Low-noise lead screw movement damping device

Abstract

The utility model provides a low noise lead screw motion damping device, including the placing plate, the top of placing plate is provided with the noise reduction mechanism, the noise reduction mechanism includes connecting block, protection plate, sound insulation layer and screw, the inside of connecting block is fixedly connected to the outside of placing plate, the bottom of protection plate is movably connected to the top of placing plate, and the screw is connected to the inside of the connecting block. The interior of the sound insulation layer is fixedly connected to the inner side of a protection plate, the rear side of the screw rod penetrates through a connecting block and extends into the protection plate, a fixing groove is formed in the surface of the protection plate, the rear side of the screw rod is movably connected to the interior of the fixing groove, and a supporting rod is fixedly connected to the top of the placement plate. When the screw rod is used, noise generated by the screw rod is adsorbed through the sound absorption layer, the noise is isolated by the protection plate, the noise is prevented from being transmitted outwards, the stability is improved, the fixing groove is formed, the screw rod is accurately inserted into the fixing groove when the screw rod is inserted and fixed, and the protection plate is prevented from loosening.

Description

TECHNICAL FIELD

[0001] The utility model relates to a low noise screw rod movement damping device belongs to damping device technical field. BACKGROUND

[0002] In various industrial equipment and precision instruments, in order to reach higher precision and realize the control requirement of automation, mostly adopt screw rod transmission device as driving mechanism, it is through the rotation of screw rod and drives the movement of nut, converts the rotation on guide rail into linear motion.

[0003] The authorized announcement number (CN207539287U) discloses a screw rod, aims at providing a kind of screw rod that can be positioned;Including screw rod body and connecting rod, the one end of the screw rod body is the threaded portion with external thread, the other end of the screw rod body is connected with connecting rod;One or two stop blocks are provided on the screw rod body, buffer washer is provided on the stop block, two to four mounting holes are provided on the stop block.The screw rod can be installed in different positions and has buffering function.

[0004] But because screw rod in rotation process, screw rod will produce a large amount of noise, because noise is large to affect personnel operation, and the noise is due to the vibration of screw rod, long time use can affect screw rod precision and processing efficiency.

[0005] Therefore, a low noise screw rod movement damping device is proposed. UTILITY MODEL CONTENTS

[0006] Therefore, the utility model provides a low noise screw rod movement damping device to solve or alleviate the technical problems in the prior art, at least to provide a beneficial choice.

[0007] The technical scheme of the utility model is as follows: a low noise screw rod movement damping device, including placing plate, the top of placing plate is provided with noise reduction mechanism, the noise reduction mechanism includes connecting block, protective plate, sound insulation layer and screw rod, the inside of connecting block is fixedly connected to the outside of placing plate, the bottom of protective plate is movably connected to the top of placing plate, the inside of sound insulation layer is fixedly connected to the inside of protective plate, the back of screw rod extends to the inside of protective plate through connecting block.

[0008] Further preferably, the surface of the protective plate is provided with a fixing groove, and the back of the screw rod is movably connected to the inside of the fixing groove.

[0009] Further preferably, the top of the placing plate is fixedly connected with a supporting rod, the surface of the supporting rod is provided with a movable slot, and the inside of the movable slot is movably connected with a fixing ring.

[0010] Further preferably, the outer side of the fixed ring is movably connected to the inner side of the movable groove, and a screw rod is movably connected to the inner side of the fixed ring.

[0011] Further preferably, the bottom of the fixed ring is fixedly connected with a compression spring, and the bottom of the compression spring is fixedly connected to the inner side of the movable groove.

[0012] Further preferably, the top of the placing plate is fixedly connected with a damping mechanism, the damping mechanism comprises a fixed plate, a connecting rod, a movable block, an inclined rod and a fixed block, the bottom of the fixed plate is fixedly connected to the top of the placing plate, the outer side of the connecting rod is fixedly connected to the inner side of the fixed plate, the movable block is sleeved on the surface of the connecting rod, the bottom of the inclined rod is movably connected to the top of the movable block, the top of the inclined rod is movably connected to the bottom of the fixed block, and the fixed block is sleeved on the surface of the screw rod.

[0013] Further preferably, the inner side of the fixed plate is fixedly connected with a compression spring, and the compression spring is sleeved on the surface of the connecting rod and fixedly connected to the outer side of the movable block.

[0014] The embodiment of the utility model has the following advantages due to the adoption of the above technical scheme.

[0015] Firstly, the utility model discloses a noise reduction mechanism, when the screw rod is used, the noise generated by the screw rod is adsorbed by the sound absorption layer, the protective plate isolates the noise, prevents the noise from being transmitted to the outside, increases stability, the fixed groove is arranged, when the screw rod is inserted and fixed, the screw rod is accurately inserted into the inside of the fixed groove, and the protective plate is prevented from loosening.

[0016] Secondly, the utility model discloses a damping mechanism, when the screw rod moves, the fixed block moves downwards, the fixed block pushes the inclined rod to move to the outer side, absorbs and buffers the vibration, guarantees normal use of the screw rod, prevents excessive vibration from causing damage, the compression spring is arranged, when the vibration is absorbed, the damping efficiency is improved.

[0017] The above summary is only for the purpose of the description and is not intended to limit in any way. In addition to the above-described illustrative aspects, embodiments and features, further aspects, embodiments and features will be readily apparent from the drawings and detailed description that follows. BRIEF DESCRIPTION OF DRAWINGS

[0018] In order to more clearly illustrate the technical solutions of the embodiments of the present application or the prior art, the drawings needed to be used in the embodiments or the prior art description will be briefly introduced below. Obviously, the drawings in the following description are only some embodiments of the present application, and those skilled in the art can also obtain other drawings according to these drawings without creating any creative labor.

[0019] Figure 1 It is a three-dimensional front view structure schematic diagram of the utility model;

[0020] Figure 2 It is a protective plate bottom structure schematic diagram of the utility model;

[0021] Figure 3 It is a placement plate structure schematic diagram of the utility model;

[0022] Figure 4 It is a damping mechanism structure schematic diagram of the utility model;

[0023] Figure 5 It is a compression spring structure schematic diagram of the utility model.

[0024] Reference signs: 1, placement plate; 2, noise reduction mechanism; 201, connecting block; 202, protective plate; 203, sound insulation layer; 204, screw rod; 3, fixed groove; 4, support rod; 5, movable groove; 6, fixed ring; 7, screw rod; 8, compression spring; 9, damping mechanism; 901, fixed plate; 902, connecting rod; 903, movable block; 904, inclined rod; 905, fixed block; 10, compression spring. DETAILED DESCRIPTION

[0025] In the following, only certain exemplary embodiments are simply described. As those skilled in the art can recognize, the described embodiments can be modified in various different ways without departing from the spirit or scope of the utility model. Therefore, the drawings and the description are considered to be essentially exemplary rather than limiting.

[0026] The embodiments of the utility model will be described in detail below in combination with the drawings.

[0027] Embodiment 1

[0028] As Figures 1-3As shown, the utility model embodiment provides a low noise screw rod movement damping device, including placing plate 1, the top of placing plate 1 is provided with noise reduction mechanism 2, noise reduction mechanism 2 includes connecting block 201, guard plate 202, sound insulation layer 203 and screw rod 204, the inside fixed connection of connecting block 201 is in the outside of placing plate 1, the top of guard plate 202 is movably connected in the top of placing plate 1, the inside fixed connection of sound insulation layer 203 is in the inside of guard plate 202, the rear side of screw rod 204 extends to the inside of guard plate 202 through connecting block 201, the surface of guard plate 202 is equipped with fixed groove 3, the rear side of screw rod 204 is movably connected in the inside of fixed groove 3, the top of placing plate 1 is fixedly connected with support rod 4, the surface of support rod 4 is equipped with movable slot 5, movable slot 5 is movably connected with fixed ring 6 in the inside, the outside of fixed ring 6 is movably connected in the inside of movable slot 5, fixed ring 6 is movably connected with screw rod 7 in the inside, the bottom of fixed ring 6 is fixedly connected with compression spring 8, the bottom of compression spring 8 is fixedly connected in the inside of movable slot 5.

[0029] Through noise reduction mechanism 2, when using screw rod 7, the noise generated by screw rod 7 is adsorbed by the sound-absorbing layer, the guard plate 202 isolates the noise to prevent it from being transmitted to the outside, and the stability is increased, by setting the fixed groove 3, the screw rod 204 is accurately inserted into the inside of the fixed groove 3 when being inserted and fixed, and the guard plate 202 is prevented from loosening.

[0030] Embodiment 2

[0031] As Figures 4-5 shown, in one embodiment, the top of placing plate 1 is fixedly connected with damping mechanism 9, damping mechanism 9 includes fixed plate 901, connecting rod 902, movable block 903, inclined rod 904 and fixed block 905, the bottom of fixed plate 901 is fixedly connected to the top of placing plate 1, the outside of connecting rod 902 is fixedly connected to the inside of fixed plate 901, movable block 903 is sleeved on the surface of connecting rod 902, the bottom of inclined rod 904 is movably connected to the top of movable block 903, the top of inclined rod 904 is movably connected to the bottom of fixed block 905, fixed block 905 is sleeved on the surface of screw rod 7, the inside of fixed plate 901 is fixedly connected with compression spring 10, compression spring 10 is sleeved on the surface of connecting rod 902, the inside of compression spring 10 is fixedly connected to the outside of movable block 903.

[0032] Through damping mechanism 9, when screw rod 7 moves, fixed block 905 moves downward, fixed block 905 pushes inclined rod 904 to move outward to absorb and buffer the vibration, ensure normal use of screw rod 7, prevent excessive vibration from causing damage, by setting compression spring 10, improve damping efficiency when absorbing vibration.

[0033] The utility model discloses a protection plate 202 is placed at the top of placing plate 1 in working, and is fixed through bolt, when the vibration of screw rod 7, screw rod 7 drives fixed block 905 to move down, and fixed block 905 promotes inclined rod 904 to move to the outside, and inclined rod 904 promotes movable block 903 to move to the outside, and movable block 903 is compressed to compression spring 10 when moving to the outside, and the vibration potential energy is absorbed and is buffered, guarantees the normal use when the movement of screw rod 7.

[0034] The above is only the specific implementation of the utility model, but the protection scope of the utility model is not limited to this, and anyone skilled in the art can easily think of various changes or replacements within the technical range disclosed by the utility model, and these should be covered in the protection scope of the utility model. Therefore, the protection scope of the utility model should be limited to the protection scope of the claims.

Claims

1. A low noise anti-vibration device for a screw drive, comprising a placement plate (1), characterized in that: The top of the placement plate (1) is provided with a noise reduction mechanism (2), the noise reduction mechanism (2) comprises a connecting block (201), a protective plate (202), a sound insulation layer (203) and a screw rod (204), the inside of the connecting block (201) is fixedly connected to the outside of the placement plate (1), the bottom of the protective plate (202) is movably connected to the top of the placement plate (1), the inside of the sound insulation layer (203) is fixedly connected to the inside of the protective plate (202), and the rear side of the screw rod (204) extends through the connecting block (201) to the inside of the protective plate (202).

2. A low noise anti-backlash device for a screw drive according to claim 1, wherein: The surface of the protective plate (202) is provided with a fixed groove (3), and the rear side of the screw rod (204) is movably connected to the inside of the fixed groove (3).

3. A low noise anti-backlash device for a screw drive as claimed in claim 1, wherein: The top of the placement plate (1) is fixedly connected with a supporting rod (4), the surface of the supporting rod (4) is provided with a movable groove (5), and the inside of the movable groove (5) is movably connected with a fixed ring (6).

4. A low noise anti-backlash device for a screw drive according to claim 3, wherein: The outside of the fixed ring (6) is movably connected to the inside of the movable groove (5), and the inside of the fixed ring (6) is movably connected with a lead screw (7).

5. A low noise anti-backlash device for a screw drive as claimed in claim 4, wherein: The bottom of the fixed ring (6) is fixedly connected with a compression spring (8), and the bottom of the compression spring (8) is fixedly connected to the inside of the movable groove (5).

6. A low noise anti-backlash device for a screw drive as claimed in claim 3, wherein: The top of the placement plate (1) is fixedly connected with a damping mechanism (9), the damping mechanism (9) comprises a fixed plate (901), a connecting rod (902), a movable block (903), an inclined rod (904) and a fixed block (905), the bottom of the fixed plate (901) is fixedly connected to the top of the placement plate (1), the outside of the connecting rod (902) is fixedly connected to the inside of the fixed plate (901), the movable block (903) is sleeved on the surface of the connecting rod (902), the bottom of the inclined rod (904) is movably connected to the top of the movable block (903), the top of the inclined rod (904) is movably connected to the bottom of the fixed block (905), and the fixed block (905) is sleeved on the surface of the lead screw (7).

7. A low noise anti-backlash device for a screw drive according to claim 6, wherein: The inside of the fixed plate (901) is fixedly connected with a compression spring (10), the compression spring (10) is sleeved on the surface of the connecting rod (902), and the inside of the compression spring (10) is fixedly connected to the outside of the movable block (903).

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