CN210450459U

CN210450459U - Automatic core pulling mechanism of numerical control turntable type stretch bender

Info

Publication number: CN210450459U
Application number: CN201921091328.3U
Authority: CN
Inventors: 林国平
Original assignee: NINGBO JIANGBEI SHENGYA MACHINERY & EQUIPMENT FACTORY
Current assignee: NINGBO JIANGBEI SHENGYA MACHINERY & EQUIPMENT FACTORY
Priority date: 2019-07-12
Filing date: 2019-07-12
Publication date: 2020-05-05
Anticipated expiration: 2029-07-12

Abstract

The utility model discloses an automatic core pulling mechanism of a numerical control turntable type stretch bender, which comprises a product body, a core strip body and a core pulling mechanism, wherein a first clamping shell and a second clamping shell are arranged on the outer side of the product body, the first clamping shell is fixedly connected with external equipment, adjustable clamping devices are respectively arranged on the first clamping shell and the second clamping shell, the output ends of the two adjustable clamping devices are respectively contacted with the product body, the core strip body penetrates through the inside of the product body, the automatic core pulling mechanism of the numerical control turntable type stretch bender is characterized in that the adjustable clamping devices are respectively arranged on the first supporting shell and the second supporting shell, and the first supporting shell is connected with the stretch bender equipment, so that the product bodies with different pipe diameters are clamped and positioned, the clamping of the pipe diameter product bodies is firmer, and the separation of the pipe diameter products with different pipe diameters is convenient, thereby improved the utility model discloses an applicability, and facilitate the use, the range of application is wider simultaneously.

Description

Automatic core pulling mechanism of numerical control turntable type stretch bender

Technical Field

The utility model relates to a numerical control revolving stage formula stretch bender technical field specifically is an automatic mechanism of pulling out core of numerical control revolving stage formula stretch bender.

Background

The stretch bender can be divided into a rotary table type stretch bender, a double rotary arm type stretch bender and various special stretch benders, such as a stretch bender special for a shower room, a stretch bender special for a train top beam and a stretch bender special for an elevator, the stretch bender adopts full hydraulic control, is simple and convenient to operate and high in production efficiency, can be used for cold bending various steel pipes, square pipes, H-shaped steel, I-shaped steel, channel steel, angle iron, flat iron and aluminum profiles with the sections of less than 500mm, and is perfect in arc shape after bending, high in precision, good in stability and unchangeable.

According to patent number 201621347712.1, the utility model belongs to the technical field of automobile parts processing equipment, an automatic mechanism of pulling out core of stretch benders is provided, including setting up outer bush and the neck bush at the mechanism one end of pulling out the core, neck bush cover is established in the outer bush, be provided with the drive subassembly at the neck bush, the other end at the mechanism of pulling out the core is provided with the core strip body, intermediate position at the mechanism of pulling out the core is provided with pulls out core space subassembly, treat that the product of stretch bending is located pulls out core space subassembly, the lumen has on the product, the product lumen that the one end of the core strip body was inserted in pulling out core space subassembly fills the support, the core strip body is connected with the drive subassembly of the other end after wearing out the lumen of product. The utility model has the advantages of through increasing automatic plug core process on the stretch bender, can save man-hour than manual plug core to automatic plug core process is steady, can increase the life of core strip, sets up plug core mechanism on the stretch bender, has simplified the process and has improved the productivity. And because the spatial structure of the core pulling space assembly in the patent is relatively fixed, the core pulling space assembly can only be used for filling and supporting products of the same model, and when the products of different models and sizes are subjected to core pulling processing, the core pulling space assemblies of different models and sizes need to be replaced, so that the defect of relatively small application range exists, and therefore, the automatic core pulling mechanism of the numerical control turntable type stretch bender is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an automatic mechanism of pulling out core of numerical control revolving stage formula stretch bender to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an automatic mechanism of pulling out core of numerical control revolving stage formula stretch bender, includes product body, core strip body and the mechanism of pulling out core, the product body outside is equipped with first tight shell of clamp and the tight shell of second clamp, first tight shell of clamp and external equipment fixed connection, first tight shell of clamp and second clamp all are equipped with adjustable clamping device on the tight shell, and two adjustable clamping device outputs respectively with the contact of product body, the inside of product body is run through to the core strip body, and the one end of core strip body and the mechanism fixed connection of pulling out core.

Adjustable clamping device includes first backup pad, second backup pad, double-threaded rod, handle and setting element, first backup pad is fixed in one side that the product body was kept away from to first clamp shell with second backup pad symmetry, the one end of double-threaded rod is passed through the bearing and is rotated with first backup pad and be connected, and the other end of double-threaded rod passes second backup pad and handle fixed connection, the setting element is equipped with two, and two setting element symmetric distribution are in the one side that first backup pad and second backup pad are close to each other, and two setting element outputs all contact with the product body.

The setting element includes stop collar, connecting rod and wedges the piece, the stop collar is equipped with the internal thread in inside, and the stop collar rotates to cup joint in the double thread pole outside, first press from both sides tight shell and the second press from both sides and all be equipped with the spout on pressing from both sides tight shell, the one end of connecting rod with pass spout stop collar fixed connection, and the other end of connecting rod with carve piece fixed connection, carve the piece and contact in the product outside, carve piece and first tight shell sliding connection that presss from both sides.

One end fixedly connected with pull ring of keeping away from the double-threaded rod on the handle, and the pull ring outside is equipped with anti-skidding line.

The connecting rod is T-shaped.

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

1. the utility model discloses when using, through the adjustable clamping device that all is equipped with on first support shell and the second support shell, and first support shell is connected with stretch-bending machine equipment to make the pipe diameter product body of different models size press from both sides tight location, and press from both sides tight comparatively firm to pipe diameter product body, be convenient for simultaneously breaking away from of the pipe diameter product of different models size, thereby improved the utility model discloses an applicability, and facilitate the use, the range of application is wider simultaneously.

2. The utility model discloses a keep away from the one end fixedly connected with pull ring of double threaded rod on hand, and the pull ring outside is equipped with anti-skidding line, and then increases the frictional force of pull ring, is convenient for rotate the double threaded rod.

Drawings

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

FIG. 2 is a side view of the overall structure of the present invention;

fig. 3 is a front cross-sectional view of the mandrel body of the present invention.

In the figure: 1-product body; 2-core bar body; 3-a core pulling mechanism; 4-a first clamping shell; 5-a second clamping shell; 6-adjustable clamping means; 7-a first support plate; 8-a second support plate; 9-double threaded rod; 10-a handle; 11-a positioning element; 12-a stop collar; 13-a connecting rod; 14-wedge shaped blocks; 15-a chute; 16-a pull ring; 17-anti-skid lines.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying 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. 1-3, the present invention provides a technical solution: the utility model provides an automatic mechanism of pulling out core of numerical control revolving stage formula stretch bender, includes product body 1, core strip body 2 and the mechanism of pulling out core 3, the 1 outside of product body is equipped with first tight shell 4 of clamp and the tight shell 5 of second clamp, first tight shell 4 of clamp and external equipment fixed connection, first tight shell 4 of clamp and second clamp all are equipped with adjustable clamping device 6 on pressing from both sides tight shell 5, and two adjustable clamping device 6 outputs contact with product body 1 respectively, core strip body 2 runs through the inside of product body 1, and the one end of core strip body 2 and the mechanism of pulling out core 3 fixed connection, and then the product of the different model sizes of being convenient for pulls out the fixed effect of core.

Adjustable clamping device 6 includes first backup pad 7, second backup pad 8, double thread pole 9, handle 10 and setting element 11, first backup pad 7 is fixed in one side that product body 1 was kept away from to first tight shell 4 of clamp with second backup pad 8 symmetry, the one end of double thread pole 9 is passed through the bearing and is connected with first backup pad 7 rotation, and the other end of double thread pole 9 passes second backup pad 8 and handle 10 fixed connection, setting element 11 is equipped with two, and two setting element 11 symmetric distribution are in the one side that first backup pad 7 and second backup pad 8 are close to each other, and two setting element 11 outputs all contact with product body 1, through being equipped with adjustable clamping device 6 to the realization is to the fixed effect of the clamp of the circular product of different model sizes.

The positioning piece 11 comprises a limiting sleeve 12, a connecting rod 13 and a wedge block 14, wherein an internal thread is arranged inside the limiting sleeve 12, the limiting sleeve 12 is rotatably sleeved outside the double-threaded rod 9, sliding grooves 15 are formed in the first clamping shell 4 and the second clamping shell 5, one end of the connecting rod 13 is fixedly connected with the limiting sleeve 12 through the sliding grooves 15, the other end of the connecting rod 13 is fixedly connected with the wedge block 14, the wedge block 14 is in contact with the outer side of a product, the wedge block 14 is slidably connected with the first clamping shell 4, and the positioning piece 11 is arranged, so that the clamping and fixing effects on the product body 1 are achieved.

Keep away from the one end fixedly connected with pull ring 16 of double threaded rod 9 on the handle 10, and the pull ring 16 outside is equipped with anti-skidding line 17, through being equipped with pull ring 16, and be equipped with anti-skidding line 17 on the pull ring 16, and then increase pull ring 16's frictional force, be convenient for rotate double threaded rod 9.

The connecting rod 13 is T-shaped, so that the connecting rod 13 can limit the position of the position limiting sleeve 12.

The specific implementation mode is as follows: when the product body 1 needs to be fixedly pulled out, the farthest distance between the two wedge blocks 14 on the first clamping shell 4 and the second clamping shell 5 is adjusted, the product body 1 is sleeved on the outer side of the core strip body 2, and the external equipment in the scheme is the existing stretch bender equipment, the stretch bender equipment enables the first clamping shell 4 and the second clamping shell 5 to be tightly attached, so that the product body 1 is arranged between the first clamping shell 4 and the second clamping shell 5, at the moment, the pull ring 16 on the first clamping shell 4 and the second clamping shell 5 is manually rotated to enable the double-threaded rod 9 to rotate, the two limiting sleeves 12 move along the double-threaded rod 9 in opposite directions under the limiting action of the connecting rod 13, so that the wedge blocks 14 are driven to move through the connecting rod 13, when the wedge blocks 14 are tightly contacted with the product body 1, the pull ring 16 cannot rotate, so as to realize the clamping and fixing action on the product body 1, after the product core is pulled out, the stretch bender device operates to separate the first clamping shell 4 from the second clamping shell 5.

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

1. The utility model provides an automatic mechanism of pulling out core of numerical control revolving stage formula stretch bender, includes product body (1), core strip body (2) and the mechanism of pulling out core (3), its characterized in that: the product comprises a product body (1), and is characterized in that a first clamping shell (4) and a second clamping shell (5) are arranged on the outer side of the product body (1), the first clamping shell (4) is fixedly connected with external equipment, adjustable clamping devices (6) are arranged on the first clamping shell (4) and the second clamping shell (5), the output ends of the two adjustable clamping devices (6) are respectively in contact with the product body (1), the core strip body (2) penetrates through the inside of the product body (1), and one end of the core strip body (2) is fixedly connected with a core pulling mechanism (3).

2. The automatic core pulling mechanism of the numerical control turntable type stretch bender according to claim 1, characterized in that: adjustable clamping device (6) include first backup pad (7), second backup pad (8), double thread pole (9), handle (10) and setting element (11), first backup pad (7) are fixed in one side that product body (1) was kept away from in first clamp shell (4) with second backup pad (8) symmetry, the one end of double thread pole (9) is passed through the bearing and is rotated with first backup pad (7) and be connected, and the other end of double thread pole (9) passes second backup pad (8) and handle (10) fixed connection, setting element (11) are equipped with two, and two setting element (11) symmetric distribution are in the one side that first backup pad (7) and second backup pad (8) are close to each other, and two setting element (11) outputs all contact with product body (1).

3. The automatic core pulling mechanism of the numerical control turntable type stretch bender according to claim 2, characterized in that: the locating piece (11) comprises a limiting sleeve (12), a connecting rod (13) and a wedge block (14), wherein an internal thread is arranged inside the limiting sleeve (12), the limiting sleeve (12) is rotatably sleeved outside the double-threaded rod (9), a first clamping shell (4) and a second clamping shell (5) are respectively provided with a sliding groove (15), one end of the connecting rod (13) is fixedly connected with the limiting sleeve (12) through the sliding groove (15), the other end of the connecting rod (13) is fixedly connected with the wedge block (14), the wedge block (14) is in contact with the outer side of a product, and the wedge block (14) is in sliding connection with the first clamping shell (4).

4. The automatic core pulling mechanism of the numerical control turntable type stretch bender according to claim 2, characterized in that: one end of the handle (10) far away from the double-threaded rod (9) is fixedly connected with a pull ring (16), and anti-skid grains (17) are arranged on the outer side of the pull ring (16).

5. The automatic core pulling mechanism of the numerical control turntable type stretch bender according to claim 3, characterized in that: the connecting rod (13) is T-shaped.