Detection reagent bottle labeling head capable of being accurately adjusted
By combining a separate magnetic scale and a hard-limit clutch structure, the problem of inaccurate positioning of the labeling head on the test reagent bottle is solved, enabling precise adjustment and preventing hardware damage, thereby improving the service life and production efficiency of the equipment.
Patent Information
- Application Number
- CN202423251053.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-27
- Publication Date
- 2026-01-02
- Estimated Expiration
- 2034-12-27
AI Technical Summary
The existing label heads on test reagent bottles have inaccurate positioning problems after long-term use, which leads to the accumulation of label positioning errors and may cause structural interference and damage.
A separate magnetic grating ruler is used to detect the telescopic and lifting positions. Combined with a hard limit clutch structure, closed-loop control is achieved, which directly obtains the accurate position and disengages from the motor at the extreme position to prevent hardware interference.
It enables precise adjustment of label position, avoids error accumulation and hardware interference, and improves the positioning accuracy of the labeling head and the lifespan of the equipment.
Smart Images

Figure CN223751320U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to a labeling machine spare field especially, a kind of accurate adjustment's test reagent bottle labeling head. BACKGROUND
[0002] Marking electric eye is the important component of labeling machine, marking electric eye is responsible for the detection to label, according to different bottle body needs different specifications label, therefore needs to adjust marking electric eye.
[0003] The existing marking head marking electric eye adjustment is artificial and electric two, when needing to frequently replace label type, in order to improve production efficiency, electric adjustment is often used, for example, Chinese patent document CN219115944U records a kind of test reagent bottle labeling head that can be automatically adjusted by the long, wide, gap distance, label tape width, label position parameter on label tape of different labels on different label tapes, after calculating after the input of these parameters by controller, marking electric eye is automatically adjusted to corresponding up and down and telescopic position, can carry out one-key label replacement production, greatly improve the automation degree of labeling, improve production efficiency.
[0004] Although motor is used to electrically adjust the position of marking electric eye, but it uses the encoder of servo motor to detect telescopic and lifting position, the position is converted by motor revolution corresponding screw or rack parameter, there is calculation error, and there is reverse gap when motor reverses, long-time use can lead to error accumulation, so that position information is out of alignment, error moment leads to millimeter level error, and since label is relatively thin, only zero point several millimeters, so the scheme of using servo motor to detect position can exist after long-time use Positioning error, so that marking electric eye cannot be accurately adjusted to target position, and using electrical soft limit due to error there can be over-limit situation, serious time can lead to adjustment structure interference damage. SUMMARY
[0005] The technical problem to be solved by the utility model is to provide a kind of accurate adjustment's test reagent bottle labeling head, can solve the problem of above-mentioned inaccurate positioning and easily lead to breakage failure.
[0006] To solve the above technical problems, the technical scheme adopted by the utility model is:
[0007] The application discloses a precisely-adjusted detection reagent bottle labeling head, which comprises upper and lower fixing blocks arranged oppositely, a guide rod and a lead screw arranged in parallel between the two fixing blocks, a lifting motor arranged on the top of the upper fixing block and used for driving the lead screw to rotate, a lifting support block through which the guide rod and the lead screw penetrate, the guide rod being in sliding contact with the lifting support block, the lead screw being connected with a nut in the lifting support block, a telescopic table arranged at one end of the lifting support block and in sliding contact with the lifting support block, the telescopic table being driven by a telescopic motor on the lifting support block to slide and stretch, the sliding and stretching direction of the telescopic table being perpendicular to the guide rod and / or the lead screw, the telescopic table being fixedly connected with a detection label electric eye, a magnetic scale being arranged below the telescopic table and corresponding to the position of a reading head on the bottom of the lifting support block, and the guide rod being provided with a magnetic scale corresponding to the position of a reading head on the upper end surface of the lifting support block.
[0008] The telescopic table is composed of a telescopic sliding block in an L shape and a fixed boss, the lower end surface of the fixed boss is in sliding contact with the surface of the L-shaped sliding table, the side wall of the telescopic sliding block is in sliding contact with the top end of the column block on both sides of the gear groove, a rack is arranged on the telescopic sliding block and engaged with a telescopic driving gear, the fixed boss is fixedly connected with the detection label electric eye, wedge-shaped guide rails are arranged on both sides of the rack and the lower end of the fixed boss, the wedge-shaped guide rails are matched with wedge-shaped grooves and in sliding contact.
[0009] The bottom of the telescopic sliding block is provided with a detection boss, and the magnetic scale for detecting the telescopic position is fixed on the detection boss.
[0010] Both ends of the telescopic sliding block are provided with telescopic hard limit boss, and the telescopic hard limit lever is arranged on the telescopic hard limit boss.
[0011] The telescopic motor and the lifting motor are provided with a hard limit clutch.
[0012] The hard limit clutch structure at the telescopic motor is:
[0013] The lifting support block is provided with through holes corresponding to the positions of the telescopic hard limit lever, the telescopic hard limit lever drives the separated driving rack to move in translation through the through holes, the separated driving rack is engaged with a separated transmission gear, the center of the separated transmission gear is provided with a telescopic separated lead screw, the telescopic separated lead screw is matched with a separated nut to lift, the separated nut drives the separated support and the separated support and the separated levers on both sides to move up and down, the lifting of the separated levers makes the telescopic motor combine with or separate from the telescopic driving gear, the separated nut is fixed with a separated nut support rod on one side, and the separated nut support rod is in sliding contact with a fixed sliding groove.
[0014] The shaft body of the telescopic driving gear and the telescopic motor adopts a separable coupling for transmission, the separable coupling is provided with separated bosses driven to separate by the separated levers, the rear end of the separable coupling is provided with a spring, the other end of the spring is fixed by a spring base on the shaft body, the separable coupling and the shaft body are transmitted through a sliding key, and the shaft body limits the separable coupling.
[0015] The hard limit position clutch structure of the lifting motor is as follows:
[0016] The lifting hard limit lever is arranged at the screw rod at the upper and lower ends of the lifting support block, the upper end fixed block and the lower end fixed block are provided with through holes corresponding to the position of the lifting hard limit lever, and the screw rod and the shaft body of the lifting motor are driven by a detachable shaft coupling.
[0017] The detachable shaft coupling at the lifting motor side is provided with a separation boss, the separation boss is driven to be separated by the lifting hard limit lever at the upper end, the rear end of the detachable shaft coupling is provided with a spring, the other end of the spring is fixed by a spring base on the shaft body, the detachable shaft coupling and the shaft body are driven by a sliding key, and the shaft body end of the lifting motor is limited to the detachable shaft coupling;
[0018] The rear end of the detachable shaft coupling at the screw rod side is provided with a spring, the other end of the spring is fixed by a spring base on the shaft body, the detachable shaft coupling and the shaft body of the screw rod are driven by a sliding key, the screw rod is hollow, the screw rod is rotationally fixed at the bottom, the lifting limit connecting rod penetrates the screw rod, the lifting limit connecting rod is provided with a limit plate at the top to limit the detachable shaft coupling, the lifting limit connecting rod is provided with a lifting limit lever at the bottom, the lifting limit lever is limited by a reset fixed block, and the lifting hard limit lever at the lower side can drive the lifting limit lever to move downward.
[0019] The precise adjustment test reagent bottle labeling head provided by the utility model detects the position of stretching and lifting by using the detachable magnetic grid, can not be affected by the error of reverse gap and position conversion, directly obtains the position, and directly separates from the motor when reaching the limit position through the hard limit position clutch structure, and prevents hardware interference damage failure. BRIEF DESCRIPTION OF DRAWINGS
[0020] The utility model will be further described in connection with the drawings and examples:
[0021] Figure 1 The structure diagram of the utility model Figure 1 ;
[0022] Figure 2 The structure diagram of the utility model Figure 2 ;
[0023] Figure 3 The partial enlarged diagram Figure 2 of the utility model;
[0024] Figure 4 The structure diagram of the stretching table;
[0025] Figure 5 The detachable shaft coupling connection diagram at the stretching motor
[0026] Figure 6 Structure diagram for separating driving rack;
[0027] Figure 7 Connection diagram for separable coupling at lifting motor;
[0028] Figure 8 Sectional view of lower separable coupling at lifting motor.
[0029] In the figure: upper end fixed block 1, lower end fixed block 2, guide rod 3, lead screw 4, lifting support block 5, telescopic table 6, telescopic sliding block 61, rack 62, fixed boss 63, wedge-shaped guide rail 64, detection boss 65, telescopic hard limit boss 66, telescopic hard limit lever 67, measuring mark electric eye 7, telescopic drive gear 8, telescopic motor 9, lifting motor 10, magnetic scale 11, reading head 12, lifting hard limit lever 13, separation driving rack 14, telescopic hard limit lever 141, telescopic separation lead screw 15, separation transmission gear 16, separation nut 17, separation bracket 18, separation lever 19, separable coupling 20, separation boss 21, spring base 22, spring 23, sliding key 24, separation nut support rod 25, fixed sliding groove 26, limit plate 27, lifting limit connecting rod 28, lifting limit lever 29, reset fixed block 30. DETAILED DESCRIPTION
[0030] As shown in Figures 1-8 A precisely adjusted detection reagent bottle labeling head, comprising upper end fixed block 1 and lower end fixed block 2 arranged opposite to each other, a guide rod 3 and a lead screw 4 arranged in parallel between the two, the upper end fixed block 1 being provided at the top with a lifting motor 10 for driving the rotation of the lead screw 4, the guide rod 3 and the lead screw 4 penetrating through a lifting support block 5, the guide rod 3 being in sliding contact with the lifting support block 5, the lead screw 4 being connected with a nut in the lifting support block 5, one end of the lifting support block 5 being provided with a telescopic table 6 in sliding contact, the telescopic table 6 being driven by a telescopic motor 9 on the lifting support block 5 to slide and telescope, the sliding and telescoping direction of the telescopic table 6 being perpendicular to the guide rod 3 and / or the lead screw 4, the telescopic table 6 being fixedly connected with a measuring mark electric eye 7, the telescopic table 6 being provided below with a magnetic scale 11, the magnetic scale 11 corresponding in position to a reading head 12 at the bottom of the lifting support block 5, one side of the guide rod 3 being provided with a magnetic scale 11 corresponding in position to the reading head 12 on the upper end surface of the lifting support block 5.
[0031] The magnetic scale does not need hardware contact, perceives position signals through electromagnetic induction, can be conveniently installed, and can directly detect the telescoping and lifting positions. When a label ring type is performed, only the label number needs to be input, and the position of the measuring mark electric eye can be automatically adjusted according to the size of the label, so that full-automatic precise adjustment can be realized.
[0032] The telescopic platform 6 is composed of a telescopic slider 61 in L shape and a fixed boss 63, the lower end surface of the fixed boss 63 is in sliding contact with the surface of the L-shaped sliding platform 52, the side wall of the telescopic slider 61 is in sliding contact with the top end of the column block on both sides of the gear groove 53, the telescopic slider 61 is provided with a rack 62 engaged with the telescopic drive gear 8, and the fixed boss 63 is fixedly connected with the measuring mark electric eye 7; the rack 62 on both sides and the lower end of the fixed boss 63 are provided with wedge-shaped guide rails 64, the wedge-shaped guide rails 64 are matched and in sliding contact with the wedge-shaped grooves 54.
[0033] The bottom of the telescopic slider 61 is provided with a detection boss 65, and the magnetic grating ruler 11 for detecting the telescopic position is fixed on the detection boss 65.
[0034] Both ends of the telescopic slider 61 are provided with telescopic hard limit boss 66, and the telescopic hard limit boss 66 is provided with an inward telescopic hard limit lever 67.
[0035] The telescopic motor 9 and the lifting motor 10 are provided with a hard limit clutch.
[0036] The hard limit clutch structure at the telescopic motor 9 is:
[0037] Both sides of the lifting support block 5 are provided with through holes corresponding to the positions of the telescopic hard limit lever 67, the telescopic hard limit lever 67 drives the separation drive rack 14 to move in translation through the through holes, the separation drive rack 14 is engaged with the separation transmission gear 16, the center of the separation transmission gear 16 is provided with a telescopic separation lead screw 15, the telescopic separation lead screw 15 is matched with a separation nut 17 to lift, the separation nut 17 drives the separation bracket 18 and the separation bracket 18 and the separation lever 19 on both sides to move up and down, the lifting of the separation lever 19 makes the telescopic motor 9 combine with or separate from the telescopic drive gear 8, one side of the separation nut 17 is fixed with a separation nut support rod 25, and the separation nut support rod 25 is in sliding contact with a fixed sliding groove 26.
[0038] The shaft body of the telescopic drive gear 8 and the telescopic motor 9 adopts a separable coupling 20 for transmission, the separable coupling 20 is provided with a separation boss 21 driven to separate by the separation lever 19 on the upper and lower sides, the rear end of the separable coupling 20 is provided with a spring 23, the other end of the spring 23 is fixed by a spring base 22 on the shaft body, the separable coupling 20 and the shaft body are transmitted through a sliding key 24, and the shaft body end limits the separable coupling 20.
[0039] As Figure 5 and 6As shown in the figure, when the telescopic hard limit lever 67 approaches the limit position with the telescopic table 6, the telescopic hard limit lever 67 drives the telescopic hard limit lever 67 through the lifting support block 5 to drive the telescopic hard limit lever 67 on the separation drive rack 14, so that the separation drive rack 14 translates along the sliding groove. The separation drive rack 14 is normally kept in the middle position by the spring on both sides. The translation of the separation drive rack 14 drives the separation transmission gear 16 to rotate, and then drives the telescopic separation lead screw 15 to rotate, and then drives the separation nut 17 to ascend and descend along the fixed sliding groove 26. The fixed sliding groove 26 fixes the radial position of the separation nut 17. The ascent and descent of the separation nut 17 drives the two separation bosses 21 on one of the two sides to fluctuate, so that the two separable couplings 20 are separated.
[0040] The hard limit clutch structure of the lifting motor 10 is as follows:
[0041] The lifting support block 5 is provided with a lifting hard limit lever 13 at each of the upper and lower ends of the lead screw 4. The upper end fixed block 1 and the lower end fixed block 2 are provided with through holes corresponding to the positions of the lifting hard limit lever 13. The lead screw 4 and the shaft of the lifting motor 10 are driven by the separable coupling 20.
[0042] The separable coupling 20 on the side of the lifting motor 10 is provided with a separation boss 21 driven by the lifting hard limit lever 13 at the upper end for separation. The rear end of the separable coupling 20 is provided with a spring 23, and the other end of the spring 23 is fixed by the spring seat 22 on the shaft. The separable coupling 20 and the shaft are driven by the sliding key 24. The shaft end of the lifting motor 10 limits the separable coupling 20;
[0043] The rear end of the separable coupling 20 on the side of the lead screw 4 is provided with a spring 23, and the other end of the spring 23 is fixed by the spring seat 22 on the shaft. The separable coupling 20 and the shaft of the lead screw 4 are driven by the sliding key 24. The lead screw 4 is hollow inside and is rotationally fixed at the bottom. The lifting limit link 28 penetrates the lead screw 4. The lifting limit link 28 is provided with a limit plate 27 at the top to limit the separable coupling 20. The lifting limit link 28 is provided with a lifting limit plate 29 at the bottom. The lifting limit plate 29 is limited by the reset fixed block 30. The lifting hard limit lever 13 on the lower side can drive the lifting limit plate 29 to move downward.
Claims
1. A precisely regulated test reagent bottle label having the following features: The utility model relates to a kind of telescopic platform, including upper end fixed block (1) and lower end fixed block (2) arranged oppositely, which are provided with guide rod (3) and screw rod (4) arranged in parallel between the two, the top of upper end fixed block (1) is equipped with lifting motor (10) for driving screw rod (4) rotation, guide rod (3) and screw rod (4) pass through lifting support block (5), guide rod (3) and lifting support block (5) sliding contact, screw rod (4) and inner nut of lifting support block (5) are connected, one end of passing through lifting support block (5) is equipped with telescopic platform (6) of sliding contact, telescopic platform (6) is driven by telescopic motor (9) on lifting support block (5) and is slidably telescopic, the sliding telescopic direction of telescopic platform (6) is perpendicular to guide rod (3) and / or screw rod (4), telescopic platform (6) is fixedly connected with measuring mark electric eye (7), telescopic platform (6) is equipped with magnetic scale (11) below, magnetic scale (11) and the reading head (12) position of the bottom of lifting support block (5) correspond, guide rod (3) one side is equipped with magnetic scale (11), and magnetic scale (11) and the reading head (12) position of the upper end surface of lifting support block (5) correspond.
2. A precisely regulated test reagent bottle label according to claim 1, wherein, The telescopic platform (6) is composed of an L-shaped telescopic slider (61) and a fixed boss (63), the lower end surface of the fixed boss (63) is in sliding contact with the surface of the L-shaped sliding platform (52), the side wall of the telescopic slider (61) is in sliding contact with the top end of the two side column blocks of the gear groove (53), the telescopic slider (61) is provided with a rack (62) engaged with the telescopic drive gear (8), and the fixed boss (63) is fixedly connected with the measuring mark electric eye (7); the two sides of the rack (62) and the lower end of the fixed boss (63) are provided with wedge-shaped guide rails (64) matching and in sliding contact with the wedge-shaped grooves (54).
3. A precisely regulated test reagent bottle label according to claim 2, wherein, The bottom of the telescopic slider (61) is provided with a detection boss (65) for fixing the magnetic scale (11) for detecting the telescopic position.
4. A precisely regulated test reagent bottle label according to claim 3, wherein, The two ends of the telescopic slider (61) are provided with telescopic hard limit boss (66), and the telescopic hard limit boss (66) is provided with an inward telescopic hard limit lever (67).
5. A precisely regulated test reagent bottle label according to claim 4, wherein, The telescopic motor (9) and the lifting motor (10) are provided with a hard limit clutch.
6. A precisely regulated test reagent bottle label according to claim 5, wherein, The hard limit clutch structure at the telescopic motor (9) is: The two sides of the lifting support block (5) are provided with through holes corresponding to the positions of the telescopic hard limit lever (67), the telescopic hard limit lever (67) drives the separation driving rack (14) to move in translation through the through holes, the separation driving rack (14) is engaged with the separation transmission gear (16), the center of the separation transmission gear (16) is provided with a telescopic separation lead screw (15), the telescopic separation lead screw (15) is matched with a separation nut (17) to lift, the separation nut (17) drives the separation bracket (18) and the separation bracket (18) and the two sides of the separation lever (19) to move up and down, the lifting of the separation lever (19) makes the telescopic motor (9) combined with or separated from the telescopic drive gear (8), and the separation nut (17) is fixed with a separation nut support rod (25) on one side, and the separation nut support rod (25) is in sliding contact with a fixed sliding groove (26).
7. A precisely regulated test reagent bottle label according to claim 6, wherein, The shaft body of the telescopic drive gear (8) and the telescopic motor (9) adopts a detachable coupling (20) for transmission, the detachable coupling (20) is provided with a separation boss (21) driven to separate by a separation lever (19) at the upper and lower positions, the rear end of the detachable coupling (20) is provided with a spring (23), the other end of the spring (23) is fixed by a spring base (22) on the shaft body, the detachable coupling (20) and the shaft body are transmitted by a sliding key (24), and the end of the shaft body is limited to the detachable coupling (20).
8. A precisely regulated test reagent bottle label according to claim 5, wherein, The hard limiting clutch structure at the lifting motor (10) side is: The upper and lower ends of the lifting support block (5) are each provided with a lifting hard limiting lever (13) at the lead screw (4), the upper end fixed block (1) and the lower end fixed block (2) are provided with through holes corresponding to the positions of the lifting hard limiting lever (13), and the lead screw (4) and the shaft body of the lifting motor (10) adopt a detachable coupling (20) for transmission.
9. A precisely regulated test reagent bottle label according to claim 8, wherein, The detachable coupling (20) at the lifting motor (10) side is provided with a separation boss (21), the separation boss (21) is driven to separate by the lifting hard limiting lever (13) at the upper end, the rear end of the detachable coupling (20) is provided with a spring (23), the other end of the spring (23) is fixed by a spring base (22) on the shaft body, the detachable coupling (20) and the shaft body are transmitted by a sliding key (24), and the end of the shaft body of the lifting motor (10) is limited to the detachable coupling (20); The rear end of the detachable coupling (20) at the lead screw (4) side is provided with a spring (23), the other end of the spring (23) is fixed by a spring base (22) on the shaft body, the detachable coupling (20) and the shaft body of the lead screw (4) are transmitted by a sliding key (24), the lead screw (4) is hollow, the lead screw (4) is rotationally fixed at the bottom, the lifting limiting connecting rod (28) penetrates the lead screw (4), the lifting limiting connecting rod (28) is provided with a limiting plate (27) at the top to limit the detachable coupling (20), the lifting limiting connecting rod (28) is provided with a lifting limiting lever (29) at the bottom, the lifting limiting lever (29) is limited by a reset fixed block (30) at the upper position, and the lifting hard limiting lever (13) at the lower side can drive the lifting limiting lever (29) to move downward.
Citation Information
Patent Citations
Detection reagent bottle labeling head capable of being automatically adjusted
CN219115944U