A kind of plate shearing machine
This utility model is related to a kind of sheet material and cuts off equipment, more specifically, it relates to a kind of plate shearing machine.
Plate shearing machine is the top cutter and fixed bottom knife by motion for carrying out being punched the machinery of shearing to plate,
Using rational gap blade, shearing force is applied to the sheet metal of various thickness, sheet material is made by required gear breaking point
From obtaining the blank with straight flange.
At present, the Chinese patent of Publication No. CN104588767A discloses a kind of plate shearing machine, and it includes fuselage, workbench
With the shear blade that can be moved back and forth up and down along fuselage, shear blade is located at the top of workbench, and fuselage is provided with adjustable length
The elastic pressuring clamping device of section, the bottom of elastic pressuring clamping device are less than the bottom of shear blade；Elastic pressuring clamping device includes two bullets
Property the stage clip mechanism and horizontal pressing plate being removably connected with Liang Ge elastic pressuring springs mechanism, elastic pressuring spring mechanism includes pressure
Bar, guide pin bushing and spring, depression bar in the way of sliding up and down in be placed in guide pin bushing, spring is placed on outside guide pin bushing, then by the two ends of spring
It is connected with fuselage and depression bar respectively.
Although this plate shearing machine simple structure, the use time of spring long, can make the elasticity reduction of spring so that laterally
Pressing plate cannot be by plate compact, and this is accomplished by changing spring so that spring is wasted and increases production cost.
Utility model content
In view of the shortcomings of the prior art, this utility model is to provide a kind of plate shearing machine, by intensity bar along itself
Length direction movement, make the deformation quantity of the first elastic component of increase, increase elastic force, it is to avoid change spring, reach avoid wasting and
The purpose for increasing production cost.
For achieving the above object, this utility model provides following technical scheme：A kind of plate shearing machine, including workbench, peace
Fuselage on the table and the blade moved back and forth up and down along fuselage are filled, described fuselage is slided along the short transverse of itself
It is dynamic to be connected with depression bar, be fixed with described depression bar for the pressing plate for arranging being contradicted with sheet material, be slidably connected on described depression bar
There is drive rod, on described drive rod, be connected with elastic claw, described elastic claw is contradicted with fuselage and arranged, and described drive rod leads to
Cross the first elastic component to be connected with pressing plate.
By adopting above-mentioned technical proposal, as the stroke of fuselage is fixed, the use time of the first elastic component can be caused long
The elasticity reduction of the first elastic component, makes elastic claw contradict with fuselage by by drive rod toward moving near the direction of workbench, right
Drive rod is spacing, and when pressing plate is with web contact, the deformation quantity of the first elastic component will increase such that it is able to effectively lift first
The elastic force of elastic component, reduce the replacement frequency of the first elastic component, it is to avoid the waste of the first elastic component and cause production cost
This utility model is further arranged to：Described elastic claw includes the conflict block being articulated with drive rod and is used for
Connection contradicts the second elastic component of block and drive rod.
By adopting above-mentioned technical proposal, it is moved with moving for drive rod in elastic claw, due to contradicting block edge
Hinged place upset, is acted on by the elastic force of the second elastic component, conflict block is contradicted with fuselage, meanwhile, when workman stops
When applying active force to drive rod, acted on by the elastic force of the second elastic component, position can drive rod.
This utility model is further arranged to：Described fuselage is slidably connected movable plate along the width of itself, described
Fuselage by the movable plate with contradict block contradict arrange, be fixed with described movable plate for contradict block contradict arrange
By adopting above-mentioned technical proposal, after the first elastic component is damaged, need drive rod resets, by making shifting
Dynamic plate produces displacement, conflict block is separated with the projection on movable plate, so that drive rod can easily toward away from workbench
Direction is moved, and operates more easy.
This utility model is further arranged to：The 3rd elastic component is provided with described fuselage, the 3rd elastic component
Two ends are fixedly connected with drive rod, fuselage respectively.
By adopting above-mentioned technical proposal, by driving movable plate, make it is raised separate with conflict block after, make the drive rod can be with
Acted on by the elastic force of the 3rd elastic component, moved toward the direction away from workbench, operation is more easy, can effectively lift workman
This utility model is further arranged to：The 4th elastic component is provided with described fuselage, the 4th elastic component
Two ends are fixedly connected with fuselage, movable plate respectively.
By adopting above-mentioned technical proposal, it is subjected to displacement by movable plate will be driven, movable plate is separated with block is contradicted, the
Four elastic components deform upon generation elastic force, by the effect of elastic force, when workman unclamps movable plate, movable plate can be made voluntarily multiple
Position, it is easy to operate.
This utility model is further arranged to：Mobile bar is fixed on described movable plate, described mobile bar is slided with fuselage
By adopting above-mentioned technical proposal, guiding can be played a part of to the direction of displacement of movable plate by mobile bar,
Workman is also allowed for simultaneously movable plate is held by mobile bar, operate more easy.
This utility model is further arranged to：The end of described mobile bar and drive rod is respectively and fixedly provided with briquetting.
The contact area of the hand of workman can be increased by adopting above-mentioned technical proposal, the setting of briquetting, it is to avoid pressure
It is strong excessive and hand is damaged.
In sum, this utility model has the advantages that：
The life-time service of the first elastic component, can cause the first elastic component elasticity reduction, by by drive rod along fuselage
Short transverse movement, elastic claw is placed on the different position of movable plate, increase the deformation quantity of the first elastic component, so as to
The enough elastic force for effectively lifting the first elastic component such that it is able to reduce changing the frequency of the first elastic component, reduce production cost
Description of the drawings
Fig. 1 is external structure schematic diagram of the present utility model；
Fig. 2 is the structural representation for embodying drive rod；
A direction views of the Fig. 3 for Fig. 2.
Reference：1st, workbench；2nd, fuselage；31st, pressing plate；32nd, depression bar；33rd, contiguous block；41st, drive rod；42nd, elasticity
Pawl；421st, the second elastic component；422nd, contradict block；43rd, holding rod；44th, limited block；51st, movable plate；52nd, it is raised；53rd, mobile bar；
6th, chute；7th, briquetting；81st, the first elastic component；82nd, the 3rd elastic component；83rd, the 4th elastic component.
A kind of plate shearing machine of this utility model is described further referring to figs. 1 to Fig. 3.
As shown in Figure 1 to Figure 3, a kind of plate shearing machine, including workbench 1 and the fuselage 2 on workbench 1.
1 horizontal positioned of workbench, the left and right sides of workbench 1 are respectively fixed with a guided plate, and guided plate is in cuboid
Arrange, guided plate is vertically placed, fuselage 2 is placed between two guided plates, make fuselage 2 along on the length direction of guided plate
A depression bar 32 is slidably connected on fuselage 2, depression bar 32 is vertically put by depression bar 32 in cylinder setting
Putting, a pressing plate 31 in strip being fixedly connected with the lower end of depression bar 32, pressing plate 31 is used for 31 material of pressing plate.
One is slidably connected on depression bar 32 in block contiguous block 33, depression bar 32 is passed through into contiguous block 33, and is made pressure
Bar 32 is slidably connected on contiguous block 33.The 41 integration connection of contiguous block 33 and drive rod.First elastic component 81 is sheathed on into pressure
On bar 32, and the two ends of the first elastic component 81 are made to be fixedly connected with contiguous block 33, pressing plate 31 respectively.First elastic component 81 is preferably
Drive rod 41 is in strip and vertically places.Be provided with an elastic claw 42 on drive rod 41, elastic claw 42 by
Contradict block 422 and the second elastic component 421 is constituted.Second elastic component 421 is preferably spring.By the two ends of the second elastic component 421 point
It is not welded and fixed with conflict block 422.It is in strip to contradict block 422, and one end is hinged setting with drive rod 41.On drive rod 41
Be further fixed on a limited block 44, limited block 44 is arranged in triangular prism, be placed in the lower section for contradicting block 422, for and contradict block 422
The upper end of drive rod 41 is provided with the 3rd elastic component 82, and the 3rd elastic component 82 is preferably spring, and the 3rd is elastic
The two ends of part 82 upper end respectively with drive rod 41, fuselage 2 are fixedly connected.
Holding rod 43 is fixedly connected through fuselage 2 and with the upper end of drive rod 41, holding rod 43 and drive rod 41 1 is made
Bodyization connects.A briquetting 7 is fixed with away from one end of drive rod 41 in holding rod 43.7 cylindrical setting of briquetting.And
The diameter of briquetting 7 is far longer than the diameter of holding rod 43.
A movable plate 51 is slidably connected on fuselage 2, movable plate 51 is in strip, and length Fang Fang of movable plate 51
To vertically placement.Several projections 52 are fixed with movable plate 51, this several projection 52 moves along the length direction of plate 51
It is uniformly distributed.Chute 6 is offered on fuselage 2, the slide block being fixed on movable plate 51 is placed in chute 6, and along chute 6
Slide.The length direction of chute 6 is be arranged in parallel with the width of movable plate 51.A shifting is fixed with the side of movable plate 51
Lever 53, mobile bar 53 are cylindrical, and one end is fixedly connected with movable plate 51, and the other end is fixedly connected with briquetting 7.Moving
Dynamic plate 51 is provided with the 4th elastic component 83 away from the side of mobile bar 53.The two ends of the 4th elastic component 83 are respectively and movable plate
51st, fuselage 2 is fixedly connected.
During use, first sheet material is placed on the table top of workbench 1, then by fuselage 2 toward the direction movement near sheet material,
Contradict the lower surface and sheet material of pressing plate 31, and sheet material is fixed by the effect of frictional force, sheet material is cut by blade then
It is disconnected.In long-term use, the elasticity reduction of the first elastic component 81 can be caused, makes the first elastic component 81 drop the elastic force of pressing plate 31
It is low.Now, by pressing holding rod 43, make holding rod 43 drive drive rod 41 toward moving near the direction of pressing plate 31, make conflict
Block 422 is contradicted with the projection 52 on movable plate 51, is compressed 33 pairs of the first elastic components 81 of contiguous block, increases deformation
Amount, increases the elastic force of the first elastic component 81, so that pressing plate 31 can be compacted sheet material again, with the bullet of the first elastic component 81
The increase of power, the first elastic component 81 can produce reverse active force to contiguous block 33, and contiguous block 33 drives drive rod 41 to produce
The trend of shifting, makes conflict block 422 while contradicting with raised 52, limited block 44, spacing to contradicting block 422, it is to avoid to contradict on block 422
Move.With the further reduction of the elasticity of the first elastic component 81, when needing to change the first elastic component 81, by pressing mobile bar
53, make mobile bar 53 drive movable plate 51 toward moving near the direction of the 4th elastic component 83, make projection 52 and contradict 422 points of block
From being acted on by the elastic force of the 3rd elastic component 82, make drive rod 41 reset, unclamp then mobile bar 53, by the 4th elastic component
83 elastic force effect makes movable plate 51 reset.
The above is only preferred implementation of the present utility model, and protection domain of the present utility model is not limited merely to
Above-described embodiment, all technical schemes belonged under this utility model thinking belong to protection domain of the present utility model.Should refer to
Go out, for those skilled in the art, some improvement under the premise of without departing from this utility model principle and
Retouching, these improvements and modifications also should be regarded as protection domain of the present utility model.