CN112776282A

CN112776282A - Sprue cutting mechanism

Info

Publication number: CN112776282A
Application number: CN202110084392.4A
Authority: CN
Inventors: 李靖; 王东; 薛新城
Original assignee: Nantong Yinbaoshan New Technology Co ltd
Current assignee: Nantong Yinbaoshan New Technology Co ltd
Priority date: 2021-01-21
Filing date: 2021-01-21
Publication date: 2021-05-11

Abstract

The invention provides a sprue cutting mechanism which comprises a bottom plate, a rotating part and a cutting device, wherein the bottom plate is provided with a telescopic device, and the telescopic device comprises a driving cylinder and a connecting part connected with a driving shaft of the driving cylinder so as to drive the connecting part to move along the axial direction of the driving shaft through the driving shaft; the rotating part comprises a telescopic cylinder and a rotating plate, the telescopic cylinder comprises a cylinder body and a telescopic shaft connected with the cylinder body, the cylinder body is arranged on the connecting piece, the rotating plate is hinged with the connecting piece, and the rotating plate is also connected with the telescopic shaft so as to drive the rotating plate to rotate through the telescopic shaft; the cutting device is installed at the rotor plate, and the cutting device includes the excision cylinder and the cutter of being connected with the excision cylinder to drive the cutter motion and then cut off the runner through the excision cylinder. The sprue cutting mechanism has the advantages of high stability, high cutting accuracy and less cutting residual quantity.

Description

Sprue cutting mechanism

Technical Field

The invention relates to the field of a cutting mechanism, in particular to a sprue cutting mechanism.

Background

For plastic product manufacturing, the gates are necessarily cut after the product manufacturing is finished, some gates can be cut automatically on the mold, but more gates need to be cut by means of external tools. In the prior art, a manipulator grabbing clamp or a robot is adopted to cut off a pouring gate. The manipulator snatchs out the back from the mould, drives the blade by the cylinder and removes the runner position, nevertheless because factor such as stability, atmospheric pressure, product material of product when manipulator snatchs, the blade can not be accurate reachs theoretical position and amputates, can not realize accurate excision to the runner, therefore the gate excision back residue volume has many less, unqualifiedly needs artificial secondary to maintain again.

In view of the above, there is a need for a new gate cutting mechanism to solve or at least alleviate the above technical drawbacks.

Disclosure of Invention

The invention mainly aims to provide a sprue cutting mechanism, and aims to solve the technical problem that a sprue cannot be accurately cut in the prior art.

To achieve the above object, the present invention provides a gate cutting mechanism comprising:

the telescopic device comprises a driving cylinder and a connecting piece connected with a driving shaft of the driving cylinder, and the connecting piece is driven by the driving shaft to move along the axial direction of the driving shaft;

the rotating piece comprises a telescopic cylinder and a rotating plate, the telescopic cylinder comprises a cylinder body and a telescopic shaft connected with the cylinder body, the cylinder body is arranged on the connecting piece, the rotating plate is hinged with the connecting piece, and the rotating plate is also connected with the telescopic shaft so as to drive the rotating plate to rotate through the telescopic shaft;

the cutting device is installed on the rotating plate and comprises a cutting cylinder and a cutter connected with the cutting cylinder, and the cutter is driven to move through the cutting cylinder so as to cut off the gate.

Optionally, a guide rail is further disposed on the bottom plate, the telescopic device further includes a slider connected to the driving shaft, the slider is slidably mounted on the guide rail, and the slider is connected to the connecting member to drive the connecting member to move through the slider.

Optionally, the connecting piece is including the connecting rod, regulating plate and the mounting panel that connect gradually, the connecting rod install in the slider, be provided with articulated seat on the mounting panel, the rotor plate with articulated seat is articulated.

Optionally, be provided with the ladder on the connecting rod, be provided with a plurality of through-holes on the ladder, be provided with the arc hole on the regulating plate, the arc hole with the through-hole passes through screw can dismantle the connection.

Optionally, still be provided with vertical waist shape hole on the regulating plate, be provided with the connecting hole on the mounting panel, the mounting panel with the connection can be dismantled through threaded fastener to the regulating plate.

Optionally, the rotating plate is further provided with two connecting blocks which are arranged oppositely, the telescopic shaft is further provided with a connecting rod, the telescopic shaft penetrates through the mounting plate, and the connecting rod is connected with the two connecting blocks respectively.

Optionally, the cutting cylinder and the cutter are respectively arranged on two sides of the rotating plate, the cutting cylinder comprises a body and a cylinder shaft connected with the body, the cutting device further comprises a transmission rod, the cutter is hinged with the rotating plate, and the transmission rod is connected with the cutter and the cylinder shaft.

Optionally, a strip-shaped hole is formed in the rotating plate, and the transmission rod can move along the length direction of the strip-shaped hole under the driving of the cylinder shaft so as to drive the cutter to rotate.

Optionally, a limiting plate is further arranged on the rotating plate, a rotating space is formed between the limiting plate and the cutter, and the cutter can rotate in the rotating space.

Optionally, the number of the telescoping devices, connecting members, rotating members and cutting devices is two.

In the technical scheme of the invention, the gate cutting mechanism comprises a bottom plate, a rotating part and a cutting device, wherein the bottom plate is provided with a telescopic device, and the telescopic device comprises a driving cylinder and a connecting part connected with a driving shaft of the driving cylinder so as to drive the connecting part to move along the axial direction of the driving shaft through the driving shaft; the rotating part comprises a telescopic cylinder and a rotating plate, the telescopic cylinder comprises a cylinder body and a telescopic shaft connected with the cylinder body, the cylinder body is arranged on the connecting piece, the rotating plate is hinged with the connecting piece, and the rotating plate is also connected with the telescopic shaft so as to drive the rotating plate to rotate through the telescopic shaft; the cutting device is installed at the rotor plate, and the cutting device includes the excision cylinder and the cutter of being connected with the excision cylinder to drive the cutter motion and then cut off the runner through the excision cylinder. In the scheme, the bottom plate can be arranged on the grabbing clamp of the manipulator, the grabbing clamp of the manipulator is used for clamping a workpiece, and the pouring gate to be cut off is arranged on the workpiece, so that the pouring gate cutting mechanism can cut off the pouring gate conveniently. The telescopic device moves along a straight line to drive the connecting piece to a preset position, in fact, to drive the cutter to the preset position; then rotate through telescopic cylinder drive rotor plate and then with the cutter propelling movement as to the position of product edge laminating and being close to the runner, then drive the cutter motion and then follow the product edge and amputate the runner through the excision cylinder. According to the invention, through the arrangement of the telescopic device and the rotating piece, the cutter can be accurately adjusted to the position for cutting off the sprue, and compared with the technical scheme that the clamp is grabbed by a manipulator in the prior art, the stability is higher; and the cutter can be tightly attached to the edge of the product to be cut off by adjusting the telescopic cylinder, so that the cutting residual quantity is small, and the cutting precision is high. The invention has the advantages of high stability, high excision precision and less excision residue. In addition, secondary reworking can be reduced due to the fact that the sprue is cut off accurately, manufacturing cost can be reduced, process time can be shortened, and production efficiency can be improved.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

FIG. 1 is a schematic perspective view of a gate cutting mechanism according to an embodiment of the present invention;

FIG. 2 is a schematic perspective view of a connector, a rotating member and a cutting device according to an embodiment of the present invention;

FIG. 3 is another perspective view of the connector, rotating member and cutting device of an embodiment of the present invention;

FIG. 4 is a schematic perspective view of a connector according to an embodiment of the present invention;

FIG. 5 is a schematic perspective view of a connecting rod according to an embodiment of the present invention;

FIG. 6 is a schematic perspective view of a cutting device according to an embodiment of the present invention;

FIG. 7 is a schematic perspective view of a cutting device in accordance with an embodiment of the present invention;

fig. 8 is a schematic perspective view of the telescopic cylinder, the connecting rod and the round block according to the embodiment of the invention. The reference numbers illustrate:

1. a base plate; 2. a driving cylinder; 3. a connecting member; 31. a connecting rod; 311. a step; 312. a through hole; 32. an adjusting plate; 321. an arc-shaped hole; 322. a waist-shaped hole; 33. a base plate; 331. a hinged seat; 4. a telescopic cylinder; 41. a cylinder body; 42. a telescopic shaft; 5. a rotating plate; 51. a strip-shaped hole; 6. cutting off the cylinder; 7. a cutter; 71. a strip hole; 8. a guide rail; 9. a slider; 10. connecting blocks; 11. a connecting rod; 12. a transmission rod; 13. a limiting plate; 14. a circular block.

The implementation, functional features and advantages of the present invention will be further explained with reference to the accompanying drawings.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is apparent that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be obtained by a person skilled in the art without any inventive step based on the embodiments of the present invention, are within the scope of the present invention.

It should be noted that all the directional indicators (such as the upper and lower … …) in the embodiment of the present invention are only used to explain the relative position relationship, movement, etc. of the components in a specific posture (as shown in the drawings), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature.

Moreover, the technical solutions in the embodiments of the present invention may be combined with each other, but it is necessary to be able to be realized by a person skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should be considered to be absent, and is not within the protection scope of the present invention.

Referring to fig. 1-8, the present invention provides a gate cutting mechanism comprising:

the telescopic device comprises a bottom plate 1, wherein a telescopic device is arranged on the bottom plate 1, and comprises a driving cylinder 2 and a connecting piece 3 connected with a driving shaft of the driving cylinder 2, so that the connecting piece 3 is driven by the driving shaft to move along the axial direction of the driving shaft;

the rotating part comprises a telescopic cylinder 4 and a rotating plate 5, the telescopic cylinder 4 comprises a cylinder body 41 and a telescopic shaft 42 connected with the cylinder body 41, the cylinder body 41 is arranged on the connecting piece 3, the rotating plate 5 is hinged with the connecting piece 3, and the rotating plate 5 is also connected with the telescopic shaft 42 so as to drive the rotating plate 5 to rotate through the telescopic shaft 42;

and the cutting device is arranged on the rotating plate 5 and comprises a cutting cylinder 6 and a cutter 7 connected with the cutting cylinder 6, so that the cutter 7 is driven to move by the cutting cylinder 6 to cut the gate.

In the above embodiment, the bottom plate 1 may be installed on a grabbing fixture of a manipulator, the grabbing fixture of the manipulator is used for clamping a workpiece, and a gate to be cut off is formed in the workpiece, so that the gate cutting mechanism can cut off the gate along the edge of a product conveniently. The telescopic device moves along a straight line for driving the connecting piece 3 to a preset position, in fact, in order to drive the cutting knife 7 to the preset position; then, the rotating plate 5 is driven to rotate through the telescopic cylinder 4, the cutter 7 is pushed to a position where the edge of the product is attached to and close to the pouring gate, and then the cutter 7 is driven to move through the cutting cylinder 6 so as to cut the pouring gate. According to the embodiment, the cutter 7 can be accurately adjusted to the position for cutting off the sprue through the arrangement of the telescopic device and the rotating piece, and compared with the technical scheme that the clamp is grabbed through a manipulator in the prior art, the stability is higher; and the cutter 7 can be cut off by clinging to the edge of the product through the adjustment of the telescopic cylinder 4, the cutting residual quantity is small, and the cutting precision is high. The embodiment has the advantages of high stability, high cutting accuracy and low cutting residual quantity. In addition, secondary reworking can be reduced due to the fact that the sprue is cut off accurately, manufacturing cost can be reduced, process time can be shortened, and production efficiency can be improved.

Further, referring to fig. 1, a guide rail 8 is further disposed on the bottom plate 1, the telescopic device further includes a slider 9 connected to the driving shaft, the slider 9 is slidably mounted on the guide rail 8, and the slider 9 is connected to the connecting member 3 to drive the connecting member 3 to move through the slider 9. Through the setting of slider 9 and guide rail 8, can reduce the required drive power of driving actuating cylinder 2, not only do benefit to energy-conservation, can reduce the volume that drives actuating cylinder again, and then reduce runner resection mechanism's volume.

As a preferred implementation manner of the above embodiment, referring to fig. 1 to 4, the connecting member 3 includes a connecting rod 31, an adjusting plate 32 and a mounting plate 33 connected in sequence, the connecting rod 31 is mounted on the sliding block 9, the mounting plate 33 is provided with a hinge base 331, and the rotating plate 5 is hinged to the hinge base 331. Specifically, can set up the mounting hole on slider 9, connecting rod 31 install in the mounting hole is fixed through the screw, and articulated make rotor plate 5 can rotate around the pin joint under telescopic cylinder 4's drive through rotor plate 5 and articulated seat 331 are articulated, realizes rotor plate 5's rotation to realize the regulation of cutter 7 position, adjust cutter 7 to runner excision position, make things convenient for follow-up resection device to amputate the runner.

Further, referring to fig. 4 and 5, a step 311 is disposed on the connecting rod 31, a plurality of through holes 312 are disposed on the step 311, an arc-shaped hole 321 is disposed on the adjusting plate 32, and the arc-shaped hole 321 and the through hole 312 are detachably connected through a screw. The adjusting plate 32 is further provided with a vertical waist-shaped hole 322, the mounting plate 33 is provided with a connecting hole, and the mounting plate 33 and the adjusting plate 32 are detachably connected through a threaded fastener. Here we can also refer to the link 31 and the adjusting plate 32 together as an adjusting assembly, mainly used when the telescopic device and the rotary member jointly adjust the position of the cutter 7 but still cannot make the cutter 7 reach the preset position (as the skilled person can understand, for different products, the position of the cutter 7 to be adjusted is different). Specifically, the arc-shaped holes 321 on the adjusting plate 32 can be horizontally arranged, and the positions of the adjusting plate 32 and thus the horizontal position and angle of the cutter 7 can be adjusted by connecting the arc-shaped holes 321 with different through holes 312 on the step 311; in addition, through the waist-shaped hole 322 which is vertically arranged, the height of the mounting plate 33 can be adjusted, and then the height of the cutter 7 can be adjusted. The mounting plate 33 here may be arranged vertically. Therefore, the cutter 7 can be ensured to accurately move to the sprue cutting position through the auxiliary adjusting action of the connecting rod 31 and the adjusting plate 32, and the cutting precision is further improved.

Further, referring to fig. 2, 3 and 8, the rotating plate 5 is further provided with two connecting blocks 10 which are oppositely arranged, the telescopic shaft 42 is further provided with a connecting rod 11, the telescopic shaft 42 penetrates through the mounting plate 33, and the connecting rod 11 is respectively connected with the two connecting blocks 10. Specifically, can set up through hole or blind hole on the connecting block 10, can set up circular block 14 on the telescopic shaft 42, connecting rod 11 sets up on circular block 14, and connecting rod 11 sets up respectively in the through hole or the blind hole of connecting block 10 for telescopic shaft 42 is connected with rotor plate 5, and then makes telescopic shaft 42 can drive rotor plate 5 and rotate around the pin joint, realizes the adjustment of cutter 7 position.

Further, referring to fig. 2-3, 6-7, the cutting cylinder 6 and the cutting knife 7 are respectively disposed on two sides of the rotating plate 5, the cutting cylinder 6 includes a body and a cylinder shaft connected to the body, the cutting device further includes a transmission rod 12, the cutting knife 7 is hinged to the rotating plate 5, and the transmission rod 12 connects the cutting knife 7 and the cylinder shaft. Specifically, the middle position of the cutter 7 is hinged to the rotating plate 5, the transmission rod 12 is hinged to the end of the cutter 7, a long hole 71 is formed in the cutter 7, the transmission rod 12 penetrates through the long hole 71 to be hinged to the cutter 7, and the transmission rod 12 drives the cutter 7 to transmit so that the edge portion of the cutter 7 cuts off the sprue. Through locating the both sides of rotor plate 5 with cutter 7 and excision cylinder 6 branch, can be so that cutter 7 sets up towards the product all the time around the work to keep apart through rotor plate 5, make the cutting edge can not leak outward and cause danger to debugging and maintenance personal.

Further, referring to fig. 2-3, 6-7, a strip-shaped hole 51 is formed in the rotating plate 5, and the transmission rod 12 can move along the length direction of the strip-shaped hole 51 under the driving of the cylinder shaft to drive the cutter 7 to rotate. The rotating plate 5 is further provided with a limiting plate 13, a rotating space is formed between the limiting plate 13 and the cutter 7, and the cutter 7 can rotate in the rotating space. The strip-shaped hole 51 is arranged to enable the transmission rod 12 to move in the strip-shaped hole 51 to drive the cutting edge of the notch to rotate so as to cut off the sprue, and the limiting plate 13 mainly plays two roles to limit the movement of the cutter 7 and prevent the cutter 7 from moving over the limit; secondly, play the guard action, prevent that cutter 7 from leaking outward and fish tail operator.

Further, referring to fig. 1, the number of the telescoping devices, the connecting member 3, the rotating member and the cutting device is two. By the design, two gates on a product can be cut off simultaneously, and the cutting efficiency is improved.

The above description is only a preferred embodiment of the present invention, and not intended to limit the scope of the present invention, and all modifications and equivalents of the technical spirit of the present invention, which are made by the contents of the present specification and the accompanying drawings, or directly/indirectly applied to other related technical fields, are included in the scope of the present invention.

Claims

1. A gate resection mechanism, characterized by comprising:

2. The gate excision mechanism according to claim 1, wherein a guide rail is further disposed on said bottom plate, and said telescopic device further comprises a slider connected to said driving shaft, said slider being slidably mounted on said guide rail, said slider being connected to said connecting member so as to drive said connecting member to move through said slider.

3. The gate excision mechanism according to claim 2, wherein said connecting piece comprises a connecting rod, an adjusting plate and a bottom plate connected in sequence, said connecting rod is mounted on said slide block, said mounting plate is provided with a hinge seat, and said rotating plate is hinged with said hinge seat.

4. The gate excision mechanism according to claim 3, wherein said connecting rod is provided with a step, said step is provided with a plurality of through holes, said adjusting plate is provided with an arc hole, said arc hole and said through hole are detachably connected through a screw.

5. The gate excision mechanism according to claim 3, wherein said adjusting plate is further provided with a vertical waist-shaped hole, said mounting plate is provided with a connecting hole, and said mounting plate and said adjusting plate are detachably connected by a threaded fastener.

6. The gate cutting mechanism according to claim 1, wherein the rotating plate is further provided with two connecting blocks oppositely arranged, the telescopic shaft is further provided with a connecting rod, the telescopic shaft is arranged through the mounting plate, and the connecting rods are respectively connected with the two connecting blocks.

7. The gate excision mechanism according to claim 1, wherein said excision cylinder and said cutter are disposed on two sides of said rotating plate, respectively, said excision cylinder comprises a body and a cylinder shaft connected with said body, said excision device further comprises a transmission rod, said cutter is hinged with said rotating plate, said transmission rod connects said cutter and said cylinder shaft.

8. The gate excision mechanism according to claim 7, wherein said rotating plate is provided with a strip-shaped hole, and said transmission rod can move along the length direction of said strip-shaped hole under the driving of said cylinder shaft to drive said cutter to rotate.

9. The gate cutting mechanism according to claim 7, wherein a limiting plate is further disposed on the rotating plate, a rotating space is formed between the limiting plate and the cutting knife, and the cutting knife can rotate in the rotating space.

10. The gate resection mechanism according to any of the claims 1 to 9, wherein the number of said telescopic means, connecting means, rotating means and resection means are all two.