CN212145617U

CN212145617U - Safety protection door mechanism for horizontal machining center exchange platform

Info

Publication number: CN212145617U
Application number: CN201922486124.6U
Authority: CN
Inventors: 潘卫国; 缪申; 金雷; 钱旭
Original assignee: Nantong Guosheng Intelligent Technology Group Co ltd
Current assignee: Nantong Guosheng Intelligent Technology Group Co ltd
Priority date: 2019-12-31
Filing date: 2019-12-31
Publication date: 2020-12-15
Anticipated expiration: 2029-12-31

Abstract

The utility model discloses a safety protection door mechanism for a horizontal machining center exchange station, which comprises a door frame, an upper sliding door and a lower sliding door, the upper moving door and the lower moving door are staggered from front to back and are movably arranged on the door frame up and down, a driving mechanism is arranged on the door frame, the output end of the driving mechanism is respectively connected with the upper sliding door and the lower sliding door, the driving mechanism is used for driving the upper sliding door and the lower sliding door to synchronously open and close, the upper moving door and the lower moving door are slidably arranged on the door frame through a sliding limiting mechanism, the utility model discloses a safety protection door mechanism for a horizontal machining center exchange, the freedom degrees of the upper sliding door and the lower sliding door in two mounting directions are limited through the sliding limiting mechanism, the left-right shaking generated when the upper sliding door and the lower sliding door move is prevented, the descending speed smoothness is improved, the occurrence of blocking is reduced, and the opening and closing efficiency of the upper sliding door and the lower sliding door is improved; the stability of the upward sliding door and the downward sliding door is improved, the service life of the chain wheel is prolonged, and the environmental sanitation is protected.

Description

Safety protection door mechanism for horizontal machining center exchange platform

Technical Field

The utility model belongs to the machining field, concretely relates to safety protection door mechanism for horizontal machining center exchange platform.

Background

At present, a protective door mechanism for an exchange table of a horizontal machining center generally adopts a mode of guiding by a linear rail and pushing by an oil cylinder or an air cylinder, but has higher manufacturing cost and can not ensure stability, the exchange table with clamped parts needs to be opened when being sent into the horizontal machining center, in the process of machining the parts, the machine tool door needs to be closed in order to prevent chips from splashing, the machine tool door needs to be opened after the parts are machined to send the parts out including the exchange table, and meanwhile, the next exchange table with clamped parts is sent into the horizontal machining center; therefore, how to improve the efficiency of the safety protection door becomes a key for improving the overall working efficiency of the machine tool.

The utility model CN 201320861660.X discloses an automatic lifting door structure of a horizontal machining center, which utilizes a hydraulic device controlled by a three-position five-way electromagnetic directional valve to drive a steel wire rope to realize the up-and-down of a glass door; the lifting door structure needs hydraulic equipment, so that the cost is higher and the occupied area is large.

The utility model CN 201720341146.1 discloses a vertical moving double-layer protective door applied to a machine tool, wherein a motor drives a chain to drive a vertical moving door to ascend, and after a collision block impacts a vertical moving door in the ascending process, the vertical moving door ascends; the lifting door structure can not only operate unstably and generate impact and noise in the working process, but also can not realize synchronous lifting, and has low working efficiency.

In order to realize the opening and closing of a machine tool door of a horizontal machining center, the prior art provides a double-leaf linkage protective door for the horizontal machining center, the application number is CN 201910051782.4, the synchronous opening and closing of an upward moving door and a downward moving door are realized, the synchronous lifting is realized, the opening and closing efficiency of the upward moving door and the downward moving door is improved, and the cost is reduced; however, when the upper sliding door and the lower sliding door move, because only the degree of freedom in one direction is limited, the upper sliding door and the lower sliding door are easy to swing left and right, the descending speed is not smooth, and jamming is easy to occur.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims at solving the not enough among the prior art, provide a safety protection door mechanism for horizontal machining center exchange platform, improve and go up the sliding door, move down a stability, improve the practical life of sprocket, protection sanitation.

The technical scheme is as follows: the utility model relates to a safety protection door mechanism for horizontal machining center exchange desk, including door frame, upward move door and downward move door stagger and upper and lower movable installation in the door frame around, be provided with actuating mechanism on the door frame, actuating mechanism's output links to each other with upward move door and downward move door respectively, actuating mechanism is used for driving upward move door and downward move door synchronous open and close, upward move door and downward move door through slip limiting mechanism slidable mounting on the door frame, actuating mechanism comprises drive mechanism, the initiative pivot that drives the drive mechanism motion and the power unit that drives the initiative pivot rotation of upward move door and downward move door motion, slip limiting mechanism comprises recess gyro wheel, gyro wheel mount pad, limiting plate, the gyro wheel mount pad is installed respectively at the both sides of upward move door, downward move door, the recess gyro wheel is installed at the edge of gyro wheel mount pad, the limiting plate is provided with a sliding rail parallel to the moving direction of the upper sliding door and the lower sliding door, and a groove in the groove roller is arranged on the sliding rail; the driving rotating shaft is fixed at the top of the door frame through a bearing, and one end of the driving rotating shaft extends out of one side of the door frame and is connected with a power mechanism.

Further, drive mechanism installs in the door frame both sides, drives and moves the door and move down the door removal, and drive mechanism includes: the device comprises a large chain wheel I, a small chain wheel I, an upward sliding door chain, a downward sliding door chain, a large chain wheel II, a small chain wheel II and an adjusting rotating shaft; big sprocket I and little sprocket I are fixed in the initiative pivot, big sprocket II, little sprocket II are all on the door frame of the fixed initiative pivot below of regulation pivot, the winding of the door chain that moves up is at little sprocket I, little sprocket II, and the door chain both ends that move up are fixed on the door that moves up, the door chain that moves down is at big sprocket I, big sprocket II, and the door chain both ends that move down are fixed on the door that moves down.

Further, adjust the pivot and constitute by fixing base, regulation pole, regulating plate, fixed axle, the fixing base sets up both sides about the mounting panel, through the bolt fastening on the door frame, the fixed axle is installed on the regulating plate, be equipped with a plurality of waist type mounting holes on the regulating plate, the regulating plate passes through the bolt fastening on the door frame between two fixing bases, the fixed axle cartridge is on the door frame, and the fixed axle passes through the bearing and is connected with big sprocket II, little sprocket II, it articulates on the fixing base to adjust pole one end, adjusts the pole other end and passes through screw-thread mechanism and install on the regulating plate.

Furthermore, the power mechanism consists of a power motor, a reduction gear box, a power chain, a driving gear and a driven gear; the power motor is installed at reduction gear's input, the last waist type mounting hole that is equipped with of reduction gear is fixed on the door frame through the bolt, the driving gear is installed at the reduction gear output, driven gear fixes in the initiative pivot of stretching out the door frame part, power chain twines on driving gear, driven gear.

Furthermore, a water outlet hole is formed below the door frame, a water receiving disc is arranged below the water outlet hole and fixed on the door frame, and the water receiving disc is connected with a sewage tank through a sewage pipe.

Has the advantages that: compared with the prior art, the utility model, this application discloses a safety protection door mechanism for horizontal machining center exchange platform, the advantage as follows:

(1) the freedom degrees of the two installation directions of the upward moving door and the downward moving door are limited through the sliding limiting mechanism, the leftward and rightward shaking generated when the upward moving door and the downward moving door move is prevented, the descending speed smoothness is improved, the occurrence of blocking is reduced, and the opening and closing efficiency of the upward moving door and the downward moving door is further improved;

(2) the chain of the upper sliding door and the chain of the lower sliding door adjust the degree of tension of the chains through adjusting the waist-shaped holes on the rotating shaft, so that the integrity of the chains is ensured, the service life of the chains is prolonged, and the generation of faults is reduced;

(3) one end of an adjusting rod in the adjusting rotating shaft is installed on the fixing seat, the other end of the adjusting rod is installed on the adjusting plate through a threaded mechanism, the tensioning degree of the upward-moving door chain and the downward-moving door chain can be adjusted conveniently, meanwhile, the stability of the adjusting rotating shaft can be improved, and the stability of the tensioning degree of the chain is guaranteed.

(4) The water outlet hole is formed in the lower portion of the door frame, the water receiving disc is arranged below the water outlet hole and fixed on the door frame, the water receiving disc is connected with the sewage tank through the sewage pipe, cutting fluid entering the interior of the door frame is collected through the gap, and therefore pollution of the driving mechanism or pollution of the working environment is prevented.

Drawings

Fig. 1 is a schematic front view of a cross-sectional structure of the utility model;

FIG. 2 is a schematic sectional view taken along line A-A of FIG. 1;

fig. 3 is a left side view schematic structure of the utility model;

FIG. 4 is an enlarged view of the speed reducer and the door frame of FIG. 3;

FIG. 5 is an enlarged view of the adjusting shaft and the door frame of FIG. 3;

fig. 6 is a schematic top sectional view of the utility model;

FIG. 7 is an enlarged view of a portion of FIG. 6;

fig. 8 is an installation schematic diagram of the power mechanism of the utility model;

1. a door frame; 2. an upward-moving door; 3. a downward moving door; 4. a driving rotating shaft; 5. a groove roller; 6. a roller mounting seat; 7. a limiting plate; 8. a slide rail; 9. a large chain wheel I; 10. a small chain wheel I; 11. an upward-moving door chain; 12. a downward movement door chain; 13. a large chain wheel II; 14. a small chain wheel II; 15. adjusting the rotating shaft; 16. a fixed seat; 17. adjusting a rod; 18. an adjusting plate; 19. a fixed shaft; 20. a waist-shaped mounting hole; 21. a power motor; 22. a reduction gear box; 23. a power chain; 24. a driving gear; 25. a driven gear; 26. a water outlet hole; 27. a water pan; 28. a sewage pipe; 29. a sewage tank.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-8, a safety protection door mechanism for a horizontal machining center exchanging desk comprises a door frame 1, an upper moving door 2 and a lower moving door 3, wherein the upper moving door 2 and the lower moving door 3 are staggered back and forth and movably mounted on the door frame 1 up and down, a driving mechanism is arranged on the door frame 1, the output end of the driving mechanism is respectively connected with the upper moving door 2 and the lower moving door 3, the driving mechanism is used for driving the upper moving door 2 and the lower moving door 3 to open and close synchronously, the upper moving door 2 and the lower moving door 3 are slidably mounted on the door frame 1 through a sliding limiting mechanism, the driving mechanism comprises a transmission mechanism for controlling the upper moving door 2 and the lower moving door 3 to move, a driving rotating shaft 4 for driving the transmission mechanism to move and a power mechanism for driving the driving rotating shaft 4 to rotate, the sliding limiting mechanism comprises a groove roller 5, a roller mounting seat 6 and a limiting plate, the roller mounting seats 6 are respectively mounted on two sides of the upper sliding door 2 and the lower sliding door 3, the groove rollers 5 are mounted on the edge of the roller mounting seats 6, the groove rollers 5 are parallel to the upper sliding door 2 and the lower sliding door 3, the limiting plates 7 are mounted on the door frames 1 on two sides of the upper sliding door 2 and the lower sliding door 3, the limiting plates 7 are provided with sliding rails 8 parallel to the moving directions of the upper sliding door 2 and the lower sliding door 3, and grooves in the groove rollers 5 are mounted on the sliding rails 8; the driving rotating shaft 4 is fixed at the top of the door frame 1 through a bearing, and one end of the driving rotating shaft 4 extends out of one side of the door frame 1 and is connected with a power mechanism.

In this instance, it is further preferable that the transmission mechanism is installed on both sides of the door frame 1 to move the upper moving door 2 and the lower moving door 3, and the transmission mechanism includes: the device comprises a large chain wheel I9, a small chain wheel I10, an upper moving door 2 chain, a lower moving door 3 chain, a large chain wheel II 13, a small chain wheel II 14 and an adjusting rotating shaft 15; big sprocket I9 and little sprocket I10 are fixed on initiative pivot 4, big sprocket II 13, little sprocket II 14 are all on the door frame 1 of the fixed initiative pivot 4 below of regulation pivot 15, 2 chain windings on little sprocket I10, little sprocket II 14 of the door that moves up are fixed on the door 2 that moves up, 3 chain windings on big sprocket I9, big sprocket II 13 of the door that moves down are fixed on the door 3 that moves down at the door 2 both ends that moves down.

In this example, it is further preferred that the regulation pivot 15 comprises fixing base 16, regulation pole 17, regulating plate 18, fixed axle 19, fixing base 16 sets up both sides about the mounting panel, through the bolt fastening on door frame 1, fixed axle 19 is installed on regulating plate 18, be equipped with a plurality of waist type mounting holes 20 on regulating plate 18, regulating plate 18 passes through the bolt fastening on door frame 1 between two

fixing bases

16, 19 cartridge of fixed axle is on door frame 1, and fixed axle 19 passes through the bearing and is connected with big sprocket II 13, little sprocket II 14, regulation pole 17 one end articulates on fixing base 16, and the regulation pole 17 other end passes through screw mechanism and installs on regulating plate 18.

In this embodiment, it is further preferable that the power mechanism is composed of a power motor 21, a reduction gear box 22, a power chain 23, a driving gear 24, and a driven gear 25; the power motor 21 is installed at the input of reduction gear box 22, be equipped with a plurality of waist type mounting holes 20 on the reduction gear box 22, fix on door frame 1 through the bolt, driving gear 24 is installed at reduction gear box 22 output, driven gear 25 is fixed on the initiative pivot 4 of stretching out door frame 1 part, power chain 23 twines on driving gear 24, driven gear 25.

In this example, it is further preferable that a water outlet hole 26 is arranged below the door frame 1, a water pan 27 is arranged below the water outlet hole 26, the water pan 27 is fixed on the door frame 1, and the water pan 27 is connected to a sewage tank 29 through a sewage pipe 28.

In this example, it is further preferable that a forming switch is further provided in the door frame 1 to detect whether the up-moving door 2 and the down-moving door 3 are in place.

A safety protection door mechanism for a horizontal machining center exchange platform has the following advantages:

(1) the freedom degrees of the two installation directions of the upper moving door 2 and the lower moving door 3 are limited through the sliding limiting mechanism, the left-right shaking generated when the upper moving door 2 and the lower moving door 3 move is prevented, the descending speed smoothness is improved, the occurrence of blocking is reduced, and the opening and closing efficiency of the upper moving door 2 and the lower moving door 3 is further improved;

(2) the chain of the upper sliding door 2 and the chain of the lower sliding door 3 adjust the degree of tension of the chains through adjusting waist-shaped holes on the rotating shaft 15, so that the integrity of the chains is ensured, the service life of the chains is prolonged, and the occurrence of faults is reduced;

(3) one end of an adjusting rod 17 in the adjusting rotating shaft 15 is installed on the fixing seat 16, the other end of the adjusting rod 17 is installed on the adjusting plate 18 through a threaded mechanism, the tightness of the chain of the upward moving door 2 and the tightness of the chain of the downward moving door 3 can be adjusted conveniently, meanwhile, the stability of the adjusting rotating shaft 15 can be improved, and the stability of the tightness of the chain is guaranteed.

(4) The water outlet hole 26 is arranged below the door frame 1, the water receiving disc 27 is arranged below the water outlet hole 26, the water receiving disc 27 is fixed on the door frame 1, the water receiving disc 27 is connected with the sewage tank 29 through the sewage pipe 28, and cutting fluid entering the door frame 1 through the gap is collected, so that pollution of a driving mechanism is prevented or pollution of a working environment is reduced.

It is noted that, in this document, relational terms such as left, right, up, down, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a safety protection door mechanism for horizontal machining center exchange, includes door frame (1), shifts up door (2) and moves down door (3), the door (2) that moves up and move down stagger around door (3) and about movable mounting on door frame (1), be provided with actuating mechanism on door frame (1), actuating mechanism's output respectively with shift up door (2) and move down door (3) and link to each other, actuating mechanism is used for the drive to move up door (2) and move down door (3) and open and shut its characterized in that in step: the sliding door is characterized in that the upward moving door (2) and the downward moving door (3) are slidably mounted on the door frame (1) through a sliding limiting mechanism, the driving mechanism consists of a transmission mechanism for controlling the upward moving door (2) and the downward moving door (3) to move, a driving rotating shaft (4) for driving the transmission mechanism to move and a power mechanism for driving the driving rotating shaft (4) to rotate, the sliding limiting mechanism consists of groove rollers (5), roller mounting seats (6) and limiting plates (7), the roller mounting seats (6) are respectively mounted on two sides of the upward moving door (2) and the downward moving door (3), the groove rollers (5) are mounted on the edge of the roller mounting seats (6), the groove rollers (5) are parallel to the upward moving door (2) and the downward moving door (3), the limiting plates (7) are mounted on the door frame (1) on two sides of the upward moving door (2) and the downward moving door (3), and the limiting plates (7) are provided with the upward moving door (2), The moving directions of the downward moving door (3) are parallel to each other, and a groove in the groove roller (5) is arranged on the sliding rail (8); the driving rotating shaft (4) is fixed at the top of the door frame (1) through a bearing, and one end of the driving rotating shaft (4) extends out of one side of the door frame (1) and is connected with a power mechanism.

2. The safety guard door mechanism for horizontal machining center exchanges of claim 1, wherein: drive mechanism installs in door frame (1) both sides, moves door (2) and moves down door (3) and remove in the drive, and drive mechanism includes: the device comprises a large chain wheel I (9), a small chain wheel I (10), an upper moving door (2) chain, a lower moving door (3) chain, a large chain wheel II (13), a small chain wheel II (14) and an adjusting rotating shaft (15); big sprocket I (9) and little sprocket I (10) are fixed on initiative pivot (4), big sprocket II (13), little sprocket II (14) are all on door frame (1) of adjusting pivot (15) fixed initiative pivot (4) below, the winding of door (2) chain that moves up is on little sprocket I (10), little sprocket II (14), and it is fixed on last door (2) that moves up to move door (2) chain both ends, move down door (3) chain winding is on big sprocket I (9), big sprocket II (13), move down door (3) chain both ends are fixed on door (3) that moves down.

3. The safety guard door mechanism for horizontal machining center exchanges of claim 2, wherein: adjust pivot (15) and constitute by fixing base (16), regulation pole (17), regulating plate (18), fixed axle (19), fixing base (16) set up both sides about the mounting panel, through the bolt fastening on door frame (1), install on regulating plate (18) fixed axle (19), be equipped with a plurality of waist type mounting holes (20) on regulating plate (18), regulating plate (18) pass through the bolt fastening on door frame (1) between two fixing bases (16), fixed axle (19) cartridge is on door frame (1), and fixed axle (19) pass through the bearing and are connected with big sprocket II (13), little sprocket II (14), adjust pole (17) one end and articulate on fixing base (16), adjust pole (17) other end and pass through screw-thread mechanism and install on regulating plate (18).

4. The safety guard door mechanism for horizontal machining center exchanges of claim 1, wherein: the power mechanism consists of a power motor (21), a reduction gear box (22), a power chain (23), a driving gear (24) and a driven gear (25); the input at reduction gear box (22) is installed in power motor (21), be equipped with a plurality of waist type mounting holes (20) on reduction gear box (22), through the bolt fastening on door frame (1), install at reduction gear box (22) output driving gear (24), driven gear (25) are fixed on initiative pivot (4) of stretching out door frame (1) part, power chain (23) winding is on driving gear (24), driven gear (25).

5. The safety guard door mechanism for horizontal machining center exchanges of claim 1, wherein: the improved water-saving door is characterized in that a water outlet hole (26) is formed in the lower portion of the door frame (1), a water receiving disc (27) is arranged below the water outlet hole (26), the water receiving disc (27) is fixed on the door frame (1), and the water receiving disc (27) is connected with a sewage tank (29) through a sewage pipe (28).