Press-fitting welding device

Abstract

The utility model relates to a press-fitting welding device which comprises a feeding press-fitting mechanism, and the feeding press-fitting mechanism comprises a feeding mechanism, a feeding mechanism and a press-fitting mechanism. The press-fitting mechanism comprises a supporting structure composed of a left supporting plate, a right supporting plate and an upper cover plate, a nut press-fitting air cylinder arranged on the upper cover plate and a pressing block arranged on a push rod of the nut press-fitting air cylinder, and the pressing block is used for press-fitting. A rear clamping jaw and a front clamping jaw are arranged on a clamping finger air cylinder arranged on a clamping air cylinder seat, a front jaw connecting rod is arranged on the front clamping jaw and connected with the push rod sliding groove in a sleeved mode, and the end of the front jaw connecting rod is a nut profiling part. The rear clamping jaw is provided with two clamping connecting rods, the clamping connecting rods are connected with the push rod sliding grooves in a sleeved mode, the other ends of the clamping connecting rods are provided with front clamping blocks, and the nut profiling part is combined with the front clamping blocks to clamp a nut. The structure is simple, stable and reliable, production procedures are combined, and production efficiency is improved.

Description

Technical Field

[0001] The utility model relates to a device for producing automobile parts, in particular to a semi-automatic press-fit welding integrated device for medium and small punching and welding parts of automobiles. Background Art

[0002] With the development of science and technology, the progress and innovation of technology, automobile products are changing with each passing day, and higher technical requirements are also put forward for stamping parts and fastener products; in the process of production and processing of automobile parts, the iteration speed of automobile models is fast, the structure of parts is complex and there are many design changes, and there are many processing procedures. Stamping and welding assemblies account for a high proportion of automobile structural parts, and automobile stamping and welding parts often need to be combined with press-fit fasteners before welding or welding with other parts to form stamping and welding assemblies. There are many production links, the material flow consumes a long time, and there are many quality control links, which leads to frequent quality problems in the production process, low production efficiency, and relatively high production costs.

[0003] Therefore, it is necessary to design and assemble a stamping and welding integrated device for specific automotive stamping and welding parts to reduce material flow links, improve production efficiency and reduce production costs. Utility Model Content

[0004] The utility model aims to provide a semi-automatic press-fit welding integrated device with simple and reliable structure and strong applicability, so as to solve the existing technical problems.

[0005] In order to achieve the above-mentioned purpose, the utility model provides a press-fit welding device, which comprises a feeding press-fitting mechanism and a mechanism mounting plate, wherein the feeding press-fitting mechanism comprises a feeding mechanism with a nut feeding channel, a feeding mechanism and a press-fitting mechanism, wherein the press-fitting mechanism comprises a supporting structure composed of a left supporting plate, a right supporting plate and an upper cover plate, a nut press-fitting cylinder arranged on the upper cover plate and a pressing block arranged on the push rod of the nut press-fitting cylinder, wherein the pressing block is used for press-fitting; the feeding mechanism comprises a staggered ejecting mechanism and a clamping and pushing mechanism, wherein the staggered ejecting mechanism comprises a staggered cylinder mounting plate, a staggered lifting cylinder and a sensor mounting bracket arranged on the staggered cylinder mounting plate, a nut feeding seat arranged on the push rod of the staggered lifting cylinder and a photoelectric sensor arranged on the sensor mounting bracket for sensing nuts, wherein the nut feeding seat is located at the feeding end of the nut feeding channel, and the nut feeding The material seat is used to receive the nut transmitted by the nut feed channel; the clamping and pushing mechanism includes a lifting cylinder seat arranged on the inner side of the right support plate, a first lifting cylinder arranged on the lifting cylinder seat, a pushing mounting block arranged on the push rod of the first lifting cylinder, a pushing cylinder mounting seat and a push rod slide groove arranged on the pushing mounting block, a pushing cylinder arranged on the pushing cylinder mounting seat, a clamping cylinder seat arranged on the push rod of the pushing cylinder, and a clamping finger cylinder arranged on the clamping cylinder seat. A rear clamping jaw and a front clamping jaw are arranged on the clamping finger cylinder, and a front clamping jaw is arranged on the front clamping jaw, and the front clamping jaw is arranged on the front clamping jaw, and the front clamping rod is sleeved and connected to the push rod slide groove, and the end of the front clamping rod is a nut profiling part; two clamping connecting rods are arranged on the rear clamping jaw, and the clamping connecting rod is sleeved and connected to the push rod slide groove and a front clamping block is arranged on the other end of the clamping connecting rod, and the nut profiling part is combined with the front clamping block for clamping the nut.

[0006] According to the press-fit welding device described in the preferred embodiment of the utility model, the press-fit welding device also includes a feeding mechanism, which includes a discharge mechanism base, a guide rail slot arranged on the discharge mechanism base, a feeding cylinder mounting seat arranged at one end of the guide rail slot, a feeding cylinder arranged on the feeding cylinder mounting seat, a linear guide rail arranged on the side of the guide rail slot, a lifting cylinder fixing seat arranged on the slider of the guide rail slot, and a second lifting cylinder arranged on the lifting cylinder fixing seat; the push rod of the feeding cylinder is connected to the lifting cylinder fixing seat, an electromagnet mounting seat is arranged on the push rod of the second lifting cylinder, and a suction electromagnet is arranged on the electromagnet mounting seat; a feeding channel is arranged on the discharge mechanism base for feeding.

[0007] According to the press-fit welding device described in the preferred embodiment of the utility model, the press-fit welding device also includes a cam divider assembly, and the cam divider assembly includes a four-station turntable and four conductive welding molds arranged on the four-station turntable, and the conductive welding mold is electrically connected to the lower electrode of the desktop fixed spot welding machine through the mounting hole on the four-station turntable.

[0008] According to the press-fit welding device described in the preferred embodiment of the utility model, the press-fit welding device also includes a touch screen mounting assembly and an equipment chassis, and the mechanism mounting plate is arranged on the equipment chassis; the touch screen mounting assembly, the cam divider assembly, the unloading mechanism, the feeding mechanism and the press-fit mechanism are arranged on the mechanism mounting plate; the touch screen mounting assembly, the cam divider assembly, the unloading mechanism, the desktop fixed spot welding machine and the feeding press-fit mechanism are electrically connected to the equipment chassis.

[0009] The design concept of this application is to design an efficient automatic processing equipment that integrates press-fitting and welding. After the parts are manually loaded, the divider automatically feeds and automatically completes the press-fitting and welding processes to complete the entire processing process of the product. This device has high feeding efficiency, saves equipment production processes, reduces product production costs, improves the degree of workshop automation, and improves the market competitiveness of enterprises.

[0010] Compared with the prior art, the utility model has the following advantages:

[0011] First, the structure of this application is simple, stable and reliable, which combines the production process, improves production efficiency, reduces the labor intensity of employees, and increases the market competitiveness of enterprises;

[0012] Second, this application reduces the material circulation links, and reduces the material circulation cost and management cost;

[0013] Third, this application reduces the quality control links and improves the product quality level.

[0014] Of course, implementing any specific embodiment of the present application does not necessarily have all of the above technical effects at the same time. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 A schematic diagram of the press-fit welding device for this application;

[0016] Figure 2 This is a schematic diagram of the press-fitting mechanism for this application;

[0017] Figure 3 This is a schematic diagram of the feeding mechanism and the feeding mechanism of this application;

[0018] Figure 4 for Figure 3 Partially enlarged schematic diagram;

[0019] Figure 5 for Figure 3 Another enlarged schematic diagram;

[0020] Figure 6 This is a schematic diagram of the cutting mechanism for this application. DETAILED DESCRIPTION

[0021] The present invention is described in detail below with reference to the accompanying drawings.

[0022] Please refer to Figure 1 Schematic diagram of the press-fit welding device of the present application. The press-fit welding device of the present application is used in automobile stamping and welding parts, which need to be combined with press-fit fasteners and then welded or welded with other parts to form stamping and welding assemblies. For example, a nut 99 is first press-fitted on the automobile nut plate and then the press-fit welding foot is welded. The previous process floats and fixes the nut 99 in the fixing hole of the nut plate, and then the welding foot is welded in the next process. The fixture does not need to be replaced between the two processes, which reduces the time consumed in material flow and stabilizes quality control. The device has high feeding efficiency, saves equipment production procedures, reduces product production costs, improves the degree of workshop automation, and improves the company's market competitiveness.

[0023] Please refer to Figures 1 to 6 The press-fit welding device comprises a feeding press-fit mechanism 10 and a mechanism mounting plate 70, wherein the feeding press-fit mechanism 10 comprises a feeding mechanism 11 having a nut feeding channel 111, a feeding mechanism 12 and a press-fit mechanism 13, as shown in FIG. Figure 1 and Figure 3 As shown, the feeding mechanism 11 includes a vibration plate and a straight vibrator for outputting nuts in addition to the nut feed channel 111. The entire device of the present application is divided into four workstations. The nut plate is manually loaded onto the conductive welding template 42 of the first workstation, and the single-step processing cycle of the equipment is manually started; the vibration plate and the straight vibrator feed the nuts into place and send them to the processing station by the cylinder, and the pressing mechanism 13 completes the pressing of the nuts.

[0024] like Figure 2 As shown, the press-fitting mechanism 13 includes a support structure consisting of a left support plate 131, a right support plate 132 and an upper cover plate 133, a nut press-fitting cylinder 134 disposed on the upper cover plate 133, and a pressing block 135 disposed on a push rod of the nut press-fitting cylinder 134, wherein the pressing block 135 is used for press-fitting; Figure 2In the embodiment, the left support plate 131 and the right support plate 132 form two parallel sheets, and the upper cover plate 133 is locked to the upper end surfaces of the left support plate 131 and the right support plate 132 by screws. In the embodiment of the present application, a connecting plate 136 is provided on the lower end surfaces of the left support plate 131 and the right support plate 132 to stabilize the support structure; the push rod of the nut pressing cylinder 134 moves vertically, and when the push rod of the nut pressing cylinder 134 moves downward, it drives the pressing block 135 downward to float and fix the nut 99 in the fixing hole of the nut plate; Figure 2 In the figure, a press-fitting support column 137 is arranged at the position of the connecting plate 136 corresponding to the pressing block 135, and the press-fitting support column 137 is used to support the conductive welding mold 42 during press-fitting to ensure that the pressing block 135 can press-fit the nut 99 into place.

[0025] Please refer to Figure 3 , Figure 4 and Figure 5 The feeding mechanism 12 includes a dislocation ejecting mechanism and a clamping and pushing mechanism. The dislocation ejecting mechanism pushes the nut 99 upward to a position and then is clamped by the clamping and pushing mechanism to a pressing station; wherein the dislocation ejecting mechanism includes a dislocation cylinder mounting plate 1211, a dislocation lifting cylinder 1212 and a sensor mounting bracket 1213 arranged on the dislocation cylinder mounting plate 1211, a nut feeding seat 1214 arranged on the push rod of the dislocation lifting cylinder 1212 and a photoelectric sensor 1215 arranged on the sensor mounting bracket 1213 for sensing the nut 99, the nut feeding seat 1214 is located at the feeding end of the nut feeding channel 111, and the nut feeding seat 1214 is used to receive the nut 99 transmitted by the nut feeding channel 111; Figure 4 As shown, in the embodiment of the present application, the offset cylinder mounting plate 1211 is a vertical flat plate, the offset lifting cylinder 1212 is installed on the side of the offset cylinder mounting plate 1211 facing the nut feed channel 111, and the nut feed seat 1214 is installed on the push rod of the offset lifting cylinder 1212, and the upper surface of the nut feed seat 1214 is provided with a groove-shaped nut offset baffle corresponding to the travel path of the nut 99. The nut 99 reaches the nut feed seat 1214 under the drive of the straight vibrator and is blocked by the nut offset baffle and cannot continue to move forward; in addition, the sensor mounting bracket 1213 is installed at the upper end of the other side of the offset cylinder mounting plate 1211 and the photoelectric sensor 1215 is installed at the position corresponding to the nut 99 for sensing the nut 99.

[0026] Please refer to Figure 5The clamping and pushing mechanism includes a lifting cylinder seat 1221 arranged on the inner side of the right support plate 132, a first lifting cylinder 1222 arranged on the lifting cylinder seat 1221, a pushing mounting block 1223 arranged on the push rod of the first lifting cylinder 1222, a pushing cylinder mounting seat 1224 and a push rod slide 1225 arranged on the pushing mounting block 1223, a pushing cylinder 1226 arranged on the pushing cylinder mounting seat 1224, and a pushing cylinder 1227 arranged on the pushing rod slide 1228. The clamping cylinder seat 1227 on the push rod of the material cylinder 1226, the clamping finger cylinder 1228 arranged on the clamping cylinder seat 1227, the clamping finger cylinder 1228 is provided with a rear clamping claw 1229 and a front clamping claw 12210, the front clamping claw 12210 is provided with a front claw connecting rod 12211, the front claw connecting rod 12211 is sleeved and connected to the push rod slide groove 1225, and the end of the front claw connecting rod 12211 is a nut profiling part 122111; the rear clamping claw 1229 and the front clamping claw 12210 are provided with a front claw connecting rod 12211, and the front claw connecting rod 12211 is sleeved and connected to the push rod slide groove 1225, and the end of the front claw connecting rod 12211 is a nut profiling part 122111; Two clamping links 12212 are provided on the upper surface of the cylinder 29, and the clamping links 12212 are sleeved and connected to the push rod slot 1225, and a front clamping block 12213 is provided at the other end of the clamping link 12212, and the nut profiling portion 122111 is combined with the front clamping block 12213 to clamp the nut 99; in the embodiment of the present application, the push rod of the first lifting cylinder 1222 moves up and down, so the pusher mounting block 1223 provided on the push rod of the pusher cylinder 1226 And the parts arranged on the pushing mounting block 1223 move up and down synchronously, and the push rod of the pushing cylinder 1226 moves left and right; after the nut profiling part 122111 combines with the front clamping block 12213 to clamp the nut 99, the push rod of the first lifting cylinder 1222 moves upward, and then the push rod of the pushing cylinder 1226 moves to the right, and the push rod of the first lifting cylinder 1222 moves downward to push the nut 99 to the pressing station.

[0027] Please refer to Figure 6The press-fit welding device also includes a feeding mechanism 30, and the finished product after press-fitting and welding is moved out into the plastic frame for storage through the feeding mechanism 30, and the feeding mechanism 30 includes a feeding mechanism base 31, a guide rail slot 32 arranged on the feeding mechanism base 31, a feeding cylinder mounting seat 33 arranged at one end of the guide rail slot 32, a feeding cylinder 34 arranged on the feeding cylinder mounting seat 33, a linear guide rail 35 arranged on the side of the guide rail slot 32, a lifting cylinder fixing seat 36 arranged on the slider of the guide rail slot 32, and a second lifting cylinder 37 arranged on the lifting cylinder fixing seat 36; the push rod of the feeding cylinder 34 is connected to the lifting cylinder fixing seat 36, and an electromagnet mounting seat 38 is arranged on the push rod of the second lifting cylinder 37, and a suction electromagnet 39 is arranged on the electromagnet mounting seat 38; a feeding channel 310 is arranged on the feeding mechanism base 31 for feeding; Figure 6 As shown, in the embodiment of the present application, the discharging mechanism base 31 is a vertically arranged sheet body, the guide rail slot 32 is locked by a screw at the upper end of the discharging mechanism base 31, and the unloading cylinder mounting seat 33 is locked by a screw at one end of the guide rail slot 32 and the unloading cylinder 34 is installed on the unloading cylinder mounting seat 33, and the unloading cylinder 34 moves left and right; in addition, the lifting cylinder fixing seat 36 is installed on the slider of the linear guide rail 35 on the side of the guide rail slot 32 to fix the unloading cylinder 34. 4, so the lifting cylinder fixing seat 36 also moves left and right synchronously, driving the second lifting cylinder 37 on the lifting cylinder fixing seat 36 to also move left and right synchronously to move the suction electromagnet 39 to the top of the finished product, and after the push rod of the second lifting cylinder 37 moves downward, the product is adsorbed, and then the push rod of the second lifting cylinder 37 moves upward, and the push rod of the unloading cylinder 34 moves to the left to bring the finished product to the top of the unloading channel 310, and the finished product is guided by the unloading channel 310 into the plastic frame for storage. Figure 6 In the embodiment, the material discharge channel 310 is a U-shaped elongated body for catching the finished products that fall down.

[0028] Please refer to Figure 1 The press-fit welding device also includes a cam divider assembly 40, which includes a four-station turntable 41 and four conductive welding dies 42 arranged on the four-station turntable 41. The welding conductive dies 42 are electrically connected to the lower electrode of the desktop fixed spot welding machine 20 through the mounting holes on the four-station turntable 41. When the conductive welding dies 42 bring the press-fitted product to the welding station, the upper electrode of the desktop fixed spot welding machine 20 performs the welding process of the nut and the nut plate downward.

[0029] In addition, if Figure 1As shown, the press-fit welding device also includes a touch screen mounting assembly 50 and an equipment chassis 60, and the mechanism mounting plate 70 is arranged on the equipment chassis 60; the touch screen mounting assembly 50, the cam divider assembly 40, the unloading mechanism 30, the feeding mechanism 12 and the press-fitting mechanism 13 are arranged on the mechanism mounting plate 70; the touch screen mounting assembly 50, the cam divider assembly 40, the unloading mechanism 30, the desktop fixed spot welding machine 20 and the feeding press-fitting mechanism 10 are electrically connected to the equipment chassis 60.

[0030] The specific operation logic of the automatic press-fitting and welding integrated device involved in the present application is: the material is loaded manually at the turntable loading station, the turntable rotates to send the product to the nut pressing station, and the mechanism takes the nut and puts the nut into the nut plate. After the pressing mechanism completes the pressing of the nut, the turntable rotates again to send the product to the welding station, and the desktop fixed spot welding machine 20 completes the welding process. After that, the turntable rotates again to send the product to the unloading station, and the unloading mechanism 30 takes and unloads the material to complete the entire processing process.

[0031] It should be noted that the use of terms such as "first" and "second" to limit components is only to facilitate the distinction between corresponding components. Unless otherwise stated, the above terms have no special meaning and therefore cannot be understood as limiting the scope of protection of this application.

[0032] In the description of the present application, it should be understood that the directions or positional relationships indicated by directional words such as "front, back, up, down, left, right", "lateral, vertical, perpendicular, horizontal" and "top, bottom" are usually based on the directions or positional relationships shown in the drawings, and are only for the convenience of describing the present application and simplifying the description. Unless otherwise specified, these directional words do not indicate or imply that the device or element referred to must have a specific direction or be constructed and operated in a specific direction, and therefore cannot be understood as limiting the scope of protection of the present application; the directional words "inside and outside" refer to the inside and outside relative to the contours of each component itself.

[0033] At the same time, it should be understood that for the convenience of description, the sizes of the various parts shown in the drawings are not drawn according to the actual proportional relationship.

[0034] The above disclosures are only several specific embodiments of the present invention, but the present invention is not limited thereto, and any changes that can be conceived by those skilled in the art should fall within the protection scope of the present invention.

Claims

1. A press-fit welding device, characterized in that: The press-fit welding device comprises a feeding press-fit mechanism and a mechanism mounting plate, wherein the feeding press-fit mechanism comprises a feeding mechanism with a nut feeding channel, a feeding mechanism and a press-fit mechanism, wherein: The press-fitting mechanism comprises a support structure consisting of a left support plate, a right support plate and an upper cover plate, a nut press-fitting cylinder arranged on the upper cover plate and a pressing block arranged on a push rod of the nut press-fitting cylinder, wherein the pressing block is used for press-fitting; The feeding mechanism includes a dislocation material pushing mechanism and a material clamping and pushing mechanism, wherein: The offset lifting mechanism includes an offset cylinder mounting plate, an offset lifting cylinder and a sensor mounting bracket arranged on the offset cylinder mounting plate, a nut feeding seat arranged on the push rod of the offset lifting cylinder, and a photoelectric sensor arranged on the sensor mounting bracket for sensing nuts, the nut feeding seat is located at the feeding end of the nut feeding channel, and the nut feeding seat is used to receive the nuts conveyed by the nut feeding channel; The material clamping and pushing mechanism includes a lifting cylinder seat arranged on the inner side of the right supporting plate, a first lifting cylinder arranged on the lifting cylinder seat, a pushing mounting block arranged on the push rod of the first lifting cylinder, a pushing cylinder mounting seat and a push rod slide groove arranged on the pushing mounting block, a pushing cylinder arranged on the pushing cylinder mounting seat, a clamping cylinder seat arranged on the push rod of the pushing cylinder, and a clamping finger cylinder arranged on the clamping cylinder seat; a rear clamping jaw and a front clamping jaw are arranged on the clamping finger cylinder, a front clamping jaw is arranged on the front clamping jaw, the front clamping jaw is arranged on the front clamping jaw, the front clamping rod is sleeved and connected to the push rod slide groove, and the end of the front clamping rod is a nut profiling portion; two clamping connecting rods are arranged on the rear clamping jaw, the clamping connecting rod is sleeved and connected to the push rod slide groove and a front clamping block is arranged on the other end of the clamping connecting rod, and the nut profiling portion is combined with the front clamping block for clamping the nut.

2. The press-fit welding device according to claim 1, characterized in that: The press-fit welding device also includes a feeding mechanism, which includes a feeding mechanism base, a guide rail slot arranged on the feeding mechanism base, a feeding cylinder mounting seat arranged at one end of the guide rail slot, a feeding cylinder arranged on the feeding cylinder mounting seat, a linear guide rail arranged on the side of the guide rail slot, a lifting cylinder fixing seat arranged on the slider of the guide rail slot, and a second lifting cylinder arranged on the lifting cylinder fixing seat; the push rod of the feeding cylinder is connected to the lifting cylinder fixing seat, an electromagnet mounting seat is arranged on the push rod of the second lifting cylinder, and a suction electromagnet is arranged on the electromagnet mounting seat; a feeding channel is arranged on the feeding mechanism base for feeding.

3. The press-fit welding device according to claim 2, characterized in that: The press-fit welding device also includes a cam divider assembly, which includes a four-station turntable and four conductive welding molds arranged on the four-station turntable. The conductive welding mold is electrically connected to the lower electrode of the desktop fixed spot welding machine through the mounting hole on the four-station turntable.

4. The press-fit welding device according to claim 3, characterized in that: The press-fit welding device also includes a touch screen mounting assembly and an equipment chassis, and the mechanism mounting plate is arranged on the equipment chassis; the touch screen mounting assembly, the cam divider assembly, the unloading mechanism, the feeding mechanism and the press-fitting mechanism are arranged on the mechanism mounting plate; the touch screen mounting assembly, the cam divider assembly, the unloading mechanism, the desktop fixed spot welding machine and the feeding press-fitting mechanism are electrically connected to the equipment chassis.

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