Dotting device and clothing fabric dotting machine

Abstract

The present invention discloses a dotting device and a clothing fabric dotting machine, comprising a shell and a dotting control component, wherein a first accommodating chamber and a second accommodating chamber that are interconnected are provided in the shell, a powder spraying port is provided at the lower end of the first accommodating chamber, and the second accommodating chamber is used to store powder; the dotting control component comprises a driving mechanism and a punching needle, the driving mechanism is used to control the punching needle to selectively move up and down, so that: the punching needle moves upward to open the powder spraying port, and the punching needle moves downward to re-block the powder spraying port, which is mainly achieved through the structural design of the shell and the setting of the dotting control component, and the driving mechanism is used to control the punching needle to open the powder spraying port / reset downward to re-block the powder spraying port, and at the same time, the punching needle can be used to press the powder on the powder spraying part of the material, so that the powder and the material are more firmly combined and the dotting is clearer.

Description

Technical Field

[0001] The present invention relates to the field of dotting machines, in particular to a dotting device and a clothing fabric dotting machine, which are mainly applicable to but not limited to dotting and marking clothing fabrics. Background Art

[0002] Taking the clothing industry as an example, one of the steps in the clothing production process is to mark the button and buttonhole positions on the front placket, that is, to determine the buttonhole point on the left front placket and the button point on the right front placket. This step is a major challenge because there are many types of shirts in production, and the buttonholes or button positions of the clothing have certain position requirements and need to meet the set position accuracy.

[0003] The traditional positioning of buttonholes or button positions usually needs to be done manually. The position needs to be measured manually and then marked with chalk. The chalk needs to be sharpened before use. The powder generated when sharpening the chalk head will cause powder pollution. The sharpened chalk is easy to break when used for marking and needs to be sharpened again after breaking, which is time-consuming and labor-intensive. In addition, when moving clothes to change positions for marking, workers need to manually move clothes, which may cause the marking needle to scratch the worker's fingers. In severe cases, the marking needle may be nailed into the worker's fingers, which has great safety hazards. The positioning marking efficiency is low, the cost is high, and the pollution is large. Alternatively, a special positioning mold is used for positioning. However, when changing the clothing model, different samples need to be found, which not only wastes work time, but also requires carefulness and attentiveness when checking the samples. Once the sample is used incorrectly, irreparable quality problems will be caused.

[0004] For knitted fabrics, the method of using dotting needles to create pinhole marks on the fabric is not suitable. The industry generally uses chalk instead of dotting needles, using chalk to press down on the knitted fabric to leave chalk marks. In actual use, the marks left by chalk pressing down are relatively shallow. Therefore, it is usually necessary to press the chalk down to the knitted fabric and then rotate the chalk to create a more obvious mark. However, the chalk is prone to breaking during rotation, resulting in the need to interrupt the dotting operation and frequent chalk replacement operations, which affects dotting efficiency. Moreover, for fabrics with sparse knitting and / or high elasticity, rotating the chalk after pressing it down to the knitted fabric can cause problems such as unclear marks and / or localized deformation of the fabric, affecting the dotting quality and dotting position accuracy.

[0005] Therefore, it is necessary to study a new technical solution to solve the above problems. Summary of the Invention

[0006] In view of this, the present invention aims to address the deficiencies in the prior art, and its main purpose is to provide a dotting device and a clothing fabric dotting machine. Through the structural design of the shell and the setting of the dotting control component, the punching needle can be used to press the powder on the powder-spraying parts of the material, so that the powder and the material are more firmly combined and the dotting is clearer; it effectively solves the problems of easy breakage, uneven dotting, high pollution and low dotting efficiency of chalk used in traditional technology.

[0007] To achieve the above object, the present invention adopts the following technical solutions:

[0008] A dotting device comprises a shell and a dotting control assembly, wherein: a first accommodating chamber and a second accommodating chamber which are interconnected are provided in the shell, a powder spraying port is provided at the lower end of the first accommodating chamber, and the second accommodating chamber is used to store powder; the dotting control assembly comprises a driving mechanism and a punching needle, the driving mechanism is used to control the punching needle to selectively move up and down, so that: the punching needle moves upward to open the powder spraying port, and the punching needle moves downward to re-block the powder spraying port, and the punching needle can be used to press the powder on the powder spraying part of the material, so that the powder and the material are more firmly combined and the dotting is clearer; the powder spraying port of the shell presses and positions the material, which can meet the dotting requirements of various material materials and obtain relatively ideal dotting quality and dotting position accuracy.

[0009] As a preferred solution, the driving mechanism includes an electromagnet, which is installed on the shell; when the electromagnet is energized, the punching needle is displaced upward by the magnetic force of the electromagnet to open the powder spraying port; when the electromagnet loses power, the punching needle returns to its original position to block the powder spraying port again.

[0010] As a preferred solution, a powder stirring assembly is provided in the second accommodating chamber, and the powder stirring assembly includes a rotating motor and a stirring member. The rotating motor drives the stirring member to rotate in the second accommodating chamber, stirring and sending the powder into the first accommodating chamber at the same time to prevent the powder from clumping.

[0011] As a preferred solution, the powder stirring assembly also includes a mounting plate, the rotating motor is installed above the mounting plate, the stirring member passes upward through the mounting plate to be connected to the output shaft of the rotating motor, the second accommodating chamber is arranged at the top opening of the shell, and the mounting plate covers the top opening of the second accommodating chamber.

[0012] As a preferred solution, a limiting protrusion is integrally extended from the bottom of the mounting plate, and the limiting protrusion extends into the second accommodating cavity and contacts the inner wall surface of the second accommodating cavity for limiting position; the edge of the mounting plate is screwed to the shell.

[0013] As a preferred solution, a powder feed port penetrating the interior of the second accommodating cavity is provided on the mounting plate, a feed pipe extends into the powder feed port, and the lower end of the feed pipe extends to the interior of the second accommodating cavity.

[0014] As a preferred solution, the first accommodating chamber and the second accommodating chamber are arranged side by side, and a powder transfer hole is provided on the adjacent partition walls thereof, and the first accommodating chamber and the second accommodating chamber are interconnected via the powder transfer hole.

[0015] As a preferred solution, the punching needle is provided with a reset spring. When the punching needle moves upward, the reset spring is in a deformed energy storage state. When the electromagnet loses power, the downward reset force of the reset spring acts on the punching needle.

[0016] As a preferred solution, the upper end of the punching needle can move up and down through the interior of the electromagnet and protrude above the top of the electromagnet. The upper end of the punching needle is provided with a stop portion, which is restricted by the top of the electromagnet to limit the downward displacement distance of the punching needle. At the same time, it can also guide the up and down movement of the punching needle to ensure that the up and down movement will not deviate.

[0017] A clothing fabric dotting machine comprises a frame and any one of the above-mentioned dotting devices arranged on the frame.

[0018] As a preferred solution, a plurality of the dotting devices are arranged side by side laterally, and the dotting devices can be movably arranged laterally on the frame to adjust the spacing between adjacent dotting devices, thereby meeting the requirements of different dotting spacings;

[0019] Furthermore, each dotting device is individually configured with a lifting drive device, or all dotting devices are driven to lift together by one lifting drive device. Therefore, the setting of the lifting drive device can be changed as needed.

[0020] As a preferred solution, the lifting drive device is connected to a first slider, and the lifting drive device drives the first slider to move up and down; the first slider is provided with a lifting seat that can move up and down relative to the first slider, the lifting seat has a widened bayonet extending up and down, and the first slider has a guide sliding portion extending into the widened bayonet, and the upper and lower widths of the widened bayonet are greater than the guide sliding portion;

[0021] In the first usage state, the upper edge of the widened bayonet is supported on the guide slide; in the second usage state, the lifting seat is subjected to an upward external force, causing the lifting seat to move upward relative to the guide slide, and the upper edge of the widened bayonet is separated from the guide slide.

[0022] Compared with the prior art, the present invention has obvious advantages and beneficial effects. Specifically, it can be seen from the above technical scheme that it mainly realizes that through the structural design of the shell and the setting of the dotting control component, the powder spraying part on the material can be pressed by the punching needle, so that the powder and the material are more firmly combined and the dotting is clearer; it solves the problems of small capacity of chalk, easy breakage, uneven dotting, large pollution and low dotting efficiency in traditional technology, and the material is pressed and positioned by the powder spraying port of the shell, therefore, it can meet the dotting requirements of various material materials and can obtain relatively ideal dotting quality and dotting position accuracy.

[0023] At the same time, through the cooperation between the shell and the lifting seat, a widened bayonet is adopted to prevent the fingers from being pressed by the action force and to prevent the safety hazards caused by the bottom tip design of the traditional dosing needle that easily crushes the fingers.

[0024] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below with reference to the accompanying drawings and specific embodiments. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 is a perspective view of a dotting device according to an embodiment of the present invention;

[0026] Figure 2 is an exploded view of a dotting device according to an embodiment of the present invention;

[0027] Figure 3 is a cross-sectional view of a dotting device according to an embodiment of the present invention;

[0028] Figure 4 is another cross-sectional view of the dotting device according to an embodiment of the present invention;

[0029] Figure 5 1 is a partial structural diagram of a dotting device according to an embodiment of the present invention;

[0030] Figure 6 This is a flowchart illustrating the use of the dotting device according to an embodiment of the present invention;

[0031] Figure 7 It is a state diagram of using several dotting devices to dot;

[0032] Figure 8 This is a three-dimensional diagram of a dotting device according to an embodiment of the present invention applied to a garment fabric dotting machine;

[0033] Figure 9 2. It is a diagram illustrating the widened bayonet connection between the first slider and the lifting seat according to an embodiment of the present invention.

[0034] Description of the accompanying drawings:

[0035] 10. Shell 11. First accommodating cavity

[0036] 12. Second accommodating chamber 13. Powder spraying port

[0037] 14. Powder transfer hole

[0038] 20. Dotting control component 21. Electromagnet

[0039] 22. Punching needle 221. Return spring

[0040] 23. Anti-prolapse department

[0041] 30. Powder stirring assembly 31. Rotating motor

[0042] 32. Stirring piece 33. Mounting plate

[0043] 331, limiting convex portion 332, powder feed port

[0044] 40. Frame 41. Guide rod

[0045] 42. Movable plate 43. Synchronous belt

[0046] 44. Sliding wheel 45. Screw

[0047] 46. Lifting seat 461. Widened bayonet

[0048] 47. First slider 471. Sliding guide

[0049] A. Dotting device B. Dotting powder marks

[0050] C. Materials. DETAILED DESCRIPTION

[0051] Please refer to Figures 1 to 9 As shown, it shows the specific structure of an embodiment of the present invention.

[0052] A dotting device A includes a housing 10 , a dotting control component 20 , and a powder stirring component 30 .

[0053] The shell 10 is provided with a first accommodating chamber 11 and a second accommodating chamber 12 that are interconnected. The lower end of the first accommodating chamber 11 is provided with a powder injection port 13. The powder injection port 13 of the shell 10 presses and positions the material C, which can meet the dotting requirements of various materials C and achieve relatively ideal dotting quality and dotting position accuracy. The second accommodating chamber 12 is provided with a powder stirring assembly 30. The second accommodating chamber 12 is provided at the top opening of the shell 10 and is used to store powder. The first accommodating chamber 11 and the second accommodating chamber 12 are arranged side by side, and a powder transfer hole 14 is provided on the adjacent wall between the two. The first accommodating chamber 11 and the second accommodating chamber 12 are interconnected via the powder transfer hole 14.

[0054] The dotting control assembly 20 includes a driving mechanism and a punching needle 22. The driving mechanism is used to control the punching needle 22 to selectively move up and down, so that: the punching needle 22 moves upward to open the powder spraying port 13, and the punching needle 22 moves downward to re-block the powder spraying port 13. The driving mechanism can be an electromagnet, a motor, or other automatically provided external force, as long as it can control the punching needle 22 to selectively move up and down.

[0055] In this embodiment, the driving mechanism preferably adopts an electromagnet 21, that is, the dotting control assembly 20 includes an electromagnet 21 and a punching needle 22, the electromagnet 21 is installed on the housing 10, and the punching needle 22 extends downward into the powder spraying port 13; the punching needle 22 has a magnetically attractive portion. In actual design, the punching needle 22 can be designed as an iron piece or partially iron or provided with a magnet; when the electromagnet 21 is energized, the punching needle 22 is displaced upward by the magnetic attraction force of the electromagnet 21 to open the powder spraying port 13; the amplitude (or strength) of the upward displacement of the punching needle 22 can be adjusted according to actual needs to adjust the powder output. The lower end of the powder spraying port 13 is a plane. After the punching needle 22 is reset downward, the lower end of the punching needle 22 is flush with the lower end of the powder spraying port 13.

[0056] When the electromagnet 21 loses power, the punching needle 22 resets downward to re-block the powder spraying port 13. The punching needle 22 can be used to press the powder spraying area on the material C, so that the powder and material C are more firmly combined and the dot is clearer. The powder stirring assembly 30 includes a rotary motor 31, a mounting plate 33 and a stirring member 32. The rotary motor 31 is mounted above the mounting plate 33. The rotary motor 31 drives the stirring member 32 to rotate in the second accommodating chamber 12, stirring and sending the powder into the first accommodating chamber 11 to prevent the powder from agglomerating. The stirring member 32 passes upward through the mounting plate 33 to connect to the output shaft of the rotary motor 31. The mounting plate 33 covers the top opening of the second accommodating chamber 12. The bottom of the mounting plate 33 is integrally extended with a limiting protrusion 331. The limiting protrusion 331 extends into the second accommodating chamber 12 and contacts the inner wall surface of the second accommodating chamber 12 for limiting position. The edge of the mounting plate 33 is screwed to the housing 10. The mounting plate 33 is provided with a powder feed port 332 that passes through the interior of the second accommodating chamber 12 . A feed pipe extends into the powder feed port 332 . The lower end of the feed pipe extends into the interior of the second accommodating chamber 12 . The lower end of the feed pipe 12 extends to near the powder transfer hole 14 .

[0057] The punching needle 22 is provided with a reset spring 221. When the punching needle 22 is displaced upward, the reset spring 221 is in a deformed energy storage state. When the electromagnet 21 loses power, the downward reset force of the reset spring 221 acts on the punching needle 22. The reset spring 221 is a pressure spring, the upper end of which is connected to the bottom of the electromagnet 21, and the lower end of which is connected to the punching needle 22. The upper end of the punching needle 22 can move up and down through the interior of the electromagnet 21 and protrude above the top of the electromagnet 21. The upper end of the punching needle 22 is provided with a stopper 23, which is limited by the top of the electromagnet 21 to limit the downward displacement distance of the punching needle 22; at the same time, it can also guide the up and down movement of the punching needle 22 to ensure that the up and down movement will not deviate.

[0058] A sealing ring is provided between the anti-slip portion 23 and the top of the electromagnet 21. When the punching needle falls, the anti-slip portion collides with the sealing ring, which plays a role in dust prevention and reducing collision noise.

[0059] like Figure 7 and 8 As shown, a garment fabric dotting machine includes a frame 40 and a dotting device A disposed on the frame. The dotting devices A are arranged side by side in a horizontal direction, and the dotting devices A can be movably disposed on the frame in a horizontal direction to adjust the spacing between adjacent dotting devices, thereby meeting the requirements of different dotting spacings (such as Figure 7 ); and each dotting device A is individually equipped with a lifting drive device, or all dotting devices A are driven to lift together by a lifting drive device. The lifting drive device is connected to a first slider 47, which drives the first slider 47 to move up and down. The first slider 47 is provided with a lifting seat 46 that can move up and down relative to the first slider 47, and the dotting device A is mounted on the lifting seat 46. The lifting seat 46 has a widened bayonet 461 extending vertically, and the first slider 47 has a guide slide 471 that extends into the widened bayonet 461. The upper and lower widths of the widened bayonet 461 are greater than the guide slide 471. In the first use state, the upper edge of the widened bayonet 461 is supported on the guide slide 471. In the second use state, the lifting seat 46 is subjected to an upward external force, causing the lifting seat 46 to move upward relative to the guide slide 471, and the upper edge of the widened bayonet 461 is separated from the guide slide 471.

[0060] In this embodiment, each dotting device A is independently equipped with a lifting drive device. Specifically, the frame 40 is also provided with a lifting seat 46, a guide rod 41, a movable plate 42, a synchronous belt 43, a driving device, a sensing device, a sliding wheel 44, a screw rod 45, a first slider 47 and a second slider; the synchronous belt 43 is sleeved between the two sliding wheels 44, and one sliding wheel 44 is driven to rotate by a driving device (such as a motor) as a driving wheel. The driving device and the sliding wheel 44 are both provided on the movable plate 42. The first slider 47 is connected to The lifting seat 46 is mounted on the synchronous belt 43 and is arranged to move up and down with the synchronous belt 43, thereby being movable up and down. The lifting seat 46 is provided with a widened slot 461. The first slider 47 is provided with a forwardly protruding guide portion 471, which extends forward into the widened slot 461. Normally (referring to the first operating state), the upper edge of the widened slot 461 is supported on the guide portion 474. When the first slider 47 moves up and down with the synchronous belt 43, the lifting seat 46 also moves up and down with the guide portion 474. In the second operating state, if a finger is accidentally placed under the dotting device A and the dotting device A presses down on the finger, the lifting seat 46 is movable up and down relative to the first slider 47. As the lifting drive device drives the dotting device A to continue to press down, the lifting seat 46 will move upward, preventing the dotting device A from continuing to press down on the finger. This effectively avoids the safety hazard of the bottom of a conventional dotting needle crushing the finger.

[0061] The movable plate 42 is connected to the second slider, which is provided with a guide rod through-hole and a screw rod through-hole. The guide rod 41 passes through the guide rod through-hole, and the screw rod 45 passes through the screw rod through-hole. The friction between the guide rod 41 and the guide rod through-hole is relatively small, while the friction between the screw rod 45 and the screw rod through-hole is relatively large. When the spacing between adjacent dotting devices A needs to be adjusted, a certain external force can be manually applied to push the dotting device A laterally, allowing the second slider to move laterally along the guide rod 41 and screw rod 45. The sensing device is provided on the movable plate 42. Two sensing devices are provided, spaced apart from each other. When the dotting device A descends to a certain position along with the first slider, the lower sensing device senses (or is triggered), automatically controlling the drive device to stop. Similarly, when the dotting device A returns to a certain position, the upper sensing device senses (or is triggered), automatically controlling the drive device to stop. In this way, the lifting stroke position of the dotting device A is automatically controlled.

[0062] The working principle, usage method or working process of this embodiment are described in detail as follows:

[0063] like Figure 6 As shown, first, place the material C to be dotted under the dotting device A, press the controller, and the dotting device A is in the standby state (not in contact with the material C), that is, state 1;

[0064] Next, the lifting drive device drives the dotting device A downward until it contacts the material C, which is state 2. At this time, the sensing device below senses (or is triggered), and automatically controls the driving device to stop.

[0065] Next, the electromagnet 21 is controlled to be energized, and the punching needle 22 is displaced upward by the magnetic attraction force of the electromagnet 21 to open the powder spraying port 13 for powder spraying, i.e., state 3;

[0066] Next, the electromagnet 21 is controlled to lose power, and the electromagnet 21 loses its magnetic attraction force on the punching needle 22. At this time, the punching needle 22 quickly returns downward under the dual action of its own gravity and the downward return force of the return spring 221 to re-block the powder spraying port 13. At the same time, the lower end of the punching needle 22 is used to press the powder spraying part on the material C, so that the powder and the material C are more firmly combined and the dot is clearer; that is, state 4;

[0067] Finally, after dotting, device A, driven by the lifting drive, resets upward, i.e., to state 5, returning to standby. At this point, a clear, well-defined dotting powder mark B (which matches the shape of the lower end of the powder spray nozzle, usually a circle) can be seen on material C.

[0068] The design focus of the present invention is that, mainly through the structural design of the shell and the setting of the dotting control component, a large amount of powder is poured in and the powder spraying part on the material can be pressed by using the punching needle, so that the powder and the material are more firmly combined and the dotting is clearer; it solves the problems of small capacity of chalk, easy breakage, uneven dotting, large pollution and low dotting efficiency in traditional technology, and the material is pressed and positioned by the powder spraying port of the shell, therefore, it can meet the dotting needs of various material materials and can obtain relatively ideal dotting quality and dotting position accuracy.

[0069] At the same time, through the cooperation between the shell and the lifting seat, a widened bayonet is adopted to prevent the fingers from being pressed by the action force and to prevent the safety hazards caused by the bottom tip design of the traditional dosing needle that easily crushes the fingers.

[0070] The above description is merely a preferred embodiment of the present invention and does not limit the technical scope of the present invention. Therefore, any minor modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A dotting device, characterized in that: include A housing is provided with a first accommodating chamber and a second accommodating chamber that are interconnected; a powder spraying port is provided at the lower end of the first accommodating chamber, the second accommodating chamber is used to store powder, a powder stirring assembly is provided in the second accommodating chamber, the powder stirring assembly includes a rotating motor and a stirring member, the rotating motor drives the stirring member to rotate in the second accommodating chamber, stirring and delivering the powder into the first accommodating chamber; A dotting control component, the dotting control component includes a driving mechanism and a punching needle; the driving mechanism is used to control the punching needle to selectively move up and down, the driving mechanism includes an electromagnet, the electromagnet is installed on the shell, and a reset spring is provided on the punching needle. The upper end of the punching needle can move up and down through the inside of the electromagnet and protrude above the top of the electromagnet. The upper end of the punching needle is provided with a stop portion, and the stop portion is limited by the top of the electromagnet to limit the downward displacement distance of the punching needle; when the electromagnet is energized, the punching needle is displaced upward by the magnetic attraction force of the electromagnet to open the powder spray port, and the reset spring is in a deformed energy storage state; when the electromagnet loses power, the punching needle resets downward to re-block the powder spray port, and the downward reset force of the reset spring acts on the punching needle.

2. A dotting device according to claim 1, characterized in that: The powder stirring assembly also includes a mounting plate, the rotating motor is installed above the mounting plate, the stirring member passes upward through the mounting plate to be connected to the output shaft of the rotating motor, the second accommodating chamber is set at the top opening of the shell, and the mounting plate covers the top opening of the second accommodating chamber.

3. A dotting device according to claim 2, characterized in that: A limiting protrusion is integrally extended from the bottom of the mounting plate, and the limiting protrusion extends into the second accommodating cavity and contacts the inner wall surface of the second accommodating cavity for limiting position; the edge of the mounting plate is screwed to the shell.

4. A dotting device according to claim 2, characterized in that: The mounting plate is provided with a powder feed port which passes through the interior of the second accommodating cavity. A feed pipe is inserted into the powder feed port, and the lower end of the feed pipe extends into the interior of the second accommodating cavity.

5. The dotting device according to claim 1, characterized in that: The first accommodating chamber and the second accommodating chamber are arranged side by side, and a powder transfer hole is provided on the adjacent partition walls thereof. The first accommodating chamber and the second accommodating chamber are connected to each other via the powder transfer hole.

6. A dotting machine for garment fabrics, characterized by: The invention comprises a frame and a dotting device as claimed in any one of claims 1 to 5, which is arranged on the frame.

7. The garment fabric dotting machine according to claim 6, characterized in that: A plurality of the dotting devices are arranged side by side in a transverse direction, and the dotting devices can be movably arranged on the frame in a transverse direction to adjust the distance between adjacent dotting devices; Furthermore, each dotting device is individually equipped with a lifting drive device, or all dotting devices are driven by a lifting drive device to lift together.

8. The garment fabric dotting machine according to claim 7, characterized in that: The lifting drive device is connected to a first slider, and the lifting drive device drives the first slider to move up and down; a lifting seat is provided on the first slider, which can move up and down relative to the first slider, and the dotting device is installed on the lifting seat; the lifting seat has a widened bayonet extending up and down, and the first slider has a guide sliding portion extending into the widened bayonet, and the upper and lower widths of the widened bayonet are greater than the guide sliding portion; In the first usage state, the upper edge of the widened bayonet is supported on the guide slide; in the second usage state, the lifting seat is subjected to an upward external force, causing the lifting seat to move upward relative to the guide slide, and the upper edge of the widened bayonet is separated from the guide slide.

Images