CN217399126U - Arc-shaped track sewing machine - Google Patents

Abstract

The utility model discloses an arc track sewing machine, which comprises a frame, a machine head, a workpiece positioning jig, a translation driving device and a rotation driving device, wherein the machine head, the workpiece positioning jig, the translation driving device and the rotation driving device are arranged on the frame; the rotation driving device comprises a first motor, a spline shaft and a transmission gear sleeved on the spline shaft; the spline shaft can movably pass through the shaft center of the transmission gear in a translation mode in the Y-axis direction; the front end of the spline shaft is rotatably arranged on a jig translation seat and is connected with the workpiece positioning jig through the front end of the spline shaft; the first motor drives the transmission gear to rotate, so that the spline shaft rotates along with the transmission gear, and meanwhile, the workpiece positioning jig swings along with the rotation of the spline shaft; the bottom of the jig translation seat is provided with a first sliding block, the rack is provided with a first Y-axis guide rail, and the first sliding block is arranged in a sliding manner along the first Y-axis guide rail; the translation driving device drives the jig translation seat to translate along the Y-axis direction, and meanwhile, the workpiece positioning jig and the spline shaft translate along the Y-axis direction along with the jig translation seat.

Description

Arc-shaped track sewing machine

Technical Field

The utility model belongs to the technical field of the sewing and specifically relates to indicate an arc orbit sewing machine, it can be used for the brim of a hat etc. to need follow the product sewing processing of work piece arc line of walking.

Background

At present, when a workpiece is sewn, a wire needs to be arranged along the arc shape of the workpiece, the workpiece is usually positioned on a positioning jig, and then the positioning jig is controlled to rotate, so that a sewing machine head sews along the workpiece. The sewing machine who needs follow the work piece arc and walk the line that is used for the brim of a hat etc. now, it takes place the swing through comparatively complicated gear mechanism linkage positioning tool, has some not enoughly, for example: the control precision is not good enough, is difficult to satisfy higher sewing precision requirement, simultaneously, the mechanism is more complicated, and the equipment manufacture is troublesome, is not suitable for popularization and application. And the arc-shaped wiring is matched, and usually the positioning jig is required to be controlled to translate along the Y axial direction, so that how to control the positioning jig to translate stably along the Y axial direction and reduce the shaking is also an important factor for improving the sewing precision.

In addition, because the workpiece is in a three-dimensional arc shape, the positioning jig on the existing sewing equipment can realize the positioning of the workpiece, but the positioning jig still has the problems of poor positioning reliability and the like, and when the workpiece is manually placed in, the operation is troublesome, the time consumption is long, and the overall processing efficiency is influenced. In addition, the positioning jig on the existing sewing equipment can only be used for positioning one workpiece with the same size, and when workpieces with different sizes are processed, different positioning jigs need to be replaced, or a plurality of sewing equipments are prepared for processing workpieces with different sizes.

Therefore, in the present invention, the applicant has studied a new technical solution to solve the above problems.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model discloses to the disappearance that prior art exists, its main objective provides an arc orbit sewing machine, it utilizes the integral key shaft to drive work piece positioning jig rotatory swing, moreover, the steam generator is simple in structure, easy control, control accuracy to swing angle is higher, and simultaneously, be provided with first slider and the cooperation of first Y axial guide rail in the bottom of tool translation seat, when utilizing translation drive arrangement to drive tool translation seat along Y axial translation, work piece positioning jig and integral key shaft follow tool translation seat along Y axial translation together, the translation is stable, avoid rocking, be favorable to improving the sewing precision.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides an arc orbit sewing machine, including the frame with install aircraft nose, work piece positioning jig in the frame, drive work piece positioning jig along the translation drive arrangement of Y axial translation, drive work piece positioning jig can be around the rotatory wobbling rotary drive device of Y axial, wherein:

the rotation driving device comprises a first motor, a spline shaft and a transmission gear sleeved on the spline shaft; the spline shaft can movably pass through the shaft center of the transmission gear in a translation mode in the Y-axis direction; the front end of the spline shaft is rotatably arranged on a jig translation seat and is connected with the workpiece positioning jig through the front end of the spline shaft; the first motor drives the transmission gear to rotate, so that the spline shaft rotates along with the transmission gear, and meanwhile, the workpiece positioning jig swings along with the rotation of the spline shaft;

the bottom of the jig translation seat is provided with a first sliding block, the rack is provided with a first Y-axis guide rail, and the first sliding block is arranged in a sliding manner along the first Y-axis guide rail; the translation driving device drives the jig translation seat to translate along the Y-axis direction, and meanwhile, the workpiece positioning jig and the spline shaft translate along the Y-axis direction along with the jig translation seat.

As an optimal scheme, the first sliding block and the first Y-axis guide rail are arranged in the middle below the jig translation seat.

As a preferred scheme, the workpiece positioning jig is provided with an angle sensing piece, an angle sensor is arranged on the front side of the jig translation seat, the angle sensing piece is located on the front side of the angle sensor, and the angle sensing piece rotates synchronously along with the rotation of the workpiece positioning jig.

As a preferable scheme, the output end of the first motor is connected with a driving gear, and the driving gear is meshed with the transmission gear.

As a preferable scheme, the translation driving device comprises a second motor, a first driving pulley and a first synchronous belt, the second motor drives the first driving pulley to rotate around the X axis, and the first synchronous belt extends along the Y axis and is in transmission connection with the first driving pulley and the first driving pulley;

the jig translation seat is connected with a first extending piece, a second sliding block is arranged on the first extending piece, a second Y-axis guide rail is arranged on the rack, and the second sliding block is arranged in a sliding manner along the second Y-axis guide rail; the first extension piece or the second slide block is connected to the first synchronous belt.

As a preferable scheme, the second motor is further connected with a second driving pulley through an extension transmission shaft, the second driving pulley is connected with a second driving pulley through a second synchronous belt, the jig translation seat is further connected with a second extension piece, a third sliding block is arranged on the second extension piece, a third Y-axis guide rail is arranged on the rack, and the third sliding block is arranged in a sliding manner along the third Y-axis guide rail; the second extending piece or the third sliding block is connected to the second synchronous belt; the first extending piece and the second extending piece are respectively positioned on the left side and the right side of the area where the spline shaft is positioned.

As a preferred scheme, work piece positioning tool work piece is including the bed frame and set up preceding setting element, back left setting element, back right setting element, middle support end piece, middle pressure and hold piece, left side pressure and hold piece and right side pressure and hold the piece on the bed frame, wherein:

the front side of the base frame is provided with a workpiece placing cavity, and a front frame body, a left frame body, a right frame body and a rear frame body which are arranged around the workpiece placing cavity; the front positioning piece is arranged in a protruding mode from the front frame body towards the workpiece placing cavity backwards; the rear left positioning piece and the rear right positioning piece are respectively arranged on the left frame body and the right frame body and are arranged in a protruding mode towards the workpiece placing cavity; the middle bottom supporting piece is positioned below the workpiece placing cavity, the middle pressing and holding piece is correspondingly positioned above the middle bottom supporting piece, and the rear end of the middle pressing and holding piece is connected with a first lifting driving mechanism to control the middle pressing and holding piece to press and hold the workpiece or release pressing and holding; the left side is pressed and is held piece and right side and is pressed and hold the piece and correspond left support body, right support body setting respectively, the left side is pressed and is held the rear end that piece and right side were pressed and hold and be connected with second lift drive mechanism respectively to control left side and press and hold piece and right side and press and hold the piece and press and hold the work piece or remove to press and hold.

As a preferable scheme, the front positioning piece is arranged on the workpiece in a front-back adjustable mode relative to the front frame body; the front positioning piece is provided with a first front and rear adjusting groove, and the front frame body is provided with a first connecting hole; the first connecting hole is arranged corresponding to the first front-back adjusting groove.

As a preferred scheme, the rear left positioning piece and the rear right positioning piece can be arranged in a front-back adjusting mode relative to the left frame body and the right frame body.

As a preferable scheme, the left frame body and the right frame body can be arranged in a left-right adjusting mode relative to the front frame body and the rear frame body;

the left side pressing and holding piece, the right side pressing and holding piece and the corresponding second lifting driving mechanism can be arranged in a left-right adjusting mode.

Compared with the prior art, the utility model has obvious advantages and beneficial effects, concretely speaking, known from the technical scheme, the spline shaft is mainly utilized to drive the workpiece positioning jig to swing in a rotating way, the structure is simple, the control is easy, the control precision of the swing angle is higher, meanwhile, the bottom of the jig translation seat is provided with a first slider which is matched with a first Y-axis guide rail, when the jig translation seat is driven to translate along the Y-axis direction by the translation driving device, the workpiece positioning jig and the spline shaft translate along the Y-axis direction along with the jig translation seat, the translation is stable, the shaking is avoided, and the sewing precision is favorably improved;

secondly, through the bed frame and, preceding locating element, back left side locating element, back right side locating element, the middle bottom piece that holds in the palm, the middle pressure holds the piece, the ingenious design of left side pressure and right side pressure and hold a isotructure, after putting into the work piece, can be to the front of work piece, the back, a left side, right side and bottom form reliable location, the middle pressure holds the piece, the left side is pressed and is held the pressure that the piece was held to the right side and hold the effect, make the work piece compress tightly at last downside, realized adding man-hour location to the work piece, the steam generator is simple in structure, easily production preparation and equipment, and simultaneously, the work piece is put into easy operation, and is swift, be favorable to promoting whole machining efficiency.

To illustrate the structural features and functions of the present invention more clearly, the present invention will be described in detail with reference to the accompanying drawings and specific embodiments.

Drawings

FIG. 1 is a perspective view of an embodiment of the present invention;

FIG. 2 is another perspective view of an embodiment of the present invention (housing not shown);

FIG. 3 is a partial structural view of an embodiment of the present invention (mainly embodying a workpiece positioning jig and a jig translation seat);

FIG. 4 is a side view of the structure shown in FIG. 3;

FIG. 5 is an exploded view of the structure shown in FIG. 3;

fig. 6 is a perspective view of the translation driving device according to the embodiment of the present invention;

fig. 7 is another perspective view of the translation actuator according to the embodiment of the present invention;

fig. 8 is a three-dimensional view illustrating a workpiece positioning fixture according to an embodiment of the present invention;

fig. 9 is another perspective view of the workpiece positioning jig according to the embodiment of the present invention (including the workpiece);

FIG. 10 is an exploded view of a workpiece positioning fixture according to an embodiment of the present invention;

fig. 11 is a structural view of the intermediate pressing member and the first lifting drive mechanism of the workpiece positioning fixture according to the embodiment of the present invention;

fig. 12 is a side view of the intermediate pressing member and the first elevating driving mechanism of the workpiece positioning device according to the embodiment of the present invention;

fig. 13 is a structural diagram of the left pressing member and the second elevation driving mechanism of the workpiece positioning fixture according to the embodiment of the present invention.

The attached drawings indicate the following:

the device comprises a base frame 10, a front frame body 11, a left frame body 12, a right frame body 13, a rear frame body 14, a first arc-shaped adjusting block 141, a second arc-shaped adjusting block 142, a front positioning piece 21, a rear left positioning piece 22, a rear right positioning piece 23, a middle bottom supporting piece 24, a middle pressing piece 25, a left pressing piece 26, a third hinging position 261, a pressing action part 262, a pushed part 263, a right pressing piece 27, a workpiece placing cavity 101, an L-shaped adapter 31, a transverse part 311, a longitudinal part 312, a first hinging position 3121, a second hinging position 3122, a first air cylinder 32, a linkage piece 33, a fixing block 34, a second air cylinder 41 and a workpiece A.

The automatic positioning device comprises a frame 50, a first Y-axis guide rail 51, a second Y-axis guide rail 52, a third Y-axis guide rail 53, a machine head 60, a workpiece positioning jig 70, an angle sensing part 71, a translation driving device 80, a second motor 81, a first transmission pulley 82, a first synchronous belt 83, a first transmission pulley 84, an extension transmission shaft 85, a second transmission pulley 86, a second synchronous belt 87, a second transmission pulley 88, a rotation driving device 90, a spline shaft 91, a transmission gear 92, a connecting piece 93, a jig translation seat 100, a first slider 101, an angle sensor 102, a first extension part 103, a second extension part 104, a second slider 105 and a third slider 106.

Detailed Description

In the description of the present invention, it should be noted that, for the directional words, such as the terms "upper", "lower", "front", "rear", "left", "right", etc., indicating directions and positional relationships are based on the directions or positional relationships shown in the drawings, it is only for convenience of description of the present invention and simplifying the description, but not for indicating or implying that the device or element referred to must have a specific direction, be constructed and operated in a specific direction, and should not be construed as limiting the specific protection scope of the present invention.

Fig. 1 to 13 show a specific structure of an embodiment of the present invention.

The utility model provides an arc orbit sewing machine, includes frame 50 and installs aircraft nose 60, work piece positioning jig 70, the translation drive arrangement 80 of drive work piece positioning jig 70 along the translation of Y axial, drive work piece positioning jig 70 can be around Y axial rotation wobbling rotary drive arrangement 90 that the Y axial, wherein:

the rotation driving device 90 comprises a first motor, a spline shaft 91 and a transmission gear 92 sleeved on the spline shaft 91; the spline shaft 91 can movably move in the Y-axis direction and horizontally move to pass through the shaft center of the transmission gear 92; the front end of the spline shaft 91 is rotatably arranged on a jig translation seat 100 and is connected to the workpiece positioning jig 70 through the front end of the spline shaft 91; here, the front end of the spline shaft 91 is connected to a connector 93, and the connector 93 is rotatable with respect to the jig translation base 100 but the connector 93 does not displace in the Y-axis direction with respect to the jig translation base 100 at least at the time of operation. The first motor drives the transmission gear 92 to rotate, so that the spline shaft 91 rotates along with the transmission gear 92, and meanwhile, the workpiece positioning jig 70 swings along with the rotation of the spline shaft 91; preferably, the output end of the first motor is connected with a driving gear, and the driving gear is meshed with the transmission gear 92; the drive gear is located below the transmission gear 92, which saves space occupied by the rotary drive device 90.

As shown in fig. 3 to 5, a first sliding block 101 is disposed at the bottom of the jig translation seat 100, a first Y-axis guide 51 is disposed on the frame 50, and the first sliding block 101 is slidably disposed along the first Y-axis guide 51; the translation driving device 80 drives the jig translation base 100 to translate along the Y-axis direction, and meanwhile, the workpiece positioning jig 70 and the spline shaft 91 translate along the Y-axis direction along with the jig translation base 100. Preferably, the first slider 101 and the first Y-axis guide rail 51 are both centrally disposed below the jig translation seat 100.

The workpiece positioning fixture 70 is provided with an angle sensor 71, an angle sensor 102 is arranged on the front side of the fixture translation seat 100, the angle sensor 71 is positioned on the front side of the angle sensor 102, and the angle sensor 71 rotates synchronously along with the rotation of the workpiece positioning fixture 70. The signal of the angle sensor 102 is fed back to the controller, and the controller is connected to the first motor and the second motor 81 described below, respectively.

As shown in fig. 6 and 7, the translation driving device 80 includes a second motor 81, a first driving pulley 84, a first driving pulley 82, and a first synchronous belt 83, the second motor 81 drives the first driving pulley 84 to rotate around the X axis, the first synchronous belt extends along the Y axis and is drivingly connected between the first driving pulley 84 and the first driving pulley 82; the jig translation seat 100 is connected with a first extending piece 103, a second sliding block 105 is arranged on the first extending piece 103, a second Y-axis guide rail 52 is arranged on the rack 50, and the second sliding block 105 is arranged along the second Y-axis guide rail 52 in a sliding manner; the first extension member 103 or the second slider 105 is attached to the first timing belt 83.

In order to further improve the stability, the second motor 81 is further connected with a second driving pulley 86 through an extension transmission shaft 85, the second driving pulley 86 is connected to a second driving pulley 88 through a second synchronous belt 87, the jig translation base 100 is further connected with a second extension piece 104, a third sliding block 106 is arranged on the second extension piece 104, a third Y-axis guide rail 53 is arranged on the rack 50, and the third sliding block 106 is slidably arranged along the third Y-axis guide rail 53; the second extension member 104 or the third slide 106 is connected to the second timing belt 87; the first extending piece 103 and the second extending piece 104 are respectively located on the left side and the right side of the region where the spline shaft 91 is located.

As shown in fig. 8 to 13, a workpiece positioning fixture 70 includes a base frame 10, and a front positioning member 21, a rear left positioning member 22, a rear right positioning member 23, a middle bottom supporting member 24, a middle pressing member 25, a left pressing member 26, and a right pressing member 27 disposed on the base frame 10, wherein:

the front side of the base frame 10 is provided with a workpiece placing cavity 101, and a front frame body 11, a left frame body 12, a right frame body 13 and a rear frame body 14 which are arranged around the workpiece placing cavity 101; the front frame body 11 and the rear frame body 14 are both arc-shaped structures which are arched downwards. The front positioning piece 21 is arranged in a protruding mode from the front frame body 11 to the workpiece placing cavity 101; the rear left positioning piece 22 and the rear right positioning piece 23 are respectively arranged on the rear frame body 14 and are arranged in a protruding manner forward towards the workpiece placing cavity 101; the middle bottom supporting piece 24 is positioned below the workpiece placing cavity 101, the middle pressing piece 25 is correspondingly positioned above the middle bottom supporting piece 24, and the rear end of the middle pressing piece 25 is connected with a first lifting driving mechanism to control the middle pressing piece 25 to press and hold the workpiece or release pressing and holding; the left pressing piece 26 and the right pressing piece 27 are respectively arranged corresponding to the left frame body 12 and the right frame body 13, and the rear ends of the left pressing piece 26 and the right pressing piece 27 are respectively connected with a second lifting driving mechanism so as to control the left pressing piece 26 and the right pressing piece 27 to press and hold a workpiece or release pressing and holding.

After putting into work piece A, preceding setting element 21 supports in work piece A's front end, back left side setting element 22, back right side setting element 23 support respectively in work piece A's the left and right sides of rear end, left side support body 12, right support body 13 support in work piece A's the left and right sides in the bottom, the centre holds in the palm bottom 24 and supports in the middle of work piece A's bottom, the centre is pressed and is held 25 and is pressed downwards and locate on work piece A, the left side is pressed and is held 26 and the right side and is pressed and hold 27 and correspond the top that is located left support body 12, right support body 13 respectively, the left side is pressed and is held 26 and the right side is pressed and hold 27 and press respectively and hold in work piece A's left and right-hand member.

The front positioning piece 21 can be arranged in a front-back adjustable manner relative to the front frame body 11; a first front and rear adjusting groove is formed in the front positioning piece 21, and a first connecting hole is formed in the front frame body 11; the first connecting hole is arranged corresponding to the first front-back adjusting groove. The rear left positioning piece 22 and the rear right positioning piece 23 can be arranged in a front-back adjusting manner relative to the left frame body 12 and the right frame body 13; and second connecting holes are formed in the left frame body 12 and the right frame body 13, second front and rear adjusting grooves are formed in the rear left positioning piece 22 and the rear right positioning piece 23, and the second connecting holes are formed corresponding to the second front and rear adjusting grooves. The left frame body 12 and the right frame body 13 can be arranged in a left-right adjusting mode relative to the front frame body 11 and the rear frame body 14; the left pressing piece 26, the right pressing piece 27 and the corresponding second lifting driving mechanism can be arranged in a left-right adjusting mode. Therefore, the workpiece positioning jig 70 can be correspondingly adjusted according to the size of the workpiece, and the universality of the workpiece positioning jig 70 is improved.

The first lifting driving mechanism comprises an L-shaped adaptor 31, a first air cylinder 32 and a linkage 33; the L-shaped adaptor 31 has a transverse portion 311 and a longitudinal portion 312 connected to the rear end of the transverse portion 311, the front end of the transverse portion 311 is connected to the rear end of the intermediate holding portion 25, the longitudinal portion 312 is provided with a first hinge position 3121 and a second hinge position 3122 which are arranged at an upper and lower interval, the telescopic rod of the first cylinder 32 extends forward and is hinged to the first hinge position 3121, the front end of the link 33 is connected to the second hinge position 3122, and the rear end of the link 33 is hinged to a fixed block 34. The middle pressing and holding piece 25 is simple in structure, convenient and flexible to design and install, the middle pressing and holding piece 25 can be better matched with a workpiece, and the pressing and holding effect is better.

The second lifting driving mechanism comprises a second cylinder 41, the left pressing and holding piece 26 and the right pressing and holding piece 27 are both provided with a third hinge position 261, a pressing and holding action part 262 and a pushed part 263 which are respectively positioned at the front side and the rear side of the third hinge position 261, the telescopic rod of the second cylinder 41 extends forwards and is hinged to the pushed part 263, and the left pressing and holding piece 26 and the right pressing and holding piece 27 are both hinged to the rear frame body 14 through the respective third hinge positions 261; here, the left and right sides of the rear frame 14 are respectively provided with a first arc-shaped adjusting block, and the left pressing member 26 and the right pressing member 27 are hinged to the corresponding first arc-shaped adjusting block 141 through respective third hinge positions 261. The first arc-shaped adjusting block 141 is provided with a first left-right adjusting groove, the rear frame body 14 is provided with a third connecting hole, and the left position and the right position of the left pressing piece 26 and the right position of the right pressing piece 27 are adjusted by adjusting the left-right position of the first arc-shaped adjusting block 141. Similarly, the rear of the left and right sides of the rear frame body 14 corresponding to the first arc-shaped adjusting block 141 is further provided with a second arc-shaped adjusting block, the second cylinder 41 is installed on the corresponding second arc-shaped adjusting block 142, the second arc-shaped adjusting block 142 is provided with a second left and right adjusting groove, the rear frame body 14 is provided with a fourth connecting hole, and the position of the second cylinder 41 is adjusted by adjusting the left and right positions of the second arc-shaped adjusting block 142.

The workpiece sewing machine comprises a sewing machine head 60, a positioning jig assembly and a positioning jig driving mechanism, wherein the positioning jig assembly is the workpiece positioning jig 70, the sewing machine head 60 is located above the positioning jig assembly, and the positioning jig driving mechanism drives the positioning jig assembly to rotate.

The working principle/process of the workpiece positioning fixture 70 of the present embodiment is described as follows:

in step 1, in an initial state, the middle pressing and holding member 25, the left pressing and holding member 26 and the right pressing and holding member 27 are all in an inoperative state, and accordingly keep avoiding gaps with the middle bottom supporting member 24, the left frame body 12 and the right frame body 13 for loading the workpiece a.

Step 2, a workpiece A is placed into the workpiece placing cavity 101, the workpiece A is located above the middle bottom supporting piece 24, due to the fact that the workpiece A is flexible, the front end of the workpiece A is propped against by the front positioning piece 21, and the left side and the right side of the rear end of the workpiece A are propped against by the rear left positioning piece 22 and the rear right positioning piece 23 respectively, and therefore installation and positioning of the workpiece A are achieved, and pre-positioning can be achieved; then the first cylinder 32 and the second cylinder 41 are started to work, the middle pressing piece 25 is pressed and held on the upper side of the workpiece a corresponding to the upper part of the middle supporting bottom piece 24, and the left pressing piece 26 and the right pressing piece 27 are pressed and held on the left side edge and the right side edge of the workpiece a corresponding to the upper parts of the left frame body 12 and the right frame body 13, so that the omnibearing positioning of the workpiece a is realized.

And 3, after the workpiece A is installed and positioned, generally controlling the workpiece positioning jig 70 to control rotation, and matching with the sewing machine head 60 to work, so that arc-shaped routing sewing on the workpiece is realized, and the routing is neat and beautiful.

Step 4, when the workpiece A needs to be taken, the middle pressing piece 25, the left pressing piece 26 and the right pressing piece 27 are reset to the initial state by the first air cylinder 32 and the second air cylinder 41, and the workpiece A is manually taken down;

and the processing of the other workpiece is referred to steps 1 to 4, and the process is circulated.

The utility model is mainly designed to utilize the spline shaft 91 to drive the workpiece positioning jig 70 to swing in a rotating manner, the structure is simple, the control is easy, the control precision of the swing angle is high, meanwhile, the bottom of the jig translation seat 100 is provided with the first slider 101 to be matched with the first Y-axis guide rail 51, when the jig translation seat 100 is driven to translate along the Y-axis by the translation driving device 80, the workpiece positioning jig 70 and the spline shaft 91 translate along the Y-axis along with the jig translation seat 100, the translation is stable, the shaking is avoided, and the sewing precision is improved;

secondly, through the bed frame and, preceding locating element, back left side locating element, back right side locating element, the middle bottom piece that holds in the palm, the middle pressure holds the piece, the ingenious design of left side pressure and right side pressure and hold a isotructure, after putting into the work piece, can be to the front of work piece, the back, a left side, right side and bottom form reliable location, the middle pressure holds the piece, the left side is pressed and is held the pressure that the piece was held to the right side and hold the effect, make the work piece compress tightly at last downside, realized adding man-hour location to the work piece, the steam generator is simple in structure, easily production preparation and equipment, and simultaneously, the work piece is put into easy operation, and is swift, be favorable to promoting whole machining efficiency.

The above description is only a preferred embodiment of the present invention, and is not intended to limit the technical scope of the present invention, so that any slight modification, equivalent change and modification made to the above embodiments according to the technical spirit of the present invention are all within the scope of the technical solution of the present invention.

Claims (10)

1. An arc track sewing machine characterized in that: including the frame with install aircraft nose, work piece positioning tool, the translation drive arrangement of drive work piece positioning tool along Y axial translation, drive work piece positioning tool can be around the rotatory wobbling rotary drive arrangement of Y axial, wherein:

the rotation driving device comprises a first motor, a spline shaft and a transmission gear sleeved on the spline shaft; the spline shaft can movably pass through the shaft center of the transmission gear in a translation mode in the Y-axis direction; the front end of the spline shaft is rotatably arranged on a jig translation seat and is connected with the workpiece positioning jig through the front end of the spline shaft; the first motor drives the transmission gear to rotate, so that the spline shaft rotates along with the transmission gear, and meanwhile, the workpiece positioning jig swings along with the rotation of the spline shaft;

the bottom of the jig translation seat is provided with a first sliding block, the rack is provided with a first Y-axis guide rail, and the first sliding block is arranged in a sliding manner along the first Y-axis guide rail; the translation driving device drives the jig translation seat to translate along the Y-axis direction, and meanwhile, the workpiece positioning jig and the spline shaft translate along the Y-axis direction along with the jig translation seat.

2. An arcuate track sewing machine as claimed in claim 1, wherein: the first sliding block and the first Y-axis guide rail are arranged in the middle below the jig translation seat.

3. An arcuate track sewing machine as claimed in claim 1, wherein: the workpiece positioning jig is provided with an angle sensing piece, an angle sensor is arranged on the front side of the jig translation seat, the angle sensing piece is located on the front side of the angle sensor, and the angle sensing piece rotates synchronously along with the rotation of the workpiece positioning jig.

4. An arc track sewing machine according to claim 1, wherein: the output end of the first motor is connected with a driving gear, and the driving gear is meshed with the transmission gear.

5. An arcuate track sewing machine as claimed in claim 1, wherein: the translation driving device comprises a second motor, a first driving belt wheel, a first transmission belt wheel and a first synchronous belt, the second motor drives the first driving belt wheel to rotate around the X axial direction, and the first synchronous belt extends along the Y axial direction and is in transmission connection between the first driving belt wheel and the first transmission belt wheel;

the jig translation seat is connected with a first extending piece, a second sliding block is arranged on the first extending piece, a second Y-axis guide rail is arranged on the rack, and the second sliding block is arranged in a sliding manner along the second Y-axis guide rail; the first extension piece or the second slide block is connected to the first synchronous belt.

6. An arcuate track sewing machine as claimed in claim 5, wherein: the second motor is further connected with a second driving belt wheel through an extension transmission shaft, the second driving belt wheel is connected to a second transmission belt wheel through a second synchronous belt, the jig translation seat is further connected with a second extension piece, a third sliding block is arranged on the second extension piece, a third Y-axis guide rail is arranged on the rack, and the third sliding block is arranged in a sliding manner along the third Y-axis guide rail; the second extending piece or the third sliding block is connected to the second synchronous belt; the first extending piece and the second extending piece are respectively positioned on the left side and the right side of the area where the spline shaft is positioned.

7. An arcuate track sewing machine as claimed in claim 1, wherein: work piece positioning jig work piece is including the bed frame and set up preceding setting element, back left setting element, back right setting element, middle support bottom spare, middle pressure holding piece, left side pressure holding piece and right side pressure holding piece on the bed frame, wherein:

the front side of the base frame is provided with a workpiece placing cavity, and a front frame body, a left frame body, a right frame body and a rear frame body which are arranged around the workpiece placing cavity; the front positioning piece is arranged in a protruding mode from the front frame body towards the workpiece placing cavity backwards; the rear left positioning piece and the rear right positioning piece are respectively arranged on the left frame body and the right frame body and are arranged in a protruding mode towards the workpiece placing cavity; the middle bottom supporting piece is positioned below the workpiece placing cavity, the middle pressing and holding piece is correspondingly positioned above the middle bottom supporting piece, and the rear end of the middle pressing and holding piece is connected with a first lifting driving mechanism to control the middle pressing and holding piece to press and hold the workpiece or release pressing and holding; the left side is pressed and is held piece and right side and is pressed and hold the piece and correspond left support body, right support body setting respectively, the left side is pressed and is held the rear end that piece and right side were pressed and hold and be connected with second lift drive mechanism respectively to control left side and press and hold piece and right side and press and hold the piece and press and hold the work piece or remove to press and hold.

8. An arcuate track sewing machine as defined in claim 7, wherein: the front positioning piece is provided with a workpiece in a front-back adjusting mode relative to the front frame body; a first front and rear adjusting groove is formed in the front positioning piece, and a first connecting hole is formed in the front frame body; the first connecting hole is arranged corresponding to the first front-back adjusting groove.

9. An arcuate track sewing machine as defined in claim 7, wherein: the rear left positioning piece and the rear right positioning piece can be arranged in a front-back adjusting mode relative to the left frame body and the right frame body.

10. An arcuate track sewing machine as defined in claim 7, wherein: the left frame body and the right frame body can be arranged in a left-right adjusting mode relative to the front frame body and the rear frame body;

the left side pressing and holding piece, the right side pressing and holding piece and the corresponding second lifting driving mechanism can be arranged in a left-right adjusting mode.

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