CN213564037U

CN213564037U - Injection mold capable of rotationally demolding

Info

Publication number: CN213564037U
Application number: CN202021788626.0U
Authority: CN
Inventors: 宁爱中
Original assignee: Sanheng Precision Industrial Shenzhen Co ltd
Current assignee: Sanheng Precision Industrial Shenzhen Co ltd
Priority date: 2020-08-25
Filing date: 2020-08-25
Publication date: 2021-06-29
Anticipated expiration: 2030-08-25

Abstract

The utility model discloses an injection mold of rotatable drawing of patterns, base including fixed mould, one side of base top outer wall has the control box through the bolt spiro union, the both sides of base top outer wall all have electronic slide rail through the bolt spiro union, and the inner wall sliding connection of two electronic slide rails has same mounting bracket, the rectangular channel has been seted up to base top outer wall, and rectangular channel bottom inner wall has seted up the circular slot, circular slot bottom inner wall is fixed with the bed die through the bearing, the internal thread has been seted up to the inner wall of bed die, and the bed die has last mould through the screw spiro union, the mounting groove has been seted up to bed die bottom inner wall, and mounting groove bottom inner wall has pressure sensor through the bolt spiro union. The utility model discloses a set up one end threaded connection part between last bed die, will rotate the bed die earlier during the drawing of patterns and just can carry out direct drawing of patterns, the whole atress of mould is even when the bed die rotates, and mould atress is inhomogeneous when avoiding direct drawing of patterns leads to the mould to damage.

Description

Injection mold capable of rotationally demolding

Technical Field

The utility model relates to an injection mold technical field especially relates to an injection mold of rotatable drawing of patterns.

Background

Injection molding is a method for producing and molding industrial products. The products are generally produced by rubber injection molding and plastic injection molding. The injection molding can be classified into injection molding and die casting. An injection molding machine (an injection machine or an injection molding machine for short) is a main molding device for making thermoplastic plastics or thermosetting materials into plastic products with various shapes by using a plastic molding die, and the injection molding is realized by the injection molding machine and the die.

The existing injection mold is mostly directly demolded when demolded, the local damage of the injection molding machine is easily caused again by the demolding mode, and the mold with one side rotating for demolding is provided mainly because of the problem of uneven stress of the mold when demolding.

Disclosure of Invention

The utility model aims at solving the defects existing in the prior art and providing the injection mold capable of rotating and demolding.

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

a rotatable demolding injection mold comprises a base for fixing a mold, wherein one side of the outer wall of the top of the base is connected with a control box through a bolt in a threaded manner, two sides of the outer wall of the top of the base are both connected with electric slide rails through bolts in a threaded manner, the inner walls of the two electric slide rails are connected with the same mounting frame in a sliding manner, the outer wall of the top of the base is provided with a rectangular groove, the inner wall of the bottom of the rectangular groove is provided with a circular groove, the inner wall of the bottom of the circular groove is fixed with a lower mold through a bearing, the inner wall of the lower mold is provided with an internal thread, the lower mold is connected with an upper mold through a thread in a threaded manner, the inner wall of the bottom of the lower mold is provided with a mounting groove, the inner wall of the bottom of the mounting groove is connected, and the outer wall of the mounting sleeve is provided with a positioning pin.

Preferably, go up mould top outer wall and seted up the mouth of moulding plastics, go up mould top inner wall and seted up the recess, and the both sides of recess top inner wall all have a spring beam through the bolt spiro union, two spring beam bottom outer wall has same sealing plug through the bolt spiro union, and the specification of sealing plug and the specification phase-match of the mouth of moulding plastics.

Preferably, the outer wall of the top of the mounting frame is connected with a hydraulic cylinder in a threaded mode through a bolt, and a piston rod of the hydraulic cylinder is connected to the upper die.

Preferably, the inner wall of the bottom of the base is fixed with a driven gear through a bearing, one end of an output shaft of the driven gear is sleeved with a connecting column, and the connecting column is connected to the mounting sleeve.

Preferably, the inner wall of the bottom of the base is in threaded connection with a speed reducing motor through a bolt, an output shaft of the speed reducing motor is sleeved with a driving gear, and the driving gear is meshed with a driven gear.

Preferably, one side inner wall sliding connection of base has the rack, and rack and driven gear intermeshing, one side inner wall of base has the cylinder through the bolt spiro union, and the piston rod of cylinder connects on the rack.

Preferably, the cylinder, the gear motor and the electric slide rail are all connected with a switch through wires, and the switch is connected with a controller through wires.

The utility model has the advantages that:

1. this injection mold of rotatable drawing of patterns through set up one end threaded connection part between last bed die, will rotate the bed die earlier during the drawing of patterns and just can carry out direct drawing of patterns, and the whole atress of mould is even when the bed die rotates, and the mould atress is inhomogeneous when avoiding direct drawing of patterns leads to the mould to damage.

2. This injection mold of rotatable drawing of patterns through set up pressure sensor in the bed die, through pressure sensor to the monitoring of pressure, is convenient for judge whether the mould is installed in place, thereby avoids the not in-place problem of leading to the injection molding size to appear of die holding.

3. This injection mold of rotatable drawing of patterns, the bed die is connected through installation cover and spliced pole, and the clearance is dismantled to the bed die to the convenience, can seal the mouth of moulding plastics through the setting of sealing plug.

Drawings

Fig. 1 is a schematic structural view of a rotational demolding injection mold according to the present invention;

fig. 2 is a schematic view of a partial cross-sectional structure of a lower mold of a rotationally demolded injection mold according to the present invention;

fig. 3 is a schematic view of a partial structure of an upper mold of a rotational demolding injection mold according to the present invention;

fig. 4 is a schematic view of a base structure of an embodiment of a rotational demolding injection mold according to the present invention;

fig. 5 is a schematic view of a base structure of an embodiment of the injection mold capable of rotationally demolding according to the present invention.

In the figure: the device comprises a base 1, a control box 2, an electric sliding rail 3, a mounting rack 4, an upper die 5, a hydraulic cylinder 6, a circular groove 7, a lower die 8, a mounting sleeve 9, a connecting column 10, a driven gear 11, a speed reducing motor 12, a rack 13, a cylinder 14, a positioning pin 15, a bottom plate 16, a pressure sensor 17, a spring 18, a spring rod 19 and a sealing plug 20.

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.

Example one

Referring to fig. 1-4, a rotatable demolding injection mold comprises a base 1 for fixing a mold, a control box 2 is connected to one side of the outer wall of the top of the base 1 through a bolt in a threaded manner, electric slide rails 3 are connected to both sides of the outer wall of the top of the base 1 through bolts in a threaded manner, the inner walls of the two electric slide rails 3 are connected with the same mounting frame 4 in a sliding manner, a rectangular groove is formed in the outer wall of the top of the base 1, a circular groove 7 is formed in the inner wall of the bottom of the rectangular groove, a lower mold 8 is fixed to the inner wall of the bottom of the circular groove 7 through a bearing, an internal thread is formed in the inner wall of the lower mold 8, an upper mold 5 is connected to the lower mold 8 through a threaded screw, a mounting groove is formed in the inner wall of the bottom of the mounting groove, a, the outer wall of the bottom of the lower die 8 is in threaded connection with a mounting sleeve 9 through a bolt, the outer wall of the mounting sleeve 9 is provided with a positioning pin 15, the outer wall of the top of the upper die 5 is provided with an injection port, the inner wall of the top of the upper die 5 is provided with a groove, two sides of the inner wall of the top of the groove are both in threaded connection with spring rods 19 through bolts, the outer walls of the bottoms of the two spring rods 19 are in threaded connection with the same sealing plug 20 through bolts, the specification of the sealing plug 20 is matched with that of the injection port, the outer wall of the top of the mounting frame 4 is in threaded connection with a hydraulic cylinder 6 through bolts, a piston rod of the hydraulic cylinder 6 is connected onto the upper die 5, the inner wall of the bottom of the base 1 is fixed with a driven gear 11 through a bearing, one end of an output shaft of the, the driving gear is meshed with the driven gear 11, the speed reduction motor 12 and the electric slide rail 3 are both connected with a switch through wires, and the switch is connected with a controller through wires.

Example two

Referring to fig. 1-3 and 5, a rotatable demolding injection mold comprises a base 1 for fixing a mold, a control box 2 is screwed on one side of the outer wall of the top of the base 1 through a bolt, electric slide rails 3 are screwed on both sides of the outer wall of the top of the base 1 through bolts, the inner walls of the two electric slide rails 3 are slidably connected with a same mounting rack 4, the outer wall of the top of the base 1 is provided with a rectangular groove, the inner wall of the bottom of the rectangular groove is provided with a circular groove 7, the inner wall of the bottom of the circular groove 7 is fixed with a lower mold 8 through a bearing, the inner wall of the lower mold 8 is provided with an internal thread, the lower mold 8 is screwed with an upper mold 5 through a thread, the inner wall of the bottom of the lower mold 8 is provided with a mounting groove, the inner wall of the bottom of the mounting groove is screwed, the outer wall of the bottom of the lower die 8 is connected with a mounting sleeve 9 through a bolt in a threaded manner, the outer wall of the mounting sleeve 9 is provided with a positioning pin 15, the outer wall of the top of the upper die 5 is provided with an injection port, the inner wall of the top of the upper die 5 is provided with a groove, two sides of the inner wall of the top of the groove are both connected with spring rods 19 through bolts in a threaded manner, the outer walls of the bottoms of the two spring rods 19 are connected with the same sealing plug 20 through bolts in a threaded manner, the specification of the sealing plug 20 is matched with that of the injection port, the outer wall of the top of the mounting frame 4 is connected with a hydraulic cylinder 6 through bolts in a threaded manner, a piston rod of the hydraulic cylinder 6 is connected onto the upper die 5, the inner wall of the bottom of the base 1 is fixed with a driven gear 11 through a bearing, one end of an output shaft of the driven gear, and the piston rod of cylinder 14 is connected on rack 13, and cylinder 14 and electronic slide rail 3 all are connected with the switch through the wire, and the switch is connected with the controller through the wire.

The working principle is as follows: during the use, remove mounting bracket 4 through electronic slide rail 3 earlier, pneumatic cylinder 6 drive upper die 5 descends when mounting bracket 4 removes directly over lower die 8, when upper die 5 contacts bottom plate 16, pressure sensor 17 feels pressure and drives lower die 8 through actuating mechanism simultaneously and rotates, link together two moulds through the screw thread, can the bucket mouth of moulding plastics to moulding plastics in to the mould after the connection is accomplished, because be provided with the sealing plug 20 of spring bar 19 driven in the mouth of moulding plastics, can be one-way to mould plastics in the mould and mould plastics sealing plug 20 and resume the normal position under the effect of spring bar 19, actuating mechanism one kind is through gear motor 12 drive another kind and drives rack 13 and then drive lower die 8 through cylinder 14.

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. An injection mold capable of realizing rotary demolding comprises a base (1) for fixing a mold, and is characterized in that one side of the outer wall of the top of the base (1) is fixedly connected with a control box (2), both sides of the outer wall of the top of the base (1) are fixedly connected with electric slide rails (3), the inner walls of the two electric slide rails (3) are connected with the same mounting frame (4) in a sliding manner, the outer wall of the top of the base (1) is provided with a rectangular groove, the inner wall of the bottom of the rectangular groove is provided with a circular groove (7), the inner wall of the bottom of the circular groove (7) is fixed with a lower mold (8) through a bearing, the inner wall of the lower mold (8) is provided with an internal thread, the lower mold (8) is connected with an upper mold (5) through a thread in a threaded manner, the inner wall of the bottom of the lower mold (8) is, and a spring (18) is connected between the bottom plate (16) and the pressure sensor (17), the outer wall of the bottom of the lower die (8) is fixedly connected with a mounting sleeve (9), and a positioning pin (15) is arranged on the outer wall of the mounting sleeve (9).

2. A rotationally demouldable injection mould according to claim 1, characterized in that the outer wall of the top of the upper mould (5) is provided with an injection opening, the inner wall of the top of the upper mould (5) is provided with a groove, both sides of the inner wall of the top of the groove are fixedly connected with spring rods (19), the outer walls of the bottoms of the two spring rods (19) are fixedly connected with the same sealing plug (20), and the specification of the sealing plug (20) is matched with the specification of the injection opening.

3. A rotational knock-out injection mould according to claim 2 in which the outer wall of the top of the mounting frame (4) is fixedly connected to a hydraulic cylinder (6) and the piston rod of the hydraulic cylinder (6) is connected to the upper mould (5).

4. A rotationally demouldable injection mould according to claim 3, characterized in that a driven gear (11) is fixed to the inner wall of the bottom of the base (1) through a bearing, and a connecting column (10) is sleeved on one end of an output shaft of the driven gear (11), and the connecting column (10) is connected to the mounting sleeve (9).

5. A rotational demoulding injection mould according to claim 4, wherein the inner wall of the bottom of the base (1) is fixedly connected with a speed reducing motor (12), an output shaft of the speed reducing motor (12) is sleeved with a driving gear, and the driving gear and the driven gear (11) are meshed with each other.

6. A rotational demoulding injection mould according to claim 4, wherein a rack (13) is slidably connected to one side inner wall of the base (1), the rack (13) and the driven gear (11) are meshed with each other, a cylinder (14) is fixedly connected to one side inner wall of the base (1), and a piston rod of the cylinder (14) is connected to the rack (13).

7. A rotational demoulding injection mould according to claim 6, wherein the air cylinder (14), the speed reducing motor (12) and the electric slide rail (3) are all connected with a switch through wires, and the switch is connected with a controller through wires.