阅读说明：本技术 齿轮泵式热塑性塑料挤出机 (Gear pump type thermoplastic extruder ) 是由 王桂军 于 2020-11-16 设计创作，主要内容包括：本发明公开了齿轮泵式热塑性塑料挤出机,包括入料斗,上侧齿轮泵,混合导料筒,便拆加热护架结构,下侧齿轮泵,导出管,出料环,从动轮,便拆驱动架结构,传动带和防护罩,所述的入料斗螺钉安装在上侧齿轮泵的上部；所述的混合导料筒螺钉安装在上侧齿轮泵的下部；所述的便拆加热护架结构套接在混合导料筒的外侧；所述的下侧齿轮泵螺钉安装在混合导料筒的下部；所述的导出管螺钉安装在下侧齿轮泵的下部。本发明传动带套接在主动轮和从动轮的外侧,有利于在使用时利用驱动电机通过主动轮利用传动带带动从动轮旋转,以便同时带动上侧齿轮泵以及下侧齿轮泵工作,相比利用两个电机工作能降低功耗。(The invention discloses a gear pump type thermoplastic extruder which comprises a feeding hopper, an upper side gear pump, a mixing guide cylinder, a heating protection frame structure convenient to disassemble, a lower side gear pump, a discharge pipe, a discharge ring, a driven wheel, a driving frame structure convenient to disassemble, a transmission belt and a protection cover, wherein the feeding hopper is mounted at the upper part of the upper side gear pump through a screw; the mixing material guide cylinder is arranged at the lower part of the gear pump at the upper side through a screw; the conveniently-disassembled heating protection frame structure is sleeved outside the mixed material guide cylinder; the lower gear pump screw is arranged at the lower part of the mixing and guiding cylinder; the delivery pipe screw is arranged at the lower part of the lower gear pump. The driving belt is sleeved on the outer sides of the driving wheel and the driven wheel, so that the driving motor is utilized to drive the driven wheel to rotate through the driving wheel and the driving belt when the gear pump is used, the upper gear pump and the lower gear pump are driven to work at the same time, and power consumption can be reduced compared with the mode that two motors are utilized to work.)

1. The gear pump type thermoplastic extruder is characterized by comprising a feeding hopper (1), an upper side gear pump (2), a mixing and guiding cylinder (3), a conveniently-disassembled heating protection frame structure (4), a lower side gear pump (5), a discharge pipe (6), a discharge ring (7), a driven wheel (8), a conveniently-disassembled driving frame structure (9), a driving belt (10) and a protective cover (11), wherein the feeding hopper (1) is installed on the upper part of the upper side gear pump (2) in a screw mode; the mixing and guiding cylinder (3) is mounted at the lower part of the upper gear pump (2) through screws; the conveniently-disassembled heating protection frame structure (4) is sleeved outside the mixing guide cylinder (3); the lower gear pump (5) is mounted at the lower part of the mixing and guiding cylinder (3) through screws; the delivery pipe (6) is mounted at the lower part of the lower gear pump (5) through a screw; the discharging ring (7) is in threaded connection with the lower part of the delivery pipe (6); the driven wheel (8) is respectively connected to the output shaft on the left side of the upper gear pump (2) and the output shaft on the left side of the lower gear pump (5) in a key mode; the conveniently-disassembled driving frame structure (9) is arranged on the inner sides of the upper gear pump (2) and the lower gear pump (5); the easy-to-disassemble driving frame structure (9) comprises a V-shaped mounting frame (91), a fixing pipe (92), a fixing bolt (93), a driving motor (94) and a driving wheel (95), wherein the V-shaped mounting frame (91) is installed on the left side of the lower part of the upper gear pump (2) and the left side of the upper part of the lower gear pump (5) through bolts; the fixed pipe (92) is welded at the middle position of the front side of the V-shaped mounting rack (91); the driving motor (94) is inserted into the inner side of the fixed pipe (92); the driving wheel (95) is connected with the left output shaft of the driving motor (94) in a key mode.

2. The gear pump type thermoplastic extruder as claimed in claim 1, wherein said removable heating frame structure (4) comprises a mounting cover (41), a heat insulation layer (42), a mounting ear plate (43), a bolt and a nut (44) and a red copper electric heating tube (45), said mounting cover (41) is sleeved on the left and right sides of the exterior of the red copper electric heating tube (45); the heat insulation layer (42) is embedded in the inner side of the mounting cover (41); the mounting ear plates (43) are welded at the front end and the rear end of the mounting cover (41).

3. The gear pump type thermoplastic extruder as claimed in claim 2, wherein the red copper electric heating tube (45) is sleeved outside the mixing guide cylinder (3).

4. Gear pump thermoplastic extruder according to claim 2, wherein the screw and nut (44) are screwed on both upper and lower sides of the mounting lug (43).

5. Gear pump thermoplastic extruder according to claim 1, wherein the drive belt (10) is sleeved on the outside of the drive pulley (95) and the driven pulley (8).

6. Gear pump thermoplastic extruder according to claim 1, wherein the protective cover (11) is screwed to the left of the upper gear pump (2) and the lower gear pump (5), respectively.

7. Gear pump thermoplastic extruder according to claim 1, characterized in that the fixing bolt (93) is screwed at the front side connection of the drive motor (94) and the fixing tube (92).

Technical Field

The invention belongs to the technical field of extruders, and particularly relates to a gear pump type thermoplastic extruder.

Background

The general small plastic extruding machine is mostly a screw extruder, and due to the structure reason, when outputting raw materials, the whole screw must rotate together in a cylinder, so that the required power is quite large, and the danger of overhigh heat generated during friction exists, so that forced cooling is needed, and the forced cooling brings power loss, so that the screw extruder has the problems of being irreparable, namely large power and unstable temperature.

But the existing gear pump type thermoplastic extruder has the problems that the existing gear pump type thermoplastic extruder does not have the function of heating the mixing barrel, is inconvenient to disassemble the protective cover and has high power consumption.

Therefore, the gear pump type thermoplastic extruder of the invention is very necessary.

Disclosure of Invention

The technical problem to be solved by the invention is as follows: the utility model provides a gear pump formula thermoplastic extruder to there is not possessing to play the heating function to the mixing drum in solving current gear pump formula thermoplastic extruder, inconvenient dismantlement and the high problem of consumption to the guard shield.

In order to solve the technical problems, the invention adopts the technical scheme that: the gear pump type thermoplastic extruder comprises a feeding hopper, an upper side gear pump, a mixing guide cylinder, a heating protection frame structure convenient to disassemble, a lower side gear pump, a discharge pipe, a discharging ring, a driven wheel, a driving frame structure convenient to disassemble, a transmission belt and a protection cover, wherein the feeding hopper is mounted at the upper part of the upper side gear pump through screws; the mixing material guide cylinder is arranged at the lower part of the gear pump at the upper side through a screw; the conveniently-disassembled heating protection frame structure is sleeved outside the mixed material guide cylinder; the lower gear pump screw is arranged at the lower part of the mixing and guiding cylinder; the delivery pipe screw is arranged at the lower part of the lower gear pump; the discharge ring is in threaded connection with the lower part of the delivery pipe; the driven wheel is respectively connected with an output shaft on the left side of the upper gear pump and an output shaft on the left side of the lower gear pump in a key mode; the easy-to-disassemble driving frame structure is arranged on the inner sides of the upper side gear pump and the lower side gear pump; the easy-to-dismount driving frame structure comprises a V-shaped mounting frame, a fixing pipe, a fixing bolt, a driving motor and a driving wheel, wherein the V-shaped mounting frame bolt is mounted on the left side of the lower part of the upper gear pump and the left side of the upper part of the lower gear pump; the fixed pipe is welded in the middle of the front side of the V-shaped mounting rack; the driving motor is inserted into the inner side of the fixed pipe; the driving wheel is connected to the left output shaft of the driving motor in a key mode.

Preferably, the heating protection frame structure convenient to disassemble comprises an installation cover, a heat insulation layer, an installation ear plate, a bolt nut and a red copper electric heating tube, wherein the installation cover is sleeved on the left side and the right side of the outer part of the red copper electric heating tube; the heat-insulating layer is embedded in the inner side of the mounting cover; the mounting ear plates are welded at the front end and the rear end of the mounting cover.

Preferably, the red copper electric heating tube is sleeved outside the mixing guide cylinder.

Preferably, the bolt and the nut are in threaded connection with the upper side and the lower side of the mounting lug plate.

Preferably, the transmission belt is sleeved on the outer sides of the driving wheel and the driven wheel.

Preferably, the protection casing screw installation respectively in the left side of upside gear pump and downside gear pump.

Preferably, the fixing bolt is in threaded connection with the front side connecting part of the driving motor and the fixing pipe.

Preferably, the driving motor is a Y2-1 motor.

Compared with the prior art, the invention has the beneficial effects that:

according to the invention, the red copper electric heating tube is sleeved outside the mixing guide cylinder, so that the red copper electric heating tube is beneficial to conveniently heating materials conveyed in the mixing guide cylinder according to requirements when in use.

In the invention, the bolt and the nut are in threaded connection with the upper side and the lower side of the mounting lug plate, so that the bolt and the nut can be conveniently unscrewed from the mounting lug plate during maintenance, and the mounting lug plate and the mounting cover can be conveniently detached and maintained.

In the invention, the transmission belt is sleeved at the outer sides of the driving wheel and the driven wheel, so that the driving motor is utilized to drive the driven wheel to rotate through the driving wheel and the transmission belt when in use, and the upper gear pump and the lower gear pump are driven to work at the same time, and compared with the method that two motors are utilized to work, the power consumption is reduced.

According to the invention, the protective covers are respectively installed on the left sides of the upper side gear pump and the lower side gear pump through screws, so that the protective covers are beneficial to conveniently protecting the driving wheel and the driven wheel when in use, and the influence on normal work caused by collision of the transmission belt is avoided.

In the invention, the fixing bolt is in threaded connection with the front side connecting part of the driving motor and the fixing pipe, so that the driving motor can be conveniently fixed in use, and the fixing bolt can be unscrewed to facilitate the disassembly and maintenance of the driving motor when maintenance is needed.

Drawings

Fig. 1 is a schematic structural view of the present invention.

Fig. 2 is a schematic structural view of the detachable heating protective frame structure of the invention.

Fig. 3 is a schematic structural view of the easy-to-detach driving frame structure of the present invention.

In fig. 1 to 3:

1. feeding into a hopper; 2. an upper gear pump; 3. a mixing and guiding cylinder; 4. the heating protection frame structure is convenient to disassemble; 41. mounting a cover; 42. a heat-insulating layer; 43. mounting an ear plate; 44. a bolt and a nut; 45. a red copper electric heating tube; 5. a lower gear pump; 6. a delivery pipe; 7. discharging rings; 8. a driven wheel; 9. the driving frame structure is convenient to disassemble; 91. a V-shaped mounting rack; 92. a fixed tube; 93. fixing the bolt; 94. a drive motor; 95. a driving wheel; 10. a transmission belt; 11. a shield.

Detailed Description

The invention is further described below with reference to the accompanying drawings:

as shown in fig. 1 and fig. 3, the gear pump type thermoplastic extruder of the present invention comprises a feeding hopper 1, an upper gear pump 2, a mixing and guiding cylinder 3, a heating and protecting frame structure 4 easy to disassemble, a lower gear pump 5, a discharge pipe 6, a discharge ring 7, a driven wheel 8, a driving frame structure 9 easy to disassemble, a transmission belt 10 and a protective cover 11, wherein the feeding hopper 1 is mounted on the upper part of the upper gear pump 2 by screws; the mixing and guiding cylinder 3 is mounted at the lower part of the upper gear pump 2 through screws; the heating protection frame structure 4 convenient to disassemble is sleeved outside the mixing guide cylinder 3; the lower gear pump 5 is mounted at the lower part of the mixing and guiding cylinder 3 through screws; the delivery pipe 6 is mounted at the lower part of the lower gear pump 5 through screws; the discharging ring 7 is in threaded connection with the lower part of the delivery pipe 6; the driven wheel 8 is respectively connected to the output shaft on the left side of the upper gear pump 2 and the output shaft on the left side of the lower gear pump 5 in a key mode; the easy-to-disassemble driving frame structure 9 is arranged on the inner sides of the upper gear pump 2 and the lower gear pump 5; the driving belt 10 is sleeved on the outer sides of the driving wheel 95 and the driven wheel 8, the driving wheel 95 is used for driving the driven wheel 8 to rotate through the driving belt 10 by using the driving motor 94 when the protective cover is used, so that the upper side gear pump 2 and the lower side gear pump 5 can be driven to work simultaneously, power consumption can be reduced compared with the case of using two motors to work, the protective cover 11 is respectively installed on the left sides of the upper side gear pump 2 and the lower side gear pump 5 through screws, the driving wheel 95 and the driven wheel 8 can be protected when the protective cover is used, and the phenomenon that the normal work is influenced due to; the easy-to-detach driving frame structure 9 comprises a V-shaped mounting frame 91, a fixing pipe 92, a fixing bolt 93, a driving motor 94 and a driving wheel 95, wherein the V-shaped mounting frame 91 is mounted on the left side of the lower part of the upper gear pump 2 and the left side of the upper part of the lower gear pump 5 through bolts; the fixed pipe 92 is welded at the middle position of the front side of the V-shaped mounting rack 91; the driving motor 94 is inserted into the inner side of the fixed tube 92; the driving wheel 95 is connected with the left output shaft of the driving motor 94 in a key way; the fixing bolt 93 is in threaded connection with the connecting position of the front side of the driving motor 94 and the fixing pipe 92, the driving motor 94 is convenient to fix in use, and the fixing bolt 93 is unscrewed to facilitate disassembly and maintenance of the driving motor 94 in maintenance.

As shown in fig. 2, in the above embodiment, specifically, the detachable heating protective frame structure 4 includes an installation cover 41, an insulation layer 42, an installation ear plate 43, a bolt and a nut 44, and a red copper electric heating tube 45, where the installation cover 41 is sleeved on the left and right sides of the exterior of the red copper electric heating tube 45; the insulating layer 42 is embedded in the inner side of the mounting cover 41; the mounting ear plates 43 are welded at the front end and the rear end of the mounting cover 41; the red copper electric heating tube 45 is sleeved on the outer side of the mixing material guide cylinder 3, materials conveyed in the mixing material guide cylinder 3 are conveniently heated according to requirements when the red copper electric heating tube is used, the bolt nuts 44 are in threaded connection with the upper side and the lower side of the mounting lug plate 43, the bolt nuts 44 are screwed off from the mounting lug plate 43 during maintenance, and therefore the mounting lug plate 43 and the mounting cover 41 are detached and maintained.

Principle of operation

In the working process, after the power supply is switched on, the driving motor 94 is utilized to drive the driven wheel 8 to rotate through the driving wheel 95 and the driving belt 10, so that the upper gear pump 2 and the lower gear pump 5 are driven to work simultaneously, then raw materials are led into the upper gear pump 2 from the feeding hopper 1, then the raw materials are poured into the inner side of the lower gear pump 5 through the mixing and guiding cylinder 3, meanwhile, the red copper electric heating pipe 45 is utilized to heat materials in the mixing and guiding cylinder 3 according to requirements, finally the raw materials are led out from the discharging ring 7 through the leading-out pipe 6, when maintenance is needed, the bolt nut 44 is detached from the mounting lug plate 43, so that the mounting cover 41 is detached, and meanwhile, the fixing bolt 93 can be unscrewed from the fixing pipe 92, so that a user can detach the driving motor.

The technical solutions of the present invention or similar technical solutions designed by those skilled in the art based on the teachings of the technical solutions of the present invention are all within the scope of the present invention.