Workbench of robot welding machine

Abstract

The utility model discloses a robot welding machine workbench which comprises a machining box, and a welding machine arm is arranged on the back face of the machining box. An overturning assembly is arranged on the top surface of the processing box and comprises an overturning working frame mounted at the top of the processing box, and a mechanical bin is fixedly mounted on one side of the processing box; wherein a driving motor is arranged at the bottom of the mechanical bin, the output end of the driving motor is fixedly connected with a threaded rod, the threaded rod is sleeved with a threaded sleeve in a sliding and threaded mode, the threaded sleeve is fixedly connected with a connecting plate, the top end of the connecting plate extends into the mechanical bin and is fixedly connected with a toothed plate, and the top of the toothed plate is connected with a gear in a meshed mode. The overturning working frame is rotated by 180 degrees through the toothed plate and the gear, then the back face of the part to be welded is overturned upwards, the situation that workers need to manually disassemble and overturn the part is avoided, the welding time is saved, and the production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of welding machine workbenches, in particular to a robot welding machine workbench. Background Art

[0002] The robot welding machine workbench is an automatic welding equipment, which consists of components such as robot, welding machine, workbench and control system. It can automatically complete the welding process, improve production efficiency and reduce labor intensity. Among them, the workbench is the basic platform of the robot welding machine workbench, which is responsible for fixing and supporting parts;

[0003] Publication No. CN216912440U discloses a two-protection welding coordinate robot, including a base, a workbench, a mechanical walking mechanism, a welding machine and an air compressor are arranged on the base; the workbench is connected to the mechanical walking mechanism, and a flux recovery box is arranged at the bottom of the workbench; the mechanical walking mechanism is provided with a flux filling pipe, a flux recovery pipe and a flux storage box; the welding machine includes a welding power supply, a welding gun and a flux box, and the welding machine and the air compressor are placed side by side; the workbench, the mechanical walking mechanism, the welding machine and the air compressor are connected and controlled by an electrical control system. This device has the characteristics of compact structure, high welding efficiency, high degree of automation and good welding effect, can realize continuous multi-axis automatic welding, and is suitable for various alloy steel welding technology fields. However, the patent still has the following problems in actual use:

[0004] The existing robot welding machine universal workbench, such as the above-mentioned device, can realize multi-task welding, such as welding multiple parts at the same time, thereby improving production efficiency. However, although the existing universal workbench is flexible in installing parts, it is impossible to adjust the welding angle of the welded parts. As a result, if the joint of the part needs to be welded on both the surface and the bottom, it is necessary to manually remove the fixed base of the part from the workbench and manually flip the placement surface of the part, which greatly increases the labor cost and reduces the welding efficiency.

[0005] A robot welding machine workbench is proposed to solve the problems raised above. Utility Model Content

[0006] The utility model aims to provide a robot welding machine workbench to solve the problem that the welding angle of the welding parts cannot be adjusted in the prior art, resulting in the need to manually remove the fixed base of the parts from the workbench and manually flip the placement surface of the parts when both the surface and the bottom surface of the joint of the parts need to be welded, which greatly increases the labor cost and reduces the welding efficiency.

[0007] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a robot welding machine workbench, comprising a processing box, a welding robot arm is arranged on the back of the processing box;

[0008] The top surface of the processing box is provided with a turnover assembly, and the turnover assembly includes a turnover work frame installed on the top of the processing box, and a mechanical warehouse is fixedly installed on one side of the processing box;

[0009] The bottom of the mechanical compartment is fixedly installed with a motor cover, the inside of the motor cover is fixedly installed with a driving motor, the output end of the driving motor passes through the motor cover and is fixedly connected with a threaded rod, the external sliding thread sleeve of the threaded rod is provided with a threaded sleeve, the top of the threaded sleeve is fixedly installed with a connecting plate, and the connecting plate is slidably connected with a horizontal groove opened at the bottom of the mechanical compartment;

[0010] Among them, a plurality of support columns are fixedly connected to the inner side of the turning work frame, and lifting bars are symmetrically overlapped on the upper side of the support columns, and a splicing component is provided between two adjacent lifting bars.

[0011] Preferably, the top end of the connecting plate extends into the mechanical warehouse and is fixedly connected to a tooth plate, the two sides of the tooth plate are symmetrically slidably connected to limiting side plates, the limiting side plates are fixedly connected to the inner lower part of the mechanical warehouse, the top of the tooth plate is meshingly connected to a gear, and a transmission shaft is fixedly passed through the middle of the gear.

[0012] Preferably, one end of the transmission shaft is rotatably connected to the mechanical warehouse, and the other end of the transmission shaft passes through one side of the mechanical warehouse and the processing box from right to left in sequence, and one end of the transmission shaft located in the processing box is fixedly connected to a lifting plate.

[0013] Preferably, a clamping groove is provided on the top surface of the lifting plate, and the clamping groove clamps one side of the flip working frame, and a bolt is threadedly connected between the lifting plate and the working frame.

[0014] Preferably, a locking hook is fixedly installed at one end of the lifting bar close to the processing box, and the locking hook is engaged with the lifting bars on both sides of the flip work frame. A threaded hole is opened on the surface of the lifting bar, and the outer side of the locking hook is threadedly connected to a reinforcement knob. The end of the reinforcement knob is rotatably connected to a friction pad, and the friction pad fits against the side of the support column.

[0015] Preferably, the splicing assembly includes a connecting slide plate, both ends of which are slidably connected to the outer sides of different lifting bars, and the splicing assembly also includes an arc-shaped plate fixed to the surface of the lifting bar.

[0016] Preferably, a rocker is slidably connected to the outer side of the arc plate, a limiting slide groove is provided inside the arc plate, a limiting slide plate is slidably connected in the limiting slide groove, one side of the limiting slide plate extends out of the inner side of the arc plate and is fixedly connected to a semicircular plate, and one end of the rocker extends into the arc plate and is fixedly connected to the limiting slide plate.

[0017] Compared with the prior art, the utility model has the following beneficial effects: the robot welding machine workbench allows the flip work frame to rotate 180 degrees through the lifting plate, so that the back of the part to be welded is flipped upward and welded again, and finally the device can be accurately flipped when welding objects, avoiding the need for workers to manually disassemble and flip the objects, saving welding time and improving production efficiency. The specific contents are as follows:

[0018] 1. The threaded sleeve drives the tooth plate to move in the direction of the limiting side plate, and then the gear drives the transmission shaft to rotate. The transmission shaft will rotate the flip workbench 180 degrees through the lifting plate, so that the back of the part to be welded is flipped upward and welded again. Finally, the device can be accurately flipped when welding objects, avoiding the need for workers to manually disassemble and flip the objects, saving welding time and improving production efficiency.

[0019] 2. By placing the unattached lifting bar on top of the support column, then docking the two lifting bars together, and then toggling the joystick to make the limit slide slide from the inside of one curved plate into the inside of another curved plate, the lifting bar is stably engaged with the support column, and finally the number of lifting bars can be changed to use parts of different sizes. When there are fewer parts, more lifting bars can be installed to install more parts. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 This is a schematic diagram of the top structure of the utility model;

[0021] Figure 2 This is a schematic diagram of the internal structure of the mechanical warehouse;

[0022] Figure 3 It is a side view structural diagram of the mechanical compartment;

[0023] Figure 4 This is a schematic diagram of the installation structure of the reinforcement knob;

[0024] Figure 5 It is a schematic diagram of the structure when the lifting bar is separated;

[0025] Figure 6 This is a schematic diagram of the structure when the support bars are spliced.

[0026] In the figure: 1. Processing box; 101. Welding robot arm; 2. Flip assembly; 201. Flip work frame; 202. Mechanical warehouse; 203. Driving motor; 204. Threaded rod; 205. Threaded sleeve; 206. Horizontal groove; 207. Tooth plate; 208. Limiting side plate; 209. Gear; 210. Transmission shaft; 211. Lifting plate; 212. Engaging groove; 213. Support column; 214. Lifting bar; 215. Threaded hole; 216. Reinforcement knob; 3. Splicing assembly; 301. Connecting slide; 302. Arc plate; 303. Rocker; 304. Limiting slide groove; 305. Limiting slide; 306. Semicircular plate. DETAILED DESCRIPTION

[0027] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the implementation regulations described are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0028] See also Figure 1-6 The utility model provides a technical solution: a robot welding machine workbench includes a processing box 1, and a welding robot arm 101 is arranged on the back of the processing box 1; the welding robot arm 101 is the existing technology.

[0029] The top surface of the processing box 1 is provided with a turnover assembly 2, and the turnover assembly 2 includes a turnover work frame 201 installed on the top of the processing box 1, and a mechanical warehouse 202 is fixedly installed on one side of the processing box 1;

[0030] Among them, a motor cover is fixedly installed at the bottom of the mechanical warehouse 202, and a driving motor 203 is fixedly installed inside the motor cover. The output end of the driving motor 203 passes through the motor cover and is fixedly connected with a threaded rod 204. The external sliding threaded sleeve of the threaded rod 204 is provided with a threaded sleeve 205. The top of the threaded sleeve 205 is fixedly installed with a connecting plate, and the connecting plate is slidably connected with a horizontal groove 206 opened at the bottom of the mechanical warehouse 202; the other end of the threaded rod 204 is rotatably connected to the bottom protrusion of the mechanical warehouse 202, and a short column is fixed at one end of the flip workbench 201, and the short column is engaged with the processing box 1 through a vertical groove, and the short column provides support for the flip workbench 201.

[0031] Among them, a plurality of support columns 213 are fixedly connected to the inner side of the turning work frame 201 , and lifting bars 214 are symmetrically overlapped on the upper side of the support columns 213 , and a splicing component 3 is provided between two adjacent lifting bars 214 .

[0032] The top of the connecting plate extends into the mechanical bin 202 and is fixedly connected to a tooth plate 207. The two sides of the tooth plate 207 are symmetrically slidably connected to limit side plates 208. The limit side plates 208 are fixedly connected to the inner bottom of the mechanical bin 202. The top of the tooth plate 207 is meshingly connected to a gear 209. A transmission shaft 210 is fixedly passed through the middle of the gear 209. The limit side plates 208 can increase the stability of the tooth plate 207 when it moves.

[0033] One end of the transmission shaft 210 is rotatably connected to the mechanical warehouse 202, and the other end of the transmission shaft 210 passes through the mechanical warehouse 202 and one side of the processing box 1 from right to left in sequence. The end of the transmission shaft 210 located in the processing box 1 is fixedly connected to the lifting plate 211; a through hole is opened on the front side of the mechanical warehouse 202, and the tooth plate 207 can pass through the through hole when moving.

[0034] A locking groove 212 is provided on the top surface of the lifting plate 211, and the locking groove 212 is engaged with one side of the flip work frame 201. Bolts are threadedly connected between the lifting plate 211 and the work frame 201; the lifting plate 211 and the work frame 201 are connected by bolts, so that the work frame 201 can be disassembled and the flip work frame 201 can be embedded in the locking groove 212.

[0035] A locking hook is fixedly installed at one end of the lifting bar 214 close to the processing box 1, and the locking hook is engaged with the support columns 213 on both sides of the turning work frame 201. A threaded hole 215 is opened on the surface of the lifting bar 214, and the outer side of the locking hook is threadedly connected with a reinforcement knob 216. The end of the reinforcement knob 216 is rotatably connected with a friction pad, and the friction pad fits against the side of the support column 213; between different parallel lifting bars 214, clamping tools can be installed through the threaded holes 215 to clamp the parts to be welded, and then the position of the lifting bar 214 can be moved to splice the two parts to be welded.

[0036] The splicing assembly 3 includes a connecting slide 301, and the two ends of the connecting slide 301 are slidably connected to the outer sides of different lifting bars 214. The splicing assembly 3 also includes an arc-shaped plate 302 fixed to the surface of the lifting bar 214; the outer side of the arc-shaped plate 302 is slidably connected with a rocker 303, and a limiting slide groove 304 is provided inside the arc-shaped plate 302, and a limiting slide plate 305 is slidably connected inside the limiting slide groove 304, one side of the limiting slide plate 305 extends out of the inner side of the arc-shaped plate 302 and is fixedly connected to a semicircular plate 306, and one end of the rocker 303 extends into the arc-shaped plate 302 and is fixedly connected to the limiting slide plate 305; the two arc-shaped plates 302 and the two semicircular plates 306 can form an approximately complete circle when spliced.

[0037] Working principle: Before using the robot welding machine workbench, you need to check the overall condition of the device to make sure it can work normally. Figure 1 - Figure 6As shown, firstly, the driving motor 203 is started to rotate the threaded rod 204, so that the threaded sleeve 205 drives the toothed plate 207 to move along the direction of the limiting side plate 208, and then the gear 209 drives the transmission shaft 210 to rotate. When the threaded sleeve 205 moves to the end of the threaded rod 204, the transmission shaft 210 will rotate the flip work frame 201 180 degrees through the lifting plate 211, so that the back of the part to be welded is flipped upwards and welded again. Finally, the device can be accurately flipped when welding objects, avoiding the need for workers to manually disassemble and flip the objects, saving welding time and improving production efficiency.

[0038] When the size of the welded part changes, the reinforcing knob 216 can be loosened and the entire lifting bar 214 can be moved;

[0039] When the number of lifting bars 214 needs to be increased, the lifting bars 214 that are not connected can be placed above the supporting column 213, and then the two lifting bars 214 can be connected together. At this time, the positioning hook will be engaged with the supporting column 213 from the side, and then the rocker 303 is moved to make the limiting slide plate 305 slide in the limiting slide groove 304, and the limiting slide plate 305 will slide from the inside of one arc plate 302 to the inside of another arc plate 302, so that the number of lifting bars 214 is changed, so as to use parts of different sizes. When there are fewer parts, more lifting bars 214 can be installed, so as to install more parts;

[0040] Rotating the reinforcement knob 216 allows the friction pad to fit tightly against the locking hook to prevent the lifting bar 214 from sliding.

[0041] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art may still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention shall be included in the protection scope of the present invention.

Claims

1. A robot welding machine workbench, comprising a processing box (1), wherein a welding robot arm (101) is arranged on the back of the processing box (1); It is characterized in that Also includes: The top surface of the processing box (1) is provided with a turnover assembly (2), the turnover assembly (2) comprises a turnover work frame (201) installed on the top of the processing box (1), and a mechanical warehouse (202) is fixedly installed on one side of the processing box (1); The bottom of the mechanical compartment (202) is fixedly mounted with a motor cover, the interior of the motor cover is fixedly mounted with a drive motor (203), the output end of the drive motor (203) passes through the motor cover and is fixedly connected with a threaded rod (204), the external sliding thread sleeve of the threaded rod (204) is provided with a threaded sleeve (205), the top of the threaded sleeve (205) is fixedly mounted with a connecting plate, and the connecting plate is slidably connected with a horizontal groove (206) opened at the bottom of the mechanical compartment (202); A plurality of support columns (213) are fixedly connected to the inner side of the turning work frame (201), and lifting bars (214) are symmetrically overlapped on the upper sides of the support columns (213), and a splicing assembly (3) is provided between two adjacent lifting bars (214).

2. The robot welding machine workbench according to claim 1, characterized in that: The top end of the connecting plate extends into the mechanical bin (202) and is fixedly connected to a tooth plate (207); both sides of the tooth plate (207) are symmetrically slidably connected to limit side plates (208); the limit side plates (208) are fixedly connected to the lower inner part of the mechanical bin (202); the top of the tooth plate (207) is meshingly connected to a gear (209); a transmission shaft (210) is fixedly passed through the middle of the gear (209).

3. The robot welding machine workbench according to claim 2, characterized in that: One end of the transmission shaft (210) is rotatably connected to the mechanical bin (202), and the other end of the transmission shaft (210) passes through the mechanical bin (202) and one side of the processing box (1) from right to left in sequence. One end of the transmission shaft (210) located in the processing box (1) is fixedly connected to a lifting plate (211).

4. The robot welding machine workbench according to claim 3, characterized in that: The top surface of the lifting plate (211) is provided with a locking groove (212), and the locking groove (212) is engaged with one side of the flip working frame (201), and bolts are threadedly connected between the lifting plate (211) and the working frame (201).

5. The robot welding machine workbench according to claim 1, characterized in that: A locking hook is fixedly installed at one end of the lifting bar (214) close to the processing box (1), and the locking hook is engaged with the support columns (213) on both sides of the turning work frame (201). A threaded hole (215) is opened on the surface of the lifting bar (214), and a reinforcement knob (216) is threadedly connected to the outer side of the locking hook. The end of the reinforcement knob (216) is rotatably connected to a friction pad, and the friction pad is in contact with the side of the support column (213).

6. The robot welding machine workbench according to claim 5, characterized in that: The splicing assembly (3) comprises a connecting slide plate (301), the two ends of which are slidably connected to the outer sides of different lifting bars (214). The splicing assembly (3) also comprises an arc-shaped plate (302) fixed to the surface of the lifting bar (214).

7. The robot welding machine workbench according to claim 6, characterized in that: The outer side of the arc plate (302) is slidably connected to a rocker (303), the interior of the arc plate (302) is provided with a limiting sliding groove (304), the limiting sliding groove (304) is slidably connected to a limiting slide plate (305), one side of the limiting slide plate (305) extends out of the inner side of the arc plate (302) and is fixedly connected to a semicircular plate (306), and one end of the rocker (303) extends into the arc plate (302) and is fixedly connected to the limiting slide plate (305).

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