CN215151448U

CN215151448U - Plastic mold with good exhaust

Info

Publication number: CN215151448U
Application number: CN202120871136.5U
Authority: CN
Inventors: 龚宝刚
Original assignee: Shenzhen Tianxing Hengda Technology Co ltd
Current assignee: Shenzhen Tianxing Hengda Technology Co ltd
Priority date: 2021-04-26
Filing date: 2021-04-26
Publication date: 2021-12-14
Anticipated expiration: 2031-04-26

Abstract

The utility model discloses a plastic mould that exhaust is good, including the fixed die plate, the fixed die plate top is provided with the movable mould board, the equal threaded connection in movable mould board top outer wall four corners position has fixing bolt, fixing bolt and fixed die plate threaded connection, the fixed die plate top is provided with the movable mould chamber, fixed die plate one side outer wall fixedly connected with electrical control mechanism, the fixed die plate sets up to cavity, the fixed die plate inner wall is provided with the air cavity, movable mould intracavity wall both ends all are provided with the outlet duct. The utility model discloses a set up the fixed die plate and set up to cavity, and be provided with the air guide chamber in inside to the outlet duct that can utilize movable mould board intracavity wall both ends can in time derive the air current of movable mould board intracavity, can play filterable purpose through setting up the inside air permeable plate of outlet duct, can in time air current initiative derive through the exhaust mechanism who sets up the air guide intracavity, guarantees the circulation of air current, has reached the good purpose of exhausting.

Description

Plastic mold with good exhaust

Technical Field

The utility model relates to the technical field of mold, especially, relate to a plastic mould that exhausts well.

Background

The injection molding machine injects the plastic into the mold cavity at a speed even higher than the injection speed of the bullet, which is hard to imagine, the injection molding machine injects the plastic into the mold cavity through the injection nozzle with a pressure of several tons, the air in the mold cavity must be discharged at a higher speed, and the mold cavity can be filled with the plastic. The mold cavity is open, the parting surface of the mold is tightly closed by the mold, if gas is exhausted from a tiny gap, the exhaust efficiency is low, the pressure of the mold cavity is increased rapidly, parts in the mold cavity are under ultra-strong pressure, and plastic is solidified under strong pressure, so that serious consequences are caused.

Current plastic mould all adopts exhaust mold insert to open exhaust groove structure when involving the mould exhaust, however, this kind of mode exhaust is poor, and efficiency is not high, has all not satisfied mould exhaust requirement in a lot of plastic moulds to cause phenomena such as product packing failure, burn, shrinkage cavity. The product forming period is prolonged, and the production cost is increased, so that the research on a plastic mold with good exhaust is necessary.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects existing in the prior art and providing a plastic mould with good exhaust.

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

the utility model provides a plastic mould that exhaust is good, includes the fixed die plate, the fixed die plate top is provided with the movable mould board, the equal threaded connection in movable mould board top outer wall four corners position has fixing bolt, fixing bolt and fixed die plate threaded connection, the fixed die plate top is provided with the movable mould chamber, fixed die plate one side outer wall fixedly connected with electrical control mechanism, the fixed die plate sets up to cavity, the fixed die plate inner wall is provided with the air cavity, movable mould intracavity wall both ends all are provided with the outlet duct, outlet duct and fixed die plate inner wall fixed connection, the outlet duct inner wall is close to movable mould intracavity one end fixedly connected with ventilative board, air cavity bottom is provided with exhaust mechanism.

Preferably, the spout has all been seted up to outlet duct inner wall top and bottom, and spout inner wall sliding connection has the slider, and slider one end is provided with the spring, the spring other end and spout inner wall fixed connection, fixedly connected with movable plate between the slider, movable plate outer wall fixedly connected with pull rod, pull rod are close to gas permeable plate one end fixedly connected with striking ball, and the fixed die plate both ends outer wall all is provided with draws the piece, draws piece and pull rod fixed connection.

Preferably, the bottom of the fixed die plate is fixedly connected with a base, and the bottom of the base is fixedly connected with a damping rubber pad.

Preferably, the exhaust mechanism comprises an air pump and a ventilation plate, a plurality of air guide tubes are fixedly connected to the bottom of the inner wall of the air guide cavity, the air pump is fixedly connected with the inner wall of the base, the air guide tubes are fixedly connected with the air pump, and the ventilation plate is fixedly connected with the outer wall of the base.

Preferably, the inner wall of the moving mold cavity is provided with a bottom plate, the bottom plate is hollow, a breathable sponge is arranged inside the bottom plate, a plurality of air holes are formed in the outer wall of the bottom plate, exhaust pipes are arranged on the outer walls of two ends of the bottom plate, and the outer walls of two ends of the fixed mold plate are provided with one-way air valves and fixedly connected with the exhaust pipes.

Preferably, the outer walls of the two ends of the bottom plate are fixedly connected with supporting blocks, and the supporting blocks are fixedly connected with the inner wall of the movable model cavity.

Preferably, the two ends of the inner wall of the air guide cavity are provided with rotating blocks, the rotating blocks are rotatably connected with the outer wall of the exhaust pipe, the outer wall of each rotating block is fixedly connected with a plurality of connecting sockets, the other ends of the connecting sockets are fixedly connected with heating rods, and the heating rods are electrically connected with the electric control mechanism.

The utility model has the advantages that:

1. the fixed die plate is arranged to be hollow, and the air guide cavity is arranged in the fixed die plate, so that air flow in the movable die plate cavity can be timely guided out by the aid of the air outlet pipes at two ends of the inner wall of the movable die plate cavity, the air guide plate arranged in the air outlet pipes can achieve the purpose of filtering, the air flow can be timely and actively guided out by the aid of the air exhaust mechanism arranged in the air guide cavity, the air flow circulation is guaranteed, and the purpose of good air exhaust is achieved.

2. The bottom plate through setting up movable mould board intracavity wall utilizes a plurality of bleeder vents of outer wall to derive the air current, and from the blast pipe row between bottom plate and the movable mould board chamber to external world, can avoid the air current backward flow through setting up one-way pneumatic valve, guarantees the nature of air current and discharges smoothly, joins in marriage with exhaust mechanism's initiative and discharges, can further improve the exhaust capacity of device.

3. Draw the piece and be connected with the pull rod through setting up to can lead to the pulling and draw the piece and drive the pull rod and remove, the pull rod of removal drives the movable plate and removes, extrudees the spring in the spout and hold power, draws the piece through setting up the release, and the spring resets, and the impact ball of the spring of kick-backing messenger pull rod one end strikes the ventilating board of gas outlet duct inner wall, makes the impurity of ventilating board outer wall adhesion strike and drops, guarantees the ventilative filtration efficiency of ventilating board.

4. The heating rod connected by the rotating block and the connecting socket and used for controlling the outer wall of the exhaust pipe through the electric control mechanism heats, so that the temperature in the air guide cavity rises, the temperature difference is formed in the air guide cavity, the air flow convection is utilized for keeping away, the efficiency of the air flow from the air outlet pipe to the air guide cavity is accelerated, the rotating block and the exhaust pipe are matched for rotation connection, the heating rod is driven by the air flow to rotate, and the heating range and the heating efficiency are further improved.

Drawings

Fig. 1 is a schematic cross-sectional view of a plastic mold with good exhaust performance according to embodiment 1 of the present invention;

fig. 2 is a schematic view of a sectional structure of an air outlet pipe of the well-exhausted plastic mold of the present invention;

fig. 3 is a schematic view of a main structure of an air outlet pipe of the plastic mold with good air exhaust;

fig. 4 is a schematic view of a partial cross-sectional structure of a plastic mold with good exhaust performance according to embodiment 2 of the present invention.

In the figure: the device comprises a fixed template 1, a pull block 2, a pull rod 3, a movable template 4, a fixed bolt 5, a movable model cavity 6, a bottom plate 7, a breathable sponge 8, a supporting block 9, an air pump 10, an air duct 11, a base 12, a breathable plate 13, a damping rubber pad 14, an air exhaust pipe 15, a one-way air valve 16, an air guide cavity 17, an air outlet pipe 18, a connecting socket 19, a movable plate 20, a spring 21, a chute 22, an impact ball 23, a breathable plate 24, a rotating block 25 and a heating rod 26.

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 1

Referring to fig. 1-3, a plastic mold with good exhaust performance comprises a fixed mold plate 1, a movable mold plate 4 is arranged at the top of the fixed mold plate 1, fixing bolts 5 are connected to four corners of the outer wall of the top of the movable mold plate 4 in a threaded manner, the fixing bolts 5 are connected with the fixed mold plate 1 in a threaded manner, a movable mold cavity 6 is arranged at the top of the fixed mold plate 1, an electric control mechanism is fixedly connected to the outer wall of one side of the fixed mold plate 1, the fixed mold plate 1 is hollow, an air guide cavity 17 is arranged on the inner wall of the fixed mold plate 1, air outlet pipes 18 are arranged at two ends of the inner wall of the movable mold cavity 6, a ventilating plate 24 is fixedly connected to one end of the inner wall of the air outlet pipe 18 close to the movable mold cavity 6, an exhaust mechanism is arranged at the bottom of the air guide cavity 17, the fixed mold plate 1 is hollow and the air guide cavity 17 is arranged inside, so that the air flow in the movable mold plate cavity 6 can be timely led out by the air outlet pipes 18 at two ends of the inner wall of the movable mold plate cavity 6, the ventilation plate 24 arranged in the air outlet pipe 18 can play a role of filtering, and the air flow can be actively led out in time by arranging the exhaust mechanism in the air guide cavity 17, so that the air flow circulation is ensured, and the aim of good exhaust is fulfilled.

In the utility model, the top and the bottom of the inner wall of the outlet pipe 18 are both provided with a chute 22, the inner wall of the chute 22 is connected with a slide block in a sliding way, one end of the slide block is provided with a spring 21, the other end of the spring 21 is fixedly connected with the inner wall of the chute 22, a movable plate 20 is fixedly connected between the slide blocks, the outer wall of the movable plate 20 is fixedly connected with a pull rod 3, one end of the pull rod 3 close to a ventilation plate 24 is fixedly connected with an impact ball 23, the outer walls of the two ends of a fixed template 1 are both provided with a pull block 2, the pull block 2 is fixedly connected with the pull rod 3, the pull block 2 can be pulled to drive the pull rod 3 to move, the movable plate 20 is driven by the movable pull rod 3 to move, the spring 21 in the chute 22 is extruded to store force, the spring 21 is released to release the pull block 2, the spring resets, the rebounded spring 21 causes the impact ball 23 at one end of the pull rod 3 to impact the ventilation plate 24 on the inner wall of the outlet pipe 18, impurities adhered to the outer wall of the air permeable plate 24 are impacted and fall off, so that the air permeable filtering efficiency of the air permeable plate 24 is ensured;

the bottom of the fixed die plate 1 is fixedly connected with a base 12, and the bottom of the base 12 is fixedly connected with a damping rubber mat 14, so that the purpose of supporting and damping the die is achieved;

the inner wall of the movable mould cavity 6 is provided with a bottom plate 7, the bottom plate 7 is arranged to be hollow, the inside breathable sponge 8 that is provided with of the bottom plate 7, a plurality of bleeder vents have been seted up to the outer wall of 7 outer walls of bottom plate, 7 bottom both ends outer walls of bottom plate all are provided with blast pipe 15, 1 both ends outer wall of fixed mould board all is provided with one-way air valve 16, one-

way air valve

16 and 15 fixed connection of blast pipe, the equal fixedly connected with supporting shoe 9 of bottom plate 7 bottom both ends outer wall, supporting shoe 9 and 6 inner wall fixed connection of movable mould cavity, utilize a plurality of bleeder vents of outer wall to derive the air current through the bottom plate 8 that sets up 6 inner walls of movable mould board cavity, and from the 15 rows of blast pipes between 7 of bottom plate and the movable mould board cavity 6 to the external world, can avoid the air current reflux through setting up one-way air valve 16, guarantee the natural smooth emission of air current, join in marriage and exhaust mechanism's initiative emission, the exhaust capacity of device can further be improved.

The working principle is as follows: in the spare part of the device, all the components are referred to as structural parts to be connected, the specific connecting means refers to the following working principle that the components are connected in sequence, the detailed connecting means is the known technology in the field, the following main description is about the working principle and the process, and the detailed connecting means is not described again, when the device is used, the fixed die plate 1 is arranged to be hollow, and the air guide cavity 17 is arranged in the fixed die plate 1, so that the air flow in the movable die plate cavity 6 can be guided out in time by utilizing the air outlet pipes 18 at the two ends of the inner wall of the movable die plate cavity 6, the air flow can be filtered by arranging the air permeable plates 24 in the air outlet pipes 18, the air flow can be guided out in time and actively by arranging the exhaust mechanisms in the air guide cavity 17, the air flow is ensured, and the aim of good exhaust is fulfilled.

Example 2

Referring to fig. 2-4, in the plastic mold with good exhaust, two ends of the inner wall of the air guide cavity 17 are respectively provided with a rotating block 25, the rotating blocks 25 are rotatably connected with the outer wall of the exhaust pipe 15, the outer wall of each rotating block 25 is fixedly connected with a plurality of connecting sockets 19, the other end of each connecting socket 19 is fixedly connected with a heating rod 26, and each heating rod 26 is electrically connected with an electric control mechanism.

The working principle is as follows: through setting up the heating rod 26 that is connected by turning block 25 and connection socket 19 of electrical control mechanism control blast pipe 15 outer wall and heating, make the temperature rise in the air guide chamber 17, and form the difference in temperature in the movable mould type chamber 6, utilize the air current convection to keep away from, thereby accelerated the efficiency that the air current flows to air guide chamber 17 from outlet duct 18, and cooperation turning block 25 and blast pipe 15 rotate and connect, heating rod 26 realizes rotating under the drive of air current, further improve heating range and efficiency.

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 design of the present invention, equivalent replacement or change should be covered within the protection scope of the present invention.

Claims

1. A plastic mold with good exhaust comprises a fixed mold plate (1), a movable mold plate (4) is arranged at the top of the fixed mold plate (1), four corners of the outer wall of the top of the movable template (4) are connected with fixed bolts (5) in a threaded manner, the fixed bolt (5) is in threaded connection with the fixed template (1), the top of the fixed template (1) is provided with a movable model cavity (6), the outer wall of one side of the fixed template (1) is fixedly connected with an electric control mechanism, it is characterized in that the fixed die plate (1) is hollow, the inner wall of the fixed die plate (1) is provided with an air guide cavity (17), the two ends of the inner wall of the movable mould cavity (6) are respectively provided with an air outlet pipe (18), the air outlet pipes (18) are fixedly connected with the inner wall of the fixed mould plate (1), one end of the inner wall of the air outlet pipe (18) close to the movable mould cavity (6) is fixedly connected with a ventilation plate (24), and the bottom of the air guide cavity (17) is provided with an exhaust mechanism.

2. The plastic mold with good exhaust performance as claimed in claim 1, wherein sliding grooves (22) are formed in the top and the bottom of the inner wall of the air outlet pipe (18), sliding blocks are connected to the inner wall of each sliding groove (22) in a sliding mode, a spring (21) is arranged at one end of each sliding block, the other end of each spring (21) is fixedly connected with the inner wall of each sliding groove (22), a moving plate (20) is fixedly connected between the sliding blocks, a pull rod (3) is fixedly connected to the outer wall of each moving plate (20), an impact ball (23) is fixedly connected to one end, close to the ventilation plate (24), of each pull rod (3), pull blocks (2) are arranged on the outer walls of two ends of the fixed mold plate (1), and the pull blocks (2) are fixedly connected with the pull rods (3).

3. The plastic mold with good air exhaust performance as claimed in claim 1, wherein a base (12) is fixedly connected to the bottom of the fixed mold plate (1), and a shock-absorbing rubber pad (14) is fixedly connected to the bottom of the base (12).

4. The plastic mold with good air exhaust performance as claimed in claim 1, wherein the air exhaust mechanism comprises an air pump (10) and a vent plate (13), a plurality of air guide pipes (11) are fixedly connected to the bottom of the inner wall of the air guide cavity (17), the air pump (10) is fixedly connected to the inner wall of the base (12), the air guide pipes (11) are fixedly connected to the air pump (10), and the vent plate (13) is fixedly connected to the outer wall of the base (12).

5. The plastic mold with good exhaust performance as claimed in claim 1, wherein a bottom plate (7) is arranged on the inner wall of the movable mold cavity (6), the bottom plate (7) is hollow, a breathable sponge (8) is arranged inside the bottom plate (7), a plurality of breathable holes are formed in the outer wall of the bottom plate (7), exhaust pipes (15) are arranged on the outer walls of two ends of the bottom plate (7), one-way air valves (16) are arranged on the outer walls of two ends of the fixed mold plate (1), and the one-way air valves (16) are fixedly connected with the exhaust pipes (15).

6. The plastic mold with good air exhaust performance as claimed in claim 5, wherein the outer walls of the two ends of the bottom plate (7) are fixedly connected with supporting blocks (9), and the supporting blocks (9) are fixedly connected with the inner wall of the movable mold cavity (6).

7. The plastic mold with good air exhaust performance as claimed in claim 1, wherein the two ends of the inner wall of the air guide cavity (17) are provided with rotating blocks (25), the rotating blocks (25) are rotatably connected with the outer wall of the exhaust pipe (15), the outer wall of each rotating block (25) is fixedly connected with a plurality of connecting sockets (19), the other ends of the connecting sockets (19) are fixedly connected with heating rods (26), and the heating rods (26) are electrically connected with the electric control mechanism.