CN217494974U

CN217494974U - Injection mold auxiliary device

Info

Publication number: CN217494974U
Application number: CN202221158167.7U
Authority: CN
Inventors: 杨振新
Original assignee: Sichuan Bossa Auto Parts Co ltd
Current assignee: Sichuan Bossa Auto Parts Co ltd
Priority date: 2022-05-13
Filing date: 2022-05-13
Publication date: 2022-09-27
Anticipated expiration: 2032-05-13

Abstract

The utility model discloses an injection mold auxiliary device, include: a base, the upper surface of which is provided with a slot extending along the length direction; a rotatable first screw rod is arranged in the groove; the first screw rod is in threaded connection with a movable seat, and two side faces of the movable seat are in sliding fit with the wall of the slotted groove; the bottom surface of the supporting seat is connected with the top surface of the movable seat through a strut; a fixing component is arranged on the supporting seat; the supporting seat is provided with a cavity, and the bottom of the cavity is provided with a fan; the upper surface of the supporting seat is sunken to form a heat dissipation cavity, the bottom of the heat dissipation cavity is provided with a blowing hole communicated with the cavity, and the wall of the peripheral cavity of the heat dissipation cavity is provided with a plurality of ventilation channels penetrating through the supporting seat; the top plate is arranged above the base through a telescopic mechanism; an upper die is installed on the bottom surface of the top plate. The utility model provides an injection mold auxiliary device conveniently removes the lower mould and staggers with last mould, is convenient for take out the formed part.

Description

Injection mold auxiliary device

Technical Field

The utility model relates to an auto-parts production field especially relates to an injection mold auxiliary device.

Background

In the production process of the automobile parts, an injection mold is required to be used for producing the automobile parts. When the injection mold is used, the upper mold and the lower mold are matched with each other, heated and melted plastic is injected into a mold cavity at high pressure, and a formed product is obtained after cooling and solidification.

In the prior art, a lower die of an injection mold is fixed on an auxiliary device, the auxiliary device drives an upper die to move to the lower die to form a mold cavity, plastic liquid enters the mold cavity to be cooled and formed, then the upper die is driven to move upwards to be away from the lower die, and then a formed product on the lower die is taken out. The existing lower die is directly fixed on an auxiliary device and cannot move, when an operator takes out a formed product on the lower die, the upper die is positioned above the lower die to cause certain obstruction, so that the efficiency of taking out the formed product by the operator is influenced, and if the upper die is mistakenly touched with an operation button in the process of taking the formed product and falls down, the arm of the operator can be extruded, so that potential safety hazards are caused to the operator; in addition, the existing auxiliary device only has a supporting function, the bottom of the lower die is directly contacted with the surface of the existing auxiliary device, the auxiliary device does not have a heat dissipation function, the bottom of the lower die is not convenient for heat dissipation, and the overall cooling efficiency of the injection mold is influenced.

SUMMERY OF THE UTILITY MODEL

An object of the present invention is to solve at least the above problems and/or disadvantages and to provide at least the advantages which will be described later.

In order to solve the deficiencies of the prior art, the utility model provides an injection mold auxiliary device, include:

the upper surface of the base is provided with a slot extending along the length direction of the base; a first rotatable screw is arranged in the slot, and one end of the screw extends out of the base and is connected with the driving piece to realize forward and reverse rotation; the first screw rod is in threaded connection with a movable seat, and two side faces of the movable seat are in sliding fit with the wall of the slotted groove;

the bottom surface of the supporting seat is connected with the top surface of the movable seat through a strut; the lower surface of the supporting seat is in sliding fit with the upper surface of the base; the supporting seat is provided with a fixing component for fixing the lower die;

the supporting seat is provided with a cavity, and the bottom of the cavity is provided with a fan; the upper surface of the supporting seat is sunken to form a heat dissipation cavity, the bottom of the heat dissipation cavity is provided with a blowing hole communicated with the cavity, and the wall of the peripheral cavity of the heat dissipation cavity is provided with a plurality of ventilation channels penetrating through the supporting seat;

the top plate is arranged above the base through a telescopic mechanism and can move up and down; the top plate bottom surface install with the last mould that the lower mould matches, be equipped with on the top plate with go up the notes liquid pipe of mould intercommunication.

Further, the driving part comprises a forward and reverse rotation motor, and the forward and reverse rotation motor is in transmission connection with the screw through a speed reducer.

Furthermore, two side faces of the movable seat are provided with a first sliding block, a first sliding groove matched with the first sliding block is formed in the groove wall of the groove, and the first sliding groove extends along the length direction of the first screw rod.

Furthermore, a pair of sliding chutes II which are symmetrically distributed on two sides of the open groove are arranged on the upper surface of the base, and the sliding chutes II are parallel to the open groove; and a second sliding block is arranged on the bottom surface of the supporting seat and is in sliding fit with the second sliding groove.

Further, the bottom surface and the side face of the second sliding block are both provided with mounting grooves, rolling balls are mounted in the mounting grooves, and the balls are in contact with the sliding grooves.

Further, the fixed subassembly includes mounting panel, limiting plate and screw rod two, the mounting panel is vertical to be installed on the supporting seat, screw rod two pass the mounting panel with limiting plate connects.

Furthermore, the bottom of the heat dissipation cavity is provided with a vertical wind shielding surrounding plate with openings at two ends, the height of the wind shielding surrounding plate is lower than that of the heat dissipation cavity, and a flowing gap is formed between the outer wall surface of the wind shielding surrounding plate and the side wall of the heat dissipation cavity.

Further, a stabilizing cylinder is installed on the bottom surface of the top plate, a stabilizing column matched with the stabilizing cylinder is installed on the base, and the stabilizing cylinder is sleeved on the stabilizing column.

The utility model discloses at least, include following beneficial effect:

1. the first screw rod of the utility model is connected with the movable seat in a threaded manner, and the two side surfaces of the movable seat are in sliding fit with the wall of the groove, so that the movable seat can make reciprocating linear motion in the groove, and the supporting seat can drive the lower die to move;

2. the upper surface of the supporting seat is sunken to form a heat dissipation cavity, so that a gap is formed between the bottom of the lower die and the supporting seat, the heat dissipation cavity is arranged to be beneficial to heat dissipation of the bottom of the lower die, and poor heat dissipation effect caused by direct contact of the bottom of the lower die and the upper surface of the supporting seat is avoided; the air generated by the fan is blown into the heat dissipation cavity through the air blowing hole, and the air in the heat dissipation cavity is directly blown to the lower die to be contacted with the bottom of the lower die for cooling and heat dissipation, so that the heat dissipation efficiency of the bottom of the lower die is effectively enhanced, and the cooling efficiency of the injection mold is further improved; the ventilation channels on the wall of the peripheral cavity of the heat dissipation cavity are beneficial to the circulation of wind in the heat dissipation cavity and the outside, so that the air circulation in the heat dissipation cavity is further enhanced to promote heat dissipation;

3. the supporting seat lower surface and the base upper surface are in sliding fit, so that the supporting seat is favorably stabilized, the movement of the supporting seat is more stable, and the bearing and supporting capacity of the supporting seat is further enhanced.

Drawings

FIG. 1 is the utility model discloses an injection mold auxiliary device for auto-parts production schematic diagram.

Fig. 2 is the upper die and the lower die of the injection mold auxiliary device of the present invention are schematically shown in staggered structure.

Fig. 3 is a schematic view of the cross-sectional structure of the support seat of the present invention.

Fig. 4 is a schematic top view of the base of the present invention.

Fig. 5 is a schematic view of the sliding fit structure of the supporting seat and the base of the present invention.

Fig. 6 is a schematic diagram of a partially enlarged structure in fig. 5 according to the present invention.

Reference numerals: 1-base, 2-slot, 21-chute I, 3-screw rod I, 4-driving piece, 41-positive and negative rotation motor, 42-speed reducer, 5-movable seat, 51-pillar, 52-slide block I, 6-supporting seat, 61-cavity, 62-radiating cavity, 621-air blowing hole, 622-ventilation channel, 63-slide block II, 631-installation groove, 632-ball, 64-wind shielding surrounding plate, 7-lower die, 8-fixing component, 81-installation plate, 82-limiting plate, 83-screw rod II, 9-fan, 10-top plate, 11-telescoping mechanism, 12-upper die, 13-liquid injection pipe, 14-chute II, 15-stabilizing barrel and 16-stabilizing column.

Detailed Description

The present invention is further described in detail below with reference to the drawings so that those skilled in the art can implement the invention with reference to the description.

It will be understood that terms such as "having," "including," and "comprising," as used herein, do not preclude the presence or addition of one or more other elements or groups thereof.

Fig. 1-6 show the utility model discloses an injection mold auxiliary device, include:

a base 1, the upper surface of which is provided with a slot 2 extending along the length direction; a rotatable screw rod I3 is arranged in the open slot 2, and one end of the screw rod I3 extends out of the base 1 and is connected with a driving piece 4 to realize forward and reverse rotation; a movable seat 5 is connected to the first screw rod 3 in a threaded manner, and two side surfaces of the movable seat 5 are in sliding fit with the groove wall of the groove 2;

a support base 6, the bottom surface of which is connected with the top surface of the movable base 5 through a pillar 51; the lower surface of the supporting seat 6 is in sliding fit with the upper surface of the base 1; the supporting seat 6 is provided with a fixing component 8 for fixing the lower die 7;

the supporting seat 6 is provided with a cavity 61, and the bottom of the cavity 61 is provided with a fan 9; the upper surface of the supporting seat 6 is recessed to form a heat dissipation cavity 62, the bottom of the heat dissipation cavity 62 is provided with a blowing hole 621 communicated with the cavity 61, and the wall of the peripheral cavity of the heat dissipation cavity 62 is provided with a plurality of ventilation channels 622 penetrating through the supporting seat 6;

a top plate 10 which is installed above the base 1 through a telescopic mechanism 11 and can move up and down; an upper die 12 matched with the lower die 7 is installed on the bottom surface of the top plate 10, and a liquid injection pipe 13 communicated with the upper die 12 is arranged on the top plate 10.

Specifically, the end of the first screw rod 3 is rotatably connected with the groove wall at one end of the groove through a bearing, and the bearing belongs to the product in the prior art; two side surfaces of the movable seat 5 are provided with a first sliding block 52, the groove wall of the slot 2 is provided with a first sliding groove 21 matched with the first sliding block 52, the first sliding groove 21 extends along the length direction of the first screw rod 3, and the first sliding block 52 is in sliding fit with the first sliding groove 21 to realize that the movable seat 5 is in sliding fit with the groove wall of the slot 2; two ends of the strut 51 are respectively welded on the top surface of the movable seat 5 and the bottom surface of the supporting seat 6, and the supporting seat 6 is used for placing the lower die 7;

the fixing assembly 8 is used for fixing the lower die 7 and avoiding the lower die 7 from shaking and shifting in the moving process along with the supporting seat 6, specifically, the fixing assembly 8 comprises an installation plate 81, a limiting plate 82 and a second screw 83, the installation plate 81 is vertically installed on the supporting seat 6, and the second screw 83 penetrates through the installation plate 81 and is connected with the limiting plate 82;

the telescopic mechanism 11 may be an air cylinder, the telescopic mechanism 11 is not limited to the above air cylinder, and may also be a hydraulic cylinder, an electric telescopic rod, etc., and is not specifically limited as long as the telescopic mechanism 11 drives the top plate 10 to move up and down, that is, drives the upper die 12 to move up and down, preferably, the number of the telescopic mechanisms 11 is 4, and 4 telescopic mechanisms 11 are distributed around the top plate 10, so that the top plate 10 drives the upper die 12 to move stably; the injection pipe 13 is used for injecting molten plastic into a cavity formed by the upper die 12 and the lower die 7 after being clamped.

The driving part 4 is used for driving the screw rod I3 to rotate forwards and backwards, specifically, the driving part 4 comprises a forward and reverse rotation motor 41, and the forward and reverse rotation motor 41 is in transmission connection with the screw rod I3 through a speed reducer 42; under the driving of the driving piece 4, the movable seat 5 makes reciprocating linear motion in the slot 2, so that the supporting seat 6 can drive the lower die 7 to move, when the injection molding is completed and the demolding is required, the screw rod I3 is rotated to drive the lower die 7 to move and stagger with the upper die 12, the situation that the upper die 12 influences and hinders an operator to take out a molded product is effectively avoided, the operator can take out the molded product conveniently, the demolding efficiency is improved, the injection molding processing efficiency is improved, the upper die 12 is staggered with the lower die 7, the situation that the arm of the operator is injured by falling of the upper die 12 is avoided, and potential safety hazards are eliminated; the arrangement of the heat dissipation cavity 62 ensures that a gap is formed between the bottom of the lower die 7 and the support seat 6, thereby being beneficial to heat dissipation of the bottom of the lower die 7 and avoiding poor heat dissipation effect caused by direct contact between the bottom of the lower die 7 and the upper surface of the support seat 6; the bottom of the cavity 6 is provided with an air inducing hole which can be used for exchanging and circulating air inside the cavity 6 with outside air, the fan 9 faces the heat dissipation cavity 62, the generated air is blown into the heat dissipation cavity 62 through the air blowing hole 621, the air in the heat dissipation cavity 62 is directly blown to the lower die 7 to be contacted with the bottom of the lower die 7 for cooling and heat dissipation, the heat dissipation efficiency of the bottom of the lower die 7 is effectively enhanced, the bottom of the lower die 7 is convenient to dissipate heat, and the overall cooling efficiency of the injection mold is further improved; the ventilation duct 622 on the wall of the peripheral cavity of the heat dissipation cavity 62 is beneficial to the circulation of the air in the heat dissipation cavity 62 with the outside, and further enhances the air circulation in the heat dissipation cavity 62 to promote heat dissipation.

The lower surface of the supporting seat 6 is in sliding fit with the upper surface of the base 1, so that the supporting seat 6 can be stabilized, the movement of the supporting seat 6 is more stable, and the bearing and supporting capacity of the supporting seat 6 is further enhanced, specifically, the upper surface of the base 1 is provided with a pair of sliding chutes 14 which are symmetrically distributed on two sides of the open groove 2, and the sliding chutes 14 are parallel to the open groove 2; the bottom surface of the support seat 6 is provided with a second sliding block 63, the second sliding block 63 is in sliding fit with the second sliding groove 14, in order to reduce the abrasion between the second sliding block 63 and the second sliding groove 14, the bottom surface and the side surface of the second sliding block 63 are both provided with mounting grooves 631, the mounting grooves 631 are internally provided with rolling balls 632, the balls 632 are in contact with the second sliding groove 14, the arrangement of the balls 632 is favorable for the smooth sliding of the second sliding block 63 in the second sliding groove 14, the abrasion between the second sliding block 63 and the second sliding groove 14 can be reduced, and the service life is prolonged.

The bottom of the cavity of the heat dissipation cavity 62 is provided with a vertical wind shielding surrounding plate 64 with openings at two ends, the height of the wind shielding surrounding plate 64 is lower than that of the heat dissipation cavity 62, the outer wall surface of the heat dissipation cavity 62 and the side wall of the heat dissipation cavity 62 are provided with a flowing gap, the wind blown out through the air blowing hole 621 is vertically blown upwards to the lower die 7 by the wind shielding surrounding plate 64, partial wind is prevented from directly flowing out of the ventilation channel 622, the wind blows towards the bottom of the lower die 7 to take away heat at the bottom of the lower die 7 by the wind shielding surrounding plate 64, and then the direction of the wind is changed to be discharged through the flowing gap and the ventilation channel 622, so that the auxiliary heat dissipation efficiency is further enhanced.

A stabilizing cylinder 15 is installed on the bottom surface of the top plate 10, a stabilizing column 16 matched with the stabilizing cylinder 15 is installed on the base 1, the stabilizing cylinder 15 is sleeved on the stabilizing column 16, the stabilizing cylinder 15 can slide on the stabilizing column 16, the top plate 10 is more stable in the up-down moving process due to the matching of the stabilizing cylinder 15 and the stabilizing column 16, the phenomenon that the top plate 10 shakes to affect the closing of the upper die 12 and the lower die 7 is avoided, the stabilizing cylinder 15 and the stabilizing column 16 can play a role in guiding and positioning at the same time, the closing of the upper die 12 and the lower die 7 is accurate, preferably, the number of the stabilizing cylinders 15 and the stabilizing columns 16 is 4, and the stabilizing cylinders are distributed around the top plate 10.

The utility model discloses during the specific use, lower mould 7 is placed on supporting seat 6, rotatory screw rod two 83 makes limiting plate 82 butt at lower mould 7 surface, thereby the centre gripping fixes lower mould 7, lower mould 7 is located upper mould 12 under this moment, telescopic machanism 11 drives roof 10 and drives upper mould 12 and move down, until upper mould 12 and lower mould 7 compound die, inject molten plastics into the die cavity that forms after upper mould 12, lower mould 7 compound die through annotating liquid pipe 13, start fan 9 simultaneously and carry out the auxiliary heat dissipation to lower mould 7, can cooperate the auxiliary heat dissipation cooling body who uses among the prior art to cool off upper mould 12, lower mould 7, accelerate whole cooling efficiency; after cooling, telescopic machanism 11 drive roof 10 drives last mould 12 rebound and keeps away from lower mould 7, positive and negative motor 41 positive direction rotation drive screw rotates 3, movable seat 5 drives supporting seat 6 and removes in fluting 2 until lower mould 7 staggers with last mould 12, lower mould 7 moves outside roof 10, the operation workman takes out the formed part on the lower mould 7, positive and negative motor 41 antiport drive screw 3 antiport, movable seat 5 drives supporting seat 6 and removes in fluting 2 until lower mould 7 is located and goes up mould 12 under, repeat the above-mentioned step of moulding plastics.

While the embodiments of the invention have been described in detail in this specification and illustrated in the accompanying drawings, it is not intended to limit the invention to the exact construction and operation illustrated, and it is to be understood that all such modifications and variations that will be apparent to those skilled in the art may be made therein without departing from the spirit and scope of the invention.

Claims

1. An injection mold assist device, comprising:

a base (1) with a slot (2) on the upper surface extending along the length direction; a rotatable screw rod I (3) is installed in the groove (2), and one end of the screw rod I (3) extends out of the base (1) and is connected with a driving piece (4) to realize forward and reverse rotation; the first screw rod (3) is in threaded connection with a movable seat (5), and two side faces of the movable seat (5) are in sliding fit with the groove wall of the groove (2);

a support seat (6), the bottom surface of which is connected with the top surface of the movable seat (5) through a strut (51); the lower surface of the supporting seat (6) is in sliding fit with the upper surface of the base (1); the supporting seat (6) is provided with a fixing component (8) for fixing the lower die (7);

the supporting seat (6) is provided with a cavity (61), and the bottom of the cavity (61) is provided with a fan (9); the upper surface of the supporting seat (6) is sunken to form a heat dissipation cavity (62), the bottom of the heat dissipation cavity (62) is provided with a blowing hole (621) communicated with the cavity (61), and the wall of the peripheral cavity of the heat dissipation cavity (62) is provided with a plurality of ventilation channels (622) penetrating through the supporting seat (6);

a top plate (10) which is mounted above the base (1) through a telescopic mechanism (11) and can move up and down; the bottom surface of the top plate (10) is provided with an upper die (12) matched with the lower die (7), and the top plate (10) is provided with a liquid injection pipe (13) communicated with the upper die (12).

2. An injection mold auxiliary device as claimed in claim 1, wherein said driving member (4) comprises a forward and reverse rotation motor (41), and said forward and reverse rotation motor (41) is in transmission connection with said first screw (3) through a speed reducer (42).

3. An injection mold auxiliary device as claimed in claim 1, wherein two side faces of the movable seat (5) are provided with a first sliding block (52), a first sliding groove (21) matched with the first sliding block (52) is formed in a groove wall of the groove (2), and the first sliding groove (21) extends along the length direction of the first screw rod (3).

4. An injection mold auxiliary device according to claim 1, characterized in that the upper surface of the base (1) is provided with a pair of second sliding chutes (14) symmetrically distributed on both sides of the slot (2), and the second sliding chutes (14) are parallel to the slot (2); and a second sliding block (63) is arranged on the bottom surface of the supporting seat (6), and the second sliding block (63) is in sliding fit with the second sliding groove (14).

5. An injection mold auxiliary device according to claim 4, characterized in that the second sliding block (63) is provided with mounting grooves (631) on the bottom surface and the side surface, the mounting grooves (631) are internally provided with rolling balls (632), and the rolling balls (632) are in contact with the second sliding groove (14).

6. An injection mold auxiliary device as claimed in claim 1, wherein the fixing assembly (8) comprises a mounting plate (81), a limiting plate (82) and a second screw rod (83), the mounting plate (81) is vertically mounted on the supporting seat (6), and the second screw rod (83) penetrates through the mounting plate (81) and is connected with the limiting plate (82).

7. An injection mold auxiliary device according to claim 1, characterized in that the bottom of the heat dissipation cavity (62) is provided with a vertical wind shielding plate (64) with openings at two ends, the height of the wind shielding plate (64) is lower than that of the heat dissipation cavity (62), and the outer wall surface of the wind shielding plate has a flowing gap with the side wall of the heat dissipation cavity (62).

8. An injection mold auxiliary device according to claim 1, characterized in that a stabilizing cylinder (15) is installed on the bottom surface of the top plate (10), a stabilizing column (16) matched with the stabilizing cylinder (15) is installed on the base (1), and the stabilizing cylinder (15) is sleeved on the stabilizing column (16).