Novel spiral sealing device for discharging nozzle of grinding head

Abstract

The utility model discloses a novel grinding head blanking nozzle spiral sealing device which comprises a grinding head body, a sealing cover, a spiral rod and a rotating rod, the top of the grinding head body is connected with a supporting top disc, a blanking port penetrates through the middle of the supporting top disc, and a support is fixed on one side of the top of the supporting top disc. Through the arrangement of the first motor, the screw rod, the movable cylinder and the sealing cover and the cooperation of the guide sliding effect of the sealing cover along the guide rod, when the first motor drives the screw rod to rotate, the sealing cover can linearly move up and down along the movable cylinder, and the screw rod is driven to move up and down in the discharging opening; according to the grinding head, the discharging opening can be sealed, the sealing effect in the discharging opening, the interior of the feeding opening and the interior of the grinding head body is improved after discharging work is completed, and when a third motor drives a spiral rod and a rotating rod to rotate, a long scraping rod and a short scraping rod can be driven to stir materials passing through the discharging opening and materials in the grinding head body.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of grinding head, concretely to a novel grinding head blanking nozzle screw sealing device. BACKGROUND

[0002] Grinding head is a kind of small-sized grinding tool with handle, which is applied to electric grinder, hoist grinder and hand drill.

[0003] The traditional grinding head blanking feeding inlet area does not have sealing structure, which influences the sealing performance of the device feeding inlet and causes material leakage problem, and it is urgent to be developed. UTILITY MODEL CONTENT

[0004] The utility model discloses a kind of novel grinding head blanking nozzle screw sealing devices, to solve the problem raised in the above background technology.

[0005] To achieve the above object, the utility model provides the following technical scheme: a kind of novel grinding head blanking nozzle screw sealing device, including grinding head body, sealing cover, screw rod and rotating rod, the top of the grinding head body is connected with support top disc, the middle part of the support top disc is penetrated with blanking port, one side of the support top disc top is fixed with support, the top of the support is installed with motor one, the bottom of the motor one is connected with screw rod, the screw rod extends to the bottom of support and is sleeved with moving cylinder, the bottom of the moving cylinder is fixed with sealing cover, the two sides of the sealing cover are symmetrically equipped with guide rod, sealing cover is guided to slide along guide rod and can limit auxiliary moving cylinder straight line moves up and down along screw rod;

[0006] The top and bottom of the guide rod are connected with support and support top disc respectively, the middle part of the sealing cover is installed with motor three, the driving end of the bottom of the motor three is connected with screw rod, the screw rod penetrates blanking port and extends to the inside of grinding head body, the bottom of the screw rod is connected with rotating rod, motor three drives screw rod and rotating rod to rotate synchronously.

[0007] Preferably, the two sides of the screw rod are equidistantly staggered and equipped with fixed cylinder two, the fixed cylinder two is connected with limiting block two in the inside through spring two, and the spring two realizes that limiting block two repeatedly slides in the fixed cylinder two.

[0008] The side, away from spring two, of the limiting block two is connected with telescopic rod two, the telescopic rod two extends to one side outside fixed cylinder two and is connected with short scraping rod, and the short scraping rod is arranged closely to the inner wall of blanking port.

[0009] Preferably, the two sides of the rotating rod are symmetrically connected with fixed cylinder one, the inside of the fixed cylinder one is connected with limiting block one through spring one, and the spring one can realize that limiting block one repeatedly slides back and forth in the fixed cylinder one.

[0010] The side, away from the spring, of the limiting block is connected with a telescopic rod, and the telescopic rod extends to the outside of one side of the fixed cylinder and is connected with a long scraping rod, which is arranged close to the inner wall of the grinding head body.

[0011] Preferably, the top of one side of the discharging port is connected with a feeding port, and the top of the feeding port extends to the top of the supporting top disc.

[0012] Preferably, the inside of the feeding port is provided with a guide disc, one side of the bottom of the guide disc is hinged to the bottom in the feeding port through a hinge seat, one side of the guide disc is hinged with a tension spring, and the other end of the tension spring is connected with the inner wall of the feeding port.

[0013] Preferably, the bottom of the feeding port is connected with an avoiding groove, and the avoiding groove is provided with a rotating disc, when the rotating disc is driven to rotate through the driving rod, the guide disc is pushed to move, the guide disc realizes angular movement through the connection with the hinge seat, and is reset through the restoring property of the tension spring, and the repeated movement forms shaking;

[0014] The inside of the rotating disc is penetrated with a driving rod, one end of the driving rod extends to the back side of the avoiding groove and is installed with a motor two.

[0015] Preferably, the upper end of the rotating disc is connected with a contact wheel.

[0016] Compared with the prior art, the novel grinding head discharging nozzle spiral sealing device has the advantages that:

[0017] (1) The novel grinding head discharging nozzle spiral sealing device can limit the sealing cover to move up and down along the moving cylinder when the motor drives the screw rod to rotate, drive the screw rod to move up and down in the discharging port, and seal the discharging port when the sealing cover moves to the top of the supporting top disc, improve the sealing effect of the discharging port, the feeding port and the inside of the grinding head body after the discharging work is completed, and drive the long scraping rod and the short scraping rod to stir the materials in the discharging port and the materials in the grinding head body when the motor drives the screw rod and the rotating rod to rotate, so that the feeding is uniform, and the material leakage and the over-grinding situation are greatly improved.

[0018] (2) The novel grinding head discharging nozzle spiral sealing device can realize the repeated piston action of the long scraping rod and the short scraping rod under the centrifugal stirring rotation of the screw rod and the rotating rod through the elasticity of the spring one and the spring two and the sliding installation of the limiting block one and the limiting block two in the fixed cylinder one and the fixed cylinder two, effectively reduce the problem of material adhesion to the wall in the discharging port and the grinding head body, and greatly reduce the probability of the problem of the discharging port and the grinding head body being blocked and affecting the smoothness of the discharging work.

[0019] (3) the new type of grinding head nozzle screw sealing device, through the feed inlet and the discharge port communication is realized through the guide plate guide, then the guide plate can be hinged seat hinged connection angle activity, through the motor two, drive rod, rotating disc and contact wheel setting and use, rotating disc in the process of rotation will be repeatedly knocking action to the guide plate through the contact wheel, then the guide plate will be through the tension spring elastic reset produces dithering, speed up the material through the guide plate discharge speed, reduce the probability of material blockage in the feed inlet occurs. BRIEF DESCRIPTION OF DRAWINGS

[0020] Figure 1 It is the front view structural schematic diagram of the utility model;

[0021] Figure 2 It is the front view structural schematic diagram of the utility model Figure 1 It is the enlarged structural schematic diagram of A place in the utility model;

[0022] Figure 3 It is the front view structural schematic diagram of the utility model Figure 1 It is the enlarged structural schematic diagram of B place in the utility model;

[0023] Figure 4 It is the side view structural schematic diagram of the utility model.

[0024] In the drawing: 1, grinding head body; 2, support top disc; 3, support; 4, motor one; 5, screw rod; 6, moving cylinder; 7, guide rod; 8, sealing cover; 9, spiral rod; 10, discharge port; 11, telescopic rod one; 12, fixed cylinder one; 13, limit block one; 14, spring one; 15, rotating rod; 16, long scraper; 17, short scraper; 18, telescopic rod two; 19, limit block two; 20, spring two; 21, fixed cylinder two; 22, feed inlet; 23, guide plate; 24, hinged seat; 25, drive rod; 26, avoiding groove; 27, rotating disc; 28, tension spring; 29, contact wheel; 30, motor two; 31, motor three. DETAILED DESCRIPTION

[0025] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model, and all other embodiments obtained by the person skilled in the art without making creative labor based on the embodiments in the utility model belong to the protection scope of the utility model.

[0026] Please refer to Figures 1-4The utility model provides a kind of embodiment: a new type of grinding head blanking nozzle screw sealing device, including grinding head body 1, sealing cover 8, screw rod 9 and rotating rod 15, the top of grinding head body 1 is connected with support top disc 2, the middle portion of support top disc 2 is penetrated with blanking port 10, one side of support top disc 2 top is fixed with support 3, the top of support 3 is equipped with motor one 4, the bottom of motor one 4 is connected with screw rod 5, screw rod 5 extends to the bottom of support 3 and is equipped with movable cylinder 6, the bottom of movable cylinder 6 is fixed with sealing cover 8, the setting of motor one 4, screw rod 5, movable cylinder 6 and sealing cover 8 and the effect of cooperation sealing cover 8 along guide rod 7 guiding sliding can limit auxiliary motor one 4 drive screw rod 5 rotation sealing cover 8 can move up and down along movable cylinder 6, drive screw rod 9 in blanking port 10 up and down action, when sealing cover 8 moves cover to support top disc 2 top, blanking port 10 can be sealed, improve the sealing effect of blanking port 10, feed inlet 22 and grinding head body 1 inside after completing blanking work;

[0027] The two sides of sealing cover 8 are symmetrically equipped with guide rod 7, the top and bottom of guide rod 7 are connected with support 3 and support top disc 2 respectively, motor three 31 is installed in the middle portion of sealing cover 8, when motor three 31 drives screw rod 9 and rotating rod 15 to rotate, long scraper rod 16 and short scraper rod 17 can be driven to agitate materials in blanking port 10 and grinding head body 1, to promote uniform feeding and greatly improve material leakage and overgrinding;

[0028] The driving end of the bottom of motor three 31 is connected with screw rod 9, screw rod 9 penetrates blanking port 10 and extends to the inside of grinding head body 1, the bottom of screw rod 9 is connected with rotating rod 15.

[0029] Fixed cylinder two 21 is staggered and arranged at equal intervals on the two sides of screw rod 9, limit block two 19 is connected in fixed cylinder two 21 through spring two 20, telescopic rod two 18 is connected on the side away from spring two 20 of limit block two 19, telescopic rod two 18 extends to the outside of one side of fixed cylinder two 21 and is connected with short scraper rod 17, short scraper rod 17 is arranged close to the inner wall of blanking port 10.

[0030] Fixed cylinder one 12 is symmetrically connected on the two sides of rotating rod 15, limit block one 13 is connected in fixed cylinder one 12 through spring one 14, by the elasticity of spring one 14 and spring two 20 and the effect that limit block one 13 and limit block two 19 are slidably arranged in fixed cylinder one 12 and fixed cylinder two 21, long scraper rod 16 and short scraper rod 17 are repeatedly piston-acted under the centrifugal stirring rotation of screw rod 9 and rotating rod 15, effectively reducing the problem of material adhesion to the wall in blanking port 10 and grinding head body 1, greatly reducing the probability of blockage in blanking port 10 and grinding head body 1 affecting the smoothness of blanking work;

[0031] The side away from the spring 14 of the limiting block 13 is connected with the telescopic rod 11, the telescopic rod 11 extends to the outside of one side of the fixed cylinder 12 and is connected with the long scraping rod 16, and the long scraping rod 16 is arranged close to the inner wall of the grinding head body 1.

[0032] The top of the one side of the discharging port 10 is connected with the feeding port 22, and the top of the feeding port 22 extends to the top of the supporting top disc 2.

[0033] The inside of the feeding port 22 is provided with the guide disc 23, the feeding port 22 is communicated with the discharging port 10 to realize the guide of materials through the guide disc 23, the guide disc 23 can realize the angular movement through the hinged connection of the hinged seat 24, and the feeding port 22 is provided with the motor two 30, the driving rod 25, the rotating disc 27 and the contact wheel 29, and the rotating disc 27 in the rotating process repeatedly knocks the guide disc 23 through the contact wheel 29.

[0034] The bottom of the one side of the guide disc 23 is hinged with the bottom in the feeding port 22 through the hinged seat 24, one side of the guide disc 23 is hinged with the tension spring 28, the other end of the tension spring 28 is connected with the inner wall of the feeding port 22, the guide disc 23 will be shaken through the elastic reset of the tension spring 28, the speed of the material through the guide disc 23 is accelerated, and the probability of the material blockage in the feeding port 22 is reduced.

[0035] The bottom of the feeding port 22 is connected with the avoiding groove 26, the avoiding groove 26 is provided with the rotating disc 27, the inside of the rotating disc 27 is penetrated through the driving rod 25, and one end of the driving rod 25 extends to the outside of the rear side of the avoiding groove 26 and is installed with the motor two 30.

[0036] The upper end of the rotating disc 27 is connected with the contact wheel 29.

[0037] In use, the feeding port 22 is communicated with the discharging port 10 to realize material guiding through the guide disc 23, the motor one 4, the screw rod 5, the moving cylinder 6 and the sealing cover 8 are arranged and matched with the sealing cover 8 sliding along the guide rod 7 to guide, the sealing cover 8 can move up and down along the moving cylinder 6 to drive the helical rod 9 to move up and down in the discharging port 10 when the auxiliary motor one 4 drives the screw rod 5 to rotate, the sealing cover 8 can seal the discharging port 10 when the sealing cover 8 moves to the top of the support top disc 2 to improve the sealing effect of the discharging port 10, the feeding port 22 and the inside of the grinding head body 1 after the discharging work is completed, when the motor three 31 drives the helical rod 9 and the rotating rod 15 to rotate, the long scraper rod 16 and the short scraper rod 17 can drive the material in the discharging port 10 and the material in the grinding head body 1 to stir to make the feeding uniform, the spring one 14 and the spring two 20 are elastically arranged and the limiting block one 13 and the limiting block two 19 are slidably arranged in the fixed cylinder one 12 and the fixed cylinder two 21 to realize that the helical rod 9 and the rotating rod 15 make the long scraper rod 16 and the short scraper rod 17 repeatedly do piston action under the centrifugal stirring rotation to effectively reduce the problem that the material in the discharging port 10 and the grinding head body 1 adheres to the wall.

Claims

1. A new type of spiral sealing device for the blanking nozzle of a grinding head, characterized in that, Including the grinding head body (1), sealing cover (8), screw rod (9) and rotating rod (15), the top of the grinding head body (1) is connected with the support top disc (2), the middle of the support top disc (2) is penetrated with the discharging port (10), one side of the top of the support top disc (2) is fixedly provided with the support (3), the top of the support (3) is installed with the motor one (4), the bottom of the motor one (4) is connected with the screw rod (5), the screw rod (5) extends to the bottom of the support (3) and is sleeved with the moving cylinder (6), the bottom of the moving cylinder (6) is fixedly provided with the sealing cover (8), the both sides of the sealing cover (8) are symmetrically provided with the guide rod (7), the top and bottom of the guide rod (7) are connected with the support (3) and the support top disc (2) respectively, the middle of the sealing cover (8) is installed with the motor three (31), the driving end of the bottom of the motor three (31) is connected with the screw rod (9), the screw rod (9) penetrates the discharging port (10) and extends to the inside of the grinding head body (1), the bottom of the screw rod (9) is connected with the rotating rod (15).

2. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 1, characterized in that: The both sides of the screw rod (9) are equidistantly staggered with the fixed cylinder two (21), the fixed cylinder two (21) is connected with the limiting block two (19) through the spring two (20), the side, away from the spring two (20), of the limiting block two (19) is connected with the telescopic rod two (18), the telescopic rod two (18) extends to the outside of one side of the fixed cylinder two (21) and is connected with the short scraping rod (17), the short scraping rod (17) is arranged close to the inner wall of the discharging port (10).

3. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 1, characterized in that: The both sides of the rotating rod (15) are symmetrically connected with the fixed cylinder one (12), the inside of the fixed cylinder one (12) is connected with the limiting block one (13) through the spring one (14), the side, away from the spring one (14), of the limiting block one (13) is connected with the telescopic rod one (11), the telescopic rod one (11) extends to the outside of one side of the fixed cylinder one (12) and is connected with the long scraping rod (16), the long scraping rod (16) is arranged close to the inner wall of the grinding head body (1).

4. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 1, characterized in that: The top of one side of the discharging port (10) is connected with the feeding port (22), the top of the feeding port (22) extends to the top of the support top disc (2).

5. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 4, characterized in that: The inside of the feeding port (22) is provided with the guide disc (23), one side of the bottom of the guide disc (23) is hinged to the bottom in the feeding port (22) through the hinge seat (24), one side of the guide disc (23) is hinged with the tension spring (28), the other end of the tension spring (28) is connected with the inner side wall of the feeding port (22).

6. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 5, characterized in that: The bottom of the feeding port (22) is connected with the avoiding groove (26), the avoiding groove (26) is provided with the rotating disc (27), the inside of the rotating disc (27) is penetrated with the driving rod (25), one end of the driving rod (25) extends to the back side outside of the avoiding groove (26) and is installed with the motor two (30).

7. A new type of spiral sealing device for the blanking nozzle of the grinding head according to claim 6, characterized in that: The upper end of the rotating disc (27) is connected with the contact wheel (29).

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