CN212265239U - Five-axis machine tool fixture - Google Patents

Abstract

The application relates to the technical field of machining fixtures, and provides a five-axis machine tool fixture, which is characterized in that two clamping surfaces are arranged to be capable of machining two workpieces at a time, so that the working beat of machining is improved, the machining efficiency is greatly improved, and meanwhile, the two clamping surfaces are integrally designed in a V shape, and the interference of a workpiece and a machine tool is also avoided. In addition, the structural design of a plurality of clamping components and supporting components such as the first auxiliary supporting component, the first pressing component, the second pressing component, the third pressing component, the first supporting point component, the second supporting point component and the second auxiliary supporting component increases the clamping force of the workpiece, ensures the safety of machining and the safety of a cutter, and ensures the quality of machining.

Description

Five-axis machine tool fixture

Technical Field

The application relates to the technical field of machining fixtures, in particular to a five-axis machine tool fixture.

Background

In automobile parts, generally, machining is performed in one or two steps, and one fixture is clamped at a time to complete all machining. But a part of parts exist, the size of the products is smaller, and due to the characteristics of the products, if one part is clamped at a time, single-process machining is carried out, so that the resources of machining equipment are seriously wasted.

The fixture design of the traditional machining tool fixture is generally in plane arrangement, each machining feature can be machined, but a part of machined parts and some original machining equipment in a factory are limited in space size due to the fact that the stroke of a rotating shaft in the X direction, the Y direction and the Z direction of a main shaft is relatively fixed, and if the plane arrangement causes the stroke exceeding the maximum rotating body or the stroke exceeding the main shaft. In addition, in the processing process, due to the modeling of the blank, the workpiece is small, so that the positioning pit is shallow, and the clamping is not easy. Because the residual cutting amount is large, the cutting force is large, a workpiece is easy to deviate in the machining process, the cutter is damaged, and the normal machining of the workpiece cannot be continuously guaranteed.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application provides a five-axis machine tool fixture, has solved the problem among the background art, can once process two, improves the work beat that the machine adds, improves machining efficiency greatly, and the whole design that is V-arrangement of clamping face has also avoided work piece and lathe to interfere simultaneously. In addition, the structural design of the clamping assemblies and the supporting assemblies increases the clamping force of the workpiece, the safety of machining and the safety of a cutter are guaranteed, and the quality of machining is guaranteed.

In order to achieve the above object, the utility model provides a following technical scheme:

the five-axis machine tool fixture comprises a bottom plate and a vertical plate, wherein the bottom plate is fixed on a rotary tray of the five-axis machine tool, the vertical plate is fixed on the bottom plate, and the vertical plate is provided with two clamping surfaces perpendicular to the bottom plate; the two clamping surfaces are arranged left and right and are integrally V-shaped; a workpiece to be machined can be fixed to each of the clamping surfaces.

In some embodiments, the included angle between the two clamping surfaces is about 120 degrees.

In some embodiments, each clamping surface is provided with a first auxiliary supporting component, a first pressing component, a second pressing component, a third pressing component, a first supporting point component and a second supporting point component; a second auxiliary supporting assembly is arranged at the joint of the two clamping surfaces and supports the left workpiece and the right workpiece to be machined simultaneously; the first auxiliary support component is positioned on the side opposite to the junction; a first pressing component, a first supporting point component, a second pressing component, a second supporting point component and a third pressing component are sequentially arranged between the first auxiliary supporting component and the second auxiliary supporting component from top to bottom in a direction perpendicular to the bottom plate; the first auxiliary supporting assembly comprises a hydraulic cylinder, an upper pressing support, an upper pressing claw, a pressing support fixing pin, a first spring, a lower pressing support, a lower pressing claw, a second spring and a hydraulic cylinder base, wherein the upper end of the upper pressing support is connected with the upper pressing claw, the lower end of the lower pressing support is connected with the lower pressing claw, and the upper pressing support and the lower pressing support are both fixed on the clamping surface through the pressing support fixing pin; the lower end of the upper pressing support and the upper end of the lower pressing support are movably connected to a cylinder rod of the hydraulic cylinder; the hydraulic cylinder is fixed on the hydraulic cylinder base, and the hydraulic cylinder base is fixed on the clamping surface; one end of the first spring is connected to the upper pressing support, and the other end of the first spring is connected to the hydraulic cylinder base; one end of the second spring is connected to the lower pressing support, and the other end of the second spring is connected to the hydraulic cylinder base; the cylinder rod of the hydraulic cylinder can push the upper pressing support and the lower pressing support to rotate around the fixing pin of the pressing support; the first pressing assembly, the second pressing assembly and the third pressing assembly respectively comprise a pressing oil cylinder and a main pressing claw, the main pressing claw is fixed on an output rod of the pressing oil cylinder, and the pressing oil cylinder can drive the main pressing claw to clamp and release the workpiece to be processed; the first supporting point component and the second supporting point component respectively comprise a supporting point, a positioning pin and an adjustable stop block, the supporting point is fixed on the clamping surface, an adjusting bolt of the adjustable stop block is fixed on the supporting point, and the adjusting bolt can adjust the distance between the adjustable stop block and the supporting point; the positioning pin is arranged on the upper surface of the supporting point; the second auxiliary supporting assembly comprises an upper fixing base, a lower fixing base, a first auxiliary pressing claw, a second auxiliary pressing claw, an opening and closing unit, a ball head cylinder rod and a driving hydraulic cylinder, the driving hydraulic cylinder is fixed on the lower fixing base, the opening and closing unit is fixed on the upper fixing base, the upper fixing base and the lower fixing base are both fixed at the joint, the ball head cylinder rod is fixed on the cylinder rod of the driving hydraulic cylinder, and one end of the ball head cylinder rod with a ball head extends into the opening and closing unit; the driving hydraulic cylinder can drive the ball head cylinder rod to move up and down and push the opening and closing unit to open and close; the first auxiliary pressing claw and the second auxiliary pressing claw are respectively fixed on the left side and the right side of the opening and closing unit and face towards the workpiece to be machined.

In some embodiments, the opening and closing unit comprises a left opening and closing body, a right opening and closing body and a pin shaft, the upper ends of the left opening and closing body and the right opening and closing body are fixed on the upper fixing base through the pin shaft, and the lower ends of the left opening and closing body and the right opening and closing body are matched with one end of the ball cylinder rod with the ball head.

In some embodiments, the left shutter is parallel to the clamping surface on the left side, and the right shutter is parallel to the clamping surface on the right side.

In some embodiments, the first auxiliary pressing claw and the second auxiliary pressing claw are both V-shaped.

In some embodiments, a mistake-proof guide rod is provided on the clamping surface. The mistake-proofing guide rod enables the workpiece to be clamped only in a certain direction, and the phenomenon that the workpiece is placed inconsistently to cause machining accidents is avoided.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model provides a five-axis machine tool fixture has solved the problem among the background art, sets up two double-layered dress faces and can once only process two, improves the beat of working that the machine adds, improves machining efficiency greatly, and two press from both sides the whole design that is the V-arrangement of dress face simultaneously, have also avoided work piece and lathe to interfere. In addition, the structural design of a plurality of clamping components and supporting components such as the first auxiliary supporting component, the first pressing component, the second pressing component, the third pressing component, the first supporting point component, the second supporting point component and the second auxiliary supporting component increases the clamping force of the workpiece, ensures the safety of machining and the safety of a cutter, and ensures the quality of machining.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the description of the embodiments are briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without creative efforts.

FIG. 1 is a first structural schematic diagram of a five-axis machine tool fixture according to the present application.

FIG. 2 is a top view of a five-axis machine tool fixture of the present application.

FIG. 3 is a structural schematic diagram of a five-axis machine tool fixture of the present application.

FIG. 4 is a schematic structural diagram of a first auxiliary support assembly of the five-axis machine tool fixture.

FIG. 5 is a schematic view of a middle structure part of the five-axis machine tool clamp.

FIG. 6 is a schematic structural diagram of a second auxiliary support assembly of the five-axis machine tool fixture.

FIG. 7 is a first perspective view of a second auxiliary support assembly of the five-axis machine tool fixture of the present application.

FIG. 8 is a top view of a first secondary support assembly of a five-axis machine tool fixture of the present application.

FIG. 9 is a perspective view of a second auxiliary support assembly of a five-axis machine tool fixture of the present application with the lower fixture base removed.

FIG. 10 is a top view of the second auxiliary support assembly of the five-axis machine tool fixture of the present application with the lower fixture base removed.

Wherein: 1-bottom plate, 2-vertical plate, 3-rotary tray, 4-clamping surface, 5-workpiece to be processed, 6-first auxiliary support component, 7-first pressing component, 8-second pressing component, 9-third pressing component, 10-first support point component, 11-second support point component, 12-second auxiliary support component, 13-hydraulic cylinder, 14-hydraulic cylinder rod, 15-cylinder rod locking nut, 16-hydraulic cylinder base, 17-air detection device, 18-upper pressing support, 19-upper pressing claw, 20-upper pressing claw pin, 21-pressing support fixing pin, 22-pressing support fixing pin base, 23-connecting pin, 24-first spring, 25-second spring, 26-lower pressing support, 27-lower pressing claw, 28-lower pressing claw pin, 29-first pressing oil cylinder, 30-first main pressing claw, 31-second pressing oil cylinder, 32-second main pressing claw, 33-third pressing oil cylinder, 34-third main pressing claw, 35-supporting point, 36-positioning pin, 37-adjustable stopper, 38-mistake-proof guide rod, 39-upper fixed base, 40-lower fixed base, 41-first auxiliary pressing claw, 42-second auxiliary pressing claw, 43-opening and closing unit, 44-ball head cylinder rod, 45-thread inserted hydraulic oil cylinder, 46-locking nut, 47-left opening and closing body, 48-right opening and closing body and 49-pin shaft.

Detailed Description

The terms "first," "second," "third," and "fourth," etc. in the description and claims of this application and in the accompanying drawings are used for distinguishing between different objects and not for describing a particular order. Furthermore, the terms "include" and "have," as well as any variations thereof, are intended to cover non-exclusive inclusions. For example, a process, method, system, article, or apparatus that comprises a list of steps or elements is not limited to only those steps or elements listed, but may alternatively include other steps or elements not listed, or inherent to such process, method, article, or apparatus. In addition, when values are described using "about" in this application, this is meant to include minor variations (up to +/-10%) from the stated values.

Reference herein to "an embodiment" means that a particular feature, structure, or characteristic described in connection with the embodiment can be included in at least one embodiment of the application. The appearances of the phrase in various places in the specification are not necessarily all referring to the same embodiment, nor are separate or alternative embodiments mutually exclusive of other embodiments. It is explicitly and implicitly understood by one skilled in the art that the embodiments described herein can be combined with other embodiments.

In order to improve the machining efficiency of a five-axis machine tool and the productivity and simultaneously avoid the situation that a plurality of workpieces are fixed beyond the stroke of a main shaft, the five-axis machine tool fixture comprises a bottom plate and a vertical plate, wherein the bottom plate is fixed on a rotary tray of the five-axis machine tool, the vertical plate is fixed on the bottom plate, and the vertical plate is provided with two clamping surfaces perpendicular to the bottom plate; the two clamping surfaces are arranged left and right and are integrally V-shaped; a workpiece to be machined can be fixed to each of the clamping surfaces. In the embodiment of the five-axis machine tool clamp, two clamping surfaces are arranged, so that two parts can be machined at one time, the machining working rhythm is improved, the machining efficiency is greatly improved, and meanwhile, the two clamping surfaces are integrally designed in a V shape, so that two workpieces are fixed in the formation of a main shaft, and the interference between the workpieces and a machine tool is also avoided.

The included angle between the two clamping surfaces can be set according to the requirement of the size of the die and the requirement of firm clamping, for example, 90-150 degrees. In some embodiments, the included angle between the two clamping surfaces is about 120 degrees.

In order to clamp and fix a small and firm workpiece, ensure the processing quality of the workpiece and simultaneously ensure the safety of machining and the safety of a cutter, in some embodiments, each clamping surface is provided with a first auxiliary supporting component, a first pressing component, a second pressing component, a third pressing component, a first supporting point component and a second supporting point component; a second auxiliary supporting assembly is arranged at the joint of the two clamping surfaces and supports the left workpiece and the right workpiece to be machined simultaneously; the first auxiliary support component is positioned on the side opposite to the junction; a first pressing component, a first supporting point component, a second pressing component, a second supporting point component and a third pressing component are sequentially arranged between the first auxiliary supporting component and the second auxiliary supporting component from top to bottom in a direction perpendicular to the bottom plate; the first auxiliary supporting assembly comprises a hydraulic cylinder, an upper pressing support, an upper pressing claw, a pressing support fixing pin, a first spring, a lower pressing support, a lower pressing claw, a second spring and a hydraulic cylinder base, wherein the upper end of the upper pressing support is connected with the upper pressing claw, the lower end of the lower pressing support is connected with the lower pressing claw, and the upper pressing support and the lower pressing support are both fixed on the clamping surface through the pressing support fixing pin; the lower end of the upper pressing support and the upper end of the lower pressing support are movably connected to a cylinder rod of the hydraulic cylinder; the hydraulic cylinder is fixed on the hydraulic cylinder base, and the hydraulic cylinder base is fixed on the clamping surface; one end of the first spring is connected to the upper pressing support, and the other end of the first spring is connected to the hydraulic cylinder base; one end of the second spring is connected to the lower pressing support, and the other end of the second spring is connected to the hydraulic cylinder base; the cylinder rod of the hydraulic cylinder can push the upper pressing support and the lower pressing support to rotate around the fixing pin of the pressing support; the first pressing assembly, the second pressing assembly and the third pressing assembly respectively comprise a pressing oil cylinder and a main pressing claw, the main pressing claw is fixed on an output rod of the pressing oil cylinder, and the pressing oil cylinder can drive the main pressing claw to clamp and release the workpiece to be processed; the first supporting point component and the second supporting point component respectively comprise a supporting point, a positioning pin and an adjustable stop block, the supporting point is fixed on the clamping surface, an adjusting bolt of the adjustable stop block is fixed on the supporting point, and the adjusting bolt can adjust the distance between the adjustable stop block and the supporting point; the positioning pin is arranged on the upper surface of the supporting point; the second auxiliary supporting assembly comprises an upper fixing base, a lower fixing base, a first auxiliary pressing claw, a second auxiliary pressing claw, an opening and closing unit, a ball head cylinder rod and a driving hydraulic cylinder, the driving hydraulic cylinder is fixed on the lower fixing base, the opening and closing unit is fixed on the upper fixing base, the upper fixing base and the lower fixing base are both fixed at the joint, the ball head cylinder rod is fixed on the cylinder rod of the driving hydraulic cylinder, and one end of the ball head cylinder rod with a ball head extends into the opening and closing unit; the driving hydraulic cylinder can drive the ball head cylinder rod to move up and down and push the opening and closing unit to open and close; the first auxiliary pressing claw and the second auxiliary pressing claw are respectively fixed on the left side and the right side of the opening and closing unit and face towards the workpiece to be machined. In this embodiment, the structural design of the first auxiliary supporting component, the first pressing component, the second pressing component, the third pressing component, the first supporting point component, the second auxiliary supporting component and other multiple clamping components and supporting components increases the clamping force of the workpiece, ensures the safety of machining and the safety of the tool, and ensures the quality of machining.

In order to conveniently adjust the second auxiliary supporting assembly, in some embodiments, the opening and closing unit includes a left opening body, a right opening body and a pin shaft, the upper ends of the left opening body and the right opening body are fixed on the upper fixing base through the pin shaft, and the lower ends of the left opening body and the right opening body are matched with one end of the ball head cylinder rod with the ball head. The embodiment designs the concrete structure of the opening and closing unit, and has simple structure and strong practicability.

In order to make the supporting effect of the second auxiliary supporting component better, in some embodiments, the left opening and closing body is parallel to the left clamping surface, and the right opening and closing body is parallel to the right clamping surface.

In order to fix the workpiece more firmly and stabilize the auxiliary support, in some embodiments, the first auxiliary pressing claw and the second auxiliary pressing claw are both V-shaped.

In order to prevent errors in the clamping of the workpieces, in some embodiments, an error-proof guide is provided on the clamping surface. The mistake-proofing guide rod enables the workpiece to be clamped only in a certain direction, and the phenomenon that the workpiece is placed inconsistently to cause machining accidents is avoided.

The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application, and it is obvious that the described embodiments are some, but not all, embodiments of the present application. 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 application.

Example 1:

the embodiment 1 provides a five-axis machine tool fixture, which is shown in fig. 1-2 in the specification, and includes a bottom plate 1 and a vertical plate 2, where the bottom plate 1 is fixed on a rotating tray 3 of the five-axis machine tool, and the vertical plate 2 is fixed on the bottom plate 1. The vertical plate 2 is provided with two clamping surfaces 4 vertical to the bottom plate 1. The two clamping surfaces 4 are arranged left and right and are integrally V-shaped. The angle between the two clamping surfaces is about 120 degrees. A workpiece to be machined can be fastened to each of the clamping surfaces 4.

3-10, each clamping surface 4 in the five-axis machine tool clamp is provided with a first auxiliary supporting assembly 6, a first pressing assembly 7, a second pressing assembly 8, a third pressing assembly 9, a first supporting point assembly 10 and a second supporting point assembly 11. And a second auxiliary supporting component 12 is arranged at the joint of the two clamping surfaces 4, and the second auxiliary supporting component 12 simultaneously supports the left workpiece and the right workpiece to be processed. The first auxiliary support member 6 is located on the clamping surface 4 on the side opposite to the interface. A first pressing component 7, a first supporting point component 10, a second pressing component 8, a second supporting point component 11 and a third pressing component 9 are sequentially arranged between the first auxiliary supporting component 6 and the second auxiliary supporting component 12 from top to bottom in a direction perpendicular to the bottom plate 1.

As shown in fig. 4, the first auxiliary support assembly 6 includes a hydraulic cylinder 13, a hydraulic cylinder rod 14, a cylinder rod lock nut 15, a hydraulic cylinder base 16, a gas detection device 17, an upper pressing support 18, an upper pressing claw 19, an upper pressing claw pin 20, a pressing support fixing pin 21, a pressing support fixing pin base 22, a connecting pin 23, a first spring 24, a second spring 25, a lower pressing support 26, a lower pressing claw 27, and a lower pressing claw pin 28. The upper end of the upper pressing support 18 is connected with an upper pressing claw 19, the upper pressing claw 19 is Y-shaped, and the upper pressing claw 19 is fixed at the upper end of the upper pressing support 18 through an upper pressing claw pin 20. The lower end of the lower pressing support 26 is connected with a lower pressing claw 27, the lower pressing claw 27 is Y-shaped, and the lower pressing claw 27 is fixed at the lower end of the lower pressing support 26 through a lower pressing claw pin 28. The upper pressure abutment 18 and the lower pressure abutment 26 are each fixed to the clamping surface 4 by means of a pressure abutment fixing pin 21. The pressing support fixing pin 21 is fixed in the pressing support fixing pin base 22, and the pressing support fixing pin base 22 is fixed on the clamping surface 4. The lower end of the upper pressing support 18 and the upper end of the lower pressing support 26 are movably connected to the hydraulic cylinder rod 14 of the hydraulic cylinder 13 through a connecting pin 23. The hydraulic cylinder 13 is provided with an air detection device 17, and the output end of the hydraulic cylinder 13 is fixedly connected with a hydraulic cylinder rod 14 through a cylinder rod locking nut 15. The hydraulic cylinder 13 is fixed on the hydraulic cylinder base 16, and the hydraulic cylinder base 16 is fixed on the clamping surface 4. The first spring 24 is connected to the upper pressure support 18 at one end and to the cylinder base 16 at the other end. The second spring 25 is connected to the lower pressing bracket 26 at one end and to the cylinder base 16 at the other end. The cylinder rod 14 of the hydraulic cylinder 13 can push the upper pressing support 18 and the lower pressing support 26 to rotate around the pressing support fixing pin 21.

As shown in fig. 5, the first pressing assembly 7 includes a first pressing cylinder 29 and a first line pressure claw 30. The second pressing assembly 8 includes a second pressing cylinder 31 and a second master pressing claw 32. The third hold-down assembly 9 includes a third hold-down cylinder 33, and a third main pressure jaw 34. The first pressing oil cylinder 29, the second pressing oil cylinder 31 and the third pressing oil cylinder 33 are all small or miniature hydraulic cylinders which are common in the market, and the length and the diameter of a cylinder barrel are selected according to requirements. The first main pressure claw 30 is fixed on an output rod of the first pressing oil cylinder 29, and the first pressing oil cylinder 29 can drive the first main pressure claw 30 to clamp and release the workpiece to be processed. The second main pressure claw 32 is fixed on an output rod of the second pressing oil cylinder 31, and the second pressing oil cylinder 31 can drive the second main pressure claw 32 to clamp and release the workpiece to be processed. The third main pressure claw 34 is fixed on an output rod of the third pressing oil cylinder 33, and the third pressing oil cylinder 33 can drive the third main pressure claw 34 to clamp and release the workpiece to be machined.

As shown in fig. 5, the first supporting point assembly 10 and the second supporting point assembly 11 each include a supporting point 35, a positioning pin 36, and an adjustable stopper 37. The supporting point 35 is fixed on the clamping surface 4, the adjusting bolt of the adjustable stop 37 is fixed on the supporting point 35, and the adjusting bolt can adjust the distance between the adjustable stop 37 and the supporting point 35. The positioning pin 36 is disposed on the upper surface of the supporting point 35, and in some embodiments, an integrated supporting point and positioning pin may be used.

As shown in fig. 6 to 10, the second auxiliary support assembly includes an upper fixing base 39, a lower fixing base 40, a first auxiliary pressing claw 41, a second auxiliary pressing claw 42, an opening and closing unit 43, a ball head cylinder rod 44, a threaded insertion hydraulic cylinder 45, and a lock nut 46. The thread-inserted hydraulic oil cylinder 45 is fixed on the lower fixing base 40, the opening and closing unit 43 is fixed on the upper fixing base 39, and the upper fixing base 39 and the lower fixing base 40 are both fixed at the joint. The ball head cylinder rod 44 is fixed on the cylinder rod of the threaded insertion hydraulic oil cylinder 45 through a locking nut 46. One end of the ball-headed cylinder rod 44 with the ball head extends into the opening and closing unit 43. The threaded insertion hydraulic oil cylinder 45 can drive the ball head cylinder rod 44 to move up and down, and pushes the opening and closing unit 43 to open and close. The first auxiliary pressing claw 41 and the second auxiliary pressing claw 42 are respectively fixed on the left and right sides of the opening and closing unit 43, and face the workpiece to be processed. In this embodiment, the opening and closing unit 43 includes a left opening and closing body 47, a right opening and closing body 48 and a pin 49, the upper ends of the left opening and closing body 47 and the right opening and closing body 48 are fixed on the upper fixing base 39 through a pin 49, and the lower ends of the left opening and closing body 47 and the right opening and closing body 48 are matched with one end of the ball head cylinder rod 44 with the ball head. The left opening and closing body 47 is parallel to the clamping surface on the left side, and the right opening and closing body 48 is parallel to the clamping surface on the right side. The first auxiliary pressing claw 41 and the second auxiliary pressing claw 42 are both V-shaped.

In the present embodiment, in order to prevent an error in clamping a workpiece, an error-proof guide 38 is provided on the clamping surface 4. The mistake-proofing guide rod 38 enables the workpiece to be clamped only in a certain direction, and the phenomenon that the workpiece is placed inconsistently to cause machining accidents is avoided.

In the using process of the five-axis machine tool fixture, in the first step, a machining rotary table of the five-axis machine tool is provided with an angle, and the five-axis machine tool fixture is installed on a rotary tray of the five-axis machine tool. And secondly, rotating the five-axis machine tool to process the angle of the turntable, and placing and fixing the workpiece on one side and then placing and fixing the workpiece on the other side. When a workpiece is placed and fixed, firstly, the workpiece is placed on the clamping surface 4 of the clamp; then, the three pressing oil cylinders of the first pressing assembly 7, the second pressing assembly 8 and the third pressing assembly 9 simultaneously press, and the three main pressing claws simultaneously clamp the workpiece; next, the first auxiliary support member 10 and the second auxiliary support member 12 are simultaneously compressed. The arrangement of the pressing sequence ensures the accurate positioning of the workpiece and can not cause deviation. And thirdly, rotating a workbench of the five-axis machine tool, and rotating the workbench to enter a machining side without interference to perform machining.

This embodiment 1 provides a five-axis machine tool fixture, sets up two clamp dress faces and can once only process two, improves the work beat that the machine adds, improves machining efficiency greatly, and two clamp dress faces wholly are the design of V-arrangement simultaneously, have also avoided work piece and lathe to interfere. In addition, the structural design of a plurality of clamping components and supporting components such as the first auxiliary supporting component, the first pressing component, the second pressing component, the third pressing component, the first supporting point component, the second supporting point component and the second auxiliary supporting component increases the clamping force of the workpiece, ensures the safety of machining and the safety of a cutter, ensures the machining accuracy and ensures the machining quality.

The foregoing detailed description of the embodiments of the present application has been presented to illustrate the principles and implementations of the present application, and the above description of the embodiments is only provided to help understand the method and the core concept of the present application; meanwhile, for a person skilled in the art, according to the idea of the present application, there may be variations in the specific embodiments and the application scope, and in summary, the content of the present specification should not be construed as a limitation to the present application.

Claims (7)

1. A five-axis machine tool fixture is characterized by comprising a bottom plate and a vertical plate, wherein the bottom plate is fixed on a rotary tray of a five-axis machine tool, the vertical plate is fixed on the bottom plate, and the vertical plate is provided with two clamping surfaces vertical to the bottom plate; the two clamping surfaces are arranged left and right and are integrally V-shaped; a workpiece to be machined can be fixed to each of the clamping surfaces.

2. A five-axis machine tool fixture as claimed in claim 1, wherein the angle between the two clamping faces is 120 ± 12 degrees.

3. The five-axis machine tool fixture as claimed in claim 1, wherein each clamping surface is provided with a first auxiliary supporting component, a first pressing component, a second pressing component, a third pressing component, a first supporting point component and a second supporting point component; a second auxiliary supporting assembly is arranged at the joint of the two clamping surfaces and supports the left workpiece and the right workpiece to be machined simultaneously; the first auxiliary support component is positioned on the side opposite to the junction; a first pressing component, a first supporting point component, a second pressing component, a second supporting point component and a third pressing component are sequentially arranged between the first auxiliary supporting component and the second auxiliary supporting component from top to bottom in a direction perpendicular to the bottom plate;

the first auxiliary supporting assembly comprises a hydraulic cylinder, an upper pressing support, an upper pressing claw, a pressing support fixing pin, a first spring, a lower pressing support, a lower pressing claw, a second spring and a hydraulic cylinder base, wherein the upper end of the upper pressing support is connected with the upper pressing claw, the lower end of the lower pressing support is connected with the lower pressing claw, and the upper pressing support and the lower pressing support are both fixed on the clamping surface through the pressing support fixing pin; the lower end of the upper pressing support and the upper end of the lower pressing support are movably connected to a cylinder rod of the hydraulic cylinder; the hydraulic cylinder is fixed on the hydraulic cylinder base, and the hydraulic cylinder base is fixed on the clamping surface; one end of the first spring is connected to the upper pressing support, and the other end of the first spring is connected to the hydraulic cylinder base; one end of the second spring is connected to the lower pressing support, and the other end of the second spring is connected to the hydraulic cylinder base; the cylinder rod of the hydraulic cylinder can push the upper pressing support and the lower pressing support to rotate around the fixing pin of the pressing support;

the first pressing assembly, the second pressing assembly and the third pressing assembly respectively comprise a pressing oil cylinder and a main pressing claw, the main pressing claw is fixed on an output rod of the pressing oil cylinder, and the pressing oil cylinder can drive the main pressing claw to clamp and release the workpiece to be processed;

the first supporting point component and the second supporting point component respectively comprise a supporting point, a positioning pin and an adjustable stop block, the supporting point is fixed on the clamping surface, an adjusting bolt of the adjustable stop block is fixed on the supporting point, and the adjusting bolt can adjust the distance between the adjustable stop block and the supporting point; the positioning pin is arranged on the upper surface of the supporting point;

the second auxiliary supporting assembly comprises an upper fixing base, a lower fixing base, a first auxiliary pressing claw, a second auxiliary pressing claw, an opening and closing unit, a ball head cylinder rod and a driving hydraulic cylinder, the driving hydraulic cylinder is fixed on the lower fixing base, the opening and closing unit is fixed on the upper fixing base, the upper fixing base and the lower fixing base are both fixed at the joint, the ball head cylinder rod is fixed on the cylinder rod of the driving hydraulic cylinder, and one end of the ball head cylinder rod with a ball head extends into the opening and closing unit; the driving hydraulic cylinder can drive the ball head cylinder rod to move up and down and push the opening and closing unit to open and close; the first auxiliary pressing claw and the second auxiliary pressing claw are respectively fixed on the left side and the right side of the opening and closing unit and face towards the workpiece to be machined.

4. The five-axis machine tool fixture as claimed in claim 3, wherein the opening and closing unit comprises a left opening and closing body, a right opening and closing body and a pin, the upper ends of the left opening and closing body and the right opening and closing body are fixed on the upper fixing base through a pin, and the lower ends of the left opening and closing body and the right opening and closing body are matched with one end of the ball cylinder rod with the ball head.

5. The five-axis machine tool fixture according to claim 4, wherein the left opening and closing body is parallel to the clamping surface on the left side, and the right opening and closing body is parallel to the clamping surface on the right side.

6. The five-axis machine tool fixture according to claim 3, wherein the first auxiliary pressing claw and the second auxiliary pressing claw are V-shaped.

7. A five-axis machine tool fixture as claimed in claim 3, wherein a mistake proofing guide bar is provided on the clamping face.

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