CN215467841U

CN215467841U - Clamping mechanism for free forging double-arm electro-hydraulic hammer

Info

Publication number: CN215467841U
Application number: CN202121260375.3U
Authority: CN
Inventors: 董运杰
Original assignee: Zhangqiu Xinghuo Forging Co Ltd
Current assignee: Zhangqiu Xinghuo Forging Co Ltd
Priority date: 2021-06-07
Filing date: 2021-06-07
Publication date: 2022-01-11
Anticipated expiration: 2031-06-07

Abstract

The utility model relates to the technical field of free forging, and discloses a clamping mechanism for a free forging double-arm electro-hydraulic hammer, which comprises a fixed base, wherein two opposite racks are fixedly installed at the top of the fixed base, a hydraulic cylinder is fixedly installed at the top of each rack, a hydraulic rod positioned between the two racks is fixedly installed at the bottom of the hydraulic cylinder, a sliding block is fixedly installed at the bottom of the hydraulic rod, a hammer body is fixedly installed at the bottom of the sliding block, and a processing table positioned below the hammer body is fixedly installed at the top of the fixed base. This a clamping machine constructs for freely forging both arms electro-hydraulic hammer, through the outside movable block of a lead screw activity installation each other towards the middle part activity make the connecting rod promote the propulsion piece to move to the inboard under the pivot rotation of movable block top fixed mounting, impel relatively through two propulsion pieces and make the clamp splice under damping device's connection and clamp the effect that the work piece reaches fixed centre gripping.

Description

Clamping mechanism for free forging double-arm electro-hydraulic hammer

Technical Field

The utility model relates to the technical field of free forging, in particular to a clamping mechanism for a free forging double-arm electro-hydraulic hammer.

Background

Free forging is a method of processing a forging piece, called free forging for short, in which metal is freely deformed in all directions between upper and lower anvil surfaces by impact force or pressure, and a desired shape, size and certain mechanical properties are obtained without any restriction.

Current free forging both arms electro-hydraulic hammer is by artifical centre gripping forging iron, and artifical centre gripping is stable inadequately, and the forging iron finished product effect is accurate inadequately, and can receive great vibrations under the hammering of electro-hydraulic hammer during artifical centre gripping forging iron, and vibrations many times can make operative employee's health tired out to make forging iron efficiency descend, consequently propose a clamping mechanism that is used for freely forging both arms electro-hydraulic hammer on solve the above-mentioned problem that proposes.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Aiming at the defects of the prior art, the utility model provides the clamping mechanism for freely forging the double-arm electro-hydraulic hammer, which has the advantages of stable clamping, damping effect and the like, and solves the problems that the precision of a forged finished product is not high and a worker feels uncomfortable due to vibration when the conventional forged iron is manually clamped.

(II) technical scheme

In order to realize the purposes of stable clamping and shock absorption, the utility model provides the following technical scheme: a clamping mechanism for a free forging double-arm electro-hydraulic hammer comprises a fixed base, wherein two opposite machine frames are fixedly mounted at the top of the fixed base, a hydraulic cylinder is fixedly mounted at the top of each machine frame, a hydraulic rod positioned between the two machine frames is fixedly mounted at the bottom of the hydraulic cylinder, a slider is fixedly mounted at the bottom of the hydraulic rod, a hammer body is fixedly mounted at the bottom of the slider, a processing table positioned below the hammer body is fixedly mounted at the top of the fixed base, a motor is fixedly mounted at the front of the processing table, a rotary joint is fixedly mounted at the rear side of the inner wall of the processing table, a lead screw rotatably connected with the rotary joint is fixedly mounted on an output shaft of the motor, a guide rod positioned at one side of the lead screw far away from the lead screw is fixedly mounted inside the processing table, and a movable block is movably mounted outside the lead screw and the guide rod, run through around the movable block and set up the silk hole corresponding with the lead screw, run through around the movable block and set up the guiding hole corresponding with the guide bar, the constant head tank has been seted up to the inner wall bottom of processing platform, the top movable mounting of constant head tank has the propulsion piece, the bottom fixed mounting that impels the piece has the location slider corresponding with the constant head tank, the movable block has the connecting rod with the top swing joint who impels the piece, it has damping device to impel one side fixed mounting that the piece kept away from the lead screw, one side fixed mounting that damping device kept away from the propulsion piece has the clamp splice.

Preferably, the left side and the right side of the sliding block are fixedly provided with sliding grooves, the opposite surfaces of the rack are fixedly provided with sliding strips, and the sliding block is fixed with the movable track of the rack.

Preferably, the connecting rod comprises two pivots and dwang, and two pivot distributions set up at the top of movable block and propulsion piece, and the propulsion piece is the obtuse angle between connecting rod and the vertical angle when being located the constant head tank left side.

Preferably, the damping device comprises a telescopic rod and two damping springs fixedly mounted outside the telescopic rod, and the two damping devices are arranged between the propelling block and the clamping block in a front-back manner.

Preferably, a thread groove is formed in the screw hole, the thread groove is in threaded connection with a thread bar outside the screw rod, and the movable block is in threaded connection with the screw rod and in sliding connection with the guide rod.

Preferably, the clamping block is composed of two symmetrically arranged clamps which can be clamped mutually, and the opposite surface of each clamp is an arc-shaped clamping opening.

(III) advantageous effects

Compared with the prior art, the utility model provides a clamping mechanism for a free forging double-arm electro-hydraulic hammer, which has the following beneficial effects:

1. this a clamping machine constructs for freely forging both arms electro-hydraulic hammer, through the outside movable block of a lead screw activity installation each other towards the middle part activity make the connecting rod promote the propulsion piece to move to the inboard under the pivot rotation of movable block top fixed mounting, impel relatively through two propulsion pieces and make the clamp splice under damping device's connection and clamp the effect that the work piece reaches fixed centre gripping.

2. When the clamping mechanism is used, the hydraulic rod is driven by the driving hydraulic cylinder to downwards push the sliding block to move, the sliding block stably downwards moves under the matching of the sliding strip and the sliding groove, the hammer body at the bottom of the sliding block downwards processes a workpiece, the screw rod fixedly arranged on an output shaft of the motor rotates through the driving motor, the movable block moves along the outside of the screw rod under the positioning of the guide rod and the guide block through the threaded matching of the thread strip outside the screw rod and the thread groove inside the screw hole, the angles of the two connecting rods are changed through the opposite movement of the two movable blocks, the included angle towards the vertical direction is gradually changed into ninety degrees and pushes the pushing block which is rotatably connected with the connecting rods to move, the pushing block moves along the fixed direction under the matching of the sliding block fixedly arranged at the bottom and the positioning groove, and the two clamping blocks clamp the workpiece through the opposite pushing of the two pushing blocks, the telescopic link through damping device connects clamp splice and propulsion piece to thereby the spring through the outside fixed mounting of telescopic link carries out the shock attenuation to the vibrations when clamp splice presss from both sides under elasticity and has realized that the centre gripping is stable, has the purpose of shock attenuation effect, has solved current forged iron and has passed through artifical centre gripping, forges that the finished product precision is not high and the workman receives vibrations can cause the uncomfortable problem of health.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the structure of the processing station of the present invention;

FIG. 3 is a schematic structural view of a connecting rod of the present invention;

in the figure: the device comprises a fixed base 1, a rack 2, a hydraulic cylinder 3, a hydraulic rod 4, a sliding block 5, a hammer body 6, a processing table 7, a motor 8, a rotary joint 9, a screw rod 10, a guide rod 11, a movable block 12, a screw hole 13, a guide hole 14, a positioning groove 15, a propelling block 16, a positioning block 17, a connecting rod 18, a damping device 19 and a clamping block 20.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, a clamping mechanism for a free forging double-arm electrohydraulic hammer comprises a fixed base 1, two opposite frames 2 are fixedly installed on the top of the fixed base 1, a hydraulic cylinder 3 is fixedly installed on the top of the frames 2, a hydraulic rod 4 positioned between the two frames 2 is fixedly installed on the bottom of the hydraulic cylinder 3, a slider 5 is fixedly installed on the bottom of the hydraulic rod 4, chutes are fixedly installed on the left side and the right side of the slider 5, slide bars are fixedly installed on the opposite surfaces of the frames 2, the slider 5 is fixed with the movable track of the frames 2, a hammer body 6 is fixedly installed on the bottom of the slider 5, a processing table 7 positioned below the hammer body 6 is fixedly installed on the top of the fixed base 1, a motor 8 is fixedly installed on the front of the processing table 7, a rotary joint 9 is fixedly installed on the rear side of the inner wall of the processing table 7, a screw rod 10 rotatably connected with the rotary joint 9 is fixedly installed on the output shaft of the motor 8, a guide rod 11 positioned on one side of the screw rod 10 far away from the screw rod 10 is fixedly arranged inside the processing table 7, a movable block 12 is movably arranged outside the screw rod 10 and the guide rod 11, a screw hole 13 corresponding to the screw rod 10 is formed in the front and back of the movable block 12 in a penetrating manner, a thread groove is formed inside the screw hole 13 and is in threaded connection with a thread strip outside the screw rod 10, the movable block 12 is in threaded connection with the screw rod 10 and is in sliding connection with the guide rod 11, a guide hole 14 corresponding to the guide rod 11 is formed in the front and back of the movable block 12 in a penetrating manner, a positioning groove 15 is formed in the bottom of the inner wall of the processing table 7, a pushing block 16 is movably arranged at the top of the positioning groove 15, a positioning block 17 corresponding to the positioning groove 15 is fixedly arranged at the bottom of the pushing block 16, a connecting rod 18 is movably connected at the tops of the movable block 12 and the pushing block 16, the connecting rod 18 is composed of two rotating shafts which are distributed at the tops of the movable block 12 and the pushing block 16, and when the propelling block 16 is located at the left side of the positioning groove 15, an obtuse angle is formed between the connecting rod 18 and the vertical angle, one side, far away from the screw rod 10, of the propelling block 16 is fixedly provided with a damping device 19, the damping device 19 is composed of a telescopic rod and a damping spring fixedly arranged outside the telescopic rod, the number of the damping devices 19 is two, the damping devices are arranged between the propelling block 16 and a clamping block 20 in a front-back mode, one side, far away from the propelling block 16, of the damping device 19 is fixedly provided with the clamping block 20, the clamping block 20 is composed of two clamps which are symmetrically arranged and can be clamped mutually, and the opposite surface of each clamp is an arc-shaped clamping opening.

When the clamping device is used, the hydraulic rod 4 is driven to downwards push the sliding block 5 to move by driving the hydraulic cylinder 3, the sliding block 5 stably downwards moves under the matching of the sliding strip and the sliding groove, the hammer body 6 at the bottom of the sliding block 5 downwards processes a workpiece, the screw rod 10 fixedly installed on the output shaft of the motor 8 rotates by driving the motor 8, the movable block 12 moves along the outside of the screw rod 10 under the positioning of the guide rod 11 and the guide block 14 by the threaded matching of the thread strip outside the screw rod 10 and the thread groove inside the screw hole 13, the angles of the two connecting rods 18 are changed by the opposite movement of the two movable blocks 12, the included angle in the vertical direction gradually becomes ninety degrees and pushes the pushing block 16 rotatably connected with the connecting rods 18 to move, the pushing block 16 moves along the fixed direction under the matching of the positioning block 17 and the positioning groove 15 fixedly installed at the bottom, and the two clamping blocks 20 clamp the workpiece by the opposite pushing of the two pushing blocks 16, the clamping block 20 and the pushing block 16 are connected through the telescopic rod of the damping device 19, and the vibration generated when the clamping block 20 is clamped is damped under the elastic force through the spring fixedly arranged outside the telescopic rod, so that the stable clamping is realized.

In summary, in the clamping mechanism for free forging double-arm electro-hydraulic hammer, two movable blocks 12 movably mounted outside a lead screw 10 move towards the middle part mutually, so that a connecting rod 18 pushes a pushing block 16 to move inwards under the rotation of a rotating shaft fixedly mounted on the top of the movable block 12, a clamping block 20 clamps a workpiece under the connection of a damping device 19 through the relative pushing of the two pushing blocks 16, so as to achieve the effect of fixed clamping, a hydraulic rod 4 pushes a sliding block 5 downwards to move through a driving hydraulic cylinder 3, the sliding block 5 stably moves downwards under the matching of a sliding strip and a sliding groove, further a hammer body 6 at the bottom of the sliding block 5 downwards processes the workpiece, the lead screw 10 fixedly mounted on an output shaft of a motor 8 rotates through driving the motor 8, the movable block 12 moves along the outside of the lead screw 10 under the positioning of a guide rod 11 and a guide block 14 through the threaded matching of a thread strip outside the lead screw 10 and a thread groove inside a screw hole 13, through the activity in opposite directions of two movable blocks 12, make the angle change of two connecting rods 18, to the contained angle of vertical direction become ninety degrees gradually and promote to rotate the propelling block 16 activity of being connected with connecting rod 18, propelling block 16 is under the cooperation of locating piece 17 and constant head tank 15 of bottom fixed mounting, along fixed direction activity, make two clamp splice 20 clamping workpiece under the relative promotion through two propelling block 16, clamp splice 20 and propelling block 16 are connected to the telescopic link through damping device 19, thereby the vibrations when clamping splice 20 when through the outside fixed mounting of telescopic link spring under elasticity are cushioned and have been realized the centre gripping stably, the purpose that has the shock attenuation effect, it passes through artifical centre gripping to have solved current wrought iron, forged finished product precision is not high and the workman receives vibrations and can cause the uncomfortable problem of health.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a clamping machine constructs that is used for freely forging both arms electro-hydraulic hammer, includes unable adjustment base (1), its characterized in that: the top fixed mounting of unable adjustment base (1) has two relative frames (2), the top fixed mounting of frame (2) has pneumatic cylinder (3), the bottom fixed mounting of pneumatic cylinder (3) has hydraulic stem (4) that are located between two frames (2), the bottom fixed mounting of hydraulic stem (4) has slider (5), the bottom fixed mounting of slider (5) has hammer block (6), the top fixed mounting of unable adjustment base (1) has processing platform (7) that are located hammer block (6) below, the front fixed mounting of processing platform (7) has motor (8), the inner wall rear side fixed mounting of processing platform (7) has rotary joint (9), fixed mounting has lead screw (10) of being connected with rotary joint (9) rotation on the output shaft of motor (8), the inside fixed mounting of processing platform (7) has guide bar (11) that are located lead screw (10) and keep away from one side of lead screw (10), the outer parts of the screw rod (10) and the guide rod (11) are movably provided with a movable block (12), the front and the back of the movable block (12) are provided with screw holes (13) corresponding to the screw rod (10), the front and the back of the movable block (12) are provided with guide holes (14) corresponding to the guide rods (11), a positioning groove (15) is arranged at the bottom of the inner wall of the processing table (7), a propelling block (16) is movably arranged at the top of the positioning groove (15), a positioning block (17) corresponding to the positioning groove (15) is fixedly arranged at the bottom of the pushing block (16), the tops of the movable block (12) and the propelling block (16) are movably connected with a connecting rod (18), a damping device (19) is fixedly arranged on one side of the propelling block (16) far away from the screw rod (10), and a clamping block (20) is fixedly arranged on one side of the damping device (19) far away from the propelling block (16).

2. The clamping mechanism for the free forging double-arm electro-hydraulic hammer as claimed in claim 1, wherein: the equal fixed mounting in the left and right sides of slider (5) has the spout, and the equal fixed mounting in opposite face of frame (2) has the draw runner, and slider (5) are fixed with the movable track of frame (2).

3. The clamping mechanism for the free forging double-arm electro-hydraulic hammer as claimed in claim 1, wherein: connecting rod (18) comprise two pivots and dwang, and two pivot distributions set up the top at activity piece (12) and propulsion piece (16), and propulsion piece (16) are the obtuse angle between connecting rod (18) and the vertical angle when being located constant head tank (15) left side.

4. The clamping mechanism for the free forging double-arm electro-hydraulic hammer as claimed in claim 1, wherein: the damping device (19) consists of a telescopic rod and damping springs fixedly arranged outside the telescopic rod, and the number of the damping devices (19) is two and the two damping devices are arranged between the propelling block (16) and the clamping block (20) in a front-back mode.

5. The clamping mechanism for the free forging double-arm electro-hydraulic hammer as claimed in claim 1, wherein: the screw hole (13) is internally provided with a thread groove, the thread groove is in threaded connection with a thread bar outside the screw rod (10), and the movable block (12) is in threaded connection with the screw rod (10) and is in sliding connection with the guide rod (11).

6. The clamping mechanism for the free forging double-arm electro-hydraulic hammer as claimed in claim 1, wherein: the clamping block (20) is composed of two symmetrically arranged clamps which can be clamped mutually, and the opposite surface of each clamp is an arc-shaped clamping opening.