阅读说明：本技术 一种管端成型机中的锁紧装置 (Locking device in pipe end forming machine ) 是由 吴冠鋐 于 2020-07-23 设计创作，主要内容包括：本发明适用于弯管设备技术领域,提供了一种管端成型机中的锁紧装置,包括用于对管端进行夹持的夹模座,夹模座插接在过渡板和支撑座之间,夹模座上方设置有夹紧油缸,该夹紧油缸通过过渡板对夹模座的上夹模进行升降夹持,过渡板的侧面设置有可升降的锁紧油缸,锁紧油缸位于上极限位置时推动下表面为斜面的锁块在过渡板上表面的键锥进行滑动用于对夹模座的上夹模进行锁定,锁紧油缸下降到与夹模座平齐时用于推动夹模座进行拆卸更换；通过在过渡板的上方侧面设置一个推动锁块进行移动,并在移动的过程中对过渡板上表面进行压制导致锁紧的锁紧油缸,锁紧油缸设置为可升降从而通过下降从侧面对旧的夹模座进行推动更换,避免了人工更换的麻烦。(The invention is suitable for the technical field of pipe bending equipment, and provides a locking device in a pipe end forming machine, which comprises a die holder for clamping a pipe end, wherein the die holder is inserted between a transition plate and a supporting seat, a clamping oil cylinder is arranged above the die holder, the clamping oil cylinder carries out lifting clamping on an upper die holder of the die holder through the transition plate, a lifting locking oil cylinder is arranged on the side surface of the transition plate, when the locking oil cylinder is positioned at an upper limit position, a locking block with an inclined lower surface is pushed to slide on a key cone on the upper surface of the transition plate for locking the upper die holder of the die holder, and when the locking oil cylinder is lowered to be level with the die holder, the locking oil cylinder is used for pushing the die holder to be detached and replaced; the push locking block is arranged on the side face above the transition plate to move, the upper surface of the transition plate is pressed in the moving process to form a locking oil cylinder which is locked, the locking oil cylinder is arranged to be liftable, and therefore old die clamping seats are pushed and replaced through descending from the side face, and the trouble of manual replacement is avoided.)

1. A locking device in a pipe end forming machine is characterized in that: including being used for carrying out the double-layered die holder (12) of centre gripping to the pipe end, double-layered die holder (12) are pegged graft between cab apron (13) and supporting seat (11), double-layered die holder (12) top is provided with presss from both sides tight hydro-cylinder (14), and this presss from both sides tight hydro-cylinder (14) and passes through cab apron (13) are right press from both sides last double-layered mould (122) of double-layered die holder (12) and go up and down the centre gripping, the side of crossing cab apron (13) is provided with liftable locking hydro-cylinder (23), locking hydro-cylinder (23) promote when being located upper limit position that the lower surface is locking piece (24) on inclined plane be in it is right to cross key awl (25) of cab apron (13) upper surface slide be used for press from both sides die holder (12) go up double-layered mould (122) and lock, locking hydro-cylinder (23) descend to with be used for promoting when pressing from both sides die.

2. A locking device in a pipe end forming machine according to claim 1, wherein: the die holder (12) is divided into an upper die (122) and a lower die (121), the upper die (122) and the lower die are limited in the vertical direction through a guide rod (123), the upper die (122) is inserted into the lower surface of the transition plate (13), and the lower die (121) is inserted into the upper surface of the support seat (11).

3. A locking device in a pipe end forming machine according to claim 2, wherein: the lower surface of the clamping oil cylinder (14) is installed on an installation plate (15), and the transition plate (13) is connected with the installation plate (15) in a sliding mode through a guide post (131).

4. A locking device in a pipe end forming machine according to claim 3, wherein: the lower surface of the mounting plate (15) is provided with symmetrical guide plates (151), and the inner parts of the guide plates (151) are slidably connected with the locking blocks (24).

5. The locking device in a pipe end forming machine of claim 4, wherein: the lower surface of the locking block (24) corresponds to the key cones (25), the upper surfaces of the key cones (25) are inclined, and the two key cones (25) are symmetrically arranged on the upper surface of the transition plate (13).

6. The locking device in a pipe end forming machine of claim 4, wherein: the equal fixedly connected with curb plate (21) in two sides of the symmetry of mounting panel (15), vertical spout (211) to are seted up to curb plate (21) inside wall, the fixed sliding plate (22) both ends of locking hydro-cylinder (23) all slide and set up in spout (211).

7. A locking device in a pipe end forming machine according to claim 6, wherein: the upper limit position of the locking oil cylinder (23) is when the upper surface of the sliding plate (22) is attached to the lower surface of the mounting plate (15).

8. A locking device in a pipe end forming machine according to claim 6, wherein: the upper surface of the mounting plate (15) is provided with a penetrating screw rod (26), and the screw rod (26) is in threaded connection with the sliding plate (22) and is used for driving the sliding plate (22) to lift and change the position of the locking oil cylinder (23).

9. A locking device in a pipe end forming machine according to claim 7, wherein: an output shaft of the locking oil cylinder (23) is provided with an insertion block (231), the insertion block (231) is inserted into an insertion groove (241) of the locking block (24) from the lower portion, the insertion groove (241) is T-shaped, and the upper end of the insertion block (231) is conical.

Technical Field

The invention belongs to the technical field of pipe bending equipment, and particularly relates to a locking device in a pipe end forming machine.

Background

The pipe end forming machine is suitable for machining complicated shapes of pipe ends. The automatic chamfering machine has three stations, can automatically change the die, ensures the machining precision, can be manually and automatically selected at will, has the functions of NC control, Chinese display and man-machine conversation operation, has an automatic counting function, can machine the die, the pipe shrinkage and the flaring, is provided with a chamfering die at the same time, can finish the machining of the chamfer at one time, and the like.

Pipe end make-up machine pushes up the part through the pneumatic cylinder and presss from both sides the mould and descend the cooperation lower part to press from both sides the mould and carry out the centre gripping to the tip of body, and this kind of mode leads to on the one hand easy unable locking because the pneumatic cylinder can not last stable output, and on the other hand is different because the model and the specification of body, and it is comparatively troublesome to carry out new module change after all needing artifical the dismantlement at every turn.

Disclosure of Invention

The invention provides a locking device in a pipe end forming machine, and aims to solve the problems that a module is unstable in clamping and an improper module is difficult to disassemble manually.

The locking device in the pipe end forming machine comprises a die holder for clamping a pipe end, wherein the die holder is inserted between a transition plate and a supporting seat, a clamping oil cylinder is arranged above the die holder and used for lifting and clamping an upper die of the die holder through the transition plate, a lifting locking oil cylinder is arranged on the side surface of the transition plate, when the locking oil cylinder is positioned at an upper limit position, a locking block with an inclined lower surface is pushed to slide on a key cone on the upper surface of the transition plate to lock the upper die of the die holder, and when the locking oil cylinder is lowered to be level with the die holder, the locking oil cylinder is used for pushing the die holder to be detached and replaced.

Preferably, the die holder is divided into an upper die and a lower die, the upper die and the lower die are vertically limited by a guide rod, the upper die is inserted into the lower surface of the transition plate, and the lower die is inserted into the upper surface of the support seat.

Preferably, the lower surface of the clamping oil cylinder is installed on an installation plate, and the transition plate is connected with the installation plate in a sliding mode through a guide pillar.

Preferably, the lower surface of the locking block corresponds to the key cone, the upper surface of the key cone is inclined, and the two key cones are symmetrically arranged on the upper surface of the transition plate.

Preferably, two symmetrical side surfaces of the mounting plate are fixedly connected with side plates, vertical sliding grooves are formed in the inner side walls of the side plates, and two ends of a sliding plate fixed by the locking oil cylinder are arranged in the sliding grooves in a sliding mode.

Preferably, the upper limit position of the locking oil cylinder is when the upper surface of the sliding plate is attached to the lower surface of the mounting plate.

Preferably, the upper surface of the mounting plate is provided with a penetrating screw, and the screw is in threaded connection with the sliding plate and is used for driving the sliding plate to lift and change the position of the locking oil cylinder.

Preferably, the output shaft of the locking oil cylinder is provided with an insertion block, the insertion block is inserted into the insertion groove of the locking block from the lower part, the insertion groove is T-shaped, and the upper end of the insertion block is conical.

Compared with the prior art, the invention has the beneficial effects that: according to the locking device in the pipe end forming machine, the pushing locking block is arranged on the side face above the transition plate to move, the locking oil cylinder which is used for pressing the upper surface of the transition plate in the moving process to cause locking is arranged, and the locking oil cylinder can be lifted so as to push and replace the old die holder from the side face by descending, so that the trouble of manual replacement is avoided.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is a schematic diagram of the internal side view of the present invention;

FIG. 4 is a schematic view of a mold clamping base according to the present invention;

FIG. 5 is a schematic side sectional view of FIG. 4;

in the figure: 11. a supporting seat; 12. a die clamping seat; 121. clamping the die downwards; 122. clamping the die; 123. a guide bar; 13. a transition plate; 131. a guide post; 14. clamping the oil cylinder; 15. mounting a plate; 151. a guide plate; 21. a side plate; 211. a chute; 22. a sliding plate; 23. locking the oil cylinder; 231. inserting a block; 24. a locking block; 241. a slot; 25. a key cone; 26. a screw.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more apparent, the present invention is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1-5, the present invention provides a technical solution: a locking device in a pipe end forming machine comprises a die holder 12 used for clamping a pipe end, the die holder 12 is inserted between a transition plate 13 and a supporting seat 11, a clamping oil cylinder 14 is arranged above the die holder 12, the clamping oil cylinder 14 carries out lifting clamping on an upper clamping die 122 of the die holder 12 through the transition plate 13, a lifting locking oil cylinder 23 is arranged on the side surface of the transition plate 13, the locking oil cylinder 23 pushes a locking block 24 with an inclined lower surface to slide on a key cone 25 on the upper surface of the transition plate 13 when being located at an upper limit position, so as to lock the upper clamping die 122 of the die holder 12, and the locking oil cylinder 23 is used for pushing the die holder 12 to be detached and replaced when descending to be level with the die holder 12.

In the embodiment, firstly, the clamping cylinder 14 is started to contract, the contraction of the clamping cylinder 14 drives the upper clamping die 122 to ascend through the transition plate 13, so as to open the die holder 12, then the pipe end is placed on the lower clamping die 121, then the clamping cylinder 14 is controlled to descend to drive the upper clamping die 122 to descend to cooperate with the lower clamping die 121 to clamp and fix the pipe end, then the locking cylinder 23 is started, the extension of the locking cylinder 23 drives the locking block 24 to move towards the upper surface of the transition plate 13 along the guide plate 151, when the inclined surface of the lower surface of the locking block 24 is contacted with the upper surface of the key cone 25 on the upper surface of the transition plate 13, the locking cylinder 23 slides along the upper surface thereof, so as to further push the transition plate 13 to clamp the pipe end downwards, so as to complete the locking of the die holder 12, then the operation is performed, after the operation is completed, the locking cylinder 23 is started to contract, so that the locking block 24 is separated from the key cone 25 until the back surface, the clamping cylinder 14 is then actuated to retract to open the upper clamp die 122, after which the pipe body is removed from the clamp die holder 12 for the next pipe end to be machined.

When the aperture of the next pipe body is not suitable for the aperture of the die holder 12, the clamping cylinder 14 pushes the upper clamping die 122 to descend to clamp the die holder 12, then the screw rod 26 is started, the screw rod 26 rotates to drive the sliding plate 22 to descend along the sliding groove 211, so that the locking cylinder 23 descends, when the joint seam of the locking cylinder 23 and the die holder 12 is flush, the locking cylinder 23 is started to push the die holder 12 out of the supporting seat 11 and the transition plate 13 from the side, then the height of the transition plate 13 is adjusted again according to the height of the new die holder 12, the new die holder 12 is manually replaced, the locking cylinder 23 contracts to the shortest length and then is driven by the screw rod 26 to ascend, so that the insertion block 231 of the output end is directly inserted into the insertion groove 241, the installation of the locking block 24 is completed, and the operation of the next round is performed.

Further, the die holder 12 is divided into an upper die 122 and a lower die 121, the upper die 122 and the lower die 121 are vertically limited by a guide rod 123, the upper die 122 is inserted into the lower surface of the transition plate 13, and the lower die 121 is inserted into the upper surface of the support base 11.

In this embodiment, the upper clamping die 122 and the lower clamping die 121 are connected in series through the guide rod 123, the guide rod 123 guides and limits the position of the upper clamping die 122 in the lifting process, and the guide rod 123 fixes the upper clamping die 122 and the lower clamping die 121 in the lifting process, so that the upper clamping die 122 and the lower clamping die can move laterally and synchronously, and the locking cylinder 23 can push the upper clamping die 122 and the lower clamping die to move synchronously.

Further, the lower surface of the clamping cylinder 14 is mounted on the mounting plate 15, and the transition plate 13 is slidably connected to the mounting plate 15 through the guide post 131.

In the embodiment, the clamping cylinder 14 controls the transition plate 13 and the upper clamping die 122 to ascend and descend from above, so that the distance between the upper clamping die 122 and the lower clamping die 121 is increased and shortened to facilitate the placement of the pipe body, on the other hand, the lower clamping die 121 is matched with the descending of the lower clamping die 121 to clamp and fix the pipe body, the guide pillar 131 is arranged to guide the ascending and descending of the transition plate 13, and the dislocation or offset of the transition plate 13 in the ascending and descending process is avoided.

Further, the lower surface of the mounting plate 15 is provided with symmetrical guide plates 151, the inner parts of the guide plates 151 are slidably connected to the locking block 24, the lower surface of the locking block 24 corresponds to the key cones 25, the upper surfaces of the key cones 25 are arranged to be inclined, and the two key cones 25 are symmetrically mounted on the upper surface of the transition plate 13.

In this embodiment, the two outer side surfaces of the lock block 24 on the left and right are both provided with a groove, and the groove is slidably clamped with the lower edge of the guide plate 151, so that the lock block 24 moves along the guide plate 151, and further the position of the lock block 24 is limited, when the lock block 24 moves to the end of one end of the guide plate 151, namely, the lock block 24 is attached to the side surface of the sliding plate 22, the position of the lock block 24 is limited, the lock cylinder 23 is convenient to be directly inserted into the lock block 24 when rising, the inclined surface of the lower surface of the lock block 24 is attached to the inclined surface of the upper surface of the key cone 25, and therefore the lock block 24 smoothly transits to the upper surface of the key cone 25 when moving and presses the key cone when continuously moving.

Furthermore, two symmetrical side surfaces of the mounting plate 15 are fixedly connected with side plates 21, a vertical sliding groove 211 is formed in the inner side wall of each side plate 21, two ends of a sliding plate 22 fixed by a locking oil cylinder 23 are arranged in the sliding grooves 211 in a sliding mode, and the upper limit position of the locking oil cylinder 23 is formed when the upper surface of the sliding plate 22 is attached to the lower surface of the mounting plate 15.

In this embodiment, the screw 26 drives the sliding plate 22 to slide in the sliding groove 211 of the side plate 21 with the sliding legs on both sides, so as to change the position of the locking cylinder 23, the sliding groove 211 is configured to limit the lifting of the locking cylinder 23, the upper limit position of the locking cylinder 23 is configured to be attached to the lower surface of the mounting plate 15, and the insertion control of the locking block 24 is realized.

Further, a threaded rod 26 is installed on the upper surface of the installation plate 15, and the threaded rod 26 is screwed on the sliding plate 22 and used for driving the sliding plate 22 to lift and change the position of the locking cylinder 23.

In this embodiment, the motor on the screw 26 rotates to drive the screw 26 to rotate, the rotation of the screw 26 drives the sliding plate 22 to move up and down along the sliding groove 211, so that the locking cylinder 23 moves up to perform insertion control on the locking block 24, and the locking cylinder 23 moves down to push the die holder 12.

Further, an insertion block 231 is arranged on an output shaft of the locking cylinder 23, the insertion block 231 is inserted into an insertion groove 241 of the locking block 24 from the lower side, the insertion groove 241 is T-shaped, and the upper end of the insertion block 231 is conical.

In this embodiment, the opening of the insertion groove 241 is arranged below, so that the insertion block 231 can be conveniently inserted into the insertion groove 241 from below, the locking block 24 can be controlled to be conveniently moved to be separated from the locking block 24 from top to bottom, the T-shaped insertion block 231 and the insertion groove 241 are both provided, so that the locking cylinder 23 can be conveniently pushed and pulled back to the locking block 24 from the horizontal direction through the insertion block 231, and the upper end of the insertion block 231 is provided with a conical shape to be conveniently inserted into the insertion groove 241 to avoid being incapable of being inserted into the insertion groove due to deviation.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.