CN211661695U - Seat type floor grinding machine - Google Patents

Abstract

The utility model provides a seat type terrace grinder, which comprises a grinder body, a seat is fixed at the top of the grinder body, a grinding head is arranged at the front side of the grinder, an air cylinder is hinged on the front end face of the grinder body, a connecting plate is arranged beside the air cylinder, the front end of the connecting plate is hinged at the lower part of the grinding head, the rear end of the connecting plate is rotationally connected at the front side of the grinder body, the telescopic end of the air cylinder is hinged at the middle part of the connecting plate, a dividing pin fixing seat is fixedly arranged on the outer wall of the grinder body, dividing pins are all arranged on the dividing pin fixing seat, the inner ends of the dividing pins are inserted into a ratchet wheel for fixing, the front end of the grinder body drives the grinding head to be lifted through the air cylinder and the connecting plate, pawls are all connected on the outer side wall of the connecting plate through pins and can be meshed with tooth grooves on, the safety limiting mechanism of the grinding machine is simple and reasonable in structure, low in cost, simple in operation, simple and reasonable in structure and convenient and fast in operation.

Description

Seat type floor grinding machine

Technical Field

The utility model relates to a seat formula terrace grinds machine.

Background

Present all operating personnel of grinding machine are the operation of standing and grind the machine, and operating personnel is comparatively painstaking, and on the other hand grinds the machine and maintains or when changing through the lifting grinding head, for preventing that the cylinder from becoming invalid, and the grinding head drops the harm that produces the staff.

Disclosure of Invention

The utility model discloses improve above-mentioned problem, promptly the to-be-solved technical problem of the utility model is that current grinding machine operating personnel all is the operation of standing, and is easy tired, and the risk is high when changing the grinding head.

The utility model discloses a concrete implementation scheme is: a seat type floor grinding machine comprises a grinding machine body, a seat is fixed at the top of the grinding machine body, a grinding head is arranged at the front side of the grinding machine, an air cylinder is hinged on the front end face of the grinding machine body, a connecting plate is arranged beside the air cylinder, the front end of the connecting plate is hinged on the lower portion of the grinding head, the rear end of the connecting plate is rotatably connected on the front side of the grinding machine body, the telescopic end of the air cylinder is hinged in the middle of the connecting plate, indexing pin fixing seats are fixedly arranged at the front ends of the left outer wall and the right outer wall of the grinding machine body, the indexing pin fixing seats are all provided with indexing pins, the indexing pins horizontally penetrate through the indexing pin fixing seats and the grinding machine body from outside to inside in sequence, the inner ends of the indexing pins are inserted into a ratchet wheel for fixing, the front end of the grinding machine body drives the grinding head to lift through the cylinder and the connecting plate, the outer side wall of the connecting plate is connected with pawls through pins, and the pawls can be meshed with tooth grooves in the ratchet wheel.

Furthermore, the indexing pin and the ratchet wheel are coaxial and are connected through a key, the connecting part of the indexing pin and the indexing pin mounting seat is a male-female groove type connection so as to limit the rotation of the indexing pin, the connecting plate is parallel to the left side wall and the right side wall of the grinding machine body, and the outer end of the indexing pin is fixedly connected with a hand wheel.

Furthermore, a roller limiting device is fixedly arranged at the position, close to the lower end, of the front end face of the grinding machine body, and the roller limiting device is contacted with the grinding head when the grinding head is lifted through a front-end roller so that the grinding head rotates around a hinged point with the connecting plate.

Furthermore, the two cylinders extend downwards in an inclined mode, the two connecting plates corresponding to the cylinders are arranged, the connecting plates are V-shaped, V openings face downwards, piston rods at the front ends of the two cylinders are hinged to the tops of the connecting plates, the two connecting plates are parallel to each other left and right, the front ends of the two connecting plates are hinged to the upper surface of the grinding head, the roller limiting device is located between the two connecting plates and comprises two right-angled trapezoidal plates and a square plate, the right-angled edges at the rear ends of the two right-angled trapezoidal plates are fixedly connected with the square plate into a whole, and the square plate is fixed with the grinding machine body through bolts; the oblique waist parts of the two right-angle trapezoidal plates extend forwards and downwards obliquely, a rolling shaft is horizontally and transversely arranged between the front end parts of the two right-angle trapezoidal plates, the rolling shaft extends left and right to penetrate through the two right-angle trapezoidal plates, and the rolling shaft is coaxially sleeved with the rolling shaft; two right angle trapezoidal boards all seted up one from the bottom and stepped down the groove upwards.

Further, still the level violently is equipped with three connecting rods between two right trapezoid boards, and the connecting rod is all controlled the level and is extended and fixed with right trapezoid board, and three connecting rods divide to establish different positions between the right trapezoid board and form a triangle-shaped, it is spacing with the roller cooperation to set firmly the limiting plate on the grinding head surface under the roller.

Furthermore, pedal devices are mounted on two side walls of the grinding machine body, a square groove is formed in the front side surface of the grinding machine body and close to the top portion of the grinding machine body in the backward direction, and a pedal plate is connected to the square groove in a sliding mode through a sliding rail.

Further, the pedal device is including being the kicking plate of L type, and the vertical section of this kicking plate all is close to the machine body of grinding and extends down, and the horizontal segment all is located vertical section upper end and outwards extends towards both sides, and the side all links firmly type right triangle's backup pad around this kicking plate, and this backup pad right angle department all runs through and extends around a round axle, all has set firmly the fixed block on the machine body of grinding of kicking plate front and back end, and it is fixed to extend into the fixed block around the round axle.

Furthermore, two shaft sleeves are installed at the bending position of the middle section of the pedal plate, the shaft sleeves are fixedly connected to the pedal plate and are in clearance fit with the pedal plate through round shafts, the sliding rails are installed on the left inner wall and the right inner wall of the square groove and extend backwards, control boxes are fixedly arranged on two sides of the seat, and a plurality of control buttons are installed on the surfaces of the control boxes.

Compared with the prior art, the utility model discloses following beneficial effect has: the design through the ratchet pawl provides further safety guarantee on the staff carrying out the grinding head and changing and maintaining, and this grinds quick-witted safety limiting mechanism simple structure is reasonable, and is with low costs, easy operation. On the other hand, in the embodiment of the utility model provides an, through setting up running roller stop device, drive the piston rod shrink when the cylinder, the grinding head will be along the grinding head with even pin joint clockwise rotation of board under the effect of roller, the slant is forward this moment of vertical grinding head down promptly originally, just to changing the interior abrasive material of grinding head with operating personnel, labour saving and time saving more, work efficiency will improve this seat formula terrace and grind quick-witted angle adjusting mechanism simple rationally greatly, does benefit to work efficiency's improvement. Furthermore the utility model discloses a grind machine pass through seat formula structure, can satisfy operating personnel and take and realize grinding on the seat, in this embodiment in addition, through the design of rotatable expansion with the pedal device that draws in, it is more convenient to make operating personnel climb on grinding the machine body, and the seat is with the running-board design that can protractile, has offered the more comfortable safe operational environment of operator, and work efficiency improves greatly.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

FIG. 2 is a schematic view of the indexing pin holder mounted to the grinder body;

fig. 3 is a partial side view of the roller limiting device in a static state according to the embodiment of the present invention;

FIG. 4 is a schematic view of the overall structure of the present invention;

fig. 5 is a side view of an embodiment of the invention;

FIG. 6 is a partial schematic view of a polishing head lifting structure according to an embodiment of the present invention;

FIG. 7 is a schematic view of the pedal assembly in the embodiment of the present invention in a retracted state;

FIG. 8 is a schematic view of a partial structure of a pedal device according to an embodiment of the present invention;

fig. 9 is a schematic view illustrating the connection between the pedal and the slide rail according to the embodiment of the present invention.

In the figure: 1-grinding machine body, 2-index pin fixing seat, 3-index pin, 4-ratchet wheel, 5-cylinder, 6-connecting plate, 7-grinding head, 8-pin shaft, 9-pawl, 10-hand wheel, 15-roller limiting device, 16-roller, 17-piston rod, 18-right-angle trapezoidal plate, 19-square plate, 110-roller, 111-abdicating groove, 112-connecting rod and 113-limiting plate. In the figure: 22-pedal means, 23-square groove, 24-slide rail, 25-pedal, 26-seat, 27-pedal, 28-support plate, 29-round shaft, 210-fixed block, 211-shaft sleeve, 212-control box, 213-control button, 214-caster, 215-support wheel.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.

As shown in fig. 1-2, a safety limiting mechanism of a grinding machine comprises a grinding machine body 1, wherein the front end of the left outer wall and the right outer wall of the grinding machine body are respectively and fixedly provided with an indexing pin fixing seat 2, indexing pins 3 are respectively installed on the indexing pin fixing seats, the indexing pins sequentially penetrate through the indexing pin fixing seats and the grinding machine body from outside to inside in a horizontal mode, the inner ends of the indexing pins are respectively inserted into a ratchet 4 for fixing, the front end of the grinding machine body drives a grinding head 7 to be lifted through a cylinder 5 and a connecting plate 6, the outer side wall of the connecting plate is respectively connected with a pawl 9 through a pin shaft 8, and the pawl can be meshed with tooth grooves on the.

In the embodiment of the utility model, the indexing pin and the ratchet wheel are coaxial and are connected through a key, and the connection part of the indexing pin and the indexing pin mounting seat is in a male-female groove type connection to limit the rotation of the indexing pin, so that the indexing pin can only horizontally slide inside and outside; the connecting plate is parallel to the left side wall and the right side wall of the grinding machine body.

The embodiment of the utility model provides an in, even the board all is the V font, and the V mouth is down, and the piston rod of two cylinder front ends all with even the board top articulated, even the board front end all articulates on the grinding head, the rear end is all rotated and is connected on grinding the machine body.

In the embodiment of the present invention, the outer end of the indexing pin is fixedly connected to a hand wheel 10.

In this embodiment, the front end of the connecting plate is hinged to the upper end of the polishing head, a roller limiting device 15 is fixedly disposed near the lower end of the front end surface of the polishing machine body, and the roller limiting device makes the polishing head rotate around a hinge point with the connecting plate by contact with the polishing head when the polishing head is lifted by the front roller 16.

The embodiment of the utility model provides an in, cylinder 5 is provided with two and all extends to one side down, and even board 6 rather than corresponding also is provided with two, even the board all is the V font, and the V mouth down, and the piston rod 17 of two cylinder front ends all with even the board top is articulated, two even boards about parallel and front end all articulate at the grinding head upper surface, the rear end all rotates to be connected on grinding the machine body, this V mouth is the obtuse angle.

In the embodiment of the utility model, the roller limiting device is positioned between the two connecting plates, the roller limiting device comprises two right-angled trapezoidal plates 18 and a square plate 19 which are parallel left and right, the right-angled edges at the rear ends of the two right-angled trapezoidal plates are fixedly connected with the square plate into a whole, and the square plate is fixed with the grinding machine body through bolts; the oblique waist parts of the two right-angle trapezoidal plates extend forwards and downwards obliquely, a rolling shaft 110 is horizontally and transversely arranged between the front end parts of the two right-angle trapezoidal plates, the rolling shaft extends left and right to penetrate through the two right-angle trapezoidal plates, and the rolling shaft is coaxially sleeved with the rolling shaft; two right angle trapezoidal boards have all seted up one from the bottom up and have stepped down groove 111, should step down the groove and step down the grinding head side when the grinding head is lifted to guarantee roller and limiting plate front end contact.

The embodiment of the utility model provides an in, it violently is equipped with three connecting rods 112 to go back the level between two right trapezoid boards, and the level is extended and is fixed with the right trapezoid board about the connecting rod is all, and three connecting rods divide to establish and form a triangle-shaped between the different positions of right trapezoid board to make running roller stop device whole more stable.

In the embodiment of the present invention, a limiting plate 113 is fixed on the surface of the grinding head under the roller to cooperate with the roller for limiting.

The utility model discloses theory of operation of embodiment: when the air cylinder drives the piston rod to contract, the connecting plate is pulled to rotate clockwise around the rear end rotation connection point of the connecting plate, the grinding head is driven to lift, when the upper end of the grinding head is lifted to be in contact with the roller, the grinding head is limited by the roller limiting device to continue lifting, when the piston rod continues to contract, the grinding head rotates clockwise along the hinge point of the grinding head and the connecting plate under the action of the roller, after rotating a certain angle, the piston rod is completely contracted, the grinding head which is originally vertically downward inclines forwards at the moment, the grinding head can replace the grinding materials in the grinding head with an operator, time and labor are saved, the working efficiency is greatly improved, when the grinding head is lifted to the top through the air cylinder and the connecting plate, the hand wheel can be pressed inwards, the index pin moves inwards, the ratchet wheel is meshed with the pawl, the connecting plate is further; when the grinding head needs to be reset, the hand wheel is only required to be pulled out, the ratchet wheel and the pawl are staggered, and the grinding head can be reset through the cylinder and the connecting plate.

In this embodiment, the two side walls of the grinder body 1 are both provided with pedal devices 22, the front side surface of the grinder body is provided with a square groove 23 facing backwards near the top, the square groove is slidably connected with a pedal 25 through a slide rail 24, and the top of the grinder body is fixedly provided with a seat 26.

In the embodiment of the utility model, the pedal device comprises a pedal 27 in an L shape, the vertical section of the pedal is close to the grinder body and extends downwards, the horizontal section is located at the upper end of the vertical section and extends outwards towards both sides, the front side and the rear side of the pedal are fixedly connected with a supporting plate 28 similar to a right triangle, the right angle of the supporting plate runs through and extends forwards and backwards through a round shaft 29, the grinder body at the front end and the rear end of the pedal is fixedly provided with a fixed block 210, and the round shaft extends forwards and backwards into the fixed block for fixation; when the pedal is used, the pedal rotates outwards to the horizontal position along the circular shaft, the horizontal section of the pedal is in the horizontal state, the vertical section of the pedal is attached to and supported by the side wall of the grinding machine body, the pedal is more stable under the supporting effect of the supporting plate, an operator can be supported to climb on the grinding machine body, the pedal device can rotate reversely to the vertical position along the circular shaft when the pedal is idle, and the horizontal section of the pedal is in the vertical state and attached to the side wall of the grinding machine body so as to reduce the occupied space of the pedal device.

The embodiment of the utility model provides an in, two axle sleeves 211 are installed to footboard middle section department of buckling, and this axle sleeve all links firmly on the footboard, and passes rather than clearance fit by the round axle.

The embodiment of the utility model provides an in, the slide rail is installed and is extended towards the back on the inner wall about square groove, and the operator can be with running-board pull forward at the during operation and support the operator, and the use of cooperation seat provides a comfortable operational environment of operator, and work efficiency will improve, need stand before comparing and also more safety and stability at subaerial operation, grind the machine body and also provide stable the point of stepping on about the operator simultaneously.

The embodiment of the utility model provides an in, the seat both sides have set firmly control box 212, control box surface mounting has a plurality of control button 213, and control button can be used to control cylinder and drive the switch that fixed work closed on the grinding head, and as for its inside concrete control method be ripe prior art, do not do too much to describe here.

The embodiment of the utility model provides an in, grind quick-witted body front end bottom and be provided with two truckles 214, grind quick-witted body rear end mid-mounting has supporting wheel 215, rotates by control box control, and different and current hand-held grind machine.

Any technical solution disclosed in the present invention is, unless otherwise stated, disclosed a numerical range if it is disclosed, and the disclosed numerical range is a preferred numerical range, and any person skilled in the art should understand that: the preferred ranges are merely those values which are obvious or representative of the technical effect which can be achieved. Because numerical value is more, can't be exhaustive, so the utility model discloses just disclose some numerical values with the illustration the technical scheme of the utility model to, the numerical value that the aforesaid was enumerated should not constitute right the utility model discloses create the restriction of protection scope.

If the terms "first," "second," etc. are used herein to define parts, those skilled in the art will recognize that: the terms "first" and "second" are used merely to distinguish one element from another in a descriptive sense and are not intended to have a special meaning unless otherwise stated.

Also, above-mentioned the utility model discloses if disclose or related to mutually fixed connection's spare part or structure, then, except that other the note, fixed connection can understand: a detachable fixed connection (for example using bolts or screws) is also understood as: non-detachable fixed connections (e.g. riveting, welding), but of course, fixed connections to each other may also be replaced by one-piece structures (e.g. manufactured integrally using a casting process) (unless it is obviously impossible to use an integral forming process).

In addition, the terms used in any aspect of the present disclosure as described above to indicate positional relationships or shapes include similar, analogous, or approximate states or shapes unless otherwise stated.

The utility model provides an arbitrary part both can be assembled by a plurality of solitary component parts and form, also can be the solitary part that the integrated into one piece technology was made.

Finally, it should be noted that the above embodiments are only used for illustrating the technical solutions of the present invention and not for limiting the same; although the present invention has been described in detail with reference to preferred embodiments, it should be understood by those skilled in the art that: the invention can be modified or equivalent substituted for some technical features; without departing from the spirit of the present invention, it should be understood that the scope of the claims is intended to cover all such modifications and variations.

Claims (8)

1. The seat type floor grinding machine is characterized by comprising a grinding machine body, wherein a seat is fixed at the top of the grinding machine body, a grinding head is arranged on the front side of the grinding machine and fixedly arranged, an air cylinder is hinged on the front end surface of the grinding machine body, a connecting plate is arranged beside the air cylinder, the front end of the connecting plate is hinged on the lower part of the grinding head, the rear end of the connecting plate is rotatably connected to the front side of the grinding machine body, the telescopic end of the air cylinder is hinged in the middle of the connecting plate, indexing pin fixing seats are fixedly arranged at the front ends of the left and right outer walls of the grinding machine body, indexing pins are respectively arranged on the indexing pin fixing seats, the indexing pins horizontally penetrate through the indexing pin fixing seats and the grinding machine body from outside to inside in sequence, the inner ends of the indexing pins are respectively inserted into a ratchet wheel for fixation, the front end of the grinding machine body drives the grinding head, the pawl is engageable with a tooth groove on the ratchet wheel.

2. The seat-type floor grinding machine of claim 1, characterized in that: the dividing pin and the ratchet wheel are coaxial and are connected through a key, the connecting part of the dividing pin and the dividing pin mounting seat is a male-female groove type connecting part to limit the rotation of the dividing pin, the left side wall and the right side wall of the grinding machine body are parallel, and the outer end of the dividing pin is fixedly connected with a hand wheel.

3. The seat-type floor grinding machine of claim 2, characterized in that: a roller limiting device is fixedly arranged at the position, close to the lower end, of the front end face of the grinding machine body, and the roller limiting device is contacted with the grinding head when the grinding head is lifted through a front-end roller so that the grinding head rotates around a hinged point of the grinding head and the connecting plate.

4. The seat-type floor grinding machine of claim 3, characterized in that: the grinding head comprises a grinding head body, a grinding head, a cylinder, two connecting plates, a roller limiting device and a grinding head body, wherein the cylinder is provided with two cylinders which extend downwards in an inclined direction, the connecting plates corresponding to the cylinders are also provided with two connecting plates, the connecting plates are in a V shape, a V opening faces downwards, piston rods at the front ends of the two cylinders are hinged to the tops of the connecting plates, the two connecting plates are parallel left and right, the front ends of the two connecting plates are hinged to the upper surface of the grinding head, the roller limiting device is positioned between the two connecting plates and comprises two right-angled trapezoidal plates which are parallel left and right and a square plate, the right-angled edges at the rear ends of; the oblique waist parts of the two right-angle trapezoidal plates extend forwards and downwards obliquely, a rolling shaft is horizontally and transversely arranged between the front end parts of the two right-angle trapezoidal plates, the rolling shaft extends left and right to penetrate through the two right-angle trapezoidal plates, and the rolling shaft is coaxially sleeved with the rolling shaft; two right angle trapezoidal boards all seted up one from the bottom and stepped down the groove upwards.

5. The seat-type floor grinding machine of claim 4, characterized in that: still the level violently is equipped with three connecting rods between two right trapezoid boards, and the connecting rod is all controlled the level and is extended and fixed with right trapezoid board, and three connecting rods are established respectively and are formed a triangle-shaped between the different positions of right trapezoid board and between, it is spacing with the roller cooperation to set firmly the limiting plate on the grinding head surface under the roller.

6. The seat-type floor grinding machine of claim 5, characterized in that: the two side walls of the grinding machine body are respectively provided with a pedal device, a square groove is formed in the front side surface of the grinding machine body, close to the top, and is backwards provided, and a pedal plate is connected in the square groove in a sliding mode through a sliding rail.

7. The seat-type floor grinding machine of claim 6, characterized in that: the pedal device is including being the kicking plate of L type, and the vertical section of this kicking plate all is close to and grinds the machine body and extend down, and the horizontal segment all is located vertical section upper end and outwards extends towards both sides, and the side all links firmly type right triangle's backup pad around this kicking plate, and this backup pad right angle department all runs through and extends around a round axle, all has set firmly the fixed block on the grinding machine body of kicking plate front and back end, and it is fixed to extend into the fixed block around the round axle.

8. The seat-type floor grinding machine of claim 7, characterized in that: two shaft sleeves are installed at the bending position of the middle section of the pedal plate, the shaft sleeves are fixedly connected to the pedal plate and are in clearance fit with the pedal plate through round shafts, the sliding rails are installed on the left inner wall and the right inner wall of the square groove and extend backwards, control boxes are fixedly arranged on two sides of the seat, and a plurality of control buttons are installed on the surfaces of the control boxes.

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