阅读说明：本技术 一种大吨位冷锻液压机模具安装设备 (Large-tonnage cold forging hydraulic press die mounting equipment ) 是由 刘继业 于 2021-01-08 设计创作，主要内容包括：本发明公开了一种大吨位冷锻液压机模具安装设备,其结构包括支架、安装座、固定筒、检修门,支架顶面与安装座底面焊接连接,本发明通过固定筒来对圆柱状的模具进行固定,在放入模具后,可以通过固定结构顶端的接触头对其进行锁定,并且通过多个阻力头与固定头相互配合,避免模具产生滑动,在进行大吨位冷锻的过程中,若环绕模具外表面产生剪应力,通过阻力头和固定头锁定的同时,将剪应力传导到多个冲击块处进行吸收释放,并同时使变形框和其内部安装的扭环略微变形并迅速复原,在保证固定的情况下吸收剪应力,避免固定结构受到过大的剪应力而扭曲松动,从而保持固定效果,令冷锻过程中的受力点始终集中在一点,保证冷锻后的工件强度均匀。(The invention discloses a large-tonnage cold forging hydraulic press die mounting device, which structurally comprises a support, a mounting seat, a fixing cylinder and an access door, wherein the top surface of the support is welded and connected with the bottom surface of the mounting seat, a cylindrical die is fixed through the fixing cylinder, after the die is placed in the cylindrical die, the cylindrical die can be locked through a contact head at the top end of the fixing structure, the die is prevented from sliding through the mutual matching of a plurality of resistance heads and the fixing head, in the large-tonnage cold forging process, if shear stress is generated around the outer surface of the die, the shear stress is transmitted to a plurality of impact blocks for absorption and release through the locking of the resistance heads and the fixing head, a deformation frame and a torsion ring arranged in the deformation frame are slightly deformed and quickly restored, the shear stress is absorbed under the condition of ensuring the fixation, and the phenomenon that the fixing structure is distorted and loosened due to the overlarge shear stress is avoided, therefore, the fixing effect is kept, stress points in the cold forging process are always concentrated on one point, and the uniform strength of the workpiece after cold forging is ensured.)

1. The utility model provides a large-tonnage cold forging hydraulic press die holding equipment, its structure includes support (1), mount pad (2), a fixed section of thick bamboo (3), access door (4), its characterized in that:

the top surface of the support (1) is welded with the bottom surface of the mounting seat (2), the fixed cylinder (3) is embedded in the mounting seat (2), and the access door (4) is hinged with the right side of the mounting seat (2);

the fixing barrel (3) comprises a connecting shell (31), a fixing structure (32), a placing plate (33) and a supporting platform (34), wherein the inner layer of the connecting shell (31) is in welded connection with the outer layer of the supporting platform (34), the back surface of the placing plate (33) is welded on the front surface of the supporting platform (34), and the back of the fixing structure (32) is movably clamped with the front surface of the supporting platform (34).

2. The large-tonnage cold forging hydraulic press die mounting apparatus of claim 1, wherein: fixed knot constructs (32) including outer lane shell (321), clamp plate (322), pressure handle (323), fixed axle (324), stretches out structure (325), outer lane shell (321) inner ring and clamp plate (322) top activity block, press handle (323) one side and clamp plate (322) one side activity block, fixed axle (324) outer loop and clamp plate (322) bottom fixed connection, outer lane shell (321) outer loop fixed mounting is in stretching out structure (325) bottom.

3. The large-tonnage cold forging hydraulic press die mounting apparatus of claim 2, wherein: the extension structure (325) comprises a connecting sleeve (A1), a stress frame (A2), a deformation frame (A3), a torsion ring (A4) and a contact head (A5), wherein one end of the connecting sleeve (A1) is movably clamped at the bottom of the stress frame (A2), the two ends of the deformation frame (A3) are movably clamped on the inner layer of the stress frame (A2), the two ends of the torsion ring (A4) are fixedly connected with the inner layer of the deformation frame (A3), and the contact head (A5) is embedded into the top of the stress frame (A2).

4. The large-tonnage cold forging hydraulic press die mounting apparatus of claim 3, wherein: contact head (A5) includes top (A51), laminating head (A52), interior top piece (A53), scattered power board (A54), touching piece (A55), top (A51) bottom and interior top piece (A53) top fixed connection, laminating head (A52) top surface welds in top piece (A53) bottom surface in, interior top piece (A53) right side is passed through scattered power board (A54) and is touched piece (A55) left side and be connected.

5. The large-tonnage cold forging hydraulic press die mounting apparatus of claim 4, wherein: touch piece (A55) includes tray (B1), embedded groove (B2), strikes piece (B3), laminating circle (B4), tray (B1) is outer and embedded groove (B2) molding as an organic whole, tray (B1) inlayer and impact piece (B3) top surface fixed connection, impact piece (B3) bottom surface fixed mounting is in laminating circle (B4) skin.

6. The large-tonnage cold forging hydraulic press die mounting apparatus of claim 5, wherein: laminating circle (B4) is including top cover (B41), dashpot (B42), rigging board (B43), friction groove (B44), fixed head (B45), resistance head (B46), top cover (B41) skin and dashpot (B42) integrated into one piece, rigging board (B43) skin and top cover (B41) inlayer fixed connection, friction groove (B44) and rigging board (B43) inlayer integrated into one piece, fixed head (B45) bottom is embedded in rigging board (B43) inlayer, resistance head (B46) are embedded in friction groove (B44) inlayer.

Technical Field

The invention relates to the field of hydraulic pressure, in particular to large-tonnage cold forging hydraulic press die mounting equipment.

Background

A hydraulic device applies pressure to liquid and pushes the liquid to transmit the pressure out, which is widely applied in various fields, a hydraulic machine is often used in the cold forging field to provide enough downward pressure, cold forging is forming processing below recrystallization temperature of materials, forging without heating blank is customarily called cold forging in production, when a workpiece is cold forged, a cold forging die is required to be installed on a die installation device firstly, a blank piece is placed above the cold forging die, huge pressure is applied downwards through the hydraulic machine, the blank piece is extruded into a slot of the cold forging die and is extruded and formed, the die installation device in the prior art generally fixes the die by pushing the inner side of the periphery of the die placed inside through an inner ejector rod, when cylindrical dies are installed and fixed, the parallel direction is firmly fixed, however, because the outer surface of the cylindrical die is arc-shaped, when the cylindrical die is pressed by a large-tonnage hydraulic press, arc-shaped shear stress around the outer surface of the die is easily generated, the die tends to twist, the inner ejector rod is easily stressed too much and twisted, and further becomes loose, so that stress points of a blank cannot be concentrated in the cold forging process, and the condition that the strength of each part of a workpiece is inconsistent may occur.

Disclosure of Invention

Aiming at the problems, the invention provides a large-tonnage cold forging hydraulic press die mounting device.

In order to achieve the purpose, the invention is realized by the following technical scheme: the die mounting equipment for the large-tonnage cold forging hydraulic machine structurally comprises a support, a mounting seat, a fixed cylinder and an access door, wherein the top surface of the support is welded with the bottom surface of the mounting seat, the fixed cylinder is embedded in the mounting seat, and the access door is hinged with the right side of the mounting seat; the fixed cylinder includes connecting shell, fixed knot structure, places board, saddle, connect shell inlayer and the outer welded connection of saddle, place the board back and weld in the saddle openly, fixed knot constructs the positive activity block of back and saddle, fixed knot constructs and is equipped with four, and four fixed knot constructs with laminating ground cyclic annular distribution each other in the saddle openly.

Furthermore, the fixed structure comprises an outer ring shell, a pressing plate, a pressing handle, a fixed shaft and an extending structure, wherein an inner ring of the outer ring shell is movably clamped with the top of the pressing plate, one side of the pressing handle is movably clamped with one side of the pressing plate, an outer ring of the fixed shaft is fixedly connected with the bottom of the pressing plate, an outer ring of the outer ring shell is fixedly installed at the bottom of the extending structure, the pressing handle is provided with a plurality of pressing handles, and two pressing handles are fixedly installed on one side of the pressing plate.

Further, the extending structure comprises a connecting sleeve, a stress frame, a deformation frame, a torsion ring and a contact head, wherein one end of the connecting sleeve is movably clamped with the bottom of the stress frame, the two ends of the deformation frame are movably clamped on the inner layer of the stress frame, the two ends of the torsion ring are fixedly connected with the inner layer of the deformation frame, the contact head is embedded into the top of the stress frame, and an annular spring structure is arranged inside the torsion ring.

Further, the contact head includes top, laminating head, interior kicking block, scattered power board, touching piece, top bottom and interior kicking block top fixed connection, laminating overhead face welds in interior kicking block bottom surface, interior kicking block right side is connected with touching piece left side through scattered power board, scattered power board right side is equipped with a plurality of hexagon block structures.

Further, the touching piece includes tray, embedded groove, kicking block, laminating circle, the tray is outer and the embedded groove is integrated into one piece, tray inlayer and kicking block top surface fixed connection, kicking block bottom surface fixed mounting is outer in laminating circle, the kicking block is equipped with a plurality ofly, and a plurality of kicking block clearances are evenly ring-shaped distribution between laminating circle and tray.

Further, the laminating circle includes top cover, dashpot, attaching plate, friction groove, fixed head, resistance head, the outer shaping as an organic whole with the dashpot of top cover, attaching plate skin and top cover inlayer fixed connection, friction groove and attaching plate inlayer shaping as an organic whole, the fixed head bottom imbeds in the attaching plate inlayer, the resistance head imbeds in the friction groove inlayer, the friction groove is equipped with a plurality ofly, and a plurality of friction groove clearances are evenly annularly distributed in the attaching plate inlayer.

Advantageous effects

Compared with the prior art, the invention has the following beneficial effects:

the cylindrical die is fixed through the fixing barrel, after the cylindrical die is placed in the die, the cylindrical die can be locked through the contact head at the top end of the fixing structure, the plurality of resistance heads are matched with the fixing heads, the sliding of the die is avoided, in the process of large-tonnage cold forging, if shear stress is generated around the outer surface of the die, the shear stress is transmitted to the plurality of impact blocks to be absorbed and released while being locked through the resistance heads and the fixing heads, the deformation frame and the torsion ring arranged in the deformation frame are slightly deformed and quickly restored, the shear stress is absorbed under the condition of ensuring the fixation, the phenomenon that the fixing structure is distorted and loosened due to overlarge shear stress is avoided, the fixing effect is kept, stress points in the cold forging process are always concentrated at one point, and the strength of a workpiece after the cold forging is ensured to be uniform.

Drawings

FIG. 1 is a three-dimensional structure schematic diagram of a large-tonnage cold forging hydraulic press die mounting device.

Fig. 2 is a schematic structural diagram of a top cross section of the fixing cylinder according to the present invention.

Fig. 3 is a schematic structural view of the left side section of the fixing structure of the present invention.

Fig. 4 is a schematic structural view of an elevated cross-section of the extended structure of the present invention.

Fig. 5 is a schematic structural diagram of a front cross section of a contact according to the present invention.

FIG. 6 is a schematic top view of a touch block according to the present invention.

FIG. 7 is a schematic structural view of a front cross section of the attachment ring of the present invention.

In the figure: a bracket-1, a mounting seat-2, a fixed cylinder-3, an access door-4, a connecting shell-31, a fixed structure-32, a placing plate-33, a saddle-34, an outer ring shell-321, a pressing plate-322, a pressing handle-323, a fixed shaft-324, an extending structure-325, a connecting sleeve-A1, a stress frame-A2, a deformation frame-A3 and a torsion ring-A4, the device comprises a contact head-A5, a top head-A51, an attaching head-A52, an inner top block-A53, a force dispersing plate-A54, a touch block-A55, a support block-B1, an embedded groove-B2, an impact block-B3, an attaching ring-B4, a top sleeve-B41, a buffer groove-B42, an attaching plate-B43, a friction groove-B44, a fixing head-B45 and a resistance head-B46.

Detailed Description

The technical solutions of the present invention will be described clearly and completely with reference to the accompanying drawings, and it is obvious that the described embodiments are some, not all embodiments of the present invention, and all other embodiments obtained by those skilled in the art without creative efforts based on the embodiments of the present invention belong to the protection scope of the present invention.

In the description of the present invention, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer", etc., indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, but do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus, should not be construed as limiting the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

The first embodiment is as follows:

referring to fig. 1-3, the embodiments of the present invention are as follows: the die mounting equipment for the large-tonnage cold forging hydraulic machine structurally comprises a support 1, a mounting seat 2, a fixed cylinder 3 and an access door 4, wherein the top surface of the support 1 is welded and connected with the bottom surface of the mounting seat 2, the fixed cylinder 3 is embedded into the mounting seat 2, and the access door 4 is hinged and connected with the right side of the mounting seat 2; fixed cylinder 3 is including connecting shell 31, fixed knot structure 32, placing board 33, saddle 34, connecting shell 31 inlayer and 34 outer welded connection of saddle, place board 33 back weld in saddle 34 openly, fixed knot structure 32 back and 34 positive activity blocks of saddle, fixed knot structure 32 is equipped with four, and four fixed knot structure 32 are laminated ground ring-type distribution each other in saddle 34 openly, are favorable to fixing the mould from each angle.

Wherein, fixed knot constructs 32 includes outer lane shell 321, clamp plate 322, presses handle 323, fixed axle 324, stretches out structure 325, outer lane shell 321 inner ring and clamp plate 322 top activity block, press handle 323 one side and clamp plate 322 one side activity block, fixed axle 324 outer loop and clamp plate 322 bottom fixed connection, outer lane shell 321 outer loop fixed mounting is in stretching out structure 325 bottom, press handle 323 to be equipped with a plurality ofly, two a set of fixed mounting in clamp plate 322 one side of a plurality of pressure handles 323 are favorable to reinforcing antitorque circular performance, can exert powerful pressure to stretching out structure 325 under the certain elastic condition and avoid sliding.

Based on the above embodiment, the specific working principle is as follows: whether the fixed cylinder 3 is normal through the inspection of access door 4, confirm the back that finishes, strut fixed cylinder 3, make the outer lane shell 321 of fixed knot structure 32 twisted round, drive simultaneously and press handle 323 by wrench movement to produce pressure, at this moment, place the mould on placing board 33, loosen fixed knot structure 32, can make outer lane shell 321 reversal through pressing handle 323 oppression clamp plate 322, make simultaneously and stretch out the structure 325 top and hug closely compaction mould surface, can fix the mould.

Example two:

referring to fig. 4-7, the embodiment of the present invention is as follows: the extension structure 325 comprises a connecting sleeve A1, a stress frame A2, a deformation frame A3, a torsion ring A4 and a contact head A5, one end of the connecting sleeve A1 is movably clamped with the bottom of the stress frame A2, two ends of the deformation frame A3 are movably clamped on the inner layer of the stress frame A2, two ends of the torsion ring A4 are fixedly connected with the inner layer of the deformation frame A3, the contact head A5 is embedded into the top of the stress frame A2, and an annular spring structure is arranged inside the torsion ring A4, so that the deformation is facilitated, and the absorption impact is quickly recovered.

Wherein, contact A5 includes top A51, laminating head A52, interior top piece A53, scattered power board A54, touching piece A55, top A51 bottom and interior top piece A53 top fixed connection, the bonding head A52 top surface welds in top piece A53 bottom surface in, interior top piece A53 right side is connected with touching piece A55 left side through scattered power board A54, scattered power board A54 right side is equipped with a plurality of hexagon block structures, is favorable to reinforcing support performance and the ability of dispersed impact force.

Wherein, touch piece A55 includes tray B1, embedded groove B2, kicking block B3, laminating circle B4, tray B1 is outer and embedded groove B2 is the integrated shaping, tray B1 inlayer and kicking block B3 top surface fixed connection, kicking block B3 bottom surface fixed mounting is outer in laminating circle B4, kicking block B3 is equipped with a plurality ofly, and a plurality of kicking block B3 gaps are evenly distributed annularly between laminating circle B4 and tray B1, are favorable to absorbing the shear stress that produces when cold forging comprehensively, avoid the dead angle.

The attaching ring B4 comprises a top sleeve B41, a buffer groove B42, an attaching plate B43, a friction groove B44, a fixing head B45 and a resistance head B46, the outer layer of the top sleeve B41 and the buffer groove B42 are integrally formed, the outer layer of the attaching plate B43 is fixedly connected with the inner layer of the top sleeve B41, the friction groove B44 and the inner layer of the attaching plate B43 are integrally formed, the bottom of the fixing head B45 is embedded into the inner layer of the attaching plate B43, the resistance head B46 is embedded into the inner layer of the friction groove B44, the friction groove B44 is provided with a plurality of friction grooves, and the friction grooves B44 are uniformly and annularly distributed in the inner layer of the attaching plate B43 in a clearance mode, so that resistance of the die when twisting is attempted is increased, and fixing effect is enhanced.

Based on the above embodiment, the specific working principle is as follows: after the top of the extending structure is attached to the surface of a die, a blank piece is added, the pressing and cold forging are carried out through a large-tonnage cold forging hydraulic press, shear stress is generated in the pressing process, the outer surface of the die is attached to an attaching plate B43 of an attaching ring B4 at the same time, the shear stress is absorbed through a plurality of fixing heads B45 and resistance heads B46, the die is fixed and cannot rotate and twist, the shear stress is converted into vertical impact force and is transmitted into a top sleeve B41 on the back and is output to an impact block B3, the structure in the impact block B3 can effectively absorb a large amount of impact force and enables the impact force to be recovered, if extra impact force is continuously uploaded, when the extra impact force passes through a force dispersing plate A54, the force dispersing plate A54 rotates towards the right side due to impact a hexagonal block structure on the right side, the hexagonal block structure is deformed and is dispersed, and the impact force dispersing plate A2 is pushed open through a top head A51, so that a force frame A2 slightly twists along a connecting sleeve A1, make and warp frame A3 and be dragged, and then make it compress to the centre, make torsion ring A4 by the oppression distortion, make the annular spring structure produce elasticity, absorb all shocks, after the impact, can recover fast, laminate ring B4 and laminate the mould surface completely at the absorption in-process simultaneously, can not produce the wrench movement phenomenon of rocking.

The technical features of the embodiments described above may be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the embodiments described above are not described, but should be considered as being within the scope of the present specification as long as there is no contradiction between the combinations of the technical features.

The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.