CN207059147U

CN207059147U - Material shifts mechanical arm

Info

Publication number: CN207059147U
Application number: CN201720789915.4U
Authority: CN
Inventors: 赵勇; 赵华强; 杨伟华; 陈泯君
Original assignee: Shaoxing Baofeng Textile And Clothing Co Ltd
Current assignee: Shaoxing Baofeng Textile And Clothing Co Ltd
Priority date: 2017-07-01
Filing date: 2017-07-01
Publication date: 2018-03-02
Anticipated expiration: 2027-07-01

Abstract

The utility model discloses a kind of material to shift mechanical arm, and material transfer mechanical arm includes mechanical arm skeleton, the mechanical arm skeleton including can vertically and the metacarpal bone of horizontal motion and the phalanges of the connection rotated around metacarpal bone, it is characterized in that：The phalanges includes referring to root and finger tip portion, the finger tip portion is bent at a certain angle towards the front for referring to root, the air pressure that the back side for referring to root is fixed with for clamping small tail clamps, the back side in the finger tip portion is fixed with cuts for cutting the air pressure of small tail, the blade position that the air pressure is cut is located at the underface of the jaw part of air pressure pincers, and the sword end at the blade part position is parallel with referring to root, there is the advantages of accurate positioning, production efficiency is high.

Description

Material shifts mechanical arm

Technical field

A kind of automation equipment field is the utility model is related to, more particularly to a kind of material transfer mechanical arm.

Background technology

Injection machine is that thermoplastic or thermosetting material are made into variously-shaped plastic products using mould for plastics Main former, injection moulding realized by injection machine and mould.

After general injection machine injection moulding, its afterbody can leave a small tail, for automatic assembly line, this More positions that can be captured, for the product, this is must eliminate the shortcomings that, and tail is usually and adopted in the prior art The mode cut with collective's cutter automatic cutting or manual scissors is handled.But cutter cutting may require that enters luggage to plastic products Folder, certain influence can be thus produced to its surface.

And focusing on, it is desirable to independent process, it focuses on man-hour that streamline expends in itself with regard to a lot, If there can be a kind of structure for directly disposing small tail when conveying or transfer that connects to greatly save man-hour, improve Production efficiency.

Utility model content

The purpose of this utility model is to provide a kind of material transfer mechanical arm, which solves the place of small tail after injection molding Reason problem, reach saving man-hour, improve production efficiency effect.

Above-mentioned technical purpose of the present utility model technical scheme is that：

A kind of material shifts mechanical arm, including mechanical arm skeleton, the mechanical arm skeleton include can vertically and The metacarpal bone of horizontal motion and the phalanges of the connection rotated around metacarpal bone, it is characterized in that：The phalanges includes referring to root and finger tip Portion, the finger tip portion are bent at a certain angle towards the front for referring to root, and the back side for referring to root is fixed with for clamping small tail Bar air pressure pincers, the back side in the finger tip portion is fixed with cuts for cutting the air pressure of small tail, and the blade that the air pressure is cut is located at The underface of the jaw of air pressure pincers, and the sword end of the blade is parallel with referring to root.

Using said structure, refer to root and finger tip is angled this so that the air pressure for being fixed on its surface is cut and air pressure Clamp angled, and the blade position cut of air pressure is located at the underface of the jaw part of air pressure pincers, the sword end at blade position It is parallel with referring to root, that is to say, that when the shell that air pressure is cut is in horizontality on finger root surface, shell is higher than blade position, Some surfaces, which can effectively be got out of the way, the moulding of protruding parts；And just directly will be unnecessary during mechanical arm shifts Small tail wipe out, and while wiping out, finished product falls to be fed directly to packaging area, directly reduce one in conveyer belt Procedure, greatly improve production efficiency.

More preferably：The air pressure is cut including housing, the second cylinder, the first cutter head and the second cutter head, the housing Slideway is provided with the mobile route of second stopper rod end of inherent second cylinder, the end set of second stopper rod has cunning Block, the two sides of the sliding block are respectively articulated with the second active of the second cutter head of the first driving lever and driving of the first cutter head of driving Bar, first cutter head and the second cutter head are hinged in the protruding shaft of enclosure interior setting.

Using said structure, the second stopper rod driving sliding block of the second cylinder slides along slideway, what sliding block slided on slideway When can drive the first driving lever and the second driving lever, what the angle between the first driving lever and the second driving lever gradually expanded During, promoted by the first driving lever and the second active, it is different according to the structure of cutter head, the first cutter head and the second cutter head meeting The action for gradually closing or being gradually opened is realized, when the first cutter head and the second cutter head cross-articulation, will show as gradually beating The state opened, when the first cutter head and the second cutter head are intersected in a manner of not be hinged, the state gradually closed can be rendered as；It is this Double direction shear can effectively prevent the inclined situation of otch from occurring, and it is more convenient, accurate to shear positioning；And protruding shaft is one Or two structures of itself for depending on cutter head, the bar portion of cutter head is needed if being fixed in same protruding shaft needs one mutually The structure got out of the way.

More preferably：The first knife portion with blade that first cutter head includes being wholely set, it is hinged with protruding shaft The first articulated section and transmit the first follower lever of moment of torsion, first follower lever is hinged with the first driving lever；Second knife Head second including the second knife portion with blade being wholely set, the second articulated section being hinged with protruding shaft and transmission moment of torsion is driven Bar, second follower lever are hinged with the second driving lever.

Using said structure, the scissors bit for being combined into and can be used as shearing is matched somebody with somebody in the first knife portion and the second knife portion, when follower lever by Follower lever, articulated section, knife portion form lever construction by fulcrum of articulated section during the promotion of driving lever, realize the change in the direction of power Change.

More preferably：First articulated section and the second articulated section overlap and revolved by axle center of the axle center of protruding shaft Turn connection.

Using said structure, connected in a manner of cross-articulation, with the folder between driving lever when sliding block pushes Angle increases, the angle also outwards increase therewith of two follower levers, and the angle between two cutter heads is identical with the angle between two follower levers, Because follower lever outwards increases, the subtended angle amplitude between two driving levers and between two follower levers can be very big, and difference connects Nearly 180 degree, can tackle some situations for needing to cut the position being relatively large in diameter, and the requirement of same axis can cause the first knife Head is consistent with the motion of the second cutter head.

More preferably：The end face of the ways-end is fixed with spring and is arranged on the electromagnet of spring center, and Electromagnet is provided with end face of the sliding block towards slide rail end.

Using said structure, spring limits to be fixed, can play a part of buffering to the movement of sliding block, electromagnet is can Become and limit, the final position that can reach of sliding block can be changed by changing magnetic or magnetic force size, so as to control the first cutter head With the maximum opening angle of the second cutter head, so as to cut material according to different size, different suitable subtended angles can be used, from increase work Make efficiency.

More preferably：First follower lever and the first knife portion are arranged on the same side, and the first driving lever and When two driving levers are perpendicular to slide rail, the blade of the blade of the first cutter head and the second cutter head just coordinates compression.

Using said structure, the first follower lever and the first knife portion do not intersect between the same side that is two cutter heads, So, during the angle between the first driving lever and the second driving lever gradually expands, led by the first driving lever and second Dynamic promotion, the first cutter head and the second trace header gradually close, when the first driving lever and the second driving lever are perpendicular to slideway, Be exactly that driving lever is pushed out when reach maximum, just compressed at the blade of two cutter heads, so when sliding block continue to When front slide, the angle between two driving levers can start zooming out, that is to say, that the blade of two cutter heads is in tight closure In a flash again can reopen, avoid blade from being constantly in squeezed state.

More preferably：First articulated section and the second articulated section be provided with circular arc side and with circular arc side The groove of cooperation, the groove are arranged on the contact surface of the first articulated section and the second articulated section.

Using said structure, the first knife portion and the second knife portion can be maintained at by same water using the form of circular arc and groove In plane, it is easy to shear；Effectively produced simultaneously between the first articulated section and the second articulated section and get out of the way effect, prevent two hinges Interference is produced between socket part.

More preferably：The first knife portion and the second knife portion are disposed as from the knife back to edge tilted, and along mistake Slide rail center line and perpendicular to slide rail composition plane it is symmetrical

Using said structure, edge tilted forms good cut-out effect, moreover it is possible to so that blade is not easily broken.

In summary, the utility model has the advantages that：

1st, directly part unnecessary caused by injection is wiped out when mechanical arm is captured and shifted, it is effective to improve production Efficiency；

2nd, double direction shear, effectively prevent the inclined situation of otch from occurring, and it is more convenient, accurate to shear positioning；

3rd, the variable angle amplitude between blade is effectively increased；

4th, maximum subtended angle is controllable, and material is cut according to different size, can use different suitable subtended angles, so as to increase work effect Rate；

5th, shearing self-regulation, can be unclamped in the moment that shearing is completed, the effective service life for extending blade.

Brief description of the drawings

Fig. 1 is the overall structure diagram of the material transfer mechanical arm of embodiment one；

Fig. 2 is the metacarpal bone of embodiment one and the structural representation of phalanges；

Fig. 3 be embodiment one metacarpal bone and phalanges rotating mechanism structural representation；

Fig. 4 is the horizontal cross that the air pressure of embodiment one is cut；

Fig. 5 is the vertical semi-cutaway that the air pressure of embodiment one is cut；

Fig. 6 is structural representations of the Fig. 5 of embodiment one at T；

Fig. 7 is the sliding block of embodiment one and the structural representation of chute.

In figure, 1, metacarpal bone；2nd, phalanges；3rd, air pressure clamps；4th, air pressure is cut；11st, the first cylinder；111st, the first stopper rod；12nd, joint Part；121st, rocking arm；122nd, swing arm；123rd, turning；13rd, fixation plate；21st, root is referred to；22nd, finger tip；31st, jaw；41st, blade；411、 First cutter head；4111st, the first knife portion；4112nd, the first junction；4113rd, the first follower lever；412nd, the second cutter head；4211st, second Knife portion；4212nd, the second junction；4213rd, the second follower lever；441st, the first driving lever；442nd, the second driving lever；42nd, housing； 43rd, the second cylinder；45th, sliding block；451st, cunning is convex；46th, slideway；461st, cunning is recessed；47th, protruding shaft；48th, spring；49th, electromagnet.

Embodiment

The utility model is described in further detail below in conjunction with accompanying drawing.

This specific embodiment is only that it is not to limitation of the present utility model, ability to explanation of the present utility model Field technique personnel can make the modification of no creative contribution to the present embodiment as needed after this specification is read, but As long as all protected in the scope of protection of the utility model by Patent Law.

Embodiment 1：Material shifts mechanical arm, as depicted in figs. 1 and 2, including mechanical arm skeleton, mechanical arm skeleton includes can Vertically and the metacarpal bone 1 of horizontal motion and the phalanges 2 of the connection rotated around metacarpal bone 1, phalanges 2 include referring to root 21 With 22, finger tip, 22, finger tip is bent at a certain angle towards the front for referring to root 21, and the back side for referring to root 21 is fixed with for pressing from both sides The firmly air pressure pincers 3 of small tail, the back side that finger tip is 22 is fixed with cuts 4 for cutting the air pressure of small tail, and air pressure cuts 4 blade 41 Positioned at the underface of the jaw 31 of air pressure pincers 3, and the sword end of blade 41 is parallel with referring to root 21.

Reference picture 2 and 3, phalanges 2 mainly realized by Ni Ren mechanisms around the rotation of metacarpal bone 1, and Ni Ren mechanisms parade one's wealth the second gas Cylinder 43, joint piece 12, fixation plate 13 form, and the end of the second cylinder 43 and metacarpal bone 1 are be hinged, the second stopper rod of the other end and joint The swing arm 122 of part 12 is be hinged, and the end of the swing arm 122 of joint piece 12 is be hinged with metacarpal bone 1 and is rotated around pin joint, rocking arm 121 End is fixed with fixation plate 13, and fixation plate 13 is threadably secured with phalanges 2.

When the second cylinder 43 pulls the second stopper rod, the second stopper rod pulls rocking arm 121 around the end of swing arm 122 and the palm The pin joint rotation of bone 1, it is changed into vertical state up to referring to the upper surface of root 21 so as to drive phalanges 2 to rotate to rise around pin joint, Now the second stopper rod is changed into vertical state, and the side of swing arm 122 is connected to the surface in the groove of metacarpal bone 1, and phalanges 2 no longer revolves Turn.

Reference picture 4 and Fig. 5, air pressure, which cuts 4, includes housing 42, cylinder, the first cutter head 411 and the second cutter head 412, in housing 42 Slideway 46 is provided with the mobile route of the stopper rod end of cylinder, the end set of stopper rod has sliding block 45, the both sides of sliding block 45 Face is respectively articulated with the second driving lever 442 of the second cutter head 412 of the first driving lever 441 and driving of the first cutter head 411 of driving, the The protruding shaft 47 that one cutter head 411 and the second cutter head 412 are set by the inside of housing 42 is rotatably connected.

First cutter head 411 includes the first knife portion 4111 with blade 41 being wholely set, be hinged with protruding shaft 47 first Articulated section 4112 and the first follower lever 4113 for transmitting moment of torsion, the first follower lever 4113 and the first driving lever 441 are be hinged；Second knife First 412 the second knife portions 4211 with blade 41 for including being wholely set, the second articulated section 4212 being hinged with protruding shaft 47 and biography Second follower lever 4213 of torque delivery, the second follower lever 4213 and the second driving lever 442 are be hinged.First cutter head 411 and the second knife First 412 is arranged in a crossed manner as crosspoint using the axle center of protruding shaft 47, and the pivot of articulated section is on the same axis.First is be hinged The articulated section 4212 of portion 4112 and second is provided with circular arc side and the groove coordinated with circular arc side, groove are arranged on first The contact surface of the articulated section 4212 of articulated section 4112 and second.First knife portion 4111 and the second knife portion 4211 be disposed as from the knife back to Blade 41 tilts, and along slide rail center line excessively and symmetrical perpendicular to the plane of slide rail composition.

Reference picture 6, the end face of the end of slideway 46 are fixed with spring 48 and are arranged on the electromagnet 49 at the center of spring 48, and Sliding block 45 is towards being provided with electromagnet 49 on the end face of slide rail end.

Reference picture 7, the both sides of sliding block 45 are provided with sliding convex 451, are provided with chute recessed with sliding convex 451 cunning coordinated 461。

Claims

1. a kind of material shifts mechanical arm, including mechanical arm skeleton, the mechanical arm skeleton includes can vertically and water Square to motion metacarpal bone (1) and around metacarpal bone (1) rotation connection phalanges (2), it is characterized in that：The phalanges (2) includes referring to Root (21) portion and finger tip (22) portion, the front in finger tip (22) portion towards root (21) portion of finger are bent at a certain angle, the finger root (21) air pressure that the back side in portion is fixed with for clamping small tail clamps (3), and the back side in finger tip (22) portion is fixed with for cutting The air pressure of disconnected small tail is cut (4), and the blade (41) that the air pressure cuts (4) is located at the underface that air pressure clamps the jaw (31) of (3), and The sword end of the blade (41) is parallel with referring to root (21) portion.

2. material according to claim 1 shifts mechanical arm, it is characterized in that：The air pressure, which cuts (4), includes housing (42), the Two cylinders (43), the first cutter head (411) and the second cutter head (412), interior the second plug in the second cylinder (43) of the housing (42) Slideway (46) is provided with the mobile route of boom end, the end set of second stopper rod has sliding block (45), the sliding block (45) two sides are respectively articulated with the first driving lever (441) of the first cutter head of driving (411) and drive the second cutter head (412) Second driving lever (442), first cutter head (411) and the second cutter head (412) are hinged on the protruding shaft set inside housing (42) (47) on.

3. material according to claim 2 shifts mechanical arm, it is characterized in that：First cutter head (411) includes integrally setting The first knife portion (4111) with blade (41) for putting, the first articulated section being hinged with protruding shaft (47) and transmission moment of torsion first from Lever (4113), first follower lever (4113) are be hinged with the first driving lever (441)；Second cutter head (412) includes one The second knife portion (4211) with blade (41) that body is set, the of the second articulated section being hinged with protruding shaft (47) and transmission moment of torsion Two follower levers (4213), second follower lever (4213) are be hinged with the second driving lever (442).

4. material according to claim 3 shifts mechanical arm, it is characterized in that：First articulated section（4112）With the second hinge Socket part（4212）Overlap and be rotatably connected by axle center of the axle center of protruding shaft (47).

5. material according to claim 4 shifts mechanical arm, it is characterized in that：The end face of slideway (46) end is fixed with Spring (48) and the electromagnet for being arranged on spring (48) center, and it is provided with electricity on end face of the sliding block (45) towards slide rail end Magnet.

6. material according to claim 3 shifts mechanical arm, it is characterized in that：First follower lever (4113) and the first knife Portion (4111) is arranged on the same side, and when the first driving lever (441) and the second driving lever (442) are perpendicular to slide rail, The blade (41) of one cutter head (411) and the blade (41) of the second cutter head (412) just coordinate compression.

7. the material transfer mechanical arm according to claim 5 or 6, it is characterized in that：First articulated section and second is hinged Portion is provided with circular arc side and the groove coordinated with circular arc side, and the groove is arranged on the first articulated section and second and is hinged The contact surface in portion.

8. material according to claim 3 shifts mechanical arm, it is characterized in that：The first knife portion (4111) and the second knife portion (4211) it is disposed as tilting from the knife back to blade (41), and along slide rail center line excessively and perpendicular to the plane pair of slide rail composition Claim.