CN109128780B

CN109128780B - Shaft sleeve clamping device of roller mandrel

Info

Publication number: CN109128780B
Application number: CN201811337947.6A
Authority: CN
Inventors: 李景照; 梁厚超; 李卫
Original assignee: Shunde Polytechnic
Current assignee: Shunde Polytechnic
Priority date: 2018-11-12
Filing date: 2018-11-12
Publication date: 2023-09-22
Anticipated expiration: 2038-11-12
Also published as: CN109128780A

Abstract

The invention discloses a shaft sleeve clamping device of a roller mandrel, which comprises a clamping seat and a shaft sleeve pushing and clamping tool, and is characterized in that: the clamping seat comprises a T-shaped seat and a pair of side arms movably mounted on two sides of a supporting body of the T-shaped seat, the shaft sleeve pushing clamp tool comprises a first support, a cylinder push rod assembly and a boosting block, the boosting block is arranged at the tail end of a feeding channel of the first support, the boosting block is hinged to the first support and comprises a boosting arm and a shaft blocking arm, and the boosting arm passively pushes away the side arms of the clamping seat in the process that the shaft sleeve is pushed towards the clamping seat by the push rod, so that the shaft sleeve smoothly enters a clamping cavity of the clamping seat. The invention adopts the T-shaped seat and the elastic side arm to form the clamping cavity of the shaft sleeve, and the shaft sleeve pushing and clamping tool keeps the shaft sleeve upright and smoothly enters the clamping cavity through the boosting block, so that the special device for shaft sleeve assembly is provided, the manual operation is greatly reduced, and the assembly efficiency and the assembly quality are effectively improved.

Description

Shaft sleeve clamping device of roller mandrel

Technical Field

The invention belongs to the technical field of mechanical assembly processing production, and particularly relates to a shaft sleeve clamping device of a roller mandrel.

Background

In the construction of building decorations, a paint roller is typically used to brush paint to a wall. During construction, the paint roller brush is immersed in a paint barrel, then lifted up, the surface of the roller brush is fully covered with paint, and then the roller brush is rolled on a wall for feeding. The structure of cylinder brush includes dwang, brush section of thick bamboo, brush hair, and the brush hair is installed at the outer wall of brush section of thick bamboo, and the dwang inserts in the brush section of thick bamboo, and the brush section of thick bamboo can roll relative dwang, consequently, is provided with slewing mechanism between dwang and the brush section of thick bamboo, and this slewing mechanism is accomplished by cylinder dabber, and cylinder dabber includes axle sleeve and plug clip, and the axle sleeve is fixed at brush section of thick bamboo tip, and the middle part of axle sleeve is equipped with the inner chamber that can loosely hold plug clip, and the inner chamber has the opening at the outer wall of axle sleeve, stretches out a pair of fin in the integrative of this opening both sides, and this fin is used for preventing to be plugged into the plug clip of inner chamber and falls out from the inside. The two ends of the shaft sleeve penetrate through the center line of the shaft sleeve and are provided with rotating rod holes, the rubber plug clip is of a cylindrical structure, the middle part of the rubber plug clip is also provided with the rotating rod holes, and the rotating rods are inserted into the inner cavity from the shaft sleeve rotating rod holes and are tightly assembled in the rotating rod holes of the rubber plug clip, so that the brush cylinder can roll around the rotating rod.

At present, the assembly of the roller mandrel is completed manually, and a rubber plug clip is manually plugged into an inner cavity of the shaft sleeve from an opening of the shaft sleeve, so that the process is very time-consuming and labor-consuming and has low efficiency. Therefore, the inventor designs a set of automatic assembly equipment, through with axle sleeve location clamp, pushes the plug clip into the axle sleeve inner chamber with the cylinder push rod again to automation equipment replaces manual operation, improves production efficiency greatly, reduction in production cost.

Disclosure of Invention

The invention aims to provide a shaft sleeve clamping device of a roller mandrel, which can orderly arrange and directionally clamp shaft sleeves of a roller brush one by one, and provide support for the follow-up sleeving of rubber plug clamps, and the whole process is completed automatically without manual operation.

The technical scheme for solving the technical problems is as follows: the shaft sleeve clamping device of the roller mandrel comprises a clamping seat and a shaft sleeve pushing and clamping tool, and is characterized in that: the clamping seat comprises a T-shaped seat and a pair of side arms movably mounted on two sides of a supporting body of the T-shaped seat, the shaft sleeve pushing clamp tool comprises a first support, a cylinder push rod assembly and a boosting block, the boosting block is arranged at the tail end of a feeding channel of the first support, the boosting block is hinged to the first support and comprises a boosting arm and a shaft blocking arm, and the boosting arm passively pushes away the side arms of the clamping seat in the process that the shaft sleeve is pushed towards the clamping seat by the push rod, so that the shaft sleeve smoothly enters a clamping cavity of the clamping seat.

The side arms are internally provided with spring holes, and the ends of springs in the spring holes are abutted against the T-shaped seat, so that the pair of side arms are tightly combined and folded towards the supporting body.

The support body of T shape seat sets up the installation cavity, and the inboard of side arm is equipped with the installation piece, the installation piece stretches into the installation intracavity, the side arm articulates on the support body.

The boosting block is L-shaped, the shaft blocking arm is positioned at the tail end of the feeding channel, the boosting arm is arranged on a channel of the push rod stroke, a wedge surface is arranged on the outer side wall of the free end of the boosting arm, and the inner side wall of the free end of the boosting arm is matched with the shaft sleeve in shape.

The cylinder push rod assembly comprises a driving cylinder and a push rod seat, and a main push rod and an auxiliary push rod are arranged on the push rod seat in parallel from top to bottom.

The clamping seat is arranged on a workbench driven by a motor to rotate, and the shaft sleeve pushing clamp tool is arranged on the periphery of the workbench.

The beneficial effects of the invention are as follows:

the invention adopts the T-shaped seat and the elastic side arm to form the clamping cavity of the shaft sleeve, and the shaft sleeve pushing and clamping tool keeps the shaft sleeve upright and smoothly enters the clamping cavity through the boosting block, so that the special device for shaft sleeve assembly is provided, the manual operation is greatly reduced, and the assembly efficiency and the assembly quality are effectively improved.

The push rod has simple structure and scientific and reasonable design.

The system can replace the traditional labor operation with heavy labor, greatly improves the production efficiency and can better ensure the yield and quality of products.

Drawings

Fig. 1 is a schematic structural view of a roller mandrel assembly apparatus using the sleeve clamping device of the present invention.

Fig. 2 is a schematic perspective view of a shaft sleeve clamping device of the present invention.

Fig. 3 is a top view of the sleeve clamping device of the present invention.

Fig. 4 is another perspective view of the sleeve clamping device of the present invention.

Fig. 5 is a schematic view of a side arm structure of a clamping seat according to the present invention.

Fig. 6 is a schematic view of a T-shaped holder structure of the present invention.

Fig. 7 is a schematic view of the sleeve structure of the present invention.

Fig. 8 is a schematic view of the structure of the rubber stopper clip of the present invention.

Detailed Description

Embodiments of the present invention are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the invention.

In the description of the present invention, it should be understood that the terms "center," "lateral," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," "outer," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present invention and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention. Unless otherwise indicated, the meaning of "a plurality" is two or more.

In the description of the present invention, it should be noted that the terms "mounted," "connected," and "coupled" are to be construed broadly, as well as fixedly coupled, for example, unless explicitly stated or limited otherwise. Or can be detachably connected or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. It will be understood by those of ordinary skill in the art that the terms described above are in the specific sense of the present invention.

Referring to fig. 1-8, the present invention provides a sleeve clamping device for a roller spindle for positioning and clamping a sleeve 20 of a paint roller brush roller spindle in preparation for a subsequent assembly process. The roller core shaft consists of a shaft sleeve 20 and a rubber plug clip 30, the shaft sleeve is fixed at the end part of the brush cylinder, the rubber plug clip is placed in a loose inner cavity in the middle part of the shaft sleeve, and a rotating rod of the paint roller brush is tightly inserted into the rubber plug clip, so that the roller of the paint roller brush can freely roll on the rotating rod. The sleeve inner cavity has an opening 201 in the outer wall of the sleeve, and a pair of tabs 202 integrally extend from both sides of the opening, the tabs being used to prevent the plug clip inserted into the inner cavity from falling out of the sleeve. The center line that runs through the axle sleeve at axle sleeve both ends is equipped with axle sleeve dwang hole 203, and the plug clip is tubular structure, and its middle part also is equipped with clip dwang hole 303, and the dwang gets into the inner chamber from axle sleeve dwang hole 203 to insert clip dwang hole 303 and form close-fitting connection, the plug clip is equipped with opening seam 301 at the lateral wall, makes plug clip elastic gripping dwang.

Referring to fig. 1, the assembly device of the roller mandrel comprises a machine base 1, a rotary workbench 10, a vibration disc (comprising a shaft sleeve rotary vibration disc 2 and a rubber plug clamp rotary vibration disc 4), wherein the rotary workbench 10 is installed on the machine base and driven to rotate by a motor, a plurality of clamping seats 3 are circumferentially uniformly distributed on the rotary workbench 10, and different working procedure processing facilities are arranged on the machine base corresponding to all or part of the clamping seats, and the assembly device comprises a shaft sleeve pushing clamp tool 21 for pushing the shaft sleeve 20 into the clamping seats 3 by air pressure, a centering tool 31 for centering the opening position of the inner cavity of the shaft sleeve, a rubber plug clamp pushing clamp tool 41 for pushing the rubber plug clamp 30 into the inner cavity of the shaft sleeve 20 by air pressure, and a blanking mechanism. The machine base is also provided with a shaft sleeve rotary vibration disc 2 and a shaft sleeve feeding line 22 which are used for orderly arranging the shaft sleeve 20, a rubber plug clip rotary vibration disc 4 and a rubber plug clip feeding pipe 42 which are used for orderly arranging the rubber plug clips 30. The machine base is also provided with a PLC control console 5. The rotary table 10 is driven by the PLC control console 5 to rotate in a stepping manner at a fixed rhythm, so that the clamping seat 3 clamped with the shaft sleeve 20 passes through each process machining facility according to steps including, but not limited to, the shaft sleeve pushing and clamping tool 21, the centering tool 31 and the rubber plug clip pushing and clamping tool 41, and the PLC control console 5 controls each process machining facility to act, so that the assembly task of the roller mandrel is completed in a line production manner.

The rotary vibration disk is a feeding equipment capable of automatically and directionally sorting, when the rotary vibration disk is in operation, a continuous force with a certain frequency is applied to the disk, so that the rotary vibration disk is subjected to high-speed high-frequency micro-amplitude vibration in the up-down and circumferential directions, workpieces (the shaft sleeve 20 and the rubber plug clips 30) are obliquely thrown and advanced, a specific oblique track is usually designed on the periphery of the material disk, the workpieces in the material disk are gradually moved to a high position, during the process, the workpieces with incorrect placement directions ride on the track of the vibration disk along with the vibration of the vibration disk, and fall back into the hopper after reaching a certain position, so that the unordered workpieces are automatically and orderly aligned in an oriented manner and are accurately conveyed to a next procedure. For example, a vertical beam is provided on the rotating vibration plate 2 of the shaft sleeve, which facilitates the bearing of the groove 204 of the shaft sleeve, so that when the shaft sleeve 20 leaves the vibration plate, the opening 201 of the shaft sleeve is uniformly oriented in a direction opposite to the clamping seat 3 and is sent to the front of the shaft sleeve pushing clamp tool 21. And the rubber stopper clamps 30 are arranged by the rubber stopper clamp rotary vibration disc 4 and then enter the rubber stopper clamp feeding pipe 42 one by one.

Fig. 2-4 clearly reflect the structural features of the sleeve clamping device of the roller spindle from different angles. As shown in fig. 2-6, the clamping seat is composed of a T-shaped seat 23 and a pair of side arms 24 movably mounted at two sides of the seat body, a mounting cavity 233 is provided on a supporting body 231 of the T-shaped seat, a working wall surface 232 of the supporting body 231 is adapted to the outer profile of the shaft sleeve, a pin hole 234 is provided in the axial direction of the supporting body 231, an inner side wall surface 241 of the side arms 24 is also adapted to the outer profile of the shaft sleeve, and a clamping cavity for wrapping the clamping shaft sleeve is formed by the working wall surface 232 and the pair of side wall surfaces 241. The inner side of the side arm 24 is provided with a mounting block 242, the mounting block 242 stretches into the mounting cavity 233 and is hinged by a pin, a spring hole 243 is formed in the side arm 24, the spring is sleeved in the spring hole 243, the other end of the spring abuts against the surface of the T-shaped seat 23, so that the side arm 24 is tightly closed and gathered towards the supporting body 231, and when the external force overcomes the elasticity of the spring, the side arm pair can be pulled out by a certain angle to avoid the entering of the shaft sleeve.

The shaft sleeve pushing clamp tool 21 comprises a first support 29, a cylinder push rod assembly and a boosting block 25, wherein the first support 29 is provided with a feeding channel, a shaft sleeve is fed into the feeding channel along a shaft sleeve feeding line 22, the tail end of the feeding channel is provided with the boosting block 25, the boosting block 25 is L-shaped and consists of a boosting arm and a shaft blocking arm, the shaft blocking arm is hinged to the support, the shaft blocking arm is positioned at the tail end of the feeding channel, the continuous advancing of the shaft sleeve is limited, the boosting arm 251 is arranged on a stroke channel of the push rod, the shaft sleeve is firstly supported by two arms, the shaft sleeve is kept in an upright state, when the push rod works, the pushing force is transmitted to the boosting arm 251 by the shaft sleeve, the boosting block 25 rotates around a hinge shaft, the outer side wall of the free end of the boosting arm is provided with a wedge surface, and the inner side wall shape of the free end of the boosting arm is matched with the shaft sleeve. The booster arm 251 pushes the side arm 24 on one side, and the sleeve smoothly enters the holding chamber defined by the working wall surface 232 and the pair of side wall surfaces 241. The cylinder push rod assembly comprises a driving cylinder and a push rod seat, wherein a main push rod 26 and an auxiliary push rod 28 are arranged on the push rod seat side by side up and down, the main push rod 26 is propped against the side wall of a shaft sleeve head 206, the auxiliary push rod 28 extends into an inner cavity 201 of the shaft sleeve from an opening of the shaft sleeve, and a pushing head of the auxiliary push rod 28 is wedge-shaped and has a tip easy to enter the inner cavity.

While embodiments of the present invention have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the invention, the scope of which is defined by the claims and their equivalents, and modifications which are not to be construed as being within the scope of the invention.

Claims

1. The utility model provides a shaft sleeve clamping device of cylinder dabber, includes grip slipper, axle sleeve push away press from both sides frock, its characterized in that: the clamping seat comprises a T-shaped seat and a pair of side arms movably arranged on two sides of a supporting body of the T-shaped seat, the shaft sleeve pushing clamp tool comprises a first support, a cylinder push rod assembly and a boosting block, the boosting block is arranged at the tail end of a feeding channel of the first support and is hinged to the first support, the boosting block comprises a boosting arm and a shaft blocking arm, and the boosting arm passively pushes the side arms of the clamping seat away in the process that the shaft sleeve is pushed to the clamping seat by the push rod, so that the shaft sleeve smoothly enters a clamping cavity of the clamping seat;

the support body of the T-shaped seat is provided with an installation cavity, the working wall surface of the support body is matched with the outer molded surface of the shaft sleeve, the support body is axially provided with a pin hole, the inner side wall surface of the side arm is also matched with the outer molded surface of the shaft sleeve, and the working wall surface and the pair of side wall surfaces jointly surround to form a clamping cavity for wrapping the clamping shaft sleeve; the inner side of the side arm is provided with a mounting block which stretches into the mounting cavity and is hinged through a pin, a spring hole is formed in the side arm, the spring is sleeved in the spring hole, and the other end of the spring is abutted against the surface of the T-shaped seat, so that the side arm is tightly combined and gathered towards the support body, and when the external force overcomes the elasticity of the spring, the side arm can be pulled open for a certain angle to avoid the entering of the shaft sleeve; the shaft sleeve pushing and clamping tool pushes the shaft sleeve on the shaft sleeve feeding line into the clamping seat through the cylinder push rod assembly, and the two side arms tightly clamp the shaft sleeve under the action of the springs;

the first support is provided with a feeding channel, the shaft sleeve is fed into the feeding channel along the shaft sleeve feeding line, the tail end of the feeding channel is provided with the boosting block, the boosting block is L-shaped and consists of a boosting arm and a shaft blocking arm, the boosting block is hinged to the support, the shaft blocking arm is positioned at the tail end of the feeding channel, the continuous advancing of the shaft sleeve is limited, the boosting arm supports the shaft sleeve by double arms on a travel channel of the push rod, the shaft sleeve is kept in an upright state, when the push rod works, thrust is transmitted to the boosting arm by the shaft sleeve, the boosting block rotates around a hinge shaft, the outer side wall of the free end of the boosting arm is provided with a wedge surface, and the inner side wall shape of the free end of the boosting arm is matched with the shaft sleeve; the boosting arm pushes the side arm on one side away, so that the shaft sleeve smoothly enters a clamping cavity which is jointly surrounded by the working wall surface and the pair of side wall surfaces;

the rotary workbench is driven by the PLC control console to rotate in a stepping mode at a fixed rhythm, so that the clamping seat clamped with the shaft sleeve passes through each process processing facility according to steps.

2. The sleeve clamping device of a roller mandrel as claimed in claim 1, wherein: the boosting block is L-shaped, the shaft blocking arm is positioned at the tail end of the feeding channel, the boosting arm is arranged on a channel of the push rod stroke, a wedge surface is arranged on the outer side wall of the free end of the boosting arm, and the inner side wall of the free end of the boosting arm is matched with the shaft sleeve in shape.

3. The sleeve clamping device of a roller mandrel as claimed in claim 2, wherein: the cylinder push rod assembly comprises a driving cylinder and a push rod seat, and a main push rod and an auxiliary push rod are arranged on the push rod seat in parallel from top to bottom.

4. A sleeve clamping device for a roller spindle as claimed in claim 3, wherein: the clamping seat is arranged on a workbench driven by a motor to rotate, and the shaft sleeve pushing clamp tool is arranged on the periphery of the workbench.