CN215700811U - Novel developing roller and clamping mechanism - Google Patents

Abstract

The utility model discloses a novel developing roller and a clamping mechanism, which comprise a metal shaft center and a rubber layer sleeved on the metal shaft center, wherein corners at two ends of the metal shaft center are R angles, the novel developing roller comprises clamping equipment, the clamping equipment comprises a first rotating head and a second rotating head which are oppositely arranged, and a telescopic mechanism, the first rotating head comprises a first rotating seat, a horn-shaped bayonet A is arranged at the outer end of the first rotating seat, one end of the metal shaft center is inserted into the horn-shaped bayonet A, the second rotating head comprises a second rotating seat, a horn-shaped bayonet B and an elastic component are arranged at the outer end of the second rotating seat, two ends of the metal shaft center are clamped through the horn-shaped bayonet A and the horn-shaped bayonet B, because a clamping block is horn-shaped, the contact area with the R angle is increased, and the clamping stability is improved, the phenomenon that the metal axle center slips and slips can be prevented, the stability during grinding is ensured, and the yield is improved.

Description

Novel developing roller and clamping mechanism

Technical Field

The utility model relates to the field of developing roller production equipment, in particular to a novel developing roller and a clamping mechanism.

Background

The existing developing roller has a surface grinding process in the manufacturing process without exception, the grinding work needs to clamp two ends of a metal shaft center and then grind a rubber layer, but in the grinding process, because the metal is cylindrical, a phenomenon of loose clamping and slipping may occur during rotary grinding, in order to overcome the problem, in the prior art, a chamfer angle is generally arranged on the end surface of the metal shaft center, and a C angle (right angle) is also arranged in a corresponding clamping mechanism, but in the actual processing process, due to more or less errors, the C angle of the end surface of the metal shaft center or the C angle in the clamping mechanism cannot be ensured to be 90 degrees, so that when the end surface of the metal shaft center is matched with the clamping mechanism, the end surface is either pushed to an axial surface or pushed to the end surface, the contact area is small, and burrs are easy to generate, thereby causing defective products.

Therefore, the existing developing roller and clamping mechanism are to be further improved.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a novel developing roller and a clamping mechanism to solve the above problems of the related art.

In order to achieve the purpose, the utility model adopts the following scheme: the utility model provides a novel developing roller, locates the rubber layer on the metal axle center including metal axle center and cover, its characterized in that: and corners at two ends of the metal axis are R corners.

A clamping mechanism is used for clamping the novel developing roller and comprises a clamping device, the clamping device comprises a first rotating head and a second rotating head which are arranged oppositely, and further comprises a telescopic mechanism, the first rotating head is rotatably arranged on the clamping device, the second rotating head is connected with the telescopic mechanism, the telescopic mechanism drives the second rotating head to move, so that two ends of a metal axis are clamped through the first rotating head and the second rotating head, the first rotating head comprises a first rotating seat, a horn-shaped bayonet A is arranged at the outer end of the first rotating seat, one end of the metal axis is inserted into the horn-shaped bayonet A, the second rotating head comprises a second rotating seat, a horn-shaped bayonet B and an elastic component are arranged at the outer end of the second rotating seat, the horn-shaped bayonet B is connected with the elastic component, two ends of the metal axis are respectively inserted into the horn-shaped bayonet A and the horn-shaped bayonet B, and the inner side wall surfaces of the horn-shaped bayonet A and the horn-shaped bayonet B are both attached to the angle R.

Furthermore, a square groove is formed in the outer end of the second rotating seat, a square column is movably arranged in the square groove, the outer end of the square column is fixedly connected with the horn-shaped bayonet B, and the inner end of the square column is connected with the elastic component.

Further, the elastic component is a spring, one end of the spring abuts against the square column, and the other end of the spring abuts against the inner wall of the square groove.

Furthermore, a movable slot is arranged at the outer end of the first rotating head, a top column and a spring part which enables the top column to keep an outward state are movably arranged in the movable slot, and the outer end of the top column extends out of the horn-shaped bayonet A and is abutted against the outer end of the metal shaft center.

Furthermore, a plurality of anti-slip strips are uniformly distributed and arrayed on the inner side wall surfaces of the horn-shaped bayonet A and the horn-shaped bayonet B along the circumference.

In conclusion, the utility model has the beneficial effects that: the corners at two ends of the metal axis are provided with R angles, and inner R angles are arranged in the inner side wall surfaces of the horn-shaped bayonet A and the horn-shaped bayonet B of the clamping mechanism, so that the end surface of the metal axis is in closer contact with the horn-shaped bayonet A and the horn-shaped bayonet B, the contact surface is effectively increased, and end surface burrs and shaft surface burrs are prevented; the first rotating head and the second rotating head on the clamping device are respectively provided with the horn-shaped bayonet A and the horn-shaped bayonet B, the two ends of the metal axis are clamped tightly through the horn-shaped bayonet A and the horn-shaped bayonet B, and the clamping block is horn-shaped, so that the contact area with an R angle is increased, the clamping stability is improved, the metal axis can be prevented from sliding and slipping, the grinding stability is ensured, and the yield is improved.

Drawings

FIG. 1 is a schematic view of a metal hub and a second rotating head according to the present invention.

FIG. 2 is a schematic view of the clamping mechanism clamping the developing roller according to the present invention.

FIG. 3 is a schematic cross-sectional view taken at A-A of FIG. 2 in accordance with the present invention.

FIG. 4 is a schematic view of the structure of the metal core and the rubber layer according to the present invention.

FIG. 5 is a second schematic view of the clamping mechanism clamping the developing roller according to the present invention.

FIG. 6 is a schematic cross-sectional view taken at B-B of FIG. 5 according to the present invention.

FIG. 7 is a schematic structural diagram of a polygonal groove and a polygonal insert according to the present invention.

Description of reference numerals: 1. a metal axis; 2. a rubber layer; 3. a through hole; 4. a polygonal groove; 5. an R angle; 21. heat dissipation holes; 41. a first rotating head; 42. a second rotary head; 43. a first rotating base; 44. a polygonal insert A; 45. a second rotary base; 46. a polygonal insert B; 47. an elastic member; 51. a square groove; 52. a square column; 81. a movable slot; 82. a top pillar; 83. a spring member; 91. a baffle plate; 400. a horn-shaped bayonet A; 401. a horn-shaped bayonet B; 100. and (4) an anti-slip strip.

Detailed Description

The following detailed description provides many different embodiments or examples for implementing the utility model. Of course, these are merely embodiments or examples and are not intended to be limiting. In addition, repeated reference numbers, such as repeated numbers and/or letters, may be used in various embodiments. These iterations are for simplicity and clarity of describing the present invention and are not intended to represent a particular relationship between the various embodiments and/or configurations discussed.

Furthermore, spatially relative terms, such as "below" … "," below "," inside-out "," above "," upper "and the like, may be used herein to facilitate describing one element or feature's relationship to another element or feature during use or operation of the device, and may include different orientations of the device during use or operation of the device as illustrated in the figures. The devices may be rotated 90 degrees or other orientations from different orientations and the spatially relative descriptors used therein should be interpreted as such and are not to be construed as limiting the utility model, and the terms "first" and "second" are used for descriptive purposes only and are not intended to indicate or imply relative importance or to implicitly indicate the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature.

The utility model is further described in the following figures and detailed description, example one: the novel developing roller shown in fig. 1 comprises a metal shaft center 1 and a rubber layer 2 sleeved on the metal shaft center 1, wherein corners at two ends of the metal shaft center 1 are both R angles 5, and through the matching of the R angles 5 and clamping heads, the contact area is increased, and the clamping stability is improved.

Referring to fig. 2-3, a clamping mechanism for clamping the above-mentioned novel developing roller comprises a clamping device, the clamping device comprises a first rotating head 41 and a second rotating head 42 which are oppositely arranged, and further comprises a telescopic mechanism, the first rotating head 41 is rotatably mounted on the clamping device, the second rotating head 42 is connected with the telescopic mechanism, and the telescopic mechanism drives the second rotating head 42 to move, so that two ends of a metal shaft center 1 are clamped by the first rotating head 41 and the second rotating head 42, the first rotating head 41 comprises a first rotating base 43, a horn-shaped bayonet a400 is arranged at the outer end of the first rotating base 43, one end of the metal shaft center 1 is inserted into the horn-shaped bayonet a400, the second rotating head 42 comprises a second rotating base 45, a horn-shaped bayonet B401 and an elastic component 47 are arranged at the outer end of the second rotating base 45, trumpet-shaped bayonet socket B401 is connected with elastomeric element 47, the both ends in metal axle center 1 are inserted respectively and are located trumpet-shaped bayonet socket A400 and trumpet-shaped bayonet socket B401 in, just trumpet-shaped bayonet socket A400 all laminates on R angle 5 with the interior lateral wall face of trumpet-shaped bayonet socket B401, are equipped with trumpet-shaped bayonet socket A400 and trumpet-shaped bayonet socket B401 on first rotating head 41 on the centre gripping equipment and second rotating head 42 respectively, press from both sides the both ends of metal axle center 1 through trumpet-shaped bayonet socket A400 and trumpet-shaped bayonet socket B401 and press from both sides tightly, because the grip block is the shape of trumpet-shaped, consequently increase with the area of contact of R angle 5, improve the stability of centre gripping, can prevent that metal axle center 1 landing and the phenomenon of skidding from taking place, guarantee the stability when grinding, improve the yields.

The outer end of the second rotating seat 45 is provided with a square groove 51, a square column 52 is movably arranged in the square groove 51, the outer end of the square column 52 is fixedly connected with the horn-shaped bayonet B401, the inner end of the square column 52 is connected with an elastic component 47, the elastic component 47 is a spring, one end of the spring is abutted against the square column 52, the other end of the spring is abutted against the inner wall of the square groove 51, a buffering effect can be achieved, and the metal axis 1 is prevented from being damaged.

The outer end of the first rotating head 41 is provided with a movable slot 81, a top column 82 and a spring part 83 enabling the top column 82 to keep an outward state are movably arranged in the movable slot 81, the outer end of the top column 82 extends out of the horn-shaped bayonet A400 and abuts against the outer end of the metal shaft center 1, and the metal shaft center 1 can be prevented from being clamped in the horn-shaped bayonet A400, so that normal operation of equipment is guaranteed.

There are a plurality of antislip strips 100 along circumference equipartition array on the inner wall face of tubaeform bayonet socket A400 and tubaeform bayonet socket B401, can prevent that the phenomenon that metal axle center 1 appears skidding from taking place, stability when guaranteeing to grind improves the yields.

The utility model also provides another embodiment, embodiment two: referring to fig. 4, the utility model further provides a novel developing roller, which comprises a metal shaft center 1 and a rubber layer 2 sleeved on the metal shaft center 1, wherein two ends of the metal shaft center 1 are communicated with through holes 3, two ends of each through hole 3 are respectively provided with a polygonal groove 4, a plurality of heat dissipation holes 21 are uniformly distributed on the outer wall of the metal shaft center 1, the metal shaft center 1 is sleeved outside the heat dissipation holes 21, and the heat dissipation of the metal shaft center 1 can be achieved through the arrangement of the through holes 3 and the heat dissipation holes 21, so that the heat of the rubber layer 2 and the heat of the metal shaft center 1 are effectively dissipated into the surrounding air, the heat of the metal shaft center 1 and the heat of the rubber layer 2 are reduced, and the use effect of the charging roller is guaranteed; in addition, the outer corners of the two ends of the metal shaft center 1 are R corners 5, so that the clamping mechanism can be conveniently clamped, and the subsequent gears can be conveniently installed.

Referring to fig. 5-7, a clamping mechanism for clamping the above-mentioned novel developing roller, includes a clamping device, the clamping device is prior art, not shown in the drawings, the clamping device includes a first rotating head 41 and a second rotating head 42, which are oppositely disposed, and further includes a telescopic mechanism, the first rotating head 41 is rotatably mounted on the clamping device, the second rotating head 42 is connected with the telescopic mechanism, and the telescopic mechanism drives the second rotating head 42 to move, so as to clamp two ends of the metal shaft center 1 through the first rotating head 41 and the second rotating head 42, and is characterized in that: first swivel head 41 is including first roating seat 43 the outer end of first roating seat 43 is equipped with and inserts polygon inserted block A44 in polygon recess 4, second swivel head 42 is including second roating seat 45 the outer end of second roating seat 45 is equipped with polygon inserted block B46 and elastomeric element 47, polygon inserted block B46 is connected with elastomeric element 47 and can inserts in the polygon recess 4, be equipped with polygon inserted block A44 and polygon inserted block B46 on first swivel head 41 on the centre gripping equipment and second swivel head 42 respectively, insert polygon recess 4 through polygon inserted block A44 and polygon inserted block B46 in, improve the stability of centre gripping, can prevent that metal axle center 1 from landing and the phenomenon of skidding from taking place, stability when guaranteeing to grind, improve the yields.

Referring to fig. 3, a square groove 51 is formed in the outer end of the second rotating base 45, a square column 52 is movably arranged in the square groove 51, the outer end of the square column 52 is fixedly connected with a polygonal inserting block B46, the inner end of the square column 52 is connected with an elastic component 47, the elastic component 47 is a spring, one end of the spring abuts against the square column 52, and the other end of the spring abuts against the inner wall of the square groove 51, so that a buffering effect can be achieved, and the metal shaft center 1 can be prevented from being damaged.

Referring to fig. 4, the outer end edges of the polygonal insertion block a44 and the polygonal insertion block B46 are both inclined surfaces, and the multi-deformation groove 4 is inclined inward, so that the polygonal insertion block a44 and the polygonal insertion block B46 can be conveniently inserted into the multi-deformation groove 4.

Referring to fig. 3, a movable slot 81 is disposed at an outer end of the first rotating head 41, a top pillar 82 and a spring member 83 for keeping the top pillar 82 in an outward state are movably disposed in the movable slot 81, an outer end of the top pillar 82 abuts against an outer end of the metal shaft center 1, when the telescopic mechanism drives the second rotating shaft 42 to separate from the metal shaft center 1, the metal shaft center 1 is ejected out by a spring, so as to prevent the polygonal groove 4 from being blocked in the polygonal insertion block a44, thereby ensuring normal operation of the device.

Referring to fig. 2, a baffle 91 capable of limiting the metal shaft center 1 to move along the telescopic direction of the telescopic mechanism is arranged below the second rotating head 42 on the clamping device, when the telescopic mechanism drives the second rotating head 42 to separate from the metal shaft center 1, and when the polygonal groove 4 is clamped on the polygonal insertion block B46, the metal shaft center 1 can be limited by the baffle 91, and the metal shaft center 1 can be pulled out.

While there have been shown and described the fundamental principles and principal features of the utility model and advantages thereof with reference to the drawings, it will be understood by those skilled in the art that the utility model is not limited to the embodiments described above, which are given by way of illustration of the principles of the utility model, but that various changes and modifications may be made therein without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.

Claims (6)

1. The utility model provides a novel developing roller, locates rubber layer (2) on metal axle center (1) including metal axle center (1) and cover, its characterized in that: and corners at two ends of the metal shaft center (1) are both R corners (5).

2. A clamping mechanism for clamping the novel developing roller of claim 1, comprising a clamping device, the clamping device comprising a first rotating head (41) and a second rotating head (42) which are oppositely arranged, and further comprising a telescopic mechanism, the first rotating head (41) is rotatably mounted on the clamping device, the second rotating head (42) is connected with the telescopic mechanism, and the telescopic mechanism drives the second rotating head (42) to move, so that the two ends of the metal shaft center (1) are clamped by the first rotating head (41) and the second rotating head (42), and the clamping device is characterized in that: first rotating head (41) is including first roating seat (43) the outer end of first roating seat (43) is equipped with loudspeaker form bayonet socket A (400), the one end of metal axle center (1) is inserted and is located in loudspeaker form bayonet socket A (400), second rotating head (42) is including second roating seat (45) the outer end of second roating seat (45) is equipped with loudspeaker form bayonet socket B (401) and elastomeric element (47), loudspeaker form bayonet socket B (401) are connected with elastomeric element (47), the both ends of metal axle center (1) are inserted respectively and are located loudspeaker form bayonet socket A (400) and loudspeaker form bayonet socket B (401) in, just loudspeaker form bayonet socket A (400) all laminate on R angle (5) with the inside wall face of loudspeaker form bayonet socket B (401).

3. A clamping mechanism according to claim 2, wherein: the outer end of the second rotating seat (45) is provided with a square groove (51), a square column (52) is movably arranged in the square groove (51), the outer end of the square column (52) is fixedly connected with a horn-shaped bayonet B (401), and the inner end of the square column (52) is connected with an elastic component (47).

4. A clamping mechanism according to claim 3, wherein: the elastic component (47) is a spring, one end of the spring is abutted against the square column (52), and the other end of the spring is abutted against the inner wall of the square groove (51).

5. A clamping mechanism according to claim 2, wherein: the outer end of the first rotating head (41) is provided with a movable slot (81), a jack post (82) and a spring part (83) which enables the jack post (82) to keep an outward state are movably arranged in the movable slot (81), and the outer end of the jack post (82) extends out of a horn-shaped bayonet A (400) and abuts against the outer end of the metal shaft center (1).

6. A clamping mechanism according to claim 2, wherein: and a plurality of anti-slip strips (100) are uniformly distributed and arrayed on the inner side wall surfaces of the horn-shaped bayonet A (400) and the horn-shaped bayonet B (401) along the circumference.

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