Fixing device for coating injection molding of long-strip-shaped hardware

Abstract

The utility model discloses a fixing device for coating injection molding of long-strip-shaped hardware. The fixing device comprises an injection molding cavity, a transmission assembly arranged at one end of the injection molding cavity, and a fixing assembly connected with the transmission assembly, the injection molding cavity comprises a transmission cavity and a fixed cavity formed in one side of the transmission cavity; the transmission assembly is arranged in the transmission cavity, and the fixing assembly is arranged in the fixing cavity; the fixing assembly comprises a rotating assembly, a clamping piece meshed with the rotating assembly, and an ejection piece arranged on the inner side of the clamping piece. The clamping pieces are arranged in an L shape, the number of the clamping pieces is two, and the two clamping pieces are arranged in a rectangular shape. The hole between the clamping piece and the hardware is controlled through the ejecting piece, and coating injection molding is carried out, so that coating can be completed at a time when the long-strip-shaped hardware is coated, repeated coating operation is avoided, and the working efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the field of overmolding of long strip-shaped hardware parts, in particular to a fixing device for overmolding long strip-shaped hardware parts. Background Technique

[0002] In the hardware manufacturing industry, the overmolding technology of long strip-shaped hardware parts has always been an important process. The purpose of overmolding is not only to improve the appearance quality of the hardware parts, but also to enhance their durability, waterproofness and wear resistance, so as to meet the use requirements in various complex environments. However, in the existing devices, such as the existing utility model patent 202322173616.6, a fireproof overmolding structure for building pipelines, including a mounting plate, the upper surface of the mounting plate is fixedly connected with a pipeline main body, the outer wall of the pipeline main body is fixedly connected with a first overmolding plate, a second overmolding plate is arranged above the first overmolding plate, the outer wall of the second overmolding plate is fixedly connected to the outer wall of the pipeline main body, a connecting block is arranged at the upper end of the first overmolding plate, an installation groove is opened inside the connecting block, and the outer wall of the second overmolding plate is fixedly connected to the inner wall of the installation groove. In the utility model, through the cooperation between the connecting block, the installation groove, the clamping block and the clamping groove; in the process of overmolding long strip-shaped hardware parts in the existing device, it is necessary to fix the hardware parts through multiple points, and then inject the molten overmolding material. After the overmolding material cools, an overmolding structure is formed on the surface of the hardware parts. However, in this kind of overmolding, after fixing and then injecting and overmolding, the fixed points cannot be overmolded, and it is necessary to change the points multiple times for overmolding, so as to form an overmolding on the whole hardware part. This kind of overmolding is too complex and the operation is rather troublesome.

[0003] Therefore, it is necessary to improve a fixing device for overmolding long strip-shaped hardware parts in the prior art to solve the above problems. Summary of the Invention

[0004] The utility model overcomes the deficiencies of the prior art and provides a fixing device for overmolding long strip-shaped hardware parts, aiming to solve the problems in the prior art.

[0005] To achieve the above object, the technical solution adopted by the utility model is: a fixing device for overmolding long strip-shaped hardware parts, including: an injection molding cavity, a transmission assembly arranged at one end of the injection molding cavity, and a fixing assembly connected to the transmission assembly;

[0006] The injection molding cavity includes: a transmission cavity, and a fixing cavity arranged on one side of the transmission cavity; the transmission assembly is arranged in the transmission cavity, and the fixing assembly is arranged in the fixing cavity; the fixing cavity is fixedly connected to one side of the transmission cavity;

[0007] The transmission assembly includes a transmission motor and a sprocket set fixedly connected to the transmission motor; the sprocket set is rotatably connected to the transmission cavity, and the transmission motor is fixedly connected to the transmission cavity; the sprocket set is fixedly connected to the fixing assembly;

[0008] The fixing assembly includes a rotating assembly, a clamping member engaged with the rotating assembly, and a pressing member disposed inside the clamping member; the clamping member is L-shaped, and there are two clamping members, and the two clamping members are arranged in a rectangle.

[0009] In a preferred embodiment of the present utility model, a placement groove is opened at the middle position of the fixing cavity in the horizontal direction for placing hardware.

[0010] In a preferred embodiment of the present utility model, a moving groove is opened at the middle position of the fixing cavity in the vertical direction, and the moving groove is slidably connected to the fixing assembly.

[0011] In a preferred embodiment of the present utility model, the sprocket set includes a driving sprocket and a driven sprocket disposed on one side of the driving sprocket; one side of the driving sprocket is fixedly connected to the transmission motor.

[0012] In a preferred embodiment of the present utility model, the rotating assembly includes a rotating shaft and a plurality of rotating gears fixedly connected to the rotating shaft; one end of the rotating shaft is rotatably connected to the fixing cavity, and the other end is fixedly connected to the gear set.

[0013] In a preferred embodiment of the present utility model, tooth grooves are opened on the outer sides of the two clamping members, and the tooth grooves are engaged with the rotating gears.

[0014] In a preferred embodiment of the present utility model, one side of the clamping member is fixedly connected with an injection molding plate, the injection molding plate is L-shaped, and a rubber pad is disposed on one side of the injection molding plate.

[0015] In a preferred embodiment of the present utility model, the length of the injection molding plate is equal to the distance between two adjacent clamping members, and the center of the injection molding plate coincides with the center of the placement groove.

[0016] The present utility model solves the defects existing in the background technology, and the present utility model has the following beneficial effects:

[0017] 1. The present utility model provides a fixing device for the overmolding of strip-shaped hardware. Through the mutual cooperation of the clamping member, the pressing member and the transmission assembly, the transmission assembly drives the clamping member to move up and down, so that the clamping member drives the pressing member to clamp the strip-shaped hardware. Compared with the prior art, this device clamps the strip-shaped hardware with two reverse L-shaped clamping members, and controls the gap between the clamping member and the hardware through the pressing member. When performing overmolding, the strip-shaped hardware can be completely overmolded at one time, avoiding repeated overmolding operations, and improving work efficiency.

[0018] 2. The present utility model provides a fixing device for injection molding of strip-shaped hardware parts. By arranging a plurality of clamping parts and driving a rotating shaft to drive a gear to rotate, the clamping parts are driven to move in the opposite direction, and at the same time, the top part is driven to move, so as to form multi-point clamping on the strip-shaped hardware parts. Compared with the prior art, multi-point clamping of the strip-shaped hardware parts is carried out through the top part, which improves the stability of the hardware parts during the injection molding process and avoids the situation that the hardware parts shake in the liquid environment, resulting in inconsistent coating thickness. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The present utility model will be further described below in conjunction with the drawings and embodiments;

[0020] Figure 1 is a three-dimensional structure diagram of a preferred embodiment of the present utility model;

[0021] Figure 2 is a schematic cross-sectional view of the overall structure of a preferred embodiment of the present utility model;

[0022] In the figure:

[0023] 1. Injection molding cavity; 10. Transmission cavity; 11. Fixed cavity;

[0024] 2. Transmission component; 20. Transmission motor; 21. Sprocket group;

[0025] 3. Fixed component; 30. Clamping part; 31. Top part; 32. Gear; 33. Rotating shaft. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0026] Now, the present utility model will be further described in detail in conjunction with the drawings and embodiments. These drawings are all simplified schematic diagrams, which only illustrate the basic structure of the present utility model in a schematic manner. Therefore, they only show the components related to the present utility model.

[0027] As Figure 1 shown, a fixing device for injection molding of strip-shaped hardware parts includes: an injection molding cavity 1, a transmission component 2 arranged at one end of the injection molding cavity 1, and a fixed component 3 connected to the transmission component 2;

[0028] It should be noted that the injection molding cavity 1 is arranged in a cavity shape, the transmission component 2 and the fixed component 3 are both arranged inside the injection molding cavity 1, and the fixed component 3 is arranged on one side of the transmission component 2. During use, the hardware parts to be injection molded are placed in the fixed component 3, and then the transmission component 2 is used for transmission to drive the fixed component 3 to move, so as to fix the hardware parts, and finally injection molding is carried out.

[0029] The injection mold cavity 1 includes: a transmission cavity 10, and a fixed cavity 11 provided on one side of the transmission cavity 10; a transmission component 2 is arranged in the transmission cavity 10, and a fixed component 3 is arranged in the fixed cavity 11; the fixed cavity 11 is fixedly connected to one side of the transmission cavity 10;

[0030] In a preferred embodiment of the present invention, a placement groove is opened at the middle position of the fixed cavity 11 in the horizontal direction, and the placement groove is used for placing hardware parts.

[0031] In a preferred embodiment of the present invention, a moving groove is opened at the middle position of the fixed cavity 11 in the vertical direction, and the moving groove is slidably connected to the fixed component 3.

[0032] It should be noted that the fixed cavity 11 and the transmission cavity 10 form a complete cavity. The fixed component 3 is arranged in the fixed cavity 11, the transmission component 2 is arranged in the transmission cavity 10, and the placement groove is opened at the middle position of the fixed cavity 11 in the horizontal direction. When in use, the long strip-shaped hardware parts are placed into the fixed cavity 11 from the placement groove, and then the transmission component 2 drives the fixed component 3 to move, so as to clamp and fix the long strip-shaped hardware parts. At the same time, the moving groove is opened on the upper and lower sides of the fixed cavity 11 in the vertical direction. When the transmission component 2 drives the fixed component 3 to move and clamp, the moving groove and the clamping part 30 are both located on the same horizontal plane, thus avoiding interference of the fixed cavity 11 on the clamping part 30 when the clamping part 30 moves up and down.

[0033] The transmission component 2 includes: a transmission motor 20, and a sprocket group 21 fixedly connected to the transmission motor 20; the sprocket group 21 is rotatably connected in the transmission cavity 10, and the transmission motor 20 is fixedly connected to the transmission cavity 10; the sprocket group 21 is fixedly connected to the fixed component;

[0034] In a preferred embodiment of the present invention, the sprocket group 21 includes a driving sprocket and a driven sprocket arranged on one side of the driving sprocket; one side of the driving sprocket is fixedly connected to the transmission motor 20.

[0035] It should be noted that the sprocket group 21 includes a driving sprocket and a driven sprocket. The driving sprocket and the driven sprocket are connected and driven by a chain. The driving sprocket and the driven sprocket are rotatably connected to the transmission cavity 10. The two sides of the driving sprocket are respectively fixedly connected to the transmission motor 20 and the rotating shaft 33. The transmission motor 20 is fixedly connected to the transmission cavity 10. The transmission motor 20 is a servo motor. Therefore, when the device is in use, by controlling the forward and reverse rotation of the transmission motor 20, the forward and reverse rotation of the driving sprocket is controlled, and thus the forward and reverse rotation of the driven sprocket is controlled by the chain. On one side of the driven sprocket, it is also fixedly connected to the rotating shaft 33, and the two rotating shafts 33 are located on the same side of the sprocket group 21.

[0036] Such as Figure 2As shown, the fixing component 3 includes: a rotating component, a clamping member 30 meshing with the rotating component, and a top member 31 disposed inside the clamping member 30; the clamping member 30 is arranged in an L shape, and there are two clamping members 30, and the two clamping members 30 are arranged in a rectangle.

[0037] In a preferred embodiment of the present invention, the rotating component includes: a rotating shaft 33, and a plurality of rotating gears 32 fixedly connected to the rotating shaft 33; one end of the rotating shaft 33 is rotatably connected to the fixed cavity 11, and the other end is fixedly connected to the gear 32 group.

[0038] In a preferred embodiment of the present invention, tooth grooves are formed on the outer sides of the two clamping members 30, and the tooth grooves are meshed with the rotating gears 32.

[0039] In a preferred embodiment of the present invention, an injection molding plate is fixedly connected to one side of the clamping member 30, the injection molding plate is arranged in an L shape, and a rubber pad is arranged on one side of the injection molding plate.

[0040] In a preferred embodiment of the present invention, the length of the injection molding plate is equal to the distance between two adjacent clamping members 30, and the center of the injection molding plate coincides with the center of the placement groove.

[0041] It should be noted that there are two rotating shafts 33, and the rotating shafts 33 are arranged in the shape of long shafts. The two ends of the rotating shafts 33 are respectively connected to the fixed cavity 11 and the sprocket group 21. One end connected to the fixed cavity 11 is rotatably connected, and the other end connected to the sprocket group 21 is fixedly connected to the two sprockets by the two rotating shafts 33 respectively. Thus, when the sprockets rotate, the rotating shafts 33 are driven to rotate. A number of gears 32 are fixedly connected to the rotating shafts 33, and the gears 32 are arranged evenly. The a number of gears 32 on the two rotating shafts 33 are symmetrically arranged. The two clamping members 30 are both L-shaped, and a number of tooth grooves are evenly formed on the side of the two clamping members 30 close to the rotating shafts 33. The tooth grooves are meshed with the gears 32. Thus, when the gears 32 rotate, the clamping members 30 are driven to move, and the clamping members 30 are slidably connected to the moving grooves. Thus, when the gears 32 rotate, the clamping members 30 are driven to move up and down in the moving grooves. The two clamping members 30 surround a rectangular frame. One of the two clamping members 30 is placed in a positive L shape, and its tooth grooves are formed on the side vertically close to the rotating shafts 33. The other clamping member 30 is reversely arranged, that is, it is arranged in a shape obtained by reversing the positive clamping member 30 by 180°. The two clamping members 30 form a rectangular frame, and the two horizontal frames will not block the vertical frame during the up and down movement of the two clamping members 30. The two clamping members 30 are driven to rotate by two sprockets rotating in the same direction. Thus, during the process of driving the clamping members 30 to move, the moving directions of the two clamping members 30 are opposite. That is, the horizontal side of the positive clamping member 30 is the horizontal side at the bottom of the rectangular frame, and the horizontal side of the reverse clamping member 30 is the horizontal side at the top of the rectangular frame. During the process of driving the clamping member 30 to move in the reverse direction, the reverse clamping member 30 drives the horizontal side at the top of the rectangular frame to move downward through the gear 32, and the positive clamping member 30 drives the horizontal side at the bottom of the rectangular frame to move upward through the gear 32.

[0042] During use, when it is necessary to clamp a long strip-shaped hardware part, the long strip-shaped hardware part is placed into the fixed cavity 11 through the placement groove. The placement groove is opened at the middle position of the vertical plane of the fixed cavity 11. The rectangular frame formed by the two clamping members 30 is also located at the middle position of the vertical plane of the fixed cavity 11. In this way, when the long strip-shaped hardware part is placed into the fixed cavity 11 through the placement groove, it is exactly located at the middle position of the rectangle formed by the clamping members 30. In this way, when the clamping members 30 move in the opposite direction, the hardware part is clamped. And there are two top members 31, which are arranged inside the rectangular frame formed by the clamping members 30 and are horizontally arranged. The top member 31 includes a top plate and a top pin. The top pin is conically arranged. The top plate is a rectangular plate. The top pin is arranged on one side of the top plate and is evenly provided with several. The tip of the top pin contacts the horizontal side of the clamping member 30. At the same time, the top plate fits with the vertical side of the clamping member 30, and the two are fixed with nano double-sided tape. And the top member 31 is prepared from the material used for overmolding. During use, the clamping member 30 clamps the hardware part. During the clamping process, the top plate of the top member 31 contacts the hardware part, and the top pin forms a support for the hardware part. The thickness to be covered is the overall height of the top member 31. After the hardware part is clamped and fixed, injection molding is directly carried out. And the material of the top member 31 is the same as the material used for overmolding, so that the covering can be completed at one time during the overmolding process without the need for multiple coverings. During the clamping process, an injection molding plate is fixedly connected to one side of the clamping member 30. The cross-section of the injection molding plate is the same as the cross-section of the clamping member 30. In this way, while the clamping member 30 completes clamping, the injection molding plate forms a rectangular frame around the two sides of the clamping member 30. At this time, the long strip-shaped hardware part is located inside the injection molding plate. At the same time, the clamping member 30 completes clamping. At this time, injection molding is carried out, and the molten material used for injection molding is input into the rectangular frame formed by the injection molding plate, so as to complete the covering of the long strip-shaped hardware part.

[0043] Based on the ideal embodiments of the present invention as inspiration, through the above description, relevant personnel can completely make various changes and modifications without departing from the technical idea of the present invention. The technical scope of the present invention is not limited to the content in the specification, and the technical scope must be determined according to the scope of the claims.

Claims

1. A fixing device for overmolding of a long strip of hardware, comprising: An injection molding cavity (1), a transmission assembly (2) disposed at one end of the injection molding cavity (1), and a fixing assembly (3) connected to the transmission assembly (2), It is characterized by: The injection molding cavity (1) comprises: a transmission cavity (10), and a fixed cavity (11) arranged at one side of the transmission cavity (10); the transmission component (2) is arranged in the transmission cavity (10), and the fixed component (3) is arranged in the fixed cavity (11); the fixed cavity (11) is fixedly connected to one side of the transmission cavity (10); The transmission assembly (2) comprises: a transmission motor (20), and a sprocket group (21) fixedly connected to the transmission motor (20); the sprocket group (21) is rotatably connected to the transmission cavity (10), and the transmission motor (20) is fixedly connected to the transmission cavity (10); the sprocket group (21) is fixedly connected to the fixed assembly; The fixing assembly (3) comprises: a rotating assembly, a clamping member (30) meshed with the rotating assembly, and a top member (31) arranged inside the clamping member (30); the clamping member (30) is arranged in an L-shape, two clamping members (30) are arranged, and the two clamping members (30) are arranged in a rectangular shape.

2. A fixing device for overmolding of a strip-shaped hardware according to claim 1, characterized in that: The fixing cavity (11) is provided with a placement groove at a middle position in a horizontal direction, and the placement groove is used for placing hardware.

3. A fixing device for overmolding of a strip-shaped hardware according to claim 2, characterized in that: The fixed cavity (11) is provided with a movable groove at a middle position in the vertical direction, and the movable groove is slidably connected to the fixed component (3).

4. A fixing device for overmolding of a strip-shaped hardware according to claim 1, characterized in that: The sprocket group (21) comprises a transmission sprocket and a driven sprocket arranged on one side of the transmission sprocket; one side of the transmission sprocket is fixedly connected to the transmission motor (20).

5. A fixing device for overmolding of a long strip of hardware according to claim 1, characterized in that: The rotating assembly comprises: a rotating shaft (33) and a plurality of rotating gears (32) fixedly connected to the rotating shaft (33); one end of the rotating shaft (33) is rotatably connected to the fixed cavity (11), and the other end is fixedly connected to the gear (32) group.

6. A fixing device for overmolding of a strip-shaped hardware according to claim 5, characterized in that: Tooth grooves are formed on the outer sides of the two clamping members (30), and the tooth grooves are meshed with the rotating gears (32).

7. A fixing device for overmolding of a strip-shaped hardware according to claim 2, characterized in that: One side of the clamping piece (30) is fixedly connected to an injection molding plate, the injection molding plate is arranged in an L shape, and a rubber pad is arranged on one side of the injection molding plate.

8. A fixing device for overmolding of a strip-shaped hardware according to claim 7, characterized in that: The length of the injection molding plate is equal to the distance between two adjacent clamping members (30), and the center of the injection molding plate coincides with the center of the placement groove.

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