CN214816317U

CN214816317U - Oil bag press

Info

Publication number: CN214816317U
Application number: CN202120052818.3U
Authority: CN
Inventors: 董强; 祝新荣
Original assignee: Hangzhou Dc Energy Equipment Co ltd
Current assignee: Hangzhou Dc Energy Equipment Co ltd
Priority date: 2021-01-08
Filing date: 2021-01-08
Publication date: 2021-11-23
Anticipated expiration: 2031-01-08

Abstract

The utility model discloses an oil bag press, which is used for pressing an oil bag in a machine barrel, and comprises a frame, wherein a jacking tool, a machine barrel positioning tool, a double-acting pressing die and a pressing device are arranged in the frame, the jacking tool comprises a jacking power mechanism and a mounting plate fixed on the jacking power mechanism, and the machine barrel positioning tool comprises two clamping plates positioned on the mounting plate and a cylinder clamping jaw positioned on the frame; the lower pressing device comprises a lower pressing power mechanism fixed on the frame, the double-acting pressing die is fixed at the lower end of the lower pressing power mechanism and is positioned above the mounting plate of the jacking power mechanism, and the double-acting pressing die and the two clamping plates on the mounting plate are arranged oppositely; the double-acting pressing die comprises a pre-pressing connecting plate and a pressing shaft fixed on the pre-pressing connecting plate, an inner pressing die is arranged at the lower end of the pressing shaft, an outer die sleeved on the outer side of the inner pressing die is further arranged on the pressing shaft, a horn mouth expanding downwards is formed in the lower end of the outer die, the horn mouth is matched with the upper end of the oil bag, and a reset spring is arranged between the outer die and the pre-pressing connecting plate.

Description

Oil bag press

Technical Field

The application relates to the technical field of deep-well pump oil bag presses, in particular to an oil bag press.

Background

The oil bag is a device for adjusting the balance of internal and external pressure, and can ensure the normal operation of a motor in the submersible pump. For example, in chinese patent literature, the utility model discloses a special benefit of 7.7.7.2020 of granted bulletin No. CN 210949286U discloses an oil pocket structure of submersible deep-well pump, including motor casing, a pedestal, the bottom has oil pocket and the bearing frame of cavity, the base upper end is provided with first cyclic annular flange, its inner wall hugs closely in the outer wall of first cyclic annular flange after oil pocket cover locates first cyclic annular flange, the base lower extreme still is provided with the through-hole that accesss to the oil pocket cavity, there is the radial outside annular that sets up on the oil pocket lower extreme outer wall to keep off the seat, annular keeps off seat outer fringe department and is provided with the second cyclic annular flange, the bearing frame includes the bearing housing, the annular pedestal that is located the bearing housing below and is used for connecting the splice bar of the two, the annular groove has been seted up to the lower extreme of annular pedestal, after the annular pedestal cover was located on the oil pocket, the second cyclic annular flange inlays and locates in the annular groove.

In the prior art, an integral single-block pressing die is usually adopted for pressing an oil sac into a machine barrel, but the opening of the machine barrel is narrowed and is relatively sharp, so that the machine barrel is not convenient to assemble, the oil sac is soft, has tension and is difficult to be loaded into the machine barrel by simple actions, the oil sac is easy to block at an acute angle due to overlarge pressure to damage, the existing oil sac pressing machine has low working efficiency and poor finished product qualification rate; the existing oil bag pressing efficiency is low, and an oil bag pressing machine is urgently needed to improve the pressing efficiency of the oil bag.

Disclosure of Invention

Based on above-mentioned not enough among the prior art, the utility model provides an oil pocket press can improve the yield that the oil pocket pressed in, realizes the automatic pressure of oil pocket and advances, improves the production efficiency that the barrel was pressed in to the oil pocket.

In order to achieve the above object, the present application adopts the following technical solutions.

An oil sac press for pressing an oil sac in a machine barrel comprises a machine frame, wherein a jacking tool, a machine barrel positioning tool, a double-acting pressing die and a pressing device are arranged in the machine frame,

the jacking tool comprises a jacking power mechanism and a mounting plate fixed on the jacking power mechanism, and the machine barrel positioning tool comprises two clamping plates positioned on the mounting plate and a cylinder clamping jaw positioned on the rack;

the lower pressing device comprises a lower pressing power mechanism fixed on the frame, the double-acting pressing die is fixed at the lower end of the lower pressing power mechanism and is positioned above the mounting plate of the jacking power mechanism, and the double-acting pressing die and the two clamping plates on the mounting plate are arranged oppositely;

the double-acting pressing die comprises a pre-pressing connecting plate and a pressing shaft fixed on the pre-pressing connecting plate, an inner pressing die is arranged at the lower end of the pressing shaft, an outer die sleeved on the outer side of the inner pressing die is further arranged on the pressing shaft, a horn mouth expanding downwards is formed in the lower end of the outer die, the horn mouth is matched with the upper end of the oil bag, and a reset spring is arranged between the outer die and the pre-pressing connecting plate.

When the device is used, the shell is placed on the inner sides of the two clamping plates to be clamped, so that the shell is positioned, and meanwhile, the clamping jaw of the air cylinder is clamped, so that the longitudinal reliable limiting of the shell is realized; the oil sac is pre-arranged at the upper end of the machine barrel, the double acting pressing die and the mounting plate move oppositely under the action of a pressing power mechanism and a jacking power mechanism, the pressing power mechanism can adopt an air cylinder or an oil cylinder, the jacking power mechanism can adopt linear motion parts such as the air cylinder or the oil cylinder and the like, and the press mounting of the oil sac into the machine barrel is realized; the outer die is used for pressing the oil sac downwards, when the oil sac stops descending, the bell mouth can force the oil sac to gather inwards, a part of the oil sac is separated from the outer wall to be pressed in conveniently, the part of the oil sac which can not descend can gather inside the outer die, the outer die stops descending after being fully contacted with the machine barrel, and meanwhile, the oil sac can gather to a proper position; the inner pressing die can slide downwards at the moment, the gathered oil sac is smoothly sent into the machine barrel, and the oil sac is smoothly pressed in; the reset spring is a compression spring, and in a natural state, the outer die is positioned at the lowest position which can be reached on the pressing shaft, so that the outer die is ensured to contact the oil bag earlier than the inner pressing die, a reliable gathering effect is achieved, and the pressing efficiency of the oil bag is improved.

Preferably, the lower end of the outer die can extend to the lower part of the inner pressing die, a limiting hole matched with the inner pressing die is formed in the outer die, and the bell mouth is located at the lower end of the limiting hole. The inner pressing die can slide in the limiting hole and is matched with the horn mouth, and reliable pressing of the oil bag is achieved.

Preferably, the two ends of the bell mouth are round table surfaces with equal cone angles, a limiting ring surface is arranged between the two round table surfaces, the cross section of the limiting ring surface is in the shape of an upward convex arc, and the limiting ring surface and the two round table surfaces are in smooth transition. By arranging the limiting ring surface, the smooth stress surface can be ensured after the outer die is contacted with the oil bag, the surface of the oil bag cannot be damaged, the pressing and gathering effects can be improved, and the pressing efficiency of the oil bag is improved; in addition, the outer pressing die can be matched with the machine barrel conveniently through the arrangement of the circular table top and the limiting ring surface, the upper end of the machine barrel is prevented from being in contact extrusion deformation, contact dead angles are eliminated, and the structural reliability of the upper end of the machine barrel is improved.

Preferably, a transition round angle is arranged between the lower end of the bell mouth and the outer die. The matching of the external mold, the machine barrel and the oil bag is convenient, and the balanced pressing and gathering capacity of the external mold is ensured.

Preferably, the outer die and the pressing shaft bracket are provided with a guide part, the guide part is fixedly arranged with the outer die, and the guide part is arranged with the pressing shaft in a sliding manner. The guide part can adopt a copper sleeve, a composite guide sleeve, a ball guide sleeve and the like, the connection service life between the outer die and the pressing shaft support is prolonged through the guide part, and the reliability is improved.

Preferably, the same ends of the two clamping plates are rotatably connected to the mounting plate, the rotating axes of the two clamping plates are perpendicular to the mounting plate, and the other ends of the two clamping plates are rotatably connected to a piston rod of a clamping cylinder through connecting rods respectively. The two clamping plates can be controlled by the clamping cylinder to synchronously draw close, so that the positioning and clamping reliability of the machine barrel is ensured.

Preferably, the cross-sectional shape of the both plates is an arc shape convex outward of the both plates. The arc-shaped clamping plate is matched with the side surface of the machine barrel, so that the reliable clamping and positioning effects are improved.

Preferably, the lower side of the mounting plate is provided with a supporting rod, the rack is provided with a supporting block matched with the supporting rod, the rack is provided with a sliding rail and a sliding block matched with the sliding rail, the sliding block is connected with a driving cylinder, and the supporting block is fixed on the upper side of the sliding block. The supporting block is arranged in a sliding manner, and can support the supporting rod when the oil bag is pressed, so that the stability of the mounting plate is ensured, and the stress of the jacking power mechanism is reduced; and when material loading and unloading, through the position that drives actuating cylinder adjusting block, can realize the dislocation of bracing piece and supporting shoe to the mounting panel can reduce lower position, thereby conveniently goes up unloading, improves machining efficiency.

Preferably, the cylinder portion of the cylinder gripper is fixed to a plate which is connected to a reciprocating cylinder. The cylinder clamping jaw can reciprocate in the horizontal direction, and loading and unloading before and after the machine barrel is pressed and loaded with the oil bag are facilitated.

The utility model discloses following beneficial effect has: the oil bag can be pressed and conveyed; the clamping positioning and the feeding and discharging are convenient, and the pressing efficiency of the oil bag is improved; the rigid extrusion to the oil bag is reduced, and the integrity of the upper end of the oil bag is maintained.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a schematic structural view of the double acting pressing die of the present invention.

Fig. 3 is an enlarged schematic view at a in fig. 2.

Figure 4 is the installation schematic diagram of well cylinder clamping jaw of the utility model discloses.

Fig. 5 is a schematic structural diagram of the cooperation of the middle press device and the reset moving die of the present invention.

Fig. 6 is a schematic structural view of the middle jacking tool of the present invention.

Fig. 7 is a front view of fig. 6.

In the figure: the alarm warning lamp 12 of the power distribution box 11 of the rack 1, the touch screen 13 of the touch screen 13, the jacking tool 2, the jacking power mechanism 21, the mounting plate 22, the auxiliary wheel 221, the supporting rod 23, the sliding block 24, the sliding block 25, the sliding block 26, the driving cylinder 27, the third panel 28, the third guide shaft 281, the third linear bearing 282, the stopping cylinder 29, the blocking block 291, the barrel positioning tool 3, the clamping cylinder 31, the connecting rod 321, the clamping jaw 33, the roller 331, the plate 34, the reciprocating cylinder 35, the first guide shaft 361, the first linear bearing 362, the re-moving pressing die 4, the pressing shaft 41, the internal pressing die 43, the mounting table 440, the bell mouth 441, the circular table 442, the limiting ring surface 443, the guide sleeve 45, the return spring 47, the pressing device 5, the second panel 52, the second guide shaft 521, and the second linear bearing 522, the oil pocket 7 of the barrel 6 of the power mechanism 51.

Detailed Description

The invention is further illustrated with reference to the accompanying drawings and specific embodiments.

In the embodiment of the method, the first step,

as shown in fig. 1 to 7, an oil bag press for pressing an oil bag in a cylinder comprises a frame 1, wherein a distribution box 11, an alarm prompt lamp 12 and a touch screen 13 are arranged on the frame 1. The outer side of the frame 1 is provided with a door and a window which can be opened and closed, so that the processing safety is improved. A jacking tool 2, a machine barrel positioning tool 3, a double acting pressing die 4 and a pressing device 5 are arranged in the rack 1, the jacking tool 2 comprises a jacking power mechanism 21 and a mounting plate 22 fixed on the jacking power mechanism 21, and the machine barrel positioning tool 3 comprises two clamping plates 31 positioned on the mounting plate 22 and a cylinder clamping jaw 33 positioned on the rack 1; the same ends of the two clamping plates 31 are rotatably connected to the mounting plate 22, the rotation axes of the two clamping plates 31 are perpendicular to the mounting plate 22, and the other ends of the two clamping plates 31 are rotatably connected to a piston rod of a clamping cylinder 32 through connecting rods 321. The cross-sectional shape of the two clamp plates 31 is an arc shape protruding outward of the two clamp plates 31. The cylinder part of the cylinder gripper 33 is fixed to a plate 34, which plate 34 is connected to a reciprocating cylinder 35. Two groups of roller groups which are rotatably arranged are arranged on the inner side of each claw body of the air cylinder clamping jaw 33, the two groups of roller groups respectively comprise four coaxially arranged rollers 331, and the four rollers 331 are convenient to center the arc-shaped outer wall of the machine barrel 6, so that the clamping and positioning effects are improved. The casing of reciprocating cylinder 35 sets up with frame 1 relatively fixed, is equipped with the first panel 36 of fixed mounting reciprocating cylinder 35 in frame 1, and first panel 36 sets up vertically, is equipped with the first guide shaft 361 that runs through first panel 36 perpendicularly on the flat board 34, is equipped with the first linear bearing 362 of cooperation first guide shaft 361 on the first panel 36, strengthens the straightness that the relative first panel 36 of flat board 34 removed. The pressing device 5 comprises a pressing power mechanism 51 fixed on the frame 1, the double acting pressing die 4 is fixed at the lower end of the pressing power mechanism 51, the double acting pressing die 4 is positioned above the mounting plate 22 on the jacking power mechanism 21, and the double acting pressing die 4 is arranged opposite to the two clamping plates 31 on the mounting plate 22. The double acting press die 4 comprises a pre-pressing connecting plate 41 and a press shaft 42 fixed on the pre-pressing connecting plate 41, an inner press die 43 is arranged at the lower end of the press shaft 42, the pre-pressing connecting plate 41 is fixed at the upper end of the press shaft 42 through screws, a horizontally arranged second panel 52 is fixed in the frame 1, and a lower end of a shell of a lower pressing power mechanism 51 is fixed on the second panel 52 through screws. The pre-pressing connecting plate 41 is connected with a piston rod of the downward-pressing power mechanism 51, two parallel second guide shafts 521 are arranged on the upper side of the pre-pressing connecting plate 41, and a second linear bearing 522 matched with the second guide shafts 521 is arranged on the second panel 52, so that the guiding reliability of the up-and-down movement of the pre-pressing connecting plate 41 is realized. The inner die 43 is fixed to the lower end of the pressing shaft 42 by screws. The pressing shaft 42 is further provided with an outer die 44 sleeved outside the inner pressing die 43, the lower end of the outer die 44 is provided with a horn mouth 441 which expands downwards and outwards, the horn mouth 441 is matched with the upper end of the oil bag 7, and the outer die 44 and the pressing shaft 42 are provided with guide pieces in a supporting mode, and the guide pieces are guide sleeves 45. The guide piece and the outer die 44 are fixedly arranged in a bonding mode, and the guide piece and the pressing shaft 42 are arranged in a sliding mode; the guide sleeve 45 is in clearance fit with the pressing shaft 42. The upper end of the outer die 44 is provided with a mounting table 440, the guide sleeve 45 is embedded in the mounting table 440 and the outer die 44, and the outer die 44 is provided with a retaining shoulder matched with the guide sleeve 45. There is a gap between the shoulder and the pressure shaft 42. A return spring 47 is arranged between the outer die 44 and the pre-pressing connecting plate 41. The return spring 47 is a hold-down spring. The lower end of the outer die 44 can extend out of the lower part of the inner pressing die 43, a limiting hole matched with the inner pressing die 43 is formed in the outer die 44, and the bell mouth 441 is located at the lower end of the limiting hole. The upper end and the lower end of the bell mouth 441 are respectively provided with round platforms 442 with the same taper angle, and the round platform 442 at the upper end is positioned in a conical surface formed by extending the round platform 442 at the lower end; a limiting ring surface 443 is arranged between the two circular table surfaces 442, the cross section of the limiting ring surface 443 is in the shape of an upward convex arc, and the limiting ring surface 443 and the two circular table surfaces 442 are in smooth transition. A transition round angle is arranged between the lower end of the bell mouth 441 and the outer die 44.

The lower side of the mounting plate 22 is provided with a support rod 23, the rack 1 is provided with a support block 24 matched with the support rod 23, the rack 1 is provided with a slide rail 26 and a slide block 25 matched with the slide rail 26, the slide block 25 is connected with a driving cylinder 27, and the support block 24 is fixed on the upper side of the slide block 25. The rack 1 is provided with a horizontally arranged third panel 28, the casing of the jacking power mechanism 21 is fixed on the third panel 28, the piston rod of the jacking power mechanism 21 extends upwards out of the third panel 28 and is fixedly connected with the mounting plate 22, the lower side of the mounting plate 22 is further provided with a third guide shaft 281, and the third panel 28 is provided with a third linear bearing 282 matched with the third guide shaft 281, so that reliable guide of the mounting plate 22 is realized. The third panel 28 is further provided with a stopping cylinder 29, the upper end of the stopping cylinder 29 is rotatably provided with a stopper 291, one end of the stopper 291 is provided with a rolling wheel, and the roller cooperates with the edge of the limiting mounting plate 22 when the mounting plate 22 faces downwards to prevent the supporting block 24 and the supporting rod 23 from being excessively pressed to damage the stability of the mounting plate 22 and reduce collision loss. Auxiliary wheels 221 are rotatably arranged at four corners of the mounting plate 22, so that the reliability of the edge of the mounting plate 22 is improved through the auxiliary wheels 221, and the collision loss is further reduced.

When the device is used, the shell is placed on the inner sides of the two clamping plates 31 to be clamped, so that the shell is positioned, and meanwhile, the cylinder clamping jaws 33 are clamped, so that the longitudinal reliable limiting of the shell is realized; the oil sac 7 is pre-arranged at the upper end of the machine barrel 6, the double acting press die 4 and the mounting plate 22 move oppositely under the action of the lower pressing power mechanism 51 and the jacking power mechanism 21, and the press mounting of the oil sac 7 into the machine barrel 6 is realized; the external die 44 presses the oil bag 7 downwards, when the oil bag 7 stops descending, the bell mouth 441 forces the oil bag 7 to gather inwards, so that a part of the upper end of the oil bag 7 leaves the outer wall of the cylinder 6 to be pressed in, the part of the oil bag 7 which cannot descend gathers inside the external die 44, the external die 44 stops descending after being fully contacted with the cylinder 6, and meanwhile, the oil bag 7 also gathers to a proper position; the inner pressing die 43 slides downwards at the moment, the gathered oil sac 7 is smoothly sent into the machine barrel 6, and the oil sac 7 is smoothly pressed in; the return spring 47 is a compression spring, and in a natural state, the outer die 44 is positioned at the lowest position which can be reached on the pressing shaft 42, so that the outer die 44 is ensured to contact the oil bag 7 earlier than the inner pressing die 43, a reliable gathering effect is achieved, and the pressing efficiency of the oil bag 7 is improved.

Claims

1. An oil bag press is characterized by being used for pressing an oil bag in a machine barrel and comprising a rack, wherein a jacking tool, a machine barrel positioning tool, a double-acting pressing die and a pressing device are arranged in the rack;

2. The oil bag press as claimed in claim 1, wherein the lower end of the outer die can extend below the inner die, a limiting hole matched with the inner die is formed in the outer die, and the bell mouth is located at the lower end of the limiting hole.

3. The oil bag press as claimed in claim 1 or 2, wherein the two ends of the bell mouth are round table surfaces with equal cone angles, a limiting ring surface is arranged between the two round table surfaces, the cross section of the limiting ring surface is in the shape of an upward convex circular arc, and the limiting ring surface and the two round table surfaces are in smooth transition.

4. The oil bladder press as recited in claim 1 wherein a transition radius is provided between the lower end of the flare and the outer die.

5. The oil bag press as claimed in claim 1, wherein the outer die and the pressing shaft support are provided with guide members, the guide members are fixedly arranged with the outer die, and the guide members are slidably arranged with the pressing shaft.

6. The oil bag press as claimed in claim 1, wherein the same end of the two clamping plates is rotatably connected to the mounting plate, the axis of rotation of the two clamping plates is perpendicular to the mounting plate, and the other ends of the two clamping plates are rotatably connected to a piston rod of a clamping cylinder through a connecting rod, respectively.

7. The oil bag press as claimed in claim 6, wherein the cross-sectional shape of the two clamping plates is a circular arc protruding outward of the two clamping plates.

8. The oil bag press as claimed in claim 1, wherein the mounting plate has a support bar at a lower side thereof, the frame has a support block fitted to the support bar, the frame has a slide rail and a slide block fitted to the slide rail, the slide block is connected to a driving cylinder, and the support block is fixed to an upper side of the slide block.

9. The oil bladder press as defined in claim 1, wherein said cylinder portion of said cylinder gripper is secured to a plate which is connected to a reciprocating cylinder.