CN214395018U - Plastic mold with ejection structure - Google Patents

Abstract

The utility model relates to the technical field of plastic molds, in particular to a plastic mold with an ejection structure, which comprises a base and a support, wherein the support is fixed above the base, an upper mold base is arranged at the middle part in the support, the right end above the inner wall of the support is rotatably connected with a driving gear, the left end of the driving gear is engaged with a driven gear, a first electric push rod is arranged at the left side and the right side below the driven gear, a disc is arranged between the lower parts of two electric push rods, the disc is connected with the power output end of the first electric push rod, chutes are arranged at the left side and the right side below the disc, sliders extending out of notches of the chutes are slidably connected inside the chutes, a second electric push rod positioned outside the sliders is arranged inside the chutes, the sliders are connected with the power output end of the second electric push rod, scrapers are fixed at the bottom ends of the sliders, a trough positioned right below the upper mold base is arranged above the base, and a groove communicated with the trough is arranged at the middle part below the base; the beneficial effects of the utility model reside in that: can alleviate product deckle edge, and make things convenient for the drawing of patterns.

Description

Plastic mold with ejection structure

Technical Field

The utility model relates to a plastic mould technical field especially relates to a plastic mould that possesses ejecting structure.

Background

The plastic mold is a short name for a combined mold used for compression molding, extrusion molding, injection, blow molding and low-foaming molding. The coordination change of the male die, the female die and the auxiliary forming system of the die can process a series of plastic parts with different shapes and sizes.

When the plastic mold is used for processing plastic products, the plastic products are easy to adhere to the inner wall of the trough after being molded, so that not only is the demolding inconvenient, but also a large amount of burrs are easy to appear on the products after demolding, the demolding efficiency and the product quality are affected, and for this purpose, the plastic mold with the ejection structure is provided to solve the technical problem.

SUMMERY OF THE UTILITY MODEL

The utility model provides a plastic mould that possesses ejecting structure, this kind of plastic mould that possesses ejecting structure can alleviate product deckle edge, and makes things convenient for the drawing of patterns to solve the problem that above-mentioned background art provided.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a plastic mold with an ejection structure comprises a base and a support, wherein the support is fixed above the base;

an upper die base is arranged in the middle of the inside of the support, a driving gear is rotatably connected to the right end above the inner wall of the support, a driven gear is meshed with the left end of the driving gear, electric push rods I are mounted on the left and right sides below the driven gear, a disc is arranged between the lower portions of the two electric push rods, the disc is connected with the power output end of the electric push rod I, sliding grooves are formed in the left and right sides below the disc, sliding blocks extending out of notches of the sliding grooves are connected in a sliding mode inside the sliding grooves, electric push rods II located on the outer sides of the sliding blocks are mounted inside the sliding grooves, the sliding blocks are connected with the power output end of the electric push rods II, and scraping plates are fixed to the bottom ends of the sliding blocks;

the improved die is characterized in that a trough located right below the upper die base is arranged above the base, a groove communicated with the trough is formed in the middle of the lower portion of the base, a moving plate is connected to the lower portion inside the groove in a sliding mode, top posts are fixed to the left side and the right side of the top end of the moving plate, and springs are sleeved outside the top posts.

Further, an air cylinder is installed in the middle of the upper portion of the inner wall of the upper die base, and the upper die base is connected with a power output end of the air cylinder.

Further, the motor that is located directly over the driving gear is installed on the support top, the motor below is equipped with the pivot of being connected rather than power take off end, the pivot below is run through the support and is fixed with the driving gear.

Further, the driving gear is connected with the support in a rotating mode, the driven gear is connected to the outside of the air cylinder in a sleeved mode, the disc is connected to the outside of the upper die base in a sleeved mode, and the sliding groove is located on the outer side of the upper die base.

Furthermore, a limiting rod positioned above the second electric push rod is fixed inside the sliding groove, and penetrates through the sliding block and is in sliding connection with the sliding block.

Further, the top end of the spring is fixed to the top of the inner wall of the groove, the bottom end of the spring is fixed to the upper portion of the moving plate, and the top column penetrates into the trough.

Compared with the prior art, the utility model discloses the beneficial effect who realizes:

the scraping plate is arranged and can rotate in the trough, so that the situation that the material is adhered to the inner wall of the trough to influence demoulding can be avoided, burrs of the material can be effectively reduced, the quality of the material is improved, and the material can be conveniently jacked up by arranging the jacking column so as to facilitate demoulding, so that the demoulding efficiency is improved;

through setting up the spring, when can go up the back unclamping of pushing away the board, make the spring that is in compression state drive and move the board and move down to reset to make the fore-set move down to reset, so that reuse.

Drawings

FIG. 1 is a schematic view of the overall front view cross-sectional structure of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a in fig. 1 according to the present invention;

FIG. 3 is a schematic view of the working structure of the present invention;

fig. 4 is a partially enlarged view of the point B in fig. 3 according to the present invention.

The labels in the figure are: 1-a base; 2-a scaffold; 3-an upper die holder; 4-a cylinder; 5-a disc; 6, a motor; 7-a rotating shaft; 8-a drive gear; 9-a driven gear; 10-electric push rod one; 11-a chute; 12-a slide block; 13-electric push rod II; 14-a limiting rod; 15-a scraper; 16-a trough; 17-a groove; 18-moving the plate; 19-a top pillar; 20-spring.

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.

Please refer to fig. 1 to 4:

a plastic mould with an ejection structure comprises a base 1 and a bracket 2, wherein the bracket 2 is fixed above the base 1;

an upper die holder 3 is arranged in the middle of the inside of a support 2, a driving gear 8 is rotatably connected to the right end of the upper portion of the inner wall of the support 2, a driven gear 9 is meshed with the left end of the driving gear 8, electric push rods 10 are mounted on the left side and the right side below the driven gear 9, a disc 5 is arranged between the lower portions of the two electric push rods 10, the disc 5 is connected with the power output end of the electric push rod 10, chutes 11 are formed in the left side and the right side below the disc 5, sliding blocks 12 extending out of notches of the chutes 11 are connected inside the chutes 11 in a sliding mode, electric push rods two 13 located on the outer sides of the sliding blocks 12 are mounted inside the chutes 11, the sliding blocks 12 are connected with the power output end of the electric push rods two 13, and scrapers 15 are fixed to the bottom ends of the sliding blocks 12; the middle part above the inner wall of the upper die holder 3 is provided with a cylinder 4, and the upper die holder 3 is connected with the power output end of the cylinder 4; the top end of the bracket 2 is provided with a motor 6 positioned right above the driving gear 8, a rotating shaft 7 connected with a power output end of the motor 6 is arranged below the motor 6, and the lower part of the rotating shaft 7 penetrates through the bracket 2 and is fixed with the driving gear 8; the driving gear 8 is rotationally connected with the support 2, the driven gear 9 is sleeved outside the cylinder 4, the disc 5 is sleeved outside the upper die holder 3, and the chute 11 is positioned outside the upper die holder 3; a limiting rod 14 positioned above the second electric push rod 13 is fixed inside the sliding chute 11, and the limiting rod 14 penetrates through the sliding block 12 and is in sliding connection with the sliding block;

a trough 16 positioned right below the upper die holder 3 is arranged above the base 1, a groove 17 communicated with the trough 16 is arranged in the middle of the lower part of the base 1, a moving plate 18 is connected to the lower part of the inner part of the groove 17 in a sliding manner, top posts 19 are fixed on the left side and the right side of the top end of the moving plate 18, and springs 20 are sleeved outside the top posts 19; the top end of the spring 20 is fixed with the top of the inner wall of the groove 17, the bottom end of the spring 20 is fixed above the moving plate 18, and the top column 19 penetrates into the trough 16;

when in processing, a material is placed into the trough 16, the upper die base 3 is moved downwards into the trough 16 by the cylinder 4 to realize processing, the upper die base 3 is moved upwards to reset by the cylinder 4 after the material is formed, then the electric push rod I10 pushes the slide block 12 to horizontally move inwards along the limiting rod 14, so that the scraping plate 15 moves inwards, the electric push rod I10 pushes the disc 5 to move downwards, the scraping plate 15 moves into the trough 16, the motor 6 drives the rotating shaft 7 to drive the driving gear 8 to rotate, the driving gear 8 rotates, the driven gear 9 drives the electric push rod I10 to rotate the disc 5, so that the scraping plate 15 rotates in the trough 16 to separate the product from the inner side wall of the trough 16, the ejection column 19 moves into the trough 16 by the upward movement plate 18 to eject the product, then the product is taken out to finish demoulding, the scraping plate 15 is arranged, the scraping plate 15 can rotate in the trough 16, and the influence of the demoulding caused by the adhesion of the product to the inner wall of the trough 16 can be avoided, burrs of the product can be effectively reduced, the quality of the product is improved, and the product is conveniently jacked up by arranging the jacking column 19 so as to be convenient for demoulding, so that the demoulding efficiency is improved;

specifically, the moving plate 18 moves upwards to press the spring 20 to contract, after the product is demoulded, the user releases the moving plate 18, the spring 20 in the compressed state drives the moving plate 18 to move downwards to reset, so that the top column 19 moves downwards to reset, and the product can be used again.

It should be understood that any modification, equivalent replacement, and improvement made within the spirit and principles of the present invention should be included within the scope of the present invention.

Claims (6)

1. The utility model provides a plastic mould that possesses ejecting structure, includes base (1) and support (2), support (2) are fixed in base (1) top, its characterized in that:

an upper die holder (3) is arranged at the middle part in the bracket (2), a driving gear (8) is rotatably connected at the right end above the inner wall of the bracket (2), a driven gear (9) is meshed at the left end of the driving gear (8), electric push rods (10) are respectively arranged at the left side and the right side below the driven gear (9), a disc (5) is arranged between the two electric push rods (10), the disc (5) is connected with the power output end of the first electric push rod (10), sliding grooves (11) are formed in the left side and the right side below the disc (5), a slide block (12) extending out of the notch of the sliding chute (11) is connected inside the sliding chute in a sliding way, a second electric push rod (13) positioned outside the sliding block (12) is arranged in the sliding groove (11), the sliding block (12) is connected with the power output end of the second electric push rod (13), and a scraping plate (15) is fixed at the bottom end of the sliding block (12);

base (1) top is opened there is silo (16) that is located under upper die base (3), open base (1) below middle part have with communicating recess (17) of silo (16), recess (17) inside below sliding connection has and moves board (18), it all is fixed with fore-set (19) all to move the board (18) top left and right sides, spring (20) have been cup jointed to fore-set (19) outside.

2. The plastic mold with ejection structure as claimed in claim 1, wherein: the air cylinder (4) is installed in the middle of the upper portion of the inner wall of the upper die base (3), and the upper die base (3) is connected with the power output end of the air cylinder (4).

3. The plastic mold with ejection structure as claimed in claim 1, wherein: the motor (6) that is located directly over driving gear (8) is installed on support (2) top, motor (6) below is equipped with pivot (7) rather than power take off end connection, it is fixed with driving gear (8) to run through support (2) below pivot (7).

4. The plastic mold with ejection structure as claimed in claim 1, wherein: the driving gear (8) is rotationally connected with the support (2), the driven gear (9) is sleeved outside the cylinder (4), the disc (5) is sleeved outside the upper die base (3), and the sliding groove (11) is located on the outer side of the upper die base (3).

5. The plastic mold with ejection structure as claimed in claim 1, wherein: and a limiting rod (14) positioned above the second electric push rod (13) is fixed inside the sliding groove (11), and the limiting rod (14) penetrates through the sliding block (12) and is in sliding connection with the sliding block.

6. The plastic mold with ejection structure as claimed in claim 1, wherein: the top end of the spring (20) is fixed with the top of the inner wall of the groove (17), the bottom end of the spring (20) is fixed above the moving plate (18), and the top column (19) penetrates into the trough (16).

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