Scissor handle injection molding device

Abstract

The utility model relates to the technical field of injection molds, in particular to a scissor handle injection molding device which comprises a machine shell, fixing plates are arranged on the front side and the rear side of the top end of the machine shell respectively, a conveying pipe is rotationally connected to the two fixing plates through bearings, and one end of the conveying pipe extends to the front ends of the fixing plates and is fixedly connected with a rotating connector. The rotating joint is connected with a raw material conveying pipe, the outer wall of the conveying pipe is fixedly sleeved with a rotating roller, a lifting assembly is arranged in an inner cavity of the machine shell, a lifting plate is arranged at the top end of the lifting assembly, and telescopic assemblies are arranged at the four corners of the bottom end of the lifting plate correspondingly. The bottom ends of the multiple telescopic assemblies are fixedly connected with the bottom end of the inner cavity of the machine shell. The scissor handle injection molding device solves the problem that in the actual using process of a scissor handle injection molding device in the prior art, a mold is inconvenient to replace according to different scissor handle injection molding requirements, so that the flexibility is poor in the using process of the scissor handle injection molding device.

Description

Technical Field

[0001] The utility model relates to the technical field of injection molds, in particular to an injection molding device for scissor handles. Background Art

[0002] Scissors (jiǎn dāo) are double-edged tools for cutting sheet or linear objects such as cloth, paper, steel plates, ropes, round steel, etc. The two blades are staggered and can be opened and closed. In China, due to the development of the textile industry, there is a distinction between scissors and shears in the industry. If the scissors are like knives, they are called scissors. Their shape is like an iron pillar folded in half, with a double-edged knife at the tip. They are commonly used in women's needlework and textiles. Now they are influenced by foreign cultures and are called U-shaped scissors. The blades are longer than the scissors, which are used to cut woven cloth. Nowadays, some places call nail clippers scissors because they are like scissors. Design a knife case. When the scissors are not in use, they are sealed with a knife case to avoid injury. In order to prevent the plastic on the outside of the scissors handle from being damaged or falling off, silicone material is specially injected on the handle of the scissors for protection. However, the scissors handle injection molding device of the prior art is not convenient for replacing the mold according to different scissors handle injection molding requirements during actual use, resulting in poor flexibility during use. In view of this problem, a scissors handle injection molding device is provided. Utility Model Content

[0003] The purpose of the utility model is to provide a scissors handle injection molding device to solve the problems raised in the above background technology. To achieve the above purpose, the utility model provides the following technical solutions: a scissors handle injection molding device, including a casing, the front and rear sides of the top of the casing are respectively provided with fixed plates, the two fixed plates are rotatably connected with conveying pipes through bearings, one end of the conveying pipe extends to the front end of the fixed plate and is fixedly connected with a rotating joint, the rotating joint is connected to the raw material conveying pipe, the outer wall of the conveying pipe is fixedly sleeved with a rotating roller, the inner cavity of the casing is provided with a lifting assembly, the top of the lifting assembly is provided with a lifting plate, the bottom four corners of the lifting plate are provided with telescopic assemblies, and the bottom ends of multiple telescopic assemblies are fixedly connected to the bottom end of the inner cavity of the casing.

[0004] Preferably, each side wall of the rotating roller is provided with a plurality of injection molding grooves, each side wall of the rotating roller is provided with a plurality of placement grooves for placing scissors, the injection molding grooves are connected to the placement grooves, and a plurality of connecting tubes are arranged on the circumference of the outer wall of the conveying tube, and the plurality of connecting tubes are respectively connected to a plurality of injection molding grooves.

[0005] Preferably, a magnet is fixedly embedded in the inner cavity of each placement slot.

[0006] Preferably, each of the telescopic components includes a telescopic cylinder, a telescopic rod, a connecting groove and a connecting block. The telescopic cylinder is arranged at the four corners of the bottom end of the inner cavity of the casing, one end of the telescopic rod can be slidably inserted in the inner cavity of the telescopic cylinder, and the other end of the telescopic rod is fixedly connected to a corner of the bottom end of the lifting plate. The connecting groove is opened on the inner wall of the telescopic cylinder, and the connecting block can be slidably embedded in the inner cavity of the connecting groove and fixedly connected to the outer wall of the telescopic rod. The inner cavity of the connecting groove is matched with the outer wall of the connecting block and both are dovetail-shaped.

[0007] Preferably, the lifting assembly includes a screw rod, a turntable, a slider, a fixed seat, a connecting rod and a limit assembly, one end of the screw rod is rotatably connected to the rear side of the inner cavity of the casing through a bearing, the other end of the screw rod extends to the front end of the casing and is fixedly connected to the turntable, the two sliders are respectively screwed on the front and rear sides of the outer wall of the screw rod, the fixed seat is arranged in the middle of the bottom end of the lifting plate, one end of the two connecting rods are respectively hinged to the front and rear sides of the bottom end of the fixing seat, the other ends of the two connecting rods are respectively hinged to the top ends of the two sliders, and the limit assembly is arranged at the bottom end of the inner cavity of the casing and fixedly connected to the bottom ends of the two sliders.

[0008] Preferably, the threads on the front and rear sides of the outer wall of the screw rod are arranged opposite to each other.

[0009] Preferably, the limit assembly includes a limit slot and a limit block, the limit slot is opened at the bottom end of the inner cavity of the casing, the two limit blocks can be slidably embedded in the inner cavity of the limit slot and are respectively fixedly connected to the bottom ends of the two sliders, the inner cavity of the limit slot is adapted to fit the outer wall of the limit block and are both in a "T" shape.

[0010] Compared with the prior art, the utility model has the following beneficial effects:

[0011] 1. By rotating the rotating roller, the injection grooves and placement grooves of different models on different surfaces of the outer wall of the rotating roller are aligned with another mold, so that the injection grooves can be easily switched. By setting the lifting component, the lifting plate can slide upward along a straight line under the limiting action of multiple telescopic components, so that the lifting plate is against the bottom end of the rotating roller, thereby fixing the angle of the rotating roller, preventing the rotating roller from rotating during the injection molding process, improving the stability of the device when in use, and solving the problem that the scissors handle injection molding device of the prior art is not convenient for replacing the mold according to different scissors handle injection molding requirements during actual use, resulting in poor flexibility during use;

[0012] 2. Through the setting of the rotary joint, the conveying pipe and the connecting pipe, the injection molding raw material can be conveyed to the inner cavity of the injection molding tank, which is convenient for injection molding. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 It is a three-dimensional structural schematic diagram of the utility model;

[0014] Figure 2 This is a front cross-sectional view of the rotating roller of the utility model;

[0015] Figure 3 It is a right side view of the utility model;

[0016] Figure 4 It is a left side cross-sectional view of the casing of the utility model;

[0017] Figure 5 For this utility model Figure 4 A magnified image of point A;

[0018] Figure 6 It is a front sectional view of the telescopic cylinder of the utility model.

[0019] In the figure: 1. casing; 2. fixing plate; 3. conveying pipe; 4. rotating roller; 5. rotating joint; 6. injection groove; 7. placement groove; 8. magnet; 9. telescopic cylinder; 10. telescopic rod; 11. connecting groove; 12. connecting block; 13. screw rod; 14. turntable; 15. slider; 16. fixing seat; 17. connecting rod; 18. limiting groove; 19. limiting block; 20. lifting plate; 21. connecting pipe. DETAILED DESCRIPTION

[0020] 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 technical personnel in this field without creative work are within the scope of protection of the utility model.

[0021] See also Figures 1 to 6The utility model provides a technical solution: a scissors handle injection molding device, including a casing 1, a fixed plate 2 is respectively arranged on the front and rear sides of the top of the casing 1, a conveying pipe 3 is rotatably connected to the two fixed plates 2 through a bearing, one end of the conveying pipe 3 extends to the front end of the fixed plate 2 and is fixedly connected to a rotating joint 5, the rotating joint 5 is connected to the raw material conveying pipe, and a rotating roller 4 is fixedly sleeved on the outer wall of the conveying pipe 3, a lifting component is arranged on the inner cavity of the casing 1, a lifting plate 20 is arranged on the top of the lifting component, and telescopic components are arranged at the four corners of the bottom end of the lifting plate 20, and the bottom ends of the multiple telescopic components are fixedly connected to the bottom end of the inner cavity of the casing 1, and the rotating roller 4 is rotated to make the rotating roller 4 rotate. Different types of injection grooves 6 and placement grooves 7 on different surfaces of the outer wall of the rotating roller 4 are aligned with another mold, so that the injection groove 6 can be easily switched. Through the setting of the lifting component, the lifting plate 20 can slide upward along a straight line under the limiting action of multiple telescopic components, so that the lifting plate 20 is against the bottom end of the rotating roller 4, thereby achieving the fixation of the angle of the rotating roller 4, preventing the rotating roller 4 from rotating during the injection molding process, improving the stability of the device during use, and solving the problem that the scissors handle injection molding device of the prior art is not convenient for replacing the mold according to different scissors handle injection molding requirements during actual use, resulting in poor flexibility during use.

[0022] In this embodiment, each side wall of the rotating roller 4 is provided with a plurality of injection molding grooves 6, and each side wall of the rotating roller 4 is provided with a plurality of placement grooves 7 for placing scissors, the injection molding grooves 6 are connected with the placement grooves 7, and a plurality of connecting tubes 21 are arranged on the circumference of the outer wall of the conveying tube 3, and the plurality of connecting tubes 21 are respectively connected with the plurality of injection molding grooves 6. Through the arrangement of the rotating joint 5, the conveying tube 3 and the connecting tube 21, the injection molding raw materials can be transported to the inner cavity of the injection molding groove 6, so as to facilitate injection molding.

[0023] In this embodiment, a magnet 8 is fixedly embedded in the inner cavity of each placement slot 7, which can stably adsorb the scissors in the inner cavity of the placement slot 7 to prevent the scissors from escaping from the inner cavity of the placement slot 7, thereby improving the stability of the device during use.

[0024] In this embodiment, each telescopic assembly includes a telescopic cylinder 9, a telescopic rod 10, a connecting groove 11 and a connecting block 12. The telescopic cylinder 9 is arranged at the four corners of the bottom end of the inner cavity of the housing 1. One end of the telescopic rod 10 can be slidably inserted into the inner cavity of the telescopic cylinder 9. The other end of the telescopic rod 10 is fixedly connected to a corner of the bottom end of the lifting plate 20. Under the joint action of the telescopic rod 10 and the telescopic cylinder 9, the lifting plate 20 can always slide up and down along a straight line, thereby improving the stability of the device when in use. The connecting groove 11 is opened at the telescopic cylinder 9. The inner wall of the tube 9, the connecting block 12 can be slidably embedded in the inner cavity of the connecting groove 11 and fixedly connected to the outer wall of the telescopic rod 10. Under the joint action of the connecting block 12 and the connecting groove 11, one end of the telescopic rod 10 can always be inserted into the inner cavity of the telescopic tube 9, thereby improving the stability of the telescopic assembly when in use. The inner cavity of the connecting groove 11 and the outer wall of the connecting block 12 are adapted to each other and are both dovetail-shaped, thereby ensuring that one end of the connecting block 12 is always embedded in the inner cavity of the connecting groove 11, thereby improving the stability of the connecting assembly when in use.

[0025] In this embodiment, the lifting assembly includes a screw rod 13, a turntable 14, a slider 15, a fixed seat 16, a connecting rod 17 and a limit assembly. One end of the screw rod 13 is rotatably connected to the rear side of the inner cavity of the casing 1 through a bearing, and the other end of the screw rod 13 extends to the front end of the casing 1 and is fixedly connected to the turntable 14. The two sliders 15 are respectively screwed to the front and rear sides of the outer wall of the screw rod 13. The fixed seat 16 is arranged in the middle of the bottom end of the lifting plate 20. One end of the two connecting rods 17 is respectively hinged to the front and rear sides of the bottom end of the fixed seat 16, and the other ends of the two connecting rods 17 are respectively hinged to the top ends of the two sliders 15. The limit assembly is arranged at the bottom end of the inner cavity of the casing 1 and is connected to the The bottom end is fixedly connected, and the turntable 14 is rotated to make the turntable 14 drive the screw rod 13 to rotate, so that the threads opposite to each other on the front and rear sides of the outer wall of the screw rod 13 generate relative thread rotation force, so that the two sliders 15 slide toward the middle of the screw rod 13 at the same time under the limiting action of the limiting groove 18 and the limiting block 19, so that the two connecting rods 17 push the fixed seat 16 and the lifting plate 20 to slide upward along a straight line under the limiting action of multiple telescopic rods 10 and the telescopic cylinder 9, so that the top end of the lifting plate 20 is against the bottom end of the rotating roller 4, thereby realizing the fixing of the angle of the rotating roller 4, preventing the rotating roller 4 from rotating during the injection molding process, and improving the stability of the device when in use.

[0026] In this embodiment, the threads on the front and rear sides of the outer wall of the screw rod 13 are arranged relative to each other, so that when the screw rod 13 rotates, the front and rear sides of its outer wall generate relative thread rotation force, so that the two sliders 15 slide relatively at the same time under the limiting action of the limiting groove 18 and the limiting block 19.

[0027] In this embodiment, the limit assembly includes a limit groove 18 and a limit block 19. The limit groove 18 is opened at the bottom end of the inner cavity of the casing 1. The two limit blocks 19 can be slidably embedded in the inner cavity of the limit groove 18 and are respectively fixedly connected to the bottom ends of the two sliders 15. Under the joint action of the limit groove 18 and the limit block 19, the slider 15 can be prevented from rotating with the screw rod 13 when the screw rod 13 rotates, thereby improving the stability of the lifting assembly when in use. The inner cavity of the limit groove 18 and the outer wall of the limit block 19 are matched and both are in a "T" shape, so that one end of the limit block 19 can always remain embedded in the inner cavity of the limit groove 18, thereby improving the stability of the limit assembly when in use.

[0028] The use method and advantages of the utility model: When in use, the working process is as follows:

[0029] By rotating the rotating roller 4, the injection molding grooves 6 and the placement grooves 7 of different models on different surfaces of the outer wall of the rotating roller 4 are aligned with another mold, so that the injection molding grooves 6 can be easily switched. The turntable 14 is rotated to drive the screw rod 13 to rotate, so that the threads opposite to each other on the front and rear sides of the outer wall of the screw rod 13 produce relative thread rotation force, so that the two sliders 15 slide toward the middle of the screw rod 13 at the same time under the limiting action of the limiting groove 18 and the limiting block 19, so that the two connecting rods 17 push the fixed seat 16 and the lifting plate 20 to slide upward along a straight line under the limiting action of multiple telescopic rods 10 and the telescopic cylinder 9, so that the top end of the lifting plate 20 is against the bottom end of the rotating roller 4, thereby achieving the fixing of the angle of the rotating roller 4, preventing the rotating roller 4 from rotating during the injection molding process, and improving the stability of the device when in use. Through the arrangement of the rotating joint 5, the conveying pipe 3 and the connecting pipe 21, the injection molding raw material can be conveyed to the inner cavity of the injection molding groove 6, which is convenient for injection molding.

[0030] The above shows and describes the basic principle, main features and advantages of the utility model. Technical staff in this industry should understand that the utility model is not limited by the above embodiments. The above embodiments and descriptions are only preferred examples of the utility model and are not used to limit the utility model. Without departing from the spirit and scope of the utility model, the utility model will have various changes and improvements, which fall within the scope of the utility model to be protected. The scope of protection of the utility model is defined by the attached claims and their equivalents.

Claims

1. A scissors handle injection molding device, comprising a housing (1), characterized in that: The casing (1) is provided with fixed plates (2) at the front and rear sides of the top end, respectively; the two fixed plates (2) are rotatably connected to a conveying pipe (3) via a bearing; one end of the conveying pipe (3) extends to the front end of the fixed plate (2) and is fixedly connected to a rotating joint (5); the rotating joint (5) is connected to a raw material conveying pipe; a rotating roller (4) is fixedly sleeved on the outer wall of the conveying pipe (3); the inner cavity of the casing (1) is provided with a lifting assembly; the top end of the lifting assembly is provided with a lifting plate (20); the bottom four corners of the lifting plate (20) are provided with telescopic assemblies; the bottom ends of the plurality of telescopic assemblies are fixedly connected to the bottom end of the inner cavity of the casing (1).

2. A scissors handle injection molding device according to claim 1, characterized in that: Each side wall of the rotating roller (4) is provided with a plurality of injection grooves (6), each side wall of the rotating roller (4) is provided with a plurality of placement grooves (7) for placing scissors, the injection grooves (6) are connected to the placement grooves (7), and the outer wall circumference of the conveying tube (3) is provided with a plurality of connecting tubes (21), and the plurality of connecting tubes (21) are respectively connected to the plurality of injection grooves (6).

3. A scissors handle injection molding device according to claim 2, characterized in that: A magnet (8) is fixedly embedded in the inner cavity of each placement slot (7).

4. A scissors handle injection molding device according to claim 1, characterized in that: Each of the telescopic components comprises a telescopic cylinder (9), a telescopic rod (10), a connecting groove (11) and a connecting block (12); the telescopic cylinder (9) is arranged at the four corners of the bottom end of the inner cavity of the casing (1); one end of the telescopic rod (10) is slidably inserted into the inner cavity of the telescopic cylinder (9); the other end of the telescopic rod (10) is fixedly connected to a corner of the bottom end of the lifting plate (20); the connecting groove (11) is provided on the inner wall of the telescopic cylinder (9); the connecting block (12) is slidably embedded in the inner cavity of the connecting groove (11) and is fixedly connected to the outer wall of the telescopic rod (10); the inner cavity of the connecting groove (11) and the outer wall of the connecting block (12) are adapted to each other and are both dovetail-shaped.

5. A scissors handle injection molding device according to claim 1, characterized in that: The lifting assembly comprises a screw rod (13), a rotating disk (14), a slider (15), a fixing seat (16), a connecting rod (17) and a limiting assembly. One end of the screw rod (13) is rotatably connected to the rear side of the inner cavity of the casing (1) through a bearing, the other end of the screw rod (13) extends to the front end of the casing (1) and is fixedly connected to the rotating disk (14), the two sliders (15) are respectively screwed to the front and rear sides of the outer wall of the screw rod (13), the fixing seat (16) is arranged at the middle part of the bottom end of the lifting plate (20), one end of the two connecting rods (17) are respectively hinged to the front and rear sides of the bottom end of the fixing seat (16), the other ends of the two connecting rods (17) are respectively hinged to the top ends of the two sliders (15), and the limiting assembly is arranged at the bottom end of the inner cavity of the casing (1) and is fixedly connected to the bottom ends of the two sliders (15).

6. A scissors handle injection molding device according to claim 5, characterized in that: The threads on the front and rear sides of the outer wall of the screw rod (13) are arranged opposite to each other.

7. A scissors handle injection molding device according to claim 5, characterized in that: The limiting assembly comprises a limiting groove (18) and a limiting block (19); the limiting groove (18) is arranged at the bottom end of the inner cavity of the housing (1); the two limiting blocks (19) are slidably embedded in the inner cavity of the limiting groove (18) and are respectively fixedly connected to the bottom ends of the two sliding blocks (15); the inner cavity of the limiting groove (18) is adapted to fit the outer wall of the limiting block (19) and are both in a "T" shape.

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