CN212895306U - Double-needle synchronous adhesive tape sewing machine - Google Patents
Double-needle synchronous adhesive tape sewing machine Download PDFInfo
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- CN212895306U CN212895306U CN202021594028.XU CN202021594028U CN212895306U CN 212895306 U CN212895306 U CN 212895306U CN 202021594028 U CN202021594028 U CN 202021594028U CN 212895306 U CN212895306 U CN 212895306U
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Abstract
The utility model relates to a synchronous adhesive tape sewing machine of duplex, including the frame, send line frame and sewing platen, the structure of directly moving has in the frame, directly move the structrual joint and have directly move the pole, directly move and be connected with on the pole the duplex, directly move the structure and be used for driving duplex reciprocating motion in order to sew up adhesive tape and advertisement cloth, still be provided with the motor that just reverses in the frame, the output shaft of the motor that reverses has a pivot, the pivot has the end of keeping away from that leans on near-end and keep away from the motor that reverses near the motor that reverses, it has the swing connecting rod to keep away from the end articulated, the swing connecting rod is used for along fore-and-aft direction reciprocating motion in the motor cycle rotation's of reversing in-process, the swing connecting rod is connected with the pushing member, the bottom of pushing member is provided with and is used for pushing away material tooth that adhesive tape and advertisement cloth after sewing pushed forward by the back, The technical problem of influencing the sewing quality of the advertising cloth.
Description
Technical Field
The utility model relates to a sewing machine technical field, concretely relates to synchronous adhesive tape sewing machine of duplex.
Background
When the advertisement cloth is manufactured, in order to quickly fix the advertisement cloth in a lamp box in the subsequent processing process, adhesive tapes are needed to be sewed on the periphery of the advertisement cloth, the adhesive tapes are mainly sewed by an adhesive tape sewing machine at present, when the advertisement cloth is actually sewed, the adhesive tapes are moved forwards from back to back mainly by means of feeding teeth after reaching the lower part of a presser foot, for example, the feeding driving mechanism of the sewing machine disclosed by the Chinese utility model patent document with the authorization publication number of CN210122619U comprises a motor arranged on a frame, a sewing table plate is arranged below the frame, a feeding hole is arranged on the sewing table plate, a tooth frame is arranged in the feeding hole, the feeding teeth are arranged on the tooth frame, a tooth frame seat is arranged below the tooth frame, the tooth frame seat is connected with a feeding crank, an output shaft of the motor is connected with a rotating shaft, the rotating shaft is connected with the feeding crank, when sewing is carried out, the motor is started, the output shaft, the feeding crank drives the feeding teeth on the tooth frame seat to reciprocate along the front-back direction, and the feeding teeth stir the adhesive tape and the advertisement cloth to push the sewn adhesive tape and the advertisement cloth from back to front.
The feeding teeth in the feeding driving mechanism can conveniently push the adhesive tape and the advertisement cloth forwards from back to front, but in the actual moving process of the adhesive tape and the advertisement cloth, the adhesive tape and the advertisement cloth only receive the acting force from the feeding teeth below, the upper part of the feeding teeth is not stressed, and the adhesive tape and the advertisement cloth are light, so that the sewn advertisement cloth is easy to curl under the condition of uneven upper and lower stress, and subsequent use requirements are difficult to meet.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a synchronous adhesive tape sewing machine of duplex for solve the technical problem that the upper and lower both sides atress of adhesive tape and the advertisement cloth that exist is inhomogeneous among the prior art, influence the advertisement cloth sewing quality.
In order to achieve the above object, the utility model provides a two-needle synchronous adhesive tape sewing machine adopts following technical scheme:
a double-needle synchronous adhesive tape sewing machine comprises a rack, a thread feeding frame positioned beside the rack and a sewing table plate positioned below the rack, wherein the rack is provided with a direct-acting structure which can reciprocate in the up-down direction, the direct-acting structure is connected with a direct-acting rod, the double needles are connected to the direct-acting rod, and the direct-acting structure is used for driving the double needles to reciprocate so as to sew adhesive tapes and advertising cloth;
the sewing machine is characterized in that a forward and reverse rotating motor with an output shaft extending horizontally is further arranged on the rack, the output shaft of the forward and reverse rotating motor is connected with a rotating shaft, the rotating shaft is provided with a near end close to the forward and reverse rotating motor and a far end far away from the forward and reverse rotating motor, the far end is flush with the end surface of one side of the rack close to the double needles, the far end is hinged with a swing connecting rod extending up and down, the swing connecting rod is used for reciprocating movement in the forward and backward direction in the circulating rotation process of the forward and reverse rotating motor, a material pushing piece is connected below the swing connecting rod, and material pushing teeth used for pushing the sewn adhesive tape and the advertising cloth backward; the method is characterized in that the next section of adhesive tape and the advertisement cloth are conveyed, a sewing period is set as a sewing period by means of double-needle downward sewing and sewing withdrawing to an initial position, the pushing tooth and the feeding tooth start to act, the adhesive tape and the advertisement cloth are clamped and released from back to front by a certain distance, and the adhesive tape and the advertisement cloth return to the initial position to be a conveying period, and the sewing period and the conveying period are the same.
The utility model provides a synchronous adhesive tape sewing machine of duplex's beneficial effect is: when the advertisement cloth and the adhesive tape are sewn, the direct-acting structure drives the direct-acting rod to reciprocate in the up-down direction, the double needles on the direct-acting rod simultaneously reciprocate to sew the adhesive tape and the advertisement cloth, simultaneously, the forward-reverse motor is started, the pushing tooth on the pushing piece is driven to reciprocate in the forward-backward direction through the swinging connecting rod to push the adhesive tape and the advertisement cloth from back to front, and the feeding tooth is arranged on the sewing table plate, so that the adhesive tape and the advertisement cloth move from back to front under the double pushing action of the pushing tooth above and the feeding tooth below, and the double actions are simultaneously carried out, namely, the pushing tooth and the feeding tooth simultaneously act on the adhesive tape and the advertisement cloth to realize clamping, after the adhesive tape and the advertisement cloth are conveyed forward for a distance, the adhesive tape and the advertisement cloth are simultaneously loosened and simultaneously retreat to an initial position to carry out the conveying of the next adhesive tape and the advertisement cloth, and the sewing retreat to the initial position after the double needles are taken as a, the device starts to act by the pushing teeth and the feeding teeth, the clamping rubber strip and the advertising cloth are conveyed to the front from back to front for a distance to be loosened and return to the initial position to form a conveying period, and the sewing period and the conveying period are the same, so that the clamping conveying action of the pushing teeth and the feeding teeth is synchronous, the clamping conveying action and the double-needle sewing action can be synchronous.
Furthermore, the swing connecting rod is a three-level connecting rod, and is respectively a first connecting rod which is arranged close to the upper part and is connected with the rotating shaft, a second connecting rod which is hinged with the lower end of the first connecting rod, and a third connecting rod which extends horizontally and is used for connecting the second connecting rod and the material pushing piece. The three-stage connecting rod effectively reduces the rotating speed transmitted by the rotating shaft and avoids the pushing piece from moving too fast.
Furthermore, a threaded hole is formed in one end, far away from the second connecting rod, of the third connecting rod, a through groove matched with the threaded hole is formed in the upper end of the pushing piece, and the pushing piece and the third connecting rod are connected through the through groove and the threaded hole in a matched mode and then are screwed with bolts. The bolt connection has the advantages of simple arrangement and convenient disassembly.
Furthermore, the upper end of the pushing part is provided with a clamping groove used for clamping the corresponding end part of the third connecting rod, and the through groove is formed in the clamping groove. The clamping groove improves the stability of connection of the pushing piece and the third connecting rod.
Further, the bottom plate of material pushing part extends around, the bottom plate is located the below of duplex, the perforation that supplies the duplex to pass has on the bottom plate, and it is provided with to lie in the fenestrate side on the bottom plate push away the material tooth, the size and the adhesive tape adaptation of the left and right sides direction of bottom plate to after satisfying the duplex sewing adhesive tape, push away the material tooth and can contact with the adhesive tape and promote the demand of adhesive tape. The advantage of setting up the bottom plate in the duplex below lies in, can correspond with the pay-off tooth on the sewing platen, conveniently more directly pushes away the adhesive tape and the advertising cloth that the sewing was accomplished from the duplex under to carry out subsequent sewing.
Furthermore, pushing teeth are arranged on the left side and the right side of the through hole on the bottom plate. The feeding effect of the two sections of pushing teeth is better.
Further, the straight pole is gone up and still is provided with the pressure material piece that extends from top to bottom, and the upper portion and the straight pole of pressing the material piece are connected, and the below of pressing the material piece has the clamp plate, be provided with two last lower through of clamp plate, supply the pressure hole that the duplex passed, the size of clamp plate is less than fenestrate size takes place to interfere with the material piece in order to avoid pressing the material piece and pushing the material piece on pushing away the bottom plate of material piece. When the material pressing piece moves downwards to sew with the double needles, the material pressing piece can move downwards along with the double needles to press and support the adhesive tape and the advertising cloth, so that the adhesive tape and the advertising cloth are prevented from deviating, and the double-needle sewing effect is better.
Furthermore, the material pressing piece is connected with the straight moving rod through a bolt, and an embedded groove for clamping the side part of the straight moving rod is arranged above the material pressing piece. The bolt connection has the advantages of simple arrangement and convenient disassembly; the caulking groove improves the stability of the connection of the material pressing piece and the straight moving rod.
Drawings
FIG. 1 is a schematic view of a double needle synchronous rubber strip sewing machine provided by the present invention;
FIG. 2 is an enlarged schematic view of A of FIG. 1;
FIG. 3 is a front view of a pushing member of the double needle synchronous rubber strip sewing machine provided by the present invention;
FIG. 4 is a side view of a pushing member of the double needle synchronous rubber strip sewing machine provided by the present invention;
FIG. 5 is a bottom view of a pushing member of the double needle synchronous rubber strip sewing machine provided by the present invention;
FIG. 6 is a front view of a pushing member of the double needle synchronous rubber strip sewing machine provided by the present invention;
FIG. 7 is a side view of a pushing member of the double needle synchronous rubber strip sewing machine according to the present invention;
fig. 8 is a top view of a pushing member in the double needle synchronous rubber strip sewing machine provided by the present invention.
Reference numbers in the figures: 1. a frame; 2. a wire feeding frame; 3. sewing the table plate; 4. a rotating shaft; 5. pushing the material piece; 6. pushing teeth; 7. a first link; 8. a second link; 9. a through groove; 10. a card slot; 11. a base plate; 12. perforating; 13. pressing the material; 14. pressing a plate; 15. pressing the hole; 16. and (4) caulking grooves.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention clearer, the technical solutions of the present invention will be described in detail below. It is to be understood that the embodiments described are only some embodiments of the invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments:
the utility model provides a two-needle synchronous adhesive tape sewing machine's concrete embodiment:
as shown in figure 1, the double-needle synchronous adhesive tape sewing machine comprises a rack 1, a wire feeding frame 2 located beside the rack 1 and a sewing table plate 3 located below the rack 1, wherein a straight moving structure (not shown in the figure) capable of reciprocating in the up-down direction is arranged on the rack 1, the straight moving structure is connected with a straight moving rod, double needles are connected onto the straight moving rod, and the straight moving structure is used for driving the double needles to reciprocate so as to sew adhesive tapes and advertising cloth. In addition, still be provided with the pay-off hole on the sewing platen 3, the downthehole braces that has of pay-off, be provided with the pay-off tooth on the braces, the braces seat has the braces seat below, the braces seat is connected with the pay-off crank, the output shaft of motor has pivot 4, pivot 4 and this pay-off crank are connected, when sewing, the motor starts, motor output shaft drives pay-off crank reciprocating motion through pivot 4, the pay-off crank drives the pay-off tooth on the braces seat along fore-and-aft direction reciprocating motion, the adhesive tape and advertisement cloth are stirred to the pay-off tooth, the adhesive tape after will sewing and advertisement cloth promote forward by the back, it needs to explain, the content about pay-off tooth has already been explained in the background art to the aforesaid, belong to prior art.
As shown in fig. 1 and 2, a forward and reverse rotation motor with an output shaft extending horizontally is further arranged on the frame 1, the output shaft of the forward and reverse rotation motor is connected with a rotating shaft 4, the rotating shaft 4 is provided with a near end close to the forward and reverse rotation motor and a far end far away from the forward and reverse rotation motor, the far end is flush with one side end surface of the frame 1 close to the double needles, the far end is hinged with a swing connecting rod extending up and down, the swing connecting rod is used for reciprocating movement along the forward and backward direction in the process of the cycle rotation of the forward and reverse rotation motor, a material pushing part 5 is connected below the swing connecting rod, a material pushing tooth 6 for pushing the sewed adhesive tape and advertisement cloth back and forth is arranged at the bottom of the material pushing part 5 for conveying the next adhesive tape and advertisement cloth, the double needles are sewed and then retracted to the initial position to form a sewing period, the material pushing tooth 6 and the material feeding tooth start to act, and returning to the initial position is a conveying period, and the sewing period is the same as the conveying period.
When the advertising cloth and the adhesive tape are sewn, the linear motion structure drives the linear motion rod to reciprocate in the up-down direction, the double needles on the linear motion rod simultaneously reciprocate to sew the adhesive tape and the advertising cloth, simultaneously, the forward-reverse motor is started, the pushing tooth 6 on the pushing piece 5 is driven to reciprocate in the forward-backward direction through the swinging connecting rod to push the adhesive tape and the advertising cloth from back to front, and the feeding tooth is arranged on the sewing table plate 3, so that the adhesive tape and the advertising cloth move from back to front under the double pushing action of the pushing tooth 6 above and the feeding tooth below, and the double actions are simultaneously carried out, namely the pushing tooth 6 and the feeding tooth simultaneously act on the adhesive tape and the advertising cloth to realize clamping, after the adhesive tape and the advertising cloth are conveyed forward for a distance, the adhesive tape and the advertising cloth are simultaneously loosened and simultaneously retreat to the initial position to carry out the next section of the adhesive tape and the advertising cloth, the sewing is carried out by taking the double needles down and the sewing retreats to the, the pushing tooth 6 and the double needles move downwards simultaneously, and the double functions are performed simultaneously, namely the pushing tooth 6 and the feeding tooth act on the adhesive tape and the advertising cloth simultaneously and clamp the adhesive tape and the advertising cloth tightly, after the adhesive tape and the advertising cloth are conveyed forwards for a certain distance, the adhesive tape and the advertising cloth are loosened simultaneously and retreated to the initial position simultaneously to convey the next adhesive tape and the advertising cloth, the double-needle downward sewing and the sewing withdrawing to the initial position are set as a sewing period, the pushing tooth 6 and the feeding tooth start to act, the clamping adhesive tape and the advertising cloth are loosened from the back to the front for a certain distance and return to the initial position is set as a conveying period, and the sewing period and the conveying period are the same, so that the pushing tooth 6 and the feeding tooth clamp the conveying action synchronously and the action of the double-needle sewing can be synchronized simultaneously.
As shown in fig. 1, the swing link is a three-level link, and includes a first link 7 disposed above and connected to the rotating shaft 4, a second link 8 hinged to a lower end of the first link 7, and a third link extending horizontally and connected to the second link 8 and the pushing member 5. The third-level connecting rod effectively reduces the rotating speed transmitted by the rotating shaft 4, and avoids the material pushing part 5 from moving too fast.
In this embodiment, one end of the third connecting rod, which is far away from the second connecting rod 8, is provided with a threaded hole, as shown in fig. 3 to 5, the upper end of the pushing member 5 is provided with a through groove 9 which is aligned with the threaded hole, and the pushing member 5 and the third connecting rod are aligned with the threaded hole through the through groove 9 and then are screwed with a bolt to realize connection. The bolt connection has the advantages of simple arrangement and convenient disassembly, in addition, the upper end of the pushing piece 5 is provided with a clamping groove 10 used for clamping the corresponding end part of the third connecting rod, and a through groove 9 is arranged in the clamping groove 10. The clamping groove 10 improves the stability of the connection between the pushing member 5 and the third connecting rod, in other embodiments, the clamping groove may not be provided, and of course, the pushing member and the third connecting rod may also be connected in a welding manner.
In addition, the bottom plate 11 of the pushing piece 5 extends forwards and backwards, the bottom plate 11 is located below the double needles, the bottom plate 11 is provided with a through hole 12 for the double needles to penetrate through, the pushing teeth 6 are arranged on the side, located on the through hole 12, of the bottom plate 11, the size of the bottom plate 11 in the left and right directions is matched with the rubber strips, and therefore the requirement that the pushing teeth 6 can be in contact with the rubber strips and push the rubber strips after the rubber strips are sewn through the double needles is met. The advantage of setting up bottom plate 11 in the duplex below lies in, can correspond with the pay-off tooth on the sewing platen 3, conveniently more directly pushes away the adhesive tape and the advertising cloth that the sewing was accomplished from the duplex under to carry out subsequent sewing, simultaneously, the left and right sides that lie in perforation 12 on bottom plate 11 all is provided with and pushes away material tooth 6. The feeding effect of the two sections of pushing teeth 6 is better. In other embodiments, the bottom plate may not be disposed directly below the double needle, but may be displaced from the double needle in the front-rear direction.
As shown in fig. 1, 6, 7 and 8, the straight moving rod is further provided with a pressing member 13 extending up and down, the upper part of the pressing member 13 is connected with the straight moving rod, a pressing plate 14 is arranged below the pressing member 13, two pressing holes 15 which are penetrated up and down and are used for the double needles to pass through are arranged on the pressing plate 14, and the size of the pressing plate 14 is smaller than that of the through hole 12 on the bottom plate 11 of the pushing member 5 so as to avoid the interference between the pressing member 13 and the pushing member 5. When the material pressing piece 13 moves down to sew with the double needles, the material pressing piece can move down with the double needles to press and support the adhesive tape and the advertisement cloth, so that the adhesive tape and the advertisement cloth are prevented from deviating, and the double-needle sewing effect is better. Specifically, the material pressing piece 13 is connected to the linear motion rod by a bolt, and a caulking groove 16 for fastening the side portion of the linear motion rod is provided above the material pressing piece 13. The bolt connection has the advantages of simple arrangement and convenient disassembly; the caulking groove 16 improves the stability of the connection of the material pressing piece 13 and the linear motion rod. In other embodiments, the caulking groove may not be provided, and of course, the pressure plate and the linear motion rod may be connected by welding.
The utility model provides a two-needle synchronous adhesive tape sewing machine's theory of operation is: when the advertising cloth and the adhesive tape are sewn, the linear motion structure drives the linear motion rod to reciprocate in the up-down direction, the double needles on the linear motion rod simultaneously reciprocate to sew the adhesive tape and the advertising cloth, simultaneously the forward-reverse motor is started, the material pushing teeth 6 on the material pushing piece 5 are driven to reciprocate in the forward-backward direction through the swinging connecting rod to push the adhesive tape and the advertising cloth back and forth, in addition, the material pressing plate moves back and forth along the up-down direction along with the linear motion rod and can move down along with the double needles to press and support the adhesive tape and the advertising cloth to avoid the adhesive tape and the advertising cloth from deviating, because the material feeding teeth are arranged on the sewing table plate 3, the adhesive tape and the advertising cloth move back and forth under the double pushing action of the material pushing teeth 6 above and the material feeding teeth below, and the double actions are simultaneously carried out, namely, the material pushing teeth 6 and the material feeding teeth simultaneously act on the adhesive tape and the advertising cloth to realize clamping, after the adhesive tape and, the two are loosened simultaneously and retreated to the initial position simultaneously to carry out the conveying of the next section of adhesive tape and the advertising cloth, the double-needle downward sewing is taken as a sewing period, the pushing tooth 6 and the feeding tooth start to act, the adhesive tape and the advertising cloth are clamped and loosened by conveying the adhesive tape and the advertising cloth for a certain distance from back to front, and the adhesive tape and the advertising cloth return to the initial position as a conveying period, the sewing period and the conveying period are the same, so that the clamping and conveying actions of the pushing tooth 6 and the feeding tooth are fully ensured to be synchronous, the actions of the double-needle sewing can be simultaneously synchronized, the phenomenon that the advertising cloth is curled after being sewn is avoided, and the technical problems that the upper side and the lower side of the adhesive tape and the upper side and the lower side of the advertising cloth are stressed unevenly and the.
In the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly and may, for example, be fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.
The foregoing is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, a plurality of modifications and replacements can be made without departing from the technical principle of the present invention, and these modifications and replacements should also be regarded as the protection scope of the present invention.
Claims (8)
1. A double-needle synchronous adhesive tape sewing machine comprises a rack, a thread feeding frame positioned beside the rack and a sewing table plate positioned below the rack, wherein the rack is provided with a direct-acting structure which can reciprocate in the up-down direction, the direct-acting structure is connected with a direct-acting rod, the double needles are connected to the direct-acting rod, and the direct-acting structure is used for driving the double needles to reciprocate so as to sew adhesive tapes and advertising cloth;
the method is characterized in that: the sewing machine is characterized in that a forward and reverse rotating motor with an output shaft extending horizontally is further arranged on the rack, the output shaft of the forward and reverse rotating motor is connected with a rotating shaft, the rotating shaft is provided with a near end close to the forward and reverse rotating motor and a far end far away from the forward and reverse rotating motor, the far end is flush with the end surface of one side of the rack close to the double needles, the far end is hinged with a swing connecting rod extending up and down, the swing connecting rod is used for reciprocating movement in the forward and backward direction in the circulating rotation process of the forward and reverse rotating motor, a material pushing piece is connected below the swing connecting rod, and material pushing teeth used for pushing the sewn adhesive tape and the advertising cloth backward; the method is characterized in that the next section of adhesive tape and the advertisement cloth are conveyed, a sewing period is set as a sewing period by means of double-needle downward sewing and sewing withdrawing to an initial position, the pushing tooth and the feeding tooth start to act, the adhesive tape and the advertisement cloth are clamped and released from back to front by a certain distance, and the adhesive tape and the advertisement cloth return to the initial position to be a conveying period, and the sewing period and the conveying period are the same.
2. The double-needle synchronous rubber strip sewing machine according to claim 1, characterized in that: the swing connecting rod is a three-level connecting rod and is respectively a first connecting rod, a second connecting rod and a third connecting rod, wherein the first connecting rod is arranged close to the upper part and is connected with the rotating shaft, the second connecting rod is hinged with the lower end of the first connecting rod, and the third connecting rod extends horizontally and is used for connecting the second connecting rod and the material pushing part.
3. The double-needle synchronous rubber strip sewing machine according to claim 2, characterized in that: and a threaded hole is formed in one end, far away from the second connecting rod, of the third connecting rod, a through groove which is matched with the threaded hole is formed in the upper end of the material pushing part, and the material pushing part and the third connecting rod are connected through the through groove and the threaded hole in a matched mode and then are screwed with bolts.
4. The double-needle synchronous rubber strip sewing machine according to claim 3, characterized in that: the upper end of the pushing piece is provided with a clamping groove used for clamping the corresponding end part of the third connecting rod, and the through groove is arranged in the clamping groove.
5. The double-needle synchronous rubber strip sewing machine according to any one of claims 1 to 4, characterized in that: the bottom plate of material pushing piece extends around, the bottom plate is located the below of duplex, have the perforation that supplies the duplex to pass on the bottom plate, it is provided with to lie in the fenestrate side on the bottom plate push away the material tooth, the size and the adhesive tape adaptation of the left and right sides direction of bottom plate to after satisfying the duplex sewing adhesive tape, push away the material tooth and can contact with the adhesive tape and promote the demand of adhesive tape.
6. The double-needle synchronous rubber strip sewing machine according to claim 5, characterized in that: the left side and the right side of the through hole on the bottom plate are both provided with pushing teeth.
7. The double-needle synchronous rubber strip sewing machine according to claim 5, characterized in that: the straight pressure material piece that still is provided with the upper and lower extension on moving the pole, the upper portion of pressing the material piece with directly move the pole and be connected, the below of pressing the material piece has the clamp plate, be provided with the pressure hole that two link up from top to bottom, confession double needle passed on the clamp plate, the clamp plate size is less than fenestrate size takes place to interfere with the material piece in order to avoid pressing the material piece and pushing away on the bottom plate of material piece pushes away.
8. The double-needle synchronous rubber strip sewing machine according to claim 7, characterized in that: the material pressing piece is connected with the straight moving rod through a bolt, and an embedding groove for clamping the side part of the straight moving rod is arranged above the material pressing piece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594028.XU CN212895306U (en) | 2021-02-24 | 2021-02-24 | Double-needle synchronous adhesive tape sewing machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021594028.XU CN212895306U (en) | 2021-02-24 | 2021-02-24 | Double-needle synchronous adhesive tape sewing machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212895306U true CN212895306U (en) | 2021-04-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021594028.XU Active CN212895306U (en) | 2021-02-24 | 2021-02-24 | Double-needle synchronous adhesive tape sewing machine |
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| Country | Link |
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| CN (1) | CN212895306U (en) |
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2021
- 2021-02-24 CN CN202021594028.XU patent/CN212895306U/en active Active
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