Guide and guard device

By adopting a detachable roller sleeve design and locking mechanism in the guide device, the problem of clamping instability caused by guide roller wear is solved, enabling quick replacement of the roller sleeve and improving the stability and production efficiency of the guide device.

CN223801210UActive Publication Date: 2026-01-16SUZHOU ALTAI MASCH CO LTD
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Patent Information

Application Number
CN202520304978.0
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2025-02-25
Publication Date
2026-01-16
Estimated Expiration
2035-02-25

AI Technical Summary

Technical Problem

After prolonged use, wear on the guide rollers causes changes in their outer diameter, making it difficult to stably clamp and guide the bar stock.

Method used

A guide device was designed in which the guide roller sleeve and the roller core are detachably connected and fixed by a locking mechanism. After wear, the roller sleeve can be quickly disassembled and replaced. The quick installation is achieved by using countersunk screws and snap-fit ​​arc plate structure.

Benefits of technology

This enables quick replacement of the roller sleeve after the guide roller wears out, ensuring that the guide device can stably clamp and guide the bar stock, thereby improving the service life of the equipment and production efficiency.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model discloses a guiding and guarding device, and relates to the technical field of guiding and guarding. A guiding and guarding device comprises a base, a box body is installed on the base, and the box body comprises a flow channel with the middle penetrating through. Two guide rollers are mounted in the runner on the box body, and each guide roller is rotationally connected with the runner; each guide roller comprises a roller core, the roller core is rotationally connected to the box body, the roller core is sleeved with a roller sleeve, the roller sleeve is detachably connected with the roller core, the roller sleeve and the roller core are jointly connected with a locking mechanism, and the locking mechanism is used for locking the roller sleeve on the roller core. The bar clamping device can stably clamp bars all the time and guide the bars to move.
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Description

TECHNICAL FIELD

[0001] The present application relates to the field of guide, in particular to a guide device. BACKGROUND

[0002] The guide refers to the process of profiled steel rolling, which is installed before and after the roller pass to help the rolled piece such as bar to enter and guide the roller pass accurately and stably according to the established direction and state. Generally speaking, according to the installation position, the guide can be divided into import guide and export guide, and according to the friction property with the bar, the guide can be divided into rolling guide and sliding guide. In production, the guide can make the rolled piece deform stably in the pass and be rolled according to the required size and geometric shape.

[0003] Generally, the guide includes a base and a box body connected with each other, the box body includes a flow channel penetrating through the middle part, two rotatable guide rollers are installed on the box body, and the distance between the two guide rollers is the outer diameter of the bar; the bar enters from one end of the flow channel and is discharged from the other end, and the bar is clamped and guided by the two guide rollers when moving.

[0004] After the guide is used for a long time, the two guide rollers will be worn to varying degrees, which will cause the size of the outer diameter of the guide rollers to change, the distance between the two guide rollers will be greater than the outer diameter of the bar, and the two guide rollers will be difficult to stably clamp and guide the bar to move. CONTENT OF THE INVENTION

[0005] In order to stably clamp and guide the bar to move at all times, the present application provides a guide device.

[0006] The guide device provided by the present application adopts the following technical scheme:

[0007] A guide device includes a base, the base is installed with a box body, the box body includes a flow channel penetrating through the middle part; two guide rollers are installed on the box body in the flow channel, and each guide roller is rotatably connected with the flow channel;

[0008] Each guide roller includes a roller core, the roller core is rotatably connected to the box body, a roller sleeve is sleeved on the roller core, the roller sleeve and the roller core are detachably connected, and the roller sleeve and the roller core are jointly connected with a locking mechanism, and the locking mechanism is used to lock the roller sleeve on the roller core.

[0009] By adopting the above technical scheme, after a long time of use, the roller sleeve will be worn, at this time, only the locking mechanism of the roller sleeve needs to be unlocked, then the roller sleeve is disassembled and replaced, and then the locking mechanism is reinstalled, so that the two roller sleeves can stably clamp and guide the bar to move at all times.

[0010] In one specific implementation, the roller cover comprises a first clamping arc plate and a second clamping arc plate, the first clamping arc plate is detachably inserted into the second clamping arc plate; the first clamping arc plate and the second clamping arc plate are configured to form a containing space, and the roller core is located in the containing space.

[0011] By adopting the above technical solution, after the unlocking mechanism is unlocked, the first clamping arc plate can be pulled out of the second clamping arc plate. The first clamping arc plate and the second clamping arc plate can be quickly disassembled.

[0012] In one specific implementation, the projection of the outer wall surface of the first clamping arc plate and the outer wall surface of the second clamping arc plate along the roller core axis direction is a semicircle.

[0013] By adopting the above technical solution, the first clamping arc plate or the second clamping arc plate can be easily disassembled along the radial direction of the roller core.

[0014] In one specific implementation, the first clamping arc plate comprises an end block, the second clamping arc plate comprises an end slot, and the end block is detachably inserted into the end slot.

[0015] In one specific implementation, the locking mechanism comprises at least two countersunk screws, each of the first clamping arc plate and the second clamping arc plate is provided with a connecting hole, and the roller core is provided with a corresponding pair of connecting holes for each connecting hole, and one of the countersunk screws is connected to one connecting hole and the corresponding pair of connecting holes.

[0016] By adopting the above technical solution, the first clamping arc plate and the second clamping arc plate can be quickly disassembled based on the disassembly of the countersunk screws.

[0017] In one specific implementation, the box body comprises a sub-box one and a sub-box two, the sub-box one is installed on the base, the sub-box two is detachably installed on the sub-box one, one of the roller cores is rotationally connected to the sub-box one, and the other roller core is rotationally connected to the sub-box two.

[0018] By adopting the above technical solution, the sub-box two can be disassembled from the sub-box one, and the roller cover can be easily disassembled and replaced at this time.

[0019] In one specific implementation, the sub-box one is provided with a mounting hole one, the sub-box two is provided with a mounting hole two, and the mounting hole one and the mounting hole two are jointly connected with a locking member.

[0020] By adopting the above technical solution, the sub-box two can be easily separated or installed based on the disassembly of the locking member, and the roller cover can be easily disassembled after the sub-box two is separated.

[0021] In one specific implementation, the box body is provided with a lifting hook.

[0022] By adopting the technical scheme, the box body can be hoisted to the designated installation position for installation.

[0023] To sum up, the present application has at least one of the following beneficial technical effects:

[0024] 1. After long-term use, the roller sleeve will be worn out, at which time only the locking mechanism needs to be unlocked to lock the roller sleeve, then disassembled and replaced with a new roller sleeve, and then reinstalled with the locking mechanism to ensure that the two roller sleeves can always stably clamp the bar and guide the movement of the bar;

[0025] 2. After unlocking the locking mechanism to lock the roller sleeve, the first clamping arc plate can be pulled off the second clamping arc plate. The present application can quickly disassemble the first clamping arc plate and the second clamping arc plate;

[0026] 3. Based on the disassembly and assembly of the locking member, the sub-box two can be separated or installed, and after separating the sub-box two, the roller sleeve can be disassembled and assembled. BRIEF DESCRIPTION OF DRAWINGS

[0027] Figure 1 is a schematic view of the overall structure of a guide device according to an embodiment of the present application.

[0028] Figure 2 is a sectional view of a guide device according to an embodiment of the present application.

[0029] Figure 3 is a schematic view of the structure of a guide roller.

[0030] Figure 4 is a radial sectional view of a guide roller.

[0031] Figure 5 is a sectional view of a locking member.

[0032] Reference signs: 1, base; 2, box body; 21, flow channel; 22, horn tube; 23, sub-box one; 231, mounting hole one; 24, sub-box two; 241, mounting hole two; 25, locking member; 3, guide roller; 31, roller core; 32, roller sleeve; 321, first clamping arc plate; 3211, plug; 322, second clamping arc plate; 3221, slot; 4, locking mechanism; 41, countersunk screw; 42, connecting hole; 43, butt joint hole; 5, accommodating space; 6, lifting hook. DETAILED DESCRIPTION

[0033] The present application will be further described in detail below with reference to the accompanying drawings.

[0034] In the description of the utility model, it needs to be understood that, in relation to the orientation description, for example, the orientation or position relation indicated by the upper, lower, front, rear, left, right and the like is based on the orientation or position relation shown in the drawing, which is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, a particular orientation and operation, therefore it cannot be understood as the limitation of the utility model.

[0035] The utility model discloses a guide and guard device. Figure 1 And Figure 2 A guide and guard device, comprising a base 1, the base 1 is installed with box body 2, the box body 2 includes the flow channel 21 that passes through the middle part, the box body 2 still includes the horn pipe 22 at the right end, and the horn pipe 22 is used to feed material;Two guide rollers 3 are installed on the box body 2 and are located in the flow channel 21, and each guide roller 3 is rotatably connected with the flow channel 21, specifically, the guide roller 3 is rotatably connected to the flow channel 21 through the bearing;

[0036] Refer to Figure 2 And Figure 3 Each guide roller 3 comprises a roller core 31 rotatably connected to the box body 2, a roller sleeve 32 sleeved on the roller core 31, and a locking mechanism 4 connected with the roller sleeve 32 and the roller core 31, the roller sleeve 32 is detachably connected with the roller core 31, and the locking mechanism 4 is used to lock the roller sleeve 32 on the roller core 31.

[0037] After a long time of use, the roller sleeve 32 will be worn out, at this time, only need to remove the locking of the locking mechanism 4 to the roller sleeve 32, then disassemble and replace other size or new roller sleeve 32 and re-install the locking mechanism 4 to lock the roller sleeve 32. Replace the new roller sleeve 32 to always meet the use requirement of stable clamping bar and guiding the movement of the bar.

[0038] Refer to Figure 3 And Figure 4 Specifically, the roller sleeve 32 comprises a first clamping arc plate 321 and a second clamping arc plate 322, the first clamping arc plate 321 is detachably inserted into the second clamping arc plate 322, the first clamping arc plate 321 and the second clamping arc plate 322 are surrounded to form a containing space 5, the roller core 31 is located in the containing space 5, and the first clamping arc plate 321 and the second clamping arc plate 322 are attached to the outer wall of the roller core 31. More specifically, the projection of the outer wall surface of the first clamping arc plate 321 and the outer wall surface of the second clamping arc plate 322 along the axis direction of the roller core 31 is a semicircle, the first clamping arc plate 321 comprises an insertion block 3211 at the end, the second clamping arc plate 322 comprises an insertion slot 3221 at the end, and the insertion block 3211 is detachably inserted into the insertion slot 3221.

[0039] Refer to Figure 3 And Figure 4, the locking mechanism 4 comprises at least two countersunk screws 41, in the embodiment, the number of the countersunk screws 41 is four, the mounting mode of the first clamping arc plate 321 and the second clamping arc plate 322 is same, taking the first clamping arc plate 321 as an example: the first clamping arc plate 321 is provided with a connecting hole 42, the roller core 31 is provided with a corresponding counter connecting hole 43 corresponding to the connecting hole 42, and the countersunk screw 41 is connected to the connecting hole 42 and the corresponding counter connecting hole 43.

[0040] The specific action of disassembling and replacing the roller cover 32 is: disassembling all the countersunk screws 41 and then separating and moving away the first clamping arc plate 321 and the second clamping arc plate 322 from the roller core 31; then selecting appropriate size of the first clamping arc plate 321 and the second clamping arc plate 322, and placing the new first clamping arc plate 321 or the second clamping arc plate 322 on the roller core 31, and re-installing the countersunk screw 41 to fix the first clamping arc plate 321 or the second clamping arc plate 322.

[0041] Referring to Figure 2 , in order to facilitate disassembly and assembly of the roller cover 32, the box body 2 comprises a sub-box one 23 and a sub-box two 24, the sub-box one 23 is mounted on the base 1, the sub-box two 24 is detachably mounted on the sub-box one 23, one roller core 31 is rotatably connected to the sub-box one 23, and the other roller core 31 is rotatably connected to the sub-box two 24. Figure 5 , specifically, the sub-box one 23 is provided with a mounting hole one 231, the sub-box two 24 is provided with a mounting hole two 241, the mounting hole one 231 and the mounting hole two 241 are jointly connected with a locking piece 25, and the locking piece 25 is preferably a screw.

[0042] Referring to Figure 5 , in order to facilitate hoisting of the box body 2, the box body 2 is provided with a lifting hook 6, and the specific structure of the lifting hook 6 is the prior art, which will not be described here.

[0043] The implementation principle of the guide device in the embodiment of the application is:

[0044] The locking piece 25 is disassembled, the sub-box two 24 is disassembled, then all the countersunk screws 41 are disassembled, the first clamping arc plate 321 and the second clamping arc plate 322 are separated and moved away from the roller core 31, then appropriate size of the first clamping arc plate 321 and the second clamping arc plate 322 is selected, and the new first clamping arc plate 321 or the second clamping arc plate 322 is placed on the roller core 31, and the countersunk screw 41 is re-installed to fix the first clamping arc plate 321 or the second clamping arc plate 322, and the replacement is completed.

[0045] The above are preferred embodiments of the application, which do not limit the protection scope of the application, therefore: any equivalent changes made on the structure, shape and principle of the application should be covered within the protection scope of the application.

Claims

1. A guide and guard device, characterized in that: It includes base (1), the base (1) is installed with box body (2), the box body (2) includes the flow channel (21) of middle through, two guide rollers (3) are installed on the box body (2) and are located in the flow channel (21), and each guide roller (3) is rotatably connected with the flow channel (21). Each guide roller (3) includes roller core (31), the roller core (31) is rotatably connected to the box body (2), the roller core (31) is sleeved with roller sleeve (32), the roller sleeve (32) and the roller core (31) are detachably connected, and the roller sleeve (32) and the roller core (31) are commonly connected with locking mechanism (4), and the locking mechanism (4) is used for locking the roller sleeve (32) on the roller core (31).

2. A guide device according to claim 1, characterised in that: The roller sleeve (32) includes first clamping arc plate (321) and second clamping arc plate (322), the first clamping arc plate (321) is detachably inserted on the second clamping arc plate (322), and the first clamping arc plate (321) and the second clamping arc plate (322) are surrounded to form containing space (5), and the roller core (31) is located in the containing space (5).

3. A guide device according to claim 2, characterised in that: The projection of the outer wall surface of the first clamping arc plate (321) and the outer wall surface of the second clamping arc plate (322) along the axis direction of the roller core (31) is a semicircle.

4. A guide device according to claim 3, characterised in that: The first clamping arc plate (321) includes end plug (3211), the second clamping arc plate (322) includes end slot (3221), and the plug (3211) is detachably inserted in the slot (3221).

5. A guide device according to claim 2, characterised in that: The locking mechanism (4) includes at least two countersunk screws (41), the first clamping arc plate (321) and the second clamping arc plate (322) are provided with connecting holes (42), the roller core (31) is provided with a pair of connecting holes (43) corresponding to each connecting hole (42), and one countersunk screw (41) is connected to one connecting hole (42) and the corresponding pair of connecting holes (43).

6. A guide device according to claim 1, characterized in that: The box body (2) includes sub-box one (23) and sub-box two (24), the sub-box one (23) is installed on the base (1), the sub-box two (24) is detachably installed on the sub-box one (23), one roller core (31) is rotatably connected to the sub-box one (23), and the other roller core (31) is rotatably connected to the sub-box two (24).

7. A guide device according to claim 6, characterised in that: The sub-box one (23) is provided with mounting hole one (231), the sub-box two (24) is provided with mounting hole two (241), and the mounting hole one (231) and the mounting hole two (241) are commonly connected with locking piece (25).

8. A guide device according to claim 1, characterized in that: The box body (2) is installed with hook (6).