Novel spring back pressure plate

Abstract

The utility model relates to a novel spring backpressure plate which comprises a stacked screw main shaft, a backpressure plate assembly is sleeved outside the stacked screw main shaft, and an auxiliary assembly is arranged on the surface of the backpressure plate assembly. The backpressure plate assembly comprises a first mud pressing plate, the first mud pressing plate is arranged on the surface of the stacked screw main shaft in a sleeving mode, a first plate hub is fixedly connected to the surface of the first mud pressing plate, the first plate hub is connected with the stacked screw main shaft through a bolt, and three screw rods evenly penetrate through the interior of the first mud pressing plate; through the arrangement of the second sludge pressing plate and the spring, the distance between the first sludge pressing plate and the second sludge pressing plate can be effectively adjusted, so that the distance between the second sludge pressing plate and the sludge outlet can be automatically adjusted according to the sludge outlet amount of the stacked screw machine, manual adjustment is not needed, the adjustment convenience is improved, and the working efficiency is improved. And a screw rod and a positioning nut are arranged for connecting the first mud pressing plate and the second mud pressing plate and effectively and stably guiding the second mud pressing plate at the same time, so that the moving stability of the second mud pressing plate is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a spiral machine technology field especially relates to a novel spring back pressure plate. BACKGROUND

[0002] The spiral sludge dewatering machine is short for spiral machine, which is a kind of equipment specially used for sludge treatment. It realizes sludge dewatering by rotating the spiral shaft to push sludge forward and separating sludge and water under the action of gravity. The back pressure plate of the spiral machine is usually located at the end of the spiral shaft, close to the sludge outlet.

[0003] The existing back pressure plate of the spiral machine is usually fixed on the spiral main shaft by using bolts through the threads on the plate hub, so when adjusting, the fixed bolts need to be loosened first, then the back pressure plate is moved along the main shaft for a certain distance, and finally the bolts are tightened to fix, which is time-consuming and laborious. At the same time, due to manual adjustment, when the adjustment is not timely and the sludge output increases, the phenomenon of blockage is easy to occur. In view of this, a novel spring back pressure plate is proposed. UTILITY MODEL CONTENT

[0004] The utility model aims at overcoming the defects of prior art, adapting to the actual needs, providing a novel spring back pressure plate to solve the technical problems that the existing back pressure plate of the spiral machine is usually fixed on the spiral main shaft by using bolts through the threads on the plate hub, so when adjusting, the fixed bolts need to be loosened first, then the back pressure plate is moved along the main shaft for a certain distance, and finally the bolts are tightened to fix, which is time-consuming and laborious. At the same time, due to manual adjustment, when the adjustment is not timely and the sludge output increases, the phenomenon of blockage is easy to occur.

[0005] In order to realize the purpose of the utility model, the technical scheme adopted by the utility model is as follows: a novel spring back pressure plate is designed, which comprises a spiral main shaft, a back pressure plate assembly is externally sleeved on the spiral main shaft, and an auxiliary assembly is arranged on the surface of the back pressure plate assembly.

[0006] The back pressure plate assembly comprises a first sludge pressing plate, the first sludge pressing plate is sleeved on the surface of the spiral main shaft, a first hub is fixedly connected to the surface of the first sludge pressing plate, the first hub is connected with the spiral main shaft through bolts, three screw rods are uniformly penetrated in the first sludge pressing plate, springs are sleeved on the surfaces of the screw rods, positioning nuts are screwed on the surfaces of the screw rods, a second sludge pressing plate is arranged on the outer side of the end of the screw rod, and a second hub is fixedly connected to the surface of the second sludge pressing plate.

[0007] Preferably, the screw rod can move freely in the first sludge pressing plate, and the screw rod and the second sludge pressing plate are connected in screw thread.

[0008] Preferably, the second sludge pressing plate and the first sludge pressing plate form an elastic structure through the spring, and the second sludge pressing plate and the second hub are movably sleeved on the surface of the spiral main shaft.

[0009] Preferably, the auxiliary assembly comprises an upper clamping frame clamped to the outside of the second mud plate, the bottom of the upper clamping frame is attached with a lower clamping frame, a group of clamping blocks are symmetrically arranged on the top of the lower clamping frame, a group of screws are symmetrically arranged in the inside of the group of clamping blocks, and a group of clamping grooves are symmetrically arranged on the inside of the bottom of the upper clamping frame.

[0010] Preferably, the combination of the upper clamping frame and the lower clamping frame is clamped to the outside of the second mud plate, and the inner wall of the middle part of the combination of the upper clamping frame and the lower clamping frame is attached to the outer wall of the main shaft of the screw.

[0011] Preferably, the lower clamping frame and the clamping blocks form a clamping structure, and the upper clamping frame and the clamping blocks form a detachable structure.

[0012] Compared with the prior art, the utility model has the beneficial effects that:

[0013] 1. The utility model discloses a second mud plate and spring are arranged effectively between first mud plate and second mud plate spacing adjustable, thereby can according to the size of the screw machine mud output automatic regulation second mud plate and the distance of sludge outlet, do not need manual regulation, improve the regulation convenience, the setting of screw rod and positioning nut is used for connecting first mud plate and second mud plate, and the second mud plate is effectively stably guided, and the moving stability of the second mud plate is improved.

[0014] 2. In the utility model, the upper clamping frame and the lower clamping frame are arranged on the surface of the second mud plate, so that the sludge directly contacts the upper clamping frame and the lower clamping frame, when the surface of the upper clamping frame and the lower clamping frame is worn and corroded after long-term use, the clamping blocks and the clamping grooves can be separated by detaching the screws, so that the upper clamping frame and the lower clamping frame can be easily detached, and when new upper clamping frame and lower clamping frame are installed, the upper clamping frame and the lower clamping frame are arranged on the surface of the second mud plate, the clamping blocks are inserted into the clamping grooves, and then the screws are fixed, so that the disassembly and assembly convenience is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 It is the whole structure schematic diagram of the utility model;

[0016] Fig. 2 It is the back pressure plate assembly disassembly structure schematic diagram of the utility model;

[0017] Fig. 3 It is the auxiliary assembly disassembly structure schematic diagram of the utility model;

[0018] Fig. 4 It is the auxiliary assembly disassembly structure schematic diagram of the utility model from another angle;

[0019] In the drawing: 1, main shaft of screw; 2, back pressure plate assembly; 3, auxiliary assembly;

[0020] 201, first pressing plate; 202, first plate hub; 203, bolt; 204, screw rod; 205, spring; 206, positioning nut; 207, second pressing plate; 208, second plate hub;

[0021] 301, upper clamping frame; 302, lower clamping frame; 303, clamping block; 304, screw; 305, clamping groove. DETAILED DESCRIPTION

[0022] The utility model is further explained in connection with the drawings and embodiments as follows:

[0023] A novel spring back pressure plate, referring to Figs. 1 to 4 , including stack screw main shaft 1, stack screw main shaft 1 outside is equipped with back pressure plate subassembly 2, back pressure plate subassembly 2 surface is equipped with auxiliary assembly 3;

[0024] back pressure plate subassembly 2 includes first pressing plate 201, first pressing plate 201 is sleeved on the surface of stack screw main shaft 1, and the first pressing plate 201 is fixedly connected with first plate hub 202, and first plate hub 202 is connected with stack screw main shaft 1 by bolt 203, three screw rods 204 are evenly penetrated in the inside of first pressing plate 201, spring 205 is sleeved on the surface of screw rod 204, positioning nut 206 is screwed on the surface of screw rod 204, and the outer side of the end of screw rod 204 is equipped with second pressing plate 207, wherein screw rod 204 can freely move in the inside of first pressing plate 201, and screw rod 204 is connected between second pressing plate 207, and second pressing plate 207 is fixedly connected with second plate hub 208, further, second pressing plate 207 and first pressing plate 201 form elastic structure by spring 205, and second pressing plate 207 and second plate hub 208 are movably sleeved on the surface of stack screw main shaft 1.The utility model discloses the spacing between first pressing plate 201 and second pressing plate 207 can be adjusted effectively by the setting of second pressing plate 207 and spring 205, so that the distance between second pressing plate 207 and sludge outlet can be automatically adjusted according to the size of the sludge output of stack screw machine, manual adjustment is not needed, the adjustment convenience is improved, and the setting of screw rod 204 and positioning nut 206 is used to connect first pressing plate 201 and second pressing plate 207, and effectively guide second pressing plate 207 stably, improve the moving stability of second pressing plate 207.

[0025] Notable is that the auxiliary assembly 3 comprises an upper clamping frame 301 clamped outside the second mud plate 207, and the bottom of the upper clamping frame 301 is attached with a lower clamping frame 302, wherein the combination of the upper clamping frame 301 and the lower clamping frame 302 is matched and clamped outside the second mud plate 207, the middle inner wall of the combination of the upper clamping frame 301 and the lower clamping frame 302 is attached with the outer wall of the main shaft 1 of the screw stack, a set of clamping blocks 303 is symmetrically fixed on the top of the lower clamping frame 302, a set of screws 304 is symmetrically penetrated in the inside of the set of clamping blocks 303, and a set of clamping grooves 305 is symmetrically provided on the inside of the bottom of the upper clamping frame 301, further, the lower clamping frame 302 forms a clamping structure with the clamping blocks 303 and the clamping grooves 305, and the upper clamping frame 301 forms a detachable structure with the clamping blocks 303 and the screws 304.

[0026] Working principle: the upper clamping frame 301 and the lower clamping frame 302 are sleeved on the surface of the second mud plate 207, and the upper clamping frame 301 and the lower clamping frame 302 are fixed by the screws 304, so that the mud directly contacts the upper clamping frame 301 and the lower clamping frame 302, the first mud plate 201 and the second mud plate 207 are connected by the screw rod 204, the spring 205 is sleeved on the surface of the screw rod 204, the initial distance between the auxiliary assembly 3 on the surface of the second mud plate 207 and the mud outlet is adjusted by the positioning nut 206, then the first mud plate 201 is fixed and installed on the surface of the main shaft 1 of the screw stack by the first plate hub 202 and the bolt 203, when the mud output increases, the pressure of the second mud plate 207 and the auxiliary assembly 3 increases, when the pressure is greater than the pressure of the spring 205, the second mud plate 207 and the auxiliary assembly 3 move to the left, so as to realize the purpose of automatically increasing the distance, when the mud output decreases, the pressure of the second mud plate 207 and the auxiliary assembly 3 decreases, when the pressure is less than the pressure of the spring 205, the second mud plate 207 and the auxiliary assembly 3 move to the right, so as to realize the purpose of automatically reducing the distance, without manual adjustment, the adjustment convenience is improved, and when the surface of the upper clamping frame 301 and the lower clamping frame 302 is worn and corroded after long-term use, the clamping blocks 303 and the clamping grooves 305 can be separated by disassembling the screws 304, so as to facilitate quick disassembly of the upper clamping frame 301 and the lower clamping frame 302.

[0027] The utility model discloses an embodiment discloses the better embodiment, but is not limited to this, and the ordinary skill of the art, the spirit of the utility model is appreciated to the above -mentioned embodiment, and different extension and change are made, but as long as not departing from the spirit of the utility model, all are in the protection range of the utility model.

Claims

1. A new type of spring backplate comprising a stack of main shafts (1) characterized in that, The outer sleeve of the stacked screw main shaft (1) is provided with a back pressure plate assembly (2), and the surface of the back pressure plate assembly (2) is provided with an auxiliary assembly (3); The back pressure plate assembly (2) comprises a first mud plate (201) sleeved on the surface of the stacked screw main shaft (1), a first hub (202) fixedly connected to the surface of the first mud plate (201), a bolt (203) connecting the first hub (202) and the stacked screw main shaft (1), three screw rods (204) uniformly penetrating through the inside of the first mud plate (201), a spring (205) sleeved on the surface of the screw rod (204), a positioning nut (206) screwed on the surface of the screw rod (204), and a second mud plate (207) provided on the outer side of the end of the screw rod (204), wherein the surface of the second mud plate (207) is fixedly connected with a second hub (208).

2. A new spring backer plate as claimed in claim 1, characterized in that, The screw rod (204) can freely move in the first mud plate (201), and the screw rod (204) and the second mud plate (207) are threadedly connected.

3. A new spring backer plate as claimed in claim 1, characterized in that, The second mud plate (207) and the first mud plate (201) form an elastic structure through the spring (205), and the second mud plate (207) and the second hub (208) are movably sleeved on the surface of the stacked screw main shaft (1).

4. A new spring backer plate as claimed in claim 1, characterized in that, The auxiliary assembly (3) comprises an upper clamping frame (301) clamped on the outside of the second mud plate (207), a lower clamping frame (302) attached to the bottom of the upper clamping frame (301), a group of clamping blocks (303) symmetrically fixed on the top of the lower clamping frame (302), a group of screws (304) symmetrically penetrating through the inside of the clamping blocks (303), and a group of clamping grooves (305) symmetrically formed on the inner side of the bottom of the upper clamping frame (301).

5. A new spring backplate according to claim 4, characterized in that, The combination of the upper clamping frame (301) and the lower clamping frame (302) is matched and clamped on the outside of the second mud plate (207), and the inner wall of the middle part of the combination of the upper clamping frame (301) and the lower clamping frame (302) is attached to the outer wall of the stacked screw main shaft (1).

6. A new spring backplate according to claim 4, characterized in that, The lower clamping frame (302) and the clamping grooves (305) form a clamping structure through the clamping blocks (303), and the upper clamping frame (301) and the clamping blocks (303) form a detachable structure through the screws (304).

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