Chuck assembly for automatically installing rollers

Abstract

The utility model discloses a chuck assembly for automatically installing a roller piece, which comprises a locking chuck and a locking jacket sleeved on the outer side of the locking chuck, one end of the locking jacket is provided with an installation position with a notch, and the end face of one end of the locking chuck located at the installation position is concavely provided with a fixing groove for fixing the roller piece. A limiting groove penetrating through the side wall of the fixing groove and the end face of one end of the locking chuck is formed in the side wall of the fixing groove, a guide face is arranged on the end face of one end of the locking chuck, and the other end of the locking chuck is connected with a first driving assembly driving the locking chuck to rotate in the axial direction of the locking chuck and a second driving assembly driving the locking chuck to move in the axial direction of the locking chuck. By arranging the guide face, the first driving assembly and the second driving assembly which enable the locking chuck to rotate around the axial direction of the locking chuck and move in the axial direction of the locking chuck, the locking chuck firstly abuts against the roller piece and rotates, the positioning column on the roller piece is clamped into the limiting groove along the guide face, roller piece installation is completed, and the problem that the installation difficulty is large is solved.

Description

TECHNICAL FIELD

[0001] The utility model relates to printing equipment technical field, concretely relates to a chuck assembly of automatic installation roller spare. BACKGROUND

[0002] The printing roller is a kind of accessory in printing equipment, and is one of important components indispensable to various printing mechanical equipment, and the main purpose of printing roller includes water and ink transmission, paper conveying, offset printing pressing and other functions, and in the process of use, since printing objects are different, corresponding printing roller needs to be replaced and printing roller is fixed by using roller chuck assembly on printing equipment.

[0003] The existing roller chuck assembly is fixed, the position of assembly is relatively compact, the space is small, and the roller chuck cannot move in the axial direction of printing roller, so that the replacement and installation difficulty is great, and there is inconvenience. UTILITY MODEL CONTENTS

[0004] The utility model provides a chuck assembly of automatic installation roller spare in view of the deficiency of prior art, which can realize automatic installation and clamping of roller spare, reduce the difficulty of replacement and installation, and improve the replacement efficiency of roller spare.

[0005] To achieve the above object, the utility model adopts the following technical scheme:

[0006] A chuck assembly of automatic installation roller spare, comprising a locking chuck and a locking sleeve sleeved on the outside of the locking chuck, one end of the locking sleeve is provided with a mounting position, the mounting position has a gap for facilitating the entry of the roller spare, a fixing groove for fixing the roller spare is recessed on the end face of one end of the locking chuck located in the mounting position, a limiting groove is opened in the side wall of the fixing groove, the limiting groove penetrates the side wall of the fixing groove and the end face of one end of the locking chuck, the end face of one end of the locking chuck is provided with a guide surface for enabling the positioning column on the roller spare to fall into the limiting groove, the other end of the locking chuck is connected with a first driving assembly for driving the locking chuck to rotate around the axial direction of itself and a second driving assembly for driving the locking chuck to move along the axial direction of itself, by providing the mounting position, the end face of one end of the locking chuck being provided with the guide surface for enabling the positioning column on the roller spare to fall into the limiting groove, and by providing the first driving assembly and the second driving assembly for enabling the locking chuck to rotate around the axial direction of itself and to move along the axial direction of itself, the locking chuck first abuts against the roller spare and rotates, the positioning column on the roller spare is clamped into the limiting groove along the guide surface, and the installation of the roller spare is completed, so that the problem of great installation difficulty is solved.

[0007] As a preferred scheme, the guide surface spirally extends along the circumferential direction of the end face of one end of the locking chuck.

[0008] As a preferred scheme, the depth of the fixing groove is greater than the depth of the limiting groove.

[0009] As a preferred scheme, the number of the limiting grooves is two, and the two limiting grooves are oppositely arranged, and the two limiting grooves divide the guide surface into two center-symmetrical guide surfaces.

[0010] As a preferred scheme, the inner side of the locking sleeve is provided with a limiting step for limiting the roller element, and the limiting step is provided with a chamfer at both ends of the gap.

[0011] As a preferred scheme, the first driving assembly is a motor, the locking chuck is in sliding connection with the output end of the motor and can be driven by the motor to rotate around the axial direction of the locking chuck, the output end of the motor is provided with a driving mounting seat on the outer side, the locking sleeve is fixedly installed on the driving mounting seat, and the second driving assembly is arranged on the driving mounting seat.

[0012] As a preferred scheme, the locking chuck is provided with a first bearing, the connecting rod is fixedly connected with the outer ring of the first bearing by penetrating the driving mounting seat, and the driving mounting seat is provided with a through groove for the connecting rod to move along the axial direction of the locking chuck.

[0013] As a preferred scheme, the axial direction of the connecting rod is perpendicular to the output direction of the cylinder, and the number of the cylinders is two, and the two cylinders are oppositely arranged on the outer side of the driving mounting seat.

[0014] As a preferred scheme, the locking chuck is provided with a connecting end in sliding connection with the output end of the motor, the connecting end is provided with a positioning protruding strip on the circumferential wall, the positioning protruding strip extends along the axial direction of the locking chuck, the output end of the motor is provided with a positioning groove matched with the shape of the connecting end, and when assembled, the connecting end is slid into the positioning groove.

[0015] As a preferred scheme, the driving mounting seat is provided with a second bearing in the driving mounting seat, and the driving mounting seat is provided with the second bearing on the outer side of the output end of the motor.

[0016] Compared with the prior art, the utility model has obvious advantages and beneficial effects, specifically, through setting the mounting position, the one end surface of the locking chuck is provided with the guide surface for enabling the positioning column on the roller element to fall into the limiting groove, and the first driving assembly and the second driving assembly for enabling the locking chuck to rotate around the axial direction and move along the axial direction are arranged, the locking chuck first abuts against the roller element and rotates, the positioning column on the roller element is clamped into the limiting groove along the guide surface, automatic installation and clamping of the roller element are realized, the difficulty of replacement and installation is reduced, and the roller element replacement efficiency is improved.

[0017] To make the structure, technical means and achieved purposes and functions of the utility model clearer, the utility model will be further described in detail in combination with the drawings and specific embodiments. Attached Figure Description

[0018] Fig. 1 This is a schematic diagram of the assembly structure of an embodiment of the present utility model;

[0019] Fig. 2 This is a schematic diagram of the internal structure of an embodiment of the present utility model;

[0020] Fig. 3 This is a schematic diagram of the locking clamp in the extended state according to an embodiment of the present invention;

[0021] Explanation of reference numerals in the attached diagram:

[0022] 10-Fixing groove; 11-Limiting groove; 12-Guide surface; 13-Connecting end; 14-Positioning protrusion; 15-First bearing;

[0023] 20 - Installation position; 21 - Notch; 22 - Limiting step; 23 - Chamfer;

[0024] 30-Motor; 31-Positioning groove; 32-Drive mounting base; 33-Through groove; 34-Cylinder; 35-Connecting rod; 36-Second bearing;

[0025] 40 - Roller; 41 - Positioning pin. Detailed Implementation

[0026] In the description of this utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing the utility model and simplifying the description, and do not indicate or imply that the position or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0027] In the description of this utility model, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "joining" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0028] like Figs. 1-3The utility model discloses a chuck assembly of automatic installation roller piece, including locking chuck and the locking sleeve of locking chuck outside setting, locking sleeve one end is equipped with installation site 20, installation site 20 has the gap 21 of easy roller piece 40 entry, the fixed groove 10 of fixed roller piece 40 is recessed to the one end face of installation site 20 of locking chuck, the lateral wall of fixed groove 10 is opened and is equipped with the limiting groove 11, limiting groove 11 penetrates the lateral wall of fixed groove 10 and the end face of one end of locking chuck, the one end face of locking chuck is equipped with the guide surface 12 of making the positioning column 41 on roller piece 40 fall into limiting groove 11, and the first drive assembly of driving locking chuck rotates around the axial direction of itself and the second drive assembly of driving locking chuck moves along the axial direction of itself are connected to the other end of locking chuck, through setting installation site 20, the one end face of locking chuck is equipped with the guide surface 12 of making the positioning column 41 on roller piece 40 fall into limiting groove 11, and setting the first drive assembly and the second drive assembly of making locking chuck rotate around the axial direction of itself and move along the axial direction of itself, locking chuck first resists roller piece 40 and rotates, and the positioning column 41 on roller piece 40 is clamped into limiting groove 11 along guide surface 12, completes roller piece 40 installation, solves the problem of difficult installation.

[0029] The guide surface 12 helically extends along the circumferential direction of the one end face of the locking chuck; the depth of the fixed groove 10 is greater than the depth of the limiting groove 11; the number of the limiting grooves 11 is two, and the two limiting grooves 11 are oppositely arranged, and the two limiting grooves 11 divide the guide surface 12 into two center-symmetric guide surfaces 12; by arranging the guide surface 12, the positioning column 41 of the roller piece 40 is guided, so that when the roller piece 40 abuts against the chuck assembly, the positioning column 41 can be embedded in the limiting groove 11 along the guide surface 12; by arranging the depth of the fixed groove 10 to be greater than the depth of the limiting groove 11, the installation stability of the roller piece 40 can be improved.

[0030] The inner side of the locking sleeve is provided with a limiting step 22 for limiting the roller piece 40, and the limiting step 22 is provided with a chamfer 23 at both ends of the gap 21; by arranging the limiting step 22 and the chamfer 23, the roller piece 40 can be easily inserted into the installation site 20, and the installation is facilitated.

[0031] The first driving assembly is a motor 30, the locking chuck is in sliding connection with the output end of the motor 30 and can be driven to rotate around the axial direction of the locking chuck by the motor 30, the outer side of the output end of the motor 30 is sleeved with a driving mounting seat 32, the locking chuck is fixedly installed on the driving mounting seat 32, and the second driving assembly is arranged on the driving mounting seat 32; the second driving assembly is a cylinder 34, the cylinder 34 drives the locking chuck to move along the axial direction of the locking chuck through a connecting rod 35; the locking chuck is provided with a first bearing 15, the cylinder 34 is fixedly connected with the outer ring of the first bearing 15 through the connecting rod 35 penetrating the driving mounting seat 32, and the driving mounting seat 32 is provided with a through groove 33 for the connecting rod 35 to move along the axial direction of the locking chuck; the axial direction of the connecting rod 35 is perpendicular to the output direction of the cylinder 34, and the number of the cylinder 34 is two; the two cylinders 34 are oppositely arranged on the outer side of the driving mounting seat 32; the locking chuck has a connecting end 13 for sliding connection with the output end of the motor 30, the connecting end 13 is provided with a positioning convex strip 14 on the lateral wall, the positioning convex strip 14 extends along the axial direction of the locking chuck, the output end of the motor 30 is provided with a positioning groove 31 matched with the shape of the connecting end 13, and the connecting end 13 is slidingly inserted into the positioning groove 31 during assembly; through the positioning convex strip 14 and the positioning groove 31, the locking chuck can be slidingly inserted into the positioning groove 31, so that the motor 30 can drive the locking chuck to rotate around the axial direction of the locking chuck, and the locking chuck can slide in the positioning groove 31; through the first bearing 15, the cylinder 34 and the connecting rod 35, the locking chuck can rotate, and the cylinder 34 can drive the first bearing 15 to move through the connecting rod 35, so that the locking chuck rotates and moves along the axial direction of the locking chuck at the same time.

[0032] The driving mounting seat 32 is provided with a second bearing 36, and the driving mounting seat 32 is sleeved on the outer side of the output end of the motor 30 through the second bearing 36; through the second rotating shaft, the driving mounting seat 32 can be sleeved on the outer side of the output end of the motor 30 without affecting the rotation of the motor 30.

[0033] The use method of the utility model: the roller 40 is placed in the installation site 20, the rotating shaft on the roller 40 is located in the limiting step 22, the motor 30 drives the locking chuck to rotate, and the cylinder 34 drives the locking chuck to move to the roller 40, so that one end of the roller 40 is inserted into the fixed groove 10, the positioning column 41 on the roller 40 is clamped into the limiting groove 11 along with the rotation of the guide surface 12, and the installation of the roller 40 is completed; when disassembling, only the cylinder 34 is driven to make the locking chuck away from the roller 40, and then the roller 40 can be taken down.

[0034] In summary, the utility model discloses through setting installation site 20, the one end face of locking chuck is equipped with the guide surface 12 of making the positioning post 41 on roll piece 40 fall into the limiting groove 11, and sets up the first drive component and second drive component of making locking chuck rotate around the axial direction of itself and move along the axial direction of itself, and locking chuck first stops against roll piece 40 and rotates, makes the positioning post 41 on roll piece 40 along guide surface 12 and clamps into limiting groove 11, realizes the automatic installation clamping of roll piece 40, reduces the difficulty of replacement installation, improves roll piece 40 replacement efficiency.

[0035] The above is only the preferred embodiment of the utility model, and does not limit the utility model, so any modification, equivalent replacement, improvement, etc. of the above embodiment according to the technical actuality of the utility model still belongs to the range of the technical scheme of the utility model.

Claims

1. A chuck assembly for automatically installing rollers, characterized in that: The device includes a locking chuck and a locking sleeve fitted around the outside of the locking chuck. One end of the locking sleeve has a mounting position with a notch to facilitate the entry of a roller. The end face of the locking chuck at the mounting position has a fixing groove for fixing the roller. The side wall of the fixing groove has a limiting groove that penetrates the side wall of the fixing groove and the end face of one end of the locking chuck. One end face of the locking chuck has a guide surface that allows a positioning pin on the roller to fall into the limiting groove. The other end of the locking chuck is connected to a first driving assembly for driving the locking chuck to rotate around its own axial direction and a second driving assembly for driving the locking chuck to move along its own axial direction.

2. The chuck assembly for automatically installing rollers according to claim 1, characterized in that, The guide surface extends spirally along the circumferential direction of one end face of the locking clamp.

3. The chuck assembly for automatically installing rollers according to claim 2, characterized in that, The depth of the fixing groove is greater than the depth of the limiting groove.

4. The chuck assembly for automatically installing rollers according to claim 3, characterized in that, The number of limiting grooves is two, and the two limiting grooves are arranged opposite to each other, dividing the guide surface into two centrally symmetrical guide surfaces.

5. The chuck assembly for automatically installing rollers according to claim 1, characterized in that, The inner side of the locking sleeve is provided with a limiting step to limit the movement of the roller, and both ends of the limiting step relative to the notch are provided with chamfers.

6. The chuck assembly for automatically installing rollers according to claim 1, characterized in that, The first driving component is a motor. The locking clamp is slidably connected to the output end of the motor and can be driven by the motor to rotate around its own axial direction. A driving mounting base is sleeved on the outer side of the output end of the motor. The locking clamp is fixedly mounted on the driving mounting base. The second driving component is a cylinder. The cylinder drives the locking clamp to move along its own axial direction through a connecting rod.

7. The chuck assembly for automatically installing rollers according to claim 6, characterized in that, The locking chuck is provided with a first bearing, and the cylinder is fixedly connected to the outer ring of the first bearing through the drive mounting seat via a connecting rod. The drive mounting seat is provided with a through groove for the connecting rod to move along the axial direction of the locking chuck.

8. The chuck assembly for automatically installing rollers according to claim 7, characterized in that, The axial direction of the connecting rod is perpendicular to the output direction of the cylinder. There are two cylinders, which are arranged opposite each other on the outside of the drive mounting base.

9. A chuck assembly for automatically installing rollers according to claim 6, characterized in that, The locking clamp has a connecting end that is slidably connected to the output end of the motor. The peripheral wall of the connecting end is provided with a positioning protrusion. The positioning protrusion extends along the axial direction of the locking clamp. The output end of the motor is provided with a positioning groove that is adapted to the shape of the connecting end. During assembly, the connecting end is slidably inserted into the positioning groove.

10. A chuck assembly for automatically installing rollers according to claim 6, characterized in that, The drive mounting base is provided with a second bearing, and the drive mounting base is sleeved on the outside of the output end of the motor through the second bearing.

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