CN217006308U

CN217006308U - Transmission device for screw-nut structure

Info

Publication number: CN217006308U
Application number: CN202122798954.XU
Authority: CN
Inventors: 朱云辉
Original assignee: Wuxi Xianghui Screw Rod Manufacturing Co ltd
Current assignee: Wuxi Xianghui Screw Rod Manufacturing Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-07-19
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of screw nuts, and discloses a transmission device for a screw nut structure, which comprises a supporting seat, wherein screw rods are arranged on the left side and the right side in the supporting seat, a driving motor is arranged at the bottom of the supporting seat, a transmission shaft of the driving motor is connected with a test screw rod, driven wheels are arranged on the outer side walls of the test screw rod and the screw rods, a chain belt is arranged on the outer side surface of each driven wheel, a fixing frame is arranged on the upper part of the supporting seat, the rear side of the fixing frame is connected with the screw rods, a clamping groove is formed in the front side of the fixing frame, a placing groove is formed in the upper part of the supporting seat, and a first spring is connected in the placing groove. The auxiliary nut can better perform collection work after testing.

Description

Transmission device for screw-nut structure

Technical Field

The utility model belongs to the technical field of feed screw nuts, and particularly relates to a transmission device for a feed screw nut structure.

Background

The nut is divided into carbon steel, stainless steel, nonferrous metal (such as copper) and other types according to different materials of an element which is necessary for manufacturing machinery, and the ball screw is an ideal product for converting rotary motion into linear motion or converting the linear motion into rotary motion; the ball screw is the most commonly used transmission element on tool machinery and precision machinery, has the main function of converting rotary motion into linear motion or converting torque into axial repeated acting force, and has the characteristics of high precision, reversibility and high efficiency; because of having very little frictional resistance, the ball screw is widely used in various industrial equipment and precision instruments; the ball screw consists of a screw, a nut, a steel ball, a prepressing sheet, an inverter and a dust remover; its function is to convert the rotary motion into linear motion, which is a further extension and development of the acme screw, and the important meaning of the development is to change the bearing from sliding motion to rolling motion.

The invention with the serial number of CN201822157961.X provides a stable transmission structure of a steel transmission nut, and the device comprises a transmission nut 1; 2. a screw; 3. a fixing plate; 4. a drive shaft; 5. servo motor isotructure, what the device drive nut can be accurate moves along established track to make drive nut when removing, can avoid the influence that factors such as vibrations caused, add man-hour to precision part, the error is littleer, but the device is when removing, can lead to producing the slope because of the back-and-forth movement of nut, makes the nut card die, makes the unable fine test work that carries on of the device, for this reason, we provide a transmission for screw-nut structure.

SUMMERY OF THE UTILITY MODEL

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides the transmission device for the screw-nut structure, which effectively solves the problem that the device cannot perform test work well due to the fact that the nut is clamped because the nut tilts due to the back and forth movement when the nut moves.

In order to achieve the purpose, the utility model provides the following technical scheme: the utility model provides a transmission for screw-nut structure, includes the supporting seat, the inside left and right sides of supporting seat all is provided with the screw rod, driving motor is installed to the bottom of supporting seat, driving motor's transmission shaft is connected with the test lead screw, the lateral wall of test lead screw and screw rod all is provided with from the driving wheel, the lateral surface from the driving wheel is provided with the chain belt, the upper portion of supporting seat is provided with the mount, the rear side of mount with the screw rod is connected, the joint groove has been seted up to the front side of mount, the standing groove has been seted up on the upper portion of supporting seat, the internal connection of standing groove has first spring, the bottom of first spring is connected with the kicking block, the upper portion of kicking block is connected with a piece, the upper portion of a piece runs through the upper portion of supporting seat.

Preferably, the upper part of the supporting seat is provided with a position limiting groove, the outer side wall of the supporting block is fixedly connected with a position limiting block, and the shape and size of the position limiting block are matched with those of the position limiting groove.

Preferably, a bolt groove is formed in the rear side of the fixing frame, and the screw is in threaded connection with the fixing frame through the bolt groove.

Preferably, the front side of supporting seat is provided with the fixed block, the internally mounted of fixed block has the joint bearing, the test lead screw passes through the joint bearing to be fixed in the inside of fixed block, driving motor's conveying axle fixed connection be in the inside of joint bearing.

Preferably, the front side and the rear side of the screw rod are fixedly connected with bearings, and the screw rod is connected with the inside of the supporting seat through the bearings.

Preferably, the left and right sides of joint inslot portion all is provided with the second spring, the other end fixedly connected with grip block of second spring, the shape of grip block is the hemisphere setting.

Compared with the prior art, the utility model has the beneficial effects that:

1. the nut is adjusted through the sliding of the fixing frame, so that the fixing frame synchronously slides downwards when the nut slides in a test mode, the position of the nut can be better limited, the nut is prevented from rotating synchronously, the nut can be effectively tested, some malformed nuts can be effectively ejected, the nut can be reversely ejected through the reverse rotation of the driving motor, and the nut is assisted to better collect after the test;

2. The second spring and the clamping block are arranged, so that the clamping work can be performed on the nut through the clamping block, the co-rotation phenomenon of the nut is prevented, the clamping block can be buffered and reset through the arrangement of the second spring, and the auxiliary clamping block performs position limiting work on the nut;

3. through rotating a piece, adjust the position of position limiting block for position limiting block and the position limiting groove looks joint on supporting seat upper portion make fixed position limiting block, thereby the position of fixed branch, thereby the position to a piece bottom kicking block is injectd.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the principles of the utility model and not to limit the utility model.

In the drawings:

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

FIG. 2 is a schematic diagram of a position limiting block according to the present invention;

FIG. 3 is a schematic view of the fixing frame of the present invention;

fig. 4 is a schematic view of the fixing block according to the present invention.

In the figure: 100. a supporting seat; 101. a position defining slot; 102. a fixed block; 103. clamping a bearing; 110. a screw; 111. a bearing; 120. a drive motor; 130. testing the screw rod; 140. a driven wheel; 150. a chain belt; 160. a fixed mount; 161. a bolt slot; 170. a clamping groove; 171. a second spring; 172. a clamping block; 180. a placement groove; 190. a first spring; 200. a top block; 210. supporting a block; 211. a location defining block.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be obtained by a person skilled in the art without making any creative effort based on the embodiments in the present invention, belong to the protection scope of the present invention.

In a first embodiment, as shown in fig. 1, fig. 2, fig. 3, and fig. 4, a transmission device for a screw nut structure includes a supporting seat 100, screws 110 are disposed on both left and right sides inside the supporting seat 100, a driving motor 120 is mounted at the bottom of the supporting seat 100, a transmission shaft of the driving motor 120 is connected to a test screw 130, driven wheels 140 are disposed on outer sidewalls of the test screw 130 and the screws 110, a chain belt 150 is disposed on an outer lateral surface of each of the driven wheels 140, a fixing frame 160 is disposed on an upper portion of the supporting seat 100, a rear side of the fixing frame 160 is connected to the screws 110, a clamping groove 170 is disposed on a front side of the fixing frame 160, a placement groove 180 is disposed on an upper portion of the supporting seat 100, a first spring 190 is connected to an inner portion of the placement groove 180, a top block 200 is connected to a bottom of the first spring 190, a support block 210 is connected to an upper portion of the top block 200, and an upper portion of the support block 210 penetrates through an upper portion of the supporting seat 100.

In the second embodiment, as shown in fig. 2, a position-defining groove 101 is formed in the upper portion of the supporting seat 100, a position-defining block 211 is fixedly connected to the outer side wall of the supporting block 210, the shape and size of the position-defining block 211 match those of the position-defining groove 101, and the position of the position-defining block 211 can be adjusted by rotating the supporting block 210, so that the position-defining block 211 is engaged with the position-defining groove 101 in the upper portion of the supporting seat 100, and the position-defining block 211 is fixed to fix the position of the supporting block 210, thereby defining the position of the top block 200 at the bottom of the supporting block 210.

In the third embodiment, as shown in fig. 3, a bolt slot 161 is formed at the rear side of the fixing frame 160, the screw 110 is screwed with the fixing frame 160 through the bolt slot 161, and the screw 110 is screwed in the fixing frame 160 better through the bolt slot 161, so that the position of the fixing frame 160 can be adjusted better when the screw 110 rotates.

In a fourth embodiment, as shown in fig. 4, a fixing block 102 is disposed at the front side of the supporting seat 100, a clamping bearing 103 is disposed inside the fixing block 102, the test screw 130 is fixed inside the fixing block 102 through the clamping bearing 103, a transmission shaft of the driving motor 120 is fixedly connected inside the clamping bearing 103, the fixing block 102 and the clamping bearing 103 are disposed, so that the position of the test screw 130 can be limited, the test screw 130 is prevented from being shifted when rotating, the clamping bearing 103 can be driven to rotate by the rotation of the driving motor 120, the test screw 130 is driven to rotate, and the test screw 130 is assisted to work better.

In the fifth embodiment, as shown in fig. 1, bearings 111 are fixedly connected to front and rear sides of the screw 110, the screw 110 is connected to the inside of the supporting base 100 through the bearings 111, and the bearings 111 are provided to better fix the screw 110 inside the supporting base 100, thereby assisting the screw 110 to better work and preventing the position of the screw 110 from shifting.

Sixth embodiment, given by fig. 3, the inside left and right sides in joint groove 170 all is provided with second spring 171, the other end fixedly connected with grip block 172 of second spring 171, the shape of grip block 172 is the hemisphere setting, through being provided with second spring 171 and grip block 172, accessible grip block 172 carries out centre gripping work to the nut, prevent that the nut from producing the same rotation phenomenon, through being provided with second spring 171, can cushion the reset to grip block 172, supplementary grip block 172 carries out position limited work to the nut.

The working principle is as follows: the nut is placed in the placing groove 180, the position of the nut can be limited, the nut can be ejected out by arranging the top block 200, the position of the nut is limited, the top block 200 can be buffered and reset by arranging the first spring 190, the top block 200 is assisted to better eject the nut to the inside of the clamping groove 170 at the front side of the fixing frame 160, so that the clamping groove 170 limits the position of the nut, the testing screw 130 is driven to rotate by operating the driving motor 120, the nut is driven to carry out transmission testing work by driving the rotation of the driving motor 120, the screw 110 is driven to rotate when the testing screw 130 rotates by arranging the driven wheel 140 and the chain belt 150, the position of the fixing frame 160 is adjusted by the rotation of the screw 110, the fixing frame 160 slides downwards, and the position of the nut is adjusted by the sliding of the fixing frame 160, the fixing frame 160 can slide downwards synchronously when the nut slides in a test mode, the position of the nut can be better limited, the nut is prevented from rotating synchronously, the nut can be effectively tested, ejection work can be effectively carried out on some malformed nuts, the nut can be reversely ejected through the reverse rotation of the driving motor 120, and the nut is assisted to better collect work after the test.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

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

Claims

1. A transmission device for a screw-nut structure is characterized in that: the device comprises a supporting seat (100), wherein screw rods (110) are arranged on the left side and the right side inside the supporting seat (100), a driving motor (120) is installed at the bottom of the supporting seat (100), a transmission shaft of the driving motor (120) is connected with a testing screw rod (130), driven wheels (140) are arranged on the outer side walls of the testing screw rod (130) and the screw rods (110), a chain belt (150) is arranged on the outer side surface of each driven wheel (140), a fixing frame (160) is arranged on the upper portion of the supporting seat (100), the rear side of the fixing frame (160) is connected with the screw rods (110), a clamping groove (170) is formed in the front side of the fixing frame (160), a placing groove (180) is formed in the upper portion of the supporting seat (100), a first spring (190) is connected inside the placing groove (180), and a top block (200) is connected to the bottom of the first spring (190), the upper portion of kicking block (200) is connected with a piece (210), the upper portion of piece (210) runs through the upper portion of supporting seat (100).

2. A drive for a feed screw nut arrangement as claimed in claim 1, wherein: the upper part of the supporting seat (100) is provided with a position limiting groove (101), the outer side wall of the supporting block (210) is fixedly connected with a position limiting block (211), and the shape and size of the position limiting block (211) are matched with those of the position limiting groove (101).

3. A drive for a feed screw nut arrangement as claimed in claim 1, wherein: the rear side of the fixed frame (160) is provided with a bolt groove (161), and the screw rod (110) is in threaded connection with the fixed frame (160) through the bolt groove (161).

4. A transmission for a feed screw nut arrangement as claimed in claim 1, characterized in that: the front side of supporting seat (100) is provided with fixed block (102), the internally mounted of fixed block (102) has joint bearing (103), test lead screw (130) are fixed in the inside of fixed block (102) through joint bearing (103), the conveying axle fixed connection of driving motor (120) is in the inside of joint bearing (103).

5. A transmission for a feed screw nut arrangement as claimed in claim 1, characterized in that: the front side and the rear side of the screw rod (110) are fixedly connected with bearings (111), and the screw rod (110) is connected with the inside of the supporting seat (100) through the bearings (111).

6. A drive for a feed screw nut arrangement as claimed in claim 1, wherein: the inside left and right sides in joint groove (170) all is provided with second spring (171), the other end fixedly connected with grip block (172) of second spring (171), the shape of grip block (172) is the hemisphere setting.