CN209969240U

CN209969240U - Pressure shaping tool

Info

Publication number: CN209969240U
Application number: CN201920648781.3U
Authority: CN
Inventors: 谈国良; 王骏
Original assignee: Wuxi Wanli Industrial Group Co Ltd
Current assignee: Wuxi Wanli Industrial Group Co Ltd
Priority date: 2019-05-07
Filing date: 2019-05-07
Publication date: 2020-01-21
Anticipated expiration: 2029-05-07

Abstract

The utility model relates to a pressure shaping tool, which comprises a bottom plate, wherein a portal frame assembly is supported and installed on the bottom plate through a pulley assembly, and a jack is connected with the inner side of the top of the portal frame assembly; the pulley assemblies are two in number, the two pulley assemblies are fixed on the inner walls of two sides of the portal frame assembly respectively through bolts, and the two pulley assemblies drive the portal frame assembly to slide back and forth along the upper surface of the bottom plate through rollers at the bottoms of the two pulley assemblies. The utility model discloses a local plastic method overcomes the deformation in the welding process, makes the product size appearance accord with the drawing design requirement.

Description

Pressure shaping tool

Technical Field

The utility model belongs to the technical field of plastic frock technique and specifically relates to a pressure plastic frock.

Background

High-speed railway project BC class spare (for example plate for the train automobile body) is applied to the railway industry, and is very strict to the appearance requirement, mostly is the welding piece again, and high temperature can lead to the work piece to appear the deformation of different degrees during the welding, and the quality can not obtain guaranteeing.

SUMMERY OF THE UTILITY MODEL

The applicant provides a pressure shaping tool with a reasonable structure aiming at the defects in the prior art, overcomes the deformation in the welding process, and adopts a local shaping method to ensure that the size and the appearance of a product meet the design requirements of drawings.

The utility model discloses the technical scheme who adopts as follows:

a pressure shaping tool comprises a bottom plate, wherein a portal frame assembly is supported and mounted on the bottom plate through a pulley assembly, and a jack is connected to the inner side of the top of the portal frame assembly; the pulley assemblies are two in number, the two pulley assemblies are fixed on the inner walls of two sides of the portal frame assembly respectively through bolts, and the two pulley assemblies drive the portal frame assembly to move back and forth along the upper surface of the bottom plate through rollers at the bottoms of the two pulley assemblies.

The further technical scheme is as follows:

the structure of the gantry assembly is as follows: the L-shaped plates are clamped on the bottom plate, and a gap is reserved between the lower surface of the bottom plate and the upper surface of the horizontal section of the L-shaped plate; the top ends of the two vertical beams are connected through the cross beam, two sliding grooves are respectively formed in two sides of the cross beam, and end plates are arranged at two ends of each sliding groove.

The jack comprises a jack body, two wheels which are arranged in parallel at intervals are mounted at the top end of the jack body through a connecting plate, the two wheels are respectively matched with the two sliding grooves, an installing plate is arranged in the middle of the connecting plate, and the jack is connected with the bottom surface of the cross beam through the installing plate.

The height of the jack body is 340mm, the stroke is 200mm, the outer diameter is 127mm, and the diameter of the piston is 80 mm.

Two vertical ribs are arranged at two sides of the middle part of the lower surface of the bottom plate at intervals, and a transverse rib is arranged between the two vertical ribs at intervals; the four corners of the lower surface of the bottom plate are respectively connected with a baffle, and the two baffles on each side limit the movement of the gantry assembly.

The pulley components comprise L-shaped pulley plates, reinforcing ribs are arranged in the L-shaped pulley plates at intervals, kidney-shaped holes used for being connected with the inner walls of the two sides of the portal frame component are formed in the side faces of the L-shaped pulley plates, and the rollers are installed below the bottom faces of the L-shaped pulley plates.

The utility model has the advantages as follows:

the utility model discloses compact structure, reasonable, through the position of loose pulley assembly adjustment longmen frame subassembly and jack, convenient operation, it is efficient, the utility model discloses a jack top area connecting plate is convenient for connect, and the jack designs according to treating plastic part thickness with the parameter at its complex hydraulic pressure station, satisfies the plastic requirement of the part in the standard range.

Drawings

Fig. 1 is a schematic perspective view of the present invention.

Fig. 2 is a schematic structural view of the gantry assembly of the present invention.

Fig. 3 is a schematic structural diagram of the jack of the present invention.

Fig. 4 is a schematic structural diagram of the bottom plate of the present invention.

Fig. 5 is a schematic structural view of the pulley assembly of the present invention.

Wherein: 1. a base plate; 2. a gantry assembly; 3. a sheave assembly; 4. a jack; 11. erecting ribs; 12. transverse ribs; 13. a baffle plate; 21. a vertical beam; 22. an L-shaped plate; 23. a cross beam; 24. a chute; 25. an end plate; 26. angle ribs; 31. an L-shaped pulley plate; 32. reinforcing ribs; 33. a roller; 34. a kidney-shaped hole; 41. a connecting plate; 42. a wheel; 43. a jack body; 44. and (7) mounting the plate.

Detailed Description

The following describes embodiments of the present invention with reference to the drawings.

As shown in fig. 1, the pressure shaping tool of the embodiment includes a bottom plate 1, a gantry assembly 2 is supported and mounted on the bottom plate 1 through a pulley assembly 3, and a jack 4 is connected to the inner side of the top of the gantry assembly 2; the pulley assemblies 3 are two in number, the two pulley assemblies 3 are respectively fixed on the inner walls of the two sides of the portal frame assembly 2 through bolts, and the two pulley assemblies 3 drive the portal frame assembly 2 to move back and forth along the upper surface of the bottom plate 1 through rollers 33 at the bottoms of the two pulley assemblies.

As shown in fig. 2, the gantry assembly 2 has the following structure: the device comprises two vertical beams 21 arranged at intervals, wherein L-shaped plates 22 are respectively arranged at the bottom ends of the two vertical beams 21, the L-shaped plates 22 are clamped on a bottom plate 1, and a gap is reserved between the lower surface of the bottom plate 1 and the upper surface of the horizontal section of the L-shaped plates 22; the top ends of the two vertical beams 21 are connected through a cross beam 23, two sides of the cross beam 23 are respectively provided with a sliding chute 24, and two ends of each sliding chute 24 are provided with end plates 25. The joints of the two ends of the cross beam 23 and the two vertical beams 21 are respectively provided with an angle rib 26.

As shown in fig. 3, the jack 4 includes a jack body 43, two wheels 42 are mounted on the top end of the jack body through a connecting plate 41, the two wheels 42 are arranged in parallel at intervals, the two wheels 42 are respectively matched with the two sliding grooves 24, a mounting plate 44 is arranged in the middle of the connecting plate 41, and the jack 4 is connected with the bottom surface of the cross beam 23 through the mounting plate 44.

The height of the jack body 43 is 340mm, the stroke is 200mm, the outer diameter is 127mm, and the diameter of the piston is 80 mm.

As shown in fig. 4, two vertical ribs 11 are installed at two sides of the middle of the lower surface of the bottom plate 1 at intervals, and a transverse rib 12 is installed between the two vertical ribs 11 at intervals; the four corners of the lower surface of the bottom plate 1 are respectively connected with a baffle 13, and the two baffles 13 on each side limit the movement of the gantry assembly 2.

As shown in fig. 5, the pulley assembly 3 includes an L-shaped pulley plate 31, reinforcing ribs 32 are provided at intervals in the L-shaped pulley plate 31, a side surface of the L-shaped pulley plate 31 is provided with a kidney-shaped hole 34 for connecting with inner walls of two sides of the gantry assembly 2, and a roller 33 is provided below a bottom surface of the L-shaped pulley plate 31.

The utility model discloses an implementation as follows:

the first step, place the pressure plastic frock of this embodiment on the platform, connect jack 4 and hydraulic pressure station with hydraulic hose.

And secondly, placing a workpiece (BC type) to be shaped in a blank on the upper surface of the base plate 1, and placing a sizing block at the bottom of the workpiece (the sizing block is designed according to the workpiece).

And thirdly, starting a hydraulic station, moving a jack 4 to a position right above the workpiece through rolling of a pulley assembly 3, starting the jack 4, slowly pressing a pressure head of a piston rod of the jack to the deformation position of the workpiece, maintaining the pressure for about 1 minute after the pressure is flat, loosening the jack 4, detecting whether the workpiece is flat or not by using a level gauge, and repeating the actions if the workpiece is flat until the workpiece is flat and qualified.

In the third step of the implementation process, the pressure head of the jack 4 is lifted upwards by the workpiece, the jack 4 and the gantry assembly 2 are lifted integrally, so that the gap between the upper surface of the horizontal section of the L-shaped plate 22 and the lower surface of the bottom plate 1 is attached, and the roller 33 of the pulley assembly 3 is separated from the upper surface of the bottom plate 1. The utility model discloses a can be used to the plastic, also can design and be used for work piece shaping suppression etc..

The utility model discloses in the implementation, because BC class spare plate thickness generally is no longer than 8mm, the radical power of buckling computational formula: 650S²*L/V，

In the formula: p is bending force, 650 is tensile strength (coefficient), S is the plate thickness, L is the plate length, V is the lower die notch, and the work piece thickness 8mm is taken as an example and calculated out:

P＝650*8²416KN for 400/40, about 42.5 tons, so a 50 tonnage jack was chosen.

The matched hydraulic station selects 1.5KW of motor power, 30L of oil tank volume, 63MPa of rated pressure output by the oil cylinder, is provided with a foot switch and is safe and convenient.

The above description is for the purpose of explanation and not limitation of the invention, which is defined in the claims, and any modifications may be made within the scope of the invention.

Claims

1. The utility model provides a pressure plastic frock which characterized in that: the gantry crane comprises a bottom plate (1), wherein a gantry frame component (2) is supported and mounted on the bottom plate (1) through a pulley component (3), and the inner side of the top of the gantry frame component (2) is connected with a jack (4); the two pulley assemblies (3) are respectively fixed on the inner walls of the two sides of the portal frame assembly (2) through bolts, and the two pulley assemblies (3) drive the portal frame assembly (2) to move back and forth along the upper surface of the bottom plate (1) through rollers (33) at the bottoms of the pulley assemblies.

2. The pressure shaping tool of claim 1, wherein: the structure of the portal frame component (2) is as follows: the device comprises two vertical beams (21) arranged at intervals, wherein L-shaped plates (22) are respectively arranged at the bottom ends of the two vertical beams (21), the L-shaped plates (22) are clamped on a bottom plate (1), and a gap is reserved between the lower surface of the bottom plate (1) and the upper surface of the horizontal section of the L-shaped plates (22); the top ends of the two vertical beams (21) are connected through a cross beam (23), two sides of the cross beam (23) are respectively provided with a sliding groove (24), and two ends of each sliding groove (24) are provided with end plates (25).

3. The pressure shaping tool of claim 2, wherein: jack (4) include jack body (43), and two wheels (42) of interval parallel arrangement are installed through connecting plate (41) in its top, two wheels (42) respectively with two spout (24) cooperation, connecting plate (41) middle part is equipped with a mounting panel (44), and jack (4) pass through mounting panel (44) are connected with the bottom surface of crossbeam (23).

4. The pressure shaping tool of claim 3, wherein: the jack body (43) is 340mm high, 200mm in stroke, 127mm in outer diameter and 80mm in piston diameter.

5. The pressure shaping tool of claim 1, wherein: two vertical ribs (11) are arranged on two sides of the middle part of the lower surface of the bottom plate (1) at intervals, and transverse ribs (12) are arranged between the two vertical ribs (11) at intervals; a baffle (13) is connected respectively in the lower surface four corners department of bottom plate (1), and two baffles (13) of every side carry on spacingly to the removal of portal frame subassembly (2).

6. The pressure shaping tool of claim 1, wherein: pulley block (3) are equipped with strengthening rib (32) including L shape pulley board (31), the interval in L shape pulley board (31), and waist type hole (34) that are used for with the both sides inner wall connection of portal frame subassembly (2) are opened to the side of L shape pulley board (31), and install the bottom surface below of L shape pulley board (31) gyro wheel (33).