CN108043902A - A kind of mold for stable fiber stainless steel sleeve pipe welding quality - Google Patents

Abstract

The invention discloses a mold for stabilizing the welding quality of an optical fiber stainless steel sleeve. The fastening bolt goes deep into the inside of the connecting groove; an open groove is arranged on the outside of the cylinder, and slide rail grooves are arranged on both sides of the open groove, and a blocking device is slidably installed inside the slide rail groove, and the blocking device passes through The extension spring is connected with one end of the opening slot, and the other end of the opening slot is provided with a limiting block. The beneficial effect lies in: using the elasticity of the tension spring itself, and cooperating with the lifting stop rod to apply resistance to the curled steel strip, thereby adjusting the size of the gap, ensuring that the size of the gap is uniform, thereby ensuring the quality of the weld seam; The splicing installation between them can be freely combined according to the length of the casing, which can meet the production of casings of different lengths.

Description

A mold for stabilizing the welding quality of optical fiber stainless steel casing

technical field

The invention relates to the technical field of production auxiliary devices for optical fiber stainless steel sleeves, in particular to a mold for stabilizing the welding quality of optical fiber stainless steel sleeves.

Background technique

The existing optical fiber stainless steel casing involving optical fiber composite overhead phase wire or optical fiber composite overhead ground wire is formed by curling a steel strip through forming rollers into a tube, and then fusing the longitudinal seams by laser welding.

The applicant found that there are at least the following technical problems in the prior art: after the steel strip is crimped and formed, there are large gaps, and the gaps are of different sizes, and the weld quality is likely to be unstable after welding.

Contents of the invention

The object of the present invention is to provide a mold for stabilizing the welding quality of optical fiber stainless steel casing in order to solve the above problems, so as to solve the problem that in the prior art, after the steel strip is curled and formed, there is a large gap, and the gap size is different. After welding, it is easy to cause technical problems such as unstable weld quality. Among the many technical solutions provided by the present invention, the preferred technical solution can adjust the curled and formed steel strip, so as to ensure the uniform size of the gap, thereby ensuring the quality of the weld seam, and at the same time, the device can be freely combined according to the length of the casing to adapt to casings of different lengths The production and other technical effects are detailed below.

To achieve the above object, the present invention provides the following technical solutions:

A mold for stabilizing the welding quality of an optical fiber stainless steel casing provided by the present invention includes a cylinder, the two ends of the cylinder are respectively provided with a connecting ring and a connecting groove, one end of the cylinder is equipped with a fastening bolt, and the The fastening bolt goes deep into the connecting groove;

An opening groove is arranged on the outside of the cylinder, and slide rail grooves are arranged on both sides of the opening groove, and a blocking device is slidably installed inside the slide rail groove, and the blocking device is connected to one end of the opening groove through a tension spring. The other end of the opening slot is provided with a limit block;

The blocking device includes a sliding cylinder, and a lifting blocking rod is slidably installed inside the sliding cylinder, and the lifting blocking rod is connected to the end of the sliding cylinder through a lifting spring; the lifting blocking rod goes deep into the inside of the cylinder, Lifting blocks are arranged on both sides of the lifting blocking rod.

Using the above-mentioned mold for stabilizing the welding quality of the optical fiber stainless steel sleeve, there are four opening slots and four blocking devices in this implementation case, and they are symmetrically distributed. The devices are located between the forming roller and the welding machine. The combination of the connecting ring and the connecting groove can realize the combined connection between the devices, and the free combination can be carried out according to the length of the produced stainless steel sleeve, which can meet the production requirements of stainless steel sleeves of different lengths, thus expanding the scope of application of the device; After the steel strip is curled and formed by the forming roller, it enters the interior of the cylinder, contacts with the lifting blocking rod, and is driven by the forming roller to overcome the elasticity of the extension spring and move inside the cylinder. The cooperation between the lift stop rod and the tension spring can adjust the size of the gap between the crimped and formed steel strips to make the gap consistent, which helps to improve the quality of the weld seam. As the crimped and formed steel strip moves, when the sliding cylinder moves When reaching a certain position, the lifting block is in contact with the limiting block, and since both the lifting block and the surface of the limiting block adopt an inclined structure, the lifting block gradually rises along the surface of the limiting block , thereby overcoming the elastic force of the lifting spring, driving the lifting blocking rod to rise inside the sliding cylinder, so that the lifting blocking rod is separated from the end of the steel belt, thereby completing the adjustment of the gap.

Preferably, the cylinder is made of tungsten steel.

Preferably, the outer diameter of the connecting ring is equal to the inner diameter of the connecting groove, and a transition fit is adopted.

Preferably, the opening slots have an even number and are distributed symmetrically, and the blocking device corresponds to the opening slots.

Preferably, the installation position of the tension spring is located in the middle of the sliding cylinder.

Preferably, sliding blocks are installed on both sides of the sliding cylinder, the sliding blocks are located inside the sliding rail groove, the outer dimensions of the sliding blocks are equal to the inner dimensions of the sliding rail groove, and adopt a sliding fit.

Preferably, the surfaces of the limiting block and the lifting block both adopt inclined structures, and the inclination angle of the surface of the limiting block is equal to the inclination angle of the surface of the lifting block.

The beneficial effects are as follows: 1. Utilize the elasticity of the tension spring itself, cooperate with the lifting stop rod to apply resistance to the curled and formed steel strip, thereby adjusting the size of the gap, ensuring the uniform size of the gap, and thus ensuring the quality of the weld;

2. The splicing and installation between the devices can be realized through the connecting ring and the connecting groove, and the free combination can be carried out according to the length of the casing, which can meet the production of casings of different lengths.

Description of drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present invention or the prior art, the following will briefly introduce the drawings that need to be used in the description of the embodiments or the prior art. Obviously, the accompanying drawings in the following description are only These are some embodiments of the present invention. Those skilled in the art can also obtain other drawings based on these drawings without creative work.

Fig. 1 is the three-dimensional structure schematic diagram of the present invention;

Fig. 2 is a schematic diagram of the internal structure of the present invention;

Fig. 3 is the enlarged schematic view of the blocking device structure of the present invention;

Fig. 4 is a partially enlarged schematic view of the present invention.

The reference signs are explained as follows:

1. Cylinder body; 2. Connecting ring; 3. Open slot; 4. Blocking device; 401. Sliding cylinder; 402. Lifting spring; 403. Lifting blocking rod; 404. Lifting block; 405. Slide block; 5. Fastening Bolt; 6, connecting groove; 7, extension spring; 8, slide rail groove; 9, limit block.

Detailed ways

In order to make the purpose, technical solution and advantages of the present invention clearer, the technical solution of the present invention will be described in detail below. Apparently, the described embodiments are only some of the embodiments of the present invention, but not all of them. Based on the embodiments of the present invention, all other implementations obtained by persons of ordinary skill in the art without making creative efforts fall within the protection scope of the present invention.

Referring to Figures 1-4, the present invention provides a mold for stabilizing the welding quality of an optical fiber stainless steel casing, including a cylinder body 1, a connecting ring 2 and a connecting groove 6 are respectively arranged at both ends of the cylinder body 1, and the cylinder body 1. A fastening bolt 5 is installed at one end, and the fastening bolt 5 goes deep into the inside of the connecting groove 6. The combined connection of the device can be realized through the cooperation of the connecting ring 2 and the connecting groove 6, and the stability of the connection between the devices can be ensured by the fastening bolt 5. sex;

An opening groove 3 is provided on the outside of the cylinder body 1, and slide rail grooves 8 are provided on both sides of the opening groove 3. Through the opening groove 3 and the slide rail groove 8, the movement of the blocking device 4 is facilitated, and the blocking device 4 is slidably installed inside the slide rail groove 8. , the blocking device 4 is connected to one end of the opening groove 3 through the extension spring 7, the adjustment of the steel strip gap can be realized through the blocking device 4 and the extension spring 7, and the other end of the opening groove 3 is provided with a limit block 9;

The blocking device 4 includes a sliding cylinder 401, and the inside of the sliding cylinder 401 is slidably provided with a lifting blocking rod 403, and the lifting blocking rod 403 is connected with the end of the sliding cylinder 401 through a lifting spring 402; Lifting blocks 404 are arranged on both sides of 403 .

As an optional embodiment, the barrel 1 is made of tungsten steel, which has high hardness and wear resistance, which helps to improve the service life of the device;

The outer diameter of the connecting ring 2 is equal to the inner diameter of the connecting groove 6, and a transition fit is adopted to ensure the stability of the connection between the devices;

The opening slots 3 have an even number and are symmetrically distributed. The blocking device 4 corresponds to the opening slots 3, which can ensure the blocking effect of the blocking device 4 on the steel strip, ensure uniform force, and ensure the effect of adjusting the gap between the steel strips;

The installation position of the tension spring 7 is located in the middle of the sliding cylinder 401, which can ensure that the sliding cylinder 401 is evenly stressed and facilitate the sliding of the sliding cylinder 401 inside the opening groove 3;

Sliding blocks 405 are installed on both sides of the sliding cylinder 401, and the sliding blocks 405 are located inside the slide rail groove 8. The external dimensions of the sliding block 405 are equal to the internal dimensions of the sliding rail groove 8, and adopt sliding fit. The opening slot 3 slides inside;

The surfaces of the limiting block 9 and the lifting block 404 all adopt an inclined structure, and the inclination angle of the limiting block 9 surface is equal to the inclination angle of the lifting block 404 surface, and the lifting block 404 can be driven by the cooperation of the lifting block 404 and the limiting block 9. The lifting blocking rod 403 rises, so that the lifting blocking rod 403 is separated from the steel belt, thereby completing the adjustment of the gap.

With the above-mentioned structure, there are four opening grooves 3 and four blocking devices 4 in this embodiment, and they are symmetrically distributed. The devices are located between the forming roller and the welding machine, and the combination of the devices can be realized through the cooperation of the connecting ring 2 and the connecting groove 6. The connection is freely combined according to the length of the produced stainless steel casing, which can meet the production requirements of stainless steel casing of different lengths, thereby expanding the scope of application of the device; The lifting blocking rod 403 is in contact with each other, and driven by the forming roller, it overcomes the elasticity of the extension spring 7 and moves inside the cylinder 1. The lifting blocking rod 403 and the extension spring 7 cooperate to adjust the gap between the curled and formed steel strips. Make the gap consistent, which helps to improve the quality of the weld. With the movement of the crimped steel strip, when the sliding cylinder 401 moves to a certain position, the lifting block 404 is in contact with the limit block 9, because the lifting block 404 and the limit block 9 surfaces all adopt an inclined structure, and the lifting block 404 gradually rises along the surface of the limiting block 9, thereby overcoming the elastic force of the lifting spring 402, driving the lifting blocking rod 403 to rise inside the sliding cylinder 401, so that the lifting blocking rod 403 and the end of the steel belt Disengage to complete the adjustment of the gap.

The above is only a specific embodiment of the present invention, but the scope of protection of the present invention is not limited thereto. Anyone skilled in the art can easily think of changes or substitutions within the technical scope disclosed in the present invention. Should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention should be determined by the protection scope of the claims.

Claims (7)

1. a kind of mold for stable fiber stainless steel sleeve pipe welding quality, including cylinder (1), it is characterised in that：The cylinder Body (1) both ends are respectively arranged with connection ring (2), link slot (6), and described cylinder (1) one end is equipped with fastening bolt (5), and institute It states fastening bolt (5) and gos deep into the link slot (6) inside；

Open slot (3) is provided on the outside of the cylinder (1), open slot (3) both sides are provided with sliding-rail groove (8), the slide Slot (8) internal slide is equipped with retention device (4), and the retention device (4) passes through tension spring (7) and the open slot (3) one end It is connected, open slot (3) other end is provided with limited block (9)；

The retention device (4) includes sliding cylinder (401), and sliding cylinder (401) internal slide is equipped with lifting countercheck rod (403), the lifting countercheck rod (403) is connected by lifting spring (402) with the sliding cylinder (401) end；The liter Drop countercheck rod (403) gos deep into the cylinder (1) inside, and described lifting countercheck rod (403) both sides are provided with elevator (404).

2. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute Cylinder (1) is stated to be made of wolfram steel.

3. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute It is equal with the internal diameter size of the link slot (6) to state the outer diameter of connection ring (2), and is coordinated using transition.

4. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute Open slot (3) is stated with even number, and use is symmetrical, the retention device (4) is corresponding with the open slot (3).

5. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute The installation site for stating tension spring (7) is located at the middle part of the sliding cylinder (401).

6. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute It states sliding cylinder (401) both sides and sliding shoe (405) is installed, the sliding shoe (405) is located at the sliding-rail groove (8) inside, described The external dimensions of sliding shoe (405) is equal with the inside dimension of the sliding-rail groove (8), and uses and be slidably matched.

7. a kind of mold for stable fiber stainless steel sleeve pipe welding quality according to claim 1, it is characterised in that：Institute The surface for stating limited block (9) and the elevator (404) uses incline structure, and the inclination angle on the limited block (9) surface Degree is equal with the angle of inclination on the elevator (404) surface.