CN211219413U

CN211219413U - Clamp for production and processing of mechanical parts

Info

Publication number: CN211219413U
Application number: CN201922385518.2U
Authority: CN
Inventors: 王清华; 刘烨
Original assignee: Shanghai University of Engineering Science
Current assignee: Shanghai University of Engineering Science
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-08-11
Anticipated expiration: 2029-12-26

Abstract

The utility model relates to the technical field of mechanical part fixtures, in particular to a fixture for production and processing of mechanical parts, which comprises a fixed table, wherein the top of the fixed table is rotationally connected with a rotating shaft, the top of the rotating shaft is fixedly connected with a rotating round table, a first pushing screw rod and a second pushing screw rod which are perpendicular to each other are arranged inside the rotating round table, a linkage component is arranged between the first pushing screw rod and the second pushing screw rod, and the side surface of the rotating round table and the side surface of the top surface of the fixed table are both provided with rotating components; the utility model is provided with the linkage assembly, and the first pushing screw rod and the second pushing screw rod can be driven to rotate by rotating the L-shaped rocker, so that the fixing clamping blocks in four directions can be controlled to move simultaneously to fix mechanical accessories, the operation is simple, and the fixation is more stable; can come convenient rotation of the rotatory round platform of control through rotating L shape rocker, conveniently weld processing such as to machine parts, set up fixed tooth piece and flute profile groove, can be convenient fix L shape rocker.

Description

Clamp for production and processing of mechanical parts

Technical Field

The utility model relates to a machine parts anchor clamps technical field, concretely relates to be used for machine parts production and processing to use anchor clamps.

Background

The clamp is a device capable of clamping substances, and a clamping device is an indispensable device in the production and processing process of mechanical parts. By the action of the clamping device, the finishing can be facilitated. In the process of welding the mechanical part, different positions of the mechanical part need to be welded, and the positions need to be changed continuously in the welding process, so that the welding is very inconvenient.

For example, patent No. CN201920114192.7 discloses a clamp mechanism capable of changing welding construction direction, which comprises a clamp main body, wherein a base is arranged at the bottom of the clamp main body, a worm is arranged inside the base, a worm wheel is arranged on one side of the worm, a rotating rod is arranged on the inner side of the worm wheel, a clamp supporting seat is fixedly connected to the top of the rotating rod, a fixed seat is arranged at the top of the clamp supporting seat, a screw hole is arranged on the fixed seat, a screw rod is arranged on the inner side of the screw hole, a first rotating handle is arranged on the other side of; however, the device is not stable enough to fix both sides of the fitting only by the clamping plate and the fixing frame.

Based on this, the utility model designs a be used for machine parts production and processing to solve above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be used for machine parts to produce anchor clamps for processing to the centre gripping machine parts who proposes among the above-mentioned background art problem stable inadequately.

In order to achieve the above object, the utility model provides a following technical scheme: a clamp for producing and machining mechanical accessories comprises a fixed table, wherein a rotating shaft is rotatably connected in the middle of the top surface of the fixed table, fixed blocks are fixed on the side edges of the top surface, a rotating round table is fixedly connected to the top of the rotating shaft, teeth are arranged at the bottom of the rotating round table in the circumferential direction, four groups of moving grooves are uniformly and symmetrically arranged on the upper surface in the circumferential direction, a first pushing screw and a second pushing screw which are perpendicular to each other are arranged inside the rotating round table, the first pushing screw and the second pushing screw are rotatably connected with the side wall of the rotating round table, threads in opposite directions are arranged on the two sides of the rotating round table, moving assemblies are screwed on the two sides of the rotating round table, and a linkage assembly is arranged between;

the side of rotatory round platform and the top surface side of fixed station all are equipped with runner assembly, the L shape rocker that runner assembly includes, the one end of L shape rocker is rotated and is connected with the crank, the other end is fixed with fixed tooth piece, the position that corresponds fixed tooth piece in the lateral wall of rotatory round platform and the fixed block all is equipped with the flute profile, the L shape rocker that is located rotatory round platform side stretches into the lateral wall of rotatory round platform and fixes with first promotion screw rod, the L shape rocker that is located fixed station top surface side runs through the fixed block, and the opposite side at the fixed block is fixed with first bevel gear, first bevel gear and the meshing of rotatory round platform bottom tooth, first bevel gear left side is rotated and is connected with the stopper fixed with the fixed station.

Preferably, the moving assembly comprises a moving sleeve, the moving sleeve is in threaded connection with the corresponding first pushing screw and the second pushing screw respectively, connecting rods are vertically fixed to two sides of the moving sleeve, and the connecting rods penetrate through the moving grooves and are fixed with fixed clamping blocks.

Preferably, the linkage assembly comprises a gear fixedly connected with the middle of the first pushing screw, a transmission gear is meshed at the bottom of the gear, the transmission gear is rotatably connected with an L-shaped supporting rod, the supporting rod is fixedly connected with the bottom of an inner cavity of the rotary circular table, a second bevel gear is meshed with the transmission gear, and the second bevel gear is fixed with the second pushing screw.

Preferably, the transmission gear comprises a bevel gear and a spur gear which are fixedly connected relatively, the bevel gear is meshed with the second bevel gear, and the spur gear is meshed with the gear.

Preferably, L shape rocker includes dwang and extension rod, the extension rod includes interior pole and outer pole, the one end and the crank of dwang rotate to be connected, the other end and outer pole fixed connection, interior pole outer with fixed tooth piece fixed connection, the symmetry is equipped with the spout on the pole wall of interior pole, be equipped with the slider of T shape on the outer pole stretch into in the spout and with spout sliding connection.

Preferably, the elastic rubber sheet is fixed on the inner side of the fixed clamping block, certain elastic force can be generated on the clamped mechanical accessories, stability is improved, meanwhile, a certain elastic space is reserved, and the fixed tooth block is convenient to clamp into the tooth-shaped groove.

Preferably, the fixed tooth block corresponds to the shape of the tooth-shaped groove.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model is provided with the linkage assembly, and the first pushing screw rod and the second pushing screw rod can be driven to rotate by rotating the L-shaped rocker, so that the fixing clamping blocks in four directions can be controlled to move simultaneously to fix mechanical accessories, the operation is simple, and the fixation is more stable; the transmission assembly is arranged on the fixed table, so that the rotation of the rotary round table can be conveniently controlled by rotating the L-shaped rocker, and machining such as welding of mechanical accessories is facilitated; the L-shaped rocker is convenient to fix due to the arrangement of the fixed tooth block and the tooth-shaped groove.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

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

FIG. 2 is a top view of the present invention;

fig. 3 is a schematic structural view of the rotary circular table of the present invention;

FIG. 4 is a schematic structural view of the linkage assembly of the present invention;

FIG. 5 is a schematic structural view of the L-shaped rocker of the present invention;

FIG. 6 is a side sectional view of the L-shaped rocker of the present invention;

fig. 7 is a schematic structural view of the fixing tooth block of the present invention.

In the drawings, the components represented by the respective reference numerals are listed below:

1-a fixed table, 2-a rotating shaft, 3-a rotating circular table, 4-a moving groove, 5-a rotating assembly, 501-an L-shaped rocker, 5011-a rotating rod, 5012-an extending rod, 502-a crank, 503-a fixed tooth block, 504-a tooth-shaped groove, 6-a first pushing screw, 7-a moving assembly, 701-a moving sleeve, 702-a connecting rod, 703-a fixed fixture block, 8-a linkage assembly, 801-a gear, 802-a transmission gear, 803-a second bevel gear, 9-a fixed block, 10-a first bevel gear, 11-a second pushing screw and 12-a limiting block.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: a clamp for producing and processing mechanical accessories comprises a fixed table 1, a rotating shaft 2 is rotatably connected with the center of the top surface of the fixed table 1, a fixed block 9 is fixed on the side edge of the top surface, a rotating circular table 3 is fixedly connected with the top of the rotating shaft 2, teeth are arranged at the bottom of the rotating circular table 3 along the circumferential direction, four groups of moving grooves 4 are uniformly and symmetrically arranged on the upper surface along the circumferential direction, each group of moving grooves 4 comprises two grooves penetrating through the upper wall of the rotating circular table 3 and are arranged along the radial direction from the center of the circle to the outside, a first pushing screw 6 and a second pushing screw 11 which are perpendicular to each other are arranged inside the rotating circular table 3, and the first pushing screw 6 and the second pushing screw 11 are both rotatably connected with the, threads in opposite directions are arranged on the two sides of the first pushing screw 6, the two sides of the first pushing screw are both in threaded connection with the moving component 7, the threads in opposite directions can drive the moving component 7 to move inwards or outwards simultaneously, and a linkage component 8 is arranged between the first pushing screw and the second pushing screw;

the side surface of the rotary circular table 3 and the side edge of the top surface of the fixed table 1 are both provided with a rotating assembly 5, the rotating assembly 5 comprises a telescopic L-shaped rocker 501, the L-shaped rocker 501 comprises a rotating rod 5011 and an extending rod 5012, the extending rod 5012 comprises an inner rod and an outer rod, one end of the rotating rod 5011 is rotatably connected with a crank 502, the other end of the rotating rod is fixedly connected with the outer rod, the inner rod is externally fixed with a fixed tooth block 503, the rod wall of the inner rod is symmetrically provided with a sliding groove, the outer rod is provided with a T-shaped sliding block which extends into the sliding groove and is in sliding connection with the sliding groove, the side wall of the rotary circular table 3 and the position of the fixed tooth block 503 in the fixed block 9 are both provided with tooth-shaped grooves 504, the fixed tooth block 503 corresponds to the shape of the tooth-shaped groove 504, the fixed tooth block 503 can be embedded into the tooth-shaped groove 504 to be fixed, the L-shaped rocker 501 positioned at the side surface of, and a first bevel gear 10 is fixed on the other side of the fixed block 9, and the first bevel gear 10 is meshed with teeth at the bottom of the rotary round table 3. The left side of the first bevel gear 10 is rotatably connected with a limiting block 12 fixed with the fixed table 1, and the limiting block 12 is used for ensuring that the position of the first bevel gear 10 does not deviate when the L-shaped rocker 501 is stretched;

the moving assembly 7 comprises a moving sleeve 701 screwed on the first pushing screw 6 or the second pushing screw 11, connecting rods 702 are vertically fixed on two sides of the moving sleeve 701, the connecting rods 702 penetrate through the moving groove 4 and are fixed with fixed clamping blocks 703, elastic films are fixed on the inner sides of the fixed clamping blocks 703, and the rotation of the first pushing screw 6 and the second pushing screw 11 can drive the moving sleeve 701 to move so as to drive the fixed clamping blocks 703 to move and fix mechanical accessories;

the linkage assembly 8 comprises a gear 801 fixedly connected with the middle of the first pushing screw 6, a transmission gear 802 is meshed at the bottom of the gear 801, the transmission gear 802 comprises a bevel gear and a straight gear which are fixedly connected with each other, the bevel gear is meshed with a second bevel gear 803, the straight gear is meshed with the gear 801, the transmission gear 802 is rotatably connected with an L-shaped supporting rod, the supporting rod is fixedly connected with the bottom of an inner cavity of the rotary circular truncated cone 3, the transmission gear 802 is meshed with a second bevel gear 803, the second bevel gear 803 is fixedly fixed with the second pushing screw 11, the first pushing screw 6 is driven to rotate through rotation of an L-shaped rocker 501, the gear 801 is driven to rotate, the transmission gear 802 is driven to rotate by the transmission gear 802, and the second bevel gear 803.

One specific application of this embodiment is: placing a mechanical accessory on a rotary circular table 3, shaking an L-shaped rocker 501 on the side wall of the rotary circular table 3 to drive a first pushing screw rod 6 and a second pushing screw rod 11 to rotate, so that four fixed clamping blocks 703 move towards the direction of the mechanical accessory to fix the mechanical accessory, then pushing the telescopic L-shaped rocker inwards, enabling a sliding block on an outer rod and a sliding groove on an inner rod to slide relatively, so that a fixed tooth block 503 is clamped in a tooth-shaped groove 504, and fixing the L-shaped rocker to keep still;

when the mechanical accessory is welded and the like, the L-shaped rocker 501 located on the side edge of the top surface of the fixed table 1 can be shaken, the rocker 501 drives the first bevel gear 10 to rotate so as to drive the whole rotary circular table 3 to rotate, so that the angle position of the mechanical accessory is adjusted, and after the angle is adjusted, the telescopic L-shaped rocker is pushed inwards, so that the fixed tooth block 503 is clamped into the tooth-shaped groove 504 in the fixed block 9, and the rotary circular table 3 is kept not to rotate; when the adjustment is needed again, the telescopic L-shaped rocker is stretched outwards, so that the fixed tooth block 503 is separated from the tooth-shaped groove 504, and the angle of the rotary circular table 3 can be adjusted again by rotating the L-shaped rocker;

after the welding is completed, the telescopic L-shaped rocker is stretched outwards, so that the fixing tooth block 503 is separated from the tooth-shaped groove 504, the L-shaped rocker is rotated in the opposite direction, the four fixing fixture blocks 703 are moved towards the outer side of the mechanical accessory, and then the mechanical accessory is taken down.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., 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 invention. In this specification, the schematic representations of the terms used above 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 preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not exhaustive and do not limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. The utility model provides a be used for mechanical parts production and processing to use anchor clamps, includes fixed station (1), its characterized in that: the middle of the top surface of the fixed table (1) is rotatably connected with a rotating shaft (2), the side edge of the top surface is fixed with a fixed block (9), the top of the rotating shaft (2) is fixedly connected with a rotating round table (3), teeth are arranged at the bottom of the rotating round table (3) along the circumferential direction, four groups of moving grooves (4) are uniformly and symmetrically arranged on the upper surface along the circumferential direction, a first pushing screw (6) and a second pushing screw (11) which are perpendicular to each other are arranged inside the rotating round table (3), the first pushing screw (6) and the second pushing screw (11) are both rotatably connected with the side wall of the rotating round table (3), threads with opposite directions are arranged on both sides and are both screwed with moving components (7), and a linkage component (8) is arranged between the first pushing screw (6) and the second pushing screw (11);

the side face of the rotary circular table (3) and the side edge of the top face of the fixed table (1) are respectively provided with a rotating assembly (5), the rotating assembly (5) comprises an L-shaped rocker (501), one end of the L-shaped rocker (501) is rotatably connected with a crank (502), the other end of the L-shaped rocker (501) is fixed with a fixed tooth block (503), the side wall of the rotary circular table (3) and the position of the fixed block (9) corresponding to the fixed tooth block (503) are respectively provided with a tooth-shaped groove (504), the L-shaped rocker (501) positioned on the side face of the rotary circular table (3) extends into the side wall of the rotary circular table (3) and is fixed with a first pushing screw rod (6), the L-shaped rocker (501) positioned on the side edge of the top face of the fixed table (1) penetrates through the fixed block (9), a first bevel gear (10) is fixed on the other side of the fixed block (9, the left side of the first bevel gear (10) is rotatably connected with a limiting block (12) fixed with the fixed platform (1).

2. The clamp for machine part production and processing according to claim 1, wherein: the moving assembly (7) comprises a moving sleeve (701), the moving sleeve (701) is in threaded connection with a corresponding first pushing screw (6) and a corresponding second pushing screw (11) respectively, connecting rods (702) are vertically fixed on two sides of the moving sleeve (701), and the connecting rods (702) penetrate through the moving groove (4) and are fixed with fixed clamping blocks (703).

3. The clamp for machine part production and processing according to claim 1, wherein: the linkage assembly (8) comprises a gear (801) fixedly connected with the middle of the first pushing screw (6), a transmission gear (802) is meshed with the bottom of the gear (801), the transmission gear (802) is rotatably connected with an L-shaped supporting rod, the supporting rod is fixedly connected with the bottom of an inner cavity of the rotary circular table (3), a second bevel gear (803) is meshed with the transmission gear (802), and the second bevel gear (803) is fixed with the second pushing screw (11).

4. The clamp for machine part production according to claim 3, wherein: the transmission gear (802) comprises a bevel gear and a straight gear which are relatively and fixedly connected, the bevel gear is meshed with the second bevel gear (803), and the straight gear is meshed with the gear (801).

5. The clamp for machine part production and processing according to claim 1, wherein: l shape rocker (501) include dwang (5011) and extension rod (5012), extension rod (5012) are including interior pole and outer pole, the one end and crank (502) of dwang (5011) rotate to be connected, the other end and outer pole fixed connection, interior pole outer with fixed tooth piece (503) fixed connection, the symmetry is equipped with the spout on the pole wall of interior pole, be equipped with on the outer pole the slider of T shape stretch into in the spout and with spout sliding connection.

6. The clamp for machine part production according to claim 2, wherein: an elastic film is fixed on the inner side of the fixed fixture block (703).

7. The clamp for machine part production and processing according to claim 1, wherein: the fixed tooth block (503) corresponds to the shape of the tooth-shaped groove (504).