Through hole blanking apparatus and mould
Technical field
The present invention relates to vehicle product processing technique field, more particularly to a kind of through hole blanking apparatus;Meanwhile,
The invention further relates to a kind of mould with the through hole blanking apparatus.
Background technology
In processing and manufacturing, it usually needs through hole is machined with workpiece, to meet assembling demand or use need
Ask.At present, the method for through hole processing is generally two kinds, one is the product being molded in a mold, using special
Hole punched device, the product to being molded is punched out operation, the second is in a mold, the design of change die cavity,
Form raised with die cavity, so that directly injection forms product in the high spot.Then in some fields,
The technical requirements of device to hole are higher, the radar mounting hole set such as on bumper, its outward appearance for being located at bumper
On face, its exquisite sense influence on vehicle is larger, therefore, for radar mounting hole, therefore, to assure that the side in hole
Edge can not jagged, step, can not have the weld bond and faulting of slab ends segment difference of shaping.Based on this, using special
Hole punched device punching molding, although related request can be reached, but its cost increases, and to shaping
Bumper punching mounting hole when, increased operation, operating efficiency is low.Set up raised direct using mould
In shaping, because the plastics for melting are when projection is flowed through, two stock material streams merge to form weld bond, reduce hole
Intensity, and spray painting after weld bond can not preferably be covered, influence vehicle it is attractive in appearance.
The content of the invention
In view of this, the present invention is directed to propose a kind of through hole blanking apparatus, to ensure that through hole punch press process imitates
While fruit, operating efficiency is improved.
To reach above-mentioned purpose, the technical proposal of the invention is realized in this way:
A kind of through hole blanking apparatus, are formed in the mould of manufacture workpiece, and through hole punching is carried out with to workpiece,
It has:
Power set, are fixedly installed relative to the mould, to export straight line power;
Blanking mechanism, including punching main body, and be formed at punching main body on have stamping knife;The clicker press machine
Structure is constructed having the linear motion relative to the mould, so that straight line of the stamping knife with blanking mechanism
Motion blanking;
Intermediate connecting mechanism, accepts the output power of the power set, to be formed relative to the mould
Rectilinear movement;The intermediate connecting mechanism has the first inclined-plane being slidably matched with blanking mechanism holding;
The blanking mechanism moves along a straight line because of the relative slip with first inclined-plane relative to the mould.
Further, the rectilinear movement direction of the intermediate connecting mechanism and the blanking mechanism move along a straight line
Direction is vertical.
Further, the through hole blanking apparatus include be fixedly installed relative to the mould, centre is connected
The guide holder that the rectilinear movement of connection mechanism is oriented to.
Further, the power set are the oil cylinder controlled by controller.
Further, described workpiece is vehicle bumper, and the through hole is radar mounting hole.
Further, in the appearance for being internally formed stamping knife described in insertion and punching main body of the blanking mechanism
Receive chamber, in the core bar that can be slided in accommodating chamber is contained in the accommodating chamber, the stamping knife is because of the receiving
The insertion in chamber and in free end formed annular punching sword;The intermediate connecting mechanism is provided with and the core bar
The second inclined-plane being slidably matched, the gradient on second inclined-plane is opposite with the gradient on first inclined-plane;In institute
State be provided with accommodating chamber elastic reaction on core bar so that elastic device of the core bar overhead on the second inclined-plane.
Further, the elastic device is the spring being sleeved on core bar.
Further, the thickness of the punching sword is 0.6mm-0.8mm.
Relative to prior art, through hole blanking apparatus of the invention have the advantage that:
Because through hole blanking apparatus are formed in the mould of manufacture workpiece, and in the output power warp of power set
Between bindiny mechanism drive the blanking mechanism to carry out the punching of through hole, it can be filled in mould before pressurize in melt,
The punching of through hole, its quality and operating efficiency for effectively raising through hole can be completed in mould.
It is a further object to provide a kind of mould, including die main body, on the die main body
It is equipped with through hole blanking apparatus as described above.
Further, holding tank is provided with the die main body, the through hole blanking apparatus are contained in described
In holding tank.
Relative to prior art, mould of the invention has identical with through hole blanking apparatus as described above
Technique effect, will not be repeated here.
Brief description of the drawings
The accompanying drawing for constituting a part of the invention is used for providing a further understanding of the present invention, of the invention to show
Meaning property and its illustrates, for explaining the present invention, not constitute inappropriate limitation of the present invention embodiment.In accompanying drawing
In:
Fig. 1 is the dimensional structure diagram of the embodiment of the present invention one;
Fig. 2 is the structural representation under Fig. 1 disassembled forms;
Fig. 3 is the dimensional structure diagram under another angle of intermediate connecting mechanism in Fig. 1;
Fig. 4 is the top view under another visual angles of Fig. 1;
Fig. 5 is the B-B direction sectional view of Fig. 4;
Fig. 6 is the C-C of Fig. 4 to sectional view;
Fig. 7 is the overall structure diagram of the embodiment of the present invention two;
Fig. 8 is the A-A of Fig. 7 to sectional view.
Description of reference numerals:
1- power set, 101- connecting rods, 2- blanking mechanisms, 201- punching main bodys, 202- stamping knives, 203- is slided
Access slot, 204- top surfaces, 205- punching swords, 301- connection main bodys, 302- clamping bars, 303- slips positive stop strip,
The inclined-planes of 304- first, 305- buckling grooves, 306- accommodating chambers, 307- core bars, 308- slides Access Division, and 309- is slided
Connect position-limited edge, 310- is slidably matched face, the inclined-planes of 311- second, 312- inclined-planes seat, 313- basic planes, 314-
Spring, 4- guide holders, 401- accommodating cavities, 402- gathering sills, 5- die main bodies i, 501- holding tank, 502-
Punching holding tank, 6- vehicle bumpers.
Specific embodiment
It should be noted that in the case where not conflicting, the embodiment in the present invention and the feature in embodiment
Can be mutually combined.
Describe the present invention in detail below with reference to the accompanying drawings and in conjunction with the embodiments.
Embodiment one
The present embodiment is related to a kind of through hole blanking apparatus, and it is formed in the mould of manufacture workpiece, with to workpiece
Through hole punching is carried out, its overall structure mainly includes power set, blanking mechanism and intermediate connecting mechanism.
Wherein, used as power source, it is fixedly installed power set relative to mould, and exports straight line power;Punching
Mechanism include punching main body, and be formed at punching main body on have stamping knife, blanking mechanism is constructed having
Relative to the linear motion of the mould, so that linear motion blanking of the stamping knife with blanking mechanism;
Intermediate connecting mechanism accepts the output power of the power set, is moved with the straight line formed relative to the mould
It is dynamic;The intermediate connecting mechanism has the first inclined-plane being slidably matched with blanking mechanism holding;The punching
Mechanism is cut out because of the relative slip with first inclined-plane, and is moved along a straight line relative to the mould.
Based on as above global design thought, in the present embodiment, as shown in Fig. 1 combinations Fig. 2, Fig. 4, Fig. 5,
Power set 1 using oil cylinder as power source, start and stop under the control of its controller not shown in figure, with
Output straight line power.
Blanking mechanism 2 mainly includes two parts, and one is the punching main body 201 of cylinder, and is formed at
The stamping knife 202 of the lower section of punching main body 201, punching main body 201 is overall cylindrical, and stamping knife 202 is equally adopted
With with punching the integrally formed cylindrical-shaped structure of main body 201, and stamping knife 202 diameter less than punching main body 201
Diameter.In circumference below state top surface 204 shown in Fig. 2 in punching main body 201, it is formed with sliding
Groove 203, the sliding groove 203 is used to be slidably matched with intermediate connecting mechanism as described below.
Intermediate connecting mechanism transmits connector as the power between power set 1 and blanking mechanism 2, by scheming
1 combine Fig. 2, Fig. 3 shown in, it includes the connection main body 301 of class rectangle, with state shown in Fig. 2 under, in
The left and right sides of main body 301 is provided with clamping bar 302 outwardly, and clamping bar 302 is led with as described below
It is slidably matched to seat.The two bottom sides of state are formed with what is extended towards shown in Fig. 2 in connection main body 301
Sliding positive stop strip 303, in the connection main body 301 of the sliding covering of positive stop strip 303, is formed with the first inclined-plane
304, by Fig. 3 it should be apparent that spacing is set between the sliding inclined-plane 304 of positive stop strip 303 and first,
With state shown in Fig. 3, ecto-entad is inclined obliquely on the first inclined-plane 304, accordingly, slips positive stop strip 303
The bottom surface relative with the first inclined-plane 304, the gradient with the first inclined-plane 304 is identical, in this way it can be ensured that sliding
Connect the spacing between the inclined-plane 304 of positive stop strip 303 and first and keep constant.Sliding positive stop strip 303 is installed in institute
In the sliding groove 203 stated, the setting so that top surface 204 is fitted with the first inclined-plane 304, and top surface 204 can
Slided relative to the first inclined-plane 304, the state after its assembling is as shown in Figure 1.
In connection main body 301 on the side of power set 1, T fonts card holding trough 305, the card are provided with
Tankage 305 is used for the connection with the clutch end of power set 1.As shown in Fig. 2 combinations Fig. 4, Fig. 5,
The output end of power set 1 is connected with connecting rod 101, and the free end of connecting rod 101 is installed on card holding trough 305
It is interior, to realize the connection between power set 1 and connection main body 301.
Based on constituted above, when in use, power set 1 start under the control of the controller, so that connection
Bar 101 promotes connection main body 301 to be moved right with state shown in Fig. 5, because blanking mechanism 2 can be relative
In mold-slide, and the present embodiment, the glide direction of blanking structure 2 is arranged to and main body 301 is connected
Linear movement direction it is vertical, namely the center line of connection main body 301 and the axis of connecting rod 101 vertically set
Put, during connection main body 301 is slided to the right, the first inclined-plane 304 is slidably matched with top surface 204,
Due to the presence of the gradient of the first inclined-plane 304 so that top surface 204 is downward with state shown in Fig. 5 because of the gradient
It is mobile, realize that stamping knife 202 is punched out operation to workpiece.
Additionally, in order to improve stability when connection main body 301 moves along a straight line, in the present embodiment, being additionally provided with
The guide holder 4 that rectilinear movement being fixedly installed relative to mould, to intermediate connecting mechanism is oriented to.By
Shown in Fig. 1 combinations Fig. 2, in the present embodiment, guide holder 4 is overall in rectangular configuration, on guide holder 4,
The accommodating cavity 401 being recessed by its bottom up is provided with, guiding is provided with the two opposite side walls of accommodating cavity 401
Groove 402.Connection main body 301 is fitted in accommodating cavity 401, and the slip of clamping bar 302 is flush-mounted in guiding
In groove 402.
Additionally, during in order that stamping knife 202 being punched out to workpiece, the waste material of punching can be avoided to workpiece
Influence, in the present embodiment, as shown in Fig. 5 combinations Fig. 6, rushes in the insertion that has been internally formed of blanking mechanism 2
The accommodating chamber 306 of knife 202 and punching main body 201, due to punching main body 201 and the structure of stamping knife 202
Set, accommodating chamber 306 uses the structure of reducing, the i.e. part in stamping knife 202, diameter is smaller, position
It is larger in the section diameter in punching main body 201.Slided in accommodating chamber 306 and be provided with core bar 307, the core
The main body of bar 307 is in the form of a column, and the external diameter of the column and the accommodating chamber being formed in stamping knife 202 internal diameter phase
Should.Due to the setting of accommodating chamber 306 so that being internally formed for stamping knife 202 is hollow, and in stamping knife 202
Free end forms the punching sword 205 of annular.The thickness of sword 205 is punched for 0.6mm-0.8mm is preferable, most preferably
Using 0.7mm.
In the top of core bar 307, slip Access Division 308 is fixed with, for the ease of elasticity dress as described below
The installation put, in the present embodiment slide Access Division 308 the end face diameter with diameter greater than core bar 307, with
Core bar 307 forms hierarchic structure.The sliding limit that two spacing are set is provided with the top for sliding Access Division 308
Position side 309, on the slip Access Division 308 between two sliding position-limited edges 309, is formed with and is slidably matched
Face 310.
Accordingly, the second inclined-plane 311 being slidably matched with core bar 307 is provided with intermediate connecting mechanism, the
The gradient on two inclined-planes 311 is opposite with the gradient on first inclined-plane 304;Specifically, combined by Fig. 3 and schemed
Shown in 5, in connection main body 301, the inclined-plane for outwardly setting is provided with the middle part on the first inclined-plane 304
Seat 312, the second inclined-plane 311 is then formed on inclined-plane seat 312, and the second inclined-plane 311 is with shape shown in Fig. 3
Under state, it is obliquely installed obliquely from inside to outside, with opposite with the gradient on the first inclined-plane.In order to ensure inclined-plane seat
The firm support of 312 pairs of slip Access Divisions 308 under original state, one is provided with inclined-plane seat 312
Individual base surface 313, the base surface 313 is planar structure.
Be provided with the accommodating chamber 306 elastic reaction on core bar 307 so that the overhead of core bar 307 is on the second inclined-plane
Elastic device on 311.Description based on constituted above, specifically, in the present embodiment, elastic device
Using the spring 314 being sleeved on core bar 307, as seen from Figure 5, one end overhead of spring is in stamping knife
Passing through for chamber is put with punching body matter to join at ladder, then overhead is sliding Access Division 308 and core bar 307 to the other end
On the end face of connection.In assembling, inclined-plane seat 312 is set to be inlaid between two slip Access Divisions 308, with
The face of being slidably matched 310 is fitted with basic plane 313, then sliding positive stop strip 303 is slided and is flush-mounted in punching
Cut out in the sliding groove 203 of main body 201 so that slide the compression spring 314 of Access Division 308 and be embedded into receiving
In chamber 306.
When in use, when inclined-plane seat 312 is with connection 301 synchronous slide of main body, stamping knife has punching through hole
Linear motion, meanwhile, be slidably matched face 310 inclined-plane seat 312 move along a straight line when, progressively disengage and base
The contact of plinth plane 313, and with the sliding contact of the second inclined-plane 311, now, in the presence of spring 314,
Core bar 307 is ordered about to be moved upwards with state shown in Fig. 5, because of the upward motion of core bar 307, and stamping knife
Downward movement so that form a storing space, the thing under being punched between core bar 307 and punching sword 205
Material is stored in the storing space.
Embodiment two
The present embodiment is related to a kind of mould, and it is used for the shaping manufacture to the vehicle bumper 6 as workpiece,
As shown in Fig. 7, Fig. 8, it includes die main body 5, and holding tank 501 is provided with die main body 5, is holding
Receive in groove 501, be provided with the through hole blanking apparatus described in embodiment one.Wherein, power set 1 and guide holder
4 are fixed in holding tank 501, and one is additionally provided with die main body 5 with the vertical connection of holding tank 501
Punching holding tank 502, its shape is adapted with blanking mechanism 2, to ensure that blanking structure 2 is received in it
When, can be slided in punching holding tank 502.
When to 6 punching of vehicle bumper, before molten plastic filling completes pressurize, controller starts power
Device, so that stamping knife runs to vehicle bumper 6 position for needing punching, to realize to radar mounting hole
Punching, it realizes in film and is earnestly molded.
Presently preferred embodiments of the present invention is the foregoing is only, is not intended to limit the invention, it is all in this hair
Within bright spirit and principle, any modification, equivalent substitution and improvements made etc. should be included in this hair
Within bright protection domain.