CN218477863U - Screw rod bracket of plastic extruding machine - Google Patents

Abstract

The present disclosure relates to an extruder screw bracket, comprising: the bottom of the underframe is provided with a universal wheel set; the lower end of the supporting rod is connected with the bottom frame, and the supporting rod is of a telescopic structure; bearing seat, its upper end with branch is connected, and bearing seat includes that bottom plate and symmetry set up two blocks of curb plates in bottom plate middle part both sides, and two blocks of curb plates all incline to the bottom plate setting, and the lower extreme and the bottom plate of curb plate are articulated, still are equipped with the elastic component between curb plate and the bottom plate, and the elastic component is set up to: the side plates always have the movement trend of rotating towards the middle part; the bottom plate is used for supporting a screw rod of the plastic extruding machine, and the two side plates are used for matching to clamp the screw rod of the plastic extruding machine from two sides; and one end of the elastic bandage is fixedly connected with the upper end of one side plate, and the other end of the elastic bandage is detachably connected with the upper end of the other side plate. This openly can conveniently shift and transportation screw rod, and can effectively fix the screw rod in the transportation, can effectively cushion the collision that the screw rod received in the transportation, reduce the risk that the screw rod damaged because of the collision.

Description

Screw rod bracket of plastic extruding machine

Technical Field

The utility model relates to a extruding machine corollary equipment technical field, concretely relates to extruding machine screw rod bracket.

Background

Extruder screws (hereinafter referred to as screws) are one of the important parts of extruder equipment, and need to be disassembled for cleaning, maintenance and repair after long-term operation. The size and the weight of screw rod are generally great, need carry to corresponding region and clear up the maintenance after taking out, and because the cooperation required precision of screw rod is high, should avoid great external force to strike and collide as far as possible after taking out to avoid damaging the structure of screw rod. At present, the screw rod is taken out through manpower or hoisting equipment, and then the corresponding region is carried through equipment such as a trolley, the operation of the mode is inconvenient, the screw rod is difficult to be effectively fixed, the problem that the screw rod rolls and drops easily in the carrying process is solved, and the screw rod is damaged.

Chinese patent [ 205166353U ] discloses a tear screw bracket device, which through setting up bracket bearing screw with the recess of falling trapezoidal to through the position height of hand wheel regulation bracket, make accessible bracket bearing screw and transportation, but this patent still has following defect in the practical application:

firstly, the bracket only plays a role of bearing the screw, and in the process of transferring and transporting the screw, particularly when the screw is transferred from a production workshop to a cleaning and maintenance workshop, the screw needs to pass through uneven road surfaces such as steps, factory deceleration strips and the like, so that the whole bracket can generate severe vibration, the vibration can enable the screw to jump up and down and roll transversely, the screw and the bracket can generate high-frequency collision, the screw is easy to damage parts such as an external thread edge and the like due to collision, the matching precision of the screw is influenced, and on the other hand, the bracket can not effectively fix the screw, and the screw still has the risk of rolling and falling off the bracket;

secondly, when actually transporting the screw rod, because the length of screw rod is longer, need two brackets bearing screw rod's both ends respectively, then promote two bracket synchronous motion and transport the screw rod, this requires to promote the staff of two bracket motions around the promotion and keeps coordinating, and in actual transportation, the inconsistent phenomenon that leads to one of them bracket to break away from the screw rod of motion of two brackets often appears, and this tip that can make the screw rod falls to ground and leads to the fact the damage.

To sum up, the tear screw rod bracket device open of current patent can the bearing screw rod, nevertheless is difficult to effectively fix the screw rod in the transportation, and the screw rod still has the phenomenon that the collision leads to the damage, and during two bracket transportation screw rods, appears easily with the problem that the screw rod breaks away from.

SUMMERY OF THE UTILITY MODEL

In order to solve the problems of the prior art, the present disclosure aims to provide a screw bracket of an extruder. This openly can conveniently shift and transportation screw rod, and can effectively fix the screw rod in the transportation, can effectively cushion the collision that the screw rod received in the transportation, reduce the risk that the screw rod damaged because of the collision.

The present disclosure describes an extruding machine screw rod bracket, includes:

the bottom of the underframe is provided with a universal wheel set;

the lower end of the strut is connected with the underframe, and the strut is of a telescopic structure so that the extending height of the strut is adjustable;

bearing seat, its with the upper end of branch is connected, bearing seat includes that bottom plate and symmetry set up two blocks of curb plates of bottom plate middle part both sides, two the curb plate all be inclined to the bottom plate sets up, the lower extreme of curb plate with the bottom plate is articulated, the curb plate with still be equipped with the elastic component between the bottom plate, just the elastic component is set up to: the side plates always have a movement trend of rotating towards the middle part; the bottom plate is used for supporting a screw rod of the extruding machine, and the two side plates are matched to clamp the screw rod of the extruding machine from two sides;

and one end of the elastic bandage is fixedly connected with the upper end of one side plate, and the other end of the elastic bandage is detachably connected with the upper end of the other side plate.

Preferably, the supporting rod is a screw rod, a connecting sleeve is arranged at the upper part of the underframe, an internal thread matched with the supporting rod is formed in the connecting sleeve, and the supporting rod is in threaded connection with the connecting sleeve.

Preferably, the screw bracket of the extruding machine further comprises a rotating disc, and the rotating disc and the support rod are arranged coaxially and connected with the support rod and used for driving the support rod to rotate.

Preferably, the supporting rod is a hydraulic telescopic rod, the fixed end of the supporting rod is connected with the bottom frame, and the telescopic end of the supporting rod is connected with the bearing seat.

Preferably, the supporting seat is rotatably connected with the upper end of the supporting rod, and a damping structure is arranged at the connecting position of the supporting seat and the supporting rod.

Preferably, the chassis includes:

the supporting rods are arranged corresponding to the middle of the base plate, and three vertexes of the base plate respectively extend outwards to form three supporting legs;

the universal wheel set comprises three universal wheels, and the three universal wheels are respectively arranged at the tail end positions of the three support legs.

Preferably, a connecting belt is arranged on the underframe, and a snap ring is arranged at the tail end of the connecting belt.

The utility model discloses a extruding machine screw rod bracket, its advantage lies in:

1. according to the screw rod clamping device, the two side plates inclined to the bottom plate are arranged, the elastic piece is arranged between the bottom plate and the side plates, the elastic piece provides elastic force for the side plates to rotate towards the middle part, when the screw rod is arranged on the bearing seat, the lower end of the screw rod is contacted with the bottom plate, the two side edges of the lower part are contacted with the two side plates, the side plates are tightly attached to the outer surface of the screw rod under the action of the elastic piece, the screw rod is clamped from two sides, meanwhile, the screw rod is connected with the side plate on the other side by bypassing the elastic binding band, the fixed screw rod is surrounded from the outer side by the bottom plate, the two side plates and the elastic binding band, the risk that the screw rod falls from the bracket in the transportation process is avoided, and the screw rod is effectively protected; on the other hand, through the arrangement of the elastic part, the elastic bandage and the two side plates, the elastic part enables the side plates to always have the movement trend of rotating towards the middle part, when the screw rod is vibrated to jump up and down, the screw rod is separated from the bottom plate to jump upwards and is separated from the two side plates, at the moment, the elastic part releases elastic potential energy to drive the side plates to rotate towards the middle part until the screw rod is attached to the screw rod, until the screw rod starts to move downwards, in the process that the screw rod moves downwards, the screw rod pushes the two side plates to rotate outwards to compress the elastic part, the downward kinetic energy of the screw rod is converted into the elastic potential energy of the elastic part to be buffered and absorbed by the elastic part, so that the screw rod is buffered and decelerated gradually, the collision of the screw rod with the bottom plate during the vertical jumping is buffered, the collision of the screw rod with the side plates during the transverse rolling can be reduced, and the collision of the screw rod during the transportation process is buffered through the structures of the side plates and the elastic part, and the risk of the damage of the screw rod caused by the collision is reduced or avoided;

2. this openly through set up connecting band and buckle on the chassis, accessible connecting band and buckle are with two bracket connection, can avoid two brackets to appear the too big phenomenon of interval when transporting the screw rod like this, have avoided screw rod tip and bracket separation to lead to pounding the problem on ground.

Drawings

FIG. 1 is a front view of an extruder screw carriage according to the present disclosure;

FIG. 2 is a top view of an extruder screw carriage according to the present disclosure.

Description of reference numerals: 1-underframe, 11-connecting sleeve, 12-chassis, 13-support leg, 2-universal wheel set, 3-support rod, 4-bearing seat, 41-bottom plate, 42-side plate, 43-elastic part, 5-elastic bandage, 6-rotating disk and 7-screw rod of extruding machine.

Detailed Description

As shown in fig. 1 and fig. 2, the present disclosure provides an extruder screw carrier comprising:

chassis 1, its bottom is equipped with universal wheelset 2 to in the bulk movement the screw rod bracket, in the preferred embodiment, the outside cover of universal wheel is equipped with the rubber sleeve, in order to reduce the vibrations that roll in-process screw rod bracket received, and then reduces the vibrations that the screw rod received.

Branch 3, its vertical setting, chassis 1 is connected to the lower extreme, and branch 3 is whole to be extending structure for branch 3 is for chassis 1 stretch out height-adjustable, and then makes the place height-adjustable of 3 upper ends of branch.

A bearing seat 4 connected with the upper end of the support rod 3 and used for bearing a screw 7 of the plastic extruding machine. Specifically, bearing seat 4 includes that bottom plate 41 and symmetry set up two curb plates 42 in bottom plate 41 middle part both sides, and bottom plate 41 is horizontal plate column structure, has the last mesa of parallel and level, and two curb plates 42 all incline in bottom plate 41 settings, and two blocks of curb plates 42's inclination is the same.

The lower end of the side plate 42 is hinged through a hinge or a hole-shaft matching mode, so that the side plate 42 can rotate relative to the bottom plate 41, and the inclination angle of the side plate 42 is further adjusted, so that the side plate 42 can be attached to screws 7 of extruders with different outer diameters.

An elastic member 43 is further provided between the side plate 42 and the bottom plate 41, and the elastic member 43 is configured to: the side plates 42 always have a movement tendency of rotating towards the middle, the bottom plate 41 is used for supporting the extruder screw 7, and the two side plates 42 are used for matching to clamp the extruder screw 7 from two sides.

Specifically, the elastic member 43 is an arc spring, which is disposed between the side plate 42 and the bottom plate 41, one end of the arc spring is connected to the back surface of the side plate 42, the other end of the arc spring is connected to the upper surface of the bottom plate 41, and the elastic force generated by the arc spring is directed to the middle along the rotation direction of the side plate 42, so that the side plate 42 always moves toward the middle. In other possible embodiments, the elastic member 43 may be a flexible metal plate disposed between the side plate 42 and the bottom plate 41 and contacting with the side plate 42 and the bottom plate 41, respectively, similar to an arc spring, or a torsion spring disposed at the hinge position of the side plate 42 and the bottom plate 41.

The elastic binding band 5 is fixedly connected with the upper end of one side plate 42 at one end, and detachably connected with the upper end of the other side plate 42 at the other end, specifically, the elastic binding band 5 can be made of a rubber belt, so that the elastic binding band has certain ductility and can fix the screws 7 of the extruding machines with different outer diameters, and on the other hand, the rubber material is soft, so that the damage to the outer surfaces of the screws when the screws 7 of the extruding machines are fixed can be avoided. The other end of elastic bandage 5 can be dismantled with curb plate 42 through the mode of pin-box complex and be connected, sets up pin-box and box respectively in the tip of elastic bandage 5 and the upper end of curb plate 42, strides elastic bandage 5 and establishes the back in the screw rod top, makes elastic bandage 5 and curb plate 42 fixed through the cooperation of pin-box and box.

Specifically, when the components are required to be arranged above the bearing seat 4 to limit and fix the screw 7 of the extruding machine, the arc-shaped steel plate matched with the screw 7 of the extruding machine is considered to be adopted for fixing, in an actual test, the arc-shaped steel plate is made of rigid materials and cannot be molded, so that the arc-shaped steel plate can only be matched with the screw 7 of the extruding machine corresponding to the outer diameter, the screw 7 of the extruding machine with the smaller outer diameter is difficult to be effectively fixed, a certain gap exists between the arc-shaped steel plate and the screw 7 of the extruding machine, the problem of screw jumping still can occur in the whole moving process of the screw bracket, meanwhile, the arc-shaped steel plate is easy to leave scratches on the surface of the screw to cause screw loss, based on the above reasons, the elastic binding band 5 is considered to be adopted as a fixing part, the elastic binding band has certain ductility, the screw 7 of the extruding machine with different outer diameters can be fixed, deformation and can be closely attached to the screw, the jumping gap between the elastic binding band and the screw can be avoided, the scratches generated in the conveying process of the screw can be reduced, and on the other hand, the soft elastic binding band 5 can also be prevented from leaving scratches on the outer surface of the screw.

The extruder screw carriage of this example was used as follows:

when the screw 7 of the extruding machine is detached and maintained, the extending height of the support rod 3 is adjusted according to the height of the outlet position of the screw 7 of the extruding machine, the bottom plate 41 is enabled to be close to the outlet position of the screw 7 of the extruding machine, then the screw 7 of the extruding machine is pulled out, the screw 7 of the extruding machine is placed on the bottom plate 41 from top to bottom, because the gravity of the screw 7 of the extruding machine is larger than the component force of the elasticity of the two elastic pieces 43 in the vertical direction, the screw can move downwards until the edge of the lower end of the screw is contacted with the bottom plate 41, and in the downward moving process of the screw, the two sides of the lower part of the screw are respectively contacted with the two side plates 42, the two side plates 42 are pushed to rotate outwards and compress the elastic pieces 43, and the elastic pieces 43 accumulate elastic potential energy.

Then the elastic band 5 is pulled to enable the elastic band 5 to cross over the screw rod and be connected with the side plate 42 on the other side, the screw rod bracket is fixedly connected with the end part of the screw rod 7 of the extruding machine through the bottom plate 41, the side plate 42 and the elastic band 5, the freedom of movement of the screw rod 7 of the extruding machine in the radial direction is limited, the screw rod bracket is pushed to continue to be pulled out of the screw rod 7 of the extruding machine, when the screw rod 7 of the extruding machine is pulled out for about 3/4 of the total length, the other screw rod bracket is taken out and is fixedly connected with the other end part of the screw rod 7 of the extruding machine according to the method, the screw rod 7 of the extruding machine is fixedly supported by the front screw rod bracket and the rear screw rod bracket, and the screw rod 7 of the extruding machine can be transported and transferred by moving the two screw rod brackets.

Since the elastic bands 5 have a certain ductility, they may jump upwards and tighten the elastic bands 5 when subjected to a shock during the transportation of the screw, so that the shock in the vertical direction needs to be buffered by the side plates 42 and the elastic members at both sides.

According to the screw rod fixing device, the two side plates 42 inclined to the bottom plate 41 are arranged, the elastic piece 43 is arranged between the bottom plate 41 and the side plates 42, the elastic piece 43 provides elastic force for the side plates 42 to rotate towards the middle part, when the screw rod is arranged on the bearing seat 4, the lower end of the screw rod is in contact with the bottom plate 41, the two side edges of the lower part are in contact with the two side plates 42, the side plates 42 are tightly attached to the outer surfaces of the screw rod under the action of the elastic piece 43, the screw rod is clamped from two sides, meanwhile, the screw rod is connected with the side plate 42 on the other side by bypassing the elastic binding band 5, and the fixing screw rod is surrounded from the outer side by the bottom plate 41, the two side plates 42 and the elastic binding band 5, so that the risk that the screw rod falls from a bracket in the transportation process is avoided, and the screw rod is effectively protected; on the other hand, through the arrangement of the elastic part 43, the elastic bandage 5 and the two side plates 42, the elastic part 43 enables the side plates 42 to always have a movement tendency of rotating towards the middle part, when the screw rod is vibrated to bounce up and down, the screw rod is separated from the bottom plate 41 to bounce upwards and is separated from the two side plates 42, at this time, the elastic part 43 releases elastic potential energy to drive the side plates 42 to rotate towards the middle part until the screw rod is attached to the screw rod, until the screw rod starts to move downwards, in the process of downward movement of the screw rod, the screw rod pushes the two side plates 42 to rotate outwards to compress the elastic part 43, downward kinetic energy of the screw rod is converted into elastic potential energy of the elastic part 43 to be buffered and absorbed by the elastic part 43, the screw rod is buffered and decelerated gradually, the collision of the screw rod with the bottom plate 41 during upward and downward bouncing is buffered, the collision of the screw rod with the side plates 42 during transverse rolling can also be reduced similarly, and the collision of the screw rod during transportation can be buffered through the structures of the side plates 42 and the elastic part 43, so that the risk of damage of the screw rod due to collision can be reduced or avoided.

The telescopic structure of the bar 3 has at least the following two embodiments:

example 1

Branch 3 is the screw rod, and the upper portion of chassis 1 is equipped with adapter sleeve 11, and adapter sleeve 11 is inside to be formed with the internal thread with 3 looks adaptations of branch, branch 3 and 11 threaded connection of adapter sleeve, and threaded connection's structure can make branch 3 reciprocate for chassis 1 simultaneously when rotating branch 3 to adjust the height that stretches out of branch 3, and then adjust the height at place of bearing seat 4, and threaded connection's mode has the advantage that the regulation is convenient, the cooperation is stable.

Further, in this embodiment, the extruder screw carriage further comprises:

the rotary disk 6 is coaxially arranged with the support rod 3 and is connected with the support rod 3, the rotary disk 6 is used for driving the support rod 3 to rotate, and the rotary disk 6 can facilitate the rotation of the support rod 3.

Example 2

Branch 3 is hydraulic telescoping rod, and its stiff end is connected with chassis 1, and flexible end is connected with bearing seat 4, and hydraulic telescoping rod has the support firm, and flexible convenient advantage of adjusting.

Both of the above two embodiments regarding the telescopic structure of the supporting rod 3 can stably support the supporting seat 4 and conveniently adjust the height of the supporting seat 4.

Further, in this embodiment, the upper end of bearing seat 4 and branch 3 is rotated and is connected, and is equipped with the damping structure at the hookup location of bearing seat 4 and branch 3, and is specific, and the angle of bearing seat 4 can be convenient for adjust bearing seat 4 with the rotation connection structure of branch 3, and then makes bearing seat 4 can export with extruding machine screw 7 and aligns, can be convenient for place extruding machine screw 7. The damping structure is a damping coating or friction-increasing teeth, the damping coating is often used for increasing the relative friction force between two rotary connecting parts, such as the joint between a display screen and a keyboard of a notebook computer, so that the two rotary connecting parts can keep relatively static when not subjected to large external force, in the embodiment, the relative friction force between the bearing seat 4 and the upper end of the supporting rod 3 can be increased, so that the bearing seat 4 keeps static when not subjected to large external force, so as to ensure the stable bearing of the screw 7 of the plastic extruding machine, the teeth can be rotated by applying force when the angle of the bearing seat 4 needs to be adjusted, the friction-increasing teeth are slender inclined teeth distributed on the peripheral surface of the connecting position, and the effect of increasing the relative friction force between the bearing seat 4 and the supporting rod 3 can also be achieved.

Further, in the present embodiment, the chassis 1 includes:

the chassis 12 is in a triangular prism shape, the support rods 3 are arranged corresponding to the middle of the chassis 12, and three vertexes of the chassis 12 respectively extend outwards to form three support legs 13 parallel to the horizontal plane direction;

the universal wheel set 2 specifically includes three universal wheels, and three universal wheels set up respectively in the terminal position of three stabilizer blade 13, and above-mentioned structure makes chassis 1 wholly be the tripod structure, has the support firm, and the little advantage of turning radius.

Furthermore, in this embodiment, because the screw bracket is usually used in two combinations when transporting the screw 7 of the extruding machine, there may be a problem that the front and rear screw brackets are not synchronized in movement, and the too large distance results in the separation of the screw bracket from the screw 7 of the extruding machine, therefore, in this embodiment, the connecting band is arranged on the chassis 1, the end of the connecting band is provided with the retaining ring, the retaining ring is a circular ring structure with a notch, the two screw brackets can be connected through the two retaining rings, and further, the maximum distance between the two screw brackets is limited, so that the phenomenon that the too large distance occurs when transporting the screw by the two brackets can be avoided, and the problem that the end of the screw is separated from the bracket to cause the falling of the ground by smashing is avoided.

In the description of the present disclosure, it is to be understood that the orientation or positional relationship indicated by the directional terms such as "front, rear, upper, lower, left, right", "lateral, vertical, horizontal" and "top, bottom", etc., are generally based on the orientation or positional relationship shown in the drawings, and are used for convenience in describing and simplifying the present disclosure, and in the absence of a contrary explanation, these directional terms are not intended to indicate and imply that the device or element being referred to must have a specific orientation or be constructed and operated in a specific orientation, and therefore, should not be considered as limiting the scope of the present disclosure.

Various other modifications and changes may occur to those skilled in the art based on the foregoing teachings and concepts, and all such modifications and changes are intended to fall within the scope of the appended claims.

Claims (7)

1. An extruder screw carrier, comprising:

the bottom of the underframe is provided with a universal wheel set;

the lower end of the strut is connected with the underframe, and the strut is of a telescopic structure so that the extending height of the strut is adjustable;

bearing seat, its with the upper end of branch is connected, bearing seat includes that bottom plate and symmetry set up two blocks of curb plates of bottom plate middle part both sides, two the curb plate all be inclined to the bottom plate sets up, the lower extreme of curb plate with the bottom plate is articulated, the curb plate with still be equipped with the elastic component between the bottom plate, just the elastic component is set up to: the side plates always have a movement trend of rotating towards the middle part; the bottom plate is used for supporting a screw rod of the extruding machine, and the two side plates are matched to clamp the screw rod of the extruding machine from two sides;

and one end of the elastic bandage is fixedly connected with the upper end of one side plate, and the other end of the elastic bandage is detachably connected with the upper end of the other side plate.

2. The extruder screw bracket of claim 1, wherein the supporting rod is a screw, the upper part of the underframe is provided with a connecting sleeve, an internal thread matched with the supporting rod is formed in the connecting sleeve, and the supporting rod is in threaded connection with the connecting sleeve.

3. The extruder screw carrier of claim 2, further comprising a rotating disc disposed coaxially with said rod and connected to said rod for rotating said rod.

4. The extruder screw carrier of claim 1, wherein said support rod is a hydraulic telescoping rod having a fixed end connected to said base frame and a telescoping end connected to said support base.

5. The extruder screw carrier of claim 1, wherein said bearing seat is pivotally connected to the upper end of said strut, and a damping structure is provided at the location where said bearing seat is connected to said strut.

6. The extruder screw carriage of claim 1, wherein the base frame comprises:

the supporting rods are arranged corresponding to the middle of the base plate, and three vertexes of the base plate respectively extend outwards to form three supporting legs;

the universal wheel set comprises three universal wheels, and the three universal wheels are respectively arranged at the tail end positions of the three support legs.

7. The extruder screw carrier of claim 1 or 6, wherein the base frame is provided with a connecting band, and the end of the connecting band is provided with a snap ring.

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