Rubber part injection molding machine facilitating material taking

By using high-pressure airflow-assisted demolding and a split-structure mold design, combined with a mechanical ejection mechanism and a water-cooling channel, the problems of difficult demolding and burn risk of rubber parts in traditional injection molding machines have been solved, enabling fast, safe, and automated material handling of rubber parts.

CN121105328AInactive Publication Date: 2025-12-12常州市五源塑胶有限公司
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Patent Information

Application Number
CN202511266499.5
Authority / Receiving Office
CN · China
Patent Type
Applications(China)
Current Assignee / Owner
Filing Date
2025-09-05
Publication Date
2025-12-12
Estimated Expiration
Not applicable · inactive patent

AI Technical Summary

Technical Problem

When producing large-sized rubber parts, traditional injection molding machines have difficulty in completely demolding due to the ejection mechanism. Furthermore, the surface temperature of the cooled rubber parts is high, posing a risk of burns for manual handling and affecting production efficiency and safety.

Method used

It adopts a high-pressure airflow-assisted demolding mechanism and a split-structure mold design, combined with a mechanical ejection mechanism. It uses a high-pressure air pump to assist demolding and accelerates cooling through a water-cooling channel to achieve automated material handling.

Benefits of technology

It enables rapid and safe demolding of rubber parts, reduces manual intervention, improves production efficiency and safety, and reduces the risk of deformation.

✦ Generated by Eureka AI based on patent content.

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Abstract

The invention discloses a rubber part injection molding machine facilitating material taking, and relates to the technical field of injection molding machines. Comprising an injection molding outer box and an injection molding fixed mold mechanism which is located on the inner side of the injection molding outer box and comprises a fixed mold fixing frame, a fixed mold fixing plate, a fixed mold fixing frame and a fixed mold movable frame; the injection molding movable mold mechanism comprises a movable mold fixing plate, a movable mold movable plate, a movable mold auxiliary forming frame and a high-pressure airflow auxiliary demolding mechanism. According to the injection molding machine, a mechanical ejection mechanism is formed by an ejection rod, a movable plate and an ejection auxiliary rod, an abutting block is arranged in a matching groove in the right side wall of a movable mold auxiliary forming frame, and an exhaust hole in the axial side wall of the abutting block communicates with the output end of a high-pressure air pump through a connecting pipe, an air guide pipe, a ventilation pipe and a connecting air pipe; the ejection auxiliary rod is used for pushing the moving plate and the ejection rod to carry out product ejection demolding operation, the abutting block moves rightwards in the ejection process, the high-pressure air pump is used for blowing air into a molded rubber part product, and rapid demolding of an injection molding part is achieved.
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Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of injection molding machines, in particular to a rubber part injection molding machine facilitating material taking. BACKGROUND

[0002] An injection molding machine is an industrial equipment that heats and plasticizes rubber or plastic raw materials and injects them into a mold cavity under high pressure to form products.

[0003] Traditional injection molding machines usually use a ejector rod or a ejector plate mechanism to eject the cooled products from the mold, but when producing large-sized rubber parts, due to the large contact area between the product and the mold, the adsorption force is strong, and a single ejection mechanism often cannot completely demold the product, resulting in the need for manual assistance to take the material, which not only increases the complexity of the production process, but also the surface temperature of the just-formed rubber part is still high even after cooling, and manual material taking has the risk of scalding, affecting the operation safety and production efficiency. Therefore, the present application proposes a rubber part injection molding machine facilitating material taking. SUMMARY

[0004] The present application aims to provide a rubber part injection molding machine facilitating material taking, which solves the technical problems raised in the background art.

[0005] To achieve the above-mentioned purpose, the present application provides the following technical solution: a rubber part injection molding machine facilitating material taking, comprising, an injection molding outer box, the outer side of which is provided with a high-pressure gas pump; an injection molding fixed mold mechanism located on the inner side of the injection molding outer box, the injection molding fixed mold mechanism comprising a fixed mold fixed frame fixed on the right inner wall of the injection molding outer box, a fixed mold fixed plate fixed on the left side wall of the fixed mold fixed frame, a fixed mold fixed frame fixed on the left side end of the fixed mold fixed plate, and a fixed mold movable frame located on the left side of the fixed mold fixed frame; an injection molding movable mold mechanism located on the inner side of the injection molding outer box, the injection molding movable mold mechanism comprising a movable mold fixed plate, a movable mold movable plate located on the right side of the movable mold fixed plate, a movable mold auxiliary forming frame fixed on the right side of the movable mold movable plate, and a high-pressure gas flow assisted demolding mechanism located on the right side of the movable mold fixed plate; the high-pressure gas flow assisted demolding mechanism comprising a circular truncated cone-shaped matching groove opened on the right side wall of the movable mold auxiliary forming frame, an abutment block matched with the matching groove, a connecting pipe fixed on the left side end of the abutment block, and a plurality of exhaust holes opened on the axial side wall of the abutment block and communicated with the connecting pipe.

[0006] Preferably, the high-pressure gas flow assisted demolding mechanism further comprises a gas guide pipe fixed on the left side end of the connecting pipe, a telescopic outer cylinder located on the left side of the gas guide pipe, a contact outer frame fixed on the left side end of the telescopic outer cylinder, an air pipe fixed on the inner side of the contact outer frame, and a connecting air pipe penetrating through the side wall of the contact outer frame and communicated with the air pipe; The connecting pipe is in communication with the output end of the high-pressure air pump, the left end of the air guide pipe penetrates the movable plate and the right side wall of the telescopic outer cylinder in sequence and is fixedly connected with a sliding plate, the right end of the air guide pipe penetrates the left side wall of the telescopic outer cylinder and the sliding plate in sequence and extends into the air guide pipe, an auxiliary spring is arranged on the air guide pipe, and the left and right ends of the auxiliary spring are fixedly connected with the left side inner wall of the telescopic outer cylinder and the left end of the sliding plate respectively.

[0007] Preferably, the connecting pipe is fixedly connected with an abutting ring on the outer side wall, the left end of the abutting ring is in abutment with the left side wall of the movable plate, a sealing spring is arranged on the connecting pipe, the left and right ends of the sealing spring are fixedly connected with the right side wall of the abutting ring and the right side inner wall of the movable auxiliary forming frame respectively, and the right end of the abutting ring is fixedly connected with a limiting block.

[0008] Preferably, the injection mold movable plate mechanism further comprises a moving plate between the movable fixed plate and the high-pressure air flow auxiliary demolding mechanism, the right side wall of the moving plate is fixedly connected with a top rod at four corners, the side wall of the movable auxiliary forming frame is provided with an ejection hole at four corners, the right end of the top rod penetrates the movable plate and extends into the ejection hole, the right end of the movable fixed plate is fixedly connected with a positioning rod, the right side wall of the movable fixed plate is fixedly connected with a guide slide rod at four corners, the right end of the guide slide rod is slidably connected with a guide cylinder, the right end of the guide cylinder is fixedly connected with the left side wall of the movable plate, a supporting spring is arranged on the guide slide rod, and the left and right ends of the supporting spring are fixedly connected with the right side wall of the movable fixed plate and the left side wall of the movable plate respectively.

[0009] Preferably, the injection mold fixed plate mechanism further comprises two auxiliary plates one fixed on the front and back of the fixed mold fixed plate, two auxiliary plates two fixed on the front and back of the movable mold frame, and a sliding rod fixed on the right end of the auxiliary plate two, the outer side wall of the sliding rod is provided with an outer connecting thread at the right end, the right end of the sliding rod penetrates the auxiliary plate one and is threadedly connected with an adjusting plate, the sliding rod is sleeved with an abutting spring and a connecting ring, the right end of the connecting ring is in abutment with the left end of the adjusting plate, the left and right ends of the abutting spring are fixedly connected with the adjacent side walls of the auxiliary plate one and the connecting ring respectively, and the outer side wall of the sliding rod is fixedly connected with a limiting ring, and the limiting ring is located on the right side of the auxiliary plate one. The injection mold outer box is provided with an injection mold feeding mechanism on the right side, and the injection mold outer box is provided with a bottom support box at the lower end.

[0010] Preferably, the center of the fixed mold fixed plate is provided with an injection mold hole, the center of the left side wall of the fixed mold fixed frame is provided with a butt joint hole, the output end of the injection mold feeding mechanism penetrates the butt joint hole and is in communication with the injection mold hole, and the front end of the injection mold outer box is provided with a control panel.

[0011] Preferably, the inner side wall of the injection molding outer box is fixedly connected with a partition plate, the left inner wall of the injection molding outer box is fixedly connected with a mold closing hydraulic cylinder, the output end of the mold closing hydraulic cylinder penetrates through the partition plate and is fixedly connected with a mold fixing plate, the right side end of the partition plate is fixedly connected with a limiting sliding rod at four corners, the right side end of the limiting sliding rod penetrates through the mold fixing plate and is fixedly connected with the right inner wall of the injection molding outer box, and the movable mold fixing plate is fixed at the right side end of the mold fixing plate.

[0012] Preferably, the movable mold fixing plate is provided with an ejection through hole, the right side end of the partition plate is fixedly connected with an ejection auxiliary rod, and the right side end of the ejection auxiliary rod penetrates through the mold fixing plate and extends to the inside of the ejection through hole.

[0013] Preferably, the inner sides of the movable mold auxiliary forming frame, the fixed mold fixing frame and the fixed mold movable frame are provided with water cooling channels.

[0014] Preferably, the upper end of the bottom support box is provided with a material guide groove, the front side end of the bottom support box is fixedly connected with a finished product frame, the finished product frame and the material guide groove are communicated, and the rear side end of the lower side wall of the material guide groove is upwardly inclined.

[0015] Compared with the related art, the rubber part injection molding machine facilitating material taking has the following beneficial effects: 1. The rubber part injection molding machine facilitating material taking is provided, the mechanical ejection mechanism is formed by the ejector rod, the moving plate and the ejection auxiliary rod, the abutting block is arranged in the matching groove of the right side wall of the movable mold auxiliary forming frame, the exhaust holes on the axial side wall of the abutting block are communicated with the output end of the high-pressure gas pump through the connecting pipe, the air guide pipe, the air pipe and the connecting air pipe, after the mold closing hydraulic cylinder is reset, the ejection auxiliary rod is used to push the moving plate and the ejector rod to perform product ejection demolding operation, the abutting block moves to the right during the ejection process, the high-pressure gas pump is used to perform air blowing operation on the rubber part product forming, and the rapid demolding of the injection molding part is realized.

[0016] 2. The rubber part injection molding machine facilitating material taking is provided, the fixed mold fixing frame and the fixed mold movable frame are arranged in the injection mold fixing mechanism, the split structure design is adopted for the mold outer frame, the mold outer frame is separated in stages during demolding, the contact area of each outer mold frame with the injection molding part is smaller, compared with the traditional whole mold outer frame, the demolding resistance of each split structure in the device is smaller, thereby effectively avoiding the adhesion between the injection molding part and the injection mold fixing mechanism when the mold is separated, and the demolding is more convenient.

[0017] 3. This invention provides a rubber injection molding machine that facilitates material handling. The device is equipped with water-cooling channels inside the moving mold auxiliary molding frame, the fixed mold fixing frame, and the fixed mold moving frame. The circulating cooling water can accelerate the cooling and shaping of the rubber parts, shorten the molding cycle, and reduce deformation problems caused by uneven cooling. The guide groove of the bottom support box is connected to the finished product frame. After demolding, the rubber parts can automatically slide down to the finished product frame through the inclined guide groove, realizing automated collection after material handling, reducing manual intervention, and improving production continuity. Attached Figure Description

[0018] Figure 1 This is a three-dimensional structural diagram of the present invention; Figure 2 This is a three-dimensional structural diagram of the injection-molded outer casing of the present invention; Figure 3 This is a three-dimensional cross-sectional structural diagram of the injection-molded outer casing of the present invention; Figure 4 This is a schematic diagram of the planar structure of the mold fixing plate of the present invention; Figure 5 This is a three-dimensional structural diagram of the injection molding moving mold mechanism of the present invention; Figure 6 This is a three-dimensional cross-sectional structural diagram of the injection molding moving mold mechanism of the present invention; Figure 7 For the present invention Figure 6 Enlarged view of a portion of point A in the middle; Figure 8 This is a schematic cross-sectional view of the high-pressure airflow-assisted demolding mechanism of the present invention; Figure 9 This is a partial structural diagram of the high-pressure airflow-assisted demolding mechanism of the present invention; Figure 10 This is a three-dimensional structural diagram of the injection molding fixed mold mechanism of the present invention; Figure 11 This is a three-dimensional cross-sectional view of the injection molding fixed mold mechanism of the present invention; Figure 12 For the present invention Figure 11 Enlarged view of a section at point B in the middle; Figure 13 This is a cross-sectional schematic diagram of the fixed mold frame and the movable mold frame of the present invention.

[0019] In the figure: 1, bottom support box; 2, injection molding outer box; 3, injection molding feeding mechanism; 4, material guide groove; 5, finished product frame; 6, high-pressure gas pump; 7, injection molding movable mold mechanism; 701, movable mold fixed plate; 702, movable mold movable plate; 703, movable mold auxiliary forming frame; 704, guide slide rod; 705, guide cylinder; 706, supporting spring; 707, positioning rod; 708, moving plate; 709, ejector rod; 710, ejection hole; 711, ejection through hole; 8, injection molding fixed mold mechanism; 801, fixed mold fixed frame; 802, fixed mold fixed plate; 803, fixed mold fixed frame; 804, auxiliary plate one; 805, fixed mold movable frame; 806, auxiliary plate two; 807, injection molding hole; 808, butt joint hole; 809, sliding rod; 810, outer connecting thread; 811, adjusting plate; 812, connecting ring; 813, abutting spring; 814, limiting ring; 9, control panel; 10, partition plate; 11, mold closing hydraulic cylinder; 12, limiting slide rod; 13, mold fixed plate; 14, ejection auxiliary rod; 15, high-pressure gas flow auxiliary demolding mechanism; 1501, contact outer frame; 1502, telescopic outer cylinder; 1503, air guide pipe; 1504, connecting pipe; 1505, abutting block; 1506, exhaust hole; 1507, sealing spring; 1508, limiting block; 1509, air pipe; 1510, connecting air pipe; 1511, auxiliary spring; 1512, sliding plate; 1513, matching groove; 1514, abutting ring; 16, water cooling channel. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0021] Embodiment one: Please refer to Figures 1-6 The present application provides a technical solution: a rubber part injection molding machine facilitating material taking, comprising, The injection molding outer box 2 is provided with a high-pressure gas pump 6 on the outer side; The injection molding movable mold mechanism 7 is located on the inner side of the injection molding outer box 2, and the injection molding movable mold mechanism 7 comprises a movable mold fixed plate 701, a movable mold movable plate 702 located on the right side of the movable mold fixed plate 701, a movable mold auxiliary forming frame 703 fixed on the right side of the movable mold movable plate 702, and a high-pressure gas flow auxiliary demolding mechanism 15 located on the right side of the movable mold fixed plate 701; The injection mold movable die mechanism 7 further comprises a moving plate 708 between the movable die fixed plate 701 and the high-pressure airflow auxiliary demolding mechanism 15, the right side wall of the moving plate 708 is fixedly connected with a top rod 709 at four corners, the side wall of the movable die auxiliary forming frame 703 is provided with an ejection hole 710 at four corners, the right side end of the top rod 709 penetrates through the movable die movable plate 702 and extends into the ejection hole 710, the right side end of the movable die fixed plate 701 is fixedly connected with a positioning rod 707, the right side wall of the movable die fixed plate 701 is fixedly connected with a guide sliding rod 704 at four corners, the right side end of the guide sliding rod 704 is slidingly connected with a guide cylinder 705, the right side end of the guide cylinder 705 is fixedly connected with the left side wall of the movable die movable plate 702, the guide sliding rod 704 is sleeved with a supporting spring 706, the left and right ends of the supporting spring 706 are fixedly connected with the right side wall of the movable die fixed plate 701 and the left side wall of the movable die movable plate 702 respectively, the movable die fixed plate 701 is provided with an ejection through hole 711, the right side end of the partition plate 10 is fixedly connected with an ejection auxiliary rod 14, the right side end of the ejection auxiliary rod 14 penetrates through the mold fixed plate 13 and extends to the inside of the ejection through hole 711; in use, the mold fixed plate 13 is pushed to move to the right side by the clamping hydraulic cylinder 11, so as to drive the injection mold movable die mechanism 7 to move close to the injection mold fixed die mechanism 8, the movable die auxiliary forming frame 703 extends to the inside of the fixed die movable frame 805, after the right side end of the movable die movable plate 702 abuts against the left side end of the fixed die movable frame 805, the fixed die movable frame 805 moves to the right side with the pushing of the clamping hydraulic cylinder 11, the abutting spring 813 is stretched, after the right side end of the fixed die movable frame 805 contacts with the left side end of the fixed die fixed frame 803, the movable die fixed plate 701 continues to move to the right side, the supporting spring 706 is compressed, after the right side end of the positioning rod 707 abuts against the left side end of the movable die movable plate 702, the left side end of the moving plate 708 abuts against the left side end of the movable die fixed plate 701, the right side end of the moving plate 708 abuts against the left side end of the contact outer frame 1501, at this time, the right side end face of the top rod 709, the right side end face of the abutting block 1505 and the right side end of the movable die auxiliary forming frame 703 are located in the same plane, at this time, the injection mold clamping operation is completed; The injection mold movable die mechanism 7 further comprises a moving plate 708 between the movable die fixed plate 701 and the high-pressure airflow auxiliary demolding mechanism 15, the right side wall of the moving plate 708 is fixedly connected with a top rod 709 at four corners, the side wall of the movable die auxiliary forming frame 703 is provided with an ejection hole 710 at four corners, the right side end of the top rod 709 penetrates through the movable die movable plate 702 and extends into the ejection hole 710, the right side end of the movable die fixed plate 701 is fixedly connected with a positioning rod 707, the right side wall of the movable die fixed plate 701 is fixedly connected with a guide sliding rod 704 at four corners, the right side end of the guide sliding rod 704 is slidingly connected with a guide cylinder 705, the right side end of the guide cylinder 705 is fixedly connected with the left side wall of the movable die movable plate 702, the guide sliding rod 704 is sleeved with a supporting spring 706, the left and right ends of the supporting spring 706 are fixedly connected with the right side wall of the movable die fixed plate 701 and the left side wall of the movable die movable plate 702 respectively, the movable die fixed plate 701 is provided with an ejection through hole 711, the right side end of the partition plate 10 is fixedly connected with an ejection auxiliary rod 14, the right side end of the ejection auxiliary rod 14 penetrates through the mold fixed plate 13 and extends to the inside of the ejection through hole 711; in use, the mold fixed plate 13 is pushed to move to the right side by the clamping hydraulic cylinder 11, so as to drive the injection mold movable die mechanism 7 to move close to the injection mold fixed die mechanism 8, the movable die auxiliary forming frame 703 extends to the inside of the fixed die movable frame 805, after the right side end of the movable die movable plate 702 abuts against the left side end of the fixed die movable frame 805, the fixed die movable frame 805 moves to the right side with the pushing of the clamping hydraulic cylinder 11, the abutting spring 813 is stretched, after the right side end of the fixed die movable frame 805 contacts with the left side end of the fixed die fixed frame 803, the movable die fixed plate 701 continues to move to the right side, the supporting spring 706 is compressed, after the right side end of the positioning rod 707 abuts against the left side end of the movable die movable plate 702, the left side end of the moving plate 708 abuts against the left side end of the movable die fixed plate 701, the right side end of the moving plate 708 abuts against the left side end of the contact outer frame 1501, at this time, the right side end face of the top rod 709, the right side end face of the abutting block 1505 and the right side end of the movable die auxiliary forming frame 703 are located in the same plane, at this time, the injection mold clamping operation is completed; The bottom support box 1 is provided with a material guide groove 4 at the upper end, and a finished product frame 5 is fixedly connected to the front end of the bottom support box 1, the finished product frame 5 and the material guide groove 4 are communicated, and the rear end of the lower side wall of the material guide groove 4 is provided in an upward inclined manner. After the demolding of the injection molded part is completed by the cooperation of the ejector rod 709 and the high-pressure airflow assisted demolding mechanism 15, the product enters the finished product frame 5 through the material guide groove 4, and the device does not need the staff to manually demold in the injection molding outer box 2, and the operation is safer.

[0022] Embodiment two: Please refer to Figures 7-9 The high-pressure airflow assisted demolding mechanism 15 comprises a circular truncated cone-shaped cooperation groove 1513 opened on the right side wall of the movable mold auxiliary forming frame 703, an abutting block 1505 matched with the cooperation groove 1513, a connecting pipe 1504 fixed to the left end of the abutting block 1505, and a plurality of exhaust holes 1506 opened on the axial side wall of the abutting block 1505 and communicated with the connecting pipe 1504. The high-pressure airflow assisted demolding mechanism 15 further comprises a gas guide pipe 1503 fixed to the left end of the connecting pipe 1504, a telescopic outer cylinder 1502 located to the left of the gas guide pipe 1503, a contact outer frame 1501 fixed to the left end of the telescopic outer cylinder 1502, a gas pipe 1509 fixed to the inner side of the contact outer frame 1501, and a connecting gas pipe 1510 penetrating the side wall of the contact outer frame 1501 and communicated with the gas pipe 1509. The connecting gas pipe 1510 is communicated with the output end of the high-pressure gas pump 6, the left end of the gas guide pipe 1503 penetrates the movable mold movable plate 702 and the right side wall of the telescopic outer cylinder 1502 in sequence and is fixedly connected with a sliding plate 1512, the right end of the gas pipe 1509 penetrates the left side wall of the telescopic outer cylinder 1502 and the sliding plate 1512 in sequence and extends into the gas guide pipe 1503, an auxiliary spring 1511 is sleeved on the gas pipe 1509, and the left and right ends of the auxiliary spring 1511 are fixedly connected with the left inner wall of the telescopic outer cylinder 1502 and the left end of the sliding plate 1512 respectively. After the ejector rod 709 and the movable plate 708 are pushed to move to the right side by the ejector rod 14 and the high-pressure airflow assisted demolding mechanism 15 is pushed to move to the right side, the abutting block 1505 at the right side of the high-pressure airflow assisted demolding mechanism 15 is pushed to move to the right side, when the axial side wall of the abutting block 1505 is separated from the inner side wall of the cooperation groove 1513, inflation operation is performed between the injection molded part and the movable mold auxiliary forming frame 703 under the action of the high-pressure gas pump 6, so as to accelerate the separation of the injection molded part and the mold; A abutting ring 1514 is fixedly connected to the outer side wall of the connecting pipe 1504, the left end of the abutting ring 1514 abuts against the left side wall of the movable mold movable plate 702, a sealing spring 1507 is sleeved on the connecting pipe 1504, the left and right ends of the sealing spring 1507 are fixedly connected with the right side wall of the abutting ring 1514 and the right inner wall of the movable mold auxiliary forming frame 703 respectively, and the right end of the abutting ring 1514 is fixedly connected with a limiting block 1508.

[0023] Embodiment three: Please refer to Figures 10-13 On the basis of embodiment one, the application provides a technical solution: injection mold fixed mold mechanism 8 is located inside the injection outer box 2, injection mold fixed mold mechanism 8 includes fixed mold fixed frame 801 fixed on the right side inner wall of injection outer box 2, fixed mold fixed plate 802 fixed on the left side wall of fixed mold fixed frame 801, fixed mold fixed frame 803 fixed on the left side end of fixed mold fixed plate 802, fixed mold movable frame 805 located on the left side of fixed mold fixed frame 803; Injection mold fixed mold mechanism 8 also includes two auxiliary plates one 804 fixed on the front and back of fixed mold fixed plate 802, two auxiliary plates two 806 fixed on the front and back of fixed mold movable frame 805, sliding rod 809 fixed on the right side end of auxiliary plate two 806, outer connecting thread 810 is arranged on the right side end of the outer side wall of sliding rod 809, the right side end of sliding rod 809 penetrates auxiliary plate one 804 and is threadedly connected with adjusting plate 811, abutting spring 813 and connecting ring 812 are sleeved on sliding rod 809, the right side end of connecting ring 812 abuts against the left side end of adjusting plate 811, the left and right ends of abutting spring 813 are fixedly connected with the adjacent side walls of auxiliary plate one 804 and connecting ring 812 respectively, limiting ring 814 is fixedly connected on the outer side wall of sliding rod 809, limiting ring 814 is located on the right side of auxiliary plate one 804, when the mold is not closed, the left side end of limiting ring 814 abuts against the right side end of auxiliary plate one 804, abutting spring 813 is always in a stretched state, when the injection is completed and the injection movable mold mechanism 7 and the injection fixed mold mechanism 8 are separated, the fixed mold fixed frame 803 is separated from the injection part first, when the left side end of limiting ring 814 contacts the right side end of auxiliary plate one 804, the fixed mold movable frame 805 is separated from the injection part, the mold outer frame in the injection fixed mold mechanism 8 in the device adopts a split structure design, when demolding, the mold outer frame adopts a step-by-step separation form for demolding, the contact area of each outer mold frame with the injection part is smaller, compared with the traditional whole mold outer frame, the demolding resistance of each split structure in the device is smaller, which is more convenient for the separation between the injection part and the injection fixed mold mechanism 8; The center position of fixed mold fixed plate 802 is provided with injection hole 807, the center position of the left side wall of fixed mold fixed frame 801 is provided with butt joint hole 808, the output end of injection feeding mechanism 3 penetrates butt joint hole 808 and communicates with injection hole 807, the front side end of injection outer box 2 is provided with control panel 9, when injection, the cooperation between injection movable mold mechanism 7 and injection fixed mold mechanism 8 is completed by using mold closing hydraulic cylinder 11, the raw materials are injected into injection hole 807 by using injection feeding mechanism 3, and the product is shaped in the cavity formed between movable mold auxiliary forming frame 703, fixed mold movable frame 805 and fixed mold fixed frame 803, after the injection is completed, the injection of raw materials is stopped; The inner side of the movable mold auxiliary forming frame 703, the fixed mold fixed frame 803 and the fixed mold movable frame 805 is provided with a water cooling channel 16, and the bottom support box 1 is provided with a water cooling mechanism, and the output end and the input end of the water cooling mechanism are communicated with the input end and the output end of the water cooling channel 16 respectively.

[0024] Working principle: in use, the mold fixed plate 13 is pushed to move to the right side by the clamping hydraulic cylinder 11, and then the injection mold movable mold mechanism 7 is driven to move close to the injection mold fixed mold mechanism 8, the movable mold auxiliary forming frame 703 extends to the inside of the fixed mold movable frame 805, when the right side end of the movable mold movable plate 702 abuts against the left side end of the fixed mold movable frame 805, the fixed mold movable frame 805 moves to the right side with the pushing of the clamping hydraulic cylinder 11, and the abutting spring 813 is stretched, when the right side end of the fixed mold movable frame 805 abuts against the left side end of the fixed mold fixed frame 803, the movable mold fixed plate 701 continues to move to the right side, the support spring 706 is compressed, when the right side end of the positioning rod 707 abuts against the left side end of the movable mold movable plate 702, the left side end of the moving plate 708 abuts against the left side end of the movable mold fixed plate 701, and the right side end of the moving plate 708 abuts against the left side end of the contact outer frame 1501, at this time, the right side end face of the top rod 709, the right side end face of the abutting block 1505 and the right side end of the movable mold auxiliary forming frame 703 are located in the same plane, at this time, the injection mold clamping operation is completed; When injection molding, the injection supply mechanism 3 injects raw materials into the injection hole 807 through the injection end, and the products are shaped in the cavity formed between the movable mold auxiliary forming frame 703, the fixed mold movable frame 805 and the fixed mold fixed frame 803, and after the injection is completed, the raw material injection is stopped; the water cooling mechanism is used to continuously introduce cold water into the water cooling channel 16 to cool the injection molded part; then the clamping hydraulic cylinder 11 drives the mold fixed plate 13 and the injection mold movable mold mechanism 7 to move to the left side, in the moving process, the outer side end of the injection molded part is first separated from the fixed mold fixed frame 803, when the injection mold movable mold mechanism 7 continues to move to the left side, the left side end of the limiting ring 814 abuts against the right side end of the auxiliary plate one 804, the injection molded part is separated from the fixed mold movable frame 805, the mold outer frame in the injection mold fixed mold mechanism 8 adopts a split structure design, and the mold outer frame adopts a step-by-step separation form for demolding, the contact area of each outer mold frame with the injection molded part is smaller, compared with the traditional whole mold outer frame, the demolding resistance of each split structure in the device is smaller, and the separation between the injection molded part and the injection mold fixed mold mechanism 8 is more convenient; When the injection mold moving mechanism 7 continues to move to the left under the action of the clamping hydraulic cylinder 11, the ejection auxiliary rod 14 right end penetrates through the ejection through hole 711 to exert a rightward force on the moving plate 708, the ejector rod 709 moves to the right to demold the injection molded part, with the movement of the ejector rod 709 and the moving plate 708, the moving plate 708 abuts against the left end of the contact outer frame 1501 in the high-pressure airflow auxiliary demolding mechanism 15, with the movement of the moving plate 708 to the right, the abutting block 1505 is pushed to move to the right under the action of the auxiliary spring 1511, the sliding plate 1512, the telescopic outer cylinder 1502, the air guide pipe 1503 and the connecting pipe 1504, when the abutting block 1505 axial side wall separates from the inner side wall of the matching groove 1513, the inflation operation between the injection molded part and the movable mold auxiliary forming frame 703 is carried out under the action of the high-pressure air pump 6, so as to accelerate the separation of the injection molded part and the mold; with the continuous movement of the ejector rod 709 and the moving plate 708 to the right, when the limiting block 1508 right end contacts the right inner wall of the movable mold auxiliary forming frame 703, the auxiliary spring 1511 is compressed, the telescopic outer cylinder 1502 approaches the movable mold movable plate 702, when the right end of the telescopic outer cylinder 1502 contacts the left end of the movable mold movable plate 702, the ejector rod 709 completely ejects the injection molded part, the injection molded part moves to the right of the movable mold auxiliary forming frame 703, then falls in the guide chute 4 and slides along the guide chute 4 to the finished product frame 5.

[0025] Although the embodiments of the present application have been shown and described, it is to be understood that various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the present application, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A rubber injection molding machine that facilitates material handling, characterized in that: include, The injection molded outer casing (2) is provided with a high-pressure air pump (6) on the outside of the injection molded outer casing (2); The injection molding fixed mold mechanism (8) is located inside the injection molding outer box (2). The injection molding fixed mold mechanism (8) includes a fixed mold fixing frame (801) fixed on the right inner wall of the injection molding outer box (2), a fixed mold fixing plate (802) fixed on the left side wall of the fixed mold fixing frame (801), a fixed mold fixing frame (803) fixed on the left side of the fixed mold fixing plate (802), and a fixed mold movable frame (805) located on the left side of the fixed mold fixing frame (803). The injection molding moving mold mechanism (7) is located inside the injection molding outer box (2). The injection molding moving mold mechanism (7) includes a moving mold fixing plate (701), a moving mold movable plate (702) located on the right side of the moving mold fixing plate (701), a moving mold auxiliary forming frame (703) fixed on the right side of the moving mold movable plate (702), and a high-pressure airflow assisted demolding mechanism (15) located on the right side of the moving mold fixing plate (701). The high-pressure airflow assisted demolding mechanism (15) includes a frustum-shaped mating groove (1513) opened on the right side wall of the moving mold auxiliary forming frame (703), an abutment block (1505) that mates with the mating groove (1513), a connecting pipe (1504) fixed on the left side of the abutment block (1505), and a number of exhaust holes (1506) opened on the axial side wall of the abutment block (1505) and connected to the connecting pipe (1504).

2. The rubber injection molding machine for easy material handling according to claim 1, characterized in that: The high-pressure airflow assisted demolding mechanism (15) further includes an air guide pipe (1503) fixed to the left end of the connecting pipe (1504), a telescopic outer cylinder (1502) located to the left of the air guide pipe (1503), a contact outer frame (1501) fixed to the left end of the telescopic outer cylinder (1502), a vent pipe (1509) fixed to the inside of the contact outer frame (1501), and a connecting air pipe (1510) that penetrates the side wall of the contact outer frame (1501) and communicates with the vent pipe (1509). The connecting air pipe (1510) is connected to the output end of the high-pressure air pump (6). The left end of the air guide pipe (1503) passes through the moving mold movable plate (702) and the right side wall of the telescopic outer cylinder (1502) in sequence and is fixedly connected to the sliding plate (1512). The right end of the air pipe (1509) passes through the left side wall of the telescopic outer cylinder (1502) and the sliding plate (1512) in sequence and extends into the air guide pipe (1503). An auxiliary spring (1511) is sleeved on the air pipe (1509). The left and right ends of the auxiliary spring (1511) are fixedly connected to the left inner wall of the telescopic outer cylinder (1502) and the left end of the sliding plate (1512) respectively.

3. The rubber injection molding machine for easy material handling according to claim 2, characterized in that: An abutment ring (1514) is fixedly connected to the outer wall of the connecting pipe (1504). The left end of the abutment ring (1514) abuts against the left side wall of the moving mold movable plate (702). A sealing spring (1507) is sleeved on the connecting pipe (1504). The left and right ends of the sealing spring (1507) are fixedly connected to the right side wall of the abutment ring (1514) and the right inner wall of the moving mold auxiliary forming frame (703), respectively. A limit block (1508) is fixedly connected to the right end of the abutment ring (1514).

4. The rubber injection molding machine for easy material handling according to claim 1, characterized in that: The injection molding moving mold mechanism (7) also includes a movable plate (708) located between the moving mold fixing plate (701) and the high-pressure airflow assisted demolding mechanism (15). Ejector rods (709) are fixedly connected to the four corners of the right side wall of the movable plate (708). Ejection holes (710) are provided at the four corners of the side wall of the moving mold auxiliary forming frame (703). The right end of the ejector rod (709) passes through the moving mold movable plate (702) and extends into the ejection hole (710). A positioning rod is fixedly connected to the right end of the moving mold fixing plate (701). 707), guide slide rods (704) are fixedly connected to the four corners of the right side wall of the moving mold fixing plate (701). A guide cylinder (705) is slidably connected to the right end of the guide slide rod (704). The right end of the guide cylinder (705) is fixedly connected to the left side wall of the moving mold movable plate (702). A support spring (706) is sleeved on the guide slide rod (704). The left and right ends of the support spring (706) are fixedly connected to the right side wall of the moving mold fixing plate (701) and the left side wall of the moving mold movable plate (702), respectively.

5. The rubber injection molding machine for easy material handling according to claim 1, characterized in that: The injection molding fixed mold mechanism (8) further includes two auxiliary plates (804) fixed on the front and rear sides of the fixed mold fixing plate (802), two auxiliary plates (806) fixed on the front and rear sides of the fixed mold movable frame (805), and a sliding rod (809) fixed on the right side of the auxiliary plate (806). The right side of the outer wall of the sliding rod (809) is provided with an external connecting thread (810). The right side of the sliding rod (809) passes through the auxiliary plate (804) and is threadedly connected to an adjusting plate. (811) The sliding rod (809) is fitted with an abutment spring (813) and a connecting ring (812). The right end of the connecting ring (812) abuts against the left end of the adjusting plate (811). The left and right ends of the abutment spring (813) are fixedly connected to the adjacent side walls of the auxiliary plate (804) and the connecting ring (812) respectively. A limit ring (814) is fixedly connected to the outer side wall of the sliding rod (809). The limit ring (814) is located on the right side of the auxiliary plate (804). The injection molding outer box (2) is provided with an injection molding feeding mechanism (3) on the right side, and a bottom support box (1) is provided at the lower end of the injection molding outer box (2). The injection molding feeding mechanism (3) is fixed above the bottom support box (1).

6. The rubber injection molding machine for easy material handling according to claim 5, characterized in that: The fixed mold fixing plate (802) has an injection hole (807) at its center, and the fixed mold fixing frame (801) has a docking hole (808) at its center on the left side wall. The output end of the injection feeding mechanism (3) passes through the docking hole (808) and communicates with the injection hole (807). The front end of the injection outer box (2) has a control panel (9).

7. The rubber injection molding machine for easy material handling according to claim 1, characterized in that: The inner wall of the injection molding outer box (2) is fixedly connected to a partition plate (10), and the left inner wall of the injection molding outer box (2) is fixedly connected to a mold closing hydraulic cylinder (11). The output end of the mold closing hydraulic cylinder (11) passes through the partition plate (10) and is fixedly connected to a mold fixing plate (13). The four corners of the right side of the partition plate (10) are fixedly connected to limit slide rods (12). The right side of the limit slide rods (12) passes through the mold fixing plate (13) and is fixedly connected to the right inner wall of the injection molding outer box (2). The moving mold fixing plate (701) is fixed to the right side of the mold fixing plate (13).

8. The rubber injection molding machine for easy material handling according to claim 7, characterized in that: The moving mold fixing plate (701) has an ejection through hole (711), and the right side of the partition plate (10) is fixedly connected to an ejection auxiliary rod (14). The right side of the ejection auxiliary rod (14) passes through the mold fixing plate (13) and extends to the inside of the ejection through hole (711).

9. A rubber injection molding machine for easy material handling according to claim 1, characterized in that: Water cooling channels (16) are provided on the inner sides of the moving mold auxiliary forming frame (703), the fixed mold fixing frame (803), and the fixed mold moving frame (805).

10. A rubber injection molding machine for easy material handling according to claim 5, characterized in that: The bottom support box (1) is provided with a guide groove (4) at the upper end. The bottom support box (1) is fixedly connected with a finished product frame (5). The finished product frame (5) and the guide groove (4) are connected. The rear end of the lower side wall of the guide groove (4) is inclined upward.