Automatic grinding equipment and device for electrode cap of projection welding machine

Abstract

The utility model discloses automatic grinding equipment and device for an electrode cap of a projection welding machine. The automatic grinding equipment for the electrode cap of the projection welding machine comprises a grinding assembly, a buffer compensation assembly, a platform assembly and a control assembly, the polishing assembly is flexibly connected with the buffer compensation assembly, the polishing assembly can move relative to the buffer compensation assembly, the buffer compensation assembly is arranged on the platform assembly, and the control assembly is arranged on the buffer compensation assembly. According to the embodiment of the utility model, the distance change and the impact force between the grinding assembly and the electrode cap to be ground are correspondingly compensated and relieved by utilizing the buffer compensation assembly, so that the grinding assembly can automatically grind the electrode cap according to the abrasion degree of the electrode cap, and the maintenance cost of the electrode cap is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to welding equipment technical field especially relates to a kind of projection welding machine electrode cap automatic grinding equipment and device. BACKGROUND

[0002] The welding principle of projection welding machine is to form local high temperature at the projection of workpiece by using the inductive heating of high-frequency current between electrodes, so that the metal is melted and fused under high temperature and pressure, thereby forming welding spots; Because the temperature is very high during welding, it will cause the electrode to soften at the same time of melting the metal, so it will cause the electrode cap welding surface shape to be abraded and deformed, and the traditional solution is to mill a certain length of electrode cap to ensure that it reaches qualified shape, but it cannot be adjusted adaptively according to the wear degree of electrode cap, and a pair of brand new electrode cap will need to be replaced with new one after a certain number of milling due to serious wear, which is high in cost. SUMMARY

[0003] The main purpose of the utility model is to provide a kind of projection welding machine electrode cap automatic grinding equipment and device, to solve the problem of difficult automatic grinding and high cost of electrode cap of projection welding machine in prior art.

[0004] To solve the above problems, in the first aspect, the utility model provides a kind of projection welding machine electrode cap automatic grinding equipment, comprising: grinding assembly, buffer compensation component, platform component and control component;

[0005] The grinding assembly is flexibly connected with the buffer compensation component, and the grinding assembly can move relative to the buffer compensation component, the buffer compensation component is arranged on the platform component, and the control component is arranged on the buffer compensation component;

[0006] The control component is used to control the on-off of airflow to control the grinding assembly and the platform component;The platform component is used to drive the buffer compensation component, the grinding assembly and the control component to move in horizontal direction;The buffer compensation component is used to drive the grinding assembly to move up and down, and to compensate and slow down the distance change and impact force between the grinding assembly and the electrode cap to be ground accordingly;The grinding assembly is used to grind the electrode cap to be ground.

[0007] In a second aspect, the utility model provides a kind of projection welding machine electrode cap automatic grinding device, comprising: as the projection welding machine electrode cap automatic grinding equipment of any one of first aspect, projection welding machine and welding machine terminal, the welding machine terminal is connected with the projection welding machine and the projection welding machine electrode cap automatic grinding equipment, the welding machine terminal is used to control the electrode on the welding torch of the projection welding machine to realize the electrode cap to be ground and the projection welding machine electrode cap automatic grinding equipment connection, and the welding machine terminal is used to control the projection welding machine electrode cap automatic grinding equipment to realize the electrode cap to be ground of the projection welding machine is automatically ground.

[0008] The utility model embodiment provides a kind of projection welding machine electrode cap automatic grinding equipment and device, projection welding machine electrode cap automatic grinding equipment includes grinding assembly, buffer compensation component, platform component and control component;The grinding assembly is flexibly connected with the buffer compensation component, and the grinding assembly can be moved relative to the buffer compensation component, the buffer compensation component is set on the platform component, and the control component is set on the buffer compensation component;Wherein, the control component is used to control the on-off of airflow to control the grinding assembly and the platform component;The platform component is used to drive the buffer compensation component, the grinding assembly and the control component movement along horizontal direction;The buffer compensation component is used to drive the grinding assembly to lift movement, and the distance change and impact force between the grinding assembly and the electrode cap to be ground are compensated and slowed down accordingly;The grinding assembly is used to grind the electrode cap to be ground;Projection welding machine electrode cap automatic grinding device includes: the projection welding machine electrode cap automatic grinding equipment of any one of above, projection welding machine and welding machine terminal, the welding machine terminal is connected with the projection welding machine and the projection welding machine electrode cap automatic grinding equipment, the welding machine terminal is used to control the electrode on the welding torch of the projection welding machine to realize the electrode cap to be ground and the projection welding machine electrode cap automatic grinding equipment connection, and the welding machine terminal is used to control the projection welding machine electrode cap automatic grinding equipment to realize the electrode cap to be ground of the projection welding machine is automatically ground. BRIEF DESCRIPTION OF DRAWINGS

[0009] In order to more clearly illustrate the utility model embodiment technical scheme, below will to the drawing needed to be used in embodiment description simple introduction, obviously, below in the drawing of description is some embodiments of the utility model, for those skilled in the art, without creative labor, according to these drawings, other drawings can also be obtained.

[0010] Figure 1The overall structure schematic diagram of the automatic grinding equipment for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0011] Figure 2 The partial structure schematic diagram of the automatic grinding equipment for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0012] Figure 3 The partial structure schematic diagram of the automatic grinding equipment for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0013] Figure 4 The partial structure schematic diagram of the automatic grinding equipment for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0014] Figure 5 The partial explosion structure schematic diagram of the automatic grinding equipment for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0015] Figure 6 The overall structure schematic diagram of the automatic grinding device for the electrode cap of the projection welding machine is provided in the embodiment of the utility model.

[0016] In the drawings, various reference signs are:

[0017] 1, the automatic grinding equipment for the electrode cap of the projection welding machine; 10, the grinding assembly; 11, the pneumatic wrench; 12, the upper cover; 13, the lower cover; 14, the transmission gear; 15, the shaping cutter; 16, the cutter gear; 17, the transmission output shaft; 18, the first fixed block; 19, the second fixed block; 20, the buffer compensation assembly; 21, the first connecting plate; 22, the support block; 23, the first bearing seat; 24, the second bearing seat; 25, a plurality of linear bearings; 26, the spring group; 27, the sliding rod group; 28, the third connecting plate; 30, the platform assembly; 31, the driving cylinder; 32, the mounting bottom plate; 33, the second connecting plate; 34, the sliding rail; 35, the sliding block; 36, the fixed plate; 37, the cylinder mounting plate; 40, the control assembly; 41, the electromagnetic valve group; 42, the mounting frame;

[0018] 2, the automatic grinding device for the electrode cap of the projection welding machine; 50, the projection welding machine; 60, the welding machine terminal. DETAILED DESCRIPTION

[0019] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0020] It should be understood that the terms "comprises" and "comprising," when used in this specification and accompanying claims, indicate the presence of the described features, integers, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, integers, steps, operations, elements, components, and / or groups thereof.

[0021] It should also be understood that the terms used in the specification and the appended claims are intended to describe certain embodiments and do not limit the present application. As used in the specification and the appended claims, the singular forms "a," "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise.

[0022] It should further be understood that the term "and / or" used in the specification and the appended claims means one or more of the associated listed items and all possible combinations of the items, and includes the combinations.

[0023] Please refer to Figures 1-6 , Figure 1 The overall structure schematic diagram of the projection welding machine electrode cap automatic grinding equipment provided by the embodiment of the present application is shown in the figure. Figure 2 The partial structure schematic diagram of the projection welding machine electrode cap automatic grinding equipment provided by the embodiment of the present application is shown in the figure, which is the structure schematic diagram of the platform assembly. Figure 3 The partial structure schematic diagram of the projection welding machine electrode cap automatic grinding equipment provided by the embodiment of the present application is shown in the figure, which is the structure schematic diagram of the buffer compensation assembly. Figure 4 The partial structure schematic diagram of the projection welding machine electrode cap automatic grinding equipment provided by the embodiment of the present application is shown in the figure, which is the structure schematic diagram of the grinding assembly. Figure 5 The partial structure schematic diagram of the projection welding machine electrode cap automatic grinding equipment provided by the embodiment of the present application is shown in the figure, which is the structure schematic diagram of the grinding assembly. Figure 6 The overall structure schematic diagram of the projection welding machine electrode cap automatic grinding device provided by the embodiment of the present application is shown in the figure.

[0024] As Figures 1-5As shown in the utility model embodiment, the utility model provides a kind of projection welding machine electrode cap automatic grinding equipment 1, comprising: grinding assembly 10, buffer compensation component 20, platform component 30 and control component 40;The grinding assembly 10 is flexibly connected with the buffer compensation component 20, and the grinding assembly 10 can be moved relative to the buffer compensation component 20, the buffer compensation component 20 is set on the platform component 30, and the control component 40 is set on the buffer compensation component 20;Wherein, the control component 40 is used to control the on-off of airflow to control the grinding assembly 10 and the platform component 30;The platform component 30 is used to drive the buffer compensation component 20, the grinding assembly 10 and the control component 40 to move along horizontal direction;The buffer compensation component 20 is used to drive the grinding assembly 10 to move up and down, and the distance change between the grinding assembly 10 and the electrode cap to be ground and impact force are compensated and slowed down accordingly;The grinding assembly 10 is used to grind the electrode cap to be ground.

[0025] In the embodiment, as Figures 1-5 As shown in the utility model, the projection welding machine electrode cap automatic grinding equipment 1 for grinding electrode cap of projection welding machine is used to grind the electrode cap of projection welding machine, and the electrode cap to be ground is mainly upper electrode cap and lower electrode cap of projection welding machine;The equipment specifically includes grinding assembly 10, buffer compensation component 20, platform component 30 and control component 40, the equipment controls the on-off of airflow by using the control component 40 to control the grinding assembly 10 and the platform component 30 to realize the automatic grinding of upper electrode cap and lower electrode cap of projection welding machine simultaneously, and the grinding assembly 10 is driven to move up and down by using the buffer compensation component 20 to compensate and slow down the distance change between the grinding assembly 10 and the electrode cap to be ground and impact force accordingly.

[0026] In the implementation process of the electrode cap grinding, the control assembly 40 controls the platform assembly 30 and the grinding assembly 10 after receiving the grinding signal; the platform assembly 30 can provide horizontal driving, thereby driving the buffer compensation assembly 20, the grinding assembly 10 and the control assembly 40 to move in the horizontal direction, so as to drive the grinding assembly 10 to move to the preset grinding working position, wherein the horizontal direction can be the horizontal forward-backward direction, so that the platform assembly 30 can drive the grinding assembly 10 to move in the horizontal forward-backward direction, so as to adapt to the actual use condition; the grinding assembly 10 can move up and down within a certain range relative to the buffer compensation assembly 20, and the buffer compensation assembly 20 can compensate the distance change between the grinding assembly 10 and the electrode cap to be ground, so as to avoid the increase of the grinding amount and reduce the cost; the buffer compensation assembly 20 is assembled on the horizontal mounting plane of the platform assembly 30 and is driven by the driving cylinder 31 of the platform assembly 30 to move in the forward-backward direction; the grinding assembly 10 can automatically grind the upper electrode cap and the lower electrode cap of the projection welding machine at the same time.

[0027] In an embodiment, as shown in Figures 1-5 The grinding assembly 10 comprises a pneumatic wrench 11, an upper cover 12, a lower cover 13 and a gear transmission group; one end of the pneumatic wrench 11 is connected with the upper cover 12, the upper cover 12 is connected with the gear transmission group, and the gear transmission group is connected with the lower cover 13.

[0028] In the embodiment, as shown in Figures 1-5 The working of the pneumatic wrench 11 is controlled by the control assembly 40; when receiving the first electromagnetic valve signal of the control assembly 40, the power of the pneumatic wrench 11 is transmitted to the gear transmission group, and the gear transmission group automatically grinds the electrode cap to be ground by using the power.

[0029] The upper cover 12 is also connected with the lower cover 13.

[0030] In an embodiment, as shown in Figures 1-5 The gear transmission group comprises a transmission gear 14, a shaping tool 15 and a tool gear 16; the outer surface of the shaping tool 15 is nested and connected to the inner surface of the tool gear 16, the transmission gear 14 and the tool gear 16 are engaged and connected, and the transmission gear 14, the shaping tool 15 and the tool gear 16 are arranged in the recess space between the upper cover 12 and the lower cover 13.

[0031] In the embodiment, as shown in Figures 1-5As shown, the shaping cutter 15 is nestedly connected inside the cutter gear 16; the transmission gear 14 is arranged in the first recess space between the upper cover 12 and the lower cover 13, the shaping cutter 15 and the cutter gear 16 are arranged in the second recess space between the upper cover 12 and the lower cover 13, and the middle part of the recess space between the upper cover 12 and the lower cover 13 except the first recess space and the second recess space is used to realize the meshing connection between the transmission gear 14 and the cutter gear 16.

[0032] The shaping cutter 15 comprises a cutter seat and a cutter blade; wherein the cutter blade and the cutter seat are tightly matched through the metal thermal expansion and cold contraction principle to realize the grinding of the electrode cap to be ground.

[0033] When the electrode cap to be ground needs to be ground, the projection welding machine moves the upper surface of the shaping cutter 15 in the gear transmission set to finally contact the cutter blade edge of the shaping cutter 15, and the buffer compensation assembly 20 can slow down the impact force between the electrode cap to be ground and the grinding assembly 10 in this process to prevent the electrode cap from being damaged, and at the same time, as the electrode cap is ground to be shorter, the buffer compensation assembly 20 can compensate the distance change between the grinding assembly 10 and the electrode cap to be ground to avoid the grinding amount from being large, ensure the safety and accuracy of grinding to realize automatic grinding and reduce the cost.

[0034] In an embodiment, as shown in the figure, Figures 1-5 As shown, one end of the pneumatic wrench 11 is provided with a transmission output shaft 17 which penetrates the upper cover 12 to be connected with the transmission gear 14.

[0035] In this embodiment, as shown in the figure, Figures 1-5 As shown, the transmission output shaft 17 penetrates the upper cover 12 and part of the middle recessed part of the transmission gear 14 to realize the connection with the transmission gear 14, and the power of the transmission output shaft 17 is transmitted to the transmission gear 14.

[0036] Specifically, the working of the pneumatic wrench 11 is controlled by the control assembly 40, when receiving the first electromagnetic valve signal of the control assembly 40, the power of the pneumatic wrench 11 is transmitted to the transmission gear 14 through the transmission output shaft 17, the transmission gear 14 transmits the power to the cutter gear 16 to realize the rotating work of the shaping cutter 15 to achieve the purpose of automatic grinding of the electrode cap to be ground.

[0037] In an embodiment, as shown in the figure, Figures 1-5As shown, the grinding assembly 10 further comprises a first fixed block 18 and a second fixed block 19, which are connected to one end of the pneumatic wrench 11 provided with the transmission output shaft 17, and the second fixed block 19 is further connected with the upper cover 12.

[0038] In the embodiment, as shown in Figures 1-5 The first fixed block 18 and the second fixed block 19 can be fixedly connected to one end of the pneumatic wrench 11 provided with the transmission output shaft 17 by means of screws and other fixing accessories, and the first fixed block 18 and the second fixed block 19 can also be connected with the upper cover 12 by means of screws and other fixing accessories, that is, the pneumatic wrench 11 is connected with the upper cover 12 through the first fixed block 18 and the second fixed block 19, which ensures the stability and safety of the structure.

[0039] In an embodiment, as shown in Figures 1-5 The buffer compensation assembly 20 comprises a first connecting plate 21, a support block 22, a first bearing seat 23, a second bearing seat 24, a plurality of linear bearings 25, a spring group 26 and a sliding rod group 27; the first bearing seat 23, the support block 22 and the second bearing seat 24 are sequentially arranged on the vertical surface of the first connecting plate 21, and the sliding rod group 27 sequentially penetrates the first bearing seat 23, the support block 22 and the second bearing seat 24; the spring group 26 is embeddedly connected between the support block 22 and the second bearing seat 24, and arranged on the sliding rod group 27 between the support block 22 and the second bearing seat 24; the support block 22 is connected with the lower cover 13; the plurality of linear bearings 25 are arranged in the first bearing seat 23 and the second bearing seat 24.

[0040] In the embodiment, as shown in Figures 1-5 The spring group 26 is sleeved on the sliding rod group 27; one end of the spring group 26 is embeddedly connected to the lower surface of the support block 22, and the other end is embeddedly connected to the upper surface of the second bearing seat 24; that is, under the action of the spring force of the spring group 26, the grinding assembly 10 can move in the vertical direction to a certain extent along the sliding rod group 27. The upper surface of the support block 22 is connected with the lower surface of the lower cover 13.

[0041] The first bearing seat 23, the support block 22 and the second bearing seat 24 can be fixed on the vertical surface of the first connecting plate 21 by fixing accessories such as screws.

[0042] In an embodiment, as shown in Figures 1-5 The platform assembly 30 comprises a driving cylinder 31, a mounting base plate 32, a second connecting plate 33, a slide rail 34, a slide block 35, a fixed plate 36 and a cylinder mounting plate 37; the driving cylinder 31 is arranged on the side surface of the mounting base plate 32 through the cylinder mounting plate 37; the first end of the mounting base plate 32 is connected with the fixed plate 36, and the second end of the mounting base plate 32 is connected with the slide block 35; the slide rail 34 is arranged on the mounting base plate 32, and the slide block 35 can move on the slide rail 34; the upper surface of the slide block 35 is connected with the second connecting plate 33.

[0043] In the embodiment, as shown in Figures 1-5 Two slide rails 34 are arranged on the mounting base plate 32 to enable four slide blocks 35 to move on the slide rails 34; the fixed plate 36 is arranged on the first end of the mounting base plate 32 to limit the limit position of the slide block 35; the cylinder mounting plate 37 is arranged on the side surface of the mounting base plate 32, and the driving cylinder 31 is arranged on the cylinder mounting plate 37.

[0044] The working of the driving cylinder 31 is controlled by the control assembly 40; when the second electromagnetic valve signal of the control assembly 40 is received, the driving cylinder 31 drives the slide block 35 to move forward and backward on the slide rail 34 to adjust the position of the whole projection welding machine electrode cap automatic grinding equipment 1 by driving force.

[0045] In an embodiment, as shown in Figures 1-5 The buffer compensation assembly 20 further comprises a third connecting plate 28, the outer surface of the third connecting plate 28 is arranged on the side surface of the horizontal surface of the first connecting plate 21, and the inner surface of the third connecting plate 28 is connected with one end of the driving cylinder 31.

[0046] In the embodiment, as shown in Figures 1-5 The third connecting plate 28 can be connected with the first connecting plate 21 by fixing accessories such as screws, and the third connecting plate 28 can be connected with the driving cylinder 31 by fixing accessories such as screws, to ensure the stability and safety of the connection.

[0047] In an embodiment, as shown in Figures 1-5 The control assembly 40 includes an electromagnetic valve group 41 and a mounting frame 42, the electromagnetic valve group 41 is arranged on the mounting frame 42, and the mounting frame 42 is connected with the first connecting plate 21.

[0048] In this embodiment, as shown in Figures 1-6 The mounting frame 42 can be fixedly connected to the first connecting plate 21 by a fixing accessory such as a screw.

[0049] When the control assembly 40 receives a grinding signal, the control assembly 40 sends a corresponding first electromagnetic valve signal and a second electromagnetic valve signal to the grinding assembly 10 and the platform assembly 30 respectively through the electromagnetic valve group 41, so as to control the grinding assembly 10 through the first electromagnetic valve signal and control the platform assembly 30 through the second electromagnetic valve signal.

[0050] As shown in Figures 1-6 The utility model discloses further provide a kind of projection welding machine electrode cap automatic grinding device 2, including any one of the projection welding machine electrode cap automatic grinding equipment 1 as above, projection welding machine 50 and welder terminal 60, the welder terminal 60 is connected with the projection welding machine 50 and the projection welding machine electrode cap automatic grinding equipment 1, the welder terminal 60 is used to control the electrode on the welding gun of the projection welding machine 50 to realize the electrode cap to be ground and the projection welding machine electrode cap automatic grinding equipment connection, and the welder terminal 60 is used to control the projection welding machine electrode cap automatic grinding equipment 1 to realize the electrode cap to be ground of the projection welding machine 50 is automatically ground.

[0051] In this embodiment, as shown in ​ The utility model discloses further provide a kind of projection welding machine electrode cap automatic grinding device 2, including any one of the projection welding machine electrode cap automatic grinding equipment 1 as above, projection welding machine 50 and welder terminal 60, the welder terminal 60 is connected with the projection welding machine 50 and the projection welding machine electrode cap automatic grinding equipment 1, the welder terminal 60 is used to control the electrode on the welding gun of the projection welding machine 50 to realize the electrode cap to be ground and the projection welding machine electrode cap automatic grinding equipment connection, and the welder terminal 60 is used to control the projection welding machine electrode cap automatic grinding equipment 1 to realize the electrode cap to be ground of the projection welding machine 50 is automatically ground.

[0052] The grinding assembly 10 comprises a pneumatic wrench 11, an upper cover 12, a lower cover 13 and a gear transmission set; one end of the pneumatic wrench 11 is connected with the upper cover 12, the upper cover 12 is connected with the gear transmission set, and the gear transmission set is connected with the lower cover 13. The gear transmission set comprises a transmission gear 14, a shaping tool 15 and a tool gear 16, the outer surface of the shaping tool 15 is nested and connected to the inner surface of the tool gear 16, the transmission gear 14 and the tool gear 16 are engaged and connected, and the transmission gear 14, the shaping tool 15 and the tool gear 16 are arranged in the recess space between the upper cover 12 and the lower cover 13. One end of the pneumatic wrench 11 is provided with a transmission output shaft 17, the transmission output shaft 17 penetrates the upper cover 12 to be connected with the transmission gear 14. The grinding assembly 10 further comprises a first fixed block 18 and a second fixed block 19, the first fixed block 18 and the second fixed block 19 are connected to one end of the pneumatic wrench 11 provided with the transmission output shaft 17, and the second fixed block 19 is further connected with the upper cover 12.

[0053] The buffer compensation assembly 20 comprises a first connecting plate 21, a support block 22, a first bearing seat 23, a second bearing seat 24, a plurality of linear bearings 25, a spring set 26 and a sliding rod set 27; the first bearing seat 23, the support block 22 and the second bearing seat 24 are sequentially arranged on the vertical surface of the first connecting plate 21, and the sliding rod set 27 sequentially penetrates the first bearing seat 23, the support block 22 and the second bearing seat 24; the spring set 26 is embedded and connected to the support block 22 and the second bearing seat 24, and arranged on the sliding rod set 27 between the support block 22 and the second bearing seat 24; the support block 22 is connected with the lower cover 13; the plurality of linear bearings 25 are arranged in the first bearing seat 23 and the second bearing seat 24.

[0054] The platform assembly 30 comprises a driving cylinder 31, a mounting bottom plate 32, a second connecting plate 33, a sliding rail 34, a sliding block 35, a fixed plate 36 and a cylinder mounting plate 37; the driving cylinder 31 is arranged on the side surface of the mounting bottom plate 32 through the cylinder mounting plate 37; the first end of the mounting bottom plate 32 is connected with the fixed plate 36, and the second end of the mounting bottom plate 32 is connected with the sliding block 35; the sliding rail 34 is arranged on the mounting bottom plate 32, and the sliding block 35 can move on the sliding rail 34; the upper surface of the sliding block 35 is connected with the second connecting plate 33.

[0055] The buffer compensation assembly 20 further comprises a third connecting plate 28, the outer surface of the third connecting plate 28 is arranged on the side surface of the horizontal surface of the first connecting plate 21, and the inner surface of the third connecting plate 28 is connected with one end of the driving cylinder 31.

[0056] The control assembly 40 comprises an electromagnetic valve group 41 and a mounting frame 42, the electromagnetic valve group 41 is arranged on the mounting frame 42, and the mounting frame 42 is connected with the first connecting plate 21.

[0057] The welding machine terminal 60 can control the movement of the upper electrode of the welding gun of the projection welding machine 50 to realize the connection of the electrode cap to be ground and the grinding assembly 10; the welding machine terminal 60 is electrically connected with the projection welding machine electrode cap automatic grinding device 1 and the projection welding machine 50, so that the welding machine terminal 60 controls the projection welding machine electrode cap automatic grinding device 1 and the projection welding machine 50.

[0058] After the control assembly 40 receives the grinding signal sent by the welding machine terminal 60, the driving cylinder 31 of the platform assembly 30 works to drive the grinding assembly 10 to move to a grinding working position; the projection welding machine 50 moves to the grinding working position, so that the shaping tool 15 is aligned with the upper electrode and the lower electrode of the welding gun of the projection welding machine 50; at the same time, the welding machine terminal 60 controls the upper cylinder of the projection welding machine 50 to drive the upper electrode of the welding gun to press down, so that the electrode cap to be ground is connected with the shaping tool 15, to realize the automatic grinding of the electrode cap to be ground by the shaping tool 15; the grinding assembly 10 starts to work, the pneumatic wrench 11 drives the transmission gear 14 and the tool gear 16 through the transmission output shaft 17, so that the shaping tool 15 rotates clockwise to realize the grinding of the electrode cap to be ground; after the grinding for a preset time, the upper cylinder of the projection welding machine 50 returns to the original position, the upper electrode of the welding gun returns to the original position, the welding gun is opened, the pneumatic wrench 11 stops working, the shaping tool 15 stops working, and the platform assembly 30 drives the grinding assembly 10 to leave the grinding working position and return to the original position, to complete the grinding work of the electrode cap to be ground. The preset time can be 1S-3S.

[0059] The above is only a specific embodiment of the present application, but the protection scope of the present application is not limited to this, any skilled person in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application. Therefore, the protection scope of the present application should be subject to the protection scope of the claims.

Claims

1. A projection welding machine electrode cap automatic dressing apparatus characterized by, The convex welding machine electrode cap automatic grinding equipment comprises a grinding assembly, a buffer compensation assembly, a platform assembly and a control assembly; The grinding assembly is flexibly connected with the buffer compensation assembly, and the grinding assembly is movable relative to the buffer compensation assembly; the buffer compensation assembly is arranged on the platform assembly; and the control assembly is arranged on the buffer compensation assembly; The control assembly is used for controlling the on-off of air flow to control the grinding assembly and the platform assembly; the platform assembly is used for driving the buffer compensation assembly, the grinding assembly and the control assembly to move in a horizontal direction; the buffer compensation assembly is used for driving the grinding assembly to move up and down and correspondingly compensating and slowing down the distance change and impact force between the grinding assembly and the electrode cap to be ground; and the grinding assembly is used for grinding the electrode cap to be ground.

2. The projection welding machine electrode cap automatic dressing apparatus according to claim 1, characterized by, The grinding assembly comprises a pneumatic wrench, an upper cover, a lower cover and a gear transmission set; one end of the pneumatic wrench is connected with the upper cover; the upper cover is connected with the gear transmission set; and the gear transmission set is connected with the lower cover.

3. The projection welding machine electrode cap automatic dressing apparatus according to claim 2, characterized by, The gear transmission set comprises a transmission gear, a shaping tool and a tool gear; the outer surface of the shaping tool is nested and connected to the inner surface of the tool gear; the transmission gear and the tool gear are meshed and connected; and the transmission gear, the shaping tool and the tool gear are arranged in a recess space between the upper cover and the lower cover.

4. The projection welding machine electrode cap automatic dressing apparatus according to claim 3, characterized by, One end of the pneumatic wrench is provided with a transmission output shaft, which penetrates the upper cover to be connected with the transmission gear.

5. The projection welding machine electrode cap automatic dressing apparatus according to claim 4, characterized by, The grinding assembly further comprises a first fixing block and a second fixing block; the first fixing block and the second fixing block are connected to one end of the pneumatic wrench provided with the transmission output shaft; and the second fixing block is further connected with the upper cover.

6. The projection welding machine electrode cap automatic dressing apparatus according to claim 2, characterized by, The buffer compensation assembly comprises a first connecting plate, a support block, a first bearing seat, a second bearing seat, a plurality of linear bearings, a spring set and a sliding rod set; the first bearing seat, the support block and the second bearing seat are sequentially arranged on the vertical surface of the first connecting plate; the sliding rod set penetrates the first bearing seat, the support block and the second bearing seat in sequence; the spring set is embedded and connected to the support block and the second bearing seat and arranged on the sliding rod set between the support block and the second bearing seat; the support block is connected with the lower cover; and the plurality of linear bearings are arranged in the first bearing seat and the second bearing seat.

7. The projection welding machine electrode cap automatic dressing apparatus according to claim 6, characterized by, The platform assembly comprises a driving cylinder, a mounting bottom plate, a second connecting plate, a sliding rail, a sliding block, a fixing plate and a cylinder mounting plate; the driving cylinder is arranged on the side surface of the mounting bottom plate through the cylinder mounting plate; the first end of the mounting bottom plate is connected with the fixing plate; the second end of the mounting bottom plate is connected with the sliding block; the sliding rail is arranged on the mounting bottom plate; the sliding block is movable on the sliding rail; and the upper surface of the sliding block is connected with the second connecting plate.

8. The projection welding machine electrode cap automatic dressing apparatus according to claim 7, characterized by, The buffer compensation assembly further comprises a third connecting plate, an outer surface of the third connecting plate is arranged on a side surface of a horizontal plane of the first connecting plate, and an inner surface of the third connecting plate is connected with one end of the driving cylinder.

9. The projection welding machine electrode cap automatic dressing apparatus according to claim 6, characterized by, The control assembly comprises a solenoid valve group and a mounting rack, the solenoid valve group is arranged on the mounting rack, and the mounting rack is connected with the first connecting plate.

10. A projection welding machine electrode cap automatic dressing device, characterized by, The projection welding machine electrode cap automatic grinding device, the projection welding machine and the welding machine terminal are connected, the welding machine terminal is used for controlling the welding gun electrode of the projection welding machine to realize that the electrode cap to be ground is connected with the projection welding machine electrode cap automatic grinding device, and the welding machine terminal is used for controlling the projection welding machine electrode cap automatic grinding device to realize automatic grinding of the electrode cap to be ground of the projection welding machine.

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