PVC pipe fitting production cooling device convenient to demould

Abstract

The utility model discloses a PVC pipe fitting production cooling device convenient to demould in the field of PVC pipe fitting production, which comprises a bottom plate, a lower mould, an upper mould, a demoulding mechanism and a cooling mechanism, the lower mould is fixedly connected to the left side of the top of the bottom plate, the upper mould is movably connected to the top of the lower mould, and the demoulding mechanism is fixedly connected to the left side of the top of the bottom plate. According to the PVC pipe fitting production cooling device convenient to demold, during demolding, a rotating disc is rotated, a threaded rod is driven to rotate, a connecting plate is limited through cooperation of a sliding rod and a sleeve, and therefore when the threaded rod rotates, the threaded rod is driven to rotate, and the threaded rod is driven to rotate; and the threaded barrel moves on the outer side of the threaded rod to drive the connecting plate to move, so that the mold core moves, and the mold core is moved out of the space between the upper mold and the lower mold, so that the pipe is demolded, the pipe is prevented from being adsorbed on the mold core, demolding is quicker, time and labor are saved, and the practicability of the device is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of PVC pipe fitting production, in particular to a PVC pipe fitting production cooling device which is convenient for demoulding. Background Art

[0002] With the development of science and technology, PVC pipe fittings occupy an important position in building consumables. The main component of PVC is polyvinyl chloride, and other ingredients can be added to enhance its heat resistance, toughness and ductility. The top layer of this surface film is paint, the main component in the middle is polyvinyl chloride, and the bottom layer is back-coated adhesive. It is a synthetic material that is deeply loved, popular and widely used in the world today. Its global usage ranks second among various synthetic materials. PVC pipe fittings need to be injection molded through molds during the production process.

[0003] At present, when producing PVC pipe fittings, the injection mold is mostly composed of an outer mold and a mold core. After the injection molding is completed, the pipe fittings are easily adsorbed on the mold core, which makes it inconvenient to demold the pipe fittings. After the injection molding is completed, the pipe fittings need to be naturally cooled to room temperature before demolding, which makes the production efficiency low. For this reason, we propose a PVC pipe fitting production cooling device that is easy to demold. Utility Model Content

[0004] The utility model aims to provide a PVC pipe production cooling device which is easy to demould, so as to solve the problem in the above background technology that after the injection molding of the current PVC pipe is completed, the pipe is easily adsorbed on the mold core, which makes it inconvenient to demould the pipe and the cooling efficiency is low.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a PVC pipe production cooling device that is easy to demould, comprising a bottom plate, a lower mold, an upper mold, a demoulding mechanism and a cooling mechanism, the lower mold is fixedly connected to the top left side of the bottom plate, the upper mold is movably connected to the top of the lower mold, the demoulding mechanism is fixedly connected to the top right side of the bottom plate, and the cooling mechanism is fixedly connected to the inside of the lower mold, the demoulding mechanism comprises a support rod, a mounting plate, a threaded rod, a turntable, a sliding rod, a threaded barrel, a connecting plate, a sleeve and a core, the front and rear parts of the top right side of the bottom plate are fixedly connected with a support rod, the top end of the support rod is fixedly connected with a mounting plate, the middle part of the left side of the mounting plate is rotatably connected with a threaded rod, the right end of the threaded rod is fixedly connected with a turntable, the middle part of the left front and rear parts of the mounting plate is fixedly connected with a sliding rod, the outer side wall of the threaded rod is screwed with a threaded barrel through a thread, the left end of the threaded barrel is fixedly connected with a connecting plate, the middle part of the right front and rear parts of the connecting plate is fixedly connected with a sleeve, and the middle part of the left side of the connecting plate is fixedly connected with the core.

[0006] As a further description of the above technical solution:

[0007] Positioning holes are provided at the four corners of the top of the lower mold, and positioning rods are fixedly connected at the four corners of the bottom of the upper mold.

[0008] As a further description of the above technical solution:

[0009] The slide bar is slidably connected to the inside of the sleeve, and a clamping plate is fixedly connected to the left end of the slide bar, and the clamping plate is located inside the sleeve.

[0010] As a further description of the above technical solution:

[0011] The mold core is slidably connected to the upper mold and the lower mold.

[0012] As a further description of the above technical solution:

[0013] The cooling mechanism includes a cooling chamber, a cooling pipe, a water tank, a pump, a water inlet pipe, an installation chamber, heat-conducting fins, an air inlet, a mounting frame and a heat dissipation fan. A cooling chamber is opened inside the lower mold, a cooling pipe is fixedly connected to the inside of the cooling chamber, and the inlet and outlet ends of the cooling pipe pass through the left side of the lower mold, a water tank is fixedly connected to the top left of the bottom plate, the inlet end of the cooling pipe is fixedly connected to the pump, and the inlet end of the pump is fixedly connected to the water inlet pipe, an installation chamber is opened in the middle of the bottom of the lower mold, heat-conducting fins are evenly fixedly connected to the top of the installation chamber, air inlets are opened through the top of the front and rear sides of the installation chamber, a mounting frame is fixedly connected to the bottom of the inner cavity side wall of the installation chamber, and a heat dissipation fan is fixedly connected to the middle of the bottom of the mounting frame.

[0014] As a further description of the above technical solution:

[0015] The input ends of the pump and the cooling fan are electrically connected to the output end of the external power supply, the inlet end of the water inlet pipe is located below the internal liquid level of the water tank, and the outlet end of the cooling pipe is located inside the water tank.

[0016] Compared with the prior art, the beneficial effects of the utility model are:

[0017] 1. The PVC pipe production cooling device which is easy to demould, when demoulding, rotates the turntable to drive the threaded rod to rotate, so that the slide rod and the sleeve cooperate to restrict the connecting plate, so that when the threaded rod rotates, the threaded barrel moves outside the threaded rod, drives the connecting plate to move, and moves the mold core, and moves the mold core out of between the upper mold and the lower mold, so that the pipe fitting is demoulded, avoiding the pipe fitting being adsorbed on the mold core, making demoulding faster, saving time and labor, and improving the practicality of the device.

[0018] 2. The PVC pipe production cooling device which is easy to demould, during cooling, starts the pump to transport water into the cooling pipe to take away the generated heat, and at the same time uses the heat-conducting fins to transfer the heat. By starting the cooling fan, negative pressure is generated, so that the airflow passes through the air inlet, and the heat on the heat-conducting fins is driven, thereby accelerating the cooling and molding speed of the pipe fittings, improving production efficiency and saving time. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the overall structure of a PVC pipe production cooling device that is easy to demould proposed by the utility model;

[0020] Figure 2 This is a schematic diagram of the structure of the positioning hole of a cooling device for producing PVC pipes that is easy to demould, which is proposed by the utility model;

[0021] Figure 3 This is a schematic diagram of the demoulding mechanism structure of a PVC pipe production cooling device that is easy to demould, which is proposed by the utility model;

[0022] Figure 4 The utility model discloses a cooling mechanism structure schematic diagram of a PVC pipe production cooling device which is convenient for demoulding.

[0023] In the figure: 100, bottom plate; 200, lower mold; 210, positioning hole; 300, upper mold; 310, positioning rod; 400, demoulding mechanism; 410, support rod; 420, mounting plate; 430, threaded rod; 440, turntable; 450, slide rod; 460, threaded barrel; 470, connecting plate; 480, sleeve; 490, core; 500, cooling mechanism; 510, cooling cavity; 520, cooling pipe; 530, water tank; 540, pump; 550, water inlet pipe; 560, mounting cavity; 570, thermal fin; 580, air inlet; 590, mounting frame; 591, cooling fan. DETAILED DESCRIPTION

[0024] 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.

[0025] In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside", "clockwise", "counterclockwise", "axial", "radial", "circumferential" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the present utility model, unless otherwise specified, "multiple" means two or more.

[0026] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0027] The utility model provides a PVC pipe production cooling device that is easy to demould, which prevents the pipe from being adsorbed on the mold core, makes demoulding faster, saves time and effort, and improves the practicality of the device. Please refer to Figure 1-4 , comprising a base plate 100, a lower mold 200, an upper mold 300, a demoulding mechanism 400 and a cooling mechanism 500;

[0028] Please refer again Figure 1 , the bottom plate 100 is used to install the lower mold 200, the upper mold 300, the demoulding mechanism 400 and the cooling mechanism 500;

[0029] Please refer again Figure 1 The lower mold 200 is fixedly connected to the top left side of the bottom plate 100, the upper mold 300 is movably connected to the top of the lower mold 200, the demoulding mechanism 400 is fixedly connected to the top right side of the bottom plate 100 to facilitate demoulding, and the cooling mechanism 500 is fixedly connected to the inside of the lower mold 200 to accelerate cooling;

[0030] Please refer again Figure 3 , the demoulding mechanism 400 includes a support rod 410, a mounting plate 420, a threaded rod 430, a rotating disk 440, a sliding rod 450, a threaded cylinder 460, a connecting plate 470, a sleeve 480 and a mold core 490;

[0031] Please refer again Figure 3 The front and rear parts of the top right side of the bottom plate 100 are fixedly connected with a support rod 410, the top of the support rod 410 is fixedly connected with a mounting plate 420, a threaded rod 430 is rotatably connected through the middle of the left side of the mounting plate 420, and a turntable 440 is fixedly connected to the right end of the threaded rod 430;

[0032] Please refer again Figure 3 A sliding rod 450 is fixedly connected to the middle part of the left front and rear parts of the mounting plate 420, a threaded tube 460 is screwed to the outer wall of the threaded rod 430 through a thread, a connecting plate 470 is fixedly connected to the left end of the threaded tube 460, a sleeve 480 is fixedly connected to the middle part of the right front and rear parts of the connecting plate 470, and a core 490 is fixedly connected to the middle part of the left side of the connecting plate 470.

[0033] To summarize, during demolding, the turntable 440 is rotated to drive the threaded rod 430 to rotate, so that the slide rod 450 and the sleeve 480 cooperate to restrict the connecting plate 470, so that when the threaded rod 430 rotates, the threaded tube 460 moves outside the threaded rod 430, driving the connecting plate 470 to move, so that the mold core 490 moves, and the mold core 490 is moved out from between the upper mold 300 and the lower mold 200, so that the pipe fittings can be demolded and prevented from being adsorbed on the mold core 490, making demolding faster, saving time and effort, and improving the practicality of the device.

[0034] Please refer again Figure 2 Positioning holes 210 are opened at the four corners of the top of the lower mold 200, and positioning rods 310 are fixedly connected to the four corners of the bottom of the upper mold 300.

[0035] Please refer again Figure 3 The sliding rod 450 is slidably connected to the inside of the sleeve 480 , and the left end of the sliding rod 450 is fixedly connected with a clamping plate, and the clamping plate is located inside the sleeve 480 .

[0036] Please refer again Figure 3 The mold core 490 is slidably connected to the upper mold 300 and the lower mold 200 .

[0037] Please refer again Figure 4The cooling mechanism 500 includes a cooling chamber 510, a cooling pipe 520, a water tank 530, a pump 540, a water inlet pipe 550, a mounting chamber 560, a heat conducting fin 570, an air inlet 580, a mounting frame 590 and a heat dissipation fan 591. The lower mold 200 has a cooling chamber 510 formed inside. The cooling chamber 510 is fixedly connected to the inside of the cooling chamber 510. The inlet and outlet ends of the cooling pipe 520 pass through the left side of the lower mold 200. The top left side of the bottom plate 100 is fixedly connected to the water tank 5 30. The inlet end of the cooling pipe 520 is fixedly connected to a pump 540, and the inlet end of the pump 540 is fixedly connected to a water inlet pipe 550. A mounting cavity 560 is provided in the middle of the bottom of the lower mold 200, and a heat-conducting fin 570 is evenly fixedly connected to the top of the mounting cavity 560. An air inlet 580 is provided through the top of the front and rear sides of the mounting cavity 560. A mounting frame 590 is fixedly provided at the bottom of the inner cavity side wall of the mounting cavity 560, and a cooling fan 591 is fixedly connected to the middle of the bottom of the mounting frame 590.

[0038] Please refer again Figure 4 The input ends of the pump 540 and the cooling fan 591 are electrically connected to the output end of the external power supply, the inlet end of the water inlet pipe 550 is located below the internal liquid level of the water tank 530, and the outlet end of the cooling pipe 520 is located inside the water tank 530.

[0039] To summarize, during cooling, water is transported into the cooling pipe 520 by starting the pump 540 to take away the generated heat, and at the same time, the heat is transferred out by utilizing the heat-conducting fins 570. By starting the cooling fan 591, negative pressure is generated, and the air flows through the air inlet 580, driving the heat on the heat-conducting fins 570, thereby accelerating the cooling and forming speed of the pipe fittings, improving production efficiency, and saving time.

[0040] In specific use, the technical personnel in this field close the upper mold 300 and the lower mold 200, inject material into the injection port, and after the injection molding is completed, start the pump 540 and the heat dissipation fan 591. By starting the pump 540, water is transported into the cooling pipe 520 to take away the generated heat. At the same time, the heat is transferred out by the heat-conducting fins 570. By starting the heat dissipation fan 591, negative pressure is generated, so that the air flow passes through the air inlet 580, and the heat on the heat-conducting fins 570 is driven, thereby accelerating the cooling process. Regarding the cooling and forming speed of the pipe fitting, when demolding, the turntable 440 is rotated to drive the threaded rod 430 to rotate, so that the slide rod 450 and the sleeve 480 cooperate to restrict the connecting plate 470, so that when the threaded rod 430 rotates, the threaded tube 460 moves outside the threaded rod 430, driving the connecting plate 470 to move, so that the mold core 490 moves, and the mold core 490 is moved out from between the upper mold 300 and the lower mold 200, so that the pipe fitting is demolded, and then the upper mold 300 is opened to take out the pipe fitting.

[0041] In the description of this specification, the description with reference to the terms "one embodiment", "some embodiments", "illustrative embodiments", "examples", "specific examples", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the utility model. In this specification, the schematic representation of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.

[0042] Although the embodiments of the present invention have been shown and described, those skilled in the art will appreciate 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 claims and their equivalents.

Claims

1. A PVC pipe production cooling device that is easy to demould, characterized in that: The invention comprises a bottom plate (100), a bottom die (200), an upper die (300), a demoulding mechanism (400) and a cooling mechanism (500), wherein the bottom die (200) is fixedly connected to the top left side of the bottom plate (100), the upper die (300) is movably connected to the top of the bottom die (200), the demoulding mechanism (400) is fixedly connected to the top right side of the bottom plate (100), the cooling mechanism (500) is fixedly connected to the inside of the bottom die (200), the demoulding mechanism (400) comprises a support rod (410), a mounting plate (420), a threaded rod (430), a rotating disk (440), a sliding rod (450), a threaded cylinder (460), a connecting plate (470), a sleeve (480) and a mold core (490), the bottom plate (100) is fixedly connected to the top right side of the bottom plate (100), the cooling mechanism (500) is fixedly connected to the inside of the bottom die (200), the demoulding mechanism (400) comprises a support rod (410), a mounting plate (420), a threaded rod (430), a rotating disk (440), a sliding rod (450), a threaded cylinder (460), a connecting plate (470), a sleeve (480) and a mold core (490), 00) is fixedly connected to the front and rear parts of the top right side of the support rod (410), the top of the support rod (410) is fixedly connected to the mounting plate (420), the middle part of the left side of the mounting plate (420) is rotatably connected to a threaded rod (430), the right end of the threaded rod (430) is fixedly connected to a turntable (440), the middle part of the left front and rear parts of the mounting plate (420) is fixedly connected to a sliding rod (450), the outer wall of the threaded rod (430) is screwed with a threaded cylinder (460) through a thread, the left end of the threaded cylinder (460) is fixedly connected to a connecting plate (470), the middle part of the right front and rear parts of the connecting plate (470) is fixedly connected to a sleeve (480), and the middle part of the left side of the connecting plate (470) is fixedly connected to a mold core (490).

2. A PVC pipe production cooling device that is easy to demould according to claim 1, characterized in that: Positioning holes (210) are provided at the four corners of the top of the lower mold (200), and positioning rods (310) are fixedly connected at the four corners of the bottom of the upper mold (300).

3. The PVC pipe production cooling device for easy demoulding according to claim 1 is characterized in that: The sliding rod (450) is slidably connected to the inside of the sleeve (480), and a clamping plate is fixedly connected to the left end of the sliding rod (450), and the clamping plate is located inside the sleeve (480).

4. The PVC pipe production cooling device for easy demoulding according to claim 1 is characterized in that: The mold core (490) is slidably connected to the upper mold (300) and the lower mold (200).

5. The PVC pipe production cooling device for easy demoulding according to claim 1 is characterized in that: The cooling mechanism (500) comprises a cooling cavity (510), a cooling pipe (520), a water tank (530), a pump (540), a water inlet pipe (550), a mounting cavity (560), a heat conducting fin (570), an air inlet (580), a mounting frame (590) and a heat dissipation fan (591); a cooling cavity (510) is provided inside the lower mold (200); a cooling pipe (520) is fixedly connected inside the cooling cavity (510); an inlet end and an outlet end of the cooling pipe (520) pass through the left side of the lower mold (200); a water inlet pipe (550) is fixedly connected on the left side of the top of the bottom plate (100); The cooling box (530) is provided with a pump (540) at the inlet end of the cooling pipe (520), a water inlet pipe (550) is fixedly connected to the inlet end of the pump (540), a mounting cavity (560) is provided in the middle of the bottom of the lower mold (200), a heat conducting fin (570) is evenly fixedly connected to the top of the mounting cavity (560), an air inlet (580) is provided through the top of the front and rear sides of the mounting cavity (560), a mounting frame (590) is fixedly provided at the bottom of the inner cavity side wall of the mounting cavity (560), and a heat dissipation fan (591) is fixedly connected to the middle of the bottom of the mounting frame (590).

6. A cooling device for producing PVC pipes that facilitate demoulding according to claim 5, characterized in that: The input ends of the pump (540) and the cooling fan (591) are electrically connected to the output end of the external power supply, the inlet end of the water inlet pipe (550) is located below the internal liquid level of the water tank (530), and the outlet end of the cooling pipe (520) is located inside the water tank (530).

Images