Forming die for water tank fitting of breathing machine

Abstract

The utility model relates to the field of dies, in particular to a breathing machine water tank accessory forming die. The problems that in the prior art, material taking and demolding are troublesome after mold closing, the cooling function is not achieved during shaping, and the machining speed of water tank accessories is low are solved. By arranging the demolding assembly, after the water tank accessory is formed, a push rod can push a formed module to be separated from a first forming mold under the elasticity of a first spring, then an eccentric wheel is driven by a motor to rotate, a demolding rod is pushed to separate the formed module from a fixed module, and rapid demolding is achieved; and raw materials in the first forming mold can be cooled through cooling water in the cooling pipe, raw material forming is accelerated, and then the forming speed of the water tank accessory is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of molds, in particular to a forming mold for a ventilator water tank accessory. Background Art

[0002] In modern clinical medicine, ventilators, as a product that can artificially replace the autonomous ventilation function, have been widely used in respiratory failure caused by various reasons, anesthesia respiratory management during major surgery, respiratory support therapy and emergency resuscitation. They occupy a very important position in the field of modern medicine. The water tank is an important component of the ventilator, which is used to humidify and heat the gas delivered to the patient to improve the patient's comfort and treatment effect. Most of the existing plastic accessories of the water tank are shaped by molds. In the existing plastic processing molds, it is more troublesome to take the material after the mold is closed, and there is no cooling function during shaping, so the plastic in the mold is formed very slowly and inefficiently, which affects the work efficiency. Utility Model Content

[0003] (1) Technical issues to be solved

[0004] In order to solve the problem that it is troublesome to remove materials and demould after mold closing in the prior art, and there is no cooling function during shaping, which makes the processing speed of water tank accessories slow.

[0005] (2) Technical solution

[0006] The technical solution of the utility model is: a forming mold for a ventilator water tank accessory, comprising a fixing frame and a first forming mold fixed on one side of the fixing frame, a cylinder is fixedly connected inside the fixing frame, a moving seat is fixedly connected to the output end of the cylinder, a second forming mold is fixedly connected to the surface of the moving seat close to the first forming mold, and a demoulding component is arranged on the surface of the first forming mold;

[0007] The demoulding assembly includes a fixed module, a demoulding rod, a second spring, a movable plate, a motor and an eccentric wheel. The fixed module is fixedly connected to the surface of the second molding mold. A mold cavity is provided on the surface of the first molding mold close to the fixed module. A plurality of groups of demoulding rods are slidably connected to the side of the second molding mold close to the fixed module. The movable plate is fixedly connected to one end of the demoulding rod surface close to the movable seat. A second spring is sleeved on the surface of the demoulding rod. Both ends of the second spring are respectively in contact with the movable plate and the second molding mold. The motor is fixedly connected to the side of the movable seat surface close to the movable plate. The eccentric wheel is fixedly connected to the output end of the motor, and the eccentric wheel slides on the surface of the movable plate.

[0008] Preferably, the movable seat is pushed to move by starting the cylinder, and the second molding mold is driven to fit with the first molding mold through the movable seat, and then the molten plastic raw material is injected into the mold cavity through the injection head, and the fixed module is used to cooperate with the first molding mold for molding. After the water tank accessories are formed, the second molding mold and the first molding mold are separated by starting the cylinder, and then the motor is started to drive the eccentric wheel to rotate, and then the side of the eccentric wheel will push the movable plate to move, and the molding module and the fixed module are pushed to separate through the demolding rod to achieve rapid demolding.

[0009] Furthermore, the cross section of the demoulding rod is T-shaped, and an insertion groove is provided on the side of the surface of the fixed module close to the demoulding rod to ensure the flatness of the accessory molding accessory.

[0010] Furthermore, guide rods are fixedly connected to the four corners of the surface of the second molding die, and a sliding groove is provided on one side of the first molding die close to the guide rods. The movement of the second molding die is guided by the guide rods to improve the stability of the movement of the second molding die.

[0011] Furthermore, a push rod is slidably connected inside the first molding die, a spring is fixedly connected between the push rod and the first molding die, and a fixed block is fixedly connected to one side of the fixed module surface close to the push rod, so as to facilitate pushing the molding accessory out of the first molding die.

[0012] Furthermore, an injection head is fixedly installed on the side of the first molding die, and the molten raw material can be injected into the interior of the die through the injection head.

[0013] Furthermore, a cooling assembly is provided inside the first molding die, and the cooling assembly includes a cooling pipe, a connecting pipe, a water tank, a submersible pump and a cooling box. A cooling pipe is fixedly installed on one side of the first molding die close to the mold cavity, and a water tank is fixedly connected to the side of the first molding die. A submersible pump is installed inside the water tank, and the output end of the submersible pump is connected to the cooling pipe through a connecting pipe. The bottom end of the cooling pipe is connected to the cooling box, and one end of the cooling box is connected to the inside of the water tank. The cooling water inside the cooling pipe can cool the raw materials inside the first molding die, thereby accelerating the molding of the raw materials.

[0014] Furthermore, a plurality of groups of cooling fins are fixedly mounted on the surface of the cooling box, and the cooling fins can accelerate the cooling of cooling water passing through the cooling box.

[0015] (3) Beneficial effects

[0016] Compared with the prior art, the beneficial effect of the utility model lies in: by setting a demoulding component, after the water tank accessories are formed, the push rod will be pushed by the elastic force of spring 1 to separate the formed module from the first forming mold, and then the eccentric wheel is driven by the motor to rotate, and the demoulding rod is pushed to separate the formed module from the fixed module, thereby achieving rapid demoulding. The cooling water inside the cooling pipe can cool the raw materials inside the first forming mold, accelerate the forming of the raw materials, and thereby improve the forming rate of the water tank accessories. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 What is shown is a schematic diagram of the overall structure of the utility model;

[0018] Figure 2 Shown is a schematic diagram of the structure of the injection head and the guide rod in the utility model;

[0019] Figure 3 Shown is a cross-sectional view of the first molding die in the utility model;

[0020] Figure 4 The utility model is shown in Figure 4 The enlarged view of point A in the middle;

[0021] Figure 5 Shown is a cross-sectional view of the movable seat in the utility model;

[0022] Figure 6 What is shown is a schematic diagram of the structure of the cooling pipe and the connecting pipe in the utility model.

[0023] Explanation of the reference numerals: 1-fixed frame, 2-first molding die, 3-demolding assembly, 31-injection head, 32-guide rod, 33-fixed module, 34-fixed block, 35-push rod, 36-spring one, 37-demolding rod, 38-spring two, 39-movable plate, 310-motor, 311-eccentric wheel, 4-cooling assembly, 41-cooling pipe, 42-connecting pipe, 43-water tank, 44-submersible pump, 45-cooling box, 46-cooling fins, 5-second molding die, 6-movable seat, 7-cylinder. DETAILED DESCRIPTION

[0024] The utility model is further described below in conjunction with the accompanying drawings and embodiments.

[0025] Embodiment 1:

[0026] See also Figure 1-6The utility model provides an embodiment: a forming mold for a ventilator water tank accessory, comprising a fixing frame 1 and a first forming mold 2 fixed on one side of the fixing frame 1, a cylinder 7 is fixedly connected to the inside of the fixing frame 1, a moving seat 6 is fixedly connected to the output end of the cylinder 7, a second forming mold 5 is fixedly connected to the surface of the moving seat 6 close to the first forming mold 2, and a demoulding component 3 is arranged on the surface of the first forming mold 2;

[0027] The demoulding assembly 3 includes a fixed module 33, a demoulding rod 37, a second spring 38, a movable plate 39, a motor 310 and an eccentric wheel 311. The surface of the second molding die 5 is fixedly connected with the fixed module 33. A mold cavity is provided on the surface of the first molding die 2 near the fixed module 33. A plurality of groups of demoulding rods 37 are slidably connected on the side of the second molding die 5 near the fixed module 33. The surface of the demoulding rod 37 near the movable seat 6 is fixedly connected with the movable plate 39. The surface of the demoulding rod 37 is sleeved with a second spring 38. The two ends of the second spring 38 are respectively in conflict with the movable plate 39 and the second molding die 5. The surface of the movable seat 6 near the movable plate 39 is fixedly connected with the motor 310. The output end of the motor 310 is fixedly connected to the movable plate 39. The fixed connection is provided with an eccentric wheel 311, and the eccentric wheel 311 slides on the surface of the movable plate 39. When the mold is in use, the movable seat 6 is pushed to move by starting the cylinder 7, and the second molding mold 5 is driven to fit with the first molding mold 2 through the movable seat 6, and then the molten plastic raw material is injected into the mold cavity through the injection head 31, and the fixed module 33 is used to cooperate with the first molding mold 2 for molding. After the water tank accessories are molded, the second molding mold 5 and the first molding mold 2 are driven to separate by starting the cylinder 7, and then the motor 310 is started to drive the eccentric wheel 311 to rotate, and then the side of the eccentric wheel 311 will push the movable plate 39 to move, and the molding module is pushed to separate from the fixed module 33 through the demolding rod 37 to achieve rapid demolding.

[0028] Embodiment 2:

[0029] See also Figure 1-6In this embodiment, the cross section of the demoulding rod 37 is T-shaped, and an insertion groove is provided on the surface of the fixed module 33 near the demoulding rod 37. The four corners of the surface of the second molding mold 5 are fixedly connected with guide rods 32, and a sliding groove is provided on the side of the first molding mold 2 near the guide rod 32. A push rod 35 is slidably connected inside the first molding mold 2, and a spring 36 is fixedly connected between the push rod 35 and the first molding mold 2. A fixed block 34 is fixedly connected on the side of the fixed module 33 near the push rod 35, and an injection head 31 is fixedly installed on the side of the first molding mold 2. The demoulding rod 37 can be accommodated through the insertion groove on the surface of the fixed module 33 and flush with the fixed module 33 to ensure the accessories. The molding accessories are flat. When the second molding mold 5 moves, the guide rod 32 will slide inside the first molding mold 2 to guide the movement of the second molding mold 5, thereby improving the stability of the movement of the second molding mold 5 and ensuring that the second molding mold 5 is aligned and fitted with the first molding mold 2 to avoid leakage of the injection molding liquid. When the second molding mold 5 and the first molding mold 2 are closed, the fixing block 34 will squeeze the push rod 35 to be flush with the inner groove of the first molding mold 2 and squeeze the spring 1 36 to contract. When the second molding mold 5 and the first molding mold 2 are separated, the push rod 35 will be subject to the elastic force of the spring 1 36 to push the molding accessories out of the first molding mold 2, thereby improving the convenience of demoulding.

[0030] The cooling assembly 4 is provided inside the first molding die 2. The cooling assembly 4 includes a cooling pipe 41, a connecting pipe 42, a water storage tank 43, a submersible pump 44 and a cooling box 45. The cooling pipe 41 is fixedly installed on one side of the first molding die 2 near the mold cavity. The side of the first molding die 2 is fixedly connected to the water storage tank 43. The submersible pump 44 is installed inside the water storage tank 43. The output end of the submersible pump 44 is connected to the cooling pipe 41 through the connecting pipe 42. The bottom end of the cooling pipe 41 is connected to the cooling box 45, and one end of the cooling box 45 is connected to the inside of the water storage tank 43. The surface of the cooling box 45 is fixedly installed with a plurality of cooling units. The cooling fins 46 are provided. During the injection molding process, the cooling water in the cooling tube 41 will flow into the water tank 43 due to gravity, so as to prevent the cooling water from affecting the molding effect of the injection liquid in the first molding mold 2. After the injection molding is completed, the submersible pump 44 is started to transport the cooling water in the water tank 43 to the cooling tube 41 through the connecting tube 42. The raw materials in the first molding mold 2 are cooled by the cooling tube 41, so as to accelerate the molding of the raw materials and improve the processing rate of the water tank accessories. The cooling water after absorbing the heat will flow back into the water tank 43 through the cooling box 45, and the cooling of the cooling water passing through the cooling box 45 can be accelerated through the cooling fins 46, so as to facilitate the reuse of the cooling water.

[0031] Through the above steps, after the water tank accessories are formed, the push rod 35 will be pushed by the elastic force of the spring 36 to separate the formed module from the first forming mold 2, and then the eccentric wheel 311 will be driven to rotate by the motor 310, and the demolding rod 37 will be pushed to separate the formed module from the fixed module 33 to achieve rapid demolding. The cooling water inside the cooling pipe 41 can cool the raw materials inside the first forming mold 2, accelerate the molding of the raw materials, and thereby improve the molding rate of the water tank accessories.

[0032] The embodiments of the present invention are described in detail above in conjunction with the accompanying drawings, but the present invention is not limited to the above embodiments, and various changes can be made within the knowledge scope of those skilled in the art without departing from the purpose of the present invention.

Claims

1. A forming die for a ventilator water tank accessory, comprising a fixing frame (1) and a first forming die (2) fixed to one side of the fixing frame (1), a cylinder (7) being fixedly connected to the interior of the fixing frame (1), a moving seat (6) being fixedly connected to the output end of the cylinder (7), a second forming die (5) being fixedly connected to the surface of the moving seat (6) close to the first forming die (2), characterized in that: A demoulding component (3) is provided on the surface of the first molding die (2); The demoulding assembly (3) comprises a fixed module (33), a demoulding rod (37), a spring (38), a movable plate (39), a motor (310) and an eccentric wheel (311); the fixed module (33) is fixedly connected to the surface of the second molding die (5); a mold cavity is provided on the surface of the first molding die (2) close to the fixed module (33); a plurality of demoulding rods (37) are slidably connected to the inside of the second molding die (5) close to the fixed module (33); the surface of the demoulding rods (37) close to the fixed module (33) One end of the movable seat (6) is fixedly connected to a movable plate (39); a second spring (38) is sleeved on the surface of the demoulding rod (37); two ends of the second spring (38) are respectively in contact with the movable plate (39) and the second molding die (5); a motor (310) is fixedly connected to the side of the surface of the movable seat (6) close to the movable plate (39); an eccentric wheel (311) is fixedly connected to the output end of the motor (310), and the eccentric wheel (311) slides on the surface of the movable plate (39).

2. The forming mold for the ventilator water tank accessories according to claim 1, characterized in that: The cross section of the demoulding rod (37) is T-shaped, and an insertion groove is provided on a side of the surface of the fixed module (33) close to the demoulding rod (37).

3. The forming die for the ventilator water tank accessories according to claim 1, characterized in that: Guide rods (32) are fixedly connected at the four corners of the surface of the second molding die (5), and a sliding groove is provided on one side of the first molding die (2) close to the guide rods (32).

4. The forming die for the ventilator water tank accessories according to claim 1, characterized in that: A push rod (35) is slidably connected inside the first molding die (2), a spring (36) is fixedly connected between the push rod (35) and the first molding die (2), and a fixed block (34) is fixedly connected to a side of the surface of the fixed module (33) close to the push rod (35).

5. The forming die for the ventilator water tank accessories according to claim 1, characterized in that: An injection head (31) is fixedly mounted on the side of the first molding die (2).

6. The forming die for the ventilator water tank accessories according to claim 1, characterized in that: A cooling assembly (4) is arranged inside the first molding die (2), and the cooling assembly (4) comprises a cooling pipe (41), a connecting pipe (42), a water storage tank (43), a submersible pump (44) and a cooling box (45). The cooling pipe (41) is fixedly installed on a side of the first molding die (2) close to the mold cavity, and the side of the first molding die (2) is fixedly connected to the water storage tank (43). A submersible pump (44) is installed inside the water storage tank (43), and the output end of the submersible pump (44) is connected to the cooling pipe (41) through the connecting pipe (42). The bottom end of the cooling pipe (41) is connected to the cooling box (45), and one end of the cooling box (45) is connected to the inside of the water storage tank (43).

7. The forming die for the ventilator water tank accessories according to claim 6, characterized in that: A plurality of groups of cooling fins (46) are fixedly mounted on the surface of the cooling box (45).

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