CN100528505C - Energy-saving compact type vacuum extrusion machine - Google Patents

Abstract

An energy-saving compact vacuum extruder, which includes a reducer (1), a pneumatic clutch (2), a slider coupling (3), an extrusion shaft (19), a driving gear (15), a driven gear (5 ), gear (6), active stirring shaft (4), passive stirring shaft (26), Huff mixing knife (8), vacuum chamber (11), mud pressing plate (12), extrusion cylinder (13), machine Head (14), extrusion auger (21), upper, middle and lower casing (22), (23), (25), support (24) and hopper (7); Its key is: power machine (18 ) output shaft pulley (17) drives the pneumatic clutch pulley (2) located at the input shaft end of the reducer (1) through the transmission belt 16, and the output shaft of the reducer drives the extrusion shaft (19) through the slider coupling (3) Rotation; at the same time, the driving gear (15) mounted on the rear of the extrusion shaft drives the passive gear (5) to rotate the active stirring shaft (4), and the passive stirring is driven by the coaxial gear (6) with the driving gear (15) Axle (26) relatively rotates. The invention changes the deficiency of multiple motor drives and high energy consumption of the current two-stage vacuum extruder, optimizes the transmission mode, reduces mechanical friction, and achieves the purpose of high efficiency and energy saving.

Description

Energy saving compact vacuum extruder

technical field

The invention belongs to the technical field of mechanical manufacturing, in particular to the technical field of brick and tile mechanical manufacturing.

Background technique

The traditional brick-making equipment in our country is formed by extrusion, which is commonly referred to as a screw extruder. This equipment is divided into two categories: a two-stage vacuum extruder and a non-vacuum extruder. , improving the plasticity of raw materials, so that various raw materials can be used to produce hollow products of various specifications, but the main reason for its slow promotion is that the structure is complex, the volume is large, the energy consumption is high, and the cost is high. Small and medium-sized brick factories are difficult to accept. Although the structure of the non-vacuum extruder is simple and the cost is low, its Achilles heel is that it can only produce clay solid bricks. It has been tolerated by people's environmental awareness and national regulations and policies, and it is just around the corner to be eliminated.

Contents of the invention

The object of the present invention is to provide an energy-saving and compact vacuum extruder with improved structure, so as to overcome the defects of large volume and high energy consumption of existing extruders.

An energy-saving and compact vacuum extruder, which includes a reducer, a pneumatic clutch, a slider coupling, an extrusion shaft, a driving gear, a passive gear, a gear, an active stirring shaft, a passive stirring shaft, a Huff stirring knife, a vacuum Chamber, mud pressing board, extrusion cylinder, machine head, extrusion auger, upper, middle and lower boxes, machine base and hopper; In the mixing box, the vacuum chamber is located on the upper part of the extrusion auger and connected with it, the side of the vacuum chamber is connected with the mixing box, the mud pressing plate is located in the vacuum chamber and on the upper part of the upper box; the extrusion cylinder is connected to the upper box and one end of the middle box Connection, the machine head is installed at the end of the extrusion cylinder; the key is: the output shaft wheel of the power machine drives the pneumatic clutch at the input shaft end of the reducer through the transmission belt, and the output shaft of the reducer drives the extrusion shaft to rotate through the slider coupling; At the same time, the driving gear mounted on the back of the extrusion shaft drives the passive gear to make the active stirring shaft rotate, and the passive stirring shaft rotates relatively through the gear coaxial with the driving gear.

The upper, middle and lower boxes in the present invention adopt an axially integrated structure. The extrusion shaft, the active stirring shaft and the passive stirring shaft are through shafts without steps, which ensures the high-precision concentricity of the extrusion shaft, the active stirring shaft and the passive stirring shaft, and the stability of the whole machine is good.

The extrusion shaft, active stirring shaft and passive stirring shaft are equipped with protective shaft sleeves at the parts in contact with the brick-making raw materials, which ensures the high strength of each shaft, and makes the shafts free of wear, greatly improving the service life.

The joints A, B and C of the extrusion shaft, the active stirring shaft, the passive stirring shaft, the upper, middle and lower boxes and the bearings of the vacuum chamber all adopt a combination of dynamic and static, and a combination of rigidity and flexibility. And the sealing effect is guaranteed by adjusting the tightness of the gland. The combined sealing mechanism is composed of a flexible element packing, a rubber sealing ring, a felt ring, and a rigid element labyrinth seat, a labyrinth cover, and a bearing sleeve cup. The labyrinth seat is located in the bearing sleeve cup and is covered with a labyrinth cover for the felt ring. Fixed; there is a rubber sealing ring between the bottom of the bearing sleeve cup and the gland, and the bottom of the gland is placed with a flexible element packing and fixed with screws.

Both the inner wall of the half cylinder and the extrusion cylinder are equipped with split bushings, and a plurality of lining strips are arranged axially on the inner wall of the bushing. All parts in contact with brick making materials are equipped with protective tiles and bushes made of wear-resistant materials; the surface of the working parts such as stirring teeth and reamers is sprayed with wear-resistant surface layer and coated with tungsten carbide layer. It can not only protect the cylinder body from wear, but also overcome the undesirable phenomenon of radial rotation of the mud during the extrusion process.

Beneficial effects of the present invention:

1. Change the lack of multiple motor drives and high energy consumption of the current two-stage vacuum extruder, optimize the transmission mode, reduce mechanical friction, and achieve the purpose of high efficiency and energy saving.

2. Adopt an intensive and compact structure, integrate transmission components, reduce non-functional space, reduce production costs, and achieve the goal of high quality and low price.

3. In view of the new characteristics of the current brick and tile production, the whole machine is made of all steel, and the main parts and vulnerable parts are made of high-quality wear-resistant steel, and are treated with advanced technology to improve the machine's ability to use different brick-making raw materials and products of various specifications. Adaptability; enable small and medium-sized brick factories, which account for about 70% of brick and tile production, to afford it and use it well, promote technological progress in the industry, and accelerate the realization of the goal of wall material reform.

The present invention compares its characteristics with background technology:

1. The energy-saving effect is obvious, which saves 25% power compared with the double-stage vacuum extruder with the same specification and output.

2. Reduce the cost (including materials, processes and purchased parts, etc.) by 30%, that is, save 30% of equipment investment for users.

3. The overall performance (technical level, service life, ability to apply raw materials, product quality, etc.) has improved significantly year-on-year.

4. It is easy to promote. Due to the advantages of the machine's performance and price, it is especially suitable for the technical transformation needs of small and medium-sized brick factories. Special technical training), so the market is wide and the demand is strong, so that manufacturers and users can achieve a win-win situation.

Description of drawings

Fig. 1 is a schematic cross-sectional view of the structure of the present invention.

Fig. 2 is a schematic top view of the structure of the present invention.

Fig. 3 is a schematic diagram of the transmission structure of the present invention.

Fig. 4 is a left side view of Fig. 1 .

Fig. 5 is an enlarged view of A in Fig. 1 .

Detailed ways

Accompanying drawing 1-5 has provided the specific embodiment of the present invention.

An energy-saving compact vacuum extruder, which includes a reducer 1, a pneumatic clutch 2, a slider coupling 3, an extrusion shaft 19, a driving gear 15, a driven gear 5, a gear 6, an active stirring shaft 4, and a passive stirring shaft Shaft 26, Huff mixing knife 8, vacuum chamber 11, mud pressing plate 12, extrusion cylinder 13, machine head 14, extrusion auger 21, upper, middle and lower boxes 22, 23, 25, machine base 24 and Hopper 7; the hopper 7 is located at the top of the mixing box 36 and communicated with it, the active stirring shaft 4 and the passive stirring shaft 26 are installed in the mixing box 36, the vacuum chamber 11 is located at the top of the extrusion auger 21 and communicated with it, the side of the vacuum chamber 11 Connected with the mixing box 36, the mud pressing plate 12 is located in the vacuum chamber and on the upper part of the upper box body; the extrusion cylinder 13 is connected with one end of the upper box body 22 and the middle box body 23, and the machine head 14 is installed at the end of the extrusion cylinder 13; The key is: the output shaft wheel 17 of the power machine 18 drives the pneumatic clutch pulley 2 located at the input shaft end of the reducer 1 through the transmission belt 16, and the output shaft of the reducer drives the extrusion shaft 19 to rotate through the slider coupling 3; The driving gear 15 at the rear of the extrusion shaft drives the driven gear 5 to make the driving stirring shaft 4 rotate, and the gear 6 coaxial with the driving gear 15 drives the passive stirring shaft 26 to rotate relatively. The upper, middle and lower boxes 22, 23, 25 adopt an axially integrated structure. The extrusion shaft 19, the active stirring shaft 4, and the passive stirring shaft 26 are through shafts without steps. On the extrusion shaft 19, the active stirring shaft 4 and the passive stirring shaft 26, shaft guards 10, 27 are installed at the contact parts with the brick making raw materials, and the extrusion shaft 19, the active stirring shaft 4 and the passive stirring shaft 26 are connected with the upper, Middle and lower casings 22, 23, 25 and the bearing joints A, B, and C of the vacuum chamber 11 all adopt dynamic and static combinations, a combined sealing mechanism that combines rigidity and flexibility. And by adjusting the tightness of the gland 35 to ensure the sealing effect. Split bushes 20 are installed on the inner walls of the half cylinder and the extrusion cylinder 13, and a plurality of lining strips are axially arranged on the inner walls of the bushes. All parts in contact with brick making materials are equipped with protective tiles and bushes made of wear-resistant materials; the surface of the working parts such as stirring teeth and reamers is sprayed with wear-resistant surface layer and coated with tungsten carbide layer.

The combined sealing mechanism structure is shown in accompanying drawing 5, and it is made up of flexible element packing 29, rubber sealing ring 30, felt ring 31, and rigid element labyrinth seat 32, labyrinth cover 33, bearing sleeve cup 34. The labyrinth seat 32 is located in the bearing sleeve cup 34 and is covered with a felt ring 31 and fixed with a labyrinth cover 33; a rubber sealing ring 30 is placed between the bottom of the bearing sleeve cup 34 and the gland 35, and a flexible element packing is placed at the bottom of the gland 35 After 29, fix it with screws.

The main improvements of the present invention are:

1. Use a single motor and a set of transmission mechanism to simultaneously drive the upper and lower stages to run harmoniously at different speeds.

2. The functional box and the supporting and fixing parts are combined to avoid or reduce the pure truss parts.

3. Shaft parts are designed without steps to ensure sufficient rigidity and strength.

4. All parts that are in contact with brick-making raw materials are equipped with protective tiles and bushes made of wear-resistant materials; working parts such as stirring teeth and reamers are sprayed with tungsten carbide.

5. The combined sealing technology is used to reduce mechanical friction and improve the vacuum degree of brick making.

6. For the parts that need to be opened and closed frequently during the user's use, they are all designed in splits, and the main working status is equipped with a digital display instrument.

The working principle of the present invention is described with reference to accompanying drawing 1-5:

1. The motor 18 rotates the reducer 1 through the V-belt 16, and the power after the two-stage deceleration passes through the slider coupling 3 to make the reamer shaft 19 work, and the driving gear 15 drives the gears 5 and 6 to make the two stirring shafts simultaneously Work.

2. The raw materials (shale, coal gangue, clay, etc.) processed by the previous process enter the mixing box 36 through the hopper 7, and the 4 pairs of stirring teeth 27 installed on the two stirring shafts 5 and 6 stir them again and transport them to the The huff mixing knife 8 is forcefully squeezed by two pairs of huff mixing knives into the vacuum chamber 11. After vacuum treatment, the mud material is pumped into the mud squeezing box 22 cavity by the mud pressing plate 12, and continuously kneaded and pushed by the multi-stage auger 21. Under the joint action of mud cylinder 13 and machine head 14, form the brick adobe strip of predetermined specification through mouthpiece (because of specifications are various, not marked in the figure) again, after being cut into brick adobe through other machinery that is matched with it.

Claims (7)

1, a kind of energy-saving compact type vacuum extrusion machine, it comprises reductor (1), pneumatic clutch (2), oldham coupling (3), extrude axle (19), a driving gear (15), driven gear (5), gear (6), initiatively shaft (4), passive shaft (26), Hough stir cutter (8), vacuum chamber (11), soil compressing plate (12), extrude cylinder (13), head (14), extruding screw conveyer (21), upper, middle and lower casing (22), (23), (25), support (24) and hopper (7); Hopper (7) is positioned at agitator tank (36) top and is communicated with it, initiatively shaft (4), passive shaft (26), be installed in the agitator tank (36), vacuum chamber (11) is positioned at extruding screw conveyer (21) top and is communicated with it, vacuum chamber (11) side is communicated with agitator tank (36), and soil compressing plate (12) is positioned at vacuum chamber and on upper box top; Extrude cylinder (13) and be connected with middle casing (23) one ends with upper box (22), head (14) is installed in extrudes cylinder) (13) end; It is characterized in that: the wheel output shaft (17) of engine (18) drives the pneumatic clutch belt wheel (2) that is positioned at reductor (1) input shaft end by driving-belt 16, and the output shaft of reductor drives by oldham coupling (3) and extrudes axle (19) rotation; Simultaneously make initiatively by being assemblied in driving gear (15) the transmission driven gear (5) of extruding a rear portion that shaft (4) rotates, and by relatively rotating with the coaxial passive shaft of gear (6) transmission (26) of driving gear (15).

2, energy-saving compact type vacuum extrusion machine according to claim 1 is characterized in that: axial integrative-structure is adopted in upper, middle and lower casing (22), (23), (25).

3, energy-saving compact type vacuum extrusion machine according to claim 1 is characterized in that: extruding axle (19), active shaft (4) and passive shaft (26) is wheel chair access axis.

4, according to claim 1 or 3 described energy-saving compact type vacuum extrusion machines, it is characterized in that: extruding axle (19), active shaft (4), the last protective shaft sleeve (10,27) that is equipped with at the position that contacts with brick-making raw material of passive shaft (26).

5 energy-saving compact type vacuum extrusion machines according to claim 1, it is characterized in that: extrude axle (19), active shaft (4) and passive shaft (26) and combine A, B, C place with the bearing of upper, middle and lower casing (22), (23), (25) and vacuum chamber (11), all adopt and be association of activity and inertia the combination sealing mechanism of tempering toughness with gentleness.

6, energy-saving compact type vacuum extrusion machine according to claim 5 is characterized in that described combination sealing mechanism is made up of flexible member packing (29), rubber seal (30), felt collar (31) and stiffener labyrinth seat (32), labyrinth lid (33), bearing a set of cups (34); Labyrinth seat (32) is positioned at that to be with felt collar (31) on bearing a set of cups (34) and its fixing with labyrinth lid (33); Be equipped with rubber seal (30) between bearing a set of cups (34) bottom and the gland (35), be screwed after flexible member packing (29) is placed in gland (35) bottom.

7, energy-saving compact type vacuum extrusion machine according to claim 1 is characterized in that: at the Hough cylinder with extrude cylinder (13) inwall opposite opened lining (20) all is housed, the lining inwall axially is provided with many lead-ins.

8,, it is characterized in that at all and the contacted parts of brick-making raw material all equipped with protecting watt of making of high-abrasive material, lining according to claim 1 or 4 described energy-saving compact type vacuum extrusion machines; Stir tooth, reamer class workpiece surface spray wearing coat plating carbide layers.

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