CN211277389U

CN211277389U - Movable clamping and fixing device for finish machining of machine body parts

Info

Publication number: CN211277389U
Application number: CN201921005260.2U
Authority: CN
Inventors: 何进; 于金文
Original assignee: Jiangsu Feather Foundry Co ltd
Current assignee: Jiangsu Feather Foundry Co ltd
Priority date: 2019-06-28
Filing date: 2019-06-28
Publication date: 2020-08-18
Anticipated expiration: 2029-06-28

Abstract

The utility model discloses a portable centre gripping fixing device for fine processing of organism part, adjust head, structure hole, installation base, accept head, locking hole, splint, four corners chuck and limit baffle including supporting baseplate, sliding tray, sliding plate, graduation. The utility model has the advantages that: the sliding tray is sliding connection with the slide bar of sliding plate bottom, this anchor clamps mounted position on the lathe of accurate definite, the cylindricality shell of graduation regulation head can rotate with the sliding plate relatively, can truly reflect the displacement volume of anchor clamps, and can not receive the influence of screw rod idle stroke error, the structure hole is the interlude formula with the sliding plate and is connected, guarantee the overall structure intensity of device, the locking hole is the interlude formula with accepting the head and is connected, prevent that anchor clamps from causing because of vibrations and rocking or even droing at the in-process of the processing of work piece, influence the precision degree of work piece processing, the four corners chuck is fixed connection through the welding action with splint, guarantee the stability of the object of pressing from both sides.

Description

Movable clamping and fixing device for finish machining of machine body parts

Technical Field

The utility model relates to a fixing device specifically is a portable centre gripping fixing device for fine machining of organism part belongs to anchor clamps technical field.

Background

The workpiece clamp of the machine tool is a device capable of conveniently fixing a workpiece, and mainly has the function of clamping the workpiece, so that the workpiece cannot fall off in the milling process. However, the existing machine tool workpiece clamp is mostly a pneumatic clamp, the clamping speed is too fast, the workpiece is easily pushed out of the clamp, the excessive machine tool is used for easily generating part looseness of the fixing clamp, the machining precision is not accurate, a series of problems are solved, the machining requirement is met, and therefore the movable clamping and fixing device for fine machining of machine body parts is needed.

The current mechanical fixture structure is comparatively simple, can not satisfy complicated service environment, one of them, the mounted position of this anchor clamps on the lathe of unable accurate definite, be not conform to accurate inseparable processing requirement, its two, can not truly reflect the displacement volume of anchor clamps, receive the influence of screw rod idle stroke error, it is three, the overall structure intensity of device can't be guaranteed, save casting material simultaneously, it is four, anchor clamps lead to the fact because of vibrations at the in-process of the processing of work piece and rock and drop even, influence the precision degree of work piece processing, it is five, the chuck sets up unreasonablely, can't guarantee the stability of the object that presss from both sides, guarantee the precision degree of processing.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a portable centre gripping fixing device for fine machining of organism part in order to solve above-mentioned problem.

The utility model discloses a following technical scheme realizes above-mentioned purpose: a movable clamping and fixing device for finish machining of machine body parts comprises a supporting bottom plate, a sliding groove, a sliding plate, an indexing adjusting head, a structural hole, a mounting base, a bearing head, a locking hole, a clamping plate, a four-corner clamping head and a limiting baffle plate; the supporting bottom plate is positioned at the bottommost part of the device and is in a rectangular strip plate shape, the supporting bottom plate is in sliding connection with the sliding plate through a sliding groove, the sliding groove is arranged on the top surface of the supporting bottom plate and is symmetrical with the central axis of the side surface of the supporting bottom plate, the sliding groove is in sliding connection with a sliding strip at the bottom of the sliding plate, the sliding plate is arranged at the center of the top of the supporting bottom plate and is a bearing part of an upper clamp, the sliding plate is fixedly connected with an installation base, the indexing adjusting head is arranged at the center of the front surface of the sliding plate, the surface of the indexing adjusting head is provided with scales distributed in a ring shape, the bottom of the indexing adjusting head is fixedly connected with the front surface of the sliding plate, the structural holes are distributed at the four corners and the center of the top surface of the sliding plate and are fixedly connected with the sliding plate, the installation base is positioned at the centers of the, the bearing head is arranged between the mounting base and the clamping plate and is cylindrical, the upper end face and the lower end face of the bearing head are fixedly connected with the mounting base and the clamping plate respectively, the locking hole is formed in the center of the side face of the bearing head and fixedly connected with the bearing head, the clamping plate is located right above the top face of the bearing head, the bottom face of the clamping plate is fixedly connected with the bearing head in a welding mode, the top ends of the four corner chucks are located at the centers of four sides of the clamping plate, the four corner chucks are fixedly connected with the clamping plate, the limit baffle is located on the left side of the top of the supporting base plate, and the bottom face of the limit baffle is fixedly connected with the supporting base plate.

Preferably, in order to accurately determine the mounting position of the clamp on the machine tool and meet the accurate and tight machining requirement, the sliding groove is in a long strip shape, two sliding strip bulges attached to the bottom surface of the sliding plate are arranged on the top surface of the supporting bottom plate, the notch is in a square shape, the bottom of the sliding groove is in an inward concave shape for enhancing the attaching effect, and the sliding groove is in sliding connection with the sliding strip at the bottom of the sliding plate.

Preferably, in order to truly reflect the displacement of the clamp without being affected by the idle stroke error of the screw, the indexing adjustment head is integrally cylindrical and is arranged at the center of the front surface of the sliding plate, the surface of the indexing adjustment head is provided with scales distributed in a ring shape, the central shaft extends inwards to penetrate into the sliding plate and is fixedly connected with the rotating element, and the cylindrical shell of the indexing adjustment head can rotate relative to the sliding plate.

Preferably, in order to guarantee the overall structure intensity of the device and save casting materials, the structure hole is circular, the top part is provided with a right-angle transition with a slightly large radius, the top of the transition surface is provided with a rubber gasket, the structure hole is distributed at the four corners and the center of the top surface of the sliding plate, and the structure hole is connected with the sliding plate in an alternating mode.

Preferably, in order to prevent the clamp from shaking or even falling off due to vibration in the process of machining the workpiece and influencing the precision degree of machining the workpiece, the outer ring of the locking hole is circular, the center of the locking hole is a square hole, the bottom end of the locking hole is provided with a cross-shaped lock cylinder connected with the sliding mechanism, the locking hole is arranged at the center of the side face of the receiving head, and the locking hole and the receiving head are connected in a penetrating manner.

Preferably, in order to guarantee the stability of the object of pressing from both sides, guarantee the precision of processing, the monomer of four corners chuck is the cubic that the top is high at the bottom, and the top of four corners chuck is located the center department of splint four sides, and the four corners chuck is fixed connection through the welding action with splint.

The utility model has the advantages that: the movable clamping and fixing device for finish machining of machine body parts is reasonable in design, the sliding groove is in a long strip shape, two sliding strip bulges attached to the bottom surface of the sliding plate are arranged on the top surface of the supporting base plate, the notch is square, the bottom is arranged in an inwards concave shape for reinforcing the attaching effect, the sliding groove and the sliding strip at the bottom of the sliding plate are in sliding connection, the mounting position of the clamp on a machine tool is accurately determined, the accurate and compact machining requirement is met, the indexing adjusting head is integrally cylindrical and is arranged at the center of the front surface of the sliding plate, the surface is provided with scales distributed in a ring shape, the central shaft extends inwards and penetrates into the sliding plate to be fixedly connected with a rotating element, a cylindrical shell of the indexing adjusting head can rotate relative to the sliding plate, the displacement of the clamp can be truly reflected, and the influence of screw rod idle stroke errors can not be caused, the structure hole is in a circular ring shape, the top end part is provided with right-angle transition with slightly larger radius, the top part of the transition surface is provided with a rubber gasket, the structure hole is distributed at four corners and the center of the top surface of the sliding plate and is in cross connection with the sliding plate, the whole structure strength of the device is ensured, meanwhile, casting materials are saved, the outer ring of the locking hole is in a circular shape, the center is a square hole, the bottom end is provided with a cross-shaped lock core connected with the sliding mechanism and arranged at the center of the side surface of the receiving head, the locking hole and the receiving head are in cross connection, the shaking and even falling off of a clamp caused by vibration in the process of processing a workpiece are prevented, the precision degree of processing the workpiece is influenced, the single body of the four-corner clamp is in a block shape with high top and low bottom, the middle part is provided with a structure groove, the top ends of the four-corner, the precision degree of processing is ensured.

Drawings

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

fig. 2 is a schematic diagram of the front structure of the present invention.

In the figure: 1-a support floor; 2-a sliding groove; 3-a sliding plate; 4-indexing the adjusting head; 5-structural pores; 6, mounting a base; 7-carrying head; 8-locking hole; 9-clamping plate; 10-a four-corner chuck; 11-limit baffle.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-2, a movable clamping and fixing device for fine machining of machine body parts comprises a supporting base plate 1, a sliding groove 2, a sliding plate 3, an indexing adjusting head 4, a structure hole 5, an installation base 6, a bearing head 7, a locking hole 8, a clamping plate 9, a four-corner clamping head 10 and a limiting baffle plate 11; the supporting bottom plate 1 is positioned at the bottommost part of the device and is in a rectangular strip plate shape, the supporting bottom plate 1 and the sliding plate 3 are in sliding connection through a sliding groove 2, the sliding groove 2 is arranged on the top surface of the supporting bottom plate 1 and is symmetrical with each other about the central axis of the side surface of the supporting bottom plate 1, the sliding groove 2 and the sliding strip at the bottom of the sliding plate 3 are in sliding connection, the sliding plate 3 is arranged at the top center of the supporting bottom plate 1 and is a bearing part of an upper clamp, the sliding plate 3 and the mounting base 6 are fixedly connected, the indexing adjusting head 4 is arranged at the front center of the sliding plate 3, the surface of the indexing adjusting head is provided with scales distributed in a ring shape, the bottom of the indexing adjusting head 4 and the front of the sliding plate 3 are fixedly connected, the structural holes 5 are distributed at the four corners and the center of the top surface of the sliding plate 3, the structural holes 5 and the sliding plate 3 are, the mounting base 6 is fixedly connected with the sliding plate 3 through a fixing groove at four corners, the receiving head 7 is arranged between the mounting base 6 and the clamping plate 9 and is cylindrical, the upper end face and the lower end face of the receiving head 7 are fixedly connected with the mounting base 6 and the clamping plate 9 respectively, the locking hole 8 is arranged at the center of the side face of the receiving head 7, the locking hole 8 is fixedly connected with the receiving head 7, the clamping plate 9 is positioned right above the top face of the receiving head 7, the bottom face of the clamping plate 9 is fixedly connected with the receiving head 7 in a welding mode, the top ends of the four-corner clamping heads 10 are positioned at the centers of four sides of the clamping plate 9, the four-corner clamping heads 10 are fixedly connected with the clamping plate 9, the limit baffle 11 is positioned on the left side of the top of the supporting base plate (1), and the bottom face of the limit baffle 11 is fixedly connected with.

The slide groove 2 is in a long strip shape, two slide strip bulges attached to the bottom surface of the sliding plate 3 are arranged on the top surface of the supporting base plate 1, the notch is square, the bottom is arranged in an inward concave shape for reinforcing the attaching effect, the slide groove 2 is symmetrical with the slide strip at the bottom of the sliding plate 3 about the central axis of the side surface of the supporting base plate 1, the slide groove 2 is in sliding connection with the slide strip at the bottom of the sliding plate 3, the mounting position of the clamp on a machine tool is accurately determined, the clamp meets the accurate and compact processing requirement, the indexing adjusting head 4 is integrally cylindrical and is arranged at the center of the front surface of the sliding plate 3, the surface is provided with scales distributed in a ring shape, the central axis extends inwards to penetrate into the sliding plate 3 and is fixedly connected with a rotating element, a cylindrical shell of the indexing adjusting head 4 can rotate relative to the sliding plate 3, the displacement of, the top end part is provided with right-angle transition with slightly larger radius, the top part of the transition surface is provided with a rubber gasket, the structural holes 5 are distributed at four corners and the center of the top surface of the sliding plate, the structural holes 5 are in alternate connection with the sliding plate 3, the whole structural strength of the device is ensured, meanwhile, casting materials are saved, the outer ring of the locking hole 8 is circular, the center is a square hole, the bottom end is provided with a cross-shaped lock core connected with a sliding mechanism and arranged at the center of the side surface of the bearing head 7, the locking hole 8 is in alternate connection with the bearing head 7, the phenomenon that a clamp shakes or even falls off due to vibration in the process of processing a workpiece, the precision degree of processing the workpiece is influenced is prevented, the single body of the four-corner clamp 10 is in a block shape with high top and low bottom, the middle part is provided with a structural groove, the top ends of the four-corner clamp, the stability of the clamped object is ensured, and the precision degree of processing is ensured.

The working principle is as follows: when the movable clamping and fixing device for finish machining of machine body parts is used, firstly, the supporting base plate 1 is fixedly installed at a required working position, then the sliding plate 3 is adjusted to a reasonable position through the sliding groove 2, then the indexing on the indexing adjusting head is adjusted, so that the part of a clamp installed on the installing base 6 meets the machining precision requirement, then a workpiece to be machined is placed on the top of the clamping plate 9, the workpiece is clamped through the four-corner clamping head 10, the clamp is locked through the locking hole 8, the workpiece can be machined, and after the machining operation is finished, the workpiece is dismounted according to the reverse sequence operation.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a portable centre gripping fixing device for fine machining of organism part which characterized in that: the device comprises a supporting bottom plate (1), a sliding groove (2), a sliding plate (3), an indexing adjusting head (4), a structural hole (5), a mounting base (6), a bearing head (7), a locking hole (8), a clamping plate (9), a four-corner clamping head (10) and a limiting baffle (11); the supporting bottom plate (1) is positioned at the bottommost part of the device and is in a rectangular long plate shape, the supporting bottom plate (1) and the sliding plate (3) are in sliding connection through a sliding groove (2), the sliding groove (2) is arranged on the top surface of the supporting bottom plate (1) and is symmetrical with each other about the central axis of the side surface of the supporting bottom plate (1), the sliding groove (2) is in sliding connection with the sliding strip at the bottom of the sliding plate (3), the sliding plate (3) is arranged at the center of the top of the supporting bottom plate (1) and is a bearing part of an upper clamp, the sliding plate (3) is fixedly connected with a mounting base (6), the indexing adjusting head (4) is arranged at the center of the front surface of the sliding plate (3), the surface is provided with scales distributed in a ring shape, the bottom of the indexing adjusting head (4) is fixedly connected with the front surface of the sliding plate (3), and the structural holes (5) are distributed at the four corners and the center of, the structure hole (5) is fixedly connected with the sliding plate (3), the mounting base (6) is positioned at the centers of two sides of the top of the sliding plate (3), the mounting base (6) is fixedly connected with the sliding plate (3) through a fixing groove at the four corners, the bearing head (7) is arranged between the mounting base (6) and the clamping plate (9) and is cylindrical, the upper end surface and the lower end surface of the bearing head (7) are respectively and fixedly connected with the mounting base (6) and the clamping plate (9), the locking hole (8) is arranged at the center of the side surface of the bearing head (7), the locking hole (8) is fixedly connected with the bearing head (7), the clamping plate (9) is positioned right above the top surface of the bearing head (7), the bottom surface of the clamping plate (9) is fixedly connected with the bearing head (7) in a welding manner, and the top ends of the four-corner clamping heads (10) are positioned at the centers of the four sides of the clamping plate (9), and the four-corner chuck (10) is fixedly connected with the clamping plate (9), the limit baffle (11) is positioned on the left side of the top of the supporting base plate (1), and the bottom surface of the limit baffle (11) is fixedly connected with the supporting base plate (1).

2. A mobile clamping fixture for precision finishing of body parts, as claimed in claim 1, wherein: the sliding groove (2) is in a long strip shape, two sliding strip bulges attached to the bottom surface of the sliding plate (3) are arranged on the top surface of the supporting bottom plate (1), the notch is square, the bottom of the sliding groove is arranged in an inward concave shape for reinforcing the attaching effect, and the sliding groove (2) is in sliding connection with the sliding strip at the bottom of the sliding plate (3).

3. A mobile clamping fixture for precision finishing of body parts, as claimed in claim 1, wherein: the whole indexing adjusting head (4) is cylindrical, is arranged in the center of the front face of the sliding plate (3), is provided with scales distributed in a ring shape on the surface, extends inwards in the central shaft and penetrates into the sliding plate (3) to be fixedly connected with a rotating element, and the cylindrical shell of the indexing adjusting head (4) can rotate relative to the sliding plate (3).

4. A mobile clamping fixture for precision finishing of body parts, as claimed in claim 1, wherein: the structure hole (5) is in a circular ring shape, right-angle transition with slightly large radius is arranged at the top end of the structure hole, the top of the transition surface is provided with a rubber gasket, the structure hole (5) is distributed at four corners and the center of the top surface of the sliding plate (3), and the structure hole (5) is connected with the sliding plate (3) in an alternating mode.

5. A mobile clamping fixture for precision finishing of body parts, as claimed in claim 1, wherein: the outer ring of the locking hole (8) is circular, the center of the locking hole is a square hole, the bottom end of the locking hole is provided with a cross-shaped lock cylinder connected with the sliding mechanism, the cross-shaped lock cylinder is arranged at the center of the side face of the bearing head (7), and the locking hole (8) is connected with the bearing head (7) in an alternating mode.

6. A mobile clamping fixture for precision finishing of body parts, as claimed in claim 1, wherein: the single body of the four-corner chuck (10) is in a block shape with a high top and a low bottom, a structural groove is formed in the middle of the single body, the top end of the four-corner chuck (10) is located at the centers of four edges of the clamping plate (9), and the four-corner chuck (10) is fixedly connected with the clamping plate (9) through welding.