CN114150445A

CN114150445A - Automatic sewing production line and sewing method for handle of chest expander

Info

Publication number: CN114150445A
Application number: CN202111294780.1A
Authority: CN
Inventors: 金时代
Original assignee: HAIYANG LIBENLI BODY-BUILDING APPARATUS CO LTD
Current assignee: HAIYANG LIBENLI BODY-BUILDING APPARATUS CO LTD
Priority date: 2021-11-03
Filing date: 2021-11-03
Publication date: 2022-03-08
Anticipated expiration: 2041-11-03
Also published as: CN114150445B

Abstract

The invention provides an automatic chest expander handle sewing production line and a sewing method, wherein the automatic chest expander handle sewing production line comprises a fixed-length belt cutting machine, a handle main body feeding machine, a hook connecting ring feeding machine, a material taking mechanism, an entrainment overturning mechanism and a sewing unit; the handle main body is fed to a material taking position by a handle main body feeding machine; the hook connecting ring is fed to a material taking position by the hook connecting ring feeding machine; the material taking mechanism picks up the hook connecting ring and the handle main body and stretches the woven belt to a specific length to be cut; cutting the woven belt clamped by the clamping and overturning mechanism by the fixed-length belt cutting machine; clamping and overturning the woven belt by the clamping and overturning mechanism so as to enable two ends of the woven belt to be connected to be involutive; the belt sewing unit sews the two closed ends of the woven belt to be jointed. The invention realizes the automatic assembly and sewing of the handle of the chest expander, effectively improves the production efficiency, the consistency and the reliability of the product quality and greatly reduces the labor intensity.

Description

Automatic sewing production line and sewing method for handle of chest expander

Technical Field

The invention belongs to the technical field of mechanical equipment, and particularly relates to an automatic gap line and a gap method for a handle of a chest expander.

Background

The chest developer is an appliance suitable for public body-building exercise, and is mainly divided into a spring chest developer and a rubber tube chest developer. The chest developer is generally composed of handles at two ends and an elastic rubber tube or a spring connected between the two handles. Some chest developer, couple chest developer promptly, can dismantle through the couple between its handle and elastic rubber tube or the spring and be connected, make chest developer handle detachable elastic rubber tube or spring, and then hang elastic rubber tube or spring through the couple and take exercise the use on other auxiliary devices for the chest developer uses more in a flexible way.

The handle structure of the hook chest expander is shown in figure 1 and generally comprises a handle main body 1, an annular mesh belt 2 and a hook connecting ring 3, wherein the handle main body 1 is in a circular tube shape with two through ends, the hook connecting ring 2 is generally a D ring, a circular ring or a square ring, the handle main body 1 and the hook connecting ring 2 are arranged on the annular mesh belt 2 in a penetrating mode and can freely move along the circumferential direction of the annular mesh belt 2, so that the use flexibility is improved, and the hook connecting ring 3 is used for hooking and connecting with a hook at the end part of an elastic rubber pipe or a spring.

During the handle production of couple chest expander, usually cut out the bar meshbelt of corresponding length earlier, then wear to establish in proper order on the meshbelt with handle main part and couple go-between, then sew up the both ends joint of bar meshbelt and constitute annular meshbelt. Among the prior art, the equipment is worn to establish by handle main part and couple go-between and the joint of meshbelt is sewed up and is accomplished by the manual work on the meshbelt, and is inefficient, and product quality uniformity and reliability are poor, and intensity of labour is big, can't adapt to the requirement of present automated production trend.

Disclosure of Invention

The invention provides an automatic chest expander handle sewing production line and a chest expander handle sewing method, which can solve the problems of low production efficiency, poor product quality consistency and reliability and high labor intensity of chest expanders in the prior art.

In order to solve the technical problems, the invention provides an automatic sewing production line for a handle of a chest expander, which adopts the technical scheme that the automatic sewing production line for the handle of the chest expander comprises the following steps:

the fixed-length belt cutting machine is used for cutting the woven belt into a strip-shaped woven belt with a specific length;

the handle main body feeding machine is used for conveying the tubular handle main body to a material taking position;

the hook connecting ring feeding machine is used for conveying the hook connecting ring to a material taking position;

the material taking mechanism is used for picking up the handle main body and the hook connecting ring of the material taking position and stretching the woven tape to the specific length;

the clamping belt overturning mechanism is used for enabling the handle main body picked up by the material taking mechanism and the hook connecting ring to penetrate through the strip woven belt to obtain a woven belt to be connected, and overturning two ends of the woven belt to be connected so as to enable the two ends to be closed;

and the belt sewing unit is used for sewing the two closed ends of the woven belt to be jointed so as to form a closed annular woven belt.

The clamping and overturning mechanism comprises:

a second set of longitudinal rails;

the second transverse guide rail group is arranged on the longitudinal slide block of the second longitudinal guide rail group;

the first rotary cylinder is arranged on the transverse sliding block of the second transverse guide rail group;

a first jaw cylinder mounted on a turning portion of the first turning cylinder;

the second rotary cylinder is arranged on the transverse sliding block of the second transverse guide rail group;

a second jaw cylinder mounted on a swivel portion of the second swivel cylinder.

Handle main part material loading machine includes:

the inner bottom surface of the trough is an inclined plane;

the jacking assembly is used for jacking the handle main body in the trough;

and the conveying assembly is connected with the jacking assembly and used for conveying the handle main body jacked by the jacking assembly to the material taking position.

The couple go-between material loading machine is the vibration dish, the discharge gate of vibration dish links up there is the straight line track, the straight line track configuration is the couple go-between is in the straight line track direction rolls the transport down.

The automatic sewing production line of the chest expander handle further comprises:

and the trademark sewing unit is positioned at the upstream side of the fixed-length belt cutting machine and is used for sewing trademarks on the woven belts before the woven belts enter the fixed-length belt cutting machine.

a punching unit located at a downstream side of the band sewing unit for punching holes on the endless woven band.

The invention also provides a sewing method based on the automatic chest developer handle sewing production line, which comprises the following steps:

the handle main body is fed to a material taking position by the handle main body feeding machine;

the hook connecting ring is fed to a material taking position by the hook connecting ring feeding machine;

the material taking mechanism picks up the hook connecting ring and the handle main body at a material taking position and stretches the woven belt to a specific length to be cut;

the clamping and turning mechanism penetrates the hook connecting ring and the handle main body which are picked up by the material taking mechanism on the woven belt which is elongated by the material taking mechanism, and then the clamping and turning mechanism clamps the section of woven belt;

the fixed-length belt cutting machine cuts the section of woven belt clamped by the clamping belt overturning mechanism to obtain a strip-shaped woven belt with a specific length, and the strip-shaped woven belt, the hook connecting ring on the strip-shaped woven belt and the handle main body form a woven belt to be connected;

the clamping and overturning mechanism clamps two ends of the woven belt to be connected and overturns the two ends so as to enable the two ends of the woven belt to be connected to be closed;

and the belt sewing unit sews the two closed ends of the woven belt to be jointed to form a closed annular woven belt.

The method also comprises the step of punching holes at the joint part of the annular woven belt.

The automatic sewing production line and the sewing method for the handle of the chest expander realize the automatic assembly and sewing of the handle of the chest expander, effectively improve the production efficiency and the consistency and reliability of the product quality, and greatly reduce the labor intensity.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

Fig. 1 is a schematic view of a handle structure of a prior art chest expander;

FIG. 2 is a general assembly view of an automated sewing line for a handle of a chest expander according to an embodiment of the present invention;

FIG. 3 is an enlarged view of portion A of FIG. 2;

FIG. 4 is an enlarged view of portion B of FIG. 2;

FIG. 5 is an enlarged view of section C of FIG. 2;

FIG. 6 is a perspective view of a handle body feeder of the automatic chest expander handle sewing line according to the embodiment of the invention;

fig. 7 is a side view of fig. 6.

Reference numerals: 100. a fixed-length belt cutting machine; 200. a handle main body feeding machine; 210. a trough; 211. an inner bottom surface; 212. an avoidance part; 220. a jacking assembly; 221. a jacking plate; 222. a striker plate; 223. the top surface of the striker plate; 224. a top surface of the jacking plate; 230. a delivery assembly; 231. a conveyor belt; 232. a buffering side plate; 233. a stopper side plate; 234. an inclined buffer part; 235. a base plate; 240. a frame; 300. a hook connecting ring feeding machine; 310. a linear track; 400. a material taking mechanism; 410. a first set of longitudinal rails; 411. a longitudinal slide block; 420. a first set of transverse rails; 421. a transverse slide block; 430. a material penetrating part; 431. a penetrating end; 432. a notch; 440. an entrainment assembly; 441. a clamping jaw; 442. a first drive member; 443. a support; 500. a clamping and turning mechanism; 510. a second set of longitudinal rails; 511. a longitudinal slide block; 520. a second set of transverse rails; 521. a transverse slide block; 530. a first swing cylinder; 540. a first jaw cylinder; 550. a second rotary cylinder; 560. a second jaw cylinder; 600. a tape sewing unit; 700. a frame; 800. coiling; 900. a trademark sewing unit; 910. a trademark accommodating groove; 911. a vertical guide groove; 920. a trademark jacking mechanism; 921. jacking driving components; 930. a trademark taking device; 940. a trademark sewing device; 1000. a punching unit; 1100. a roller carrier.

Detailed Description

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

In addition, the technical features involved in the different embodiments of the present invention described below may be combined with each other as long as they do not conflict with each other.

Referring to fig. 2 to 4, the automatic sewing production line for the handle of the chest developer of the embodiment includes a fixed-length belt cutting machine 100, a handle body feeder 200, a hook connecting ring feeder 300, a material taking mechanism 400, an entrainment turning mechanism 500, a belt sewing unit 600 and a frame 700, wherein the fixed-length belt cutting machine 100, the handle body feeder 200, the hook connecting ring feeder 300, the material taking mechanism 400, the entrainment turning mechanism 500, the belt sewing unit 600 and other related components are all arranged on the frame 700.

Wherein, fixed length belt cutting machine 100 is used for cutting out the strip meshbelt of specific length with the meshbelt, and the meshbelt is through the 800 lapping supplied materials of reel that make up the production line head end in this embodiment, cuts out the strip meshbelt of the required length of chest expander handle through fixed length belt cutting machine 100, and the concrete structure of fixed length belt cutting machine 100 can adopt prior art, sets up bearing roller frame 1100 between its and reel 800 to be used for supporting the meshbelt of unreeling and play the effect that prevents the meshbelt off tracking.

The handle body feeder 200 is used to transport the tubular handle body to a take-out position.

Hook connector ring loader 300 is used to transport the hook connector ring to the take-off location.

The material taking mechanism 400 is used for picking up the handle body and the hook connecting ring at the material taking position and stretching the webbing to a specific length, in this embodiment, the free end of the webbing unwound by the reel 800 is pulled and pulled out to a specific length by the material taking mechanism 400.

The clamping belt overturning mechanism 500 is used for penetrating the handle main body picked up by the material taking mechanism 400 and the hook connecting ring on the strip woven belt to obtain a woven belt to be connected, and overturning the two ends of the woven belt to be connected so as to enable the two ends of the woven belt to be connected to be closed and to be connected.

The belt sewing unit 600 is used for sewing the two ends of the to-be-connected woven belt to form a closed annular woven belt, and the tensioner handle provided with a handle main body and a hook connecting ring penetrates through the annular woven belt.

Further, as shown in fig. 3, the take-out mechanism 400 in this embodiment includes a first set of longitudinal rails 410, a first set of cross rails 420, a piercing member 430, and an entrainment assembly 440.

The first cross rail group 420 is provided on the longitudinal slider 411 of the first longitudinal rail group 410 such that the first cross rail group 420 as a whole is movable in the longitudinal direction with the longitudinal slider 411.

The material penetrating component 430 is arranged on the transverse sliding block 421 of the first transverse guide rail group 420, so that the whole material penetrating component 430 can move transversely with the transverse sliding block 421 and longitudinally with the whole first transverse guide rail group 420, namely, the material penetrating component 430 can move transversely and longitudinally to change positions; the material penetrating component 430 is rod-shaped, the diameter of the material penetrating component is smaller than the inner diameter of the handle main body and the inner diameter of the hook connecting ring, one end of the material penetrating component 430 extends into hollow cavities of the hook connecting ring and the handle main body through movement, and therefore the hook connecting ring and the handle main body are arranged on the material penetrating component 430 in a penetrating mode.

The entrainment assembly 440 comprises a clamping jaw 441 capable of being opened and closed and a first driving part 442 for driving the clamping jaw 441 to be opened and closed, the first driving part 442 is arranged on the transverse sliding block 421 of the first transverse guide rail group 420, so that the entrainment assembly 440 can move transversely with the transverse sliding block 421 and longitudinally with the first transverse guide rail group 420 integrally, namely, the entrainment assembly 440 can move transversely or longitudinally with the material passing part 430 synchronously to change positions; when the belt clamping assembly 440 and the material penetrating member 430 move to the webbing position, the first driving member 442 drives the clamping jaw 441 to open, so as to clamp the free end of the webbing, and then the belt clamping assembly 440 moves in the opposite direction along with the material penetrating member 430 to pull out the webbing to reach the specific length to be cut.

This embodiment can realize the automation of handle main part and couple go-between by same feeding agencies 400 and get the material, can also realize pulling out of the automation of meshbelt to cut, improved the degree of automation of producing the line greatly, and simplify the complete machine structure as far as possible.

Further, as shown in fig. 3, the clamping jaw 441 is disposed on the penetrating end 431 of the penetrating member 430 to facilitate clamping the webbing, and when the penetrating member 430 penetrates the hook coupling ring and the handle body, the clamping jaw 441 is closed so as not to prevent the penetrating end 431 of the penetrating member 430 from extending into the annular space of the hook coupling ring and the tubular space of the handle body, that is, the outer diameter of the penetrating end 431 after the clamping jaw 441 is closed should be ensured to be smaller than the inner diameter of the handle body and smaller than the inner diameter of the hook coupling ring.

Specifically, in this embodiment, the material passing member 430 is an elongated hollow rod, two ends of which are through, the first driving member 442 is an air cylinder, and is fixed to the transverse sliding block 421 through a bracket 443, and the other end of the material passing member 430 is fixed to the cylinder of the first driving member 442, so that the material passing member 430 is also fixed to the transverse sliding block 421; the piston rod of the first driving component 442 and the material penetrating component 430 are coaxially arranged and inserted in the hollow space of the material penetrating component 430, the clamping jaw 441 is hinged to a penetrating end 431 of the material penetrating component 430 and located in the material penetrating component 430, the piston rod of the first driving component 442 is connected with one end of the clamping jaw 441 through a hinged connecting rod, a notch 432 is formed in the penetrating end 431 to provide an avoiding space for opening and closing the clamping jaw 441, when the piston rod of the first driving component 442 retracts in a direction away from the clamping jaw 441, the clamping jaw 441 is driven to rotate clockwise to close the material penetrating component 430, when the piston rod of the first driving component 442 extends in a direction close to the clamping jaw 441, the clamping jaw 441 is driven to rotate counterclockwise to open the clamping jaw 441, and a clamping space is formed between the piston rod of the first driving component 442 and the penetrating end 431 of the material penetrating component 430. The opening and closing of the clamping jaws 441 can be realized through the extension and retraction of the piston rods of the first driving parts 442, the cylinder bodies of the first driving parts 442 serve as fixed bases located in the material penetrating parts 430, the piston rods penetrate through the material penetrating parts 430, and the clamping jaws 441 can be closed in the material penetrating parts 430, so that the material penetrating parts 430 and the clamping belt assemblies 440 form an organic whole, the structure is simple and compact, the automatic control is facilitated, and the material taking device is particularly suitable for taking materials of products with small pipe diameters (about 2 cm) such as a handle body.

For the entrainment flipping mechanism 500, as shown in fig. 4, a second set of longitudinal rails 510, a second set of transverse rails 520, a first swing cylinder 530, a first jaw cylinder 540, a second swing cylinder 550, and a second jaw cylinder 560 are included. The second cross rail group 520 is provided on the longitudinal block 511 of the second longitudinal rail group 510 such that the second cross rail group 520 as a whole is movable in the longitudinal direction with the longitudinal block 511. The first rotary cylinder 530 is mounted on the lateral slider 521 of the second lateral rail set 520 such that the first rotary cylinder 530 can move laterally with the lateral slider 521, and the first rotary cylinder 530 can also move longitudinally with the second lateral rail set 520, thereby achieving a variable position of the first rotary cylinder 530 that can move laterally and longitudinally. The first jaw cylinder 540 is installed on the turning part of the first turning cylinder 530, so that the position of the first jaw cylinder can be changed along with the horizontal and vertical changes of the first turning cylinder 530, and the first jaw cylinder can also rotate. Similarly, the second rotary cylinder 550 is mounted on the other transverse slide 521 of the second transverse rail set 520, the second clamping jaw cylinder 560 is mounted on the rotary part of the second rotary cylinder 550, and the second clamping jaw cylinder 560 can change the position along with the transverse and longitudinal directions of the second rotary cylinder 550 and can also realize rotation.

Specifically, the first rotating cylinder 530 and the second rotating cylinder 550 move to the position where the first rotating cylinder 530 and the second rotating cylinder 550 can just clamp the two ends of the strip-shaped woven belt with fixed length to be cut, after the strip-shaped woven belt is cut, the first clamping jaw cylinder 540 and the second clamping jaw cylinder 560 both rotate 180 degrees, so that the two ends of the strip-shaped woven belt are closed, and then the strip-shaped woven belt moves to the position where the belt sewing device 600 is sewn under the driving of the first rotating cylinder 530 and the second rotating cylinder 550 to form a closed annular woven belt. The clamping and turning mechanism 500 can realize the automatic operation of clamping, fixing and turning and folding of the strip-shaped woven belt, so that the subsequent joint sewing operation is facilitated.

As shown in fig. 2, 6 and 7, the handle body feeder 200 includes a frame 240, a trough 210, a jacking assembly 220 and a conveying assembly 230, wherein the trough 210, the jacking assembly 220 and the conveying assembly 230 are all arranged on the frame 240, and are further integrally arranged on a frame 700 through the frame 240.

In this embodiment, the trough 210 is a rectangular trough, the inner bottom surface 211 of the trough 210, that is, the upper surface of the trough bottom plate, is a rectangular inclined plane, after a plurality of tubular handle main bodies are placed in the trough 210, the handle main bodies can roll towards the lower end along the inclined inner bottom surface 211 of the trough 210 and accumulate at the lower end of the inner bottom surface 211, and the axial direction of the handle main bodies is parallel to the extension direction of the lower end edge of the inner bottom surface 211; the jacking assembly 220 is used for jacking the handle main body in the trough 210, the jacking assembly 220 is arranged at the lower end side of the inner bottom surface of the trough 210 and comprises a jacking plate 221, a material baffle 222 fixedly arranged and a second driving part for driving the jacking plate 221 to ascend and descend, an avoiding part 212 for the jacking plate 221 to ascend and descend is formed on the bottom plate of the trough 210, the material baffle 222 is positioned at one side of the jacking plate 221 (specifically, the side departing from the high end of the inner bottom surface 211) and is attached to the jacking plate 221, the top surface 223 of the material baffle 222 is an inclined plane, the inclined direction of the material baffle is consistent with the inclined direction of the inner bottom surface 211 of the trough 210, when the jacking plate 221 descends to the lowest position, the top surface of the material baffle is flush with the lower end of the inner bottom surface 211 of the trough 210, and when the jacking plate 221 ascends to the highest position, the top surface of the material baffle 222 is flush with the high end of the material baffle 222 (namely, the high end of the top surface 223 of the material baffle); the conveying assembly 230 is engaged with the jacking assembly 220, specifically engaged with the striker plate 222, and is used for conveying the handle main body jacked by the jacking assembly 220 to a material taking position, the striker plate 222 is located between the jacking plate 221 and the conveying assembly 230, the conveying assembly 230 includes a conveying belt 231 and a power assembly (not shown), the conveying assembly 230 is located at the top surface 223 of the striker plate 222, and the conveying belt 231 is flush with the lower end of the top surface 223 of the striker plate 222. The second driving member may be a pneumatic cylinder or an electric screw structure, and is not particularly limited herein.

Specifically, the working principle of the handle body feeder 200 is as follows: a plurality of tubular handle main bodies are placed into the trough 210, the handle main bodies roll to the lower end along the inclined inner bottom surface 211 of the trough 210 and are accumulated at the lower end of the inner bottom surface 211, at the moment, the lifting plate 221 is still at the lowest position and is flush with the lower end of the inner bottom surface 211 of the trough 210, the handle main body at the lowest position is positioned on the top surface of the lifting plate 221, the lifting plate 221 drives the handle main body on the lifting plate to ascend when ascending and descending, the material blocking plate 222 plays a role in blocking the material due to the fact that the lifting plate 221 is attached to the material blocking plate 222 in the ascending and descending process, the handle main body at the top of the lifting plate 221 can be prevented from falling down in the ascending process, when the lifting plate 221 is lifted to the highest position, the lifting plate is flush with the high end of the top surface of the material blocking plate 222, the handle main body is separated from the material blocking plate 222, and because the top surface 223 of the material blocking plate 222 is an inclined surface, the handle main bodies can roll to the lower end of the top surface 223 to the conveying belt 231 under the guiding effect of the top surface 223, is conveyed to the material-taking position by the conveyor belt 231.

Further, the top surface 224 of the jacking plate 221 is an inclined plane, and the inclined direction is consistent with the inclined direction of the inner bottom surface 211 of the trough 210, namely the low end is close to the side of the striker plate 222, so that in the process of upward jacking of the jacking plate 221, the handle main body is tightly attached to the side surface of the striker plate 222 under the guiding action of the inclined top surface 224 of the jacking plate, so that the striker plate 222 plays an effective striker role, and compared with a horizontal top surface, the inclined top surface 224 can effectively prevent the handle main body from rolling away from the jacking plate 221 to the other side in the jacking process.

Further, the jacking plate 221 and the material baffle 222 are both obliquely arranged to reduce the overall height of the feeding machine, so that the height and the volume of the whole sewing production line are reduced.

In addition, the supporting part of the conveying assembly 230 comprises a bottom plate 235, and a buffering side plate 232 and a stopping side plate 233 which are respectively positioned at two side parts of the conveying belt 231, wherein the buffering side plate 232 is positioned between the material blocking plate 222 and the conveying belt 231, the buffering side plate 232 is provided with an inclined buffering part 234, the extending direction of the inclined buffering part 234 is parallel to the conveying direction of the conveying belt 231, and the inclined direction is consistent with the inclined direction of the material blocking plate 222; the high end of the inclined buffer part 234 is flush and attached with the low end of the top surface 223 of the striker plate 222, and the low end is positioned above the conveyor belt 231; the extending direction of the stopper side plate 233 is parallel to the conveying direction of the conveyor belt 231, and is located above the conveyor belt 231. When the tubular handle main body is separated from the inclined top surface 223 of the striker plate 222 to roll onto the conveyor belt 231, the tubular handle main body firstly rolls onto the inclined buffering part 234 of the buffering side plate 232, and the inclined buffering part 234 plays a role in buffering the rolling of the handle main body, so that the rolling speed of the handle main body is reduced, the handle main body can be still on the conveyor belt 231 as far as possible, and the handle main body is conveyed to a material taking position along with the conveyor belt 231; the stopper side plate 233 further functions as a stopper for the handle main body rolled onto the conveyor belt 231, preventing the handle main body from continuing to roll off the conveyor belt 231.

Further, the inclination angle of the inclined buffering part 234 is smaller than the inclination angle of the top surface 223 of the striker plate 222, that is, the inclination of the inclined buffering part 234 is gentle, and meanwhile, the width of the inclined buffering part 234 is larger than the width of the top surface 223 of the striker plate 222, so as to prolong the rolling path of the handle body thereon, and further improve the buffering effect on the handle body.

To couple go-between material loading machine 300, it adopts the vibration dish in this embodiment, and the discharge gate of vibration dish links up linear rail 310 simultaneously, and linear rail 310 extends to getting material position department, and linear rail 310 has prolonged the vibration route and has played the guide effect to the couple go-between that the discharge gate came out simultaneously, makes it move to getting the material position in an orderly manner. In this embodiment, the hook connection ring is a circular ring, and the linear rail 310 is configured to roll and convey the hook connection ring under the guidance of the linear rail, for example, the linear rail 310 is a U-shaped rail with an opening facing to the left or right side, rather than an opening facing upwards.

Because some chest expander handles can be sewed with trademarks, in the prior art, the sewing of the trademarks on the chest expander handles is also manually completed, the efficiency is low, and the sewing quality is difficult to guarantee. To address this problem in the prior art, referring to fig. 2 and 5, the tensioner handle automated sewing line of the present embodiment further includes a seam label unit 900, the seam label unit 900 being located on the upstream side of the tape length cutting machine 100, and sewing a label on the webbing before the webbing enters the tape length cutting machine 100.

Specifically, as shown in fig. 5, the trademark sewing unit 900 includes a trademark accommodating groove 910, a trademark taking device 930, and a trademark sewing device 940, wherein a plurality of trademarks are stacked up and down in the trademark accommodating groove 910, the webbing from the reel 800 and between the reel 800 and the fixed-length tape cutting machine 100 is stationary at a trademark sewing position corresponding to the trademark sewing device 940 when passing through the trademark sewing position, the trademarks in the trademark accommodating groove 910 are taken out one by the trademark taking device 930 and placed on the webbing at the trademark sewing position, the trademark sewing device 940 sews the trademarks, and after the trademarks are sewn, the webbing continues to travel by the driving of the taking device 400, and the trademark sewing unit 900 continues to sew the trademarks at the upper and lower positions of the webbing, and so on. The groove-shaped outline of the trademark accommodating groove 910 is matched with the outline of the trademark so as to position the placed trademarks and place the trademarks in order; the trademark taking device 930 is specifically a sucker taking manipulator which can move in multiple dimensions to meet the trademark taking and placing requirements, and the trademark sewing device 940 is a computer sewing machine.

Further, since a plurality of trademarks are stacked up and down in the trademark accommodating groove, the positions of the trademarks in the vertical direction are different, if the positions of the trademarks in the vertical direction are not changed, the material taking suction cup of the trademark material taking device 930 can smoothly take the materials, and the material taking suction cup can move up and down. In order to solve the technical problem, the trademark taking device 930 in this embodiment employs a conventional suction cup taking manipulator, the taking position is fixed, the trademark jacking mechanism 920 is disposed at the trademark containing groove 910, and the trademark jacking mechanism 920 jacks up the trademarks stacked in the trademark containing groove 910, so that the trademarks on the top layer are always at the same height, thereby ensuring that the trademark taking device 930 can take materials smoothly.

Specifically, trademark climbing mechanism 920 includes jacking driver part 921 and trademark tray (visual angle reason is not shown), jacking driver part 921 is fixed to be set up, the output end at jacking driver part 921 is set up and linked firmly to the trademark tray level, realize going up and down by jacking driver part 921 drive, the trademark tray stretches into in the trademark storage tank 910 simultaneously, a plurality of trademarks pile up and put on the trademark tray, the back is taked away by trademark extracting device 930 to the superiors' trademark that is in the material position, jacking driver part 921 action drive trademark tray drives the trademark to drive the trademark to shift up, make the trademark of superiors this moment reach and get the material position, so reciprocal, until the lowest layer trademark is taken away, pile up again and put new trademark.

The trademark jacking mechanism 920 can be fixedly arranged at the bottom or the side of the trademark containing groove 910, in this embodiment, the trademark jacking mechanism is located at the side of the trademark containing groove 910, specifically, a vertically upward cylinder is arranged, one part of the trademark tray is located at the outer side of the trademark containing groove 910, the other part of the trademark tray is a main bearing part and located inside the trademark containing groove 910, a vertical guide groove 911 is formed in the side wall of the trademark containing groove 910, on one hand, the trademark tray is avoided from extending out, and on the other hand, the guide effect on the lifting of the trademark tray is achieved.

In order to enhance the structural strength of the handle of the chest developer, some chest developer handles are perforated at the joint part of the annular braid so as to be convenient for installing air holes or other auxiliary materials. In order to simultaneously realize the automatic operation of punching, the automatic sewing line for the handle of the chest expander in the embodiment further comprises a punching unit 1000 which is located at the downstream side of the tape sewing unit 600 to punch a hole on the closed annular fabric tape which is sewed by the tape sewing unit 600, so far, the handle main body and the hook connecting ring are arranged on the annular fabric tape in a penetrating manner, and the chest expander handle with the punched hole is arranged on the annular fabric tape.

When the automatic chest expander handle sewing production line is adopted to sew the chest expander handle, the sewing method specifically comprises the following steps:

the handle main body is fed to a material taking position by a handle main body feeding machine 200;

the hook connecting ring is fed to a material taking position by a hook connecting ring feeding machine 300;

the material taking mechanism 400 picks up the hook connecting ring and the handle main body at the material taking position and stretches the mesh belt to a specific length to be cut;

the clamping and overturning mechanism 500 penetrates a hook connecting ring and a handle body picked up by the material taking mechanism 400 on the woven belt elongated by the material taking mechanism 400, and then the clamping and overturning mechanism 500 clamps the woven belt;

the fixed-length belt cutting machine 100 cuts the section of the woven belt clamped by the clamping and overturning mechanism 500 to obtain a strip-shaped woven belt with a specific length, and the strip-shaped woven belt, the hook connecting ring on the strip-shaped woven belt and the handle main body form a woven belt to be connected;

the clamping and overturning mechanism 500 clamps and overturns two ends of the woven belt to be jointed so as to enable the two ends of the woven belt to be jointed to be involuted;

the belt sewing unit 600 sews the two closed ends of the woven belt to be connected to form a closed annular woven belt, and thus a tensioner handle with a handle main body and a hook connecting ring penetrating through the closed annular woven belt is formed.

If the joint portion of the annular webbing of the tensioner handle needs to be punched, the sewing method in this embodiment further includes a step of punching a hole in the joint portion of the annular webbing, and the hole is punched in the joint portion of the annular webbing after the belt sewing unit 600 sews the belt.

In addition, if a trademark needs to be sewn on the annular mesh belt of the puller handle, the sewing method of the embodiment further comprises the step of sewing the trademark on the mesh belt, the material taking mechanism 400 picks up the hook connecting ring and the handle body at the material taking position, and after the mesh belt is elongated to a specific length to be cut, the trademark is sewn on the position of the trademark sewn on the mesh belt before the clamping and overturning mechanism 500 acts.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. The utility model provides an automatic production line of making up of chest expander handle which characterized in that includes:

2. The chest developer handle automated sewing line of claim 1, wherein the entrainment and flipping mechanism comprises:

a second set of longitudinal rails;

3. The automatic sewing line of a chest expander handle according to claim 1, wherein said handle body feeder comprises:

the inner bottom surface of the trough is an inclined plane;

the jacking assembly is used for jacking the handle main body in the trough;

4. The automatic sewing line of a chest expander handle according to claim 1,

5. The automated chest developer handle sewing line of claim 1, further comprising:

6. The automated chest developer handle sewing line of claim 1, further comprising:

7. A sewing method based on the automatic chest expander handle sewing production line of any one of claims 1 to 6, characterized by comprising the following steps:

8. The sewing method of claim 7,