Single-head servo cap screwing machine

Abstract

The utility model relates to a single-head servo cap screwing machine. The single-head servo cap screwing machine comprises a cap conveying assembly, a cap screwing assembly and a bottle conveying assembly. The cap conveying assembly comprises a bottle cap conveying line; the bottle conveying assembly comprises a bottle body conveying line; the cap screwing assembly comprises a mounting plate, a bottle holding mechanism, a cap delivering mechanism and a cap screwing mechanism; the bottle holding mechanism comprises a wide finger cylinder and a holding arm; the cap passing mechanism is fixedly connected with the mounting plate, vertically slides relative to the cap screwing mechanism, and comprises a cap passing cylinder and a cap passing plate; a bottle cap groove is formed in the cap passing plate; the cap screwing mechanism comprises a servo motor, a multi-claw clamping cylinder and two lifting air cylinders. The servo motor is coaxially provided with a multi-claw clamping cylinder; the upper ends of the two lifting cylinders are connected with the servo motor, and the lower ends of the two lifting cylinders are connected with the mounting plate; a sliding block is mounted on the back of the servo motor; the mounting plate is provided with a vertical sliding rail corresponding to the sliding block; the sliding block is in vertical sliding fit with the sliding rail. According to the cap screwing mechanism, the multi-claw clamping cylinder is controlled to rapidly ascend and descend through the two lifting air cylinders, the lifting precision is guaranteed, and meanwhile the cap screwing efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of capping machines, in particular to a single-head servo capping machine. Background Art

[0002] The capping machine is a machine that can install the bottle cap on the bottle mouth. The utility model patent with the authorization announcement number CN220096728U provides a water bottle capping machine; the horizontal capping machine is provided with a vibration plate, a transmission line, a cap feeding mechanism, and a capping mechanism; the transmission line is used to transmit the bottle body; the vibration plate is used to orderly output the bottle caps to the cap feeding palm of the cap feeding mechanism; the cap feeding mechanism passes the bottle caps on the cap feeding palm to the bottom of the capping mechanism; the capping mechanism grabs the bottle caps through the four-claw clamp cylinder, and drives the four-claw clamp cylinder to rotate through the first servo motor to install the bottle cap on the bottle mouth; the capping mechanism also drives the screw lifting structure to drive the four-claw clamp cylinder to lift and lower through the second servo motor to cooperate with the grabbing action of the four-claw clamp cylinder and the action of pressing the bottle cap downward; in this technical solution, although the screw lifting structure can accurately control the lifting and lowering of the four-claw clamp cylinder, its lifting speed is too slow, which reduces the capping efficiency on the entire transmission line. Utility Model Content

[0003] The utility model aims to solve the above problems and provides a single-head servo capping machine.

[0004] The technical scheme of the utility model is: a single-head servo capping machine, comprising a cap feeding assembly, a capping assembly and a bottle feeding assembly; the cap feeding assembly comprises a bottle cap conveying line; the bottle feeding assembly comprises a bottle body conveying line; the bottle body conveying line is used for bottle body conveying; the bottle cap conveying line is arranged on one side above the bottle body conveying line, and the output end is adjacent to the bottle body conveying line; the bottle cap conveying line conveys the bottle cap in the direction of the bottle body conveying line; the capping assembly is arranged just above the bottle body conveying line, on one side of the bottle cap conveying line, and is used for capping the bottle cap on the bottle mouth of the bottle body; the capping assembly comprises a vertically arranged mounting plate and a bottle holding mechanism, a cap delivering mechanism and a capping mechanism which are arranged on the mounting plate from bottom to top The bottle holding mechanism includes a wide finger cylinder and an arm arranged horizontally above the bottle conveying line; one end of the arm is fixedly connected to the output end of the wide finger cylinder, and the other end is lower than the wide finger cylinder and arranged toward the output end of the bottle cap conveying line; the wide finger cylinder drives the arms to move closer to or away from each other to achieve the action of holding or loosening the bottle; the arm transfers the execution end of the bottle holding or loosening action downward to the output end of the bottle cap conveying line, thereby avoiding interference between the bottle body and the bottle cap after installation and the wide finger cylinder; the cap delivery mechanism is fixedly connected to the mounting plate and slides vertically relative to the cap screwing mechanism, including a cap delivery cylinder arranged toward the bottle holding mechanism and an output end of the cap delivery cylinder. The cap delivery plate is fixed; the cap delivery plate is provided with a bottle cap groove corresponding to the output end of the bottle cap conveyor line, which is used to receive the bottle caps from the output end of the bottle cap conveyor line; the cap delivery cylinder extends outward to transfer the cap delivery plate to the bottom of the cap screwing mechanism; the bottle cap groove is opposite to the output end of the cap screwing mechanism; the cap screwing mechanism includes a vertically arranged servo motor, a multi-claw clamping cylinder, and two vertically arranged lifting cylinders; the multi-claw clamping cylinder is used to clamp the upper part of the bottle cap; the bottle cap groove can expose the upper part of the bottle cap to facilitate the clamping of the multi-claw clamping cylinder; the output end of the servo motor is coaxially installed with a multi-claw clamping cylinder, which can drive the multi-claw clamping cylinder to rotate to realize the cap screwing action; the two lifting cylinders are connected end to end, and the upper ends are connected to the servo motor The two lifting cylinders cooperate with each other to produce two strokes of the screw-capping mechanism; when the two lifting cylinders are fully extended, the multi-claw clamp is at the highest position; when one of the two lifting cylinders is retracted, the multi-claw clamp descends to a certain height corresponding to the height of the cover delivery plate, and is used to grab the bottle caps delivered by the cover delivery plate; when the two lifting cylinders are fully retracted, the multi-claw clamp is at the lowest position, and the bottle caps are completely installed on the bottle body; a slider is installed on the back of the servo motor; a vertical slide rail is provided on the mounting plate corresponding to the slider; the slider and the slide rail cooperate in vertical sliding to provide guidance for the vertical lifting of the servo motor and ensure the lifting stability of the multi-claw clamp.

[0005] Preferably, the cap screwing assembly also includes an in-place photoelectric sensor; the in-place photoelectric sensor is arranged above the notch of the bottle cap groove; the in-place photoelectric sensor is fixedly connected to the cap delivery cylinder, arranged downward, and is used to detect whether there is a bottle cap groove in the bottle cap groove; the cap delivery assembly also includes a bottle cap photoelectric sensor arranged downward; the bottle cap photoelectric sensor is arranged above the input end of the bottle cap conveyor line, and is used to detect whether the bottle caps entering the bottle cap conveyor line are in a state where the cap mouth is facing downward, which is convenient for cap screwing.

[0006] Preferably, the single-head servo capping machine further comprises a platform and a vertically arranged height adjustment component; the height adjustment component comprises a height adjustment mechanism A, a height adjustment mechanism B, and a height adjustment mechanism C;

[0007] The height adjustment mechanism A includes an upper plate armor, a lower plate armor, a lead screw armor, a guide rod armor, a lead screw nut armor, and a hand wheel armor; the lower plate armor is fixedly connected to the platform surface, and is rotationally matched with the lower end of the lead screw armor, and is fixedly connected to the lower end of the guide rod armor; there are two guide rod armors, which are symmetrically arranged on both sides of the lead screw armor; the upper plate armor is fixedly connected to the upper end of the guide rod armor, and is rotationally matched with the upper end of the lead screw armor; the hand wheel armor is installed on the upper end of the lead screw armor; the lead screw nut armor is threadedly matched with the middle part of the lead screw armor, and the two ends are slidingly matched with the guide rod armor; the lead screw nut armor is connected to the bottle cap conveying line; the height adjustment mechanism A adjusts the bottle cap conveying line by threading the lead screw armor and the lead screw nut armor, and vertically slidingly matching the guide rod armor and the lead screw nut armor, so that the height of the bottle cap conveying line corresponds to the height of the bottle body conveying line;

[0008] The height adjustment mechanism B includes an upper plate B, a lower plate B, a lead screw B, a guide rod B, a lead screw nut B, and a hand wheel B; the lower plate B is rotatably matched with the lower end of the lead screw B, and is fixedly connected to the lower end of the guide rod B; there are two guide rods B, which are symmetrically arranged on both sides of the lead screw B; the upper plate B is fixedly connected to the upper end of the guide rod B, and is rotatably matched with the upper end of the lead screw B; the hand wheel B is installed on the upper end of the lead screw B; the lead screw nut B is threadedly matched with the middle part of the lead screw B, and both ends are slidingly matched with the guide rod B; the lead screw nut B is fixedly connected to the platform; the mounting plate is fixedly connected to the upper plate B and the lower plate B; the height adjustment mechanism B adjusts the cap delivery mechanism by threading the lead screw B and the lead screw nut B, and vertically slidingly matching the guide rod B and the lead screw nut B, so that the height of the cap delivery plate corresponds to the height of the bottle cap conveying line;

[0009] The height-adjusting mechanism C comprises an upper plate C, a lower plate C, a lead screw C, a guide rod C, a lead screw nut C and a handwheel C; the lower plate C is rotationally matched with the lower end of the lead screw C and is fixedly connected to the lower end of the guide rod C; there are two guide rods C, which are symmetrically arranged on both sides of the lead screw C; the upper plate C is fixedly connected to the upper end of the guide rod C and is rotationally matched with the upper end of the lead screw C; the handwheel C is installed on the upper end of the lead screw C; the lead screw nut C is threadedly matched with the middle part of the lead screw C, and both ends are slidingly matched with the guide rod C; the lead screw nut C is fixedly connected to the platform; the lower plate C is fixedly connected to the wide finger cylinder; the height-adjusting mechanism C adjusts the bottle holding mechanism by threading the lead screw C and the lead screw nut C, and vertically slidingly matching the guide rod C and the lead screw nut C, so that the height of the bottle holding mechanism corresponds to the height of the bottle conveying line.

[0010] Preferably, the rotary cover assembly also includes a guide rod vertically installed on the side of the mounting plate and a guide block vertically slidingly matched with the guide rod; the guide block is fixedly connected to the servo motor and corresponds to the setting position of the lifting cylinder; the vertical sliding cooperation between the guide block and the guide rod can provide guidance for the vertical extension and retraction of the lifting cylinder.

[0011] Preferably, the cap feeding assembly further comprises a railing arranged across the input end of the bottle cap conveying line to prevent the bottle caps from being discharged from the input end of the bottle cap conveying line.

[0012] Preferably, the bottle cap conveyor line includes a conveyor belt, a conveyor motor, and a reduction box; the conveyor motor is installed on the side of the conveyor belt through the reduction box; the conveyor motor outputs torque to drive the conveyor belt to rotate; the reduction box can make the conveyor belt move at an appropriate speed.

[0013] Preferably, the bottle delivery assembly also includes a blocking mechanism; the blocking mechanism includes a blocking cylinder arranged perpendicular to the bottle conveying line, and a blocking rod fixedly connected to the telescopic end of the blocking cylinder; the blocking rod is arranged perpendicular to the bottle conveying line, corresponding to the setting position of the multi-claw clamping cylinder; the blocking mechanism blocks the bottles on the bottle conveying line, thereby ensuring that the bottle holding mechanism can accurately hold the bottles.

[0014] The beneficial effects of the utility model are: the single-head servo capping machine of the utility model has the following advantages:

[0015] (1) The capping mechanism of the utility model controls the rapid lifting and lowering of the multi-claw clamping cylinder by two lifting cylinders connected end to end, thereby ensuring the lifting accuracy of the multi-claw clamping cylinder and improving the capping efficiency;

[0016] (2) The height adjustment component of the utility model improves the adaptability of the single-head servo capping machine; the height adjustment mechanism A makes the height of the bottle cap conveying line correspond to the height of the bottle body conveying line; the height adjustment mechanism B makes the height of the cap delivery plate correspond to the height of the bottle cap conveying line; the height adjustment mechanism C makes the height of the bottle holding mechanism correspond to the height of the bottle body conveying line. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 It is a three-dimensional diagram of the utility model single-head servo capping machine;

[0018] Figure 2 It is a three-dimensional image of the cover feeding assembly. Figure 1 ;

[0019] Figure 3 It is a three-dimensional image of the cover feeding assembly. Figure 2 ;

[0020] Figure 4 It is a three-dimensional screw cap assembly. Figure 1 ;

[0021] Figure 5 It is a three-dimensional screw cap assembly. Figure 2 ;

[0022] Figure 6 yes Figure 4 The main view;

[0023] Figure 7 yes Figure 6 AA section view;

[0024] Figure 8 yes Figure 7 I magnified view of;

[0025] Fig. 9 yes Figure 7 BB cross-sectional view;

[0026] Fig.10 is a stereogram of the bottle feeding assembly;

[0027] Fig.11 yes Fig.10 A vertical cross-sectional view of

[0028] In the figure: 1. Cap delivery assembly, 11. Bottle conveyor line, 111. Conveyor belt, 112. Conveyor motor, 113. Reducer, 12. Bottle cap photoelectric sensor, 13. Railing, 141. Horizontal plate, 1411. Adjustment slot, 142. T-clip, 143. Vertical rod, 144. Limiting angle iron, 1441. Vertical screw, 145. Mounting nut, 2. Cap screw assembly, 21. Mounting plate, 211. Slide rail, 221. Broad finger cylinder, 222. Arm, 223. Rubber pad, 231. Cap delivery cylinder, 232. Cap delivery plate, 2321. Bottle cap slot, 241. Servo motor, 2411. Slider, 242. Multi-claw clamp cylinder, 243. Lifting cylinder , 244. Fixed sleeve, 245. Pin, 246. Position photoelectric sensor, 25. Guide rod, 26. Guide block, 3. Bottle feeding assembly, 31. Bottle conveyor line, 311. Blocking cylinder, 312. Blocking rod, 4. Platform, 511. Upper plate A, 512. Lower plate A, 513. Screw A, 514. Guide rod A, 515. Screw nut A, 516. Handwheel A, 521. Upper plate B, 522. Lower plate B, 523. Screw B, 524. Guide rod B, 525. Screw nut B, 526. Handwheel B, 531. Upper plate C, 532. Lower plate C, 533. Screw C, 534. Guide rod C, 535. Screw nut C, 536. Handwheel C. Implementation

[0029] Example 1: See Figure 1-11A single-head servo capping machine comprises a cap feeding assembly 1, a capping assembly 2 and a bottle feeding assembly 3; the cap feeding assembly 1 comprises a bottle cap conveying line 11; the bottle feeding assembly 3 comprises a bottle body conveying line 31; the bottle body conveying line 31 is used for bottle body conveying; the bottle cap conveying line 11 is arranged on one side above the bottle body conveying line 31, and the output end is adjacent to the bottle body conveying line 31; the bottle cap conveying line 11 conveys the bottle caps in the direction of the bottle body conveying line 31; the capping assembly 2 is arranged just above the bottle body conveying line 31, on one side of the bottle cap conveying line 11, and is used to screw the bottle caps on the bottle mouth of the bottle body; the capping assembly 2 comprises a vertically arranged mounting plate 21 and a bottle holding mechanism, a cap delivering mechanism and a capping mechanism installed on the mounting plate 21 from bottom to top; the bottle holding mechanism comprises a wide-shaped Finger cylinder 221, holding arm 222; one end of the holding arm 222 is fixedly connected to the output end of the wide finger cylinder 221, and the other end is lower than the wide finger cylinder 221 and is arranged toward the output end of the bottle cap conveying line 11; the wide finger cylinder 221 drives the holding arm 222 to move closer to or away from each other to achieve the action of holding or loosening the bottle; the holding arm 222 transfers the execution end of the bottle holding or loosening action downward to the output end of the bottle cap conveying line 11, so as to avoid interference between the bottle body and the bottle cap after installation and the wide finger cylinder 221; the cap delivery mechanism is fixedly connected to the mounting plate 21, and slides vertically relative to the cap screwing mechanism, including a cap delivery cylinder 231 arranged toward the bottle holding mechanism, and a cap delivery plate 232 fixedly connected to the output end of the cap delivery cylinder 231; the cap delivery plate 232 is provided with a notch and is connected to the bottle cap conveying line 1 1, is used to receive the bottle caps from the output end of the bottle cap conveying line 11; the cap delivery cylinder 231 extends outward to transfer the cap delivery plate 232 to the bottom of the cap screwing mechanism; the bottle cap groove 2321 is opposite to the output end of the cap screwing mechanism; the cap screwing mechanism includes a vertically arranged servo motor 241, a multi-claw clamping cylinder 242, and two vertically arranged lifting cylinders 243; the multi-claw clamping cylinder 242 is used to clamp the upper part of the bottle cap; the bottle cap groove 2321 can expose the upper part of the bottle cap to facilitate the clamping of the multi-claw clamping cylinder 242; the multi-claw clamping cylinder 242 is an existing mature technology, such as the four-claw clamping cylinder in the utility model patent with the authorization announcement number CN220096728U is a multi-claw clamping cylinder 242; the number of claws of the four-claw clamping cylinder in this embodiment is 3; the servo motor 24 The output end of 1 is coaxially mounted with a multi-claw clamping cylinder 242, which can drive the multi-claw clamping cylinder 242 to rotate and realize the capping action; the two lifting cylinders 243 are connected end to end, the upper end is connected to the servo motor 241, and the lower end is connected to the mounting plate 21; the two lifting cylinders 243 cooperate with each other to produce two strokes of the capping mechanism; when the two lifting cylinders 243 are fully extended, the multi-claw clamping cylinder 242 is at the highest point; when one of the two lifting cylinders 243 is retracted, the multi-claw clamping cylinder 242 drops to a certain height corresponding to the height of the cover delivery plate 232, and is used to grab the bottle caps delivered by the cover delivery plate 232; when the two lifting cylinders 243 are fully retracted, the multi-claw clamping cylinder 242 is at the lowest point, and the bottle caps are completely installed on the bottle body; a slider 2411 is installed on the back of the servo motor 241;The mounting plate 21 is provided with a vertical slide rail 211 corresponding to the slider 2411; the slider 2411 and the slide rail 211 are vertically slidably matched to provide guidance for the vertical lifting of the servo motor 241 and ensure the lifting stability of the multi-claw clamping cylinder 242. ;

[0030] Compared with the prior art, the capping mechanism of the present invention controls the rapid lifting and lowering of the multi-claw clamping cylinder 242 through two lifting cylinders 243 connected end to end, thereby ensuring the lifting accuracy of the multi-claw clamping cylinder 242 and improving the capping efficiency.

[0031] The inner wall of the execution end of the holding arm 222 is provided with a rubber pad 223, which can increase the holding effect of the bottle holding mechanism.

[0032] The screw capping mechanism also includes a fixed sleeve 244 and a pin 245; the fixed end of the lower lifting cylinder 243 is connected to the mounting plate 21, and the telescopic end is threadedly connected to the fixed sleeve 244; the fixed end of the upper lifting cylinder 243 is coaxially inserted into the fixed sleeve 244 and radially locked by the pin 245; the telescopic end of the upper lifting cylinder 243 is fixedly connected to the servo motor 241; the fixed sleeve 244 and the pin 245 can ensure that both lifting cylinders 243 are in a vertical state, ensuring that the lifting cylinders 243 work stably.

[0033] The cap screwing assembly 2 also includes an in-position photoelectric sensor 246; the in-position photoelectric sensor 246 is arranged above the notch of the bottle cap groove 2321; the in-position photoelectric sensor 246 is fixedly connected to the cap delivery cylinder 231, arranged downward, and is used to detect whether there is a bottle cap groove 2321 in the bottle cap groove 2321; the cap delivery assembly 1 also includes a bottle cap photoelectric sensor 12 arranged downward; the bottle cap photoelectric sensor 12 is arranged above the input end of the bottle cap conveyor line 11, and is used to detect whether the bottle cap entering the bottle cap conveyor line 11 is in a state where the cap mouth is facing downward, which is convenient for screwing the cap.

[0034] The single-head servo capping machine also includes a platform 4 and a vertically arranged height adjustment component; the height adjustment component includes a height adjustment mechanism A, a height adjustment mechanism B, and a height adjustment mechanism C;

[0035] The height adjustment mechanism A includes an upper plate armor 511, a lower plate armor 512, a screw armor 513, a guide rod armor 514, a screw nut armor 515, and a handwheel armor 516; the lower plate armor 512 is fixedly connected to the surface of the platform 4, and is rotatably matched with the lower end of the screw armor 513, and is fixedly connected to the lower end of the guide rod armor 514; there are two guide rod armors 514, which are symmetrically arranged on both sides of the screw armor 513; the upper plate armor 511 is fixedly connected to the upper end of the guide rod armor 514, and is rotatably matched with the upper end of the screw armor 513; the upper end of the screw armor 513 Install the hand wheel A 516; the lead screw nut A 515 is threadedly matched with the middle part of the lead screw A 513, and the two ends are slidably matched with the guide rod A 514; the lead screw nut A 515 is connected to the bottle cap conveying line 11; the height adjustment mechanism A adjusts the bottle cap conveying line 11 by threading the lead screw A 513 and the lead screw nut A 515, and vertically slidingly matching the guide rod A 514 and the lead screw nut A 515, so that the height of the bottle cap conveying line 11 corresponds to the height of the bottle body conveying line 31;

[0036] The height adjustment mechanism B includes an upper plate B 521, a lower plate B 522, a lead screw B 523, a guide rod B 524, a lead screw nut B 525, and a hand wheel B 526; the lower plate B 522 is rotatably matched with the lower end of the lead screw B 523, and is fixedly connected to the lower end of the guide rod B 524; there are two guide rods B 524, which are symmetrically arranged on both sides of the lead screw B 523; the upper plate B 521 is fixedly connected to the upper end of the guide rod B 524, and is rotatably matched with the upper end of the lead screw B 523; a hand wheel B 526 is installed on the upper end of the lead screw B 523; the lead screw nut The female B 525 is threadedly matched with the middle part of the lead screw B 523, and the two ends are slidably matched with the guide rod B 524; the lead screw nut B 525 is fixedly connected to the platform 4; the mounting plate 21 is fixedly connected to the upper plate B 521 and the lower plate B 522; the height adjustment mechanism B is adjusted to lift the cap delivery mechanism through the threaded match of the lead screw B 523 and the lead screw nut B 525, and the vertical sliding match of the guide rod B 524 and the lead screw nut B 525, so that the height of the cap delivery plate 232 corresponds to the height of the bottle cap conveying line 11;

[0037] The height adjustment mechanism C includes an upper plate C 531, a lower plate C 532, a lead screw C 533, a guide rod C 534, a lead screw nut C 535, and a hand wheel C 536; the lower plate C 532 is rotatably matched with the lower end of the lead screw C 533, and is fixedly connected to the lower end of the guide rod C 534; there are two guide rods C 534, which are symmetrically arranged on both sides of the lead screw C 533; the upper plate C 531 is fixedly connected to the upper end of the guide rod C 534, and is rotatably matched with the upper end of the lead screw C 533; a hand wheel C 536 is installed on the upper end of the lead screw C 533; The screw nut C 535 is threadedly matched with the middle part of the screw C 533, and the two ends are slidingly matched with the guide rod C 534; the screw nut C 535 is fixedly connected to the platform 4; the lower plate C 532 is fixedly connected to the wide finger cylinder 221; the height adjustment mechanism C adjusts the bottle holding mechanism by the threaded match of the screw C 533 and the screw nut C 535, and the vertical sliding match of the guide rod C 534 and the screw nut C 535, so that the height of the bottle holding mechanism corresponds to the height of the bottle conveying line 31.

[0038] The screw cap assembly 2 also includes a guide rod 25 vertically mounted on the side of the mounting plate 21, and a guide block 26 vertically slidingly matched with the guide rod 25; the guide block 26 is fixedly connected to the servo motor 241 and corresponds to the setting position of the lifting cylinder 243; the vertical sliding cooperation between the guide block 26 and the guide rod 25 can provide guidance for the vertical extension and retraction of the lifting cylinder 243.

[0039] The cap feeding assembly 1 further comprises a railing 13 arranged across the input end of the bottle cap conveying line 11 , which can prevent the bottle caps from being discharged from the input end of the bottle cap conveying line 11 .

[0040] The bottle cap conveyor line 11 includes a conveyor belt 111, a conveyor motor 112, and a reduction box 113; the conveyor motor 112 is installed on the side of the conveyor belt 111 through the reduction box 113; the conveyor motor 112 outputs torque to drive the conveyor belt 111 to rotate; the reduction box 113 can make the conveyor belt 111 move at an appropriate speed.

[0041] The bottle conveying assembly 3 also includes a blocking mechanism; the blocking mechanism includes a blocking cylinder 311 arranged perpendicular to the bottle conveying line 31, and a blocking rod 312 fixedly connected to the telescopic end of the blocking cylinder 311; the blocking rod 312 is arranged perpendicular to the bottle conveying line 31, corresponding to the setting position of the multi-claw clamping cylinder 242; the blocking mechanism blocks the bottles on the bottle conveying line 31, which can ensure that the bottle holding mechanism can accurately hold the bottles.

[0042] The output end of the blocking cylinder 311 faces outwards, and the blocking rod 312 is L-shaped. The blocking cylinder 311 is installed close to the bottle conveying line 31, which can increase the movement stability of the blocking rod 312.

[0043] The working process of this embodiment includes the following steps:

[0044] ① Bottle cap conveyor line 11 conveys bottle caps, bottle body conveyor line 31 conveys bottle bodies

[0045] The bottle caps travel into the bottle cap groove 2321 at a fixed speed through the bottle cap conveyor line 11; the bottle caps slide into the bottle cap groove 2321 due to inertia; the bottle cap groove 2321 can prevent the bottle caps from flying out;

[0046] The bottle body moves at a fixed speed through the bottle body conveying line 31; the blocking cylinder 311 retracts, and the blocking rod 312 is horizontally blocked on the bottle body conveying line 31 to block the bottle body; the wide finger cylinder 221 moves, and the bottle body is tightly held by the holding arm 222;

[0047] ②The cap delivery mechanism delivers the bottle cap, and the multi-claw clamp cylinder 242 grabs the bottle cap

[0048] The cap delivery cylinder 231 extends outward to transfer the bottle cap to the bottom of the multi-claw clamping cylinder 242; one of the two lifting cylinders 243 retracts vertically to make the multi-claw clamping cylinder 242 drop to a suitable height above the bottle cap; the multi-claw clamping cylinders 242 close together to grab the bottle cap;

[0049] ③ The multi-claw clamp cylinder 242 rises and the transfer cover plate 232 is retracted

[0050] The lifting cylinder 243 that vertically retracted in step ② extends outward, bringing the multi-claw clamping cylinder 242 up; the cap delivery cylinder 231 retracts and returns to the output end of the bottle cap conveying line 11 to wait for new bottle caps.

[0051] ④ The multi-claw clamping cylinder 242 falls, and the servo motor 241 drives the multi-claw clamping cylinder 242 to rotate and screw the cap.

[0052] The two lifting cylinders 243 are both retracted; the servo motor 241 is started; the multi-claw clamping cylinder 242 rotates to output torque to the bottle cap; the bottle cap grabbed by the multi-claw clamping cylinder 242 is installed at the bottle mouth of the bottle body;

[0053] ⑤Multi-claw clamp cylinder 242 lift

[0054] After the multi-claw clamping cylinder 242 releases the clamping state of the bottle cap, the two lifting cylinders 243 are extended outward; the multi-claw clamping cylinder 242 returns to the initial position; the wide finger cylinder 221 moves in the opposite direction, and the arm 222 releases the bottle body; the blocking cylinder 311 extends outward, and the blocking rod 312 leaves the bottle conveying line 31, releasing the blocking of the bottle body.

[0055] Embodiment 2: Embodiment 2 is basically the same as Embodiment 1, and the similarities are not repeated here. The difference is that: the cap delivery assembly 1 also includes a limiting mechanism; the limiting mechanism includes a horizontal plate 141, a T-clip 142, a vertical rod 143, and a limiting angle iron 144; the T-clip 142 is installed on the side of the bottle cap conveying line 11, clamping the vertical rod 143; the upper end of the vertical rod 143 is connected to the horizontal plate 141; the limiting angle iron 144 is connected to the bottom of the horizontal plate 141. The limiting angle iron 144 can horizontally limit the upper part of the bottle cap, so that the bottle caps on the bottle cap conveying line 11 can be smoothly conveyed; the T-clip 142 cooperates with the vertical rod 143, and the height of the limiting angle iron 144 can be adjusted to adapt to the thickness of the bottle cap.

[0056] The horizontal plate 141 is provided with a horizontal adjustment long hole 1411; a vertical screw rod 1441 is provided at the top of the limiting angle iron 144; the vertical screw rod 1441 passes through the adjustment long hole 1411 and is threadedly matched with a mounting nut 145; the adjustment long hole 1411 cooperates with the vertical screw rod 1441 to adapt to different upper diameters of bottle caps.

[0057] The top of the limiting angle iron 144 corresponding to the input end of the bottle cap conveying line 11 is lifted up to facilitate the input of the bottle caps.

[0058] There are two blocking components, which are symmetrically arranged on both sides of the multi-claw clamping cylinder 242; the spacing between the blocking components is equivalent to the diameter of the bottle body; the two blocking components, one for blocking the bottle body being installed, and the other for blocking the remaining uninstalled bottles, can ensure that the multi-claw clamping cylinder 242 can stably install the bottle cap on the bottle mouth of the bottle body.

Claims

1. A single-head servo capping machine, comprising a cap feeding assembly, a capping assembly, and a bottle feeding assembly; the cap feeding assembly comprises a bottle cap conveying line; the bottle feeding assembly comprises a bottle body conveying line; the bottle cap conveying line is arranged on one side above the bottle body conveying line, and the output end is adjacent to the bottle body conveying line; the capping assembly is arranged directly above the bottle body conveying line, on one side of the bottle cap conveying line; characterized in that, The capping assembly comprises a vertically arranged mounting plate and a bottle holding mechanism, a cap delivering mechanism and a capping mechanism which are installed on the mounting plate from bottom to top; the bottle holding mechanism comprises a wide finger cylinder and an arm which are arranged horizontally above the bottle conveying line; one end of the arm is fixedly connected to the output end of the wide finger cylinder, and the other end is lower than the wide finger cylinder and is arranged toward the output end of the bottle cap conveying line; the cap delivering mechanism is fixedly connected to the mounting plate and slides vertically relative to the capping mechanism, comprising a cap delivering cylinder which is arranged toward the bottle holding mechanism and a cap delivering plate which is fixedly connected to the output end of the cap delivering cylinder; the cap delivering plate is provided with a bottle cap groove which has a notch corresponding to the output end of the bottle cap conveying line; the capping mechanism comprises a vertically arranged servo motor, a multi-claw clamping cylinder and two vertically arranged lifting cylinders; the multi-claw clamping cylinder is coaxially installed at the output end of the servo motor; the two lifting cylinders are connected end to end, the upper end is connected to the servo motor, and the lower end is connected to the mounting plate; a slider is installed on the back of the servo motor; the mounting plate is provided with a vertical slide rail corresponding to the slider; the slider and the slide rail are vertically slidably matched.

2. The single-head servo capping machine according to claim 1, characterized in that: The cap screwing assembly also includes an in-place photoelectric sensor; the in-place photoelectric sensor is arranged above the notch of the bottle cap groove; the in-place photoelectric sensor is fixedly connected to the cap delivery cylinder and is arranged downward; the cap delivery assembly also includes a bottle cap photoelectric sensor arranged downward; the bottle cap photoelectric sensor is arranged above the input end of the bottle cap conveying line.

3. The single-head servo capping machine according to claim 1, characterized in that: It also includes a platform and a vertically arranged height adjustment component; the height adjustment component includes a height adjustment mechanism A, a height adjustment mechanism B, and a height adjustment mechanism C; The height adjustment mechanism A includes an upper plate A, a lower plate A, a lead screw A, a guide rod A, a lead screw nut A, and a hand wheel A; the lower plate A is fixedly connected to the platform surface, rotates with the lower end of the lead screw A, and is fixedly connected to the lower end of the guide rod A; there are two guide rods A, which are symmetrically arranged on both sides of the lead screw A; the upper plate A is fixedly connected to the upper end of the guide rod A, and rotates with the upper end of the lead screw A; the hand wheel A is installed on the upper end of the lead screw A; the lead screw nut A is threaded with the middle part of the lead screw A, and the two ends are slidably matched with the guide rod A; the lead screw nut A is connected to the bottle cap conveyor line; The height adjustment mechanism B includes an upper plate B, a lower plate B, a lead screw B, a guide rod B, a lead screw nut B, and a hand wheel B; the lower plate B is rotatably matched with the lower end of the lead screw B and is fixedly connected to the lower end of the guide rod B; there are two guide rods B, which are symmetrically arranged on both sides of the lead screw B; the upper plate B is fixedly connected to the upper end of the guide rod B and is rotatably matched with the upper end of the lead screw B; the hand wheel B is installed on the upper end of the lead screw B; the lead screw nut B is threadedly matched with the middle part of the lead screw B, and both ends are slidably matched with the guide rod B; the lead screw nut B is fixedly connected to the platform; the mounting plate is fixedly connected to the upper plate B and the lower plate B; The height adjustment mechanism C includes an upper plate C, a lower plate C, a screw C, a guide rod C, a screw nut C, and a handwheel C; the lower plate C is rotatably matched with the lower end of the screw C, and is fixedly connected to the lower end of the guide rod C; there are two guide rods C, which are symmetrically arranged on both sides of the screw C; the upper plate C is fixedly connected to the upper end of the guide rod C, and is rotatably matched with the upper end of the screw C; the handwheel C is installed on the upper end of the screw C; the screw nut C is matched with the middle thread of the screw C, and both ends are slidably matched with the guide rod C; the screw nut C is fixedly connected to the platform; the lower plate C is fixedly connected to the wide finger cylinder.

4. The single-head servo capping machine according to claim 1, characterized in that: The rotary cover assembly also includes a guide rod vertically installed on the side of the mounting plate, and a guide block vertically slidingly matched with the guide rod; the guide block is fixedly connected to the servo motor and corresponds to the setting position of the lifting cylinder.

5. The single-head servo capping machine according to claim 1, characterized in that: The cap delivery assembly also includes a railing arranged across the input end of the bottle cap conveying line.

6. The single-head servo capping machine according to claim 1, characterized in that: The bottle delivery assembly also includes a blocking mechanism; the blocking mechanism includes a blocking cylinder arranged perpendicular to the bottle conveying line, and a blocking rod fixedly connected to the telescopic end of the blocking cylinder; The blocking rod is vertically arranged to the bottle conveying line and corresponds to the setting position of the multi-claw clamping cylinder.

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