CN212598494U

CN212598494U - Screw bending machine

Info

Publication number: CN212598494U
Application number: CN202020727216.9U
Authority: CN
Inventors: 王成兵; 宋世伟
Original assignee: Aozhan Industrial Co ltd
Current assignee: Aozhan Industry Co.,Ltd.
Priority date: 2020-05-06
Filing date: 2020-05-06
Publication date: 2021-02-26
Anticipated expiration: 2030-05-06

Abstract

The utility model discloses a screw bending machine, which is used for bending a long screw and is characterized by comprising a linear movable die and a bending movable die, wherein the linear movable die is provided with a linear groove, the bending movable die is provided with a bending groove matched with the bending specification of the long screw, the linear groove is opposite to the bending groove, the bending movable die is rotationally arranged around the circle center of the bending groove, and the linear movable die is provided with two groups of linear driving mechanisms with crossed driving directions; when the long screw is bent, the linear movable die is tangent to the bending movable die; one end of the bending movable die is provided with a limiting block, and a limiting groove matched with the bending groove is formed in the limiting block. The utility model discloses a benefit is that the one end cooperation through spacing groove and crooked movable mould forms the just spacing to the long screw rod, and crooked movable mould rotates, and straight line movable mould rectilinear movement to guarantee that straight line movable mould is tangent all the time with crooked movable mould, when preventing crooked long screw rod, long screw rod and straight line movable mould or crooked movable mould take place relative slip, guarantee that the power that the long screw rod received is the normal pressure, improve the crooked reliability and the quality of long screw rod.

Description

Screw bending machine

Technical Field

The utility model belongs to the technical field of the screw rod is made, specifically a screw rod crib crimper.

Background

The bolt is very commonly used as a connecting part, the existing bolt is generally a standard part, however, in many occasions, in order to match with the outer diameter of a connecting workpiece, the screw rod has many nonstandard designs, the bending screw rod is one of the non-standard designs, the existing bending screw rod adopts the traditional gas cutting heating hammer to be in a bent shape, the manufacturing period is long, and the working strength is high. In order to improve the efficiency of bending the screw, studies have been made.

For example, chinese patent document CN 202984434U discloses in 2013, 6/12 a utility model of "screw bending die", this application discloses a screw bending die includes matched upper die and lower die, is equipped with the fixing base on the lower die, can be with lower die monolithic mounting on the punching machine, connect the tray on the fixing base, be equipped with the camber groove on the tray, fold through upper and lower die and accomplish the screw bending to the butt pressure, its existence following weak point: when the screw rods are bent by the upper die and the lower die, uniform bending force cannot be generated on the screw rods, the initial shapes of the screw rods are linear, the corresponding bending shapes are arranged in the upper die and the lower die, pressure can be generated on the screw rods at the inflection points of the bending shapes, the screw rods can move relatively in the upper die and the lower die due to the change of the shapes in the final stage of the folding step, and the reliability of the bending screw rods is poor.

Disclosure of Invention

Based on the problem, the utility model provides a screw rod crib crimper for the even atress in each position of long screw rod can be guaranteed in the acquisition of crooked screw rod, improves the crooked reliability and the quality of long screw rod.

In order to realize the utility model purpose, the utility model adopts the following technical scheme:

a screw bending machine is used for bending a long screw and is characterized by comprising a linear movable die and a bending movable die, wherein the linear movable die is provided with a linear groove, the bending movable die is provided with a bending groove matched with the bending specification of the long screw, the linear groove is opposite to the bending groove, the bending movable die is arranged around the circle center of the bending groove in a rotating mode, and the linear movable die is provided with two groups of linear driving mechanisms with crossed driving directions; when the long screw is bent, the linear movable die is tangent to the bending movable die; one end of the bending movable die is provided with a limiting block, and a limiting groove matched with the bending groove is formed in the limiting block.

The one end through spacing groove and crooked movable mould cooperates and forms the first spacing to the long screw rod, and crooked movable mould rotates, and linear movable mould rectilinear movement to guarantee that linear movable mould and crooked movable mould are tangent all the time, when preventing crooked long screw rod, long screw rod and linear movable mould or crooked movable mould take place the relative slip, guarantee that the power that the long screw rod received is the normal pressure, improve the crooked reliability and the quality of long screw rod.

Preferably, the device further comprises a detection die, and a detection groove matched with the bending specification of the long screw is arranged in the detection die.

The detection of the bending roundness of the screw rod is completed through the detection groove, the bent screw rod with shared specification is ensured to be obtained, and the relative position of the limiting block and the bending movable die is conveniently adjusted at any time.

Preferably, the two sets of linear driving mechanisms include a first linear driving mechanism moving in a parallel linear movable mode and a second linear driving mechanism moving in a perpendicular linear movable mode.

The linear moving die can move in the plane, and the linear moving die and the bending moving die can synchronously move in a tangent mode when the screw rod is bent.

Preferably, the first linear driving mechanism comprises a first limiting track of the limiting linear moving die, a first driving element for driving the limiting linear moving die is arranged in the first limiting track, a second limiting slide block is arranged on the lower side of the first limiting track, the second limiting slide block is matched with a second limiting track vertical to the first limiting track, and the first limiting track is provided with a second driving element; the upper side of the first limiting track is provided with a pressing block.

The upper side and the lower side of the first limiting guide rail are limited through the pressing block, the precision of the linear moving die in the vertical direction is guaranteed, and the reliability of the operation of the bending screw is improved.

Preferably, the linear driving mechanism is arranged on a working platform, the bending movable die is fixedly connected with a rotating shaft, the rotating shaft is driven by a motor, an installation part for installing the rotating shaft is fixedly arranged on the side surface of the working platform, an installation plate is arranged on the side surface of the installation part, one end of the bending movable die is fixed on the installation plate, the limiting block is also fixed on the upper side of the installation plate, and the limiting groove is opposite to the bending groove. The outer end of the bending movable die is prevented from being suspended, bending force on the rotating shaft is avoided, and the structural reliability of the bending movable die is improved.

Preferably, the limiting block is fixed on a sliding rail in a sliding mode, the limiting block is connected with a pushing element, an adjusting screw rod is arranged at the rear end of the limiting block, a fixed sliding groove is formed in the limiting block, and a bolt fixed with the mounting plate is arranged in the fixed sliding groove. Conveniently accomplish the position control of stopper and the reliable spacing of stopper, when the bending screw, the stopper can receive from the outside thrust in crooked groove, and can prevent through adjusting screw that the stopper from retreating, guarantees the curved bar quality.

Preferably, the lower end of the mounting portion is provided with a rotary bearing, and the lower end of the mounting plate is fixed to the rotary bearing.

The connection reliability of the mounting plate and the mounting part is improved, and one end of the mounting plate is prevented from being suspended, so that the stability of the mounting plate structure is improved.

To sum up, the beneficial effects of the utility model are that: the limit groove is matched with one end of the bending movable die to form initial limit on the long screw, the bending movable die rotates, and the linear movable die moves linearly, so that the linear movable die and the bending movable die are ensured to be tangent all the time, the long screw is prevented from sliding relative to the linear movable die or the bending movable die when being bent, the force borne by the long screw is ensured to be positive pressure, and the reliability and the quality of bending the long screw are improved; the equipment operation is stable, and it is convenient to adjust, and it is efficient to buckle.

Drawings

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

Fig. 2 is a plan view of the present invention.

Wherein: the mounting part 11 of the working platform 1, the first limit rail 12, the second limit rail 13, the second driving element 14, the pressing block 15, the motor 16, the linear groove 18, the rotating shaft 19, the bending die 2, the bending die 21, the connecting rod 22, the mounting plate 3, the limit groove 31, the fixed sliding groove 32, the sliding rail 33, the pushing element 35, the adjusting screw 36, the fixed block 37, the rotating bearing 38 and the detection die 4 are provided with the detection groove 41.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Example (b):

as shown in fig. 1 to 2, the screw bending machine is used for bending a long screw, and comprises a linear movable die 17 and a bending movable die 2, wherein the linear movable die 17 is provided with a linear groove 18, the bending movable die 2 is provided with a bending groove 21 matched with the bending specification of the long screw, the linear groove 18 is opposite to the bending groove 21, and when the long screw is bent, the linear movable die 17 is tangent to the bending movable die 2; one end of the bending movable die 2 is provided with a limiting block 31, and a limiting groove 32 matched with the bending groove 21 is arranged in the limiting block 31. The linear moving die 17 is provided with two groups of linear driving mechanisms with crossed driving directions; the linear driving mechanism is arranged on a working platform 1, a stand support is arranged below the working platform 1, and the stand support is not shown in the figure. The working platform 1 is also provided with a detection die 4, and a detection groove 41 matched with the bending specification of the long screw is arranged in the detection die 4.

The two groups of linear driving mechanisms comprise a first linear driving mechanism moving parallel to the linear movable mold 17 and a second linear driving mechanism moving perpendicular to the linear movable mold 17. The first linear driving mechanism comprises a first limiting track 12 for limiting the linear moving die 17, a first driving element for driving the linear moving die 17 is arranged in the first limiting track 12, a second limiting slide block is arranged on the lower side of the first limiting track 12, the second limiting slide block is matched with a second limiting track 13 perpendicular to the first limiting track 12, and the first limiting track 12 is provided with a second driving element 14; the first driving element and the second driving element 14 are hydraulic cylinders, and the first driving element is hidden in the first limiting rail 12, it should be noted that the first driving element may also be an air cylinder or a screw slider mechanism driven by the motor 16, and as the air cylinder, the oil cylinder, and the screw slider mechanism driven by the motor 16 are all conventional transmission mechanisms, detailed description thereof is omitted in the embodiments. The upper side of the first limit track 12 is provided with a pressing block 15. The shape of the compact 15 is "L" shaped. The lower end of the pressing block 15 is fixed on the working platform 1. The bending movable die 2 is fixedly connected with a rotating shaft 19, the rotating shaft 19 is driven by a motor 16, the bending movable die 2 is arranged around the center of a bending groove 21 in a rotating mode, the bending movable die 2 is arc-shaped, three connecting rods 22 are evenly arranged in the radial direction of the bending movable die 2 at intervals, and the connecting rods 22 are fixed on the outer side of the rotating shaft 19 through bearings. The size of the outer end of the bending movable die 2 is reduced through the connecting rod 22, the effect of reducing weight is achieved, the rotating shaft can drive the bending movable die 2 to rotate conveniently, and the power required by the electrode is reduced. The cross section of the bending groove 21 is semicircular; the linear movable mold 17 has an elongated block shape, and the linear groove 18 has a semicircular shape complementary to the curved groove 21. The side of the working platform 1 is fixedly provided with an installation part 11 for installing the rotating shaft 19, the side of the installation part 11 is provided with the installation plate 3, one end of the bending movable die 2 is fixed on the installation plate 3, the limiting block 31 is also fixed on the upper side of the installation plate 3, and the limiting groove 32 is opposite to the bending groove 21. The limiting block 31 is fixed on a sliding rail 34 in a sliding mode, the limiting block 31 is connected with a pushing element 35, the pushing element 35 is a hydraulic cylinder, a shell of the hydraulic cylinder is fixed on the mounting plate 3, a piston rod of the hydraulic cylinder is connected with the limiting block 31, and an adjusting screw 36 is arranged at the rear end of the limiting block 31. The mounting plate 3 is provided with a fixing block 37, the fixing block 37 is provided with a thread through hole in thread fit with the adjusting screw 36, and the axial displacement of the adjusting screw 36 can be realized by screwing in or screwing out the thread of the adjusting screw 36. The pushing element 35 conveniently pushes the stopper 31 to move along the slide rail 34, so as to adjust the position of the stopper and complete the position calibration of the stopper 31. The limiting block 31 is provided with a fixed sliding chute 33, and a bolt fixed with the mounting plate 3 is arranged in the fixed sliding chute 33. The slide rails 34 and the pushing members 35 are provided with a rotary bearing 38 at the lower end of the mounting portion 11, and the lower end of the mounting plate 3 is fixed to the rotary bearing 38.

During the use, mounting panel 3 in figure 1 and bending movable mould 2 are whole around rotation axis anticlockwise rotation, and the one end and the work platform 1 of mounting panel 3 are drawn close, and it is spacing to pass the long screw rod that will need to buckle from between bending groove 21 and the spacing groove 32, and for the convenience of location, the one end of bending movable mould 2 relative stopper 31 is equipped with the constant head tank that the size is greater than bending groove 21, the nut part of constant head tank cooperation long screw rod, and the diameter value of spacing groove 32 is between constant head tank and bending groove 21 diameter. Therefore, one end of the long screw rod provided with the nut is matched and positioned with the limiting block 31, one end of the long screw rod provided with the thread extends into the linear groove 18 for limiting, then the linear movable die 17 is moved in the direction vertical to the linear groove through the second driving element 14 until the linear movable die 17 is tangent to the bending movable die 2, and one end of the linear movable die 17 facing the mounting plate 3 is attached to the bending movable die 2; after that, the rotating shaft 19 is driven to rotate only through the motor 16, the bending movable die 2 is driven to rotate clockwise, the first driving element drives the linear movable die 17 to move towards the side of the mounting plate 3 along the linear movable die 17, the arc speed of the edge of the outer end of the bending movable die 2 is controlled to be equal to the linear speed of the linear movable die 17, the bending movable die 2 and the linear movable die 17 are tangent all the time as shown in fig. 2, the linear movable die 17 and the bending movable die 2 are prevented from sliding relative to the long screw rod when the long screw rod is bent, and the bending quality of the.

It will be appreciated by those of ordinary skill in the art that the examples described herein are intended to assist the reader in understanding the manner of practicing the invention, and it is to be understood that the scope of the invention is not limited to such specific statements and examples. Those skilled in the art can make various other specific modifications and combinations based on the teachings of the present invention without departing from the spirit of the invention, and such modifications and combinations are still within the scope of the invention.

Claims

1. A screw bending machine is used for bending a long screw and is characterized by comprising a linear movable die and a bending movable die, wherein the linear movable die is provided with a linear groove, the bending movable die is provided with a bending groove matched with the bending specification of the long screw, the linear groove is opposite to the bending groove, the bending movable die is arranged around the circle center of the bending groove in a rotating mode, and the linear movable die is provided with two groups of linear driving mechanisms with crossed driving directions; when the long screw is bent, the linear movable die is tangent to the bending movable die; one end of the bending movable die is provided with a limiting block, and a limiting groove matched with the bending groove is formed in the limiting block.

2. The screw bending machine according to claim 1, further comprising a detection die, wherein a detection groove matched with the bending specification of the long screw is formed in the detection die.

3. The screw bending machine according to claim 1, wherein the two sets of linear driving mechanisms include a first linear driving mechanism moving in parallel with the linear movable die and a second linear driving mechanism moving in perpendicular with the linear movable die.

4. The screw bending machine according to claim 3, wherein the first linear driving mechanism comprises a first limit rail of the limit linear movable die, a first driving element for driving the linear movable die is arranged in the first limit rail, a second limit slider is arranged on the lower side of the first limit rail, the second limit slider is matched with a second limit rail vertical to the first limit rail, and the first limit rail is provided with the second driving element; the upper side of the first limiting track is provided with a pressing block.

5. A screw bending machine according to claim 1, 3 or 4, wherein the linear driving mechanism is provided on a working platform, the bending die is fixedly connected with a rotating shaft, the rotating shaft is driven by a motor, a mounting portion for mounting the rotating shaft is fixedly provided on a side surface of the working platform, a mounting plate is provided on a side surface of the mounting portion, one end of the bending die is fixed on the mounting plate, the stopper is also fixed on an upper side of the mounting plate, and the stopper groove is opposite to the bending groove.

6. The screw bending machine according to claim 5, wherein the stopper is slidably fixed on a slide rail, the stopper is connected to a pushing element, the rear end of the stopper is provided with the adjusting screw, the stopper is provided with a fixing chute, and the fixing chute is provided with a bolt fixed with the mounting plate.

7. The screw bending machine according to claim 5, wherein the lower end of the mounting portion is provided with a rotary bearing, and the lower end of the mounting plate is fixed to the rotary bearing.