CN208288966U - Prevent adhesion ejection device utilizing slide block spring structure - Google Patents

Abstract

It prevents adhesion ejection device utilizing slide block spring structure the utility model discloses one kind, it is made of several butterfly spring stacked groups, butterfly spring stacked group includes the first butterfly spring, second butterfly spring, connect the copper pipe and the nut in mating connection with copper pipe both ends of the first butterfly spring and the second butterfly spring, first butterfly spring and the second butterfly spring are trapezoid cross section butterfly spring, first butterfly spring is connect with the second butterfly spring pairing, the both ends of copper pipe are formed with screw thread, copper pipe and nut, which are connected through a screw thread, fixes the first butterfly spring and the second butterfly spring, the end of second butterfly spring is in contact with the end of the first butterfly spring of adjacent butterfly spring stacked group, and it is connected between the butterfly spring that is in contact of adjacent butterfly spring stacked group by torsional spring.The utility model application butterfly stacks main truss of the groups of springs as spring structure, and long service life, elasticity are excellent, and torsional spring connects butterfly spring stacked group, enhances the elasticity of spring structure.

Description

Prevent adhesion ejection device utilizing slide block spring structure

Technical field

It prevents adhesion ejection device utilizing slide block, the in particular to spring structure in liftout attachment, belongs to the utility model relates to one kind In die casting technical field.

Background technique

Die casting be cast liquid forging a kind of method, a kind of technique completed in dedicated die casting forging machine, closely As the fast development of automobile industry, die casting gradually develop to integrated direction over year, the structure of product also becomes increasingly complex, sliding Block structure is excessively complicated, and enclasping force is big, in process of production, the easy sticking to mould of blank and metaboly occurs, and removes the object of adherency Matter larger workload and the damage that can not be repaired completely is caused to mold, in order to solve problems, propose that cover half is counter in succession and push up With sliding block is counter pushes up.

Wherein, sliding block, which instead pushes up, is normally applied the mechanical anti-roof construction of wedging type sliding block, and the working principle of this structure is opened for sliding block To begin in a distance of extraction, the position of thimble remains stationary, and when such product is detached from sliding block, thimble plays the role of ejection, but It is easy break-down in use, be easiest to break down is exactly wedging structure, and wedging structure is in long-time use condition Under, spring fatigue causes wedge block that can not fix top plate, so that anti-roof construction fails, running check is needed to replace spring.

Summary of the invention

To solve the deficiencies in the prior art, the purpose of the present invention is to provide one kind to be applied to the ejection device utilizing slide block that prevents adhesion Spring structure, the spring structure is durable and elastic excellent.

In order to achieve the above objectives, the present invention adopts the following technical scheme that: one kind prevents adhesion ejection device utilizing slide block spring Structure, it is characterised in that: the spring structure is made of several butterfly spring stacked groups, and the butterfly spring stacked group includes the One butterfly spring, the second butterfly spring, connection the first butterfly spring and the second butterfly spring copper pipe and with copper pipe both ends matching The nut of connection is closed, first butterfly spring and the second butterfly spring are trapezoid cross section butterfly spring, first butterfly Spring is connect with the second butterfly spring pairing, and the both ends of the copper pipe are formed with screw thread, the copper pipe and nut and are connected by screw thread It connects and fixes the first butterfly spring and the second butterfly spring, the end of second butterfly spring and adjacent butterfly spring stacked group The end of first butterfly spring is in contact, and is connected between the butterfly spring that is in contact of adjacent butterfly spring stacked group by torsional spring It connects.

Preferably, first butterfly spring is identical as the second butterfly spring model, size, so that butterfly spring stacks Group is easily assembled, and extends the service life of spring structure.

Further preferably, the nut at copper pipe both ends is detachable, ease of assembly and to butterfly spring overhaul.

It is further preferred that elastomeric pad is equipped between the butterfly spring contact surface of the butterfly spring stacked group, it is described Elastomeric pad is rubber sheet gasket, and the butterfly spring contact surface of butterfly spring stacked group is separated with rubber sheet gasket, reduces butterfly bullet Friction between spring contact surface extends butterfly spring service life.

Still more preferably, the both ends of the torsional spring are formed as hook arrangement, connect the butterfly spring by steel button Stacked group, the steel button are set to butterfly spring on piece by screw, and torsional spring connection will not only connect between butterfly spring stacked group, The elasticity of spring structure, and convenient disassembly are further enhanced, is easily overhauled.

The invention has the beneficial effects that: 1) it using butterfly stacks groups of springs main truss as spring structure, uses the longevity Life is long, elasticity is excellent；2) torsional spring connects butterfly spring stacked group, enhances the elasticity of spring structure；3) copper pipe elasticity is preferably, economical Light, corrosion resistance is excellent, can be good at the butterfly spring for being connected and fixed butterfly spring stacked group, is connected through a screw thread fixed pair The butterfly spring of the conjunction and nut at copper pipe both ends is detachable, convenient overhaul to butterfly spring are replaced.

Detailed description of the invention

Fig. 1 is that the utility model prevents adhesion ejection device utilizing slide block spring structure schematic diagram,

Fig. 2 is the butterfly spring stacked group structural schematic diagram of the utility model,

Fig. 3 is the copper pipe structure schematic diagram in butterfly spring stacked group structure shown in Fig. 2,

Fig. 4 is torsional spring connection schematic diagram between the butterfly spring stacked group of spring structure shown in Fig. 1,

Appended drawing reference meaning:

1- butterfly spring stacked group, the first butterfly spring of 1-1-, the second butterfly spring of 1-2-, 2- torsional spring, 3- copper pipe, 4- rubber Glue gasket, 5- nut, 6- steel button.

Specific embodiment

Specific introduce is made to the present invention below in conjunction with the drawings and specific embodiments.

In the description of the present invention, it is to 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 description of the present invention and simplification of the description, rather than instruction or dark Show that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as pair Limitation of the invention.In addition, term " first ", " second " are used for description purposes only, it is not understood to indicate or imply opposite Importance.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition Concrete meaning in invention.

In the description of this specification, reference term " one embodiment ", " some embodiments ", " example ", " specifically show The description of example " or " some examples " etc. means specific features, structure, material or spy described in conjunction with this embodiment or example Point is included at least one embodiment or example of the invention.In the present specification, schematic expression of the above terms are not Centainly refer to identical embodiment or example.Moreover, particular features, structures, materials, or characteristics described can be any One or more embodiment or examples in can be combined in any suitable manner.

It is as shown in Figure 1 the ejection device utilizing slide block spring structure that prevents adhesion, passes through torsional spring 2 by several butterfly spring stacked groups 1 It connects and composes, butterfly spring stacked group 1 is combined to form by the first butterfly spring 1-1 and the second butterfly spring 1-2, and butterfly spring It is connected between the butterfly spring 1-2 of stacked group 1 and the butterfly spring 1-1 of adjacent butterfly spring stacked group 1 by torsional spring.

It is illustrated in figure 2 one group of 1 structural schematic diagram of butterfly spring stacked group, copper pipe 3 connects the butterfly spring of two panels pairing It is connected together, rubber sheet gasket 4, which is interposed between two panels butterfly spring, is separated by butterfly spring contact surface, is connect with reducing butterfly spring Friction between contacting surface extends the service life between butterfly spring；Wherein, Fig. 3 show the structural schematic diagram of copper pipe 3, copper The both ends of pipe 3 are helicitic texture, and are equipped with dismountable nut 5, and copper elasticity is preferable, light corrosion-resistant, connect butterfly using copper pipe Shape spring can fix the two panels butterfly spring of pairing well, and dismountable be threadedly coupled further fixes butterfly spring heap Stacked group 1, and ease of assembly and to the longer butterfly spring of service life overhaul.

Fig. 4 show connection schematic diagram between adjacent butterfly spring stacked group 1, connects adjacent butterfly spring using torsional spring 2 Stacked group 1 further enhances the elasticity of spring structure, the butterfly spring 1-2 and adjacent butterfly spring of butterfly spring stacked group 1 Steel button 6 is equipped on the butterfly spring 1-1 of stacked group 1, the both ends of torsional spring 2 are formed as hook arrangement, so that hook arrangement is buckled in On steel button 6.

In conclusion stacking main truss of the groups of springs 1 as the ejection device utilizing slide block spring structure that prevents adhesion using butterfly, make It is long, elastic excellent with the service life；Torsional spring 2 connects butterfly and stacks groups of springs 1, enhances the bullet for the ejection device utilizing slide block spring structure that prevents adhesion Property.

The basic principles, main features and advantages of the invention have been shown and described above.The technical staff of the industry should Understand, the above embodiments do not limit the invention in any form, all obtained by the way of equivalent substitution or equivalent transformation Technical solution is fallen within the scope of protection of the present invention.

Claims (6)

1. The ejection device utilizing slide block spring structure 1. one kind prevents adhesion, it is characterised in that: the spring structure is by several butterfly spring heaps Stacked group is constituted, and the butterfly spring stacked group includes the first butterfly spring, the second butterfly spring, the first butterfly spring of connection and the The copper pipe of two butterfly springs and the nut in mating connection with copper pipe both ends, first butterfly spring and the second butterfly spring are equal For trapezoid cross section butterfly spring, first butterfly spring is connect with the second butterfly spring pairing, and the both ends of the copper pipe are formed There is screw thread, the copper pipe and nut, which are connected through a screw thread, fixes the first butterfly spring and the second butterfly spring, second butterfly The end of spring is in contact with the end of the first butterfly spring of adjacent butterfly spring stacked group, and adjacent butterfly spring stacked group It is connected between the butterfly spring being in contact by torsional spring.
2. 2. the ejection device utilizing slide block spring structure according to claim 1 that prevents adhesion, it is characterised in that: the first butterfly bullet Spring is identical as the second butterfly spring model, size.
3. 3. the ejection device utilizing slide block spring structure according to claim 1 that prevents adhesion, it is characterised in that: the copper pipe both ends Nut is detachable.
4. 4. the ejection device utilizing slide block spring structure according to claim 1 that prevents adhesion, it is characterised in that: the butterfly spring heap Elastomeric pad is equipped between the butterfly spring contact surface of stacked group.
5. 5. the ejection device utilizing slide block spring structure according to claim 4 that prevents adhesion, it is characterised in that: the elastomeric pad is Rubber sheet gasket.
6. 6. the ejection device utilizing slide block spring structure according to claim 1 that prevents adhesion, it is characterised in that: the both ends of the torsional spring Be formed as hook arrangement, the two panels disk spring up and down of the butterfly spring group is connected by steel button, the steel button passes through screw It is connected to butterfly spring on piece.