Blade clamping device

Abstract

The utility model relates to the technical field of aero-engines, in particular to a blade clamping device which comprises a shell, a positioning block, a clamping assembly and a guide assembly, the positioning block is fixedly connected with the shell, the clamping assembly is connected with the shell, one end of the guide assembly penetrates through the positioning block and is fixedly connected with the shell, and the other end of the guide assembly is fixedly connected with the shell. The other end of the guide assembly penetrates through the clamping assembly and is fixedly connected with the shell, the clamping assembly is in sliding connection with the guide assembly, and the clamping assembly is close to or away from the positioning block. The shell is arranged, the positioning block and the clamping assembly are arranged in the shell, when the blade needs to be placed, the positioning block and the clamping assembly are made to be far away through the guide assembly, the blade is placed on the positioning block, the clamping assembly is made to be close to the positioning block, and therefore the blade is clamped and fixed. The device is simple and easy to operate, the blade can be stably clamped, smooth proceeding of automatic sand blasting work of the blade is guaranteed, and the blade surface treatment efficiency and the blade surface treatment quality are improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to aero-engine technical field, concretely relates to a blade clamping device. BACKGROUND

[0002] The work piece surface needs to be sandblasted during the manufacture of the turbine working blade of aero-engine, in order to improve the surface treatment efficiency of the turbine working blade, control the surface treatment quality, and improve the surface treatment consistency, an automatic sandblasting equipment is adopted, in order to adapt to the requirement of the automatic sandblasting process, solve the clamping problem of the turbine working blade during the automatic sandblasting process, according to the equipment function, the work piece structure characteristics and the sandblasting position, a turbine working blade surface treatment automatic sandblasting clamping device is urgently needed. SUMMARY

[0003] The technical problem solved by the utility model is how to stably clamp the blade during the automatic sandblasting process.

[0004] The technical scheme for solving the above technical problem is as follows: a blade clamping device, characterized by comprising: a shell, a positioning block, a clamping assembly and a guide assembly, the positioning block is fixedly connected with the shell, the clamping assembly is connected with the shell, one end of the guide assembly penetrates through the positioning block and is fixedly connected with the shell, the other end of the guide assembly penetrates through the clamping assembly and is fixedly connected with the shell, the clamping assembly is slidably connected with the guide assembly, and the clamping assembly is close to or away from the positioning block.

[0005] The utility model has the advantages that: the shell is arranged, and the positioning block and the clamping assembly are arranged in the shell, when the blade needs to be placed, the positioning block and the clamping assembly are away from each other through the guide assembly, the blade is placed on the positioning block and the clamping assembly is close to the positioning block, so that the blade is clamped and fixed. The device is simple and easy to operate, can stably clamp the blade, and ensures the smooth operation of the automatic sandblasting work of the blade, improves the surface treatment efficiency of the blade and the treatment quality of the surface of the blade.

[0006] On the basis of the above technical scheme, the utility model can also be improved as follows.

[0007] Further, the guide assembly comprises a guide rod and a spring, one end of the guide rod penetrates through the positioning block and is fixedly connected with one side of the shell, the other end of the guide rod penetrates through the clamping assembly and is fixedly connected with the other side of the shell, the spring is sleeved on the middle part of the guide rod, and the positioning block, the spring and the clamping assembly abut in sequence.

[0008] The beneficial effect of the further scheme is that the guide rod is arranged to guide the clamping assembly when clamping the blade, so that the clamping is more stable. When the clamping assembly is close to the positioning block and clamps the blade, the spring is compressed and can also act as a buffer to ensure that the clamping assembly clamps the blade gently to prevent damage to the blade. When the clamping assembly is loosened, the spring returns to push the clamping assembly away from the positioning block, so that the operation is more convenient and time-saving.

[0009] Further, the clamping assembly comprises a pressing block, a connecting block and a pressing handle, the connecting block and the pressing block are fixedly connected, one end of the pressing handle passes through the connecting block and abuts against or separates from the pressing block, and the middle part of the pressing handle is screwed with the shell.

[0010] The beneficial effect of the further scheme is that the connecting block and the pressing block are fixedly connected, and the pressing handle passes through the connecting block and abuts against or separates from the pressing block, so that the connecting block and the pressing block are driven to approach or move away from the positioning block by adjusting the pressing handle, and the operation is more convenient.

[0011] Further, the clamping assembly further comprises a first screw, a first connecting hole is formed on the pressing block, and a second connecting hole is formed on the connecting block, and the first screw passes through the second connecting hole and is fixedly connected with the first connecting hole.

[0012] The beneficial effect of the further scheme is that the first connecting hole is formed on the pressing block, the second connecting hole is formed on the connecting block, and the connecting block and the pressing block are fixedly connected by the first screw.

[0013] Further, the first connecting hole and the second connecting hole are provided with a plurality of holes, and a plurality of first screws, a plurality of first connecting holes and a plurality of second connecting holes are connected one by one.

[0014] The beneficial effect of the further scheme is that a plurality of first connecting holes and second connecting holes are arranged, and the connecting block and the pressing block are fixedly connected by a plurality of first screws, so that the connecting block and the pressing block are more stably connected, and the blade is clamped smoothly.

[0015] Further, one end of the connecting block is provided with a groove, the other end of the connecting block is provided with a through hole, the through hole and the groove are communicated, one end of the pressing handle is provided with a limiting piece, and one end of the pressing handle passes through the through hole and abuts against or separates from the pressing block.

[0016] The beneficial effect of the further scheme is that: by setting the groove at one end of the connecting block, the through hole at the other end of the connecting block, and the limiting piece at one end of the pressing handle, one end of the pressing handle passes through the through hole, when the blade needs to be clamped, the pressing handle is screwed, one end of the pressing handle and the pressing block abut, and the pressing block is pushed close to the positioning block, so as to clamp and fix the blade; when the blade needs to be disassembled, the pressing handle is screwed, one end of the pressing handle and the pressing block are separated, the limiting piece and the connecting block are limited by clamping, so that the pressing handle is prevented from being pulled out of the through hole, and at the same time, with the further screwing of the pressing handle, the pressing handle drives the connecting block and the pressing block away from the positioning block, so as to complete the disassembly of the blade.

[0017] Further, the guide assembly is a plurality of.

[0018] The beneficial effect of the further scheme is that: by setting a plurality of guide assemblies, the guide effect is more stable, the clamping and disassembly of the blade are more convenient and labor-saving, and the clamping of the blade is more stable and in position.

[0019] Further, the base is further provided.

[0020] The beneficial effect of the further scheme is that: by setting the base, the sandblasting device is connected to complete the sandblasting treatment of the surface of the blade.

[0021] Further, the shell has a containing cavity, the positioning block, the clamping assembly and the guide assembly are located in the containing cavity, one end of the shell is fixedly connected with the base, and the other end of the shell is open.

[0022] The beneficial effect of the further scheme is that: the shell is provided with a containing cavity, so that the positioning block, the clamping assembly and the guide assembly are conveniently placed, and the other end of the shell is provided as an opening, so that the blade is conveniently clamped and disassembled.

[0023] Further, the base is further provided.

[0024] The beneficial effect of the further scheme is that: by setting the third connecting hole on the periphery of the base, the base and the automatic sandblasting device are conveniently connected. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 It is a front view of the blade clamping device of the utility model;

[0026] Figure 2 It is a top view of the blade clamping device of the utility model;

[0027] Figure 3 It is a B-B sectional view of the blade clamping device of the utility model;

[0028] Figure 4 The utility model discloses a blade clamping device exploded view.

[0029] In the drawing, the component list represented by each sign is as follows:

[0030] 1, base, 2, guide rod, 3, spring, 4, shell, 5, positioning block, 6, compression block, 7, connecting block, 8, first screw, 9, compression handle, 10, limiting sheet, 11, through hole, 12, recess. Specific implementation

[0031] The principles and characteristics of the utility model are described below in combination with the drawings, and the examples are only used to explain the utility model and not used to limit the scope of the utility model.

[0032] As Figures 1-4 Indicated, the utility model provides a blade clamping device, including: shell 4, positioning block 5, clamping assembly and guide assembly, positioning block 5 with shell 4 fixed connection, clamping assembly with shell 4 is connected, one end of guide assembly passes through positioning block 5 and with shell 4 fixed connection, the other end of guide assembly passes through clamping assembly and with shell 4 fixed connection, clamping assembly with guide assembly sliding connection, clamping assembly is close to or away from positioning block 5.

[0033] By setting shell 4, and setting positioning block 5 and clamping assembly in shell 4, when needing to place blade, through guide assembly, make positioning block 5 and clamping assembly away, place blade on positioning block 5 and make clamping assembly close to positioning block 5, to clamping fixed blade.The device is simple and easy to operate, and can stably clamp blade, and guarantee the smooth progress of blade automatic sandblasting work, improve blade surface treatment efficiency and the processing quality of blade surface.

[0034] On the basis of any of the above schemes, the guide assembly includes a guide rod 2 and a spring 3, one end of the guide rod 2 passes through the positioning block 5 and is fixedly connected to one side of the shell 4, the other end of the guide rod 2 passes through the clamping assembly and is fixedly connected to the other side of the shell 4, the spring 3 is sleeved on the middle part of the guide rod 2, and the positioning block 5, the spring 3 and the clamping assembly are in abutment in sequence.

[0035] The guide rod 2 is arranged, so that the guide rod 2 plays a guiding role when the clamping assembly is clamped and fixed to the blade, so that the clamping is more stable and correct.

[0036] Specifically, one end of the spring 3 abuts against the positioning block 5, and the other end of the spring 3 abuts against the clamping assembly.

[0037] Optionally, the guide assembly comprises the guide rod 2, one end of the guide rod 2 penetrates through the positioning block 5 and is fixedly connected to one side of the shell 4, and the other end of the guide rod 2 penetrates through the clamping assembly and is fixedly connected to the other side of the shell 4.

[0038] The guide rod 2 is arranged, so that the guide rod 2 plays a guiding role when the clamping assembly is clamped and fixed to the blade, so that the clamping is more stable and correct.

[0039] On the basis of any of the above solutions, the clamping assembly comprises a pressing block 6, a connecting block 7 and a pressing handle 9, the connecting block 7 is fixedly connected to the pressing block 6, one end of the pressing handle 9 penetrates through the connecting block 7 and abuts against or separates from the pressing block 6, and the middle part of the pressing handle 9 is threadedly connected to the shell 4.

[0040] The connecting block 7 is fixedly connected to the pressing block 6, the pressing handle 9 penetrates through the connecting block 7 and abuts against or separates from the pressing block 6, and then the connecting block 7 and the pressing block 6 are driven to move close to or away from the positioning block 5 by adjusting the pressing handle 9, so that the operation is more convenient.

[0041] Specifically, the other end of the shell 4 is provided with a threaded hole, and the middle part of the pressing handle 9 is provided with external threads, and the pressing handle 9 penetrates through the threaded hole and is threadedly connected to the threaded hole.

[0042] The threaded hole is arranged on the shell 4, and the external threads are arranged on the pressing handle 9, and the connecting block 7 and the pressing block 6 are driven to move close to or away from the positioning block 5 by rotating the pressing handle 9, so that the clamping and dismounting of the blade are completed.

[0043] Optionally, the pressing handle 9 is rotatably connected to the pressing block 6 or the connecting block 7 through a bearing.

[0044] On the basis of any of the above solutions, the clamping assembly further comprises a first screw 8, a first connecting hole is formed in the pressing block 6, a second connecting hole is formed in the connecting block 7, and the first screw 8 penetrates through the second connecting hole and is fixedly connected to the first connecting hole.

[0045] The first connecting hole is arranged on the pressing block 6, the second connecting hole is arranged on the connecting block 7, and the connecting block 7 and the pressing block 6 are fixedly connected through the first screw 8.

[0046] On the basis of any of the above solutions, the first connecting hole and the second connecting hole are each provided with a plurality of holes, and the plurality of first screws 8, the plurality of first connecting holes and the plurality of second connecting holes are one-to-one correspondingly connected.

[0047] The plurality of first connecting holes and the plurality of second connecting holes are arranged, and the connecting block 7 and the pressing block 6 are fixedly connected through the plurality of first screws 8, so that the connecting block 7 and the pressing block 6 are more stably connected, and the smooth clamping of the blade is ensured.

[0048] On the basis of any of the above solutions, a groove 12 is arranged at one end of the connecting block 7, a through hole 11 is arranged at the other end of the connecting block 7, the through hole 11 and the groove 12 are communicated, a limiting piece 10 is arranged at one end of the pressing handle 9, and one end of the pressing handle 9 passes through the through hole 11 and abuts against or separates from the pressing block 6.

[0049] The groove 12 is arranged at one end of the connecting block 7, the through hole 11 is arranged at the other end of the connecting block 7, and the limiting piece 10 is arranged at one end of the pressing handle 9, so that one end of the pressing handle 9 passes through the through hole 11, when the blade needs to be clamped, the pressing handle 9 is screwed, one end of the pressing handle 9 abuts against the pressing block 6, and the pressing block 6 is pushed to be close to the positioning block 5, so as to clamp and fix the blade; when the blade needs to be disassembled, the pressing handle 9 is screwed, one end of the pressing handle 9 separates from the pressing block 6, the limiting piece 10 and the connecting block 7 are clamped and limited along with the unscrewing of the pressing handle 9, so as to prevent the pressing handle 9 from being pulled out of the through hole 11, and along with the further screwing of the pressing handle 9, the pressing handle 9 drives the connecting block 7 and the pressing block 6 to be away from the positioning block 5, so as to complete the disassembly of the blade.

[0050] Specifically, a clamping groove is arranged at one end of the pressing handle 9, and the limiting piece 10 is arranged in the clamping groove.

[0051] Specifically, the limiting piece 10 is a spring piece.

[0052] Optionally, the limiting piece 10 is other limiting structure, for example, a protrusion is arranged at one end of the pressing handle 9.

[0053] On the basis of any of the above solutions, the guide assembly is a plurality of guide assemblies.

[0054] The plurality of guide assemblies are arranged, so that the guide effect is more stable, the clamping and disassembly of the blade are more convenient and labor-saving, and the clamping of the blade is more stable and in position.

[0055] In one specific example, the guide assembly is 3, one end of one guide assembly passes through the lower end of the positioning block 5 and is fixedly connected with the shell 4, the other end of the guide assembly passes through the lower end of the clamping assembly and is fixedly connected with the shell 4, the other end of the other two guide assemblies passes through the two sides of the upper end of the positioning block 5 respectively and is fixedly connected with the shell 4, and the other end of the two guide assemblies passes through the two sides of the upper end of the clamping assembly respectively and is fixedly connected with the shell 4. The three guide assemblies are distributed in a triangular shape and can stably guide the clamping of the blade.

[0056] On the basis of any of the above solutions, a base 1 is further included, and the shell 4 and the base 1 are fixedly connected.

[0057] By arranging the base 1, the automatic sand blasting equipment is further facilitated to be connected, so as to complete the sand blasting treatment of the surface of the blade.

[0058] Specifically, the base 1 is circular.

[0059] Alternatively, the base 1 can also be rectangular or other irregular shapes to be matched with the automatic sand blasting equipment.

[0060] On the basis of any of the above solutions, the shell 4 has a containing cavity, the positioning block 5, the clamping assembly and the guide assembly are located in the containing cavity, one end of the shell 4 is fixedly connected with the base 1, and the other end of the shell 4 is open.

[0061] The shell 4 is arranged with the containing cavity, so as to facilitate the positioning block 5, the clamping assembly and the guide assembly to be placed, and the other end of the shell 4 is arranged to be open, so as to facilitate the blade to be clamped and disassembled.

[0062] On the basis of any of the above solutions, the base 1 is arranged with third connecting holes at intervals in the circumferential direction.

[0063] The third connecting holes are arranged at intervals in the circumferential direction of the base 1, so as to facilitate the base 1 to be connected with the automatic sand blasting equipment.

[0064] Specifically, a second screw or pin is further included, and the second screw or pin passes through the third connecting hole and is connected with the automatic sand blasting equipment.

[0065] In one specific example, four third connecting holes are arranged at intervals in the circumferential direction of the upper end surface of the base 1, four second screws pass through the third connecting holes and are fixedly connected with the automatic sand blasting equipment, and the stability of the device is maintained. By rotating the pressing handle 9 to drive the pressing block 6 to move away from the positioning block 5, the blade is placed on the positioning block 5 for positioning. After the blade is placed and positioned, the pressing handle 9 is rotated to drive the pressing block 6 to move close to the positioning block 5, so as to clamp and fix the blade. The automatic sand blasting equipment is started to perform sand blasting treatment on the surface of the blade.

[0066] The device is simple to operate, saves time and effort, can stably clamp the blade, and guarantees smooth automatic sandblasting work of the blade, improves the blade surface treatment efficiency and the treatment quality of the blade surface.

[0067] In the description of the utility model, it is to be understood that the orientation or positional relationship indicated by the terms "center", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "circumferential" and the like is the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the device or element indicated must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model.

[0068] In addition, the terms "first" and "second" are only for the purpose of description, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" can explicitly or implicitly include at least one of the features. In the description of the utility model, the meaning of "multiple" is at least two, such as two, three, etc., unless otherwise specifically limited.

[0069] In the utility model, unless otherwise specifically defined and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the internal communication of two elements or the interaction relationship of two elements, unless otherwise specifically limited. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0070] In the utility model, unless otherwise specifically defined and limited, the first feature "on" or "under" the second feature can be direct contact between the first and second features, or indirect contact between the first and second features through an intermediate medium. Moreover, the first feature "above", "above" and "above" of the second feature can be directly above or obliquely above the first feature, or only indicate that the horizontal height of the first feature is higher than that of the second feature. The first feature "below", "below" and "below" of the second feature can be directly below or obliquely below the first feature, or only indicate that the horizontal height of the first feature is less than that of the second feature.

[0071] In the description of the present specification, the description referring to the terms "one embodiment", "some embodiments", "an example", "a specific example", or "some examples" and the like means that the specific features, structures, materials or characteristics described in connection with the embodiment or example are included in at least one embodiment or example of the present application. In the present specification, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any appropriate manner in any one or more embodiments or examples. Furthermore, the person skilled in the art can combine and combine the different embodiments or examples described in the present specification and the features of the different embodiments or examples, without contradiction.

[0072] Although the embodiments of the present application have been shown and described above, it is understood that the above embodiments are exemplary and should not be construed as limiting the present application, and the person skilled in the art can make changes, modifications, replacements and modifications to the above embodiments within the scope of the present application.

Claims

1. A blade clamping device, characterized in that The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

2. A vane clamping device according to claim 1, characterised in that The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

3. The blade clamping device according to claim 1, wherein The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

4. A vane clamping device according to claim 3, wherein The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

5. A vane clamping device according to claim 4, wherein The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

6. A vane clamping device according to claim 3, wherein The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

7. A blade clamping device according to any of claims 1-6, characterized in that The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

8. A vane clamping device according to claim 7, characterised in that The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

9. A vane clamping device according to claim 8, characterised in that The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5).

10. A vane clamping device according to claim 9, wherein The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5), clamping assembly and guide component, positioning block (5) with fixed connection with shell (4), clamping assembly and shell (4) are connected, one end of guide component passes through positioning block (5) and is fixedly connected with shell (4), the other end of guide component passes through clamping assembly and is fixedly connected with shell (4), clamping assembly and guide component slidingly connected, clamping assembly is close to or away from positioning block (5). The utility model relates to a shell (4), positioning block (5

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