Nut conveying gun
By setting a positioning channel and a symmetrical gate baffle in the nut delivery gun, the falling posture of the elliptical nut can be adjusted, solving the problem of nut posture change in the prior art and realizing the posture stability of the elliptical nut during welding.
Patent Information
- Application Number
- CN202520512802.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-20
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-20
AI Technical Summary
Existing nut delivery guns with top- or bottom-opening door structures cause changes in the nut's posture when pushing oval nuts, which fails to meet welding process requirements.
Design a nut delivery gun, which connects a receiving hopper to the discharge end of the material tube and sets up a positioning channel in the receiving hopper. The material platform is set up with inclined and vertical channels for feeding. The elliptical nuts are subjected to force by symmetrical gate baffles to balance the force, and the falling posture of the nuts is adjusted by the vertical channel to ensure the stability of the posture.
This effectively prevents the nut from changing its posture during the pushing process, ensuring the stability of the elliptical nut during welding and meeting process requirements.
Smart Images

Figure CN223906023U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to the technical field of automatic nut conveying, and particularly relates to a nut conveying gun. BACKGROUND
[0002] The nut conveying gun is a conveying mechanism used in an automatic welding system, and its purpose is to sequentially convey nuts to a welding station so as to facilitate the subsequent completion of the welding process.
[0003] The current nut conveying gun is mainly used for conveying circular nuts, and the conveying end of the conveying gun is provided with an upward door or a downward door. The upward door or the downward door is opened at the moment when the nut is pushed out by the pushing system. However, when the special nut with an oval shape is pushed out by the conveying gun with only the upward door or the downward door, the posture of the nut will change greatly, which causes the posture of the nut to not meet the process requirements during the welding of the oval nut. SUMMARY
[0004] The utility model solves the technical problem that the nut conveying gun with the upward door or the downward door structure will cause the posture of the nut to change greatly when pushing the oval nut, which causes the posture of the oval nut to not meet the process requirements during the welding of the oval nut. The purpose is to provide a nut conveying gun. The posture of the nut falling into the pushing channel is adjusted through the vertical channel, and two door baffle plates are arranged to apply a symmetrical force to the oval nut, so that the oval nut is in a force balance state. The posture of the oval nut after being pushed out of the mother material table does not change greatly, which meets the posture requirements of the oval nut during the welding.
[0005] The utility model is implemented by the following technical solutions:
[0006] A nut conveying gun comprises a material pipe, a mother material table and a pushing mechanism. The discharge end of the material pipe is connected with a material receiving hopper. The material conveying channel in the material pipe is inclined. The material receiving hopper is provided with a positioning channel that is communicated with the material conveying channel. The mother material table is connected with the material receiving hopper. The mother material table is provided with a discharging channel and a pushing channel that are communicated. The discharging channel is connected with the lower end of the positioning channel. The upper section of the positioning channel is an inclined channel, and the lower section is a vertical channel. The discharging channel is vertically arranged. The two sides of the mother material table are respectively hinged with two door baffle plates that are symmetrically arranged. In the working state, the two door baffle plates are respectively located on the two sides of the long axis of the oval nut. The output end of the pushing mechanism is located in the pushing channel.
[0007] The utility model discloses beneficial effect is, through connecting the receiving hopper that has the material pipe's discharge end, setting the positioning channel that communicates with the material conveying channel in the receiving hopper, and setting the communicating down channel and push channel in the master batch platform, connecting the down channel on the positioning channel that is inclined channel in the upper section and vertical channel in the lower section, facilitating preventing nut jam in the positioning channel, and adjusting the posture of nut falling into the push channel through the vertical channel, and the both sides of master batch platform are hinged with the door baffle of relative symmetry setting respectively, and two door baffles are located on the both sides of the long axis of oval nut respectively, facilitating when push mechanism pushes oval nut, the force that two door baffles exert to oval nut is relatively symmetrical, makes oval nut force balance, to ensure that the posture of oval nut after being pushed out of master batch platform has not changed greatly, further satisfy the posture requirement of oval nut when welding.
[0008] In some embodiments, the receiving hopper is provided with an observation window on the side away from the push mechanism, and the observation window is located in the middle of the positioning channel. By providing an observation window on one side of the receiving hopper, it is convenient to check whether nuts are conveyed to the receiving hopper through the observation window.
[0009] In some embodiments, the observation window is in the shape of a long strip hole, and the observation window extends along the conveying direction of the positioning channel. By setting the observation window in the shape of a long strip hole and extending along the conveying direction of the positioning channel, it is further realized to observe whether the nuts are jammed in the receiving hopper.
[0010] In some embodiments, the bottom of the material conveying channel and the bottom of the inclined channel of the positioning channel are located on the same plane, and the included angle between the bottom surface of the vertical channel of the positioning channel and the bottom surface of the inclined channel is 160°-170°. It is convenient to improve the efficiency of conveying nuts, and further quickly feed, and by setting the vertical channel, the nuts enter the push channel more stably, reducing the problem of misalignment or stacking.
[0011] In some embodiments, the master batch platform is provided with two parallel protrusions away from one end of the push mechanism, the two ends of the protrusions are respectively provided with connecting shafts, the two door baffles are respectively hinged to the corresponding connecting shafts, and the opening ends of the two door baffles are located in the middle of the push channel. By setting protrusions on the master batch platform to support and position the connecting shafts, and supporting and positioning the door baffles through the connecting shafts, it is convenient to open the door baffles when the nuts are pushed out of the push channel.
[0012] In some embodiments, two parallel protrusions are arranged at the end of the masterbatch table away from the pushing mechanism, the two ends of the protrusions are respectively provided with connecting shafts, two door baffle plates are respectively hinged to the connecting shafts, the opening ends of the two door baffle plates are located at the middle of the outlet of the pushing channel, door baffle torsion springs are hinged to the connecting shafts, and the door baffle torsion springs drive the door baffle plates to close in the working state. By locating the opening ends of the two door baffle plates at the middle of the outlet of the pushing channel and hinging the door baffle torsion springs to the connecting shafts, the door baffle torsion springs can automatically drive the door baffle plates to close when the pushing mechanism pushes the nut out of the pushing channel.
[0013] In some embodiments, a gap is arranged between the opening ends of the two door baffle plates. Arranging a gap between the opening ends of the door baffle plates can facilitate observation of the position of the nut in the pushing channel and prevent the two door baffle plates from interfering with each other when opened.
[0014] In some embodiments, a cover plate is further arranged, the cover plate is sleeved on the discharge end of the material pipe, and one end of the cover plate is connected to the top of the receiving hopper. By sleeving the cover plate on the discharge end of the material pipe, the material pipe and the receiving hopper are connected, and the strength and rigidity of the connection point are improved.
[0015] In some embodiments, the pushing mechanism comprises a gun head, a connecting cylinder and a feeding cylinder, one end of the gun head is connected to the end of the masterbatch table away from the door baffle plate, the other end of the gun head is connected to the connecting cylinder, the feeding cylinder is connected to the end of the connecting cylinder away from the gun head, a through hole is arranged in the gun head, the through hole and the inner hole of the connecting cylinder constitute the pushing channel, and the pushing channel is perpendicular to the upper section of the positioning channel. By arranging the pushing channel perpendicular to the upper section of the positioning channel, the force direction of the piston rod of the feeding cylinder when pushing the nut out of the pushing channel is perpendicular to the end face of the nut, and the posture of the nut when being pushed out of the pushing channel is stable, so as to meet the posture requirement of the oval nut during welding.
[0016] In some embodiments, a positioning cylinder is further arranged, the positioning cylinder is located at the end of the through hole away from the connecting cylinder, a positioning through hole is arranged on the positioning cylinder for the output end of the feeding cylinder to pass through, and the positioning through hole is coaxial with the piston rod of the feeding cylinder. By arranging the positioning cylinder and the positioning through hole on the positioning cylinder for the piston rod of the feeding cylinder to pass through, the piston rod is positioned, the stress point of the nut is controlled, and the posture of the nut when being pushed out is stable, so as to meet the posture requirement of the oval nut during welding.
[0017] In some embodiments, a positioning mechanism is further included, comprising a connecting clip and a stock clamp connected together. The connecting clip is adjustablely connected to a support rod, and the connecting sleeve is adjustablely connected to the stock clamp. By providing the connecting clip and the stock clamp, the support rod and the stock clamp are positioned and supported.
[0018] Compared with the prior art, this utility model has the following advantages and beneficial effects:
[0019] 1. The posture of the nut as it falls into the pushing channel is adjusted by a vertical channel. Symmetrically arranged gate baffles are also hinged on both sides of the mother material platform. The two gate baffles are located on both sides of the long axis of the elliptical nut. This ensures that the force applied by the two gate baffles to the elliptical nut is symmetrical when the pushing mechanism pushes the elliptical nut, so that the elliptical nut is subjected to balanced forces. This ensures that the posture of the elliptical nut does not change much after it is pushed out of the mother material platform, thereby meeting the posture requirements of the elliptical nut during welding.
[0020] 2. The opening ends of both door baffles are located in the middle of the outlet of the push channel, and a door stop torsion spring is also hinged on the connecting shaft. This allows the door stop torsion spring to automatically close the door baffle when the push mechanism pushes the nut out of the push channel.
[0021] 3. Set up a positioning cylinder and set a positioning through hole on the positioning cylinder for the piston rod of the feeding cylinder to pass through, so as to position the piston rod and control the force point of the nut, thereby ensuring the stability of the nut's posture when it is pushed out of the pushing channel, so as to meet the posture requirements of the elliptical nut during welding. Attached Figure Description
[0022] The accompanying drawings, which are included to provide a further understanding of the embodiments of the present invention and form part of this application, do not constitute a limitation thereof. In the drawings:
[0023] Figure 1 This is a structural diagram of the present utility model;
[0024] Figure 2 This is the front view of the present invention;
[0025] Figure 3 This utility model Figure 2 Cross-sectional view of AA.
[0026] The attached diagram shows the markings and corresponding component names:
[0027] 1. Door stop torsion spring; 2. Door stop plate; 3. Connecting shaft; 4. Mother material platform; 5. Cover plate; 6. Material pipe; 7. Support rod; 8. Feeding cylinder; 9. Connecting cylinder; 10. Gun stock clamp; 11. Connecting clamp; 12. Positioning cylinder; 13. Gun head; 14. Receiving hopper; 141. Positioning channel; 142. Observation window. DETAILED DESCRIPTION
[0028] In order to make the objectives, technical solutions and advantages of the present application clearer, the present application will be further described in detail below with reference to the embodiments and drawings, and the illustrative embodiments of the present application and the description thereof are only used to explain the present application and not to limit the present application.
[0029] Throughout this specification, the recitation "one embodiment," "an embodiment," "one example," or "an example" means that a particular feature, structure, or characteristic described in connection with the embodiment or example is included in at least one embodiment of the present application. The appearances of the phrases "in one embodiment," "an embodiment," "in one example," or "an example" in various places in the specification are not necessarily all referring to the same embodiment or example. Furthermore, the particular features, structures, or characteristics can be combined in any suitable manner in one or more embodiments or examples. In addition, a person of ordinary skill in the art will understand that the drawings provided herein are for illustrative purposes only and are not necessarily drawn to scale. The term "and / or" as used herein includes any and all combinations of one or more of the associated listed items.
[0030] In the description of the present application, the terms "front," "back," "left," "right," "up," "down," "vertical," "horizontal," "high," "low," "inner," "outer," and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the scope of protection of the present application.
[0031] The terms "first," "second," and the like used in the present application are only used for the purpose of clear description of the corresponding components and do not intend to limit any order or emphasize importance, etc. In addition, the term "connection" used herein can be direct connection or indirect connection via other components, without special description.
[0032] EMBODIMENT
[0033] As Figures 1-3As shown, the embodiment provides a nut conveying gun, which comprises a material pipe 6, a female material table 4 and a pushing mechanism, the discharge end of the material pipe 6 is connected with a receiving hopper 14, the material conveying channel in the material pipe 6 is arranged in an inclined manner, and the receiving hopper 14 is provided with a positioning channel 141 communicated with the material conveying channel; the female material table 4 is connected with the receiving hopper 14, the female material table 4 is provided with a discharging channel and a pushing channel communicated with each other, the discharging channel is connected at the lower end of the positioning channel 141, the upper section of the positioning channel 141 is an inclined channel, and the lower section is a vertical channel, the discharging channel is arranged vertically, and the female material table 4 is respectively hinged with two door baffle plates 2 arranged in a symmetrical manner, in the working state, the two door baffle plates 2 are respectively located at the two sides of the long axis of the oval nut, and the output end of the pushing mechanism is located in the pushing channel. By locating the two door baffle plates 2 at the two sides of the long axis of the oval nut, the forces applied by the two door baffle plates 2 on the oval nut are symmetrical when the pushing mechanism pushes the oval nut, so that the oval nut is balanced, so as to ensure that the posture of the oval nut is not changed greatly after being pushed out of the female material table 4, and then the posture requirement of the oval nut during welding is met.
[0034] As shown in Figures 1-3 the receiving hopper 14 is provided with an observation window 142 away from the pushing mechanism, and the observation window 142 is located in the middle of the positioning channel 141. By arranging the observation window 142 on one side of the receiving hopper 14, it is convenient to check whether the nut is conveyed into the receiving hopper 14 through the observation window 142.
[0035] As shown in Figures 1-3 the observation window 142 is in the shape of a long strip hole, and the observation window 142 extends along the conveying direction of the positioning channel 141. By arranging the observation window 142 in the shape of a long strip hole and extending along the conveying direction of the positioning channel 141, it is realized to observe whether the nut is blocked in the receiving hopper 14.
[0036] As shown in Figures 1-3 the bottom of the material conveying channel and the bottom of the inclined channel of the positioning channel 141 are located on the same plane, and the included angle between the bottom surface of the vertical channel of the positioning channel 141 and the bottom surface of the inclined channel is 160°-170°. It is convenient to improve the efficiency of conveying the nut, and then the material is fed quickly, and the nut is more stably fed into the pushing channel by arranging the vertical channel, so as to reduce the problems of misalignment or stacking.
[0037] As shown in Figures 1-3As shown in the figure, the mother material table 4 is provided with two parallel protrusions at the end away from the pushing mechanism, the two ends of the protrusions are respectively provided with connecting shafts 3, the two door baffle plates 2 are respectively hinged to the corresponding connecting shafts 3, and the opening ends of the two door baffle plates 2 are located in the middle of the outlet of the pushing channel. By supporting and positioning the connecting shafts 3 through the protrusions on the mother material table 4, and supporting and positioning the door baffle plates 2 through the connecting shafts 3, the door baffle plates 2 can be easily opened when the nut is pushed out of the pushing channel.
[0038] As shown in the figure, Figures 1-3 the two ends of the protrusions are respectively provided with connecting shafts 3, the two door baffle plates 2 are respectively hinged to the corresponding connecting shafts 3, the opening ends of the two door baffle plates 2 are located in the middle of the outlet of the pushing channel, and the connecting shafts 3 are hinged with door baffle torsion springs 1. In the working state, the door baffle torsion springs 1 drive the door baffle plates 2 to close. By locating the opening ends of the two door baffle plates 2 in the middle of the outlet of the pushing channel, and further hinging the door baffle torsion springs 1 on the connecting shafts 3, the reset force of the door baffle torsion springs 1 can automatically drive the door baffle plates 2 to close when the pushing mechanism pushes the nut out of the pushing channel in the working state.
[0039] As shown in the figure, Figures 1-3 there is a gap between the opening ends of the two door baffle plates 2. By setting a gap between the opening ends of the door baffle plates 2, the position of the nut in the pushing channel can be easily observed, and the two door baffle plates 2 are prevented from interfering with each other when opened.
[0040] As shown in the figure, Figures 1-3 it further includes a cover plate 5, the cover plate 5 is sleeved on the discharge end of the material pipe 6, and one end of the cover plate 5 is connected with the top of the receiving hopper 14. By sleeving the cover plate 5 on the discharge end of the material pipe 6, the material pipe 6 and the receiving hopper 14 are connected, and the strength and rigidity of the connection point are improved.
[0041] As shown in the figure, Figures 1-3 the pushing mechanism includes a gun head 13, a connecting barrel 9 and a feeding cylinder 8, one end of the gun head 13 is connected with the end of the mother material table 4 away from the door baffle plate 2, the other end is connected with the connecting barrel 9, the feeding cylinder 8 is connected with the end of the connecting barrel 9 away from the gun head 13, the inside of the gun head 13 is provided with a through hole, the through hole and the inner hole of the connecting barrel 9 constitute the pushing channel, and the pushing channel is perpendicular to the upper section of the positioning channel 141. By making the pushing channel perpendicular to the upper section of the positioning channel 141, the force direction of the piston rod of the feeding cylinder 8 pushing the nut out of the pushing channel is perpendicular to the end face of the nut, and the posture of the nut when pushed out of the pushing channel is stable, so as to meet the posture requirement of the elliptical nut during welding.
[0042] AsFigures 1-3 As shown, the device further comprises a positioning cylinder 12 located at the end of the through hole away from the connecting cylinder 9, and the positioning cylinder 12 is provided with a positioning through hole through which the output end of the feeding cylinder 8 passes, and the positioning through hole is coaxial with the piston rod of the feeding cylinder 8. By arranging the positioning cylinder 12 and the positioning through hole on the positioning cylinder through which the piston rod of the feeding cylinder 8 passes, the piston rod is positioned, and then the stress point of the nut is controlled, and the posture stability of the nut when it is pushed out is further ensured, so as to meet the posture requirement of the oval nut when it is welded.
[0043] As shown in the drawings, Figures 1-3 As shown, the device further comprises a positioning mechanism comprising a connecting clamp 11 and a butt stock clamp 10 connected with each other, the connecting clamp 11 is adjustably connected with the supporting rod 7, and the connecting cylinder 9 is adjustably connected on the butt stock clamp 10. By arranging the connecting clamp 11 and the butt stock clamp 10, the supporting rod 7 and the butt stock clamp 10 are supported and positioned.
[0044] Specifically, the butt stock clamp 10 and the connecting clamp 11 are both provided with a through hole and an opening, the opening is communicated with the through hole, and an adjusting nut is mounted on the side wall of the opening, the size of the corresponding opening is adjusted through the adjusting nut, so as to adjust the installation position of the pushing mechanism and the position of the nut conveying gun relative to the supporting rod 7.
[0045] The above specific embodiments further specifically describe the purpose, technical scheme and beneficial effects of the device, and it should be understood that the above description is only a specific embodiment of the device, and is not used to limit the protection scope of the device, and any modification, equivalent replacement, improvement, etc. within the spirit and principle of the device should be included in the protection scope of the device.
Claims
1. A nut conveying gun characterized by, The utility model provides a material feeding device, which comprises a material pipe, a receiving hopper connected to the discharge end of the material pipe, a material conveying channel in the material pipe, a positioning channel in the receiving hopper, a master batch table connected to the receiving hopper, a discharging channel and a pushing channel in the master batch table, a gate baffle on both sides of the master batch table, and a pushing mechanism. The receiving hopper is provided with an observation window on the side away from the pushing mechanism. The observation window is located in the middle of the positioning channel. The observation window is in the shape of a long strip hole and extends along the conveying direction of the positioning channel.
2. The nut delivery gun of claim 1, wherein, The bottom of the material conveying channel and the bottom of the inclined channel of the positioning channel are located on the same plane.
3. The nut conveying gun according to claim 2, characterized in that The angle between the bottom surface of the vertical channel of the positioning channel and the bottom surface of the inclined channel is 160-170 degrees.
4. The nut delivery gun of claim 2, wherein, The master batch table is provided with two parallel convex strips on the end away from the pushing mechanism.
5. The nut conveying gun according to claim 1, wherein The two ends of the convex strips are respectively provided with connecting shafts.
6. The nut conveying gun according to claim 5, characterized in that The gate baffles are respectively hinged to the corresponding connecting shafts.
7. The nut conveying gun according to claim 1, wherein The opening ends of the two gate baffles are located in the middle of the outlet of the pushing channel.
8. The nut conveying gun of claim 1, wherein, The connecting shafts are hinged to gate baffle torsional springs.
9. The nut conveying gun according to claim 8, characterized in that In the working state, the gate baffle torsional springs drive the gate baffles to close.
10. Nut conveying gun according to claim 8 or 9, characterized in that The opening ends of the two gate baffles have a gap therebetween. The pushing mechanism comprises a gun head, a connecting barrel, and a feeding cylinder. The gun head is connected to one end of the master batch table away from the gate baffles and to the other end of the connecting barrel. The feeding cylinder is connected to the end of the connecting barrel away from the gun head. The gun head is provided with a through hole. The through hole and the inner hole of the connecting barrel constitute the pushing channel. The pushing channel is perpendicular to the upper section of the positioning channel. The utility model also comprises a positioning barrel. The positioning barrel is located at the end of the through hole away from the connecting barrel. The positioning barrel is provided with a positioning through hole for the output end of the feeding cylinder. The positioning through hole is coaxial with the piston rod of the feeding cylinder. The utility model also comprises a positioning mechanism. The positioning mechanism comprises a connecting clamp and a butt stock clamp connected to each other. The connecting clamp is adjustably connected to a supporting rod. The connecting barrel is adjustably connected to the butt stock clamp.