CN218926463U

CN218926463U - Clamp for deburring plastic gear

Info

Publication number: CN218926463U
Application number: CN202222229680.7U
Authority: CN
Inventors: 范春望; 曹志; 黄修良
Original assignee: Wuhu Iveli Technology Co ltd
Current assignee: Wuhu Iveli Technology Co ltd
Priority date: 2022-08-24
Filing date: 2022-08-24
Publication date: 2023-04-28
Anticipated expiration: 2032-08-24

Abstract

The utility model provides a clamp for deburring a plastic gear, which comprises a hydraulic rotary oil cylinder, wherein the side surface of the hydraulic rotary oil cylinder is connected with a lathe spindle, the side surface of the lathe spindle is connected with a combination plate through a flange, a first through hole is formed in the middle of the combination plate and is connected with a base of a clamping cylinder, a second through hole is formed in the middle of the clamping cylinder, a movable cone is slidably connected in the second through hole and is in threaded connection with a pull rod, the pull rod is connected with the hydraulic rotary oil cylinder, the side surface of the combination plate is detachably connected with a positioning block, the plastic gear is detachably arranged on the outer side of the clamping cylinder, and the clamp is used for solving the technical problems that burrs are inevitably generated in the plastic gear hobbing process, manual deburring is adopted and the use efficiency is too low.

Description

Clamp for deburring plastic gear

Technical Field

The utility model mainly relates to the technical field of gear machining, in particular to a clamp for deburring a plastic gear.

Background

At present, the EPS plastic gear adopts a double-shot injection molding process, deburring processing is not needed, and the core technology is mastered at other national import suppliers.

However, by adopting an injection molding process, the problem of burrs can be perfectly solved, but the purchase price of the imported plastic gear is high and is doubled compared with domestic plastic gears; secondly, the early-stage die cost is relatively high, which is up to 100 ten thousand; thirdly, the double-color injection molding gear is not produced in China, no supplier resource exists in China, and the injection molding process of an external enterprise is researched and developed in China, so that the condition is limited, and only hobbing processing can be adopted.

During the operation of the specific examples, the inventors have found the following drawbacks:

in the plastic gear hobbing process, burrs are inevitably generated, manual deburring is adopted, the service efficiency is too low, a clamp positioned by an inner hole of a gear needs to be manufactured, and the efficiency is increased by at least 10 times by adopting a turning process.

Disclosure of Invention

The utility model provides a clamp for deburring a plastic gear, which is used for solving the technical problems that burrs are inevitably generated in the plastic gear hobbing process in the background art, manual deburring is adopted, and the use efficiency is too low.

In order to achieve the above purpose, the technical scheme provided by the utility model is as follows: the utility model provides a plastic gear anchor clamps for burring, includes hydraulic gyration hydro-cylinder, hydraulic gyration hydro-cylinder side connection lathe main shaft, the lathe main shaft side passes through flange joint and combines the board, it has first through-hole to combine the board middle part to open, first through-hole connects the base of a clamp section of thick bamboo, it has the second through-hole to press from both sides a section of thick bamboo middle part opening, sliding connection activity awl in the second through-hole, activity awl and pull rod threaded connection, the pull rod is connected hydraulic gyration hydro-cylinder, combine the board side to dismantle the connection locating piece, press from both sides a section of thick bamboo outside detachable plastic gear.

Further, the top of the clamping cylinder is provided with elastic metal clamping pieces which are four evenly distributed, and the elastic metal clamping pieces are clamped with plastic rollers.

Further, the top of the movable cone is in a truncated cone shape, the angle of the movable cone is 52 degrees, and the movable cone is tangent to the elastic metal clamping piece.

Further, a locking groove is formed in the top of the truncated cone shape of the movable cone.

Further, a fixing hole is formed in the combining plate, and a corresponding mounting hole is formed in the positioning block and corresponds to the positioning block, and the positioning block is connected through a screw.

Furthermore, the first through hole connecting clamp cylinder is fixedly connected in a connecting mode, and the fixed connection comprises threaded connection.

Compared with the prior art, the technical scheme provided by the utility model has the following beneficial effects:

the utility model has reasonable design, and the pull rod is matched with the collet chuck, so that the gear can be clamped newly, the deburring operation of the subsequent lathe on the outer side of the plastic gear is facilitated, and the deburring processing efficiency of the plastic gear is improved; EPS plastic gear realizes localization, and raw material cost reduces one time.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a schematic view of a collet according to the present utility model.

1. A hydraulic slewing cylinder; 2. a lathe spindle; 3. a flange; 4. a bonding plate; 5. a first through hole; 6. a collet; 61. an elastic metal clip; 7. a second through hole; 8. a movable cone; 9. a pull rod; 81. a locking groove; 10. and (5) positioning blocks.

Detailed Description

In order that the utility model may be readily understood, a more particular description of the utility model will be rendered by reference to specific embodiments thereof which are illustrated in the appended drawings, in which, however, the utility model may be embodied in many different forms and are not limited to the embodiments described herein, but are instead provided for the purpose of providing a more thorough and complete disclosure of the utility model.

In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "page", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying 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 utility model.

Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.

In the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," "secured," "provided," and the like are to be construed broadly, and may be, for example, fixedly connected, 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. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.

Examples

Referring to fig. 1-3, a clamp for deburring a plastic gear comprises a hydraulic rotary cylinder 1, wherein the side surface of the hydraulic rotary cylinder 1 is connected with a lathe spindle 2, the side surface of the lathe spindle 2 is connected with a combining plate 4 through a flange 3, a first through hole 5 is formed in the middle of the combining plate 4, the first through hole 5 is connected with a base of a collet chuck 6, a second through hole 7 is formed in the middle of the collet chuck 6, a movable cone 8 is slidably connected in the second through hole 7, the movable cone 8 is in threaded connection with a pull rod 9, the pull rod 9 is connected with the hydraulic rotary cylinder 1, the side surface of the combining plate 4 is detachably connected with a positioning block 10, the detachable plastic gear outside the collet chuck 6 can drive the movable cone 8 to move through the hydraulic rotary cylinder 1, so that the collet chuck 6 expands outwards to clamp the inner ring of the gear, the working principle is as to place the plastic gear needing deburring on the positioning block 10, the inner diameter passes through the collet chuck 6, then the hydraulic rotary cylinder 1 generates a pulling force to drive the pull rod 9 to move inwards, the movable cone 8 is driven to move inwards, so that the clamping cylinder is expanded outwards, and the inner ring of the gear is clamped.

The collet chuck 6 top is equipped with elasticity metal clamping piece 61, and elasticity metal clamping piece 61 is four lamella of evenly distributed, and elasticity metal clamping piece 61 presss from both sides the plastic gyro wheel, and it should be noted that this application does not limit the quantity of elasticity metal clamping piece 61, as long as can cooperate movable cone 8 to expand outward can, here select four lamella elasticity metal clamping pieces 61 of evenly distributed, because this kind of setting mode presss from both sides and gets the effect better, collet chuck 6's cost of manufacture is controllable.

The top of the movable cone 8 is in a truncated cone shape, the angle of the movable cone is 52 degrees, the movable cone is tangent to the elastic metal clamping piece 61, and when the movable cone 8 moves inwards, the elastic metal clamping piece 61 expands outwards due to the tangency with the elastic metal clamping piece 61, so that the clamping of the inner diameter of the plastic gear is realized.

The top of the truncated cone shape of the movable cone 8 is provided with a locking groove 81, and in order to facilitate the replacement of different movable cones, the movable cone can be subjected to loosening and tightening operations by using an electric screwdriver through the locking groove 81.

The fixing holes are formed in the combining plate, the corresponding mounting holes are formed in the positioning block 10 and correspond to the fixing holes, and the fixing holes are connected through screws, so that the positioning block 10 is convenient to connect.

The collet 6 connected to the first through hole 5 is fixedly connected, different connection modes can be adopted according to specific use situations, if the specifications of the gears are fixed, the fixed connection mode can be adopted, the stability of the device is improved, if the plastic gears with different specifications are fixed frequently, the clamping cylinders with different sizes need to be replaced, and threaded connection can be adopted.

The foregoing examples merely illustrate certain embodiments of the utility model and are described in more detail and are not to be construed as limiting the scope of the utility model; it should be noted that it is possible for a person skilled in the art to make several variants and modifications without departing from the concept of the utility model, all of which fall within the scope of protection of the utility model; accordingly, the scope of protection of the present utility model is to be determined by the appended claims.

Claims

1. A plastic gear anchor clamps for burring, its characterized in that: including hydraulic pressure gyration hydro-cylinder (1), lathe main shaft (2) are connected to hydraulic pressure gyration hydro-cylinder (1) side, joint board (4) are passed through flange (3) to lathe main shaft (2) side, joint board (4) middle part is opened there is first through-hole (5), the base of collet chuck (6) is connected to first through-hole (5), open at collet chuck (6) middle part has second through-hole (7), sliding connection activity awl (8) in second through-hole (7), activity awl (8) and pull rod (9) threaded connection, pull rod (9) are connected hydraulic pressure gyration hydro-cylinder (1), joint board (4) side can be dismantled and connect locating piece (10), detachable plastic gear in collet chuck (6) outside.

2. The fixture for deburring plastic gears according to claim 1, wherein: the top of the collet chuck (6) is provided with elastic metal clamping pieces (61), the elastic metal clamping pieces (61) are four evenly distributed, and the elastic metal clamping pieces (61) are clamped with plastic rollers.

3. The fixture for deburring plastic gears according to claim 2, wherein: the top of the movable cone (8) is in a truncated cone shape, the angle of the movable cone is 52 degrees, and the movable cone is tangent to the elastic metal clamping piece (61).

4. A plastic gear deburring jig as claimed in claim 3, wherein: the top of the truncated cone shape of the movable cone (8) is provided with a locking groove (81).

5. The fixture for deburring plastic gears according to claim 1, wherein: the combination board (4) is provided with a fixing hole, and the positioning block (10) is provided with a corresponding mounting hole corresponding to the fixing hole and connected through a screw.

6. The fixture for deburring plastic gears according to claim 1, wherein: the first through hole (5) is fixedly connected with the collet chuck (6).