CN211940463U

CN211940463U - Safety door of protective cover of numerical control grinding machine

Info

Publication number: CN211940463U
Application number: CN201922381257.7U
Authority: CN
Inventors: 孟剑雄; 吕方; 徐建忠
Original assignee: Huzhou Minghao Machinery Co ltd
Current assignee: Huzhou Minghao Machinery Co ltd
Priority date: 2019-12-26
Filing date: 2019-12-26
Publication date: 2020-11-17
Anticipated expiration: 2029-12-26

Abstract

The utility model discloses a numerically control grinder protection casing emergency exit, including the door body that is equipped with the observation window, be equipped with on the door body and be used for taking out the emergency door of processing product when the door body card is dead, the emergency door includes the shrouding and connects the blocked mechanical system of shrouding, is equipped with the operation mouth on the door body, in the shrouding inlays to be located the operation mouth, can dismantle through blocked mechanical system between shrouding and the operation mouth and be connected.

Description

Safety door of protective cover of numerical control grinding machine

Technical Field

The utility model belongs to the technical field of the numerically control grinder and specifically relates to a numerically control grinder protection casing emergency exit is related to.

Background

In order to guarantee the safety of numerically controlled grinder in the course of processing parts, the most emergency exits that are furnished with of common numerically controlled grinder on the market at present, for example, a "limit switch emergency exit device of horizontal wheel hub lathe" that discloses on chinese patent literature, its notice No. CN206854673U, including driver's cabin, lathe main body, guard plate, heat insulating board and door curb plate, lathe main body's inside is equipped with the driver's cabin, a side surface joint of driver's cabin has the heat insulating board, the surface of heat insulating board is opened there is the louvre, surface one side of lathe main body is equipped with the guard plate, one side of lathe main body articulates there is the sliding door, one side of guard plate is close to gate-type safety switch, lathe main body's surface middle part position is equipped with the door curb plate, bottom one side of door. Grinding machine can produce certain piece at the processing product in-process, and the piece splashes, causes the protection casing emergency exit card to die easily for after processing is accomplished, the emergency exit can't normally be opened.

Disclosure of Invention

The utility model relates to an overcome current emergency exit and be dead by the piece card easily, can't take out the problem of processing product, provide the numerically control grinder protection casing emergency exit, can be when the emergency exit is blocked, take out the processing product to the personnel of being convenient for carry out the troubleshooting maintenance.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a safety door of a numerical control grinding machine protective cover comprises a door body provided with an observation window, wherein an emergency door used for taking out a processed product when the door body is blocked is arranged on the door body, the emergency door comprises a sealing plate and a locking mechanism connected with the sealing plate, an operation opening is arranged on the door body, the sealing plate is embedded in the operation opening, the sealing plate and the operation opening are detachably connected through the locking mechanism, the locking mechanism comprises a first locking rod, a second locking rod and a push rod, the first locking rod is in sliding connection with the door body, a first spring used for resetting is arranged between the first locking rod and the door body, a locking plate matched with the first locking rod is arranged at the corresponding position of the sealing plate, a first inclined plane is arranged at one end, close to the locking plate, of the first locking rod, a second inclined plane matched with the first inclined plane is arranged at the corresponding position of the locking plate, a, be equipped with the second spring that is used for providing the promotion effort between push rod and the welt, sliding connection between second locking pole and the welt, first locking pole is close to pole body department of second locking pole and is equipped with the plectrum that is used for stirring the second locking pole, is equipped with the third spring that is used for reseing between second locking pole and the welt, and second locking pole is close to push rod one end and is equipped with the joint end, and the push rod corresponds the position and is equipped with and realizes retraining the gliding sunk structure of push rod with the joint end cooperation, and first locking pole is equipped with the handle of being convenient for the operation. Grinding machine can produce certain piece at the processing product in-process, and the piece splashes, causes the protection casing emergency exit card to die easily for after processing is accomplished, the emergency exit can't normally be opened. This scheme sets up emergency door on the door body of emergency exit, through the shrouding of emergency door and the blocked mechanical system between the operation mouth, fix the shrouding in the operation mouth, when the card of emergency exit is dead when appearing, with the blocked mechanical system unblock, remove the fixed action of operation mouth to the shrouding, release the shrouding from operation mouth in along the direction with door body vertically, avoided the shortcoming of common slide rail or the easy card income foreign matter of hinged joint mode, utilize emergency door, the operator can take out the product, or get into the card problem of dying of solving the foreign matter in the protection casing. The first latch lever included in the latch mechanism cooperates with the latch plate to capture the closure plate within the access opening, thereby normally maintaining the integrity of the security door. The push rod is used for pushing the sealing plate out of the operation opening by using the elastic force of the second spring when the first locking rod is unlocked from the locking plate, so that the emergency door is opened. The second locking rod is used for realizing linkage between the first locking rod and the push rod, and the constraint of the push rod is released by utilizing the acting force of the first locking rod during unlocking, so that the second spring can provide thrust to push the push rod out. Simultaneously because under the shutting state, there is the interval between plectrum and the second locking lever, therefore this scheme is at the unblock in-process, and first locking lever is not simultaneous with the contact of push rod to the shrouding to the removal of the effect of blocking of operation frame direction is followed to the shrouding, consequently can carry out the segmentation operation, carries out the removal of the effect of blocking of operation frame direction along to the shrouding alone, and avoids the push rod to promote this operation to the shrouding to adjust according to actual conditions.

Preferably, a first sliding groove matched with the first locking rod is formed in the edge of the door body, and the first spring is fixedly connected with the first locking rod and the inner wall of the first sliding groove. The first locking rod is attached to the inner wall of the first sliding groove, one end of the first spring is fixed to the first locking rod, and the other end of the first spring is fixed to the inner wall of the first sliding groove or is abutted to the protruding structure of the inner wall of the first sliding groove, so that the first spring can reset and support the first locking rod.

Preferably, a second sliding groove matched with the push rod is formed in the position, close to the sealing plate, of the lining plate, and the second spring is fixedly connected with the push rod and the inner wall of the second sliding groove. The opening part of second spout is located the one end terminal surface that the welt is close to the shrouding to its axial direction is perpendicular with this terminal surface, makes the push rod in the second spout can produce the effort of vertical direction to the shrouding under the elastic force effect of second spring, makes the shrouding positively break away from the operation mouth.

Preferably, the door body and the corresponding position of the lining plate are respectively provided with a third sliding chute, the first sliding chute is communicated with the second sliding chute through the third sliding chute, the second locking rod is positioned in the third sliding chute, the second locking rod is in sliding connection with the third sliding chute, and the third spring is respectively fixedly connected with the second locking rod and the inner wall of the third sliding chute. The second locking rod, the first locking rod and the push rod are completely arranged in the door body and the lining plate, so that the inner end face and the outer end face of the door body are kept flat, and oil stain accumulation is avoided.

Preferably, a rubber plate is arranged on the end face of one end, close to the sealing plate, of the lining plate. The effect of rubber slab is when installing the shrouding and the collision between the welt cushions, and when the shrouding was in the operation frame, the rubber slab filled the gap between shrouding and the welt simultaneously to avoid the piece in the product course of working to splash to blocked mechanical system in.

Preferably, the edge of the sealing plate is provided with a shielding plate structure. The shutter structure is located the shrouding and keeps away from the one end edge of grinding machine, and when the shrouding was located the operation mouth, the shutter structure can shelter from shrouding and operation mouth edge to avoid blocked mechanical system to expose.

Preferably, the number of the locking mechanisms is two, and the two locking mechanisms are symmetrically arranged on the left side and the right side of the sealing plate respectively. Arrange a blocked mechanical system about respectively for during locking state and unblock, the shrouding receives about unanimous power, guarantees the shrouding and the door body is connected firmly when locking state, also guarantees simultaneously that interior shrouding receives the thrust of left right direction balance when the unblock, avoids the shrouding to shift towards one side at popping out the in-process.

Therefore, the utility model discloses following beneficial effect has: (1) when the safety door is locked, an operator can take out the product or enter the protective cover to solve the problem of locking of foreign matters by using the emergency door; (2) the locking mechanism can push the sealing plate out of the operation opening along the direction vertical to the door body after unlocking, so that the defect that foreign matters are easy to clamp in a common sliding rail or hinge connection mode is avoided; (3) can carry out the segmentation operation, carry out alone to the shrouding and follow the removal of the effect of blockking of operation frame direction, and avoid the push rod to promote this operation to the shrouding to adjust according to actual conditions.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is a sectional view of the locking mechanism of the present invention.

Fig. 3 is a schematic structural diagram of the rack of the present invention.

In the figure: 1. the door body 2, the handle 3, the first locking rod 4, the shielding plate structure 5, the operation opening 6, the locking plate 7, the sealing plate 8, the rubber plate 9, the push rod 10, the second locking rod 11, the lining plate 12, the first sliding groove 13, the first spring 14, the first inclined surface 15, the second inclined surface 16, the concave structure 17, the clamping end 18, the second spring 19, the second sliding groove 20, the third sliding groove 21, the third spring 22, the shifting piece 23, the connecting rod 24, the rack 25 and the gear.

Detailed Description

The present invention will be further described with reference to the accompanying drawings and the detailed description.

Examples

In the embodiment shown in fig. 1, 2 and 3, the safety door of the numerically controlled grinder protective cover is provided with an observation window on the door body 1, and is further provided with an emergency door for taking out a processed product when the door body is locked, the emergency door comprises an operation opening 5 opened on the door body 1, a sealing plate 7 embedded in the operation opening 5, and a locking mechanism for connecting the sealing plate 7 with the door body 1, the locking mechanism comprises a first locking rod 3, a second locking rod 10 and a push rod 9, the upper edge of the door body 1 is provided with a first sliding chute 12 matched with the first locking rod 3, one end of the first sliding chute 12 is opened on the edge side wall of the operation opening 5, the first locking rod 3 is inserted into the first sliding chute 12 and is attached to the inner wall of the first sliding chute 12, one end of a first spring 13 is fixed with the first locking rod 3, and the other end of the first spring abuts against a protruding structure on the inner wall of the first sliding chute 12, so as to realize the resetting and supporting, a first inclined plane 14 is cut at one end of the first locking rod 3 close to the opening, a handle is arranged at the other end of the first locking rod, and the handle penetrates through a slotted hole formed in the door body 1 so as to be convenient to operate. The closing plate 7 is provided with a locking plate 6 which is matched with the first locking rod 3 at a corresponding position, and a second inclined surface 15 is cut at one end of the locking plate 6 close to the first locking rod 3. 5 edge weld welt 11 of operation mouth, welt 11 is close to the one end terminal surface laying rubber slab 8 of shrouding 7, be equipped with second spout 19 in the welt 11, the opening part of second spout 19 is located welt 11 and is close to on the one end terminal surface of shrouding 7, and its axial direction is perpendicular with this terminal surface, push rod 9 inserts and establishes in second spout 19, with the inner wall laminating of second spout 19, make and to slide between push rod 9 and the welt 11, be equipped with the second spring 18 that is used for providing the impetus for push rod 9 between push rod 9 and the welt 11. The door body 1 and the lining plate 11 are respectively provided with a third sliding chute 20 at corresponding positions, the first sliding chute 12 is communicated with the second sliding chute 19 through the third sliding chute 20, the L-shaped second locking rod 10 is positioned in the third sliding chute 20 and can slide along the sliding direction of the first locking rod 3, one end of a third spring 21 is fixed with the second locking rod 10, and the other end of the third spring abuts against a convex structure on the inner wall of the third sliding chute 20 of the lining plate 11. A shifting piece 22 for shifting the second locking rod 10 is welded on a rod body of the first locking rod 3 close to the second locking rod 10, and the second locking rod 10 and the first locking rod 3 are linked by shifting the shifting piece 22. One end of the second locking rod 10 close to the push rod 9 is cut with a clamping end 17, a concave structure 16 is cut at a position corresponding to the push rod 9, and the concave structure 16 and the clamping end 17 can form a mortise and tenon structure, so that the movement of the push rod 9 under the elastic force action of the second spring 18 is limited. And a shielding plate structure 4 is arranged at the edge of one end of the sealing plate 7 far away from the grinding machine.

The left side and the right side of the sealing plate 7 are respectively provided with a set of locking mechanisms, the two ends of the sealing plate can respectively slide the handle 2 to complete unlocking operation, meanwhile, a connecting rod 23 is welded on the rod body of the first locking rod 3 close to the handle 2, the connecting rod 23 is positioned on the upper side of the first locking rod 3, a cavity is arranged at the corresponding position of the door body 1 to allow the connecting rod 23 and other structures to pass through, a rack 24 is welded at the tail end of the connecting rod 23, the rack 24 can move along with the connecting rod 23 in the cavity, the rack 24 is parallel to the axial direction of the first locking rod 3, the moving direction of the rack 24 is also parallel to the axial direction of the first locking rod 3, a gear 25 is arranged at the middle position of the upper end of the sealing plate 7, the gear 25 is rotatably connected with the door body 1 through a wheel shaft, the rack 24 is meshed with the gear 25, the other, the rack 24 is connected to the locking mechanism on the other side of the closure plate 7 in the same manner so that when the locking mechanism on one side is unlocked, the locking mechanism on the other side is also unlocked, thereby simplifying the unlocking procedure without requiring simultaneous operation of the handles 2 on both sides.

When an unlocking operation is required, the handle 2 on either side is slid to move the first locking rod 3 in a direction away from the sealing plate 7, the first spring 13 is compressed, at the same time, the blocking effect of the first locking rod 3 on the locking plate 6 in a direction perpendicular to the operation opening 5 is disabled, the sealing plate 7 can be taken out in a direction perpendicular to the operation opening 5, the handle 2 is continuously slid, when the plectrum 22 moves to the second locking rod 10, the plectrum 22 pushes the second locking rod 10 to move in a direction away from the sealing plate 7, one end of the second locking rod 10 close to the push rod 9 is pulled out from the concave structure 16, at the same time, the third spring 21 is compressed, due to the blocking effect of the second locking rod 10 on the push rod 9 in the axial direction of the push rod 9, at the same time, the push rod 9 moves in a direction towards the sealing plate 7 under the pushing effect of the second spring 18 to push the sealing plate 7, so as to push the sealing plate 7 in a direction perpendicular to the operation opening 5, and after pushing out, the second locking rod 10 is also moved in the opposite direction by the third spring 21, and since the push rod 9 is in the push-out state, the clamping end 17 of the second locking rod 10 abuts against the rod body of the push rod 9, and the third spring 21 is still in the compressed state. When the handle 2 is moved on one side, the connecting rod 23 converts the movement of the first locking rod 3 into the movement of the rack 24, the rack 24 drives the gear 25 to rotate, so that the other rack 24 also moves in the opposite direction, the first locking rod 3 on the other side also performs corresponding operations, and the locking mechanisms on the two sides of the sealing plate 7 jointly perform the opening of the emergency door.

When it is necessary to replace the sealing plate 7 in the operation port 5, the sealing plate 7 is pushed into the operation port 5 in a direction perpendicular to the operation port 5, when the latch plate 6 contacts the first latch lever 3, the first slope 14 abuts the second slope 15 so that the first latch lever 3 is retracted, when the locking plate 6 has completely passed the first locking lever 3, the first locking lever 3 is reset again by the urging of the first spring 13, so that the first locking rod 3 completes the restraint of the locking plate 6, the sealing plate 7 is pressed to the push rod 9 when approaching the end of the rubber plate 8 of the lining plate 11, the push rod 9 is pushed back by the external force, the second spring 18 is compressed, and when the recess 16 on the push rod 9 passes the catching end 17 of the second locking rod 10, the second locking rod 10 re-locks the clamping end 17 into the recess 16 under the pushing of the third spring 21, thereby completing the restraint of the push rod 9.

Claims

1. A safety door of a protective cover of a numerical control grinding machine comprises a door body provided with an observation window, and is characterized in that an emergency door used for taking out a processed product when the door body is blocked is arranged on the door body, the emergency door comprises a sealing plate and a locking mechanism connected with the sealing plate, an operation opening is arranged on the door body, the sealing plate is embedded in the operation opening, the sealing plate and the operation opening are detachably connected through the locking mechanism, the locking mechanism comprises a first locking rod, a second locking rod and a push rod, the first locking rod is slidably connected with the door body, a first spring used for resetting is arranged between the first locking rod and the door body, a locking plate matched with the first locking rod is arranged at the corresponding position of the sealing plate, a first inclined plane is arranged at one end, close to the locking plate, of the first locking rod is provided with a second inclined plane matched with the first inclined plane, a lining plate is arranged at the, be equipped with the second spring that is used for providing the promotion effort between push rod and the welt, sliding connection between second locking pole and the welt, first locking pole is close to pole body department of second locking pole and is equipped with the plectrum that is used for stirring the second locking pole, is equipped with the third spring that is used for reseing between second locking pole and the welt, and second locking pole is close to push rod one end and is equipped with the joint end, and the push rod corresponds the position and is equipped with and realizes retraining the gliding sunk structure of push rod with the joint end cooperation, and first locking pole is equipped with the handle of being convenient for the operation.

2. The safety door of the numerical control grinder protective cover according to claim 1, wherein a first sliding groove matched with the first locking rod is formed in the edge of the door body, and the first spring is fixedly connected with the first locking rod and the inner wall of the first sliding groove respectively.

3. The safety door of the numerical control grinding machine protective cover according to claim 2, wherein a second sliding groove matched with the push rod is formed in the position, close to the sealing plate, of the lining plate, and the second spring is fixedly connected with the push rod and the inner wall of the second sliding groove respectively.

4. The safety door of the numerical control grinder protective cover according to claim 3, wherein corresponding positions of the door body and the lining plate are respectively provided with a third sliding groove, the first sliding groove is communicated with the second sliding groove through the third sliding groove, the second locking rod is positioned in the third sliding groove, the second locking rod is in sliding connection with the third sliding groove, and the third spring is fixedly connected with the second locking rod and the inner wall of the third sliding groove.

5. The safety door of the numerically controlled grinder protective cover according to claim 1, wherein a rubber plate is provided on an end surface of the lining plate adjacent to the sealing plate.

6. The safety door of the numerically controlled grinder protective cover according to claim 1, wherein the edge of the sealing plate is provided with a shielding plate structure.

7. The safety door of the numerically controlled grinder protective cover according to any one of claims 1 to 6, wherein the number of the locking mechanisms is two, and the two locking mechanisms are symmetrically arranged on the left side and the right side of the sealing plate respectively.