Dispensing mechanism and dispensing device

Abstract

The utility model belongs to the technical field of processing devices, and particularly relates to a dispensing mechanism and a dispensing device. A moving part can move in a reciprocating mode in the first direction, a rotating part is connected with the moving part, the rotating part is provided with a first rotating axis and can rotate around the first rotating axis, a positioning assembly comprises a positioning table and a clamping part, and the positioning table is arranged on the rotating part and provided with a second rotating axis. The positioning table can rotate around a second rotating axis, and the clamping piece is connected to one side of the positioning table and used for clamping a product on the positioning table. According to the technical scheme of the utility model, the position change of a plurality of spatial degrees of freedom of the product can be realized, the dispensing assembly can dispense the product on the positioning table conveniently, and the dispensing efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to processing device technical field, concretely relates to a kind of dispensing mechanism and dispensing device. BACKGROUND

[0002] In product manufacturing process, dispensing machine is needed to be used to the dispensing of the dispensing position of electronic component, with the progress of technology, the precision requirement of dispensing position is higher and higher.But the position adjustment ability of the product fixing piece of the present dispensing structure is lower, and the compatibility with dispensing valve body is poor, so that it is difficult to dispense for more complex products, and then the dispensing efficiency is reduced. SUMMARY

[0003] The utility model discloses a kind of dispensing mechanism, comprising:

[0004] The utility model discloses a kind of dispensing mechanism, comprising:

[0005] Position adjustment component, including moving piece and rotating piece, the moving piece can reciprocate along first direction, the rotating piece is connected with the moving piece, the rotating piece has first rotation axis, the first rotation axis is parallel with the first direction, the rotating piece can rotate around the first rotation axis;

[0006] Positioning component, including positioning table and clamping piece, the positioning table is set to the rotating piece and has second rotation axis, the direction of the second rotation axis is perpendicular to the first direction, the positioning table can rotate around the second rotation axis, the clamping piece is connected to one side of the positioning table, for clamping the product on the positioning table.

[0007] According to the technical scheme of the utility model, rotating piece can drive the product on positioning table to rotate around the direction of first rotation axis, moving piece can drive the product on positioning table to move along first direction, and positioning table can rotate around the direction of second rotation axis, can realize the position change of multiple spatial degrees of freedom of product, facilitate dispensing assembly to the dispensing of the product on positioning table, improve the dispensing efficiency, in addition, clamping piece can be moved towards positioning table, to clamp the product on positioning table, improve the stability and stability in product dispensing process.

[0008] In addition, according to the dispensing mechanism of the utility model, the following additional technical features can also be had:

[0009] In some embodiments of the utility model, the positioning table includes seat body part, positioning part and fixed part, the seat body part is connected with the rotating piece and can rotate around the second rotating axis, the positioning part and the fixed part are connected to the seat body part, the clamping piece is hingedly connected with the fixed part, the positioning assembly further includes first driving piece, the first driving piece is arranged on the seat body part and is connected with the clamping piece, the first driving piece can drive the clamping piece to rotate relative to the fixed part to clamp the product.

[0010] In some embodiments of the utility model, the clamping piece includes rotating part and abutting part, the middle section of the rotating part is hingedly connected with the fixed part, one end of the rotating part is connected with the first driving piece, the other end of the rotating part is connected with the abutting part towards one side of the positioning part, the first driving piece can drive the rotating part to rotate relative to the fixed part, and the abutting part cooperates with the positioning part to clamp the product.

[0011] In some embodiments of the utility model, two clamping pieces are symmetrically arranged about the positioning table, and two first driving pieces are arranged, each first driving piece is connected with one clamping piece.

[0012] In some embodiments of the utility model, the dispensing mechanism further includes a pair of needle assembly, the pair of needle assembly includes a bottom plate, a visual detection piece, a light supplementing piece and a prism, the bottom plate is connected with the moving piece, the visual detection piece, the light supplementing piece and the prism are arranged on the bottom plate, one end of the visual detection piece corresponds to the position of the prism, the light supplementing piece is located on one side of the prism and corresponds to the position of the prism, and a detection space is formed between the prism and the visual detection piece.

[0013] In some embodiments of the utility model, the dispensing assembly includes a dispensing valve and a fixing seat, the dispensing valve is arranged on the fixing seat and can move along a second direction and a third direction respectively, and the first direction, the second direction and the third direction are perpendicular to each other.

[0014] In some embodiments of the utility model, two position adjusting assemblies, two positioning assemblies and two dispensing assemblies are arranged, and each dispensing assembly is arranged corresponding to the positioning assembly on the position adjusting assembly.

[0015] In some embodiments of the utility model, the dispensing mechanism further includes a dispensing assembly, the dispensing assembly is arranged on one side of the moving piece and is used for dispensing operation on the product on the positioning table.

[0016] The utility model discloses a second aspect proposes a kind of dispensing device, comprising:

[0017] Box, the box has accommodating space inside;

[0018] Conveying mechanism, be set to the accommodating space, and for the product transmission along the first direction;

[0019] Dispensing mechanism, set to the accommodating space, the dispensing mechanism is above-mentioned dispensing mechanism;

[0020] Pick-and-place mechanism, set to the accommodating space, and for the product on the conveying mechanism is taken and moved to the dispensing mechanism.

[0021] In some embodiments of the utility model, the dispensing device further includes vacuum pump, the vacuum pump is connected with the accommodating space, for the vacuumizing operation to the accommodating space. BRIEF DESCRIPTION OF DRAWINGS

[0022] By reading the detailed description of preferred embodiments below, various other advantages and benefits will become apparent to those of ordinary skill in the art. The drawings are for the purpose of illustrating preferred embodiments only and are not to be construed as limiting the present utility model. Moreover, like reference numerals in the entire drawings designate like parts. In the drawings:

[0023] Figure 1 The structure schematic view of dispensing device according to the utility model embodiments is schematically shown;

[0024] Figure 2 For Figure 1 The structure schematic view of dispensing mechanism of dispensing device;

[0025] Figure 3 For Figure 2 The cooperation structure schematic view of positioning assembly and position adjusting assembly;

[0026] Figure 4 For Figure 2 The structure schematic view of needle assembly;

[0027] Figure 5 For Figure 2 The structure schematic view of positioning assembly.

[0028] In the drawings, various reference numerals represent the following:

[0029] 100, dispensing mechanism;

[0030] 10, position adjusting assembly;11, moving piece;12, rotating piece;13, second driving piece;14, slide rail;

[0031] 20, positioning assembly; 211, seat body; 212, positioning part; 213, fixing part; 214, first driving member; 22, clamping member; 221, abutting part; 222, rotating part;

[0032] 30, dispensing assembly; 31, fixing seat; 32, dispensing valve;

[0033] 40, needle assembly; 41, bottom plate; 42, visual detection member; 43, prism; 44, light supplement member;

[0034] 201, main warehouse body; 2011, containing space; 202, first warehouse body; 203, second warehouse body;

[0035] 300, conveying mechanism;

[0036] 400, taking and placing mechanism;

[0037] 500, rubber wiping and weighing mechanism;

[0038] 600, buffering mechanism;

[0039] 700, vacuum pump. DETAILED DESCRIPTION

[0040] Example embodiments of the present disclosure will be described below in greater detail with reference to the accompanying drawings. While example embodiments of the present disclosure are shown in the drawings, it is understood that the present disclosure can be implemented in various forms and should not be limited by the embodiments set forth herein. Rather, these embodiments are provided so that the present disclosure can be more thoroughly understood and so that the scope of the present disclosure can be completely conveyed to those skilled in the art.

[0041] It is to be understood that the terminology used herein is for the purpose of describing particular example embodiments only and is not intended to be limiting. As used herein, the singular forms "a", "an" and "the" are intended to include the plural forms as well, unless the context clearly indicates otherwise. The terms "comprises", "comprising", "includes", "including" and "has", "having" are inclusive and therefore specify the presence of stated features, steps, operations, elements, and / or components, but do not preclude the presence or addition of one or more other features, steps, operations, elements, components, and / or groups thereof. The method steps, processes, and operations described herein are not to be construed as necessarily requiring their performance in the particular order in which they are described, unless explicitly stated otherwise. It is also to be understood that additional or alternative steps can be employed.

[0042] Although the terms first, second, third, etc. can be used herein to describe various elements, components, regions, layers and / or sections, these elements, components, regions, layers and / or sections should not be limited by these terms. These terms can be only used to distinguish one element, component, region, layer or section from another region, layer or section. Unless the context clearly indicates otherwise, terms such as "first", "second" and other numerical terms when used in the singular or plural herein do not imply a sequence or order unless the context clearly indicates otherwise. Thus, a first element, component, region, layer or section discussed below could be termed a second element, component, region, layer or section without departing from the teachings of the example embodiments.

[0043] For ease of description, spatial relative terms can be used herein to describe the relationship of one element or feature to another element or feature as shown in the drawings, such as "inner", "outer", "inside", "outside", "lower", "below", "upper", "above", etc. Such spatial relative terms are intended to include different orientations of the device in use or operation in addition to the orientation depicted in the figures. For example, if the device in the figures is turned over, an element described as "below" or "under" another element or feature would then be oriented "above" or "over" the other element or feature. Thus, the example term "below" can include both an up and down orientation.

[0044] Figure 1 A structural schematic diagram of a dispensing device according to the embodiment of the present application is schematically shown. Figure 2 For Figure 1 A structural schematic diagram of a dispensing mechanism 100 of the dispensing device is shown. As shown in Figure 1 And 2 The present application provides a dispensing mechanism 100 and a dispensing device. The dispensing mechanism 100 comprises a slide rail 14, a position adjusting assembly 10, a positioning assembly 20 and a dispensing assembly 30. The slide rail 14 extends along a first direction. The position adjusting assembly 10 comprises a moving part 11 and a rotating part 12. The moving part 11 is slidably connected with the slide rail 14 and can reciprocate along the first direction relative to the slide rail 14. The rotating part 12 is connected with the moving part 11. The rotating part 12 has a first rotating axis, which is parallel to the first direction. The rotating part 12 can rotate around the first rotating axis. The positioning assembly 20 comprises a positioning table and a clamping part 22. The positioning table is arranged on the rotating part 12 and has a second rotating axis, which is perpendicular to the first direction. The positioning table can rotate around the second rotating axis. The clamping part 22 is connected to one side of the positioning table and is used to clamp a product on the positioning table. The dispensing assembly 30 is arranged on one side of the moving part 11 and is used to perform dispensing operation on the product on the positioning table.

[0045] According to the technical scheme of the utility model, the rotating piece 12 can drive the product on the positioning table to rotate around the first rotating axis direction, the moving piece 11 can drive the product on the positioning table to move on the slide rail 14 along the first direction, and the positioning table can rotate around the second rotating axis direction, so that the position change of the product in multiple spatial degrees of freedom can be realized, the cooperation degree of the product position and the dispensing assembly 30 can be improved, the dispensing assembly 30 is facilitated to dispense the product on the positioning table, the dispensing efficiency is improved, in addition, the clamping piece 22 can move towards the positioning table to clamp the product on the positioning table, and the stability and stability during the dispensing process of the product are improved. Of course, the moving piece can also reciprocate under the driving of the linear motion mechanism such as the slide table or the linear motor, and the rest of the structures that can be realized can be realized, and details are not repeated here.

[0046] In some embodiments of the utility model, as shown in Figure 5 The positioning table includes a seat body part 211, a positioning part 212 and a fixed part 213, the seat body part 211 is connected with the rotating piece 12 and can rotate around the second rotating axis, the positioning part 212 and the fixed part 213 are connected to the seat body part 211 at intervals, the clamping piece 22 is hinged with the fixed part 213, and the positioning assembly 20 further includes a first driving piece 214, which is arranged on the seat body part 211 and connected with one end of the clamping piece 22. The first driving piece 214 can drive one end of the clamping piece 22 to move towards the direction away from the positioning part 212, so that the other end of the clamping piece 22 moves towards the positioning part 212. In this embodiment, the seat body part 211 is used to support and fix the positioning part 212 and the fixed part 213, and the side of the positioning part 212 away from the seat body part 211 is used to support the product. The first driving piece 214 can be a cylinder or a motor driving component. Since the clamping piece 22 is hinged with the fixed part 213, when the first driving piece 214 pushes one end of the clamping piece 22 to move away from the positioning part 212, the other end of the clamping piece 22 can move towards the positioning part 212 and be located on the side of the positioning part 212 away from the seat body part 211, i.e. above the positioning part 212, and a clamping space is formed between the positioning part 212 and the clamping piece 22 to fix the product on the positioning part 212.

[0047] Specifically, in this embodiment, as shown in Figure 5 The fixed part 213 is provided with two, and the two fixed parts 213 are located at the circumference of the positioning part 212. The clamping piece 22 is provided with two, and each clamping piece 22 is hinged with one fixed part 213.

[0048] In some embodiments of the utility model, as shown in Figure 5As shown, the clamping piece 22 comprises a rotating part 222 and an abutting part 221, the middle section of the rotating part 222 is hinged with the fixed part 213, one end of the rotating part 222 is connected with the first driving piece 214, and the other end of the rotating part 222 is connected with the abutting part 221 towards one side of the positioning part 212, the first driving piece 214 can drive the one end of the rotating part 222 to move towards the direction away from the positioning part 212, so that the abutting part 221 is located above the positioning part 212 and forms a clamping space with the positioning part 212, and the clamping space is used for positioning and fixing the product. In the embodiment, the hinged position of the rotating part 222 and the fixed part 213 is located between the two ends of the clamping piece 22, which ensures that the two ends of the clamping piece 22 can move towards opposite directions. The first driving piece 214 drives the one end of the rotating part 222 to move, and the other end of the rotating part 222 and the abutting part 221 move towards the positioning part 212, and the abutting part 221 abuts against the product on the positioning part 212, thereby fixing the product.

[0049] In some embodiments of the utility model, as shown in Figure 2 and 3 , two clamping pieces 22 are arranged symmetrically about the positioning table, and two first driving pieces 214 are arranged, each first driving piece 214 being connected with one clamping piece 22. In the embodiment, two clamping pieces 22 and two first driving pieces 214 are arranged, so that the positioning assembly 20 has multiple work stations, and the glue dispensing assembly 30 can sequentially perform two glue dispensing operations, thereby improving the work efficiency.

[0050] Further, in the embodiment, as shown in Figure 2 and 3 , the position adjusting assembly 10 further comprises a second driving piece 13, the moving piece 11 is connected with the rotating piece 12 through the second driving piece 13, the second driving piece 13 has a driving end, the driving end has a second rotation axis, the driving end is connected with the rotating piece 12 and can drive the rotating piece 12 to rotate around the second rotation axis.

[0051] In some embodiments of the utility model, as shown in Figure 2 , 3As shown in FIGS. 4, the dispensing mechanism 100 further comprises a needle assembly 40, the needle assembly 40 comprises a bottom plate 41, a visual detection piece 42, a light supplementing piece 44 and a prism 43, the bottom plate 41 is connected with the moving piece 11, the visual detection piece 42, the light supplementing piece 44 and the prism 43 are all arranged on the bottom plate 41, one end of the visual detection piece 42 corresponds to the position of the prism 43, the light supplementing piece 44 is located at one side of the prism 43 and corresponds to the position of the prism 43, and a detection space is formed between the prism 43 and the visual detection piece 42. In the embodiment, when in use, the needle of the dispensing valve 32 of the dispensing assembly 30 is placed between the visual detection piece 42, the light supplementing piece 44 and the prism 43, the light supplementing piece 44 can provide backlight for the prism 43, so that the direction position of the needle can be determined through the visual detection piece 42, the position of the replaced needle is compared with the original needle position or the set position, and the position deviation of the needle is found out in time for adjustment, so that the accuracy of the position of the needle is ensured, and the dispensing precision is ensured.

[0052] Specifically, in the embodiment, the visual detection piece 42 can be a CCD camera, and the light supplementing piece 44 can be a lamp or the like.

[0053] In some embodiments of the utility model, as shown in Figure 2 The dispensing assembly 30 comprises a dispensing valve 32 and a fixing seat 31, the dispensing valve 32 is arranged on the fixing seat 31 and can move along the second direction and the third direction respectively, and the first direction, the second direction and the third direction are perpendicular to each other. In the embodiment, the dispensing valve 32 can move along the second direction and the third direction on the fixing seat 31 respectively, and cooperate with the movement of the positioning table to improve the adaptability of the dispensing valve 32 and the product on the positioning table, and further improve the dispensing efficiency when performing the dispensing operation.

[0054] Specifically, a camera is arranged on the dispensing valve 32, which can detect the position of the product in real time and perform accurate dispensing operation.

[0055] In some embodiments of the utility model, as shown in Figure 2 And 3 The position adjusting assembly 10 is provided with two, the positioning assembly 20 is provided with two, the dispensing assembly 30 is provided with two, and each dispensing assembly 30 is arranged correspondingly with the positioning assembly 20 on the position adjusting assembly 10. In the embodiment, the position adjusting assembly 10, the positioning assembly 20 and the dispensing assembly 30 are respectively arranged as two, which can realize the simultaneous implementation of two sets of dispensing operations, and further improve the operation efficiency of the dispensing mechanism 100.

[0056] The utility model further proposes a dispensing device, as shown in Figure 1 Comprise:

[0057] The box body has a containing space 2011 in the box body.

[0058] The conveying mechanism 300 is arranged in the accommodation space 2011 and is used for conveying the product in the first direction;

[0059] The dispensing mechanism 100 is arranged in the accommodation space 2011, and the dispensing mechanism 100 is the dispensing mechanism 100 described above.

[0060] The taking and placing mechanism 400 is arranged in the accommodation space 2011 and is used for taking the product on the conveying mechanism 300 and moving the product to the dispensing mechanism 100.

[0061] Further, in the embodiment, the accommodation space 2011 in the box can provide a vacuum environment for the dispensing operation, improve the dispensing precision, and has no influence on the dispensing operation. The conveying mechanism 300 can be a conveying component such as a conveying belt, and can convey the product in the first direction in the accommodation space 2011. During the conveying process, the taking and placing mechanism 400 can take the component from the conveying mechanism 300 and then place the component on the positioning table to perform the dispensing operation. After the dispensing operation is completed, the product is taken and transferred to the conveying mechanism 300, and then the product is conveyed out of the box by the conveying mechanism 300 and subjected to subsequent steps.

[0062] In addition, the rotating member 12 can drive the product on the positioning table to rotate around the first rotation axis direction, the moving member 11 can drive the product on the positioning table to move on the slide rail 14 in the first direction, and the positioning table can rotate around the second rotation axis direction, so that the position of the product in multiple spatial degrees of freedom can be changed, the matching degree of the dispensing assembly 30 and the product position can be improved, the dispensing assembly 30 can be facilitated to perform the dispensing operation on the product on the positioning table, the dispensing efficiency is improved, and in addition, the clamping member 22 can move towards the positioning table to clamp the product on the positioning table, so that the stability and stability of the product during the dispensing process are improved.

[0063] Specifically, in the embodiment, the taking and placing assembly can be a mechanical hand or the like structure, and can realize clamping or suction to take and place the product.

[0064] In some embodiments of the present application, as shown in Figure 1 The dispensing device further comprises a vacuum pump 700, the vacuum pump 700 is in communication with the accommodation space 2011, and is used for performing a vacuumizing operation on the accommodation space 2011.

[0065] In some embodiments of the present application, as shown in Figure 1As shown, the box body includes a main bin body 201, a first bin body 202 and a second bin body 203, the main bin body 201 has a containing space 2011, the first bin body 202 and the second bin body 203 are respectively arranged on both sides of the main bin body 201 along the first direction, and the first bin body 202 and the main bin body 201 and the main bin body 201 and the second bin body 203 are respectively provided with a first door body which can be opened and closed. In the embodiment, the side of the first bin body 202 away from the main bin body 201 and the side of the second bin body 203 away from the main bin body 201 are both provided with a second door body which can be opened and closed, and the vacuum pump 700 is communicated with the first bin body 202 and the second bin body 203 respectively, the product needs to enter the first bin body 202 first, then the second door body and the first door body are closed, the first bin body 202 is vacuumized by the vacuum pump 700, then the first door body is opened, and the product is transferred to the conveying mechanism 300 in the main bin body 201 by the transfer assembly (which can be a mechanical hand or a conveying belt and the like) in the first bin body 202, so as to realize the vacuum transfer between the first bin body 202 and the main bin body 201, the transfer mode between the first bin body 202 and the main bin body 201 is the same as the transfer mode of the first bin body 202 and the main bin body 201, and the utility model will not be repeated here.

[0066] Further, in the embodiment, as shown in the figure, Figure 1 Further, in the embodiment, as shown in the figure,

[0067] Further, in the embodiment, as shown in the figure, Figure 1 Further, in the embodiment, as shown in the figure,

[0068] Further, the positioning table three-direction position adjustment and the point glue assembly 30 two-direction position adjustment of the point glue device of the utility model can realize five-axis point glue function of the product, and greatly improve the accuracy and reliability of the point glue.

[0069] The above is only the preferred specific implementation mode of the utility model, but the protection scope of the utility model is not limited to this, any person skilled in the art can easily think of the change or replacement within the technical range disclosed by the utility model, which should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be subject to the protection scope of the claims.

Claims

1. A dispensing mechanism, characterized in that, Comprise: A position adjusting assembly, comprising a moving member and a rotating member, the moving member is capable of reciprocating along a first direction, the rotating member is connected with the moving member, the rotating member has a first rotating axis, the first rotating axis is parallel to the first direction, and the rotating member is capable of rotating around the first rotating axis; A positioning assembly, comprising a positioning table and a clamping member, the positioning table is arranged on the rotating member and has a second rotating axis, the second rotating axis is perpendicular to the first direction, the positioning table is capable of rotating around the second rotating axis, and the clamping member is connected to one side of the positioning table and used for clamping a product on the positioning table.

2. The adhesive dispensing mechanism of claim 1, wherein, The positioning table comprises a seat part, a positioning part and a fixing part, the seat part is connected with the rotating member and is capable of rotating around the second rotating axis, the positioning part and the fixing part are connected to the seat part in a spaced manner, the clamping member is hinged to the fixing part, and the positioning assembly further comprises a first driving member, the first driving member is arranged on the seat part and connected with the clamping member, and the first driving member is capable of driving the clamping member to rotate relative to the fixing part so as to clamp the product.

3. The adhesive dispensing mechanism of claim 2, wherein, The clamping member comprises a rotating part and an abutting part, a middle section of the rotating part is hinged to the fixing part, one end of the rotating part is connected with the first driving member, and the other end of the rotating part is connected with the abutting part towards one side of the positioning part, the first driving member is capable of driving the rotating part to rotate relative to the fixing part, and the abutting part cooperates with the positioning part to clamp the product.

4. The adhesive dispensing mechanism of claim 2, wherein, The clamping member is provided in two, the two clamping members are symmetrically arranged about the positioning table, and the first driving member is provided in two, each first driving member is connected with one clamping member.

5. The dispensing mechanism of any one of claims 1-4, wherein, The dispensing mechanism further comprises a pair of needle assembly, the pair of needle assembly comprises a bottom plate, a visual detection member, a light supplementing member and a prism, the bottom plate is connected with the moving member, the visual detection member, the light supplementing member and the prism are arranged on the bottom plate, one end of the visual detection member corresponds to the position of the prism, the light supplementing member is located on one side of the prism and corresponds to the position of the prism, and a detection space is formed between the prism and the visual detection member.

6. The adhesive dispensing mechanism of claim 1, wherein, The dispensing mechanism further comprises a dispensing assembly, the dispensing assembly is arranged on one side of the moving member and used for dispensing operation on the product on the positioning table.

7. The adhesive dispensing mechanism of claim 6, wherein, The dispensing assembly comprises a dispensing valve and a fixing seat, the dispensing valve is arranged on the fixing seat and is capable of moving along a second direction and a third direction respectively, and the first direction, the second direction and the third direction are perpendicular to each other.

8. The adhesive dispensing mechanism of claim 6, wherein, The position adjusting assembly is provided in two, the positioning assembly is provided in two, and the dispensing assembly is provided in two, each dispensing assembly is correspondingly arranged with the positioning assembly on the position adjusting assembly.

9. A dispensing device, characterized in that Comprise: A box body, the box body has an accommodating space inside; A conveying mechanism, arranged in the accommodating space and used for conveying products along the first direction; A dispensing mechanism, arranged in the accommodating space, and the dispensing mechanism is the dispensing mechanism according to any one of claims 1-8. A taking and placing mechanism is arranged in the accommodating space and is used to take the product on the conveying mechanism and move the product to the glue dispensing mechanism.

10. The device of claim 9, wherein, The glue dispensing device further comprises a vacuum pump which is communicated with the accommodating space and is used to perform vacuumizing operation on the accommodating space.

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