CN117102912A - Positioning clamp for processing injection mold - Google Patents
Positioning clamp for processing injection mold Download PDFInfo
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- CN117102912A CN117102912A CN202311065438.3A CN202311065438A CN117102912A CN 117102912 A CN117102912 A CN 117102912A CN 202311065438 A CN202311065438 A CN 202311065438A CN 117102912 A CN117102912 A CN 117102912A
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- 238000002347 injection Methods 0.000 title claims abstract description 89
- 239000007924 injection Substances 0.000 title claims abstract description 89
- 230000008093 supporting effect Effects 0.000 claims description 26
- 230000000149 penetrating effect Effects 0.000 claims description 13
- 230000000694 effects Effects 0.000 description 21
- 238000000034 method Methods 0.000 description 12
- 238000009434 installation Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005553 drilling Methods 0.000 description 1
- 238000001746 injection moulding Methods 0.000 description 1
- 238000005498 polishing Methods 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23Q—DETAILS, COMPONENTS, OR ACCESSORIES FOR MACHINE TOOLS, e.g. ARRANGEMENTS FOR COPYING OR CONTROLLING; MACHINE TOOLS IN GENERAL CHARACTERISED BY THE CONSTRUCTION OF PARTICULAR DETAILS OR COMPONENTS; COMBINATIONS OR ASSOCIATIONS OF METAL-WORKING MACHINES, NOT DIRECTED TO A PARTICULAR RESULT
- B23Q3/00—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine
- B23Q3/02—Devices holding, supporting, or positioning work or tools, of a kind normally removable from the machine for mounting on a work-table, tool-slide, or analogous part
- B23Q3/06—Work-clamping means
- B23Q3/062—Work-clamping means adapted for holding workpieces having a special form or being made from a special material
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
The application relates to the field of tool fixtures, in particular to a positioning fixture for processing an injection mold, which comprises a case, wherein the case is sequentially provided with: the mounting frame comprises a positioning plate and a plurality of mounting seats, the plurality of mounting seats are fixed on the chassis, the positioning plate is fixed between the plurality of mounting seats, and a positioning groove is formed in the upper surface of the positioning plate; the first clamping device comprises a first driving mechanism and two first clamping blocks; the positioning plate is provided with two first sliding grooves, the two first clamping blocks are respectively matched with the two first sliding grooves in a sliding manner, and the first driving mechanism is used for driving the two first clamping blocks to slide; the second clamping device comprises a second driving mechanism and two second clamping blocks; two second sliding grooves are formed in the positioning plate, the two second clamping blocks are respectively matched with the two second sliding grooves in a sliding mode, and the second driving mechanism is used for driving the two second clamping blocks to slide. The application is convenient for clamping injection molds with different sizes.
Description
Technical Field
The application relates to the field of tool clamps, in particular to a positioning clamp for processing an injection mold.
Background
At present, the mold is an important component of an injection molding machine, and different injection molds are often needed in the process of processing different automobile parts (such as front and rear bumpers, panels, instrument panels and other automobile inner and outer decorative parts). In the production process of the injection mold, the mold is often required to be processed by a numerical control machining center, so that the processed injection mold meets the production requirement. Meanwhile, in order to ensure the quality of the automobile parts, the requirement on the machining precision of the die is high, and the injection die needs to be subjected to operations such as cutting, drilling, polishing and the like in the machining process.
Related art needs to utilize anchor clamps to carry out the centre gripping fixed to injection mold at the in-process of processing injection mold, and traditional centre gripping generally orders in advance according to the size of mould, because injection mold's size is all different, and different anchor clamps of unidimensional injection mold generally need to order, at the in-process of processing injection mold, traditional anchor clamps are inconvenient to carry out the centre gripping fixed to not unidimensional injection mold.
Disclosure of Invention
In order to facilitate clamping and fixing of injection molds of different sizes, the application provides a positioning clamp for processing the injection molds.
The application provides a positioning fixture for processing an injection mold, which adopts the following technical scheme:
a positioning fixture for processing injection mold, includes the machine case, set gradually on the machine case:
the mounting frame comprises a positioning plate and a plurality of mounting seats, the mounting seats are fixed on the chassis, the positioning plate is fixed between the mounting seats, and a positioning groove for positioning the injection mold is formed in the upper surface of the positioning plate;
the first clamping device is used for clamping the length direction of the injection mold and comprises a first driving mechanism and two first clamping blocks; the positioning plate is provided with two first sliding grooves which are symmetrically distributed on two opposite inner side walls of the positioning groove; the two first clamping blocks are respectively matched with the two first sliding grooves in a sliding manner, and the first driving mechanism is used for driving the two first clamping blocks to slide towards a direction approaching to or away from each other;
the second clamping device is used for clamping the width direction of the injection mold and comprises a second driving mechanism and two second clamping blocks; two second sliding grooves are formed in the positioning plate and symmetrically distributed on the other two opposite inner side walls of the positioning groove; the two second clamping blocks are respectively matched with the two second sliding grooves in a sliding mode, and the second driving mechanism is used for driving the two second clamping blocks to slide towards the directions close to each other or away from each other.
By adopting the technical scheme, when the mould is required to be clamped, the mould is firstly conveyed into the positioning groove of the positioning plate; then the two first clamping blocks are driven to slide towards the directions close to each other through the first driving mechanism, so that the two first clamping blocks respectively clamp the two ends of the injection mold in the length direction; then the two second clamping blocks are driven to face towards the direction close to each other through the second driving mechanism, so that the two second clamping blocks respectively clamp two ends of the width direction of the injection mold, clamping and fixing of the injection molds with different sizes are facilitated, and meanwhile firmness of clamping the molds by the positioning clamp is improved; meanwhile, the first sliding groove has a guiding effect on the first clamping block, so that the sliding stability of the first clamping block is improved, and the second sliding groove has a guiding effect on the second clamping block, so that the sliding stability of the second clamping block is improved.
Optionally, the first driving mechanism comprises a first rotating plate, an arc-shaped rack, a gear, a rotating rod and a first driving component; the center of the first rotating plate is provided with a first threading hole for the injection mold to pass through, the first rotating plate is rotatably arranged between the two mounting seats, the upper surface of the first rotating plate is abutted to the lower surface of the positioning plate, and the lower surface of the first rotating plate is abutted to the upper surface of the chassis; the lower surfaces of the two first clamping blocks are fixedly provided with first driving rods, the positioning plate is provided with two first waist-shaped holes, and the two first driving rods are respectively in sliding fit with the two first waist-shaped holes; the first rotating plate is provided with two first driving grooves which are obliquely arranged, the bottom ends of the two first driving rods are respectively positioned in the two first driving grooves, and the two first driving rods are respectively in sliding fit with the two first driving grooves; the arc plate is fixed on the lower surface of the first rotating plate, an arc groove is formed in the case, the arc plate penetrates through the arc groove, and the arc plate is in sliding fit with the arc groove; the rotary rod is rotatably arranged in the case, the gear is sleeved on the rotary rod and fixedly connected with the rotary rod, the arc-shaped rack is fixed on the arc-shaped plate, the arc-shaped rack is positioned in the case, and the arc-shaped rack is meshed with the gear; the first driving component is arranged in the case and used for driving the rotating rod to rotate.
Through adopting above-mentioned technical scheme, first drive assembly drive rotary rod is rotatory, the rotary rod drives the gear rotation, the gear drives arc rack rotation, arc rack drives arc rotatory in the arc inslot, the arc drives first rotor plate rotation, first rotor plate drives two first actuating levers and rotates, because two first actuating levers all are the slope setting, and two first actuating levers slide the cooperation with two first actuating levers respectively, two first actuating levers slide the cooperation with two first waist type holes respectively simultaneously, therefore the second rotor plate drives two first actuating levers and slides towards the direction that is close to each other or is kept away from each other at rotatory in-process, two first actuating levers drive two first grip blocks respectively and slide towards the direction that is close to each other or is kept away from each other, thereby be convenient for realize the distance between two first grip blocks of automated adjustment, thereby be convenient for the mould of centre gripping different sizes; meanwhile, the arc-shaped groove has a guiding effect on the arc-shaped plate, so that the rotation stability of the arc-shaped plate is improved, and the rotation stability of the first rotating plate is further improved; meanwhile, as the center of the first rotating plate is provided with the first threading hole for the injection mold to pass through, the first rotating plate can not contact with the injection mold in the rotating process, and the injection mold and the first rotating plate are protected; meanwhile, as the rotating rod is rotationally arranged in the case, the gear is sleeved on the rotating rod and is fixedly connected with the rotating rod, and therefore, the gear and the arc-shaped rack are both positioned in the case, and the overall attractiveness and safety of the positioning clamp are improved.
Optionally, the first driving component comprises a first support, a worm wheel, a worm and a motor, wherein the first support is fixed in the case, two ends of the worm are both in rotational connection with the first support, the motor is fixed on the first support, and an output shaft of the motor is fixedly connected with the end part of the worm; the worm wheel is sleeved on the rotating rod and fixedly connected with the rotating rod, and the worm wheel is meshed with the worm.
By adopting the technical scheme, the motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the rotary rod to rotate, so that the automatic adjustment of the distance between the two first clamping blocks is realized, the labor intensity of workers is reduced, and the overall working efficiency is improved; meanwhile, as the worm and gear has a self-locking function, after the injection mold is clamped firmly by the two first clamping blocks, the driving action of the motor on the worm is stopped, and the two first clamping blocks cannot slide under the action of other external forces, so that the firmness of clamping the injection mold by the two first clamping blocks is improved.
Optionally, a first adjusting hole is formed in the first support, and the length direction of the first adjusting hole is perpendicular to the length direction of the worm; and a bolt is arranged in the first adjusting hole in a penetrating way, and the bolt is in threaded fit with the chassis.
By adopting the technical scheme, the nuts of the bolts and the case have clamping effect on the first support, so that the first support is fixed in the case, and convenience in mounting and dismounting the first support by staff is improved; meanwhile, the length direction of the first adjusting hole is perpendicular to the length direction of the worm, so that workers can conveniently adjust the positions of the worm and the motor towards the direction approaching or far away from the worm wheel, and the worm wheel and the worm are conveniently meshed with each other.
Optionally, the second driving mechanism comprises a second rotating plate, a linkage block, a rotating piece, an air cylinder, a second support and a supporting seat; the second rotating plate is provided with a second threading hole for the injection mold to pass through, the second rotating plate is rotatably arranged between the two mounting seats, the upper surface of the second rotating plate is abutted to the lower surface of the mounting seat, and the lower surface of the second rotating plate is abutted to the upper surface of the positioning plate; the upper surfaces of the two second clamping blocks are fixedly provided with second driving rods, the positioning plate is provided with two second waist-shaped holes, and the two second driving rods are respectively in sliding fit with the two second waist-shaped holes; the second rotating plate is provided with two second driving grooves which are obliquely arranged, the top ends of the two second driving rods are respectively positioned in the two second driving grooves, and the two second driving rods are respectively in sliding fit with the two second driving grooves; the linkage block is fixed on the second rotating plate, and the rotating piece is rotationally connected with the linkage block; the supporting seat is fixed on the chassis, and the second support is fixed on the supporting seat; the cylinder is rotationally connected with the second support, and a piston rod of the cylinder is fixedly connected with the rotating piece.
By adopting the technical scheme, as the second support is fixed on the supporting seat, the air cylinder is rotationally connected with the second support, the piston rod of the air cylinder is rotationally connected with the rotating piece, and the rotating piece is rotationally connected with the linkage block; when the piston rod is driven to stretch out and draw back through the air cylinder, the piston rod drives the linkage block to rotate, and the linkage block drives the two second driving grooves to rotate simultaneously; meanwhile, the second penetrating hole for the injection mold to penetrate is formed in the center of the second rotating plate, so that the second rotating plate cannot contact the injection mold in the rotating process, and the injection mold and the second rotating plate are protected.
Optionally, a second adjusting hole is formed in the supporting seat, and the second adjusting hole extends along the horizontal direction; and bolts are arranged in the second adjusting holes in a penetrating mode, and are matched with the machine case in a threaded mode.
By adopting the technical scheme, the nuts of the bolts and the machine case have clamping effect on the supporting seat, so that convenience for installing and dismantling the supporting seat by workers is improved; meanwhile, the second adjusting hole extends along the horizontal direction, so that a worker can conveniently adjust the distance between the supporting seat and the second rotating plate according to the stroke of the piston rod of the cylinder by releasing the fixing effect of the bolt on the supporting seat.
Optionally, a third adjusting hole is formed in the second support, and the third adjusting hole extends along the vertical direction; and a bolt is arranged in the third adjusting hole in a penetrating way, and the bolt is in threaded fit with the supporting seat.
By adopting the technical scheme, the bolt and the supporting seat have clamping effect on the second support, so that convenience for workers to install and detach the second support is improved; meanwhile, the third adjusting hole extends along the vertical direction, so that the position of the second support is convenient to adjust along the vertical direction by a worker, and the two ends of the air cylinder are convenient to be at the same height.
Optionally, the mounting seat comprises a mounting block and a top limiting block, the mounting block is fixed on the chassis, and the top limiting block is fixed at the top end of the mounting block; the positioning plate is fixedly provided with a plurality of plug-in blocks, the plug-in blocks are in one-to-one correspondence with the mounting blocks, the mounting blocks are provided with plug-in grooves, and the plug-in blocks are in plug-in fit with the plug-in grooves; the upper surface of the second rotating plate is abutted to the lower surface of the top limiting block.
By adopting the technical scheme, the inserting grooves have a positioning effect on the inserting blocks, so that convenience for workers to install the positioning blocks is improved, and meanwhile, the inserting grooves also have an upward supporting effect on the inserting blocks, so that the firmness of connection between the positioning blocks and the installing blocks is improved; meanwhile, the upper surface of the second rotating plate is abutted to the lower surface of the top limiting block, and the lower surface of the second rotating plate is abutted to the upper surface of the positioning block, so that the rotating stability of the second rotating plate is improved.
Optionally, the outer cambered surface of the first rotating plate abuts against the inner cambered surface of the mounting block, and the outer cambered surface of the second rotating plate abuts against the inner cambered surface of the mounting block.
Through adopting above-mentioned technical scheme, because the extrados butt in the intrados of installation piece of first rotor plate, the extrados butt in the intrados of installation piece of second rotor plate, consequently a plurality of installation pieces have not only increased the rotatory stability of first rotor plate, have also increased the rotatory stability of second rotor plate simultaneously.
Optionally, a fixing block is fixedly arranged on the outer side wall of the bottom end of the mounting block, a fourth adjusting hole is formed in the fixing block, and the fourth adjusting hole extends along the horizontal direction; and a bolt is arranged in the fourth adjusting hole in a penetrating way, and the bolt is in threaded fit with the chassis.
By adopting the technical scheme, the nuts of the bolts and the case have clamping effect on the fixed blocks, so that the fixed blocks are fixed on the case, the mounting seat is fixed on the case, and convenience in mounting and dismounting the mounting seat by workers is improved; meanwhile, the fourth adjusting hole extends along the horizontal direction, so that a worker can conveniently adjust the position of the mounting seat along the horizontal direction according to the size of the positioning plate.
In summary, the present application includes at least one of the following beneficial technical effects:
1. when the mold is required to be clamped, firstly, the mold is conveyed into a positioning groove of the positioning plate; then the two first clamping blocks are driven to slide towards the directions close to each other through the first driving mechanism, so that the two first clamping blocks respectively clamp the two ends of the injection mold in the length direction; then the two second clamping blocks are driven to face towards the direction close to each other through the second driving mechanism, so that the two second clamping blocks respectively clamp two ends of the width direction of the injection mold, clamping and fixing of the injection molds with different sizes are facilitated, and meanwhile firmness of clamping the molds by the positioning clamp is improved; meanwhile, the first sliding groove has a guiding effect on the first clamping block, so that the sliding stability of the first clamping block is improved, and the second sliding groove has a guiding effect on the second clamping block, so that the sliding stability of the second clamping block is improved;
2. the first driving assembly drives the rotating rod to rotate, the rotating rod drives the gear to rotate, the gear drives the arc-shaped rack to rotate, the arc-shaped rack drives the arc-shaped plate to rotate in the arc-shaped groove, the arc-shaped plate drives the first rotating plate to rotate, the first rotating plate drives the two first driving rods to rotate, and as the two first driving grooves are obliquely arranged and are respectively in sliding fit with the two first driving grooves, the two first driving rods are respectively in sliding fit with the two first waist-shaped holes, the second rotating plate drives the two first driving rods to slide towards the directions close to or away from each other in the rotating process, the two first driving rods respectively drive the two first clamping blocks to slide towards the directions close to or away from each other, and therefore automatic adjustment of the distance between the two first clamping blocks is facilitated, and dies with different sizes are conveniently clamped; meanwhile, the arc-shaped groove has a guiding effect on the arc-shaped plate, so that the rotation stability of the arc-shaped plate is improved, and the rotation stability of the first rotating plate is further improved; meanwhile, as the center of the first rotating plate is provided with the first threading hole for the injection mold to pass through, the first rotating plate can not contact with the injection mold in the rotating process, and the injection mold and the first rotating plate are protected; meanwhile, as the rotating rod is rotationally arranged in the case, and the gear is sleeved on the rotating rod and fixedly connected with the rotating rod, the gear and the arc-shaped rack are both positioned in the case, so that the overall aesthetic property and safety of the positioning clamp are improved;
3. the motor drives the worm to rotate, the worm drives the worm wheel to rotate, and the worm wheel drives the rotating rod to rotate, so that automatic adjustment of the distance between the two first clamping blocks is facilitated, the labor intensity of workers is reduced, and the overall working efficiency is improved; meanwhile, as the worm and gear has a self-locking function, after the injection mold is clamped firmly by the two first clamping blocks, the driving action of the motor on the worm is stopped, and the two first clamping blocks cannot slide under the action of other external forces, so that the firmness of clamping the injection mold by the two first clamping blocks is improved.
Drawings
Fig. 1 is a schematic structural view of a positioning jig for processing an injection mold according to an embodiment of the present application.
Fig. 2 is a schematic structural view of a first driving mechanism according to an embodiment of the present application.
Fig. 3 is a partial enlarged view of a portion a in fig. 2.
Fig. 4 is a schematic structural diagram of the mounting base, the first driving mechanism, the first clamping block and the second clamping block according to an embodiment of the present application.
Fig. 5 is a partial enlarged view of a portion B in fig. 1.
Reference numerals illustrate:
1. a chassis; 11. an arc-shaped groove; 12. an access door; 2. a positioning plate; 21. a positioning groove; 22. a first slip groove; 23. a second slip groove; 24. a first waist-shaped hole; 25. a second waist-shaped hole; 26. a plug block; 3. a mounting base; 31. a mounting block; 32. a top limiting block; 33. a fixed block; 34. a fourth adjustment aperture; 35. a plug-in groove; 4. a first driving mechanism; 41. a first rotating plate; 411. a first threading hole; 412. a first driving groove; 42. an arc-shaped plate; 43. an arc-shaped rack; 44. a gear; 45. a rotating rod; 46. a first drive assembly; 461. a first support; 462. a worm wheel; 463. a worm; 464. a motor; 465. a first adjustment aperture; 5. a first clamping block; 51. a first driving lever; 6. a second driving mechanism; 61. a second rotating plate; 611. a second threading hole; 612. a second driving groove; 62. a linkage block; 63. a rotating member; 64. a cylinder; 65. a second support; 651. a third adjustment aperture; 66. a support base; 661. a second adjustment aperture; 7. a second clamping block; 71. and a second driving lever.
Detailed Description
The application is described in further detail below with reference to fig. 1-5.
The terminology used herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the application. Unless defined otherwise, technical or scientific terms used herein should be given the ordinary meaning as understood by one of ordinary skill in the art to which this application belongs. The terms "first," "second," and the like, as used herein, do not denote any order, quantity, or importance, but rather are used to distinguish one element from another.
The embodiment of the application discloses a positioning clamp for processing an injection mold. Referring to fig. 1, a positioning jig for processing an injection mold includes a cabinet 1, an upper surface of the cabinet 1 being provided with a mounting bracket including a positioning plate 2 and a plurality of mounting seats 3. In this embodiment, the quantity of mount pad 3 is two, and two mount pads 3 are all fixed in the upper surface of quick-witted case 1, and locating plate 2 is fixed in between two mount pads 3, and the constant head tank 21 that is used for carrying out the location to injection mold is seted up to the upper surface of locating plate 2, and the constant head tank 21 has the location effect to injection mold, has increased the stability that injection mold placed.
With continued reference to fig. 1, each mounting base 3 includes a mounting block 31 and a top stopper 32, the mounting block 31 is fixed on the upper surface of the chassis 1, and the top stopper 32 is integrally formed on the top end of the mounting block 31. The positioning plate 2 is integrally formed with a plurality of plugging blocks 26, in this embodiment, the number of the plugging blocks 26 is two, and the two plugging blocks 26 are symmetrically distributed on two opposite sides of the positioning plate 2. The plug-in blocks 26 are in one-to-one correspondence with the mounting blocks 31. The inside walls of the two mounting blocks 31 are provided with inserting grooves 35, and the inserting blocks 26 are in inserting fit with the inserting grooves 35. The inserting groove 35 has a positioning effect on the inserting block 26, so that convenience for workers to install the positioning block is improved, and meanwhile, the inserting groove 35 also has an upward supporting effect on the inserting block 26, and accordingly firmness of connection between the positioning block and the installing block 31 is improved.
With continued reference to fig. 1, the outer side wall of the bottom end of each mounting block 31 is integrally formed with a fixing block 33, and the lower surface of the fixing block 33 abuts against the upper surface of the chassis 1. The upper surface of each fixed block 33 is provided with a fourth adjustment hole 34, and the fourth adjustment hole 34 extends in the horizontal direction. A bolt is inserted into each fourth adjusting hole 34, and the bolt is in threaded fit with the case 1. The nuts of the bolts and the case 1 have clamping effect on the fixed blocks 33, so that the fixed blocks 33 are fixed on the case 1, the mounting seat 3 is fixed on the case 1, and convenience in mounting and dismounting the mounting seat 3 by workers is improved. Meanwhile, the fourth adjusting hole 34 extends along the horizontal direction, so that a worker can conveniently adjust the position of the mounting seat 3 along the horizontal direction according to the size of the positioning plate 2.
With continued reference to fig. 1, the positioning fixture further includes a first clamping device for clamping the length direction of the injection mold and a second clamping device for clamping the width direction of the injection mold, so when the injection mold needs to be fixed, the injection mold to be processed is firstly carried into the positioning groove 21, then the two ends of the injection mold in the length direction are clamped and fixed by the first clamping device, and finally the two ends of the injection mold in the width direction are clamped and fixed by the second clamping device, thereby realizing clamping and fixing of the injection mold.
Referring to fig. 2 and 3, the first clamping device includes a first driving mechanism 4 and two first clamping blocks 5, two penetrating first sliding grooves 22 are formed in the positioning plate 2, and the two first sliding grooves 22 are symmetrically distributed on two opposite inner side walls of the positioning groove 21. The two first clamping blocks 5 are respectively in sliding fit with the two first sliding grooves 22, and the first driving mechanism 4 is used for driving the two first clamping blocks 5 to slide towards the directions approaching to each other or away from each other. When the mold is required to be clamped, the mold is firstly carried into the positioning groove 21 of the positioning plate 2, and then the two first clamping blocks 5 are driven to slide towards the directions approaching to each other by the first driving mechanism 4, so that the two first clamping blocks 5 respectively clamp the two ends of the injection mold in the length direction. Meanwhile, the first sliding groove 22 has a guiding effect on the first clamping blocks 5, so that the sliding stability of the first clamping blocks 5 is improved, and the firmness of clamping the injection mold by the two first clamping blocks 5 is improved.
Referring to fig. 3, the first driving mechanism 4 includes a first rotating plate 41, an arc-shaped plate 42, an arc-shaped rack 43, a gear 44, a rotating rod 45, and a first driving assembly 46. The center of first rotor plate 41 has seted up the first hole 411 of wearing that supplies injection mold to pass, and first rotor plate 41 rotates and sets up between two mount pads 3, and the upper surface butt of first rotor plate 41 is in the lower surface of locating plate 2, and the lower surface butt of first rotor plate 41 is in the upper surface of quick-witted case 1, and the extrados butt of first rotor plate 41 is in the intrados of two installation piece 31 simultaneously to the rotatory stability of first rotor plate 41 has been increased.
Referring to fig. 2 and 4, the lower surfaces of the two first clamping blocks 5 are integrally formed with first driving rods 51, the positioning plate 2 is provided with two first waist-shaped holes 24, each first waist-shaped hole 24 is mutually communicated with the first sliding groove 22, each first waist-shaped hole 24 extends along the radial direction of the positioning plate 2, and the two first driving rods 51 are respectively in sliding fit with the two first waist-shaped holes 24. Two first driving grooves 412 are formed in the first rotating plate 41, the two first driving grooves 412 are obliquely arranged, the bottom ends of the two first driving rods 51 are respectively located in the two first driving grooves 412, and the two first driving rods 51 are respectively in sliding fit with the two first driving grooves 412. The arc plate 42 is fixed on the lower surface of the first rotating plate 41, the chassis 1 is provided with an arc groove 11, the arc plate 42 penetrates through the arc groove 11, the length of the arc groove 11 is greater than that of the arc plate 42, and the arc plate 42 is in sliding fit with the arc groove 11. The arc-shaped groove 11 has a guiding effect on the arc-shaped plate 42, thereby increasing the stability of the rotation of the arc-shaped plate 42 and thus the stability of the rotation of the first rotary plate 41.
Referring to fig. 3 and 4, a rotary rod 45 is rotatably disposed in the chassis 1, a gear 44 is sleeved on the rotary rod 45 and fixedly connected with the rotary rod 45, an arc-shaped rack 43 is fixed on the arc-shaped plate 42, the arc-shaped rack 43 is disposed in the chassis 1, and the arc-shaped rack 43 and the gear 44 are meshed with each other. The first driving assembly 46 is disposed in the chassis 1, and the first driving assembly 46 is used for driving the rotating rod 45 to rotate. The first driving assembly 46 drives the rotating rod 45 to rotate, the rotating rod 45 drives the gear 44 to rotate, the gear 44 drives the arc-shaped rack 43 to rotate, the arc-shaped rack 43 drives the arc-shaped plate 42 to rotate in the arc-shaped groove 11, the arc-shaped plate 42 drives the first rotating plate 41 to rotate, the first rotating plate 41 drives the two first driving grooves 412 to rotate, and as the two first driving grooves 412 are obliquely arranged, the two first driving rods 51 are respectively in sliding fit with the two first driving grooves 412, and simultaneously the two first driving rods 51 are respectively in sliding fit with the two first waist-shaped holes 24, the second rotating plate 61 drives the two first driving rods 51 to slide in the direction of approaching or separating from each other in the rotating process, and the two first driving rods 51 respectively drive the two first clamping blocks 5 to slide in the direction of approaching or separating from each other, so that automatic adjustment of the distance between the two first clamping blocks 5 is facilitated, and dies with different sizes are conveniently clamped; meanwhile, as the center of the first rotary plate 41 is provided with the first threading hole 411 for the injection mold to pass through, the first rotary plate 41 can not contact with the injection mold in the rotating process, and the injection mold and the first rotary plate 41 are protected; meanwhile, as the rotary rod 45 is rotatably arranged in the case 1, the gear 44 is sleeved on the rotary rod 45 and is fixedly connected with the rotary rod 45, and therefore, the gear 44 and the arc-shaped rack 43 are both positioned in the case 1, and the overall aesthetic property and safety of the positioning clamp are improved.
Referring to fig. 3, specifically, the first driving assembly 46 includes a first support 461, a worm gear 462, a worm 463 and a motor 464, the first support 461 is fixed in the chassis 1, both ends of the worm 463 are rotatably connected with the first support 461, the motor 464 is fixed on the first support 461, and an output shaft of the motor 464 is fixedly connected with an end portion of the worm 463. The worm gear 462 is sleeved on the rotating rod 45 and fixedly connected with the rotating rod 45, and the worm gear 462 is meshed with the worm 463. Through motor 464 drive worm 463 rotation, worm 463 drives worm wheel 462 rotation, and worm wheel 462 drives rotary rod 45 rotation to be convenient for realize the distance between two first grip blocks 5 of automatic regulation, not only reduced staff's intensity of labour, also promoted holistic work efficiency simultaneously. Meanwhile, as the worm 463 of the worm gear 462 has a self-locking function, after the injection mold is clamped firmly by the two first clamping blocks 5, the driving action of the motor 464 on the worm 463 is stopped, and the two first clamping blocks 5 cannot slide under the action of other external forces, so that the firmness of clamping the injection mold by the two first clamping blocks 5 is improved.
With continued reference to fig. 3, the first support 461 is provided with a first adjustment hole 465, and the length direction of the first adjustment hole 465 is perpendicular to the length direction of the worm 463. A bolt is arranged in the first adjusting hole 465 in a penetrating way and is in threaded fit with the case 1. The nuts of the bolts and the case 1 have clamping effect on the first support 461, so that the first support 461 is fixed inside the case 1, and convenience for workers to install and detach the first support 461 is improved; meanwhile, since the length direction of the first adjustment hole 465 is perpendicular to the length direction of the worm 463, a worker can easily adjust the positions of the worm 463 and the motor 464 toward or away from the worm wheel 462, thereby easily securing the worm wheel 462 and the worm 463 to each other.
Referring to fig. 1 and 3, an access door 12 is rotatably provided on the cabinet 1, so that a worker can easily access the first driving mechanism 4 in the cabinet 1.
Referring to fig. 1 and 4, the second clamping device includes a second driving mechanism 6 and two second clamping blocks 7, two second sliding grooves 23 are formed in the positioning plate 2, and the two second sliding grooves 23 are symmetrically distributed on the other two opposite inner side walls of the positioning groove 21. The two second clamping blocks 7 are respectively in sliding fit with the two second sliding grooves 23, and the second driving mechanism 6 is used for driving the two second clamping blocks 7 to slide towards the directions approaching to each other or away from each other. The two second clamping blocks 7 are driven to face directions close to each other through the second driving mechanism 6, so that the two second clamping blocks 7 respectively clamp two ends of the width direction of the injection mold, the injection mold with different sizes is clamped and fixed conveniently, and meanwhile the firmness of clamping the mold by the positioning clamp is improved. The second sliding groove 23 has a guiding effect on the second clamping block 7, so that the sliding stability of the second clamping block 7 is improved.
Referring to fig. 1 and 5, the second driving mechanism 6 includes a second rotation plate 61, a linkage block 62, a rotator 63, a cylinder 64, a second support 65, and a support 66. Referring to fig. 4, a second threading hole 611 through which the injection mold passes is formed in the second rotating plate 61, the second rotating plate 61 is rotatably disposed between the two mounting blocks 31, the upper surface of the second rotating plate 61 abuts against the lower surface of the top limiting block 32, the lower surface of the second rotating plate 61 abuts against the upper surface of the positioning plate 2, and meanwhile, the outer cambered surface of the second rotating plate 61 abuts against the inner cambered surface of the mounting block 31, so that the rotation stability of the second rotating plate 61 is increased. The upper surfaces of the two second clamping blocks 7 are fixedly provided with second driving rods 71, two second waist-shaped holes 25 are formed in the positioning plate 2, and the two second driving rods 71 are respectively in sliding fit with the two second waist-shaped holes 25. Two second driving grooves 612 are formed in the second rotating plate 61, the two second driving grooves 612 are obliquely arranged, the top ends of the two second driving rods 71 are respectively located in the two second driving grooves 612, and the two second driving rods 71 are respectively in sliding fit with the two second driving grooves 612. The linkage block 62 is fixed to the second rotation plate 61, and the rotation member 63 is rotatably connected to the linkage block 62. The supporting seat 66 is fixed on the chassis 1, and the second supporting seat 65 is fixed on the supporting seat 66. The cylinder 64 is rotatably connected with the second support 65, and a piston rod of the cylinder 64 is fixedly connected with the rotating member 63. Because the second support 65 is fixed on the supporting seat 66, the air cylinder 64 is rotationally connected with the second support 65, the piston rod of the air cylinder 64 is rotationally connected with the rotating member, and the rotating member 63 is rotationally connected with the linkage block 62; therefore, when the cylinder 64 drives the piston rod to stretch out and draw back, the piston rod drives the linkage block 62 to rotate, and the linkage block 62 simultaneously drives the two second driving grooves 612 to rotate, because the two second driving rods 71 are respectively in sliding fit with the two second driving grooves 612, and the two second driving rods 71 are respectively in sliding fit with the two second waist-shaped holes 25, the second rotating plate 61 drives the two second driving rods 71 to slide towards the directions close to or far away from each other in the rotating process, and the two second driving rods 71 respectively drive the two second clamping blocks 7 to slide towards the directions close to or far away from each other, so that the clamping of injection molds with different sizes is facilitated. Meanwhile, since the second penetrating hole 611 through which the injection mold passes is formed in the center of the second rotating plate 61, the second rotating plate 61 will not contact with the injection mold during the rotation process, and both the injection mold and the second rotating plate 61 are protected.
Referring to fig. 5, the support base 66 is provided with a second adjustment hole 661, and the second adjustment hole 661 extends in the horizontal direction. A bolt is penetrated in the second adjusting hole 661 and is in threaded fit with the chassis 1. The nuts of the bolts and the case 1 have clamping action on the supporting seat 66, so that convenience for workers to install and detach the supporting seat 66 is improved. Meanwhile, since the second adjustment hole 661 extends in the horizontal direction, a worker can easily remove the fixing of the support 66 by the bolt and then easily adjust the distance between the support 66 and the second rotating plate 61 according to the stroke of the piston rod of the cylinder 64.
With continued reference to fig. 5, the second support 65 is provided with two third adjustment holes 651, and both of the third adjustment holes 651 extend in a vertical direction. Each third adjusting hole 651 is internally provided with a bolt in a penetrating manner, and each bolt is in threaded fit with the supporting seat 66. The bolts and the supporting seats 66 have clamping effect on the second support 65, so that convenience for workers to install and detach the second support 65 is improved. Meanwhile, the third adjusting hole 651 extends in the vertical direction, so that a worker can adjust the position of the second support 65 in the vertical direction, and the two ends of the cylinder 64 can be at the same height.
The implementation principle of the embodiment is as follows: when the mold needs to be clamped, firstly, the mold is conveyed into the positioning groove 21 of the positioning plate 2; then, the worm 463 is driven to rotate by the motor 464, the worm 463 drives the worm gear 462 to rotate, the worm gear 462 drives the rotary rod 45 to rotate, the rotary rod 45 drives the gear 44 to rotate, the gear 44 drives the arc-shaped rack 43 to rotate, the arc-shaped rack 43 drives the arc-shaped plate 42 to rotate, the arc-shaped plate 42 drives the first rotary plate 41 to rotate, the first rotary plate 41 drives the two first driving grooves 412 to rotate, and accordingly the two first clamping blocks 5 are driven to slide towards directions close to each other, and two ends of the injection mold in the length direction are respectively clamped by the two first clamping blocks 5; then through cylinder 64 drive rotation piece 63 motion, rotation piece 63 drives linkage piece 62 rotation, and linkage piece 62 drives second rotor plate 61 rotation, and second rotor plate 61 drives two second drive grooves 612 rotation to drive two second grip blocks 7 and be close to the direction each other, so that two second grip blocks 7 centre gripping injection mold width direction's both ends respectively, not only be convenient for realize carrying out the centre gripping fixed to not unidimensional injection mold, increased the fastness of positioning fixture centre gripping mould simultaneously.
The above embodiments are not intended to limit the scope of the present application, so: all equivalent changes in structure, shape and principle of the application should be covered in the scope of protection of the application.
Claims (10)
1. A positioning fixture for processing injection mold, its characterized in that: the device comprises a case (1), wherein the case (1) is sequentially provided with:
the mounting frame comprises a positioning plate (2) and a plurality of mounting seats (3), wherein the mounting seats (3) are fixed on the chassis (1), the positioning plate (2) is fixed between the mounting seats (3), and a positioning groove (21) for positioning an injection mold is formed in the upper surface of the positioning plate (2);
the first clamping device is used for clamping the length direction of the injection mold and comprises a first driving mechanism (4) and two first clamping blocks (5); two first sliding grooves (22) are formed in the positioning plate (2), and the two first sliding grooves (22) are symmetrically distributed on two opposite inner side walls of the positioning groove (21); the two first clamping blocks (5) are respectively in sliding fit with the two first sliding grooves (22), and the first driving mechanism (4) is used for driving the two first clamping blocks (5) to slide towards the directions approaching to or separating from each other;
the second clamping device is used for clamping the width direction of the injection mold and comprises a second driving mechanism (6) and two second clamping blocks (7); two second sliding grooves (23) are formed in the positioning plate (2), and the two second sliding grooves (23) are symmetrically distributed on the other two opposite inner side walls of the positioning groove (21); the two second clamping blocks (7) are respectively matched with the two second sliding grooves (23) in a sliding mode, and the second driving mechanism (6) is used for driving the two second clamping blocks (7) to slide towards the directions approaching to each other or away from each other.
2. A positioning fixture for processing an injection mold according to claim 1, wherein: the first driving mechanism (4) comprises a first rotating plate (41), an arc-shaped plate (42), an arc-shaped rack (43), a gear (44), a rotating rod (45) and a first driving assembly (46); a first threading hole (411) for an injection mold to pass through is formed in the center of the first rotating plate (41), the first rotating plate (41) is rotatably arranged between the two mounting seats (3), the upper surface of the first rotating plate (41) is abutted to the lower surface of the positioning plate (2), and the lower surface of the first rotating plate (41) is abutted to the upper surface of the chassis (1); the lower surfaces of the two first clamping blocks (5) are fixedly provided with first driving rods (51), the positioning plate (2) is provided with two first waist-shaped holes (24), and the two first driving rods (51) are respectively in sliding fit with the two first waist-shaped holes (24); two first driving grooves (412) are formed in the first rotating plate (41), the two first driving grooves (412) are obliquely arranged, the bottom ends of the two first driving rods (51) are respectively located in the two first driving grooves (412), and the two first driving rods (51) are respectively in sliding fit with the two first driving grooves (412); the arc-shaped plate (42) is fixed on the lower surface of the first rotating plate (41), an arc-shaped groove (11) is formed in the case (1), the arc-shaped plate (42) penetrates through the arc-shaped groove (11), and the arc-shaped plate (42) is in sliding fit with the arc-shaped groove (11); the rotary rod (45) is rotatably arranged in the case (1), the gear (44) is sleeved on the rotary rod (45) and fixedly connected with the rotary rod (45), the arc-shaped rack (43) is fixed on the arc-shaped plate (42), the arc-shaped rack (43) is positioned in the case (1), and the arc-shaped rack (43) is meshed with the gear (44); the first driving component (46) is arranged in the case (1), and the first driving component (46) is used for driving the rotating rod (45) to rotate.
3. A positioning fixture for processing an injection mold according to claim 2, wherein: the first driving assembly (46) comprises a first support (461), a worm wheel (462), a worm (463) and a motor (464), wherein the first support (461) is fixed in the chassis (1), two ends of the worm (463) are both in rotary connection with the first support (461), the motor (464) is fixed on the first support (461), and an output shaft of the motor (464) is fixedly connected with the end part of the worm (463); the worm wheel (462) is sleeved on the rotating rod (45) and fixedly connected with the rotating rod (45), and the worm wheel (462) is meshed with the worm (463).
4. A positioning fixture for processing an injection mold according to claim 3, wherein: a first adjusting hole (465) is formed in the first support seat (461), and the length direction of the first adjusting hole (465) is perpendicular to the length direction of the worm (463); a bolt is arranged in the first adjusting hole (465) in a penetrating mode, and the bolt is in threaded fit with the chassis (1).
5. A positioning fixture for processing an injection mold according to claim 2, wherein: the second driving mechanism (6) comprises a second rotating plate (61), a linkage block (62), a rotating piece (63), an air cylinder (64), a second support (65) and a supporting seat (66); a second threading hole (611) for the injection mold to pass through is formed in the second rotating plate (61), the second rotating plate (61) is rotatably arranged between the two mounting seats (3), the upper surface of the second rotating plate (61) is abutted to the lower surface of the mounting seat (3), and the lower surface of the second rotating plate (61) is abutted to the upper surface of the positioning plate (2); the upper surfaces of the two second clamping blocks (7) are fixedly provided with second driving rods (71), the positioning plate (2) is provided with two second waist-shaped holes (25), and the two second driving rods (71) are respectively in sliding fit with the two second waist-shaped holes (25); two second driving grooves (612) are formed in the second rotating plate (61), the two second driving grooves (612) are obliquely arranged, the top ends of the two second driving rods (71) are respectively located in the two second driving grooves (612), and the two second driving rods (71) are respectively in sliding fit with the two second driving grooves (612); the linkage block (62) is fixed on the second rotating plate (61), and the rotating piece (63) is rotationally connected with the linkage block (62); the supporting seat (66) is fixed on the chassis (1), and the second support (65) is fixed on the supporting seat (66); the cylinder (64) is rotationally connected with the second support (65), and a piston rod of the cylinder (64) is fixedly connected with the rotating piece (63).
6. A positioning fixture for processing an injection mold according to claim 5, wherein: a second adjusting hole (661) is formed in the supporting seat (66), and the second adjusting hole (661) extends along the horizontal direction; and a bolt is arranged in the second adjusting hole (661) in a penetrating way, and the bolt is in threaded fit with the chassis (1).
7. The positioning fixture for processing an injection mold according to claim 6, wherein: a third adjusting hole (651) is formed in the second support (65), and the third adjusting hole (651) extends in the vertical direction; and a bolt is arranged in the third adjusting hole (651) in a penetrating way, and the bolt is in threaded fit with the supporting seat (66).
8. A positioning fixture for processing an injection mold according to claim 5, wherein: the mounting seat (3) comprises a mounting block (31) and a top limiting block (32), the mounting block (31) is fixed on the chassis (1), and the top limiting block (32) is fixed at the top end of the mounting block (31); a plurality of plug-in blocks (26) are fixedly arranged on the positioning plate (2), the plug-in blocks (26) are in one-to-one correspondence with the mounting blocks (31), plug-in grooves (35) are formed in the mounting blocks (31), and the plug-in blocks (26) are in plug-in fit with the plug-in grooves (35); the upper surface of the second rotating plate (61) is abutted against the lower surface of the top limiting block (32).
9. The positioning fixture for processing an injection mold according to claim 8, wherein: the outer cambered surface of the first rotating plate (41) is abutted against the inner cambered surface of the mounting block (31), and the outer cambered surface of the second rotating plate (61) is abutted against the inner cambered surface of the mounting block (31).
10. The positioning fixture for processing an injection mold according to claim 8, wherein: a fixed block (33) is fixedly arranged on the outer side wall of the bottom end of the mounting block (31), a fourth adjusting hole (34) is formed in the fixed block (33), and the fourth adjusting hole (34) extends along the horizontal direction; a bolt is arranged in the fourth adjusting hole (34) in a penetrating mode, and the bolt is in threaded fit with the chassis (1).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311065438.3A CN117102912B (en) | 2023-08-23 | 2023-08-23 | Positioning clamp for processing injection mold |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202311065438.3A CN117102912B (en) | 2023-08-23 | 2023-08-23 | Positioning clamp for processing injection mold |
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| CN117102912A true CN117102912A (en) | 2023-11-24 |
| CN117102912B CN117102912B (en) | 2024-05-24 |
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| CN202311065438.3A Active CN117102912B (en) | 2023-08-23 | 2023-08-23 | Positioning clamp for processing injection mold |
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