CN211251296U

CN211251296U - Injection molding machine and forming machine intermediate station conveying mechanism

Info

Publication number: CN211251296U
Application number: CN201921647922.6U
Authority: CN
Inventors: 陈思楠
Original assignee: CHANGSHENGDA MACHINERY (ZHEJIANG) CO LTD
Current assignee: CHANGSHENGDA MACHINERY (ZHEJIANG) CO LTD
Priority date: 2019-09-29
Filing date: 2019-09-29
Publication date: 2020-08-14
Anticipated expiration: 2029-09-29

Abstract

A kind of injection molding machine and make-up machine intermediate station transport mechanism, including mechanical arm system and multi-level transition mechanism that shifts, the mechanical arm system locates above template of the injection molding machine and receiving the base device of the transition mechanism of multi-level shifting, in the said mechanical arm system, the finger is installed on palm of mechanical arm, the mechanical palm is fixed on mechanical palm fixed seat, the mechanical palm fixed seat walks the fixed seat to connect rotatably from top to bottom through the spindle, the spindle is connected with swing drive assembly used for driving the spindle to rotate; the upper and lower walking fixing seats are connected with a three-axis movement mechanism for realizing upper and lower, front and back, left and right horizontal walking on the track; the multi-level deflection transition mechanism comprises a blank receiving device, an annular track and a turning deflection mechanism. The utility model discloses mechanized operation, efficiency are higher, the cost is lower, product quality stability is better.

Description

Injection molding machine and forming machine intermediate station conveying mechanism

Technical Field

The utility model belongs to cavity former field relates to a transfer mechanism that is used for intermediate station between injection molding machine and the cavity make-up machine.

Background

The hollow forming machine (also called bottle blowing machine) and the injection molding machine are used for producing respective products independently, and the interaction of the hollow forming machine and the injection molding machine needs to be finished through manual packaging, transportation and warehousing. In these links, scratching and deformation of the product cannot be avoided, the failure rate of the machine and the defective rate of the product are greatly increased, and the butt joint of each middle working link consumes time and money.

Disclosure of Invention

In order to overcome the efficiency that has manual operation between injection molding machine and the hollow forming machine lower, the cost is higher, the relatively poor not enough of product quality stability, the utility model provides a mechanized operation, efficiency are higher, the cost is lower, the better injection molding machine of product quality stability and make-up machine intermediate station transport mechanism.

The utility model provides a technical scheme that its technical problem adopted is:

a middle station conveying mechanism of an injection molding machine and a molding machine comprises a manipulator system and a multi-level displacement transition mechanism, wherein the manipulator system is positioned above a template of the injection molding machine and a blank receiving device of the multi-level displacement transition mechanism, the manipulator system comprises a left horizontal guide rail, a right horizontal guide rail, an upper walking guide rail, a lower walking guide rail, an upper walking fixing base, a lower walking fixing base, a mechanical palm and fingers, the fingers are installed on a palm manipulator, the mechanical palm is fixed on the mechanical palm fixing base, the mechanical palm fixing base is rotatably connected with the upper walking fixing base and the lower walking fixing base through a rotating shaft, the rotating shaft is connected with a swing driving assembly for driving the rotating shaft to rotate, and the upper walking fixing base and the lower walking fixing base are connected;

the multi-level deflection transition mechanism comprises a blank receiving device, an annular track and a turnover deflection mechanism, wherein the annular track is provided with blank hole seats which are arranged at equal intervals and used for placing bottle blanks in the forward direction, the blank receiving device is positioned above one side of the annular track, the outer side of the other side of the annular track is provided with the turnover deflection mechanism used for turning over the bottle blanks and placing the bottle blanks upside down on the blank hole seats of the hollow forming machine, the turnover deflection mechanism comprises a turnover platform, a deflection sleeve and a manipulator, the turnover platform is connected with a lifting assembly used for lifting or descending the height of the platform, the deflection sleeve is fixed on fixing seats at two sides of the turnover platform, a rotating rod is positioned at the inner side of the deflection sleeve, two ends of the rotating rod are arranged in bearings of the fixing seats, and a fixing rod at the tail part of the manipulator penetrates through a track, the manipulator has a stroke moving along the axial direction of the rotating rod, the surface of the displacement sleeve is provided with a track for the manipulator to pass through and realize displacement, the distance between one limit position of the adjacent tracks is the distance between the adjacent blank seats of the annular track, and the distance between the other limit position of the adjacent tracks is the interval between the adjacent bottle blanks processed by the hollow forming machine; the rotary rod is connected with a rotating assembly used for driving the rotary rod to rotate.

Further, the lifting assembly comprises a lifting cylinder, and the action end of the lifting cylinder is connected with the bottom of the overturning platform.

Still further, the rotating assembly comprises a rotating cylinder, a rack and a gear, the rotating cylinder is installed on the overturning platform, the action end of the rotating cylinder is linked with the rack, the rack is meshed with the gear, and the gear is sleeved and rolled on the rotating rod.

Furthermore, the manipulator comprises a gas claw, a finger and a fixed rod, wherein the finger is arranged on the gas claw, and the gas claw is fixed on the fixed rod.

An additional track is arranged above the annular track in front of the turnover displacement mechanism in the running direction, a channel for hanging the tube blank is arranged in the middle of the additional track, and the height of the channel is lower than that of a check ring of the tube blank which is positioned in the blank hole seat and is placed in the forward direction.

Preferably, the blank receiving device is sequentially provided with channels for the tube blanks to slide off at intervals, the distances between the upper ends and the lower ends of every two adjacent channels are equal, the distance between the upper ends of every two adjacent channels is the interval between the adjacent bottle blanks processed by the injection molding machine, and the distance between the lower ends of every two adjacent channels is the distance between the adjacent blank-inserting seats of the annular tracks.

Further, the lower extreme of passageway is equipped with the valve plate, the valve plate blocks the passageway lower extreme or keeps away from the blanking cylinder connection of passageway lower extreme with being used for controlling the valve plate.

Furthermore, a positioning strip is arranged on the side edge of the annular track below the channel, the positioning strip is connected with the outer wall of the blank holder on the annular track and used for positioning the gliding tube blank, and the positioning strip is connected with a positioning cylinder used for driving the positioning strip to be close to or far away from the blank holder.

The blank receiving device is of a strainer type structure.

Preferably, the upper end of the channel is larger than the lower end, and the cross section of the channel is conical.

The three-axis movement mechanism comprises a front and rear walking guide rail, an upper and lower walking guide rail and a left and right horizontal guide rail, the upper and lower walking fixing seats are arranged on the upper and lower walking guide rail in a vertically sliding manner, the upper and lower walking fixing seats are connected with an upper and lower walking driving assembly for driving the upper and lower walking fixing seats to slide vertically, the upper and lower walking guide rail is arranged on the front and rear walking guide rail in a vertically sliding manner, and the upper and lower walking guide rail is connected with a front and rear walking driving assembly for driving the upper and lower walking guide rail to move front and back; the front and back walking guide rails can be horizontally and slidably arranged on the left and right horizontal guide rails left and right, and the front and back walking guide rails are connected with a left and right horizontal walking driving assembly used for driving the front and back walking guide rails to horizontally move left and right. Of course, the three-axis motion mechanism may also adopt other modes as long as the function of horizontal walking up and down, back and forth, and left and right can be realized.

The swing driving assembly comprises a speed reducer and a servo motor, the rotating shaft is connected with an output shaft of the speed reducer, and an input shaft of the speed reducer is connected with an output shaft of the servo motor.

The upper and lower walking drive assembly, the front and rear walking drive assembly, the left and right horizontal walking drive assembly and the cylinder are arranged. Of course, other driving methods are possible.

The technical conception of the utility model is as follows: the multi-level transition mechanism that shifts is located the centre of cavity molding machine and injection molding machine, manipulator system gets the base, the pipe places multi-level transition mechanism that shifts and passes through in the transition, insert the pipe on the operation runway aluminium seat in the cavity molding machine by snatching upset shift mechanism again, let the pipe get into the next link of cavity molding machine, this link of action substitution manual work of these movements, pair injection molding machine production pipe production cycle (for example one goes out ten two chambeies) and cavity molding machine (for example one goes out four) blowing bottle production cycle, realize full-automatic intelligent production, let injection molding machine and cavity molding machine zero distance coordinated production.

The blank receiving device is of a strainer type structure, and the tube blank enters from an upper opening and slides to a lower outlet along with the dead weight to realize displacement.

The beneficial effects of the utility model are that: the method has the advantages of mechanical operation, high efficiency, low cost and good product quality stability.

Drawings

FIG. 1 is a schematic view of an intermediate station transfer mechanism for an injection molding machine and a molding machine

FIG. 2 is a schematic diagram of an injection molding machine and robot system, (a) is a front view and (b) is a side view; wherein, 21 is an upper and lower walking guide rail, 22 is a left and right horizontal guide rail, 23 is an injection molding machine, and 24 is a molding machine (bottle blowing machine).

Fig. 3 is a schematic view of a clamping portion of the robot system, where 21 is a vertical movement guide rail, 25 is a vertical movement front end holder, 26 is a machine palm holder, 27 is a machine palm, 281 is a finger 1, 282 is a finger 2, 29 is a speed reducer, and 30 is a servo motor.

Fig. 4 is a side view of fig. 3, where 291 is the cylinder 1 and 292 is the cylinder 2.

Fig. 5 is a schematic view of the swing of fig. 3 through 90 °.

FIG. 6 is a schematic diagram of the actions of the robot, (a) gripping the tube, (b) lifting out of the injection molding machine, (c) rotating the robot (so that the mouth of the tube is facing upward), and (d) moving the robot out of the injection molding machine; (e) the manipulator moves downwards and puts bottle blanks for the first time (six tube blanks on one side) and (f) puts bottle blanks for the second time (six tube blanks on the other side),

FIG. 7 is a schematic diagram of a multi-level indexing transition mechanism.

FIG. 8 is a top view of a multi-level indexing transition mechanism.

Fig. 9 is a schematic view of an initial state of the reverse shift mechanism.

Fig. 10 is a second state diagram of the reverse shift mechanism.

Fig. 11 is a top view of the inverted indexing structure.

Fig. 12 is a side view of the reverse indexing mechanism.

Fig. 13 is a schematic view of a robot.

Fig. 14 is a schematic view of an indexing sleeve.

Detailed Description

The present invention will be further described with reference to the accompanying drawings.

Referring to fig. 1 to 14, an intermediate station conveying mechanism of an injection molding machine and a molding machine comprises a manipulator system and a multi-level shift transition mechanism, wherein the manipulator system is positioned above a template of the injection molding machine and a blank receiving device of the multi-level shift transition mechanism, the manipulator system comprises a left horizontal guide rail, a right horizontal guide rail, an up-down walking fixing seat, a mechanical palm and fingers, the fingers are installed on a palm of the manipulator, the mechanical palm is fixed on the mechanical palm fixing seat, the mechanical palm fixing seat is rotatably connected with the up-down walking fixing seat through a rotating shaft, the rotating shaft is connected with a swing driving assembly for driving the rotating shaft to rotate, and the up-down walking fixing seat is connected with a three-axis movement mechanism for realizing up-down;

The blank receiving device is of a strainer type structure.

In the embodiment, the injection molding machine mold has a structure with ten two cavities and two rows, and fingers on the palm of the manipulator meet the actual design requirements and are required to be controlled independently in a single row. See the relation diagram of the injection molding machine and the manipulator system, wherein the manipulator system is positioned above the injection molding machine template and can horizontally move back and forth, up and down, left and right on the track. The manipulator palm is located the manipulator and walks the front end of a guide rail from top to bottom, has installed speed reducer and servo motor on the front end fixing base, and machinery palm fixing base is connected with the speed reducer spindle nose, is controlled the upset action of whole machinery palm by servo motor. Fingers 1 and 2 on the mechanical palm are respectively controlled to open and close by cylinders 1 and 2 through connecting rods.

Referring to fig. 6, a manipulator palm is vertically inserted into a mold of an injection molding machine, a cylinder 1, 2 controls fingers 1 and 2 to clamp a pipe blank, the manipulator palm is lifted out of the injection molding machine, a servo motor controls the manipulator palm to rotate 90 degrees, a pipe blank mouth faces upwards, the manipulator palm transversely moves out of the injection molding machine, the manipulator palm moves downwards to reach a first blank placing and receiving device, the cylinder 1 controls fingers 1 to open, a row of pipe blanks (six pipe blanks) are released, the manipulator palm continues to move again, the manipulator palm moves to a second blank placing and receiving device, the cylinder 2 controls fingers 2 to open, and another row of pipe blanks (the other six pipe blanks).

The bottle blowing machine has four cycles, the injection molding machine has one cycle, twelve pipe blanks are discharged at one time, so the two are in a 3-time relationship, and the three cycles of the bottle blowing machine are matched with one cycle of the injection molding machine.

Twelve tube blanks are placed in a blank receiving device by the palm of a manipulator (P3 ≠ P2). The blank receiving device is of a strainer type structure, a pipe blank enters from an upper opening and slides to a lower outlet along with self weight, at the moment, in a blow molding action period of a hollow molding machine at the front part, the positioning cylinder 3 moves forward and moves the positioning strip 4 to position twelve hole blank seats 5, the blanking cylinder 1 opens the valve plate 2, twelve branch pipe blanks fall into the hole blank seats 5 (no other pipe blank exists at the twelve hole blank seats 5 right before), the positioning cylinder 3 returns, the positioning strip 4 is separated from the hole blank seats 5, the blanking cylinder 1 returns to the position, the valve plate 2 seals the outlet of the blank receiving device back, and the first variable pitch butt joint is completed.

The aluminum seat 8 on the blow-molding machine rail moves 4P 1 positions per blow-molding machine cycle. The driven wheel disc 9 drives the chain wheels 10 and 6 to move synchronously, and the blank socket seat 5 on the annular track moves 4P 2 positions.

The position changing sleeve 14 is fixed on the fixed seats 20 at two sides of the overturning platform 19, the rotating rod 13 penetrates through the inner sides of the position changing sleeve 14 and is arranged in the bearings of the fixed seats 20 at two sides, the fixing rod 12 of the air claw 7 penetrates through a track gap on the position changing sleeve 14 (see figure 8) and is connected with the rotating rod 13 in series, and the fixing rod 12 can slide on the rotating rod 13 along the track of the position changing sleeve 14. The end of the rotating rod 13 is provided with a gear 17 which is meshed with a rack 16 on the fixed seat 20, and the rack 16 is controlled by a rotating cylinder 15.

The air claw 7 controls a finger 11 to grab four tube blanks from the hole blank seat 5 on the annular track, the lifting air cylinder 18 ascends the overturning platform 19 to separate the tube blanks from the hole blank seat 5, the rotating air cylinder 15 pulls the rack 16 to shift, the air claw 7 rotates along with the rotating rod 13, the distance between the air claws 7 is changed through the track of the shifting sleeve 14, the distance is changed from P2 to P1, the tube blanks are sent to the aluminum seat 8 of the track of the hollow forming machine below the air cylinder 18, and the second pitch-changing butt joint is realized (P2 is not equal to P1). In this way, the blow molding machine operates for three times (in the three periods, the injection molding machine produces pipe blanks, the manipulator grabs the pipe blanks produced by the injection molding machine and puts the pipe blanks into the blank receiving device), twelve pipe blanks on the annular track are taken away and put on the track aluminum seat 8 of the blow molding machine, the blank receiving device is just opposite to the blank cavity seat 5, the positioning cylinder 3 and the blanking cylinder 1 can be operated circularly in the next cavity blow molding action period of the blow molding machine, and 12 branch pipe blanks in the blank receiving device which is kept still can be put into the blank cavity seat 5.

The additional track is used for forcibly separating the tube blank which is not taken away by the air claw 7 from the hollow blank seat 5 and emptying the tube blank in the hollow blank seat 5 to prepare for placing the tube blank in the next circulation.

Claims

1. A middle station conveying mechanism of an injection molding machine and a molding machine is characterized by comprising a manipulator system and a multi-level displacement transition mechanism, wherein the manipulator system is positioned above a template of the injection molding machine and a blank receiving device of the multi-level displacement transition mechanism, the manipulator system comprises an upper and lower displacement fixing seat, a mechanical palm and fingers, the fingers are installed on the palm of the manipulator, the mechanical palm is fixed on the mechanical palm fixing seat, the mechanical palm fixing seat is rotatably connected with the upper and lower displacement fixing seat through a rotating shaft, the rotating shaft is connected with a swing driving assembly for driving the rotating shaft to rotate, and the upper and lower displacement fixing seat is connected with a three-shaft movement mechanism for horizontally displacing front and back, up and down and left and right on a track;

2. The injection molding machine and molding machine intermediate station transfer mechanism of claim 1 wherein said lift assembly comprises a lift cylinder, an actuating end of said lift cylinder being connected to a bottom portion of the flipping platform.

3. The transfer mechanism of an intermediate station of an injection molding machine and a molding machine according to claim 1 or 2, wherein the rotating assembly comprises a rotating cylinder, a rack and a gear, the rotating cylinder is mounted on the turning platform, an actuating end of the rotating cylinder is linked with the rack, the rack is engaged with the gear, and the gear is sleeved on the rotating rod.

4. The injection molding machine and molding machine intermediate station transfer mechanism of claim 1 or 2, wherein the robot comprises a gas claw, a finger, and a fixing bar, the finger being mounted on the gas claw, the gas claw being fixed on the fixing bar.

5. The transfer mechanism of an intermediate station of an injection molding machine and a molding machine according to claim 1 or 2, wherein an additional rail is provided above the endless rail in front of the turning and indexing mechanism in the running direction, and a passage for hanging the tube blank is provided in the middle of the additional rail, and the height of the passage is lower than that of a retainer ring of the tube blank placed in the forward direction in the blank receiving seat.

6. The transfer mechanism of an intermediate station of an injection molding machine and a molding machine as claimed in claim 1 or 2, wherein the blank receiving devices are sequentially provided with channels for the tube blanks to slide down at intervals, the distances between the upper ends and the lower ends of every two adjacent channels are equal, the distance between the upper ends of every two adjacent channels is the interval between the adjacent bottle blanks processed by the injection molding machine, and the distance between the lower ends of every two adjacent channels is the distance between the adjacent blank pockets of the annular track.

7. The injection molding machine and molding machine intermediate station transfer mechanism of claim 6 wherein the lower end of the passageway is provided with a valve plate connected to a blanking cylinder for controlling the valve plate to block or clear the lower end of the passageway.

8. The transfer mechanism of an injection molding machine and a molding machine at an intermediate station as claimed in claim 6, wherein a positioning strip is provided at a side of the endless track below the channel, the positioning strip is connected to an outer wall of the blank holder on the endless track for positioning the tube blank which slides downward, and the positioning strip is connected to a positioning cylinder for driving the positioning strip to approach or leave the blank holder.

9. The injection molding machine and molding machine intermediate station transfer mechanism of claim 6, wherein said blank receiving means is of a strainer type construction.

10. The transfer mechanism for an intermediate station of an injection molding machine and a molding machine according to claim 1 or 2, wherein the three-axis movement mechanism comprises a front and rear travel rail, an upper and lower travel rail, and a left and right horizontal rail, the upper and lower travel holders being slidably mounted up and down on the upper and lower travel rail, the upper and lower travel holders being connected to an upper and lower travel drive assembly for driving the upper and lower travel holders to slide up and down, the upper and lower travel rail being slidably mounted back and forth on the front and rear travel rail, the upper and lower travel rail being connected to a front and rear travel drive assembly for driving the upper and lower travel rail to move back and forth; the front and back walking guide rails can be horizontally and slidably arranged on the left and right horizontal guide rails left and right, and the front and back walking guide rails are connected with a left and right horizontal walking driving assembly used for driving the front and back walking guide rails to horizontally move left and right.