CN201559039U

CN201559039U - Cutting torch lifting mechanism

Info

Publication number: CN201559039U
Application number: CN2009202699814U
Authority: CN
Inventors: 高军
Original assignee: Wuxi Hengfu Technology Co Ltd
Current assignee: Wuxi Hengfu Technology Co Ltd
Priority date: 2009-11-12
Filing date: 2009-11-12
Publication date: 2010-08-25
Anticipated expiration: 2019-11-12

Abstract

The utility model belongs to the technical field of welding-cutting equipment, relating to a cutting torch lifting mechanism. The cutting torch lifting mechanism comprises a lifting motor, an installing frame, a screw nut, a lifting rod, a screw rod and eccentric clamping wheels, wherein the lifting motor is arranged on the upper part of the installing frame; an output shaft of the lifting motor is downwards connected with the screw rod; the screw rod is provided with the screw nut which is matched with the screw rod; the screw rod is externally sheathed with the lifting rod; the lifting rod is fixed with the screw nut; and the lower end of the lifting rod is provided with the cutting torch. The cutting torch lifting mechanism is characterized in that two edges of the lifting rod are symmetrically provided with the eccentric clamping wheels; the outer wall of the screw rod is concavely provided with wheel grooves which correspond to the eccentric clamping wheels; the edges of the eccentric clamping wheels bodies are embedded into the wheel grooves; and the eccentric clamping wheels are used for stabilizing and clamping the lifting rod. The cutting torch lifting mechanism has simple and reliable structure, is convenient in installation and maintenance, has high lifting stability due to the lifting mechanism of the screw rod and the screw nut, has ingenious structure that the eccentric clamping wheels are matched with the wheel grooves, is stable and reliable in clamping, has high applicability, and has large load pressure and fast starting speed as the lifting motor adopts the direct-current electrical machine.

Description

Cutting torch lifting mechanism

Technical field

The utility model belongs to the welding and cutting device technical field, specifically relates to a kind of cutting torch lifting mechanism that is applied on the numerical control cutting machine.

Background technology

Numerical control cutting machine is a kind of cutting equipment that is widely used in the mechanical industry, along with expanding economy, the automaticity of production equipment is more and more higher, quality requirement to cutting products is also more and more higher simultaneously, and the structure that is applied to the cutting torch lifting mechanism on the numerical control cutting machine at present is more single, less stable causes the cutting accuracy of numerical control cutting machine also not high, incompatible gradually requirement of producing.

Summary of the invention

The purpose of this utility model is to overcome the deficiencies in the prior art, provides a kind of simple and reliable for structure, and stability is strong, operation and cutting torch lifting mechanism convenient for installation and maintenance.

The technical scheme that provides according to the utility model, described cutting torch lifting mechanism comprises lifting motor, installing rack, screw, elevating lever, screw mandrel and cam lock bearing up pulley, lifting motor is installed in the top of installing rack, the output shaft of lifting motor is connected with screw mandrel downwards, the screw that matches with it is housed on screw mandrel, the outer suit elevating lever of screw mandrel, elevating lever and screw fix, and cutting torch is installed in the elevating lever lower end; It is characterized in that the both sides of described elevating lever are provided with the cam lock bearing up pulley of symmetry, are concaved with on the screw mandrel outer wall and the corresponding race of cam lock bearing up pulley, the wheel body edge of cam lock bearing up pulley is embedded in the race, and the cam lock bearing up pulley is used for stable and clamps elevating lever.

As further improvement of the utility model, the outside of described cutting torch lifting mechanism is provided with case, and case is stretched out in the lower end of elevating lever.

As further improvement of the utility model, offer installing hole on the described installing rack, screw mandrel is assemblied in the installing hole by bearing.

As further improvement of the utility model, described cam lock bearing up pulley is two groups, and two groups of cam lock bearings up pulley are arranged on the both sides of elevating lever one on the other.

As further improvement of the utility model, described cam lock bearing up pulley adopts bolt shaft and bearing to be installed on the madial wall of installing rack; The cam lock bearing up pulley preferably adopts the round edge wheel.

As further improvement of the utility model, described lifting motor adopts direct current generator.

The utility model compared with prior art, advantage is: simple and reliable for structure, installation and maintenance are convenient; Adopt the lifting structure of screw mandrel screw, lifting stability is strong; The structure that the cam lock bearing up pulley matches with race is ingenious, clamps reliable and stablely, and applicability is strong; Lifting motor adopts direct current generator, but bearing load is big, and toggle speed is fast.

Description of drawings

Fig. 1 is a structural representation of the present utility model.

Fig. 2 is the right view of Fig. 1.

Description of reference numerals: 1-case, 2-lifting motor, 3-installing rack, 4-installing hole, 5-screw, 6-elevating lever, 7-screw mandrel, 8-cam lock bearing up pulley, 9-bolt shaft, 10-race.

The specific embodiment

The utility model is described in further detail below in conjunction with concrete drawings and Examples.

As shown in Figure 1 and Figure 2, cutting torch lifting mechanism described in the utility model mainly is made up of parts such as case 1, lifting motor 2, installing rack 3, screw 5, elevating lever 6, screw mandrel 7, cam lock bearing up pulley 8 and bolt shaft 9, lifting motor 2 adopts bolt to be installed in the top of installing rack 3, the lifting motor 2 preferred direct current generators that adopt, its output shaft is connected with screw mandrel 7 downwards, offer installing hole 4 on the installing rack 3, screw mandrel 7 is assemblied in the installing hole 4 by bearing; The screw 5 that matches with it is housed on screw mandrel 7, screw mandrel 7 outer suit elevating levers 6, elevating lever 6 fixes with screw 5, and cutting torch is installed in elevating lever 6 lower ends; The both sides of described elevating lever 6 are provided with the cam lock bearing up pulley 8 of two groups of symmetries, are concaved with on screw mandrel 7 outer walls and cam lock bearing up pulley 8 corresponding races 10, and the wheel body edge of cam lock bearing up pulley 8 is embedded in the race 10.Described cam lock bearing up pulley 8 is installed on the madial wall of installing rack 3 by bolt shaft 9 and bearing respectively, and cam lock bearing up pulley 8 is used for stable and clamps elevating lever 6; The described cam lock bearing up pulley 8 preferred round edge wheels that adopt.

The outside of described cutting torch lifting mechanism is provided with case 1, enters to prevent dust, further improves the barrier propterty of equipment, and case 5 is stretched out in the lower end of elevating lever 6.

During work, lifting motor 2 forward and reverse runnings also drive screw mandrel 7 forward and reverse rotations, driving screw 5 during screw mandrel 7 rotations rises on screw mandrel 7 or descends, driving the elevating lever 6 of fixedlying connected with it during screw 5 liftings rises or descends, and then driving the cutting torch lifting that is installed in elevating lever 6 lower ends, the cam lock bearing up pulley 8 on elevating lever 6 both sides plays a part stable and clamps elevating lever 6.

Claims

1. cutting torch lifting mechanism, comprise lifting motor (2), installing rack (3), screw (5), elevating lever (6), screw mandrel (7) and cam lock bearing up pulley (8), lifting motor (2) is installed in the top of installing rack (3), the output shaft of lifting motor (2) is connected with screw mandrel (7) downwards, the screw (5) that matches with it is housed on screw mandrel (7), the outer suit elevating lever of screw mandrel (7) (6), elevating lever (6) fixes with screw (5), and cutting torch is installed in elevating lever (6) lower end; It is characterized in that, the both sides of described elevating lever (6) are provided with the cam lock bearing up pulley (8) of symmetry, be concaved with on the screw mandrel outer wall (7) and the corresponding race of cam lock bearing up pulley (8) (10), the wheel body edge of cam lock bearing up pulley (8) is embedded in the race (10), and cam lock bearing up pulley (8) is used for stable and clamps elevating lever (6).

2. cutting torch lifting mechanism as claimed in claim 1, its feature are that also the outside of described cutting torch lifting mechanism is provided with case (1), and case (5) is stretched out in the lower end of elevating lever (6).

3. cutting torch lifting mechanism as claimed in claim 1, its feature also are, offer installing hole (4) on the described installing rack (3), and screw mandrel (7) is assemblied in the installing hole (4) by bearing.

4. cutting torch lifting mechanism as claimed in claim 1, its feature are that also described cam lock bearing up pulley (8) is two groups, and two groups of cam lock bearings up pulley (8) are arranged on the both sides of elevating lever (6) one on the other.

5. cutting torch lifting mechanism as claimed in claim 1, its feature are that also described cam lock bearing up pulley (8) adopts bolt shaft (9) and bearing to be installed on the madial wall of installing rack (3).

6. as each described cutting torch lifting mechanism of claim 1～5, its feature is that also described cam lock bearing up pulley (8) adopts the round edge wheel.

7. as each described cutting torch lifting mechanism of claim 1～5, its feature is that also described lifting motor (2) adopts direct current generator.