CN105058716A - Shearer used for injection molding machine and use method of shearer - Google Patents
Shearer used for injection molding machine and use method of shearer Download PDFInfo
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- CN105058716A CN105058716A CN201510447631.2A CN201510447631A CN105058716A CN 105058716 A CN105058716 A CN 105058716A CN 201510447631 A CN201510447631 A CN 201510447631A CN 105058716 A CN105058716 A CN 105058716A
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- shear blade
- screw
- holder
- fixed
- shear
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/38—Cutting-off equipment for sprues or ingates
- B29C45/382—Cutting-off equipment for sprues or ingates disposed outside the mould
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- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Scissors And Nippers (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
A shearer used for an injection molding machine comprises a machine frame, a support (1) and a shear mechanism (2). One end of a lead screw (3) is connected to a vertical plate (5) in a rotating manner, and the other end of the lead screw (3) is connected to a connection block (6) in a rotating manner. A stepping motor (4) is fixed to the connection block (6). An output shaft of the stepping motor (4) is connected with the lead screw (3). A nut (7) is arranged on the lead screw (3). One side of a fixed base (9) is connected with the shear mechanism (2). A use method of the shearer used for the injection molding machine includes the following steps that the shear mechanism moves to a set position; the stepping motor then continues to work so that the shear mechanism can move towards a product blank by 0.5-3 mm and then stop; a drive assembly then drives shear pieces to work and cut off outlet residues on the product blank; and finally reset is conducted. Compared with the prior art, the shearer has the beneficial effects of being simple in structure, high in universality and capable of effectively reducing cost of products.
Description
Technical field
The present invention relates to a kind of injection machine scissor machine and using method thereof.
Background technology
At present, the residual fraction of injecting products delivery port, a part is by workman's manually excision, although the quality that delivery port wipes out rear product is higher, operating efficiency is lower, and cost of labor is higher, causes product cost higher; A part directly arranges cutout on mould, wipes out while die sinking ejects, although efficiency is higher, cost of labor is lower, and mould structure is more complicated, and safeguard and comparatively bother, the cost of mould also significantly increases, and product cost declines not obvious; Some shears frock by independent delivery port, although efficiency is relatively high, cost of labor is low, but the mouth of a river of prior art is sheared frock and is all designed for specific products, cannot be general with other products, cause frock use cost higher, then product cost is still relatively high.
Summary of the invention
The present invention is directed to the injection machine scissor machine that above problem provides that a kind of structure is simple, versatility is comparatively strong and effectively can reduce the cost of product.
The present invention overcomes the above problems technical scheme used: provide a kind of injection machine scissor machine with following structure, it comprises frame, support and shear mechanism, described support is fixed in frame, described support is provided with leading screw and stepper motor, the two ends of described support are respectively equipped with riser and contiguous block, described leading screw one end is rotatably connected on riser, the leading screw other end is rotatably connected on contiguous block, and stepper motor is fixed on contiguous block, the output shaft of stepper motor is connected with leading screw; Described leading screw is provided with screw, described support is provided with the gathering sill to screw guiding, gathering sill extends along the length direction of leading screw, the lower end of screw is positioned at gathering sill, the upper end of described screw is provided with holder, the side of described holder is connected with shear mechanism, and the opposite side of holder is provided with lead, and described frame is provided with the fairlead coordinated with lead.
As improvement, described shear mechanism comprises Connection Block, driven unit and a pair shear blade, a pair described shear blade is connected on Connection Block by jointed shaft, the volume of described holder upper end is greater than the volume of holder lower end, described Connection Block is fixed on the upper end of holder, driven unit is fixed on the lower end of holder, and described driven unit is connected with a pair shear blade, and a pair described shear blade plane and driven unit are oppositely arranged; Then the shear mechanism parts of this structure are less, and structure is comparatively simple, and be convenient to worker assembles and follow-up maintaining, preparation cost is also relatively low, and the stability used is also better; And the structure that holder is up big and down small, this can eliminate the setting height(from bottom) of driven unit, then can reduce the volume of Connection Block, makes workman can pick up or take off Connection Block easily, and then improves installation and maintenance efficiency.
As further improvement, described driven unit is cylinder, and cylinder is provided with two piston rods, and two described piston rods are connected with a pair shear blade respectively; Then cylinder can share source of the gas with other pneumatic equipment in factory, to reduce the use cost of equipment after arranging; And two piston rods reduce the parts reducing shear mechanism, make shear mechanism structure more simple, stability in use and the reliability of shear mechanism also improve further.
As improving further again, a pair described shear blade lower end is equipped with inclined hole, two described piston rods are respectively equipped with the traveller corresponding with respective shear blade inclined hole, described traveller and inclined hole are slidably connected, the axis of traveller and the axes normal of piston rod, and the length of traveller is greater than the thickness of shear blade; The position of described piston rod between shear blade and holder; After then arranging like this, during installation, inclined hole is aimed at traveller to be inserted in, fixed connecting base subsequently, and when dismantling, only need Connection Block to unclamp and shear mechanism entirety can be taken down, therefore workman is installed and the efficiency safeguarded better, improve work task efficiency further thus by the production cost of equipment.
As improving further again, described jointed shaft place is socketed with for the hinged axle sleeve of a pair shear blade, and jointed shaft is provided with spring and the spacing catch to spring retainer away from one end of Connection Block, described spring one end and axle sleeve support and close, and the spring other end and spacing catch are to closing; After then arranging like this, after shear mechanism continues to move a segment distance to product blank, shear blade and product blank are supported and are closed, and make camber of spring, and under the effect of the restoring force of spring after deformation, it is more accurate that shear blade and product blank are fitted, in the engineering that shear blade is sheared, shear blade is always against product edge, then after shearing, to remain corresponding part better with the other parts planarization of product edge for delivery port, and then make the fineness of Total Product better, improve the quality of product.
As improving further, described Connection Block is provided with open slot again, and a pair described shear blade is positioned at open slot, and the degree of depth of open slot is greater than the thickness of a pair shear blade; Then can save the raw material of Connection Block so further, except cutting edge, all the other all do not leak outside shear blade outside simultaneously, and then reliability and the operating efficiency of shear blade action can be ensured, other article also can be prevented the impact of shear mechanism, make dependability of the present invention higher.
As improving further, described screw is square structure again, and described gathering sill is square groove, and described screw and the screw thread of leading screw are triangle thread; The then screw of square structure, makes screw be connected stability more with holder, is also easier to processing, and stability time mobile is also better; And after triangle thread arranges, by the auto-lock function of triangle thread, after making leading screw that screw is moved to predeterminated position, not easily there is the situation of movement in screw under the effect of other external force, and then the accuracy making shear mechanism wipe out is higher, it is more smooth that delivery port wipes out rear surface.
As further improving, described contiguous block is divided into substrate, gripper shoe and fixed head, described substrate is fixed on holder, described gripper shoe and fixed head are separately fixed at the two ends of substrate, and gripper shoe, to be parallel to each other between fixed head and riser, described stepper motor is fixed on fixed head, and the described screw mandrel other end is crossed gripper shoe and is connected with the output shaft of stepper motor, is provided with joint pin and is connected between the upper end of described gripper shoe and the upper end of fixed head; After then arranging like this, the stability of screw turns is better, and leading screw is not yielding under the effect of gripper shoe yet, synchronous motor is fixed on after on fixed head, less on the impact of leading screw, and the installation of synchronous motor output shaft and screw mandrel is convenient in the space between gripper shoe and fixed head, is also convenient to add lubricating oil to leading screw, also can reduces the preparation cost of contiguous block.
The using method of the injection machine scissor machine described in a kind of claim 1 ~ 9, it comprises the following steps: when product blank takes out by manipulator, and when being placed into scissor machine workspace, driving stepper motor leading screw, shear mechanism is made to move to setting position, now shear blade and product blank are fitted, stepper motor works on and shear mechanism is stopped after product blank direction motion 0.5 ~ 3mm again subsequently, then driven unit drives shear blade work scissor to remain except the outlet on product blank, finally resets.
After adopting above structure and method, compared with prior art, the present invention is owing to adopting independent shear mechanism, less to the shape need of product, be applicable to dissimilar product, the scope of application is wider, versatility is comparatively strong, significantly can reduce the use cost of equipment, thus reduces the cost of product; And after shear mechanism and product blank are fitted, shear mechanism stops after the line of production moves 0.5 ~ 3mm again, and then start shear mechanism and wipe out delivery port, after wiping out like this, delivery port is residual relatively less, makes the flatness of original delivery port position and surrounding higher, the tidiness of Total Product is also better, quality is better, and human eye does not examine, and generally not easily observes the residual place of delivery port position.Therefore the present invention has, and structure is simple, versatility is comparatively strong and effectively can reduce the feature of the cost of product.
Accompanying drawing explanation
Fig. 1 is the structural representation of injection machine scissor machine of the present invention.
Fig. 2 is the side view of injection machine scissor machine of the present invention.
Fig. 3 is the structural representation of injection machine scissor machine shear mechanism hinged place of the present invention.
Fig. 4 is the structural representation of injection machine scissor machine shear mechanism shear blade lower end of the present invention.
As shown in the figure: 1, support, 2, shear mechanism, 3, leading screw, 4, stepper motor, 5, riser, 6, contiguous block, 6.1, substrate, 6.2, gripper shoe, 6.3, connecting plate, 6.4, joint pin, 7, screw, 8, gathering sill, 9, holder, 10, lead, 11, Connection Block, 12, driven unit, 13, shear blade, 14, jointed shaft, 15, inclined hole, 16, traveller, 17, axle sleeve, 18, spring, 19, spacing catch, 20, open slot.
Detailed description of the invention
Below in conjunction with the drawings and specific embodiments, the present invention is described further.
As shown in Figure 1, Figure 2, shown in Fig. 3 and Fig. 4, a kind of injection machine scissor machine, it comprises frame, support 1 and shear mechanism 2, and (it also comprises other parts, but owing to not relating to the inventive point of the invention, therefore does not repeat them here; Attached not shown frame simultaneously), described support 1 is fixed in frame, described support 1 is provided with leading screw 3 and stepper motor 4, the two ends of described support 1 are respectively equipped with riser 5 and contiguous block 6, described leading screw 3 one end is rotatably connected on riser 5, leading screw 3 other end is rotatably connected on contiguous block 6, and stepper motor 4 is fixed on contiguous block 6, and the output shaft of stepper motor 4 is connected with leading screw 3; Described leading screw 3 is provided with screw 7, described support 1 is provided with the gathering sill 8 led to screw 7, gathering sill 8 extends along the length direction of leading screw 3, the lower end of screw 7 is positioned at gathering sill 8, the upper end of described screw 7 is provided with holder 9, the side of described holder 9 is connected with shear mechanism 2, and the opposite side of holder 9 is provided with lead 10, and described frame is provided with the fairlead coordinated with lead 10.Stepper motor 4 is all connected with controller with shear mechanism.
Described shear mechanism 2 comprises Connection Block 11, driven unit 12 and a pair shear blade 13, described a pair shear blade 13 is connected on Connection Block 11 by jointed shaft 14, the volume of described holder 9 upper end is greater than the volume of holder 9 lower end, described Connection Block 11 is fixed on the upper end of holder 9, driven unit 12 is fixed on the lower end of holder 9, described driven unit 12 is connected with a pair shear blade 13, and described a pair shear blade 13 plane and driven unit 12 are oppositely arranged.
Described driven unit 12 is cylinder, and cylinder is provided with two piston rods, and two described piston rods are connected with a pair shear blade 13 respectively; Generally in order to the stability of two piston rods, limiting plate is provided with at the free end of two piston rods, mutually spacing for the free end to two piston rods, prevent in the free end of use procedure two piston rods situation close to each other or separated, thus ensure the shear efficiency of a pair shear blade 13.
Described a pair shear blade 13 lower end is equipped with inclined hole 15, two described piston rods are respectively equipped with the traveller 16 corresponding with the inclined hole 15 of respective shear blade 13, described traveller 16 is slidably connected with inclined hole 15, the axis of traveller 16 and the axes normal of piston rod, and the length of traveller 16 is greater than the thickness of shear blade 13; For increasing the flexibility that traveller 16 slides, traveller 16 is arranged with sliding roller or bearing, and traveller 16 is slidably connected with inclined hole 15 by sliding roller or bearing (being generally sliding roller).
The position of described piston rod between shear blade 13 and holder 9.
Described jointed shaft 14 place is socketed with for the hinged axle sleeve 17 of a pair shear blade 13, and jointed shaft 14 is provided with spring 18 and the spacing catch 19 spacing to spring 18 away from one end of Connection Block 11, described spring 18 one end and axle sleeve 17 support and close, and spring 18 other end and spacing catch 19 support and close; Jointed shaft 14 and spacing catch 19 are integral type structure, and general jointed shaft 14 and spacing catch 19 adopt bolt to substitute, the screw rod of the corresponding bolt of jointed shaft 14, and the head of the corresponding bolt of spacing catch 19; The thickness of position, general shear blade 13 hinged place is comparatively large, and this hinged place is provided with stepped hole, and stepped hole macropore is positioned at the position away from Connection Block 11, and axle sleeve 17 is arranged in the aperture of stepped hole, and spring 18 one end is arranged in the macropore of stepped hole.
Described Connection Block 11 is provided with open slot 20, and described a pair shear blade 13 is positioned at open slot 20, and the degree of depth of open slot 20 is greater than the thickness of a pair shear blade 13; Owing to being up big and down small holder 9, cylinder is fixed on the lower end of holder 9, then the thickness effect of cylinder baffle can be eliminated in holder 9 upper end, make the gap of piston rod and holder 9 upper end relatively little, holder 9 upper end to piston rod have a support, spacing and guiding effect, traveller 16 on piston rod in use can not be thrown off from inclined hole 15, and open slot 20 makes Connection Block 11 more near holder 9, and then significantly can reduce the volume of shear mechanism 2 entirety, and the reliability that shear mechanism 2 works is better again.
Described screw 7 is square structure, and described gathering sill 8 is square groove, and described screw 7 is triangle thread with the screw thread of leading screw 3.
Described contiguous block 6 is divided into substrate 6.1, gripper shoe 6.2 and fixed head 6.3, described substrate 6.1 is fixed on holder 9, described gripper shoe 6.2 and fixed head 6.3 are separately fixed at the two ends of substrate 6.1, and gripper shoe 6.2, be parallel to each other between fixed head 6.3 and riser 5, gripper shoe 6.2 is between fixed head 6.3 and riser 5, described stepper motor 4 is fixed on fixed head 6.3, gripper shoe 6.2 is provided with the through hole passed for screw mandrel 3, and fixed head 6.3 is provided with the through hole passed for stepper motor 4 output shaft, described screw mandrel 3 other end is crossed gripper shoe 6.2 and is connected with the output shaft of stepper motor 4, be provided with joint pin 6.4 between the upper end of described gripper shoe 6.2 and the upper end of fixed head 6.3 to be connected.
A kind of using method of injection machine scissor machine, it comprises the following steps: when product blank takes out by manipulator, and when being placed into scissor machine workspace, induction mechanism feedback signal, controller control step motor 4 drives leading screw 3 to rotate, shear mechanism 2 is made to move to setting position, this setting position refers to the position that shear blade 13 is just fitted with product blank, now shear blade 13 and product blank are fitted, subsequently stepper motor 4 work on make shear mechanism 2 again to product blank direction motion 0.5 ~ 3mm (this example be 1mm, also can be 0.5mm, 1.5mm, 2mm or 3mm etc., generally arrange according to the fineness of product surface requirement and the hardness of raw material self) stop afterwards, then the delivery port that driven unit 12 drives shear blade 13 work scissor to remove on product blank remains, finally reset.
Above example is only preferred embodiment of the present invention, the present invention is not limited only to above embodiment and has also allowed other structure to change, and allly changes in rights to independence claimed range of the present invention, all belongs to scope.
Claims (10)
1. an injection machine scissor machine, it comprises frame, support (1) and shear mechanism (2), it is characterized in that: described support (1) is fixed in frame, described support (1) is provided with leading screw (3) and stepper motor (4), the two ends of described support (1) are respectively equipped with riser (5) and contiguous block (6), described leading screw (3) one end is rotatably connected on riser (5), leading screw (3) other end is rotatably connected on contiguous block (6), and stepper motor (4) is fixed on contiguous block (6), the output shaft of stepper motor (4) is connected with leading screw (3), described leading screw (3) is provided with screw (7), described support (1) is provided with the gathering sill (8) led to screw (7), gathering sill (8) extends along the length direction of leading screw (3), the lower end of screw (7) is positioned at gathering sill (8), the upper end of described screw (7) is provided with holder (9), the side of described holder (9) is connected with shear mechanism (2), the opposite side of holder (9) is provided with lead (10), described frame is provided with the fairlead coordinated with lead (10).
2. injection machine scissor machine according to claim 1, it is characterized in that: described shear mechanism (2) comprises Connection Block (11), driven unit (12) and a pair shear blade (13), described a pair shear blade (13) is connected on Connection Block (11) by jointed shaft (14), the volume of described holder (9) upper end is greater than the volume of holder (9) lower end, described Connection Block (11) is fixed on the upper end of holder (9), driven unit (12) is fixed on the lower end of holder (9), described driven unit (12) is connected with a pair shear blade (13), described a pair shear blade (13) plane and driven unit (12) are oppositely arranged.
3. injection machine scissor machine according to claim 2, is characterized in that: described driven unit (12) is cylinder, and cylinder is provided with two piston rods, and two described piston rods are connected with a pair shear blade (13) respectively.
4. injection machine scissor machine according to claim 3, it is characterized in that: described a pair shear blade (13) lower end is equipped with inclined hole (15), two described piston rods are respectively equipped with the traveller (16) corresponding with the inclined hole of respective shear blade (13) (15), described traveller (16) and inclined hole (15) are slidably connected, the axis of traveller (16) and the axes normal of piston rod, and the length of traveller (16) is greater than the thickness of shear blade (13).
5. injection machine scissor machine according to claim 4, is characterized in that: described piston rod is positioned at the position between shear blade (13) and holder (9).
6. injection machine scissor machine according to claim 2, it is characterized in that: described jointed shaft (14) place is socketed with for the hinged axle sleeve (17) of a pair shear blade (13), and jointed shaft (14) is provided with spring (18) and the spacing catch (19) spacing to spring (18) away from one end of Connection Block (11), described spring (18) one end and axle sleeve (17) support and close, and spring (18) other end and spacing catch (19) support and close.
7. injection machine scissor machine according to claim 6, it is characterized in that: described Connection Block (11) is provided with open slot (20), described a pair shear blade (13) is positioned at open slot (20), and the degree of depth of open slot (20) is greater than the thickness of a pair shear blade (13).
8. injection machine scissor machine according to claim 1, it is characterized in that: described screw (7) is square structure, described gathering sill (8) is square groove, and described screw (7) is triangle thread with the screw thread of leading screw (3).
9. injection machine scissor machine according to claim 1, it is characterized in that: described contiguous block (6) is divided into substrate (6.1), gripper shoe (6.2) and fixed head (6.3), described substrate (6.1) is fixed on holder (9), described gripper shoe (6.2) and fixed head (6.3) are separately fixed at the two ends of substrate (6.1), and gripper shoe (6.2), be parallel to each other between fixed head (6.3) and riser (5), described stepper motor (4) is fixed on fixed head (6.3), described screw mandrel (3) other end is crossed gripper shoe (6.2) and is connected with the output shaft of stepper motor (4), be provided with joint pin (6.4) between the upper end of described gripper shoe (6.2) and the upper end of fixed head (6.3) to be connected.
10. the using method of the injection machine scissor machine described in a claim 1 ~ 9, it is characterized in that: it comprises the following steps: when product blank takes out by manipulator, and when being placed into scissor machine workspace, stepper motor (4) drives leading screw (3), shear mechanism is made to move to setting position, now shear blade (13) and product blank are fitted, stepper motor (4) works on and shear mechanism is stopped after product blank direction motion 0.5 ~ 3mm again subsequently, then the delivery port that driven unit (12) drives shear blade (13) work scissor to remove on product blank remains, finally reset.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447631.2A CN105058716B (en) | 2015-07-28 | 2015-07-28 | Injection machine scissor machine and its application method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510447631.2A CN105058716B (en) | 2015-07-28 | 2015-07-28 | Injection machine scissor machine and its application method |
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| Publication Number | Publication Date |
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| CN105058716A true CN105058716A (en) | 2015-11-18 |
| CN105058716B CN105058716B (en) | 2018-02-16 |
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| CN201510447631.2A Active CN105058716B (en) | 2015-07-28 | 2015-07-28 | Injection machine scissor machine and its application method |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105762604A (en) * | 2016-04-20 | 2016-07-13 | 苏州鸿普精密模具有限公司 | Shearing assembly for extension socket wire binding machine |
| CN106079309A (en) * | 2016-06-27 | 2016-11-09 | 海天塑机集团有限公司 | A kind of PVC injection molding machine nozzle cutoff device |
| CN109702794A (en) * | 2019-03-13 | 2019-05-03 | 佛山市际巧自动化机械有限公司 | A kind of full-automatic degating machine |
| CN111823298A (en) * | 2020-06-10 | 2020-10-27 | 无锡双益精密机械有限公司 | Ear belt scissors of mask machine |
| CN114750377A (en) * | 2022-03-28 | 2022-07-15 | 贝隆精密科技股份有限公司 | Stub bar shearing mechanism on injection molding machine and shearing and taking device thereof |
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| CN204773400U (en) * | 2015-07-28 | 2015-11-18 | 宁波永成双海汽车部件股份有限公司 | Scissors machine for injection molding machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105762604A (en) * | 2016-04-20 | 2016-07-13 | 苏州鸿普精密模具有限公司 | Shearing assembly for extension socket wire binding machine |
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| CN111823298A (en) * | 2020-06-10 | 2020-10-27 | 无锡双益精密机械有限公司 | Ear belt scissors of mask machine |
| CN114750377A (en) * | 2022-03-28 | 2022-07-15 | 贝隆精密科技股份有限公司 | Stub bar shearing mechanism on injection molding machine and shearing and taking device thereof |
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|---|---|
| CN105058716B (en) | 2018-02-16 |
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