CN111118767A - Independent hole carving system - Google Patents
Independent hole carving system Download PDFInfo
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- CN111118767A CN111118767A CN202010205456.7A CN202010205456A CN111118767A CN 111118767 A CN111118767 A CN 111118767A CN 202010205456 A CN202010205456 A CN 202010205456A CN 111118767 A CN111118767 A CN 111118767A
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- needle bar
- carving
- needle
- hole
- drive
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- 230000006872 improvement Effects 0.000 description 8
- 230000005540 biological transmission Effects 0.000 description 5
- 239000003086 colorant Substances 0.000 description 4
- 239000000463 material Substances 0.000 description 4
- 238000005520 cutting process Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920000742 Cotton Polymers 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009956 embroidering Methods 0.000 description 1
- 239000004744 fabric Substances 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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Classifications
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- D—TEXTILES; PAPER
- D05—SEWING; EMBROIDERING; TUFTING
- D05C—EMBROIDERING; TUFTING
- D05C7/00—Special-purpose or automatic embroidering machines
- D05C7/10—Special-purpose or automatic embroidering machines for separating and burning-off parts of the base fabric
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- Engineering & Computer Science (AREA)
- Textile Engineering (AREA)
- Sewing Machines And Sewing (AREA)
Abstract
The invention discloses an independent carving hole system which comprises a needle bar frame and a plurality of needle bars arranged on the needle bar frame, wherein the needle bar frame can translate left and right, a carving hole cutter is arranged at the bottom end of any one of the needle bars, a carving hole driving system is arranged and is not connected with any needle bar, the carving hole driving system can drive the needle bar which moves to a driving position of the carving hole driving system to move downwards to the maximum stroke, and a resetting piece is arranged on the needle bar to drive the needle bar to move upwards for resetting. The needle bar assembly hole carving tool has the advantages that the needle bar can be randomly selected to be assembled with the hole carving tool for carving holes, and both hole carving and multi-color embroidery are realized.
Description
Technical Field
The invention relates to a carving hole system, in particular to an independent carving hole system.
Background
Among embroidery machine's trade, the application of realizing two kinds of operations of embroidery and carving hole on the embroidery is comparatively frequent, have among the prior art to carve hole pole and needle bar and drive by same drive shaft, this kind of carving hole mode is subject to the drive mode of drive shaft, the motion stroke of carving hole pole and needle bar is the same, and the operating frequency is also the same, then can't actual carving hole demand and the carving hole degree of depth and the carving hole frequency of changing carving hole sword, consequently the carving hole mode of this kind of mode is comparatively single, the effect in its carving hole is also relatively poor.
In view of the above problems, the hole engraving rod may be separately provided with a driving system separate from the driving of the needle rod, for example, publication No. CN105019163B discloses an embroidery machine head with independent hole engraving, comprising an embroidery machine head provided with a hole engraving device and an embroidery device, wherein the hole engraving device comprises a hole engraving knife rod and a knife head which move up and down, the embroidery device comprises a needle rod and a needle head which move up and down, and the hole engraving knife rod and the needle rod are both driven by mutually independent driving systems. The invention drives the engraving device and the embroidery device respectively through mutually independent driving systems to avoid mutual function switching.
However, the embroidery machine head with independent carving holes has the following defects: although the problem of poor carving effect is solved by the scheme that the carving hole cutter bar is independently driven, the carving hole cutter bar is directly connected with the driving of the carving hole cutter bar, so that the carving hole cutter bar can only be provided with one needle rod to carry out single-color embroidery, and does not have the function of multi-color embroidery, namely, the carving hole and the multi-color embroidery cannot be considered at the same time.
Disclosure of Invention
The invention aims to provide an independent carving system which can randomly select a needle rod to be assembled with a carving knife to carve holes and give consideration to carving holes and multicolor embroidery.
The invention is realized by the following technical scheme.
The utility model provides an independent carving hole system, includes the needle bar frame, installs many needle bars in the needle bar frame, the translation can be controlled to the needle bar frame, still include and do not connect any the carving hole actuating system of needle bar, the translation can be controlled to the needle bar frame, arbitrary one bottom is equipped with carving hole sword in the needle bar, carving hole actuating system can drive to move to its drive position the needle bar moves down to the biggest stroke, the needle bar is provided with the piece that resets and drives the needle bar rebound resets.
In the prior art, the hole carving rod is independently arranged outside the needle rod for embroidery, the functions of the hole carving rod and the needle rod are mutually independent, the hole carving rod and the needle rod are respectively controlled by different driving systems and are fixedly connected, the hole carving driving system designed by the invention is not connected with any needle rod, all the needle rods can be optionally assembled with the hole carving knife, and the hole carving can be carried out as long as the needle rod assembled with the hole carving knife moves to the driving position of the hole carving driving system. Compared with the prior art, the driving system can randomly select one needle rod as the hole carving rod on one hand, and has flexible choice; on the other hand, as the carving hole driving system and the needle rod are in a non-connection state, the needle rod frame can be moved horizontally to replace the needle rod for embroidering, the carving hole driving system and the carving hole driving system are not interfered with each other, the technical purpose of color changing embroidery can be realized, and three-color, four-color or even more-color embroidery is realized according to the number of the needle rods.
In the invention, in order to make the engraving driving system more compact, as a further improvement of the invention, the engraving driving system comprises a driving shaft and a swinging arm, wherein the driving shaft is driven by a motor to rotate in a bidirectional reciprocating way, the swinging arm is fixed on the driving shaft, and the far end of the swinging arm can be contacted with the top end of the needle rod. Compared with a carving hole driving system in the prior art, the carving hole driving system is more simplified in structure, the swing arm is in contact with the needle rod and drives the needle rod to move downwards in the rotating state of the driving shaft, on one hand, transmission efficiency is improved, kinetic energy loss is reduced, on the other hand, the simplified structure enables the operation reliability of the carving hole driving system to be improved, and the probability of faults is reduced.
As a further development of the invention, in view of the fact that the contact condition of the distal end of the oscillating arm with the tip of the needle bar is dynamically variable, the distal end of the oscillating arm is provided with a contact member which is slidably contactable with the tip of the needle bar. The swing arm is followed when the drive shaft swings, its with the contact at needle bar top is the relative slip, and the contact condition is followed promptly swing arm swing dynamic change, consequently sets up the contact with carving hole pole top sliding contact can swing the arm swing in-process reduce with the friction at needle bar top has improved the accurate nature of operation on the one hand, makes the needle bar downstream is more smooth and easy, and on the other hand also can reduce driven kinetic energy loss, improves transmission efficiency.
As a further improvement of the contact piece of the invention, the contact piece is provided with a bearing which is vertically and fixedly connected with the far end of the swing arm, and the outer ring of the bearing can be contacted with the top end of the needle rod. The rotating characteristic of the bearing is utilized, the outer ring of the bearing is in contact with the top end of the needle rod through a smooth rotating ring surface, the generated friction is small, and the contact piece is suitable for the characteristic requirement of the contact piece.
As a further improvement of the present invention, the drive shaft is provided with a mount, and the swing arm is fixedly connected to the mount. After the carving hole driving system is used for a long time, the swing arm may deform from the direction of the swing arm, so that the contact position of the swing arm and the top of the needle rod is offset, and the normal driving of the needle rod is affected.
As a further improvement of the fixing piece, the fixing piece is a hoop. Will the hoop is as the mounting, and it is fixed it is comparatively firm in the mode of drive shaft, be convenient for install simultaneously the drive shaft is preferred scheme.
As a further improvement of the invention, the restoring element is a restoring spring, and the restoring spring is sleeved on the needle rod. The carving hole driving system is only responsible for driving the needle rod to move downwards to the maximum stroke position, and after one carving hole action is completed, the needle rod needs to move upwards for resetting, so that the restoring spring is arranged as a resetting piece.
As a further improvement of the mounting mode of the hole carving knife, the hole carving knife and the bottom of the needle rod are indirectly mounted. Usually, the carving hole knife can be installed on the knife holder, and the knife holder is installed and connected to the bottom end of the needle rod, so that the carving hole knife is convenient to disassemble and has relatively reliable installation firmness, and an embroidery needle is installed to enable the needle rod to perform embroidery.
As a further improvement of the mounting mode of the hole carving knife, the hole carving knife and the bottom of the needle rod are directly mounted. I.e. the carving knife is mounted directly at the bottom end of the needle bar, so that the bottom of the needle bar has more space.
In the actual operation process, considering different materials of the embroidery and different requirements of holes of the embroidery, as a further improvement of the invention, the maximum stroke and the reciprocating lifting motion frequency of the needle rod driven by the carving hole driving system to move downwards are adjustable. The depth of the carving hole knife penetrating into the embroidery can be adjusted by adjusting the rotation amplitude of the driving shaft through the motor, and the carving hole driving system is an independent driving system, so that the frequency of the carving hole driving system can be adjusted according to the actual operation condition, and the carving hole depth and the frequency of the carving hole knife can be adjusted by combining the carving hole driving system and the independent driving system.
The invention has the beneficial effects that:
(1) the carving hole driving system and the needle rods are in a non-connection relationship, so that any one needle rod can be selected as the carving hole rod, the selection margin is large during actual operation, the use is flexible, in addition, due to the structural characteristic of the carving hole driving system, the color changing operation for changing embroidery threads is feasible, the technical purpose of multicolor embroidery is realized, the defect that the carving hole driving system in the prior art can only carry out single-color embroidery is overcome, and the use applicability of the product is greatly improved;
(2) the carving hole knife installed and connected at the bottom end of the needle rod can be detachably replaced by an embroidery needle, so that the needle rod can perform embroidery and carving holes, and due to the double functions, one needle rod can be reduced in the actual arrangement, so that the arrangement of the needle rod frame and the needle rod is simplified, the operation stability of the whole equipment is improved, and meanwhile, the production cost can be saved;
(3) the carving hole driving system is an independent driving system, the maximum stroke of the carving hole driving system for driving the needle rod to move downwards is adjustable, the cutting-in depth of the carving hole knife can be adjusted, meanwhile, the reciprocating rotation frequency of the driving shaft can be adjusted through the adjusting motor, the adjustment can be carried out according to actual operation requirements, and for example, ultrahigh frequency carving holes can be achieved, and for example, the carving hole knife can be used for carving holes in an approximate cutting mode.
Drawings
FIG. 1 is a schematic structural view of a system of independent engravings according to embodiment 1;
FIG. 2 is a schematic view of a contact and a top end of a hole-carving rod according to embodiment 1;
FIG. 3 is a schematic structural view of the needle bar and the reset member in accordance with embodiment 1;
FIG. 4 is a schematic structural view of the needle bar and the hole-carving knife in embodiment 1;
FIG. 5 is a schematic structural view of the needle bar and the graver according to embodiment 2;
fig. 6 is a schematic structural view of the needle bar and the reset member in embodiment 3.
Detailed Description
The invention is explained in more detail below with reference to the figures and examples.
Example 1:
referring to fig. 1, the present embodiment is a self-contained engraving system, which includes a needle bar frame 1, a needle bar, and an engraving driving system. The needle bar frame 1 can translate left and right, all the needle bars are arranged on the needle bar frame 1, in the present embodiment, the structure mode of the independent engraving system is '4 + 3', and the independent engraving system is arranged on the right side of the needle bar frame 1: a 4 rod, and a 3 rod is arranged at the left side of the needle bar frame 1, wherein the 4 rod is used for executing multi-color embroidery below 4 colors (including 4 colors), and the 3 rod is used for executing multi-color embroidery below 3 colors (including 3 colors). The "3" bar and the "4" bar are both formed by selecting the needle bar fitting engraving knife 31 located at the rightmost side as the engraving bar, and are referred to as the needle bar 3 herein, and the other needle bar fitting embroidery needles 21 are referred to as the needle bar 2 herein. Of course, other needle rods can be selected as the hole carving rods. The number and the position of the needle bars 2 and the needle bars 3 as the engraved holes are set according to the specific functional requirements of the product, and are not limited to the structural mode of "4 + 3" in this embodiment. Be located needle bar frame 1 below sets gradually presser foot 5 and faller 6, faller 6 is provided with pinhole 61 and carving drill way 62 respectively in the corresponding position of "4" pole and "3" pole, corresponds embroidery and carving hole respectively, translation needle bar frame 1 for be located the position that corresponds pinhole 61 with a certain needle bar in needle bar 2, needle bar drive system can drive this needle bar and embroider, translation needle bar frame 1, make needle bar 3 be located the position that corresponds carving drill way 62, carving hole drive system can drive needle bar 3 and carve the hole.
With reference to fig. 2, for the engraved hole driving system comprising a motor (not shown), a driving shaft 41, a fixed element 42 and a swing arm 43, said motor is a positive and negative servo-deceleration motor, and a pulley can be provided as a transmission element for driving said driving shaft 41 to perform a bidirectional reciprocating rotation, it is clear that by adjusting the setting of the motor drive, it is possible to control the maximum amplitude of rotation of said driving shaft 41 and thus the maximum stroke for driving said needle bar 3. Similarly, the adjustment setting of the motor drive can also adjust the forward and reverse rotation frequency of the driving shaft 41, and then adjust the reciprocating lifting frequency of the needle bar 3, by the combination of the adjustment of the two, the appropriate carving depth and carving frequency can be adjusted according to the material characteristics (such as the toughness of the material, the strength of the material, etc.) of the embroidery and the type of the required carving holes (such as the meshes of wedding gauze, the hollow patterns of cotton cloth, etc.), for example, for the embroidery with stronger toughness, the maximum stroke of the needle bar 3 can be adjusted slightly larger, so that the cutting depth of the carving knife is larger when carving the holes, and the carving knife can be ensured to completely cut into the embroidery, for example, for some complicated hollow patterns, the reciprocating lifting frequency of the needle bar 3 can be adjusted faster, so that the carving knife can carve holes in a manner similar to "cutting", thereby making the hollow pattern or pattern edge of the stroke more even.
The swing arm 43 is fixed to the fixing member 42, the fixing member 42 is fixed to the driving shaft 41, and a distal end of the swing arm 43 may contact with a top end of the needle bar 3 instead of being directly connected, so that the swing arm 43 is driven by the motor to move the needle bar 3 downward to a maximum stroke position to complete a hole carving operation, and the needle bar 2 and the needle bar 3 are both sleeved with a restoring spring, refer to fig. 3, which is a structural schematic diagram of the needle bar 3 and the restoring spring, and the needle bar 2 is the same. The top end and the bottom end of the restoring spring 3-A are respectively fixed at the bottom dead center 3-1 of the needle bar 3 and the lower stop 11 of the needle bar frame 1, when the swing arm 43 swings downwards and drives the needle bar 3 to move downwards, the restoring spring 3-A is compressed, and when the swing arm 43 is driven by the motor to lift upwards, the needle bar 3 moves upwards by the elasticity of the restoring spring 3-A to complete the restoration. When the needle bar needs to be replaced in the multi-color embroidery, the swinging arm 43 is lifted upwards under the driving of the motor, the far end of the swinging arm is separated from the top end of the needle bar 3, and the engraving driving system is completely separated from the needle bar 3, so that the needle bar 2 can be replaced in a translation mode by the needle bar frame 1 without being influenced, and the compatibility of the multi-color embroidery and the engraving in the same system is realized.
Referring to fig. 4, in the present embodiment, a tool holder 33 is installed at the bottom end of the needle rod 3, the tool holder 33 is detachably assembled with the needle rod 3, a hole carving knife 31 is installed at the bottom of the tool holder 31, and the tool holder 33 is removed, that is, the needle rod 3 and the hole carving knife 31 are installed indirectly. The embroidery needle can be installed at the bottom end of the needle rod 3, and the detachable structure is arranged, so that the embroidery needle is assembled on the needle rod 2 and the needle rod 3 when the carving is not needed, the quantity of the needle rods can be reduced, the structure of the needle rod frame 1 is simplified, the structural stability of the needle rod frame 1 is improved, meanwhile, the production cost can be reduced, and the needle rod frame has good economic applicability.
The fixing member 42 functions as a connecting member between the driving shaft 41 and the swing arm 43, so that the structural strength and the structural stability of the swing arm 43 on the driving shaft 41 are enhanced, the swing arm 43 is prevented from being angularly deflected or deformed after a long time of use, the contact between the distal end of the swing arm 43 and the top end of the needle bar 3 is kept in a normal state, the driving of the needle bar 3 is ensured to be stable and reliable, and the stability of the needle bar 3 in performing the carving hole is improved. In this embodiment, the fixing member 42 is a ring-shaped structure, and is sleeved and fixed on the driving shaft 41, and the fixing member 42 is configured to be a hoop, or a screw may be used for fixing and a non-ring-shaped structure is used, and the swing arm 43 is fixed on the fixing member 42 by a screw in this embodiment, or may be fixed by welding, or may be a structure in which the fixing member 42 and the swing arm 43 are integrated. Since the present embodiment is configured in the "4 + 3" configuration mode, the needle bar 3 is provided in two, and therefore the fixing member 42 is also provided in two corresponding to the swing arm 43.
The contact member 44 is disposed at the distal end of the swing arm 43, the contact member 44 can be in sliding contact with the tip of the needle bar 3, and since the swing mode of the swing arm 43 rotates with the central axis of the driving shaft 41 as the rotating axis, the contact between the distal end of the swing arm 43 and the tip of the needle bar 3 slides relatively during the reciprocating up-and-down motion of the needle bar 3, and the sliding is dynamically changed along with the swing of the swing arm 43, the contact member 44 capable of sliding contact is used, so that the friction force generated during the relative sliding can be avoided, thereby avoiding the possible slight shaking of the needle bar 3, on one hand, the stability of the carving hole can be enhanced, on the other hand, the loss caused by the friction can be reduced, the kinetic energy loss of the transmission can be reduced, and the transmission efficiency can be. In this embodiment, the contact member 44 is provided as a bearing vertically fixedly connected to the distal end of the swing arm 43, and the outer race of the bearing is contactable with the tip of the needle bar 3.
Example 2:
in this embodiment, the same as embodiment 1 is applied except that the needle bar 3 and the graver 34 are installed in different manners. Referring to fig. 5, in the present embodiment, the hole-carving knife 34 is directly installed at the bottom end of the needle bar 3, and compared with embodiment 1, the space at the bottom of the needle bar 3 is more sufficient, which is beneficial to the adjustment of the whole structure, and meanwhile, the removal of the hole-carving knife 34 is not affected and the hole-carving knife is replaced by an embroidery needle.
Example 3:
in this embodiment, the same as embodiment 1 is applied except that the restoring spring is different in the needle bar connection relationship. Referring to fig. 6, in the present embodiment, the needle bar 3 is sleeved with a restoring spring 3-B, the restoring spring 3-B has two ends respectively connected with the top end of the needle bar 3 and the middle rail 12 of the needle bar frame. Likewise, the needle bar 2 is connected to the restoring spring in the same manner.
Example 4:
in this embodiment, the needle bar 3 and the graver 34 are mounted in the same manner as in embodiment 2, and the connection relationship between the needle bar and the restoring spring is the same as in embodiment 3, and the rest is the same as in embodiment 1.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (10)
1. The utility model provides an independent carving hole system, includes the needle bar frame, installs many needle bars, the reciprocating lift's of drive needle bar actuating mechanism at the needle bar frame, its characterized in that still includes and does not connect any the carving hole actuating system of needle bar, the needle bar frame can control the translation, arbitrary one bottom is equipped with carving hole sword in the needle bar, carving hole actuating system can drive and move to its drive position the needle bar moves down to the biggest stroke, the needle bar is provided with the drive that resets the needle bar rebound resets.
2. The individual engraving system of claim 1, wherein the engraving drive system comprises a drive shaft driven by a motor to reciprocate in both directions, a swing arm fixed to the drive shaft, a distal end of the swing arm being contactable with a tip of the needle bar.
3. A free-standing engraving system according to claim 2, wherein the distal end of said oscillating arm is provided with a contact member slidably contactable with the tip of said needle bar.
4. A free-standing engraving system according to claim 3, wherein said contact member is provided as a bearing fixedly attached perpendicularly to the distal end of said oscillating arm, the outer race of said bearing being contactable with the tip of the needle shaft.
5. Individual engraving system according to claim 2, characterized in that said driving shaft is provided with a fixed element, said oscillating arm being fixedly connected to said fixed element.
6. The isolated engraving system of claim 5, wherein the fixing member is a clasping hoop.
7. The individual engraving system of claim 1, wherein the restoring member is a restoring spring, and the restoring spring is sleeved on the needle shaft.
8. The self-contained carving hole system of claim 1 wherein the carving knife is mounted indirectly to the needle shaft base.
9. The self-contained carving hole system of claim 1 wherein the carving knife is mounted directly to the needle shaft bottom.
10. An individual engraving system as claimed in any one of claims 1 to 9, wherein the engraving drive system drives the needle rod to move downwards with a maximum stroke and a reciprocating lifting movement frequency adjustable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205456.7A CN111118767A (en) | 2020-03-23 | 2020-03-23 | Independent hole carving system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010205456.7A CN111118767A (en) | 2020-03-23 | 2020-03-23 | Independent hole carving system |
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| CN111118767A true CN111118767A (en) | 2020-05-08 |
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|---|---|---|---|
| CN202010205456.7A Pending CN111118767A (en) | 2020-03-23 | 2020-03-23 | Independent hole carving system |
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| CN107447384A (en) * | 2017-10-07 | 2017-12-08 | 浙江越隆缝制设备有限公司 | The double-colored machine head of embroidery machine of crosspointer with carving hole function |
| CN108049043A (en) * | 2017-11-29 | 2018-05-18 | 诸暨和昶机电科技有限公司 | A kind of independent carving aperture apparatus of embroidery machine |
| CN207933652U (en) * | 2018-01-29 | 2018-10-02 | 浙江德源机电有限公司 | A kind of embroidery machine carving hole knife mounting structure |
| CN108193399A (en) * | 2018-02-06 | 2018-06-22 | 浙江信胜缝制设备有限公司 | A kind of machine head of embroidery machine and multi-function embroidery machine |
| CN211921875U (en) * | 2020-03-23 | 2020-11-13 | 浙江镨美科智能刺绣设备有限公司 | Independent hole carving system |
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