CN214726043U

CN214726043U - Ejection mechanism for goggles frame

Info

Publication number: CN214726043U
Application number: CN202120243145.XU
Authority: CN
Inventors: 邵先烘
Original assignee: Jinan Hongxin Plastic Mould Co ltd
Current assignee: Jinan Hongxin Plastic Mould Co ltd
Priority date: 2021-01-28
Filing date: 2021-01-28
Publication date: 2021-11-16
Anticipated expiration: 2031-01-28

Abstract

The utility model discloses a demoulding mechanism for goggles outer frame, which comprises an upper die base and a lower die base arranged at the lower side of the upper die base, wherein an outer frame forming cavity is arranged on the upper side surface of the lower die base, a sprue channel is arranged at the middle part of the upper die base, a jacking component is arranged at the lower side in the lower die base, the jacking component comprises a receiving cavity, the receiving cavity is arranged at the lower part in the lower die base, a bearing plate is arranged in the receiving cavity, a first spring is arranged at the bottom part of the bearing plate, the bottom part of the first spring is fixedly connected with the bottom part of the receiving cavity, a thimble is arranged on the upper side surface of the bearing plate, the upper end of the thimble is arranged in a top hole, the top hole is arranged at the upper part of the lower die base, the top hole is communicated with the outer frame forming cavity, a positioning component is arranged at the bottom part of the upper die base, the utility model can automatically jack a formed workpiece, and then can improve the demoulding efficiency of the workpiece, can cushion spacingly to the jacking of finished piece simultaneously, avoid the condition that the finished piece touched the upper die base and warp to take place.

Description

Ejection mechanism for goggles frame

Technical Field

The utility model relates to a goggles processing technology field especially relates to a demoulding mechanism for goggles frame.

Background

Protective glasses are a kind of filter lens, which can change the transmitted light intensity and spectrum. The damage of radiation light to eyes is avoided, the most effective and most common method is to wear protective glasses, the traditional goggles need to use a mold to perform injection molding in the production process, and the traditional goggles need to be demolded through an ejection mechanism after being molded.

The utility model discloses a shedder of various tile of recycled concrete as authorize utility model CN209364916U, including the drawing of patterns frame, drawing of patterns hydro-cylinder and drawing of patterns oil paint the mechanism, the drawing of patterns frame sets up in the last mould of mould pressing tile making equipment, drawing of patterns hydro-cylinder is equipped with four and all fixes on the pressure head of mould pressing tile making equipment, drawing of patterns hydro-cylinder's piston rod is respectively in the four corners department and drawing of patterns frame fixed connection of drawing of patterns frame, its drawing of patterns is convenient, make drawing of patterns oil evenly adsorb the last mould surface, can avoid tile base and mould adhesion, but it can't carry out the automatic drawing of patterns to the finished piece after the shaping, drawing of patterns operation is inconvenient, do not have drawing of patterns buffer structure simultaneously, very easily cause the finished piece to touch with last mould, cause the finished piece to warp, influence drawing of patterns quality.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is: the utility model provides a demoulding mechanism for goggles frame can carry out automatic jacking to the finished piece after the shaping, can improve the drawing of patterns efficiency of finished piece then, can cushion spacingly to the jacking of finished piece simultaneously, has avoided the condition emergence that the finished piece touched the upper die base and warp.

In order to solve the technical problem, the utility model discloses: the utility model provides a demoulding mechanism for goggles frame, includes the upper die base and sets up the die holder of upper die base downside, set up frame shaping chamber on the die holder side of going up, the upper die base middle part sets up the gate mouth, the downside sets up the jacking subassembly in the die holder, the jacking subassembly is including accomodating the chamber, it offers the lower part in the die holder to accomodate the chamber, it sets up the loading board to accomodate the intracavity, the loading board bottom sets up first spring, first spring bottom with accomodate intracavity bottom fixed connection, set up the thimble on the loading board side of going up, the thimble upper end sets up in the apical pore, the apical pore sets up on die holder upper portion, and apical pore and frame shaping chamber intercommunication, the upper die base bottom sets up locating component.

Preferably, the positioning assembly comprises a positioning block, a pressing rod is arranged at the bottom of the positioning block, the positioning block is connected with the positioning groove in a clamping mode, the positioning groove is formed in one side of the upper surface of the lower die base, the bottom of the pressing rod penetrates through the positioning hole, the positioning hole is formed in the bottom of the positioning groove, and the positioning hole is communicated with the storage cavity.

Preferably, thimble and apical pore all are provided with the multiunit, multiunit the thimble equidistance sets up on the loading board side, the multiunit the apical pore equidistance sets up the bottom in the frame shaping intracavity.

Preferably, a limiting slide block is arranged on one side surface of the bearing plate, one end of the limiting slide block is connected in a limiting slide groove in a sliding mode, and the limiting slide groove is formed in one side surface of the containing cavity.

Preferably, the activity of depression bar top sets up the extension rod, extension rod top swing joint is in the guide way, the guide way is seted up in the depression bar bottom, the top sets up the second spring in the guide way, second spring one end and extension rod fixed connection.

Preferably, the bottom of the extension rod is provided with a pressure pad, and the pressure pad is attached to the upper surface of the bearing plate.

Preferably, the outer diameter of the compression bar is the same as the diameter of the positioning hole.

Preferably, the outer diameter of the pressure pad is the same as the diameter of the positioning hole.

The utility model has the advantages that:

1. the utility model discloses can remove the loading board through the depression bar, first spring compresses simultaneously, can drive the loading board through first spring and reset, and then drives the thimble and carry out the jacking to with the ejecting die holder of finished piece after the shaping, realized the automatic drawing of patterns function of finished piece, the drawing of patterns is efficient.

2. The utility model discloses an extension rod compression second spring compression, second spring can make the extension rod laminate with the loading board all the time under the spring action, can carry on spacingly to the jacking, and the condition of having avoided finished piece jacking touch upper die base takes place, improves the drawing of patterns quality of finished piece.

Drawings

Fig. 1 is a schematic diagram of the explosion structure of the present invention.

Fig. 2 is a schematic view of the main sectional structure of the present invention.

Fig. 3 is an enlarged schematic view of a portion a in fig. 2.

Figure 4 is the side view section structure schematic diagram of the middle and lower die holder of the utility model.

Fig. 5 is an enlarged schematic view of the structure at B in fig. 2.

In the figure: 1. jacking subassembly, 2, locating component, 3, runner mouth, 4, upper die base, 5, frame shaping chamber, 6, die holder, 11, loading board, 12, accomodate the chamber, 13, first spring, 14, thimble, 15, apical pore, 16, spacing spout, 17, spacing slider, 21, locating piece, 22, constant head tank, 23, second spring, 24, guide way, 25, locating hole, 26, extension rod, 27, depression bar.

Detailed Description

The technical solution of the embodiment of the present invention will be clearly and completely described below with reference to the drawings in the embodiment of the present invention, and all the directional indicators (such as upper, lower, left, right, front and rear … …) in the present invention are only used to explain the relative position relationship, motion condition, etc. of each component under a certain specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is correspondingly changed accordingly.

Referring to fig. 1-5, a demoulding mechanism for outer frames of goggles comprises an upper die holder 4 and a lower die holder 6 arranged at the lower side of the upper die holder 4, an outer frame forming cavity 5 is arranged at the upper side of the lower die holder 6, a gate opening 3 is arranged at the middle part of the upper die holder 4, a jacking component 1 is arranged at the inner lower side of the lower die holder 6, the jacking component 1 comprises a receiving cavity 12, the receiving cavity 12 is arranged at the inner lower part of the lower die holder 6, a bearing plate 11 is arranged in the receiving cavity 12, a first spring 13 is arranged at the bottom part of the bearing plate 11, the bottom part of the first spring 13 is fixedly connected with the inner bottom part of the receiving cavity 12, a thimble 14 is arranged at the upper side of the bearing plate 11, the upper end of the thimble 14 is arranged in a top hole 15, the top hole 15 is arranged at the upper part of the lower die holder 6, the top hole 15 is communicated with the outer frame forming cavity 5, a positioning component 2 is arranged at the bottom part of the upper die holder 4, the positioning component 2 comprises a positioning block 21, a pressing rod 27 is arranged at the bottom part of the positioning block 21, the positioning block 21 is clamped with a positioning groove 22, locating slot 22 is seted up in die holder 6 upper surface one side, depression bar 27 bottom runs through locating hole 25, locating hole 25 is seted up at locating slot 22 bottom, and locating hole 25 with accomodate chamber 12 intercommunication, move loading board 11 through depression bar 27, first spring 13 compresses simultaneously, can drive loading board 11 through first spring 13 and reset, and then drive thimble 14 and carry out the jacking, and with the ejecting die holder 6 of finished piece after the shaping, the automatic drawing of patterns function of finished piece has been realized, drawing of patterns is efficient.

In order to enlarge the contact area between the ejector pins 14 and the molded part and improve the jacking effect, in this embodiment, preferably, the ejector pins 14 and the top holes 15 are all provided with multiple groups, the multiple groups of ejector pins 14 are equidistantly arranged on the upper side surface of the bearing plate 11, and the multiple groups of top holes 15 are equidistantly arranged at the bottom in the outer frame molding cavity 5.

In order to enable the bearing plate 11 to move and drive the limiting slide block 17 to move in the limiting slide groove 16, and improve the guidance quality of the bearing plate 11 when moving, in this embodiment, preferably, the limiting slide block 17 is arranged on one side surface of the bearing plate 11, one end of the limiting slide block 17 is slidably connected in the limiting slide groove 16, and the limiting slide groove 16 is arranged on one side surface of the accommodating cavity 12.

In order to compress second spring 23 through extension rod 26 compression, second spring 23 is under the spring action, can make extension rod 26 laminate with loading board 11 all the time, can carry on spacingly to the jacking, avoided the condition emergence that the finished piece jacking touched upper die base 4, improve the drawing of patterns quality of finished piece, in this embodiment, it is preferred, depression bar 27 top activity sets up extension rod 26, extension rod 26 top swing joint is in

guide way

24, 24 setings in depression bar 27 bottoms of guide way, the top sets up second spring 23 in the guide way 24, second spring 23 one end and extension rod 26 fixed connection.

In order to increase the attaching area between the extension rod 26 and the bearing plate 11 and improve the moving effect of the bearing plate 11, in this embodiment, it is preferable that the bottom of the extension rod 26 is provided with a pressure pad, and the pressure pad is attached to the upper surface of the bearing plate 11.

In order to facilitate the movement of the pressing rod 27 and the pressing pad in the positioning hole 25, in the present embodiment, it is preferable that the outer diameter of the pressing rod 27 is the same as the diameter of the positioning hole 25, and the outer diameter of the pressing pad is the same as the diameter of the positioning hole 25.

The working principle is as follows: when the upper die holder 4 moves on the injection molding machine, the upper die holder 4 drives the positioning block 21, the positioning rod drives the extension rod 26 to move, after the extension rod 26 penetrates through the positioning hole 25, the extension rod 26 contacts the bearing plate 11, the extension rod 26 moves in the guide groove 24, meanwhile, the extension rod 26 compresses the second spring 23, along with the movement of the upper die holder 4, the positioning block 21 drives the extension rod 26 to continue to move downwards, the extension rod 26 drives the bearing plate 11 to move downwards, the bearing plate 11 compresses the first spring 13, meanwhile, the bearing rod drives the thimble 14 to move downwards, after the upper die holder 4 is attached to the lower die holder 6, the hot melting raw material is conveyed into the outer frame forming cavity 5 through the sprue channel opening 3 for forming, after forming is completed, the injection molding machine drives the upper die holder 4 to move, the upper die holder 4 is separated from the lower die holder 6, in the separation process, the second spring 23 enables the extension rod 26 to be attached to the outer frame forming cavity 11 all the time under the effect of resilience force, along with the movement of the upper die holder 4, the extension rod 26 is separated from the bearing plate 11, the bearing plate 11 drives the ejector pin 14 to move upwards under the action of the resilience force of the first spring 13, the ejector pin 14 ejects the molded part out of the lower die holder 6, the automatic demolding of the molded part is realized, and the demolding effect is good.

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 goggles demoulding mechanism for frame, includes upper die base (4) and sets up die holder (6) of upper die base (4) downside, its characterized in that: an outer frame forming cavity (5) is arranged on the upper side surface of the lower die base (6), a sprue gate (3) is arranged in the middle of the upper die base (4), the lower inner side of the lower die holder (6) is provided with a jacking assembly (1), the jacking assembly (1) comprises a containing cavity (12), the containing cavity (12) is arranged at the inner lower part of the lower die holder (6), a bearing plate (11) is arranged in the containing cavity (12), the bottom of the bearing plate (11) is provided with a first spring (13), the bottom of the first spring (13) is fixedly connected with the bottom in the containing cavity (12), a thimble (14) is arranged on the upper side surface of the bearing plate (11), the upper end of the thimble (14) is arranged in a top hole (15), the top hole (15) is arranged at the upper part of the lower die holder (6), and the top hole (15) is communicated with the outer frame forming cavity (5), and the bottom of the upper die base (4) is provided with a positioning component (2).

2. The demolding mechanism for the outer frame of the goggles as claimed in claim 1, wherein the positioning assembly (2) comprises a positioning block (21), a pressing rod (27) is disposed at the bottom of the positioning block (21), the positioning block (21) is clamped with the positioning groove (22), the positioning groove (22) is formed in one side of the upper surface of the lower die holder (6), the bottom of the pressing rod (27) penetrates through the positioning hole (25), the positioning hole (25) is formed in the inner bottom of the positioning groove (22), and the positioning hole (25) is communicated with the accommodating cavity (12).

3. The demolding mechanism for the outer frame of goggles as claimed in claim 1, wherein said ejector pins (14) and said top holes (15) are provided in plural sets, said plural sets of said ejector pins (14) are disposed equidistantly on the upper side of said carrier plate (11), and said plural sets of said top holes (15) are disposed equidistantly on the bottom inside said outer frame molding cavity (5).

4. The demolding mechanism for the outer frame of goggles as claimed in claim 1, wherein a limiting slider (17) is provided on one side surface of the carrier plate (11), one end of the limiting slider (17) is slidably connected to a limiting sliding groove (16), and the limiting sliding groove (16) is formed on one side surface of the receiving cavity (12).

5. The demolding mechanism for the outer frame of goggles as claimed in claim 2, wherein an extension rod (26) is movably disposed on the top of the compression rod (27), the top of the extension rod (26) is movably connected to the inside of the guide groove (24), the guide groove (24) is disposed on the bottom of the compression rod (27), the second spring (23) is disposed on the top of the inside of the guide groove (24), and one end of the second spring (23) is fixedly connected to the extension rod (26).

6. The release mechanism for the outer frame of goggles as claimed in claim 5, wherein said extension rod (26) is provided at its bottom with a pressure pad which abuts against the upper surface of the carrier plate (11).

7. The release mechanism for a goggle chassis according to claim 2, wherein the outer diameter of the pressing rod (27) is the same as the diameter of the positioning hole (25).

8. The release mechanism for a goggle chassis according to claim 6, wherein the outer diameter of the pressure pad is the same as the diameter of the positioning hole (25).