TWM508372U - Magnetic positioning structure for gripping pliers of tube expander - Google Patents

Description

Magnetic positioning structure of pipe clamp of pipe expander

The present invention is applied to the field of pipe expanders, and particularly refers to a pipe that is clamped and clamped in a pipe expander quickly and accurately by a magnet to facilitate the expansion of the pipe work, and to reduce the pipe expansion error or the pipe clamp damage. Improved structure.

Pipe expander is an indispensable tool for pipe laying. Its purpose is to expand the opening area of pipe fittings to facilitate quick connection with other pipe fittings. Therefore, the scope of application of the expander is very wide, and various projects, such as construction engineering, hydropower engineering and hydraulic engineering, etc., are indispensable for the existence of the expander.

Referring to Figures 5 and 6, the conventional expander structure mainly includes a expander body 1' and a pinch clamp 2'. In its use, the pipe clamp 2' is first opened, and then the pipe 3' to be expanded is placed in the pipette 2' appropriately sized pipe hole 21', and the pipe clamp is clamped. 2' closing completes the fixing of the pipe member 3'; then the pinching pliers 2' is placed in the receiving groove 11' below the body 1', so that the pipe member 3' is being reversed to the pipe expanding device 1' 13' below, then start the reversal 12' to expand the pipe 3'.

In order to maintain the quality of the pipe 3' after pipe expansion, how to ensure the position of the pipe 3' against the pin 13'? It is an important job. The original 3' alignment method of the pipe fittings relies on The author's visual inspection is completed, and then the pinch clamp 2' is fixed by operating the fastening device 12' on the side of the body 1' to perform the pipe expansion work. Since the visual method relies entirely on the artist's skill, an excellent applicant can naturally complete the expected expansion of the workpiece, but it is difficult for ordinary people to achieve precise goals. Even a skilled veteran may be unable to meet the requirements of the 3′ after the completion of the work due to the temporary distraction and distraction.

To this end, the pinch clamp 2' is provided with a positioning groove 22' at a position fixed to the fastening device 12', so that the fastening device 12' can be aligned with the positioning groove 22' to be precise. Positioning. However, the mechanical positioning method has too much error, even if the fastening device 12' is not aligned with the center of the positioning groove 22', the clamp can be clamped by the force applied. . Thus, when the ram 12' is activated, the expansion of the pipe 3' is made to be skewed and unusable, and in severe cases, the ram 13' is likely to be rubbed against the pincer 2' to cause wear.

It can be seen that there is still a problem in the conventional expander that needs to be solved, rather than a good design.

The creator of the case is missing according to the positioning structure of the clamp pipe clamp of the conventional pipe expander, that is, the improvement is carried out, and the research and innovation are actively carried out. Through long-term research and development, the magnetic positioning of the pipe clamp of the pipe expander can be completed. structure.

The main purpose of the present invention is to provide a magnetic positioning structure of a pipe clamp of a pipe expander, which accelerates the positioning of the pipe clamp by the positioning mode of the magnet, and improves the precision of the positioning, so that the pipe expansion work is effective, not only Improve work efficiency and increase the quality of the expansion work.

Another object of the present invention is to provide a magnetic setting of a pipe clamp of a pipe expander. The bit structure prevents the pincers from forcibly expanding the pipe in an unprecisely positioned state, reduces work errors, and eliminates accidents of pinch clamp damage.

The magnetic positioning structure of the pipe clamp of the pipe expander includes a accommodating groove under the body, and a clamping pipe clamp is disposed in the accommodating groove. An expansion hole is provided, the expansion hole is used for clamping a pipe member, and the body is provided with a fastening device on the side of the receiving groove, the fastening device is used for locking the clamp pipe clamp, and the body is provided with a hole Reversal, which is used to expand the pipe in the pipe clamp.

The pipe expansion hole of the pipe clamp is provided with a plurality of different sizes, each of the expansion holes is used for clamping the pipe of different sizes, and then placed in the receiving groove, and then locked by the fastening device. The pliers can be fixed in the body, and the tube is aligned with the center point of the working position of the punching machine, so that the punching can perfectly perform the pipe expanding work.

The main purpose of this creation is to improve the positioning method of the pipe clamp to ensure that the pipe expansion is fast and accurate, and the work quality is improved. The positioning magnet is disposed on the surface of the accommodating groove, and the adjusting magnet is disposed opposite to the surface of the nipper. When the clamping tong is inserted into the accommodating groove, the positioning magnet can be used to adsorb the adjusting magnet to determine the position. The clamp is then tightened with the fastening device to complete the positioning.

The positioning magnet and the adjusting magnet are made of a neodymium iron boron strong magnet, which has good magnetic strength and durability, and as long as the position accuracy is ensured in the production process, the positioning magnet can be used in the future when applied. The automatic adsorption of the adjusting magnet can be quickly and accurately completed, and then locked by the fastening device to complete the most accurate positioning request.

The positioning magnet only needs to be disposed on the surface of the receiving groove, and each of the expanding holes should be correspondingly provided with the adjusting magnet, so that each of the expanding holes is correctly positioned in the receiving groove. in. Further, the surface of the accommodating groove is provided with a plurality of the positioning magnets. Of course, the positioning magnets need to have a distance between them and do not interfere with each other, and a plurality of the expansion holes are provided in the clamping tongs. The adjustment magnet aligns a plurality of the adjustment magnets with the positioning magnet.

1, 1’‧‧‧ ontology

11, 11'‧‧‧ accommodating slots

12, 12'‧‧‧ fastening device

13, 13’‧‧ ‧ write-off

2, 2'‧‧‧ pincers

21, 21’‧‧‧Expanding holes

22’‧‧‧ positioning slot

3, 3'‧‧‧ pipe fittings

41‧‧‧ Positioning magnet

42‧‧‧Adjusting magnet

Fig. 1 is an exploded view showing the composition of the magnetic positioning structure of the pincers of the pipe expander; Fig. 2 is a schematic view showing the composition of the magnetic positioning structure of the pipe clamp of the pipe expander; The schematic diagram of the composition of the magnetic positioning structure of the pipe clamp of the pipe expander; FIG. 4 is a diagram showing the composition change of the magnetic positioning structure of the pipe clamp of the pipe expander; FIG. 5 is a compositional decomposition of the conventional pipe expander; FIG. 6 and FIG. 6 are diagrams showing the completion of the composition of the conventional expander.

Referring to FIG. 1 to FIG. 3 , the magnetic positioning structure of the pipe clamp of the pipe expander of the present invention includes a pipe expander body 1 , and a receiving groove 11 is disposed under the body 1 . A pinch clamp 2 is disposed in the accommodating groove 11, and the pinch clamp 2 is provided with a plurality of pipe expansion holes 21 of different sizes, each of the pipe expansion holes 21 for clamping the pipe members 3 of different sizes, and then placed The receiving groove 11 is in the middle.

The body 1 is provided with a fastening device 12 on the side of the accommodating groove 11. When the clamping tongs 2 are placed in the accommodating groove 11 for a suitable distance, the fastening device 12 is locked, and the clamping tube can be locked. The pliers 2 are fixed in the body 1.

The body 1 is further provided with a punch 13 as a pipe expanding operation. When the pinch clamp 2 is placed in the receiving groove 11, the pipe member 3 must be aligned with the center point of the working position of the punch 13 to make the punch The pin 13 is perfectly able to perform the pipe expansion work of the pipe member 3.

In order to ensure the precise implementation of the pipe expansion work, the body 1 is provided with a positioning magnet 41 on the surface of the receiving groove 11, and the surface of the pinching plier 2 is oppositely provided with an adjusting magnet 42 when the pinching clamp 2 is inserted. After the accommodating groove 11, the adjusting magnet 42 can be attracted by the positioning magnet 41 to determine the position, and then the clamping device 2 is locked by the fastening device 12 to complete the positioning.

Since the magnetic force of the magnet is constant for a long time, as long as the accuracy of the position is ensured during the production process, the positioning can be quickly and accurately performed by the automatic adsorption of the positioning magnet 41 and the adjusting magnet 42 at the time of application. Then, the fastening device 12 is used to lock. In this way, it can be ensured that the tube 3 can be perfectly expanded each time without being limited by the skill of the author.

The selection of the positioning magnet 41 and the adjustment magnet 42 is important, and it is necessary to balance the strength and duration of the magnetic force. At present, most of the strong magnets commonly used in the industry are neodymium iron boron strong magnets. When the positioning magnet 41 and the adjusting magnet 42 are made of a neodymium iron boron strong magnet, the effect of the present invention can be effectively expressed. Of course, there may be more suitable magnets in the future, and still do not deviate from the demands to be completed in this case.

In addition, generally, the positioning magnet 41 only needs to be disposed on the surface of the accommodating groove 11, and then the pincer tongs 2 are for a plurality of the plurality of expansion holes 21 of different sizes, and each of the expansion holes 21 should be correspondingly provided with the adjustment. The magnets 42 are such that each of the expansion holes 21 is correctly positioned in the accommodating groove 11. In actual application, since the distance between the adjusting magnets 42 is retained, only when the adjusting magnet 42 approaches the positioning magnet 41, suction occurs. Therefore, when the author pushes the pincers 2 into the receiving groove 11, I feel that I feel a hindrance when I push it in for a distance. It is indicated that the expanded hole 21 is aligned with the position of the punch 13. Then the author applies the force again, and the movement of the pincer 2 can be continued, and then the same feeling occurs, and the other of the expansion holes 21 is aligned with the position of the punch 13 . By repeating the action in this way, a positioning feeling like a snap can be generated, and the operation of the gripper can be quickly performed without learning.

Alternatively, as shown in FIG. 4, a plurality of the positioning magnets 41 are disposed on the surface of the accommodating groove 11, and of course, the positioning magnets 41 need to have a distance therebetween without interfering with each other, with respect to each of the clamping tongs 2 A plurality of the adjusting magnets 42 are disposed in the pipe expanding hole 21, so that the plurality of adjusting magnets 42 are arranged in the same manner as the positioning magnets 41. In this embodiment, two positioning positions are provided in each of the pipe expanding holes 21. The magnet 41 can increase the accuracy and stability of positioning by more adsorption of the positioning magnet 41 and the adjusting magnet 42.

The detailed description above is a detailed description of one of the possible embodiments of the present invention, and the embodiment is not intended to limit the scope of the patents, and the equivalent implementations or modifications that are not included in the spirit of the present invention should be included in The patent scope of this case.

1‧‧‧ Ontology

11‧‧‧ accommodating slots

12‧‧‧ fastening device

13‧‧‧reversal

2‧‧‧Pliers

21‧‧‧Expanding holes

3‧‧‧ Pipe fittings

41‧‧‧ Positioning magnet

42‧‧‧Adjusting magnet

Claims (4)

The magnetic positioning structure of the pipe clamp of the pipe expander comprises a body, the body has a receiving groove under the body, and a clamping pipe is disposed in the receiving groove, and the body is arranged tightly on the side of the receiving groove The fixing device fixes the pincers in the body, wherein the body is provided with a positioning magnet on a surface of the receiving groove, and an adjustment magnet is disposed on a surface of the clamping pliers, and the clamping tube is provided After the clamp is inserted into the accommodating groove, the positioning magnet can be attracted by the positioning magnet to determine the position, and then the clamping device is locked by the fastening device to complete the positioning. The magnetic positioning structure of the pipe clamp of the expander according to claim 1, wherein the pipe clamp is provided with a plurality of expansion holes of different sizes, and each of the expansion holes is correspondingly provided with the adjustment magnet, so that each A pipe expansion hole is correctly positioned in the accommodating groove. The magnetic positioning structure of the pipe clamp of the expander according to claim 2, wherein the surface of the receiving groove is provided with a plurality of the positioning magnets, and the positioning magnets are separated by a distance without mutual interference. Each of the expansion holes of the clamp pipe is provided with a plurality of the adjustment magnets, so that each of the expansion holes is attracted by a plurality of the positioning magnets and the adjustment magnet to generate positioning, thereby increasing positioning accuracy and stability. The magnetic positioning structure of the clamp of the expander according to claim 1, wherein the positioning magnet and the adjusting magnet are NdFeB magnets.