CN115557338A - A kind of chuck structure and using method thereof - Google Patents

Abstract

The invention discloses a chuck structure and its use method. The chuck structure includes a support plate, and a plurality of sliders are slidably installed in an annular array on the upper part of the support plate. The rack supporting the jaws, the upper part of the support plate is rotatably equipped with driving gears and several driven gear sets, the input ends of several driven gear sets mesh with the driving gear, and several driven gear sets The output end of the gear meshes with several racks respectively. In the present invention, the rotation of the driving gear drives several driven gear sets to rotate simultaneously, and drives several racks and sliders to move simultaneously. Compared with the existing chuck structure, due to the rack transmission, It has a larger adjustment range to meet the adjustment within a wider diameter range.

Description

A kind of chuck structure and using method thereof

technical field

The invention relates to the technical field of chucks, in particular to a chuck structure and a usage method thereof.

Background technique

As a commonly used fixed part, the chuck can move radially (generally, the small gear drives the large gear to rotate to realize the radial movement process), and can hold and fix cylindrical parts of various sizes. When the cable is wound and formed, generally a shaft for accommodating the winding of the cable is installed on the side of the chuck, so that the winding of cables of various diameters into a coil can be achieved.

However, the way of adopting the chuck has a small adjustment range, and it is difficult to meet the adjustment within a wide diameter range.

Contents of the invention

(1) Technical problems to be solved

The invention can solve the difficult problem that the adjustment range of the existing chuck structure is small and it is difficult to meet the adjustment within a wide diameter range during use.

(2) Technical solution

In order to achieve the above object, the present invention adopts the following technical solution, a chuck structure, including a support plate, a plurality of sliders are slidably installed in an annular array on the upper part of the support plate, and the upper parts of the plurality of sliders are equipped with The rack that supports the jaws, the upper part of the support plate is rotatably equipped with a driving gear and a number of driven gear sets, the input ends of some of the driven gear sets mesh with the driving gear, and some of the driven gear sets The output ends of the gears are respectively meshed with several of the racks, and the rotation of the driving gear drives several of the driven gear sets to rotate simultaneously, driving several of the racks and the slider to move simultaneously.

As a preferred technical solution of the present invention, a plurality of connecting rods are installed in the lower annular array of the support plate, and connecting seats are installed on the lower parts of the connecting rods, and a receiving drive is formed between the supporting plate and the connecting seat. cavity of the motor.

As a preferred technical solution of the present invention, the upper annular array of the support plate is provided with a chute, the inner side of the chute is installed with a slide rail, and the slide block is slidably installed on the upper part of the slide rail. Both sides of the slider extend into the inner side of the chute.

As a preferred technical solution of the present invention, a spacer is provided between the slider and the rack, and the height of the top wall of the rack is equal to the height of the top wall of the driving gear.

As a preferred technical solution of the present invention, positioning grooves are provided on both sides of the slide rail, and protrusions that cooperate with the positioning grooves are provided on the inner side of the slider.

As a preferred technical solution of the present invention, there are three sliders and three driven gear sets.

As a preferred technical solution of the present invention, the driven gear set includes a first gear that meshes with the driving gear, a second gear that meshes with the first gear, and a second gear that meshes with the second gear. Three gears, the first gear, the second gear and the third gear are all rotatably mounted on the upper part of the support plate, and the third gear meshes with the rack.

As a preferred technical solution of the present invention, the specifications and models of the driving gear, the first gear, the second gear and the third gear are the same.

In addition, the present invention further provides a method for using the chuck structure, which specifically includes the following steps:

S1. Fix the jaws on the upper part of the rack; install the driving motor on the lower part of the support plate, and connect the output end with the driving gear;

S2. The driving motor drives the driving gear to rotate, and drives the driven gear set to rotate at the same time, and then drives the rack to move with the cooperation of the slider to adjust the positions of the rack and the claws;

S3. The positions of several claws are adjusted at the same time, so that several claws move radially relative to the center of the support disc, and the subsequent winding operation can be performed after adjusting to the diameter to be adjusted.

(3) Beneficial effects

1. In the chuck structure provided by the present invention, the driving gear rotates to drive several driven gear sets to rotate simultaneously, and drives several racks and sliders to move simultaneously. Compared with the existing chuck structure, due to the use of teeth Bar drive, with a larger adjustment range, to meet the adjustment within a wider diameter range;

2. The chuck structure provided by the present invention can realize the simultaneous transmission of multiple driven gear sets through one driving gear, which is simple, convenient and convenient to adjust.

Description of drawings

In order to illustrate the technical solutions of the embodiments of the present invention more clearly, the accompanying drawings used in the embodiments will be briefly introduced below. It should be understood that the following drawings only show some embodiments of the present invention, and therefore do not It should be regarded as a limitation on the scope, and those skilled in the art can also obtain other related drawings based on these drawings without creative work.

Fig. 1 is axonometric schematic view of the present invention;

Fig. 2 is an enlarged schematic diagram of the structure of the slider part of the present invention;

Fig. 3 is a schematic diagram of the first perspective after installing the claws of the present invention;

Fig. 4 is a schematic view of the second viewing angle after the claw is installed in the present invention.

In the figure: 1, support plate; 11, connecting rod; 12, connecting seat; 13, cavity; 14, chute; 15, slide rail; 16, positioning groove; 2, slider; 21, height block; 22 , convex portion; 3, rack; 4, driving gear; 5, driven gear set; 51, first gear; 52, second gear; 53, third gear.

The realization of the purpose of the present invention, functional characteristics and advantages will be further described in conjunction with the embodiments and with reference to the accompanying drawings.

detailed description

In order to make the purpose, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments It is some embodiments of the present invention, but not all of them. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

Accordingly, the following detailed description of the embodiments of the invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the invention. Based on the implementation manners in the present invention, all other implementation manners obtained by persons of ordinary skill in the art without creative efforts fall within the protection scope of the present invention.

It should be noted that like numerals and letters denote similar items in the following figures, therefore, once an item is defined in one figure, it does not require further definition and explanation in subsequent figures.

In describing the present invention, it is to be understood that the terms "longitudinal", "upper", "lower", "left", "right", "top", "bottom", "inner", "outer" etc. indicate The orientation or positional relationship is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the present invention and simplifying the description, rather than indicating or implying that the referred device or element must have a specific orientation or be configured in a specific orientation. and operation, and therefore should not be construed as limiting the invention.

In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be interpreted as indicating or implying relative importance or implicitly specifying the quantity of indicated technical features. Thus, a feature defined as "first" and "second" may explicitly or implicitly include one or more of these features. In the description of the present invention, "plurality" means two or more, unless otherwise specifically defined.

Example 1

As shown in Figure 1-4, a chuck structure includes a support plate 1, a number of sliders 2 are slidably installed in an annular array on the upper part of the support plate 1, and the upper parts of the number of sliders 2 are installed for driving and supporting the jaws. Rack 3, between slide block 2 and rack 3, be provided with raising piece 21, and raising piece 21 is used for carrying out raising, can make the height of rack 3 top wall and the height of driving gear 4 top wall like this Flush ensures efficient transmission and prevents excessive misalignment that could result in poor transmission.

The upper part of the support plate 1 is rotatably equipped with driving gear 4 and several driven gear sets 5, the input ends of several driven gear sets 5 mesh with the driving gear 4, and the output ends of several driven gear sets 5 are connected with several racks 3 respectively. The driving gear 4 rotates to drive several driven gear sets 5 to rotate at the same time, and drives several racks 3 and sliders 2 to move at the same time. Due to the use of racks 3 for transmission, it has a larger adjustment range and meets the needs of a wide range of diameters. Adjustment.

In this embodiment, there are three sliders 2 and three driven gear sets 5, which are respectively arranged in an annular array, which can satisfy the drive of the three claws and achieve a good adjustment effect; it should be understood that, in In actual design, the number of sliders 2 can be designed according to requirements, but the number of sliders 2 must be kept in one-to-one correspondence with the number of driven gear sets 5, and the number should not be less than three sets.

The following is a detailed description of each structure:

Please refer to Fig. 3 and Fig. 4, in order to facilitate the connection with the external drive equipment, a plurality of connecting rods 11 are installed in an annular array at the bottom of the support plate 1, and connecting seats 12 are installed in the lower part of several connecting rods 11, and the connecting rods 11 adopt bolts and The support plate 1 is connected to the connection seat 12 for easy installation and disassembly; a cavity 13 for accommodating a drive motor (not shown) is formed between the support plate 1 and the connection seat 12, and the drive motor can drive the driving gear to rotate and provide the power for rotation , which needs to use a forward and reverse motor to drive the driving gear to rotate forward or reverse, and then drive the rack to move in two directions. Both the support plate 1 and the connecting seat 12 are provided with weight-reducing holes to reduce weight, and The connecting seat 12 also adopts a disc-shaped design.

At the same time, a chute 14 is provided in the upper annular array of the support plate 1, and a slide rail 15 is installed on the inside of the chute 14. In this way, the cooperation of the slide rail 15 and the slide groove 14 can realize a good guiding and limiting effect on the slider 2, so as to ensure the accuracy and effect of adjustment.

For better guidance and positioning, positioning grooves 16 are provided on both sides of the slide rail 15, and the inner side of the slider 2 is provided with a raised portion 22 that cooperates with the positioning groove 16. It is better to use the raised portion 22 and the positioning groove 16. orientation and positioning.

The part of the positioning groove 16 is arranged in an arc-like groove shape, and a rectangular part is arranged on the side of the arc-shaped groove, and cooperates with the raised part 22 to achieve a good positioning and guiding effect. It should be understood that the positioning The inner wall where the groove 16 is located, the outer wall where the slide rail 15 is located, the outer wall where the protrusion 22 is located, and the inner wall where the slider 2 is located are all set as smooth surfaces to reduce friction.

Referring to Fig. 1, Fig. 2 and Fig. 3, in the present embodiment, the driven gear set 5 is designed into three groups altogether, and each set of driven gear set 5 includes the first gear 51 meshing with the driving gear 4, and the first gear 51 which is meshed with the driving gear 4 A second gear 52 meshed with a gear 51, and a third gear 53 meshed with the second gear 52, the first gear 51, the second gear 52 and the third gear 53 are all rotatably mounted on the top of the support disc 1, the third gear 53 meshes with the rack 3, and the specifications and models of the driving gear 4, the first gear 51, the second gear 52 and the third gear 53 are the same to achieve a 1:1 transmission effect.

It should be understood that, when performing a specific design, according to the design requirements, a single driven gear set 5 may contain a plurality of intermeshing gears, such as two intermeshing gears, one gear may mesh with the driving gear, and the other may A gear meshes with the rack (not shown), and the gears can also be designed as gears with different specifications, that is, different transmission ratio designs can be adopted.

It should be noted that when the driven gear set 5 composed of three or more gears is used, except for the gear meshing with the driving gear and the rack, the rest of the gears should avoid the rack to prevent conflicts and affect the operation. In the case, as in this embodiment, the second gear 52 has a certain distance from the rack.

A method for using a chuck structure, specifically comprising the following steps:

S1. Fix the jaws on the upper part of the rack 3; install the driving motor on the lower part of the support plate 1, and connect the output end to the driving gear 4;

S2. The driving motor drives the driving gear 4 to rotate, and drives the driven gear set 5 to rotate at the same time, and then drives the rack 3 to move under the cooperation of the slider 2, and adjusts the positions of the rack 3 and the jaws. It should be understood that the drive The motor adopts a forward and reverse motor, which can realize the movement of the rack 3 in two directions, and then make several claws open or close to realize the adjustment of the diameter;

S3. The positions of several claws are adjusted at the same time, so that the several claws move radially relative to the center of the support disc 1, and the subsequent winding operation can be performed after adjusting to the diameter to be adjusted.

In summary, the rotation of the driving gear 4 of the present invention drives several driven gear sets 5 to rotate at the same time, and drives several racks 3 and sliders 2 to move at the same time. It has a larger adjustment range to meet the adjustment within a wider diameter range;

Through one gear of the driving gear 4, the simultaneous transmission of multiple driven gear sets 5 can be realized, which is simple, convenient and convenient for adjustment.

The above descriptions are only preferred embodiments of the present invention, and are not intended to limit the present invention. For those skilled in the art, the present invention may have various modifications and changes. Any modifications, equivalent replacements, improvements, etc. made within the spirit and principles of the present invention shall be included within the protection scope of the present invention.

Claims (9)

1. A chuck construction comprising a support disk (1), characterized in that: a plurality of sliding blocks (2) are arranged on the upper portion of the supporting disc (1) in an annular array in a sliding mode, racks (3) used for transmitting and supporting clamping jaws are arranged on the upper portions of the sliding blocks (2), a driving gear (4) and a plurality of driven gear sets (5) are rotatably arranged on the upper portion of the supporting disc (1), the input ends of the driven gear sets (5) are meshed with the driving gear (4), and the output ends of the driven gear sets (5) are meshed with the racks (3) respectively;

the driving gear (4) rotates to drive the driven gear sets (5) to rotate simultaneously, and drives the racks (3) and the sliding block (2) to move simultaneously.

2. A chuck structure according to claim 1, characterized in that a plurality of connecting rods (11) are mounted on the lower annular array of the support disk (1), a plurality of connecting seats (12) are mounted on the lower portions of the connecting rods (11), and a cavity (13) for accommodating a driving motor is formed between the support disk (1) and the connecting seats (12).

3. The chuck structure according to claim 1, characterized in that the upper annular array of the support plate (1) is provided with a sliding groove (14), a sliding rail (15) is installed on the inner side of the sliding groove (14), the slide block (2) is slidably installed on the upper portion of the sliding rail (15), and two sides of the slide block (2) extend into the inner side of the sliding groove (14).

4. A chuck construction according to claim 1 or 3, characterized in that an elevating block (21) is provided between the slide (2) and the rack (3), the height of the top wall of the rack (3) being flush with the height of the top wall of the pinion (4).

5. A chuck structure according to claim 3, wherein the slide rail (15) has positioning grooves (16) formed on both sides thereof, and the slider (2) has protrusions (22) formed on the inner side thereof for engaging with the positioning grooves (16).

6. A chuck construction according to claim 1, further comprising: the number of the sliding blocks (2) is three, and the number of the driven gear sets (5) is three.

7. A chuck structure according to claim 1, wherein said driven gear set (5) comprises a first gear (51) engaged with said driving gear (4), a second gear (52) engaged with said first gear (51), and a third gear (53) engaged with said second gear (52), said first gear (51), said second gear (52) and said third gear (53) being rotatably mounted on the upper portion of said supporting disk (1), said third gear (53) being engaged with said rack (3).

8. A chuck construction according to claim 7, characterized in that the drive gear (4), the first gear (51), the second gear (52) and the third gear (53) are of the same size.

9. The method for using the chuck structure according to claim 1, comprising the following steps:

s1, fixedly mounting a clamping jaw on the upper part of a rack (3); a driving motor is arranged at the lower part of a supporting disk (1), and the output end of the driving motor is connected with a driving gear (4);

s2, driving a driving gear (4) to rotate by a driving motor, driving a driven gear set (5) to rotate simultaneously, driving a rack (3) to move under the cooperation of a sliding block (2), and adjusting the positions of the rack (3) and a clamping jaw;

s3, simultaneously adjusting the positions of the plurality of clamping jaws to enable the plurality of clamping jaws to radially move relative to the center of the supporting disc (1), and adjusting the clamping jaws to the diameter to be adjusted to perform subsequent required winding operation.

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