CN220592263U

CN220592263U - Clamping tool for machining irregular parts

Info

Publication number: CN220592263U
Application number: CN202322232769.3U
Authority: CN
Inventors: 何长斌; 王勇; 安志学; 张涛
Original assignee: Guiyang Hezhong Precision Machinery Manufacturing Co ltd
Current assignee: Guiyang Hezhong Precision Machinery Manufacturing Co ltd
Priority date: 2023-08-18
Filing date: 2023-08-18
Publication date: 2024-03-15
Anticipated expiration: 2033-08-18

Abstract

The utility model discloses a clamping tool for machining irregular parts, which comprises a fixed base, a containing sliding block and a supporting pipeline, wherein the upper surface of the fixed base is fixedly connected with a workbench, an adjusting screw rod is connected between the lower end of the workbench and the fixed base, and a sliding groove is formed in the upper surface of the workbench. This centre gripping frock is used in irregular part processing is provided with accommodate the lead screw and rubs the cardboard, make this device during operation, make its installation slider that drives the surface slide through rotating accommodate the lead screw change its distance with the part, be convenient for adjust this device's fastening mechanism according to the area size of part, improve this device to the fixed effect of different size parts, and when fixed part, promote the linkage piece through the part surface and slide, make the linkage piece promote the friction cardboard and be close to spacing lead screw, be convenient for suppress the improvement frictional force to spacing lead screw, reduce the impact force of part when processing and cause the loosening of fixed clamp plate.

Description

Clamping tool for machining irregular parts

Technical Field

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

Background

In the machining process, the production rate can be improved by using tooling equipment in batch machining, so that the product quality is stable, lathes and numerical control lathes in the prior art are widely used for machining various revolving body parts such as discs or shafts, and for simple shaft parts, discs and sleeves, the requirements can be met by using universal fixtures, but the machining of complex or irregular parts needs to be designed to improve the machining efficiency and ensure the smooth proceeding of the machining process.

The existing workpiece is provided with a plurality of special-shaped parts which are not revolving bodies, a screw is required to be arranged on the surface of a workbench of a machine tool, corners of the special-shaped parts are pressed and fixed on the surface of the screw through a pressing block, as disclosed in publication No. CN209319345U, a quick clamping tool suitable for irregular workpieces is disclosed, wherein the pressing area and the pressing force for the irregular workpieces can be increased by respectively pressing different positions on the upper and lower directions of the workpiece on the same upright column through a locking pressing mechanism, the workpiece can be ensured to be clamped stably, but the locking pressing mechanism in the tool is fixedly arranged, and cannot be clamped and fixed effectively when the parts with different areas are processed.

Disclosure of Invention

The utility model aims to provide a clamping tool for irregular part machining, which solves the problem that the clamping and pressing mechanism for the tool disclosed in the background art is fixedly arranged and cannot be used for effectively clamping and fixing when parts with different areas are machined.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an irregular part processing is with centre gripping frock, includes unable adjustment base, accomodates slider and support pipeline, unable adjustment base's upper surface fixedly connected with workstation, and be connected with accommodate the lead screw between unable adjustment base's lower extreme and the unable adjustment base, the spout has been seted up to the upper surface of workstation spout, and the inner wall of workstation spout is provided with the installation slider, the upper end side surface fixedly connected with buffer stop of installation slider, and the upper surface of installation slider is provided with the recess to the bottom surface of installation slider recess is connected with spacing lead screw, the upper end surface mounting of spacing lead screw has fixed clamp plate, and the one end lower surface embedded of fixed clamp plate installs the linkage piece to fixed clamp plate's internally mounted has friction clamping plate, the linkage baffle is installed to unable adjustment base's upper surface embedded, and unable adjustment base's internally mounted has the accomodate slider, unable adjustment base's internally mounted has first gear, unable adjustment base's internally mounted has the second gear, unable adjustment base's inside is fixed with support pipeline, and supports the upper end of pipeline and fixed sucking disc's upper end runs through unable adjustment base's upper surface, the surface of support pipeline, the embedded type of support slider has a fixed magnet 2, the embedded type of surface mounting of location of magnet 2.

Preferably, the fixed base and the workbench are both rotatably connected with the adjusting screw, the adjusting screw is in threaded connection with the lower end of the installation sliding block, the installation sliding block is in sliding connection with the workbench, the buffer stop block is in an arc-shaped design, and the buffer stop block is a block made of rubber.

By adopting the technical scheme, the installation slider is driven to slide by rotating the adjusting screw rod, and the impact of the device on parts is reduced by the buffer stop block.

Preferably, the limit screw rod is rotationally connected with the installation slider, the limit screw rod is in threaded connection with the fixed pressing plate, the fixed pressing plate is in sliding connection with the installation slider, the fixed pressing plate is in sliding connection with the linkage block, a spring is connected between the fixed pressing plate and the linkage block, the upper end of the linkage block is in arc-shaped design, the surface of the friction clamping plate, facing the linkage block, is in inclined design, and one end of the friction clamping plate penetrates through the inner wall of the cavity between the fixed pressing plate and the limit screw rod.

By adopting the technical scheme, the limiting screw rod is rotated to drive the fixed pressing plate on the surface to slide, so that the fixed pressing plate slides downwards, and the linkage block is pushed to slide upwards by the part.

Preferably, the cross section of the linkage baffle in the vertical direction is of a T-shaped design, the linkage baffle and the workbench form sliding connection, the lower end of the linkage baffle penetrates through the upper surface of the storage slide block, the linkage baffle and the storage slide block form sliding connection, a spring is connected between the linkage baffle and the storage slide block, the storage slide block and the workbench form sliding connection, the spring is connected between the storage slide block and the workbench, and the tooth block is arranged on the side surface of the lower end of the storage slide block.

By adopting the technical scheme, the linkage baffle is pushed to slide downwards through the part, so that the linkage baffle drives the storage slide block to move.

Preferably, the first gear and the second gear are both in rotary connection with the workbench, the surfaces of the rotating shafts of the first gear and the second gear are both provided with chain wheels, a transmission chain is arranged between the first gear and the second gear, and the first gear is in meshed connection with the accommodating sliding block.

By adopting the technical scheme, the accommodating slide block drives 2 first gears to rotate, so that the first gears drive the second gears to rotate through the transmission chain.

Preferably, the support pipeline is communicated with the fixed sucker, the support pipeline and the linkage rod form sliding connection, the upper end of the linkage rod is provided with a piston, the side surface of the lower end of the linkage rod is provided with a tooth block, the linkage rod is meshed with the second gear through the tooth block, a spring is connected between the linkage rod and the workbench, a spring is connected between the locating pin and the storage sliding block, and the locating pin and the linkage baffle form clamping connection.

By adopting the technical scheme, the second gear drives the linkage rod to move, so that the linkage rod slides upwards through the piston to push out the air in the supporting pipeline and the fixed sucker.

Compared with the prior art, the utility model has the beneficial effects that: this irregular part processing is with centre gripping frock:

1. the adjusting screw rod and the friction clamping plate are arranged, so that when the device works, the adjusting screw rod is rotated to drive the surface mounting sliding block to slide to change the distance between the adjusting screw rod and a part, the fastening mechanism of the device is convenient to adjust according to the area of the part, the fixing effect of the device on parts with different sizes is improved, and when the parts are fixed, the linkage block is pushed to slide through the surface of the part, so that the linkage block pushes the friction clamping plate to be close to the limit screw rod, the limit screw rod is convenient to press and improve the friction force, and the loosening of the fixed pressing plate caused by the impact force of the part during processing is reduced;

2. the linkage baffle and the storage slide block are arranged, so that the device can support the part through the linkage baffle and the storage slide block, the damage of impact force to the part is reduced through the spring at the lower end of the storage slide block when the part descends, and the part is protected through the buffer baffle block when the installation slide block slides to be close to the part, the side surface of the part is prevented from being scratched, and the practicability of the device is improved;

3. be provided with gangbar and fixed sucking disc, make this device drive first gear and second gear through accomodating the slider and rotate when the part is placed, thereby the second gear drives the air discharge in the gangbar and push support pipeline and the fixed sucking disc that slides, after the part was placed, through the 2 locating pins of magnet attraction slip unclamped accomodate the slider, make accomodate the slider by lower extreme spring promotion slide up, make the second gear reverse drive gangbar gliding, make negative pressure between fixed sucking disc and the part, the device of being convenient for adsorbs fixedly to the part, improve this device to the fixed effect of part.

Drawings

FIG. 1 is a schematic diagram of the overall front cross-sectional structure of the present utility model;

FIG. 2 is a schematic diagram of the overall side cross-sectional structure of the present utility model;

FIG. 3 is a schematic overall cross-sectional view of the present utility model;

fig. 4 is an enlarged schematic view of the structure of fig. 1 a according to the present utility model.

In the figure: 1. a fixed base; 2. a work table; 3. adjusting a screw rod; 4. installing a sliding block; 5. a buffer stop; 6. a limit screw rod; 7. a fixed pressing plate; 8. a linkage block; 9. a friction clamping plate; 10. a linkage baffle; 11. a storage slide block; 12. a first gear; 13. a second gear; 14. supporting the pipeline; 15. fixing a sucker; 16. a linkage rod; 17. a positioning pin; 18. and (3) a magnet.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-4, the present utility model provides a technical solution: the utility model provides a centre gripping frock is used in irregular parts processing, including unable adjustment base 1, the workstation 2, accommodate the lead screw 3, install slider 4, buffer stop 5, spacing lead screw 6, fixed clamp plate 7, linkage piece 8, friction cardboard 9, linkage baffle 10, accomodate slider 11, first gear 12, second gear 13, support pipe 14, fixed suction cup 15, the gangbar 16, locating pin 17 and magnet 18, unable adjustment base 1's upper surface fixedly connected with workstation 2, and be connected with accommodate the lead screw 3 between the lower extreme of workstation 2 and unable adjustment base 1, the spout has been seted up to the upper surface of workstation 2, and the inner wall of workstation 2 spout is provided with install slider 4, unable adjustment base 1 and workstation 2 all constitute and rotate with accommodate the lead screw 3 to be connected, and adjust lead screw 3 constitutes threaded connection with the lower extreme of install slider 4, and install slider 4 and workstation 2 constitutes sliding connection, buffer stop 5 is the arc design, and buffer stop 5 is the piece that the piece of making of rubber, when using this device, place the part on the surface of workstation 2 at first, afterwards, rotate accommodate the 3 according to the area size of part, make accommodate the slider 3 drive the device that is close to the size of the same as the part, it does not have the improvement to the fixed part of the size to be suitable for the part.

The upper end side surface fixedly connected with buffering dog 5 of installation slider 4, and the upper surface of installation slider 4 is provided with the recess, and the bottom surface of installation slider 4 recess is connected with spacing lead screw 6, the upper end surface mounting of spacing lead screw 6 has fixed clamp plate 7, and the one end lower surface embedding of fixed clamp plate 7 installs linkage piece 8, and the internally mounted of fixed clamp plate 7 has friction clamp plate 9, spacing lead screw 6 constitutes rotatable coupling with installation slider 4, and spacing lead screw 6 constitutes threaded connection with fixed clamp plate 7, and fixed clamp plate 7 constitutes sliding connection with installation slider 4, fixed clamp plate 7 constitutes sliding connection with linkage piece 8, and be connected with the spring between fixed clamp plate 7 and the linkage piece 8, the upper end of linkage piece 8 is the arc design, the surface of friction clamp plate 9 orientation linkage piece 8 is the slope design, and the one end of friction clamp plate 9 runs through the inner wall of cavity between fixed clamp plate 7 and the spacing lead screw 6, the buffering dog 5 through the surface when installation slider 4 slides, prevent to produce the damage to the side of part, then make the fixed clamp plate 7 of its drive surface slide down and be close to the surface, make the part 8 promote sliding connection, and the one end of friction clamp plate 8 is close to the friction clamp plate 9 is close to the fixed clamp plate 6, thereby the fixed clamp plate 9 is close to the sliding stability between the fixed clamp plate 6 and the fixed clamp plate 6.

The upper surface of unable adjustment base 1 is embedded installs linkage baffle 10, and unable adjustment base 1's inside is provided with accomodates slider 11, linkage baffle 10 vertical direction cross-section is T type design, and linkage baffle 10 constitutes sliding connection with workstation 2, and linkage baffle 10's lower extreme runs through accomodate slider 11's upper surface, linkage baffle 10 constitutes sliding connection with accomodate slider 11, and be connected with the spring between linkage baffle 10 and accomodate slider 11, accomodate slider 11 constitutes sliding connection with workstation 2, and accomodate and be connected with the spring between slider 11 and the workstation 2, and accomodate slider 11 lower extreme side surface is provided with the tooth piece, thereby it is gliding to drive accomodate slider 11 through suppressing linkage baffle 10 when the part prevents, make accomodate the spring of slider 11 lower extreme and cushion the impact force that the part produced, accomodate slider 11 later and drive first gear 12 through the tooth piece on side surface and rotate, and first gear 12 drives second gear 13 through the drive chain.

The internally mounted of unable adjustment base 1 has first gear 12, and unable adjustment base 1's internally mounted has second gear 13, first gear 12 and second gear 13 all constitute to rotate with workstation 2 and are connected, and first gear 12 and second gear 13 pivot surface all are provided with the sprocket, and be provided with the drive chain between first gear 12 and the second gear 13, first gear 12 constitutes the meshing with accomodate slider 11 and is connected, second gear 13 rotates the back and drives the gangbar 16 through the tooth piece and slide upward, the piston through the upper end will support the air discharge in pipeline 14 and the fixed sucking disc 15 after the gangbar 16 slides upward.

The inside of unable adjustment base 1 is fixed with support pipe 14, and the upper end of support pipe 14 is provided with fixed sucking disc 15, and fixed sucking disc 15's upper end runs through unable adjustment base 1's upper surface, the embedded linkage pole 16 of installing in lower surface of support pipe 14, the embedded side surface of accomodating slider 11 upper end is installed 2 locating pins 17, the inner wall of unable adjustment base 1 cavity is fixed with 2 magnets 18, support pipe 14 is linked together with fixed sucking disc 15, and support pipe 14 constitutes sliding connection with linkage pole 16, and the linkage pole 16 upper end is provided with the piston, linkage pole 16 lower extreme side surface is provided with the tooth piece, and linkage pole 16 constitutes meshing connection through tooth piece and second gear 13, and be connected with the spring between linkage pole 16 and the workstation 2, be connected with the spring between locating pin 17 and accomodating slider 11, and the locating pin 17 constitutes block connection with the linkage baffle 10, place the workstation 2 surface along with accomodating slider 11 slides along with magnet 18 at this moment, make magnet 18 attract locating pin 17 make its slip loosen accomodating slider 11 and baffle 10, accomodating slider 11 and the gear wheel 11 and the second gear 13 and take down, thereby the fixed part is driven by the opposite tooth piece is driven to the second gear 13 simultaneously, the negative pressure device is convenient for the fixed part is formed between the opposite side surface of the fixed part is reduced to the second gear 13.

Working principle: when the clamping tool for irregular part machining is used, firstly, parts are placed on the workbench 2, the parts push the linkage baffle plate 10 and the storage slide block 11 to slide downwards, the storage slide block 11 drives the first gear 12 to rotate through a tooth block on the surface, the first gear 12 drives the second gear 13 to rotate through a transmission chain, finally the second gear 13 drives the linkage rod 16 to slide upwards so as to discharge air in the supporting pipeline 14 and the fixed suction disc 15, after the parts are placed, the magnet 18 attracts the positioning pin 17 to enable the positioning pin 17 to slide and loosen the storage slide block 11 and the linkage baffle plate 10, then the storage slide block 11 is pushed upwards by the lower end to drive the first gear 12 and the second gear 13 to rotate reversely, the linkage rod 16 slides downwards, negative pressure in the fixed suction disc 15 is convenient to adsorb and fix the parts, the installation slide block 4 is driven according to the area of the parts through rotation of the adjusting screw rod 3, then the fixed pressure plate 7 is driven to press the surfaces of the parts through the rotation of the limiting screw rod 6, the friction clamp plate 9 is pushed by the parts, and the limiting screw rod 9 is enabled to push the whole limiting screw rod 6, and the whole practicability of the limiting screw rod 6 and the fixed pressure plate 7 is improved.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides an irregular part processing is with centre gripping frock, includes unable adjustment base (1), accomodates slider (11) and support pipeline (14), its characterized in that: the utility model discloses a fixed pipeline fixing device, including fixed base (1) and fixed base (1), fixed base (1)'s upper surface fixedly connected with workstation (2), and be connected with accommodate screw (3) between the lower extreme of workstation (2) and fixed base (1), the spout has been seted up to the upper surface of workstation (2), and the inner wall of workstation (2) spout is provided with installation slider (4), the upper end side fixed surface of installation slider (4) is connected with buffer stop (5), and the upper surface of installation slider (4) is provided with the recess to the bottom surface of installation slider (4) recess is connected with spacing lead screw (6), fixed clamp plate (7) are installed to the upper end surface of spacing lead screw (6), and the one end lower surface embedded installation of fixed clamp plate (7) has linkage piece (8) to the internally mounted of fixed clamp plate (7) has friction cardboard (9), the upper surface embedded installation of fixed base (1) has linkage baffle (10), and the inside of fixed base (1) is provided with accomodates slider (11), the internally mounted of fixed base (1) has first gear (12), and fixed base (1) inner mounting (14) is provided with fixed sucking disc (14), and the upper end of the fixed sucker (15) penetrates through the upper surface of the fixed base (1), a linkage rod (16) is embedded in the lower surface of the supporting pipeline (14), 2 positioning pins (17) are embedded in the side surface of the upper end of the accommodating slide block (11), and 2 magnets (18) are fixed on the inner wall of the cavity of the fixed base (1).

2. The clamping tool for machining irregular parts according to claim 1, wherein: the fixed base (1) and the workbench (2) are rotationally connected with the adjusting screw rod (3), the adjusting screw rod (3) is in threaded connection with the lower end of the installation sliding block (4), the installation sliding block (4) is in sliding connection with the workbench (2), the buffer stop block (5) is of an arc-shaped design, and the buffer stop block (5) is a block made of rubber.

3. The clamping tool for machining irregular parts according to claim 1, wherein: the utility model discloses a friction clamp plate, including fixed clamp plate (9), fixed clamp plate (7), fixed clamp plate (9) and fixed clamp plate (7), fixed clamp plate (9) and fixed clamp plate (9) are connected, fixed clamp plate (7) and fixed clamp plate (7) are connected with fixed clamp plate (7) and fixed clamp plate (8) are connected with fixed clamp plate, fixed clamp plate (7) and fixed clamp plate (7) are connected with fixed clamp plate (8) respectively, fixed clamp plate (7) and fixed clamp plate (7) are connected with fixed clamp plate and fixed clamp plate (8) respectively, fixed clamp plate (8) are connected with fixed clamp plate and fixed clamp plate.

4. The clamping tool for machining irregular parts according to claim 1, wherein: the vertical section of the linkage baffle (10) is of a T-shaped design, the linkage baffle (10) and the workbench (2) form sliding connection, the lower end of the linkage baffle (10) penetrates through the upper surface of the storage slide block (11), the linkage baffle (10) and the storage slide block (11) form sliding connection, a spring is connected between the linkage baffle (10) and the storage slide block (11), the storage slide block (11) and the workbench (2) form sliding connection, the spring is connected between the storage slide block (11) and the workbench (2), and the side surface of the lower end of the storage slide block (11) is provided with a tooth block.

5. The clamping tool for machining irregular parts according to claim 1, wherein: the first gear (12) and the second gear (13) are in rotary connection with the workbench (2), chain wheels are arranged on the surfaces of rotating shafts of the first gear (12) and the second gear (13), a transmission chain is arranged between the first gear (12) and the second gear (13), and the first gear (12) is in meshed connection with the accommodating sliding block (11).

6. The clamping tool for machining irregular parts according to claim 1, wherein: the support pipeline (14) is communicated with the fixed sucker (15), the support pipeline (14) and the linkage rod (16) form sliding connection, a piston is arranged at the upper end of the linkage rod (16), a tooth block is arranged on the side surface of the lower end of the linkage rod (16), the linkage rod (16) is connected with the second gear (13) through the tooth block in a meshed mode, a spring is connected between the linkage rod (16) and the workbench (2), a spring is connected between the locating pin (17) and the accommodating sliding block (11), and the locating pin (17) is connected with the linkage baffle (10) in a clamping mode.