Magnetic type torsional spring mounting device

Abstract

The utility model relates to the technical field of torsion spring installation tools, in particular to a magnetic type torsion spring installation device which comprises a torsion spring wrench and a torsion spring base, a torsion spring installation through hole and strong magnetic installation holes are formed in the torsion spring wrench, the strong magnetic installation holes are formed in the two symmetrical sides of the torsion spring installation hole, and strong magnets are arranged in the strong magnetic installation holes. The torsion spring wrench is adsorbed on the torsion spring base through the strong magnet, and non-fixed fastening of the torsion spring wrench and the torsion spring base is achieved through ingenious application of the strong magnet structure; the torsion spring base is provided with a torsion spring butt joint hole matched with the torsion spring installation through hole, the torsion spring installation through hole and the torsion spring butt joint hole are in butt joint to form a containing cavity, the containing cavity is used for installing a torsion spring, and the torsion spring wrench and the clamping groove of the torsion spring base fix the extending end of the torsion spring; the torsional spring wrench is rotated to reversely expand the torsional spring, and after the torsional spring is expanded, the mandrel can be placed into the torsional spring from the upper end in one step; the torsion spring can also be directly placed in the containing cavity between the torsion spring base and the torsion spring wrench, and the assembling efficiency is effectively improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to torsion spring installation frock technical field especially relates to a magnetic torsion spring installation device. BACKGROUND

[0002] In the printer consumables industry, the paper separating wheel plays a role in ensuring that each piece of paper can accurately and correctly enter the working process of the equipment, and the key indicator affecting the paper separating wheel is torque: torque is mainly realized through torsion springs, so whether the torsion spring is installed in place directly affects the quality of the product;

[0003] During the torsion spring installation process of the paper separating wheel, the ordinary method is to hold the extension end of the torsion spring with a protective glove, rotate the mandrel and suspend it into the inner diameter of the torsion spring, and then install the torsion spring into place little by little; this operation method has the following disadvantages: laborious, seriously affecting the assembly efficiency; laborious, manual assembly can easily cause hand fatigue and even hand injury; quality cannot be guaranteed, the lubricating grease cannot lubricate the mandrel and the spring in the first time when the mandrel is suspended into the torsion spring by hand, causing abnormal noise and affecting the service life. The patent document with application number 202323332457.6 discloses a portable trunk torsion spring installation frock structure, which is also time-consuming and laborious to install, and cannot be directly used for installing the torsion spring of the paper separating wheel. SUMMARY

[0004] To solve the above technical problems existing in the prior art, the utility model provides a magnetic torsion spring installation device.

[0005] In order to achieve the above purpose, the utility model provides a magnetic torsion spring installation device, which comprises: a torsion spring wrench and a torsion spring base, the torsion spring wrench is provided with a torsion spring installation through hole and a strong magnetic installation hole, the strong magnetic installation hole is arranged on the two sides symmetrical to the torsion spring installation hole, a strong magnet is arranged in the strong magnetic installation hole, and the torsion spring wrench is adsorbed on the torsion spring base through the strong magnet; the torsion spring base is provided with a torsion spring butt joint hole matched with the torsion spring installation through hole, the torsion spring installation through hole and the torsion spring butt joint hole are butt jointed to form a containing cavity, and the containing cavity is used for installing the torsion spring. The non-fixed type fastening of the torsion spring wrench and the torsion spring base is realized through the ingenious use of the strong magnetic structure; the torsion spring butt joint hole matched with the torsion spring installation through hole is arranged on the torsion spring base, the torsion spring installation through hole and the torsion spring butt joint hole are butt jointed to form a containing cavity, and the containing cavity is used for installing the torsion spring, specifically, the clamping groove of the torsion spring wrench and the torsion spring base fixes the extension end of the torsion spring; the torsion spring wrench is rotated to reversely expand the torsion spring, and the expansion of the torsion spring can be stopped at will without the help of external force, the mandrel can be put into the inner part of the torsion spring from the upper end after the expansion of the torsion spring, and one step is completed; the torsion spring can also be directly placed in the containing cavity between the torsion spring base and the torsion spring wrench, without additional operation, which effectively improves the assembly efficiency, reduces the waste of labor, and improves the product quality by installing the torsion spring in place at one time.

[0006] As an optional embodiment, the first clamping groove and the second clamping groove are arranged on the side of the torsional spring mounting through hole and the side of the torsional spring butt joint hole respectively, the extending end of the torsional spring is clamped in the first clamping groove, and the other extending end of the torsional spring is clamped in the second clamping groove. By arranging the first clamping groove and the second clamping groove, the extending end of the torsional spring can move in the clamping groove when the torsional spring is expanded, so that the installation of the torsional spring and the mandrel is time-saving, labor-saving, efficient and accurate.

[0007] As an optional embodiment, the torsional spring base is in a square structure, and the torsional spring butt joint hole is arranged at the center of the torsional spring base. The torsional spring base is in a square structure, and the torsional spring butt joint hole is arranged at the center of the torsional spring base to maintain the stability of the device.

[0008] As an optional embodiment, the torsional spring base is in a square structure, and the torsional spring butt joint hole is arranged at the center of the torsional spring base. The torsional spring base is in a square structure, and the torsional spring butt joint hole is arranged at the center of the torsional spring base to maintain the stability of the device.

[0009] As an optional embodiment, the rear end of the torsional spring wrench has a handle, and a chamfer is arranged on the handle. The handle makes it easier to rotate the torsional spring wrench.

[0010] Compared with the prior art, the magnetic torsional spring installation device has the following advantages: the torsional spring wrench and the torsional spring base are arranged, the torsional spring mounting hole and the strong magnetic mounting hole are arranged on the torsional spring wrench, the strong magnetic mounting hole is arranged on the two sides of the torsional spring mounting hole, the strong magnet is arranged in the strong magnetic mounting hole, and the torsional spring wrench is adsorbed on the torsional spring base through the strong magnet. The non-fixed fastening of the torsional spring wrench and the torsional spring base is realized through the ingenious use of the strong magnetic structure. The torsional spring butt joint hole matched with the torsional spring mounting hole is arranged on the torsional spring base, the torsional spring mounting hole and the torsional spring butt joint hole are connected to form a containing cavity, the containing cavity is used for installing the torsional spring, and the clamping grooves of the torsional spring wrench and the torsional spring base fix the extending end of the torsional spring. The torsional spring wrench is rotated to reversely expand the torsional spring, and the torsional spring can be stopped at will without external assistance. After the torsional spring is expanded, the mandrel can be put into the torsional spring from the upper end, and the torsional spring can be directly placed in the containing cavity between the torsional spring base and the torsional spring wrench. No additional operation is needed, the assembly efficiency is improved, the labor waste is reduced, the product quality is improved, and the torsional spring can be installed in place at one time.

[0011] The working principle of the magnetic type torsional spring mounting device is that the torsional spring mounting through hole and the torsional spring butt joint hole are butted to form an accommodating cavity, the accommodating cavity is used for mounting the torsional spring, the extending end of the torsional spring is fixed through the first clamping groove and the second clamping groove, the torsional spring wrench and the torsional spring base are firmly magnetically attracted together through the symmetrical hole positions and the strong magnetic combination, the torsional spring is reversely expanded only by rotating the torsional spring wrench, the matching part mandrel is easily put into the inner diameter of the torsional spring, the torsional spring is mounted in place through the axial positioning, and the installation of the torsional spring and the mandrel is realized with time saving, labor saving, high efficiency and precision. BRIEF DESCRIPTION OF DRAWINGS

[0012] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced as follows. Obviously, the drawings in the following description are only some embodiments of the present application, and other drawings can be obtained according to the structures shown in the drawings without creative labor for those skilled in the art.

[0013] Fig. 1 The structural schematic view of the magnetic type torsional spring mounting device provided by the present application is shown in the figure.

[0014] Fig. 2 The bottom view structural schematic view of the torsional spring wrench provided by the present application is shown in the figure.

[0015] Fig. 3 The structural schematic view of the torsional spring base provided by the present application is shown in the figure.

[0016]

Explanation of reference signs

[0017] 1, torsional spring wrench; 11, torsional spring mounting through hole; 111, first clamping groove; 12, strong magnetic mounting hole; 2, torsional spring base; 21, torsional spring butt joint hole; 211, second clamping groove; 3, torsional spring; 31, extending end; 4, handle. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the present application will be described clearly and completely in combination with the drawings in the embodiments of the present application. Obviously, the described embodiments are only some embodiments of the present application, not all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the present application.

[0019] It should be noted that all directionality indications such as first, second, upper, lower, left, right, front, back, and the like in the embodiments of the present application are only used to explain the relative positional relationship and movement condition between components in a certain specific posture shown in the drawings, and if the specific posture changes, the directionality indications also change accordingly.

[0020] In addition, the technical solutions of various embodiments of the present application can be combined with each other, but must be based on the fact that a person skilled in the art can realize it, when the combination of technical solutions appears contradictory or unachievable, it should be considered that the combination of technical solutions does not exist, nor is it within the protection scope required by the present application.

[0021] The utility model provides a kind of magnetic attraction type torsion spring mounting device, as shown in Figs. 1-3 It includes: torsion spring wrench 1 and torsion spring base 2, the torsion spring wrench 1 is equipped with torsion spring installation through-hole 11 and strong magnetic mounting hole 12, the strong magnetic mounting hole 12 is equipped in the two sides of the symmetry of the torsion spring 3 mounting hole, the strong magnetic mounting hole 12 is equipped with strong magnet, and the torsion spring wrench 1 is attached to the torsion spring base 2 by the strong magnet;The torsion spring base 2 is equipped with the torsion spring butt joint hole 21 matched with the torsion spring installation through-hole 11, the torsion spring installation through-hole 11 is butt jointed with the torsion spring butt joint hole 21 to form containing cavity, and the containing cavity is used to install torsion spring 3.By the ingenious use of strong magnetic structure, the non-fixed fastening of torsion spring wrench 1 and torsion spring base 2 is realized;The torsion spring base 2 is equipped with the torsion spring butt joint hole 21 matched with the torsion spring installation through-hole 11, the torsion spring installation through-hole 11 is butt jointed with the torsion spring butt joint hole 21 to form containing cavity, and the containing cavity is used to install torsion spring 3, specifically, the clamping groove of torsion spring wrench 1 and torsion spring base 2 fixes the extension end 31 of torsion spring 3;Rotating torsion spring wrench 1 reverses the expansion of torsion spring 3, and it can be stopped at will without external assistance, the mandrel can be put into the interior of torsion spring 3 from the upper end after the expansion of torsion spring 3, and it is one step to the destination;Torsion spring 3 can also be directly placed in the containing cavity between torsion spring base 2 and torsion spring wrench 1, without additional operation, effectively improve the assembly efficiency, reduce the waste of labor, and improve the product quality by installing torsion spring 3 in place at one time.

[0022] The working principle of the magnetic attraction type torsion spring mounting device provided by the utility model is that the torsion spring installation through-hole 11 is butt jointed with the torsion spring butt joint hole 21 to form containing cavity, the containing cavity is used to install torsion spring 3, and the extension end 31 of torsion spring 3 is fixed by the first clamping groove 111 and the second clamping groove 211 respectively, and then the torsion spring wrench 1 and the torsion spring base 2 are firmly magnetically attracted together by the symmetrical hole position and the strong magnetic combination, so that the torsion spring 3 can be reversely expanded only by rotating the torsion spring wrench 1, the mandrel of the matching part is easily put into the inner diameter of the torsion spring 3, the torsion spring 3 is installed in place by axial positioning, time and labor are saved, and the installation of the torsion spring 3 and the mandrel is efficient and accurate.

[0023] Further, as shown in Fig. 2 and Fig. 3 As shown in the magnetic type torsion spring installation device, the side of the torsion spring installation through hole 11 is provided with a first clamping groove 111, the side of the torsion spring butt joint hole 21 is provided with a second clamping groove 211, the extending end 31 of the torsion spring 3 is clamped in the first clamping groove 111, and the other extending end 31 of the torsion spring 3 is clamped in the second clamping groove 211. The first clamping groove 111 and the second clamping groove 211 are arranged to enable the extending end 31 to move in the clamping groove when the torsion spring 3 is expanded, thereby realizing the installation of the torsion spring 3 and the mandrel in a time-saving, labor-saving, efficient and accurate manner.

[0024] In addition, the torsion spring base 2 has a square structure, and the torsion spring butt joint hole 21 is arranged at the center of the torsion spring base 2. The torsion spring base 2 has a square structure, and the torsion spring butt joint hole 21 is arranged at the center of the torsion spring base 2 to maintain the stability of the device.

[0025] Further, in the magnetic type torsion spring installation device, the periphery of the torsion spring base 2 is provided with a chamfer, so as to facilitate operation and protect the operator.

[0026] Further, in the magnetic type torsion spring installation device, the rear end of the torsion spring wrench 1 has a handle 4, and the handle 4 is provided with a chamfer. The handle 4 is arranged to make it easier to rotate the torsion spring wrench 1.

[0027] It should be understood that the above description of the specific embodiments of the present application is only for the purpose of illustrating the technical route and characteristics of the present application, and the purpose is to enable those skilled in the art to understand the content of the present application and to implement it, but the present application is not limited to the above specific implementation. Any changes or modifications made within the scope of the claims of the present application should be covered within the protection scope of the present application.

Claims

1. A magnetic torsion spring mounting device, characterized by, The utility model provides a torsion spring wrench (1) and a torsion spring base (2), the torsion spring wrench (1) is equipped with torsion spring installation through -hole (11) and strong magnetic installation hole (12), strong magnetic installation hole (12) is equipped on both sides of torsion spring (3) installation hole symmetry, strong magnetic installation hole (12) is equipped with strong magnet, and the torsion spring wrench (1) is adsorbed on the torsion spring base (2) through strong magnet, the torsion spring base (2) is equipped with the torsion spring butt joint hole (21) of matching with torsion spring installation through -hole (11), and torsion spring installation through -hole (11) is docked with the torsion spring butt joint hole (21) to form the accommodation cavity for installing torsion spring (3).

2. The magnetic torsion spring mounting device of claim 1, wherein The side of the torsion spring installation through -hole (11) is equipped with the first clamping slot (111), the side of the torsion spring butt joint hole (21) is equipped with the second clamping slot (211), the extension end (31) of the torsion spring (3) is clamped in the first clamping slot (111), and the other extension end (31) of the torsion spring (3) is clamped in the second clamping slot (211).

3. The magnetic torsion spring mounting device of claim 1, wherein, The torsion spring base (2) is square structure, and the torsion spring butt joint hole (21) is arranged at the center of the torsion spring base (2).

4. The magnetic torsion spring mounting device of claim 1, wherein, The torsion spring base (2) is equipped with chamfer around.

5. The magnetic torsion spring mounting device of claim 1, wherein, The rear end of the torsion spring wrench (1) has a handle (4), and the handle (4) is provided with a chamfer.

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