Convenient-to-replace injection molding port of injection molding machine

Abstract

The utility model relates to the technical field of injection molding machines, and provides a convenient-to-replace injection molding port of an injection molding machine, which comprises a conveying pipe and an injection molding head arranged below the conveying pipe, and further comprises a first fixing ring fixedly connected to the outer surface of the conveying pipe. According to the injection molding device, the electromagnet is controlled to be closed through the controller, so that the electromagnet loses magnetism, and the state that the electromagnet attracts the magnet ring is relieved, at the moment, the injection molding head moves downwards by a proper distance under the action of gravity, and at the moment, a worker rotates the second fixing ring with hands to drive the injection molding head, the supporting ring and the magnet ring to rotate by a proper angle; the injection molding head can be taken down by moving the second arc-shaped block to the second arc-shaped groove, moving the first arc-shaped block to the first arc-shaped groove and passing through the first arc-shaped groove downwards, so that the injection molding head can be quickly disassembled without tools, time and labor are saved in the process, and the replacement efficiency of the injection molding head is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to injection molding machine technical field especially, relates to a kind of injection molding machine injection molding mouth of easy replacement. BACKGROUND

[0002] Injection molding machine, also known as injection molding machine or injection machine, is a kind of plastic machinery, it is the main molding equipment of thermoplastic or thermosetting plastic into various shapes of plastic products using plastic molding mold. The working principle of injection molding machine is similar to that of syringe for injection, it is by the push of screw (or plunger), the plastic in molten state (i.e. viscous flow state) is injected into the closed mold cavity, and the product is obtained after solidification and setting. Injection port is injection head.

[0003] In the prior art, the injection head of injection molding machine is usually fixed with the delivery pipe of injection molding machine by threaded connection, so that the injection head may need to be disassembled with tools when replacing, which is time-consuming and laborious, resulting in low efficiency of injection head replacement. UTILITY MODEL CONTENT

[0004] The utility model aims at solving the problem in the prior art that the injection head of injection molding machine is usually fixed with the delivery pipe of injection molding machine by threaded connection, so that the injection head may need to be disassembled with tools when replacing, which is time-consuming and laborious, resulting in low efficiency of injection head replacement.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a kind of injection molding machine injection molding mouth of easy replacement, comprising: delivery pipe and injection head, the injection head is arranged below the delivery pipe, further comprising:

[0006] Fixed ring one is fixedly connected to the outer surface of the delivery pipe, the bottom of the fixed ring one is provided with annular groove one, the inner wall of the annular groove one is provided with annular groove two at the top, the top of the fixed ring one is fixedly connected with a plurality of electromagnets in circumferential array, the outer surface of the injection head is fixedly connected with fixed ring two, the top of the fixed ring two is fixedly connected with support ring, the top of the support ring is fixedly connected with magnet ring, the outer surface of the magnet ring is slidably connected in the annular groove two, the outer surface of the support ring is slidably connected in the annular groove one, a plurality of electromagnets are magnetically attracted to the magnet ring, the bottom of the delivery pipe is fixedly connected with sealing ring, the top of the injection head is provided with annular sealing groove, the outer surface of the sealing ring is slidably connected in the annular sealing groove.

[0007] Preferably, the inner wall of the annular groove one close to the sealing ring is provided with a plurality of arc grooves two in circumferential array, the inner wall of the magnet ring is provided with a plurality of arc blocks two in circumferential array, the arc blocks two are matched with the arc grooves two.

[0008] Preferably, the annular groove one is provided with a plurality of arc grooves one in a circumferential array away from the inner wall of the sealing ring, and the outer surface of the magnet ring is fixedly connected with a plurality of arc blocks one in a circumferential array.

[0009] Preferably, the inner diameter and the outer diameter of the annular groove two are greater than the inner diameter and the outer diameter of the annular groove one respectively, the inner diameter and the outer diameter of the support ring are equal to the inner diameter and the outer diameter of the magnet ring respectively, and the inner diameter and the outer diameter of the support ring are equal to the inner diameter and the outer diameter of the annular groove one respectively.

[0010] Preferably, the bottom of the inner wall of the annular groove two is fixedly connected with a plurality of pressure sensors in a circumferential array, and the top of the fixed ring one is fixedly connected with a plurality of alarm lamps in a circumferential array.

[0011] Preferably, the top of the inner wall of the annular groove two is fixedly connected with a plurality of limiting columns in a circumferential array.

[0012] Preferably, the bottom of the inner wall of the annular sealing groove is fixedly connected with a sealing gasket.

[0013] Compared with the prior art, the utility model has the advantages and positive effects that,

[0014] 1. The utility model discloses a controller controls the electromagnet to close, makes it lose magnetism, removes its to magnet ring adsorption's state, at this time, the injection head will be under the action of gravity, moves proper distance downward, makes the magnet ring slide proper distance downward along the inside of annular groove two simultaneously, makes arc block no.

[0015] 2. The utility model discloses when arc block no. 1 contacts pressure sensor, will make pressure sensor receive a pressure, transmits the signal to the controller through pressure sensor, and then controls the alarm lamp to flicker through the controller, so when the electromagnet does not adsorb the magnet ring, can remind the staff that the electromagnet is in the closed state, and the injection head has not been installed in place. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A structure diagram of injection molding port of injection molding machine convenient to replace is provided for the utility model;

[0017] Figure 2The magnet ring structure schematic view of the injection molding port of the injection molding machine provided by the utility model is convenient to replace;

[0018] Figure 3 The internal structure schematic view of the fixed ring one of the injection molding port of the injection molding machine provided by the utility model is convenient to replace;

[0019] Figure 4 The cross section structure schematic view of the injection molding port of the injection molding machine provided by the utility model is convenient to replace.

[0020] Legend:

[0021] 1, conveying pipe; 101, fixed ring one; 102, electromagnet; 103, alarm lamp; 104, sealing ring; 105, annular groove one; 106, arc-shaped groove one; 107, arc-shaped groove two; 108, annular groove two; 109, limiting column; 110, pressure sensor; 2, injection molding head; 201, fixed ring two; 202, support ring; 203, magnet ring; 204, arc-shaped block one; 205, arc-shaped block two; 206, annular sealing groove; 207, sealing gasket. Specific embodiments

[0022] In order to make the above-mentioned purpose, features and advantages of the utility model more clearly understood, the utility model will be further described below in combination with the drawings and embodiments.

[0023] In the following description, a lot of specific details are set forth in order to give a thorough understanding of the utility model, however, the utility model can also be implemented in other ways different from the description, therefore, the utility model is not limited to the specific embodiments disclosed in the following description.

[0024] Embodiments, such as Figures 1-4The utility model provides a kind of injection molding machine injection molding mouth of convenient replacement, it include: delivery pipe 1 and injection head 2, injection head 2 is arranged below delivery pipe 1, further include: fixed ring one 101, fixedly connected in the outer surface of delivery pipe 1, the bottom of fixed ring one 101 is equipped with annular groove one 105, the top of annular groove one 105 inner wall is equipped with annular groove two 108, the top of fixed ring one 101 is fixedly connected with multiple electromagnets 102 in circumferential array, the outer surface of injection head 2 is fixedly connected with fixed ring two 201, the top of fixed ring two 201 is fixedly connected with support ring 202, the top of support ring 202 is fixedly connected with magnet ring 203, the outer surface of magnet ring 203 is slidably connected in the inside of annular groove two 108, the outer surface of support ring 202 is slidably connected in the inside of annular groove one 105, multiple electromagnets 102 are all with magnet ring 203 magnetic attraction, the bottom of delivery pipe 1 is fixedly connected with sealing ring 104, the top of injection head 2 is equipped with annular sealing groove 206, the outer surface of sealing ring 104 is slidably connected in the inside of annular sealing groove 206.

[0025] Further, as shown in the figure, Figures 1-4 The inner wall of annular groove one 105 close to sealing ring 104 is circumferentially arrayed with multiple arc grooves two 107, the inner wall of magnet ring 203 is circumferentially arrayed with multiple arc blocks two 205, the arc blocks two 205 are adapted to the arc grooves two 107, and through the above-mentioned setting, the arc blocks two 205 can pass through the arc grooves two 107 and enter the annular groove two 108.

[0026] Further, as shown in the figure, Figures 1-4 The inner wall of annular groove one 105 away from sealing ring 104 is circumferentially arrayed with multiple arc grooves one 106, the outer surface of magnet ring 203 is circumferentially arrayed with multiple arc blocks one 204, the arc blocks one 204 are adapted to the arc grooves one 106, and through the above-mentioned setting, the arc blocks one 204 can pass through the arc grooves one 106 and enter the annular groove two 108.

[0027] Further, as shown in the figure, Figures 1-4 The inner diameter and outer diameter of annular groove two 108 are greater than the inner diameter and outer diameter of annular groove one 105 respectively, the inner diameter and outer diameter of support ring 202 are equal to the inner diameter and outer diameter of magnet ring 203 respectively, and the inner diameter and outer diameter of support ring 202 are equal to the inner diameter and outer diameter of annular groove one 105 respectively, and through the above-mentioned setting, when electromagnet 102 loses adsorption to magnet ring 203 due to accidental power failure, arc blocks one 204 and arc blocks two 205 can be supported, to avoid the direct falling of injection head 2.

[0028] Further, as shown in the figure, Figures 1-4As shown, the bottom of the inner wall of the annular groove two 108 is fixedly connected with a plurality of pressure sensors 110 in a circumferential array, and the top of the fixed ring one 101 is fixedly connected with a plurality of alarm lights 103 in a circumferential array. Through the above setting, when the arc-shaped block one 204 contacts the pressure sensor 110, the pressure sensor 110 will be subjected to a pressure, and the signal will be transmitted to the controller through the pressure sensor 110, and then the controller controls the alarm light 103 to flash.

[0029] Further, as shown in the figure, Figures 1-4 the top of the inner wall of the annular groove two 108 is fixedly connected with a plurality of limiting columns 109 in a circumferential array, and through the setting of the limiting column 109, a certain limiting effect is achieved on the arc-shaped block one 204.

[0030] Further, as shown in the figure, Figures 1-4 the bottom of the inner wall of the annular sealing groove 206 is fixedly connected with a sealing gasket 207, and through the setting of the sealing gasket 207, a certain sealing effect is achieved.

[0031] Working principle: when the injection head 2 needs to be replaced, the electromagnet 102 is controlled to be closed, so that it loses magnetism and releases the adsorption state of the magnet ring 203, at this time the injection head 2 moves downward under the action of gravity, synchronously makes the magnet ring 203 slide downward along the inside of the annular groove two 108, synchronously makes the arc-shaped block two 205 and the arc-shaped block one 204 slide downward along the inside of the annular groove two 108, at this time the worker rotates the fixed ring two 201 by hand to make it drive the injection head 2, the support ring 202 and the magnet ring 203 to rotate by a proper angle, so that the arc-shaped block two 205 moves to the arc-shaped groove two 107 position, the arc-shaped block one 204 moves to the arc-shaped groove one 106 position, and downward, that is, the injection head 2 can be taken off, which can quickly disassemble the injection head 2 without the aid of tools, which is time-saving and labor-saving, thereby improving the efficiency of replacing the injection head 2, and then replace the new injection head 2, insert the arc-shaped block two 205 into the arc-shaped groove two 107, insert the arc-shaped block one 204 into the arc-shaped block one 204, make the magnet ring 203 and the support ring 202 pass through the annular groove one 105 into the annular groove two 108 in turn, and rotate the injection head 2, so that the arc-shaped block one 204 contacts the limiting column 109 to limit the magnet ring 203, and then the controller controls the electromagnet 102 to be opened, so that the electromagnet 102 adsorbs the magnet ring 203 to fix the injection head 2, at this time the sealing ring 104 is inserted into the annular sealing groove 206, and the sealing gasket 207 is extruded to a certain extent, so that the conveying pipe 1 and the injection head 2 are tightly connected together, and the sealing gasket 207 is arranged to play a certain sealing effect, when the arc-shaped block one 204 contacts the pressure sensor 110, the pressure sensor 110 will be subjected to a pressure, the signal is transmitted to the controller through the pressure sensor 110, and then the controller controls the alarm lamp 103 to flash, so that when the electromagnet 102 is not adsorbed to the magnet ring 203, the worker can be reminded that the electromagnet 102 is in the closed state and the injection head 2 is not installed in place.

[0032] The above is only a preferred embodiment of the present application, and is not intended to limit the present application in other forms. Any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields, but any simple modification, equivalent change and modification made on the basis of the technical essence of the present application to the above embodiments still belongs to the protection scope of the technical scheme of the present application.

Claims

1. A replaceable injection molding nozzle for an injection molding machine, comprising: The delivery pipe (1) and injection head (2), wherein the injection head (2) is disposed below the delivery pipe (1), characterized in that it further comprises: A fixing ring 1 (101) is fixedly connected to the outer surface of the delivery pipe (1). An annular groove 1 (105) is formed at the bottom of the fixing ring 1 (101). An annular groove 2 (108) is formed at the top of the inner wall of the annular groove 1 (105). Multiple electromagnets (102) are fixedly connected to the top of the fixing ring 1 (101) in a circular array. A fixing ring 2 (201) is fixedly connected to the outer surface of the injection head (2). A support ring (202) is fixedly connected to the top of the fixing ring 2 (201). The top of the support ring (202)... A magnet ring (203) is fixedly connected, and the outer surface of the magnet ring (203) is slidably connected to the inside of the second annular groove (108). The outer surface of the support ring (202) is slidably connected to the inside of the first annular groove (105). Multiple electromagnets (102) are magnetically attracted to the magnet ring (203). A sealing ring (104) is fixedly connected to the bottom of the delivery pipe (1). An annular sealing groove (206) is opened on the top of the injection head (2). The outer surface of the sealing ring (104) is slidably connected to the inside of the annular sealing groove (206).

2. A replaceable injection molding nozzle for an injection molding machine as defined in claim 1, wherein: The annular groove (105) near the inner wall of the sealing ring (104) has multiple arc-shaped grooves (107) arranged in a circular array. The inner wall of the magnet ring (203) has multiple arc-shaped blocks (205) arranged in a circular array. The arc-shaped blocks (205) are adapted to the arc-shaped grooves (107).

3. A replaceable injection molding nozzle for an injection molding machine as defined in claim 2, wherein: The inner wall of the annular groove (105) away from the sealing ring (104) is provided with a plurality of arc-shaped grooves (106) in a circular array. The outer surface of the magnet ring (203) is fixedly connected with a plurality of arc-shaped blocks (204) in a circular array. The arc-shaped blocks (204) are adapted to the arc-shaped grooves (106).

4. A replaceable injection molding nozzle for an injection molding machine as defined in claim 3, wherein: The inner and outer diameters of the second annular groove (108) are larger than the inner and outer diameters of the first annular groove (105), respectively. The inner and outer diameters of the support ring (202) are equal to the inner and outer diameters of the magnet ring (203), respectively. The inner and outer diameters of the support ring (202) are equal to the inner and outer diameters of the first annular groove (105), respectively.

5. A replaceable injection molding nozzle for an injection molding machine as defined in claim 4, wherein: The bottom of the inner wall of the second annular groove (108) is fixedly connected in a circular array with multiple pressure sensors (110), and the top of the first fixed ring (101) is fixedly connected in a circular array with multiple alarm lights (103).

6. A replaceable injection molding nozzle for an injection molding machine as defined in claim 5, wherein: The top of the inner wall of the annular groove 2 (108) is fixedly connected with multiple limiting posts (109) in a circular array.

7. A replaceable injection molding nozzle for an injection molding machine as defined in claim 1, wherein: A sealing gasket (207) is fixedly connected to the bottom of the inner wall of the annular sealing groove (206).

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