Sprue spreader for silica gel extrusion die

Abstract

The utility model relates to the technical field of silica gel extrusion dies, in particular to a silica gel extrusion die sprue spreader which comprises a sprue spreader body, a plurality of shunting holes are formed in the outer portion of the sprue spreader body, auxiliary assemblies facilitating flowing of silica gel are arranged in the shunting holes, each auxiliary assembly comprises a rotating groove formed in one end of the sprue spreader body, and a rotating disc is arranged in the rotating groove. A plurality of insertion holes are formed in the outer wall of the rotating disc, and mounting plates are arranged in the insertion holes; a through hole is formed in the inner wall of the air bin, a heat dissipation plate is arranged on the inner wall of the through hole, a sliding groove is formed in one end of the air bin, a piston is arranged in the air bin, and a connecting rod is arranged at one end of the piston. According to the utility model, the sprue spreader is heated, the temperature difference between the sprue spreader and a sizing material is reduced, the flowing effect of the sizing material is improved, the heating temperature is utilized to enable the diversion trench area of the sprue spreader to vibrate, and the flowing resistance and irregular fluctuation are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of silica gel extrusion mould, specifically to a silica gel extrusion mould flow divider cone. BACKGROUND

[0002] Silica gel extrusion mould is a tool used to make various shaped products by extruding silica gel material. Flow divider cone is widely used in silica gel extrusion mould, especially in situations where precise control of material flow and filling is required. Silica gel extrusion mould flow divider cone plays an important role in ensuring uniform material filling and improving product quality. By reasonably designing and optimizing the structure and material of flow divider cone, production efficiency and product quality can be significantly improved to meet the needs of different application fields.

[0003] However, in the current technology, the flow divider cone in the actual use process is too rough in the flow channel, or when the glue contacts the flow divider cone, the temperature difference between the flow divider cone and the glue will affect the flow performance of the silica gel. Uneven temperature will cause inconsistent curing speed of silica gel in the flow channel, affecting pressure distribution and causing glue fluctuations, affecting product quality. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a silica gel extrusion mould flow divider cone to solve the problems raised in the background.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A silica gel extrusion mould flow divider cone, comprising a flow divider cone, a plurality of flow divider holes are provided on the outside of the flow divider cone, an auxiliary assembly for facilitating the flow of glue is provided inside the flow divider hole, the auxiliary assembly comprises a rotating groove provided at one end of the flow divider cone, a rotating disc is provided inside the rotating groove, a plurality of insertion holes are provided on the outer wall of the rotating disc, and a mounting plate is provided inside each insertion hole.

[0007] A gas chamber is provided inside the flow divider cone, a through hole is provided on the inner wall of the gas chamber, a heat sink is provided on the inner wall of the through hole, a sliding groove is provided at one end of the gas chamber, and a piston is provided inside the gas chamber.

[0008] As a preferred scheme of the utility model, the flow divider holes on the flow divider cone correspond to the auxiliary holes on the rotating disc, and the rotating disc is located in the rotating groove and is in sliding connection with the inner wall of the rotating groove.

[0009] As a preferred scheme of the utility model, a plurality of insertion holes are annularly distributed on the outer wall of the rotating disc, and the insertion holes and the auxiliary holes are staggered, a heating plate is installed inside the mounting plate, and one end of the mounting plate extends into the insertion hole and is in sliding connection with the inner wall of the insertion hole.

[0010] As the preferred scheme of the utility model, temperature sensors are installed in the flow dividing cone and the extruder, the heating plate in the mounting plate corresponds to the internal temperature sensor of the extruder, and the temperature sensor in the flow dividing cone is electrically connected with the rotating disc.

[0011] As the preferred scheme of the utility model, the through hole is communicated with the air chamber at both ends and is located at both ends of the air chamber, a one-way valve is installed at the end of the air chamber away from the chute, and the air chamber is loaded with compressed gas.

[0012] As the preferred scheme of the utility model, one end of the connecting rod is located in the air chamber and is connected with the piston, the other end extends into the chute and is slidably connected with the inner wall of the chute, and the spring is installed in the chute.

[0013] Compared with the prior art, the utility model has the beneficial effects that: aiming at the problems in the background art, the application adopts an auxiliary assembly, sets a rotating disc in the flow dividing cone, controls the switch of the flow dividing hole through the rotation of the rotating disc, inserts a heating plate in the rotating disc, heats the flow dividing cone through the heating plate before extruding the rubber material, heats the flow dividing cone to the temperature corresponding to the rubber material in the extruder through the temperature sensor, reduces the temperature difference between the flow dividing cone and the rubber material, ensures the uniform temperature, improves the smooth flow of the rubber material, and expands the gas in the air chamber through the high temperature during heating and pushes the connecting rod through the piston to stretch and collide, makes the flow dividing cone vibrate, reduces the viscosity of the rubber material and the flow dividing cone through the vibration, and makes the rubber material flow more easily, thereby reducing the flow resistance and irregular fluctuation.

[0014] The utility model realizes heating of the flow dividing cone, reduces the temperature difference with the rubber material, improves the flow effect of the rubber material, and makes the flow dividing groove area of the flow dividing cone vibrate through the temperature of heating, thereby reducing the flow resistance and irregular fluctuation. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the overall structure perspective of the utility model.

[0016] Fig. 2 It is the flow dividing cone and rotating disc separation structure diagram of the utility model.

[0017] Fig. 3 It is the air chamber internal section view of the utility model.

[0018] In the drawing: 1, flow dividing cone;2, flow dividing hole;3, rotating groove;4, rotating disc;401, jack;5, mounting plate;6, air chamber;601, through hole;602, heat dissipation plate;7, piston;701, connecting rod;8, chute. DETAILED DESCRIPTION

[0019] The technical scheme in the utility model embodiment will be clearly and completely described below with reference to the utility model embodiments. Embodiment

[0020] Please refer to Figs. 1-3 The utility model provides a technical scheme: a silica gel extrusion die flow divider, comprising a flow divider 1, a plurality of flow holes 2 are arranged outside the flow divider 1, (the main role of flow hole 2 is to distribute the material from the screw conveying part evenly to each part of the flow divider 1. By reasonably designing the number and position of flow hole 2, the flow resistance of the material in the flow divider 1 can be reduced, and the material can be evenly filled into the die), an auxiliary assembly for facilitating the flow of the glue is arranged inside the flow hole 2, the auxiliary assembly comprises a rotating groove 3 arranged at one end of the flow divider 1 and used for positioning the angle of the rotating disc 4, the rotating groove 3 is internally provided with the rotating disc 4, the rotating disc 4 can rotate in the rotating groove 3, thereby controlling the opening and closing of the flow hole 2, the auxiliary hole in the rotating disc 4 is staggered with the flow hole 2 in the conventional state, thereby closing the flow hole 2, and when the flow divider 1 is heated to correspond to the glue, the rotating disc 4 is controlled to rotate to make the auxiliary hole correspond to the flow hole 2, thereby the glue can flow out of the flow hole 2, a plurality of insertion holes 401 are arranged on the outer wall of the rotating disc 4, a plurality of mounting plates 5 are arranged inside the insertion holes 401, a heating plate is mounted in the mounting plate 5, the mounting plate 5 can be embedded in the insertion hole 401, thereby heating the flow divider 1 through the heating plate, so that the temperature of the flow divider 1 corresponds to the glue in the extruder, and when the sensor detects that the temperature of the flow divider 1 reaches the set value, a signal is sent and the rotating disc 4 is controlled to rotate to open the flow hole 2.

[0021] The flow divider 1 is internally provided with an air chamber 6, the compressed gas in the air chamber 6 expands when the flow divider 1 is heated, pushes the piston 7 to shrink in the air chamber 6, drives the connecting rod 701 to move and shrink in the sliding groove 8, collides with the inner wall of the sliding groove 8, makes the flow divider 1 vibrate, the inner wall of the air chamber 6 is provided with a through hole 601, the through hole 601 communicates with both ends of the air chamber 6, when the piston 7 shrinks to the position of the through hole 601, pressure relief is carried out through the through hole 601, and the expanded gas is cooled through the heat dissipation plate 602 on the inner wall of the through hole 601, realizing reciprocating motion, the vibration can reduce the viscosity of the material, so that the material flows more easily, thereby reducing the flow resistance and irregular fluctuation, and making the glue flow more uniformly in the material guide groove, reducing the formation of stagnation and air bubbles, and making the glue flow more stably. The inner wall of the through hole 601 is provided with a heat dissipation plate 602, one end of the air chamber 6 is provided with a sliding groove 8, the air chamber 6 is internally provided with a piston 7, one end of the piston 7 is provided with a connecting rod 701.

[0022] All electrical elements in the embodiment are controlled through a conventional controller.

[0023] Embodiment, please refer to Figs. 1-3The utility model discloses a kind of extrusion machines, including extruder, the extruder is provided with the flow cone 1 on the top, the flow hole 2 on the flow cone 1 is corresponding with the auxiliary hole on the rotating disc 4, the rotating disc 4 is located in rotating groove 3, and with rotating groove 3 inner wall sliding connection, multiple the jack 401 annular distribution is distributed in rotating disc 4 outer wall, and jack 401 is staggered with auxiliary hole distribution, heating plate is installed in the inside of mounting plate 5, and mounting plate 5 one end extends into jack 401 and with jack 401 inner wall sliding connection, temperature sensor is installed in the flow cone 1 and extruder, the heating plate in the inside of mounting plate 5 is corresponding with the temperature sensor inside extruder, the temperature sensor in the flow cone 1 is electrically connected with rotating disc 4, and the through-hole 601 both ends are communicated with air chamber 6, and are located air chamber 6 both ends respectively, and through-hole 601 is located air chamber 6 away from sliding groove 8 one end is provided with check valve, air chamber 6 is loaded with compressed gas, the connecting rod 701 one end is located in air chamber 6, and is connected with piston 7, the other end extends into sliding groove 8, and with sliding groove 8 inner wall sliding connection, spring is installed in the inside of sliding groove 8.In use, first, before extruding rubber material in extruder, the heating plate in the inside of mounting plate 5 is controlled to operate by controller, and rotating disc 4 is heated and is conducted to flow cone 1, and flow cone 1 and multiple flow holes 2 are heated, when heating to set temperature, rotating disc 4 is controlled to rotate, so that the auxiliary hole of rotating disc 4 corresponds with flow hole 2, so that rubber material can be extruded from flow hole 2, while extruding, the gas in air chamber 6 is heated by temperature conduction of heating of flow cone 1, so that it expands, and pushes piston 7 and connecting rod 701 to contract, through connecting rod 701, sliding groove 8 is hit when contracting, so that the flow guide groove area of flow cone 1 is vibrated, so that rubber material flows more stably.

[0024] The utility model work flow: in use, first, before extruding rubber material in extruder, the heating plate in the inside of mounting plate 5 is controlled to operate by controller, and rotating disc 4 is heated and is conducted to flow cone 1, and flow cone 1 and multiple flow holes 2 are heated, when heating to set temperature, rotating disc 4 is controlled to rotate, so that the auxiliary hole of rotating disc 4 corresponds with flow hole 2, so that rubber material can be extruded from flow hole 2, while extruding, the gas in air chamber 6 is heated by temperature conduction of heating of flow cone 1, so that it expands, and pushes piston 7 and connecting rod 701 to contract, through connecting rod 701, sliding groove 8 is hit when contracting, so that the flow guide groove area of flow cone 1 is vibrated, so that rubber material flows more stably.

[0025] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A silicone rubber extrusion die flow divider cone comprising a flow divider cone (1) provided with a plurality of flow divider holes (2) on the outside, the flow divider holes (2) being provided with an auxiliary assembly inside to facilitate the flow of rubber, characterized in that: The auxiliary assembly includes a rotating groove (3) arranged at one end of the flow divider cone (1), the rotating groove (3) is internally provided with a rotating disc (4), the outer wall of the rotating disc (4) is provided with a plurality of insertion holes (401), the plurality of insertion holes (401) are internally provided with mounting plates (5); The flow divider cone (1) is internally provided with an air chamber (6), the inner wall of the air chamber (6) is provided with a through hole (601), the inner wall of the through hole (601) is provided with a heat dissipation plate (602), one end of the air chamber (6) is provided with a sliding groove (8), the air chamber (6) is internally provided with a piston (7), one end of the piston (7) is provided with a connecting rod (701).

2. A flow divider cone for a silicone extrusion die according to claim 1, wherein: The flow distribution hole (2) on the flow divider cone (1) corresponds to the auxiliary hole on the rotating disc (4), the rotating disc (4) is located in the rotating groove (3) and is in sliding connection with the inner wall of the rotating groove (3).

3. The diverging cone for silicone extrusion dies of claim 1, wherein: The plurality of insertion holes (401) are annularly distributed on the outer wall of the rotating disc (4), and the insertion holes (401) and the auxiliary holes are staggered, the mounting plates (5) are internally provided with heating plates, and one end of the mounting plates (5) extends into the insertion holes (401) and is in sliding connection with the inner wall of the insertion holes (401).

4. The diverging cone for silicone extrusion dies of claim 1, wherein: The flow divider cone (1) and the extruder are internally provided with temperature sensors, the heating plates in the mounting plates (5) correspond to the internal temperature sensors of the extruder, and the temperature sensors in the flow divider cone (1) are in electrical connection with the rotating disc (4).

5. The silicone extrusion die flow divider cone of claim 1, wherein: Both ends of the through hole (601) are communicated with the air chamber (6) and are respectively located at both ends of the air chamber (6), a one-way valve is mounted at one end of the air chamber (6) away from the sliding groove (8), and the air chamber (6) is internally loaded with compressed gas.

6. The silicone extrusion die flow divider cone of claim 1, wherein: One end of the connecting rod (701) is located in the air chamber (6) and is connected with the piston (7), the other end extends into the sliding groove (8) and is in sliding connection with the inner wall of the sliding groove (8), and the sliding groove (8) is internally provided with a spring.

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