CN211747258U - Automatic flanging machine adopting cam to drive flanging - Google Patents

Abstract

The utility model discloses an automatic flanging machine adopting cam drive flanging, which comprises a flanging cam device and a template moving mechanism, wherein the flanging cam device comprises a rotating main shaft, a flanging mechanism, a hammering mechanism, a flanging head and a first cam auxiliary assembly, and the flanging head is connected to the rotating main shaft through the first cam auxiliary assembly; the flanging mechanism comprises a flanging paw, a second cam pair component and a third cam pair, the flanging paw is connected to the rotating main shaft through the second cam pair component, and the flanging paw is also connected to the rotating main shaft through the third cam pair component; the edge hammering mechanism comprises an edge hammering head and a fourth cam pair assembly, and the edge hammering head is connected to the rotating main shaft through the fourth cam pair assembly. According to the automatic flanging machine, the plurality of cam pair assemblies on the rotating main shaft drive the respective process assemblies to sequentially execute corresponding process actions, so that the flanging efficiency and the flanging precision are greatly improved.

Description

Automatic flanging machine adopting cam to drive flanging

Technical Field

The utility model relates to a mechanical automation field especially relates to an adopt automatic flanging machine of cam drive hem.

Background

The edge folding machine is special sewing equipment for folding the edge of a fabric to be processed, such as leather or clothes. The existing flanging machine is semi-automatic, and the flanging efficiency and the flanging precision are very low.

SUMMERY OF THE UTILITY MODEL

In order to solve the defects of the prior art, the utility model provides an adopt automatic flanging machine of cam drive hem drives process subassembly separately through rotating main epaxial a plurality of cam subassemblies and carries out corresponding process action in proper order, has improved hem efficiency and hem precision greatly.

The utility model discloses the technical problem that will solve realizes through following technical scheme:

an automatic flanging machine adopting a cam to drive flanging comprises a flanging cam device and a template moving mechanism, wherein,

the template moving mechanism is used for driving a fabric template clamping the fabric to be folded to move on an XY plane so as to be used for folding the edge of the edge folding cam device, and the XY plane is parallel to the plane of the fabric to be folded;

the flanging cam device comprises a rotating main shaft, a blank pressing mechanism, a flanging mechanism and a hammering mechanism, wherein,

the edge pressing mechanism comprises an edge pressing head and a first cam pair assembly, and the edge pressing head is connected to the rotating main shaft through the first cam pair assembly so as to translate and press the inner side of the edge of the fabric to be folded along the Z axis and limit the folding line position of the fabric to be folded;

the flanging mechanism comprises a flanging paw, a second cam pair component and a third cam pair, the flanging paw is connected to the rotating main shaft through the second cam pair component and the third cam pair component so as to translate along the Z axis and swing inwards and outwards along the flanging direction, and the edge of the fabric to be folded, which is tilted upwards, is folded inwards at the folding line position to form a folded edge;

the edge hammering mechanism comprises an edge hammering head and a fourth cam pair assembly, the edge hammering head is connected to the rotating main shaft through the fourth cam pair assembly so as to translate and hammer the folded edge of the to-be-folded fabric, which is folded inwards, along the Z axis, and the folded edge of the to-be-folded fabric is tightly adhered;

the Z axis is vertical to the plane of the fabric to be folded.

Further, still include:

collude limit mechanism including colluding the limit head and colluding limit drive assembly, collude limit drive assembly with collude the limit head and be connected, in order to drive collude the limit head and stretch into treat the marginal outside bottom of rolling over the surface fabric, make treat the edge perk that makes upwards of rolling over the surface fabric.

Furthermore, collude limit drive assembly and include Z axle removal subassembly and Z axle rotating assembly, Z axle removal subassembly is used for driving collude the limit head and follow the translation of Z axle, Z axle rotating assembly is used for driving collude the limit head around the rotation of Z axle, Z axle perpendicular to treat the plane at a roll over the surface at surface material place.

Furthermore, collude limit drive assembly still with blank pressing mechanism, turn-ups mechanism and hammer limit mechanism are connected, in order to drive blank pressing mechanism, turn-ups mechanism and hammer limit mechanism with collude limit head simultaneous movement.

Furthermore, the first cam subassembly comprises a first cam, a first driven swing rod and a first moving member, the first cam is sleeved outside the rotating main shaft, the first driven swing rod and the first cam act to swing, the first driven swing rod is further connected with the first moving member in a rotating mode so as to drive the first moving member to translate along the Z axis during swinging, and the blank pressing head is arranged on the first moving member and translates along the Z axis along with the first moving member.

Further, the first moving member is connected to a fixed member through a first return spring, so that the first cam assembly is returned by an elastic force of the first return spring after the driving force is removed.

Furthermore, the second cam subassembly comprises a second cam, a second driven swing rod and a second moving member, the second cam is sleeved outside the rotating main shaft, the second driven swing rod and the second cam act to swing, and the second driven swing rod is further rotatably connected with the second moving member so as to drive the second moving member to translate along the Z axis when swinging; the third cam subassembly comprises a third cam and a third driven swing rod, the third cam is sleeved outside the rotating main shaft, the third driven swing rod and the third cam act to swing, the third driven swing rod is further rotatably connected to the second moving member and translates along the Z axis along with the second moving member, and the flanging paw is arranged on the third driven swing rod and swings inside and outside and translates along the Z axis along with the third driven swing rod.

Further, the second moving member is connected to a fixed member through a second return spring, so that the second cam assembly is returned through the elastic force of the second return spring after the driving force is removed; and the third driven swing rod is connected to the second moving member through a third return spring, so that the third cam pair assembly is reset through the elastic force of the third return spring after the driving force is removed.

Further, the fourth cam subassembly comprises a fourth cam, a fourth driven swing rod, a fourth moving member and a fifth driven swing rod, the fourth cam is sleeved on the rotating main shaft, the fourth driven swing rod and the fourth cam act to swing, the fourth driven swing rod is rotatably connected with the fourth moving member to drive the fourth moving member to translate along the Z axis when swinging, the fourth moving member is rotatably connected with the fifth driven swing rod to drive the fifth driven swing rod to swing when translating, and the hammer head is rotatably connected with the fifth driven swing rod to drive the fifth driven swing rod to translate along the Z axis when swinging.

Further, the hammer head is connected to a fixing member through a fourth return spring, so that the fourth cam pair assembly can be returned through the elastic force of the fourth return spring after the driving force is removed.

The utility model discloses following beneficial effect has: the automatic flanging machine adopts full automation, and the rotary main shaft is simultaneously connected with the cam sub-assemblies of the edge pressing mechanism, the flanging mechanism and the edge hammering mechanism so as to drive the edge pressing mechanism, the flanging mechanism and the edge hammering mechanism to sequentially execute corresponding process actions, thereby greatly improving the flanging efficiency and the flanging precision.

Drawings

Fig. 1 is a schematic view of an automatic edge folding machine provided by the present invention;

fig. 2 is a schematic view of a moving mechanism of a template in the automatic flanging machine provided by the present invention;

fig. 3 is a schematic view of a hemming cam apparatus provided in the present invention;

fig. 4 is another schematic view of the hemming cam apparatus provided in the present invention;

fig. 5 is an internal schematic view of a hemming cam apparatus provided by the present invention;

fig. 6 is another schematic internal view of the hemming cam apparatus provided in the present invention;

fig. 7 is a schematic view of a rotating spindle in the hemming cam apparatus provided by the present invention;

fig. 8 is a schematic view of a side hooking mechanism and a side pressing mechanism in the hemming cam apparatus provided by the present invention;

fig. 9 is a schematic view of a flanging mechanism in the flanging cam device provided by the present invention;

fig. 10 is another schematic view of the flanging mechanism in the flanging cam device provided by the present invention;

fig. 11 is a schematic view of a hammering mechanism in the hemming cam apparatus provided by the present invention;

fig. 12 is a top view of the edge hooking head, the edge pressing head, the edge turning claw and the edge hammering head of the edge folding cam device provided by the present invention;

fig. 13 is a schematic view of the matching between the edge hooking head and the edge pressing head of the edge folding cam device provided by the present invention;

fig. 14 is a block diagram of the steps of the automatic hemming method provided by the utility model;

fig. 15 is a working principle diagram of the automatic flanging machine provided by the utility model.

Detailed Description

The present invention will be described in detail with reference to the accompanying drawings and examples.

Example one

As shown in fig. 3-6, a hemming cam apparatus includes a rotating main shaft 8, a hemming mechanism 1, a blank pressing mechanism 2, a flanging mechanism 3, and a hammering mechanism 4, wherein,

the edge hooking mechanism 1 comprises an edge hooking head 11 and an edge hooking driving component, and the edge hooking driving component is connected with the edge hooking head 11 so as to drive the edge hooking head 11 to extend into the bottom of the outer side of the edge of the fabric to be folded, so that the edge of the fabric to be folded is tilted upwards;

the edge pressing mechanism 2 comprises an edge pressing head 21 and a first cam pair component, wherein the edge pressing head 21 is connected to the rotating main shaft 8 through the first cam pair component so as to translate and press the inner side of the edge of the fabric to be folded along the Z axis and limit the folding line position of the fabric to be folded;

the flanging mechanism 3 comprises a flanging paw 31, a second cam pair component and a third cam pair, wherein the flanging paw 31 is connected to the rotating main shaft 8 through the second cam pair component and the third cam pair component so as to translate along the Z axis and swing inwards and outwards along the flanging direction, and the edge of the fabric to be folded, which is tilted upwards, is folded inwards at the folding line position to form a folded edge;

the edge hammering mechanism 4 comprises an edge hammering head 41 and a fourth cam pair component, and the edge hammering head 41 is connected to the rotating main shaft 8 through the fourth cam pair component so as to translate and hammer the folded edge of the fabric to be folded, which is folded inwards, along the Z axis to enable the folded edge of the fabric to be folded to be adhered tightly;

the Z axis is vertical to the plane of the fabric to be folded.

The edge folding cam device adopts full automation, and is connected with the cam sub-assemblies of the edge pressing mechanism 2, the edge folding mechanism 3 and the edge hammering mechanism 4 through the rotating main shaft 8 so as to drive the edge pressing mechanism 2, the edge folding mechanism 3 and the edge hammering mechanism 4 to sequentially execute corresponding process actions, thereby greatly improving the edge folding efficiency and the edge folding precision.

During operation firstly through collude limit mechanism 1 and collude the edge outside of treating a surface fabric, then pass through blank pressing mechanism 2 compresses tightly treat the edge inboard of a surface fabric, collude limit mechanism 1 and blank pressing mechanism 2 and have injectd jointly treat the hem width of a surface fabric, then pass through turn-ups mechanism 3 will treat that the edge of a surface fabric upwarping turns over inwards and turns over and form the hem, pass through at last hammer 4 hammer presses treat that the hem that a surface fabric turned over inwards makes the hem glue tightly (treat that the edge surface of a surface fabric scribbles the viscose), accomplish the hem technology, decompose whole hem technology into colluding limit, blank pressing, turn-ups and hammer the limit four automatic processes, improved hem efficiency and hem precision greatly.

When the fabric folding device works, the edge hooking driving component drives the edge hooking head 11 to extend into the bottom of the outer side of the edge of the fabric to be folded and abut against the edge of the fabric to be folded to enable the fabric to be folded to be tilted upwards, so that as shown in fig. 13, the side surface of the edge hooking head 11 opposite to the fabric to be folded is an inward-concave arc surface, and the edge of the fabric to be folded can be tilted upwards along the inward-concave arc surface of the edge hooking head 11.

Collude limit drive assembly and include Z axle removal subassembly 6 and Z axle rotating assembly 5, Z axle removal subassembly 6 is used for the drive collude limit head 11 along Z axle translation, Z axle rotating assembly 5 is used for the drive collude limit head 11 around Z rotation of axes, Z axle perpendicular to treat the plane at a roll over surface fabric place.

In specific implementation, the Z-axis moving assembly 6 is connected to an output end of the Z-axis rotating assembly 5, the Z-axis rotating assembly 5 drives the edge hooking mechanism 1 to rotate around the Z-axis, and the edge hooking mechanism 1 is arranged on the Z-axis moving assembly 6, is driven by the Z-axis moving assembly 6 to translate along the Z-axis and rotates around the Z-axis along with the Z-axis moving assembly 6; or, the Z-axis rotating assembly 5 is arranged on the Z-axis moving assembly 6, and is driven by the Z-axis moving assembly 6 to translate along the Z-axis, the edge hooking mechanism 1 is connected to the output end of the Z-axis rotating assembly 5, and is driven by the Z-axis rotating assembly 5 to rotate around the Z-axis and translate along the Z-axis along with the Z-axis rotating assembly 5.

In this embodiment, the Z-axis rotating component 5 is disposed on the Z-axis moving component 6, and the edge hooking mechanism 1 is connected to an output end of the Z-axis rotating component 5. The Z-axis moving assembly 6 is driven by an air cylinder, the Z-axis rotating assembly 5 translates on the guide rail, and the Z-axis rotating assembly 5 is connected to the edge hooking mechanism 1 through a transmission belt by a motor.

Before the fabric to be folded starts to be folded, the edge hooking head 11 is matched with rotation around the Z axis through translation along the Z axis, extends into the bottom of the outer side of the edge of the fabric to be folded, and only the edge pressing mechanism 2, the edge folding mechanism 3 and the edge hammering mechanism 4 repeatedly execute corresponding processes in the process of folding each point on the edge of the fabric to be folded, the edge hooking head 11 is always located at the bottom of the outer side of the edge of the fabric to be folded and does not leave any more, and the edge hooking head rotates only according to the edge profile of the fabric to be folded so as to adjust the edge hooking angle until the whole edge of the fabric to be folded is folded.

In this embodiment, Z axle removes subassembly 6 and adopts cylinder and slide rail to cooperate, Z axle rotating assembly 5 adopts the motor and rotates the belt and cooperate, collude limit head 11 directly with Z axle rotating assembly 5's output is connected, and Z axle rotating assembly 5 of telling locates on the Z axle removes subassembly 6.

The edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 can be driven by different rotating assemblies respectively to rotate around the Z axis, but preferably the Z axis rotating assembly 5 of the edge hooking mechanism 1 is shared in the embodiment so that the edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 can rotate synchronously with the edge hooking head.

In this embodiment, the edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 are simultaneously connected to the Z-axis rotating assembly 5, so that when the edge hooking head 11 rotates, the edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 can synchronously rotate along with the rotation; furthermore, the edge pressing mechanism 2, the edge turning mechanism 3 and the edge hammering mechanism 4 are also simultaneously connected to the Z-axis moving assembly 6, so that when the edge hooking head 11 translates along the Z axis, the edge pressing mechanism 2, the edge turning mechanism 3 and the edge hammering mechanism 4 can translate synchronously; namely, the edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 are simultaneously connected to the edge hooking driving assembly, so that when the edge hooking head 11 moves (translates along the Z axis and rotates around the Z axis), the edge pressing mechanism 2, the flanging mechanism 3 and the edge hammering mechanism 4 can follow the synchronous motion.

Specifically, this hem cam gear includes an assembly support 7, collude limit head 11, blank pressing mechanism 2, turn-ups mechanism 3 and hammer limit mechanism 4 all assemble in on the assembly support 7, collude limit actuating mechanism's output connect in assembly support 7, through the drive assembly support 7 carries out translation and rotation, and then drives collude limit head 11, blank pressing mechanism 2, turn-ups mechanism 3 and hammer limit mechanism 4 synchronous translation and rotation.

In this embodiment, the mounting bracket 7 is a mounting box, and the rotating main shaft 8, the first cam pair assembly, the second cam pair assembly, the third cam pair assembly and the fourth cam pair assembly are all accommodated in the mounting box.

In this embodiment, as shown in fig. 8, the first cam subassembly includes a first cam 22, a first driven swing rod 23 and a first moving member 24, the first cam 22 is sleeved outside the rotating main shaft 8, the first driven swing rod 23 and the first cam 22 act to swing, the first driven swing rod 23 is further rotatably connected to the first moving member 24 to drive the first moving member 24 to translate along the Z axis during swinging, and the edge pressing head 21 is disposed on the first moving member 24 to translate along the Z axis together with the first moving member 24.

The first moving member 24 is connected to a fixed member (mounting bracket 7) by a first return spring 25, so that the first cam sub-assembly is returned by the elastic force of the first return spring 25 after the driving force is removed.

As shown in fig. 9 and 10, the second cam subassembly includes a second cam 32, a second driven swing link 33 and a second moving member 34, the second cam 32 is sleeved outside the rotating main shaft 8, the second driven swing link 33 and the second cam 32 act to swing, and the second driven swing link 33 is further rotatably connected to the second moving member 34 to drive the second moving member 34 to translate along the Z axis when swinging; the second cam pair component comprises a third cam 35 and a third driven swing rod 36, the third cam 35 is sleeved outside the rotating main shaft 8, the third driven swing rod 36 and the third cam 35 act to swing, the third driven swing rod 36 is further rotatably connected to the second moving member 34 and translates along the Z axis along with the second moving member 34, and the flanging paw 31 is arranged on the third driven swing rod 36 and swings inside and outside and translates along the Z axis along with the third driven swing rod 36.

The second moving member 34 is connected to a fixed member (mounting bracket 7) by a second return spring 37, so that the second cam sub-assembly is returned by the elastic force of the second return spring 37 after the driving force is removed. The third driven swing link 36 is connected to the second moving member 34 through a third return spring (not shown), so that the second cam sub-assembly is returned by the elastic force of the third return spring after the driving force is removed.

As shown in fig. 11, the fourth cam subassembly includes a fourth cam 42, a fourth driven swing link 43, a fourth moving member 44 and a fifth driven swing link 45, the fourth cam 42 is sleeved outside the rotating spindle 8, the fourth driven swing link 43 and the fourth cam 42 act to swing, the fourth driven swing link 43 is further rotatably connected to the fourth moving member 44 to drive the fourth moving member 44 to move in a horizontal direction when swinging, the fourth moving member 44 is further rotatably connected to the fifth driven swing link 45 to drive the fifth driven swing link 45 to swing in a horizontal direction, and the hammer head 41 is rotatably connected to the fifth driven swing link 45 to drive the fifth driven swing link 45 to move in a horizontal direction when swinging.

The hammer head 41 is connected to a fixing member (mounting bracket 7) by a fourth return spring 46, so that the fourth cam sub-assembly can be returned by the elastic force of the fourth return spring 46 after the driving force is removed.

As shown in fig. 7, the first cam 22, the second cam 32, the third cam 35, and the fourth cam 42 are coaxial with the rotation main shaft 8, and are connected to the rotation driving motor 9 through the rotation main shaft 8.

The position of the edge hooking head 11 is lower than that of the edge pressing head 21, so that when edges are hooked, the fabric to be folded can enter a gap between the edge hooking head 11 and the edge pressing head 21.

Meanwhile, because the distance between the edge hooking head 11 and the edge pressing head 21 along the folding width is small, the fabric to be folded is inconvenient to enter during edge hooking, therefore, as shown in fig. 12, the bottom of the edge hooking head 11 extends outwards at two adjacent sides to form an extending part 1101, and the extending part 1101 and the side surface of the edge hooking head 11 are transited through the concave arc surface; the edge pressing head 21 is located on one side of the extension part 1101, when the edge is hooked, one side of the extension part 1101, which is not opposite to the edge pressing head 21 (and is opposite to the edge turning claw 31 of the edge turning mechanism 3), extends into the bottom of the outer side of the edge of the fabric A to be folded, and then the edge hooking head 11, the edge pressing head 21, the edge turning claw 31 and the edge hammering head 41 synchronously rotate to enable one side of the extension part 1101, which is opposite to the edge pressing head 21, to be shifted into the bottom of the outer side of the edge of the fabric to be folded (as shown in fig. 11).

The turn-up hand claw 31 and the hammer edge head 41 are both located on the same side of the edge hooking head 11 and the edge pressing head 21 (with the extension 1101 supplies the opposite side of the initial entering of the fabric to be folded), and the turn-up hand claw 31 is located on the hammer edge head 41 and between the edge hooking head 11 and the edge pressing head 21.

Example two

As shown in fig. 1, an automatic hemming machine includes a work table 101, and a hemming cam device and a template moving mechanism 10 according to the first embodiment provided on the work table 101, wherein,

the template moving mechanism 10 is configured to drive the fabric template 11 holding the fabric 12 to be folded to move on an XY plane, so that the edge folding cam device folds the fabric, and the XY plane is parallel to a plane where the fabric 12 to be folded is located.

This automatic flanging machine passes through template moving mechanism 10 drives wait to roll over surface fabric 12 along X axle and along Y axle translation, deuterogamies hem cam gear along Z axle translation and around Z axle rotation, can be right wait to roll over the marginal orbit realization multiaxis location of surface fabric 12, improved the precision of hem location greatly, operating personnel only need accomplish behind the hem right wait to roll over surface fabric 12 in the surface fabric template 11 and trade the material, both improved hem efficiency, also improved the safety in utilization.

As shown in fig. 2, the stencil moving mechanism 10 includes a stencil connecting unit 110, an X-axis moving unit 120, and a Y-axis moving unit 130, wherein,

the template connecting assembly 110 is used for connecting the fabric template 11;

the X-axis moving assembly 120 is configured to drive the template connecting assembly 110 to translate along the X-axis;

the Y-axis moving assembly 130 is configured to drive the template connecting assembly 110 to translate along the Y-axis;

the X-axis is perpendicular to the Y-axis.

In a specific implementation, the X-axis moving assembly 120 is disposed on the Y-axis moving assembly 130, and is driven by the Y-axis moving assembly 130 to translate along the Y-axis, and the template connecting assembly 110 is disposed on the X-axis moving assembly 120, is driven by the X-axis moving assembly 120 to translate along the X-axis, and translates along the Y-axis together with the X-axis moving assembly 120; or, the Y-axis moving assembly 130 is disposed on the X-axis moving assembly 120, and is driven by the X-axis moving assembly 120 to translate along the X-axis, and the template connecting assembly 110 is disposed on the Y-axis moving assembly 130, is driven by the Y-axis moving assembly 120 to translate along the Y-axis, and translates along the X-axis together with the Y-axis moving assembly 120.

In this embodiment, the X-axis moving assembly 120 is disposed on the Y-axis moving assembly 130, and the template connecting assembly 110 is disposed on the X-axis moving assembly 120. The X-axis moving assembly 120 is driven by a cylinder, the Y-axis moving assembly 130 translates on a guide rail, and the Y-axis moving assembly 130 is driven by a cylinder, and the template connecting assembly 110 translates on the guide rail.

The template connecting assembly 110 comprises a clamping groove 111, at least one rotatable clamping block 112 and at least one clamping driving assembly 113, the clamping groove 111 is used for being clamped with one side of the fabric template 11, the clamping driving assembly 113 is used for driving the corresponding clamping block 112 to rotate, and the corresponding clamping block 11 can be clamped or loosened with the fabric template 11 located in the clamping groove 111 through rotation.

In this embodiment, the clamping driving assembly 113 drives the clamping block 112 to rotate by using an air cylinder.

The automatic flanging machine also comprises a control host machine 13 arranged on the working table surface 101, is in communication connection with each mechanism in the flanging cam device and the template moving mechanism 10, and is used for controlling each mechanism in the flanging cam device and the template moving mechanism 10.

EXAMPLE III

As shown in fig. 14 and 15, a hemming method, which can be applied to the automatic hemming machine according to the second embodiment, includes the steps of:

step 1: the control host 13 obtains the template data of the fabric 12 to be folded.

In this step 1, in the template data of the material to be folded 12, the edge trajectory of the material to be folded 12 is decomposed into a plurality of folding points, each folding point corresponds to a point in the coordinate system and is represented as (X, Y, β), X is a value of each folding point on the X axis, Y is a value of each folding point on the Y axis, and β is a rotation angle of each folding point around the Z axis.

The template data of the fabric 12 to be folded is previously imported and stored in the control host 13.

And step 3: the template moving mechanism 10 drives the fabric 12 to be folded to translate on an XY plane according to the template data of the fabric 12 to be folded, so that the folding points on the edge track of the fabric 12 to be folded are sequentially positioned to a predetermined point, and the folding points on the predetermined point are sequentially folded by the folding device.

In step 3, the template moving mechanism 10 translates the fabric 12 to be folded on the XY plane by the x value and the y value of each folding point. When the flanging device is used for flanging the flanging point on the preset point, the flanging device comprises the following steps:

step 3.1: and the flanging device rotates according to the template data of the flanging point positioned on the preset point.

In this step, the edge hooking driving mechanism drives the edge hooking head 11, the edge pressing head 21, the flanging paw 31 and the edge hammering head 41 to rotate synchronously through the beta value of the flanging point.

Step 3.2: the edge pressing mechanism 2 presses the inner side of the edge of the folding point on a preset point to limit the folding line position of the folding point.

In this embodiment, in step 3.2, the rotation angle corresponding to the rotation main shaft 8 is 0 to 45 °, and the first cam 22 interacts with the first driven swing rod 23 to make the edge pressing head 21 translate towards the fabric 12 to be folded, so as to press the inner side of the edge of the folding point located at the predetermined point.

Preferably, in step 3.2, the edge hammering mechanism 44 hammers the edge corresponding to the upper edge folding point to tightly adhere the edge of the upper edge folding point.

In this embodiment, when the rotation angle of the rotation main shaft 8 is 0 to 45 °, the fourth cam 52 and the fourth driven swing link act to make the edge-hammering head 41 translate towards the material 12 to be folded, so as to hammer and press the folded edge corresponding to the previous folded edge point.

Step 3.3: and the flanging mechanism 3 folds the edge of the flanging point on the preset point, which is tilted upwards, inwards from the fold line position to form a flanging.

In this embodiment, in step 3.2, the rotation angle corresponding to the rotation main shaft 8 is 45 to 110 °, when the rotation main shaft 8 rotates to 45 to 70 °, the second cam 32 and the second driven swing link 33 interact with each other to make the flanging gripper 31 move horizontally toward the fabric 12 to be folded so as to approach to the flanging point located on the predetermined point, when the rotation main shaft 8 rotates to 70 to 110 °, the flanging gripper 31 stops approaching to the fabric 12 to be folded, and the third cam 42 interacts with the third driven swing link 43 to make the flanging gripper 31 swing inward to turn over the edge of the flanging point located on the predetermined point, which is tilted upward.

After step 3.3, the hemming method further comprises:

step 3.4: and the flanging mechanism 3 compresses the flange which is positioned on a preset point and is turned inwards.

In this embodiment, in step 3.4, the rotation angle corresponding to the rotation main shaft 8 is 110-135 °, the second cam 32 continuously interacts with the second driven swing rod 33, so that the flanging paw 31 continuously translates towards the fabric 12 to be folded, so as to press the folded edge folded inwards at the predetermined point.

The second cam 32 has an equal-large convex arc edge, and distances from circumferential points on the equal-large convex arc edge to the center of the rotating main shaft 8 are equal, so that when the second cam 32 acts with the second driven swing rod 33 through the equal-large convex arc edge, the flanging paw 31 stops at a certain descending height to swing.

After step 3.4, the hemming method further comprises:

step 3.5: the flanging mechanism 3, the edge pressing mechanism 2 and the edge hammering mechanism 4 are reset in sequence.

In this embodiment, in this step 3.5, corresponding to the rotation angle of the rotation main shaft 8 being 135-225 °, the first driven swing link 23 is disconnected from the first cam 22 and is reset by the first reset spring 25, the second driven swing link 33 is disconnected from the second cam 32 and is reset by the second reset spring 35, the third driven swing link 43 is disconnected from the third cam 42 and is reset by the third reset spring, and the fourth driven swing link 53 is disconnected from the fourth cam 52 and is reset by the fourth reset spring 46.

In this embodiment, when the rotation angle of the rotation spindle 8 is 225-360 °, a gap state is formed between the folding device (not folding) and the working table, and the template moving mechanism 10 drives the material 12 to be folded to move horizontally, so as to position the next folding point to a predetermined point.

Between step 1 and step 3, further comprising:

step 2: the template moving mechanism 10 drives the fabric 12 to be folded to translate on an XY plane according to the template data of the fabric 12 to be folded, so as to position a preset starting position for folding the fabric 12 to be folded to a preset point, so that the edge hooking mechanism 1 extends into the bottom of the outer side of the edge of the fabric 12 to be folded from the preset starting position, and the edge of the fabric 12 to be folded is tilted upwards.

In step 2, the template data of the fabric 12 to be folded has a predetermined start position and a predetermined end position for performing folding, and the folding track of the fabric 12 to be folded is from the predetermined start position to the predetermined end position. The predetermined start bit and the predetermined end bit may also be denoted as (x, y, β), with corresponding values of x, y, and β.

The steps of step 2 are as follows:

the edge hooking driving component drives the edge hooking head 11 to translate towards the fabric 12 to be folded to reach the lowest point, then the template moving mechanism 10 drives the fabric 12 to be folded to translate on an XY plane according to the template data of the fabric 12 to be folded, so as to position and extend the predetermined start position of the fabric 12 to be folded into the side of the extension 1101 of the edge hooking head 11 not opposite to the edge pressing head 21 (and back to the edge turning claw 31 of the edge turning mechanism 3), so that the predetermined start position of the fabric 12 to be folded and the edge hooking head 11 act to tilt upwards, then the edge hooking driving component drives the edge hooking head 11 and the edge pressing head 21 to synchronously rotate, so as to rotate the predetermined start position of the fabric 12 to be folded to the side of the extension 1101 of the hemming head 11 opposite to the hemming head 21, so that the predetermined start position of the fabric 12 to be folded is positioned to enter the gap between the hemming head 11 and the hemming head 21.

In the whole step 3, the edge hooking mechanism 1 does not leave from the bottom of the outer side of the edge of the fabric 12 to be folded, and the edge hooking angle is adjusted only by rotating according to the beta value of each folding point on the fabric 12 to be folded until the whole edge of the fabric 12 to be folded is folded.

The above-mentioned embodiments only express the embodiments of the present invention, and the description thereof is specific and detailed, but the invention can not be understood as the limitation of the patent scope of the present invention, but all the technical solutions obtained by adopting the equivalent substitution or equivalent transformation should fall within the protection scope of the present invention.

Claims (10)

1. An automatic flanging machine adopting a cam to drive flanging is characterized by comprising a flanging cam device and a template moving mechanism, wherein,

the template moving mechanism is used for driving a fabric template clamping the fabric to be folded to move on an XY plane so as to be used for folding the edge of the edge folding cam device, and the XY plane is parallel to the plane of the fabric to be folded;

the flanging cam device comprises a rotating main shaft, a blank pressing mechanism, a flanging mechanism and a hammering mechanism, wherein,

the edge pressing mechanism comprises an edge pressing head and a first cam pair assembly, and the edge pressing head is connected to the rotating main shaft through the first cam pair assembly so as to translate and press the inner side of the edge of the fabric to be folded along the Z axis and limit the folding line position of the fabric to be folded;

the flanging mechanism comprises a flanging paw, a second cam pair component and a third cam pair, the flanging paw is connected to the rotating main shaft through the second cam pair component and the third cam pair component so as to translate along the Z axis and swing inwards and outwards along the flanging direction, and the edge of the fabric to be folded, which is tilted upwards, is folded inwards at the folding line position to form a folded edge;

the edge hammering mechanism comprises an edge hammering head and a fourth cam pair assembly, the edge hammering head is connected to the rotating main shaft through the fourth cam pair assembly so as to translate and hammer the folded edge of the to-be-folded fabric, which is folded inwards, along the Z axis, and the folded edge of the to-be-folded fabric is tightly adhered;

the Z axis is vertical to the plane of the fabric to be folded.

2. The automatic hemming machine with cam driven hemming of claim 1 further comprising:

collude limit mechanism including colluding the limit head and colluding limit drive assembly, collude limit drive assembly with collude the limit head and be connected, in order to drive collude the limit head and stretch into treat the marginal outside bottom of rolling over the surface fabric, make treat the edge perk that makes upwards of rolling over the surface fabric.

3. The automatic flanging machine adopting the cam-driven flanging is characterized in that the flanging driving assembly comprises a Z-axis moving assembly and a Z-axis rotating assembly, the Z-axis moving assembly is used for driving the flanging head to translate along a Z axis, the Z-axis rotating assembly is used for driving the flanging head to rotate around the Z axis, and the Z axis is perpendicular to the plane of the fabric to be flanged.

4. The automatic flanging machine adopting the cam-driven flanging is characterized in that the edge hooking driving assembly is further connected with the edge pressing mechanism, the flanging mechanism and the edge hammering mechanism so as to drive the edge pressing mechanism, the flanging mechanism and the edge hammering mechanism to move synchronously with the edge hooking head.

5. The automatic flanging machine adopting the cam-driven flanging is characterized in that the first cam subassembly comprises a first cam, a first driven swing rod and a first moving member, the first cam is sleeved outside the rotating main shaft, the first driven swing rod and the first cam are interacted to swing, the first driven swing rod is further rotatably connected with the first moving member so as to drive the first moving member to translate along the Z axis during swinging, and the flanging head is arranged on the first moving member and translates along the Z axis together with the first moving member.

6. The automatic hemming machine with cam driven hemming of claim 5 wherein the first moving member is connected to a fixed member by a first return spring so that the first cam assembly is returned by the elastic force of the first return spring after the driving force is removed.

7. The automatic flanging machine adopting the cam-driven flanging as claimed in claim 1, wherein the second cam subassembly comprises a second cam, a second driven swing rod and a second moving member, the second cam is sleeved outside the rotating main shaft, the second driven swing rod and the second cam are interacted to swing, and the second driven swing rod is further rotatably connected with the second moving member so as to drive the second moving member to translate along the Z axis when swinging; the third cam subassembly comprises a third cam and a third driven swing rod, the third cam is sleeved outside the rotating main shaft, the third driven swing rod and the third cam act to swing, the third driven swing rod is further rotatably connected to the second moving member and translates along the Z axis along with the second moving member, and the flanging paw is arranged on the third driven swing rod and swings inside and outside and translates along the Z axis along with the third driven swing rod.

8. The automatic hemming machine with cam driven hemming of claim 7 wherein the second moving member is connected to a fixed member by a second return spring so that the second cam assembly is returned by the elastic force of the second return spring after the driving force is removed; and the third driven swing rod is connected to the second moving member through a third return spring, so that the third cam pair assembly is reset through the elastic force of the third return spring after the driving force is removed.

9. The automatic flanging machine adopting the cam to drive the flanging is characterized in that the fourth cam subassembly comprises a fourth cam, a fourth driven oscillating bar, a fourth moving member and a fifth driven oscillating bar, the fourth cam is sleeved on the rotating main shaft, the fourth driven oscillating bar and the fourth cam are interacted to swing, the fourth driven oscillating bar is further rotatably connected with the fourth moving member to drive the fourth moving member to translate along the Z axis during swinging, the fourth moving member is further rotatably connected with the fifth driven oscillating bar to drive the fifth driven oscillating bar to swing during translating, and the hammer head is rotatably connected to the fifth driven oscillating bar to drive the fifth driven oscillating bar to translate along the Z axis during swinging.

10. The automatic hemming machine with cam driven hemming of claim 9 wherein the hammer head is connected to a fixing member by a fourth return spring so that the fourth cam sub-assembly is returned by the elastic force of the fourth return spring after the driving force is removed.

Images