) is arranged on one side of the lower mold insert (8), a second slide block (11) is arranged on one side of the first slide block (10), a third slide block (12) is arranged on one side of the second slide block (11) far away from the first slide block (10), and a fourth slide block (13) is arranged on one side of the third slide block (12) far away from, and a guide chute (14) is arranged on the outer side of the fourth sliding block (13).

2. The barrel body secondary core pulling mold as claimed in claim 1, characterized in that: the upper die core (7) comprises an outer frame (71), an outer die groove (72), a fixing seat (73) and a clamping plate (74), the outer die groove (72) is formed in the outer frame (71), the fixing seat (73) is arranged at the bottom of the outer die groove (72), and the clamping plate (74) is arranged in the outer die groove (72).

3. The barrel body secondary core pulling mold as claimed in claim 1, characterized in that: the lower die insert (8) comprises a lower die frame (81), a slot (82), a buckle (83) and a lower die holder (84), the slot (82) is formed in one side of the lower die frame (81), the buckle (83) is fixedly connected to the outer side of the lower die frame (81), and the lower die holder (84) is fixedly connected to the bottom end of the lower die frame (81).

4. The barrel body secondary core pulling mold as claimed in claim 1, characterized in that: the guide sliding groove (14) comprises a guide sliding frame (141), a connecting end (142), a notch (143) and a tail end seat (144), the connecting end (142) is fixedly connected with one end of the guide sliding frame (141), the notch (143) is formed in the guide sliding frame (141), and the tail end seat (144) is fixedly connected with one end of the guide sliding frame (141) far away from the connecting end (142).

5. The barrel body secondary core pulling mold as claimed in claim 1, characterized in that: and a first sliding block (10) is arranged on one side, away from the third sliding block (12), of the fourth sliding block (13).

6. The barrel body secondary core pulling mold as claimed in claim 3, wherein: the top end of the lower die frame (81) is in contact with the bottom end of the fixed seat (73).

7. The barrel body secondary core pulling mold as claimed in claim 1, characterized in that: the push plate (4) is positioned below the lower die core (9).