CN217621983U - Slag bag removal tool for ejection injection molded parts - Google Patents

Abstract

The utility model discloses a cinder ladle excision frock for demolding injection molding, including lower cutting die, go up the cutting die, lower blade holder, go up the blade holder and be used for adjusting the two-way lead screw sliding sleeve subassembly of horizontal and longitudinal direction interval, lower cutting die horizontal direction is provided with horizontal and fore-and-aft two sets of lead screw sliding sleeve subassembly, including horizontal fixed lead screw, vertical fixed lead screw, horizontal activity lead screw, vertical activity lead screw and three sliding sleeves, it is provided with horizontal and fore-and-aft two sets of lead screw sliding sleeve subassemblies to go up the cutting die horizontal direction, lower blade holder includes fixed lower blade holder and activity lower blade holder, it wears the cover cooperation on two sets of lead screw sliding sleeve subassemblies of last cutting die to go up the blade holder, this cinder ladle excision frock for demolding injection molding adopts the mode of combination cutting die from top to bottom, align the waste material cinder ladle of product periphery with the blade holder and implement and cut, and the blade holder horizontal and longitudinal direction utilizes sliding sleeve subassembly cooperation spacing, the excision of the multiple different specifications of adaptation product edge waste material cinder ladle, and bag efficiency are got rid of getting rid of product, and convenient, and the improvement qualification rate.

Description

Slag bag removal tool for ejection injection molded parts

technical field

The utility model relates to the technical field of mold auxiliary equipment, in particular to a slag bag cutting tool used for ejecting injection molded parts.

Background technique

Existing mold injection molding products are usually designed with a slag bag cavity in the mold design to assist the pressurized injection molding product, and the overflowing raw materials pass through the overflow molding waste slag bag. Referring to Figures 1 and 3, the slag bag needs to be cut off after the finished product is cooled and shaped and the mold is opened. Traditionally, there are various cutting methods, and there is even a process plan for manually breaking the waste slag bag. Referring to Figure 2, the solution of manual direct breaking often occurs that the overflow section is connected to the edge of the product and breaks at the same time, which directly damages the molding quality of the product, resulting in unqualified, or the overflow section is not completely broken, leaving excess. The edge of the product is connected to the edge of the product, resulting in burrs on the edge of the product, which also causes the finished product to be unqualified.

There are also existing cutting equipment that uses waste removal slag bags, but cutting equipment for different types of products requires special transfer, resulting in repeated manufacturing of cutting equipment and increasing equipment costs. Cutting equipment that cleans the waste slag bag on the peripheral edge of the product of the specifications and models, so as to improve the efficiency of removing the slag bag from the product and improve the qualified rate of the product.

Utility model content

The purpose of this utility model: in order to cut off the waste slag bag on the peripheral edge of products of different specifications and models, to improve the efficiency of removing the slag bag from the product, and to improve the qualification rate of the product, we design a slag bag removal tool for injection molding parts, Using the method of combining the upper and lower dies, the waste slag bag on the outer periphery of the product is aligned with the knife seat for cutting, and the horizontal and vertical directions of the knife seat are adjusted by the screw sliding sleeve assembly to adapt to a variety of different specifications of product edge waste slag The removal of the bag is practical and convenient, the efficiency of removing the slag bag of the product is improved, and the qualified rate of the product is improved.

The technical solutions adopted to solve the above problems are:

A slag bag cutting tool for ejecting injection molded parts, comprising a lower die, an upper die, a lower tool seat, an upper tool seat and a bidirectional screw sliding sleeve assembly for adjusting the spacing in the horizontal and vertical directions,

The lower die is provided with two sets of horizontal and vertical screw sliding sleeve assemblies in the horizontal direction, including a horizontal fixed screw, a vertical fixed screw, a horizontal movable screw, a longitudinal movable screw and three sliding sleeves. The two ends of the fixed screw rod are positioned in coordination with the bearing seat provided on the lateral side wall of the lower knife seat, the two ends of the longitudinal fixed screw rod are positioned in cooperation with the bearing seat provided on the longitudinal side wall of the lower knife seat, and the horizontal movable screw rod is positioned with the bearing seat provided on the longitudinal side wall of the lower knife seat. The horizontal sliding grooves provided on the lateral side walls of the lower tool seat cooperate to implement longitudinal sliding, and the longitudinal movable screw rods cooperate with the longitudinal sliding grooves provided on the longitudinal side walls of the lower tool seat to perform lateral sliding. Cross-shaped, including a horizontal matching hole and a vertical matching hole, wherein the horizontal matching hole of the sliding sleeve matched with the horizontal fixed screw rod and the longitudinal movable screw rod is provided with a threaded section that is screwed and matched with the screw rod, which is driven by the horizontal fixed screw rod Sliding, the longitudinal matching hole of the sliding sleeve that cooperates with the longitudinal fixed screw and the horizontal movable screw is provided with a threaded section that is screwed and matched with the screw. There is no thread in the horizontal matching hole and longitudinal matching hole of the sliding sleeve matched with the movable screw, which can slide freely.

The upper knife die is provided with two sets of horizontal and vertical screw sliding sleeve assemblies in the horizontal direction,

The lower knife seat is fitted on two sets of screw sliding sleeve assemblies of the lower knife die, including a fixed lower knife seat and a movable lower knife seat, and the fixed lower knife seat is sleeved and arranged on the horizontal fixed screw rod and the horizontal movable wire. The rear side of the rod, as well as the left side of the longitudinal fixed screw and the longitudinal movable screw, are used for the removal of the slag bag on the back and left sides of the positioning product. The front side of the screw rod, and the right side of the longitudinal fixed screw rod and the longitudinal movable screw rod are used for the cutting of the slag bag on the front side and the right side of the positioning product,

The upper knife seat is fitted on two sets of screw sliding sleeve assemblies of the upper knife die, including a fixed upper knife seat and a movable upper knife seat, and the matching relationship with the screw sliding sleeve assembly is the same as that of the lower knife seat,

The upper end of the lower knife seat is provided with a cutting knife seat, and the cutting knife seat is provided with a cutting lower blade at the position facing the cutting knife,

The lower end of the upper knife seat is provided with a cutting pressing block to cooperate with the overflow section that presses the outer edge of the product when the upper knife mold and the lower knife mold are clamped. The inner side of the upper knife seat is vertically provided with a dovetail groove. There is a cutting knife in the inner matching and sliding, the lower section of the cutting knife is provided with a cutting upper blade at the position of the cutting lower blade, and a pen-shaped air cylinder is fixedly connected to the upper end of the cutting knife, and the pen-shaped air cylinder drives the cutting knife to carry out cutting. cut action.

Further, the outer side of the horizontal fixed screw rod and the longitudinal fixed screw rod is driven to rotate by a motor and a governor.

Further, the fixed lower knife seat only rotates axially with the screw rod without axial displacement, and the movable lower knife seat is provided with a threaded section, which is threadedly engaged with the screw rod to slide and displace.

Further, the upper knife seat fits and slides with the upper cover plate of the upper knife mold, and the lower knife seat fits and slides with the lower bottom plate of the lower knife mold.

Further, the groove depth of the dovetail groove is equal to the thickness dimension of the cutting knife, so as to ensure the complete removal of the overflow section and fully remove the slag bag.

Further, the groove depth of the dovetail groove is greater than the thickness of the cutting knife, so that after the lower knife seat is close to the edge of the product and positioned, there is a gap between the cutting knife and the edge, so that a part of the overflow section is connected to the product. , so as to facilitate the subsequent finishing of the product edge contour.

The beneficial effects of the present utility model are:

The slag bag cutting tool for ejecting injection molded parts adopts the method of combining upper and lower dies. The waste slag bag on the outer periphery of the product is aligned with the knife seat for cutting, and the horizontal and vertical directions of the knife seat are adjusted by the screw sliding sleeve assembly. It is suitable for the removal of waste slag bags at the edge of a variety of products of different specifications, which is practical and convenient, improves the efficiency of removing slag bags from products, and improves the qualification rate of products.

Description of drawings

Fig. 1 is the structural representation of the waste slag bag of overflow molding;

Fig. 2 is a partial enlarged view at B in Fig. 1;

Fig. 3 is the sectional view of A-A section in Fig. 1;

FIG. 4 is a schematic structural diagram of a slag bag cutting tool used for ejecting injection molded parts according to the present embodiment;

Fig. 5 is the partial enlarged view of C place in Fig. 4;

Fig. 6 is the top view of the slag bag cutting tool used for ejecting injection molded parts according to the present embodiment;

FIG. 7 is a schematic structural diagram of the upper tool holder according to the present embodiment;

Among them, 1- product, 2- overflow section, 3- exhaust slag strip, 4- slag bag, 5- product edge, 6- breaking point, 7- upper cover plate, 8- sliding sleeve, 9- upper die Longitudinal fixed screw, 10-fixed upper knife seat, 11-pen-shaped cylinder, 12-movable upper knife seat, 13-horizontal movable screw of upper knife mold, 14-upper knife mold, 15-cutting knife, 16- Lower cutter die, 17-movable lower cutter base, 18-longitudinal fixed screw rod of lower cutter die, 19-fixed lower cutter base, 20-horizontal movable screw rod of lower cutter die, 21-cutting pressure block, 22-cutting Upper cutting edge, 23-cutting lower edge, 24-cutting knife base, 25-motor for longitudinal spacing adjustment, 26-longitudinal movable screw, 27-transverse chute, 28-motor for lateral spacing adjustment, 29-transverse Active screw, 30-longitudinal chute, 31-clearance.

Detailed ways

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to FIGS. 4-7 , this embodiment proposes a slag bag cutting tool for ejecting injection molded parts, including a lower die 16 , an upper die 14 , a lower tool seat, an upper tool seat, and a tool for adjusting the horizontal and vertical directions. Bi-directional screw slide sleeve 8 components with spacing.

Specifically, referring to FIG. 4, the lower die 16 is provided with two sets of horizontal and vertical screw sliding sleeve 8 components in the horizontal direction, including a horizontal fixed screw, a vertical fixed screw, a horizontal movable screw 29, and a longitudinal movable screw 29. The screw rod 26 and the three sliding sleeves 8, the two ends of the horizontal fixed screw rod are positioned with the bearing seat provided on the lateral side wall of the lower knife seat, and the two ends of the longitudinal fixed screw rod are provided with the longitudinal side wall of the lower knife seat. The bearing seat is matched for positioning, the horizontal movable screw 29 cooperates with the transverse chute 27 provided on the lateral side wall of the lower knife seat to perform longitudinal sliding, and the longitudinal movable screw 26 is provided with the longitudinal side wall of the lower knife seat. The longitudinal sliding grooves 30 cooperate to implement lateral sliding, and the three sliding sleeves 8 are cross-shaped, including transverse matching holes and longitudinal matching holes. The hole is provided with a threaded section that is screwed and matched with the lead screw, which is driven to slide by the horizontal fixed lead screw. The threaded section that is connected and matched is driven by the longitudinal fixed screw rod to slide, and the lateral matching holes and longitudinal matching holes of the sliding sleeve 8 which are matched with the horizontal movable screw rod 29 and the longitudinal movable screw rod 26 have no threaded sections in the horizontal matching holes, and can freely slide and move. .

Referring to FIG. 6 , the upper die 14 is provided with two sets of horizontal and vertical screw sliding sleeve 8 assemblies in the horizontal direction.

The lower knife seat is fitted on the two sets of screw sliding sleeves 8 components of the lower knife die 16, including a fixed lower knife seat 19 and a movable lower knife seat 17, and the fixed lower knife seat 19 is sleeved and arranged on the horizontal fixed wire. The rear side of the rod and the horizontal movable screw 29, as well as the left side of the longitudinal fixed screw and the longitudinal movable screw 26, are used to cut off the slag bag 4 on the rear and left side of the positioning product 1. The sleeve is arranged on the front side of the horizontal fixed screw and the horizontal movable screw 29, and the right side of the longitudinal fixed screw and the longitudinal movable screw 26, so as to cooperate with the slag bag 4 on the front and right side of the positioning product 1 to be cut off.

The upper knife seat is fitted on the two sets of screw sliding sleeve 8 components of the upper knife die 14, including the fixed upper knife seat 10 and the movable upper knife seat 12, and the matching relationship with the screw sliding sleeve 8 components is the same as that of the lower knife. seat.

The upper end of the lower knife seat is provided with a cutting knife seat 24 , and the cutting knife seat 24 is provided with a cutting lower blade 23 at a position facing the cutting knife 15 .

The lower end of the upper knife seat is provided with a cutting pressing block 21 to cooperate with the overflow section 2 of pressing the outer edge of the product 1 when the upper knife die 14 and the lower knife mold 16 are clamped, and a dovetail groove is vertically opened on the inner side of the upper knife seat. There is a cutting knife 15 sliding in the dovetail groove, the lower section of the cutting knife 15 is provided with a cutting upper blade 22 at the position facing the cutting lower blade 23, and a pen-shaped air cylinder is fixedly connected to the upper end of the cutting knife 15 11. The cutting knife 15 is driven by the pen-shaped air cylinder 11 to carry out the cutting action.

In a further embodiment, referring to FIG. 6 , the outer side of the horizontal fixed screw rod and the longitudinal fixed screw rod are driven to rotate by a motor and a governor.

In a further embodiment, the fixed lower tool seat 19 only rotates axially with the screw without axial displacement, and the movable lower tool seat 17 is provided with a threaded section, which is threadedly engaged with the screw to slide and displace.

In a further embodiment, referring to FIG. 4 , the upper knife seat and the upper cover plate 7 of the upper knife die 14 fit and slide, and the lower knife seat and the lower bottom plate of the lower knife die 16 fit and slide.

A further embodiment is, referring to FIG. 7 , the depth of the dovetail groove is greater than the thickness dimension of the cutting knife 15, so that after the lower knife seat is close to the edge of the product 1 and positioned, the cutting knife 15 and the edge leave a gap 31, A part of the control overflow section 2 is connected to the product 1 so as to facilitate the subsequent finishing processing of the edge contour of the product 1 .

The embodiments of the present utility model have been described in detail above in conjunction with the accompanying drawings, but the present utility model is not limited to the above-mentioned embodiments, and within the scope of knowledge possessed by those of ordinary skill in the art, the present utility model can also be used without departing from the purpose of the present utility model. Various changes, modifications, substitutions and alterations are made below, the scope of the present invention is defined by the appended claims and their equivalents.

Claims (9)

1. A slag bag excision tooling for ejecting injection molded parts, comprising a lower die, an upper die, a lower tool seat, an upper tool seat and a bidirectional screw sliding sleeve assembly for adjusting the spacing in the horizontal and vertical directions, it is characterized in that: in: The lower die is provided with two sets of horizontal and vertical screw sliding sleeve assemblies in the horizontal direction, including a horizontal fixed screw, a vertical fixed screw, a horizontal movable screw, a longitudinal movable screw and three sliding sleeves. The two ends of the fixed screw rod are positioned in coordination with the bearing seat provided on the lateral side wall of the lower knife seat, the two ends of the longitudinal fixed screw rod are positioned in cooperation with the bearing seat provided on the longitudinal side wall of the lower knife seat, and the horizontal movable screw rod is positioned with the bearing seat provided on the longitudinal side wall of the lower knife seat. The transverse sliding grooves provided on the lateral side walls of the lower knife seat cooperate with each other to implement longitudinal sliding, and the longitudinal movable screw rods cooperate with the longitudinal sliding grooves provided on the longitudinal side walls of the lower knife block to implement transverse sliding. The upper knife die is provided with two sets of horizontal and vertical screw sliding sleeve assemblies in the horizontal direction, The lower knife seat is fitted on two sets of screw sliding sleeve assemblies of the lower knife die, including a fixed lower knife seat and a movable lower knife seat, and the fixed lower knife seat is sleeved and arranged on the horizontal fixed screw rod and the horizontal movable wire. The rear side of the rod, as well as the left side of the longitudinal fixed screw and the longitudinal movable screw, the movable lower knife seat is sleeved and arranged on the front side of the lateral fixed screw and the lateral movable screw, and the longitudinal fixed screw and the longitudinal movable screw. the right side of the screw, The upper knife seat is fitted on two sets of screw sliding sleeve assemblies of the upper knife die, including a fixed upper knife seat and a movable upper knife seat, and the matching relationship with the screw sliding sleeve assembly is the same as that of the lower knife seat. 2 . The slag bag cutting tool according to claim 1 , wherein the upper end of the lower knife seat is provided with a cutting knife seat, and the cutting knife seat is facing the position of the cutting knife. 3 . A cutting edge is provided. 3. The slag bag cutting tool for ejecting injection molded parts according to claim 2, characterized in that: the lower end of the upper knife seat is provided with a cutting pressure block, and the inner side of the upper knife seat is vertically provided with a dovetail groove, so The dovetail groove is fitted with a cutting knife, the lower section of the cutting knife is provided with a cutting upper blade facing the cutting lower blade, a pen-shaped air cylinder is fixedly connected to the upper end of the cutting knife, and the pen-shaped air cylinder drives the cutting knife Perform the cutting action. 4 . The slag bag cutting tool for ejecting injection molded parts according to claim 1 , wherein the three sliding sleeves are cross-shaped and include transverse matching holes and longitudinal matching holes, which are connected with the transverse fixed screw rods. 5 . , The horizontal matching hole of the sliding sleeve matched with the longitudinal movable screw rod is provided with a threaded section that is screwed and matched with the screw rod. The longitudinal matching hole is provided with a threaded section that is screwed and matched with the lead screw, which is driven by the longitudinal fixed lead screw to slide. segment, free sliding action. 5 . The slag bag cutting tool for ejecting injection molded parts according to claim 1 , wherein the lateral fixed screw rod and the outer side of the longitudinal fixed screw rod are driven to rotate by a motor and a governor. 6 . 6. The slag bag cutting tool for ejecting injection molded parts according to claim 1, characterized in that: the fixed lower knife seat only rotates axially with the screw without axial displacement, and the movable lower knife The seat is provided with a threaded section, which is screwed with the lead screw to slide and shift. 7. The slag bag cutting tool for ejecting injection molded parts according to claim 1, characterized in that: the upper knife seat and the upper cover plate of the upper knife die fit and slide, and the lower knife seat and the lower The lower bottom plate of the knife die fits and slides. 8 . The slag bag cutting tool for ejecting injection molded parts according to claim 3 , wherein the depth of the dovetail groove is equal to the thickness dimension of the cutting knife. 9 . 9 . The slag bag cutting tool for ejecting injection molded parts according to claim 3 , wherein the groove depth of the dovetail groove is greater than the thickness dimension of the cutting knife, so that the lower knife seat is close to the edge of the product and positioned. 10 . After that, there is a gap between the cutter and the edge.

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