Rubber roller dismounting mechanism

Abstract

The utility model belongs to the technical field of machining, and discloses a rubber roller dismounting mechanism. Wherein the connecting plate is detachably connected with the end face of the rubber roller, the guide rod extends in the first direction, a first connecting hole is formed in the connecting plate, and the connecting plate is arranged on the guide rod in a sleeving mode and can move relative to the guide rod; the positioning assembly is arranged on the side, away from the rubber roller, of the connecting plate and comprises a clamping jaw pair and a connecting block, the connecting block extends in the second direction and is provided with a second connecting hole in the first direction, and the connecting block is arranged on the guide rod in a sleeving mode and can move relative to the guide rod. The first clamping jaw and the second clamping jaw are arranged on the connecting block in a sliding mode in the second direction so as to get close to the clamping connecting plate or get away from the releasing connecting plate. The connecting plate cannot deviate or tilt after being positioned by the clamping jaw pair, the connecting plate linearly moves to drive the rubber roller to be linearly separated from the transmission shaft, asymmetric force application between the rubber roller and the transmission shaft is avoided, and the probability of damage to the transmission shaft and related accessories is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical processing technical field especially, relates to a rubber roller dismounting mechanism. BACKGROUND

[0002] In the tobacco industry high -speed packaging production line, FXS779 type rubber roller as the core transmission assembly of cigarette forming system, undertakes filter tip rod conveying, cigarette rubbing and so on key process task. The outer circle surface linear velocity of this kind of rubber roller is usually 20m / s-30m / s under the compound working condition environment of high temperature (55±10℃), high humidity (RH 60%-85%) and dust pollution for a long time, leading to the material of roller body to be easy to produce viscoelastic creep, thermal oxidative aging and mechanical wear and so on failure mode under the cyclic stress. According to statistics, the average service life of this type rubber roller is only 450-600 production hours, and frequent preventive replacement is needed.

[0003] At present, the industry generally adopts the manual dismounting process of spanner cooperation crowbar to dismount the rubber roller and transmission shaft, and the method relies on manual control in the dismounting process, which can easily lead to asymmetric force between the rubber roller and transmission shaft, thereby increasing the probability of damaging the transmission shaft and related accessories. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a rubber roller dismounting mechanism to solve the problem that the rubber roller and transmission shaft are dismounted by the manual dismounting process of spanner cooperation crowbar in the prior art, which can easily lead to asymmetric force between the rubber roller and transmission shaft, thereby increasing the probability of damaging the transmission shaft and related accessories.

[0005] To achieve this purpose, the utility model adopts the following technical scheme:

[0006] Provide a rubber roller dismounting mechanism for separating rubber roller and transmission shaft, the rubber roller is provided with a plug-in hole in the axial direction, the transmission shaft is placed in the plug-in hole, and the rubber roller dismounting mechanism comprises:

[0007] A support assembly comprises a connecting plate and a guide rod, the connecting plate is detachably connected with the end face of the rubber roller, the guide rod extends in a first direction, a first connecting hole is formed in the geometric center of the connecting plate, and the connecting plate is sleeved on the guide rod and can move relative to the guide rod;

[0008] A positioning assembly is arranged on a side of the connecting plate away from the rubber roller, and the positioning assembly comprises a pair of clamping jaws and a connecting block. The connecting block extends along a second direction and is provided with a second connecting hole along the first direction. The second direction is perpendicular to the first direction. The connecting block is sleeved on the guide rod and can move relative to the guide rod. The pair of clamping jaws comprises a first clamping jaw and a second clamping jaw. The first clamping jaw and the second clamping jaw are slidingly arranged on the connecting block along the second direction to clamp the connecting plate by moving close to each other or release the connecting plate by moving away from each other.

[0009] As an optional technical solution of the rubber roller dismounting mechanism, the first connecting hole and the second connecting hole are both provided as first threaded holes. The guide rod is a threaded rod. The pair of clamping jaws can drive the connecting plate to rotate and feed along the first direction through the connecting block, so as to drive the rubber roller to rotate and feed along the first direction to separate the rubber roller from the transmission shaft.

[0010] As an optional technical solution of the rubber roller dismounting mechanism, the positioning assembly further comprises a rotary driving member connected with the connecting block or the guide rod to drive the connecting plate to feed along the first direction.

[0011] As an optional technical solution of the rubber roller dismounting mechanism, the first connecting hole and the second connecting hole are both provided as smooth through holes. The guide rod is a smooth rod. The positioning assembly further comprises a linear driving member connected with the connecting block to drive the connecting plate to move along the first direction, so as to separate the rubber roller from the transmission shaft.

[0012] As an optional technical solution of the rubber roller dismounting mechanism, the first clamping jaw and the second clamping jaw comprise a clamping end and a connecting end. The connecting end is provided with a clamping notch along the second direction. The first clamping jaw and the second clamping jaw are clamped on the connecting block through the clamping notch. There is a gap between the first clamping jaw, the second clamping jaw and the connecting block to slide along the second direction on the connecting block.

[0013] As an optional technical solution of the rubber roller dismounting mechanism, the connecting end is provided with a second threaded hole along a third direction. The third direction is perpendicular to the first direction and the second direction. The center axis of the second threaded hole passes through the clamping notch. The positioning assembly further comprises a limiting member comprising a bolt and a first nut. The bolt is penetratingly arranged in the second threaded hole. The first nut is provided at both ends of the bolt. The screwing position of the first nut and the bolt is adjusted to change the size of the gap between the first clamping jaw, the second clamping jaw and the connecting block.

[0014] As an optional technical scheme of the rubber roller dismounting mechanism, the connecting assembly comprises a plurality of connecting rods, a plurality of third connecting holes are formed in the connecting plate and the end face of the rubber roller in a corresponding mode, and the connecting rods are in one-to-one correspondence with the third connecting holes and are detachably connected.

[0015] As an optional technical scheme of the rubber roller dismounting mechanism, the third connecting holes are three, and the three third connecting holes are distributed in a triangular point mode.

[0016] As an optional technical scheme of the rubber roller dismounting mechanism, the third connecting holes are third threaded holes, the connecting rods are threaded rods, and the connecting assembly further comprises a second nut, the second nut is sleeved on one end of the connecting rod away from the rubber roller and located on the side of the connecting plate away from the rubber roller, so as to limit the connecting rod from being separated from the connecting plate.

[0017] As an optional technical scheme of the rubber roller dismounting mechanism, the connecting rod is made of alloy steel.

[0018] The rubber roller dismounting mechanism has the following beneficial effects:

[0019] The rubber roller dismounting mechanism provided in the application comprises a supporting assembly and a positioning assembly, the supporting assembly comprises a connecting plate and a guide rod, the connecting plate is detachably connected with the end face of the rubber roller, the guide rod extends along a first direction, a first connecting hole is formed in the geometric center of the connecting plate, and the connecting plate is sleeved on the guide rod and can move relative to the guide rod; the positioning assembly is arranged on the side of the connecting plate away from the rubber roller and comprises a pair of clamping jaws and a connecting block, the connecting block extends along a second direction and is provided with a second connecting hole along the first direction, the second direction is perpendicular to the first direction, the connecting block is sleeved on the guide rod and can move relative to the guide rod, the pair of clamping jaws comprises a first clamping jaw and a second clamping jaw, and the first clamping jaw and the second clamping jaw are slidingly arranged on the connecting block along the second direction so as to be close to each other to clamp the connecting plate or be away from each other to release the connecting plate. After the connecting plate is clamped and positioned by the pair of clamping jaws, the connecting plate will not be deviated or tilted, the connecting plate and the pair of clamping jaws move together, so that the connecting plate can accurately move along the axial direction of the guide rod, thereby linearly separating the rubber roller from the transmission shaft, avoiding asymmetric force between the rubber roller and the transmission shaft, and reducing the probability of damaging the transmission shaft and related accessories. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to more clearly illustrate the technical scheme in the embodiments of the application, the drawings needed in the description of the embodiments of the application will be briefly introduced. Obviously, the drawings in the following description are only some embodiments of the application, and other drawings can be obtained by those skilled in the art without creative labor on the basis of the contents of the embodiments of the application and the drawings.

[0021] Figure 1 is a top view of the rubber roller dismounting mechanism provided by the embodiment of the present utility model;

[0022] Figure 2 is a partial structure schematic view of the rubber roller dismounting mechanism provided by the embodiment of the present utility model;

[0023] Figure 3 is a partial structure sectional view of the rubber roller dismounting mechanism provided by the embodiment of the present utility model.

[0024] In the figure:

[0025] 1, rubber roller;

[0026] 10, support assembly; 11, connecting plate; 111, first connecting hole; 112, third connecting hole; 12, guide rod;

[0027] 20, positioning assembly; 21, clamping jaw pair; 211, first clamping jaw; 212, second clamping jaw; 22, connecting block; 221, clamping part; 222, reinforcing part; 23, limiting piece; 231, bolt; 232, first nut;

[0028] 30, connecting assembly; 31, connecting rod; 32, second nut. DETAILED DESCRIPTION

[0029] The present utility model will be further described in detail below in combination with the drawings and embodiments. It can be understood that the specific embodiments described herein are only used to explain the present utility model, and not to limit the present utility model. In addition, it should be noted that, in order to facilitate the description, only the part related to the present utility model is shown in the drawings, not all the structures.

[0030] In the description of the present utility model, unless otherwise explicitly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship between two elements. For ordinary skilled in the art, the specific meaning of the above terms in the present utility model can be understood according to the specific circumstances.

[0031] In the utility model, unless otherwise expressly provided and limited, the first feature is "on" or "under" the second feature, which can include that the first and second features are in direct contact, or the first and second features are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "on the surface of" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "under" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0032] In the description of the present embodiment, the terms "upper", "lower", "right", "left", "horizontal", "vertical", and other orientation or position relationships are based on the orientation or position relationships shown in the drawings, and are only for the convenience of description and simplification of operation, 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, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "first" and "second" are only used to distinguish in the description and have no special meaning.

[0033] The prior art generally adopts a manual disassembly process of wrench cooperating with a crowbar to disassemble the rubber roller and the transmission shaft, and the disassembly process relies on manual control, which is easy to cause asymmetric force between the rubber roller and the transmission shaft, thereby increasing the probability of damaging the transmission shaft and related accessories.

[0034] To solve the above problems, the present embodiment provides a rubber roller dismounting mechanism for separating a rubber roller 1 and a transmission shaft, the rubber roller 1 is provided with a plug-in hole in the axial direction, and the transmission shaft is arranged in the plug-in hole.

[0035] Specifically, referring to Figure 1 and Figure 2The rubber roller dismounting mechanism comprises a supporting assembly 10 and a positioning assembly 20. The supporting assembly 10 comprises a connecting plate 11 and a guide rod 12. The connecting plate 11 is detachably connected with an end face of the rubber roller 1. The guide rod 12 extends along a first direction. A first connecting hole 111 is formed in the geometric center of the connecting plate 11. The connecting plate 11 is sleeved on the guide rod 12 and can move relative to the guide rod 12. The positioning assembly 20 is arranged on the side of the connecting plate 11 away from the rubber roller 1. The positioning assembly 20 comprises a pair of clamping jaws 21 and a connecting block 22. The connecting block 22 extends along a second direction and is provided with a second connecting hole along the first direction. The second direction is perpendicular to the first direction. In the embodiment, the first direction is the X-axis direction, and the second direction is the Y-axis direction. The connecting block 22 is sleeved on the guide rod 12 and can move relative to the guide rod 12. The pair of clamping jaws 21 comprises a first clamping jaw 211 and a second clamping jaw 212. The first clamping jaw 211 and the second clamping jaw 212 are slidingly arranged on the connecting block 22 along the second direction to approach or move away from each other to clamp or release the connecting plate 11. The connecting plate 11 will not be offset or tilted after being clamped and positioned by the pair of clamping jaws 21. The connecting plate 11 and the pair of clamping jaws 21 move together, so that the connecting plate 11 can move along the axial direction of the guide rod 12 accurately, thereby separating the rubber roller 1 from the transmission shaft linearly, avoiding asymmetric force between the rubber roller 1 and the transmission shaft, and reducing the probability of damaging the transmission shaft and related accessories.

[0036] In one embodiment, the first connecting hole 111 and the second connecting hole are both first threaded holes. The guide rod 12 is a threaded rod. The pair of clamping jaws 21 can drive the connecting plate 11 to rotate and feed along the first direction through the connecting block 22, thereby driving the rubber roller 1 to rotate and feed along the first direction to separate the rubber roller 1 from the transmission shaft. Specifically, the positioning assembly 20 further comprises a rotary drive member connected with the connecting block 22 or the guide rod 12 to drive the connecting plate 11 to feed along the first direction.

[0037] In example one, the first clamping jaw 211 and the second clamping jaw 212 move along the direction of approaching each other to clamp the side wall of the connecting plate 11. The rotary drive member can be a rotary motor or a rotary cylinder. When the rotary drive member is connected with the connecting block 22, the rotary drive member drives the connecting block 22 to rotate and feed on the guide rod 12, and drives the pair of clamping jaws 21 to rotate and feed, thereby driving the connecting plate 11 to rotate and feed on the guide rod 12 to separate the rubber roller 1 from the transmission shaft linearly.

[0038] In example two, the first clamping jaw 211 and the second clamping jaw 212 move along the direction of approaching each other to clamp the side wall of the connecting plate 11. The rotary drive member can be a rotary motor or a rotary cylinder. When the rotary drive member is connected with the guide rod 12, the guide rod 12 rotates to drive the connecting plate 11 and the connecting block 22 to move linearly on the guide rod 12, thereby driving the rubber roller 1 to separate from the transmission shaft linearly.

[0039] In one of the embodiments, the first connecting hole 111 and the second connecting hole are both set as smooth through holes, the guide rod 12 is a smooth rod, and the positioning assembly 20 further comprises a linear driving member connected with the connecting block 22 to drive the connecting plate 11 to move in the first direction, so as to separate the rubber roller 1 from the transmission shaft.

[0040] Exemplarily, the first clamping jaw 211 and the second clamping jaw 212 move in the direction of approaching each other and clamp the side wall of the connecting plate 11, the linear driving member can be set as a stepping motor or a linear cylinder, and the linear driving member drives the connecting block 22 and the connecting plate 11 to slide on the guide rod 12, so as to linearly separate the rubber roller 1 from the transmission shaft.

[0041] Specifically, referring to Figure 1 and Figure 3 , the connecting block 22 comprises a clamping portion 221 and a reinforcing portion 222, the clamping portion 221 is set as a square block, and the reinforcing portion 222 is set as a triangle shape with a larger inner diameter in the center and smaller inner diameters on both sides, the reinforcing portion 222 can increase the strength of the clamping portion 221 to avoid the clamping portion 221 from being broken in rotation or linear movement, and the reinforcing portion 222 increases the length of the second connecting hole to improve the guiding effect of the inner wall of the second connecting hole on the connecting block 22.

[0042] Further, the first clamping jaw 211 and the second clamping jaw 212 comprise clamping ends and connecting ends, the connecting ends are provided with clamping notches in the second direction, the first clamping jaw 211 and the second clamping jaw 212 are clamped in the connecting block 22 through the clamping notches, and gaps exist between the first clamping jaw 211, the second clamping jaw 212 and the connecting block 22 to slide on the connecting block 22 in the second direction. In this embodiment, referring to Figure 3 , the clamping notches are clamped in the clamping portion 221, one side of the clamping notches is provided with an opening to avoid the position of the reinforcing portion 222, and the inner walls on both sides of the opening abut against the clamping portion 221 and the reinforcing portion 222 to avoid the first clamping jaw 211 and the second clamping jaw 212 from being separated from the connecting block 22. In this embodiment, the clamping end is provided with a right-angled corner to increase the abutting area with the connecting plate 11 and limit the connecting plate 11 from being separated from the first clamping jaw 211 and the second clamping jaw 212. In other embodiments, the first clamping jaw 211 and the second clamping jaw 212 can also be slidably connected with the connecting block 22 through a slide rail, a slide groove or a screw nut, etc.

[0043] Further, the connecting end is provided with a second threaded hole in a third direction, and the third direction is perpendicular to the first direction and the second direction. In the embodiment, the third direction is the Z-axis direction. The center axis of the second threaded hole passes through the clamping gap, and the positioning assembly 20 further comprises a limiting piece 23, the limiting piece 23 comprises a bolt 231 and a first nut 232, the bolt 231 is provided through the second threaded hole, and the first nut 232 is provided at two ends of the bolt 231. The threaded position of the first nut 232 and the bolt 231 is adjusted to change the gap size between the first jaw 211, the second jaw 212 and the connecting block 22. The two first nuts 232 are close to each other to reduce the gap between the first jaw 211, the second jaw 212 and the connecting block 22, so that the first jaw 211 and the second jaw 212 abut against the connecting block 22 to limit the displacement of the first jaw 211 and the second jaw 212. In other embodiments, a plurality of threaded holes can be provided at intervals in the connecting block 22, and a through hole is provided in the first jaw 211 and the second jaw 212, and the movement of the first jaw 211 and the second jaw 212 is selectively limited by a detachable threaded connecting piece.

[0044] Further, the rubber roller dismounting mechanism further comprises a connecting assembly 30, the connecting assembly 30 comprises a plurality of connecting rods 31, a plurality of third connecting holes 112 are provided in the connecting plate 11 and the end face of the rubber roller 1 corresponding to the third connecting holes 112, and the connecting rods 31 are one-to-one corresponding to the third connecting holes 112 and are detachably connected. In the embodiment, the third connecting holes 112 are three, and the three third connecting holes 112 are distributed in a triangular point position. The triangular distribution can increase the overall stress intensity of the connecting rod 31, facilitate the movement or rotation of the rubber roller 1, and reduce the probability of fracture of the connecting rod 31. Further, the connecting rod 31 is made of alloy steel, and the strength and stiffness performance of the alloy steel is good, and the anti-torsional fracture ability is strong, thereby increasing the connection reliability of the connecting rod 31 and the connecting plate 11 and the rubber roller 1.

[0045] In the embodiment, the third connecting hole 112 is a third threaded hole, the connecting rod 31 is a threaded rod, and the connecting assembly 30 further comprises a second nut 32, the second nut 32 is sleeved on one end of the connecting rod 31 away from the rubber roller 1 and located on the side of the connecting plate 11 away from the rubber roller 1, so as to limit the connecting rod 31 from being separated from the connecting plate 11. In other embodiments, a through hole can be provided in the connecting rod 31, and the connecting rod 31, the connecting plate 11 and the rubber roller 1 are connected by a threaded connecting piece.

[0046] Obviously, the above embodiments of the present application are merely examples for clearly illustrating the present application, and are not intended to limit the implementation modes of the present application. For those skilled in the art, various obvious changes, re-adjustments and replacements can be made without departing from the protection scope of the present application. Here, it is not necessary and also impossible to enumerate all the implementation modes. Any modification, equivalent replacement and improvement made within the spirit and principle of the present application shall be included in the protection scope of the present application claims.

Claims

1. A rubber roll dismounting mechanism for separating a rubber roll (1) from a drive shaft, said rubber roll (1) being provided with a spigot hole in the axial direction, said drive shaft being disposed in said spigot hole, characterized in that, The rubber roller dismounting mechanism comprises: A support assembly (10) comprising a connecting plate (11) and a guide rod (12), the connecting plate (11) is detachably connected with an end face of the rubber roller (1), the guide rod (12) extends along a first direction, a first connecting hole (111) is formed in the geometric center of the connecting plate (11), the connecting plate (11) is sleeved on the guide rod (12) and can move relative to the guide rod (12); A positioning assembly (20) provided on the side of the connecting plate (11) away from the rubber roller (1), the positioning assembly (20) comprises a pair of clamping jaws (21) and a connecting block (22), the connecting block (22) extends along a second direction and is provided with a second connecting hole along the first direction, the second direction is perpendicular to the first direction, the connecting block (22) is sleeved on the guide rod (12) and can move relative to the guide rod (12), the pair of clamping jaws (21) comprises a first clamping jaw (211) and a second clamping jaw (212), the first clamping jaw (211) and the second clamping jaw (212) are slidingly arranged on the connecting block (22) along the second direction to approach each other to clamp the connecting plate (11) or move away from each other to release the connecting plate (11).

2. The rubber roller dismounting mechanism according to claim 1, characterized in that, The first connecting hole (111) and the second connecting hole are both provided as first threaded holes, the guide rod (12) is a threaded rod, the pair of clamping jaws (21) can drive the connecting plate (11) to rotate and feed along the first direction through the connecting block (22), thereby driving the rubber roller (1) to rotate and feed along the first direction to separate the rubber roller (1) from the transmission shaft.

3. The rubber roller dismounting mechanism according to claim 2, characterized in that, The positioning assembly (20) further comprises a rotary drive connected with the connecting block (22) or the guide rod (12) to drive the connecting plate (11) to feed along the first direction.

4. The rubber roller dismounting mechanism according to claim 1, characterized in that, The first connecting hole (111) and the second connecting hole are both provided as smooth through holes, the guide rod (12) is a smooth rod, the positioning assembly (20) further comprises a linear drive connected with the connecting block (22) to drive the connecting plate (11) to move along the first direction, thereby separating the rubber roller (1) from the transmission shaft.

5. The rubber roller dismounting mechanism according to any one of claims 1 to 4, characterized in that, The first clamping jaw (211) and the second clamping jaw (212) comprise clamping ends and connecting ends, the connecting ends are provided with clamping notches along the second direction, the first clamping jaw (211) and the second clamping jaw (212) are clamped on the connecting block (22) through the clamping notches, and there is a gap between the first clamping jaw (211), the second clamping jaw (212) and the connecting block (22) to slide along the second direction on the connecting block (22).

6. The rubber roller dismounting mechanism according to claim 5, characterized in that The connecting end is provided with a second threaded hole penetratingly formed along a third direction, the third direction is perpendicular to the first direction and the second direction, a center axis of the second threaded hole penetrates the clamping gap, the positioning assembly (20) further comprises a limiting piece (23), the limiting piece (23) comprises a bolt (231) and a first nut (232), the bolt (231) is penetratingly arranged in the second threaded hole, the first nut (232) is two and arranged at two ends of the bolt (231), the screwing position of the first nut (232) and the bolt (231) is adjusted to change the gap size between the first clamping jaw (211) and the second clamping jaw (212) and the connecting block (22).

7. The rubber roller dismounting mechanism according to any one of claims 1 to 4, characterized in that, The rubber roller dismounting mechanism further comprises a connecting assembly (30), the connecting assembly (30) comprises a plurality of connecting rods (31), the connecting plate (11) and the rubber roller (1) are correspondingly provided with a plurality of third connecting holes (112) on the end faces, the connecting rods (31) correspond to the third connecting holes (112) one by one and are detachably connected.

8. The rubber roller dismounting mechanism according to claim 7, characterized in that The third connecting holes (112) are three, and the three third connecting holes (112) are distributed in a triangular point position.

9. The rubber roller dismounting mechanism according to claim 7, characterized in that, The third connecting holes (112) are third threaded holes, the connecting rods (31) are threaded rods, and the connecting assembly (30) further comprises a second nut (32), the second nut (32) is sleeved on an end of the connecting rod (31) away from the rubber roller (1) and located on a side of the connecting plate (11) away from the rubber roller (1), so as to limit the connecting rod (31) from being separated from the connecting plate (11).

10. The rubber roller dismounting mechanism according to claim 7, characterized in that, The connecting rod (31) is made of alloy steel.

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