Structure for automatically feeding downwards riveted hexagonal stud in specified direction in die

Abstract

The utility model discloses a structure for automatically feeding a downward riveted hexagonal stud in a specified direction in a die, which enables the rotation direction of the hexagonal stud to be small when the hexagonal stud is riveted, further enables a riveted product to meet the size requirement, and improves the riveting yield. The automatic riveting device is used for riveting of the hexagonal studs and comprises a vibration material disc, the vibration material disc comprises a material disc body and a linear material rail, the output end of the material disc body outputs the hexagonal studs in a vibration mode, the hexagonal studs are conveyed along a conveying rail of the linear material rail, and hexagonal heads of the hexagonal studs are arranged upwards; the material distributing platform comprises two side fixing blocks, a transverse rail set, an upper sliding rail, a sliding block, at least one first clamping block, at least one first lifting air cylinder, a second horizontal air cylinder and at least one second clamping block, and the two side fixing blocks comprise the first side fixing block and the second side fixing block; and the stamping and riveting production line comprises a conveying material belt and an upper stamping pressure head, and the upper stamping pressure head is used for downwards stamping a hexagonal stud to a material hole in the corresponding position of the conveying material belt.

Description

Technical Field

[0001] The utility model relates to the technical field of stud riveting, in particular to a structure for automatically riveting hexagonal studs downwards in a mold and sending nails in a designated direction. Background Art

[0002] In industrial production, developers often design rivet studs on products to connect two products together. The existing process of riveting studs on small products is: continuous die cutting + engineering die riveting. When this production method is used for riveting, the product is first cut and the hole to be riveted stops below the stud. When riveting directly through the engineering die, the stud itself will rotate, which will cause the product to expand, so that the riveted product does not meet the product size requirements, resulting in a high rate of defective products and increased production costs. Summary of the invention

[0003] In view of the above problems, the utility model provides a structure for automatically feeding nails in a specified direction for riveting hexagonal studs downward in a mold, which reduces the rotation direction of the hexagonal studs during riveting, thereby meeting the dimensional requirements of the riveted products and improving the riveting yield.

[0004] A structure for automatically feeding nails in a specified direction of a hexagonal stud downwardly in a mold, which is used for riveting hexagonal studs, and is characterized in that it comprises:

[0005] A vibrating material tray, comprising a material tray body and a linear material rail, wherein the output end of the material tray body vibrates and outputs a hexagonal stud, the hexagonal stud is transported along a conveying track of the linear material rail, and the hexagonal head of the hexagonal stud is arranged upward;

[0006] The material distribution platform includes fixed blocks on both sides, a transverse rail group, an upper slide rail, a slide block, at least one first clamping block, at least one first lifting cylinder, a second horizontal cylinder, and at least one second clamping block. The fixed blocks on both sides include a first side fixed block and a second side fixed block.

[0007] and a stamping and riveting production line, which includes a conveyor belt and an upper stamping head, wherein the upper stamping head is used to stamp the hexagonal studs downward to the corresponding holes of the conveyor belt;

[0008] The two sides of the conveyor belt are respectively fixed frames, the first side fixing block is fixedly mounted on one of the fixed frames on one side, the second side fixing block is fixedly mounted on the outer side of the fixed frame on the other side and is arranged with a side convexity, a transverse track group is arranged between the second side fixing block and the first side fixing block, a transverse track is arranged on the transverse track group, the slider is embedded in the transverse track, one side of the slider is fixedly connected to the output end of the second horizontal cylinder, the second horizontal cylinder drives the slider to switch between the loading station and the blanking station, the slider is located in the blanking station state, the position corresponding to the punching head is provided with the second clamping block, the second clamping block is provided with a second positioning hole groove, a hexagonal stud with a fixed angular position is placed in the second positioning hole groove, and the shape of the second positioning hole groove is a hole groove structure arranged in the hexagonal shape of the hexagonal stud;

[0009] When the slider is located at the loading station, the slider is located in the concave guide groove of the second side fixing block, an upper slide rail is arranged directly above the second clamping block, the track groove of the upper slide rail is used to convey the hexagonal stud, a first clamping block is arranged at the end of the track groove of the upper slide rail, the first clamping block is provided with a first positioning hole groove, the track groove is connected to the first positioning hole groove, a hexagonal stud with a fixed angular position is placed in the first positioning hole groove, and the shape of the first positioning hole groove is a hole groove structure arranged in the shape of the hexagonal shape of the hexagonal stud;

[0010] The end of the linear material rail is connected to the conveying end of the corresponding track groove;

[0011] The two sides of the upper slide rail are respectively fixed to the corresponding ends of the second side fixing block, and the upper surface of the upper slide rail is covered with a cover plate, and the position of the cover plate corresponding to the first positioning hole groove is provided with a first lifting cylinder, and the lower piston end of the first lifting cylinder is used to press the hexagonal stud in the first positioning hole groove down into the second positioning hole groove;

[0012] The cylinder body of the second horizontal cylinder is directly or indirectly fixed on the exposed side surface of the second side fixing block.

[0013] It is further characterized by:

[0014] The number of the first clamping blocks is equal to the number of the second clamping blocks;

[0015] The number of the first clamping blocks is equal to the number of the first lifting cylinders;

[0016] The first clamping block and the second clamping block each include two side clamping blocks and corresponding two side compression springs, the compression springs on each side are mounted on the top of the corresponding side clamping blocks, the two side clamping blocks are fitted toward each other to form corresponding positioning hole grooves, when the positioning hole grooves are pressed downward by external force, the hexagonal studs move downward and simultaneously push the clamping blocks on both sides outward, so that the hexagonal studs are separated from the corresponding positioning hole grooves and move downward, completing the height direction position switching;

[0017] When the product on the material belt needs to be placed with four stud holes at the four corners of a square, the upper slide rail is provided with two groups of track grooves arranged at intervals, and a first clamping block is provided at the limiting end of each group of track grooves. The first positioning hole grooves corresponding to the two groups of first clamping blocks are arranged corresponding to the positions of two staggered stud holes, and the two groups of first positioning hole grooves are not on the same horizontal straight line or vertical straight line. When the second clamping block is at the loading station, a second positioning hole groove is arranged directly below each of the first positioning hole grooves, and the hexagonal rotation angles are the same;

[0018] The descending stroke of the lower piston end of the first lifting cylinder ensures that the hexagonal stud is sent into the second positioning hole groove without interfering with the movement of the structure below.

[0019] After the utility model is adopted, the vibration plate feeds the material to the track groove until the hexagonal stud is positioned in the first positioning hole groove of the first clamping block, the hexagonal stud in the first clamping block is sent to the second positioning hole groove of the second clamping block by the top of the first lifting cylinder, and the sliding block is pushed by the second horizontal cylinder to send the hexagonal stud in a fixed direction to the bottom of the upper punching head, and then the upper punching head rivets the fixed-direction hexagonal stud downward to the product material belt, and then the riveting operation of sending the hexagonal stud is circulated; the rotation direction of the hexagonal stud is small during riveting, so that the product after riveting meets the size requirements, and the riveting yield is improved. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the top view structure of the utility model;

[0021] Figure 2 for Figure 1 Schematic diagram of the AA cross-sectional structure;

[0022] Figure 3 The three-dimensional structure diagram of the utility model is shown in FIG. Figure 1 ;

[0023] Figure 4 The three-dimensional diagram of the local structure of the utility model is shown in FIG. Figure 2 (remove cover);

[0024] Figure 5 The three-dimensional structure diagram of the utility model is shown in FIG. Figure 3(Remove the cover plate, upper slide rail, upper punch head and upper and side accessories of the transverse track assembly)

[0025] The names corresponding to the serial numbers in the figure are as follows:

[0026] Loading station 1, blanking station 2, cylinder mounting plate 3, cover plate 4, clamping block 5, pressing spring 6, product 7, stud hole 8;

[0027] Vibrating material tray 10, material tray body 11, linear material rail 12, material distribution platform 20, transverse rail group 21, transverse rail 211, upper slide rail 22, rail groove 221, slider 23, first clamping block 24, first positioning hole groove 241, first lifting cylinder 25, second horizontal cylinder 26, second clamping block 27, second positioning hole groove 271, first side fixing block 28, second side fixing block 29, concave guide groove 291, stamping and riveting production line 30, conveyor belt 31, upper stamping pressure head 32, and fixed frame 33. DETAILED DESCRIPTION

[0028] A structure for automatically feeding nails in a specified direction for riveting hexagonal studs downward in a mold, which is used for riveting hexagonal studs, see Figure 1-Figure 5 , which includes a vibrating material tray 10, a material distribution platform 20, and a stamping and riveting production line 30;

[0029] The vibrating tray 10 includes a tray body 11 and a linear material rail 12. The output end of the tray body 11 vibrates and outputs hexagonal studs, which are transported along the conveying track of the linear material rail 12, with the hexagonal heads of the hexagonal studs facing upwards.

[0030] The material distribution platform 20 includes fixed blocks on both sides, a transverse rail group 21, an upper slide rail 22, a slide block 23, at least one first clamping block 24, at least one first lifting cylinder 25, a second horizontal cylinder 26, at least one second clamping block 27, and the fixed blocks on both sides include a first side fixed block 28 and a second side fixed block 29;

[0031] The stamping and riveting production line 30 includes a conveying belt 31 and an upper stamping head 32. The upper stamping head 32 is used to stamp the hexagonal studs downward to the corresponding holes of the conveying belt 31.

[0032] The two sides of the conveyor belt 31 are respectively fixed frames 33, the first side fixing block 28 is fixedly mounted on one of the side fixing frames 33, the second side fixing block 29 is fixedly mounted on the outer side of the other side fixing frame 33, and the side convexity is set, a transverse track group 21 is set between the second side fixing block 29 and the first side fixing block 28, a transverse track group 21 is set on the transverse track group 21, and the slider 23 is embedded in the transverse track 211, and one side of the slider 23 is fixedly connected to the output end of the second horizontal cylinder 26, and the second horizontal cylinder 26 drives the slider 23 to switch between the loading station 1 and the blanking station 2. When the slider 23 is located at the blanking station 2, a second clamping block 27 is set at the position corresponding to the punching head 32, and the second clamping block 27 is provided with a second positioning hole groove 271, and a hexagonal stud with a fixed angle position is placed in the second positioning hole groove 271, and the shape of the second positioning hole groove 271 is a hole groove structure set in the hexagonal shape of the hexagonal stud;

[0033] When the slider 23 is located at the loading station 1, the slider 23 is located in the concave guide groove 291 of the second side fixing block 29, and the upper slide rail 22 is arranged directly above the second clamping block 27. The track groove 221 of the upper slide rail 22 is used to convey the hexagonal stud 40. The end of the track groove 221 of the upper slide rail 22 is provided with a first clamping block 24. The first clamping block 24 is provided with a first positioning hole groove 241. The track groove 221 is connected to the first positioning hole groove 241. A hexagonal stud with a fixed angle position is placed in the first positioning hole groove 241. The shape of the first positioning hole groove 241 is a hole groove structure that imitates the hexagonal shape of the hexagonal stud;

[0034] The end of the linear material rail 12 is connected to the conveying end of the corresponding track groove 221;

[0035] Both sides of the upper slide rail 22 are fixed to the corresponding ends of the second side fixing block 29 respectively. The upper surface of the upper slide rail 22 is covered with a cover plate 4. The first lifting cylinder 25 is arranged at the position of the cover plate 4 corresponding to the first positioning hole groove 241. The lower piston end of the first lifting cylinder 25 is used to press the hexagonal stud in the first positioning hole groove 241 down into the second positioning hole groove 271.

[0036] The cylinder body of the second horizontal cylinder 26 is directly or indirectly fixed to the exposed side surface of the second side fixing block 29 .

[0037] In a specific implementation, the cylinder body of the second horizontal cylinder 26 is connected to the cylinder mounting plate 3 , and the cylinder mounting plate is fixed to the exposed side surfaces of the upper slide rail 22 and the second side fixing block 29 .

[0038] In specific implementation, the first clamp block 24 and the second clamp block 27 each include two side clamp blocks 5 and corresponding two side compression springs 6. The compression spring 6 on each side is mounted on the top of the corresponding side clamp block 5. The two side clamp blocks 5 are fitted together to form corresponding positioning hole grooves. When the positioning hole grooves are pressed downward by external force, the hexagonal studs move downward and push the clamp blocks 5 on both sides outward, so that the hexagonal studs break away from the corresponding positioning hole grooves and move downward, completing the height direction position switching.

[0039] For specific embodiments, see Figure 1-Figure 5 When the product 7 on the material belt needs to be placed with four stud holes 8 at the four corners of a square, two groups of track grooves 221 arranged at intervals are provided on the upper slide rail 22, and a first clamping block 24 is provided at the limiting end of each group of track grooves 221. The first positioning hole grooves 241 corresponding to the two groups of first clamping blocks 24 are arranged corresponding to the positions of two staggered stud holes 8, and the two groups of first positioning hole grooves 241 are not on the same horizontal straight line or vertical straight line. When the second clamping block 27 is at the loading station, a second positioning hole groove 271 is arranged directly below each first positioning hole groove 241, and the hexagonal rotation angle is the same;

[0040] The descending stroke of the lower piston end of the first lifting cylinder 25 ensures that the hexagonal stud is sent into the second positioning hole groove 271 without interfering with the movement of the structure below.

[0041] When the product 7 on the material belt needs to be placed with four stud holes 8 at the four corners of a square, a set of vibrating material trays 10 and a material distribution platform 20 are set in front of or behind the conveyor of the material belt to position the hexagonal studs on two stud holes 8 at a time, so as to complete the hexagonal stud riveting and loading of the four stud holes of the product.

[0042] Its working principle is as follows: the vibration plate feeds the material to the track groove until the hexagonal stud is positioned in the first positioning hole groove of the first clamping block, and the hexagonal stud in the first clamping block is sent to the second positioning hole groove of the second clamping block by the top of the first lifting cylinder, and the slider is pushed by the second horizontal cylinder to send the hexagonal stud to the bottom of the upper punching head in a certain direction, and then the upper punching head rivets the hexagonal stud in a certain direction to the product material belt downward, and then the riveting operation of sending the hexagonal stud is circulated; it makes the rotation direction of the hexagonal stud small during riveting, so that the product after riveting meets the composite size requirements, and improves the riveting yield.

[0043] It is obvious to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above, and that the present invention can be implemented in other specific forms without departing from the spirit or essential features of the present invention. Therefore, the embodiments should be regarded as exemplary and non-restrictive from any point of view, and the scope of the present invention is defined by the appended claims rather than the above description, and it is intended that all changes falling within the meaning and scope of the equivalent elements of the claims be included in the present invention. Any reference numeral in a claim should not be regarded as limiting the claim to which it relates.

[0044] In addition, it should be understood that although the present specification is described according to implementation modes, not every implementation mode contains only one independent technical solution. This description of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment may also be appropriately combined to form other implementation modes that can be understood by those skilled in the art.

Claims

1. A structure for automatically feeding nails in a specified direction of a hexagonal stud downwardly in a mold, which is used for riveting hexagonal studs, characterized in that: It includes: A vibrating material tray, comprising a material tray body and a linear material rail, wherein the output end of the material tray body vibrates and outputs a hexagonal stud, the hexagonal stud is transported along a conveying track of the linear material rail, and the hexagonal head of the hexagonal stud is arranged upward; The material distribution platform includes fixed blocks on both sides, a transverse track group, an upper slide rail, a slide block, at least one first clamping block, at least one first lifting cylinder, a second horizontal cylinder, and at least one second clamping block, wherein the fixed blocks on both sides include a first side fixed block and a second side fixed block; and a stamping and riveting production line, which includes a conveyor belt and an upper stamping head, wherein the upper stamping head is used to stamp the hexagonal studs downward to the corresponding holes of the conveyor belt; The two sides of the conveyor belt are respectively fixed frames, the first side fixing block is fixedly mounted on one of the fixed frames on one side, the second side fixing block is fixedly mounted on the outer side of the fixed frame on the other side and is arranged with a side convexity, a transverse track group is arranged between the second side fixing block and the first side fixing block, a transverse track is arranged on the transverse track group, the slider is embedded in the transverse track, one side of the slider is fixedly connected to the output end of the second horizontal cylinder, the second horizontal cylinder drives the slider to switch between the loading station and the blanking station, the slider is located in the blanking station state, the position corresponding to the punching head is provided with the second clamping block, the second clamping block is provided with a second positioning hole groove, a hexagonal stud with a fixed angular position is placed in the second positioning hole groove, and the shape of the second positioning hole groove is a hole groove structure arranged in the hexagonal shape of the hexagonal stud; When the slider is located at the loading station, the slider is located in the concave guide groove of the second side fixing block, an upper slide rail is arranged directly above the second clamping block, the track groove of the upper slide rail is used to convey the hexagonal stud, a first clamping block is arranged at the end of the track groove of the upper slide rail, the first clamping block is provided with a first positioning hole groove, the track groove is connected to the first positioning hole groove, a hexagonal stud with a fixed angular position is placed in the first positioning hole groove, and the shape of the first positioning hole groove is a hole groove structure arranged in the shape of the hexagonal shape of the hexagonal stud; The end of the linear material rail is connected to the conveying end of the corresponding track groove; The two sides of the upper slide rail are respectively fixed to the corresponding ends of the second side fixing block, and the upper surface of the upper slide rail is covered with a cover plate, and the position of the cover plate corresponding to the first positioning hole groove is provided with a first lifting cylinder, and the lower piston end of the first lifting cylinder is used to press the hexagonal stud in the first positioning hole groove down into the second positioning hole groove; The cylinder body of the second horizontal cylinder is directly or indirectly fixed on the exposed side surface of the second side fixing block.

2. According to claim 1, a structure for automatically riveting hexagonal studs downward in a mold and feeding them in a specified direction, characterized in that: The number of the first clamping blocks is equal to the number of the second clamping blocks.

3. The structure for automatically riveting hexagonal studs downward in a mold and feeding them in a specified direction according to claim 1, characterized in that: The number of the first clamping blocks is equal to the number of the first lifting cylinders.

4. The structure for automatically riveting hexagonal studs downward in a mold and feeding them in a specified direction according to claim 1, characterized in that: The first clamp block and the second clamp block each include two side clamp blocks and corresponding two side compression springs. The compression spring on each side is mounted on the top of the corresponding side clamp block. The two side clamp blocks are fitted together to form corresponding positioning hole grooves. When the positioning hole grooves are pressed downward by external force, the hexagonal stud moves downward and pushes the clamp blocks on both sides outward, so that the hexagonal stud disengages from the corresponding positioning hole groove and moves downward, completing the height direction position switching.

5. The structure for automatically riveting hexagonal studs downward in a mold and feeding them in a specified direction according to claim 1, characterized in that: When the products on the material belt need to be placed with four stud holes at the four corners of a square, two groups of spaced-apart track grooves are provided on the upper slide rail, and a first clamping block is provided at the limiting end of each group of track grooves. The first positioning hole grooves corresponding to the two groups of first clamping blocks correspond to the positions of two staggered stud holes, and the two groups of first positioning hole grooves are not on the same horizontal straight line or vertical straight line. When the second clamping block is at the loading station, a second positioning hole groove is arranged directly below each of the first positioning hole grooves, and the hexagonal shape has the same rotation angle.

6. The structure for automatically riveting hexagonal studs downward in a mold and feeding the studs in a specified direction according to claim 1 is characterized in that: The descending stroke of the lower piston end of the first lifting cylinder ensures that the hexagonal stud is sent into the second positioning hole groove without interfering with the movement of the structure below.

Images