CN113427419A - Hydraulic centering, positioning and pressing device - Google Patents
Hydraulic centering, positioning and pressing device Download PDFInfo
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- CN113427419A CN113427419A CN202110741498.7A CN202110741498A CN113427419A CN 113427419 A CN113427419 A CN 113427419A CN 202110741498 A CN202110741498 A CN 202110741498A CN 113427419 A CN113427419 A CN 113427419A
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- 238000003825 pressing Methods 0.000 title claims abstract description 46
- 230000007246 mechanism Effects 0.000 claims abstract description 26
- 238000003780 insertion Methods 0.000 claims abstract description 3
- 230000037431 insertion Effects 0.000 claims abstract description 3
- 230000003584 silencer Effects 0.000 claims description 7
- 230000006835 compression Effects 0.000 claims description 5
- 238000007906 compression Methods 0.000 claims description 5
- 239000003921 oil Substances 0.000 description 18
- 238000004519 manufacturing process Methods 0.000 description 5
- 238000000034 method Methods 0.000 description 5
- 230000009471 action Effects 0.000 description 3
- 239000000428 dust Substances 0.000 description 3
- 239000010720 hydraulic oil Substances 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 238000011161 development Methods 0.000 description 2
- 230000004313 glare Effects 0.000 description 2
- 230000000149 penetrating effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005266 casting Methods 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000011056 performance test Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
- B25B—TOOLS OR BENCH DEVICES NOT OTHERWISE PROVIDED FOR, FOR FASTENING, CONNECTING, DISENGAGING OR HOLDING
- B25B11/00—Work holders not covered by any preceding group in the subclass, e.g. magnetic work holders, vacuum work holders
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Abstract
The invention discloses a hydraulic centering, positioning and compressing device, and belongs to the technical field of hydraulic clamping device elements. The device comprises a circumferential centering positioning mechanism and an end face pressing mechanism; the circumferential centering positioning mechanism comprises a central channel structure arranged on the main body; the inclined push rod is arranged in the central channel structure of the main body, the upper end of the inclined push rod is of a round table structure with an inclined plane, and a groove for inserting one end of the pull block is formed inwards on the inclined plane; the end surface of the inner end of the ejector rod is matched with the inclined surface of the inclined push rod in parallel, and the inner end of the ejector rod is provided with an insertion hole for inserting the elastic cylindrical pin and the other end of the pull block; a piston is arranged at the bottom of the cylinder structure at the lower end of the inclined push rod; a guide cover is arranged on the upper end surface of the main body; the end face pressing mechanism comprises a lever oil cylinder body arranged on the main body; the piston end of the lever piston is arranged in the lever oil cylinder body, the lever end of the lever piston penetrates through and extends out of the upper end face of the main body, and the top of the lever end of the lever piston is provided with a pressing portion. The problem of quick automatic centering location and the tight clamp of casing class part is solved.
Description
Technical Field
The invention belongs to the technical field of hydraulic clamping device elements, and relates to a hydraulic centering, positioning and compressing device.
Background
Along with the application development of an automatic production line, the design requirement of the industrial field on a hydraulic quick-change tool is higher and higher. In an automatic production line of the central gear case shell, when the upper half part of a part is processed, the central gear case shell is positioned by an inner hole, a boss on the lower end face and a small hole. Because the inner hole of the shell of the central gear case is in a casting blank state, the consistency is poor and the allowance is uneven. Therefore, it is necessary to realize quick automatic centering and positioning of the inner hole of the part and quick clamping of the end face.
Disclosure of Invention
In order to overcome the defects of the prior art, the invention aims to provide a hydraulic centering, positioning and pressing device, which solves the problems of quick automatic centering, positioning and end face clamping of shell parts.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
the invention discloses a hydraulic centering, positioning and compressing device which comprises a main body, wherein a circumferential centering and positioning mechanism and an end face compressing mechanism are arranged on the main body; the circumferential centering and positioning mechanism comprises a central channel structure arranged on the main body, an inclined push rod, a pull block, a push rod and an elastic cylindrical pin; the inclined push rod is arranged in the central channel structure of the main body, the upper end of the inclined push rod is of a round table structure with an inclined plane, and a groove for inserting one end of the pull block is formed inwards on the inclined plane; the end surface of the inner end of the ejector rod is matched with the inclined surface of the inclined push rod in parallel, and the inner end of the ejector rod is provided with an insertion hole for inserting the elastic cylindrical pin and the other end of the pull block; a piston is arranged at the bottom of the cylinder structure at the lower end of the inclined push rod; the bottom of the central channel structure is provided with a positioning column; a guide cover is arranged on the upper end surface of the main body; oil-way pipelines communicated with the outer side wall of the main body and the bottom surface of the main body are respectively arranged on the inner wall between the central channel structure and the piston; the end face pressing mechanism comprises a lever oil cylinder body, a lever piston and a main cylinder body base which are arranged on the main body; the piston end of the lever piston is arranged in the lever oil cylinder body, the lever end of the lever piston penetrates through and extends out of the upper end face of the main body, and the top of the lever end of the lever piston is provided with a pressing part; the bottom of the lever oil cylinder body is provided with a lever cylinder end cover, the main cylinder body base is arranged at the bottom of the main body, and the main cylinder body base and the lever cylinder end cover are respectively provided with oil passages which can be communicated with each other.
Preferably, the outer end of the ejector rod is provided with a pressure foot.
Further preferably, an adjusting pad is arranged between the mandril and the pressure foot.
Preferably, the upper end face of the central channel structure of the main body is provided with a three-point centering cover plate, and the bottom of the central channel structure of the main body is provided with a positioning column.
Further preferably, the device also comprises an elastic guide post, and a sliding groove matched with the elastic guide post is formed in the ejector rod along the axial direction; during assembly, the side surface of the rod body at the bottom of the elastic guide pillar is contacted with the side wall of the sliding groove on the ejector rod, and the end surface of the rod body at the bottom of the elastic guide pillar is not contacted with the bottom surface of the sliding groove on the ejector rod, so that the relative sliding of the rod body at the bottom of the elastic guide pillar and the sliding groove on the ejector rod is realized; the three-point centering cover plate is fixedly connected with the main body.
Preferably, the pressing portion comprises a pressing block, connecting holes are formed in the end portion and the middle portion of the pressing block respectively, a connecting hole is formed in the top end of the lever piston, a support corresponding to the lever end of the lever piston is arranged on the upper end face of the main body, the pressing block is movably connected with the connecting hole in the top end of the lever end through the connecting hole in the end portion, and the pressing block is movably connected with the support on the upper end face of the main body through the connecting hole in the middle portion.
Further preferably, the direction of the compression block is set radially outward of the body.
Preferably, the lever cylinder body comprises two sections with different inner diameters, a pressure spring is arranged in one section with the small inner diameter, one end of the pressure spring abuts against the inner wall of the main body, and the other end of the pressure spring abuts against the piston end of the lever piston.
Further preferably, an assembly hole is formed outwards in a section of the lever cylinder body with a small inner diameter, and the assembly hole is used for assembling the silencer.
Preferably, the guide covers and the pressing parts are alternately arranged on the upper end surface of the main body in sequence.
Compared with the prior art, the invention has the following beneficial effects:
the invention relates to a hydraulic centering, positioning and pressing device which comprises a circumferential centering and positioning mechanism and an end face clamping mechanism, wherein the circumferential centering and positioning mechanism is driven by a double-acting hydraulic structure and is centered and positioned by a wedge-shaped pull block mode. The end face clamping mechanism is driven by a single-action hydraulic structure. The device simple structure, convenient to use provides efficient hole automatic centering location and terminal surface quick clamping for central gear case automation line hydraulic pressure quick change anchor clamps, has good manufacturability and practicality. The hydraulic centering, positioning and pressing device is designed by combining the structural characteristics of the shell of the central gear case, the centering and positioning of the inner hole of the part and the quick clamping function of the end face are realized through multiple performance tests and reliability tests, the quick positioning and clamping of the part are ensured, the part is matched with a quick-change clamp, and the integrated processing of multiple parts is completed.
Furthermore, the adjusting pad is arranged between the ejector rod and the pressure foot, so that the positioning range of the circumferential centering and positioning mechanism can be adjusted according to actual use requirements, and the use occasion and the positioning efficiency are improved.
Therefore, the hydraulic centering and positioning device is simple in structure, can meet the process requirements in strength, precision and reliability, has good manufacturability and practicability, provides basic technical support for the successful development of the quick-change tool of the automatic production line of the shell of the central gear case, is particularly suitable for clamping parts on the automatic production line, realizes the quick automatic centering and clamping of shell parts, and realizes the integrated processing of multiple parts by clamping the parts once. The clamping efficiency is improved, and the production cost is reduced.
Drawings
FIG. 1 is a schematic structural diagram of a hydraulic centering and positioning pressing device according to the invention;
FIG. 2 is a schematic view of the working state of the hydraulic centering, positioning and compressing device of the invention;
FIG. 3 is a schematic view of the structure of the guide cover according to the present invention;
FIG. 4 is a schematic structural view of a main body according to the present invention;
FIG. 5 is a schematic structural view of the compression foot of the present invention;
FIG. 6 is a schematic structural view of the carrier rod of the present invention;
FIG. 7 is a schematic structural view of a three-point centering cover plate of the cylinder body of the present invention;
FIG. 8 is a schematic structural view of a pull block of the present invention;
FIG. 9 is a schematic view of the lever piston of the present invention;
FIG. 10 is a schematic view of the construction of the oblique push rod of the present invention;
FIG. 11 is a schematic view of the piston of the present invention;
FIG. 12 is a schematic structural view of a lever cylinder end cover according to the present invention;
FIG. 13 is a schematic view of the structure of the base of the main cylinder of the present invention.
Wherein: 1-a guide cover; 2-a body; 3-pressing feet; 4-adjusting the cushion; 5-a top rod; 6-three-point centering cover plate; 7-pulling the block; 8-lever piston; 9-oblique push rod; 10-a piston; 11-lever cylinder end cover; 12-a main cylinder base; 13-a positioning column; 14-an elastic guide post; 15-socket head cap screw; 16-a resilient cylindrical pin; 17-a dust ring; 18-a pressure spring; 19-a silencer; 20-piston seal ring; 21-a first O-ring; 22-screws; 23-a second O-ring; 24-a third O-ring; 25-a fourth O-ring; 26-Gray circle for hole; 27-circlip for hole; 28-a compact block; 29-connecting rod; 30-a first pin; 31-second pin.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. 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 invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, the invention discloses a hydraulic centering positioning pressing device, which comprises a guide cover 1, a main body 2, a pressing foot 3, an adjusting pad 4, a push rod 5, a three-point centering cover plate 6, a pull block 7, a lever piston 8, an inclined push rod 9, a piston 10, a lever cylinder end cover 11, a main cylinder body base 12, a positioning column 13, an elastic guide column 14, an inner hexagon screw 15, an elastic cylindrical pin 16, a dust ring 17, a pressure spring 18, a silencer 19, a piston sealing ring 20, a first O-ring 21, a screw 22, a second O-ring 23, a third O-ring 24, a fourth O-ring 25, a hole-used Glare ring 26, a hole-used elastic retainer ring 27, a pressing block 28, a connecting rod 29, a first pin 30 and a second pin 31. The hydraulic centering, positioning and pressing device can be divided into two parts, one part is a circumferential centering and positioning mechanism, and the other part is an end face pressing mechanism.
The circumferential centering and positioning mechanism mainly comprises: the device comprises a guide cover 1, a main body 2, a pressure foot 3, an adjusting pad 4, a push rod 5, a three-point centering cover plate 6, a pull block 7, an inclined push rod 9, a piston 10, a positioning column 13, an elastic guide column 14, an elastic cylindrical pin 16, a first O-shaped ring 21, a screw 22, a second O-shaped ring 23, a hole-used Glare ring 26, a hole-used elastic retainer ring 27 and the like. As shown in fig. 8, the pull block 7 includes a block-shaped body, one end of the block-shaped body is provided with a cylindrical end, and the other end of the block-shaped body is provided with a semi-cylindrical end. The main body 2 is a cylinder with a hollow cavity, a central passage structure is axially arranged at the center of the cylinder, the inclined push rod 9 is arranged in the central passage structure, as can be seen from fig. 10, the upper end of the inclined push rod 9 is in a circular truncated cone structure, three inclined planes which are uniformly distributed along the circumference are processed on the circular truncated cone, a groove which is matched with the semi-cylindrical end of the pull block 7 is inwards processed on each inclined plane, and the semi-cylindrical end of the pull block 7 can slide in the groove of the inclined push rod 9. The round platform structure at the upper end of the inclined push rod 9 realizes the limit of the up-and-down moving space through the clamping platform structure in the central channel structure of the main body 2. The lower end of the inclined push rod 9 is a cylinder structure, and the piston 10 is connected with the cylinder structure at the lower end of the inclined push rod 9 through a screw 22. The inclined push rod 9 and the inner wall of the central channel structure of the main body 2 are sealed through a first O-shaped ring 21. The inclined push rod 9 and the piston 10 are sealed through a second O-shaped ring 23. As can be seen from fig. 11, the diameter of the piston 10 is matched with the inner diameter of the central passage structure of the main body 2, so that the piston 10 can move up and down along the central passage structure of the main body 2, and the piston 10 and the inner wall of the central passage structure of the main body 2 are sealed by the greige ring 26. The side wall of the main body 2 is radially inward, three radial channel structures communicated with the central channel structure of the main body 2 are uniformly arranged, and the radial channels are used for penetrating the ejector rod 5 and enabling the ejector rod 5 to reciprocate in the radial channel structures. As shown in fig. 5 and 6, the outer end of the ejector rod 5 is provided with a pressure foot 3, the inner end surface of the ejector rod 5 is in parallel fit with the inclined surface of the upper end of the inclined push rod 9, and the inner end of the ejector rod 5 is provided with a round hole for placing an elastic cylindrical pin 16, during assembly, the cylindrical end of one end of the pull block 7 is padded at the bottom of the elastic cylindrical pin 16, the ejector rod 5 is provided with a chute along the axial direction, during assembly, the bottom end of the elastic guide pillar 14 is matched with the chute on the ejector rod 5, so that the side surface of the rod body at the bottom of the elastic guide pillar 14 is contacted with the side wall of the chute on the ejector rod 5, the rod body end surface at the bottom of the elastic guide pillar 14 is not contacted with the bottom surface of the chute on the ejector rod 5, and the relative sliding between the rod body at the bottom of the elastic guide pillar 14 and the chute on the ejector rod 5 is realized; the top end of the elastic guide post 14 is fixedly connected with the three-point centering cover plate 6 through a hole formed on the main body 2. Preferably, an adjusting pad 4 is arranged between the mandril 5 and the pressure foot 3. When in use, the inclined push rod 9 is assembled with the ejector rod 5 through the pull block 7 and the elastic cylindrical pin 16, so that the inclined push rod 9 and the ejector rod 5 can move relatively in the central channel structure and the radial channel structure respectively. A three-point centering cover plate 6 (the specific structure is shown in fig. 7) is assembled on the upper end face of the central channel structure of the main body 2, and the three-point centering cover plate 6 is fixedly connected with the main body 2 through a socket head cap screw 15. Be equipped with reference column 13 in the bottom internal diameter of main part 2 central passage structure, sealed for the circlip 27 realization of clearing hole between reference column 13 and the main part 2 central passage structure. As can be seen from fig. 2 and 4, three guide covers 1 are mounted on the upper end surface of the main body 2 in correspondence to the press legs 3. Wherein, the inner wall between the clamping platform structure in the central channel structure of the main body 2 and the piston 10 is respectively provided with an oil channel pipeline leading to the outer side wall of the main body 2 and the bottom surface of the main body 2. When the device is used, the oil pressure pushes the piston 10 to move up and down, and the inclined push rod 9, the pull block 7 and the three push rods 5 are driven to move synchronously. The elastic guide post 14 realizes the motion limit of the mandril 5. The elastic cylindrical pin 16 realizes the movable limit of the pulling block 7. The positioning accuracy of the circumferential centering and positioning mechanism is ensured by adjusting the size of the adjusting pad 4. When the hydraulic centering, positioning and pressing device is used, the hydraulic centering, positioning and pressing device is connected with an external clamp, centering is achieved through the positioning column 13, and the main cylinder body base 12 is connected with the external clamp through screws.
The end face pressing mechanism consists of: the main body 2, a main cylinder body base 12, a lever piston 8, a lever cylinder end cover 11, a dust ring 17, a pressure spring 18, a silencer 19, a piston seal ring 20, a third O-shaped ring 24, a fourth O-shaped ring 25, a pressing block 28, a connecting rod 29, a first pin 30, a second pin 31 and the like. As can be seen from fig. 2, 4 and 9, in the circumferential centering and positioning mechanism, three supports are uniformly arranged on the upper end surface of the main body 2 between every two guide covers 1 of the three guide covers 1, a lever hole is formed in each radially inward area corresponding to each support, each lever hole is communicated with a certain lever cylinder inside the main body 2, and during assembly, the lever hole is used for passing through the lever end of the lever piston 8, and the piston end of the lever piston 8 is arranged in the lever cylinder of the main body 2: specifically, the lever cylinder body comprises two sections with different inner diameters, so that the piston end of the lever piston 8 can move in the section with the larger inner diameter, a pressure spring 18 is arranged in the section with the smaller inner diameter, one end of the pressure spring 18 abuts against the inner wall of the main body 2, the other end of the pressure spring 18 abuts against the piston end of the lever piston 8, and the lever end of the lever piston 8 can extend out of the main body 2 to do up-and-down piston motion. During assembly, as can be known by combining fig. 2 and 9, the lever end of the lever piston 8 extends out of the main body 2, the lever end of the lever piston 8 corresponds to the support one by one, a connecting hole is further formed in the top end of the lever piston 8, a first pin 30 penetrates through the connecting hole to realize installation of the pressing block 28, a connecting hole is also formed in the middle of the pressing block 28, the pressing block 28 is assembled with the support of the upper end face of the main body 2 through the connecting hole in the middle in a one-to-one correspondence manner, the connecting rod 29 passes through holes formed in two ends, the connecting hole in the middle of the pressing block 28 and the holes in the support are connected through a second pin 31 penetrating through the connecting hole in the middle of the pressing block, and the lever end of the lever piston 8, the pressing block 28 and the support are movably connected. Wherein, an assembling hole for assembling the silencer 19 is arranged outside in the section of the lever oil cylinder body with the small inner diameter. The lever piston 8 and the lever hole are sealed through a dustproof ring 17, and the lever piston 8 and the inner side wall of the lever oil cylinder body are sealed through a piston sealing ring 20. Wherein, the bottom end of the lever cylinder body is provided with a lever cylinder end cover 11 (the specific structure is shown in fig. 12), and the lever cylinder end cover 11 and the main body 2 are sealed through a third O-shaped ring 24. As can be seen from fig. 13, the main body 2 and the main cylinder base 12 are fixed to each other by screws. Oil passages which can be communicated with each other are respectively formed in the main cylinder body base 12 and the lever cylinder end cover 11, and the oil passages which can be communicated and formed by the main cylinder body base 12 and the lever cylinder end cover 11 are sealed through a fourth O-shaped ring 25. When the lever oil cylinder is used, the main oil way is divided into 3 branches (the oil way channel which is formed by the main cylinder body base 12 and the lever cylinder end cover 11 and can be communicated) by the main cylinder body base 12 and is supplied to the three lever oil cylinder bodies, the three lever pistons 8 are independently supplied with oil, mechanical cooperation is not formed before the three lever pistons are mutually matched, and clamping force is controlled through oil pressure. The clamping effect of the end face clamping mechanism is realized through oil pressure, the loosening is realized through a pressure spring 18, after the oil pressure is removed, the pressure spring 18 pushes a lever piston 8 to realize the loosening action, and a silencer 19 is arranged on the side of the pressure spring 18 and connected with the atmosphere to prevent back pressure.
The hydraulic centering and positioning pressing device adopts 3 paths of hydraulic oil to realize integral action, 2 paths of hydraulic oil control the piston 10 to realize the action of the centering and positioning mechanism, and 1 path of hydraulic oil control the lever piston 8 to realize the support and the release of the end face auxiliary support mechanism.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A hydraulic centering, positioning and pressing device is characterized by comprising a main body 2, wherein a circumferential centering and positioning mechanism and an end face pressing mechanism are arranged on the main body 2;
the circumferential centering and positioning mechanism comprises a central channel structure arranged on the main body 2, an inclined push rod 9, a pull block 7, a push rod 5 and an elastic cylindrical pin 16; the inclined push rod 9 is arranged in the central channel structure of the main body 2, the upper end of the inclined push rod 9 is in a round table structure with an inclined plane, and a groove for inserting one end of the pull block 7 is formed inwards on the inclined plane; the end surface of the inner end of the ejector rod 5 is matched with the inclined surface of the inclined push rod 9 in parallel, and the inner end of the ejector rod 5 is provided with an insertion hole for inserting the elastic cylindrical pin 16 and the other end of the pull block 7; a piston 10 is arranged at the bottom of the cylinder structure at the lower end of the inclined push rod 9; the bottom of the central channel structure is provided with a positioning column 13; the upper end surface of the main body 2 is provided with a guide cover 1; oil-way pipelines communicated with the outer side wall of the main body 2 and the bottom surface of the main body 2 are respectively arranged on the inner wall between the central channel structure and the piston 10;
the end face pressing mechanism comprises a lever oil cylinder body arranged on the main body 2, a lever piston 8 and a main cylinder body base 12; the piston end of the lever piston 8 is arranged in the lever oil cylinder body, the lever end of the lever piston 8 penetrates through and extends out of the upper end face of the main body 2, and the top of the lever end of the lever piston 8 is provided with a pressing part; the bottom of the lever cylinder body is provided with a lever cylinder end cover 11, a main cylinder body base 12 is arranged at the bottom of the main body 2, and oil passages which can be mutually communicated are respectively arranged on the main cylinder body base 12 and the lever cylinder end cover 11.
2. The hydraulic centering pressing device according to claim 1, wherein the outer end of the top rod 5 is provided with a pressing foot 3.
3. The hydraulic centering pressing device according to claim 2, wherein an adjusting pad 4 is arranged between the mandril 5 and the pressing foot 3.
4. A hydraulic centering pressing device according to claim 1, wherein the upper end face of the central channel structure of the main body 2 is provided with a three-point centering cover plate 6, and the bottom of the central channel structure of the main body 2 is provided with a positioning column 13.
5. The hydraulic centering, positioning and compressing device as claimed in claim 4, further comprising an elastic guide post 14, wherein the top rod 5 is provided with a sliding groove along the axial direction, the sliding groove being engaged with the elastic guide post 14;
during assembly, the side surface of the rod body at the bottom of the elastic guide post 14 is contacted with the side wall of the sliding groove on the ejector rod 5, and the end surface of the rod body at the bottom of the elastic guide post 14 is not contacted with the bottom surface of the sliding groove on the ejector rod 5, so that the relative sliding between the rod body at the bottom of the elastic guide post 14 and the sliding groove on the ejector rod 5 is realized;
the three-point centering cover plate 6 is fixedly connected with the main body 2.
6. The hydraulic centering, positioning and compressing device as claimed in claim 1, wherein the compressing portion comprises a compressing block 28, the compressing block 28 is provided with connecting holes at the end portion and the middle portion respectively, the top end of the lever piston 8 is provided with a connecting hole, the upper end surface of the main body 2 is provided with a support corresponding to the lever end of the lever piston 8, the compressing block 28 is movably connected with the connecting hole at the top end of the lever end through the connecting hole at the end portion, and the compressing block 28 is movably connected with the support at the upper end surface of the main body 2 through the connecting hole at the middle portion.
7. A hydraulic centring pressure device according to claim 6 in which the pressure block 28 is orientated radially outwardly of the body 2.
8. The hydraulic centering, positioning and compressing device as claimed in claim 1, wherein the lever cylinder body comprises two sections with different inner diameters, a compression spring 18 is arranged in the section with the small inner diameter, one end of the compression spring 18 abuts against the inner wall of the main body 2, and the other end of the compression spring 18 abuts against the piston end of the lever piston 8.
9. The hydraulic centering, positioning and pressing device as claimed in claim 8, wherein a section of the lever cylinder body with a small inner diameter is provided with an assembling hole outwards, and the assembling hole is used for assembling the silencer 19.
10. The hydraulic centering pressing device of claim 1, wherein the guiding covers 1 and the pressing portions are alternately arranged on the upper end surface of the main body 2 in sequence.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202110741498.7A CN113427419A (en) | 2021-06-30 | 2021-06-30 | Hydraulic centering, positioning and pressing device |
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| CN202110741498.7A CN113427419A (en) | 2021-06-30 | 2021-06-30 | Hydraulic centering, positioning and pressing device |
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| CN113427419A true CN113427419A (en) | 2021-09-24 |
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| CN202110741498.7A Pending CN113427419A (en) | 2021-06-30 | 2021-06-30 | Hydraulic centering, positioning and pressing device |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113997096A (en) * | 2021-10-29 | 2022-02-01 | 常州工业职业技术学院 | Aluminum alloy positioning tool for precision casting |
| CN114132557A (en) * | 2021-11-10 | 2022-03-04 | 北自所(北京)科技发展股份有限公司 | Automatic centering expansion type yarn placing disc |
| CN114872239A (en) * | 2022-05-24 | 2022-08-09 | 江西迪亚特自动化设备有限公司 | Tire mould laser cleaning equipment |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29811648U1 (en) * | 1998-06-30 | 1998-09-17 | Hico Himmel & Co KG, 78727 Oberndorf | Device for centered clamping of workpieces or the like. |
| CN202292174U (en) * | 2011-09-09 | 2012-07-04 | 索特传动设备有限公司 | Clamping and centering device of ring-shaped workpieces |
| CN104100597A (en) * | 2014-07-15 | 2014-10-15 | 宁波亚吉机电科技有限公司 | High pressure lever cylinder |
| CN204413637U (en) * | 2014-12-31 | 2015-06-24 | 无锡贝斯特精机股份有限公司 | Fixture diclinic contract self-centring positioning device |
| CN206296708U (en) * | 2016-12-13 | 2017-07-04 | 一拖（洛阳）汇德工装有限公司 | A kind of 2 self-centerings and automatic compacting device |
| CN108581520A (en) * | 2018-04-12 | 2018-09-28 | 宁波海天精工股份有限公司 | A kind of hydraulic pump end cap processing self-centering hydraulic pressure fixture |
| CN111015554A (en) * | 2019-12-28 | 2020-04-17 | 无锡市瑞可特科技有限公司 | Round hole centering device |
| CN111889821A (en) * | 2020-07-13 | 2020-11-06 | 南京工大数控科技有限公司 | Automatic centering and pressing device for machining inner gear ring and gear |
| CN212351219U (en) * | 2020-06-04 | 2021-01-15 | 苏州劳灵精密机械有限公司 | Five-surface machining clamp based on lever clamping module and lever clamping module |
-
2021
- 2021-06-30 CN CN202110741498.7A patent/CN113427419A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE29811648U1 (en) * | 1998-06-30 | 1998-09-17 | Hico Himmel & Co KG, 78727 Oberndorf | Device for centered clamping of workpieces or the like. |
| CN202292174U (en) * | 2011-09-09 | 2012-07-04 | 索特传动设备有限公司 | Clamping and centering device of ring-shaped workpieces |
| CN104100597A (en) * | 2014-07-15 | 2014-10-15 | 宁波亚吉机电科技有限公司 | High pressure lever cylinder |
| CN204413637U (en) * | 2014-12-31 | 2015-06-24 | 无锡贝斯特精机股份有限公司 | Fixture diclinic contract self-centring positioning device |
| CN206296708U (en) * | 2016-12-13 | 2017-07-04 | 一拖（洛阳）汇德工装有限公司 | A kind of 2 self-centerings and automatic compacting device |
| CN108581520A (en) * | 2018-04-12 | 2018-09-28 | 宁波海天精工股份有限公司 | A kind of hydraulic pump end cap processing self-centering hydraulic pressure fixture |
| CN111015554A (en) * | 2019-12-28 | 2020-04-17 | 无锡市瑞可特科技有限公司 | Round hole centering device |
| CN212351219U (en) * | 2020-06-04 | 2021-01-15 | 苏州劳灵精密机械有限公司 | Five-surface machining clamp based on lever clamping module and lever clamping module |
| CN111889821A (en) * | 2020-07-13 | 2020-11-06 | 南京工大数控科技有限公司 | Automatic centering and pressing device for machining inner gear ring and gear |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN113997096A (en) * | 2021-10-29 | 2022-02-01 | 常州工业职业技术学院 | Aluminum alloy positioning tool for precision casting |
| CN113997096B (en) * | 2021-10-29 | 2022-08-09 | 常州工业职业技术学院 | Aluminum alloy positioning tool for precision casting |
| CN114132557A (en) * | 2021-11-10 | 2022-03-04 | 北自所(北京)科技发展股份有限公司 | Automatic centering expansion type yarn placing disc |
| CN114872239A (en) * | 2022-05-24 | 2022-08-09 | 江西迪亚特自动化设备有限公司 | Tire mould laser cleaning equipment |
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Application publication date: 20210924 |