CN211616549U

CN211616549U - Feeding device of extruder

Info

Publication number: CN211616549U
Application number: CN201922420281.7U
Authority: CN
Inventors: 施一民
Original assignee: Hangzhou Yile Rubber And Plastic Co ltd
Current assignee: Hangzhou Yile Rubber And Plastic Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-10-02
Anticipated expiration: 2029-12-27

Abstract

The utility model relates to the technical field of rubber extrusion equipment, in particular to an extruder feeding device, which comprises a hopper, two pressing wheels which are rotatably connected in the hopper and a driving motor which is arranged on the hopper and used for driving the pressing wheels to rotate, wherein the pressing wheels comprise a roller shaft which is rotatably connected on the hopper and a rolling sleeve which is coaxially sleeved on the roller shaft, the rolling sleeve is axially and slidably connected with the roller shaft, and a limiting structure which is used for limiting the roller shaft and the rolling sleeve to relatively move along the circumferential direction of the roller shaft is also arranged between the rolling sleeve and the roller shaft; the hopper is provided with a taking port for taking the rolling sleeve, and the taking port is covered with a sealing door. The utility model discloses can roll the sleeve through opening the door of taking and dismantling, and then clear up the rubber that rolls sleeve surface adhesion to improve feed arrangement's feeding efficiency.

Description

Feeding device of extruder

Technical Field

The utility model belongs to the technical field of rubber extrusion equipment technique and specifically relates to a feeding device of extruder is related to.

Background

An extruder is a device for extruding and molding a rubber raw material subjected to hot refining through an extrusion head, and is widely applied to the field of rubber processing. The rubber material after hot refining is generally in a strip shape or a block shape, which is not beneficial to direct extrusion, and the conventional method is to add a side compression roller or a feeding compression roller at a hopper of an extruder to forcibly extrude the rubber material to a material port, so that the extruder is convenient to extrude the rubber material.

Chinese utility model patent with publication number CN205439176U and granted publication date 2016, 8, month and 10 discloses a forced feeding device for rubber single screw extruder, which comprises a feeding box body, a feeding inlet and a feeding outlet are formed on the feeding box body; and the feeding internal mechanism is arranged in the feeding accommodating space and consists of a driving feeding pressure wheel and a driven feeding pressure wheel which are arranged in parallel, wherein the driving feeding pressure wheel is axially divided into a first regular thread section and a first reverse thread section, the driven feeding pressure wheel is axially divided into a second regular thread section and a second reverse thread section, the first regular thread section corresponds to the second reverse thread section, and the first reverse thread section corresponds to the second regular thread section.

In above-mentioned prior art, because the rubber texture is softer, and has certain viscidity, when initiative feeding pinch roller and driven feeding pinch roller extruded rubber raw materials, rubber raw materials easy adhesion in the surface of initiative feeding pinch roller and driven feeding pinch roller, and then blockked up the gap between initiative feeding pinch roller and the driven feeding pinch roller, caused this feed arrangement's feeding efficiency to slow down.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art exists, the utility model aims at providing an extruder feed arrangement can clear up the rubber of the surface adhesion of pinch roller to improve the production efficiency of feed efficiency and extruder.

The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme: a feeding device of an extruder comprises a hopper, two pressing wheels rotationally connected in the hopper and a driving motor arranged on the hopper and used for driving the pressing wheels to rotate, wherein each pressing wheel comprises a roller shaft rotationally connected to the hopper and a rolling sleeve coaxially sleeved on the roller shaft; the hopper is provided with a taking port for taking the rolling sleeve, and the taking port is covered with a sealing door.

Through adopting above-mentioned technical scheme, when needs clear up the pinch roller, can be through opening the closed door, will roll the sleeve and take out from the roller and take out from the mouth of taking to be convenient for clear up the telescopic surface that rolls, and then improve feed mechanism's feed efficiency and the production efficiency of extruder. After the cleaning is finished, the rolling sleeve can be sleeved on the roller shaft again and the sealing door can be closed, so that the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the closed door is embedded in the taking port and is abutted against the inner wall of the taking port; the hopper is provided with a fixing piece for fixing the closing door on the hopper; the closed door is rotatably connected with two fixed bearings on one inward side of the closed door, and each fixed bearing is collinear with the axis of a pinch roller and detachably connected with a rolling sleeve on the pinch roller through a connecting piece.

Through adopting above-mentioned technical scheme, can will two when taking out the sealing door from taking out the mouth roll the sleeve and take out simultaneously with the sealing door, dismantle and change rolling the sleeve through dismantling the connecting piece. When will roll the sleeve dress and return to the hopper in, roll the sleeve and can receive the support of closing the door to reduce the roller and bear the weight of rolling the sleeve, and then the protection roller with roll the sleeve and be difficult for taking place distortion and deformation in the hopper.

The present invention may be further configured in a preferred embodiment as: the connecting piece includes fixed connection in fixed bearing towards the holding ring that rolls sleeve one side and along the fixing bolt on the holding ring of radial threaded connection, roll sleeve and offer the constant head tank that is used for inlaying the holding ring towards one side of fixed bearing, the constant head tank is kept away from and is offered threaded hole on the lateral wall of roller one side, fixing bolt threaded connection is in the screw hole.

Through adopting above-mentioned technical scheme, can be connected rolling sleeve and holding ring through fixing bolt to support rolling sleeve through the holding ring, also improved the stability that the closed door supported rolling sleeve when being convenient for dismantle and install rolling sleeve.

The present invention may be further configured in a preferred embodiment as: a support table is arranged on the inner wall of the taking port, the closed door is abutted against the support table, and one surface of the closed door, which is far away from the support table, is flush with the outer surface of the hopper; the fixed part comprises a rotating rod which is rotatably connected to the outer surface of the hopper through a hinged shaft and a clamping slide block which is fixedly connected to one end of the rotating rod, which is far away from the hinged shaft, a first arc-shaped groove is formed in the outer wall of the hopper, a second arc-shaped groove is formed in the outward side of the closed door, the first arc-shaped groove and the second arc-shaped groove are mutually communicated, the radii of the first arc-shaped groove and the second arc-shaped groove are equal, and the circle center of the first arc-shaped groove and the; the clamping slide block is connected in the first arc-shaped groove or the second arc-shaped groove in a sliding mode and is abutted against the bottom surface of the first arc-shaped groove or the second arc-shaped groove.

Through adopting above-mentioned technical scheme, can make the solid slider of card slide in first arc wall and second arc wall through rotating the bull stick, when the solid slider of card slides to the second arc wall in, through the butt effect of the solid slider of card to second arc tank bottom surface, can be with sealing the door butt on a supporting bench to lock the sealing door, make the sealing door be difficult for droing and then cause the material to leak outward from taking the mouth. When the sealing door is opened, the rotating rod can be rotated, the clamping and fixing sliding block slides to the first arc-shaped groove, so that the limiting effect of the clamping and fixing sliding block on the sealing door is relieved, the sealing door can be opened, the rolling sleeve can be taken out to be cleaned, and the operation is convenient.

The present invention may be further configured in a preferred embodiment as: the clamping slide block comprises a rotating head fixedly connected to the rotating rod and a rotating disc rotatably connected to the rotating head, the cross sections of the first arc-shaped groove and the second arc-shaped groove are both T-shaped, and the rotating disc is embedded in the first arc-shaped groove or the second arc-shaped groove.

Through adopting above-mentioned technical scheme, when the solid slider of card slided, the rolling disc can rotate in first arc wall or second arc wall, is difficult to be blocked to reduce the friction loss between solid slider of card and first arc wall or the second arc wall lateral wall, thereby prolong the life of equipment.

The present invention may be further configured in a preferred embodiment as: one end of the second arc-shaped groove far away from the first arc-shaped groove is communicated with a clamping groove used for clamping and fixing the rotating disc, and an elastic clamping and fixing pad is fixedly arranged on the inner wall of the clamping groove.

Through adopting above-mentioned technical scheme, can locate the rolling disc card in the card solid groove to block solid to the rolling disc through the solid pad of elasticity card, and exert great frictional force to the rolling disc, make the rolling disc be difficult for deviating from in the second arc wall, further improve the stability of being connected between sealing door and the hopper.

The present invention may be further configured in a preferred embodiment as: when the rotating disc is clamped in the clamping groove, the rotating rod inclines downwards from one side close to the hinged shaft to the side far away from the hinged shaft.

Through adopting above-mentioned technical scheme, can make the bull stick when fixing the closed door, be difficult for taking place to rotate under the action of gravity to further improve the butt effect of the solid slider of card to the closed door, make the closed door can cover on the mouth of taking more firmly.

The present invention may be further configured in a preferred embodiment as: the limiting structure comprises a clamping convex strip fixedly connected to the side wall of the roll shaft along the axial direction of the roll shaft and a clamping groove arranged on the inner wall of the rolling sleeve along the axial direction and used for clamping the clamping convex strip.

Through adopting above-mentioned technical scheme, the solid sand grip of card both can follow the relative displacement that circumference restriction rolled sleeve and roller, also can play the guide effect to rolling the sleeve when will rolling the sleeve and install to the roller on, and the convenience is installed and is dismantled rolling the sleeve.

The present invention may be further configured in a preferred embodiment as: the closed door is further provided with a slot, and the roll shaft is inserted into the slot.

Through adopting above-mentioned technical scheme, can support the roller through the lateral wall of slot to make the roller be difficult for taking place crooked because of bearing the dead weight and rolling telescopic weight, and then improve the life of roller.

To sum up, the utility model discloses a following at least one useful technological effect:

1. the utility model discloses in, through setting up the pinch roller into the epaxial sleeve that rolls of roller and cover location, can will roll the sleeve and take out from the mouth of taking through opening the sealing door, and then be convenient for clear up the rubber that rolls the adhesion on the sleeve to improve this feed arrangement's feed efficiency.

2. The utility model discloses in, support rolling the sleeve through the position ring to will roll the sleeve through fixing bolt and fix on the holding ring, can will roll the sleeve and take out along with the sealing door together when taking out the sealing door, and dismantle and install the sleeve through dismantling and installing fixing bolt, it is comparatively convenient to operate.

3. The utility model discloses in, through setting up dwang and the solid slider of card to thereby make the solid slider of card slide in first arc wall and second arc wall and will seal a butt on a supporting bench, and then can more firmly fix sealing the door, and be convenient for open and close sealing the door.

4. The utility model discloses in, through set up the slot on the lateral wall of closed door and wear to locate the slot with the roller, can support with the roller to help improving the life of roller.

Drawings

FIG. 1 is a schematic view of the overall structure of a feeding device of an extruder in an embodiment of the present invention;

FIG. 2 is a schematic structural diagram of the pressing wheel in the embodiment of the present invention;

FIG. 3 is a cross-sectional view of an extruder feed apparatus in an embodiment of the present invention;

FIG. 4 is an enlarged schematic view of portion A of FIG. 3;

FIG. 5 is a schematic view of the closing door and the stationary bearing according to an embodiment of the present invention;

FIG. 6 is a schematic view of the closure door and fastener of the present invention;

fig. 7 is an enlarged schematic view of a portion B in fig. 6.

In the figure, 1, a hopper; 2. a pinch roller; 21. a roll shaft; 22. rolling the sleeve; 23. a limiting structure; 231. clamping and fixing the convex strips; 232. clamping and fixing the groove; 24. positioning a groove; 3. a drive motor; 4. taking the mouth; 41. a support table; 5. a closing door; 51. fixing the bearing; 52. a handle; 53. a slot; 54. a ball bearing; 6. a connecting member; 61. a positioning ring; 62. fixing the bolt; 7. a fixing member; 71. a rotating rod; 72. clamping and fixing the sliding block; 721. rotating the head; 722. rotating the disc; 73. a first arc-shaped slot; 74. a second arc-shaped slot; 75. a clamping groove; 76. and (4) hinging the shaft.

Detailed Description

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

Example (b): the utility model provides an extruder feed arrangement, refers to figure 1, includes hopper 1 and rotates two pinch rollers 2 of connecting in hopper 1, is provided with driving motor 3 at hopper 1 external fixation, and driving motor 3's coaxial fixed connection in a pinch roller 2 of output shaft to drive two pinch rollers 2 through gear drive and rotate to opposite direction synchronous.

Referring to fig. 2, pinch roller 2 includes roller 21 and the sleeve 22 that rolls that the cover was located on roller 21, still is provided with the limit structure 23 that is used for restricting the relative circumferential motion of roller 21 of the sleeve 22 that rolls between roller 21 and the sleeve 22 that rolls, and limit structure 23 includes along roller 21 axial integrative four card solid sand grips 231 that set up on the lateral wall of roller 21 and set up the card solid recess 232 that is used for blocking solid sand grip 231 on rolling sleeve 22 inner wall. The sidewall of the fastening protrusion 231 abuts against the inner wall of the fastening groove 232.

Referring to fig. 3 and 4, the hopper 1 is provided with a taking port 4 for taking out the grinding sleeve 22, the taking port 4 is covered with a closing door 5, and a handle 52 is provided on the outward side of the closing door 5. A support table 41 is fixedly arranged on the inner wall of the taking port 4 along the circumferential direction, the closing door 5 is abutted against the support table 41, and the closing door 5 is flush with the outer surface of the hopper 1 at the moment.

Referring to fig. 4 and 5, two fixing bearings 51 are rotatably connected to one side of the closing door 5 facing the rolling sleeve 22, positioning rings 61 are respectively and fixedly connected to bearing discs of the two fixing bearings 51 along the axial direction of the fixing bearings 51, positioning grooves 24 are formed in the side wall of the rolling sleeve 22 along the circumferential direction, and the positioning rings 61 are embedded in the positioning grooves 24 and abut against the side wall of the positioning grooves 24, so that the rolling sleeve 22 is supported. A threaded hole is further formed in the side wall of the rolling sleeve 22 in the radial direction and a fixing bolt 62 is screwed, and the fixing bolt 62 is screwed to the positioning ring 61 in the radial direction. The retaining ring 61 and the fixing bolt 62 together form the connecting piece 6 for detachably connecting the milling sleeve 22 to the fixed bearing 51.

Referring to fig. 5, a slot 53 is further formed in one side of the closing door 5 facing the pinch roller 2, the slot 53 is located at a center of the fixed bearing 51, a ball 54 is disposed on an inner wall of the slot 53, and the roller shaft 21 is inserted into the slot 53 and supported by the ball 54.

Referring to fig. 6 and 7, two first arc-shaped grooves 73 are symmetrically formed in the two sides of the closing door 5 on the side wall of the hopper 1, two second arc-shaped grooves 74 communicated with the two first arc-shaped grooves 73 are formed in the closing door 5, the cross sections of the first arc-shaped grooves 73 and the second arc-shaped grooves 74 are both T-shaped, the circle centers of the mutually communicated first arc-shaped grooves 73 and the second arc-shaped grooves 74 are the same, the radii of the mutually communicated first arc-shaped grooves 73 and the second arc-shaped grooves 74 are equal, and the hopper 1 is rotatably connected with a hinge shaft 76 perpendicular to the outer surface of the hopper 1 at the circle centers of the two first arc-shaped grooves 73.

Referring to fig. 6 and 7, the hopper 1 is further provided with a fixing member 7 for abutting the closing door 5 against the supporting platform 41 (see fig. 4), the fixing member 7 includes a rotating rod 71 vertically and fixedly connected to the hinge shaft 76 and a clamping slider 72 disposed at an end of the rotating rod 71 away from the hinge shaft 76, the clamping slider 72 includes a rotating head 721 fixedly connected to the rotating rod 71 and a rotating disc 722 rotatably connected to the rotating head 721, and the rotating disc 722 is embedded in the first arc-shaped groove 73 or the second arc-shaped groove 74 and abuts against a bottom surface of the first arc-shaped groove 73 or the second arc-shaped groove 74. A clamping groove 75 is communicated with one end of the second arc-shaped groove 74 far away from the first arc-shaped groove 73, and an elastic clamping pad (not shown) made of rubber is fixedly arranged in the clamping groove 75. When the rotating disc 722 is embedded in the elastic catching pad, the rotating lever 71 is inclined downward from a side close to the hinge shaft 76 to a side far from the hinge shaft 76.

The rotating rod 71 can be rotated by holding the rotating head 721, and the rotating disk 722 can slide in the first arc-shaped slot 73 and the second arc-shaped slot 74. When the two rotating discs 722 slide into the first arc-shaped grooves 73, the limit of the closing door 5 can be released, and the closing door 5 can be taken down from the taking port 4 through the handle 52.

The implementation principle and the using method of the embodiment are as follows:

when the surface of the pressure wheel 2 needs to be cleaned, the rotating head 721 is held by hand to rotate the rotating rod 71, so that the rotating disc 722 slides into the first arc-shaped groove 73 from the second arc-shaped groove 74, the closing door 5 can be horizontally taken down from the taking port 4, the rolling sleeve 22 is drawn out from the roller shaft 21, and the rolling sleeve 22 can be drawn out from the hopper 1. The crush sleeve 22 can be removed from the closure door 5 by removing the fixing bolts 62 to facilitate cleaning of the crush sleeve 22.

After the grinding sleeve 22 is cleaned, the positioning ring 61 is inserted into the positioning groove 24, the positioning ring 61 and the positioning groove 24 are connected by the fixing bolt 62, so that the grinding sleeve 22 and the closing door 5 are connected, and the closing door 5 is mounted on the access opening 4. In the process of putting the closing door 5 back into the access opening 4, the closing door 5 is guided by the interaction between the fastening protrusion 231 and the fastening groove 232, so that the closing door 5 is smoothly loaded into the access opening 4. Then, the rotating rod 71 is rotated to slide the rotating disc 722 into the second arc-shaped groove 74 and the rotating disc is embedded in the elastic clamping pad in the clamping groove 75, so that the closing door 5 can be fixed in the taking port 4 and the closing door 5 is abutted against the supporting table 41, thereby completing the installation of the closing door 5.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. The utility model provides an extruder feed arrangement, includes hopper (1), rotates two pinch rollers (2) of connecting in hopper (1) and sets up and be used for driving pinch roller (2) pivoted driving motor (3) on hopper (1), its characterized in that: the pressing wheel (2) comprises a roller shaft (21) which is rotatably connected to the hopper (1) and a rolling sleeve (22) which is coaxially sleeved on the roller shaft (21), the rolling sleeve (22) is axially and slidably connected to the roller shaft (21), and a limiting structure (23) which is used for limiting the roller shaft (21) and the rolling sleeve (22) to move relatively along the circumferential direction of the roller shaft (21) is further arranged between the rolling sleeve (22) and the roller shaft (21); the hopper (1) is provided with a taking port (4) for taking the rolling sleeve (22), and the taking port (4) is covered with a sealing door (5).

2. An extruder feed apparatus according to claim 1, wherein: the closed door (5) is embedded in the taking port (4) and is abutted against the inner wall of the taking port (4); the hopper (1) is provided with a fixing piece (7) for fixing the closing door (5) on the hopper (1); the closed door (5) is rotatably connected with two fixed bearings (51) on one inward side of the closed door, and each fixed bearing (51) is collinear with the axial lead of one pressing wheel (2) and is detachably connected with a rolling sleeve (22) on the pressing wheel (2) through a connecting piece (6).

3. An extruder feeding device according to claim 2, wherein: connecting piece (6) include fixed connection in fixed bearing (51) towards holding ring (61) of rolling sleeve (22) one side and along fixing bolt (62) on holding ring (61) of radial threaded connection, rolling sleeve (22) offer constant head tank (24) that are used for inlaying and establish holding ring (61) towards one side of fixed bearing (51), set up threaded hole on the lateral wall of roller (21) one side is kept away from in constant head tank (24), fixing bolt (62) threaded connection is in the screw hole.

4. An extruder feeding device according to claim 2, wherein: a support table (41) is arranged on the inner wall of the taking port (4), the closed door (5) is abutted against the support table (41), and one surface, far away from the support table (41), of the closed door (5) is flush with the outer surface of the hopper (1); the fixing piece (7) comprises a rotating rod (71) which is rotatably connected to the outer surface of the hopper (1) through a hinge shaft (76) and a clamping slide block (72) which is fixedly connected to one end, far away from the hinge shaft (76), of the rotating rod (71), a first arc-shaped groove (73) is formed in the outer wall of the hopper (1), a second arc-shaped groove (74) is formed in one outward side of the closed door (5), the first arc-shaped groove (73) and the second arc-shaped groove (74) are communicated with each other, the radii of the first arc-shaped groove and the second arc-shaped groove are equal, and the circle centers of the first arc-shaped groove and the second arc; the clamping slide block (72) is connected in the first arc-shaped groove (73) or the second arc-shaped groove (74) in a sliding mode and is abutted against the bottom surface of the first arc-shaped groove (73) or the second arc-shaped groove (74).

5. An extruder feeding device according to claim 4, wherein: the clamping slide block (72) comprises a rotating head (721) fixedly connected to the rotating rod (71) and a rotating disc (722) rotatably connected to the rotating head (721), the sections of the first arc-shaped groove (73) and the second arc-shaped groove (74) are both T-shaped, and the rotating disc (722) is embedded in the first arc-shaped groove (73) or the second arc-shaped groove (74).

6. An extruder feed apparatus according to claim 5, wherein: one end of the second arc-shaped groove (74) far away from the first arc-shaped groove (73) is communicated with a clamping groove (75) for clamping and fixing the rotating disc (722), and an elastic clamping and fixing pad is fixedly arranged on the inner wall of the clamping groove (75).

7. An extruder feed apparatus according to claim 6, wherein: when the rotating disc (722) is clamped in the clamping groove (75), the rotating rod (71) inclines downwards from one side close to the hinge shaft (76) to one side far away from the hinge shaft (76).

8. An extruder feed apparatus according to claim 1, wherein: the limiting structure (23) comprises a clamping and fixing convex strip (231) which is fixedly connected to the side wall of the roll shaft (21) along the axial direction of the roll shaft (21) and a clamping and fixing groove (232) which is arranged on the inner wall of the rolling sleeve (22) along the axial direction and is used for clamping and fixing the convex strip (231).

9. An extruder feed apparatus according to claim 1, wherein: the closed door (5) is further provided with a slot (53), and the roller shaft (21) is inserted into the slot (53).