CN213827026U - Special frock of eccentric shaft car processing - Google Patents

Abstract

The utility model discloses a special tool for turning eccentric shafts, which comprises a workbench, a lifting adjusting structure and a turning depth adjusting structure; a workbench: supporting legs are symmetrically arranged at four corners of the lower surface of the workbench, a motor II is arranged on the front side of the lower surface of the workbench, an output shaft of the motor II penetrates through a through hole in the front side of the lower surface of the workbench, a clamping rotary table is arranged at the upper end, sliding grooves which are uniformly distributed in an annular mode are formed in the upper surface of the clamping rotary table, arc blocks are connected to the inner portions of the sliding grooves in a sliding mode, rubber blocks are arranged at the top ends of the inner arc surfaces of the arc blocks, through holes are formed in the upper surfaces of the arc blocks, clamping grooves are formed in the centers of the upper surfaces of the clamping rotary table, positioning holes are formed in one ends, close to the clamping grooves, of the inner portions of the sliding grooves and correspond to the through holes in position, and a transverse fixing plate is arranged on the rear side of the upper surface of the workbench; this special frock of eccentric shaft car processing, the lift distance of stable control tool bit satisfies the demand to different depth of working.

Description

Special frock of eccentric shaft car processing

Technical Field

The utility model relates to a car processing technology field specifically is a special frock of eccentric shaft car processing.

Background

The eccentric shaft is generally fixed on a rotating shaft of a second motor through an eccentric hole, and when the second motor is started, the eccentric shaft performs cam motion, so the turning machine is widely applied to automobiles, engines, pumps and the like, in mechanical transmission, the rotary motion is changed into reciprocating linear motion or the reciprocating linear motion is changed into rotary motion, generally the turning machine is completed by utilizing eccentric parts, the turning machine is mainly used for processing various rotary surfaces such as inner and outer cylindrical surfaces, conical surfaces, formed rotary surfaces, end surfaces and the like, a lathe can also process thread surfaces, but in the processing process, the workpiece needs to be adjusted according to the processing position and depth, the operation is complicated, the lifting distance of a tool bit cannot be stably controlled, the quality of a product is influenced, the lifting of the tool bit cannot be controlled, and the eccentric shafts with different heights cannot be processed, the stable removal that can not control the tool bit, the unable stable control car depth of processing can not satisfy the demand to different depth of processing, consequently is imperative for the realization of the special frock of eccentric shaft car processing of solving this type of problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide a special frock of eccentric shaft car processing, the lift distance of stable control tool bit satisfies the demand to different depth of working, can effectively solve the problem in the background art.

In order to achieve the above object, the utility model provides a following technical scheme: a special tool for turning an eccentric shaft comprises a workbench, a lifting adjusting structure and a turning depth adjusting structure;

a workbench: supporting legs are symmetrically arranged at four corners of the lower surface of the workbench, a motor II is arranged on the front side of the lower surface of the workbench, an output shaft of the motor II penetrates through a through hole in the front side of the lower surface of the workbench, a clamping rotary table is arranged at the upper end, sliding grooves which are uniformly distributed in an annular mode are formed in the upper surface of the clamping rotary table, arc blocks are connected to the inner portions of the sliding grooves in a sliding mode, rubber blocks are arranged at the top ends of the inner arc surfaces of the arc blocks, through holes are formed in the upper surfaces of the arc blocks, clamping grooves are formed in the centers of the upper surfaces of the clamping rotary table, positioning holes are formed in one ends, close to the clamping grooves, of the inner portions of the sliding grooves and correspond to the through holes in position, and a transverse fixing plate is arranged on the rear side of the upper surface of the workbench;

the lifting adjustment structure: the lifting device comprises an adjusting component and a lifting component, wherein the adjusting component is arranged at the bottom end of the rear side surface of a fixed plate, the lifting component is arranged at the center of the upper surface of a workbench, and the adjusting component is meshed and connected with the lifting component;

turning depth adjusting structure: the lifting component is arranged on the upper surface of the lifting component;

wherein: still include the PLC controller, the PLC controller sets up in the upper surface of workstation, and external power source is connected to the input electricity of PLC controller, and the output of PLC controller is connected to the input electricity of motor two, the lift distance of stable control tool bit improves the quality of product, and the lift of control tool bit can be processed the eccentric shaft of co-altitude not, reduces the amount of operation, and the stable removal of control tool bit accomplishes the car processing to the eccentric shaft, and the degree of depth of stable control car processing satisfies the demand to different depth of processing.

Furthermore, the adjusting component comprises a first bevel gear, a rotating shaft and a first motor, the first motor is arranged at the bottom end of the rear side face of the fixing plate, an output shaft of the first motor penetrates through a through hole in the bottom end of the rear side face of the fixing plate, the rotating shaft is arranged at the front end, the first bevel gear is arranged at the front end of the rotating shaft, an input end of the first motor is electrically connected with an output end of the PLC, the lifting distance of the tool bit is stably controlled, and the quality of a product is improved.

Further, the lifting assembly comprises a lifting block, a screw rod, a first L-shaped rod and a second helical gear, the screw rod is connected with the upper surface of the workbench in a rotating mode through a bearing, the second helical gear is arranged at the bottom end of the screw rod and meshed with the first helical gear, the lifting block is connected to the middle of the screw rod in a threaded mode, the first L-shaped rod is arranged on the right side face of the lifting block, the first L-shaped rod is connected with the through hole in the upper surface of the workbench in a sliding mode through the vertical rod body of the first L-shaped rod, the lifting of the tool bit is controlled, eccentric shafts of different heights can be machined, and operation amount is reduced.

Further, turning degree of depth adjustment structure includes hydraulic pump, flexible post, two L shape poles and tool bit, the hydraulic pump sets up in the upper surface of elevator, the leading flank of elevator is equipped with flexible post, the hydraulic oil delivery outlet of hydraulic pump and the oil inlet intercommunication of flexible post, the flexible end front end of flexible post is equipped with two L shape poles, the vertical body of rod of two L shape poles and the through-hole sliding connection of elevator left surface lug, the horizontal body of rod leading flank of two L shape poles is equipped with the tool bit, the output of PLC controller is connected to the input electricity of hydraulic pump, the stable removal of control tool bit, accomplish the car processing to the eccentric shaft.

Further, the workstation upper surface is equipped with the dead lever, and the upper surface of dead lever is equipped with range sensor, and the vertical body of rod left side front end of L shape pole two is equipped with the lifter plate, and the lifter plate corresponds with range sensor's position, and PLC controller's input is connected to range sensor's output electricity, and the degree of depth of stable control car processing satisfies the demand to different depth of processing.

Compared with the prior art, the beneficial effects of the utility model are that: this special frock of eccentric shaft car processing has following benefit:

1. control motor is first just reversing, motor one drives the rotation axis and begins to rotate, because helical gear one is connected with the meshing of helical gear two, consequently under the rotation of rotation axis, it begins to rotate to drive the screw rod, because the middle part threaded connection of screw rod has the elevator, the vertical body of rod of L shape pole one and the through-hole sliding connection of workstation upper surface, consequently under the rotation of screw rod, it upwards or decurrent removal to drive the elevator, and then drive reciprocating of turning degree of depth adjustment structure, carry out car processing to the eccentric shaft of assigned position, the position of accurate definite car processing, can carry out car processing to the different positions of eccentric shaft, satisfy the processing demand.

2. Control the hydraulic pump through the PLC controller and begin work, the outside oil source of hydraulic oil input port connection of hydraulic pump, the hydraulic oil delivery outlet of hydraulic pump communicates with each other with the oil inlet of flexible post, under the pressure effect of hydraulic oil, it begins to extend to drive flexible post, and then drive L shape pole two and tool bit and move to the front side, the distance between range sensor real-time supervision of dead lever upper surface and the lifter plate this moment, when the distance between range sensor and the lifter plate reaches the setting value, reach the lathe work degree of depth of tool bit on the eccentric shaft promptly, satisfy the demand of processing, be convenient for process the eccentric shaft of the different degree of depth according to the processing requirement, the operation is simple and convenient, and the structure is stable.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the elevation adjustment structure of the present invention;

FIG. 3 is a schematic view of the turning depth adjusting structure of the present invention;

fig. 4 is a schematic view of the clamping turntable structure of the present invention.

In the figure: 1 workbench, 2 fixed rods, 3 distance measuring sensors, 4 lifting adjusting structures, 41 adjusting components, 411 bevel gear I, 412 rotating shaft, 413 motor I, 42 lifting components, 421 lifting block, 422 screw rod, 423L-shaped rod I, 424 bevel gear II, 5 turning depth adjusting structures, 51 hydraulic pump, 52 telescopic column, 53L-shaped rod II, 54 tool bit, 6 fixed plate, 7 PLC controller, 8 motor II, 9 clamping turntable, 10 supporting legs, 11 lifting plate, 12 rubber block, 13 sliding groove, 14 arc block, 15 through hole, 16 clamping groove, 17 positioning hole.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-4, the present invention provides a technical solution: a special tool for turning an eccentric shaft comprises a workbench 1, a lifting adjusting structure 4 and a turning depth adjusting structure 5;

a workbench 1: supporting legs 10 are symmetrically arranged at four corners of the lower surface of the worktable 1, a motor II 8 is arranged at the front side of the lower surface of the worktable 1, an output shaft of the motor II 8 penetrates through a through hole at the front side of the lower surface of the worktable 1 and is provided with a clamping turntable 9 at the upper end, the upper surface of the clamping turntable 9 is provided with sliding chutes 13 which are uniformly and annularly distributed, arc-shaped blocks 14 are respectively connected in the sliding chutes 13 in a sliding manner, rubber blocks 12 are respectively arranged at the top ends of the inner arc surfaces of the arc-shaped blocks 14, through holes 15 are respectively arranged on the upper surfaces of the arc-shaped blocks 14, a clamping groove 16 is arranged at the center of the upper surface of the clamping turntable 9, one ends of the sliding chutes 13, which are close to the clamping groove 16, positioning holes 17 correspond to the through holes 15, a transverse fixing plate 6 is arranged at the rear side of the upper surface of the worktable 1, the worktable 1 is placed on a horizontal working ground by using the supporting legs 10, one end of an eccentric shaft to be machined is inserted into the clamping groove 16, and the position of the eccentric shaft is fixed by hand, meanwhile, the arc-shaped blocks 14 slide inwards in the corresponding clamping grooves 16 until the inner side surfaces of the rubber blocks 12 are in close contact with the outer arc surfaces of the eccentric shafts, at the moment, the eccentric shafts are fixed at the positions of the clamping chucks 9 by using external bolts in threaded connection with the through holes 15 and the positioning holes 17, the second motor 8 is controlled to start to operate, the clamping chucks 9 are driven to start to rotate, and the stably-held eccentric shafts are driven to start to rotate;

lifting adjusting structure 4: the lifting mechanism comprises an adjusting component 41 and a lifting component 42, wherein the adjusting component 41 is arranged at the bottom end of the rear side face of a fixing plate 6, the lifting component 42 is arranged at the center of the upper surface of a workbench 1, the adjusting component 41 is connected with the lifting component 42 in a meshed mode, the adjusting component 41 comprises a first bevel gear 411, a rotating shaft 412 and a first motor 413, the first motor 413 is arranged at the bottom end of the rear side face of the fixing plate 6, an output shaft of the first motor 413 penetrates through a through hole at the bottom end of the rear side face of the fixing plate 6 and is provided with the rotating shaft 412 at the front end, the front end of the rotating shaft 412 is provided with the first bevel gear 411, the lifting component 42 comprises a lifting block 421, a screw 422, an L-shaped rod 423 and a second bevel gear 424, the screw 422 is rotatably connected with the upper surface of the workbench 1 through a bearing, the bottom end of the screw 422 is provided with the second bevel gear 424, the second bevel gear 424 is connected with the first bevel gear 411 in a meshed mode, and the middle part of the screw 422 is connected with the lifting block 421 in a threaded mode, the right side surface of the lifting block 421 is provided with a first L-shaped rod 423, a vertical rod body of the first L-shaped rod 423 is in sliding connection with a through hole in the upper surface of the workbench 1, the first motor 413 is controlled to start to rotate in the forward and reverse directions, the first motor 413 drives the rotating shaft 412 to start to rotate, and the first bevel gear 411 is in meshing connection with the second bevel gear 424, so that the screw 422 is driven to start to rotate under the rotation of the rotating shaft 412, the middle part of the screw 422 is in threaded connection with the lifting block 421, and the vertical rod body of the first L-shaped rod 423 is in sliding connection with the through hole in the upper surface of the workbench 1, so that the lifting block 421 is driven to move upwards or downwards under the rotation of the screw 422, further the vertical movement of the turning depth adjusting structure 5 is driven, and the eccentric shaft at a specified position is turned;

turning depth adjusting structure 5: the turning depth adjusting structure 5 comprises a hydraulic pump 51, a telescopic column 52, a second L-shaped rod 53 and a cutter head 54, the hydraulic pump 51 is arranged on the upper surface of the lifting block 421, the front side surface of the lifting block 421 is provided with the telescopic column 52, a hydraulic oil outlet of the hydraulic pump 51 is communicated with an oil inlet of the telescopic column 52, the front end of a telescopic end of the telescopic column 52 is provided with the second L-shaped rod 53, a longitudinal rod body of the second L-shaped rod 53 is in sliding connection with a through hole of a convex block on the left side surface of the lifting block 421, the cutter head 54 is arranged on the front side surface of a transverse rod body of the second L-shaped rod 53, the hydraulic pump 51 is controlled to start working, a hydraulic oil inlet of the hydraulic pump 51 is connected with an external oil source, a hydraulic oil outlet of the hydraulic pump 51 is communicated with an oil inlet of the telescopic column 52, the telescopic column 52 is driven to start to extend under the pressure action of the hydraulic oil, the second L-shaped rod 53 and the cutter head 54 are driven to move towards the front side, the longitudinal rod body of the second L-shaped rod 53 is in sliding connection with the through hole of the convex block 421, the stability of the tool bit 54 during turning is ensured, and no deviation is generated;

wherein: still include PLC controller 7, PLC controller 7 sets up in the upper surface of workstation 1, external power source is connected to PLC controller 7's input electricity, a motor 413, PLC controller 7's output is all connected to the input of hydraulic pump 51 and two 8 motors electricity, the lifting position of a motor 413 control tool bit 54 carries out the car processing to suitable position, the back-and-forth movement of hydraulic pump 51 control tool bit 54 satisfies the processing demand, motor two 8 realization are to the stable rotation of eccentric shaft.

Wherein: the upper surface of the workbench 1 is provided with a fixed rod 2, the upper surface of the fixed rod 2 is provided with a distance measuring sensor 3, the front end of the left side surface of a longitudinal rod body of the L-shaped rod II 53 is provided with a lifting plate 11, the lifting plate 11 corresponds to the position of the distance measuring sensor 3, the input end of a PLC (programmable logic controller) 7 is electrically connected with the output end of the distance measuring sensor 3, the distance between the distance measuring sensor 3 on the upper surface of the fixed rod 2 and the lifting plate 11 is monitored in real time, when the distance between the distance measuring sensor 3 and the lifting plate 11 reaches a set value, the turning depth of a tool bit 54 on an eccentric shaft is reached, the processing requirement is met, the distance measuring sensor 3 sends a signal to the PLC 7 at the moment, and the turning depth is controlled.

When in use: the workbench 1 is placed on a horizontal working ground by utilizing the supporting legs 10, one end of an eccentric shaft to be machined is inserted into the clamping groove 16, the position of the eccentric shaft is fixed by holding by hand, the arc-shaped block 14 slides inwards in the corresponding clamping groove 16 until the inner side surface of the rubber block 12 is tightly contacted with the outer arc surface of the eccentric shaft, at the moment, the position of the eccentric shaft on the clamping chuck 9 is fixed by utilizing an external bolt, the through hole 15 and the positioning hole 17 are in threaded connection, the motor II 8 is controlled by the PLC 7 to start running, the clamping chuck 9 is driven to start rotating, the eccentric shaft with stable clamping is driven to start rotating, at the moment, the motor I413 is controlled by the PLC 7 to start rotating forwards and backwards, the rotating shaft 412 is driven by the motor I413 to start rotating, and the helical gear I411 is meshed with the helical gear II 424, so that the screw 422 is driven to start rotating under the rotation of the rotating shaft 412, because the middle part of the screw 422 is connected with the lifting block 421 by screw thread, the vertical rod body of the first L-shaped rod 423 is connected with the through hole on the upper surface of the workbench 1 in a sliding manner, the lifting block 421 is driven to move upwards or downwards by the rotation of the screw 422, so as to drive the turning depth adjusting structure 5 to move up and down, the eccentric shaft at the designated position is processed by the vehicle, when the upper and lower positions are adjusted properly, the motor 413 is controlled by the PLC controller 7 to stop working and control the hydraulic pump 51 to start working, the hydraulic oil of the hydraulic pump 51 is connected with the external oil source of the input port, the hydraulic oil output port of the hydraulic pump 51 is communicated with the oil inlet of the telescopic column 52, the telescopic column 52 is driven to extend under the pressure action of the hydraulic oil, so as to drive the second L-shaped rod 53 and the cutter head 54 to move towards the front side, at the moment, the distance between the distance measuring sensor 3 on the upper surface of the fixed rod 2 and the lifting plate 11 is monitored in real time, when the distance between the distance measuring sensor 3 and the lifting plate 11 reaches a set value, namely the turning depth of the tool bit 54 on the eccentric shaft is reached to meet the processing requirement, the tool bit 54 turns the rotating eccentric shaft, at the moment, the distance measuring sensor 3 sends a signal to the PLC controller 7 to control the hydraulic pump 51 to stop working, meanwhile, the longitudinal rod body of the second L-shaped rod 53 is in sliding connection with the through hole of the convex block on the left side surface of the lifting block 421, so that the stability of the cutter head 54 during turning is ensured, no deviation is generated, after the turning is finished, the PLC controller 7 controls the hydraulic pump 51 to start oil absorption, and therefore, when the cutter head 54 is driven to move to a proper position towards the rear side, the hydraulic pump 51 is controlled to stop working, the PLC 7 is used for controlling the second motor 8 to stop running, the threaded connection between the through hole 15 and the positioning hole 17 by an external bolt is eliminated, the machined eccentric shaft is taken out, and the turning of the eccentric shaft is completed.

It should be noted that the specific model of the PLC controller 7 disclosed in this embodiment is siemens S7-200, the first motor 413 and the second motor 8 may be selected from wepont electromechanical ltd, dongguan, and the second motor 5IK150GU-S3F, the hydraulic pump 51 may be selected from 2CY1.1/14.5, which is manufactured by shanghai solar pump industry ltd, and the PLC controller 7 controls the first motor 413, the second motor 8 and the hydraulic pump 51 to operate by a method commonly used in the prior art.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (5)

1. The utility model provides a special frock of eccentric shaft car processing which characterized in that: comprises a workbench (1), a lifting adjusting structure (4) and a turning depth adjusting structure (5);

table (1): supporting legs (10) are symmetrically arranged at four corners of the lower surface of the workbench (1), a second motor (8) is arranged on the front side of the lower surface of the workbench (1), an output shaft of the second motor (8) penetrates through a through hole in the front side of the lower surface of the workbench (1) and is provided with a clamping turntable (9) at the upper end, sliding chutes (13) which are uniformly and annularly distributed are arranged on the upper surface of the clamping turntable (9), arc blocks (14) are slidably connected inside the sliding chutes (13), rubber blocks (12) are arranged at the top ends of inner arc surfaces of the arc blocks (14), through holes (15) are arranged on the upper surface of each arc block (14), clamping grooves (16) are arranged at the center of the upper surface of the clamping turntable (9), positioning holes (17) are arranged at one ends, close to the clamping grooves (16), inside the sliding chutes (13), the positioning holes (17) correspond to the through holes (15), and a transverse fixing plate (6) is arranged on the rear side of the upper surface of the workbench (1);

elevation adjustment structure (4): the lifting device comprises an adjusting component (41) and a lifting component (42), wherein the adjusting component (41) is arranged at the bottom end of the rear side face of a fixing plate (6), the lifting component (42) is arranged at the center of the upper surface of a workbench (1), and the adjusting component (41) is meshed and connected with the lifting component (42);

turning depth adjusting structure (5): is arranged on the upper surface of the lifting component (42);

wherein: still include PLC controller (7), PLC controller (7) set up in the upper surface of workstation (1), and external power source is connected to the input electricity of PLC controller (7), and the output of PLC controller (7) is connected to the input electricity of motor two (8).

2. The special tooling for turning the eccentric shaft according to claim 1, wherein the special tooling comprises: the adjusting component (41) comprises a first bevel gear (411), a rotating shaft (412) and a first motor (413), the first motor (413) is arranged at the bottom end of the rear side face of the fixing plate (6), an output shaft of the first motor (413) penetrates through a through hole at the bottom end of the rear side face of the fixing plate (6) and is provided with the rotating shaft (412) at the front end, the first bevel gear (411) is arranged at the front end of the rotating shaft (412), and the input end of the first motor (413) is electrically connected with the output end of the PLC (7).

3. The special tooling for turning the eccentric shaft according to claim 2, wherein the special tooling comprises: lifting unit (42) are including lifting block (421), screw rod (422), L shape pole one (423) and helical gear two (424), screw rod (422) are connected through the upper surface rotation of bearing and workstation (1), and the bottom of screw rod (422) is equipped with helical gear two (424), and helical gear two (424) are connected with helical gear one (411) meshing, and the middle part threaded connection of screw rod (422) has lifting block (421), and the right flank of lifting block (421) is equipped with L shape pole one (423), the vertical body of rod of L shape pole one (423) and the through-hole sliding connection of workstation (1) upper surface.

4. The special tooling for turning the eccentric shaft according to claim 3, wherein the special tooling comprises: turning degree of depth adjustment structure (5) are including hydraulic pump (51), flexible post (52), two (53) and tool bit (54) of L shape pole, hydraulic pump (51) set up in the upper surface of elevator (421), the leading flank of elevator (421) is equipped with flexible post (52), the delivery outlet of hydraulic pump (51) communicates with the oil inlet of flexible post (52), the flexible end front end of flexible post (52) is equipped with two (53) of L shape pole, the vertical body of rod of two (53) of L shape and the through-hole sliding connection of elevator (421) left surface lug, the horizontal body of rod leading flank of two (53) of L shape pole is equipped with tool bit (54), the output of PLC controller (7) is connected to the input electricity of hydraulic pump (51).

5. The special tooling for turning the eccentric shaft according to claim 4, wherein the special tooling comprises: workstation (1) upper surface is equipped with dead lever (2), and the upper surface of dead lever (2) is equipped with range sensor (3), and the vertical body of rod left side front end of L shape pole two (53) is equipped with lifter plate (11), and lifter plate (11) correspond with the position of range sensor (3), and the input of PLC controller (7) is connected to the output electricity of range sensor (3).

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