CN208162595U - A kind of Mold Core-pulling Mechanism of piston casting machine - Google Patents

Abstract

The utility model discloses a kind of Mold Core-pulling Mechanisms of piston casting machine, including bracket, pull head and oblique pull device, the bracket by upper bracket plate, lower bracket board group at, the two is connected by screw rod with nut in four corners, screw rod periphery is equipped with sleeve, interior lumen type core is fixed on upper bracket plate, the hydraulic cylinder main shaft coaxial with interior lumen type core is coated in the middle part of lower bracket plate, oblique pull device is between upper bracket plate and lower bracket plate, couple with hydraulic cylinder main shaft, pull head is located at oblique pull device side, coaxially connected with the oilhole shaped core across upper bracket plate；Angle-adjusting component is equipped between the pull head and interior lumen type core, the angle-adjusting component includes actuator and driven member, and actuator is rotatably arranged on pull head close to the side of interior lumen type core, and driven member is fixed at one end of interior lumen type core connection pull head.The utility model has the beneficial effects that expanding the use scope of original mould core-pulling mechanism, and the adjustment mode of angle is more flexible.

Description

A kind of Mold Core-pulling Mechanism of piston casting machine

Technical field

The utility model relates to piston casting machine field, especially a kind of Mold Core-pulling Mechanism of piston casting machine.

Background technique

The disengaging oilhole axis of existing common internally-cooled oil channel piston is mostly parallel with spindle piston line, but due to piston knot The limitation of structure often will appear disengaging oilhole axis and the angled situation of spindle piston line, not to this common casting machine The direct core pulling of energy, and there are mainly two types of solutions：One is casting moulds are overturn by hand, i.e., will have one by artificial means The type core for determining angle is extracted out by several times, and piston mass is affected by human factors larger, and product quality is not easy to guarantee；Second of method It is the existing casting machine of transformation, increases 1-2 demoulding oil jar, while necessary modification is done to the control system of casting machine, sensor-based system, But the transformation space of existing casting machine is limited, and does not have versatility.

Existing core pulling mechanism of piston pouring mold be to the adjusting range of angle in practice it is lesser, only just Step realizes the function of adjustable angle, so that still there are problems that not easy to operate and control in the actual production process, therefore In response to this problem, it is badly in need of a kind of structure to solve.

Utility model content

Purpose of the utility model is to solve the above problems, devise a kind of mould core pulling machine of piston casting machine Structure.

Realize that above-mentioned purpose the technical solution of the utility model is a kind of Mold Core-pulling Mechanism of piston casting machine, including Bracket, pull head and oblique pull device, the bracket is by upper bracket plate, lower bracket board group at the two passes through screw rod and nut in four corners It is connected, screw rod periphery is equipped with sleeve, and interior lumen type core is fixed on upper bracket plate, is coated in the middle part of lower bracket plate and interior lumen type The coaxial hydraulic cylinder main shaft of core, oblique pull device couple, pull head between upper bracket plate and lower bracket plate with hydraulic cylinder main shaft It is coaxially connected with the oilhole shaped core across upper bracket plate positioned at oblique pull device side；It is equipped between the pull head and interior lumen type core Angle-adjusting component, the angle-adjusting component include actuator and driven member, and it is close that actuator is rotatably arranged on pull head The side of interior lumen type core, driven member are fixed at one end of interior lumen type core connection pull head.

The actuator includes driving gear shaft, rotating handle and active bearings seat, and driven member includes partial gear axis With driven bearing block, driving gear is meshed with partial gear, and pull head is provided with U-shaped mouth close to one end of interior lumen type core, actively Gear shaft is interspersed in the U-shaped mouth of pull head, and the driving end of driving gear shaft protruding is connect with rotating handle；Interior lumen type core It is sleeved on partial gear axis, the two is inserted into together on the long slab of pull head U-shaped mouth.

Separation pad is equipped between interior lumen type core and partial gear axis, the interior lumen type core and partial gear are in opposite Resting position.

Driving gear shaft both ends are installed in a pair of of active bearings seat；Partial gear axis pass through U-shaped mouth be inserted into from In dynamic bearing seat.

Bearing one is set between active bearings seat and driving gear shaft；Suit in partial gear axis and driven bearing block There is bearing two.

Rotating handle can carry out lock-bit.

The oblique pull device is in step disc.

Using a kind of Mold Core-pulling Mechanism of piston casting machine of the technical solution of the utility model production, by increasing angle Degree adjustment component, so that the use scope of original mould core-pulling mechanism expands, and the adjustment mode of angle is more flexible, the tune of angle Whole range also increases.By rotating handle can internal lumen type core the angle minimum precision that is adjusted, and adjusts the angle It can be realized by the setting of modulus, the number of teeth to gear；Practicability is had more compared with prior art, and can make piston Interior oil cooling passage disengaging oilhole shaped core and interior lumen type core link, and realize order stripping, avoid the repetitive operation of manual work, mention High working efficiency.

Detailed description of the invention

Fig. 1 is a kind of structural schematic diagram of the Mold Core-pulling Mechanism of piston casting machine described in the utility model；

Fig. 2 is a kind of angle-adjusting component structural representation of the Mold Core-pulling Mechanism of piston casting machine described in the utility model Figure.

In figure, 1, pull head；2, oblique pull device；3, upper bracket plate；4, lower bracket plate；5, screw rod；6, nut；7, sleeve；8, interior Lumen type core；9, hydraulic cylinder main shaft；10, oilhole shaped core；11, notch；12, driving gear shaft；13, partial gear axis；14, Rotating handle；15, guide sleeve；16, guide rod；17, active bearings seat；18, driven bearing block；19, bearing one；20, bearing two.

Specific embodiment

The utility model is specifically described with reference to the accompanying drawing, as shown in Figs. 1-2, a kind of mold of piston casting machine Core-pulling mechanism, including bracket, pull head 1 and oblique pull device 2, the bracket are made of upper bracket plate 3, lower bracket plate 4, and the two is in quadrangle Place is connected by screw rod 5 with nut 6, and 5 periphery of screw rod is equipped with sleeve 7, and interior lumen type core is fixed on upper bracket plate 3, lower bracket The middle part of plate 4 is coated with the hydraulic cylinder main shaft 9 coaxial with interior lumen type core, and oblique pull device 2 is located at upper bracket plate 3 and lower bracket plate 4 Between, couple with hydraulic cylinder main shaft 9, pull head 1 is located at 2 side of oblique pull device, same with the oilhole shaped core 10 across upper bracket plate 3 Axis connection；Between the pull head 1 and interior lumen type core 8 be equipped with angle-adjusting component, the angle-adjusting component include actuator and Driven member, actuator are rotatably arranged on pull head 1 close to the side of interior lumen type core 8, and driven member is fixed at interior lumen type core 8 Connect one end of pull head 1.

The actuator includes driving gear shaft 12, rotating handle 14 and active bearings seat 17, the driving gear shaft 12 On be preset with driving gear, driven member includes partial gear axis 13 and driven bearing block 18, on the partial gear axis 13 It is preset with partial gear, the driving gear is meshed with partial gear, and pull head 1 is provided with U close to one end of interior lumen type core 8 Type mouth, driving gear shaft 12 are interspersed in the U-shaped mouth of pull head 1, and driving gear shaft 12 driving end it is protruding with rotation hand Handle 14 connects；Interior lumen type core 8 is sleeved on partial gear axis 13, and the two is inserted into together on the long slab of pull head U-shaped mouth.

Separation pad is equipped between interior lumen type core 8 and partial gear axis 13, the interior lumen type core 8 is in partial gear Opposing stationary position.

12 both ends of driving gear shaft are installed in a pair of of active bearings seat 17；Partial gear axis 13 is inserted across U-shaped mouth In driven bearing block 18.

Bearing 1 is set between active bearings seat 17 and driving gear shaft 12；Partial gear axis 13 and driven bearing Bearing 2 20 is set in seat 18.

Rotating handle 14 can carry out lock-bit.

The oblique pull device 2 is in step disc.

The characteristics of the present embodiment is that the cooperation of driving gear and partial gear may be implemented a certain range of endless The pendulum motion of all gear, thus realize the adjusting to angle, and the number of teeth of partial gear and position are by partial gear Movement determination, when setting up the angle for arriving operating condition needs, locks rotating handle and positioned to realize, can be demoulded at this time Operation, to realize the operation smoothly demoulded.

In the present embodiment, when oblique pull device vertical direction move up and down when, will give drawing first along its own master The active force of axis direction, pull head will drive oilhole shaped core to move along its major axes orientation under the guiding role of guide sleeve, oilhole After shaped core demoulding, when oblique pull device and lower bracket plate contact, entire bracket is just driven smoothly to demould together with inner cavity core, oilhole at The time difference that shape core is demoulded with interior lumen type core can be adjusted by adjusting pull head with lower bracket plate distance, adjusting screw rod and sleeve The adjustable interior lumen type core of length stripping stroke, adjust angle-adjusting component, make the angle between pull head and interior lumen type core Reach the state of operating condition needs, to be applicable in the demoulding requirement of different model piston casting mold, to improve qualification rate.

Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model Protection scope within.

Claims (7)

1. a kind of Mold Core-pulling Mechanism of piston casting machine, including bracket, pull head (1) and oblique pull device (2), it is characterised in that：Institute It states bracket to be made of upper bracket plate (3), lower bracket plate (4), the two is connected by screw rod (5) with nut (6) in four corners, spiral shell Bar (5) periphery is equipped with sleeve (7), and interior lumen type core (8) is fixed on upper bracket plate (3), be coated in the middle part of lower bracket plate (4) with The coaxial hydraulic cylinder main shaft (9) of interior lumen type core (8), oblique pull device (2) are located between upper bracket plate (3) and lower bracket plate (4), with Hydraulic cylinder main shaft (9) connection, pull head (1) are located at oblique pull device (2) side, with the oilhole shaped core for passing through upper bracket plate (3) (10) coaxially connected；Angle-adjusting component, the angle-adjusting component packet are equipped between the pull head (1) and interior lumen type core (8) Actuator and driven member are included, actuator is rotatably arranged on the side of pull head (1) close to interior lumen type core (10), and driven member is fixed It is arranged in one end of interior lumen type core (8) connection pull head (1).

2. a kind of Mold Core-pulling Mechanism of piston casting machine according to claim 1, it is characterised in that：The actuator packet Driving gear shaft (12), rotating handle (14) and active bearings seat (17) are included, is preset on the driving gear shaft (12) actively Gear, driven member include partial gear axis (13) and driven bearing block (18), are preset on the partial gear axis (13) Partial gear, driving gear are meshed with partial gear, and pull head (1) is provided with U-shaped mouth close to one end of interior lumen type core (8), Driving gear shaft (12) is interspersed in the U-shaped mouth of pull head (1), and driving gear shaft (12) driving end it is protruding with rotation hand Handle (14) connection；Interior lumen type core (8) is sleeved on partial gear axis (13), and the two is inserted into the long slab of pull head U-shaped mouth together On.

3. a kind of Mold Core-pulling Mechanism of piston casting machine according to claim 2, it is characterised in that：Interior lumen type core (8) Separation pad is equipped between partial gear axis (13), the interior lumen type core (8) and partial gear are in opposing stationary position.

4. a kind of Mold Core-pulling Mechanism of piston casting machine according to claim 3, it is characterised in that：Driving gear shaft two End is installed in a pair of of active bearings seat (17)；Partial gear axis (13) passes through U-shaped mouth and is inserted into driven bearing block (18) It is interior.

5. a kind of Mold Core-pulling Mechanism of piston casting machine according to claim 4, it is characterised in that：Active bearings seat (17) bearing one (19) is set between driving gear shaft (12)；Partial gear axis (13) and driven bearing block (18) inner sleeve Equipped with bearing two (20).

6. a kind of Mold Core-pulling Mechanism of piston casting machine according to claim 2, it is characterised in that：Rotating handle (14) It can carry out lock-bit.

7. the Mold Core-pulling Mechanism of a kind of piston casting machine any one of in -6 according to claim 1, it is characterised in that： The oblique pull device (2) is in step disc.