CN113829101A - Fixture for drilling flange hole of crankshaft - Google Patents
Fixture for drilling flange hole of crankshaft Download PDFInfo
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- CN113829101A CN113829101A CN202111242461.6A CN202111242461A CN113829101A CN 113829101 A CN113829101 A CN 113829101A CN 202111242461 A CN202111242461 A CN 202111242461A CN 113829101 A CN113829101 A CN 113829101A
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- crankshaft
- support
- flange hole
- drilling
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- 238000005553 drilling Methods 0.000 title claims abstract description 32
- 230000007246 mechanism Effects 0.000 claims abstract description 71
- 238000001514 detection method Methods 0.000 claims description 54
- 239000000463 material Substances 0.000 claims description 18
- 238000004519 manufacturing process Methods 0.000 abstract description 11
- 238000003754 machining Methods 0.000 abstract description 7
- 238000003825 pressing Methods 0.000 description 7
- 230000008859 change Effects 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 230000008569 process Effects 0.000 description 4
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000003993 interaction Effects 0.000 description 2
- 239000004677 Nylon Substances 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 229910045601 alloy Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000003139 buffering effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 229920001778 nylon Polymers 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
- B23Q3/064—Work-clamping means adapted for holding workpieces having a special form or being made from a special material for holding elongated workpieces, e.g. pipes, bars or profiles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q17/00—Arrangements for observing, indicating or measuring on machine tools
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/08—Work-clamping means other than mechanically-actuated
- B23Q3/082—Work-clamping means other than mechanically-actuated hydraulically actuated
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides a crankshaft flange hole drilling clamp, and relates to the technical field of crankshaft machining. The clamp for drilling the flange hole of the crankshaft, provided by the invention, omits a gear and rack mechanism, has a simple structure, reduces the size of the supporting device, saves time and labor during production replacement, is flexible and convenient, and is efficient and quick.
Description
Technical Field
The invention relates to the technical field of crankshaft machining, in particular to a crankshaft flange hole drilling clamp.
Background
With the development of economy and the progress of society, automobiles gradually go into the lives of everyone. The engine is the most important heart for driving the automobile to move, and as is known, the engine consists of two large mechanisms and five large systems, wherein a crank link mechanism in the two large mechanisms is the core power source of the engine.
Usually, a crank connecting rod mechanism is formed by connecting a crankshaft and one or more connecting rods, the crankshaft has a plurality of processes in the machining process, and along with the continuous promotion of intelligent manufacturing of enterprises, efficient and quick production change is a problem generally faced by current manufacturing enterprises, so that a flexible flange hole clamp is provided for drilling a flange hole of the crankshaft. As shown in fig. 1, fig. 1 is a schematic structural diagram of a fixture for drilling a flange hole in the prior art, two cast supports 1 are used as supports of a fixture bottom plate 2, a rack-and-pinion mechanism 3 is fixed at the lower ends of the supports 1, when in replacement, a support locking pressing plate is firstly loosened, then a gear is rotated through a handle connected with a gear shaft, and the gear is meshed with a rack, so that the support 1 moves left and right. The support 1 is provided with a key groove and a threaded hole for positioning and fixing two V-shaped supporting blocks, and each V-shaped block is fixed with two alloy embedded cushion blocks. An axial positioning plate is fixed on the V-shaped part on one side and used as an axial positioning reference in the crankshaft machining process. An oil cylinder connecting plate is fixed at the rear end of the support 1, an angular positioning mechanism is fixed on the oil cylinder connecting plate, a waist hole is formed in the oil cylinder connecting plate, and the position of the axial positioning mechanism can be adjusted left and right during the process of changing production. The axial positioning mechanism is driven by an oil cylinder, the oil cylinder drives a rack to linearly move back and forth, the rack drives the gear to rotate, the cam shaft and the gear synchronously rotate, and a workpiece is stirred according to the offset of the cam. An angular positioning mechanism is arranged at the angular positioning position and comprises an angular positioning support, an angular positioning block, an angular positioning oil cylinder, a nylon jacking block and the like. And corner oil cylinders are arranged at corresponding positions of the V-shaped supporting blocks to compress and release the workpiece. And a detection switch is arranged at the corresponding position of the corner oil cylinder to detect the clamping state. The general timing of the workpiece processing is: the workpiece is placed on the V-shaped supporting block, the axial positioning mechanism stirs the workpiece to complete axial positioning, then the angular positioning mechanism performs angular positioning, the corner oil cylinder compresses the workpiece after the completion, the workpiece is processed after the compression detection is in place, the pressing arm is loosened after the processing is completed, the axial and angular mechanisms recover to the original position, the workpiece is taken down, and then the next crankshaft is prepared for processing.
The existing clamp for drilling the flange hole has the following defects:
1. the support 1 is overlarge in size, complex in structure and time-consuming and labor-consuming in production change;
2. the axial positioning mechanism has complex structure, higher processing cost, higher technical difficulty and inconvenient position adjustment;
3. part of the crankshaft axial positioning reference is at the thrust position, and the axial positioning blocks in the prior art can only be arranged at two sides of the crankshaft, so that the axial positioning reference is inaccurate, and the processing precision is influenced;
4. the corner oil cylinder compresses the workpiece after rotating, and part of the crankshaft shaft shoulder interferes with the rotating pressure arm.
Disclosure of Invention
The invention aims to provide a crankshaft flange hole drilling clamp which is simple in structure, capable of reducing the size of a supporting device, time-saving, labor-saving, flexible, convenient, efficient and quick in production change.
In order to achieve the purpose, the invention provides the following technical scheme:
the invention provides a crankshaft flange hole drilling clamp which comprises a tool bottom plate, a supporting device and a first connecting assembly, wherein a plurality of sliding grooves are formed in the tool bottom plate, the supporting device is connected with the sliding grooves through the first connecting assembly, and the first connecting assembly is used for adjusting and locking the position of the supporting device relative to the tool bottom plate.
Further, the supporting device comprises a supporting block and a cushion block assembly, the supporting block is connected with at least one sliding groove through a first connecting assembly, the supporting block is provided with a groove for supporting the crankshaft, and the cushion block assembly is arranged on the surface of the groove.
Further, the first connection assembly includes a cartridge and a fastener connected to an end of the cartridge, the cartridge extends through the support block, and an end of the cartridge facing away from the fastener is located in a slide slot for defining an axial position of the cartridge.
Further, the sliding groove is a T-shaped groove or a dovetail groove.
Further, still include axial positioning mechanism, angular positioning mechanism, work piece clamping mechanism and axial locating piece, axial positioning mechanism angular positioning mechanism work piece clamping mechanism and axial locating piece all through second coupling assembling and at least one the spout is connected, second coupling assembling is used for adjusting and locking axial positioning mechanism angular positioning mechanism work piece clamping mechanism and axial locating piece for the position of frock bottom plate.
Further, the axial positioning mechanism comprises a first support assembly, a shifting rod and a driving assembly;
the first support assembly is connected with at least one sliding groove through the second connecting assembly;
the shifting rod is rotatably connected with the first support assembly;
the driving assembly is mounted on the first support assembly and is connected with the shifting rod in a rotating mode, and the driving assembly is used for driving the shifting rod to rotate relative to the first support assembly.
Further, the supporting devices are configured to be two, and the axial positioning block is located between the two supporting devices.
Further, the workpiece clamping mechanism comprises a second support assembly, a clamping oil cylinder, a pressure arm, a first detection switch and a second detection switch;
the second support assembly is connected with at least one sliding groove through the second connecting assembly;
the pressure arm is rotationally connected with the second support assembly;
the clamping oil cylinder is arranged on the second support assembly and is in rotary connection with the pressure arm, and the clamping oil cylinder is used for driving the pressure arm to rotate relative to the second support assembly;
the first detection switch and the second detection switch are mounted on the second support assembly, the first detection switch is used for detecting the loosening state of the clamping oil cylinder, and the second detection switch is used for detecting the clamping state of the clamping oil cylinder.
Further, the clamping oil cylinder is a lever type oil cylinder.
Further, the device also comprises a material detection device, wherein the material detection device comprises a material detection support and a third detection switch;
the material detection support is arranged on the tool bottom plate;
the third detection switch is connected with the material detection support, and the third detection switch is used for detecting whether the crankshaft is placed on the supporting device.
The clamp for drilling the flange hole of the crankshaft provided by the invention has the following beneficial effects:
in the fixture for drilling the flange hole of the crankshaft, the bottom of the supporting device is provided with the tool bottom plate, the tool bottom plate is provided with the plurality of sliding grooves, the supporting device on the tool bottom plate can be released through the connecting assembly during the process of changing the production, the supporting device is moved, and after the adjustment is finished, the supporting device on the tool bottom plate is locked through the connecting assembly. Compared with the prior art, the clamp for drilling the flange hole of the crankshaft, provided by the invention, omits a rack and pinion mechanism, is simple in framework, reduces the size of the supporting device, saves time and labor during production replacement, is flexible, convenient, efficient and quick.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without creative efforts.
FIG. 1 is a schematic view of a prior art flange hole drilling fixture;
FIG. 2 is a schematic three-dimensional structural diagram of a crankshaft flange hole drilling fixture provided in an embodiment of the present invention;
FIG. 3 is a top view of a crankshaft flange hole drilling fixture provided in an embodiment of the present invention;
fig. 4 is a front view of a crankshaft flange hole drilling fixture provided in an embodiment of the present invention.
Icon: 1-a support; 2-a clamp base plate; 3-a rack and pinion mechanism; 4-tooling bottom plate; 41-a chute; 5-a support device; 51-a support block; 52-a pad assembly; 6-a first connection assembly; 7-an axial positioning mechanism; 71-a first carriage assembly; 711-axially positioning the cylinder support; 712-hinge mount; 713-pin shaft; 714-pin connecting block; 72-a deflector rod; 73-a drive assembly; 8-angular positioning mechanism; 81-angular positioning of the oil cylinder support; 82-angular positioning oil cylinder; 83-angular jacking blocks; 84-a guide web; 85-angular positioning support; 86-angular positioning blocks; 87-a guide bolt; 9-a workpiece clamping mechanism; 91-a second seat assembly; 911-clamping the oil cylinder support; 912-switch support; 92-clamping the oil cylinder; 93-a press arm; 94-briquetting; 10-axial positioning block; 11-a second connection assembly; 12-a crankshaft; 13-a material detection device; 131-a material detection support; 132-third detection switch.
Detailed Description
The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it should be understood that the described embodiments are some, but not all embodiments of the present invention. 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.
In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The following detailed description of embodiments of the invention refers to the accompanying drawings. It should be understood that the detailed description and specific examples, while indicating the present invention, are given by way of illustration and explanation only, not limitation.
The embodiment provides a bore bent axle flange hole anchor clamps, as shown in fig. 2, including frock bottom plate 4, strutting arrangement 5 and first connecting assembly 6, seted up a plurality of spouts 41 on the frock bottom plate 4, strutting arrangement 5 is connected with spout 41 through first connecting assembly 6, and first connecting assembly 6 is used for adjusting and locking strutting arrangement 5 position for frock bottom plate 4.
The crankshaft flange hole drilling fixture in the embodiment simplifies the structure of the supporting device 5, a gear rack mechanism is not required to be arranged, the size of the supporting device 5 is reduced, time and labor are saved during production changing, the supporting device is more flexible to move, and the crankshaft flange hole drilling fixture is not limited by the length of a rack.
Wherein, two, three, four or five sliding grooves 41 can be arranged on the tool bottom plate 4.
In at least one embodiment, as shown in fig. 2, four sliding grooves 41 are formed on the tool bottom plate 4.
In some embodiments, as shown in fig. 2, the supporting device 5 includes a supporting block 51 and a cushion block assembly 52, the supporting block 51 is connected with the at least one sliding groove 41 by the first connecting assembly 6, and the supporting block 51 has a groove for supporting the crankshaft 12, and the cushion block assembly 52 is disposed on a surface of the groove.
During machining, the supporting block 51 supports the crankshaft, and the pad assembly 52 performs a buffering function. In the process of replacing the work, the first connecting component 6 can release the locking state of the supporting block 51 and the sliding chute 41, the supporting block 51 can be manually moved to a proper position, and then the position of the supporting block 51 relative to the sliding chute 41 can be locked by the first connecting component 6.
Wherein, the groove can be a v-shaped groove, a trapezoidal groove and the like.
In at least one embodiment, the groove is a v-groove.
The pad assembly 52 includes two alloy-inlaid pads, one of which is disposed on one side of the V-groove and the other of which is disposed on the other side of the V-groove.
Specifically, the supporting block 51 may be connected with one, two, or three sliding grooves 41 by the first connecting member 6.
In at least one embodiment, as shown in fig. 2, the supporting block 51 is connected to the two sliding grooves 41 through the first connecting component 6, so that the stability of the connection of the supporting block 51 is ensured, and the operation of the operator is facilitated during the replacement.
In some embodiments, the first connection assembly 6 comprises a cartridge and a fastener connected to an end of the cartridge, the cartridge extending through the support block 51 and the end of the cartridge facing away from the fastener being located in a slide channel 41, the slide channel 41 serving to define the axial position of the cartridge.
The fastener can be matched with the plug-in component to press the supporting block 51 on the tool bottom plate 4 so as to lock the position of the supporting block 51 relative to the sliding groove 41; when the fastener is disconnected from the cartridge, the position of the support block 51 relative to the slide channel 41 is adjustable.
In particular, the cartridge may be threadably, snap-fit, etc. connected to the fastener.
In at least one embodiment, the cartridge is threadably coupled to the fastener, the cartridge employs a bolt, and the fastener employs a nut.
In some other embodiments, the first connecting member 6 may include a stopper detachably connected to the slot, and the stopper may be stopped at both sides of the supporting block 51 to limit the position of the supporting block 51.
Of course, the first connecting assembly 6 is not limited to the above two structures, and any structure capable of adjusting and locking the position of the supporting device 5 relative to the tool bottom plate 4 may be the first connecting assembly 6 mentioned in the above embodiment.
In some embodiments, the runner 41 may be a T-slot or dovetail slot.
In at least one embodiment, the chute 41 is a T-shaped slot.
In some embodiments, as shown in fig. 2 to 4, the fixture for drilling a flange hole of a crankshaft further includes an axial positioning mechanism 7, an angular positioning mechanism 8, a workpiece clamping mechanism 9, and an axial positioning block 10, the axial positioning mechanism 7, the angular positioning mechanism 8, the workpiece clamping mechanism 9, and the axial positioning block 10 are all connected to the at least one sliding chute 41 through a second connecting assembly 11, and the second connecting assembly 11 is used for adjusting and locking positions of the axial positioning mechanism 7, the angular positioning mechanism 8, the workpiece clamping mechanism 9, and the axial positioning block 10 relative to the tool base plate 4.
The tool bottom plate 4 can limit the positions of the axial positioning mechanism 7, the angular positioning mechanism 8, the workpiece clamping mechanism 9 and the axial positioning block 10 through the second connecting component 11, so that the positions of all the mechanisms can be conveniently adjusted.
Specifically, the axial positioning mechanism 7, the angular positioning mechanism 8, the workpiece clamping mechanism 9, and the axial positioning block 10 may be connected to one, two, or three sliding grooves 41 by a second connecting assembly 11.
The structure of the second connecting element 11 is similar to that of the first connecting element 6, and for brevity, the detailed description thereof is omitted.
In at least one embodiment, as shown in fig. 3, the axial positioning mechanism 7, the angular positioning mechanism 8, the workpiece clamping mechanism 9 and the axial positioning block 10 are connected with two sliding slots 41 through the second connecting assembly 11, and the two sliding slots 41 are different from the two sliding slots 41 connected with the supporting device 5.
The second connecting element 11 is similar to the first connecting element 6 in structure, and for brevity, will not be described in detail herein.
In some embodiments, as shown in fig. 3, the axial positioning mechanism 7 includes a first bracket assembly 71, a toggle 72, and a drive assembly 73; the first bracket assembly 71 is connected with the at least one sliding groove 41 through the second connecting assembly 11; the shift lever 72 is rotatably connected with the first support assembly 71; a drive assembly 73 is mounted to the first mount assembly 71 and is rotatably coupled to the toggle 72, the drive assembly 73 being configured to drive the toggle 72 to rotate relative to the first mount assembly 71 such that the toggle 72 oscillates the crankshaft 12.
The axial positioning mechanism 7 adopts a lever principle, a rotary joint of the first support assembly 71 and the shifting rod 72 serves as a fulcrum of a lever, and the driving assembly 73 drives the shifting rod 72 to rotate relative to the first support assembly 71, so that the shifting rod 72 can fluctuate the crankshaft 12, and the axial positioning of the crankshaft 12 is realized. The structure is simple, and compared with a cam mechanism, the cam mechanism is low in processing cost, small in technical difficulty, sensitive in shifting and convenient for position adjustment of the crankshaft.
As shown in fig. 3, the first support assembly 71 includes an axial positioning cylinder support 711, a hinge support 712, a pin 713, and a pin connecting block 714, the axial positioning cylinder support 711 is connected to at least one sliding groove 41 through the second connecting assembly 11, the hinge support 712 is fixedly mounted on the axial positioning cylinder support 711, a first end of the pin connecting block 714 is connected to the hinge support 712 through the pin 713, and another end of the pin connecting block 714 is hinged to the shift lever 72.
As shown in fig. 3, the driving assembly 73 includes an axial positioning cylinder and a connecting shaft, and the axial positioning cylinder is mounted on an axial positioning cylinder support 711, which is hinged to one end of the shift lever 72 through the connecting shaft.
In some embodiments, as shown in fig. 3, the angular positioning mechanism 8 includes an angular positioning cylinder support 81, an angular positioning cylinder 82, an angular top block 83, a guide connecting plate 84, an angular positioning support 85, an angular positioning block 86, and a guide bolt 87. The angular positioning oil cylinder support 81 is connected with at least one sliding groove 41 through a second connecting assembly 11; the guide connecting plate 84 is connected with the angular positioning oil cylinder support 81; the fixed end of the angular positioning oil cylinder 82 is arranged on an angular positioning oil cylinder support 81, and the moving end of the angular positioning oil cylinder 82 is connected with an angular jacking block 83; the angular ejecting block 83 is connected with a guide bolt 87, and the guide bolt 87 is connected with the guide connecting plate 84 in a sliding manner; the angular positioning support 85 is connected with the at least one sliding chute 41 through the second connecting assembly 11; the angular positioning block 86 is mounted on the angular positioning support 85.
When the angle positioning oil cylinder 82 is used, the angle positioning oil cylinder 82 drives the angle ejection block 83 to be close to the crankshaft, and the angle ejection block 83 and the angle positioning block 86 clamp the crankshaft together to achieve angle positioning of the crankshaft.
Specifically, a row of bolt holes are drilled in the angular positioning cylinder support 81 and the angular positioning support 85 to fix the angular positioning cylinder 82 and the angular positioning block 86 respectively, the heights of the angular positioning cylinder 82 and the angular positioning block 86 are adjusted according to the center distance of different crankshafts, the angular positioning block 86 is provided with a kidney-shaped hole, and the guide connecting plate 84 moves back and forth in the kidney-shaped hole to ensure the operation stability of the angular ejecting block 83.
In some embodiments, the two supporting devices 5 are configured to be two, the two supporting devices jointly support the crankshaft, the axial positioning block 10 is located between the two supporting devices 5, and the axial positioning block 10 can position the crankshaft at the thrust position of the crankshaft, so that the crankshaft is accurately positioned in the axial direction, and the machining precision is ensured.
It should be noted that, the position of the axial positioning block 10 can be freely adjusted by the supporting device 5 through the second connecting assembly 11, that is, the axial positioning block 10 can be located on both sides of the crankshaft or at the thrust of the crankshaft, so that the crankshaft flange hole drilling fixture provided by the above embodiment can be applied to various crankshafts.
In some embodiments, as shown in fig. 2, the workpiece clamping mechanism 9 includes a second seat assembly 91, a clamping cylinder 92, a pressing arm 93, a first detection switch, and a second detection switch; the second seat assembly 91 is connected with the at least one sliding groove 41 through the second connecting assembly 11; the pressure arm 93 is rotatably connected with the second support assembly 91; the clamping oil cylinder 92 is mounted on the second support assembly 91 and is rotatably connected with the pressure arm 93, and the clamping oil cylinder 92 is used for driving the pressure arm 93 to rotate relative to the second support assembly 91; the first detection switch and the second detection switch are both mounted on the second support assembly 91, the first detection switch is used for detecting the loosening state of the clamping cylinder 92, and the second detection switch is used for detecting the clamping state of the clamping cylinder 92.
In use, the clamping cylinder 92 drives the pressure arm 93 to rotate relative to the second seat assembly 91, such that the pressure arm 93 presses against the crankshaft. When the pressure arm 93 presses the crankshaft, the first detection switch detects first in-place information of the pressure arm 93, and after the pressure arm 93 releases the crankshaft to reset, the second detection switch detects second in-place information of the pressure arm 93.
As shown in fig. 2, a pressing block 94 may be disposed on the pressing arm 93, and the pressing arm 93 presses the crankshaft through the pressing block 94.
In addition, the first and second detection switches may be infrared sensors.
In at least one embodiment, the clamping cylinder 92 is a lever cylinder, and the clamping cylinder 92 has a lesser chance of interference relative to the corner cylinder.
Specifically, the second seat assembly 91 includes a clamping cylinder seat 911 and a switch seat 912; the clamping cylinder support 911 is connected with at least one sliding chute 41 through a second connecting assembly 11, and the clamping cylinder 92 is installed on the clamping cylinder support 911; the switch support 912 is arranged on the clamping oil cylinder support 911, and the pressure arm 93 is hinged with the switch support 912.
In some embodiments, the above-mentioned crankshaft flange hole drilling fixture further includes a material detection device 13, where the material detection device 13 includes a material detection support 131 and a third detection switch 132; the material detection support 131 is arranged on the tool bottom plate 4; the third detection switch 132 is connected with the material detection support 131, and the third detection switch 132 is used for detecting whether the crankshaft 12 is placed on the supporting device 5, so that signal interaction between the machine tool and the truss manipulator is realized.
The material detecting support 131 may be detachably connected to the tool bottom plate 4 through a third connecting assembly, and the structure of the third connecting assembly is similar to that of the first connecting assembly 6, and is not described herein again for brevity.
Specifically, the third detection switch 132 may be an infrared sensor.
In conclusion, the crankshaft flange hole drilling clamp provided by the embodiment has the following advantages:
1. a tool bottom plate 4 is configured, a plurality of sliding grooves 41 are formed in the tool bottom plate 4, a rack and pinion mechanism is omitted, and production change is time-saving, labor-saving, flexible, convenient, efficient and quick;
2. the axial positioning mechanism 7 is simple in structure, and compared with a cam mechanism, the axial positioning mechanism is low in processing cost, small in technical difficulty, sensitive in shifting and convenient for adjusting the position of a crankshaft;
3. the axial positioning block 10 can position the crankshaft at the thrust position of the crankshaft, so that the axial positioning accuracy of the crankshaft is ensured, and the machining precision is ensured;
4. the clamping oil cylinder 92 is a lever-type oil cylinder, and the interference probability of the clamping oil cylinder 92 is smaller compared with that of a corner cylinder;
5. be provided with first detection switch, second detection switch and third detection switch 132, real-time supervision bent axle state realizes realizing automated processing with the signal interaction of manipulator.
Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; while the invention has been described in detail and with reference to the foregoing embodiments, it will be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; and the modifications or the substitutions do not make the essence of the corresponding technical solutions depart from the scope of the technical solutions of the embodiments of the present invention.
Claims (10)
1. The utility model provides a bore bent axle flange hole anchor clamps, its characterized in that includes frock bottom plate (4), strutting arrangement (5) and first connecting element (6), a plurality of spouts (41) have been seted up on frock bottom plate (4), strutting arrangement (5) through first connecting element (6) with spout (41) are connected, first connecting element (6) are used for adjusting and locking strutting arrangement (5) for the position of frock bottom plate (4).
2. The jig for drilling a flange hole of a crankshaft according to claim 1, wherein the supporting device (5) comprises a supporting block (51) and a pad assembly (52), the supporting block (51) is connected with at least one of the sliding grooves (41) through a first connecting assembly (6), and the supporting block (51) has a groove for supporting the crankshaft (12), and the pad assembly (52) is disposed on a surface of the groove.
3. A crankshaft flange hole drilling jig according to claim 2, characterized in that the first connection assembly (6) comprises a cartridge and a fastener connected to the end of the cartridge, the cartridge extends through the support block (51) and the end of the cartridge facing away from the fastener is located in the slide groove (41), the slide groove (41) being used to define the axial position of the cartridge.
4. The jig for drilling a flange hole of a crankshaft according to claim 3, wherein the sliding groove (41) is a T-shaped groove or a dovetail groove.
5. The clamp for drilling the flange hole of the crankshaft according to claim 1, further comprising an axial positioning mechanism (7), an angular positioning mechanism (8), a workpiece clamping mechanism (9) and an axial positioning block (10), wherein the axial positioning mechanism (7), the angular positioning mechanism (8), the workpiece clamping mechanism (9) and the axial positioning block (10) are connected with at least one sliding chute (41) through a second connecting assembly (11), and the second connecting assembly (11) is used for adjusting and locking the positions of the axial positioning mechanism (7), the angular positioning mechanism (8), the workpiece clamping mechanism (9) and the axial positioning block (10) relative to the tooling bottom plate (4).
6. The clamp for drilling a flange hole of a crankshaft according to claim 5, characterized in that the axial positioning mechanism (7) comprises a first seat assembly (71), a deflector rod (72) and a driving assembly (73);
the first support assembly (71) is connected with at least one sliding groove (41) through the second connecting assembly (11);
the shifting rod (72) is rotationally connected with the first support assembly (71);
the driving assembly (73) is mounted on the first support assembly (71) and is rotatably connected with the shifting rod (72), and the driving assembly (73) is used for driving the shifting rod (72) to rotate relative to the first support assembly (71).
7. The clamp for drilling a flange hole of a crankshaft according to claim 5, characterized in that the supporting devices (5) are configured in two, and the axial positioning block (10) is located between the two supporting devices (5).
8. The clamp for drilling the flange hole of the crankshaft as claimed in claim 5, wherein the workpiece clamping mechanism (9) comprises a second support assembly (91), a clamping cylinder (92), a pressure arm (93), a first detection switch and a second detection switch;
the second support assembly (91) is connected with at least one sliding groove (41) through the second connecting assembly (11);
the pressure arm (93) is rotatably connected with the second support assembly (91);
the clamping oil cylinder (92) is mounted on the second support assembly (91) and is in rotary connection with the pressure arm (93), and the clamping oil cylinder (92) is used for driving the pressure arm (93) to rotate relative to the second support assembly (91);
the first detection switch and the second detection switch are mounted on the second support assembly (91), the first detection switch is used for detecting the loosening state of the clamping oil cylinder (92), and the second detection switch is used for detecting the clamping state of the clamping oil cylinder (92).
9. The jig for drilling a flange hole of a crankshaft according to claim 8, wherein the clamping cylinder (92) is a lever cylinder.
10. The clamp for drilling the crankshaft flange hole according to any one of claims 1 to 9, characterized by further comprising a material detection device (13), wherein the material detection device (13) comprises a material detection support (131) and a third detection switch (132);
the material detection support (131) is arranged on the tool bottom plate (4);
the third detection switch (132) is connected with the material detection support (131), and the third detection switch (132) is used for detecting whether the crankshaft (12) is placed on the supporting device (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242461.6A CN113829101A (en) | 2021-10-25 | 2021-10-25 | Fixture for drilling flange hole of crankshaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111242461.6A CN113829101A (en) | 2021-10-25 | 2021-10-25 | Fixture for drilling flange hole of crankshaft |
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| Publication Number | Publication Date |
|---|---|
| CN113829101A true CN113829101A (en) | 2021-12-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111242461.6A Pending CN113829101A (en) | 2021-10-25 | 2021-10-25 | Fixture for drilling flange hole of crankshaft |
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| Country | Link |
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| CN (1) | CN113829101A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114932437A (en) * | 2022-07-27 | 2022-08-23 | 成都西夏科技发展有限公司 | Terahertz waveguide positioning tool |
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