Axial adjustable injection molding charging device

Abstract

The utility model relates to the technical field of rare earth iron-based alloy, and discloses an axially adjustable injection molding charging device, which comprises a rectangular bottom plate, the bottom of the bottom plate is fixedly connected with a bottom electric cylinder, the end part of the bottom electric cylinder is fixedly connected with a discharging plate, and the wall surface of the bottom plate above the discharging plate is provided with a circular groove; the material storage barrel is a hollow rectangular barrel and is fixedly connected to the top of the bottom plate, a through pipe is fixedly connected to the side wall face of the material storage barrel, the through pipe is a rectangular pipe, and the through pipe can communicate with the interior of a cavity of the material storage barrel; the material pumping structure comprises an injection cylinder, a through groove, a blocking plate, a sleeve, a cutting groove and a piston head, the injection cylinder is fixedly connected to the top of the bottom plate, the through groove is formed in the side wall face of the injection cylinder, the blocking plate is fixedly connected to the top of the side wall face of the injection cylinder, the sleeve is slidably connected to the outer wall face of the injection cylinder, and the cutting groove is formed in the bottom of the sleeve; the piston head is slidably connected into the cavity of the syringe, and the open end of the through pipe faces the through groove.

Description

Technical Field

[0001] This utility model belongs to the field of rare earth iron-based alloys, specifically, it relates to an axially adjustable injection molding feeding device. Background Technology

[0002] Rare earth ferroalloys and rare earth iron-based alloys are a class of high-performance alloy materials formed by adding rare earth elements (such as lanthanum, cerium, neodymium, etc.) to iron as the main matrix. They have important applications in metallurgy, electronics, new energy and other fields.

[0003] The prior art (publication number: CN218964036U) discloses a metal injection molding mechanism for titanium alloy powder metallurgy, including: a first hydraulic cylinder, a material barrel, a push tube, a base shell and a second hydraulic cylinder. A first hydraulic rod is installed on the lower surface of the first hydraulic cylinder, a heater is installed on the circumferential surface of the push tube, and a pressure stabilizing piston is installed inside the material barrel.

[0004] Existing technology controls the pumping and injection molding of powder through multiple cylinders installed in the device. While existing technology can achieve injection molding, the multiple cylinders in the device result in high power consumption during each operation.

[0005] In view of this, this utility model is proposed. Utility Model Content

[0006] To solve the above-mentioned technical problems, the basic concept of the technical solution adopted by this utility model is as follows:

[0007] An axially adjustable injection molding loading device includes:

[0008] The base plate is rectangular. A bottom electric cylinder is fixedly connected to the bottom of the base plate, and a feeding plate is fixedly connected to the end of the bottom electric cylinder. A circular groove is opened on the wall of the base plate above the feeding plate.

[0009] The storage cylinder is a hollow rectangular cylinder, which is fixedly connected to the top of the base plate. A through pipe is fixedly connected to the side wall of the storage cylinder. The through pipe is rectangular and can communicate with the inside of the storage cylinder cavity.

[0010] The material extraction structure is located at the top of the base plate and is used to extract alloy powder from the storage cylinder cavity. The material extraction structure includes: an injection cylinder, a through groove, a baffle plate, a sleeve, a cutting groove, and a piston head. The injection cylinder is fixedly connected to the top of the base plate, the through groove is opened on the side wall of the injection cylinder, the baffle plate is fixedly connected to the top of the side wall of the injection cylinder, the sleeve is slidably connected to the outer wall of the injection cylinder, the cutting groove is opened at the bottom of the sleeve, and the piston head is slidably connected to the cavity of the injection cylinder. The open end of the through tube faces the through groove.

[0011] In a preferred embodiment of this utility model, the injection cylinder is a hollow cylinder with a gradually narrowing bottom. The bottom of the injection cylinder can communicate with a circular groove opened at the top of the base plate. The through groove is rectangular. The bottom end of the through tube can be fixedly connected to the wall of the injection cylinder at the through groove. The baffle is rectangular and is located above the through groove.

[0012] In a preferred embodiment of this utility model, the sleeve is in the shape of a cylindrical tube, the cavity of the sleeve can be adapted to the outer wall size of the injection tube, the groove is a rectangular groove with an open bottom, the groove can be adapted to the size of the tube, and a second groove adapted to the baffle plate is provided on the top of the sleeve, and the two grooves on the sleeve wall are symmetrical to each other.

[0013] In a preferred embodiment of this utility model, the material extraction structure further includes a support, a top electric cylinder, a locking block, a belt plate, an inclined platform, and a sealing plate. The support is fixedly connected to the top of the injection cylinder, the top electric cylinder is fixedly connected to the top of the support, the locking block is symmetrically fixedly connected to the top of the sleeve, the belt plate is fixedly connected to the bottom extension end of the top electric cylinder, the inclined platform is fixedly connected to the end opening of the through pipe, and the sealing plate is fixedly connected to the top of the side end of the through pipe.

[0014] In a preferred embodiment of this utility model, the bracket consists of two cylinders at the bottom and a disc at the top. The extension end of the top electric cylinder can pass through the disc on the wall of the bracket. The belt plate slides between the symmetrical cylinders on the wall of the bracket. The belt plate is a rectangular plate with curved sides. The locking block is a crescent-shaped block. The wall of the locking block has a groove adapted to the size of the curved surface of the belt plate. The inclined platform is a right-angled triangular block. The inclined surface of the inclined platform faces into the through-tube cavity. The sealing plate is a rectangular plate and the material of the sealing plate is rubber.

[0015] In a preferred embodiment of this utility model, the bottom of the belt plate is provided with an adjustment structure, which includes a worm and a threaded cylinder. The worm is fixedly connected to the bottom of the belt plate, and the threaded cylinder is sleeved on the outer wall of the worm. The bottom of the threaded cylinder can be fixedly connected to the top of the piston head, and the threaded cylinder can pass through the top of the injection cylinder.

[0016] In a preferred embodiment of this utility model, the worm is a threaded column, and the threaded cylinder is a hollow round tube with a thread inside the cavity that is adapted to the outer wall surface of the worm. The threaded cylinder cavity can be threadedly connected to the outer wall surface of the worm.

[0017] Compared with the prior art, the present invention has the following advantages:

[0018] 1. By setting up a material extraction structure, alloy powder can be injection molded through the cooperation of multiple structures. In this process, only three structures that require electricity are needed, so this solution has low power consumption.

[0019] 2. By setting an adjustment structure, the position of the piston head in the injection chamber can be freely adjusted, which can improve the flexibility of this solution when used.

[0020] The specific embodiments of this utility model will be described in further detail below with reference to the accompanying drawings. Attached Figure Description

[0021] In the attached diagram:

[0022] Figure 1 This is a perspective view of the present utility model;

[0023] Figure 2 This is an exploded perspective view of the sleeve and injection cylinder of this utility model;

[0024] Figure 3 This is an exploded perspective view of the plate and piston head of this utility model;

[0025] Figure 4 This is a perspective view of the combination of the material storage cylinder and the through pipe of this utility model;

[0026] Figure 5 This is a cross-sectional view of the material storage cylinder and the through pipe of this utility model.

[0027] In the diagram: 20. Base plate; 21. Bottom electric cylinder; 22. Storage cylinder; 23. Through pipe; 24. Inclined platform; 25. Sealing plate; 30. Injection cylinder; 31. Through groove; 32. Support; 33. Top electric cylinder; 34. Baffle plate; 35. Sleeve; 36. Clamping block; 37. Groove; 38. Strip plate; 40. Worm gear; 41. Threaded cylinder; 42. Piston head. Detailed Implementation

[0028] To make the objectives, technical solutions, and advantages of the embodiments of this utility model clearer, the technical solutions in the embodiments will be clearly and completely described below with reference to the accompanying drawings. The following embodiments are used to illustrate this utility model.

[0029] like Figure 1 , Figure 2 , Figure 4 and Figure 5 As shown, an axially adjustable injection molding feeding device includes: a base plate 20, which is a rectangular plate; a bottom electric cylinder 21 is fixedly connected to the bottom of the base plate 20; a feeding plate is fixedly connected to the end of the bottom electric cylinder 21; and a circular groove is provided on the wall of the base plate 20 above the feeding plate.

[0030] The storage cylinder 22 is a hollow rectangular cylinder and is fixedly connected to the top of the base plate 20. A through pipe 23 is fixedly connected to the side wall of the storage cylinder 22. The through pipe 23 is a rectangular tube and can communicate with the cavity of the storage cylinder 22. The bottom electric cylinder 21 is electrically connected to the corresponding power supply. The discharge plate can block the circular groove on the wall of the base plate 20. This is existing technology and will not be described in detail here.

[0031] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5 As shown, the material extraction structure is located on the top of the base plate 20 and is used to extract alloy powder from the cavity of the storage cylinder 22. The material extraction structure includes: an injection cylinder 30, a through groove 31, a baffle plate 34, a sleeve 35, a cutting groove 37, and a piston head 42. The injection cylinder 30 is fixedly connected to the top of the base plate 20. The through groove 31 is formed on the side wall of the injection cylinder 30. The baffle plate 34 is fixedly connected to the top of the side wall of the injection cylinder 30. The sleeve 35 is slidably connected to the outer wall of the injection cylinder 30. The cutting groove 37 is formed at the bottom of the sleeve 35. The piston head 42 is slidably connected inside the cavity of the injection cylinder 30. The open end of the through pipe 23 faces the through groove 31.

[0032] like Figure 1 , Figure 2 , Figure 3 , Figure 4 and Figure 5As shown, the syringe 30 is a hollow cylinder with a gradually narrowing bottom. The bottom of the syringe 30 can communicate with the circular groove on the top of the base plate 20. The through groove 31 is a rectangular groove. The bottom end of the through tube 23 can be fixedly connected to the wall of the syringe 30 at the through groove 31. The baffle plate 34 is a rectangular plate located above the through groove 31. The sleeve 35 is a cylindrical tube, and the cavity of the sleeve 35 can be adapted to the outer wall size of the syringe 30. The groove 37 is a rectangular opening with an open bottom. The sleeve 35 is designed to fit the size of the tube 23. A second groove 37 for the baffle plate 34 is provided on the top of the sleeve 35. The two grooves 37 on the wall of the sleeve 35 are symmetrically positioned. The material extraction structure also includes a support 32, a top electric cylinder 33, a locking block 36, a belt plate 38, a ramp 24, and a sealing plate 25. The support 32 is fixedly connected to the top of the injection cylinder 30, the top electric cylinder 33 is fixedly connected to the top of the support 32, the locking block 36 is symmetrically fixedly connected to the top of the sleeve 35, and the belt plate 38 is fixedly connected to the top electric cylinder 34. The bottom extension end of cylinder 33, the inclined platform 24 is fixedly connected to the end opening of the through pipe 23, the sealing plate 25 is fixedly connected to the top side end of the through pipe 23, the bracket 32 ​​is composed of two cylinders at the bottom and a disc at the top, the extension end of the top electric cylinder 33 can pass through the disc on the wall of the bracket 32, the belt plate 38 slides between the symmetrical cylinders on the wall of the bracket 32, the belt plate 38 is a rectangular plate with curved sides, the locking block 36 is a crescent-shaped block, and the wall of the locking block 36 has openings adapted to the curved dimensions of the belt plate 38. The groove and the inclined platform 24 are right-angled triangular blocks with the inclined surface of the inclined platform 24 facing the cavity of the through pipe 23. The sealing plate 25 is a rectangular plate made of rubber. The bottom of the belt plate 38 is provided with an adjustment structure, which includes a worm 40 and a threaded cylinder 41. The worm 40 is fixedly connected to the bottom of the belt plate 38, and the threaded cylinder 41 is sleeved on the outer wall of the worm 40. The bottom of the threaded cylinder 41 can be fixedly connected to the top of the piston head 42, and the threaded cylinder 41 can pass through the top of the injection cylinder 30.

[0033] In practical use, the required alloy powder for injection molding is first added into the cavity of the storage cylinder 22, and then the top of the storage cylinder 22 is sealed. When the alloy powder enters the cavity of the storage cylinder 22, it will accumulate at the bottom of the cavity. At this time, the sleeve 35 will block the end of the through pipe 23 through the groove 37. When it is necessary to remove the powder in the cavity of the storage cylinder 22, the top electric cylinder 33 is first controlled to extend downward. When the top electric cylinder 33 extends, its extension end will drive the belt plate 38, worm gear 40, threaded cylinder 41 and piston head 42 to move downward synchronously. When the belt plate 38 moves to the side wall and engages with the groove of the locking block 36, it can stop moving. At this time, the piston head 42 will... Located at the bottom of the syringe 30 cavity, the top electric cylinder 33 retracts upwards. This retraction of the top electric cylinder 33 drives the belt plate 38, worm gear 40, threaded cylinder 41, and piston head 42 to move upwards. As the belt plate 38 moves upwards, it drives the sleeve 35 upwards via the locking block 36. During the movement of the sleeve 35, two symmetrical rectangular strips installed at the groove 37 for sealing consistently block the front and rear openings at the end of the tube 23. The other groove 37 is abutted by the bottom of the baffle plate 34 as the sleeve 35 moves. Even as the baffle plate 34 abuts the sleeve 35, the belt plate 38 continues to move upwards, but the sleeve 35 will be blocked by the baffle plate 34. The obstruction of 4 causes the locking block 36 and the strip plate 38 to separate. Then, the sleeve 35 will fall due to gravity. During the fall, the sleeve 35 will re-cut the connection between the tube 23 and the injection cylinder 30 through the bottom groove 37. When the sleeve 35 moves upward, the groove 31 will connect with the end of the tube 23. The powder in the storage cylinder 22 will be drawn to the bottom of the injection cylinder 30 by the upward-moving piston head 42 due to the connection between the tube 23 and the injection cylinder 30. When the sleeve 35 cuts off the connection between the tube 23 and the injection cylinder 30 and the top electric cylinder 33 is fully retracted, the top electric cylinder 33 will extend downward. As the top electric cylinder 33 extends, it can drive... The piston head 42 moves downwards from the top of the injection cylinder 30 cavity. At this time, the bottom electric cylinder 21 retracts, which opens the circular groove on the wall of the bottom plate 20. The alloy powder in the injection cylinder 30 cavity passes through the wall of the bottom plate 20 and is injected downwards onto the outer mold. This process can be repeated. When it is necessary to fine-tune the position of the piston head 42 in the injection cylinder 30 cavity, the threaded cylinder 41 is rotated. The threaded cylinder 41 will drive the piston head 42 to move in the injection cylinder 30 cavity because it is threaded with the wall of the worm gear 40. When it moves to the desired position, the rotation of the threaded cylinder 41 is stopped. A heater for heating and plasticizing the alloy powder is installed in the cavity of the injection cylinder 30.

[0034] In summary, by setting up a material extraction structure, alloy powder injection molding can be achieved through the cooperation of multiple structures. Moreover, only three electrically powered structures are required in this process, so this solution has low power consumption.

[0035] like Figure 3As shown, the worm 40 is a threaded column, and the threaded cylinder 41 is a hollow round tube. The threaded cylinder 41 has a thread inside that is adapted to the outer wall surface of the worm 40, and the threaded cylinder 41 can be threadedly connected to the outer wall surface of the worm 40.

[0036] In actual use, the threaded cylinder 41 is rotated. The threaded cylinder 41 will drive the piston head 42 to move in the cavity of the injection cylinder 30 because it is engaged with the thread on the wall of the worm 40. When it moves to the desired position, the rotation of the threaded cylinder 41 can be stopped.

[0037] In summary, by setting an adjustment structure, the position of the piston head 42 within the injection cylinder 30 can be freely adjusted, which can improve the flexibility of this solution during use.

[0038] Working principle: The alloy powder to be injection molded is added into the cavity of the storage cylinder 22, and then the top of the storage cylinder 22 is sealed. When the alloy powder enters the cavity of the storage cylinder 22, it will accumulate at the bottom of the cavity. At this time, the sleeve 35 will block the end of the through pipe 23 through the groove 37. When it is necessary to extract the powder in the cavity of the storage cylinder 22, the top electric cylinder 33 is first controlled to extend downward. When the top electric cylinder 33 extends, its extension end will drive the belt plate 38, worm gear 40, threaded cylinder 41 and piston head 42 to move downward synchronously. As the belt plate 38 moves to the side... The movement stops when the wall surface and the groove of the locking block 36 are engaged. At this time, the piston head 42 will be located at the bottom of the injection cylinder 30 cavity. Then, the top electric cylinder 33 will retract upwards. As the top electric cylinder 33 retracts, it can drive the belt plate 38, worm gear 40, threaded cylinder 41 and piston head 42 to move upwards. When the belt plate 38 moves upwards, it will drive the sleeve 35 to move upwards through the locking block 36. When the sleeve 35 moves, two mutually symmetrical rectangular strips installed at the groove 37 can always block the front and rear openings at the end of the tube 23. As the sleeve 35 moves, it will be pressed against the bottom of the baffle plate 34. While the baffle plate 34 presses against the sleeve 35, the strip plate 38 will still move upwards. However, due to the obstruction of the baffle plate 34, the sleeve 35 will separate from the locking block 36 and the strip plate 38. Then, the sleeve 35 will fall due to gravity. During its fall, the sleeve 35 will re-cut off the connection between the tube 23 and the injection cylinder 30 through the bottom groove 37. As the sleeve 35 moves upwards, the groove 31 will connect with the end of the tube 23, and the powder in the storage cylinder 22 will be released due to the tube 23. The piston head 42, which is connected to the injection cylinder 30 and moves upward, is drawn to the bottom of the cavity of the injection cylinder 30 and accumulates. When the sleeve 35 cuts off the connection between the tube 23 and the injection cylinder 30 and the top electric cylinder 33 is fully retracted, the top electric cylinder 33 will extend downward. As the top electric cylinder 33 extends, it can drive the piston head 42, which is at the top of the cavity of the injection cylinder 30, to move downward. At this time, controlling the bottom electric cylinder 21 to retract can open the circular groove on the wall of the bottom plate 20. The alloy powder in the cavity of the injection cylinder 30 will pass through the wall of the bottom plate 20 and be injected downward onto the outer mold.

[0039] It is understood that this utility model has been described through some embodiments, and those skilled in the art will recognize that various changes or equivalent substitutions can be made to these features and embodiments without departing from the spirit and scope of this utility model. Furthermore, under the teachings of this utility model, these features and embodiments can be modified to adapt to specific situations and materials without departing from the spirit and scope of this utility model. Therefore, this utility model is not limited to the specific embodiments disclosed herein, and all embodiments falling within the scope of the claims of this application are within the protection scope of this utility model.

Claims

1. An axially adjustable injection molding charge device characterized by, include: The bottom plate (20) is a rectangular plate. The bottom of the bottom plate (20) is fixedly connected to the bottom electric cylinder (21). The end of the bottom electric cylinder (21) is fixedly connected to the feeding plate. A circular groove is opened on the wall of the bottom plate (20) above the feeding plate. Storage cylinder (22) is a hollow rectangular cylinder. Storage cylinder (22) is fixedly connected to the top of the base plate (20). A through pipe (23) is fixedly connected to the side wall of storage cylinder (22). The through pipe (23) is a rectangular pipe and can communicate with the cavity of storage cylinder (22). The material extraction structure is set on the top of the base plate (20) to extract alloy powder in the cavity of the storage cylinder (22). The material extraction structure includes: injection cylinder (30), through groove (31), baffle plate (34), sleeve (35), cutting groove (37) and piston head (42). The injection cylinder (30) is fixedly connected to the top of the base plate (20). The through groove (31) is opened on the side wall of the injection cylinder (30). The baffle plate (34) is fixedly connected to the top of the side wall of the injection cylinder (30). The sleeve (35) is slidably connected to the outer wall of the injection cylinder (30). The cutting groove (37) is opened at the bottom of the sleeve (35). The piston head (42) is slidably connected in the cavity of the injection cylinder (30). The open end of the through pipe (23) faces the through groove (31).

2. An axially adjustable injection molding charge device according to claim 1, wherein, The syringe (30) is a hollow cylinder with a gradually narrowing bottom. The bottom of the syringe (30) can communicate with the circular groove opened on the top of the base plate (20). The through groove (31) is a rectangular groove. The bottom end of the through tube (23) can be fixedly connected to the wall of the syringe (30) at the through groove (31). The baffle plate (34) is a rectangular plate and is located above the through groove (31).

3. An axially adjustable injection molding charge device according to claim 1 wherein, The sleeve (35) is in the shape of a cylindrical tube. The cavity of the sleeve (35) can be adapted to the outer wall size of the injection tube (30). The groove (37) is a rectangular groove with an open bottom. The groove (37) can be adapted to the size of the tube (23). The top of the sleeve (35) is provided with a second groove (37) adapted to the baffle plate (34). The two grooves (37) on the wall of the sleeve (35) are symmetrical to each other.

4. An axially adjustable injection molding charge device according to claim 1 wherein, The material extraction structure also includes a bracket (32), a top electric cylinder (33), a locking block (36), a belt plate (38), a ramp (24), and a sealing plate (25). The bracket (32) is fixedly connected to the top of the injection cylinder (30), the top electric cylinder (33) is fixedly connected to the top of the bracket (32), the locking block (36) is symmetrically fixedly connected to the top of the sleeve (35), the belt plate (38) is fixedly connected to the bottom extension end of the top electric cylinder (33), the ramp (24) is fixedly connected to the end opening of the through pipe (23), and the sealing plate (25) is fixedly connected to the top of the side end of the through pipe (23).

5. An axially adjustable injection molding charge device according to claim 4 wherein, The bracket (32) consists of two cylinders at the bottom and a disc at the top. The extension end of the top electric cylinder (33) can pass through the disc on the wall of the bracket (32). The belt plate (38) slides between the symmetrical cylinders on the wall of the bracket (32). The belt plate (38) is a rectangular plate with arc surfaces on both sides. The locking block (36) is a crescent-shaped block. The wall of the locking block (36) has a groove that matches the arc surface size of the belt plate (38). The inclined platform (24) is a right-angled triangular block. The inclined surface of the inclined platform (24) faces the cavity of the through pipe (23). The sealing plate (25) is a rectangular plate. The material of the sealing plate (25) is rubber.

6. An axially adjustable injection molding charge device as defined in claim 4 wherein, The bottom of the belt plate (38) is provided with an adjustment structure, which includes a worm (40) and a threaded cylinder (41). The worm (40) is fixedly connected to the bottom of the belt plate (38), and the threaded cylinder (41) is sleeved on the outer wall of the worm (40). The bottom of the threaded cylinder (41) can be fixedly connected to the top of the piston head (42), and the threaded cylinder (41) can pass through the top of the injection cylinder (30).

7. An axially adjustable injection molding charge device according to claim 6 wherein, The worm (40) is a threaded column, and the threaded cylinder (41) is a hollow round tube. The threaded cylinder (41) has a thread inside that is adapted to the outer wall of the worm (40), and the threaded cylinder (41) can be threadedly connected to the outer wall of the worm (40).

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