CN110695391A

CN110695391A - Durable spindle system for drilling rocker arm seat

Info

Publication number: CN110695391A
Application number: CN201911161648.6A
Authority: CN
Inventors: 殷常春; 钱卫林; 蒋小荣
Original assignee: Changzhou Changhe Machinery Co Ltd
Current assignee: Changzhou Changhe Machinery Co Ltd
Priority date: 2019-11-25
Filing date: 2019-11-25
Publication date: 2020-01-17

Abstract

The invention discloses a durable spindle system for drilling a rocker arm seat, which comprises a fixed base and is characterized in that: the drilling device comprises a drilling machine, a drilling machine rotating mechanism and a drilling machine lifting mechanism, a drill bit is arranged in the drilling machine, the drilling machine rotating mechanism drives the drill bit to rotate, the drilling machine lifting mechanism drives the drilling machine to move up and down, a traction arm is further arranged between the drilling device and the fixing device, and a traction hole is formed in the traction arm. The invention has the advantages that: the automatic drilling processing of rocking arm seat can be realized, a plurality of rocking arm seats can be drilled by once loading, the drilling processing efficiency of rocking arm seats is greatly improved, the device has no quantity and proficiency requirements on workers, the product quality is improved by adopting the automatic processing, the reject ratio of products is reduced, and the loss of defective products to the cost of enterprises is avoided.

Description

Durable spindle system for drilling rocker arm seat

Technical Field

The invention belongs to the technical field of machining, and particularly relates to a durable spindle system for drilling a rocker arm seat.

Background

The rocker arm seat is a part with the appearance extremely similar to a T shape, the rocker arm seat is provided with a phi 8 hole which is used for lubricating an oil hole for a shaft and a rocker arm, the abrasion can be reduced, the service life of a product is prolonged, the rocker arm seat is processed, particularly when the rocker arm seat is drilled, the processing precision of drilling directly influences the quality of the rocker arm seat product, the Chinese utility model with the publication number of CN203316773U discloses a rocker arm seat drilling device which comprises a workbench, a clamp is fixedly connected on the workbench, the clamp comprises a bottom plate and a side plate, the side plate is fixed above the bottom plate, a positioning groove is arranged between the bottom plate and the side plate, a vertical oil cylinder is fixedly connected on the lower surface of the bottom plate, a piston rod of the vertical oil cylinder penetrates through the bottom plate, a first pressing piece is fixedly connected at the end part of the piston rod of the vertical oil cylinder, a horizontal oil cylinder is fixedly connected on the outer side surface of the side plate, the piston rod, the workbench is also fixedly connected with a drilling mechanism which comprises a drill bit, and the drill bit is arranged right opposite to the positioning groove. The rocker arm seat drilling device has the advantages of high clamping firmness degree, high machining precision and the like, but the rocker arm seat drilling device has the defects that only one rocker arm seat can be machined at a time, the rocker arm seat is required after being machined every time, the machining and disassembling means is complicated, a worker easily makes mistakes during large-batch operation to cause unqualified products, especially, the machining efficiency of the worker with insufficient proficiency in unit time is lower, more defective products are easily generated, the cost paid by an enterprise becomes higher, and the profit becomes lower.

Disclosure of Invention

In order to solve the above problems, the present invention provides the following technical solutions: a durable spindle system for drilling a rocker arm seat comprises a fixed base, wherein a drilling device and a fixing device positioned below the drilling device are arranged on the fixed base, the drilling device comprises a drilling machine, a drilling machine rotating mechanism and a drilling machine lifting mechanism, a drill bit is arranged in the drilling machine, the drilling machine rotating mechanism drives the drill bit to rotate, the drilling machine lifting mechanism drives the drilling machine to move up and down, a traction arm is further arranged between the drilling device and the fixing device, and a traction hole is formed in the traction arm;

the fixing device comprises a lower rotating motor, a fixing round table and a six-station rotating table, the lower rotating motor is fixed on a fixing base, the six-station rotating table is connected with the output end of the lower rotating motor, the fixing round table is further arranged between the six-station rotating table and the lower rotating motor and fixed on the fixing base, symmetrically arranged positioning lifting pins are arranged on the fixing round table, the bottoms of the positioning lifting pins are conical, a blind hole groove penetrating into the bottoms of the positioning lifting pins is further formed in the fixing round table, a telescopic motor is further arranged on one side of the fixing round table, a telescopic rod is arranged at the output end of the telescopic motor, and the telescopic rod penetrates into the blind hole groove in the fixing round table;

the six-station rotary table comprises a rotary base located in the middle and six station arms which are fixed on the side edge of the rotary base and have the same structure, wherein a rocker arm seat clamping groove is formed in one end, away from the rotary base, of each station arm, a pressing motor is arranged at one end, close to the rotary base, of each station arm, a fixing baffle is arranged on one side of each rocker arm seat clamping groove, a push plate is arranged on the other side of each rocker arm seat clamping groove, and one side of each push plate is connected.

The drilling machine further comprises a safety device, the safety device comprises a laser transmitter and a laser receiver, the laser transmitter is arranged below the traction arm and close to the traction hole, the laser receiver is arranged on the station arm, and the laser receiver is used for controlling the closing of a power supply circuit of the drilling machine lifting mechanism.

Furthermore, the drilling machine lifting mechanism comprises a sliding column, a lifting beam and a hydraulic rod, the lifting beam is perpendicular to the sliding column, the middle of the lifting beam is penetrated by the sliding column, the hydraulic rod is arranged at the bottom of the lifting beam, and one side of the hydraulic rod, which is arranged on the sliding column, is fixed on the fixed base.

Further, rig rotary mechanism includes last rotating electrical machines, first transmission shaft, secondary drive axle and drive belt, last rotating electrical machines erects in one side of walking beam, and its output passes through the drive belt and is connected with first transmission shaft, first transmission shaft is located walking beam middle top position, first transmission shaft passes through the drive belt and is connected with the secondary drive axle, the secondary drive axle is connected with the drill bit and drives the drill bit rotation.

Further, still include the water-cooling sleeve pipe, the water-cooling sleeve pipe sets up on the trailing arm, the traction hole is located the middle of the water-cooling sleeve pipe, be equipped with water inlet, delivery port, water-cooling chamber and backward flow chamber on the water-cooling sleeve pipe, still be equipped with the through-hole each other between water-cooling chamber and the backward flow chamber.

Furthermore, a fan is further arranged on the traction arm, and an air port of the fan faces the six-station rotary table.

Furthermore, a scrap collecting channel is arranged on the fixed base, and a collecting box is further arranged at the bottom of the scrap collecting channel.

Furthermore, hemispherical grooves are formed in two sides of the position arm, which are positioned on one section of the rocker arm seat clamping groove, and the diameter of each groove is matched with that of the positioning pin.

Furthermore, the telescopic motor is provided with two telescopic rods, the fixed round platform is correspondingly provided with two blind hole grooves and two pairs of positioning lifting pins, and the two pairs of positioning lifting pins are arranged in a square shape.

The invention has the advantages that:

1. the device can realize automatic drilling processing of the rocker arm seats, can drill a plurality of rocker arm seats by one-time loading, greatly improves the drilling processing efficiency of the rocker arm seats, has no requirements on the number and proficiency of workers, improves the product quality by adopting automatic processing, reduces the reject ratio of products, and avoids the loss of defective products to the cost of enterprises;

2. according to the invention, the lifting control of the lifting mechanism of the drilling machine is realized through the laser alignment of the safety device, the product loss caused by inaccurate positioning after the drilling machine descends because the drilling machine is not aligned with the position to be drilled is prevented, and the loss of enterprises is further avoided while the safety is ensured.

3. According to the invention, the water cooling sleeve is arranged, and the drill bit is cooled through the double-layer cooling structure, so that the service life of the drill bit is prolonged.

4. The invention can accurately position the station arm through the positioning lifting pin, and effectively ensures the positioning effect and continuity of the station arm through the method of clamping first and then fixing.

5. The invention is provided with the fan and is matched with the scrap collecting channel, so that the cleanness of the working surface of the fixing device can be ensured in real time, the cleaning work is reduced, the loss of the processing continuity caused by the fact that the rotation of the station arm is obstructed by too much scrap is prevented, and the processing efficiency is reduced.

Drawings

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

FIG. 2 is a top view of the fixing device of the present invention;

FIG. 3 is a plan view of a six-station turntable of the present invention;

FIG. 4 is a structural diagram of a blind hole slot and a positioning lifting pin on a fixed circular truncated cone;

FIG. 5 is an overall structure view of the water-cooling jacket pipe;

fig. 6 is a top view structural view of the water-cooling jacket.

In the figure: 1. a fixed base; 2. a drilling machine; 3. a drill bit; 4. a traction arm; 5. a drawing hole; 6. a lower rotating motor; 7. fixing the round table; 8. a six-station turntable; 9. positioning the lifting pin; 10. a blind hole groove; 11. a telescopic motor; 12. a telescopic rod; 13. rotating the base; 14. a station arm; 15. a rocker arm seat clamping groove; 16. a compacting motor; 17. fixing a baffle plate; 18. pushing the plate; 19. a laser transmitter; 20. a laser receiver; 21. a sliding post; 22. a lifting beam; 23. a hydraulic lever; 24. an upper rotating motor; 25. a first drive shaft; 26. a second drive shaft; 27. a transmission belt; 28. water-cooling the sleeve; 29. a water inlet; 30. a water outlet; 31. a water-cooled cavity; 32. a reflux cavity; 33. an inter-via; 34. a fan; 35. a scrap collecting channel; 36. a collection box; 37. and (4) a groove.

Detailed Description

The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.

Referring to fig. 1-5, a durable spindle system for drilling a rocker arm seat comprises a fixed base 1, wherein a drilling device and a fixing device positioned below the drilling device are arranged on the fixed base 1, the drilling device comprises a drilling machine 2, a drilling machine rotating mechanism and a drilling machine lifting mechanism, a drill bit 3 is arranged in the drilling machine 2, the drilling machine rotating mechanism drives the drill bit 3 to rotate, the drilling machine lifting mechanism drives the drilling machine 2 to move up and down, a traction arm 4 is also arranged between the drilling device and the fixing device, the traction arm 4 is in an inverted L shape, and a traction hole 5 is arranged in the transverse direction of the traction arm 4; the lifting mechanism of the drilling machine comprises a sliding column 21, a lifting beam 22 and a hydraulic rod 23, wherein the lifting beam 22 is perpendicular to the sliding column 21, the middle of the lifting beam 22 is penetrated through by the sliding column 21, the hydraulic rod 23 is arranged at the bottom of the lifting beam 22, the hydraulic rod 23 is arranged on one side of the sliding column 21 and is fixed on the fixed base 1, the drilling machine rotating mechanism comprises an upper rotating motor 24, a first transmission shaft 25, a second transmission shaft 25 and a transmission belt 27, the upper rotating motor 24 is erected on one side of the lifting beam 22, the output end of the upper rotating motor is connected with the first transmission shaft 25 through the transmission belt 27, the first transmission shaft 25 is positioned at the top of the middle of the lifting beam 22, the first transmission shaft 25 is connected with the second transmission shaft 25 through the transmission belt 27, the second transmission shaft 25 is connected with a drill 3 to drive the drill 3 to rotate the drill 3, the fixing device comprises a lower rotating motor 6, the six-station rotary table 8 is connected with the output end of the lower rotary motor 6, the lower rotary motor 6 drives the six-station rotary table 8 to rotate, a fixed round table 7 is further arranged between the six-station rotary table 8 and the lower rotary motor 6, the fixed round table 7 is fixed on the fixed base 1, the fixed round table 7 is provided with symmetrically arranged positioning lifting pins 9, the bottoms of the positioning lifting pins 9 are in a conical shape, the fixed round table 7 is further provided with a blind hole groove 10 which extends into the bottom of the positioning lifting pin 9, one side of the fixed round table 7 is further provided with a telescopic motor 11, the output end of the telescopic motor 11 is provided with a telescopic rod 12, and the telescopic rod 12 extends into the blind hole groove 10 in the fixed round; the six-station rotary table 8 comprises a rotary base 13 positioned in the middle and six station arms 14 which are fixed on the side edges of the rotary base 13 and have the same structure, a rocker arm seat clamping groove 15 is formed in one end, far away from the rotary base 13, of each station arm 14, a pressing motor 16 is arranged at one end, close to the rotary base 13, of each station arm, a fixing baffle 17 is arranged on one side of each rocker arm seat clamping groove 15, a push plate 18 is arranged on the other side of each rocker arm seat clamping groove 15, and one side of each. The two sides of the section of the working position arm 14, which is positioned at the clamping groove 15 of the rocker arm seat, are provided with hemispherical grooves 37, the diameter of the grooves 37 is matched with that of the positioning pins, the telescopic motor 11 is provided with two telescopic rods 12, the fixed round table 7 is also correspondingly provided with two blind hole grooves 10 and two pairs of positioning lifting pins 9, the two pairs of positioning lifting pins 9 are arranged in a square shape, the hydraulic lifting device also comprises a safety device, the safety device comprises a laser transmitter 19 and a laser receiver 20, the laser transmitter 19 is arranged below the traction arm 4 and close to the traction hole 5, the laser receiver 20 is arranged on the working position arm 14, the laser receiver 20 and the transmitter are actually a circuit closing control switch, the closing of the lifting mechanism and a power circuit is controlled in a wireless or wired mode, and when the laser receiver 20 receives a laser signal transmitted by the laser transmitter 19, the working, treat on the rocking arm seat that the drilling position has been in same axis with drill bit 2, can make the cable conductor and the power of hydraulic stem 23 switch on simultaneously, drive hydraulic stem 23 can control hydraulic stem 23 and go up and down, when laser receiver 20 can't receive the laser signal of laser emitter 19 transmission, the cable conductor and the power of hydraulic stem 23 are in the state of being cut off, behind the drive hydraulic stem 23, the unable up-and-down motion of hydraulic stem 23, can guarantee only at the drill bit and the condition of treating the drill bit position alignment through safeties, the hydraulic stem just can work.

The operation principle of the invention is as follows: an operator sequentially puts a rocker base into rocker base grooves 37 on six station arms 14, drives a pressing motor 16 on the six station arms 14 to push a push plate 18 to press the rocker base after filling, drives a motor on a lower rotating motor 6 to drive a rotating base 13 to rotate, so that the six station arms 14 rotate clockwise or anticlockwise on a fixed circular table 7, the rotating direction is adjusted according to the position of a telescopic motor 11, simultaneously drives the telescopic motor 11 to drive a telescopic rod 12 to extend, the telescopic rod 12 moves towards the inner part of a blind hole groove 10 deep into the fixed circular table 7, when the bottom of a first positioning lifting pin is moved to the bottom of the first positioning lifting pin, because the bottom of the positioning lifting pin is conical, the telescopic rod 12 is deep into the blind hole groove 10 and also is a conical section, the telescopic rod 12 can push the first positioning lifting pin to move upwards, and the first positioning pin can protrude out of the surface of the fixed circular table 7, when one station arm 14 of the six station arms 14 rotates to the position, the station arm is clamped by a first raised positioning lifting pin, meanwhile, the telescopic rod 12 continues to move towards the deep part of the blind hole groove 10 to drive a second positioning lifting pin to rise, the distance between the two positioning lifting pins is equal to the distance between two hemispherical grooves 37 on the station arm 14, after the second positioning lifting pin rises, the station arm 14 between the two positioning lifting pins is firmly clamped, after the clamping, whether the position is consistent with the position of the top drilling machine 2 is detected through a safety device, namely a bottom laser receiver 20, if the position is consistent, the positioning is accurate, the hydraulic rod 23 can be driven to descend, the upper rotating motor 24 drives the drill bit 3 to rotate, the drill bit 3 penetrates through a traction hole 5 on the traction arm 4 to drill a rocker arm seat, and if the hydraulic rod 23 cannot be driven to descend, the drilling machine 2 is not aligned with the rocker arm seat and equipment needs to be checked to avoid losses. After the first rocker arm seat is machined, the first station arm 14 is released by retracting the telescopic rod 12, and the steps are repeated to machine the following rocker arm seat, wherein six rocker arms are machined, and then the rocker arm seat is disassembled and reloaded. The advantage of this embodiment is that only need the workman put into rocker arm seat draw-in groove 15 on six station arms 14 with the rocker arm seat, just can realize the automated processing of rocker arm seat, once load and just can carry out drilling processing to a plurality of rocker arm seats, very big promotion the drilling machining efficiency of rocker arm seat, and this device does not have quantity and proficiency requirement to the workman, has adopted automated processing to promote product quality, has reduced the defective percentage of product, has avoided the loss that the defective products caused the cost of enterprise.

Example 2

As shown in fig. 1-5, a durable spindle system for drilling a rocker arm seat, this embodiment has the same parts as embodiment 1, except that a water-cooling sleeve 28 is further disposed on the traction arm 4 in the transverse direction, the traction hole 5 is located in the middle of the water-cooling sleeve 28, the water-cooling sleeve 28 is provided with a water inlet 29, a water outlet 30, a water-cooling cavity 31 and a return cavity 32, an interconnecting hole 33 is further disposed between the water-cooling cavity 31 and the return cavity 32, the water-cooling cavity 31 and the return cavity 32 are both in a circular tube shape, the water-cooling cavity 31 is close to the traction hole 5, the return cavity 32 is located at the periphery of the water-cooling cavity 31, the water inlet 29 is directly communicated with the water-cooling cavity 31, the water outlet 30 is communicated with the return cavity 32, when in use, the water is connected with the water inlet 29 through a pipeline, the water flow fills the water-cooling cavity 31 first, the water flow flows into the return cavity, be in the life-span of drill bit 3 under the high temperature for a long time and can receive very big influence, can make drill bit 3 when passing through traction hole 5 through the water-cooling pipe box, absorb the heat on 3 surfaces of drill bit through the lateral wall of water-cooling pipe and cool down. Still be equipped with a fan 34 in the longitudinal direction of trailing arm 4, six station revolving stages 8 of wind gap orientation of fan 34, when drilling machine 2 drills, the sweeps that produce are blown away by fan 34, guarantee the clean and tidy of working face, still be equipped with a sweeps collection channel 35 along fan 34's direction of blowing on unable adjustment base 1, the bottom of sweeps channel still is equipped with collecting box 36, the sweeps is blown to sweeps collection channel 35 on unable adjustment base 1 through fan 34's wind-force effect, then drops to in collecting box 36.

The part operation principle of this embodiment is similar with embodiment 1 mutually, do not do too much and describe, this embodiment is through double-deck water-cooling jacket structure, will advance, the return water is separated effectively, can absorb 3 surperficial heats of drill bit at the very first time with the cooling water and cool off 3 drill bits, fine cooling effect has been reached, through being equipped with fan 34, cooperation sweeps collection channel 35, can guarantee the clean and tidy of fixing device working face in real time, clean work has been reduced, prevent because of the too much rotation that hinders station arm 14 of sweeps, cause the loss to the continuity of processing, and the machining efficiency is reduced.

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

1. The utility model provides a drilling of rocking arm seat is with durable type main shaft system, includes unable adjustment base (1), its characterized in that: the drilling device comprises a drilling machine (2), a drilling machine rotating mechanism and a drilling machine lifting mechanism, wherein a drill bit (3) is arranged in the drilling machine (2), the drilling machine rotating mechanism drives the drill bit (3) to rotate, the drilling machine lifting mechanism drives the drilling machine (2) to move up and down, a traction arm (4) is arranged between the drilling device and the fixing device, and a traction hole (5) is formed in the traction arm (4); the fixing device comprises a lower rotating motor (6), a fixing circular table (7) and a six-station rotary table (8), the lower rotating motor (6) is fixed on a fixing base (1), the six-station rotary table (8) is connected with the output end of the lower rotating motor (6), the fixing circular table (7) is further arranged between the six-station rotary table (8) and the lower rotating motor (6), the fixing circular table (7) is fixed on the fixing base (1), the fixing circular table (7) is provided with symmetrically arranged positioning lifting pins (9), the bottom of each positioning lifting pin (9) is conical, the fixing circular table (7) is further provided with a blind hole groove (10) penetrating into the bottom of each positioning lifting pin (9), one side of the fixing circular table (7) is further provided with a telescopic motor (11), and the output end of the telescopic motor (11) is provided with a telescopic rod (12), the telescopic rod (12) penetrates into the blind hole groove (10) on the fixed round table (7); six station revolving stage (8) are including being located middle rotating base (13) and fixing six station arms (14) that the structure is the same at rotating base (13) side, the one end that rotating base (13) were kept away from in station arm (14) is equipped with rocking arm seat draw-in groove (15), and its one end that is close to rotating base (13) is equipped with compressing motor (16), one side of rocking arm seat draw-in groove (15) is equipped with fixed stop (17), and the opposite side is equipped with push pedal (18), one side and compressing motor (16) of push pedal (18) are connected.

2. The durable spindle system for drilling a rocker arm stand according to claim 1, wherein: the safety device comprises a laser emitter (19) and a laser receiver (20), the laser emitter (19) is arranged below the traction arm (4) and close to the position of the traction hole (5), and the laser receiver (20) is arranged on the station arm (14).

3. The durable spindle system for drilling a rocker arm stand according to claim 1, wherein: the drilling machine lifting mechanism comprises a sliding column (21), a lifting beam (22) and a hydraulic rod (23), the lifting beam (22) and the sliding column (21) are vertically arranged, the middle of the lifting beam (22) is penetrated through by the sliding column (21), the hydraulic rod (23) is arranged at the bottom of the lifting beam (22), and one side of the sliding column (21) is arranged on the hydraulic rod (23) and fixed on the fixed base (1).

4. The durable spindle system for drilling a rocker arm stand according to claim 3, wherein: rig rotary mechanism includes last rotating electrical machines (24), first transmission shaft (25), second transmission shaft (25) and drive belt (27), go up rotating electrical machines (24) and erect one side at lift beam (22), its output passes through drive belt (27) and is connected with first transmission shaft (25), first transmission shaft (25) are located lift beam (22) middle top position, first transmission shaft (25) are connected with second transmission shaft (25) through drive belt (27), second transmission shaft (25) are connected with drill bit (3) and are driven drill bit (3) and rotate.

5. The durable spindle system for drilling a rocker arm stand according to claim 1, wherein: still include water-cooling sleeve pipe (28), water-cooling sleeve pipe (28) set up on trailing arm (4), traction hole (5) are located the centre of water-cooling sleeve pipe (28), be equipped with water inlet (29), delivery port (30), water-cooling chamber (31) and backward flow chamber (32) on water-cooling sleeve pipe (28), still be equipped with intercommunicating pore (33) between water-cooling chamber (31) and backward flow chamber (32).

6. The durable spindle system for drilling a rocker arm stand according to claim 1, wherein: and the traction arm (4) is also provided with a fan (34), and the air port of the fan (34) faces the six-station rotary table (8).

7. The durable spindle system for drilling a rocker arm stand according to claim 6, wherein: the fixing base (1) is provided with a scrap collecting channel (35), and the bottom of the scrap collecting channel (35) is also provided with a collecting box (36).

8. The durable spindle system for drilling a rocker arm stand according to claim 1, wherein: and hemispherical grooves (37) are formed in two sides of the section, located on the rocker arm seat clamping groove (15), of the station arm (14), and the diameters of the grooves (37) are matched with those of the positioning pins.

9. The durable spindle system for drilling a rocker arm stand according to claim 8, wherein: the telescopic motor (11) is provided with two telescopic rods (12), the fixed round platform (7) is correspondingly provided with two blind hole grooves (10) and two pairs of positioning lifting pins, and the two pairs of positioning lifting pins are arranged in a square shape.