CN221365548U - Needle positioning mechanism is held up to injection mold - Google Patents

Abstract

The utility model relates to an injection mold needle supporting positioning mechanism, which comprises a cylinder seat, wherein the bottom of the cylinder seat is provided with a cylinder fixedly connected with the cylinder seat, the front surface of the cylinder seat is provided with a guide groove which is communicated up and down, a driving block which is matched with the guide groove in a sliding way up and down is arranged in the guide groove, and the top of a piston rod of the cylinder extends into the bottom of the guide groove and is fixedly connected with the driving block; the front surface of the driving block is fixed with a sliding block insert; the sliding block is arranged on the outer side of the front surface of the cylinder seat, a sliding groove which is communicated up and down is formed in the sliding block and corresponds to the back surface of the cylinder seat, and the sliding block insert is positioned in the sliding groove and is matched with the sliding groove in an up-down sliding manner; the front of the sliding block is provided with a holding needle which horizontally stretches forwards. The injection mold needle supporting positioning mechanism supports the embedded part placed in the mold core injection molding cavity in the mold plate through the needle supporting, so that the embedded position of the embedded part is kept correct, deviation can not occur, the injection molding effect is ensured, and the processing quality of injection molding products is improved.

Description

Needle positioning mechanism is held up to injection mold

Technical Field

The utility model relates to the field of injection molding, in particular to an injection mold needle supporting and positioning mechanism.

Background

The injection mold is an important technological equipment for producing various industrial products, has wide application and can realize the forming processing of various plastic part products.

The injection mold consists of a movable mold and a fixed mold, wherein the movable mold comprises a movable mold plate and a female mold insert arranged at the bottom of the movable mold plate, and the fixed mold comprises a fixed mold plate and a male mold insert arranged at the top of the fixed mold plate; the injection molding process is that the movable mold and the fixed mold are closed, and injection molding cavities of the female mold insert and the male mold insert which correspond to each other up and down form a casting system and a cavity, and then injection molding is carried out.

At present, some plastic products are embedded with metal parts, and the metal parts are preloaded in an injection molding cavity of a mold during injection molding, but when the mold is closed, the metal parts are slightly vibrated to possibly shift the preset positions of the metal parts in a cavity of a mold core, so that the phenomenon of inaccurate positions is caused, and the quality of the processed injection molding is unqualified, so that loss is caused.

Disclosure of Invention

The utility model aims to solve the technical problem of providing an injection mold needle supporting and positioning mechanism for maintaining the correct position of an embedded part in an injection cavity when an injection mold is assembled.

In order to solve the technical problems, the utility model is realized by the following technical scheme: the injection mold needle supporting positioning mechanism comprises a cylinder seat, wherein the bottom of the cylinder seat is provided with a cylinder fixedly connected with the cylinder seat, a piston rod of the cylinder is vertically upwards, the front surface of the cylinder seat is provided with a guide groove which is vertically communicated with the cylinder seat, a driving block which is vertically matched with the guide groove in a sliding manner is arranged in the guide groove, the top of the piston rod of the cylinder extends into the bottom of the guide groove and is fixedly connected with the driving block, and the cylinder can drive the driving block to vertically move through the piston rod; the front surface of the driving block is fixedly provided with a sliding block insert, and the sliding block insert is positioned on the outer side of the front surface of the cylinder seat and can move up and down synchronously along with the driving block; the sliding block is arranged on the outer side of the front surface of the cylinder seat, a sliding groove which is communicated up and down is formed in the sliding block and corresponds to the back surface of the cylinder seat, and the sliding block insert is positioned in the sliding groove and is matched with the sliding groove in an up-down sliding manner; the front of the sliding block is provided with a holding needle which horizontally stretches forwards.

Further, the upper end of the front surface of the driving block is inclined inwards, the front surface of the sliding block insert is an inclined surface parallel to the front surface of the driving block, the bottom of the sliding groove is inclined inwards, the inclined angle of the sliding groove is the same as that of the front surface of the sliding block insert, and the sliding block insert can drive the sliding block to extend forwards or retract backwards when moving up and down.

Further, the end face of the sliding block insert and the end face of the sliding groove are of a T-shaped structure.

Further, the front of slider is provided with the needle groove of upper and lower intercommunication, the tip in needle groove is "T" font structure, the needle of holding up to be "T" font, its joint is in the needle groove.

Further, the supporting needle is provided with a plurality of supporting needles which are transversely arranged in parallel.

Further, a connecting groove which is communicated left and right is formed in the bottom of the sliding block, an adjusting block fixedly connected with the connecting groove is arranged in the connecting groove, and the left end and the right end of the adjusting block extend to the outer sides of the left side and the right side of the sliding block respectively; the part of the top of the adjusting block, which is positioned at the outer side of the sliding block, is provided with a limiting block which is in sliding fit with the adjusting block.

Compared with the prior art, the utility model has the following advantages: the injection mold needle supporting positioning mechanism is matched with the movable mold plate and the fixed mold plate of the injection mold, when the mold is closed, the needle supporting is moved forward by the air cylinder to support the embedded part placed in the cavity of the mold core injection mold in the mold plate, so that the embedded position of the embedded part is kept correct, the deviation can not occur, the injection molding effect is ensured, and the processing quality of injection molding products is improved.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of the top shaft side of an injection mold needle holding positioning mechanism of the present utility model;

FIG. 2 is a schematic diagram of the bottom shaft side of an injection mold needle holding positioning mechanism according to the present utility model;

FIG. 3 is a schematic top view of an injection mold needle holding positioning mechanism according to the present utility model;

FIG. 4 is a cross-sectional view of the structure of A-A in FIG. 3;

FIG. 5 is a schematic diagram of the top axial side of the slider in the injection mold needle holding positioning mechanism of the present utility model;

FIG. 6 is a schematic diagram of the bottom axial side of the slider in the injection mold needle holding positioning mechanism of the present utility model;

FIG. 7 is a schematic diagram showing the assembly of an injection mold needle holding and positioning mechanism with a male mold insert and a female mold insert;

FIG. 8 is a schematic diagram showing the assembly of the needle holding and positioning mechanism and the male mold core of the injection mold.

In the figure: 1. a cylinder; 2. a cylinder block; 21. a guide groove; 3. a driving block; 4. a slider insert; 5. a slide block; 51. a chute; 52. a needle groove; 53. an adjusting block; 54. a connection groove; 6. needle supporting; 7. a limiting block; 8. a female mold core; 9. and (5) a male die core.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the embodiments of the present utility model more apparent, the technical solutions of the embodiments of the present utility model will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present utility model, and it is apparent that the described embodiments are some embodiments of the present utility model, but not all embodiments of the present utility model. The components of the embodiments of the present utility model generally described and illustrated in the figures herein may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the utility model, as presented in the figures, is not intended to limit the scope of the utility model, as claimed, but is merely representative of selected embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model. It should be noted that: like reference numerals and letters denote like items in the following figures, and thus once an item is defined in one figure, no further definition or explanation thereof is necessary in the following figures. In the description of the embodiments of the present utility model, it should be noted that, if the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc. indicate an azimuth or a positional relationship based on that shown in the drawings, or an azimuth or a positional relationship in which the product of the present utility model is conventionally put when used, it is merely for convenience of describing the present utility model and simplifying the description, and it does not indicate or imply that the apparatus or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and thus should not be construed as limiting the present utility model. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

Furthermore, the terms "horizontal," "vertical," and the like, if any, do not denote a requirement that the component be absolutely horizontal or vertical, but rather may be slightly inclined. As "horizontal" merely means that its orientation is more horizontal than "vertical" and does not mean that the structure or component must be entirely horizontal, but may be slightly inclined.

In the description of the embodiments of the present utility model, "plurality" means at least 2.

In the description of the embodiments of the present utility model, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "mounted," "connected," and "connected" should be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1-4 of the specification, fig. 1-4 of the specification is a schematic structural diagram of an injection mold needle supporting positioning mechanism of the utility model, which comprises a cylinder seat 2, wherein the side surface of the cylinder seat 2 is in an L-shaped structure, the cylinder seat 2 can be fixedly arranged in a screw thread connecting hole preset on the side surface of a movable mold plate and a fixed mold plate through a long rod bolt, a cylinder 1 fixedly connected with the cylinder seat 2 is arranged at the bottom of the cylinder seat 2, a piston rod of the cylinder 1 is vertically upwards, a guide groove 21 which is vertically communicated is arranged on the front surface of the cylinder seat 2, the opening of the bottom of the guide groove 21 corresponds to the position of the piston rod of the cylinder 1 up and down, The driving block 3 which is matched with the guide groove 21 in a vertical sliding way is arranged in the guide groove, the top of a piston rod of the air cylinder 1 extends into the bottom of the guide groove 21 and is fixedly connected with the driving block 3, in particular, referring to the attached drawings 2 and 4 of the specification, the bottom of the driving block 3 is provided with a T-shaped groove which is communicated with the driving block 3 in a front-back way, a T-shaped adapter matched with the T-shaped groove is arranged in the T-shaped groove, the dismounting is convenient, the bottom of the adapter is fixedly connected with the top thread of the piston rod of the air cylinder, and the air cylinder 1 can drive the driving block 3 to move up and down through the piston rod; The front of the driving block 3 is fixedly provided with a sliding block insert 4, the sliding block insert 4 is fixedly connected with the driving block 3 through bolts, the sliding block insert 4 is positioned on the outer side of the front of the cylinder seat 2, and the sliding block insert 4 can move up and down synchronously along with the driving block 3; The outside of the front surface of the cylinder seat 2 is provided with a sliding block 5, the sliding block 5 is in a rectangular structure, the back surface of the sliding block 5 corresponding to the cylinder seat 2 is provided with a sliding groove 51 which is communicated up and down, as shown in the accompanying drawings 5 and 6 of the specification, the sliding block insert 4 is positioned in the sliding groove 51 and is matched with the sliding groove 51 in a sliding way up and down, in order to enable the sliding block insert 4 to be capable of being connected with the sliding groove 51 on the sliding block 5 and be convenient for sliding up and down in the sliding groove 51, the end surface of the sliding block insert 4 and the end surface of the sliding groove 51 are both in a T-shaped structure, the sliding block insert 4 is embedded in the sliding groove 51, in order to enable the sliding block 5 which is connected with the sliding block insert 4 in a sliding way to be driven by the sliding block insert 4 which moves up and down to move back and forth, Referring to fig. 4 of the specification, the upper end of the front surface of the driving block 3 is inclined inwards, the lower end is inclined outwards, so that the front surface of the driving block 3 forms an inclined surface, correspondingly, the back surface of the sliding block 5 corresponding to the driving block 3 is an inclined surface parallel to the front surface of the driving block, the front surface of the sliding block insert 4 is an inclined surface parallel to the front surface of the driving block 3, the bottom of the sliding groove 51 is inclined inwards, the top of the sliding groove is inclined outwards, and an inclined surface with the same inclined angle as the inclined angle of the front surface of the sliding block insert 4 is formed, therefore, when the sliding block insert 4 moves up and down, under the condition that the height position of the sliding block 5 is unchanged, the sliding block insert 4 and the sliding groove 51 which are matched in an up-down sliding way can drive the sliding block 5 to extend forwards or retract backwards, The sliding block 5 moves back and forth; In order to limit the height position of the sliding block 5 and facilitate the sliding block 5 to move back and forth, referring to fig. 2, 3, 5 and 6 of the specification, a connecting groove 54 which is communicated left and right is arranged at the bottom of the sliding block 5, the connecting groove 54 transversely penetrates through the bottom of the sliding block 5, an adjusting block 53 fixedly connected with the connecting groove 54 is arranged in the connecting groove 54, the adjusting block 53 is fixedly connected with the sliding block 5 through a bolt, the bottom surface of the adjusting block 53 is level with the bottom surface of the sliding block 5, the left end and the right end of the adjusting block 53 respectively extend to the outer sides of the left side and the right side of the sliding block 5, and the two ends of the adjusting block 53 extend to the left side and the right side of the sliding block 5 in a bilateral symmetry manner; the top of the adjusting block 53 is provided with a limiting block 7 in sliding fit with the adjusting block 5, the bottom surface of the limiting block 7 is in sliding fit with the top surface of the adjusting block 53, the limiting block 7 can be fixedly arranged on the movable template and the fixed template through bolts, the height of the sliding block 5 is limited through the limiting block 7, and meanwhile the front-back movement of the sliding block 5 is not influenced; The front surface of the sliding block 5 is provided with a plurality of holding pins 6 which extend forwards and horizontally, the number of the holding pins 6 is determined according to the design requirement, the holding pins can be transversely arranged in parallel, the front surface of the sliding block 5 is provided with a pin slot 52 which is communicated up and down, the end part of the pin slot 52 is in a T-shaped structure, the holding pins 6 are in a T shape and are clamped in the pin slot 52, the injection mold provided with the injection mold holding pin positioning mechanism is provided with grooves which are convenient for the sliding block 5 to be embedded in, grooves are preset on a movable mold plate and a fixed mold plate, the sliding block 5 is in sliding fit with the grooves, the side surfaces of a female mold insert and a male mold insert which are arranged on the movable mold plate and the fixed mold plate are provided with pinholes which are communicated with a cavity, The right side of the sliding block 5 holds up the needle 6 and stretches into in the pinhole, and simultaneously, through the restriction of the pinhole, the height position of the holding up needle 6 on the sliding block 5 can be effectively ensured.

During the use, refer to fig. 7 and 8 of the specification, two groups of injection mold needle supporting positioning mechanisms are required to be matched with a movable mold and a fixed mold respectively, specifically, one group of injection mold needle supporting positioning mechanisms are installed on a movable template of the movable mold, the other group of injection mold needle supporting positioning mechanisms are installed on a top template of the fixed mold, two sliding blocks 5 on the two groups of injection mold needle supporting positioning mechanisms are respectively arranged in preset grooves on the movable template and a master template, height limiting is carried out through limiting blocks 7, the front ends of supporting pins 6 which are installed on the front sides of the sliding blocks 5 extend into pinholes of corresponding mold cores, when the movable mold and the fixed mold are matched, the two groups of injection mold needle supporting positioning mechanisms on the movable mold and the fixed mold work, a driving block 3 is driven by a piston rod to move upwards, a driving block 4 drives a sliding block insert 4 to move synchronously, when the sliding block insert 4 moves upwards, the sliding block 5 pushes the sliding block 5 horizontally towards the central direction of the module, the supporting pins 6 which are connected to the front sides of the corresponding mold cores, the supporting pins 6 move forwards through the supporting pins 6, and the supporting pins 6 move forwards to enable the corresponding mold cores to be embedded in the mold cores to be matched with the mold cores, and the mold cores are driven to move out of the mold cores, and the mold cavity is moved to the mold cavity is moved correctly, so that the metal inserts are matched with the mold core is moved.

The injection mold needle supporting positioning mechanism is matched with a movable template and a fixed template of an injection mold, when the mold is closed, the needle supporting 6 moves forwards through the air cylinder 1 to support an embedded part placed in a cavity of a mold core injection mold in the template, so that the embedded position of the embedded part is kept correct, deviation can not occur, the injection molding effect is ensured, and the processing quality of injection molding products is improved.

It is emphasized that: the above is only a preferred embodiment of the present utility model, and is not intended to limit the present utility model, but various modifications and variations can be made to the present utility model by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present utility model should be included in the protection scope of the present utility model.

Claims (6)

1. The utility model provides an injection mold holds up needle positioning mechanism which characterized in that: the device comprises a cylinder seat (2), wherein a cylinder (1) fixedly connected with the cylinder seat is arranged at the bottom of the cylinder seat (2), a piston rod of the cylinder (1) is vertically upwards, a guide groove (21) which is vertically communicated is formed in the front of the cylinder seat (2), a driving block (3) which is vertically matched with the guide groove in a sliding manner is arranged in the guide groove (21), the top of the piston rod of the cylinder (1) stretches into the bottom of the guide groove (21) and is fixedly connected with the driving block (3), and the cylinder (1) can drive the driving block (3) to move up and down through the piston rod; the front surface of the driving block (3) is fixedly provided with a sliding block insert (4), and the sliding block insert (4) is positioned on the outer side of the front surface of the cylinder seat (2) and can move up and down synchronously along with the driving block (3); a sliding block (5) is arranged on the outer side of the front surface of the cylinder seat (2), a sliding groove (51) which is communicated up and down is arranged on the sliding block (5) corresponding to the back surface of the cylinder seat (2), and the sliding block insert (4) is positioned in the sliding groove (51) and is in sliding fit with the sliding groove (51) up and down; the front surface of the sliding block (5) is provided with a holding needle (6) which horizontally stretches forwards.

2. The injection mold needle holding positioning mechanism according to claim 1, wherein: the upper end of the front face of the driving block (3) is inclined inwards, the front face of the sliding block insert (4) is an inclined plane parallel to the front face of the driving block (3), the bottom of the sliding groove (51) is inclined inwards, the inclined angle of the sliding groove is the same as that of the front face of the sliding block insert (4), and the sliding block insert (4) can drive the sliding block (5) to extend forwards or retract backwards when moving up and down.

3. The injection mold needle holding positioning mechanism according to claim 1, wherein: the end face of the sliding block insert (4) and the end face of the sliding groove (51) are of T-shaped structures.

4. The injection mold needle holding positioning mechanism according to claim 1, wherein: the front of slider (5) is provided with needle groove (52) of upper and lower intercommunication, the tip of needle groove (52) is "T" font structure, hold up needle (6) and be "T" font, its joint is in needle groove (52).

5. The injection mold needle holding positioning mechanism according to claim 1, wherein: the supporting needle (6) is provided with a plurality of supporting needles which are transversely arranged in parallel.

6. The injection mold needle holding positioning mechanism according to claim 1, wherein: the bottom of the sliding block (5) is provided with a connecting groove (54) which is communicated left and right, an adjusting block (53) fixedly connected with the connecting groove (54) is arranged in the connecting groove, and the left end and the right end of the adjusting block (53) respectively extend to the outer sides of the left side and the right side of the sliding block (5); the top of the adjusting block (53) is provided with a limiting block (7) which is in sliding fit with the adjusting block at the position outside the sliding block (5).