CN106829824B - Following servo-driven cap screwing machine - Google Patents

Abstract

The following type servo drive cap screwing machine comprises a frame, a bottle feeding device, a horizontal driving unit, an upper driving unit, a lower driving unit and a cap screwing unit, wherein the bottle feeding device, the horizontal driving unit, the upper driving unit, the lower driving unit and the cap screwing unit are fixedly arranged on the frame, the upper driving unit and the lower driving unit synchronously move with the bottle feeding device through a horizontal driving ball screw of the horizontal driving unit, and the cap screwing unit is fixedly connected with the upper driving unit and the lower driving unit, so that the cap screwing unit can horizontally move along with the upper driving ball screw and the lower driving ball screw of the upper driving unit, and the pneumatic cap screwing head of the cap screwing unit can synchronously move along with the bottle body on the bottle feeding device and screw the bottle body in the moving process. The following cap screwing machine does not need to stop bottle and screw caps, eliminates cap screwing time difference, greatly improves cap screwing efficiency, and enables the pneumatic cap screwing head to clamp bottle caps in various shapes, so that the following cap screwing machine is suitable for large-batch products and also suitable for multiple varieties of small-batch products.

Description

Following servo-driven cap screwing machine

Technical Field

The invention belongs to the technical field of packaging machinery, and particularly relates to a follow-up servo-driven cap screwing machine.

Background

At present, in the industries of daily chemicals, foods, medicines and the like, in order to meet the aesthetic diversification of people, the setting positions of a packaging bottle body and a bottle cap are different from those of the traditional packaging, and various bottled living goods are often used in daily life by people, and the bottle body and the bottle cap are different from each other. Such as kitchen cleaners, toiletries, shampoo bottles for shampoos, etc., and after such bottles are filled, a capping machine is required to automatically screw the cap down. There are two general types of existing cap screwing machines in China: the vertical cap rubbing machine and the rotary cap screwing machine driven by the middle rotary table have the advantages that the vertical cap rubbing machine has higher efficiency, but has poor relative stability and reliability, and the bottle body is often overturned in the cap screwing process; the existing many bottled supplies can use pump cover and non-round bottle lid, this kind of opposite sex lid can't use vertical type to rub the lid machine to carry out the cap screwing to vertical type rub the lid machine torsion size adjustment and realize through experience, can't quantify, cause the phenomenon that the cap screwing is too tight or too loose easily. The rotary disc type cap screwing machine is high in efficiency, can be applied to pump caps and non-circular bottle caps, but is only applicable to large-batch products with single variety, complicated in mold change and not applicable to small-batch products with multiple varieties. Moreover, when all existing cap screwing machines are used for screwing caps, the conveying belt stops conveying firstly, then the cap screwing heads are used for screwing caps, after the cap screwing ends, the conveying belt is used for continuing to convey, each bottle body needs a few seconds of cap screwing time, the larger the batch is, the longer the accumulated bottle stopping cap screwing time is, and the market is in urgent need of a high-efficiency cap screwing machine without bottle stopping and cap screwing.

Disclosure of Invention

The invention provides a follow-up servo-driven cap screwing machine which is applicable to various bottle caps with different polarities, and the cap screwing is not required to wait for bottle stopping, so that the cap screwing efficiency is high.

The technical scheme adopted by the invention is as follows:

follow-up servo drive cap screwing machine, characterized by: comprises a frame, a bottle feeding device, a horizontal driving unit, an upper and lower driving unit and a cap screwing unit, wherein the bottle feeding device, the horizontal driving unit, the upper and lower driving unit and the cap screwing unit are fixedly arranged on the frame, the horizontal driving unit comprises a supporting seat, a horizontal driving motor and a horizontal driving ball screw, two sliding guide rails are arranged on the upper end face of a top plate of the supporting seat, a sliding hole is arranged between the two sliding guide rails, the horizontal driving motor is fixedly arranged on the lower end face of the top plate of the supporting seat, the horizontal driving ball screw is horizontally arranged below the sliding hole, one end of the horizontal driving ball screw is connected with the horizontal driving motor, the other end of the horizontal driving ball screw is fixedly arranged on the lower end face of the top plate of the supporting seat, the horizontal driving ball screw is driven to rotate by the horizontal driving motor, the upper and lower driving unit comprises a fixed frame, the upper and lower driving motor, the upper and lower driving ball screws and guide columns, the fixed frame is composed of a top plate, a bottom plate and side plates, an upper driving motor and a lower driving motor are fixedly arranged on the top plate of the fixed frame, the upper ends of upper driving ball screws and lower driving motors are connected, a guide post is vertically fixed between the top plate and the bottom plate of the fixed frame, a guide rail groove corresponding to a sliding guide rail is arranged on the lower end surface of the bottom plate of the fixed frame, a screw rod connecting block is fixedly arranged at the position of the lower end surface of the bottom plate of the fixed frame corresponding to a sliding hole, a ball nut matched with the horizontal driving ball screw is arranged on the screw rod connecting block, the horizontal driving ball screw is screwed in the ball nut, the cap screwing unit comprises a bracket, a lifting plate, a cap screwing driving motor and a pneumatic cap screwing head, the bracket is fixedly connected with the lifting plate, the center of the lifting plate is provided with the ball nut matched with the upper driving ball screw and the lower driving ball screw, the position department that corresponds the guide post on the lifter plate opens has the direction through-hole, and the lifter plate passes through ball nut and connects soon on upper and lower drive ball screw, and the direction through-hole suit of lifter plate is on the guide post, and the side of the fixed frame of support homonymy does not have the curb plate, and the support can reciprocate along upper and lower drive ball screw, spiral cover driving motor fixed mounting on support roof up end, pneumatic spiral cover head fixed mounting on support roof lower terminal surface, and pneumatic spiral cover head open with press from both sides tightly by pneumatic means control, the rotation of pneumatic spiral cover head of spiral cover driving motor control.

When the bottle cap is screwed, the rotating speed of a horizontal driving motor of the horizontal driving unit is firstly regulated, the speed of the horizontal driving ball screw translation of the upper and lower driving units is synchronized with the speed of the bottle conveying device for conveying the bottle body, the cap screwing motor is started, the pneumatic cap screwing head grabs the bottle cap, the upper and lower driving ball screw is driven by the upper and lower driving motor to rotate so as to drive the cap screwing unit to move downwards, the bottle cap is placed on a bottle opening to be screwed, the horizontal driving motor drives the horizontal driving ball screw to rotate so as to drive the upper and lower driving unit to synchronously move with the bottle body, the pneumatic cap screwing head screws the cap to the bottle body to be screwed when the cap screwing is finished, and the upper and lower driving unit and the cap screwing unit are driven by the horizontal driving unit to reset, and the previous actions are repeated to screw the next bottle body. Two groups of horizontal driving units, an upper driving unit, a lower driving unit and a cap screwing unit are simultaneously arranged on one cap screwing machine, the two groups of horizontal driving units, the upper driving unit, the lower driving unit and the cap screwing unit work simultaneously, the distance between the two groups of bottle bodies just eliminates the time difference of following cap screwing, and each bottle body can be guaranteed to be screwed.

Because the horizontal driving unit is arranged below the upper and lower driving units, the upper and lower driving units synchronously move with the bottle feeding device through the horizontal driving ball screw of the horizontal driving unit, and the cap screwing unit is fixedly connected with the upper and lower driving units, the cap screwing unit can horizontally move along with the horizontal driving units through the upper and lower driving units, and the cap screwing unit can also vertically move along with the upper and lower driving ball screw of the upper and lower driving units, so that the pneumatic cap screwing head of the cap screwing unit can synchronously move along with the bottle body on the bottle feeding device, and cap screwing is carried out on the bottle body in the moving process. The pneumatic cap screwing head can grip bottle caps in various shapes, has no requirement on the shape of the bottle cap, is suitable for both pump caps and non-circular bottle caps, and is suitable for not only large-batch products, but also various small-batch products. Two sliding guide rails are arranged on the upper end face of the top plate of the supporting seat of the horizontal driving unit, guide rail grooves matched with the sliding guide rails are arranged on the lower end face of the bottom plate of the fixed frame of the upper driving unit and the lower driving unit, and the sliding guide rails and the guide rail grooves are arranged to facilitate sliding between the upper driving unit and the lower driving unit and the horizontal driving unit.

Drawings

FIG. 1 is a schematic diagram of the structure of the present invention;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a bottom view of FIG. 1;

FIG. 4 is a right side view of FIG. 1;

fig. 5 is a schematic diagram of the operation of the up-down driving unit;

fig. 6 is a schematic diagram of the operation of the horizontal drive unit;

in the figure: 1-a frame; 2-a bottle feeding device; 3-a horizontal driving unit; 4-up and down driving units; a 5-cap screwing unit; 31-a supporting seat; 32-a horizontal drive motor; 33-horizontally driving a ball screw; 34-a sliding rail; 35-a sliding hole; 41-fixing a frame; 42-up and down driving motor; 43-driving the ball screw up and down; 44-guide posts; 45-a guide rail groove; 46-a screw rod connecting block; 51-a bracket; 52-lifting plates; 53-a cap-screwing driving motor; 54-pneumatic capping head.

Description of the embodiments

The invention will be further described with reference to the accompanying drawings, without limiting the invention in any way, and any alterations or modifications based on the invention will fall within the scope of the invention.

The following servo-driven cap screwing machine comprises a frame 1, a bottle conveying device 2, a horizontal driving unit 3, an up-down driving unit 4 and a cap screwing unit 5, wherein the bottle conveying device 2, the horizontal driving unit 3, the up-down driving unit 4 and the cap screwing unit 5 are fixedly arranged on the frame 1, the horizontal driving unit 3 comprises a supporting seat 31, a horizontal driving motor 32 and a horizontal driving ball screw 33, two sliding guide rails 34 are arranged on the upper end surface of a top plate of the supporting seat 31, a sliding hole 35 is arranged between the two sliding guide rails 34, the horizontal driving motor 32 is fixedly arranged on the lower end surface of the top plate of the supporting seat 31, the horizontal driving ball screw 33 is horizontally arranged below the sliding hole 35, one end of the horizontal driving ball screw 33 is connected with the horizontal driving motor 32, the other end of the horizontal driving ball screw 33 is fixedly arranged on the lower end surface of the top plate of the supporting seat 31, the horizontal driving ball screw 33 is driven to rotate by the horizontal driving motor 32, the up-down driving unit 4 comprises a fixed frame 41, an up-down driving motor 42, an up-down driving ball screw 43 and a guide post 44, the fixed frame 41 is composed of a top plate, a bottom plate and side plates, the up-down driving motor 42 is fixedly arranged on the top plate of the fixed frame 41, the upper end of the up-down driving ball screw 43 is connected with the up-down driving motor 42, the guide post 44 is vertically fixed between the top plate and the bottom plate of the fixed frame 41, a guide rail groove 45 corresponding to the sliding guide rail 34 is arranged on the lower end surface of the bottom plate of the fixed frame 41, a screw connecting block 46 is fixedly arranged at the position of the lower end surface of the bottom plate of the fixed frame 41 corresponding to the sliding hole 35, a ball nut matched with the horizontal driving ball screw 33 is arranged on the screw connecting block 46, the horizontal driving ball screw 33 is screwed in the ball nut, the cap screwing unit 5 comprises a support 51, a lifting plate 52, a cap screwing driving motor 53 and a pneumatic cap screwing head 54, wherein the support 51 is fixedly connected with the lifting plate 52, a ball nut matched with the up-down driving ball screw 43 is arranged in the center of the lifting plate 52, a guide through hole is formed in the lifting plate 52 at a position corresponding to the guide post 44, the lifting plate 52 is screwed on the up-down driving ball screw 43 through the ball nut, the guide through hole of the lifting plate 52 is sleeved on the guide post 44, the side surface of a fixing frame 41 on the same side of the support 51 is free of side plates, the support 51 can move up and down along the up-down driving ball screw 43, the cap screwing driving motor 53 is fixedly arranged on the upper end surface of a top plate of the support 51, the pneumatic cap screwing head 54 is fixedly arranged on the lower end surface of the top plate of the support 51, the opening and clamping of the pneumatic cap screwing head 54 are controlled by a pneumatic device, and the cap screwing driving motor 53 controls the rotation of the pneumatic cap screwing head 54.

Claims (1)

1. Follow-up servo drive cap screwing machine, characterized by: the bottle conveying device comprises a frame (1), a bottle conveying device (2), a horizontal driving unit (3), an upper driving unit (4) and a lower driving unit (4) and a cap screwing unit (5), wherein the bottle conveying device (2), the horizontal driving unit (3), the upper driving unit (4) and the lower driving unit (5) are fixedly arranged on the frame (1), the horizontal driving unit (3) comprises a supporting seat (31), a horizontal driving motor (32) and a horizontal driving ball screw (33), two sliding guide rails (34) are arranged on the upper end face of a top plate of the supporting seat (31), a sliding hole (35) is arranged between the two sliding guide rails (34), the horizontal driving motor (32) is fixedly arranged on the lower end face of the top plate of the supporting seat (31), the horizontal driving ball screw (33) is horizontally arranged below the sliding hole (35), one end of the horizontal driving ball screw (33) is connected with the horizontal driving motor (32), the other end of the horizontal driving ball screw (33) is fixedly arranged on the lower end face of the top plate of the supporting seat (31), the horizontal driving ball screw (33) is driven to rotate by the horizontal driving motor (32), the upper driving unit (4) comprises a fixed frame (41), an upper driving roller (41) and a lower driving roller (44) are fixedly arranged on the lower end face of the top plate (41) The upper end and the lower end of the upper and the lower driving ball screw (43) are connected with the upper and the lower driving motor (42), the guide post (44) is vertically fixed between the upper plate and the lower plate of the fixed frame (41), a guide rail groove (45) corresponding to the sliding guide rail (34) is arranged on the lower end surface of the bottom plate of the fixed frame (41), a screw rod connecting block (46) is fixedly arranged at the position of the lower end surface of the bottom plate of the fixed frame (41) corresponding to the sliding hole (35), a ball nut matched with the horizontal driving ball screw (33) is arranged on the screw rod connecting block (46), the horizontal driving ball screw (33) is screwed in the ball nut, the spiral cover unit (5) comprises a bracket (51), a lifting plate (52), a spiral cover driving motor (53) and a spiral cover clamping head (54), the bracket (51) is fixedly connected with the lifting plate (52), the ball nut matched with the upper and the lower driving ball screw (43) is fixedly arranged at the center of the lifting plate (52), the guide post (52) is screwed on the lifting plate (52) at the position corresponding to the guide post (44), the side of the fixed frame (41) on the same side of the bracket (51) is provided with no side plate, the bracket (51) can move up and down along the up-down driving ball screw (43), the spiral cover driving motor (53) is fixedly arranged on the upper end face of the top plate of the bracket (51), the spiral cover clamping head (54) is fixedly arranged on the lower end face of the top plate of the bracket (51), the opening and clamping of the spiral cover clamping head (54) are controlled by a pneumatic device, and the spiral cover driving motor (53) controls the rotation of the spiral cover clamping head (54).

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