阅读说明：本技术 大平台玻璃激光切裂一体化装置 (Large platform glass laser cutting integrated device ) 是由 叶宗辉 周建红 于 2021-08-11 设计创作，主要内容包括：本发明公开了大平台玻璃激光切裂一体化装置,包括激光切裂装置安装板,所述激光切裂装置安装板的正面沿竖直方向上设置有直线移动模块,所述直线移动模块的上端为驱动端且连接有驱动电机,所述直线移动模块的移动端上设置有裂片头安装板,所述裂片头安装板的正面左右两侧分别设置有激光切割头组件和激光裂片头组件,所述激光切裂装置安装板的正面且位于激光切割头组件的上方设置有激光切割光腔组件,所述激光切裂装置安装板的正面且位于激光裂片头组件的上方设置有激光裂片光腔组件,所述激光切裂装置安装板的正面且位于激光切割头组件的左侧设置有相机组件。本发明将两道工序加工装置集中,简化了加工结构,增加了加工效率。(The invention discloses a large-platform glass laser cutting integrated device, which comprises a laser cutting device mounting plate, the front surface of the laser cutting device mounting plate is provided with a linear moving module along the vertical direction, the upper end of the linear moving module is a driving end and is connected with a driving motor, the moving end of the linear moving module is provided with a splitting head mounting plate, the left side and the right side of the front of the splitting head mounting plate are respectively provided with a laser cutting head assembly and a laser splitting head assembly, a laser cutting optical cavity component is arranged on the front surface of the laser cutting device mounting plate and above the laser cutting head component, a laser splitting optical cavity component is arranged on the front surface of the laser splitting device mounting plate and above the laser splitting head component, the front of the laser cutting device mounting plate and the left side of the laser cutting head assembly are provided with a camera assembly. The invention integrates two working procedure processing devices, simplifies the processing structure and increases the processing efficiency.)

1. Big platform glass laser cuts integrated device that splits, including laser cutting device mounting panel (1), its characterized in that: the front surface of the laser cutting device mounting plate (1) is provided with a linear moving module (2) along the vertical direction, the upper end of the linear moving module (2) is a driving end and is connected with a driving motor (3), a splitting head mounting plate (4) is arranged on the moving end of the linear moving module (2), the left side and the right side of the front surface of the splitting head mounting plate (4) are respectively provided with a laser cutting head component (5) and a laser splitting head component (6), a laser cutting optical cavity component (7) is arranged on the front surface of the laser cutting device mounting plate (1) and above the laser cutting head component (5), a laser splitting optical cavity component (8) is arranged on the front surface of the laser splitting device mounting plate (1) and above the laser splitting head component (6), the front of the laser cutting device mounting plate (1) and the left side of the laser cutting head assembly (5) are provided with a camera assembly (9).

2. The large platform glass laser cleaving integrated device of claim 1, wherein: the laser cutting head assembly (5) comprises a cutting head mounting plate (51) mounted on the front surface of the splitting head mounting plate (4), a cutting head (52) is mounted on the cutting head mounting plate (51) in the vertical direction, and a protective cylinder (53) is arranged at the upper end of the cutting head (52).

3. The large platform glass laser cleaving integrated device of claim 1, wherein: laser lobe head subassembly (6) is including installing in the positive lobe head fixed block (61) of lobe head mounting panel (4), lobe head fixed block (61), the rectangle through-hole that the rectangle link up around the leading flank of lobe head fixed block (61) is opened and is had, the lower extreme protrusion of lobe head fixed block (61) has cylindric structure, open the circular through-hole that runs through lobe head fixed block (61) and go up the lateral wall in the centre of cylindric structure, the inside of rectangle through-hole is provided with drawer piece (62), drawer piece (62) are opened for T style of calligraphy structure and upper surface has the step form through-hole, the step form through-hole includes three shoulder hole that the aperture increases in proper order from the bottom up, below focus mirror (63) have been placed to the inside of shoulder hole, and centre focus mirror gasket (64) have been placed to the inside threaded connection of shoulder hole has focus mirror clamping ring (65), the utility model discloses a focusing lens clamping ring, including focus lens clamping ring (65), the lateral surface of focus lens clamping ring (65) is opened there is first external screw thread, top open on the shoulder hole have with first external screw thread assorted first internal thread, the inside lower extreme threaded connection of cylindric structure has split head (66), split head (66) are for drawing die structure and the middle drawing die through-hole that opens there is the back taper, open the medial surface below of cylindric structure has the second internal thread, split head (66) go up open have with second internal thread assorted second external screw thread, the outer upper surface of split head fixed block (61) is provided with flexible coupling (67), flexible coupling (67) are flange-like structure, flexible coupling (67) all are located same vertical line with the center of circular through-hole and three shoulder hole.

4. The large platform glass laser cleaving integrated device of claim 1, wherein: the laser cutting optical cavity component (7) comprises a cutting optical cavity mounting plate (71) arranged on the front surface of the laser cutting device mounting plate (1), the front surface of the cutting optical cavity mounting plate (71) is provided with a first sealing plate frame (72) consisting of five sealing plates which are arranged up, down, left, right and front, a first mirror bracket mounting seat (73) and a first slide adapter plate (74) are respectively arranged at the upper side and the lower side of the front surface of the cutting optical cavity mounting plate (71) and positioned in the first sealing plate frame (72), a first two-dimensional mirror bracket dimming component (75) is arranged on the first mirror bracket mounting seat (73), a first slide (76) is arranged on the first slide adapter plate (74), a first protective cylinder component (77) is arranged on the outer right side wall of the first sealing plate frame (72), and a first original seat (78) is arranged on the outer lower side wall of the first sealing plate frame (72).

5. The large platform glass laser cleaving integrated device of claim 1, wherein: the laser splitting optical cavity component (8) comprises a splitting optical cavity optical path support (81) arranged on the front surface of the laser splitting device mounting plate (1), the front surface of the split optical cavity light path support (81) is provided with an optical cavity back plate (82), a second sealing plate frame (83) consisting of five sealing plates, namely an upper sealing plate, a lower sealing plate, a left sealing plate, a right sealing plate and a right sealing plate, is arranged on the optical cavity back plate (82), a second mirror bracket mounting seat (84) and a second glass transition plate (85) are respectively arranged at the upper side and the lower side of the front surface of the optical cavity back plate (82) and positioned in the second sealing plate frame (83), a second two-dimensional mirror bracket dimming component (86) is arranged on the second mirror bracket mounting seat (84), a second slide (87) is arranged on the second slide transfer plate (85), a second protective cylinder assembly (88) is arranged on the outer right side wall of the second sealing plate frame (83), and a second original seat (89) is arranged on the outer lower side wall of the second sealing plate frame (83).

6. The large platform glass laser cleaving integrated device of claim 1, wherein: camera subassembly (9) are including installing in the positive camera subassembly backup pad (91) of laser cutting device mounting panel (1), the lower terminal surface of camera subassembly backup pad (91) is provided with camera subassembly mounting panel (92), the upper surface of camera subassembly mounting panel (92) is provided with camera support frame (93), be provided with camera (94) on camera support frame (93), the shooting end of camera (94) sets up downwards and is connected with camera coaxial optical lens (95), the lower surface edge of camera subassembly mounting panel (92) is provided with light source subassembly (96), be provided with the bar strengthening rib between camera subassembly backup pad (91) and camera subassembly mounting panel (92).

7. The large platform glass laser cleaving integrated device of claim 1, wherein: laser cutting optical cavity subassembly (7) and laser lobe of a leaf optical cavity subassembly (8) are located the left and right sides of driving motor (3) respectively, laser cutting optical cavity subassembly (7) are located the upper left corner of laser cutting device mounting panel (1), laser lobe of a leaf optical cavity subassembly (8) are located the upper right corner of laser cutting device mounting panel (1), laser cutting optical cavity subassembly (7) are located the top of laser lobe of a leaf optical cavity subassembly (8).

Technical Field

The invention relates to the technical field of glass processing production, in particular to a large-platform glass laser cutting and cracking integrated device.

Background

The traditional grinding process is low in production efficiency, dust chips can be generated in the machining process, a cooling cleaning solution needs to be added, and the grinding head belongs to a consumable product, so that pollution can be generated, and the cost performance is low. Because the laser cutting dust debris is less, the surface is smooth and the subsequent treatment process is less, the laser cutting industrial application is brought forward in the field of hard materials such as glass.

The laser cutting industry application starts in the last 70 th century, is used in the fields of non-penetrating grooves, embedded blades and the like of hardwood board cutting in the early period, and is widely applied to the field of various metal and non-metal cutting along with the development of industrial technology. The glass belongs to a brittle material with high hardness and high melting point, the general processing method cannot meet the process requirements, and the surface quality of the glass can be greatly improved by cutting the glass by adopting a laser precision cutting technology.

However, the traditional glass laser cutting device has low processing efficiency and poor light path tightness, and dust easily pollutes the lens, and the lens is inconvenient to replace.

Disclosure of Invention

The invention aims to provide a large-platform glass laser cutting and splitting integrated device to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme: big platform glass laser cuts integrated device that splits, including laser cutting device mounting panel, laser cutting device mounting panel's front is provided with rectilinear movement module along vertical direction, rectilinear movement module's upper end just is connected with driving motor for the drive end, the removal of rectilinear movement module is served and is provided with splitting head mounting panel, the positive left and right sides of splitting head mounting panel is provided with laser cutting head subassembly and laser splitting head subassembly respectively, the front of laser cutting device mounting panel and the top that is located laser cutting head subassembly are provided with laser cutting optical cavity subassembly, the front of laser cutting device mounting panel and the top that is located laser splitting head subassembly are provided with laser splitting optical cavity subassembly, the front of laser cutting device mounting panel and the left side that is located laser cutting head subassembly are provided with the camera subassembly.

Preferably, the laser cutting head assembly comprises a cutting head mounting plate mounted on the front face of the splitting head mounting plate, a cutting head is mounted on the cutting head mounting plate along the vertical direction, and a protective cylinder is arranged at the upper end of the cutting head.

Preferably, the laser splitting head assembly comprises a splitting head fixing block arranged on the front side of the splitting head mounting plate, the splitting head fixing block is arranged on the front side of the splitting head fixing block, a rectangular through hole is formed in the front side of the splitting head fixing block, a front rectangle and a rear rectangle are communicated, a cylindrical structure is protruded at the lower end of the splitting head fixing block, a circular through hole penetrating through the upper side wall of the splitting head fixing block is formed in the middle of the cylindrical structure, a drawer block is arranged inside the rectangular through hole and is of a T-shaped structure, the upper surface of the drawer block is provided with a step-shaped through hole, the step-shaped through hole comprises three stepped holes with sequentially increased apertures from bottom to top, a focusing mirror is placed inside the stepped holes, a focusing mirror gasket is placed inside the stepped holes, the upper side of the stepped holes is connected with a focusing mirror pressing ring through threads, and a first external thread is formed on the outer side surface of the focusing mirror pressing ring, top open on the shoulder hole have with first external screw thread assorted first internal thread, cylindric structure's inside lower extreme threaded connection has the lobe of a leaf head, the lobe of a leaf head is the draft die through-hole that has the back taper of drawing die structure and middle division, open the medial surface below of cylindric structure has the second internal thread, the overhead division of lobe of a leaf has with second internal thread assorted second external thread, the outer upper surface of the first fixed block of lobe of a leaf is provided with telescopic pipe joint, telescopic pipe joint is flange-like structure, telescopic pipe joint all is located same vertical line with the center of circular through-hole and three shoulder hole.

Preferably, laser cutting optical cavity subassembly is including installing in the positive cutting optical cavity mounting panel of laser cutting device mounting panel, the front of cutting optical cavity mounting panel is provided with the first shrouding frame of forming by five shroudings about from top to bottom, the inside that both sides just are located first shrouding frame about the front of cutting optical cavity mounting panel is provided with first mirror holder mount pad and first slide keysets respectively, install first two-dimensional mirror holder subassembly of adjusting luminance on the first mirror holder mount pad, install first slide on the first slide keysets, the outer right side wall mounting of first shrouding frame has first protection section of thick bamboo subassembly, install first original seat on the outer lower lateral wall of first shrouding frame.

Preferably, laser lobe of a leaf optical cavity subassembly is including installing in the positive lobe of a leaf optical cavity light path support of laser cutting device mounting panel, the front of lobe of a leaf optical cavity light path support is provided with the optical cavity backplate, be provided with the second shrouding frame of constituteing by the five shrouding of upper and lower left and right front on the optical cavity backplate, both sides and the inside that is located second shrouding frame about the front of optical cavity backplate are provided with second mirror holder mount pad and second slide keysets respectively, install second two-dimensional mirror holder subassembly of adjusting luminance on the second mirror holder mount pad, install the second slide on the second slide keysets, the outer right side wall mounting of second shrouding frame has the second protection section of thick bamboo subassembly, install the former seat of second on the outer lower lateral wall of second shrouding frame.

Preferably, the camera subassembly is including installing in the positive camera subassembly backup pad of laser cutting device mounting panel, the lower terminal surface of camera subassembly backup pad is provided with the camera subassembly mounting panel, the upper surface of camera subassembly mounting panel is provided with the camera support frame, be provided with the camera on the camera support frame, the shooting end of camera sets up downwards and is connected with camera coaxial optical lens, the lower surface edge of camera subassembly mounting panel is provided with the light source subassembly, be provided with the bar strengthening rib between camera subassembly backup pad and the camera subassembly mounting panel.

Preferably, laser cutting optical cavity subassembly and laser lobe of a leaf optical cavity subassembly are located driving motor's the left and right sides respectively, laser cutting optical cavity subassembly is located the upper left corner of laser cutting device mounting panel, laser lobe of a leaf optical cavity subassembly is located the upper right corner of laser cutting device mounting panel, laser cutting optical cavity subassembly is located the top of laser lobe of a leaf optical cavity subassembly.

Compared with the prior art, the invention has the beneficial effects that:

1. the invention adopts visual positioning to replace the traditional mechanical positioning, thereby increasing the positioning precision of the device;

2. the invention integrates two working procedure processing devices, simplifies the processing structure, increases the processing efficiency, and improves the processing precision and the processing quality compared with the traditional mechanical processing by adopting laser processing;

3. the invention adopts the flight light path for processing, thereby not only simplifying the layout of the device structure, but also being convenient for adjustment and installation;

4. the protective cylinder and the telescopic pipe joint can be respectively sleeved into the first original seat and the second original seat when the device stops working, so that the closure of a light path is kept, dust can be prevented from entering the light path to pollute the light path all the time, and the influence of lens abrasion on the processing effect is avoided;

5. the laser lobe of a leaf head subassembly adopts drawer type structure to place the focus lens, can conveniently dismantle the change lens, alleviates maintenance work intensity, shortens maintenance time.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic side view of a laser breaking head assembly;

FIG. 4 is a side cross-sectional structural schematic view of a laser breaking head assembly;

FIG. 5 is a schematic diagram of a front view of a laser cut optical cavity assembly;

FIG. 6 is a schematic structural diagram of a laser cleaved optical cavity assembly in a front view;

FIG. 7 is a schematic top view of a laser cleaved optical cavity assembly.

In the figure: 1. mounting a plate; 2. a linear movement module; 3. a drive motor; 4. a splinter head mounting plate; 5. a laser cutting head assembly; 51. a cutting head mounting plate; 52. a cutting head; 53. a protective cylinder; 6. laser splitting head assembly; 61. a splinter head fixing block; 62. a drawer block; 63. a focusing mirror; 64. a focusing mirror pad; 65. a focusing mirror pressing ring; 66. a splitting head; 67. a telescopic pipe joint; 7. laser cutting the optical cavity assembly; 71. cutting the optical cavity mounting plate; 72. a first closure plate frame; 73. a first mirror bracket mount; 74. a first slide transfer plate; 75. a first two-dimensional mirror holder dimming component; 76. a first slide; 77. a first protective cartridge assembly; 78. a first original seat; 8. a laser splinter optical cavity assembly; 81. a splinter optical cavity light path support; 82. an optical cavity backplane; 83. a second closure plate frame; 84. a second mirror bracket mount; 85. a second slide transfer plate; 86. a second two-dimensional frame dimming assembly; 87. a second slide; 88. a second protective cartridge assembly; 89. a second original seat; 9. a camera assembly; 91. a camera assembly support plate; 92. a camera assembly mounting plate; 93. a camera support; 94. a camera; 95. a coaxial optical lens; 96. a light source assembly.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-7, the present invention provides a technical solution: the large-platform glass laser cutting and splitting integrated device comprises a laser cutting and splitting device mounting plate 1, wherein a linear moving module 2 is arranged on the front surface of the laser cutting and splitting device mounting plate 1 along the vertical direction, the upper end of the linear moving module 2 is a driving end and is connected with a driving motor 3, a splitting head mounting plate 4 is arranged on the moving end of the linear moving module 2, the left side and the right side of the front surface of the splitting head mounting plate 4 are respectively provided with a laser cutting head assembly 5 and a laser splitting head assembly 6, a laser cutting optical cavity component 7 is arranged on the front surface of the laser cutting device mounting plate 1 and above the laser cutting head component 5, a laser splitting optical cavity component 8 is arranged on the front surface of the laser splitting device mounting plate 1 and above the laser splitting head component 6, the front of the laser cutting device mounting plate 1 and the left side of the laser cutting head assembly 5 are provided with a camera assembly 9.

Specifically, laser cutting head subassembly 5 is including installing in the positive cutting head mounting panel 51 of splitting head mounting panel 4, install cutting head 52 along vertical direction on the cutting head mounting panel 51, the upper end of cutting head 52 is provided with a protection section of thick bamboo 53, and protection section of thick bamboo 53 can embolia first former seat 78 along with the rising of cutting head 52 position in, carries out collision avoidance to cutting head 52, embolias the leakproofness that laser cutting optical cavity subassembly 7 can be guaranteed in first former seat 78 with protection section of thick bamboo 53 when the shutdown simultaneously, prevents that the dust from causing the pollution to the equipment in it.

Specifically, laser lobe head subassembly 6 is including installing in the positive lobe head fixed block 61 of lobe head mounting panel 4, lobe head fixed block 61, the leading flank of lobe head fixed block 61 is opened the rectangle through-hole that the rectangle link up around having, the lower extreme protrusion of lobe head fixed block 61 has cylindric structure, the centre of cylindric structure is opened there is the circular through-hole that runs through lobe head fixed block 61 upper side wall, the inside of rectangle through-hole is provided with drawer block 62, drawer block 62 is T style of calligraphy structure and upper surface and is opened there is the step-like through-hole, the step-like through-hole includes three shoulder holes that the aperture increases in proper order from the bottom up, below focusing mirror 63 has been placed to the inside of shoulder hole, focus mirror gasket 64 has been placed to the centre the inside of shoulder hole, the top the inside threaded connection of shoulder hole has focus mirror clamping ring 65, the lateral surface of focus mirror clamping ring 65 is opened there is first external screw thread, the laser lens splitting head assembly 6 is characterized in that a first internal thread matched with the first external thread is formed in the stepped hole, a splitting head 66 is connected to the lower end of the inside of the cylindrical structure in a threaded mode, the splitting head 66 is of a drawing structure, an inverted-cone-shaped drawing through hole is formed in the middle of the drawing structure, a second internal thread is formed in the lower portion of the inner side face of the cylindrical structure, a second external thread matched with the second internal thread is formed in the splitting head 66, an extension pipe joint 67 is arranged on the outer upper surface of a splitting head fixing block 61, the extension pipe joint 67 is of a flange-like structure, the extension pipe joint 67, the circular through hole and the centers of the three stepped holes are located on the same vertical line, the focusing lens 63 is placed on the laser lens splitting head assembly 6 through a drawer-type structure, lenses can be conveniently detached and replaced, maintenance work intensity is reduced, and maintenance time is shortened.

Particularly, laser cutting optical cavity subassembly 7 is including installing in the positive cutting optical cavity mounting panel 71 of laser cutting device mounting panel 1, the front of cutting optical cavity mounting panel 71 is provided with the first shrouding frame 72 of forming by five shroudings of controlling from top to bottom, the inside that the front upper and lower both sides of cutting optical cavity mounting panel 71 just are located first shrouding frame 72 is provided with first mirror holder mount pad 73 and first slide keysets 74 respectively, install first two-dimensional mirror holder subassembly 75 of adjusting luminance on the first mirror holder mount pad 73, install first slide 76 on the first slide keysets 74, the outer right side wall mounting of first shrouding frame 72 has first protection section of thick bamboo subassembly 77, install first former seat 78 on the outer lower lateral wall of first shrouding frame 72.

Particularly, laser lobe optical cavity subassembly 8 is including installing in the positive lobe optical cavity light path support 81 of laser cutting device mounting panel 1, lobe optical cavity backplate 82 is provided with in the front of light cavity light path support 81, be provided with the second shrouding frame 83 of constituteing by upper and lower left and right front five shroudings on the light cavity backplate 82, both sides about the front of light cavity backplate 82 and the inside that is located second shrouding frame 83 are provided with second mirror holder mount pad 84 and second slide keysets 85 respectively, install second two-dimensional mirror holder subassembly 86 of adjusting luminance on the second mirror holder mount pad 84, install second slide 87 on the second slide keysets 85, the outer right side wall mounting of second shrouding frame 83 has second protection section of thick bamboo subassembly 88, install the former seat of second 89 on the outer lower lateral wall of second shrouding frame 83.

Particularly, camera subassembly 9 is including installing in the positive camera subassembly backup pad 91 of laser cutting device mounting panel 1, the lower terminal surface of camera subassembly backup pad 91 is provided with camera subassembly mounting panel 92, the upper surface of camera subassembly mounting panel 92 is provided with camera support frame 93, be provided with camera 94 on the camera support frame 93, camera 94's shooting end sets up downwards and is connected with camera coaxial optical lens 95, camera subassembly mounting panel 92's lower surface edge is provided with light source subassembly 96, light source subassembly 96 adopts diagonal bar light source, promotes the vision and differentiates the definition, and then promotes positioning accuracy, be provided with the bar strengthening rib between camera subassembly backup pad 91 and the camera subassembly mounting panel 92.

Particularly, laser cutting optical cavity subassembly 7 and laser lobe of a leaf optical cavity subassembly 8 are located driving motor 3's the left and right sides respectively, laser cutting optical cavity subassembly 7 is located the upper left corner of laser cutting device mounting panel 1, laser lobe of a leaf optical cavity subassembly 8 is located the upper right corner of laser cutting device mounting panel 1, laser cutting optical cavity subassembly 7 is located the top of laser lobe of a leaf optical cavity subassembly 8 for the light path of cutting laser can not be blockked by the light path of lobe of a leaf laser.

The working principle is as follows: the invention adopts visual positioning to replace the traditional mechanical positioning, concentrates the two-procedure processing device, adopts flying light path processing for laser processing, simplifies the layout of the device structure, is convenient to adjust and install, adopts a drawer type structure to place a focusing lens for the laser lobe head assembly 6, can be conveniently detached and replaced, and is provided with a protective cylinder 53 and a telescopic pipe joint 67 at the upper ends of the laser cutting head assembly 5 and the laser lobe head assembly 6 respectively, and can be respectively sleeved into the first original seat 78 and the second original seat 89 when the driving motor 3 stops working, so as to keep the closure of the light path, thereby better preventing dust from entering the light path to pollute the light path in the whole time period, and avoiding causing the abrasion of the lens to influence the processing effect.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "fixed" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; either directly or indirectly through intervening media, either internally or in any other relationship. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The standard parts used by the invention can be purchased from the market, the special-shaped parts can be customized according to the description of the specification and the attached drawings, the specific connection mode of each part adopts conventional means such as mature bolts, rivets, welding and the like in the prior art, the machines, the parts and equipment adopt conventional models in the prior art, and the circuit connection adopts the conventional connection mode in the prior art, so that the detailed description is omitted.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.