A box torsion testing device

Abstract

The utility model discloses a box torsion testing arrangement, including the support guide bushing for supporting, the inside end face center of support guide bushing is equipped with the guide slide groove, the side end face center of support guide bushing is provided with the speed reducer motor. The utility model discloses a testing device is set up, when the torsion detection limit of different size injection moulding packaging box shell is to the outside of four sets of clamping cardboards of packaging box steady limit, the limit mode of centripetal and centrifugal, can conveniently adaptability limit of subsequent equipment to different size square packaging box, and further improved the stability and adaptive performance of packaging box limit, the meshing of transmission gear and support gear further drives two sets of alignment rotating seat to the reverse torsion of packaging box, can improve the efficiency of torsion detection, and two sets of torsion inductor can also improve the accuracy of packaging box torsion detection.

Description

Technical Field

[0001] This utility model relates to the technical field of injection molding packaging testing equipment, specifically a box body torque testing device. Background Technology

[0002] Injection-molded packaging boxes are made by heating plastic to a molten state, then injecting it into a closed mold under high pressure. After cooling and solidification, the molded box is demolded to form a plastic product that conforms to the shape of the mold. It is widely used in various packaging fields. After the injection-molded packaging box is processed, the torsional force of the packaging box needs to be tested to improve the stability of the packaging box in protecting various injection-molded toys.

[0003] There are many types of existing injection-molded packaging boxes, but most of the existing box body torque testing equipment is fixed, which makes it inconvenient to perform quick and convenient limit testing on different injection-molded packaging boxes. This reduces the adaptability of the equipment to torque testing of different models of injection-molded packaging boxes. Therefore, there is an urgent need for a box body torque testing device to solve the above-mentioned problems. Utility Model Content

[0004] The purpose of this invention is to provide a box torque testing device to solve the problems mentioned in the background art.

[0005] To achieve the above objectives, this utility model provides the following technical solution: a box-type torque testing device, comprising a support guide for support, a guide groove being formed at the center of the inner end face of the support guide, a reduction motor being disposed at the center of the side end face of the support guide, and a bidirectional lead screw being disposed at the output end of the reduction motor.

[0006] The threaded guide seat has two sets, and both sets of the threaded guide seats are threadedly connected to the upper part of the support guide seat through the bidirectional screw. A support plate is provided at the front of the upper end of the threaded guide seat.

[0007] The testing device is rotatably latched at the middle of the inner end face of the support plate. A stepper motor is located near the bottom of the rear end face of the support plate, and a transmission gear is located at the output end of the stepper motor. The transmission gear is meshed with the testing device. The testing device is used to detect the torque of the box.

[0008] Preferably, the testing device includes a positioning rotary seat for limiting, a support gear is fixedly arranged at the center of the rear end face of the positioning rotary seat, a support torsion spring is arranged at the center of the rear end face of the support gear, a torque sensor is arranged at the center of the rear end face of the support torsion spring, a servo motor is arranged at the center of the rear end face of the support gear, a transmission chuck is arranged at the output end of the servo motor, limiting guide grooves are equidistantly formed on the inner end face of the transmission chuck, four sets of guide slots are equidistantly formed at the front of the positioning rotary seat, and four sets of clamping devices are equidistantly slidably engaged inside the positioning rotary seat through the transmission chuck.

[0009] Preferably, the clamping device includes a clamping plate, a limiting slide is provided at the center of the lower end face of the clamping plate, and a positioning slide shaft is provided at the center of the lower end face of the limiting slide.

[0010] Preferably, the limiting slide block is slidably engaged with the front part of the alignment rotary table via the guide slot, which can effectively improve the stability of the linear displacement of the limiting slide block and the clamping plate at the front part of the alignment rotary table.

[0011] Preferably, the clamping plate is adapted to the positioning guide groove through the positioning slide shaft and is slidably engaged inside the alignment turntable. When the arc-shaped positioning guide groove rotates, it can slide and limit the four sets of clamping plates to move centripetally through the positioning slide shaft, thereby facilitating the rapid and stable positioning of different types of injection molded packaging boxes.

[0012] Preferably, the torque sensor is fixedly engaged with the threaded guide seat, and the transmission gear is meshed with the support gear. The threaded guide seat can provide sufficient limiting foundation for the torque sensor, thereby improving the accuracy and stability of the torque sensor in detecting the torque of the support torsion spring.

[0013] Compared with the prior art, the beneficial effects of this utility model are as follows:

[0014] 1. This utility model, by setting up a testing device, enables the servo motor to synchronously drive four sets of clamping plates to stably limit the exterior of the packaging box when performing torque detection and limiting on injection-molded packaging box shells of different sizes through the transmission chuck and limiting guide groove. The centripetal and centrifugal limiting methods facilitate subsequent equipment to adaptively limit square packaging boxes of different sizes, thereby improving the stability and adaptability of the packaging box limiting. At the same time, the meshing of the transmission gear and the support gear drives two sets of alignment rotary seats to rotate the packaging box in the opposite direction, which can improve the efficiency of torque detection, and the two sets of torque sensors can also synchronously improve the accuracy of torque detection on the packaging box. Attached Figure Description

[0015] Figure 1This is an exploded view of the main body of this utility model;

[0016] Figure 2 For the present utility model Figure 1 A magnified view of a section at point I;

[0017] Figure 3 This is a schematic diagram of the main structure of the present utility model;

[0018] Figure 4 This is an exploded view of the testing device of this utility model;

[0019] Figure 5 This is a schematic diagram of the structure of the testing device of this utility model;

[0020] Figure 6 This is a schematic diagram of the clamping device of this utility model.

[0021] In the diagram: 1-Supporting plate, 2-Testing device, 3-Transmission gear, 4-Stepper motor, 5-Supporting guide seat, 6-Bidirectional lead screw, 7-Gear motor, 8-Guide slide, 9-Threaded guide seat, 21-Transmission chuck, 22-Clamping device, 23-Limiting guide groove, 24-Supporting gear, 25-Torque sensor, 26-Supporting torsion spring, 27-Alignment rotary seat, 28-Servo motor, 29-Guide slot, 221-Clamping plate, 222-Positioning slide shaft, 223-Limiting slide seat. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0023] Please see Figure 1-6 One embodiment of this utility model provides a box-type torque testing device, including a support guide 5 for support, a guide groove 8 provided at the center of the inner end face of the support guide 5, a reduction motor 7 provided at the center of the side end face of the support guide 5, and a bidirectional lead screw 6 provided at the output end of the reduction motor 7.

[0024] The threaded guide seat 9 has two sets, and both sets of threaded guide seats 9 are threadedly connected to the upper part of the support guide seat 5 through the bidirectional lead screw 6. The upper end face of the threaded guide seat 9 is provided with a support plate 1.

[0025] The testing device 2 is rotatably latched at the middle of the inner end face of the support plate 1. A stepper motor 4 is located near the bottom of the rear end face of the support plate 1, and a transmission gear 3 is located at the output end of the stepper motor 4. The transmission gear 3 is meshed with the testing device 2. The testing device 2 is used to detect the torque of the box.

[0026] The testing device 2 includes a positioning rotary seat 27 for limiting the position. A support gear 24 is fixedly installed at the center of the rear end face of the positioning rotary seat 27, and a support torsion spring 26 is installed at the center of the rear end face of the support gear 24. A torque sensor 25 is installed at the center of the rear end face of the support torsion spring 26. A servo motor 28 is installed at the center of the rear end face of the support gear 24, and a transmission chuck 21 is installed at the output end of the servo motor 28. Limiting guide grooves 23 are equidistantly opened on the inner end face of the transmission chuck 21. Four sets of guide slots 29 are equidistantly opened on the front part of the positioning rotary seat 27. Four sets of clamping devices 22 are equidistantly slidably engaged inside the positioning rotary seat 27 through the transmission chuck 21.

[0027] The clamping device 22 includes a clamping plate 221, a limiting slide 223 is provided at the center of the lower end face of the clamping plate 221, and a positioning slide shaft 222 is provided at the center of the lower end face of the limiting slide 223.

[0028] The limiting slide 223 is slidably engaged with the front of the alignment rotary table 27 via the guide slot 29, which can effectively improve the stability of the linear displacement of the limiting slide 223 and the clamping plate 221 at the front of the alignment rotary table 27.

[0029] The clamping plate 221 is adapted to the positioning guide groove 23 through the positioning slide shaft 222 and is slidably engaged inside the alignment turntable 27. When the arc-shaped positioning guide groove 23 rotates, it can slide and limit the four clamping plates 221 to move centripetally through the positioning slide shaft 222, thereby facilitating the rapid and stable positioning of injection molded packaging boxes of different models.

[0030] The torque sensor 25 is fixedly engaged with the threaded guide seat 9, and the transmission gear 3 is meshed with the support gear 24. The threaded guide seat 9 can provide sufficient limiting base for the torque sensor 25, thereby improving the accuracy and stability of the torque sensor 25 in detecting the torque of the support torsion spring 26.

[0031] Working Principle: Before use, the operator can position the injection-molded packaging box to be tested at the upper center of the support guide 5. Then, the reduction motor 7 is started. At this time, the reduction motor 7 can be threadedly connected to the threaded guide 9 through the bidirectional lead screw 6, thereby driving the two sets of testing devices 2 to move centripetally towards the injection-molded packaging box until the two sets of alignment rotating seats 27 are limited to the front and rear of the packaging box. After alignment, the servo motor 28 is started. At this time, the servo motor 28 can drive the transmission chuck 21 to rotate, so that the transmission chuck 21 can be slidably limited by the four sets of limiting guide grooves 23 and the positioning slide shaft 222, thereby using the four sets of clamping plates 221 to perform testing on the four sides of the packaging box. After the limit is completed, the staff can start two sets of stepper motors 4 to perform torque detection on the packaging box. At this time, the two sets of stepper motors 4 rotate synchronously in opposite directions, so that the two sets of stepper motors 4 can drive the two sets of transmission gears 3 to rotate in opposite directions. The two sets of transmission gears 3 can drive the alignment turntable 27 to rotate synchronously in opposite directions slowly through the support gear 24. The two sets of alignment turntables 27 can perform torsion detection on the box body through the clamping plate 221. At this time, the support torsion spring 26 can transmit the torsion force to the torque sensor 25, so that the torque sensor 25 can detect the torque reading in real time. When the box body is torsioned to the point of damage, it stops. At this time, the reading of the torque sensor 25 is the critical value of the box body torque.

[0032] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A box-type torque testing device, comprising a support guide (5) for support, a guide groove (8) provided at the center of the inner end face of the support guide (5), a reduction motor (7) provided at the center of the side end face of the support guide (5), and a bidirectional lead screw (6) provided at the output end of the reduction motor (7), characterized in that: Threaded guide seat (9), there are two sets of threaded guide seats (9), and both sets of threaded guide seats (9) are threadedly connected to the upper part of the support guide seat (5) through the bidirectional screw (6). A support plate (1) is provided at the front of the upper end of the threaded guide seat (9). The testing device (2) is rotatably latched at the middle of the inner end face of the support plate (1). A stepper motor (4) is provided at the rear end face of the support plate (1) near the bottom, and a transmission gear (3) is provided at the output end of the stepper motor (4). The transmission gear (3) meshes with the testing device (2). The testing device (2) is used to perform torque detection on the box.

2. The box-type torque testing device according to claim 1, characterized in that: The testing device (2) includes a positioning rotary seat (27) for limiting the position. A support gear (24) is fixedly arranged at the center of the rear end face of the positioning rotary seat (27), and a support torsion spring (26) is arranged at the center of the rear end face of the support gear (24). A torque sensor (25) is arranged at the center of the rear end face of the support torsion spring (26). A servo motor (28) is arranged at the center of the rear end face of the support gear (24), and a transmission chuck (21) is arranged at the output end of the servo motor (28). Limiting guide grooves (23) are equidistantly opened on the inner end face of the transmission chuck (21). Four sets of guide slots (29) are equidistantly opened at the front of the positioning rotary seat (27). Four sets of clamping devices (22) are equidistantly slidably engaged inside the positioning rotary seat (27) through the transmission chuck (21).

3. The box-type torque testing device according to claim 2, characterized in that: The clamping device (22) includes a clamping plate (221), a limiting slide (223) is provided at the center of the lower end face of the clamping plate (221), and a positioning slide shaft (222) is provided at the center of the lower end face of the limiting slide (223).

4. The box-type torque testing device according to claim 3, characterized in that: The limiting slide (223) is slidably engaged with the front of the alignment rotary seat (27) through the guide slot (29).

5. The box-type torque testing device according to claim 3, characterized in that: The clamping plate (221) is adapted to the limiting guide groove (23) through the positioning slide shaft (222) and thus slidably engaged inside the alignment rotary seat (27).

6. The box-type torque testing device according to claim 3, characterized in that: The torque sensor (25) is fixedly engaged with the threaded guide seat (9), and the transmission gear (3) is meshed with the support gear (24).

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