CN200993154Y

CN200993154Y - Connecting rod for abrasive wire machine

Info

Publication number: CN200993154Y
Application number: CN 200620170972
Authority: CN
Inventors: 钱启明
Original assignee: 曹善书
Priority date: 2006-12-17
Filing date: 2006-12-17
Publication date: 2007-12-19
Anticipated expiration: 2016-12-17

Abstract

The utility model provided a connection bar for a sand line machine, relates to a mechanical connection piece which is used between an eccentric wheel axle and a riser connection board. The connection bar (1) is formed into an integrated component by a pin roll hole (2), a mounting hole (4) of the eccentric wheel axle as well as a groove (3) outside a round table which is at the outside of the pin roll hole (2) and a bearing step (8), a bearing mounting hole (5) is positioned between the mounting hole (4) of the eccentric wheel axle and the bearing step (8), the bearing step (8) is opened with a bearing unloading hole (6), the outside round table of the bearing step (8) is opened with a plurality of panel mounting holes (7). The connection bar for the sand line machine has a compact structure, a safe and reliable running, the bearing does not outward leap at inner and outer sides of the bearing mounting hole (5).

Description

A kind of sand line machine connecting rod

Technical field:

A kind of sand line of the utility model machine relates to the mechanical fastener that is used between eccentric shaft and the shelf connecting plate in sand line machine with connecting rod.

Background technique:

Sand line machine lathe mainly is made up of parts such as lathe bed, coordinate table, sand line movement mechanism, tank for coolant, lubrication system and illuminations.Sand line machine is widely used in the cutting graphite electrode, the cutting forming that also can be used for materials such as epoxy plate, Hardmetal materials, marble, jade, optical glass, pottery, ferrite, semiconductor, silicon carbide, refractory brick can be processed the electrode or the part of the various complicated shapes of being made up of straight line and circular arc.

Sand line movement mechanism in the sand line machine mainly is that the sand line that will process usefulness is stretched on the shelf by upper and lower chuck, and shelf is to realize upper and lower reciprocating by three phase electric machine by eccentric shaft, connecting rod, shelf connecting plate, sand line high speed rotating can reach the purpose that processing is cut.

Sand line machine connecting rod is that the special a kind of special use that designs for the sand line movement mechanism of sand line machine connects mechanical parts, do accurate running for making it, then the structure of connecting rod must match with eccentric shaft and shelf connecting plate, makes its safety, does upper and lower oscillating motion effectively.

Summary of the invention:

The purpose of this utility model provides a kind of sand line machine connecting rod, and being connected by groove between the pin shaft hole in connecting rod front and eccentric shaft mounting hole is integral, and has bearing mounting hole, bearing removal hole and panel mounting hole above the eccentric shaft mounting hole.

A kind of sand line machine connecting rod, it is characterized in that connecting rod (1) is by pin shaft hole (2), eccentric shaft mounting hole (4) and pin shaft hole (2) outside round platform is outer and groove (3) the formation integral piece of bearing step (8) outside round platform of eccentric shaft mounting hole (4) top between outer, bearing mounting hole (5) is positioned between eccentric shaft mounting hole (4) and the bearing step (8), on bearing step (8), have bearing removal hole (6), on the round platform of bearing step (8) outside, have some panel mounting holes (7).

A kind of sand line of the utility model machine is described as follows with the principle and the structure of connecting rod: pin shaft hole is used for installing bearing pin, the other end then was installed in the bearing after bearing pin passed pin shaft hole, this Bearing Installation is in movements and postures of actors connecting plate, connecting rod drives the shelf connecting plate by the bearing pin in the pin shaft hole of lower end and does upper and lower motion and left and right swing, thereby drive the shelf motion, the sand line is cut; The upper end of connecting rod has the eccentric shaft mounting hole, be used for the eccentric wheel of setting-up eccentricity wheel shaft, above the eccentric shaft mounting hole, have bearing mounting hole, bearing is installed in bearing mounting hole, and the eccentric wheel of eccentric shaft just is installed in the inner ring of bearing, and eccentric wheel is rotated in bearing inner race; In addition, do not rub mutually, also have the bearing step with the bearing step in order to make bearing inner race; In order to prevent that the bearing in the bearing mounting hole from scurrying outward, and prevent that dust from entering in the bearing, on the boss platform of the outer ring of bearing mounting hole, have some panel mounting holes, be used for installation panel; After damage of bearings, also can disassemble by the bearing removal hole, the bearing removal hole is a through hole.

A kind of sand line of the utility model machine is a compact structure with the advantage of connecting rod, and is safe and reliable to operation, and the bearing of being installed in the bearing mounting hole is all scurried outside the not meeting in inside and outside both sides.

Description of drawings:

Fig. 1: be this a kind of sand line machine positive schematic three dimensional views of connecting rod (1).

Fig. 2: be this a kind of sand line machine connecting rod (1) reverse side schematic three dimensional views.

Fig. 3: for this a kind of sand line machine is looked schematic representation with connecting rod (1) master.

Fig. 4: be this a kind of sand line machine cross-sectional schematic of connecting rod (1) in Fig. 3 A-A direction.

Embodiment:

Referring to Fig. 1, Fig. 2, Fig. 3 and Fig. 4, among each figure: (1) is connecting rod, and (2) are pin shaft hole, and (3) are groove, and (4) are the eccentric shaft mounting hole, and (5) are bearing mounting hole, and (6) are the bearing removal hole, and (7) are the panel mounting hole, and (8) are the bearing step.

As shown in Figure 1, connecting rod (1) is a foundry goods, and total length is 238.5 millimeters, and connecting rod (1) thickness is 22 millimeters; Pin shaft hole is used for installing additional bearing pin in (2), bearing pin one end is inserted in the pin shaft hole (2), the other end is installed in the interior bearing of shelf connecting plate, moving up and down of connecting rod (1), drive the shelf connecting plate by the bearing pin in connecting rod (1) the lower end pin shaft hole (2) and move up and down and swing, make the shelf motion, then the sand line on the shelf can cut, pin shaft hole (2) internal diameter is 25 millimeters of , and pin shaft hole (2) outside round platform diameter is 48 millimeters of .

As shown in Figure 1, the eccentric shaft mounting hole is equipped with eccentric wheel in (4), and the diameter of eccentric shaft mounting hole (4) is 94 millimeters of , and the centre distance of eccentric shaft mounting hole (4) center line and pin shaft hole (2) centreline space is 135 millimeters.

As shown in Figure 4, have bearing mounting hole (5) in eccentric shaft mounting hole (4) top, bearing mounting hole is equipped with bearing in (5), the eccentric wheel of eccentric shaft is installed in the bearing inner race in the bearing mounting hole (5), be that eccentric wheel can rotate in bearing inner race, and eccentric shaft mounting hole (4) can keep off the unlikely outside play of bearing in the bearing mounting hole (5), the diameter of bearing mounting hole (5) is 130 millimeters of , for bearing inner race is rubbed mutually with bearing mounting hole (5), have bearing step (8), bearing step (8) internal diameter is 145 millimeters of , bearing step (8) exceeds (5) 0.2 millimeters of bearing mounting holes, and bearing step (8) outside round platform diameter is 175 millimeters of .Groove (3) be positioned at outer and bearing step (8) outside round platform of pin shaft hole (2) outside round platform outer between, groove (3) is lower than outside pin shaft hole (2) outside round platform and the bearing step (8) 3 millimeters on round platform, as shown in Figure 3 and Figure 4.

When damage of bearings, in order to pull down bearing, on bearing step (8), have bearing removal hole (6), bearing removal hole (6) is vertical round tube hole, communicate with bearing step (8), as shown in Figure 3, Distribution and localization is at the horizontal center line two ends of bearing step (8) symmetrically in two bearing removal holes (6), and bearing removal hole (6) diameter is 6 millimeters of .

In order to prevent bearing in the bearing mounting hole (5) play that makes progress, then have some panel mounting holes (7) in bearing step (8) outside, these panel mounting holes (7) are interior threaded hole, interior threaded hole is of a size of: M5 * 15 millimeter, panel mounting hole (7) has 6 tapped holes, respectively be distributed in Deng the radian symmetry on the round platform in bearing step (8) outside, panel is installed on the round platform of bearing step (8) outside by screw.The external diameter of bearing step (8) outside round platform is 175 millimeters of .

Claims

1, a kind of sand line machine connecting rod, it is characterized in that connecting rod (1) is by pin shaft hole (2), eccentric shaft mounting hole (4) and pin shaft hole (2) outside round platform is outer and groove (3) the formation integral piece of bearing step (8) outside round platform of eccentric shaft mounting hole (4) top between outer, bearing mounting hole (5) is positioned between eccentric shaft mounting hole (4) and the bearing step (8), on bearing step (8), have bearing removal hole (6), on the round platform of bearing step (8) outside, have some panel mounting holes (7).

2, a kind of sand line machine connecting rod according to claim 1 is characterized in that connecting rod (1) is a foundry goods, and total length is 238.5 millimeters, and thickness is 22 millimeters.

3, a kind of sand line machine connecting rod according to claim 1 is characterized in that pin shaft hole (2) internal diameter is 25 millimeters of , and pin shaft hole (2) outside round platform diameter is 48 millimeters of .

4, a kind of sand line machine connecting rod according to claim 1, the diameter that it is characterized in that eccentric shaft mounting hole (4) is 94 millimeters of , the centre distance of eccentric shaft mounting hole (4) center line and pin shaft hole (2) centreline space is 135 millimeters.

5, a kind of sand line machine connecting rod according to claim 1 is characterized in that bearing mounting hole (5) diameter is 130 millimeters of .

6, a kind of sand line machine connecting rod according to claim 1 is characterized in that bearing step (8) internal diameter is 145 millimeters of , and bearing step (8) exceeds (5) 0.2 millimeters of bearing mounting holes; Bearing step (8) outside round platform diameter is 175 millimeters.

7, a kind of sand line machine connecting rod according to claim 1, it is characterized in that groove (3) is positioned between outer and bearing step (8) outside round platform of pin shaft hole (2) outside round platform, groove (3) is lower than outside pin shaft hole (2) outside round platform and the bearing step (8) 3 millimeters on round platform.

8, a kind of sand line machine connecting rod according to claim 1, it is characterized in that bearing removal hole (6) is vertical round tube hole, communicate with bearing step (8), Distribution and localization is at bearing step (8) horizontal center line two ends symmetrically in two bearing removal holes (6), and bearing removal hole (6) diameter is 6 millimeters of .

9, a kind of sand line machine connecting rod according to claim 1 is characterized in that panel mounting hole (7) has 6 tapped holes, waits the radian symmetry respectively to be distributed on the round platform of bearing step (8) outside, and it is of a size of M5 * 15 millimeter.