An automatic gasket feeding riveting machine

Abstract

An automatic gasket riveting machine includes a bullhead frame, an upper die, a lower nail device, and an electric control box. A lower die assembly is provided in the middle of the bullhead frame. The lower die assembly includes an angle seat, a die pushing cylinder assembly, a lower die, a gasket vibrating disk, a blanking pushing cylinder assembly, and a material distributor. The angle seat is horizontally installed in the middle of the bullhead frame. The die pushing cylinder assembly is horizontally installed on the angle seat. The lower die is vertically installed on the die pushing cylinder assembly. The gasket vibrating disk is located at the rear side of the angle seat. The blanking pushing cylinder assembly is horizontally located at the front side of the gasket vibrating disk. The material distributor is vertically installed on the blanking pushing cylinder assembly. The lower nail device sends the rivets to the upper die. The gasket vibrating disk sends the gaskets to the blanking pushing cylinder assembly. The material distributor clamps the gaskets. The die pushing cylinder assembly moves the lower die backward to the gasket feeding position. The blanking pushing cylinder assembly horizontally moves above the lower die. The material distributor pushes the gaskets downward into the lower die. The die pushing cylinder assembly sends the lower die directly below the upper die. The upper die and the lower die are closed to complete the stamping riveting of the rivets and the gaskets.

Description

Technical Field

[0001] The present invention belongs to the field of rivet equipment, and particularly relates to an automatic gasket feeding riveting machine. Background Art

[0002] A riveting machine refers to a mechanical equipment that can rivet items with rivets. The riveting machine mainly completes assembly by rotation and pressure, and is mainly applied to occasions where rivets (such as hollow rivets, solid rivets, etc.) need to be riveted. Common types include pneumatic, hydraulic, and electric, with single-head and double-head specifications and models. The common types mainly include automatic riveting machines and rotary riveting machines. The automatic riveting machine is mainly for riveting semi-hollow rivets, can automatically feed materials, and has high riveting efficiency. The rotary riveting machine is mainly divided into pneumatic rotary riveting machines and hydraulic rotary riveting machines, and is mainly used for riveting solid rivets or larger hollow rivets.

[0003] In the prior art, traditional riveting machines are generally used for riveting. Manual visual inspection is relied on to pick up gaskets and place them on the lower riveting die. There are safety risks when the hand is frequently placed at the upper and lower die closing positions during the placement process. The working intensity is high and the fatigue degree is high during the riveting process, and the riveting efficiency is relatively low. Summary of the Invention

[0004] The present invention precisely aims at the deficiencies existing in the prior art and provides an automatic gasket feeding riveting machine.

[0005] To solve the above problems, the technical solutions adopted by the present invention are as follows:

[0006] An automatic gasket feeding riveting machine includes a bull head frame, an upper die, a lower nail device, and an electric control box. The inside of the bull head frame is hollow. The upper die is vertically installed on the front side of the upper part of the bull head frame. The lower nail device is installed on the bull head frame outside the upper die. The electric control box is installed on one side of the middle part of the bull head frame. A lower die assembly is provided in the middle part of the bull head frame below the upper die. The lower die assembly includes an angle seat, a die pushing cylinder assembly, a lower die, a gasket vibrating disk, a blanking pushing cylinder assembly, and a distributor. The angle seat is horizontally installed in the middle part of the bull head frame. The die pushing cylinder assembly is horizontally installed on the angle seat and is perpendicular to the front side of the bull head frame. The lower die is vertically installed on the die pushing cylinder assembly. The gasket vibrating disk is located at the rear side of the upper surface of the angle seat. The blanking pushing cylinder assembly is horizontally located in front of the gasket vibrating disk and is perpendicular to the die pushing cylinder assembly in a different plane. The distributor is vertically installed on the blanking pushing cylinder assembly. The lower nail device sends the rivets to the upper die. The gasket vibrating disk sends the gaskets to the blanking pushing cylinder assembly. The distributor clamps the gaskets. The die pushing cylinder assembly moves the lower die backward to the gasket feeding position. The blanking pushing cylinder assembly horizontally moves above the lower die. The distributor pushes the gaskets downward into the lower die. The die pushing cylinder assembly sends the lower die directly below the upper die. The upper die and the lower die are closed to complete the stamping action of the rivets and gaskets.

[0007] Furthermore, the material divider includes a material divider main board, a material divider movable plate and a material divider block. The material divider main board is a rectangular plate installed on the unloading push cylinder assembly, and a movable plate groove and a gasket groove are provided on the outlet side of the gasket vibration plate. The material divider movable plate is two elastic reset plates horizontally and symmetrically installed in the movable plate groove. The material divider movable plate corresponding to the gasket groove is provided with a guide hole, and the aperture of the guide hole is smaller than the aperture of the gasket groove. The material divider main board and the material divider movable plate on both sides of the gasket groove are symmetrically provided with rectangular slots. The material divider block is vertically installed at the gasket slot position of the material divider main board. A coaxial vertical pressure column and guide pin are provided in the middle of the material divider block, and the inner ends of the pressure column and the guide pin are respectively connected to the reset springs. Wedge blocks are provided on both sides of the bottom of the material divider block, the upper end of the wedge block cooperates with the upper end of the pressure column, and the lower end of the wedge block cooperates with the rectangular slot. A vertical guide block installed on the movable plate is provided on the outer side of the material divider block, and the vertical guide block is connected to the outer side of the material divider block.

[0008] Furthermore, the push die cylinder assembly includes a fixed seat, a V-shaped slide rail, a V-shaped slider and a lower die cylinder. The fixed seat is horizontally installed on the angle seat, the V-shaped slide rail is horizontally fixed on the fixed seat, the V-shaped slider cooperates with the V-shaped slider, the lower die cylinder is horizontally installed at the rear end of the fixed seat, the telescopic rod end of the lower die cylinder is horizontally connected to the V-shaped slider, and the other end of the lower die cylinder is located in the bullhead frame.

[0009] Furthermore, the lower die includes a lower die column and a lower punch pin. The lower die column is a solid cylinder. The lower die column is vertically mounted on the upper surface of the V-shaped slider of the push die cylinder assembly. The lower punch pin is vertically and coaxially mounted on the upper end of the lower die column, and the threaded nut at the connecting end is matched.

[0010] Furthermore, the unloading push cylinder assembly includes a slide rail mounting block, a moving block and a unloading cylinder. The slide rail mounting block is horizontally mounted, the moving block is slidably matched with the slide rail mounting block, and the unloading cylinder is horizontally mounted at the end of the slide rail mounting block and is horizontally connected to the moving block.

[0011] Furthermore, an adjustment device is provided on the angle seat below the gasket vibration disk, and the adjustment device includes a guide column, a stud and a base plate. The guide column is symmetrically and vertically connected to the bottom of the gasket vibration disk and slidingly cooperates with the lower base plate. The base plate is horizontally connected to the angle seat, the stud cooperates with the vertical thread in the middle of the base plate, the top of the stud abuts against the bottom of the gasket vibration disk, and the bottom of the stud is connected to a handwheel.

[0012] Furthermore, a laser beam switch is provided at the outer end of the fixing seat of the upper die and the ejection die cylinder assembly, and is arranged coaxially up and down, and a protective cover is provided outside the laser beam switch at the outer end of the fixing seat.

[0013] Furthermore, a pedal is provided at the lower end of the bull horn frame, and a power connecting rod is connected between the pedal and the upper mold. The middle part of the power connecting rod is in the shape of a rectangular frame, and the lower mold cylinder is located in the rectangular frame in the middle part of the power connecting rod.

[0014] Further, a gasket thickness adjusting block is provided at the discharge port of the gasket vibrating disk, and the gasket thickness adjusting block is clamped on the side groove of the discharge port.

[0015] When the present invention is compared with the prior art, the implementation effects of the present invention are as follows:

[0016] For an automatic gasket riveting machine according to the present invention, the nail feeding device feeds the rivets to the upper die position, the gasket vibrating disk vibrates to feed the gaskets to the gasket grooves of the distributor, the die pushing cylinder assembly moves the lower die to the gasket feeding position, the blanking pushing cylinder assembly drives the distributor to move to directly above the lower die, the distributor acts to bounce the gasket downward and fall onto the lower punch of the lower die, then the lower die resets to directly below the upper die, and the upper die and the lower die are closed for stamping to complete the riveting of the rivets and the gaskets. The automated process flow is such that the gaskets are transported to the lower die position quickly, safely and reliably, saving manpower while improving the riveting efficiency. Description of the Drawings

[0017] Figure 1 is a schematic diagram of the external structure of an automatic gasket riveting machine according to the present invention;

[0018] Figure 2 is an exploded view of an automatic gasket riveting machine according to the present invention;

[0019] Figure 3 is a schematic diagram of the structure of the lower die assembly;

[0020] Figure 4 is an exploded view of the blanking pushing cylinder assembly and the distributor

[0021] Figure 5 is an enlarged schematic diagram of the sectional structure of the distributor. Detailed Embodiments

[0022] The following will illustrate the content of the present invention in conjunction with specific embodiments.

[0023] Such as Figures 1 to 5As shown, the automatic gasket feeding rivet machine comprises a bullhead frame 1, an upper die 2, a lower nail device 3 and an electric control box 4, the bullhead frame 1 is hollow inside, the upper die 2 is vertically mounted on the upper front side of the bullhead frame 1, the lower nail device 3 is mounted on the bullhead frame 1 outside the upper die 2, the electric control box 4 is mounted on one side of the middle part of the bullhead frame 1, and a lower die assembly 5 is provided in the middle of the bullhead frame 1 below the upper die 2, the lower die assembly 5 comprises an angle seat 6, a push die cylinder assembly 7, a lower die 8, a gasket vibration plate 9, a material push cylinder assembly 10 and a distributor 11, the angle seat 6 is horizontally mounted in the middle of the bullhead frame 1, the push die cylinder assembly 7 is horizontally mounted on the angle seat 6, and is vertical to the front side of the bullhead frame 1, and the lower die 8 is vertically installed on the push-die cylinder assembly 7, the gasket vibration disk 9 is located on the rear side of the upper surface of the angle seat 6, the unloading push cylinder assembly 10 is horizontally located in front of the gasket vibration disk 9 and is eccentrically perpendicular to the push-die cylinder assembly 7, the distributor 11 is vertically installed on the unloading push cylinder assembly 10, the nail lowering device 3 sends the rivet to the upper die 2, the gasket vibration disk 9 sends the gasket to the unloading push cylinder assembly 10, the distributor 11 clamps the gasket, the push-die cylinder assembly 7 moves the lower die 8 back to the gasket sending position, the unloading push cylinder assembly 10 moves horizontally to above the lower die 8, the distributor 11 pushes the gasket downward into the lower die 8, the push-die cylinder assembly 7 sends the lower die 8 to the bottom of the upper die 2, the upper die 2 and the lower die 8 are closed to complete the stamping action of the rivet and the gasket.

[0024] The material distributor 11 includes a material distributor main board 12, a material distributor movable plate 13 and a material distributor block 14. The material distributor main board 12 is a rectangular plate installed on the unloading push cylinder assembly 10, and is provided with a movable plate groove 15 and a gasket groove 16 near the outlet side of the gasket vibration plate 9. The material distributor movable plate 13 is two elastic reset plates horizontally and symmetrically installed in the movable plate groove 15. The material distributor movable plate 13 corresponding to the gasket groove 16 is provided with a guide hole 17, and the aperture of the guide hole 17 is smaller than that of the gasket groove 16. Rectangular slots 18 are symmetrically provided on the material distributor main board 12 and the material distributor movable plate 13 on both sides of the gasket groove 16. The material distributor block 14 is vertically installed at the gasket groove 16 position of the material distributor main board 12. A coaxial vertical pressure column 19 and a guide pin 20 are provided in the middle of the material distributor block 14, and the inner ends of the pressure column 19 and the guide pin 20 are respectively connected A reset spring 21 is connected, and wedge blocks 22 are provided on both sides of the bottom of the dividing block 14. The upper end of the wedge block 22 cooperates with the upper end of the pressure column 19, and the lower end of the wedge block 22 cooperates with the rectangular slot 18. A vertical guide block 23 installed on the movable plate is provided on the outer side of the dividing block 14. The vertical guide block 23 is connected to the outer side of the dividing block 14, and the gasket vibration plate 9 sends the gasket to the gasket groove 16. The vertical guide block 23 drives the pressure column 19 to press the gasket between the closed dividing movable plates 13. When the dividing main board 12 moves to above the lower mold 8, the vertical guide block 23 drives the wedge block 22 to press down and open the dividing movable plate 13. The pressure column 19 presses down to bounce the gasket from the gasket groove 16 along the guide pin 20 onto the lower mold 8. The landing point is accurate and the automation efficiency is high. While saving manpower, it improves the efficiency of placing the gasket in the stamping position of the lower mold 8.

[0025] The die pushing cylinder assembly 7 includes a fixed seat 24, a V-shaped slide rail 25, a V-shaped slider 26 and a lower die cylinder 27. The fixed seat 24 is horizontally installed on the angle seat 6. The V-shaped slide rail 25 is horizontally fixed on the fixed seat 24. The V-shaped slider 26 is matched with the V-shaped slider 26. The lower die cylinder 27 is horizontally installed at the rear end of the fixed seat 24. The telescopic rod end of the lower die cylinder 27 is horizontally connected to the V-shaped slider 26. The other end of the lower die cylinder 27 is located in the bull head frame 1. While driving the V-shaped slider 26 to move the lower die 8 along the V-shaped slide rail 25 through the lower die cylinder 27, the V-shaped surface can effectively reduce the wear accuracy between the V-shaped slide rail 25 and the V-shaped slider 26. During riveting stamping, the V-shaped surface can effectively disperse the impact force and improve the service life of the equipment.

[0026] The lower die 8 includes a lower die column 28 and a lower punch pin 29. The lower die column 28 is a solid cylinder. The lower die column 28 is vertically installed on the upper surface of the V-shaped slider 26 of the die pushing cylinder assembly 7. The lower punch pin 29 is vertically and coaxially installed at the upper end of the lower die column 28, and the connection end is matched with a threaded nut. While facilitating the falling of the gasket, it is convenient for the placement of the riveted product. By adjusting the cooperation of the nut and the thread, the adjustment of the lower die core is realized, meeting the use requirements of rivets with different lengths for high and low pressure riveting.

[0027] The blanking push cylinder assembly 10 includes a slide rail mounting block 30, a moving block 31 and a blanking cylinder 32. The slide rail mounting block 30 is horizontally installed. The moving block 31 is slidably matched with the slide rail mounting block 30. The blanking cylinder 32 is horizontally installed at the end of the slide rail mounting block 30 and is horizontally connected to the moving block 31. By pushing the moving block 31 to move horizontally along the slide rail mounting block 30 to the gasket conveying point through the blanking cylinder 32, the automation degree is improved and the labor intensity is reduced.

[0028] An adjusting device 33 is provided on the angle seat 6 below the gasket vibrating disk 9. The adjusting device 33 includes a guide post 34, a stud 35 and a bottom plate 36. The guide posts 34 are symmetrically and vertically connected to the bottom of the gasket vibrating disk 9 and are slidably matched with the lower bottom plate 36. The bottom plate 36 is horizontally connected to the angle seat 6. The stud 35 is vertically threadedly matched with the middle of the bottom plate 36. The top end of the stud 35 abuts against the bottom of the gasket vibrating disk 9. A hand wheel 37 is connected to the bottom end of the stud 35. By adjusting the hand wheel 37, the height of the gasket vibrating disk 9 is adjusted to facilitate the adjustment of the height and levelness of the gasket vibrating disk 9. A support connecting plate 38 with a vertical sliding fit is provided below the blanking push cylinder assembly 10. The bottom of the support connecting plate 38 is connected to the bottom of the gasket vibrating disk 9. The height of the blanking push cylinder assembly 10 is further adjusted through the support connecting plate 38.

[0029] A laser pair emission switch 39 is provided at the outer end of the fixed seat 24 of the upper die 2 and the ejector die cylinder assembly 7, and they are arranged coaxially up and down. A protective cover 40 is provided outside the laser pair emission switch 39 at the outer end of the fixed seat 24. When the product is placed on the lower die 8, the laser pair emission switch 39 is disconnected, and only the downward pressing action of the upper die 2 can be performed. The laser pair emission switch 39 is protected by the protective cover 40 to avoid damage to the products to be processed. When the laser pair emission switch 39 is conducted, only the action of conveying the gasket to the position of the lower die 8 is performed, which further ensures the safety of the equipment operation and guarantees the personal safety of the operators.

[0030] A pedal 41 is provided at the lower end of the horn-shaped frame. A power connecting rod 42 is connected between the pedal 4 and the upper die 2. The middle part of the power connecting rod 42 is in a rectangular frame shape, and the lower die cylinder 27 is located in the rectangular frame in the middle of the power connecting rod 42, avoiding interference between the power connecting rod 42 and other components of the equipment and affecting the normal operation of the equipment.

[0031] A gasket thickness adjusting block 43 is provided at the discharge port of the gasket vibrating disk 9. The gasket thickness adjusting block 43 is clamped on the side groove of the discharge port. By adjusting the position of the gasket thickness adjusting block 43, the single-layer gasket conveying is ensured, and while ensuring the normal operation of the equipment, the riveting quality of the products is guaranteed.

[0032] In summary, for the automatic gasket feeding riveting machine described above, the nail feeding device 3 feeds the rivets to the position of the upper die 2. The gasket vibrating disk 9 vibrates to send the gaskets to the gasket grooves 16 of the distributor 11. The ejector die cylinder assembly 7 moves the lower die 8 to the gasket feeding position. The blanking push cylinder assembly 10 drives the distributor 11 to move to directly above the lower die 8. The distributor 11 acts to bounce the gasket downward and fall onto the lower punch 29 of the lower die 8. Then the lower die 8 returns to directly below the upper die 2, and the upper die 2 and the lower die 8 are closed for stamping to complete the riveting of the rivet and the gasket. It is an automated process flow. The gasket is conveyed to the position of the lower die 8 quickly, safely and reliably, saving manpower and improving the riveting efficiency at the same time.

[0033] The above are only the preferred embodiments of the present invention and are not intended to limit the present invention. Any modifications, equivalent replacements, and improvements made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. An automatic gasket feeding riveting machine, comprising a bull head frame, an upper die, a lower nail device and an electric control box. The inside of the bull head frame is hollow. The upper die is vertically installed on the front side of the upper part of the bull head frame. The lower nail device is installed on the bull head frame outside the upper die. The electric control box is installed on one side of the middle part of the bull head frame. It is characterized in that: A lower die assembly is provided in the middle of the bull head frame below the upper die. The lower die assembly includes angle seats, a die pushing cylinder assembly, a lower die, a gasket vibrating disk, a blanking pushing cylinder assembly, and a material distributor. The angle seats are horizontally installed in the middle of the bull head frame. The die pushing cylinder assembly is horizontally installed on the angle seats and is perpendicular to the front side of the bull head frame. The lower die is vertically installed on the die pushing cylinder assembly. The gasket vibrating disk is located at the rear side of the upper surface of the angle seats. The blanking pushing cylinder assembly is horizontally located in front of the gasket vibrating disk and is perpendicular to the die pushing cylinder assembly in a different plane. The material distributor is vertically installed on the blanking pushing cylinder assembly. The rivet feeding device sends rivets to the upper die. The gasket vibrating disk sends gaskets to the blanking pushing cylinder assembly. The material distributor clamps the gaskets. The die pushing cylinder assembly moves the lower die backward to the gasket feeding position. The blanking pushing cylinder assembly horizontally moves above the lower die. The material distributor pushes the gaskets downward into the lower die. The die pushing cylinder assembly sends the lower die directly below the upper die. The upper die and the lower die are closed to complete the stamping action of the rivets and gaskets. The material distributor includes a material distribution main board, a material distribution movable board, and a material distribution block. The material distribution main board is a rectangular board installed on the blanking pushing cylinder assembly. An activity board groove and a gasket groove are provided on the side close to the outlet of the gasket vibrating disk. The material distribution movable board is two elastic reset boards horizontally and symmetrically installed in the activity board groove. A guide hole is provided on the material distribution movable board corresponding to the gasket groove. The aperture of the guide hole is smaller than the aperture of the gasket groove. Rectangular slot holes are symmetrically provided on the material distribution main board and the material distribution movable board on both sides of the gasket groove. The material distribution block is vertically installed at the gasket groove position of the material distribution main board. A coaxial vertical pressure column and a guide pin are provided in the middle of the material distribution block. The inner ends of the pressure column and the guide pin are respectively connected to a reset spring. Wedge blocks are provided on both sides of the bottom of the material distribution block. The upper end of the wedge block cooperates with the upper end of the pressure column. The lower end of the wedge block cooperates with the rectangular slot hole. A vertical guide block installed on the movable board is provided on the outer side of the material distribution block. The vertical guide block is connected to the outer side of the material distribution block. The die pushing cylinder assembly includes a fixed seat, a V-shaped slide rail, a V-shaped slider, and a lower die cylinder. The fixed seat is horizontally installed on the angle seat. The V-shaped slide rail is horizontally fixed on the fixed seat. The V-shaped slider cooperates with the V-shaped slider. The lower die cylinder is horizontally installed at the rear end of the fixed seat. The telescopic rod end of the lower die cylinder is horizontally connected to the V-shaped slider. The other end of the lower die cylinder is located in the bull head frame.

2. The automatic gasket feeding riveting machine according to claim 1, characterized in that The lower die includes a lower die column and a lower punching needle. The lower die column is a solid cylinder. The lower die column is vertically installed on the upper surface of the V-shaped slider of the die pushing cylinder assembly. The lower punching needle is vertically and coaxially installed at the upper end of the lower die column and is in threaded nut cooperation with the connection end.

3. The automatic gasket feeding riveting machine according to claim 1, characterized in that The blanking pushing cylinder assembly includes a slide rail mounting block, a moving block, and a blanking cylinder. The slide rail mounting block is horizontally installed. The moving block is slidably matched with the slide rail mounting block. The blanking cylinder is horizontally installed at the end of the slide rail mounting block and is horizontally connected to the moving block.

4. The automatic gasket feeding riveting machine according to claim 1, characterized in that An adjusting device is provided on the angle seat below the gasket vibrating disk. The adjusting device includes a guide post, a stud, and a bottom plate. The guide posts are symmetrically and vertically connected to the bottom of the gasket vibrating disk and are slidably matched with the lower bottom plate. The bottom plate is horizontally connected to the angle seat. The stud is vertically and threadedly matched with the middle of the bottom plate. The top end of the stud abuts against the bottom of the gasket vibrating disk. A hand wheel is connected to the bottom end of the stud.

5. The automatic gasket feeding riveting machine according to claim 1, characterized in that A laser light curtain switch is provided at the outer end of the fixed seat of the upper die and the ejector die cylinder assembly, and they are arranged coaxially up and down. A protective cover is provided outside the laser light curtain switch at the outer end of the fixed seat.

6. The automatic gasket feeding riveting machine according to claim 1, characterized in that A pedal is provided at the lower end of the bullhead frame. The pedal is connected to the upper die by a power connecting rod. The middle part of the power connecting rod is in the shape of a rectangular frame, and the lower die cylinder is located in the rectangular frame in the middle of the power connecting rod.

7. The automatic gasket feeding riveting machine according to claim 1, characterized in that A gasket thickness adjusting block is provided at the discharge port of the gasket vibrating bowl. The gasket thickness adjusting block is clamped on the side groove of the discharge port.

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