CN108971723B - Special resistance welding machine for barbecue oven - Google Patents
Special resistance welding machine for barbecue oven Download PDFInfo
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- CN108971723B CN108971723B CN201810898702.4A CN201810898702A CN108971723B CN 108971723 B CN108971723 B CN 108971723B CN 201810898702 A CN201810898702 A CN 201810898702A CN 108971723 B CN108971723 B CN 108971723B
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- welding
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- 238000003466 welding Methods 0.000 title claims abstract description 128
- 235000021168 barbecue Nutrition 0.000 title claims abstract description 56
- 230000007246 mechanism Effects 0.000 claims abstract description 88
- 230000033001 locomotion Effects 0.000 claims abstract description 54
- 238000006073 displacement reaction Methods 0.000 claims abstract description 27
- 230000005540 biological transmission Effects 0.000 claims description 19
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 5
- 229910052802 copper Inorganic materials 0.000 claims description 5
- 239000010949 copper Substances 0.000 claims description 5
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 4
- 238000012423 maintenance Methods 0.000 description 4
- 238000000034 method Methods 0.000 description 4
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 150000002739 metals Chemical class 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000010438 heat treatment Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K11/00—Resistance welding; Severing by resistance heating
- B23K11/10—Spot welding; Stitch welding
- B23K11/11—Spot welding
- B23K11/115—Spot welding by means of two electrodes placed opposite one another on both sides of the welded parts
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Resistance Welding (AREA)
Abstract
The invention belongs to the technical field of resistance welding machines, and particularly relates to a special resistance welding machine for a barbecue oven. The welding machine comprises a frame, upper electrode mechanisms symmetrically arranged at two ends of the frame, and a workpiece mounting mechanism arranged in the middle of the frame and used for mounting a workpiece, wherein the upper electrode mechanisms comprise a plurality of spot welding heads and workpiece fixing plates; the workpiece mounting mechanism comprises a transverse sliding table which is symmetrically and movably arranged, and a plurality of lower spot welding blocks which are matched with the spot welding heads are arranged on the transverse sliding table; a transverse displacement mechanism is further arranged between the two transverse sliding tables, the transverse displacement mechanism comprises moving control rods which are respectively arranged on the transverse sliding tables, a transverse driving device is arranged between the two moving control rods, and the moving control rods can synchronously move towards two ends through the movement of the transverse driving device; the device also comprises a transverse tension spring arranged between the two transverse sliding tables. According to the invention, when the workpiece is machined, all welding points are machined at one time, so that the working efficiency and the accuracy are greatly improved.
Description
Technical Field
The invention belongs to the technical field of resistance welding machines, and particularly relates to a special resistance welding machine for a barbecue oven.
Background
The resistance welder (resistance welding machine) is a method of compressing a workpiece to be welded between two electrodes and applying an electric current to heat the workpiece to a molten or plastic state by using the resistive heating effect generated by the current flowing through the workpiece contact surface and adjacent areas to form a metallic bond.
Resistance welding is widely used and accepted in many fields, such as fields of household appliances, automobiles, precise parts and the like, but in some special fields, such as the field of barbecue ovens, general barbecue ovens are completed by welding a bottom plate which is punched by a middle piece and two side plates on the side together, when the barbecue ovens are processed, manual welding machines are needed to weld the barbecue ovens, and when the barbecue ovens are welded, many of the barbecue ovens are welded by experience of welders, for primary welding workers with insufficient experience, the structural strength of the barbecue ovens is insufficient due to the fact that welding methods are not right, welding positions are not right, the barbecue ovens are scrapped, and the barbecue ovens are time-consuming and labor-consuming, have high labor intensity and low efficiency, and are quite uneconomical for factory processing. Accordingly, the inventors have felt the need for improvements in the process of the barbecue oven field.
Disclosure of Invention
The invention aims to provide a special resistance welder for a barbecue oven, which is convenient to process and high in efficiency.
The purpose of the invention is realized in the following way:
the special resistance welder for the barbecue oven comprises a rack, upper electrode mechanisms symmetrically arranged at two ends of the rack, and a workpiece mounting mechanism arranged in the middle of the rack and used for mounting a workpiece, wherein the upper electrode mechanisms comprise a plurality of spot welding heads and workpiece fixing plates used for fixing the workpiece; the workpiece mounting mechanism comprises a transverse sliding table which is symmetrically and movably arranged, and a plurality of lower spot welding blocks which are matched with the spot welding heads are arranged on the transverse sliding table;
a transverse displacement mechanism is further arranged between the two transverse sliding tables, the transverse displacement mechanism comprises moving control rods which are respectively arranged on the transverse sliding tables, a transverse driving device is arranged between the two moving control rods, and the moving control rods can synchronously move towards two ends through the movement of the transverse driving device; the device also comprises a transverse tension spring arranged between the two transverse sliding tables.
Further, the upper electrode mechanism further comprises a main sliding table and a main sliding table power source, wherein the main sliding table is arranged on the frame in a sliding mode, the main sliding table power source is used for driving the main sliding table, the workpiece fixing plate is fixedly arranged at the front end of the main sliding table, the workpiece fixing plate is matched with the transverse sliding table, when the main sliding table power source drives the main sliding table, the workpiece fixing plate moves forwards and abuts against a workpiece on the transverse sliding table, and the workpiece is fixed.
Further, the transverse driving device comprises a transverse moving power source fixedly arranged below the frame, and a transverse moving pushing rod which reciprocates up and down is arranged on the transverse moving power source; the upper end part of the transverse pushing rod is also rotatably provided with a roller; the roller is arranged between the two movable control rods;
one end of the movable control rod is connected with the transverse sliding table, and the other end of the movable control rod is in contact fit with the roller, and the contact surface of the movable control rod and the roller is an inclined surface; when the transverse pushing rod moves upwards, the inclined plane changes the stress direction, so that the transverse sliding table transversely moves to two sides.
Further, two support frames are arranged on the transverse sliding table in a sliding mode, a longitudinal displacement mechanism for driving the support frames to move is arranged between the two support frames, a longitudinal tension spring is further arranged between the two support frames, and the spot welding block is arranged on the support frames.
Further, the longitudinal displacement mechanism comprises a longitudinal movement force source arranged at the bottom of the frame, a rack is arranged at the output end of the longitudinal movement force source, the rack is driven to reciprocate linearly through the longitudinal movement force source, a gear matched with the rack is arranged on the tooth surface of the rack, a transmission shaft is coaxially arranged at the upper end of the gear, the transmission shaft penetrates through the transverse sliding table, a longitudinal movement adjusting block is arranged at the top end of the transmission shaft and arranged between two support frames, the transmission shaft is rotated and drives the longitudinal movement adjusting block to rotate, and the support frames can slide towards two ends.
Further, the longitudinal movement adjusting block is an eccentric block, the two ends of the longitudinal movement adjusting block are provided with arc guide surfaces, and the guide surfaces on the longitudinal movement adjusting block can push the support frame to slide towards the two ends simultaneously by rotating the transmission shaft and driving the longitudinal movement adjusting block to rotate.
Furthermore, a plurality of spot welding heads are further arranged on the side wall of the main sliding table in a sliding mode, one end of each spot welding head is connected with a driving cylinder, and the spot welding heads are driven to do linear reciprocating motion through the driving cylinders.
Further, a transformer is arranged in the main sliding table, and the spot welding heads are connected with the transformer through soft copper bars; the main sliding table also comprises a control box.
Further, the main slipway is provided with a side spot welding mechanism in a sliding manner, the side spot welding mechanism comprises a side welding plate and a side welding plate power source for driving the side welding plate, side spot welding rods are arranged on the left side and the right side of the side welding plate, the middle parts of the side spot welding rods are hinged to the side welding plate, a side welding head is arranged at the front end of the side spot welding rod, a side welding cylinder is connected to the rear end of the side spot welding rod, and the side spot welding rod is driven to swing up and down around the hinged part of the middle parts of the side spot welding rod through up-and-down movement of the side welding cylinder.
Compared with the prior art, the invention has the following outstanding and beneficial technical effects:
1. the invention sets up the work piece installation mechanism to install the barbecue oven on the stander, the surface shape of the work piece installation mechanism is adapted to the shape in the trough of the barbecue oven, the barbecue oven to be processed can be installed above the work piece installation mechanism in a back-off way, the left and right sides of the work piece installation mechanism are provided with upper electrode mechanisms used for spot welding the barbecue oven, the upper electrode mechanisms are provided with a plurality of spot welding heads, the number of the spot welding heads is consistent with the number of the welding positions to be welded, and the working positions of the spot welding heads are just the points to be welded; therefore, the bottom plate and the two side plates of the barbecue oven are assembled together manually, the workpiece mounting mechanism is controlled to clamp the barbecue oven, the upper electrode mechanism is started to move, and the spot welding head on the upper electrode mechanism descends through the driving cylinder, so that metals at the contact positions of the bottom plate and the side plates of the barbecue oven are fused together, and all welding points are machined at one time, so that the working efficiency and the precision are greatly improved.
2. The clamping structure of the invention adopts a special clamping structure for the barbecue oven, so that the clamping structure can be suitable for barbecue ovens with various models and sizes, and therefore, the clamping mode of the workpiece mounting mechanism is an inner top type, the workpiece mounting mechanism expands outwards to prop against the four walls of the barbecue oven, and the workpiece fixing plates on two sides are assisted to prop against the two side plates of the barbecue oven from the outside, so that the stability of assembly and the clamping precision are ensured.
3. The workpiece mounting mechanism is divided into two ends which are symmetrically arranged on the transverse sliding table, the transverse sliding table can move in the transverse direction through the transverse displacement mechanism arranged in the middle of the transverse sliding table, the transverse displacement mechanism comprises a movable control rod connected with the transverse sliding table and a transverse driving device, the transverse driving device is arranged in the middle of the movable control rod, and the transverse sliding tables at the two ends can be simultaneously controlled to move outwards through the driving of the transverse driving device, so that the assembly error is reduced, the overall working performance of the machine is improved, the structure is simple, and the later maintenance and the maintenance are facilitated; the device also comprises a transverse tension spring arranged between the two transverse sliding tables, wherein the transverse tension spring provides a restoring force for the two transverse sliding tables, and the device is simple in principle and obvious in effect.
4. The transverse sliding table comprises an independent longitudinal displacement mechanism, so that two support frames on the transverse sliding table can move in the longitudinal direction, the support frames are propped against two narrow sides of the barbecue oven, and workpieces are clamped in place. The two support frames are electrically communicated through a copper bar; the driving device comprises a power source, the power source converts linear motion into rotary motion through a rack and pinion, the rotary motion of the pinion is transmitted to a longitudinal movement adjusting block at the other end of the transmission shaft through the transmission shaft, and finally the longitudinal movement adjusting block is used for driving the installation and the longitudinal movement; the longitudinal movement adjusting block comprises an eccentric wheel with a long shaft and a short shaft, the two support frames are inwards pressed onto the longitudinal movement adjusting block through the tensile force of a longitudinal tension spring, the longitudinal movement adjusting block is rotated, and the contact surface of the longitudinal movement adjusting block and the support frames is gradually rotated to the long shaft surface from the short shaft surface to push the support frames to move outwards to be propped against a workpiece.
5. The invention also installs the side spot welding mechanism on the main slipway, which is used for welding the convex edge of the barbecue oven, when in actual work, the upper welding head of the main slipway is operated, after the middle part of the barbecue oven is welded, the side spot welding mechanism is operated to weld the side, so that when all the points are welded at the same time, a space is reserved between the two welding points, and the joint of the bottom plate and the side plate of the barbecue oven has a gap, thereby affecting the tightness and the structural strength. And the side spot welding mechanism is slidable, so that the side spot welding mechanism can be moved back and forth according to the thickness of the side of the barbecue oven to perform multi-row and multi-point spot welding, and the integral strength is improved.
Drawings
Fig. 1 is a schematic diagram of the structure of the present invention.
FIG. 2 is a second schematic structural view of the present invention.
Fig. 3 is a schematic view of the structure of the removing frame of the present invention.
Fig. 4 is a schematic structural view of the workpiece mounting mechanism.
FIG. 5 is a schematic view of the oven installation.
Fig. 6 is a schematic view of a transverse slipway in the workpiece mounting mechanism.
Fig. 7 is a top view of the present invention.
Fig. 8 is a front view of the working portion of the upper electrode mechanism.
The meaning indicated by the reference numerals in the figures:
1-a frame; 2-an upper electrode mechanism; 3-a workpiece mounting mechanism; 4-spot welding heads; 6-spot welding blocks;
7-a lateral displacement mechanism; 8-moving the control lever; 9-a transverse driving device; 10-a transverse tension spring;
11-a transverse slipway; 12-supporting frames; 13-a longitudinal displacement mechanism; 14-a longitudinal tension spring; 15-a traversing power source;
16-traversing the push rod; 17-a roller; 18-a longitudinal movement force source; 19-a rack; 20-gear; 21-a transmission shaft;
22-a longitudinal shift adjustment block; 23-a main slipway; 24-driving a cylinder; 25-transformers; 26-soft copper bars;
27-a control box; 28-side spot welding mechanism; 29-side welding plates; 30-a side welding plate power source 31-a side welding rod;
32-side welding heads; 33-side welding cylinder; 34-a workpiece fixing plate; 35-a main slipway power source; 40-barbecue oven.
Detailed Description
The invention is further described with reference to the following specific examples:
the special resistance welder for the barbecue oven comprises a frame 1, an upper electrode mechanism 2 symmetrically arranged at two ends of the frame 1 and a workpiece mounting mechanism 3 arranged in the middle of the frame 1 and used for mounting a workpiece, wherein the upper electrode mechanism 2 comprises a plurality of spot welding heads 4 and a workpiece fixing plate 34 used for fixing the workpiece; the workpiece mounting mechanism 3 comprises a transverse sliding table 11 which is symmetrically and movably arranged, and a plurality of lower spot welding blocks 6 which are matched with the spot welding heads 4 are arranged on the transverse sliding table 11.
A transverse displacement mechanism 7 is further arranged between the two transverse sliding tables 11, the transverse displacement mechanism 7 comprises moving control rods 8 which are respectively arranged on the transverse sliding tables 11, a transverse driving device 9 is arranged between the two moving control rods 8, and the moving control rods 8 can synchronously move towards two ends through the movement of the transverse driving device 9; and the transverse tension spring 10 is arranged between the two transverse sliding tables 11.
The invention sets up the work piece mounting mechanism 3 to mount the barbecue oven 40 on the stander 1, the surface shape of the work piece mounting mechanism is adapted to the shape in the trough of the barbecue oven 40, the barbecue oven 40 to be processed can be installed above the work piece mounting mechanism 3 in a back-off way, the left and right sides of the work piece mounting mechanism 3 are provided with the upper electrode mechanism 2 used for spot welding the barbecue oven 40, the upper electrode mechanism 2 has a plurality of spot welding heads 4, the number of spot welding heads 4 is consistent with the number of the welded parts to be welded, and the working positions of the spot welding heads 4 are just the points to be welded; therefore, the bottom plate and the two side plates of the barbecue oven 40 are assembled together manually, the workpiece mounting mechanism 3 is controlled to clamp the workpiece mounting mechanism, the upper electrode mechanism 2 is started to move, the spot welding head 4 on the upper electrode mechanism 2 descends through the driving cylinder 24, the metals at the contact position of the bottom plate and the side plates of the barbecue oven 40 are fused together, and all welding points are machined at one time, so that the working efficiency and the precision are greatly improved.
Preferably, the upper electrode mechanism 2 further includes a main sliding table 23 slidably disposed on the frame 1 and a main sliding table power source 35 for driving the main sliding table 23, the workpiece fixing plate 34 is fixedly disposed at a front end of the main sliding table 23, the workpiece fixing plate 34 is matched with the transverse sliding table 11, and when the main sliding table power source 35 drives the main sliding table 23, the workpiece fixing plate 34 moves forward and abuts the workpiece on the transverse sliding table 11 to fix the workpiece.
Preferably, the transverse driving device 9 comprises a transverse moving power source 15 fixedly arranged below the frame 1, a transverse moving pushing rod 16 which reciprocates up and down is arranged on the transverse moving power source 15, and a roller 17 is rotatably arranged at the upper end part of the transverse moving pushing rod 16; the roller 17 is mounted between the two movement levers 8.
One end of the movable control rod 8 is connected with the transverse sliding table 11, and the other end of the movable control rod is in contact fit with the roller 17, and the contact surface of the movable control rod and the roller 17 is an inclined surface; when the traversing pushing rod 16 moves upwards, the inclined surface changes the stress direction, so that the traversing sliding table 11 traverses towards two sides.
The workpiece mounting mechanism is divided into two ends which are symmetrically arranged on the transverse sliding table 11, the transverse sliding table 11 can move in the transverse direction through the transverse displacement mechanism 7 arranged in the middle of the workpiece mounting mechanism, the transverse displacement mechanism 7 comprises a moving control rod 8 connected with the transverse sliding table 11 and a transverse driving device 9, the transverse driving device 9 is arranged in the middle of the moving control rod 8, the transverse sliding tables 11 at the two ends can be simultaneously controlled to move outwards through the driving of the transverse driving device, the assembly error is reduced, the integral working performance of the machine is improved, the structure is simple, and the later maintenance and the maintenance are convenient; the device also comprises a transverse tension spring 10 arranged between the two transverse sliding tables 11, wherein the transverse tension spring 10 provides a restoring force for the two transverse sliding tables 11, and the device is simple in principle and obvious in effect.
Preferably, two support frames 12 are slidably arranged on the transverse sliding table 11, a longitudinal displacement mechanism 13 for driving the support frames 12 to move is arranged between the two support frames 12, a longitudinal tension spring 14 is further arranged between the two support frames 12, and the spot welding block 6 is arranged on the support frames 12.
The clamping structure of the invention adopts a special clamping structure for the barbecue oven 40, so that the clamping structure can be adapted to barbecue ovens 40 with various models and various sizes, and therefore, the clamping mode of the workpiece mounting mechanism is an inner top type, the workpiece mounting mechanism 3 expands outwards to prop against four walls of the barbecue oven 40, and the workpiece fixing plates 34 on two sides are assisted to prop against two side plates of the barbecue oven from outside, so that the stability of assembly and the clamping precision are ensured.
Preferably, the longitudinal displacement mechanism 13 includes a longitudinal displacement power source 18 disposed at the bottom of the frame 1, a rack 19 is mounted at an output end of the longitudinal displacement power source 18, the rack 19 is driven to reciprocate linearly by the longitudinal displacement power source 18, a gear 20 adapted to the rack 19 is mounted on a tooth surface of the rack 19, a transmission shaft 21 is coaxially disposed at an upper end of the gear 20, the transmission shaft 21 penetrates through the transverse sliding table 11, a longitudinal displacement adjusting block 22 is disposed at a top end of the transmission shaft 21, and the longitudinal displacement adjusting block 22 is disposed between the two supporting frames 12.
Preferably, the longitudinal movement adjusting block 22 is an eccentric block, and the two ends of the longitudinal movement adjusting block 22 are formed with arc guiding surfaces, and the guiding surfaces on the longitudinal movement adjusting block 22 can push the support frame 12 to slide towards the two ends simultaneously by rotating the transmission shaft 21 and driving the longitudinal movement adjusting block 22 to rotate.
The transverse sliding table 11 comprises an independent longitudinal displacement mechanism 13, so that two supporting frames 12 on the transverse sliding table 11 can move in the longitudinal direction, the supporting frames 12 are propped against two narrow sides of the barbecue oven 40, and workpieces are clamped in place. The driving device comprises a power source, wherein the power source converts linear motion into rotary motion through a rack 19 and a gear 20, the rotary motion of the gear 20 is transmitted to a longitudinal movement adjusting block 22 at the other end of the transmission shaft 21 through the transmission shaft 21, and finally the longitudinal movement adjusting block 22 is used for driving the installation and the longitudinal movement; the longitudinal movement adjusting block 22 comprises a long shaft and a short shaft which are similar to ellipses, the longitudinal movement adjusting block 22 is rotated, and the contact surface of the longitudinal movement adjusting block 22 and the mounting frame gradually rotates from the short shaft surface to the long shaft surface to push the mounting frame to move outwards and prop against a workpiece; a longitudinal tension spring 14 is also included.
Preferably, the upper electrode mechanism 2 further comprises a main sliding table 23 slidably arranged on the frame 1 and a main sliding table power source 35 for driving the main sliding table 23, a plurality of spot welding heads 4 are slidably arranged on the side wall of the main sliding table 23, one end of each spot welding head 4 is connected with a driving cylinder 24, and the spot welding heads 4 are driven to do linear reciprocating motion through the driving cylinders 24.
Preferably, a transformer 25 is further disposed in the main sliding table 23, and the spot welding heads 4 are all connected with the transformer 25 through soft copper bars 26; the main slipway 23 also comprises a control box 27.
Preferably, the main sliding table 23 is further provided with a side spot welding mechanism 28 in a sliding manner, the side spot welding mechanism 28 comprises a side welding plate 29 and a side welding plate power source 30 for driving the side welding plate 29, side spot welding rods 31 are arranged on the left side and the right side of the side welding plate 29, the middle part of each side spot welding rod 31 is hinged to the side welding plate 29, a side welding head 32 is arranged at the front end of each side spot welding rod, a side welding cylinder 33 is connected to the rear end of each side spot welding rod, and the side spot welding rods 31 are driven to swing up and down around the hinged part of the middle part of each side spot welding rod through up-and-down movement of the side welding cylinder 33.
The invention is also provided with the side spot welding mechanism 28 on the main sliding table 23, which is used for welding the convex edge of the barbecue oven 40, when in actual work, the upper spot welding head 4 of the main sliding table 23 is operated firstly, after the middle parts of the two sides of the barbecue oven 40 are welded, the side spot welding mechanism 28 is operated again to weld the sides, so that when all the points are welded at the same time, a space is reserved between the two welding points, and the joint of the bottom plate and the side plate of the barbecue oven is provided with a gap, thereby influencing the tightness and the structural strength of the barbecue oven. And the side spot welding mechanism 28 is slidable, so that the side spot welding mechanism can be moved back and forth according to the thickness of the side of the barbecue oven to perform multi-row and multi-point spot welding, thereby improving the overall strength.
The above embodiments are only preferred embodiments of the present invention, and are not intended to limit the scope of the present invention in this way, therefore: all equivalent changes in structure, shape and principle of the invention should be covered in the scope of protection of the invention.
Claims (8)
1. A special resistance welder of oven, its characterized in that: the spot welding machine comprises a frame (1), upper electrode mechanisms (2) symmetrically arranged at two ends of the frame (1) and a workpiece mounting mechanism (3) arranged in the middle of the frame (1) and used for mounting a workpiece, wherein the upper electrode mechanisms (2) comprise a plurality of spot welding heads (4) and workpiece fixing plates (34) used for fixing the workpiece; the workpiece mounting mechanism (3) comprises a transverse sliding table (11) which is symmetrically and movably arranged, and a plurality of lower spot welding blocks (6) which are matched with the spot welding heads (4) are arranged on the transverse sliding table (11);
a transverse displacement mechanism (7) is further arranged between the two transverse sliding tables (11), the transverse displacement mechanism (7) comprises moving control rods (8) which are respectively arranged on the transverse sliding tables (11), a transverse driving device (9) is arranged between the two moving control rods (8), and the moving control rods (8) can synchronously move towards two ends through the movement of the transverse driving device (9); the device also comprises a transverse tension spring (10) arranged between the two transverse sliding tables (11);
two support frames (12) are arranged on the transverse sliding table (11) in a sliding mode, a longitudinal displacement mechanism (13) for driving the support frames (12) to move is arranged between the two support frames (12), and the spot welding blocks (6) are arranged on the support frames (12);
the upper electrode mechanism (2) further comprises a main sliding table (23) arranged on the frame (1) in a sliding manner and a main sliding table power source (35) for driving the main sliding table (23), the workpiece fixing plate (34) is fixedly arranged at the front end of the main sliding table (23), the workpiece fixing plate (34) is matched with the transverse sliding table (11), when the main sliding table power source (35) drives the main sliding table (23), the workpiece fixing plate (34) moves forwards and abuts against a workpiece on the transverse sliding table (11) to fix the workpiece.
2. The resistance welder special for barbecue ovens of claim 1, wherein: the transverse driving device (9) comprises a transverse moving power source (15) fixedly arranged below the frame (1), and a transverse moving pushing rod (16) which reciprocates up and down is arranged on the transverse moving power source (15); the upper end part of the transverse pushing rod (16) is also rotatably provided with a roller (17); the roller (17) is arranged between the two movable control rods (8);
one end of the movable control rod (8) is connected with the transverse sliding table (11), and the other end of the movable control rod is in contact fit with the roller (17) and the contact surface of the movable control rod and the roller (17) is an inclined surface; when the traverse pushing rod (16) moves upwards, the stress direction is changed through the inclined plane, so that the traverse sliding table (11) traverses towards two sides.
3. The resistance welder special for barbecue ovens of claim 1, wherein: a longitudinal tension spring (14) is also arranged between the two supporting frames (12).
4. A special resistance welder for barbecue ovens according to claim 3, characterized in that: the vertical displacement mechanism (13) comprises a vertical movement power source (18) arranged at the bottom of the frame (1), a rack (19) is arranged at the output end of the vertical movement power source (18), the rack (19) is driven to reciprocate linearly through the vertical movement power source (18), a gear (20) matched with the rack (19) is arranged on the tooth surface of the rack (19), a transmission shaft (21) is coaxially arranged at the upper end of the gear (20), the transmission shaft (21) penetrates through the transverse sliding table (11), a vertical movement adjusting block (22) is arranged at the top end of the transmission shaft (21), the vertical movement adjusting block (22) is arranged between the two support frames (12), the transmission shaft (21) is rotated and the vertical movement adjusting block (22) is driven to rotate, and the support frames (12) can slide towards the two ends.
5. The resistance welder special for barbecue ovens of claim 4, wherein: the longitudinal movement adjusting block (22) is an eccentric block, the two ends of the longitudinal movement adjusting block (22) are provided with arc guide surfaces, and the guide surfaces on the longitudinal movement adjusting block (22) can push the support frame (12) to slide towards the two ends simultaneously by rotating the transmission shaft (21) and driving the longitudinal movement adjusting block (22) to rotate.
6. The resistance welder special for barbecue ovens of claim 1, wherein: a plurality of spot welding heads (4) are further arranged on the side wall of the main sliding table (23) in a sliding mode, one end of each spot welding head (4) is connected with a driving cylinder (24), and the spot welding heads (4) are driven to do linear reciprocating motion through the driving cylinders (24).
7. The resistance welder special for barbecue ovens of claim 6, wherein: a transformer (25) is further arranged in the main sliding table (23), and the spot welding heads (4) are connected with the transformer (25) through soft copper bars (26); the main sliding table (23) also comprises a control box (27).
8. The special resistance welder for barbecue ovens according to claim 1 or 6, wherein: the side spot welding mechanism (28) is further arranged on the main sliding table (23) in a sliding mode, the side spot welding mechanism (28) comprises a side welding plate (29) and a side welding plate power source (30) for driving the side welding plate (29), side spot welding rods (31) are arranged on the left side and the right side of the side welding plate (29), the middle of each side spot welding rod (31) is hinged to the side welding plate (29), a side welding head (32) is arranged at the front end of each side spot welding rod, a side welding cylinder (33) is connected to the rear end of each side spot welding rod, and the side spot welding rods (31) are driven to swing up and down around the hinged portion of the middle of each side spot welding rod through up-and-down movement of the side welding cylinders (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898702.4A CN108971723B (en) | 2018-08-08 | 2018-08-08 | Special resistance welding machine for barbecue oven |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810898702.4A CN108971723B (en) | 2018-08-08 | 2018-08-08 | Special resistance welding machine for barbecue oven |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108971723A CN108971723A (en) | 2018-12-11 |
| CN108971723B true CN108971723B (en) | 2023-12-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810898702.4A Active CN108971723B (en) | 2018-08-08 | 2018-08-08 | Special resistance welding machine for barbecue oven |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110303230B (en) * | 2019-08-01 | 2024-06-25 | 蚌埠液力机械有限公司 | Resistance welder for welding balance weight on inclined plane of torque converter shell |
| CN114669828B (en) * | 2021-12-27 | 2023-09-26 | 浙江尤恩智能科技有限公司 | Fork truck portal welding equipment |
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| CN106944950A (en) * | 2017-02-27 | 2017-07-14 | 东莞市秦智工业设计有限公司 | A kind of assembly fixture |
| CN107953057A (en) * | 2017-12-27 | 2018-04-24 | 江门市志盛自动化焊接设备有限公司 | A kind of four side fillet welding fixtures for sink |
| CN207373710U (en) * | 2017-10-31 | 2018-05-18 | 济南辰禾机器有限公司 | Four-corner welding machine for welding plastic doors and windows |
| CN208879909U (en) * | 2018-08-08 | 2019-05-21 | 浙江众焊联科技有限公司 | A kind of oven Special resistance welding machine |
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2018
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| DD223657A1 (en) * | 1984-05-22 | 1985-06-19 | Elektrodyn Berlin Veb | AUTOMATIC MULTIPLE WELDING DEVICE |
| DE4203056A1 (en) * | 1992-02-04 | 1993-08-05 | Bayerische Motoren Werke Ag | Welding unit for multi spot welding machines - with current transmitted to electrode housing directly from unit holding structure |
| CN2383615Y (en) * | 1999-08-02 | 2000-06-21 | 大连奥托技术有限公司 | Top covered automatic spot welder |
| CN202910448U (en) * | 2012-11-07 | 2013-05-01 | 浙江弘道科技有限公司 | Point welding device |
| KR101717539B1 (en) * | 2015-10-29 | 2017-03-17 | 라성산업 주식회사 | Spot welding apparatus for frame for transporting box |
| CN106944950A (en) * | 2017-02-27 | 2017-07-14 | 东莞市秦智工业设计有限公司 | A kind of assembly fixture |
| CN207373710U (en) * | 2017-10-31 | 2018-05-18 | 济南辰禾机器有限公司 | Four-corner welding machine for welding plastic doors and windows |
| CN107953057A (en) * | 2017-12-27 | 2018-04-24 | 江门市志盛自动化焊接设备有限公司 | A kind of four side fillet welding fixtures for sink |
| CN208879909U (en) * | 2018-08-08 | 2019-05-21 | 浙江众焊联科技有限公司 | A kind of oven Special resistance welding machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN108971723A (en) | 2018-12-11 |
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