CN110842706A - Water pump impeller manufacturing surface finish machining clamp - Google Patents
Water pump impeller manufacturing surface finish machining clamp Download PDFInfo
- Publication number
- CN110842706A CN110842706A CN201911154163.4A CN201911154163A CN110842706A CN 110842706 A CN110842706 A CN 110842706A CN 201911154163 A CN201911154163 A CN 201911154163A CN 110842706 A CN110842706 A CN 110842706A
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- CN
- China
- Prior art keywords
- top end
- water pump
- pump impeller
- block
- ejector rod
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B19/00—Single-purpose machines or devices for particular grinding operations not covered by any other main group
- B24B19/14—Single-purpose machines or devices for particular grinding operations not covered by any other main group for grinding turbine blades, propeller blades or the like
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B24—GRINDING; POLISHING
- B24B—MACHINES, DEVICES, OR PROCESSES FOR GRINDING OR POLISHING; DRESSING OR CONDITIONING OF ABRADING SURFACES; FEEDING OF GRINDING, POLISHING, OR LAPPING AGENTS
- B24B41/00—Component parts such as frames, beds, carriages, headstocks
- B24B41/06—Work supports, e.g. adjustable steadies
- B24B41/067—Work supports, e.g. adjustable steadies radially supporting workpieces
Abstract
The invention discloses a water pump impeller manufacturing surface finish machining clamp, which relates to the technical field of clamp clamping and comprises a workbench, wherein the top end of the workbench is provided with a horizontal table top, the table top of the workbench is provided with a plurality of disc-shaped positioning tables, the circle center position of the top end of each positioning table is provided with a disc-shaped positioning boss, the top end of each positioning boss is provided with a guide rod standing on the table top, the outer wall of each guide rod and the top end close to the corresponding positioning boss are provided with a plurality of sliding grooves, and the inner wall of each guide rod is provided with an ejector rod abdicating hole. The guide rod is arranged at the top end of the positioning table, the central hole of the water pump impeller is sleeved on the guide rod, the outer ring of the positioning table is provided with a plurality of outer clamping claws at equal intervals according to the circumference, and the water pump impeller is clamped by the outer clamping claws. The inner ring of the water pump impeller is conveniently polished by finish machining.
Description
Technical Field
The invention relates to the technical field of clamp clamping, in particular to a surface finish machining clamp for manufacturing a water pump impeller.
Background
The water pump impeller is a disc-shaped blade made of cast iron, the blade on the water pump impeller plays a main role, the shape and the size of the water pump impeller are closely related to the performance of a water pump, the water pump impeller can be divided into a single-suction type impeller and a double-suction type impeller, the single-suction type impeller absorbs water on a single side, the small-flow water pump impeller mostly adopts the type, the double-suction type impeller absorbs water on two sides, and the large-flow water pump impeller adopts the double-suction type impeller.
After the water pump impeller is cast and formed, the surface of the impeller needs to be polished in a finish machining mode, the water pump impeller needs to be clamped and fixed when the impeller is polished in the finish machining mode,
the existing fixture for milling the impeller in the five-axis machining center disclosed by the patent number CN201910572552.2 relates to the field of impeller machining and comprises a taper shank, a back plate end face positioning seat, a mesopore positioning pin and a nylon pressure head, wherein the taper shank is fixed in a five-axis machining center shaft hole, the back plate end face positioning seat and the taper shank are welded together, the mesopore positioning pin and the back plate end face positioning seat are welded together, the nylon pressure head is in threaded connection with the mesopore positioning pin, the impeller is installed in the fixture by a semi-finished mechanical arm or a manual work after being turned by a lathe, the mesopore of the impeller is radially positioned by the mesopore positioning pin and axially positioned by the back plate end face positioning seat, and the upper end face is pressed by a rotary pressure head configured by. The invention solves the problem of clamping the impeller during milling of a five-axis machining center, and improves the production efficiency, the production precision and the service life of the impeller.
The impeller disclosed in the patent still has some defects in practical processing, and the specific defects are as follows:
one, current, anchor clamps can occupy the partial area on impeller surface when pressing from both sides tight to water pump impeller, and this partial area that occupies can't be polished when the finish machining is polished, and this partial area that later stage needs polish anchor clamps occupy alone after dismantling the impeller influences the speed of polishing.
Disclosure of Invention
Aiming at the problems in the prior art, the invention aims to provide a surface finish machining clamp for manufacturing a water pump impeller, and the clamp can be used for solving the technical problem that the clamp can occupy partial area of the surface of the impeller when clamping the water pump impeller, and the occupied partial area cannot be polished.
The technical problem to be solved by the invention is realized by adopting the following technical scheme: a water pump impeller manufacturing surface finish machining clamp comprises a workbench, wherein the top end of the workbench is provided with a horizontal table top, the table top of the workbench is provided with a plurality of disc-shaped positioning tables, disc-shaped positioning bosses are arranged at the circle center positions of the top ends of the positioning tables, guide rods standing upright on the table top are arranged at the top ends of the positioning bosses, a plurality of sliding grooves are formed in the outer walls of the guide rods and close to the top ends of the positioning bosses, ejector rod abdicating holes are formed in the inner walls of the guide rods, the sliding grooves are communicated with the ejector rod abdicating holes, the sliding grooves are distributed on the outer walls of the guide rods at equal intervals according to the circumference, and inner clamping blocks are embedded in each sliding groove in a sliding;
the gear box is arranged in the workbench, a plurality of jaw grooves which are distributed at equal intervals are formed in the outer ring of each positioning table, the jaw grooves are distributed at equal intervals on the outer ring of the positioning table according to the circumference, each jaw groove penetrates through the gear box, a pin shaft is arranged in each jaw groove, an outer clamping jaw is hinged in each jaw groove through the pin shaft, the top end of each outer clamping jaw extends out of the top table top of the workbench, and the outer clamping jaws are distributed at equal intervals on the outer ring of the positioning table according to the circumference;
the bottom ends of the outer clamping claws are hinged to an ejector rod base, the ejector rod base is of a cylindrical structure, a plurality of outer clamping claws are hinged to the outer ring of the ejector rod base at equal intervals, a cylindrical ejector rod is arranged at the top end of the ejector rod base, a conical surface is arranged at the top end of the ejector rod, the top end of the ejector rod extends into an ejector rod abdicating hole, a push rod is hinged in the ejector rod abdicating hole, one end of the push rod extends into a sliding groove and is hinged to an inner clamping block, and a roller is arranged at the other end of the push rod and is attached to the conical surface at the top end;
the bottom of each ejector rod base is embedded with a threaded rod in a sliding fit mode, the bottom of the threaded rod is connected with a third transmission shaft through threads, a supporting plate is arranged inside the gear box and below the ejector rod base, a through shaft hole is formed in the middle of the supporting plate below the ejector rod base, the bottom of the third transmission shaft penetrates through the shaft hole and extends out to the bottom of the supporting plate, a bevel gear is arranged at the bottom of the third transmission shaft, the third transmission shaft is in meshing transmission with a first transmission shaft through the bevel gear, the bottom ends of every two adjacent third transmission shafts are in meshing transmission through a second transmission shaft, the first transmission shaft penetrates through a rolling bearing and extends out of the workbench, and a shifting wheel is arranged at the top end of the first transmission shaft extending out of the workbench.
According to a preferable technical scheme of the invention, a connecting groove with a square structure is arranged in each inner clamping block, a plurality of groove openings distributed at equal intervals are formed in the outer wall surface of each inner clamping block, the groove openings are communicated with the connecting groove in the inner clamping block, a floating block is hinged in each groove opening, two ends of each floating block are round-head-shaped, the round head at one end of each floating block extends into the connecting groove, a traction rope is fixed at the top end of each floating block extending into the connecting groove, and the top end of each traction rope is provided with a footing which is fixed on the inner wall of the connecting groove.
As a preferred technical scheme of the invention, the outer clamping jaw comprises a central block fixed at the top end of the outer clamping jaw, the two sides of the central block are symmetrically hinged with second clamping blocks, the top ends of the second clamping blocks positioned at the two sides of the central block are symmetrically hinged with first clamping blocks, and the first clamping blocks are curved arc-shaped blocks;
the inner part of the central block is provided with a tension spring hole which runs through the two sides, a tension spring is embedded in the tension spring hole, and the two ends of the tension spring are respectively fixed on the second clamping blocks on the two sides of the central block;
the top that is close to outer gripper jaw is equipped with the backup pad in the symmetry, install adjusting spring between first grip block and the backup pad.
As a preferred technical solution of the present invention, the second clamping block is a curved arc-shaped block, the arc-shaped block has a concave surface and a convex surface, the concave surface of the second clamping block is provided with rubber teeth distributed at equal intervals, and the rubber teeth are triangular teeth.
As a preferred technical scheme of the invention, the top end of the central block is provided with a rubber block with a square structure, and the outer wall of the rubber block is provided with lugs distributed at equal intervals.
As a preferable technical scheme of the invention, a protective cover is arranged at the top end of the central block and is fixed at the top end of the outer clamping claw.
Compared with the prior art, the invention at least comprises the following beneficial effects:
firstly, the table top of the workbench is provided with a guide rod, a central hole of the water pump impeller is sleeved on the guide rod, the inner clamping block which can slide is arranged in the guide rod and extends out of the workbench through the inner clamping block, and the water pump impeller is clamped in the central hole of the water pump impeller. The outer ring of the water pump impeller is convenient to finish and polish.
The guide rod is arranged at the top end of the positioning table, the central hole of the water pump impeller is sleeved on the guide rod, a plurality of outer clamping claws are arranged on the outer ring of the positioning table at equal intervals according to the circumference, and the water pump impeller is clamped by the outer clamping claws. The inner ring of the water pump impeller is conveniently polished by finish machining.
The bottom end of the outer clamping jaw is hinged to the ejector rod base, the outer clamping jaw is controlled to be opened through the lifting of the ejector rod base, the ejector rod is arranged at the top end of the ejector rod base, the top end of the ejector rod is provided with a conical surface, the push rod is pushed to be opened outwards through the conical surface at the top end of the ejector rod when the ejector rod base is lifted, the push rod pushes the inner clamping block to slide outwards to clamp the central hole of the water pump impeller, so that when the water pump impeller is clamped inwards, the outer clamping is loosened, and the area occupied by the clamp when the outer ring of the water pump impeller is polished is reduced.
The outer clamping claw is controlled to clamp the outer ring of the water pump impeller by the aid of the downward sliding of the ejector rod base, the ejector rod is arranged at the top end of the ejector rod base, the top end of the ejector rod is provided with the conical surface, the push rod is loosened by the downward sliding of the ejector rod base through the conical surface, the inner clamping block loses thrust, and the center hole of the water pump impeller is clamped by the inner clamping block.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a schematic perspective view of a fixture for surface finishing of a water pump impeller according to the present invention;
FIG. 2 is a top view of the fixture for surface finishing in manufacturing water pump impellers, which is mounted on a worktable according to the present invention;
FIG. 3 is a schematic view of the cross-sectional structure A-A of FIG. 2 according to the present invention;
FIG. 4 is an enlarged view of a portion of the structure of FIG. 3;
FIG. 5 is a cross-sectional view of the outer clamping jaw of the present invention;
FIG. 6 is a schematic cross-sectional view of an inner clamping block according to the present invention;
in the figure: 1. the device comprises a workbench, 101, a gear box, 102, shaft holes, 103, step grooves, 104, a threaded rod, 105, a rod cap, 106, a push rod base, 107, a claw groove, 108, a push rod hole, 109, a supporting block, 110, a push rod, 2, a supporting leg, 3, a first transmission shaft, 301, a second transmission shaft, 302, a third transmission shaft, 4, a thumb wheel, 5, a guide rod, 501, a push rod, 502, a sliding groove, 6, an inner clamping block, 601, a foot, 602, a traction rope, 603, a groove opening, 604, a floating block, 605, a connecting groove, 7, an outer clamping claw, 701, an adjusting spring, 702, a protective cover, a first clamping block, 704, a second clamping block, 703, a central block, 706, a tension spring hole, 707, a tension spring, 708, a rubber block, 709, a rubber tooth, 710, a supporting plate, 8, a positioning table, 801 and a positioning boss.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the invention easy to understand, the invention is further explained below by combining the specific drawings.
It will be understood that when an element is referred to as being "secured to" another element, it can be on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and similar expressions are used herein for illustrative purposes only and do not represent the only embodiments.
Example 1
Referring to fig. 1-6, an overall structure schematic diagram of a water pump impeller manufacturing surface finish machining fixture is shown, the water pump impeller manufacturing surface finish machining fixture comprises a workbench 1, the top end of the workbench 1 is provided with a horizontal table top, the bottom of the workbench 1 is provided with four supporting legs 2 near four corners for supporting, the table top of the workbench 1 is provided with a plurality of disc-shaped positioning tables 8, the circle center of the top end of each positioning table 8 is provided with a disc-shaped positioning boss 801, the top end of each positioning boss 801 is provided with a guide rod 5 standing upright on the table top, each guide rod 5 is of a cylindrical rod structure, the outer wall of each guide rod 5 and the top end close to the corresponding positioning boss 801 are provided with a plurality of sliding grooves 502, the inner wall of each guide rod 5 is provided with an ejector rod abdicating hole 108, the sliding grooves 502 are communicated with the ejector rod abdicating holes 108, the sliding grooves 502 are distributed on the outer wall of the guide rod 5 at equal; the inner clamping block 6 is a square block structure,
a gear box 101 is arranged in the workbench 1, a plurality of jaw grooves 107 which are distributed at equal intervals are arranged on the outer ring of each positioning table 8, the jaw grooves 107 are distributed at equal intervals on the outer ring of the positioning table 8 according to the circumference, each jaw groove 107 penetrates through the gear box 101, a pin shaft is arranged in each jaw groove 107, an outer clamping jaw 7 is hinged in each jaw groove 107 through the pin shaft, the top end of each outer clamping jaw 7 extends out of the top table top of the workbench 1, and the outer clamping jaws 7 are distributed at equal intervals on the outer ring of the positioning table 8 according to the circumference;
the bottom ends of the outer clamping claws 7 are hinged to the ejector rod base 106, the ejector rod base 106 is of a cylindrical structure, a plurality of outer clamping claws 7 are hinged to the outer ring of the ejector rod base 106 at equal intervals, a cylindrical ejector rod 111 is arranged at the top end of the ejector rod base 106, a conical surface is arranged at the top end of the ejector rod 111, the top end of the ejector rod 111 extends into the ejector rod abdicating hole 108, a push rod 501 is hinged in the ejector rod abdicating hole, the push rod 501 is of an inverted herringbone structure, one end of the push rod 501 is hinged to the inner clamping block 6 in the sliding groove 502, and the other end of the push rod 502 is provided with a roller;
the bottom end of each ejector rod base 106 is embedded into a threaded rod 104 in a sliding fit mode, the top end of the threaded rod 104 is provided with a disc-shaped rod cap 105, the circle center of the bottom end of the ejector rod base 106 is provided with a cylindrical stepped hole, the rod cap 105 is embedded into the stepped hole of the ejector rod base 106 in a sliding fit mode, so that the rod cap 105 can rotate in the stepped hole of the ejector rod base 106,
the bottom of threaded rod 104 has third transmission shaft 302 through threaded connection, the inside of gear box 101 and the below that is located ejector pin base 106 are equipped with backup pad 9, the intermediate position of backup pad 9 that is located ejector pin base 106 below is equipped with through-going shaft hole 102, the bottom of third transmission shaft 302 passes shaft hole 102 and stretches out to the bottom of backup pad 9, the excircle face of third transmission shaft 302 is equipped with the step, the inner wall of shaft hole 102 is equipped with step groove 103 with step matched with, make third transmission shaft 302 fix in shaft hole 102, and rotatable, rotate through third transmission shaft 302, drive threaded rod 104 goes up and down on the top of third transmission shaft 302, it slides and outer gripper 7 presss from both sides to drive interior grip block 6, realize pressing from both sides two kinds of tight modes to the interior clamp and the outer clamp of water.
The bottom ends of the third transmission shafts 302 are provided with bevel gears, the third transmission shafts 302 are in meshing transmission with the first transmission shaft 3 through the bevel gears, the bottom ends of two adjacent third transmission shafts 302 are in meshing transmission through the second transmission shaft 301, the second transmission shaft 301 is installed inside the gear box 101, and the other end of the second transmission shaft 301 is meshed with the other third transmission shaft 302, so that the outer clamping claws 7 are driven to synchronously clamp or loosen through the first transmission shaft 3, and the operation simplicity is improved. The first transmission shaft 3 penetrates through the workbench 1 through a rolling bearing and extends outwards, and a shifting wheel 4 is arranged at the top end of the first transmission shaft 3 extending out of the workbench 1. The manual shaking of the shifting wheel is facilitated, and the internal clamping or the external clamping of the water pump impeller is controlled.
The invention is characterized in that a guide rod 5 is arranged on the table top of a workbench 1, the central hole of a water pump impeller is sleeved on the guide rod 5, a slidable inner clamping block 6 is arranged in the guide rod 5, the inner clamping block 6 extends out of the workbench, and the water pump impeller is clamped in the central hole of the water pump impeller. The outer ring of the water pump impeller is convenient to finish and polish.
According to the invention, the guide rod 5 is arranged at the top end of the positioning table 8, the central hole of the water pump impeller is sleeved on the guide rod 5, the outer ring of the positioning table 8 is provided with a plurality of outer clamping claws 7 at equal intervals according to the circumference, and the water pump impeller is clamped by the outer clamping claws 7. The inner ring of the water pump impeller is conveniently polished by finish machining.
According to the invention, the bottom end of the outer clamping claw 7 is hinged on the ejector rod base 106, the opening of the outer clamping claw 7 is controlled by the rising of the ejector rod base 106, the ejector rod 110 is arranged at the top end of the ejector rod base 106, the top end of the ejector rod 110 is provided with a conical surface, the rising of the ejector rod base 106 pushes the push rod 501 to open outwards through the conical surface at the top end of the ejector rod 110, and the push rod 501 pushes the inner clamping block 6 to slide outwards to clamp the central hole of the water pump impeller, so that when the water pump impeller is clamped inwards, the outer clamping is loosened, and the occupied area of a clamp when the outer ring of the water pump impeller.
According to the invention, the outer clamping claw 7 is controlled to clamp the outer ring of the water pump impeller by the downward sliding of the ejector rod base 106, the ejector rod 110 is arranged at the top end of the ejector rod base 106, the top end of the ejector rod 110 is provided with the conical surface, the push rod 501 is loosened by the downward sliding of the ejector rod base 106 through the conical surface, the inner clamping block 6 loses thrust and loosens the clamping on the central hole of the water pump impeller, so that when the water pump impeller is externally clamped, the inner clamping is loosened, and the area occupied by the clamp when the inner ring of the water pump impeller is polished is reduced.
The water pump impeller is internally clamped and externally clamped through the outer clamping claw and the inner clamping block, so that the water pump impeller is alternately clamped and fixed through an outer clamping mode and an inner supporting mode when the water pump impeller is subjected to finish machining polishing, the outer clamping mode is loosened when the outer ring of the water pump impeller is polished, the water pump impeller is fixed through the inner clamping block 6, the water pump impeller is clamped and fixed through the outer clamping claw 7 when the central hole of the water pump impeller is polished, and the problem that the clamp occupies the surface of the water pump impeller in the process of finish machining polishing of the water pump impeller is solved.
The inside of each interior clamping block 6 is equipped with the connecting groove 605 of square structure, the outer wall of interior clamping block 6 is equipped with the notch 603 that a plurality of equidistance distribute, notch 603 and the inside connecting groove 605 intercommunication, it has slider 604 to articulate in each notch 603, be equipped with the pin pole in the notch 603, the intermediate position of slider 604 is equipped with the pinhole, slider 604 articulates in notch 603 through the pin pole, the both ends of each slider 604 are all established to the button head form, one of them one end button head of slider 604 stretches into in connecting groove 605, the top of the slider 604 that stretches into in connecting groove 605 is fixed with haulage rope 602. The top end of the pulling rope 602 is provided with a foot 601, and the foot 601 is fixed on the inner wall of the connecting groove 605 by a commercially available AB adhesive.
According to the invention, the plurality of floating blocks 604 are arranged on the outer wall of the inner clamping block 6, the floating blocks 604 perform left-right floating adjustment according to the surface profile of the central hole of the water pump impeller, and the inner clamping block 6 pushes outwards, so that the inner clamping block 6 is tightly attached to the wall of the uneven central hole of the water pump impeller, the position deviation of the water pump impeller in the clamping process is avoided, and the clamping force of the inner clamping block 6 on the central hole of the water pump impeller is improved.
In the invention, one round head of the floating block 604 extends into the connecting groove 605, the top end of the floating block 604 extending into the connecting groove 605 is fixed with the traction rope 602, the traction rope 602 is a nylon rope with an elastic function, and the top end of the floating block 604 is pulled by the traction rope 602, so that the floating block 604 with an angle deviation automatically returns to a right position after being extruded by losing external force, and the inner clamping block 6 can circularly clamp a workpiece.
The outer clamping claw 7 comprises a central block 705 fixed at the top end of the outer clamping claw 7, the front end of the central block 705 is provided with a rubber block 708 with a square structure, the outer clamping claw 7 is clamped towards the center of a circle of a positioning table 8 and props against the outer wall of a water pump impeller through the central block 705 to clamp the outer wall of the impeller, the two sides of the central block 705 are symmetrically hinged with second clamping blocks 704, the top ends of the second clamping blocks 704 positioned at the two sides of the central block 705 are symmetrically hinged with first clamping blocks 703, and the first clamping blocks 703 are curved arc-shaped blocks; a tension spring hole 706 penetrating through the two sides is formed in the center block 705, a tension spring 707 is embedded into the tension spring hole 706, and the two ends of the tension spring 707 are respectively fixed on the second clamping blocks 704 on the two sides of the center block 705; the supporting plates 710 are symmetrically arranged at the top ends of the outer clamping claws 7, the adjusting springs 701 are arranged between the first clamping blocks 703 and the supporting plates 710, the first clamping blocks 703 and the second clamping blocks 704 on the two sides of the central block 705 are movably adjusted to form flexible clamping jaws, and the second clamping blocks 704 are attached to the outer circular surface of the water pump impeller through the support of the adjusting springs 701, so that the clamping force on the water pump impeller is improved.
The outer clamping claws 7 can clamp water pump impellers with different diameters by clamping the outer clamping claws 7 towards the circle center of the positioning table 8, and the first clamping blocks 703 and the second clamping blocks 704 are clamped by adjusting the support of the adjusting springs 701 according to the water pump impellers with different diameters, so that the practicability of the clamp is improved.
The second clamping block 704 is designed to be a curved arc-shaped block, the arc-shaped block is provided with a concave surface and a convex surface, the concave surface of the second clamping block 704 is provided with rubber teeth 709 which are distributed at equal intervals, the rubber teeth 709 are triangular teeth, the friction force of the second clamping block 704 to the outer circular surface of the water pump impeller is improved, the top end of the central block 705 is provided with a rubber block 708 with a square structure, the outer wall of the rubber block 708 is provided with convex blocks which are distributed at equal intervals, the top end of the central block 705 is provided with a protective cover 702, and the protective cover 702 is fixed to the. The protective cover 702 is a U-shaped cover with two sides bent towards the middle, which improves the protection of the central block 705.
When the water pump impeller is used for manufacturing a surface finish machining clamp, firstly, a central hole of the water pump impeller is sleeved on a guide rod 5, a dial wheel 4 is shaken to drive an outer clamping claw 7 at the top end of a workbench 1 or an inner clamping block 6 to clamp the water pump impeller, the clamp has two clamping modes of inner clamping and outer clamping, and the specific clamping method comprises the following steps:
one, inner clamping
The top rod base 106 in the gear box 101 is driven by the thumb wheel 4 to rise upwards, the opening of the outer clamping claw 7 is controlled by the rising of the top rod base 106, the top end of the top rod base 106 is provided with the top rod 110, the top end of the top rod 110 is provided with a conical surface, the rising of the top rod base 106 pushes the push rod 501 to open outwards through the conical surface at the top end of the top rod 110, the push rod 501 pushes the inner clamping block 6 to slide outwards to clamp a central hole of a water pump impeller, and the outer clamping claw 7 opens outwards.
Two, external clamping
The push rod base 106 in the gear box 101 is driven by the thumb wheel 4 to slide downwards, the conical surface moves downwards through the downward sliding of the push rod base 106, the push rod 501 is loosened, the inner clamping block 6 loses thrust, retracts towards the axis direction of the push rod abdicating hole, the clamping of the central hole of the water pump impeller is loosened, the push rod base 106 slides downwards to drive the outer clamping claw 7 to clamp the circle center position of the positioning table 8, the outer wall of the water pump impeller is held, and the water pump is clamped externally.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. The utility model provides a water pump impeller makes surface finish machining anchor clamps, includes the workstation, its characterized in that: the top end of the workbench is provided with a horizontal table top, the table top of the workbench is provided with a plurality of disc-shaped positioning tables, the circle center position of the top end of each positioning table is provided with a disc-shaped positioning boss, the top end of each positioning boss is provided with a guide rod standing upright on the table top, the outer wall of each guide rod and the top end close to the corresponding positioning boss are provided with a plurality of sliding grooves, the inner wall of each guide rod is provided with an ejector rod abdicating hole, each sliding groove is communicated with the corresponding ejector rod abdicating hole, the sliding grooves are distributed on the outer wall of each guide rod at equal intervals according to the circumference, and each sliding groove is embedded with an inner clamping;
the gear box is arranged in the workbench, a plurality of jaw grooves which are distributed at equal intervals are formed in the outer ring of each positioning table, the jaw grooves are distributed at equal intervals on the outer ring of the positioning table according to the circumference, each jaw groove penetrates through the gear box, a pin shaft is arranged in each jaw groove, an outer clamping jaw is hinged in each jaw groove through the pin shaft, the top end of each outer clamping jaw extends out of the top table top of the workbench, and the outer clamping jaws are distributed at equal intervals on the outer ring of the positioning table according to the circumference;
the bottom ends of the outer clamping claws are hinged to an ejector rod base, the ejector rod base is of a cylindrical structure, a plurality of outer clamping claws are hinged to the outer ring of the ejector rod base at equal intervals, a cylindrical ejector rod is arranged at the top end of the ejector rod base, a conical surface is arranged at the top end of the ejector rod, the top end of the ejector rod extends into an ejector rod abdicating hole, a push rod is hinged in the ejector rod abdicating hole, one end of the push rod extends into a sliding groove and is hinged to an inner clamping block, and a roller is arranged at the other end of the push rod and is attached to the conical surface at the top end;
the bottom of each ejector rod base is embedded with a threaded rod in a sliding fit mode, the bottom of the threaded rod is connected with a third transmission shaft through threads, a supporting plate is arranged inside the gear box and below the ejector rod base, a through shaft hole is formed in the middle of the supporting plate below the ejector rod base, the bottom of the third transmission shaft penetrates through the shaft hole and extends out to the bottom of the supporting plate, a bevel gear is arranged at the bottom of the third transmission shaft, the third transmission shaft is in meshing transmission with a first transmission shaft through the bevel gear, the bottom ends of every two adjacent third transmission shafts are in meshing transmission through a second transmission shaft, the first transmission shaft penetrates through a rolling bearing and extends out of the workbench, and a shifting wheel is arranged at the top end of the first transmission shaft extending out of the workbench.
2. The water pump impeller manufacturing surface finishing fixture as claimed in claim 1, wherein: each the inside of interior grip block is equipped with the spread groove of square structure, the outer wall of interior grip block is equipped with the notch groove that a plurality of equidistance distribute, notch groove and the inside spread groove intercommunication of interior grip block, each it has the slider, each to articulate in the notch groove the button head form is all established to the both ends of slider, the wherein one end button head of slider stretches into in the spread groove, stretches into in the spread groove the top of slider is fixed with the haulage rope, the top of haulage rope is provided with the footing, and the footing is fixed in the inner wall of spread groove.
3. The water pump impeller manufacturing surface finishing fixture as claimed in claim 1, wherein: the outer clamping jaw comprises a central block fixed at the top end of the outer clamping jaw, second clamping blocks are symmetrically hinged to two sides of the central block, first clamping blocks are symmetrically hinged to the top ends of the second clamping blocks positioned on two sides of the central block, and the first clamping blocks are curved arc-shaped blocks;
the inner part of the central block is provided with a tension spring hole which runs through the two sides, a tension spring is embedded in the tension spring hole, and the two ends of the tension spring are respectively fixed on the second clamping blocks on the two sides of the central block;
the top that is close to outer gripper jaw is equipped with the backup pad in the symmetry, install adjusting spring between first grip block and the backup pad.
4. The water pump impeller manufacturing surface finishing jig as set forth in claim 3, characterized in that: the second clamping block is designed into a curved arc-shaped block, the arc-shaped block is provided with a concave surface and a convex surface, the concave surface of the second clamping block is provided with rubber teeth which are distributed at equal intervals, and the rubber teeth are triangular teeth.
5. The water pump impeller manufacturing surface finishing jig as set forth in claim 3, characterized in that: the top of center block installs the block rubber of square structure, the outer wall of block rubber is equipped with the lug that the equidistance distributes.
6. The water pump impeller manufacturing surface finishing jig as set forth in claim 3, characterized in that: and a protective cover is arranged at the top end of the central block and is fixed at the top end of the outer clamping jaw.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154163.4A CN110842706A (en) | 2019-11-22 | 2019-11-22 | Water pump impeller manufacturing surface finish machining clamp |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911154163.4A CN110842706A (en) | 2019-11-22 | 2019-11-22 | Water pump impeller manufacturing surface finish machining clamp |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110842706A true CN110842706A (en) | 2020-02-28 |
Family
ID=69603766
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911154163.4A Withdrawn CN110842706A (en) | 2019-11-22 | 2019-11-22 | Water pump impeller manufacturing surface finish machining clamp |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110842706A (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633544A (en) * | 2020-05-29 | 2020-09-08 | 兰州理工大学 | Polishing device for annular workpiece |
| CN112355814A (en) * | 2020-10-29 | 2021-02-12 | 宁波照澜新材料科技有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN112355722A (en) * | 2020-10-27 | 2021-02-12 | 南京众荣环保技术开发有限公司 | Method for machining impeller of submersible sewage pump |
| CN112757089A (en) * | 2021-01-28 | 2021-05-07 | 熊运升 | Edge deburring equipment for perforated round block |
| CN112792388A (en) * | 2021-03-19 | 2021-05-14 | 新乡职业技术学院 | Special machine tool for special-shaped parts |
| CN116871600A (en) * | 2023-08-14 | 2023-10-13 | 江苏宝利来新动力机械有限公司 | Gear profile milling device for speed reducer production |
| CN117226548A (en) * | 2023-11-10 | 2023-12-15 | 山东永能动力科技有限公司 | Cutting fixture for turbine impeller |
-
2019
- 2019-11-22 CN CN201911154163.4A patent/CN110842706A/en not_active Withdrawn
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111633544A (en) * | 2020-05-29 | 2020-09-08 | 兰州理工大学 | Polishing device for annular workpiece |
| CN112355722A (en) * | 2020-10-27 | 2021-02-12 | 南京众荣环保技术开发有限公司 | Method for machining impeller of submersible sewage pump |
| CN112355814A (en) * | 2020-10-29 | 2021-02-12 | 宁波照澜新材料科技有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN112355814B (en) * | 2020-10-29 | 2021-07-06 | 台州市千喜泵业有限公司 | Surface finish machining process for centrifugal sewage pump accessories |
| CN112757089A (en) * | 2021-01-28 | 2021-05-07 | 熊运升 | Edge deburring equipment for perforated round block |
| CN112792388A (en) * | 2021-03-19 | 2021-05-14 | 新乡职业技术学院 | Special machine tool for special-shaped parts |
| CN116871600A (en) * | 2023-08-14 | 2023-10-13 | 江苏宝利来新动力机械有限公司 | Gear profile milling device for speed reducer production |
| CN117226548A (en) * | 2023-11-10 | 2023-12-15 | 山东永能动力科技有限公司 | Cutting fixture for turbine impeller |
| CN117226548B (en) * | 2023-11-10 | 2024-01-23 | 山东永能动力科技有限公司 | Cutting fixture for turbine impeller |
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