CN115781555A - Universal clamping device and method for frame type framework - Google Patents

Abstract

The disclosure relates to a universal clamping device and a clamping method for a frame type framework, wherein the clamping device comprises: the bottom plate, a plurality of location compress tightly subassembly and a plurality of tight subassembly in top. The bottom plates comprise a first bottom plate and a second bottom plate which are positioned at two ends, and at least one third bottom plate which is positioned between the first bottom plate and the second bottom plate; a plurality of positioning and pressing assemblies are respectively arranged on the first bottom plate, the second bottom plate and the third bottom plate, and the positioning and pressing assemblies are detachably connected with the first bottom plate and the second bottom plate and the third bottom plate; the first bottom plate and the second bottom plate are respectively provided with the tightly-pushing assembly, and the tightly-pushing assembly is detachably connected with the first bottom plate and the second bottom plate. The universal clamping device for the frame type framework provided by the disclosure realizes quick clamping of frame type frameworks with different types and specifications.

Description

Universal clamping device and clamping method for frame type framework

Technical Field

The disclosure relates to the technical field of clamps, in particular to a universal clamping device for a frame type framework and a clamping method for the frame type framework.

Background

As an important component of the framework processing technology equipment, the processing clamp is related to the processing quality, the production rate and the processing cost of the framework. The traditional clamp is single in clamping size, complex and tedious in clamping process, and can process frameworks of different models only by manually adjusting or replacing different clamps, so that the traditional clamp cannot meet the flexible processing requirements of current diversified and personalized frameworks. Measuring the plane of the tool, checking the positioning size of various tools, leveling, using the key parameters of the tool before use, and using the reference positioning surface and the positioning size of the equipment.

In addition, the special research and development clamp has high cost, cannot effectively save the production cost, has low production value, and has high subsequent maintenance and management cost, long switching period of product production change and occupation of on-site plane resources. The new trial-manufactured product process equipment which does not realize mass production has low reutilization rate, is more idle for storage, and can not effectively save the trial-manufactured cost.

Therefore, the flexible clamp capable of meeting the requirements of framework processing of different specifications and sizes is designed, and the flexible clamp has great significance for improving the processing quality and the productivity of the framework and reducing the processing cost.

It is to be noted that the information disclosed in the above background section is only for enhancement of understanding of the background of the present disclosure, and thus may include information that does not constitute prior art known to those of ordinary skill in the art.

Disclosure of Invention

The invention aims to provide a universal clamping device for a frame type framework and a clamping method for the frame type framework, which realize quick clamping of frame type frameworks with different types and specifications.

According to one aspect of the present disclosure, there is provided a universal clamping device of a frame-type framework, the clamping device comprising:

the bottom plate comprises a first bottom plate and a second bottom plate which are positioned at two ends, and at least one third bottom plate positioned between the first bottom plate and the second bottom plate;

the first bottom plate, the second bottom plate and the third bottom plate are respectively provided with a plurality of positioning and pressing assemblies, and the positioning and pressing assemblies are detachably connected with the first bottom plate, the second bottom plate and the third bottom plate;

the first bottom plate and the second bottom plate are respectively provided with the tight pushing assemblies, and the tight pushing assemblies are detachably connected with the first bottom plate and the second bottom plate.

In an exemplary embodiment of the present disclosure, the number of the mounting portions of the positioning and pressing assemblies on the bottom plate is greater than the number of the positioning and pressing assemblies, and the number of the mounting portions of the jacking assembly on the bottom plate is greater than the number of the positioning and pressing assemblies.

In an exemplary embodiment of the present disclosure, the positioning and pressing assembly includes:

the mounting seat is detachably connected with the bottom plate;

the supporting seat is arranged on the mounting seat and used for supporting the frame type framework;

the pressing mechanism comprises a supporting rod, a pressing piece and an adjusting rod, the supporting rod is arranged on the mounting seat, one end of the pressing piece is connected with the supporting rod, and the other end of the pressing piece faces the supporting seat and is used for pressing the side edge of the supporting frame type framework with the supporting seat; a through hole is formed in the pressing piece, one end of the adjusting rod is arranged on the mounting seat, and the other end of the adjusting rod penetrates through the through hole; the adjusting rod is located the part between the pressing piece and the mounting seat is sleeved with an elastic piece, the adjusting rod extends out one end of the through hole is provided with a nut, and the nut is rotated to enable the pressing piece to move towards one end of the supporting seat to move towards one side of the mounting seat and compress the elastic piece or move towards one side of the mounting seat and enable the elastic piece to recover elastic deformation.

In an exemplary embodiment of the present disclosure, the tightening assembly includes:

the jacking seat is arranged on the bottom plate;

the supporting piece is arranged on the bottom plate, and the supporting piece and the abutting seat are arranged at intervals;

the tight structure in top, including tight pole in top and regulation pole, tight pole in top is located support piece is last, adjust the pole with tight pole in top is connected, through it can adjust to adjust the pole in top tight pole with the interval between the tight seat in top.

In an exemplary embodiment of the present disclosure, the first bottom plate and the second bottom plate have a width greater than a width of the third bottom plate.

In an exemplary embodiment of the present disclosure, four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is two, and three positioning and pressing assemblies are arranged on each third bottom plate; and in the length direction of the bottom plates, the positioning and pressing assemblies on the two third bottom plates are symmetrically arranged.

In an exemplary embodiment of the present disclosure, four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged on the second bottom plate, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is two, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

In an exemplary embodiment of the present disclosure, four positioning and pressing assemblies are arranged on the first bottom plate, one jacking assembly is arranged, and the jacking assembly is arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is three, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

In an exemplary embodiment of the present disclosure, four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with two positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is three, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

According to one aspect of the present disclosure, there is provided a clamping method of a frame-type framework, the clamping method including:

providing the clamping device;

determining a frame positioning reference surface and the number of the third bottom plates according to the specification size, the shape and the supporting stress points of the frame type frame;

determining the positions of the positioning and pressing assembly and the jacking assembly in each bottom plate combination according to the determined framework positioning datum plane and the determined supporting stress point;

connecting each positioning and pressing component and the jacking component with the bottom plate, placing a frame type framework, and positioning the framework through the positioning and pressing components;

and adjusting the positions of the positioning and compressing assembly, the jacking assembly and the frame type framework, and fixing the framework through the positioning and compressing assembly and the jacking assembly.

The universal clamping device realizes the universalization of a platform, a large bottom plate and a common supporting part, different special small-sized tool parts are designed or matched standard parts are selected according to the product structure matching, so that the input cost of process equipment is reduced to the maximum extent, high special tool research and development cost is saved, one set of tool meets the production of two or more vehicle types, or the large structure of the tool is not changed by one set of tool, the manufacturing of two or more parts of the same vehicle type can be met through a small amount of transformation, the quick clamping of framework processing of different types and specification sizes is realized, the flexible processing requirements of diversified and personalized frameworks are met, the production cost of a locomotive is reduced, and meanwhile, the production efficiency is greatly improved; meanwhile, each device adopts a modular design, different module combinations are selected for clamping, the rapid assembly and switching of clamping with a framework are facilitated, and the clamping and modular clamping positioning is realized.

It is to be understood that both the foregoing general description and the following detailed description are exemplary and explanatory only and are not restrictive of the disclosure.

Drawings

The accompanying drawings, which are incorporated in and constitute a part of this specification, illustrate embodiments consistent with the present disclosure and together with the description, serve to explain the principles of the disclosure. It should be apparent that the drawings in the following description are merely examples of the disclosure and that other drawings may be derived by those of ordinary skill in the art without inventive effort.

FIG. 1 is a schematic view of a clamping frame of a clamping apparatus according to an embodiment of the disclosure;

FIG. 2 is a universal clamping apparatus for a frame-type framework provided by one embodiment of the present disclosure;

FIG. 3 is a top view of FIG. 2 provided in accordance with an embodiment of the present disclosure;

FIG. 4 is a schematic view of the first base plate and its components of FIG. 2 according to one embodiment of the present disclosure;

FIG. 5 is a top view of FIG. 4 provided by an embodiment of the present disclosure;

FIG. 6 is a left side view of FIG. 4 provided for one embodiment of the present disclosure;

FIG. 7 is a front view of FIG. 4 provided in accordance with an embodiment of the present disclosure;

FIG. 8 is a front view of FIG. 2 provided in accordance with an embodiment of the present disclosure;

FIG. 9 isbase:Sub>A cross-sectional view taken along plane A-A of FIG. 3 provided in accordance with an embodiment of the present disclosure;

FIG. 10 is a cross-sectional view taken along line B-B of FIG. 3 according to one embodiment of the present disclosure;

FIG. 11 is a left side view of the plane C-C of FIG. 3 provided for one embodiment of the present disclosure;

FIG. 12 is a left side view of the D-D surface of FIG. 3 provided by one embodiment of the present disclosure;

figure 13 is a schematic view of a clamping device for a frame-type frame of a DJG6 vehicle model according to an embodiment of the present disclosure;

figure 14 is a schematic view of a clamping device for a frame-type frame of a DJH11 vehicle model according to an embodiment of the present disclosure;

fig. 15 is a schematic view of a clamping device for a frame-type framework of a DJG8 vehicle model according to an embodiment of the present disclosure;

fig. 16 is a schematic view of a clamping device for a frame-type framework of a DJH12 vehicle according to an embodiment of the present disclosure.

Description of reference numerals:

100. a first base plate; 110. a first positioning and pressing assembly I; 120. a second positioning and pressing assembly; 130. a first support section; 140. a first tightening assembly;

200. a second base plate; 210. the first positioning and compressing assembly; 220. a second positioning and pressing assembly II; 230. a second support portion; 240. a second tightening assembly;

300. a third base plate; 310. a first positioning and pressing assembly; 320. a third positioning and pressing assembly II;

400. a frame-type frame.

Detailed Description

Example embodiments will now be described more fully with reference to the accompanying drawings. Example embodiments may, however, be embodied in many different forms and should not be construed as limited to the embodiments set forth herein; rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the concept of example embodiments to those skilled in the art. The same reference numerals in the drawings denote the same or similar structures, and thus a detailed description thereof will be omitted.

Although relative terms, such as "upper" and "lower," may be used in this specification to describe one element of an icon relative to another, these terms are used in this specification for convenience only, e.g., in accordance with the orientation of the examples described in the figures. It will be appreciated that if the device of the icon were turned upside down, the element described as "upper" would become the element "lower". When a structure is "on" another structure, it may mean that the structure is integrally formed with the other structure, or that the structure is "directly" disposed on the other structure, or that the structure is "indirectly" disposed on the other structure via another structure.

The terms "a," "an," "the," "said," and "at least one" are used to indicate the presence of one or more elements/components/parts/etc.; the terms "comprising" and "having" are intended to be inclusive and mean that there may be additional elements/components/etc. other than the listed elements/components/etc.; the terms "first," "second," and "third," etc. are used merely as labels, and are not limiting as to the number of their objects.

For solving the difficult, complicated loaded down with trivial details problem of quick reloading of anchor clamps in different types, specification and dimension framework course of working, this application provides a general clamping device of frame-type framework processing, can realize under the condition that need not to change anchor clamps, the clamping of realization to different types, specification and dimension framework.

As shown in fig. 1 to 15, the universal clamping device for a frame-type frame includes: the device comprises a bottom plate, a plurality of positioning and compressing assemblies and a plurality of jacking assemblies. The chassis includes a first chassis 100 and a second chassis 200 at both ends, and at least one third chassis 300 between the first chassis 100 and the second chassis 200. A plurality of positioning and pressing components are respectively arranged on the first bottom plate 100, the second bottom plate 200 and the third bottom plate 300, and the positioning and pressing components are detachably connected with the first bottom plate 100, the second bottom plate 200 and the third bottom plate 300. The first bottom plate 100 and the second bottom plate 200 are respectively provided with a jacking component, and the jacking components are detachably connected with the first bottom plate 100 and the second bottom plate 200.

Specifically, the number of the installation parts of the positioning compression assemblies on the bottom plate is larger than that of the positioning compression assemblies, and the number of the installation parts of the jacking assemblies on the bottom plate is larger than that of the positioning compression assemblies, so that the positioning compression assemblies are installed at different positions, and the jacking assemblies are installed at different positions to clamp different frame type frameworks.

Specifically, as shown in fig. 2 to 12, the clamping device includes: the bottom plate, a plurality of location compress tightly subassembly and a plurality of tight subassembly in top. The base plates include a first base plate 100, a second base plate 200, and a third base plate 300. The first base plate 100 is provided with a first positioning and pressing assembly 110, a second positioning and pressing assembly 120, a jacking assembly and a first supporting portion 130. The second base plate 200 is provided with a first positioning and pressing assembly 210, a second positioning and pressing assembly 220, a jacking assembly and a second supporting portion 230. The third base plate 300 is provided with a first positioning and pressing assembly 310 and a second positioning and pressing assembly 320. The number and type of components on the two third base plates 300 may be the same.

Wherein, the location compresses tightly the subassembly and includes: mount pad, supporting seat and hold-down mechanism. The mounting seat is detachably connected with the bottom plate; the support base is provided on the mounting base for supporting the frame-type frame 400. The pressing mechanism comprises a supporting rod, a pressing piece and an adjusting rod, the supporting rod is arranged on the mounting seat, one end of the pressing piece is connected with the supporting rod, and the other end of the pressing piece faces the supporting seat and is used for pressing and supporting the side edge of the frame type framework 400 with the supporting seat; the pressing piece is provided with a through hole, one end of the adjusting rod is arranged on the mounting seat, and the other end of the adjusting rod penetrates through the through hole; the adjusting rod is located to overlap on the part that compresses tightly between piece and the mount pad and is equipped with the elastic component, adjusts one of pole extension through-hole and serves and be equipped with the nut, through swivel nut, can make the one end that compresses tightly the piece towards the supporting seat move towards mount pad one side and compress the elastic component, perhaps moves towards one side that deviates from the mount pad and makes the elastic component resume elastic deformation.

Wherein, the tight subassembly in top includes: top tight seat, support piece and top tight structure. The jacking seat is arranged on the bottom plate; the supporting piece is arranged on the bottom plate and is arranged at intervals with the jacking seat; the tight structure in top includes the tight pole in top and adjusts the pole, and the tight pole in top is located support piece on, adjusts the pole and is connected with the tight pole in top, can adjust the tight pole in top and the tight interval between the seat in top through adjusting the pole.

As shown in fig. 3, the widths of the first base plate 100 and the second base plate 200 are greater than the width of the third base plate 300. The first base plate 100 and the second base plate 200 at both ends provide high support stability, and the number of the third base plates 300 is adjusted to accommodate the frame type frames 400 of different lengths.

Specifically, in the clamping process of the universal clamping device for the frame type framework 400 provided by the application, the structural size of the framework is analyzed for frameworks with similar structures and different specifications and sizes, the same positioning datum plane is calculated and selected, the datum heights are ensured to be the same, and therefore the module universality of the height positioning device is realized. Meanwhile, in order to meet the positioning requirements of frameworks with different sizes, the universal positioning module is adjusted by using an adjusting block which is convenient to disassemble.

In addition, in the positioning process, the floating support mode is adopted for auxiliary support, and after clamping is completed, the floating support is locked to be in rigid contact with the framework, so that the main support stress effect is achieved, and the requirement of vibration generation during machining is met. After the Z-direction height positioning, the framework is fixed with the clamp by using the fixing device, so that the framework is prevented from moving in the machining process. The fixing device comprises a jacking device and a pressing device, the jacking device enables the framework to be fixed in the width direction and the height direction, and the framework is prevented from moving in a horizontal plane; the pressing device fixes the framework in the height direction through the pressing block, and the framework is prevented from vibrating up and down.

General bottom plate plays to support fixed subassembly and location and compresses tightly the subassembly to with the effect that the lathe location is connected, the bottom plate includes: the first base plate 100, the second base plate 200, the third base plate 300 positioned in the middle, the hexagonal nut with shoulder M24, the T-shaped groove bolt M24X 115, the positioning key A28h6 and the screw M10X70, wherein the positioning key A28h6 is a supporting and fixing device and is connected with a machine tool in a positioning mode.

The framework is compressed by the positioning compression assembly, the framework is prevented from moving in a machining process, and the compression device is divided into a height direction compression device and a horizontal direction jacking device, wherein the height direction compression device is divided into a height adjustable device and a height non-adjustable device, the adjustable device is large in adjustment range, but the threaded pair connection meets the compression requirements of different sizes, and the manufacturing cost is possibly high; the adjustable height has a small adjusting range, and the adjustment of similar sizes of different frameworks is met; get the datum plane the same, highly the same, the application is unable height-adjusting closing device, and the bearing capacity is strong, and fixed subassembly includes: the device comprises a length-height direction positioning and pressing assembly, a width-height direction positioning and pressing assembly, a height direction positioning and pressing assembly and a jacking assembly.

The location of length, width, high three direction is realized to the location compress tightly subassembly according to anchor clamps location principle, includes: the device comprises a width-height direction positioning and compressing assembly, a length direction positioning and compressing assembly, a first height direction positioning and compressing assembly, a positioning cushion block and an inner hexagonal socket head cap screw M10 multiplied by 50.

In an embodiment of the present disclosure, as shown in fig. 13, for a frame-type framework 400 of a DJG6 vehicle type, four first positioning and pressing assemblies are provided on the first base plate 100, two first tightening assemblies 140 are provided, and the first tightening assemblies 140 are disposed adjacent to the first positioning and pressing assemblies. The four first positioning pressing assemblies comprise two first positioning pressing assemblies 110 located on the side edge in the length direction and two first positioning pressing assemblies 120 located on the side edge in the width direction.

The second base plate 200 is provided with four positioning second pressing assemblies, a second jacking assembly 240 is arranged, and the second jacking assembly 240 is arranged adjacent to the second positioning pressing assemblies; the four second positioning and pressing assemblies comprise two first positioning and pressing assemblies 210 located on the side edges in the length direction and two second positioning and pressing assemblies 220 located on the side edges in the width direction.

Two third bottom plates 300 are arranged, and three third positioning and pressing assemblies are arranged on each third bottom plate 300; the third positioning and pressing assemblies on the two third bottom plates 300 are symmetrically arranged in the length direction of the bottom plates. The three third positioning pressing assemblies comprise two first third pressing assemblies located on the side edges in the width direction, and two second third pressing assemblies located between the two first third pressing assemblies.

In an embodiment of the present disclosure, as shown in fig. 14, for a frame-type framework 400 of a DJH11 vehicle type, four first positioning pressing assemblies are disposed on the first bottom plate 100, two first tightening assemblies 140 are disposed, and the first tightening assemblies 140 are disposed adjacent to the first positioning pressing assemblies. The four first positioning pressing assemblies comprise two first positioning pressing assemblies 110 located on the side edge in the length direction and two first positioning pressing assemblies 120 located on the side edge in the width direction.

Four second positioning pressing assemblies are arranged on the second base plate 200, one second jacking assembly 240 is arranged, and the second jacking assembly 240 is arranged adjacent to the second positioning pressing assemblies. The four second positioning and pressing assemblies comprise two first positioning and pressing assemblies 210 located on the side edges in the length direction and two second positioning and pressing assemblies 220 located on the side edges in the width direction.

There are two third bottom plates 300, and two second positioning and compressing assemblies are disposed at two ends of each third bottom plate 300. The two third positioning pressing assemblies comprise two first third pressing assemblies located on the side edges in the width direction.

In an embodiment of the present disclosure, as shown in fig. 15, for a frame-type framework 400 of a DJG8 vehicle type, four first positioning and pressing assemblies are provided on the first base plate 100, one first tightening assembly 140 is provided, and the first tightening assembly 140 is disposed adjacent to the first positioning and pressing assembly. The four first positioning pressing assemblies comprise two first positioning pressing assemblies 110 located on the side edge in the length direction and two first positioning pressing assemblies 120 located on the side edge in the width direction.

Four second positioning pressing assemblies are arranged on the second base plate 200, one second jacking assembly 240 is arranged, and the second jacking assembly 240 is arranged adjacent to the second positioning pressing assemblies. The four second positioning and pressing assemblies include two first positioning and pressing assemblies 210 located on the side edges in the length direction, and two second positioning and pressing assemblies 220 located on the side edges in the width direction.

The number of the third bottom plates 300 is three, and two third positioning and compressing assemblies are arranged at two ends of each third bottom plate 300. The two third positioning pressing assemblies comprise two first third pressing assemblies located on the side edges in the width direction.

In an embodiment of the present disclosure, as shown in fig. 16, for a frame-type framework 400 of a DJH12 vehicle model, four first positioning pressing assemblies are disposed on the first bottom plate 100, two first tightening assemblies 140 are disposed, and the first tightening assemblies 140 are disposed adjacent to the first positioning pressing assemblies. The four first positioning pressing assemblies comprise two first positioning pressing assemblies 110 located on the side edge in the length direction and two first positioning pressing assemblies 120 located on the side edge in the width direction.

Two second positioning and compressing assemblies are arranged on the second base plate 200, a second jacking assembly 240 is arranged, and the second jacking assembly 240 and the second positioning and compressing assemblies are arranged adjacently. The four second positioning and pressing assemblies include two second positioning and pressing assemblies 220 located on the side edge in the width direction.

The number of the third bottom plates 300 is three, and two third positioning and compressing assemblies are arranged at two ends of each third bottom plate 300. The two third positioning pressing assemblies comprise two first third pressing assemblies positioned on the side edges in the width direction.

The universal clamping device realizes the universalization of a platform, a large-sized bottom plate and a common supporting component, different special small-sized tool parts are designed or matched standard components are selected according to the product structure matching, so that the investment cost of process equipment is reduced to the maximum extent, the high research and development cost of special tools is saved, one set of tool meets the production of two or more vehicle types, or the large structure of the tool is not changed by one set of tool, the manufacturing of two or more components of the same vehicle type can be met through a small amount of transformation, the quick clamping of frames with different types and specifications and sizes is realized, the flexible processing requirements of diversified and personalized frames are met, the production cost of a locomotive is reduced, and the production efficiency is greatly improved; meanwhile, each device adopts a modular design, different module combinations are selected for clamping, the rapid assembly and switching of clamping with a framework are facilitated, and the clamping and the modular clamping and positioning are realized.

The embodiment of the application also provides a clamping method of the frame type framework, which comprises the following steps:

step S100, providing the clamping device of the embodiment;

s200, determining a frame positioning reference surface and the number of third bottom plates according to the specification size, the shape and the supporting stress points of the frame type frame;

s300, determining the positions of a positioning and pressing assembly and a jacking assembly in each bottom plate combination according to the determined framework positioning reference surface and the determined supporting stress point;

s400, connecting each positioning and compressing assembly and each jacking assembly with a bottom plate, placing a frame type framework, and positioning the framework through the positioning and compressing assemblies;

and S500, adjusting the positions of the positioning and compressing assembly, the jacking assembly and the frame type framework, and fixing the framework through the positioning and compressing assembly and the jacking assembly.

Specifically, in the clamping process, for frame-type frameworks with similar structures and different specifications and sizes, the structural sizes of the frameworks are analyzed, the same positioning datum plane is calculated and selected, the datum heights are guaranteed to be the same, and therefore the module universality of the height positioning device is achieved.

The positioning and clamping are performed by adopting sectional positioning and clamping, the distance is adjustable, the clamping is convenient for the clamping of frameworks with different sizes, the principle of forming a positioning module is realized, and different positioning module assemblies (a positioning compression assembly and a jacking assembly) are configured according to the difference of the frameworks.

According to the length of the framework, the stress position and the design reference plane, the combination and the positioning position of the positioning module are adjusted and determined, the framework is machined and positioned, and the positioning unit is ensured to meet the machining requirement and be small in quantity.

In the positioning process, because the shapes of different frameworks are different, firstly, the positioning reference of the different frameworks is determined by adopting a floating support positioning method in different modules. In addition, the positioning units on the positioning module have different directions.

And finally, fixing by adopting a jacking assembly and a positioning and pressing assembly. Meanwhile, in order to realize the positioning of different types of frameworks, the positioning device adopts a floating support, a jacking assembly and a positioning and pressing assembly which are convenient for quick clamping.

Other embodiments of the disclosure will be apparent to those skilled in the art from consideration of the specification and practice of the invention disclosed herein. This application is intended to cover any variations, uses, or adaptations of the disclosure following, in general, the principles of the disclosure and including such departures from the present disclosure as come within known or customary practice in the art to which the disclosure pertains. It is intended that the specification and examples be considered as exemplary only, with a true scope and spirit of the disclosure being indicated by the following claims.

Claims (10)

1. A universal clamping device for a frame-type framework, comprising:

the bottom plate comprises a first bottom plate and a second bottom plate which are positioned at two ends, and at least one third bottom plate positioned between the first bottom plate and the second bottom plate;

the first bottom plate, the second bottom plate and the third bottom plate are respectively provided with a plurality of positioning and pressing assemblies, and the positioning and pressing assemblies are detachably connected with the first bottom plate, the second bottom plate and the third bottom plate;

the first bottom plate and the second bottom plate are respectively provided with the tightly-pushing assemblies, and the tightly-pushing assemblies are detachably connected with the first bottom plate and the second bottom plate.

2. The clamping device according to claim 1, wherein the number of the mounting parts of the positioning and pressing assemblies on the bottom plate is larger than that of the positioning and pressing assemblies, and the number of the mounting parts of the jacking assembly on the bottom plate is larger than that of the positioning and pressing assemblies.

3. The clamping device of claim 1, wherein the positioning and compressing assembly comprises:

the mounting seat is detachably connected with the bottom plate;

the supporting seat is arranged on the mounting seat and used for supporting the frame type framework;

the pressing mechanism comprises a supporting rod, a pressing piece and an adjusting rod, the supporting rod is arranged on the mounting seat, one end of the pressing piece is connected with the supporting rod, and the other end of the pressing piece faces the supporting seat and is used for pressing the side edge of the supporting frame type framework with the supporting seat; a through hole is formed in the pressing piece, one end of the adjusting rod is arranged on the mounting seat, and the other end of the adjusting rod penetrates through the through hole; the adjusting rod is located the part between the pressing piece and the mounting seat is sleeved with an elastic piece, the adjusting rod extends out one end of the through hole is provided with a nut, and the nut is rotated to enable the pressing piece to move towards one end of the supporting seat to move towards one side of the mounting seat and compress the elastic piece or move towards one side of the mounting seat and enable the elastic piece to recover elastic deformation.

4. The clamping device as recited in claim 1, wherein the puller assembly comprises:

the jacking seat is arranged on the bottom plate;

the supporting piece is arranged on the bottom plate and is arranged at an interval with the jacking seat;

the tight structure in top, including tight pole in top and regulation pole, tight pole in top is located support piece is last, adjust the pole with tight pole in top is connected, through it can adjust to adjust the pole in top tight pole with the interval between the tight seat in top.

5. The clamp of claim 1, wherein the first and second bottom plates have a width greater than a width of the third bottom plate.

6. The clamping device according to claim 1, wherein four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is two, and three positioning and pressing assemblies are arranged on each third bottom plate; and in the length direction of the bottom plates, the positioning and pressing assemblies on the two third bottom plates are symmetrically arranged.

7. The clamping device according to claim 1, wherein four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is two, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

8. The clamping device according to claim 1, wherein four positioning and pressing assemblies are arranged on the first bottom plate, one jacking assembly is arranged, and the jacking assembly is arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with four positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is three, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

9. The clamping device according to claim 1, wherein four positioning and pressing assemblies are arranged on the first bottom plate, two jacking assemblies are arranged on the first bottom plate, and the jacking assemblies are arranged adjacent to the positioning and pressing assemblies;

the second bottom plate is provided with two positioning and pressing assemblies, one jacking assembly is arranged, and the jacking assembly and the positioning and pressing assemblies are arranged adjacently;

the number of the third bottom plates is three, and two positioning and pressing assemblies are arranged at two ends of each third bottom plate.

10. A clamping method of a frame type framework is characterized by comprising the following steps:

providing a clamping device according to any one of claims 1 to 9;

determining a frame positioning reference surface and the number of the third bottom plates according to the specification size, the shape and the supporting stress points of the frame type frame;

determining the positions of the positioning and pressing assembly and the jacking assembly in each bottom plate combination according to the determined framework positioning datum plane and the determined supporting stress point;

connecting each positioning and pressing component and the jacking component with the bottom plate, placing a frame type framework, and positioning the framework through the positioning and pressing components;

and adjusting the positions of the positioning and compressing assembly, the jacking assembly and the frame type framework, and fixing the framework through the positioning and compressing assembly and the jacking assembly.

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