CN217834516U

CN217834516U - Injection mold for projector base convenient to ejection of compact

Info

Publication number: CN217834516U
Application number: CN202122364204.1U
Authority: CN
Inventors: 黄艳飞; 明安鑫; 鲁颂业
Original assignee: Suzhou Zhimuxing Electronic Technology Co ltd
Current assignee: Suzhou Zhimuxing Electronic Technology Co ltd
Priority date: 2021-09-28
Filing date: 2021-09-28
Publication date: 2022-11-18
Anticipated expiration: 2031-09-28

Abstract

The utility model discloses an injection mold for projecting apparatus base convenient to ejection of compact, including bottom plate and bed die, bed die fixed connection is in the upper surface of bottom plate, and the middle part of bottom plate is provided with climbing mechanism, is connected with a plurality of springs on the climbing mechanism, and the bottom of bed die is seted up flutedly, and the inside of recess is provided with demoulding mechanism, and climbing mechanism includes mounting panel, nut seat, shank of bolt and jacking board, and mounting panel fixed mounting is in the bottom of bottom plate, and the shank of bolt rotates with the nut seat to cup joint, and the top of shank of bolt rotates with the lower surface of jacking board to be connected. The utility model discloses utilize climbing mechanism and spring matched with to set up the mode, rotate through the relative screw thread of shank of bolt and nut seat, reduce the interval between jacking board and the connecting plate to just also be convenient for go on further compression to the spring between jacking board and the connecting plate, just also be convenient for further increase the elasticity of spring to demoulding mechanism, thereby alright realize the drawing of patterns to the projecting apparatus base.

Description

Injection mold for projector base convenient to ejection of compact

Technical Field

The utility model relates to an injection mold field, in particular to injection mold for projector base convenient to the ejection of compact.

Background

Injection molding, also known as injection molding, is a method of molding by injection and molding. The injection molding method has the advantages of high production speed, high efficiency, automation of operation, various colors, various shapes from simple to complex, small sizes, accurate product size, easy replacement of products, capability of forming products with complex shapes, and suitability for the molding processing fields of mass production, products with complex shapes and the like.

In the drawing of patterns to injection mold, in the conventional art, generally can be at the bottom installation spring of bed die, carry out the jacking through the spring to the ejector pin, make ejector pin rebound in the die cavity of bed die, carry out the jacking to the fashioned projecting apparatus base of die cavity inside, the realization is to the jacking drawing of patterns of projecting apparatus base, but because the position of the inside spring of bed die generally all is fixed, in long-time use, the elasticity of spring can weaken, thereby make the spring can no longer carry out the jacking to the ejector pin.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an injection mold for projector base convenient to the ejection of compact to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: an injection mold for a projector base convenient for discharging comprises a bottom plate and a lower mold, wherein the lower mold is fixedly connected to the upper surface of the bottom plate, a jacking mechanism is arranged in the middle of the bottom plate, a plurality of springs are connected to the jacking mechanism, a groove is formed in the bottom of the lower mold, and a demolding mechanism is arranged inside the groove;

the jacking mechanism comprises an installation plate, a nut seat, a bolt rod and a jacking plate, the installation plate is fixedly installed at the bottom end of the bottom plate, the nut seat is fixedly and alternately connected to the middle of the installation plate, the bolt rod is rotatably sleeved with the nut seat, and the top end of the bolt rod is rotatably connected with the lower surface of the jacking plate.

Preferably, the middle part of the bottom plate is provided with a through groove, and the jacking plate is connected with the inner cavity of the through groove in a sliding manner.

Preferably, the demolding mechanism comprises a connecting plate and ejector rods, the connecting plate is connected with the inner cavity of the groove in a sliding mode, the ejector rods are fixedly connected to the upper surface of the connecting plate, and the ejector rods are connected with the top of the lower mold in a sliding penetrating mode.

Preferably, the top end of the spring is fixedly connected with the lower surface of the connecting plate, and the bottom end of the spring is fixedly connected with the upper surface of the jacking plate.

Preferably, the inside movable sleeve of spring is equipped with the gag lever post, the bottom of gag lever post is connected with the last fixed surface of jacking board, the gag lever post alternates with the connecting plate slip and is connected, a plurality of spacing holes have been seted up on the top of recess inner chamber, the top of gag lever post is mutually supported with the inner chamber in spacing hole.

Preferably, the top of bed die is provided with the mould, the top fixedly connected with roof of last mould, the equal fixedly connected with depression bar in both sides of going up the mould bottom, the through-hole has all been seted up to the both sides of bed die, depression bar and the inner chamber sliding interlude of through-hole are connected.

Preferably, the both sides of connecting plate are the fixed plate of equal fixedly connected with, the spout has all been seted up to the both sides of recess inner wall, the fixed plate is connected with the inner chamber sliding alternate of spout.

The utility model discloses a technological effect and advantage:

(1) The utility model utilizes the setting mode of the jacking mechanism and the spring which are matched, and the distance between the jacking plate and the connecting plate is reduced through the relative threaded rotation of the bolt rod and the nut seat, thereby further compressing the spring between the jacking plate and the connecting plate, further increasing the elasticity of the spring to the demoulding mechanism, and realizing the demoulding of the projector base;

(2) The utility model discloses utilize gag lever post and spacing hole matched with mode of setting, be convenient for shifting up for the gag lever post through spacing hole with the motion space, be convenient for carry on spacingly to the operation of connecting plate through the gag lever post for the connecting plate can only carry out fore-and-aft slip, makes the slip of connecting plate more stable.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is the schematic diagram of the internal structure of the lower mold of the present invention.

Fig. 3 is the schematic diagram of the internal structure of the jacking mechanism.

In the figure: 1. a base plate; 2. a lower die; 3. a jacking mechanism; 31. mounting a plate; 32. a nut seat; 33. a bolt shank; 34. a jacking plate; 4. a spring; 5. a demolding mechanism; 51. a connecting plate; 52. a lifter bar; 6. a limiting rod; 7. an upper die; 8. a top plate; 9. a lower pressure lever; 10. a through hole; 11. and (7) fixing the plate.

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.

The utility model provides an injection mold for projector base convenient to ejection of compact as shown in fig. 1-3, including bottom plate 1 and

bed die

2, 2 fixed connection of bed die are in the upper surface of bottom plate 1, the middle part of bottom plate 1 is provided with climbing mechanism 3, be connected with a plurality of springs 4 on the climbing mechanism 3, the top of spring 4 and the lower fixed surface of connecting plate 51 are connected, the bottom of spring 4 and the last fixed surface of jacking board 34 are connected, it provides ascending elasticity to connecting plate 51 to be convenient for provide through the compression of spring 4, make connecting plate 51 can drive ejector beam 52 upward movement, carry out the jacking to the projector base of accomplishing of moulding plastics, the convenience is to the drawing of patterns of projector base, the bottom of bed die 2 is seted up flutedly, the inside of recess is provided with demoulding mechanism 5, be convenient for the upper and lower displacement of connecting plate 51 through the recess and provide the motion space.

Climbing mechanism 3 includes mounting panel 31, nut seat 32, shank of bolt 33 and jacking board 34, logical groove has been seted up at the middle part of bottom plate 1, jacking board 34 and the inner chamber sliding connection who leads to the groove, be convenient for provide the motion space for the upper and lower displacement of jacking board 34, and the inner chamber that leads to the groove is the rectangle, jacking board 34 and the inner chamber of leading to the groove mutually support, thereby alright carry out spacingly to the removal of jacking board 34, make jacking board 34 can only carry out the slip of vertical direction, mounting panel 31 fixed mounting is in the bottom of bottom plate 1, nut seat 32 fixed insertion connects in the middle part of mounting panel 31, shank of bolt 33 and nut seat 32 rotate to cup joint, the top of shank of bolt 33 and the lower surface rotation of jacking board 34 are connected, thereby alright drive jacking board 34 through the rotation of shank of bolt 33 and carry out position control.

Demoulding mechanism 5 includes connecting plate 51 and ejector beam 52, connecting plate 51 and the inner chamber sliding connection of recess, a plurality of ejector beam 52 fixed connection are in the upper surface of connecting plate 51, ejector beam 52 alternates with the top slip of bed die 2 and is connected, it is fixed to be convenient for install a plurality of ejector beam 52's position through connecting plate 51, a plurality of ejector beam 52 are the equidistance setting, be convenient for carry out the jacking to fashioned product through ejector beam 52, be convenient for to the drawing of patterns of product.

Spring 4's inside movable sleeve is equipped with gag lever post 6, the bottom of gag lever post 6 and the last fixed surface of jacking board 34 are connected, gag lever post 6 and connecting plate 51 slip interlude are connected, a plurality of spacing holes have been seted up on the top of recess inner chamber, the top of gag lever post 6 and the inner chamber in spacing hole mutually support, be convenient for shifting up of gag lever post 6 with the motion space through spacing hole, be convenient for carry on spacingly to connecting plate 51's operation through gag lever post 6, make connecting plate 51 only can carry out fore-and-aft slip, make connecting plate 51's slip more stable.

The top of bed die 2 is provided with mould 7, the top fixedly connected with roof 8 of bed die 7, the equal fixedly connected with depression bar 9 in both sides of bed die 7 bottom, through-hole 10 has all been seted up to the both sides of bed die 2, cooperation between depression bar 9 and through-hole 10 down, can extrude spacingly to the position of fixed plate 11 on the one hand, make ejector beam 52 can accomodate the inside to bed die 2, prevent that ejector beam 52 from highlighting bed die 2's die cavity, influence the shape of product, on the other hand also can carry on spacingly to the cooperation between bed die 2 and the bed die 7, make the cooperation precision between bed die 2 and the bed die 7 higher, lower beam 9 alternates with the inner chamber of through-hole 10 and is connected, the equal fixedly connected with fixed plate 11 in both sides of connecting plate 51, the spout has all been seted up to the both sides of recess inner wall, fixed plate 11 alternates with the inner chamber sliding of spout and is connected, be convenient for the longitudinal sliding with the sliding space for fixed plate 11 through the spout.

The utility model discloses the theory of operation:

in use, when the elastic force of the spring 4 is insufficient to lift and demold the demolding mechanism 5, firstly, the bolt rod 33 is subjected to threaded rotation, so that the bolt rod 33 and the nut seat 32 are subjected to threaded rotation relatively, so that the lifting plate 34 moves upwards in the inner cavity of the through groove, the distance between the lifting plate 34 and the connecting plate 51 is reduced, further compression of the spring 4 between the lifting plate 34 and the connecting plate 51 is facilitated, the elastic force of the spring 4 on the demolding mechanism 5 is further increased, then when the upper mold 7 is lifted upwards, the upper mold 7 drives the lower pressing rod 9 to move upwards under the limit of the through hole 10, at the moment, the lower pressing rod 9 does not limit the position of the fixing plate 11 any more, then, the connecting plate 51 moves upwards in the inner cavity of the groove through the elastic force of the spring 4 on the demolding mechanism 5, and then the connecting plate 51 drives the ejecting rod 52 to move upwards, so that the ejecting rod 52 lifts the molded projector base upwards.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims

1. An injection mold convenient for discharging for a projector base comprises a bottom plate (1) and a lower mold (2), wherein the lower mold (2) is fixedly connected to the upper surface of the bottom plate (1), and is characterized in that a jacking mechanism (3) is arranged in the middle of the bottom plate (1), a plurality of springs (4) are connected onto the jacking mechanism (3), a groove is formed in the bottom of the lower mold (2), and a demolding mechanism (5) is arranged inside the groove;

climbing mechanism (3) are including mounting panel (31), nut seat (32), shank of bolt (33) and jacking board (34), mounting panel (31) fixed mounting is in the bottom of bottom plate (1), nut seat (32) fixed interlude is connected in the middle part of mounting panel (31), shank of bolt (33) rotates with nut seat (32) and cup joints, the top of shank of bolt (33) rotates with the lower surface of jacking board (34) to be connected.

2. The injection mold convenient for discharging of projector bases as claimed in claim 1, wherein a through groove is formed in the middle of the bottom plate (1), and the lifting plate (34) is slidably connected with an inner cavity of the through groove.

3. The injection mold for the projector base convenient for discharging as claimed in claim 1, wherein the demolding mechanism (5) comprises a connecting plate (51) and a plurality of ejector rods (52), the connecting plate (51) is slidably connected with the inner cavity of the groove, the plurality of ejector rods (52) are fixedly connected to the upper surface of the connecting plate (51), and the ejector rods (52) are slidably inserted into the top of the lower mold (2).

4. An injection mold for a projector base convenient for discharging as claimed in claim 1, wherein the top end of the spring (4) is fixedly connected with the lower surface of the connecting plate (51), and the bottom end of the spring (4) is fixedly connected with the upper surface of the lifting plate (34).

5. The injection mold for projector bases convenient to discharge as claimed in claim 1, wherein a limiting rod (6) is movably sleeved inside the spring (4), the bottom end of the limiting rod (6) is fixedly connected with the upper surface of the jacking plate (34), the limiting rod (6) is slidably inserted and connected with the connecting plate (51), a plurality of limiting holes are formed in the top end of the inner cavity of the groove, and the top of the limiting rod (6) is matched with the inner cavity of the limiting holes.

6. The injection mold convenient for discharging for projector bases as claimed in claim 1, wherein an upper mold (7) is arranged at the top end of the lower mold (2), a top plate (8) is fixedly connected to the top end of the upper mold (7), lower pressing rods (9) are fixedly connected to both sides of the bottom end of the upper mold (7), through holes (10) are formed in both sides of the lower mold (2), and the lower pressing rods (9) are slidably inserted into inner cavities of the through holes (10).

7. The injection mold convenient for discharging of projector bases as claimed in claim 3, wherein fixing plates (11) are fixedly connected to both sides of the connecting plate (51), sliding grooves are formed in both sides of the inner wall of the groove, and the fixing plates (11) are slidably inserted into the inner cavities of the sliding grooves.