WO2022047661A1

WO2022047661A1 - Automatic pen replacement device for pattern making

Info

Publication number: WO2022047661A1
Application number: PCT/CN2020/113008
Authority: WO
Inventors: 朱明德
Original assignee: 太仓市世纪港制衣有限公司
Priority date: 2020-09-01
Filing date: 2020-09-02
Publication date: 2022-03-10
Also published as: CN112089143A; CN112089143B

Abstract

Disclosed is an automatic pen replacement device for pattern making, comprising a fixed sleeve (1), an actuator (2), a driving rod (3), a pressing mechanism (4), and a cover plate (5). The fixed sleeve is connected to a mechanical arm; the fixed sleeve is axially provided with a through mounting cavity used for mounting drawing pens; an opening is formed in the side wall of the fixed sleeve, and the fixed sleeve is provided with a pen storage box (6) extending towards one side; pen storage chambers are arranged in the pen storage box; the cover plate (5) is covered on the pen storage box; a pressing mechanism is provided at one end of the pen storage chambers and pushes the drawing pens to the mounting cavity; a pen sleeve (7) for clamping the drawing pens is provided at the lower end of the fixed sleeve, and the actuator is provided at the upper end of the fixed sleeve; the driving rod is driven by the actuator to drive the drawing pens to move downwards along the mounting cavity. According to the device, by means of cooperation of the pen storage box and the fixed sleeve, storage and automatic replacement of the drawing pens are realized, and the pen replacement time is saved. The pen sleeve is provided with a C-shaped elastic part, thereby avoiding hard contact between the drawing pens and a tabletop during drawing.

Description

An automatic pen changing device for garment plate making

technical field

The invention relates to the field of clothing, in particular to an automatic pen changing device for clothing plate making.

Background technique

With the continuous progress of society and the increasing degree of automation, existing clothing designers usually draw setting diagrams through computers. Compared with drawing designs on paper, they can be quickly modified by computer drawing, and then the design drawings can be quickly modified by mechanical hands. It is drawn on the fabric, and then the clothes are produced by cutting by workers. However, the drawing pen cannot continue to draw after drawing a certain distance. Therefore, the drawing pen needs to be replaced, and the existing methods are all manual replacement methods, so that the drawing pen needs to be calibrated every time, otherwise the mechanical arm cannot be very Good drawing, this will greatly increase the time for changing the pen.

SUMMARY OF THE INVENTION

Aiming at the defects of the above prior art, the main purpose of the present invention is to overcome the deficiencies of the prior art, and discloses an automatic pen changing device for garment plate making, including a fixing sleeve, an actuator, a driving rod, and a pressing mechanism and the cover plate, the fixing sleeve is connected with the manipulator, the fixing sleeve is axially provided with an installation cavity for installing the drawing pen and is matched with the drawing pen, and an opening is arranged on the side wall of the fixing sleeve, and is facing the drawing pen. A pen storage box is extended on one side, a horizontally arranged pen storage cavity is arranged in the pen storage box, the cover plate is covered above the pen storage box, and the pressing mechanism is arranged at one end of the pen storage cavity , push the drawing pen to the installation cavity, the lower end of the fixing sleeve is provided with a pen sleeve that clamps the drawing pen, the actuator is arranged on the upper end of the fixing sleeve, and the driving rod is provided with the is installed in the cavity and connected with the actuator, and the drawing pen is driven to move downward along the installation cavity by the actuator.

Further, the pressing mechanism includes a pressure plate and a spring, the pressure plate is slidably arranged in the pen storage box, and two convex points are arranged at an upper and lower interval on one side of the pressure plate, and on one side of the pen storage box The bumps are arranged at the corresponding positions of the inner wall of the spring, and the two ends of the spring are respectively fixed on the bumps on both sides.

Further, it also includes a locking mechanism and a pulling wire, one end plate of the pen storage box is provided with a through hole, the locking mechanism is arranged at the through hole, and the locking mechanism includes a locking bracket, a locking wheel and a first torsion spring, the bottom of the locking bracket is provided with a sawtooth structure, the locking wheel is eccentrically arranged on the locking bracket, and the first torsion spring is arranged on the locking wheel and the locking The bracket is connected, the first torsion spring is used to rotate the locking wheel upward, one end of the pulling wire is fixed with the pressing plate, and the other end enters the locking wheel and the sawtooth structure through the through hole During locking, the locking wheel rotates to press the traction wire on the sawtooth structure.

Further, it also includes a winding mechanism, the winding mechanism is fixed on the pen storage box, the winding mechanism includes a winding casing, a winding shaft and a second torsion spring, and the winding shaft is rotatably arranged at the In the rewinding housing, a wire port is provided on the reeling housing, and the second torsion spring is arranged in the rewinding housing, and is respectively connected with the reeling housing and the reeling shaft, and is the A take-up reel provides restoring force, and the pull wire is connected to the take-up reel through the wire port.

Further, the pen sleeve includes a pressing sleeve and a rubber ring, the rubber ring includes a fixing part, an elastic part and a clamping part, the fixing part is fixed on the lower end of the fixing sleeve through the pressing sleeve, and the elastic part is connected to the fixed part. The fixing part and the clamping part are in interference fit with the drawing pen.

Further, the elastic portion includes at least one C-ring.

Further, the ferrule is threadedly matched with the fixing sleeve, the lower surface of the fixing sleeve is provided with several positioning points protruding along the edge thereof, and the fixing portion is provided with positioning holes at corresponding positions.

Further, the actuator is an electric cylinder.

Further, magnets are arranged on the upper surface of the pen storage box and the lower surface of the cover plate, and the cover plate is magnetically connected with the pen storage box.

The beneficial effects obtained by the present invention:

The invention realizes the storage and automatic replacement of drawing pens through the cooperation of the pen storage box and the fixing sleeve, greatly saves the pen changing time and improves the drawing efficiency. A pen cover is set at the end, and the pen cover is provided with a C-shaped elastic part to avoid the hard connection between the drawing pen and the desktop during drawing, which may cause damage to the drawing pen. The traction wire is connected to the pressure plate and temporarily fixed by the locking mechanism, which is convenient for adding a pen; the locking mechanism adopts a sawtooth structure and an eccentrically arranged locking wheel to increase the friction between the traction wire and the locking wheel to overcome the torsion spring. The torsion force makes the locking wheel rotate and presses the traction wire on the sawtooth structure.

Description of drawings

Fig. 1 is the three-dimensional structure schematic diagram of a kind of automatic pen changing device for clothing plate making of the present invention;

2 is a schematic diagram of the internal structure of an automatic pen changing device for garment plate making according to the present invention;

Figure 3 is a schematic structural diagram of a locking mechanism;

Fig. 4 is the structural representation of the winding mechanism;

Fig. 5 is the structural representation of the pen cover;

Fig. 6 is the structural representation of apron;

7 is a schematic structural diagram of a fixed sleeve and a pencil storage box;

The reference numbers are as follows:

1. Fixed sleeve, 2. Actuator, 3. Drive rod, 4. Pressing mechanism, 5. Cover plate, 6. Pen storage box, 7. Pen sleeve, 9. Drawing pen, 11. Positioning point, 41. Pressure plate , 42, spring, 43, bump, 44, locking mechanism, 45, traction wire, 46, winding mechanism, 441, locking bracket, 442, locking wheel, 443, sawtooth structure, 461, winding shell , 462, rewinding shaft, 71, pressing sleeve, 72, rubber ring, 721, fixed part, 722, elastic part, 723, clamping part, 724, positioning hole.

detailed description

In order to make the objectives, technical solutions and advantages of the present invention clearer, the present invention will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present invention, but not to limit the present invention.

An automatic pen changing device for garment plate making, as shown in Figures 1-2, includes a fixing sleeve 1, an actuator 2, a driving rod 3, a pressing mechanism 4 and a cover plate 5, the fixing sleeve 1 is connected with a manipulator, and the fixing sleeve is 1. An installation cavity for installing the drawing pen 9 and cooperating with the drawing pen 9 is axially arranged; wherein, the installation cavity is used to guide the drawing pen 9 and prevent the drawing pen 9 from shaking during mechanical hand drawing. An opening is provided on the side wall of the fixed sleeve 1, and a pen storage box 6 is extended to one side, and a pen storage cavity arranged horizontally is arranged in the pen storage box 6; that is, the drawing pens 9 are arranged in a line in the pen storage cavity; the cover plate 5 Covered on the top of the pen storage box 6, after the cover plate 5 is opened, it is convenient to add pens in the pen storage cavity. The pressing mechanism 4 is arranged at one end of the pen storage cavity, and pushes the drawing pen 9 toward the installation cavity. The lower end of the fixed sleeve 1 is provided with a pen sleeve 7 for clamping the drawing pen, the actuator 2 is arranged on the upper end of the fixed sleeve 1, and the driving rod 3 It is arranged in the installation cavity and connected with the actuator 2, and the actuator 2 drives the driving rod 3 to move down, so that the drawing pen 9 moves down along the installation cavity. The above structure realizes automatic pen change; specifically, the actuator 2 drives the driving rod 3 to move up, so that the drawing pen 9 enters the installation cavity, and then pushes the driving rod 3 to push the drawing pen 9 to move down along the installation cavity, and the drawing pen 9 moves down through the installation cavity. The end of the drawing pen that has been replaced on the top of the nib part of 9 pushes the drawing pen out of the fixing sleeve 1, and the new drawing pen is fixed by the pen sleeve, and then the actuator 2 drives the driving rod 3 to move upward, so that the drawing pen 9 and the driving rod 3 are moved upward. There is a gap between, and a pen change is completed. At this time, the driving rod 3 blocks the drawing pen 9 in the pen storage cavity from entering the installation cavity, so as to avoid affecting the normal drawing of the mechanical arm.

In one embodiment, as shown in FIGS. 1-2 , the pressing mechanism 4 includes a pressing plate 41 and a spring 42 , and guide grooves are provided on opposite two side walls of the pen storage box 6 . Correspondingly, two sides of the pressing plate 41 are provided with guide grooves. A sliding block is provided, and the sliding block is matched with the guide groove to realize the sliding connection between the pressing plate 41 and the pen storage box 6 . One side of the pressing plate 41 is provided with two bumps 43 at intervals up and down, and the bumps 43 are set at the corresponding positions of the inner wall of one side of the pen storage box 6 .

In the above-mentioned embodiment, as shown in Figures 1-3, a locking mechanism 44 and a pulling wire 45 are also included, a through hole is provided on one end plate of the pen storage box 6, and the locking mechanism 44 is arranged at the through hole, and the locking mechanism 44 includes a locking bracket 441, a locking wheel 442 and a first torsion spring (not shown), the bottom of the locking bracket 441 is provided with a sawtooth structure 443, the locking wheel 442 is eccentrically arranged on the locking bracket 441, and the first torsion spring It is arranged on the locking wheel 442 and connected to the locking bracket 441. The first torsion spring is used to make the locking wheel 442 rotate upward. One end of the traction wire 45 is fixed with the pressing plate 41, and the other end enters the locking wheel 442 and the sawtooth through the through hole. Between the structures 443 , when locked, the locking wheel 442 rotates to press the traction wire 45 on the sawtooth structure 443 . The locking mechanism 44 is used to fix the pressure plate 41 at one end when adding a pen; specifically, the pressure plate 41 is pulled to one end of the pen storage box 6 through the pulling wire 45, and then the pulling wire 45 is pulled upward, and the pulling wire 45 Stick on the locking wheel 442; use the friction force between the traction wire 45 and the locking wheel 442 to make the locking wheel 442 rotate downward, and clamp the traction wire 45 between the locking wheel 442 and the sawtooth structure 443; By utilizing the restoring force of the spring 42 , the locking mechanism 44 always clamps the pulling wire 45 . Among them, the locking wheel 442 adopts a wheel-shaped structure, the purpose of which is to increase the frictional force between the locking wheel 442 and the traction wire 45 . When unlocking, it is only necessary to pull the traction wire 45 again, and the locking wheel 442 receives the torsion force of the first torsion spring and rotates upward, and separates from the traction wire 45 to realize the unlocking of the traction wire 45 and the locking mechanism 44 .

In the above embodiment, as shown in Figs. 1-4, when the pen storage box 6 is full, a longer section of the pulling wire 45 will be outside the pen storage box 6, which will affect the normal drawing of the robotic arm. Therefore, the winding mechanism 46 is also included, and the winding mechanism 46 is fixed on the pen storage box 6 for winding the pulling wire 45 in the winding mechanism 46 . Specifically, the winding mechanism 46 includes a winding casing 461 , a winding shaft 462 and a second torsion spring (not shown). The winding shaft 462 is rotatably arranged in the winding casing 461 , and the winding casing 461 is provided with a wire opening. , the second torsion spring is arranged in the rewinding housing 461, and is connected with the reeling housing 461 and the reeling shaft 462 respectively, providing restoring force for the reeling shaft 462, and the pulling wire 45 is connected with the reeling shaft 462 through the wire opening.

In one embodiment, as shown in FIGS. 1-7 , the pen cover 7 includes a pressing sleeve 71 and a rubber ring 72 . The rubber ring 72 includes a fixing part 721 , an elastic part 722 and a clamping part 723 , and the fixing part 722 is fixed by the pressing sleeve 71 . At the lower end of the fixing sleeve 1 , the elastic part 722 connects the fixing part 721 and the clamping part 722 , and the clamping part 723 is in an interference fit with the drawing pen 9 . Wherein, the rubber ring 72 can be made of materials such as rubber, silicone, and the like, and by virtue of its own elasticity, the clamping portion 723 can quickly clamp the drawing pen 9 . In addition, in the drafter, due to the precision problem of the manipulator, the drawing pen 9 may be hard-connected with the desktop, which may cause damage to the drawing pen 9 . The elastic part 722 is used to realize the automatic adjustment of the up and down position of the drawing pen 9 . Preferably, the elastic portion 722 includes at least one C-shaped ring; that is, the cross-section of the elastic portion 722 is C-shaped, enclosed in a circular ring shape, restrained from each other, and has good toughness, which is very suitable for adaptive adjustment of the drawing pen 9 . When two or three C-rings are provided, they are superimposed on top of each other.

In the above embodiment, as shown in FIGS. 1-7 , the ferrule 71 is threadedly matched with the fixing sleeve 1 , the lower surface of the fixing sleeve 1 protrudes along its edge with a number of positioning points 11 , and the fixing portion is provided with positioning holes at corresponding positions 724. After the locating point 11 is inserted into the locating hole 724, it fixes the fixing portion 721 and prevents the friction between the rubber ring 72 and the drawing pen 9 from being large when the pen is changed, causing the position of the rubber ring 72 to change.

In one embodiment, the actuator 2 is an electric cylinder.

In one embodiment, magnets are provided on the upper surface of the pen storage box 6 and the lower surface of the cover plate 5 , and the cover plate 5 is magnetically connected with the pen storage box 6 . This facilitates opening and closing of the cover 5 .

When the present invention is in use, as shown in Figures 1-7, when it is necessary to add a pen, open the cover 5, pull the pulling wire 45 to make the pressing plate 41 move to one end of the pen storage box 6, and the pulling wire 45 is locked with the locking mechanism 44 . Then, the drawing pens 9 are placed in a line in the pen storage cavity, and then the locking mechanism 44 is unlocked, so that the pressing plate 41 is pressed tightly on the drawing pen 9, and the cover plate 5 is closed to complete the writing. The specific process of changing the pen has been described above, and will not be described again here.

The above are only preferred embodiments of the present invention, and are not intended to limit the scope of implementation of the present invention; if the present invention is modified or equivalently replaced without departing from the spirit and scope of the present invention, it shall be covered by the protection scope of the claims of the present invention. among.

Claims

An automatic pen changing device for garment plate making, which is characterized in that it includes a fixing sleeve, an actuator, a driving rod, a pressing mechanism and a cover plate, the fixing sleeve is connected with a manipulator, and the fixing sleeve is axially provided with a penetrating function. In the installation cavity where the drawing pen is installed and matched with the drawing pen, the side wall of the fixing sleeve is provided with an opening, and a pen storage box is extended to one side, and a horizontally arranged pen storage cavity is arranged in the pen storage box, The cover plate covers the top of the pen storage box, the pressing mechanism is arranged at one end of the pen storage cavity, and pushes the drawing pen toward the installation cavity, and the lower end of the fixing sleeve is provided with a clamping mechanism The pen cover of the drawing pen, the actuator is arranged on the upper end of the fixed cover, the driving rod is arranged in the installation cavity, and is connected with the actuator, and the actuator is used to drive the The drawing pen moves down the mounting cavity.
The automatic pen changing device for garment plate making according to claim 1, wherein the pressing mechanism comprises a pressing plate and a spring, the pressing plate is slidably arranged in the pen storage box, and one side of the pressing plate Two protruding points are arranged at an upper and lower interval, and the protruding points are arranged at corresponding positions on the inner wall of one side of the pen storage box, and both ends of the spring are respectively fixed on the protruding points on both sides.
The automatic pen changing device for clothing plate making according to claim 2, further comprising a locking mechanism and a pulling wire, a through hole is provided on one end plate of the pen storage box, and the locking mechanism is provided on the At the through hole, the locking mechanism includes a locking bracket, a locking wheel and a first torsion spring, the bottom of the locking bracket is provided with a sawtooth structure, and the locking wheel is eccentrically arranged on the locking bracket, so The first torsion spring is arranged on the locking wheel and is connected to the locking bracket, the first torsion spring is used to make the locking wheel rotate upward, one end of the traction wire is fixed with the pressing plate, and the other end is fixed with the pressing plate. One end passes through the through hole and enters between the locking wheel and the sawtooth structure. When locked, the locking wheel rotates to press the traction wire against the sawtooth structure.
The automatic pen changing device for clothing plate making according to claim 3, further comprising a rewinding mechanism, the rewinding mechanism is fixed on the pen storage box, and the rewinding mechanism comprises a rewinding shell body, a winding shaft and a second torsion spring, the winding shaft is rotatably arranged in the winding casing, a wire port is arranged on the winding casing, and the second torsion spring is arranged in the winding casing, are respectively connected with the rewinding housing and the reeling shaft to provide restoring force for the reeling shaft, and the pulling wire is connected to the reeling shaft through the wire opening.
The automatic pen changing device for garment plate making according to claim 1, wherein the pen cover comprises a pressing sleeve and a rubber ring, the rubber ring comprises a fixing part, an elastic part and a clamping part, and the fixing part It is fixed on the lower end of the fixing sleeve by a pressing sleeve, the elastic part is connected with the fixing part and the clamping part, and the clamping part is in an interference fit with the drawing pen.
The automatic pen changing device for garment plate making according to claim 5, wherein the elastic part comprises at least one C-shaped ring.
The automatic pen changing device for garment plate making according to claim 5, wherein the ferrule is threadedly matched with the fixing sleeve, and the lower surface of the fixing sleeve is protruded along its edge with a number of positioning points. , and a positioning hole is provided at a corresponding position on the fixing part.
The automatic pen changing device for garment plate making according to claim 1, wherein the actuator is an electric cylinder.
The automatic pen changing device for clothing plate making according to claim 1, wherein magnets are arranged on the upper surface of the pen storage box and the lower surface of the cover plate, and the cover plate and the pen storage box are arranged with magnets. Magnetic connection.