CN215969826U - Quick injection moulding mould of frame before complicated accurate MNT plastic - Google Patents

Abstract

The utility model relates to the technical field of injection molds and discloses a rapid injection molding mold for a complex and precise MNT plastic front frame, which comprises a processing table, wherein a top plate is fixedly arranged at the top of the processing table through four fixing rods, a hydraulic telescopic rod is fixedly arranged at the bottom of the top plate, an upper mold is fixedly arranged at the output end of the hydraulic telescopic rod, a mounting groove is formed in the top of the processing table, a fixing plate is movably arranged in the mounting groove, a lower mold is fixedly arranged at the top of the fixing plate, which corresponds to the upper mold, through a lug, two handles at the top of the fixing plate are held by hands and pulled upwards, an elastic clamping block is separated from the inside of a limiting clamping groove, when the fixing plate is rotated to incline downwards to the molded plastic front frame in the lower mold, the molded front frame in the lower mold is separated from a mold cavity in the lower mold, and the fixed plate is rotated to be in a horizontal state after the mold is taken out, thereby being convenient for taking out the plastic front frame formed in the lower die.

Description

Quick injection moulding mould of frame before complicated accurate MNT plastic

Technical Field

The utility model relates to the technical field of injection molds, in particular to a rapid injection molding mold for a complex and precise MNT plastic front frame.

Background

An injection mold is a tool for producing plastic products; and is also a tool for giving the plastic product complete structure and accurate dimension. The injection molding is a processing method used in the mass production of some parts with complex shapes, and an injection molding method is also adopted in the production of a plastic front frame.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides a complex and precise MNT plastic front frame rapid injection molding mold, which solves the problems.

(II) technical scheme

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a quick injection moulding mould of frame before complicated accurate MNT plastic, including the processing platform, the top of processing platform has the roof through four dead lever fixed mounting, the bottom fixed mounting of roof has hydraulic telescoping rod, hydraulic telescoping rod's output fixed mounting has last mould, the mounting groove has been seted up at the top of processing platform, the inside movable mounting of mounting groove has the fixed plate, the position that the top of fixed plate corresponds last mould has the lower mould through lug fixed mounting, the inner wall fixed mounting of mounting groove has spacing butt plate, the inner wall bottom fixed mounting of mounting groove has two ejector pins, the top of ejector pin is laminated with the bottom of fixed plate each other, the top of ejector pin is seted up flutedly, spacing draw-in groove has been seted up to the inner wall bottom of recess, the bottom fixed mounting of fixed plate has two bottom blocks, the bottom fixed mounting of bottom block has the elasticity fixture block together with spacing draw-in groove joint.

Preferably, the inner wall of the mounting groove is symmetrically provided with two rotating grooves, and the outer wall of the fixing plate is symmetrically and fixedly provided with two rotating shafts movably connected with the rotating grooves.

Preferably, elastic convex pads with elasticity are symmetrically and fixedly installed on the inner walls of the grooves, and the cross sections of the elastic convex pads are V-shaped.

Preferably, two handles are fixedly mounted at the top of the fixing plate.

Preferably, the top of the fixing plate is provided with air flowing holes, and the positions of the air flowing holes and the positions of the lugs are staggered.

(III) advantageous effects

Compared with the prior art, the utility model provides a complex and precise MNT plastic front frame rapid injection molding mold, which has the following beneficial effects:

1. the rapid injection molding mold for the complex precise MNT plastic front frame is characterized in that a fixing plate is movably arranged in a mounting groove, when in injection production, a hydraulic telescopic rod drives an upper mold to downwards extrude a lower mold, the plastic front frame is extruded and molded in the lower mold, at the moment, two handles at the top of the fixing plate are held and pulled upwards, an elastic clamping block is separated from the inside of a limiting clamping groove, at the moment, the fixing plate upwards rotates under the action of external force, the lower mold on the fixing plate upwards rotates along with the fixing plate, when the fixing plate is rotated to incline downwards to the molded plastic front frame in the lower mold, at the moment, the plastic front frame part in the lower mold is separated from a mold cavity in the lower mold, at the moment, the molded front frame can be taken down from the lower mold, after the mold is taken out, the fixing plate is rotated to be in a horizontal state, meanwhile, the bottom of the fixing plate is mutually contacted with the limiting abutting plate, and the elastic clamping block is clamped in the limiting clamping groove, the fixing plate is fixed in a horizontal position so as to facilitate the next production, thereby facilitating the taking out of the plastic front frame formed inside the lower die.

2. According to the rapid injection molding mold for the complex and precise MNT plastic front frame, elastic convex pads are symmetrically and fixedly installed on the inner wall of the groove, when the bottom block enters the groove after rotating, the elastic convex pads rebound to be mutually pressed with the outer wall of the bottom block after being deformed under the extrusion of the groove, and meanwhile, the cross section of each elastic convex pad is V-shaped so that the bottom block can enter the groove conveniently, and therefore the elastic convex pads can be used for stabilizing the bottom block clamped in the groove; there is the lower mould through passing through lug fixed mounting at the top of fixed plate, and the lug separates the top of lower mould and fixed plate, and the wind hole has been seted up at the top of fixed plate simultaneously, and the circulation of air can be convenient for in the wind hole, and the lower mould separates each other so that the air flows through the cooling rate of frame before the inside plastics of improvement lower mould through the gap between lower mould and the fixed plate with the lug simultaneously.

Drawings

FIG. 1 is a perspective view of the present invention;

FIG. 2 is a schematic view of the structure of the present invention, partially cut in half, showing a three-dimensional split;

FIG. 3 is an enlarged view of the point A in FIG. 2;

fig. 4 is an enlarged schematic view of B in fig. 2.

In the figure: 1. a processing table; 2. fixing the rod; 3. a top plate; 4. a hydraulic telescopic rod; 5. an upper die; 6. mounting grooves; 7. a fixing plate; 8. a lower die; 9. rotating the groove; 10. a limiting support plate; 11. a rotating shaft; 12. a grip; 13. a ventilation hole; 14. a bump; 15. a top rod; 16. a groove; 17. a limiting clamping groove; 18. an elastic convex pad; 19. a bottom block; 20. and the elastic clamping block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-4, a complex and precise MNT plastic front frame rapid injection molding mold comprises a processing table 1, the processing table 1 is a T-shaped structure, a top plate 3 is fixedly installed at the top of the processing table 1 through four fixing rods 2, the top plate 3 is a rectangular structure, a hydraulic telescopic rod 4 is fixedly installed at the bottom of the top plate 3, an upper mold 5 is fixedly installed at the output end of the hydraulic telescopic rod 4, an installation groove 6 is opened at the top of the processing table 1, the installation groove 6 is a rectangular groove, the hollow area inside the installation groove 6 is communicated with the right wall surface of the processing table 1, a fixing plate 7 is movably installed inside the installation groove 6, the fixing plate 7 is a rectangular structure, a lower mold 8 is fixedly installed at the top of the fixing plate 7 corresponding to the upper mold 5 through a bump 14, a ventilation hole 13 is opened at the top of the fixing plate 7, the ventilation hole 13 is a circular through hole, the inside of the ventilation hole 13 is communicated with the inside of the installation groove 6, the positions of the air flowing holes 13 and the positions of the convex blocks 14 are staggered, two handles 12 are fixedly installed at the top of the fixed plate 7, the handles 12 are of a frame-shaped structure, two rotary grooves 9 are symmetrically formed in the inner wall of the installation groove 6, the rotary grooves 9 are circular grooves, two rotary shafts 11 movably connected with the rotary grooves 9 are symmetrically and fixedly installed on the outer wall of the fixed plate 7, the rotary shafts 11 are of a cylindrical structure, the outer diameter of each rotary shaft 11 is the same as the inner diameter of each rotary groove 9, a limiting abutting plate 10 is fixedly installed on the inner wall of the installation groove 6, the limiting abutting plate 10 is of a rectangular structure, the top of the limiting abutting plate 10 is in contact with the bottom of the fixed plate 7, two ejector rods 15 are fixedly installed at the bottom of the inner wall of the installation groove 6, the ejector rods 15 are of a rectangular structure, the top of the ejector rods 15 is attached to the bottom of the fixed plate 7, grooves 16 are formed in the top of the ejector rods 15, the grooves 16 are arc-shaped grooves, and the hollow inner areas of the grooves 16 are communicated with the left side wall and the right side wall of the ejector rods 15, spacing draw-in groove 17 has been seted up to the inner wall bottom of recess 16, spacing draw-in groove 17 is the circular recess, the inner wall symmetry fixed mounting of recess 16 has elastic elasticity convex pad 18, the cross section of elasticity convex pad 18 is the V-arrangement, elasticity convex pad 18 is for having elastic rubber material, the quantity of elasticity convex pad 18 sets up according to recess 16's inner wall degree of depth, the bottom fixed mounting of fixed plate 7 has two bottom blocks 19, bottom block 19 is the arc piece, bottom block 19 laminates with recess 16's inner wall each other, bottom block 19 and the mutual pressfitting of elasticity convex pad 18, bottom block 19's bottom fixed mounting has the elasticity fixture block 20 with spacing draw-in groove 17 joint together, elasticity fixture block 20 is spherical structure, elasticity fixture block 20 is for having elastic rubber material.

The working principle is as follows: a fixing plate 7 is movably arranged in a mounting groove 6, during injection molding production, a hydraulic telescopic rod 4 drives an upper die 5 to downwards extrude a lower die 8, a plastic front frame is extruded and formed in the lower die 8, at the moment, two handles 12 at the top of the fixing plate 7 are held and pulled upwards, an elastic clamping block 20 is separated from the inside of a limiting clamping groove 17, at the moment, the fixing plate 7 upwards rotates under the action of external force, a lower die 8 on the fixing plate 7 upwards rotates along with the fixing plate 7, when the fixing plate 7 is rotated to enable the formed plastic front frame in the lower die 8 to downwards incline, at the moment, a plastic front frame part in the lower die 8 is separated from a die cavity in the lower die 8, at the moment, the formed front frame can be taken down from the lower die 8, after the die is taken out, the fixing plate 7 is rotated to be in a horizontal state, meanwhile, the bottom of the fixing plate 7 is in contact with the limiting abutting plate 10, and the elastic clamping block 20 is clamped in the limiting clamping groove 17, the fixed plate 7 is fixed in a horizontal position to facilitate the next production, so that the plastic front frame formed inside the lower die 8 can be taken out conveniently; the elastic convex pads 18 with elasticity are symmetrically and fixedly arranged on the inner wall of the groove 16, when the bottom block 19 enters the groove 16 after rotating, the elastic convex pads 18 with elasticity rebound to be mutually pressed with the outer wall of the bottom block 19 after being deformed under the extrusion of the groove 16, and meanwhile, the cross section of the elastic convex pads 18 is V-shaped so that the bottom block 19 can enter the groove 16, and therefore the elastic convex pads 18 can be used for stabilizing the bottom block 19 clamped in the groove 16 to a certain degree; through fixed mounting at the top of fixed plate 7 has lower mould 8 through lug 14, lug 14 separates lower mould 8 and the top of fixed plate 7, and the wind hole 13 has been seted up at the top of fixed plate 7 simultaneously, and wind hole 13 can be convenient for the circulation of air, and lower mould 8 separates each other with lug 14 so that the air flows through the gap between lower mould 8 and fixed plate 7 in order to improve the cooling rate of the inside plastics front bezel of lower mould 8 simultaneously.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a quick injection moulding mould of frame before complicated accurate MNT plastic, including processing platform (1), there are roof (3) at the top of processing platform (1) through four dead lever (2) fixed mounting, the bottom fixed mounting of roof (3) has hydraulic telescoping rod (4), the output fixed mounting of hydraulic telescoping rod (4) has last mould (5), mounting groove (6) have been seted up at the top of processing platform (1), the inside movable mounting of mounting groove (6) has fixed plate (7), the position that the top of fixed plate (7) corresponds last mould (5) has lower mould (8) through lug (14) fixed mounting, its characterized in that: the inner wall fixed mounting of mounting groove (6) has spacing butt plate (10), and the inner wall bottom fixed mounting of mounting groove (6) has two ejector pins (15), and the top of ejector pin (15) and the bottom of fixed plate (7) are laminated each other, and the top of ejector pin (15) is seted up flutedly (16), and spacing draw-in groove (17) have been seted up to the inner wall bottom of recess (16), and the bottom fixed mounting of fixed plate (7) has two bottom blocks (19), and the bottom fixed mounting of bottom block (19) has elasticity fixture block (20) with spacing draw-in groove (17) joint together.

2. The rapid injection molding mold for the complicated and precise MNT plastic front frame according to claim 1, is characterized in that: two rotating grooves (9) are symmetrically formed in the inner wall of the mounting groove (6), and two rotating shafts (11) movably connected with the rotating grooves (9) are symmetrically and fixedly mounted on the outer wall of the fixing plate (7).

3. The rapid injection molding mold for the complicated and precise MNT plastic front frame according to claim 1, is characterized in that: elastic convex pads (18) with elasticity are symmetrically and fixedly installed on the inner walls of the grooves (16), and the cross sections of the elastic convex pads (18) are V-shaped.

4. The rapid injection molding mold for the complicated and precise MNT plastic front frame according to claim 1, is characterized in that: two grips (12) are fixedly arranged at the top of the fixed plate (7).

5. The rapid injection molding mold for the complicated and precise MNT plastic front frame according to claim 1, is characterized in that: the top of the fixed plate (7) is provided with air flowing holes (13), and the positions of the air flowing holes (13) and the positions of the convex blocks (14) are staggered.

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