Eccentric block key groove machining tool

By using a clamping system combining an electric telescopic rod and a rubber sheet, along with a positioning structure consisting of a positioning rod and a positioning ring, the problems of uneven clamping force and debris interference in the machining of eccentric block keyways are solved, thus improving machining accuracy and ease of operation.

CN223684904UActive Publication Date: 2025-12-19JINGJIANG AIWEI MASCH PARTS MFG CO LTD
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Patent Information

Application Number
CN202423248498.1
Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-12-26
Publication Date
2025-12-19
Estimated Expiration
2034-12-26

AI Technical Summary

Technical Problem

In the prior art, the clamping force is uneven during the machining of eccentric block keyways, which affects the accuracy, and the adhesion of debris during the machining process affects the quality of the keyway.

Method used

The clamping system, which combines an electric telescopic rod and a rubber sheet, along with a positioning structure consisting of a positioning rod and a positioning ring, works in conjunction with a cleaning head and a collection box to achieve stable clamping of the eccentric block and debris removal.

Benefits of technology

It achieves uniform clamping of the eccentric blocks, improves the machining accuracy of the keyway, effectively cleans up debris, and simplifies the installation and disassembly process of the eccentric blocks.

✦ Generated by Eureka AI based on patent content.

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    Figure CN223684904U_ABST
Patent Text Reader

Abstract

The utility model provides an eccentric block key groove machining tool, which relates to the field of mechanical part machining and comprises a positioning plate, electric telescopic rods are fixedly mounted at the top of the positioning plate at equal intervals, a pressing plate is fixedly mounted at the tops of the electric telescopic rods, and a working opening is formed in the surface of the pressing plate. An eccentric block body is arranged at the top of the positioning plate, three grooves are formed in the top of the positioning plate, clamping assemblies are arranged in the grooves, a rubber sheet is fixedly installed at the bottom of the pressing plate, and a leakage groove is formed in the surface of the positioning plate. According to the device, the multiple electric telescopic rods are synchronously started to enable the pressing plate to descend, the eccentric block body installed at the top of the positioning plate is fixed, the clamping force of the eccentric block body is more uniform, and chippings attached to the surface of a milling cutter are cleaned through the cleaning head fixedly installed at one end of the installation rod; and the key slot can be better processed.
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Description

TECHNICAL FIELD

[0001] The utility model relates to mechanical part processing technical field especially, relates to an eccentric block key groove processing frock. BACKGROUND

[0002] The eccentric block key groove is the groove structure for installing the key that is processed on this part of eccentric block. The key groove cooperates with the key, can realize the circumferential fixing between eccentric block and shaft parts, transmits the torque, when designing eccentric block key groove, the eccentric block key groove size, shape are determined according to the connection demand, and the eccentric characteristic of eccentric block, working load are considered simultaneously. When manufacturing, the key groove is usually processed by milling, insert cutting process.

[0003] In the prior art, when the device is in use, the eccentric block is usually fixed by bolts, which is more cumbersome, and the clamping force of the eccentric block is prone to unevenness, affecting the key groove accuracy, and when the eccentric block key groove is processed, the debris during slotting is attached on the processing assembly, affecting the key groove accuracy. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of eccentric block key groove processing frock, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model adopts the following technical scheme: a kind of eccentric block key groove processing frock, comprising: positioning plate, the top of the positioning plate is fixedly installed with electric telescopic handle at equal distance, the top of the electric telescopic handle is fixedly installed with pressing plate, the surface of the pressing plate is equipped with working port, the top of the positioning plate is equipped with eccentric block body, the top of the positioning plate is equipped with recess, the number of the recess is three, the inside of the recess is equipped with clamping assembly, the bottom of the pressing plate is fixedly installed with rubber sheet, the surface of the positioning plate is equipped with leakage groove, the bottom of the positioning plate is fixedly installed with shell.

[0006] As a preferred implementation, the top of the positioning plate is fixedly installed with positioning rod, the number of the positioning rod is two, the surface of the eccentric block body is equipped with positioning slot, the number of the positioning slot is two, the inner wall of the positioning slot is sleeved on the surface of positioning rod.

[0007] As a preferred implementation, the top of the positioning plate is fixedly installed with positioning ring, the surface of the eccentric block body is equipped with installation slot, the inner wall of the installation slot is sleeved on the surface of positioning ring, the surface of the positioning ring is equipped with opening slot.

[0008] As a preferred implementation, the clamping assembly includes a round rod, two ends of the round rod are fixedly installed in two ends of the inner wall of the groove, a spring is movably sleeved on the surface of the round rod, a sliding block is movably sleeved on the surface of the round rod, and a clamping block is fixedly installed on the top of the sliding block.

[0009] As a preferred implementation, one end of the spring is fixedly installed in one end of the inner wall of the groove, and the other end of the spring is fixedly installed on one side of the sliding block.

[0010] As a preferred implementation, the top of the pressing plate is fixedly installed with a mounting block, the inside of the mounting block is movably installed with a mounting rod, and a cleaning head is fixedly installed at one end of the mounting rod.

[0011] As a preferred implementation, the inside of the shell is movably installed with a collection box, and a handle is fixedly installed on one side of the collection box.

[0012] Compared with the prior art, the utility model has the advantages and positive effects that:

[0013] 1. The eccentric block body is installed on the top of the positioning plate, a plurality of electric telescopic rods are synchronously started by the external controller to drive the pressing plate to descend, the eccentric block body is clamped and fixed, the rubber sheet fixedly installed at the bottom of the pressing plate makes the clamping effect better, the eccentric block is more stably fixed, the clamping force of the eccentric block is more uniform, and the device is more perfect.

[0014] 2. The cleaning head fixedly installed at one end of the mounting rod can clean the milling cutter in the lifting and the movement of the front and back and left and right, the debris adhered to the surface of the milling cutter is cleaned, the milling cutter is kept clean, the keyway can be better machined, and the device is more perfect. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 It is a side view of the eccentric block keyway machining tool provided by the utility model;

[0016] Figure 2 It is a side view of the pressing plate of the eccentric block keyway machining tool provided by the utility model;

[0017] Figure 3 It is a side view of the positioning plate of the eccentric block keyway machining tool provided by the utility model;

[0018] Figure 4 It is a side view of the eccentric block body of the eccentric block keyway machining tool provided by the utility model.

[0019] LEGEND:

[0020] 1, positioning plate; 101, leakage groove; 2, electric telescopic rod; 3, pressing plate; 301, working port; 4, eccentric block body; 401, positioning groove; 402, mounting groove; 5, positioning rod; 6, positioning ring; 601, open slot; 7, groove; 8, clamping assembly; 801, round rod; 802, spring; 803, sliding block; 804, clamping block; 9, rubber sheet; 10, mounting block; 11, mounting rod; 12, cleaning head; 13, shell; 14, collection box; 15, handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] Please refer to Figures 1-4 The utility model provides a kind of technical solutions: a eccentric block keyway processing frock, it include: positioning plate 1, the top of positioning plate 1 equidistance fixed mounting has electric telescopic rod 2, the top of electric telescopic rod 2 fixed mounting has pressing plate 3, the surface of pressing plate 3 is equipped with working port 301, the top of positioning plate 1 is provided with eccentric block body 4, the top of positioning plate 1 is equipped with recess 7, the number of recess 7 is three, recess 7 is provided with clamping assembly 8 in the inside, the bottom of pressing plate 3 fixed mounting has rubber sheet 9, the surface of positioning plate 1 is equipped with leakage groove 101, the bottom of positioning plate 1 fixed mounting has shell 13.

[0023] Specifically: when device starts to use, by installing eccentric block body 4 on the top of positioning plate 1, then by external controller synchronous start positioning plate 1 and the multiple electric telescopic rods 2 between pressing plate 3 installation, make electric telescopic rod 2 drop for the eccentric block body 4 installed on the top of positioning plate 1 clamping fixed, by the rubber sheet 9 fixedly installed at the bottom of pressing plate 3 make clamping effect better, make eccentric block get more stable fixation, make the clamping force of eccentric block more uniform, then by installing device on milling machine, by the working port 301 of the top of pressing plate 3 is equipped with to facilitate milling cutter for eccentric block processing keyway, by the surface of positioning plate 1 is equipped with leakage groove 101 make the debris generated in the process of eccentric block processing keyway fall into the shell 13 fixedly installed at the bottom of positioning plate 1 inside, so that device is not needed by bolt fixation when for eccentric block fixed, make eccentric block installation and disassembly more convenient, make device more perfect.

[0024] In one embodiment, the top of the positioning plate 1 is fixedly provided with positioning rods 5, the surface of the eccentric block body 4 is provided with positioning grooves 401, and the inner wall of the positioning grooves 401 is sleeved with the positioning rods 5.

[0025] Specifically, the positioning rods 5 movably embedded in the inner wall of the positioning grooves 401 on the surface of the eccentric block body 4 are fixedly installed on the top of the positioning plate 1, so that the eccentric block body 4 is limited when being installed on the top of the positioning plate 1, the eccentric block can be positioned more quickly, and the device is more perfect.

[0026] In one embodiment, the top of the positioning plate 1 is fixedly provided with a positioning ring 6, the surface of the eccentric block body 4 is provided with an installation groove 402, the inner wall of the installation groove 402 is sleeved with the surface of the positioning ring 6, and the surface of the positioning ring 6 is provided with an open groove 601.

[0027] Specifically, the inner wall of the installation groove 402 is sleeved with the surface of the positioning ring 6, so that when the eccentric block body 4 is installed on the top of the positioning plate 1, the positioning between the positioning grooves 401 and the positioning rods 5 is removed, and the positioning is performed through the installation groove 402 and the positioning ring 6, and the open groove 601 on the surface of the positioning ring 6 enables the positioning ring 6 to limit the eccentric block body 4 without affecting the key groove processing of the eccentric block body 4, so that the device is more perfect.

[0028] In one embodiment, the clamping assembly 8 comprises a round rod 801, both ends of the round rod 801 are fixedly installed in both ends of the inner wall of the groove 7, a spring 802 is movably sleeved with the surface of the round rod 801, a sliding block 803 is movably sleeved with the surface of the round rod 801, a clamping block 804 is fixedly installed on the top of the sliding block 803, one end of the spring 802 is fixedly installed in one end of the inner wall of the groove 7, and the other end of the spring 802 is fixedly installed on one side of the sliding block 803.

[0029] Specifically, when the eccentric block body 4 is installed on the top of the positioning plate 1, the spring 802 is sleeved with the surface of the round rod 801, the sliding block 803 is sleeved with the surface of the round rod 801, the spring 802 is installed between one end of the inner wall of the groove 7 and one side of the sliding block 803, the clamping block 804 fixedly installed on the top of the sliding block 803 is pressed to the eccentric block body 4 through the elasticity of the spring 802, and the eccentric block body 4 is stably kept when not being fixed on the top of the positioning plate 1 through the pressing of the three clamping blocks 804, so that the device is more perfect.

[0030] In one embodiment, the top of the pressing plate 3 is fixedly provided with an installation block 10, the inside of the installation block 10 is movably provided with an installation rod 11, and one end of the installation rod 11 is fixedly provided with a cleaning head 12.

[0031] Specifically: after the device is installed on the milling machine, the milling cutter processes the keyway for the eccentric block body 4 through the working port 301, and the milling cutter will move up and down and left and right during the processing. When the milling cutter is raised, the cleaning head 12 fixedly installed at one end of the mounting rod 11 cleans the adhered debris on the surface of the milling cutter, keeps the milling cutter clean, makes the keyway processing effect better, and makes the device more perfect.

[0032] In one embodiment, the inside of the shell 13 is movably mounted with a collecting box 14, and one side of the collecting box 14 is fixedly mounted with a handle 15.

[0033] Specifically: the debris falls into the collecting box 14 inside the shell 13 through the leakage groove 101, so that the debris is collected. The collecting box 14 can be taken out by pulling the handle 15 fixedly installed on one side of the collecting box 14, which facilitates the processing of the debris and makes the device more perfect.

[0034] Working principle: when the device starts to work, the eccentric block body 4 is installed on the top of the positioning plate 1, then the external controller synchronously starts the multiple electric telescopic rods 2 installed between the positioning plate 1 and the pressing plate 3, so that the electric telescopic rods 2 are lowered to clamp and fix the eccentric block body 4 installed on the top of the positioning plate 1, the rubber sheet 9 fixedly installed at the bottom of the pressing plate 3 makes the clamping effect better, the eccentric block is more stably fixed, and the clamping force of the eccentric block is more uniform. When the eccentric block body 4 is installed, the positioning rod 5 fixedly installed at the top of the positioning plate 1 is movably embedded in the inner wall of the positioning groove 401 formed in the surface of the eccentric block body 4, so that the eccentric block body 4 is limited when being installed on the top of the positioning plate 1, the eccentric block can be positioned more quickly, the inner wall of the installation groove 402 is sleeved on the surface of the positioning ring 6, so that the eccentric block body 4 is positioned by the installation groove 402 and the positioning ring 6 in addition to the positioning between the positioning groove 401 and the positioning rod 5, the opening groove 601 formed in the surface of the positioning ring 6 limits the positioning ring 6 to the eccentric block body 4 without affecting the key groove processing of the eccentric block body 4, the spring 802 is sleeved on the surface of the round rod 801, the sliding block 803 is sleeved on the surface of the round rod 801, the spring 802 is installed between one end of the inner wall of the recess 7 and one side of the sliding block 803, the clamping block 804 fixedly installed at the top of the sliding block 803 is pressed to the eccentric block body 4 through the elasticity of the spring 802, the three clamping blocks 804 press the eccentric block body 4 to keep the eccentric block body 4 stable when it is not fixed on the top of the positioning plate 1, then the device is installed on the milling machine, the working port 301 formed in the top of the pressing plate 3 facilitates the milling cutter to process the key groove of the eccentric block, the leakage groove 101 formed in the surface of the positioning plate 1 makes the debris generated in the process of processing the key groove of the eccentric block fall into the collecting box 14 in the housing 13, so that the debris is collected, the handle 15 fixedly installed on one side of the collecting box 14 is pulled to take out the collecting box 14, which facilitates the treatment of the debris, so that the device does not need to be fixed by bolts when fixing the eccentric block, the installation and disassembly of the eccentric block are more convenient, and the device is more perfect. In the process of key groove processing, the milling cutter processes the key groove of the eccentric block body 4 through the working port 301, the milling cutter moves up and down and left and right during processing, the cleaning head 12 fixedly installed at one end of the installation rod 11 cleans the debris adhered to the surface of the milling cutter when the milling cutter is raised, keeps the milling cutter clean, makes the key groove processing effect better, and makes the device more perfect.

[0035] The above merely describes preferred embodiments of the present application, and is not intended to limit the present application in other forms, and any skilled person in the art can modify or change the above disclosed technical content to equivalent embodiments applied to other fields with equivalent changes, but any simple modification, equivalent change and modification made to the above embodiments according to the technical essence of the present application without departing from the technical scheme of the present application still falls within the protection scope of the present application.

Claims

1. An eccentric keyway machining tool, characterized by, Include: The top of the positioning plate (1) is fixedly installed with an electric telescopic rod (2), the top of the electric telescopic rod (2) is fixedly installed with a pressing plate (3), the surface of the pressing plate (3) is provided with a working port (301), the top of the positioning plate (1) is provided with an eccentric block body (4), the top of the positioning plate (1) is provided with a groove (7), the number of the groove (7) is three, the inside of the groove (7) is provided with a clamping assembly (8), the bottom of the pressing plate (3) is fixedly installed with a rubber sheet (9), the surface of the positioning plate (1) is provided with a leakage groove (101), the bottom of the positioning plate (1) is fixedly installed with a shell (13).

2. The eccentric keyway machining tooling fixture of claim 1, wherein: The top of the positioning plate (1) is fixedly installed with a positioning rod (5), the number of the positioning rod (5) is two, the surface of the eccentric block body (4) is provided with a positioning groove (401), the number of the positioning groove (401) is two, the inner wall of the positioning groove (401) is sleeved on the surface of the positioning rod (5).

3. The eccentric keyway machining tooling of claim 1, wherein: The top of the positioning plate (1) is fixedly installed with a positioning ring (6), the surface of the eccentric block body (4) is provided with a mounting groove (402), the inner wall of the mounting groove (402) is sleeved on the surface of the positioning ring (6), the surface of the positioning ring (6) is provided with an opening groove (601).

4. The eccentric keyway machining tooling fixture of claim 1, wherein: The clamping assembly (8) comprises a round rod (801), both ends of the round rod (801) are fixedly installed in both ends of the inner wall of the groove (7), the surface of the round rod (801) movably sleeved with a spring (802), the surface of the round rod (801) movably sleeved with a sliding block (803), the top of the sliding block (803) is fixedly installed with a clamping block (804).

5. The eccentric keyway machining tooling fixture of claim 4, wherein: One end of the spring (802) is fixedly installed in one end of the inner wall of the groove (7), the other end of the spring (802) is fixedly installed on one side of the sliding block (803).

6. The eccentric keyway machining tool of claim 1, wherein: The top of the pressing plate (3) is fixedly installed with a mounting block (10), the inside of the mounting block (10) movably installed with a mounting rod (11), one end of the mounting rod (11) is fixedly installed with a cleaning head (12).

7. The eccentric keyway machining tool of claim 1, wherein: The inside of the shell (13) movably installed with a collecting box (14), one side of the collecting box (14) is fixedly installed with a handle (15).