A kind of adjustable stamping die
The present invention relates to metal forging field, specially a kind of adjustable stamping die.
Stamping die in traditional use generallys use guide pillars and bushes and carries out auxiliary molding, such mode of operation, by
It is damaged in the excessive guide pillars and bushes that easilys lead to of impact force, and maintenance die is also cumbersome.
To solve the above-mentioned problems, Chinese patent, grant number are that the utility model of CN204892697U discloses a kind of delay
Compression mould in a state of excitement, including dynamic model and cover half, dynamic model are arranged above cover half, and dynamic model includes Bottom clamp plate, dynamic model backing plate and dynamic model
Fixed plate, Bottom clamp plate lower section connect dynamic model backing plate, connect dynamic mould fixing plate below dynamic model backing plate, Bottom clamp plate two sides are provided with
Buffer spring；Cover half includes top clamping plate, cover half backing plate and cover half fixed plate, connects cover half backing plate, cover half above top clamping plate
Cover half fixed plate is connected above backing plate, dynamic mould fixing plate bottom is equipped with dovetail groove, and dovetail groove slot bottom is equipped with formed punch, and cover half is fixed
It is equipped with the convex block being cooperatively connected with dovetail groove at the top of plate, is equipped with the die cavity being used cooperatively with formed punch in the middle part of convex block.By in dynamic model
Buffer spring is arranged in seat plate on both sides, reduces the impact force that stamping die molds at work, prevents mold from damaging, prolong
The service life of mold is grown.
Although above scheme solves the problems, such as that mold is easy to damage when punching press, but the depth of above scheme die cavity is certain,
Punching press can only be carried out to identical workpiece, when carrying out punching press to the different workpiece of only cavity section depth, need replacing difference
Mold, cause increased costs.
Summary of the invention
The purpose of the present invention is to provide a kind of adjustable stamping dies, and to solve, a mold can only be right in the prior art
A kind of the problem of workpiece progress punching press.
To solve the above-mentioned problems, the invention provides the following technical scheme:
A kind of adjustable stamping die, including upper mold and lower mold, the upper mold are provided with die cavity, setting above die cavity
There is formed punch, the lower mold is slidably arranged in the die cavity, conduit is provided with below lower mold, sliding setting in the conduit
There is floating block, floating block is connect with lower mold；Conduit side is communicated with force (forcing) pump, and the conduit other side is provided with the solution equipped with solution
Case is connected with the inlet tube with the first valve, is provided with turbine in inlet tube between liquor box and conduit；Setting in upper mold
There is first gear, the first driving member be connected between the first gear and turbine, is engaged with the first rack gear above first gear,
It is connected with spring between first rack gear and upper mold, at least one set of card slot for first rack gear insertion is provided on lower mold.
The operation principle of the present invention is that:
Upper mold and lower mold are for fixing workpiece, and for die cavity for making workpiece shaping, formed punch is used for stamped workpieces；Conduit is used
In containing solution, floating block is slidably connected in conduit and slides up and down convenient for floating block；Inlet tube is used for the solution in liquor box is defeated
It is sent in conduit, the first valve is for opening inlet tube, so that the solution of liquor box enters in conduit, in conduit on liquid level
It rises, so that floating block be driven to rise；Floating block is connect with lower mold, and lower mold is pushed to rise in die cavity by the rising of floating block,
The depth for changing die cavity, to change the shape of workpiece punching press；By closing the first valve, so that inlet tube is closed, in conduit
Liquid level stop rising, force (forcing) pump is used to pressurize to the solution in conduit, increase active force of the solution effects on floating block so that
Floating block can be kept balance by the buoyancy of solution by the gravity of lower mold and lower section by top, to fix lower die in the vertical direction
Liquor box is for containing solution, and by solution impact flow turbine, so that turbine rotation, the first driving member is used for will
In the power transmission to first gear of turbine, so that first gear rotates, first gear is for driving the sliding of the first rack gear, simultaneously
Compressed spring makes spring energy storage；Spring is used to stop flowing in solution, and turbine stops operating, and after first gear runs out of steam, pushes away
Dynamic first rack gear reverse slide, the first rack gear is inserted into card slot, horizontally fixed lower mold.
The invention has the benefit that
It pushes lower mold to slide in die cavity 1. the present invention is risen using liquid level in conduit, realizes to work pieces process depth
It adjusts, compared with the prior art can only realize the punching press to a kind of workpiece, the present invention is able to achieve using a kind of mold to a variety of works
The punching press of part, has saved cost
2. driving first gear to rotate using turbine simultaneously, using mold under clamping in the first rack gear insertion card slot, under making
Mold is fixed.
Further, it is provided with second gear below first gear, the second biography is connected between second gear and first gear
Moving part, second gear side are engaged with the second rack gear, and the jack for the insertion of the second rack gear is provided on lower mold.Second driving member is used
In in the power transmission to second gear by first gear, rotate second gear, second gear is for driving the second rack gear sliding
It is dynamic, it is inserted into the second rack gear in the jack on lower mold, is more consolidated so that lower mold is fixed.
Further, the liquor box is communicated with drawing liquid pump, and the pumping with the second valve is communicated between drawing liquid pump and conduit
Liquid pipe, the liquid suction pipe intersect with inlet tube, and the turbine is arranged in infall.Drawing liquid pump is used for will after workpiece completes punching press
Solution in conduit is withdrawn into liquor box, and inlet tube and liquid suction pipe intersect, and turbine is arranged in infall, is to make solution
When being withdrawn into liquor box also can impulse turbine, allow turbine rotation, so that first gear be driven to rotate, first gear is driven
First racks turn, to the first rack gear be skidded off out of card slot, to unclamp lower mold.
Further, second gear is coaxially connected with winding roller, and hawser is connected on winding roller, is connected with sliding block on hawser,
The switch for starting the formed punch is provided with below sliding block.Switch is for controlling formed punch operation, and sliding block is for starting switch, cable
Rope is used for connection sliding block, and winding roller is used for folding and unfolding hawser.
Further, it is provided with guide groove below second gear, sliding block is slidably arranged in guide groove.It is fixed using guide groove
The direction of sliding block sliding avoids sliding block swing from leading to not trigger switch.
Further, card slot is three groups.It thus can be by the first rack gear push-in pair when mold rises three kinds of different heights instantly
In the card slot answered, so that lower mold is fixed.
Further, the first valve and the second valve be program-controlled valve.It is thus achieved that the first valve and the second valve
Automatic opening or closing, high degree of automation.
Detailed description of the invention
Fig. 1 is a kind of sectional schematic diagram of adjustable stamping die embodiment of the present invention.
Below by specific embodiment, the present invention is described in further detail:
Appended drawing reference in Figure of description includes: rack 1, formed punch 2, workpiece 21, upper mold 3, spring 31, the first rack gear
32, first gear 33, the second belt 34, second gear 4, the second rack gear 41, hawser 42, sliding block 43, switch 44, lower mold 5, card
Slot 51, conduit 52, floating block 53, jack 54, liquor box 6, water 61, turbine 62, inlet tube 63, the first valve 64, the second valve 7,
Liquid suction pipe 71, drawing liquid pump 72.
Embodiment is substantially as shown in Figure 1
A kind of adjustable stamping die of the present invention, including rack 1 are provided with upper mold 3 in rack 1, open in the middle part of upper mold 3
There is a die cavity, die cavity divides upper mold 3 for left and right two parts, is slidably fitted with lower mold 5, the rack 1 of lower 5 lower section of mold in die cavity
On conduit 52 is installed, floating block 53 is slidably connected in conduit 52, which is fixedly connected with lower mold 5；52 left side of conduit
Rack 1 on force (forcing) pump is installed, liquor box 6 is installed, liquor box 6 is provided with water 61, liquor box 6 and conduit on the right side of conduit 52
It is communicated with inlet tube 63 and liquid suction pipe 71 between 52, the first valve 64 is installed on inlet tube 63, is equipped on liquid suction pipe 71
Two valves 7, above-mentioned first valve 64 and the second valve 7 are program-controlled valve, and inlet tube 63 and liquid suction pipe 71 intersect, infall peace
Equipped with turbine 62, drawing liquid pump 72 is communicated on liquid suction pipe 71；
First gear 33 is symmetrically installed in left and right two parts of upper mold 3, first gear 33 is by the first belt (in figure
It is not drawn into) it is connect with turbine 62, the first rack gear 32 is engaged with above first gear 33, the first rack gear 32 is slidably mounted on upper mold
In 3, and spring 31 is connected between the first rack gear 32 and upper mold 3, lower 5 left and right sides of mold is symmetrically provided with three groups for the first tooth
The card slot 51 that item 32 is inserted into；First gear 33 is connected with second gear 4 by the second belt 34, and second gear 4 is engaged with second
Rack gear 41 is provided with the jack 54 for the insertion of the second rack gear 41 on lower mold 5, is coaxially connected with winding roller (in figure in second gear 4
It is not drawn into), winding roller lower section is provided with guide groove, and hawser 42 is connected on winding roller, sliding block 43, sliding block are connected on hawser 42
43 are slidably connected in guide groove, and the switch 44 for starting formed punch 2 is equipped in the rack 1 of 43 lower section of sliding block.
When using a kind of adjustable stamping die, workpiece 21 is placed on upper mold 3, opens the first valve 64, solution
Water 61 in case 6 is flowed into conduit 52 by inlet tube 63, and water level rises in conduit 52, buoyancy of the floating block 53 in water 61
Under in conduit 52 upward sliding, since floating block 53 is connect with lower mold 5, thus lower mold 5 with floating block 53 in die cavity upwards
Sliding, realizes the adjusting to cavity depth；
While water 61 is flowed out out of liquor box 6,61 impulse turbine 62 of water drives turbine 62 to rotate clockwise, the first belt
The power of turbine 62 is transmitted in first gear 33, first gear 33 rotates clockwise, and first gear 33 drives the first rack gear
32 slide in upper mold 3 toward 3 both sides of upper mold, and spring 31 is compressed；Second belt 34 transmits the power of first gear 33
Onto second gear 4, second gear 4 is driven to rotate clockwise while first gear 33 rotates, second gear 4 drives the second tooth
41 slide downward of item, second gear 4 drive winding roller take-up, the upward sliding in guide groove with movable slider 43 of hawser 42 simultaneously；
Instantly when mold 5 rises to desired height, the first valve 64 is closed, the water 61 in liquor box 6, which is no longer flow into, leads
In pipe 52, the water level in conduit 52 no longer rises, the top of floating block 53 by the gravity of lower mold 5 and the gravity of lower section water 61, due to
Lower 5 mass of mold is larger, therefore starts force (forcing) pump, pressurizes to the water 61 in conduit 5, increases the water 61 in conduit 52 to floating block
53 active force, so that 53 stress balance of floating block, so that lower mold 5 is fixed in the vertical direction.Since turbine 62 loses
The impact force that water 61 flows, turbine 62 stop operating, and the power that first gear 33 loses turbine 62 stops operating, and the first rack gear 32 loses
The active force of first gear 33 is removed, spring 31 pushes the first rack gear 32 sliding into die cavity under the action of natural resiliency restoring force
It is dynamic, so that the first rack gear 32 is pushed into the card slot 51 in lower mold 5, horizontally fix lower mold 5；Meanwhile first rack gear
32 drive first gears 33 rotate counterclockwise, and the power of first gear 33 is transmitted in second gear 4 by the second belt 34, and first
Gear 33 drives second gear 4 to rotate counterclockwise, and second gear 4 drives 41 upward sliding of the second rack gear, the insertion of the second rack gear 41
Into the jack 54 in lower mold 5, make lower mold 5 is fixed more to consolidate；Meanwhile second gear 4 drives winding roller unwrapping wire, it is sliding
Block 43 slide downward and trigger switch 44 in guide groove, switch 44 control formed punch 2 and carry out punching press to workpiece 21.
After the completion of punching press, workpiece 21 is taken out, opens the second valve 7 and drawing liquid pump 72, drawing liquid pump 72 is by the water in conduit 52
61 are withdrawn into liquor box 6, the water level decreasing in conduit 52；Since inlet tube 63 and liquid suction pipe 7 intersect, and turbine 62 is mounted on
Infall, thus when the water in conduit 52 is drawn back into through liquid suction pipe 71 can impulse turbine 62, so that turbine 62 be driven to rotate；Turbine 62
First gear 33 is driven to rotate clockwise, first gear 33 drives the first rack gear 32 to skid off from the card slot 51 on lower mold 5, the
One gear 33 drives second gear 4 to rotate clockwise, and second gear 4 drives the second rack gear 41 from the jack 54 on lower mold 5
It skids off, to unclamp lower mold 5；Due to the water level decreasing in conduit 52, lower mold 5 slips back to initial bit under the effect of gravity
It sets, waits next subjob.
What has been described above is only an embodiment of the present invention, and the common sense such as well known specific structure and characteristic are not made herein in scheme
Excessive description.It, without departing from the structure of the invention, can be with it should be pointed out that for those skilled in the art
Several modifications and improvements are made, these also should be considered as protection scope of the present invention, these all will not influence what the present invention was implemented
Effect and patent practicability.The scope of protection required by this application should be based on the content of the claims, in specification
The records such as specific embodiment can be used for explaining the content of claim.