Injection mold capable of automatically cutting off saliva material

Abstract

The utility model discloses an injection mold capable of automatically cutting off saliva materials. The injection mold comprises a lower mold base, the lower mold base is arranged above a base, an upper mold base is arranged above the lower mold base, a mounting base is arranged on one side of the lower mold base, a mounting frame is arranged on one side of the upper mold base, and a second electric push rod is arranged in the mounting base; the injection molding opening is formed in the upper end of the upper mold base, a mold cavity is formed in the upper end of the lower mold base, a mounting groove is formed in the lower end of the upper mold base, an L-shaped cutting plate is arranged in the mounting groove and slidably connected with the upper mold base, and a first electric push rod is arranged on one side of the upper mold base. According to the injection mold, the L-shaped cutting plate capable of moving telescopically is arranged at the lower end of the injection molding opening, hot melt materials are cut off from the lower end of the injection molding opening through the L-shaped cutting plate after addition of the hot melt materials is completed, the saliva material cutting function is achieved, the saliva materials do not need to be cut off after solidification, and the using effect of the injection mold is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection mold which can automatically cut off saliva material. Background Art

[0002] Injection molds are tools for producing plastic products; they are also tools that give plastic products a complete structure and precise dimensions. Injection molding is a processing method used in mass production of certain parts with complex shapes. Specifically, it refers to the high-pressure injection of heated and melted plastic into the mold cavity by an injection molding machine, and after cooling and solidification, a molded product is obtained. The hot melt is injected into the mold cavity from the injection port, and some of the hot melt will remain in the injection port. After solidification, the saliva material in the injection port is connected to the mold, and the saliva material needs to be removed through post-processing.

[0003] The Chinese patent publication number is CN212219123U, and the authorization announcement date is December 25, 2020. An injection mold with an automatic cutting mechanism includes a fixed template, a movable template, and a shear plate. A floating gate sleeve is set through the center of the fixed template. The shear plate is movably set in the central axis hole of the movable template. The front end of the shear plate is directly opposite to the gate of the floating gate sleeve. The rear end of the shear plate is connected to a reset rod that pushes it into the gate position of the floating gate sleeve. A concave plastic part molding cavity is formed between the front end of the fixed template and the movable template. An ejection mechanism is axially arranged at the front end of the movable template. The ejection mechanism includes an ejector rod, a reset spring and a limit plate. The front end of the ejector rod passes through the movable template and extends into the plastic part molding cavity. The rear end of the ejector rod is connected to the limit plate. The side cutting of the material head is achieved by the shear plate, and the automatic cutting of the material head is completed at the moment when the mold retreats after the injection molding is completed, avoiding the defects and deformation of the plastic parts caused by manual de-gating, and improving the degree of automation of the product molding process.

[0004] The existing injection mold is not equipped with an automatic mechanism for cutting off the sprue. The sprue is connected to the mold, and the sprue at the edge of the product is cut manually after solidification. This increases the difficulty of cutting after solidification and easily damages the molded product, reducing the use effect of the injection mold and failing to meet usage requirements. Utility Model Content

[0005] The purpose of the utility model is to provide an injection mold which can automatically cut off the sprue material, so as to solve the problem proposed in the above background technology that the existing injection mold is not provided with an automatic sprue material cutting mechanism, the sprue material is connected to the module, and the sprue material at the edge of the product is manually cut off after solidification, which increases the difficulty of cutting after solidification and easily damages the molded product, thereby reducing the use effect of the injection mold and failing to meet the use requirements.

[0006] To achieve the above purpose, the utility model provides the following technical solution: an injection mold capable of automatically cutting off the saliva material, comprising a base, and also comprising:

[0007] A lower die seat, which is arranged above the base and fixedly connected to the base, an upper die seat is arranged above the lower die seat, a mounting seat is arranged on one side of the lower die seat, and the mounting seat is fixedly connected to the lower die seat, a mounting frame is arranged on one side of the upper die seat, and the mounting frame is fixedly connected to the upper die seat, one end of the mounting frame extends to the inside of the mounting seat, and the mounting frame is slidably connected to the mounting seat, a second electric push rod is arranged inside the mounting seat, and both ends of the second electric push rod are respectively fixedly connected to the mounting frame and the mounting seat;

[0008] An injection port is arranged at the upper end of the upper mold base, and the injection port and the upper mold base are arranged as a whole. A mold cavity is arranged at the upper end of the lower mold base, and a mounting groove is arranged at the lower end of the upper mold base, and the mounting groove is connected with the injection port. An L-shaped cutting plate is arranged inside the mounting groove, and the L-shaped cutting plate is arranged through the upper mold base. The L-shaped cutting plate is slidably connected to the upper mold base, and the lower end of the L-shaped cutting plate is arranged flush with the bottom of the upper mold base. A first electric push rod is arranged on one side of the upper mold base, and both ends of the first electric push rod are fixedly connected to the upper mold base and the L-shaped cutting plate respectively.

[0009] Preferably, a sealing strip is provided inside the mounting groove, and the sealing strip is connected to the upper mold base as a whole, the sealing strip is provided on the outside of the L-shaped cutting plate, and the sealing strip is fitted with the L-shaped cutting plate, an arc block is provided at one end of the L-shaped cutting plate, and the arc block is provided as a whole with the L-shaped cutting plate, and the arc block is provided corresponding to the injection port.

[0010] Preferably, a material receiving hopper is provided on one side of the mounting seat, a material suction pump is provided above the material receiving hopper, and the material receiving hopper and the material suction pump are fixedly connected to the mounting seat, the material receiving hopper and the material suction pump are connected, a material suction nozzle is provided above the upper mold seat, a metal hose is provided between the material suction nozzle and the material suction pump, and both ends of the metal hose are respectively connected to the material suction nozzle and the material suction pump as a whole, and a fixing frame is provided between the metal hose and the mounting frame.

[0011] Preferably, a boss is provided at the upper end of the lower mold base, and the boss is integrally arranged with the lower mold base, and the boss is arranged along the edge of the mold cavity, and a rubber ring is provided at the lower end of the upper mold base, and the rubber ring is connected to the upper mold base as a whole, and the rubber ring and the boss are arranged correspondingly.

[0012] Preferably, guide holes are provided at the four corners of the upper mold base, and there are four guide holes. Guide rods are provided above the four corners of the lower mold base, and one end of the guide rod is fixedly connected to the lower mold base. The guide rod and the guide hole are set through, and the guide rod is slidably connected to the upper mold base.

[0013] Preferably, an installation cavity is provided inside the lower mold base, a mounting plate is provided inside the mounting cavity, and the mounting plate is movably connected to the lower mold base, an ejector block is provided at the bottom of the mold cavity, at least three ejector blocks are provided, and the ejector block is slidably connected to the lower mold base, the ejector block is provided in a truncated cone shape, and the lower end of the ejector block is fixedly connected to the mounting plate, a third electric push rod is provided inside the base, and the third electric push rod is fixedly connected to the base, and the telescopic end of the third electric push rod is fixedly connected to the mounting plate.

[0014] Compared with the prior art, the beneficial effects of the utility model are:

[0015] 1. The utility model device is provided with an installation groove, an L-shaped cutting plate and a first electric push rod. The L-shaped cutting plate slides in the installation groove, and the first electric push rod drives the L-shaped cutting plate to move. The hot melt material at the lower end of the injection port is cut off by means of the L-shaped cutting plate, thereby realizing the function of cutting off the port material. There is no need to cut off the port material after solidification, thereby improving the use effect of the injection mold;

[0016] 2. The utility model device is provided with a metal hose, a suction nozzle, a receiving hopper and a suction pump. The metal hose can change shape with the user. The metal hose is bent to insert the suction nozzle into the injection port. The suction pump generates suction force. Under the action of the suction force, the accumulated material in the injection port is sucked out to avoid blockage caused by solidification of the hot melt in the injection port, and the hot melt is collected through the receiving hopper.

[0017] 3. The utility model device is provided with a third electric push rod, a mounting plate and an ejector block. The third electric push rod drives the mounting plate to rise and fall. The lifting and lowering of the mounting plate drives the ejector block to rise and fall. As the ejector block rises, a thrust is applied to the module in the mold cavity to eject the module, thereby facilitating the unloading of the module. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0019] Figure 2 It is a cross-sectional view of the utility model;

[0020] Figure 3 For the utility model Figure 1 A partial enlarged view of area A;

[0021] Figure 4 This is a bottom view of the connection between the L-shaped cutting plate and the upper die seat of the utility model;

[0022] Figure 5 For the utility model Figure 2 A partial enlarged view of area B.

[0023] In the figure: 1. base; 2. lower mold base; 3. upper mold base; 4. injection port; 5. mold cavity; 6. guide rod; 7. L-shaped cutting plate; 8. mounting bracket; 9. fixing bracket; 10. metal hose; 11. suction nozzle; 12. mounting groove; 13. first electric push rod; 14. sealing strip; 15. mounting base; 16. second electric push rod; 17. collecting hopper; 18. suction pump; 19. third electric push rod; 20. rubber ring; 21. guide hole; 22. arc block; 23. mounting cavity; 24. mounting plate; 25. ejector block; 26. boss. DETAILED DESCRIPTION

[0024] The technical solutions in the embodiments of the present invention will be described clearly and completely below in conjunction with the drawings in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, rather than all of the embodiments.

[0025] See also Figure 1-5 The utility model provides an embodiment: an injection mold capable of automatically cutting off the water material, comprising a base 1, and also comprising:

[0026] A lower die base 2 is arranged above the base 1, and the lower die base 2 is fixedly connected to the base 1, an upper die base 3 is arranged above the lower die base 2, a mounting base 15 is arranged on one side of the lower die base 2, and the mounting base 15 is fixedly connected to the lower die base 2, a mounting frame 8 is arranged on one side of the upper die base 3, and the mounting frame 8 is fixedly connected to the upper die base 3, one end of the mounting frame 8 extends to the inside of the mounting base 15, and the mounting frame 8 is slidably connected to the mounting base 15, a second electric push rod 16 is arranged inside the mounting base 15, and both ends of the second electric push rod 16 are respectively fixedly connected to the mounting frame 8 and the mounting base 15;

[0027] An injection port 4 is arranged at the upper end of the upper mold base 3, and the injection port 4 and the upper mold base 3 are arranged as a whole. A mold cavity 5 is arranged at the upper end of the lower mold base 2. A mounting groove 12 is arranged at the lower end of the upper mold base 3, and the mounting groove 12 is connected with the injection port 4. An L-shaped cutting plate 7 is arranged inside the mounting groove 12, and the L-shaped cutting plate 7 is arranged through the upper mold base 3. The L-shaped cutting plate 7 is slidably connected to the upper mold base 3, and the lower end of the L-shaped cutting plate 7 is arranged flush with the bottom of the upper mold base 3. A first electric push rod 13 is arranged on one side of the upper mold base 3, and both ends of the first electric push rod 13 are fixedly connected to the upper mold base 3 and the L-shaped cutting plate 7 respectively.

[0028] During use: drive the second electric push rod 16 to drive the upper mold base 3 to descend, and as the upper mold base 3 descends and closes with the lower mold base 2, the hot melt material is injected into the mold cavity 5 from the injection port 4. After the injection is completed, drive the first electric push rod 13 to drive the L-shaped cutting plate 7 to move to the inside of the upper mold base 3, and the hot melt material at the lower end of the injection port 4 is cut off by the L-shaped cutting plate 7, thereby realizing the function of cutting off the spit material. There is no need to cut the spit material after solidification, thereby improving the use effect of the injection mold.

[0029] See also Figure 1 , Figure 2 , Figure 3 and Figure 4 A sealing strip 14 is provided inside the mounting groove 12, and the sealing strip 14 is connected to the upper mold base 3 as a whole. The sealing strip 14 is arranged on the outside of the L-shaped cutting plate 7, and the sealing strip 14 is in contact with the L-shaped cutting plate 7. An arc block 22 is provided at one end of the L-shaped cutting plate 7, and the arc block 22 is arranged as a whole with the L-shaped cutting plate 7. The arc block 22 is arranged corresponding to the injection port 4. The sealing strip 14 ensures the sealing of the connection between the L-shaped cutting plate 7 and the upper mold base 3 to prevent the escape of hot melt. The arc block 22 is arranged corresponding to the injection port 4, which can ensure that the L-shaped cutting plate 7 completely closes the injection port 4.

[0030] See also Figure 1 and Figure 2 A material receiving hopper 17 is provided on one side of the mounting seat 15, and a suction pump 18 is provided above the material receiving hopper 17, and the material receiving hopper 17 and the suction pump 18 are fixedly connected to the mounting seat 15, and the material receiving hopper 17 and the suction pump 18 are connected, and a suction nozzle 11 is provided above the upper mold base 3, and a metal hose 10 is provided between the suction nozzle 11 and the suction pump 18, and the two ends of the metal hose 10 are respectively connected to the suction nozzle 11 and the suction pump 18 as a whole, and a fixing frame 9 is provided between the metal hose 10 and the mounting frame 8, and the suction nozzle 11 is inserted into the injection port 4 through the metal hose 10, and the suction pump 18 generates suction, and the accumulated material in the injection port 4 is sucked out under the action of the suction force, and the material receiving hopper 17 collects the sucked out hot melt material.

[0031] See also Figure 1 and Figure 2 A boss 26 is provided at the upper end of the lower mold base 2, and the boss 26 is integrated with the lower mold base 2. The boss 26 is arranged along the edge of the mold cavity 5. A rubber ring 20 is provided at the lower end of the upper mold base 3, and the rubber ring 20 is connected to the upper mold base 3 as a whole. The rubber ring 20 and the boss 26 are arranged correspondingly, and the boss 26 and the rubber ring 20 ensure the sealing of the upper mold base 3 and the lower mold base 2.

[0032] See also Figure 1 and Figure 3 Guide holes 21 are provided at the four corners of the upper die base 3, and there are four guide holes 21. Guide rods 6 are provided above the four corners of the lower die base 2, and one end of the guide rod 6 is fixedly connected to the lower die base 2. The guide rod 6 and the guide hole 21 are through-set, and the guide rod 6 is slidably connected to the upper die base 3. The guide rod 6 and the guide hole 21 play a guiding and limiting role for the lifting upper die base 3, thereby ensuring the opening and closing accuracy of the upper die.

[0033] See also Figure 2 and Figure 5A mounting cavity 23 is provided inside the lower die base 2, a mounting plate 24 is provided inside the mounting cavity 23, and the mounting plate 24 is movably connected to the lower die base 2, an ejector block 25 is provided at the bottom of the die cavity 5, at least three ejector blocks 25 are provided, and the ejector block 25 is slidably connected to the lower die base 2, the ejector block 25 is truncated, and the lower end of the ejector block 25 is fixedly connected to the mounting plate 24, a third electric push rod 19 is provided inside the base 1, and the third electric push rod 19 is fixedly connected to the base 1, and the telescopic end of the third electric push rod 19 is fixedly connected to the mounting plate 24, the mounting plate 24 is driven to rise and fall by the third electric push rod 19, and the rising and falling mounting plate 24 drives the ejector block 25 to rise and fall synchronously, and as the ejector block 25 rises, a thrust is applied to the module in the die cavity 5 to push the module out.

[0034] Working principle: drive the second electric push rod 16 to drive the upper mold base 3 to descend, and as the upper mold base 3 descends and closes with the lower mold base 2, the hot melt material is injected into the mold cavity 5 from the injection port 4. After the injection is completed, drive the first electric push rod 13 to drive the L-shaped cutting plate 7 to move to the inside of the upper mold base 3, and cut off the hot melt material at the lower end of the injection port 4 through the L-shaped cutting plate 7 to achieve the function of cutting off the mouth material, bend the metal hose 10, insert the suction nozzle 11 into the injection port 4, turn on the suction pump 18 to generate suction, and under the action of the suction force, suck out the accumulated material in the injection port 4; after the curing is completed, drive the second electric push rod 16 to drive the upper mold base 3 to rise and open the mold, and then drive the third electric push rod 19 to drive the mounting plate 24 to rise, and as the mounting plate 24 rises, the ejection block 25 is driven to rise, and the rising ejection block 25 applies thrust to the module in the mold cavity 5 to push the module out.

[0035] The contents not described in detail in this specification belong to the prior art known to professional and technical personnel in this field.

[0036] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An injection mold capable of automatically cutting off the saliva material, comprising a base (1), characterized in that: Also includes: A lower die base (2) is arranged above the base (1), and the lower die base (2) is fixedly connected to the base (1); an upper die base (3) is arranged above the lower die base (2); a mounting base (15) is arranged on one side of the lower die base (2), and the mounting base (15) is fixedly connected to the lower die base (2); a mounting frame (8) is arranged on one side of the upper die base (3), and the mounting frame (8) is fixedly connected to the upper die base (3); one end of the mounting frame (8) extends to the inside of the mounting frame (15), and the mounting frame (8) is slidably connected to the mounting frame (15); a second electric push rod (16) is arranged inside the mounting frame (15), and the two ends of the second electric push rod (16) are respectively fixedly connected to the mounting frame (8) and the mounting frame (15); An injection port (4) is arranged at the upper end of the upper mold base (3), and the injection port (4) and the upper mold base (3) are arranged as a whole. A mold cavity (5) is arranged at the upper end of the lower mold base (2). A mounting groove (12) is arranged at the lower end of the upper mold base (3), and the mounting groove (12) is connected to the injection port (4). An L-shaped cutting plate (7) is arranged inside the mounting groove (12), and the L-shaped cutting plate (7) is connected to the upper mold base (3). The L-shaped cutting plate (7) is slidably connected to the upper mold base (3), and the lower end of the L-shaped cutting plate (7) is arranged flush with the bottom of the upper mold base (3). A first electric push rod (13) is arranged on one side of the upper mold base (3), and the two ends of the first electric push rod (13) are respectively fixedly connected to the upper mold base (3) and the L-shaped cutting plate (7).

2. The injection mold capable of automatically cutting off the water material according to claim 1, characterized in that: A sealing strip (14) is provided inside the installation groove (12), and the sealing strip (14) is connected to the upper mold base (3) as a whole; the sealing strip (14) is provided outside the L-shaped cutting plate (7), and the sealing strip (14) is in contact with the L-shaped cutting plate (7); an arc block (22) is provided at one end of the L-shaped cutting plate (7), and the arc block (22) is provided as a whole with the L-shaped cutting plate (7); the arc block (22) is provided corresponding to the injection port (4).

3. The injection mold capable of automatically cutting off the saliva material according to claim 1, characterized in that: A material receiving hopper (17) is provided on one side of the mounting seat (15), a material suction pump (18) is provided above the material receiving hopper (17), and the material receiving hopper (17) and the material suction pump (18) are both fixedly connected to the mounting seat (15), the material receiving hopper (17) and the material suction pump (18) are connected, a material suction nozzle (11) is provided above the upper mold seat (3), a metal hose (10) is provided between the material suction nozzle (11) and the material suction pump (18), and both ends of the metal hose (10) are respectively connected to the material suction nozzle (11) and the material suction pump (18) as a whole, and a fixing frame (9) is provided between the metal hose (10) and the mounting frame (8).

4. The injection mold capable of automatically cutting off the water material according to claim 1, characterized in that: The upper end of the lower mold base (2) is provided with a boss (26), and the boss (26) and the lower mold base (2) are arranged as a whole, and the boss (26) is arranged along the edge of the mold cavity (5); the lower end of the upper mold base (3) is provided with a rubber ring (20), and the rubber ring (20) and the upper mold base (3) are connected as a whole, and the rubber ring (20) and the boss (26) are arranged correspondingly.

5. The injection mold capable of automatically cutting off the water material according to claim 1, characterized in that: The upper die seat (3) is provided with guide holes (21) at four corners, and there are four guide holes (21). The upper parts of the four corners of the lower die seat (2) are provided with guide rods (6), and one end of the guide rod (6) is fixedly connected to the lower die seat (2). The guide rod (6) and the guide hole (21) are connected, and the guide rod (6) is slidably connected to the upper die seat (3).

6. The injection mold capable of automatically cutting off the water material according to claim 1, characterized in that: The lower die base (2) is provided with a mounting cavity (23) inside, a mounting plate (24) inside the mounting cavity (23), and the mounting plate (24) is movably connected to the lower die base (2); an ejector block (25) is provided at the bottom of the die cavity (5), at least three ejector blocks (25) are provided, and the ejector blocks (25) are slidably connected to the lower die base (2); the ejector blocks (25) are provided in a truncated cone shape, and the lower end of the ejector block (25) is fixedly connected to the mounting plate (24); a third electric push rod (19) is provided inside the base (1), and the third electric push rod (19) is fixedly connected to the base (1), and the telescopic end of the third electric push rod (19) is fixedly connected to the mounting plate (24).

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