Perforating device for building structure engineering
By designing a drilling device for building structural engineering, and utilizing linear conveying components and pipe clamping components, the problem of instability caused by traditional manual holding during drilling was solved, achieving stability and accuracy of pipes during the drilling process, and improving safety and efficiency.
Patent Information
- Application Number
- CN202520335899.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-28
- Publication Date
- 2026-02-06
- Estimated Expiration
- 2035-02-28
AI Technical Summary
In traditional building structural engineering, when drilling holes by manually holding pipe fittings, it is difficult to hold small pipe fittings stably, resulting in low drilling accuracy and safety risks.
A drilling device for building structural engineering has been designed, comprising a linear conveying component and a pipe clamping component. The clamping component stabilizes the pipe and works in conjunction with an electric drilling device to perform precise drilling, adapting to the needs of pipes of different diameters.
This technology ensures the stability of pipe fittings during the drilling process, preventing pipe displacement or rotation, improving drilling accuracy and safety, reducing manual intervention, and increasing work efficiency.
Smart Images

Figure CN223876116U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to building structure engineering technical field especially, and relates to a kind of punching device for building structure engineering. BACKGROUND
[0002] Building structure engineering is an important branch of building engineering, mainly studies and designs the structure system of building and structure, to ensure that it has enough strength, rigidity and stability, to bear external load and other actions (such as wind, earthquake, dead weight etc.), and meet the demand of use function. Building structure engineering involves the whole process from design to construction, is the important foundation of building realization safety, practical and economic.
[0003] Material punching is a process that building materials (such as reinforced concrete, steel plate, wood etc.) are drilled, cut or perforated in building structure engineering. This operation has specific purpose in construction or design, in steel structure, wood structure, through punching installation bolt or screw, can be used for the connection between fixed components.
[0004] In actual use, the conventional building structure engineering pipe is mostly held by artificial holding building structure engineering pipe and using hand-held electric puncher to realize the opening operation of building structure engineering pipe during punching operation, during which, although the building structure engineering pipe with large pipe diameter is convenient to hold, so as to complete punching operation, but for most common types of building structure engineering pipe, the pipe is difficult to hold, and manual operation is easy to cause the inclination or movement of pipe, so as to affect the position precision of opening, and it may slip in the drilling process due to vibration or excessive force, which not only increases the risk of injury, but also may damage the pipe.
[0005] Therefore, a kind of punching device for building structure engineering is proposed to solve the above problems. UTILITY MODEL CONTENTS
[0006] The utility model discloses in view of defects in the prior art, propose a kind of punching device for building structure engineering. The punching device has the advantages that different sizes of building structure engineering pipe can be stably positioned, so as to facilitate opening.
[0007] The utility model is realized by the following technical solutions, the utility model proposes a kind of punching device for building structure engineering, including punching processing platform 1, the punching processing platform 1 upper end face is equipped with processing plate 2, the processing plate 2 upper end face is equipped with linear conveying assembly 3;Building engineering pipe clamping assembly 4 is assembled and arranged on the linear conveying assembly 3;
[0008] The straight line conveying assembly 3 comprises four rod seats 31 arranged on the upper end surface of the processing plate 2, the four rod seats 31 are arranged in a rectangular shape, and adjacent two rod seats 31 are jointly provided with a light pole 32, the outer part of the two light poles 32 is slidably provided with a linear bearing 33, and the upper end surface of the two linear bearings 33 is jointly provided with a moving table 34.
[0009] The building engineering pipe clamping assembly 4 comprises a bottom plate 41 arranged on the top of the moving table 34, and the upper end surface of the bottom plate 41 is vertically provided with two adjusting seats 42, and the two adjusting seats 42 are arranged in parallel and have a spacing therebetween.
[0010] Two pushing plates 48 are slidably arranged between the two adjusting seats 42, and the two pushing plates 48 are arranged on one side of each adjusting seat 42 and are in close contact with the adjusting seat 42; and the end portions of the two pushing plates 48 are jointly connected with a clamping end plate 49.
[0011] Further, the upper end surface of the processing plate 2 is also provided with an electric punching device body 5.
[0012] Further, the straight line conveying assembly 3 further comprises two bearing seats 35 arranged on the upper end surface of the processing plate 2, the two bearing seats 35 are provided with bearing members, a first threaded lead screw 36 is rotatably arranged between the two bearing seats 35, a first screw nut 37 is engaged with the outer part of the first threaded lead screw 36, and the first screw nut 37 is connected with the moving table 34.
[0013] Further, the upper end surface of the processing plate 2 is also provided with a first reciprocating motor 38, and the output end of the first reciprocating motor 38 is connected with one end of the first threaded lead screw 36.
[0014] Further, a limiting plate 43 is vertically arranged between the two adjusting seats 42; a ball bearing 44 is assembled on the limiting plate 43, a second threaded lead screw 45 is rotatably connected with the ball bearing 44, a second screw nut 46 is engaged with the outer part of the second threaded lead screw 45, and a moving block 47 is sleeved on the outer part of the second screw nut 46.
[0015] Further, the moving block 47 is vertically arranged between the two pushing plates 48 and is connected with the pushing plates 48; a notch is formed in the side surface of the clamping end plate 49, and a rubber pad 410 is embedded in the notch; the rubber pad 410 is arranged in a fan shape, and the side wall thereof is in an arc shape.
[0016] Further, a pipe supporting seat 430 is connected to the side surface of the bottom plate 41, the pipe supporting seat 430 protrudes from one side and is vertically installed with a side rubber plate 440, and the side rubber plate 440 is arranged opposite to the rubber pad 410 and parallel to the rubber pad 410.
[0017] Further, one side of the limiting plate 43 is provided with a second reciprocating motor 420; the output end of the second reciprocating motor 420 is connected with one end of the second screw rod 45.
[0018] Compared with the prior art, the building structure engineering punching device has the beneficial effects that:
[0019] The building structure engineering punching device has the beneficial effects that: in actual use, the mutual movement of the multiple components arranged in the building engineering pipe clamping assembly can clamp the building engineering pipe, so that the building engineering pipe can be stably punched by the electric punching equipment body; compared with the traditional handheld punching operation, the building engineering pipe clamping assembly of the building structure engineering punching device can ensure the stability of the building engineering pipe during punching and effectively prevent the building engineering pipe from being displaced or rotated during punching, and the clamping spacing adjustment of the building engineering pipe clamping assembly can also adapt the building structure engineering punching device to building engineering pipes of different diameters, so that the punching demand can be flexibly met.
[0020] The building structure engineering punching device has the beneficial effects that: in actual use, the linear conveying assembly has high-precision linear transmission characteristics, can accurately control the movement distance of the building engineering pipe clamping assembly, and can ensure that the building engineering pipe clamped in the building engineering pipe clamping assembly can be accurately moved to the target position, so that accurate punching can be completed; when the pipe needs to be punched, the pipe can be moved to the lower side of the electric punching equipment body for punching, and after the pipe is punched, the linear conveying assembly can be driven, so that the building engineering pipe clamping assembly drives the pipe to move away from the punching area of the electric punching equipment body, the linear control of the linear conveying assembly and the building engineering pipe clamping assembly can reduce manual intervention, improve work efficiency and work safety, and avoid that the electric punching equipment body causes harm to the user during punching. BRIEF DESCRIPTION OF DRAWINGS
[0021] In order to more clearly illustrate the technical scheme in the embodiments of the present application or the prior art, the drawings needed in the following embodiment or prior art description will be briefly introduced. Obviously, the drawings in the following description are only embodiments of the present application, and those skilled in the art can obtain other drawings according to the provided drawings without creative labor.
[0022] Figure 1 It is a schematic diagram of the overall installation structure of the present application;
[0023] Figure 2 It is a schematic diagram of the overall installation structure of the building engineering pipe clamping assembly of the present application;
[0024] Figure 3 It is the installation structure schematic view of rubber pad in the clamping end plate side of the utility model;
[0025] Figure 4 It is the whole installation structure schematic view of linear conveying assembly of the utility model.
[0026] In all the drawings, same reference signs represent same technical features, specifically: 1, punching processing table;2, processing plate;3, linear conveying assembly;31, rod seat;32, light rod;33, linear bearing piece;34, moving table;35, bearing seat;36, first threaded lead screw;37, first lead screw nut;38, first reciprocating motor;4, construction engineering pipe fitting clamping assembly;41, bottom plate;42, adjusting seat;43, limiting plate;44, ball bearing;45, second threaded lead screw;46, second lead screw nut;47, moving block;48, push plate;49, clamping end plate;410, rubber pad;420, second reciprocating motor;430, pipe fitting support seat;440, side rubber plate;5, electric punching equipment body. DETAILED DESCRIPTION
[0027] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.
[0028] The utility model provides a kind of punching device for building structure engineering, including punching processing table 1, punching processing table 1 upper end face is equipped with processing plate 2, processing plate 2 upper end face is equipped with linear conveying assembly 3;Linear conveying assembly 3 is equipped with construction engineering pipe fitting clamping assembly 4;
[0029] Among them, linear conveying assembly 3 includes four rod seats 31 being arranged on the upper end surface of processing plate 2, four rod seats 31 are arranged in rectangular distribution and are equipped with light rod 32 between adjacent two rod seats 31, two light rods 32 are slidably provided with linear bearing piece 33 outside, and moving table 34 is equipped on the upper end surface of two linear bearing pieces 33;
[0030] Construction engineering pipe fitting clamping assembly 4 includes bottom plate 41 being arranged on the top of moving table 34, two adjusting seats 42 are vertically installed on the upper end surface of bottom plate 41, and adjusting seat 42 is arranged in parallel and is formed with spacing between them;
[0031] Two push plates 48 are slidingly arranged between the two adjusting seats 42, and each of the two push plates 48 is arranged on one side of one adjusting seat 42 and is attached to the adjusting seat 42; the end portions of the two push plates 48 are jointly connected with a clamping end plate 49.
[0032] The upper end face of the processing plate 2 is further provided with an electric punching device body 5.
[0033] The linear conveying assembly 3 further comprises two bearing seats 35 arranged on the upper end face of the processing plate 2, each of the two bearing seats 35 is provided with a bearing member, a first threaded lead screw 36 is rotationally arranged between the two bearing seats 35, a first screw nut 37 is externally meshed with the first threaded lead screw 36, and the first screw nut 37 is connected with the moving table 34.
[0034] The upper end face of the processing plate 2 is further provided with a first reciprocating motor 38, and the output end of the first reciprocating motor 38 is connected with one end of the first threaded lead screw 36.
[0035] A limiting plate 43 is vertically arranged between the two adjusting seats 42; the limiting plate 43 is provided with a ball bearing 44, the ball bearing 44 is rotationally connected with a second threaded lead screw 45, a second screw nut 46 is externally meshed with the second threaded lead screw 45, and a moving block 47 is externally sleeved with the second screw nut 46.
[0036] The moving block 47 is vertically arranged between the two push plates 48 and is connected with the push plates 48; the clamping end plate 49 is provided with a notch on the side face, and a rubber pad 410 is embedded in the notch; the rubber pad 410 is arranged in a fan shape, and the side wall of the rubber pad 410 is in an arc shape.
[0037] The side face of the bottom plate 41 is connected with a pipe support seat 430, one side of the pipe support seat 430 protrudes and is vertically installed with a side rubber plate 440, the side rubber plate 440 is arranged opposite to the rubber pad 410 and is parallel to the rubber pad 410.
[0038] The limiting plate 43 is provided with a second reciprocating motor 420 on one side; the output end of the second reciprocating motor 420 is connected with one end of the second threaded lead screw 45.
[0039] Embodiment
[0040] By Figures 1-4 A punching device for building structure engineering is given, which comprises a punching processing table 1;
[0041] The upper end face of the punching processing table 1 is provided with a processing plate 2, and the upper end face of the processing plate 2 is provided with a linear conveying assembly 3;
[0042] The linear conveying assembly 3 is provided with a building engineering pipe clamping assembly 4.
[0043] The linear conveying assembly 3 comprises four rod seats 31 arranged on the upper end face of the machining plate 2, the four rod seats 31 are arranged in a rectangular shape, and a light rod 32 is arranged between every two adjacent rod seats 31, the outer part of the two light rods 32 is slidably provided with a linear bearing 33, and the upper end face of the two linear bearings 33 is jointly provided with a moving table 34;
[0044] The building engineering pipe clamping assembly 4 comprises a bottom plate 41 arranged on the top of the moving table 34, the upper end face of the bottom plate 41 is vertically provided with two adjusting seats 42, and the two adjusting seats 42 are arranged in parallel and have a spacing therebetween;
[0045] The two adjusting seats 42 are slidably provided with two push plates 48, and the two push plates 48 are arranged on one side of each adjusting seat 42 and are attached thereto;
[0046] The end parts of the two push plates 48 are jointly connected with a clamping end plate 49;
[0047] The upper end face of the machining plate 2 is also provided with an electric punching device body 5.
[0048] In the embodiment, the building engineering pipe can be clamped by the building engineering pipe clamping assembly 4, so as to cooperate with the electric punching device body 5 to perform stable punching. Compared with the traditional handheld punching operation, the punching device of the utility model can ensure the stability of the building engineering pipe during punching by clamping the building engineering pipe through the building engineering pipe clamping assembly 4, effectively prevent the building engineering pipe from moving or rotating during the punching process, and simultaneously adjust the clamping spacing in the building engineering pipe clamping assembly 4, so that the punching device of the utility model can also adapt to building engineering pipes of different diameters, thereby flexibly meeting the punching demand.
[0049] Further, the linear conveying assembly 3 has high-precision linear transmission characteristics, can accurately control the moving distance of the building engineering pipe clamping assembly 4, ensure that the building engineering pipe clamped in the building engineering pipe clamping assembly 4 can be accurately moved to the target position, thereby completing accurate punching, and when the pipe needs to be punched, the pipe can be driven to move below the electric punching device body 5 for punching. When the pipe is punched, the linear conveying assembly 3 can be driven, so that the building engineering pipe clamping assembly 4 drives the pipe away from the punching area of the electric punching device body 5. Through the linear control of the linear conveying assembly 3 and the building engineering pipe clamping assembly 4, the manual intervention can be reduced, the work efficiency and safety can be improved, and the user can be prevented from being hurt by the electric punching device body 5 during punching.
[0050] It should be noted that the electric punching device body 5 is a mature structure, the power connection mode is the prior art, and the control circuit can be realized through simple programming of those skilled in the art, which belongs to the public knowledge in the art, and only the use is described, without modification, so the control mode and circuit connection are not described in detail.
[0051] Specifically, referring to Figure 1 and Figure 4 , the linear conveying assembly 3 further comprises two bearing seats 35 arranged on the upper end face of the machining plate 2, the bearing seats 35 are provided with bearing members, and the first threaded lead screw 36 is rotatably arranged between the two bearing seats 35. The first threaded lead screw 36 is externally meshed with the first screw nut 37, and the first screw nut 37 is connected with the moving table 34.
[0052] In the embodiment, when the first threaded lead screw 36 rotates, the first screw nut 37 meshed outside the first threaded lead screw 36 can drive the moving table 34 to move linearly, and the linear bearing member 33 arranged outside the light pole 32 can ensure the stability of the moving table 34 during linear movement.
[0053] Specifically, referring to Figure 4 , the first reciprocating motor 38 is installed on the upper end face of the machining plate 2, and the output end of the first reciprocating motor 38 is connected with one end of the first threaded lead screw 36.
[0054] In the embodiment, the first reciprocating motor 38 is arranged to drive the bearing seat 35 to rotate.
[0055] Specifically, referring to Figures 1-3 , the limiting plate 43 is vertically arranged between the two adjusting seats 42; the ball bearing 44 is assembled on the limiting plate 43, the ball bearing 44 is rotatably connected with the second threaded lead screw 45, the second threaded lead screw 45 is externally meshed with the second screw nut 46, and the second screw nut 46 is externally sleeved with the moving block 47.
[0056] In the embodiment, the limiting plate 43 is arranged to install the ball bearing 44, so as to realize the installation of the second threaded lead screw 45; in use, when the second threaded lead screw 45 rotates forward and reversely, the second screw nut 46 meshed outside the second threaded lead screw 45 can drive the moving block 47 to move linearly in a reciprocating manner along the stroke range of the second threaded lead screw 45.
[0057] Specifically, referring to Figures 1-3 , the moving block 47 is vertically arranged between and connected with the two push plates 48; the clamping end plate 49 is provided with a notch on the side face, and the rubber pad 410 is embedded in the notch; the rubber pad 410 is arranged in a fan shape, and the edge wall thereof is in an arc shape.
[0058] In the embodiment, the moving block 47 is arranged to drive the two push plates 48 to move linearly, so that when the push plates 48 move, the clamping end plates 49 arranged at the ends of the push plates 48 can drive the rubber pad plates 410 to move synchronously.
[0059] Specifically, referring to Figures 1-3 , the bottom plate 41 is provided with a pipe support seat 430 on the side surface, and the pipe support seat 430 is provided with a side rubber plate 440 protruding on one side and vertically installed.
[0060] In the embodiment, the pipe support seat 430 is arranged to preliminarily bear the construction engineering pipe, and in the preferred embodiment, as shown in the embodiment Figure 2 , the pipe support seat 430 is further provided with a semicircular bearing groove.
[0061] Further, the side rubber plate 440 and the rubber pad plate 410 are arranged oppositely, and in use, the pipe support seat 430 can cooperate with the rubber pad plate 410 to clamp the construction engineering pipe, and the two have soft textures, which can ensure that the construction engineering pipe is not damaged during clamping.
[0062] Specifically, referring to Figures 1-3 , the limiting plate 43 is provided with a second reciprocating motor 420 on one side; and the output end of the second reciprocating motor 420 is connected with one end of the second screw lead screw 45.
[0063] In the embodiment, the second reciprocating motor 420 is arranged to drive the second screw lead screw 45 to rotate forward and backward, and in use, the second reciprocating motor 420 is connected with an external power supply and a motor controller, so that the second screw lead screw 45 can rotate under the drive of the second reciprocating motor 420.
[0064] Further, the power connection modes of the second reciprocating motor 420 and the first reciprocating motor 38 are prior art, and the controller and the control circuit can be realized through simple programming by the person skilled in the art, which is the common knowledge in the field, and only the use is described, without modification, so the control mode and the circuit connection are not described in detail.
[0065] The building structure engineering punching device of the building structure engineering punching device:
[0066] The first step: when the user uses the punching device and punches the pipe for construction, first drive the linear transmission assembly 3, so that the moving table 34 in the linear transmission assembly 3 is in linear motion, and then drive the pipe for construction clamping assembly 4 to move linearly through the moving table 34, when the pipe for construction clamping assembly 4 is away from the punching area of the electric punching device body 5, the user can place the pipe for construction on the pipe for construction clamping assembly 4, so as to clamp and limit the pipe for construction by the pipe for construction clamping assembly 4, when the pipe for construction clamping assembly 4 completes the limiting of the pipe for construction, the user drives the linear transmission assembly 3 again, so that the moving table 34 drives the pipe for construction clamping assembly 4 to move to the punching area below the electric punching device body 5, and then the electric punching device body 5 can be driven to realize stable punching operation of the pipe for construction.
[0067] The second step: when the user adjusts the pipe for construction clamping assembly 4 to punch the pipe for construction, first support the pipe for construction to be punched on the pipe support seat 430, and make it on the arc groove on the pipe support seat 430, at this time the pipe for construction can be preliminarily supported by the pipe support seat 430, then connect the second reciprocating motor 420 to the external power supply and connect the motor controller, so that the second screw rod 45 can be rotated by the driving of the second reciprocating motor 420, when the second screw rod 45 rotates forward and reversely, the second screw rod nut 46 engaged outside the second screw rod 45 can drive the moving block 47 to move linearly along the stroke range of the second screw rod 45.
[0068] The third step: when the moving block 47 is in linear motion, the clamping end plate 49 provided at the end of the push plate 48 can drive the rubber pad plate 410 to move synchronously through the connection of the push plate 48 and the moving block 47, at this time the user drives the moving block 47 to move to one side of the side rubber plate 440, until the pipe for construction on the pipe support seat 430 can be tightly clamped by the side rubber plate 440 and the rubber pad plate 410, at this time the pipe for construction can be stably clamped by adjusting the pipe for construction clamping assembly 4.
[0069] The utility model provides a kind of punching device for building structure engineering belongs to building structure engineering field, including punching processing platform;Punching processing platform upper end surface is equipped with processing plate, and processing plate upper end surface is equipped with linear conveying component;Linear conveying component is assembled and is provided with building engineering pipe fitting clamping assembly on it.The punching device for building structure engineering of the utility model, the clamping of building engineering pipe fitting clamping assembly to building engineering pipe fitting, can effectively prevent building engineering pipe fitting from displacement or rotation in punching process, simultaneously by the clamping spacing adjustment in building engineering pipe fitting clamping assembly, so that the punching device of the utility model can also adapt to different diameters of building engineering pipe fitting, when pipe fitting is punched, linear conveying component can be driven, so that building engineering pipe fitting clamping assembly drives pipe fitting to be far away from the punching area of electric punching equipment ontology, so that artificial intervention can be reduced, and operation efficiency and operation safety are improved.
[0070] The above embodiment is only one of the preferred embodiments of the utility model, and should not be used to limit the protection scope of the utility model. Any modification or polishing made within the main design idea and spirit of the utility model without substantial meaning, and the technical problems solved are still consistent with the utility model, should be included in the protection scope of the utility model.
Claims
1. A punching device for building construction engineering, comprising a punching worktable (1), characterized in that: The punching processing table (1) upper end face is provided with a processing plate (2), and the processing plate (2) upper end face is provided with a linear conveying assembly (3); the linear conveying assembly (3) is provided with a construction engineering pipe fitting clamping assembly (4); Wherein, the linear conveying assembly (3) includes four rod seats (31) provided on the upper end face of the processing plate (2), the four rod seats (31) are arranged in a rectangular distribution, and adjacent two rod seats (31) are jointly provided with a light pole (32), the outer part of the two light poles (32) is slidably provided with a linear bearing (33), and the upper end faces of the two linear bearings (33) are jointly provided with a moving table (34); The construction engineering pipe fitting clamping assembly (4) includes a bottom plate (41) provided on the top of the moving table (34), and the bottom plate (41) is vertically provided with two adjusting seats (42) on the upper end face; the two adjusting seats (42) are arranged in parallel and have a spacing therebetween; Two pushing plates (48) are slidably arranged between the two adjusting seats (42), and the two pushing plates (48) are arranged on one side of each adjusting seat (42) and are in close contact with each other; and the ends of the two pushing plates (48) are jointly connected with a clamping end plate (49).
2. The perforating device of claim 1, wherein: The upper end face of the processing plate (2) is also provided with an electric punching device body (5).
3. The perforating device of claim 1, wherein: The linear conveying assembly (3) further includes two bearing seats (35) provided on the upper end face of the processing plate (2), bearing members are arranged in the two bearing seats (35), a first threaded lead screw (36) is rotatably arranged between the two bearing seats (35), a first screw nut (37) is engaged with the outer part of the first threaded lead screw (36), and the first screw nut (37) is connected with the moving table (34).
4. The perforating device of claim 3, wherein: The upper end face of the processing plate (2) is also provided with a first reciprocating motor (38), and the output end of the first reciprocating motor (38) is connected with one end of the first threaded lead screw (36).
5. The perforating device of claim 1, wherein: A limiting plate (43) is vertically arranged between the two adjusting seats (42); a ball bearing (44) is arranged on the limiting plate (43), a second threaded lead screw (45) is rotatably connected with the ball bearing (44), a second screw nut (46) is engaged with the outer part of the second threaded lead screw (45), and a moving block (47) is arranged on the outer part of the second screw nut (46).
6. The perforating device of claim 5, wherein: The moving block (47) is vertically arranged between the two pushing plates (48) and is connected with the pushing plates (48); a notch is formed in the side surface of the clamping end plate (49), and a rubber pad (410) is embedded in the notch; the rubber pad (410) is arranged in a fan shape, and the side wall thereof is in an arc shape.
7. The perforating device of claim 1, wherein: A pipe supporting seat (430) is connected to the side surface of the bottom plate (41), the pipe supporting seat (430) protrudes from one side and is vertically installed with a side rubber plate (440), and the side rubber plate (440) is arranged opposite to the rubber pad (410) and parallel to the rubber pad (410).
8. The perforating device of claim 5, wherein: One side of the limiting plate (43) is provided with a second reciprocating motor (420); the output end of the second reciprocating motor (420) is connected with one end of the second screw rod (45).