A mechanical time delay system for a draw die process

Abstract

A drawing die process mechanical delay system belongs to the technical field of drawing and is used to solve the problems that the upper die cannot press the material, is not suitable for making a stripper plate and the stripping process is easy to cause the edge deformation of products. When the initial state of the hydraulic machine is compressed back, the upper die holder and the upper pressing plate are not changed in position due to the dead weight, the upper drawing die is retracted to the inside of the third inner cavity, the hydraulic machine can lift the upper die holder and the upper pressing plate after the top of the first limiting plate is in contact with the top inner wall of the third inner cavity, the top of the second limiting plate is in contact with the top inner wall of the sliding groove along with the upward movement of the upper pressing plate, then the lower pressing plate moves upward to lift the manufactured workpiece under the action of the L-shaped rod, the limiting rod and the second limiting plate, the demolding device does not need to be additionally arranged, and the deformation of the workpiece in the demolding process can be effectively prevented.

Description

TECHNICAL FIELD

[0001] The present application relates to the field of drawing technology, in particular to a drawing die process mechanical delay system. BACKGROUND

[0002] The mold is known as the mother of industry. In the booming period of the automotive industry, the market demand for automobiles is getting higher and higher, whether it is function or appearance. Market demand drives the development of the automotive industry, and the manufacturing and design level of automobile molds are constantly improving.

[0003] Especially some automobile parts products, the complexity is relatively difficult, the mold cost is high, in the present product is more and more complex, the drawing die process product is easy to wrinkle and change, the product is unstable, the upper die cannot press the material and is not suitable for making the stripping plate, and the stripping process is easy to cause the edge of the product to deform. In addition, the existing equipment needs to load the plate before production, and the loading process between the upper and lower molds is relatively dangerous.

[0004] To solve the above problems. Therefore, a drawing die process mechanical delay system is provided. SUMMARY

[0005] The purpose of the present application is to provide a drawing die process mechanical delay system, which solves the problem that the upper die cannot press the material and is not suitable for making the stripping plate and the stripping process is easy to cause the edge of the product to deform.

[0006] To achieve the above object, the present application provides the following technical scheme: a mechanical delay system of a drawing die process, comprising a drawing machine and a feeding mechanism arranged on one side of the drawing machine, the drawing machine comprising a drawing assembly, a demolding assembly and a limiting assembly arranged in the drawing assembly, and the demolding assembly and the limiting assembly are both provided with two groups, the drawing assembly comprising a lower die seat and a lower drawing punch fixedly connected to the top of the lower die seat, a lower pressing plate being arranged on the top of the lower die seat and outside the lower drawing punch, and the lower pressing plate being slidably connected with the lower drawing punch, the two sides of the lower die seat being fixedly connected with connecting blocks, the top of each connecting block being fixedly connected with a support, the drawing assembly further comprising an upper die seat arranged above the lower pressing plate, the bottom of the upper die seat being fixedly connected with an upper pressing plate, an upper drawing recess being movably arranged inside and below the upper die seat and the upper pressing plate, a hydraulic machine being arranged on the inner wall of the top of the support, a first limiting plate being fixedly connected to the output end of the hydraulic machine, the output end of the hydraulic machine penetrating downward through the upper die seat and the upper pressing plate and being fixedly connected with the upper drawing recess through the first limiting plate; the inside of the lower die seat being provided with a preset groove on both sides, the inside of the lower pressing plate being provided with a sliding groove on both sides, the demolding assembly comprising a fixed rod fixedly connected to the top of the lower die seat, the inside of the fixed rod being fixedly connected with a rod sleeve, the outer wall of the rod sleeve being fixedly connected with a stop block, an L-shaped rod being slidably connected to the rod sleeve, the bottom of the L-shaped rod corresponding to the preset groove, the bottom of the connecting block being fixedly connected with a limiting rod, the top of the limiting rod extending into the inside of the sliding groove and being connected with a second limiting plate, and the second limiting plate being slidably connected in the inside of the sliding groove.

[0007] Further, the inside of the upper pressing plate is provided with a first inner cavity and a second inner cavity on both sides, the first inner cavity being in communication with the second inner cavity, the inside of the upper pressing plate being provided with a third inner cavity in the middle, the third inner cavity being in communication with the two groups of second inner cavities, the first limiting plate being slidably connected in the inside of the third inner cavity, and the upper drawing recess penetrating downward through the third inner cavity and extending to the outside of the upper pressing plate.

[0008] Further, the limiting assembly comprises a special-shaped block slidably connected in the inside of the second inner cavity, one end of the special-shaped block close to the third inner cavity being fixedly connected with a locking rod, the locking rod extending into the inside of the third inner cavity, and a first spring being arranged between the other end of the special-shaped block and the inner wall of the second inner cavity.

[0009] Further, the limiting assembly further comprises an extrusion block slidably connected in the inside of the first inner cavity, the bottom of the extrusion block being fixedly connected with an extrusion rod, the extrusion rod penetrating downward through the upper pressing plate, the extrusion rod corresponding to the stop block, and a groove corresponding to the extrusion block being arranged on the special-shaped block.

[0010] Further, the feeding mechanism comprises a feeding assembly, a driving assembly, a transmission assembly and a linkage assembly, the feeding assembly comprises a feeding box arranged at one side of the drawing machine, the feeding box is internally used for containing the plate, both sides of the feeding box are respectively provided with a pushing groove and a plate discharging groove, the feeding box is slidingly connected with a toothed plate, the bottom of the feeding box is fixedly connected with a baffle below the toothed plate, both ends of the toothed plate are respectively fixedly connected with a pushing block and a U-shaped plate.

[0011] Further, the driving assembly comprises a double-head motor fixedly connected at one side of the feeding box, one side output end of the double-head motor is fixedly connected with a driving shaft, the bottom of the feeding box is rotatably connected with a transmission rod through a first fixing seat, the transmission rod is installed with a transmission belt between one end and the driving shaft, the other end of the transmission rod is fixedly connected with a straight gear meshing with the toothed plate, when the double-head motor rotates clockwise, the toothed plate can be driven to move to one side of the drawing machine through the driving shaft, the transmission belt, the transmission rod and the straight gear.

[0012] Further, the transmission assembly comprises a box body movably arranged between the feeding box and the drawing machine, the top of the box body is fixedly connected with a sliding seat, the sliding seat is slidingly connected with a sliding rod, and the sliding rod is fixedly connected with the outer wall of the feeding box, the bottom of the box body is provided with a movable groove corresponding to one end of the U-shaped plate.

[0013] Further, the transmission assembly further comprises a second fixing seat and a gear box fixedly connected at one side of the feeding box and the box body respectively, the first transmission shaft is rotatably connected with the second fixing seat, the first transmission shaft is meshingly connected with the other side output end of the double-head motor through a bevel gear, and the other end of the first transmission shaft is slidingly connected with a second transmission shaft.

[0014] Further, the box body is provided with a gear groove at the position of the gear box, the third transmission shaft is rotatably connected with the gear groove through a fixing piece, the second ratchet gear is slidingly connected with the third transmission shaft, the second spring is arranged between the second ratchet gear and the fixing piece, the first ratchet gear is further rotatably connected with the inside of the gear groove in front, and the first ratchet gear corresponds to the second ratchet gear, and the first ratchet gear and the second transmission shaft are meshingly connected through a bevel gear.

[0015] Further, the transmission assembly further comprises transmission rollers rotatably connected at four corners inside the box body, one group of the transmission rollers are fixedly connected with the third transmission shaft, the linkage assembly comprises linkage shafts rotatably connected at both sides inside the box body, the middle of the linkage shafts is fixedly connected with a transmission disc, the two groups of transmission discs are installed with a belt therebetween, the top and the bottom of the two groups of linkage shafts are fixedly connected with bevel gears, one end of the transmission roller is fixedly connected with an end face gear, and the end face gear is meshingly connected with the bevel gear.

[0016] Compared with the prior art, the beneficial effects of the present application are:

[0017] 1. The application provides a mechanical delay system of a drawing die process, when the initial state of a hydraulic machine is compressed back, the upper die seat and the upper pressing plate are not changed in position due to the dead weight, the upper drawing die is retracted to the inside of the third inner cavity, the hydraulic machine can lift the upper die seat and the upper pressing plate after the top of the first limiting plate contacts the top inner wall of the third inner cavity, with the upward movement of the upper pressing plate, the top of the second limiting plate contacts the top inner wall of the sliding groove, then under the action of the L-shaped rod, the limiting rod and the second limiting plate, the lower pressing plate moves upward to lift the manufactured workpiece, without additional setting of a demolding device, the workpiece can be effectively prevented from deformation in the demolding process.

[0018] 2. The application provides a mechanical delay system of a drawing die process, when a double-head motor rotates clockwise, a push block pushes out the lowest plate in the inside of a feeding box, a U-shaped plate moves to the end of a movable groove so that the box also moves to one side of a drawing machine, when a toothed plate moves to the maximum state, the double-head motor rotates counterclockwise, at this time, the toothed plate resets, in the initial stage of the movement of the U-shaped plate, the box does not reset, the double-head motor drives a transmission roller to rotate clockwise, under the action of a linkage assembly, four groups of transmission rollers rotate to convey the plate, the workpiece in the demolding completion state is located above the lower pressing plate, the formed workpiece is pushed to fall in the plate conveying process, the plate is located above the lower pressing plate and waits for reprocessing, under the action of the double-head motor rotating counterclockwise, one end of the U-shaped plate moves to the first end in the inside of the movable groove, and in the resetting process of the U-shaped plate, the box also resets, the box can be prevented from causing space obstruction to the working drawing machine, and a convenient feeding process is realized. BRIEF DESCRIPTION OF DRAWINGS

[0019] Figure 1 It is a whole structure schematic diagram of the application;

[0020] Figure 2 It is a drawing machine structure schematic diagram of the application;

[0021] Figure 3 It is a drawing assembly structure schematic diagram of the application;

[0022] Figure 4 It is a drawing assembly, demolding assembly and limiting assembly structure sectional view of the application;

[0023] Figure 5 It is a demolding assembly structure explosion drawing of the application;

[0024] Figure 6 It is a limiting assembly structure explosion drawing of the application;

[0025] Figure 7 It is a feeding mechanism structure schematic diagram of the application;

[0026] Figure 8Structure schematic view of the feeding assembly of the present application;

[0027] Figure 9 Structure exploded view of the feeding assembly and driving assembly of the present application;

[0028] Figure 10 Structure schematic view of the transmission assembly of the present application;

[0029] Figure 11 Structure exploded view of the transmission assembly of the present application;

[0030] Figure 12 Structure exploded view of the second fixing seat and gear box of the present application;

[0031] Figure 13 Structure schematic view of the linkage assembly of the present application.

[0032] In the figure: 1, a drawing machine; 11, a drawing assembly; 111, a lower die seat; 1111, a preset groove; 112, a lower pressing plate; 1121, a sliding groove; 113, a lower drawing punch; 114, a connecting block; 115, a support; 116, a hydraulic machine; 1161, a first limiting plate; 117, an upper die seat; 118, an upper pressing plate; 1181, a first inner cavity; 1182, a second inner cavity; 1183, a third inner cavity; 119, an upper drawing cavity; 12, a demolding assembly; 121, a fixed rod; 122, a rod sleeve; 123, a stop block; 124, an L-shaped rod; 125, a limiting rod; 126, a second limiting plate; 13, a limiting assembly; 131, a heterogeneous block; 132, a locking rod; 133, a first spring; 134, a groove; 135, an extrusion block; 136, an extrusion rod; 2, a feeding mechanism; 21, a feeding assembly; 211, a feeding box; 2111, a pushing groove; 2112, a plate outlet groove; 212, a toothed plate; 213, a baffle; 214, a pushing block; 215, a U-shaped plate; 22, a driving assembly; 221, a double-head motor; 222, a driving shaft; 223, a transmission belt; 224, a first fixing seat; 225, a transmission rod; 226, a straight gear; 23, a transmission assembly; 231, a box body; 2311, a sliding seat; 2312, a sliding rod; 2313, a movable groove; 232, a second fixing seat; 2321, a first transmission shaft; 2322, a second transmission shaft; 233, a gear box; 234, a gear groove; 2341, a first ratchet gear; 2342, a third transmission shaft; 2343, a fixing piece; 2344, a second spring; 2345, a second ratchet gear; 235, a transmission roller; 24, a linkage assembly; 241, a linkage shaft; 242, a transmission disc; 243, a belt; 244, a helical gear; 245, an end face gear. DETAILED DESCRIPTION

[0033] Clearly, the embodiments described are only a part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments of the present application, all the other embodiments obtained by a person of ordinary skill in the art without creative effort belong to the scope of protection of the present application.

[0034] In order to solve the technical problems that the upper die cannot press the material and is not suitable for the stripper plate, and the stripper process is easy to cause the deformation of the product edge, like Figures 1-6 As shown in the drawings, the following preferred technical solutions are provided:

[0035] A mechanical delay system of a drawing die process, comprising a drawing machine 1 and a feeding mechanism 2 arranged on one side of the drawing machine 1, the drawing machine 1 comprising a drawing assembly 11 and a stripper assembly 12 and a limiting assembly 13 arranged in the drawing assembly 11, and the stripper assembly 12 and the limiting assembly 13 are both provided with two groups, the drawing assembly 11 comprising a lower die seat 111 and a lower drawing punch 113 fixedly connected to the top of the lower die seat 111, a lower pressing plate 112 is arranged on the top of the lower die seat 111 and located at the outer edge of the lower drawing punch 113, and the lower pressing plate 112 is in sliding connection with the lower drawing punch 113, and the two sides of the lower die seat 111 are fixedly connected with a connecting block 114, the top of the connecting block 114 is fixedly connected with a bracket 115, the drawing assembly 11 further comprises an upper die seat 117 arranged above the lower pressing plate 112, the bottom of the upper die seat 117 is fixedly connected with an upper pressing plate 118, and the inside of the upper die seat 117 and the upper pressing plate 118 is movably provided with an upper drawing recess 119, the top inner wall of the bracket 115 is provided with a hydraulic machine 116, the output end of the hydraulic machine 116 is fixedly connected with a first limiting plate 1161, and the output end of the hydraulic machine 116 penetrates downward through the upper die seat 117 and the upper pressing plate 118 and is fixedly connected with the upper drawing recess 119 through the first limiting plate 1161; the inside of the lower die seat 111 is provided with a preset groove 1111 on both sides, and the inside of the lower pressing plate 112 is provided with a sliding groove 1121 on both sides, the stripper assembly 12 comprises a fixed rod 121 fixedly connected to the top of the lower die seat 111, the inside of the fixed rod 121 is fixedly connected with a rod sleeve 122, the outer wall of the rod sleeve 122 is fixedly connected with a stop block 123, the rod sleeve 122 is slidingly connected with an L-shaped rod 124, and the bottom of the L-shaped rod 124 corresponds to the preset groove 1111, the bottom of the connecting block 114 is fixedly connected with a limiting rod 125, the top of the limiting rod 125 extends into the inside of the sliding groove 1121 and is connected with a second limiting plate 126, and the second limiting plate 126 is slidingly connected in the inside of the sliding groove 1121.

[0036] The upper pressing plate 118 is provided with a first inner cavity 1181 and a second inner cavity 1182 on both sides of the inner part, and the first inner cavity 1181 communicates with the second inner cavity 1182. The upper pressing plate 118 is provided with a third inner cavity 1183 in the middle of the inner part, and the third inner cavity 1183 communicates with the two groups of second inner cavities 1182. The first limiting plate 1161 is slidingly connected in the inner part of the third inner cavity 1183. The upper drawing concave die 119 penetrates downwardly through the third inner cavity 1183 and extends to the outer part of the upper pressing plate 118.

[0037] The limiting assembly 13 comprises a special-shaped block 131 slidingly connected in the second inner cavity 1182. One end of the special-shaped block 131 is fixedly connected with a locking rod 132, and the locking rod 132 extends to the inner part of the third inner cavity 1183. The other end of the special-shaped block 131 is provided with a first spring 133 between the inner wall of the second inner cavity 1182.

[0038] The limiting assembly 13 further comprises an extrusion block 135 slidingly connected in the first inner cavity 1181. The bottom of the extrusion block 135 is fixedly connected with an extrusion rod 136, and the extrusion rod 136 penetrates downwardly through the upper pressing plate 118. The extrusion rod 136 corresponds to the stop block 123. The special-shaped block 131 is provided with a groove 134 corresponding to the extrusion block 135. When demolding, the upper die seat 117 and the upper pressing plate 118 are subjected to the action of the dead weight, and the hydraulic machine 116 first drives the upper drawing concave die 119 to move upwardly. When the first limiting plate 1161 above the upper drawing concave die 119 moves to the upper surface in the inner part of the third inner cavity 1183, the first limiting plate 1161 drives the upper die seat 117 and the upper pressing plate 118 to move upwardly. At this time, the extrusion rod 136 is not blocked by the stop block 123, and moves downwardly under the action of the first spring 133. The special-shaped block 131 moves so that the locking rod 132 is inserted into the inner part of the third inner cavity 1183 and locks the first limiting plate 1161. With the upward movement of the upper pressing plate 118, when the second limiting plate 126 contacts the inner wall at the top of the sliding groove 1121, the L-shaped rod 124, the limiting rod 125 and the second limiting plate 126 are driven by the upper pressing plate 118 to move upwardly, thereby achieving demolding.

[0039] Specifically, the plate to be processed is placed between the lower pressing plate 112 and the upper drawing female die 119, at this time the upper drawing female die 119 is located inside the third inner cavity 1183, the locking rod 132 is inserted inside the third inner cavity 1183 below the first limiting plate 1161, and the hydraulic machine 116 is extended to make the upper pressing plate 118 contact the plate downward and extrude downward until the bottom of the upper pressing plate 118 contacts the stop block 123, the extrusion rod 136 below the first inner cavity 1181 drives the extrusion block 135 to move upward under the action of the stop block 123, the extrusion rod 136 moves upward to compress the first spring 133 and make the locking rod 132 retract, at this time the hydraulic machine 116 continues to extend to make the upper drawing female die 119 move downward and press the plate, after the pressing is completed, the hydraulic machine 116 retracts, in the initial state of the hydraulic machine 116 retraction, the upper die seat 117 and the upper pressing plate 118 are unchanged due to the weight, the upper drawing female die 119 retracts to the inside of the third inner cavity 1183, when the top of the first limiting plate 1161 contacts the inner wall of the top of the third inner cavity 1183, the hydraulic machine 116 can lift the upper die seat 117 and the upper pressing plate 118, with the upward movement of the upper pressing plate 118, the top of the second limiting plate 126 contacts the top inner wall of the sliding groove 1121, then under the action of the L-shaped rod 124, the limiting rod 125 and the second limiting plate 126, the lower pressing plate 112 moves upward to lift the workpiece, without additional setting of the demolding device, the deformation of the workpiece in the demolding process can be effectively prevented.

[0040] In order to solve the technical problems that the existing equipment needs to feed the plate before production, and the feeding process between the upper and lower molds is dangerous, such as Figures 7-13 As shown in the drawings, the following preferred technical solutions are provided:

[0041] The feeding mechanism 2 comprises a feeding assembly 21, a driving assembly 22, a transmission assembly 23 and a linkage assembly 24, the feeding assembly 21 comprises a feeding box 211 arranged on one side of the drawing machine 1, the feeding box 211 is used to hold the plate, the feeding box 211 is slidably connected with a toothed plate 212, the bottom of the feeding box 211 is fixedly connected with a baffle 213 below the toothed plate 212, the baffle 213 prevents the toothed plate 212 from falling off, the toothed plate 212 is fixedly connected with a push block 214 and a U-shaped plate 215 at both ends, respectively, the push block 214 pushes the lowest plate placed in the feeding box 211.

[0042] The driving assembly 22 comprises a double-head motor 221 fixedly connected to one side of the feeding box 211, one side output end of the double-head motor 221 is fixedly connected with a driving shaft 222, the bottom of the feeding box 211 is rotationally connected with a transmission rod 225 through a first fixing seat 224, the transmission rod 225 is provided with a transmission belt 223 between one end and the driving shaft 222, the other end of the transmission rod 225 is fixedly connected with a straight gear 226 engaged with the toothed plate 212, when the double-head motor 221 rotates clockwise, the toothed plate 212 can be driven to move to one side of the drawing machine 1 through the driving shaft 222, the transmission belt 223, the transmission rod 225 and the straight gear 226.

[0043] The transmission assembly 23 comprises a box body 231 movably arranged between the feeding box 211 and the drawing machine 1, the top of the box body 231 is fixedly connected with a sliding seat 2311, the sliding seat 2311 is slidingly connected with a sliding rod 2312, and the sliding rod 2312 is fixedly connected with the outer wall of the feeding box 211, the bottom of the box body 231 is provided with a movable groove 2313 corresponding to one end of the U-shaped plate 215.

[0044] The transmission assembly 23 further comprises a second fixing seat 232 and a gear box 233 fixedly connected to one side of the feeding box 211 and the box body 231 respectively, the second fixing seat 232 is rotationally connected with a first transmission shaft 2321, the first transmission shaft 2321 is meshingly connected with the other side output end of the double-head motor 221 through a bevel gear, and the other end of the first transmission shaft 2321 is slidingly connected with a second transmission shaft 2322.

[0045] The box body 231 is provided with a gear groove 234 at the position of the gear box 233, the inside of the gear groove 234 is rotationally connected with a third transmission shaft 2342 through a fixing piece 2343, the third transmission shaft 2342 is slidingly connected with a second ratchet gear 2345, the second ratchet gear 2345 and the fixing piece 2343 are provided with a second spring 2344 therebetween, the inside of the gear groove 234 is further rotationally connected with a first ratchet gear 2341 in front, the first ratchet gear 2341 corresponds to the second ratchet gear 2345, the first ratchet gear 2341 and the second transmission shaft 2322 are meshingly connected through a bevel gear, when the double-head motor 221 rotates, the first ratchet gear 2341 can be driven to rotate through the first transmission shaft 2321 and the second transmission shaft 2322, when the double-head motor 221 rotates clockwise, the first ratchet gear 2341 cannot drive the second ratchet gear 2345 and the third transmission shaft 2342 to rotate.

[0046] The transmission assembly 23 further comprises transmission rollers 235 rotatably connected at the four corners inside the box body 231, wherein a group of the transmission rollers 235 are fixedly connected with the third transmission shaft 2342; when the double-head motor 221 rotates counterclockwise, the first transmission shaft 2321, the second transmission shaft 2322 and the first ratchet gear 2341 can drive the first ratchet gear 2341 to rotate, the first ratchet gear 2341 meshes with the second ratchet gear 2345 to drive the second ratchet gear 2345 to rotate clockwise, and the second ratchet gear 2345 drives the transmission roller 235 to rotate clockwise through the third transmission shaft 2342, so that the plate material can be conveyed to the inside of the drawing machine 1.

[0047] Specifically, after the workpiece is demolded, the double-head motor 221 is started, and when the double-head motor 221 rotates clockwise, the toothed plate 212 is moved to the position of the drawing machine 1 through the engagement of the straight gear 226 and the toothed plate 212, when the toothed plate 212 moves, the push block 214 pushes the plate in the lowermost part of the feeding box 211 out, at the same time, the U-shaped plate 215 slides in the movable groove 2313, and as the toothed plate 212 continues to extend, the plate is inserted between the transmission rollers 235 corresponding in upper and lower positions in the box 231, and when the U-shaped plate 215 moves to the end of the movable groove 2313, the box 231 also moves to the side of the drawing machine 1, because the first transmission shaft 2321 and the second transmission shaft 2322 are in sliding connection, so when the box 231 moves, the transmission relationship between the first transmission shaft 2321 and the second transmission shaft 2322 will not be damaged, and when the double-head motor 221 rotates clockwise, the first ratchet gear 2341 and the second ratchet gear 2345 form a ratchet gear structure, and the second ratchet gear 2345 will not rotate, when the toothed plate 212 moves to the maximum state, the double-head motor 221 rotates counterclockwise, at this time, the toothed plate 212 resets, because the U-shaped plate 215 is at the end of the movable groove 2313, so at the initial stage of the movement of the U-shaped plate 215, the box 231 will not reset, when the double-head motor 221 rotates counterclockwise, the first ratchet gear 2341 and the second ratchet gear 2345 are in engagement, and the double-head motor 221 drives the first ratchet gear 2341 to rotate clockwise through the first transmission shaft 2321 and the second transmission shaft 2322, and the first ratchet gear 2341 rotates clockwise to drive the transmission roller 235 to rotate clockwise through the second ratchet gear 2345 and the third transmission shaft 2342, under the action of the linkage assembly 24, the four groups of transmission rollers 235 rotate to convey the plate, and the workpiece in the demolding completion state is located above the lower pressing plate 112, and the plate is pushed off in the process of conveying to form the workpiece, and the plate is located above the lower pressing plate 112 to wait for reprocessing, under the action of the continuous counterclockwise rotation of the double-head motor 221, one end of the U-shaped plate 215 moves to the first end of the movable groove 2313, and in the process of resetting of the U-shaped plate 215, the box 231 also resets, so that the box 231 does not hinder the drawing machine 1 in the working state in space.

[0048] It should be noted that, in this document, the terms such as first and second are used merely to distinguish one entity or operation from another, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "contain" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or equipment including a series of elements not only includes those elements, but also includes other elements not explicitly listed or inherent to such process, method, article or equipment.

[0049] The above description is only the preferred embodiment of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can make equivalent replacements or changes according to the technical solution and the inventive concept of the present application within the technical range disclosed by the present application, which should be covered in the protection scope of the present application.

Claims

1. A mechanical delay system for a drawing die process, comprising a drawing machine (1) and a feeding mechanism (2) disposed on one side of the drawing machine (1), characterized in that: The drawing machine (1) includes a drawing assembly (11) and a demolding assembly (12) and a limiting assembly (13) disposed in the drawing assembly (11). The demolding assembly (12) and the limiting assembly (13) are provided in two sets. The drawing assembly (11) includes a lower die holder (111) and a lower drawing punch (113) fixedly connected to the top of the lower die holder (111). The top of the lower die holder (111) is provided with a lower pressure plate (112) located on the outer edge of the lower drawing punch (113). The lower pressure plate (112) is slidably connected to the lower drawing punch (113). Connecting blocks (114) are fixedly connected to both sides of the lower die holder (111). The top of the connecting blocks (114) is fixedly connected to... The bracket (115) and the drawing assembly (11) also include an upper die holder (117) disposed above the lower pressure plate (112). The bottom of the upper die holder (117) is fixedly connected to the upper pressure plate (118). An upper drawing die (119) is movably disposed inside the upper die holder (117) and the upper pressure plate (118). A hydraulic press (116) is disposed on the top inner wall of the bracket (115). A first limiting plate (1161) is fixedly connected to the output end of the hydraulic press (116). The output end of the hydraulic press (116) passes downward through the upper die holder (117) and the upper pressure plate (118) and is fixedly connected to the upper drawing die (119) through the first limiting plate (1161). The lower mold base (111) has a preset groove (1111) on both sides inside, and the lower pressure plate (112) has a sliding groove (1121) on both sides inside. The demolding assembly (12) includes a fixed rod (121) fixedly connected to the top of the lower mold base (111), a rod sleeve (122) fixedly connected to the inner side of the fixed rod (121), a stop block (123) fixedly connected to the outer wall of the rod sleeve (122), an L-shaped rod (124) slidably connected to the rod sleeve (122), and the bottom of the L-shaped rod (124) corresponds to the preset groove (1111). A limit rod (125) is fixedly connected to one end of the bottom of the connecting block (114), and the top of the limit rod (125) extends into the interior of the sliding groove (1121) and is connected to a second limit plate (126), and the second limit plate (126) is slidably connected to the interior of the sliding groove (1121). The upper pressure plate (118) has a first inner cavity (1181) and a second inner cavity (1182) on both sides, and the first inner cavity (1181) and the second inner cavity (1182) are connected. The upper pressure plate (118) has a third inner cavity (1183) in the middle, and the third inner cavity (1183) is connected to the two sets of second inner cavities (1182). The first limiting plate (1161) is slidably connected to the inside of the third inner cavity (1183). The upper drawing die (119) penetrates the third inner cavity (1183) downward and extends to the outside of the upper pressure plate (118). The limiting component (13) includes a non-circular block (131) slidably connected inside the second inner cavity (1182). A locking rod (132) is fixedly connected to one end of the non-circular block (131) near the third inner cavity (1183), and the locking rod (132) extends into the interior of the third inner cavity (1183). A first spring (133) is provided between the other end of the non-circular block (131) and the inner wall of the second inner cavity (1182). The limiting component (13) also includes an extrusion block (135) that is slidably connected inside the first inner cavity (1181). An extrusion rod (136) is fixedly connected to the bottom of the extrusion block (135), and the extrusion rod (136) extends downward through the upper pressure plate (118). The extrusion rod (136) corresponds to the stop block (123), and the irregular block (131) is provided with a groove (134) corresponding to the extrusion block (135).

2. The mechanical delay system for a drawing die process as described in claim 1, characterized in that: The feeding mechanism (2) includes a feeding assembly (21), a drive assembly (22), a transmission assembly (23), and a linkage assembly (24). The feeding assembly (21) includes a feeding box (211) located on one side of the drawing machine (1). The feeding box (211) is used to hold the plate. Push grooves (2111) and plate discharge grooves (2112) are respectively provided on both sides of the feeding box (211). The feeding box (211) is slidably connected to a toothed plate (212). A baffle (213) is fixedly connected to the bottom of the feeding box (211) below the toothed plate (212). Push blocks (214) and U-shaped plates (215) are fixedly connected to both ends of the toothed plate (212).

3. The mechanical delay system for a drawing die process as described in claim 2, characterized in that: The drive assembly (22) includes a double-headed motor (221) fixedly connected to one side of the feed box (211). The output end of the double-headed motor (221) is fixedly connected to a drive shaft (222). The bottom of the feed box (211) is rotatably connected to a transmission rod (225) via a first fixed seat (224). A transmission belt (223) is installed between one end of the transmission rod (225) and the drive shaft (222). The other end of the transmission rod (225) is fixedly connected to a spur gear (226) that meshes with the toothed plate (212). When the double-headed motor (221) rotates clockwise, it can drive the toothed plate (212) to move to one side of the drawing machine (1) via the drive shaft (222), transmission belt (223), transmission rod (225) and spur gear (226).

4. The mechanical delay system for a drawing die process as described in claim 3, characterized in that: The transmission assembly (23) includes a housing (231) movably disposed between the feeding box (211) and the drawing machine (1). A sliding seat (2311) is fixedly connected to the top of the housing (231), and a sliding rod (2312) is slidably connected to the sliding seat (2311). The sliding rod (2312) is fixedly connected to the outer wall of the feeding box (211). A movable groove (2313) is provided at the bottom of the housing (231), and the movable groove (2313) corresponds to one end of the U-shaped plate (215).

5. The mechanical delay system for a drawing die process as described in claim 4, characterized in that: The transmission assembly (23) also includes a second fixed seat (232) and a gearbox (233) that are respectively fixedly connected to one side of the feeding box (211) and the box body (231). A first transmission shaft (2321) is rotatably connected to the second fixed seat (232). The first transmission shaft (2321) is meshed with the output end of the double-head motor (221) through a bevel gear. The other end of the first transmission shaft (2321) is slidably connected to a second transmission shaft (2322).

6. The mechanical delay system for a drawing die process as described in claim 5, characterized in that: A gear groove (234) is provided on the housing (231) at the position of the gearbox (233). A third drive shaft (2342) is rotatably connected inside the gear groove (2343) through a fixing member (2343). A second ratchet (2345) is slidably connected on the third drive shaft (2342). A second spring (2344) is provided between the second ratchet (2345) and the fixing member (2343). A first ratchet (2341) is also rotatably connected to the front of the inside of the gear groove (234), and the first ratchet (2341) corresponds to the second ratchet (2345). The first ratchet (2341) is connected to the second drive shaft (2322) through bevel gear meshing.

7. The mechanical delay system for a drawing die process as described in claim 6, characterized in that: The transmission assembly (23) also includes transmission rollers (235) rotatably connected to the four corners inside the housing (231). One set of the transmission rollers (235) is fixedly connected to the third transmission shaft (2342). The linkage assembly (24) includes linkage shafts (241) rotatably connected to both sides inside the housing (231). A transmission disc (242) is fixedly connected in the middle of the linkage shaft (241). A belt (243) is installed between the two sets of transmission discs (242). Helical gears (244) are fixedly connected to the top and bottom of the two sets of linkage shafts (241). An end face gear (245) is fixedly connected to one end of the transmission roller (235), and the end face gear (245) meshes with the helical gear (244).

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