Mold opening structure of injection molding plastic plate

Abstract

The utility model discloses a mold opening structure of an injection molding plastic plate, which comprises a bottom plate, supporting rods are arranged at four corners of the outer wall of the top of the bottom plate through bolts, a top plate is arranged on the outer wall of the top end of each supporting rod through a bolt, and a locking component is connected to the outer wall of each supporting rod in a sliding manner. Through the arrangement of the limiting block, when the double-shaft motor is started, the double-shaft motor can drive the threaded sleeve to rotate, in the rotating process of the threaded sleeve, the threaded sleeve can utilize threaded connection with the threaded rod, so that the threaded rod can drive the moving plate and the spring to move, and the spring can drive the limiting block to be clamped on the outer wall of the gear; by means of the structure, the defect that raw materials flow out from the interior of an existing device due to the fact that die combination is not firm can be overcome, the telescopic cylinder can be effectively protected through the structure, and the defect that the service life of the telescopic cylinder is shortened due to long-time operation of the telescopic cylinder is overcome.

Description

Technical Field

[0001] The utility model relates to the technical field of plastic plates, in particular to a mold opening structure of an injection-molded plastic plate. Background Art

[0002] Plastic board is made of plastic. Plastic is a synthetic polymer compound that can change its shape and style freely. Plastic is a material made by synthesizing or condensing monomer raw materials. It is composed of synthetic resin and additives such as fillers, plasticizers, stabilizers, lubricants, and colorants. Its main component is synthetic resin.

[0003] According to the patent document: CN107443676B, an injection molding machine with a positioning function is proposed, including a bottom plate, the upper surface of the bottom plate is fixedly connected to two vertical plates, the two vertical plates are symmetrical with reference to the central axis of the bottom plate, the upper surface of the bottom plate and located between the two vertical plates is also fixedly connected to a support plate, the two support plates are symmetrical with reference to the central axis of the bottom plate, a cross plate is fixedly connected between the inner side surfaces of the two vertical plates and located above the support plate, and two electric push rods are fixedly installed on the lower surface of the cross plate corresponding to the position between the two support plates. The injection molding machine with a positioning function, by providing a limiting groove on the inner side surface of the support plate, the limiting block is slidably connected inside the limiting groove, and the output end of the electric push rod passes through the jack and extends to the bottom of the reinforcing plate, which can guide the movement of the first mounting block to avoid it from tilting when following the output end of the electric push rod to move up and down and affecting the product processing accuracy, thereby solving the problems raised in the background technology.

[0004] At present, the traditional device has no locking mechanism during use, so that the raw materials will flow out from between the molds during long-term use of the device, affecting the processing effect of the device on the plastic plate. In addition, during long-term use of the traditional device, the pushing mechanism needs to remain in operation for a long time, which will affect the service life of the pushing mechanism. Therefore, a mold opening structure for injection molded plastic plates is proposed. Utility Model Content

[0005] The utility model aims to provide a mold opening structure for injection-molded plastic plates to solve the problem that the existing devices in the above-mentioned background technology do not have a locking mechanism, so that the raw materials will flow out from between the molds or cause damage to the pushing mechanism during the use of the device.

[0006] To achieve the above object, the utility model provides the following technical solution: a mold opening structure for an injection molded plastic plate, comprising a bottom plate, support rods are installed at the four corners of the top outer wall of the bottom plate by bolts, and a top plate is installed on the top outer wall of the support rod by bolts, and a locking assembly is slidably connected to the outer wall of the support rod;

[0007] The locking assembly includes a lifting seat, and a gear plate distributed in a horizontal structure by bolts on an outer wall on one side between the bottom plate and the top plate, an installation groove is opened inside the lifting seat, a dual-axis motor is installed inside the installation groove by bolts, and a threaded sleeve is installed on the output end of the dual-axis motor through a coupling, a threaded rod is connected to the internal thread of the threaded sleeve, and a movable plate is arranged on the outer wall at one end of the threaded rod away from each other, a spring is welded on the outer wall at one side of the movable plate away from each other, and one end of the spring away from each other is fixedly connected to a limiting block, and gears are movably installed on both sides of the interior of the lifting seat through bearings.

[0008] Preferably, the gear plate penetrates into the interior of the lifting seat, and the gear is meshed with the gear plate, and the protrusion on the outer wall of the limit block matches and corresponds to the scale teeth of the gear.

[0009] Preferably, the movable plate is slidably connected to the inside of the mounting groove, and the threaded rod is fixedly connected to the movable plate by bolts.

[0010] Preferably, a telescopic cylinder is installed at the center of the top outer wall of the bottom plate by bolts, and the output end of the telescopic cylinder is fixed to the bottom outer wall of the lifting seat by bolts.

[0011] Preferably, a base is mounted on the top outer wall of the lifting seat by bolts, and mold insertion rods distributed in a rectangular array structure at equal distances are arranged on the top outer wall of the base, and a cooling component is arranged on the top of the top plate.

[0012] Preferably, the cooling component includes a water tank, a cooling seat is installed at the center of the bottom outer wall of the top plate by bolts, a cooling groove is opened inside the cooling seat, and a return pipe connected to the water tank is installed on the outer wall of one side of the cooling seat by bolts.

[0013] Preferably, a circulation pump is installed on one side of the bottom inner wall of the water tank by bolts, and a mold tube corresponding to the mold insertion rod is provided inside the cooling groove, and a cooling fin is installed on the other side of the bottom inner wall of the water tank by bolts.

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

[0015] 1. By setting the limit block, when the dual-axis motor is started, the dual-axis motor can drive the threaded sleeve to rotate. During the rotation of the threaded sleeve, the threaded sleeve can utilize the threaded connection with the threaded rod, so that the threaded rod can drive the movable plate and the spring to move, and the spring can drive the limit block to be clamped on the outer wall of the gear, thereby realizing the locking function of the lifting seat. Such a structure can solve the shortcoming of the existing device that the raw materials flow out of the device due to the unreliable mold combination, and such a structure can also effectively protect the telescopic cylinder, avoiding the disadvantage of reducing the service life of the telescopic cylinder due to the long-term operation of the telescopic cylinder.

[0016] 2. Through the set water pump, when the water pump is started, the water pump can inject the water inside the water tank into the inside of the cooling seat, and during the continuous water injection process, the water can use the heat conduction of the mold tube to quickly cool the raw materials, thereby increasing the processing efficiency of the device for plastic plates and improving the practicability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 A schematic diagram of the three-dimensional structure provided by the utility model;

[0018] Figure 2 A schematic diagram of a three-dimensional cross-sectional structure provided by the utility model;

[0019] Figure 3 A schematic diagram of the telescopic cylinder structure provided by the utility model;

[0020] Figure 4 This is a schematic diagram of the cooling component structure provided by the utility model;

[0021] Figure 5 This is a schematic diagram of the interior of the installation slot and the gear structure provided by the utility model;

[0022] In the figure: 1. bottom plate; 2. support rod; 3. top plate; 4. locking assembly; 41. lifting seat; 42. gear plate; 43. mounting groove; 44. dual-axis motor; 45. threaded sleeve; 46. threaded rod; 47. moving plate; 48. spring; 49. limit block; 410. gear; 5. telescopic cylinder; 6. base; 7. mold insert rod; 8. cooling assembly; 81. water tank; 82. cooling seat; 83. cooling groove; 84. reflux pipe; 85. circulation pump; 86. mold tube; 87. cooling plate. DETAILED DESCRIPTION

[0023] 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.

[0024] Please refer to Figure 1 , Figure 2 , Figure 3 and Figure 5 , a mold opening structure for an injection-molded plastic plate, comprising a bottom plate 1, support rods 2 are installed at the four corners of the top outer wall of the bottom plate 1 by bolts, a top plate 3 is installed on the top outer wall of the support rod 2 by bolts, and a locking component 4 is slidably connected to the outer wall of the support rod 2;

[0025] The locking assembly 4 includes a lifting seat 41, and a gear plate 42 is horizontally distributed on the outer wall of one side between the bottom plate 1 and the top plate 3 through bolts. A mounting groove 43 is opened inside the lifting seat 41, and a dual-axis motor 44 is installed inside the mounting groove 43 through bolts, and a threaded sleeve 45 is installed at the output end of the dual-axis motor 44 through a coupling. The internal thread of the threaded sleeve 45 is connected with a threaded rod 46, and a movable plate 47 is arranged on the outer wall of the end of the threaded rod 46 away from each other, and a spring 48 is welded on the outer wall of the side of the movable plate 47 away from each other, and the end of the spring 48 away from each other is fixedly connected to a limit block 49, and the two sides of the interior of the lifting seat 41 are movably installed by bearings There is a gear 410. The arrangement of the bottom plate 1, the support rod 2 and the top plate 3 can provide support for the installation of the device, and the arrangement of the mounting groove 43 can provide an installation position for the installation of the dual-axis motor 44. When the dual-axis motor 44 is started, the dual-axis motor 44 can drive the threaded sleeve 45 to rotate. During the rotation of the threaded sleeve 45, the threaded sleeve 45 can utilize the threaded connection with the threaded rod 46, so that the threaded rod 46 can drive the moving plate 47 to squeeze the spring 48, and during the squeezing of the spring 48, the limit block 49 will be clamped on the outer wall of the gear 410, and the gear 410 can utilize the mutual engagement with the gear plate 42 to make the lifting and lowering of the lifting seat 41 more stable.

[0026] Please refer to Figure 2 , Figure 3 and Figure 5 The gear plate 42 penetrates into the interior of the lifting seat 41, and the gear 410 is meshed with the gear plate 42. The protrusion on the outer wall of the limit block 49 matches the scale tooth of the gear 410. When the gear 410 is rotating, the gear 410 can use the mutual correspondence with the limit block 49 to move the limit block 49. Such a structure can prevent the lifting seat 41 from affecting the lifting seat 41 during the lifting process; the moving plate 47 is slidably connected to the inside of the mounting groove 43, and the threaded rod 46 is fixedly connected to the moving plate 47 by bolts. During the movement of the moving plate 47, the moving plate 47 will slide left and right inside the mounting groove 43, and the fixed connection between the threaded rod 46 and the moving plate 47 makes the movement of the moving plate 47 more effective.

[0027] Please refer to Figure 2 and Figure 3 A telescopic cylinder 5 is installed at the center of the top outer wall of the base plate 1 by bolts, and the output end of the telescopic cylinder 5 is fixed to the bottom outer wall of the lifting seat 41 by bolts. When the telescopic cylinder 5 is started, the telescopic cylinder 5 can use the fixed connection between its output end and the lifting seat 41 to enable the lifting seat 41 to move on the outer wall of the support rod 2.

[0028] Please refer to Figure 2 and Figure 4A base 6 is installed on the top outer wall of the lifting seat 41 by bolts, and mold plug rods 7 are arranged on the top outer wall of the base 6 at equal distances and in a rectangular array structure. A cooling component 8 is arranged on the top of the top plate 3. During the lifting process of the lifting seat 41, the lifting seat 41 can drive the base 6 and the mold plug rod 7 to rise. Such a structure facilitates the operator to dock the mold and facilitates the operator to inject the raw materials; the cooling component 8 includes a water tank 81, a cooling seat 82 is installed at the center of the bottom outer wall of the top plate 3 by bolts, and a cooling groove 83 is opened inside the cooling seat 82, and a return pipe 84 connected to the water tank 81 is installed on one side outer wall of the cooling seat 82 by bolts When water is injected into the interior of the cooling seat 82, the water can cool the raw materials through the mold tube 86, and the water can enter the interior of the water tank 81 through the action of the reflux pipe 84; a circulation pump 85 is installed on one side of the bottom inner wall of the water tank 81 through bolts, and a mold tube 86 corresponding to the mold insert rod 7 is arranged inside the cooling groove 83, and a cooling fin 87 is installed on the other side of the bottom inner wall of the water tank 81 through bolts. The setting of the cooling fin 87 can provide assistance for cooling the water, and when the circulation pump 85 is started, the circulation pump 85 can drive the water flow inside the device to flow, and the connection between the mold tube 86 and the mold insert rod 7 makes the injection molding of the raw materials more effective.

[0029] Working principle: First, by starting the telescopic cylinder 5, the telescopic cylinder 5 will drive the lifting seat 41 to move the rod. During the movement of the lifting seat 41, the gear plate 42 will move inside the lifting seat 41, and during the movement of the lifting seat 41, the lifting seat 41 will drive the gear 410 inside it to rise. During the process of the gear 410 rising, the gear 410 will rotate by meshing with the gear plate 42, and during the rotation of the gear 410, the gear 410 will drive the limit block 49 to move, and the limit block 49 will squeeze the spring 48. When the base 6 at the top of the lifting seat 41 is aligned with the cooling seat When the mold insert rod 7 inside the base 6 is fitted, it will be inserted into the mold tube 86. At this time, the double-axis motor 44 can be started and the telescopic cylinder 5 can be closed. The double-axis motor 44 drives the threaded sleeve 45 to rotate by the action of the coupling. During the rotation of the threaded sleeve 45, the threaded sleeve 45 can be connected with the threaded rod 46 by thread, so that the threaded rod 46 can drive the moving plate 47 to move inside the installation groove 43, and the spring 48 will be squeezed during the movement of the moving plate 47. During the continuous squeezing process, the spring 48 will push the limit block 49 to be clamped on the outer wall of the gear 410;

[0030] Then, the raw materials are injected into the interior of the base 6, and in the continuous injection process, the raw materials will enter the interior of the mold tube 86, and finally, the circulation pump 85 can be started, and the circulation pump 85 can inject the water in the water tank 81 into the interior of the cooling seat 82 through a hose, and in the continuous injection process, the water can be injected into the interior of the water tank 81 through the return pipe 84 on one side of the cooling seat 82, and finally, the cooling plate 87 can be started. The above is the working process of the entire device, and the contents not described in detail in this specification belong to the existing technology known to professional and technical personnel in this field.

[0031] 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 mold opening structure for an injection molded plastic plate, comprising a bottom plate (1), characterized in that: The four corners of the top outer wall of the bottom plate (1) are mounted with support rods (2) by means of bolts, and a top plate (3) is mounted on the top outer wall of the support rod (2) by means of bolts, and a locking assembly (4) is slidably connected to the outer wall of the support rod (2); The locking assembly (4) comprises a lifting seat (41), and a gear plate (42) which is horizontally distributed on an outer wall of one side between the bottom plate (1) and the top plate (3) by bolts, a mounting groove (43) is provided inside the lifting seat (41), a dual-axis motor (44) is mounted inside the mounting groove (43) by bolts, and a threaded sleeve (45) is mounted on the output end of the dual-axis motor (44) through a coupling, a threaded rod (46) is connected to the inner thread of the threaded sleeve (45), and a movable plate (47) is arranged on the outer wall of one end of the threaded rod (46) away from each other, a spring (48) is welded on the outer wall of one side of the movable plate (47) away from each other, and one end of the spring (48) away from each other is fixedly connected to a limit block (49), and gears (410) are movably mounted on both sides of the interior of the lifting seat (41) through bearings.

2. The mold opening structure of an injection molded plastic plate according to claim 1, characterized in that: The gear plate (42) penetrates into the interior of the lifting seat (41), and the gear (410) is meshed with the gear plate (42), and the protrusion on the outer wall of the limit block (49) matches and corresponds to the ruler tooth of the gear (410).

3. The mold opening structure of an injection molded plastic plate according to claim 1, characterized in that: The movable plate (47) is slidably connected to the interior of the mounting groove (43), and the threaded rod (46) is fixedly connected to the movable plate (47) via bolts.

4. The mold opening structure of an injection molded plastic plate according to claim 1, characterized in that: A telescopic cylinder (5) is installed at the center of the top outer wall of the base plate (1) by means of bolts, and the output end of the telescopic cylinder (5) is fixed to the bottom outer wall of the lifting seat (41) by means of bolts.

5. The mold opening structure of an injection molded plastic plate according to claim 1, characterized in that: A base (6) is installed on the top outer wall of the lifting seat (41) by bolts, and mold insertion rods (7) are arranged on the top outer wall of the base (6) and are distributed in a rectangular array structure at equal distances. A cooling component (8) is arranged on the top of the top plate (3).

6. The mold opening structure of an injection-molded plastic plate according to claim 5, characterized in that: The cooling component (8) includes a water tank (81), a cooling seat (82) is installed at the center of the bottom outer wall of the top plate (3) by bolts, and a cooling groove (83) is opened inside the cooling seat (82), and a return pipe (84) connected to the water tank (81) is installed on one side outer wall of the cooling seat (82) by bolts.

7. The mold opening structure of an injection-molded plastic plate according to claim 6, characterized in that: A circulation pump (85) is installed on one side of the bottom inner wall of the water tank (81) by means of bolts, and a mold tube (86) corresponding to the mold insert rod (7) is arranged inside the cooling groove (83), and a cooling fin (87) is installed on the other side of the bottom inner wall of the water tank (81) by means of bolts.

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