CN218224376U - Clamping mechanism of pipe bending machine for ball-head pull rod production - Google Patents

Abstract

The utility model discloses a fixture based on bending machine is used in production of bulb pull rod, including frame, centre gripping main part and displacement ring, the centre gripping main part is including solid fixed ring and multiunit latch segment, and solid fixed ring forms through two sets of semi-rings, and the articulated shaft is passed through to the one end of two sets of semi-rings articulated, and the other end of two sets of semi-rings passes through a screw fixed connection, and the centrifugal hole has been seted up at the middle part of latch segment, the utility model relates to a centre gripping technical field. This fixture based on bending machine is used in production of bulb pull rod pulls the displacement ring through electric push rod, and then makes the displacement ring move to the right side, and make bracing piece and latch segment offset, and then the latch segment rotates, and press from both sides tightly the pipe pole, the centre gripping is firm, and through setting up the gum cover, improve the stability of centre gripping, avoid the centre gripping to drop, be circular structure's latch segment through the setting, make it can be adapted to during the pipe fitting of various different specification and dimension presss from both sides tightly, and need not to install the dismantlement process, easy and simple to handle and labour saving and time saving.

Description

Clamping mechanism of pipe bending machine for ball-head pull rod production

Technical Field

The utility model relates to a centre gripping technical field specifically is a fixture based on bending machine is used in production of bulb pull rod.

Background

When the pipe bender bends a pipe fitting, the pipe fitting needs to be clamped by the clamping device, so that the feeding and the corner of the pipe fitting are driven, and the bending of the pipe fitting is realized. During the bending of the pipe, the gripping device is required to grip the pipe without any loosening.

Chinese utility model patent with publication number CN207447154U discloses a pipe bender and pipe fitting fixture thereof, this patent first clamping face with the second clamping face is laminated with the pipe outer wall of waiting to process the pipe fitting, and forms and waits to process the specification assorted centre gripping hole of pipe fitting. Therefore, the pipe fitting clamping mechanism can clamp the pipe fitting to be machined in the machining process of the pipe bender, so that the pipe fitting is bent at a preset angle in the pipe bending process, the pipe fitting is prevented from being scraped in the machining process, and the pipe bending machining quality is guaranteed.

However, when clamping pipes with different specifications in the use process, the first clamping part needs to be detached, the clamping holes matched with the first clamping part are adjusted according to the specifications of the pipes, the detachment and installation are complex in the use process, and time waste is easily caused.

SUMMERY OF THE UTILITY MODEL

To prior art's not enough, the utility model provides a fixture of bending machine for production based on bulb pull rod is the latch segment of circular structure through the setting, makes during its pipe fitting that can be adapted to various different specification and dimension presss from both sides tightly, and need not to install and dismantle the process, easy and simple to handle and labour saving and time saving.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: a clamping mechanism of a pipe bending machine for producing a ball-head pull rod comprises a machine base, a clamping main body and a shifting ring, wherein the clamping main body comprises a fixing ring and a plurality of groups of locking blocks, the fixing ring is composed of two groups of semi-ring strips, one ends of the two groups of semi-ring strips are hinged through a hinge shaft, and the other ends of the two groups of semi-ring strips are fixedly connected through a screw I;

the middle part of latch segment has seted up the centrifugal hole, and the inboard rotation in centrifugal hole is connected with the fixed sleeve, and is equipped with spacing subassembly between fixed sleeve and the latch segment, and is equipped with the torsional spring between latch segment and the fixed sleeve.

Preferably, the limiting assembly comprises a limiting column, the limiting column is fixedly connected with the inner side of the centrifugal hole, a limiting sliding groove matched with the limiting column is formed in the outer side of the fixing sleeve, and the limiting column is connected with the limiting sliding groove in a sliding mode.

Preferably, the outer side of the fixing ring is provided with a plurality of groups of first screw holes, the outer side of the fixing sleeve is provided with a first through hole, the fixing sleeve is sleeved on the outer side of the fixing ring, the fixing sleeve is connected with the fixing ring through a second screw, and the second screw penetrates through the through hole and is in threaded connection with the first screw holes.

Preferably, the outer side of the locking block is fixedly connected with a rubber sleeve, and anti-skid textures are arranged on the outer side of the rubber sleeve;

the inner side of the shifting ring is provided with a tapered groove, and the tapered groove is in contact with the outer side of the locking block.

Preferably, the upper portion fixedly connected with of frame runs through the ring seat, the right side fixedly connected with electricity push rod that runs through the ring seat, and the output of electricity push rod run through the ring seat and with the right side fixed connection who shifts the ring.

Preferably, a plurality of groups of support rods are fixedly connected to the left side of the displacement ring, and a screw hole II is formed in one end, far away from the displacement ring, of each support rod;

and a plurality of groups of through holes II are further formed in the outer side of the clamping main body, the clamping main body is fixedly connected with the supporting rod through screws III, and the screws III penetrate through the through holes II and are in threaded connection with the screw holes II.

Advantageous effects

The utility model provides a fixture based on bending machine is used in production of bulb pull rod. Compared with the prior art, the method has the following beneficial effects:

the shifting ring is pulled through the electric push rod, so that the shifting ring moves to the right, the supporting rod is abutted against the locking block, the locking block rotates, the pipe rod is clamped, clamping is firm, and the rubber sleeve is arranged, so that the clamping stability is improved, and clamping falling is avoided;

the locking block with the circular structure is arranged, so that the locking block can be suitable for clamping pipe fittings with different specifications and sizes, the mounting and dismounting processes are not needed, the operation is simple and convenient, and time and labor are saved;

through the fixed ring and the plurality of groups of locking blocks which are connected through screws and arranged in a modularized manner, the equipment can be detached, and the problem that parts of the equipment cannot be replaced when the equipment is damaged is solved.

Drawings

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

fig. 2 is a structural sectional view of the clamping main body of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 1;

fig. 4 is a partially enlarged view of the point B in fig. 2 according to the present invention.

In the figure: 1. a machine base; 11. penetrating through the ring seat; 12. an electric push rod; 2. a clamping body; 21. a fixing ring; 211. a semi-circular strip; 212. hinging a shaft; 213. a first screw; 214. a first screw hole; 22. a locking block; 221. a centrifugal hole; 222. a fixed sleeve; 223. a first through hole; 224. a second screw; 23. a torsion spring; 24. a rubber sleeve; 241. anti-skid texture; 25. a second through hole; 26. a third screw; 3. a displacement ring; 31. a support bar; 311. a second screw hole; 32. a tapered slot; 41. a limiting post; 42. and a limiting sliding groove.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a clamping mechanism of a pipe bending machine for producing a ball head pull rod comprises a machine base 1, a clamping main body 2 and a position changing ring 3, wherein the clamping main body 2 comprises a fixing ring 21 and a plurality of groups of locking blocks 22, the locking blocks 22 are in a circular structure, the fixing ring 21 is composed of two groups of semi-ring strips 211, one ends of the two groups of semi-ring strips 211 are hinged through a hinge shaft 212, the other ends of the two groups of semi-ring strips 211 are fixedly connected through a screw I213, the middle part of the locking block 22 is provided with a centrifugal hole 221, the inner side of the centrifugal hole 221 is rotatably connected with a fixing sleeve 222, a limiting component is arranged between the fixing sleeve 222 and the locking block 22, a torsional spring 23 is arranged between the locking block 22 and the fixing sleeve 222, the locking block 22 in the circular structure is arranged to be suitable for clamping pipe fittings with various specifications and sizes without mounting and dismounting processes, the operation is simple and time and labor saving, the limiting component comprises a limiting column 41, the limiting column 41 is fixedly connected with the inner side of the centrifugal hole 221, the outer side of the fixing sleeve 222 is provided with a limiting sliding groove 42 matched with the limiting column 41, the limiting column 41 is connected with the limiting sliding groove 42 in a sliding manner, the outer side of the fixing ring 21 is provided with a plurality of groups of screw holes 214, the outer side of the fixing sleeve 222 is provided with a through hole 223, the fixing sleeve 222 is sleeved on the outer side of the fixing ring 21, the fixing sleeve 222 is connected with the fixing ring 21 through a screw II 224, the screw II 224 penetrates through the through hole 223 and is in screw connection with the screw holes 214, the left side of the shifting ring 3 is fixedly connected with a plurality of groups of supporting rods 31, one end of the supporting rod 31 far away from the shifting ring 3 is provided with a screw hole II 311, the outer side of the clamping main body 2 is further provided with a plurality of groups of through holes II 25, the clamping main body 2 is fixedly connected with the supporting rods 31 through a screw III 26, and the screw III 26 penetrates through the through holes II 25 and is in screw connection with the screw holes 311, the modularization sets up, make equipment can dismantle, when having solved equipment impaired, the inconvenient problem of replacement of equipment spare part, the outside fixedly connected with gum cover 24 of latch segment 22, and the outside of gum cover 24 is equipped with anti-skidding texture 241, the bell jar 32 has been seted up to the inboard of ring 3 shifts, and the outside of bell jar 32 and latch segment 22 contacts, the upper portion fixedly connected with of frame 1 runs through ring seat 11, the right side fixedly connected with electric push rod 12 that runs through ring seat 11, and the output of electric push rod 12 runs through the right side fixed connection who runs through ring seat 11 and with ring 3 shifts, ring 3 shifts through the pulling of electric push rod 12, and then make ring 3 that shifts move to the right, and make bracing piece 31 and latch segment 22 offset, and then latch segment 22 rotate, and press from both sides the pipe pole tightly, the centre gripping is firm, and through setting up gum cover 24, improve the stability of centre gripping, avoid the centre gripping to drop.

And those not described in detail in this specification are well within the skill of those in the art.

During installation, firstly unfolding the two groups of semi-ring strips 211, then sleeving the locking block 22 on the outer sides of the semi-ring strips 211 through the fixing sleeve 222, then enabling the fixing ring 21 to form a circular ring through the hinge shaft 212, fixing the circular ring through the first screw 213, then penetrating through the first through hole 223 through the second screw 224 and screwing the first screw hole 214, further enabling the fixing sleeve 222 to be fixed with the fixing ring 21, then penetrating through the second through hole 25 through the third screw 26 and screwing the second screw hole 311, further enabling the clamping main body 2 to be fixed with the support rod 31, and thus completing installation;

during the use, pass solid fixed ring 21 and the ring 3 that shifts with the tubular pole, through electric putter 12 pulling shift ring 3, and then make shift ring 3 move to the right side to make bracing piece 31 and latch segment 22 offset, and then latch segment 22 rotates, and presss from both sides tightly the tubular pole, then alright bend the pipe fitting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. The utility model provides a fixture based on bending machine is used in production of bulb pull rod, includes frame, centre gripping main part and displacement ring, its characterized in that: the clamping main body comprises a fixing ring and a plurality of groups of locking blocks, the fixing ring is composed of two groups of semi-ring strips, one ends of the two groups of semi-ring strips are hinged through a hinge shaft, and the other ends of the two groups of semi-ring strips are fixedly connected through a first screw;

the middle part of the locking block is provided with a centrifugal hole, the inner side of the centrifugal hole is rotatably connected with a fixed sleeve, a limiting component is arranged between the fixed sleeve and the locking block, and a torsional spring is arranged between the locking block and the fixed sleeve.

2. The clamping mechanism of the pipe bender for ball-head pull rod production according to claim 1, characterized in that: the limiting assembly comprises a limiting column, the limiting column is fixedly connected with the inner side of the centrifugal hole, a limiting sliding groove matched with the limiting column is formed in the outer side of the fixing sleeve, and the limiting column is connected with the limiting sliding groove in a sliding mode.

3. The clamping mechanism of the pipe bender for ball-head pull rod production according to claim 1, characterized in that: the outer side of the fixing ring is provided with a plurality of groups of first screw holes, the outer side of the fixing sleeve is provided with a first through hole, the fixing sleeve is sleeved on the outer side of the fixing ring, the fixing sleeve is connected with the fixing ring through a second screw, and the second screw penetrates through the through hole and is in threaded connection with the first screw holes.

4. The clamping mechanism of the pipe bender for the ball-head pull rod production according to claim 1, characterized in that: the outer side of the locking block is fixedly connected with a rubber sleeve, and the outer side of the rubber sleeve is provided with anti-skidding textures;

the inboard of displacement ring has seted up the tapered slot, and the tapered slot contacts with the outside of latch segment.

5. The clamping mechanism of the pipe bender for ball-head pull rod production according to claim 1, characterized in that: the upper portion fixedly connected with of frame runs through the ring seat, the right side fixedly connected with electricity push rod that runs through the ring seat, and the output of electricity push rod run through the ring seat and with the right side fixed connection who shifts the ring.

6. The clamping mechanism of the pipe bender for ball-head pull rod production according to claim 1, characterized in that: a plurality of groups of supporting rods are fixedly connected to the left side of the displacement ring, and a screw hole II is formed in one end, far away from the displacement ring, of each supporting rod;

and a plurality of groups of through holes II are further formed in the outer side of the clamping main body, the clamping main body is fixedly connected with the supporting rod through screws III, and the screws III penetrate through the through holes II and are in threaded connection with the screw holes II.

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