Pushing plate re-ejecting product injection mold

Abstract

The utility model belongs to the technical field of injection molds, and particularly relates to an ejection plate re-ejection product injection mold which comprises a lower fixing plate and an ejector pin bottom plate, the ejector pin bottom plate is mounted on the surface of the lower fixing plate, and a secondary ejection mechanism is arranged on the surface of the ejector pin bottom plate. By arranging a secondary ejection mechanism, after injection molding of the mold is completed, the mold is opened, the ejector pin panel and the push plate synchronously move upwards, an elastic block is installed on the side face of the push plate, the elastic block moves on the surface of a guide block at the same time in the upward moving process of the push plate, and when the elastic block moves by a certain distance and then retreats by 5.6 MM, the ejector pin panel and the push plate can be ejected again. And at the moment, the push plate stops moving, the ejector pin panel continues to eject out and stops after reaching a limiting position, and the problems that in the background technology, the device is only of a single ejection structure, the ejection degree is not enough due to a single one-time ejection structure, materials cannot be completely ejected out, and the demolding effect is poor are solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection mold technical field, concretely is a kind of push plate reproduct injection mold. BACKGROUND

[0002] In the production and processing of injection molding, the injection molding material needs to be extruded into the injection cavity of the injection mold, and the cooling and setting are realized, and then the injection molding part can be taken out from the injection cavity, but the injection cavity of the injection mold is mostly concave structure, and the convenience is poor when taking out, which affects the processing efficiency of the injection mold, so the ejection structure for injection molding workpiece after injection molding is needed to be set on the injection mold.

[0003] A kind of ejection structure in prior art, it is opened with mould groove on lower die seat, bottom die plate is slidably installed in mould groove, top-out cavity is opened with bottom die plate on lower die seat, a plurality of fixed columns are evenly provided in top-out cavity, lifting groove is opened in the top end of fixed column, piston is arranged in lifting groove, telescopic column is arranged between the top of piston and bottom plate, gas supply device is arranged on the side wall bottom end of fixed column and cooperates with piston, reset auxiliary spring is arranged between the inner bottom wall of bottom die plate and top-out cavity, limit protruding edge is arranged at the top end of top-out cavity, connecting protruding edge is arranged at the bottom end of bottom die plate, sealing pad is arranged at the position close to limit protruding edge of connecting protruding edge, the utility model can actively control the ejection of injection molding workpiece in injection mold, controllability is good, and stability and accuracy are good.But when the device is used, the up and down of bottom die plate needs to move to eject the injection product, and air pump needs to be used, which increases the cost of the device, and the air pump needs to use power every time, which causes waste of resources.

[0004] As disclosed in Chinese patent CN221271929U, a kind of injection mold product ejection structure, including: first mold;Slip cavity, slip cavity is opened in the inside of first mold, both sides of slip cavity are opened with sliding slot, limit rod is fixedly installed around the top of first mold.The injection mold product ejection structure provided by the utility model, through the cooperation of first mold, second mold, side plate, threaded rod, first nut, first spring, second nut, fixed sleeve, locking screw, moving plate, limit plate, moving rod and top plate, when using, second mold moves upwards, which drives threaded rod to move upwards, thereby moving plate, moving rod and top plate move upwards together, thereby ejecting injection product from the inside of first mold, so that when injection product needs to be ejected, it does not need to use driving element for cooperation, thereby reducing cost and reducing resource waste.

[0005] But the device is only a single ejection structure, a single disposable ejection structure makes the degree of ejection is not enough, can not completely eject the material, so as to appear the situation of bad demolding effect.

[0006] To this end, we propose a push plate re-top product injection mold to solve the above problems. The utility model discloses a push plate re-top product injection mold

[0007] The utility model discloses a push plate re-top product injection mold to solve the problems in the background art.

[0008] To achieve the above object, the utility model provides the following technical scheme: a push plate re-top product injection mold, including lower fixed plate and thimble bottom plate, the thimble bottom plate is installed on the surface of lower fixed plate, the surface of thimble bottom plate is provided with secondary ejection mechanism.

[0009] The secondary ejection mechanism includes thimble faceplate, ejector block, fastening screw, pressing block, guide block, elastic block, no.

[0010] Preferably, the surface of the lower fixed plate is provided with a mold foot, the top end of the mold foot is provided with a fixed plate, the guide block is fixedly installed on the side surface of the fixed plate, the top end of the fixed plate is provided with a push plate, and the elastic block is fixedly installed on the side surface of the push plate through the plug screw.

[0011] Preferably, the surface of the guide block is provided with a notch, and the surface of the elastic block is abutted with the notch surface of the guide block, so that the elastic block can rebound after moving upward along with the push plate.

[0012] Preferably, the top end of the push plate is provided with a mold plate, the top end of the mold plate is provided with an upper fixed plate, the surface of the upper fixed plate is provided with a positioning ring, and the surface of the upper fixed plate is provided with an injection port.

[0013] Preferably, the surface of the lower fixed plate is provided with a guide column, the guide column penetrates the surface of the thimble bottom plate, the thimble faceplate, the fixed plate and the push plate in sequence, the surface of the thimble faceplate is provided with a no.

[0014] Preferably, the push plate is internally provided with an inverted buckle plate, and the inverted buckle plate is internally provided with an inclined sliding block.

[0015] Compared with the prior art, the utility model has the advantages that:

[0016] 1. The push plate re-pressing product injection mold, by setting the secondary ejection mechanism, when the mold injection is completed, the mold is opened, the ejector plate and the push plate are synchronously moved upward, since the elastic block is installed on the side surface of the push plate, the push plate moves upward in the process, the elastic block moves on the surface of the guide block at the same time, when the elastic block moves a certain distance, it retreats by 5.6mm, at this time, the push plate stops moving, the ejector plate continues to eject, and stops after reaching the limiting position, the problem that the device is only a single ejection structure, the single one-time ejection structure makes the ejection degree not enough, and the material cannot be completely ejected, so that the demolding effect is not good.

[0017] 2. The push plate re-pressing product injection mold, by installing the reverse buckle plate in the push plate, the reverse buckle plate is internally provided with the inclined sliding block, when the push plate is ejected, the product is demolded through the inclined sliding block, the demolding effect of the product is improved, and the product is prevented from adhering to the inside of the mold during ejection. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a schematic view of the appearance structure of the utility model;

[0019] Figure 2 It is a schematic view of the secondary ejection mechanism structure of the utility model;

[0020] Figure 3 It is a schematic view of the push plate structure of the utility model;

[0021] Figure 4 It is a schematic view of the internal structure of the utility model.

[0022] In the drawing: 101, lower fixed plate; 102, mold foot; 103, fixed plate; 104, push plate; 105, mold plate; 106, upper fixed plate; 107, ejector plate; 108, ejector plate; 109, positioning ring; 110, injection port; 201, ejector block; 202, fastening screw; 203, pressing block; 204, guide block; 205, elastic block; 206, No. 1 spring; 207, plug screw; 301, reverse buckle plate; 302, inclined sliding block; 303, guide column; 304, No. 2 spring. DETAILED DESCRIPTION

[0023] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0024] Please refer toFigures 1-4 The utility model provides a technical scheme:

[0025] Embodiment one: a push plate re-push product injection mold, including lower fixed plate 101 and thimble bottom plate 107, thimble bottom plate 107 is installed on the surface of lower fixed plate 101, the surface of lower fixed plate 101 is equipped with mould foot 102, and mould foot 102 top is equipped with fixed plate 103, and fixed plate 103 top is equipped with push plate 104, and the surface of thimble bottom plate 107 is provided with secondary ejection mechanism.

[0026] Secondary ejection mechanism includes thimble faceplate 108, ejector block 201, fastening screw 202, pressing block 203, guide block 204, elastic block 205, no. One spring 206, plug screw 207, thimble faceplate 108 is installed on the surface of thimble bottom plate 107, and ejector block 201 is installed on the side of thimble faceplate 108 by fastening screw 202, and pressing block 203 is fixedly installed on the surface of guide block 204, and guide block 204 is arranged above thimble faceplate 108, and guide block 204 is fixedly installed on the side of fixed plate 103, and the surface of guide block 204 is provided with notch, and elastic block 205 is arranged on the top of ejector block 201, and the surface of elastic block 205 is in contact with the notch surface of guide block 204, so that after elastic block 205 moves upwards along with push plate 104, push plate 104 is in place, and elastic block 205 can rebound, no. One spring 206 is installed on the surface of elastic block 205, and plug screw 207 is installed in elastic block 205, and elastic block 205 is fixedly installed on the side of push plate 104 by plug screw 207.

[0027] Embodiment two: based on embodiment one, push plate 104 top is equipped with template 105, push plate 104 inside is equipped with reverse buckle plate 301, reverse buckle plate 301 inside is equipped with inclined sliding block 302, template 105 top is equipped with upper fixed plate 106, upper fixed plate 106 surface is equipped with positioning ring 109, upper fixed plate 106 surface is provided with injection port 110, lower fixed plate 101 surface is equipped with guide column 303, guide column 303 is in turn through the surface of thimble bottom plate 107, thimble faceplate 108, fixed plate 103 and push plate 104, the surface of thimble faceplate 108 is equipped with no. Two springs 304, and no. Two springs 304 are sleeved on the outer surface of guide column 303, and thimble faceplate 108 has the buffering effect when moving upwards by no. Two springs 304.

[0028] Working principle: when the mold injection is completed, the mold opens, the ejector plate 108 and the push plate 104 move upward synchronously, because the elastic block 205 is installed on the side of the push plate 104, the push plate 104 moves upward, the elastic block 205 moves on the surface of the guide block 204 at the same time, when the elastic block 205 moves a certain distance, it retreats 5.6mm, at this time, the push plate 104 stops moving, the ejector plate 108 continues to eject, stops after reaching the limit position, at the same time, because the push plate 104 is internally installed with the reverse buckle plate 301, the reverse buckle plate 301 is internally installed with the inclined slide block 302, when the push plate 104 ejects, the product is demolded through the inclined slide block 302, which improves the demolding effect of the product and prevents the product from sticking to the inside of the mold when ejecting.

[0029] It should be noted that, in this document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus. An element proceeded by "comprises... a" does not, without more constraints, exclude the existence of additional identical elements in the process, method, article, or apparatus that comprises the element.

Claims

1. A push-pull plate re-pushing product injection mold, comprising a lower fixed plate (101) and a ejector pin bottom plate (107), the ejector pin bottom plate (107) is installed on the surface of the lower fixed plate (101), characterized in that: The top pin bottom plate (107) is provided with a secondary ejection mechanism on the surface; The secondary ejection mechanism comprises a top pin panel (108), an ejection block (201), a fastening screw (202), a pressing block (203), a guide block (204), an elastic block (205), a No. 1 spring (206), a plug screw (207), the top pin panel (108) is installed on the surface of the top pin bottom plate (107), the ejection block (201) is installed on the side surface of the top pin panel (108) through the fastening screw (202), the pressing block (203) is fixedly installed on the surface of the guide block (204), the guide block (204) is arranged above the top pin panel (108), the elastic block (205) is arranged at the top end of the ejection block (201), the No. 1 spring (206) is installed on the surface of the elastic block (205), and the plug screw (207) is installed in the elastic block (205).

2. The push-tray restroked product injection mold of claim 1, wherein: The lower fixed plate (101) is provided with a die foot (102) on the surface, the die foot (102) is provided with a fixed plate (103) at the top end, the guide block (204) is fixedly installed on the side surface of the fixed plate (103), the fixed plate (103) is provided with a push plate (104) at the top end, and the elastic block (205) is fixedly installed on the side surface of the push plate (104) through the plug screw (207).

3. The push-tray repusher product injection mold of claim 2, wherein: The guide block (204) is provided with a notch on the surface, and the surface of the elastic block (205) is in abutment with the notch surface of the guide block (204).

4. The push-tray repusher product injection mold of claim 2, wherein: The push plate (104) is provided with a die plate (105) at the top end, the die plate (105) is provided with an upper fixed plate (106) at the top end, the upper fixed plate (106) is provided with a positioning ring (109) on the surface, and the upper fixed plate (106) is provided with an injection port (110) on the surface.

5. The push-tray repusher product injection mold of claim 1, wherein: The lower fixed plate (101) is provided with a guide column (303) on the surface, the guide column (303) penetrates the surface of the top pin bottom plate (107), the top pin panel (108), the fixed plate (103) and the push plate (104) in sequence, the top pin panel (108) is provided with a No. 2 spring (304) on the surface, and the No. 2 spring (304) is sleeved on the outer surface of the guide column (303).

6. The push-tray repusher product injection mold of claim 2, wherein: The push plate (104) is provided with an inverted buckle plate (301) in the inside, and the inverted buckle plate (301) is provided with an inclined sliding block (302) in the inside.

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