CN210938010U

CN210938010U - Screwing structure for automatic electrode centering

Info

Publication number: CN210938010U
Application number: CN201921482075.2U
Authority: CN
Inventors: 杨平国; 柳洪亮; 赖铃
Original assignee: Chongqing Kai Fa Industrial Co ltd
Current assignee: Chongqing Kai Fa Industrial Co ltd
Priority date: 2019-09-06
Filing date: 2019-09-06
Publication date: 2020-07-07
Anticipated expiration: 2029-09-06

Abstract

The utility model discloses a screwing structure for automatic electrode centering, which comprises a frame, wherein a motion mechanism is arranged on the frame, a screwing mechanism is arranged on the motion mechanism, the screwing mechanism can move left and right under the driving of the motion mechanism, and the screwing mechanism is used for screwing a nut on a centering electrode to be centered; the moving mechanism comprises a first driving device fixed on the left side of the machine base and a lead screw structure fixed on the right side of the machine base, an output shaft of the first driving device is connected with the lead screw structure, a sliding block is sleeved on the lead screw structure and can drive the sliding block to move left and right, a sliding seat is connected above the sliding block, a second driving device is fixed in the middle of the sliding seat, and an output end of the second driving device is connected with a driving plate located above the second driving device. The remarkable effects are as follows: the efficiency is improved, and the complexity of manually screwing the nut is reduced.

Description

Screwing structure for automatic electrode centering

Technical Field

The utility model relates to electrode centering equipment technical field, concretely relates to screw up structure for electrode automatic centering.

Background

In the prior art, in the copper public centering process, manual centering measurement is mostly carried out by using a vernier caliper, so that the time is spent, and the centering effect is poor. In addition, after the centering, the nuts on the electrodes are manually screwed, so that the labor is strong, and the efficiency is low.

Disclosure of Invention

The utility model aims at providing a not enough to prior art, the utility model aims at providing a screw up structure for electrode automatic centering can raise the efficiency, reduces the loaded down with trivial details nature of screwing up the nut.

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

a screw up structure for electrode self-centering, its key lies in: the centering electrode centering device comprises a base, wherein a moving mechanism is arranged on the base, a tightening mechanism is arranged on the moving mechanism, the tightening mechanism can move front and back and left and right under the driving of the moving mechanism, and the tightening mechanism is used for tightening nuts on centering electrodes to be centered;

the moving mechanism comprises a first driving device fixed on the left side of the machine base and a lead screw structure fixed on the right side of the machine base, an output shaft of the first driving device is connected with the lead screw structure, a sliding block is sleeved on the lead screw structure, the first driving device can drive the sliding block to move left and right, a sliding seat is connected above the sliding block, a second driving device is fixed in the middle of the sliding seat, an output end of the second driving device is connected with a driving plate located above the second driving device, the driving plate is in reciprocating motion of the second driving device, and the driving plate is used for installing the tightening mechanism.

Furthermore, the front side and the rear side of the sliding seat are respectively supported on a first sliding rail in a sliding manner, the first sliding rail is fixedly connected with the machine base through a supporting block, the left side and the right side of the driving plate are respectively supported on a second sliding rail in a sliding manner, and the second sliding rail is fixed on the upper surface of the sliding seat.

Furthermore, screw up the mechanism and include the mount pad, screw up the motor, screw up subassembly and drive gear group, the bottom of mount pad with motion fixed connection, the top of mount pad is fixed screw up the motor, screw up the subassembly with be fixed in the connecting seat on the motion rotates and is connected, the output shaft of screwing up the motor pass through drive gear group with screw up the subassembly transmission and be connected.

Furthermore, an L-shaped reinforcing plate is arranged between the mounting seat and the moving mechanism.

Furthermore, the tightening component is sleeved with a cushioning spring which is abutted between the connecting seat and a limiting ring formed on the tightening component.

The utility model discloses a show the effect and be: simple structure, convenient operation can realize the operation of screwing up of nut on the electrode automatically, has alleviateed intensity of labour, has improved production efficiency.

Drawings

Fig. 1 is a schematic view of the structure of a viewing angle of the present invention;

fig. 2 is a schematic structural view of another view angle of the present invention;

fig. 3 is a front view of the present invention;

fig. 4 is a rear view of the present invention;

fig. 5 is a top view of the present invention;

FIG. 6 is a schematic structural view of the movement mechanism and tightening mechanism;

FIG. 7 is a front view of the movement mechanism and tightening mechanism;

FIG. 8 is a right side view of the movement mechanism and tightening mechanism;

FIG. 9 is a schematic structural view of the positioning mechanism and the centering mechanism;

FIG. 10 is a rear view of the positioning mechanism and centering mechanism;

fig. 11 is a right side view of the positioning mechanism and the centering mechanism.

Detailed Description

The following provides a more detailed description of the embodiments and the operation of the present invention with reference to the accompanying drawings.

As shown in fig. 1 to 11, an automatic electrode centering device comprises a base 1, a moving mechanism 2 arranged at the front side of the base 1, a tightening mechanism 3 arranged on the moving mechanism 2, the tightening mechanism 3 can move forwards, backwards, leftwards and rightwards under the driving of the motion mechanism 2, a positioning mechanism 4 is fixed at the rear side of the machine base 1, the positioning mechanism 4 is used for clamping and fixing an electrode 7 to be centered, a centering mechanism 6 is arranged above the positioning mechanism 4 through a supporting frame 5, the supporting frame 5 is arranged on the left side and the right side of the positioning mechanism 4 in a spanning manner, the centering mechanism 6 is matched with the tightening mechanism 3, when the electrode is centered, the centering mechanism 6 is used for centering the electrode 7 to be centered, and the tightening mechanism 3 is used for tightening the nut on the centered electrode 7 to be centered.

When the electrode centering is carried out, an operator firstly puts the electrode 7 to be centered into the positioning mechanism 4, then ventilates and locks the electrode, then conveys the electrode 7 to be centered to the screwing position, and centers the electrode through the centering mechanism 6. After the centering is completed, the moving mechanism 2 moves the tightening mechanism 3 to a required position, the first nut starts to be tightened through the tightening mechanism 3, the tightening mechanism 3 retreats after the first nut is tightened, the moving mechanism 2 drives the tightening mechanism 3 to move to two nut positions, then the moving mechanism advances to be tightened, the third nut tightening procedure and the fourth nut tightening procedure are sequentially performed, after all nuts are tightened, the positioning mechanism 4 is opened by ventilation, the electrode is taken down, and the whole centering process is completed.

With respect to the movement mechanism 2:

the moving mechanism 2 comprises a first driving device 21 fixed on the left side of the machine base 1 and a screw rod structure 22 fixed on the right side of the machine base 1, an output shaft of the first driving device 21 is connected with the screw rod structure 22 through a structure such as a coupler, a sliding block 23 is sleeved on the screw rod structure, the first driving device 21 can drive the sliding block 23 to move left and right, a sliding seat 24 is connected to the upper portion of the sliding block 23, a second driving device 25 is fixed in the middle of the sliding seat 24, the output end of the second driving device 25 is connected with a driving plate 26 located above the second driving device 25, the driving plate 26 is located on the second driving device 25 and can reciprocate back and forth, and the driving plate 26 is used for installing the screwing mechanism 3.

Further, in order to ensure the stability of the sliding base 24 and the driving plate 26 during the moving process, the front and rear sides of the sliding base 24 are respectively slidably supported on first sliding rails 27, the first sliding rails 27 are fixedly connected with the machine base 1 through supporting blocks 29, the left and right sides of the driving plate 26 are respectively slidably supported on second sliding rails 28, and the second sliding rails 28 are fixed on the upper surface of the sliding base 24.

The first driving device 21 is preferably a stepping motor, and the second driving device 25 is a forward and backward air cylinder, so that both the control precision and the cost can be considered.

In the process of centering, the first driving device 21 is used for driving the tightening mechanism 3 to move left and right so as to align with the first to fourth nuts on the electrode 7 to be centered, and the second driving device 25 is used for driving the tightening mechanism 3 to move back and forth so as to contact with the first to fourth nuts so as to tighten the nuts.

With regard to the tightening mechanism 3:

screw up mechanism 3 and include mount pad 31, screw up motor 32, screw up subassembly 33 and drive gear group 34, the bottom of mount pad 31 with 2 fixed connection of moving mechanism, the top of mount pad 31 is fixed screw up motor 32, screw up subassembly 33 with be fixed in connecting seat 35 on the moving mechanism 2 rotates and is connected, screw up motor 32's output shaft pass through drive gear group 34 with screw up subassembly 33 transmission and connect, just connect in drive gear group 34 and all be greater than the gear of connection on screwing up subassembly 33 in the reference circle and the number of teeth of screwing up motor 32 upper gear to reach the mesh of speed reduction, in order to avoid the too fast damage electrode of rotational speed. In addition, the front end of the tightening assembly 33 is connected with the transmission gear set 34, the middle part of the tightening assembly is connected with the connecting seat 35, and the rear end of the tightening assembly forms a tightening wrench matched with the first to fourth nuts on the electrode 7 to be centered.

Further, an L-shaped reinforcing plate 36 is further disposed between the mounting seat 31 and the movement mechanism 2, so that the connection strength between the mounting seat 31 and the driving plate is improved, and the stability of the tightening motor 32 is further improved.

Preferably, the tightening component 33 is sleeved with a cushioning spring 37, the cushioning spring 37 abuts against the limiting rings formed on the connecting seat 35 and the tightening component 33, rigid contact between the tightening component 33 and the electrode 7 to be centered or between nuts can be avoided through the cushioning spring, and damage to equipment or products is effectively avoided.

In the process of screwing the nut, the moving mechanism 2 moves the screwing mechanism 3 to a required position, and then the screwing motor 32 starts to work to drive the screwing assembly 33 to rotate so as to screw the nut.

With respect to the positioning mechanism 4:

the positioning mechanism 4 comprises two third slide rails 41 longitudinally arranged on the rear side of the machine base 1, a third driving device 42 is arranged between the two third slide rails 41, an output shaft of the third driving device 42 is connected with the machine base 1 through a fixing piece, a main body part of the third driving device 42 is connected with a positioning plate 43 positioned above the third driving device, two sides of the positioning plate 43 are further slidably supported on the third slide rails 41, a positioning seat 44 is fixed in the middle of the positioning plate 43, and a pneumatic clamping positioning groove 45 matched with the to-be-centered electrode 7 is fixedly arranged on the positioning seat 44.

The third driving device 42 can drive the positioning seat to move back and forth, so that the feeding and the discharging are more convenient, and the electrode centering efficiency is improved. Meanwhile, the electrodes can be clamped and fixed or released more conveniently through the pneumatic type clamping positioning groove 45, and the convenience of operation is greatly improved.

With respect to the centering mechanism 6:

the center-dividing mechanism 6 comprises two fourth slide rails 61 which are respectively arranged at the left side and the right side of the support frame 5, a connecting plate 62 is supported on the fourth slide rail 61 in a sliding way, at least two pushing blocks 63 for centering the electrode 7 to be centered are connected with the lower end of the connecting plate 62, a sub-bracket 64 is fixed on the supporting frame 5, two groups of middle screw rods 65 are fixed on the sub-bracket 64, the two groups of middle screw rods 65 are connected through two gears which are meshed with each other, each centering screw rod 65 is provided with a screw rod sleeve 66, the screw rod sleeve 66 is also connected with the connecting plate 62, a centering driving device 67 is also fixed on the auxiliary bracket 64, the output shaft of the centering drive 67 is connected to one of the centering rods 65 via a transmission mechanism, the centering driving device 67 can drive the connecting plate 62 to slide back and forth along the fourth slide rail 61 through the centering screw 65.

The centering driving device 67 is controlled to rotate, so that the two groups of screw rods synchronously rotate due to the connection of the gears, and the two groups of screw rods 65 can be driven to rotate, namely the two groups of screw rods 65 rotate to drive the two connecting plates 62 and the pushing block 63 to simultaneously move towards the middle or the left side and the right side, and when the two groups of screw rods move towards the middle, the electrodes are pushed to move towards the center, so that the centering of the electrodes is realized; and when moving to both sides, the reset of the two pushing blocks 63 after centering is realized.

Further, for more convenient installation and movement control of the pushing block 63, the connecting plate 62 is in an inverted L shape, a transverse portion of the connecting plate 62 is slidably connected with the fourth slide rail 61, a vertical portion of the connecting plate 62 is arranged towards the positioning mechanism 4, a gap corresponding to the vertical portion of the connecting plate 62 is formed in the supporting frame 5, and the pushing block 63 is connected to the vertical portion of the connecting plate 62.

In this embodiment, the supporting frame 5 and the secondary support 64 have the same structure, and the cross sections of the supporting frame and the secondary support are in the shape of an inverted C, so that the structure is simplified, the production and the manufacturing are convenient, and in addition, lightening holes are further formed in the supporting frame 5, so that the weight of the equipment is reduced, the carrying is convenient, and the consumable material of the equipment is reduced.

In specific implementation, the first driving device 21, the second driving device 25, the tightening motor 32, the third driving device 42 and the centering driving device 67 may be electrically connected to a PLC controller, so as to control the actions of each actuator, thereby implementing the automatic centering process of the whole electrode.

The technical scheme provided by the utility model is introduced in detail above. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A screw up structure for electrode self-centering which characterized in that: the centering electrode centering device comprises a base, wherein a moving mechanism is arranged on the base, a tightening mechanism is arranged on the moving mechanism, the tightening mechanism can move front and back and left and right under the driving of the moving mechanism, and the tightening mechanism is used for tightening nuts on centering electrodes to be centered;

2. The tightening structure for automatic electrode centering according to claim 1, characterized in that: the front side and the rear side of the sliding seat are respectively supported on a first sliding rail in a sliding mode, the first sliding rail is fixedly connected with the machine base through a supporting block, the left side and the right side of the driving plate are respectively supported on a second sliding rail in a sliding mode, and the second sliding rail is fixed on the upper surface of the sliding seat.

3. The tightening structure for automatic electrode centering according to claim 1, characterized in that: the tightening mechanism comprises a mounting seat, a tightening motor, a tightening assembly and a transmission gear set, the bottom of the mounting seat is fixedly connected with the moving mechanism, the top of the mounting seat is fixed with the tightening motor, the tightening assembly is rotatably connected with a connecting seat on the moving mechanism, and an output shaft of the tightening motor is in transmission connection with the tightening assembly through the transmission gear set.

4. The tightening structure for automatic electrode centering according to claim 3, characterized in that: an L-shaped reinforcing plate is further arranged between the mounting seat and the moving mechanism.

5. The tightening structure for automatic electrode centering according to claim 4, characterized in that: the tightening component is sleeved with a cushioning spring which is abutted between the connecting seat and a limiting ring formed on the tightening component.