CN210254275U - Air pressure differential type balancing device applied to vertical type comprehensive machining center machine - Google Patents

Abstract

The utility model provides a be applied to vertical machining center machine's differential pressure formula balancing unit of atmospheric pressure, which comprises an outer shell, the inside of shell is fixed and is equipped with vent pipe, vent pipe's bottom interlude is equipped with the piston rod, the bottom of piston rod alternates with the through-hole of seting up the shell bottom and is connected, the top fixedly connected with piston of piston rod, the bottom mounting of piston rod is equipped with the main shaft, one side intercommunication of vent pipe has the intake pipe, the trompil that the one end and the shell one side inner wall of intake pipe were seted up alternates to be connected, the bottom mounting of intake pipe is equipped. The utility model relates to a be applied to vertical machining center machine's differential pressure formula balancing unit ventilates in to vent pipe respectively through intake pipe and branch pipe, and the piston receives the differential pressure drive piston rod of pressure in vent pipe and reciprocates to reciprocating of this control main shaft improves the stability of lathe and machining's precision, reduces the noise that the machining produced.

Description

Air pressure differential type balancing device applied to vertical type comprehensive machining center machine

Technical Field

The utility model relates to a balancing unit field, in particular to be applied to vertical machining center machine's air pressure differential formula balancing unit.

Background

The vertical machining center is widely used because it has high machining efficiency and high machining accuracy when machining a workpiece.

Common vertical machining center machine during operation, the balance when utilizing the balancing weight to solve the main shaft and removing in the past, it is common at present to utilize the removal of cylinder direct control main shaft, make it process the work piece, but this kind of processing mode makes the center machine great at the during operation noise, easily produces vibrations when the main shaft removes, makes the main shaft balance nature when removing relatively poor, adds man-hour to the work piece, easily leads to the machining precision to reduce, influences the quality after the work piece processing, reduces the rate of utilization of work piece.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a be applied to vertical machining center machine's air pressure differential formula balancing unit to solve the problem that provides among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a be applied to air pressure differential formula balancing unit of vertical machining center machine, includes the shell, the inside fixed air duct that is equipped with of shell, air duct's bottom interlude is equipped with the piston rod, the bottom of piston rod alternates with the through-hole that the shell bottom was seted up and is connected, the top fixedly connected with piston of piston rod, the bottom mounting of piston rod is equipped with the main shaft, one side intercommunication of air duct has the intake pipe, the trompil that the one end of intake pipe and shell one side inner wall were seted up alternates to be connected, the bottom mounting of intake pipe is equipped with the branch pipe, the one end and the intake pipe intercommunication of branch pipe, the other end of branch pipe and air duct.

The top end of the air duct is fixedly connected with a backing plate, a support rod is fixedly arranged at the top end of the backing plate, the top end of the support rod penetrates through a limiting hole formed in the inner wall of the air duct and is fixedly connected with the top end of the shell in an inserting mode, and a sealing ring is fixedly arranged at the joint of the air duct and the piston rod.

The novel spindle is characterized in that four guide rods are fixedly connected to one side of the bottom end of the shell, sliding rings are sleeved outside the guide rods and fixedly connected through connecting shafts, a group of connecting rods are fixedly connected to one sides of the two sliding rings, and a sleeve is fixedly connected to one end of each connecting rod and sleeved outside the spindle.

The bottom of main shaft is equipped with the workstation, four the bottom fixed mounting of guide arm has the base, the bottom of base and the top fixed connection of workstation.

The air inlet pipe is sequentially provided with a pressure regulating valve and a first one-way valve, and the branch pipe is provided with a second one-way valve.

The opposite side fixed mounting of shell has flush mounting plate of switch, install first check valve switch, pressure regulating valve switch and second check valve switch on the flush mounting plate of switch, first check valve, air-vent valve and second check valve are respectively through first check valve switch, pressure regulating valve switch and second check valve switch and external power electric connection.

The utility model discloses a technological effect and advantage:

1. the utility model discloses an intake pipe is ventilated to the vent pipe in, there is the pressure differential in the both sides of piston, so the piston drives the main shaft through the piston rod and moves down under the effect of pressure, when ventilating to the vent pipe in through the branch pipe, there is the pressure differential in the both sides of piston, the piston drives the main shaft through the piston rod and moves up under the effect of pressure, guarantees that the main shaft is in balanced steady state when moving, and small in noise, improves the precision of machining;

2. the utility model has the advantages that the sleeve plays a role in fixing the main shaft, the sleeve is connected with the slip ring through the connecting rod to play a role in supporting the main shaft, and the stability of the main shaft during up-and-down movement is further enhanced;

3. the utility model discloses a leakproofness in the vent pipe is guaranteed to the sealing washer, makes the pressure differential of piston both sides obvious, through the removal of atmospheric pressure difference control piston, the equilibrium when guaranteeing the main shaft and remove.

Drawings

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

FIG. 2 is a schematic view of the internal structure of the housing of the present invention;

fig. 3 is a schematic view of the cross-sectional structure between the slip ring and the guide rod of the present invention.

In the figure: 1. a housing; 2. an air duct; 3. a piston; 4. a piston rod; 5. a main shaft; 6. an air inlet pipe; 7. a branch pipe; 8. a first check valve; 9. a pressure regulating valve; 10. a second one-way valve; 11. a seal ring; 12. a base plate; 13. a sleeve; 14. a connecting rod; 15. a slip ring; 16. a guide bar; 17. a base; 18. a work table; 19. a switch panel.

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.

The utility model provides a be applied to vertical machining center machine's differential pressure formula balancing unit of atmospheric pressure as shown in fig. 1-3, which comprises an outer shell 1, the fixed air duct 2 that is equipped with in inside of shell 1, the bottom interlude of air duct 2 is equipped with piston rod 4, the through-hole that the bottom of piston rod 4 and shell 1 bottom were seted up alternates to be connected, the top fixedly connected with piston 3 of piston rod 4, the bottom mounting of piston rod 4 is equipped with main shaft 5, one side intercommunication of air duct 2 has intake pipe 6, the one end of intake pipe 6 alternates with the trompil that shell 1 one side inner wall was seted up to be connected, the bottom mounting of intake pipe 6 is equipped with branch pipe 7, the one end and the intake pipe 6 intercommunication of branch pipe 7, the other end and the. When the piston 3 moves to the top of the vent pipe 2, the first air inlet of the air inlet pipe 6 is blocked, and when the piston 3 moves to the bottom of the vent pipe 2, the second air inlet of the branch pipe 7 is blocked, so that the first air inlet of the air inlet pipe 6 and the second air inlet of the branch pipe 7 are always positioned at two sides of the piston 3, and the two sides of the piston 3 are always in a stable state of pressure difference.

The top inner wall fixedly connected with backing plate 12 of breather pipe 2, the fixed branch that is equipped with in top of backing plate 12, the top of branch is passed the spacing hole that 2 inner walls of breather pipe seted up and is alternated fixed connection with the top of shell 1, and breather pipe 2 is fixed with sealing washer 11 with the junction of piston rod 4, improves the leakproofness in the breather pipe 2 through sealing washer 11, plays the guard action to the top of piston 3 through backing plate 12.

Four guide arms 16 of bottom one side fixedly connected with of shell 1, the outside cover of guide arm 16 is equipped with sliding ring 15, four sliding rings 15 pass through connecting axle fixed connection, wherein a set of connecting rod 14 of the equal fixedly connected with in one side of two sliding rings 15, the one end fixedly connected with sleeve 13 of connecting rod 14, sleeve 13 cup joints the outside in main shaft 5, the bottom of main shaft 5 is equipped with workstation 18, four guide arm 16's bottom fixed mounting has base 17, base 17's bottom and workstation 18's top fixed connection, main shaft 5 outside sleeve 13 passes through connecting rod 14 and drives sliding ring 15 and slide on guide arm 16, further strengthen the stability when main shaft 5 removes.

The air inlet pipe 6 is sequentially provided with a pressure regulating valve 9 and a first one-way valve 8, the branch pipe 7 is provided with a second one-way valve 10, the other side of the shell 1 is fixedly provided with a switch panel 19, the switch panel 19 is provided with a first one-way valve switch, a pressure regulating valve switch and a second one-way valve switch, and the first one-way valve 8, the pressure regulating valve 9 and the second one-way valve 10 are respectively electrically connected with an external power supply through the first one-way valve switch, the pressure regulating valve switch and the second one-way valve switch.

This practical theory of operation:

during operation, all switches on the switch panel 19 are turned on, the second one-way valve switch is turned off, air is introduced into the air duct 2 through the air inlet pipe 6, pressure difference exists between two sides of the piston 3 in the air duct 2 at the moment, the piston 3 drives the spindle 5 to move downwards through the piston rod 4 under the action of pressure to process a workpiece, after the processing is completed, the first one-way valve switch is turned off, the second one-way valve switch is turned on, air flows through the branch pipe 7 through the air inlet pipe 6 to enter the air duct 2, the spindle 5 is driven by the piston 3 to move upwards through the piston rod 4 under the action of bottom pushing force, the vibration of the spindle 5 moving upwards and downwards is reduced through an air pressure differential balance principle, and the balance stability of;

when the main shaft 5 moves up and down, the sleeve 13 outside the main shaft 5 drives the slip ring 15 to slide on the guide rod 16 through the connecting rod 14, so that the stability of the main shaft 5 during movement is further enhanced, and the precision and the efficiency of machining are improved.

Finally, it should be noted that: although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications and variations can be made in the embodiments or in part of the technical features of the embodiments without departing from the spirit and the scope of the invention.

Claims (6)

1. The utility model provides a be applied to vertical machining center machine's air pressure differential formula balancing unit, includes shell (1), its characterized in that: the air inlet pipe is characterized in that an air duct (2) is fixedly arranged inside the shell (1), a piston rod (4) is arranged at the bottom end of the air duct (2) in an inserting mode, the bottom end of the piston rod (4) is connected with a through hole formed in the bottom end of the shell (1) in an inserting mode, a piston (3) is fixedly connected to the top end of the piston rod (4), a main shaft (5) is arranged at the bottom end of the piston rod (4) in a fixing mode, an air inlet pipe (6) is communicated with one side of the air duct (2), one end of the air inlet pipe (6) is connected with an opening formed in the inner wall of one side of the shell (1) in an inserting mode, a branch pipe (7) is arranged at the bottom end of the air inlet pipe (6), one end of the branch pipe (.

2. The air pressure differential type balancing device applied to the vertical type machining center according to claim 1, wherein: the top end inner wall fixedly connected with backing plate (12) of air duct (2), the top of backing plate (12) is fixed and is equipped with branch, the top of branch is passed the spacing hole that air duct (2) inner wall was seted up and is alternated fixed connection with the top of shell (1), the fixed sealing washer (11) that is equipped with in junction of air duct (2) and piston rod (4).

3. The air pressure differential type balancing device applied to the vertical type machining center according to claim 1, wherein: the novel motor spindle is characterized in that four guide rods (16) are fixedly connected to one side of the bottom end of the shell (1), a sliding ring (15) is sleeved outside the guide rods (16), the sliding rings (15) are fixedly connected through connecting shafts, a group of connecting rods (14) are fixedly connected to one sides of the sliding rings (15), a sleeve (13) is fixedly connected to one ends of the connecting rods (14), and the sleeve (13) is sleeved outside the spindle (5).

4. The air pressure differential type balancing device applied to the vertical type machining center according to claim 3, wherein: the bottom of main shaft (5) is equipped with workstation (18), four the bottom fixed mounting of guide arm (16) has base (17), the bottom of base (17) and the top fixed connection of workstation (18).

5. The air pressure differential type balancing device applied to the vertical type machining center according to claim 1, wherein: the air inlet pipe (6) is sequentially provided with a pressure regulating valve (9) and a first one-way valve (8), and the branch pipe (7) is provided with a second one-way valve (10).

6. The air pressure differential type balancing device applied to the vertical type machining center according to claim 5, wherein: the opposite side fixed mounting of shell (1) has flush mounting plate of switch (19), install first check valve switch, pressure regulating valve switch and second check valve switch on flush mounting plate of switch (19), first check valve (8), air-vent valve (9) and second check valve (10) are respectively through first check valve switch, pressure regulating valve switch and second check valve switch and external power electric connection.

Images