CN103170990A

CN103170990A - Shearing device

Info

Publication number: CN103170990A
Application number: CN2011104326637A
Authority: CN
Inventors: 姜方; 李发业; 谭鹏; 陈翠; 同晓青; 代丽霞; 吴浩权
Original assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Current assignee: Hongfujin Precision Industry Shenzhen Co Ltd; Hon Hai Precision Industry Co Ltd
Priority date: 2011-12-21
Filing date: 2011-12-21
Publication date: 2013-06-26

Abstract

A shearing device is used for shearing water openings of products with opening holes. The shearing device comprises a base, a shearing module and a positioning module, wherein the shearing module and the positioning module are arranged on the base. The positioning module comprises a bottom tray and a plurality of positioning detents which are arranged on the bottom tray along the radial direction of the bottom tray in a movable mode. When a product is placed, the positioning detents are drawn close inwards and penetrate into the opening holes of the product, then the positioning detents expands outwards to press the inner periphery edges of the opening holes of the product in an abutting mode, and then the shearing module shears a water opening of the product. The shearing device can conduct positioning to products effectively, and facilitates the subsequent shearing process.

Description

Shear

Technical field

The present invention relates to a kind of shear, particularly relate to a kind of water gap shearing device.

Background technology

Be to save cost, common a plurality of plastic parts can be simultaneously by inject, the mode such as transfer is one-body molded.After moulding, then by shear, the mouth of a river that plastic parts forms in forming process is sheared, thereby each plastic parts is separated into separately independently part.Yet existing shear normally passes through clamp clamps with plastic parts, and then shears.The part that causes plastic parts to be held if the middle part of plastic parts is provided with larger perforate is less, and existing shear can't carry out gripping to it effectively locates, thereby has influence on follow-up shear history.

Summary of the invention

In view of this, be necessary to provide a kind of can be effectively to the shear of product orientation.

A kind of shear, be used for the mouth of a river of product with perforate is sheared, it comprises a base, is installed on a clamping module and a shear module on base, this clamping module comprises a chassis and is connected in some locating detents on chassis, these locating detents radially are flexibly connected with the chassis along the chassis, these locating detents come closer each other and jointly penetrate in the perforate of product when placing product, and then outwards move to the inner peripheral that compresses the product perforate and to product orientation, this shear module is sheared the mouth of a river of product again.

This shear has been owing to having used the clamping module, and during to product orientation, the locating detent of clamping module will first draw in and penetrate in the perforate of product when needs, and then the outside mobile inner peripheral that compresses the product perforate.Thus, under the effect of the outside expansionary force of locating detent, product is fixed on locating detent effectively, thus convenient follow-up shear history.

Description of drawings

Fig. 1 is the three-dimensional assembly diagram of the shear of one embodiment of the invention.

Fig. 2 is the enlarged drawing of work table of the shear of Fig. 1.

Fig. 3 is the exploded view of the work table of Fig. 2.

Fig. 4 is the inversion figure of the work table of Fig. 3.

Fig. 5 is the exploded view of fixture of the work table of Fig. 3.

Fig. 6 is the view of another angle of the fixture of Fig. 5.

Fig. 7 is the assembly drawing of the fixture of Fig. 5.

The main element symbol description

Support	10
		Work table	20
Base	22
		Framework	24
Magnechuck	26
		Product	30
Part	32
		Perforate	320
The mouth of a river	34
		Stub bar	36
Shear module	40
		Pedestal	42
Supporting seat	44
		Cylinder	440
Shearing tool	46
		Sliding bar	48
Positioning module	50
		The chassis	52
Locating detent	54
		Plug section	540
Step	542
		The clamping module	60
Gripper shoe	62
		Suction nozzle	64
Tracheae	640
		Sucker	642
Fixture	70
		Connecting rod	72
First connecting rod	720
		Second connecting rod	722
The first draw-in groove	724
		The second draw-in groove	726
Cramp	728
		Clamping part	74
Groove	740
		Holder	80
Plate body	82
		Side plate	84
Projection	840
		Through hole	842
The first baffle plate	86
		Plate body	860
Through hole	861
		Projection	862
Projection	864
		Perforation	867
Fluting	868
		Fastening arm	869
Connection Block	90
		Contiguous block	92
Accepting groove	920
		Second baffle	94
Plate body	940
		Projection	942
Perforation	944
		Fluting	946
Fastening arm	947
		Through hole	948
Step	949

The following specific embodiment further illustrates the present invention in connection with above-mentioned accompanying drawing.

The specific embodiment

See also Fig. 1 and 3, show the stereogram of the shear of one embodiment of the invention.This shear comprises a support 10 and is fixed in work table 20 on support 10.This shear is used for product 30 is sheared.This product 30 comprise two ring-types plastic cement part 32, connect a horizontally extending mouth of a river 34 of two parts 32 and be formed at the vertical stub bar 36 at 34 middle parts, the mouth of a river.The middle part of each part has a perforate 320.

See also Fig. 2, this work table 20 comprises a base 22, be installed on two on base 22 shear module 40, be fixed in base 22 a framework 24, be fixed in the clamping module 60 that two positioning modules 50 and on framework 24 are located at positioning module 50 tops.

This base 22 is fixed on support 10, to support shearing module 40 and positioning module 50.In the present embodiment, base 22 comprises some magnechucks 26, and it can be adsorbed on support 10 surfaces after energising, thereby work table 20 is fixed on support 10.Two shear the relative both sides that module 40 is located at respectively base 22, and each is sheared module 40 and comprises the shearing tool 46 that a pedestal 42, is located at the supporting seat 44 on pedestal 42 and is articulated in supporting seat 44.This pedestal 42 is movably connected on base 22 by some sliding bars 48, and pedestal 42 can slide along sliding bar 48 side direction on base 22 thus, thereby changes the position with respect to product 30.This supporting seat 44 inside are provided with a cylinder 440.This shearing tool 46 will automatically close up after cylinder 440 ventilation and realize action to the mouth of a river 34 shearings.

This framework 24 is fixed in two to be sheared between module 40.Two positioning modules 50 are fixed in the top of framework 24.Each positioning module 50 comprises a chassis 52 and is movably connected on some locating detents 54 on chassis 52.In the present embodiment, this chassis 52 comprises a cylinder.These locating detents 54 can be along the chassis 52 radially close up or expand, thereby change relative distance between each locating detent 54.When locating detent 54 was in rounding state, the diameter of the common outer peripheral edges that form of 54 of these locating detents was less than the internal diameter of part 32 perforates 320, thereby locating detent 54 can be inserted in the perforate 320 of part 32.When the ventilation effect of locating detent 54 suspension chassis 52 and when expanding outwardly, the outer peripheral edges of locating detent 54 will closely compress perforate 320 inner peripherals of part 32, thereby part 32 is played fixation.One step 542 and a section that plugs 540 higher than step 542 are formed on the top of each locating detent 54.This plugs in the perforate 320 that section 540 is used for penetrating part 32 and the inner peripheral of butt perforate 320, and this step 542 is used for after plugging section 540 and compress the inner peripheral of perforate 320 bottom surface of butt part 32 again, thus further support part 32.

See also Fig. 4-7, this clamping module 60 comprises a gripper shoe 62, be connected in four suction nozzles 64 of gripper shoe 62 bottom surfaces and be fixed in a fixture 70 of gripper shoe 62 bottom surfaces.Each suction nozzle 64 is comprised of a tracheae 640 and the sucker 642 that is fixed in tracheae 640 belows.Suction nozzle 64 is used for holding each annular element 32, thereby product 30 is moved on shear from receiver.This fixture 70 comprises that the connecting rod 72 and two of a holder 80, a connecting seat 90, some connection fixing bases 80 and Connection Block 90 is articulated in the clamping part 74 of Connection Block 90.This holder 80 comprises that one is fixed in the plate body 82 of gripper shoe 62 bottom surfaces and the side plate 84 that extends vertically upward from an end of plate body 82.This side plate 84 forms in the middle a projection 840 and offers four-way hole 842 in the surrounding of projection 840.This holder 80 also comprises one first baffle plate 86.This first baffle plate 86 comprises a plate body 860, at plate body 860 towards the shape that forms on the surface of side plate 84 projection corresponding with projection 840 862 and form a projection 864 on the surface of Connection Block 90 at plate body 860.The shape of this projection 864 is different from the shape of projection 840, and the thickness of projection 864 is greater than the thickness of projection 840.This projection 864 is offered a perforation 867 in the middle, and forms one along the fluting 868 of lateral communication perforation 867 with the outside.This projection 864 forms two fastening arms 869 in the both sides up and down of this fluting 868.This two fastening arm 869 is separated by this fluting 868.Two fastening arms 869 are opened the lockhole (figure is mark not) that is respectively equipped with two alignment.This two fastening arm 869 can be subjected to External Force Acting and mutually draw close, and then drives other part generation deformation of projection 864, and the internal diameter of perforation 867 is diminished.This first baffle plate 86 also offers four-way hole 861 in the surrounding of its projection 864.Align one by one in the four-way hole 842 of the four-way hole 861 of this first baffle plate 86 and side plate 84.

This Connection Block 90 comprises a contiguous block 92 and is fixed in a second baffle 94 of contiguous block 92 sides.The end of this contiguous block 92 forms an accepting groove 920, is used for accommodating two clamping parts 74.The horizontal subtend setting of this two clamping part 74, end both is articulated in the accepting groove 920 of contiguous block 92.This two clamping part 74 can open or close up around the end of one side along continuous straight runs, thereby realizes the holding action to stub bar 36.Two clamping parts 74 are offered respectively a semicircular groove 740 its two apparent surface near on the position of end side.This two semicircular groove 740 is the common groove that forms a circle when two clamping parts 74 close up, just to accommodate stub bar 36.This second baffle 94 comprises a plate body 940 and form one projection 942 at plate body 940 on the surface of the first baffle plate 86.The shape of the projection 942 of this second baffle 94 is consistent with projection 864 shapes of the first baffle plate 86, and the fluting 946 of a perforation 944 and communication bores 944 and outside is also offered at its middle part.This second baffle 94 is also offered four-way hole 948 in its protruding 942 surroundings, and forms a step 949 in the inside of each through hole 948.The diameter of the through hole 948 of second baffle 94 is less than the diameter of the through hole 861 of the first baffle plate 86.

These connecting rods 72 comprise the first connecting rod 720 of a flexibility and the second connecting rod 722 of four rigidity.The length of this first connecting rod 720 is less than the length of second connecting rod 722, and diameter is greater than the diameter of second connecting rod 722 and suitable with the internal diameter of perforation 867,944.The opposite end of this first connecting rod 720 is inserted in respectively in two perforation 867,944 of the first baffle plate 86 and second baffle 94.After first connecting rod 720 inserts in perforation 867,944, screw or other fixture (not shown) can be passed fastening arm 869,947 lockhole, oppress fastening arm 869,947 deformation occurs in opposite directions, and then 867,944 the internal diameter that reduces to bore a hole, thereby reliably with first connecting rod 720 lockings on the first baffle plate 86 and second baffle 94.Because first connecting rod 720 is the flexible material manufacturing, so deformation by a relatively large margin can occur in it, thereby makes clamping part 74 clamp flexibly stub bar 36, avoids traditional stub bar that the rigidity clamping causes 36 to be subjected to the drive of clamping part 74 and to locate inaccurate problem.

Each second connecting rod 722 is arranged in the respective through hole 861,948 of the first baffle plate 86 and second baffle 94.One end of each second connecting rod 722 passes and convexedly stretches in outside the first baffle plate 86 from the through hole 861 of the first baffle plate 86, and the other end penetrates the through hole 948 of second baffle 94 and is housed in fully in the through hole 948 of second baffle 94.Each second connecting rod 722 is being offered 2 first draw-in grooves 724 near its end that penetrates the first baffle plate 86, and is offering one second draw-in groove 726 near the other end that penetrates second baffle 94.The spacing of these 2 first draw-in grooves 724 is greater than plate body 860 thickness of the first baffle plate 86.The diameter of each second connecting rod 722 is less than through hole 861 internal diameters of the first baffle plate 86, and suitable with through hole 948 internal diameters of second baffle 94.One end of each second connecting rod 722 is after the through hole 861 that penetrates the first baffle plate 86, and its 2 first draw-in groove 724 lays respectively at the relative both sides of the first baffle plate 86.Two cramps 728 are fastened on respectively on 2 first draw-in grooves 724, thereby an end of second connecting rod 722 is movably installed on the first baffle plate 86.The external diameter of cramp 728 comes off from the first baffle plate 86 to prevent second connecting rod 722 greater than the internal diameter of the through hole 861 of the first baffle plate 86.Due to plate body 860 thickness of the distance between two cramps 728 greater than the first baffle plate 86, and the diameter of second connecting rod 722 is less than the internal diameter of through hole 861, therefore an end of second connecting rod 722 can move freely within the specific limits, and can not be locked on the first baffle plate 86.The other end of second connecting rod 722 is inserted in the through hole 948 of second baffle 94 and the opposite flank of the seat 90 that is connected.Second connecting rod 722 is connected on its second draw-in groove 726 by a cramp 728 and is fixed on second baffle 94.This cramp 728 is connected on the interior step 949 of through hole 948, thereby the other end that prevents second connecting rod 722 comes off in second baffle 94.This kind end of second connecting rod 722 is flexibly connected and effect that the other end is fixedly connected with is the deformation of first connecting rod 720 is carried out spacing, prevents that its deformation amplitude is excessive.

When this shear uses, at first hold the annular element 32 of product 30 by the suction nozzle 64 of clamping module 60, product 30 is taken out in accommodation device.Then, adjust the position of clamping module 60, make each perforate 320 alignings of product 30 be in accordingly the locating detent 54 of rounding state, then product 30 is passed the section that plugs 540 of locating detent 54 and be placed on the step 542 of locating detent 54.Afterwards, to chassis 52 ventilation, perforate 320 inner peripherals that locating detent 54 outwards moved to closely compress each part 32.Clamping module 60 is clamped the stub bar 36 of product 30 immediately by the clamping part 74 of its fixture 70, thereby further product 30 is positioned.Afterwards, shear module 40 and move towards part 32, and make shearing tool 46 cut off the mouth of a river 34 between part 32 by cylinder 440 ventilations, two parts 32 are separated with the mouth of a river 34.At last, then by suction nozzle 64, the part 32 that separates is put into pallet, together put into ash can by stub bar 36 and the mouth of a river 34 that fixture 70 will be cut, thereby complete the shear history to product 30.

Owing to having used the locating detent 54 that is movably set on chassis 52, therefore can effectively position the product 30 that perforate 320 is arranged.And fixture 70 can weaken clamping part 74 for the location impact of product 30 stub bars 36 effectively by the first connecting rod 720 of flexibility, makes product 30 inaccurate situation can not occur locating due to the site error of fixture 70.Therefore, shear of the present invention can reach higher shear precision (0 ~ 0.05mm), be applicable to the shearing demand of various perforate products 30.

Claims

1. shear, be used for shearing the mouth of a river of the product with perforate, comprise a base, be installed on the shearing module of one on base and a location module, this positioning module comprises a chassis and radially is movably connected on some locating detents on the chassis along the chassis, during to product orientation, locating detent first comes closer each other and penetrates in the perforate of product, and then expands outwardly to the inner peripheral that compresses the product perforate, shears module and the mouth of a river of product is sheared again.

2. shear as claimed in claim 1 is characterized in that: each locating detent comprises that one penetrates the section that plugs in perforate and the step of a support product bottom surface, and this step plugs section lower than this.

3. shear as claimed in claim 1 is characterized in that: also comprise a fixture, this fixture clamps the stub bar on the mouth of a river of being connected in of product when shearing the module shear product mouth of a river.

4. shear as claimed in claim 3 is characterized in that: this fixture comprises that a holder, elasticity are connected in a connecting seat of holder and are used for clamping two clamping parts of product stub bar, and this two clamping part is articulated in Connection Block.

5. shear as claimed in claim 4 is characterized in that: Connection Block is connected with holder by the first connecting rod of a flexibility.

6. shear as claimed in claim 5 is characterized in that: this Connection Block also is connected with holder by the second connecting rod of a rigidity.

7. shear as claimed in claim 6, it is characterized in that: an end of second connecting rod is movably connected on holder, and the other end is fixedly connected on Connection Block.

8. shear as claimed in claim 7, it is characterized in that: this holder comprises the first baffle plate of offering through hole, this end of second connecting rod is arranged in the through hole of the first baffle plate and is positioned on the first baffle plate by two cramps, and the spacing of this two cramp is greater than the thickness of the first baffle plate.

9. shear as claimed in claim 8, it is characterized in that: the internal diameter of through hole is greater than the diameter of second connecting rod.

10. shear as claimed in claim 1, is characterized in that: comprise that also this suction nozzle and fixture are fixed on a gripper shoe jointly for the suction nozzle of drawing product.