CN110883582B - A bridge housing milling surface drilling fixture - Google Patents
A bridge housing milling surface drilling fixture Download PDFInfo
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- CN110883582B CN110883582B CN201911085721.6A CN201911085721A CN110883582B CN 110883582 B CN110883582 B CN 110883582B CN 201911085721 A CN201911085721 A CN 201911085721A CN 110883582 B CN110883582 B CN 110883582B
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- oil cylinder
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- 238000005553 drilling Methods 0.000 title claims abstract description 29
- 238000003801 milling Methods 0.000 title claims abstract description 28
- 230000007246 mechanism Effects 0.000 claims abstract description 91
- 238000003825 pressing Methods 0.000 claims description 32
- 230000000149 penetrating effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 5
- 239000003638 chemical reducing agent Substances 0.000 description 2
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000003203 everyday effect Effects 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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
-
- 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
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P70/00—Climate change mitigation technologies in the production process for final industrial or consumer products
- Y02P70/10—Greenhouse gas [GHG] capture, material saving, heat recovery or other energy efficient measures, e.g. motor control, characterised by manufacturing processes, e.g. for rolling metal or metal working
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Jigs For Machine Tools (AREA)
- Drilling And Boring (AREA)
Abstract
The invention provides an axle housing milling surface drilling fixture, which comprises: the device comprises a base, two screw rod mechanisms, a first guide rail and two clamping mechanisms, wherein the first guide rail and the two clamping mechanisms are arranged on the base; the screw rod mechanism comprises a screw rod and a nut; the clamping mechanism comprises a supporting slide seat, a first clamping block, a second clamping block and a first driving oil cylinder, wherein the two supporting slide seats are respectively arranged on the two nuts, a sliding groove which is perpendicular to the first guide rail and extends is formed in the supporting slide seat, the first clamping block is arranged at the tail end of the sliding groove, the second clamping block can be arranged on the supporting slide seat in a sliding mode along the sliding groove, and the first driving oil cylinder is arranged on the supporting slide seat, and the output end of the first driving oil cylinder is fixedly connected with the second clamping block. According to the axle housing milling surface drilling fixture, the two clamping mechanisms are driven by the oil cylinder to tightly clamp the plate spring seat of the axle housing workpiece, and quick clamping and replacement can be realized without manually adjusting fixing fixtures such as the positioning pins by workers.
Description
Technical Field
The invention relates to the technical field of axle housing machining, in particular to an axle housing milling surface drilling fixture.
Background
The axle housing is used for mounting the main speed reducer, the differential mechanism, the half axle and the wheel assembly matrix and mainly used for supporting and protecting the main speed reducer, the differential mechanism, the half axle and the like.
When the axle housing is machined and drilled, the axle housing needs to be clamped and fixed, the existing clamp is usually installed on the numerical control dividing head, the central holes at the two ends of the axle housing are positioned and clamped through the positioning pins and the screws, the clamping degree needs to be controlled manually, the positions of the main pin holes and the central holes are unstable, only one axle housing can be machined every day generally, and the clamping of workpieces and the replacement of varieties are difficult.
Disclosure of Invention
The invention aims to overcome the defects and the shortcomings in the prior art and provides a drilling fixture for milling faces of axle housings.
One embodiment of the present invention provides an axle housing face milling drilling jig, comprising: the device comprises a base, two screw rod mechanisms, a first guide rail and two clamping mechanisms, wherein the first guide rail and the two clamping mechanisms are arranged on the base; the screw rod mechanism comprises screw rods and nuts, the two screw rods are respectively arranged on the base and are positioned at two ends of the first guide rail, the axis of each screw rod is parallel to the first guide rail, and the nuts are slidably sleeved on the screw rods; the clamping mechanism comprises a supporting slide seat, a first clamping block, a second clamping block and a first driving oil cylinder, wherein the two supporting slide seats are respectively arranged on the two nuts, a sliding groove which is perpendicular to the first guide rail and extends is formed in the supporting slide seat, the first clamping block is arranged at the tail end of the sliding groove, the second clamping block can be arranged on the supporting slide seat in a sliding mode along the sliding groove, and the first driving oil cylinder is arranged on the supporting slide seat, and the output end of the first driving oil cylinder is fixedly connected with the second clamping block.
Compared with the prior art, the axle housing milling drilling fixture disclosed by the invention has the advantages that the two clamping mechanisms are driven by the oil cylinder to tightly clamp the plate spring seat of an axle housing workpiece, the quick clamping replacement can be realized without manually adjusting the fixing fixtures such as the positioning pins by workers, 4-5 axle housings can be processed from the original one-day processing of only one axle housing to the current one-day processing of only one axle housing, the production efficiency is greatly improved, and the clamping mechanism disclosed by the invention can adapt to different axle housing model sizes through the clamping blocks with adjustable left-right distances and the screw rod mechanism for adjusting the positions of the clamping blocks back and forth.
Further, the clamping mechanism further comprises a fixed clamping seat and a sliding clamping seat, the fixed clamping seat is fixedly arranged at the tail end of the sliding groove, the sliding clamping seat can be arranged on the supporting sliding seat in a sliding mode along the sliding groove, the first clamping block is detachably arranged on the fixed clamping seat, the second clamping block is detachably arranged on the sliding clamping seat, and the output end of the first driving oil cylinder is fixedly connected with the sliding clamping seat. Because the plate spring seat of axle housing work piece processes the shape differently, can adapt to the axle housing of various different models through quick replacement clamping piece.
Further, a first inclined surface is arranged on one surface of the first clamping block facing the second clamping block, and the first inclined surface is inclined towards the second clamping block; the second clamping block is provided with a second inclined surface on one surface facing the first clamping block, and the second inclined surface is inclined towards the first clamping block. Because the shape of the outer surface of the machined plate spring seat of the axle housing workpiece is uneven, in order to avoid vibration of the axle housing workpiece during drilling, an inclined surface is added to enable the inclined surface to prop against the uneven place when the clamping block is clamped, so that downward pressing force can be generated, the axle housing workpiece is further fastened, and integral vibration of the axle housing workpiece is avoided.
The auxiliary support mechanism comprises an auxiliary support seat, a second driving oil cylinder and a supporting rod, wherein the auxiliary support seat is slidably arranged on the guide rail, a vertical channel with an opening at the top of the auxiliary support seat is arranged in the auxiliary support seat, the second driving oil cylinder is fixedly arranged in the auxiliary support seat, the second driving oil cylinder is provided with a push rod connected with the output end of the second driving oil cylinder, the push rod transversely penetrates through the inner wall of the vertical channel and stretches into the vertical channel, the supporting rod is slidably arranged in the vertical channel in a penetrating mode, and one end of the supporting rod stretches out of the top of the auxiliary support seat; when the push rod stretches out, the tail end of the push rod is tightly propped against the side wall of the support rod. When the milling surface is drilled, the hemispherical shell opening surface of the axle housing workpiece faces to the horizontal direction, and the axle housing workpiece is provided with a horizontally extending structure, and the first auxiliary supporting mechanism is propped against the bottom of the horizontally extending structure, so that the vertical vibration of the structure can be avoided.
Further, the first auxiliary supporting mechanism further comprises a spring, wherein the spring is arranged in the vertical channel, one end of the spring abuts against the auxiliary supporting seat, and the other end of the spring abuts against the end face of the supporting rod. Because the horizontally extending structure positions on axle housing workpieces of different models are different, the support rods are kept in a mode of propping up the horizontally extending structure, so that workers can conveniently adjust the positions of the support rods, and the support rods are clamped and fixed through the oil cylinders after the positions of the support rods are correct.
Further, the three-jaw clamping mechanism also comprises a lute surface positioning mechanism, wherein the lute surface positioning mechanism comprises a lute surface positioning seat, a three-jaw chuck and a guide cover, the lute surface positioning seat is arranged on the base and positioned between the two clamping mechanisms, the three-jaw chuck is arranged at the top of the lute surface positioning seat, and the guide cover is arranged at the top of the three-jaw chuck. When the hemispherical shell opening surface of the axle housing workpiece faces to the vertical direction, the lute hole plane of the axle housing is positioned through the lute surface positioning seat, and at the moment, the main body part of the axle housing workpiece is covered on the lute surface positioning seat.
Further, the lute surface positioning mechanism further comprises a calibration ring, and the calibration ring is arranged at the top of the lute surface positioning seat in a mode of encircling the three-jaw chuck. The calibration ring can be used for rapidly determining the coordinates of the axle housing workpiece, so that the position can be conveniently confirmed when the plate spring seat is drilled.
Further, the lute surface positioning seat also comprises a second guide rail, wherein the second guide rail is arranged on the base and perpendicular to the first guide rail, and the lute surface positioning seat is slidably arranged on the second guide rail. The lute surface positioning seat before clamping the axle housing workpiece can move to the position easy to clamp, so that a narrow clamping space is avoided, and meanwhile, the accuracy of angular positioning of the rear axle housing workpiece is ensured.
Further, still include compressing tightly positioning mechanism, compressing tightly positioning mechanism includes location supporting seat, third actuating cylinder, guide holder and presses the arm, the location supporting seat sets up on the base and be located first guide rail one side, third actuating cylinder sets up on the location supporting seat and its output is flexible in vertical direction, the guide holder sets up on the location supporting seat, the middle part of pressing the arm can set up with rotating on vertical face on the guide holder, the one end of pressing the arm with the output of third actuating cylinder links to each other, the other end of pressing the arm is followed location supporting seat one side stretches out, works as when third actuating cylinder upwards stretches out, the other end of pressing the arm compresses tightly the work piece downwards. The axle housing workpiece is tightly pressed by means of the lever principle, and the clamping mechanism can avoid the axle housing workpiece when in loosening so as to be convenient for clamping, and the pressing arm tightly presses the workpiece when in clamping.
Further, the device also comprises a second auxiliary supporting mechanism, wherein the second auxiliary supporting mechanism comprises a fourth driving oil cylinder and a supporting block, the fourth driving oil cylinder is arranged on the base and is positioned below the other end of the pressing arm, the output end of the fourth driving oil cylinder stretches out and draws back in the vertical direction, the supporting block is arranged on the output end of the fourth driving oil cylinder, and when the fourth driving oil cylinder stretches out upwards, the supporting block upwards pushes up the workpiece. The clamping rigidity is improved, and vibration caused by too long cantilevers on two sides of the workpiece is avoided by the axle housing workpiece.
In order that the invention may be more clearly understood, specific embodiments thereof will be described below with reference to the accompanying drawings.
Drawings
FIG. 1 is a schematic structural view of an axle housing face milling drilling jig according to one embodiment of the present invention;
FIG. 2 is a cross-sectional view of the clamping mechanism of the axle housing milling drilling fixture shown in FIG. 1 in a vertical plane;
FIG. 3 is a schematic view of a clamping carriage of the clamping mechanism of FIG. 2;
FIG. 4 is a cross-sectional view of the first auxiliary support mechanism of the axle housing milling drilling jig shown in FIG. 1, in a vertical plane;
FIG. 5 is a cross-sectional view of the first auxiliary support mechanism of the axle housing milling drilling jig shown in FIG. 1, shown on another vertical plane;
FIG. 6 is a schematic structural view of a drilling fixture for milling a face of an axle housing according to another embodiment of the present invention;
fig. 7 is a schematic structural view of a lute surface positioning mechanism of the axle housing milling surface drilling fixture shown in fig. 6;
Fig. 8 is a schematic structural view of a hold-down positioning mechanism of the axle housing face milling boring grab shown in fig. 6.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.
Referring to fig. 1, a schematic structural diagram of an axle housing face milling drilling fixture according to an embodiment of the present invention includes: the device comprises a base 10, two screw mechanisms, a first guide rail 30 and two clamping mechanisms 40, wherein the first guide rail 30 and the two clamping mechanisms 40 are arranged on the base 10.
In this embodiment, the base 10 is plate-shaped, and an end supporting seat 11 for supporting the end of the axle housing is fixedly arranged on one side of the base 10, so that the axle housing workpiece is convenient to be clamped subsequently by providing a supporting point for the axle housing workpiece.
The screw rod mechanism comprises a screw rod 21 and a nut 22, wherein the screw rod 21 is respectively arranged on the base 10 and positioned at two ends of the first guide rail 30, the axis of the screw rod 21 is parallel to the first guide rail 30, and the nut 22 is slidably sleeved on the screw rod 21. In some embodiments, the screw support 23 is used to fix two ends of the screw 21, and the end of the screw 21 is further provided with a rotating handle 24, which is convenient for a worker to operate. In some embodiments, since the nut 22 is not easily connected to the clamping mechanism 40, a nut seat 221 fixedly connected to the nut 22 may be provided, and the nut seat 221 is connected to the clamping mechanism 40.
Referring to fig. 2, which is a cross-sectional view of a vertical surface of a clamping mechanism of the axle housing milling surface drilling fixture shown in fig. 1, the clamping mechanism 40 includes a supporting slide seat 41, a fixed clamping seat 42, a sliding clamping seat 43, a first clamping block 44, a second clamping block 45 and a first driving cylinder 46, two supporting slide seats 41 are respectively disposed on two nuts 22, a sliding groove extending perpendicular to the first guide rail 30 is disposed on the supporting slide seat 41, the fixed clamping seat 42 is fixedly disposed at the tail end of the sliding groove, the sliding clamping seat 43 is slidably disposed on the supporting slide seat 41 along the sliding groove, the first clamping block 44 is detachably disposed on the fixed clamping seat 42, the second clamping block 45 is detachably disposed on the sliding clamping seat 43, and an output end of the first driving cylinder 46 is fixedly connected with the sliding clamping seat 43, so that the first clamping block 44 and the second clamping block 45 on the fixed clamping seat 42 and the sliding clamping seat 43 can adapt to various axle housing models through quick replacement. Please refer to fig. 3, which is a schematic diagram of a clamping carriage of the clamping mechanism shown in fig. 2, in this embodiment, a sliding chute is formed by two strip plates 411 erected on a supporting carriage 41 in parallel, a sliding clamping seat 43 is erected above the strip plates 411, the bottom of the sliding clamping seat 43 extends into the sliding chute, the output end of a first driving oil cylinder 46 is fixedly connected with the sliding clamping seat 43 through an oil cylinder connector, and the first driving oil cylinder 46 pushes the bottom of the sliding clamping seat 43 to enable the sliding clamping seat 43 to slide along the sliding chute. Of course, in some embodiments, instead of the fixed clamping seat 42 and the sliding clamping seat 43, the first clamping block 44 may be directly disposed at the end of the sliding slot, the second clamping block 45 may be slidably disposed on the supporting sliding seat 41 along the sliding slot, and the first driving cylinder 46 may be disposed on the supporting sliding seat 41 and its output end may be fixedly connected to the second clamping block 45.
In some embodiments, a first inclined surface 441 is disposed on a surface of the first clamping block 44 facing the second clamping block 45, and the first inclined surface 441 is inclined toward the second clamping block 45; the second clamping block 45 is provided with a second inclined surface 451 on a surface facing the first clamping block 44, and the second inclined surface 451 is inclined toward the first clamping block 44, and in this embodiment, the first inclined surface 441 and the second inclined surface 451 are portions that are provided at positions near the bottoms of the first clamping block 44 and the second clamping block 45 so as to protrude downward at positions near the bottoms of the side surfaces of the hold-down plate spring seat. In some embodiments, serrations for increasing friction may also be provided on the first and second inclined surfaces 441, 451.
Referring to fig. 4 and 5, which are a cross-sectional view of a first auxiliary support mechanism of the axle housing milling drilling jig shown in fig. 1 on a vertical surface and a cross-sectional view of a first auxiliary support mechanism of the axle housing milling drilling jig shown in fig. 1 on another vertical surface, in some embodiments, the axle housing milling drilling jig further includes a first auxiliary support mechanism 50, the first auxiliary support mechanism 50 includes an auxiliary support seat 51, a support rod 52 and a second driving cylinder 53, the auxiliary support seat 51 is slidably disposed on the guide rail, in this embodiment, the auxiliary support seat 51 is disposed on the first guide rail 30 through a sliding seat 511, a vertical channel opened at a top of the auxiliary support seat 51 is disposed in the auxiliary support seat 51, the support rod 52 is slidably disposed in the vertical channel, one end of the support rod extends from a top of the auxiliary support seat 51, the second driving cylinder 53 is fixedly disposed in the auxiliary support seat 51, the second driving cylinder 53 is provided with a push rod 54 connected to an output end of the auxiliary support seat, and in this embodiment, the push rod is disposed in the horizontal channel by pushing the auxiliary support seat 51, and extends into the vertical channel by pushing the push rod 54, and the push rod is horizontally and then horizontally extends into the vertical channel. In some embodiments, the support rod 52 is further provided with a third inclined surface 521 inclined inwards, the end of the push rod 54 abuts against the third inclined surface 521, the push rod 54 generates an upward inclined force on the third inclined surface 521, the horizontal force pushes the support rod 52 against the inner wall of the vertical channel, the vertical force pushes the support rod 52 upwards, so that the top of the support rod 52 pushes against the axle housing workpiece, in order to prevent the support rod 52 from sliding out, a limiting groove 522 may be formed on the outer wall of the support rod 52, and a limiting screw 55 is disposed on the inner wall of the vertical channel of the auxiliary support seat 51 to limit the support rod 52 to slide within a certain range. Preferably, the first auxiliary supporting mechanism 50 further includes a spring 56, where the spring 56 is disposed in the vertical channel, and one end of the spring is abutted against the auxiliary supporting seat 51, and the other end is abutted against the end surface of the supporting rod 52, and since the top of the supporting rod 52 needs to be abutted against the axle housing workpiece during actual operation, the supporting rod 52 is abutted against by the oil cylinder, if the supporting rod 52 needs to be manually maintained in a correct position, and then the oil cylinder is started too troublesome, and by disposing the spring 56, the top of the supporting rod 52 always is abutted upward, so that the position of the supporting rod 52 does not need to be manually maintained. It should be noted that the auxiliary supporting mechanism may also be disposed on the clamping slide, where the auxiliary supporting seat 51 is fixedly disposed on the clamping slide, and then the auxiliary supporting seat 51 is driven to slide by sliding the clamping slide.
Referring to fig. 6 and 7, a schematic structural diagram of an axle housing face milling drilling jig according to another embodiment of the present invention and a schematic structural diagram of a lute face positioning mechanism of the axle housing face milling drilling jig shown in fig. 6 are shown. In some embodiments, the axle housing work piece clamping device further comprises a lute surface positioning mechanism 60, the lute surface positioning mechanism 60 comprises a lute surface positioning seat 61, a three-jaw chuck 62 and a guiding cover 63, the lute surface positioning seat 61 is arranged on the base 10 and is located between the two clamping mechanisms 40, the three-jaw chuck 62 is arranged at the top of the lute surface positioning seat 61, the guiding cover 63 is arranged at the top of the three-jaw chuck 62, the axle housing work piece passes through the guiding cover 63 and then is arranged on the lute surface positioning seat 61, and the three-jaw chuck 62 stretches out to clamp the axle housing work piece. Preferably, the lute surface positioning mechanism 60 further includes a calibration ring 64, the calibration ring 64 is disposed on top of the lute surface positioning seat 61 in a manner of surrounding the three-jaw chuck 62, the lute hole plane of the axle housing workpiece is in contact with the calibration ring 64, and the calibration ring 64 can quickly determine the coordinates of the axle housing workpiece, so that the position can be confirmed when drilling the plate spring seat. Preferably, the axle housing clamping device further comprises a second guide rail 65, the second guide rail 65 is arranged on the base 10 and is perpendicular to the first guide rail 30, the lute surface positioning seat 61 is slidably arranged on the second guide rail 65, before an axle housing workpiece is clamped by the clamping mechanism 40, the lute surface positioning seat 61 can be moved to a position where the axle housing workpiece is easy to clamp, a narrow clamping space is avoided, and meanwhile, the angular positioning accuracy of the rear axle housing workpiece can be ensured by moving the lute surface positioning seat 61. It should be noted that, when the second guide rail 65 is provided, the first guide rail 30 may be broken into two parts to form two first guide rails 30, or may be uninterrupted, where the first guide rail 30 and the second guide rail 65 form a cross guide rail, and at this time, since the lute surface positioning seat 61 is provided in the middle of the base 10, if the first auxiliary supporting mechanism 50 is provided, the first auxiliary supporting mechanism 50 may be removed or moved to a suitable position, and in this embodiment, the first guide rail 30 also forms two broken guide rails. Because the main dimension design standard of the axle housing product is the center of the lute hole and the lute surface, the lute surface positioning mechanism 60 is needed to position when the horizontal machining center is selected for machining.
Please refer to fig. 8, which is a schematic structural diagram of a compressing and positioning mechanism of the axle housing milling drilling fixture shown in fig. 6. In some embodiments, the pressing and positioning mechanism 70 further includes a positioning support seat 71, a third driving oil cylinder 72, a guide seat 73 and a pressing arm 74, the positioning support seat 71 is disposed on the base 10 and is located at one side of the first guide rail 30, the third driving oil cylinder 72 is disposed on the positioning support seat 71, an output end of the third driving oil cylinder stretches out and draws back in a vertical direction, the guide seat 73 is disposed on the positioning support seat 71, a middle part of the pressing arm 74 is rotatably disposed on the guide seat 73 on a vertical plane, one end of the pressing arm 74 is connected with the output end of the third driving oil cylinder 72, the other end of the pressing arm 74 extends out from one side of the positioning support seat 71, when the third driving oil cylinder 72 extends upward, the other end of the pressing arm 74 presses down on a workpiece, and one end of the pressing arm 74 is lifted by a lever principle so that the other end of the pressing arm 74 is lifted. In some embodiments, a pressing screw 75 or a pressing plate may be further disposed at the bottom of the other end of the pressing arm 74, and the axle housing workpiece is pressed against by the pressing screw 75 or the pressing plate. In some embodiments, a manual steering valve 76 is also provided on the positioning support base 71 to control the oil passage to the third drive cylinder 72.
In some embodiments, the device further comprises a second auxiliary supporting mechanism 80, the second auxiliary supporting mechanism 80 comprises a fourth driving oil cylinder 81 and a supporting block 82, the fourth driving oil cylinder 81 is arranged on the base 10 and located below the other end of the pressing arm 74, the output end of the fourth driving oil cylinder is telescopic in the vertical direction, the supporting block 82 is arranged on the output end of the fourth driving oil cylinder 81, and when the fourth driving oil cylinder 81 extends upwards, the supporting block 82 pushes up a workpiece. In this embodiment, the pressing and positioning mechanism 70 and the second auxiliary supporting mechanism 80 are disposed between the two clamping mechanisms 40, so as to avoid that the cantilevers at the two sides of the workpiece are too long, so that the middle suspending portion is too long to cause vibration during drilling, of course, the pressing and positioning mechanism 70 and the second auxiliary supporting mechanism 80 are determined according to the clamping position of the clamping mechanism 40, and if the cantilevers of the axle housing mechanism extend too far towards the outside of the clamping mechanism 40, the pressing and positioning mechanism 70 and the second auxiliary supporting mechanism 80 can be disposed at the outside of the two clamping mechanisms 40.
In some embodiments, a hydraulic system is also included and is coupled to each of the first drive ram 46, the second drive ram 53, the third drive ram 72, and the fourth drive ram 81.
The whole clamping process of the axle housing milling surface drilling clamp can enable workpieces to be smoothly installed without adjustment, is accurate and reliable in positioning, has good clamping rigidity and meets the requirement of mass production of the products.
Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (5)
1. Axle housing mills face boring grab, its characterized in that includes: the device comprises a base, two screw rod mechanisms, a first guide rail and two clamping mechanisms, wherein the first guide rail and the two clamping mechanisms are arranged on the base;
The screw rod mechanism comprises screw rods and nuts, the two screw rods are respectively arranged on the base and are positioned at two ends of the first guide rail, the axis of each screw rod is parallel to the first guide rail, and the nuts are slidably sleeved on the screw rods;
the clamping mechanism comprises a supporting slide seat, a first clamping block, a second clamping block and a first driving oil cylinder, wherein the two supporting slide seats are respectively arranged on the two nuts, a chute which extends perpendicular to the first guide rail is arranged on the supporting slide seat, the first clamping block is arranged at the tail end of the chute, the second clamping block can be arranged on the supporting slide seat in a sliding manner along the chute, and the first driving oil cylinder is arranged on the supporting slide seat and the output end of the first driving oil cylinder is fixedly connected with the second clamping block;
The auxiliary support mechanism comprises an auxiliary support seat, a second driving oil cylinder and a supporting rod, wherein the auxiliary support seat is slidably arranged on the guide rail, a vertical channel with an opening at the top of the auxiliary support seat is arranged in the auxiliary support seat, the second driving oil cylinder is fixedly arranged in the auxiliary support seat, the second driving oil cylinder is provided with a push rod connected with the output end of the second driving oil cylinder, the push rod transversely penetrates through the inner wall of the vertical channel and stretches into the vertical channel, the supporting rod is slidably arranged in the vertical channel in a penetrating manner, and one end of the supporting rod stretches out of the top of the auxiliary support seat; when the push rod stretches out, the tail end of the push rod is tightly propped against the side wall of the support rod;
the first auxiliary supporting mechanism further comprises a spring, wherein the spring is arranged in the vertical channel, one end of the spring is propped against the auxiliary supporting seat, and the other end of the spring is propped against the end face of the supporting rod;
the clamping mechanism further comprises a fixed clamping seat and a sliding clamping seat, the fixed clamping seat is fixedly arranged at the tail end of the sliding groove, the sliding clamping seat can be arranged on the supporting sliding seat in a sliding manner along the sliding groove, the first clamping block is detachably arranged on the fixed clamping seat, the second clamping block is detachably arranged on the sliding clamping seat, and the output end of the first driving oil cylinder is fixedly connected with the sliding clamping seat;
The device also comprises a lute surface positioning mechanism, wherein the lute surface positioning mechanism comprises a lute surface positioning seat, a three-jaw chuck and a guide cover, the lute surface positioning seat is arranged on the base and is positioned between the two clamping mechanisms, the three-jaw chuck is arranged at the top of the lute surface positioning seat, and the guide cover is arranged at the top of the three-jaw chuck;
The pressing and positioning mechanism comprises a positioning support seat, a third driving oil cylinder, a guide seat and a pressing arm, wherein the positioning support seat is arranged on the base and positioned on one side of the first guide rail, the third driving oil cylinder is arranged on the positioning support seat, the output end of the third driving oil cylinder stretches out and draws back in the vertical direction, the guide seat is arranged on the positioning support seat, the middle part of the pressing arm can be rotationally arranged on the guide seat on a vertical surface, one end of the pressing arm is connected with the output end of the third driving oil cylinder, the other end of the pressing arm extends out from one side of the positioning support seat, and when the third driving oil cylinder extends upwards, the other end of the pressing arm downwards presses a workpiece.
2. The axle housing face milling drilling jig of claim 1, wherein: a first inclined surface is arranged on one surface of the first clamping block facing the second clamping block, and the first inclined surface is inclined towards the second clamping block;
The second clamping block is provided with a second inclined surface on one surface facing the first clamping block, and the second inclined surface is inclined towards the first clamping block.
3. The axle housing face milling drilling jig of claim 1, wherein: the lute surface positioning mechanism further comprises a calibration ring, and the calibration ring is arranged at the top of the lute surface positioning seat in a mode of encircling the three-jaw chuck.
4. The axle housing face milling drilling jig of claim 1, wherein: the device also comprises a second guide rail which is arranged on the base and is perpendicular to the first guide rail, the lute surface positioning seat is slidably arranged on the second guide rail.
5. The axle housing face milling drilling jig of claim 1, wherein: the device comprises a base, a pressing arm, a first auxiliary supporting mechanism, a second auxiliary supporting mechanism, a first supporting block, a second supporting block, a third supporting cylinder, a fourth driving cylinder and a workpiece, wherein the first auxiliary supporting mechanism comprises a first driving cylinder and a supporting block, the first driving cylinder is arranged on the base and is located below the other end of the pressing arm, the output end of the first driving cylinder stretches out and draws back in the vertical direction, the supporting block is arranged on the output end of the first driving cylinder, and when the first driving cylinder stretches out upwards, the supporting block upwards pushes against the workpiece.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085721.6A CN110883582B (en) | 2019-11-08 | 2019-11-08 | A bridge housing milling surface drilling fixture |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911085721.6A CN110883582B (en) | 2019-11-08 | 2019-11-08 | A bridge housing milling surface drilling fixture |
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| CN111376092A (en) * | 2020-04-28 | 2020-07-07 | 常州钜苓铸造有限公司 | Frock clamp of multi-process processing of speed reducer shell part |
| CN111774906A (en) * | 2020-07-09 | 2020-10-16 | 横店集团英洛华电气有限公司 | Workpiece positioning self-rotation mechanism |
| CN115722980B (en) * | 2022-12-31 | 2025-09-30 | 保定向阳航空精密机械有限公司 | A flexible automatic indexing tool |
| CN115922220B (en) * | 2023-03-02 | 2023-05-05 | 山东国基泰祥汽车部件有限公司 | Electric axle processing, fixing, clamping and fine-tuning seat |
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| CN104493583A (en) * | 2014-12-01 | 2015-04-08 | 郑州精益达汽车零部件有限公司 | Horizontal machining center tool for processing upper thrust lever seat of coach axle housing |
| CN206263644U (en) * | 2016-12-09 | 2017-06-20 | 江苏沃得机电集团有限公司 | Crankshaft center hole processing clamp |
| CN210938260U (en) * | 2019-11-08 | 2020-07-07 | 广东富华重工制造有限公司 | An axle housing milling surface drilling fixture |
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| KR101440994B1 (en) * | 2013-04-16 | 2014-09-17 | 티아이씨(주) | Welding jig for front axle housing assemble |
| CN104646703B (en) * | 2015-01-28 | 2017-05-31 | 宁波海天精工股份有限公司 | One kind processing heavy truck axle shell clamping fixer |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104493583A (en) * | 2014-12-01 | 2015-04-08 | 郑州精益达汽车零部件有限公司 | Horizontal machining center tool for processing upper thrust lever seat of coach axle housing |
| CN206263644U (en) * | 2016-12-09 | 2017-06-20 | 江苏沃得机电集团有限公司 | Crankshaft center hole processing clamp |
| CN210938260U (en) * | 2019-11-08 | 2020-07-07 | 广东富华重工制造有限公司 | An axle housing milling surface drilling fixture |
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