CN204975164U - Electric liquid hammer is freely forged to single armed - Google Patents

Abstract

The utility model discloses an electric liquid hammer is freely forged to single armed belongs to free forging hammer field, and the hammer body produced not hard uply and leads to equipment to damage with the base is easy during it had solved current electric liquid hammer is freely forged to single armed working process, the problem of influence production. (1)The utility model comprises a base (1), tup, hammer body and unit head still include locking coupling mechanism, unit head, tup set up respectively the hammer body upper end and lower extreme, hammer body and base link to each other through locking coupling mechanism, locking coupling mechanism including hammer body link and base link, hammer body link fix on one's body the hammer, the base link fix on the base, hammer body link and base link connect through locking fastener. The utility model discloses can resist the impact in the tup working process for a long time, ensure equipment job stabilization, difficult damage, long service life, provide the basis for producing smoothly.

Description

A kind of single arm free forging electrohydraulic hammer

Technical field

The utility model belongs to flat-die forging hammer field, specifically, relates to a kind of single arm free forging electrohydraulic hammer.

Background technology

Single arm is a kind of Novel forging manufacturing apparatus of energy-saving and environmental protection, there is dividing of single armed Single arm, both arms Single arm, operation principle is identical with electrohydraulic dynamic head, but fuselage is distinguished to some extent with pneumatic hammer in the past, the guiding of tup changes " X " guide rail into, within guide clearance can be made to be transferred to 0.3mm, substantially increase the guiding accuracy of Single arm, improve forging quality, extend the hammer stem life-span.The advantage of Single arm comprises: energy-saving and environmental protection; Easy to operate, laborsaving, flexible movements are reliable; System works is stablized, and designs complete safety locking motion; Special structure, more reasonable, safer.

Conventional in flat-die forging is the Single arm of 5t, and due to Single arm, to impact strength large, hammers into shape to be often connected between body with base to loosen in routine use, although repeatedly fastening, connecting bolt still can be made loosening because of the reciprocating great vibrations forged.Especially use old equipment for many years, because connecting bolt loosens, hammer lever of electrohydraulic hammer damages phenomenon and often occurs, and impact is produced.

Chinese Patent Application No. 02211242.1, the patent document in publication date on February 26th, 2003, disclose a kind of single arm free forging electrohydraulic hammer, form primarily of pumping plant, hammer body, working cylinder, reversing slide valve, hammer anvil, increase double-deck working cylinder in former cylinder, retain non-circular piston rod, outside non-circular piston rod, be set with sealing shroud, this spy is installed between sealing shroud and non-circular piston rod and seals and v-seal group; Improve reversing slide valve; Solve " changing head ", " changing head " improvement cost is high, the problems such as pressure is low, its advantage increases double-deck working cylinder in former cylinder, improve structural strength, comparatively " changing head ", " changing head " transformation reduce cost, improve driving medium operating pressure, reach 10Mpa, remain origin operation space.

Chinese Patent Application No. 94102821.6, the patent document in publication date on May 8th, 1996, discloses a kind of single arm type electric hydraulic free hammer, specifically proposes a kind of fluid pressure drive device that drops hammer with novel tup rotation-preventing mechanism.Its formation is: on the tup drive unit of the pneumatic flat-die hammer of existing single arm type, uses a kind of cylindrical hammer stem and annular seal of hollow instead.Fix an anti-bull stick of hollow at the center of Primordial Qi cylinder end cap suitable for reading, make the lower end of this bar formation piston insert the hollow space of cylindrical hammer stem, and slipper seal with it.Fix a chuck be meshed with described anti-bull stick in the upper end of hollow hammer stem, eliminate tup with this and rotate.The anti-bull stick of hollow doubles as into oil discharge passage.

Disclosed in above-mentioned two parts of patent documents, the equal Problems existing of technical scheme is: in the course of the work, and because tup is large to the impulsive force of workpiece, easily cause hammer body and base to loosen, just needs are manually once fastening to use several days; Adopt and go to make up as increased the mechanical means such as spring washer, amendment bolt increase check device, welding non-return block, there is the problem again occurring cannot repair when loosening, the process of simultaneously repairing wastes manpower and production time; And like this for a long time, hammer stem easily damages, and impact is normally produced, and adds production cost.Owing to not solving from structure itself because great vibrations makes hammer body and base produce the problem loosened, the enterprise of Single arm equipment is used to be restricted always and to perplex.

Summary of the invention

The problem that 1, will solve

Easily produce and loosen for hammering body and base in the existing single arm free forging electrohydraulic hammer course of work into shape and cause device damage, the problem that impact is produced, the utility model provides a kind of single arm free forging electrohydraulic hammer, there is the hammer body and understructure that firmly link together, the impact in the tup course of work can be resisted for a long time, ensure that equipment working stability, non-easy damaged, long service life, providing the foundation for producing smoothly.

2, technical scheme

For solving the problem, the utility model adopts following technical scheme.

A kind of single arm free forging electrohydraulic hammer, comprises base, tup, hammer body and unit head, also comprises locking bindiny mechanism, and described unit head, tup are separately positioned on the top and bottom of hammer body; Described hammer body is connected by locking bindiny mechanism with base; Described locking bindiny mechanism comprises hammer body link and base link; Described hammer body link is fixed on it hammer; Described base link is fixed on base; Described hammer body link is connected by anti-loose fastener with base link; Described anti-loose fastener comprises anti-loosening screw; Described anti-loosening screw is two-thread worm, and its two includes two diameter differences, left-right rotary to different thread segments.

Preferably, the quantity of described anti-loose fastener is 12 or 10.

Preferably, described anti-loosening screw two ends thread segment is in the outer part locking screw end, and locking screw end is left-handed thread section, and two ends thread segment is in the inner part binding thread end, and binding thread end is right-handed thread section.

Preferably, described left-handed thread section is provided with locking nut; Described right-handed thread section is provided with clamp nut.

Preferably, packing ring is provided with between described clamp nut and hammer body link.

Preferably, the external diameter of described locking screw end is less than the footpath, the end of binding thread end, and is provided with between locking screw end and binding thread end and tight section.

Preferably, length dimension chain than length dimension chain two clamp nuts between the little 20 ~ 30mm of described anti-loosening screw two ends also between tight section.

3, beneficial effect

Compared to prior art, the beneficial effects of the utility model are:

(1) the utility model hammer body is connected by locking bindiny mechanism with base, larger working impact can be resisted, wherein binding thread end is right-handed thread section, play the effect of fastening hammer body and base, and locking nut is left-handed nut, the effect by hammer body and base locking can be played, when Single arm hits forging in impact type, because great vibrations is impacted, adopt the clamp nut of common same rotation direction and locking nut all may have loosening trend, hammer body and base occur to loosen and are also inevitable, and the utility model moves back the tightening direction that direction is just in time left-handed locking nut due to the pine that is rotated counterclockwise of dextrorotation clamp nut, locking nut just in time prevents the pine of clamp nut to move back, once after the nut of two different rotation directions tightens mutually, ensure that Single arm hammer body and base do not loosen with regard to complete from structure, loosen so enable the utility model resist to add large impact to be also unlikely to junction, extend service life, avoid artificial repeatedly fastening, save labour, ensure that equipment use security, stability, improve operating efficiency,

(2) quantity of the utility model anti-loose fastener is 12 or 10, adds the firmness of the utility model junction, improves the stability in equipment running process further;

(3) the loosening rotation direction of the utility model right-handed nut is the fastening direction of left-handed nut, therefore can play good anti-loosing effect;

(4) be provided with packing ring between the utility model clamp nut and hammer body link, can make together with clamp nut fits tightly with locking nut, to play anti-loosing effect better;

(5) external diameter of locking screw end described in the utility model is less than the footpath, the end of binding thread end, and clamp nut can be made like this to screw in binding thread end smoothly and not interfere with locking screw end; Be provided with between locking screw end and binding thread end and tight section; Length dimension chain than length dimension chain two clamp nuts between the little 20 ~ 30mm of anti-loosening screw two ends also between tight section, this assures the plane that can exceed binding thread end after clamp nut is installed, namely guarantee that clamp nut and locking nut can be closely linked in latter two nut plane of screw-in anti-loosening screw, play anti-loosing effect.

Accompanying drawing explanation

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

Fig. 2 is the structural representation of the utility model anti-loose fastener.

In figure: 1, base; 2, tup; 3, body is hammered into shape; 4, unit head; 5, locking bindiny mechanism; 6, clamp nut; 7, locking nut; 8, anti-loosening screw; 9, locking screw end; 10, binding thread end; 11, packing ring; 12, body link is hammered into shape; 13, base link; 14 and tight section.

Detailed description of the invention

Embodiment 1

As depicted in figs. 1 and 2, a kind of single arm free forging electrohydraulic hammer, comprise base 1, tup 2, hammer body 3 and unit head 4, also comprise locking bindiny mechanism 5, unit head 4, tup 2 are separately positioned on the top and bottom of hammer body 3; Hammer body 3 is connected by locking bindiny mechanism 5 with base 1; Locking bindiny mechanism 5 comprises hammer body link 12 and base link 13; Hammer body link 12 is fixed on hammer body 3; Base link 13 is fixed on base 1; Hammer body link 12 is connected by anti-loose fastener with base link 13; The quantity of anti-loose fastener is 10, and hammer body 3 is respectively provided with 5 with the both sides of base 1 contact jaw; Anti-loose fastener comprises anti-loosening screw 8; Anti-loosening screw 8 is two-thread worm, and its two includes two diameter differences, left-right rotary to different thread segments; Anti-loosening screw 8 two ends thread segment is in the outer part locking screw end 9, and locking screw end 9 is left-handed thread section, and two ends thread segment is in the inner part binding thread end 10, and binding thread end 10 is right-handed thread section; The specification of locking screw end 9 is M72 × 6mm, the specification of binding thread end 10 is M80 × 6mm, and be provided with between locking screw end 9 and binding thread end 10 and tight section 14, length dimension chain than length dimension chain two clamp nuts 6 between the little 20 ~ 30mm of anti-loosening screw 8 two ends also between tight section 14, ensures the plane 10mm that can exceed binding thread end 10 after clamp nut 6 is installed; Left-handed thread section is provided with locking nut 7; Right-handed thread section is provided with clamp nut 6; Packing ring 11 is provided with between clamp nut 6 and hammer body link 12.

Now the installation process of locking bindiny mechanism 5 combined between hammer body 3 and base 1 is further described the utility model: locking bindiny mechanism 5 comprises and hammers body link 12 and base link 13 into shape, wherein hammer body link 12 into shape to be structure as a whole with hammer body 3, base link 13 and base 1 are structure as a whole, anti-loose fastener comprises anti-loosening screw 8 and the clamp nut 6 that is arranged on anti-loosening screw 8 and locking nut 7, wherein anti-loosening screw 8 is first successively through base link 13, hammer body link 12, then two packing rings 11 are put into respectively at the two ends of anti-loosening screw 8, again two clamp nuts 6 are spun on binding thread end 10 from the two ends of anti-loosening screw 8, finally successively two locking nuts 7 are spun on locking screw end 9 from the two ends of anti-loosening screw 8, because clamp nut 6 internal thread is right-handed thread, therefore turn clockwise and can to screw in from the two ends of anti-loosening screw 8 and fastening, after clamp nut 6 screws, locking nut 7 is screwed in respectively by counter clockwise direction from the two ends of anti-loosening screw 8, due to and the setting of tight section 14, and length dimension chain than length dimension chain two clamp nuts 6 between the little 20mm of anti-loosening screw 8 two ends also between tight section 14, the i.e. also tight section 14 at anti-loosening screw 8 two ends, two binding thread ends 10, length summation between two binding thread ends 10 is than two clamp nuts 6, two packing rings 11, hammer body link 12, the little 20mm of length summation between base link 13, ensure that the plane 10mm that can exceed binding thread end 10 after clamp nut 6 is installed, locking nut 7 just can completely, closely be fitted on clamp nut 6, and hammer body 3 and base 1 link together by securely in cooperation.

In utility model works process, owing to impacting, produce between hammer body 3 and base 1 and shake, during vibrations, clamp nut 6 by generation be rotated counterclockwise loosening trend, but due to locking nut 7 be left-handed nut, and left-handed nut be rotated counterclockwise for locking direction, therefore the loosening trend of clamp nut 6 just in time becomes the locking trend of locking nut 7, thus clamp nut 6 can not be loosened, hammer body 3 is kept with being firmly connected between base 1.

The utility model uses above-mentioned locking principle, hammer body and base are linked together securely, and the impact can resisted for a long time in the tup course of work, do not produce loosening, facts have proved, the utility model carry out once before being initiated fastening after, after using one week continuously, more once fastening by original order, the trace produced is loosened and eliminates, all fastening without the need to carrying out again in the later course of work, so equipment working stability, non-easy damaged can be guaranteed for a long time; Simultaneously the utility model comparatively prior art also extend service life, reducing production cost, providing the foundation for producing smoothly.

Embodiment 2

Identical with embodiment 1, difference is, anti-loosening screw 8 two ends locking screw end 9 is in the outer part right-handed thread section, and two ends thread segment is in the inner part binding thread end 10 is left-handed thread section; The quantity of anti-loose fastener is 12, and hammer body 3 is respectively provided with 6 with the both sides of base 1 contact jaw; Length dimension chain than length dimension chain two clamp nuts 6 between the little 30mm of anti-loosening screw 8 two ends also between tight section 14, ensure that the plane 15mm that can exceed binding thread end 10 after clamp nut 6 is installed.

Claims (7)

1. a single arm free forging electrohydraulic hammer, comprise base (1), tup (2), hammer body (3) and unit head (4), it is characterized in that: also comprise locking bindiny mechanism (5), described unit head (4), tup (2) are separately positioned on the top and bottom of hammer body (3); Described hammer body (3) is connected by locking bindiny mechanism (5) with base (1); Described locking bindiny mechanism (5) comprises hammer body link (12) and base link (13); Described hammer body link (12) is fixed on hammer body (3); Described base link (13) is fixed on base (1); Described hammer body link (12) is connected by anti-loose fastener with base link (13); Described anti-loose fastener comprises anti-loosening screw (8); Described anti-loosening screw (8) is two-thread worm, and its two includes two diameter differences, left-right rotary to different thread segments.

2. a kind of single arm free forging electrohydraulic hammer according to claim 1, is characterized in that: the quantity of described anti-loose fastener is 12 or 10.

3. a kind of single arm free forging electrohydraulic hammer according to claim 1, it is characterized in that: described anti-loosening screw (8) two ends thread segment is in the outer part locking screw end (9), locking screw end (9) is left-handed thread section, two ends thread segment is in the inner part binding thread end (10), and binding thread end (10) is right-handed thread section.

4. a kind of single arm free forging electrohydraulic hammer according to claim 3, is characterized in that: described left-handed thread section is provided with locking nut (7); Described right-handed thread section is provided with clamp nut (6).

5. a kind of single arm free forging electrohydraulic hammer according to claim 4, is characterized in that: be provided with packing ring (11) between described clamp nut (6) and hammer body link (12).

6. a kind of single arm free forging electrohydraulic hammer according to claim 5, it is characterized in that: the external diameter of described locking screw end (9) is less than the footpath, the end of binding thread end (10), and be provided with between locking screw end (9) and binding thread end (10) and tight section (14).

7. a kind of single arm free forging electrohydraulic hammer according to claim 6, is characterized in that: length dimension chain than length dimension chain two clamp nuts (6) between the little 20 ~ 30mm of described anti-loosening screw (8) two ends also between tight section (14).