A fastener stamping die switching device and stamping forming equipment

Abstract

This invention relates to the field of stamping die technology, and discloses a fastener stamping die switching device and stamping forming equipment, including a stamping die for stamping heated bar stock, deforming one end of the bar stock to form a bolt head; a rotating disk connected to the stamping die for positioning different stamping dies in a predetermined stamping area; a limiting protrusion connected to the rotating disk; a limiting cylinder; and a limiting sleeve connected to the output end of the limiting cylinder, the limiting sleeve being fitted onto the limiting protrusion to provide secondary limiting for the rotating disk; this die can realize die switching, thereby completing multi-stage stamping of the bar stock to form a bolt structure; simultaneously, this stamping die can also be used for cutting, i.e., one of the stamping dies is a cutting head, which can be positioned in the cutting area after the stamping work is completed, thereby completing the cutting work of the workpiece.

Description

Technical Field

[0001] This invention relates to the field of stamping die technology, specifically a fastener stamping die switching device and stamping forming equipment. Background Technology

[0002] Stamping dies are process equipment used in cold stamping to process materials into parts, enabling the separation or deformation of blanks. They are classified according to the nature of the process, such as blanking dies and bending dies, and according to the degree of process combination, such as single-operation dies and compound dies. Composed of process and structural parts, they are commonly made of materials such as alloy steel and are widely used in the automotive, home appliance, and electronics industries.

[0003] For example, Chinese patent application CN107377773A discloses a stamping die, including a stamping base, a fixing mechanism, a stamping die head, and punching parts; the stamping die head is disposed above the stamping base, and multiple punching parts are detachably fixed to the lower surface of the stamping die head; the stamping base is provided with punching grooves that mate with the punching parts; the internal part of the stamping base is hollow to form a cavity, and a collection drawer is provided in the cavity; the punching grooves are connected to the collection drawer; and multiple fixing mechanisms are provided on the side of the stamping base.

[0004] However, the above-mentioned stamping dies still have some problems in use. Most of the existing workpieces that need to be stamped are relatively complex in structure, so multiple stamping operations are required to form the workpiece. However, the position of the existing stamping dies is mostly fixed, so the position of the workpiece needs to be adjusted during the stamping process. And one end of the workpiece has a certain temperature, which can easily cause accidents during the transfer process.

[0005] Therefore, how to perform multiple stamping operations on the workpiece by changing the mold is a problem that needs to be solved. Summary of the Invention

[0006] This invention provides a fastener stamping die switching device and a stamping forming equipment to solve the above-mentioned problems existing in the prior art.

[0007] A fastener stamping die switching device, comprising:

[0008] Stamping dies are used to stamp heated bar stock, deforming one end of the bar stock to form the head of a bolt.

[0009] A rotary disk, connected to the stamping die, is used to position different stamping dies in a predetermined stamping area;

[0010] A limiting protrusion is connected to the rotating disk;

[0011] A limiting cylinder and a limiting sleeve connected to the output end of the limiting cylinder, wherein the limiting sleeve is fitted onto the limiting protrusion to perform secondary limiting on the rotating disk;

[0012] The rotation of the rotary table positions different stamping dies in a predetermined location, allowing for the switching of stamping dies.

[0013] A stamping forming equipment includes a stamping table, a tapping device and a cleaning unit, a descaling unit disposed on the stamping table, a stamping assembly fixedly installed on the stamping table, and a robot arm located between the stamping assembly and the descaling unit.

[0014] The descaling unit includes a descaling chamber fixedly installed on the stamping table, a feeding slide rail located inside the descaling chamber, the feeding slide rail having an inverted trapezoidal structure, and multiple descaling components disposed on the inclined surface of the inverted trapezoidal structure.

[0015] There is a predetermined angle between adjacent descaling components, allowing them to perform cross-descaling operations;

[0016] It also includes a stamping die switching device, which is located on the stamping assembly;

[0017] Both the rotary disk and the limiting cylinder are mounted on the stamping assembly.

[0018] Furthermore, the descaling assembly includes a descaling seat fixedly installed in the descaling chamber, a flow channel provided in the descaling seat, a delivery pipe detachably connected to the descaling seat, an opening provided on the descaling seat and located in the flow channel, an air delivery chamber built into the flow channel, a control part provided on the descaling seat for controlling the flow of the air delivery chamber, and an air outlet seat and a flow divider seat provided in the descaling seat.

[0019] Both the air outlet seat and the diverter seat are columnar mechanisms. The air outlet seat is provided with a tapered through hole, wherein the top of the tapered through hole is closer to the conveying pipe than the bottom.

[0020] After the mixture of airflow and water flow passes through the conical through-hole, the fluid moves away from the center of the cross-section of the distributor seat and is discharged from the gap between the distributor seat and the inner wall of the descaling seat.

[0021] Furthermore, the opening part includes a drive cylinder and a sleeve fixedly installed on the descaling seat, an air jet seat fixedly installed inside the descaling seat, and a sealing gasket disposed at the output end of the drive cylinder.

[0022] The sleeve is provided with a connecting hole in the circumferential direction;

[0023] By driving the movement of the cylinder, the position of the sealing gasket is adjusted to block the delivery port of the jet seat and control the flow of air.

[0024] Furthermore, the air supply chamber includes an air supply pipe disposed on the inner wall of the descaling seat, a drainage pipe built into the air supply pipe, and an exhaust plate disposed at the air outlet end of the air supply pipe.

[0025] There is a certain gap between the gas supply pipe and the descaling seat, and the gap is used for fluid flow;

[0026] The gas pipeline is provided with a junction port, which is used to connect the gap with the inside of the gas pipeline.

[0027] The exhaust plate is provided with multiple exhaust holes, and the drainage pipe is a variable diameter pipe structure, with the pipe diameter gradually decreasing along the flow direction of the fluid, thereby increasing the flow velocity of the fluid.

[0028] Furthermore, the control unit includes a mounting base and a water supply pipe fixedly installed on the descaling seat, a control motor fixedly connected to the mounting base, a limiting rod disposed at the output end of the control motor and screwed to the mounting base, and a sealing block fixedly installed on the limiting rod;

[0029] The sealing block is located in the gap and is used to block the junction to control the fluid from entering the gas pipeline;

[0030] One end of the water supply pipe is connected to the gap.

[0031] Furthermore, the cleaning unit includes a cleaning seat, a water outlet pipe disposed on the cleaning seat, a protective cover fixedly mounted on the cleaning seat, a cleaning frame fixedly mounted inside the protective cover, a plurality of cleaning components evenly disposed on the cleaning seat, a drive plate connected to the cleaning components, an adjustment part fixedly mounted on the cleaning frame and abutting against the drive plate, a plurality of load motors fixedly mounted on the cleaning frame, and an adjustment wheel connected to the output end of the load motors;

[0032] The drive board is provided with a circular through-hole, and the area between the cleaning components is a cleaning zone.

[0033] Depending on the size of the bolt, the bolt end is brought into contact with the drive plate or adjusting wheel to complete different types of thread cleaning work.

[0034] Furthermore, the cleaning assembly includes an L-shaped fixing rod fixedly mounted on the cleaning seat, an adjusting slide rail fixedly mounted on one end of the fixing rod and a plurality of meshing gears, a slide rod slidably connected to the adjusting slide rail, a drive wheel mounted on the slide rod, a rack connected to the slide rod and meshing with the gears, an elastic element mounted on one end of the slide rod, the other end of the elastic element being connected to the fixing rod, and bristles connected to the gears;

[0035] The bristles and gears are located on both sides of the fixing rod;

[0036] The drive wheel abuts against the drive plate, and there is a certain angle between the axis of the drive wheel and the axis of the circular through hole.

[0037] Furthermore, the adjustment unit includes a base fixedly mounted on the cleaning seat, a lifting motor fixedly mounted on the base, a first cam connected to the output end of the lifting motor, a first slide rail fixedly mounted on the base, a first slider slidably connected to the first slide rail, a lifting plate connected to the first slider, two first drive wheels disposed at one end of the lifting plate, an oblong hole opened at the other end of the lifting plate, an adjustment rod movably connected to the base, two second drive wheels symmetrically disposed on the adjustment rod, a second slide rail fixedly mounted on the base, a second slider slidably connected to the second slide rail, and a limiting block connected to the second slider;

[0038] The first cam has a convex groove on one side, wherein the convex groove is located between the two first drive wheels;

[0039] The second slider is provided with a groove, one of the second drive wheels is located in the groove, and the other second drive wheel is located in the waist-shaped hole. The base is provided with a notch.

[0040] Furthermore, the adjustment unit also includes a hinge rod movably connected to the base, third drive wheels symmetrically arranged at both ends of the hinge rod, a third slide rail fixedly installed on the base, a third slider slidably connected to the third slide rail, and a lifting plate connected to the third slider;

[0041] The lifting plate is provided with a U-shaped placement groove, and the back of the first cam is also provided with a driving groove.

[0042] One of the third drive wheels is located in the drive groove, and the other third drive wheel is located in the U-shaped placement groove.

[0043] Beneficial Effects: This invention discloses a fastener stamping die switching device and stamping forming equipment. To enable multiple stamping operations on the workpiece by changing the die, the device incorporates a rotating disk, a limiting protrusion, and a limiting cylinder to facilitate die switching and multi-stage stamping of the bar stock, forming a bolt structure. Simultaneously, the device includes a descaling unit. Through negative pressure suction of gas onto the fluid, the gas carrying the fluid cools the bar stock during descaling, causing the oxide scale to detach. The control unit can then be closed to allow the gas to blow away the attached oxide scale, thus removing it. This process reduces fluid usage and prevents the bar stock temperature from dropping too quickly, which could lead to stamping failure. Furthermore, a cleaning unit allows the brush bristles to rotate, move along the bolt axis, or move circumferentially around the bolt. The appropriate cleaning method is selected based on the bolt type or the depth of the thread after tapping, completing the bolt cleaning process. Attached Figure Description

[0044] Figure 1 This is a perspective view of a fastener stamping die switching device according to the present invention;

[0045] Figure 2 This is a schematic diagram of the descaling assembly structure of the present invention;

[0046] Figure 3 This is a schematic diagram of the control unit structure of the present invention;

[0047] Figure 4 This is a schematic diagram of the gas delivery chamber structure of the present invention;

[0048] Figure 5 This is a schematic diagram of the cleaning unit structure of the present invention;

[0049] Figure 6 This is a schematic diagram of the cleaning component structure of the present invention;

[0050] Figure 7 This is a perspective view of the cleaning unit of the present invention;

[0051] Figure 8 This is a schematic diagram of the adjustment part of the present invention;

[0052] Figure 9 This is a schematic diagram of the adjustment part of the present invention.

[0053] Reference numerals: 1. Stamping table; 2. Descaling unit; 21. Descaling chamber; 22. Feeding slide rail; 23. Descaling assembly; 231. Descaling seat; 232. Conveying pipe; 233. Drive cylinder; 234. Sealing gasket; 235. Sleeve; 236. Jet seat; 237. Air supply chamber; 2371. Air supply pipe; 2372. Drainage pipe; 2373. Exhaust plate; 2374. Water supply pipe; 238. Control unit; 2381. Control motor; 2382. Mounting base; 2383. Limiting rod; 2384. Sealing block; 239. Air outlet seat; 2310. Diverter seat; 3. Robotic arm; 4. Stamping assembly; 5. Rotary disk; 6. Stamping die; 7. Limiting cylinder; 8. Limiting protrusion; 9. Cleaning unit; 91. Cleaning seat; 92. Protective cover; 93. Adjustment... 94. Segment wheel; 941. Cleaning assembly; 942. Fixing rod; 943. Adjusting slide rail; 944. Slide rod; 945. Drive wheel; 946. Elastic element; 947. Rack; 948. Gear; 95. Cleaning frame; 96. Adjustment part; 961. Base; 962. Lifting motor; 963. First slide rail; 964. First slider; 965. Lifting plate; 966. First drive wheel; 967. Second slide rail; 968. Limit block; 969. Adjusting rod; 9610. Second drive wheel; 9611. Drive groove; 9612. Hinge rod; 9613. Third drive wheel; 9614. Lifting plate; 9615. Third slide rail; 9616. Third slider; 9617. Second slider; 9618. First cam; 97. Drive plate; 98. Water outlet pipe. Detailed Implementation

[0054] To make the above-mentioned objects, features and advantages of the present invention more apparent and understandable, the specific embodiments of the present invention will be described in detail below with reference to the accompanying drawings.

[0055] Many specific details are set forth in the following description in order to provide a full understanding of the invention. However, the invention may also be practiced in other ways different from those described herein, and those skilled in the art can make similar extensions without departing from the spirit of the invention. Therefore, the invention is not limited to the specific embodiments disclosed below.

[0056] Secondly, the term "one embodiment" or "embodiment" as used herein refers to a specific feature, structure, or characteristic that may be included in at least one implementation of the present invention. The phrase "in one embodiment" appearing in different places in this specification does not necessarily refer to the same embodiment, nor is it a single or selective embodiment that is mutually exclusive with other embodiments.

[0057] This invention discloses a fastener stamping die switching device and a stamping forming equipment, with reference to... Figures 1-9 ,include:

[0058] A stamping die 6 is used to stamp a heated bar stock, deforming one end of the bar stock into the head of a bolt (i.e., a fastener); a rotating disk 5 is connected to the stamping die 6 and is used to position different stamping dies 6 in predetermined stamping areas; a limiting protrusion 8 is connected to the rotating disk 5; a limiting cylinder 7 and a limiting sleeve connected to the output end of the limiting cylinder 7 are provided, the limiting sleeve being fitted onto the limiting protrusion 8 to provide secondary limiting for the rotating disk 5; the rotation of the rotating disk 5 allows different stamping dies to be positioned within a predetermined stamping area. When mold 6 is in a predetermined position, the stamping mold 6 is switched. When it is necessary to process it into a countersunk bolt, the limiting cylinder 7 starts to work. The moving limiting cylinder 7 can drive the limiting sleeve to start working, so that the limiting sleeve moves away from the limiting protrusion 8. Then the rotating disk 5 rotates, so that another stamping mold 6 is in a predetermined stamping position. Then the limiting cylinder 7 works in the opposite direction, so that the limiting sleeve is fitted on the limiting protrusion 8, completing the limiting work of the rotating disk 5. Then the stamping assembly 4 performs a second stamping of the bolt.

[0059] The system includes a stamping table 1, a tapping device, and a cleaning unit 9; a descaling unit 2 mounted on the stamping table 1; a stamping assembly 4 fixedly mounted on the stamping table 1; and a robotic arm 3 located between the stamping assembly 4 and the descaling unit 2. The descaling unit 2 includes a descaling chamber 21 fixedly mounted on the stamping table 1, a feeding slide rail 22 located within the descaling chamber 21 (the feeding slide rail 22 has an inverted trapezoidal structure), and multiple descaling assemblies 23 arranged on the inclined surface of the inverted trapezoidal structure. A predetermined angle exists between adjacent descaling assemblies 23, enabling them to perform cross-descaling operations. It also includes a stamping die 6 switching device located on the stamping assembly 4; and a rotary table 5 and... Limit cylinders 7 are all installed on the stamping assembly 4; by using the negative pressure of gas to attract fluid, the gas carrying fluid can cool the bar stock during descaling, causing the oxide scale to detach from the bar stock. Then, by closing the control unit 238, the gas can blow away the attached oxide scale, thereby removing the oxide scale. In this process, the use of fluid is reduced to avoid the bar stock temperature dropping too quickly and causing stamping failure. At the same time, the cleaning unit 9 can make the bristles rotate or move along the bolt axis or along the bolt circumference. The appropriate cleaning method can be selected according to the type of bolt or the depth of the thread after tapping, thus completing the cleaning work of the bolt.

[0060] The descaling assembly 23 includes a descaling seat 231 fixedly installed in the descaling chamber 21, a flow channel within the descaling seat 231, a delivery pipe 232 detachably connected to the descaling seat 231, an opening portion disposed on the descaling seat 231 and located in the flow channel, an air delivery chamber 237 built into the flow channel, a control portion 238 disposed on the descaling seat 231 for controlling the flow in the air delivery chamber 237, and an air outlet seat 239 and a flow divider seat 2310 disposed in the descaling seat 231. Both the air outlet seat 239 and the flow divider seat 2310 are columnar mechanisms. The air outlet seat 239 has a conical through hole, wherein the top of the conical through hole is opposite to... The mixture of airflow and water flows through a tapered through-hole and moves away from the center of the cross-section of the distributor seat 2310, and is discharged from the gap between the distributor seat 2310 and the inner wall of the descaling seat 231. The opening part includes a drive cylinder 233 and a sleeve 235 fixedly installed on the descaling seat 231, a jet seat 236 fixedly installed inside the descaling seat 231, and a sealing gasket 234 provided at the output end of the drive cylinder 233. The sleeve 235 has a connecting hole in the circumferential direction. By moving the drive cylinder 233, the position of the sealing gasket 234 is adjusted to block the delivery port of the jet seat 236 and control the flow of airflow.

[0061] When gas injection is required, high-pressure gas enters the jet seat 236 from the delivery pipe 232, and then the drive cylinder 233 starts working. The moving drive cylinder 233 can drive the sealing gasket 234 to start working. At this time, the sealing gasket 234 can move away from the jet hole on the jet seat 236. Then the high-pressure gas can enter the sleeve 235 through the connecting hole and enter the gas delivery chamber 237 along the jet seat 236. Then the gas enters the outlet seat 239 through the gas delivery chamber 237 and then exits the descaling seat 231 through the diverter seat 2310. Through the structure of the outlet seat 239 and the diverter seat 2310, the gas injection area can be expanded, thereby ensuring that the descaling work of the bar stock can be completed, so that the oxide scale can be removed from the bar stock and avoid the failure of the stamping work due to the presence of oxide scale.

[0062] The air supply chamber 237 includes an air supply pipe 2371 disposed on the inner wall of the descaling seat 231, a drainage pipe 2372 built into the air supply pipe 2371, and an exhaust plate 2373 disposed at the air outlet end of the air supply pipe 2371; there is a certain gap between the air supply pipe 2371 and the descaling seat 231, the gap being used for fluid flow; the air supply pipe 2371 is provided with a junction port, the junction port being used to connect the gap and the interior of the air supply pipe 2371; the exhaust plate 2373 is provided with multiple exhaust holes; the drainage pipe 2372 is a variable diameter pipe structure, and the drainage pipe 2372 is aligned with the fluid flow direction. The diameter of pipe 2 gradually decreases, increasing the fluid velocity. The control unit 238 includes a mounting base 2382 and a water supply pipe 2374 fixedly mounted on the descaling seat 231, a control motor 2381 fixedly connected to the mounting base 2382, a limiting rod 2383 located at the output end of the control motor 2381 and screwed to the mounting base 2382, and a sealing block 2384 fixedly mounted on the limiting rod 2383. The sealing block 2384 is located in the gap and is used to block the junction, controlling the fluid from entering the air supply pipe 2371. One end of the water supply pipe 2374 communicates with the gap.

[0063] When gas-liquid mixing is required, the control motor 2381 starts working. The moving control motor 2381 drives the limit rod 2383 to work, and then the moving limit rod 2383 drives the sealing block 2384 to move, adjusting the distance between the sealing block 2384 and the junction. Then, liquid is transported from the water pipe 2374, and the liquid can enter between the drainage pipe 2372, the exhaust pipe and the gas pipe 2371 through the gap. Since the drainage pipe 2372 is a variable diameter type... The pipeline structure has an exhaust plate 2373 fitted onto one of the guide pipes 2372. Therefore, after the airflow passes through the guide pipe 2372, the gas velocity will increase, thereby forming a negative pressure area, which can then adsorb the liquid. The air outlet seat 239 can mix the airflow and the liquid. When the gas-liquid mixture passes through the flow divider seat 2310, it will be connected with the flow divider seat 2310, thereby forming small droplets, which can then be sprayed onto the bar stock.

[0064] When removing the oxide scale from the surface of the bar stock, the control unit 238 and the drive cylinder 233 start working, so that the gas and fluid are mixed and discharged from the distributor 2310. Through the contact between the liquid and the bar stock, according to the principle of thermal expansion and contraction, the oxide scale is detached from the bar stock. Then, the control motor 2381 in the control unit 238 causes the sealing block 2384 to block the gap. At this time, high-pressure gas is discharged, which can blow off the attached oxide scale. By changing the spray from gas and liquid to gas, the oxide scale removal work can be completed. Moreover, by reducing the use of liquid, the bar stock temperature can be prevented from dropping too much, which could cause failure of the subsequent stamping work and ensure the smooth progress of the stamping work.

[0065] The cleaning unit 9 includes a cleaning seat 91, a water outlet pipe 98 disposed on the cleaning seat 91, a protective cover 92 fixedly mounted on the cleaning seat 91, a cleaning frame 95 fixedly mounted inside the protective cover 92, multiple cleaning components 94 evenly disposed on the cleaning seat 91, a drive plate 97 connected to the cleaning components 94, an adjustment part 96 fixedly mounted on the cleaning frame 95 and abutting against the drive plate 97, multiple load motors fixedly mounted on the cleaning frame 95, and an adjustment wheel 93 connected to the output end of the load motors; the drive plate 97 has a circular through hole, and the area between the cleaning components 94 is the cleaning area; according to the size of the bolt, the bolt end abuts against the drive plate 97 or the adjustment wheel 93, thereby completing different types of thread cleaning work; after the stamping work is completed, the bolt needs to be moved to a predetermined position and allowed to cool, then cutting fluid is applied to the cooled bolt, then tapping is performed, and finally the tapped bolt is placed in the cleaning area of ​​the cleaning unit 9;

[0066] Once the bolt is in the cleaning area, as it is placed by the handling arm, the water outlet 98 sprays out cleaning fluid, which comes into contact with the bolt shank, thus completing the initial cleaning of the bolt.

[0067] In a further embodiment, since the thread has a U-shaped cross-section, rinsing alone will result in a large amount of residue remaining on its inner wall, leading to incomplete cleaning.

[0068] To solve the above problems, the cleaning assembly 94 includes an L-shaped fixing rod 941 fixedly mounted on the cleaning seat 91, an adjusting slide rail 942 fixedly mounted on one end of the fixing rod 941 and a plurality of meshing gears 947, a slide rod 943 slidably connected to the adjusting slide rail 942, a drive wheel 944 mounted on the slide rod 943, a rack 946 connected to the slide rod 943 and meshing with the gears 947, an elastic element 945 mounted on one end of the slide rod 943, the other end of the elastic element 945 being connected to the fixing rod 941, and bristles connected to the gears 947; the bristles and the gears 947 are located on both sides of the fixing rod 941; the drive wheel 944 abuts against the drive plate 97, and there is a certain angle between the axis of the drive wheel 944 and the axis of the circular through hole;

[0069] When the bolt (with an end diameter larger than the diameter of the circular through hole but smaller than the diameter of the inscribed circle of the adjusting wheel 93) is located in the cleaning area, the driving plate 97 is moved by the adjusting part 96. The moving driving plate 97 can squeeze the driving wheel 944, which in turn can move the slide rod 943 on the adjusting slide rail 942. The moving slide rod 943 can drive the rack 946 to move, which in turn can drive the gear 947 to rotate. The moving gear 947 can drive the brush bristles to rotate. At this time, the brush bristles can rotate and clean the bolt axially upward, thus completing the cleaning of the threads. The elastic element 945 ensures that the driving wheel 944 is always in contact with the driving plate 97, ensuring that the device can complete the cleaning work.

[0070] When the bolt (with an end diameter greater than the inscribed circle diameter of the adjusting wheel 93 and less than the end diameter of the cleaning frame 95) is located in the cleaning area, the bolt end is on the adjusting wheel 93. At this time, the load motor starts to work, which drives the adjusting wheel 93 to rotate. The moving adjusting wheel 93 drives the bolt to rotate, and then the set adjusting part 96 drives the drive plate 97 to move, so that the bristles can rotate and clean the threads in the circumferential direction of the bolt. Compared with the previous bolt, this bolt is a large bolt with deeper threads. When cleaning, the thread grooves need to be cleaned. By rotating it, the bristles can move along the circumferential direction of the bar to complete the cleaning work.

[0071] The adjusting unit 96 includes a base 961 fixedly mounted on the cleaning seat 91, a lifting motor 962 fixedly mounted on the base 961, a first cam 9618 connected to the output end of the lifting motor 962, a first slide rail 963 fixedly mounted on the base 961, a first slider 964 slidably connected to the first slide rail 963, a lifting plate 965 connected to the first slider 964, two first drive wheels 966 disposed at one end of the lifting plate 965, an oblong hole opened at the other end of the lifting plate 965, and an adjusting rod 969 movably connected to the base 961. The system includes two second drive wheels 9610 symmetrically arranged on the adjusting rod 969, a second slide rail 967 fixedly mounted on the base 961, a second slider 9617 slidably connected to the second slide rail 967, and a limiting block 968 connected to the second slider 9617; one side of the first cam 9618 is provided with a convex groove, wherein the convex groove is located between the two first drive wheels 966; the second slider 9617 is provided with a sliding groove, one of the second drive wheels 9610 is located in the sliding groove, and the other second drive wheel 9610 is located in the waist-shaped hole; the base 961 is provided with a notch.

[0072] The adjustment unit 96 further includes a hinge rod 9612 movably connected to the base 961, third drive wheels 9613 symmetrically arranged at both ends of the hinge rod 9612, a third slide rail 9615 fixedly installed on the base 961, a third slider 9616 slidably connected to the third slide rail 9615, and a lifting plate 9614 connected to the third slider 9616; the lifting plate 9614 is provided with a U-shaped placement groove, and the back of the first cam 9618 is also provided with a drive groove 9611; one of the third drive wheels 9613 is located in the drive groove 9611, and the other third drive wheel 9613 is located in the U-shaped placement groove;

[0073] In the initial state, the drive plate 97 is located between the notches through the elastic element 945. When the drive plate 97 needs to be lowered, the lifting motor 962 starts to work. The moving lifting motor 962 drives the first cam 9618 to rotate. Then the moving first cam 9618 drives the first drive wheel 966 to move, thereby moving the lifting plate 965 in the length direction of the first slide rail 963. Then the moving lifting plate 965 can drive the second drive wheel 9610 to move. Then the moving second drive wheel 9610 can drive the adjusting rod 969 to move. Thus, through the second slider 9617, the limiting block 968 can be moved down, thereby lowering the position of the drive plate 97 and completing the adjustment of the position of the drive plate 97.

[0074] When the drive plate 97 needs to be raised, the lifting motor 962 works in reverse. Due to the presence of the elastic element 945, the drive plate 97 can return to its initial position. Then, the moving first cam 9618 can drive the third drive wheel 9613 to move. Thus, through the hinge rod 9612, the third slider 9616 can move along the length of the third slide rail 9615, thereby driving the lifting plate 9614 to move and make the lifting plate 9614 abut against the drive plate 97, completing the lifting work of the drive plate 97.

[0075] By changing the position of the drive plate 97, axial movement is created between the bolt and the brush bristles. During this axial movement, the change in the position of the drive plate 97 also causes the brush bristles to rotate, thus completing the cleaning of the bolt.

[0076] In a further embodiment, the protective cover 92 is also provided with a water spray unit, which can provide cleaning fluid during the rotation of the brush bristles to ensure the smooth progress of the cleaning work.

[0077] The stamping assembly 4, the rotating disk 5 and the robotic arm 3 are existing technologies, and the cleaning seat 91 is provided with a water outlet.

[0078] The stamping device includes a stamping table 1, a tapping device, and a cleaning unit 9. The stamping forming device also includes various handling equipment and a cooling chamber. Through the operation of one of the handling equipment, the stamped bar stock can be transported to a predetermined cooling position. Then, another handling equipment transports the stamped bar stock (bolt) to the tapping device and applies cutting fluid during the tapping process. After the tapping process is completed, another handling equipment places the tapped bolt into the cleaning unit 9. The cleaning unit 9 then performs the brushing work on the threads of the bolt.

[0079] Working principle description: When changing molds, the heated bar stock is first transported to the designated position by the descaling unit 2. Then, the robot arm 3 handles the bar stock and places it in the designated stamping position. Then, the stamping assembly 4 starts working to complete the stamping of the bar stock. When it is necessary to process it into a countersunk bolt, the limiting cylinder 7 starts working. The moving limiting cylinder 7 can drive the limiting sleeve to work, so that the limiting sleeve moves away from the limiting protrusion 8. Then, the rotating disk 5 rotates, so that another stamping mold 6 is in the designated stamping position. Then, the limiting cylinder 7 works in the opposite direction, so that the limiting sleeve is fitted on the limiting protrusion 8 to complete the limiting work of the rotating disk 5. Then, the stamping assembly 4 performs secondary stamping on the bolt. Then, through the existing handling equipment, the bolt can be cooled, tapped and cleaned. Finally, it can be placed on the arc pressing machine to complete the stamping of the fastener.

[0080] When gas injection is required, high-pressure gas enters the jet seat 236 from the delivery pipe 232, and then the drive cylinder 233 starts to work. The moving drive cylinder 233 can drive the sealing gasket 234 to work. At this time, the sealing gasket 234 can move away from the jet hole on the jet seat 236. Then the high-pressure gas can enter the sleeve 235 through the connecting hole and enter the gas delivery chamber 237 along the jet seat 236. Then the gas enters the outlet seat 239 through the gas delivery chamber 237 and then exits the descaling seat 231 through the diverter seat 2310. Through the structure of the outlet seat 239 and the diverter seat 2310, the gas injection area can be expanded, thereby ensuring that the descaling work of the bar stock can be completed, so that the oxide scale can be removed from the bar stock and avoid the failure of the stamping work due to the presence of oxide scale during the stamping process.

[0081] When gas-liquid mixing is required, the control motor 2381 starts working. The moving control motor 2381 drives the limit rod 2383 to work, and then the moving limit rod 2383 drives the sealing block 2384 to move, adjusting the distance between the sealing block 2384 and the junction. Then, liquid is transported from the water pipe 2374, and the liquid can enter between the drainage pipe 2372, the exhaust pipe and the gas pipe 2371 through the gap. Since the drainage pipe 2372 is a variable diameter type... The pipeline structure has an exhaust plate 2373 fitted onto one of the guide pipes 2372. Therefore, after the airflow passes through the guide pipe 2372, the gas velocity will increase, thereby forming a negative pressure area, which can then adsorb the liquid. The air outlet seat 239 can mix the airflow and the liquid. When the gas-liquid mixture passes through the flow divider seat 2310, it will be connected with the flow divider seat 2310, thereby forming small droplets, which can then be sprayed onto the bar stock.

[0082] The drive plate 97 is moved by the adjustment part 96. The moving drive plate 97 can squeeze the drive wheel 944, so the moving drive wheel 944 can move the slide bar 943 on the adjustment slide rail 942. The moving slide bar 943 can drive the rack 946 to move, which in turn can drive the gear 947 to rotate. The moving gear 947 can drive the bristles to rotate, thereby completing the cleaning work of the threads.

[0083] When the drive plate 97 needs to be lowered, the lifting motor 962 starts to work. The moving lifting motor 962 drives the first cam 9618 to rotate. Then the moving first cam 9618 drives the first drive wheel 966 to move, thereby causing the lifting plate 965 to move in the length direction of the first slide rail 963. Then the moving lifting plate 965 can drive the second drive wheel 9610 to move. Then the moving second drive wheel 9610 can drive the adjusting rod 969 to move. Thus, through the set second slider 9617, the limiting block 968 can be moved down, thereby lowering the position of the drive plate 97 and completing the adjustment of the position of the drive plate 97.

[0084] When the drive plate 97 needs to be raised, the lifting motor 962 works in reverse. Due to the presence of the elastic element 945, the drive plate 97 can return to its initial position. Then, the moving first cam 9618 can drive the third drive wheel 9613 to move. Thus, through the hinge rod 9612, the third slider 9616 can move along the length of the third slide rail 9615, thereby driving the lifting plate 9614 to move and abut against the drive plate 97, completing the lifting of the drive plate 97.

[0085] The preferred embodiments of the present invention have been described in detail above with reference to the accompanying drawings. However, the present invention is not limited to the specific details of the above embodiments. Within the scope of the technical concept of the present invention, various equivalent transformations can be made to the technical solutions of the present invention, and all such equivalent transformations fall within the protection scope of the present invention.

Claims

1. A press forming apparatus having a fastener press die switching device, characterized by, The fastener punch die switching device comprises: A punch die (6) for punching the heated bar to deform one end of the bar into a bolt head; A rotating disc (5) connected with the punch die (6) for positioning different punch dies (6) in a predetermined punching area; A limiting protrusion (8) connected with the rotating disc (5); A limiting cylinder (7) and a limiting sleeve connected with the output end of the limiting cylinder (7) and sleeved on the limiting protrusion (8) for limiting the rotating disc (5) again; Different punch dies (6) are positioned in a predetermined position by rotating the rotating disc (5) to switch the punch dies (6); The punch forming equipment comprises: A punch table (1), a tapping device, a cleaning unit (9), a descaling unit (2) arranged on the punch table (1), a punch assembly (4) fixedly installed on the punch table (1), and a mechanical hand (3) located between the punch assembly (4) and the descaling unit (2); The descaling unit (2) comprises a descaling bin (21) fixedly installed on the punch table (1), a feeding slide rail (22) located in the descaling bin (21), the feeding slide rail (22) being a reverse trapezoidal structure, and a plurality of descaling assemblies (23) arranged on the slope of the reverse trapezoidal structure; Adjacent descaling assemblies (23) have a predetermined angle to cross each other for descaling work; Further comprising a punch die (6) switching device located on the punch assembly (4); The rotating disc (5) and the limiting cylinder (7) are arranged on the punch assembly (4); The descaling assembly (23) comprises a descaling seat (231) fixedly installed in the descaling bin (21), a flow channel further arranged in the descaling seat (231), a conveying pipe (232) detachably connected with the descaling seat (231), an opening part arranged on the descaling seat (231) and located in the flow channel, a gas conveying cavity (237) built in the flow channel, a control part (238) arranged on the descaling seat (231) for controlling the flow of the gas conveying cavity (237), and an air outlet seat (239) and a shunt seat (2310) arranged in the descaling seat (231); The air outlet seat (239) and the shunt seat (2310) are both columnar mechanisms, and the air outlet seat (239) is provided with a conical through hole, wherein the top of the conical through hole is closer to the conveying pipe (232) than the bottom; After the mixture of the air flow and the water flow passes through the conical through hole, the fluid moves away from the section center of the shunt seat (2310) and is discharged from the gap between the shunt seat (2310) and the inner wall of the descaling seat (231).

2. The press forming apparatus having a fastener punch press die switching device according to claim 1, characterized by: The opening part comprises a driving cylinder (233) and a sleeve (235) fixedly installed on the descaling seat (231), a gas jetting seat (236) fixedly installed in the descaling seat (231), and a sealing gasket (234) arranged at the output end of the driving cylinder (233); The sleeve (235) is circumferentially provided with a communication hole. By driving the movement of the cylinder (233), the position of the sealing gasket (234) is adjusted for plugging the delivery port of the air jet seat (236) to control the flow of air.

3. The press forming apparatus having a fastener punch press die switching device according to claim 2, characterized by: The air delivery cavity (237) comprises an air delivery pipe (2371) arranged on the inner wall of the descaling seat (231), a drainage pipe (2372) arranged in the air delivery pipe (2371), and an exhaust plate (2373) arranged at the air outlet end of the air delivery pipe (2371). There is a gap between the air delivery pipe (2371) and the descaling seat (231) for the flow of fluid. The air delivery pipe (2371) is provided with a converging port for connecting the gap and the inside of the air delivery pipe (2371). The exhaust plate (2373) is provided with a plurality of exhaust holes, the drainage pipe (2372) is a variable diameter pipe structure, and the pipe diameter of the drainage pipe (2372) gradually decreases along the flow direction of the fluid, so that the flow rate of the fluid increases.

4. The press forming apparatus having a fastener punch press die switching device according to claim 3, characterized by: The control part (238) comprises a mounting seat (2382) and a water delivery pipe (2374) fixedly installed on the descaling seat (231), a control motor (2381) fixedly connected with the mounting seat (2382), a limiting rod (2383) arranged at the output end of the control motor (2381) and screwed with the mounting seat (2382), and a sealing block (2384) fixedly installed on the limiting rod (2383). The sealing block (2384) is located in the gap and is used to plug the converging port to control the fluid into the air delivery pipe (2371); One end of the water delivery pipe (2374) communicates with the gap.

5. The press forming apparatus having a fastener punch press die switching device according to claim 4, characterized by: The cleaning unit (9) comprises a cleaning seat (91), a water outlet pipe (98) arranged on the cleaning seat (91), a protective cover (92) fixedly installed on the cleaning seat (91), a cleaning frame (95) fixedly installed in the protective cover (92), a plurality of cleaning assemblies (94) uniformly arranged on the cleaning seat (91), a driving plate (97) connected with the cleaning assemblies (94), an adjusting part (96) fixedly installed on the cleaning frame (95) and abutting with the driving plate (97), a plurality of load motors fixedly installed on the cleaning frame (95), and an adjusting wheel (93) connected with the output end of the load motor. The driving plate (97) is provided with a circular through hole, and the cleaning assemblies (94) are cleaning areas. According to the size of the bolt, the end of the bolt abuts with the driving plate (97) or the adjusting wheel (93) to complete different types of thread cleaning work.

6. The press forming apparatus having a fastener punch press die switching device according to claim 5, characterized by: The cleaning assembly (94) comprises an L-shaped fixing rod (941) fixedly installed on the cleaning seat (91), an adjusting slide rail (942) fixedly installed at one end of the fixing rod (941), a plurality of meshed gears (947) arranged, a slide rod (943) in sliding connection with the adjusting slide rail (942), a driving wheel (944) arranged on the slide rod (943), a rack (946) connected with the slide rod (943) and in meshing connection with the gears (947), an elastic member (945) arranged at one end of the slide rod (943), the other end of the elastic member (945) connected with the fixing rod (941), and bristles connected with the gears (947); The bristles and the gears (947) are located on both sides of the fixing rod (941); The driving wheel (944) is in abutment with the driving plate (97), and an angle exists between the axis of the driving wheel and the axis of the circular through hole.

7. The press forming apparatus having a fastener punch press die switching device according to claim 6, characterized by: The adjusting part (96) comprises a base (961) fixedly installed on the cleaning seat (91), a lifting motor (962) fixedly installed on the base (961), a first cam (9618) connected with the output end of the lifting motor (962), a first slide rail (963) fixedly installed on the base (961), a first sliding block (964) in sliding connection with the first slide rail (963), a lifting plate (965) connected with the first sliding block (964), two first driving wheels (966) arranged at one end of the lifting plate (965), a waist-shaped hole opened at the other end of the lifting plate (965), an adjusting rod (969) movably connected with the base (961), two second driving wheels (9610) symmetrically arranged on the adjusting rod (969), a second slide rail (967) fixedly installed on the base (961), a second sliding block (9617) in sliding connection with the second slide rail (967), and a limiting block (968) connected with the second sliding block (9617); One side surface of the first cam (9618) is provided with a convex groove, and the convex groove is located between the two first driving wheels (966); The second sliding block (9617) is provided with a sliding groove, one of the second driving wheels (9610) is located in the sliding groove, the other second driving wheel (9610) is located in the waist-shaped hole, and the base (961) is provided with an opening.

8. The press forming apparatus having a fastener punch press die switching device according to claim 7, characterized by: The adjusting part (96) further comprises an articulated rod (9612) movably connected with the base (961), a third driving wheel (9613) symmetrically arranged at two ends of the articulated rod (9612), a third slide rail (9615) fixedly installed on the base (961), a third sliding block (9616) in sliding connection with the third slide rail (9615), and a lifting plate (9614) connected with the third sliding block (9616); The lifting plate (9614) is provided with a U-shaped placing groove, and the back surface of the first cam (9618) is further provided with a driving groove (9611). One of the third driving wheels (9613) is located in the driving groove (9611), and the other third driving wheel (9613) is located in the U-shaped placing groove.

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