CN212764717U

CN212764717U - Mould changing vehicle for blow molding machine

Info

Publication number: CN212764717U
Application number: CN202021383849.9U
Authority: CN
Inventors: 吕国松; 陈旭阳; 张海艳
Original assignee: Zhejiang Plastic Bote Packaging Co ltd
Current assignee: Zhejiang Plastic Bote Packaging Co ltd
Priority date: 2020-07-14
Filing date: 2020-07-14
Publication date: 2021-03-23
Anticipated expiration: 2030-07-14

Abstract

The utility model relates to a retooling car for blowing machine, set up lifting piece, relative fixed plate on the fixed plate including fixed plate, interval and remove the lifting device of lifting piece along vertical direction, evenly install a plurality of gyro wheels under the fixed plate, each the gyro wheel rotates to be connected in the fixed plate, the lifting device is including installing the first pressure cylinder on the fixed plate, lifting piece upper end forms the lifting platform that supplies the mould to place. This application has the effect that reduces handling cost.

Description

Mould changing vehicle for blow molding machine

Technical Field

The application relates to the field of mold transportation, in particular to a mold changing vehicle for a blow molding machine.

Background

The blow molding process includes extruding or injection molding thermoplastic resin to obtain tubular plastic parison, setting the parison in split mold, closing the mold, introducing compressed air to the parison to expand the parison to the inner wall of the mold, cooling and demolding to obtain hollow products.

In practice, the molds are usually replaced individually due to the high price of the blow molding machine due to the different types or sizes of the plastic products required, and the molds are conventionally loaded by lifting and transporting the molds from the mold racks to the blow molding machine by a special mold crane.

In view of the above-mentioned related art, the inventor thinks that there are the defects that the hoisting mode by the crane is too costly and the manual handling is too laborious.

Disclosure of Invention

In order to reduce the cost of lifting the mold, the application provides a mold changing trolley for a blow molding machine.

The application provides a retooling car for blowing machine adopts following technical scheme:

the utility model provides a retooling car for blowing machine, includes that fixed plate, interval set up lifting piece, relative fixed plate on the fixed plate and remove the lifting device of lifting piece along vertical direction, evenly install a plurality of gyro wheels under the fixed plate, each the gyro wheel rotates to be connected in the fixed plate, the lifting device is including installing the first pressure cylinder on the fixed plate, lifting piece upper end forms the lifting platform that supplies the mould to place.

Through adopting above-mentioned technical scheme, with the mould from the storage rack transfer to the lifting piece on, shift the whole position that needs the installation mould of blowing machine of shifting to the retooling car. And starting the first pressure cylinder, lifting or moving the lifting piece downwards by a piston rod at the end part of the first pressure cylinder according to the position of the blow molding machine, and manually pushing the mold into the blow molding machine to install the mold after the mold is at the horizontal height. Compared with a crane, the crane has the advantages of low hoisting cost, no need of excessive manpower and great convenience.

Preferably, the lifting device further comprises a screw rod in threaded connection with the lifting piece and a guide rod for guiding the lifting piece in the vertical direction, the lower end of the screw rod is rotatably connected to a piston rod of the first pressure cylinder, and the guide rod penetrates through the lifting piece in the vertical direction and is slidably connected to the lifting piece in the vertical direction.

Through adopting above-mentioned technical scheme, through first pressure cylinder with the lifting to required position can reach roughly corresponding effect with the position that needs the installation, but the degree of accuracy is general. The screw rod is installed between the first pressure cylinder and the lifting piece, the position of the lifting piece in the vertical direction can be finely adjusted by rotating the screw rod, the accuracy of the position of the lifting piece is improved, and the die is convenient to install.

Preferably, the lifting piece comprises a lifting part for placing the mold and a limiting part fixedly connected to the lifting part and allowing the guide rod to penetrate through, the limiting part and the guide rod are respectively provided with a group at two sides of the lifting part in the width direction, and the thickness of the limiting part is larger than that of the lifting part.

Through adopting above-mentioned technical scheme, in order to alleviate the quality and reduce the consumptive material, the thickness of lifting portion is the thickness of general panel. But the guide bar is vertical to pass the lifting piece, needs to form the effect of the horizontal spacing vertical direction to the lifting piece, carries out thickening processing to spacing portion, can improve the effect of direction, and the consumptive material is few, and the practicality is higher.

Preferably, the guide rods are fixedly provided with limiting rods, and the limiting rods are simultaneously and fixedly connected to the two guide rods.

Through adopting above-mentioned technical scheme, set up the gag lever post at the guide bar upper end for at the spacing lifting piece of peak, prevent that the lifting piece from surpassing the stroke, the lifting piece breaks away from the guide bar, probably leads to the lifting piece slope, even the mould upset.

Preferably, the screw rod is connected with a piston rod at the end part of the first pressure cylinder through a plane bearing, and the screw rod and the piston rod are both fixedly connected with the plane bearing.

By adopting the technical scheme, the plane bearing has strong bearing capacity, the screw rod and the piston rod can achieve the function of relative rotation due to the relative rotation requirement of the screw rod and the piston rod, the axial bearing capacity of the plane bearing is good, the plane bearing corresponds to the use condition, and the service life is longer.

Preferably, one end of the screw rod, which is far away from the first pressure cylinder, is fixedly connected with a force application rod which is convenient for a user to apply force.

Through adopting above-mentioned technical scheme, force application pole is connected on the screw rod, reaches the effect of being convenient for rotate the screw rod, when rotating the screw rod, to the tangential power of screw rod force application screw rod, the screw rod is driven and is rotated, reaches the ascending effect of lifting piece. After the force application rod is installed, the force arm is increased, and the force application is facilitated under the condition of the same force.

Preferably, one end of the force application rod, which is far away from the screw rod, is in threaded connection with a force application ball for increasing friction.

Through adopting above-mentioned technical scheme, at first the volume of application of force ball is great, directly can reach the effect of the application of force of being convenient for to application of force ball application of force, and application of force ball also has the effect of increase frictional force, skids when preventing the palm application of force. The application of force ball is can dismantle the setting, can be according to changing it, selects the size that adapts to the palm size more.

Preferably, the lifting member is provided with a second cylinder for horizontally moving the mold.

Through adopting above-mentioned technical scheme, behind lifting to required height, need artifically to pass the mould to the blowing machine in, reach the effect of being convenient for install. However, the mold has a large mass, and a large amount of effort is still required for manual pushing. After the second pressure cylinder is installed, the mold can be directly pushed into the blow molding machine after the direction is aligned, and finally the position is manually and finely adjusted, so that great convenience is provided.

Preferably, the fixed plate is provided with a weight reduction groove along the thickness direction of the fixed plate, and the upper end of the fixed plate is provided with a storage platform for placing sundries.

Through adopting above-mentioned technical scheme, set up on the fixed plate and subtract heavy groove, can reach and subtract heavy effect, the quality reduces and is convenient for pass, and save material. The surface of the fixed plate can also be used for placing tools required by installing the die, and the practicability is higher.

In summary, the present application includes at least one of the following beneficial technical effects:

1. after the first pressure cylinder pushes the lifting piece to the required height, the mold is manually pushed to enter the blow molding machine for installation, and therefore labor consumption is reduced.

2. The position of the lifting piece is finely adjusted by the screw, so that the accuracy of the lifting position of the lifting piece is improved, and the die is convenient to install.

3. The upper end of the guide rod is provided with a limiting rod for limiting the lifting piece at the highest point to prevent the lifting piece from exceeding the stroke.

Drawings

FIG. 1 is a schematic structural view of the present embodiment;

fig. 2 is an enlarged view of fig. 1 at a.

Description of reference numerals: 10. a fixing plate; 11. a weight reduction groove; 111. a first groove; 112. a second groove; 12. a placement platform; 13. a lifting member; 131. a lifting part; 132. a limiting part; 20. a lifting device; 21. a screw; 22. a guide bar; 23. a first pressure cylinder; 24. lifting the platform; 25. a second pressure cylinder; 26. a flat bearing; 27. a roller; 30. a force application rod; 31. a force application ball; 32. a limiting rod.

Detailed Description

The present application is described in further detail below with reference to figures 1-2.

The traditional mold loading method is to hoist and transport the mold from the mold frame to the blow molding machine for installation by a special mold crane.

The embodiment of the application discloses a retooling car for blowing machine. Referring to fig. 1, the device comprises a fixed plate 10, lifting pieces 13 spaced apart from the fixed plate 10, and a lifting device 20 for moving the lifting pieces 13 in a vertical direction. The upper surface of the lifting piece 13 forms a lifting platform 24 for placing the mould, and a second pressure cylinder 25 for horizontally pushing the mould is arranged on the lifting piece 13. The rollers 27 are mounted at the lower end of the fixing plate 10, one roller 27 is respectively arranged at each of four corners of the fixing plate 10, and the rollers 27 are rotatably connected to the fixing plate 10.

Before the retooling, shift the mould to lifting platform 24 on, the retooling car wholly removes to the blowing machine position, and lifting device 20 starts, with the vertical lifting of lifting piece 13 to required position, then starts second pressure cylinder 25, and second pressure cylinder 25 passes the mould level to the blowing machine in, and the fine adjustment position of operator can install the mould.

Specifically, referring to fig. 1 and 2, the lifting device 20 is located at one side of the lifting member 13 in a length direction, and the lifting device 20 includes a screw 21 connected to the lifting member 13, a guide rod 22 vertically guiding the lifting member 13, and a first pressure cylinder 23 pushing the lifting member 13 in a vertical direction. The screw 21 passes through the lifting piece 13 in the vertical direction, and is screwed to the lifting piece 13. The cylinder body part of the first pressure cylinder 23 is fixedly mounted on the fixed plate 10, the piston rod at the end thereof is connected with the screw rod 21 through the plane bearing 26, and the lower end of the screw rod 21 and the upper end of the piston rod penetrate into the plane bearing 26 and are fixedly connected to the plane bearing 26. The upper end of the screw 21 is fixedly connected with a force application rod 30, the force application rod 30 is perpendicular to the screw 21, one end, far away from the screw 21, of the force application rod 30 is connected with a force application ball 31 in a threaded mode, and the surface of the force application ball 31 is made of rubber materials in order to increase friction.

Guide bar 22 is equipped with two, sets up along lifting 13 width direction interval, and it passes lifting 13 along vertical direction, and sliding connection in lifting 13, and guide bar 22 lower extreme fixed connection is in fixed plate 10, upper end fixedly connected with gag lever post 32, and gag lever post 32 is fixed connection in two guide bar 22 simultaneously. The lifting piece 13 comprises a lifting part 131 for placing the mold and a limiting part 132 fixedly connected to the lifting part 131, the two sides of the limiting part 132 in the width direction of the lifting part 131 are respectively provided with one limiting part 132, the limiting part 132 is a linear bearing, and the thickness of the linear bearing is far greater than that of the lifting part 131.

When the height of the lifting platform 24 is adjusted, the first pressure cylinder 23 is started first, according to the position of the blow molding machine, the piston rod at the end of the first pressure cylinder 23 lifts or moves down the lifting piece 13, and the guide rod 22 vertically guides and horizontally limits the movement of the lifting piece 13 to reach the approximately required horizontal height. The force application ball 31 is held by hand, the force application rod 30 is rotated, the screw rod 21 rotates, and the lifting piece 13 is driven by the rotation of the screw rod 21 to move along the vertical direction at a small distance due to the threaded connection of the lifting piece 13 and the screw rod 21, so that the effect of fine adjustment of the height is achieved.

Specifically, referring to fig. 1, in order to reduce the weight of the mold changing cart, a lightening groove 11 is formed in the fixing plate 10, and the lightening groove 11 is formed in the height direction and is communicated with the lower end surface. The weight reduction groove 11 comprises a first groove 111 and a second groove 112, the first groove 111 is formed along the height, the second groove 112 is formed in the inner wall of the first groove 111, and the vertical projections of the first groove 111 and the second groove 112 are square. The upper end surface of the fixed plate 10 forms a platform 12 for placing sundries.

Before the mold is transferred, the tools required for installing the mold can be placed on the fixed plate 10, and the mold can be transferred synchronously, and when necessary, the operator can take out the mold for use.

The implementation principle of the mold changing vehicle of the blow molding machine in the embodiment of the application is as follows: the mold is transferred to the lifting platform 24, the mold changing cart is moved to the position of the blow molding machine as a whole, and the lifting device 20 is started to vertically lift the lifting piece 13 to the required position. The screw 21 is rotated to fine-tune the height of the lifting platform 24. The second cylinder 25 pushes the mold horizontally into the blow molding machine, and the mold can be installed by finely adjusting the position.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a retooling car for blowing machine which characterized in that: including fixed plate (10), interval setting lifting piece (13), relative fixed plate (10) on fixed plate (10) along vertical direction removal lifting device (20) of lifting piece (13), evenly install a plurality of gyro wheels (27) under fixed plate (10), each gyro wheel (27) rotate to be connected in fixed plate (10), lifting device (20) are including installing first pressure cylinder (23) on fixed plate (10), lifting piece (13) upper end forms lifting platform (24) that supply the mould to place.

2. The mold change cart for a blow molding machine of claim 1, wherein: the lifting device (20) further comprises a screw rod (21) in threaded connection with the lifting piece (13) and a guide rod (22) used for guiding the lifting piece (13) in the vertical direction, the lower end of the screw rod (21) is rotatably connected to a piston rod of a first pressure cylinder (23), and the guide rod (22) penetrates through the lifting piece (13) in the vertical direction and is slidably connected to the lifting piece (13) in the vertical direction.

3. The mold change cart for a blow molding machine of claim 1, wherein: the lifting piece (13) comprises a lifting part (131) for placing the die and a limiting part (132) fixedly connected to the lifting part (131) and allowing the guide rod (22) to penetrate through, the limiting part (132) and the guide rod (22) are respectively provided with a group at two sides of the lifting part (131) in the width direction, and the thickness of the limiting part (132) is larger than that of the lifting part (131).

4. A mold change cart for a blow molding machine as claimed in claim 3, wherein: the guide rod (22) is fixedly provided with a limiting rod (32), and the limiting rod (32) is simultaneously and fixedly connected to the two guide rods (22).

5. The mold change cart for a blow molding machine of claim 2, wherein: the screw rod (21) is connected with a piston rod at the end part of the first pressure cylinder (23) through a plane bearing (26), and the screw rod (21) and the piston rod are both fixedly connected with the plane bearing (26).

6. The mold change cart for a blow molding machine of claim 2, wherein: one end of the screw rod (21) far away from the first pressure cylinder (23) is fixedly connected with a force application rod (30) convenient for a user to apply force.

7. The mold change cart for a blow molding machine of claim 6, wherein: and one end of the force application rod (30) far away from the screw rod (21) is in threaded connection with a force application ball (31) for increasing friction.

8. The mold change cart for a blow molding machine of claim 1, wherein: and a second pressure cylinder (25) for horizontally pushing the die is arranged on the lifting piece (13).

9. The mold change cart for a blow molding machine of claim 1, wherein: a weight reduction groove (11) is formed in the fixing plate (10) along the thickness direction of the fixing plate, and a storage platform (12) used for placing sundries is formed at the upper end of the fixing plate (10).