Automatic opening and closing mechanism suitable for small multi-layer slab clamp

Abstract

The utility model discloses an automatic opening and closing mechanism suitable for a small multi-layer plate blank clamp. The automatic opening and closing mechanism is used for automatically taking and placing a multi-layer plate blank. The clamp specifically comprises a main beam, a main beam pin shaft, an inner clamp arm, an outer clamp arm, a short pull rod, a long pull rod, a 30 pin shaft, a pawl, a 20 pin shaft, a sliding rod, a connecting rod, a bearing, a bearing pin shaft, a shifting rod, a cotter pin and a connecting pin shaft. The inner clamp arm and the outer clamp arm are respectively arranged on the main beam pin shaft; two sides of the long pull rod and the short pull rod are respectively provided with a chute and are respectively connected with the inner clamp arm and the outer clamp arm through 30 pin shafts; the pawls are installed on the inner clamp arm and the outer clamp arm respectively through 20 pin shafts, the top of the long pull rod is provided with a clamping block for limiting the pawls, a sliding way is arranged for containing a sliding rod, and the sliding rod is limited through a bearing and connected with a connecting rod. The short pull rod is provided with a square through hole, the shifting rod penetrates through the square through hole and is connected to a pin shaft of the main beam, the main beam drives the shifting rod to move, the shifting rod pushes the connecting rod to drive the sliding rod to move, the sliding rod moves to shift the pawl so as to control opening and closing of the clamp, and automatic taking and placing of the multi-layer plate blank are achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to hoisting technology field more specifically relates to a kind of automatic opening and closing mechanism suitable for small multi-layer slab clamp. BACKGROUND

[0002] Clamp is a kind of tool for clamping fastening or hoisting, its application field mainly includes metallurgy, transportation, railway, port, etc. industry.According to the different use occasions, clamp is divided into various types, and its opening and closing mode is also different, for large clamp, usually equipped with special opening and closing mechanism, to control the opening and closing of clamp, and for small slab clamp, this small clamp usually needs manual opening and closing by artificial, the opening and closing of clamp by artificial operation has low efficiency on the one hand, and there is certain security risk.

[0003] For the above situation, an automatic opening and closing mechanism suitable for small multi-layer slab clamp is provided, which can realize the automatic opening and closing of small slab clamp during operation, and can improve production efficiency and safety. UTILITY MODEL CONTENTS

[0004] The utility model provides a kind of automatic opening and closing mechanism suitable for small multi-layer slab clamp, can realize the automatic opening and closing of small slab clamp during operation, and can improve production efficiency and safety.

[0005] To achieve the above-mentioned effect, the utility model adopts the following technical solutions:

[0006] An automatic opening and closing mechanism suitable for small multi-layer slab clamp, comprising: a main beam 1, an inner jaw arm 2, an outer jaw arm 3, a short pull rod 4, a long pull rod 5, a 30 pin shaft 6, a pawl 7, a 20 pin shaft 8, a slide rod 9, a connecting rod 10, a bearing 11, a bearing pin shaft 12, a push rod 13, a split pin 14, and a connecting pin shaft 15.

[0007] The inner jaw arm 2, the outer jaw arm 3 and the push rod 13 are installed on the main beam pin shaft 1-1, the straight rod body 13-1 of the push rod 13 is inserted into the short pull rod square hole 4-3, and the push rod can move along the short pull rod square hole 4-3. The 30 pin shaft 6 is inserted into the inner jaw arm side plate 30 through hole one 2-1-1 and the short pull rod left slide groove 4-1, and the split pin 14 is inserted into the 30 pin shaft through hole 6-1 to prevent the 30 pin shaft 6 from falling off, and the 30 pin shaft 6 can slide in the short pull rod left slide groove 4-1. Then the 30 pin shaft 6 is inserted into the outer jaw arm side plate 30 through hole one 3-1-1 and the short pull rod right slide groove 4-2, and the split pin 14 is inserted into the 30 pin shaft through hole 6-1 to prevent the 30 pin shaft 6 from falling off, and the 30 pin shaft 6 can slide in the short pull rod right slide groove 4-2, completing the connection of the short pull rod 4 and the inner jaw arm 2 and the outer jaw arm 3.

[0008] Insert the 30-pin shaft 6 into the inner jaw arm side plate 30 through hole two 2-1-3 and the long pull rod left slide groove 5-1 at the same time, insert the split pin 14 into the 30-pin shaft through hole 6-1 to prevent the 30-pin shaft 6 from falling off, and the 30-pin shaft 6 can slide along the long pull rod left slide groove 5-1; then insert the 30-pin shaft 6 into the outer jaw arm side plate 30 through hole two 3-1-3 and the long pull rod right slide groove 5-2 at the same time, insert the split pin 14 into the 30-pin shaft through hole 6-1 to prevent the 30-pin shaft 6 from falling off, and the 30-pin shaft 6 can slide along the long pull rod right slide groove 5-2, and the connection of the long pull rod 5 with the inner jaw arm 2 and the outer jaw arm 3 is completed.

[0009] Insert the 20-pin shaft 8 into the inner jaw arm side plate 20 through hole 2-1-2 and the ratchet through hole 7-1 at the same time, and fix the 20-pin shaft 8 by inserting the split pin 14 into the 20-pin shaft through hole 8-1; then insert the 20-pin shaft 8 into the outer jaw arm side plate 20 through hole 3-1-2 and the ratchet through hole 7-1 at the same time, and fix the 20-pin shaft 8 by inserting the split pin 14 into the 20-pin shaft through hole 8-1, and the connection of the ratchet 7 with the inner jaw arm 2 and the outer jaw arm 3 is completed. At this time, the two side ratchets 7 are in contact with the long pull rod 5 under the action of gravity, and the contact parts of the two side ratchets with the long pull rod 5 are located between the left clamping block 5-5 and the right clamping block 5-9.

[0010] Install the slide rod 9 on the long pull rod left slide 5-3, and put the full rod 10-1 into the rod body through slot 9-2-2, then insert the connecting pin shaft 15 into the rod body through hole 9-2-1 and the full rod through hole 10-1-1 at the same time; then install the slide rod 9 on the long pull rod right slide 5-4, and put the full rod 10-1 into the rod body through slot 9-2-2, then insert the connecting pin shaft 15 into the rod body through hole 9-2-1 and the full rod through hole 10-1-1 at the same time, complete the connection of the two side slide rods 9 and the connecting rod 10, then align the half rod through holes 10-2-1 of the two side connecting rods 10, and insert the connecting pin shaft 15 into the two side half rod through holes 10-2-1 at the same time, complete the connection of the two side connecting rods 10; insert the bearing pin shaft 12 into the left through hole 5-7 and the bearing 11 at the same time, then insert the bearing pin shaft 12 into the right through hole 5-8 and the bearing 11 at the same time, complete the installation of the bearing 11, and the bearing 11 can limit the moving direction of the slide rod 9, so that the slide rod 9 can only move along the long pull rod left slide 5-3 and the long pull rod right slide 5-4.

[0011] When the clamp needs to clamp the slab, first move the clamp above the slab and then slowly lower the clamp, because the inner jaw arm guide plate 2-3 and the outer jaw arm guide plate 3-3 play a guiding role when they are in contact with the slab, the inner jaw arm 2 and the outer jaw arm 3 rotate around the main beam pin shaft 1-1 and gradually open at the same time, at this time, the 30 pin shafts 6 slide outward in the short pull rod left sliding groove 4-1 and the short pull rod right sliding groove 4-2, and the long pull rod left sliding groove 5-1 and the long pull rod right sliding groove 5-2 respectively, until the inner jaw arm bottom plate 2-3 and the outer jaw arm bottom plate 3-3 are in contact with the lowest layer of the slab, the clamping is completed, at this time, the two side pawls 7 are still between the left clamping block 5-5 and the right clamping block 5-9.

[0012] The utility model has the following beneficial effects:

[0013] 1. The utility model discloses a can realize quick clamping and releasing of plate blank, through the cooperation setting of main girder, inner vice arm, outer vice arm, ratchet pawl, slide rod, connecting rod, lever, can realize the automatic opening and closing of clamp, improve production efficiency and safety. BRIEF DESCRIPTION OF DRAWINGS

[0014] In order to more clearly illustrate the technical scheme in the embodiment of the utility model or prior art, the following will be briefly introduced the drawing needed to be used in the embodiment or prior art description, the drawing in the following description only is the embodiment of the utility model, for the ordinary skilled in the art, under the premise of not paying the creative labor, can also obtain other drawings according to the provided drawing:

[0015] Figure 1 It is the overall structure schematic diagram of the utility model;

[0016] Figure 2 It is the exploded schematic diagram of the utility model;

[0017] Figure 3 It is the main girder schematic diagram;

[0018] Figure 4 It is the inner vice arm schematic diagram;

[0019] Figure 5 It is the outer vice arm schematic diagram;

[0020] Figure 6 It is the short pull rod schematic diagram;

[0021] Figure 7 It is the long pull rod schematic diagram;

[0022] Figure 8 It is the long pull rod sectional view;

[0023] Figure 9 It is the 30 pin shaft schematic diagram;

[0024] Figure 10 It is the ratchet pawl schematic diagram;

[0025] Figure 11 It is the 20 pin shaft schematic diagram;

[0026] Figure 12 It is the slide rod schematic diagram;

[0027] Figure 13 It is the connecting rod schematic diagram;

[0028] Figure 14 It is the lever schematic diagram;

[0029] In the figure: 1, main beam; 1-1, main beam pin shaft; 2, inner tongs arm; 2-1, inner tongs arm side plate; 2-1-1, inner tongs arm side plate 30 through hole one; 2-1-2, inner tongs arm side plate 20 through hole; 2-1-3, inner tongs arm side plate 30 through hole two; 2-2, inner tongs arm bottom plate; 2-3, inner tongs arm guide plate; 3, outer tongs arm; 3-1, outer tongs arm side plate; 3-1-1, outer tongs arm side plate 30 through hole one; 3-1-2, outer tongs arm side plate 20 through hole; 3-1-3, outer tongs arm side plate 30 through hole two; 3-2, outer tongs arm bottom plate; 3-3, outer tongs arm guide plate; 4, short pull rod; 4-1, short pull rod left slide groove; 4-2, short pull rod right slide groove; 4-3, short pull rod square through hole; 5, long pull rod; 5-1, long pull rod left slide groove; 5-2, long pull rod right slide groove; 5-3, long pull rod left slide; 5-4, long pull rod right slide; 5-5, left clamping block; 5-5-1, left clamping block inclined surface; 5-5-2, left clamping block side surface; 5-6, long pull rod square through hole; 5-7, left through hole; 5-8, right through hole; 5-9, right clamping block; 5-9-1, right clamping block inclined surface; 5-9-2, right clamping block side surface; 5-10, support plate; 6, 30 pin shaft; 6-1, 30 pin shaft through hole; 7, ratchet pawl; 7-1, ratchet pawl through hole; 8, 20 pin shaft; 8-1, 20 pin shaft through hole; 9, slide rod; 9-1, top block; 9-2, rod body; 9-2-1, rod body through hole; 9-2-2, rod body through slot; 10, connecting rod; 10-1, full rod; 10-1-1, full rod through hole; 10-2, half rod; 10-2-1, half rod through hole; 11, bearing; 12, bearing pin shaft; 13, push rod; 13-1, straight rod body; 13-1-1, upper pressing head; 13-2, C-shaped rod body; 13-2-1, lower top block; 14, cotter pin; 15, connecting pin shaft. DETAILED DESCRIPTION

[0030] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the present application.

[0031] As shown in the accompanying drawings Figure 1 to the accompanying drawings Figure 12The utility model discloses an automatic opening and closing mechanism suitable for small multi-layer slab clamp, including main beam 1, inner clamp arm 2, outer clamp arm 3 and push rod 13 are installed on main beam pin shaft 1-1, the straight rod body of push rod 13 inserts short pull rod square through -hole, and push rod 13 can move up and down along short pull rod square through -hole.

[0032] The utility model discloses an automatic opening and closing mechanism suitable for small multi-layer slab clamp, including main beam 1, inner clamp arm 2, outer clamp arm 3 and push rod 13 are installed on main beam pin shaft 1-1, the straight rod body of push rod 13 inserts short pull rod square through -hole, and push rod 13 can move up and down along short pull rod square through -hole.

[0033] The utility model discloses an automatic opening and closing mechanism suitable for small multi-layer slab clamp, including main beam 1, inner clamp arm 2, outer clamp arm 3 and push rod 13 are installed on main beam pin shaft 1-1, the straight rod body of push rod 13 inserts short pull rod square through -hole, and push rod 13 can move up and down along short pull rod square through -hole.

[0034] The utility model discloses an automatic opening and closing mechanism suitable for small multi-layer slab clamp, including main beam 1, inner clamp arm 2, outer clamp arm 3 and push rod 13 are installed on main beam pin shaft 1-1, the straight rod body of push rod 13 inserts short pull rod square through -hole, and push rod 13 can move up and down along short pull rod square through -hole.

[0035] In the process of clamping the slab again, first release the clamp, the support plate of the long pull rod 5 will contact with the slab again, at this time the main beam 1 continues to move down under the action of gravity, the inner clamp arm 2 and the outer clamp arm 3 will be in the open state again, with the increase of the opening degree of the inner clamp arm 2 and the outer clamp arm 3, the push rod 13 will gradually move down, the upper pressing head will push the connecting rod 10 to move down, the connecting rod 10 will drive the two side slide rods 9 to move inward, the top block of the slide rod 9 will gradually support the pawl 7 and make the pawl 7 rotate and separate from the left and right clamping blocks, the pawl 7 no longer supports, that is, the inner clamp arm 2 and the outer clamp arm 3 can be closed again when lifting the clamp again. The inner clamp arm 2 and the outer clamp arm 3 will gradually close to complete the clamping of the slab, in this process, the push rod 13 will move up under the drive of the main beam 1, the lower top block of the push rod 13 will push the connecting rod 10 to move up, the connecting rod 10 will drive the two side slide rods 9 to move outward, with the outward movement of the slide rod 9, the top block no longer supports the pawl 7, the two side pawls 7 will gradually rotate and be located between the left and right clamping blocks again, with the upward movement of the clamp, the inner clamp arm bottom plate and the outer clamp arm bottom plate will clamp the slab again, at this time the automatic closing process is completed.

[0036] The above is only used to illustrate the technical scheme of the utility model and not limit, the other modification or equivalent replacement of the technical scheme of the utility model of the person skilled in the art, as long as not departing from the spirit and scope of the technical scheme of the utility model, should be covered in the claim range of the utility model.

Claims

1. An automatic opening and closing mechanism for a small multi-layer slab clamp; characterized by, Comprise: Main beam (1), inner jaw arm (2), outer jaw arm (3), short pull rod (4), long pull rod (5), 30 pin shaft (6), ratchet (7), 20 pin shaft (8), slide bar (9), connecting rod (10), bearing (11), bearing pin (12), lever (13), cotter pin (14), connecting pin (15); The main beam (1) comprises a main beam pin (1-1), and the main beam pin (1-1) is used for mounting the inner jaw arm (2), the outer jaw arm (3) and the lever (13); The inner jaw arm (2) is composed of an inner jaw arm side plate (2-1), an inner jaw arm bottom plate (2-2) and an inner jaw arm guide plate (2-3), the inner jaw arm side plate (2-1) is provided with an inner jaw arm side plate 30 through hole one (2-1-1), an inner jaw arm side plate 20 through hole (2-1-2) and an inner jaw arm side plate 30 through hole two (2-1-3), the inner jaw arm side plate 30 through hole one (2-1-1) and the inner jaw arm side plate 30 through hole two (2-1-3) are used for mounting the 30 pin shaft (6), and the inner jaw arm side plate 20 through hole (2-1-2) is used for mounting the 20 pin shaft (8); The outer jaw arm (3) is composed of an outer jaw arm side plate (3-1), an outer jaw arm bottom plate (3-2) and an outer jaw arm guide plate (3-3), the outer jaw arm side plate (3-1) is provided with an outer jaw arm side plate 30 through hole one (3-1-1), an outer jaw arm side plate 20 through hole (3-1-2) and an outer jaw arm side plate 30 through hole two (3-1-3), the outer jaw arm side plate 30 through hole one (3-1-1) and the outer jaw arm side plate 30 through hole two (3-1-3) are used for mounting the 30 pin shaft (6), and the outer jaw arm side plate 20 through hole (3-1-2) is used for mounting the 20 pin shaft (8); The short pull rod (4) is provided with a short pull rod left slide groove (4-1), a short pull rod right slide groove (4-2) and a short pull rod square through hole (4-3); The long pull rod (5) is provided with a long pull rod left slide groove (5-1), a long pull rod right slide groove (5-2), a long pull rod left slide (5-3), a long pull rod right slide (5-4), a left clamping block (5-5), a long pull rod square through hole (5-6), a left through hole (5-7), a right through hole (5-8), a right clamping block (5-9) and a support plate (5-10), the left clamping block (5-5) comprises a left clamping block inclined surface (5-5-1) and a left clamping block side surface (5-5-2), and the right clamping block (5-9) comprises a right clamping block inclined surface (5-9-1) and a right clamping block side surface (5-9-2); The 30 pin shaft (6) is provided with a 30 pin shaft through hole (6-1), and the 30 pin shaft (6) is used for mounting the short pull rod (4) and the long pull rod (5); The ratchet (7) is provided with a ratchet through hole (7-1); The 20 pin shaft (8) is provided with a 20 pin shaft through hole (8-1), and the 20 pin shaft (8) is used for mounting the ratchet (7); The slide bar (9) is composed of a top block (9-1) and a rod body (9-2), and the rod body (9-2) is provided with a rod body through hole (9-2-1) and a rod body through slot (9-2-2); The connecting rod (10) is composed of a full rod (10-1) and a half rod (10-2), the full rod (10-1) is provided with a full rod through hole (10-1-1), and the half rod (10-2) is provided with a half rod through hole (10-2-1); The shifting rod (13) is composed of a straight rod body (13-1) and a C-shaped rod body (13-2), the straight rod body (13-1) is provided with an upper pressing head (13-1-1), and the C-shaped rod body (13-2) is provided with a lower top block (13-2-1).

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