CN210023390U

CN210023390U - Punching machine with shock attenuation effect

Info

Publication number: CN210023390U
Application number: CN201920608298.2U
Authority: CN
Inventors: 宋瑞霞; 王梦翰
Original assignee: Qingdao Ruida Mould Co Ltd
Current assignee: Qingdao Ruida Mould Co Ltd
Priority date: 2019-04-29
Filing date: 2019-04-29
Publication date: 2020-02-07
Anticipated expiration: 2029-04-29

Abstract

The utility model discloses a punching machine with shock attenuation effect, concretely relates to punching machine field, comprises a workbench, the top fixedly connected with support frame of workstation, middle part fixedly connected with pneumatic cylinder at the bottom of the support frame, the tailpiece of the piston rod fixedly connected with cope match-plate pattern of pneumatic cylinder, the central point at workstation top puts and has seted up the activity groove, the inside swing joint in activity groove has the fly leaf, the fixed ripple pipe box that is provided with in top of fly leaf, the top fixedly connected with lower bolster of ripple pipe box, the middle part of ripple pipe box is provided with damper, the bottom of fly leaf is provided with buffer gear. The utility model discloses a set up damper and buffer gear, wherein the arch of shock attenuation ball middle part and flexure strip reset and carry out the one deck shock attenuation to the lower bolster, and damping spring and buffer spring reset simultaneously and stretch and carry out two layers of shock attenuation to the fly leaf, and upper and lower double-deck shock attenuation buffering makes the holistic shock attenuation effect of punching machine better.

Description

Punching machine with shock attenuation effect

Technical Field

The utility model relates to a punching machine technical field, more specifically say, the utility model relates to a punching machine with shock attenuation effect.

Background

The punching machine is a machine which utilizes impact force to collide and extrude materials on the die so as to enable the materials to be formed, compared with other traditional machining equipment, the punching machine is higher in efficiency, more energy-saving and environment-friendly, low in operation requirement on workers and applicable to various industries, but the punching machine is easy to vibrate in punching, the abrasion consumption on the die and the punching machine is large, the service life of the equipment is influenced while the punching quality is influenced.

Patent application publication No. CN 208321733U's utility model patent discloses a shock-proof type hydraulic pressure punching machine. Including base, diaphragm, universal gyro wheel, workstation, lower bolster, stand, pneumatic cylinder, cope match-plate pattern, still include reinforcing plate and damper, damper includes chassis, telescopic link, ring flange, cover dish, one-level spring and second grade spring, the chassis on be equipped with the concertina hole, telescopic link one end is fixed with the ring flange, the other end is mobilizable to stretch into above-mentioned concertina hole, the mobilizable cover of cover dish is on the telescopic link, one-level spring suit is in the telescopic link periphery, and the upper end of one-level spring offsets with terminal surface under the ring flange, the other end offsets with the chassis up end. The utility model discloses a damper, give with punching machine punching press buffering and shock-absorbing capacity in the time, reduce punching machine resonance, avoid equipment to rock, not only can the noise reduction, also can protective apparatus simultaneously, avoid hard impact to cause harm to equipment and mould, improve life.

However, in actual use, the shock absorption device still has more defects, for example, the shock absorption effect is limited only by using a single shock absorption assembly to absorb shock of the punching machine, which is not beneficial to better shock absorption of the punching machine.

SUMMERY OF THE UTILITY MODEL

In order to overcome prior art's above-mentioned defect, the embodiment of the utility model provides a punching machine with shock attenuation effect, through setting up damper and buffer gear, wherein shock attenuation ball middle part arch and flexure strip reset and carry out the one deck shock attenuation to the lower bolster, and damping spring and buffer spring all reset simultaneously and stretch and carry out two layers of shock attenuation to the fly leaf, and upper and lower double-deck shock attenuation buffering makes the holistic shock attenuation effect of punching machine better to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: a punching machine with a damping effect comprises a workbench, wherein a support frame is fixedly connected to the top of the workbench, a hydraulic cylinder is fixedly connected to the middle of the bottom of the support frame, an upper template is fixedly connected to the end portion of a piston rod of the hydraulic cylinder, a movable groove is formed in the center of the top of the workbench, a movable plate is movably connected to the interior of the movable groove, a corrugated pipe sleeve is fixedly arranged at the top of the movable plate, a lower template is fixedly connected to the top of the corrugated pipe sleeve, a damping mechanism is arranged in the middle of the corrugated pipe sleeve, a buffering mechanism is arranged at the bottom of the movable plate, blocking blocks are fixedly connected to two side faces of the movable plate, blocking grooves are formed in two side walls of an inner cavity of the movable groove, and the surface of each blocking block;

the damping mechanism comprises a connecting rod, the connecting rod is fixedly arranged at the bottom of the lower template, a cavity is arranged in the middle of the movable plate, the bottom end of the connecting rod extends into the cavity, an extrusion plate is fixedly connected to the bottom end of the connecting rod, a damping ball is arranged at the bottom of an inner cavity of the cavity, the bottom end face of the extrusion plate is movably attached to the tops of two ends of the damping ball, a communicating hole penetrates through the center of the top of the movable plate, the middle of the damping ball extends into the communicating hole, an elastic sheet is fixedly connected to the bottom of the lower template, and the middle of the elastic sheet is movably sleeved on the surface of the connecting rod;

buffer gear includes the fixed block, the shifting chute has been seted up at the end middle part of fixed block, shifting chute inner chamber top fixedly connected with damping spring, damping spring's bottom fixedly connected with carriage release lever, the round hole has been seted up to activity inslot chamber bottom, the bottom of carriage release lever extends to the inside of round hole, be provided with buffer spring between the bottom of fixed block and the activity inslot inner wall, buffer spring's both ends are fixed continuous with fixed block bottom face and activity inslot chamber bottom respectively.

In a preferred embodiment, the upper template is positioned right above the lower template, and the cross section of the lower template is smaller than that of the movable groove inner cavity.

In a preferred embodiment, the number of the connecting rods is two, the two connecting rods are axially symmetrically arranged about a vertical central axis of the lower template, the cavity is a concave cavity, and the bottom ends of the two connecting rods respectively extend to bulges at two ends of the cavity.

In a preferred embodiment, the damping ball is a rubber ball, and the inside of the damping ball is provided with sufficient air.

In a preferred embodiment, the top of carriage release lever and the inner wall swing joint of shifting chute, the equal fixedly connected with stopper of both sides face on carriage release lever top, the spacing groove has all been seted up to the both sides wall of shifting chute inner chamber, the surface of stopper and the inner wall swing joint of spacing groove.

In a preferred embodiment, supporting legs are fixedly connected to four corners of the bottom end face of the workbench, and rubber suction cups are arranged at the bottom ends of the supporting legs.

The utility model discloses a technological effect and advantage:

1. the utility model discloses a set up damper, drive the connecting rod and move down when the lower template is stamped, the connecting rod extrudees the damping ball both ends through the stripper plate for the damping ball middle part is protruding through the intercommunicating pore, carry out the shock attenuation to lower template bottom middle part, simultaneously after the lower template moved a distance, the flexure strip bottom was blockked with the fly leaf contact, the lower template continued the downward motion extrusion flexure strip takes place deformation, the flexure strip resets the shrink and is cushioned to the lower template, be favorable to the punching machine shock attenuation;

2. the utility model discloses a set up buffer gear, when the lower bolster strikes the fly leaf, the fly leaf drives the fixed block and moves down, extrudes damping spring compression, and damping spring resets and stretches to cushion the shock attenuation to the fly leaf, and fixed block downstream can extrude damping spring compression simultaneously, and damping spring resets and stretches to carry out the shock attenuation to the fixed block to make the shock attenuation effect of punching machine better.

Drawings

Fig. 1 is a front sectional view of the overall structure of the present invention.

Fig. 2 is a front sectional view of the bellows sleeve structure of the present invention.

Fig. 3 is a front sectional view of the fixing block structure of the present invention.

Fig. 4 is a schematic structural view of the workbench of the present invention.

Fig. 5 is a schematic view of the connecting rod structure of the present invention.

The reference signs are: 1 workbench, 2 supporting frames, 3 hydraulic cylinders, 4 upper templates, 5 movable grooves, 6 movable plates, 7 corrugated pipe sleeves, 8 lower templates, 9 connecting rods, 10 cavities, 11 extrusion plates, 12 damping balls, 13 communication holes, 14 elastic sheets, 15 fixed blocks, 16 movable grooves, 17 movable rods, 18 damping springs, 19 buffer springs, 20 limiting blocks, 21 limiting grooves, 22 blocking blocks, 23 blocking grooves, 24 supporting legs and 25 circular holes.

Detailed Description

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

Referring to the accompanying

drawings

1 and 4 of the specification, the press machine with a shock-absorbing effect of this embodiment, includes a table 1, the top of the workbench 1 is fixedly connected with a support frame 2, the middle part of the bottom of the support frame 2 is fixedly connected with a hydraulic cylinder 3, the end part of a piston rod of the hydraulic cylinder 3 is fixedly connected with an upper template 4, the center position of the top of the workbench 1 is provided with a movable groove 5, a movable plate 6 is movably connected inside the movable groove 5, a corrugated pipe sleeve 7 is fixedly arranged at the top of the movable plate 6, the top of the corrugated pipe sleeve 7 is fixedly connected with a lower template 8, the middle part of the corrugated pipe sleeve 7 is provided with a damping mechanism, the bottom of the movable plate 6 is provided with a buffer mechanism, two side surfaces of the movable plate 6 are fixedly connected with a stop block 22, blocking grooves 23 are formed in two side walls of an inner cavity of the movable groove 5, and the surface of each blocking block 22 is in sliding connection with the inner cavity of the corresponding blocking groove 23.

Further, cope match-plate pattern 4 is located the lower bolster 8 directly over, and the cross section of lower bolster 8 is less than the cross section of the 5 inner chambers of activity groove for pneumatic cylinder 3 drives cope match-plate pattern 4 and can extrudees lower bolster 8 when moving down, carries out the punching press to the work piece on 8 surfaces of lower bolster, and lower bolster 8 can get into and cushion inside the activity groove 5.

Further, the equal fixedly connected with supporting leg 24 in four corners of 1 bottom face of workstation, and supporting leg 24's bottom is provided with rubber suction cup, and four supporting legs 24 support workstation 1 and place, and rubber suction cup has increased the frictional force of supporting leg 24 with ground for placing of workstation 1 is more firm.

The implementation scenario is specifically as follows: during the in-service use, will wait to process the work piece and place at 8 tops of lower bolster, start hydraulic cylinder 3, the pneumatic cylinder drives cope match-plate pattern 4 downstream, carries out the punching press to the work piece at 8 tops of lower bolster, and lower bolster 8 receives the punching press to extrude bellows pipe box 7 downwards, and the inside damper of bellows pipe box 7 carries out the shock attenuation buffering to lower bolster 8.

Referring to the attached

drawings

2 and 5 in the specification, the damping mechanism of the punching machine with a damping effect of the embodiment includes a connecting rod 9, the connecting rod 9 is fixedly disposed at the bottom of a lower die plate 8, a cavity 10 is disposed in the middle of a movable plate 6, the bottom end of the connecting rod 9 extends into the cavity 10, an extrusion plate 11 is fixedly connected to the bottom end of the connecting rod 9, a damping ball 12 is disposed at the bottom of an inner cavity of the cavity 10, a bottom end surface of the extrusion plate 11 is movably attached to the tops of two ends of the damping ball 12, a communication hole 13 is disposed at the center of the top of the movable plate 6 in a penetrating manner, the middle of the damping ball 12 extends into the communication hole 13, an elastic sheet 14 is fixedly connected to the bottom of the lower die plate 8, and the middle of the elastic sheet 14 is movably sleeved.

Further, the quantity of connecting rod 9 is two, two connecting rod 9 is axisymmetric setting about the vertical central axis that is of lower bolster 8, cavity 10 is concave type cavity, and the bottom of two connecting rod 9 extends to the both ends arch of cavity 10 respectively, and two connecting rod 9 drive two stripper plates 11 and extrude cavity 10 both ends for damping ball 12 middle part extrudes fly leaf 6 tops through intercommunicating pore 13, carries out the shock attenuation to lower bolster 8.

Further, shock attenuation ball 12 is the rubber ball, and the inside of shock attenuation ball 12 is provided with sufficient air for 12 both ends of extrusion shock attenuation ball, the inside air of shock attenuation ball 12 can move to the middle part, makes the middle part inflation cushion lower bolster 8.

The implementation scenario is specifically as follows: when in actual use, when 8 tops of lower bolster receive the impact force, 8 downstream drive connecting rod 9 downshifts of lower bolster, connecting rod 9 drives stripper plate 11 downshifts, stripper plate 11 downshifts extrusion shock attenuation ball 12 both ends, make the inside air in shock attenuation ball 12 both ends to remove to shock attenuation ball 12 middle part, it is protruding to make shock attenuation ball 12 middle part pass through intercommunicating pore 13, support the shock attenuation to 8 bottoms of lower bolster, when 8 drive the flexure strip 14 of lower bolster move to contact with fly leaf 6 tops after, 8 drive connecting rod 9 of lower bolster drive, 14 deformations of extrusion flexure strip, the elasticity of flexure strip 14 resumes the shock attenuation of buffering to lower bolster 8.

Referring to the attached drawings 1 and 3 in the specification, the buffering mechanism of the punching machine with the shock absorption effect of the embodiment includes a fixed block 15, a moving groove 16 is formed in the middle of the bottom of the fixed block 15, a shock absorption spring 18 is fixedly connected to the top of an inner cavity of the moving groove 16, a moving rod 17 is fixedly connected to the bottom end of the shock absorption spring 18, a round hole 25 is formed in the bottom of an inner cavity of the movable groove 5, the bottom end of the moving rod 17 extends into the round hole 25, a buffering spring 19 is arranged between the bottom of the fixed block 15 and the inner wall of the movable groove 5, and two ends of the buffering spring 19 are respectively fixedly connected with the bottom end face of the fixed block 15 and.

Further, the top end of the moving rod 17 is movably connected with the inner wall of the moving groove 16, two side faces of the top end of the moving rod 17 are fixedly connected with limit blocks 20, two side walls of an inner cavity of the moving groove 16 are provided with limit grooves 21, the surface of each limit block 20 is movably connected with the inner wall of each limit groove 21, and each limit block 20 limits the moving rod 17 through each limit groove 21, so that the moving block 17 only can move up and down in the moving groove 16 and cannot fall off from the inside of the moving groove 16.

The implementation scenario is specifically as follows: in practical use, when the lower die plate 8 impacts the movable plate 6, the movable plate 6 drives the fixed block 15 to move downwards, the fixed block 15 extrudes the buffer spring 19 to be compressed, the buffer spring 19 resets and stretches to push the fixed block 15 to move upwards to absorb shock for the movable plate 6, when the bottom end of the moving rod 17 contacts the bottom end of the round hole 25, the distance between the moving rod 17 and the fixed block 15 is shortened, the buffer spring 18 is extruded to be compressed, and the buffer spring 18 resets and stretches to absorb shock for the fixed block 15.

In summary, the following steps: the utility model discloses punching machine with shock attenuation effect, pneumatic cylinder 3 drives cope match-plate pattern 4 and strikes lower bolster 8, and lower bolster 8 drives stripper plate 11 extrusion damping ball 12, and damping ball 12 and 14 combined action of flexure strip are cushioned to lower bolster 8, and when lower bolster 8 drove 6 downstream, fly leaf 6 drives buffer spring 19 and the compression of damping spring 18 through fixed block 15, and buffer spring 19 and the damping spring 18 combined action cushion shock attenuation to fly leaf 6.

The points to be finally explained are: first, in the description of the present application, it should be noted that, unless otherwise specified and limited, the terms "mounted," "connected," and "connected" should be understood broadly, and may be a mechanical connection or an electrical connection, or a communication between two elements, and may be a direct connection, and "upper," "lower," "left," and "right" are only used to indicate a relative positional relationship, and when the absolute position of the object to be described is changed, the relative positional relationship may be changed;

secondly, the method comprises the following steps: in the drawings of the disclosed embodiments of the present invention, only the structures related to the disclosed embodiments are referred to, and other structures can refer to the common design, and under the condition of no conflict, the same embodiment and different embodiments of the present invention can be combined with each other;

and finally: the above description is only for the preferred embodiment of the present invention and should not be taken as limiting the invention, and any modifications, equivalent replacements, improvements, etc. made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A punching machine with shock attenuation effect, includes workstation (1), its characterized in that: the top of the workbench (1) is fixedly connected with a support frame (2), the middle part of the bottom of the support frame (2) is fixedly connected with a hydraulic cylinder (3), the end part of a piston rod of the hydraulic cylinder (3) is fixedly connected with an upper template (4), the central position of the top of the workbench (1) is provided with a movable groove (5), the inner part of the movable groove (5) is movably connected with a movable plate (6), the top of the movable plate (6) is fixedly provided with a corrugated pipe sleeve (7), the top of the corrugated pipe sleeve (7) is fixedly connected with a lower template (8), the middle part of the corrugated pipe sleeve (7) is provided with a damping mechanism, the bottom of the movable plate (6) is provided with a buffer mechanism, two side surfaces of the movable plate (6) are both fixedly connected with blocking blocks (22), and two side walls of the inner cavity of, the surface of the stop block (22) is in sliding connection with the inner cavity of the stop groove (23) at the corresponding position;

the damping mechanism comprises a connecting rod (9), the connecting rod (9) is fixedly arranged at the bottom of a lower template (8), a cavity (10) is arranged in the middle of a movable plate (6), the bottom end of the connecting rod (9) extends into the cavity (10), an extrusion plate (11) is fixedly connected to the bottom end of the connecting rod (9), a damping ball (12) is arranged at the bottom of an inner cavity of the cavity (10), the bottom end face of the extrusion plate (11) is movably attached to the tops of two ends of the damping ball (12), a communication hole (13) penetrates through the center of the top of the movable plate (6), the middle of the damping ball (12) extends into the communication hole (13), an elastic sheet (14) is fixedly connected to the bottom of the lower template (8), and the middle of the elastic sheet (14) is movably sleeved on the surface of the connecting rod (9);

buffer gear includes fixed block (15), shifting chute (16) have been seted up at the end middle part of fixed block (15), shifting chute (16) inner chamber top fixedly connected with damping spring (18), bottom fixedly connected with carriage release lever (17) of damping spring (18), round hole (25) have been seted up to activity groove (5) inner chamber bottom, the bottom of carriage release lever (17) extends to the inside of round hole (25), be provided with between the bottom of fixed block (15) and activity groove (5) inner wall buffer spring (19), the both ends of buffer spring (19) are fixed continuous with fixed block (15) bottom face and activity groove (5) inner chamber bottom respectively.

2. A press with a shock-absorbing effect according to claim 1, characterised in that: the upper template (4) is positioned right above the lower template (8), and the cross section of the lower template (8) is smaller than that of the inner cavity of the movable groove (5).

3. A press with a shock-absorbing effect according to claim 1, characterised in that: the number of connecting rod (9) is two, two connecting rod (9) are the axisymmetric setting about the vertical central axis that is of lower bolster (8) to the central axis, cavity (10) are concave cavity, and the both ends arch department of cavity (10) is extended respectively to the bottom of two connecting rod (9).

4. A press with a shock-absorbing effect according to claim 1, characterised in that: the damping ball (12) is a rubber ball, and sufficient air is arranged in the damping ball (12).

5. A press with a shock-absorbing effect according to claim 1, characterised in that: the inner wall swing joint of the top of carriage release lever (17) and shifting chute (16), the equal fixedly connected with stopper (20) of both sides face on carriage release lever (17) top, spacing groove (21) have all been seted up to the both sides wall of shifting chute (16) inner chamber, the surface of stopper (20) and the inner wall swing joint of spacing groove (21).

6. A press with a shock-absorbing effect according to claim 1, characterised in that: all fixedly connected with supporting leg (24) in the four corners of workstation (1) bottom face, and the bottom of supporting leg (24) is provided with rubber suction cup.