CN207533897U - A kind of press cam angle feed-back device - Google Patents

Abstract

The utility model discloses a kind of press cam angle feed-back devices, its key points of the technical solution are that a kind of press cam angle feed-back device, including rack, bent axle is rotatably connected in rack, interlocking bar is articulated on the bent axle, the axle center of interlocking bar and the center of rotation of bent axle mutually stagger, side of the interlocking bar far from bent axle is hinged with linkage block, the side of linkage block is fixedly connected with conflict bar, and the trigger assembly contradicted for contradicting bar is equipped in rack, and the outer wall of rack is plugged with inductive component.User facilitates the replacement of trigger assembly by taking out fixed link from rack, then trigger assembly replacement is removed from fixed link.

Description

A kind of press cam angle feed-back device

Technical field

The utility model is related to press equipment field, more particularly to a kind of press cam angle feed-back device.

Background technology

Forcing press has widely used, the features such as production efficiency is high, forcing press can be widely applied to cut-out, punching, blanking, The techniques such as bending, riveted and forming.By metal blank is applied powerful pressure make metal occur plastic deformation and be broken come It is processed into part.

Notification number is that the Chinese patent of CN200975598Y discloses a kind of two degree of section protective device forging machine tools, it includes Rack is rotatably connected to bent axle in rack, and bent axle is equipped with cam, and the pivot center of cam and the pivot center of bent axle are mutually wrong It opens, is fixedly connected on the inner wall of rack close to switch, close to switch positioned at the extreme position of the rotation of cam.

The controller of above-mentioned two degree of sections protective device forging machine tool, which sends out stop signal, makes bent axle stop operating, if bent axle misses It acts and is rotated further, and when angle of its rotation is more than 30 degree, then close to switch control controller emergent stopping, but it is close Switch is fixed on the inner wall of rack, difficult close to being replaced during switching damage.

Utility model content

The purpose of this utility model is to provide a kind of press cam angle feed-back device, and advantage is to approach switch to replace It is convenient.

The above-mentioned technical purpose of the utility model technical scheme is that：A kind of press cam angle Feedback device is spent, including rack, bent axle is rotatably connected in rack, interlocking bar, the axle center of interlocking bar are articulated on the bent axle It is mutually staggered with the center of rotation of bent axle, side of the interlocking bar far from bent axle is hinged with linkage block, and the side of linkage block, which is fixed, to be connected Conflict bar is connected to, the trigger assembly contradicted for contradicting bar is equipped in rack, inductive component is plugged on the outer wall of rack.

Through the above technical solutions, with the rotation of bent axle, one end that bent axle drives interlocking bar to be pivotally connected with it rotates, so as to The one end of interlocking bar far from bent axle drives linkage block to slide up and down, and linkage block drives trigger assembly sliding in rack by contradicting bar Dynamic, trigger assembly is slid into the induction range of inductive component, by sliding if controller sends out stop signal and stops bent axle Turn, and when bent axle is rotated further, bent axle triggers inductive component by trigger assembly, and inductive component sends a signal to controller and makes Controller is braked by force, stalls bent axle, and inductive component is inserted by way of grafting in rack, if inductive component occurs During failure, by the linkage of trigger assembly, signal is passed to and is arranged at the inductive component of rack outer wall, due to inductive component The outer wall of rack is arranged on, is not then convenient to use replacement of the person to inductive component.

The utility model is further arranged to：The inductive component includes, close to switch, close on switch by bolt connecting It is connected to fixed link, fixed link and rack grafting.

Through the above technical solutions, fixed link and rack grafting, user is by pulling fixed link to make fixed link from rack Middle pull-out, and fixed link is fixedly connected by bolt with close to switch, while fixed link pulls out rack, fixed link drives close Switch takes out from rack, then by removing bolt from fixed link, makes to be detached from close to switch and fixed link, be connect so as to facilitate The replacement closely switched.

The utility model is further arranged to：Side of the fixed link far from close switch is extended with for user's slave The conflict disk of fixed link is pulled out in frame.

Through the above technical solutions, contradict the disk person of being convenient to use takes out fixed link from rack, meanwhile, disk is contradicted to solid The stroke limit of fixed pole when the bottom end for contradicting disk contradicts the surface of rack, can sense trigger assembly close to switch, separately Outside, trigger assembly, which cannot be contradicted, close to switch, avoids proximity to switch the situation that the component that is triggered hits and damages.

The utility model is further arranged to：The trigger assembly includes the push rod contradicted with conflict bar, is hinged with push rod Turning-bar, side of the turning-bar far from push rod be hinged with frizzen, and frizzen and push rod are connect with housing slide, frizzen Side far from turning-bar is fixedly connected with triggering block.

Through the above technical solutions, frizzen is with the slip of triggering block, upward sliding, frizzen contradict push rod and band Dynamic push rod upward sliding, push rod drive turning-bar rotation, and side of the turning-bar far from push rod drives frizzen to slide, and frizzen leads to Crossing slip drives triggering block to enter close in the range of switch, if controller sends out stop signal and bent axle is made to stop operating, and Bent axle does not stall and triggering block is driven to enter close in the detection range of switch, receives signal close to switch and passes to control Device processed, controller, which is carried out, forces stalling instruction, and bent axle is made to brake by force.

The utility model is further arranged to：Release link is hinged on the turning-bar, release link is connect with gantry rotation, The reduction torsion spring for driving release link rotation is equipped between release link and rack.

Through the above technical solutions, when push rod upward sliding, push rod drives turning-bar rotation, and turning-bar drives release link Rotation, release link squeeze retracted for clearance spring；When conflict bar no longer drives push rod upward sliding, the elasticity of reduction torsion spring is extensive Multiple, resetting spring drives release link rotation, and release link drives push rod to be restored to separate position, facilitates conflict bar by turning-bar Again push rod upward sliding is driven.

The utility model is further arranged to：Clump weight is fixedly connected on the turning-bar.

Through the above technical solutions, the clump weight on turning-bar, increases gravity of the turning-bar close to push rod side, it is heavy Power applies push rod the power of slide downward, has further facilitated push rod slide downward.

The utility model is further arranged to：Secondary clump weight is fixedly connected on the push rod.

Through the above technical solutions, secondary clump weight has further facilitated push rod slide downward by its gravity and has slid into original The position come.

The utility model is further arranged to：Convex block is extended on the frizzen, is extended in rack and is slided for convex block The block of stroke limit.

Through the above technical solutions, limiting of the block to convex block, so as to reach the limiting to frizzen, makes at trigger assembly It contradicts bar in the stroke of restriction, avoiding and persistently contradicts the situation of push rod, since push rod is not to continue to contradict on lower bar, Reduce the situation that bent axle persistently drives push rod upward sliding by contradicting bar, so as to reduce the rotation difficulty of bent axle.

In conclusion the utility model has the advantages that：1st, it equipped with fixed link and close to switch, facilitates close The replacement of switch；

2nd, it equipped with trigger assembly, facilitates the slip for being converted into trigger assembly of bent axle, facilitates inductive component Response；

3rd, it equipped with clump weight and release link, facilitates when conflict bar no longer contradicts push rod, push rod can be with slide downward original Come position, conflict bar is facilitated to drive push rod upward sliding again.

Description of the drawings

Fig. 1 is the whole structure diagram of the present embodiment；

Fig. 2 is the present embodiment to highlight the structure diagram of trigger assembly；

Fig. 3 is the enlarged drawing at A in Fig. 2；

Fig. 4 is the present embodiment to highlight the structure diagram of reduction torsion spring；

Fig. 5 is the enlarged drawing at B in Fig. 4.

Reference numeral：1st, rack；2nd, bent axle；3rd, interlocking bar；4th, linkage block；5th, bar is contradicted；6th, inductive component；7th, triggering group Part；8th, push rod；9th, turning-bar；10th, frizzen；11st, triggering block；12nd, close to switch；13rd, fixed link；14th, disk is contradicted；15th, spiral shell Bolt；16th, release link；17th, reduction torsion spring；18th, clump weight；19th, convex block；20th, block；21st, sliding slot；22nd, secondary clump weight；23rd, it leads Wire casing.

Specific embodiment

The utility model is described in further detail below in conjunction with attached drawing.

Embodiment：With reference to figure 1, a kind of press cam angle feed-back device including rack 1, is rotatably connected in rack 1 Bent axle 2 is articulated with interlocking bar 3 in the eccentric position of bent axle 2, with reference to Fig. 2, linkage block 4 is hinged in interlocking bar 3, is opened in rack 1 Equipped with sliding slot 21, linkage block 4 can slide up and down in sliding slot 21.

With reference to figure 2, as bent axle 2 rotates in rack 1, one end that bent axle 2 drives interlocking bar 3 to be pivotally connected with it rotates, from And the one end far from bent axle 2 of interlocking bar 3 rise either decline interlocking bar 3 drive the linkage block 4 hinged with it rise or under Drop.

It with reference to figure 2, is fixedly connected in linkage block 4 and contradicts bar 5, the sense group to the rotation control of bent axle 2 is equipped in rack 1 Part 6 is additionally provided in rack 1 for the trigger assembly 7 that contradicts bar 5 and inductive component 6 of linking.

With reference to figure 2, trigger assembly 7 includes push rod 8, and one end of push rod 8 is contradicted with contradicting bar 5, and the other end of push rod 8 is hinged There is turning-bar 9, the one end of turning-bar 9 far from push rod 8 is hinged with frizzen 10, with reference to Fig. 3, separate turning-bar 9 on frizzen 10 Side be fixedly connected with triggering block 11, push rod 8 is slidably connected with frizzen 10 with rack 1.As linkage block 4 is in rack 1 In slide up and down, linkage block 4 drive contradict 5 upward sliding of bar, linkage block 4 is by contradicting push rod 5 and push rod 8 being pushed to slide up It is dynamic, so as to which one end that push rod 8 makes turning-bar 9 hinged with it moves up, X in the lateral Fig. 2 of turning-bar 9 far from push rod 8 Direction is slided, and turning-bar 9 pushes frizzen 10 to be slided in rack 1.

With reference to figure 3, trigger assembly 7 is included close to switch 12, if close to 12 damage of switch, more changing-over for the convenience of the users Nearly switch 12, is removably connected with fixed link 13 by bolt 15 close on switch 12, conflict is fixedly connected in fixed link 13 Disk 14（With reference to figure 2）, side of the fixed link 13 far from close switch 12 is perforated through rack 1, and fixed link 13 is inserted with rack 1 It connects, 12 position in rack 1 of close switch is driven to fix so as to facilitate fixed link 13.When fixed link 13 is inserted into rack 1 Afterwards, and the bottom end of conflict disk 14 is contradicted at the surface of rack 1, can sense close triggering block 11 close to switch 12.In fixation The metallic channel 23 for being passed through close to 12 conducting wires of switch is offered in bar 13, guide groove 23, which is perforated through, contradicts disk 14.When need more When changing-over closely switchs 12, user, which rotates, contradicts disk 14 simultaneously by fixed link 13 together with taking-up is replaced from rack 1 close to switch 12, After the completion of replacement, it is inserted into rack 1 together with close to switch 12 by fixed link 13.

Referring to figs. 2 and 3, there are three types of operating conditions for bent axle.Situation one：When controller sends a signal to PLC（It is programmable to patrol Collect controller）And when controlling the bent axle 2 to stop operating, bent axle 2 normally stalls, at this time forcing press normal operation；Situation two：Controller When not sending out the stalling signal of bent axle 2, crank rotation 2 drives triggering block 11 to enter close in the detection range of switch 12, approaches The signal that switch 12 is sent out will not control bent axle 2 to stall；Situation three：Bent axle 2 to according to controller send out stalling signal and bent axle It does not stall, with being rotated further for bent axle 2, bent axle 2 drives 8 upward sliding of push rod by linkage block 4, so as to which push rod 8 is by turning The direction for driving the X into Fig. 2 of frizzen 10 to bar 9 is slided, and frizzen 10 drives triggering block 11 to enter the sense close to switch 12 In the range of answering, close switch 12 is electrically connected with PLC, and will detect signal close to switch 12 passes to PLC, and PLC is according to close switch 12 signal realizes the emergency braking of bent axle 2.

With reference to figure 4, original position can be restored to after being rotated in order to facilitate turning-bar 9, reset is hinged on turning-bar 9 Bar 16, release link 16 and rack 19（With reference to figure 2）Rotation connection, with reference to Fig. 5, is fixedly connected between release link 16 and rack 1 Reduction torsion spring 17.It contradicts bar 5 and drives 8 upward sliding of push rod, so as to which turning-bar 9 be driven to rotate, so as to which turning-bar 9 drives release link 16 into Fig. 5 Z direction rotation, so as to reduction torsion spring 17 generate reset potential energy；No longer drive push rod 8 upward when contradicting bar 5 During slip, the elasticity of reduction torsion spring 17 is restored, so as to the direction rotation for driving the Z into Fig. 5 of release link 16 opposite, so as to release link 16 drive push rod 8 to slide down to origin-location by turning-bar 9.

With reference to figure 5, the position of original is rotated and be restored to for the ease of turning-bar 9, is pushed away so as to fulfill the drive of turning-bar 9 Bar 8 slides.Clump weight 18 is fixedly connected on turning-bar 9, clump weight 18 is positioned close to the side of push rod 8, clump weight 18 Gravity has push rod 8 downward power, so as to ensure that push rod 8 slides into original position.

With reference to figure 5, secondary clump weight 22 is fixedly connected on push rod 8, secondary clump weight 22, which further ensures, contradicts bar 5 not When contradicting push rod, push rod 8 can slide into original position.Convex block 19, the inner wall extension of rack 1 are fixedly connected on frizzen 10 There is the block 20 limited to 19 sliding stroke of convex block, block 20 is limited by the sliding stroke to convex block 19, is contradicting bar 5 no longer Contradict push rod 8 it is upward when, moved down with bar 5 is contradicted, due to blocking of the block 20 to convex block 19, at this time push rod 8 no longer to Lower slider, thus push rod 8 be not contradict always contradict bar 5 on, therefore contradict bar 5 in this trip for not contradicting push rod 8 not With 8 gravity upward sliding of push rod is overcome, so as to reduce the difficulty for contradicting 5 upward sliding of bar.

This specific embodiment is only explanation to the utility model, is not the limitation to the utility model, ability Field technique personnel can as needed make the present embodiment the modification of no creative contribution after this specification is read, but As long as it is all protected in the right of the utility model by Patent Law.

Claims (8)

1. a kind of press cam angle feed-back device including rack (1), is rotatably connected to bent axle (2) in rack (1), special Sign is：Interlocking bar (3) is articulated on the bent axle (2), the axle center of interlocking bar (3) and the center of rotation of bent axle (2) mutually stagger, Side of the interlocking bar (3) far from bent axle (2) is hinged with linkage block (4), and the side of linkage block (4), which is fixedly connected with, contradicts bar (5), The trigger assembly (7) contradicted for contradicting bar (5) is equipped in rack (1), inductive component (6) is plugged on the outer wall of rack (1).

2. a kind of press cam angle feed-back device according to claim 1, it is characterized in that：The inductive component (6) Including close to switch (12), passing through bolt close on switch（15）Fixed link (13) is connected with, fixed link (13) is inserted with rack (1) It connects.

3. a kind of press cam angle feed-back device according to claim 2, it is characterized in that：The fixed link (13) is remote It is extended with from close to the side of switch (12) for user from rack（1）Middle pull-out fixed link（13）Conflict disk (14).

4. a kind of press cam angle feed-back device according to claim 1, it is characterized in that：The trigger assembly (7) Including the push rod (8) contradicted with conflict bar (5) and the hinged turning-bar (9) of push rod (8), the separate push rod (8) of turning-bar (9) Side is hinged with frizzen (10), and frizzen (10) and push rod (8) are slidably connected with rack (1), and frizzen (10) is separate to be turned Triggering block (11) is fixedly connected with to the side of bar (9).

5. a kind of press cam angle feed-back device according to claim 4, it is characterized in that：On the turning-bar (9) Release link (16) is hinged with, release link (16) is rotatablely connected with rack (1), is equipped with and is driven between release link (16) and rack (1) The reduction torsion spring (17) of release link (16) rotation.

6. a kind of press cam angle feed-back device according to claim 4, it is characterized in that：On the turning-bar (9) It is fixedly connected with clump weight (18).

7. a kind of press cam angle feed-back device according to claim 4, it is characterized in that：It is solid on the push rod (8) Surely it is connected with secondary clump weight (22).

8. a kind of press cam angle feed-back device according to claim 1, it is characterized in that：On the frizzen (10) Convex block (19) is extended with, the block (20) limited for convex block (19) sliding stroke is extended in rack (1).