CN219279365U - Plate lowering machine for brick production line - Google Patents

Abstract

The utility model discloses a plate lowering machine for a brick production line, which structurally comprises: the utility model discloses a lifting mechanism, which comprises a fixed frame, two guide rails vertically and parallelly arranged on one side of the fixed frame, a lifting mechanism connected to the guide rails in a sliding manner, a fork frame fixed to the lifting mechanism and used for placing a supporting plate, wherein the upper end and the lower end of the fixed frame, which are close to one side of the guide rails, are respectively provided with a driving roll shaft and a driven wheel group.

Description

Plate lowering machine for brick production line

Technical Field

The utility model relates to a plate lowering machine for a brick production line, and belongs to the field of brick making equipment.

Background

In the field of brick making or block production, a plate lowering machine is an indispensable component part and is mainly used for conveying a plate for supporting bricks from a higher platform to a lower platform;

the application number is: the patent document of CN205060919U discloses a lifting plate machine for a block production line, which comprises a frame body and a sliding rail for moving the frame body, wherein a clamping unit for clamping a supporting plate with bricks is movably arranged on the frame body; a lifting unit for enabling the clamping unit to reciprocate up and down is arranged on the frame body; the rack body is provided with a moving unit for enabling the rack body to reciprocate left and right along the sliding rail;

the following disadvantages still exist in the practical application process: the existing plate falling machine is used for placing the brick plate on the fork frame fixed with the lifting mechanism, meanwhile, the motor drives the gear and the chain to rotate, and the lifting mechanism drives the fork frame and the brick plate to be conveyed to a lower platform along the guide rail along with the rotation of the chain, but when the chain is broken suddenly, the lifting mechanism, the fork frame and the brick plate are easy to fall suddenly, so that personnel and property loss are caused, and safety is lower.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model aims to provide a plate falling machine for a brick production line, which solves the problems that when the existing plate falling machine is used, a brick plate is usually placed on a fork frame fixed with a lifting mechanism, a gear and a chain are driven to rotate by a motor, the lifting mechanism drives the fork frame and the brick plate to be conveyed from a higher platform to a lower platform along a guide rail along with the rotation of the chain, but when the chain is broken suddenly, the lifting mechanism, the fork frame and the brick plate are easy to fall suddenly, so that personnel and property loss are caused, and the safety is low.

In order to achieve the above object, the present utility model is realized by the following technical scheme: a fall trigger for fragment of brick production line, its structure includes: the fixed framework, two vertical parallel sets up in the guide rail of fixed framework one side, and elevating system of sliding connection on the guide rail is fixed in elevating system and is used for placing the fork frame of layer board, both ends are equipped with initiative roller and driven wheelset about fixed framework is close to guide rail one side respectively, initiative roller passes through the traction chain with driven wheelset and is connected, both ends and elevating system upper and lower both ends fixed connection of traction chain respectively, fixed framework top is equipped with drives initiative roller pivoted driving motor, elevating system includes the casing that is in between two guide rails, the casing both sides are equipped with along the upper and lower rolling assembly pulley of guide rail, both ends are fixed with fracture detector respectively about the casing, and are connected with traction chain's both ends respectively, have every pulley coaxial coupling's with the assembly pulley synchronizing wheel in the casing, still be equipped with the brake mechanism who is used for braking the synchronizing wheel in the casing.

Preferably, the pulley block comprises guard plates positioned on the left side and the right side of each guide rail, and four pulleys which are positioned between the guard plates and are symmetrically arranged on the front side and the rear side of the guide rails.

Preferably, the fracture detector comprises two connecting pieces which are connected to the upper side and the lower side of the shell in a sliding mode, one end of each connecting piece is fixedly connected with the traction chain, the other end of each connecting piece is provided with a clamping plate, guide seats for the connecting pieces to slide up and down are respectively arranged at the upper end and the lower end of the shell, a first spring is arranged outside each connecting piece, and the first spring is arranged between each clamping plate and each guide seat.

Preferably, the braking mechanism comprises four groups of symmetrically arranged braking rods, each group of braking rods is rotationally connected to one side, close to the clamping plate, of each synchronizing wheel through a rotating shaft, a braking plate is arranged on one side, facing the synchronizing wheel, of each braking rod, and one end, close to the clamping plate, of each braking rod is connected with a second spring; and a bump for pushing each group of brake rods to clamp the corresponding synchronous wheel is arranged on one side of the clamping plate, facing the synchronous wheel.

Preferably, the upper end and the lower end in the shell are respectively provided with an emergency stop button arranged towards the clamping plate, and the emergency stop buttons are electrically connected with the driving motor.

Preferably, the connecting piece comprises an adjusting screw rod which is connected in the guide seat in a sliding way, one end, close to the traction chain, of the adjusting screw rod is provided with a screw rod sleeve which is in threaded connection with the adjusting screw rod, one end, far away from the adjusting screw rod, of the screw rod sleeve is provided with a rotating block which is fixedly connected with the traction chain, and the rotating block is rotationally connected with the screw rod sleeve.

Preferably, the side wall of the adjusting screw is provided with a guide chute extending from the root to the head along the length direction, and the guide seat is internally provided with a positioning block matched with the guide chute.

Preferably, the surface of the pulley is provided with a rubber sleeve, and the surface of the rubber sleeve is provided with anti-skid lines.

Advantageous effects

The plate descending machine for the brick production line has the following effects:

according to the utility model, the upper end and the lower end of the shell are respectively provided with the opposite fracture detectors, the fracture detectors at the upper end and the lower end are respectively fixedly connected with the two ends of the traction chain, and the shell is internally provided with the synchronous wheel and the braking mechanism which are coaxially connected with each pulley of the pulley block, so that when the traction chain breaks, the fracture detectors drive the braking mechanism to brake the synchronous wheel, and each pulley of the pulley block is braked, thereby preventing the lifting mechanism, the fork frame and the brick plate from falling, avoiding personnel and property loss caused by the broken chain, and improving the safety of the plate falling machine.

Drawings

Other features, objects and advantages of the present utility model will become more apparent upon reading of the detailed description of non-limiting embodiments, given with reference to the accompanying drawings in which:

fig. 1 is a schematic view of a plate lowering machine for a brick production line according to the present utility model;

FIG. 2 is a schematic diagram of the elevation of the guide rail and lift mechanism of the present utility model;

FIG. 3 is a schematic view of the structure of A-A of FIG. 2 according to the present utility model;

FIG. 4 is an enlarged schematic view of the structure of FIG. 3B according to the present utility model;

FIG. 5 is a schematic diagram of a fracture detector according to the present utility model;

FIG. 6 is a schematic view of a partial cross-sectional structure of a rubber sleeve of the present utility model.

In the figure: the device comprises a fixed frame body-1, a guide rail-2, a lifting mechanism-3, a fork frame-4, a driving roll shaft-5, a driven wheel group-6, a traction chain-7, a driving motor-8, a shell-31, a pulley block-32, a fracture detector-33, a synchronous wheel-34, a braking mechanism-35, a guard plate-321, a pulley-322, a connecting piece-331, a clamping plate-332, a guide seat-311, a first spring-333, a braking rod-351, a rotating shaft-352, a braking piece-353, a second spring-354, a bump-334, a sudden stop button-36, an adjusting screw-335, a screw sleeve-336, a rotating block-337, a guide groove-338, a positioning block-312 and a rubber sleeve-323.

Detailed Description

The utility model is further described in connection with the following detailed description, in order to make the technical means, the creation characteristics, the achievement of the purpose and the effect of the utility model easy to understand.

Referring to fig. 1-3, the present utility model provides a plate lowering machine for a brick production line, which comprises the following technical scheme: the structure comprises: the fixed framework 1, two vertical parallel arrangement are in the guide rail 2 of fixed framework 1 one side, and sliding connection is in elevating system 3 on guide rail 2, is fixed in elevating system 3 and is used for placing the fork 4 of layer board, fixed framework 1 is close to guide rail 2 one side upper and lower both ends and is equipped with initiative roller 5 and driven wheelset 6 respectively, initiative roller 5 passes through traction chain 7 with driven wheelset 6 and is connected, traction chain 7's both ends are fixed connection about elevating system 3 respectively, fixed framework 1 top is equipped with drive initiative roller 5 pivoted driving motor 8, elevating system 3 includes the casing 31 between two guide rails 2, casing 31 both sides are equipped with along guide rail 2 up-and-down rolling assembly pulley 32, casing 31 upper and lower both ends are fixed with fracture detector 33 respectively, and are connected with traction chain 7's both ends respectively, have the synchronizing wheel 34 with every pulley coaxial coupling of assembly pulley 32 in the casing 31, still be equipped with the brake mechanism 35 that is used for braking synchronizing wheel 34 in the casing 31.

The current trigger that falls drives initiative roller 5 through driving motor 8 when using and rotates, make traction chain 7 rotate between initiative roller 5 and driven wheelset 6, simultaneously traction chain 7 drives casing 31 reciprocate, the assembly pulley 32 of casing 31 both sides reciprocates along guide rail 2, after casing 31 drives fork truck 4 and moves to higher platform, place the brick board on fork truck 4, drive initiative roller 5 through driving motor 8 and rotate, make casing 31 drive fork truck 4 and remove the brick board, thereby accomplish the operation of falling the board, but when the chain takes place to break suddenly, easily lead to elevating system, fork truck and brick board fall suddenly, cause personnel and property loss, therefore, be provided with respectively at casing 31 upper and lower both ends and to break detector 33, and the break detector 33 at upper and lower both ends respectively with traction chain 7's both ends fixed connection, be equipped with simultaneously in casing 31 with every pulley coaxial coupling's of assembly pulley 34 and brake mechanism 35, when traction chain 7 takes place to break, the brake mechanism 33 drives brake mechanism 35 and carries out synchronous wheel 34 to the assembly pulley 34 and brake mechanism to the brake board, thereby prevent that the loss of personnel and property from falling down to the assembly pulley truck 32, thereby, prevent that the loss of personnel and property from falling down to the brake board 32.

As shown in fig. 1-3, the pulley block 32 includes guard plates 321 disposed on the left and right sides of each guide rail 2, and four pulleys 322 disposed between the guard plates 321 and symmetrically disposed on the front and rear sides of the guide rails 2, where one guard plate 321 is fixedly connected to the housing 31, and the pulleys 322 are coaxially connected to the synchronizing wheel 34, so that when the traction chain 7 drives the housing 31 to move up and down, the pulleys 322 move synchronously along the guide rails 2, thereby ensuring the stability of the lifting mechanism 3 in moving.

As shown in fig. 3-5, specifically, the breakage detector 33 includes two connecting pieces 331 slidably connected to the upper and lower sides of the housing 31, one end of each connecting piece 331 is fixedly connected to the traction chain 7, the other end of each connecting piece 331 is provided with a locking plate 332, the upper and lower ends of the housing 31 are respectively provided with a guide seat 311 for the connecting pieces 331 to slide up and down, a first spring 333 is arranged outside each connecting piece 331, and the first spring 333 is arranged between the locking plate 332 and the guide seat 311, so that in a normal state, the traction chain 7 pulls the connecting pieces 331 outwards, the locking plates 332 are caused to squeeze the first springs 333, when any one end of the traction chain 7 connected to the upper and lower ends of the housing 31 breaks, the traction chain 7 loses the tension on the connecting pieces 331, so that the first springs 333 are unfolded, and the connecting pieces 331 are driven to move along the guide seats 311 towards the inside of the housing 31, thereby pushing the brake mechanism 35 to brake the corresponding pulleys 322, and simultaneously preventing the lifting mechanism 3, the fork 4 and the brick plate from losing.

As shown in fig. 3 to 4, in particular, the braking mechanism 35 includes four sets of symmetrically arranged braking rods 351, each set of braking rods 351 is rotatably connected to one side of each synchronizing wheel 34, which is close to the locking plate 332, through a rotating shaft 352, a braking plate 353 is arranged on one side of each braking rod 351, which faces the synchronizing wheel 34, and one end of each set of braking rods 351, which is close to the locking plate 332, is connected with a second spring 354; the locking plate 332 is provided with a protrusion 334 pushing each group of brake rods 351 to clamp the corresponding synchronous wheel 34 towards one side of the synchronous wheel 34, wherein the rotating shaft 352 is arranged between the synchronous wheel 34 and the second spring 354, the protrusion 334 is in an isosceles trapezoid structure, one end of the protrusion 334 close to the second spring 354 is defined as an end part, one end connected with the locking plate 332 is defined as a root part, and the width of the protrusion 334 from the end part to the root part is gradually reduced, so that in a normal state, the second spring 354 drives the two brake rods 351 to rotate around the rotating shaft 352, the end of the brake rod 351 close to the protrusion 334 is promoted to shrink and be attached to two inclined surfaces of the protrusion 334, one end close to the synchronous wheel 34 is outwards unfolded, and a brake piece 353 of the brake rod 351 is separated from the synchronous wheel 34; when the traction chain 7 breaks, the first spring 333 pushes the locking plate 332 to move towards the inside of the shell 31, the protruding block 334 moves synchronously with the locking plate 332, the brake rod 351 is pushed to rotate around the rotating shaft 352, one end, close to the protruding block 334, of the brake rod 351 is outwards expanded and stretches the second spring 354, one end, close to the synchronizing wheel 34, of the brake rod 353 contracts and clamps the synchronizing wheel 34, the brake piece 353 clamps and brakes the synchronizing wheel 34, the corresponding pulley 322 is enabled to brake simultaneously, and personnel and property losses caused by falling of the lifting mechanism 3, the fork 4 and the brick plate are prevented.

The brake pad 353 has an arc structure facing the synchronizing wheel 34, and is concentric with the edge of the synchronizing wheel 34, so that the contact area between the brake pad 353 and the edge of the synchronizing wheel 34 during braking is increased, and the braking effect is improved.

As shown in fig. 3-4, the upper and lower ends in the housing 31 are respectively provided with a scram button 36 disposed towards the locking plate 332, and the scram button 36 is electrically connected with the driving motor 8, then when the first spring 333 pushes the locking plate 332 to move towards the interior of the housing 31, the locking plate 332 simultaneously presses the scram button 36 to stop the driving motor 8, and when the traction chain 7 is repaired, the traction chain 7 pulls the connecting piece 331 outwards, and after the locking plate 332 is separated from the scram button 36, the driving motor 8 is recovered to be used, so that overheat burnout caused by continued operation of the driving motor 8 after the pulley 322 is braked is avoided.

As shown in fig. 5, in order to facilitate the installation of the traction chain 7 and the connecting piece 331, the connecting piece 331 includes an adjusting screw 335 slidingly connected in the guide holder 311, one end of the adjusting screw 335 near the traction chain 7 is provided with a screw sleeve 336 screwed with the adjusting screw 335, one end of the screw sleeve 336 far away from the adjusting screw 335 is provided with a rotating block 337 fixedly connected with the traction chain 7, the rotating block 337 is rotationally connected with the screw sleeve 336, and when the traction chain 7 and the connecting piece 331 are installed, the adjusting screw 335 passes through the guide holder 311 first, one end of the adjusting screw 335 is fixedly connected with the clamping plate 332, and meanwhile, the rotating block 337 is fixedly connected with the end of the traction chain 7, and then the screw sleeve 336 is screwed with the adjusting screw 335, after the traction chain 7 is in a stretched state, the rotating block 337 is rotationally connected with the screw sleeve 336, and then when the screw sleeve 336 is screwed, the rotating block 337 is prevented from driving the traction chain 7 to rotate simultaneously, so that the traction chain 7 is twisted.

As shown in fig. 4-5, the side wall of the adjusting screw 335 is provided with a guiding chute 338 extending from the root to the head along the length direction, and the guiding seat 311 is internally provided with a positioning block 312 matched with the guiding chute 338, so that when the adjusting screw 335 slides along the guiding seat 311, the guiding chute 338 slides along the positioning block 312 at the same time, the adjusting screw 335 is prevented from deflecting during sliding, and the bump 334 on the locking plate 332 is guaranteed to push the braking rod 351 to clamp the synchronous wheel 34, thereby completing the braking operation.

As shown in fig. 6, the surface of the pulley 322 is provided with a rubber sleeve 323, and the surface of the rubber sleeve 323 is provided with anti-slip lines, so that the noise generated when the pulley 322 rolls along the guide rail 2 can be effectively reduced, the friction force between the pulley 322 and the guide rail 2 is increased, and the braking effect of the pulley 322 is ensured.

The foregoing has described only the basic principles and preferred embodiments of the present utility model, and many variations and modifications will be apparent to those skilled in the art in light of the above description, which variations and modifications are intended to be included within the scope of the present utility model.

Furthermore, it should be understood that although the present disclosure describes embodiments, not every embodiment is provided with a separate embodiment, and that this description is provided for clarity only, and that the disclosure is not limited to the embodiments described in detail below, and that the embodiments described in the examples may be combined as appropriate to form other embodiments that will be apparent to those skilled in the art.

Claims (8)

1. A fall trigger for fragment of brick production line, its structure includes: fixed framework (1), two vertical parallel sets up in guide rail (2) of fixed framework (1) one side, elevating system (3) of sliding connection on guide rail (2), be fixed in fork (4) that elevating system (3) are used for placing the layer board, both ends are equipped with initiative roller (5) and driven wheelset (6) about fixed framework (1) are close to guide rail (2) one side respectively, initiative roller (5) are connected through traction chain (7) with driven wheelset (6), both ends of traction chain (7) are respectively with elevating system (3) upper and lower both ends fixed connection, fixed framework (1) top is equipped with drive motor (8) that drive initiative roller (5) pivoted, its characterized in that: the lifting mechanism (3) comprises a shell (31) positioned between two guide rails (2), pulley blocks (32) rolling up and down along the guide rails (2) are arranged on two sides of the shell (31), fracture detectors (33) are respectively fixed at the upper end and the lower end of the shell (31), the shell is respectively connected with two ends of a traction chain (7), a synchronous wheel (34) coaxially connected with each pulley of the pulley blocks (32) is arranged in the shell (31), and a braking mechanism (35) used for braking the synchronous wheel (34) is further arranged in the shell (31).

2. A trigger drop for a brick production line as defined in claim 1, wherein: the pulley block (32) comprises guard plates (321) which are arranged on the left side and the right side of each guide rail (2), and four pulleys (322) which are arranged between the guard plates (321) and are symmetrically arranged on the front side and the rear side of the guide rails (2).

3. A trigger drop for a brick production line as defined in claim 2, wherein: the fracture detector (33) comprises two connecting pieces (331) which are connected to the upper side and the lower side of the shell (31) in a sliding mode, one end of each connecting piece (331) is fixedly connected with the traction chain (7), the other end of each connecting piece is provided with a clamping plate (332), guide bases (311) for the connecting pieces (331) to slide up and down are arranged at the upper end and the lower end of the shell (31) respectively, a first spring (333) is arranged outside the connecting pieces (331), and the first spring (333) is arranged between the clamping plates (332) and the guide bases (311).

4. A trigger drop for a brick production line as defined in claim 3, wherein: the braking mechanism (35) comprises four groups of symmetrically arranged braking rods (351), each group of braking rods (351) is rotationally connected to one side, close to the clamping plate (332), of each synchronous wheel (34) through a rotating shaft (352), a braking plate (353) is arranged on one side, facing the synchronous wheels (34), of each braking rod (351), and one end, close to the clamping plate (332), of each braking rod (351) is connected with a second spring (354); one side of the clamping plate (332) facing the synchronous wheel (34) is provided with a convex block (334) for pushing each group of brake rods (351) to clamp the corresponding synchronous wheel (34).

5. A trigger drop for a brick production line as defined in claim 4, wherein: the upper end and the lower end in the shell (31) are respectively provided with an emergency stop button (36) arranged towards the clamping plate (332), and the emergency stop buttons (36) are electrically connected with the driving motor (8).

6. A trigger drop for a brick production line as defined in claim 5, wherein: the connecting piece (331) is including sliding connection adjusting screw (335) in guide holder (311), one end that adjusting screw (335) is close to traction chain (7) is equipped with screw rod cover (336) with adjusting screw (335) threaded connection, one end that adjusting screw (335) was kept away from to screw rod cover (336) is equipped with rotatory piece (337) with traction chain (7) fixed connection, rotatory piece (337) rotate with screw rod cover (336) and are connected.

7. A trigger drop for a brick production line as defined in claim 6, wherein: the side wall of the adjusting screw (335) is provided with a guide chute (338) extending from the root to the head along the length direction, and a positioning block (312) matched with the guide chute (338) is arranged in the guide seat (311).

8. A plate lowering machine for a brick production line according to any of claims 2-7, wherein: the surface of the pulley (322) is provided with a rubber sleeve (323), and the surface of the rubber sleeve (323) is provided with anti-skid lines.

Images