CN111438550A

CN111438550A - Double-workpiece machining fixing clamp

Info

Publication number: CN111438550A
Application number: CN202010285362.5A
Authority: CN
Inventors: 刘勇
Original assignee: Le Mechanical Co ltd
Current assignee: Le Mechanical Co ltd
Priority date: 2020-04-13
Filing date: 2020-04-13
Publication date: 2020-07-24

Abstract

the invention discloses a double workpiece processing fixing clamp which comprises a bridge plate, tool main plates, a pressing plate and an L plate, wherein a T-shaped block is embedded in a four shaft, the L plate is fixedly connected to the four shaft through an inner hexagon screw, a key block is movably sleeved on the inner hexagon screw, a through hole is formed in the pressing plate, two ends of the bridge plate are fixedly connected to the L plate on the four shaft and a four-shaft tailstock through L plate positioning pins respectively, two screw rods are arranged on the bridge plate, the bottom end of each screw rod is fixedly connected to the screw rod on the bridge plate through a hexagon nut, an opening pressing plate is movably sleeved on the screw rod, the tool main plates are fixedly connected to the bridge plate through main plate positioning pins, and workpieces are fixedly connected to the tool main plates through positioning pins.

Description

Double-workpiece machining fixing clamp

Technical Field

The invention relates to the technical field of clamps, in particular to a double-workpiece machining fixing clamp.

Background

The machine is also called a fixture, which is used to fix the object to be processed to make it occupy the correct position for receiving construction or detection. In a broad sense, any device used to quickly, conveniently and safely mount a workpiece at any stage in a process may be referred to as a jig. Such as welding jigs, inspection jigs, assembly jigs, machine tool jigs, and the like. Among them, the machine tool clamp is the most common, and is often referred to as a clamp for short. When a workpiece is machined on a machine tool, the workpiece needs to be assembled (positioned) and clamped (clamped) before machining in order to enable the surface of the workpiece to meet the technical requirements of dimensional geometry, mutual position accuracy with other surfaces and the like specified in a drawing.

The existing machining fixing clamp can not carry out double-sided machining on the same workpiece by one-time clamping, so that elements machined on all sides have position tolerance.

Disclosure of Invention

The invention aims to provide a double-workpiece machining fixing clamp to solve the problems in the background technology.

the double-workpiece processing fixing clamp comprises a bridge plate, a tool main plate, a pressing plate and an L plate, wherein four inner hexagonal screws are arranged on the L plate, the four inner hexagonal screws are distributed on the L plate at equal intervals, one ends of the inner hexagonal screws are in threaded connection with T-shaped blocks, the T-shaped blocks are embedded on four shafts, the L plate is fixedly connected to the four shafts through the inner hexagonal screws, key blocks are movably sleeved on the inner hexagonal screws, the number of the L plates is two, one L plate is fixedly connected to a four-shaft tailstock through the inner hexagonal screws, and through holes are formed in the pressing plate.

the utility model discloses a four-axis tailstock, including bridge plate, hexagon nut, clamp plate, mainboard locating pin, four-axis tailstock, the bridge plate both ends are respectively through L board locating pin fixed connection on the L board on four-axis and four-axis tailstock, be equipped with two screw rods on the bridge plate, hexagon nut fixed connection is passed through on the bridge plate to the screw rod bottom, hexagon nut quantity is two, the through-hole has been seted up on the clamp plate, the clamp plate passes the through-hole and runs through the screw rod top and through one of them hexagon nut fixed connection is on the screw rod, the opening clamp plate has been cup jointed in the activity on the screw rod, the frock mainboard passes.

Preferably, the center of the bridge plate is provided with two through holes matched with the screw rods.

Preferably, the screw is modified from a stainless steel wire rod.

Preferably, the opening pressing plate is positioned on the pressing plate and the top end.

Preferably, the number of the tool main boards is two, and the two tool main boards are respectively located on two sides of the screw.

Preferably, the bottom end of the main board positioning pin does not penetrate through the bottom end of the bridge board.

Preferably, the center of the bottom end of the pressing plate is provided with a groove.

Preferably, a through hole matched with the socket head cap screw is formed in the center of one end of the T-shaped block.

compared with the prior art, the double-workpiece machining fixing clamp has the beneficial effects that the two workpieces can be placed and clamped by arranging the bridge plate, the L plate and the two tool main boards, so that the L plate rotates and drives the bridge plate to rotate, the effect of rotating the bridge plate is achieved, and the problem that the existing machining fixing clamp cannot clamp the same workpiece at one time to machine the two sides of the same workpiece is solved.

The tightness of workpiece installation can be increased by arranging the pressing plate, the screw, the positioning pin and the main board positioning pin, the workpiece is prevented from loosening and falling during machining, the effect of stabilizing the workpiece is achieved, and the problem that the workpiece is easy to wear and fall during machining is solved.

Drawings

FIG. 1 is a schematic sectional view of the front side of the structure of the present invention.

Fig. 2 is a top cross-sectional view of the inventive structure.

FIG. 3 is a schematic structural diagram of the present invention.

FIG. 4 is a top schematic view of a structural platen of the present invention.

FIG. 5 is a side view of a platen according to the present invention.

FIG. 6 is a schematic view of the open platen of the present invention.

in the figure, a bridge plate 1, a tooling main plate 2, a positioning pin 3, a main plate positioning pin 4, a pressing plate 5, a screw 6, a hexagon nut 7, an opening pressing plate 8, a plate 9L, a key block 10, a T-shaped block 11, a hexagon socket head cap screw 12, a plate positioning pin 13L, a four-axis tailstock 14, a four-axis tailstock 15 and a workpiece 16 are arranged.

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.

Examples of which are illustrated in the accompanying drawings, wherein like reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the drawings are illustrative and intended to be illustrative of the invention and are not to be construed as limiting the invention.

In the description of the present invention, it is to be understood that the terms "central," "longitudinal," "lateral," "length," "width," "thickness," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," "clockwise," "counterclockwise," "axial," "radial," "circumferential," and the like are used in the orientations and positional relationships indicated in the drawings for convenience in describing the invention and to simplify the description, and are not intended to indicate or imply that the referenced devices or elements must have a particular orientation, be constructed and operated in a particular orientation, and are therefore not to be considered limiting of the invention.

In the present invention, unless otherwise expressly stated or limited, the terms "mounted," "connected," "secured," and the like are to be construed broadly and can, for example, be fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

referring to fig. 1-6, the invention provides a double-workpiece processing and fixing clamp, which comprises a bridge plate 1, a tool main board 2, a pressing plate 5 and an L plate 9, wherein four inner hexagon screws 12 are arranged on the L plate 9, the L plate 9 can be fixedly connected to a four-axis tailstock 15 and a four-axis tailstock 14 by arranging the inner hexagon screws 12, the four-axis tailstock 14 and the four-axis tailstock 15 are respectively provided with a rotating mechanism which can drive the L plate 9 to rotate and simultaneously drive a workpiece on the bridge plate to rotate for 360 degrees, so that double-sided processing of the same workpiece 16 can be realized by one-time clamping, the four inner hexagon screws 12 are equidistantly distributed on the L plate 9, the center of one end of the T-shaped block 11 is provided with a through hole matched with the inner hexagon screw 12, one end of the inner hexagon screw 12 is screwed with the T-shaped block 11, the T-shaped block 11 is embedded on the four-axis 14, the L plate 9 is fixedly connected to the four-axis 14 by the inner hexagon screws 12, the inner hexagon screw 12 is movably sleeved with a key block 10, so that the L plate 9 is prevented from being worn between the four-axis tailstock 14 and the tailstock 15 by arranging the key block 10, wherein one L plate 9 is.

two ends of a bridge plate 1 are respectively fixedly connected on an L plate 9 on a four-axis 14 and a four-axis tailstock 15 through L plate positioning pins 13, two screw rods 6 are arranged on the bridge plate 1, the screw rods 6 are reformed by stainless steel wire rods, the center of the bridge plate 1 is provided with two through holes matched with the screw rods 6, the bottom ends of the screw rods 6 are fixedly connected on the bridge plate 1 through hexagon nuts 7, the number of the hexagon nuts 7 is two, the through holes are formed in a pressing plate 5, a groove is formed in the bottom center of the pressing plate 5, the pressing plate 5 penetrates through the through holes to penetrate through the top ends of the screw rods 6 and is fixedly connected on the screw rods 6 through one hexagon nut 7, the pressing plate 5 can be fastened through the hexagon nut 7, fixing workpieces 16 are facilitated, an opening pressing plate 8 is movably sleeved on the screw rods 6, the tightness of the clamp is increased, the opening pressing plate 8 is located on the pressing plate 5 and the top end, the tooling main plate 2 is fixedly connected on the bridge plate 1 through a main plate positioning pin 4, the bottom end of the main plate positioning.

The electrical components presented in the document are all electrically connected with an external master controller and 220V mains, and the master controller can be a conventional known device controlled by a computer or the like.

the working principle is that when the tool is used, a workpiece 16 is placed on the tool main board 2, the pressing plate 5 is tightly pressed on the workpiece 16 through the hexagon nut 7 at the top end of the fastening screw 6, so that the workpiece 16 is fixed on the tool main board 2, the L plates 9 at the two ends of the bridge plate 1 rotate on the four-axis 14 and the four-axis tailstock 15, and meanwhile, the workpiece 16 on the bridge plate 1 is driven to rotate to process the other side of the workpiece 16, so that the effect that two sides can be processed through one-time clamping is achieved.

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. A double-workpiece machining fixing clamp comprises a bridge plate (1), a tool main plate (2), a pressing plate (5) and an L plate (9), and is characterized in that four inner hexagonal screws (12) are arranged on the L plate (9), the four inner hexagonal screws (12) are distributed on the L plate (9) at equal intervals, one ends of the inner hexagonal screws (12) are in threaded connection with T-shaped blocks (11), the T-shaped blocks (11) are embedded on four shafts (14), the L plate (9) is fixedly connected onto the four shafts (14) through the inner hexagonal screws (12), key blocks (10) are movably sleeved on the inner hexagonal screws (12), the number of the L plates (9) is two, one of the L plates (9) is fixedly connected onto a four-shaft hexagon tailstock (15) through the inner hexagonal screws (12), and a through hole is formed in the pressing plate (5);

bridge plate (1) both ends are respectively through L board locating pin (13) fixed connection on L board (9) on four-axis (14) and four-axis tailstock (15), be equipped with two screw rods (6) on bridge plate (1), hexagon nut (7) fixed connection is passed through to screw rod (6) bottom on bridge plate (1), hexagon nut (7) quantity is two, the through-hole has been seted up on clamp plate (5), clamp plate (5) pass the through-hole and run through screw rod (6) top and pass through one of them hexagon nut (7) fixed connection is on screw rod (6), opening clamp plate (8) have been cup jointed in the activity on screw rod (6), frock mainboard (2) are through mainboard locating pin (4) fixed connection on bridge plate (1), through locating pin (3) fixed connection work piece (16) on frock mainboard (2).

2. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the center of the bridge plate (1) is provided with two through holes matched with the screw rods (6).

3. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the screw rod (6) is made of a stainless steel wire rod.

4. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the opening pressing plate (8) is positioned on the pressing plate (5) and the top end.

5. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the number of the tool main boards (2) is two, and the two tool main boards (2) are respectively positioned on two sides of the screw rod (6).

6. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the bottom end of the main board positioning pin (4) does not penetrate through the bottom end of the bridge plate (1).

7. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: the center of the bottom end of the pressing plate (5) is provided with a groove.

8. The double-workpiece machining fixing clamp as claimed in claim 1, wherein: and a through hole matched with the inner hexagon screw (12) is formed in the center of one end of the T-shaped block (11).