CN2810821Y

CN2810821Y - Griping structure of automatic rod feeding machine

Info

Publication number: CN2810821Y
Application number: CN 200520113069
Authority: CN
Inventors: 廖昕祚
Original assignee: GIULIANI IEMCA MACHINERY CO Ltd
Current assignee: GIULIANI IEMCA MACHINERY CO Ltd
Priority date: 2005-07-26
Filing date: 2005-07-26
Publication date: 2006-08-30
Anticipated expiration: 2015-07-26

Abstract

The utility model relates to a clamping structure of an automatic rod feeding machine, which is arranged on the intermediate section of a feeding tank of the rod feeding machine. The utility model comprises a guide plate which is arranged below the feeding tank and can be driven to displace horizontally, an arm swinging device which is controlled to deflect by the guide plate and a clamping device which is controlled to displace by the arm swinging device, wherein the guide plate is provided with a horizontally projecting breaking plate, and the arm swinging device is provided with two swinging arms which are pivoted on a machine station; a linkage relation of opposite deflection or reverse deflection is formed between the two swinging arms by a connecting rod, wherein one swinging arm is pivoted on a control plate and the control plate is projected out of the end of the swinging arm and is pivoted on a pulley wheel which is abutted on the circumference of the breaking plate in normal. When the breaking plate is moved toward the side of the swinging arms, two clamping seats can be displaced to the opposite direction or the reverse direction by the two swinging arms driving and then the rods can be clamped or loosened.

Description

The clamp structure of steel bar automatic feeding machine

Technical field

The utility model is a kind of clamp structure of steel bar automatic feeding machine, when this structure is exclusively used in lathe turning, automatically bar is sent into the equipment of headstock.

Background technology

The bar feeder places automatic lathe, the headstock of machine for automatic working tools such as CNC lathe should be held, utilize a chuck clipping bar, and bar sent in the lathe process, and the manner of execution of steel bar automatic feeding machine is after bar is sent into a chute feeder, driving a stack pallet with drive mechanism moves, with short push rod bar is pushed forward by stack pallet, making wherein, an end enters in the lathe mandrel of automatic lathe, the other end then is positioned at half position of chute feeder approximately, stack pallet is retreated together with short push rod to be resetted, again a long push rod is sent in the chute feeder, by short push rod long push rod is passed forward, and in the process that long push rod is passed forward, utilize the clamp structure clipping bar of position in the chute feeder stage casing, place for the chuck that is positioned at long push rod end and to clamp bar, then remove the clipping dress attitude of this clamp structure, promptly can be by long push rod passing bar.

And in the middle of the clamp structure of existing steel bar automatic feeding machine, the TW that had checked and approved already just like this case applicant announces " autoloader clamp structure " novel patent case No. 376793, its be with guide plate 55 difform on, following guide lug 56,57 keep supplying respectively, following grip slipper 30,40 roller 36,45 against, and then in the control, following grip slipper 30,40 clamping bars, perhaps unclamp bar, yet, owing to it is controlled respectively and is difficult for making, and, when desiring the bar that the clamping external diameter differs greatly, need rotate this adjustment screw rod 37 with instrument, and then change the position of tool heads 39 and rather inconvenience.

Summary of the invention

In order to improve above-mentioned defective, main purpose of the present utility model is to provide a kind of and has single drives structure, and does not need to adjust promptly the clamp structure of bar that can the clamping various outer diameter.

Based on above-mentioned purpose, major technique means of the present utility model comprise that one is positioned at the chute feeder below, can be along the guide plate of chute feeder bearing of trend displacement, and guide plate is provided with the outstanding stopper plate of a level, and this stopper plate has a hypotenuse at least; One swinging arm device, have two and place the swing arm that is hubbed on the board by pivot respectively, connect with a connecting rod between two swing arms, the online of this connecting rod and two pivots interlocked, and wherein a swing arm is towards this end of stopper plate control panel that is pivoted, and control panel protrudes in the pulley that this end of swing arm and the normality that is pivoted are resisted against stopper plate week side, is provided with in swing arm in addition to be positioned at the wherein baffle plate of a side of control panel, baffle plate and control panel keep a little spacing, are provided with spring between control panel and the baffle plate; One clamping device, be positioned at swing arm and differ from this side top of control panel, it comprises one in order to be fixed on the holder on the board, the bearing of trend of holder is vertical with the feed direction of chute feeder, be provided with a storage tank in holder inside, be provided with in the holder stage casing again one communicate with storage tank wear groove, other is positioned on the storage tank of wearing the groove both sides, be respectively equipped with an elongated slot that runs through the storage tank bottom and extend in the same way with holder, in addition, be provided with two only by the holder of swing arm control along the elongated slot displacement in storage tank, two holders this side in opposite directions are provided with the V-arrangement clamping part that interlaces.

Implement after the above-mentioned technological means, when guide plate during towards this side shifting of swing arm, pulley promptly can make two swing arm beats along the displacement of stopper plate periphery, impels two holders in opposite directions or oppositely displacement, and then clamping or loosen bar.And the utlity model has several advantages:

1. interlock design simplification, and be easy to make: the utility model promptly can be controlled clipping or decontrol bar as long as cooperate stopper plate on the guide plate with a roller, and its design is comparatively simple and be easy to make.

2. under unjustified, promptly very convenient applicable to the bar of various external diameters: the utility model can be by the spring of control panel and baffle plate, form automatic compensating action, and change control panel deflection angle, so, the utility model does not need through adjusting promptly applicable to the bar of various outer diameter, and its operation is very convenient, can improve the defective that existing product need be adjusted.

Description of drawings

Fig. 1 three-dimensional appearance schematic diagram of the present utility model.

Fig. 2 the utility model places the sectional perspective schematic appearance of bar.

Fig. 3 sectional perspective decomposing schematic representation of the present utility model.

The perspective exploded view of Fig. 4 clamping device of the present utility model.

Fig. 5 the utility model clamps the sectional perspective schematic appearance of bar.

The schematic top plan view of the bar that Fig. 6 the utility model clamping external diameter is less.

The schematic top plan view of the bar that Fig. 7 the utility model clamping external diameter is bigger.

Symbol description among the figure:

1 clamp structure, 10 guide plates

11 base plates, 12 side plates

13 stopper plates, 15 tooth bars

20 swinging arm devices, 200 pivots

21,22 swing arms

210,220 grooves

23 connecting rods

24 control panels, 240 storage tanks

241 springs, 242 spherical protruded stigmas

25 baffle plates, 26 bumping posts

27 pulleys, 30 clamping devices

31 holders, 310 storage tanks

311 wear groove 312 elongated slots

32,33 holders

320,330V shape clamping part

34 cylinders, 40 motors

60 chute feeders, 61 long push rods

610 chucks

A, A1 bar

The specific embodiment

See also Fig. 1, shown in Figure 2, the clamp structure 1 of steel bar automatic feeding machine provided by the utility model is located at chute feeder 60 stage casings approximately, clamp structure 1 comprises that one can be driven the guide plate 10 of horizontal displacement, one by the swinging arm device 20 of guide plate 10 control beats, one is subjected to the clamping device 30 of swinging arm device 20 control displacements, wherein, described guide plate 10 has a base plate 11 and side plate 12, be provided with the outstanding stopper plate 13 of a level in side plate 12, this stopper plate 13 generally is trapezoidal, and in the middle of present embodiment, a wherein end of guide plate 10 is provided with a tooth bar 15, be provided with a motor 40 that cooperates with tooth bar 15 in board in addition, drive guide plate 10 together with 13 horizontal displacements of stopper plate by motor 40, in addition, the drive unit that should form by motor 40 and tooth bar 15 can also cylinder pressure etc. other device for it.

Please consult Fig. 2 and shown in Figure 3 simultaneously, described swinging arm device 20 has two and places the swing arm 21 that is hubbed on the board by pivot 200 respectively, 22, two swing arms 21, connect with a connecting rod 23 between 22, this connecting rod 23 is positioned at two swing arms 21, the not homonymy of 22 pivots 200, that is connecting rod 23 and two pivots 200 is online staggered, make two

swing arms

21,22 are in opposite directions or the reverse continuous action relation of beat, and wherein a swing arm 21 differs from the control panel 24 that is pivoted on the plate body of clamping device 30 these ends, control panel 24 protrudes in swing arm 21 these ends and is pivoted and one is able to the pulley 27 that periphery is resisted against stopper plate 13 all sides, in swing arm 21, be fixed with the baffle plate 25 that lays respectively at 24 liang of adjacent sides of control panel in addition, bumping post 26, baffle plate 25 and bumping post 26 all keep a little spacing with control panel 24, on baffle plate 25 these sides, be concaved with two storage tanks 240 in control panel 24 in addition, in two storage tanks 240, place a spring 241 and a spherical protruded stigma 242 respectively, elastic force by spring 241 is shored, and the effect of placing restrictions on of bumping post 26, make spherical protruded stigma 242 normalities keep being resisted against baffle plate 25, the pulley 27 of control panel 24 is the state that supports towards guide plate 10 these thrusters of normality then.Described spring 241 can be a plurality of disk springs, can also be the compression spring.

Be concaved with a groove 210,220 respectively in two swing arms, 21,22 contiguous clamping device 30 these ends in addition, use control clamping device 30.

Please consult Fig. 3 and shown in Figure 4 simultaneously, described clamping device 30 is positioned at

swing arm

21,22 top and approximately contour with chute feeder 60 shown in Figure 1, it comprises one in order to be fixed on the holder 31 on the board, the bearing of trend of this holder 31 is vertical with the feed direction of chute feeder 60, be provided with a storage tank 310 in holder 31 inside, being provided with one again can pass for bar in holder 31 stage casings, and what communicate with storage tank 310 wears groove 311, this root edge of wearing groove 311 is not higher than the bottom land of chute feeder 60, other is positioned on the storage tank 310 of wearing groove 311 both sides, be respectively equipped with an elongated slot 312 that runs through storage tank 310 bottoms and extend in the same way with holder 31, in storage tank 310, insert two holders 32 in addition, 33, two

holders

32,33 in opposite directions this side be provided with the V-arrangement clamping part 320 that interlaces, 330, and two

holders

32,33 differ from clamping part 320,330 these ends are fixed a down projection and be piercing in the cylinder 34 of elongated slot 312 respectively, two cylinders 34 are piercing in this end of holder 31 bottoms and plug-in card in described

swing arm

21,22 groove 210, in 220, therefore, when two swing arms 21, during 22 beats, by the interlock of described connecting rod 23, promptly can impel two

holders

32,33 move in opposite directions or oppositely along elongated slot 312.

Please consult shown in Figure 2 again, original position of the present utility model is that the pulley 27 at control panel 24 is resisted against on the side of stopper plate 13, this moment two

holders

32,33 for mutually away from shape, when short push rod (not shown) pushes lathe before the first time and then with bar A front end, what the rear end of bar A promptly was placed through clamping device 30 wears groove 311, and after short push rod resets, again as shown in Figure 5, will be long push rod 61 when releasing, this guide plate 10 also is driven simultaneously and advances, make roller 27 along the hypotenuse of stopper plate 13 and move towards free ora terminalis, make two

swing arms

21,22 beats in opposite directions, and then make two holders 32 of

clamping device

30,33 displacements in opposite directions, when pulley 27 slides onto stopper plate 13 free ora terminalis, two

holders

32,33 are about to bar A is held on V-arrangement clamping part 320, between 330, for chuck 610 clippings of long push rod 61 in bar A end, move on and work as guide plate 10, make free end that pulley 27 crosses stopper plate 13 constantly, two

holders

32,33 is reverse displacement and remove the state of clipping bar A, makes long push rod 61 continue clipping bar A and advances.

Above-mentioned description for the utility model composition member and start, by as can be known described, as long as the utility model promptly can be controlled clipping or decontrol bar with the stopper plate on the roller cooperation guide plate, and it designs comparatively simply and is easy to and makes.In addition, see also Fig. 6, shown in Figure 7, the situation of the utility model clipping thin and thick bar A, A1, by two accompanying drawings as can be known, when even if the bar external diameter of clamping changes, the utility model can form automatic compensating action by the shoring and compress of the spring 241 in the control panel 24, and change control panel 24 deflection angles, with clipping bar A, A1, so the utility model does not need through adjusting promptly applicable to the bar of various outer diameter, its operation is very convenient.

Claims

1. the clamp structure of a steel bar automatic feeding machine is located at the chute feeder stage casing of steel bar automatic feeding machine, it is characterized in that, comprising:

One is positioned at the chute feeder below, can be along the guide plate of chute feeder bearing of trend displacement, and guide plate is provided with the outstanding stopper plate of a level, and this stopper plate has a hypotenuse at least;

One swinging arm device, have two and place the swing arm that is hubbed on the board by pivot respectively, connect with a connecting rod between two swing arms, the online of this connecting rod and two pivots interlocked, and wherein a swing arm is towards this end of stopper plate control panel that is pivoted, and control panel protrudes in the pulley that this end of swing arm and the normality that is pivoted are resisted against stopper plate week side, is provided with in swing arm in addition to be positioned at the wherein baffle plate of a side of control panel, baffle plate and control panel keep a little spacing, are provided with spring between control panel and the baffle plate;

One clamping device, be positioned at swing arm and differ from this side top of control panel, it comprises one in order to be fixed on the holder on the board, the bearing of trend of holder is vertical with the feed direction of chute feeder, be provided with a storage tank in holder inside, be provided with in the holder stage casing again one communicate with storage tank wear groove, other is positioned on the storage tank of wearing the groove both sides, be respectively equipped with an elongated slot that runs through the storage tank bottom and extend in the same way with holder, be provided with two in addition only by the holder of swing arm control along the elongated slot displacement in storage tank, two holders this side in opposite directions are provided with the V-arrangement clamping part that interlaces.

2. the clamp structure of steel bar automatic feeding machine as claimed in claim 1, it is characterized in that, describedly be provided with this swing arm of control panel and be provided with a bumping post that is positioned at control panel one side, this bumping post and baffle plate lay respectively at two adjacent sides of control panel, and all keep a gap with control panel.

3. the clamp structure of steel bar automatic feeding machine as claimed in claim 1 or 2 is characterized in that, the described spring of being located between control panel and the baffle plate is formed by a plurality of disk springs.

4. the clamp structure of steel bar automatic feeding machine as claimed in claim 1 or 2, it is characterized in that, be concaved with two storage tanks in control panel towards this side of baffle plate, place a spring and a spherical protruded stigma respectively in two storage tanks, the spherical ora terminalis normality of this sphere protruded stigma is resisted against on the baffle plate.

5. the clamp structure of steel bar automatic feeding machine as claimed in claim 4 is characterized in that, two swing arms are concaved with a groove respectively away from this end of control panel, and two holders of clamping device then are respectively equipped with and are piercing in elongated slot, and the cylinder of plug-in card in the swing arm groove.

6. the clamp structure of steel bar automatic feeding machine as claimed in claim 5 is characterized in that, a described guide plate wherein end is provided with a tooth bar, is provided with a motor that cooperates with tooth bar in board in addition.