CN210525541U

CN210525541U - Low-speed stirring device for TPV (thermoplastic vulcanizate) raw material pretreatment

Info

Publication number: CN210525541U
Application number: CN201921179475.6U
Authority: CN
Inventors: 陈东旭; 吴强
Original assignee: Jiangsu Bainte New Material Co Ltd
Current assignee: Jiangsu Bainte New Material Co Ltd
Priority date: 2019-07-24
Filing date: 2019-07-24
Publication date: 2020-05-15
Anticipated expiration: 2029-07-24

Abstract

The utility model discloses a TPV raw materials preliminary treatment's low-speed agitating unit uses in TPV production technical field, and its technical scheme main points are: the stirring tank comprises a stirring tank, the top of the stirring tank is provided with two semicircular lifting covers which are hinged with each other and used for sealing the stirring tank, the stirring tank comprises a cylindrical tank body and a conical tank body, the sectional area of the conical tank body is gradually reduced at the lower part of the cylindrical tank body, the conical tank body is provided with a plurality of supporting legs for supporting the stirring tank, the side wall of the conical tank body is provided with a discharging pipe which inclines downwards, a strip-shaped groove is formed in the discharging pipe, a material limiting plate used for controlling the discharging amount is inserted into the strip-shaped groove, the bottom of the conical tank body is also provided with a stirring motor, an output shaft of the stirring motor upwards penetrates; has the technical effects that: can carry out all-round, no dead angle stirring to the TPV raw materials to reach the effect of various raw materials intensive mixing, and realize automatic stirring, use manpower sparingly, improve work efficiency.

Description

Low-speed stirring device for TPV (thermoplastic vulcanizate) raw material pretreatment

Technical Field

The utility model relates to a TPV production technical field, in particular to low-speed agitating unit of TPV raw materials preliminary treatment.

Background

TPV (thermoplastic vulcanate) thermoplastic vulcanizates, also known as polyolefin alloy thermoplastic elastomers. At present, the most common is the mixture of Ethylene Propylene Diene Monomer (EPDM) and polypropylene (PP) materials, and some auxiliary fillers, such as filling powder, oils, etc., which are widely used in the automotive field, the building field, the electronic field, etc.

TPV processing is made and is needed to carry out the multiple operation, and nevertheless first process is just to carry out the preliminary treatment to the raw materials, for the low-speed stirring of raw materials to reach the purpose of various raw materials misce bene, the work degree of difficulty of this kind of raw materials of manual stirring is great, and complex operation and the mixing effect that the stirring reaches are unsatisfactory, seriously influence the quality of later stage TPV product. Therefore, a stirring device capable of achieving a desired mixing effect of the TPV raw material is needed.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a TPV raw materials preliminary treatment's low-speed agitating unit, its advantage is: can carry out all-round, no dead angle stirring to the TPV raw materials to reach the effect of various raw materials intensive mixing, and realize automatic stirring, use manpower sparingly, improve work efficiency.

The above technical purpose of the present invention can be achieved by the following technical solutions: the utility model provides a low-speed agitating unit of TPV raw materials preliminary treatment, includes the agitator tank, the agitator tank top is equipped with two mutual articulations and is used for sealing the semi-circular lid that lifts of agitator tank open end, the agitator tank includes cylindrical jar body and sets up the conical tank body that reduces gradually at cylindrical jar body lower part sectional area from top to bottom, the conical tank body is equipped with a plurality of landing legs that are used for supporting the agitator tank along the periphery, the conical tank lateral wall is equipped with the decurrent discharging pipe of slope, the bar groove has been seted up to the discharging pipe upper wall, bar inslot interpolation has the limit flitch that is used for controlling the discharge, conical tank body bottom still is equipped with agitator motor, agitator motor's output shaft upwards runs through to the conical tank internal to be connected with the size and is greater than the axle sleeve of agitator motor output shaft, the.

Through above-mentioned technical scheme, when needs stir TPV raw materials, at first will lift the lid and open, then pour the raw materials into from the open end of agitator tank, start agitator motor this moment, the output shaft through agitator motor drives the axle sleeve and rotates, and then drives a plurality of L shape stirring leaves and rotate to reach the purpose of various raw materials misce bene, when the stirring is accomplished, upwards stimulate the limit flitch, the raw materials alright discharge from the discharging pipe, thereby accomplish TPV raw materials preliminary treatment process. The discharging amount can be controlled according to the amplitude of pulling the material limiting plate upwards so as to meet the material using requirement; in addition, when the raw materials are stirred, the cover can be lifted and covered again to the opening end of the stirring tank, so that the raw materials are prevented from being splashed out from the top of the stirring tank.

The utility model discloses further set up to: a plurality of equal bolted connection in one side that L shape stirring leaf deviates from each other has the scraper blade, the scraper blade contacts with the agitator tank inner wall.

Through the technical scheme, the scraper plate contacted with the inner wall of the stirring tank is made of polytetrafluoroethylene, so that residual raw materials on the inner wall of the stirring tank can be scraped off to reduce the possibility of wall adhesion; meanwhile, the full stirring in all directions can be achieved, and the condition of dead angles in the stirring process is reduced. In addition, due to the wear resistance and the low friction coefficient of the polytetrafluoroethylene, the service life of the scraper can be prolonged on one hand, and the possibility that the inner wall of the stirring tank is scraped during the rotation process is reduced on the other hand.

The utility model discloses further set up to: the upper surface of the shaft sleeve is fixedly connected with a vertical upward stirring shaft, and one end of the stirring shaft, which is far away from the shaft sleeve, is fixedly connected with a downward-turning stirring paddle.

Through the technical scheme, the downward-turning stirring paddle blade is matched with the L-shaped stirring blade for use, so that the raw materials which are turned upwards in the stirring process of the L-shaped stirring blade can be turned downwards again through the downward-turning stirring paddle blade, and the repeated work is carried out to achieve the effect of fully mixing the raw materials.

The utility model discloses further set up to: the part interference fit that the (mixing) shaft is located between axle sleeve and the formula stirring paddle leaf that turns down is connected with the bearing, the outside cover of bearing is equipped with the bearing frame that is used for supporting the bearing, a plurality of bracing pieces of periphery fixedly connected with are followed to the bearing frame, the inner wall of agitator tank is along periphery still a plurality of and bracing piece matched with connecting plates of fixedly connected with, the one end bolted connection that the bearing frame was kept away from to the bracing piece is on the connecting plate.

Through above-mentioned technical scheme, use bracing piece and bearing at the (mixing) shaft mid portion cooperation to play the effect of supporting the (mixing) shaft, reduce the (mixing) shaft and appear shaking range too big condition at the stirring in-process, ensure (mixing) shaft pivoted stability.

The utility model discloses further set up to: two it is equipped with vertical downward and hug closely the annular separation blade in the agitator tank outer wall to lift the lid along the periphery, annular separation blade is along periphery fixedly connected with a plurality of J shape cards, the agitator tank still is equipped with a plurality of hasps with J shape card matched with along the periphery.

Through above-mentioned technical scheme, vertical downward and hug closely in the annular separation blade of agitator tank outer wall, can further prevent at the stirring in-process, the inside raw materials of agitator tank splashes out. In addition, the connecting rod on the lock catch can be pulled upwards, so that the clamping block at the front end of the lock catch rotates and is clamped with the J-shaped clamping sheet, and the lifting cover is firmly fixed on the top of the stirring tank; similarly, the connecting rod can be pulled downwards, so that the clamping block rotates and is separated from the J-shaped clamping piece, and at the moment, the two lifting covers can be easily detached from the top of the stirring tank, so that the inside of the stirring tank can be cleaned conveniently or the L-shaped stirring blade and the downward-turning stirring blade can be overhauled and replaced conveniently.

The utility model discloses further set up to: and a pulling piece vertical to the material limiting plate is arranged on one side of the material limiting plate outside the discharge pipe.

Through above-mentioned technical scheme, with the mutually vertically pulling-on piece of limit flitch, on the one hand is for the convenience of better upwards lifting of operating personnel and draws the limit flitch, and on the other hand can avoid the limit flitch to fall into in the discharge tube completely to influence the raw materials and normally discharge.

The utility model discloses further set up to: the outer wall of the discharge pipe is wrapped with material blocking cloth along the periphery.

Through above-mentioned technical scheme, the material cloth is expected along the fender of periphery parcel to the discharging pipe outer wall, can reduce at the in-process of blowing, the raw materials leaves the possibility that the discharging pipe splashes everywhere to make things convenient for operating personnel to concentrate and connect the material.

The utility model discloses further set up to: the landing leg bottom is equipped with the universal wheel, install the service brake that is used for restricting the universal wheel removal on the universal wheel.

Through above-mentioned technical scheme, the universal wheel is for promoting the agitator tank better to remove to required position for operating personnel to operating personnel only need step on the service brake, alright remove with the restriction universal wheel, thereby fix the agitator tank steadily, the circumstances of removal appears in the agitator tank when preventing the stirring.

To sum up, the utility model discloses following beneficial effect has:

1. the TPV raw materials can be stirred in all directions without dead angles, so that the effect of fully mixing various raw materials is achieved, automatic stirring is realized, labor is saved, and the working efficiency is improved;

2. the scraper blade contacted with the inner wall of the stirring tank is made of polytetrafluoroethylene, and can scrape off residual raw materials on the inner wall of the stirring tank so as to reduce the possibility of wall adhesion;

3. the downward-turning stirring paddle blade is matched with the L-shaped stirring blade for use, so that raw materials which are turned upwards in the stirring process of the L-shaped stirring blade can be turned downwards again through the downward-turning stirring paddle blade, and the repeated work is carried out to achieve the effect of fully mixing the raw materials.

Drawings

Fig. 1 is a schematic view of the overall structure of the present embodiment.

Fig. 2 is an enlarged view of a portion a in fig. 1.

FIG. 3 is a schematic illustration of a tapping pipe according to the present example.

Fig. 4 is a schematic structural diagram of the present embodiment for embodying the inside of the agitation tank.

Reference numerals: 1. a stirring tank; 101. a cylindrical can body; 102. a conical tank body; 2. lifting the cover; 3. a support leg; 4. a discharge pipe; 5. a strip-shaped groove; 6. a material limiting plate; 7. a stirring motor; 8. a shaft sleeve; 9. an L-shaped stirring blade; 10. a squeegee; 11. a stirring shaft; 12. a downward-turning stirring paddle; 13. a bearing; 14. a bearing seat; 15. a support bar; 16. a connecting plate; 17. an annular baffle plate; 18. a J-shaped card; 19. locking; 20. a pull tab; 21. material blocking cloth; 22. a universal wheel; 23. a foot brake; 24. a connecting rod; 25. and (7) clamping blocks.

Detailed Description

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

Example (b): the utility model provides a low-speed agitating unit of TPV raw materials preliminary treatment, as shown in figure 1 and figure 3, including agitator tank 1, 1 top of agitator tank is equipped with two mutual articulatedly and is used for sealing the semicircular flip 2 of 1 open end of agitator tank, agitator tank 1 includes cylindrical tank body 101 and sets up the tapered tank body 102 that reduces gradually from top to bottom at cylindrical tank body 101 lower part sectional area, tapered tank body 102 is equipped with four landing legs 3 that are used for supporting agitator tank 1 along the periphery, landing leg 3 bottom is equipped with universal wheel 22, install the foot brake 23 that is used for restricting universal wheel 22 and removes on the universal wheel 22, tapered tank body 102 lateral wall is equipped with the decurrent discharging pipe 4 of slope, discharging pipe 4 outer wall has along the periphery parcel fender material cloth 21, bar groove 5 has still been seted up to the discharging pipe 4 upper wall, bar groove 5 interpolation has the material limiting plate 6 that is used for controlling the discharge, one side that material limiting plate 6 is located discharging pipe 4 outward is.

As shown in fig. 1 and 4, the bottom of the conical tank 102 is further provided with a stirring motor 7, an output shaft of the stirring motor 7 penetrates upwards into the conical tank 102, and is connected with a shaft sleeve 8 with a size larger than that of the output shaft of the stirring motor 7, and the shaft sleeve 8 is fixedly connected with four L-shaped stirring blades 9 along the periphery.

As shown in fig. 1 and 4, when the TPV raw material needs to be stirred, the lifting cover 2 is firstly lifted, then the raw material is poured into the stirring tank 1 from the opening end, the stirring motor 7 is started at the moment, the shaft sleeve 8 is driven to rotate through the output shaft of the stirring motor 7, and then the four L-shaped stirring blades 9 are driven to rotate, so that the purpose of uniformly mixing various raw materials is achieved, when the stirring is completed, the material limiting plate 6 is pulled upwards (as shown in fig. 3), the raw material can be discharged from the discharging pipe 4, and the TPV raw material pretreatment process is completed. The discharging amount can be controlled according to the amplitude of pulling the material limiting plate 6 upwards so as to meet the material using requirement; in addition, the lifting cover 2 can be covered again towards the opening end of the stirring tank 1 in the process of stirring the raw materials so as to prevent the raw materials from splashing out of the top of the stirring tank 1.

As shown in fig. 1, the universal wheel 22 is arranged at the bottom of the supporting leg 3 to facilitate the operator to push the stirring tank 1 to move to a desired position better, and the operator only needs to step on the foot brake 23 to limit the movement of the universal wheel 22, so that the stirring tank 1 is stably fixed to prevent the stirring tank 1 from moving during stirring.

Like fig. 3, simultaneously, the material stopping cloth 21 of the outer wall edge periphery parcel of discharging pipe 4 can reduce the in-process of blowing, and the raw materials leaves the possibility that the back of discharging pipe 4 splashes everywhere to make things convenient for operating personnel to concentrate and connect the material.

As shown in fig. 3, in addition, the pull tab 20 perpendicular to the material limiting plate 6 is used for facilitating the operator to better lift the material limiting plate 6 upwards, and can prevent the material limiting plate 6 from completely falling into the material discharging pipe 4, thereby affecting the normal discharge of raw materials.

As shown in fig. 4, a polytetrafluoroethylene scraper 10 contacting with the inner wall of the stirring tank 1 is connected to one side of the L-shaped stirring blades 9 away from each other by bolts, so that residual raw materials on the inner wall of the stirring tank 1 can be scraped off to reduce the possibility of wall adhesion; meanwhile, the full stirring in all directions can be achieved, and the condition of dead angles in the stirring process is reduced. In addition, due to the wear resistance and the low coefficient of friction of the polytetrafluoroethylene, on the one hand, the service life of the scraper 10 can be increased, and on the other hand, the possibility of scraping the inner wall of the stirring tank 1 during rotation is reduced.

As shown in fig. 4, a vertical upward stirring shaft 11 is fixedly connected to the upper surface of the shaft sleeve 8, a downward-turning stirring paddle 12 is fixedly connected to one end of the stirring shaft 11 far away from the shaft sleeve 8, a bearing 13 is connected to a part of the stirring shaft 11 located between the shaft sleeve 8 and the downward-turning stirring paddle 12 in an interference fit manner, a bearing seat 14 for supporting the bearing 13 is sleeved outside the bearing 13, three support rods 15 are fixedly connected to the bearing seat 14 along the periphery, three connecting plates 16 matched with the support rods 15 are fixedly connected to the inner wall of the stirring tank 1 along the periphery, and one end of the support rod 15 far away from the bearing seat 14 is.

As shown in fig. 4, the downward-turning stirring blade 12 is used in cooperation with the L-shaped stirring blade 9, so that the raw materials that are turned upward during the stirring process of the L-shaped stirring blade 9 can be turned downward again by the downward-turning stirring blade 12, and the repeated operation can achieve the effect of fully mixing the raw materials. In addition, the supporting rod 15 and the bearing 13 are matched at the middle part of the stirring shaft 11 to play a role in supporting the stirring shaft 11, so that the condition that the shaking amplitude of the stirring shaft 11 is too large in the stirring process is reduced, and the rotating stability of the stirring shaft 11 is ensured.

As shown in fig. 2 and 4, the two lifting covers 2 are provided with annular blocking pieces 17 along the periphery thereof, which are vertically downward and closely attached to the outer wall of the stirring tank 1, so as to further prevent the raw materials in the stirring tank 1 from splashing out in the stirring process. In addition, the annular blocking piece 17 is fixedly connected with a plurality of J-shaped clamping pieces 18 along the periphery, the stirring tank 1 is also provided with a plurality of lock catches 19 matched with the J-shaped clamping pieces 18 along the periphery, and an operator can pull the connecting rods 24 on the lock catches 19 upwards to enable the clamping blocks 25 at the front ends of the lock catches 19 to rotate and be mutually clamped with the J-shaped clamping pieces 18, so that the lifting cover 2 is firmly fixed at the top of the stirring tank 1; similarly, the connecting rod 24 can be pulled downwards to make the clamping block 25 rotate and separate from the J-shaped clamping block 18, and at this time, the two lifting covers 2 can be easily detached from the top of the stirring tank 1, so as to facilitate the cleaning of the inside of the stirring tank 1 or the maintenance and replacement of the L-shaped stirring blade 9 and the downward-turning stirring blade 12.

The operation process is as follows: when the TPV raw materials need to be stirred, the lifting cover 2 is firstly lifted, then the raw materials are poured into from the opening end of the stirring tank 1, the stirring motor 7 is started at the moment, the shaft sleeve 8 is driven to rotate through the output shaft of the stirring motor 7, and then the four L-shaped stirring blades 9 are driven to rotate, so that the purpose of uniformly mixing various raw materials is achieved, when the stirring is completed, the material limiting plate 6 is upwards pulled, the raw materials can be discharged from the discharging pipe 4, and the TPV raw material pretreatment process is completed.

The present embodiment is only for explaining the present invention, and it is not limited to the present invention, and those skilled in the art can make modifications of the present embodiment with inventive contribution as required after reading the present specification, but all of them are protected by patent law within the scope of the claims of the present invention.

Claims

1. The utility model provides a low-speed agitating unit of TPV raw materials preliminary treatment which characterized in that: comprises a stirring tank (1), the top of the stirring tank (1) is provided with two semicircular lifting covers (2) which are hinged with each other and used for sealing the opening end of the stirring tank (1), the stirring tank (1) comprises a cylindrical tank body (101) and a conical tank body (102) which is arranged on the lower part of the cylindrical tank body (101) and gradually reduces the sectional area from top to bottom, the conical tank body (102) is provided with a plurality of supporting legs (3) used for supporting the stirring tank (1) along the periphery, the side wall of the conical tank body (102) is provided with a downward inclined discharging pipe (4), the upper wall of the discharging pipe (4) is provided with a strip-shaped groove (5), a material limiting plate (6) used for controlling the discharging amount is inserted into the strip-shaped groove (5), the bottom of the conical tank body (102) is also provided with a stirring motor (7), the output shaft of the stirring motor (7) upwards penetrates into the conical tank body (102) and is, the shaft sleeve (8) is fixedly connected with a plurality of L-shaped stirring blades (9) along the periphery.

2. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: a plurality of equal bolted connection in one side that L shape stirring leaf (9) deviate from each other has scraper blade (10), scraper blade (10) contact with agitator tank (1) inner wall.

3. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: the stirring shaft is characterized in that a vertical upward stirring shaft (11) is fixedly connected to the upper surface of the shaft sleeve (8), and one end, far away from the shaft sleeve (8), of the stirring shaft (11) is fixedly connected with a downward-turning stirring paddle (12).

4. The low-speed stirring device for the pretreatment of TPV raw material according to claim 3, characterized in that: part interference fit that (mixing) shaft (11) are located between axle sleeve (8) and the formula stirring paddle leaf that turns over down (12) is connected with bearing (13), bearing (13) outside cover is equipped with bearing frame (14) that are used for supporting bearing (13), a plurality of bracing pieces of periphery fixedly connected with (15) are followed in bearing frame (14), the inner wall of agitator tank (1) is along periphery still fixedly connected with a plurality of and bracing piece (15) matched with connecting plate (16), the one end bolted connection of bearing frame (14) is kept away from in bracing piece (15) is on connecting plate (16).

5. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: two it is equipped with vertical downward and hugs closely annular separation blade (17) in agitator tank (1) outer wall to lift lid (2) along the periphery, annular separation blade (17) are along a plurality of J shape cards (18) of periphery fixedly connected with, agitator tank (1) still is equipped with a plurality of hasps (19) with J shape card (18) matched with along the periphery.

6. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: and a pull piece (20) vertical to the material limiting plate (6) is arranged on one side of the material limiting plate (6) positioned outside the discharge pipe (4).

7. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: the outer wall of the discharge pipe (4) is wrapped with material blocking cloth (21) along the periphery.

8. The low-speed stirring device for the pretreatment of TPV raw material according to claim 1, characterized in that: the landing leg (3) bottom is equipped with universal wheel (22), install on universal wheel (22) and be used for restricting service brake (23) that universal wheel (22) removed.