A processing device for impeller thread

Abstract

The application discloses a kind of processing equipment of impeller thread, it is related to the technical field of impeller processing, including workbench, limiting mechanism, tapping mechanism and chip removal mechanism, the top of the workbench is equipped with working tank, limiting mechanism is equipped on the cushion block of working tank, tapping mechanism is equipped in working tank, chip removal mechanism is equipped in the limiting ring of limiting mechanism.The application is fixed on the cushion block by the limiting ring of limiting mechanism to impeller, and the thread processing is carried out to the center of impeller by the tap of tapping mechanism, the limiting ring is blocked to the outflow of the generated swarf, and the generated swarf is sucked by chip suction pump, when tap is lowered to the lowest position, the brush of cleaning mechanism is driven by the fixed seat on tap, so that the brush swings, and the position of brush is adjusted by the spring thereon, so that the brush cleans the swarf deposited at the bottom of inner cavity, facilitate effective cleaning of swarf.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of impeller processing, and particularly relates to an impeller thread processing equipment. BACKGROUND

[0002] The impeller is a vital component in a water pump, is generally connected with a pump shaft in a threaded mode, and needs to be subjected to internal thread processing at the center thereof in a production process. During the internal thread processing, hard granular waste chips generated by a tap are randomly discharged to the impeller. The waste chips repeatedly impact the surface of the impeller, and may induce micro cracks. When the impeller is in long-term service, the cracks expand under alternating stress, and cause fatigue fracture of the impeller. SUMMARY

[0003] The present application aims to provide an impeller thread processing equipment to overcome the above-mentioned defects in the prior art.

[0004] An impeller thread processing equipment, comprising a workbench, a limiting mechanism, a tapping mechanism and a chip removal mechanism, wherein the top of the workbench is provided with a workbox;

[0005] The limiting mechanism is arranged on a cushion block of the workbox and is used for fixing an impeller to be processed;

[0006] The tapping mechanism is arranged in the workbox and is used for processing threads at the center of the impeller;

[0007] The chip removal mechanism is arranged in a limiting ring of the limiting mechanism and is used for discharging waste chips generated during the processing of the impeller and cleaning the inner cavity of the limiting ring under the action of a fixing seat of a tap of the tapping mechanism.

[0008] Preferably, the limiting mechanism further comprises positioning rods, the positioning rods are arranged on the cushion block in a distributed mode, the limiting ring is provided with mounting grooves matched with the top of the impeller, the limiting ring is provided with insertion holes matched with the positioning rods in the mounting grooves, and the limiting ring is connected with the positioning rods through bolts inserted into the insertion holes.

[0009] Preferably, the tapping mechanism further comprises a pneumatic cylinder and a driving motor, the cylinder body of the pneumatic cylinder is mounted on a fixing frame in the workbox, a lifting frame connected with the piston rod of the pneumatic cylinder is slidably connected to the slide rail of the fixing frame, the driving motor is mounted on the lifting frame and is provided with a fixing seat on the output shaft thereof, the tap is inserted into the fixing seat and is connected with the fixing seat through bolts.

[0010] Preferably, the chip removal mechanism comprises an annular pipe, a branch pipe and a cleaning assembly, the inner cavities are arranged on the inner circumference of the limiting ring and are evenly distributed, two adjacent inner cavities are communicated, the annular pipe is sleeved on the limiting ring and is communicated with the corresponding inner cavities through the branch pipe, the annular pipe is connected with the chip suction pump through the main pipe, and the annular pipe is provided with the cleaning assembly for cleaning residual waste chips on each inner cavity.

[0011] Preferably, the cleaning assembly comprises a pressing rod, a connecting plate, a driving plate and a brush, the pressing rod is slidingly connected to the limiting ring and is provided with a baffle one at the top, a spring one is sleeved between the limiting ring and the baffle one of the pressing rod, one end of the connecting plate is hingedly connected to the fixed plate at the bottom of the pressing rod through a pin shaft, the driving plate is hingedly connected to the vertical plate in the inner cavity through a pin shaft, the other end of the connecting plate is hingedly connected to the driving plate through a pin shaft, the driving plate is provided with a lower extension frame, the brush is provided with a sliding rod slidingly connected with the lower extension frame, the top of the sliding rod is provided with a baffle two, and a spring two is sleeved between the lower extension frame and the brush.

[0012] Preferably, the driving plate is in the shape of an L.

[0013] Preferably, the sliding rod is provided with a plurality of sliding rods.

[0014] Preferably, the cushion block is provided with a chip removal hole communicated to the side surface of the cushion block between the positioning rods.

[0015] Preferably, the side surface of the limiting ring is provided with a support plate, and the support plate is provided with a cooling liquid pipe connected with the cooling liquid pump.

[0016] The present application has the following beneficial effects:

[0017] The present application fixes the impeller on the cushion block through the limiting ring of the limiting mechanism, and performs thread processing on the center of the impeller through the tap of the tapping mechanism. The limiting ring blocks the outflow of the generated waste chips, and the generated waste chips are sucked through the chip suction pump. When the tap moves down to the lowest position, the brush of the cleaning mechanism is driven through the fixing seat on the tap, so that the brush swings, and the position of the brush is adjusted through the spring thereon, so that the brush cleans the waste chips deposited on the bottom of the inner cavity, thereby facilitating effective cleaning of the waste chips. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the whole application.

[0019] Figure 2 It is a structural schematic diagram of the impeller installed on the cushion block.

[0020] Figure 3 It is a top view of the impeller installed on the cushion block.

[0021] Figure 4 Figure 1 is a schematic diagram of the structure of the cushion block and positioning rod of the present application.

[0022] Figure 5 Figure 2 is a schematic diagram of the structure of the upper side of the limiting mechanism and chip removal mechanism of the present application.

[0023] Figure 6 Figure 3 is a schematic diagram of the structure of the lower side of the limiting mechanism and chip removal mechanism of the present application.

[0024] Figure 7 Figure 4 is a schematic diagram of the structure of the cleaning assembly of the present application.

[0025] Figure 8 Figure 5 is a partial enlarged view of A in Figure 4. Figure 7

[0026] Figure 1 is a schematic diagram of the structure of the cushion block and positioning rod of the present application. DETAILED DESCRIPTION

[0027] In order to make the purpose, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are some of the embodiments of the present application, but not all the embodiments of the present application. Based on the embodiments in the present application, all the other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.

[0028] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this application belongs; the terminology used in the description of the specification of the present application is only for the purpose of describing specific embodiments, and is not intended to limit the present application; the terms "comprise" and "have" and any variations thereof in the specification and claims of the present application and the description of the drawings are intended to cover non-exclusive inclusion.

[0029] ​Reference to an "example" in this text means that a particular feature, structure, or characteristic described in connection with the example can be included in at least one example of the application. The appearances of the phrase "in an example" in various places in the specification are not necessarily all referring to the same example, nor are they necessarily mutually exclusive of one another. As will be apparent to those of ordinary skill in the art, embodiments described herein can be combined with other embodiments.

[0030] As shown in Figures 1-8 The application provides a processing equipment for impeller thread, which comprises a workbench 1, a limiting mechanism 3, a tapping mechanism 4 and a chip removal mechanism 5, the top of the workbench 1 is provided with a work tank 2;

[0031] In addition, the limiting mechanism 3 is arranged on the cushion block 21 of the work tank 2 and is used for fixing the impeller 7 to be processed, the limiting mechanism 3 further comprises positioning rods 33, the positioning rods 33 are arranged on the cushion block 21 in a plurality of and are distributed uniformly, the cushion block 21 is provided with chip removal holes 211 which are communicated to the side surface of the cushion block 21 between the positioning rods 33, so as to facilitate the removal of the generated waste chips from the bottom when the impeller 7 is penetrated, the limiting ring 31 is provided with a mounting groove 34 which cooperates with the top of the impeller 7, the limiting ring 31 is provided with a plug hole 35 which cooperates with the positioning rod 33 in the mounting groove 34, and the limiting ring 31 is connected with the positioning rod 33 through the bolt inserted into the plug hole 35.

[0032] In addition, the tapping mechanism 4 is arranged in the work tank 2 and is used for thread processing at the center of the impeller 7, the tapping mechanism 4 further comprises a pneumatic cylinder 43 and a driving motor 46, the cylinder body of the pneumatic cylinder 43 is mounted on a fixed frame 44 in the work tank 2, the sliding rail of the fixed frame 44 is slidingly connected with a lifting frame 45 which is connected with the piston rod of the pneumatic cylinder 43, the driving motor 46 is mounted on the lifting frame 45 and is provided with a fixing seat 42 on the output shaft, the tap 41 is inserted into the fixing seat 42 and is connected with the fixing seat 42 through the bolt.

[0033] It should be noted that the chip removal mechanism 5 is arranged in the limiting ring 31 of the limiting mechanism 3 and is used for removing the waste chips generated during the processing of the impeller 7 and cleaning the inner cavity 32 of the limiting ring 31 under the action of the fixing seat 42 on the tap 41 of the tapping mechanism 4, the chip removal mechanism 5 comprises an annular pipe 51, branch pipes 52 and a cleaning assembly 54, the inner cavity 32 is arranged in a plurality of and is distributed uniformly along the inner circumference of the limiting ring 31, the adjacent two inner cavities 32 are communicated, the annular pipe 51 is sleeved on the limiting ring 31 and is communicated with the corresponding inner cavities 32 through the branch pipes 52 respectively, and the annular pipe 51 is connected with a chip suction pump through a main pipe 53;

[0034] In addition, the annular tube 51 is provided with a cleaning assembly 54 for cleaning the residual waste on each inner cavity 32, the cleaning assembly 54 comprises a pressing rod 540, a connecting plate 543, a driving plate 545 and a brush 549, the pressing rod 540 is slidingly connected to the limiting ring 31 and the top of the pressing rod 540 is provided with a baffle one 541, a spring one 542 is sleeved between the limiting ring 31 and the baffle one 541, one end of the connecting plate 543 is hingedly connected to the fixed plate 544 at the bottom of the pressing rod 540 through a pin shaft, the driving plate 545 is in the shape of "L" and is hingedly connected to the vertical plate 546 in the inner cavity 32 through a pin shaft, the driving plate 545 is hingedly connected to the other end of the connecting plate 543 through a pin shaft, the driving plate 545 is provided with a lower extension frame 547, the brush 549 is provided with a sliding rod 548 which is slidingly connected to the lower extension frame 547, the sliding rod 548 is provided with a plurality of spring twos 5482 and the top of the sliding rod 548 is provided with a baffle two 5481.

[0035] In addition, the side surface of the limiting ring 31 is provided with a support plate 6, the support plate 6 is provided with a cooling liquid pipe 61 which is connected to a cooling liquid pump, and the cooling liquid pipe 61 is used for cooling and cooling the tap 41 during tapping.

[0036] Specific implementation and principles:

[0037] The impeller 7 to be thread processed is sleeved on the positioning rod 33 on the cushion block 21 through the mounting hole on the impeller 7, then the limiting ring 31 is sleeved on the top of the impeller 7 through the mounting groove 34 on the limiting ring 31, and the positioning rod 33 is inserted into the insertion hole 35 on the limiting ring 31, then the limiting ring 31 and the positioning rod 33 are fixed through the bolts, the nozzle angle of the cooling liquid pipe 61 is adjusted to face the top of the impeller 7, the cooling liquid pump is turned on to spray the cooling liquid to the impeller 7 through the cooling liquid pipe 61, and the dust suction pump is turned on at the same time.

[0038] Then, the driving motor 46 is turned on and the piston rod of the air cylinder 43 is controlled to be elongated, the output shaft of the driving motor 46 drives the tap 41 to rotate, the piston rod of the air cylinder 43 drives the tap 41 to move downward, the tap 41 is used for tapping the impeller 7, the waste generated in the tapping process is located in the limiting ring 31, and the dust suction pump is used for sucking out the waste in the inner cavity 32 of the limiting ring 31 through the main pipe 53 and the branch pipe 52.

[0039] When the tap 41 moves downward to the lowest position, the fixing seat 42 on the tap 41 contacts the baffle one 541 on the pressing rod 540 of the cleaning assembly 54, the baffle one 541 is pressed downward, in the process that the pressing rod 540 moves downward, the connecting plate 543 drives the driving plate 545 to rotate, so that the brush 549 on the lower extension frame 547 rotates, the brush 549 is used for cleaning the waste deposited at the bottom of the inner cavity 32 of the limiting ring 31, and the dust suction pump is used for sucking outward.

[0040] The above-described embodiments of the present application are not to be taken as limiting the scope of the present application. Any modification of structure, equivalent substitutions of means, and improvements thereon which do not depart from the spirit and principles of the present application are to be embraced in the scope of the present application as defined in the following claims.

Claims

1. A device for machining a thread of an impeller, characterized in that: Including workbench (1), limiting mechanism (3), tapping mechanism (4) and chip removal mechanism (5), the top of workbench (1) is equipped with work tank (2); The limiting mechanism (3) is arranged on the cushion block (21) of the work tank (2) and is used for fixing the impeller (7) to be processed; The tapping mechanism (4) is arranged in the work tank (2) and is used for thread processing at the center of the impeller (7); The chip removal mechanism (5) is arranged in the limiting ring (31) of the limiting mechanism (3) and is used for discharging the waste chips generated during the processing of the impeller (7) and cleaning the inner cavity (32) of the limiting ring (31) under the action of the fixing seat (42) on the tap (41) of the tapping mechanism (4); The chip removal mechanism (5) includes an annular pipe (51), a branch pipe (52) and a cleaning assembly (54), the inner cavity (32) is provided with a plurality of and is distributed along the inner circumference of the limiting ring (31), the adjacent two inner cavities (32) are communicated, the annular pipe (51) is sleeved on the limiting ring (31) and is communicated with the corresponding inner cavity (32) through the branch pipe (52), the annular pipe (51) is connected with the chip suction pump through the main pipe (53), and the annular pipe (51) is provided with a cleaning assembly (54) for cleaning residual waste chips on each inner cavity (32); The cleaning assembly (54) includes a pressing rod (540), a connecting plate (543), a driving plate (545) and a brush (549), the pressing rod (540) is connected on the limiting ring (31) and the top of the pressing rod (540) is provided with a baffle one (541), the pressing rod (540) is sleeved with a spring one (542) between the limiting ring (31) and the baffle one (541), one end of the connecting plate (543) is hinged with the fixed plate (544) at the bottom of the pressing rod (540) through a pin shaft, the driving plate (545) is hinged with the vertical plate (546) in the inner cavity (32) through a pin shaft, the driving plate (545) is hinged with the other end of the connecting plate (543) through a pin shaft, the driving plate (545) is provided with a lower extension frame (547), the brush (549) is provided with a sliding rod (548) which is connected with the lower extension frame (547) in sliding mode, the top of the sliding rod (548) is provided with a baffle two (5481), the sliding rod (548) is sleeved with a spring two (5482) between the lower extension frame (547) and the brush (549).

2. The apparatus for machining a screw thread of a vane according to claim 1, characterized in that: The limiting mechanism (3) further includes a positioning rod (33), the positioning rod (33) is provided with a plurality of and is distributed on the cushion block (21), the limiting ring (31) is provided with a mounting groove (34) matched with the top of the impeller (7), the limiting ring (31) is provided with a plug hole (35) matched with the positioning rod (33) in the mounting groove (34), and the limiting ring (31) is connected with the positioning rod (33) through the bolt inserted into the plug hole (35).

3. The apparatus for machining a screw thread of a vane according to claim 1, characterized in that: The tapping mechanism (4) further comprises a cylinder (43) and a driving motor (46), a cylinder body of the cylinder (43) is installed on a fixed frame (44) in the working box (2), a lifting frame (45) connected with a piston rod of the cylinder (43) is slidingly connected on a slide rail of the fixed frame (44), the driving motor (46) is installed on the lifting frame (45) and a fixing seat (42) is arranged on an output shaft of the driving motor (46), the tap (41) is inserted into the fixing seat (42) and connected with the fixing seat (42) through bolts.

4. The apparatus of claim 1, wherein: The driving plate (545) is in the shape of "L".

5. The apparatus for machining a screw thread of a vane according to claim 1, characterized by: The slide rod (548) is provided with a plurality of.

6. The apparatus for machining a screw thread of a vane according to claim 2, characterized by: The cushion block (21) is provided with a chip removal hole (211) communicated to the side surface of the cushion block (21) between the positioning rods (33).

7. The apparatus of claim 1, wherein: The side surface of the limiting ring (31) is provided with a supporting plate (6), and the supporting plate (6) is provided with a cooling liquid pipe (61) connected with a cooling liquid pump.

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