CN218486767U

CN218486767U - Clamping device

Info

Publication number: CN218486767U
Application number: CN202221513531.7U
Authority: CN
Inventors: 李青; 李赫然; 何邦明; 姜文成; 李志军; 闫冬成; 胡恒广
Original assignee: Hebei Guangxing Semiconductor Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Current assignee: Hebei Guangxing Semiconductor Technology Co Ltd; Beijing Yuanda Xinda Technology Co Ltd
Priority date: 2022-06-16
Filing date: 2022-06-16
Publication date: 2023-02-17
Anticipated expiration: 2032-06-16

Abstract

The application provides a clamping device relates to overflow brick processing technology field. Wherein the clamping device comprises a first support beam extending in a first direction; two fixture, the two sets up relatively, fixture includes: main part and centre gripping subassembly, main part sliding connection in first supporting beam, the up end of main part is in first direction's first end is provided with first cushion, is used for supporting the holding surface of overflow brick, the centre gripping subassembly set up in the up end of main part and with the relative second end of first end holds, just the centre gripping subassembly includes: and the fastener is movable relative to the main body along the first direction and is used for supporting the side surface of the overflow brick from the first direction. The technical problem that current anchor clamps use the security low and with higher costs can be solved to this application technical scheme.

Description

Clamping device

Technical Field

The application relates to the technical field of overflow brick processing, in particular to a clamping device.

Background

Need use the overflow brick of high accuracy in the liquid crystal glazing base plate production line, need put into ultrasonic cleaning equipment after the overflow brick finish machining and wash, the anchor clamps that ultrasonic cleaning used at present place the risk of colliding with occasionally at the overflow brick, and the overflow brick of equidimension not needs to use the anchor clamps of multiple model, and manufacturing cost is higher.

SUMMERY OF THE UTILITY MODEL

The embodiment of the application aims at providing a clamping device to solve the technical problems that an existing clamp is low in use safety and high in cost.

In order to solve the above technical problem, an embodiment of the present application provides the following technical solutions:

the application provides a clamping device, this clamping device includes: a first support beam extending in a first direction; two fixture, the two sets up relatively, fixture includes: main part and centre gripping subassembly, main part sliding connection in first supporting beam, the up end of main part is in first direction's first end is provided with first cushion for support the holding surface of overflow brick, the centre gripping subassembly set up in the up end of main part and with the relative second end of first end holds, just the centre gripping subassembly includes: a fastener movable in the first direction relative to the body for holding a side of the overflow brick from the first direction; wherein the first direction is the length direction of the overflow brick.

In some variations of the present application, the body includes: the clamping device comprises a movable block, an upper end plate and a lower end plate, wherein the upper end plate and the lower end plate are respectively arranged on the upper end surface and the lower end surface of the movable block;

the first supporting beam is an I-shaped beam, and the top side of the first supporting beam is provided with a sliding groove extending along the first direction;

and a sliding block matched with the sliding groove is arranged at the bottom side of the lower end plate, and the sliding block is arranged in the sliding groove in a sliding manner.

In some modified embodiments of the present application, the method further includes: at least two positioning mechanism, respectively corresponding to two fixture, positioning mechanism includes: the movable piece and the first threaded connecting piece;

the moving part set up in the lateral part of the top panel of first support beam, it includes: the first flat plate and the second flat plate are arranged at intervals in the longitudinal direction, and the side plate is connected between the side portions of the first flat plate and the second flat plate;

the first threaded connecting piece is in threaded connection with the first threaded hole, and the bottom end of the first threaded connecting piece is pressed on the lower end plate.

In some modified embodiments of the present application, the number of the positioning mechanisms is plural, and at least one of the positioning mechanisms is provided on each of the two sides of each of the clamping mechanisms in the second direction;

wherein the second direction is perpendicular to the first direction and the longitudinal direction.

In some variations of the present application, the clamping assembly comprises: the fixing plate and the fastener, the fixing plate along vertically set up in the second end of the up end of main part, the fixing plate is followed second screw hole has been seted up to the first direction, the fastener be threaded connection spare, and with second screw hole threaded connection.

In some modified embodiments of the present application, a second cushion layer is provided at an end of the fastener on the same side as the first cushion layer.

In some modified embodiments of the present application, the method further includes: at least two second support beams extending along a second direction and fixed to the side portions of the first support beams;

the first supporting beam is provided with at least one second supporting beam on two opposite sides in the second direction respectively, and the second direction is perpendicular to the first direction and the longitudinal direction.

In some modified embodiments of the present application, the number of the second supporting beams is plural, and two of the second supporting beams are symmetrically arranged on two opposite sides of the first supporting beam in the second direction, and the plural groups of the second supporting beams are arranged at intervals in the first direction.

In some modified embodiments of the present application, the first cushion layer has at least one blind threaded hole, and the upper end plate has at least one third threaded hole corresponding to and adapted to the blind threaded hole, for connecting a second threaded connection member to fix the first cushion layer and the upper end plate.

In some variations of the present application, the overflow brick comprises: the overflow brick comprises an overflow brick body and a brick tip part integrally arranged at the bottom side of the overflow brick body, wherein the supporting surface is positioned on the overflow brick body or the brick tip part;

the height of the movable block is greater than the distance between the supporting surface and the bottom end of the brick tip part, and when the clamping device clamps and fixes the overflow brick, a gap is formed between the movable block and the brick tip part.

Compared with the prior art, the clamping device provided by the application has the advantages that two clamping mechanisms are adopted to stably support, clamp and fix the two ends of the overflow brick, the first cushion layer arranged on the main body of the clamping mechanism can effectively avoid the collision of the overflow brick during placement, and the overflow brick is protected; and two fixture slide connection respectively in first supporting beam, can realize the regulation of distance between two fixture when making the device place in ultrasonic cleaning equipment steadily to adapt to the overflow brick of different sizes and use, strong adaptability can do benefit to control manufacturing cost.

Drawings

The above and other objects, features and advantages of exemplary embodiments of the present application will become readily apparent from the following detailed description, which proceeds with reference to the accompanying drawings. Several embodiments of the present application are illustrated by way of example and not by way of limitation in the figures of the accompanying drawings and in which like reference numerals refer to similar or corresponding parts and in which:

fig. 1 is a schematic view of a main structure of a clamping device according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a clamping mechanism according to an embodiment of the present invention;

fig. 3 is a schematic view of supporting and fixing overflow bricks by using the clamping device provided by the embodiment of the invention;

the reference numbers illustrate:

the supporting device comprises a first supporting beam 1, a sliding groove 101, a clamping mechanism 2, a main body 21, a movable block 211, an upper end plate 212, a lower end plate 213, a sliding block 2131, a clamping assembly 22, a fastener 221, a fixing plate 222, a first cushion layer 3, a threaded blind hole 301, a positioning mechanism 4, a movable piece 41, a first flat plate 411, a second flat plate 412, a side plate 413, a second supporting beam 5, an overflow brick 6, an overflow brick body 61, a brick tip part 62, a supporting surface 601, a first direction X and a second direction Y.

Detailed Description

Exemplary embodiments of the present disclosure will be described in more detail below with reference to the accompanying drawings. While exemplary embodiments of the present disclosure are shown in the drawings, it should be understood that the present disclosure may be embodied in various forms and should not be limited to the embodiments set forth herein. Rather, these embodiments are provided so that this disclosure will be thorough and complete, and will fully convey the scope of the disclosure to those skilled in the art.

It is to be noted that, unless otherwise specified, technical terms or scientific terms used herein shall have the ordinary meaning as understood by those skilled in the art to which this application belongs.

Examples

Referring to fig. 1-3, a first embodiment of the present invention provides a clamping device, which includes: a first support beam 1 extending in a first direction X; two fixture 2, the two relative setting and respectively sliding connection in first supporting beam 1, fixture 2 includes: main part 21 and centre gripping subassembly 22, the up end of main part 21 is in first direction X is last first end is provided with first cushion layer 3 for support overflow brick 6's holding surface 601, centre gripping subassembly 22 set up in the up end of main part 21 and with the second end that first end is relative, just centre gripping subassembly 22 includes: a fastener 221 movable in said first direction X with respect to said main body 21, for supporting a side of said overflow brick 6 from said first direction X; wherein the first direction X is the length direction of the overflow brick 6.

Specifically, the clamping device provided by the embodiment is used for being placed in an ultrasonic cleaning device and supporting and fixing the overflow brick 6 in the ultrasonic cleaning process; the overflow brick 6 is a core component for producing and manufacturing the liquid crystal glass substrate by an overflow fusion method, is usually in a long and narrow groove-shaped structure, is made of high-temperature-resistant compact zircon, and is hard and brittle; referring to fig. 3, the overflow brick 6 includes an overflow brick body 61 and a brick tip portion 62 integrally disposed at the bottom side of the overflow brick body 61, the overflow brick 6 has support surfaces 601 at two sides of its length direction respectively for supporting the overflow brick 6 by a clamping device, the support surfaces 601 may be located at the side of the overflow brick body 61, or at the side of the brick tip portion 62, or at the side of the joint portion between the overflow brick body 61 and the brick tip portion 62, and this is not particularly limited; the overflow bricks 6 of high generation are heavy in weight and are particularly easy to collide when placed.

Specifically, in order to solve the technical problems that overflow bricks 6 with different sizes need to be clamped and fixed by clamps with different models and the production cost is high, the utility model adopts the technical scheme that a first supporting beam 1 is placed in an ultrasonic cleaning device and used as a slide way, the first supporting beam 1 extends along a first direction X, and when the overflow bricks 6 are placed, the length direction of the overflow bricks 6 is in the same direction as the first direction X; the two clamping mechanisms 2 are respectively used for supporting and clamping two ends of the overflow brick 6 so as to achieve the effect of stably fixing the overflow brick 6, and the two clamping mechanisms 2 can respectively slide relative to the first supporting beam 1, so that the distance between the two clamping mechanisms 2 can be adjusted to adapt to overflow bricks 6 with different sizes for use; in order to realize the clamping and fixing of the overflow brick 6 and avoid the collision of the overflow brick 6 when the overflow brick is placed, in the specific implementation, the clamping structure specifically comprises a main body 21 and a clamping component 22, the main body 21 is slidably mounted on the first support beam 1, the main body 21 can be specifically set to be a block structure with a certain height, a first buffer layer 3 is arranged at a first end, close to each other, of the upper end faces of the main bodies 21 of the two clamping mechanisms 2, when the overflow brick 6 is placed, the buffer layer can contact and support the support face 601 of the overflow brick 6, the buffer layer has flexible buffer performance, and can be specifically but not limited to be made of an elastic rubber material, so that the buffer protection effect can be realized when the overflow brick 6 is contacted, the overflow brick 6 is prevented from being rigidly collided, after the overflow brick 6 is supported by the first buffer layer, the fasteners 221 of the two clamping components 22 are adjusted, the two fasteners 221 are gradually moved towards the direction close to the overflow brick 6 along the first direction X until the side face of the overflow brick 6 is supported, the overflow brick 6 is stably clamped between the two clamping components 22, so as to realize the clamping and fixing of the overflow brick 6, and the stable positioning in the ultrasonic cleaning process.

Specifically, in the process of ultrasonic cleaning of the overflow bricks 6, the clamping device in the embodiment needs to be soaked in water, and in order to prevent rusting, the first support beam 1 and the clamping mechanism 2 can be made of 304 stainless steel materials, so that the service life of the clamping device can be effectively prolonged; the specific structural configuration of the clamping assembly 22 will be described in detail below, and in addition, since the overflow brick 6 is immersed in water during the ultrasonic cleaning process, there is a certain expansion, in the specific implementation, the clamping force of the clamping assembly 22 on the overflow brick 6 body can be limited to a force smaller than 100KG, and the clamping assembly is capable of fixing the overflow brick 6 and adapting to the expansion of the overflow brick 6.

According to the above list, the embodiment of the present invention provides a clamping device, which uses two clamping mechanisms 2 to stably support and clamp and fix two ends of an overflow brick 6, and the first cushion layer 3 disposed on the main body 21 of the clamping mechanism 2 can effectively avoid the overflow brick 6 from colliding during placement, which is beneficial to protecting the overflow brick 6; and two fixture 2 sliding connection respectively in first supporting beam 1 can realize the regulation of distance between two fixture 2 when making the device place in ultrasonic cleaning equipment steadily to adapt to the use of the overflow brick 6 of unidimensional not, strong adaptability can do benefit to control manufacturing cost.

Further, with reference to fig. 2, in a specific implementation, the main body 21 includes: the buffer structure comprises a movable block 211, an upper end plate 212 and a lower end plate 213 which are respectively arranged on the upper end surface and the lower end surface of the movable block 211, wherein the outer edge of the lower end plate 213 extends to the outer side of the movable block 211 by a preset distance, and the first buffer cushion layer 3 and the clamping assembly 22 are arranged on the upper end plate 212; the first support beam 1 is an i-beam, and the top side thereof is provided with a sliding groove 101 extending along the first direction X; the bottom side of the lower end plate 213 is provided with a sliding block 2131 matched with the sliding chute 101, and the sliding block 2131 is arranged in the sliding chute 101 in a sliding manner.

Specifically, the utility model adopts a technical solution, the main body 21 is divided into a three-part structure, which is respectively a movable block 211 as a main body part, and an upper end plate 212 and a lower end plate 213 which are respectively fixed on the upper end surface and the lower end surface of the movable block 211, the movable block 211 can be but not limited to be set into a rectangular cubic structure, correspondingly, the upper end plate 212 and the lower end plate 213 can be set into a rectangular plate structure, the size of the upper end plate 212 is not limited, the size of the lower end plate 213 is slightly larger than the sectional size of the movable block 211, the outer edge of the lower end plate extends to the outer side of the movable block 211 and is a preset distance, the upper end plate 212 and the lower end plate 213 can be fixed on the movable block 211 by welding, and the first cushion layer 3 and the clamping component 22 are installed on the upper surface of the upper end plate 212; the first support beam 1 can be an I-shaped beam, namely the cross section of the first support beam is similar to an I shape, and the first support beam comprises a top panel, a bottom panel and a longitudinal connecting part between the top panel and the bottom panel; in order to realize the sliding connection between the clamping mechanism 2 and the first support beam 1, a sliding groove 101 extending along the first direction X may be disposed on the upper surface of the first support beam 1, a sliding block 2131 adapted to the cross-sectional shape and size of the sliding groove 101 may be correspondingly disposed on the lower surface of the lower end plate 213 of the main body 21, the sliding block 2131 is slidably mounted in the sliding groove 101, and the sliding block 2131 may slide relative to the sliding groove 101 to drive the clamping mechanism 2 to slide relative to the first support beam 1.

Specifically, referring to fig. 1, in order to fix the first cushion layer 3 and the upper end plate 212, at least one threaded blind hole 301 may be disposed on the first cushion layer 3, and at least one corresponding third threaded hole may be disposed on the upper end plate 212, so as to connect the second threaded connector to the corresponding threaded blind hole 301 and the corresponding third threaded hole by using a thread, the second threaded connector may specifically be a bolt, and the head of the bolt may not protrude out of the upper surface of the first cushion layer 3 by setting the threaded blind hole 301, thereby ensuring the buffer protection effect on the overflow brick 6.

Further, referring to fig. 2, in a specific implementation, the clamping device provided in this embodiment further includes: at least two positioning mechanisms 4 respectively corresponding to the two clamping mechanisms 2, wherein the positioning mechanisms 4 comprise: a movable member 41 and a first threaded connection; the movable member 41 is disposed at a side portion of a top panel of the first support beam 1, and includes: a first flat plate 411 and a second flat plate 412 which are arranged at intervals in the longitudinal direction, and a side plate 413 which is connected between the side portions of the first flat plate 411 and the second flat plate 412, wherein the first flat plate 411 is connected with the top panel of the first support beam 1 in a sliding manner and can slide to the position of the second flat plate 412 on the top side of the lower end plate 213, and a first threaded hole is formed in the second flat plate 412 in a penetrating manner; the first threaded connector is in threaded connection with the first threaded hole, and the bottom end of the first threaded connector is pressed against the lower end plate 213.

Specifically, in order to realize the fixed of two fixture 2 in 1 slide adjusting back position of relative first supporting beam, the utility model discloses the technical scheme who takes adopts, adopt two at least positioning mechanism 4, correspond to two fixture 2 respectively, positioning mechanism 4's structure includes: the movable member 41 and the first threaded connecting member, the movable member 41 is composed of a first flat plate 411, a second flat plate 412 and a side plate 413, the first flat plate 411 is slidably connected with a side portion of a top panel of the first support beam 1, so that the movable member 41 can slide relative to the first support beam 1, and the position of the movable member can be adjusted, after the position of the clamping mechanism 2 is determined, the movable member 41 can slide to a position corresponding to the clamping mechanism 2, at this time, the second flat plate 412 is located on the upper side of the lower end plate 213 and can be attached to the upper surface of the lower end plate 213 or be spaced from the upper surface of the lower end plate 213 by a certain distance, the movable member is connected to a first threaded hole of the second flat plate 412 through the first threaded connecting member and is gradually screwed downwards, so that the bottom end of the first threaded connecting member is pressed on the upper surface of the lower end plate 213, and the positioning of the clamping mechanism 2 is realized; the first threaded connection may be, but is not limited to, a bolt; the preset distance by which the outer edge of the lower end plate 213 extends to the outside of the movable block 211 may be equal to or greater than the length of the second flat plate 412 in the second direction Y.

Further, referring to fig. 1 and fig. 2, in an implementation, the number of the positioning mechanisms 4 is multiple, and at least one positioning mechanism 4 is respectively disposed on both sides of each clamping mechanism 2 in the second direction Y; wherein the second direction Y is perpendicular to the first direction X and the longitudinal direction.

Specifically, in order to improve the reliability of positioning the clamping mechanisms 2, the present invention adopts a technical solution in which a plurality of positioning mechanisms 4 can be provided, and at least one positioning mechanism 4 is respectively provided on both sides of each clamping mechanism 2 in the second direction Y, optimally, each clamping mechanism 2 can be provided with four positioning mechanisms 4, and two positioning mechanisms are correspondingly provided in the second direction Y of the clamping mechanism 2; the second direction Y here refers to a direction that is coplanar with the first direction X and perpendicular to the first direction X.

Further, with reference to fig. 2, in an implementation, the clamping assembly 22 includes: the fixing plate 222 is disposed at a second end of the upper end surface of the main body 21 along the longitudinal direction, the fixing plate 222 is provided with a second threaded hole along the first direction X, and the fastening member 221 is a threaded connection member and is in threaded connection with the second threaded hole.

Specifically, fixed to overflow brick 6's centre gripping in order to realize, the utility model discloses in the technical scheme who takes, centre gripping subassembly 22 specifically includes: the fixing piece is fixed at the second end of the upper end face of the main body 21, the fixing piece can be specifically arranged as a plate or a block and is provided with a second threaded hole, the second threaded hole is spaced from the upper end face in the longitudinal direction by a certain distance, the fastening piece 221 is a threaded connecting piece and is connected to the second threaded hole, the fastening pieces 221 of the two clamping assemblies 22 are close to each other by screwing the threaded connecting piece until the end parts of the fastening pieces 221 and the first buffer layer on the same side are contacted and prop against the side face of the overflow brick 6, and the clamping force applied to the overflow brick 6 by the clamping assemblies 22 can be limited to be less than 100 KG; in order to avoid the damage of the fastener 221 to the side face of the overflow brick 6, a second cushion layer can be arranged at the end part of the fastener 221, which is located at the same side as the first cushion layer, and the second cushion layer can be made of the same material as the first cushion layer 3, so that the function of buffering and protecting the overflow brick 6 can be achieved.

Further, referring to fig. 1, in an implementation, the clamping device provided in this embodiment further includes: at least two second support beams 5 extending in a second direction Y and fixed to side portions of the first support beam 1; at least one second support beam 5 is respectively arranged on two opposite sides of the first support beam 1 in the second direction Y, and the second direction Y is perpendicular to the first direction X and the longitudinal direction.

Specifically, in order to improve the overall stability of the device, in the technical scheme adopted by the utility model, the two sides of the first supporting beam 1 in the second direction Y can be respectively provided with the second supporting beams 5, and the extending direction of the second supporting beams 5 is perpendicular to the second direction Y of the first supporting beam 1, which is beneficial to increasing the stability of the clamping device in the process of ultrasonic cleaning of the overflow bricks 6; preferably, the number of the second supporting beams 5 may be multiple, and each two of the second supporting beams 5 are symmetrically arranged on two opposite sides of the first supporting beam 1 in the second direction Y, and the multiple groups of the second supporting beams 5 are arranged at intervals along the first direction X.

It should be noted that in the description of the present specification, the terms "upper", "lower", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, which are only for convenience of describing the present invention and simplifying the description, but do not indicate or imply that the referred device or element must have a specific orientation, be constructed in a specific orientation, and be operated, and thus, should not be construed as limiting the present invention; the terms "connected," "mounted," "secured," and the like are to be construed broadly and include, for example, fixed connections, removable connections, or integral connections; may be directly connected or indirectly connected through an intermediate. The specific meaning of the above terms in the present invention can be understood according to specific situations by those skilled in the art.

In the description of the present specification, the description of the terms "one embodiment," "some embodiments," "specific embodiments," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The above description is only for the specific embodiments of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art can easily think of the changes or substitutions within the technical scope of the present invention, and all should be covered within the protection scope of the present invention. Therefore, the protection scope of the present invention shall be subject to the protection scope of the claims.

Claims

1. The utility model provides a clamping device for support fixed overflow brick, overflow brick is provided with the holding surface respectively along its ascending both ends of length direction, a serial communication port, includes:

a first support beam extending in a first direction;

two fixture, the two sets up relatively, fixture includes: main part and centre gripping subassembly, main part sliding connection in first supporting beam, the up end of main part is in first direction's first end is provided with first cushion, is used for supporting the holding surface of overflow brick, the centre gripping subassembly set up in the up end of main part and with the relative second end of first end holds, just the centre gripping subassembly includes: a fastener movable in the first direction relative to the main body for holding a side of the overflow brick from the first direction;

wherein the first direction is the length direction of the overflow brick.

2. Clamping device according to claim 1,

the main body includes: the clamping device comprises a movable block, an upper end plate and a lower end plate, wherein the upper end plate and the lower end plate are respectively arranged on the upper end surface and the lower end surface of the movable block;

and a sliding block matched with the sliding groove is arranged at the bottom side of the lower end plate and is arranged in the sliding groove in a sliding manner.

3. The clamping device of claim 2, further comprising:

at least two positioning mechanism, correspond to two respectively fixture, positioning mechanism includes: the movable piece and the first threaded connecting piece;

the moving part set up in the lateral part of the top panel of first supporting beam, it includes: the first flat plate and the second flat plate are arranged at intervals in the longitudinal direction, and the side plate is connected between the side portions of the first flat plate and the second flat plate;

4. Clamping device according to claim 3,

the number of the positioning mechanisms is multiple, and at least one positioning mechanism is arranged on each of two sides of each clamping mechanism in the second direction;

5. Clamping device according to claim 1,

the clamping assembly comprises: the fixing plate and the fastener, the fixing plate along vertically set up in the second end of the up end of main part, the fixing plate is followed second screw hole has been seted up to the first direction, the fastener be threaded connection spare, and with second screw hole threaded connection.

6. Clamping device according to claim 5,

and a second cushion layer is arranged at the end part of the fastener, which is positioned at the same side as the first cushion layer.

7. The clamping device of claim 1, further comprising:

at least two second support beams extending along a second direction and fixed to the side portions of the first support beams;

8. Clamping device according to claim 7,

the number of the second supporting beams is multiple, every two of the second supporting beams are symmetrically arranged on two opposite sides of the first supporting beam in the second direction, and the multiple groups of the second supporting beams are arranged at intervals in the first direction.

9. Clamping device according to claim 2,

the first cushion layer is provided with at least one threaded blind hole, and the upper end plate is provided with at least one third threaded hole which corresponds to and is adaptive to the threaded blind hole and is used for connecting a second threaded connecting piece to fix the first cushion layer and the upper end plate.

10. Clamping device according to claim 2,

the overflow brick comprises: the overflow brick comprises an overflow brick body and a brick tip part integrally arranged at the bottom side of the overflow brick body, wherein the supporting surface is positioned on the overflow brick body or the brick tip part;

the height of the movable block is larger than the distance between the supporting surface and the bottom end of the brick point part, and when the clamping device clamps and fixes the overflow brick, a gap is formed between the movable block and the brick point part.