Television shell injection molding device

Abstract

The utility model belongs to the technical field of injection molding devices, and particularly relates to a television shell injection molding device which comprises a base, a positioning plate is fixedly connected to the top of the base, and an air cylinder is fixedly connected to one side face of the positioning plate. Through the arrangement of a transmission mechanism and a first gear, the redundant tail part of an injection molding part can be automatically cut after injection molding is completed, so that the machining efficiency of the outer wall of the television is improved, namely, an air cylinder is started to drive a first mold to be close to and attached to a second mold, and an injection molding material passes through an injection molding hole formed in the second mold; after injection molding is completed, an air cylinder is started to drive a first mold to move, the first mold drives a first transmission plate and a first rack to move, the first rack drives a first gear to rotate, the first gear drives a lead screw to rotate, the lead screw rotates to drive a transmission block to move, and the transmission block drives a cutting blade to move; and redundant tails are cut, so that the machining efficiency is improved.

Description

Technical Field

[0001] The utility model belongs to the technical field of injection molding devices, in particular to an injection molding device for a television shell. Background Art

[0002] Televisions have become an indispensable daily necessity in people's daily lives and occupy an important position in life. In order to meet the demand for thinness and lightness, current televisions often use various plastic parts as the product shell.

[0003] However, after the injection molding is completed, the injection molding device currently used for the TV shell will leave an excess tail at the injection hole, which needs to be manually cut off later, increasing the process and affecting the overall processing efficiency of the TV. Therefore, a TV shell injection molding device is proposed to address the above problem. Utility Model Content

[0004] In order to make up for the shortcomings of the existing technology and solve the problem that the injection molding device currently used for TV shells will leave excess tails at the injection holes after injection molding, which needs to be manually cut off later, increasing the process and affecting the overall processing efficiency of the TV, a TV shell injection molding device is proposed.

[0005] The technical solution adopted by the utility model to solve the technical problem is as follows: the utility model is a television housing injection molding device, comprising a base; the top of the base is fixedly connected with a positioning plate, one side of the positioning plate is fixedly connected with a cylinder, the output end of the cylinder is fixedly connected with a first mold, the top of the base is fixedly connected with a second mold, the top of the first mold is fixedly connected with a first transmission plate, and one side of the first transmission plate is fixedly connected with a first rack;

[0006] The base is provided with a transmission mechanism, which includes a cleaning groove provided on the inner side wall of the second mold, a cutting blade being slidably connected in the cleaning groove, a through groove being provided on the inner side wall of the cleaning groove, a screw being rotatably connected to the inner bottom wall of the through groove, a transmission block being threadedly connected to the outer wall of the screw, one end of the transmission block extending to the cleaning groove and fixedly connected to the cutting blade, the top end of the screw passing through the cleaning groove and fixedly connected to a first gear, the first gear being meshed with the first rack; through the arrangement of the transmission mechanism and the first gear, the first gear can be automatically The redundant tail of the injection molded part is cut to improve the processing efficiency of the outer wall of the TV, that is, the cylinder is started to drive the first mold to approach and fit the second mold, and the injection plastic is introduced into the second mold through the injection hole opened on the second mold and injection molding is performed. After the injection molding is completed, the cylinder is started to drive the first mold to move, the first mold drives the first transmission plate and the first rack to move, the first rack drives the first gear to rotate, the first gear drives the lead screw to rotate, the lead screw rotation drives the transmission block to move, the transmission block drives the cutting blade to move, and the redundant tail is cut to improve the processing efficiency.

[0007] Preferably, the top of the first mold is fixedly connected with a second transmission plate, the top of the base is rotatably connected with a transmission rod, the outer wall of the transmission rod is fixedly connected with the second gear, one side of the second transmission plate is fixedly connected with the second rack, the inner side wall of the second mold is provided with a sealing groove, a sealing plate is slidably connected in the sealing groove, the side of the sealing plate away from the first mold is fixedly connected with a third rack, the top of the second mold is rotatably connected with the third gear through a rotating shaft, the third rack is meshed with the second gear, the other end of the third rack passes through the second mold, the third gear is meshed with the second rack, the second gear is meshed with the third gear, and the arrangement of the second transmission plate, the second rack, the second gear and the sealing plate can facilitate the automatic discharge of the mold after injection molding is completed, that is, after injection molding is completed, when the first mold is away from the second mold, the first mold drives the second transmission plate and the second rack to move, the second rack drives the second gear to rotate, and the second gear drives the transmission rod to rotate.

[0008] Preferably, a through hole is provided on the inner side wall of the first mold, an auxiliary block is slidably connected in the through hole, an auxiliary rod is fixedly connected to a side of the auxiliary block close to the positioning plate, and the other end of the auxiliary rod extends out of the through hole and is fixedly connected to the positioning plate. By arranging the auxiliary block and the auxiliary rod, it can be avoided that the mold adheres to the first mold and the excess tail cannot be cut in time.

[0009] Preferably, a collecting trough is provided on the top of the base, and a liquid outlet pipe is fixedly connected to one side of the base. Through the arrangement of the collecting trough and the liquid outlet pipe, the collecting trough can be easily filled with cooling water, so as to perform timely cooling treatment on the mold.

[0010] Preferably, the inner wall of the collecting trough is fixedly connected with a support plate, and a wear-resistant layer is provided on the top of the support plate. The provision of the support plate facilitates the support and positioning of the movement of the first mold, thereby reducing the pressure at the connection between the cylinder and the first mold.

[0011] Preferably, a material guide plate is fixedly connected to the inner side wall of the collecting trough, and the material guide plate is arranged at an angle. Through the arrangement of the material guide plate, the outer shell of the unloaded material can be guided to prevent it from falling directly into the water.

[0012] Preferably, a sealing gasket is provided on the outer wall of the first mold, and a sealing gasket is provided on the outer wall of the second mold. By providing a sealing gasket on the outer wall of the first mold and a sealing gasket on the outer wall of the second mold, sealing during injection molding is ensured.

[0013] Beneficial effects of the utility model:

[0014] 1. The utility model provides a TV shell injection molding device. Through the arrangement of a transmission mechanism and a first gear, the redundant tail of the injection molded part can be automatically cut off when the injection molding is completed, so as to improve the processing efficiency of the outer wall of the TV, that is, the cylinder is started to drive the first mold to approach and fit the second mold, and the injection plastic is introduced into the second mold through the injection molding hole opened on the second mold and injection molding is performed. After the injection molding is completed, the cylinder is started to drive the first mold to move, the first mold drives the first transmission plate and the first rack to move, the first rack drives the first gear to rotate, the first gear drives the screw to rotate, the screw rotation drives the transmission block to move, the transmission block drives the cutting blade to move, and the redundant tail is cut off to improve the processing efficiency.

[0015] 2. The utility model provides a television shell injection molding device. Through the arrangement of a second transmission plate, a second rack, a third rack, a second gear and a sealing plate, the mold can be automatically ejected after the injection molding is completed, that is, the first mold moves while driving the second rack to move, the second rack drives the second gear to rotate through the third gear, the second gear drives the third rack to move through the transmission rod, the third rack drives the sealing plate to move, and the sealing plate pushes out the molded injection molded shell. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] The drawings described herein are used to provide a further understanding of the present invention and constitute a part of the present application. The exemplary embodiments of the present invention and their descriptions are used to explain the present invention and do not constitute an improper limitation on the present invention. In the drawings:

[0017] Figure 1 It is a three-dimensional diagram of the utility model;

[0018] Figure 2 It is a cross-sectional structural diagram of the first mold and the second mold in the utility model;

[0019] Figure 3 yes Figure 1 The enlarged structure diagram at A in the middle;

[0020] Figure 4 yes Figure 2 Enlarged structural diagram of point B in the middle.

[0021] Legend:

[0022] 1. Base; 2. Positioning plate; 3. Cylinder; 4. First mold; 5. Second mold; 6. First transmission plate; 7. First rack; 8. Transmission mechanism; 81. Cutting blade; 82. Screw rod; 83. Transmission block; 84. Cleaning groove; 85. First gear; 9. Second transmission plate; 10. Second gear; 11. Auxiliary rod; 12. Collecting groove; 13. Support plate; 14. Guide 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 of 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] Specific examples are given below.

[0025] See also Figure 1-Figure 4 The utility model provides a TV housing injection molding device, comprising a base 1; a positioning plate 2 is fixedly connected to the top of the base 1, a cylinder 3 is fixedly connected to one side of the positioning plate 2, a first mold 4 is fixedly connected to the output end of the cylinder 3, a second mold 5 is fixedly connected to the top of the base 1, a first transmission plate 6 is fixedly connected to the top of the first mold 4, and a first rack 7 is fixedly connected to one side of the first transmission plate 6;

[0026] A transmission mechanism 8 is provided on the base 1, and the transmission mechanism 8 includes a cleaning groove 84 provided on the inner side wall of the second mold 5, a cutting blade 81 is slidably connected in the cleaning groove 84, a through groove is provided on the inner side wall of the cleaning groove 84, a screw rod 82 is rotatably connected to the inner bottom wall of the through groove, a transmission block 83 is threadedly connected to the outer wall of the screw rod 82, one end of the transmission block 83 extends to the cleaning groove 84 and is fixedly connected to the cutting blade 81, the top end of the screw rod 82 passes through the cleaning groove 84 and is fixedly connected to the first gear 85, and the first gear 85 is meshed with the first rack 7; when working, through the setting of the transmission mechanism 8 and the first gear 85, the excess tail of the injection molded part can be automatically cut off when the injection molding is completed, so as to improve the processing efficiency of the outer wall of the TV, through By setting the transmission mechanism 8 and the first gear 85, the redundant tail of the injection molded part can be automatically cut off when the injection molding is completed, so as to improve the processing efficiency of the outer wall of the TV, that is, the cylinder 3 is started to drive the first mold 4 to approach and fit the second mold 5, and the injection plastic is introduced into the second mold 5 through the injection hole opened on the second mold 5 and injection molding is performed. After the injection molding is completed, the cylinder 3 is started to drive the first mold 4 to move, the first mold 4 drives the first transmission plate 6 and the first rack 7 to move, the first rack 7 drives the first gear 85 to rotate, the first gear 85 drives the screw rod 82 to rotate, the screw rod 82 rotates to drive the transmission block 83 to move, the transmission block 83 drives the cutting blade 81 to move, and the redundant tail is cut to improve the processing efficiency.

[0027] Further, such as Figure 2 and Figure 3 As shown, the top of the first mold 4 is fixedly connected with the second transmission plate 9, the top of the base 1 is rotatably connected with the transmission rod, the outer wall of the transmission rod is fixedly connected with the second gear 10, one side of the second transmission plate 9 is fixedly connected with the second rack, the inner side wall of the second mold 5 is provided with a sealing groove, the sealing groove is slidably connected with a sealing plate, the side of the sealing plate away from the first mold 4 is fixedly connected with the third rack, the top of the second mold 5 is rotatably connected with the third gear, the third rack is meshed with the second gear, the other end of the third rack runs through the second mold 5, the third gear is meshed with the second rack, and the second gear 10 is meshed with the third gear. During operation, through the arrangement of the second transmission plate 9, the second rack, the third rack, the second gear 10 and the sealing plate, it is convenient to automatically discharge the mold after the injection molding is completed, that is, the first mold 4 moves while driving the second rack 10 to move, the second rack 10 drives the second gear 10 to rotate through the third gear, the second gear 10 drives the third rack to move through the transmission rod, the third rack drives the sealing plate to move, and the sealing plate pushes out the molded injection shell.

[0028] Further, such as Figure 2As shown, a through hole is provided on the inner side wall of the first mold 4, an auxiliary block is slidably connected in the through hole, an auxiliary rod 11 is fixedly connected to a side of the auxiliary block close to the positioning plate 2, and the other end of the auxiliary rod 11 extends out of the through hole and is fixedly connected to the positioning plate 2. During operation, the auxiliary block and the auxiliary rod 11 are arranged to prevent the mold from adhering to the first mold 4, and the excess tail cannot be cut in time.

[0029] Further, such as Figure 1 As shown, a collecting tank 12 is provided on the top of the base 1, and a liquid outlet pipe is fixedly connected to one side of the base 1. During operation, the collecting tank 12 and the liquid outlet pipe can be arranged to fill the collecting tank 12 with cooling water, so as to cool the mold in time.

[0030] Further, such as Figure 1 and Figure 2 As shown, the inner wall of the collecting tank 12 is fixedly connected with a support plate 13, and a wear-resistant layer is arranged on the top of the support plate 13. During operation, the support plate 13 is arranged to facilitate the support and positioning of the movement of the first mold 4, and reduce the pressure at the connection between the cylinder 3 and the first mold 4.

[0031] Further, such as Figure 1 and Figure 2 As shown, the inner side wall of the collecting tank 12 is fixedly connected with a guide plate 14, and the guide plate 14 is arranged obliquely. During operation, the setting of the guide plate 14 can guide the shell of the material to prevent it from falling directly into the water.

[0032] Further, such as Figure 1 and Figure 2 As shown, a sealing gasket is provided on the outer wall of the first mold 4, and a sealing gasket is provided on the outer wall of the second mold 5. During operation, the sealing gasket is provided on the outer wall of the first mold 4, and the sealing gasket is provided on the outer wall of the second mold 5 to ensure the sealing during injection molding.

[0033] Working principle: start the cylinder 3 to drive the first mold 4 to approach and fit the second mold 5, and introduce the injection plastic into the second mold 5 through the injection hole opened on the second mold 5 and perform injection molding. After the injection molding is completed, start the cylinder 3 to drive the first mold 4 to move, the first mold 4 drives the first transmission plate 6 and the first rack 7 to move, the first rack 7 drives the first gear 85 to rotate, the first gear 85 drives the screw rod 82 to rotate, the screw rod 82 rotates and drives the transmission block 83 to move, the transmission block 83 drives the cutting blade 81 to move and cuts the excess tail to improve the processing efficiency, the first mold 4 moves and drives the third rack to move, the third rack drives the second gear 10 to rotate, the second gear 10 drives the second rack to move through the transmission rod, the second rack drives the sealing plate to move, and the sealing plate pushes out the molded injection molded shell.

[0034] The above shows and describes the basic principle, main features and advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above embodiments, and the above embodiments and descriptions are only for explaining the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model may have various changes and improvements, and these changes and improvements fall within the scope of the utility model to be protected.

Claims

1. A TV housing injection molding device, characterized in that: The invention comprises a base (1); a positioning plate (2) is fixedly connected to the top of the base (1); a cylinder (3) is fixedly connected to one side of the positioning plate (2); a first mold (4) is fixedly connected to the output end of the cylinder (3); a second mold (5) is fixedly connected to the top of the base (1); a first transmission plate (6) is fixedly connected to the top of the first mold (4); a first rack (7) is fixedly connected to one side of the first transmission plate (6); The base (1) is provided with a transmission mechanism (8), the transmission mechanism (8) comprising a cleaning groove (84) provided on the inner side wall of the second mold (5), a cutting blade (81) being slidably connected in the cleaning groove (84), a through groove being provided on the inner side wall of the cleaning groove (84), a screw rod (82) being rotatably connected to the inner bottom wall of the through groove, a transmission block (83) being threadedly connected to the outer wall of the screw rod (82), one end of the transmission block (83) extending to the cleaning groove (84) and being fixedly connected to the cutting blade (81), a top end of the screw rod (82) passing through the cleaning groove (84) and being fixedly connected to a first gear (85), and the first gear (85) being meshingly connected to the first rack (7).

2. A TV housing injection molding device according to claim 1, characterized in that: The top of the first mold (4) is fixedly connected to a second transmission plate (9), the top of the base (1) is rotatably connected to a transmission rod, the outer wall of the transmission rod is fixedly connected to a second gear (10), one side of the second transmission plate (9) is fixedly connected to a second rack, the inner side wall of the second mold (5) is provided with a sealing groove, a sealing plate is slidably connected in the sealing groove, a side of the sealing plate away from the first mold (4) is fixedly connected to a third rack, the top of the second mold (5) is rotatably connected to a third gear, the third rack is meshed with the second gear (10), the other end of the third rack passes through the second mold (5), the third gear is meshed with the second rack, and the second gear (10) is meshed with the third gear.

3. A TV housing injection molding device according to claim 2, characterized in that: The inner side wall of the first mold (4) is provided with a through hole, an auxiliary block is slidably connected in the through hole, an auxiliary rod (11) is fixedly connected to a side of the auxiliary block close to the positioning plate (2), and the other end of the auxiliary rod (11) extends out of the through hole and is fixedly connected to the positioning plate (2).

4. A TV housing injection molding device according to claim 3, characterized in that: A collecting tank (12) is provided on the top of the base (1), and a liquid outlet pipe is fixedly connected to one side of the base (1).

5. A TV housing injection molding device according to claim 4, characterized in that: A support plate (13) is fixedly connected to the inner side wall of the collecting tank (12), and a wear-resistant layer is provided on the top of the support plate (13).

6. A TV housing injection molding device according to claim 5, characterized in that: A material guide plate (14) is fixedly connected to the inner side wall of the collecting trough (12), and the material guide plate (14) is arranged at an angle.

7. A TV housing injection molding device according to claim 6, characterized in that: The outer wall of the first mold (4) is provided with a sealing gasket, and the outer wall of the second mold (5) is provided with a sealing gasket.

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