A roller device and a method for dismounting the same

Abstract

The application relates to the technical field of wire cutting machines, and provides a roller device convenient to disassemble and assemble and a disassembling and assembling method. The roller device comprises a roller, assembling parts arranged at two ends of the roller, a threaded section outwardly extended from the assembling parts, a resisting groove hole formed at one end of the threaded section away from the roller, a top-tightening assembly connected to each assembling part, a top-tightening assembly comprising an assembling body and a resisting body rotatably arranged on the assembling body, a resisting plug arranged in the resisting groove hole, a nut rotatably arranged outside the resisting plug, and a driving mechanism connected to the resisting body of any one top-tightening assembly. The assembling body of the top-tightening assembly away from the driving mechanism is connected to a supporting frame through a loose structure. The application has the advantages that the roller can be disassembled and assembled only during replacement, the driving mechanism does not need to be disassembled, the whole replacement process is simpler and more convenient, and the replacement efficiency of the roller can be improved.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of wire cutting machines, in particular to a roller device convenient to disassemble and a disassembly method. BACKGROUND

[0002] Stone is widely used in construction, in order to realize the whole stone into a board, need to cut stone cutting tools. Wire cutting machine is popular because of its small cutting seam, with the continuous progress of science and technology, wire cutting machine has been applied to the cutting of stone.

[0003] The wire cutting machine mainly consists of a support and a cutting unit, wherein the cutting unit is provided with four roller rollers. For example, a four-column four-wheel jacking type stone slab multi-wire cutting machine is disclosed in Chinese patent application No. CN202210406677.X. In actual use, the cutting wire will damage the roller roller, and the roller roller needs to be disassembled and replaced after a period of use. When disassembling and replacing the roller roller, the existing multi-wire cutting machine usually needs to disassemble the driving device together with the roller roller, which makes the whole disassembly and replacement process more inconvenient and low in efficiency. SUMMARY

[0004] The technical problem to be solved by the present application is to provide a roller device convenient to disassemble and a disassembly method, which solves the problem that the existing technology needs to disassemble the driving device together with the roller roller when disassembling the roller roller, resulting in inconvenient disassembly and replacement process and low efficiency.

[0005] The present application is implemented as follows:

[0006] In a first aspect, a roller device convenient to disassemble comprises:

[0007] Roller roller;

[0008] Assembly part, both ends of the roller roller are provided with assembly parts; the assembly part is provided with a threaded segment extending outward along the axis direction, and the threaded segment is formed with a abutting groove hole at one end away from the roller roller;

[0009] Tightening assembly, each assembly part is connected with a tightening assembly; the tightening assembly comprises an assembly body and an abutting body rotatably arranged on the assembly body, the abutting body is provided with an abutting plug inserted into the abutting groove hole at one end close to the assembly part, the abutting plug is rotatably provided with a nut part outside, and the nut part is threadedly connected with the threaded segment;

[0010] Driving mechanism, the driving mechanism is connected with the abutting body of any one of the tightening assemblies;

[0011] Support frame, the assembly body of the tightening assembly away from the driving mechanism is connected with the support frame through a tension structure.

[0012] Further, the abutting groove is a tapered groove gradually reduced from outside to inside, and the abutting plug is a tapered plug matched with the tapered groove.

[0013] Further, the nut member comprises a main nut rotationally arranged on the abutting body and an auxiliary nut threadedly connected with the threaded segment.

[0014] Further, the abutting plug and the end face of the assembly body form a first limiting groove, and the main nut forms a first limiting convex ring at an end close to the assembly body and inwardly along the radial direction, and the first limiting convex ring is rotationally arranged in the first limiting groove.

[0015] The assembly body is annularly provided with at least one second limiting groove at an end face facing the main nut, and the main nut is provided with at least one second limiting convex ring at an end face facing the assembly body, and the second limiting convex ring is rotationally arranged in the second limiting groove.

[0016] Further, the abutting plug is provided with a third limiting convex ring at an end close to the assembly body, and the outer diameter of the third limiting convex ring is greater than the hole diameter of the abutting groove.

[0017] Further, the assembly body comprises an assembly cylinder and sealing end plates sealingly arranged at two ends of the assembly cylinder, and the sealing end plates are lockingly connected with the assembly cylinder through a plurality of first locking members; the abutting body has a transmission shaft body extending into the assembly cylinder or penetrating through the assembly body, and the transmission shaft body is rotationally connected with the assembly cylinder through a plurality of bearings.

[0018] Further, the assembly bodies of the two abutting assemblies are connected with the support frame through a loose structure, the loose structure comprises a clamp seat fixed on the support frame and a clamping member matched with the clamp seat, the clamping member clamps the assembly body on the clamp seat through a plurality of second locking members; the assembly body has a cylindrical structure, and the clamp seat and the support frame are integrally formed.

[0019] Further, the assembly member comprises an assembly disc, the assembly disc is integrally formed with a positioning convex part at an end facing the roller along the axial direction, the end of the roller is provided with a positioning hole, and the positioning convex part is inserted into the positioning hole; the assembly disc is locked with the end of the roller through a plurality of third locking members, and the threaded segment is integrally formed at an end of the assembly disc away from the roller.

[0020] Further, the roller comprises a support shaft body and a working layer wrapped outside the support shaft body; the outer diameter of the assembly disc is equal to the outer diameter of the support shaft body.

[0021] In a second aspect, a disassembling method of a roller device convenient to disassemble, the disassembling method comprises the following steps:

[0022] First installation, the two ends of the roller are installed with assembly parts, the two end plugs of the two tightening assemblies are respectively inserted into the corresponding assembly part, and the nut parts of the two tightening assemblies are screwed together with the threaded segments of the assembly parts; the driving mechanism is connected with the abutting body of one of the tightening assemblies, and the assembly body of the tightening assembly is installed on the support frame through the loose structure;

[0023] When disassembling, the loose structure away from the driving mechanism is loosened, the nut part away from the driving mechanism is rotated to separate the end plug and the nut part of the tightening assembly from the threaded segment and the abutting groove of the assembly part; the nut part close to the driving mechanism is rotated to separate the end plug and the nut part of the tightening assembly from the threaded segment and the abutting groove of the assembly part, so that the roller can be disassembled from the support frame;

[0024] When reassembling, the roller is hoisted onto the support frame, the end plugs of the two tightening assemblies are inserted into the corresponding abutting grooves of the assembly parts, and the nut parts of the two tightening assemblies are screwed together with the threaded segments of the corresponding assembly parts, and the assembly body of the tightening assembly is locked together with the support frame through the loose structure away from the driving mechanism.

[0025] By adopting the technical scheme of the present application, at least the following beneficial effects are achieved: during disassembly and replacement, only the roller needs to be disassembled and replaced, without the need to disassemble the driving mechanism and the two tightening assemblies together, the entire disassembly and replacement process is simpler and more convenient, and the disassembly and replacement efficiency of the roller can be improved. BRIEF DESCRIPTION OF DRAWINGS

[0026] The present application will be further described below with reference to the accompanying drawings and embodiments.

[0027] Figure 1 is the overall structure diagram of the roller device convenient to disassemble and assemble of the present application;

[0028] Figure 2 is the assembly diagram of the roller, the assembly part, the tightening assembly, the nut part and the driving mechanism in the present application;

[0029] Figure 3 is Figure 2 is the cross-sectional view after removing the working layer;

[0030] Figure 4 is the cross-sectional view of the roller and the assembly part in the present application;

[0031] Figure 5 is the cross-sectional view of the tightening assembly in the present application;

[0032] Figure 6 is the three-dimensional structure diagram of the assembly part in the present application;

[0033] Figure 7 is one of the perspective structural diagrams of the main nut in the application;

[0034] Figure 8 is the second perspective structural diagram of the main nut in the application.

[0035] Explanation of reference signs:

[0036] Roller device 100;

[0037] Roller 1, positioning hole 11, support shaft body 12, working layer 13;

[0038] Assembly part 2, threaded section 21, abutting groove hole 22, assembly disc body 23, positioning convex part 231, third locking part 24;

[0039] Tightening assembly 3, assembly main body 31, second limiting groove 311, assembly cylinder body 312, sealing end plate 313, first locking part 314, abutting main body 32, abutting plug 321, transmission shaft body 322, third limiting convex ring 3211, first limiting groove 33, bearing 34;

[0040] Nut part 4, main nut 41, first limiting convex ring 411, second limiting convex ring 412, auxiliary nut 42;

[0041] Driving mechanism 5;

[0042] Support frame 6;

[0043] Loose and tight structure 7, hoop seat 71, hoop tightening part 72. DETAILED DESCRIPTION

[0044] In order to better understand the technical solutions of the application, the technical solutions of the application will be described in detail below in combination with the drawings of the specification and specific embodiments.

[0045] It should be noted that the terms "center", "longitudinal", "transverse", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing these embodiments and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation. In addition, the terms "first", "second" and the like are only for descriptive purposes and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features defined as "first", "second" and the like can explicitly or implicitly include one or more of the features. Example one

[0046] See also Figures 1 to 8 As shown, the present invention provides a roller device 100 that is easy to assemble and disassemble, and the roller device 100 includes:

[0047] Roller roller 1, when in use, is used to wind the cutting wire and drive the cutting wire to move to achieve the cutting function;

[0048] An assembly part 2 is provided at both ends of the roller 1; the assembly part 2 is provided with a threaded section 21 extending outwardly along the axial direction, and a supporting slot 22 is formed at the end of the threaded section 21 away from the roller 1;

[0049] When the cam 31 is in the unlock position, the cam 32 is in the unlock position, and the cam 32 is in the unlock position, so that the cam 32 is unlocked and the cam 32 is unlocked.

[0050] A driving mechanism 5, wherein the driving mechanism 5 is connected to the abutting body 32 of any one of the tightening components 3, so as to drive the abutting body 32 to rotate, thereby driving the assembly 2 and the roller 1 to rotate together through the abutting body 32, and the driving mechanism 5 is specifically a driving motor;

[0051] The support frame 6 is used to support the roller 1. The assembly body 31 of the clamping component 3 at one end away from the driving mechanism 5 is connected to the support frame 6 through a loosening structure 7. During use, it is only necessary to loosen the loosening structure 7 to operate the nut part 4 to disassemble and separate the clamping component 3 and the assembly part 2.

[0052] The application sets the assembly 2 with the threaded section 21 and the abutting groove hole 22 at both ends of the roller 1, and each assembly 2 is detachably connected with the tightening assembly 3, and the tightening assembly 3 is designed to include the assembly body 31 and the abutting body 32 rotatably arranged on the assembly body 31, the abutting plug 321 for inserting into the abutting groove hole 22 is arranged at one end of the abutting body 32, the nut part 4 is rotatably arranged outside the abutting plug 321, the driving mechanism 5 is connected with the abutting body 32 of one of the tightening assemblies 3, and the assembly body 31 away from the driving mechanism 5 is connected with the support frame 6 through the elastic structure 7.

[0053] In the application, in order to improve the stability of the assembly 2 and the tightening assembly 3 after assembly, the abutting groove hole 22 is a tapered groove hole gradually reduced from outside to inside, and the abutting plug 321 is a tapered plug matched with the tapered groove hole.

[0054] In the application, as Figure 3As shown, the nut member 4 comprises a main nut 41 rotatably arranged on the abutting body 32 and an auxiliary nut 42 threadedly connected on the threaded section 21. By rotatably arranging the main nut 41 on the abutting body 32, the assembling member 2 and the tightening assembly 3 can be more reliably connected together after assembly, and by threadedly arranging the auxiliary nut 42 on the threaded section 21, the main nut 41 can be abutted and tightened by the auxiliary nut 42 after the main nut 41 and the threaded section 21 are abutted and tightened together, so as to improve the assembling stability. Of course, the auxiliary nut 42 can also not be arranged in the specific implementation of the present application.

[0055] In the present application, the abutting plug 321 and the end face of the assembling body 31 form a first limiting groove 33, the main nut 41 is formed with a first limiting convex ring 411 inward along the radial direction at one end close to the assembling body 31, and the first limiting convex ring 411 is rotatably arranged in the first limiting groove 33. Through the structural design of the first limiting convex ring 411 and the first limiting groove 33, on the one hand, the main nut 41 can be limited so as not to be separated from the abutting plug 321, and on the other hand, the abutting plug 321 can be abutted and tightened in the abutting groove hole 22 by the first limiting convex ring 411 after the main nut 41 and the threaded section 21 are abutted and tightened, so that the abutting plug 321 can be tightly assembled with the threaded section 21, thereby ensuring the use stability.

[0056] The assembling body 31 is annularly provided with at least one second limiting groove 311 at the end face of one end facing the main nut 41, the main nut 41 is formed with at least one second limiting convex ring 412 at the end face of one end facing the assembling body 31, and the second limiting convex ring 412 is rotatably arranged in the second limiting groove 311. Through the structural design of the second limiting convex ring 412 and the second limiting groove 311, the main nut 41 can be further limited.

[0057] In the present application, the abutting plug 321 is formed with a third limiting convex ring 3211 at one end close to the assembling body 31, and the outer diameter of the third limiting convex ring 3211 is greater than the hole diameter of the abutting groove hole 22, so as to ensure that the abutting plug 321 can reliably abut and tighten the threaded section 21.

[0058] In the present application, as shown in FIG. 1, Figure 5As shown, the assembly body 31 comprises an assembly cylinder 312 and sealing end plates 313 blocked at both ends of the assembly cylinder 312, the sealing end plates 313 are locked and connected with the assembly cylinder 312 through a plurality of first locking members 314, specifically, bolts can be used to lock the sealing end plates 313 and the assembly cylinder 312 together; the abutting body 32 has a transmission shaft body 322 extending into the assembly cylinder 312 or penetrating through the assembly body 31, in the specific implementation of the present application, when the abutting body 32 needs to be connected with the driving mechanism 5, the transmission shaft body 322 penetrates through the assembly body 31, and when the abutting body 32 is not connected with the driving mechanism 5, the transmission shaft body 322 is inserted into the assembly cylinder 312; the transmission shaft body 322 is rotationally connected with the assembly cylinder 312 through a plurality of bearings 34, so that the transmission shaft body 322 can rotate relative to the assembly cylinder 312 under the driving of the driving mechanism 5.

[0059] The present application designs the assembly body 31 to comprise the assembly cylinder 312 and the sealing end plates 313 which can be detachably blocked at both ends of the assembly cylinder 312, and the transmission shaft body 322 of the abutting body 32 is rotationally connected with the assembly cylinder 312 through the bearings 34; so that in the specific use process, on the one hand, the assembly cylinder 312 can be used to install the roller 1 on the support frame 6, and the roller 1 can rotate under the driving of the driving mechanism 5; on the other hand, the transmission shaft body 322 and the bearings 34 can be conveniently installed into the assembly cylinder 312, and the sealing end plates 313 can protect the internal structure.

[0060] In the present application, the assembly bodies 31 of the two abutting assemblies 3 are connected with the support frame 6 through the loose structure 7. The loose structure 7 comprises a hoop seat 71 fixed on the support frame 6 and a clamping member 72 matched with the hoop seat 71, the clamping member 72 clamps the assembly body 31 on the hoop seat 71 through a plurality of second locking members (not shown), specifically, bolts can be used to lock and connect the clamping member 72 and the hoop seat 71 together, and the hoop seat 71 and the clamping member 72 are matched to tightly hold the assembly cylinder 312 of the assembly body 31, so that the assembly cylinder 312 cannot rotate; the assembly body 31 has a cylindrical structure, so that the hoop seat 71 and the clamping member 72 can more stably clamp the assembly cylinder 312 of the assembly body 31; the hoop seat 71 is integrally formed with the support frame 6, so as to ensure the support strength of the hoop seat 71.

[0061] The present application designs the loose structure 7 to comprise the hoop seat 71 fixed on the support frame 6 and the clamping member 72 matched with the hoop seat 71, so that in the specific use process, the assembly cylinder 312 of the assembly body 31 can be reliably clamped by the cooperation of the hoop seat 71 and the clamping member 72, so as to reliably install the roller 1 on the support frame 6; and the clamping member 72 can be conveniently loosened, so as to conveniently disassemble and replace the roller 1.

[0062] In the application, the assembling part 2 comprises an assembling disc body 23, which is integrally formed with a positioning protrusion 231 at one end facing the roller 1 along the axial direction, the end of the roller 1 is formed with a positioning hole 11, the positioning protrusion 231 is inserted into the positioning hole 11 to realize the positioning of the assembling disc body 23, so that the assembling part 2 can be better combined with the end of the roller 1; the assembling disc body 23 is locked with the end of the roller 1 through a plurality of third locking parts 24, and the threaded section 21 is integrally formed at the end of the assembling disc body 23 away from the roller 1 to ensure the strength of the threaded section 21. Of course, in the specific implementation of the application, the assembling disc body 23 at one end facing the roller 1 can also not be provided with the positioning protrusion 231.

[0063] In the application, as shown in Figure 4 The roller 1 comprises a support shaft body 12 and a working layer 13 covering the outside of the support shaft body 12; the outer diameter of the assembling disc body 23 is equal to the outer diameter of the support shaft body 12. In the specific implementation of the application, the support shaft body 12 can specifically adopt a hollow shaft body, and since the two ends of the roller 1 are both provided with the assembling part 2 for connecting with the jacking assembly 3, the hollow shaft body does not need to be additionally provided with an intermediate core body for connection, so that the overall weight of the roller 1 can be effectively reduced; the working layer 13 specifically adopts wear-resistant materials to ensure that it is not easy to wear during use, thereby improving the service life, for example, polyurethane rubber and the like. Example two

[0064] Please refer to Figures 1 to 8 The dismounting method of the roller device 100 of the application, wherein the specific structure of the roller device 100 and the technical effects that can be obtained are completely the same as those of example one, and specific reference can be made to the detailed introduction of example one, which will not be described here again; the dismounting method comprises the following steps:

[0065] When installed for the first time, the assembling part 2 is installed at the two ends of the roller 1 to combine the assembling part 2 with the roller 1; the abutting plugs 321 on the two jacking assemblies 3 are respectively inserted into the abutting groove holes 22 of the corresponding assembling parts 2, and the nut parts 4 on the jacking assemblies 3 are screwed with the threaded sections 21 of the assembling parts 2, after screwing, the abutting plugs 321 on the jacking assemblies 3 will abut against the assembling parts 2, so that the jacking assemblies 3 and the assembling parts 2 can be reliably connected together; the driving mechanism 5 is connected with the abutting body 32 of one of the jacking assemblies 3, and the assembling body 31 of the jacking assembly 3 is installed on the support frame 6 through the elastic structure 7, specifically, the assembling body 31 of the jacking assembly 3 is locked on the support frame 6 through the elastic structure 7, so as to support the roller 1 through the support frame 6;

[0066] When disassembling, the loose structure 7 far from the driving mechanism 5 is loosened, the nut part 4 far from the driving mechanism 5 is rotated to separate the abutting plug 321 and the nut part 4 on the jacking assembly 3 from the threaded section 21 and the abutting groove hole 22 on the assembling part 2, that is, the jacking assembly 3 far from the driving mechanism 5 is completely separated from the roller 1; then the nut part 4 close to the driving mechanism 5 is rotated to separate the abutting plug 321 and the nut part 4 on the jacking assembly 3 from the threaded section 21 and the abutting groove hole 22 on the assembling part 2, so that the roller 1 can be disassembled from the support frame 6, thereby realizing the replacement, maintenance and other operations of the roller 1, and the driving mechanism 5 and the two jacking assemblies 3 do not need to be disassembled;

[0067] When reassembling, the roller 1 is hoisted to the support frame 6, the abutting plug 321 on the two jacking assemblies 3 is inserted into the corresponding abutting groove hole 22 of the assembling part 2, and the nut part 4 on the two jacking assemblies 3 is screwed together with the threaded section 21 of the corresponding assembling part 2, and the assembling body 31 of the jacking assembly 3 is locked together with the support frame 6 by the loose structure 7 far from the driving mechanism 5, so as to realize the replacement of the roller 1 without disassembling the driving mechanism 5 and the two jacking assemblies 3, so that the replacement process is simpler and more convenient, and the replacement efficiency of the roller 1 is improved.

[0068] Although the specific embodiments of the present application are described above, those skilled in the art should understand that the specific embodiments described are only illustrative, and are not intended to limit the scope of the present application, and equivalent modifications and changes made by those skilled in the art in accordance with the spirit of the present application should be covered within the scope of the claims of the present application.

Claims

1. A roller device that is easy to disassemble and assemble, characterized in that: include: Roller; An assembly part is provided at both ends of the roller; the assembly part is provided with a threaded section extending outwardly along the axial direction, and a supporting slot is formed at the end of the threaded section away from the roller roller; A tightening assembly, each of the assembly parts is connected to a tightening assembly; the tightening assembly includes an assembly body and a resisting body rotatably arranged on the assembly body, the resisting body is provided with a resisting plug inserted into the resisting slot at one end close to the assembly part, a nut is rotatably provided on the outside of the resisting plug, and the nut is threadedly connected to the threaded segment; A driving mechanism connected to the abutting body of any one of the tightening assemblies; A support frame, wherein the assembly body of the tightening assembly at one end away from the driving mechanism is connected to the support frame via an elastic structure; The nut component includes a main nut rotatably set on the abutting body, a first limiting groove is formed between the abutting plug and the end face of the assembly body, the main nut is formed with a first limiting protrusion ring inwardly along the radial direction at one end close to the assembly body, and the first limiting protrusion ring is rotatably set in the first limiting groove; the assembly body is provided with at least one second limiting groove on the end face ring facing the main nut, and the main nut is formed with at least one second limiting protrusion ring on the end face facing the assembly body, and the second limiting protrusion ring is rotatably set in the second limiting groove.

2. A roller device that is easy to assemble and disassemble according to claim 1, characterized in that: The abutting slot is a tapered slot that gradually shrinks from the outside to the inside, and the abutting plug is a tapered plug that matches the tapered slot.

3. The roller device that is easy to disassemble and assemble according to claim 1, characterized in that: The nut member further includes an auxiliary nut threadedly connected to the threaded section.

4. The roller device that is easy to disassemble and assemble according to claim 1, characterized in that: The abutting plug is formed with a third limiting convex ring at one end close to the assembly body, and the outer diameter of the third limiting convex ring is larger than the aperture of the abutting slot.

5. The roller device that is easy to assemble and disassemble according to claim 1, characterized in that: The assembly body includes an assembly cylinder and sealing end plates sealed at both ends of the assembly cylinder, and the sealing end plates are locked and connected to the assembly cylinder through a plurality of first locking parts; the abutting body has a transmission shaft extending into the assembly cylinder or passing through the assembly body, and the transmission shaft is rotatably connected to the assembly cylinder through a plurality of bearings.

6. The roller device that is easy to assemble and disassemble according to claim 1, characterized in that: The assembly bodies of the two tightening components are connected to the support frame through an elastic structure. The elastic structure includes a clamping seat fixed on the support frame and a tightening member cooperating with the clamping seat. The tightening member tightens the assembly body to the clamping seat through a number of second locking members; the assembly body is a cylindrical structure, and the clamping seat and the support frame are integrally formed.

7. The roller device that is easy to disassemble and assemble according to claim 1, characterized in that: The assembly part includes an assembly disc body, which is integrally formed with a positioning protrusion along the axial direction at the end facing the roller roller, and a positioning hole is formed at the end of the roller roller, and the positioning protrusion is inserted into the positioning hole; the assembly disc body is locked together with the end of the roller roller through a plurality of third locking parts, and the threaded section is integrally formed at the end of the assembly disc body away from the roller roller.

8. The roller device that is easy to disassemble and assemble according to claim 7, characterized in that: The roller roller includes a supporting shaft body and a working layer covering the outside of the supporting shaft body; the outer diameter of the assembly disc body is equal to the outer diameter of the supporting shaft body.

9. A method for disassembling a roller device that is easy to disassemble as claimed in any one of claims 1 to 8, characterized in that: The disassembly and assembly method comprises the following steps: During the first installation, install the assembly parts on both ends of the roller, insert the abutting plugs on the two tightening components into the abutting slots of the corresponding assembly parts, and screw the nut on the tightening component to the threaded section of the assembly part; connect the driving mechanism to the abutting body of one of the tightening components, and install the assembly body of the tightening component to the support frame through the loosening structure; During disassembly, loosen the tensioning structure at the end away from the driving mechanism, and rotate the nut at the end away from the driving mechanism to separate the abutting plug and the nut on the tightening assembly from the threaded section and the abutting slot on the assembly. Then rotate the nut piece near one end of the driving mechanism to separate the abutting plug and the nut piece on the tightening assembly from the threaded section and the abutting slot on the assembly part, and the roller can be disassembled from the support frame; When installing again, hoist the roller onto the support frame, insert the abutting plugs on the two tightening components into the abutting slots of the corresponding assembly parts, and screw the nuts on the two tightening components to the threaded sections of the corresponding assembly parts. At the same time, use the elastic structure away from one end of the driving mechanism to lock the assembly body of the tightening component and the support frame together.

Images