Clamping device of bar feeder

Abstract

The invention relates to the technical field of clamping of bar feeding machines, in particular to a clamping device of a bar feeding machine. The clamping device comprises a base, a first clamping piece, a second clamping piece, a sliding base, a linkage piece and a first driving piece. Through the sliding fit of the sliding seat and the base and the driving of the first driving part to the sliding seat, the cooperative action of the first clamping part and the second clamping part is realized, and the clamping stability and the feeding precision are effectively improved. In addition, through the adjusting mechanism, the clamping stability is further improved, the feeding precision is improved, and the reliability and adaptability of the device are enhanced.

Description

Technical Field

[0001] The present application relates to the technical field of clamping of a bar feeder, and in particular to a clamping device of a bar feeder. Background Art

[0002] In modern industrial production, the automatic bar feeder is an important equipment for the continuous cycle processing of bar materials. Its performance stability and feeding accuracy directly affect the efficiency and product quality of the entire production line. With the advancement of science and technology and the development of the manufacturing industry, the requirements for automatic bar feeders are getting higher and higher, especially in the design of the clamping device of the bar feeder, which needs to be more efficient, stable and able to adapt to bars of different specifications and materials.

[0003] In order to achieve accurate feeding of bars in the related technology, common clamping devices mainly include hydraulic clamping devices, pneumatic clamping devices and mechanical clamping devices. These devices usually clamp and release bars in various ways. For example, hydraulic clamping devices use the pressure of hydraulic oil to drive the clamping parts, pneumatic clamping devices use compressed air to drive, and mechanical clamping devices rely on mechanical transmission mechanisms to complete the clamping action. In addition, there are some composite clamping devices that combine the above principles to improve the reliability and flexibility of clamping.

[0004] However, the clamping devices in the related art, such as hydraulic clamping devices, pneumatic clamping devices and mechanical clamping devices, although they can achieve the clamping and release of rods, often require adjustment or replacement of clamping components for rods of different specifications, which not only increases the complexity of operation but also reduces production efficiency. In addition, most of these devices use a fixed clamping method, which is more difficult to handle rods in different directions or angles, limiting their scope of application. In particular, during the rod feeding process, if the specifications or direction of the rod changes, the traditional clamping device may take a long time to adjust, or even need to stop the machine to replace the clamping components, which seriously affects the continuity and efficiency of the production line. Summary of the invention In order to overcome the deficiencies in the prior art and improve the adaptability and production efficiency of the bar feeder to bars of different specifications, the present application provides a clamping device that can better adapt to bars of different specifications and improve production efficiency.

[0005] The clamping device of a bar feeder provided in the present application adopts the following technical solution: 14. The repairing kit for automotive dents, according to claim 13, wherein the first tool holder is an artificial receptacle for use with a parenthesis, and the second tool holder is an artificial receptacle for use with the parentheses. The first tool holder is an artificial receptacle for use with a parent

[0006] By adopting the above technical solution, the sliding seat is driven to slide on the base by the first driving member, thereby driving the linkage member and the first clamping member and the second clamping member matched therewith to move. The first clamping member is rotatably installed relative to the feeder through the rotating hole, which increases the flexibility of the device. The first driving groove on the linkage member slides with the first driving part of the first clamping member to ensure that the first clamping member can stably and accurately clamp the bar; through the precise matching of the sliding seat, the linkage member and the first driving member, and the coordinated work of the first clamping member and the second clamping member, the stable clamping of the bar is achieved, avoiding the shaking or falling of the bar during the feeding process; the rotating installation design of the first clamping member enables the clamping device to adapt to bars of different directions and angles, improving the versatility and flexibility of the device. The precise control of the first driving member ensures the stable movement of the sliding seat and the clamping member, thereby realizing the precise feeding of the bar and meeting the high requirements of the production line for the position and speed of the bar; it not only improves the clamping stability and feeding accuracy, but also enhances the reliability and adaptability of the device.

[0007] Optionally, a first guide column and a second guide column are provided on the sliding seat, a first guide groove is opened on the linkage member, the first guide column and the second guide column are both inserted into the first guide groove, the length of the first guide groove is greater than the distance between the first guide column and the second guide column, and both ends of the first guide groove are closed.

[0008] By adopting the above technical solution, the first guide column and the second guide column are arranged to ensure the stable sliding of the linkage on the sliding seat, reduce the friction and wear during the sliding process, and extend the service life of the device. The length of the first guide groove is greater than the distance from the first guide column to the second guide column, and the two ends are closed, which further enhances the reliability and stability of the guide and improves the accuracy and reliability of the clamping.

[0009] Optionally, an adjustment mechanism is provided on the sliding seat, and the adjustment mechanism includes an adjustment block, and an adjustment groove is opened on the adjustment block, and the length direction of the adjustment groove is parallel to the length direction and the direction of the axis connection of the first guide column and the second guide column; an adjustment bolt is passed through the adjustment groove, and the adjustment bolt is threadedly matched with the sliding seat, and the first guide column is fixed to the adjustment block.

[0010] By adopting the above technical solution, the setting of the adjustment mechanism allows the positions of the first guide column and the second guide column to be flexibly adjusted, so as to adapt to rods of different specifications, thereby improving the versatility and flexibility of the device; the length direction of the adjustment slot is parallel to the direction of the axis line connecting the first guide column and the second guide column, ensuring the linear movement of the guide column during the adjustment process, and enhancing the stability and reliability of the device. The adjustment bolt cooperates with the sliding seat thread, making the adjustment process simple and quick, and the adjustment can be completed without disassembling the device, thereby improving production efficiency. The first guide column is fixed on the adjustment block, which further ensures the stability and reliability of the guide column, reduces friction and wear during the sliding process, and extends the service life of the device.

[0011] Optionally, the linkage member is located between the base and the adjustment block, one side of the linkage member is connected to the base, and the other side of the linkage member is abutted against the adjustment block.

[0012] By adopting the above technical solution, the linkage part is located between the base and the adjustment block, one side of the linkage part abuts against the base, and the other side of the linkage part abuts against the adjustment block, ensuring the stable sliding of the linkage part on the sliding seat, reducing friction and wear during the sliding process, and extending the service life of the device. At the same time, this design makes the position of the linkage part on the sliding seat more fixed, enhances the overall stability of the device, and further improves the reliability of clamping and feeding accuracy.

[0013] Optionally, the adjustment mechanism further includes an adjustment screw, the adjustment screw passes through the sliding seat, and one end of the adjustment screw is rotatably connected to the adjustment block.

[0014] By adopting the above technical solution, the adjusting screw of the adjusting mechanism passes through the sliding seat, and one end of the adjusting screw is rotatably connected to the adjusting block, so that the positions of the first guide column and the second guide column can be quickly adjusted without disassembling the device to adapt to rods of different specifications. This design not only improves the versatility and flexibility of the device, but also simplifies the adjustment process, saving time and labor. At the same time, the threaded cooperation of the adjusting screw and the sliding seat ensures the accuracy and stability of the adjustment process, and reduces the error caused by improper manual adjustment.

[0015] Optionally, the first clamping member includes a rotating member, a sensing member and an upper clamping block, the rotating member is used to be rotatably connected to the feeder, the first driving part is arranged at one end of the rotating member, the sensing member and the upper clamping block are both arranged at the other end of the rotating member, and the sensing member is connected to the upper clamping block.

[0016] By adopting the above technical solution, one end of the rotating member is rotatably connected to the feeder in some way, so that the first clamping member can flexibly adjust its direction and angle under the drive of the feeder according to production needs. The first driving part is arranged at the other end of the rotating member and is inserted into the first driving groove of the linkage member. Through the coordinated action of the sliding seat and the linkage member, the first clamping member can be driven to move along a specific path while maintaining its rotational flexibility relative to the feeder. The sensing member is connected to the upper clamping block and is used to monitor key parameters such as the position, state or clamping force of the rod in real time. Once the sensing member detects that the rod has reached the predetermined position or meets the clamping conditions, it will trigger the action of the upper clamping block through a certain signal (such as an electrical signal, a mechanical signal, etc.), so that the upper clamping block cooperates with the second clamping member on the other side to clamp the rod together.

[0017] Optionally, a guide member is fixedly provided on the rotating member, a second guide groove is opened on the upper clamping block, the guide member passes through the second guide groove, and the upper clamping block and the guide member are slidably matched.

[0018] By adopting the above technical solution, the second guide groove has a guiding effect on the guide member, thereby having a guiding effect on the upper clamping block, thereby improving the installation efficiency and installation accuracy of the upper clamping block.

[0019] Optionally, a third guide column is fixedly provided on the second clamping member, a third guide groove is provided on the base, the third guide groove extends in a vertical direction, the third guide column is passed through the third guide groove, and the third guide column and the third guide groove are slidably matched.

[0020] By adopting the above technical solution, the third guide column fixed on the second clamping member and the third guide groove opened on the base slide and cooperate, ensuring the stable sliding of the second clamping member on the base, avoiding the clamping failure caused by poor sliding, and improving the stability and reliability of the clamping. At the same time, the third guide groove extends in the vertical direction, so that the position of the second clamping member in the vertical direction is fixed, further enhancing the overall stability of the device.

[0021] Optionally, an anti-slip portion is provided at one end of the first clamping member close to the second clamping member.

[0022] By adopting the above technical solution, an anti-slip portion is provided at one end of the first clamping member close to the second clamping member, which increases the contact area and friction between the clamping surface and the rod, thereby effectively preventing the rod from slipping or loosening due to external force during the clamping process. This design ensures the stability of the clamping and improves work safety. The presence of the anti-slip portion can also reduce damage to the surface of the rod during the clamping process to a certain extent. Compared with direct hard contact, the design of the flange or groove can distribute the clamping force more evenly and avoid scratches or deformation caused by excessive local pressure.

[0023] Optionally, a limiting groove 32 is formed at one end of the second clamping member close to the first clamping member.

[0024] By adopting the above technical solution, a limiting groove is provided at one end of the second clamping member close to the first clamping member. The limiting groove can effectively increase the contact area and friction between the second clamping member and the rod, and prevent the rod from slipping or loosening due to external force during the clamping process, thereby ensuring the stability of the clamping and improving work safety. At the same time, the design of the limiting groove can also reduce the damage to the surface of the rod during the clamping process to a certain extent, and avoid scratches or deformation caused by excessive local pressure. The two side walls of the V-shaped groove form an effective constraint on the rod, preventing the rod from rolling during the clamping process, and further improving the stability of the clamping and the safety of the operation.

[0025] In summary, the present application includes at least one of the following beneficial technical effects: 1. The first clamping member and the second clamping member cooperate with each other through the sliding cooperation between the sliding seat and the base and the first driving member drives the sliding seat, thereby realizing the coordinated action of the first clamping member and the second clamping member, significantly improving the clamping stability and feeding accuracy, and solving the problems of unstable clamping or insufficient clamping force in the prior art; 2. The design of the adjustment mechanism and guide structure enables the device to quickly adapt to bars of different specifications, simplifies the adjustment process, improves production flexibility and efficiency, and solves the problem of complex and time-consuming adjustment process in the prior art; 3. The sophisticated design of the first clamping member and the second clamping member, including the anti-slip portion 27 and the limiting groove 32, ensures the stability and safety of the clamping, reduces the damage to the surface of the bar during the clamping process, and improves the production quality and safety performance. BRIEF DESCRIPTION OF THE DRAWINGS

[0026] Figure 1 It is a structural schematic diagram of the clamping device of the bar feeder in the embodiment of the present application.

[0027] Figure 2 It is a schematic diagram of the assembly relationship of the clamping device of the bar feeder in the embodiment of the present application from the first perspective.

[0028] Figure 3It is a schematic diagram of the assembly relationship of the clamping device of the bar feeder in the embodiment of the present application from a second viewing angle.

[0029] Figure 4 It is a schematic diagram of the structure of the upper clamping block in the embodiment of the present application.

[0030] Description of reference numerals: 1. Base; 11. Bottom plate; 12. Support block; 13. Guide block; 14. Positioning slot; 15. Third guide slot; 16. Fourth guide slot; 17. Sliding slot; 18. Lifting slot; 2. First clamping member; 21. First drive unit; 22. Rotating member; 23. Inductive member; 24. Upper clamping block; 25. Rotating hole; 26. Second guide slot; 27. Anti-slip part; 28. Guide member; 3. Second clamping member; 31. Second drive unit; 32. Third guide slot Guide column; 33, limit groove; 4, sliding seat; 41, driving rod; 42, sliding block; 43, bearing block; 44, second driving groove; 45, fifth guide groove; 5, linkage member; 51, first driving groove; 52, first guide groove; 6, first driving member; 61, mounting block; 62, cylinder; 63, through hole; 7, first guide column; 8, second guide column; 9, adjustment mechanism; 92, adjustment groove; 91, adjustment block; 93, adjustment screw; 94, knob. DETAILED DESCRIPTION

[0031] The following is combined with Figure 1-4 This application is described in further detail.

[0032] The terms used in this application are only for the purpose of describing specific embodiments and are not intended to limit this application. Unless otherwise defined, the technical terms or scientific terms used in this application should be the common meanings understood by those skilled in the art to which this application belongs. The "first", "second" and similar words used in this application do not indicate any order, quantity or importance, but are only used to distinguish different components.

[0033] For ease of understanding, in the present embodiment, the horizontal direction of the movement direction of the sliding seat 4 is defined as the first direction, and the axial direction of the first driving part 21 is defined as the second direction, and the clamping device of the bar feeder is described based on this.

[0034] The present application embodiment provides a clamping device for a bar feeder, referring to Figure 1 and Figure 2 The clamping device of the bar feeder includes a base 1, a first clamping member 2, a second clamping member 3, a sliding seat 4, a linkage member 5 and a first driving member 6.

[0035] Reference Figure 1 , Figure 2 and Figure 3, the sliding seat 4 is slidably matched with the base 1, and the first driving member 6 is arranged on the base 1, and the first driving member 6 is used to drive the sliding seat 4 to slide. The first clamping member 2, the rotating hole 25 is used to cooperate with the feeder to realize the rotation installation of the first clamping member 2 relative to the feeder. The linkage member 5 is slidably matched with the sliding seat 4, and the linkage member 5 is provided with a first driving groove 51, and the first driving groove 51 extends in the vertical direction. A first driving part 21 is fixedly provided at one end of the first clamping member 2, and the first driving part 21 is inserted into the first driving groove 51, and the first driving part 21 is slidably matched with the first driving groove 51. The second clamping member 3 is slidably matched with the base 1, and a second driving part 31 is fixedly provided at one end of the second clamping member 3, and a second driving groove 44 is provided on the sliding seat 4, and the second driving part 31 is inserted into the second driving groove 44, and the second driving part 31 is slidably matched with the second driving groove 44. Through the above structure, efficient and stable clamping of bars of different specifications and materials is achieved.

[0036] In this embodiment, the first driving part 21 includes a screw, a bearing and a nut, one end of the screw passes through the first clamping member 2 and is threadedly matched with the nut, the bearing is sleeved on the other end of the screw, and the nut and the bearing have a clamping effect on the first clamping member 2, thereby fixing the first driving part 21 on the first clamping member 2. The bearing is slidably matched with the first driving groove 51, so that the first driving part 21 is smoother in the sliding process, reducing friction and wear, and extending the service life of the device.

[0037] Specifically, the base 1 includes a bottom plate 11 and a support block 12. The bottom plate 11 is horizontally arranged and is provided with a plurality of through bolt holes, so as to facilitate fixing the base 1 to the bar feeder. A positioning groove 14 is also provided on the upper surface of the bottom plate 11, and the positioning groove 14 extends along a first direction. The support block 12 is vertically arranged and fixed in the positioning groove 14. A through lifting groove 18 is provided on the support block 12, and the lifting groove 18 extends in the vertical direction, and both ends of the lifting groove 18 are closed. The second driving part 31 passes through the lifting groove 18 and slides with the lifting groove 18, so as to ensure the stable sliding of the second clamping member 3 in the vertical direction.

[0038] In this embodiment, the second driving part 31 includes not only a screw, a bearing and a nut, but also a sliding block. The screw passes through the sliding block, the bearing is sleeved on one end of the screw, and the nut is sleeved on the other end of the screw, and the nut is threadedly matched with the screw. The bearing is located in the second driving groove 44, and the bearing is slidingly matched with the second driving groove 44. The other end of the screw passes through the lifting groove 18 and is fixedly connected to the second clamping member 3, and the screw is slidingly matched with the lifting groove 18. One side of the sliding block abuts against the support block 12, and the sliding block slides relative to the support block 12. The other side of the sliding block abuts against the sliding seat 4, and the sliding block slides relative to the sliding seat 4, and the sliding direction of the sliding block is the vertical direction.

[0039] The sliding seat 4 includes a sliding block 42 and a driving rod 41, the driving rod 41 extends along the second direction, and one end of the driving part abuts against the sliding block 42 and is fixedly connected to the sliding block 42. In this embodiment, a second driving groove 44 is provided on the sliding block 42, the second driving groove 44 is inclined, and both ends of the second driving groove 44 are closed. A sliding groove 17 is provided on the upper surface of the bottom plate 11, the sliding groove 17 extends along the first direction, and the sliding block 42 and the sliding groove 17 are slidably matched. The first driving member 6 includes a mounting block 61 and a driving cylinder 62, the mounting block 61 is fixed to one side of the bottom plate 11, the driving cylinder 62 is installed on the mounting block 61, and a through hole 63 is provided on the mounting block 61, and the piston rod of the driving cylinder 62 passes through the through hole 63 and is fixedly connected to one end of the driving part away from the sliding block 42. In this way, the driving cylinder 62 can accurately control the sliding of the sliding seat 4, thereby driving the movement of the first clamping member 2 and the second clamping member 3 to achieve the clamping and release of the rod.

[0040] A guide block 13 is fixedly disposed on the upper surface of the bottom plate 11, and the guide block 13 extends in the first direction. A fifth guide groove 45 is provided on the side wall of the sliding block 42 close to the guide block 13, and the fifth guide groove 45 extends in the first direction, and both ends of the fifth guide groove 45 are open. The side of the guide block 13 close to the support block 12 is located in the fifth guide groove 45, and the sliding block 42 and the guide block 13 are slidably matched, which increases the stability of the sliding block 42 sliding in the first direction.

[0041] Reference Figure 2 , a first guide column 7 and a second guide column 8 are provided on the sliding seat 4, and the length directions of the first guide column 7 and the second guide column 8 are extended along the second direction. A first guide groove 52 is provided on the linkage member 5, and the first guide groove 52 extends along the first direction, and both ends of the first guide groove 52 are closed. The first guide column 7 and the second guide column 8 are both inserted into the first guide groove 52, and the length of the first guide groove 52 is greater than the distance from the first guide column 7 to the second guide column 8, and both ends of the first guide groove 52 are closed. Such a design ensures the stable sliding of the linkage member 5 on the sliding seat 4, reduces friction and wear during the sliding process, and prolongs the service life of the device. In this embodiment, the specific structure and installation method of the first guide column 7 and the second guide column 8 are exactly the same as those of the first driving part 21, and will not be repeated here.

[0042] The sliding seat 4 is provided with an adjustment mechanism 9, which includes an adjustment block 91, and an adjustment slot 92 is provided on the adjustment block 91. The length direction of the adjustment slot 92 is parallel to the direction of the axis line connecting the first guide column 7 and the second guide column 8. An adjustment bolt 95 is inserted into the adjustment slot 92, and the adjustment bolt 95 is threadedly matched with the sliding seat 4, and the first guide column 7 is fixed on the adjustment block 91.

[0043] The adjustment mechanism 9 further includes an adjustment screw 93, and the sliding seat 4 further includes a bearing block 43, and the bearing block 43 is fixed to the side wall of the sliding block 42. The adjustment screw 93 passes through the bearing block 43, and the adjustment screw 93 is threadedly matched with the bearing block 43, and the end of the adjustment screw 93 close to the adjustment block 91 is rotatably connected to the adjustment block 91. A knob 94 is fixedly provided at the end of the adjustment screw 93 away from the adjustment block 91. Through the cooperation of the adjustment screw 93 and the adjustment block 91, the positions of the first guide column 7 and the second guide column 8 can be quickly adjusted without disassembling the device to adapt to rods of different specifications.

[0044] Reference Figure 1 and Figure 2 The first clamping member 2 includes a rotating member 22, a sensing member 23 and an upper clamping block 24. The rotating member 22 is provided with a rotating hole 25. During use, the rotating member 22 is rotatably mounted on the bar feeder through the rotating hole 25 to achieve a rotatable connection between the rotating member 22 and the bar feeder. The first driving part 21 is disposed at one end of the rotating member 22, and the sensing member 23 and the upper clamping block 24 are both disposed at the other end of the rotating member 22, and the sensing member 23 is connected to the upper clamping block 24. In this embodiment, the specific sensing member 23 is a proximity switch. When material on the feeder passes through the clamping device normally, the sensing member 23 can detect the presence of the material.

[0045] Due to the approach or obstruction of the material, the proximity switch will trigger a signal, causing the sensor light connected to it to go out. An intuitive visual feedback can be provided to the operator, indicating that the clamping device is in working condition. If no material passes through the clamping device on the feeder, that is, the sensor 23 does not detect the approach of any object within a certain period of time, then the system can be set to trigger an alarm mechanism. This alarm may be implemented through sound, light or other forms of signals, with the purpose of promptly notifying the operator of possible material blockage, feeder failure or other problems that affect the production process.

[0046] A guide member 28 is fixedly provided on the rotating member 22, and a second guide groove 26 is provided on the upper clamping block 24. The guide member 28 passes through the second guide groove 26, and the upper clamping block 24 slides and cooperates with the guide member 28. The second guide groove 26 guides the guide member 28, thereby guiding the upper clamping block 24, thereby improving the installation efficiency and installation accuracy of the upper clamping block 24.

[0047] Reference Figure 2 and Figure 3At the same time, two third guide posts 32 are fixedly provided on the side of the second clamping member 3 close to the support block 12, and the specific component composition of each third guide post 32 is the same as that of the first clamping member 2. Two third guide grooves 15 are provided on the side of the support block 12 close to the second clamping block, and the two third guide grooves 15 extend in the vertical direction, and both ends of each third guide groove 15 are closed. One end of the two third guide posts 32 is respectively located in the two third guide grooves 15, and the two third guide posts 32 are respectively slidably matched with the two third guide grooves 15, thereby further increasing the stability of the second clamping member 3 sliding in the vertical direction.

[0048] Reference Figure 3 In this embodiment, the second clamping member 3 can be a lower clamping block, and a limiting groove 33 is provided at one end of the second clamping member 3 close to the first clamping member 2. Specifically, the limiting groove 33 is a V-shaped groove. The two side walls of the V-shaped groove effectively constrain the rod material to prevent the rod material from rolling during the clamping process, further improving the clamping stability and the safety of the operation.

[0049] Reference Figure 4 , a plurality of anti-skid portions 27 are provided at intervals at one end of the upper clamping block 24 close to the second clamping member 3, and the distance between two adjacent anti-skid portions 27 is equal. The specific anti-skid portion 27 can be a flange or a groove. The presence of the anti-skid portion 27 can also reduce the damage to the surface of the bar during the clamping process to a certain extent. Compared with direct hard contact, the design of the flange or groove can distribute the clamping force more evenly and avoid scratches or deformation caused by excessive local pressure. When the first clamping member 2 and the second clamping member 3 clamp the cylindrical bar, the anti-skid portion 27 increases the contact area and friction between the clamping surface and the bar, thereby effectively preventing the bar from slipping or loosening due to external forces (such as vibration, impact force, etc.) during the clamping process. This design ensures the stability of the clamping and improves work safety.

[0050] The implementation principle of this embodiment is as follows: through the precise control of the first driving member 6, the sliding seat 4 slides along the sliding groove 17 of the base 1, thereby driving the synchronous movement of the first clamping member 2 and the second clamping member 3. The linkage member 5 realizes the stable clamping of the first clamping member 2 through the cooperation of the first driving groove 51 and the first driving part 21. The second clamping member 3 realizes the coordinated clamping with the first clamping member 2 through the cooperation of the second driving part 31 and the second driving groove 44. Through the flexible adjustment of the adjustment mechanism 9, it can adapt to rods of different specifications and materials, thereby improving the versatility and flexibility of the device. The design of the anti-slip part 27 and the limit groove 33 ensures the stability and safety of the clamping, and improves the production efficiency and product quality.

[0051] The above are all preferred embodiments of the present application, and the protection scope of the present application is not limited thereto. Therefore, any equivalent changes made according to the structure, shape, and principle of the present application should be included in the protection scope of the present application.

Claims

1. A clamping device for a bar feeder, characterized in that: The invention comprises a base (1), a first clamping member (2), a second clamping member (3), a sliding seat (4), a linkage member (5) and a first driving member (6); the sliding seat (4) is slidably matched with the base (1), the first driving member (6) is arranged on the base (1), and the first driving member (6) is used to drive the sliding seat (4) to slide; the first clamping member (2) is used to cooperate with the feeder to realize the rotational installation of the first clamping member (2) relative to the feeder; the linkage member (5) is slidably matched with the sliding seat (4), and the linkage member (5) is provided with a first driving groove (51); a first clamping member (2) is provided with a first driving groove (52); a first driving groove (53) is provided on the first clamping member (2); a first driving groove (54) is provided on the first driving groove (55); a first driving groove (56) is provided on the first driving groove (56); a first driving groove (57) is provided on the first driving groove (57); a first driving groove (58) is provided on the first driving groove (58); a first driving groove (59) is provided on the first driving groove (59); a first driving groove (51) is provided on the first driving groove (56); a first driving groove (52) is provided on the first driving groove (56); a first driving groove (57) is provided on the first driving groove (57); a first driving groove (58) is provided on the first driving groove (58); a first driving groove (59) is provided on the first driving groove (56); a first driving groove (58) is provided on the first driving groove (56 ...9) is provided on the first driving groove (56); a first driving groove (59) is provided on the first driving A first driving portion (21) is provided at the end thereof, the first driving portion (21) is inserted into the first driving groove (51), and the first driving portion (21) is slidably matched with the first driving groove (51); the second clamping member (3) is slidably matched with the base (1); the second clamping member (3) is slidably matched with the base (1), the second clamping member (3) is provided with a second driving portion (31), the sliding seat (4) is provided with a second driving groove (44), the second driving portion (31) is inserted into the second driving groove (44), and the second driving portion (31) is slidably matched with the second driving groove (44).

2. The clamping device of a bar feeder according to claim 1, characterized in that: The sliding seat (4) is provided with a first guide column (7) and a second guide column (8), the linkage member (5) is provided with a first guide groove (52), the first guide column (7) and the second guide column (8) are both inserted into the first guide groove (52), the length of the first guide groove (52) is greater than the distance from the first guide column (7) to the guide column, and both ends of the first guide groove (52) are closed.

3. The clamping device of the bar feeder according to claim 2, characterized in that: The sliding seat (4) is provided with an adjustment mechanism (9), the adjustment mechanism (9) comprising an adjustment block (91), the adjustment block (91) being provided with an adjustment slot (92), the length direction of the adjustment slot (92) being parallel to the direction of the axis line connecting the first guide column (7) and the second guide column (8); an adjustment bolt (95) is inserted into the adjustment slot (92), the adjustment bolt (95) is threadedly matched with the sliding seat (4), and the first guide column (7) is fixed to the adjustment block (91).

4. The clamping device of the bar feeder according to claim 3 is characterized in that: The linkage member (5) is located between the base (1) and the adjustment block (91); one side of the linkage member (5) is connected to the base (1), and the other side of the linkage member (5) is abutted against the adjustment block (91).

5. The clamping device of the bar feeder according to claim 3, characterized in that: The adjusting mechanism (9) further comprises an adjusting screw (93), wherein the adjusting screw (93) passes through the sliding seat (4), and one end of the adjusting screw (93) is rotatably connected to the adjusting block (91).

6. The clamping device of a bar feeder according to claim 3, characterized in that: The first clamping member (2) comprises a rotating member (22), a sensing member (23) and an upper clamping block (24); the rotating member (22) is used for being rotatably connected to the feeder; the first driving part (21) is arranged at one end of the rotating member (22); the sensing member (23) and the upper clamping block (24) are both arranged at the other end of the rotating member (22); and the sensing member (23) is connected to the upper clamping block (24).

7. The clamping device of the bar feeder according to claim 6, characterized in that: A guide member (28) is fixedly arranged on the rotating member (22), a second guide groove (26) is opened on the upper clamping block (24), and the guide member (28) passes through the second guide groove (26) and is slidably matched with the second guide groove (26).

8. The clamping device of a bar feeder according to claim 1, characterized in that: A third guide column (32) is fixedly arranged on the second clamping member (3), a third guide groove (15) is opened on the base (1), the third guide groove (15) extends in the vertical direction, the third guide column (32) is inserted into the third guide groove (15), and the third guide column (32) is slidably matched with the third guide groove (15).

9. The clamping device of a bar feeder according to claim 1, characterized in that: An anti-slip portion (27) is provided at one end of the first clamping member (2) close to the second clamping member (3).

10. The clamping device of a bar feeder according to claim 1, characterized in that: A limiting groove (33) is formed at one end of the second clamping member (3) close to the first clamping member (2).

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