Cotton feeding mechanism of automatic cotton plugging machine for exchanging needle protective caps
By designing the cotton feeding mechanism of the automatic cotton stuffing machine, and utilizing the servo motor-driven feeding roller and cutting mechanism, the automated cutting and feeding of cotton balls for syringe sheaths and caps is achieved, solving the problem of high labor input in manual operation and improving production efficiency and accuracy.
Patent Information
- Application Number
- CN202423097188.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-16
- Publication Date
- 2026-01-20
- Estimated Expiration
- 2034-12-16
AI Technical Summary
In existing technologies, the process of inserting cotton balls into the syringe sheath and cap relies on manual operation, which results in a large labor input and a high risk of leakage.
Design a cotton feeding mechanism for an automatic cotton stuffing machine with interchangeable needle caps. Utilize a servo motor-driven feeding roller and cutting mechanism to automatically cut cotton strips into small segments and stuff them into the caps. The mechanism includes an arc-shaped guide plate, feeding roller, gears, pulleys, servo motor, cutting cylinder, and detachable scissors to achieve automated feeding.
It reduces the labor intensity of workers, improves production efficiency, and ensures that the cotton balls are automatically and accurately stuffed into the protective cap, avoiding the inconvenience and leakage problems of manual operation.
Smart Images
Figure CN223812348U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to medical instrument manufacturing technical field, especially a cotton feeding mechanism of automatic cotton inserting machine of exchange needle cap. BACKGROUND
[0002] At present, the syringe is often used in test and treatment field, for example, when a person or animal is ill, the person or animal is often injected medicine by the syringe to carry out treatment, and the injection needle on the syringe is an indispensable part of the whole tool, medicine is input into the person or animal body through the needle head installed on the injection needle, a syringe has a needle head, the needle head and the needle seat are riveted to form a riveted needle, the riveted needle is installed in a sheath, a cap is connected to the sheath to seal the riveted needle in the sheathed cap, and cotton is inserted into the bottom of the cap to protect the needle tip of the needle head, and the existing cotton is generally cut into small cotton groups by artificial, and then the cotton group is inserted into the cap, so that the artificial labor input is increased, and if the operation is not careful, the phenomenon that the cotton group is not inserted is caused. SUMMARY
[0003] The utility model aims at overcoming the defects in the prior art, and provides a cotton feeding mechanism of automatic cotton inserting machine of exchange needle cap.
[0004] In order to achieve the above-mentioned purpose, the technical scheme of the utility model is to design a cotton feeding mechanism of automatic cotton inserting machine of exchange needle cap, the cotton feeding mechanism comprises a cotton feeding support, an arc-shaped guide piece is arranged at the upper end of the cotton feeding support, a pair of feeding rollers are arranged at the lower end of the arc-shaped guide piece, the two ends of each feeding roller are installed on the cotton feeding support through a bearing support, a gear is arranged at the corresponding end of the pair of feeding rollers, the pair of gears are meshed and connected, a belt wheel is arranged at the other end of one of the feeding rollers, the cotton feeding support is provided with a servo motor, the output end of the servo motor is provided with a belt wheel, and the two belt wheels are connected through a belt.
[0005] A cutting mechanism is arranged below the pair of feeding rollers of the cotton feeding support.
[0006] At least two cotton material trays are arranged outside the cotton feeding support, and the cotton material trays can place finished cotton rod trays.
[0007] Further preferred technical solutions are that the cutting mechanism comprises a detachable scissors arranged below the pair of feeding rollers, the rivet part of the scissors is installed on a mounting block, the mounting block is arranged on the cotton feeding support through a mounting support, a guide groove is arranged on the mounting support, the mounting block can slide in the guide groove and be locked through a jackscrew.
[0008] A shearing cylinder is arranged on the side of the scissors close to the rotary disc, a piston rod of the shearing cylinder is connected with one blade of the scissors through a connecting piece, the shearing cylinder is used to drive the scissors to open or close, and the strip-shaped cotton plug is sheared into small cotton plugs and inserted into the cap.
[0009] The shearing cylinder is installed on the cotton feeding support through a shearing support, a linear guide rail is further arranged on the shearing support, the piston rod of the shearing cylinder is connected with the linear guide rail, the linear guide rail is connected with one blade of the scissors, and the linear guide rail is used to drive the scissors to open or close.
[0010] Further preferred technical solutions also include that the cutting mechanism comprises a front support fixed on the cotton feeding support in front of the pair of feeding rollers, the front support is provided with a first cylinder, a piston rod of the first cylinder is connected with a lower knife seat below the feeding roller, and the cutting mechanism further comprises a rear support fixed on the cotton feeding support behind the pair of feeding rollers, the rear support is provided with a second cylinder, and a piston rod of the second cylinder is connected with an upper blade below the feeding roller.
[0011] Further preferred technical solutions also include that at least two line grooves are arranged on the outer periphery of each feeding roller, one line groove of one feeding roller is paired with one line groove of another feeding roller, and the cotton plug moves along the pair of line grooves.
[0012] Further preferred technical solutions also include that a wire harness plate is arranged on the bearing support and crosses above the feeding roller, and the wire harness plate is provided with at least two wire harness holes.
[0013] Further preferred technical solutions also include that the shearing support is sleeved on a screw rod, the cotton feeding support is provided with a mounting plate, the mounting plate is provided with a mounting hole, the screw rod passes through the mounting hole, and the screw rod is locked on the mounting plate through a nut.
[0014] Further preferred technical solutions also include that a guide frame is further arranged between the upper blade and the feeding roller, the upper end of the guide frame is a tapered opening, and the lower end of the guide frame is a closed end.
[0015] Further preferred technical solutions also include that both ends of one feeding roller are slidably installed on the bearing support through bearings, the bearing supports at both ends of the feeding roller are provided with guide grooves, the bearings of the feeding roller are slidably installed in the guide grooves, and each bearing support is provided with a locking screw connected with the outer ring of the corresponding bearing at the end away from the other feeding roller.
[0016] The utility model discloses a cotton feeding mechanism of automatic cotton inserting machine of exchange needle cap has the advantages and beneficial effects that the strip cotton is cut into small cotton group and is inserted into the cap through the cotton feeding mechanism, realizes the automatic cutting and feeding of cotton, reduces the labor intensity of the worker, and improves the production efficiency. BRIEF DESCRIPTION OF DRAWINGS
[0017] Figure 1 For the utility model uses the axonometric drawing;
[0018] Figure 2 For the axonometric drawing of the first embodiment of the utility model one;
[0019] Figure 3 For the axonometric drawing of the first embodiment of the utility model two;
[0020] Figure 4 For the axonometric drawing of the second embodiment of the utility model one;
[0021] Figure 5 For the axonometric drawing of the second embodiment of the utility model two. DETAILED DESCRIPTION
[0022] The specific embodiment of the utility model is further described below in combination with the drawings and examples. The following examples are only used to more clearly illustrate the technical scheme of the utility model, and cannot limit the protection scope of the utility model.
[0023] As Figures 1-5 Shown, a kind of automatic cotton inserting machine of exchange needle cap's cotton feeding mechanism 100 includes cotton feeding support 111, the upper end of the cotton feeding support 111 is equipped with arc-shaped guide piece 102, the lower end of the arc-shaped guide piece 102 is equipped with a pair of feed rollers 114, the both ends of each feed roller 114 are installed in the cotton feeding support 111 by bearing support 115, a pair of gear wheels 119 are respectively arranged at the corresponding end of a pair of the feed rollers 114, a pair of the gear wheels 119 are engagedly connected, a belt wheel 116 is arranged at the other end of one of the feed rollers 114, the cotton feeding support 111 is equipped with servo motor 118, the output end of the servo motor 118 is equipped with belt wheel 116, and two belt wheels are connected by belt 117.
[0024] In order to make cotton can be accurately docked with guide mechanism 300, at least two lines grooves are formed on the outer periphery of each feed roller 114, and one line groove of one feed roller 114 is paired with one line groove of another feed roller 114, so that the cotton moves in a directional manner along a pair of lines grooves, preventing the cotton from swinging on a pair of the feed rollers 114.
[0025] A wire harness plate 103 is arranged on the bearing support 115 above the feed rollers 114, and at least two wire harness holes 104 are arranged on the wire harness plate 103. The cotton strip passes through the arc-shaped guide piece 102, then passes through the corresponding wire harness hole 104, and then enters the wire slot of the corresponding pair of feed rollers 114 for intermittent feeding under the drive of the servo motor.
[0026] A cutting mechanism is arranged below the pair of feed rollers 114. The cutting mechanism includes a detachable scissor 112, the rivet part of which is installed on a mounting block 121. The mounting block 121 is arranged on the cotton feeding support 111 through a mounting support 122. The mounting support 122 is provided with a guide groove, and the mounting block 121 can slide in the guide groove and be locked by a jack screw. In this way, the position of the cutting edge of the scissor 112 for cutting the cotton strip can be adjusted to make the cutting of the cotton strip more smooth.
[0027] A cutting cylinder 109 is arranged on the side of the scissor 112 close to the rotary disc 200. The piston rod of the cutting cylinder 109 is connected with one of the cutting edges of the scissor 112 through a connecting piece. The scissor 112 is driven to open or close by the cutting cylinder 109, so that the strip-shaped cotton strip is cut into small cotton pieces and inserted into the cap.
[0028] The cutting cylinder 109 is installed on the cotton feeding support 111 through a cutting support 107. The cutting support is rotatably sleeved on a screw rod 106. The cotton feeding support 111 is provided with a mounting plate 107, and the mounting plate 107 is provided with a mounting hole. The screw rod 106 passes through the mounting hole and is locked on the mounting plate 107 by a nut 105. In this way, the distance between the cutting cylinder 108 and the scissor 112 can be adjusted by rotating the screw rod 106 to adapt to the stroke of the cutting cylinder 109.
[0029] The cutting support is also provided with a linear guide rail 110. The piston rod of the cutting cylinder 109 is connected with the guide rail 110. The guide rail is connected with one of the cutting edges of the scissor 112. The scissor 112 is driven to open or close by the linear guide rail 110.
[0030] In another embodiment, as Figures 4-5As shown, the cutting mechanism includes a front support 129 fixed on the cotton feeding support 111 in front of the pair of feeding rollers 114, the front support 129 is provided with a first cylinder 128, the piston rod of the first cylinder 128 is connected with the lower knife seat 127 below the feeding roller 114, and the cutting mechanism also includes a rear support 123 fixed on the cotton feeding support 111 behind the pair of feeding rollers 114, the rear support 123 is provided with a second cylinder 124, the piston rod of the second cylinder 124 is connected with the upper blade 125 below the feeding roller 114, through the linkage of the first cylinder 128 and the second cylinder 124, the upper blade 125 and the lower knife seat 127 are driven to open or close, and the strip-shaped cotton strip is cut into small cotton bolls and inserted into the cap.
[0031] A guide frame 126 is also provided between the upper blade 125 and the feeding roller 114, the upper end of the guide frame 126 is a tapered opening, and the lower end is a closed end, which can guide the strip-shaped cotton strip and stabilize the cotton strip, facilitating cutting.
[0032] Since the thickness of the cotton strip is different, in order to adapt the gap between the pair of feeding rollers 114 to different thicknesses of the cotton strip, one end of the feeding roller 114 is slidably installed on the bearing support 115 through a bearing, specifically, the bearing support 115 at each end is provided with a guide groove 120, the bearing of the feeding roller 114 is slidably installed in the guide groove 120, and the end of each bearing support 115 away from the other feeding roller 114 is provided with a locking screw 113 connected with the outer ring of the corresponding bearing, the bearing can be driven to move along the guide groove 120 by the locking screw 113, so that the two feeding rollers 114 move away from or close to each other, and then the gap between the pair of feeding rollers 114 is adjusted.
[0033] In use, the cotton feeding mechanism 100 is arranged on the rack 400 outside the rotary disc 200, the rack 400 is a box type rack, the rack 400 is provided with a protractor 402, intermittent movement is realized through the protractor 402, the rack 400 is provided with a driving motor 401 and a speed reducer, the output shaft of the driving motor 401 is connected with the input end of the speed reducer, the output end of the speed reducer is connected with the input end of the protractor 402, finally realizing that the cotton plug is put into the cap, the output end of the protractor 402 is connected with a rotary disc 200, the rotary disc 200 is provided with a plurality of groups of bases, the base 201 is an arc-shaped notch directly arranged on the rotary disc 200, the outer periphery of the cap is provided with a ring of convex rings; the convex rings are placed on the arc-shaped notch, so that the cap is suspended on the edge of the rotary disc 200, an arc-shaped retaining ring 202 is arranged on the edge of the rotary disc 200, the arc-shaped retaining ring 202 is arranged along the edge of the rotary disc 200, when the cap is placed on the arc-shaped notch, it can fall off from the arc-shaped notch at any time, the arc-shaped retaining ring 202 limits the cap in the arc-shaped notch, the arc-shaped retaining ring 202 is supported on the edge of the rotary disc 200 through a group of supporting rods 203, the length of the arc-shaped retaining ring 202 is adjusted according to the structure, generally at the position corresponding to the discharging, the arc-shaped retaining ring 202 has an opening to make the cap separate from the arc-shaped notch.
[0034] The base 201 is provided with a guide structure 300 on the rotary disc 200 corresponding to the base 201, the guide structure 300 comprises guide blocks 301 and supporting blocks 302, the supporting block 302 is a right-angle plate structure, the supporting block 302 forms a space at the upper end of the cap to accommodate the cap exposed on the upper segment of the rotary disc 200, the supporting block 302 is fixed on the rotary disc 200, the supporting block 302 is provided with through holes corresponding to the base 301 one by one; the supporting block 302 is provided with guide blocks 301, the guide block 301 is provided with a guide hole 303 penetrating the body, the guide hole 303 is a tapered hole, the guide hole 303 is connected with the through hole, the cotton plug falls into the guide hole 303, can automatically fall into the through hole along the guide hole 303, and then falls into the cap through the through hole, the guide hole 303 can collect and guide the cotton plug, realizing that the cotton plug automatically falls into the cap.
[0035] The above is only the preferred embodiment of the present application, it should be pointed out that, for those skilled in the technical field, without departing from the technical principle of the present application, a number of improvements and refinements can be made, these improvements and refinements should also be regarded as the protection scope of the present application.
Claims
1. A cotton feeding mechanism for an automatic cotton feeding machine with interchangeable needle caps, characterized in that, The cotton feeding mechanism includes a cotton feeding bracket, an arc-shaped guide plate at the upper end of the cotton feeding bracket, a pair of feeding rollers at the lower end of the arc-shaped guide plate, and two ends of each feeding roller mounted on the cotton feeding bracket via bearing brackets. A gear is provided at the corresponding ends of the pair of feeding rollers, and the pair of gears are meshed together. A pulley is provided at the other end of one of the feeding rollers. The cotton feeding bracket is equipped with a servo motor, and a pulley is provided at the output end of the servo motor. The two pulleys are connected by a belt. A cutting mechanism is provided on the cotton feeding bracket below the pair of feed rollers; At least two cotton trays are provided on the outside of the cotton feeding bracket, and finished cotton strips can be placed on the cotton trays.
2. The cotton feeding mechanism of an automatic cotton-feeding machine for exchanging needle caps according to claim 1, characterized in that, The cutting mechanism includes detachable scissors disposed below a pair of feed rollers. The rivet portion of the scissors is mounted on a mounting block. The mounting block is mounted on the cotton feeding bracket via a mounting support. The mounting support is provided with a guide groove. The mounting block can slide in the guide groove and be locked by a top screw. A shearing cylinder is provided on the side of the scissors near the rotary table. The piston rod of the shearing cylinder is connected to one of the blades of the scissors through a connector. The shearing cylinder drives the scissors to open or close, cutting the strip of cotton into small cotton balls and stuffing them into the protective cap. The shearing cylinder is mounted on the cotton feeding bracket via a shearing support. The shearing support is also equipped with a linear guide rail. The piston rod of the shearing cylinder is connected to the linear guide rail, and the linear guide rail is connected to one blade of the scissors. The scissors are driven to open or close via the linear guide rail.
3. The cotton feeding mechanism of an automatic cotton-feeding machine for exchanging needle caps according to claim 1, characterized in that, The cutting mechanism includes a front support fixed to the cotton feeding bracket in front of the pair of feed rollers. The front support is equipped with a first cylinder, the piston rod of which is connected to the lower blade holder below the feed rollers. It also includes a rear support fixed to the cotton feeding bracket behind the pair of feed rollers. The rear support is equipped with a second cylinder, the piston rod of which is connected to the upper blade below the feed rollers.
4. The cotton feeding mechanism of an automatic cotton feeding machine for exchanging needle caps according to claim 1, characterized in that, At least two grooves are provided on the outer periphery of each of the feed rollers, and one groove of one feed roller is paired with one groove of another feed roller, so that the sliver moves in a directional manner along the pair of grooves.
5. The cotton feeding mechanism of an automatic cotton feeding machine for exchanging needle caps according to claim 1, characterized in that, A wire harness plate is provided on the bearing bracket, spanning above the feed roller, and the wire harness plate has at least two wire harness holes.
6. The cotton feeding mechanism of an automatic cotton feeding machine for exchanging needle caps according to claim 2, characterized in that, The shear support is rotatably mounted on a screw, and the cotton feeding bracket is provided with a mounting plate. The mounting plate has mounting holes, and the screw passes through the mounting holes and is locked to the mounting plate by a nut.
7. The cotton feeding mechanism of an automatic cotton feeding machine for exchanging needle caps according to claim 3, characterized in that, A guide frame is also provided between the upper blade and the feed roller. The upper end of the guide frame is a conical opening, and the lower end is a tapered opening.
8. The cotton feeding mechanism of an automatic cotton feeding machine for exchanging needle caps according to any one of claims 1-7, characterized in that, The two ends of one of the feed rollers are slidably mounted on bearing supports via bearings. The bearing supports at both ends of the feed roller are provided with guide grooves, and the bearings of the feed rollers are slidably mounted in the guide grooves. Each bearing support is provided with a locking screw at the end away from the other feed roller, which is connected to the outer ring of the corresponding bearing.