CN215882410U

CN215882410U - High-efficient mould for plastic goods of drawing of patterns

Info

Publication number: CN215882410U
Application number: CN202122256698.1U
Authority: CN
Inventors: 唐道余
Original assignee: Jusheng Mould Heyuan Co ltd
Current assignee: Jusheng Mould Heyuan Co ltd
Priority date: 2021-09-17
Filing date: 2021-09-17
Publication date: 2022-02-22
Anticipated expiration: 2031-09-17

Abstract

The utility model provides a high-efficiency demoulding mould for plastic products, which comprises a bottom plate, wherein the upper side of the bottom plate is fixedly connected with two vertical plates, the upper sides of the two vertical plates are jointly and fixedly connected with a top plate, the two vertical plates are respectively and rotatably connected with a circular pipe, each circular pipe is internally and slidably connected with a circular rod, a mould box is fixedly connected between the two circular rods, the upper side of the mould box is provided with a cover plate, one ends of the two circular rods are respectively and fixedly connected with a rotating plate, the bottom plate is slidably connected with a stand column, the upper end of the stand column is fixedly connected with a heat dissipation plate, a heat dissipation device is arranged in the heat dissipation plate, the lower end of the stand column is fixedly connected with a baffle, the outer wall of the stand column is sleeved with a first spring, and the first spring is fixedly connected between the bottom plate and the heat dissipation plate. The utility model has the advantages that when in demoulding, the open side of the mould box is rotated to be horizontally attached to the upper side of the heat dissipation plate, so that the heat dissipation plate can cool the open side of the mould box, the thermal expansion stress of a formed product at the open side of the mould box is reduced, and the formed product in the mould box can be smoothly demoulded.

Description

High-efficient mould for plastic goods of drawing of patterns

Technical Field

The utility model relates to the technical field of plastic product molds, in particular to a mold for plastic products, which can efficiently demold.

Background

In the using process of the existing plastic mold, after plastic liquid injected into the mold in a hot melting state is cooled and molded, a certain temperature is still remained in a molded product during demolding, so that the molded product can generate thermal expansion stress in the mold, and the molded product can be difficult to take out of the mold; the mold is cooled to eliminate the thermal expansion stress of the molded product, and the molded product can be smoothly demoulded. However, the existing cooling device is used for cooling and cooling the whole die, so that the thermal expansion stress of the formed product in the die is easily eliminated, and the thermal expansion stress of the formed product at the opening position of the die-stripping opening of the die is still remained, so that the formed product can not be stripped from the die, and the die-stripping efficiency is influenced.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems existing in the background technology, the utility model adopts the technical scheme that:

the utility model provides a mould for plastic goods of high-efficient drawing of patterns, comprising a base plate, two parallel arrangement's of bottom plate upside fixed connection riser, the common fixed connection roof of two riser upsides, all be equipped with the rotation hole of coaxial setting on two risers, all rotate in every rotation hole and connect the pipe, the round bar that equal sliding connection level set up in every round bar, fixed connection mould box between the relative one end of two round bars, mould box upside is equipped with the apron, riser fixed connection rotor plate is all stretched out to the reverse one end of two round bars, be equipped with the centre bore on the bottom plate, sliding connection stand in the centre bore, stand upper end fixed connection heating panel, be equipped with heat abstractor in the heating panel, the stand lower extreme stretches to bottom plate downside and fixed connection baffle, the stand outer wall cup joints first spring, first spring fixed connection is between bottom plate and heating panel.

Preferably, all be equipped with two parallel arrangement's slot in every pipe, two cutting of equal fixed connection of every pipe outer wall, slot and cutting one-to-one and grafting cooperation are connected.

Preferably, one of them riser one side fixed connection curb plate, curb plate one side fixed connection motor, motor spindle fixed connection cam, cam and rotor plate butt setting, the second spring all is cup jointed to every round bar outer wall, the equal fixed connection of every second spring is between the pipe of mould box lateral wall and adjacent one side.

Preferably, the top plate upper side is fixedly connected with the cylinder, a piston rod of the cylinder extends to the top plate lower side and is fixedly connected with the cover plate upper side, the cover plate is provided with a through hole, and a material guide pipe is fixedly connected in the through hole.

Preferably, all be equipped with the guiding hole on every rotor plate, equal sliding connection guide bar in every guiding hole, the equal fixed connection limiting plate in two reverse one side of guide bar, the third spring is all cup jointed to every guide bar outer wall, the equal fixed connection of every third spring is between limiting plate and rotor plate, every riser one side all is equipped with the fixed orifices, the fixed orifices and guide bar one-to-one and the cooperation of pegging graft are connected.

Preferably, the heat abstractor includes the coiled pipe, be equipped with the heat dissipation chamber in the heating panel, the coiled pipe level is fixed in the heat dissipation intracavity, riser one side fixed connection water tank, fixed connection water pump in the water tank, water tank one side is equipped with inlet opening and apopore respectively, the downthehole fixed connection water inlet hose of inlet opening, water inlet hose one end is linked together with coiled pipe one end mouth of pipe, the water inlet hose other end stretches into the water tank and is linked together with the water pump, the downthehole fixed connection water outlet hose of apopore, water outlet hose one end is linked together with the other end mouth of pipe of coiled pipe, the water outlet hose other end stretches into in the water tank.

Preferably, four support columns are fixedly connected to the lower side of the bottom plate.

The utility model has the advantages that: according to the efficient demoulding plastic product mould, when a formed product in the mould box needs demoulding, one side of the opening of the mould box is rotated to be horizontally attached to the upper side of the heat dissipation plate; by starting the horizontal and motor, the heat dissipation plate can cool the side of the opening of the die box, so that the thermal expansion stress of a molded product on the side of the opening of the die box is reduced, and the molded product in the die box can be smoothly demoulded; and the mould box can also be attached to the upper side of the heat dissipation plate to generate amplitude in the horizontal direction, so that the amplitude in the horizontal direction of the mould box can be generated while the contact area between the open side of the mould box and the heat dissipation plate is increased, and a molded product in the mould box can be demoulded more quickly.

Drawings

The utility model and its features, aspects and advantages will become more apparent from reading the following detailed description of non-limiting embodiments with reference to the accompanying drawings. Like reference symbols in the various drawings indicate like elements. The drawings are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the utility model.

FIG. 1 is a schematic diagram of the basic structure of the present invention;

FIG. 2 is an enlarged view of portion E of FIG. 1;

FIG. 3 is a schematic view showing a connection structure between the coil pipes and the heat radiating plates;

FIG. 4 is a view showing a state where the open side of the mold box is horizontally attached to the upper side of the heat radiating plate.

Detailed Description

The utility model will be further described with reference to the following drawings and specific examples, which are not intended to limit the utility model thereto.

Example 1

As shown in fig. 1-4, the efficient demolding mold for plastic products provided by the utility model comprises a horizontally arranged rectangular bottom plate 1, wherein four corners of the lower side of the bottom plate 1 are fixedly connected with supporting columns 10, and the four supporting columns 10 support and fix the bottom plate 1. The upper side of the bottom plate 1 is fixedly connected with two vertical plates 11 which are arranged in parallel, the upper sides of the two vertical plates 11 are fixedly connected with a top plate 2 together, the two vertical plates 11 are provided with rotating holes which are coaxially arranged, each rotating hole is rotatably connected with a horizontally arranged circular tube 3, a horizontally arranged circular rod 4 is slidably connected in each circular tube 3, and an open mold box 5 is fixedly connected between the opposite ends of the two circular rods 4; all be equipped with two parallel arrangement's slot 31 in every pipe 3, two cutting 41 of the equal fixed connection of 4 outer walls of every pipe, slot 31 and cutting 41 one-to-one and grafting cooperation are connected. The round bar 4 that mould box 5 passes through both sides can be between two pipe 3 horizontal migration, simultaneously, because the cutting 41 of round bar 4 pegs graft in the slot 31 in pipe 3 for pipe 3 can drive round bar 4 synchronous rotation when rotating downthehole the rotation, thereby makes mould box 5 can use the round bar 4 of both sides to rotate as the benchmark.

The upper side of the mold box 5 is provided with a cover plate 6, the upper side of the top plate 2 is fixedly connected with a cylinder 21, a piston rod of the cylinder 21 extends to the lower side of the top plate 2 and is fixedly connected with the upper side of the cover plate 6, the cover plate 6 is provided with a through hole which is vertically arranged, and the through hole is internally and fixedly connected with a material guide pipe 61. Riser 11 fixed connection rotor 7 is all stretched out to two reverse one ends of round bar 4, all be equipped with the guiding hole on every rotor 7, equal sliding connection guide bar 71 in every guiding hole, the equal fixed connection limiting plate 72 in two reverse one sides of guide bar 71, third spring 73 is all cup jointed to every guide bar 71 outer wall, the equal fixed connection of every third spring 73 is between limiting plate 72 and rotor 7, every riser 11 one side all is equipped with fixed orifices 74, fixed orifices 74 and guide bar 71 one-to-one and grafting cooperation are connected. When the third spring 73 is in a free state, the two guide rods 71 can move towards the vertical plate 11 on the adjacent side, and when the rotating plate 7 is rotated to move the guide rods 71 to the corresponding fixing holes 74, under the action force of the third spring 73, the two guide rods 71 can be inserted into the corresponding fixing holes 74, so that the circular pipe 3 can not drive the circular rod 4 to rotate any more; at this moment, the uncovered front of mould box 5 up, the piston rod through cylinder 21 promotes apron 6 and vertically moves down, can make apron 6 hug closely in the uncovered one side of mould box 5 to seal mould box 5, pass through the passage 61 with the plastic liquid under the hot melt state and pour into mould box 5 in, the plastic liquid under the hot melt state can cool off the shaping gradually at mould box 5.

Be equipped with the centre bore of vertical setting on the bottom plate 1, sliding connection stand 12 in the centre bore, the heating panel 8 that stand 12 upper end fixed connection level set up, stand 12 lower extreme stretches to 1 downside of bottom plate and fixed connection baffle 121, and first spring 122 is cup jointed to stand 12 outer wall, and first spring 122 fixed connection is between bottom plate 1 and heating panel 8. The first spring 122 pushes the heat dissipation plate 8 to move towards the mold box 5 in a free state, when the plastic liquid in the mold box 5 needs to be demoulded after being cooled and formed, the cover plate 6 is separated from the mold box 5 through the air cylinder 21, the two limiting plates 72 are pulled to pull the guide rods 71 out of the fixing holes 74, the rotating plate 7 is rotated, the mold box 5 is rotated towards the heat dissipation plate 8 through the round rod 4, and the open side of the mold box 5 is horizontally attached to the upper side of the heat dissipation plate 8; the heating panel 8 can cool down the open one side of the mold box 5 to reduce the thermal expansion stress of the molded product on the open one side of the mold box 5, so that the molded product in the mold box 5 can be smoothly demoulded. When the formed product in the mold box 5 falls from the open side of the mold box 5, the formed product in the mold box 5 can fall on the upper side of the heat dissipation plate 8, and simultaneously, the heat dissipation plate 8 can buffer the formed product through the first spring 122, so that the formed product on the upper side of the heat dissipation plate 8 can slowly move downwards along the direction of the upright post 12, and the formed product is prevented from falling too fast and being damaged. Be equipped with heat abstractor in the heating panel 8, heat abstractor includes coiled pipe 81, be equipped with the heat dissipation chamber in the heating panel 8, the level of coiled pipe 81 is fixed in the heat dissipation chamber, riser 11 one side fixed connection water tank 82, fixed connection water pump 83 in the water tank 82, water tank 82 one side is equipped with inlet opening and apopore respectively, inlet opening fixed connection water inlet hose 84, water inlet hose 84 one end is linked together with coiled pipe 81 one end mouth of pipe, the water inlet hose 84 other end stretches into water tank 82 and is linked together with water pump 83, fixed connection water outlet hose 85 in the apopore, water outlet hose 85 one end is linked together with the other end mouth of pipe of coiled pipe 81, the water outlet hose 85 other end stretches into in the water tank 82. The cooling water is injected into the water tank 82, the cooling water in the water tank 82 enters the coil pipe 81 through the water inlet hose 84 under the action of the water pump 83 and flows in the coil pipe 81 to take away the heat on the open side of the mold box 5, and the cooling water in the coil pipe 81 flows into the water tank 82 again through the water outlet hose 85, so that the cooling water in the coil pipe 81 can continuously flow for heat dissipation.

One of them riser 11 one side fixed connection curb plate 9, curb plate 9 one side fixed connection motor 91, motor 91 main shaft fixed connection cam 92, cam 92 and rotor plate 7 butt setting, and the second spring 42 all is cup jointed to every 4 outer walls of round bar, and the equal fixed connection of every second spring 42 is between the pipe 3 of 5 lateral walls of mould box and adjacent one side. When the open side of the mold box 5 is horizontally attached to the upper side of the heat dissipation plate 8, the motor 91 is started to rotate the cam 92 along the main axis of the motor 91, and the cam 92 is continuously contacted with the rotating plate 7 on the adjacent side when rotating. When the cam 92 comes into contact with the rotating plate 7, the cam 92 pushes the rotating plate 7, so that the mold box 5 moves toward the other rotating plate 7; when the cam 92 is separated from the rotating plate 7, the die case 5 is moved toward the cam 92 by the urging force of the second spring 42. Through the continuous and rotating plate 7 contact of cam 92, can make mould box 5 paste at 8 upside horizontal reciprocating motion of heating panel, when increase mould box 5 uncovered one side and 8 area of contact of heating panel, can also make mould box 5 take place the amplitude of horizontal direction to make the moulded product in the mould box 5 can demold more fast.

When the mould box is used, the rotating plate 7 is rotated to enable the open side of the mould box 5 to face the cover plate 6, the guide rod 71 is inserted into the fixing hole 74, the position of the mould box 5 is fixed, and then the air cylinder 21 is used for controlling the cover plate 6 to be attached to the open side of the mould box 5 so as to seal the mould box 5. And injecting the plastic liquid in the hot-melting state into the mold box 5, and gradually cooling and molding the plastic liquid in the hot-melting state in the mold box 5.

When the molded product in the mold box 5 needs to be demolded, the cover plate 6 is separated from the mold box 5 through the air cylinder 21, the guide rod 71 is pulled out from the fixing hole 74, and the open side of the mold box 5 is rotated to be horizontally attached to the upper side of the heat dissipation plate 8; through start-up water pump 83 and motor 91, can make heating panel 8 when to the uncovered one side cooling of mould box 5, can also make mould box 5 take place the amplitude of horizontal direction to make the shaping goods in the mould box 5 can demould smoothly.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a mould for plastic products of high-efficient drawing of patterns, includes bottom plate (1), its characterized in that: the bottom plate is characterized in that the upper side of the bottom plate (1) is fixedly connected with two vertical plates (11) which are arranged in parallel, the upper sides of the two vertical plates (11) are fixedly connected with a top plate (2) together, the two vertical plates (11) are provided with rotating holes which are coaxially arranged, each rotating hole is internally and rotatably connected with a round rod (3), each round rod (3) is internally and slidably connected with a round rod (4) which is horizontally arranged, a mold box (5) is fixedly connected between the opposite ends of the two round rods (4), the upper side of the mold box (5) is provided with a cover plate (6), the reverse ends of the two round rods (4) extend out of the vertical plates (11) and are fixedly connected with a rotating plate (7), the bottom plate (1) is provided with a central hole, the stand column (12) is slidably connected in the central hole, the upper end of the stand column (12) is fixedly connected with a heat dissipation plate (8), and a heat dissipation device is arranged in the heat dissipation plate (8), stand (12) lower extreme stretches to bottom plate (1) downside and fixed connection baffle (121), stand (12) outer wall cup joints first spring (122), first spring (122) fixed connection is between bottom plate (1) and heating panel (8).

2. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: every all be equipped with two parallel arrangement's slot (31) in pipe (3), every two cutting (41) of equal fixed connection of round bar (4) outer wall, slot (31) and cutting (41) one-to-one and grafting cooperation are connected.

3. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: one of them riser (11) one side fixed connection curb plate (9), curb plate (9) one side fixed connection motor (91), motor (91) main shaft fixed connection cam (92), cam (92) and rotor plate (7) butt setting, every second spring (42), every are all cup jointed to round bar (4) outer wall the equal fixed connection of second spring (42) is between mould box (5) lateral wall and pipe (3) of adjacent one side.

4. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: roof (2) upside fixed connection cylinder (21), the piston rod of cylinder (21) stretches to roof (2) downside and fixed connection at apron (6) upside, be equipped with the through-hole on apron (6), fixed connection passage (61) in the through-hole.

5. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: every all be equipped with the guiding hole on rotor plate (7), every equal sliding connection guide bar (71), two in the guiding hole the equal fixed connection limiting plate (72) in reverse one side of guide bar (71), every third spring (73), every are all cup jointed to guide bar (71) outer wall the equal fixed connection of third spring (73) is between limiting plate (72) and rotor plate (7), every riser (11) one side all is equipped with fixed orifices (74), fixed orifices (74) and guide bar (71) one-to-one and grafting cooperation are connected.

6. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: the heat abstractor includes coiled pipe (81), be equipped with the heat dissipation chamber in heating panel (8), coiled pipe (81) level is fixed in the heat dissipation chamber, riser (11) one side fixed connection water tank (82), water tank (82) internal fixed connection water pump (83), water tank (82) one side is equipped with inlet opening and apopore respectively, inlet opening internal fixed connection water inlet hose (84), water inlet hose (84) one end is linked together with coiled pipe (81) one end mouth of pipe, water inlet hose (84) other end stretches into water tank (82) and is linked together with water pump (83), the downthehole fixed connection water outlet hose (85) of outlet opening, water outlet hose (85) one end is linked together with the other end of coiled pipe (81), water outlet hose (85) other end stretches into in water tank (82).

7. The mold for plastic products with high-efficiency demolding according to claim 1, wherein: the lower side of the bottom plate (1) is fixedly connected with four supporting columns (10).