阅读说明：本技术 取物机天车的滑轮组件及具有该滑轮组件的取物机天车 (Pulley component of fetching machine crown block and fetching machine crown block with same ) 是由 魏铭山 于 2020-04-30 设计创作，主要内容包括：本发明提供一种滑轮组件及具有该滑轮组件的取物机天车,用以解决现有夹物机的天车在移动时,无法准确定位的问题。包括：一个轮体,具有一个毂部及两个轮盘,两个轮盘位于该毂部相对两端,该毂部的外周面与两个轮盘之间共同形成一个外环槽；及一个止滑套,可拆卸地套接于该外环槽中。该滑轮组件可以使用于一个取物机天车。(The invention provides a pulley assembly and an article taking machine crown block with the same, which are used for solving the problem that the crown block of the existing article taking machine cannot be accurately positioned when moving. The method comprises the following steps: the wheel body is provided with a hub and two wheel discs, the two wheel discs are positioned at two opposite ends of the hub, and an outer ring groove is formed between the outer peripheral surface of the hub and the two wheel discs; and the sliding stopping sleeve is detachably sleeved in the outer annular groove. The pulley assembly can be used for an extractor crown block.)

1. A pulley assembly of a crane crown block of a fetching machine is characterized by comprising:

the wheel body is provided with a hub and two wheel discs, the two wheel discs are positioned at two opposite ends of the hub, and an outer ring groove is formed between the outer peripheral surface of the hub and the two wheel discs; and

and the sliding stop sleeve is detachably sleeved in the outer ring groove.

2. The pulley assembly of claim 1, wherein the hub has an inner annular groove disposed along the outer annular groove, and the anti-slip sleeve is at least partially disposed in the inner annular groove.

3. The pulley assembly of claim 2, wherein the inner annular groove is located in the middle of the outer annular groove.

4. The pulley assembly of claim 2, wherein the hub has an axially extending axial bore, and the pulley body has a through hole communicating with the axial bore, the through hole being located in the inner annular groove.

5. The pulley assembly of the picking machine crown block as claimed in claim 1, further comprising a driven wheel disposed on a side surface of a wheel disc of the wheel body, wherein the driven wheel has a ring groove on an outer circumferential surface thereof.

6. The pulley assembly of the picking machine crown block of claim 5, wherein the cross-sectional shape of the ring groove is a V-shaped design.

7. An overhead traveling crane of a fetching machine, comprising the pulley assembly as claimed in any one of claims 1 to 6, wherein the overhead traveling crane of a fetching machine comprises two longitudinal rails disposed in parallel and opposite to each other, a driving device extends through the pulley body via a rotating shaft, the rotating shaft is combined with the pulley body and a first auxiliary wheel of the pulley assembly, the driving device further comprises a driving member, the driving member drives the rotating shaft to rotate, so as to drive the pulley body and the first auxiliary wheel of the pulley assembly to move on the two longitudinal rails, respectively.

8. The crown block of claim 7, further comprising a traverse device having a driven plate, two transverse rails parallel to and respectively disposed between the driven plate and the driving device, and a driver slidably coupled to the two transverse rails and driving a gripping jaw.

Technical Field

The present invention relates to a pulley assembly, and more particularly to a pulley assembly with a stopper and a crown block of a fetching machine having the same.

Background

Please refer to fig. 1, which shows a pulley assembly 9 of an object clamping machine, wherein the pulley assembly 9 of the object clamping machine has two longitudinal rails 91 and a longitudinal driver 92, and the two longitudinal rails 91 are parallel to each other; the longitudinal driver 92 has a first end 921 and a second end 922 opposite to each other, the first end 921 is provided with a first pulley 93, the second end 922 is provided with a driven plate 94, the driven plate 94 is provided with a second pulley 95, the longitudinal driver 92 is connected to the first pulley 93 and the second pulley 95 by a wheel axle 96, and a motor drives the wheel axle 96 to rotate so as to drive the first pulley 93 and the second pulley 95 to synchronously rotate, thereby driving the longitudinal driver 92 to move back and forth on the two longitudinal rails 91. An embodiment of a pulley assembly 9 similar to the article clamping machine is disclosed in taiwan patent No. M327244.

In the pulley assembly 9 of the conventional article clamping machine, the motor drives the first pulley 93 and the second pulley 95 to move on the two longitudinal rails 91, but the first pulley 93 and/or the second pulley 95 may slip on the two longitudinal rails 91 under the influence of inertia force generated by acceleration and deceleration of the motor, so that the longitudinal driver 92 has a problem of poor positioning accuracy.

In view of the above, there is still a need for an improved pulley assembly of the conventional object clamping machine.

Disclosure of Invention

In order to solve the above problems, an object of the present invention is to provide a pulley assembly of a crown block of a fetching machine, which can prevent a pulley from slipping when moving on a slide rail.

The invention further aims to provide an extractor crown block with the pulley assembly, which can move to a correct position.

All directions or similar expressions such as "front", "back", "left", "right", "top", "bottom", "inner", "outer", "side", etc. are mainly referred to the directions of the drawings, and are only used for assisting the description and understanding of the embodiments of the present invention, and are not used to limit the present invention.

The use of the terms a or an for the elements and components described throughout this disclosure are for convenience only and provide a general sense of the scope of the invention; in the present invention, it is to be understood that one or at least one is included, and a single concept also includes a plurality unless it is obvious that other meanings are included.

The terms "coupled," "combined," and "assembled" as used herein include the separation of components without damaging the components after they are connected, and the separation of components after they are connected, which can be selected by those skilled in the art according to the material and assembly requirements of the components to be connected.

The invention relates to a pulley component of a crown block of a fetching machine, which comprises: the wheel body is provided with a hub and two wheel discs, the two wheel discs are positioned at two opposite ends of the hub, and an outer annular groove is formed between the outer peripheral surface of the hub and the two wheel discs; and the sliding-stopping sleeve is detachably sleeved on the peripheral surface of the hub part and is positioned in the outer ring groove.

The crown block of the fetching machine comprises two longitudinal rails which are parallel and opposite to each other, a driving device penetrates through the wheel body through a rotating shaft, the rotating shaft is combined with the wheel body and a first auxiliary wheel of the pulley assembly, and the driving device further comprises a driving piece which drives the rotating shaft to rotate so as to drive the wheel body and the first auxiliary wheel of the pulley assembly to move on the two longitudinal rails respectively.

Therefore, the pulley assembly of the crown block of the fetching machine can be sleeved with the anti-slip sleeve on the outer annular groove of the pulley body, so that the pulley body can be prevented from slipping when moving back and forth on the slide rail through the anti-slip effect of the anti-slip sleeve when moving on the slide rail, and the crown block can be moved to a correct position when the pulley assembly is used for the crown block of the fetching machine, so that the positioning accuracy of the crown block is improved.

Wherein, the hub part is provided with an inner ring groove which is arranged along the outer ring groove, and the anti-slip sleeve is at least partially positioned in the inner ring groove. Therefore, the anti-slip sleeve can be limited in the inner ring groove, so that in the process that the wheel body rotates on the slide rail of the crown block, the anti-slip sleeve can enable the wheel body and the slide rail to have larger friction force, so as to prevent the wheel body from slipping on the slide rail, and the anti-slip effect is improved.

Wherein, the inner ring groove is positioned in the middle of the outer ring groove. Therefore, when the wheel body rotates on the slide rail, the anti-slip sleeve can be ensured to be positioned in the outer ring groove, so that the wheel body is prevented from slipping on the slide rail, and the anti-slip effect is improved.

The hub has one axial extending shaft hole, and the wheel body has one through hole communicated to the shaft hole and inside the inner ring groove. Therefore, a limiting member can penetrate through the through hole and abut against the rotating shaft, so that the wheel body and the rotating shaft can rotate integrally.

The pulley component of the crown block of the fetching machine can also comprise a driven wheel, the driven wheel is positioned on the side surface of a wheel disc of the wheel body, and the peripheral surface of the driven wheel is provided with a ring groove. Therefore, the crown block can be sleeved in the annular groove of the driven wheel and an auxiliary wheel through a transmission element, so that the crown block can move stably on the slide rail, and the crown block has the effect of improving the moving stability of the crown block.

Wherein, the section shape of the ring groove is designed in a V shape. Therefore, the transmission element of the driven wheel and the auxiliary wheel can select a transmission belt, and the device has the effects of simple structure and convenience in maintenance.

The crown block of the article taking machine can also additionally comprise a traversing device, wherein the traversing device is provided with a driven plate, two transverse rails and a driver, the two transverse rails are parallel and respectively arranged between the driven plate and the driving device, and the driver is combined on the two transverse rails in a sliding way and used for driving a clamping jaw to act. Therefore, the crown block can move towards the longitudinal direction of the fetching machine and the transverse direction of the fetching machine, and the effect of improving the moving range of the crown block is achieved.

Drawings

FIG. 1: a combined perspective view of the prior object clamping machine;

FIG. 2: an exploded perspective view of a sheave assembly in accordance with a preferred embodiment of the present invention;

FIG. 3: an assembled side view of the sheave assembly of a preferred embodiment of the present invention;

FIG. 4: the invention discloses an assembled perspective view of a crown block in a preferred embodiment.

Description of the reference numerals

[ invention ] to provide

1: wheel body

11 hub part

111 shaft hole

112 inner ring groove

12 wheel disc

13 outer ring groove

14 through hole

15 driven wheel

16: ring groove

2, slip-resistant sleeve

3 auxiliary wheel

3a first auxiliary wheel

3b second auxiliary wheel

4: longitudinal rail

5 driving device

51 rotating shaft

52 driving member

6: traversing device

61 driven plate

62: transverse rail

7: clamping jaw

B, a transmission element

S is a rotating shaft

[ Prior Art ] A method for producing a semiconductor device

9 pulley assembly of object clamping machine

91 longitudinal rail

92 longitudinal drive

921 the first end

922 the second end

93 first pulley

94 driven plate

95 second pulley

96: axle.

Detailed Description

In order to make the aforementioned and other objects, features and advantages of the present invention comprehensible, preferred embodiments accompanied with figures are described in detail below:

fig. 2 shows a pulley assembly of a crown block of a fetching machine according to a first embodiment of the present invention, which includes a pulley body 1 and a sliding-stopping sleeve 2, wherein the sliding-stopping sleeve 2 is detachably sleeved on the pulley body 1.

The wheel body 1 has a hub 11 and two discs 12, the hub 11 has an axial hole 111 extending axially, the axial hole 111 is used for inserting and combining a rotating shaft S of the crown block, and a driving member of the crown block drives the rotating shaft S to rotate so as to drive the wheel body 1 to rotate synchronously. The two wheel discs 12 are located at opposite ends of the hub 11, an outer annular groove 13 is formed between the outer circumferential surface of the hub 11 and the two wheel discs 12, the outer annular groove 13 is used for rotatably coupling the wheel body 1 to a slide rail of the overhead traveling crane, and the cross-sectional shape of the outer annular groove 13 may be designed according to the shape of the slide rail, such as circular arc, V-shape, or zigzag.

The slip-resistant sleeve 2 can be used for preventing the wheel body 1 from slipping when rotating on the slide rail, and the slip-resistant sleeve 2 is detachably sleeved in the outer annular groove 13. The anti-slip sleeve 2 is made of a material capable of being deformed in a stretching manner, and has anti-slip and anti-slip functions, the material of the anti-slip sleeve 2 is preferably made of a material having a high friction coefficient (e.g., a static friction coefficient of 0.6 or more), in this embodiment, the anti-slip sleeve 2 may be made of a rubber material, but not limited thereto.

Referring to fig. 3, the wheel body 1 may further have an inner annular groove 112, the inner annular groove 112 is disposed along the outer annular groove 13, the inner annular groove 112 may be located in the middle of the outer annular groove 13, and the anti-slip sleeve 2 may be located in the inner annular groove 112 at least partially.

The outer annular groove 13 of the hub 11 may further have a through hole 14, and the through hole 14 is preferably located in the inner annular groove 112 and connected to the axial hole 111. The through hole 14 is used for a limiting member such as a flat head screw to extend into the shaft hole 111, so that the limiting member can abut against an abutting surface of the rotating shaft S, and the wheel body 1 can rotate synchronously with the rotating shaft S. The type of the through hole 14 is not limited in the present invention, and in the present embodiment, the through hole 14 may be a screw hole.

The wheel body 1 may further have a driven wheel 15, the driven wheel 15 is located on a side surface of a wheel disc 12 of the wheel body 1, and the driven wheel 15 may be integrally formed with or separately combined with the wheel disc 12. The outer peripheral surface of the driven wheel 15 has a ring groove 16, the cross-sectional shape of the ring groove 16 is not limited in the present invention, and is not limited by the drawings disclosed in the present embodiment, the cross-sectional shape of the ring groove 16 forms a V-shaped design, the ring groove 16 can be used for a transmission element B such as a V-belt to wind around, so that the driven wheel 15 can drive an auxiliary wheel 3 to rotate (as shown in fig. 4), the auxiliary wheel 3 can be a general existing pulley or a pulley assembly of the present invention, and the present invention is not limited by the present invention.

Referring to fig. 4, the pulley assembly of the present invention can be applied to a crown block of an article taking machine, and the form of the article taking machine is not limited in the present invention, and in the present embodiment, the article taking machine takes the form of a clamping jaw for clamping an article; in short, the crown block of the fetching machine may have a first auxiliary wheel 3a, two longitudinal rails 4 and a driving device 5, wherein the two longitudinal rails 4 are parallel and opposite to each other; the driving device 5 can extend through the axle hole 111 of the wheel body 1 and the first auxiliary wheel 3a by a rotating shaft 51; the wheel body 1 can rotate synchronously with the rotating shaft 51 by a limiting piece extending into the shaft hole 111 from the through hole 14 and abutting against an abutting surface of the rotating shaft 51; the slip-resistant sleeve 2 is sleeved in the outer annular groove 13 of the wheel body 1, or may be at least partially located in the inner annular groove 112; the driving member 52 such as a motor drives the rotating shaft 51 to rotate, so as to drive the wheel body 1 and the first auxiliary wheel 3a to move back and forth on the two longitudinal rails 4 respectively. When the wheel body 1 is provided with the driven wheel 15, a second auxiliary wheel 3B on the same side with the wheel body 1 can be driven to rotate through a transmission element B, so that the crown block of the fetching machine can move more stably.

Preferably, the overhead traveling crane may further have a traverse device 6, the traverse device 6 has a driven plate 61, two transverse rails 62 and a driver (not shown), the driven plate 61 is provided for one end of the rotating shaft 51 to penetrate, and the rotating shaft 51 may further be combined with the first auxiliary wheel 3 a; two transverse rails 62 are parallel and respectively arranged between the driven plate 61 and the driving device 5, and the two transverse rails 62 are preferably perpendicular to each longitudinal rail 4; the driver is slidably coupled to the two rails 62 and is used to drive a gripper 7, in this embodiment, the driver is a servo motor.

In summary, the pulley assembly of the crown block of the fetching machine of the present invention can be sleeved with the anti-slip sleeve in the outer annular groove of the pulley body, so that when the pulley assembly moves on the slide rail, the pulley body can be prevented from slipping when moving back and forth on the slide rail through the anti-slip effect of the anti-slip sleeve, and when the pulley assembly is used in the crown block of the fetching machine, the crown block can be moved to a correct position, thereby improving the positioning accuracy of the crown block.