CN209053848U - End thickening device of liquid storage pipe - Google Patents

Abstract

The utility model discloses an end thickening device of a liquid storage pipe, which comprises an oil tank, wherein the oil tank is communicated with an oil absorption filter through a pipeline, the oil absorption filter is communicated with a plunger pump through a pipeline, and the plunger pump is connected with a motor; the plunger pump is communicated with an overflow valve block through a pipeline, the overflow valve block is communicated with a reversing valve block through a pipeline, the reversing valve block is communicated with a differential block mechanism through a pipeline, the two differential block mechanisms are respectively communicated with a clamping cylinder and an upsetting cylinder through pipelines, the two overflow valve blocks are communicated with an oil return filter through pipelines, and the oil return filter is communicated with an oil tank through a pipeline; and pull rods are arranged on the outer sides of the clamping cylinder and the upsetting cylinder and are fixed on the supporting seat, and a clamp and a die are respectively arranged on one sides, close to each other, of the clamping cylinder and the upsetting cylinder. The beneficial effects of the utility model are that, convenient operation satisfies quick upset forging, tight needs of clamp, and application scope is wide.

Description

A kind of end-thickened device of liquid storage pipe

Technical field

The utility model relates to the end-thickened equipment technical fields of materials in the tube, more specifically, being related to a kind of end of liquid storage pipe Portion's thickening device.

Background technique

The external end-thickened equipment of materials in the tube, mostly uses high-power hydraulic system, with crank link mechanism principle, realizes Quick upsetting, quickly anxious to return, upsetting is high-quality, especially adapts to major diameter, upsetting than big materials in the tube end upsetting, and to some small The materials in the tube of specification, sexual valence is poor, is not suitable for using；And four domestic columns add the end-thickened equipment of upset cylinder formula, cost compared with Height, concentricity are poor, and upsetting quality is general.

The liquid storage pipe of storing liquid carbon dioxide gas requires the inner hole of tube head part more much smaller than the inner hole of materials in the tube, and And length is generally at 2 meters or less；Therefore it needs to study a kind of end-thickened equipment, had not only been able to satisfy upsetting quality, but also adapt to advise The needs of the lesser materials in the tube production of lattice.

Utility model content

In order to overcome the technical drawbacks described above, the utility model provides a kind of end-thickened device of liquid storage pipe.

To achieve the above object, the utility model uses following technical scheme:

A kind of end-thickened device of liquid storage pipe, including fuel tank, the fuel tank have oil-suction oil filter by pipeline connection, inhale Oily oil filter has plunger pump by pipeline connection, and plunger pump is connected with motor；The plunger pump has overflow by pipeline connection Valve block, overflow valve block have conversion valve block by pipeline connection, and conversion valve block has differential piece of mechanism by pipeline connection, and two differential Block mechanism passes through pipeline connection respectively clamping cylinder and upset cylinder, and two of them overflow valve block, which all passes through pipeline connection, oil return filter Oily device, return oil filter have fuel tank by pipeline connection；It is provided with pull rod on the outside of the clamping cylinder and upset cylinder, pull rod is fixed On support base, wherein clamping cylinder and upset cylinder side close to each other are respectively arranged with fixture and mold；

Wherein differential piece of mechanism includes inserted valve one, inserted valve two, inserted valve three, hydraulic control one-way valve, check valve and commutation There are inserted valve one and check valve in valve, conversion valve block one end by pipeline connection, and check valve has hydraulic control one-way valve by pipeline connection, Inserted valve one has hydraulic control one-way valve and oil cylinder by pipeline connection respectively, and the other end of oil cylinder passes through pipeline connection respectively inserting Valve two, inserted valve three and reversal valve, wherein inserted valve three has inserted valve one by pipeline connection, and wherein reversal valve is connected by pipeline Logical conversion valve block；The inserted valve two and hydraulic control one-way valve all pass through the other end that pipeline connection has conversion valve block.

Further, the mold includes die sleeve and squeezes fuse, and die sleeve is sleeved on the outside for squeezing fuse.

Further, the fixture include left gland, left end cap, clamp block, cylinder barrel, clamping fixture seat, right end cap, right gland and Compressed spring；The clamp block is block, and compressed spring is provided between adjoining clips block, and the outer sheath of clamp block is equipped with fixture Seat；Both ends on the outside of the clamping fixture seat are respectively arranged with left end cap and right end cap, set on the outside of left end cap, right end cap and clamping fixture seat It is equipped with cylinder barrel, hydraulic fluid port is provided on cylinder barrel, wherein the both ends of cylinder barrel are fixed on support base, and two support bases pass through bolt respectively It is fixed with left gland and right gland.

The beneficial effects of the utility model are: this device can simplify the processing technology of liquid storage pipe, improves efficiency and process Precision；It is easy to operate, meet the needs of quick upset, clamping, it is applied widely, especially suitable short tube it is end-thickened.

Detailed description of the invention

Fig. 1 is the operation logic figure of the utility model；

Fig. 2 is the partial structural diagram of the utility model；

Fig. 3 is the structural schematic diagram of mold described in the utility model；

Fig. 4 is the schematic diagram of differential piece of mechanism described in the utility model；

Fig. 5 is the scheme of installation of fixture described in the utility model；

Fig. 6 is the location map of clamp block described in the utility model；

In figure, 1, fuel tank；2, oil-suction oil filter；3, motor；4, plunger pump；5, overflow valve block；6, conversion valve block；7, poor Motion block mechanism；8, clamping cylinder；9, upset cylinder；10, return oil filter；11, mold；12, fixture；13, support base；14, pull rod； 111, die sleeve；112, fuse is squeezed；701, inserted valve one；702, inserted valve two；703, inserted valve three；704, hydraulic control one-way valve； 705, check valve；706, reversal valve；1201, left gland；1202, left end cap；1203, clamp block；1204, cylinder barrel；1205, it presss from both sides Has seat；1206, right end cap；1207, right gland；1208, compressed spring.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model It clearly and completely describes, as shown in figures 1 to 6, a kind of end-thickened device of liquid storage pipe, including fuel tank 1, the fuel tank 1 pass through Pipeline connection has oil-suction oil filter 2, and oil-suction oil filter 2 has plunger pump 4 by pipeline connection, and plunger pump 4 is connected with motor 3； The plunger pump 4 has overflow valve block 5 by pipeline connection, and overflow valve block 5 has conversion valve block 6, conversion valve block 6 by pipeline connection There is differential piece of mechanism 7 by pipeline connection, there are clamping cylinder 8 and upset cylinder 9 in two differential piece of mechanisms 7 by pipeline connection respectively, Two of them overflow valve block 5 all has return oil filter 10 by pipeline connection, and return oil filter 10 has fuel tank by pipeline connection 1；The outside of the clamping cylinder 8 and upset cylinder 9 is provided with pull rod 14, and pull rod 14 is fixed on support base 13, wherein clamping cylinder 8 Side close to each other is respectively arranged with fixture 12 and mold 11 with upset cylinder 9；

Wherein differential piece of mechanism 7 include inserted valve 1, inserted valve 2 702, inserted valve 3 703, hydraulic control one-way valve 704, There are inserted valve 1 and check valve 705, check valve in check valve 705 and reversal valve 706,6 one end of conversion valve block by pipeline connection 705 have hydraulic control one-way valve 704 by pipeline connection, and inserted valve 1 has hydraulic control one-way valve 704 and oil by pipeline connection respectively Cylinder, the other end of oil cylinder passes through pipeline connection respectively inserted valve 2 702, inserted valve 3 703 and reversal valve 706, wherein inserting Valve 3 703 has inserted valve 1 by pipeline connection, and wherein reversal valve 706 passes through pipeline connection conversion valve block 6；The inserting Valve 2 702 and hydraulic control one-way valve 704 all have the other end of conversion valve block 6 by pipeline connection；

Wherein mold 11 includes die sleeve 111 and squeezes fuse 112, and die sleeve 111 is sleeved on the outside for squeezing fuse 112；

Wherein fixture 12 include left gland 1201, left end cap 1202, clamp block 1203, cylinder barrel 1204, clamping fixture seat 1205, Right end cap 1206, right gland 1207 and compressed spring 1208；The clamp block 1203 is 4 pieces, is set between adjoining clips block 1203 It is equipped with compressed spring 1208, the outer sheath of clamp block 1203 is equipped with clamping fixture seat 1205；The both ends point in 1205 outside of clamping fixture seat It is not provided with left end cap 1202 and right end cap 1206, the outside of left end cap 1202, right end cap 1206 and clamping fixture seat 1205 is provided with Cylinder barrel 1204 is provided with hydraulic fluid port on cylinder barrel 1204, and wherein the both ends of cylinder barrel 1204 are fixed on support base 13, two support bases 13 It has been bolted left gland 1201 and right gland 1207 respectively.

In the present embodiment, the advantages of clamp block 1203 uses ectosome for 4 half formulas of the conical surface, this structure mainly has In terms of following two: the structure of conical surface inclined plane force increasing, in identical power, structure size is substantially reduced, and is made The volume of whole device is obviously reduced；Designing core type for 4 half formulas, greatly improves the product concentricity of processing, to improve Yield rate.

End-thickened to belong to hot-working, workpiece could must form at a certain temperature, and the workpiece after heating is in air Middle temperature reduces rapidly, and this feature requires upsetting speed fast.In the system for providing power by pressure oil, speed is fast Require that flow is big, the specific work process of differential piece of mechanism 7 is oil cylinder rodless cavity oil inlet, rod chamber oil return, and piston rod is pushed up Out, the oil return of rod chamber is added to by rodless cavity by the control of valve block, the increase of rodless cavity flow is realized, to reach promotion upsetting Forge the purpose of speed.

Above-mentioned technical proposal only embodies the optimal technical scheme of technical solutions of the utility model, the technology of the art Personnel embody the principles of the present invention to some variations that some of them part may be made, and belong to the utility model Protection scope within.

Claims (3)

1. a kind of end-thickened device of liquid storage pipe, it is characterised in that: including fuel tank (1), the fuel tank (1) passes through pipeline connection Have oil-suction oil filter (2), oil-suction oil filter (2) has plunger pump (4) by pipeline connection, and plunger pump (4) is connected with motor (3)；The plunger pump (4) has overflow valve block (5) by pipeline connection, and overflow valve block (5) has conversion valve block by pipeline connection (6), conversion valve block (6) has differential piece of mechanism (7) by pipeline connection, and two differential piece of mechanisms (7) pass through pipeline connection respectively There are clamping cylinder (8) and upset cylinder (9), two of them overflow valve block (5) all has return oil filter (10), oil return by pipeline connection Oil filter (10) has fuel tank (1) by pipeline connection；Pull rod (14) are provided on the outside of the clamping cylinder (8) and upset cylinder (9), Pull rod (14) is fixed on support base (13), and wherein clamping cylinder (8) and upset cylinder (9) side close to each other are respectively arranged with folder Have (12) and mold (11)；

Wherein differential piece of mechanism (7) includes inserted valve one (701), inserted valve two (702), inserted valve three (703), hydraulic control one-way valve (704), there are inserted valve one (701) and list in check valve (705) and reversal valve (706), conversion valve block (6) one end by pipeline connection To valve (705), check valve (705) has hydraulic control one-way valve (704) by pipeline connection, and inserted valve one (701) passes through pipeline respectively It is communicated with hydraulic control one-way valve (704) and oil cylinder, the other end of oil cylinder passes through pipeline connection respectively inserted valve two (702), inserting Valve three (703) and reversal valve (706), wherein inserted valve three (703) has inserted valve one (701) by pipeline connection, wherein commutating Valve (706) passes through pipeline connection conversion valve block (6)；The inserted valve two (702) and hydraulic control one-way valve (704) are all connected by pipeline It is connected with the other end of conversion valve block (6).

2. a kind of end-thickened device of liquid storage pipe according to claim 1, it is characterised in that: the mold (11) includes Die sleeve (111) and extruding fuse (112), die sleeve (111) are sleeved on the outside for squeezing fuse (112).

3. a kind of end-thickened device of liquid storage pipe according to claim 1, it is characterised in that: the fixture (12) includes Left gland (1201), left end cap (1202), clamp block (1203), cylinder barrel (1204), clamping fixture seat (1205), right end cap (1206), Right gland (1207) and compressed spring (1208)；The clamp block (1203) is 4 pieces, and adjoining clips block is provided between (1203) The outer sheath of compressed spring (1208), clamp block (1203) is equipped with clamping fixture seat (1205)；Two on the outside of the clamping fixture seat (1205) End is respectively arranged with left end cap (1202) and right end cap (1206), left end cap (1202), right end cap (1206) and clamping fixture seat (1205) it is provided on the outside of cylinder barrel (1204), cylinder barrel is provided with hydraulic fluid port on (1204), and wherein the both ends of cylinder barrel (1204) are fixed On support base (13), two support bases (13) have been bolted left gland (1201) and right gland (1207) respectively.