CN208997072U - A kind of die sinking positional cylinder easy to use - Google Patents

Abstract

The utility model discloses a kind of die sinking positional cylinders easy to use, including cylinder barrel, upper cylinder cover is fixedly connected at the upper end opening of cylinder barrel, the lower end of upper cylinder cover is fixedly connected with cylinder liner, cylinder liner is located at the inner upper setting of cylinder barrel, threaded rod is rotatably connected to by rolling bearing at the upper end center of cylinder liner, the upper end of threaded rod runs through upper cylinder cover and extends to the top of upper cylinder cover, the lower end of threaded rod extends to the lower inside of cylinder barrel, one end that the bar wall of threaded rod is located inside cylinder barrel is arranged with locating shaft, and threaded rod is threadedly coupled with locating shaft, the sidewall upper of locating shaft is fixed with two symmetrically arranged first sliding blocks, the inner sidewall of cylinder barrel offers the first sliding groove to match with the first sliding block, one end that the bar wall of threaded rod is located inside cylinder barrel is also arranged with oil cylinder axis.The utility model can effectively adjust oil cylinder axis initial position, so as to adjust the push distance of oil cylinder axis, convenient for improving the control precision of oil cylinder, use convenient for people.

Description

A kind of die sinking positional cylinder easy to use

Technical field

The utility model relates to injection molding machine technical field more particularly to a kind of die sinking positional cylinders easy to use.

Background technique

Oil cylinder, that is, hydraulic cylinder, hydraulic cylinder are the directly proportional straight line fortune of the pressure difference on power output and piston effective area and its both sides Dynamic formula executive component, its function are that hydraulic energy is converted into mechanical energy, and the input quantity of hydraulic cylinder is the flow and pressure of fluid, Output is point-to-point speed and power, and the piston of hydraulic cylinder can complete straight reciprocating motion, and the straight-line displacement of output is limited , hydraulic cylinder is substantially made of cylinder barrel and cylinder cap, piston and piston rod, sealing device, buffer unit and exhaust apparatus, buffering Depending on concrete application occasion, other devices are then essential for device and exhaust apparatus.

Existing cylinder structure, the total kilometres of piston be it is invariable, die sinking to setting position mainly by valve control System, but common valve control precision is poor, especially under high-speed switch mould operating status, not can guarantee repeatable accuracy, thus shadow The effect of die sinking injection molding is rung, therefore proposes a kind of die sinking positional cylinder easy to use.

Utility model content

Purpose of the utility model is to solve cylinder structure in the prior art, the total kilometres of piston are invariable , die sinking to the position of setting is controlled mainly by valve, but common valve control precision is poor, especially runs shape in high-speed switch mould Under state, repeatable accuracy not can guarantee, thus the problem of influencing the effect of die sinking injection molding, and a kind of die sinking easy to use proposed Positional cylinder.

To achieve the goals above, the utility model adopts the technical scheme that

A kind of die sinking positional cylinder easy to use, including cylinder barrel are fixedly connected at the upper end opening of the cylinder barrel Cylinder cap, the lower end of the upper cylinder cover are fixedly connected with cylinder liner, and the cylinder liner is located at the inner upper setting of cylinder barrel, the cylinder liner Threaded rod is rotatably connected to by rolling bearing at upper end center, the upper end of the threaded rod through upper cylinder cover and extends to upper cylinder half The top of lid, the lower end of the threaded rod extend to the lower inside of cylinder barrel, and the bar wall of the threaded rod is located inside cylinder barrel One end is arranged with locating shaft, and threaded rod is threadedly coupled with locating shaft, the sidewall upper of the locating shaft be fixed with two it is right Claim the first sliding block of setting, the inner sidewall of the cylinder barrel offers the first sliding groove to match with the first sliding block, the threaded rod Bar wall be located at one end inside cylinder barrel and be also arranged with oil cylinder axis, the lower end of the locating shaft is offered to match with oil cylinder axis Groove, the upper end of the oil cylinder axis extends to the inside setting of groove, is equipped with lower cylinder cap at the lower ending opening of the cylinder barrel, described Lower cylinder cap is fastenedly connected by fastening bolt and cylinder barrel, and the lower end of the oil cylinder axis through lower cylinder cap and extends under lower cylinder cap Side, and oil cylinder axis is slidably connected with lower cylinder cap, the threaded rod both ends opposite with oil cylinder axis are fixedly connected to mounting ring.

Preferably, the surrounding side wall of the surrounding side wall of the cylinder liner and lower cylinder cap is located at the fixation of one end inside cylinder barrel and sets There is the first sealing ring, the inside and oil cylinder axis joint part of the lower cylinder cap are fixed with the second sealing ring.

Preferably, the lower end of the lower cylinder cap is fixed with dustband, and the lower end of the oil cylinder axis is arranged across dustband, One end that the lower cylinder cap is located inside cylinder barrel is fixed with buffering ring, the buffering ring and oil cylinder axis pivot bush unit.

Preferably, the lateral wall of the locating shaft also fixing sleeve is equipped with wiper ring.

Preferably, one end that the side wall of the oil cylinder axis is located inside grooves is fixed with two symmetrically arranged second and slides Block, the recess sidewall offer the second sliding slot to match with the second sliding block.

Preferably, the screw rod side wall of the fastening bolt is slidingly connected flexible gasket.

Compared with prior art, the utility model provides a kind of die sinking positional cylinder easy to use, and having following has Beneficial effect:

1, the die sinking positional cylinder easy to use is able to drive locating shaft in cylinder barrel by the threaded rod rotation being equipped with Inside moves down, and locating shaft is able to drive oil cylinder axis and moves down, and so as to adjust the initial position of oil cylinder axis, is convenient for The push distance of oil cylinder axis is adjusted, is used convenient for people.

2, the die sinking positional cylinder easy to use, by the first sealing ring being equipped with can be improved cylinder barrel and cylinder liner and under Leakproofness between cylinder cap can be improved the leakproofness between oil cylinder axis and lower cylinder cap by the second sealing ring being equipped with, pass through The dustband being equipped with can be avoided the inside that dust enters cylinder barrel from lower cylinder cap, can be avoided positioning by the buffering ring being equipped with Axis movement strikes lower cylinder cap and damages.

It is not directed to part in the device to be the same as those in the prior art or can be realized by using the prior art, the utility model Oil cylinder axis initial position can be effectively adjusted, so as to adjust the push distance of oil cylinder axis, convenient for improving the control of oil cylinder Precision uses convenient for people.

Detailed description of the invention

Fig. 1 be the utility model proposes one kind it is easy to use die sinking positional cylinder structural schematic diagram；

Fig. 2 is the schematic enlarged-scale view of part A in Fig. 1.

In figure: 1 cylinder barrel, 2 upper cylinder covers, 3 cylinder liners, 4 threaded rods, 5 locating shafts, 6 first sliding blocks, 7 oil cylinder axis, 8 lower cylinder caps, 9 Fastening bolt, 10 first sealing rings, 11 second sealing rings, 12 dustbands, 13 buffering rings, 14 wiper rings, 15 second sliding blocks, 16 bullets Property gasket, 17 mounting rings.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.

In the description of the present invention, it should be understood that term " on ", "lower", "front", "rear", "left", "right", The orientation or positional relationship of the instructions such as "top", "bottom", "inner", "outside" is to be based on the orientation or positional relationship shown in the drawings, and is only For ease of description the utility model and simplify description, rather than the device or element of indication or suggestion meaning must have it is specific Orientation, be constructed and operated in a specific orientation, therefore should not be understood as limiting the present invention.

Referring to Fig.1-2, a kind of die sinking positional cylinder easy to use, including cylinder barrel 1 are fixed at the upper end opening of cylinder barrel 1 It is connected with upper cylinder cover 2, the lower end of upper cylinder cover 2 is fixedly connected with cylinder liner 3, and cylinder liner 3 is located at the inner upper setting of cylinder barrel 1, cylinder liner 3 Upper end center at threaded rod 4 is rotatably connected to by rolling bearing, the upper end of threaded rod 4 through upper cylinder cover 2 and extends to The top of cylinder cap 2, the lower end of threaded rod 4 extend to the lower inside of cylinder barrel 1, and the bar wall of threaded rod 4 is located at one inside cylinder barrel 1 End cap is equipped with locating shaft 5, and threaded rod 4 is threadedly coupled with locating shaft 5, and the sidewall upper of locating shaft 5 is fixed with two symmetrically The first sliding block 6 being arranged, the inner sidewall of cylinder barrel 1 offer the first sliding groove to match with the first sliding block 6, the outside of locating shaft 5 Wall also fixing sleeve is equipped with wiper ring 14, can clean to the inner sidewall of cylinder barrel 1, the bar wall of threaded rod 4 is located inside cylinder barrel 1 One end be also arranged with oil cylinder axis 7, the lower end of locating shaft 5 offers the groove to match with oil cylinder axis 7, the upper end of oil cylinder axis 7 The inside setting of groove is extended to, one end that the side wall of oil cylinder axis 7 is located inside grooves is fixed with two symmetrically arranged the Two sliding blocks 15, recess sidewall offer the second sliding slot to match with the second sliding block 15, more steady when oil cylinder axis 7 can be made mobile It is fixed, and oil cylinder axis 7 is avoided to be detached from from the inside of groove, lower cylinder cap 8 is equipped at the lower ending opening of cylinder barrel 1, lower cylinder cap 8 passes through fastening Bolt 9 is fastenedly connected with cylinder barrel 1, and the screw rod side wall of fastening bolt 9 is slidingly connected flexible gasket 16, can make fastening bolt 9 Installation is fixed more to be consolidated, and avoids fastening bolt 9 from loosening, the lower end of oil cylinder axis 7 through lower cylinder cap 8 and extends to lower cylinder cap 8 Lower section, and oil cylinder axis 7 is slidably connected with lower cylinder cap 8, and the both ends opposite with oil cylinder axis 7 of threaded rod 4 are fixedly connected to installation One end that the surrounding side wall of ring 17, the surrounding side wall of cylinder liner 3 and lower cylinder cap 8 is located inside cylinder barrel 1 is fixed with the first sealing Circle 10 improves the leakproofness between cylinder barrel 1 and cylinder liner 3 and lower cylinder cap 8 by the first sealing ring 10 for being equipped with, lower cylinder cap 8 it is interior Portion and 7 joint part of oil cylinder axis are fixed with the second sealing ring 11, by the second sealing ring 11 being equipped with improve oil cylinder axis 7 with Leakproofness between lower cylinder cap 8, the lower end of lower cylinder cap 8 are fixed with dustband 12, and the lower end of oil cylinder axis 8 passes through dustband 12 and sets It sets, avoids dust from entering the inside of cylinder barrel 1 from lower cylinder cap 8 by the dustband 12 being equipped with, lower cylinder cap 8 is located inside cylinder barrel 1 One end be fixed with buffering ring 13, buffering ring 13 and 7 pivot bush unit of oil cylinder axis avoid locating shaft by the buffering ring 13 being equipped with 5 movements strike lower cylinder cap 8 and damage.

In the utility model, in use, driving locating shaft 5 downward in the inside of cylinder barrel 1 by the rotation of threaded rod 4 being equipped with Mobile, locating shaft 5 drives oil cylinder axis 7 to move down, so that the initial position of oil cylinder axis 7 is adjusted, convenient for adjusting oil cylinder axis 7 Distance is pushed, is used convenient for people, is improved by the first sealing ring 10 being equipped with close between cylinder barrel 1 and cylinder liner 3 and lower cylinder cap 8 Feng Xing improves the leakproofness between oil cylinder axis 7 and lower cylinder cap 8 by the second sealing ring 11 being equipped with, passes through the dustband being equipped with 12 avoid dust from entering the inside of cylinder barrel 1 from lower cylinder cap 8, avoid the movement of locating shaft 5 from striking by the buffering ring 13 being equipped with Lower cylinder cap 8 and damage.

The preferable specific embodiment of the above, only the utility model, but the protection scope of the utility model is not It is confined to this, anyone skilled in the art is within the technical scope disclosed by the utility model, practical according to this Novel technical solution and its utility model design are subject to equivalent substitution or change, should all cover the protection model in the utility model Within enclosing.

Claims (6)

1. a kind of die sinking positional cylinder easy to use, including cylinder barrel (1), which is characterized in that the upper end opening of the cylinder barrel (1) Place is fixedly connected with upper cylinder cover (2), and the lower end of the upper cylinder cover (2) is fixedly connected with cylinder liner (3), and the cylinder liner (3) is located at cylinder The inner upper of cylinder (1) is arranged, and is rotatably connected to threaded rod (4), institute by rolling bearing at the upper end center of the cylinder liner (3) The upper end of threaded rod (4) is stated through upper cylinder cover (2) and extends to the top of upper cylinder cover (2), the lower end of the threaded rod (4) extends To the lower inside of cylinder barrel (1), the bar wall of the threaded rod (4) is located at the internal one end of cylinder barrel (1) and is arranged with locating shaft (5), And threaded rod (4) is threadedly coupled with locating shaft (5), the sidewall upper of the locating shaft (5) be fixed with two it is symmetrically arranged The inner sidewall of first sliding block (6), the cylinder barrel (1) offers the first sliding groove to match with the first sliding block (6), the threaded rod (4) bar wall is located at the internal one end of cylinder barrel (1) and is also arranged with oil cylinder axis (7), and the lower end of the locating shaft (5) offers and oil The groove that cylinder shaft (7) matches, the upper end of the oil cylinder axis (7) extend to the inside setting of groove, the lower end of the cylinder barrel (1) Opening is equipped with lower cylinder cap (8), and the lower cylinder cap (8) is fastenedly connected by fastening bolt (9) with cylinder barrel (1), the oil cylinder axis (7) lower end runs through lower cylinder cap (8) and extends to the lower section of lower cylinder cap (8), and oil cylinder axis (7) is slidably connected with lower cylinder cap (8), The threaded rod (4) both ends opposite with oil cylinder axis (7) are fixedly connected to mounting ring (17).

2. a kind of die sinking positional cylinder easy to use according to claim 1, which is characterized in that the cylinder liner (3) Surrounding side wall and the surrounding side wall of lower cylinder cap (8) are located at the internal one end of cylinder barrel (1) and are fixed with the first sealing ring (10), institute The inside and oil cylinder axis (7) joint part for stating lower cylinder cap (8) are fixed with the second sealing ring (11).

3. a kind of die sinking positional cylinder easy to use according to claim 1, which is characterized in that the lower cylinder cap (8) Lower end be fixed with dustband (12), the lower end of the oil cylinder axis (7) is arranged across dustband (12), the lower cylinder cap (8) One end internal positioned at cylinder barrel (1) is fixed with buffering ring (13), the buffering ring (13) and oil cylinder axis (7) pivot bush unit.

4. a kind of die sinking positional cylinder easy to use according to claim 1, which is characterized in that the locating shaft (5) Lateral wall also fixing sleeve be equipped with wiper ring (14).

5. a kind of die sinking positional cylinder easy to use according to claim 1, which is characterized in that the oil cylinder axis (7) Side wall be located at one end of inside grooves and be fixed with two symmetrically arranged second sliding blocks (15), the recess sidewall offers The second sliding slot to match with the second sliding block (15).

6. a kind of die sinking positional cylinder easy to use according to claim 1, which is characterized in that the fastening bolt (9) screw rod side wall is slidingly connected flexible gasket (16).