CN220295945U - Milling mechanical arm for glue inlet of injection molding part - Google Patents

Abstract

The utility model belongs to the field of injection molding processing, and particularly discloses an injection molding glue inlet milling mechanical arm, which comprises a mechanical arm body, a milling mechanism and a dust removing mechanism, wherein the milling mechanism and the dust removing mechanism are arranged on the mechanical arm body; the dust removing mechanism further comprises a plurality of push rods arranged on the circumference of the milling cutter, the push rods correspond to the slide blocks one by one, the opposite ends of the push rods and the slide blocks are provided with first wedge surfaces matched with each other, and an elastic piece is fixed between the slide blocks and the dust collection cylinder. By adopting the scheme of the utility model, the problem that scraps are difficult to ensure to completely enter the space in the scraps collecting chamber after the electromagnetic valve is closed and are not remained at the opening of the scraps collecting chamber can be solved.

Description

Milling mechanical arm for glue inlet of injection molding part

Technical Field

The utility model belongs to the field of injection molding processing, and particularly relates to an injection molding glue inlet milling mechanical arm.

Background

After injection molding in the mould, the plastic inlet waste material can be remained on the injection molding surface of the primary molding, and the residual waste material needs to be milled and ground off at the moment, for example, patent CN202022220729.3 discloses a full-automatic plastic frame residual waste milling device, which drives a processing cutter to mill the residual waste material on the injection molding through a mechanical arm, and a dust hood is sleeved outside the processing cutter to collect scraps produced in the milling process, and is communicated with a dust collector through a hose and the dust collector, so that scraps are collected through the work of the dust collector, the purchase cost of the dust collector is high, the dust collector has a certain occupied area, and the dust collector is inconvenient to move after being assembled.

In order to solve the above problem, patent CN202120890554.9 discloses a hole milling mechanical arm with chip removing function, which is characterized in that a fan is directly arranged at the top of a chip collecting chamber, when a processing tool works, chips are collected into the chip collecting chamber through the effect of the fan, but due to the mode, the chips entering the chip collecting chamber cannot be removed in time, an electromagnetic valve is arranged at the bottom of the chip collecting chamber to avoid the completion of processing, and in the reset process of the mechanical arm, the chips drop downwards from the chip collecting chamber, and then the electromagnetic valve is opened again to process the chips. In the process, after milling, the electromagnetic valve is required to be closed in time, and scraps are difficult to ensure to completely enter the space in the scraps collecting chamber after the electromagnetic valve is closed, but the scraps are not remained at the opening of the scraps collecting chamber.

Disclosure of Invention

Aiming at the defects in the prior art, the utility model provides the injection molding piece glue inlet milling mechanical arm, so as to solve the problems that scraps are difficult to ensure to completely enter a space in a scraps collecting chamber after the electromagnetic valve is closed, but the scraps are not remained at the opening of the scraps collecting chamber, in addition, the electromagnetic valve is frequently opened and closed, metal scraps are easy to be influenced by electromagnetic influence and remain on the electromagnetic valve, and when more scraps remain on the electromagnetic valve, the use of the electromagnetic valve is influenced.

According to the embodiment of the utility model, the following technical scheme is adopted:

the milling mechanism comprises a milling cutter and a driving piece for driving the milling cutter to do rotary lifting motion, the dust removing mechanism comprises a dust collection cylinder sleeved outside the milling cutter and a dust collection piece arranged in the dust collection cylinder, a plurality of sliding blocks are arranged at the lower end of the dust collection cylinder along the circumferential direction of the dust collection cylinder, the sliding blocks are mutually matched to seal the opening at the lower end of the dust collection cylinder, and the sliding blocks are radially and slidably connected at the lower end of the dust collection cylinder along the dust collection cylinder; the dust removing mechanism further comprises a plurality of push rods arranged on the circumference of the milling cutter, the push rods and the sliding blocks are in one-to-one correspondence, the opposite ends of the push rods and the sliding blocks are provided with first wedge surfaces matched with each other, the push rods are used for pushing the sliding blocks to slide, and elastic pieces are fixed between the sliding blocks and the dust collection cylinder.

Compared with the prior art, the utility model has the following beneficial effects:

during processing, the lower end of the dust collection cylinder is contacted with the injection molding piece or contacted with a workbench for placing the injection molding piece, then the milling cutter is driven to rotate and descend through the driving piece, the push rod descends along with the milling cutter, the push rod pushes away the slide block through the cooperation of the first wedge surface between the push rod and the slide block, and then the lower end of the dust collection cylinder is opened, so that the milling cutter can pass through and mill and polish. In the milling and polishing process, the scraps enter the dust collection cylinder under the action of the dust collection piece. After milling and polishing are completed, the driving piece drives the milling cutter to rise, the push rod rises along with the lifting, the sliding block is reset by the restoring force of the elastic piece, the lower end of the dust collection cylinder is blocked again, and chips are prevented from falling from the dust collection cylinder in the reset process of the mechanical arm body.

Above-mentioned in-process, dust absorption section of thick bamboo is direct to be detained and is established on the injection molding, and the piece that milling in-process produced all can get into in the dust absorption section of thick bamboo, and the slider setting is in dust absorption section of thick bamboo bottom, can block that the piece in the dust absorption section of thick bamboo drops, when needing to handle the piece, also only need slide the slider can, the simple operation when there is remaining piece on the slider, also be convenient for the staff handle remaining piece on the slider.

Further, a rotating shaft is fixed on the milling cutter, a mounting ring is rotationally connected to the rotating shaft, a plurality of sliding rods are fixed on the mounting ring along the circumferential direction of the mounting ring, the end parts of the sliding rods are axially and slidably connected in the dust collection cylinder along the dust collection cylinder, and the push rods are fixed on the sliding rods.

Further, the lower end of the sliding block is rotatably connected with a ball.

Further, a mounting cylinder is coaxially fixed in the dust collection cylinder, the lower end of the mounting cylinder is higher than the lower end of the dust collection cylinder, and the milling mechanism is mounted in the mounting cylinder.

Further, a filter cloth is fixed between the inner wall of the dust collection cylinder and the outer wall of the installation cylinder, and the dust collection piece is installed on one side of the filter cloth, which is opposite to the sliding block.

Further, the sliding block is provided with two opposite sliding blocks, the lower side of the free end of the sliding block is provided with a second wedge surface, the second wedge surface and the first wedge surface on the upper side of the sliding block are symmetrically arranged, and the longitudinal section of the sliding block is in an isosceles triangle shape.

Further, the dust removing mechanism further comprises a dust collecting box, and a pushing block for pushing away the sliding block is arranged at the upper end of the dust collecting box.

Further, the lower end of the push rod is flush with the lower end of the milling cutter or the position of the lower end of the push rod is higher than the position of the lower end of the milling cutter.

Drawings

Fig. 1 is a schematic overall structure of an embodiment of the present utility model.

In the figure: 1. a dust collection cylinder; 2. a blower; 3. a filter cloth; 4. a mounting cylinder; 5. a slide plate; 6. a rotating plate; 7. a rotating shaft; 8. milling cutter; 9. a push rod; 10. a first wedge surface; 11. a slide block; 12. a dust collection box; 13. a pushing block; 14. a second wedge surface; 15. a mounting ring; 16. and a slide bar.

Detailed Description

The utility model is described in further detail below with reference to the drawings in the specification and the detailed description is given.

As shown in FIG. 1, the injection molding part glue inlet milling mechanical arm comprises a mechanical arm body, a milling mechanism and a dust removing mechanism which are arranged on the mechanical arm body, wherein the mechanical arm body can refer to a four-axis mechanical arm or six-axis mechanical arm design which can move in multiple directions in the prior art.

The milling mechanism comprises a milling cutter 8 and a driving piece for driving the milling cutter 8 to do rotary lifting motion, and specifically, the driving piece comprises a sliding plate 5 arranged on the mechanical arm body in a vertical sliding manner, an air cylinder for driving the sliding plate 5 to slide, a motor fixed on the sliding plate 5 and a rotating plate 6 fixed on an output shaft of the motor, a rotating shaft 7 is fixed on the rotating plate 6, and the milling cutter 8 is fixed at the end part of the rotating shaft 7.

The dust removing mechanism comprises a dust collecting cylinder 1 sleeved on the outer side of the milling cutter 8 and a dust collecting piece arranged in the dust collecting cylinder 1, and specifically, the dust collecting piece is a fan 2 fixed at the top of the dust collecting cylinder 1. The dust collection cylinder 1 is fixed on the mechanical arm body, the lower end of the dust collection cylinder 1 is provided with a plurality of sliding blocks 11 along the circumferential direction of the dust collection cylinder 1, the sliding blocks 11 are matched with each other to seal the opening of the lower end of the dust collection cylinder 1, the sliding blocks 11 are radially and slidably connected to the lower end of the dust collection cylinder 1 along the dust collection cylinder 1, and the opening of the lower end of the dust collection cylinder 1 is opened or sealed through the sliding of the sliding blocks 11. An elastic piece is fixed between the sliding block 11 and the dust collection cylinder 1, in particular, a spring is fixed between the sliding block 11 and the bottom of the dust collection cylinder 1, and the sliding block 11 can be conveniently reset through the restoring force of the spring after sliding.

The dust removing mechanism further comprises a plurality of push rods 9 arranged on the periphery of the milling cutter 8, specifically, a mounting ring 15 is rotationally connected to the rotating shaft 7, a plurality of slide bars 16 are fixed on the mounting ring 15 along the periphery of the mounting ring, the end parts of the slide bars 16 are axially and slidably connected in the dust collection barrel 1 along the dust collection barrel 1, and the push rods 9 are fixed at the lower ends of the slide bars 16. The push rods 9 and the sliding blocks 11 are in one-to-one correspondence, first wedge surfaces 10 matched with each other are arranged at the opposite ends of the push rods 9 and the sliding blocks 11, and the push rods 9 are used for pushing the sliding blocks 11 to slide. The lower end of the push rod 9 is flush with the lower end of the milling cutter 8 or the position of the lower end of the push rod 9 is higher than the position of the lower end of the milling cutter 8, so that the situation that the milling cutter 8 cannot continue to move downwards to finish processing after the lower end of the push rod 9 is attached to the surface of an injection molding piece or the surface of a workbench for placing the injection molding piece is attached to the surface of the injection molding piece is avoided.

The slider 11 is equipped with two relative, slider 11 free end downside is equipped with second wedge face 14, the first wedge face 10 symmetry setting of second wedge face 14 and slider 11 upside, slider 11 longitudinal section is isosceles triangle, because slider 11 is equipped with two only, form the bar groove of triangle-shaped between two first wedge faces 10 of two slider 11 contact's one end upside, form the bar groove of regular triangle between two second wedge faces 14 of two slider 11 contact's one end downside, and when the injection molding that waits to process is the strip or injection molding size is less, the bar groove that slider 11 lower extreme formed can clip into it with the injection molding that waits to process, more be convenient for process.

When the mechanical arm is specifically used, the dust collection cylinder 1 is driven to the upper part of the injection molding part through the movement of the mechanical arm body (the movement of the mechanical arm body refers to the movement mode of the four-axis mechanical arm or the six-axis mechanical arm in the prior art), the dust collection cylinder 1 moves downwards, the sliding block 11 at the lower end of the dust collection cylinder 1 is firstly contacted with the injection molding part or firstly contacted with a workbench for placing the injection molding part, and then the milling cutter 8 is driven to rotate and descend through the driving part, specifically, the motor and the air cylinder are started simultaneously, the air cylinder drives the sliding plate 5 to slide downwards, and the motor drives the rotating plate 6 to rotate, so that the milling cutter 8 does the rotation and descent movement. The installation ring 15 is limited by the sliding rod 16 and can not rotate along with the rotating shaft 7, the installation ring 15 only moves downwards along with the rotating shaft 7, the push rod 9 moves downwards along with the installation ring 15, the push rod 9 pushes away the sliding block 11 through the cooperation of the first wedge surface 10 between the push rod 9 and the sliding block 11, and then the lower end of the dust collection cylinder 1 is opened, so that the milling cutter 8 can pass through and mill and polish. During milling and polishing, scraps enter the dust collection cylinder 1 under the action of the fan 2.

After milling and polishing are finished, the driving piece drives the milling cutter 8 to ascend, specifically, the sliding plate 5 is driven by the air cylinder to ascend, the push rod 9 ascends along with the ascending, the sliding block 11 is reset by the restoring force of the spring, the lower end of the dust collection cylinder 1 is blocked again, and chips are prevented from falling from the dust collection cylinder 1 in the resetting process of the mechanical arm body.

In another embodiment of the utility model, a mounting cylinder 4 is coaxially fixed in the dust collection cylinder 1, the lower end of the mounting cylinder 4 is higher than the lower end of the dust collection cylinder 1, the milling mechanism is mounted in the mounting cylinder 4, specifically, in this embodiment, a sliding plate 5 is slidingly connected in the mounting cylinder 4, and a cylinder is fixed at the top of the mounting cylinder 4. In this embodiment, only need fix dust absorption section of thick bamboo 1 top on the arm body can realize all installing milling mechanism, dust removal mechanism to the arm body on, be convenient for carry out the improvement design to four-axis arm or six-axis arm among the prior art.

A filter cloth 3 is fixed between the inner wall of the dust collection cylinder 1 and the outer wall of the installation cylinder 4, a dust collection piece (namely, a fan 2) is installed on one side of the filter cloth 3, which is opposite to the sliding block 11, and scraps can be blocked through the arrangement of the filter cloth 3, so that the scraps are prevented from entering the fan 2.

In another embodiment of the present utility model, when the slider 11 contacts the injection molding member or contacts the table on which the injection molding member is placed, in order to facilitate the subsequent sliding of the slider 11, a ball (not shown in the figure) is rotatably connected to the lower end of the slider 11, so that the sliding friction between the slider 11 and the surface of the injection molding member or the surface of the table on which the injection molding member is placed is changed into rolling friction, and the push rod 9 is more convenient to push the slider 11 to slide.

In another embodiment of the present utility model, the dust removing mechanism further includes a dust collecting box 12, a pushing block 13 for pushing the sliding block 11 is disposed at the upper end of the dust collecting box 12, specifically, a second wedge surface 14 is also disposed at the upper end of the pushing block 13, after milling and polishing are completed, the mechanical arm body drives the dust collecting cylinder 1 to move above the dust collecting box 12, then drives the dust collecting cylinder 1 to move downwards, when the upper end of the pushing block 13 contacts with the sliding block 11, the pushing block 13 pushes the sliding block 11 away, the lower end of the dust collecting cylinder 1 is opened, the debris in the dust collecting cylinder 1 falls down into the dust collecting box 12, and if necessary, the fan 2 can be started, so that the fan 2 reversely rotates to blow the debris in the dust collecting cylinder 1 into the dust collecting box 12.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Finally, it is noted that the above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and although the present utility model has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that modifications and equivalents may be made thereto without departing from the spirit and scope of the technical solution of the present utility model, which is intended to be covered by the scope of the claims of the present utility model.

Claims (8)

1. Injection molding advances gluey mouthful milling arm, including arm body and install milling mechanism, the dust removal mechanism on the arm body, milling mechanism is including milling the cutter and be used for driving the driving piece that milling the cutter to do rotatory elevating movement, and dust removal mechanism is including the cover establish the dust absorption section of thick bamboo in milling the cutter outside and install the dust absorption piece in dust absorption section of thick bamboo, its characterized in that: the lower end of the dust collection cylinder is provided with a plurality of sliding blocks along the circumferential direction, the sliding blocks are matched with each other to seal the opening at the lower end of the dust collection cylinder, and the sliding blocks are connected to the lower end of the dust collection cylinder along the radial direction of the dust collection cylinder in a sliding manner; the dust removing mechanism further comprises a plurality of push rods arranged on the circumference of the milling cutter, the push rods and the sliding blocks are in one-to-one correspondence, the opposite ends of the push rods and the sliding blocks are provided with first wedge surfaces matched with each other, the push rods are used for pushing the sliding blocks to slide, and elastic pieces are fixed between the sliding blocks and the dust collection cylinder.

2. The injection molding glue inlet milling mechanical arm according to claim 1, wherein: the milling cutter is characterized in that a rotating shaft is fixed on the milling cutter, a mounting ring is rotationally connected to the rotating shaft, a plurality of sliding rods are fixed on the mounting ring along the circumferential direction of the mounting ring, the ends of the sliding rods are axially and slidably connected in the dust collection barrel along the dust collection barrel, and the push rods are fixed on the sliding rods.

3. The injection molding glue inlet milling mechanical arm according to claim 1, wherein: the lower end of the sliding block is rotatably connected with a ball.

4. The injection molding glue inlet milling mechanical arm according to claim 1, wherein: the dust collection device is characterized in that an installation cylinder is coaxially fixed in the dust collection cylinder, the lower end of the installation cylinder is higher than the lower end of the dust collection cylinder, and the milling mechanism is installed in the installation cylinder.

5. The injection molding glue inlet milling mechanical arm of claim 4, wherein: a filter cloth is fixed between the inner wall of the dust collection cylinder and the outer wall of the installation cylinder, and the dust collection piece is installed on one side of the filter cloth, which is opposite to the sliding block.

6. The injection molding glue inlet milling mechanical arm according to claim 1, wherein: the sliding block is provided with two opposite sliding blocks, the lower side of the free end of the sliding block is provided with a second wedge surface, the second wedge surface and the first wedge surface on the upper side of the sliding block are symmetrically arranged, and the longitudinal section of the sliding block is isosceles triangle.

7. The injection molding glue inlet milling mechanical arm of claim 6, wherein: the dust removing mechanism further comprises a dust collecting box, and a pushing block for pushing the sliding block away is arranged at the upper end of the dust collecting box.

8. The injection molding glue inlet milling mechanical arm of claim 6, wherein: the lower end of the push rod is flush with the lower end of the milling cutter or the position height of the lower end of the push rod is higher than the position height of the lower end of the milling cutter.