Continuous ultimate strength testing line for medical packaging bags

Abstract

The present invention discloses a continuous detection line for the ultimate strength of medical packaging bags, which includes a conveying double track, a support part, a detection part, a conveyor belt assembly and a discharge part. The conveying double track includes a pair of relatively arranged transmission tracks, the cross section of the transmission track is concave, and the conveying double track is closed at both ends to form a closed transportation line; the support part is provided with several groups and is continuously arranged in the conveying double track, and there is a distance difference between the several support parts, and the support part is used to vertically place the packaging bag body, and the support part includes a support plate, both sides of the support plate are stuck in the conveying double track and move along it, and a liftable double baffle is vertically provided on the upper side of the support plate, and the packaging bag body is placed between the double baffles with its opening facing upward; the detection part is provided on the upper side of the conveying double track, and the detection part includes a lifting mechanism, a pair of L-shaped plates and a pair of detection plates. The present invention realizes the continuous detection function conveniently and efficiently.

Description

Technical Field

[0001] The invention relates to the technical field of packaging bag detection, and is named as a continuous detection line for ultimate strength of medical packaging bags. Background Art

[0002] Medical packaging bags are mostly used to carry medical devices or medicines. For example, flat medical mask packaging bags are made of medical packaging blister paper and have a certain supporting strength. When they are manufactured, they are sealed on three sides and open at one end. Medical devices or medicines need to be placed in the bag and then the open end is heat-sealed before they can be transported to the hospital for use. In order to ensure the safety of medical supplies and prevent poor sealing from causing contamination of medical devices during storage and harming the health of users, it is necessary to ensure that the medical packaging bags have sufficient strength for use.

[0003] A Chinese invention patent, patent publication number CN108732016B, discloses a multifunctional testing device for medical packaging bags. The device comprises a support leg, a base plate, a drain pipe, a drain valve, a water collection frame, a first fixing ring, a block, a first elastic member, a second fixing ring, a connecting rod, a rotating shaft, a bearing seat, a mounting frame, a water pipe, a water collection valve, a mounting bracket, a water storage bucket, a handle, a pull rod, a butterfly bolt, and a U-shaped fixing frame. The support leg is fixed to the bottom of the base plate, and the water collection frame is fixed to the top of the base plate. In this technical solution, a worker must manually insert the two sides of the packaging bag into the U-shaped grooves of the U-shaped fixing frame, tighten the butterfly bolts to secure the packaging bag, and then pull the handles toward each other to test the packaging bag's strength. However, the overall automation level is low, and manual operation is time-consuming and labor-intensive, resulting in low efficiency. This makes it unsuitable for testing large quantities of packaging bags.

[0004] Therefore, it is necessary to provide a continuous testing line for the ultimate strength of medical packaging bags to achieve the purpose of continuous testing. Summary of the Invention

[0005] The object of the present invention is to provide a continuous testing line for the ultimate strength of medical packaging bags to solve the problems raised in the above background technology.

[0006] In order to solve the above technical problems, the present invention provides the following technical solutions: a continuous testing line for the ultimate strength of medical packaging bags, comprising a double conveyor track, a support part, a testing part, a conveyor belt assembly and a discharge part.

[0007] The double-track conveyor comprises a pair of oppositely arranged transmission tracks, the cross section of which is concave-shaped, and the double-track conveyor is closed at both ends to form a closed transport line;

[0008] The support parts are provided in a plurality of groups and are continuously arranged in the conveying double rails. There is a distance difference between the plurality of support parts. The support parts are used to vertically place the packaging bag body. The support parts include a support plate. Both sides of the support plate are clamped in the conveying double rails and move along them. A liftable double baffle is vertically provided on the upper side of the support plate. The packaging bag body is placed between the double baffles with the opening facing upwards.

[0009] The detection part is arranged on the upper side of the double conveyor rails, and includes a lifting mechanism, a pair of L-shaped plates and a pair of detection plates. The lifting mechanism is used to drive the pair of L-shaped plates and the pair of detection plates to rise and fall synchronously. The pair of L-shaped plates press the double baffles down to the lower side of the support plate. The pair of detection plates are used to be inserted into the opening of the packaging bag body. The pair of detection plates expand the packaging bag body by relative reverse movement to perform ultimate strength testing of the packaging bag body.

[0010] The unloading part includes a pair of clamping and transporting rollers and a lifting mechanism. The lifting mechanism is used to lift the packaging bag body that has been inspected. The pair of clamping and transporting rollers rotate in opposite directions to clamp the lifted packaging bag body and transfer it to the conveyor belt assembly.

[0011] In one embodiment, an H-shaped groove is provided through the middle side of the support plate, the double baffle is inserted into both sides of the H-shaped groove and slides with it, a connecting block is fixedly connected to the outer side of the upper end of the double baffle, a spring telescopic rod 1 is provided at the lower end of the connecting block, the lower end of the spring telescopic rod 1 is connected to the support plate, and the upper end of the double baffle is rotatably connected to a roller.

[0012] In one embodiment, a pair of square openings are provided on both sides of the support plate, and a spring telescopic rod 2 is provided at one end of the inner side of the square opening, and a limit bar is provided at one end of the spring telescopic rod 2. The lower end of the limit bar slides with the square opening, and the limit bar is provided between the double baffles. The outer end of the limit bar is fixedly connected with a trapezoidal wedge, and the two ends of the double baffles are fixedly connected with a pair of T-shaped bars, and the lower end of the T-shaped bar is provided with an oblique chamfer and corresponds to the trapezoidal wedge. The limit bar is used to limit and squeeze the two sides of the packaging bag body.

[0013] In one embodiment, the lifting mechanism includes a pair of support frames, the support frames are fixed to the upper ends of the conveying double rails, the upper ends of the support frames are fixedly connected to a top plate, the lower ends of the top plate are provided with a concave plate, the two ends of the concave plate are respectively fixedly connected to a pair of L-shaped plates, a number of telescopic columns are provided between the concave plate and the L-shaped plate and the top plate, a pair of guide rods are fixedly connected between the concave plates, the guide rods pass through and are slidably fitted with a pair of moving blocks, and the moving blocks are fixedly connected to the upper end of the detection plate;

[0014] The concave plate is driven by a linear drive assembly to move up and down, and the lower end surface height of the L-shaped plate is lower than the lower end surface height of the detection plate.

[0015] In one embodiment, a pair of breakaway plates are fixedly connected to the lower end of the top plate, and the pair of breakaway plates are arranged at both ends of the detection plate and slideably cooperate with it. The breakaway plates pass through the L-shaped plate and slideably cooperate with it. There is a distance difference between the lower end of the breakaway plate and the double baffle, and the breakaway plates separate the packaging bag body after detection from the detection plate.

[0016] In one embodiment, a pair of racks are fixedly connected to one end of a pair of shift blocks, and the racks are slidably matched with the concave plate. The middle side of the concave plate is rotatably connected to a gear. A pair of racks are relatively arranged at both ends of the gear, and the gear is simultaneously engaged with the pair of racks. The upper end of the gear is fixedly connected to a rotating rod, and the rotating rod passes through the concave plate and is rotatably connected to it. A spring member is sleeved on the outer side of the guide rod, and the two sides of the spring member are respectively connected to the shift block and the concave plate.

[0017] In one embodiment, the upper end of the top plate is fixedly connected to a square column, the upper end of the square column is fixedly connected to a motor component, the lower end of the motor component drives a threaded sleeve, the lower end of the threaded sleeve passes through the top plate and is rotatably connected thereto, an external thread is provided on the outer side of the rotating rod, the rotating rod is threadedly connected to the inner side of the threaded sleeve, and the elastic force of the spring component is greater than the elastic force of the spring telescopic rod.

[0018] In one embodiment, the pushing mechanism includes a pushing block, which passes through the middle side of the H-shaped groove and slides with it. The upper end face of the pushing block is flush with the upper end face of the support plate, and the lower end of the pushing block is fixedly connected to the I-shaped plate. A telescopic short rod is provided between the two sides of the I-shaped plate and the support plate. A pushing mechanism is provided on the lower side of a pair of clamping and transporting rollers. The pushing mechanism is provided at the lower end of the double conveying track, and the pushing mechanism is used to push the I-shaped plate and the pushing block to push the packaging bag body upward between a pair of clamping and transporting rollers.

[0019] In one embodiment, the pushing mechanism includes a pushing plate, which is arranged corresponding to the I-type plate and has a clearance fit. A number of spring retraction rods are provided at the lower end of the pushing plate, and the lower end of the spring retraction rod is connected to a concave frame. The two ends of the concave frame are fixed to the lower end of the conveying double track. A rotating shaft is rotatably connected between the two ends of the concave frame, and a cam is fixedly connected to the middle end of the rotating shaft. The upper end of the cam is in contact with the pushing plate.

[0020] In one embodiment, side plate frames are provided on both sides of the conveyor belt assembly, and the side plate frames are fixed on the conveying double rails. One end of the clamping and transporting roller passes through the side plate frame and is fixedly connected to a first pulley at the passing end. One end of the rotating shaft passes through the concave frame and is fixedly connected to a second pulley at the passing end. The first pulley is connected to the second pulley. An arc cover is provided on the upper side of the clamping and transporting roller, and the arc cover extends to the conveyor belt assembly.

[0021] Compared with the prior art, the beneficial effects achieved by the present invention are as follows: the present invention, by setting up double baffles, can manually or mechanically load the packaging bag body to be inspected between the double baffles, and the opening is set upwards, the double baffles limit the packaging bag body to remain vertically placed, and drive it to move, when it moves to the detection part position, the lifting mechanism drives a pair of L-shaped plates and the detection plate to move downward, firstly, the double baffles are pushed and pressed down by the L-shaped plate, and the double baffles pass through the support plate and move downward, so that the packaging bag body is completely exposed, and the detection plate at this time is also stuck in the opening of the packaging bag body, and then the pair of detection plates gradually open the packaging bag body by relative reverse movement, and the packaging bag body is inspected as needed. Strength test: when it moves to the specified distance, the ultimate strength of the packaging bag can be judged by the integrity and damage degree of the packaging bag body. After the test is completed, the lifting mechanism is reset, and the double baffle is also reset to re-restrict the packaging bag body, and it can continue to be transported to between the lifting mechanism and a pair of clamping and transporting rollers. The packaging bag body is lifted up by the lifting mechanism, and the packaging bag body is moved up between a pair of clamping and transporting rollers. The packaging bag body is clamped and transferred to the conveyor belt assembly through relative reverse rotation to complete automatic unloading, thereby realizing the function of continuous automatic transportation and testing of the packaging bag body. No manual intervention is required throughout the process, and the degree of automation is high. It can be applied to the testing of large quantities of packaging bag bodies and improve work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The following detailed description of the specific embodiments of the present application in conjunction with the accompanying drawings will make the technical solutions and other beneficial effects of the present application apparent.

[0023] In the attached figure:

[0024] Figure 1 It is a schematic diagram of the overall structure of the present invention;

[0025] Figure 2 is a schematic cross-sectional view of a detection portion of the present invention;

[0026] Figure 3 It is a three-dimensional schematic diagram of the detection part of the present invention;

[0027] Figure 4 It is a partial three-dimensional schematic diagram of the support portion of the present invention;

[0028] Figure 5 yes Figure 2 A local enlarged schematic diagram of the C region;

[0029] Figure 6 It is a schematic front cross-sectional view of the present invention;

[0030] Figure 7 yes Figure 6 A local enlarged schematic diagram of area B;

[0031] Figure 8 It is the overall and exploded schematic diagram of the detection board of the present invention;

[0032] Figure 9 yes Figure 6 A local enlarged schematic diagram of area A;

[0033] Figure 10 yes Figure 2 A local enlarged schematic diagram of the E region;

[0034] Figure 11 yes Figure 6 A local enlarged schematic diagram of the D region;

[0035] Figure 12 It is a partial three-dimensional schematic diagram of the discharge portion of the present invention;

[0036] Figure 13 yes Figure 12 A local enlarged schematic diagram of the F region;

[0037] In the figure: 1, detection part; 101, L-shaped plate; 102, detection plate; 103, concave plate; 104, guide rod; 105, shift block; 106, release plate; 107, rack; 108, gear; 109, rotating rod;

[0038] 2. Support part; 201. Support plate; 202. Double baffle; 203. H-shaped groove; 204. Spring telescopic rod 1; 205. Roller; 206. Spring telescopic rod 2; 207. Limiting bar; 208. Trapezoidal wedge; 209. T-shaped bar;

[0039] 3. Support frame; 301. Top plate; 302. Square column; 303. Threaded sleeve;

[0040] 4. Discharging unit; 401. Clamping and transporting roller; 402. Push block; 403. I-shaped plate; 404. Push plate; 405. Spring retraction rod; 406. Concave frame; 407. Rotating shaft; 408. Cam; 409. Pulley 1; 410. Pulley 2; 411. Arc cover;

[0041] 7. Conveyor belt assembly;

[0042] 8. Double conveyor tracks; 9. Telescopic columns. DETAILED DESCRIPTION

[0043] The disclosure below provides many different embodiments or examples for realizing different structures of the present application. In order to simplify the disclosure of the present application, the components and settings of specific examples are described below. Of course, they are merely examples and are not intended to limit the present application. In addition, the present application may repeat reference numbers and / or reference letters in different examples, and such repetition is for the purpose of simplicity and clarity, and does not itself indicate the relationship between the various embodiments and / or settings discussed. In addition, the present application provides examples of various specific processes and materials, but those of ordinary skill in the art will appreciate the application of other processes and / or the use of other materials.

[0044] See also Figure 1-13 The present invention provides a technical solution: a continuous testing line for the ultimate strength of medical packaging bags, comprising a conveying double track 8, a support part 2, a testing part 1, a conveyor belt assembly 7 and a discharge part 4.

[0045] The double-track conveyor 8 comprises a pair of oppositely arranged transmission tracks, the cross section of which is concave-shaped, and the double-track conveyor 8 is closed at both ends to form a closed transport line;

[0046] The support parts 2 are provided in several groups and are arranged continuously in the conveying double track 8. There is a distance difference between the several support parts 2. The support parts 2 are used to vertically place the packaging bag body. The support parts 2 include support plates 201. Both sides of the support plates 201 are clamped in the conveying double track 8 and move along it. The upper side of the support plates 201 is vertically provided with a liftable double baffle 202. The packaging bag body is placed between the double baffles 202 with the opening facing upwards.

[0047] The detection unit 1 is arranged on the upper side of the double conveyor rails 8. The detection unit 1 includes a lifting mechanism, a pair of L-shaped plates 101 and a pair of detection plates 102. The lifting mechanism is used to drive the pair of L-shaped plates 101 and the pair of detection plates 102 to rise and fall synchronously. The pair of L-shaped plates 101 press the double baffles 202 down to the lower side of the support plate 201. The pair of detection plates 102 are used to be inserted into the opening of the packaging bag body. The pair of detection plates 102 expand the packaging bag body by relative reverse movement to perform ultimate strength testing of the packaging bag body.

[0048] The unloading part 4 includes a pair of clamping and transporting rollers 401 and a lifting mechanism. The lifting mechanism is used to lift the packaging bag body after inspection. The pair of clamping and transporting rollers 401 rotate in opposite directions to clamp the lifted packaging bag body and transfer it to the conveyor belt assembly 7.

[0049] By setting up several groups of support parts 2 along the conveying double rails 8 and driving several packaging bag bodies for continuous transportation, when passing the inspection part 1, the packaging bag body is tested for ultimate strength, and when the packaging bag body after the inspection is moved to the unloading part 4, it is unloaded onto the conveyor belt assembly 7 to complete automatic unloading, thereby forming a closed transportation line for continuous inspection of the packaging bag body. Specifically, the two ends of the support plate 201 are clamped into the concave grooves of the transmission track, and the support plate 201 is driven for transportation by the rollers, and a double baffle 202 is set on the upper side of the support plate 201. It can be further preferred that the upper end of the packaging bag body to be inspected, that is, the open end, is clamped by a robot, and then the packaging bag body is placed from top to bottom between the double baffles 202 (because the robot is a prior art, it is not shown and will not be described in detail here). The double baffle 202 limits the packaging bag body to remain in a vertical position and drives it to move. When it moves to the position of the inspection part 1, The lifting mechanism drives the pair of L-shaped plates 101 and the inspection plate 102 to move downward. First, the L-shaped plate 101 pushes the double baffle 202 and presses it downward. The double baffle 202 passes through the support plate 201 and moves downward, so that the packaging bag body is completely exposed. At this time, the inspection plate 102 is also stuck in the opening of the packaging bag body. Then, the pair of inspection plates 102 gradually open the packaging bag body by relatively reverse movement. The opening distance can be set according to the needs of the strength inspection standard of the packaging bag body. If the structural strength of the packaging bag is not enough, it will be damaged accordingly. On the contrary, if the structural strength is sufficient, it will be intact. The ultimate strength of the packaging bag body can be judged by the integrity and damage degree of the packaging bag body. After the inspection is completed, whether the packaging bag body is qualified or unqualified, it is uniformly transported to the next process first, that is, the lifting mechanism is reset, and the double baffle 202 is also reset to re-restrict the packaging bag body, and then it can continue to be transported to between the top material mechanism and a pair of clamping and transporting rollers 401 (such as Figure 6 As shown), the packaging bag body is lifted up by the lifting mechanism, and the packaging bag body is moved up between a pair of clamping and transporting rollers 401. The packaging bag body is clamped and transported to the conveyor belt assembly 7 through relative reverse rotation to complete automatic unloading. The conveyor belt assembly 7 can be further provided with a visual inspection component (since the visual inspection component is a prior art, it is not shown and will not be described in detail here) to inspect defective products and remove them with the help of a robot arm, thereby realizing the function of continuous automatic transportation and inspection of the packaging bag body. No human intervention is required throughout the process, and the degree of automation is high. It can be applied to the inspection of large quantities of packaging bag bodies, thereby improving work efficiency.

[0050] An H-shaped groove 203 is provided through the middle side of the support plate 201, and the double baffle 202 is inserted into both sides of the H-shaped groove 203 and slides with it. A connecting block is fixedly connected to the outer side of the upper end of the double baffle 202, and a spring telescopic rod 204 is provided at the lower end of the connecting block. The lower end of the spring telescopic rod 204 is connected to the support plate 201, and the upper end of the double baffle 202 is rotatably connected to the roller 205.

[0051] Specifically, the double baffle 202 is inserted into both sides of the H-shaped groove 203 and slides with it, and is guided and reset by setting a spring telescopic rod 204. A roller 205 is set at the upper end of the double baffle 202 to avoid scratching the surface of the packaging bag body when placing or taking out the packaging bag body, thereby preventing the surface quality from being unqualified.

[0052] A pair of square openings are provided on both sides of the support plate 201, and a spring telescopic rod 206 is provided at one end inside the square opening. A limit bar 207 is provided at one end of the spring telescopic rod 206, and the lower end of the limit bar 207 slides with the square opening. The limit bar 207 is provided between the double baffles 202, and the outer end of the limit bar 207 is fixedly connected to a trapezoidal wedge 208. A pair of T-shaped bars 209 are fixedly connected to both ends of the double baffles 202, and the lower end of the T-shaped bar 209 is provided with an oblique chamfer and corresponds to the trapezoidal wedge 208. The limit bar 207 is used to limit and squeeze the two sides of the packaging bag body.

[0053] Specifically, a pair of limiting bars 207 are provided on the inner sides of both ends of the double baffle 202 to limit the two sides of the packaging bag body to prevent it from falling during transportation. The limiting bars 207 can move along the square opening, and the spring telescopic rod 206 guides and resets the double baffle 202. When the L-shaped plate 101 presses the double baffle 202 downward, the T-shaped bar 209 pushes the trapezoidal wedge block 208 and the limiting bar 207 along the inclined surface of the trapezoidal wedge block 208 (as shown in FIG. Figure 4 As shown), the limiting strip 207 is synchronously moved toward the center of the packaging bag body and squeezed it to open its opening, which is convenient for the insertion of the detection plate 102 and improves the insertion tolerance. The effect achieved is that while the restriction on the packaging bag body is released under the double baffle 202, the limiting strip 207 squeezes both sides of it to open its opening until the detection plate 102 is completely stuck inside it, and then the detection can begin. The process synchronization is good, the design is reasonable, and as shown Figure 5 As shown, the lower end of the trapezoidal wedge block 208 is also located in the square opening, and the T-bar 209 is set to the same width as the trapezoidal wedge block 208. After limiting the movement of the trapezoidal wedge block 208, the T-bar 209 can be directly inserted into the square opening without affecting the lifting and lowering of the double baffle 202.

[0054] The lifting mechanism includes a pair of support frames 3, which are fixed to the upper ends of the conveying double rails 8. The upper ends of the support frames 3 are fixedly connected to a top plate 301, and a concave plate 103 is provided at the lower end of the top plate 301. The two ends of the concave plate 103 are respectively fixedly connected to a pair of L-shaped plates 101. A number of telescopic columns 9 are provided between the concave plate 103 and the L-shaped plate 101 and the top plate 301. A pair of guide rods 104 are fixedly connected between the concave plates 103. The guide rods 104 pass through and are slidably fitted with a pair of moving blocks 105. The moving blocks 105 are fixedly connected to the upper end of the detection plate 102.

[0055] The concave plate 103 is driven by a linear drive assembly to move up and down, and the height of the lower end surface of the L-shaped plate 101 is lower than the height of the lower end surface of the detection plate 102.

[0056] Specifically, when the L-shaped plate 101 and the detection plate 102 need to be raised or lowered, the concave plate 103 and the L-shaped plate 101 are driven by the linear drive assembly to move synchronously, the telescopic column 9 guides the movement, and a guide rod 104 is provided in the concave plate 103 to guide the relative movement between the pair of moving blocks 105 and the detection plate 102, thereby opening the packaging bag body for detection;

[0057] As shown in the figure, the lower end surface height of the L-shaped plate 101 is lower than the lower end surface height of the detection plate 102, so that the L-shaped plate 101 first presses down the double baffle 202, and drives the limit bar 207 to squeeze the packaging bag body open, and then facilitates the insertion of the detection plate 102, which is in line with the process flow.

[0058] A pair of detachment plates 106 are fixedly connected to the lower end of the top plate 301. The pair of detachment plates 106 are arranged at both ends of the detection plate 102 and slide with it. The detachment plates 106 pass through the L-shaped plate 101 and slide with it. There is a distance difference between the lower end of the detachment plate 106 and the double baffle 202. The detachment plates 106 separate the packaging bag body after inspection from the detection plate 102.

[0059] Specifically, a pair of separation plates 106 are provided on both sides of the detection plate 102, and their height remains unchanged like the top plate 301. Since the overall width of the packaging bag body increases after the expansion detection, the double baffles 202 reset upward at this time, and there is a certain probability that the packaging bag body will be pushed upward and cannot return to the double baffles 202, or the packaging bag body moves upward with the detection plate 102. Therefore, a separation plate 106 is provided to limit the height of the packaging bag body, and then cooperates with the roller 205 at the upper end of the double baffle 202 to make the packaging bag body with restricted height re-stuck between the roller 205 and the double baffle 202 to complete the reset, which is highly practical.

[0060] One end of a pair of shift blocks 105 is respectively fixedly connected to a pair of racks 107, which slide with the concave plate 103, and the middle side of the concave plate 103 is rotatably connected to a gear 108. A pair of racks 107 are relatively arranged at both ends of the gear 108, and the gear 108 is simultaneously engaged with the pair of racks 107. The upper end of the gear 108 is fixedly connected to a rotating rod 109, which passes through the concave plate 103 and is rotatably connected to it. A spring member is sleeved on the outer side of the guide rod 104, and the two sides of the spring member are respectively connected to the shift block 105 and the concave plate 103.

[0061] Specifically, in the initial state, the pair of detection plates 102 are merged in the middle under the elastic force of the spring member. When the pair of detection plates 102 need to be driven to move relative to each other, the rotation of the rotating rod 109 drives the gear 108 to rotate, and the gear 108 simultaneously drives the pair of racks 107 to move in the opposite direction through meshing. The pair of racks 107 are respectively connected to the pair of shift blocks 105 (such as Figure 8 As shown), a pair of detection plates 102 can be driven to move for detection at the same time.

[0062] The upper end of the top plate 301 is fixedly connected to a square column 302, the upper end of the square column 302 is fixedly connected to a motor component, the lower end of the motor component drives a threaded sleeve 303, the lower end of the threaded sleeve 303 passes through the top plate 301 and is rotatably connected thereto, an external thread is provided on the outer side of the rotating rod 109, the rotating rod 109 is threadedly connected to the inner side of the threaded sleeve 303, and the elastic force of the spring component is greater than the elastic force of the spring telescopic rod 204.

[0063] The screw sleeve 303 is screwed to the rotating rod 109, and the rotating rod 109 does not drive the gear 108 to rotate at first due to the elastic force of the spring member. Instead, the rotating rod 109 remains relatively stationary. At this time, the rotating rod 109 is screwed to the rotating rod 109, so that the rotating rod 109 moves linearly along the screw sleeve 303, driving the concave plate 103 to move downward. The elastic force of the spring member is greater than the elastic force of the spring telescopic rod 104, so that the spring telescopic rod 104 is compressed first, that is, the double baffle 202 is pressed down until the detection plate 102 moves to the corresponding position in the opening of the packaging bag body, and the L-shaped plate 101 also presses the double baffle 202 to death. At this time, the screw sleeve 303 is continued to be rotated, and the screw sleeve 303 can drive the rotating rod 109 to rotate, thereby driving the gear 108 and driving the detection plate 102 to move, so as to detect the packaging bag body.

[0064] That is to say, only a single motor is used to drive the relative movement of the detection plate 102 and simultaneously drive the lifting and lowering of the L-shaped plate 101 and the detection plate 102, thereby improving the motor utilization rate and saving costs.

[0065] The pushing mechanism includes a pushing block 402, which passes through the middle side of the H-shaped groove 203 and slides with it. The upper end surface of the pushing block 402 is flush with the upper end surface of the support plate 201, and the lower end of the pushing block 402 is fixedly connected to the I-shaped plate 403. A telescopic short rod is provided between the two sides of the I-shaped plate 403 and the support plate 201. A pushing mechanism is provided on the lower side of a pair of clamping and transporting rollers 401. The pushing mechanism is provided at the lower end of the conveying double track 8. The pushing mechanism is used to push the I-shaped plate 403 and the pushing block 402 to push the packaging bag body upward to between the pair of clamping and transporting rollers 401.

[0066] Specifically, a push block 402 that can be lifted and lowered is provided on the lower side of the support plate 201. The push block 402 is inserted into the middle of the H-shaped groove 203 and slides along it (eg, Figure 4 As shown), it contacts the lower end of the packaging bag body and supports it. When the packaging bag body moves to the lower side of the clamping transport roller 401, the pushing mechanism is located on the lower side of the I-type plate 403 (as shown). Figure 11 As shown in the figure), the pushing mechanism pushes the I-type plate 403 and the pushing block 402 upwards, and the pushing block 402 can lift the packaging bag body and make it get stuck between a pair of clamping and transporting rollers 401. The packaging bag body is completely separated from between the double baffles 202 through the transmission of the clamping and transporting rollers 401, completing automatic unloading, avoiding the need to install an unloading mechanism on each set of support parts 2 for unloading, saving space and cost.

[0067] The pushing mechanism includes a pushing plate 404, which is arranged corresponding to the I-type plate 403 and has a clearance fit. A number of spring retraction rods 405 are provided at the lower end of the pushing plate 404, and the lower end of the spring retraction rod 405 is connected to a concave frame 406. The two ends of the concave frame 406 are fixed to the lower end of the conveying double track 8. A rotating shaft 407 is rotatably connected between the two ends of the concave frame 406, and a cam 408 is fixedly connected to the middle end of the rotating shaft 407. The upper end of the cam 408 is in contact with the pushing plate 404.

[0068] Specifically, when the I-plate 403 moves to the upper side of the push plate 404, a gap is left between the two, so as not to hinder the transportation of the support part 2. When unloading is required, the cam 408 is driven to rotate by the rotating shaft 407, and the push plate 404 is close to the upper side of the cam 408 under the action of the spring retraction rod 405. When the cam 408 rotates, the push plate 404 is lifted to complete the unloading. The cam 408 continues to rotate to lower the push plate 404, thereby realizing the function of continuous unloading, cooperating with the continuous transportation of the packaging bag body, and improving work efficiency.

[0069] Side plate frames are provided on both sides of the conveyor belt assembly 7, and the side plate frames are fixed on the conveying double rails 8. One end of the clamping and transporting roller 401 passes through the side plate frame and is fixedly connected to a pulley 1 409 at the passing end. One end of the rotating shaft 407 passes through the concave frame 406 and is fixedly connected to a pulley 2 410 at the passing end. The pulley 1 409 is connected to the pulley 2 410. An arc cover 411 is provided on the upper side of the clamping and transporting roller 401, and the arc cover 411 extends to the conveyor belt assembly 7.

[0070] Specifically, when unloading is required, the packaging bag body at this time stays at the unloading part 4, and similarly, the packaging bag body to be inspected also stays at the lower side of the inspection part 1, so that the inspection and unloading processes are carried out simultaneously;

[0071] The motor assembly drives the clamping and transporting roller 401 to rotate, and the belt transmission mechanism simultaneously drives the rotating shaft 407 and the cam 408 to rotate, so that the packaging bag body can be lifted up and simultaneously transported by the clamping and transporting roller 401, achieving a linkage effect between the two. Only a single motor assembly is used to achieve the lifting and transporting of the packaging bag body, saving costs and having good synchronization.

[0072] The packaging bag body held and transported by the holding and transporting roller 401 moves upward and contacts the arc-shaped cover 411 (as shown in FIG. Figure 12 As shown), under its limiting effect, the packaging bag body moves to the upper side of the conveyor belt assembly 7, and the packaging bag body that has been inspected can be transferred to the next process.

[0073] In the description of this application, it should be noted that, unless otherwise expressly specified or limited, the terms "installed," "connected," and "connected" should be understood in a broad sense. For example, they can refer to fixed connections, detachable connections, or integral connections; they can refer to mechanical connections, electrical connections, or interconnected connections; they can refer to direct connections, internal connectivity between two components, or an interaction between two components. A person of ordinary skill in the art will be able to understand the meaning of the above terms in this application based on the specific circumstances.

[0074] The above is a detailed introduction to the ultimate strength continuous testing line for medical packaging bags provided in the embodiments of the present application. Specific examples are used herein to illustrate the principles and implementation methods of the present application. The description of the above embodiments is only used to help understand the technical solutions and core ideas of the present application. Ordinary technicians in this field should understand that they can still modify the technical solutions recorded in the aforementioned embodiments, or replace some of the technical features therein with equivalents; and these modifications or replacements do not cause the essence of the corresponding technical solutions to deviate from the scope of the technical solutions of the embodiments of the present application.

Claims

1. A continuous testing line for the ultimate strength of medical packaging bags, comprising a conveying double track (8), a support portion (2), a testing portion (1), a conveyor belt assembly (7) and a discharge portion (4), characterized in that: The double-track conveyor (8) comprises a pair of transmission tracks arranged opposite to each other, the cross section of the transmission track being concave-shaped, and the double-track conveyor (8) is closed at both ends to form a closed transport line; The support parts (2) are provided in a plurality of groups and are continuously arranged in the conveying double rails (8). There is a distance difference between the plurality of support parts (2). The support parts (2) are used to vertically place the packaging bag body. The support parts (2) include a support plate (201). Both sides of the support plate (201) are inserted into the conveying double rails (8) and move along the support plate. A liftable double baffle (202) is vertically provided on the upper side of the support plate (201). The packaging bag body is placed between the double baffles (202) with its opening facing upwards. The detection part (1) is arranged on the upper side of the double conveying rails (8), and the detection part (1) includes a lifting mechanism, a pair of L-shaped plates (101) and a pair of detection plates (102). The lifting mechanism is used to drive the pair of L-shaped plates (101) and the pair of detection plates (102) to rise and fall synchronously. The pair of L-shaped plates (101) press the double baffles (202) down to the lower side of the support plate (201). The pair of detection plates (102) are used to be inserted into the opening of the packaging bag body. The pair of detection plates (102) open the packaging bag body by relatively moving in opposite directions, so as to perform an ultimate strength test on the packaging bag body. The unloading portion (4) comprises a pair of clamping and transporting rollers (401) and a lifting mechanism, wherein the lifting mechanism is used to lift up the packaging bag body after inspection, and the pair of clamping and transporting rollers (401) rotate in opposite directions relative to each other and clamp the lifted packaging bag body and transfer it to the conveyor belt assembly (7).

2. The continuous ultimate strength testing line for medical packaging bags according to claim 1, characterized in that: An H-shaped groove (203) is provided through the middle side of the support plate (201), the double baffle (202) is inserted into both sides of the H-shaped groove (203) and slidably cooperates with the double baffle (202), a connecting block is fixedly connected to the outer side of the upper end of the double baffle (202), a spring telescopic rod (204) is provided at the lower end of the connecting block, the lower end of the spring telescopic rod (204) is connected to the support plate (201), and the upper end of the double baffle (202) is rotatably connected to the roller (205).

3. The continuous ultimate strength testing line for medical packaging bags according to claim 1, characterized in that: A pair of square openings are provided on both sides of the support plate (201), and a spring telescopic rod (206) is provided at one end of the inner side of the square opening. A limit strip (207) is provided at one end of the spring telescopic rod (206), and the lower end of the limit strip (207) is slidably matched with the square opening. The limit strip (207) is provided between the double baffles (202), and the outer end of the limit strip (207) is fixedly connected to a trapezoidal wedge (208). A pair of T-shaped strips (209) are fixedly connected to both ends of the double baffles (202), and the lower end of the T-shaped strip (209) is provided with an oblique chamfer corresponding to the trapezoidal wedge (208). The limit strip (207) is used to limit and squeeze the two sides of the packaging bag body.

4. The continuous ultimate strength testing line for medical packaging bags according to claim 2, characterized in that: The lifting mechanism includes a pair of support frames (3), the support frames (3) are fixed to the upper ends of the conveying double rails (8), the upper ends of the support frames (3) are fixedly connected to a top plate (301), the lower end of the top plate (301) is provided with a concave plate (103), the two ends of the concave plate (103) are respectively fixedly connected to a pair of L-shaped plates (101), a plurality of telescopic columns (9) are provided between the concave plate (103) and the L-shaped plate (101) and the top plate (301), a pair of guide rods (104) are fixedly connected between the concave plates (103), the guide rods (104) pass through and are slidably matched with a pair of moving blocks (105), and the moving blocks (105) are fixedly connected to the upper end of the detection plate (102); The concave plate (103) is driven by a linear drive assembly to move up and down, and the height of the lower end surface of the L-shaped plate (101) is lower than the height of the lower end surface of the detection plate (102).

5. The continuous ultimate strength testing line for medical packaging bags according to claim 4, characterized in that: A pair of detachment plates (106) are fixedly connected to the lower end of the top plate (301). The pair of detachment plates (106) are arranged at both ends of the detection plate (102) and are slidably matched therewith. The detachment plates (106) pass through the L-shaped plate (101) and are slidably matched therewith. There is a distance difference between the lower end of the detachment plates (106) and the double baffle (202). The detachment plates (106) separate the packaging bag body after detection from the detection plate (102).

6. The continuous ultimate strength testing line for medical packaging bags according to claim 4, characterized in that: One end of a pair of shifting blocks (105) is fixedly connected to a pair of racks (107), the racks (107) are slidably matched with the concave plate (103), the middle side of the concave plate (103) is rotatably connected to a gear (108), a pair of racks (107) are relatively arranged at the two ends of the gear (108), the gear (108) is simultaneously meshed with the pair of racks (107), the upper end of the gear (108) is fixedly connected to a rotating rod (109), the rotating rod (109) passes through the concave plate (103) and is rotatably connected thereto, the outer side of the guide rod (104) is sleeved with a spring member, and the two sides of the spring member are respectively connected to the shifting block (105) and the concave plate (103).

7. The continuous ultimate strength testing line for medical packaging bags according to claim 6, characterized in that: The upper end of the top plate (301) is fixedly connected to a square column (302), the upper end of the square column (302) is fixedly connected to a motor component, the lower end of the motor component drives a threaded sleeve (303), the lower end of the threaded sleeve (303) passes through the top plate (301) and is rotatably connected thereto, the outer side of the rotating rod (109) is provided with an external thread, the rotating rod (109) is threadably connected to the inner side of the threaded sleeve (303), and the elastic force of the spring component is greater than the elastic force of the spring telescopic rod (204).

8. The continuous ultimate strength testing line for medical packaging bags according to claim 2, characterized in that: The pushing mechanism includes a push block (402), which passes through the middle side of the H-shaped groove (203) and is slidably matched therewith. The upper end surface of the push block (402) is flush with the upper end surface of the support plate (201). The lower end of the push block (402) is fixedly connected to the I-shaped plate (403). A telescopic short rod is provided between the two sides of the I-shaped plate (403) and the support plate (201). A pushing mechanism is provided on the lower side of a pair of clamping and transporting rollers (401). The pushing mechanism is provided at the lower end of the conveying double track (8). The pushing mechanism is used to push the I-shaped plate (403) and the push block (402) to push the packaging bag body upward to between the pair of clamping and transporting rollers (401).

9. The continuous ultimate strength testing line for medical packaging bags according to claim 8, characterized in that: The pushing mechanism includes a pushing plate (404), the pushing plate (404) and the I-type plate (403) are correspondingly arranged and clearance-matched, the lower end of the pushing plate (404) is provided with a plurality of spring retraction rods (405), the lower end of the spring retraction rods (405) is connected to a concave frame (406), the two ends of the concave frame (406) are fixed to the lower end of the conveying double track (8), a rotating shaft (407) is rotatably connected between the two ends of the concave frame (406), the middle end of the rotating shaft (407) is fixedly connected to a cam (408), and the upper end of the cam (408) is in close contact with the pushing plate (404).

10. The continuous ultimate strength testing line for medical packaging bags according to claim 9, characterized in that: Side plate frames are provided on both sides of the conveyor belt assembly (7), and the side plate frames are fixed on the conveying double rails (8). One end of the clamping transport roller (401) passes through the side plate frame and is fixedly connected to a pulley 1 (409) at the passing end. One end of the rotating shaft (407) passes through the concave frame (406) and is fixedly connected to a pulley 2 (410) at the passing end. The pulley 1 (409) is connected to the pulley 2 (410). An arc cover (411) is provided on the upper side of the clamping transport roller (401), and the arc cover (411) extends to the conveyor belt assembly (7).

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