CN206343562U - Bender - Google Patents

Abstract

The utility model discloses a kind of bender, bender includes frame and motor, transmission component, cutting and forming machine structure and conveying mechanism, cutting and forming machine structure includes cover half, dynamic model, dynamic model driving cam, cut part, bending part and bending driving cam, cover half is fixed in frame and with core, core bearing metal wire rod, part is cut to be fixed in frame, dynamic model is slideably positioned in frame and cut with cutting part cooperation, dynamic model driving cam is rotatably arranged in frame and intermittently promotes dynamic model to slide to core, bending part is slideably positioned in frame, bending driving cam is rotatably arranged in frame and intermittently promotes corresponding bending part to slide to core, transmission component is connected to motor and dynamic model driving cam, between bending driving cam.Dynamic model and slip of the bending part in frame are by actuated by cams in this bender, and realize purely mechanic connection using transmission component between cam and motor, without Configuration Control Unit, reduce cost, improve stability and reliability.

Description

Bender

Technical field

The utility model is related to a kind of metal wire rod bending equipment, more particularly to a kind of full-automatic bending of purely mechanic transmission Machine.

Background technology

In product packaging industry, the fastener for bundling articles shown in Fig. 1 is a kind of replacement conventional nylon rope and manual strap packaging Mode, is beaten the pulling force of the button leg of fastener for bundling articles by strap with the interaction of the binding force of clasp make-up leg with realizing Bag task, and can pack and use in the case where not holding any instrument, and with simple to operate, easy to carry and can repeat The advantage used, therefore fastener for bundling articles is widely used in product packaging industry.In addition to fastener for bundling articles, also exist in modern industry Many metalworks as formed by metal wire rod by bending.

Traditional mode that bending is carried out to wire rod by artificial operation equipment excessively falls behind, for improve automaticity and into Type efficiency, current many forming machines are had been put into actual production, and the executive component in forming machine can enter metal wire rod Multiple bending is gone to be molded the metalworks such as fastener for bundling articles.Because the hardness of metal wire rod is higher, therefore executive component is general by power Powerful hydraulic cylinder is promoted, and to complete the multiple bending to metal wire rod different parts, forming machine has generally comprised multiple liquid Cylinder pressure.In forming process, the action of multiple executive components successively needs to meet fixed order, it is therefore desirable to set controller And interlock circuit regulates and controls the sequence of movement of multiple hydraulic cylinders, which increase the cost of forming machine and unstability, sensitive control Device processed is once damage, and forming machine just can not normally perform flexing movement.

To solve the above problems, being necessary to provide a kind of bender for the purely mechanic transmission that need not set controller.

Utility model content

The purpose of this utility model is the bender for providing the purely mechanic transmission that need not set controller.

To achieve these goals, the utility model provides a kind of bender, for cutting simultaneously bending to metal wire rod, Bender includes frame and the motor, transmission component, cutting and forming machine structure and for metal wire rod to be conveyed that are located in frame To the conveying mechanism of cutting and forming machine structure, cutting and forming machine structure includes cover half, dynamic model, dynamic model driving cam, cuts part, at least one Bending part and at least a bending driving cam, cover half are fixed in frame and extend a core along the direction away from frame, The metal wire rod that core carrying conveying mechanism conveying comes, cuts part and is fixed on frame along the direction that conveying mechanism conveys metal wire rod On, and cut part be located at it is between core and conveying mechanism and corresponding with core, dynamic model is slideably positioned in frame and with cutting part Cooperation is cut, and dynamic model driving cam is rotatably arranged in frame and intermittently promotes dynamic model to slide to core, and bending part, which is slided, to be set In frame, bending driving cam is rotatably arranged in frame and intermittently promotes corresponding bending part to slide to core, transmission component It is connected between motor and dynamic model driving cam, bending driving cam.

Compared with prior art, metal wire rod is cut out with cutting part cooperation using dynamic model in the utility model bender Cut, and dynamic model is bent the section of the metal wire rod after cutting with the cooperation of docking of cover half, while the bending part for sliding to cover half is also right Wire rod section is bent.Wherein drive the dynamic model driving cam that dynamic model is slided with bending part logical by motor with bending driving cam Cross transmission component to drive, be a kind of purely mechanic control mode, without Configuration Control Unit and circuit, save the manufacture of equipment Cost, while improving Stability and dependability.Pass through the transmission effect and dynamic model driving cam of appropriately configured transmission component With the direction of bending driving cam, dynamic model can be made to enter line slip according to certain sequencing with bending part, it is ensured that wire rod section It is formed as the structure needed.

It is preferred that cutting and forming machine structure includes an at least return springs, one end of return springs is positioned at frame, multiple The other end of position elastic component connects and provided the elastic force for making bending part slide away from core with corresponding bending part.

It is preferred that transmission component includes multiple pitch wheels.

It is preferred that bender includes some bending parts and some bending driving cams, some bending parts include first Bending part, the second bending part, the 3rd bending part and the 4th bending part, it is convex that some bending driving cams include the first bending driving Wheel, the second bending driving cam, the 3rd bending driving cam and the 4th press bending driving cam, the first bending part, the second folding Comer pieces, the 3rd bending part and the 4th bending part are set in turn in frame, the first bending driving cam, the second bending driving cam, 3rd bending driving cam and the 4th the first bending part, the second bending part, the 3rd bending part are driven respectively by bending driving cam And the 4th bending part.

Specifically, dynamic model and cut part by the metal wire rod between conveying mechanism and core cut out a metal wire rod section, Dynamic model cuts direction in face of the one side edge of frame and offers the forming tank coordinated with core, and forming tank is cooperatively formed out with core One forming cavity, forming cavity makes the two ends edge of metal wire rod section cut direction bending and cross core, one side of the dynamic model back to frame A movable chamber is offered along direction is cut, and dynamic model also along cutting, extend in movable chamber and to cross dynamic model corresponding by direction One end guide-localization block, guide-localization block is located at the outside of core, and both sides of guide-localization block along core bearing of trend Edge cuts the inclined structure in direction.

It is preferred that bender is also included located at frame and for the aligning mechanism to metal wire rod progress alignment, conveyer Structure is located between aligning mechanism and cutting and forming machine structure.

Specifically, aligning mechanism is arranged including two alignment rolling wheels, forms what is passed through for metal wire rod between two alignment rolling wheels row Alignment passage.

Further, the alignment rolling wheel during the alignment rolling wheel in alignment rolling wheel row is arranged with another alignment rolling wheel is in stagger Set.

It is preferred that conveying mechanism includes delivery wheel and drive component, delivery wheel is articulated in frame in paired, two conveyings The transfer passage passed through for the metal wire rod after alignment is formed between wheel, drive component is arranged in frame and drives delivery wheel to revolve Turn.

It is preferred that cutting part in hollow structure, what the metal wire rod that hollow structure formation is conveyed for conveying mechanism was passed through wears Via.

Brief description of the drawings

Fig. 1 is the structural representation of fastener for bundling articles.

Fig. 2 is the three-dimensional structure diagram of the utility model bender.

Fig. 3 is the plane structure chart of the utility model bender.

Fig. 4 is the decomposing schematic representation on rear side of the utility model bender.

Fig. 5 is the structural representation of the angle of dynamic model one in bender.

Fig. 6 is the structural representation of another angle of dynamic model in bender.

Embodiment

Description is made to preferred embodiment of the present utility model with reference to the Figure of description provided.

With reference to Fig. 2 to Fig. 4, the utility model bender 100 be used to carrying out metal wire rod 270 bending process with by its into Type is certain structure, in the present embodiment, exemplified by metal wire rod 270 to be shaped to the fastener for bundling articles 200 shown in Fig. 1.

Bender 100 include frame 10 and the motor 11 in the frame 10, transmission component 12, cutting and forming machine structure 40 with And for metal wire rod 270 to be transported to the conveying mechanism 30 of cutting and forming machine structure.Conveying mechanism 30 includes delivery wheel 31 and driven Dynamic component (not shown), the delivery wheel 31 is articulated in frame 10 in paired, is formed between two delivery wheels 31 and is supplied metal wire The transfer passage 33 that material 270 is passed through, drive component is arranged in frame 10 and drives delivery wheel 31 to rotate, to be placed in conveying The metal wire rod 270 of passage 33 reliably delivery wheel 31 can be conveyed, and pass through drive component and the conveyer of the formation of delivery wheel 31 Structure 30 so that the more compact structure of conveying mechanism 30.

Cutting and forming machine structure 40 include cover half 41, dynamic model 42, dynamic model driving cam 45, cut part 43, some bending parts with And some bending driving cams, specifically, including the first bending part 44a, the second bending part 44b, the 3rd in some bending parts Bending part 44c and the 4th bending part 44d, and some bending driving cams include the first bending driving cam 46a, the second bending Driving cam 46b, the 3rd bending driving cam 46c and the 4th bending driving cam 46d.

Cover half 41 is fixed in frame 10, and cover half 41 extends a core 41a, the core along the direction away from frame 10 The metal wire rod 270 that the 41a carrying conveyings of conveying mechanism 30 come；Cut the side that part 43 conveys metal wire rod 270 along conveying mechanism 30 Be fixed on to (i.e. in Fig. 2 arrow B signified direction) in frame 10, and cut part 43 positioned at core 41a and conveying mechanism 30 it Between and it is corresponding with core 41a.Dynamic model driving cam 45 is rotatably installed in frame 10 and contacted with dynamic model 42, and dynamic model 42 is slided Be arranged at frame 10 and positioned at the top of cover half 41, and dynamic model 42 and cut part 43 and coordinate and cut, dynamic model 42 is with cutting part 43 Cooperation cuts and the section of the metal wire rod shown in a Fig. 1 is cut out to the metal wire rod 270 between conveying mechanism 30 and core 41a 260, and dynamic model 42 also coordinates with cover half 41 and slides and make the two ends of metal wire rod section 260 respectively along cutting direction (i.e. arrow in Fig. 2 Direction signified head A) bend out the first kink 210 that is corresponding and crossing core 41a (shown in Fig. 1).

First bending part 44a, the second bending part 44b, the 3rd bending part 44c and the 4th bending part 44d are along conveying mechanism The direction of 30 conveying metal wire rods 270 is in turn slidingly arranged in frame 10, and it is in up time to be in the present embodiment specifically Faller gill cloth, and the first bending driving cam 46a, the second bending driving cam 46b, the 3rd bending driving cam 46c and the 4th Bending driving cam 46d is also rotatably arranged in frame 10 successively, and the first bending driving cam 46a and the first bending part 44a is contacted, and the second bending driving cam 46b is contacted with the second bending part 44b, the 3rd bending driving cam 46c and the 3rd bending Part 44c is contacted, and the 4th bending driving cam 46d is contacted with the 4th bending part 44d.When four bending driving cams are rotated, point Intermittently four bending parts are not promoted to be slided towards core 41a, specifically, coordinating Fig. 1, four bending parts are to metal wire rod section 260 bending process is as follows：

First bending driving cam 46a drives the first bending part 44a to promote one first kink 210 towards the another first bending (i.e. first kink 210 on right side is towards at first kink 210 in left side in Fig. 1) bends out one second kink at portion 210 220, the 4th bending driving cam 46d drive the 4th bending part 44d to promote another first kink 210 towards one first kink (i.e. first kink 210 in left side is towards at first kink 210 on right side in Fig. 1) bends out one the 3rd kink at 210 230.One pushing tow linear actuator is installed, the output end 47a of pushing tow linear actuator is along core 41a bearing of trends in frame 10 That slides passes through cover half 41, and the output end 47a of pushing tow linear actuator is corresponding with the 3rd kink 230, pushing tow linear drives The outside kinks 230 of pushing tow the 3rd of output end 47a of device, make bearing of trend of the 3rd kink 230 along core 41a be located at and this The outside (i.e. first bending part 210 on right side in Fig. 5) of corresponding first kink 210 of 3rd kink 230.Second bending is driven Moving cam 46b drive the second bending part 44b promote the 3rd kink 230 along cut opposite direction (be in Fig. 2 arrow A it is signified Opposite direction) bend out one the 4th kink 240 so that the 4th kink 240 along core 41a bearing of trends be located at correspondence The first bending part 210 outside the first bending part 210 of right side (i.e. in Fig. 5), the 3rd bending driving cam 46c drives the 3rd Bending part 44c promotes the second kink 220 to bend out one the 5th kink 250 along opposite direction is cut, and makes the 5th kink 250 It is located at the outside (i.e. first bending part 210 in left side in Fig. 5) of corresponding first bending part 210 along core 41a bearing of trends.It is curved Fold the first kink 210, the second kink 220, the 3rd kink 230, the 4th kink 240 and the 5th kink 250 Metal wire rod section 260 forms fastener for bundling articles 200.

Fig. 2 and Fig. 5, Fig. 6 are referred to, the one side edge in face of frame 10 of dynamic model 42 cuts direction and offered and core 41a A forming tank 42a, forming tank 42a and the core 41a coordinated cooperatively forms out a forming cavity (not marked in figure), and the forming cavity makes The two ends edge of metal wire rod section 260 cuts direction bending and crosses core 41a, and the one side edge back to frame 10 of dynamic model 42 is cut out Butt is to offering a movable chamber 42b, and dynamic model 42 also extends in movable chamber 42b and crosses the dynamic model 42 along cutting direction The guide-localization block 42c of corresponding one end, the guide-localization block 42c are located at the outer of core 41a along core 41a bearing of trends Side, and guide-localization block 42c both sides along cutting the inclined structure 42d in direction, by above-mentioned movable chamber 42b, to be easy to the Two bending part 44b are bending out the 4th kink 240, the 3rd bending part 44c to the second kink to the 3rd kink 230 220 merge out the space of work when bending out five kinks 250；By above-mentioned guide-localization block 42c so that after bending Certain spacing is kept between 4th kink 240 and the 5th kink 250, to ensure the quality of the shaping of fastener for bundling articles 200；By Above-mentioned forming tank 42a so that the simpler above-mentioned forming cavity for being formed out with core 41a of the energy of dynamic model 42, to move The two ends of metal wire rod section 260 can be enable to be bent out two-phase corresponding first kink when mould 42 is with core 41a cooperation 210。

Above-mentioned transmission component 12 includes multiple pitch wheels, wherein there is the defeated of a driving gear and motor 11 Shaft is connected, and separately has four gears to be driven respectively with the first bending driving cam 46a, the second bending driving cam 46b, the 3rd bending Moving cam 46c and the 4th presses the 46d connections of bending driving cam, can drive four bending drivings convex when this four pinion rotations Wheel is rotated.Set between multiple gears of transmission component 12 using the gear ratio of certain relation, along with four bending drivings are convex The different directions of wheel are set, and the sequencing that can be promoted four bending parts meets above-mentioned to metal wire rod 260 bendings of section Action request.Certainly, the concrete structure of transmission component 12 is not limited with multiple gears or gear, chain are matched somebody with somebody The other forms such as conjunction, as long as the power output of motor 11 can be sent to each bending driving cam, and drive each bending Moving cam meets the rotation order of certain relation.

Furthermore, mentioned above cuts the gold that part 43 is conveyed in hollow structure, hollow structure formation for conveying mechanism 30 What category wire rod 270 was passed through passes through hole, and the metal wire rod 270 come is on the one hand conveyed for conveying mechanism 30 and provides guide effect, makes gold On the other hand belong to wire rod 270 be able to more can may be used more reliably toward conveying at core 41a in dynamic model 42 with cutting under the cooperation of part 43 By ground to being cut through the metal wire rod 270 for cutting part 43.

With reference to accompanying drawing, the operation principle to the utility model bender 100 is described in detail：During work, operating personnel Metal wire rod 270 is sent into transfer passage 33, the delivery wheel 31 of rotation drives the metal wire rod 270 in transfer passage 33 is past to cut Conveyed at part 43, passed through toward the metal wire rod 270 for cutting conveying at part 43 and cut passing through hole and being carried on core 41a for part 43 On；When metal wire rod 270 is conveyed in place at core 41a, dynamic model driving cam 45 promotes the arrow A institutes along along Fig. 2 of dynamic model 42 The direction start of finger, dynamic model 42 is cut with cutting the cooperation of part 43, so as to will be carried on core 41a and cut the metal between part 43 Wire rod 270 cuts out metal wire rod section 260；Then, dynamic model 42 continues to move and with cover half 41 coordinate along original direction, and dynamic The direction of arrow A meanings is bent out relatively mould 42 along along Fig. 2 respectively with making the two ends of metal wire rod section 260 under the cooperation of cover half 41 The first kink 210 answered；Now the first bending driving cam 46a promotes the first bending part 44a towards the side moved at core 41a To start, the first bending part 44a promotes one first kink 210 towards bending out the second kink at another first kink 210 220；And then, the 4th bending driving cam 46d promotes the 4th bending part 44d towards the direction start moved at core 41a, start The 4th bending part 44d promote another first kink 210 towards bending out the 3rd kink 230 at one first kink 210, this When controller control pushing tow linear actuator start, the pushing tow linear actuator of start makes the outside pushing tows the 3rd of its output end 47a Kink 230；Then, the second bending driving cam 46b promotes the second bending part 44b towards the direction start moved at core 41a, Second bending part 44b of start promotes the 3rd kink 230 after pushing tow to bend out the 4th kink along opposite direction is cut 240；Finally, the 3rd bending driving cam 46c is along driving the 3rd bending part 44c towards the direction start moved at core 41a, start The 3rd bending part 44c promote the 4th kink 240 bend out the 5th kink 250 along opposite direction is cut so that bending Go out the gold of the first kink 210, the second kink 220, the 3rd kink 230, the 4th kink 240 and the 5th kink 250 Belong to wire rod section 260 and form a fastener for bundling articles 200.Mold after fastener for bundling articles 200, the ejection linear actuator set after frame 10 is made Dynamic, the ejection linear actuator of start makes its output end 48a eject fastener for bundling articles 200, is that the shaping of fastener for bundling articles 200 next time is done It is good to prepare, constantly repeat above-mentioned process, you can complete the batch production of fastener for bundling articles 200.

In addition, respectively connecting on the first bending part 44a, the second bending part 44b, the 3rd bending part 44c and the 4th bending part 44d Be connected to two dynamic clamping head and quiet clamping heads 49, one end of dynamic clamping head and quiet clamping head 49 is positioned in frame 10, dynamic clamping head and quiet clamping head 49 be spring there is provided The elastic force for making four bending members be slided towards the direction away from core 41a, realizes automatically reseting for bending member.

In another preferred embodiment, this bender 100 can also include one located at frame 10 and for metal wire Material 270 carries out the aligning mechanism of alignment, and conveying mechanism 30 is located between aligning mechanism and cutting and forming machine structure 40.Aligning mechanism can To be arranged including two alignment rolling wheels, the alignment passage passed through for metal wire rod, and an alignment rolling wheel are formed between two alignment rolling wheels row Alignment rolling wheel during alignment rolling wheel in row is arranged with another alignment rolling wheel is in setting of staggering.Metal wire rod 270 after alignment Cutting and forming machine structure 40 is sent to by conveying mechanism 30 again, it is ensured that metal wire rod 270 itself makes shaping without unwanted bending The structure of metalwork afterwards, which is met, to be required.

The utility model compared with prior art, due to dynamic model driving cam 45, first in the utility model bender 100 Bending driving cam 46a, the second bending driving cam 46b, the 3rd bending driving cam 46c and the 4th press bending driving cam 46d is driven by the intermittent pushing tow of cam, certain action relationships can be formed by the connection of transmission component 12, without setting Controller, reduces device fabrication cost, improves the reliability and stability of equipment.

Above disclosed is only preferred embodiments of the present utility model, and its effect is to facilitate those skilled in the art Understand and implement according to this, the interest field of the utility model can not be limited with this certainly, thus it is special according to the present utility model application The equivalent variations that sharp scope is made, still fall within the scope that the utility model is covered.

Claims (10)

1. a kind of bender, for cutting simultaneously bending to metal wire rod, it is characterised in that：The bender includes frame with being located at Motor, transmission component, cutting and forming machine structure in the frame and for metal wire rod to be transported into the cutting and forming machine The conveying mechanism of structure,

The cutting and forming machine structure includes cover half, dynamic model, dynamic model driving cam, cuts part, at least a bending part and at least one Bending driving cam,

The cover half is fixed in the frame and extends a core along the direction away from the frame, and the core carries institute The metal wire rod that conveying mechanism conveying comes is stated, the part that cuts is fixed on institute along the direction that the conveying mechanism conveys metal wire rod State in frame, and it is described cut part be located at it is between the core and conveying mechanism and corresponding with the core,

The dynamic model be slideably positioned in the frame and with it is described cut part coordinate cut, the dynamic model driving cam is rotationally set It is placed in the frame and intermittently promotes the dynamic model to slide to the core, the bending part is slideably positioned in the frame, institute Bending driving cam is stated to be rotatably arranged in the frame and intermittently promote the corresponding bending part to slide to the core,

The transmission component is connected between the motor and the dynamic model driving cam, bending driving cam.

2. bender as claimed in claim 1, it is characterised in that：The cutting and forming machine structure includes an at least Flexible Reset Part, one end of the return springs is positioned at the frame, the other end of the return springs and the corresponding bending Part connects and provided the elastic force for making the bending part slide away from the core.

3. bender as claimed in claim 1, it is characterised in that：The transmission component includes multiple pitch wheels.

4. bender as claimed in claim 1, it is characterised in that：The bender includes some bending parts and some The bending driving cam, some bending parts include the first bending part, the second bending part, the 3rd bending part and four fold Comer pieces, some bending driving cams include the first bending driving cam, the second bending driving cam, the 3rd bending driving Cam and the 4th press bending driving cam, first bending part, the second bending part, the 3rd bending part and the 4th bending part according to It is secondary to be arranged at the frame, the first bending driving cam, the second bending driving cam, the 3rd bending driving cam and the 4th First bending part, the second bending part, the 3rd bending part and the 4th bending part are driven respectively by bending driving cam.

5. bender as claimed in claim 4, it is characterised in that：The dynamic model with it is described cut part by the conveying mechanism with Metal wire rod between core cuts out metal wire rod section, and the dynamic model cuts direction in face of the one side edge of the frame and opened up There is the forming tank coordinated with the core, the forming tank cooperatively forms out a forming cavity, the forming cavity with the core Make the two ends of metal wire rod section along cutting direction bending and crossing the core, the dynamic model is cut out back to the one side edge of the frame Butt is to offering a movable chamber, and the dynamic model also extends in the movable chamber and crossed described dynamic along cutting direction The guide-localization block of the corresponding one end of mould, the guide-localization block is located at the outer of the core along the core bearing of trend Side, and the both sides edge of the guide-localization block cuts the inclined structure in direction.

6. bender as claimed in claim 1, it is characterised in that：The bender also include located at the frame and for pair Metal wire rod carries out the aligning mechanism of alignment, the conveying mechanism be located at the aligning mechanism and the cutting and forming machine structure it Between.

7. bender as claimed in claim 6, it is characterised in that：The aligning mechanism is arranged including two alignment rolling wheels, described in two The alignment passage passed through for metal wire rod is formed between alignment rolling wheel row.

8. bender as claimed in claim 7, it is characterised in that：Alignment rolling wheel and another institute in alignment rolling wheel row described in one The alignment rolling wheel in alignment rolling wheel row is stated in setting of staggering.

9. bender as claimed in claim 1, it is characterised in that：The conveying mechanism includes delivery wheel and drive component, institute State delivery wheel to be articulated in the frame in paired, the conveying passed through for metal wire rod is formed between delivery wheel described in two and is led to Road, the drive component is arranged in the frame and drives the delivery wheel to rotate.

10. bender as claimed in claim 1, it is characterised in that：The part that cuts is in hollow structure, the hollow structure shape Hole is passed through into what the metal wire rod conveyed for the conveying mechanism was passed through.