Die structure capable of rapidly changing die in stamping production

Abstract

The utility model provides a die structure capable of rapidly changing a die in stamping production. Belongs to the field of stamping. According to the technical key points, the mold comprises a mold mechanism, the mold mechanism comprises a base, stand columns are fixedly connected to the four corners of the top of the base, a lower mold base is fixedly connected to the outer sides of all the stand columns, and an upper mold base in sliding connection with all the stand columns is arranged above the lower mold base; mounting grooves are formed in the opposite sides of the lower die base and the upper die base correspondingly, a lower die and an upper die which are matched with each other are inserted into the two mounting grooves correspondingly, and through holes are formed in the opposite sides of the upper die base and the lower die base correspondingly. The opposite sides of the lower mold and the upper mold are fixedly connected with limiting seats matched with the through holes, and the two sets of limiting seats penetrate through the two sets of through holes correspondingly; the utility model aims to provide a die structure capable of quickly changing a die in stamping production. A lower die and an upper die can be replaced more conveniently and quickly.

Description

TECHNICAL FIELD

[0001] The utility model relates to the field of stamping processing, and specifically relates to a die structure for quick die changing in stamping production. BACKGROUND

[0002] Stamping processing is a production technology that makes sheet metal directly subjected to deformation force in a die and deformed by the power of conventional or special stamping equipment, thereby obtaining product parts with certain shape, size and performance. Sheet metal, die and equipment are the three elements of stamping processing. According to the stamping processing temperature, it is divided into hot stamping and cold stamping. The former is suitable for processing sheet metal with high deformation resistance and poor plasticity; the latter is carried out at room temperature and is the commonly used stamping method for thin sheet metal.

[0003] The current stamping die is mainly divided into an upper die and a lower die. The upper die and the lower die are often installed on an upper die seat and a lower die seat by a plurality of bolts. When other workpieces need to be stamped, a large number of bolts need to be manually disassembled to disassemble the upper die and the lower die respectively, and then the corresponding die is installed, so that the replacement of the entire die is relatively inconvenient. UTILITY MODEL CONTENT

[0004] The utility model aims at providing a die structure for quick die changing in stamping production to solve the problems in the above background technology.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical scheme:

[0006] A die structure for quick die changing in stamping production comprises

[0007] A die mechanism comprises a base, the top corners of the base are fixedly connected with stand columns, the outer sides of each group of stand columns are fixedly connected with lower die seats, the upper parts of the lower die seats are provided with upper die seats which are slidingly connected with each group of stand columns, the opposite sides of the lower die seats and the upper die seats are provided with mounting grooves, the inner parts of two groups of mounting grooves are respectively inserted with lower dies and upper dies which are matched, the opposite sides of the upper die seats and the lower die seats are provided with through holes, the opposite sides of the lower dies and the upper dies are fixedly connected with limiting seats which are matched with the through holes, two groups of limiting seats respectively penetrate two groups of through holes, the two sides of two groups of limiting seats are provided with limiting grooves, the opposite sides of the upper die seats and the lower die seats are fixedly connected with fixed columns which are symmetrical, the outer sides of two groups of fixed columns are rotatably connected with limiting blocks, and each group of limiting blocks is respectively inserted into the inner part of each group of limiting grooves.

[0008] The unlocking mechanism comprises a gear fixedly connected to each group of the limiting blocks away from one side of the limiting groove, a rotating shaft symmetrically connected to the top of the base, a first half gear provided on the outer side of each of the two rotating shafts and matched with the two groups of the gears on the upside, a second half gear provided below each of the two groups of the first half gears and fixedly connected with the two rotating shafts respectively, and two groups of the second half gears corresponding to the two groups of the gears on the downside, wherein the second half gears on the same side are arranged in a staggered manner with the first half gears.

[0009] As a further scheme of the utility model, a plurality of reinforcing rib plates are fixedly connected to the outer sides of each group of the stand columns in a ring array, and each group of the reinforcing rib plates is fixedly connected with the base.

[0010] As a further scheme of the utility model, a fixed block is fixedly connected to each group of the fixed columns away from the upper die holder, and a torsion spring is fixedly connected between each group of the fixed blocks and the limiting blocks.

[0011] As a further scheme of the utility model, a stop block is abutted to one side of each group of the limiting blocks, and the two groups of the stop blocks are fixedly connected with the upper die holder and the lower die holder respectively.

[0012] As a further scheme of the utility model, a worm gear is fixedly connected to the outer side of each of the two rotating shafts, a worm is meshingly connected to one side of the two groups of the worm gears, the worm is rotatably connected with the base, a stepping motor is fixedly connected to one side of the base, and an output end of the stepping motor is fixedly connected with the worm.

[0013] As a further scheme of the utility model, the vertical section of each group of the connecting columns is in a hexagonal structure, and each group of the connecting holes is matched with the connecting columns.

[0014] Compared with the prior art, the utility model has the advantages of:

[0015] The utility model discloses adopt above -mentioned structure, through the mutual cooperation of limiting block, gear, first half gear, connecting plate and pivot, make when the lower mould and upper mould are dismantled and replace, can move down the upper mould to with the lower mould contact, after two side connecting board is inserted respectively two side connecting post's outside, thereby with the lower mould connecting fixed of upper mould, after can rotate two side pivot, thereby drive two side second half gear rotation, two side second half gear rotation can drive downside two groups of gear and downside two groups of limiting block rotation, until downside two side limiting block is separated from the inside of downside two groups of limiting slot, after upper mould base drive upper mould and lower mould go up, until first half gear moves to with upside gear alignment, after utilize the fork of forklift holds the bottom of lower mould, then continue to rotate two side pivot, thereby through upside two groups of first half gear respectively drive upside two groups of gear and limiting block rotation, until upside two groups of limiting block is separated from the inside of upside two groups of limiting slot, then can drive forklift, make the fork, lower mould and upper mould drop, until upside limiting seat is separated from the inside of upside installation slot, after drive forklift and take lower mould and upper mould away, make without manual rotation a large number of bolts can dismantle lower mould and upper mould, thereby make the replacement of lower mould and upper mould more convenient and fast. BRIEF DESCRIPTION OF DRAWINGS

[0016] The utility model will be further explained in detail in combination with the embodiment in the drawings, but does not constitute any limitation to the utility model.

[0017] Figure 1 It is the overall structure schematic view of a kind of die structure of quick die change in stamping production.

[0018] Figure 2 It is the die structure of quick die change in stamping production Figure 1 A portion structure schematic view.

[0019] Figure 3 It is the structure schematic view of another visual angle in a kind of die structure of quick die change in stamping production.

[0020] Figure 4 It is the B portion structure schematic view of a kind of die structure of quick die change in stamping production Figure 3 .

[0021] Figure 5 It is the C portion structure schematic view of a kind of die structure of quick die change in stamping production Figure 3 .

[0022] In the figure: 1, die mechanism; 101, base; 102, column; 103, upper die seat; 104, lower die seat; 105, mounting groove; 106, through hole; 107, lower die; 108, upper die; 109, limiting seat; 110, fixed column; 111, limiting block; 112, limiting groove; 113, reinforcing rib plate; 2, unlocking mechanism; 201, gear; 202, first half gear; 203, rotating shaft; 204, stop block; 205, fixed block; 206, torsional spring; 207, second half gear; 208, worm gear; 209, worm; 210, stepping motor; 211, connecting plate; 212, connecting hole; 213, connecting column. DETAILED DESCRIPTION

[0023] The technical solutions of the patent will be further described in detail below in combination with specific embodiments.

[0024] Please refer to Figures 1-5 A die structure for quick die change in stamping production, comprising a die mechanism 1, the die mechanism 1 comprising a base 101, the top of the base 101 is fixedly connected with a column 102 at each corner, and the base 101 is arranged to provide support for the column 102. The outer side of each group of columns 102 is fixedly connected with a plurality of reinforcing rib plates 113 in a ring array, each group of reinforcing rib plates 113 is fixedly connected with the base 101, and the reinforcing rib plates 113 are arranged to further connect and fix the column 102 and the base 101, thereby improving the connection stability of the column 102 and the base 101. The outer side of each group of columns 102 is fixedly connected with a lower die seat 104, and the upper side of the lower die seat 104 is provided with an upper die seat 103 which is slidingly connected with each group of columns 102, and the column 102 is arranged to provide support for the lower die seat 104 and also to guide the up-and-down movement of the upper die seat 103.

[0025] The opposite sides of the lower die seat 104 and the upper die seat 103 are both provided with mounting grooves 105, the inner parts of the two groups of mounting grooves 105 are respectively inserted with the matched lower die 107 and the upper die 108, the mounting grooves 105 are used for accommodating and limiting the lower die 107 and the upper die 108. The opposite sides of the upper die seat 103 and the lower die seat 104 are both provided with through holes 106, the opposite sides of the lower die 107 and the upper die 108 are both fixedly connected with the limiting seats 109 matched with the through holes 106, the two groups of limiting seats 109 respectively penetrate the two groups of through holes 106, the through holes 106 are used for the limiting seats 109 to penetrate. The two sides of the two groups of limiting seats 109 are both provided with limiting grooves 112, the opposite sides of the upper die seat 103 and the lower die seat 104 are both fixedly connected with the fixed columns 110, the outer sides of the two groups of fixed columns 110 are both rotatably connected with the limiting blocks 111, each group of limiting blocks 111 is respectively inserted into the inner part of each group of limiting grooves 112, the limiting grooves 112 are used for the limiting blocks 111 to be inserted, so that the limiting blocks 111 can limit the limiting seats 109 after being rotated into the limiting grooves 112, thereby limiting the lower die 107 and the upper die 108.

[0026] The sides of each group of fixed columns 110 away from the upper die seat 103 are both fixedly connected with the fixed blocks 205, the torsional springs 206 are fixedly connected between each group of fixed blocks 205 and the limiting blocks 111, the torsional springs 206 are used for driving the limiting blocks 111 to rotate into the limiting grooves 112 by the elastic effect, thereby reducing the probability of the limiting blocks 111 separating from the inner part of the limiting grooves 112. The sides of each group of limiting blocks 111 are all abutted with the stop blocks 204, the upper and lower groups of stop blocks 204 are respectively fixedly connected with the upper die seat 103 and the lower die seat 104, the stop blocks 204 can limit the limiting blocks 111 to reduce the probability of the limiting blocks 111 rotating out of the limiting grooves 112 under the elastic effect of the torsional springs 206. The unlocking mechanism 2 includes the gears 201 fixedly connected to the sides of each group of limiting blocks 111 away from the limiting grooves 112, the gears 201 are used for driving the limiting blocks 111 to rotate when rotating.

[0027] The top of the base 101 is symmetrically connected with the rotating shaft 203, the outer side of the two groups of rotating shafts 203 is equipped with the first half gear 202 matched with the upper two groups of gears 201, the lower side of the two groups of first half gears 202 is equipped with the second half gear 207 fixedly connected with the two groups of rotating shafts 203 respectively, the two groups of second half gears 207 correspond to the lower two groups of gears 201, the rotating shaft 203 is arranged to drive the first half gear 202 and the second half gear 207 to rotate when rotating, so as to drive the rotation of the upper and lower gears 201 and the limiting block 111. The outer side of the two groups of rotating shafts 203 is fixedly connected with the worm gear 208, one side of the two groups of worm gears 208 is meshed and connected with the worm 209, the worm 209 is rotatably connected with the base 101, and the worm 209 is arranged to drive the two sides of the worm gear 208 to rotate synchronously when rotating. One side of the base 101 is fixedly connected with the stepping motor 210, the output end of the stepping motor 210 is fixedly connected with the worm 209, and the stepping motor 210 is arranged to drive the worm 209 to rotate when rotating.

[0028] The same side second half gear 207 is arranged in a staggered manner with the first half gear 202, so that when the rotating shaft 203 drives the first half gear 202 and the second half gear 207 to rotate, the first half gear 202 can first rotate with the upper gear 201 and the upper limiting block 111, and after the upper limiting block 111 rotates out of the inside of the upper limiting groove 112, the lower second half gear 207 can be opened and rotated with the lower gear 201. The two sides of the lower mold 107 and the upper mold 108 are fixedly connected with the connecting column 213, the two sides of the lower mold 107 are provided with the connecting plate 211, the inside of the two groups of connecting plates 211 is symmetrically provided with the connecting hole 212, and the connecting plate 211 can connect the lower mold 107 and the upper mold 108 after being inserted into the outside of the connecting column 213. The vertical section of each group of connecting columns 213 is a hexagonal structure, and each group of connecting holes 212 is matched with the connecting column 213, so that the probability of rotation of the connecting column 213 can be reduced after the connecting plate 211 is inserted into the outside of the connecting column 213.

[0029] In use, the upper die holder 103 is connected and fixed with the output end of the punch machine, so that the output end of the punch machine can drive the upper die holder 103 and the upper die 108 to move up and down, and when the upper die 108 moves downward, the blank placed above the lower die 107 can be punched; when it is necessary to produce other workpieces and the lower die 107 and the upper die 108 need to be replaced, the punch machine can be started to drive the upper die holder 103 and the upper die 108 to move downward until the upper die 108 moves to contact the lower die 107, then the two sets of connecting plates 211 are taken out and inserted into the outer sides of the two side connecting columns 213, so that the lower die 107 and the upper die 108 are connected, then the stepper motor 210 can be started to drive the worm 209 to rotate when rotating, the worm 209 can drive the two sets of worms 208 and the two sets of shafts 203 to rotate synchronously when rotating, the two sets of shafts 203 can drive the two sides of the first half gears 202 and the two sides of the second half gears 207 to rotate synchronously when rotating, and since the second half gears 207 are arranged in a staggered manner with the first half gears 202, the second half gears 207 are first engaged with the two sets of lower gears 201, thereby driving the two sets of lower gears 201 and the two sets of limiting blocks 111 to rotate, supporting the two sets of lower limiting blocks 111 to rotate out of the interiors of the two sets of lower limiting grooves 112, then the punch machine is started again to drive the upper die holder 103 and the upper die 108 to move upward, the upper die 108 can drive the connecting plates 211 and the lower die 107 to move upward when moving upward, so that the lower die 107 is separated from the mounting groove 105, then the forklift is driven to move to one side of the whole die structure and the forks of the forklift are moved to contact the bottom of the lower die 107, then the stepper motor 210 is started again to drive the two sets of shafts 203 and the two sets of first half gears 202 to continue rotating, so that the first half gears 202 drive the two sets of upper gears 201 and the two sets of upper limiting blocks 111 to rotate until the two sets of upper limiting blocks 111 are separated from the interiors of the two sets of upper limiting grooves 112, thereby releasing the limitation of the upper limiting seat 109, and then the forklift is started to drive the forks to descend, thereby driving the lower die 107 and the upper die 108 to descend, until the upper limiting seat 109 is separated from the interior of the upper mounting groove 105, then the forklift is driven to carry away the upper die 108 and the lower die 107, and then the die to be replaced can be installed.

[0030] The above-mentioned embodiments are preferred embodiments of the present application, which are only used to facilitate the description of the present application and do not limit the present application in any form. Any person skilled in the art can make partial changes or modifications to the equivalent embodiments within the scope of the technical features disclosed by the present application without departing from the technical features of the present application, and the changes or modifications still belong to the scope of the technical features of the present application.

Claims

1. A die structure for quick die change in a press production, characterized by, Comprising The mold mechanism (1) comprises a base (101), the top four corners of the base (101) are fixedly connected with a stand (102), the outer side of each group of the stand (102) is fixedly connected with a lower mold base (104), the upper side of the lower mold base (104) is provided with an upper mold base (103) which is slidingly connected with each group of the stand (102), the opposite sides of the lower mold base (104) and the upper mold base (103) are provided with installation grooves (105), the inner sides of two groups of the installation grooves (105) are respectively inserted with a lower mold (107) and an upper mold (108) which are matched, the opposite sides of the upper mold base (103) and the lower mold base (104) are provided with through holes (106), the opposite sides of the lower mold (107) and the upper mold (108) are fixedly connected with limit seats (109) which are matched with the through holes (106), two groups of the limit seats (109) respectively penetrate two groups of the through holes (106), the two sides of two groups of the limit seats (109) are provided with limit grooves (112), the opposite sides of the upper mold base (103) and the lower mold base (104) are fixedly connected with fixed columns (110) which are symmetrical, the outer sides of two groups of the fixed columns (110) are rotatably connected with limit blocks (111), each group of the limit blocks (111) is respectively inserted into the inner side of each group of the limit grooves (112); The unlocking mechanism (2) comprises a gear (201) which is fixedly connected to the side of each group of the limit blocks (111) away from the limit grooves (112), the top of the base (101) is rotatably connected with a rotating shaft (203), the outer sides of two groups of the rotating shafts (203) are provided with first half gears (202) which are matched with the upper two groups of the gears (201), the lower sides of two groups of the first half gears (202) are provided with second half gears (207) which are respectively fixedly connected with two groups of the rotating shafts (203), two groups of the second half gears (207) correspond to the lower two groups of the gears (201), the second half gears (207) and the first half gears (202) on the same side are arranged in a staggered manner, the two sides of the lower mold (107) and the upper mold (108) are fixedly connected with connecting columns (213), the two sides of the lower mold (107) are provided with connecting plates (211), the inner sides of two groups of the connecting plates (211) are symmetrically provided with connecting holes (212).

2. The die structure for quick die change in a press production according to claim 1, wherein The outer sides of each group of the stand (102) are fixedly connected with a plurality of reinforcing rib plates (113), each group of the reinforcing rib plates (113) is fixedly connected with the base (101).

3. The die structure for quick die change in a press production according to claim 1, wherein The sides of each group of the fixed columns (110) away from the upper mold base (103) are fixedly connected with fixed blocks (205), the torsional springs (206) are fixedly connected between each group of the fixed blocks (205) and the limit blocks (111).

4. The die structure for quick die change in a press production according to claim 1, wherein The side of each group of the limiting blocks (111) is abutted with a stop block (204), and the upper and lower groups of the stop blocks (204) are fixedly connected with the upper die seat (103) and the lower die seat (104) respectively.

5. The die structure for quick die change in a press production according to claim 1, wherein The outer side of the two groups of the rotating shafts (203) is fixedly connected with a worm wheel (208), one side of the two groups of the worm wheels (208) is meshedly connected with a worm (209), the worm (209) is rotatably connected with the base (101), one side of the base (101) is fixedly connected with a stepping motor (210), and the output end of the stepping motor (210) is fixedly connected with the worm (209).

6. The die structure for quick die change in a press production according to claim 1, wherein The vertical section of each group of the connecting columns (213) is a hexagonal structure, and each group of the connecting holes (212) is matched with the connecting column (213).

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