CN216326258U - Automatic machine for threading spring and screwing - Google Patents

Abstract

The utility model belongs to the field of electromechanical integration, and discloses a spring threading and screwing automat which is used for assembling springs and screws and fixing screws of machined parts and comprises a spring feeding assembly, a screw feeding assembly and a screwing assembly, wherein the screwing assembly comprises a fixing frame, a screwing lifting assembly, an electric screwdriver assembly, a screw positioning block and a screw discharging assembly, the screwing lifting assembly is fixed on the fixing frame, the electric screwdriver lifting assembly, the screw positioning block and the screw discharging assembly are assembled on the screwing lifting assembly, and the screw positioning block is positioned right below the electric screwdriver assembly. The utility model has the beneficial effects that: this device easy operation, action are smooth, replace manual operation with the machine, have realized the automatic function of wearing the spring and beating the screw, promote the quality of product when subtracting the used manpower among the worker station, improve production efficiency and save manufacturing cost.

Description

Automatic machine for threading spring and screwing

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of mechanical and electrical integration, in particular to an automatic machine for threading a spring and screwing a screw.

[ background of the utility model ]

In the process of machine manufacturing, some workpieces often need to be fixed by springs and screws, and the prior art is wide in the range of adding jigs mainly through manual operation. Manual screwing generally refers to manually threading a screw through a spring and tightening the screw with a cross screwdriver. The speed of manually penetrating and screwing the spring is very low, the spring and the screw are not very convenient to be manually operated, and the spring and the screw need to be taken and placed by other tools, so that the working efficiency is lower. Manual work can only play a certain role in smaller manufacturing enterprises, and the scope and effect of solving the problem is too small. The manual operation is mainly produced by manual flow, the productivity is too low, the effect is different, the labor cost is high, and the main flow channel is difficult to enter. With the development of the automation industry, the current manual operation mode obviously cannot meet the requirements of the modern manufacturing industry, the development speed of an automatic control system is high, the positioning capability is strong, and the replacement of manual production operation by automatic production is inevitably the trend of industry development. The problem often appears when the manual work is beaten the screw, also has the condition that work efficiency is low, leads to gathering the during operation various problems that appear. The screw driving by using an automatic mechanism can be accurate and efficient, reduce the cost and reduce the number of workers and improve the efficiency. The automation has reduced a lot of labour costs for the enterprise, helps the enterprise improve working method, makes the more high-efficient, the more convenient production of enterprise. Therefore, there is a need for a threading spring and screwing robot, which can automatically perform threading spring operation and automatically screw the screw on the workpiece, and has high working efficiency and high processing quality of the workpiece.

[ Utility model ] content

The utility model discloses an automatic machine for threading a spring and screwing a screw, which can effectively solve the technical problems related to the background technology.

In order to achieve the purpose, the technical scheme of the utility model is as follows:

the automatic spring threading and screwing machine is used for assembling a spring and a screw and fixing the screw of a machined part, and comprises a spring feeding assembly, a screw feeding assembly and a screwing assembly, wherein the screw comprises a screw rod and a nut, and the diameter of the nut is larger than that of the screw rod;

the spring feeding assembly comprises a vibrating disc, a spring flow passage, a spring lifting base, a spring correcting and shifting assembly and an elastic positioning piece, the spring correcting and shifting assembly and the elastic positioning piece are assembled on the spring lifting base, the vibrating disc conveys springs to the spring correcting and shifting assembly through the spring flow passage, and the spring correcting and shifting assembly is used for conveying the springs to the elastic positioning piece;

the screw driving assembly comprises a fixing frame, a screw driving lifting assembly, an electric screwdriver assembly, a screw positioning block and a screw discharging assembly, the screw driving lifting assembly is fixed on the fixing frame, the electric screwdriver lifting assembly, the screw positioning block and the screw discharging assembly are assembled on the screw driving lifting assembly, the electric screwdriver assembly is assembled on the electric screwdriver lifting assembly, the screw positioning block is located under the electric screwdriver assembly, a first channel and a second channel communicated with the first channel are arranged in the screw positioning block, the first channel is arranged in the vertical direction and is used for a screwdriver head channel of the electric screwdriver assembly, and the screw discharging assembly is arranged at an outlet at the bottom of the first channel;

the screw feeding assembly is connected with the second channel and conveys screws to the outlet through the second channel, the screw discharging assembly is used for controlling the release of the screws, the elastic positioning piece is located under the screw discharging assembly and used for accommodating springs and the screws, the electric screwdriver assembly extrudes the screws downwards to separate the springs and the screws from the elastic positioning piece, and the machined part is located under the elastic positioning piece.

As a preferred improvement of the present invention: the spring correcting and shifting assembly comprises a first bottom plate, a first moving plate, a first fixed plate and a first driving device, the first bottom plate is assembled on the spring lifting base, the first moving plate is movably assembled on the first bottom plate, the first fixed plate and the first driving device are fixed on the first bottom plate, the first driving device is used for driving the first moving plate to move along the horizontal direction, the first fixed plate is positioned above the first moving plate, a first through hole is formed in the first fixed plate along the vertical direction, the top of the first through hole is connected with the spring flow channel, a second through hole is formed in the first moving plate along the vertical direction, a third through hole is formed in the first bottom plate along the vertical direction, the elastic positioning piece is positioned under the third through hole, and the first through hole is positioned at the beginning of the stroke of the second through hole, the third through hole is positioned at the tail end of the stroke of the second through hole.

As a preferred improvement of the present invention: the screw feeding assembly comprises a screw feeding machine, a screw distributing and positioning assembly and a screw feeding channel, the screw feeding machine is used for conveying screws to the screw distributing and positioning assembly, the screw distributing and positioning assembly is used for conveying screws to the screw feeding channel, and the screw feeding channel is connected with the second channel.

As a preferred improvement of the present invention: the screw distributing and positioning assembly comprises a second bottom plate, a second fixed plate, a second movable plate and a second driving device, the second moving plate is movably assembled on the second bottom plate, the second fixed plate and the second driving device are fixed on the second bottom plate, the second fixing plate is provided with a sliding chute which vertically penetrates through the second fixing plate along the left-right direction, the diameter of the right side of the sliding chute is larger than the diameter of the screw and smaller than the diameter of the screw cap, the diameter of the left side of the sliding chute is not less than that of the screw cap, a feeding hole is arranged below the left side of the sliding chute of the second bottom plate, the feeding hole is communicated with the screw feeding channel, the screw feeder is used for conveying screws to the right side of the sliding chute, the second driving device drives the second moving plate to move so as to convey the screw from the right side of the chute to the left side of the chute.

As a preferred improvement of the present invention: and a clamping groove which penetrates through the second moving plate from top to bottom is formed in one side, close to the position of the sliding groove, of the second moving plate, the diameter of the clamping groove is not smaller than that of the screw cap, and the clamping groove and the sliding groove are matched to be used for moving screws.

As a preferred improvement of the present invention: the screw feed assembly further includes an air generator for delivering screws from the screw feed channel to the second channel.

As a preferred improvement of the present invention: the screw discharging assembly comprises a third driving device and a baffle, the third driving device is assembled on the screw driving lifting assembly, the baffle is assembled on the third driving device, the baffle is located at the outlet, and the third driving device drives the baffle to move so as to be used for opening and closing the outlet.

As a preferred improvement of the present invention: the elastic positioning piece comprises an accommodating column and an elastic piece, the accommodating column penetrates through a cavity in the vertical direction, a through groove communicated with the cavity is formed in the bottom of the side wall of the accommodating column, and the elastic piece is assembled in the through groove.

As a preferred improvement of the present invention: the elastic component with the quantity that leads to the groove is 4, and the one-to-one setting.

As a preferred improvement of the present invention: the elastic piece is a sponge block.

The utility model has the following beneficial effects:

1. the device is simple to operate and smooth in action, manual operation is replaced by a machine, the functions of automatically penetrating a spring and screwing a screw are realized, manpower used in a work station is reduced, the quality of a product is improved, the production efficiency is improved, and the production cost is saved;

2. the vibration disc and the screw feeder work to discharge materials, and the spring correction assembly and the electric screwdriver assembly are used for connecting and positioning the spring and the screw; the lifting assembly works to connect the positioned screw and the spring with the workpiece; the screwdriver component is pressed downwards to rotate, and the screw is screwed tightly.

[ description of the drawings ]

In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings needed to be used in the description of the embodiments are briefly introduced below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings can be obtained by those skilled in the art without inventive efforts, wherein:

FIG. 1 is a schematic structural view of an automatic spring threading and screwing machine according to the present invention;

FIG. 2 is a schematic diagram of the spring feed assembly of the present invention;

FIG. 3 is a schematic view of a spring calibration shift assembly according to the present invention;

FIG. 4 is a schematic structural view of an elastic positioning member according to the present invention;

FIG. 5 is a schematic view of a screw feeding assembly according to the present invention;

FIG. 6 is a schematic view of the structure of the chute of the present invention;

FIG. 7 is a schematic view of a card slot of the present invention;

FIG. 8 is a schematic structural view of a screwing assembly according to the present invention;

FIG. 9 is a schematic view of a screw positioning block according to the present invention.

In the figure: 100-spring feeding component, 101-vibrating disk, 102-spring flow channel, 103-spring lifting base, 104-spring correcting and shifting component, 141-first bottom plate, 142-first moving plate, 143-first fixing plate, 144-first driving device, 145-first through hole, 146-second through hole, 105-elastic positioning piece, 151-accommodating column, 152-elastic piece, 153-cavity, 154-through groove, 200-screw feeding component, 201-screw feeding machine, 202-screw distributing and positioning component, 221-second bottom plate, 222-second fixing plate, 223-second moving plate, 224-second driving device, 225-sliding groove, 226-feeding hole, 227-clamping groove and 203-screw feeding channel, 300-screwing component, 301-fixing frame, 302-screwing lifting component, 303-electric batch lifting component, 304-electric batch component, 305-screw positioning block, 351-first channel, 352-second channel, 353-outlet, 306-screw discharging component and 400-carrier platform.

[ detailed description ] embodiments

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the following 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 derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

It should be noted that all the directional indicators (such as up, down, left, right, front, and rear … …) in the embodiment of the present invention are only used to explain the relative position relationship between the components, the movement situation, etc. in a specific posture (as shown in the drawing), and if the specific posture is changed, the directional indicator is changed accordingly.

In addition, the descriptions related to "first", "second", etc. in the present invention are only for descriptive purposes and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In the description of the present invention, "a plurality" means at least two, e.g., two, three, etc., unless specifically limited otherwise.

In the present invention, unless otherwise expressly stated or limited, the terms "connected," "secured," and the like are to be construed broadly, and for example, "secured" may be a fixed connection, a removable connection, or an integral part; can be mechanically or electrically connected; they may be directly connected or indirectly connected through intervening media, or they may be connected internally or in any other suitable relationship, unless expressly stated otherwise. The specific meanings of the above terms in the present invention can be understood by those skilled in the art according to specific situations.

In addition, the technical solutions in the embodiments of the present invention may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, such a combination of technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1, the present invention provides a spring threading and screwing robot for assembling a spring and a screw and fixing the screw of a workpiece, comprising a spring feeding assembly 100, a screw feeding assembly 200, a screwing assembly 300 and a carrier table 400, wherein the carrier table 400 is located below the screwing assembly 300, the screw comprises a screw rod and a nut, and the diameter of the nut is larger than that of the screw rod. The spring feeding assembly 100 sequentially conveys the springs to the screwing assembly 300, the screw feeding assembly 200 sequentially conveys the screws to the screwing assembly 300, the screwing assembly 300 inserts the screws into the springs, then the springs and the screws are pressed down onto a workpiece on the carrier table 400, and then the screws are tightened.

Referring to fig. 2, the spring feeding assembly 100 includes a vibration plate 101, a spring flow passage 102, a spring lifting base 103, a spring calibration shift assembly 104 and an elastic positioning member 105, the spring calibration shift assembly 104 and the elastic positioning member 105 are assembled on the spring lifting base 103, the vibration plate 101 conveys a spring to the spring calibration shift assembly 104 through the spring flow passage 102, and the spring calibration shift assembly 104 is used for conveying the spring to the elastic positioning member 105. Specifically, the spring is deposited in vibration dish 101, through the effect of vibration dish 101, the spring gets into in proper order spring runner 102 moves to spring correction displacement assembly 104 department, spring correction displacement assembly 104 drives the spring and removes, with its removal to elastic positioning element 105 department. The elastic positioning member 105 temporarily stores the spring, and the screw is inserted into the spring at the elastic positioning member 105 by the action of the screw feeding assembly 200 and the screwing assembly 300. The spring lifting base 103 drives the elastic positioning piece 105 to move downwards, so that the screw is contacted with a workpiece. The screwing assembly 300 then presses the screw down, disengaging the screw and spring from the resilient retainer 105 and tightening the screw to the workpiece.

Referring to fig. 3, the spring correcting and shifting assembly 104 includes a first bottom plate 141, a first moving plate 142, a first fixing plate 143, and a first driving device 144, the first bottom plate 141 is assembled on the spring lifting base 103, the first moving plate 142 is movably assembled above the first bottom plate 141, the first fixing plate 143 and the first driving device 144 are fixed on the first bottom plate 141, the first driving device 144 is configured to drive the first moving plate 142 to move along the horizontal direction, the first fixing plate 143 is located above the first moving plate 142, the first fixing plate 143 is provided with a first through hole 145 along the vertical direction, the top of the first through hole 145 is connected to the spring runner 102, the first moving plate 142 is provided with a second through hole 146 along the vertical direction, the first bottom plate 141 is provided with a third through hole along the vertical direction, the elastic positioning element 105 is located right below the third through hole, the first through hole 145 is located at the beginning of the stroke of the second through hole 146, and the third through hole is located at the end of the stroke of the second through hole 146. Specifically, as shown in fig. 3, the third through hole (not shown) is located at the lower right of the first through hole 145. The first moving plate 142 is driven by the first driving device 144 (pneumatic cylinder) to move leftward, so that the second through hole 146 is located below the first through hole 145, and a spring falls into the second through hole 146. Subsequently, the first moving plate 142 moves rightward, so that the second through hole 146 is located above the third through hole, and the spring falls into the elastic positioning element 105 through the third through hole, thereby completing the one-time spring loading operation. The cooperation of the above structures enables the spring calibration shift assembly 104 to perform a spring loading operation one at a time, which ensures the stability and accuracy of the operation of the spring feeding assembly 100.

Referring to fig. 4, the elastic positioning element 105 includes a receiving column 151 and an elastic element 152, the receiving column 151 is provided with a cavity 153 extending through the receiving column in a vertical direction, a through groove 152 communicating with the cavity 153 is provided at the bottom of the sidewall of the receiving column 151, and the elastic element 152 is assembled at the through groove 152. In this embodiment, the number of the elastic members 152 and the number of the through grooves 152 are 4, and the elastic members 152 and the through grooves 152 are disposed in a one-to-one correspondence manner and are uniformly distributed along the circumferential direction of the accommodating posts 151. The elastic member 152 is a sponge block, and the elastic member 152 extends into the cavity 153. Specifically, the spring falls into the cavity 153, and is caught above the elastic member 152, so that the spring does not fall. The screw is inserted into the spring in the cavity 153, the screw driving assembly 300 presses the screw downward, the elastic member 152 is deformed by force, and the screw moves downward and is separated from the cavity 153.

Referring to fig. 5-6, the screw feeding assembly 200 includes a screw feeder 201, a screw positioning assembly 202, and a screw feeding channel 203, the screw feeder 201 is used for feeding screws to the screw positioning assembly 202, the screw positioning assembly 202 is used for feeding screws to the screw feeding channel 203, and the screw feeding channel 203 is connected to the second channel 352. The screw separating and positioning assembly 202 comprises a second bottom plate 221, a second fixed plate 222, a second moving plate 223 and a second driving device 224, the second moving plate 223 is movably mounted on the second bottom plate 221, the second fixed plate 222 and the second driving device 224 are fixed on the second bottom plate 221, the second fixing plate 222 is provided with a slide groove 225 vertically penetrating the second fixing plate 222 in the left-right direction, the diameter of the right side of the sliding groove 225 is larger than the diameter of the screw and smaller than the diameter of the nut, the diameter of the left side of the sliding groove 225 is not smaller than the diameter of the nut, the second bottom plate 221 is provided with a feed hole 226 below the left side of the chute 225, the feeding hole 226 is communicated with the screw feeding channel 203, the screw feeder 201 is used for feeding screws to the right side of the chute 225, the second driving device 224 drives the second moving plate 223 to move to convey the screws from the right side of the slide groove 225 to the left side of the slide groove 225. Specifically, the screw feeder 201 feeds screws to the right side of the chute 225, and the chute 225 receives one screw at a time, and the screws do not fall off the chute 225 because the diameter of the nut is larger than the diameter of the right side of the chute 225. The second driving device 224 (pneumatic cylinder) drives the second moving plate 223 to move leftwards, the second moving plate 223 drives the screw to move to the left side of the sliding groove 225, the diameter of the left side of the sliding groove 225 is not smaller than the diameter of a nut, and the screw drops from the sliding groove 225 and falls into the screw feeding channel 203. The process completes one-time feeding operation of the screws. The screw feed assembly 200 also includes an air generator for delivering screws from the screw feed channel 203 to the second channel 352. It should be further noted that other components may be employed to achieve the above-mentioned effects, which are within the inventive concept of the present invention and are within the scope of the present invention. The arrangement of the sliding groove 225 enables a screw rod of a screw to be arranged at the lower part, a screw cap to be arranged at the upper part and the screw to fall into the screw feeding channel 203, and the screw rod is arranged at the front part and the screw cap is arranged at the rear part, which is equivalent to positioning operation of the screw, so that the screw can accurately penetrate into the spring.

Referring to fig. 7, a clamping groove 227 vertically penetrating through the second moving plate 223 is disposed on a side of the second moving plate 223 close to the sliding groove 225, a diameter of the clamping groove 227 is not smaller than a diameter of a nut, and the clamping groove 227 is matched with the sliding groove 225 for movement of a screw. Specifically, the size phase-match of draw-in groove 227 and nut, draw-in groove 227 moves to the right side of spout 225, then can only allow a screw to fall into at every turn in the spout 225, draw-in groove 227 also plays certain fixed action to the screw, and is convenient second movable plate 223 moves the screw to the left side of spout 225.

The screw feeder 201, air generator, is a device known to those skilled in the art and is commercially available.

Referring to fig. 8-9, the screwing assembly 300 includes a fixing frame 301, a screwing lifting assembly 302, a screwdriver lifting assembly 303, a screwdriver assembly 304, a screw positioning block 305 and a screw discharging assembly 306, the screwing lifting assembly 302 is fixed on the fixing frame 301, the electric screwdriver lifting assembly 303, the screw positioning block 305 and the screw discharging assembly 306 are assembled on the screwing lifting assembly 302, the electric screwdriver assembly 304 is assembled on the electric screwdriver lifting assembly 303, the screw positioning block 305 is positioned right below the electric screwdriver assembly 304, a first channel 351 and a second channel 352 communicated with the first channel 351 are arranged in the screw positioning block 305, the first channel 351 is disposed in a vertical direction and is used for a batch head channel of the electric batch assembly 304, the screw discharging component 306 is arranged at the bottom outlet 353 of the first channel 351. In this embodiment, the screw discharging assembly 306 includes a third driving device and a baffle, the third driving device is assembled on the screw driving lifting assembly 302, the baffle is assembled on the third driving device, the baffle is located at the outlet 353, and the third driving device drives the baffle to move so as to open and close the outlet 353. The screw feeding assembly 200 is connected with the second channel 352, screws are conveyed to the outlet 353 through the second channel 352, the screw discharging assembly 306 is used for controlling the release of the screws, the elastic positioning piece 105 is located under the screw discharging assembly 306, the elastic positioning piece 105 is used for accommodating springs and the screws, the electric screwdriver assembly 304 downwards extrudes the screws to separate the springs and the screws from the elastic positioning piece 105, and a workpiece is located under the elastic positioning piece 105. Specifically, the elastic positioning member 105 is located below the screw discharging assembly 306, and the spring calibration and displacement assembly 104 conveys the spring into the elastic positioning member 105. Subsequently, the screw feeding assembly 200 delivers the screw to the second channel 352, the screw moves downward and falls into the outlet 353, and the screw driving lifting assembly 302 drives the screw positioning block 305 to move downward. The screw discharging assembly 306 is started, the outlet 353 is opened, and the screw falls into the elastic positioning piece 105 below and is inserted into the spring. At this time, the spring lifting base 103 drives the elastic positioning element 105 to move downward, and the elastic positioning element 105 contacts with the workpiece on the carrier table 400. The electric screwdriver lifting assembly 303 drives the electric screwdriver assembly 304 to move downwards, and the screwdriver head of the electric screwdriver assembly 304 is in contact with the screw through the first channel 351, so that the screw and the spring are separated from the elastic positioning piece 105 under the extrusion force of the electric screwdriver assembly 304. Finally, the electric screwdriver assembly 304 is started to tighten the screw onto the workpiece.

The working principle is as follows: 1. the vibration plate 101 conveys springs to the first through hole 145, the first moving plate 142 moves leftwards to the position below the first through hole 145, one spring falls into the second through hole 146, then the first moving plate 142 moves rightwards to the position above the third through hole, and the spring falls into the elastic positioning piece 105.

2. The clamping groove 227 is located on the right side of the sliding groove 225, the screw feeder 201 conveys screws to the right side of the sliding groove 225, a single screw is clamped in the clamping groove 227, the second moving plate 223 moves leftwards, the screw moves to the position above the feeding hole 226, the screw rod falls into the feeding hole 226 downwards, and the air generator conveys the screw to the second channel 352.

3. The screw falls into the bottom of the first channel 351, the screw driving lifting assembly 302 drives the screw positioning block 305 to move downwards, the screw discharging assembly 306 opens the outlet 353, the screw falls into the spring, and the spring lifting base 103 drives the elastic positioning element 105 to move downwards to contact with a workpiece. The screwdriver component 304 moves downward and presses the screw downward, and the screw and the spring are disengaged from the elastic locating piece 105 and abut against the workpiece. The screwdriver bit of the screwdriver component 304 is rotated to tighten the screw.

4. After the machining is finished, all the parts are restored to the original positions, and the next machining is carried out.

While embodiments of the utility model have been disclosed above, it is not limited to the applications set forth in the specification and the embodiments, which are fully applicable to various fields of endeavor for which the utility model pertains, and further modifications may readily be made by those skilled in the art, it being understood that the utility model is not limited to the details shown and described herein without departing from the general concept defined by the appended claims and their equivalents.

Claims (10)

1. Wear the spring, beat the screw automaton for the assembly of spring and screw and the screw fixation of machined part, its characterized in that: the screw comprises a spring feeding assembly (100), a screw feeding assembly (200) and a screwing assembly (300), wherein the screw comprises a screw rod and a nut, and the diameter of the nut is larger than that of the screw rod;

the spring feeding assembly (100) comprises a vibrating disc (101), a spring flow passage (102), a spring lifting base (103), a spring correcting and shifting assembly (104) and an elastic positioning piece (105), the spring correcting and shifting assembly (104) and the elastic positioning piece (105) are assembled on the spring lifting base (103), the vibrating disc (101) conveys springs to the spring correcting and shifting assembly (104) through the spring flow passage (102), and the spring correcting and shifting assembly (104) is used for conveying the springs to the elastic positioning piece (105);

the screwing component (300) comprises a fixing frame (301), a screwing lifting component (302), an electric screwdriver lifting component (303), an electric screwdriver component (304), a screw positioning block (305) and a screw discharging component (306), wherein the screwing lifting component (302) is fixed on the fixing frame (301), the electric screwdriver lifting component (303), the screw positioning block (305) and the screw discharging component (306) are assembled on the screwing lifting component (302), the electric screwdriver component (304) is assembled on the electric screwdriver lifting component (303), the screw positioning block (305) is positioned under the electric screwdriver component (304), a first channel (351) and a second channel (352) communicated with the first channel (351) are arranged in the screw positioning block (305), the first channel (351) is arranged along the vertical direction and is used for a screwdriver head channel of the electric screwdriver component (304), the screw discharging assembly (306) is arranged at a bottom outlet (353) of the first channel (351);

the screw feeding assembly (200) is connected with the second channel (352), screws are conveyed to the outlet (353) through the second channel (352), the screw discharging assembly (306) is used for controlling the release of the screws, the elastic positioning piece (105) is located under the screw discharging assembly (306), the elastic positioning piece (105) is used for accommodating springs and the screws, the electric screwdriver assembly (304) extrudes the screws downwards to enable the springs and the screws to be separated from the elastic positioning piece (105), and a workpiece is located under the elastic positioning piece (105).

2. The automatic spring threading and screwing machine according to claim 1, characterized in that: the spring correcting and shifting assembly (104) comprises a first bottom plate (141), a first moving plate (142), a first fixing plate (143) and a first driving device (144), wherein the first bottom plate (141) is assembled on the spring lifting base (103), the first moving plate (142) is movably assembled above the first bottom plate (141), the first fixing plate (143) and the first driving device (144) are fixed on the first bottom plate (141), the first driving device (144) is used for driving the first moving plate (142) to move along the horizontal direction, the first fixing plate (143) is positioned above the first moving plate (142), the first fixing plate (143) is provided with a first through hole (145) along the vertical direction, the top of the first through hole (145) is connected with the spring flow channel (102), the first moving plate (142) is provided with a second through hole (146) along the vertical direction, the first bottom plate (141) is provided with a third through hole along the vertical direction, the elastic positioning piece (105) is positioned under the third through hole, the first through hole (145) is positioned at the beginning of the stroke of the second through hole (146), and the third through hole is positioned at the tail end of the stroke of the second through hole (146).

3. The automatic spring threading and screwing machine according to claim 1, characterized in that: the screw feeding assembly (200) comprises a screw feeding machine (201), a screw distributing and positioning assembly (202) and a screw feeding channel (203), the screw feeding machine (201) is used for conveying screws to the screw distributing and positioning assembly (202), the screw distributing and positioning assembly (202) is used for conveying screws to the screw feeding channel (203), and the screw feeding channel (203) is connected with the second channel (352).

4. A machine for threading springs and screws according to claim 3, characterized in that: the screw distribution positioning assembly (202) comprises a second bottom plate (221), a second fixed plate (222), a second movable plate (223) and a second driving device (224), the second movable plate (223) is movably assembled on the second bottom plate (221), the second fixed plate (222) and the second driving device (224) are fixed on the second bottom plate (221), the second fixed plate (222) is provided with a sliding chute (225) which vertically penetrates through the second fixed plate (222) along the left-right direction, the diameter of the right side of the sliding chute (225) is larger than that of a screw rod and smaller than that of a nut, the diameter of the left side of the sliding chute (225) is not smaller than that of the nut, a feeding hole (226) is arranged below the left side of the sliding chute (225) on the second bottom plate (221), the feeding hole (226) is communicated with the feeding screw channel (203), and the screw feeding machine (201) is used for conveying screws to the right side of the sliding chute (225), the second driving device (224) drives the second moving plate (223) to move so as to convey the screws from the right side of the chute (225) to the left side of the chute (225).

5. A machine for threading springs and screws according to claim 4, characterized in that: the second movable plate (223) is close to be equipped with on the one side of spout (225) place and runs through from top to bottom draw-in groove (227) of second movable plate (223), the diameter of draw-in groove (227) is not less than the diameter of nut, draw-in groove (227) with spout (225) cooperation is in order to be used for the removal of screw.

6. A machine for threading springs and screws according to claim 3, characterized in that: the screw feed assembly (200) further comprises an air generator for delivering screws from the screw feed channel (203) to the second channel (352).

7. The automatic spring threading and screwing machine according to claim 1, characterized in that: the screw discharging assembly (306) comprises a third driving device and a baffle, the third driving device is assembled on the screw driving lifting assembly (302), the baffle is assembled on the third driving device, the baffle is located at the outlet (353), and the third driving device drives the baffle to move so as to open and close the outlet (353).

8. The automatic spring threading and screwing machine according to claim 1, characterized in that: elastic positioning spare (105) including acceping post (151) and elastic component (152), it is equipped with cavity (153) to accept post (151) and run through along vertical direction, it is equipped with to accept post (151) lateral wall bottom through groove (154) that cavity (153) communicate, elastic component (152) assemble in lead to groove (154) department.

9. A machine for threading springs and screws according to claim 8, characterized in that: the number of the elastic pieces (152) and the through grooves (154) is 4, and the elastic pieces and the through grooves are arranged in a one-to-one correspondence mode.

10. A machine for threading springs and screws according to claim 8, characterized in that: the elastic piece (152) is a sponge block.

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