CN214872280U

CN214872280U - Injection mold capable of cutting off sprue in mold

Info

Publication number: CN214872280U
Application number: CN202022885830.0U
Authority: CN
Inventors: 王立江
Original assignee: Sheyang Jinchangxin Precision Mould Technology Co ltd
Current assignee: Sheyang Jinchangxin Precision Mould Technology Co ltd
Priority date: 2020-12-04
Filing date: 2020-12-04
Publication date: 2021-11-26
Anticipated expiration: 2030-12-04

Abstract

The utility model relates to an injection mold technical field just discloses an injection mold that can cut off runner in mould, the on-line screen storage device comprises a base, the upper end fixedly connected with cover half of base, the upside of cover half is provided with the movable mould, the lower die cavity has been seted up to the upper end of cover half, the die cavity has been seted up to the lower extreme of movable mould, the recess has been seted up to the front side of base, the relative one side inner wall from top to bottom of recess is connected with two rotation screw rods through ball bearing symmetry rotation, the fixed driven bevel gear that has cup jointed of lower extreme pole wall of rotation screw rod, the fixed biax motor that is provided with of bottom inner wall of recess, the equal fixedly connected with bull stick of both ends output shaft about the biax motor, the one end fixedly connected with of biax motor and the initiative bevel gear that driven bevel gear meshed are kept away from to the bull stick. The utility model discloses can carry out quick runner in the mould and cut off, effectively improve the production efficiency of moulding plastics, convenient to use.

Description

Injection mold capable of cutting off sprue in mold

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold that can cut off runner in mould.

Background

In injection mold's mold design, the application of mouth or overlap joint runner is glued to the side is comparatively general, because side runner or overlap joint runner simple structure, easily processing, and hot melt adhesive mobility is good, and loss of pressure is little, so most plastic parts advance gluey mode and all adopt side runner or overlap joint runner to advance gluey.

However, after the plastic part is formed, the sprue and the plastic part need to be manually cut and separated, so that the production cost is high, the production efficiency is low, and the actual injection molding use cannot be well met.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the separation needs artifical shearing with the plastic part behind the plastic part shaping among the prior art, causes manufacturing cost higher, and the lower actual use of moulding plastics that can not be fine of satisfying of production efficiency, and the injection mold who cuts off the runner in the mould that proposes.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

an injection mold capable of cutting off a sprue in a mold comprises a base, wherein a fixed mold is fixedly connected to the upper end of the base, a movable mold is arranged on the upper side of the fixed mold, a lower mold cavity is formed in the upper end of the fixed mold, an upper mold cavity is formed in the lower end of the movable mold, a groove is formed in the front side of the base, two rotating screws are symmetrically and rotatably connected to the inner wall of one side, opposite to the upper side and the lower side, of the groove through ball bearings, a driven bevel gear is fixedly sleeved on the lower end rod wall of each rotating screw, a double-shaft motor is fixedly arranged on the inner wall of the bottom of the groove, rotating rods are fixedly connected to output shafts at the left end and the right end of each double-shaft motor, a driving bevel gear meshed with the driven bevel gear is fixedly connected to one end of each rotating rod, the rod wall threads of each rotating screw are sleeved with a same lifting plate, and the upper end of each lifting plate is fixedly connected with a same limiting plate through a plurality of compensating springs, the upper end fixedly connected with cutting board of limiting plate, the upper end of cutting board runs through the upper end of base, the opening that is used for cutting board to stretch into is offered to the lower extreme of cover half.

Preferably, the inner wall of the bottom of the groove is symmetrically and fixedly connected with two bearing seats, and the inner parts of the bearing seats are rotatably sleeved outside the rod wall of one end of the rotating rod close to the driving bevel gear through ball bearings.

Preferably, the inner wall of the bottom of the groove is fixedly connected with a protective shell which covers the driven bevel gear, the double-shaft motor and the driving bevel gear, and the upper end of the protective shell is symmetrically and fixedly connected with two abutting blocks which are abutted to the lower side of the lifting plate.

Preferably, the inner wall of one side opposite to the upper side and the lower side of the groove is symmetrically and fixedly connected with a plurality of limiting slide bars, and the surface of the lifting plate is provided with a plurality of slide holes which are in slide sleeve joint with the limiting slide bars.

Preferably, the double-shaft motor is electrically connected with an external power supply through a control switch.

Preferably, the lower end of the base is fixedly connected with a layer of anti-skid and wear-resistant rubber pad.

Compared with the prior art, the utility model provides a can cut off injection mold of runner in mould possesses following beneficial effect:

1. this can cut off injection mold of runner in mould, through the cutting board that is equipped with, when needs cut off runner department, start the double-shaft motor, the double-shaft motor passes through the bull stick and drives two drive bevel gear rotations, the meshing effect that utilizes drive bevel gear and driven bevel gear drives two rotation screw rods and rotates in step, the screw sleeve joint effect of rethread rotation screw rod and lifter plate makes the lifter plate move the cutting board and shifts up, and then can carry out quick runner in the mould and cut off, the production efficiency of moulding plastics has effectively been improved, and convenient to use.

2. This injection mold that can cut off runner in mould, through a plurality of compensating spring and the limiting plate that is equipped with, the limiting plate can make the cutting board go up to move to suitable height and cut off the operation, and compensating spring's setting can avoid the biax motor volume of operation to appear the deviation and cause the problem that rigid extrusion caused the damage easily.

And the part that does not relate to among the device all is the same with prior art or can adopt prior art to realize, the utility model discloses can carry out quick runner in the mould and cut off, effectively improve the production efficiency of moulding plastics, convenient to use.

Drawings

Fig. 1 is a schematic structural diagram of an injection mold capable of cutting off a gate in the mold according to the present invention;

fig. 2 is a schematic structural diagram of a portion a of an injection mold capable of cutting off a gate in a mold according to the present invention.

In the figure: the device comprises a base 1, a fixed die 2, a movable die 3, a lower die cavity 4, an upper die cavity 5, a groove 6, a rotating screw 7, a driven bevel gear 8, a double-shaft motor 9, a rotating rod 10, a driving bevel gear 11, a lifting plate 12, a compensating spring 13, a limiting plate 14, a cutting plate 15, a through hole 16, a protective shell 17, an abutting block 18 and a limiting slide rod 19.

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.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Referring to fig. 1-2, an injection mold capable of cutting off a gate in a mold comprises a base 1, a fixed mold 2 is fixedly connected to the upper end of the base 1, a movable mold 3 is arranged on the upper side of the fixed mold 2, a lower mold cavity 4 is arranged on the upper end of the fixed mold 2, an upper mold cavity 5 is arranged on the lower end of the movable mold 3, a groove 6 is arranged on the front side of the base 1, two rotating screws 7 are symmetrically and rotatably connected to the inner wall of the upper and lower opposite sides of the groove 6 through ball bearings, a driven bevel gear 8 is fixedly sleeved on the lower end rod wall of the rotating screw 7, a double-shaft motor 9 is fixedly arranged on the inner wall of the bottom of the groove 6, rotating rods 10 are fixedly connected to output shafts at the left and right ends of the double-shaft motor 9, a driving bevel gear 11 meshed with the driven bevel gear 8 is fixedly connected to one end of each rotating rod 10 away from the double-shaft motor 9, the same lifting plate 12 is sleeved on the rod wall threads of the two rotating screws 7, the upper end of the same limiting plate 14 is fixedly connected through a plurality of compensating springs 13, the upper end fixedly connected with cutting board 15 of limiting plate 14, the upper end of cutting board 15 runs through the upper end of base 1, and the lower extreme of cover half 2 is offered and is used for cutting board 15 to stretch into opening 16.

The inner wall of the bottom of the groove 6 is symmetrically and fixedly connected with two bearing seats, and the insides of the bearing seats are rotatably sleeved outside the rod wall of one end of the rotating rod 10 close to the driving bevel gear 11 through a ball bearing.

The inner wall of the bottom of the groove 6 is fixedly connected with a protective shell 17 which covers the driven bevel gear 8, the double-shaft motor 9 and the driving bevel gear 11, and the upper end of the protective shell 17 is symmetrically and fixedly connected with two abutting blocks 18 which are abutted to the lower side of the lifting plate 12.

The inner wall of one side of the groove 6 opposite to the upper side and the lower side is symmetrically and fixedly connected with a plurality of limiting slide bars 19, and the surface of the lifting plate 12 is provided with a plurality of slide holes which are in slide sleeve joint with the limiting slide bars 19.

The double-shaft motor 9 is electrically connected with an external power supply through a control switch.

The lower end of the base 1 is fixedly connected with a layer of anti-skid and wear-resistant rubber pad.

In the utility model, when in use, the cutting board 15 is arranged, when the sprue is required to be cut off, the double-shaft motor 9 is started, the double-shaft motor 9 drives the two driving bevel gears 11 to rotate through the rotating rod 10, the two rotating screw rods 7 are driven to synchronously rotate by utilizing the meshing action of the driving bevel gears 11 and the driven bevel gears 8, and the lifting board 12 drives the cutting board 15 to move upwards through the threaded sleeve effect of the rotating screw rods 7 and the lifting board 12, thereby being capable of cutting off the sprue rapidly in the mold, effectively improving the injection molding production efficiency, being convenient for use, by means of the presence of the plurality of compensation springs 13 and of the limit plate 14, the limit plate 14 enables the cutting plate 15 to be moved up to the appropriate height for the cutting operation, and the arrangement of the compensating spring 13 can avoid the problem that the operation amount of the double-shaft motor 9 is deviated to cause hard extrusion to easily cause damage.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a can cut off injection mold of runner in mould, includes base (1), its characterized in that, upper end fixedly connected with cover half (2) of base (1), the upside of cover half (2) is provided with movable mould (3), die cavity (4) down have been seted up to the upper end of cover half (2), last die cavity (5) have been seted up to the lower extreme of movable mould (3), recess (6) have been seted up to the front side of base (1), the upper and lower relative one side inner wall of recess (6) is connected with two rotating screw (7) through ball bearing symmetry rotation, the lower extreme pole wall of rotating screw (7) is fixed to be cup jointed driven bevel gear (8), the fixed biax motor (9) that is provided with in bottom inner wall of recess (6), the equal fixedly connected with bull stick (10) of both ends output shaft about biax motor (9), the one end fixedly connected with that biax motor (9) were kept away from in bull stick (10) and driven bevel gear (8) meshing main Move bevel gear (11), two the pole wall screw thread that rotates screw rod (7) has cup jointed same lifter plate (12), the upper end of lifter plate (12) is through the same limiting plate (14) of a plurality of compensating spring (13) fixedly connected with, the upper end fixedly connected with cutting board (15) of limiting plate (14), the upper end of base (1) is run through to the upper end of cutting board (15), opening (16) that are used for cutting board (15) to stretch into are offered to the lower extreme of cover half (2).

2. The injection mold capable of cutting off the sprue in the mold as claimed in claim 1, wherein the inner wall of the bottom of the groove (6) is symmetrically and fixedly connected with two bearing seats, and the inner part of the bearing seat is rotatably sleeved outside the end rod wall of the rotating rod (10) close to the driving bevel gear (11) through a ball bearing.

3. The injection mold capable of cutting off the sprue in the mold as claimed in claim 1, wherein a protective shell (17) covering the driven bevel gear (8), the double-shaft motor (9) and the driving bevel gear (11) is fixedly connected to the inner wall of the bottom of the groove (6), and two abutting blocks (18) abutting against the lower side of the lifting plate (12) are symmetrically and fixedly connected to the upper end of the protective shell (17).

4. An injection mold capable of cutting off a gate in a mold according to claim 1, wherein a plurality of limiting slide bars (19) are symmetrically and fixedly connected to the inner wall of one side of the groove (6) opposite to the upper side and the lower side, and a plurality of slide holes slidably sleeved with the limiting slide bars (19) are formed on the surface of the lifting plate (12).

5. An injection mold capable of cutting off a sprue in a mold according to claim 1, wherein the two-shaft motor (9) is electrically connected with an external power supply through a control switch.

6. An injection mould with a gate capable of being cut off in a mould according to claim 1, wherein a layer of anti-skid and wear-resistant rubber pad is fixedly connected to the lower end of the base (1).