Resin sand feeding device based on resin sand baking

Abstract

The utility model discloses a resin sand feeding device based on resin sand baking, and relates to the technical field of resin sand baking. The top of the conveying belt is fixedly connected with a fixing support, and the top of the fixing support is in threaded connection with an adjusting screw. Resin sand with large size is crushed through the pretreatment assembly in the pretreatment box body, moisture contained on the surface of the resin sand is reduced in the treatment process, the phenomenon that the resin sand is bonded into blocks is avoided, meanwhile, the number of the resin sand falling on the surface of the conveying belt is controlled, intermittent feeding is achieved, and the production efficiency is improved. A worker can adjust the distance between the adjusting piece and the conveying belt according to requirements, the two sides of the bottom of the adjusting piece are arranged in an upward inclined face mode, the resin sand moves along with the conveying belt and is flatly laid on the surface of the conveying belt under the action of the inclined face of the bottom of the adjusting piece, and the heating area of the resin sand is larger; and therefore, it is guaranteed that the resin sand is heated more uniformly in the baking process, and the baking effect is better.

Description

TECHNICAL FIELD

[0001] The utility model relates to resin sand baking technical field, concretely relates to a resin sand feeding device based on resin sand baking. BACKGROUND

[0002] Resin sand refers to the sand or core sand with artificial synthetic resin as the binder of sand particles, after the casting mold or core is made of resin sand, through the action of curing agent, resin occurs irreversible crosslinking reaction and solidifies, thereby giving the casting mold or core with necessary strength.

[0003] The current feeding sand hopper will cause resin sand to descend slowly when the sand hopper accumulates too much resin sand, which affects the normal feeding of resin sand, thereby increasing the resin sand processing time and affecting the factory efficiency.

[0004] Chinese patent document CN211920013U discloses a resin sand feeding sand hopper with vibration function, which comprises a vibration device and a fixing frame, the upper end port of the fixing frame is connected with the vibration device, the right side of the vibration device is connected with a support plate at the upper end port of the fixing frame, the inner surface of the support plate is connected with a feeding hopper, the upper end surface of the support plate is connected with a discharge box, the right end surface of the support plate is connected with a baffle at the lower position, the right side of the support plate is connected with a power device at the middle position of the baffle, the vibration device comprises a vibration motor, a motor cover, a discharging hopper, a rotating plate, a concentrating cylinder and a shock absorbing column, the front end surface of the discharging hopper is connected with the motor cover, the inner surface of the motor cover is connected with the vibration motor, the vibration motor is electrically connected with an external power supply, the left and right end surfaces of the vibration motor are sleeved with the rotating plate, the lower end port of the discharging hopper is connected with the concentrating cylinder, and the left and right end surfaces of the discharging hopper are fixedly connected with the shock absorbing columns by welding; but there are still the following defects in the implementation process:

[0005] The device in the above document can be well driven by the vibration device composed of the vibration motor, the motor cover, the discharging hopper, the rotating plate, the concentrating cylinder and the shock absorbing column, the vibration motor drives the rotating plate to rotate, which can drive the discharging hopper to vibrate slightly, thereby ensuring that the discharging hopper can smoothly discharge, avoiding the problem that too much resin sand cannot enter the concentrating cylinder, accelerating the discharging speed of resin sand and thereby accelerating the processing speed of resin sand, and ensuring the production efficiency, but the device in the above document cannot make the resin sand more evenly heated when the resin sand is fed into the internal part of the baking equipment, which causes problems such as bubbles and shrinkage holes during resin sand baking, ultimately leading to cracks on the surface of resin sand mold, affecting the use of products, and most of the resin sand is accumulated at the feeding port, the feeding and discharging speeds are not matched, which leads to the phenomenon of equipment blockage, affecting the normal operation of the equipment. UTILITY MODEL CONTENTS

[0006] The utility model discloses a resin sand feeding device based on resin sand baking, to solve the problem of uneven heating and crack in the resin sand baking process in the above background technology.

[0007] To solve the above technical problem, the utility model adopts the technical scheme of:

[0008] A resin sand feeding device based on resin sand baking, including the transport belt, the top fixed connection of transport belt has the fixed support, the top screw connection of fixed support has the adjusting screw, the bottom fixed connection of adjusting screw has the adjusting piece, and the one end fixed connection of transport belt close to fixed support has the pretreatment box body, and the fixed connection of pretreatment box body close to fixed support one side has the discharge gate, and the inside of pretreatment box body is provided with pretreatment subassembly, and pretreatment subassembly is used to handle the resin sand of baking.

[0009] Adopt the above technical scheme, the pretreatment subassembly in the pretreatment box body breaks the big volume resin sand in this scheme and reduces the moisture containing on the surface of resin sand in the process, avoids the phenomenon that the resin sand appears to stick together, controls the number of resin sand falling on the surface of transport belt simultaneously, realizes the intermittent feeding, and at this moment, the staff can rotate the adjusting screw according to the demand, adjusts the interval between adjusting piece and transport belt.

[0010] The further improvement of the technical scheme of the utility model is that: the both sides of the bottom of the adjusting piece are provided with inclined surfaces upward, and the middle position of the bottom of the adjusting piece is provided with a plane.

[0011] Adopt the above technical scheme, the both sides of the bottom of the adjusting piece are provided with inclined surfaces upward in this scheme, when the resin sand is accumulated on the surface of the transport belt, the resin sand moves along with the transport belt, at this moment, the resin sand contacts with the inclined surface of the adjusting piece, and is laid flat on the surface of the transport belt under the action of the inclined surface of the bottom of the adjusting piece, so that the heating area of the resin sand is larger, and the heating of the resin sand in the baking process is more uniform, and the baking effect is better.

[0012] The further improvement of the technical scheme of the utility model is that: the pretreatment subassembly includes a feed inlet fixedly connected to the top of the inner side wall of the pretreatment box body, two elastic ropes fixedly connected to the inner side wall of the feed inlet, the ends of the elastic ropes away from the feed inlet are fixedly connected with inclined baffles, a fixed cross bar rotatably connected to the inner side wall of the bottom of the feed inlet, and a partition baffle fixedly connected to the outer side wall of the fixed cross bar.

[0013] Adopt the above technical scheme, the resin sand is placed in the inside of the feed inlet in this scheme, one side of the inclined baffle is connected with the feed inlet, and the surface of the inclined baffle is connected with the feed inlet through the elastic ropes.

[0014] The further improvement of the utility model technical scheme lies in: the inclined baffle is arranged as an inclined surface, the partition baffle is arranged as a circumferential array, and the inclined baffle is located at the top of the partition baffle.

[0015] By adopting the above technical scheme, when the weight of the resin sand accumulated on the surface of the inclined baffle is greater than the pressure that the elastic rope can bear, the inclined baffle is offset downward, and then the resin sand on the surface falls into the included angle formed by the partition baffle and the fixed horizontal rod, and when the number of the resin sand in the included angle reaches a certain amount, the partition baffle rotates on the surface of the fixed horizontal rod, so that intermittent feeding of the resin sand is realized, and the resin sand on the surface of the conveying belt has enough time to be baked.

[0016] The further improvement of the utility model technical scheme lies in that the bottom of the feeding port is fixedly connected with a fixed box body, and the inner side wall of the fixed box body is fixedly and symmetrically provided with crushing rollers.

[0017] By adopting the above technical scheme, the resin sand is transported into the fixed box body through the partition baffle, and crushing of the large resin sand is realized under the action of the two crushing rollers.

[0018] The further improvement of the utility model technical scheme lies in that the inner side wall of the bottom of the fixed box body is rotatably connected with a limiting horizontal rod, and the outer side wall of the limiting horizontal rod is fixedly connected with a plurality of arc-shaped pieces arranged in a circumferential array.

[0019] By adopting the above technical scheme, the resin sand enters the discharge port and is sent to the surface of the conveying belt in a row under the action of the arc-shaped pieces, the accumulated resin sand is dispersed and treated under the action of the whole pretreatment assembly, and the moisture remaining on the surface of the resin sand is reduced after the resin sand passes through the inclined baffle, the partition baffle and the arc-shaped pieces.

[0020] The further improvement of the utility model technical scheme lies in that the side of the fixed box body close to the limiting horizontal rod is fixedly connected with an inclined plate, and the inclined plate is arranged as an inclined surface.

[0021] By adopting the above technical scheme, the resin sand is accumulated in the included angle formed by the limiting horizontal rod at the bottom of the fixed box body and the arc-shaped pieces along the inclination of the inclined plate.

[0022] Due to the adoption of the above technical scheme, the utility model has the following technical progress compared with the prior art:

[0023] 1. The resin sand feeding device based on resin sand baking is provided by the utility model, the pre -treatment component in the pre -treatment box is set to carry out the crushing treatment to the resin sand of relatively large volume, and the moisture contained on the surface of resin sand is reduced in the processing process, the phenomenon that the resin sand appears and is bonded into a block is avoided, the quantity of resin sand that falls on the surface of the conveying belt is controlled simultaneously, intermittent feeding is realized, at this time, the staff can rotate the adjusting screw according to the demand, the spacing between the adjusting piece and the conveying belt is adjusted, it is necessary to note that the two sides of the bottom of the adjusting piece are provided with upwardly inclined inclined surfaces, when the resin sand is accumulated on the surface of the conveying belt, the resin sand moves along with the conveying belt, at this time, the resin sand contacts the inclined surface of the adjusting piece, and is laid on the surface of the conveying belt under the action of the inclined surface of the bottom of the adjusting piece, so that the heating area of the resin sand is larger, and the heating of the resin sand is more uniform in the baking process, and the baking effect is better.

[0024] 2. The resin sand feeding device based on resin sand baking is provided by the utility model, the side of the inclined baffle and the feed inlet are connected, the surface is connected with the feed inlet through the elastic rope, when the weight of the resin sand accumulated on the surface of the inclined baffle is greater than the pressure that the elastic rope can bear, the inclined baffle is offset downward, and then the resin sand on the surface falls in the included angle formed by the separation baffle and the fixed horizontal rod, when the quantity of resin sand in the included angle is in place, the separation baffle rotates on the surface of the fixed horizontal rod, so that intermittent feeding of the resin sand is realized, and the resin sand on the surface of the conveying belt has enough time to be baked, and the baking efficiency of the resin sand is improved.

[0025] 3. The resin sand feeding device based on resin sand baking is provided by the utility model, the accumulated resin sand is dispersed by the pre -treatment component, the moisture remaining on the surface of the resin sand is reduced after the inclined baffle, the separation baffle and the arc piece, the possibility of problems such as bubble and shrinkage in the subsequent baking process is reduced, and the baking efficiency of the resin sand is improved. DRAWINGS

[0026] The utility model will be further described below in combination with the drawings.

[0027] Figure 1 It is the whole structure schematic diagram of the utility model;

[0028] Figure 2 It is the internal structure schematic diagram of the pre -treatment box in the utility model;

[0029] Figure 3 It is the sectional stereoscopic structure schematic diagram of the feed inlet in the utility model;

[0030] Figure 4 It is the whole structure schematic diagram of the fixed box in the utility model;

[0031] Figure 5 It is the three-dimensional structure schematic view of the fixed box body and the arc-shaped piece cooperation in the utility model;

[0032] Figure 6 It is the three-dimensional structure schematic view of the limiting cross rod and the arc-shaped piece cooperation in the utility model;

[0033] Figure 7 It is the whole structure schematic view of the adjusting piece in the utility model.

[0034] In the drawing: 1, conveying belt; 2, fixed support; 3, adjusting piece; 4, pretreatment box body; 5, discharge port; 6, feed inlet; 7, fixed box body; 8, elastic rope; 9, inclined baffle; 10, fixed cross rod; 11, partition baffle; 12, crushing roller; 13, inclined plate; 14, limiting cross rod; 15, arc-shaped piece; 16, adjusting screw. DETAILED DESCRIPTION

[0035] The utility model will be further explained in detail in combination with examples:

[0036] Example 1

[0037] As shown in Figure 1 , Figure 2 and Figure 7 , the utility model provides a resin sand feeding device based on resin sand baking, including conveying belt 1;The top of conveying belt 1 is fixedly connected with fixed support 2, and the top of fixed support 2 is threadedly connected with adjusting screw 16, and the bottom of adjusting screw 16 is fixedly connected with adjusting piece 3, and one end of conveying belt 1 close to fixed support 2 is fixedly connected with pretreatment box body 4, and the side close to fixed support 2 of pretreatment box body 4 is fixedly connected with discharge port 5, and pretreatment box body 4 is provided with pretreatment assembly inside, and pretreatment assembly is used to handle the resin sand to be baked, and the both sides of adjusting piece 3 bottom are inclined to the upward slope setting, and the middle position of adjusting piece 3 bottom is flat setting.

[0038] Because resin sand will be accumulated in the equipment feed place in the process of conveying, part resin sand volume is relatively large, leads to its blockage in the feed place of equipment, influences the normal operation of equipment, simultaneously influences resin sand feeding, has reduced the efficiency of resin sand baking.

[0039] In the embodiment, the resin sand with large volume is crushed by the pre-processing assembly in the pre-processing box 4, and the moisture contained on the surface of the resin sand is reduced during the processing, so that the phenomenon of the resin sand being bonded into blocks is avoided, and the amount of the resin sand falling on the surface of the conveying belt 1 is controlled, intermittent feeding is realized, at this time, the staff can rotate the adjusting screw 16 according to the needs to adjust the distance between the adjusting piece 3 and the conveying belt 1, and it should be noted that the two sides of the bottom of the adjusting piece 3 are provided as upward inclined slopes, when the resin sand is accumulated on the surface of the conveying belt 1, the resin sand moves with the conveying belt 1, at this time, the resin sand contacts the slope of the adjusting piece 3, and is laid on the surface of the conveying belt 1 under the action of the slope of the bottom of the adjusting piece 3, so that the heating area of the resin sand is larger, and the heating of the resin sand during the baking process is more uniform, and the baking effect is better.

[0040] Embodiment 2

[0041] As shown in Figure 2 and Figure 3 , on the basis of embodiment 1, the utility model provides a technical scheme: preferably, the pre-processing assembly includes the feed inlet 6 fixedly connected to the top of the inner side wall in the pre-processing box 4, two elastic ropes 8 are fixedly connected to the inner side wall of the feed inlet 6, the ends of the elastic ropes 8 away from the feed inlet 6 are fixedly connected with the inclined baffle 9, the inner side wall at the bottom of the feed inlet 6 is rotatably connected with the fixed cross bar 10, the outer side wall of the fixed cross bar 10 is fixedly connected with the partition baffle 11, the inclined baffle 9 is provided as a slope, the partition baffles 11 are distributed in a circumferential array, and the inclined baffle 9 is located at the top of the partition baffles 11.

[0042] In the embodiment, the resin sand is placed in the interior of the feed inlet 6, one side of the inclined baffle 9 is connected with the feed inlet 6, and the surface of the inclined baffle 9 is connected with the feed inlet 6 through the elastic rope 8, when the weight of the resin sand accumulated on the surface of the inclined baffle 9 is greater than the pressure that the elastic rope 8 can bear, the inclined baffle 9 is offset downward, so that the resin sand on the surface falls in the included angle formed by the partition baffle 11 and the fixed cross bar 10, when the amount of the resin sand in the included angle is in place, the partition baffle 11 rotates on the surface of the fixed cross bar 10, so that intermittent feeding of the resin sand is realized, and the resin sand on the surface of the conveying belt 1 has enough time to be baked, and the baking efficiency of the resin sand is improved.

[0043] As shown in Figure 4 , Figure 5 and Figure 6As shown, preferably, the bottom of the feeding port 6 is fixedly connected with a fixed box 7, the inner side wall of the fixed box 7 is symmetrically fixedly installed with a crushing roller 12, the inner side wall of the bottom of the fixed box 7 is rotatably connected with a limiting cross rod 14, the outer side wall of the limiting cross rod 14 is fixedly connected with a plurality of circumferentially arrayed arc-shaped sheets 15, the side of the fixed box 7 close to the limiting cross rod 14 is fixedly connected with an inclined plate 13, and the inclined plate 13 is arranged in an inclined manner.

[0044] In the embodiment, the resin sand is transported into the fixed box 7 through the above-mentioned separating baffle 11 and is crushed under the action of the two crushing rollers 12, at this time, the resin sand is accumulated in the included angle formed by the limiting cross rod 14 and the arc-shaped sheets 15 at the bottom of the fixed box 7 according to the inclination of the arc-shaped sheets 15, the arc-shaped sheets 15 rotate after the accumulation of the resin sand reaches a certain amount, the resin sand enters the discharging port 5 under the action of the arc-shaped sheets 15 and is discharged onto the surface of the conveying belt 1, the accumulated resin sand is dispersed and treated under the action of the whole pretreatment assembly, the moisture remaining on the surface of the resin sand is reduced after the resin sand passes through the inclined baffle 9, the separating baffle 11 and the arc-shaped sheets 15, the possibility of problems such as bubbles and shrinkage holes generated in the subsequent baking process is reduced, and the efficiency of the resin sand baking is improved.

[0045] The working principle of the resin sand feeding device based on resin sand baking will be specifically described below.

[0046] As shown in the drawings, Figures 1-7As shown, first, the resin sand is placed inside the feed inlet 6, one side of the inclined baffle 9 is connected with the feed inlet 6, and the surface thereof is connected with the feed inlet 6 through the elastic rope 8; when the weight of the resin sand accumulated on the surface of the inclined baffle 9 is greater than the pressure that the elastic rope 8 can bear, the inclined baffle 9 is downwardly deviated, and then the resin sand on the surface falls into the included angle formed by the combination of the fixed horizontal rod 10 and the partition baffle 11; when the amount of the resin sand in the included angle reaches a position, the partition baffle 11 rotates on the surface of the fixed horizontal rod 10, so that the intermittent feeding of the resin sand is realized, and the resin sand on the surface of the conveying belt 1 has enough time to be baked; the resin sand is transported to the fixed box 7 through the partition baffle 11 and is crushed under the action of the two crushing rollers 12, and then the resin sand is accumulated in the included angle formed by the combination of the fixed limiting horizontal rod 14 and the arc-shaped piece 15 at the bottom of the fixed box 7 according to the angle of the inclined plate 13; the arc-shaped piece 15 rotates when the amount of the resin sand accumulated reaches a position, and the resin sand enters the discharge outlet 5 under the action of the arc-shaped piece 15 and is discharged to the surface of the conveying belt 1; under the action of the whole pretreatment assembly, the accumulated resin sand is dispersed and treated, the moisture on the surface of the resin sand is reduced after the resin sand passes through the inclined baffle 9, the partition baffle 11 and the arc-shaped piece 15, and the possibility of problems such as bubbles and shrinkage holes generated in the subsequent baking process is reduced; the staff can rotate the adjusting screw 16 according to the needs to adjust the distance between the adjusting piece 3 and the conveying belt 1; it should be noted that the two sides of the bottom of the adjusting piece 3 are provided with upwardly inclined inclined surfaces; when the resin sand is accumulated on the surface of the conveying belt 1, the resin sand moves with the conveying belt 1, and then the resin sand contacts the inclined surface of the adjusting piece 3 and is laid on the surface of the conveying belt 1 under the action of the inclined surface at the bottom of the adjusting piece 3, so that the heating area of the resin sand is larger, and then the heating of the resin sand in the baking process is more uniform, and the baking effect is better.

[0047] The above has made a detailed description of the present application in general, but some modifications or improvements can be made on the basis of the present application, which is obvious to those skilled in the art. Therefore, the modifications or improvements without departing from the spirit of the present application are within the protection scope of the present application.

Claims

1. A resin sand feeding device based on resin sand baking, comprising a conveyor belt (1); characterized in that: The top of the conveying belt (1) is fixedly connected with a fixed support (2), the top of the fixed support (2) is threadedly connected with an adjusting screw (16), the bottom of the adjusting screw (16) is fixedly connected with an adjusting piece (3), one end of the conveying belt (1) close to the fixed support (2) is fixedly connected with a pretreatment box (4), one side of the pretreatment box (4) close to the fixed support (2) is fixedly connected with a discharge port (5), the inside of the pretreatment box (4) is provided with a pretreatment assembly, and the pretreatment assembly is used for treating resin sand to be baked.

2. A resin sand feeding device based on resin sand baking according to claim 1, characterized in that: The bottom of the adjusting piece (3) is provided with inclined surfaces on both sides, and the middle position of the bottom of the adjusting piece (3) is provided with a plane.

3. A resin sand feeding device based on resin sand baking according to claim 2, characterized in that: The pretreatment assembly comprises an inlet (6) fixedly connected to the top of the inner side wall of the pretreatment box (4), two elastic ropes (8) fixedly connected to the inner side wall of the inlet (6), an inclined baffle (9) fixedly connected to the end of the elastic rope (8) away from the inlet (6), a fixed cross rod (10) rotatably connected to the inner side wall of the bottom of the inlet (6), and a partition baffle (11) fixedly connected to the outer side wall of the fixed cross rod (10).

4. A resin sand feeding device based on resin sand baking according to claim 3, characterized in that: The inclined baffle (9) is provided with an inclined surface, the partition baffle (11) is arranged in a circumferential array, and the inclined baffle (9) is located at the top of the partition baffle (11).

5. A resin sand feeding device based on resin sand baking according to claim 4, characterized in that: The bottom of the inlet (6) is fixedly connected with a fixed box (7), and the inner side wall of the fixed box (7) is symmetrically fixedly connected with a crushing roller (12).

6. A resin sand feeding device based on resin sand baking according to claim 5, characterized in that: The inner side wall of the bottom of the fixed box (7) is rotatably connected with a limiting cross rod (14), and the outer side wall of the limiting cross rod (14) is fixedly connected with a plurality of arc-shaped pieces (15) arranged in a circumferential array.

7. A resin sand feeding device based on resin sand baking according to claim 6, characterized in that: The side of the fixed box (7) close to the limiting cross rod (14) is fixedly connected with an inclined plate (13), and the inclined plate (13) is provided with an inclined surface.

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