CN2853293Y

CN2853293Y - Electric permanent magnetic pallet for transfer

Info

Publication number: CN2853293Y
Application number: CN 200520123930
Authority: CN
Inventors: 徐式逴
Original assignee: Tianjin Machinery & Electric Industry Technological Information Institute
Current assignee: Tianjin Machinery & Electric Industry Technological Information Institute
Priority date: 2005-12-13
Filing date: 2005-12-13
Publication date: 2007-01-03
Anticipated expiration: 2015-12-13

Abstract

The utility model relates to a deliver energy-consuming permanent magnetism follower fixture, comprising a chuck box formed by a bottom board, a sideboard and an end plate. The bottom board is provided with composite reversible magnets, with actuating coils sleeved on the reversible magnets. Every composite reversible magnet is provided with a polar block. A neodymium iron boron main magnet is inserted alternatively between the N and S pole. Falling left stroke card polar caps and right-falling stroke card polar caps are fixedly installed above the pole block alternatively. A copper main pipe is arranged on the bottom board, with a plurality of copper branch pipes connected on the copper main pipe and extends to the top side of the fixture along the chine of the poles. A guide chase is arranged outside the two side boards of the copper main pipe and panels are equipped on two sides of the guide chase. The deliver energy-consuming permanent magnetism follower fixture has the advantages that deliver energy-consuming permanent magnetism follower fixture as a clipping appurtenance for jetting works, is capable of fast clipping and releasing work-piece, and acquires high anti side shear force when works travel the work-piece, thereby achieving barrier-free step and shift-in of elongated steel work-pieces, and ensuring the precise positioning during jetting and high accuracy of the jetting position of work-pieces.

Description

The transmission electric permanent-magnet following clamp

Technical field

The utility model belongs to machining clamping device field, particularly relates to a kind of transmission electric permanent-magnet following clamp of accessible retinue location when being used for stamping machine to the continuous punching press feeding of long steel plate.

Background technology

At present in mechanical processing industry, especially see so that the automobile beam more for the continuous punching of long steel plateelement, because the capacity of stamping machine is limit, the length of its drift group is general all in one meter, move punching and just need carry out repeatedly stepping for the automobile beam workpiece of one 12 meters long of processing, but because Workpiece length, the variation of width and thickness, the tail end that its feeding method adopts dop to block workpiece is usually pushed ahead, stepping displacement punching then, because dop is clamped in the elongated workpiece distal portion, be that dop is far away apart from staking punch, simultaneously again because the resistance that workpiece is advanced and the influence of vibration can't guarantee the accurate location of workpiece in the drift position, so deviation appears in the position of workpiece punching easily, thereby influenced the quality of workpiece punching, brought many troubles to production and processing.

The utility model content

The utility model provides a kind of transmission electric permanent-magnet following clamp for solving the technical problem that exists in the known technology, it is punching additional lock clamping tool as workpiece, can clamp and release workpiece fast, and have high anti side shear force when accompanying, realized in the punching of microscler steel part stepping displacement the high accuracy of accurate location and workpiece punching position with workpiece.

The technical scheme that the utility model is taked for the technical problem that exists in the solution known technology is:

Transmit and use electric permanent-magnet following clamp, comprise by base plate, the anchor clamps box body that side plate and end plate surround, the combined type reversible magnetic body of array aluminium nickel cobalt material system is housed on base plate, every group of reversible magnetic body is set with magnet exciting coil outward, every group of reversible magnetic body top is mounted with bar shaped utmost point piece, N between bar shaped utmost point piece, the S utmost point replaces insert neodymium iron boron master magnet, bar shaped utmost point piece top alternately is fixed with the line shape polar caps that increases anti-shear force, the pallet inner chamber is equipped with the pneumatic dust collection pipeline, at anchor clamps two side plate arranged outside direction recess, direction recess one side is equipped with the plane panel, and opposite side is equipped with the panel that two inclined-planes match.

The utility model can also adopt following technical measures:

Described line shape polar caps is made by paired left-falling stroke line and right-falling stroke line high-abrasive material respectively.

Described pneumatic dust collection pipeline is to be made of the copper arm that U-shaped copper main that places base plate top and the multiple branches that is communicated with it weld out the end face bar shaped utmost point piece.

The direction recess in the two side plates outside is by having trough with straight angle and form at its following installation bar shaped buting iron on side plate.

In the panel that described two inclined-planes match, one of them is designed to the constant inclined surface panel, and another is the adjustable ramp panel, is provided with one and regulates slotted hole on the adjustable ramp panel, and it mainly is the lateral clearance that is used to be adjusted at the pallet in the guide rail.

Advantage and the good effect that the utlity model has are: main effect of the present utility model is auxiliary elongated steel sheet punching location, and be and the accessible retinue of workpiece, so not only require this pallet to possess behind the absorption workpiece and have bigger anti side shear force, and himself weight wants light, so the utility model has structurally adopted no magnetic yoke structure loss of weight and increased left-falling stroke line magnetic hat and the right-falling stroke line magnetic alternately installed above bar shaped utmost point piece and is preced with the scheme of strengthening its anti side shear force; In addition for ease of installing, on the two side plates outside of pallet, direction recess and plane panel and inclined-plane panel are set, the lateral clearance that is contained in the pallet in the guide rail can be adjusted, under the alternating action of stamping machine and pallet, though workpiece moves near stamping machine step by step, but be in the located lateral state forever, so can reach the punching precision of anticipation.Along anchor clamps inner chamber base plate top the copper main is installed, on the copper main, be connected with several copper arms of communicating with it and extend to the pallet end face along the slit of magnetic pole, can before workpiece and pallet adhesive, carry out dedusting, to avoid because stamping machine punching vibration dust or oxide etc. on falling on the pallet, thereby guaranteed the magnetic force of pallet.

Description of drawings

Fig. 1 is a front view of the present utility model;

Fig. 2 is the vertical view of Fig. 1;

Fig. 3 is the utility model excited state fundamental diagram;

Fig. 4 is the utility model demagnetized state fundamental diagram;

The transmit mode schematic diagram that Fig. 5 is the utility model when punching press continuously.

Among the figure: 1 base plate, 2 side plates, 3 side plates, 4 end plates, 5 end plates, 6 reversible magnetic bodies, 7 magnet exciting coils, 8 bar shaped utmost point pieces, 9 main magnets, 10 cast aside the line polar caps, 11 press down the line polar caps, 12 bronze medal mains, 13 air admission holes, 14 bronze medal main tail ends, 15 bronze medal arms, 16 trough with straight angle, 17 bar shaped buting iron, 18 direction recess, 19 plane panels, 20 constant inclined surface panels, 21 adjustable ramp panels, 22 regulate slotted hole, 23 plugs, 24 ringlet magnetic fluxs, 25 ringlet magnetic fluxs, 26 great circle magnetic fluxs, 27 great circle magnetic fluxs, 28 short circuit fluxs, 29 short circuit fluxs, 30 drifts, 31 workpiece, 32 punch dies, pallet before 33, position after the 33 ' preceding pallet stepping, 34 back pallets, position after the pallet stepping of 34 ' back, 35 guide rails, 36 guide rails, position after the stepping of 36 ' workpiece, 37 carrying rollers, 38 epoxy resin.

The specific embodiment

For further understanding utility model content of the present utility model, characteristics and effect, exemplify following examples now, and conjunction with figs. is described in detail as follows:

See also Fig. 1 and Fig. 2, transmit and use electric permanent-magnet following clamp, comprise base plate 1 by the low-carbon (LC) steel,

side plate

2,3 and end plate 4, the 5 pallet box bodys that surround, the combined type reversible magnetic body 6 of 2-16 group aluminium nickel cobalt material is housed on base plate 1, outside every group of reversible magnetic body 6, be set with magnet exciting coil 7, every group of reversible magnetic body 6 tops are mounted with bar shaped utmost point piece 8, between bar shaped utmost point piece 8 with the N utmost point, the S utmost point replaces the main magnet 9 of insert NdFeB material, bar shaped utmost point piece 8 tops alternately are fixed with through heat treated left-falling stroke line polar caps 10 and press down line polar caps 11, so that aforementioned polar caps has bigger anti side shear force and wearability preferably.Consider that pallet is the below that is clamped in workpiece, when being hit vibration, fall to going up dust or oxide etc. on it easily, can have influence on the magnetic force of pallet thus, so before pallet adhesive workpiece, need to carry out dedusting, along anchor clamps inner chamber base plate top the copper main 12 that takes the shape of the letter U is installed for this reason, copper main head end is an air admission hole 13, and draw by end plate 5, copper main tail end 14 draws the back by the end plate 5 of homonymy and shutoff becomes blind end, is connected with 4-10 the copper arm 15 that communicates with it on copper main 12, and described copper arm extends to the pallet end face along the slit of bar shaped utmost point piece 8, when the needs dust discharge, air admission hole 13 is connected with electromagnetic gas valve.Easy for installation in when operation for this pallet, the arranged outside direction recess 18 in anchor clamps two

side plates

2 and 3, this direction recess are by processing trough with straight angle 16 on side plate, and bar shaped buting iron 17 has been installed and is formed in trough with straight angle bottom.The plane panel 19 of suitable hardness is installed in direction recess one side, opposite side is equipped with constant inclined surface panel 20 and the adjustable ramp panel 21 that matches on two inclined-planes, have one and regulate slotted hole 22 on adjustable ramp panel 21, it is adjustable can making the lateral clearance that is contained in the pallet in the guide rail like this.One end plate 5 of this pallet is provided with connector head 23, and described magnet exciting coil 7 is through being picked out by the plug on the end plate 5 23 after the connection in series-parallel.Also be cast with epoxy resin 38 in the described pallet.

Operation principle of the present utility model is:

See also Fig. 3 and Fig. 4, main magnet 9 (NdFeB material) N, the S utmost point alternately are embedded in the middle of the utmost point piece 8, after magnet exciting coil 7 forward excitations, (only need about 0.5 second), the magnetic direction of reversible magnetic body 6 (aluminium nickel cobalt material) as shown in Figure 3, the magnetic flux of at this moment main magnet 9 passes through workpiece along ringlet 24,25, the then every two adjacent groups series connection in the magnetic field of reversible magnetic body 6 by workpiece, so the workpiece adhesive is clamped, still keeps this clamped condition along great circle 26,27 after the outage.When magnet exciting coil 7 reverse excitations (only needing about 0.5 second), the pole reversal of reversible magnetic body 6 as shown in Figure 4, the reversible magnetic body of the magnetic flux of main magnet 9 by adjacent two serial connections is voluntarily shown in the short circuit 28,29, do not pass through because of workpiece has magnetic flux this moment, the workpiece loss of excitation, pallet discharges, and also keeps release conditions after the outage.

This pallet is the continuously application during punching press on stamping machine:

See also Fig. 5, the drift 30 of stamping machine is positioned at the top of elongated workpiece 31, punch die 32 is positioned at the below of workpiece, electric permanent-magnet following clamp 33 and the guide rail 35 corresponding before below the workpiece of stamping machine the place ahead, being equipped with it, be contained in the pallet 34 of workpiece below, stamping machine back and the guide rail 36 corresponding with it, be provided with carrying roller 37 outside the pallet scope, transversely adjustable gaps is whole to required numerical value between pallet and guide rail, and above-below direction can have the amount of scurrying of 0.5-1mm.Workpiece is that the dop by its afterbody blocks and sends (not shown among Fig. 5) to, when workpiece during in guide rail 35 positions, the drift of stamped workpieces punching promotes, the pallet 33 of this moment, 34 have been in before and after the stamping machine, clamping work pieces under the progradation of dop workpiece step further to 36 ' the position, and pallet also takes a step forward to corresponding 33 ' and 34 ' position with workpiece, stamping machine will carry out precompressed before punching press, during precompressed, can be with pallet 33,34 discharge rapidly, 0.5-1mm sinks under the deadweight effect, (can adopt) the rapid reposition of pallet this moment under external force pneumatic, after the of short duration dedusting, clamp rapidly again (adhesive), prepare next stepping.Under the alternating action of stamping machine and pallet,, be in the located lateral state forever, near stamping machine so can reach the punching precision of anticipation though workpiece moves step by step.

Claims

1. transmission electric permanent-magnet following clamp, comprise by base plate, the anchor clamps box body that side plate and end plate surround, the combined type reversible magnetic body of array aluminium nickel cobalt material system is housed on base plate, every group of reversible magnetic body is set with magnet exciting coil outward, it is characterized in that: every group of reversible magnetic body top is mounted with bar shaped utmost point piece, N between bar shaped utmost point piece, the S utmost point replaces insert neodymium iron boron master magnet, bar shaped utmost point piece top alternately is fixed with the line shape polar caps that increases anti-shear force, the pallet inner chamber is equipped with the pneumatic dust collection pipeline, at anchor clamps two side plate arranged outside direction recess, direction recess one side is equipped with the plane panel, and opposite side is equipped with the panel that two inclined-planes match.

2. transmission electric permanent-magnet following clamp according to claim 1 is characterized in that: described line shape polar caps is made by paired left-falling stroke line and right-falling stroke line high-abrasive material respectively.

3. transmission electric permanent-magnet following clamp according to claim 1 is characterized in that: described pneumatic dust collection pipeline is to be made of the copper arm that U-shaped copper main that places base plate top and the multiple branches that is communicated with it weld out the end face bar shaped utmost point piece.

4. transmission electric permanent-magnet following clamp according to claim 1 is characterized in that: the direction recess in the two side plates outside is by having trough with straight angle and form at its following installation bar shaped buting iron on side plate.

5. transmission electric permanent-magnet following clamp according to claim 1, it is characterized in that: in the panel that described two inclined-planes match, one of them is designed to the constant inclined surface panel, and another is the adjustable ramp panel, is provided with one and regulates slotted hole on the adjustable ramp panel.