Improved welding machine

Abstract

The utility model relates to an improved welding machine which comprises a center disc and a plurality of welding gun devices, the welding gun devices are annularly arranged on the center disc at intervals, the welding gun devices are arranged on the center disc in a sliding and adjusting mode in the circumferential direction of the center disc, and an inner roller seat and an outer roller seat are arranged on a fixing seat at intervals. A first roller and a second roller are vertically and rotationally arranged on the inner roller seat and the outer roller seat respectively, a guide receding groove is formed in the position, corresponding to the inner roller seat, of the center disc, the inner roller seat extends upwards to the top face of the center disc through the guide receding groove, and the outer roller seat is located on the outer edge of the center disc. Compared with an existing welding gun device, the welding gun device is firmly locked on the center disc, the welding gun device moves on the center disc through a plurality of idler wheels, the idler wheels are matched with the center disc in a positioning and supporting mode, and then locking bolts penetrate through the adjusting arc-shaped grooves downwards and are in threaded connection with the screw holes of the fixing base. Therefore, the welding gun device is locked on the central disc.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of compressor shell and pump body's welding device, especially relates to an improved welding machine. BACKGROUND

[0002] The existing compressor shell and pump body's welding device is used for quickly welding the compressor semi-finished product on the conveying line, which comprises a welding machine (such as Figures 1 to 4 As shown in the figure), a conveying line, a compressor jacking mechanism, the conveying line passes through the welding machine, the conveying line is located directly below the welding machine, the compressor jacking mechanism is located directly below the conveying line, and the compressor jacking mechanism is used to jacking the compressor semi-finished product on the conveying line into the welding machine, and then the welding machine is used to weld the compressor semi-finished product, welding slag is generated during the welding process of the welding machine, and the welding slag falls on the conveying line and the compressor jacking mechanism, so that the middle part of the welding machine is provided with two huge slag-blocking support baffles that can be folded closed or opened, the conveying line and the compressor jacking mechanism are located directly below the slag-blocking support baffles, and the welding machine is located directly above the slag-blocking support baffles, when the welding machine is used to weld the compressor semi-finished product, the slag-blocking support baffles are closed, and most of the welding slag is caught by the slag-blocking support baffles.

[0003] A plurality of welding gun devices are arranged in an annular interval on the side surface of the central seat, screw holes are formed in the seat body of the welding gun device, bolts are threadedly connected with the screw holes and pass through the screw holes, the screw rod end of the bolt abuts against the side surface of the central seat, so that the position of the welding gun device is locked, and the above-mentioned locking mode only relies on the abutment of the bolt, so that the locking is not firm. UTILITY MODEL CONTENTS

[0004] The utility model aims at providing an improved welding machine with firm locking of the welding gun device.

[0005] The utility model is characterized in that:

[0006] The utility model provides a kind of improved welding machine, including center disc and multiple welding gun device, multiple welding gun device annular interval is arranged on center disc, multiple welding gun device is adjusted along the circumferential direction of center disc and is arranged on center disc, welding gun device is equipped with fixed seat, fixed seat is equipped with inner roller seat and outer roller seat interval, inner roller seat and outer roller seat are vertically rotated respectively and equipped with first roller and second roller, center disc is equipped with the position corresponding to inner roller seat and is equipped with guide accommodation slot, inner roller seat is stretched to the top surface of center disc by guide accommodation slot, outer roller seat is located the outer edge of center disc, there is gap between the top surface of fixed seat and first roller, there is gap between the top surface of fixed seat and second roller, center disc is located between the top surface of fixed seat and first roller, between the top surface of fixed seat and second roller, the surface of first roller, the surface of second roller are all with the top surface of center disc, center disc is equipped with adjusting arc slot along the circumferential direction of center disc, adjusting arc slot is equipped with locking bolt, locking bolt passes adjusting arc slot downwards, and is connected with the screw hole of fixed seat with screw thread.

[0007] The utility model can be further improved as follows.

[0008] The top surface of fixed seat is horizontally rotated and equipped with third roller and fourth roller, third roller is located in guide accommodation slot, and is in abutment with the inner side wall of guide accommodation slot, fourth roller is located on the outside of center disc, and is in abutment with the outer edge of center disc.

[0009] The adjusting arc slot is located on the top surface of center disc between inner roller seat and outer roller seat.

[0010] The guide accommodation slot and the adjusting arc slot are in the shape of a circular arc.

[0011] The bottom of center disc is slidably provided with a pressing plate, and the rack is provided with a pressing cylinder, and the cylinder rod of the pressing cylinder is fixedly connected with the pressing plate.

[0012] The utility model has the following advantages:

[0013] Compared with the existing welding gun device, the welding gun device of the utility model is firmly locked on the center disc, the welding gun device of the utility model is movably arranged on the center disc by multiple rollers, the multiple rollers are positioned and supported in cooperation with the center disc, then the locking bolt passes through the adjusting arc slot downwards, and is connected with the screw hole of the fixed seat with screw thread, so as to realize the locking of the welding gun device on the center disc. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1It is the structure diagram of the improved welding machine of the welding device of the compressor shell and the pump body.

[0015] Figure 2 It is the structure diagram of another angle of the improved welding machine of the welding device of the compressor shell and the pump body.

[0016] Figure 3 It is Figure 2 The enlarged view of A in the figure.

[0017] Figure 4 It is Figure 2 The enlarged view of B in the figure.

[0018] Figure 5 It is the structure diagram of the welding device of the compressor shell and the pump body.

[0019] Figure 6 It is the structure diagram of another angle of the welding device of the compressor shell and the pump body.

[0020] Figure 7 It is the structure diagram of the improved welding machine.

[0021] Figure 8 It is the structure diagram of another angle of the improved welding machine.

[0022] Figure 9 It is the top view of the improved welding machine.

[0023] Figure 10 It is Figure 9 The sectional view of A-A in the figure.

[0024] Figure 11 It is the structure diagram of the welding gun device.

[0025] Figure 12 It is the structure diagram of another angle of the welding gun device.

[0026] Figure 13 It is the structure diagram of the welding gun device after omitting the fixing seat and the welding gun translation air cylinder.

[0027] Figure 14 It is the structure diagram of another angle of the welding gun device after omitting the fixing seat and the welding gun translation air cylinder.

[0028] Figure 15 It is the side view of the welding gun device after omitting the fixing seat and the welding gun translation air cylinder.

[0029] Figure 16 It is Figure 15 The sectional view of B-B in the figure.

[0030] Figure 17 yes Figure 15 Sectional view at point CC.

[0031] Figure 18 This is an exploded view of the welding torch device of this utility model, omitting the fixed base and the welding torch translation cylinder.

[0032] Figure 19 This is a schematic diagram of the left-right and up-down adjustable slider of this utility model.

[0033] Figure 20 This is a schematic diagram of the left-right and up-down adjustable slider of this utility model at another angle.

[0034] Figure 21 This is a schematic diagram of the slag-blocking mechanism of this utility model when it is in the open state.

[0035] Figure 22 This is a schematic diagram of the slag-blocking mechanism of this utility model from another angle when it is in the open state.

[0036] Figure 23 This is a schematic diagram of the slag-blocking mechanism of this utility model when it is in the closed state.

[0037] Figure 24 This is a schematic diagram of the slag-blocking mechanism of this utility model when it is in the closed state from another angle.

[0038] Figure 25 This is a schematic diagram of the compressor lifting mechanism of this utility model.

[0039] Figure 26 This is a structural schematic diagram of the compressor lifting mechanism of this utility model from another angle. Detailed Implementation

[0040] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0041] The present invention will be further described below with reference to the accompanying drawings and embodiments.

[0042] Example 1, as Figures 1 to 26 As shown, a welding device for a compressor housing and a pump body includes a frame 1;

[0043] Improve the welding machine 2, which is hoisted on the frame 1 and used for welding the compressor semi-finished product 9;

[0044] The slag-blocking mechanism 5 is mounted on the frame 1 and located below the improved welding machine 2, and is used to catch the welding slag.

[0045] A conveying line 3 is arranged below the frame 1 and used for conveying the compressor semi-finished product 9 to the compressor jacking mechanism 4;

[0046] The compressor jacking mechanism 4 is arranged at the bottom of the frame 1 and used for jacking the compressor semi-finished product 9 on the conveying line 3 to the improved welding machine 2.

[0047] The frame 1 is provided with a supporting baffle 50, the supporting baffle 50 is provided with a feeding port 54 corresponding to the compressor jacking mechanism 4, the slag blocking mechanism 5 is arranged on the supporting baffle 50, the improved welding machine 2 is located directly above the feeding port 54, and the conveying line 3 is located below the supporting baffle 50.

[0048] The conveying line 3 is a prior art, and its structure and working principle are not described in detail here.

[0049] As a more specific technical scheme of the utility model.

[0050] The compressor jacking mechanism 4 comprises a supporting seat 40, a lifting motor 41, a lifting sliding seat 43, a lifting screw rod 42, a nut block 45 and a jacking seat 44, the lifting screw rod 42 is vertically rotatably arranged on the supporting seat 40, the lifting motor 41 is arranged on the supporting seat 40 and drives the lifting screw rod 42 to rotate, the lifting screw rod 42 is threadedly connected with the nut block 45, the nut block 45 is fixedly connected with the lifting sliding seat 43, the lifting sliding seat 43 is slidably arranged on the supporting seat 40, the jacking seat 44 is arranged on the lifting sliding seat 43, and the lifting screw rod 42 is arranged in a staggered mode with the feeding port 54.

[0051] The jacking seat 44 is provided with a positioning pin and used for positioning the compressor semi-finished product.

[0052] The slag blocking mechanism 5 comprises a first slag blocking assembly 51 and a second slag blocking assembly 52, the first slag blocking assembly 51 and the second slag blocking assembly 52 are symmetrically arranged on both sides of the feeding port 54, the first slag blocking assembly 51 comprises a slag blocking translation air cylinder 55, a translation seat 57 and an upper slag blocking plate 58, the translation seat 57 is horizontally slidably arranged on the supporting baffle 50, the slag blocking translation air cylinder 55 is arranged on the supporting baffle 50 and drives the translation seat 57 to horizontally slide, and the upper slag blocking plate 58 is arranged on the translation seat 57 and is provided with an avoiding opening 53.

[0053] The upper slag blocking plate 58 is horizontally slidably arranged on the top surface of the supporting baffle 50.

[0054] The avoiding opening 53 is smaller than the feeding port 54.

[0055] The bottom surface of the supporting baffle 50 is provided with a lower slag blocking plate 56 around the feeding port 54.

[0056] The lower slag blocking plate 56 is vertically arranged on the bottom surface of the supporting baffle 50.

[0057] The welding machine 2 is hoisted on the frame 1.

[0058] The improved welding machine 2 comprises a center disc 7 and a plurality of welding gun devices 6, the plurality of welding gun devices 6 are arranged in a ring shape and are spaced apart on the center disc 7, the plurality of welding gun devices 6 are arranged on the center disc 7 and are adjusted to slide along the circumferential direction of the center disc 7, the welding gun device 6 is provided with a fixing seat 61, the fixing seat 61 is provided with an inner roller seat 75 and an outer roller seat 74 which are spaced apart, the inner roller seat 75 and the outer roller seat 74 are respectively provided with a first roller 77 and a second roller 78 which are vertically arranged and rotate, the center disc 7 is provided with a guide accommodation groove 72 which is arranged at a position corresponding to the inner roller seat 75, the inner roller seat 75 is extended upwards to the top surface of the center disc 7 through the guide accommodation groove 72, the outer roller seat 74 is located at the outer edge of the center disc 7, there is a gap between the top surface of the fixing seat 61 and the first roller 77, there is a gap between the top surface of the fixing seat 61 and the second roller 78, the center disc 7 is located between the top surface of the fixing seat 61 and the first roller 77 and between the top surface of the fixing seat 61 and the second roller 78, the surface of the first roller 77 and the surface of the second roller 78 are in abutment with the top surface of the center disc 7. The center disc 7 is provided with an adjusting arc-shaped groove 71 along the circumferential direction of the center disc 7, the adjusting arc-shaped groove 71 is provided with a locking bolt 73, the locking bolt 73 is downwardly penetrated through the adjusting arc-shaped groove 71 and is threadedly connected with a threaded hole of the fixing seat 61.

[0059] The top surface of the fixing seat 61 is horizontally provided with a third roller 79 and a fourth roller 710, the third roller 79 is located in the guide accommodation groove 72 and is in abutment with the inner side wall of the guide accommodation groove, the fourth roller 710 is located at the outer side of the center disc 7 and is in abutment with the outer edge of the center disc 7.

[0060] When the worker adjusts the position of the welding gun device on the center disc, the worker first loosens the locking bolt to unlock the welding gun device, then the worker can rotate the fixing seat of the welding gun device, the inner roller seat 75 and the outer roller seat 74 rotate in the guide accommodation groove 72 of the center disc 7 and at the outer edge of the center disc 7 respectively, the first roller 77 and the second roller 78 roll on the top surface of the center disc 7, the third roller 79 rotates in the guide accommodation groove 72, and the fourth roller 710 rolls on the side surface of the center disc 7, the welding gun device rotates around the center of the center disc, and when the worker adjusts the position of the welding gun device, the worker locks the locking bolt again.

[0061] The adjusting arc-shaped groove 71 is located on the top surface of the center disc between the inner roller seat 75 and the outer roller seat 74.

[0062] The guide accommodation groove 72 and the adjusting arc-shaped groove 71 are in a circular arc shape.

[0063] The bottom of the center disc 7 is provided with a pressing plate 76 which is arranged to slide up and down, the frame 1 is provided with a pressing cylinder 721, and the cylinder rod of the pressing cylinder 721 is fixedly connected with the pressing plate 76.

[0064] The welding torch device 6 comprises the fixed seat, the seat body 62, the welding torch translation cylinder 63, the left-right adjusting screw rod 68, the left-right adjusting seat 64, the up-down adjusting screw rod 67, the up-down adjusting sliding seat 65, the left-right up-down adjusting sliding block 611, the front-rear adjusting screw rod 69, the front-rear adjusting sliding seat 66, the front-rear adjusting sliding block 614, and the welding torch 610. The seat body 62 is horizontally slidably arranged on the fixed seat 61. The welding torch translation cylinder 63 is arranged on the fixed seat 61 and drives the seat body 62 to horizontally slide. The left-right adjusting seat is fixed on the seat body 62. The left-right adjusting screw rod 68 is horizontally arranged on the left-right adjusting seat and is threadedly connected with the left-right up-down adjusting sliding block 611. The up-down adjusting screw rod 67 is vertically arranged on the up-down adjusting sliding seat 65 and is threadedly connected with the left-right up-down adjusting sliding block 611. The left-right up-down adjusting sliding block 611 is horizontally slidably arranged on the left-right adjusting seat. The up-down adjusting sliding seat 65 is vertically slidably arranged on the left-right up-down adjusting sliding block 611. The front-rear adjusting sliding block 614 is fixedly connected with the bottom of the up-down adjusting sliding seat 65. The front-rear adjusting sliding seat 66 is horizontally slidably arranged on the front-rear adjusting sliding block 614. The front-rear adjusting screw rod 69 is horizontally arranged on the front-rear adjusting sliding seat 66 and is threadedly connected with the front-rear adjusting sliding block 614. The welding torch 610 is arranged on the front-rear adjusting sliding seat 66. The end of the left-right adjusting screw rod 68, the up-down adjusting screw rod 67, and the front-rear adjusting screw rod 69 is provided with an adjusting knob, which facilitates workers to adjust the position of the welding torch.

[0065] When the worker wants to adjust the left-right position of the welding torch, the worker only needs to rotate the adjusting knob of the left-right adjusting screw rod. The left-right adjusting screw rod rotates, and, due to the thread cooperation, the left-right adjusting screw rod rotation will drive the left-right up-down adjusting sliding block 611, the up-down adjusting sliding seat 65, the front-rear adjusting sliding seat 66, and the welding torch to slide left-right relative to the left-right adjusting seat.

[0066] When the worker wants to adjust the height position of the welding torch, the worker only needs to rotate the adjusting knob of the up-down adjusting screw rod. Due to the thread cooperation, the up-down adjusting screw rod itself will rise and fall, and the up-down adjusting screw rod will drive the up-down adjusting sliding seat 65, the front-rear adjusting sliding seat 66, and the welding torch to slide up-down relative to the left-right up-down adjusting sliding block 611.

[0067] When the worker wants to adjust the front-rear position of the welding torch, the worker only needs to rotate the adjusting knob of the front-rear adjusting screw rod. Due to the thread cooperation, the front-rear adjusting screw rod itself will move front-rear, and the front-rear adjusting screw rod will drive the front-rear adjusting sliding seat 66 and the welding torch to slide front-rear relative to the front-rear adjusting sliding block 614.

[0068] The left-right up-down adjusting sliding block 611 is internally provided with the up-down adjusting nut block 612 and the left-right adjusting nut block 613. The up-down adjusting screw rod 67 penetrates through the left-right up-down adjusting sliding block 611 and is threadedly connected with the up-down adjusting nut block 612. The left-right adjusting screw rod 68 penetrates through the left-right up-down adjusting sliding block 611 and is threadedly connected with the left-right adjusting nut block 613.

[0069] The left-right-up-down adjusting slider 611 is provided with a containing groove 624, and the up-down adjusting nut block 612 and the left-right adjusting nut block 613 are arranged in the containing groove 624.

[0070] The front-rear adjusting slider 614 is provided with a front-rear adjusting nut block 615, and the front-rear adjusting screw rod 69 penetrates the front-rear adjusting slider and is in threaded connection with the front-rear adjusting nut block 615.

[0071] The front face and the rear face of the left-right-up-down adjusting slider 611 are respectively covered by a front cover plate 616 and a rear cover plate 617, the containing groove 624 penetrates the front face and the rear face of the left-right-up-down adjusting slider 611, the front part and the rear part of the containing groove 624 are open, and the front cover plate 616 and the rear cover plate 617 cover the front part and the rear part of the containing groove 624 respectively.

[0072] The front face of the left-right-up-down adjusting slider 611 is provided with a front connecting screw hole 620, the front cover plate 616 is provided with a front connecting through hole 622 and a front connecting bolt, the front connecting bolt penetrates the front connecting through hole 622 and is in threaded connection with the front connecting screw hole 620, the front cover plate 616 abuts against the front face of the left-right-up-down adjusting slider 611, the rear face of the left-right-up-down adjusting slider 611 is provided with a rear connecting screw hole 621, the rear cover plate 617 is provided with a rear connecting through hole 623 and a rear connecting bolt, the rear connecting bolt penetrates the rear connecting through hole 623 and is in threaded connection with the rear connecting screw hole 621, and the rear cover plate 617 abuts against the rear face of the left-right-up-down adjusting slider 611.

[0073] The containing groove 624 comprises a first cavity 618 and a second cavity 619 which are arranged in cross and are communicated, the first cavity 618 and the second cavity 619 are in the shape of a cube, the up-down adjusting nut block 612 and the left-right adjusting nut block 613 are also in the shape of a cube, the up-down adjusting nut block 612 and the left-right adjusting nut block 613 are arranged in the first cavity 618 and the second cavity 619 respectively, the first cavity 618 is arranged horizontally on the front face of the left-right-up-down adjusting slider 611, and the second cavity 619 is arranged vertically on the rear face of the left-right-up-down adjusting slider 611.

[0074] The working principle of the utility model is as follows:

[0075] When the conveying line 3 conveys the compressor semi-finished product 9 directly below the jacking seat 44, the compressor jacking mechanism 4 starts, the lifting motor 41 drives the lifting lead screw 42 to rotate forward, the lifting lead screw 42 drives the nut block 45 to rise, the nut block 45 drives the lifting slide 43 and the jacking seat 44 to rise together, the jacking seat 44 jacks up the compressor semi-finished product 9 on the conveying line 3 into the rack 1, the compressor semi-finished product 9 passes through the feeding opening 54 on the support baffle 50 upwards, then the lower pressing cylinder 721 drives the lower pressing plate 76 to descend, the lower pressing plate 76 presses the compressor semi-finished product 9 downwards, the first slag blocking assembly 51 and the second slag blocking assembly 52 start, the slag blocking translation cylinder 55 drives the translation seat 57 to slide horizontally towards the feeding opening 54, the two upper slag blocking plates 58 are folded towards each other, the compressor semi-finished product 9 passes through the avoiding opening 53 between the two upper slag blocking plates 58 upwards, the improved welding machine 2 starts, the welding gun translation cylinder 63 of the plurality of welding gun devices 6 drives the respective welding gun 610 to move towards the compressor semi-finished product 9, the plurality of welding guns 610 abut on the side wall of the compressor shell, then the plurality of welding guns 610 start to weld the compressor shell and the pump body, the pump body is located in the compressor shell, after welding, the inner side wall of the compressor shell and the outer side edge of the pump body are welded together, during the welding process, the welding slag generated will fall on the support baffle 50 or the upper slag blocking plate 58, thereby avoiding the welding slag from falling on the compressor jacking mechanism 4 or spraying on the welding gun device 6, affecting the lifting of the compressor jacking mechanism 4 and the position adjustment of the welding gun device 6, after welding, the welding gun translation cylinder 63 of the plurality of welding gun devices 6 drives the respective welding gun 610 to move away from the compressor semi-finished product 9, the lower pressing cylinder 721 drives the lower pressing plate to rise, the slag blocking translation cylinder 55 drives the respective upper slag blocking plate 58 to move away, the compressor jacking mechanism 4 drives the jacking seat 44 to lower the compressor semi-finished product 9, then the compressor semi-finished product 9 is lowered on the conveying line 3, and then the conveying line 3 conveys the compressor semi-finished product 9 forward again.

Claims

1. An improved welding machine characterized by, The utility model relates to a welding gun device, including center disc and a plurality of welding gun devices, a plurality of welding gun devices are arranged on the center disc in annular interval, a plurality of welding gun devices are arranged on the center disc along the circumferential direction of the center disc and are adjusted to slide, the welding gun device is equipped with fixed seat, fixed seat is equipped with inner roller seat and outer roller seat at interval, first roller and second roller are vertically arranged on inner roller seat and outer roller seat respectively, the position corresponding to inner roller seat is equipped with guide accommodation slot on the center disc, inner roller seat is stretched to the top surface of center disc through guide accommodation slot, outer roller seat is located at the outer edge of center disc, and the gap exists between the top surface of fixed seat and first roller, the gap exists between the top surface of fixed seat and second roller, the center disc is located between the top surface of fixed seat and first roller and between the top surface of fixed seat and second roller, the surface of first roller and the surface of second roller all are in abutment with the top surface of center disc, the adjusting arc slot is equipped on the circumferential direction of the center disc, and the locking bolt is equipped on the adjusting arc slot, and the locking bolt passes down adjusting arc slot and is connected with the screw hole of fixed seat threadedly.

2. The improvement in a welding machine as defined in claim 1 wherein, The top surface of fixed seat is horizontally rotatably equipped with third roller and fourth roller, third roller is located in guide accommodation slot and is in abutment with the inner side wall of guide accommodation slot, and fourth roller is located at the outside of center disc and is in abutment with the outer edge of center disc.

3. The improvement in a welding machine as defined in claim 1 wherein, The adjusting arc slot is located on the top surface of the center disc between the inner roller seat and the outer roller seat.

4. The improvement in a welding machine as defined in claim 1 wherein, The guide accommodation slot and the adjusting arc slot are in the shape of a circular arc.

5. The improvement in a welding machine as defined in claim 1 wherein, The bottom of the center disc is slidably equipped with a lower pressing plate, and the rack is equipped with a lower pressing cylinder. The cylinder rod of the lower pressing cylinder is fixedly connected with the lower pressing plate.

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