CN217964108U

CN217964108U - Cold pilger mill feeding trolley

Info

Publication number: CN217964108U
Application number: CN202222315138.3U
Authority: CN
Inventors: 马彪; 陈洁; 王军; 漆启海; 黄效
Original assignee: Zhejiang Xintuo Heavy Industry Manufacturing Co ltd
Current assignee: Zhejiang Xintuo Heavy Industry Manufacturing Co ltd
Priority date: 2022-08-30
Filing date: 2022-08-30
Publication date: 2022-12-06
Anticipated expiration: 2032-08-30

Abstract

The utility model relates to a cold pilger mill feeds in dolly, connect the preceding sliding seat on the connecting seat including the connecting seat, mount pad and back sliding seat, fixedly connected with oil cylinder sleeve on the front side of mount pad, oil cylinder sleeve endotheca is equipped with the piston bush, be equipped with the oil pocket between oil cylinder sleeve and the piston bush, be equipped with the piston ring on the lateral wall of piston bush, set up the first hydraulic fluid port and the second hydraulic fluid port that leads to of both sides around letting in the oil pocket on the oil cylinder bush, the front end of piston bush penetrates oil cylinder sleeve and fixedly connected with installation cover, the installation cover internal rotation is connected with embraces a section of thick bamboo, be equipped with the clamp cover subassembly in embracing a section of thick bamboo, the piston bush endotheca is equipped with hollow shaft, the rear side of hollow shaft penetrates piston bush and rotates to be connected on mount pad and back sliding seat, the front side of hollow shaft is stretched into in embracing a section of thick bamboo, the rear end that the clamp cover subassembly was contradicted on the hollow shaft, set fixedly connected with spacing sleeve on the front side of preceding sliding seat, the front end of clamp cover subassembly is contradicted on spacing sleeve, the structure is stable, the centre gripping is firm and occupation space is little.

Description

Cold pilger mill feeding trolley

Technical Field

The utility model relates to a cold pilger mill technical field, especially a cold pilger mill feeding trolley.

Background

The cold pilger mill is a process device for cold rolling a pierced billet by using an annular hole shape. The machine has better cogging performance, also can roll the non ferrous metal seamless pipe of ordinary precision, and cold pilger mill generally including: the device comprises a lathe bed, a rotary feeding mechanism, a rack, a main motor, a mandrel, a transmission system, an electrical system, a feeding trolley and the like, wherein the feeding trolley is also called a chuck or a feeding chuck, and the feeding trolley has the main function of fixing a pierced billet and then feeding the pierced billet into a cold rolling mill for cold rolling.

As in application No.: CN201020109200.8 shows a pipe blank feeding trolley on cold pilger mill, it is through being provided with the hydro-cylinder on the frame, promotes the pull rod through the hydro-cylinder to through embracing a section of thick bamboo and making the jack catch move to the axle center, press from both sides the tight pipe, this structure is because of needing external hydro-cylinder, thereby just leads to the whole occupation space grow that feeds into the dolly.

SUMMERY OF THE UTILITY MODEL

The utility model provides a dolly is sent in to stable in structure, firm and the little cold pilger mill in occupation space of centre gripping has solved the above-mentioned problem that exists in the use among the prior art.

The technical scheme of the utility model is realized like this: the utility model provides a cold pilger mill send into dolly, is including the connecting seat and connect gradually preceding sliding seat, mount pad and the back sliding seat on the connecting seat from the front to the back, fixedly connected with oil cylinder cover on the front side of mount pad, the oil cylinder cover endotheca is equipped with the piston bush, be equipped with the oil pocket between oil cylinder cover and the piston bush, be equipped with the piston ring that the cooperation set up in the oil pocket on the lateral wall of piston bush, first logical hydraulic fluid port and second hydraulic fluid port have been seted up on the oil cylinder cover, first logical hydraulic fluid port and second hydraulic fluid port let in on the front and back both sides of oil pocket respectively, the front end of piston bush penetrates oil cylinder cover and fixedly connected with mounting sleeve, the mounting sleeve internal rotation is connected with embraces a section of thick bamboo, it is equipped with the cover subassembly to embrace a section of thick bamboo, the piston bush endotheca is equipped with the hollow shaft, the rear side of hollow shaft penetrates piston bush and rotates to be connected on mount pad and back sliding seat, the front side of hollow shaft extends into in embracing the section of thick bamboo, the rear end of cover subassembly is on the hollow shaft, set up the conflict that supplies to press from the cover subassembly, the spacing opening that the front side of preceding sliding seat, spacing sleeve is spacing sleeve on the spacing sleeve.

Preferably, the jacket assembly comprises at least two clamping flaps which are annularly enclosed into a circle, each clamping flap is provided with an elastic opening mechanism between adjacent surfaces, the outer side wall of each clamping flap comprises a clamping flap inclined surface which is inclined from back to front and outwards, and the inner side wall of the holding cylinder comprises a holding cylinder inclined surface which is attached to the clamping flap inclined surface.

Preferably, the elastic opening mechanism comprises a spring, a plurality of spring grooves are formed in the adjacent surfaces of the clamping flaps, and the spring is matched with the spring grooves.

Preferably, the outer side wall of the clamping flap is provided with a mounting groove concentric with the outer side wall of the clamping flap, and the mounting groove is provided with an elastic ring in a matching manner.

Preferably, the outer side wall of the front end of the hollow shaft is provided with a plurality of sliding clamping grooves arranged along the length direction of the hollow shaft, the inner side wall of the holding cylinder is provided with a limiting groove corresponding to the sliding clamping grooves, and a limiting clamping block is arranged between the sliding clamping grooves and the limiting groove.

Preferably, a transmission sleeve is rotatably connected between the mounting seat and the rear movable seat, a driving gear is fixedly connected onto the transmission sleeve, a driven gear is fixedly connected between the mounting seat and the rear movable seat on the hollow shaft, the driven gear is meshed with the driving gear, a hexagonal hole is formed in the transmission sleeve, and a hexagonal prism-shaped transmission shaft is matched with the hexagonal hole in a sliding manner.

Preferably, the left side and the right side of the rear movable seat are fixedly connected with lead screw nuts, and lead screws are matched with the lead screw nuts through threads.

To sum up, the beneficial effects of the utility model reside in that:

1. the utility model discloses be equipped with the piston cover at the hydro-cylinder cover endotheca, and the hollow shaft sets up in the piston cover, the pierced billet enters into in the hollow shaft, and pass and press from both sides cover subassembly and spacing sleeve, when pressing from both sides tightly the pierced billet, carry out the oil feed to the oil pocket through first logical hydraulic fluid port, thereby just promote the piston cover forward, the piston cover promotes to embrace a section of thick bamboo and makes forward to press from both sides the cover subassembly and inwards press from both sides tightly the pierced billet, when loosening the pierced billet, carry out the oil feed to the oil pocket through the second hydraulic fluid port, first logical hydraulic fluid port produces oil, thereby just make the piston cover drive to embrace a section of thick bamboo backward, make and press from both sides the cover subassembly and loosen the pierced billet, this structural work is stable, it is stable to the centre gripping of pierced billet, compare in the structure that prior art set up a hydro-cylinder outward, occupation space has been reduced greatly.

2. The clamp sleeve component comprises at least two clamp petals which are annularly enclosed into a circle, the clamp petals and the clamp petals are opened through springs, when the holding cylinder moves forwards, the holding cylinder drives the clamp petals to move inwards to clamp a pierced billet, and when the holding cylinder moves backwards, the springs continue to open the clamp petals and the clamp petals, so that the pierced billet is loosened, the structure is simple and reliable, and the clamping effect is good.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive exercise.

FIG. 1 is a schematic structural view of the present invention with the transmission shaft and the lead screw removed;

FIG. 2 is a top view of FIG. 1;

FIG. 3 isbase:Sub>A schematic sectional view taken along the line A-A in FIG. 2;

FIG. 4 is a schematic structural view of the middle clamping flap of the present invention;

FIG. 5 is a schematic structural view of three clamping flaps of the present invention;

fig. 6 is an exploded view of the hollow spindle and the limiting fixture block of the present invention;

FIG. 7 is a schematic structural view of a middle holding cylinder of the present invention;

fig. 8 is a schematic view of the overall structure of the present invention;

fig. 9 is a schematic structural view of the present invention assembled on the feeding bed.

In the figure: 1. a connecting seat; 2. a front movable seat; 3. a mounting base; 4. a rear movable seat; 5. an oil cylinder sleeve; 6. a piston sleeve; 7. an oil chamber; 8. a piston ring; 9. a first oil through hole; 10. a second oil through opening; 11. installing a sleeve; 12. embracing the cylinder; 13. a hollow shaft; 14. a port; 15. a limiting sleeve; 16. clamping the valve; 17. a petal clamping inclined plane; 18. an inclined surface of the holding cylinder; 19. a spring; 20. a spring slot; 21. mounting grooves; 22. an elastic ring; 23. a sliding clamping groove; 24. a limiting groove; 25. a limiting clamping block; 26. a transmission sleeve; 27. a drive gear; 28. a driven gear; 29. hexagonal holes; 30. a drive shaft; 31. a feed screw nut; 32. a screw rod; 33. and feeding the bed body.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to fig. 1 to 9 of 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 of the present invention, all other embodiments obtained by a person skilled in the art without making creative efforts belong to the protection scope of the present invention.

Example (b):

as shown in fig. 1 to 8, the utility model discloses a cold pilger mill feeding trolley, which comprises a connecting seat 1, a front movable seat 2, a mounting seat 3 and a rear movable seat 4 which are sequentially connected with the connecting seat 1 from front to back, an oil cylinder sleeve 5 is fixedly connected with the front side of the mounting seat 3, a piston sleeve 6 is sleeved in the oil cylinder sleeve 5 in a matching way, an oil cavity 7 is arranged between the oil cylinder sleeve 5 and the piston sleeve 6, a piston ring 8 which is arranged in the oil cavity 7 in a matching way is arranged on the outer side wall of the piston sleeve 6, a first oil through hole 9 and a second oil through hole 10 are arranged on the oil cylinder sleeve 5, the first oil through hole 9 and the second oil through hole 10 are respectively communicated with the front side and the rear side of the oil cavity 7, when the first oil through hole 9 is filled with oil, the second oil through hole 10 is filled with oil, when the first oil through hole 9 is filled with oil, the piston ring 8 can be pushed backwards, wherein, the front end of the piston sleeve 6 penetrates out of the oil cylinder sleeve 5 and is fixedly connected with a mounting sleeve 11, the mounting sleeve 11 is rotatably connected with a holding cylinder 12, a jacket assembly is arranged in the holding cylinder 12, in addition, a hollow shaft 13 is sleeved in the piston sleeve 6, the interior of the hollow shaft 13 is used for allowing a waste pipe to enter, the rear side of the hollow shaft 13 penetrates out of the piston sleeve 6 and is rotatably connected with the mounting seat 3 and the rear movable seat 4, the front side of the hollow shaft 13 extends into the holding cylinder 12, the rear end of the jacket assembly props against the hollow shaft 13, a through hole 14 for the front end of the jacket assembly to pass through is formed in the front movable seat 2, a limiting sleeve 15 is fixedly connected on the front side of the front movable seat 2, the front end of the jacket assembly props against the limiting sleeve 15, the jacket assembly is limited between the hollow shaft 13 and the limiting sleeve 15 and cannot move back and forth, and back, and forth can only move towards the axis direction, when needs press from both sides tightly the pierced billet, carry out the oil feed through first logical hydraulic fluid port 9 to oil pocket 7 to just promote piston sleeve 6 forward, piston sleeve 6 promotes to embrace a section of thick bamboo 12 and makes forward to press from both sides the cover subassembly and inwards press from both sides tightly the pierced billet, when loosening the pierced billet, carry out the oil feed through second hydraulic fluid port 10 to oil pocket 7, first logical hydraulic fluid port 9 oil outlet, thereby just make piston sleeve 6 drive and embrace a section of thick bamboo 12 backward, make to press from both sides the cover subassembly and loosen the pierced billet.

Specifically, the jacket assembly includes three clamping flaps 16 annularly enclosing into a circle, the cross section of each clamping flap 16 is arc-shaped, each clamping flap 16 is provided with an elastic spreading mechanism between adjacent surfaces, each clamping flap 16 is expanded by the elastic spreading mechanism, as shown in fig. 5, the outer side wall of each clamping flap 16 includes a clamping flap inclined surface 17 inclined from back to front and outwards, the inner side wall of the holding cylinder 12 includes a holding cylinder inclined surface 18 for being attached to the clamping flap inclined surface 17, when the holding cylinder 12 moves forwards, the holding cylinder 12 drives the clamping flaps 16 to move inwards to clamp the pierced billet by displacement of the holding cylinder inclined surface 18 and the clamping flap inclined surface 17, when the holding cylinder 12 moves backwards, the elastic spreading mechanism continues to spread the clamping flaps 16 from other clamping flaps 16, further, the elastic spreading mechanism includes a plurality of springs 19, each clamping flap 16 is provided with four spring grooves 20 on the adjacent surfaces, and the springs 19 are fitted on the spring grooves 20, that is to say, four spring grooves 19 are provided between the adjacent clamping flaps 16, and each clamping flap 16 can be more easily spread each clamping flap 16.

In addition, in order to ensure the structural stability of each clip 16, an installation groove 21 concentric with the clip 16 is formed on the outer side wall of the clip 16, an elastic ring 22 is arranged on the installation groove 21 in a matching way, and the elastic ring 22 keeps each clip 16 concentric.

The utility model discloses in, set up the draw-in groove 23 that slides that a plurality of set up along its length direction on the front end lateral wall of hollow shaft 13, and offer on the inside wall of embracing a section of thick bamboo 12 and slide the corresponding spacing groove 24 of draw-in groove 23, be equipped with spacing fixture block 25 between slide draw-in groove 23 and spacing groove 24, this structure can guarantee that hollow shaft 13 can drive when rotating and embrace a section of thick bamboo 12 and also rotate.

The utility model discloses in, it is connected with transmission cover 26 to rotate between mount pad 3 and the back sliding seat 4, fixedly connected with drive gear 27 on transmission cover 26, and hollow shaft 13 fixedly connected with driven gear 28 between mount pad 3 and back sliding seat 4, driven gear 28 meshes with drive gear 27 mutually, six arris holes 29 have been seted up on the transmission cover 26, the cooperation has six prismatic transmission shafts 30 on six arris holes 29, press from both sides the tight pierced billet of cover subassembly clamp, when needing to rotate the pierced billet, the cold piler passes through transmission shaft 30 and drives drive gear 27 and rotate, thereby drive hollow shaft 13 through driven gear 28 and rotate, hollow shaft 13 drives again and embraces a section of thick bamboo 12 and press from both sides the cover subassembly and rotate together, thereby just make the pierced billet rotate.

Equal fixedly connected with screw-nut 31 on the left and right sides of back sliding seat 4 in addition, screw-thread fit has lead screw 32 on screw-nut 31, when needing to feed in the pierced billet, loopback and advance the revolving gear and drive lead screw 32 and rotate, lead screw 32 drives this use through screw-nut 31 and is novel to remove, specifically is to remove on the lathe bed 33 of advancing of cold pilger mill, the utility model discloses the structure that is located on the lathe bed 33 of advancing is shown in fig. 9.

The utility model that should point out simultaneously indicates the terminology, like: the directional or positional relationships indicated as "front", "rear", "vertical", "horizontal", etc. are based on the directional or positional relationships shown in the drawings, and are only for convenience of description and to simplify the description, but are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore should not be construed as limiting the scope of the invention.

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. The utility model provides a cold pilger mill feeds in dolly which characterized in that: including the connecting seat and from preceding sliding seat, mount pad and the back sliding seat that connect gradually on the connecting seat backward from the front, fixedly connected with cylinder jacket on the front side of mount pad, the cylinder jacket is equipped with the piston bush, be equipped with the oil pocket between cylinder jacket and the piston bush, be equipped with the cooperation on the lateral wall of piston bush and set up the piston ring in the oil pocket, first logical hydraulic fluid port and second hydraulic fluid port have been seted up on the cylinder jacket, first logical hydraulic fluid port and second hydraulic fluid port let in respectively on the front and back both sides of oil pocket, the front end of piston bush passes through oil cylinder liner and fixedly connected with mounting sleeve, the mounting sleeve internal rotation is connected with embraces a section of thick bamboo, be equipped with in embracing the section of thick bamboo and press from both sides the cover subassembly, the piston bush endotheca is equipped with the hollow shaft, the rear side of hollow shaft passes through the piston bush and rotates to be connected on mount pad and back sliding seat, the front side of hollow shaft extends into embracing in the section of thick bamboo, the rear end of cover subassembly is contradicted on the hollow shaft, offer the front opening that supplies to press from both sides the cover subassembly front on the sliding seat, fixedly connected with spacing sleeve on the front side of sliding seat, the spacing sleeve, the opening that the spacing sleeve passes through.

2. The cold pilger mill feeding trolley of claim 1, wherein: the clamping sleeve assembly comprises at least two clamping flaps which are annularly enclosed to form a circle, each clamping flap is provided with an elastic opening mechanism between adjacent surfaces, the outer side wall of each clamping flap comprises a clamping flap inclined surface which is inclined outwards from back to front, and the inner side wall of the holding cylinder comprises a holding cylinder inclined surface which is attached to the clamping flap inclined surface.

3. The cold pilger mill feed carriage of claim 2, wherein: the elastic opening mechanism comprises springs, a plurality of spring grooves are formed in the adjacent surfaces of the clamping flaps, and the springs are matched with the spring grooves.

4. The cold pilger mill feed carriage of claim 2, wherein: the outer side wall of the clamping flap is provided with a mounting groove concentric with the outer side wall of the clamping flap, and an elastic ring is arranged on the mounting groove in a matched mode.

5. The cold pilger mill feeding trolley of claim 1, wherein: the outer side wall of the front end of the hollow shaft is provided with a plurality of sliding clamping grooves arranged along the length direction of the hollow shaft, the inner side wall of the holding cylinder is provided with a limiting groove corresponding to the sliding clamping grooves, and a limiting clamping block is arranged between the sliding clamping grooves and the limiting groove.

6. The cold pilger mill feeding trolley of claim 1, wherein: the improved transmission device is characterized in that a transmission sleeve is rotatably connected between the mounting seat and the rear movable seat, a driving gear is fixedly connected onto the transmission sleeve, a driven gear is fixedly connected between the mounting seat and the rear movable seat and is meshed with the driving gear, a hexagonal hole is formed in the transmission sleeve, and a transmission shaft in a hexagonal prism shape is matched with the hexagonal hole in a sliding manner.

7. The cold pilger mill feeding trolley of claim 1, wherein: and the left side and the right side of the rear movable seat are fixedly connected with lead screw nuts, and lead screws are matched on the lead screw nuts in a threaded manner.