Screw screwing device for injection molding part

Abstract

The utility model belongs to the field of injection molding part processing, and provides an injection molding part screwing device which comprises a base, a working frame, a tool plate and a fixing mechanism, the upper end face of the base is provided with the working frame through a Y-axis movement mechanism, and the working frame is provided with the tool plate and the fixing mechanism used for positioning the tool plate. The tool plate is used for automatically clamping and fixing an injection molding part to be screwed, a cross beam is arranged at the top of the base, a vertical beam is installed on the cross beam through an X-axis movement mechanism, and an electric screwdriver used for automatically locking screws is installed on the vertical beam through a Z-axis movement mechanism. The tool plate is installed on the working frame through the fixing mechanism, the tool plate is clamped and limited through cooperation of the clamping bases, the connecting pieces and the pressing plate, positioning of the transverse plate can be relieved only by screwing a single locking bolt through cooperation of the transverse plate, the synchronous moving piece and the positioning piece, and then positioning of the four clamping bases is relieved; operation is easy, and the tool plate can be replaced conveniently according to machining requirements.

Description

Technical Field

[0001] This utility model belongs to the field of injection molding processing, specifically a screw device for injection molding parts. Background Technology

[0002] Injection molded parts are finished components formed by heating and melting plastic material, injecting the molten plastic into a mold through an injection molding process, and then cooling and solidifying. Injection molded parts can be used to manufacture various plastic products, such as everyday plastic containers, furniture, appliances, and toys. They are also widely used in the automotive, medical equipment, electronic products, and industrial machinery industries. To improve production efficiency during the injection molding process, a screw-locking device is usually used to automatically tighten the screws.

[0003] Existing automatic screw tightening devices are usually equipped with movable tooling plates, which are used to automatically clamp and loosen the injection molded parts to be screwed. However, since the shape or size of injection molded parts can vary from batch to batch, different types of tooling plates are usually required. However, when the tooling plate is installed in the automatic screw tightening device, it usually needs to be fixed with multiple fastening screws, which means that when changing parts, the screws need to be unscrewed one by one, which is quite troublesome.

[0004] To address this problem, those skilled in the art have proposed a screw device for injection molded parts. Utility Model Content

[0005] To solve the above-mentioned technical problems, this utility model provides a screw-on device for injection molded parts, which solves the problem that the existing screw-on devices require unscrewing the fastening screws one by one when changing different types of tooling plates according to different injection molded parts, which is relatively troublesome.

[0006] A screw-on device for injection molded parts includes a base, a work frame, a fixture plate, and a fixing mechanism. The work frame is mounted on the upper surface of the base via a Y-axis motion mechanism. The work frame is provided with a fixture plate and a fixing mechanism for positioning the fixture plate. The fixture plate is used to automatically clamp and fix the injection molded part to be screwed on. A crossbeam is provided on the top of the base. A vertical beam is mounted on the crossbeam via an X-axis motion mechanism. An electric screwdriver for automatically locking screws is mounted on the vertical beam via a Z-axis motion mechanism.

[0007] Preferably, the X-axis motion mechanism, Y-axis motion mechanism, and Z-axis motion mechanism are all lead screw driven moving mechanisms. The X-axis motion mechanism is used to drive the vertical beam to move along the X-axis direction, the Y-axis motion mechanism is used to drive the work frame to move along the Y-axis direction, and the Z-axis motion mechanism is used to drive the electric screwdriver to move along the Z-axis direction.

[0008] Preferably, both sides of the top of the seat are connected to screw feeders located below the crossbeam, which are used to automatically transport screws to specific positions for batch feeding.

[0009] Preferably, the fixing mechanism includes a clamping seat, a horizontal plate, a connecting member, a pressure plate, a synchronous moving member, and a positioning member. Guide slots are provided on both sides of the top of the work frame. A guide shaft is horizontally arranged in the guide slot. A clamping seat for positioning the side of the tooling plate is slidably connected to both ends of the guide shaft. A pressure plate is connected to the clamping seat through the connecting member. The bottom of one side of the pressure plate abuts against the top of the tooling plate. A lifting handle is connected between two pressure plates on the same side. A horizontal plate is connected to the bottom between two clamping seats on the same side. A synchronous moving member is arranged between the two horizontal plates. A positioning member is arranged on one of the horizontal plates.

[0010] Preferably, the connector includes a movable plate, a connecting post, and compression springs. The movable plate is slidably arranged inside the clamping seat. The top of the movable plate is provided with a connecting post and multiple sets of compression springs located around the connecting post. The top of the connecting post passes through the clamping seat and connects to the pressure plate. The tops of the multiple sets of compression springs are all connected to the inner top wall of the clamping seat.

[0011] Preferably, the synchronous moving component includes a turntable and tie rods. The turntable is rotatably arranged inside the work frame, and tie rods are rotatably arranged at two eccentric points symmetrically on the upper end of the turntable. One end of each tie rod is rotatably connected to the side of one of the two horizontal plates.

[0012] Preferably, the positioning component includes a locking bolt and a threaded groove. The threaded groove is provided at one end of the top of the cross plate, and an installation slot is provided on the work frame along the direction of the guide shaft. A locking bolt is inserted into the installation slot, and the bottom end of the locking bolt is threadedly connected to the threaded groove.

[0013] Compared with the prior art, this utility model has the following advantages: By installing the tooling plate on the work frame using a fixing mechanism, and utilizing the cooperation of clamping seats, horizontal plates, connecting parts, pressure plates, synchronous moving parts, and positioning parts, the clamping seats can press against the sides of the tooling plate, and the pressure plates can press against the top of the tooling plate, thereby steadily clamping the tooling plate. Through the cooperation of the horizontal plate and the synchronous moving parts, if the clamping range of the clamping seats needs to be adjusted, only one side of the clamping seat needs to be adjusted to drive the four clamping seats to move synchronously, which is more convenient to operate. Moreover, due to the setting of the positioning parts, when changing tooling plates of different specifications, only a single locking bolt needs to be unscrewed to release the positioning of the horizontal plate, thereby releasing the positioning of the four clamping seats, without the need to unscrew multiple bolts. The operation is simple and convenient for changing tooling plates according to processing requirements. Attached Figure Description

[0014] Figure 1 This is a structural diagram of the present invention;

[0015] Figure 2 This utility model Figure 1Enlarged structural diagram of the fixed mechanism;

[0016] Figure 3 This utility model Figure 2 Work frame structure diagram;

[0017] Figure 4 This utility model Figure 3 Top section of the work frame;

[0018] Figure 5 This utility model Figure 4 Side sectional view of the clamping seat.

[0019] In the picture:

[0020] 1. Base; 2. Work frame; 3. Tooling plate; 4. Fixing mechanism; 401. Clamping seat; 402. Horizontal plate; 403. Connecting part; 4031. Moving plate; 4032. Connecting column; 4033. Compression spring; 404. Pressure plate; 4041. Lifting handle; 405. Synchronous moving part; 4051. Turntable; 4052. Pull rod; 406. Positioning part; 4061. Locking bolt; 4062. Threaded groove; 5. Horizontal beam; 6. Vertical beam; 7. Electric screwdriver; 8. Screw feeder; 9. Guide groove; 10. Guide shaft; 11. Mounting groove. Detailed Implementation

[0021] The embodiments of this utility model will be described in further detail below with reference to the accompanying drawings and examples. The following examples are for illustrative purposes only and should not be construed as limiting the scope of this utility model.

[0022] As attached Figure 1 To be continued Figure 5 As shown:

[0023] This utility model provides a screw-on device for injection molded parts, including a base 1, a work frame 2, a tooling plate 3, and a fixing mechanism 4. The work frame 2 is mounted on the upper surface of the base 1 via a Y-axis motion mechanism. The tooling plate 3 and the fixing mechanism 4 for positioning the tooling plate 3 are provided on the work frame 2. The tooling plate 3 is used to automatically clamp and fix the injection molded part to be screwed on. A crossbeam 5 is provided on the top of the base 1. A vertical beam 6 is mounted on the crossbeam 5 via an X-axis motion mechanism. An electric screwdriver 7 for automatically locking screws is mounted on the vertical beam 6 via a Z-axis motion mechanism.

[0024] refer to Figure 1 The X-axis motion mechanism, Y-axis motion mechanism, and Z-axis motion mechanism are all lead screw driven moving mechanisms. The X-axis motion mechanism is used to drive the vertical beam 6 to move along the X-axis direction, the Y-axis motion mechanism is used to drive the work frame 2 to move along the Y-axis direction, and the Z-axis motion mechanism is used to drive the electric screwdriver 7 to move along the Z-axis direction.

[0025] Among them, the lead screw drive moving mechanism is a motor that drives the lead screw to rotate, which in turn drives the load to move linearly in a specific direction, such as the X-axis, Y-axis or Z-axis, through the nut.

[0026] refer to Figure 1 Both sides of the top of the base 1 are connected to screw feeders 8 located below the crossbeam 5, which are used to automatically feed screws to specific positions for the power batch 7 to pick up the screws.

[0027] refer to Figures 2-5 The fixing mechanism 4 includes a clamping seat 401, a horizontal plate 402, a connecting member 403, a pressure plate 404, a synchronous moving member 405, and a positioning member 406. Guide slots 9 are provided on both sides of the top of the work frame 2. A guide shaft 10 is horizontally arranged in the guide slot 9. The clamping seat 401 for positioning the side of the tooling plate 3 is slidably connected to both ends of the guide shaft 10. The pressure plate 404 is connected to the clamping seat 401 through the connecting member 403. The bottom of one side of the pressure plate 404 abuts against the top of the tooling plate 3. A lifting handle 4041 is connected between the two pressure plates 404 on the same side. A horizontal plate 402 is connected to the bottom between the two clamping seats 401 on the same side. A synchronous moving member 405 is arranged between the two horizontal plates 402. A positioning member 406 is arranged on one of the horizontal plates 402.

[0028] The tooling plate 3 is clamped from both ends by four clamping seats 401, and then pressed from the top by four pressure plates 404 to ensure the stability of the tooling plate 3.

[0029] refer to Figure 5 The connector 403 includes a movable plate 4031, a connecting post 4032, and a compression spring 4033. The movable plate 4031 is slidably disposed inside the clamping seat 401. The top of the movable plate 4031 is provided with the connecting post 4032 and multiple sets of compression springs 4033 located around the connecting post 4032. The top of the connecting post 4032 passes through the clamping seat 401 and is connected to the pressure plate 404. The tops of the multiple sets of compression springs 4033 are all connected to the inner top wall of the clamping seat 401.

[0030] The compression spring 4033 exerts a downward elastic force on the moving plate 4031, causing the moving plate 4031 to drive the pressure plate 404 to press the tooling plate 3 tightly through the connecting column 4032.

[0031] refer to Figure 4 The synchronous moving component 405 includes a turntable 4051 and a pull rod 4052. The turntable 4051 is rotatably arranged inside the work frame 2. The pull rod 4052 is rotatably arranged at two eccentric points symmetrically on the upper end of the turntable 4051. One end of the two pull rods 4052 is rotatably connected to the side of the two horizontal plates 402 respectively.

[0032] With the turntable 4051 and the pull rod 4052, when one side of the clamping seat 401 is moved, it will drive the horizontal plate 402 below to move synchronously along the direction of the guide post. During the movement, the horizontal plate 402 drives one end of the pull rod 4052 to move synchronously, and the other end of the pull rod 4052 drives the turntable 4051 to rotate adaptively. During the rotation of the turntable 4051, the other side of the horizontal plate 402 is pulled synchronously in the opposite direction by the pull rod 4052 on the other side. That is, when positioning and clamping the tooling plate 3, it is not necessary to adjust the position of the clamping seat 401 one by one.

[0033] refer to Figure 5 The positioning component 406 includes a locking bolt 4061 and a threaded groove 4062. The threaded groove 4062 is provided at one end of the top of the horizontal plate 402. The mounting slot 11 is provided on the work frame 2 along the direction of the guide shaft 10. The locking bolt 4061 is inserted into the mounting slot 11 and the bottom end of the locking bolt 4061 is threadedly connected to the threaded groove 4062.

[0034] The position of the horizontal plate 402 is fixed by the cooperation of the locking bolt 4061 and the threaded groove 4062, which in turn fixes the position of the clamping seat 401, so that the clamping seat 401 can tightly clamp the side of the tooling plate 3 in this position.

[0035] Working principle: The injection molded part to be screwed is fixed on the tooling plate 3. The X-axis and Z-axis motion mechanisms drive the electric screwdriver 7 to move, and the Y-axis motion mechanism drives the work stand 2 and the tooling plate 3 to move, thereby using the electric screwdriver 7 to tighten the screws on the injection molded part. When it is necessary to change to a different specification of tooling plate 3, the locking bolt 4061 is unscrewed with a tool. At this time, the positioning function of the horizontal plate 402 is released, that is, the clamping function of the clamping seat 401 is released. Then, the lifting handle 4041 is manually pulled upward. The lifting handle 4041 drives the pressure plate 404 to move upward, thereby releasing the downward pressure of the pressure plate 404 on the positioning plate. When moving, the connecting column 4032 drives the moving plate 4031 to move synchronously. When the moving plate 4031 moves, it compresses the spring 4033, causing it to deform elastically. When the pressure plate 404 moves away from the tooling plate 3, the lifting handle 4041 can be pulled outward. The lifting handle 4041 drives the clamping seats 401 on both sides to move outward synchronously with the cooperation of the synchronous moving parts 405. At this time, the tooling plate 3 can be removed, and then the replacement tooling plate 3 can be placed on it. Then, the clamping seats 401 and the pressure plate 404 are moved by the lifting handle 4041 to abut against the side and top of the tooling plate 3 respectively. Finally, the horizontal plate 402 can be fixed again with the locking bolt 4061.

[0036] The embodiments of this utility model are given for the purpose of illustration and description. Although embodiments of this utility model have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the utility model. Those skilled in the art can make changes, modifications, substitutions and variations to the above embodiments within the scope of this utility model, which is defined by the appended claims and their equivalents.

Claims

1. A screw device for injection molded parts, characterized in that, The device includes a base (1), a work frame (2), a tooling plate (3), and a fixing mechanism (4). The work frame (2) is mounted on the upper surface of the base (1) via a Y-axis motion mechanism. The work frame (2) is provided with a tooling plate (3) and a fixing mechanism (4) for positioning the tooling plate (3). The tooling plate (3) is used to automatically clamp and fix the injection molded part to be screwed. A crossbeam (5) is provided on the top of the base (1). A vertical beam (6) is mounted on the crossbeam (5) via an X-axis motion mechanism. An electric screwdriver (7) for automatically locking screws is mounted on the vertical beam (6) via a Z-axis motion mechanism.

2. The screw device for injection molded parts as described in claim 1, characterized in that: The X-axis motion mechanism, Y-axis motion mechanism and Z-axis motion mechanism are all lead screw driven moving mechanisms. The X-axis motion mechanism is used to drive the vertical beam (6) to move along the X-axis direction, the Y-axis motion mechanism is used to drive the work frame (2) to move along the Y-axis direction, and the Z-axis motion mechanism is used to drive the electric screwdriver (7) to move along the Z-axis direction.

3. The screw device for injection molded parts as described in claim 1, characterized in that: Both sides of the top of the base (1) are connected to screw feeders (8) located below the crossbeam (5), which are used to automatically deliver screws to specific positions for power batching (7) to pick up the screws.

4. The screw device for injection molded parts as described in claim 1, characterized in that: The fixing mechanism (4) includes a clamping seat (401), a horizontal plate (402), a connecting piece (403), a pressure plate (404), a synchronous moving piece (405), and a positioning piece (406). Guide slots (9) are provided on both sides of the top of the work frame (2). A guide shaft (10) is horizontally arranged in the guide slot (9). The two ends of the guide shaft (10) are slidably connected to clamping seats (401) for positioning the side of the tooling plate (3). A pressure plate (404) is connected to the clamping seat (401) through the connecting piece (403). The bottom of one side of the pressure plate (404) abuts against the top of the tooling plate (3). A lifting handle (4041) is connected between the two pressure plates (404) on the same side. A horizontal plate (402) is connected to the bottom between the two clamping seats (401) on the same side. A synchronous moving piece (405) is arranged between the two horizontal plates (402). A positioning piece (406) is arranged on one of the horizontal plates (402).

5. The screw device on an injection molded part as described in claim 4, characterized in that: The connector (403) includes a movable plate (4031), a connecting post (4032), and a compression spring (4033). The movable plate (4031) is slidably arranged inside the clamping seat (401). The top of the movable plate (4031) is provided with a connecting post (4032) and multiple sets of compression springs (4033) located around the connecting post (4032). The top of the connecting post (4032) passes through the clamping seat (401) and is connected to the pressure plate (404). The tops of the multiple sets of compression springs (4033) are all connected to the inner top wall of the clamping seat (401).

6. The screw device on an injection molded part as described in claim 4, characterized in that: The synchronous moving part (405) includes a turntable (4051) and a pull rod (4052). The turntable (4051) is rotatably arranged inside the work frame (2). The pull rod (4052) is rotatably arranged at two eccentric points symmetrical on the upper end of the turntable (4051). One end of the two pull rods (4052) is rotatably connected to the side of the two horizontal plates (402) respectively.

7. The screw device for injection molded parts as described in claim 4, characterized in that: The positioning component (406) includes a locking bolt (4061) and a threaded groove (4062). The threaded groove (4062) is provided at one end of the top of the horizontal plate (402). The mounting slot (11) is provided on the work frame (2) along the direction of the guide shaft (10). The locking bolt (4061) is inserted into the mounting slot (11). The bottom end of the locking bolt (4061) is threadedly connected to the threaded groove (4062).

Images