A kind of needle punching mechanism
Technical field
The present invention relates to the needle punchings on a kind of connector process equipment more particularly to a kind of pin machine of connector processing
Cut mechanism.
Background technique
When pin machine carries out needle punching, scrap belt can be generated, for avoid scrap belt it is excessive be deposited in shadow in pin machine
The operating of pin machine is rung, and operator is to roll scrap belt, and scrap belt is moved after charging tray is finished when collecting waste material
It walks.In this way, scrap belt is temporarily stored in pin machine before charging tray is finished, the device space is wasted, and when scrap belt accumulates excessive can shadow
Ring the operating of pin machine.
Summary of the invention
To save the device space, scrap belt is avoided to accumulate in pin machine, the present invention proposes a kind of needle punching mechanism, the needle
Punching mechanism includes driving cylinder, punching drive rod, needle cutting head, connection locator and scrap cutter, the connection positioning dress
It sets including connecting plate and positioning plate, the connecting plate and the positioning plate vertically connect and form L-type structure, and the connection sleeve-board
It is located on the drive rod of the driving cylinder and is fixedly connected with the cylinder body of the driving cylinder, it is logical that positioning is provided on the positioning plate
Slot, and the extending direction of the positioning through slot is parallel with the axis of the drive rod of the driving cylinder;The needle cutting head passes through punching
Drive rod is connect with the drive rod of the driving cylinder, and the punching drive rod is threaded through in the positioning through slot and passes through positioning
Pin shaft is flexibly connected with the positioning plate;The scrap cutter is located at the discharge end of needle punching seat and by cutter drive rod and institute
State the drive rod connection of driving cylinder;In the needle punching mechanism course of work, when the drive rod is protruding, the needle punching
It cuts off and lifts from needle punching seat under the drive of the punching drive rod, the scrap cutter is in the cutter drive rod
Drive under push will from the needle be punched seat discharge end stretch out scrap belt cutting;When the drive rod inwardly bounces back,
The needle cutting head presses to the needle punching seat under the drive of the punching drive rod and is punched out operation, the scrap cutter
It above mentions under the drive of the cutter drive rod, prepares for cutting next time scrap belt.Pin machine uses such needle bicker
When structure carries out needle punching operation, scrap cutter will be stretched when needle cutting head lifts from needle punching seat from the discharge end of needle punching seat
Scrap belt cutting out, makes scrap belt cut off the waste material to be formed and falls into waste material box, can avoid scrap belt and accumulates in pin machine,
Especially accumulate in the discharge end of needle punching seat, to save the device space of pin machine, pin machine is avoided to accumulate because of scrap belt
Excessively and to seize up.
Preferably, it is provided with cutting head positioning plate on the positioning plate, which is located at the positioning through slot
Between the needle punching seat, and the positioning guide hole for installing the needle cutting head is provided on the cutting head positioning plate.This
Sample can avoid needle cutting head and shake or swing in needle blanking process and punching be caused to misplace, so that needle punching can be improved
Precision.Further, the cutting head positioning plate is in " convex " font, and is provided with peace on the two sides shoulder of the cutting head positioning plate
Fill through-hole.In this way, can not only save material, but also convenient for the installation of cutting head positioning plate to be fixed on positioning plate, can also avoid
The installation and movement of cutting head positioning plate influence other component.
Preferably, the installation translot for installing the cutting head positioning plate is provided on the positioning plate, and the installation is horizontal
Slot is vertical with the positioning through slot, in order to which the installation of cutting head positioning plate to be fixed on positioning plate.
Preferably, the cutter drive rod is connected in the extension end of the drive rod by pin shaft and the drive rod activity
It connects, the punching drive rod is flexibly connected by pin shaft with the drive rod at the middle part of the drive rod.
Preferably, the scrap cutter is rotary cutter, and the knife handle of the rotary cutter is vertical with the cutter drive rod
It is fixedly connected.
Preferably, it is provided with cutter locating piece on the positioning plate, and is provided with the installation rotation on the cutter locating piece
The cutter location hole for turning cutter exists in this way, positioning using cutter location hole to rotary cutter to avoid rotary cutter
The course of work occurs dislocation and can not cut off scrap belt.Further, it is provided with and the cutter on the cutter locating piece
The locking slot of location hole connection, which is equipped with L-type locking member, and the locking member is fixed on by clamping screw
On the cutter locating piece.In this way, rotary cutter can be locked by L-type locking member when pin machine stops working, thus will
The drive rod of driving cylinder is locked, and then needle cutting head is locked, to can avoid needle punching mechanism when pin machine stops working
Continue needle punching operation.
Preferably, the mounting groove for installing the cutter locating piece is provided on the positioning plate.In this way, cutter can be determined
The convex portion of position block towards positioning plate side snaps into mounting groove, to improve the compactedness of needle punching mechanism, reduces needle
Occupied space of the punching mechanism in pin machine.
The present invention also proposes a kind of pin machine, which is equipped with any one of the above needle punching mechanism.
Detailed description of the invention
Fig. 1 is the first angle structural schematic diagram of needle punching mechanism of the present invention;
Fig. 2 is the second angle structural schematic diagram of needle punching mechanism shown in Fig. 1;
Fig. 3 is the third angle structural schematic diagram of needle punching mechanism shown in Fig. 1;
Fig. 4 is structural schematic diagram when needle punching mechanism shown in Fig. 3 does not install connection locator and cutter locating piece.
Specific embodiment
The embodiment of the present invention is described below in detail, examples of the embodiments are shown in the accompanying drawings, wherein from beginning to end
Same or similar label indicates same or similar element or element with the same or similar functions.Below with reference to attached
The embodiment of figure description is exemplary, it is intended to is used to explain the present invention, and is not considered as limiting the invention.
As shown in Figs 1-4, needle punching mechanism of the present invention includes driving cylinder 1, punching drive rod 2, needle cutting head 3, connects and determine
Position device 4 and scrap cutter 5.Wherein, pneumatic linear actuator or hydraulic cylinder can be selected in driving cylinder 1.Connection locator 4 includes connecting plate 41
With positioning plate 42, and connecting plate 41 is vertical with positioning plate 42 connect to form L-type structure, and installation sets of holes are provided on connecting plate 41
And it is set on the drive rod 11 of driving cylinder 1 by the installation sets of holes and is fixedly connected with the cylinder body of driving cylinder 1 12;Positioning plate 42
On be provided with positioning through slot 421, the upper end of the positioning through slot 421 is close to connecting plate 41 and the extending direction of the positioning through slot 421
It is parallel with the axis of drive rod 11.The one end for being punched drive rod 2 passes through pin shaft activity at the middle part of drive rod 11 and drive rod 11
The other end of connection, punching drive rod 2 is flexibly connected by pin shaft with the upper end of needle cutting head 3, and is punched on drive rod 2 and is arranged
Be located by connecting hole 21, and when punching drive rod 2 is passed through from positioning through slot 421, the punching drive rod 2 is by being mounted on positioning
Alignment pin 422 in connecting hole 21 is flexibly connected with positioning plate 42.In this way, the drive rod 11 on driving cylinder 1 is protruding
When, drive rod 11 drives punching drive rod 2 to lift needle cutting head 3 from needle punching seat 6 around the swing of alignment pin 422;Work as drive
When drive rod 11 on dynamic cylinder 1 inwardly bounces back, drive rod 11 drives punching drive rod 2 to swing around alignment pin 422 and is punched needle
First 3 press to needle punching seat 6, complete needle punching operation.Cause to avoid needle cutting head 3 from shaking or swing in needle blanking process
Needle cutting position misplaces, and cutting head positioning plate 43 is provided on positioning plate, and it is logical which is located at positioning
The positioning guide hole of installation needle cutting head 3 is provided between slot 421 and needle punching seat 6, and on the cutting head positioning plate 43.This
Sample, needle cutting head 3 are mounted in positioning guide hole, and in needle blanking process, needle cutting head 3 is transported up and down in positioning guide hole
Dynamic, needle cutting position immobilizes, to improve needle die cutting accuracy.Preferably, cutting head positioning plate 43 is in the shape of a " convex ", and
Installation through-hole is set on the two sides shoulder of the cutting head positioning plate 43, it is solid to be installed cutting head positioning plate 43 by bolt or pin
It is scheduled on positioning plate 42.In this way, can not only save material, but also convenient for the installation of cutting head positioning plate 43 is fixed to positioning plate 42
On, cutting head positioning plate 43 can also be avoided to influence the installation and movement of other component.Preferably, it is provided on positioning plate 42
The installation translot 423 of cutting head positioning plate 43, and the installation translot 423 be located at positioning through slot 421 and needle punching seat 6 between and with
It is vertical to position through slot 421, in order to which cutting head positioning plate 43 to be installed on positioning plate 42.
The discharge end of needle punching seat 6 is arranged in scrap cutter 5, and the knife handle of scrap cutter 5 by cutter drive rod 7 and drives
The drive rod 11 of dynamic cylinder 1 connects, and cutter drive rod 7 is flexibly connected with the extension end of drive rod 11 by pin shaft.In this way, when driving
When the drive rod 11 of dynamic cylinder 1 is protruding, drive rod 11 passes through the blade incision of the drive scrap cutter 5 of cutter drive rod 7 and will
The scrap belt cutting that the discharge end that needle is punched seat 6 stretches out, accumulates in pin machine to can avoid scrap belt, occupies pin machine
The device space influences the operating of pin machine.Preferably, scrap cutter 5 selects rotary cutter, and the blade direction of the rotary cutter
Needle is punched the discharge end of seat 6, and when drive rod 11 is protruding, drive rod 11 drives rotary cutter to rotate in the forward direction, and rotates at this time
The scrap belt stretched out from the discharge end of needle punching seat 6 is cut off in the blade incision of cutter;When drive rod 11 inwardly bounces back, drive
Lever 11 drives rotary cutter counter-rotating, and the blade revolution of rotary cutter at this time upwards, is prepared for cutting next time scrap belt.
Preferably, the side that the discharge end of needle punching seat 6 is located in positioning plate 42 is provided with cutter locating piece 8, and the cutter locating piece 8
On be provided with installation rotary cutter cutter location hole, in this way, the knife handle of rotary cutter it is vertical with cutter drive rod 7 fixation company
It connects, cutter hub is threaded through in cutter location hole, and the edge of a knife is located at the discharge end of needle punching seat 6.Preferably, it is set on cutter locating piece 8
It is equipped with the locking slot 81 being connected to cutter location hole, and is provided with L-type locking member 9 in the locking slot 81, and the L-type locking member
9 are mounted on cutter locating piece 8 by clamping screw (not shown).In this way, can be incited somebody to action when pin machine does not work for a long time
The locking of L-type locking member locks the drive rod of driving cylinder 1 11 to make rotary cutter that can not rotate in cutter location hole
It is fixed, make drive rod 11 that can not carry out stretching motion, to avoid the needle punching mechanism in pin machine when pin machine stops working
Continue needle punching operation.Preferably, the top of cutter locating piece 8 is arranged in locking slot, in order to install operator for L
Type locking member is installed in the locking slot 81 on cutter locating piece 8 preferably, and installation cutter positioning is provided on positioning plate 42
The mounting groove of block 8 reduces the occupied space of needle punching mechanism in this way, the compactedness of needle punching mechanism can be improved.Preferably, it cuts
It is fixed on positioning plate 42 to locating piece 8 by bolt.Certainly, scrap cutter can also select plug-in strip, at this point, can cut
Cutter groove is set on knife locating piece to position to scrap cutter.
Although the embodiments of the present invention has been shown and described above, it is to be understood that above-described embodiment is example
Property, it is not considered as limiting the invention, those skilled in the art within the scope of the invention can be to above-mentioned
Embodiment is changed, modifies, replacement and variant.