Glass processing positioning jig

Abstract

The utility model relates to the related technical field of positioning jig processing, in particular to a glass processing positioning jig which comprises a fixed bottom plate, a lifting bottom plate, a cross-shaped cavity, an object carrying platform and a clamping assembly, the fixed bottom plate is of a rectangular platform structure, handles are fixedly installed on the two sides of the fixed bottom plate, and the lifting bottom plate is connected with the cross-shaped cavity. The lifting bottom plate is arranged right above the fixed bottom plate, lifting air cylinders are fixedly mounted in mounting holes in the two sides of the lifting bottom plate, telescopic rods of the lifting air cylinders are fixedly connected with the fixed bottom plate, the lifting air cylinders are connected with primary air supply equipment through air pipes, and the cross-shaped cavity is fixed to the lifting bottom plate; according to the glass processing positioning jig, the fixing bottom plate, the lifting bottom plate, the cross-shaped cavity, the carrying platform and the clamping assembly are combined to form the glass processing positioning jig, so that the height of the lifting bottom plate is adjusted through the lifting air cylinder on the lifting bottom plate, the positioning jig is conveniently suitable for CNC machine tools with different Z-axis strokes, and the universality of the positioning jig is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field related to positioning fixture processing, in particular to a glass processing positioning fixture. Background Art

[0002] There are two types of fixtures: tooling fixtures and testing fixtures. The former is a kind of fixture designed for machining, welding, assembly and other processes to facilitate processing and meet the needs of precision. The latter is used for testing. Because the product size and shape are complex, the testing fixture is needed to position the product during the testing process.

[0003] However, the height of traditional tooling fixtures is fixed, which makes them unsuitable for CNC machine tools without Z-axis travel, resulting in certain limitations in actual use. Therefore, the utility model proposes a glass processing positioning fixture to solve the above problem. Utility Model Content

[0004] The purpose of the utility model is to provide a glass processing positioning fixture to solve the problems raised in the above background technology.

[0005] In order to achieve the above-mentioned purpose, the utility model provides the following technical solutions: a glass processing positioning fixture, the glass processing positioning fixture comprising:

[0006] A fixed bottom plate, wherein the fixed bottom plate is a rectangular platform structure, and handles are fixedly installed on both sides of the fixed bottom plate;

[0007] A lifting base plate, the lifting base plate is arranged directly above the fixed base plate, and lifting cylinders are fixedly installed in the mounting holes on both sides of the lifting base plate, the telescopic rods of the lifting cylinders are fixedly connected to the fixed base plate, and the lifting cylinders are connected to the primary air supply equipment through an air pipe;

[0008] A cross cavity, wherein the cross cavity is fixed on the lifting bottom plate and a mounting groove is provided on the cross cavity;

[0009] A loading platform, which is fixedly mounted on the cross cavity, and the workpiece to be clamped is placed on the loading platform;

[0010] A clamping assembly is installed on the cross cavity, and the workpiece to be clamped is positioned and fixed by the clamping assembly.

[0011] Preferably, a water retaining frame is fixedly installed on the edge of the loading platform, the upper surface of the fixed base plate and the lower surface of the lifting base plate are connected via an accordion cover, a protective cover is fixedly installed at the position of the mounting hole on the lifting base plate, and the lifting cylinder is located inside the protective cover.

[0012] Preferably, the clamping assembly is composed of an opening and closing cylinder, a cross push block, a long push rod, a short push rod, an opening and closing push plate mounting block and an opening and closing push plate combination, the opening and closing cylinder is connected to the lower surface of the lifting base plate through a mounting bracket, the cross push block is fixedly connected to the telescopic rod of the opening and closing cylinder, a push rod groove is opened on the side wall of the mounting groove of the cross cavity, and two groups of push rod grooves are symmetrically arranged, the long push rod and the short push rod are symmetrically arranged in a pair, and the long push rod and the short push rod are movably arranged in the push rod grooves, the outer ends of the long push rod and the short push rod are fixedly mounted with an opening and closing push plate mounting block, the upper side end of the opening and closing push plate mounting block is mounted with an opening and closing push plate, the opening and closing push plate is horizontally arranged, and the opening and closing push plate is arranged at the same height as the workpiece to be clamped, and the opening and closing cylinder is connected to the secondary air supply equipment through an air pipe.

[0013] Preferably, a guide block is integrally formed on the edge of the cross push block, the cross-section of the guide block is a parallelogram, and the lower end of the guide block is inclined outward, and four guide blocks are arranged in a cross shape, and the guide blocks are arranged corresponding to the long push rod and the short push rod, and the inner ends of the long push rod and the short push rod are provided with guide grooves, the guide grooves are matched with the guide blocks, and the guide blocks are movably arranged in the guide grooves.

[0014] Preferably, a secondary sealing groove and a tertiary sealing groove are provided on the side wall of the push rod groove, and a secondary sealing ring and a tertiary sealing ring are respectively embedded and installed in the secondary sealing groove and the tertiary sealing groove.

[0015] Preferably, an air hole is opened on the side wall of the three-stage sealing groove, and a positive pressure air nozzle is fixedly connected to the end of the air hole, and the positive pressure air nozzle is connected to the three-stage air supply equipment through an air pipe.

[0016] Preferably, a clearance groove is provided on the loading platform, and the clearance groove corresponds to the position of a hole provided on the workpiece.

[0017] Preferably, an adsorption groove is provided on the loading platform, the lower end of the adsorption groove is connected to the exhaust device through an air pipe, and a primary sealing groove is provided on the loading platform at the edge of the adsorption groove, and a primary sealing ring is embedded in the primary sealing groove.

[0018] Preferably, an ejector module is provided on the loading platform, and the ejector module is connected to the four-stage air supply device through an air pipe. A blowing nozzle is fixedly installed on the side of the loading platform through a connecting bracket, and the blowing nozzle is arranged toward the loading platform.

[0019] Preferably, a linear bearing is fixedly mounted on the lifting base plate, a guide rod is fixedly mounted on the fixed base plate, and the lifting base plate is movably mounted on the guide rod via the linear bearing.

[0020] Compared with the prior art, the beneficial effects of the utility model are:

[0021] 1. By setting a glass processing positioning fixture composed of a fixed base plate, a lifting base plate, a cross cavity, a loading platform and a clamping assembly, the height of the lifting base plate can be adjusted by the lifting cylinder on the lifting base plate, so that the positioning fixture can be applied to CNC machine tools with different Z-axis strokes, thereby effectively improving the versatility of the positioning fixture;

[0022] 2. The clamping assembly is configured to be composed of an opening and closing cylinder, a cross push block, a long push rod, a short push rod, an opening and closing push plate mounting block and an opening and closing push plate combination, and an inclined guide block is arranged on the edge of the cross push block, and guide grooves are arranged on the inner ends of the long push rod and the short push rod, so that the four push rod structures can be driven simultaneously by the opening and closing cylinder, thereby achieving the purpose of optimizing the push rod driving structure. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 It is a schematic diagram of the structure of the utility model;

[0024] Figure 2 for Figure 1 A schematic diagram of the structure enlargement in the middle;

[0025] Figure 3 This is a schematic diagram of the structure of the loading platform of the utility model;

[0026] Figure 4 for Figure 3 A magnified schematic diagram of the structure at B in the middle;

[0027] Figure 5 Schematic diagram of the position of the cross cavity and the loading platform of the utility model;

[0028] Figure 6 for Figure 5 A magnified schematic diagram of the structure at C in the middle;

[0029] Figure 7 for Figure 6 A magnified schematic diagram of the structure at D in the middle;

[0030] Figure 8 This is a schematic diagram of the structure of the clamping assembly of the utility model;

[0031] Fig. 9 This is a schematic diagram of the connection between the cross push block and the long push rod of the utility model;

[0032] Fig.10 for Fig. 9 The enlarged schematic diagram of the structure at E in the middle;

[0033] Fig.11 It is a half-section view of the long push rod of the utility model.

[0034] In the figure: fixed base plate 1, lifting base plate 2, cross cavity 3, loading platform 4, lifting cylinder 5, opening and closing cylinder 6, cross push block 7, long push rod 8, short push rod 9, opening and closing push plate mounting block 10, opening and closing push plate 11, guide block 12, guide groove 13, secondary sealing ring 14, tertiary sealing ring 15, air hole 16, positive pressure air nozzle 17, air avoidance groove 18, workpiece 19, adsorption groove 20, ejector module 21, linear bearing 22, accordion cover 23, water retaining frame 24, protective cover 25, connecting bracket 26, blowing nozzle 27, handle 28, primary sealing ring 29. DETAILED DESCRIPTION

[0035] In order to make the purpose and technical solution of the utility model clearly and completely described, and the advantages more clearly understood, the embodiments of the utility model are further described in detail in conjunction with the accompanying drawings. It should be understood that the specific embodiments described here are part of the embodiments of the utility model, not all of the embodiments, and are only used to explain the embodiments of the utility model, and are not used to limit the embodiments of the utility model. All other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0036] In the description of the present utility model, it should be noted that the terms "center", "middle", "upper", "lower", "left", "right", "inner", "outer", "top", "bottom", "side", "vertical", "horizontal" and the like indicate positions or positional relationships based on the positions or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the present utility model and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operate in a specific orientation, and therefore cannot be understood as a limitation on the present utility model. In addition, the terms "one", "first", "second", "third", "fourth", "fifth", "sixth" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance.

[0037] In the description of the present invention, it should be noted that, unless otherwise clearly specified and limited, the terms "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection; it can be a mechanical connection or an electrical connection; it can be a direct connection, or it can be indirectly connected through an intermediate medium, or it can be the internal communication of two components. For ordinary technicians in this field, the specific meanings of the above terms in the present invention can be understood according to specific circumstances.

[0038] For the purpose of simplicity and illustration, the principles of the embodiments are mainly described by reference to examples. In the following description, many specific details are proposed to provide a thorough understanding of the embodiments. However, it is obvious that for those of ordinary skill in the art, these embodiments may not be limited to these specific details in practice. In some instances, known methods and structures are not described in detail to avoid making these embodiments unnecessarily difficult to understand. In addition, all embodiments can be used in combination with each other.

[0039] See also Figure 1-11 , the utility model provides the following eight preferred embodiments:

[0040] Embodiment 1

[0041] A glass processing positioning jig includes a fixed base plate 1, a lifting base plate 2, a cross cavity 3, a loading platform 4 and a clamping assembly. The fixed base plate 1 is a rectangular platform structure, and handles 28 are fixedly installed on both sides of the fixed base plate 1. The lifting base plate 2 is arranged directly above the fixed base plate 1, and lifting cylinders 5 are fixedly installed in the mounting holes on both sides of the lifting base plate 2. The telescopic rod of the lifting cylinder 5 is fixedly connected to the fixed base plate 1, and the lifting cylinder 5 is connected to the primary air supply equipment through an air pipe. The cross cavity 3 is fixed on the lifting base plate 2, and a mounting groove is opened on the cross cavity 3. The loading platform 4 is fixedly installed on the cross cavity 3, and a workpiece 19 to be clamped is placed on the loading platform 4. The clamping assembly is installed on the cross cavity 3, and the workpiece 19 to be clamped is positioned and fixed by the clamping assembly.

[0042] Embodiment 2

[0043] On the basis of Example 1, a water retaining frame 24 is fixedly installed on the edge of the loading platform 4, the upper surface of the fixed base plate 1 and the lower surface of the lifting base plate 2 are connected by an accordion cover 23, a protective cover 25 is fixedly installed at the position of the mounting hole on the lifting base plate 2, and the lifting cylinder 5 is located inside the protective cover 25 to prevent dust and cooling water used in the processing process from damaging the internal electrical components of the device.

[0044] Embodiment 3

[0045] On the basis of Example 2, the clamping assembly is composed of an opening and closing cylinder 6, a cross push block 7, a long push rod 8, a short push rod 9, an opening and closing push plate mounting block 10 and an opening and closing push plate 11. The opening and closing cylinder 6 is connected to the lower surface of the lifting base plate 2 through a mounting bracket, and the cross push block 7 is fixedly connected to the telescopic rod of the opening and closing cylinder 6. A push rod groove is opened on the side wall of the mounting groove of the cross cavity 3, and two groups of push rod grooves are symmetrically arranged. The long push rod 8 and the short push rod 9 are symmetrically arranged in a pair, and the long push rod 8 and the short push rod 9 are movably arranged in the push rod grooves. The outer ends of the long push rod 8 and the short push rod 9 are fixedly installed with an opening and closing push plate mounting block 10, and the upper side end of the opening and closing push plate mounting block 10 is installed with an opening and closing push plate 11. The opening and closing push plate 11 is horizontally arranged, and the opening and closing push plate 11 and the workpiece 19 to be clamped are arranged at the same height. The opening and closing cylinder 6 is connected to the secondary air supply equipment through an air pipe.

[0046] A guide block 12 is integrally formed on the edge of the cross push block 7. The cross section of the guide block 12 is a parallelogram, and the lower side end of the guide block 12 is inclined outward. There are four guide blocks 12 arranged in a cross shape. The guide blocks 12 are arranged corresponding to the long push rod 8 and the short push rod 9, and the inner ends of the long push rod 8 and the short push rod 9 are provided with guide grooves 13. The guide grooves 13 are matched with the guide blocks 12, and the guide blocks 12 are movably arranged in the guide grooves 13. By configuring the clamping assembly to be composed of an opening and closing cylinder 6, a cross push block 7, a long push rod 8, a short push rod 9, an opening and closing push plate mounting block 10 and an opening and closing push plate 11, and arranging an inclined guide block 12 on the edge of the cross push block 7, and arranging guide grooves 13 on the inner ends of the long push rod 8 and the short push rod 9, the four push rod structures can be driven simultaneously by the opening and closing cylinder 6, thereby achieving the purpose of optimizing the push rod driving structure.

[0047] Embodiment 4

[0048] On the basis of the third embodiment, a secondary sealing groove and a tertiary sealing groove are provided on the side wall of the push rod groove, and a secondary sealing ring 14 and a tertiary sealing ring 15 are embedded and installed in the secondary sealing groove and the tertiary sealing groove respectively.

[0049] An air hole 16 is opened on the side wall of the tertiary sealing groove, and a positive pressure air nozzle 17 is fixedly connected to the end of the air hole 16. The positive pressure air nozzle 17 is connected to the tertiary air supply equipment through an air pipe to prevent the cooling water used to cool the machine tool tool head from entering the installation groove of the cross cavity 3 and causing damage to its internal components.

[0050] Embodiment 5

[0051] On the basis of the fourth embodiment, a clearance groove 18 is provided on the loading platform 4 , and the clearance groove 18 corresponds to the position of the hole provided on the workpiece 19 .

[0052] Embodiment 6

[0053] On the basis of Example 5, an adsorption groove 20 is provided on the loading platform 4, the lower end of the adsorption groove 20 is connected to the exhaust equipment through an air pipe, and a primary sealing groove is provided on the loading platform 4 at the edge of the adsorption groove 20, and a primary sealing ring 29 is embedded and installed in the primary sealing groove to improve the positioning stability of the workpiece 19.

[0054] Embodiment 7

[0055] On the basis of Example 6, a ejector module 21 is provided on the loading platform 4, and the ejector module 21 is connected to the four-stage air supply device through an air pipe. A blowing nozzle 27 is fixedly installed on the side of the loading platform 4 through a connecting bracket 26. The blowing nozzle 27 is arranged toward the loading platform 4 to facilitate cleaning of tool processing dust.

[0056] Embodiment 8

[0057] On the basis of the seventh embodiment, a linear bearing 22 is fixedly installed on the lifting base plate 2, and a guide rod is fixedly installed on the fixed base plate 1. The lifting base plate 2 is movably installed on the guide rod through the linear bearing 22, thereby improving the flexibility of the lifting base plate 2 in moving up and down.

[0058] Although the above describes the illustrative specific implementation methods of the present application so that technicians in this technical field can understand the present application, the present application is not limited to the scope of the specific implementation methods. For ordinary technicians in this technical field, as long as various changes are within the spirit and scope of the present application defined and determined by the attached claims, all application creations using the concept of the present application are protected.

Claims

1. A glass processing positioning fixture, characterized in that: The glass processing positioning fixture comprises: A fixed base plate (1), wherein the fixed base plate (1) is a rectangular platform structure, and handles (28) are fixedly mounted on both sides of the fixed base plate (1); A lifting base plate (2), the lifting base plate (2) being arranged directly above the fixed base plate (1), and a lifting cylinder (5) being fixedly installed in the mounting holes on both sides of the lifting base plate (2), the telescopic rod of the lifting cylinder (5) being fixedly connected to the fixed base plate (1), and the lifting cylinder (5) being connected to a primary air supply device via an air pipe; A cross cavity (3), wherein the cross cavity (3) is fixed on the lifting base plate (2), and a mounting groove is provided on the cross cavity (3); A loading platform (4), wherein the loading platform (4) is fixedly mounted on the cross cavity (3), and a workpiece (19) to be clamped is placed on the loading platform (4); A clamping assembly is installed on the cross cavity (3), and a workpiece (19) to be clamped is positioned and fixed by the clamping assembly.

2. A glass processing positioning fixture according to claim 1, characterized in that: A water retaining frame (24) is fixedly installed on the edge of the loading platform (4); the upper surface of the fixed base plate (1) and the lower surface of the lifting base plate (2) are connected via an accordion cover (23); a protective cover (25) is fixedly installed at the position of the mounting hole on the lifting base plate (2), and the lifting cylinder (5) is arranged inside the protective cover (25).

3. The glass processing positioning fixture according to claim 1, characterized in that: The clamping assembly is composed of an opening and closing cylinder (6), a cross push block (7), a long push rod (8), a short push rod (9), an opening and closing push plate mounting block (10) and an opening and closing push plate (11). The opening and closing cylinder (6) is connected to the lower surface of the lifting base plate (2) through a mounting bracket. The cross push block (7) is fixedly connected to the telescopic rod of the opening and closing cylinder (6). A push rod groove is provided on the side wall of the mounting groove of the cross cavity (3). The push rod groove is symmetrically arranged in two groups. The long push rod (8), the short push rod (9) 9) are symmetrically arranged with a pair, and the long push rod (8) and the short push rod (9) are movably arranged in the push rod groove, the outer ends of the long push rod (8) and the short push rod (9) are fixedly installed with an opening and closing push plate mounting block (10), the upper side end of the opening and closing push plate mounting block (10) is installed with an opening and closing push plate (11), the opening and closing push plate (11) is arranged horizontally, and the opening and closing push plate (11) and the workpiece to be clamped (19) are arranged at the same height, and the opening and closing cylinder (6) is connected to the secondary air supply equipment through an air pipe.

4. A glass processing positioning fixture according to claim 3, characterized in that: A guide block (12) is integrally formed on the edge of the cross push block (7); the guide block (12) has a parallelogram cross section, and the lower end of the guide block (12) is inclined outward; four guide blocks (12) are arranged in a cross shape; the guide blocks (12) are arranged corresponding to the long push rod (8) and the short push rod (9); and guide grooves (13) are provided at the inner ends of the long push rod (8) and the short push rod (9); the guide grooves (13) are matched with the guide blocks (12), and the guide blocks (12) are movably arranged in the guide grooves (13).

5. A glass processing positioning fixture according to claim 4, characterized in that: A secondary sealing groove and a tertiary sealing groove are provided on the side wall of the push rod groove, and a secondary sealing ring (14) and a tertiary sealing ring (15) are respectively embedded and installed in the secondary sealing groove and the tertiary sealing groove.

6. A glass processing positioning fixture according to claim 5, characterized in that: An air hole (16) is provided on the side wall of the three-stage sealing groove, and a positive pressure air nozzle (17) is fixedly connected to the end of the air hole (16), and the positive pressure air nozzle (17) is connected to the three-stage air supply equipment through an air pipe.

7. The glass processing positioning fixture according to claim 1, characterized in that: The loading platform (4) is provided with an air avoidance groove (18), and the air avoidance groove (18) corresponds to the position of a hole formed on the workpiece (19).

8. The glass processing positioning fixture according to claim 1, characterized in that: The loading platform (4) is provided with an adsorption groove (20), the lower end of which is connected to an exhaust device via an air pipe, and the loading platform (4) is provided with a primary sealing groove at the edge of the adsorption groove (20), wherein a primary sealing ring (29) is embedded and installed.

9. The glass processing positioning fixture according to claim 1, characterized in that: The loading platform (4) is provided with an ejector module (21), the ejector module (21) being connected to a four-stage air supply device via an air pipe, and a blowing nozzle (27) is fixedly mounted on the side of the loading platform (4) via a connecting bracket (26), the blowing nozzle (27) being arranged toward the loading platform (4).

10. The glass processing positioning fixture according to claim 1, characterized in that: A linear bearing (22) is fixedly mounted on the lifting base plate (2), a guide rod is fixedly mounted on the fixed base plate (1), and the lifting base plate (2) is movably mounted on the guide rod via the linear bearing (22).

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