Cassette nut production device and production process thereof

Abstract

The production device comprises the clamping type nut, a machine tool, a lower die and an upper die, a nut piece is arranged in the clamping type nut, a through hole is formed in the bottom of the clamping type nut, a first side wall is arranged on the side edge of the clamping type nut, a second side wall is arranged on the top of the first side wall, and a side groove is formed in the outer side of the second side wall; a third inner groove is formed in the top of the lower die. A third punch is arranged at the bottom of the upper die. A second air cylinder is installed on the top of the first die base. A movable column is arranged at the output end of the side edge of the second air cylinder. A third air cylinder is arranged in the lower die. A pressing block is arranged at the output end of the side edge of the third air cylinder. The vibration screening machine is arranged on the side edge of the machine tool, the nut is directly fed into a clamping type nut shell in the shell stamping process, the production efficiency is improved, the production cost is reduced, and the situation that the shape and elasticity of the shell are affected due to secondary machining is avoided.

Description

Technical Field

[0001] The invention relates to the technical field of clip nuts, and in particular to a production device and a production process of clip nuts. Background Art

[0002] Cage nuts, also known as cage nuts or cabinet nuts, are sheet metal fasteners consisting of an elastic shell and a square nut. The groove structure of the shell positions the nut in the pre-opened hole of the sheet metal, while the square nut provides internal threads for assembly. Since there is a gap between the combination of the shell and the square nut, the position deviation of the mounting hole can be compensated. The current domestic production process for cage nuts is to first produce the cage nut shell by stamping, and then manually press the nut into the cage nut shell. The existing process has low production efficiency and high production cost, and requires two processes to complete.

[0003] Patent application number: CN201120514565.3 discloses a clip nut assembly automation device, including an assembly rack platform, the assembly rack platform realizes the fixation and movement of the entire device, a stamping die, which is located above the assembly rack platform, the stamping die includes an upper die assembly containing a pre-bending punch, a bending inclined slider and a top drop punch and a lower die assembly containing a bottom plate, a feeding mechanism, which includes a feeding mechanism fixing device driven by a first cylinder, a feeding mechanism movable device driven by a second cylinder and a third cylinder in a horizontal direction, the third cylinder is connected to the feeding mechanism movable device, and a nut feeding machine The structure includes a fifth cylinder, a square push rod and a nut slide groove. The push rod is driven by the fifth cylinder to move in the nut slide groove, and the outlet of the nut slide groove extends into the stamping die. The lower die assembly of the stamping die is also provided with a floating block driven by the fourth cylinder. The floating block is provided with a first nut sensing probe. The floating block is located directly below the outlet of the nut slide groove and moves vertically under the drive of the fourth cylinder. The upper die assembly also includes a punch fixing plate, a discharge plate, an inner guide column and a waste cutting punch. The discharge plate is provided with through holes for the pre-bending punch, the bending inclined slider, the top drop punch and the waste cutting punch to pass through. The inner guide column After vertically passing through the punch fixing plate and the unloading plate, the lower die assembly is inserted; a first guide plate is provided at the bottom end of the feeding mechanism fixing device, a second guide plate is provided at the bottom end of the feeding mechanism movable device, the third cylinder is installed on a first fixing plate, and a horizontal guide rod is passed through the first guide plate, the second guide plate and the first fixing plate; the fourth cylinder includes a piston ring arranged in the fourth cylinder and a piston rod extending out of the fourth cylinder, the push rod is connected to the piston rod, the piston rod is arranged in a piston rod guide rail, and a second nut sensing probe is provided at the top of the nut slide groove; it also includes a shaking machine, a vibrating machine and a horizontally arranged nut The nut arrangement and conveying mechanism is composed of a slot, the outlet of the shaking machine is connected to the inlet of the vibrating machine, the outlet of the vibrating machine is connected to the nut slot at the same height, and the nut slot is vertically connected to the nut slot; it also includes a bad nut processing mechanism, the bad nut processing mechanism includes a sixth cylinder, a sixth cylinder connecting block vertically arranged with the nut slot, and a thread detection device, the sixth cylinder connecting block is connected to the sixth cylinder, the sixth cylinder connecting block is located below the nut slot, and is driven by the sixth cylinder to move in the horizontal direction, the sixth cylinder connecting block and the nut slot are both provided with square openings, and the thread detection device is located obliquely above the nut slot. However, when the nut is sent into the formed card shell, the card shell is subjected to external pressure again, which affects the shape and elasticity of the card nut shell and affects the product quality. Summary of the invention

[0004] The present invention aims to solve the problems existing in the above-mentioned prior art and provide a production device and a production process of a clip nut, which can directly feed the nut into the clip nut shell during the shell stamping process, saving time and manpower, improving production efficiency and reducing production costs, avoiding secondary processing that may affect the shell shape and elasticity, and improving product quality.

[0005] The present invention solves the technical problem by adopting a technical solution: the production device of the clip nut comprises a clip nut, a machine tool, a lower die and an upper die, a nut piece is arranged inside the clip nut, a through hole is opened at the bottom of the clip nut, a first side wall is arranged on the side of the clip nut, a second side wall is arranged on the top of the first side wall, a side groove is arranged on the outer side of the second side wall, a stopper is arranged on the side of the clip nut, there are two first side walls, two second side walls and two side grooves respectively, and there are four stoppers, and the through hole, the first side wall, the second side wall, the side groove and the stopper are formed by the interaction of the lower die and the upper die by punching;

[0006] A first die base is installed on the top of the machine tool, a lower die is installed on the top of the first die base, a vertical frame is fixedly connected to the top of the machine tool, a first cylinder is arranged inside the vertical frame, a second die base is arranged on the bottom output end of the first cylinder, an upper die is arranged on the bottom of the second die base, a raw material plate passes through the top of the lower die, a first inner groove is opened on the top of the lower die, a second inner groove is opened on the top of the lower die, a third inner groove is opened on the top of the lower die, a first punch is arranged on the bottom of the upper die, a second punch is arranged on the bottom of the upper die, a third punch is arranged on the bottom of the upper die, a second cylinder is arranged on the top of the first die base, a movable column is arranged on the side output end of the second cylinder, the cross section of the movable column is an I-shaped arrangement, the movable column reaches the inside of the third inner groove, a third cylinder is arranged inside the lower die, a pressure block is arranged on the side output end of the third cylinder, there are two third cylinders and two pressure blocks respectively, and the two pressure blocks are distributed on the left and right sides of the third inner groove;

[0007] A feed trough is installed on the side of the lower die, and the feed trough is connected to the third inner trough. A fourth cylinder is installed on the front side of the machine tool, and a push block is arranged at the output end of the fourth cylinder. The push block is inside the feed trough. A vibration screening machine is arranged on the side of the machine tool. There are a large number of nut parts in the vibration screening machine. A feed pipe is fixedly connected to the side of the vibration screening machine, and the feed pipe is connected to the feed trough.

[0008] The raw material plate is arranged so that the raw material plate passes through the top of the lower die. After the device is turned on, the raw material plate is delivered from left to right. At the same time, the first cylinder repeats the extension and contraction operation. The first cylinder drives the second die base and the upper die to repeatedly move up and down. At the same time, the vibration screening machine continues to operate. The nut parts in the vibration screening machine reach the feeding trough through the feeding pipe. The upper die and the lower die interact with each other. The first punch and the second punch continuously punch the raw material plate. The sheet-like outer shell part has appeared. The third punch acts on the sheet-like outer shell part. The sheet-like outer shell part is completely disconnected and detached from the raw material plate. The third punch pushes the sheet-like outer shell part into the third inner groove, and punches out the through hole, the two first side walls and the four blocks. The first cylinder contracts and drives the second die base, the upper die, the first punch, the second punch and the third punch to return to their positions. The fourth cylinder extends and operates, so that the push block pushes the feeding trough. The nut piece inside is pushed to the third inner groove, the nut piece reaches between the two first side walls, the nut piece reaches the inside of the four blocks, the second cylinder extends and runs, so that the movable column reaches between the two first side walls, the movable column is on the top of the nut piece, the two third cylinders extend and run at the same time, so that the two pressure blocks act on the two first side walls respectively, the I-shaped movable column has grooves on the left and right, the two first side walls press out the side grooves respectively, and produce two second side walls, the nut piece is wrapped, restricted and fixed, the two third cylinders shrink and run at the same time to make the two pressure blocks return to their positions, the second cylinder shrinks and runs to make the movable column and the clip nut be completely processed, and the nut is directly sent into the clip nut shell during the shell stamping process, saving time and manpower, improving production efficiency and reducing production costs, avoiding secondary processing that affects the shell shape and elasticity, and improving product quality.

[0009] For further improvement, a first movable hole is opened on the side of the third inner groove, and the movable column passes through the first movable hole. A second movable hole is opened on the side of the third inner groove. There are two second movable holes, and the two pressure blocks pass through the two second movable holes respectively. The movable column uses the first movable hole to reach the inside of the third inner groove, and the pressure block uses the second movable hole to reach the inside of the third inner groove.

[0010] For further improvement, a mounting frame is fixedly connected to the front side of the machine tool, the fourth cylinder is installed inside the mounting frame, a support block is fixedly connected to the top of the machine tool, the feed trough is installed on the top of the support block, the mounting frame provides effective support for the fourth cylinder, and the support block provides effective support for the feed trough, thereby improving the stability of the nut conveying process.

[0011] For further improvement, a guide pin is provided at the bottom of the second die base, and a guide sleeve is provided at the top of the first die base. The guide pin moves downward with the upper die, and the guide pin and the guide sleeve are plugged into each other. There are multiple guide pins and guide sleeves respectively. In the process of the first cylinder driving the second die base and the upper die to move downward, the multiple guide pins are respectively plugged into the multiple guide sleeves, which effectively buffers and increases protection.

[0012] To be further improved, the depth of the third inner groove is greater than that of the first inner groove and the second inner groove, the length of the third punch is greater than that of the first punch and the second punch, a boss is provided at the bottom of the third punch, the boss acts on the center position of the sheet-like outer shell part, and the boss pushes out the excess part to realize the forming operation of the through hole.

[0013] To be further improved, an inner seat is fixedly connected to the top of the first mold base, a built-in groove is arranged at the bottom of the lower mold, the inner seat is inside the built-in groove, the built-in groove is connected with the third inner groove, a third movable hole is opened on the side of the lower mold, the third movable hole is connected with the built-in groove, a fifth cylinder is installed on the top of the first mold base, a second movable block is arranged on the output end of the side of the fifth cylinder, the second movable block reaches the inside of the third movable hole, the second movable block reaches the top of the inner seat, the second movable block reaches the bottom of the third inner groove, the fifth cylinder extends and runs, driving the second movable block to reach the inside of the third movable hole, the second movable block is between the third inner groove and the inner seat, the second movable block effectively closes the bottom of the third inner groove, the outer shell is on the top of the second movable block, the second movable block provides effective support, and the outer shell is effectively positioned.

[0014] For further improvement, a first leakage hole is opened inside the second movable block, a second leakage hole is opened inside the inner seat, a material discharge trough is opened on the side of the machine tool, the second leakage hole extends from the inner seat to the material discharge trough, and a containing box is arranged inside the material discharge trough. The waste generated during the through-hole forming process passes through the first leakage hole, the second leakage hole and the material discharge trough in sequence to reach the containing box. After the processing of the clip nuts is completed, they pass through the second leakage hole and the material discharge trough in sequence to reach the containing box. The clip nuts are effectively collected in a centralized manner, and the operation is easy and convenient for unified transfer and treatment at a later time.

[0015] For further improvement, the bottom of the container is provided with multiple movable wheels, and a handle is fixedly connected to the side of the container. The handle provides effective force to facilitate the operation of the container by the operator. The container is moved using multiple movable wheels, which saves time and improves work efficiency.

[0016] A production process of a cage nut, using a cage nut production device for processing, comprises the following steps:

[0017] S1: Set the raw material plate to the top of the lower mold and start the device;

[0018] S2: The raw material sheet is first punched out to form a through hole, and then the outer shell is punched out. The sheet-shaped outer shell has appeared. The third punch acts on the sheet-shaped outer shell, and the sheet-shaped outer shell is completely disconnected and separated from the raw material sheet. The third punch pushes the sheet-shaped outer shell into the third inner groove, and punches out the through hole, two first side walls and four stoppers.

[0019] S3: the push block pushes the nut member between the two first side walls, and the nut member reaches the inside of the four stoppers;

[0020] S4: The movable column reaches between the two first side walls, the movable column is at the top of the nut member, and the two pressing blocks act on the two first side walls respectively, pressing out two side grooves and generating two second side walls, the nut member is wrapped, restricted and fixed, and the clip nut is completely processed;

[0021] S5: The second movable block moves away from the third movable hole, and the clip nut passes through the second leak hole and reaches the container for storage.

[0022] The beneficial effects of the present invention are:

[0023] 1. By setting the raw material plate, the raw material plate passes through the top of the lower die. After the device is turned on, the raw material plate is delivered from left to right. At the same time, the first cylinder repeats the extension and contraction operation. The first cylinder drives the second die base and the upper die to repeatedly move up and down. At the same time, the vibration screening machine continues to operate. The nut parts in the vibration screening machine reach the feeding trough through the feeding pipe. The upper die and the lower die interact with each other. The first punch and the second punch continuously punch the raw material plate. The sheet-like outer shell part has appeared. The third punch acts on the sheet-like outer shell part. The sheet-like outer shell part is completely disconnected and detached from the raw material plate. The third punch pushes the sheet-like outer shell part into the third inner groove, punches out the through hole, the two first side walls and the four blocks, and the first cylinder contracts to drive the second die base, the upper die, the first punch, the second punch and the third punch to return to their positions. The fourth cylinder extends to operate so that the push block will supply The nut piece in the material trough is pushed to the third inner groove, the nut piece reaches between the two first side walls, and the nut piece reaches inside the four blocks. The second cylinder extends and runs, so that the movable column reaches between the two first side walls. The movable column is on the top of the nut piece, and the two third cylinders extend and run at the same time, so that the two pressure blocks act on the two first side walls respectively. There are grooves on the left and right of the I-shaped movable column, and the two first side walls press out the side grooves respectively, and produce two second side walls. The nut piece is wrapped, restricted and fixed, and the two third cylinders shrink and run at the same time to return the two pressure blocks, and the second cylinder shrinks and runs to complete the processing of the movable column and the clip nut. During the process of stamping the shell, the nut is directly sent into the clip nut shell, which saves time and manpower, improves production efficiency and reduces production costs, avoids secondary processing that affects the shell shape and elasticity, and improves product quality.

[0024] 2. The fifth cylinder extends and runs, driving the second movable block to reach the inside of the third movable hole. The second movable block is between the third inner groove and the inner seat. The second movable block effectively closes the bottom of the third inner groove. The outer shell is on the top of the second movable block. The second movable block provides effective support, and the outer shell is effectively positioned. The waste generated during the through-hole forming process passes through the first leak hole, the second leak hole and the discharge chute in turn to reach the containing box. After the processing of the clip nuts is completed, they pass through the second leak hole and the discharge chute in turn to reach the containing box. The clip nuts are effectively collected and easy to operate, which is convenient for unified transfer and processing later. The handle provides effective force, which is convenient for operators to operate the containing box. The containing box is moved using multiple moving wheels, which saves time and improves work efficiency. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] Figure 1 It is a structural schematic diagram of the present invention;

[0026] Figure 2 For the present invention Figure 1 Enlarged view of point A in the middle;

[0027] Figure 3 It is a front view of the structure of the present invention;

[0028] Figure 4 For the present invention Figure 3 Enlarged view of point B in the middle;

[0029] Figure 5 It is a back view of the present invention;

[0030] Figure 6 For the present invention Figure 5 Enlarged view of point C in the middle;

[0031] Figure 7 is a cross-sectional view of the interior of the machine tool of the present invention;

[0032] Figure 8 For the present invention Figure 7 Enlarged view of point D in the middle;

[0033] Fig. 9 It is a schematic diagram of the structure of the clip nut of the present invention;

[0034] Fig.10 A top view showing the cage nut of the present invention;

[0035] Fig.11 It is a diagram showing the lower mold structure of the present invention;

[0036] Fig.12 This is a diagram showing the activity of the second activity block of the present invention;

[0037] Fig.13 It is a top view of the lower mold of the present invention.

[0038] Explanation of reference numerals: 1. cardan nut; 2. machine tool; 3. lower die; 4. upper die; 5. nut member; 6. through hole; 7. first side wall; 8. second side wall; 9. side groove; 10. stopper; 11. first die base; 12. stand; 13. first cylinder; 14. second die base; 15. first inner groove; 16. second inner groove; 17. third inner groove; 18. first punch; 19. second punch; 20. third punch; 21. second cylinder; 22. movable column; 23. third cylinder; 24. pressure Block; 25, feeding trough; 26, fourth cylinder; 27, push block; 28, vibrating screening machine; 29, feeding pipe; 30, first movable hole; 31, second movable hole; 32, mounting frame; 33, support block; 34, guide column; 35, guide sleeve; 36, boss; 37, inner seat; 38, built-in groove; 39, third movable hole; 40, fifth cylinder; 41, second movable block; 42, first leakage hole; 43, second leakage hole; 44, unloading trough; 45, container; 46, moving wheel; 47, handle. DETAILED DESCRIPTION

[0039] The following is combined with Figure 1-13 This embodiment is further described:

[0040] like Figure 1-13As shown: In this embodiment, a production device for a clip nut includes a clip nut 1, a machine tool 2, a lower die 3 and an upper die 4. A nut piece 5 is arranged inside the clip nut 1. A through hole 6 is opened at the bottom of the clip nut 1. A first side wall 7 is arranged on the side of the clip nut 1. A second side wall 8 is arranged on the top of the first side wall 7. A side groove 9 is arranged on the outer side of the second side wall 8. A stopper 10 is arranged on the side of the clip nut 1. There are two first side walls 7, two second side walls 8 and side grooves 9 respectively, and there are four stoppers 10. The through hole 6, the first side wall 7, the second side wall 8, the side grooves 9 and the stopper 10 are formed by the interaction of the lower die 3 and the upper die 4. A first die base 11 is installed on the top of the machine tool 2, the lower die 3 is installed on the top of the first die base 11, and a stand 12 is fixedly connected to the top of the machine tool 2 A first cylinder 13 is arranged inside the stand 12, a second die base 14 is installed at the bottom output end of the first cylinder 13, an upper die 4 is installed at the bottom of the second die base 14, the raw material plate passes through the top of the lower die 3, a first inner groove 15 is opened at the top of the lower die 3, a second inner groove 16 is opened at the top of the lower die 3, a third inner groove 17 is opened at the top of the lower die 3, a first punch 18 is arranged at the bottom of the upper die 4, a second punch 19 is arranged at the bottom of the upper die 4, a third punch 20 is arranged at the bottom of the upper die 4, a second cylinder 21 is installed at the top of the first die base 11, a movable column 22 is arranged at the side output end of the second cylinder 21, the cross section of the movable column 22 is an I-shaped setting, the movable column 22 reaches the inside of the third inner groove 17, a third cylinder 23 is arranged inside the lower die 3, and the third cylinder 2 A pressure block 24 is arranged at the output end of the side of the lower die 3, there are two third cylinders 23 and pressure blocks 24 respectively, and the two pressure blocks 24 are distributed on the left and right sides of the third inner groove 17, a feeding groove 25 is arranged at the side of the lower die 3, and the feeding groove 25 is communicated with the third inner groove 17, a fourth cylinder 26 is arranged at the front side of the machine tool 2, and a push block 27 is arranged at the output end of the fourth cylinder 26, and the push block 27 is inside the feeding groove 25, a vibration screening machine 28 is arranged at the side of the machine tool 2, and a large number of nut members 5 are arranged in the vibration screening machine 28, and a feeding pipe 29 is fixedly connected to the side of the vibration screening machine 28, and the feeding pipe 29 is communicated with the feeding groove 25, a first movable hole 30 is opened at the side of the third inner groove 17, and the movable column 22 passes through the first movable hole 30, and a The second movable hole 31 has two second movable holes 31, and the two pressure blocks 24 pass through the two second movable holes 31 respectively. A mounting frame 32 is fixedly connected to the front side of the machine tool 2, and the fourth cylinder 26 is installed inside the mounting frame 32. A support block 33 is fixedly connected to the top of the machine tool 2, and the feed trough 25 is installed on the top of the support block 33. A guide column 34 is arranged at the bottom of the second die base 14, and a guide sleeve 35 is arranged at the top of the first die base 11. The guide column 34 moves downward with the upper die 4, and the guide column 34 and the guide sleeve 35 are plugged into each other. There are multiple guide columns 34 and guide sleeves 35 respectively. The depth of the third inner groove 17 is greater than that of the first inner groove 15 and the second inner groove 16. The length of the third punch 20 is greater than that of the first punch 18 and the second punch 19. A protrusion 36 is arranged at the bottom of the third punch 20.

[0041] like Figure 1 , Figure 2 , Figure 3 , Figure 5 , Figure 6 , Figure 7 , Figure 8 , Fig.11 and Fig.12 As shown: the top of the first die base 11 is fixedly connected with an inner seat 37, the bottom of the lower die 3 is provided with a built-in groove 38, the inner seat 37 is inside the built-in groove 38, the built-in groove 38 is connected with the third inner groove 17, a third movable hole 39 is opened on the side of the lower die 3, the third movable hole 39 is connected with the built-in groove 38, a fifth cylinder 40 is installed on the top of the first die base 11, and a second movable block 41 is provided on the side output end of the fifth cylinder 40, the second movable block 41 reaches the inside of the third movable hole 39, the third movable hole 39 is connected with the built-in groove 38, and the fifth cylinder 40 is provided with a second movable block 41. The second movable block 41 reaches the top of the inner seat 37, and the second movable block 41 reaches the bottom of the third inner groove 17. A first leakage hole 42 is opened inside the second movable block 41, and a second leakage hole 43 is opened inside the inner seat 37. A material discharge trough 44 is opened on the side of the machine tool 2. The second leakage hole 43 extends from the inner seat 37 to the material discharge trough 44. A container box 45 is arranged inside the material discharge trough 44. A moving wheel 46 is arranged at the bottom of the container box 45. There are multiple moving wheels 46, and a handle 47 is fixedly connected to the side of the container box 45.

[0042] A production process of a cage nut, using a cage nut production device for processing, comprises the following steps:

[0043] S1: Place the raw material plate on the top of the lower mold 3 and start the device;

[0044] S2: The raw material sheet is first punched out to form a rough shape of the through hole 6, and then the rough shape of the outer shell is punched out. The sheet-like outer shell has appeared, and the third punch 20 acts on the sheet-like outer shell. The sheet-like outer shell is completely disconnected and separated from the raw material sheet. The third punch 20 pushes the sheet-like outer shell into the third inner groove 17, and punches out the through hole 6, the two first side walls 7 and the four stoppers 10;

[0045] S3: the push block 27 pushes the nut member 5 between the two first side walls 7, and the nut member 5 reaches the inside of the four stoppers 10;

[0046] S4: The movable column 22 reaches between the two first side walls 7, the movable column 22 is at the top of the nut member 5, and the two pressing blocks 24 act on the two first side walls 7 respectively, press out two side grooves 9, and generate two second side walls 8, the nut member 5 is wrapped, restricted and fixed, and the clip nut 1 is completely processed;

[0047] S5: the second movable block 41 moves away from the third movable hole 39, and the clip nut 1 passes through the second leakage hole 43 and reaches the container 45 for storage.

[0048] When the present invention is in use: a raw material sheet is arranged so that the raw material sheet passes through the top of the lower die 3, and after the device is turned on, the raw material sheet is delivered from left to right, and at the same time, the first cylinder 13 repeats the extension operation and the contraction operation, and the first cylinder 13 drives the second die seat 14 and the upper die 4 to repeatedly move up and down, and at the same time, the vibration screening machine 28 continues to operate, and the nut member 5 in the vibration screening machine 28 reaches the feeding trough 25 through the feeding pipe 29, and at the same time, the fifth cylinder 40 extends and operates, driving the second movable block 41 to reach the inside of the third movable hole 39, and the second movable block 41 is between the third inner groove 17 and the inner seat 37, and the second movable block 41 effectively closes the bottom of the third inner groove 17, and the upper die 4 interacts with the lower die 3, and the first punch 18 and the second punch 19 continuously punch the raw material sheet, and the sheet The outer shell part has appeared, and the third punch 20 acts on the sheet-like outer shell part. The sheet-like outer shell part is completely disconnected and detached from the raw material sheet. The third punch 20 pushes the sheet-like outer shell part into the third inner groove 17, punches out the through hole 6, the two first side walls 7 and the four blocks 10, and the outer shell part is on the top of the second movable block 41. The second movable block 41 provides effective support, and the outer shell part is effectively positioned. The waste generated during the forming process of the through hole 6 passes through the first leak hole 42, the second leak hole 43 and the discharge chute 44 in turn to reach the containing box 45. During the process of the first cylinder 13 driving the second die base 14 and the upper die 4 to move downward, the multiple guide pillars 34 are respectively inserted into the multiple guide sleeves 35, which effectively buffer and increase protection. The first cylinder 13 shrinks and drives the second die base 14 and the upper die 4 to move downward. 4. The first punch 18, the second punch 19 and the third punch 20 return to their positions, the fourth cylinder 26 extends and operates, so that the push block 27 pushes the nut member 5 in the feed trough 25 to the third inner groove 17, the nut member 5 reaches between the two first side walls 7, and the nut member 5 reaches the inside of the four stoppers 10. The second cylinder 21 extends and operates, so that the movable column 22 reaches between the two first side walls 7, and the movable column 22 is on the top of the nut member 5. The two third cylinders 23 extend and operate at the same time, so that the two pressing blocks 24 act on the two first side walls 7 respectively. The I-shaped movable column 22 has grooves on the left and right, and the two first side walls 7 press out the side grooves 9 respectively, and produce two second side walls 8. The nut member 5 is wrapped, restricted and fixed, and the two third cylinders 23 shrink and operate at the same time so that the two pressing blocks 24 returns to its original position, the second cylinder 21 contracts and operates so that the movable column 22 and the clip nut 1 are completely processed. During the process of shell stamping, the nut is directly fed into the clip nut shell, which saves time and manpower, improves production efficiency and reduces production costs, avoids secondary processing that affects the shell shape and elasticity, and improves product quality. The processing process is repeated, and the fifth cylinder 40 repeats the contraction and extension operations. When the fifth cylinder 40 contracts and operates, it drives the second movable block 41 away from the inside of the third movable hole 39, and the bottom of the third inner groove 17 is opened. After the processing is completed, the clip nut 1 passes through the second leak hole 43 and the discharge chute 44 in turn to reach the containing box 45, and the clip nuts 1 are effectively collected and concentrated. When the clip nuts 1 reach a certain number, the operator holds the handle 47.The container box 45 is pulled out from the unloading chute 44, and the container box 45 is moved by a plurality of moving wheels 46, which saves time and improves working efficiency. The operation is easy and convenient for uniform transfer and processing of the cage nuts 1.

[0049] Although the present invention has been shown and described with reference to preferred embodiments, it will be understood by those skilled in the art that various changes in form and details may be made therein within the scope of the claims.

Claims

1. A production device for a cage nut, comprising a cage nut (1), a machine tool (2), a lower die (3) and an upper die (4), wherein: The clip nut (1) is provided with a nut member (5) inside, a through hole (6) is provided at the bottom of the clip nut (1), a first side wall (7) is provided at the side of the clip nut (1), a second side wall (8) is provided at the top of the first side wall (7), a side groove (9) is provided at the outer side of the second side wall (8), a stopper (10) is provided at the side of the clip nut (1), there are two first side walls (7), two second side walls (8) and two side grooves (9) respectively, there are four stoppers (10), and the through hole (6), the first side wall (7), the second side wall (8), the side groove (9) and the stopper (10) are formed by the interaction of the lower die (3) and the upper die (4) by punching; The machine tool (2) is provided with a first die base (11) on the top, the lower die (3) is provided on the top of the first die base (11), the machine tool (2) is fixedly connected with a stand (12) on the top, a first cylinder (13) is provided inside the stand (12), a second die base (14) is provided at the bottom output end of the first cylinder (13), the upper die (4) is provided at the bottom of the second die base (14), the raw material plate passes through the top of the lower die (3), a first inner groove (15) is provided at the top of the lower die (3), a second inner groove (16) is provided at the top of the lower die (3), a third inner groove (17) is provided at the top of the lower die (3), and a first punch (18) is provided at the bottom of the upper die (4). ), a second punch (19) is arranged at the bottom of the upper die (4), a third punch (20) is arranged at the bottom of the upper die (4), a second cylinder (21) is installed at the top of the first die base (11), a movable column (22) is arranged at the side output end of the second cylinder (21), the cross section of the movable column (22) is an I-shaped arrangement, the movable column (22) reaches the inside of the third inner groove (17), a third cylinder (23) is arranged inside the lower die (3), a pressure block (24) is arranged at the side output end of the third cylinder (23), there are two third cylinders (23) and two pressure blocks (24), and the two pressure blocks (24) are distributed on the left and right sides of the third inner groove (17); A feed trough (25) is installed on the side of the lower mold (3), and the feed trough (25) is communicated with the third inner groove (17). A fourth cylinder (26) is installed on the front side of the machine tool (2), and a push block (27) is arranged at the output end of the fourth cylinder (26). The push block (27) is inside the feed trough (25). A vibration screening machine (28) is installed on the side of the machine tool (2), and a large number of nut members (5) are arranged in the vibration screening machine (28). A feed pipe (29) is fixedly connected to the side of the vibration screening machine (28), and the feed pipe (29) is communicated with the feed trough (25).

2. The production device of a cage nut according to claim 1, characterized in that: The third inner groove (17) has a first movable hole (30) on its side, and the movable column (22) passes through the first movable hole (30). The third inner groove (17) has a second movable hole (31) on its side, and there are two second movable holes (31), and the two pressing blocks (24) pass through the two second movable holes (31) respectively.

3. The production device of a cage nut according to claim 1, characterized in that: The front side of the machine tool (2) is fixedly connected to a mounting frame (32), the fourth cylinder (26) is installed inside the mounting frame (32), the top of the machine tool (2) is fixedly connected to a support block (33), and the feed trough (25) is installed on the top of the support block (33).

4. The production device of a cage nut according to claim 1, characterized in that: A guide column (34) is arranged at the bottom of the second die base (14), and a guide sleeve (35) is arranged at the top of the first die base (11). The guide column (34) moves downward following the upper die (4), and the guide column (34) and the guide sleeve (35) are plugged into each other. There are a plurality of guide columns (34) and a plurality of guide sleeves (35).

5. The production device of a cage nut according to claim 1, characterized in that: The depth of the third inner groove (17) is greater than that of the first inner groove (15) and the second inner groove (16); the length of the third punch (20) is greater than that of the first punch (18) and the second punch (19); and a protrusion (36) is provided at the bottom of the third punch (20).

6. The production device of a cage nut according to claim 1, characterized in that: The top of the first die base (11) is fixedly connected with an inner seat (37); the bottom of the lower die (3) is provided with an inner groove (38); the inner seat (37) is inside the inner groove (38); the inner groove (38) and the third inner groove (17) are connected to each other; a third movable hole (39) is opened on the side of the lower die (3); the third movable hole (39) and the inner groove (38) are connected to each other; a fifth cylinder (40) is installed on the top of the first die base (11); a second movable block (41) is provided at the output end of the side of the fifth cylinder (40); the second movable block (41) reaches the inside of the third movable hole (39); the second movable block (41) reaches the top of the inner seat (37); and the second movable block (41) reaches the bottom of the third inner groove (17).

7. The production device of a cage nut according to claim 6, characterized in that: A first leakage hole (42) is provided inside the second movable block (41), a second leakage hole (43) is provided inside the inner seat (37), a material discharge trough (44) is provided on the side of the machine tool (2), the second leakage hole (43) extends from the inner seat (37) to the material discharge trough (44), and a containing box (45) is provided inside the material discharge trough (44).

8. The production device of a cage nut according to claim 7, characterized in that: The bottom of the container box (45) is provided with a plurality of moving wheels (46), and a handle (47) is fixedly connected to the side of the container box (45).

9. A production process for a cage nut, characterized in that The processing is performed using a production device for a clip nut as claimed in any one of claims 1 to 8, comprising the following steps: S1: placing the raw material plate on the top of the lower mold (3) and starting the device; S2: The raw material sheet is first punched out to form a rough shape of the through hole (6), and then the rough shape of the outer shell is punched out. The sheet-like outer shell has appeared, and the third punch (20) acts on the sheet-like outer shell. The sheet-like outer shell is completely disconnected and separated from the raw material sheet. The third punch (20) pushes the sheet-like outer shell into the third inner groove (17), and punches out the through hole (6), two first side walls (7) and four stoppers (10); S3: the push block (27) pushes the nut member (5) between the two first side walls (7), and the nut member (5) reaches the inside of the four stop blocks (10); S4: the movable column (22) reaches between the two first side walls (7), the movable column (22) is at the top of the nut member (5), and the two pressing blocks (24) act on the two first side walls (7) respectively, pressing out two side grooves (9) and generating two second side walls (8), the nut member (5) is wrapped, restricted and fixed, and the clip nut (1) is completely processed; S5: The second movable block (41) moves away from the third movable hole (39), and the clip nut (1) passes through the second leakage hole (43) and reaches the storage box (45) for storage.

Images