Precision mold facilitating positioning and machining and machining method thereof

Abstract

According to the precise mold convenient to position and machine and the machining method of the precise mold convenient to position and machine, a lower mold is fixed to the top end of a device base, one end of a back plate is fixedly sleeved with a lantern ring, connecting plates are fixed to the two sides of the surface of the lantern ring, an upper mold is fixed to the bottom ends of the connecting plates, and an injection molding hole is formed in the top end of the upper mold in a penetrating mode; an arc-shaped plate is fixed on one side of the device base; a fixing column is fixed between the device base and the back plate, a water pipe is arranged in the fixing column, water tanks are fixed to the two sides of the device base respectively, square grooves are formed in the top ends of the water tanks, fans are installed at the top ends of the water tanks, one side of one water tank communicates with a water injection pipe, and an electric valve is installed in the water injection pipe. Through the arrangement of the lantern ring, the connecting plate, the connecting column, the bidirectional ball screw and the connecting rod, the purpose of precise positioning of mold machining can be achieved, and an upper mold and a lower mold can be precisely reproduced.

Description

Technical Field

[0001] The invention relates to the field of processing molds, and in particular to a precision mold that is convenient for positioning processing and a processing method thereof. Background Art

[0002] Precision molds play a vital role in the manufacturing industry, especially in the electronics, automotive and aerospace industries. These molds are used to produce high-precision parts, and their quality is directly related to the performance and reliability of the final product. However, the traditional mold manufacturing process often requires a lot of time and cost to ensure accuracy, which makes the production cycle long and costly.

[0003] The defects of existing molds during injection molding are: The existing molds are not easy to position during processing, which affects the precision and quality of product processing and increases the time and efficiency required for mold processing; During the existing mold processing, manual observation and testing of the mold accuracy is required, which is prone to errors and deviations. Summary of the invention

[0004] The object of the present invention is to provide a precision mold and a processing method thereof which are convenient for positioning processing, so as to solve the problems raised in the above-mentioned background technology.

[0005] To achieve the above-mentioned purpose, the present invention provides the following technical solutions: a precision mold and a processing method thereof for convenient positioning processing, comprising a door panel hinged on the front of the device base, a lower mold fixed on the top of the device base, a back plate fixed on the back of the device base, and a fixed sleeve with a collar at one end of the back plate, connecting plates fixed on both sides of the surface of the collar, and an upper mold fixed on the bottom end of the connecting plate, an injection hole penetrating through the top of the upper mold, an arc plate fixed on one side of the device base, a second motor installed on the inner wall of the device base, and a bidirectional ball screw fixed on the output end of the second motor, connecting rods are respectively provided at both ends of the surface of the bidirectional ball screw through threaded rotation sleeves, and connecting columns are fixed on both sides of the connecting rod, an electric push rod is installed on the other end of the bottom end of the inner wall of the device base, and a moving column is fixed on the top of the electric push rod, a limiting column is fixed on the surface of the moving column, a sensor is installed on the top of the device base, and a first motor is installed on one side of the back plate; A fixing column is fixed between the base and the back plate of the device, and a water pipe is arranged in the fixing column. Water tanks are fixed on both sides of the base of the device, and a square groove is opened at the top of the water tank. A fan is installed at the top of the water tank. One side of one group of the water tanks is connected to a water injection pipe, and an electric valve is installed in the water injection pipe.

[0006] Preferably, a limiting column is fixed on the top of the base of the device, and the output end of the electric push rod and the moving column are movably inserted into the limiting column respectively. One end of most moving columns movably passes through the arc plate to reduce the displacement of the moving column during use and detect the positioning of the lower mold and the upper mold.

[0007] Preferably, square grooves are respectively provided on both sides of the top of the device base, and one end of a connecting rod is movably inserted in the square groove. Two groups of connecting rods are symmetrically arranged, and the inner sides of the two groups of connecting rods are respectively close to the two sides of the lower mold, so that the two sides of the lower mold and the upper mold can be positioned more accurately, reducing the occurrence of protrusions, thereby reducing the tilt of the workpiece.

[0008] Preferably, the top end of the lower mold is close to the bottom end of the upper mold, and the contact surface areas of the two are the same, so that the workpiece can be completely and comprehensively injection molded.

[0009] Preferably, a limiting plate is fixed on the front side of the back panel, and the top of the limiting plate is close to the bottom end of the connecting plate. A rubber pad is laid on the top of the limiting plate. The rubber material has good friction and certain elasticity, which reduces the collision between the connecting plate and the limiting plate and protects different components.

[0010] Preferably, a heat exchanger and a water pump are installed in the water tank to accelerate the cooling of the water flow, realize circulation, and reduce the time required for cooling.

[0011] Preferably, the connecting columns are symmetrically arranged in multiple groups, and each two groups of the connecting columns are fixed on both sides of the top end of the connecting rod, and the bottom ends of the connecting columns are close to the top end of the upper mold.

[0012] Preferably, the water pipe is arranged in a "U" shape, and both ends of the water pipe are respectively connected to two groups of water tanks, and the surface of the water pipe is close to the back side of the lower mold.

[0013] As a preferred method, the processing steps of the precision mold that is convenient for positioning processing are as follows: S1. Before using the equipment, the user should wear appropriate work clothes and safety gear, and use detergent and soft brush to clean the inside of the mold to remove dust and residue; S2. When the user uses the device, the device is started through the external power supply connection and the external remote control, and the first motor is started. Then the output end of the first motor drives the ring to rotate, so that the ring and the connecting plate drive the upper mold to flip downward, so that the upper mold and the lower mold are closed, and then the second motor is started, so that the bidirectional ball screw drives the connecting rod and the connecting column to move to both sides of the lower mold and the upper mold for limiting, and finally the electric push rod is started, so that the piston end of the electric push rod is inserted upward into the injection hole; S3. When the user uses the equipment, the user performs injection molding through the injection hole and starts the electric valve at the same time. The cooling water flows into the water tank through the water injection pipe, and the water is transported to the water inlet pipe through the water pump to cool the mold in the lower mold.

[0014] Compared with the prior art, the present invention has the following beneficial effects: The present invention achieves the purpose of precise positioning of mold processing by setting the collar, connecting plate, connecting column, bidirectional ball screw and connecting rod, so that the upper and lower molds can be accurately reproduced, the defective rate can be reduced, thereby reducing material waste and rework rate, helping to reduce production costs, and reducing mold alignment time, so that the equipment can enter the production state faster, reducing non-production time, and thus improving overall production efficiency. High-precision mold positioning technology can support more complex design and manufacturing requirements, allowing the production of more sophisticated and complex products, and providing possibilities for innovative design.

[0015] The present invention achieves the purpose of observing and detecting positioning accuracy by setting limit columns, sensors, arc plates and movable columns, and can identify and locate products more quickly and accurately during the production process, thereby reducing pauses and adjustment time in production, improving overall production efficiency, and providing higher-precision measurement and detection, so that the degree of detection is consistent each time, reducing the influence of manual observation caused by factors such as fatigue and lack of experience, reducing deviations during detection, and improving the accuracy of detection results. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] Figure 1 It is a schematic diagram of the overall structure of the present invention; Figure 2 It is a schematic diagram of the structure of the fixing column of the present invention; Figure 3 It is a schematic diagram of the mold structure of the present invention; Figure 4 It is a schematic diagram of the bidirectional ball screw structure of the present invention; Figure 5 It is a schematic diagram of the connecting column structure of the present invention; Figure 6 It is a schematic diagram of the structure of the electric push rod of the present invention; Figure 7 It is a schematic diagram of the water pipe structure of the present invention; Figure 8 It is a schematic diagram of the square groove structure of the present invention.

[0017] In the figure: 1. device base; 2. door panel; 3. lower mold; 4. back panel; 5. collar; 6. connecting plate; 7. upper mold; 8. first motor; 9. water tank; 10. water injection pipe; 11. fan; 12. limit column; 13. sensor; 14. connecting column; 15. fixed column; 16. injection hole; 17. arc plate; 18. limit plate; 19. second motor; 20. bidirectional ball screw; 21. connecting rod; 22. square groove; 23. electric push rod; 24. square groove; 25. moving column; 26. electric valve; 27. water pipe. DETAILED DESCRIPTION

[0018] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0019] A precision mold convenient for positioning and processing comprises a device base 1, a door panel 2 is hingedly connected to the front of the device base 1, and a lower mold 3 is fixed to the top of the device base 1; Specifically, by setting the door panel 2, the device base 1 and the door panel 2 are locked by a door lock, so that the interior of the device base 1 can be closed and exposed, which is convenient for regular maintenance and overhaul, and also convenient for regularly applying lubricating oil to the surface of the bidirectional ball screw 20, while reducing the entry of dust and impurities, so that the bidirectional ball screw 20 and the connecting rod 21 can rotate smoothly; A back plate 4 is fixed to the back of the device base 1, and a collar 5 is fixedly sleeved at one end of the back plate 4, connecting plates 6 are fixed on both sides of the surface of the collar 5, and an upper mold 7 is fixed to the bottom end of the connecting plate 6, and an injection hole 16 is opened through the top of the upper mold 7, and a first motor 8 is installed on one side of the back plate 4, and the top of the lower mold 3 is close to the bottom end of the upper mold 7, and the contact surface area of ​​the two is the same, and a limiting plate 18 is fixed to the front of the back plate 4, and the top of the limiting plate 18 is close to the bottom end of the connecting plate 6, and the top of the limiting plate 18 is paved with a rubber pad; Specifically, through the arrangement of the collar 5 and the connecting plate 6, the user presses the corresponding external remote control, and the output end of the first motor 8 is fixed to one end of the back plate 4, and the output end of the first motor 8 drives the connecting plate 6 to rotate forward and reverse, thereby changing the use angle and position of the upper mold 7, which is suitable for closing the lower mold 3 and the upper mold 7 or exposing the top of the lower mold 3. When the output end of the first motor 8 rotates clockwise, the lower mold 3 and the upper mold 7 are closed so that plastic operation can be performed, otherwise the mold 3 is exposed to take out the workpiece; Specifically, by setting the limiting plate 18, the rotation angle of the connecting plate 6 is limited, and the connecting plate 6 stops rotating after being rotated to a suitable position, thereby improving the precision of the mold.

[0020] A second motor 19 is installed on the inner wall of the device base 1, and a bidirectional ball screw 20 is fixed to the output end of the second motor 19. Connecting rods 21 are respectively provided at both ends of the surface of the bidirectional ball screw 20 through threaded rotation sleeves, and connecting columns 14 are fixed on both sides of the connecting rod 21. Square grooves 24 are respectively provided on both sides of the top of the device base 1, and one end of the connecting rod 21 is movably inserted in the square groove 24. Two groups of connecting rods 21 are symmetrically arranged, and the inner sides of the two groups of connecting rods 21 are respectively close to the two sides of the lower mold 3; Specifically, through the setting of the bidirectional ball screw 20, when the user uses the device, he starts the second motor 19 by pressing the corresponding external remote control, and the clockwise and counterclockwise rotation of the second motor 19 drives the use position of the two groups of connecting rods 21 to move. When the bidirectional ball screw 20 rotates clockwise, the two groups of connecting rods 21 move toward the middle at the same time, so that the connecting rods 21 and the connecting column 14 can push the two sides of the lower mold 3 and the upper mold 7 to both sides, so that the lower mold 3 and the upper mold 7 are closed more firmly. On the contrary, when the bidirectional ball screw 20 rotates counterclockwise, the connecting column 14 and the connecting rod 21 are away from the two sides of the lower mold 3 and the upper mold 7. Specifically, through the provision of the square grooves 24 , when the two groups of connecting rods 21 move simultaneously, the two groups of connecting rods 21 slide to both sides in the square grooves 24 simultaneously, thereby limiting the moving positions of the connecting rods 21 .

[0021] An arc plate 17 is fixed to one side of the device base 1, an electric push rod 23 is installed at the other end of the bottom of the inner wall of the device base 1, and a moving column 25 is fixed to the top of the electric push rod 23, and a limit column 12 is fixedly sleeved on the surface of the moving column 25, a sensor 13 is installed at the top of the device base 1, and the limit column 12 is fixed to the top of the device base 1, and the output end of the electric push rod 23 and the moving column 25 are movably inserted with the limit column 12 respectively, and one end of most of the moving columns 25 movably penetrates the arc plate 17; Specifically, by setting the electric push rod 23, the use position of the moving column 25 is pushed, so that the use position detection of the lower mold 3 and the upper mold 7 can be achieved. The sensor 13 detects whether the moving column 25 is inserted into the arc plate 17, and feeds back the detection result to the terminal. If it is not successfully inserted, the terminal alarms, and then the equipment is detected and repositioned for injection molding; Specifically, by setting the limiting column 12 , the use position of the movable column 25 can be limited, so that the movable column 25 can still maintain a certain running track after long-term use, and the movable column 25 and the circular hole in the arc plate 17 remain on the same horizontal line.

[0022] A fixing column 15 is fixed between the device base 1 and the back plate 4, and a water pipe 27 is arranged in the fixing column 15. Water tanks 9 are fixed on both sides of the device base 1, and a square groove 22 is opened at the top of the water tank 9. A fan 11 is installed at the top of the water tank 9. One side of one group of water tanks 9 is connected with a water injection pipe 10, and an electric valve 26 is installed in the water injection pipe 10. A heat exchanger and a water pump are installed in the water tank 9. Specifically, by providing the water pipe 27, it is convenient for the user to take away the heat generated during pouring in the lower mold 3, thereby reducing the heat of the mold; Specifically, through the setting of the fan 11, the wind generated by the fan 11 can be blown into the water tank 9 through the square groove 22, thereby generating air flow, realizing the circulation and cooling of the air in the water tank 9, which can be further recycled; Specifically, through the setting of the heat exchanger and the water pump, the water outlet end of the water pump is fixed to one end of the water pipe 27, and the water inlet end of the water pump is in contact with the water in the water tank 9. The heat exchanger adopts a tube-sheet heat exchanger, which is suitable for installation inside the water tank and is usually made of stainless steel or other corrosion-resistant materials.

[0023] The processing steps of the precision mold that is convenient for positioning processing are as follows: S1. Before using the equipment, the user wears appropriate work clothes and safety gear, uses detergent and soft brush to clean the inside of the lower mold 3, removes dust and residues, and ensures that the working area is clean and sanitary; S2. When the user uses the device, the device is started through the external power supply connection and the external remote control, and the first motor 8 is started. Then, the output end of the first motor 8 drives the ring 5 to rotate, so that the ring 5 and the connecting plate 6 drive the upper mold 7 to flip downward, so that the upper mold 7 and the lower mold 3 are closed, and then the second motor 19 is started, so that the bidirectional ball screw 20 drives the connecting rod 21 and the connecting column 14 to move to both sides of the lower mold 3 and the upper mold 7 for limiting, and finally the electric push rod 23 is started, so that the piston end of the electric push rod 23 is inserted upward into the injection hole 16, so that the lower mold 3 and the upper mold 7 can be stably sealed and positioned for different processing positions; S3. When the user uses the equipment, the user performs injection molding through the injection hole 16 and starts the electric valve 26 at the same time. The cooling water flows into the water tank 9 through the water injection pipe 10. The water pump transports the water to the water pipe 27 to cool the mold in the lower mold 3, and then flows into another set of water tanks 9. The fan 11 and the heat exchanger cool the water, so that it can circulate to cool the workpiece.

[0024] The first motor 8, the fan 11, the sensor 13, the second motor 19, the electric push rod 23, the electric valve 26, the water pump and the heat exchanger used in the present application are products that can be directly purchased on the market. Their principles, connection methods and control methods are all existing technologies well known to those skilled in the art, so they will not be repeated here. Some components in the present invention are only for display, and lines and reserved holes can be set according to actual needs.

[0025] Working principle: put the whole in a suitable position, start the first motor 8 to drive the ring 5 and the connecting plate 6 to rotate through an external power supply and an external remote control starting device, so that the upper mold 7 is closed and the lower mold 3 is closed, and then start the second motor 19 to make the bidirectional ball screw 20 drive the two groups of connecting rods 21 to move to the middle at the same time, and the two sides of the lower mold 3 and the upper mold 7 are fixed and positioned by the connecting column 14, and then start the electric push rod 23, and the piston end of the electric push rod 23 pushes the moving column 25 in the limit column 12 upward, so that the moving column 25 penetrates the arc plate 17, and the sensor 13 detects and feedbacks the penetration situation. After confirming that the positioning is correct, injection molding is carried out through the injection hole 16; Next, the electric valve 26 is started, so that the water flows into the water tank 9 through the water injection pipe 10, and flows into the water pipe 27 through the water pump in the water tank 9 to cool the workpiece in the lower mold 3. Then, the water flows into another set of water tanks 9, where the heat exchanger and the fan 11 cool the water. The cooled water can be circulated in the two sets of water tanks 9 through the water pipe 27 for cooling.

[0026] In the description of the present invention, it should be noted that the terms "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only and cannot be understood as indicating or implying relative importance.

[0027] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installed", "provided with", "connected", etc. should be understood in a broad sense. For example, "connected" can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0028] It will be apparent to those skilled in the art that the invention is not limited to the details of the exemplary embodiments described above and that the invention can be implemented in other specific forms without departing from the spirit or essential features of the invention. Therefore, the embodiments should be considered exemplary and non-limiting in all respects, and the scope of the invention is defined by the appended claims rather than the foregoing description, and it is intended that all variations falling within the meaning and scope of the equivalent elements of the claims be included in the invention. Any reference numeral in a claim should not be considered as limiting the claim to which it relates.

Claims

1. A precision mold for convenient positioning and processing, comprising a device base (1), characterized in that: The front side of the device base (1) is hinged with a door panel (2), the top side of the device base (1) is fixed with a lower mold (3), the back side of the device base (1) is fixed with a back plate (4), and one end of the back plate (4) is fixedly sleeved with a collar (5), connecting plates (6) are fixed on both sides of the surface of the collar (5), and an upper mold (7) is fixed at the bottom end of the connecting plate (6), and an injection hole (16) is opened through the top of the upper mold (7), an arc plate (17) is fixed on one side of the device base (1), and a second motor (19) is installed on the inner wall of the device base (1), and the second motor A bidirectional ball screw (20) is fixed to the output end of the device (19), and connecting rods (21) are respectively provided at both ends of the surface of the bidirectional ball screw (20) through threaded rotating sleeves, and connecting columns (14) are fixed on both sides of the connecting rod (21), an electric push rod (23) is installed at the other end of the bottom end of the inner wall of the device base (1), and a moving column (25) is fixed at the top of the electric push rod (23), and a limit column (12) is fixed on the surface of the moving column (25), a sensor (13) is installed at the top of the device base (1), and a first motor (8) is installed on one side of the back plate (4); A fixing column (15) is fixed between the device base (1) and the back plate (4), and a water pipe (27) is arranged in the fixing column (15). Water tanks (9) are fixed on both sides of the device base (1), and a square groove (22) is provided at the top of the water tank (9). A fan (11) is installed at the top of the water tank (9). One side of one group of the water tanks (9) is connected to a water injection pipe (10), and an electric valve (26) is installed in the water injection pipe (10).

2. A precision mold for convenient positioning processing according to claim 1, characterized in that: A limiting column (12) is fixed to the top of the device base (1), and the output end of the electric push rod (23) and the moving column (25) are movably inserted into the limiting column (12), and one end of most moving columns (25) movably penetrates the arc plate (17).

3. A precision mold for convenient positioning processing according to claim 1, characterized in that: Square grooves (24) are respectively formed on both sides of the top of the device base (1), and one end of a connecting rod (21) is movably inserted into the square groove (24). Two groups of connecting rods (21) are symmetrically arranged, and the inner sides of the two groups of connecting rods (21) are respectively close to the two sides of the lower mold (3).

4. A precision mold for convenient positioning processing according to claim 1, characterized in that: The top end of the lower mold (3) is close to the bottom end of the upper mold (7), and the contact surface areas of the two are the same.

5. The precision mold for convenient positioning processing according to claim 1 is characterized in that: A limiting plate (18) is fixed to the front side of the back plate (4), and the top end of the limiting plate (18) is close to the bottom end of the connecting plate (6), and a rubber pad is laid on the top end of the limiting plate (18).

6. The precision mold for convenient positioning processing according to claim 1, characterized in that: A heat exchanger and a water pump are installed in the water tank (9).

7. The precision mold for convenient positioning processing according to claim 1, characterized in that: The connecting columns (14) are symmetrically arranged in multiple groups, and each two groups of the connecting columns (14) are fixed on both sides of the top end of the connecting rod (21), and the bottom ends of the connecting columns (14) are close to the top end of the upper mold (7).

8. The precision mold for convenient positioning processing according to claim 1, characterized in that: The water pipe (27) is arranged in a "U" shape, and the two ends of the water pipe (27) are respectively connected to the two groups of water tanks (9), and the surface of the water pipe (27) is close to the back side of the lower mold (3).

9. A method for processing a precision mold that is convenient for positioning processing, characterized in that: The precision mold for convenient positioning processing as described in any one of claims 1 to 8 above comprises the following steps: S1. Before using the equipment, the user wears appropriate work clothes and safety gear, and uses a cleaning agent and a soft brush to clean the inside of the lower mold (3) to remove dust and residues; S2. When the user uses the device, the device is started through an external power supply connection and an external remote control, and the first motor (8) is started. Then, the output end of the first motor (8) drives the collar (5) to rotate, so that the collar (5) and the connecting plate (6) drive the upper mold (7) to flip downward, so that the upper mold (7) and the lower mold (3) are closed. Then, the second motor (19) is started, so that the bidirectional ball screw (20) drives the connecting rod (21) and the connecting column (14) to move to both sides of the lower mold (3) and the upper mold (7) for limiting. Finally, the electric push rod (23) is started, so that the piston end of the electric push rod (23) is inserted upward into the injection hole (16); S3. When the user uses the device, the user performs injection molding through the injection hole (16) and simultaneously activates the electric valve (26). The cooling water flows into the water tank (9) through the water injection pipe (10). The water pump delivers the water to the water pipe (27) to cool the mold in the lower mold (3). The water then flows into another set of water tanks (9). The fan (11) and the heat exchanger cool the water.

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