CN216912475U - Servo motion control pressure fusion welding machine - Google Patents
Servo motion control pressure fusion welding machine Download PDFInfo
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- CN216912475U CN216912475U CN202220551824.8U CN202220551824U CN216912475U CN 216912475 U CN216912475 U CN 216912475U CN 202220551824 U CN202220551824 U CN 202220551824U CN 216912475 U CN216912475 U CN 216912475U
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Abstract
The utility model relates to a servo motion control pressure fusion welding machine, which comprises a lower welding table, an upper welding table, a connecting rod mechanism and a servo driving motor, wherein the lower welding table is arranged on the lower welding table; the upper welding table is arranged on an upper welding seat which can move up and down; a vertical movement guide mechanism is arranged between the two sides of the upper welding seat and the inner side of the upper part of the frame of the pressure fusion welding machine; the top of the upper welding seat is connected with the connecting rod mechanism; the connecting rod mechanism is horizontally arranged at the top of the pressure welding machine, one end of the connecting rod mechanism is connected with the upper welding seat, and the other end of the connecting rod mechanism is connected with a servo driving motor; the servo driving motor is a linear distance output mechanism, and a motor body of the servo driving motor is a servo torque motor. The connecting rod mechanism is arranged, so that the overall height of the pressure welding machine can be effectively reduced; through setting up servo drive motor has avoided the pneumatic cylinder to use the pollution that probably brings, and servo drive motor also can be more accurate control pressure simultaneously.
Description
Technical Field
The utility model relates to a pressure fusion welding machine capable of performing servo motion control.
Background
A pressure welding machine, also called as a fusion welding machine or a direct current welding machine, is characterized in that a positive electrode and a negative electrode of direct current are introduced to an upper welding table and a lower welding table, then the positive electrode and the negative electrode are pressed, large current is generated in the middle of the welding tables, heat is generated, materials are melted, pressure is applied on the basis, and the materials are welded together.
The Chinese patent publication No. CN108817283A discloses a welding device for a fusion welding machine, namely, the structure of the conventional compression fusion welding machine at present, an upper welding table is arranged at the bottom of a hydraulic oil cylinder, and the upper welding table is pressed to a lower welding table through the hydraulic oil cylinder.
At present, the conventional pressure welding machine has very high overall height due to the arrangement of the hydraulic oil cylinder at the upper part, and can only be suitable for being installed in a factory building with higher space; meanwhile, although the hydraulic oil cylinder can perform accurate pressure control, the moving distance is difficult to control, and in the fusion welding process, after materials are melted, the materials are deformed due to compression, so that the distance is changed, and the moving distance also needs to be monitored as much as possible to know the welding quality. Moreover, the hydraulic oil cylinder needs to be matched with a hydraulic pump station, oil stain leakage is easy to generate, and the oil stain can generate smoke at high temperature to cause environmental pollution.
Therefore, it is necessary to improve the structure of the pressure welding machine in order to meet the more complicated production requirements.
SUMMERY OF THE UTILITY MODEL
The utility model aims to provide a servo motion control pressure fusion welding machine, which realizes compact structure and accurate servo control of the welding machine.
In order to achieve the purpose of the utility model, a servo motion control pressure fusion welding machine is provided, which comprises a lower welding table, an upper welding table, a link mechanism and a servo driving motor;
the lower welding table is fixedly arranged on a lower machine base of the welding machine and comprises a lower welding seat and a lower graphite welding table;
the upper welding table is arranged on an upper welding seat which can move up and down, and the bottom of the upper welding table is provided with an upper graphite welding table;
the lower graphite welding table and the upper graphite welding table are respectively connected to the positive electrode and the negative electrode of a direct current power supply;
a vertical movement guide mechanism is arranged between the two sides of the upper welding seat and the inner side of the upper part of the frame of the pressure fusion welding machine;
the vertical motion guide mechanism comprises a linear sliding block and a linear sliding rail;
the top of the upper welding seat is connected with the connecting rod mechanism;
the connecting rod mechanism is horizontally arranged at the top of the pressure fusion welding machine, one end of the connecting rod mechanism is connected with the upper welding seat, and the other end of the connecting rod mechanism is connected with a servo driving motor;
the servo driving motor is a linear distance output mechanism, and a motor body of the servo driving motor is a servo torque motor.
As a further improvement of the utility model, the link mechanism comprises a welding table end articulated shaft, a swing arm and a motor end articulated shaft;
one end of the swing arm is hinged with the top of the upper welding seat through the welding table end hinge shaft;
the other end of the swing arm is hinged with the top of an output shaft of the servo driving motor through the motor end hinge shaft;
the middle of the swing arm is provided with a middle articulated shaft which is connected with an adjusting rod, and the bottom of the adjusting rod is hinged and installed on a frame of the welding machine through an installation articulated shaft.
Furthermore, the base of the servo drive motor is arranged on the frame of the welding machine through a motor installation hinge shaft.
As a further improvement of the utility model, the servo drive motor main body comprises a motor body, a reduction box and a screw box;
the motor body is arranged in parallel with the lead screw box; the output shaft of the motor body is connected to the reduction gearbox, the reduction gearbox is used for reducing the speed of the output of the motor body, amplifying the torque, inputting the torque to the screw box, converting the rotary motion into linear motion and outputting the linear motion.
Further, an encoder is installed on the motor body.
As a further improvement of the utility model, the main machine of the pressure welding machine is arranged on a machine table through position adjusting equipment;
the position adjusting device comprises a movable slide way mechanism and an adjusting lead screw mechanism.
Furthermore, the movable slide mechanism comprises movable guide rails arranged on two sides of the top of the machine table and movable sliding blocks located on the lower portions of two sides of the machine body of the main machine of the fusion welding machine, and the movable sliding blocks are matched with the movable guide rails to form movable guide for adjusting the horizontal distance.
Furthermore, an adjusting lead screw mechanism is arranged between the pressure welding machine main machine and the fixed machine table, and comprises a lead screw, a fixed nut and an adjusting hand wheel;
one end of the lead screw is arranged in a rack of the pressure welding machine host, and the lead screw is parallel to the movable slide mechanism;
the screw rod is sleeved in the fixing nut in a penetrating manner, and the fixing nut is fixed on the machine table through the mounting seat;
the other end of the lead screw is connected with the adjusting hand wheel.
As a further improvement of the utility model, a temperature sensor is arranged on one side of the pressure welding machine host;
and the probe of the temperature sensor faces the lower graphite welding table or the upper graphite welding table.
By arranging the connecting rod mechanism, the overall height of the pressure welding machine can be effectively reduced; through setting servo drive motor has avoided the pneumatic cylinder to use the pollution that probably brings, and servo drive motor not only can accurate control pressure simultaneously, can also accurate calculation push down the distance to carry out better control to product welding process. Detecting a pressing distance while controlling the pressure; when the pressing distance is insufficient, the product may be heated at an insufficient temperature, insufficient deformation may not occur, or inclusions may exist at the welding part, which needs to be checked; when the pressing distance is too large, the product may be heated to too high temperature, the deformation is too large, or the number of parts is insufficient, and the inspection is needed; therefore, the detection function is achieved, and the automatic production requirement can be better met.
Meanwhile, in order to meet the requirement of automatic production, the pressure welding machine host is arranged on the machine table through position adjusting equipment, so that the position of the pressure welding machine host can be conveniently adjusted, and the adjustment convenience degree of an automatic production system is improved.
Drawings
FIG. 1 is a reference diagram illustrating the use state of the present invention;
FIG. 2 is a schematic view of the overall configuration of the servo motion controlled pressure fusion welder of the present invention 1;
FIG. 3 is a schematic view of the overall configuration of the servo motion controlled pressure fusion welder of the present invention 2;
FIG. 4 is a schematic view of the internal structure of the servo motion controlled pressure fusion welding machine of the present invention;
FIG. 5 is a schematic view of a servo motion controlled pressure fusion welder in overall cutaway.
Detailed Description
The utility model is further described below with reference to the following figures and specific examples.
As shown in fig. 1, the servo motion controlled pressure fusion welding machine of the present invention can be applied in the field of automatic welding, and particularly can be used in cooperation with an automatic robot arm 2 to perform automatic welding operation; even can set up 2 pressure fusion welding machines 1 as required, form 2 welding station simultaneously, weld simultaneously 2 different positions of part. The position-adjustable installation of pressure fusion welding machine 1 can carry out manual position control according to the welding position of spare part on the board to remove the control program of resetting robotic arm 2 from.
2-5, which are schematic structural views of the servo motion control pressure welding machine of the present invention; comprises a lower welding table 11 and an upper welding table 12.
The lower welding table 11 is fixedly installed on a lower machine base of the welding machine and comprises a lower welding base 111 and a lower graphite welding table 112.
The upper welding table 12 is mounted on an upper welding seat 121 which can move up and down, and an upper graphite welding table 122 is arranged at the bottom of the upper welding table.
The lower graphite welding stage 112 and the upper graphite welding stage 122 are respectively connected to the positive electrode and the negative electrode of the direct-current power supply through copper bars.
Two sides of the upper welding seat 121 are provided with linear sliding blocks 123, linear sliding rails 124 are respectively fixed on the inner side of the upper part of the pressure fusion welding machine, and the linear sliding blocks 123 are sleeved on the linear sliding rails 124, so that the upper welding seat 121 can reliably move vertically.
The upper portion of the upper welding seat 121 is connected with a driving mechanism, the driving mechanism is a link mechanism 13, the link mechanism 13 is horizontally arranged at the top of the pressure welding machine, one end of the link mechanism 13 is connected with the upper welding seat 121, and the other end of the link mechanism 13 is connected with a servo driving motor 14.
As shown in fig. 4 and 5, the link mechanism 13 sequentially includes a welding table end hinge shaft 131, a swing arm 132, and a motor end hinge shaft 136; one end of the swing arm 132 is hinged to the top of the upper welding seat 121 through the welding table end hinge shaft 131, and the other end of the swing arm 132 is hinged to the top of the output shaft of the servo drive motor 14 through the motor end hinge shaft 136; the middle of the swing arm 132 is provided with a middle hinge shaft 133, and is connected with an adjusting rod 134, and the bottom of the adjusting rod 134 is hinged to the frame of the welding machine through a hinge shaft 134.
The output shaft of the servo driving motor 14 extends upward to drive the swing arm 132 to press down toward the upper welding seat 121, so as to press the upper welding seat 121 downward, so that the upper graphite welding table 122 is attached to the lower graphite welding table 112 for fusion welding operation; after the operation is finished, the output shaft of the servo driving motor 14 retracts downwards to drive the swing arm 132 to lift up, so as to drive the upper welding seat 121 to ascend, so that the upper graphite welding table 122 leaves the lower graphite welding table 112, the operation is completed, and the next operation is started.
In order to eliminate the angular swing of the servo driving motor 14 caused by the limitation of the connection of the link mechanism 13 during the movement, the base 144 of the servo driving motor 14 is installed on the frame of the welding machine through a motor installation hinge shaft.
The servo driving motor 14 comprises a motor body 141, a reduction box 142 and a lead screw box 143; the motor body 141 is a torque motor, an output shaft of the torque motor is connected to the reduction gearbox 142, the reduction gearbox reduces the speed of the output of the motor body 141, amplifies the torque, inputs the torque to the screw box 143, and converts the rotary motion into linear motion for output.
The motor body 141 is provided with an encoder which can detect and record the output rotation number of turns of the motor, and the output distance of the servo driving motor 14 is calculated by combining the reduction ratio of the reduction gearbox 142 and the screw pitch of the screw box 143, and the precision is extremely high and can reach micron level generally; further combining the size of the link mechanism 13, the moving distance of the upper welding seat 121 can be calculated.
By arranging the connecting rod mechanism 13, the overall height of the pressure welding machine can be effectively reduced; through setting up servo drive motor 14 has avoided the pneumatic cylinder to use the pollution that probably brings, and servo drive motor 14 not only can accurate control pressure simultaneously, can also accurate calculation push down the distance to carry out better control to product welding process. Detecting a pressing distance while controlling the pressure; when the pressing distance is insufficient, the product may be heated at an insufficient temperature, insufficient deformation may not occur, or inclusions may exist at the welding part, which needs to be checked; when the pressing distance is too large, the product may be heated to too high temperature, the deformation is too large, or the number of parts is insufficient, and the inspection is needed; therefore, the detection function is achieved, and the automatic production requirement can be better met.
Further, the pressure welding machine host is arranged on the machine table through position adjusting equipment; the position adjusting device comprises a movable slide mechanism 15 and an adjusting screw mechanism 16.
The movable slide mechanism 15 comprises movable guide rails 151 arranged on two sides of the top of the machine table and movable sliding blocks 152 positioned on the lower portions of two sides of the machine body of the pressure welding machine main machine, and the movable sliding blocks 152 are matched with the movable guide rails 151 to form movable guide for adjusting the horizontal distance.
Further, an adjusting lead screw mechanism 16 is arranged between the main machine of the fusion welding machine and the fixed machine table, and comprises a lead screw 161, a fixed nut 162 and an adjusting hand wheel 163; one end of the lead screw 161 is arranged in the frame of the fusion welding machine main body, and the lead screw 161 is parallel to the movable slide mechanism 15; the lead screw 161 is sleeved in the fixing nut 162 in a penetrating manner, and the fixing nut 162 is fixed on the machine table through a mounting seat; the other end of the lead screw 161 is connected with the adjusting handwheel 163; by rotating the adjusting hand wheel 163, the lead screw 161 can be rotated, and then the lead screw 161 can perform telescopic motion relative to the fixing nut 162, so as to drive the main machine of the pressure fusion welding machine to move. Through the adjusting screw mechanism 16, the position of the pressure welding machine host machine on the fixed machine table can be adjusted more accurately and locked.
In order to improve the welding quality, a temperature sensor 17 is further disposed on one side of the main machine of the pressure fusion welding machine, and can detect the real-time working temperature of the lower graphite welding stage 112 or the upper graphite welding stage 122, so as to feed back and adjust parameters such as current and pressure in time, and to ensure that the optimal pressure fusion welding temperature is maintained.
The foregoing shows and describes the general principles, essential features, and advantages of the utility model. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the utility model as defined by the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (9)
1. The servo motion control pressure welding machine is characterized by comprising a lower welding table, an upper welding table, a connecting rod mechanism and a servo driving motor;
the lower welding table is fixedly arranged on a lower machine base of the welding machine and comprises a lower welding seat and a lower graphite welding table;
the upper welding table is arranged on an upper welding seat which can move up and down, and the bottom of the upper welding table is provided with an upper graphite welding table;
the lower graphite welding table and the upper graphite welding table are respectively connected to the positive electrode and the negative electrode of a direct current power supply;
a vertical movement guide mechanism is arranged between the two sides of the upper welding seat and the inner side of the upper part of the frame of the pressure fusion welding machine;
the vertical motion guide mechanism comprises a linear sliding block and a linear sliding rail;
the top of the upper welding seat is connected with the connecting rod mechanism;
the connecting rod mechanism is horizontally arranged at the top of the pressure fusion welding machine, one end of the connecting rod mechanism is connected with the upper welding seat, and the other end of the connecting rod mechanism is connected with a servo driving motor;
the servo driving motor is a linear distance output mechanism, and a motor body of the servo driving motor is a servo torque motor.
2. The servo motion controlled pressure fusion welder of claim 1, wherein the linkage mechanism comprises a weld station end hinge axis, a swing arm, and a motor end hinge axis;
one end of the swing arm is hinged with the top of the upper welding seat through the welding table end hinge shaft;
the other end of the swing arm is hinged with the top of an output shaft of the servo driving motor through the motor end hinge shaft;
the middle of the swing arm is provided with a middle articulated shaft which is connected with an adjusting rod, and the bottom of the adjusting rod is hinged and installed on a frame of the welding machine through an installation articulated shaft.
3. The servo motion controlled press welder of claim 2, wherein the base of the servo drive motor is mounted to the frame of the welder by a motor mount hinge shaft.
4. The servo motion controlled press-and-fuse welding machine as recited in claim 1, wherein said servo drive motor body comprises a motor body, a reduction box, and a lead screw box;
the motor body is arranged in parallel with the lead screw box; the output shaft of the motor body is connected to the reduction gearbox, the reduction gearbox is used for reducing the speed of the output of the motor body, amplifying the torque, inputting the torque to the screw box, converting the rotary motion into linear motion and outputting the linear motion.
5. The servo motion controlled pressure fusion welder of claim 4, wherein the motor body has an encoder mounted thereon.
6. The servo motion controlled pressure fusion welder according to claim 1, wherein the pressure fusion welder main unit is installed on the machine table through a position adjusting device;
the position adjusting device comprises a movable slide way mechanism and an adjusting lead screw mechanism.
7. The servo motion controlled pressure fusion welding machine of claim 6, wherein the moving slide mechanism comprises moving guide rails installed on both sides of the top of the machine table, and moving slide blocks located on the lower portions of both sides of the machine body of the pressure fusion welding machine main body, and the moving slide blocks are matched with the moving guide rails to form a moving guide for adjusting the horizontal distance.
8. The servo motion controlled pressure fusion welding machine according to claim 6, wherein an adjusting screw mechanism is arranged between the pressure fusion welding machine main machine and the fixed machine table, and comprises a screw, a fixed nut and an adjusting hand wheel;
one end of the lead screw is arranged in a rack of the pressure welding machine host, and the lead screw is parallel to the movable slide mechanism;
the screw rod is sleeved in the fixing nut in a penetrating manner, and the fixing nut is fixed on the machine table through the mounting seat;
the other end of the lead screw is connected with the adjusting hand wheel.
9. The servo motion controlled pressure fusion welding machine according to claim 1, wherein a temperature sensor is provided at one side of the pressure fusion welding machine main body;
and the probe of the temperature sensor faces the lower graphite welding table or the upper graphite welding table.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551824.8U CN216912475U (en) | 2022-03-14 | 2022-03-14 | Servo motion control pressure fusion welding machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202220551824.8U CN216912475U (en) | 2022-03-14 | 2022-03-14 | Servo motion control pressure fusion welding machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN216912475U true CN216912475U (en) | 2022-07-08 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202220551824.8U Active CN216912475U (en) | 2022-03-14 | 2022-03-14 | Servo motion control pressure fusion welding machine |
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| Country | Link |
|---|---|
| CN (1) | CN216912475U (en) |
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2022
- 2022-03-14 CN CN202220551824.8U patent/CN216912475U/en active Active
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