阅读说明：本技术 一种耐用的双螺杆挤出机筒体 (Durable double screw extruder barrel ) 是由 杨全峰 于 2020-06-24 设计创作，主要内容包括：本发明公开了一种耐用的双螺杆挤出机筒体,包括机筒,所述机筒顶部外壁开设有“8”字状的通道,且机筒两侧内壁均留有内腔,所述机筒两侧外壁中部均开设有通口,且通口的内壁活动链接有固定杆,且固定杆位于内腔的一端外壁固定有推板,所述内腔靠近通道的一侧内壁中部开设有弹头状出油口,且弹头状出油口的内壁塞接有弹头状密封塞,所述弹头状出油口的出口处内壁固定有密封环。本发明设置了内腔可在内腔内注入润滑油,可定期的通过推拉固定杆将内腔内的润滑油通过弹头状注油口注入通道内,对机筒内壁的通道进行润滑,延长其是使用寿命。(The invention discloses a durable double-screw extruder barrel which comprises a barrel, wherein an 8-shaped channel is formed in the outer wall of the top of the barrel, inner cavities are reserved in the inner walls of two sides of the barrel, openings are formed in the middle parts of the outer walls of the two sides of the barrel, a fixing rod is movably linked to the inner wall of each opening, a push plate is fixed to the outer wall of one end, located in the inner cavity, of each fixing rod, a bullet-shaped oil outlet is formed in the middle part of the inner wall of one side, close to the channel, of the inner cavity, a bullet-shaped sealing plug is connected to the inner wall of the bullet-shaped oil outlet in a plugging mode, and a sealing ring is fixed to the inner wall of the outlet of the bullet-shaped oil outlet. The lubricating oil injection device is provided with the inner cavity, lubricating oil can be injected into the inner cavity, the lubricating oil in the inner cavity can be injected into the channel through the bullet-shaped oil injection port through the push-pull fixing rod regularly, the channel on the inner wall of the machine barrel is lubricated, and the service life of the lubricating oil injection device is prolonged.)

1. The utility model provides a durable double screw extruder barrel, includes barrel (2), its characterized in that, barrel (2) top outer wall sets up passageway (3) of "8" word form, and barrel (2) both sides inner wall all leaves inner chamber (4), barrel (2) both sides outer wall middle part all has seted up the opening, and the inner wall active link of opening has had dead lever (5), and dead lever (5) are located the one end outer wall of inner chamber (4) and are fixed with push pedal (8), one side inner wall middle part that inner chamber (4) are close to passageway (3) has seted up bullet form oil-out, and the inner wall of bullet form oil-out has plugged in bullet form sealing plug (15), the exit inner wall of bullet form oil-out is fixed with sealing ring (17), and bullet form the joint cooperation with sealing ring (17) near the one end of sealing ring (17) of sealing plug (15), bullet form sealing plug (15) and push pedal (8) fixed connection, the outer wall of one end, far away from the machine barrel (2), of the fixing rod (5) is fixed with a fixing block (6), and the outer wall of the top of the fixing block (6) is provided with a bayonet.

2. The durable double-screw extruder barrel body is characterized in that a T-shaped sliding groove is formed in the outer wall of one side, located above the fixing rod (5), of the barrel body (2), a T-shaped sliding block is connected to the inner wall of the T-shaped sliding groove in a sliding mode, an L-shaped clamping plate (9) is fixed to the outer wall of one end of the T-shaped sliding block, and the L-shaped clamping plate (9) is in clamping fit with the bayonet.

3. The durable double-screw extruder barrel body is characterized in that a fixing plate (10) is fixed on the outer wall of one side, located above the T-shaped sliding groove, of the barrel body (2), a threaded hole is formed in the outer wall of the top of the fixing plate (10), a screw rod (11) is screwed into the inner wall of the threaded hole, and the outer wall of the bottom of the screw rod (11) is fixedly connected with the L-shaped clamping plate (9) through a bearing.

4. The durable double-screw extruder barrel body according to claim 1, wherein the inner wall of one side of the inner cavity (4) close to the fixing plate (10) is provided with two symmetrically distributed through holes, and rubber stoppers (12) are plugged on the inner wall of the through holes.

5. The durable double-screw extruder barrel body according to claim 1, wherein the connecting plates (1) are fixed on the outer wall of the top and the outer wall of the bottom of the barrel (2), the connecting holes (14) are formed in the outer wall of the periphery of each connecting plate (1) and are distributed equidistantly, and the outer wall of the middle of each connecting plate (1) is provided with an opening matched with the channel (3).

6. The durable double-screw extruder barrel body according to claim 1, wherein sealing gaskets (7) are arranged at the joint of the inner wall of the inner cavity (4) and the fixing rod (5) and the joint of the outer wall of the barrel (2) and the fixing rod (5), two rubber rings (16) are sleeved on the outer wall of the bullet-shaped sealing plug (15), and an annular groove matched with the rubber rings (16) is formed in the inner wall of the bullet-shaped oil outlet.

Technical Field

The invention relates to the technical field of double-screw extruders, in particular to a durable double-screw extruder barrel.

Background

The double-screw extruder is developed on the basis of a single-screw extruder, and has the characteristics of good feeding performance, mixing plasticizing performance, exhaust performance, extrusion stability and the like, so that the double-screw extruder is widely applied to the forming processing of extruded products at present, most of the barrels of the double-screw extruder are short in service life, the wear resistance of the inner wall of the barrels is poor, the barrels are damaged, the integral replacement is required, the maintenance cost is high, and the use is very inconvenient.

Disclosure of Invention

The invention aims to solve the defects in the prior art and provides a durable double-screw extruder barrel.

In order to achieve the purpose, the invention adopts the following technical scheme:

the utility model provides a durable double screw extruder barrel, includes the barrel, the passageway of "8" word form is seted up to barrel top outer wall, and barrel both sides inner wall all leaves the inner chamber, the opening has all been seted up at barrel both sides outer wall middle part, and the inner wall active link of opening has the dead lever, and the dead lever is located the one end outer wall of inner chamber and is fixed with the push pedal, the inner chamber is close to one side inner wall middle part of passageway and has been seted up bullet form oil-out, and the inner wall of bullet form oil-out has plugged in bullet form sealing plug, the exit inner wall of bullet form oil-out is fixed with the sealing ring, and the bullet form sealing plug be close to the one end of sealing ring and form the joint cooperation with the sealing ring, bullet form sealing plug and push pedal fixed connection, the one end outer wall that the barrel was kept away from to the dead lever is fixed with the fixed block, and the bayonet socket has been seted up to the top outer wall of fixed block.

Preferably, the outer wall of one side of the machine barrel, which is located above the fixing rod, is provided with a T-shaped sliding groove, the inner wall of the T-shaped sliding groove is connected with a T-shaped sliding block in a sliding mode, an L-shaped clamping plate is fixed to the outer wall of one end of the T-shaped sliding block, and the L-shaped clamping plate and the bayonet form clamping fit.

Preferably, a fixing plate is fixed on the outer wall of one side, located above the T-shaped sliding groove, of the machine barrel, a threaded hole is formed in the outer wall of the top of the fixing plate, a screw is connected to the inner wall of the threaded hole in a threaded mode, and the outer wall of the bottom of the screw is fixedly connected with the L-shaped clamping plate through a bearing.

Preferably, the inner wall of one side that the inner chamber is close to the fixed plate is seted up two symmetric distribution's opening, and the inner wall of opening has connect the rubber buffer in the stopper.

Preferably, the outer wall of the top and the outer wall of the bottom of the machine barrel are both fixed with connecting plates, the outer walls of the periphery of the connecting plates are provided with connecting holes distributed at equal intervals, and the outer wall of the middle of the connecting plates is provided with openings matched with the channels.

Preferably, the joints of the inner wall of the inner cavity and the fixed rod and the joints of the outer wall of the machine barrel and the fixed rod are both provided with sealing gaskets, the outer wall of the bullet-shaped sealing plug is sleeved with two rubber rings, and the inner wall of the bullet-shaped oil outlet is provided with an annular groove matched with the rubber rings.

The invention has the beneficial effects that:

1. the durable double-screw extruder barrel is provided with the inner cavity, lubricating oil can be injected into the inner cavity, the lubricating oil in the inner cavity can be periodically injected into the channel through the bullet-shaped oil injection port by pushing and pulling the fixed rod, the channel on the inner wall of the barrel is lubricated, and the service life of the barrel is prolonged;

drawings

FIG. 1 is a schematic view of a vertical cross-section of a durable twin-screw extruder barrel according to the present invention;

FIG. 2 is an enlarged view of A in FIG. 1;

fig. 3 is a schematic top view of a durable twin-screw extruder barrel according to the present invention.

In the figure: the sealing device comprises a connecting plate 1, a machine barrel 2, a channel 3, an inner cavity 4, a fixing rod 5, a fixing block 6, a sealing gasket 7, a pushing plate 8, a clamping plate 9L, a fixing plate 10, a screw 11, a rubber plug 12, a connecting hole 14, a bullet-shaped sealing plug 15, a rubber ring 16 and a sealing ring 17.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments.

Referring to fig. 1-3, a durable double-screw extruder barrel comprises a barrel 2, an 8-shaped channel 3 is arranged on the outer wall of the top of the barrel 2, inner walls on two sides of the barrel 2 are provided with inner cavities 4, an opening is arranged in the middle of the outer walls on two sides of the barrel 2, a fixing rod 5 is movably linked with the inner wall of the opening, a push plate 8 is fixed on the outer wall of one end of the fixing rod 5, which is positioned in the inner cavity 4, a bullet-shaped oil outlet is arranged in the middle of the inner wall of one side of the inner cavity 4, which is close to the channel 3, a bullet-shaped sealing plug 15 is plugged in the inner wall of the bullet-shaped oil outlet, a sealing ring 17 is fixed on the inner wall of the outlet of the bullet-shaped oil outlet, one end of the bullet-shaped sealing plug 15, which is close to the sealing ring 17, is in clamping fit with the sealing ring 17, the bullet-shaped sealing plug 15 is fixedly connected with the push plate 8, a fixing block 6 is fixed on the outer wall of one end of the fixing rod 5, which is far away from the barrel 2, and a bayonet is arranged on the outer wall of the top of the fixing block 6, the outer wall of one side of the machine barrel 2, which is positioned above the fixed rod 5, is provided with a T-shaped sliding groove, the inner wall of the T-shaped sliding groove is connected with a T-shaped sliding block in a sliding manner, the outer wall of one end of the T-shaped sliding block is fixedly provided with an L-shaped clamping plate 9, the L-shaped clamping plate 9 is matched with a bayonet in a clamping manner, the outer wall of one side of the machine barrel 2, which is positioned above the T-shaped sliding groove, is fixedly provided with a fixed plate 10, the outer wall of the top of the fixed plate 10 is provided with a threaded hole, the inner wall of the threaded hole is screwed with a screw rod 11, the outer wall of the bottom of the screw rod 11 is fixedly connected with the L-shaped clamping plate 9 through a bearing, the inner wall of one side, which is close to the fixed plate 10, of the inner cavity 4 is provided with two symmetrically distributed through holes, the rubber plugs 12 are plugged in the through holes, the outer walls of the top and the bottom of the machine barrel 2 are both fixedly provided with connecting plates 1, the outer walls of the periphery of the connecting plates 1 are provided with connecting holes 14 which are distributed equidistantly, the outer walls of which are provided with openings matched with channels 3, the joint of the inner wall of the inner cavity 4 and the fixing rod 5 and the joint of the outer wall of the machine barrel 2 and the fixing rod 5 are both provided with sealing gaskets 7, the outer wall of the bullet-shaped sealing plug 15 is sleeved with two rubber rings 16, and the inner wall of the bullet-shaped oil outlet is provided with an annular groove matched with the rubber rings 16.

The working principle is as follows: open rubber buffer 12 and pour into appropriate amount lubricating oil into to inner chamber 4, during the use, rotate screw rod 11 and let L shape cardboard 9 and bayonet socket separation, then promote dead lever 5 repeatedly and drive push pedal 8 with the lubricating oil injection channel 3 in the inner chamber 4 in, give certain lubrication of channel 3, improve barrel 2's life, rubber ring 16 on the bullet form sealing plug 15 cooperates with the ring channel of bullet form oiling mouth, the leakproofness of the inner chamber 4 of further reinforcing.

The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and the technical solutions and the inventive concepts thereof according to the present invention should be equivalent or changed within the scope of the present invention.