CN201913489U - Clamp system for connection and processing of pump wheel assembly - Google Patents
Clamp system for connection and processing of pump wheel assembly Download PDFInfo
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- CN201913489U CN201913489U CN2010205661686U CN201020566168U CN201913489U CN 201913489 U CN201913489 U CN 201913489U CN 2010205661686 U CN2010205661686 U CN 2010205661686U CN 201020566168 U CN201020566168 U CN 201020566168U CN 201913489 U CN201913489 U CN 201913489U
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Abstract
The utility model relates to a clamp system for connection and processing of a pump wheel assembly and belongs to the technical field of manufacturing and processing of a hydraulic torque converter. The clamp system mainly comprises a connection plate, a push rod, a jaw, a gripper jaw, a positioning shaft, an elastic compressing part, a positioning compressing shaft sleeve, a connection rod and the like. The clamp system has the characteristics of high positioning accuracy, capability of ensuring the requirement of the product on high precision processing, low cost and the like, is convenient to use, is convenient for popularization and application, is suitable for batch production and can be widely applied to connection processing such as welding, cementation or riveting and the like between a pump wheel sub-assembly of the hydraulic torque converter and a pump wheel shaft sleeve, between a pump wheel shell and the pump wheel shaft sleeve, between a shell and a normal axis and between shafts.
Description
One, technical field
The utility model belongs to fluid torque-converter and makes processing technique field, and the pump impeller assembly that is specifically related to fluid torque-converter connects the structure of processing and loading clamp system.
Two, background technology
Fluid torque-converter is with the good adaptive performance, improve trafficability and good low-speed stability, the advantages such as comfortableness that improve driver and occupant by main engine plants (as automobile, engineering machinery, fork truck manufactory etc.) adopt, because the manufacturing process technology content height of fluid torque-converter, relate to punching press, welding, machine adds, multinomial technology such as assembling, manufacture difficulty is big, again because the fluid torque-converter early investment is big, profit is low, at present domestic development and application to it also seldom, so the exploitation manufacturing of fluid torque-converter is to promoting Domestic Automotive Industry, the development of transmission industry has important role.The difficult problem that the manufacturing processing of fluid torque-converter need solve precision and two aspects of cost simultaneously should satisfy the required precision of product design, controls processing cost again.
In fluid torque-converter manufacturing processing, the welding quality of pump impeller assembly comprises weld seam physical dimension and spatial distribution, postwelding product form and position tolerance and three staples such as dimensional accuracy, weld properties.The precision that wherein guarantees product is a difficult problem always.The welding procedure of the pump impeller assembly of present fluid torque-converter, be to adopt traditional clamping structure, as scroll chuck and cover dish class frock, earlier behind the welding pump impeller assembly, reprocessing pump impeller sleeve outer circle, to guarantee the circulate circle requirement of beating, the major defect of this technology is: 1. existing frock centering precision is not enough, and the concentricity of frock and work piece does not reach requirement; 2. clamping force is wayward, causes workpiece deformation, can not satisfy the required precision of pump impeller assembly, can't guarantee product quality; 3. clamping workpiece uses inconvenience, and production efficiency is low, is not suitable for processing in enormous quantities; 4. extra increase by one procedure, increased manufacturing cost, improved on the pump impeller assembly technical difficulty of processing pump impeller axle sleeve.
Three, summary of the invention
The purpose of this utility model is the weak point that connects the processing and loading clamp tool at the pump impeller assembly of existing fluid torque-converter, provide a kind of pump impeller assembly to connect the clamping tool system of processing, weld or gluing or riveted joint etc. behind the accurate location for housing and flange shaft or axle class and axle class, once finish the connection processing technology of pump impeller assembly, reduce work hours, reduce cost, the practicality height, can accurately locate the processing junction (being housing and flange shaft or axle class and axle class etc.) of pump impeller assembly, can guarantee that it connects the required precision of processing, actual production has important practical value to fluid torque-converter in this system, also has certain generality simultaneously.
Operation principle of the present utility model: push rod of the present utility model links to each other with device driver to produce thrust Q, with mounting and clamping systems of formation (being referred to as the pump impeller mounting and clamping system) such as claw, gripper jaw, locating shafts; The location compresses axle sleeve and links to each other with device driver to produce thrust P, forms another mounting and clamping system (being referred to as the axle sleeve mounting and clamping system) with elastic pressed piece.
Wherein to compress cooperating of axle sleeve endoporus be little matched in clearance to the locating shaft cylindrical with the location; Locating shaft and processed axle part (being the pump impeller axle sleeve) are matched in clearance; Processed housing component (being pump impeller sub-unit or pump impeller shell) and processed axle part (being the pump impeller axle sleeve) cooperating for certain interval.
Under off working state, the clamping slightly larger in diameter of gripper jaw is in processed housing component (being pump impeller sub-unit or pump impeller shell) diameter, and thrust P is 0, and thrust Q is not 0 and maximum; During work, it is maximum that the P value reaches gradually, and the clamping diameter of gripper jaw dwindles gradually until clamping processed housing component (being pump impeller sub-unit or pump impeller shell) cylindrical, and the Q value is kept to 0 gradually.Concrete operation principle is as follows:
Before after the location that elastic pressed piece is installed compresses axle sleeve and processed axle part (being the pump impeller axle sleeve) forms high-precision the cooperation, compressing processed housing component (being pump impeller sub-unit or pump impeller shell) cylindrical in location: the thrust P process that the thrust direction increases vertically, thrust Q clamping force direction vertically reduces, claw recovered part elasticity, impel gripper jaw radially clamping direction move processed housing component (being pump impeller sub-unit or pump impeller shell) the coarse positioning task of finishing.
Clamp: thrust P thrust direction vertically increases to maximum, the location compresses axle sleeve and realizes clamping processed axle part (being the pump impeller axle sleeve) by compressing processed housing component (being pump impeller sub-unit or pump impeller shell), this moment, thrust Q axial clamping force direction was kept to 0, claw elasticity is recovered, and impels gripper jaw to clamp processed housing component (being pump impeller sub-unit or pump impeller shell) cylindrical.
The technical scheme that realizes the utility model purpose is: a kind of pump impeller assembly connects the clamping tool system of processing, comprises that mainly terminal pad, push rod, claw, locating shaft, elastic pressed piece, location compress axle sleeve, connecting rod etc.
Described terminal pad is that top is in the form of annular discs, the bottom is revolving body round table-like, that the axis place is stepped hole, and its material is carbon constructional quality steel or steel alloy (as 20 steel or 35 steel or 45 steel or 20CrMo or 35Cr or 40Cr).The external diameter of terminal pad top disk is that 200mm～400mm, thickness are 20mm～50mm, the external diameter of terminal pad bottom round platform is that 160～360mm, thickness are 40mm～130mm, on terminal pad and the circumferential edge place that is positioned at the bottom round platform 4～10 countersunk head tapped through holes evenly are set, by these countersunk head tapped through holes terminal pad is fixed on the aforesaid special equipment.The bottom of axis is provided with a bellmouth along axis direction in the round platform of terminal pad bottom, and the tapering coupling of the size dimension of this bellmouth and the taper spindle of aforesaid special equipment is in order to be positioned at terminal pad on the taper spindle of aforesaid special equipment.Axis place in the round platform of terminal pad bottom and be positioned at described bellmouth above an inward recess is set, the size of this inward recess and the outer lug boss of push rod coupling is in order to the installing push rod and limit the moving displacement of push rod.Axis place in the disk of terminal pad top is provided with an inward recess along axis direction, the size of this inward recess and the disk of claw are complementary, and 6～20 tapped through holes are set evenly on the circumferential edge of this inward recess, in order to affixed claw, and at described inward recess lower edge, terminal pad top axis direction one internal diameter to be set be that 140mm～320mm, length are the hole of 10mm～40mm, disturb in order to avoid terminal pad that claw is produced, guarantee the positioning clamping precision of the gripper jaw on the claw.On terminal pad and be positioned at the circumferential edge place of bottom round platform and with aforesaid 4～10 tapped through holes dislocation ground 4～10 tapped through holes be set evenly, the screw thread by these screwed holes and 4～10 connecting rod hypomeres is fixed in 4～10 connecting rods on the terminal pad.
Described push rod for have outward boss, in the cylinder of tapped through hole is arranged, its material is carbon constructional quality steel or carbon tool steel (20 steel or 35 steel or 45 steel or T8 or T10A), the external diameter of push rod is that 60mm～180mm, length are 50mm～130mm.Arranged outside one external diameter at push rod middle part is that 60mm～120mm, thickness are the outer lug boss of 5mm～30mm, and push rod is placed in the inward recess in the aforesaid terminal pad by this outer lug boss, and is positioned at the lower surface of claw axis.At the axis place of push rod and be positioned at described outer lug boss bottom one round platform is set, the size of this round platform is complementary with the hole that driving shaft cooperated of aforesaid special equipment, with guarantee round platform can be smoothly endoporus by aforesaid special equipment, avoid push rod and aforesaid special equipment to interfere and reduce or lose the positioning clamping precision of the gripper jaw on the claw.Axis place in push rod is provided with a tapped through hole along axis direction, and the external screw thread of the size of this tapped through hole and the driving shaft of aforesaid special equipment is affixed.Push rod produces thrust Q under the effect of described special equipment driving mechanism, form a pump impeller mounting and clamping system with the claw of aforementioned terminal pad upper surface and the gripper jaw of claw upper end and the locating shaft of connecting rod upper surface.
Described claw is that the bottom is in the form of annular discs, top is the elastomeric element of aduncate finger jaws, the material of claw is spring steel or carbon tool steel (as 65Mn or T10A), the external diameter of claw bottom disc is that 180mm～380mm, thickness are 4～12mm, on the circumferential edge of claw bottom disc and corresponding to 6～20 tapped through hole places of described terminal pad top inward recess disc circumference, 6～20 countersunk head through holes evenly are set, by these through holes and 6～20 screws claw are fixed in the inward recess of upper end of described terminal pad.Screwed hole at 4～10 affixed connecting rods on the circumferential edge of claw bottom disc and on for described terminal pad evenly is provided with 4～10 through holes, so that connecting rod passes.On the claw bottom disc and between the through hole that 6～20 countersunk head through holes and 4～10 connecting rods pass, evenly distribute 4～18 aduncate finger jaws also are set accordingly, the height of finger jaws is 40mm～100mm, upper end edge horizontal direction in each finger jaws is provided with a square groove, in order to affixed gripper jaw.Described gripper jaw is 4～18, end at each gripper jaw is provided with a cuboid, the square groove of this cuboid and described claw is complementary, and the other end of each gripper jaw is provided with an arc surface, and the diameter of this circular arc and processed housing component (being pump impeller sub-unit or pump impeller shell) external diameter is complementary.The material of gripper jaw is carbon constructional quality steel (20 steel or 35 steel or 45 steel), in the middle of the arc surface of each gripper jaw 1～4 counter sink is set, and is used to pass screw and fixes this gripper jaw.
Described connecting rod is that 4～10 upper ends have outer lug boss, the threaded cylindrical bar in lower end.The material of connecting rod is carbon constructional quality steel or carbon tool steel (as 30 steel or 35 steel or T10A), and the external diameter of every connecting rod is that 20mm～40mm, length are 80mm～120mm.At 1/4～1/3 section screw rod that is provided with screw thread and forms in the bottom of every connecting rod, so that affixed with described terminal pad.1/5～1/4 section external diameter being set all on the top, the end of every connecting rod is that 20mm～40mm, thickness are the outer lug boss of 5mm～25mm, in order to support locating shaft, axis place on the top of every connecting rod all is provided with a tapped blind hole along axis direction, and the degree of depth of this tapped blind hole and the length of screw coupling are in order to affixed locating shaft.
Described locating shaft is that the bottom is disk, middle part and is the platform shape cylinder that round platform, top are cylindrical bar, and the material of locating shaft is carbon constructional quality steel (as 20 steel or 35 steel or 45 steel).The external diameter of locating shaft bottom disc is that 140mm～280mm, thickness are 10mm～30mm, on the circumferential edge of its disk and corresponding to the screwed hole place on described connecting rod top, 4～10 counter sinks are set evenly, by these counter sinks and 4～10 screws that locating shaft and connecting rod is affixed.The external diameter of locating shaft middle part round platform is that 60mm～120mm, thickness are 20mm～60mm, and processed axle part (being the pump impeller axle sleeve) is placed on the described round platform and is sleeved on the cylindrical bar on locating shaft top.The axial center hole coupling of the external diameter of locating shaft top cylindrical bar and processed axle part (being the pump impeller axle sleeve), its length is 20mm～80mm.
Described location compresses axle sleeve for being distributed with the cylinder of 3～6 support arms outward, and its material is carbon constructional quality steel (as 45 steel or 35 steel).The external diameter that the location compresses axle sleeve is that 80～220mm, length are 60mm～130mm.Axis place in the location compresses axle sleeve is provided with a step through-hole along axis direction, the external diameter coupling of the cylindrical bar on the internal diameter of its top through hole and described locating shaft top, the external diameter of the internal diameter of its underpart through hole and processed axle part (pump impeller axle sleeve) is complementary, and the location compression axis is sleeved on the top cylindrical bar of described locating shaft.The bottom outside that compresses axle sleeve in the location 3～6 length that evenly distribute are 40mm～90mm, widely are the support arm of 25mm～50mm, the thick 12～40mm of being, so that workpiece to be machined (being the pump impeller assembly) connects processing (i.e. welding or gluing or riveted joint etc.), in the outer end of each support arm one stepped hole is set, elastic pressed piece is installed in this stepped hole, and the housing (being pump impeller sub-unit or pump impeller shell) of work piece is compressed the location.The main shaft endoporus of location compression axis cover top external diameter and aforesaid special equipment is complementary, and at the arranged outside one indent groove of this external diameter, affixed by the main shaft of this groove and screw and aforesaid special equipment.Aforesaid special equipment main shaft effect under, drive the location and compress axle sleeve and produce thrust P, form an axle sleeve mounting and clamping system with elastic pressed piece.
Described elastic pressed piece is 3～6, form by nut, spring, compression axis, compression axis is that the bottom is a screw rod spherical, top cover nut, spring is a cylindroid helical-coil compression spring, be installed in compression axis bottom spheroid above, the other end of the spring described location of packing into compresses in the axle sleeve stepped hole, by nut and compression axis the spring compression is compressed processed housing component (being pump impeller sub-unit or pump impeller shell), so that to welding or glued joint or the connection of riveting is processed in its junction.
When processed housing component (pump impeller sub-unit or pump impeller shell) being dish class part with the utility model, axis along dish class part is established a through hole, this clear size of opening and processed axle part (being the pump impeller axle sleeve) step axle are complementary, form 0.05mm～0.5mm matched in clearance, and be connected to form the junction of workpiece to be machined by processed axle part (being the pump impeller axle sleeve) (described processed axle part (being the pump impeller axle sleeve) is a revolving body) step axial end and processed housing component (pump impeller sub-unit or pump impeller shell) described endoporus lower surface.
Behind the new employing of this practicality such scheme, mainly contain following effect:
1, positioning accuracy height.Native system makes processed housing component (pump impeller sub-unit or pump impeller shell) and processed axle part (being the pump impeller axle sleeve) precision centering to reach the product accuracy of form and position requirement that is connected after processing by the positioning accuracy that improves self, reduced the requirement on machining accuracy of single part, thereby reduced manufacturing cost, guaranteed the crudy of product and helped batch process.
2, adopt the elastic compression structure well to realize the small end face positioning requirements of processed housing component (pump impeller sub-unit or pump impeller shell) and processed axle part (being the pump impeller axle sleeve), thereby further guaranteed the requirement of product orientation precision, further guaranteed the crudy of product.
3, use the soft locate mode of claw, expansion screw to realize reducing processed housing component (pump impeller sub-unit or pump impeller shell) because of the inconsistent position error that produces of location dimension value, thereby further guaranteed the requirement of positioning accuracy again, further guaranteed the crudy of product again.
4, native system utilizes push rod to produce thrust Q and location compression axis under the effect of aforesaid special equipment driving mechanism to be enclosed within the device driver effect and to produce thrust P, workpiece to be machined is compressed under the condition of location to process.Thereby can guarantee the concentricity of fixture system and work piece, can guarantee that work piece is indeformable, and then guarantee the machining high-precision requirement of product.
5, the utility model is easy to use, and can use repeatedly, and use cost is low, after the work piece clamping is good, once finishes processing, easy to utilize and batch machining.
The pump impeller sub-unit that the utility model can be widely used in fluid torque-converter is connected processing with flange shaft, axle class with welding, gluing or the riveted joint etc. of axle class with pump impeller axle sleeve, housing with pump impeller axle sleeve, pump impeller shell; Also be applied to thin-wall part and be connected the situation that the localization part of processing rear axle is not processed or process less with the axle class; Small end face location and clamping force application point be the situation in the small end face scope not.
Four, description of drawings
Fig. 1 is a structural representation of the present utility model;
Fig. 2 is the partial enlarged drawing of A among Fig. 1;
Fig. 3 is the claw of embodiment 1 and the installation diagram of gripper jaw;
Fig. 4 is the vertical view of location clamping sleeve among the embodiment 1.
Among the figure: the 1-terminal pad; The 2-claw; The 3-gripper jaw; The 4-locating shaft; The processed axle of 5-part (being the pump impeller axle sleeve); The processed housing component of 6-(pump impeller sub-unit or pump impeller shell); The 7-elastic pressed piece; The 8-location compresses axle sleeve; The 9-connecting rod; The 10-push rod; The P-thrust; Q-thrust.
Five, the specific embodiment
Below in conjunction with the specific embodiment, further specify the utility model.
Embodiment 1
Shown in Fig. 1～4, a kind of pump impeller assembly connects the clamping tool system of processing, comprises that mainly terminal pad 1, push rod 10, claw 2, locating shaft 4, elastic pressed piece 7, location compress axle sleeve 8, connecting rod 9 etc.
Described terminal pad 1 is in the form of annular discs for top, the bottom is revolving body round table-like, that the axis place is stepped hole, and its material is 45 steel.The external diameter of terminal pad 1 top disk is that 350mm, thickness are 30mm, the external diameter of terminal pad 1 bottom round platform is that 200mm, thickness are 50mm, on terminal pad 1 and the circumferential edge place that is positioned at the bottom round platform 5 countersunk head tapped through holes evenly are set, by these countersunk head tapped through holes terminal pad 1 is fixed on the aforesaid special equipment.The bottom of axis is provided with a bellmouth along axis direction in terminal pad 1 bottom round platform, and the tapering coupling of the size dimension of this bellmouth and the taper spindle of aforesaid special equipment is in order to be positioned at terminal pad 1 on the taper spindle of aforesaid special equipment.Axis place in terminal pad 1 bottom round platform and be positioned at described bellmouth above an inward recess is set, the outer lug boss of the size of this inward recess and push rod 10 coupling is in order to installing push rod 10 and limit the moving displacement of push rod 10.Axis place in terminal pad 1 top disk is provided with an inward recess along axis direction, the disk of the size of this inward recess and claw 2 is complementary, and 8 tapped through holes are set evenly on the circumferential edge of this inward recess, in order to affixed claw 2, and at described inward recess lower edge, terminal pad 1 top axis direction one internal diameter to be set be that 150mm, length are the hole of 20mm, disturb in order to avoid 1 pair of claw of terminal pad 2 to produce, guarantee the positioning clamping precision of the gripper jaw 3 on the claw 2.On terminal pad 1 and be positioned at the circumferential edge place of bottom round platform and with aforesaid 5 tapped through holes dislocation ground 5 tapped through holes be set evenly, the screw thread by these screwed holes and 5 connecting rod 9 hypomeres is fixed in 5 connecting rods 9 on the terminal pad 1.
Described push rod 10 for have outward boss, in the cylinder of tapped through hole is arranged, its material is 45 steel, the external diameter of push rod 10 is that 116mm, length dimension are 70mm.Arranged outside one external diameter at push rod 10 middle parts is 116mm, thickly is the outer lug boss of 10mm, and push rod 10 is placed in the inward recess in the aforesaid terminal pad 1 by this outer lug boss, and is positioned at the lower surface of claw 2 axis.At the axis place of push rod 10 and be positioned at described outer lug boss bottom one round platform is set, the size of this round platform is complementary with the hole that driving shaft cooperated of aforesaid special equipment, with guarantee round platform can be smoothly endoporus by aforesaid special equipment, avoid push rod 10 and aforesaid special equipment to interfere and reduce or lose the positioning clamping precision of the gripper jaw 3 on the claw 2.Axis place in push rod 10 is provided with a tapped through hole along axis direction, and the external screw thread of the size of this tapped through hole and the driving shaft of aforesaid special equipment is affixed.Push rod 10 produces thrust Q under the effect of aforesaid special equipment driving mechanism, form a pump impeller mounting and clamping system with the claw 2 of aforementioned terminal pad 1 upper surface and the gripper jaw 3 of claw 2 upper ends and the locating shaft 4 of connecting rod 9 upper surfaces.
Described claw 2 is that the bottom is in the form of annular discs, top is the elastomeric element of aduncate finger jaws, the material of claw 2 is 65Mn, the external diameter of claw 2 bottom discs is that 320mm, thickness are 8mm, on the circumferential edge of claw 2 bottom discs and corresponding to 8 tapped through hole places of described terminal pad 1 top inward recess disc circumference, 8 countersunk head through holes evenly are set, by these through holes and 8 screws claw 2 are fixed in the inward recess of upper end of described terminal pad 1.Screwed hole at 5 affixed connecting rods 9 on the circumferential edge of claw 2 bottom discs and on for described terminal pad 1 evenly is provided with 5 through holes, so that connecting rod 9 passes.On claw 2 bottom discs and between the through hole that 8 countersunk head through holes and 5 connecting rods 9 pass, evenly distribute 12 aduncate finger jaws also are set accordingly, the height of finger jaws is 60mm, in the upper end edge horizontal direction of each finger jaws one square groove is set, in order to affixed gripper jaw 3.Described gripper jaw 3 is 12, end at each gripper jaw 3 is provided with a cuboid, the square groove of this cuboid and described claw 2 is complementary, the other end of each gripper jaw 3 is provided with an arc surface, and the diameter of this circular arc and processed housing component (being pump impeller sub-unit or pump impeller shell) 6 external diameters are complementary.The material of gripper jaw 3 is 45 steel, in the middle of the arc surface of each gripper jaw 32 counter sinks is set, and is used to pass screw and fixes this gripper jaw 3.
Described connecting rod 9 is that 5 upper ends have outer lug boss, the threaded cylindrical bar in lower end.The material of connecting rod 9 is 35 steel, and the external diameter of every connecting rod 9 is that 30mm, length are 100mm.At the 7/24 section screw rod that is provided with screw thread and forms in the bottom of every connecting rod 9, so that affixed with described terminal pad 1.9/40 section external diameter being set all on the top, the end of every connecting rod 9 is that 30mm, thickness are the outer lug boss of 15mm, in order to support locating shaft 4, axis place on the top of every connecting rod 9 all is provided with a tapped blind hole along axis direction, and the degree of depth of this tapped blind hole and the length of screw coupling are in order to affixed locating shaft 4.
Described locating shaft 4 is the platform shape cylinder that round platform, top are cylindrical bar for the bottom is disk, middle part, and the material of locating shaft 4 is 45 steel.The external diameter of locating shaft 4 bottom discs is that 190mm, thickness are 20mm, on the circumferential edge of its disk and corresponding to the screwed hole place on described connecting rod 9 tops 5 counter sinks is set evenly, and is by these counter sinks and 5 screws that locating shaft 4 and connecting rod 9 is affixed.The external diameter of locating shaft 4 middle part round platforms is that 90mm, thickness are 40mm, and processed axle part (being the pump impeller axle sleeve) 5 is placed on the described round platform and is sleeved on the cylindrical bar on locating shaft 4 tops.The axial center hole coupling of the external diameter of locating shaft 4 top cylindrical bars and processed axle part (being the pump impeller axle sleeve) 5, its length is 25mm.
Described location compresses axle sleeve 8 for being distributed with the cylinder of 3 support arms outward, and its material is 45 steel.The external diameter that the location compresses axle sleeve 8 is that 100mm, length are 80mm.Axis place in the location compresses axle sleeve 8 is provided with a step through-hole along axis direction, the external diameter coupling of the cylindrical bar on the internal diameter of its top through hole and described locating shaft 4 tops, the external diameter of the internal diameter of its underpart through hole and processed axle part (pump impeller axle sleeve) is complementary, and the location compresses on the top cylindrical bar that axle sleeve 8 is contained in described locating shaft 4.The bottom outside that compresses axle sleeve 8 in the location evenly distribute 3 length be 60mm, wide for 30mm, thickly be the support arm of 20mm, so that workpiece to be machined (being the pump impeller assembly) connects processing (i.e. welding or gluing or riveted joint etc.), in the outer end of each support arm one stepped hole is set, elastic pressed piece 7 is installed in this stepped hole, and the housing (being pump impeller sub-unit or pump impeller shell) of work piece is compressed the location.The main shaft endoporus that the location compresses axle sleeve 8 top external diameters and aforesaid special equipment is complementary, and at the arranged outside one indent groove of this external diameter, affixed by the main shaft of this groove and screw and aforesaid special equipment.Aforesaid special equipment main shaft effect under, drive the location and compress axle sleeve 8 and produce thrust P, form an axle sleeve mounting and clamping system with elastic pressed piece 7.
Described elastic pressed piece 7 is 3, form by nut, spring, compression axis, compression axis is that the bottom is a screw rod spherical, top cover nut, spring is a cylindroid helical-coil compression spring, be installed in compression axis bottom spheroid above, the other end of the spring described location of packing into compresses in axle sleeve 8 stepped holes, by nut and compression axis the spring compression is compressed processed housing component (being pump impeller sub-unit or pump impeller shell), so that to welding or glued joint or the connection of riveting is processed in its junction.
Processed housing component (pump impeller sub-unit) is dish class part, establish a through hole along processed housing component (pump impeller sub-unit) axis, this clear size of opening and processed axle part (being the pump impeller axle sleeve) 5 step axles are complementary, form the 0.3mm matched in clearance, and be connected to form the junction of workpiece to be machined by processed axle part (being the pump impeller axle sleeve) 5 (described processed axle part (being the pump impeller axle sleeve) 5 is revolving body) step axial end and the described endoporus of processed housing component (pump impeller sub-unit) lower surface.
A kind of pump impeller assembly connects the clamping tool system of processing, and with embodiment 1, wherein: the material of terminal pad 1 is that 35 steel, outside diameter are that 200mm, length are 20mm; The outside diameter of push rod 10 is that 60mm, length dimension are 50mm; The outside diameter of claw 2 is that 180mm, length are 5mm; The material of connecting rod 9 is 30 steel; The outside diameter of the bottom disc of locating shaft 4 is 140mm, length 25mm; The outside diameter that the location compresses axle sleeve 8 is that 80mm, length are 60mm.
A kind of pump impeller assembly connects the clamping tool system of processing, and with embodiment 1, wherein: the outside diameter of terminal pad 1 is that 400mm, length are 50mm; The outside diameter of push rod 10 is that 180mm, length dimension are 130mm; The outside diameter of locating shaft 4 is 280mm, length 150mm; The outside diameter that the location compresses the bottom disc of axle sleeve 8 is that 220mm, length are 130mm.
Claims (4)
1. a pump impeller assembly connects the clamping tool system that processes, it is characterized in that described that mounting and clamping system comprises that mainly terminal pad (1), push rod (10), claw (2), locating shaft (4), elastic pressed piece (7), location compress axle sleeve (8), connecting rod (9), described terminal pad (1) is in the form of annular discs for top, the bottom is revolving body round table-like, that the axis place is stepped hole, its material is carbon constructional quality steel or steel alloy, i.e. 20 steel or 35 steel or 45 steel or 20CrMo or 35Cr or 40Cr; The external diameter of terminal pad (1) top disk is that 200mm～400mm, thickness are 20mm～50mm, the external diameter of terminal pad (1) bottom round platform is that 160～360mm, thickness are 40mm～130mm, go up and the circumferential edge place that is positioned at the bottom round platform evenly is provided with 4～10 countersunk head tapped through holes at terminal pad (1), terminal pad (1) is fixed on the aforesaid special equipment by these countersunk head tapped through holes; The bottom of axis is provided with a bellmouth along axis direction in the round platform of terminal pad (1) bottom, the tapering coupling of the size dimension of this bellmouth and the taper spindle of aforesaid special equipment; Axis place in the round platform of terminal pad (1) bottom and the top that is positioned at described bellmouth are provided with an inward recess, the outer lug boss coupling of the size of this inward recess and push rod (10); Axis place in the disk of terminal pad (1) top is provided with an inward recess along axis direction, the disk of the size of this inward recess and claw (2) is complementary, and 6～20 tapped through holes evenly are set on the circumferential edge of this inward recess, and at described inward recess lower edge, terminal pad (1) top axis direction one internal diameter to be set be that 140mm～320mm, length are the hole of 10mm～40mm; Go up and be positioned at the circumferential edge place of bottom round platform and with aforesaid 4～10 tapped through holes dislocation ground 4～10 tapped through holes be set evenly at terminal pad (1), the screw thread by these screwed holes and 4～10 connecting rods (9) hypomere is fixed in 4～10 connecting rods (9) on the terminal pad (1);
Described push rod (10) for have outward boss, in the cylinder of tapped through hole is arranged, its material is carbon constructional quality steel or carbon tool steel, i.e. 20 steel or 35 steel or 45 steel or T8 or T10A, the external diameter of push rod (10) is that 60mm～180mm, length are 50mm～130mm; Arranged outside one external diameter at push rod (10) middle part is that 60mm～120mm, thickness are the outer lug boss of 5mm～30mm, and push rod (10) is placed in the interior inward recess of aforesaid terminal pad (1) by this outer lug boss, and is positioned at the lower surface of claw (2) axis; At the axis place of push rod (10) and be positioned at described outer lug boss bottom one round platform is set, the size of this round platform is complementary with the hole that driving shaft cooperated of aforesaid special equipment; Axis place in push rod (10) is provided with a tapped through hole along axis direction, and the external screw thread of the size of this tapped through hole and the driving shaft of aforesaid special equipment is affixed; Push rod (10) produces thrust Q under the effect of described special equipment driving mechanism, form a pump impeller mounting and clamping system with the claw (2) of aforementioned terminal pad (1) upper surface and the gripper jaw (3) of claw (2) upper end and the locating shaft (4) of connecting rod (9) upper surface;
Described claw (2) is that the bottom is in the form of annular discs, top is the elastomeric element of aduncate finger jaws, the material of claw (2) is spring steel or carbon tool steel, be 65Mn or T10A, the external diameter of claw (2) bottom disc is 180mm～380mm, thickness is 4～12mm, on the circumferential edge of claw (2) bottom disc and corresponding to 6～20 tapped through hole places of described terminal pad (1) top inward recess disc circumference, 6～20 countersunk head through holes evenly are set, by these through holes and 6～20 screws claw (2) are fixed in the inward recess of upper end of described terminal pad (1); On the circumferential edge of claw (2) bottom disc and for the screwed hole of last 4～10 the affixed connecting rods of described terminal pad (1) (9), 4～10 through holes evenly are set, so that connecting rod (9) passes; On claw (2) bottom disc and be positioned between the through hole that 6～20 countersunk head through holes and 4～10 connecting rods (9) pass, evenly distribute 4～18 aduncate finger jaws also are set accordingly, the height of finger jaws is 40mm～100mm, upper end edge horizontal direction in each finger jaws is provided with a square groove, in order to affixed gripper jaw (3); Described gripper jaw (3) is 4～18, end at each gripper jaw (3) is provided with a cuboid, the square groove of this cuboid and described claw (2) is complementary, the other end of each gripper jaw (3) is provided with an arc surface, and the diameter of this circular arc and processed housing component are that pump impeller sub-unit or pump impeller shell external diameter are complementary; The material of gripper jaw (3) is a carbon constructional quality steel, and promptly 20 steel or 35 steel or 45 steel are provided with 1～4 counter sink in the middle of the arc surface of each gripper jaw (3), are used to pass screw and fix this gripper jaw (3);
Described connecting rod (9) is that 4～10 upper ends have outer lug boss, the threaded cylindrical bar in lower end; The material of connecting rod (9) is carbon constructional quality steel or carbon tool steel, i.e. 30 steel or 35 steel or T10A, and the external diameter of every connecting rod (9) is that 20mm～40mm, length are 80mm～120mm; At 1/4～1/3 section screw rod that is provided with screw thread and forms in the bottom of every connecting rod (9), so that affixed with described terminal pad (1); 1/5～1/4 section external diameter being set all on the top, the end of every connecting rod (9) is that 20mm～40mm, thickness are the outer lug boss of 5mm～25mm, in order to support locating shaft (4), axis place on the top of every connecting rod (9) all is provided with a tapped blind hole along axis direction, and the degree of depth of this tapped blind hole and the length of screw coupling are in order to affixed locating shaft (4);
Described locating shaft (4) is the platform shape cylinder that round platform, top are cylindrical bar for the bottom is disk, middle part, and the material of locating shaft (4) is a carbon constructional quality steel, i.e. 20 steel or 35 steel or 45 steel; The external diameter of locating shaft (4) bottom disc is that 140mm～280mm, thickness are 10mm～30mm, on the circumferential edge of its disk and corresponding to the screwed hole place on described connecting rod (9) top, 4～10 counter sinks are set evenly, by these counter sinks and 4～10 screws that locating shaft (4) and connecting rod (9) is affixed; The external diameter of locating shaft (4) middle part round platform is that 60mm～120mm, thickness are 20mm～60mm, and processed axle part is the pump impeller axle sleeve, is placed on the described round platform and is sleeved on the cylindrical bar on locating shaft (4) top; The axial center hole coupling that the external diameter of locating shaft (4) top cylindrical bar and processed axle part are the pump impeller axle sleeve, its length is 20mm～80mm;
Described location compresses axle sleeve (8) for being distributed with the cylinder of 3～6 support arms outward, and its material is a carbon constructional quality steel, i.e. 45 steel or 35 steel; The external diameter that the location compresses axle sleeve (8) is that 80～220mm, length are 60mm～130mm; Axis place in the location compresses axle sleeve (8) is provided with a step through-hole along axis direction, the external diameter coupling of the cylindrical bar on the internal diameter of its top through hole and described locating shaft (4) top, the external diameter that the internal diameter of its underpart through hole and processed axle part are the pump impeller axle sleeve is complementary, and the location compresses on the top cylindrical bar that axle sleeve (8) is contained in described locating shaft (4); The bottom outside that compresses axle sleeve (8) in the location 3～6 length that evenly distribute are 40mm～90mm, widely are the support arm of 25mm～50mm, the thick 12～40mm of being, so that being the pump impeller assembly, workpiece to be machined connects that processing is promptly welded or glued or riveted joint, in the outer end of each support arm one stepped hole is set, elastic pressed piece (7) is installed in this stepped hole, is that pump impeller sub-unit or pump impeller shell compress the location with the housing of work piece; The main shaft endoporus that the location compresses axle sleeve (8) top external diameter and aforesaid special equipment is complementary, and at the arranged outside one indent groove of this external diameter, affixed by the main shaft of this groove and screw and aforesaid special equipment; Aforesaid special equipment main shaft effect under, drive the location and compress axle sleeve (8) and produce thrust P, form an axle sleeve mounting and clamping system with elastic pressed piece (7);
Described elastic pressed piece (7) is 3～6, form by nut, spring, compression axis, compression axis is that the bottom is a screw rod spherical, top cover nut, spring is a cylindroid helical-coil compression spring, be installed in compression axis bottom spheroid above, the other end of the spring described location of packing into compresses in axle sleeve (8) stepped hole, is that pump impeller sub-unit or pump impeller shell compress with the spring compression with processed housing component by nut and compression axis, so that to welding or glued joint or the connection of riveting is processed in its junction;
Is that pump impeller sub-unit or pump impeller shell are when coiling the class part with the utility model to processed housing component, axis along dish class part is established a through hole, this clear size of opening and processed axle part are that pump impeller axle sleeve step axle is complementary, form 0.05mm～0.5mm matched in clearance, and be that pump impeller axle sleeve step axial end and processed housing component are the junction that pump impeller sub-unit or the described endoporus of pump impeller shell lower surface are connected to form workpiece to be machined by processed axle part.
2. connect the clamping tool system of processing according to the described pump impeller assembly of claim 1, it is characterized in that: described terminal pad (1) material is 45 steel; The external diameter of top disk is that 350mm, thickness are 30mm, the external diameter of bottom round platform is that 200mm, thickness are 50mm, go up and the circumferential edge place that is positioned at the bottom round platform evenly is provided with 5 countersunk head tapped through holes at terminal pad (1), along axis direction one inward recess is set, and 8 tapped through holes evenly are set on the circumferential edge of this inward recess, and at described inward recess lower edge, terminal pad (1) top axis direction one internal diameter to be set be that 150mm, length are the hole of 20mm; Go up and be positioned at the circumferential edge place of bottom round platform and with aforesaid 5 tapped through holes dislocation ground 5 tapped through holes be set evenly at terminal pad (1), the screw thread by these screwed holes and 5 connecting rods (9) hypomere is fixed in 5 connecting rods (9) on the terminal pad (1);
Described push rod (10) material is 45 steel, and external diameter is that 116mm, length dimension are 70mm; Arranged outside one external diameter at push rod (10) middle part is 116mm, thickly is the outer lug boss of 10mm;
The material of described claw (2) is 65Mn, and the external diameter of bottom disc is that 320mm, thickness are 8mm, and 8 countersunk head through holes evenly are set on the circumferential edge of claw (2) bottom disc; 5 through holes evenly are set on the circumferential edge of claw (2) bottom disc; Evenly distributing on claw (2) bottom disc also is provided with 12 aduncate finger jaws accordingly, and the height of finger jaws is 60mm; Described gripper jaw (3) is 12, and material is 45 steel, and 2 counter sinks are set in the middle of the arc surface of each gripper jaw (3);
Described connecting rod (9) is 5, and material is 35 steel, and the external diameter of every connecting rod (9) is that 30mm, length are 100mm; At the 7/24 section screw rod that is provided with screw thread and forms in the bottom of every connecting rod (9) 9; 9/40 section external diameter being set all on the top, the end of every connecting rod (9) is that 30mm, thickness are the outer lug boss of 15mm;
The material of described locating shaft (4) is 45 steel; External diameter is that 190mm, thickness are 20mm, and 5 counter sinks evenly are set on the circumferential edge of its disk; The external diameter of middle part round platform is that 90mm, thickness are 40mm; The length of locating shaft (4) top cylindrical bar is 25mm;
Described location compresses the cylinder that axle sleeve (8) is distributed with 3 support arms, and its material is 45 steel; External diameter is that 100mm, length are 80mm; The bottom outside evenly distribute 3 length be 60mm, wide for 30mm, thickly be the support arm of 20mm;
Described elastic pressed piece (7) is 3;
Processed housing component is that the pump impeller sub-unit is a dish class part, is that pump impeller sub-unit axis is established a through hole along processed housing component, and this clear size of opening and processed axle part are that pump impeller axle sleeve 5 step axles are complementary, and form the 0.3mm matched in clearance.
3. connect the clamping tool system of processing according to the described pump impeller assembly of claim 2, it is characterized in that: described terminal pad (1) material is 35 steel; The external diameter of top disk is that 200mm, thickness are 20mm;
Described push rod (10) outside diameter is that 60mm, length dimension are 50mm;
The outside diameter of the bottom disc of described claw (2) is that 180mm, thickness are 5mm;
Described connecting rod (9) material is 30 steel;
The outside diameter of described locating shaft (4) bottom disc is 140mm, length 25mm;
The outside diameter that described location compresses axle sleeve (8) is that 80mm, length are 60mm.
4. connect the clamping tool system of processing according to the described pump impeller assembly of claim 2, it is characterized in that: the outside diameter of described terminal pad (1) is that 400mm, length are 50mm;
The outside diameter of described push rod (10) is that 180mm, length are 130mm;
The outside diameter of described locating shaft (4) is 280mm, length 150mm;
The outside diameter that described location compresses the bottom disc of axle sleeve (8) is that 220mm, length are 130mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205661686U CN201913489U (en) | 2010-10-19 | 2010-10-19 | Clamp system for connection and processing of pump wheel assembly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010205661686U CN201913489U (en) | 2010-10-19 | 2010-10-19 | Clamp system for connection and processing of pump wheel assembly |
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| Publication Number | Publication Date |
|---|---|
| CN201913489U true CN201913489U (en) | 2011-08-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2010205661686U Expired - Lifetime CN201913489U (en) | 2010-10-19 | 2010-10-19 | Clamp system for connection and processing of pump wheel assembly |
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| Country | Link |
|---|---|
| CN (1) | CN201913489U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729081A (en) * | 2012-07-03 | 2012-10-17 | 芜湖市湖净环保机械有限公司 | Clamp for boring inner cavity of pump body of multi-stage pump |
| CN103394936A (en) * | 2013-08-12 | 2013-11-20 | 重庆江增船舶重工有限公司 | Method for clamping turned workpieces |
| CN104308438A (en) * | 2014-09-02 | 2015-01-28 | 重庆红宇精密工业有限责任公司 | Welding jig for covering roller assembly connection block of hydraulic torque converter and process thereof |
-
2010
- 2010-10-19 CN CN2010205661686U patent/CN201913489U/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102729081A (en) * | 2012-07-03 | 2012-10-17 | 芜湖市湖净环保机械有限公司 | Clamp for boring inner cavity of pump body of multi-stage pump |
| CN103394936A (en) * | 2013-08-12 | 2013-11-20 | 重庆江增船舶重工有限公司 | Method for clamping turned workpieces |
| CN104308438A (en) * | 2014-09-02 | 2015-01-28 | 重庆红宇精密工业有限责任公司 | Welding jig for covering roller assembly connection block of hydraulic torque converter and process thereof |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CX01 | Expiry of patent term | ||
| CX01 | Expiry of patent term |
Granted publication date: 20110803 |