CN220311783U - Special machine tool for machining water pump shell - Google Patents

Special machine tool for machining water pump shell Download PDF

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Publication number
CN220311783U
CN220311783U CN202321612926.7U CN202321612926U CN220311783U CN 220311783 U CN220311783 U CN 220311783U CN 202321612926 U CN202321612926 U CN 202321612926U CN 220311783 U CN220311783 U CN 220311783U
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China
Prior art keywords
tail table
tail
clamp
workpiece
water pump
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Active
Application number
CN202321612926.7U
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Chinese (zh)
Inventor
薛丹
刘洪强
周永胜
孙茂悦
戚远大
翟晓飞
李安
岳连峰
路阳
吕文卓
杨司晨
彭东彪
孙道金
李航
杜秋实
白雅静
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SHENYANG MACHINE TOOL CO Ltd
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SHENYANG MACHINE TOOL CO Ltd
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Priority to CN202321612926.7U priority Critical patent/CN220311783U/en
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Abstract

The utility model relates to a special machine tool for processing a water pump shell, which has the structure that: one side of the upper surface of the lathe bed is connected with a profiling clamp through an electric spindle; a tail table is arranged on the other side of the upper surface of the lathe bed, a jacking clamp is connected to the tail table, a workpiece is clamped and positioned between the profiling clamp and the jacking clamp, a long strip hole is formed in the circumferential surface of the jacking clamp, and the length direction of the long strip hole is consistent with the axial direction of the jacking clamp; the lathe bed at the rear of the workpiece is provided with a 30-degree integral inclined plane, the inclined plane is connected with a saddle through a Z-axis feeding device, the upper surface of the saddle is connected with a sliding plate through an X-axis feeding device, the sliding plate is connected with a servo tool rest, a tool on the servo tool rest corresponds to the position of the outer circular surface of the workpiece or is inserted into a strip hole, and the tool nose corresponds to the surface position of the inner hole of the workpiece. The special machine tool tail table can tightly jack the workpiece and simultaneously process the inner hole of the workpiece from the inside of the tail table jack fixture, so that the interference between the cutter and the jack fixture is avoided, and the processing efficiency and the processing precision are improved.

Description

Special machine tool for machining water pump shell
Technical Field
The utility model relates to a special machine tool for machining a water pump shell, and belongs to the technical field of machine tool equipment manufacturing.
Background
The existing thin-wall water pump shell is an important part of a novel water pump, because the outer walls of two sides are small in size, clamping deformation is easy to occur when a workpiece is clamped, and the following difficulties are brought to processing:
1. when the machine tool tail table is tightly propped against a workpiece, the tail table body part occupies the running space of the cutter, so that the cutter is difficult to enter the inner hole of the workpiece, and cutting machining is realized;
2. when the boring tool of the machine tool processes the inner hole of a workpiece, scrap iron is easy to wind on the cutter bar, and when the next workpiece is processed, the scrap iron is easy to scrape with the tail table propping clamp and the inner hole of the workpiece, so that the cutting effect is affected.
Disclosure of Invention
The utility model aims to solve the technical problem of providing a special machine tool for processing a water pump shell, wherein a tool can process an inner hole of a workpiece from the inside of a clamping apparatus tightly pressed by a tail table when the tail table of the special machine tool tightly presses the workpiece, so that interference between the tool and the clamping apparatus tightly pressed by the tail table is avoided, and the processing efficiency and the processing precision are improved.
In order to solve the problems, the specific technical scheme of the utility model is as follows: the special machine tool for machining the water pump shell is characterized in that an electric spindle box is arranged on one side of the upper surface of the machine body, the electric spindle box is connected with a profiling clamp through an electric spindle, and the central axis of the profiling clamp is consistent with the length direction of the machine body; a tail table is arranged on the other side of the upper surface of the lathe bed, a jacking clamp is connected to the tail table, a workpiece is clamped and positioned between the profiling clamp and the jacking clamp, a long strip hole is formed in the circumferential surface of the jacking clamp, and the length direction of the long strip hole is consistent with the axial direction of the jacking clamp; the lathe bed at the rear of the workpiece is provided with a 30-degree integral inclined plane, the inclined plane is connected with a saddle through a Z-axis feeding device, the upper surface of the saddle is connected with a sliding plate through an X-axis feeding device, the sliding plate is connected with a servo tool rest, a tool on the servo tool rest corresponds to the position of the outer circular surface of the workpiece or is inserted into a strip hole, and the tool nose corresponds to the surface position of the inner hole of the workpiece.
The tail table comprises a tail table upper body, a tail table lower body and a tail table guide rail; a sliding groove is arranged in the length direction of the tail table guide rail, and the lower body of the tail table is fixedly locked on the tail table guide rail through two tail table locking bottom plates arranged in parallel in the sliding groove; the upper surface of the lower body of the tail table is connected with the upper body of the tail table, and a tightening clamp is arranged on the upper body of the tail table; the lower surface of the tail table guide rail is connected with the lathe bed.
The tail table upper body comprises a shell and a sleeve, the sleeve is positioned in a through hole of the shell, one end of the sleeve is connected with a piston rod of a hydraulic cylinder through a floating block, and a cylinder seat of the hydraulic cylinder is connected to the end part of the shell; the other end of the sleeve penetrates out of the shell and is connected with the tightening clamp.
The floating block is positioned at one end of the sleeve close to the hydraulic cylinder, a limiting table is arranged on the floating block, the large-diameter end of the limiting table of the floating block is in coaxial clearance fit with the sleeve, the small-diameter end of the floating block penetrates through the cover plate to be connected with a piston rod of the hydraulic cylinder, and the cover plate is connected with the end face of the sleeve through a screw.
The rear tail end of the propping clamp is of a taper shank structure and is coaxially matched with a taper hole at the end part of the sleeve.
The circumference of the sleeve is fixedly connected with a translation plate; a detection rod and two clamping proximity switches are arranged in a cavity in the upper body of the tail table, an induction block is arranged on the detection rod, and the end part of the detection rod extends out of the upper body of the tail table and is connected with the translation plate; and the two clamping proximity switches are respectively positioned at two extreme positions of the sensing block.
The tail table lower body is internally provided with a bolt penetrating through the width direction of the tail table, and one end of the bolt extends out of the tail table lower body and is inserted into a bolt hole formed in the saddle.
A handle is arranged at one end of the bolt, which is far away from the saddle, and a gear limiting device is arranged between the handle and the lower body of the tail table; an induction groove is formed in the outer circumference of the bolt, a linkage proximity switch is arranged in the tail table, and the position of the linkage proximity switch corresponds to the position of the induction groove.
The gear limiting device comprises a gear flange, a spring and steel balls, wherein a through hole on the gear flange is in sealing fit with a bolt, and two annular gear grooves are formed in the bolt; the radial direction of the gear flange is provided with a threaded through hole, a radial screw is arranged in the threaded through hole, a spring is arranged in the inner cavity of the radial screw, the steel ball is pressed in one of the gear grooves, and the outer end part of the radial screw extends out of the gear flange and is connected with and pressed on the gear flange through a nut thread.
The upper surface of the lathe bed is provided with a vertical headstock vertical plate, the headstock vertical plate separates the electric spindle box out of a processing area, the surface of the headstock vertical plate, which is positioned in the processing area, is provided with a chip remover, and the end part of the chip remover is provided with a barb for removing chips.
The special machine tool for processing the water pump shell adopts the structure and has the following advantages:
1. the lathe bed is provided with an X-axis feeding device and a Z-axis feeding device, a servo tool rest is driven to perform feeding motion, a workpiece is positioned through a tightening clamp with a strip hole, and cutting machining of the cutter on the excircle, the inner hole and the end face of the workpiece is realized; the machine tool is reasonable in layout and small in occupied area, and plays an important role in improving the automation degree of the machine tool and improving the production efficiency;
2. because the workpiece is of a thin-wall structure, stable fixation of two sides of the workpiece is realized by adopting the profiling clamp and the tail table propping clamp, and in order to avoid interference between an inner hole of the machined workpiece and the tail table propping clamp, a cutter enters the inside of the propping clamp, so that cutting machining of the inner hole of the workpiece is realized;
3. the tail table jacking clamp is fixed on the sleeve, the sleeve is driven to extend through the hydraulic cylinder, the jacking clamp realizes jacking fixation of a workpiece, meanwhile, the jacking clamp supporting rod is prolonged, and the tool is convenient to process an inner hole of the workpiece;
4. the design of the inverted hook-shaped chip remover solves the problem that when the boring tool processes the inner hole of a workpiece, the scrap iron is wound on the cutter bar to influence the subsequent processing, and the chip removing function of the machine tool is realized.
Drawings
Fig. 1 is a perspective view of a special machine tool for machining a water pump housing.
Fig. 2 is a perspective view of the tail table.
Fig. 3 is a cross-sectional view of the tail table (work released state).
Fig. 4 is a partial enlarged view of fig. 3.
Fig. 5 is a structure diagram of the tightening state of the tightening clamp.
Fig. 6 is a sectional view A-A of fig. 5.
Fig. 7 is a sectional view B-B of fig. 3 (the latch is in a state of being inserted into the saddle).
Fig. 8 is a partial enlarged view of fig. 7.
Fig. 9 is a view showing a structure of the latch and saddle in a released state.
Detailed Description
As shown in fig. 1 to 6, a special machine tool for processing a water pump shell is provided with an electric spindle box 6 on one side of the upper surface of a machine body 1, the electric spindle box 6 is connected with a profiling clamp 2 through an electric spindle, and the central axis of the profiling clamp 2 is consistent with the length direction of the machine body 1; the other side of the upper surface of the lathe bed 1 is provided with a tail table 4, the tail table 4 is connected with a jacking clamp 7, a workpiece 5 is clamped and positioned between the profiling clamp 2 and the jacking clamp 7, the circumferential surface of the jacking clamp 7 is provided with a strip hole, the length direction of the strip hole is consistent with the axis direction of the jacking clamp 7, as shown in fig. 6, a boring cutter 63 is inserted into the jacking clamp 7 through the strip hole, and the inner hole of the workpiece 5 is processed; the lathe bed 1 positioned at the rear of the workpiece 5 is provided with a 30-degree integral inclined plane, the inclined plane is connected with a saddle 8 through a Z-axis feeding device, the upper surface of the saddle 8 is connected with a sliding plate through an X-axis feeding device, the sliding plate is connected with a servo tool rest 3, a tool on the servo tool rest 3 corresponds to the position of the outer circular surface of the workpiece 5 or is inserted into a strip hole, and the tool nose corresponds to the position of the surface of the inner hole of the workpiece.
As shown in fig. 2, the tail table 4 includes a tail table upper body 41, a tail table lower body 42, and a tail table guide rail 43; a sliding groove is arranged in the length direction of the tail table guide rail 43, and the tail table lower body 42 is locked and fixed on the tail table guide rail 43 through two tail table locking bottom plates 44 which are arranged in parallel in the sliding groove; the upper surface of the tail table lower body 42 is connected with the tail table upper body 41, and the top clamping apparatus 7 is arranged on the tail table upper body 41; the lower surface of the tail table guide rail 43 is connected with the lathe bed 1. The tail table guide rail 43 adopts a structure which is separated from the lathe bed 1 independently, the tail table 4 adopts a vertical separation structure, and the tail table guide rail 43 and the tail table lower body 42 which are suitable for replacement can be replaced according to the guide rail form required by the lathe, so that the machine tool is suitable for modularized design and has better universality.
As shown in fig. 3 to 4, the tail table upper body 41 includes a housing 46 and a sleeve 47, the sleeve 47 is located in a through hole of the housing 46, one end of the sleeve 47 is connected with a piston rod of a hydraulic cylinder 48 through a slider 49, and a cylinder seat of the hydraulic cylinder 48 is connected at an end of the housing 46; the other end of the sleeve 47 extends out of the housing 46 and is connected to the tightening clamp 7.
The slider 49 is located at one end of the sleeve 47 close to the hydraulic cylinder 48, a limiting table is arranged on the slider 49, the large-diameter end of the slider 49 with the limiting table is in coaxial clearance fit with the sleeve 47, the small-diameter end of the slider 49 penetrates through the cover plate 40 to be connected with a piston rod of the hydraulic cylinder 48, and the cover plate 40 is connected with the end face of the sleeve 47 through screws. The movable maximum stroke of the jacking clamp 7 is 100mm, the jacking clamp is driven by the hydraulic cylinder 48, the sleeve 47 is connected with the hydraulic cylinder 48 through the floating block 49, and the clearance fit of the floating block 49 counteracts the problem of poor coaxiality of the sleeve 47 and the hydraulic cylinder 48 in the moving process, so that the axial movement is ensured to be smooth.
The rear tail end of the jacking clamp 7 is of a taper shank structure and is coaxially matched with a taper hole at the end part of the sleeve 47. The jacking clamp 7 adopts taper fit, so that coaxiality is better.
The circumference of the sleeve 47 is fixedly connected with a translation plate 54; a detection rod 51 and two clamping proximity switches 52 are arranged in a cavity in the tail table upper body 41, an induction block 50 is arranged on the detection rod 51, and the end part of the detection rod 51 extends out of the tail table upper body 41 and is connected with a translation plate 54; and two clamp proximity switches 52 are respectively located at two extreme positions of the sensing block 50.
As shown in fig. 5, when the tightening clamp 7 extends, the sleeve 47 drives the translation plate 54 to move along with the detection rod 51 in the main shaft direction, when the sensing block 50 on the detection rod 51 moves to a position for clamping the proximity switch 52, the proximity switch 52 feeds back a signal to the system, and at the moment, the system controls the sleeve 47 to stop acting, and the tightening clamp 7 tightens the workpiece 5 as required; when the workpiece 5 needs to be loosened, the sleeve 47 drives the translation plate 54 to move along with the detection rod 51 in the opposite direction of the main shaft, when the sensing block 50 on the detection rod 51 moves back to the initial position of the clamping proximity switch 52, the proximity switch 52 feeds back signals to the system, the sleeve 47 stops acting, the jacking clamp 7 returns to the initial position, and the workpiece 5 can be removed as shown in fig. 3.
As shown in fig. 7 to 8, a latch 55 penetrating through the width direction of the tail table 4 is provided in the tail table lower body 42, and one end of the latch 55 extends out of the tail table lower body 42 and is inserted into a latch hole provided in the saddle 8. A handle 60 is arranged at one end of the latch 55 far away from the saddle 8, and a gear limiting device is arranged between the handle 60 and the tail table lower body 42; an induction groove is arranged on the outer circumference of the bolt 55, a linkage proximity switch 53 is arranged in the tail table 4, and the position corresponds to the position of the induction groove. The gear limiting device comprises a gear flange 61, a spring 57 and a steel ball 58, wherein a through hole on the gear flange 61 is in sealing fit with a bolt 55, and two annular gear grooves are formed in the bolt 55; the radial direction of the gear flange 61 is provided with a threaded through hole, a radial screw 59 is arranged in the threaded through hole, a spring 57 is arranged in the inner cavity of the radial screw 59 and compresses steel balls 58 in one of the gear grooves, and the outer end part of the radial screw 59 extends out of the gear flange 61 and is connected with threads through a nut 56 and compressed on the gear flange 61 to play a role in looseness prevention.
When the bolt 55 is inserted into the saddle 8, an operator pushes the bolt to move towards the saddle 8 by 20mm through the handle 60, the gear groove at the outer side of the bolt 55 moves to a position corresponding to the steel ball 58, the steel ball 58 is jacked into the gear groove of the bolt 55 under the elastic force of the spring 57 in the screw 59, at the moment, the front end of the bolt 55 is inserted into the bolt hole of the saddle 8, and the saddle 8 can drive the tail table 4 to integrally move.
As shown in fig. 9, when the operator pulls the latch 55 in the opposite direction through the handle 60, the steel balls 58 in the gear slots are pushed back into the screw 59 by the latch 55, the spring 57 is compressed at this time, the inner gear slots are moved to the positions corresponding to the steel balls 58 again after the moving stroke reaches 20mm, the steel balls 58 are pushed into the gear slots again under the elastic force of the spring 57, at this time, the latch 55 is completely separated from the saddle 8, the linkage proximity switch 53 is separated through the sensing groove and a feedback signal is given to the system, and the saddle 8 can freely move without interference with the tail table 4 by default.
As shown in fig. 1, a vertical headstock 10 is provided on the upper surface of the bed 1, the headstock 10 separates the electric spindle box 6 from the machining area, a chip remover 9 is provided on the surface of the headstock 10 in the machining area, and a barb for removing chips is provided at the end of the chip remover 9. When the boring cutter 63 turns an inner hole of a workpiece, scrap iron is easy to wind on a cutter bar to affect subsequent processing, after the boring cutter 63 finishes processing, the boring cutter moves to the position of the scrap remover 9 to form fit with a barb, and scrap iron on the cutter bar can be scraped smoothly in the cutter returning process, so that the scrap removing function of the machine tool is realized.

Claims (10)

1. A special lathe for processing water pump shell, its characterized in that: an electric spindle box (6) is arranged on one side of the upper surface of the lathe bed (1), the electric spindle box (6) is connected with a profiling clamp (2) through an electric spindle, and the central axis of the profiling clamp (2) is consistent with the length direction of the lathe bed (1); a tail table (4) is arranged on the other side of the upper surface of the lathe bed (1), a jacking clamp (7) is connected to the tail table (4), a workpiece (5) is clamped and positioned between the profiling clamp (2) and the jacking clamp (7), a long strip hole is formed in the circumferential surface of the jacking clamp (7), and the length direction of the long strip hole is consistent with the axial direction of the jacking clamp (7); the lathe bed (1) located at the rear of the workpiece (5) is provided with a 30-degree integral inclined plane, the inclined plane is connected with a saddle (8) through a Z-axis feeding device, the upper surface of the saddle (8) is connected with a sliding plate through an X-axis feeding device, the sliding plate is connected with a servo tool rest (3), a tool on the servo tool rest (3) corresponds to the position of the outer circular surface of the workpiece (5) or is inserted into a strip hole, and the tool tip corresponds to the surface position of the inner hole of the workpiece.
2. The special machine for machining a water pump housing of claim 1, wherein: the tail table (4) comprises a tail table upper body (41), a tail table lower body (42) and a tail table guide rail (43); a sliding groove is arranged in the length direction of the tail table guide rail (43), and the tail table lower body (42) is locked and fixed on the tail table guide rail (43) through two tail table locking bottom plates (44) which are arranged in parallel in the sliding groove; the upper surface of the tail table lower body (42) is connected with the tail table upper body (41), and the top tightening clamp (7) is arranged on the tail table upper body (41); the lower surface of the tail table guide rail (43) is connected with the lathe bed (1).
3. The special machine for machining a water pump housing according to claim 2, wherein: the tail table upper body (41) comprises a shell (46) and a sleeve (47), the sleeve (47) is positioned in a through hole of the shell (46), one end of the sleeve (47) is connected with a piston rod of a hydraulic cylinder (48) through a floating block (49), and a cylinder seat of the hydraulic cylinder (48) is connected with the end part of the shell (46); the other end of the sleeve (47) penetrates out of the shell (46) and is connected with the tightening clamp (7).
4. A special machine for machining a water pump housing according to claim 3, wherein: the slider (49) is located one end of the sleeve (47) close to the hydraulic cylinder (48), a limiting table is arranged on the slider (49), the large-diameter end of the slider (49) with the limiting table is in coaxial clearance fit with the sleeve (47), the small-diameter end of the slider (49) penetrates through the cover plate (40) to be connected with a piston rod of the hydraulic cylinder (48), and the cover plate (40) is connected with the end face of the sleeve (47) through a screw.
5. A special machine for machining a water pump housing according to claim 3, wherein: the rear tail end of the jacking clamp (7) is of a taper shank structure and is coaxially matched with a taper hole at the end part of the sleeve (47).
6. A special machine for machining a water pump housing according to claim 3, wherein: the circumference of the sleeve (47) is fixedly connected with a translation plate (54); a detection rod (51) and two clamping proximity switches (52) are arranged in a cavity in the tail table upper body (41), an induction block (50) is arranged on the detection rod (51), and the end part of the detection rod (51) extends out of the tail table upper body (41) to be connected with a translation plate (54); and two clamping proximity switches (52) are respectively positioned at two extreme positions of the sensing block (50).
7. The special machine for machining a water pump housing according to claim 2, wherein: a bolt (55) penetrating through the width direction of the tail table (4) is arranged in the tail table lower body (42), and one end of the bolt (55) extends out of the tail table lower body (42) and is inserted into a bolt hole formed in the saddle (8).
8. The special machine for machining a water pump housing of claim 7, wherein: a handle (60) is arranged at one end of the bolt (55) far away from the saddle (8), and a gear limiting device is arranged between the handle (60) and the tail table lower body (42); an induction groove is arranged on the outer circumference of the bolt (55), a linkage proximity switch (53) is arranged in the tail table (4), and the position of the linkage proximity switch corresponds to the position of the induction groove.
9. The special machine for machining a water pump housing of claim 8, wherein: the gear limiting device comprises a gear flange (61), a spring (57) and steel balls (58), wherein a through hole in the gear flange (61) is in sealing fit with a bolt (55), and two annular gear grooves are formed in the bolt (55); the gear flange (61) is radially provided with a threaded through hole, a radial screw (59) is arranged in the threaded through hole, a spring (57) is arranged in an inner cavity of the radial screw (59) and compresses a steel ball (58) in one of the gear grooves, the outer end part of the radial screw (59) extends out of the gear flange (61), and is in threaded connection with and compressed on the gear flange (61) through a nut (56).
10. The special machine for machining a water pump housing of claim 1, wherein: the upper surface of the lathe bed (1) is provided with a vertical headstock vertical plate (10), the headstock vertical plate (10) separates the electric spindle box (6) outside a processing area, the surface of the headstock vertical plate (10) positioned in the processing area is provided with a chip remover (9), and the end part of the chip remover (9) is provided with a barb for removing chips.
CN202321612926.7U 2023-06-25 2023-06-25 Special machine tool for machining water pump shell Active CN220311783U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202321612926.7U CN220311783U (en) 2023-06-25 2023-06-25 Special machine tool for machining water pump shell

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202321612926.7U CN220311783U (en) 2023-06-25 2023-06-25 Special machine tool for machining water pump shell

Publications (1)

Publication Number Publication Date
CN220311783U true CN220311783U (en) 2024-01-09

Family

ID=89422996

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202321612926.7U Active CN220311783U (en) 2023-06-25 2023-06-25 Special machine tool for machining water pump shell

Country Status (1)

Country Link
CN (1) CN220311783U (en)

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