CN210943919U

CN210943919U - Clamping piece demoulding and stacking mechanism

Info

Publication number: CN210943919U
Application number: CN201921920869.2U
Authority: CN
Inventors: 涂必宏; 黄建宇
Original assignee: Rui'an Hengfeng Machinery Co ltd
Current assignee: Ruian Zhuorui Machinery Co ltd
Priority date: 2019-11-08
Filing date: 2019-11-08
Publication date: 2020-07-07
Anticipated expiration: 2029-11-08

Abstract

Clamping piece drawing of patterns stacking mechanism, including the cope match-plate pattern, it has material hole and location guide bar to distribute on the cope match-plate pattern, the edge in material hole is located to the location guide bar configuration, the vertical setting of location guide bar, still be equipped with on the location guide bar and prevent the device that moves back, the top of cope match-plate pattern still is equipped with grabbing device, grabbing device is including last mounting panel, lower mounting panel snatchs with the upset and colludes, be equipped with first lift drive on the lower mounting panel, first lift drive is connected with last mounting panel transmission, be equipped with the hollow tube on the lower mounting panel, the hollow tube corresponds the edge in material hole, the slip dabber has in the hollow tube, the slip dabber is. The clamping piece demolding and stacking mechanism can stack the plastic products which are demolded by the upper top, is suitable for stacking and transferring products with small height and thin thickness, such as plastic cup covers, and is reasonable in structure.

Description

Clamping piece demoulding and stacking mechanism

Technical Field

The utility model relates to a plastic products make-up machine, in particular to clamping piece drawing of patterns stacking mechanism.

Background

The plastic product forming machine is used for manufacturing plastic products (such as plastic cups or plastic boxes) such as plastic cup covers with small heights from plastic sheets, and after the plastic products with the small heights on the plastic sheets are formed, the plastic products formed on the plastic sheets need to be ejected upwards and demoulded for stacking.

SUMMERY OF THE UTILITY MODEL

In view of the technical problems existing in the background art, the technical problem solved by the present invention is to provide a clamping piece de-molding stacking mechanism suitable for plastic products such as plastic cup covers.

In order to solve the technical problem, the utility model discloses a following technical scheme: the clamping piece demoulding and stacking mechanism comprises an upper template, wherein material holes and positioning guide rods are distributed on the upper template, the positioning guide rods are arranged at the edges of the material holes and are vertically arranged, a withdrawing prevention device is also arranged on the positioning guide rods, a gripping device is also arranged above the upper template and comprises an upper mounting plate, lower mounting panel snatchs to collude with the upset, be equipped with first lift drive arrangement on the lower mounting panel, first lift drive arrangement is connected with the last mounting panel transmission, be equipped with the hollow tube down on the mounting panel, the hollow tube corresponds at the edge of material hole, the slip dabber has in the hollow tube, the slip dabber is installed on last mounting panel, the upset snatchs the lower extreme department of colluding the setting hollow tube, the slip dabber snatchs with the upset and colludes the transmission and be connected, be equipped with the removal frame of back-and-forth movement in the frame, be equipped with second lift drive arrangement on the removal frame, second lift drive arrangement is.

The anti-retreat device is provided with an upper layer and a lower layer.

The first lifting driving device comprises a first air cylinder, and the first air cylinder is connected between the upper mounting plate and the lower mounting plate.

The upper mounting plate is also connected with a guide rod, the lower mounting plate is provided with a guide hole, the guide hole is connected with the guide rod, the guide rod is also provided with a limiting device, the limiting device is positioned below the lower mounting plate, and a spring is arranged between the limiting device and the lower mounting plate

The beneficial effects of the utility model are that, this clamping piece drawing of patterns stacking mechanism can pile up the plastic products of being pushed up the drawing of patterns, and suitable plastics bowl cover this type of highly less, thinner product piles up and shifts, rational in infrastructure. Therefore, compared with the prior art, the utility model has substantive characteristics and progress.

Drawings

The following describes details and operational principles of embodiments and examples of the present invention with reference to the drawings.

Fig. 1 is a schematic view of the three-dimensional structure of the middle clamping piece demoulding and stacking mechanism of the present invention.

Fig. 2 is a front view structure diagram of the middle clamping piece demoulding and stacking mechanism of the utility model.

Fig. 3 is a schematic side view of the middle clamping piece demoulding and stacking mechanism of the present invention.

Fig. 4 is a schematic structural view of the preventing device.

Fig. 5 is a schematic structural view of the grasping apparatus.

Detailed Description

Referring to the attached drawings, the clip demolding and stacking mechanism in the embodiment comprises an upper template 1, material holes 2 and positioning guide rods 3 are distributed on the upper template 1, the positioning guide rods 3 are arranged at the edges of the material holes 2, the positioning guide rods 3 are vertically arranged, and the positioning guide rods 3 at the edges of the material holes are combined to form a storage bin respectively, so that a plastic product formed on a plastic sheet is pushed upwards into the material holes by a lower ejector rod, the plastic product is pushed into the material holes from the lower part, and the plastic product is stacked in the storage bin formed by the positioning guide rods 3. Six positioning guide rods can be arranged at the edge of the material hole and positioned on the corners of the regular hexagon, so that the structure is more reasonable and compact. The positioning guide rod 3 is also provided with an anti-back-off device 4, the anti-back-off device is used for enabling the plastic products to pass upwards in a single direction, and the plastic products passing through the anti-back-off device are supported. The anti-retreat device can adopt a spring piece which can be inclined to have better effect and form an included angle of less than or equal to 45 degrees with the horizontal state. In this embodiment, the retreat prevention device 4 is to adopt the small hook plate 41, the small hook plate is turned over on the positioning guide rod through the pin shaft connection, the small hook plate is turned over by gravity, and the small hook plate is turned over to be less than or equal to 45 degrees included angle with the horizontal state by adopting a limit design (such as the limit rotation of the pin shaft or the setting of a limit block on the positioning guide rod).

A grabbing device 5 is further arranged above the upper template 1, the grabbing device comprises an upper mounting plate 6, a lower mounting plate 7 and a turnover grabbing hook 8, a first lifting driving device 34 is arranged on the lower mounting plate 7, the first lifting driving device 34 is in transmission connection with the upper mounting plate 6, and the upper mounting plate 6 is driven to lift on the lower mounting plate 7 through the first lifting driving device 34; be equipped with hollow tube 9 on the lower mounting panel, hollow tube 9 corresponds the edge at the material hole, sliding core axle 10 has in the hollow tube, sliding core axle 10 installs on last mounting panel 6, then drive sliding core axle 10 and go up and down in hollow tube 9 when last mounting panel 6 goes up and down relatively mounting panel 7, the upset is snatched the lower extreme department that colludes 8 and set up hollow tube 9, the upset is snatched and is colluded 8 and articulate and overturn on the hollow tube, sliding core axle 10 snatchs with the upset and collude 8 transmission connections, can drive the upset through the lift of sliding core axle and snatch the collude and overturn (dispose the mutual transmission of connecting rod in addition), thereby realize that the upset snatchs snatching sna. The frame is provided with a moving frame 11 moving back and forth, the moving frame is provided with a second lifting driving device 12, the second lifting driving device 12 is in transmission connection with the lower mounting plate 7, the lower mounting plate 7 is driven by the second lifting driving device to lift on the moving frame 11, and the upper mounting plate 6 lifts along with the lower mounting plate 7.

When the plastic products in the storage bin consisting of the positioning guide rods 3 reach a certain number or height, the second lifting driving device 12 drives the lower mounting plate 7 to descend, the upper mounting plate 6, the hollow pipe 9 and the sliding core shaft 10 descend along with the lower mounting plate 7, and the hollow pipe can be inserted between the positioning guide rods 3 after descending in place; the first lifting driving device 34 on the lower mounting plate drives the upper mounting plate to enable the upper mounting plate 6 to descend relative to the lower mounting plate 7, the sliding mandrel descends in the hollow pipe, the sliding mandrel drives the overturning grabbing hook to overturn, the overturning grabbing hook 8 is enabled to hook, and the plastic product held by the anti-falling device 4 can be held by the hook from the lower part; then the second lifting driving device 12 drives the lower mounting plate 7 to ascend, the upper mounting plate, the hollow pipe and the mandrel ascend along with the lower mounting plate, and plastic products stacked in a storage bin formed by the positioning guide rods are transferred out. When the plastic product is released, the first lifting driving device drives the upper mounting plate to lift relative to the lower mounting plate, and the sliding core shaft rises in the hollow pipe to drive the overturning grabbing hook to release the plastic product. The clamping piece demolding and stacking mechanism can receive and stack a plastic product subjected to top demolding, is suitable for stacking and transferring products with small height and thin thickness, such as plastic cup covers, and is reasonable in structure.

Preferably, the retreat preventing means 4 is provided in two upper and lower stages. Namely an upper layer anti-back device and a lower layer anti-back device. Prevent moving back two-layer bilayer structure about the device sets up, can with the upper strata prevent moving back the device and the cooperation of conveyer belt linking, the conveying just can be put to the plastic product that shifts out, it is more convenient, the structural requirement of staggered floor about conveyer belt and plastic sheet is satisfied, prevent through the lower floor that the device can satisfy the more efficient demand of ejector pin short stroke lift in the drawing of patterns cooperation, and more stable, it is in disorder to avoid light plastic product piling up the in-process, prevent moving back the device and pile up the certain height (or quantity) the back again by the long stroke lift of ejector pin and push up the upper strata and prevent moving back the device on the lower floor. The plastic product held by the upper layer withdrawing prevention device is transferred by the gripping device.

The first lift drive 34 includes a first cylinder connected between the upper and lower mounting plates. The second elevation driving means 12 includes a second cylinder.

The upper mounting plate is further connected with a guide rod, the lower mounting plate is provided with a guide hole, the guide hole is connected with the guide rod, and the upper mounting plate is more stable on the lower mounting plate. Still be provided with stop device (like stopper, stop nut) on the guide arm, stop device is located the below of mounting panel down, is furnished with the spring between stop device and the lower mounting panel, further promotes the stability and the response speed that the relative mounting panel goes up and down of mounting panel goes up and down.

The lower mounting plate 7 is connected to a lifting support 13, the lifting support 13 is connected to a movable frame 11 through a vertically arranged linear guide rail 15 to lift, the movable frame 11 is connected to a horizontally arranged linear guide rail 15 of the frame to move back and forth, and the back and forth movement of the movable frame can be configured with a cylinder 14 for transmission.

The upper template 1 is in transmission connection with a third lifting driving device 20, and is driven by the third lifting driving device 20 to lift, so that the upper template can be replaced after the upper template is lifted. Still be equipped with upper bracket 16 in the frame, the upper bracket has mounting groove and first back mounting groove 17 before first, and cope match-plate pattern 1 push-and-pull cooperation in mounting groove and the first back mounting groove 17 before first, and the cope match-plate pattern can be in mounting groove and the first back mounting groove push-and-pull installation before first, and cope match-plate pattern 1 can be taken out and push in on upper bracket 16, convenient change. And a locking device (such as a jackscrew, not shown in the figure) is arranged between the upper template and the upper bracket, and the upper template on the upper bracket can be locked and fixed through the locking device, so that the operation is more stable. The upper bracket 16 is connected on a vertical guide rail 18 of the frame, so that the upper bracket can stably lift on the vertical guide rail 18, and can be configured with a slide block to lift. The upper bracket 16 is in transmission connection with a third lifting driving device 20, and the upper bracket is driven by the third lifting driving device to lift so as to lift the upper template. The third lifting driving device can adopt cylinder or motor matched with gear and rack transmission or screw rod and nut transmission. A positioning device 19 is further disposed between the upper die plate 1 and the upper bracket 16, so that the upper die plate 1 is positioned by the positioning device in the first front mounting groove and the first rear mounting groove of the upper bracket 16, the positioning device 19 may adopt the matching of a positioning hole and a positioning pin, the positioning hole may be disposed on the upper die plate, and the positioning pin (e.g., a spring pin) is disposed on the upper bracket.

The lower template is connected to the rack, is in transmission connection with the fourth lifting driving device 21, is driven by the fourth lifting driving device 21 to lift on the rack, and is convenient to replace the lower template after falling, and the lower template is provided with material holes corresponding to the material holes in the upper template. Still be equipped with the lower carriage 22 in the frame, mounting groove 23 behind mounting groove and the second before the lower carriage has the second, and the lower bolster is in mounting groove 23 push-and-pull fit behind mounting groove and the second before the second, and the lower bolster can be in mounting groove 22 push-and-pull installation behind mounting groove and the second before the second, and the lower bolster can be taken out and push in on lower carriage 22, convenient change.

A second locking device (for example, a jackscrew) is further arranged between the lower template and the lower bracket 22, and the lower template on the lower bracket can be locked and fixed through the second locking device, so that the working is more stable. The lower bracket is connected to a second vertical guide rail 25 (such as a chute guide rail) of the frame, so that the lower bracket can stably lift on the second vertical guide rail 25, and can also be equipped with a slide block to lift. The lower template is provided with material holes which are in one-to-one correspondence with the material holes of the upper template, the lower bracket is in transmission connection with the fourth lifting driving device 21, and the fourth lifting driving device drives the lower bracket 22 to lift so as to realize the lifting of the lower template. The fourth lifting driving device can adopt a double-head cylinder or a double-stroke cylinder, namely, a short stroke is used for matching to perform clamping pieces and a long stroke is used for matching to perform die change. A second positioning device 24 is further arranged between the lower template and the lower support, so that the lower template can be positioned by the second positioning device in a second front mounting groove and a second rear mounting groove of the lower support, the second positioning device can also adopt the matching of positioning holes and positioning pins, the positioning holes can be arranged on the lower template, the positioning pins (such as spring pins) are arranged on the lower support, and the positioning pins on the lower support can be aligned to the positioning holes on the lower die frame and then pinned for positioning.

An ejector rod 30 is arranged below the material hole, the ejector rod 30 is arranged on a mounting plate 31, the mounting plate 31 is driven by a lifting power device 32 to lift, the ejector rod pushes up in the lower direction, a plastic product on a plastic sheet is ejected out to be demoulded, and the plastic product is ejected into the material hole. The ejector rod can be also provided with a mold core. The lifting power device can adopt a motor to be matched with a gear rack for transmission, the mounting plate is connected with the rack 33, and the mounting plate is also connected to the vertical guide rail to be matched with the vertical guide rail for lifting.

Claims

1. Clamping piece drawing of patterns stacking mechanism, including cope match-plate pattern (1), its characterized in that: the material holes (2) and the positioning guide rods (3) are distributed on the upper template (1), the positioning guide rods (3) are arranged at the edges of the material holes (2), the positioning guide rods (3) are vertically arranged, the positioning guide rods (3) are also provided with the anti-retreat devices (4), the grabbing devices (5) are also arranged above the upper template (1), each grabbing device (5) comprises an upper mounting plate (6), a lower mounting plate (7) and a turnover grabbing hook (8), a first lifting driving device (34) is arranged on the lower mounting plate (7), the first lifting driving device is in transmission connection with the upper mounting plate (6), a hollow tube (9) is arranged on the lower mounting plate (7), the hollow tube (9) corresponds to the edges of the material holes (2), a sliding mandrel (10) is arranged in the hollow tube (9), the sliding mandrel (10) is arranged on the upper mounting plate (6), the turnover grabbing hook (8) is arranged at the lower end of the hollow tube (9), the sliding mandrel (10) is in transmission connection with the overturning grabbing hook (8), a moving frame (11) moving back and forth is arranged on the rack, a second lifting driving device (12) is arranged on the moving frame (11), and the second lifting driving device (12) is in transmission connection with the lower mounting plate (7).

2. The clip stripping and stacking mechanism of claim 1, wherein: the anti-retreat device (4) is provided with an upper layer and a lower layer.

3. The clip stripping and stacking mechanism of claim 1, wherein: the first lifting driving device comprises a first air cylinder, and the first air cylinder is connected between the upper mounting plate and the lower mounting plate.

4. The clip stripping and stacking mechanism of claim 1, wherein: the upper mounting plate (6) is also connected with a guide rod, the lower mounting plate (7) is provided with a guide hole, the guide hole is connected with the guide rod, the guide rod is also provided with a limiting device, the limiting device is positioned below the lower mounting plate, and a spring is arranged between the limiting device and the lower mounting plate.