Injection mold with cutting and pressing pouring gate

Abstract

The utility model discloses an injection mold with a cutting and pressing sprue, and particularly relates to the technical field of injection molds, the injection mold comprises a base, driving frames are fixedly mounted on two sides of the top surface of the base, cleaning plates are arranged on opposite sides of the two driving frames, a first motor is fixedly mounted on one side of the interior of each cleaning plate, and a second motor is fixedly mounted on the other side of the interior of each cleaning plate. A fixing column is movably mounted on one side of the outer surface of the cleaning plate, the output end of the first motor is fixedly connected with the fixing column, a plurality of movable rods are movably connected to the outer surface of the fixing column, and the movable rods extend into the fixing column. In actual work, the first electric push rod pushes the driving block to move, the movable rod can be pushed to move towards the outside of the fixed column along with movement of the driving block so as to push the brush plate to move, the fixed column is driven by the first motor to rotate, the unfolded brush plate is unfolded, and the brush plate can be driven by the first electric push rod to move towards the outside of the fixed column. And therefore, plastic residues remained in the cavity can be cleaned.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold with a cutting and pressing gate. Background Art

[0002] Security equipment is a device that can provide prevention or protection, and achieve or realize security goals through preventive means. Security equipment includes cameras, access control and other equipment. Injection molds are used in the production of plastic shells of these devices.

[0003] After searching, for example, the utility model with application number 201921975174.4 discloses an injection mold with a cutting and pressing gate, including: an upper mold base, an upper mold plate, a lower mold plate, a lower mold base, an upper mold core, a lower mold core, a cutting and pressing rod, a horizontal connecting rod and a lifting device. The upper mold base and the lower mold base are arranged relatively to each other. The utility model injects molten plastic into the mold cavity for injection molding. After the processed plastic product is taken out, plastic residues will remain in the mold cavity. The utility model is not convenient for cleaning the plastic residues remaining in the mold cavity. Therefore, in order to solve the above defects, the inventor proposes an injection mold with a cutting and pressing gate. Utility Model Content

[0004] The main purpose of the utility model is to provide an injection mold with a cutting and pressing gate, which can effectively solve the problem in the prior art that it is inconvenient to clean the plastic residues remaining in the cavity.

[0005] In order to achieve the above purpose, the technical solution adopted by the utility model is:

[0006] An injection mold with a cutting and pressing gate comprises a base, driving frames are fixedly installed on both sides of the top surface of the base, cleaning plates are provided on opposite sides of the two driving frames, a first motor is fixedly installed on one side of the inner part of the cleaning plate, a fixing column is movably installed on one side of the outer surface of the cleaning plate, and the output end of the first motor is fixedly connected to the fixing column, a lower template is fixedly installed on the top surface of the base, and an upper template is provided on the top surface of the lower template, two second electric push rods are fixedly installed on the top surface of the upper template, and the output ends of the two second electric push rods are fixedly installed with lifting plates, and top knives for cutting and pressing gates are fixedly installed on the bottom surfaces of the two lifting plates, and the top knives are movably connected to the upper template;

[0007] The outer surface of the fixed column is movably connected with a plurality of movable rods, and the movable rods extend into the interior of the fixed column, one end of the movable rod extending into the interior of the fixed column is fixedly installed with a connecting plate, and the end of the movable rod away from the connecting plate is fixedly installed with a brush plate, one side of the connecting plate is fixedly installed with a spring, and the spring is fixedly connected to the inner wall of the fixed column, a contact wheel is movably installed on the side of the connecting plate away from the spring, a first electric push rod is fixedly installed on one side of the outer surface of the fixed column, a driving block is fixedly installed on the output end of the first electric push rod, and the contact wheel contacts the driving block.

[0008] Preferably, a threaded rod is movably installed on one side of the interior of the driving frame, and a sliding rod is fixedly installed on the other side of the interior of the driving frame, the outer surface of the threaded rod is threadedly connected to two lifting blocks, and the two lifting blocks are movably connected to the sliding rod, one side of the two lifting blocks is movably connected to a connecting rod, and the two connecting rods are movably connected to the cleaning plate.

[0009] Preferably, the outer surface of the threaded rod is provided with two opposite threads.

[0010] Preferably, two pulleys are movably installed inside the base, and the two pulleys are fixedly connected to two threaded rods respectively, and a belt is commonly provided on the outer surfaces of the two pulleys. A second motor is fixedly installed inside the base, and the output end of the second motor is fixedly connected to one of the pulleys.

[0011] Preferably, a plurality of guide rods are fixedly mounted on the top surface of the lower template, the outer surface of the guide rods is movably connected to the upper template, and two cavities are jointly provided inside the lower template and the upper template, a flow channel is provided inside the upper template, and the flow channel is communicated with the two cavities.

[0012] Preferably, the side of the driving block in contact with the contact wheel is inclined.

[0013] Compared with the prior art, the utility model has the following beneficial effects:

[0014] The utility model discloses an injection mold with a cutting and pressing gate. By setting a cleaning plate, in actual work, a first electric push rod pushes a driving block to move. As the driving block moves, a movable rod can be pushed to move outside a fixed column, thereby pushing a brush plate to move. The first motor drives the fixed column to rotate, and the unfolded brush plate can clean the plastic residues remaining in the cavity. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0016] Figure 2 This is a schematic diagram of the cleaning plate structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the drive frame structure of the utility model;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of the base of the utility model;

[0019] Figure 5 It is a schematic diagram of the cross-sectional structure of the lower template of the utility model.

[0020] In the figure: 1, base; 2, lower template; 3, guide rod; 4, upper template; 5, drive frame; 6, cleaning plate; 601, first motor; 602, fixed column; 603, movable rod; 604, spring; 605, connecting plate; 606, contact wheel; 607, first electric push rod; 608, driving block; 609, brush plate; 501, threaded rod; 502, sliding rod; 503, connecting rod; 504, lifting block; 101, pulley; 102, belt; 103, second motor; 201, cavity; 202, runner; 203, second electric push rod; 204, lifting plate; 205, top knife. DETAILED DESCRIPTION

[0021] In order to make the technical means, creative features, objectives and effects achieved by the present invention easy to understand, the present invention is further described below in conjunction with specific implementation methods.

[0022] The utility model discloses an injection mold with a cutting and pressing gate, such as Figure 1-5 As shown, it includes a base 1, driving frames 5 are fixedly installed on both sides of the top surface of the base 1, cleaning plates 6 are provided on the opposite sides of the two driving frames 5, a first motor 601 is fixedly installed on the inner side of the cleaning plate 6, a fixing column 602 is movably installed on the outer surface side of the cleaning plate 6, and the output end of the first motor 601 is fixedly connected to the fixing column 602, and the first motor 601 can drive the fixing column 602 to rotate.

[0023] The outer surface of the fixed column 602 is movably connected with multiple movable rods 603, and the movable rods 603 extend into the interior of the fixed column 602. One end of the movable rod 603 extending into the interior of the fixed column 602 is fixedly installed with a connecting plate 605, and one end of the movable rod 603 away from the connecting plate 605 is fixedly installed with a brush plate 609, a spring 604 is fixedly installed on one side of the connecting plate 605, and the spring 604 is fixedly connected to the inner wall of the fixed column 602. When the movable rod 603 moves toward the outside of the fixed column 602, the connecting plate 605 can squeeze the spring 604.

[0024] A contact wheel 606 is movably installed on the side of the connecting plate 605 away from the spring 604, and a first electric push rod 607 is fixedly installed on one side of the outer surface of the fixed column 602. A driving block 608 is fixedly installed on the output end of the first electric push rod 607. The first electric push rod 607 can push the driving block 608 to move, and the contact wheel 606 is in contact with the driving block 608. The side where the driving block 608 contacts the contact wheel 606 is inclined. When the first electric push rod 607 pushes the driving block 608 to move, the contact wheel 606 will move along the inclined side of the driving block 608 to push the movable rod 603 to move. When the movable rod 603 moves, it can drive the brush plate 609 to move, so that multiple brush plates 609 can be unfolded or stored.

[0025] A threaded rod 501 is movably installed on one side of the interior of the driving frame 5, and a sliding rod 502 is fixedly installed on the other side of the interior of the driving frame 5. The outer surface of the threaded rod 501 is threadedly connected to two lifting blocks 504, and the two lifting blocks 504 are movably connected to the sliding rod 502. When the threaded rod 501 rotates, the two lifting blocks 504 can be moved.

[0026] One side of the two lifting blocks 504 is movably connected with a connecting rod 503, and the two connecting rods 503 are movably connected to the cleaning plate 6. When the two lifting blocks 504 are lifted and lowered in opposite directions, the two connecting rods 503 can push the cleaning plate 6 to move.

[0027] Two pulleys 101 are movably installed inside the base 1, and the two pulleys 101 are fixedly connected to the two threaded rods 501 respectively. The outer surfaces of the two pulleys 101 are jointly provided with a belt 102. When one of the pulleys 101 rotates, the two pulleys 101 can drive the two threaded rods 501 to rotate through the belt 102.

[0028] A second motor 103 is fixedly installed inside the base 1 , and an output end of the second motor 103 is fixedly connected to one of the pulleys 101 , so that the second motor 103 can drive one of the pulleys 101 to rotate.

[0029] A lower template 2 is fixedly mounted on the top surface of the base 1 , a plurality of guide rods 3 are fixedly mounted on the top surface of the lower template 2 , an upper template 4 is movably connected to the outer surface of the guide rods 3 , and the upper template 4 can be raised and lowered along the guide rods 3 .

[0030] Furthermore, two cavities 201 are formed inside the lower template 2 and the upper template 4 . When the upper template 4 is in contact with the lower template 2 , the cavity 201 is formed.

[0031] A flow channel 202 is provided inside the upper mold plate 4 , and the flow channel 202 is communicated with the two mold cavities 201 . When molten plastic is poured into the flow channel 202 , the molten plastic can enter the two mold cavities 201 through the flow channel 202 .

[0032] Two second electric push rods 203 are fixedly installed on the top surface of the upper template 4, and the output ends of the two second electric push rods 203 are fixedly installed with lifting plates 204, and the bottom surfaces of the two lifting plates 204 are fixedly installed with top knives 205, and the top knives 205 are movably connected to the upper template 4. The second electric push rods 203 can drive the lifting plates 204 to rise and fall, and then the top knives 205 can be raised and lowered to cut the gate.

[0033] The working principle of the utility model is as follows: the upper mold plate 4 is lowered along the guide rod 3 until it contacts the lower mold plate 2, and then the molten plastic is injected into the flow channel 202 and enters the two mold cavities 201 through the flow channel 202, and the second electric push rod 203 is started to drive the top knife 205 to move up and down to cut the gate, and the second motor 103 is started to drive one of the pulleys 101 to rotate through the belt 102, so that the two pulleys 101 can drive the two threaded rods 501 to rotate, and the threaded rods 501 During rotation, the connecting rod 503 can push the cleaning plate 6 to move until the fixed column 602 moves between the lower template 2 and the upper template 4, and the first electric push rod 607 pushes the driving block 608 to move. As the driving block 608 moves, the movable rod 603 can be pushed to move to the outside of the fixed column 602, thereby pushing the brush plate 609 to move, and the first motor 601 drives the fixed column 602 to rotate, and the unfolded brush plate 609 can clean the plastic residue remaining in the cavity 201.

[0034] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection claimed by the utility model is defined by the attached claims and their equivalents.

Claims

1. An injection mold with a cut-and-press gate, comprising a base (1), characterized in that: Drive frames (5) are fixedly mounted on both sides of the top surface of the base (1), and cleaning plates (6) are provided on opposite sides of the two drive frames (5). A first motor (601) is fixedly mounted on one side of the interior of the cleaning plate (6), and a fixing column (602) is movably mounted on one side of the outer surface of the cleaning plate (6), and the output end of the first motor (601) is fixedly connected to the fixing column (602). A lower template (2) is fixedly mounted on the top surface of the base (1), and an upper template (4) is provided on the top surface of the lower template (2). Two second electric push rods (203) are fixedly mounted on the top surface of the upper template (4), and the output ends of the two second electric push rods (203) are fixedly mounted with lifting plates (204), and a top knife (205) for cutting and pressing the gate is fixedly mounted on the bottom surfaces of the two lifting plates (204), and the top knife (205) is movably connected to the upper template (4); The outer surface of the fixed column (602) is movably connected with a plurality of movable rods (603), and the movable rods (603) extend into the interior of the fixed column (602); a connecting plate (605) is fixedly installed on one end of the movable rod (603) extending into the interior of the fixed column (602); a brush plate (609) is fixedly installed on one end of the movable rod (603) away from the connecting plate (605); a spring (604) is fixedly installed on one side of the connecting plate (605), and the spring (604) is fixedly connected to the inner wall of the fixed column (602); a contact wheel (606) is movably installed on one side of the connecting plate (605) away from the spring (604); a first electric push rod (607) is fixedly installed on one side of the outer surface of the fixed column (602); a driving block (608) is fixedly installed on the output end of the first electric push rod (607), and the contact wheel (606) is in contact with the driving block (608).

2. The injection mold with a cut-and-press gate according to claim 1, characterized in that: A threaded rod (501) is movably mounted on one side of the interior of the driving frame (5), and a sliding rod (502) is fixedly mounted on the other side of the interior of the driving frame (5); two lifting blocks (504) are threadedly connected to the outer surface of the threaded rod (501), and the two lifting blocks (504) are movably connected to the sliding rod (502); one side of the two lifting blocks (504) is movably connected to a connecting rod (503), and the two connecting rods (503) are movably connected to the cleaning plate (6).

3. The injection mold with a cut-and-press gate according to claim 2, characterized in that: The outer surface of the threaded rod (501) is provided with two opposite threads.

4. The injection mold with a cut-and-press gate according to claim 1, characterized in that: Two pulleys (101) are movably installed inside the base (1), and the two pulleys (101) are fixedly connected to two threaded rods (501) respectively. The outer surfaces of the two pulleys (101) are commonly provided with a belt (102). A second motor (103) is fixedly installed inside the base (1), and the output end of the second motor (103) is fixedly connected to one of the pulleys (101).

5. The injection mold with a cut-and-press gate according to claim 1, characterized in that: A plurality of guide rods (3) are fixedly mounted on the top surface of the lower template (2); the outer surfaces of the guide rods (3) are movably connected to the upper template (4); and two cavities (201) are provided inside the lower template (2) and the upper template (4); a flow channel (202) is provided inside the upper template (4), and the flow channel (202) is in communication with the two cavities (201).

6. The injection mold with a cut-and-press gate according to claim 1, characterized in that: The side of the driving block (608) that contacts the contact wheel (606) is inclined.

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