CN214111319U - Device is tailor at injection molding mouth of a river - Google Patents
Device is tailor at injection molding mouth of a river Download PDFInfo
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- CN214111319U CN214111319U CN202022198016.1U CN202022198016U CN214111319U CN 214111319 U CN214111319 U CN 214111319U CN 202022198016 U CN202022198016 U CN 202022198016U CN 214111319 U CN214111319 U CN 214111319U
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Abstract
The utility model provides a device is tailor at injection molding mouth of a river, including operation cabinet, cylinder and shearing mechanism, the cylinder of cylinder is fixed the inside of operation cabinet, the shearing mouth has been seted up on the cabinet top of operation cabinet, it is located to shear mechanism department, be equipped with control on the outer wall of operation cabinet the flexible control switch of piston rod of cylinder, the piston rod of cylinder passes through a link mechanism and connects shearing mechanism. The utility model discloses a main improvement point lies in link mechanism, and it changes the direction of shearing force and size, provides sufficient shearing force for the mouth of a river is cuted and is made the atress more even stable, satisfies the once shearing at the big specification mouth of a river, and mouth of a river shearing effect is more smooth-going, and the incision is levelly and smoothly bright and clean has guaranteed that the product is pleasing to the eye.
Description
Technical Field
The utility model relates to an injection molding processing equipment field, more specifically relates to a device is tailor at injection molding mouth of a river.
Background
The plastic product is widely applied in our lives, and when the plastic product is molded, a liquid channel is arranged in the injection molding machine for the liquid to flow into the mold for molding. After the liquid is solidified, the solid in the liquid channel forms water gaps, the water gaps are attached to the plastic products, the size deviation or the appearance change of the plastic products is caused, and therefore the water gaps need to be removed to obtain products with required sizes and appearances; at present, the water gap is cut by using scissors or a saw blade, and the opening degree and the cutting force of the scissors on the market at present can not meet the requirements; the method of sawing the water gap by the saw blade easily causes the appearance of the product to be damaged, and the appearance of the product is influenced.
In the current technical means, there is also a device for cutting the nozzle by driving a cutting device with a cylinder, for example, chinese patent CN204673955U discloses "a general full-automatic nozzle cutting machine"; its technical scheme is that the piston rod through pushing down the cylinder directly pushes down the clamp plate and drives shearing mechanism and accomplish the shearing, exists the shearing force not enough to the unstable problem of atress still goes out the mouth of a river unevenness after the shearing easily, appears the condition that shearing mechanism is crushed by the cylinder even, and the result of use is not good.
SUMMERY OF THE UTILITY MODEL
The utility model discloses an overcome above-mentioned background art piston rod lug connection through the cylinder drive shearing mechanism, the shearing force is not enough to the atress is unstable, still goes out the mouth of a river unevenness after cuting easily, appears the condition that shearing mechanism is crushed by the cylinder even, the not good defect of result of use provides an injection molding mouth of a river and tailors the device.
In order to solve the technical problem, the utility model discloses a technical scheme is: the utility model provides a device is tailor at injection molding mouth of a river, includes operation cabinet, cylinder and shears the mechanism, the cylinder of cylinder is fixed the inside of operation cabinet, the shearing mouth has been seted up at the cabinet top of operation cabinet, it is located to shear the cutting mouth department to shear the mechanism, be equipped with control on the outer wall of operation cabinet the flexible control switch of piston rod of cylinder, the piston rod of cylinder is connected through a link mechanism who has laborsaving lever structure shear the mechanism. Thus, the air cylinder comprises a cylinder barrel, a piston rod, an air inlet and an air outlet, the air inlet and the air outlet control the telescopic motion of the piston rod through an air channel, the control switch can control the opening and closing of the air channel so as to control the telescopic motion of the piston rod, and the action of the air cylinder belongs to the prior art and is not repeated; the cylinder barrel of the air cylinder is fixed on the side wall of the operation cabinet, a shearing opening is formed in the top of the operation cabinet and used for placing a water gap, a shearing mechanism capable of opening and closing the shearing water gap is arranged at the position of the shearing opening, the shearing mechanism is connected with the piston rod through a connecting rod mechanism, the force magnitude and the force direction are changed, and the connecting rod mechanism is generally arranged into a lever structure and can achieve a labor-saving effect; the utility model discloses a main improvement point lies in link mechanism, changes the direction and the size of shearing force, provides sufficient shearing force for the mouth of a river is cuted and is made the atress more even stable, satisfies the once shearing at the big specification mouth of a river, and mouth of a river shearing effect is more smooth-going, and the incision is level and smooth bright and clean has guaranteed that the product is pleasing to the eye.
Furthermore, the cylinder barrel of the cylinder is fixed on the inner side wall of the operation cabinet through a cylinder foot seat, the piston rod of the cylinder points to the top surface of the operation cabinet, the connecting rod mechanism comprises a first connecting rod, a second connecting rod and a fixed fulcrum, the head end of the first connection is hinged with the rod head of the piston rod of the cylinder, the tail end of the first connection is hinged with the fixed fulcrum, one end of the second connecting rod is hinged between the head end and the tail end of the first connecting rod, and the other end of the second connecting rod is hinged with the shearing mechanism; the first connecting rod and the second connecting rod are not on the same straight line. Thus, the piston rod of the cylinder is close to the upper surface and the lower surface which are perpendicular to the operation cabinet, the piston rod makes up-and-down telescopic motion, the first connecting rod is hinged on the rod head of the piston rod through the cylinder connecting piece, when the piston rod of the cylinder retracts, the first connecting rod and the piston rod are close to the same straight line, the second connecting rod and the first connecting rod are arranged at a certain included angle, when the piston rod of the cylinder retracts in an initial state, the second connecting rod is pulled back, the included angle between the second connecting rod and the top surface is increased, when the piston rod extends out, the second connecting rod is flattened, the included angle between the second connecting rod and the top surface is decreased and is closer to the top surface, when the piston rod drives the shearing mechanism to move, the force is not a force in a fixed direction but a force which is changed in an angle, so that a certain pressure can be generated between the blade and the tangent plane of the shearing mechanism, and the wood veneer can be cut like a carpenter, the force is applied at a certain angle with the operating surface; the second connecting rod is connected between the head and the tail of the first connecting rod, and the first connecting rod, the fixed support and the second connecting rod form a labor-saving lever structure, so that a larger shearing force can be provided when the water gap is sheared, the shearing force is more stable, and the shearing effect is smoother; and the motion range of the connecting rod is limited, and the shearing mechanism is not easily crushed by the motion of the cylinder.
Further, the shearing mechanism comprises a fixed blade and a movable blade matched with the fixed blade, the fixed blade is fixed on the edge of one side of the shearing opening, the shearing mechanism further comprises a sliding mechanism used for driving the movable blade to move back and forth in the shearing opening and matched with the fixed blade to complete shearing action, and the sliding mechanism is connected with the other end of the second connecting rod.
Further, slide mechanism include the slide rail and with the blade slip table that the slide rail cooperation was used, it fixes to move the blade the one end of blade slip table, the other end on the blade slip table with the second connecting rod is articulated, the slide rail sets up on the inner wall at sales counter top. The movable blade is fixed at one end of the top surface of the blade sliding table, and when the blade sliding table slides along the slide rail, the movable blade also moves along with the slide rail; when a piston rod of the air cylinder extends out, the second connecting rod generates a pushing force to the blade sliding table, so that the blade sliding table drives the movable blade to move towards the direction of the fixed blade, when the movable blade reaches the limit of the sliding rail, the cutting edge of the movable blade contacts the cutting edge of the fixed blade, a water gap shearing action can be completed once, after the shearing action is completed once, the control switch changes the air path of the air cylinder, the piston rod retracts to drive the connecting rod mechanism to move, and the second connecting rod generates a pulling force to the blade sliding table, so that the movable blade is reset to prepare for the next shearing action.
Furthermore, the two ends of the sliding rail are provided with limiting structures for preventing the blade sliding table from exceeding the stroke. Therefore, the limiting structure enables the movable blade not to be over-travel easily, the shearing structure cannot be crushed, and the blades are protected from excessive compression to cause damage to the blades.
Furthermore, the operation cabinet still wears to be equipped with the unloading hopper on the lateral wall that control switch is adjacent, the unloading hopper with the cylinder is located relative both sides wall respectively, the unloading hopper includes entrance point and exit end, the entrance point of unloading hopper is located in the operation cabinet and just right the shearing mouth, the exit end of unloading hopper is located the outside of operation cabinet. Like this, the unloading hopper is slope form, and the entrance point just lies in the just right below of sheared edge, and the mouth of a river waste material that cuts is direct to drop the entrance point of unloading hopper, receives the outside exit end of gravity action along the unloading hopper removal operation cabinet, so just can realize the collection of waste material.
Furthermore, an operation box is arranged at the top end of the outer wall of the operation cabinet adjacent to the discharging hopper, and the operation switch is arranged on the operation box. Like this, general hopper setting is in the left side wall, and the cylinder setting is in right side inner wall department, and the operation box setting is in the positive top of operation cabinet, for a convex structure of outer wall, and control switch sets up on the top surface of operation box, makes things convenient for the operation of operation personnel.
Furthermore, a cabinet door is arranged on the side wall of the operation cabinet. Like this, set up the cabinet door and can open the operation cabinet at any time, when needs overhaul or change interior parts, open the cabinet door and can go on.
Further, the cabinet door is arranged on a side wall of the operation cabinet opposite to the operation box. Like this, the operation box is located the front, and the cabinet door is located the back of operation cabinet, can not disturb each other to the setting is on the back lateral wall, and the cabinet door can set up bigger, and can make the outward appearance of whole device more pleasing to the eye.
Preferably, the operation cabinet is made of an aluminum alloy material. Like this, general operation cabinet is the cuboid structure, and its four side edges are made by the aluminium alloy, and each side is connected on the aluminium alloy by the face that the aluminium alloy was made, whole structure simple to operate, and the atress is stable, and life is longer.
Compared with the prior art, the beneficial effects are:
1. the utility model discloses a main improvement point lies in link mechanism, and the second connecting rod is connected between first connecting rod head and end, and first connecting rod, fixed fulcrum and second connecting rod constitute a laborsaving lever structure, and its direction and the size that changes the shearing force can provide bigger shearing force for the mouth of a river is cuted and is made the atress more evenly stable, satisfies the once shearing at the big specification mouth of a river, and mouth of a river shearing effect is more smooth-going, and the incision is level and smooth bright and clean has guaranteed that the product is pleasing to the eye.
2. When the connecting rod mechanism drives the shearing mechanism to move, the force is not a force in a fixed direction but a force with an angle change, so that a certain pressure is generated between a blade and a tangent plane of the shearing mechanism, and the force is at a certain angle with an operation plane as if a carpenter planes and cuts wood veneers; therefore, the shearing force is more stable when the water gap is sheared, and the shearing effect is smoother; and the motion range of the connecting rod is limited, and the shearing mechanism is not easily crushed by the motion of the cylinder.
Drawings
Fig. 1 is a schematic view of the internal structure of the present invention.
Fig. 2 is a schematic structural diagram of the exterior of the present invention.
Fig. 3 is a schematic structural view of the cylinder of the present invention when the piston rod retracts.
Fig. 4 is a schematic structural view of the cylinder of the present invention when the piston rod is extended.
Detailed Description
The drawings are for illustrative purposes only and are not to be construed as limiting the patent; for the purpose of better illustrating the embodiments, certain features of the drawings may be omitted, enlarged or reduced, and do not represent the size of an actual product; it will be understood by those skilled in the art that certain well-known structures in the drawings and descriptions thereof may be omitted. The positional relationships depicted in the drawings are for illustrative purposes only and are not to be construed as limiting the present patent.
As shown in fig. 1 to 4, the device for cutting the water gap of the injection molding part comprises an operation cabinet 1 made of an aluminum alloy material, a cylinder 3 and a shearing mechanism, wherein a cylinder 31 of the cylinder 3 is fixed on a fixing plate arranged on the inner side wall of the operation cabinet 1 through a cylinder foot base 2, a piston rod 32 of the cylinder 3 points to the top surface 11 of the operation cabinet 1, a shearing opening 15 is formed in the top surface 11 of the operation cabinet 1, the shearing mechanism is located at the shearing opening 15, a control switch 14 for controlling the piston rod 32 of the cylinder 3 to stretch and retract is arranged on the outer wall of the operation cabinet 1, and the piston rod 32 of the cylinder 3 is connected with the shearing mechanism through a connecting rod mechanism. An operation box 13 is arranged at the top end of the outer wall of the operation cabinet 1 adjacent to the blanking hopper 12, the operation switch is arranged on the operation box 13, and a cabinet door (not shown in the figure) is arranged on the side wall of the operation cabinet 1; the cabinet door is located on a side wall of the operation cabinet 1 opposite to the operation box 13.
In this embodiment, the link mechanism adopts a lever principle, and includes a first link 5, a second link 6 and a fixed fulcrum 20, the fixed fulcrum 20 is fixed on the inner wall of the top surface 11 of the operation cabinet 1, the head end of the first link 5 is hinged to the rod head of the piston rod 32 of the cylinder 3, the tail end is hinged to the fixed fulcrum 20, one end of the second link 6 is hinged between the head end and the tail end of the first link 5, the power arm is the distance from the head end of the first link 5 to the fixed fulcrum 20, and the resistance arm is the distance from the connection point of the second link 6 and the first link 5 to the fixed fulcrum 20, obviously, the length of the power arm is greater than that of the resistance arm, and is a labor-saving structure; the other end of the second connecting rod 6 is hinged with the shearing mechanism; the first connecting rod 5 and the second connecting rod 6 are not on the same straight line; the shearing mechanism comprises a fixed blade 10, a movable blade 8, a sliding rail 9 and a blade sliding table 7 matched with the sliding rail 9 for use, wherein the fixed blade 10 and the movable blade 8 are respectively arranged on two opposite sides of the shearing opening 15 and are matched with each other for use, the movable blade 8 is fixed at one end of the blade sliding table 7, the other end of the blade sliding table 7 is hinged with the second connecting rod 6, and the sliding rail 9 is arranged on the inner wall of the counter top; the operation cabinet 1 with still wear to be equipped with unloading hopper 12 on the lateral wall that control switch 14 is adjacent, unloading hopper 12 with cylinder 3 is located relative both sides wall respectively, unloading hopper 12 includes entrance point and exit end, the entrance point of unloading hopper 12 is located in the operation cabinet 1 and just right shear cut 15, the exit end of unloading hopper 12 is located the outside of operation cabinet 1.
The cylinder 3 comprises a cylinder barrel 31, a piston rod 32, an air inlet and an air outlet, the air inlet and the air outlet control the telescopic motion of the piston rod 32 through an air path, and the control switch 14 can control the opening and closing of the air path, so as to control the telescopic motion of the piston rod 32, and the action of the cylinder 3 belongs to the prior art, and is not described any more; fix the cylinder 31 of cylinder 3 on the lateral wall of operation cabinet 1, the incision 15 is seted up at the top of operation for place the mouth of a river, and the shearing mechanism that can open and shut the shearing mouth of a river is set up in incision 15 position, is connected through link mechanism between shearing mechanism and the piston rod 32, changes the size and the direction of power, and link mechanism generally sets to lever structure, can play laborsaving effect. The operation box 13 is located on the front side,
in the embodiment, the operation cabinet 1 is of a cuboid structure, four side edges 16 of the operation cabinet are made of aluminum profiles, and each side surface is a plate surface made of aluminum alloy and is connected to the aluminum profile, so that the whole structure is convenient to mount, stable in stress and longer in service life, the blanking hopper 12 is arranged on the left side wall of the operation cabinet 1, and the air cylinder 3 is arranged on the right side inner wall; the operation box 13 is arranged above the front surface of the operation cabinet 1 and is of a structure with a protruding outer wall, and the control switch 14 is arranged on the top surface 11 of the operation box 13, so that the operation of an operator is facilitated; the cabinet door is located the back of operation cabinet 1, can not disturb each other to set up on the back lateral wall, the cabinet door can set up bigger, and can make the outward appearance of whole device more pleasing to the eye. The operation cabinet 1 can be opened at any time by arranging the cabinet door, and when the internal accessories need to be overhauled or replaced, the operation can be carried out by opening the cabinet door; the piston rod 32 of the cylinder 3 is approximately perpendicular to the upper surface and the lower surface of the operation cabinet 1, the piston rod 32 performs up-and-down telescopic motion, the first connecting rod 5 is hinged to the rod head of the piston rod 32 through the connecting piece 4 of the cylinder 3, when the piston rod 32 of the cylinder 3 retracts, the first connecting rod and the piston rod 32 are approximately on the same straight line, the second connecting rod 6 and the first connecting rod 5 are arranged at a certain included angle, when the piston rod 32 of the cylinder 3 retracts in an initial state, the second connecting rod 6 is pulled back, at the moment, a larger included angle exists between the second connecting rod 6 and the top surface 11, when the piston rod 32 extends out, the second connecting rod 6 is flattened, at the moment, the included angle between the second connecting rod 6 and the top surface 11 is smaller and smaller, and is closer to the top surface 11; the sliding rail 9 and the fixed blade 10 are oppositely arranged, the sliding rail 9 is a limiting sliding rail 9, the blade sliding table 7 can be cut on the sliding rail 9 and cannot fall off, limiting structures for preventing the blade sliding table 7 from exceeding the range are arranged at two ends of the sliding rail 9, the movable blade 8 is fixed at one end of the top surface 11 of the blade sliding table 7, and when the blade sliding table 7 slides along the sliding rail 9, the movable blade 8 also moves; when a piston rod 32 of the air cylinder 3 extends out, the second connecting rod 6 generates a thrust force on the blade sliding table 7, so that the blade sliding table 7 drives the movable blade 8 to move towards the direction of the fixed blade 10, and when the movable blade reaches the limit of the sliding rail 9, the limit structure enables the movable blade 8 not to easily overrun, the shearing structure cannot be crushed, and the blades are protected from being damaged due to excessive compression; the cutting edge of the movable blade 8 contacts the cutting edge of the fixed blade 10, so that a water gap shearing action can be completed, the sheared water gap waste material directly falls to the inlet end of the blanking hopper 12 and moves to the outlet end outside the operation cabinet 1 along the blanking hopper 12 under the action of gravity, and the waste material can be collected; after one shearing action is finished, the control switch 14 changes the air path of the air cylinder 3, the piston rod 32 retracts to drive the connecting rod mechanism to move, and the second connecting rod 6 generates a pulling force to the blade sliding table 7, so that the movable blade 8 is reset to prepare for the next shearing action; when the second connecting rod 6 drives the shearing mechanism to move, the shearing mechanism is not a force in a fixed direction, but a force with an angle change, so that a certain pressure is generated between the blade of the shearing mechanism and the tangent plane, and the force is in a certain angle with the working plane just like a carpenter planing and cutting wood skin; therefore, the shearing force is more stable when the water gap is sheared, and the shearing effect is smoother; and the motion range of the connecting rod is limited, so that the shearing mechanism is not easily crushed by the motion of the cylinder 3.
The biggest improvement point of this embodiment lies in link mechanism, link mechanism's second connecting rod 6 is connected between 5 head and end of first connecting rod, first connecting rod 5, fixed fulcrum 20 constitutes a laborsaving lever structure with second connecting rod 6, its direction and the size of changing the shearing force, can provide bigger shearing force, make the mouth of a river cut the messenger atress more evenly stable, satisfy the once shearing at big specification mouth of a river, mouth of a river shearing effect is more smooth-going, the incision is levelly and smoothly bright and clean has guaranteed that the product is pleasing to the eye.
It is obvious that the above embodiments of the present invention are only examples for clearly illustrating the present invention, and are not limitations to the embodiments of the present invention. Other variations and modifications will be apparent to persons skilled in the art in light of the above description. And are neither required nor exhaustive of all embodiments. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the claims of the present invention.
Claims (10)
1. A water gap cutting device for injection molding parts comprises an operation cabinet, an air cylinder and a shearing mechanism, wherein the air cylinder is fixed inside the operation cabinet, a shearing opening is formed in the cabinet top of the operation cabinet, the shearing mechanism is located at the shearing opening, and a control switch capable of controlling the extension and retraction of a piston rod of the air cylinder is arranged on the outer wall of the operation cabinet; the shearing mechanism is characterized in that a piston rod of the air cylinder is connected with the shearing mechanism through a connecting rod mechanism.
2. The device for cutting the water gap of the injection molding part according to claim 1, wherein a cylinder barrel of the cylinder is fixed on the inner side wall of the operation cabinet through a cylinder foot seat, a piston rod of the cylinder points to the top surface of the operation cabinet, the link mechanism comprises a first link, a second link and a fixed fulcrum, the fixed fulcrum is fixed on the inner wall of the top surface of the operation cabinet, one end of the first link is hinged with a rod head of the piston rod of the cylinder, the other end of the first link is hinged with the fixed fulcrum, one end of the second link is hinged between two ends of the first link, and the other end of the second link is hinged with the shearing mechanism; the first connecting rod and the second connecting rod are not on the same straight line.
3. The device for cutting the water gap of the injection molding part according to claim 2, wherein the shearing mechanism comprises a fixed blade and a movable blade matched with the fixed blade, the fixed blade is fixed on the edge of one side of the shearing opening, the shearing mechanism further comprises a sliding mechanism for driving the movable blade to move back and forth in the shearing opening and matched with the fixed blade to complete shearing action, and the sliding mechanism is connected with the other end of the second connecting rod.
4. The device for cutting the water gap of the injection molding part according to claim 3, wherein the sliding mechanism comprises a sliding rail and a blade sliding table matched with the sliding rail, the movable blade is fixed at one end of the blade sliding table, the other end of the blade sliding table is hinged with the second connecting rod, and the sliding rail is arranged on the inner wall of the top of the operation cabinet.
5. The device for cutting the water gap of the injection molding part according to claim 4, wherein two ends of the sliding rail are provided with limiting structures for preventing the blade sliding table from exceeding the stroke.
6. The device for cutting the nozzle of the injection molding piece according to claim 2, wherein a blanking hopper is further arranged on the side wall of the operation cabinet adjacent to the control switch in a penetrating manner, the blanking hopper and the air cylinder are respectively arranged on two opposite side walls of the operation cabinet, the blanking hopper comprises an inlet end and an outlet end, the inlet end of the blanking hopper is arranged in the operation cabinet and is opposite to the shearing opening, and the outlet end of the blanking hopper is arranged outside the operation cabinet.
7. The device for cutting the water gap of the injection molding part according to claim 6, wherein an operation box is arranged at the top end of the outer wall of the operation cabinet adjacent to the blanking hopper, and the operation switch is arranged on the operation box.
8. The device for cutting the water gap of the injection molding part according to claim 7, wherein a cabinet door is arranged on the side wall of the operation cabinet.
9. The device for cutting the nozzle of an injection molding part according to claim 8, wherein the cabinet door is located on a side wall of the operation cabinet opposite to the operation box.
10. The device for cutting a water gap of an injection molding part according to claim 1, wherein the operation cabinet is made of an aluminum alloy material.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022198016.1U CN214111319U (en) | 2020-09-29 | 2020-09-29 | Device is tailor at injection molding mouth of a river |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
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CN202022198016.1U CN214111319U (en) | 2020-09-29 | 2020-09-29 | Device is tailor at injection molding mouth of a river |
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Publication Number | Publication Date |
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CN214111319U true CN214111319U (en) | 2021-09-03 |
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CN202022198016.1U Active CN214111319U (en) | 2020-09-29 | 2020-09-29 | Device is tailor at injection molding mouth of a river |
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CN (1) | CN214111319U (en) |
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2020
- 2020-09-29 CN CN202022198016.1U patent/CN214111319U/en active Active
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