Umbrella middle rod broaching machine

Abstract

The invention relates to the technical field of broaching devices, in particular to an umbrella middle rod broaching machine. Comprising a rack, a moving plate, a cutting plate and a cutting opening, wherein the moving plate is transversely arranged on the upper end face of the rack in a sliding mode and used for moving left and right on the rack when driven by external force; the cutting plate is arranged on the upper end face of the rack and located on one side of the moving plate; the cutting plate is provided with a cutting opening, the broaching blade is arranged on the cutting plate and located in the cutting opening, the clamping device is arranged on the upper end face of the moving plate and used for clamping and fixing the end of the umbrella middle rod, and the moving device is arranged between the rack and the moving plate and used for driving the moving plate to transversely move on the rack.

Description

Technical Field

[0001] The invention relates to the technical field of broaching machines, and in particular to a broaching machine for an umbrella middle rod. Background Art

[0002] An umbrella is a tool for shading from the sun or protecting against rain and snow. It is usually made of oil paper, oilcloth or plastic cloth. An umbrella is mainly composed of an umbrella handle, a middle stick, an umbrella rib and an umbrella cover. The middle stick is one of the main supporting structures of the umbrella. It is located between the umbrella handle and the umbrella rib and plays a role of connection and support. The main function of the middle stick is to support the umbrella frame and ensure the stability and durability of the umbrella.

[0003] The manufacturing process of the umbrella rod is to extrude the metal sheet through a tube press, and gradually form the sheet metal material into a round tube through the movement of the pressing wheel and the metal sheet on the tube press. Burrs are prone to appear on the surface of the umbrella rod after extrusion by the tube press. At this time, the burrs on the surface of the umbrella rod need to be removed manually with a handheld tool. In this process, not only the position of the burrs needs to be manually observed, but also the burrs need to be gradually removed manually according to the position of the burrs, which makes it difficult to improve the production efficiency of the umbrella rod. Summary of the invention

[0004] The object of the present invention is to provide an umbrella middle rod broaching machine in view of the defects and shortcomings of the prior art.

[0005] To achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an umbrella middle rod tube extraction machine, comprising a frame, a movable plate which can be slidably arranged on the upper end surface of the frame and is used to move left and right on the frame when driven by an external force, a cutting plate arranged on the upper end surface of the frame and located on one side of the movable plate, a cutting opening which penetrates through the cutting plate, a broaching blade arranged on the cutting plate and located in the cutting opening, a clamping device arranged on the upper end surface of the movable plate and used to clamp and fix the end of the umbrella middle rod, and a movable device arranged between the frame and the movable plate and used to drive the movable plate to move horizontally on the frame; The clamping device includes a clamping block arranged on the upper end surface of the movable plate, a conical opening opened on the clamping block, a fixed clamping block fixedly arranged on the clamping block and located in the conical opening, a sliding clamping block slidably arranged on the clamping block and located in the conical opening and symmetrically arranged with the fixed clamping block, meshing tooth surfaces respectively arranged on the fixed clamping block and the sliding clamping block, and a control mechanism arranged between the upper end surface of the movable plate and the sliding clamping block for driving the sliding clamping block to tilt and move in the conical opening.

[0006] A further improvement is that the control mechanism includes a fixed plate arranged on the upper end surface of the movable plate and located on the left side of the clamping block, a telescopic device whose fixed end is arranged on the left end surface of the fixed plate and whose output end passes through the fixed plate and is located on the left side of the sliding clamping block, a fixed side block arranged on the side end surface of the fixed plate, a return spring with one end fixed on the fixed side block and the other end connected to the left end surface of the sliding clamping block, a control push plate is arranged at the output end of the telescopic device, and the return spring is used to pull the left end surface of the sliding clamping block to abut against the right end surface of the control push plate.

[0007] A further improvement is that the telescopic device is a telescopic cylinder or a motor push rod.

[0008] The further improvement is that the moving device includes a receiving opening opened on the frame, two rotating sprockets rotatably arranged on the frame and located in the receiving openings, a chain meshingly connected to the two rotating sprockets, a driving motor with a fixed end arranged on the frame and an output end connected to one of the rotating sprockets for driving one of the rotating sprockets to rotate to drive the chain to move, a fixed block arranged on the upper end surface of the moving plate, a rotating clamping rod with one end rotatably arranged on the fixed block and the other end located on the left side of the moving plate, an embedded clamping rod arranged at the lower left end of the rotating clamping rod, a linkage mechanism arranged between the upper end of the moving plate and the rotating clamping rod for driving one end of the rotating clamping rod to swing upward or downward around the fixed block so that the embedded clamping rod and the chain are engaged or disengaged, and a pulling mechanism arranged between the right end of the moving plate and the frame for pulling the moving plate to move rightward on the frame after the embedded clamping rod and the chain are disengaged.

[0009] A further improvement is that the linkage mechanism includes a linkage rod with its lower end arranged on the upper end of the rotating clamping rod, a telescopic mechanism with its fixed end arranged on the movable plate and its output end hingedly connected to the right end of the linkage rod, and the telescopic mechanism is a telescopic cylinder or a motor push rod.

[0010] A further improvement is that the pulling mechanism includes an extension block arranged at the right end of the frame, a pulling turntable rotatably arranged on the extension block, a DC motor with a fixed end arranged on the extension block and an output end connected to the pulling turntable, and a pulling rope with one end fixedly arranged on the right end surface of the movable plate and the other end wound around the pulling turntable.

[0011] A further improvement is that a collecting bucket is also provided at the front end of the frame, a first inclined panel is provided at the right end face of the clamping block, a second inclined panel is provided at the left end face of the cutting plate, the first inclined panel is arranged parallel to the second inclined panel, and the inclination angles of the first inclined panel and the second inclined panel are the same.

[0012] Further improvements are: an auxiliary plate is fixedly arranged in the conical opening on the clamping block, the auxiliary plate is located between the sliding clamping block and the fixed clamping block, a sliding sleeve is arranged on the right end face of the auxiliary plate, a sliding rod is slidably arranged in the sliding sleeve, a compression spring is arranged between the left end of the sliding rod and the sliding sleeve, and a contact plate is arranged on the right end face of the sliding rod.

[0013] After adopting the above technical scheme, the beneficial effect of the present invention is as follows: when it is necessary to remove burrs from the umbrella rod extruded by the tube pressing machine, the end of the umbrella rod is squeezed or knocked to reduce its diameter so that it can pass through the cutting opening, and the umbrella rod is manually supported so that its end passes through the cutting opening, and the sliding clamp is driven by the control mechanism to tilt and move in the tapered opening, so that the sliding clamp and the fixed clamp clamp the end of the umbrella rod, and then the moving plate is driven by the moving device to move away from the end of the cutting plate on the frame, thereby driving the clamped umbrella rod to move laterally, and at this time, the burrs on the surface of the umbrella rod are removed by the broaching blade, and there is no need to manually observe the position of the burrs and gradually remove them manually according to the position of the burrs, which can improve the production efficiency of the umbrella rod.

[0014] Further effect: after the sliding clamp block and the fixed clamp block clamp the end of the middle rod, and the middle rod is broached by the broaching blade, the tail of the middle rod detaches from the cutting opening and rests on the second inclined panel. After the sliding clamp block and the fixed clamp block no longer clamp the end of the middle rod, the middle rod can be manually pulled to disengage its end from between the sliding clamp block and the fixed clamp block, so that the end is overlapped on the first inclined panel. At this time, the middle rod slides toward the collecting bucket due to the slope of the first inclined panel and the second inclined panel, and the broached middle rod is collected by the collecting bucket.

[0015] Further effect: when the end of the middle rod enters the conical opening, the left end of the end contacts the contact plate, and as the end is pushed in, the sliding rod moves to the left in the sliding sleeve, and the compression spring is gradually compressed and elastically deformed until the sliding clamp block and the fixed clamp block clamp the end of the middle rod; when the sliding clamp block and the fixed clamp block release the clamping fixation of the end of the middle rod, the compression spring releases its elastic potential energy in the sliding sleeve, thereby pushing the sliding rod to the right to move in the sliding sleeve, and pushing the end of the middle rod to the right from the conical opening through the contact plate, so that the end of the middle rod falls on the first inclined plate, which can form automatic blanking of the middle rod after broaching, and there is no need to manually pull the middle rod out of the conical opening. BRIEF DESCRIPTION OF THE DRAWINGS

[0016] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required for use in the embodiments or the description of the prior art will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying creative labor.

[0017] Figure 1 It is a top view cutaway view of the cutting plate and the clamping block in the present invention; Figure 2 It is a front view cutaway view of the frame in the present invention; Figure 3 It corresponds to Figure 2 Another state diagram of ; Figure 4 It corresponds to Figure 1 A magnified view of part A; Figure 5 It corresponds to Figure 3 A magnified view of part B; Figure 6 It is a top view of a cutting plate and a clamping block of the second embodiment of the present invention; Figure 7 It is a left-side cutaway view of the collecting bucket and the second inclined plate of the second embodiment of the present invention; Figure 8 It is a right side cutaway view of the collecting bucket and the first inclined plate of the second embodiment of the present invention; Fig. 9 is a top view of a sectional view of a clamping seat in Embodiment 2 of the present invention; Fig.10 It corresponds to Fig. 9 Enlarged view of part C.

[0018] Explanation of the reference numerals: frame 1, movable plate 2, cutting plate 3, cutting opening 4, broaching blade 5, clamping block 6, tapered opening 7, fixed clamping block 8, sliding clamping block 9, meshing tooth surface 10, fixed plate 11, telescopic device 12, fixed side block 13, return spring 14, control push plate 15, accommodating opening 16, rotating sprocket 17, chain 18, driving motor 19, fixed block 20, rotating clamping rod 21, embedded clamping rod 22, linkage rod 23, telescopic mechanism 24, extension block 25, pulling turntable 26, DC motor 27, pulling rope 28, collecting bucket 29, first inclined plate 30, second inclined plate 31, sliding sleeve 32, sliding rod 33, compression spring 34, contact plate 35. DETAILED DESCRIPTION

[0019] The present invention will now be further described with reference to the accompanying drawings and specific embodiments. Example

[0020] See also Figures 1 to 5As shown, the technical solution adopted in this specific embodiment is: an umbrella middle rod tube extraction machine, comprising a frame 1, a movable plate 2 which can be slidably arranged on the upper end surface of the frame 1 and is used to move left and right on the frame 1 when driven by an external force, a cutting plate 3 arranged on the upper end surface of the frame 1 and located on one side of the movable plate 2, a cutting opening 4 which is opened through the cutting plate 3, a broaching blade 5 arranged on the cutting plate 3 and located in the cutting opening 4, a clamping device arranged on the upper end surface of the movable plate 2 for clamping and fixing the end of the umbrella middle rod, and a movable device arranged between the frame 1 and the movable plate 2 for driving the movable plate 2 to move horizontally on the frame 1; The clamping device includes a clamping block 6 arranged on the upper end surface of the moving plate 2, a conical opening 7 opened on the clamping block 6, a fixed clamping block 8 fixedly arranged on the clamping block 6 and located in the conical opening 7, a sliding clamping block 9 slidably arranged on the clamping block 6 and located in the conical opening 7 and symmetrically arranged with the fixed clamping block 8, meshing tooth surfaces 10 respectively arranged on the fixed clamping block 8 and the sliding clamping block 9, and a control mechanism arranged between the upper end surface of the moving plate 2 and the sliding clamping block 9 for driving the sliding clamping block 9 to move obliquely in the conical opening 7. The upper end surface of the frame 1 is provided with guide rail protrusions protruding upwards on both the front and rear sides, and the lower end surface of the moving plate 2 is provided with slide rail grooves for gap matching with the guide rail protrusions on both the front and rear sides. The moving plate 2 moves laterally on the upper end surface of the frame 1 through the matching of the slide rail grooves and the guide rail protrusions, and the lateral movement of the moving plate 2 can be guided. The rear end surface of the sliding clamping block 9 is attached to the conical opening 7 for tilting movement. After being extruded by a tube pressing machine, the end of the umbrella rod is deformed by hammering or machine, so that the diameter of the end is reduced to facilitate passing through the cutting opening 4, and then the end is clamped by a fixed clamp block 8 and a sliding clamp block 9.

[0021] The control mechanism includes a fixed plate 11 arranged on the upper end surface of the movable plate 2 and located on the left side of the clamping block 6, a telescopic device 12 whose fixed end is arranged on the left end surface of the fixed plate 11 and whose output end passes through the fixed plate 11 and is located on the left side of the sliding clamp 9, a fixed side block 13 arranged on the side end surface of the fixed plate 11, and a return spring 14 whose one end is fixed on the fixed side block 13 and the other end is connected to the left end surface of the sliding clamp 9. A control push plate 15 is arranged at the output end of the telescopic device 12, and the return spring 14 is used to pull the left end surface of the sliding clamp 9 to abut against the right end surface of the control push plate 15. The right end face of the control push plate 15 abuts against the left end face of the sliding clamp block 9, and the abutting part is located at the lower side of the left end face of the sliding clamp block 9. The other end of the pull-back spring 14 is connected to the upper side of the left end face of the sliding clamp block 9. The fixed side block 13 and the left end of the sliding clamp block 9 are inclined at an angle, so that the installed pull-back spring 14 is in an inclined state. The pull-back spring 14 is a tension spring. When the output end of the telescopic device 12 drives the control push plate 15 to extend, the control push plate 15 pushes on the lower side of the left end of the sliding clamp block 9, so that the sliding clamp block 9 moves to the right and sticks to the tapered opening 7, and the pull-back spring 14 pulls the upper left end of the sliding clamp block 9. Through the cooperation between the two, the sliding clamp block 9 is kept on the tapered opening 7 as much as possible to make an inclined movement, which can prevent the sliding clamp block 9 from slipping off the tapered opening 7. The fixed side block 13 is arranged on the front side of the fixed plate 11.

[0022] The telescopic device 12 is a telescopic cylinder or a motor push rod.

[0023] The moving device includes a receiving opening 16 opened on the frame 1, two rotating sprockets 17 rotatably arranged on the frame 1 and located in the receiving opening 16, a chain 18 meshingly connected to the two rotating sprockets 17, a driving motor 19 with a fixed end arranged on the frame 1 and an output end connected to one of the rotating sprockets 17 for driving one of the rotating sprockets 17 to rotate so as to drive the chain 18 to move, a fixing block 20 arranged on the upper end surface of the moving plate 2, and a fixing block 20 with one end rotatably arranged on the fixing block 20 and the other end connected to the fixing block 20. The rotating card rod 21 with one end located on the left side of the moving plate 2, the embedded card rod 22 arranged at the lower left end of the rotating card rod 21, the linkage mechanism arranged between the upper end of the moving plate 2 and the rotating card rod 21 for driving one end of the rotating card rod 21 to swing upward or downward around the fixed block 20 so that the embedded card rod 22 and the chain 18 are matched or disengaged, and the pulling mechanism arranged between the right end of the moving plate 2 and the frame 1 is used to pull the moving plate 2 to move rightward on the frame 1 after the embedded card rod 22 is disengaged from the chain 18. The driving motor 19 is a rotating motor. The accommodating opening 16 is opened downward from the upper end surface of the frame 1. The width of the embedded card rod 22 is the width that can enter the gap of the chain 18.

[0024] The linkage mechanism includes a linkage rod 23 whose lower end is arranged on the upper end of the rotating clamp rod 21, and a telescopic mechanism 24 whose fixed end is arranged on the moving plate 2 and whose output end is hingedly connected to the right end of the linkage rod 23. The telescopic mechanism 24 is a telescopic cylinder or a motor push rod. A travel switch is arranged between the frame 1 and the moving plate 2, and the extension of the telescopic cylinder is directly controlled through the control panel. When the output end of the telescopic mechanism 24 is extended to make the embedded clamp rod 22 cooperate with the chain 18, the moving plate 2 moves to the left on the frame 1 to a predetermined position. At this time, the travel switches on the moving plate 2 and the frame 1 are activated, and the output end of the telescopic mechanism 24 is retracted, so that the position of the moving plate 2 is positioned on the frame 1. For the predetermined position of the moving plate 2 on the frame 1, the travel distance of the travel switch is set according to the overall length of the umbrella rod. The travel switch is a prior art and will not be described here. When the output end of the telescopic mechanism 24 is pushed to the left, the linkage rod 23 drives one end of the rotating clamp rod 21 to swing downward around the fixed block 20 until the embedded clamp rod 22 is inserted into the gap in the chain 18 (the gap where the chain 18 meshes with the sprocket), and the movement of the chain 18 drives the moving plate 2 to move to the left on the frame 1 through the embedded clamp rod 22. The fixed end of the telescopic mechanism 24 is installed on the upper end surface of the moving plate 2 through another U-shaped fixed plate, and is located above the fixed plate 11. The lower end of the U-shaped fixed plate is located at the front and rear sides of the telescopic device 12, or is directly arranged on the fixed plate 11 and located above the telescopic device 12.

[0025] The pulling mechanism includes an extension block 25 arranged at the right end of the frame 1, a pulling turntable 26 rotatably arranged on the extension block 25, a DC motor 27 whose fixed end is arranged on the extension block 25 and whose output end is connected to the pulling turntable 26, and a pulling rope 28 whose one end is fixedly arranged on the right end surface of the moving plate 2 and whose other end is wound around the pulling turntable 26. The DC motor 27 is electrically connected to the control panel, and the rotation of the DC motor 27 is controlled by the control panel. When the embedded clamping rod 22 is out of the clearance fit with the chain 18, the pulling turntable 26 is controlled to rotate forwardly by the DC motor 27, and at this time, the other end of the pulling rope 28 is gradually wound around the pulling turntable 26, thereby pulling the moving plate 2 to move rightward on the frame 1; and when the chain 18 drives the moving plate 2 to move leftward, the pulling turntable 26 is rotated in the opposite direction by the pulling force, thereby gradually unwinding the pulling rope 28 wound around the pulling turntable 26. The DC motor 27 can change the rotation direction arbitrarily according to the work needs, so it can rotate clockwise or counterclockwise. A convex block can be set on the front side of the movable plate 2, and the position of the convex block is parallel to the pull turntable 26, so that the pull rope 28 can be in a horizontal position, or it can be set without the convex block without affecting normal use.

[0026] The working principle of the present invention is as follows: when it is necessary to remove burrs from the umbrella rod formed by the tube pressing machine, the end of the umbrella rod after forming is squeezed or knocked to reduce its diameter so that it can pass through the cutting opening 4, and the end of the umbrella rod is manually supported to pass through the cutting opening 4, and the sliding clamp block 9 is pushed out by the telescopic device 12 to move rightward on the tapered opening 7 until the sliding clamp block 9 and the fixed clamp block 8 clamp and fix the end of the umbrella rod, and then the output end of the telescopic mechanism 24 is pushed out to the left, and the linkage rod 23 drives one end of the rotating clamp rod 21 to rotate around the fixed block 20. It swings downward until the embedded card rod 22 is inserted into the gap in the chain 18 (the gap where the chain 18 meshes with the sprocket). At this time, the movement of the chain 18 drives the movable plate 2 to move left on the frame 1 through the embedded card rod 22. The movable plate 2 moves left on the frame 1 to a predetermined position. At this time, the travel switches on the movable plate 2 and the frame 1 are started to retract the output end of the telescopic cylinder. During the movement of the movable plate 2, the broaching blade 5 removes the burrs on the surface of the umbrella rod. There is no need to manually observe the position of the burrs and gradually remove them manually according to the position of the burrs, which can improve the production efficiency of the umbrella rod. Example

[0027] See also Figures 6 to 10 As shown, in this embodiment, on the basis of the first embodiment, a collecting bucket 29 is further provided at the front end of the frame 1, a first inclined panel 30 is provided at the right end face of the clamping block 6, and a second inclined panel 31 is provided at the left end face of the cutting plate 3. The first inclined panel 30 and the second inclined panel 31 are arranged in parallel, and the first inclined panel 30 and the second inclined panel 31 have the same inclination angle. In the process of the movable plate 2 moving laterally on the frame 1, the first inclined panel 30 moves following the position of the clamping block 6, and can guide and collect the middle rod after broaching without affecting the lateral movement of the movable plate 2. The overall width of the first inclined panel 30 and the second inclined panel 31 is slightly less than the protruding length of the end of the middle rod. The collecting bucket 29 is installed on the front end face of the frame 1 by bolts, and the size of the collecting bucket 29 is designed and installed according to the length of the middle rod.

[0028] A sliding sleeve 32 is fixedly arranged in the conical opening 7 on the clamping block 6. The sliding sleeve 32 is located between the sliding clamping block 9 and the fixed clamping block 8. A sliding rod 33 is slidably arranged in the sliding sleeve 32. A compression spring 34 is arranged between the left end of the sliding rod 33 and the sliding sleeve 32. A contact plate 35 is arranged on the right end surface of the sliding rod 33. An extension plate is arranged in the sliding sleeve 32 at the left end of the sliding rod 33. The diameter of the extension plate is larger than the diameter of the sliding rod 33 and smaller than the inner diameter of the sliding sleeve 32. The diameter of the right end opening of the sliding sleeve 32 is smaller than the diameter of the extension plate and larger than the outer diameter of the sliding rod 33. The lower end of the sliding sleeve 32 can be mounted on the clamping block 6 through a support block.

[0029] Working principle of the second embodiment: When the end of the middle rod enters the tapered opening 7, the left end of the end contacts the contact plate 35. As the end is pushed in, the sliding rod 33 moves to the left in the sliding sleeve 32, and the compression spring 34 is gradually compressed to produce elastic deformation until the sliding clamp block 9 and the fixed clamp block 8 clamp the end of the middle rod; when the sliding clamp block 9 and the fixed clamp block 8 clamp the end of the middle rod, and the middle rod is broached by the broaching blade 5, the tail of the middle rod is detached from the cutting opening 4 and rests on the second inclined plate. 31, when the sliding clamp block 9 and the fixed clamp block 8 release the clamping fixation of the end of the centering rod, the compression spring 34 releases its elastic potential energy in the sliding sleeve 32, thereby pushing the sliding rod 33 to the right to move in the sliding sleeve 32, and pushing the end of the center rod to the right from the conical opening 7 through the contact plate 35, so that the end of the center rod falls on the first inclined plate 30, and at this time, the center rod slides toward the collecting bucket 29 due to the slope of the first inclined plate 30 and the second inclined plate 31, and the center rod after broaching is collected by the collecting bucket 29.

[0030] The invention is intended to protect the structure of the product. The model of each component is not the content of the invention, and it is also a known technology. Any component on the market that can achieve the above-mentioned functions of the invention can be selected and applied as a kind of umbrella rod broaching machine. Therefore, the model and other parameters of the component are not described in detail in the invention. The contribution of the invention lies in the scientific combination of various components.

[0031] The above shows and describes the basic principles and main features and advantages of the present invention. Those skilled in the art should understand that the present invention is not limited to the above embodiments. The above embodiments and descriptions are only for explaining the principles of the present invention. Without departing from the spirit and scope of the present invention, the present invention may have various changes and improvements, which fall within the scope of the present invention to be protected. The scope of protection of the present invention is defined by the attached claims and their equivalents. Anything not described in detail in the present invention is a well-known technology of those skilled in the art.

Claims

1. An umbrella rod broaching machine, characterized in that: The utility model comprises a frame, a movable plate which can be slidably arranged on the upper end surface of the frame and is used to move left and right on the frame when driven by an external force, a cutting plate which is arranged on the upper end surface of the frame and is located on one side of the movable plate, a cutting opening which penetrates through the cutting plate, a broaching blade arranged on the cutting plate and located in the cutting opening, a clamping device arranged on the upper end surface of the movable plate and used to clamp and fix the end of the umbrella rod, and a movable device arranged between the frame and the movable plate and used to drive the movable plate to move horizontally on the frame; The clamping device includes a clamping block arranged on the upper end surface of the movable plate, a conical opening opened on the clamping block, a fixed clamping block fixedly arranged on the clamping block and located in the conical opening, a sliding clamping block slidably arranged on the clamping block and located in the conical opening and symmetrically arranged with the fixed clamping block, meshing tooth surfaces respectively arranged on the fixed clamping block and the sliding clamping block, and a control mechanism arranged between the upper end surface of the movable plate and the sliding clamping block for driving the sliding clamping block to tilt and move in the conical opening.

2. The umbrella middle rod broaching machine according to claim 1, characterized in that: The control mechanism includes a fixed plate arranged on the upper end surface of the movable plate and located on the left side of the clamping block, a telescopic device whose fixed end is arranged on the left end surface of the fixed plate and whose output end passes through the fixed plate and is located on the left side of the sliding clamping block, a fixed side block arranged on the side end surface of the fixed plate, a return spring with one end fixed on the fixed side block and the other end connected to the left end surface of the sliding clamping block, a control push plate is arranged at the output end of the telescopic device, and the return spring is used to pull the left end surface of the sliding clamping block to abut against the right end surface of the control push plate.

3. The umbrella middle rod broaching machine according to claim 2, characterized in that: The telescopic device is a telescopic cylinder or a motor push rod.

4. The umbrella middle rod broaching machine according to claim 1, characterized in that: The moving device includes a receiving opening opened on the frame, two rotating sprockets rotatably arranged on the frame and located in the receiving openings, a chain meshed with the two rotating sprockets, a driving motor with a fixed end arranged on the frame and an output end connected to one of the rotating sprockets for driving one of the rotating sprockets to rotate so as to drive the chain to move, a fixed block arranged on the upper end surface of the moving plate, a rotating clamping rod with one end rotatably arranged on the fixed block and the other end located on the left side of the moving plate, an embedded clamping rod arranged at the lower left end of the rotating clamping rod, a linkage mechanism arranged between the upper end of the moving plate and the rotating clamping rod for driving one end of the rotating clamping rod to swing upward or downward around the fixed block so that the embedded clamping rod and the chain are engaged or disengaged, and a pulling mechanism arranged between the right end of the moving plate and the frame for pulling the moving plate to move rightward on the frame after the embedded clamping rod and the chain are disengaged.

5. The umbrella middle rod broaching machine according to claim 4, characterized in that: The linkage mechanism comprises a linkage rod with its lower end arranged on the upper end of the rotating clamp rod, a telescopic mechanism with its fixed end arranged on the movable plate and its output end hingedly connected to the right end of the linkage rod, and the telescopic mechanism is a telescopic cylinder or a motor push rod.

6. The umbrella middle rod broaching machine according to claim 4, characterized in that: The pulling mechanism includes an extension block arranged at the right end of the frame, a pulling turntable rotatably arranged on the extension block, a DC motor with a fixed end arranged on the extension block and an output end connected to the pulling turntable, and a pulling rope with one end fixedly arranged on the right end surface of the movable plate and the other end wound around the pulling turntable.

7. The umbrella middle rod broaching machine according to claim 1, characterized in that: A collecting bucket is also provided at the front end of the frame, a first inclined panel is provided at the right end face of the clamping block, a second inclined panel is provided at the left end face of the cutting plate, the first inclined panel is arranged parallel to the second inclined panel, and the first inclined panel and the second inclined panel have the same inclination angle.

8. The umbrella middle rod broaching machine according to claim 7, characterized in that: An auxiliary plate is fixedly arranged in the conical opening on the clamping block, and the auxiliary plate is located between the sliding clamping block and the fixed clamping block. A sliding sleeve is arranged on the right end face of the auxiliary plate, and a sliding rod is slidably arranged in the sliding sleeve. A compression spring is arranged between the left end of the sliding rod and the sliding sleeve, and a contact plate is arranged on the right end face of the sliding rod.

Images