Wax injection device of wax injection machine
By using displacement sensors and pressure sensors to control the stroke speed and pressure speed of the wax injection cylinder in the wax injection device of the wax injection machine, the problem that the existing wax injection device of the wax injection machine cannot guarantee the accuracy of the initial input volume is achieved, and accuracy is achieved Control the speed and amount of wax injection to reduce the effect of wasting wax materials.
Patent Information
- Application Number
- CN202421216206.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-05-30
- Publication Date
- 2025-02-14
- Estimated Expiration
- 2034-05-30
AI Technical Summary
The existing wax injection machines mostly use a single oil cylinder for inhalation and injection, which cannot ensure the accuracy of the initial intake.
A wax injection device for a wax injection machine is designed, using an internal hollow mounting housing, and the rear end is connected to the wax injection cylinder. The rear end of the wax injection cylinder has a displacement sensor and a pressure sensor. By controlling the stroke speed and pressure speed of the hydraulic cylinder, it is Control the speed and amount of wax injection.
By controlling the stroke speed and pressure speed of the wax injection cylinder, the speed and amount of wax injection can be accurately controlled to reduce the waste of wax material.
Smart Images
Figure CN222470630U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of wax injection machines, in particular to a wax injection device of a wax injection machine. Background Art
[0002] The wax injection machine is a widely used equipment in the foundry industry, mainly used to make wax molds or wax patterns. The working principle of the wax injection machine is to extract liquid wax from the wax material box, enter the liquid injection system after heating, and then inject the liquid wax into the mold through the liquid injection system, and finally form a wax pattern that is almost identical to the part. However, the wax injection device of the existing wax injection machine is mostly sucked and injected through a single oil cylinder, and it is difficult to ensure the accuracy of the initial injection amount. Therefore, a wax injection device of the wax injection machine is designed to solve the above problem. Utility Model Content
[0003] 1. Technical issues to be resolved
[0004] In view of the deficiencies in the prior art, the utility model provides a wax injection device for a wax injection machine, which solves the problem that the wax injection devices of the prior wax injection machines mostly use one oil cylinder for suction and injection and cannot ensure accuracy.
[0005] (II) Technical solution
[0006] In order to achieve the above objectives, the present invention is implemented through the following technical solutions:
[0007] The utility model provides a wax injection device of a wax injection machine, comprising: an internally hollow mounting shell, the rear end of the mounting shell is connected to an internally hollow wax injection cylinder, the rear end of the wax injection cylinder extends to the rear end of the mounting shell, the rear end of the wax injection cylinder and located on the rear surface of the mounting shell are connected to a wax injection cylinder mounting block, the rear end of the wax injection cylinder mounting block is connected to a wax injection cylinder oil cylinder, the left side of the front end of the wax injection cylinder is connected to an injection pipe, the right side of the front end of the wax injection cylinder is connected to a suction pipe, the injection pipe and the suction pipe are both connected to a coaxial valve, the suction pipe is connected to the suction pipe in the suction pipe and located at the front end of the coaxial valve, the right side of the mounting shell is connected to the internal hollow and right A material storage barrel with an opening at one end, one end of the suction pipe is connected to the material storage barrel, a feed pipe is connected to the front end of the left side of the material storage barrel, the feed pipe extends to the inside of the installation shell, the other end of the feed pipe extends to the lower end of the installation shell, a coaxial valve is also connected in the feed pipe, a stirring motor mounting seat is connected to the right side of the material storage barrel, a stirring rod is connected to the inside of the stirring motor mounting seat, the stirring rod extends to the inside of the material storage barrel, a displacement sensor is connected to the middle of the rear end of the wax injection cylinder, the front end of the displacement sensor extends to the front end of the wax injection cylinder, and a pressure sensor is connected to the rear surface of the wax injection cylinder and located at the front end of the displacement sensor.
[0008] Preferably, the outside of the material storage barrel is connected to a material storage barrel shell, a heat dissipation pipe is arranged inside the material storage barrel shell, and cooling water pipe connecting ports are connected to the left and right sides of the upper surface of the material storage barrel shell, and the cooling water pipe connecting ports are communicated with the heat dissipation pipe.
[0009] Preferably, the front end of the suction pipe is connected to an air intake pipe, and the upper end of the air intake pipe is connected to a ball valve.
[0010] Preferably, a thermocouple is installed outside the storage barrel, and a connection port of the thermocouple extends to the outside of the storage barrel shell.
[0011] Preferably, the stirring blades of the stirring rod are connected to the stirring rod body by bolts.
[0012] Preferably, the upper and lower ends of the right sides of the front and rear ends of the wax injection cylinder are connected with reinforcement brackets, and the right side of the reinforcement bracket is fixedly connected to the mounting shell.
[0013] Preferably, the wax injection cylinder, injection pipe, suction pipe, suction pipe, and storage barrel are all made of stainless steel.
[0014] (III) Beneficial effects
[0015] The utility model provides a wax injection device for a wax injection machine, which has at least the following beneficial effects compared with the prior art:
[0016] The wax injection device of the wax injection machine has a displacement sensor and a pressure sensor on the rear wax injection cylinder. The speed and amount of wax injection can be controlled by controlling the stroke speed and pressure speed of the hydraulic cylinder, thereby reducing the waste of wax. BRIEF DESCRIPTION OF THE DRAWINGS
[0017] Figure 1 It is a schematic diagram of the structure of the utility model;
[0018] Figure 2 It is a cross-sectional view of the utility model;
[0019] Figure 3 It is the front view of the utility model;
[0020] Figure 4 It is a partial enlarged view of the utility model.
[0021] In the figure: 1. Installation shell; 2. Wax injection cylinder; 3. Wax injection cylinder mounting block; 4. Wax injection cylinder oil cylinder; 5. Injection pipe; 6. Suction pipe; 7. Coaxial valve; 8. Suction pipe; 9. Storage barrel; 10. Feed pipe; 11. Stirring motor mounting base; 12. Stirring rod; 13. Displacement sensor; 14. Pressure sensor; 21. Storage barrel shell; 22. Cooling water pipe connection port; 23. Intake pipe; 24. Ball valve; 25. Thermocouple; 26. Reinforcement bracket. DETAILED DESCRIPTION
[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.
[0023] See also Figure 1-4 The utility model provides a technical solution: a wax injection device of a wax injection machine, comprising: an internally hollow mounting shell 1, a hollow wax injection cylinder 2 is connected to the rear end of the mounting shell 1, the rear end of the wax injection cylinder 2 extends to the rear end of the mounting shell 1, a wax injection cylinder mounting block 3 is connected to the rear end of the wax injection cylinder 2 and is located on the rear surface of the mounting shell 1, a wax injection cylinder oil cylinder 4 is connected to the rear end of the wax injection cylinder 2, an injection pipe 5 is connected to the left side of the front end of the wax injection cylinder 2, a suction pipe 6 is connected to the right side of the front end of the wax injection cylinder 2, a coaxial valve 7 is connected to the injection pipe 5 and the suction pipe 6, a suction pipe 8 is connected to the suction pipe 6 and is located in the front end of the coaxial valve 7, and the right side of the mounting shell 1 is connected to a hollow interior and open at the right end. A material storage barrel 9, one end of the suction pipe 8 is connected to the material storage barrel 9, a feed pipe 10 is connected to the front end of the left side of the material storage barrel 9, the feed pipe 10 extends to the inside of the mounting shell 1, the other end of the feed pipe 10 extends to the lower end of the mounting shell 1, a coaxial valve 7 is also connected in the feed pipe 10, a stirring motor mounting seat 11 is connected to the right side of the material storage barrel 9, a stirring rod 12 is connected to the inside of the stirring motor mounting seat 11, the stirring rod 12 extends to the inside of the material storage barrel 9, a displacement sensor 13 is connected to the middle of the rear end of the wax injection cylinder 4, the front end of the displacement sensor 13 extends to the front end of the wax injection cylinder 4, a pressure sensor 14 is connected to the rear surface of the wax injection cylinder 4 and located at the front end of the displacement sensor 13.
[0024] When in use, the right side of the stirring motor mounting seat 11 is connected to the stirring motor, the output end of the stirring motor is connected to the stirring rod 12, and the stirring motor is sealed and connected to the storage barrel 9, the suction pipe 8 is fixedly connected to the left rear end of the storage barrel 9, the feeding pipe 10 is connected to the barrel, and the lower end of the injection pipe 5 is connected to the mold, the coaxial valve 7 in the injection pipe 5 is closed, and the coaxial valve 7 in the suction pipe 6 and the feeding pipe 10 is opened at the same time, the wax injection cylinder 4 retracts, which will form a negative pressure inside the wax injection cylinder 2, and the inside of the storage barrel 9 The wax material is sucked into the wax injection cylinder 2, and negative pressure is formed inside the storage barrel 9. The wax material inside the barrel is sucked into the storage barrel 9 through the feed pipe 10. At the same time, the stirring motor drives the stirring rod 12 to rotate, and the wax material inside the storage barrel 9 is stirred and mixed. When it needs to be injected into the mold, the coaxial valve 7 in the suction pipe 6 is closed, the coaxial valve 7 in the injection pipe 5 is opened, and the wax injection cylinder 4 is started. The wax material inside the wax injection cylinder 2 can be squeezed into the mold through the injection pipe 5 to complete the injection molding. During the suction and injection process, the displacement sensor 13 and the pressure sensor 14 at the rear end of the wax injection cylinder 4 can control the stroke speed and pressure speed of the wax injection cylinder 4, thereby controlling the speed and amount of wax injection, thereby reducing the waste of wax material.
[0025] like Figure 1-3 As shown, an embodiment of the utility model provides an implementation method. Based on the above implementation method, the storage barrel 9 is externally connected to a storage barrel shell 21, a heat dissipation pipe is arranged inside the storage barrel shell 21, and cooling water pipe connection ports 22 are connected to the left and right sides of the upper surface of the storage barrel shell 21, and the cooling water pipe connection ports 22 are connected to the heat dissipation pipe.
[0026] From the analysis of the above structure, it can be seen that the cooling water pipe connection port 22 is connected to the water pipe. When the storage barrel 9 needs to be cooled, the water valve of the water pipe is started, and water will enter the heat dissipation pipe inside the storage barrel shell 21 through the cooling water pipe connection port 22, thereby absorbing heat and cooling the storage barrel 9.
[0027] like Figure 1-4 As shown, the embodiment of the utility model provides an implementation method. Based on the above implementation method, the front end of the suction pipe 6 is connected to the air intake pipe 23, and the upper end of the air intake pipe 23 is connected to the ball valve 24.
[0028] From the analysis of the above structure, it can be known that when it is necessary to control the amount of material inside the storage barrel 9, the coaxial valve 7 in the injection pipe 5 is closed, the ball valve 24 and the coaxial valve 7 in the suction pipe 6 are opened, the wax injection cylinder 4 is started, and after air is sucked in through the air intake pipe 23, the ball valve 24 is closed, and the wax injection cylinder 4 is started to inject air into the storage barrel 9, thereby changing the amount of wax material inside the storage barrel 9.
[0029] like Figure 1-3As shown, the embodiment of the utility model provides an implementation method. Based on the above implementation method, a thermocouple 25 is installed outside the storage barrel 9, and the connection port of the thermocouple 25 extends to the outside of the storage barrel shell 21.
[0030] From the analysis of the above structure, it can be known that by starting the heating thermocouple 25, the storage barrel 9 can be heated to ensure the temperature inside the storage barrel 9 and to ensure that the wax material is always in a molten state.
[0031] like Figure 1-2 As shown, the embodiment of the utility model provides an implementation method. Based on the above implementation method, the stirring blades of the stirring rod 12 are connected to the main body of the stirring rod 12 by bolts.
[0032] From the analysis of the above structure, it can be seen that when the stirring rod 12 is installed, after adjusting the angle of the stirring blade, the bolt is tightened to fix the angle of the stirring blade.
[0033] like Figure 1-4 As shown, an embodiment of the utility model provides an implementation method. Based on the above implementation method, the upper and lower ends of the right side of the front and rear ends of the wax injection cylinder 2 are connected with reinforcement brackets 26, and the right side of the reinforcement bracket 26 is fixedly connected to the mounting shell 1.
[0034] From the analysis of the above structure, it can be known that the reinforcing bracket 26 is connected to the mounting housing 1 by bolts to assist in fixing the wax injection cylinder 2 and enhance the stability of the wax injection cylinder 2.
[0035] like Figure 1-4 As shown, the embodiment of the utility model provides an implementation method. Based on the above implementation method, the wax injection cylinder 2, injection pipe 5, suction pipe 6, suction pipe 8, and storage barrel 9 are all made of stainless steel.
[0036] From the analysis of the above structure, it can be seen that stainless steel has good corrosion resistance. The wax injection cylinder 2, injection pipe 5, suction pipe 6, suction pipe 8, and storage barrel 9 can ensure the smoothness of the inner wall and prevent wax from remaining inside the wax injection cylinder 2, injection pipe 5, suction pipe 6, suction pipe 8, and storage barrel 9.
[0037] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.
[0038] 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. A wax injection device for a wax injection machine, characterized in that: include: The mounting shell (1) is hollow inside, the rear end of the mounting shell (1) is connected to a wax injection cylinder (2) which is hollow inside, the rear end of the wax injection cylinder (2) extends to the rear end of the mounting shell (1), the rear end of the wax injection cylinder (2) and located on the rear surface of the mounting shell (1) is connected to a wax injection cylinder mounting block (3), the rear end of the wax injection cylinder mounting block (3) is connected to a wax injection cylinder oil cylinder (4), the left side of the front end of the wax injection cylinder (2) is connected to an injection pipe (5), the right side of the front end of the wax injection cylinder (2) is connected to a suction pipe (6), the injection pipe (5) and the suction pipe (6) are both connected in the pipeline, the suction pipe (6) is connected in the pipeline and located at the front end of the coaxial valve (7) is connected to a suction pipe (8), the right side of the mounting shell (1) is connected to a material storage barrel (9) which is hollow inside and has an opening at the right end, one end of the suction pipe (8) is connected to the injection pipe (5), and the suction pipe (6) is connected to the injection pipe (5) and the suction pipe (6). The material storage barrel (9) is connected to a material feeding pipe (10) at the front end of the left side of the material storage barrel (9), and the material feeding pipe (10) extends to the inside of the mounting shell (1). The other end of the material feeding pipe (10) extends to the lower end of the mounting shell (1). The material feeding pipe (10) is also connected to a coaxial valve (7). The material storage barrel (9) is connected to a stirring motor mounting seat (11) at the right side, and a stirring rod (12) is connected to the inside of the stirring motor mounting seat (11), and the stirring rod (12) extends to the inside of the material storage barrel (9). A displacement sensor (13) is connected to the middle of the rear end of the wax injection cylinder (4), and the front end of the displacement sensor (13) extends to the front end of the wax injection cylinder (4). A pressure sensor (14) is connected to the rear surface of the wax injection cylinder (4) and located at the front end of the displacement sensor (13).
2. The wax injection device of a wax injection machine according to claim 1, characterized in that: The storage barrel (9) is externally connected to a storage barrel shell (21), a heat dissipation pipeline is provided inside the storage barrel shell (21), and cooling water pipe connection ports (22) are connected to the left and right sides of the upper surface of the storage barrel shell (21), and the cooling water pipe connection ports (22) are in communication with the heat dissipation pipeline.
3. The wax injection device of a wax injection machine according to claim 1, characterized in that: The front end of the suction pipe (6) is connected to an air intake pipe (23), and the upper end of the air intake pipe (23) is connected to a ball valve (24).
4. The wax injection device of a wax injection machine according to claim 2, characterized in that: A thermocouple (25) is installed outside the material storage barrel (9), and a connection port of the thermocouple (25) extends to the outside of the material storage barrel shell (21).
5. The wax injection device of a wax injection machine according to claim 1, characterized in that: The stirring blades of the stirring rod (12) are connected to the stirring rod (12) body via bolts.
6. The wax injection device of a wax injection machine according to claim 1, characterized in that: The upper and lower ends of the right sides of the front and rear ends of the wax injection cylinder (2) are connected to reinforcement brackets (26), and the right side of the reinforcement bracket (26) is fixedly connected to the mounting shell (1).
7. The wax injection device of a wax injection machine according to claim 1, characterized in that: The wax injection cylinder (2), the injection pipe (5), the suction pipe (6), the suction pipe (8), and the material storage barrel (9) are all made of stainless steel.