CN220741957U - Friction block structure mold with guiding function - Google Patents

Abstract

The utility model relates to the technical field of dies and discloses a friction block structure die with a guiding function, wherein a guide rod is detachably arranged in the middle of the bottom surface of an upper die, two limiting blocks are detachably arranged right below the guide rod on the top surface of a lower die, a bottom plate is detachably arranged right below the top surface of the lower die between the two limiting blocks, a friction block is slidably arranged on the top surface of the bottom plate and between the two limiting blocks, the friction block slides back and forth between the two limiting blocks, one end of the friction block is abutted against a die core, an inclined hole is formed in the top surface of the friction block, and the inclined hole and the guide rod are in vertical corresponding relation. The guide rod is matched with the limiting block, the bottom plate and the inclined hole to guide and move the friction block, so that fluctuation of the friction block in motion is greatly reduced, and the dimensional accuracy of a die-cast product is improved; and the limiting block, the bottom plate and the guide rod are all installed by adopting screw connection, so that the disassembly and the replacement are convenient.

Description

Friction block structure mold with guiding function

Technical Field

The utility model relates to the technical field of dies, in particular to a friction block structure die with a guiding function.

Background

For conventional common molds, particularly molds provided with slides, it is common, for example, to name a "locally pressurized mold" (publication number: CN104907525 a) as shown. However, in the conventional common die, due to inaccurate guiding, the fluctuation of the movement of the sliding block is large in the core pulling process of the product, and the dimensional accuracy of the die-cast product is low, so that the product is easy to generate weak deformation under the uncooled condition, and the technical requirements of customers cannot be met for the product with high precision.

Disclosure of Invention

In order to overcome the above-mentioned drawbacks of the prior art, the present utility model provides a friction block structure mold with guiding function, so as to solve the above-mentioned problems in the prior art.

The utility model provides the following technical scheme: the utility model provides a friction block structure mould with guiding effect, includes mould and lower mould and injection molding mouth, and the top surface middle part is provided with the injection molding mouth, and injection molding mouth is linked together with the mold core, the bottom surface middle part demountable installation of going up the mould has a guide bar, demountable installation has two stoppers under the top surface of lower mould is located the guide bar, demountable installation has a bottom plate under the top surface of lower mould is located between two stoppers, the top surface of bottom plate and with two stoppers between slidable installation have a friction block, the friction block slides back and forth between two stoppers, and the one end butt mold core of friction block, an inclined hole has been seted up to the top surface of friction block, and the inclined hole is upper and lower correspondence with the guide bar.

Preferably, the limiting blocks are in a 'structure', and the two limiting blocks are symmetrically arranged to form a convex sliding groove.

Preferably, the friction block comprises a sliding block at the top of the sliding chute, the friction block further comprises an abutting block fixedly installed at the front end of the sliding block, the abutting block is in abutting contact with the mold core, and the friction block further comprises a bottom edge protruding block sliding at the bottom of the sliding chute.

Preferably, a through hole is formed in the front end of the sliding block, a spring is arranged in the through hole, and one end of the spring protrudes out of the through hole to be abutted against the mold core.

Preferably, the top surface of the lower die is positioned at the back of the two limiting blocks and is detachably provided with a stop block.

Preferably, the guide rod and the inclined hole are both inclined, and the inclined radian is matched.

The utility model has the technical effects and advantages that:

1. according to the die casting device, when the upper die descends and the lower die is matched, the upper die drives the guide rod to gradually move downwards, at the moment, the guide rod is inserted into the inclined hole formed in the top of the friction block, and as the guide rod is inclined, the friction block gradually moves towards the die core along with the slow downward movement of the guide rod until the upper die is tightly attached to the lower die to enable one end of the friction block to be abutted to the die core, so that the guide rod is matched with the limiting block, the bottom plate and the inclined hole to guide and move the friction block during the die matching, the fluctuation of the friction block during the movement is greatly reduced, and the dimensional accuracy of a die casting product is improved; and the limiting block, the bottom plate and the guide rod are all installed by adopting screw connection, so that the disassembly and the replacement are convenient.

2. According to the utility model, the through hole is formed in the front end of the sliding block, the spring is arranged in the through hole, and when the abutting block contacts the mold core under the elastic action of the spring, the spring plays a role in buffering, so that the abutting block slowly contacts the abutting mold core, the contact impact force between the abutting block and the mold core is reduced, and the abrasion between the abutting block and the mold core is reduced; and meanwhile, when demoulding, the friction block can be reset under the elastic action of the spring and is abutted, so that the friction block is prevented from displacement and offset to affect the next mould closing.

Drawings

Fig. 1 is a schematic diagram of the overall structure of the present utility model.

Fig. 2 is a schematic diagram of the installation of the upper and lower dies of the present utility model.

Fig. 3 is a schematic view of a friction block mounting structure according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure of fig. 2 a according to the present utility model.

Fig. 5 is a schematic structural view of a friction block according to the present utility model.

Fig. 6 is a schematic cross-sectional structure of the present utility model.

The reference numerals are: 1. an upper die; 2. a lower die; 3. an injection molding port; 4. a limiting block; 5. a friction block; 51. a slide block; 52. an abutment block; 53. a bottom side bump; 54. inclined holes; 6. a bottom plate; 7. a spring; 8. a stop block; 9. a chute; 10. a mold core; 11. a guide rod.

Detailed Description

The embodiments of the present utility model will be clearly and completely described below with reference to the drawings in the present utility model, and the form of each structure described in the following embodiments is merely an example, and the friction block structural mold with guiding function according to the present utility model is not limited to each structure described in the following embodiments, and all other embodiments obtained by a person skilled in the art without any inventive effort are within the scope of the present utility model.

The utility model provides a friction block structure mold with a guiding function, which is shown in fig. 1-6, and comprises an upper mold 1, a lower mold 2 and an injection molding opening 3, wherein the injection molding opening 3 is arranged in the middle of the top surface, the injection molding opening 3 is communicated with a mold core 10, a guide rod 11 is detachably arranged in the middle of the bottom surface of the upper mold 1, two limiting blocks 4 are detachably arranged right below the guide rod 11 on the top surface of the lower mold 2, a bottom plate 6 is detachably arranged right below the upper surface of the lower mold 2 between the two limiting blocks 4, a friction block 5 is slidably arranged on the top surface of the bottom plate 6 and between the two limiting blocks 4, the friction block 5 slides back and forth between the two limiting blocks 4, one end of the friction block 5 is abutted against the mold core 10, an inclined hole 54 is formed in the top surface of the friction block 5, the inclined hole 54 and the guide rod 11 are in vertical correspondence, and the guide rod 11 and the inclined hole 54 are in inclined radian fit;

the stopper 4 is "structure", and two stoppers 4 symmetry sets up the spout 9 that forms a "protruding" shape, and the clutch blocks 5 include the slider 51 at slip spout 9 top, and the clutch blocks 5 still include fixed mounting at the butt piece 52 of slider 51 front end, and butt piece 52 and mold core 10 butt contact, and the clutch blocks 5 still include the base lug 53 of sliding in spout 9 bottom.

When the upper die 1 descends and the lower die 2 is clamped, the upper die 1 drives the guide rod 11 to gradually move downwards, at the moment, the guide rod 11 is inserted into the inclined hole 54 formed in the top of the friction block 5, and as the guide rod 11 is inclined, the friction block 5 gradually moves towards the die core 10 along with the slow downward movement of the guide rod 11 until the upper die 1 is tightly attached to the lower die 2 so that one end of the friction block 5 is abutted to the die core 10, so that the guide rod 11 is matched with the limiting block 4, the bottom plate 6 and the inclined hole 54 to guide and move the friction block 5 during clamping, fluctuation of the friction block 5 during movement is greatly reduced, and the dimensional accuracy of a die-cast product is improved; and the limiting block 4, the bottom plate 6 and the guide rod 11 are all installed by adopting screw connection, so that the disassembly and the replacement are convenient.

A through hole is formed in the front end of the sliding block 51, a spring 7 is arranged in the through hole, one end of the spring 7 protrudes out of the through hole to be abutted against the mold core 10, and when the abutting block 52 contacts the mold core 10 under the elastic action of the spring 7, the buffering action is achieved, so that the abutting block 52 slowly contacts the abutting mold core 10, the contact impact force between the abutting block 52 and the mold core 10 is reduced, and abrasion between the abutting block 52 and the mold core 10 is reduced; meanwhile, during demolding, the friction block 5 can be reset under the elastic action of the spring 7, and the friction block 5 is abutted, so that the friction block 5 is prevented from displacement and offset to affect the next mold closing.

The top surface of lower mould 2 is located the back demountable installation of two stopper 4 and has a dog 8, and dog 8 is used for prescribing a limit to the sliding distance of friction block 5 on two stopper 4 and bottom plate 6, avoids stopper 4 to break away from lower mould 2 because of drawing of patterns or spring 7's elasticity.

The last points to be described are: first, in the description of the present application, it should be noted that, unless otherwise specified and defined, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be mechanical or electrical, or may be a direct connection between two elements, and "upper," "lower," "left," "right," etc. are merely used to indicate relative positional relationships, which may be changed when the absolute position of the object being described is changed;

secondly: in the drawings of the disclosed embodiments, only the structures related to the embodiments of the present disclosure are referred to, and other structures can refer to the common design, so that the same embodiment and different embodiments of the present disclosure can be combined with each other under the condition of no conflict;

finally: the foregoing description of the preferred embodiments of the utility model is not intended to limit the utility model to the precise form disclosed, and any such modifications, equivalents, and alternatives falling within the spirit and principles of the utility model are intended to be included within the scope of the utility model.

Claims (6)

1. The utility model provides a friction block structure mould with guiding effect, includes mould (1) and lower mould (2) and injection molding mouth (3), and the top surface middle part is provided with injection molding mouth (3), and injection molding mouth (3) are linked together its characterized in that with mold core (10): the utility model discloses a guide bar (11) is detachably installed in bottom surface middle part of last mould (1), the top surface of lower mould (2) is located two stopper (4) of detachable under guide bar (11), the top surface of lower mould (2) is located two bottom plate (6) of detachable under between stopper (4), the top surface of bottom plate (6) and with two stopper (4) between slidable mounting have a friction disc (5), friction disc (5) slide back and forth between two stopper (4), and one end butt mold core (10) of friction disc (5), inclined hole (54) have been seted up to the top surface of friction disc (5), and inclined hole (54) are upper and lower correspondence with guide bar (11).

2. The friction block structure die with guiding function as defined in claim 1, wherein: the limiting blocks (4) are of a 'structure', and the two limiting blocks (4) are symmetrically arranged to form a convex sliding groove (9).

3. The friction block structure die with guiding function as defined in claim 1, wherein: the friction block (5) comprises a sliding block (51) at the top of the sliding chute (9), the friction block (5) further comprises an abutting block (52) fixedly installed at the front end of the sliding block (51), the abutting block (52) is in abutting contact with the mold core (10), and the friction block (5) further comprises a bottom edge convex block (53) sliding at the bottom of the sliding chute (9).

4. A friction block construction mold having a guiding function according to claim 3, wherein: the front end of the sliding block (51) is provided with a through hole, a spring (7) is arranged in the through hole, and one end of the spring (7) protrudes out of the through hole and is abutted to the mold core (10).

5. The friction block structure die with guiding function as defined in claim 1, wherein: the top surface of the lower die (2) is positioned at the back parts of the two limiting blocks (4), and a stop block (8) is detachably arranged.

6. The friction block structure die with guiding function as defined in claim 1, wherein: the guide rod (11) and the inclined hole (54) are inclined, and the inclined radian is matched.