CN220388148U

CN220388148U - Clamping tool for gear machining

Info

Publication number: CN220388148U
Application number: CN202322072730.XU
Authority: CN
Inventors: 龚思瑜; 姜锦峰
Original assignee: Tianjin Haoyan Technology Development Co ltd
Current assignee: Tianjin Haoyan Technology Development Co ltd
Priority date: 2023-08-03
Filing date: 2023-08-03
Publication date: 2024-01-26
Anticipated expiration: 2033-08-03

Abstract

The utility model discloses a clamping tool for gear machining, which comprises the following components: a workbench provided with a plurality of positioning columns; two clamping mechanisms are symmetrically arranged on two sides of each positioning column and comprise two sleeves extending along the radial direction of the positioning column, telescopic slide bars are slidably arranged in the sleeves, and toothed plates are detachably arranged at the ends, close to the positioning columns, of the telescopic slide bars; the driving mechanism is connected with the clamping mechanism and used for driving the telescopic slide rod in the clamping mechanism to move in a telescopic way in the sleeve. The clamping tool for gear machining is stable in clamping, convenient to operate and high in working efficiency, and can meet the requirements of different types of gear machining.

Description

Clamping tool for gear machining

Technical Field

The utility model relates to the technical field of gear machining, in particular to a clamping tool for gear machining.

Background

The gear is a mechanical element on the rim, which is continuously engaged with the gear to transmit motion and power; the processing process of the gear firstly carries out clamping limit on the gear, and then uses methods such as hobbing or gear shaping to process the gear. In the clamping limiting process, different clamping mechanisms or even the whole device are timely replaced according to actual requirements due to different diameters and tooth numbers of gears, and the process is long in duration, so that the economic benefit and the working efficiency of production are affected.

Disclosure of Invention

In view of the above-mentioned drawbacks or shortcomings in the prior art, it is desirable to provide a clamping tool for gear machining, which has stable clamping, convenient operation and high working efficiency, and meets the machining requirements of different types of gears.

The utility model provides a clamping tool for gear machining, which comprises the following components:

a workbench provided with a plurality of positioning columns;

two clamping mechanisms are symmetrically arranged on two sides of each positioning column and comprise two sleeves extending along the radial direction of the positioning column, telescopic slide bars are slidably arranged in the sleeves, and toothed plates are detachably arranged at the ends, close to the positioning columns, of the telescopic slide bars;

and the driving mechanism is connected with the clamping mechanism and is used for driving the telescopic slide rod in the clamping mechanism to move in a telescopic way in the sleeve.

Furthermore, the number of the positioning columns is at least 4, and the positioning columns are annularly and fixedly arranged on the top surface of the workbench.

Further, the driving mechanism comprises a driving assembly fixedly arranged in the workbench, the driving assembly is connected with a transmission assembly, and the bottom surface of the toothed plate is detachably connected with the transmission assembly.

Further, the driving assembly comprises a driving motor fixedly arranged at the center of the inner wall of the bottom surface of the workbench, the output end of the driving motor is fixedly connected with a transmission shaft, one end, away from the driving motor, of the transmission shaft is connected with a mounting block, the top surface of the mounting block is fixedly connected with the center of the inner wall of the top surface of the workbench, and a first bevel gear is fixedly sleeved at one end, close to the mounting block, of the transmission shaft.

Further, drive assembly set up in the below of fixture, drive assembly including set up in workstation one side inner wall with the bi-directional threaded rod between the installation piece, bi-directional threaded rod respectively with the inner wall of workstation one side the installation piece rotates to be connected, the cover is equipped with two sliders on the bi-directional threaded rod, the bottom surface of pinion rack with the top surface of slider can be dismantled and be connected, the lower extreme sliding connection of slider has the connecting plate, connecting plate fixed connection in the inside wall of workstation, be close to on the bi-directional threaded rod the one end of installation piece is fixed to be provided with the second bevel gear, first bevel gear with the second bevel gear meshing is connected.

Further, a through hole is formed in the middle of the connecting plate, and the diameter of the through hole is larger than that of the transmission shaft.

Further, the transmission components are in one-to-one correspondence with the positions and the number of the positioning columns.

Further, the top surface central point of workstation puts fixedly provided with fixed block, the top surface of workstation fixedly connected with mounting panel all around, a plurality of the reference column is in the annular evenly arranges between the fixed block with the mounting panel, the workstation top surface is located the reference column both sides all are provided with the mounting hole, the slider runs through the mounting hole with the pinion rack links to each other.

Further, the bottom surface of workstation is fixed to be provided with the base, the bottom surface of base is provided with the cylinder, the flexible end of cylinder is connected with the foot cup, the inboard of cylinder is located the bottom surface of base still is provided with the universal wheel.

Further, a spring is fixedly connected between the inner wall of one side of the sleeve and the end face of one side, far away from the toothed plate, of the telescopic sliding rod.

Compared with the prior art, the utility model has the beneficial effects that:

(1) The toothed plate, the sliding block and the telescopic sliding rod are detachably connected, so that the toothed plate with different teeth numbers can be replaced in time, meanwhile, the clamping requirements of gears with different diameters in processing can be met through the movement of the telescopic sliding rod in the clamping mechanism, and the economic benefit and the working efficiency are improved;

(2) According to the utility model, the plurality of transmission assemblies are simultaneously driven to rotate by the driving assembly, so that toothed plates in the plurality of clamping mechanisms are driven to move in opposite directions or in opposite directions, thereby realizing the rapid and stable clamping and fixing of the plurality of gears, further improving the working efficiency and having higher practicability;

(3) The spring is arranged in the clamping mechanism, so that the sliding block can be assisted to push and reset the toothed plate, and the stability and durability of the clamping mechanism are improved.

It should be understood that the description in this summary is not intended to limit the critical or essential features of the embodiments of the utility model, nor is it intended to limit the scope of the utility model. Other features of the present utility model will become apparent from the description that follows.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, made with reference to the accompanying drawings in which:

FIG. 1 is a schematic structural view of a clamping tool for gear machining;

fig. 2 is a schematic view of the structure of the top surface of the table.

Reference numerals in the drawings: 1. a work table; 2. a clamping mechanism; 3. a driving mechanism; 4. a base;

11. positioning columns; 12. a fixed block; 13. a mounting plate; 14. a mounting hole;

21. a sleeve; 22. a telescopic slide bar; 23. a toothed plate; 24. a spring;

31. a drive assembly; 32. a transmission assembly;

311. a driving motor; 312. a transmission shaft; 313. a mounting block; 314. a first bevel gear;

321. a two-way threaded rod; 322. a slide block; 323. a connecting plate; 324. a second bevel gear; 325. a through hole;

41. a cylinder; 42. a foot cup; 43. and a universal wheel.

Detailed Description

The utility model is described in further detail below with reference to the drawings and examples. It is to be understood that the specific embodiments described herein are merely illustrative of the utility model and are not limiting of the utility model. It should be noted that, for convenience of description, only the portions related to the utility model are shown in the drawings.

It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The utility model will be described in detail below with reference to the drawings in connection with embodiments.

Referring to fig. 1 and 2, an embodiment of the present utility model provides a clamping tool for gear processing, including:

a table 1 having a plurality of positioning posts 11;

two clamping mechanisms 2 are symmetrically arranged on two sides of each positioning column 11 and comprise two sleeves 21 extending along the radial direction of the positioning column 11, telescopic slide rods 22 are slidably arranged in the sleeves 21, and toothed plates 23 are detachably arranged at the ends, close to the positioning columns 11, of the telescopic slide rods 22;

and the driving mechanism 3 is connected with the clamping mechanism 2 and is used for driving the telescopic slide rod 22 in the clamping mechanism 2 to move in a telescopic way in the sleeve 21.

In this embodiment, the gear to be processed is placed on the positioning column 11, the telescopic slide rod 22 is driven by the driving mechanism 3 to move in the sleeve 21 in a telescopic manner, so that the two symmetrical toothed plates 23 are driven to move in opposite directions, and the toothed plates 23 are engaged with the gear to be connected, so that the gear is well limited, and the gear clamping is more stable. In the process of clamping the gears, the telescopic slide bar 22 meets the processing requirements of gears with different diameters through sliding in the sleeve 21; simultaneously, the pinion rack 23 can be dismantled and connect the setting, be convenient for in time with the pinion rack 23 of changing different tooth numbers as required, satisfied the centre gripping demand when different grade type gear processing, greatly increased the economic benefits and the practicality of this centre gripping frock.

In a preferred embodiment, as shown in fig. 1, the number of positioning posts 11 is at least 4, and the positioning posts are annularly and fixedly arranged on the top surface of the workbench 1.

In this embodiment, the design of the plurality of positioning columns 11 can realize positioning and clamping of a plurality of gears, thereby improving the working efficiency.

In a preferred embodiment, as shown in fig. 1, the driving mechanism 3 includes a driving component 31 fixedly disposed inside the workbench 1, the driving component 31 is connected with a transmission component 32, and the bottom surface of the toothed plate 23 is detachably connected with the transmission component 32.

In this embodiment, when the clamping tool works, the driving component 31 is started to drive the transmission component 32 to work, so that the toothed plate 23 in the clamping mechanism 2 clamps and fixes the gears.

In a preferred embodiment, as shown in fig. 1, the driving assembly 31 includes a driving motor 311 fixedly disposed at a central position of an inner wall of a bottom surface of the workbench 1, an output end of the driving motor 311 is fixedly connected with a driving shaft 312, one end of the driving shaft 312 away from the driving motor 311 is connected with a mounting block 313, a top surface of the mounting block 313 is fixedly connected to a central position of an inner wall of the top surface of the workbench 1, and one end of the driving shaft 312, which is close to the mounting block 313, is fixedly sleeved with a first bevel gear 314.

In a preferred embodiment, as shown in fig. 1, the transmission assembly 32 is disposed below the clamping mechanism 2, the transmission assembly 32 includes a bidirectional threaded rod 321 disposed between an inner wall of one side of the workbench 1 and the mounting block 313, the bidirectional threaded rod 321 is respectively rotatably connected with the inner wall of one side of the workbench 1 and the mounting block 313, two sliding blocks 322 are sleeved on the bidirectional threaded rod 321, the bottom surface of the toothed plate 23 is detachably connected with the top surface of the sliding block 322, the lower end of the sliding block 322 is slidably connected with a connecting plate 323, the connecting plate 323 is fixedly connected with the inner side wall of the workbench 1, a second bevel gear 324 is fixedly disposed at one end of the bidirectional threaded rod 321 close to the mounting block 313, and the first bevel gear 314 is in meshed connection with the second bevel gear 324.

In the above embodiment, when the clamping tool works, the driving motor 311 is started, the transmission shaft 312 rotates to drive the first bevel gear 314 to rotate, the second bevel gear 324 rotates due to meshed connection with the first bevel gear 314, the bidirectional threaded rod 321 is driven to rotate, the two sliding blocks 322 on the same bidirectional threaded rod 321 are driven to move in opposite directions along the horizontal direction, and the two toothed plates 23 connected with the two sliding blocks 322 are driven to move in opposite directions, so that the clamping and fixing of the gears are completed. When the clamping tool is used, the driving motor 311 is started to rotate reversely, and at the moment, the toothed plate 23 is driven by the driving mechanism 3 to move reversely, so that the resetting of the clamping mechanism 2 is completed.

In a preferred embodiment, as shown in FIG. 1, a through hole 325 is provided in the middle of the connection plate 323, and the diameter of the through hole 325 is larger than that of the transmission shaft 312.

In this embodiment, the transmission shaft 312 is matched with the through hole 325, and the diameter of the transmission shaft 312 is smaller than that of the through hole 325, so that the transmission shaft 312 can conveniently pass through the through hole 325, and meanwhile, the through hole 325 plays a certain limiting role on the transmission shaft 312 to avoid the deviation of the transmission shaft 312.

In a preferred embodiment, as shown in FIG. 1, the drive assemblies 32 are positioned in a one-to-one correspondence with the number and location of the positioning posts 11.

In this embodiment, the transmission assembly 32 is convenient for clamping the gears on the positioning columns 11 through the clamping mechanism 2, so that the working efficiency is improved.

In a preferred embodiment, as shown in fig. 1, a fixed block 12 is fixedly arranged at the center of the top surface of the workbench 1, mounting plates 13 are fixedly connected around the top surface of the workbench 1, a plurality of positioning columns 11 are annularly and uniformly arranged between the fixed block 12 and the mounting plates 13, mounting holes 14 are formed in the top surface of the workbench 1 and positioned on two sides of the positioning columns 11, and sliding blocks 322 penetrate through the mounting holes 14 and are connected with toothed plates 23.

In the present embodiment, the fixing block 12 and the mounting plate 13 are provided to facilitate effective fixation of the clamping mechanism 2; the pivot hole 14 plays a limiting role on the sliding block 322, so that the sliding block 322 is prevented from being deviated, and the toothed plate 23 can be well driven to move, so that the gear to be processed is stably clamped and fixed.

In a preferred embodiment, as shown in fig. 1, a base 4 is fixedly arranged on the bottom surface of the workbench 1, an air cylinder 41 is arranged on the bottom surface of the base 4, a foot cup 42 is connected to the telescopic end of the air cylinder 41, and universal wheels 43 are further arranged on the inner side of the air cylinder 41 and positioned on the bottom surface of the base 4.

In the embodiment, the height of the workbench 1 is conveniently regulated and controlled through the air cylinder 41, so that the requirements of different processing programs on the height of the workbench 1 are met; the foot cup 42 plays a good supporting role on the workbench 1, and ensures the stability of the workbench 1; the universal wheels 43 are arranged so that the workbench 1 can be conveniently moved to a proper position according to actual needs, and the operation is simple and flexible.

In a preferred embodiment, as shown in fig. 1 and 2, a spring 24 is fixedly connected between an inner wall of one side of the sleeve 21 and an end surface of one side of the telescopic slide 22 away from the toothed plate 23.

In this embodiment, the spring 24 is disposed in the sleeve 21 and fixedly connected with the telescopic slide rod 22, so as to assist the toothed plate 23 to move and reset, thereby increasing the stability and durability of the clamping mechanism 2.

In the description of the present specification, the terms "one embodiment," "some embodiments," and the like, mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the present application. In this specification, schematic representations of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The foregoing is merely a preferred embodiment of the present application and is not intended to limit the present application, and various modifications and variations may be made to the present application by those skilled in the art. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a centre gripping frock is used in gear processing which characterized in that: comprising the following steps:

a table (1) having a plurality of positioning columns (11);

two clamping mechanisms (2) are symmetrically arranged on two sides of each positioning column (11), each clamping mechanism comprises two sleeves (21) extending along the radial direction of each positioning column (11), telescopic sliding rods (22) are arranged in the sleeves (21) in a sliding mode, and toothed plates (23) are detachably arranged at the ends, close to the positioning columns (11), of the telescopic sliding rods (22);

the driving mechanism (3) is connected with the clamping mechanism (2) and is used for driving the telescopic sliding rod (22) in the clamping mechanism (2) to move in a telescopic way in the sleeve (21).

2. The clamping tool for gear machining according to claim 1, wherein the number of the positioning columns (11) is at least 4, and the positioning columns are annularly and fixedly arranged on the top surface of the workbench (1).

3. The clamping tool for gear machining according to claim 2, wherein the driving mechanism (3) comprises a driving assembly (31) fixedly arranged inside the workbench (1), the driving assembly (31) is connected with a transmission assembly (32), and the bottom surface of the toothed plate (23) is detachably connected with the transmission assembly (32).

4. A clamping tool for gear machining according to claim 3, wherein the driving assembly (31) comprises a driving motor (311) fixedly arranged at the center position of the inner wall of the bottom surface of the workbench (1), the output end of the driving motor (311) is fixedly connected with a driving shaft (312), one end, far away from the driving motor (311), of the driving shaft (312) is connected with a mounting block (313), the top surface of the mounting block (313) is fixedly connected to the center position of the inner wall of the top surface of the workbench (1), and one end, close to the mounting block (313), of the driving shaft (312) is fixedly sleeved with a first bevel gear (314).

5. The clamping tool for gear machining according to claim 4, wherein the transmission assembly (32) is arranged below the clamping mechanism (2), the transmission assembly (32) comprises a bidirectional threaded rod (321) arranged between one side inner wall of the workbench (1) and the mounting block (313), the bidirectional threaded rod (321) is respectively and rotatably connected with one side inner wall of the workbench (1) and the mounting block (313), two sliding blocks (322) are sleeved on the bidirectional threaded rod (321), the bottom surface of the toothed plate (23) is detachably connected with the top surface of the sliding blocks (322), a connecting plate (323) is connected with the lower end of the sliding blocks (322) in a sliding mode, the inner side wall of the workbench (1) is fixedly connected with a second bevel gear (324) at one end, close to the mounting block (313), of the bidirectional threaded rod (321), and the first bevel gear (314) is meshed with the second bevel gear (324).

6. The clamping fixture for gear machining according to claim 5, wherein a through hole (325) is formed in the middle of the connecting plate (323), and the diameter of the through hole (325) is larger than that of the transmission shaft (312).

7. The clamping tool for gear machining according to claim 5, wherein the transmission assembly (32) corresponds to the positioning columns (11) in one-to-one correspondence in position and number.

8. The clamping tool for gear machining according to claim 5, wherein a fixing block (12) is fixedly arranged at the center of the top surface of the workbench (1), mounting plates (13) are fixedly connected to the periphery of the top surface of the workbench (1), a plurality of positioning columns (11) are annularly and uniformly distributed between the fixing block (12) and the mounting plates (13), mounting holes (14) are formed in the top surface of the workbench (1) and located on two sides of the positioning columns (11), and sliding blocks (322) penetrate through the mounting holes (14) and are connected with the toothed plates (23).

9. The clamping tool for gear machining according to claim 8, wherein a base (4) is fixedly arranged on the bottom surface of the workbench (1), an air cylinder (41) is arranged on the bottom surface of the base (4), a foot cup (42) is connected to the telescopic end of the air cylinder (41), and a universal wheel (43) is further arranged on the inner side of the air cylinder (41) and located on the bottom surface of the base (4).

10. The clamping tool for gear machining according to claim 1, wherein a spring (24) is fixedly connected between an inner wall of one side of the sleeve (21) and an end surface of one side of the telescopic slide bar (22) away from the toothed plate (23).