Die with precise die positioning block

Abstract

The utility model discloses a mould with precise mould positioning blocks, which comprises a bottom plate, a lower mould seat is fixedly arranged in the middle of the top end of the bottom plate, second positioning grooves and L-shaped grooves are arranged at four corners of the top end of the lower mould seat, and lower positioning blocks are clamped in the four second positioning grooves. According to the mold with the precise mold positioning block, compared with a traditional mold, single guide column and guide sleeve positioning is adopted, four sets of positioning structures are additionally arranged, long-period high-precision positioning can be ensured, the mold is simple in structure and convenient to operate, the mold is simple in structure, the mold is convenient to use, and the mold is suitable for large-scale popularization and application. And a plurality of groups of positioning structures are arranged, so that the mold closing force and the impact force can be shared, a guide pillar and a parting surface are prevented from being abraded too fast, the contact surfaces between the positioning blocks can be conveniently and periodically lubricated through the matched arrangement of the four lubricating channels and the four lubricating holes, and the friction and abrasion rate is reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to the mould field, concretely is a mould with precision mould positioning block. BACKGROUND

[0002] In mould design and manufacture, accurate positioning is an important factor of guaranteeing product quality, reducing burr or offset and other defects. The positioning mode of traditional mould mainly depends on the rough positioning or auxiliary positioning of mould guide pillar, guide sleeve and parting surface structure, the positioning mode can gradually increase the gap between guide pillar and guide sleeve when the mould service period is longer or the impact load is larger, leads to the positioning deviation when moulding, and can produce deformation, looseness, leads to uneven parting surface contact, positioning error increases, thereby affecting product quality.

[0003] To solve the above problems, a mould with precision mould positioning block is provided. CONTENT OF THE UTILITY MODEL

[0004] The utility model aims at providing a mould with precision mould positioning block to solve the problems in the background art.

[0005] To achieve the above object, the utility model provides the following technical scheme: a mould with precision mould positioning block, including bottom plate, the middle part of bottom plate top is fixedly provided with lower mould base, the four corners of lower mould base top are all provided with second positioning slot and L type groove, the inside of four second positioning slots is all clamped with lower positioning block, the four corners of bottom plate top are all fixedly installed with electric hydraulic rod, the top between four electric hydraulic rods is fixedly provided with top plate, the middle part of top plate bottom is fixedly provided with upper mould base, the four corners of upper mould base bottom are all provided with first positioning slot, the inside of four first positioning slots is all clamped with mounting block, the middle part of four mounting blocks bottom is all provided with installation groove, the inside of four installation grooves is all provided with connecting block, the middle part of four connecting blocks bottom is all fixedly provided with upper positioning block.

[0006] Compared with the single guide pillar guide sleeve positioning of the traditional mold, four groups of positioning structures are added, which can ensure long period high precision positioning, and the setting of multiple positioning structures can help to share the mold force and impact force, prevent the guide pillar and parting surface from wearing too fast, and through the cooperation of four lubrication channels and four lubrication holes, the contact surface between the positioning blocks can be periodically lubricated, the friction and wear rate can be reduced, by loosening eight second fixing bolts, the four connecting blocks are no longer tightly fixed, and then the four connecting blocks are moved left and right, so that the four upper positioning blocks can be adjusted, thereby adapting to the small error of the mold, and after wear, secondary calibration can be carried out, four L-shaped baffles are respectively extended under the action of a plurality of extension springs, thereby protecting the four lower positioning blocks, preventing slag or chips from entering the lower positioning blocks, and protecting the high-precision surface.

[0007] Preferably, two sides of the bottom end of the four connecting blocks are provided with strip-shaped holes, eight second fixing bolts are arranged in the eight strip-shaped holes, two sides of the top end of the inner wall of the four installation grooves are provided with third threaded holes, and eight second fixing bolts are respectively screwed with eight third threaded holes. By loosening the eight second fixing bolts, the four connecting blocks are no longer tightly fixed, and then the four connecting blocks are moved left and right, so that the four upper positioning blocks can be adjusted, thereby adapting to the small error of the mold, and after wear, secondary calibration can be carried out.

[0008] Preferably, two sides of the bottom end of the four connecting blocks are provided with strip-shaped holes, eight second fixing bolts are arranged in the eight strip-shaped holes, two sides of the top end of the inner wall of the four installation grooves are provided with third threaded holes, and eight second fixing bolts are respectively screwed with eight third threaded holes. By loosening the eight second fixing bolts, the four connecting blocks are no longer tightly fixed, and then the four connecting blocks are moved left and right, so that the four upper positioning blocks can be adjusted, thereby adapting to the small error of the mold, and after wear, secondary calibration can be carried out.

[0009] Preferably, the bottom of the inner side of the eight installation grooves is provided with a first threaded hole, and the inside of the eight first threaded holes is provided with a first fixing bolt. The top of the inner wall of the four first positioning grooves is provided with a second threaded hole, and the eight first fixing bolts are respectively screwed with the eight second threaded holes. By screwing the eight first fixing bolts with the eight second threaded holes, the four installation blocks can be fixed and installed.

[0010] Preferably, the bottom of the inner side of the eight installation grooves is provided with a first threaded hole, and the inside of the eight first threaded holes is provided with a first fixing bolt. The top of the inner wall of the four first positioning grooves is provided with a second threaded hole, and the eight first fixing bolts are respectively screwed with the eight second threaded holes. By screwing the eight first fixing bolts with the eight second threaded holes, the four installation blocks can be fixed and installed.

[0011] Preferably, one side of the four lower positioning blocks is provided with a lubricating hole, both sides of the lower die seat are provided with two lubricating channels, and the four lubricating channels are communicated with the four lubricating holes respectively.

[0012] Preferably, the four upper positioning blocks are correspondingly arranged with the four lower positioning blocks respectively, and the four upper positioning blocks and the four lower positioning blocks are made of hardened alloy steel.

[0013] Compared with the prior art, the die has the advantages that: compared with the single guide pillar and guide sleeve positioning of the traditional die, four groups of positioning structures are added, long-period high-precision positioning can be ensured, and the setting of the multiple groups of positioning structures can help share the mold force and impact force, prevent the guide pillar and the parting surface from being worn too fast, the cooperation of the four lubricating channels and the four lubricating holes can facilitate the periodic lubrication of the contact surface between the positioning blocks, reduce the friction and wear rate, the eight second fixing bolts are loosened, so that the four connecting blocks are no longer tightly fixed, the four connecting blocks are moved left and right, and then the four upper positioning blocks can be fine-tuned, so that the die can adapt to small errors, and can be calibrated again after wear, the four L-shaped baffles are extended under the action of the plurality of extension springs, and then the four lower positioning blocks are protected, the molten slag or the cuttings cannot enter the lower positioning blocks, and the high-precision surface is protected. BRIEF DESCRIPTION OF DRAWINGS

[0014] Figure 1 It is a perspective view of the utility model;

[0015] Figure 2 It is a front view of the utility model;

[0016] Figure 3 It is an enlarged view of local A of the utility model;

[0017] Figure 4 It is an enlarged view of local B of the utility model;

[0018] Figure 5 It is a top view of the lower die seat of the utility model.

[0019] In the figure: 1, bottom plate; 2, lower die seat; 3, electric hydraulic rod; 4, top plate; 5, upper die seat; 6, first positioning groove; 7, mounting block; 8, mounting groove; 9, first threaded hole; 10, first fixing bolt; 11, second threaded hole; 12, installation slot; 13, connecting block; 14, upper positioning block; 15, strip-shaped hole; 16, second fixing bolt; 17, third threaded hole; 18, second positioning groove; 19, lower positioning block; 20, L-shaped groove; 21, expansion spring; 22, L-shaped baffle; 23, lubrication channel; 24, lubrication hole. DETAILED DESCRIPTION

[0020] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model.

[0021] Please refer to Figures 1-5 The utility model provides a mould with precise mould positioning block, including bottom plate 1, the middle part of bottom plate 1 top is fixedly set with lower die seat 2, the four corners of lower die seat 2 top are all set with second positioning groove 18 and L type groove 20, the inside of four second positioning grooves 18 is all set with lower positioning block 19, the four corners of bottom plate 1 top are all fixedly installed with electric hydraulic rod 3, the top of four electric hydraulic rods 3 is fixedly set with top plate 4, the middle part of top plate 4 bottom is fixedly set with upper die seat 5, the four corners of upper die seat 5 bottom are all set with first positioning groove 6, the inside of four first positioning grooves 6 is all set with mounting block 7, the middle part of four mounting blocks 7 bottom is all set with installation slot 12, the inside of four installation slots 12 is all set with connecting block 13, the middle part of four connecting blocks 13 bottom is all fixedly set with upper positioning block 14, compared with the single guide pillar guide bushing positioning of traditional mould, four groups of positioning structures are added, can ensure long period high accuracy positioning, and through the setting of multiple positioning structures can help to share the mold force and impact force, prevent guide pillar, parting surface wear too fast, through the cooperation setting of four lubrication channels 23 and four lubrication holes 24 can be convenient for the periodic lubrication of the contact surface between positioning block, reduce friction and wear rate, through the loosening of eight second fixing bolts 16, it no longer tightly fixes four connecting blocks 13, then moves four connecting blocks 13 left and right, and then it is convenient for four upper positioning blocks 14 to be adjusted, thereby adapting to the small error of mould, and after wearing, it can be calibrated again, four L-shaped baffles 22 are respectively extended under the action of several expansion springs 21, and then the four lower positioning blocks 19 are protected, can prevent slag or cuttings from entering the lower positioning block 19, and protect the high-precision surface.

[0022] The two sides of the bottom end of the four connecting blocks 13 are provided with strip-shaped holes 15, the interiors of the eight strip-shaped holes 15 are provided with second fixing bolts 16, the two sides of the top end of the inner walls of the four installation grooves 12 are provided with third threaded holes 17, the eight second fixing bolts 16 are respectively in threaded connection with the eight third threaded holes 17, the two sides of the bottom end of the four installation blocks 7 are provided with installation grooves 8, the top of the inner side of the eight installation grooves 8 is provided with first threaded holes 9, the interiors of the eight first threaded holes 9 are in threaded provision with first fixing bolts 10, the two sides of the top end of the inner walls of the four first positioning grooves 6 are provided with second threaded holes 11, the eight first fixing bolts 10 are respectively in threaded connection with the eight second threaded holes 11, the bottom of the inner side of the four L-shaped grooves 20 is fixedly provided with a plurality of expansion springs 21, the top between the plurality of expansion springs 21 located on the same side is fixedly provided with an L-shaped baffle 22, and the four L-shaped baffles 22 are respectively arranged in correspondence with the four lower positioning blocks 19.

[0023] In use, by loosening the eight second fixing bolts 16, the four connecting blocks 13 are no longer tightly fixed, and then the four connecting blocks 13 are moved left and right, so that the four upper positioning blocks 14 can be finely adjusted, thereby adapting to the small errors of the mold, and the secondary calibration can be performed after wear, the four installation blocks 7 are fixedly installed through the threaded connection of the eight first fixing bolts 10 and the eight second threaded holes 11, the four lower positioning blocks 19 are protected through the arrangement of the four L-shaped baffles 22, and the molten slag or cuttings are prevented from entering the lower positioning blocks 19, thereby protecting the high-precision surface.

[0024] The four L-shaped baffles 22 are respectively in sliding connection with the four L-shaped grooves 20, one side of the four lower positioning blocks 19 is provided with a lubricating hole 24, the two sides of the lower die seat 2 are provided with two lubricating channels 23, the four lubricating channels 23 are respectively in communication with the four lubricating holes 24, the four upper positioning blocks 14 are respectively arranged in correspondence with the four lower positioning blocks 19, and the four upper positioning blocks 14 and the four lower positioning blocks 19 are both made of hardened alloy steel.

[0025] In use, the stable up-and-down movement of the four L-shaped baffles 22 is ensured through the cooperation of the four L-shaped baffles 22 and the four L-shaped grooves 20, the contact surfaces between the positioning blocks are periodically lubricated through the cooperation of the four lubricating channels 23 and the four lubricating holes 24, thereby reducing the friction and wear rate, and the positioning block structure made of hardened alloy steel has high hardness and long service life.

[0026] The embodiment of the application in use: the mold compared with the traditional mold single guide pillar guide sleeve positioning, increased four groups of positioning structure, can ensure long cycle high precision positioning, and through the setting of multiple positioning structure can help to share the mold force and impact force, prevent the guide pillar, the parting surface wear too fast, through the cooperation of four lubricating channels 23 and four lubricating holes 24 can facilitate the periodic lubrication of the contact surface between the positioning block, reduce the friction and wear rate, by loosening eight second fixing bolts 16, so that it is no longer tightly fixed to the four connecting blocks 13, then move the four connecting blocks 13 left and right, and then facilitate the four upper positioning blocks 14 can be fine-tuned, so as to adapt to the mold small error, and after wear can be calibrated again, through the four L-shaped baffles 22 are respectively under the action of a plurality of extension springs 21, then the four lower positioning blocks 19 play a protective role, can prevent the slag or cuttings into the lower positioning block 19, protect the high-precision surface, wherein the four L-shaped baffles 22 are pressed into the L-shaped groove 20 when the mold is closed, which will not cause interference.

[0027] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. within the spirit and principles of the utility model shall be included in the protection scope of the utility model.

Claims

1. A mold with a precision mold positioning block, comprising a base plate (1), characterized in that: A lower mold base (2) is fixedly installed at the middle of the top of the base plate (1). A second positioning groove (18) and an L-shaped groove (20) are provided at the four corners of the top of the lower mold base (2). A lower positioning block (19) is engaged inside each of the four second positioning grooves (18). An electric hydraulic rod (3) is fixedly installed at each of the four corners of the top of the base plate (1). A top plate (4) is fixedly installed between the four electric hydraulic rods (3). An upper mold base (5) is fixedly installed at the middle of the bottom of the top plate (4). A first positioning groove (6) is provided at each of the four corners of the bottom of the upper mold base (5). An installation block (7) is engaged inside each of the four first positioning grooves (6). A placement groove (12) is provided at the middle of the bottom of each of the four installation blocks (7). A connecting block (13) is provided inside each of the four placement grooves (12). An upper positioning block (14) is fixedly installed at the middle of the bottom of each of the four connecting blocks (13).

2. The mold according to claim 1, characterized in that: Each of the four connecting blocks (13) has a strip hole (15) on both sides of its bottom end. Each of the eight strip holes (15) is provided with a second fixing bolt (16). Each of the four mounting grooves (12) has a third threaded hole (17) on both sides of its inner top wall. Each of the eight second fixing bolts (16) is threadedly connected to the eight third threaded holes (17).

3. The mold according to claim 1, characterized in that: Mounting slots (8) are provided on both sides of the bottom of the four mounting blocks (7). First threaded holes (9) are provided on the top of the inner side of the eight mounting slots (8). First fixing bolts (10) are threaded inside the eight first threaded holes (9). Second threaded holes (11) are provided on both sides of the top of the inner wall of the four first positioning slots (6). The eight first fixing bolts (10) are threadedly connected to the eight second threaded holes (11) respectively.

4. The mold according to claim 1, characterized in that: Several telescopic springs (21) are fixedly installed at the bottom of the inner side of each of the four L-shaped grooves (20). An L-shaped baffle (22) is fixedly installed at the top between the several telescopic springs (21) on the same side. The four L-shaped baffles (22) are respectively set to correspond to the four lower positioning blocks (19).

5. The mold according to claim 4, characterized in that: The four L-shaped baffles (22) are slidably connected to the four L-shaped grooves (20) respectively.

6. The mold according to claim 1, characterized in that: Lubrication holes (24) are provided on one side of each of the four lower positioning blocks (19), and two lubrication channels (23) are provided on both sides of the lower mold base (2). The four lubrication channels (23) are respectively connected to the four lubrication holes (24).

7. The mold according to claim 1, characterized in that: The four upper positioning blocks (14) are respectively set with the four lower positioning blocks (19), and the four upper positioning blocks (14) and the four lower positioning blocks (19) are all made of hardened alloy steel.

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