CN201456354U

CN201456354U - Clamp hook compression type mold box locking device

Info

Publication number: CN201456354U
Application number: CN2009200874895U
Authority: CN
Inventors: 郭锦文
Original assignee: Wuhan Ritop Machine Co Ltd
Current assignee: Wuhan Ritop Machine Co Ltd
Priority date: 2009-07-22
Filing date: 2009-07-22
Publication date: 2010-05-12
Anticipated expiration: 2019-07-22

Abstract

The utility model discloses a clamp hook compression type mold box locking device, which comprises a locking hook and a locking hook shaft. The locking hook is hinged on the locking hook shaft, the locking hook shaft is fixedly arranged on a box cover, the part of a box body below the locking hook shaft is fixedly provided with a corresponding locking block shaft, the locking block shaft is hinged with a locking block, the sum of the distance from the center of the locking hook shaft to the center of the locking block shaft and the distance from the center of the locking block to the end of the locking block is more than the distance from the center of the locking hook shaft to the inner side of the body of the locking hook, and the side of the locking hook away from the body is fixedly provided with a locking hook handle. When the utility model is used, the locking hook handle can be driven manually or by a drive device to drive the locking hook to rotate, the locking hook can drive the locking block to rotate, and then the box body and the box cover can be locked firmly. After the box body and the box cover are locked firmly, no gap can be formed and the locking force is high. The utility model has the advantages of simple structure, low labor intensity, energy conservation, easy automation, high efficiency, and wide scope of application.

Description

A kind of grab adding pressure type moulding box locking device

Technical field

The utility model relates to a kind of mold locking device, relates in particular to a kind of grab adding pressure type moulding box locking device.

Background technology

At present, to two-layer locking of separating the time, the locking mode of taking is generally that straight pin locking closure, bolt locking closure, hook groove cooperate, hydraulic cylinder directly pushes up lock or cam locking closure.

The Chinese patent notification number is CN2796893Y; the utility model patent in July 19 2006 day for announcing discloses a kind of servo-actuated swing clasp type clamping mechanism; this kind servo-actuated swing clasp type clamping mechanism is to be symmetrically installed with two Mode-locking oil cylinders on the frame of counterdie both sides; the piston rod end of these two Mode-locking oil cylinders all is hinged with armed lever; the other end of these two armed levers installs its top respectively and is shaped on a shape head; the bottom is shaped on two of the latch hook locking grabs of balanced configuration in opposite directions, is shaped on the circular groove of axle shape head that can hinged these two locking grabs in the patrix symmetry; but following punch die symmetry is shaped on the hook groove that hook is adorned the latch hook of these two locking grabs.What the retaining mechanism of this utility model adopted is that the hook groove locks, complex structure not only, and processing capacity is big, and can't eliminate the gap between latch hook and the hook groove, and locking effect is not good.

Also all there is certain defective in aforesaid other locking modes, the straight pin locking closure is less to the thrust of moulding box lid, easily produce the gap between moulding box body and the moulding box lid, bolt locking closure efficient is low, operation inconvenience, labour intensity is big, be difficult for automation, hydraulic cylinder directly push up the used cylinder diameter of lock big, waste energy, then contact area is little, local pressure is excessive for the cam locking closure.

Summary of the invention

The purpose of this utility model is to overcome between the moulding box of prior art and the moulding box lid easily to produce the gap, thrust is little, the defective of complicated operation and deficiency, provide a kind of grab adding pressure type moulding box cover lock tightly to install, this mechanism structure is simple, easy to operate, operating efficiency is higher, and is easy to realize the unmanned operation of moulding box locking.

For realizing above purpose, technical solution of the present utility model is: a kind of grab adding pressure type moulding box locking device, comprise latch hook and lock hook shaft, latch hook is hinged on the lock hook shaft, described lock hook shaft is fixed on the case lid, correspondence is fixed with the lock dog axle on the casing below the lock hook shaft, is hinged with lock dog on the lock dog axle, described lock hook shaft to the centre-to-centre spacing of lock dog axle and lock dog axle center to lock dog end apart from sum greater than the distance of lock hook shaft center to latch hook coupler body inboard.

Described lock hook shaft is two, and they are separately fixed on the two side of case lid openend, is hinged with latch hook on two lock hook shafts respectively, and correspondence is fixed with the lock dog axle respectively on the casing below two lock hook shafts, is hinged with lock dog respectively on the two lock dog axles.

The inboard of described latch hook coupler body is the plane, and the end of described lock dog is plane or curved surface.

Be hinged with a gag lever post on the lock dog sidewall away from latch hook one side, the other end of gag lever post is with spring on the gag lever post between otic placode and the lock dog sidewall on nut is hinged on otic placode on the casing.

Be fixed with the latch hook handle away from coupler body one side on the described latch hook.

The end of described latch hook handle and the rectilinear motion rod member on the drive unit are hinged, and described drive unit is fixed on the case lid.

Described drive unit is hydraulic cylinder or cylinder.

Compared with prior art, the beneficial effects of the utility model are:

1. the contact-making surface of a kind of grab adding pressure type of the utility model moulding box locking device is suitable, does not therefore have the gap after the locking, and locking effect is good.

2. a kind of grab adding pressure type of the utility model moulding box locking device structure is simple, and can manual drives, so labour intensity is low, energy-conservation.

3. therefore a kind of grab adding pressure type of the utility model moulding box locking device also can easily realize automation, efficient height with hydraulic cylinder or air cylinder driven.

4. the clamp force of a kind of grab adding pressure type of the utility model moulding box locking device is big, has wide range of applications.

Description of drawings

Fig. 1 is the structural representation of first kind of embodiment of the utility model when unblanking;

Fig. 2 is the structural representation of first kind of embodiment of the utility model when locking;

Fig. 3 is the structural representation of second kind of embodiment of the utility model when unblanking;

Fig. 4 is the structural representation of second kind of embodiment of the utility model when locking.

Among the figure: casing 1, case lid 2, drive unit 3, latch hook 4, lock hook shaft 5, lock dog axle 6, lock dog 7, spring 8, gag lever post 9, nut 10, latch hook is 11.

The specific embodiment

Below in conjunction with the description of drawings and the specific embodiment the utility model is described in further detail

Referring to Fig. 1-Fig. 4, the utility model provides a kind of grab adding pressure type moulding box locking device, comprise latch hook 4 and lock hook shaft 5, latch hook 4 is hinged on the lock hook shaft 5, described lock hook shaft 5 is fixed on the case lid 2, correspondence is fixed with lock dog axle 6 on the casing below the lock hook shaft 51, is hinged with lock dog 7 on the lock dog axle 6, described lock hook shaft 5 to the centre-to-centre spacing of lock dog axle 6 and lock dog axle 6 centers to lock dog 7 ends apart from the distance of sum greater than lock hook shaft 5 centers to latch hook 4 coupler body inboards.After lock dog 7 snaps in the latch hook 4, can be in the process of clockwise rotating because the change of position on the radius of turn track, lock dog 7 ends makes the coupler body inboard of 7 pairs of latch hooks 4 of lock dog form roof pressure power.

Described lock hook shaft 5 is two, and they are separately fixed on the two side of case lid 2 openends, is hinged with latch hook 4 respectively on two lock hook shafts 5, on the casing below two lock hook shafts 5 respectively correspondence be fixed with on lock dog axle 6, the two lock dog axles 6 and be hinged with lock dog 7 respectively.

The inboard of described latch hook 4 coupler bodies is the plane, and the end of described lock dog 7 is plane or curved surface.

Be hinged with a gag lever post 9 on lock dog 7 sidewalls away from latch hook 4 one sides, the other end of gag lever post 9 is with spring 8 on the gag lever post 9 between otic placode and lock dog 7 sidewalls on nut 10 is hinged on otic placode on the casing 1.

Be fixed with latch hook 11 away from coupler body one side on the described latch hook 4.

Since described lock hook shaft 5 to the centre-to-centre spacing of lock dog axle 6 and lock dog axle 6 centers to lock dog 7 ends apart from the distance of sum greater than lock hook shaft 5 centers to latch hook 4 coupler body inboards, therefore when the coupler body inboard of latch hook 4 contacts and is rotated in a clockwise direction with lock dog 7, the center line of latch hook 4 coupler bodies can't go on the extended line of lock hook shaft 5 centers and lock dog axle 6 center on lines, but stop in the position of angle α, form the locking stop.

Referring to Fig. 1, Fig. 2, when manual mode is handled, can promote latch hook and rotate counterclockwise latch hook 4 to 11, and promote lock dog 7 counterclockwise with hand, because the space of latch hook 4 coupler body inboards is greater than the space of lock dog 7 ends, therefore can rotate until the latch hook 4 and the bottom of lock dog 7 and tightly fit, the coupler body medial surface of latch hook 4 is contacted with the bottom end of lock dog 7. clockwise rotate latch hook 4 then, latch hook 4 drives lock dog 7 rotations, along with the longitudinal axis of lock dog 7 is close to the center line of lock dog axle 6 to lock hook shaft 5, and lock dog 7 constantly downward roof pressure latch hooks 4, and by lock hook shaft 5 downward pulling case lids 2, make case lid 2 press to casing 1, when the longitudinal axis of lock dog 7 rotates to lock hook shaft 5 when lock dog axle 6 center lines become the α angle, because the jacking of lock dog 4, latch hook 4 can not be rotated further again, and this moment, casing 1 was locked with case lid 2; As desire to unclamp latch hook 4, rotation lock hook 4 counterclockwise then, in rotary course, the jacking force of 7 pairs of latch hooks 4 of lock dog fades away, after jacking force complete obiteration between the two, make lock dog 7 break away from latch hook 4

contact casing

1 and 2 of case lids or released.

Referring to Fig. 3, Fig. 4, when using driving force device 3 to handle, described latch hook is hinged 11 end and the rectilinear motion rod member on the drive unit 3, and described drive unit 3 is fixed on the case lid 2.Be hinged with a gag lever post 9 on lock dog 7 sidewalls away from latch hook 4 one sides, the other end of gag lever post 9 is on nut 10 is hinged on otic placode on the casing 1; Be fixed with a drive unit 3 on the case lid 2, be hinged between this drive unit 3 and the described latch hook 4.Described drive unit 3 is hydraulic cylinder or cylinder.

This moment, spring 8 drive gag lever posts 9 were with the lock dog 7 push-jump latch hook directions that rely on, then by nut 10 location, drive latch hook by drive unit 3 again and drive latch hook 4 to 11 around lock hook shaft 5 rotations, when latch hook 4 coupler body medial surfaces with after lock dog 7 bottom end combine, just driving lock dog 7 by latch hook 4 rotates around lock dog axle 6, when the longitudinal axis of lock dog 7 turn to lock hook shaft 5 when the center line of lock dog axle 6 is the α angle, latch hook 4 can not be rotated further again, this moment, casing 1 was locked with case lid 2; As desire to unclamp, then using drive unit 3 to drive latch hook and drive latch hook 4 reverse rotations to 11, latch hook 4 drives lock dog 7 rotations simultaneously, and after latch hook 4 and lock dog 7 broke away from fully, casing 1 was released with 2 of case lids.

Adopt the utility model structure to test on the mould bases of automotive front baffle glass periphery encapsulate injection mould, its clamp force can reach 50 tons.

Claims

1. grab adding pressure type moulding box locking device, comprise latch hook (4) and lock hook shaft (5), latch hook (4) is hinged on the lock hook shaft (5), it is characterized in that: described lock hook shaft (5) is fixed on the case lid (2), go up correspondence at the casing (1) of lock hook shaft (5) below and be fixed with lock dog axle (6), be hinged with lock dog (7) on the lock dog axle (6), described lock hook shaft (5) to the centre-to-centre spacing of lock dog axle (6) and lock dog axle (6) center to lock dog (7) end apart from the distance of sum greater than lock hook shaft (5) center to latch hook (4) coupler body inboard.

2. a kind of grab adding pressure type moulding box locking device according to claim 1, it is characterized in that: described lock hook shaft (5) is two, they are separately fixed on the two side of case lid (2) openend, be hinged with latch hook (4) on two lock hook shafts (5) respectively, correspondence is fixed with lock dog axle (6) respectively on the casing of two lock hook shafts (5) below, is hinged with lock dog (7) respectively on the two lock dog axles (6).

3. a kind of grab adding pressure type moulding box locking device according to claim 1 and 2, it is characterized in that: the inboard of described latch hook (4) coupler body is the plane, and the end of described lock dog (7) is plane or curved surface.

4. a kind of grab adding pressure type moulding box locking device according to claim 1 and 2, it is characterized in that: on lock dog (7) sidewall, be hinged with a gag lever post (9) away from latch hook (4) one sides, the other end of gag lever post (9) is with spring (8) on the gag lever post (9) between otic placode and lock dog (7) sidewall on nut (10) is hinged on otic placode on the casing (1).

5. a kind of grab adding pressure type moulding box locking device according to claim 1 and 2 is characterized in that: be fixed with latch hook (11) away from coupler body one side on the described latch hook (4).

6. a kind of grab adding pressure type moulding box locking device according to claim 5 is characterized in that: described latch hook is hinged the rectilinear motion rod member on the end of (11) and the drive unit (3), and described drive unit (3) is fixed on the case lid (2).

7. a kind of grab adding pressure type moulding box locking device according to claim 6, it is characterized in that: described drive unit (3) is hydraulic cylinder or cylinder.