Positioning device for machining ultra-long weak-rigidity batten part
By designing a combination of base plate and positioning and fixing unit, the deformation problem of ultra-long, weak-rigidity slat parts during clamping, alignment and machining was solved, enabling rapid clamping and high-precision cutting.
Patent Information
- Application Number
- CN202423159483.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-19
- Publication Date
- 2025-12-12
- Estimated Expiration
- 2034-12-19
AI Technical Summary
Extra-long, weak-rigidity slatted parts are prone to deformation during clamping, alignment, and machining, making it difficult to guarantee dimensional and positional accuracy and affecting product quality.
A positioning device comprising a base plate, positioning and fixing units, a clamping mechanism, and a side-top mechanism was designed. Through multiple positioning and fixing units and bolt connections, the device enables rapid clamping and alignment of parts and constraint of six degrees of freedom, preventing displacement of the support positioning plate.
It enables rapid clamping and alignment of ultra-long, weak-stiffness slat parts and improves cutting stability, thereby enhancing machining rigidity, ensuring dimensional and positional accuracy, and preventing machining deformation.
Smart Images

Figure CN223656540U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model belongs to the field of machining technology, and specifically relates to a positioning device for machining super-long weak-rigidity batten parts. BACKGROUND
[0002] With the development of industrial technology, the quality and precision requirements of machining products are higher and higher, and the dimensional accuracy and geometric accuracy of machining parts have become one of the key factors determining the quality of products.
[0003] The super-long weak-rigidity batten parts are prone to deformation during clamping, alignment and machining due to the super-long length, small and complex cross-sectional size, poor rigidity, high dimensional accuracy and geometric accuracy requirements of the machining parts, which seriously affects the subsequent assembly and use, and even causes product scrap.
[0004] The information disclosed in the background section of this document is only intended to increase the understanding of the general background of the present utility model, and should not be considered as acknowledging or implying in any form that the information constitutes prior art known to those skilled in the art. CONTENT OF THE UTILITY MODEL
[0005] The utility model aims at providing a positioning device for machining super-long weak-rigidity batten parts, which can realize quick clamping and alignment, improve the machining rigidity and cutting stability of the parts. The device solves the problems of difficult clamping and alignment, non-coincidence of the reference and difficult guarantee of the dimensional accuracy during the cutting and machining of the super-long weak-rigidity batten parts.
[0006] In order to achieve the above-mentioned purpose, the technical scheme provided by a specific embodiment of the utility model is as follows:
[0007] The machining positioning device for super-long weak-rigidity strip parts comprises a bottom plate, positioning and fixing units, a plurality of positioning and fixing units are fixed on the top of the bottom plate, the bottom plate is provided with a plurality of first bottom plate threaded holes and second bottom plate threaded holes, the positioning and fixing unit comprises a supporting positioning plate, a pressing mechanism and a side top mechanism, the supporting positioning plate is fixed on the top of the bottom plate, the supporting positioning plate is provided with the pressing mechanism on both sides, and the side top mechanism is arranged on the side of the supporting positioning plate; the supporting positioning plate is rectangular, is provided with a supporting positioning plate through hole at the corner position, is provided with a supporting plane on the top, is provided with a positioning table on one side of the supporting plane, is provided with a first fixing table on the other side, is provided with a second fixing table outside the positioning table, the heights of the second fixing table, the positioning table and the supporting plane are gradually reduced, the height of the first fixing table is higher than that of the supporting plane, the side of the first fixing table is provided with a fixing table groove, a plurality of fixing through holes are arranged on the second fixing table and the first fixing table, and a bolt is connected to the first bottom plate threaded hole through the fixing through hole; the pressing mechanism comprises a pressing plate, a stud bolt and a supporting bolt, the pressing plate is provided with an adjusting hole and a pressing threaded hole, the adjusting hole is a long hole, a long bolt is arranged in the adjusting hole, the long bolt is connected to the second bottom plate threaded hole through the adjusting hole, and the supporting bolt is arranged in the pressing threaded hole; the side top mechanism comprises a side top base, a side top bolt and a top cap, the side top base is connected to the bottom plate and located on the side of the fixing table groove, the side top base is provided with a side top threaded hole, and the side top bolt is arranged in the side top threaded hole.
[0008] Further, the bottom plate is provided with a positioning pin on the top, and the supporting plane is provided with a positioning through hole, and the positioning pin is inserted into the positioning through hole.
[0009] Further, a plurality of positioning and fixing units are arranged on the same axis.
[0010] Further, the side of the bottom plate is provided with a positioning block, and the positioning block is located on the side of the outermost positioning and fixing unit.
[0011] Further, the side of the bottom plate is provided with a plurality of lifting rings.
[0012] Further, the end of the side top bolt is provided with an end head, and the top cap is arranged on the end head.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] The utility model can realize quick clamping and alignment, improve the machining rigidity and cutting stability of the parts, and solve the problems of difficult clamping and alignment, non-coincidence of the reference and difficult guarantee of the size precision in the cutting process of the super-long weak-rigidity strip parts.
[0015] The utility model discloses a plurality of support positioning plates are installed through bolt, and install pin shaft, prevent the support positioning plate displacement in the use process, and the support positioning plate is the positioning component of device, with the 6 degrees of freedom of locating block, side top device, compression device, and the complete positioning of the part in the processing process is realized. BRIEF DESCRIPTION OF DRAWINGS
[0016] Figure 1 It is the structure schematic drawing of the positioning device of the long weak rigidity strip part in the utility model;
[0017] Figure 2 It is the left view of Figure 1 .
[0018] Figure 3 It is the structure schematic drawing of the support positioning plate in the utility model;
[0019] Figure 4 It is the section view of Figure 3 .
[0020] Figure 5 It is the structure schematic drawing of the compression mechanism in the utility model;
[0021] Figure 6 It is the structure schematic drawing of the side top mechanism in the utility model;
[0022] Figure 7 It is the section view of the side top mechanism in the utility model. DETAILED DESCRIPTION
[0023] In order to make the personnel in the technical field better understand the technical scheme in the utility model, the technical scheme in the embodiment of the utility model will be described clearly and completely in the following with the drawings in the embodiment of the utility model, obviously, the described embodiment only is a part of the embodiment of the utility model, but not all the embodiment. Based on the embodiment in the utility model, all other embodiments that the ordinary skilled in the art obtains without making the creative labor should belong to the scope of the protection of the utility model. The following description shows the specific implementation of the utility model sufficiently, so that the skilled in the art can practice and reproduce.
[0024] As shown in Figure 1 , it is the structure schematic drawing of the positioning device of the long weak rigidity strip part in the utility model, as shown in Figure 2 , it is the left view of Figure 1 .
[0025] A positioning device for processing ultra-long, weak-stiffness slat parts includes: a base plate 1 and a positioning and fixing unit. Multiple positioning and fixing units are fixed on the top of the base plate 1 and arranged on the same axis. The positioning and fixing unit includes: a supporting positioning plate 2, a pressing mechanism 3, and a side-top mechanism 4. The supporting positioning plate 2 is fixed on the top of the base plate 1, and pressing mechanisms 3 are respectively provided on both sides of the supporting positioning plate 2. The side-top mechanism 4 is provided on the side of the supporting positioning plate 2.
[0026] The base plate 1 has multiple first base plate threaded holes and second base plate threaded holes, and a positioning pin is provided on the top. The first base plate threaded holes are used to fix and support the positioning plate 2, and the second base plate threaded holes are used to connect the long bolt 32 of the clamping mechanism 3.
[0027] A positioning block 5 is provided on the side of the base plate 1. The positioning block 5 is located on the side of the outermost positioning and fixing unit.
[0028] The positioning pins are used to fix the positioning plate 2 in a fixed position. Multiple lifting rings 11 are provided on the side of the base plate 1.
[0029] The number of positioning and fixing units used is selected according to the length of part 6, thereby improving the practicality of the device so as to position parts 6 of different lengths.
[0030] like Figure 3 The diagram shown is a structural schematic of the support positioning plate 2 in this utility model; as shown... Figure 4 As shown, is Figure 3 Cross-sectional view.
[0031] The support positioning plate 2 is rectangular, with a support positioning plate through hole at the corner and a support plane 21 at the top. A positioning platform 22 is provided on one side of the support plane 21, and a first fixing platform 23 is provided on the other side. A second fixing platform 24 is provided outside the positioning platform 22. The heights of the second fixing platform 24, the positioning platform 22, and the support plane 21 decrease sequentially. The height of the first fixing platform 23 is higher than the height of the support plane 21. A fixing platform groove 25 is provided on the side of the first fixing platform 23. The support plane 21 is provided with a positioning through hole 26, and multiple fixing through holes 27 are respectively provided on the second fixing platform 24 and the first fixing platform 23.
[0032] The positioning pin of the base plate 1 is inserted into the positioning through hole 26. The bolt passes through the fixing through hole 27 and is connected to the threaded hole of the first base plate to fix the support positioning plate 2 to the top of the base plate 1.
[0033] like Figure 5 The diagram shown is a structural schematic of the clamping mechanism 3 in this utility model.
[0034] The clamping mechanism 3 is installed on the base plate 1, and the upper end surfaces of the front and rear sides of the part 6 are positioned by the clamping mechanism 3 located on the front and rear sides of the part 6.
[0035] The pressing mechanism 3 comprises a pressing plate 31, a stud bolt 32 and a supporting bolt 33, the pressing plate 31 is provided with an adjusting hole and a pressing screw hole, the adjusting hole is a long hole, the stud bolt 32 is installed in the adjusting hole, so that the pressing plate 31 and the stud bolt 32 can be relatively moved, and the stud bolt 32 passes through the adjusting hole and is connected with the second bottom plate threaded hole.
[0036] As shown in Figure 6 As shown in Figure 7 As shown in
[0037] The side pressing mechanism 4 is arranged at the fixed table groove 25 of the supporting and positioning plate 2, and is used for positioning the side of the part 6.
[0038] The side pressing mechanism 4 comprises a side pressing base 41, a side pressing bolt 42 and a pressing cap 43, the side pressing base 41 is connected to the side of the fixed table groove 25 of the bottom plate 1, the side pressing base 41 is provided with a side pressing threaded hole, the side pressing bolt 42 is installed in the side pressing threaded hole, the end of the side pressing bolt 42 is provided with an end head, and the pressing cap 43 is installed on the end head.
[0039] The pressing cap 33 abuts against the front side wall of the part 6, the end head rotates, the pressing cap 33 does not rotate, so that the part 6 is not damaged when the side wall of the part 6 is clamped and fixed, and the surface roughness of the part 6 is protected.
[0040] It should be noted that, since the processed batten part 6 is too long, in order to ensure the accuracy and facilitate operation, a plurality of positioning and fixing unit combinations are used, the length of the single positioning and fixing unit is not greater than 2m, sufficient rigidity and accuracy are ensured, and two or more sets of positioning and fixing units are selected and assembled according to the different lengths of the part 6.
[0041] In use, before processing, according to the length of the part 6, a plurality of positioning and fixing units are selected, the machine tool workbench is cleaned, and is hoisted to the corresponding position of the machine tool workbench; the position of the positioning device on the machine tool workbench is adjusted to ensure that the bottom surface of the bottom plate 1 is closely attached to the workbench surface; the part 6 is installed in the supporting positioning plate 2, and during installation, the bottom surface of the part 6 is attached to the supporting surface 21, and the end surface is attached to the end surface of the positioning block 5; the side top bolt 42 on the side top mechanism 4 is rotated, the side top bolt 42 drives the top cap 43 to move, and the top cap 43 abuts against the front side surface of the part 6, so that the rear side surface of the part 6 is attached to the positioning surface of the positioning table 22; then the pressing mechanism 3 is installed on the bottom plate 1 and located on the front and rear sides of the part 6, the position of the pressing plate 31 is adjusted, the double-headed bolt 32 and the supporting bolt 33 are rotated, so that the pressing plate 31 presses the part 6, thereby realizing the constraint of the six degrees of freedom of the part 6 and realizing the complete positioning of the part 6 during processing; the required tool is installed on the machine tool spindle, the tool zero point is adjusted, and then the machine tool is started to complete the processing of the part processing position.
[0042] It is apparent to those skilled in the art that the present application is not limited to the details of the foregoing exemplary embodiments, and that the present application can be implemented in other specific forms without departing from the spirit or essential characteristics of the present application. Thus, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference signs in the claims should not be construed as limiting the scope of the claims to the identity of the references.
[0043] In addition, it should be understood that, although the present specification is described in terms of embodiments, not every embodiment contains only one independent technical solution, and the description of the specification is only for the sake of clarity, and those skilled in the art should consider the specification as a whole, and the technical solutions in each embodiment can be appropriately combined to form other embodiments that those skilled in the art can understand.
Claims
1. A positioning device for processing ultra-long, weak-stiff slat parts, characterized in that, include: A base plate and positioning and fixing units are provided. Multiple positioning and fixing units are fixed to the top of the base plate. The base plate has multiple first base plate threaded holes and second base plate threaded holes. The positioning and fixing units include: a supporting positioning plate, a clamping mechanism, and a side-top mechanism. The supporting positioning plate is fixed to the top of the base plate. Clamping mechanisms are provided on both sides of the supporting positioning plate, and the side-top mechanism is located on the side of the supporting positioning plate. The supporting positioning plate is rectangular, with through holes at the corners and a supporting plane at the top. A positioning platform is provided on one side of the supporting plane, and a first fixing platform is provided on the other side. A second fixing platform is provided outside the positioning platform. The heights of the second fixing platform, the positioning platform, and the supporting plane decrease sequentially. The height of the first fixed platform is higher than the height of the supporting plane. The side of the first fixed platform is provided with a fixed platform groove. Multiple fixed through holes are respectively provided on the second fixed platform and the first fixed platform. The bolt passes through the fixed through holes and connects to the threaded hole of the first base plate. The clamping mechanism includes: a pressure plate, a double-ended bolt, and a support bolt. The pressure plate is provided with an adjustment hole and a clamping screw hole. The adjustment hole is an elongated hole. The elongated bolt is installed in the adjustment hole and passes through the adjustment hole to connect to the threaded hole of the second base plate. The support bolt is installed in the clamping screw hole. The side top mechanism includes: a side top seat, a side top bolt, and a top cap. The side top seat is connected to the base plate and is located on the side of the fixed platform groove. The side top seat is provided with a side top threaded hole, and the side top bolt is installed in the side top threaded hole.
2. The positioning device for machining ultra-long, weak-stiff slat parts as described in claim 1, characterized in that, The base plate has a positioning pin at the top, and the supporting plane has a positioning through hole, into which the positioning pin is inserted.
3. The positioning device for machining ultra-long, weak-stiff slat parts as described in claim 1, characterized in that, Multiple positioning and fixing units are arranged on the same axis line.
4. The positioning device for machining ultra-long, weak-stiff slat parts as described in claim 1, characterized in that, A positioning block is provided on the side of the base plate, and the positioning block is located on the side of the outermost positioning and fixing unit.
5. The positioning device for machining ultra-long, weak-stiff slat parts as described in claim 1, characterized in that, The base plate has multiple lifting rings on its side.
6. The positioning device for machining ultra-long, weak-stiff slat parts as described in claim 1, characterized in that, The side bolt has an end cap, and a cap is installed on the end cap.