CN112223165A

CN112223165A - Clamping device is used in machining of mechanical parts

Info

Publication number: CN112223165A
Application number: CN202011470662.7A
Authority: CN
Inventors: 李月超; 李万虎; 戚航; 刘红亮; 李婷
Original assignee: Xinxiang Vocational and Technical College
Current assignee: Xinxiang Vocational and Technical College
Priority date: 2020-12-15
Filing date: 2020-12-15
Publication date: 2021-01-15
Anticipated expiration: 2040-12-15
Also published as: CN112223165B

Abstract

The invention discloses a clamping device for machining a mechanical workpiece, which comprises a supporting base, a rotating disc, a conversion driving piece, a clamping and fastening driving piece, a clamping piece, a workpiece replacing component, a workpiece replacing driving piece and a clamping piece rebounding component, wherein the supporting base comprises a supporting bottom plate, four corners of the supporting bottom plate are provided with mounting through holes for mounting the device, the upper surface of the supporting bottom plate is provided with a sliding track and a vertical supporting plate, the sliding track is positioned at one side of the vertical supporting plate, the vertical supporting plate is connected with the rotating disc through a bearing, the rotating disc is uniformly provided with two clamping pieces in a sliding connection conical structure, one side of the rotating disc is provided with the clamping piece rebounding component for pressing the small end of the clamping piece, the clamping device for machining the mechanical workpiece has simple structure, not only ensures that the workpiece is replaced more quickly, the processing speed can be greatly improved, and the damage to workers caused when the workpiece is replaced can be prevented.

Description

Clamping device is used in machining of mechanical parts

Technical Field

The invention relates to the technical field of machining, in particular to a clamping device for machining a mechanical workpiece.

Background

The machining process is a process of changing the overall dimension or performance of a workpiece through a mechanical device, and can be divided into cutting and pressure machining according to the difference of machining modes, the production process is a whole process of manufacturing a product or a semi-finished product from raw materials, in the machining process, in order to conveniently cut or press the workpiece, the workpiece needs to be clamped and fixed firstly, a specially-made clamping tool needs to be used for some cylindrical workpieces, a clamping device used for machining the existing mechanical workpiece is complex in structure, the workpiece needs to be manually installed on the clamping device in the using process, the machined workpiece is manually taken down after the machining of one workpiece is finished, then a new machined workpiece is placed on the clamping device, the replacement efficiency is low, and the human body is easily damaged during replacement.

Disclosure of Invention

The clamping device for machining the mechanical workpiece is simple in structure, can change the workpiece more quickly, can greatly improve machining speed, can prevent workers from being injured when the workpiece is changed, and can effectively solve the problems in the background art.

In order to achieve the purpose, the invention provides the following technical scheme: a clamping device for machining a mechanical workpiece comprises a supporting base, a rotating disc, a conversion driving piece, a clamping fastening driving piece, a clamping piece, a workpiece replacing component, a workpiece replacing driving piece and a clamping piece rebounding component, wherein the supporting base comprises a supporting bottom plate, four corners of the supporting bottom plate are provided with installation through holes for installing the device, the upper surface of the supporting bottom plate is provided with a sliding track and a vertical supporting plate, the sliding track is positioned on one side of the vertical supporting plate, the vertical supporting plate is connected with the rotating disc through a bearing, the rotating disc is uniformly provided with two clamping pieces which are in a sliding connection and have a conical structure, one side of the rotating disc is provided with the clamping piece rebounding component for pressing the small end of the clamping piece, one side of the vertical supporting plate is provided with the conversion driving piece for driving the rotating disc to overturn, the conversion driving piece is positioned on one side of the large end of the clamping piece, the upper surface of the sliding track is provided with a workpiece replacing component in sliding connection, the workpiece replacing component corresponds to the small end of a clamping piece below, a vertical supporting plate is provided with a workpiece replacing driving part for driving the workpiece replacing component to move leftwards and rightwards, the rotating disc comprises a rotating disc body, two conical sliding holes are uniformly arranged on the rotating disc body, two sliding grooves are arranged in each conical sliding hole, the two clamping pieces can be supported through the two conical sliding holes and can slide along the sliding holes, the processed workpiece can be rapidly switched through the two clamping pieces, each clamping piece comprises two corresponding clamping plates, the two clamping plates are integrally in a conical structure, sliding battens in sliding connection with the sliding grooves are arranged on the outer sides of the two clamping plates, clamping grooves are arranged on the inner sides of the two clamping plates, and the clamping grooves at the small ends of the clamping plates are in a conical structure, the center of the small end of the clamping plate is provided with a side connecting plate, a workpiece can be fixed through the two clamping plates, the workpiece can be positioned more accurately through the clamping groove, the distance between the clamping plates can be reduced when the clamping plates slide along the sliding groove, the clamping fastening driving piece comprises a vertical connecting plate arranged on the upper surface of the supporting base plate, the upper end of one side of the vertical connecting plate is connected with a second hydraulic telescopic column through a bolt, the telescopic end of the second hydraulic telescopic column is connected with a pressing plate through a bolt, the pressing plate corresponds to the clamping piece above in the left-right direction, the inlet of the second hydraulic telescopic column is connected with the outlet of an external oil pump through a conduit, the pressing plate can be driven to move through the second hydraulic telescopic column, one ends of the two clamping plates can be pressed through the pressing plate, the workpiece is clamped by moving the two clamping plates to the middle, the workpiece replacing assembly, the middle of the upper surface of the sliding connection seat is provided with a workpiece supporting table, the upper surface of the workpiece supporting table is of an L-shaped structure, the upper surface of the workpiece supporting table corresponds to a clamping piece below the workpiece supporting table, the workpiece to be processed can be supported through the workpiece supporting table, and the workpiece is moved left and right through the sliding connection seat sliding on the sliding rail, so that the workpiece inside the clamping piece can be replaced.

Further, holder resilience assembly is equipped with the blind hole of being connected with connecting spring including setting up the connecting spring on rotating the disk body, and connecting spring's one end is equipped with the connection clamp plate, and connection clamp plate and the laminating of side connecting plate one side can stimulate connection clamp plate through connecting spring, and can pull back the open state of clamp plate to the holder through connection clamp plate to this makes things convenient for the work piece to take off from the holder.

Further, the conversion driving piece includes the transmission post of being connected with rotation disk body one side center, the transmission post is kept away from and is equipped with the gear with the one end that rotates the disk body and be connected, the downside of gear is equipped with the rack rather than the meshing, the one end of rack is equipped with hydraulic telescoping post one, the one end of hydraulic telescoping post one is passed through the support and is connected with one side of vertical support board, the import of hydraulic telescoping post one passes through pipe and outside oil pump exit linkage, can drive the rack through hydraulic telescoping post one and remove, drive gear revolve through the rack, rotate the disk body rotation by the gear drive, with this quick switch-over that realizes the work piece, when the rolling disc drives the work piece and rotates, prevent by the inside protection line of clamping groove that the work piece from dropping, with this guarantee that the.

Furthermore, the upper surface of the workpiece supporting table is provided with a fixed supporting groove of a V-shaped structure, a magnet adsorption plate is arranged on one side of a vertical plate of the workpiece supporting table, the workpiece can be supported through the fixed supporting groove, and one end of the workpiece can be adsorbed and fixed through the magnet adsorption plate.

Further, the driving piece is changed to the work piece includes the motor of being connected with vertical support plate, the output shaft of motor runs through vertical support plate one side and is connected with the screw thread post, the screw thread post is connected with work piece supporting bench lower extreme through threaded connection's mode, the output of external switch is connected to the input electricity of motor, can drive the screw thread post through the motor and rotate, it can drive the work piece and change the subassembly and remove on the sliding rail to rotate through the screw thread post, it removes to drive the work piece by the work piece subassembly, with this can insert inside the holder with work piece one end.

Compared with the prior art, the invention has the beneficial effects that: the clamping device for machining the mechanical workpiece has the following advantages:

1. the clamping groove is provided with the conical sliding holes, the two clamping pieces can be supported through the two conical sliding holes, the clamping pieces can slide along the sliding groove, the machined workpieces can be quickly switched through the two clamping pieces, the workpieces can be fixed through the two clamping plates, the workpieces can be accurately positioned through the clamping groove, and the distance between the clamping plates can be shortened when the clamping plates slide along the sliding groove.

2. The hydraulic telescopic column I is arranged on the workpiece clamping device, the rack can be driven to move through the hydraulic telescopic column I, the gear is driven to rotate through the rack, the rotating disc body is driven to rotate through the gear, so that the workpiece is rapidly switched, when the rotating disc drives the workpiece to rotate, the workpiece is prevented from falling through the protective lines in the clamping grooves, so that the workpiece is enabled to rotate to an upper machining position, the pressing plate can be driven to move through the hydraulic telescopic column II, one ends of the two clamping plates can be pressed through the pressing plate, and the workpiece is clamped through the two clamping plates moving towards the middle.

3. The clamping device for machining the mechanical workpiece is simple in structure, not only can the workpiece be replaced more quickly, but also the machining speed can be greatly improved, and the damage to workers caused by replacing the workpiece can be prevented.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic side view of the present invention;

FIG. 3 is a cross-sectional view of the holder according to the present invention;

FIG. 4 is a schematic cross-sectional view of a rotating disk according to the present invention;

fig. 5 is an enlarged schematic view of a clamping member a of the present invention.

In the figure: the device comprises a supporting base 1, a mounting through hole 11, a sliding track 12, a supporting bottom plate 13, a vertical supporting plate 14, a rotating disc 2, a conical sliding hole 21, a rotating disc body 22, a sliding connection groove 23, a conversion driving part 3, a support 31, a hydraulic telescopic column 32I, a rack 33, a gear 34, a transmission column 35, a clamping fastening driving part 4, a vertical connecting plate 41, a pressing plate 42, a hydraulic telescopic column 43 II, a clamping part 5, a side connecting plate 51, a clamping groove 52, a clamping plate 53, a sliding strip plate 54, a workpiece replacing component 6, a sliding connection seat 61, a fixed supporting groove 62, a workpiece supporting table 63, a magnet adsorbing plate 64, a workpiece replacing driving part 7, a threaded column 71, a motor 72, a clamp rebounding component 8, a connecting spring 81 and a connecting pressing plate 82.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-5, the present invention provides a technical solution: a clamping device for machining a mechanical workpiece comprises a supporting base 1, a rotating disc 2, a conversion driving piece 3, a clamping fastening driving piece 4, a clamping piece 5, a workpiece replacing component 6, a workpiece replacing driving piece 7 and a clamping piece rebounding component 8, wherein the supporting base 1 comprises a supporting base plate 13, mounting through holes 11 for mounting the device are formed in four corners of the supporting base plate 13, a sliding rail 12 and a vertical supporting plate 14 are arranged on the upper surface of the supporting base plate 13, the sliding rail 12 is positioned on one side of the vertical supporting plate 14, the rotating disc 2 is connected onto the vertical supporting plate 14 through a bearing, two clamping pieces 5 which are in sliding connection and have a conical structure are uniformly arranged on the rotating disc 2, the clamping piece rebounding component 8 which presses the small end of the clamping piece 5 is arranged on one side of the rotating disc 2, the conversion driving piece 3 which drives the rotating disc 2 to overturn is arranged on one side of the vertical supporting plate 14, and, the upper surface of the supporting bottom plate 13 is provided with a clamping fastening driving part 4 for pushing the big head end of the upper clamping part 5, the upper surface of the sliding track 12 is provided with a workpiece replacing component 6 in sliding connection, the workpiece replacing component 6 corresponds to the small head end of the lower clamping part 5, the vertical supporting plate 14 is provided with a workpiece replacing driving part 7 for driving the workpiece replacing component 6 to move left and right, the rotating disc 2 comprises a rotating disc body 22, two conical sliding holes 21 are uniformly arranged on the rotating disc body 22, two sliding grooves 23 are arranged inside each conical sliding hole 21, the two clamping parts 5 can be supported through the two conical sliding holes 21, the clamping parts 5 can slide along the sliding grooves 23, the processed workpieces can be rapidly switched through the two clamping parts 5, each clamping part 5 comprises two corresponding clamping plates 53, and the two clamping plates 53 are integrally in a conical structure, the outer sides of the two clamping plates 53 are provided with sliding slats 54 which are in sliding connection with the sliding groove 23, the inner sides of the two clamping plates 53 are provided with clamping grooves 52, the clamping grooves 52 at the small ends of the clamping plates 53 are of a conical structure, the center of the small ends of the clamping plates 53 is provided with side connecting plates 51, workpieces can be fixed through the two clamping plates 53, the workpieces can be positioned more accurately through the clamping grooves 52, the distance between the clamping plates 53 and the sliding groove 23 can be reduced when the clamping plates 53 slide along the sliding groove 23, the clamping and fastening driving piece 4 comprises a vertical connecting plate 41 arranged on the upper surface of the supporting base plate 13, the upper end of one side of the vertical connecting plate 41 is connected with a hydraulic telescopic column II 43 through bolts, the telescopic end of the hydraulic telescopic column II 43 is connected with a pressing plate 42 through bolts, the pressing plate 42 corresponds to the left and right sides of the clamping piece 5 above, the inlet of the hydraulic telescopic column II 43 is connected with the external, one ends of the two clamping plates 53 can be pressed through the pressing plate 42, the two clamping plates 53 move towards the middle to clamp the workpiece, the workpiece replacing assembly 6 comprises a sliding connection seat 61 connected with the sliding rail 12 in a sliding mode, a workpiece supporting platform 63 is arranged in the middle of the upper surface of the sliding connection seat 61, the upper surface of the workpiece supporting platform 63 is of an L-shaped structure, the upper surface of the workpiece supporting platform 63 corresponds to the lower clamping piece 5, the workpiece to be machined can be supported through the workpiece supporting platform 63, the workpiece can be moved left and right through the sliding connection seat 61 sliding on the sliding rail 12, and therefore the workpiece inside the clamping piece 5 can be replaced.

Further, holder resilience assembly 8 is including setting up connecting spring 81 on rotating the disk body 22, is equipped with the blind hole of being connected with connecting spring 81 on rotating the disk body 22, and connecting spring 81's one end is equipped with connection clamp plate 82, and connection clamp plate 82 and the laminating of side connecting plate 51 one side can be to connecting clamp plate 82 pulling through connecting spring 81, and can pull back holder 5 to the open state of clamp plate 53 through connecting clamp plate 82 to this makes things convenient for the work piece to take off from holder 5.

Further, the conversion driving part 3 comprises a transmission column 35 connected with the center of one side of the rotating disc body 22, a gear 34 is arranged at one end, far away from the end connected with the rotating disc body 22, of the transmission column 35, a rack 33 meshed with the gear 34 is arranged on the lower side of the gear 34, a first hydraulic telescopic column 32 is arranged at one end of the rack 33, one end of the first hydraulic telescopic column 32 is connected with one side of the vertical supporting plate 14 through the support 31, an inlet of the first hydraulic telescopic column 32 is connected with an external oil pump outlet through a guide pipe, the first hydraulic telescopic column 32 can drive the rack 33 to move, the rack 33 drives the gear 34 to rotate, the gear 34 drives the rotating disc body 22 to rotate, so that the workpiece is rapidly switched, when the rotating disc 22 drives the workpiece to rotate, the workpiece is prevented from falling due to protective grains inside the clamping groove 52, and the.

Further, the upper surface of the workpiece support table 63 is provided with a fixed support groove 62 having a V-shaped structure, and a magnet adsorption plate 64 is provided on one side of the vertical plate of the workpiece support table 63, so that the workpiece can be supported by the fixed support groove 62, and one end of the workpiece can be fixed by the magnet adsorption plate 64.

Further, the workpiece replacing driving part 7 comprises a motor 72 connected with the vertical supporting plate 14, an output shaft of the motor 72 penetrates through one side of the vertical supporting plate 14 and is connected with a threaded column 71, the threaded column 71 is connected with the lower end of the workpiece supporting table 63 in a threaded connection mode, an input end of the motor 72 is electrically connected with an output end of an external switch, the threaded column 71 can be driven to rotate through the motor 72, the workpiece replacing component 6 can be driven to move on the sliding rail 12 through rotation of the threaded column 71, the workpiece replacing component 6 drives the workpiece to move, and therefore one end of the workpiece can be inserted into the clamping part 5.

When in use: firstly, a workpiece is placed in the fixed supporting groove 62, then the motor 72 can drive the threaded column 71 to rotate, the threaded column 71 can drive the workpiece replacing component 6 to move on the sliding rail 12, the workpiece replacing component 6 drives the workpiece to move, so that one end of the workpiece can be inserted into the clamping piece 5 below, the hydraulic telescopic column I32 can drive the rack 33 to move, the rack 33 drives the gear 34 to rotate, the gear 34 drives the rotating disc body 22 to rotate, so that the workpiece can be switched rapidly, when the rotating disc 22 drives the workpiece to rotate, the protective patterns in the clamping groove 52 prevent the workpiece from falling off, so that the workpiece can be rotated to an upper processing position, the hydraulic telescopic column II 43 can drive the pressing plate 42 to move, the pressing plate 42 can push one end of the workpiece to be parallel to one end of the clamping piece 5, and the pressing plate 42 can press one ends of the two clamping plates 53, the two clamping plates 53 move towards the middle to clamp the workpiece, then an external machining tool is used for machining the workpiece, another workpiece is placed on the workpiece replacing component 6 during machining, the workpiece replacing component 6 is driven by the workpiece replacing driving component 7 to move to insert the workpiece into the other clamping component 5, after the workpiece at the upper end is machined, the pressing plate 42 is driven by the hydraulic telescopic column II 43 to move away from one end of the clamping component 5, then the connecting pressing plate 82 can be pulled by the connecting spring 81, the clamping component 5 can be pulled back to the state that the clamping plates 53 are opened by the connecting pressing plate 82, the rack 33 can be driven by the hydraulic telescopic column I32 to move, the gear 34 is driven by the rack 33 to rotate, the rotating disc body 22 is driven by the gear 34 to rotate, so that the workpiece is quickly switched, when the rotating disc 22 drives the workpiece to rotate, the workpiece is prevented from falling by the protective grains in the clamping groove 52, therefore, the workpiece is ensured to rotate to the upper processing position, then the workpiece with the processed lower end is adsorbed and fixed through the magnet adsorption plate 64, and the workpiece replacing component 6 is driven to move by the workpiece replacing driving component 7 again, so that the processed workpiece is moved from the inside of the clamping piece 5 to be replaced, and the circular processing is carried out.

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

Claims

1. The utility model provides a clamping device is used in machining of mechanical parts, includes support base (1), rolling disc (2), conversion driving piece (3), centre gripping fastening driving piece (4), holder (5), work piece change subassembly (6), work piece change driving piece (7) and holder resilience subassembly (8), its characterized in that: the supporting base (1) comprises a supporting base plate (13), four corners of the supporting base plate (13) are provided with mounting through holes (11) for mounting devices, the upper surface of the supporting base plate (13) is provided with a sliding rail (12) and a vertical supporting plate (14), the sliding rail (12) is positioned on one side of the vertical supporting plate (14), the vertical supporting plate (14) is connected with a rotating disc (2) through a bearing, the rotating disc (2) is uniformly provided with two clamping pieces (5) which are in sliding connection and have a conical structure, one side of the rotating disc (2) is provided with a clamping piece rebounding assembly (8) for pressing the small end of each clamping piece (5), one side of the vertical supporting plate (14) is provided with a conversion driving piece (3) for driving the rotating disc (2) to turn over, the conversion driving piece (3) is positioned on one side of the large end of each clamping piece (5), the upper surface of the supporting base plate (13) is provided with a clamping and fastening driving piece (4) for, the upper surface of the sliding rail (12) is provided with a sliding connection workpiece replacing component (6), the workpiece replacing component (6) corresponds to the small end of a clamping part (5) below, a vertical supporting plate (14) is provided with a workpiece replacing driving part (7) for driving the workpiece replacing component (6) to move left and right, the rotating disc (2) comprises a rotating disc body (22), two conical sliding holes (21) are uniformly formed in the rotating disc body (22), two sliding grooves (23) are formed in each conical sliding hole (21), the clamping part (5) comprises two corresponding clamping plates (53), the two clamping plates (53) are integrally conical, sliding strips (54) which are in sliding connection with the sliding grooves (23) are arranged on the outer sides of the two clamping plates (53), clamping grooves (52) are formed in the inner sides of the two clamping plates (53), and the clamping grooves (52) at the small ends of the clamping plates (53) are conical structures, and the little head end center of clamp plate (53) is equipped with side connecting plate (51), centre gripping fastening driving piece (4) are including setting up vertical connecting plate (41) at supporting baseplate (13) upper surface, there are hydraulic telescoping post two (43) one side upper end of vertical connecting plate (41) through bolted connection, there are pressure plate (42) hydraulic telescoping post two (43) flexible end through bolted connection, pressure plate (42) and the holder (5) of top are controlled to correspond, the import of hydraulic telescoping post two (43) is passed through the pipe and is connected with the external oil pump outlet, work piece replacement subassembly (6) are including sliding connection seat (61) with sliding rail (12) sliding connection, be equipped with work piece supporting bench (63) in the middle of the upper surface of sliding connection seat (61), the upper surface of work piece supporting bench (63) is L type structure, the upper surface of work piece supporting bench (63) corresponds with holder (5) of below.

2. The clamping device for machining the mechanical workpiece according to claim 1, wherein: the clamping piece rebounding assembly (8) comprises a connecting spring (81) arranged on the rotating disc body (22), a blind hole connected with the connecting spring (81) is formed in the rotating disc body (22), a connecting pressing plate (82) is arranged at one end of the connecting spring (81), and the connecting pressing plate (82) is attached to one side of the side connecting plate (51).

3. The clamping device for machining the mechanical workpiece according to claim 1, wherein: conversion driving piece (3) include with rotate transmission post (35) that disk body (22) one side center is connected, transmission post (35) are kept away from and are equipped with gear (34) with the one end that is connected of rotating disk body (22), the downside of gear (34) is equipped with rack (33) rather than the meshing, the one end of rack (33) is equipped with hydraulic telescoping post (32), the one end of hydraulic telescoping post (32) is passed through support (31) and is connected with one side of vertical support board (14), the import of hydraulic telescoping post (32) is passed through pipe and outside oil pump exit linkage.

4. The clamping device for machining the mechanical workpiece according to claim 1, wherein: the upper surface of the workpiece supporting platform (63) is provided with a fixed supporting groove (62) with a V-shaped structure, and one side of a vertical plate of the workpiece supporting platform (63) is provided with a magnet adsorption plate (64).

5. The clamping device for machining the mechanical workpiece according to claim 1, wherein: the workpiece replacing driving piece (7) comprises a motor (72) connected with the vertical supporting plate (14), an output shaft of the motor (72) penetrates through one side of the vertical supporting plate (14) and is connected with a threaded column (71), the threaded column (71) is connected with the lower end of the workpiece supporting table (63) in a threaded connection mode, and the input end of the motor (72) is electrically connected with the output end of an external switch.