Cold rolling die for elliptical tube

Abstract

The utility model discloses an elliptical tube cold rolling die, which belongs to the technical field of elliptical tube forming and comprises a bottom plate, a side plate is fixed at the top end of the bottom plate, two sections of sliding groove openings and a first groove are arranged on one side of the side plate, and a first motor is further mounted at one end of the side plate. Two first screws are arranged on the outer side of the die holder, two mounting blocks are fixed to the side face of one end of each first screw, the other end of each first screw is connected with a locking nut, the mounting blocks are connected with the die holder through screws, the output end of the first motor is connected with a second screw, and the side face of the second screw is connected with a moving seat. A clamping assembly is arranged on the side face of the movable base. According to the cold rolling die, the first motor drives the second screw rod to rotate so as to drive the oval pipe to be fed, then the driving assembly drives the two die bases to move inwards for forming, the whole forming process is high in automation degree, and the cold rolling die is convenient for enterprises to popularize and use.

Description

TECHNICAL FIELD

[0001] The utility model relates to an oval tube. Technical field relates to an oval tube cold rolling die. BACKGROUND

[0002] Mold, industrial production is used to injection, blow molding, extrusion, die casting or forging pressure forming, smelting, stamping and other methods to get the desired products of various molds and tools. In short, the mold is used to make the tooling of the formed object, the tool is composed of various parts, different molds are composed of different parts, which mainly realizes the processing of the shape of the object by changing the physical state of the formed material, and the oval tube is often used in cold rolling die when forming.

[0003] At present, the oval tube cold rolling die is manually fed, which is low in efficiency and difficult to meet the high efficiency processing requirements of enterprises, so it is urgent to design a new type of oval tube cold rolling die to solve the above problems. UTILITY MODEL CONTENT

[0004] The utility model aims at providing an oval tube cold rolling die to solve the problem that the oval tube cold rolling die is manually fed, which is low in efficiency and difficult to meet the high efficiency processing requirements of enterprises.

[0005] To solve the above technical problems, the utility model provides an oval tube cold rolling die, which comprises a bottom plate, the top end of the bottom plate is fixed with a side plate, the side plate is provided with two sliding groove openings and a first groove on one side, and a first motor is further installed at one end of the side plate, the first sliding rod is slidably connected in the two sliding groove openings, the first end of the two first sliding rods is fixed with a bearing plate, and the other end is fixed with a driving assembly, the inner side of the two bearing plates is provided with a die seat, the outer side of the two die seats is provided with two first screws, the side surface of the one end of the first screw is fixed with two mounting blocks, the other end penetrates through the bearing plate and is screw connected with a locking nut, and the mounting block and the die seat are connected through screws.

[0006] The output end of the first motor extends into the first groove and is connected with a second screw, the side surface of the second screw is screw connected with a moving seat, and the side surface of the moving seat is provided with a clamping assembly.

[0007] Optionally, the other side of the side plate is provided with a second groove, the driving assembly comprises a second motor and two oppositely located L-shaped rods, the second motor is fixed in the second groove and its output end is connected with a gear between the two L-shaped rods, the other end of the two L-shaped rods is fixedly connected with the two first sliding rods respectively, and a plurality of racks meshing with the L-shaped rods are fixed on the side close to the gear.

[0008] Optionally, the clamping assembly comprises a support plate, the support plate is fixedly connected with the moving seat through two first straight rods, a double-head motor is installed on the front end surface of the support plate, two straight notches are formed in the front end surface of the support plate, and a second sliding rod is slidably connected in each of the two straight notches; one end of the second sliding rod close to the moving seat is fixedly connected with a clamping plate, and the other end of the second sliding rod is fixedly connected with a moving block.

[0009] The double-head motor is connected with a third screw rod at each output end, and the two third screw rods are threadedly connected with the two moving blocks, respectively.

[0010] Optionally, a connecting plate is fixedly connected to the side end surface of the support plate through a second straight rod, a pneumatic cylinder is installed on the side surface of the connecting plate, a piston rod of the pneumatic cylinder penetrates through the connecting plate and is connected with a push plate.

[0011] Optionally, a limiting block is fixedly connected to the other end of each of the two third screw rods.

[0012] Optionally, a V-shaped groove is formed in the inner side of each of the two clamping plates.

[0013] Optionally, a bearing is fixedly connected to the side wall of the first recess, and the bearing is connected with the other end of the second screw rod.

[0014] Optionally, two guide rods are fixedly connected in the first recess, and the two guide rods are slidably connected with the moving seat.

[0015] In the oval tube cold rolling die provided by the utility model, the bottom plate top end is fixedly connected with a side plate, two sections of chute notches are formed in one side of the side plate and a first recess, a first motor is further installed at one end of the side plate, a first sliding rod is slidably connected in each of the two sections of chute notches, a bearing plate is fixedly connected with one end of each of the two first sliding rods, a driving assembly is fixedly connected with the other end of each of the two first sliding rods, a die seat is arranged in the inner side of each of the two bearing plates, two first screw rods are arranged on the outer side of each of the two die seats, two mounting blocks are fixedly connected with one end side surface of each of the first screw rods, the other end of each of the first screw rods penetrates through the bearing plate and is threadedly connected with a locking nut, the mounting block is connected with the die seat through a screw, the output end of the first motor extends into the first recess and is connected with a second screw rod, the side surface of the second screw rod is threadedly connected with a moving seat, and a clamping assembly is arranged on the side surface of the moving seat; the cold rolling die is used, the two die seats are driven by the driving assembly to move inward to be formed, the second screw rod is driven to rotate by the first motor to drive the oval tube to be fed, the whole forming process has high automation degree, manpower is saved, and the enterprise is facilitated to use and popularize. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 is a structure schematic view of the oval tube cold rolling die provided by the utility model;

[0017] Figure 2 is Figure 1 is an enlarged view of B in the figure;

[0018] Figure 3 is the top view of the elliptical pipe cold rolling die provided by the utility model;

[0019] Figure 4 is Figure 3 the middle A-A section view;

[0020] Figure 5 is the rear view of the elliptical pipe cold rolling die provided by the utility model. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be apparently and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all the other embodiments obtained by the ordinary skilled in the art without creative work belong to the scope of protection of the utility model.

[0022] It should be noted that when a component is referred to as being "fixed" to another component, it can be directly on the other component or there can be intervening components. When a component is referred to as being "connected" to another component, it can be directly connected to the other component or there can be intervening components. When a component is referred to as being "disposed" on another component, it can be directly disposed on the other component or there can be intervening components. The terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0023] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. As used herein, the term "and / or" includes any and all combinations of one or more of the associated listed items.

[0024] The utility model provides an elliptical pipe cold rolling die, its structure is as Figures 1-5As shown, including the bottom plate, its top end fixed with side plate 2, side plate 2 side open with two sections of the chute mouth 3 and the first recess 4 and its one end is also installed with the first motor 5, two sections of the chute mouth 3 all are slidably connected with the first slide bar 10, two first slide bars 10 one end all are fixed with the bearing plate 11, the other end is fixed with the drive assembly 6, two bearing plates 11 inner side all are equipped with the mold base 12, two mold bases 12 outer side all are equipped with two first screw rods 13, first screw rod 13 one end side is fixed with two mounting blocks 15, the other end passes through the bearing plate 11 and is connected with the lock nut 14, mounting block 15 and mold base 12 are connected through screw 16, first motor 5 output end extends to the first recess 4 and is connected with the second screw rod 8, second screw rod 8 side is connected with the moving seat 9, moving seat 9 side is equipped with the clamping assembly 7, two mold bases 12 about the oval tube transmission path opposite two sides are respectively arranged symmetrically. Use oval tube cold rolling die, drive two mold bases 12 to move inwards through drive assembly 6 to form, then drive oval tube to load through first motor 5 drive second screw rod 8 rotation, the whole forming process is high degree of automation, saves manpower, facilitates enterprise to use.

[0025] Specifically, the second recess 23 is opened on the other side of the side plate 2, the drive assembly 6 includes a second motor 61 and two oppositely located L-shaped rods 63, the second motor 61 is fixed in the second recess 23 and its output end is connected with a gear 62 located between the two L-shaped rods 63, the two L-shaped rods 63 are respectively fixedly connected with the other ends of the two first slide bars 10 and have a plurality of toothed racks 64 fixed on the sides close to the gear 62 and engaged with the gear 62, the gear 62 and the plurality of toothed racks 64 are driven to rotate by the output end of the second motor 61, so that the two L-shaped rods 63 drive the bearing plates 11 and the mold bases 12 to move inwardly to form.

[0026] Specifically, the clamping assembly 7 includes a support plate 701, the support plate 701 is fixedly connected with the moving seat 9 through two first straight rods 702, and two straight slots 703 are opened on the front end face of the support plate 701 and a double-head motor 706 is installed, two second slide bars 704 are slidably connected in the two straight slots 703, a clamping plate 705 is fixed on one end of each second slide bar 704 close to the moving seat 9, and a moving block 708 is fixed on the other end of each second slide bar 704, two third screw rods 707 are connected with the two output ends of the double-head motor 706, the two third screw rods 707 are respectively screw-connected with the two moving blocks 708, and two clamping plates 705 are respectively arranged symmetrically on opposite sides of the oval tube transmission path.

[0027] Further, the side end face of the support plate 701 is fixed with a connecting plate 18 through a second straight rod 17, a pneumatic cylinder 19 is installed on the side face of the connecting plate 18, a piston rod of the pneumatic cylinder 19 penetrates through the connecting plate 18 and is connected with a push plate 20, the push plate 20 is located on the same straight line as the axis line of the oval tube, and the oval tube is pushed into the two mold bases 12 by moving the push plate 20 through the piston rod of the pneumatic cylinder 19.

[0028] Further, the other ends of the two third screws 707 are fixed with limit blocks 709, so as to avoid the third screws 707 from being disconnected with the moving blocks 708.

[0029] Further, V-shaped grooves 710 are formed in the inner sides of the two clamping plates 705, so that the clamping effect is better.

[0030] Further, bearings 22 are fixed on the side walls of the first recess 4, and the bearings 22 are connected with the other ends of the second screws 8, so as to support the rotation of the second screws 8.

[0031] Further, two guide rods 21 are fixed in the first recess 4, and the two guide rods 21 are slidably connected with the moving seat 9, so that the moving seat 9 will not be deviated or rotated during the movement.

[0032] The working principle of the utility model is as follows: firstly, the oval tube is penetrated through the two clamping plates 705 and abuts against the push plate 20, then the double-head motor 706 drives the two output ends to rotate the third screws 707, so that the two clamping plates 705 are moved inward to clamp the oval tube, then the first motor 5 is started, the output end drives the first screw 13 to rotate, so that the moving seat 9 drives the oval tube to move to between the two mold bases 12, at this time, the air cylinder 19 is started, the piston rod drives the push plate 20 to move, and the oval tube is pushed into the two mold bases 12, finally, the second motor 61 is started, the output end drives the gear 62 to mesh with the plurality of racks 64 to rotate, so that the two L-shaped rods 63 drive the bearing plates 11 and the mold bases 12 to move inward to be formed.

[0033] The above description is only the description of the preferred embodiment of the utility model, and does not limit the scope of the utility model, and any change and modification of the above description made by the ordinary skilled in the art of the utility model belongs to the protection scope of the claims.

Claims

1. An elliptical tube cold rolling die comprising a base plate (1), characterized in that, The bottom plate (1) top fixed with side plate (2), the side plate (2) one side is provided with two sections of chute mouth (3) and first recess (4) and its one end is also provided with first motor (5), two sections of the chute mouth (3) are all slidingly connected with first slide rod (10), two first slide rods (10) one end are all fixed with bearing plate (11), the other end is fixed with drive assembly (6), two bearing plates (11) inside are all equipped with die holder (12), two die holders (12) outside are all equipped with two first screw rods (13), one end side of first screw rod (13) is fixed with two mounting blocks (15), the other end passes through bearing plate (11) and is connected with lock nut (14) in the form of screw thread, mounting block (15) and die holder (12) are connected by screw (16); The first motor (5) output end extends to the first recess (4) and is connected with second screw rod (8), the second screw rod (8) side surface is connected with moving seat (9) in the form of screw thread, the moving seat (9) side surface is equipped with clamping assembly (7).

2. The cold rolling die for an elliptical pipe according to claim 1, wherein The other side of the side plate (2) is provided with a second recess (23), the drive assembly (6) includes a second motor (61) and two oppositely located L-shaped rods (63), the second motor (61) is fixed in the second recess (23) and its output end is connected with a gear (62) located between the two L-shaped rods (63), the two L-shaped rods (63) are respectively fixedly connected with the other ends of the two first slide rods (10), and a plurality of racks (64) engaged with the L-shaped rods (63) are fixed on the sides of the L-shaped rods (63) close to the gear (62).

3. The cold rolling die for an elliptical pipe according to claim 1, wherein The clamping assembly (7) includes a support plate (701), the support plate (701) is fixedly connected with the moving seat (9) through two first straight rods (702), and two straight slots (703) are formed in the front end face of the support plate (701) and a double-head motor (706) is mounted in the straight slots (703), second slide rods (704) are slidingly connected in the two straight slots (703), and clamping plates (705) are fixed on one ends of the second slide rods (704) close to the moving seat (9), and moving blocks (708) are fixed on the other ends of the second slide rods (704). The two output ends of the double-head motor (706) are connected with third screw rods (707), and the two third screw rods (707) are respectively connected with the two moving blocks (708) in the form of screw thread.

4. The cold rolling die for an elliptical pipe according to claim 3, wherein The side end face of the support plate (701) is fixed with a connecting plate (18) through a second straight rod (17), and a pneumatic cylinder (19) is mounted on the side face of the connecting plate (18), and a push plate (20) is connected to the piston rod of the pneumatic cylinder (19) and passes through the connecting plate (18).

5. The cold rolling die for an elliptical pipe according to claim 3, wherein The other ends of the two third screw rods (707) are fixed with limit blocks (709).

6. The cold rolling die for an elliptical pipe according to claim 3, wherein V-shaped grooves (710) are formed in the inner sides of the two clamping plates (705).

7. The cold rolling die for an elliptical pipe according to claim 1, wherein The side wall of the first recess (4) is fixed with a bearing (22), and the other end of the second screw rod (8) is connected with the bearing (22).

8. The cold roll die for an elliptical tube as set forth in claim 1, wherein Two guide rods (21) are fixed in the first recess (4), and the two guide rods (21) are slidingly connected with the moving seat (9).

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