Plastic part injection molding device

Abstract

The utility model discloses a plastic part injection molding device, and relates to the technical field of injection molding processing. The guide device for the plastic part injection mold comprises a mounting plate and an upper mold arranged above the mounting plate, a fixing plate is fixedly mounted at the top of the mounting plate, and an ejector rod is arranged on the other side of the fixing plate; the auxiliary mechanism comprises an injection molding mechanism and an ejection mechanism, the ejection mechanism comprises a second rotating rod, a second circular plate and a second rotating short rod, one end of the fixing plate extends to the bottom of the mounting plate, the second rotating rod is rotationally mounted on one side of the fixing plate, and the injection molding mechanism comprises a double-shaft motor, a first rotating rod, a first circular plate, a first rotating short rod, a first connecting rod and a rectangular plate. Through the injection molding mechanism and the ejection mechanism, after injection molding is completed, the ejection mechanism can eject an injection molding part out, the situation that an operator is scalded when taking the injection molding part is reduced, meanwhile, the situation that the quality of the injection molding part is affected due to the fact that the mode of taking the injection molding part by the operator is incorrect is reduced, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molding, in particular to a plastic part injection molding device. Background Art

[0002] The announcement number CN221161299U discloses an injection molding device for an injection molding machine for processing plastic parts, comprising a feed hopper, a feed pipe provided on the bottom surface of the feed hopper, a connecting cylinder provided on the bottom surface of the feed pipe, the connecting cylinder being connected to the feed pipe, a first movable cavity provided inside the connecting cylinder, and a quantitative assembly provided inside the connecting cylinder. This solution enables the material in the feed pipe to be discharged in an orderly manner without causing blockage of the feed pipe. Moreover, through the cooperation of a scale, when the injection molding material is delivered to the required capacity, the rotating rod is first rotated clockwise, and the rotation of the rotating rod drives the rotating drum to rotate, so that the through hole on the rotating drum is aligned with the pipe mouth of the connecting pipe, and then the hydraulic cylinder is started. The output end of the hydraulic cylinder drives the fixed plug to move inside the second movable cavity until the fixed plug fits into the limit groove, thereby being able to fix the fixed plug to the rotating drum, thereby blocking the material delivery and ensuring the stability of the material discharge amount.

[0003] The above-mentioned plastic part injection molding device requires the operator to manually pick up the molded parts after the work is completed. The high-temperature injection molded parts may endanger the safety of the operator and improper picking methods may also affect the quality of the injection molded parts, prolong the time required for injection molding, and reduce work efficiency. Utility Model Content

[0004] The purpose of the present utility model is to provide a plastic part injection molding device that can solve the above-mentioned problems.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a plastic part injection molding device, comprising:

[0006] The mounting plate is provided with an upper mold above the mounting plate, a fixing plate is fixedly installed on the top of the mounting plate, and a push rod is provided on the other side of the fixing plate;

[0007] The auxiliary mechanism includes an injection molding mechanism and an ejection mechanism. The ejection mechanism includes two rotating rods, two circular plates and two rotating short rods. One end of the fixed plate extends to the bottom of the mounting plate. The rotating rod two is rotatably installed on one side of the fixed plate. The circular plate two is fixedly installed on one end of the rotating rod two. The outer wall of the circular plate two is fixedly installed with the two rotating short rods.

[0008] Preferably, the injection molding mechanism includes a dual-axis motor, a rotating rod, a circular plate, a rotating short rod, a connecting rod and a rectangular plate. The dual-axis motor is fixedly installed on one side of the fixed plate, and the output shaft on the other side of the dual-axis motor extends to the other side of the fixed plate and is fixedly installed on the rotating rod. The outer wall of the rotating rod is fixedly installed with a circular plate, and the other side of the circular plate is fixedly installed with a rotating short rod. The outer wall of the rotating short rod is movably sleeved with a connecting rod, and one end of the connecting rod is hingedly installed with a rectangular plate.

[0009] Preferably, the other end of the rotating rod 2 extends to one side of the fixed plate and is fixedly installed with a set of pulleys, and another set of pulleys is fixedly installed on one side of the output shaft of the dual-axis motor. A belt is provided between the two sets of pulleys and is connected through a belt drive, and the bottom of the rectangular plate is fixedly connected to the upper mold.

[0010] Preferably, a lower mold box is fixedly installed on the top of the mounting plate, a material storage box is fixedly installed on the top of the fixed plate, a material feed pipe is fixedly installed on the top of the material storage box, a suction pump is fixedly installed on the top of the fixed plate, the input end of the suction pump extends to the interior of the material storage box, and a hose is fixedly installed on the output end of the suction pump, and one end of the hose extends to the interior of the lower mold box.

[0011] Preferably, a group of connecting blocks are fixedly installed on the front and rear sides of the rectangular plate and the lower mold box, and sliding rods are fixedly installed on the tops of the two groups of connecting blocks located below, and the sliding rods and the group of connecting blocks located above are slidably installed.

[0012] Preferably, the outer wall of the second rotating short rod and the ejector rod are movably sleeved, the bottom of the lower mold box is provided with a socket for the ejector rod to pass through, and one end of the ejector rod extends to the inner bottom of the lower mold box through the socket.

[0013] Preferably, four groups of supports are fixedly mounted on the bottom of the mounting plate.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] The guide device for the plastic part injection mold is used. After the injection molding is completed, the ejection mechanism can eject the injection molded part, thereby reducing the possibility of burns to the operator when taking the injection molded part. At the same time, it also reduces the possibility that the operator takes the injection molded part in an incorrect way and affects the quality of the injection molded part, thereby improving work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The present invention will be further described below with reference to the accompanying drawings and embodiments:

[0017] Figure 1 It is a cutaway perspective view of the present utility model;

[0018] Figure 2 This is a rear perspective view of the present invention;

[0019] Figure 3 It is a main perspective view of the present utility model.

[0020] Figure numerals: 1. Mounting plate; 2. Fixing plate; 3. Material storage box; 4. Lower mold box; 5. Injection molding mechanism; 501. Dual-axis motor; 502. Rotating rod one; 503. Round plate one; 504. Rotating short rod one; 505. Connecting rod one; 506. Rectangular plate; 6. Pulley; 7. Belt; 8. Ejection mechanism; 801. Rotating rod two; 802. Round plate two; 803. Rotating short rod two; 9. Ejector rod; 10. Suction pump; 11. Hose; 12. Connecting block; 13. Sliding rod; 14. Upper mold. DETAILED DESCRIPTION

[0021] This section will describe in detail the specific embodiments of the present invention. The preferred embodiments of the present invention are shown in the accompanying drawings. The purpose of the accompanying drawings is to supplement the description of the text part of the specification with graphics, so that people can intuitively and vividly understand each technical feature and overall technical solution of the present invention, but it cannot be understood as a limitation on the scope of protection of the present invention.

[0022] See also Figure 1-3 The utility model provides a technical solution: a plastic part injection molding device, comprising a mounting plate 1 and an auxiliary mechanism, an upper mold 14 is provided above the mounting plate 1, a fixing plate 2 is fixedly installed on the top of the mounting plate 1, and a push rod 9 is provided on the other side of the fixing plate 2;

[0023] The auxiliary mechanism includes an injection molding mechanism 5 and an ejection mechanism 8. The ejection mechanism 8 includes a rotating rod 2 801, a circular plate 2 802 and a rotating short rod 2 803. One end of the fixed plate 2 extends to the bottom of the mounting plate 1. The rotating rod 2 801 is rotatably installed on one side of the fixed plate 2. The circular plate 2 802 is fixedly installed on one end of the rotating rod 2 801. The outer wall of the circular plate 2 802 is fixedly installed with a rotating short rod 2 803. Through the injection molding mechanism 5 and the ejection mechanism 8, after the injection molding is completed, the ejection mechanism 8 can eject the injection molded part, reducing the possibility of burns to the operator when taking the injection molded part, and at the same time reducing the situation where the operator takes the injection molded part in an incorrect way and affects the quality of the injection molded part, thereby improving work efficiency.

[0024] The injection molding mechanism 5 includes a dual-axis motor 501, a rotating rod 502, a circular plate 503, a rotating short rod 504, a connecting rod 505 and a rectangular plate 506. The dual-axis motor 501 is fixedly installed on one side of the fixed plate 2, and the output shaft on the other side of the dual-axis motor 501 extends to the other side of the fixed plate 2 and is fixedly installed with the rotating rod 502. The outer wall of the rotating rod 502 is fixedly installed with a circular plate 503, and the other side of the circular plate 503 is fixedly installed with a rotating short rod 504. The outer wall of the rotating short rod 504 is movably sleeved with a connecting rod 505, and one end of the connecting rod 505 is hingedly installed with a rectangular plate 506.

[0025] The other end of the rotating rod 801 extends to one side of the fixed plate 2 and is fixedly installed with a set of pulleys 6. Another set of pulleys 6 is fixedly installed on the output shaft of one side of the dual-axis motor 501. A belt 7 is sleeved between the two sets of pulleys 6 and is connected by the belt 7. The bottom of the rectangular plate 506 is fixedly connected to the upper mold 14.

[0026] The lower mold box 4 is fixedly installed on the top of the mounting plate 1, the material storage box 3 is fixedly installed on the top of the fixed plate 2, the material feeding pipe is fixedly installed on the top of the material storage box 3, and the suction pump 10 is fixedly installed on the top of the fixed plate 2. The input end of the suction pump 10 extends to the interior of the material storage box 3, and the output end of the suction pump 10 is fixedly installed with a hose 11, and one end of the hose 11 extends to the interior of the lower mold box 4.

[0027] A set of connecting blocks 12 are fixedly installed on the front and rear sides of the rectangular plate 506 and the lower mold box 4, and a sliding rod 13 is fixedly installed on the top of the two sets of connecting blocks 12 located below, and the sliding rod 13 and the set of connecting blocks 12 located above are slidably installed.

[0028] The outer wall of the rotating short rod 803 and the push rod 9 are movably sleeved, and a socket for the push rod 9 to pass through is opened at the bottom of the lower mold box 4, and one end of the push rod 9 extends to the inner bottom of the lower mold box 4 through the socket.

[0029] Four sets of supports are fixedly mounted on the bottom of the mounting plate 1 .

[0030] Working principle: When work is needed, open the feed pipe on the top of the storage box 3, pour the melted raw material into the interior of the storage box 3, start the suction pump 10, and the output end of the suction pump 10 draws the raw material into the lower mold box 4 through the hose 11, and the output shaft on the other side of the double-axis motor 501 is started by control. The output shaft on the other side of the double-axis motor 501 rotates to drive the rotating rod 1 502 to rotate, and the rotating rod 1 502 rotates to drive the circular plate 1 503 to rotate, and the circular plate 1 503 rotates to drive the rotating short rod 1 504 to rotate. Through the guiding effect of the slide bar 13, the rotating short rod 1 504 rotates to drive the connecting rod 1 505 to move downward, and the connecting rod 1 505 moves downward to drive the rectangular plate 506 to move downward, and the rectangular plate 506 moves downward. The movement drives the upper mold 14 to move downward through the slide bar 13. The upper mold 14 moves downward until it overlaps with the lower mold box 4 for injection molding. After molding, the upper mold 14 is restored to its original position, and the output shaft on one side of the dual-axis motor 501 is controlled to start. The output shaft on one side of the dual-axis motor 501 rotates to drive a set of pulleys 6 to rotate, and the other set of pulleys 6 is driven to rotate through the action of the belt 7. The rotation of the other set of pulleys 6 drives the rotating rod 2 801 to rotate, and the rotating rod 2 801 rotates to drive the circular plate 2 802 to rotate. The rotation of the circular plate 2 802 drives the rotating short rod 2 803 to rotate. The rotating short rod 2 803 rotates to drive the ejector rod 9 to move upward. The ejector rod 9 moves upward and ejects the molded injection molded part through the jack, making it convenient for the operator to take it.

[0031] The embodiments of the present invention are described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the above embodiments. Various changes can be made within the scope of knowledge possessed by ordinary technicians in the technical field without departing from the purpose of the present invention.

Claims

1. A plastic part injection molding device, characterized in that: include: A mounting plate (1), an upper mold (14) is provided above the mounting plate (1), a fixing plate (2) is fixedly installed on the top of the mounting plate (1), and a top rod (9) is provided on the other side of the fixing plate (2); The auxiliary mechanism comprises an injection molding mechanism (5) and an ejection mechanism (8), wherein the ejection mechanism (8) comprises a second rotating rod (801), a second circular plate (802) and a second rotating short rod (803), one end of the fixed plate (2) extends to the bottom of the mounting plate (1), the second rotating rod (801) is rotatably mounted on one side of the fixed plate (2), the second circular plate (802) is fixedly mounted on one end of the second rotating rod (801), and the second rotating short rod (803) is fixedly mounted on the outer wall of the second circular plate (802).

2. A plastic part injection molding device according to claim 1, characterized in that: The injection molding mechanism (5) comprises a dual-axis motor (501), a rotating rod (502), a circular plate (503), a rotating short rod (504), a connecting rod (505) and a rectangular plate (506); the dual-axis motor (501) is fixedly mounted on one side of the fixed plate (2); the output shaft of the other side of the dual-axis motor (501) extends to the other side of the fixed plate (2) and is fixedly mounted on the rotating rod (502); the outer wall of the rotating rod (502) is fixedly mounted with a circular plate (503); the other side of the circular plate (503) is fixedly mounted with a rotating short rod (504); the outer wall of the rotating short rod (504) is movably sleeved with a connecting rod (505); one end of the connecting rod (505) is hingedly mounted with the rectangular plate (506).

3. The plastic part injection molding device according to claim 2, characterized in that: The other end of the second rotating rod (801) extends to one side of the fixed plate (2) and is fixedly installed with a group of pulleys (6). Another group of pulleys (6) is fixedly installed on one side of the output shaft of the dual-axis motor (501). A belt (7) is provided between the two groups of pulleys (6) and the two groups of pulleys (6) are connected through the belt (7). The bottom of the rectangular plate (506) is fixedly connected to the upper mold (14).

4. The plastic part injection molding device according to claim 3, characterized in that: The top of the mounting plate (1) is fixedly mounted with a lower mold box (4), the top of the fixed plate (2) is fixedly mounted with a material storage box (3), the top of the material storage box (3) is fixedly mounted with a material feed pipe, the top of the fixed plate (2) is fixedly mounted with a suction pump (10), the input end of the suction pump (10) extends to the interior of the material storage box (3), the output end of the suction pump (10) is fixedly mounted with a hose (11), one end of the hose (11) extends to the interior of the lower mold box (4).

5. The plastic part injection molding device according to claim 4, characterized in that: A set of connecting blocks (12) are fixedly installed on the front and rear sides of the rectangular plate (506) and the lower mold box (4), and a sliding rod (13) is fixedly installed on the top of the two sets of connecting blocks (12) located at the bottom, and the sliding rod (13) and the set of connecting blocks (12) located at the top are slidably installed.

6. The plastic part injection molding device according to claim 5, characterized in that: The outer wall of the second rotating short rod (803) and the push rod (9) are movably sleeved, and a socket for the push rod (9) to pass through is provided at the bottom of the lower mold box (4), and one end of the push rod (9) extends to the inner bottom of the lower mold box (4) through the socket.

7. The plastic part injection molding device according to claim 6, characterized in that: Four groups of supports are fixedly mounted on the bottom of the mounting plate (1).

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