Clay cutting equipment for ceramic production

Abstract

The present invention relates to the technical field of clay cutting, and discloses a clay cutting device for ceramic production, including a workbench and a placement plate, wherein both left and right sides of the placement plate are fixedly connected with a blocking mechanism, a moving mechanism is fixedly connected with the top of the workbench, and a cutting mechanism is fixedly connected inside the connecting plate; the cutting mechanism includes a lifting component and a replacement component, the replacement component is arranged on the lifting component, the lifting component includes a second T-slot, the second T-slot is arranged on the left and right sides of the connecting plate, a T-block is slidably connected inside the second T-slot, a connecting seat is fixedly connected to the T-block away from the connecting plate, a mounting plate is fixedly connected between the front and rear connecting seats, and a fixed plate is fixedly connected to the top of the connecting plate. By setting the lifting component, when the lifting component is in operation, the blade can be driven to move up and down under the operation of the electric push rod when cutting ceramic clay, so as to facilitate the cutting operation of ceramic clay.

Description

Technical Field

[0001] The invention relates to the technical field of clay cutting, in particular to a clay cutting device used for ceramic production. Background Art

[0002] Ceramics is a general term for pottery and porcelain, and is also a kind of arts and crafts in my country. As early as the Neolithic Age, my country already had rough and simple painted pottery and black pottery. When ceramics are processed, they are usually made of clay, which is usually in long strips during processing and then cut. After cutting, they are processed into ceramics.

[0003] For example, patent number CN218576657U is a cutting device for bevel cutting of ceramic tiles, which includes a cutting table with a processing table surface formed on the cutting table, a driving device installed inside the cutting table, a cutting wheel fixed at the output end of the driving device, and the cutting wheel located on the processing table surface, a transverse moving mechanism is installed laterally on the front of the cutting table, a longitudinal moving mechanism is installed on the transverse moving mechanism, the longitudinal moving mechanism includes a moving block, side plates are symmetrically arranged on the moving block, a clamping mechanism for clamping ceramic tiles is rotatably connected between the side plates, and an angle adjustment mechanism for adjusting the angle of the clamping mechanism is installed on one side of the side plate.

[0004] In view of the above description, the applicant believes that there are the following problems:

[0005] During use of the utility model, the technical solution only focuses on the cutting angle of the ceramic clay when cutting the ceramic clay. However, when performing the ceramic clay cutting operation, since it is necessary to obtain ceramic clay of different shapes, the blade needs to be installed or disassembled. At the same time, when it is necessary to cut ceramic clay of different lengths, the ceramic clay needs to be moved. Summary of the invention

[0006] The object of the present invention is to provide a clay cutting device for ceramic production to solve the problems raised in the above background technology.

[0007] In order to solve the above technical problems, the present invention provides the following technical solutions: a clay cutting device for ceramic production, comprising a workbench and a placement plate, the front and rear sides of the workbench are fixedly connected to connecting plates, the placement plate is arranged on the top of the workbench, the left and right sides of the placement plate are fixedly connected to blocking mechanisms, the top of the workbench is fixedly connected to a moving mechanism, and the inside of the connecting plate is fixedly connected to a cutting mechanism;

[0008] The cutting mechanism comprises a lifting assembly and a replacement assembly, wherein the replacement assembly is arranged on the lifting assembly;

[0009] The lifting assembly includes a second T-slot, which is opened on the left and right sides of the connecting plate, a T-block is slidably connected inside the second T-slot, a connecting seat is fixedly connected to the T-block away from the connecting plate, a mounting plate is fixedly connected between the front and rear connecting seats, a fixing plate is fixedly connected to the top of the connecting plate, and an electric push rod is fixedly connected between the fixing plate and the mounting plate.

[0010] According to the above technical solution, the replacement component includes a long slot, which is opened inside the mounting plate, a plug-in plate is plugged into the long slot, a mounting seat is fixedly connected to the bottom of the plug-in plate, a blade is fixedly connected to the bottom of the mounting seat, a second slide slot is opened at the top of the mounting plate, second slide plates are slidably connected to the front and rear sides of the second slide slot, a connecting block is fixedly connected to one side of the second slide plate close to the plug-in plate, and a plug-in block is fixedly connected to the other side of the connecting block, a limiting slot is opened inside the plug-in plate, and openings are set on the front and rear sides of the limiting slot, the surface of the plug-in block and the inside of the limiting slot are plugged in, a spring is fixedly connected between the front and rear second slide plates, a fixing seat is fixedly connected to the top of the second slide plate, a telescopic plate is fixedly connected to the bottom of the other side of the fixing seat, and an even slot is opened at the top of the mounting plate.

[0011] According to the above technical solution, the number of the long grooves is four and they are grouped in pairs, the number of the second slide grooves is two, and the two long grooves are arranged on the front and rear sides of the second slide groove. When the two second slide plates can slide in the second slide groove, the plug block can be inserted into the limit groove.

[0012] According to the above technical solution, the number of the slots is four and they are grouped in pairs. The slots are arranged on one side of the second slide groove, and the top of the slots is arranged as an opening. The inside of the slots and the surface of the telescopic plate are plugged in. When the telescopic plate is stretched and plugged in the slots, the position of the second slide plate can be limited.

[0013] According to the above technical solution, the moving mechanism includes a tooth row, which is fixedly connected to the front and rear sides of the top of the connecting plate; a first slide groove is opened on the top of the connecting plate, a first slide groove is slidably connected inside the first slide groove, a motor is fixedly connected to the back of the first slide plate, a rotating shaft is fixedly connected to the back of the motor, the rotating shaft surface is rotatably connected to the inside of the placement plate, the rotating shaft surface is rotatably connected to the inside of the first slide plate, gears are fixedly connected to the front and rear surfaces of the rotating shaft, the gear surface is meshingly connected to the top of the tooth row, a rectangular groove is opened on the top of the connecting plate, a first T-shaped groove is opened on the front and rear sides of the inner wall of the rectangular groove, and T-shaped plates are fixedly connected to the front and rear sides of the placement plate.

[0014] According to the above technical solution, the left and right sides and the top of the rectangular groove are all set to be openings, and the rectangular groove is set between two tooth rows.

[0015] According to the above technical solution, there are two first T-slots and two T-plates, and the surfaces of the two T-plates are slidably connected with the insides of the two first T-slots. When the T-plate slides inside the first T-slot, the gear can move more stably at the top of the gear row.

[0016] According to the above technical solution, the blocking mechanism includes a long plate, which is fixedly connected to the left and right sides of the placement plate. The number of the long plates is four and they are grouped in pairs. The upper and lower ends of the front and rear long plates that are far away from each other are fixedly connected to limit blocks. A long rod is fixedly connected between the two limit blocks. A mounting block is slidably connected to the surface of the long rod. A baffle is fixedly connected to the side of the mounting block away from the placement plate. A hinged block is hinged on one side of the mounting block. A clamping block is fixedly connected to the side of the hinged block close to the long plate, and clamping grooves are densely arranged inside the long plate.

[0017] According to the above technical solution, the side of the card slot close to the card block is set as an opening, the inside of the card slot and the surface of the card block are engaged, and when the card block is engaged in the inside of the card slot, the mounting block can be fixed in position.

[0018] Compared with the prior art, the beneficial effects achieved by the present invention are:

[0019] The present invention provides a lifting component. When the lifting component is in operation, the blade can be driven to move up and down under the operation of the electric push rod when cutting ceramic clay, so that the cutting operation of the ceramic clay is convenient.

[0020] The present invention provides a replacement component. When the replacement component is in operation, after the plug plate is inserted into the long slot, the plug block is driven to be inserted into the limit slot under the rebound force of the spring. At this time, the blade can be installed at the bottom of the mounting plate. At this time, the blade can be easily installed and disassembled after the ceramic clay is cut into its final shape.

[0021] The present invention provides a moving mechanism. When the moving mechanism is in operation, the gears and the gear rows are meshed and connected. The movement of the gears drives the rotating shaft to move, and the rotating shaft can drive the placement plate to move, so that the ceramic clay placed on the placement plate can be conveniently cut into different sizes.

[0022] The present invention provides a blocking mechanism. When the blocking mechanism is in operation, the mounting block slides on the surface of the long rod, so that the mounting block drives the baffles to be arranged on both sides of the placement plate, which is convenient for limiting the position of the ceramic clay on the placement plate. When the hinge block is moved, the hinge block drives the clamping block to be clamped in the clamping groove, so that the baffle can be limited and fixed in position. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0024] Figure 1 It is a schematic diagram of the overall front structure of the present invention;

[0025] Figure 2 It is a schematic diagram of the structure of the lifting assembly of the present invention;

[0026] Figure 3 It is a schematic diagram of the structure of the replacement assembly of the present invention;

[0027] Figure 4 It is a schematic diagram of the structure of the replacement component part of the present invention;

[0028] Figure 5 It is a schematic diagram of the structure of the mobile mechanism of the present invention;

[0029] Figure 6 It is a schematic diagram of the structure of the blocking mechanism of the present invention;

[0030] Figure 7 The present invention Figure 6 Enlarged structural diagram at A in the middle.

[0031] In the figure: 1, workbench; 2, connecting plate; 3, moving mechanism; 31, gear; 32, rotating shaft; 33, first slide plate; 34, first T-slot; 35, rectangular slot; 36, tooth row; 37, first slide slot; 38, motor; 39, T-plate; 4, cutting mechanism; 41, lifting assembly; 411, second T-slot; 412, T-block; 413, fixing plate; 414, mounting plate; 415, electric push rod; 416, connecting seat; 42, replacement assembly; 421, long slot; 422, spring; 423, second slide; 424, fixed seat; 425, plug plate; 426, plug block; 427, mounting seat; 428, blade; 4201, limit slot; 4202, slot; 4203, second slide; 4204, telescopic plate; 4205, connecting block; 5, placement plate; 6, blocking mechanism; 61, long rod; 62, mounting block; 63, baffle; 64, limit block; 65, long plate; 66, slot; 67, block; 68, hinge block. DETAILED DESCRIPTION

[0032] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the present invention.

[0033] The present invention provides the following technical solutions:

[0034] Embodiment 1

[0035] Combination Figures 1 to 4 A clay cutting device for ceramic production includes a workbench 1 and a placement plate 5. The workbench 1 is fixedly connected to connecting plates 2 on both the front and rear sides. The placement plate 5 is arranged on the top of the workbench 1. The placement plate 5 is fixedly connected to blocking mechanisms 6 on both the left and right sides. A moving mechanism 3 is fixedly connected to the top of the workbench 1, and a cutting mechanism 4 is fixedly connected inside the connecting plate 2.

[0036] The cutting mechanism 4 includes a lifting assembly 41 and a replacement assembly 42. The replacement assembly 42 is arranged on the lifting assembly 41. The lifting assembly 41 includes a second T-slot 411. The second T-slot 411 is opened on the left and right sides of the connecting plate 2. A T-block 412 is slidably connected inside the second T-slot 411. A connecting seat 416 is fixedly connected to the side of the T-block 412 away from the connecting plate 2. A mounting plate 414 is fixedly connected between the front and rear connecting seats 416. A fixing plate 414 is fixedly connected to the top of the connecting plate 2. The plate 413 is provided with an electric push rod 415 fixedly connected between the fixing plate 413 and the mounting plate 414. The replacement component 42 includes a long slot 421, which is provided inside the mounting plate 414. A plug-in plate 425 is inserted inside the long slot 421. A mounting seat 427 is fixedly connected to the bottom of the plug-in plate 425. A blade 428 is fixedly connected to the bottom of the mounting seat 427. A second slide slot 4203 is provided at the top of the mounting plate 414. A second slide plate 4203 is slidably connected to the front and rear sides of the second slide slot 4203. 23, the second slide plate 423 is fixedly connected to a connecting block 4205 on one side close to the plug plate 425, and an insert block 426 is fixedly connected to the other side of the connecting block 4205. A limiting groove 4201 is provided inside the plug plate 425, and both the front and rear sides of the limiting groove 4201 are set as openings. The surface of the insert block 426 is plugged into the inside of the limiting groove 4201. A spring 422 is fixedly connected between the front and rear second slide plates 423. A fixing seat 424 is fixedly connected to the top of the second slide plate 423. The fixing seat 424 has another side. A telescopic plate 4204 is fixedly connected to the side bottom, an even slot 4202 is opened on the top of the mounting plate 414, four long slots 421 are in a group of two, two second slide slots 4203 are in a group, two long slots 421 are arranged on the front and rear sides of the second slide slot 4203, four slots 4202 are in a group of two, the slot 4202 is arranged on one side of the second slide slot 4203, the top of the slot 4202 is arranged as an opening, and the inside of the slot 4202 is plugged into the surface of the telescopic plate 4204.

[0037] Furthermore, by providing a lifting component 41, when the lifting component 41 is in operation, the blade 428 can be driven to move up and down under the operation of the electric push rod 415 when the ceramic clay is cut, so as to facilitate the cutting operation of the ceramic clay. By providing a replacement component 42, when the replacement component 42 is in operation, after the plug plate 425 is inserted into the long groove 421, the plug block 426 is driven to be inserted into the limiting groove 4201 under the rebound force of the spring 422, and the blade 428 can be installed at the bottom of the mounting plate 414. At this time, it is convenient to install and disassemble the blade 428 after the ceramic clay is cut. When the two second slide plates 423 can slide in the second slide groove 4203, the plug block 426 can be inserted into the limiting groove 4201. When the telescopic plate 4204 is stretched and inserted into the slot 4202, the second slide plate 423 can be limited in position.

[0038] Embodiment 2

[0039] See also Figure 1-5 , and on the basis of the first embodiment, the moving mechanism 3 further comprises a tooth row 36, the tooth row 36 is fixedly connected to the front and rear sides of the top of the connecting plate 2, a first slide groove 37 is provided at the top of the connecting plate 2, a first slide groove 37 is slidably connected inside the first slide groove 37, a motor 38 is fixedly connected to the back of the first slide plate 33, a rotating shaft 32 is fixedly connected to the back of the motor 38, the surface of the rotating shaft 32 is rotatably connected to the inside of the placement plate 5, the surface of the rotating shaft 32 is rotatably connected to the inside of the first slide plate 33, the front and rear surfaces of the rotating shaft 32 are fixedly connected to gears 31, the surface of the gear 31 is meshedly connected to the top of the tooth row 36, a rectangular groove 35 is provided at the top of the connecting plate 2, a first T-slot 34 is provided on the front and rear sides of the inner wall of the rectangular groove 35, a T-plate 39 is fixedly connected to the front and rear sides of the placement plate 5, the left and right sides and the top of the rectangular groove 35 are set to be openings, the rectangular groove 35 is set between the two tooth rows 36, the number of the first T-slot 34 and the T-plate 39 is two, and the surfaces of the two T-plates 39 are slidably connected to the inside of the two first T-slots 34.

[0040] Furthermore, by setting up the moving mechanism 3, when the moving mechanism 3 is running, the gear 31 and the tooth row 36 are meshed and connected, the gear 31 moves to drive the rotating shaft 32 to move, and the rotating shaft 32 can drive the placement plate 5 to move, so that the ceramic clay placed on the placement plate 5 can be conveniently cut into different sizes. When the T-plate 39 slides inside the first T-slot 34, the gear 31 can move more stably on the top of the tooth row 36.

[0041] Embodiment 3

[0042] See also Figure 1-7On the basis of the first embodiment, the blocking mechanism 6 further comprises a long plate 65, which is fixedly connected to the left and right sides of the placement plate 5. There are four long plates 65 and they form a group of two. The upper and lower ends of the front and rear long plates 65 that are away from each other are fixedly connected to limit blocks 64. A long rod 61 is fixedly connected between the two limit blocks 64. A mounting block 62 is slidably connected to the surface of the long rod 61. A baffle 63 is fixedly connected to the side of the mounting block 62 away from the placement plate 5. A hinge block 68 is hingedly connected to one side of the mounting block 62. A clamping block 67 is fixedly connected to the side of the hinge block 68 close to the long plate 65. Clamping grooves 66 are densely arranged inside the long plate 65. The side of the clamping groove 66 close to the clamping block 67 is set as an opening, and the inside of the clamping groove 66 is clamped with the surface of the clamping block 67.

[0043] Furthermore, by setting a blocking mechanism 6, when the blocking mechanism 6 is in operation, the mounting block 62 slides on the surface of the long rod 61, so that the mounting block 62 drives the baffle 63 to be set on both sides of the placement plate 5, which is convenient for limiting the position of the ceramic clay on the placement plate 5. When the hinge block 68 is moved, the hinge block 68 drives the clamping block 67 to be clamped in the clamping groove 66, and the baffle 63 can be fixed in position. When the clamping block 67 is clamped in the clamping groove 66, the mounting block 62 can be fixed in position.

[0044] In actual operation, when this device is used, when cutting ceramic clay, the ceramic clay can be placed on the placement plate 5, and the mounting block 62 can be moved so that the mounting block 62 drives the surface of the long rod 61 to slide. At this time, the mounting block 62 can drive the baffles 63 set on both sides of the placement plate 5, so as to facilitate the placement of the ceramic clay on the placement plate 5 for position limiting. When the baffle 63 is positioned, the hinge block 68 is moved so that the hinge block 68 and the mounting block 62 are folded in half. At this time, the hinge block 68 can drive the clamping block 67 to be clamped in the clamping slot 66.

[0045] When cutting ceramic clay, the motor 38 and the electric push rod 415 switches can be started at the same time. When the motor 38 is started, the motor 38 can drive the rotating shaft 32 to rotate in the first slide plate 33, and the rotating shaft 32 can drive the two gears 31 to rotate. Since the gears 31 and the tooth row 36 are meshed and connected, the two gears 31 can move to the same side. When the gear 31 moves, it can drive the placement plate 5 to move. When the placement plate 5 moves, it can drive the T-shaped plate 39 to slide in the first T-shaped groove 34. At this time, the ceramic clay placed on the placement plate 5 can be moved, which is convenient for cutting different positions of the ceramic clay. When the electric push rod 415 is started, the electric push rod 415 can drive the mounting plate 414, the mounting plate 414 drives the connecting seat 416, and the connecting seat 416 drives the T-shaped block 412 to slide in the second T-shaped groove 411, so that the blade 428 can cut the ceramic clay;

[0046] When it is necessary to cut ceramic clay of different shapes, the blade 428 needs to be replaced. At this time, the telescopic plate 4204 can be retracted to move the telescopic plate 4204 out of the slot 4202, and the two second slide plates 423 are moved to slide in the second slide groove 4203. At this time, the spring 422 can be driven to be squeezed. At this time, the second slide plate 423 drives the connecting block 4205 when it moves, and the connecting block 4205 can drive the insert block 426 to move out of the limiting groove 4201. At this time, the blade 428 can be conveniently driven to drive the mounting seat 427, and the mounting seat 427 drives the insert plate 425 to be taken out of the long slot 421.

[0047] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0048] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A clay cutting device for ceramic production, comprising a workbench (1) and a placement plate (5), characterized in that: The workbench (1) is fixedly connected to connecting plates (2) on both the front and rear sides, the placement plate (5) is arranged on the top of the workbench (1), the placement plate (5) is fixedly connected to blocking mechanisms (6) on both the left and right sides, the top of the workbench (1) is fixedly connected to a moving mechanism (3), and the interior of the connecting plate (2) is fixedly connected to a cutting mechanism (4); The cutting mechanism (4) comprises a lifting component (41) and a replacement component (42), wherein the replacement component (42) is arranged on the lifting component (41); The lifting assembly (41) comprises a second T-shaped slot (411), the second T-shaped slot (411) being provided on the left and right sides of the connecting plate (2), a T-shaped block (412) being slidably connected inside the second T-shaped slot (411), a connecting seat (416) being fixedly connected to the side of the T-shaped block (412) away from the connecting plate (2), a mounting plate (414) being fixedly connected between the front and rear connecting seats (416), a fixing plate (413) being fixedly connected to the top of the connecting plate (2), and an electric push rod (415) being fixedly connected between the fixing plate (413) and the mounting plate (414); The replacement component (42) comprises a long groove (421), the long groove (421) being arranged inside the mounting plate (414), a plug plate (425) being inserted inside the long groove (421), a mounting seat (427) being fixedly connected to the bottom of the plug plate (425), a blade (428) being fixedly connected to the bottom of the mounting seat (427), a second slide groove (4203) being arranged at the top of the mounting plate (414), a second slide plate (423) being slidably connected to the front and rear sides of the second slide groove (4203), and a connecting block (4205) being fixedly connected to the side of the second slide plate (423) close to the plug plate (425). , an insert block (426) is fixedly connected to the other side of the connection block (4205), a limiting slot (4201) is provided inside the insert plate (425), the limiting slot (4201) is opened at both the front and rear sides, the surface of the insert block (426) is plugged into the limiting slot (4201), a spring (422) is fixedly connected between the front and rear second slide plates (423), a fixing seat (424) is fixedly connected to the top of the second slide plate (423), a telescopic plate (4204) is fixedly connected to the bottom of the other side of the fixing seat (424), and an even slot (4202) is provided at the top of the mounting plate (414); The moving mechanism (3) comprises a tooth row (36), wherein the tooth row (36) is fixedly connected to the front and rear sides of the top of the connecting plate (2), the top of the connecting plate (2) is provided with a first slide groove (37), the first slide groove (37) is slidably connected to the inside of a first slide plate (33), the back of the first slide plate (33) is fixedly connected to a motor (38), the back of the motor (38) is fixedly connected to a rotating shaft (32), the surface of the rotating shaft (32) is rotatably connected to the inside of the placement plate (5), the surface of the rotating shaft (32) is rotatably connected to the inside of the first slide plate (33), the front and rear surfaces of the rotating shaft (32) are fixedly connected to a gear (31), the surface of the gear (31) is meshingly connected to the top of the tooth row (36), the top of the connecting plate (2) is provided with a rectangular groove (35), the front and rear inner walls of the rectangular groove (35) are provided with first T-shaped grooves (34), and the front and rear sides of the placement plate (5) are fixedly connected to T-shaped plates (39); The blocking mechanism (6) comprises a long plate (65), wherein the long plate (65) is fixedly connected to the left and right sides of the placement plate (5), the number of the long plates (65) is four and they form a group of two, the upper and lower ends of the two long plates (65) on the side away from each other are fixedly connected to limit blocks (64), a long rod (61) is fixedly connected between the two limit blocks (64), a mounting block (62) is slidably connected to the surface of the long rod (61), a baffle (63) is fixedly connected to the side of the mounting block (62) away from the placement plate (5), a hinge block (68) is hingedly connected to one side of the mounting block (62), a clamping block (67) is fixedly connected to the side of the hinge block (68) close to the long plate (65), and clamping grooves (66) are densely arranged inside the long plate (65); The number of the slots (4202) is four and they form a group of two. The slots (4202) are arranged on one side of the second slide groove (4203). The top of the slots (4202) is arranged to be open. The inside of the slots (4202) is plugged into the surface of the telescopic plate (4204). The left and right sides and the top of the rectangular groove (35) are both arranged to be open, and the rectangular groove (35) is arranged between two tooth rows (36).

2. The clay cutting device for ceramic production according to claim 1, characterized in that: The number of the first T-shaped slots (34) and the T-shaped plates (39) is two, and the surfaces of the two T-shaped plates (39) and the interiors of the two first T-shaped slots (34) are slidably connected.

3. The clay cutting device for ceramic production according to claim 2, characterized in that: The side of the card slot (66) close to the card block (67) is arranged to be open, and the interior of the card slot (66) is card-engaged with the surface of the card block (67).

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