CN208390837U - Hydraulic pipe shrinkage machine - Google Patents

Abstract

Hydraulic pipe shrinkage machine, including cabinet, hydraulic control system is equipped in it, hydraulic cylinder, pipe-reduction mold and unloading mechanism, hydraulic control system controls hydraulic cylinder, hydraulic cylinder is connect with pipe-reduction mold, cabinet front end is equipped with fixed plate, fixed plate is equipped with sliding sleeve, locating shaft is equipped in sliding sleeve, pipe-reduction mold includes external mold and internal model, external mold and internal model are coaxially disposed and external mold is set on the outside of internal model, internal model and external mold are by the annulus block quartering, each equal piecemeals are gathered or are separated by different Driven by Hydraulic Cylinder respectively, locating shaft two ends stretch out sliding sleeve, locating shaft one end is connect with pipe-reduction mold, internal model is set to the other end periphery of locating shaft, institute's unloading mechanism is fixed in fixed plate, the extended sliding sleeve of unloading mechanism exits the round tube outside inner membrance.The utility model internal model and external mold are all made of the annulus of the quartering, and respective four part is controlled by different hydraulic cylinders, realize and just complete the draw movement while clamping, structure is simple, compact, occupied area is small.

Description

Hydraulic pipe shrinkage machine

Technical field

The utility model belongs to machine for shrinking field, more particularly, to hydraulic pipe shrinkage machine.

Background technique

Machine for shrinking is to carry out expander and the draw to pipe fitting end face under normal conditions, is controlled by the touching display screen of integrated control Automatic hydraulic tube end maching is mechanical, and more mold exchange can carry out the tube end machings such as expander, the draw, bulge, upsetting muscle to pipe fitting and form, Existing machine for shrinking volume is relatively large, and how to design a kind of hydraulic pipe shrinkage machine simple, compact, that occupied area is small of structure becomes The project of those skilled in the art's research.

Utility model content

In view of this, the utility model is intended to provide the hydraulic pipe shrinkage machine that a kind of structure is simple, compact, occupied area is small.

In order to achieve the above objectives, the technical solution of the utility model is achieved in that

Hydraulic pipe shrinkage machine, including cabinet, the cabinet is interior to be equipped with hydraulic control system, hydraulic cylinder, pipe-reduction mold and the material returned Mechanism, the hydraulic control system control the hydraulic cylinder, and the hydraulic cylinder is connect with the pipe-reduction mold, the cabinet front end Equipped with fixed plate, the fixed plate is equipped with sliding sleeve, is equipped with locating shaft in the sliding sleeve, and the pipe-reduction mold includes external mold and interior Mould, the external mold and the internal model are coaxially disposed and the external mold is set to the outside of the internal model, the internal model and the external mold It is by the annulus block quartering, each equal piecemeals are gathered or separated by different Driven by Hydraulic Cylinder respectively, the locating shaft two The sliding sleeve is stretched out at end, and described locating shaft one end is connect with pipe-reduction mold, and the internal model is set to the other end of the locating shaft Periphery, the unloading mechanism are fixed in the fixed plate, and the extended sliding sleeve of unloading mechanism is by the round tube outside inner membrance It exits.

The unloading mechanism includes fixed frame, and the fixed frame is fixed in the fixed plate, is set up on the fixed frame There is material returned hydraulic cylinder, the push rod in the material returned hydraulic cylinder passes through fixed frame and the positioning axis connection, and the push rod is pierced by institute One end periphery for stating fixed frame is equipped with connector, and the connector is equipped with material returned bar, the extended sliding sleeve of material returned bar Round tube outside inner membrance is exited.

The fixed plate bottom is equipped with L-type gusset.

The material returned bar and the internal model corresponding position are equipped with material returned bar slot.

The material returned bar is three be placed equidistant with.

Compared with the existing technology, hydraulic pipe shrinkage machine described in the utility model has the advantage that

Due to the adoption of the above technical scheme:

1. the utility model internal model and external mold are all made of the annulus of the quartering, and respective four part is by different hydraulic Cylinder control is realized and just completes the draw movement while clamping, and structure is simple, compact, occupied area is small；

2. the utility model unloading mechanism uses material returned hydraulic cylinder, and push rod and positioning axis connection, push rod periphery connector On material returned bar extended sliding sleeve the round tube outside inner membrance is exited, the material returned is convenient and strength-saving；

3. the setting of the utility model L-type gusset improves the intensity of fixed plate, extend service life of equipment；

4. the utility model material returned bar and internal model corresponding position are equipped with material returned bar slot, on the one hand there is guiding to make material returned bar With on the other hand saving space, is conducive to reduce volume.

Detailed description of the invention

The attached drawing for constituting a part of the utility model is used to provide a further understanding of the present invention, this is practical new The illustrative embodiments and their description of type are not constituteed improper limits to the present invention for explaining the utility model.? In attached drawing:

Fig. 1 is the structural schematic diagram of the utility model.

In figure: 1. pipe-reduction molds, 11. locating shafts, 12. internal models, 13. external molds, 2. round tubes, 3. hydraulic cylinders, 4. unloading mechanisms, 41. fixed frame, 42. push rods, 43. material returned bars, 44. connectors, 5. hydraulic control systems, 6. cabinets, 61. fixed plates.

Specific embodiment

It should be noted that in the absence of conflict, the feature in the embodiments of the present invention and embodiment can To be combined with each other.

In the description of the present invention, it should be understood that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.In addition, term " first ", " second " etc. are used for description purposes only, and should not be understood as indicating Or it implies relative importance or implicitly indicates the quantity of indicated technical characteristic." first ", " second " etc. are defined as a result, Feature can explicitly or implicitly include one or more of the features.It is in the description of the present invention, unless another It is described, the meaning of " plurality " is two or more.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is pacified Dress ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection；It can be mechanical connection, be also possible to be electrically connected；Can be directly connected, can also indirectly connected through an intermediary, It can be the connection inside two elements.For the ordinary skill in the art, on being understood by concrete condition State the concrete meaning of term in the present invention.

The utility model will be described in detail below with reference to the accompanying drawings and embodiments.

As shown in Figure 1, hydraulic pipe shrinkage machine, including cabinet 6, be equipped in the cabinet 6 hydraulic control system 5, hydraulic cylinder 3, Pipe-reduction mold 1 and unloading mechanism 4, the hydraulic control system 5 control the hydraulic cylinder 3, the hydraulic cylinder 3 and the draw mould 1 connection of tool, 6 front end of cabinet are equipped with fixed plate 61, and the fixed plate 61 is equipped with sliding sleeve, is equipped with positioning in the sliding sleeve Axis 11, the pipe-reduction mold 1 include external mold 13 and internal model 12, and the external mold 13 is coaxially disposed and described outer with the internal model 12 For mould 13 set on the outside of the internal model 12, the internal model 12 and the external mold 13 are by the annulus block quartering, each equal piecemeals Gathered or separated by the different drivings of hydraulic cylinder 3 respectively, the sliding sleeve, the positioning are stretched out in 11 both ends of locating shaft 11 one end of axis is connect with pipe-reduction mold 1, and the internal model 12 is set to the other end periphery of the locating shaft 11, the unloading mechanism 4 It is fixed in the fixed plate 61, the extended sliding sleeve of unloading mechanism 4 exits the round tube 2 outside inner membrance.

The unloading mechanism 4 includes fixed frame 41, and the fixed frame 41 is fixed in the fixed plate 61, the fixation Material returned hydraulic cylinder 3 is provided on frame 41, the push rod 42 in the material returned hydraulic cylinder 3 passes through fixed frame 41 and the locating shaft 11 Connection, one end periphery that the push rod 42 is pierced by the fixed frame 41 are equipped with connector 44, and the connector 44 is equipped with the material returned Bar 43, the extended sliding sleeve of material returned bar 43 exit the round tube 2 outside inner membrance.

61 bottom of fixed plate is equipped with L-type gusset.

The material returned bar and 12 corresponding position of internal model are equipped with 43 slot of material returned bar.It is not shown in the figure.

The material returned bar is three be placed equidistant with.It is not shown in the figure.

When work, start the corresponding hydraulic cylinder 3 of internal model 12, internal model 12 is collapsed to suitably sized and (meets different bores Round tube 2), by 2 sets of round tube outside internal model 12, the corresponding hydraulic cylinder 3 of external mold 13 is started, clamp round tube 2 be completed at the same time contracting Pipe movement, when moving back pipe, the corresponding hydraulic cylinder 3 of external mold 13 is withdrawn, external mold 13 leaves round tube 2, and internal model 12 is slightly shunk, started simultaneously Material returned hydraulic cylinder 3, material returned bar 43 can eject round tube 2.

The above is only the preferred embodiment of the utility model only, is not intended to limit the utility model, all at this Within the spirit and principle of utility model, any modification, equivalent replacement, improvement and so on should be included in the utility model Protection scope within.

Claims (5)

1. hydraulic pipe shrinkage machine, it is characterised in that: including cabinet, hydraulic control system, hydraulic cylinder, draw mould are equipped in the cabinet Tool and unloading mechanism, the hydraulic control system control the hydraulic cylinder, and the hydraulic cylinder is connect with the pipe-reduction mold, described Cabinet front end is equipped with fixed plate, and the fixed plate is equipped with sliding sleeve, is equipped with locating shaft in the sliding sleeve, the pipe-reduction mold includes External mold and internal model, the external mold and the internal model are coaxially disposed and the external mold is set to the outside of the internal model, the internal model and The external mold is by the annulus block quartering, and each equal piecemeals are gathered or separated by different Driven by Hydraulic Cylinder respectively, described Locating shaft two ends stretch out the sliding sleeve, and described locating shaft one end is connect with pipe-reduction mold, and the internal model is set to the locating shaft Other end periphery, the unloading mechanism is fixed in the fixed plate, and the extended sliding sleeve of unloading mechanism is by inner membrance Outer round tube exits.

2. hydraulic pipe shrinkage machine according to claim 1, it is characterised in that: the unloading mechanism includes fixed frame, described solid Determine frame to be fixed in the fixed plate, material returned hydraulic cylinder is provided on the fixed frame, the push rod in the material returned hydraulic cylinder is worn Fixed frame and the positioning axis connection are crossed, one end periphery that the push rod is pierced by the fixed frame is equipped with connector, the connection Part is equipped with material returned bar, and the extended sliding sleeve of material returned bar exits the round tube outside inner membrance.

3. hydraulic pipe shrinkage machine according to claim 1 or 2, it is characterised in that: the fixed plate bottom is equipped with L-type gusset.

4. hydraulic pipe shrinkage machine according to claim 2, it is characterised in that: the material returned bar is set with the internal model corresponding position There is material returned bar slot.

5. hydraulic pipe shrinkage machine according to claim 2, it is characterised in that: the material returned bar is three be placed equidistant with.