CN217251833U

CN217251833U - Bending tool special for Z-shaped bending of electric heating element

Info

Publication number: CN217251833U
Application number: CN202220412166.4U
Authority: CN
Inventors: 高强; 韩静; 赵云超
Original assignee: Jilin Province Jinlun Since And Technology Co ltd
Current assignee: Jilin Province Jinlun Since And Technology Co ltd
Priority date: 2022-02-28
Filing date: 2022-02-28
Publication date: 2022-08-23
Anticipated expiration: 2032-02-28

Abstract

The utility model relates to a frock technical field of bending especially relates to a curved special frock of bending of electric heating element Z shape, has solved the curved problem that needs to form through the processing of bending many times of electric heating element Z shape among the prior art. The utility model provides a curved special frock of bending of electric heating element Z shape, includes work platform, the pneumatic cylinder is installed at work platform's top, one side of pneumatic cylinder is provided with backing plate and work platform fixed connection, the top fixedly connected with bed die of backing plate, one side that the bed die is close to the pneumatic cylinder is provided with the mould, upward be provided with the slide bar between mould and the pneumatic cylinder, the equal fixed connection of piston rod of slide bar and last mould and pneumatic cylinder, the cover is equipped with the stop collar on the outer wall of slide bar. The utility model discloses a cooperation of last mould and bed die has realized the curved one shot forming of electric heating element Z shape, compares in the processing forming of buckling many times of tradition, has simplified operating procedure, has promoted machining efficiency, has reduced machining error.

Description

Bending tool special for Z-shaped bending of electric heating element

Technical Field

The utility model relates to a frock technical field of bending especially relates to a curved special frock of bending of electric heating element Z shape.

Background

The electric heating element is one of the core components of the electric heater, the function of the electric heating element is to convert electric energy into heat energy, and the electric heating element has the advantages of simple structure, stable performance and wide application range, common electric heating elements are mostly tubular structures made of metal materials, therefore, in order to adapt to different structures of various electric heaters, the electric heating elements can be processed into shapes convenient to arrange and install, the electric heating elements are processed into Z shapes to avoid the components most commonly, however, when the existing bending tool is used for carrying out Z-shaped bending processing on the electric heating elements, twice bending forming processing is needed, the hydraulic press is adopted for directly carrying out bending processing, wrinkles are easy to generate to cause poor quality of finished products, repeated bending processing not only has complex operation and low processing efficiency, but also the electric heating elements need to be clamped again in each bending forming processing, in the bending processing process, the bending degree needs to be judged manually, inaccurate or too big enough the meeting of the degree of buckling in clamping position leads to heating element unqualified even by the rupture, leads to the finished product qualification rate low, to above problem, can provide a novel electric heating element Z shape is bent special frock of bending, promotes the machining efficiency and the finished product quality of bending processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a curved special frock of bending of electric heating element Z shape has solved among the prior art curved problem that needs to form through the processing of bending many times of electric heating element Z shape.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

the utility model provides a curved special frock of bending of electric heating element Z shape, which comprises a work platform, the pneumatic cylinder is installed at work platform's top, one side of pneumatic cylinder is provided with backing plate and work platform fixed connection, the top fixedly connected with bed die of backing plate, one side that the bed die is close to the pneumatic cylinder is provided with the mould, it is provided with the slide bar to go up between mould and the pneumatic cylinder, the equal fixed connection of piston rod of slide bar and last mould and pneumatic cylinder, the cover is equipped with the stop collar on the outer wall of slide bar, stop collar and work platform fixed connection, stop collar and slide bar sliding connection.

Preferably, the through groove is formed in the slide rod, the limiting block is arranged in the through groove, the limiting block is elastically and slidably connected with the slide rod through the spring, the spring is located in the through groove, and the limiting block is fixedly connected with the limiting sleeve.

Preferably, the outer side of the backing plate is fixedly connected with two symmetrically distributed stop blocks, and the stop blocks are of L-shaped structures.

Preferably, a plurality of balls are movably embedded in the inner side surface walls of the two check blocks, and the outer walls of the balls are attached to the outer surface wall of the upper die.

Preferably, one side of backing plate is provided with the holder, the bottom of holder is provided with the slide, under the holder the first slider of fixedly connected with, the first spout with first slider matched with is seted up to the inside of slide, the holder is through the cooperation and the slide sliding connection of first slider with first spout, two second sliders that are the symmetric distribution of bottom fixedly connected with of slide, work platform's inside is seted up with second slider matched with second spout, the slide passes through the cooperation and the work platform sliding connection of second slider with second spout.

Preferably, the clamping part comprises a supporting sleeve, a plurality of movable columns which are uniformly distributed are arranged in the supporting sleeve, and all the movable columns are elastically and slidably connected with the supporting sleeve through springs and are sleeved on the outer wall of each movable column through springs.

The utility model discloses possess following beneficial effect at least:

through the cooperation between last mould and the bed die, can realize the one shot forming of the Z shape angle of bending, in the course of working, need not the secondary clamping and also need not the manual control degree of buckling, avoided the problem of the rejection rate increase that clamping error and manual operation error lead to, effectively promoted machining efficiency and finished product qualification rate.

The utility model discloses still possess following beneficial effect:

the dog can be in preventing that the mould from taking place the skew or upwarping in the removal process, and the one end of electric heating element can be fixed to the holder, can prevent that electric heating element from taking place the skew at extrusion's in-process, and the stability of course of working has been synthesized in the improvement above.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without any creative effort.

Fig. 1 is a schematic top view of the present invention;

FIG. 2 is a schematic view of a clamp;

fig. 3 is a schematic diagram of the upper mold, the lower mold, and the hydraulic cylinder.

In the figure: 1. a working platform; 2. a hydraulic cylinder; 3. a slide bar; 4. a limiting sleeve; 5. a stopper; 6. an upper die; 7. a lower die; 8. a base plate; 9. a ball bearing; 10. a clamping member; 11. a slide base; 12. a first chute; 13. a second chute; 14. a support sleeve; 15. a movable post; 16. a first slider; 17. a second slider; 18. and a limiting block.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in 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. 1-3, a bending tool special for Z-shaped bending of an electric heating element comprises a working platform 1, a hydraulic cylinder 2 is installed at the top of the working platform 1, a base plate 8 is arranged on one side of the hydraulic cylinder 2, the base plate 8 is fixedly connected with the working platform 1, a lower die 7 is fixedly connected to the top of the base plate 8, an upper die 6 is arranged on one side, close to the hydraulic cylinder 2, of the lower die 7, a sliding rod 3 is arranged between the upper die 6 and the hydraulic cylinder 2, the sliding rod 3 is fixedly connected with the upper die 6 and a piston rod of the hydraulic cylinder 2, a limiting sleeve 4 is sleeved on the outer wall of the sliding rod 3, the limiting sleeve 4 is fixedly connected with the working platform 1, and the limiting sleeve 4 is slidably connected with the sliding rod 3.

The scheme has the following working processes:

when the bending tool is used, firstly, an electric heating element is placed on the base plate 8 and is positioned in front of the upper die 6 and the lower die 7, then the hydraulic cylinder 2 is started, the hydraulic cylinder 2 drives the whole formed by connecting the sliding rod 3, the upper die 6 and the sliding rod 3 to move linearly to be close to the lower die 7, and in the process, the electric heating element is gradually formed under the extrusion of the upper die 6 and the lower die 7 to complete the bending processing.

According to the working process, the following steps are known:

this frock of bending has realized the curved one shot forming of electric heating element Z shape through mobilizable upper die 6 and the cooperation of the bed die 7 of fixed position, has replaced the traditional processing flow that needs twice clamping and suppression, has realized the effect that promotes machining efficiency and degree of accuracy.

Furthermore, a through groove is formed in the slide rod 3, a limiting block 18 is arranged in the through groove, the limiting block 18 is connected with the slide rod 3 in an elastic sliding mode through a spring, the spring is located in the through groove, the limiting block 18 is fixedly connected with the limiting sleeve 4, the spring can play a role in buffering and damping, and the situation that the electric heating element is damaged due to overlarge impact force can be avoided.

Further, two dog 5 that are the symmetric distribution of the outside fixedly connected with of backing plate 8, dog 5 are L shape structure, and dog 5 can play spacing effect to last mould 6, prevents to go up mould 6 skew or upwarp in the course of working, has further promoted the processing accuracy.

Furthermore, a plurality of balls 9 are movably embedded in the inner side surface walls of the two check blocks 5, the outer walls of the balls 9 are attached to the outer surface wall of the upper die 6, and abrasion of the upper die 6 can be reduced.

Further, a clamping member 10 is arranged on one side of the backing plate 8, a sliding seat 11 is arranged at the bottom of the clamping member 10, a first sliding block 16 is fixedly connected under the clamping member 10, a first sliding groove 12 matched with the first sliding block 16 is formed in the sliding seat 11, the clamping member 10 is in sliding connection with the sliding seat 11 through the matching of the first sliding block 16 and the first sliding groove 12, two second sliding blocks 17 which are symmetrically distributed are fixedly connected at the bottom of the sliding seat 11, a second sliding groove 13 matched with the second sliding block 17 is formed in the working platform 1, the sliding seat 11 is in sliding connection with the working platform 1 through the matching of the second sliding block 17 and the second sliding groove 13, in the processing process, the clamping piece 10 can flexibly move according to the bending degree of the electric heating element, and an operator can prevent the electric heating element from deviating in the heating process by matching and operating the other end of the electric heating element by holding.

Further, holder 10 is including supporting cover 14, supports and is provided with a plurality of in the cover 14 and is evenly distributed's movable post 15, and all movable posts 15 all through the spring with support 14 elastic sliding connection of cover and the spring housing establish on movable post 15's outer wall, holder 10 accessible movable post 15 flexible adaptation different shapes and the electric heating element of size, extensive applicability and operation convenience.

The foregoing shows and describes the general principles, essential features, and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the principles of the present invention may be applied to any other embodiment without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a curved special frock of bending of electric heating element Z shape, includes work platform (1), its characterized in that: pneumatic cylinder (2) are installed at the top of work platform (1), one side of pneumatic cylinder (2) is provided with backing plate (8) and work platform (1) fixed connection, top fixedly connected with bed die (7) of backing plate (8), one side that bed die (7) are close to pneumatic cylinder (2) is provided with mould (6), it is provided with slide bar (3) to go up between mould (6) and pneumatic cylinder (2), the equal fixed connection of piston rod of slide bar (3) and last mould (6) and pneumatic cylinder (2), the cover is equipped with stop collar (4) on the outer wall of slide bar (3), stop collar (4) and work platform (1) fixed connection, stop collar (4) and slide bar (3) sliding connection.

2. The special bending tool for Z-shaped bending of the electric heating element according to claim 1, characterized in that: the novel sliding rod is characterized in that a through groove is formed in the sliding rod (3), a limiting block (18) is arranged in the through groove, the limiting block (18) is elastically and slidably connected with the sliding rod (3) through a spring and located in the through groove, and the limiting block (18) is fixedly connected with the limiting sleeve (4).

3. The special bending tool for Z-shaped bending of the electric heating element according to claim 1, characterized in that: the outer side of the backing plate (8) is fixedly connected with two stop blocks (5) which are symmetrically distributed, and the stop blocks (5) are of L-shaped structures.

4. The special bending tool for Z-shaped bending of the electric heating element according to claim 3, characterized in that: a plurality of balls (9) are movably embedded in the inner side surface wall of the two check blocks (5), and the outer walls of the balls (9) are attached to the outer surface wall of the upper die (6).

5. The special bending tool for Z-shaped bending of the electric heating element according to claim 1, characterized in that: one side of backing plate (8) is provided with holder (10), the bottom of holder (10) is provided with slide (11), under holder (10) first slider (16) of fixedly connected with, first spout (12) with first slider (16) matched with are seted up to the inside of slide (11), holder (10) through the cooperation and slide (11) sliding connection of first slider (16) with first spout (12), two second sliders (17) that are the symmetric distribution of bottom fixedly connected with of slide (11), second spout (13) with second slider (17) matched with are seted up to the inside of work platform (1), slide (11) are through the cooperation and work platform (1) sliding connection of second slider (17) with second spout (13).

6. The special bending tool for Z-shaped bending of the electric heating element according to claim 5, wherein the bending tool comprises: the clamping piece (10) comprises a supporting sleeve (14), a plurality of movable columns (15) which are uniformly distributed are arranged in the supporting sleeve (14), and all the movable columns (15) are elastically and slidably connected with the supporting sleeve (14) through springs and sleeved on the outer wall of each movable column (15).