Clamping apparatus and clamping method

Abstract

The present application belongs to the technical field of lattice arch welding forming, and discloses a clamping device and a clamping method. The clamping device comprises a bearing frame and a clamping mechanism. The bearing frame is provided with an intermediate support groove and two side support grooves. The intermediate support groove is located between the two side support grooves. In the depth direction of the side support groove, the butterfly rib in the intermediate support groove can be clamped between the two main ribs in the side support groove. Each side support groove is provided with at least one clamping mechanism. The clamping mechanism comprises a clamping driver and two hooks. The clamping driver is arranged on the bearing frame. The clamping driver can drive the two hooks to press the two main ribs in the side support groove towards the groove bottom of the side support groove. The clamping method uses the above-mentioned clamping device. In the present application, the two hooks of the clamping mechanism press the two main ribs towards the groove bottom of the side support groove, effectively reducing the clamping force of the main rib on the butterfly rib and avoiding deformation of the butterfly rib due to excessive force.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of grid arch welding forming, and particularly relates to a clamping device and a clamping method. BACKGROUND

[0002] The grid arch is assembled and welded by main ribs and butterfly ribs. Before the grid arch is welded and formed, a clamping device is needed to position and clamp the main ribs and the butterfly ribs to avoid the position change of the main ribs and the butterfly ribs during welding. When the existing clamping device positions and clamps the main ribs and the butterfly ribs, the clamping device drives the clamping jaws to move horizontally to tightly press the main ribs, and the main ribs tightly press the butterfly ribs, so that the butterfly ribs are easily deformed due to the excessive clamping force, and the welding forming quality of the grid arch is affected. SUMMARY

[0003] The present application aims to provide a clamping device and a clamping method, which can ensure the mutual pressing of the main ribs and the butterfly ribs on the basis of reducing the clamping force of the main ribs on the butterfly ribs, and improve the positioning accuracy of the main ribs and the butterfly ribs.

[0004] To achieve the above-mentioned purpose, the present application adopts the following technical scheme:

[0005] The clamping device comprises:

[0006] A bearing frame, wherein an intermediate support groove and two side support grooves are arranged on the bearing frame, the intermediate support groove is located between the two side support grooves, and the butterfly ribs in the intermediate support groove can be clamped between the two main ribs in the side support grooves in the depth direction of the side support grooves.

[0007] A clamping mechanism, wherein at least one clamping mechanism is arranged in each side support groove, the clamping mechanism comprises a clamping driver and two hooks, the clamping driver is arranged on the bearing frame, and the clamping driver can drive the two hooks to press the two main ribs in the side support groove towards the groove bottom of the side support groove.

[0008] Preferably, the bearing frame comprises a bottom plate and a plurality of support plates arranged on the bottom plate, the plurality of support plates are arranged in sequence and at intervals along the extension direction of the main ribs, an intermediate groove and two side grooves are arranged on each support plate, the plurality of intermediate grooves constitute the intermediate support groove, the plurality of side grooves on the same side of the intermediate groove constitute the side support groove, and the clamping mechanism is mounted on the bottom plate.

[0009] Preferably, the bearing frame further comprises an alignment plate, and the alignment plate is configured to abut against the end of the main rib in the side support groove.

[0010] As preferred, the carrier further comprises an alignment adjusting member, the alignment plate is connected to one of the support plates at one end in the extending direction of the main rib through the alignment adjusting member, and the alignment adjusting member is capable of adjusting the interval between the alignment plate and the support plate.

[0011] As preferred, the carrier further comprises a limiting block, the limiting block is arranged on the bottom plate, and each of the butterfly ribs is arranged between two limiting blocks in the extending direction of the main rib.

[0012] As preferred, the carrier further comprises an adjusting block, the adjusting block is adjustably connected to the support plate in the depth direction of the middle support groove, and the adjusting block is configured to support the butterfly rib in the middle support groove.

[0013] As preferred, the clamping mechanism further comprises:

[0014] a clamping seat fixedly arranged on the carrier, and the hook claw is rotatably arranged on the clamping seat;

[0015] a synchronization block, the hook claw is rotatably connected to the synchronization block, and the clamping driver is configured to drive the synchronization block to move.

[0016] As preferred, the carrier further comprises an ejection mechanism, the ejection mechanism is configured to push the main rib and / or the butterfly rib away from the carrier.

[0017] As preferred, the carrier further comprises:

[0018] a turnover seat;

[0019] a turnover driver arranged on the turnover seat;

[0020] a turnover table connected to the output end of the turnover driver, the turnover driver is configured to drive the turnover table to rotate, and the carrier is arranged on the turnover table.

[0021] a clamping method using the clamping device, comprising:

[0022] Step one, respectively placing one main rib in the two side support grooves of the carrier;

[0023] Step two, placing a butterfly rib in the middle support groove of the carrier;

[0024] Step three, respectively placing one main rib in the two side support grooves of the carrier again, so that the butterfly rib is clamped between the two main ribs in the depth direction of the side support groove;

[0025] Step four, the clamping driver of the clamping mechanism drives the two hook claws to move, so that the two hook claws correspondingly press against the two main ribs in the side support groove.

[0026] The beneficial effects of the present application are:

[0027] The intermediate support groove limits the support of the butterfly rib, and the edge side support groove limits the support of the main rib, so that the positioning is more accurate, the butterfly rib and the main rib are stacked in the depth direction of the edge side support groove, the two hooks of the clamping mechanism press against the groove bottom of the two main ribs toward the edge side support groove, effectively reducing the clamping force of the main rib on the butterfly rib, avoiding deformation of the butterfly rib due to excessive force, and ensuring the welding forming quality of the grid arch. BRIEF DESCRIPTION OF DRAWINGS

[0028] Figure 1 is a structural schematic view of the clamping equipment described in the embodiment of the present application;

[0029] Figure 2 is a front view of the cooperation of the bearing frame, clamping mechanism and demolding mechanism described in the embodiment of the present application;

[0030] Figure 3 is a top view of the cooperation of the bearing frame, clamping mechanism and demolding mechanism described in the embodiment of the present application;

[0031] Figure 4 is a partial structural schematic view of the cooperation of the bearing frame, clamping mechanism and demolding mechanism described in the embodiment of the present application;

[0032] Figure 5 is a side view of the cooperation of the bearing frame and clamping mechanism described in the embodiment of the present application;

[0033] Figure 6 is a front view of part of the structure of the bearing frame described in the embodiment of the present application;

[0034] Figure 7 is a side view of the cooperation of the bearing frame and demolding mechanism described in the embodiment of the present application.

[0035] In the drawings:

[0036] 100, butterfly rib; 200, main rib;

[0037] 1, bearing frame;

[0038] 11, bottom plate; 12, support plate; 121, intermediate groove; 122, edge side groove; 13, alignment plate; 14, alignment adjusting piece; 15, limiting block; 16, adjusting block;

[0039] 2, clamping mechanism;

[0040] 21, clamping driver; 22, hook; 23, clamping seat; 24, synchronous block;

[0041] 3, demolding mechanism;

[0042] 31, ejection driver; 32, ejection plate;

[0043] 4, turnover seat;

[0044] 5, turnover driver;

[0045] 6, turnover table. DETAILED DESCRIPTION

[0046] Embodiments of the present application are described in detail below with reference to the attached drawing figures, wherein the same or like component have the same or similar designations. The embodiments described below are presented by way of example to explain the present application, and are not intended to limit the present application.

[0047] In the description of the present application, unless otherwise clearly specified and limited, the terms "connected", "connected", "fixed" should be understood broadly, for example, can be fixedly connected, can be detachably connected, can be mechanically connected, can be electrically connected, can be directly connected, can be indirectly connected through an intermediate medium, can be the internal communication of two elements or the interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0048] In the description of the present application, unless otherwise clearly specified and limited, the first feature "on" or "under" the second feature can include that the first feature and the second feature are in direct contact, or the first feature and the second feature are not in direct contact but are in contact through another feature between them. Moreover, the first feature "on", "above" and "above" the second feature includes that the first feature is directly above and obliquely above the second feature, or only indicates that the horizontal height of the first feature is higher than that of the second feature. The first feature "under", "below" and "below" the second feature includes that the first feature is directly below and obliquely below the second feature, or only indicates that the horizontal height of the first feature is less than that of the second feature.

[0049] The technical solutions of the present application are further illustrated below in conjunction with the drawings and through specific embodiments.

[0050] As Figures 1-7As shown, the present application provides a clamping device, which comprises a carrier frame 1 and a clamping mechanism 2. Wherein, the carrier frame 1 is provided with an intermediate support groove and two side support grooves, the intermediate support groove is located between the two side support grooves, in the depth direction of the side support groove, the butterfly rib 100 in the intermediate support groove can be clamped between the two main ribs 200 in the side support groove, each side support groove is provided with at least one clamping mechanism 2, the clamping mechanism 2 comprises a clamping driver 21 and two hooks 22, the clamping driver 21 is arranged on the carrier frame 1, the clamping driver 21 can drive the two hooks 22 to correspondingly press the two main ribs 200 in the side support groove towards the groove bottom of the side support groove.

[0051] In the present application, the butterfly rib 100 is limited and supported by the intermediate support groove, and the main rib 200 is limited and supported by the side support groove, the positioning is more accurate, the butterfly rib 100 and the main rib 200 are overlapped in the depth direction of the side support groove, the two hooks 22 of the clamping mechanism 2 press the two main ribs 200 towards the groove bottom of the side support groove, which effectively reduces the clamping force of the main rib 200 on the butterfly rib 100, avoids the deformation of the butterfly rib 100 due to excessive force, and ensures the welding forming quality of the grid arch.

[0052] Specifically, the carrier frame 1 comprises a bottom plate 11 and a plurality of support plates 12 arranged on the bottom plate 11, the plurality of support plates 12 are sequentially and spacedly arranged along the extension direction of the main rib 200, each support plate 12 is provided with an intermediate groove 121 and two side grooves 122, the intermediate groove 121 is located between the two side grooves 122, the plurality of intermediate grooves 121 constitute the intermediate support groove, the plurality of side grooves 122 on the same side of the intermediate groove 121 constitute the side support groove, and the clamping mechanism 2 is installed on the bottom plate 11. During clamping, the two symmetrical butterfly ribs 100 are limited and clamped in each intermediate groove 121, and the main ribs 200 on both sides of the butterfly rib 100 are limited and clamped by the corresponding plurality of side grooves 122. The above arrangement can provide more operation space for the subsequent welding process.

[0053] More specifically, the carrier frame 1 further comprises an alignment plate 13, which is configured to abut against the end of the main rib 200 in the side support groove. The above arrangement enables the main rib 200 abutting against the butterfly rib 100 to be aligned in the length direction, thereby ensuring the welding forming quality of the grid arch.

[0054] Specifically, the carrier frame 1 further comprises an alignment adjusting member 14, the alignment plate 13 is connected to one support plate 12 at one end of the extension direction of the main rib 200 through the alignment adjusting member 14, and the alignment adjusting member 14 can adjust the spacing between the alignment plate 13 and the support plate 12. The above arrangement enables the alignment plate 13 to adapt to the forming of grid arches of various specifications, and enables the alignment plate 13 to abut against and align the main rib 200.

[0055] More specifically, the alignment adjusting member 14 comprises a support screw and an adjusting nut. Among them, the support screw is arranged on one of the support plates 12 at one end of the extension direction of the main rib 200, and two adjusting nuts are screwed on the support screw. The alignment plate 13 is sleeved on the support screw and clamped between the two adjusting nuts. In addition to the above arrangement, the alignment adjusting member 14 can also be simply arranged as a gas cylinder, which directly drives the alignment plate 13 to move.

[0056] Specifically, the carrier frame 1 further comprises a limiting block 15, which is arranged on the bottom plate 11 and clamped between two limiting blocks 15 in the extension direction of the main rib 200. By arranging the limiting block 15, the butterfly rib 100 can be positioned more accurately when clamped and limited.

[0057] More specifically, the carrier frame 1 further comprises an adjusting block 16, which is adjustably connected to the support plate 12 along the depth direction of the middle support groove, and the adjusting block 16 is configured to support the butterfly rib 100 in the middle support groove.

[0058] In this embodiment, the support plate 12 is connected vertically to the bottom plate 11, the depth direction of the middle support groove is parallel to the depth direction of the side support groove on the support plate 12, the adjusting block 16 is provided with a long hole, the length direction of the long hole is parallel to the depth direction of the middle support groove, the fastener can be screwed to the support plate 12 through the long hole, the main rib 200 extends along the arc, and the plurality of support plates 12 gradually deflect to adapt to the bending radius of the main rib 200. The bottom plate 11 is provided with a hollow hole corresponding to the position where the butterfly rib 100 and the main rib 200 abut, so that the welding equipment can weld the butterfly rib 100 and the main rib 200 from multiple directions during welding.

[0059] Specifically, the clamping mechanism 2 further comprises a clamping seat 23 and a synchronous block 24. Among them, the clamping seat 23 is fixedly arranged on the carrier frame 1, the hook claw 22 is rotatably arranged on the clamping seat 23, the hook claw 22 is rotatably connected to the synchronous block 24, and the clamping driver 21 is configured to drive the synchronous block 24 to move, so as to drive the two hook claws 22 to rotate synchronously. The above arrangement has the advantages of simple structure, convenient operation and synchronous driving of the two hook claws 22.

[0060] More specifically, the hook claw 22 is provided with a first pressing portion and a second pressing portion connected with each other, the first pressing portion and the second pressing portion form a hook-shaped structure, the extension directions of the first pressing portion and the second pressing portion are arranged at an included angle, when the main reinforcement 200 is pressed, the first pressing portion and the second pressing portion are in abutment with the main reinforcement 200, and can exert a force on the main reinforcement 200 towards the groove bottom and the one side groove wall of the side support groove, compared with the existing device which only exerts force on the main reinforcement 200 in one direction, the clamping force of the main reinforcement 200 on the butterfly reinforcement 100 is further reduced, and on the basis of ensuring the mutual abutment between the main reinforcement 200 and the butterfly reinforcement 100, the two main reinforcements 200 in the same side support groove can be aligned with the one side groove wall of the side support groove, and the positioning accuracy of the main reinforcement 200 is further improved.

[0061] In the embodiment, the clamping driver 21 is a pneumatic cylinder, which is rotatably installed on the bottom plate 11, the clamping seat 23 is fixedly arranged on the bottom plate 11, the output end of the clamping driver 21 is rotatably connected to one end of the intermediate connecting rod, and the other end of the intermediate connecting rod is rotatably connected to the synchronous block 24. In other embodiments, the clamping driver 21 is a pneumatic cylinder, which can directly drive the two hook claws 22 to move for pressing.

[0062] Specifically, the clamping device further comprises a demolding mechanism 3, which is configured to push the main reinforcement 200 and / or the butterfly reinforcement 100 away from the carrier frame 1. By arranging the demolding mechanism 3, the grid arch that is welded on the carrier frame 1 can be conveniently removed.

[0063] More specifically, the demolding mechanism 3 comprises a demolding driver 31 and a demolding plate 32. The demolding driver 31 is installed on the carrier frame 1, and the demolding plate 32 is installed on the output end of the demolding driver 31. The demolding driver 31 drives the demolding plate 32 to move, and the demolding plate 32 pushes the main reinforcement 200 located on the groove bottom of the side support groove.

[0064] In the embodiment, the demolding driver 31 is a pneumatic cylinder, and two demolding drivers 31 are arranged. The demolding plate 32 is connected to the piston rods of the two pneumatic cylinders and is driven by the two pneumatic cylinders, so that the stress on the demolding plate 32 is more balanced. In addition, the demolding mechanism 3 corresponds to the clamping mechanism 2, and among the adjacent two support plates 12, one support plate 12 is provided with two clamping mechanisms 2 and one demolding mechanism 3. In other embodiments, the demolding mechanism 3 can also directly abut against the main reinforcement 200 and / or the butterfly reinforcement 100 by a pneumatic cylinder.

[0065] Specifically, the clamping device further comprises a turnover seat 4, a turnover driver 5 and a turnover table 6. The turnover driver 5 is arranged on the turnover seat 4, the turnover table 6 is connected to the output end of the turnover driver 5, the turnover driver 5 is configured to drive the turnover table 6 to rotate, and the carrier frame 1 is installed on the turnover table 6. The above arrangement makes it possible to perform double-sided welding on the butterfly rib 100 and the main rib 200 on the carrier frame 1, thereby improving the welding efficiency.

[0066] In the embodiment, the carrier frame 1 is detachably installed on the turnover table 6, different specifications of carrier frames 1 can be replaced according to the different sizes of the grid arches, the turnover driver 5 is matched with a servo motor and a driving gear, the servo motor is installed on the turnover seat 4, the driving gear is installed on the output shaft of the servo motor, the turnover table 6 is rotatably installed on the turnover seat 4, a driven gear meshing with the driving gear is installed on the turnover table 6, and the rotation position of the turnover table 6 has high accuracy and is efficient and stable through gear transmission.

[0067] The embodiment further provides a clamping method using the above clamping device, which comprises the following steps.

[0068] Step one: one main rib 200 is respectively placed in each of the two side support grooves of the carrier frame 1.

[0069] Step two: the butterfly rib 100 is placed in the middle support groove of the carrier frame 1.

[0070] Step three: another main rib 200 is respectively placed in each of the two side support grooves of the carrier frame 1, so that the butterfly rib 100 is clamped between the two main ribs 200 in the depth direction of the side support grooves.

[0071] Step four: the clamping driver 21 of the clamping mechanism 2 drives the two hooks 22 to move, so that the two hooks 22 press against the two main ribs 200 in the side support grooves one by one.

[0072] The carrier frame 1 without clamping the butterfly rib 100 and the main rib 200 can be installed on the turnover table 6 before step one, or the carrier frame 1 clamping the butterfly rib 100 and the main rib 200 can be installed on the turnover table 6 after step four.

[0073] Step five: the turnover driver 5 drives the turnover table 6 to turn over, and the welding device welds the butterfly rib 100 and the main rib 200 on the carrier frame 1 from multiple directions.

[0074] Step six: the clamping driver 21 of the clamping mechanism 2 drives the two hooks 22 to reset, thereby releasing the two main ribs 200 in the side support grooves.

[0075] Step seven: the ejection mechanism 3 is actuated to eject the grid arch with the butterfly rib 100 and the main rib 200 welded thereon from the carrier frame 1.

[0076] Step eight, the moving device hoists the completed lattice arch to a storage area.

[0077] Obviously, the above-mentioned embodiments of the present application are only examples for clearly illustrating the present application, and are not intended to limit the embodiments of the present application. Based on the above description, other different forms of changes or variations can be made by those skilled in the art. Here, it is not necessary and impossible to exhaust all the embodiments. Any modification, equivalent replacement and improvement, etc. made within the spirit and principle of the present application shall be included in the protection scope of the claims of the present application.

Claims

1. A clamping device, characterized in that, include: The support frame (1) is provided with a middle support groove and two side support grooves. The middle support groove is located between the two side support grooves. In the depth direction of the side support groove, the butterfly rib (100) in the middle support groove can be clamped between the two main ribs (200) in the side support groove. Clamping mechanism (2), each of the side support grooves is provided with at least one clamping mechanism (2), the clamping mechanism (2) includes a clamping driver (21) and two hooks (22), the clamping driver (21) is disposed on the support frame (1), the clamping driver (21) can drive the two hooks (22) to press the two main ribs (200) in the side support groove toward the bottom of the side support groove in a one-to-one correspondence; The support frame (1) includes a base plate (11) and a plurality of support plates (12) disposed on the base plate (11). The plurality of support plates (12) are arranged sequentially at intervals along the extension direction of the main rib (200). Each support plate (12) is provided with a central groove (121) and two side grooves (122). The plurality of central grooves (121) constitute the central support groove. The plurality of side grooves (122) on the same side of the central groove (121) constitute the side support groove. The clamping mechanism (2) is installed on the base plate (11). The support frame (1) further includes an adjustment block (16), which is tunably connected to the support plate (12) along the depth direction of the intermediate support groove. The adjustment block (16) is configured to support the butterfly rib (100) in the intermediate support groove. The support frame (1) also includes a limiting block (15), which is disposed on the base plate (11). In the extension direction of the main reinforcement (200), each butterfly reinforcement (100) is sandwiched between two limiting blocks (15).

2. The clamping device according to claim 1, characterized in that, The support frame (1) also includes an alignment plate (13) configured to abut against the end of the main rib (200) in the side support groove.

3. The clamping device according to claim 2, characterized in that, The support frame (1) further includes an alignment adjustment member (14), the alignment plate (13) is connected to a support plate (12) at one end of the extension direction of the main rib (200) through the alignment adjustment member (14), and the alignment adjustment member (14) can adjust the interval between the alignment plate (13) and the support plate (12).

4. The clamping device according to claim 1, characterized in that, The clamping mechanism (2) further includes: The clamping seat (23) is fixed on the support frame (1), and the hook (22) is rotatably mounted on the clamping seat (23); Synchronization block (24), the pawl (22) is rotatably connected to the synchronization block (24), and the clamping driver (21) is configured to drive the synchronization block (24) to move.

5. The clamping device according to claim 1, characterized in that, It also includes a demolding mechanism (3) configured to push the main rib (200) and / or the butterfly rib (100) away from the support frame (1).

6. The clamping device according to any one of claims 1-5, characterized in that, Also includes: Flip seat (4); A flip drive (5) is disposed on the flip base (4); A rotating platform (6) is connected to the output end of the rotating driver (5), which is configured to drive the rotating platform (6) to rotate. The support frame (1) is mounted on the rotating platform (6).

7. A clamping method, characterized in that, Using the clamping device according to any one of claims 1-6, comprising: Step 1: Place a main reinforcing bar (200) in each of the two side support grooves of the support frame (1); Step 2: Place the butterfly tendon (100) in the middle support groove of the support frame (1). Step 3: Place a main rib (200) in each of the two side support grooves of the support frame (1), so that the butterfly rib (100) is sandwiched between the two main ribs (200) in the side support groove in the depth direction of the side support groove; Step 4: The clamping driver (21) of the clamping mechanism (2) drives the two claws (22) to move, so that the two claws (22) press against the two main ribs (200) in the side support groove one by one.

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